CN112209253A - Hoisting device for deep well underground mining - Google Patents
Hoisting device for deep well underground mining Download PDFInfo
- Publication number
- CN112209253A CN112209253A CN202011235691.5A CN202011235691A CN112209253A CN 112209253 A CN112209253 A CN 112209253A CN 202011235691 A CN202011235691 A CN 202011235691A CN 112209253 A CN112209253 A CN 112209253A
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- Prior art keywords
- pressure sensor
- support frame
- fixedly arranged
- fixing
- block
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- 238000005065 mining Methods 0.000 title claims abstract description 33
- 238000013016 damping Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a hoisting device for deep well underground mining, which comprises a support frame shell, wherein a servo motor is fixedly arranged in the support frame shell, a lead screw is fixedly arranged at the bottom of the servo motor, and the lead screw is fixedly arranged in the support frame shell, so that the hoisting function for deep well underground construction can be realized, meanwhile, the device can be used for monitoring an underground ore bed of a deep well and monitoring the earth surface through the position of a pressure sensor arranged in the device, whether settlement occurs or not can be monitored through the signal change of the pressure sensor, the depth and scale of the settlement can be estimated, the measurement precision is high, the safety of underground workers is protected, contact points with the ground are added on the support frame, the use stability is enhanced, the toppling phenomenon cannot occur, the use is convenient, and the toppling of the device can be effectively prevented, the protection device prevents damage, and simultaneously protects the safety of underground workers.
Description
Technical Field
The invention belongs to the field of mine underground mining, and particularly relates to a hoisting device for underground mining of a deep well.
Background
The underground mining of the mine is to dig a series of well tunnels from the ground to the underground, the whole production process is in underground operation, various operation equipment need to be transported to the underground tunnel for installation and use, in the coal mine production, the underground mining mode is the most important mode, so the research on the underground mining technology has very important practical significance, the application of the underground mining technology must be suitable for the conditions of coal mine geology and coal bed distribution, a mining scheme is made in advance, the application and the supporting mode of the equipment are determined, in the open-pit mining, a direct mining mode is generally adopted, but in the underground mining, because of the restrictions of the conditions of environment, equipment and the like, the mining mode from top to bottom is generally adopted, and with the continuous development of the mining technology, the directional mining mode is gradually and widely applied.
However, in underground mining, due to the restriction of conditions such as environment and equipment, a mining mode from top to bottom is usually adopted, directional mining is not limited to mining in a certain link, and from the whole, coal mining is carried out on a position corrected in advance by adopting a directional drilling means.
The invention content is as follows:
the invention aims to solve the problems and provide a hoisting device for underground mining of a deep well, which solves the problems in the background art.
In order to solve the above problems, the present invention provides a technical solution: a hoisting device for deep well underground mining comprises a support frame shell, wherein the inside of the support frame shell is fixedly provided with a servo motor, the bottom of the servo motor is fixedly provided with a screw rod, the screw rod is fixedly arranged inside the support frame shell, the outside of the screw rod is sleeved with a first pressure sensor, one side of the screw rod is fixedly provided with a limiting rod, the limiting rod penetrates through the inside of the first pressure sensor, the bottom of the limiting rod is fixedly provided with a device base, the top of the device base is connected with the bottom of the screw rod, two sides of the first pressure sensor are fixedly provided with a first fixed block, a second pressure sensor is slidably arranged below the first fixed block, two sides of the second pressure sensor are fixedly provided with a second fixed block, one side surface of the support frame shell is provided with a pressure monitor, and one side of the pressure monitor is fixedly provided with a displacement monitor, the top of the support frame shell is fixedly provided with a support crossbeam, the bottom of the support crossbeam is slidably provided with a movable block, the bottom of the movable block is fixedly provided with a lifting ring, two sides of the middle part of the support frame shell are fixedly provided with extension plates, the top of the extension plates is fixedly provided with an electric telescopic rod, the bottom of the extension plates is fixedly provided with a support leg, the outer surface of the support leg is fixedly provided with a first fixing ring, two sides of the first fixing ring are fixedly provided with a mounting frame, the inside of the mounting frame is rotatably provided with a support base, one side of the support base is rotatably provided with a fixing frame, one side of the fixing frame is fixedly provided with a second fixing ring, the second fixing ring is sleeved outside the support leg, the inside of the support leg is fixedly provided with a mounting block, damping spring's bottom fixed mounting has the snubber block, the opposite side fixed surface who supports the base installs the connecting plate, one side fixed mounting of connecting plate has the fixed plate, the bottom fixed mounting of fixed plate has the fixed block, the bottom welding of snubber block has the welded plate, the bottom of welded plate is equipped with the ore bed.
