CN110486032B - Self-propelled scraper loader with adjustable transverse raking range - Google Patents
Self-propelled scraper loader with adjustable transverse raking range Download PDFInfo
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- CN110486032B CN110486032B CN201910826407.2A CN201910826407A CN110486032B CN 110486032 B CN110486032 B CN 110486032B CN 201910826407 A CN201910826407 A CN 201910826407A CN 110486032 B CN110486032 B CN 110486032B
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- hydraulic cylinder
- collecting roller
- slag collecting
- raking
- cross beam
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- 239000011435 rock Substances 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 12
- 230000003137 locomotive effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 abstract description 9
- 238000005422 blasting Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a self-advancing rake bucket loader with an adjustable transverse rake loading range, which is applied to the tunneling of a roadway and the efficient rake loading work of ore rocks. The scraper bucket tail wheel is fixed on the slide box, the slide box contains a hydraulic motor, the gear of the hydraulic motor is meshed with the teeth on the cross beam, and the slide box can drive the tail wheel to move on the cross beam with the teeth in the roadway section. When the tail wheel works, the hydraulic cylinder is erected to prop the solid top plate, and the loading locomotive drives the scraper bucket to operate to realize the raking work of ore rocks; when the tail wheel moves forwards, the hydraulic cylinder on the frame releases pressure, the left slag collecting roller rotates clockwise, the right slag collecting roller rotates anticlockwise, the top pier column is cut to prop the solid top plate, the piston rod of the pushing jack extends out, and the whole support device is pushed to move forwards; after the support moves to the designated position, the hydraulic cylinder is erected to push the solid top plate, the topping pier stud is released in pressure, the piston rod of the propelling hydraulic cylinder retracts, and the topping pier stud is driven to move forwards.
Description
Technical Field
The invention relates to the technical field of underground mine tunneling working surface ore rock loading equipment, in particular to an adjustable self-propelled rake loader with a transverse rake range.
Background
In the tunnel excavation engineering, blasting caving ore or waste rock often needs to be loaded into a mine car to be transported to the ground, and the scraper bucket type loader is the main loading equipment used in the coal mine excavation in China at present.
When the traditional rake bucket type loader carries out raking and transporting ore rocks, a fixed wedge needs to be installed in a special drilling blast hole or a residual blast hole after blasting, and then a tail wheel is installed on the fixed wedge, so that raking and loading work of ore or waste rocks is completed.
Traditional drag bucket loader is accomplishing the raking work time, and the problem that exists is:
1. when the blasting, piling and raking operation of the tunneling working face is carried out, blast holes need to be drilled in the top plate rock at the front end of the tunneling working face for installing the fixed wedges and the tail wheels, the raking range is narrow, the width of the raking bucket is only the range from the raking winch to the tail wheel in the linear direction, when the raking operation of ore rocks outside the range is carried out, the tail wheels need to be drilled and fixed again in the top plate rock at the front end of the raking range, and when the tunneling roadway is wide in width, the drilling and fixing operation is frequent, the labor intensity of workers is high, and the loading working efficiency is low.
2. The raking bucket does not completely rake the blasting piles on the driving face, and a certain amount of ore rocks always remain on the two sides of the roadway close to the two sides of the roadway, so that manual cleaning is needed after raking, and the labor intensity of workers is high.
Disclosure of Invention
The invention provides a self-advancing scraper loader with adjustable transverse scraping range, aiming at the defects and problems of the traditional scraper loader in engineering application. The support device replaces the original fixed wedge, and the tail wheel is arranged on a cross beam of the support device and can freely move and be fixed along the direction of the cross beam, so that the raking range of the raking bucket in the transverse direction of the section of the roadway is enlarged; with the tunneling of the tunnel, the propelling device is driven by a hydraulic system to propel the support device along the tunneling direction of the tunnel, and the tail wheel moves along with the support device towards the tunneling direction of the tunnel; in the propelling process, the material gathering shovels which are positioned at the bottom of the support device and close to the two sides of the roadway and the slag gathering roller which is positioned on the stand column gather the residual ore rocks at the two sides of the roadway to the center of the roadway without manual secondary cleaning, so that the raking loading efficiency is improved, and the labor intensity of workers is reduced.
