Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).
2021-7-23 · Rock bolts. Since its introduction 30 years ago the Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry. This unique rock bolt consists of a welded tube folded in upon itself, sealed at one end. It is re-expanded using a high pressure water flow provided by a special pump and adapter.
Get Price2021-5-20 · Rock bolting systems are used to stabilize excavated rock mass in underground mines and tunnelling. Rock bolts are systematically arranged to transfer the load from the unstable surface or exterior of the rock, to the much stronger interior part of the rock. The rock mass can be reinforced by different types of rock bolts. Epiroc offers the ...
Get Price1 天前 · Rock bolting systems are used to stabilize excavated rock mass in underground mines and tunnelling. Rock bolts are systematically arranged to transfer the load from the unstable surface or exterior of the rock, to the much stronger interior part of the rock. The rock mass can be reinforced by different types of rock bolts. Epiroc offers the following Swellex expandable rock bolting systems:
Get Price2 天前 · Swellex Spartan SP24, L= 3, 4 & 6m. Results Benefits. The efficiency, speed, economic approach using the Swellex Spartan series of rock bolts resulted in a high degree of customer satisfaction. Epiroc operated under the trademark “Atlas Copco” prior to January 1, 2018.
Get Price2021-7-4 · The efficiency, speed, economic approach using the Swellex Spartan series of rock bolts resulted in a high degree of customer satisfaction. Epiroc operated under the trademark “Atlas Copco” prior to January 1, 2018.
Get Price2021-7-21 · Optional tele-remote operation is available, as well as single bolt auto installation with self-drilling anchor bolts in combination with pumpable resin. Epiroc will be exhibiting several products from its tools range including the COP 57P, a versatile DTH hammer range.
Get Price2021-5-28 · Epiroc Canada. 1025 Tristar Drive, Mississauga, Ontario L5T 1W5. Phone: 1.289.562.0100 [email protected]
Get Price2021-6-30 · 自 30 年前推出以来，Swellex 可膨胀锚杆支护系统已在采矿和隧道开挖行业受到广泛的赞誉。. 该独特的岩石锚杆由可自身折叠的焊管组成，并且一端密封。. 借助由专用泵和转接头提供的高压水流，它可以再次膨胀。. 锚杆在掘进壁中的钻孔内膨胀。. 安装过程 ...
Get Price2021-7-21 · Epiroc’s MINExpo 2021 line-up is set to include a variety of innovative and productive offerings including its latest Pit Viper blasthole drill rig, its recently launched Boomer underground drill, new rock bolters and a host of aftermarket products geared to mine electrification.. Making its MINExpo debut in Las Vegas, September 13-15, will be the Epiroc Pit Viper 291 (pictured above).
Get Price2019-8-7 · One of the more difficult rock reinforcement tasks in underground mining and tunnelling operations is how to install long-term rock bolts in poor rock conditions. As a result of this, rock bolting is often the bottleneck within the drill and blast cycle, leading to difficulties to predict work task scheduling.
Get Price2021-7-21 · Epiroc’s MINExpo 2021 line-up is set to include a variety of innovative and productive offerings including its latest Pit Viper blasthole drill rig, its recently launched Boomer underground drill, new rock bolters and a host of aftermarket products geared to mine electrification.. Making its MINExpo debut in Las Vegas, September 13-15, will be the Epiroc Pit Viper 291 (pictured above).
Get PriceA ROCK BOLT AND METHOD OF INSTALLING A ROCK BOLT: WO2013152393A1: 2013-10-17: ROCK BOLT RESIN MIXER: ... There is economic motive to using as small a rock bolt as possible. ... Both types of bolts were installed in steel tubes with an internal …
Get Price2018-12-18 · Rock-bolts are one of the most common methods of rock reinforcement. Rock bolts are increasingly installed by fully mechanized rock-bolting equipment. Commonly used bolting methods are rebar bolts with resin cartridges or cement as grout. These methods are compared with the newly developed ‘High Performance’ method from Epiroc. The ‘High
Get Price2021-7-22 · About Epiroc. Epiroc is a vital part of a sustainable society and a global productivity partner for mining and infrastructure customers. With ground-breaking technology, Epiroc develops and provides innovative and safe equipment, such as drill rigs, rock excavation and construction equipment and tools for surface and underground applications.
