Grabbing and lifting vehicle for coal mine

Abstract

The utility model discloses a snatching vehicle for a coal mine, which belongs to the technical field of coal mine gob-side entry retaining equipment and comprises a crawler chassis, a protective shell is arranged on the top surface of the crawler chassis, and a diesel engine driving system, a hydraulic system, a cooling system and an electrical system are arranged in the protective shell. A rotary supporting seat, a rotary driving mechanism, a big arm mounting frame, a big arm, a big arm lifting oil cylinder and a shaking rod oil cylinder are arranged on the top surface of the crawler chassis, a swing oil cylinder mounting seat is arranged at the end part of the big arm, and a swing oil cylinder, a swing oil cylinder connecting frame, a rotary alignment mechanism and a holding claw mechanism are arranged below the swing oil cylinder mounting seat. The whole machine is small in size, small in turning radius, driven by the explosion-proof diesel engine, high in climbing capacity and smooth in walking operation under complex road conditions, and the crawler chassis walks; the telescopic rod oil cylinder, the large arm lifting oil cylinder and the worm gear and worm reducer are matched, the positions and angles of the large arm and the holding claw mechanism are adjusted, the pier column can be conveniently grabbed and placed, use is convenient, and the automation degree is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine along empty roadway retaining equipment technical field especially relates to a coal mine snatchs and holds the car. BACKGROUND

[0002] China's coal mine fully mechanized working face generally sets up section coal pillar, leads to coal resources waste, mining connection is nervous, crossheading maintenance is difficult, upper corner is easy to overrun and so on, along with our country coal technology level is increasing day by day, and the mine that adopts along empty roadway retaining technology is more and more, and along empty roadway retaining technology is in the fully mechanized working face recovery after mining, follows the end support rear, uses special material or technology to maintain roof in goaf, makes it still can maintain stability after one coal bank recovery and gives the next working face reuse, realizes one roadway two uses.

[0003] The existing support mode in the roadway is unit support, single prop, portal support and pier column, and the pier column gradually becomes the preferred support type in the roadway due to its light weight and large working resistance. At present, the pier column is generally manually transported, and there is a lack of equipment specially used for transporting and installing the pier column. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a coal mine snatch and hold car, and solves the problems of manual transportation of pier column and lack of equipment specially used for transporting and installing the pier column.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model discloses a coal mine snatch and hold car, including track chassis, the top surface of track chassis is provided with the protective shell, the inside of protective shell is provided with diesel engine drive system, hydraulic system, cooling system and electrical system, the top surface of track chassis and located the front of protective shell is provided with rotary support seat, the top surface of rotary support seat is provided with rotary drive mechanism and big arm mounting bracket, the top of big arm mounting bracket is provided with big arm, the lower of big arm is provided with big arm lifting cylinder, the top surface of big arm is provided with shake rod oil cylinder, the end of big arm is provided with swing cylinder mounting seat, shake rod oil cylinder is connected with swing cylinder mounting seat, big arm through connecting assembly, the lower of swing cylinder mounting seat is provided with swing cylinder, the both ends of swing cylinder are arranged on the both sides of swing cylinder connecting frame respectively, the lower of swing cylinder connecting frame is provided with rotary alignment mechanism, the lower of rotary alignment mechanism is provided with gripper mechanism.

[0007] Further, the front side of track chassis is provided with a shovel, the rear side of the shovel is provided with an adjusting cylinder, and the adjusting cylinder is arranged on the track chassis.

[0008] Further, the rotary driving mechanism comprises a first hydraulic motor, an output end of the first hydraulic motor is provided with a speed reducer, the speed reducer is arranged on the top surface of the rotary support base, an output shaft of the speed reducer penetrates through the rotary support base and is connected with a gear, and the track chassis is provided with a gear ring engaged with the gear.

[0009] Further, the rotary aligning mechanism comprises a worm gear reducer, an input end of the worm gear reducer is provided with a second hydraulic motor, and an output end of the worm gear reducer is provided with the claw mechanism.

[0010] Further, the claw mechanism comprises a mounting frame, the mounting frame is arranged at the output end of the worm gear reducer, two claws are symmetrically arranged on the lower part of the mounting frame, and outer sides of the claws are provided with clamping oil cylinders.

[0011] Further, the connecting assembly comprises a first connecting frame, one end of the first connecting frame is hingedly connected with the large arm, the other end of the first connecting frame is hingedly connected with a second connecting piece, and the other end of the second connecting piece is hingedly connected with the swing oil cylinder mounting seat.

[0012] Further, the first connecting frame is arranged in an arc shape in section.