Preferably, the fixing plate is parallel to the horizontal plane, the fixing block is fixed to the bottom of the fixing plate, and the bottom of the fixing block and the bottom of the damping block are located on the same horizontal plane.
Preferably, the bottom of the fixing plate is provided with a fastening bolt in a threaded manner, and the fixing block is detachably connected with the fixing plate.
Preferably, a control panel is fixedly mounted on the surface of one side of the support frame shell, and the electric telescopic rods are electrically connected with the control panel.
Preferably, the electric telescopic rod penetrates through the extension plate, and the electric telescopic rod is fixedly connected with the support base.
Preferably, the screw rod and the limiting rod are rotatably connected with the support frame shell and the device base, threaded holes are drilled in the first pressure sensor and the second pressure sensor, and the screw rod is meshed with the threaded holes.
Preferably, a plurality of first fixing blocks and a plurality of second fixing blocks are uniformly distributed on the first pressure sensor and the second pressure sensor along the circumference.
Preferably, reserved holes are drilled in two sides of the support frame shell, and the first fixing block and the second fixing block extend out of the reserved holes.
Preferably, a power supply is fixedly installed in the support frame shell, and the power supply is connected with the first pressure sensor, the second pressure sensor, the electric telescopic rod and the servo motor through wires.
The invention has the beneficial effects that:
1. the device not only can realize the hoisting function for the underground construction of the deep well, but also can be used for monitoring the underground ore bed of the deep well and the ground surface through the position of the pressure sensor arranged in the device, can monitor whether the settlement occurs or not and can predict the depth and scale of the settlement through the signal change of the pressure sensor, has high measurement precision, and protects the safety of underground workers.
2. The supporting frame increases contact points with the ground, enhances the use stability, does not cause a dumping phenomenon, and is convenient to use, wherein the fixed plate is parallel to the horizontal plane, the fixed block is fixed at the bottom of the fixed plate, and the bottom of the fixed block and the bottom of the damping block are positioned on the same plane, so that the supporting frame can be effectively prevented from dumping, the protection device can be prevented from being damaged, and meanwhile, the safety of underground workers is also protected.
3. Wherein after first fixed block and second fixed block all correspond the seam block rather than, then reset the pulling force that first pressure sensor and second pressure sensor surveyed, when the seam takes place to subside, extrude first pressure sensor and second pressure sensor elastic surface, when first pressure sensor and second pressure sensor receive pressure, gather the pressure that each first pressure sensor and second pressure sensor sensed in real time by pressure monitor, prevent that the seam in the pit from collapsing, remind the staff in the pit to protect and withdraw in time.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the support leg of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the support bracket of the present invention;
fig. 4 is an enlarged view of a point a in fig. 1.
In the figure: 1. a support frame housing; 2. a servo motor; 3. a screw rod; 4. a first pressure sensor; 5. a device base; 6. a limiting rod; 7. a first fixed block; 8. a second pressure sensor; 9. a pressure monitor; 10. a displacement monitor; 11. a second fixed block; 12. a hoisting ring; 13. a support beam; 14. a moving block; 15. welding the plate; 16. a seam; 17. an extension plate; 18. an electric telescopic rod; 19. supporting legs; 20. mounting blocks; 21. a mounting frame; 22. a fixed mount; 23. a support base; 24. a damper block; 25. a second retaining ring; 26. a damping spring; 27. a connecting plate; 28. a fixing plate; 29. a third fixed block; 30. a first retaining ring.
