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CN-121974259-A - Lifting device for mounting and removing underground coal face of coal mine

CN121974259ACN 121974259 ACN121974259 ACN 121974259ACN-121974259-A

Abstract

The invention discloses a lifting device for mounting and removing a coal mining working face under a coal mine, which comprises a base, wherein one end of the top of the base is fixedly connected with a plurality of first fixing frames, a suspension arm is movably connected between the plurality of first fixing frames, one side of the suspension arm is provided with a lifting assembly, one side of the suspension arm is provided with a wire arrangement assembly, the wire arrangement assembly is connected with the lifting assembly, the base is provided with a driving assembly, a second driving motor is started to drive a first bevel gear to rotate, a first rotating shaft is driven to rotate through the cooperation of the first bevel gear and a second bevel gear, under the action of a crawler belt, the first crawler belt drives the second crawler belt to synchronously rotate, the lifting device is driven to a working area, the crawler belt can better adapt to complex road conditions under the coal mine, the crawler belt drives the suspension arm to lift along a first limiting groove through the cooperation of a connecting rod and the first rotating shaft, and the lifting assembly and the wire arrangement assembly are positioned on the suspension arm.

Inventors

  • ZHANG MINGGUI
  • WANG YUFEI
  • WANG QIANG
  • YANG WENDONG
  • ZHOU XIAOHONG
  • Lu Jiabi
  • XU TAO

Assignees

  • 泸州市威鑫煤业有限责任公司

Dates

Publication Date
20260505
Application Date
20260304

Claims (10)

  1. 1. A lifting device for use in installation and removal of a coal face in a coal mine, comprising: Base (1), a plurality of first mount (11) of base (1) top one end fixedly connected with, a plurality of swing joint has davit (2) between first mount (11), davit (2) bottom both sides all are provided with first stopper (34), first mount (11) middle part is provided with first spacing groove (12), first stopper (34) are located first spacing groove (12), base (1) top fixedly connected with second mount (6), second mount (6) top fixedly connected with pneumatic cylinder (7), the power take off end fixedly connected with fixed block (8) of pneumatic cylinder (7), fixed block (8) one end swing joint has connecting rod (9), connecting rod (9) one end is provided with spacing hole (10), davit (2) bottom one side transversely fixedly connected with first rotation axis (33), first rotation axis (33) are located spacing hole (10), base (1) top fixedly connected with a plurality of balancing weights (14), davit is provided with lifting assembly (2) to go up lifting assembly one side, lifting assembly (2) are provided with winding displacement subassembly (1), lifting assembly one side is provided with winding displacement subassembly (1).
  2. 2. The lifting device for mounting and removing a coal mine underground coal face according to claim 1, wherein the lifting assembly comprises a first driving motor (30), a third fixing frame (27) is fixedly connected to one side of the suspension arm (2), and one side of the first driving motor (30) is fixedly connected with one side of the third fixing frame (27).
  3. 3. The lifting device for mounting and removing the underground coal face of the coal mine according to claim 2, wherein a power output end of the first driving motor (30) penetrates through one side of the third fixing frame (27) and is fixedly connected with a wire collecting roller (28), and two ends of the wire collecting roller (28) are fixedly connected with baffle plates (29).
  4. 4. A hoisting device for mounting and removing a coal face under a coal mine according to claim 3, wherein two ends of the top of the suspension arm (2) are respectively and movably connected with a first guide wheel (21) and a second guide wheel (22), the center of the wire collecting roller (28) is fixedly connected with a steel cable (4), one end of the steel cable (4) bypasses the top of the first guide wheel (21) and the top of the second guide wheel (22) and is fixedly connected with a lifting hook (39), and the bottom of the lifting hook (39) is provided with an external hanging strip.
  5. 5. The lifting device for mounting and removing a coal face under a coal mine as claimed in claim 4, wherein the wire arrangement assembly comprises a fourth fixing frame (23), and a reciprocating screw (25) is transversely and movably connected to one side of the fourth fixing frame (23).
  6. 6. The lifting device for mounting and removing the underground coal face of the coal mine according to claim 5, wherein a second limiting groove (24) is formed in one side of the fourth fixing frame (23), a sliding block (3) is movably connected in the second limiting groove (24), and a second limiting block (38) is arranged on one side of the sliding block (3).
  7. 7. The lifting device for mounting and removing a coal mine underground coal face according to claim 6, wherein one end of the sliding block (3) is fixedly connected with a guide ring (35), a plurality of balls (36) are movably connected to the middle of the guide ring (35), and the steel cable (4) is positioned in the middle of the guide ring (35).
  8. 8. The lifting device for mounting and removing a coal mine underground coal face according to claim 7, wherein a reciprocating threaded hole (37) is formed in the middle of the sliding block (3), the middle of the sliding block (3) is in threaded connection with a reciprocating screw (25), one end of the reciprocating screw (25) penetrates through a first belt wheel (26) fixedly connected with one side of a fourth fixing frame (23), one end of a wire winding roller (28) penetrates through a second belt wheel (31) fixedly connected with one side of a third fixing frame (27), and a transmission belt (32) is arranged between the second belt wheel (31) and the first belt wheel (26).
  9. 9. The lifting device for mounting and removing a coal face under a coal mine as claimed in claim 8, wherein the traveling assembly comprises a second driving motor (13), one side of the second driving motor (13) is fixedly connected with one side of the base (1), and a power output end of the second driving motor (13) is fixedly connected with a first bevel gear (15).
  10. 10. The lifting device for mounting and removing a coal mine underground coal face according to claim 9, wherein two ends of the base (1) are respectively and transversely movably connected with a second rotating shaft (5) and a third rotating shaft (18), a second bevel gear (16) is fixedly connected to the middle of the second rotating shaft (5), the second bevel gear (16) is meshed with the first bevel gear (15), two ends of the second rotating shaft (5) penetrate through two sides of the base (1) and are fixedly connected with first crawler wheels (17), two ends of the third rotating shaft (18) penetrate through two sides of the base (1) and are fixedly connected with second crawler wheels (19), and a crawler (20) is meshed and connected between the first crawler wheels (17) and the second crawler wheels (19).

