A type of mine roadway lifting vehicle

Abstract

This utility model discloses a mine roadway lifting vehicle, belonging to the technical field of coal mine roadway maintenance equipment. It includes a frame, a lifting structure mounted on the frame, and a support mounted on the lifting structure. The lifting structure includes a fixed plate mounted on the frame, a support cylinder mounted on the fixed plate, and a lower pulley rotatably mounted on the fixed plate. A lifting inner rod is slidably mounted inside the support cylinder. A mounting frame is mounted on the upper outer wall of the support cylinder, and an upper pulley and a pneumatic hoist are rotatably mounted on the mounting frame. A vertical strip-shaped opening is provided on one side of the support cylinder. A fixing ring is fixedly connected to the lower end of the lifting inner rod within the strip-shaped opening. One end of a steel wire rope is attached to the fixing ring, and the other end of the steel wire rope passes through the upper pulley and the lower pulley in sequence before being connected to the pneumatic hoist. The advantage of this utility model is improved safety.

Description

Technical Field

[0001] This utility model relates to the technical field of coal mine roadway maintenance equipment, specifically to a mine roadway lifting vehicle. Background Technology

[0002] As the working face advances, the roof strata are constantly being damaged and moved. Timely use of I-beams to support the roof of the roadway can prevent roof collapse and subsidence, thus ensuring the safety of miners.

[0003] The traditional method of manually lifting I-beams involves using a ladder to hang a hand-operated hoist on the top plate, with a thin chain attached to one-third of the length of the I-beam. Standing below, workers manually pull the hoist to lift the I-beam to near the top plate. Two workers support one end of the I-beam from below, and two more workers use a ladder to support the other end from above. One person in the middle helps to loosen and adjust the hand-operated hoist, rotating the I-beam to the appropriate position. Stacked supports or hydraulic units are arranged below both ends.

[0004] While current technology using chain hoists can compensate for the limitations of traditional manual lifting operations, it still results in high labor costs, high labor intensity for workers, low work efficiency, and significant safety hazards such as working at heights and the risk of I-beams falling. Summary of the Invention

[0005] The present invention aims to solve the safety technical problem mentioned in the background technology above, and provides a mine roadway lifting vehicle.

[0006] To achieve the above objectives, the technical solution provided by this utility model is as follows: a mine roadway lifting vehicle, including a frame, a lifting structure installed on the frame, and a support installed on the lifting structure;

[0007] The lifting structure includes a fixed plate mounted on the frame, a support cylinder mounted on the fixed plate and a lower pulley rotatably mounted on the fixed plate, a lifting inner rod slidably mounted inside the support cylinder, a mounting frame mounted on the upper outer wall of the support cylinder, an upper pulley rotatably mounted on the mounting frame and a pneumatic hoist mounted on the mounting frame.

[0008] A vertical strip-shaped opening is provided on one side of the support cylinder. A fixed ring is fixedly connected to the lower end of the lifting inner rod and located in the strip-shaped opening. One end of a steel wire rope is attached to the fixed ring, and the other end of the steel wire rope passes through the upper pulley and the lower pulley in sequence and is connected to the pneumatic hoist.

[0009] In some embodiments, the lifting structure is provided in multiple sets, which are mounted on the vehicle frame and installed symmetrically.

[0010] In some embodiments, a connecting frame that is rotatably connected to the lower pulley is fixedly connected to the upper end face of the fixed plate;

[0011] The upper end of the pneumatic hoist is equipped with a mounting hook that connects to the mounting frame, and the lower side of the pneumatic hoist is connected to a drive hook via an iron chain. The other end of the wire rope is fixedly connected to the drive hook.

[0012] In some embodiments, pneumatic motors are symmetrically mounted on the front and rear end sidewalls inside the frame in the direction of travel, and triangular track wheels are mounted on the outside of the frame corresponding to the pneumatic motors.