[0013] Compared with the prior art, the beneficial technical effects of the utility model are as follows:

[0014] The whole machine has small size and small turning radius, is driven by an explosion-proof diesel engine, walks on a track chassis, has strong climbing ability and can smoothly walk and work under complex road conditions; the position and angle of the large arm and the claw mechanism are adjusted through cooperation of the swing rod oil cylinder, the large arm lifting oil cylinder and the worm gear reducer, so that the pier column can be conveniently grabbed and placed, the utility model is convenient to use and has high automation degree. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Fig. 1 It is a three-dimensional structure schematic view of the coal mine grab lifting vehicle of the utility model;

[0017] Fig. 2 It is a three-dimensional structure schematic view of the utility model actuating mechanism;

[0018] Fig. 3 It is another angle three-dimensional structure schematic view of the utility model actuating mechanism.

[0019] Explanation of reference numerals in the attached drawings: 1. Tracked chassis; 2. Slewing support seat; 3. Slewing drive mechanism; 4. Boom mounting bracket; 5. Boom; 6. Boom lifting cylinder; 7. Shaking cylinder; 8. Swing cylinder mounting seat; 9. Swing cylinder connecting bracket; 10. Swing cylinder; 11. Rotation alignment mechanism; 12. Claw mechanism; 13. Bucket; 14. Adjusting cylinder; 15. Protective shell; 16. Connecting assembly; 3-1. First hydraulic motor; 3-2. Reducer; 3-3. Gear; 3-4. Gear ring; 11-1. Worm gear reducer; 11-2. Second hydraulic motor; 12-1. Mounting bracket; 12-2. Claw; 12-3. Clamping cylinder; 16-1. First connecting bracket; 16-2. Second connecting piece. Detailed Implementation

[0020] like Figs. 1-3 As shown, a coal mine grabber includes a tracked chassis 1. A protective shell 15 is mounted on the top surface of the tracked chassis 1. A diesel engine drive system, a hydraulic system, a cooling system, and an electrical system are installed inside the protective shell 15. The diesel engine drive system, hydraulic system, cooling system, and electrical system utilize existing technology. A slewing support 2 is rotatably mounted on the top surface of the tracked chassis 1 and at the front of the protective shell 15 via bearings. A slewing drive mechanism 3 and a boom mounting frame 4 are provided on the top surface of the slewing support 2. A boom 5 is hinged to the top of the boom mounting frame 4. A boom lifting cylinder 6 is located below the boom 5. The working end of the boom lifting cylinder 6 is hinged to the boom mounting frame 4, and the piston rod of the boom lifting cylinder 6 is hinged to the boom 5. A vibrating cylinder 7 is mounted on the top surface of the boom 5, and a swing cylinder mounting seat 8 is hinged to the end of the boom 5. The vibrating cylinder 7 is connected to the swing cylinder mounting seat 8 and the boom 5 through a connecting assembly 16. A swing cylinder 10 is mounted below the swing cylinder mounting seat 8, and both ends of the swing cylinder 10 are respectively connected to the two side plates of the swing cylinder connecting frame 9. A rotary alignment mechanism 11 is mounted below the swing cylinder connecting frame 9, and a gripper mechanism 12 is mounted below the rotary alignment mechanism 11. In addition, the gripper mechanism 12 can be replaced with other working heads, such as drilling heads, to make the functions of the coal mine grab truck more diversified. The coal mine grab truck can also be equipped with various sensors and remote control equipment to achieve automatic walking and working, thereby improving the degree of automation.

[0021] Specifically, the connecting component 16 includes a first connecting frame 16-1, one end of which is hinged to the upper arm 5, and the other end of which is hinged to a second connecting member 16-2. The other end of the second connecting member 16-2 is hinged to the swing cylinder mounting seat 8. The cross-section of the first connecting frame 16-1 is set to an arc shape.

[0022] The front side of the crawler chassis 1 is hinged with a bucket 13, the rear side of the bucket 13 is provided with an adjusting oil cylinder 14, the fixed end of the adjusting oil cylinder 14 is installed on the crawler chassis 1, and the piston rod of the adjusting oil cylinder 14 is hinged with the bucket 13; the bucket 13 is moved by the movement of the piston rod of the adjusting oil cylinder 14.

[0023] The rotary driving mechanism 3 comprises a first hydraulic motor 3-1, the output end of the first hydraulic motor 3-1 is connected with a speed reducer 3-2, the speed reducer 3-2 is installed on the top surface of the rotary support base 2, the output shaft of the speed reducer 3-2 penetrates through the rotary support base 2 and is connected with a gear 3-3, and a gear ring 3-4 meshing with the gear 3-3 is installed on the crawler chassis 1; in use, the first hydraulic motor 3-1 and the speed reducer 3-2 work to drive the gear 3-3 to rotate, the gear 3-3 drives the gear ring 3-4 to rotate, and the rotary support base 2 is driven to rotate.

[0024] The rotary alignment mechanism 11 comprises a worm reducer 11-1, the worm reducer 11-1 is installed on the bottom surface of the swing oil cylinder connecting frame 9, the input end of the worm reducer 11-1 is connected with a second hydraulic motor 11-2, and the output end of the worm reducer 11-1 is installed with the claw mechanism 12; in use, the second hydraulic motor 11-2 drives the worm reducer 11-1 to work, so that the claw mechanism 12 is driven to rotate.

