CN109236364B - Portable filling exploitation tamping simulator - Google Patents
Portable filling exploitation tamping simulator Download PDFInfo
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- CN109236364B CN109236364B CN201811227513.0A CN201811227513A CN109236364B CN 109236364 B CN109236364 B CN 109236364B CN 201811227513 A CN201811227513 A CN 201811227513A CN 109236364 B CN109236364 B CN 109236364B
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- jack
- box body
- tamping
- filling
- threaded rod
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- 238000004088 simulation Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000005065 mining Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000005429 filling process Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
- E21F15/10—Hydraulic or pneumatic filling-up machines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of coal gangue filling and mining, and particularly relates to a portable filling and mining tamping simulation device. The construction principle and experimental function of the device accord with the laboratory simulation experiment requirement of the tamping mechanism of the gangue filling support. The whole operation process of the device has high similarity with the actual filling and tamping process, the grasping of the material tamping rule in the actual filling process can be realized in a laboratory through a simulation experiment, a large amount of manpower, material resources, financial resources and time cost of an industrial test are saved, the uncertainty risk of the industrial test result is reduced, and the economic and applicable effects are obvious. The device is easy to carry, can change the design of relevant parameters, and meets the requirements of different occasions.
Description
Technical Field
The invention belongs to the technical field of coal gangue filling and mining, and particularly relates to a portable filling and mining tamping simulation device.
Background
In the coal gangue filling and mining process, a filling support is an indispensable device, and plays an important role in transportation, filling and tamping of the coal gangue. The tamping mechanism of the gangue filling support is used for carrying out filling and tamping of the gangue in the goaf, and is a remarkable characteristic different from other supports. After the gangue fills the goaf, the tamping mechanism is used for pushing and tamping the gangue, loose gangue density is increased on the basis of pushing and tamping and roof grafting, the compression resistance of the filled gangue is improved, the filled gangue can bear a certain roof sinking pressure, the roof sinking amount is reduced, and accordingly ground subsidence is effectively controlled, and the damage degree of ground buildings is reduced.
In the current gangue filling simulation experiment, the tamping thrust of the simulation device is insufficient, the tamping of the filling material is uneven, the compactness of the filling material is insufficient, the operation is not standard due to the crude experimental device, the actual field engineering and the deviation between a laboratory and a field result can not be simulated and truly reflected, and the laboratory is larger. At present, no person or organization invents and manufactures an experimental device or the like which is suitable for actual working conditions and has higher standardization and accuracy and simulates the tamping mechanism of the filling bracket.
Disclosure of Invention
In order to solve the technical problems in the prior art, the problems that the tamping thrust is insufficient, the tamping of the filling materials is uneven, the density of the filling materials is insufficient, the operation is not standard, the simulation and the actual reflection of the field engineering can not be realized, the deviation between a laboratory and a field result is large and the like due to the simple experimental device are solved. The invention provides a portable filling mining tamping simulation device, which mainly provides the pushing tamping and tamping actions on filling gangue in a goaf in the gangue filling simulation experiment process, so that the tamping effect on filling materials is improved, and the standardization of the experiment process and the accuracy of experiment results are improved.