Get PriceR38 Rock Bolts. R38 rock bolts eliminate the requirement for a cased borehole. The system provides advantages for all areas of its applications, where boreholes would require the time consuming drilling with casing systems in unconsolidated or cohesive soil. As an efficient anchoring method, the rock bolts is also widely applied to pre-support ...
Get PriceThe COP MD20 rock drill - proven in field. Optional zero-emission battery electric driveline. Optional safe bolting platforms. No need for operator to stand under unsupported rock when loading bolts. New compact BMHTC telescopic feed which gives better visibility, easier maneouvering and less maintenance and repairs. Increased coverage area for
Get PriceThe primary bolting method i s . a ring o f 1.2-m long bolts an d the secondary bolting is a ring of 2.4-m (a) (b) Natural arch . Failure zone . Layer 4 . ... yield rock bolts.
Get PriceRock bolts play a crucial role in reinforcement support systems for tunnels and rock slopes. In this study documented herein, guided ultrasonic waves are used to evaluate the integrity of rock bolts.
Get Price3. Method according to claim 1, wherein the method comprises the step: d) to place a rock bolt adapted for rock reinforcement in said rock hole. 4. Method according to claim 3, wherein said first component and said second component are injected through said rock bolt. 5. Method according to claim 3, wherein said rock bolt is a self-drilling bolt.
Get Price2018-5-30 · FIGS. 4 to 7 sequentially illustrate a second aspect of the invention being a method of grouting a rock hole with a rock bolt using the bung 10 of the first aspect of the invention. In the method, a rock bolt 34 is provided which includes an elongate body 36 which extends between a distal end 38 and a proximal end 40.
Get Price2019-11-27 · Epiroc is a project coordinator for SIMS, and the company worked with Minova to make the system available to its mining customers in August this year. In its press release, Epiroc said the system is particularly beneficial for installing long-term rock bolts …
Get PriceProtects the rock drill from drilling with full impact in case of a void or soft rock condition. Straighter holes and better consumables economy is a fact when using this option. Less downtime, less damage and less repairs. Breakthrough automatic stop The rig will automatically stop in case of a breakthrough to another drift.
Get PriceFIGS. 7A to 7E are a series of diagrammatic illustrations consecutively showing the steps in a second method of manufacturing the rock bolt of FIG. 3; and. FIG. 8 is a graph of results of deflection tests done on the rock bolts of FIG. 1 and FIG. 3 and a rock bolt of the state of the art. DESCRIPTION OF PREFERRED EMBODIMENT
Get Price2017-11-14 · rock drilling tools for the mining and construction drilling industry. ... method Square drive flange method. 4 Pin connection torque limiter Coated rubber element Cap screws Lift ring Hex head bolts Complete assembly Outer housing ... body using an interference heat-shrink fit that
Get Price2017-6-1 · In squeezing rock, the methodology of rockbolting in Australian mines is to reinforce the failure zone of the rock using tightly spaced ductile rockbolts “Split sets” or point-anchored resin bolts of 2.4–3 m in length. The bolt-reinforced zone is then nailed to the competent strata behind the failure zone with cables (see Fig. 7). The ...
Get Price• These bolts are available in a range of sizes from 2.1 m, 2.4 m and 3.0 m. Designed and developed in Australia for underground hard rock mines. The D47 Mechanical Dynamic Extra (MDX Bolt) has unparalleled “extra expansion” for extremely effective anchorage using the unique wedge design that is able to expand up to 60 mm.
Get Price2020-8-25 · Cut-and-fill and stull stoping are intended for moderately competent rock, whereas square-set stoping is suitable for the least competent rock. Supported methods have declined in use since World War II, primarily because cut-and-fill stoping is the only method that lends itself to mechanization. Stull stoping and square-set stoping are
Get Price3. Method according to claim 1, wherein the method comprises the step: d) to place a rock bolt adapted for rock reinforcement in said rock hole. 4. Method according to claim 3, wherein said first component and said second component are injected through said rock bolt. 5. Method according to claim 3, wherein said rock bolt is a self-drilling bolt.
