CN215860149U

CN215860149U - Machine body height adjusting device for coal mining machine

Info

Publication number: CN215860149U
Application number: CN202121609175.4U
Authority: CN
Inventors: 刘旭东
Original assignee: Dalian Yuda Thin Coal Machinery Manufacturing Co ltd
Current assignee: Dalian Yuda Thin Coal Machinery Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-18
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a machine body height adjusting device for a coal mining machine, which relates to the technical field of coal mining machines and solves the technical problem that the machine body height adjustment of the existing coal mining machine cannot be carried out through a supporting device, the machine body and a coal mining mechanism can be lifted by a certain angle in the working and preparation processes through the supporting height adjusting device, the machine body height adjusting device comprises a base and a machine body and is characterized in that a supporting base is arranged on the base, a transverse adjusting device is arranged on the base and on one side of the supporting base, a supporting height adjusting structure is arranged on the moving end of the transverse adjusting device, a relative vertical relation between a hydraulic cylinder and the plane of the base is maintained through a horizontal adjusting device, the height of the machine body height adjustment can be further improved, meanwhile, an inclined supporting load is converted into a vertical supporting load, the stability is increased, and the service life of the supporting height adjusting structure is prolonged, the method is suitable for the conditions of different working ground slopes.

Description

Machine body height adjusting device for coal mining machine

Technical Field

The utility model relates to the technical field of coal mining machines, in particular to a machine body height adjusting device for a coal mining machine.

Background

A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused. The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. On the longwall coal face, the coal is broken off from the coal body by the working mechanism and is loaded into the coal mining machine of the face conveyor. The coal cutter runs at a set traction speed, so that the working procedures of coal breaking and coal loading can be continuously carried out.

The supporting device of the coal mining machine is required to have stability and strength in design, for example, in the utility model with the name of the coal mining machine and the supporting device of the coal mining machine and the publication number of CN102061915A, the supporting device of the coal mining machine comprises supporting legs; the coal mining machine supporting device further comprises a rolling part, and the rolling part is detachably connected to the bottoms of the supporting legs and supports the supporting legs. However, as mentioned above, the working environment of the coal mining machine is severe, the output is high, the weight of the whole machine is extremely high, the load is complex, the vibration is high in the working process, the use requirement of height adjustment of the machine body cannot be met by a simple rolling part and a supporting leg, and the complex and variable working conditions and the long-time high-pressure working strength in the working process cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a machine body height adjusting device for a coal mining machine, which solves the technical problems that the existing coal mining machine cannot lift the machine body and the stability of the machine body is low in the working process.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a coal-winning machine fuselage height-adjusting device, includes base and organism, its characterized in that, installation supporting pedestal on the base, on the base and with supporting pedestal one side install horizontal adjusting device, install on the horizontal adjusting device removal end and support the height-adjusting structure, the organism is the wall down and is supported the height-adjusting structure and be connected, organism one end fixed mounting has the hinge seat, fixed mounting has the pointer on the hinge seat lateral wall face, fixed mounting has the scale on the supporting pedestal lateral wall face.

Preferably, the horizontal adjusting device includes sharp recess and slider, sharp recess is seted up on the base and is located supporting pedestal one side, the interior lateral wall face fixed mounting of sharp recess has the motor, motor drive end fixed mounting has the lead screw, the fixed slot has been seted up on another lateral wall face in the sharp recess, fixed mounting has rolling bearing in the fixed slot, lead screw other end fixed mounting is in the rolling bearing inner circle, set up threaded hole on the slider, the slider passes through the screw hole and is connected with the lead screw meshing, lower wall face fixed mounting has the slide rail in the sharp recess, slidable mounting has the movable block in the slide rail, movable block and slider fixed connection, first stopper is installed at the slide rail both ends.

Preferably, the supporting heightening structure comprises a damping base plate, the damping base plate is fixedly installed on a sliding block, a supporting seat is installed on the damping base plate, a mounting groove is formed in the supporting seat, mounting holes are formed in the front wall surface and the rear wall surface of the supporting seat, the mounting holes penetrate through the mounting groove, cylindrical roller bearings are fixedly installed in the mounting holes respectively, a supporting seat shaft is installed between the cylindrical roller bearings, a damping sleeve is fixedly installed on the supporting seat shaft, a lower mounting seat is fixedly installed on the lower wall surface of the damping sleeve, a hydraulic cylinder is fixedly installed on the lower mounting seat, and the upper end of the hydraulic cylinder is hinged to a machine body.

Preferably, the supporting seat end covers are installed at two ends of a mounting hole formed in the supporting seat, and damping top blocks are arranged at two ends of a supporting seat shaft in the mounting hole.

Preferably, semi-cylindrical type grooves have been seted up respectively on the mount pad down and the pneumatic cylinder stiff end, pass through bolted connection between mount pad and the pneumatic cylinder stiff end down, damping sleeve fixed mounting is between semi-cylindrical type groove.