A portable filling mining tamping simulation device mainly comprises a box body 1, a rotary handle 2, a rotary threaded rod 3, a separated hydraulic jack, an oil delivery hose 4, a spherical hinge joint 5, a hinge joint support 6 and a lateral limiting plate 7; the box 1 is formed by welding steel plates with the thickness of 1cm, and the top cover is fixedly connected by bolts, so that the top cover is convenient to detach, and the maintenance and the repair of objects in the box 1 are convenient. The convenient dismantlement is for making box 1 can provide sufficient holding power and not warp, and box 1 back plate welds the steel sheet of thickness 2cm, and whole box 1 surface spouts one deck blue lacquer. A round hole is reserved at the upper part of the box body 1, and a quick connector 8 on the oil delivery hose 4 is arranged in the box body. Two handles 9 are welded on two sides of the top cover of the box body 1, a hole is formed between the handles 9 and extends into a rotary threaded rod 3, a rotary handle 2 is welded on the upper portion of the rotary threaded rod 3, and the rotary threaded rod 3 can rotate. The other end of the rotary threaded rod 3 extends into the box body 1 and is suspended, a connecting rod 10 is arranged in the box body 1, one end of the connecting rod 10 is connected to the rotary threaded rod 3 by a nut, and the other end is sleeved with a screw on a clamping ring 12 in the middle of the jack body 11. The jack body 11 is transversely placed on the steel plate below the box body 1, the center of the front steel plate of the box body 1 is downwards provided with a rectangular hole, the height is 14cm, the width is 6.2cm, and the upper end of the jack is exposed out of the hole for 2cm. The lower side of the rear steel plate of the box body 1 is welded with a joint support 6, a spherical joint 5 is arranged on the joint support 6, and the spherical joint 5 can flexibly rotate. The spherical hinge joint 5 is connected with the body base 13, so that the jack body 11 can realize the up-and-down variable angle rotation of the jack body 11 under the drive of the rotary threaded rod 3. The lateral limiting plate 7 positioned on the clamping ring 12 can restrict the jack body 11 from moving left and right in the up-down angle-changing rotation process.
The length of the box body 1 is 40cm, the width is 20cm, the height is 31cm, the capacity of the hydraulic oil cylinder of the jack is 3.0L, the specification of the oil pump is 10T, the length of an oil conveying hose is 100cm, the length of the hydraulic oil pump body of the jack is 30cm, the outer diameter of the hydraulic oil pump body of the jack is 6cm, the diameter of the piston rod in the jack body is 4cm, the maximum stroke is 20cm, and the distance between the jack body and the bottom surface of the support is 1.3cm. The front end of the jack piston rod 14 is connected with the experimental metal baffle plate through a sleeve welded on the metal plate to simulate the tamping plate of the gangue filling support. The lifting angle of the jack is about 25 degrees from the horizontal to the maximum, and the front end of the jack body is lifted up to about 11cm.
The specific operation steps of the device are as follows: in an initial state, the jack body 11 is parallel to the bottom surface of the hinged joint support 6, then the rotary handle 2 is rotated according to the experimental requirement to enable the rotary threaded rod 3 to ascend, the front end of the jack body 11 is driven by the connecting rod 10 to ascend, the height of the front end of the jack body 11 from the bottom surface can be read out through an instrument in the lifting process, the corresponding angle is converted, and after the front end of the jack body 11 reaches the experimental requirement angle or lifting distance, the front end of the jack body 11 is fixed; then the external hydraulic oil cylinder is used for oiling and discharging oil, and the piston rod 14 in the jack body can extend and retract, so that the filling material is subjected to multi-angle pushing and tamping, and the compactness and the compression resistance of the filling material are improved; after the use, the rotary handle 2 is reversely rotated, the jack body slowly moves downwards and retracts, and finally the initial state is restored.
The beneficial effects are that: the problems that in gangue filling simulation experiments, tamping thrust is insufficient, filling materials are not evenly pushed and tamped, the density of the filling materials is insufficient, an experimental device is crude, operation is not standard, actual field engineering cannot be simulated and truly reflected, and deviation between a laboratory and a field result is large are solved. The invention mainly provides the pushing and tamping actions on the filling gangue in the goaf in the gangue filling simulation experiment process, thereby increasing the tamping effect on the filling material and improving the standardization of the experiment process and the accuracy of the experiment result.
The construction principle and experimental function of the device accord with the laboratory simulation experiment requirement of the tamping mechanism of the gangue filling support. The whole operation process of the device has high similarity with the actual filling and tamping process, the grasping of the material tamping rule in the actual filling process can be realized in a laboratory through a simulation experiment, a large amount of manpower, material resources, financial resources and time cost of an industrial test are saved, the uncertainty risk of the industrial test result is reduced, and the economic and applicable effects are obvious. The device is easy to carry, can change the design of relevant parameters, and meets the requirements of different occasions.