The technical scheme adopted by the invention is as follows: a self-propelled scraper loader with adjustable transverse scraping range comprises a support device, a propelling device and a loading device.
The bottom of the bracket device consists of two material gathering shovels, the upper parts of the material gathering shovels are vertical columns, the sections of the vertical columns are square, and a slag collecting roller is arranged in the propelling direction of a roadway; the upper part of the square upright post is hinged with the square cross beam, and the upper part of the square upright post is fixed with a hydraulic cylinder by screws and used for jacking a solid top plate to ensure that the whole bracket is not easy to topple when raking; the cross beam is provided with a sliding box, the upper surface of the cross beam comprises teeth, the teeth on the cross beam are meshed with a hydraulic motor gear in the sliding box, and the sliding box moves on the cross beam under the transmission of the hydraulic motor; the tail wheel is fixed on the sliding box by a pin at the lower part of the sliding box, so that the tail wheel can move and be fixed in the section of the roadway along with the movement of the sliding box on the cross beam.
The pushing device consists of two pushing jacks and two topping piers, a piston rod of each pushing jack is hinged to the material gathering shovel of the support device, and the bottom of each pushing jack is hinged to the bottom of the topping pier; releasing pressure by using a hydraulic cylinder on the support, pushing a piston rod of the jack to extend out, and pushing the support device to move forwards; the top of the secondary piston cylinder of the top cutting pier column contains a height-adjusting screw to adapt to fluctuation change of a roadway top plate, and the height of a supporting top plate of the top cutting pier column is matched with that of a supporting top plate of an on-frame hydraulic cylinder.
The front end of the scraper bucket is connected with the main rope, the rear end of the scraper bucket is connected with the tail rope, and the scraper bucket runs back and forth under the matching of the main rope and the tail rope to complete the raking work of the ore rocks.
The loading locomotive runs on the track, and a height-adjusting hydraulic cylinder is arranged on the loading locomotive and used for changing the angle of the middle groove so as to adapt to the change of the roadway bottom plate; the loading locomotive is internally provided with a motor, a winch and an operating mechanism, and a main rope and a tail rope drag the scraper bucket through a guide wheel and a head wheel under the driving of the winch, so that the scraper bucket runs back and forth to realize the raking work. The raked ore rocks are unloaded into the mine car through the unloading groove and conveyed to the ground by the mine car.
The scraper loader comprises the following use methods:
firstly, a piston rod of an on-frame hydraulic cylinder extends out of a top solid top plate to prevent a support part from toppling when a rake bucket runs, and a sliding box and a tail wheel run to a specified rake mounting position on a cross beam;
secondly, a winch of the loading locomotive pulls a tail rope to contract, after the scraper bucket is lifted to a certain height, the winch instantly releases tension, and the scraper bucket is embedded into the blasting caving ore rock under the action of self weight; then the winch pulls the main rope to contract, and the scraper bucket transports the ore rock to the mine car through the dustpan opening, the middle groove and the unloading groove under the action of the main rope;
after the raking of the ore rocks in the section of the roadway is finished, the piston rod of the hydraulic cylinder on the frame retracts, the piston rod of the top cutting pier column extends out of the top solid top plate, the left vertical column slag collecting roller rotates clockwise, the right vertical column slag collecting roller rotates anticlockwise, the piston rod of the hydraulic cylinder is pushed out, and the whole support is pushed to move forwards; when the support moves to the designated position, the piston rod of the hydraulic cylinder on the support extends out of the top solid top plate again, the piston rod of the top cutting pier column retracts, the piston rod of the pushing hydraulic cylinder retracts, and under the action of the support, the front movement of the top cutting pier column is pulled. The operation is repeated in such a circulating way, the raking work of the ore rocks is completed, the raking range of the raking bucket on the section of the roadway is adjustable, and the self-feeding of the loader can be realized.
The invention has the beneficial effects that:
1. compared with the traditional scraper loader, the invention does not need special drilling holes to install the fixed wedges and the tail wheels, and the tail wheels can realize self-moving under the coordination of the bracket, the pushing hydraulic cylinder and the top-cutting pier stud along with the tunneling of the roadway, thereby improving the labor efficiency.