Get Price2018-5-30 · FIGS. 4 to 7 sequentially illustrate a second aspect of the invention being a method of grouting a rock hole with a rock bolt using the bung 10 of the first aspect of the invention. In the method, a rock bolt 34 is provided which includes an elongate body 36 which extends between a distal end 38 and a proximal end 40.
Get Price2018-5-7 · A rock anchor assembly includes: a resiliently radially deformable tubular member longitudinally extending between leading and trailing ends and which has an arrestor formation integral with, or engaged to, a trailing end part of the member; an elongate element longitudinally extending through the member between first and second ends and which attaches to the tubular …
Get Price2016-10-20 · Swellex rock bolts General information Swellex Pm12 Minimum breaking load 110 kN Minimum yielding load 90 kN Minimum elongation 10% Expansion pressure 300 bar For further information, see also technical data page 7. Minimum elongation 'A': According to EN-ISO 6892-1 where applicable. Swellex Pm12 rock bolts Size Length (m) Weight (kg) Product ...
Get Price2017-11-14 · rock drilling tools for the mining and construction drilling industry. ... method Square drive flange method. 4 Pin connection torque limiter Coated rubber element Cap screws Lift ring Hex head bolts Complete assembly Outer housing ... body using an interference heat-shrink fit that
Get Price2017-6-1 · In squeezing rock, the methodology of rockbolting in Australian mines is to reinforce the failure zone of the rock using tightly spaced ductile rockbolts “Split sets” or point-anchored resin bolts of 2.4–3 m in length. The bolt-reinforced zone is then nailed to the competent strata behind the failure zone with cables (see Fig. 7). The ...
Get Price2021-7-20 · Epiroc will exhibit a variety of innovative offerings at MINExpo International 2021, September 13 to 15 in Las Vegas, Nevada.. Pit Viper 291. Epiroc's Pit Viper 291 makes its debut at MINExpo 2021. The rig is designed to tackle larger diameter drilling in soft to medium ground conditions in both rotary and DTH drilling.
Get Price2020-8-25 · Cut-and-fill and stull stoping are intended for moderately competent rock, whereas square-set stoping is suitable for the least competent rock. Supported methods have declined in use since World War II, primarily because cut-and-fill stoping is the only method that lends itself to mechanization. Stull stoping and square-set stoping are
Get Price3. Method according to claim 1, wherein the method comprises the step: d) to place a rock bolt adapted for rock reinforcement in said rock hole. 4. Method according to claim 3, wherein said first component and said second component are injected through said rock bolt. 5. Method according to claim 3, wherein said rock bolt is a self-drilling bolt.
Get Price2018-5-7 · A rock anchor assembly includes: a resiliently radially deformable tubular member longitudinally extending between leading and trailing ends and which has an arrestor formation integral with, or engaged to, a trailing end part of the member; an elongate element longitudinally extending through the member between first and second ends and which attaches to the tubular …
Get Price• These bolts are available in a range of sizes from 2.1 m, 2.4 m and 3.0 m. Designed and developed in Australia for underground hard rock mines. The D47 Mechanical Dynamic Extra (MDX Bolt) has unparalleled “extra expansion” for extremely effective anchorage using the unique wedge design that is able to expand up to 60 mm.
Get Price2018-9-21 · installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.
Get Price2020-2-24 · Rock drill lubrication warning kit Lubrication air filtration system Hole blowing kit Big hole drilling system *May require a larger electrical motor Boom BUT 29 HD BUT S Automatic lubrication for positioning unit Air/Water system Hydraulically driven compressor Epiroc LE 10 Hydraulically driven screw compressor Epiroc GAR 30*
Get Price2018-10-25 · Rock bolts have been widely used as an essential component of tunnel support, and many studies have been conducted on the performance of rock bolts in strengthening the jointed rock mass. However, there is a lack of understanding on the interface behaviour between the rock bolt and the bond material, especially the crack initiation and ...
Get PriceSwellex rock bolts. Since its introduction in the 1980's, the Swellex inflatable rock bolt system has gained world wide recognition in mining and tunnelling works. A Swellex bolt is made out of a welded tube folded on itself and sealed at one extremity. The simplicity of the system can explain its excellent performance.
Get Price