Drawings
FIG. 1 is a schematic diagram of a portable filling and mining tamping simulator according to the present invention
In the figure: the hydraulic jack comprises a box body 1, a rotary handle 2, a rotary threaded rod 3, an oil conveying hose 4, a spherical hinge joint 5, a hinge joint support 6, a lateral limiting plate 7, a quick connector 8, a handle 9, a connecting rod 10, a jack body 11, a clamping ring 12, a body base 13 and a piston rod 14.
Detailed Description
Fig. 1 shows a schematic structural diagram of a portable filling mining tamping simulation device of the invention, which mainly comprises a box body 1, a rotary handle 2, a rotary threaded rod 3, a separated hydraulic jack, an oil hose 4, a spherical hinge joint 5, a hinge joint support 6 and a lateral limiting plate 7; the box 1 is formed by welding steel plates with the thickness of 1cm, and the top cover is fixedly connected by bolts, so that the top cover is convenient to detach, and the maintenance and the repair of objects in the box 1 are convenient. The convenient dismantlement is for making box 1 can provide sufficient holding power and not warp, and box 1 back plate welds the steel sheet of thickness 2cm, and whole box 1 surface spouts one deck blue lacquer. A round hole is reserved at the upper part of the box body 1, and a quick connector 8 on the oil delivery hose 4 is arranged in the box body. Two handles 9 are welded on two sides of the top cover of the box body 1, a hole is formed between the handles 9 and extends into a rotary threaded rod 3, a rotary handle 2 is welded on the upper portion of the rotary threaded rod 3, and the rotary threaded rod 3 can rotate. The other end of the rotary threaded rod 3 extends into the box body 1 and is suspended, a connecting rod 10 is arranged in the box body 1, one end of the connecting rod 10 is connected to the rotary threaded rod 3 by a nut, and the other end is sleeved with a screw on a clamping ring 12 in the middle of the jack body 11. The jack body 11 is transversely placed on the steel plate below the box body 1, the center of the front steel plate of the box body 1 is downwards provided with a rectangular hole, the height is 14cm, the width is 6.2cm, and the upper end of the jack is exposed out of the hole for 2cm. The lower side of the rear steel plate of the box body 1 is welded with a joint support 6, a spherical joint 5 is arranged on the joint support 6, and the spherical joint 5 can flexibly rotate. The spherical hinge joint 5 is connected with the body base 13, so that the jack body 11 can realize the up-and-down variable angle rotation of the jack body 11 under the drive of the rotary threaded rod 3. The lateral limiting plate 7 positioned on the clamping ring 12 can restrict the jack body 11 from moving left and right in the up-down angle-changing rotation process.
The length of the box body 1 is 40cm, the width is 20cm, the height is 31cm, the capacity of the hydraulic oil cylinder of the jack is 3.0L, the specification of the oil pump is 10T, the length of an oil conveying hose is 100cm, the length of the hydraulic oil pump body of the jack is 30cm, the outer diameter of the hydraulic oil pump body of the jack is 6cm, the diameter of the piston rod in the jack body is 4cm, the maximum stroke is 20cm, and the distance between the jack body and the bottom surface of the support is 1.3cm. The front end of the jack piston rod 14 is connected with the experimental metal baffle plate through a sleeve welded on the metal plate to simulate the tamping plate of the gangue filling support. The lifting angle of the jack is about 25 degrees from the horizontal to the maximum, and the front end of the jack body is lifted up to about 11cm.