2. The tail wheel can move left and right in the section of the roadway to a certain degree under the action of the sliding box and the cross beam, so that the adjustment of the raking range in the section of the roadway is realized.
3. Under the action of the material gathering shovel and the muck collecting roller of the bracket part, the ore rocks at two sides of the roadway can be gathered to the raking bucket raking area, so that the raking bucket raking is more thorough, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is an overall view of a rake loader;
FIG. 2 is an overall view of the holder and the pusher shoe;
FIG. 3 is a side view of the carriage and pusher shoe;
fig. 4 is a top view of the holder and the pusher shoe.
In the figure 1, a hydraulic cylinder is arranged on a frame; 2-cutting the top pier stud; 3-tail rope; 4, a main rope; 5-heightening the hydraulic cylinder; 6, a motor; 7, a winch; 8, unloading the tank; 9-head pulley; 10-a mine car; 11-a guide wheel; 12-an operating mechanism; 13-an intermediate tank; 14-a guard plate; 15-dustpan opening; 16-a scraper bucket; 17-a propelling jack; 18-tail wheel; 19-material gathering shovel; 20-upright column; 21-a slide box; 22-a cross beam; 23-a ballast collecting roller base; 24-slag collecting drum
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the support device consists of a slide box 21, an on-frame hydraulic cylinder 1, a tail wheel 18, a vertical column 20, a material gathering shovel 19, a cross beam 22, a slag collecting roller 24 and a slag collecting roller base 23. When the bracket part is pushed forwards, the slag collecting roller of the left upright post rotates clockwise, the slag collecting roller of the right upright post rotates anticlockwise, and the residual ore rocks on the two sides of the roadway can be gathered to the rakable area of the raker bucket under the matching of the arc-shaped surface of the material gathering shovel.
The section of the upright post 20 is square, the upright post is fixed on the upper part of the material gathering shovel, the upper end of the upright post is hinged with the cross beam 22, and the upper surface of the upright post adopts screws to fix the hydraulic cylinder 1 on the frame;
the upper surface of the cross beam 22 contains teeth which are meshed with gears of a hydraulic motor in the sliding box 21, so that the sliding box can move left and right in the section of a roadway, the operation range of the sliding box ensures that the scraper bucket does not interfere with a material gathering shovel when falling vertically, a tail wheel 18 is arranged below the sliding box, and the scraper bucket realizes the raking of ore rocks under the matching of a main rope 4 and a tail rope 3.
The pushing part consists of two pushing jacks 17 and two topping piers 2, the bottoms of the pushing jacks are connected to the topping piers, and piston rods of the pushing jacks are fixed on a material gathering shovel of the support through hinged joints and are used for pushing the support and pulling the topping piers to move forwards; the main body part of the top cutting pier column 2 is a two-stage hydraulic cylinder, a height-adjusting screw is arranged on a second-stage piston rod of the top cutting pier column, so that the top cutting pier column adapts to the fluctuation change of a roadway top plate, and the supporting height of the top cutting pier column is matched with the supporting height of the hydraulic cylinder on the frame.
The loader and the mine car are arranged on a track with the track gauge of 600mm, and the height and the inclination angle of the middle groove 13 of the loader can be adjusted by the heightening hydraulic cylinder 5, so that the loader can adapt to the fluctuation change of the roadway bottom plate.
The motor 6 drives the winch 7 to operate, the main rope 4 is contracted through the head pulley 9, the guide pulley 11 and the tail pulley 18, the tail rope 3 is extended, and the raking bucket conveys the raked ore rocks to the mine car 10 through the dustpan opening 15, the middle groove 13 and the unloading groove 8.
Finishing the raking of the ore rocks, comprising the following steps:
the method comprises the following steps: the hydraulic cylinder 1 on the frame is pushed to the solid top plate, and the sliding box 21 and the tail wheel 18 are slid by the cross beam 22 and fixed at the designated position.
Step two: the engine 6 drives the winch 7 to operate, the main rope 4 is contracted through the head pulley 9, the guide pulley 11 and the tail pulley 18, the tail rope 3 is extended out, and the raking bucket unloads the raked ore rocks to the mine car 10 through the dustpan opening 15, the middle groove 13 and the unloading groove 8.