[0025] The claw mechanism 12 comprises a mounting frame 12-1, the mounting frame 12-1 is connected to the output end of the worm reducer 11-1, two claws 12-2 are symmetrically hinged to the lower part of the mounting frame 12-1, a clamping oil cylinder 12-3 is arranged on the outer side of the claw 12-2, the fixed end of the clamping oil cylinder 12-3 is connected to the mounting frame 12-1, and the piston rod of the clamping oil cylinder 12-3 is connected to the claw 12-2.

[0026] The working process of the utility model is as follows:

[0027] Firstly, the crawler chassis 1 walks, the swing rod oil cylinder 7 is stretched, the large arm lifting oil cylinder 6 is collected, the worm reducer 11-1 is rotated to align, the claw mechanism 12 grabs the pier column, the large arm lifting oil cylinder 6 is stretched, the pier column is separated from the ground, the worm reducer is operated to rotate 90 degrees, the crawler chassis 1 walks in a straight line to the placement position, the swing rod oil cylinder 7 is collected, the worm reducer 11-1 is vertical, the worm reducer 11-1 is operated, the pier column is adjusted to be vertical to the ground, the rotary table is operated to rotate left and right by 30 degrees, the large arm lifting oil cylinder 6 is collected, the swing rod oil cylinder 7 is stretched, and the pier column is placed on the ground.

[0028] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A coal mine use snatch car, it is characterized in being: The invention discloses a track chassis (1), the top of the track chassis (1) is provided with a protective shell (15), the inside of the protective shell (15) is provided with a diesel engine driving system, a hydraulic system, a cooling system and an electrical system, the top of the track chassis (1) and the front of the protective shell (15) are provided with a rotary support seat (2), the top of the rotary support seat (2) is provided with a rotary drive mechanism (3) and a large arm mounting rack (4), the top of the large arm mounting rack (4) is provided with a large arm (5), the lower side of the large arm (5) is provided with a large arm lifting oil cylinder (6), the top of the large arm (5) is provided with a shaking rod oil cylinder (7), the end of the large arm (5) is provided with a swing oil cylinder mounting seat (8), the shaking rod oil cylinder (7) is connected with the swing oil cylinder mounting seat (8) and the large arm (5) through a connecting assembly (16), the lower side of the swing oil cylinder mounting seat (8) is provided with a swing oil cylinder (10), the two ends of the swing oil cylinder (10) are respectively arranged on the two side plates of a swing oil cylinder connecting rack (9), the lower side of the swing oil cylinder connecting rack (9) is provided with a rotary alignment mechanism (11), the lower side of the rotary alignment mechanism (11) is provided with a claw mechanism (12).

2. The coal mine use snatch vehicle according to claim 1, characterized in that: The front side of the track chassis (1) is provided with a bucket (13), the rear side of the bucket (13) is provided with an adjusting oil cylinder (14), and the adjusting oil cylinder (14) is arranged on the track chassis (1).

3. The coal mine use snatch vehicle according to claim 1, characterized in that: The rotary drive mechanism (3) comprises a first hydraulic motor (3-1), the output end of the first hydraulic motor (3-1) is provided with a speed reducer (3-2), the speed reducer (3-2) is arranged on the top of the rotary support seat (2), the output shaft of the speed reducer (3-2) penetrates through the rotary support seat (2) and is connected with a gear (3-3), and the track chassis (1) is provided with a gear ring (3-4) engaged with the gear (3-3).

4. The coal mine use snatch vehicle according to claim 1, characterized in that: The rotary alignment mechanism (11) comprises a worm gear reducer (11-1), the worm gear reducer (11-1) is arranged on the bottom of the swing oil cylinder connecting rack (9), the input end of the worm gear reducer (11-1) is provided with a second hydraulic motor (11-2), and the output end of the worm gear reducer (11-1) is provided with the claw mechanism (12).

5. The coal mine use snatch vehicle according to claim 4, characterized in that: The claw mechanism (12) comprises a mounting rack (12-1), the mounting rack (12-1) is arranged on the output end of the worm gear reducer (11-1), the lower part of the mounting rack (12-1) is symmetrically provided with two claws (12-2), and the outer side of the claw (12-2) is provided with a clamping oil cylinder (12-3).

6. The coal mine use snatch vehicle according to claim 1, characterized in that: The connecting assembly (16) comprises a first connecting rack (16-1), one end of the first connecting rack (16-1) is hinged with the large arm (5), the other end of the first connecting rack (16-1) is hinged with a second connecting piece (16-2), and the other end of the second connecting piece (16-2) is hinged with the swing oil cylinder mounting seat (8).

7. The coal mine use snatch vehicle according to claim 6, characterized in that: The cross section of the first connecting rack (16-1) is arc-shaped.

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