[0013] The triangular track wheel includes a support frame mounted on the outer wall of the chassis. The support frame is rotatably mounted with a drive shaft via bearings. One end of the drive shaft, closer to the interior of the chassis, is connected to a pneumatic motor, and the other end is connected to a drive wheel. A horizontal shaft and guide wheels, rotatably mounted on the horizontal shaft via bearings, are symmetrically arranged on the lower side of the support frame. There are at least two sets of guide wheels. The drive wheel is engaged with a track ring. Both the drive wheel and the guide wheels are located inside the track ring. When the pneumatic motor rotates, it drives the drive wheel through the drive shaft. When the drive wheel rotates, it drives the track ring to rotate around the outer side of the drive wheel and the guide wheels.

[0014] In some embodiments, the end of the drive shaft away from the drive wheel passes through the frame and is key-driven connected to the drive end of the pneumatic motor.

[0015] In some embodiments, multiple sets of guide wheels are connected by track belt drive.

[0016] In some embodiments, the upper end of the lifting inner rod is provided with a top plate, which is connected to the bottom of the support. The upper end of the support has a U-shaped structure, and the top plate has an inverted U-shaped structure.

[0017] In some embodiments, a protective box is installed on the inner cavity sidewall of the frame, and a controller is installed inside the protective box.

[0018] In some embodiments, the outer wall of the support cylinder is symmetrically equipped with reinforcing frames connected to the vehicle frame, and multiple sets of support cylinders are connected by connecting rods.

[0019] The advantages of this utility model compared with the prior art are as follows: By setting up a lifting structure and using a support cylinder, lifting inner rod, wire rope and pneumatic hoist in combination, the pneumatic hoist lifts the inner rod through wire rope transmission during the most dangerous and labor-intensive lifting process, thereby lifting heavy objects such as I-beams to the required position and height, reducing the number of operators, reducing the labor intensity of workers, and improving installation efficiency; the pneumatic hoist is installed on the lifting vehicle, and there is no need for multiple high-altitude hoisting and disassembly, eliminating the need for workers to work at height and reducing the risk of I-beams falling, thus improving operational safety.

[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the mine roadway lifting vehicle according to an embodiment of the present utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the lifting structure shown;

[0023] Figure 3 for Figure 2 A schematic diagram of the pneumatic hoist section at the upper end of the lifting structure shown in the figure;

[0024] Figure 4 for Figure 1 The schematic diagram of the walking component mechanism shown;

[0025] In the attached diagram: 1. Chassis; 2. Lifting structure; 21. Fixing plate; 211. Connecting frame; 22. Support cylinder; 221. Strip opening; 23. Lifting inner rod; 231. Fixing ring; 24. Wire rope; 25. Mounting frame; 26. Upper pulley; 27. Lower pulley; 28. Pneumatic hoist; 281. Mounting hook; 282. Drive hook; 3. Support; 31. Top plate; 4. Protective box; 5. Controller; 6. Pneumatic motor; 7. Triangular track wheel; 71. Support frame; 72. Drive shaft; 73. Drive wheel; 74. Horizontal shaft; 75. Guide wheel; 76. Track ring; 8. Reinforcing frame; 9. Connecting rod. Detailed Implementation

[0026] The present invention will now be described in further detail.

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0028] Combination Figure 1 As shown in the figure, a mine roadway lifting vehicle of this embodiment has two sets of lifting structures 2 installed on the frame 1, and a support 3 installed on the lifting structure 2; a walking component is installed at the lower end of the frame 1.

[0029] The outer wall of the support cylinder 22 is symmetrically equipped with reinforcing frames 8 connected to the frame 1, and multiple sets of support cylinders 22 are connected by connecting rods 9. The installation stability of the two sets of support cylinders 22 is improved by the setting of reinforcing frames 8 and connecting rods 9, making the installation of support cylinders 22 more secure.

[0030] Combination Figure 2 , Figure 3As shown, the lifting structure 2 includes a fixed plate 21 welded to the frame 1. A support cylinder 22 and a connecting frame 211 are fixedly connected to the fixed plate 21. A lower pulley 27 is rotatably connected to the connecting frame 211. A lifting inner rod 23 is slidably installed inside the support cylinder 22. An installation frame 25 is installed on the upper outer wall of the support cylinder 22. An upper pulley 26 and a pneumatic hoist 28 are rotatably installed on the installation frame 25 via an installation hook 281.