Description

Lifting device for mounting and removing underground coal face of coal mine Technical Field The invention relates to the technical field of lifting devices, in particular to a lifting device used for mounting and removing a coal face under a coal mine. Background Along with the progress of society, the life safety of people is more and more important, and safe and stable underground work is the important subject of the existing coal mining, and when the fully mechanized coal mining working face is installed or removed underground, heavy equipment such as a hydraulic support and the like must be installed or disassembled in an underground assembly and disassembly chamber at first, and some parts are required to be transported through hoisting equipment. The existing hoisting device used for installing and removing underground coal face of coal mine mostly has a wire arrangement component used for arranging and releasing steel ropes to prevent the steel ropes from winding, but the wire arrangement component is connected with a base to enable the hoisting device to be inconvenient to install and lift, if a boom is lifted, a pulling force is applied to the steel ropes, so that the hoisting range is limited. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The present invention has been made in view of the above and/or problems with existing lifting devices used in the installation and removal of coal mining face in a coal mine. Therefore, the invention aims to provide a lifting device for mounting and removing a coal mining working face under a coal mine, a second driving motor is started to drive a first bevel gear to rotate in the use process, a first rotating shaft is driven to rotate through the cooperation of the first bevel gear and the second bevel gear, a first crawler wheel drives a second crawler wheel to synchronously rotate under the action of a crawler belt, the lifting device is driven to a to-be-worked area, the crawler belt can better adapt to the complex road conditions under the coal mine when driving, a hydraulic cylinder is started, a suspension arm is driven to lift along a first limit groove through the cooperation of a connecting rod and the first rotating shaft, a lifting component and a wire arrangement component are both positioned on the suspension arm, a steel cable is not influenced when lifting, a workpiece to be lifted is connected with the suspension hook through an external sling, the first driving motor is started to drive a wire collecting roller to rotate, the steel cable is coiled, the lifting hook ascends along the first guide wheel at the moment, meanwhile, under the action of the driving belt, the second belt pulley drives the first belt pulley to rotate, so that the reciprocating screw rod rotates, the sliding block is driven to transversely slide back and forth along the second limit groove through the matching of the reciprocating screw rod and the reciprocating threaded hole, the guide ring drives the steel cable to be orderly coiled on the coiling roller, the balls reduce the friction force between the steel cable and the guide ring to a certain extent, the baffle plate plays a role in protecting the steel cable, the baffle plate limits the steel cable at the two ends of the coiling roller, the problem that the existing lifting device for installing and removing the underground coal face of a coal mine mostly has a winding displacement component for arranging and paying off the steel cable is solved, the winding displacement component is connected with the base, so that the lifting device is inconvenient to install and lift the lifting device, if the lifting arm is lifted, the lifting force is applied to the steel cable, resulting in a problem of a relatively limited hoisting range. In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided: a lifting device for use in installation and removal of a coal face in a coal mine, comprising: The lifting device comprises a base, a plurality of first fixing frames are fixedly connected with one end of the top of the base, a plurality of lifting arms are movably connected between the first fixing frames, first limiting blocks are arranged on two sides of the bottom of the lifting arms, first limiting grooves are formed in the middle of the first fixing frames, the first limiting blocks are located in the first limiting grooves, the second fixing frames are fixedly connected with the top of the base, a hydraulic cylinder is fixedly connected with the top of the second fixing frames, a fixing block is fixedly connected with the power o