Step three: after the raking of the ore rocks on a certain section of the roadway is finished, the hydraulic cylinder 1 on the frame retracts, the top cutting pier column 2 pushes the solid top plate, the left slag collecting roller 24 rotates clockwise, the right slag collecting roller rotates anticlockwise, the piston rod of the pushing jack 17 extends out, and the support is pushed to move forwards; after the support moves to the designated position, the hydraulic cylinder on the support extends out of the top solid top plate, the top cutting pier stud piston rod retracts, the piston rod of the pushing jack retracts, and the top cutting pier stud is pulled to move forwards.
Step four: and repeating the three steps to realize the efficient raking and loading of the coal or the gangue in the roadway.
Claims (6)
1. A self-propelled scraper loader with adjustable transverse raking range comprises three parts, namely a bracket device, a propelling device and a loading device, and is characterized in that: the support device is arranged in the direction of the roadway driving surface; the support device comprises a sliding box (21), an on-frame hydraulic cylinder (1), a tail wheel (18), an upright post (20), a material gathering shovel (19), a cross beam (22), a slag collecting roller (24) and a slag collecting roller base (23), the propelling device comprises two propelling jacks (17) and two top cutting piers (2), and piston rods of the propelling jacks (17) of the propelling device are hinged with the material gathering shovel (19) of the support device; the loading device is a loading locomotive and is arranged at the rear part of the support and the pushing device, the front end of a scraper bucket (16) is connected with the main rope (4), the rear end of the scraper bucket is connected with the tail rope (3), and the scraper bucket runs back and forth under the matching of the main rope and the tail rope.
2. A self-propelled rake loader with adjustable lateral raking range as set forth in claim 1 wherein: the bottom of the support device comprises the sliding box (21), the hydraulic cylinder (1) on the support, the tail wheels (18), the upright posts (20), the material gathering shovels (19), the cross beam (22), the slag collecting roller (24) and the slag collecting roller base (23), the number of the material gathering shovels (19) is two, the upright posts (20) are arranged at the upper parts of the material gathering shovels (19), the slag collecting roller (24) is installed in the roadway propelling direction of the upright posts, a gap is reserved between the slag collecting roller (24) and the upright posts, and the lower ends of the slag collecting roller (24) are fixed on the material gathering shovels (19); the upper end of a slag collecting roller (24) is provided with a slag collecting roller base (23), the side surface of the slag collecting roller base (23) is fixed on an upright post (20), the upper part of the upright post (20) is hinged with a cross beam (22), the upper part of the upright post (20) is fixed on a hydraulic cylinder (1) by a screw fixing frame, a sliding box (21) is arranged on the cross beam (22), the upper surface of the cross beam (22) contains teeth, the teeth on the cross beam (22) are meshed with a hydraulic motor gear in the sliding box (21), and the sliding box moves on the cross beam under the transmission of a hydraulic motor; the tail wheel (18) is fixed on the sliding box (21) by a pin at the lower part of the sliding box (21), so that the tail wheel can move and be fixed in the section of the roadway along with the movement of the sliding box on the cross beam.
3. A self-propelled rake loader with adjustable lateral raking range as set forth in claim 1 wherein: the cross section of the upright post (20) is square, and the cross section of the cross beam (22) is square.
4. A self-propelled rake loader with adjustable lateral raking range as set forth in claim 1 wherein: the bottom of the propelling jack (17) is hinged with the bottom of the top cutting pier column, and the height of the supporting top plate of the top cutting pier column (2) is matched with that of the supporting top plate of the hydraulic cylinder on the frame.
5. A self-propelled rake loader with adjustable lateral raking range as set forth in claim 1 wherein: the loading locomotive is provided with a heightening hydraulic cylinder (5), the angle of the middle groove is changed by adjusting the height of the heightening hydraulic cylinder (5), and the loading locomotive is internally provided with an electric motor (6).