[0031] A vertical strip-shaped opening 221 is provided on the outer side of the support cylinder 22. The fixing ring 231 of the lifting inner rod 23 is located inside the strip-shaped opening 221. A steel wire rope 24 is attached to the fixing ring 231. The other end of the steel wire rope 24 passes through the upper pulley 26 and the lower pulley 27 in sequence and is connected to the drive hook 282 of the pneumatic hoist 28. The upper end of the drive hook 282 is connected to the pneumatic hoist 28 by an iron chain. The drive hook 282 is equipped with a buckle to prevent the steel wire rope 24 from disengaging, thus avoiding unnecessary work accidents caused by the steel wire rope 24 disengaging under the large pulling force of the pneumatic hoist 28.

[0032] The upper end of the lifting inner rod 23 is provided with a top plate 31, which is connected to the bottom of the support 3. The upper end of the support 3 has a U-shaped structure. By setting the top plate 31 into an inverted U-shape, the load-bearing capacity of the top plate 31 is increased, so that the support 3 can stably lift heavy objects such as I-beams.

[0033] Combination Figure 4 As shown, pneumatic motors 6 are symmetrically installed on the front and rear side walls of the frame 1 in the direction of travel, and triangular track wheels 7 are installed on the outer side of the frame 1 in relation to the pneumatic motors 6.

[0034] The triangular track wheel 7 includes a support frame 71 mounted on the outer side wall of the frame 1. The support frame 71 is rotatably mounted with a drive shaft 72 via a bearing. One end of the drive shaft 72 passes through the frame 1 and is keyed to the drive end of the pneumatic motor 6. The other end of the drive shaft 72 is keyed to the drive wheel 73.

[0035] The lower side of the support frame 71 is symmetrically provided with two sets of horizontal shafts 74 and guide wheels 75 rotatably mounted on the horizontal shafts 74 via bearings;

[0036] The drive wheel 73 is engaged with the track ring 76, and both the drive wheel 73 and the guide wheel 75 are located inside the track ring 76;

[0037] The two sets of guide wheels 75 and drive wheels 73 are connected by a belt drive via track rings 76.

[0038] When the pneumatic motor 6 rotates, it drives the drive wheel 73 through the transmission shaft 72. When the drive wheel 73 rotates, it drives the track ring 76 to rotate around the outside of the drive wheel 73 and the guide wheel 75.

[0039] A protective box 4 is installed on the inner side wall of the frame 1, and a controller 5 is installed inside the protective box 4.

[0040] In this embodiment, heavy objects such as I-beams are placed inside the U-shape of the front and rear sets of supports 3. The pneumatic hoist 28 is powered by the air supply pipe. The pneumatic hoist 28 is started by operating the pneumatic switch and retracting the iron chain to pull the drive hook 282 upward. The drive hook 282 pulls the wire rope 24 closer to the pneumatic hoist 28. With the sliding cooperation of the upper pulley 26 and the lower pulley 27, the other end of the wire rope 24 pulls the fixing ring 231 upward. Then, the fixing ring 231 slides upward in the inner wall of the support cylinder 22 with the lifting inner rod 23. The upper end of the lifting inner rod 23 lifts the top plate 31 and the support 3 upward, thereby lifting the heavy objects such as I-beams to the required position and height.

[0041] Conversely, by activating the pneumatic hoist 28 and extending the chain downwards, the height of the support 3 can be lowered, reducing the number of operators, reducing the labor intensity of workers, and improving installation efficiency. The pneumatic hoist 28 is installed on the mounting frame 25 through the mounting hook 281, and there is no need for multiple high-altitude hoisting and disassembly, eliminating the need for workers to work at heights and reducing the risk of I-beams falling, thus improving operational safety.

[0042] When in use, to adapt to some sloping tunnels, the four sets of triangular track wheels 7 rely on air supply pipes to provide power to the pneumatic motor 6. When the pneumatic motor 6 rotates in the forward direction, it drives the transmission shaft 72 to rotate, which in turn drives the drive wheel 73 to rotate in the forward direction. The drive wheel 73 then drives the track ring 76 to rotate in the forward direction, thus driving the lifting vehicle forward. Conversely, when the pneumatic motor 6 rotates in the reverse direction, it drives the lifting vehicle backward. Due to the large ground contact area of ​​the tracks, the lifting vehicle is more stable during operation. One or two people can operate the lifting vehicle, making it more convenient to operate, reducing the labor intensity of workers, and improving work efficiency.