The specific operation steps of the device are as follows: in an initial state, the jack body 11 is parallel to the bottom surface of the hinged joint support 6, then the rotary handle 2 is rotated according to the experimental requirement to enable the rotary threaded rod 3 to ascend, the front end of the jack body 11 is driven by the connecting rod 10 to ascend, the height of the front end of the jack body 11 from the bottom surface can be read out through an instrument in the lifting process, the corresponding angle is converted, and after the front end of the jack body 11 reaches the experimental requirement angle or lifting distance, the front end of the jack body 11 is fixed; then the external hydraulic oil cylinder is used for oiling and discharging oil, and the piston rod 14 in the jack body can extend and retract, so that the filling material is subjected to multi-angle pushing and tamping, and the compactness and the compression resistance of the filling material are improved; after the use, the rotary handle 2 is reversely rotated, the jack body slowly moves downwards and retracts, and finally the initial state is restored.
The device solves the problems that in gangue filling simulation experiments, tamping thrust is insufficient, filling materials are not evenly pushed, the density of the filling materials is insufficient, an experimental device is crude, operation is not standard, on-site engineering reality cannot be simulated and truly reflected, and deviation between a laboratory and on-site results is large. The invention mainly provides the pushing and tamping actions on the filling gangue in the goaf in the gangue filling simulation experiment process, thereby increasing the tamping effect on the filling material and improving the standardization of the experiment process and the accuracy of the experiment result.
The construction principle and experimental function of the device accord with the laboratory simulation experiment requirement of the tamping mechanism of the gangue filling support. The whole operation process of the device has high similarity with the actual filling and tamping process, the grasping of the material tamping rule in the actual filling process can be realized in a laboratory through a simulation experiment, a large amount of manpower, material resources, financial resources and time cost of an industrial test are saved, the uncertainty risk of the industrial test result is reduced, and the economic and applicable effects are obvious. The device is easy to carry, can change the design of relevant parameters, and meets the requirements of different occasions.
Claims (2)
1. The portable filling mining tamping simulation device is characterized by mainly comprising a box body (1), a rotating handle (2), a rotating threaded rod (3), a separating hydraulic jack, an oil conveying hose (4), a spherical hinge joint (5), a hinge joint support (6) and a lateral limiting plate (7); the box body (1) is formed by welding steel plates with the thickness of 1cm, the top cover is fixedly connected by bolts, and the top cover is convenient to detach, so that objects in the box body (1) are convenient to maintain and repair, and the top cover is convenient to detach; in order to ensure that the box body (1) can provide enough supporting force without deformation, a steel plate with the thickness of 2cm is welded on the back plate of the box body (1), and a layer of blue paint is sprayed on the outer surface of the whole box body (1); a round hole is reserved at the upper part of the box body (1), and a quick connector (8) on the oil delivery hose (4) is arranged in the box body; two handles (9) are welded on two sides of the top cover of the box body (1), a hole is drilled between the handles (9) and extends into a rotary threaded rod (3), a rotary handle (2) is welded on the upper part of the rotary threaded rod (3), and the rotary threaded rod (3) can be rotated; the other end of the rotary threaded rod (3) extends into the box body (1) and is suspended, a connecting rod (10) is arranged in the box body (1), one end of the connecting rod (10) is connected to the rotary threaded rod (3) by a screw cap, and the other end is sleeved on a screw on a clamping ring (12) in the middle of the jack body (11); a jack body (11) is transversely arranged on a steel plate below the box body (1), a rectangular hole is formed in the downward direction of the center of the front steel plate of the box body (1), the height is 14cm, the width is 6.2cm, and the upper end of the jack is exposed out of the hole for 2cm; the lower side of the rear steel plate of the box body (1) is welded with a joint support (6), a spherical joint (5) is arranged on the joint support (6), and the spherical joint (5) can flexibly rotate; the spherical hinge joint (5) is connected with the body base (13), so that the jack body (11) can be driven by the rotary threaded rod (3) to realize the up-down variable angle rotation of the jack body (11); the lateral limiting plate (7) positioned on the clamping ring (12) can restrict the jack body (11) from moving left and right in the vertical angle-changing rotation process.