The specific implementation mode is as follows:
example 1: as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a hoisting device for deep well underground mining comprises a support frame shell 1, a servo motor 2 is fixedly installed inside the support frame shell 1, a screw rod 3 is fixedly installed at the bottom of the servo motor 2, the screw rod 3 is fixedly installed inside the support frame shell 1, a first pressure sensor 4 is sleeved outside the screw rod 3, a limiting rod 6 is fixedly installed on one side of the screw rod 3, the screw rod 3 and the limiting rod 6 are rotatably connected with the support frame shell 1 and a device base 5, threaded holes are drilled in the first pressure sensor 4 and a second pressure sensor 8, the screw rod 3 is meshed with the threaded holes, the first pressure sensor 4 and the second pressure sensor 8 can move, the limiting rod 6 penetrates through the first pressure sensor 4, a device base 5 is fixedly installed at the bottom of the limiting rod 6, and the top of the device base 5 is connected with the bottom of the screw rod 3, first fixed blocks 7 are fixedly installed on two sides of a first pressure sensor 4, a second pressure sensor 8 is slidably installed below the first fixed block 7, second fixed blocks 11 are fixedly installed on two sides of the second pressure sensor 8, a pressure monitor 9 is installed on one side surface of a support frame shell 1, a displacement monitor 10 is fixedly installed on one side of the pressure monitor 9, a support cross beam 13 is fixedly installed on the top of the support frame shell 1, a moving block 14 is slidably installed on the bottom of the support cross beam 13, a hanging ring 12 is fixedly installed on the bottom of the moving block 14, extension plates 17 are fixedly installed on two sides of the middle part of the support frame shell 1, an electric telescopic rod 18 is fixedly installed on the tops of the extension plates 17, support legs 19 are fixedly installed on the bottoms of the extension plates 17, first fixed rings 30 are fixedly installed on the outer surfaces of the support legs 19, and installation, a supporting base 23 is rotatably arranged inside the mounting frame 21, a fixing frame 22 is rotatably arranged on one side of the supporting base 23, a second fixing ring 25 is fixedly arranged on one side of the fixing frame 22, the second fixing ring 25 is sleeved outside the supporting leg 19, a mounting block 20 is fixedly arranged inside the supporting leg 19, a damping spring 26 is fixedly arranged at the bottom of the mounting block 20, a damping block 24 is fixedly arranged at the bottom of the damping spring 26, a connecting plate 27 is fixedly arranged on the surface of the other side of the supporting base 23, a fixing plate 28 is fixedly arranged on one side of the connecting plate 27, a fastening bolt is arranged at the bottom of the fixing plate 28 in a threaded manner, a third fixing block 29 is detachably connected with the fixing plate 28, the height is adjusted to meet various special uneven underground ore layers 16, the fixing plate 28 is parallel to the horizontal plane, the third fixing block 29 is fixed at the bottom of the fixing plate 28, the anti-falling device can effectively prevent the anti-falling device from falling, the protection device can prevent the anti-damage device from being damaged, the third fixing block 29 is fixedly arranged at the bottom of the fixing plate 28, the welding plate 15 is welded at the bottom of the damping block 24, and the ore bed 16 is arranged at the bottom of the welding plate 15.
The fixing plate 28 is parallel to the horizontal plane, the third fixing block 29 is fixed at the bottom of the fixing plate 28, and the bottom of the third fixing block 29 and the bottom of the damping block 24 are located on the same horizontal plane, so that the anti-toppling device can be effectively prevented, and the device can be protected from damage.
Wherein, the bottom threaded mounting of fixed plate 28 has fastening bolt, and third fixed block 29 can dismantle with fixed plate 28 and be connected, and the height-adjusting satisfies the underground ore deposit 16 of various special unevennesses.
Wherein, a control panel is fixedly arranged on the surface of one side of the support frame shell 1, and the electric telescopic rods 18 are electrically connected with the control panel, thereby improving the practicability of the invention.
Wherein, electric telescopic handle 18 runs through the inside of extending board 17, and electric telescopic handle 18 and support base 23 fixed connection, optimize overall structure.
Wherein, lead screw 3 and gag lever post 6 all rotate with support frame shell 1 and device base 5 and are connected, and threaded hole has all been dug in first pressure sensor 4 and second pressure sensor 8's inside, and lead screw 3 and threaded hole meshing make first pressure sensor 4 and second pressure sensor 8 can realize removing.
Wherein, evenly distributed has a plurality of first fixed blocks 7 and second fixed block 11 along the circumference on first pressure sensor 4 and the second pressure sensor 8, makes first pressure sensor 4 and second pressure sensor 8 atress balanced, even, can also monitor the settlement condition in 16 a plurality of directions in same ore bed simultaneously.
Wherein, the both sides of support frame shell 1 are dug and are had the preformed hole, and stretch out in first fixed block 7 and the second fixed block 11 by the preformed hole, when the ore bed 16 takes place to subside in the pit, first fixed block 7 and second fixed block 11 can remove thereupon, convenient monitoring.
Wherein, fixed mounting has the power in the support frame shell 1, and power and first pressure sensor 4, second pressure sensor 8, electric telescopic handle 18 and 2 connection of electric lines of servo motor, conveniently control, convenient operation, simple to use.