[0043] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mine roadway jumbo comprising a frame (1), characterized in that: A lifting structure (2) is installed on the frame (1), and a support (3) is installed on the lifting structure (2). The lifting structure (2) includes a fixed plate (21) mounted on the frame (1), a support cylinder (22) and a sliding pulley (27) rotatably mounted on the fixed plate (21), a lifting inner rod (23) slidably mounted inside the support cylinder (22), a mounting frame (25) mounted on the upper outer wall of the support cylinder (22), an upper pulley (26) and a pneumatic hoist (28) mounted on the mounting frame (25) rotatably mounted on the mounting frame (25); A vertical strip opening (221) is provided on one side of the support cylinder (22). The lower end of the lifting inner rod (23) is fixedly connected to a fixing ring (231) located in the strip opening (221). One end of a steel wire rope (24) is attached to the fixing ring (231). The other end of the steel wire rope (24) passes through the upper pulley (26) and the lower pulley (27) in sequence and is then connected to the pneumatic hoist (28).

2. The mine roadway jumbo according to claim 1, characterized in that: The lifting structure (2) is provided in multiple sets, and the multiple sets of the lifting structure (2) are provided on the frame (1) and installed symmetrically.

3. The mine roadway jumbo according to claim 1, characterized in that: The upper end face of the fixed plate (21) is fixedly connected to the connecting frame (211) which is rotatably connected to the pulley (27). The upper end of the pneumatic hoist (28) is equipped with a mounting hook (281) connected to the mounting frame (25), and the lower side of the pneumatic hoist (28) is connected to a drive hook (282) by an iron chain. The other end of the wire rope (24) is fixedly connected to the drive hook (282).

4. The mine roadway jumbo according to claim 1, characterized in that: Pneumatic motors (6) are symmetrically installed on the front and rear side walls of the frame (1) in the direction of travel, and triangular track wheels (7) are installed on the outside of the frame (1) in relation to the pneumatic motors (6). The triangular track wheel (7) includes a support frame (71) mounted on the outer wall of the frame (1). The support frame (71) is rotatably mounted with a drive shaft (72) via a bearing. One end of the drive shaft (72) near the interior of the frame (1) is connected to a pneumatic motor (6), and the other end of the drive shaft (72) is connected to a drive wheel (73). A horizontal shaft (74) and a guide wheel (75) rotatably mounted on the horizontal shaft (74) via a bearing are symmetrically arranged on the lower side of the support frame (71). There are at least two sets of guide wheels (75). The drive wheel (73) is engaged with a track ring (76). The drive wheel (73) and the guide wheel (75) are both located inside the track ring (76). When the pneumatic motor (6) rotates, it drives the drive wheel (73) via the drive shaft (72). When the drive wheel (73) rotates, it drives the track ring (76) to rotate around the outside of the drive wheel (73) and the guide wheel (75).

5. The mine roadway lifting vehicle according to claim 4, characterized in that: The end of the drive shaft (72) away from the drive wheel (73) passes through the frame (1) and is key-driven connected to the drive end of the pneumatic motor (6).

6. The mine roadway jumbo according to claim 4, characterized in that: The multiple sets of guide wheels (75) are connected by a track ring (76) for belt drive.

7. The mine roadway jumbo according to claim 1, characterized in that: The upper end of the lifting inner rod (23) is provided with a top plate (31), which is connected to the bottom of the support (3). The upper end of the support (3) is a U-shaped structure, and the top plate (31) is an inverted U-shaped structure.

8. The mine roadway jumbo according to claim 1, characterized in that: The inner cavity sidewall of the frame (1) is fitted with a protective box (4), and a controller (5) is installed inside the protective box (4).

9. The mine roadway lifting vehicle according to claim 2, characterized in that: The outer wall of the support cylinder (22) is symmetrically equipped with a reinforcing frame (8) connected to the frame (1), and multiple sets of the support cylinders (22) are connected by a connecting rod (9).

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