2. The portable filling mining tamping simulation device according to claim 1, wherein the length of the box body (1) is 40cm, the width is 20cm, the height is 31cm, the capacity of a hydraulic oil cylinder of the jack is 3.0L, the specification of an oil pump is 10T, the length of an oil delivery hose is 100cm, the length of a hydraulic oil pump body of the jack is 30cm, the outer diameter is 6cm, the diameter of a piston rod in the jack body is 4cm, the maximum stroke is 20cm, and the distance between the jack body and the bottom surface of a support is 1.3cm; the front end of a jack piston rod (14) is connected with a metal baffle for experiments through a sleeve welded on the metal plate to simulate a tamping plate of the gangue filling support; the lifting angle of the jack is 25 degrees from the horizontal to the maximum, and the front end of the jack body is lifted up by 11cm to the maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227513.0A CN109236364B (en) | 2018-10-22 | 2018-10-22 | Portable filling exploitation tamping simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227513.0A CN109236364B (en) | 2018-10-22 | 2018-10-22 | Portable filling exploitation tamping simulator |
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| Publication Number | Publication Date |
|---|---|
| CN109236364A CN109236364A (en) | 2019-01-18 |
| CN109236364B true CN109236364B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811227513.0A Active CN109236364B (en) | 2018-10-22 | 2018-10-22 | Portable filling exploitation tamping simulator |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013585A (en) * | 2007-06-29 | 2009-01-22 | Shimizu Corp | Removal shield |
| CN201460939U (en) * | 2009-07-31 | 2010-05-12 | 郑州四维机电设备制造有限公司 | Filling and timbering hydraulic support with a tamping mechanism |
| CN102168580A (en) * | 2010-02-25 | 2011-08-31 | 郑州四维机电设备制造有限公司 | Gangue tamping mechanism used for hydraulic support |
| CN102562150A (en) * | 2010-12-09 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Tamping mechanism for gangue filling hydraulic support |
| CN202745932U (en) * | 2012-07-04 | 2013-02-20 | 山东能源机械集团有限公司 | Gangue-smashing device for gangue-filling hydraulic pressure support |
| CN204113344U (en) * | 2014-07-09 | 2015-01-21 | 新汶矿业集团有限责任公司翟镇煤矿 | Coal mine waste rock filling ramming mechanism |
| CN205025484U (en) * | 2015-08-28 | 2016-02-10 | 冀中能源股份有限公司邢东矿 | Electrohydraulic control waste filling mines hydraulic support |
| CN205025497U (en) * | 2015-09-11 | 2016-02-10 | 中国矿业大学 | Big pivot angle rammer compactor of waste rock constructs |
-
2018
- 2018-10-22 CN CN201811227513.0A patent/CN109236364B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013585A (en) * | 2007-06-29 | 2009-01-22 | Shimizu Corp | Removal shield |
| CN201460939U (en) * | 2009-07-31 | 2010-05-12 | 郑州四维机电设备制造有限公司 | Filling and timbering hydraulic support with a tamping mechanism |
| CN102168580A (en) * | 2010-02-25 | 2011-08-31 | 郑州四维机电设备制造有限公司 | Gangue tamping mechanism used for hydraulic support |
| CN102562150A (en) * | 2010-12-09 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Tamping mechanism for gangue filling hydraulic support |
| CN202745932U (en) * | 2012-07-04 | 2013-02-20 | 山东能源机械集团有限公司 | Gangue-smashing device for gangue-filling hydraulic pressure support |
| CN204113344U (en) * | 2014-07-09 | 2015-01-21 | 新汶矿业集团有限责任公司翟镇煤矿 | Coal mine waste rock filling ramming mechanism |
| CN205025484U (en) * | 2015-08-28 | 2016-02-10 | 冀中能源股份有限公司邢东矿 | Electrohydraulic control waste filling mines hydraulic support |
| CN205025497U (en) * | 2015-09-11 | 2016-02-10 | 中国矿业大学 | Big pivot angle rammer compactor of waste rock constructs |
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| CN109236364A (en) | 2019-01-18 |
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