6. A method of raking a self-propelled rake loader having an adjustable lateral rake range as defined in claim 1, wherein: after the raking of the ore rocks in the section of the roadway is finished, the hydraulic cylinder (1) on the support of the support part releases pressure, the top pier column (2) is cut to prop a solid top plate, the left column slag collecting roller (24) rotates clockwise, the right column slag collecting roller rotates anticlockwise, a piston rod of a propelling jack (17) extends out, and the whole support part is pushed to automatically advance; the top of a secondary piston cylinder of the top cutting pier column (2) contains a height adjusting screw to adapt to fluctuation change of a roadway top plate, when a support part advances to a specified position, a hydraulic cylinder (1) is erected to prop the top plate, pressure of the top cutting pier column (2) is relieved, a slag collecting roller (24) stops rotating, a pushing jack (17) is pushed to contract, the top cutting pier column (2) is dragged to advance, and therefore circulation and reciprocation are achieved, and the raking range of the raking bucket loader can be adjusted and automatically advanced; when loading, a hydraulic cylinder is arranged on a bracket part to jack a solid top plate, a motor (6) of a loading device drives a winch (7) wound with a main rope (4) and a tail rope (3) to move, the tail rope (3) on the winch is contracted through a guide wheel (11), a head wheel (9) and a tail wheel (18) to enable a scraper bucket (16) to be suspended under the bracket, then the winch (7) releases tension instantly, the scraper bucket (16) is embedded into ore rocks by self weight, then the winch (7) rotates reversely to drive the main rope (4) to be contracted through the guide wheel (11) and the head wheel (9), and under the action of the main rope (4), the ore rocks raked by the scraper bucket are loaded into a mine car (10) through a dustpan opening (15), an intermediate groove (13) and an unloading groove (8) so as to finish the raking work of the ore rocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826407.2A CN110486032B (en) | 2019-09-03 | 2019-09-03 | Self-propelled scraper loader with adjustable transverse raking range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826407.2A CN110486032B (en) | 2019-09-03 | 2019-09-03 | Self-propelled scraper loader with adjustable transverse raking range |
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| Publication Number | Publication Date |
|---|---|
| CN110486032A CN110486032A (en) | 2019-11-22 |
| CN110486032B true CN110486032B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910826407.2A Active CN110486032B (en) | 2019-09-03 | 2019-09-03 | Self-propelled scraper loader with adjustable transverse raking range |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1049626A1 (en) * | 1980-06-11 | 1983-10-23 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Горнорудного Машиностроения | Scraper unit |
| EP0161405B1 (en) * | 1984-04-06 | 1988-05-18 | Gewerkschaft Eisenhütte Westfalia GmbH | Driving equipment, particularly for use in tube pushing operations |
| CN200985792Y (en) * | 2006-07-20 | 2007-12-05 | 李传淮 | Walking multifunctional scraper bucket loading grab |
| CN102587903A (en) * | 2012-02-24 | 2012-07-18 | 河南大有能源股份有限公司 | Comprehensive tunneling system for stone drift |
| CN103790585A (en) * | 2014-02-11 | 2014-05-14 | 张海林 | Full-hydraulic multifunctional scraping loader |
-
2019
- 2019-09-03 CN CN201910826407.2A patent/CN110486032B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1049626A1 (en) * | 1980-06-11 | 1983-10-23 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Горнорудного Машиностроения | Scraper unit |
| EP0161405B1 (en) * | 1984-04-06 | 1988-05-18 | Gewerkschaft Eisenhütte Westfalia GmbH | Driving equipment, particularly for use in tube pushing operations |
| CN200985792Y (en) * | 2006-07-20 | 2007-12-05 | 李传淮 | Walking multifunctional scraper bucket loading grab |
| CN102587903A (en) * | 2012-02-24 | 2012-07-18 | 河南大有能源股份有限公司 | Comprehensive tunneling system for stone drift |
| CN103790585A (en) * | 2014-02-11 | 2014-05-14 | 张海林 | Full-hydraulic multifunctional scraping loader |
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| Publication number | Publication date |
|---|---|
| CN110486032A (en) | 2019-11-22 |
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Effective date of registration: 20240506 Address after: No. 0911, No. 75 Xiandao South Road, Heping District, Shenyang City, Liaoning Province, 110000 Patentee after: Shenyang Sheng'an Technical Service Co.,Ltd. Country or region after: China Address before: 113000 No. 1, West Section of Dandong Road, Wanghua District, Fushun City, Liaoning Province Patentee before: Liaoming Petrochemical University Country or region before: China |