The using state of the invention is as follows: the apparatus is placed in the desired position, first with the fixing plate 28 of the invention parallel to the horizontal plane of the seam 16, and the third fixing block 29 is fixed at the bottom of the fixing plate 28, and the bottom of the third fixing block 29 and the bottom of the shock absorption block 24 are positioned at the same horizontal plane, so that the invention can be effectively prevented from toppling, the device can be protected from damage, then the electric telescopic rod 18 penetrates through the inside of the extension plate 17, and the electric telescopic rod 18 is fixedly connected with the supporting base 23, so that the height is adjusted to meet various special uneven underground ore layers 16, then the bottom of the shock absorption block 24 is fixedly provided with a rubber pad, and the bottom of the rubber pad is engraved with anti-skid lines, so that the anti-toppling performance of the anti-toppling shock absorber is further improved, then, the fastening bolt is fixedly installed at the bottom of the fixing plate 28, and the third fixing block 29 is detachably connected with the fixing plate 28, so that the third fixing block 29 is convenient to replace, and the practicability of the invention is improved;
because the screw rod 3 and the limiting rod 6 are rotationally connected with the support frame shell 1 and the device base 5, threaded holes are drilled in the first pressure sensor 4 and the second pressure sensor 8, the screw rod 3 is meshed with the threaded holes, the first pressure sensor 4 and the second pressure sensor 8 can move, then the servo motor 2 is started to move the first pressure sensor 4 and the second pressure sensor 8 into the drilled holes to the deepest part along the screw rod 3 and the limiting rod 6, the device can be smoothly put in, the first fixing block 7 and the second fixing block 11 can be smoothly clamped with the surrounding mineral seam 16, reserved holes are drilled in two sides of the support frame shell 1, the first fixing block 7 and the second fixing block 11 extend out of the reserved holes, and after the first fixing block 7 and the second fixing block 11 are both clamped with the corresponding mineral seam 16, the tensile force measured by the first pressure sensor 4 and the second pressure sensor 8 is reset, when the ore bed 16 takes place to subside, extrude first pressure sensor 4 and 8 elastic surfaces of second pressure sensor, first pressure sensor 4 and second pressure sensor 8 receive the pressure power, gather the pressure that each first pressure sensor 4 and second pressure sensor 8 sensed in real time by pressure monitor 9, monitor, prevent that the ore bed 16 in the pit from collapsing, protection staff's in the pit safety.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a deep well is hoisting device for mining in pit, includes support frame shell (1), its characterized in that: the inner fixed mounting of the support frame shell (1) is composed of a servo motor (2), a lead screw (3) is fixedly mounted at the bottom of the servo motor (2), the lead screw (3) is fixedly mounted in the support frame shell (1), a first pressure sensor (4) is sleeved outside the lead screw (3), a limiting rod (6) is fixedly mounted on one side of the lead screw (3), the limiting rod (6) penetrates through the inner part of the first pressure sensor (4), a device base (5) is fixedly mounted at the bottom of the limiting rod (6), the top of the device base (5) is connected with the bottom of the lead screw (3), first fixed blocks (7) are fixedly mounted on the two sides of the first pressure sensor (4), a second pressure sensor (8) is slidably mounted below the first fixed blocks (7), and second fixed blocks (11) are fixedly mounted on the two sides of the second pressure sensor (8), the device comprises a support frame shell (1), wherein a pressure monitor (9) is arranged on the surface of one side of the support frame shell (1), a displacement monitor (10) is fixedly arranged on one side of the pressure monitor (9), a supporting beam (13) is fixedly arranged on the top of the support frame shell (1), a moving block (14) is slidably arranged at the bottom of the supporting beam (13), a lifting ring (12) is fixedly arranged at the bottom of the moving block (14), an extension plate (17) is fixedly arranged on two sides of the middle part of the support frame shell (1), an electric telescopic rod (18) is fixedly arranged on the top of the extension plate (17), a support leg (19) is fixedly arranged on the bottom of the extension plate (17), a first fixing ring (30) is fixedly arranged on the outer surface of the support leg (19), a mounting frame (21) is fixedly arranged on two sides of the first fixing ring (30), a fixed mount (22) is rotatably arranged on one side of the supporting base (23), a second fixed ring (25) is fixedly arranged on one side of the fixed mount (22), the second fixing ring (25) is sleeved outside the supporting leg (19), the inside of the supporting leg (19) is fixedly provided with the mounting block (20), a damping spring (26) is fixedly arranged at the bottom of the mounting block (20), a damping block (24) is fixedly arranged at the bottom of the damping spring (26), a connecting plate (27) is fixedly arranged on the other side surface of the supporting base (23), a fixing plate (28) is fixedly arranged on one side of the connecting plate (27), a third fixing block (29) is fixedly arranged at the bottom of the fixing plate (28), the bottom welding of snubber block (24) has welding plate (15), the bottom of welding plate (15) is equipped with ore deposit (16).
2. The hoisting device for deep well underground mining according to claim 1, wherein the fixing plate (28) is parallel to a horizontal plane, and the third fixing block (29) is fixed at the bottom of the fixing plate (28), and the bottom of the third fixing block (29) and the bottom of the shock-absorbing block (24) are located at the same horizontal plane.
3. The hoisting device for deep well underground mining according to claim 1, wherein the bottom of the fixing plate (28) is threaded with a fastening bolt, and the third fixing block (29) is detachably connected with the fixing plate (28).
4. The hoisting device for deep well underground mining according to claim 1, wherein a control panel is fixedly installed on one side surface of the support frame housing (1), and the electric telescopic rods (18) are electrically connected with the control panel.
5. A deep well mining hoist arrangement in a pit according to claim 1, characterized in that the electric telescopic rod (18) runs through the inside of the extension plate (17) and the electric telescopic rod (18) is fixedly connected with the support base (23).
6. The hoisting device for deep well underground mining according to claim 1, wherein the screw rod (3) and the limiting rod (6) are rotatably connected with the support frame housing (1) and the device base (5), threaded holes are drilled in the first pressure sensor (4) and the second pressure sensor (8), and the screw rod (3) is meshed with the threaded holes.
7. A deep well mining hoisting device according to claim 1, characterized in that a plurality of first fixing blocks (7) and second fixing blocks (11) are circumferentially and uniformly distributed on the first pressure sensor (4) and the second pressure sensor (8).
8. A deep well mining hoisting device according to claim 1, characterized in that the support frame housing (1) is bored with preformed holes on both sides, and the first fixing block (7) and the second fixing block (11) protrude from the preformed holes.
9. The hoisting device for deep well underground mining according to claim 1, wherein a power supply is fixedly installed in the support frame housing (1), and the power supply is connected with the first pressure sensor (4), the second pressure sensor (8), the electric telescopic rod (18) and the servo motor (2) through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011235691.5A CN112209253B (en) | 2020-11-09 | 2020-11-09 | Hoisting device for deep well underground mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011235691.5A CN112209253B (en) | 2020-11-09 | 2020-11-09 | Hoisting device for deep well underground mining |
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| Publication Number | Publication Date |
|---|---|
| CN112209253A true CN112209253A (en) | 2021-01-12 |
| CN112209253B CN112209253B (en) | 2024-03-01 |
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ID=74056653
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235691.5A Active CN112209253B (en) | 2020-11-09 | 2020-11-09 | Hoisting device for deep well underground mining |
Country Status (1)
| Country | Link |
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| CN (1) | CN112209253B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090114613A1 (en) * | 2006-07-21 | 2009-05-07 | Kg Inc. | Hoist for low space crane |
| CN208516818U (en) * | 2018-07-30 | 2019-02-19 | 陇东学院 | A kind of well head well testing lifting traction integrated apparatus |
| CN209081368U (en) * | 2018-11-30 | 2019-07-09 | 何宇涵 | A kind of mining bucket lifting device that vertical shaft mining is high with stability |
| CN209161332U (en) * | 2018-12-06 | 2019-07-26 | 张世千 | One kind being used for Hydraulic hoisting machine for loading and unloading equipment and material in underground coal mine |
| CN211496610U (en) * | 2020-01-06 | 2020-09-15 | 重庆城市职业学院 | Hoisting device for underground mining |
-
2020
- 2020-11-09 CN CN202011235691.5A patent/CN112209253B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090114613A1 (en) * | 2006-07-21 | 2009-05-07 | Kg Inc. | Hoist for low space crane |
| CN208516818U (en) * | 2018-07-30 | 2019-02-19 | 陇东学院 | A kind of well head well testing lifting traction integrated apparatus |
| CN209081368U (en) * | 2018-11-30 | 2019-07-09 | 何宇涵 | A kind of mining bucket lifting device that vertical shaft mining is high with stability |
| CN209161332U (en) * | 2018-12-06 | 2019-07-26 | 张世千 | One kind being used for Hydraulic hoisting machine for loading and unloading equipment and material in underground coal mine |
| CN211496610U (en) * | 2020-01-06 | 2020-09-15 | 重庆城市职业学院 | Hoisting device for underground mining |
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| CN112209253B (en) | 2024-03-01 |
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