Preferably, a top plate is installed on the inner side of the rotating bearing, and a bearing baffle is fixedly installed on the inner side surface of the linear groove.

Preferably, a second limiting block is installed on one side, close to the supporting and height-adjusting device, of the supporting base.

Preferably, the base is fixedly provided with a dustproof cover, the upper end of the dustproof cover is provided with a through hole, and the upper end of the hydraulic cylinder penetrates through the through hole.

Advantageous effects

The utility model provides a coal mining machine body heightening device, which solves the technical problem that the existing coal mining machine body cannot be heightened through a supporting device, the coal mining machine body can be lifted by a certain angle with a coal mining mechanism in the working and preparation processes through the supporting heightening device, the relative vertical relation between a hydraulic cylinder and a base plane is kept through a horizontal adjusting device, the height of the coal mining machine body can be further increased, meanwhile, an inclined supporting load is converted into a vertical supporting load, the stability is improved, the service life of a supporting heightening structure is prolonged, and the coal mining machine body heightening device is suitable for the conditions of different working ground slopes.

Drawings

Fig. 1 is a schematic front view of a height adjusting device for a coal mining machine body according to the present invention.

Fig. 2 is a schematic structural diagram of a supporting seat shaft section of the height adjusting device for the body of the coal mining machine.

Fig. 3 is a schematic structural diagram of a screw rod installation section of the height adjusting device for the body of the coal mining machine.

In the figure: 1-a base; 2-body; 3-a support base; 4-hinged joint base; 5-a pointer; 6-a scale; 7-a linear groove; 8-a slide block; 9-a motor; 10-a lead screw; 11-a rotational bearing; 12-a slide rail; 13-a moving block; 14-a first stopper; 15-a shock-absorbing pad plate; 16-a support seat; 17-mounting grooves; 18-mounting holes; 19-cylindrical roller bearings; 20-a pedestal shaft; 21-a damping sleeve; 22-lower mount; 23-a hydraulic cylinder; 24-supporting seat end caps; 25-a shock absorbing top block; 26-a top plate; 27-a bearing shield; 28-a second stopper; 29-dust cover;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a machine body heightening device for a coal mining machine comprises a base 1 and a machine body 2 and is characterized in that a supporting base 3 is installed on the base 1, a transverse adjusting device is installed on the base 1 and on one side of the supporting base 3, a supporting heightening structure is installed on the moving end of the transverse adjusting device, the lower wall surface of the machine body 2 is connected with the supporting heightening structure, a hinged base 4 is fixedly installed at one end of the machine body 2, a pointer 5 is fixedly installed on the side wall surface of the hinged base 4, a scale 6 is fixedly installed on the side wall surface of the supporting base 3, the transverse adjusting device comprises a linear groove 7 and a sliding block 8, the linear groove 7 is arranged on the base 1 and located on one side of the supporting base 3, a motor 9 is fixedly installed on the inner side wall surface of the linear groove 7, a lead screw 10 is fixedly installed at the driving end of the motor 9, and a fixing groove is formed in the other side wall surface in the linear groove 7, a rotating bearing 11 is fixedly installed in the fixing groove, the other end of the lead screw 10 is fixedly installed at the inner ring of the rotating bearing 11, a threaded hole is formed in the sliding block 8, the sliding block 8 is meshed with the lead screw 10 through the threaded hole, a sliding rail 12 is fixedly installed on the lower wall surface in the linear groove 7, a moving block 13 is installed in the sliding rail 12, the moving block 13 is fixedly connected with the sliding block 8, first limiting blocks 14 are installed at two ends of the sliding rail 12, the supporting and height-adjusting structure comprises a shock absorption backing plate 15, the shock absorption backing plate 15 is fixedly installed on the sliding block 8, a supporting seat 16 is installed on the shock absorption backing plate 15, an installation groove 17 is formed in the supporting seat 16, installation holes 18 are formed in the front wall surface and the rear wall surface of the supporting seat 16, the installation holes 18 penetrate through the installation grooves 17, cylindrical roller bearings 19 are respectively and fixedly installed in the installation holes 18, and a supporting seat shaft 20 is installed between the cylindrical roller bearings 19, a damping sleeve 21 is fixedly mounted on the supporting seat shaft 20, a lower mounting seat 22 is fixedly mounted on the lower wall surface of the damping sleeve 21, a hydraulic cylinder 23 is fixedly mounted on the lower mounting seat 22, the upper end of the hydraulic cylinder 23 is hinged to the machine body 2, supporting seat end covers 24 are mounted at two ends of a mounting hole 18 formed in the supporting seat 16, damping top blocks 25 are arranged at two ends of the supporting seat shaft 20 in the mounting hole 18, semi-cylindrical grooves are respectively formed in the lower mounting seat 22 and the fixed end of the hydraulic cylinder 23, the lower mounting seat 22 is connected with the fixed end of the hydraulic cylinder 23 through bolts, the damping sleeve 21 is fixedly mounted between the semi-cylindrical grooves, a top plate 26 is mounted on the inner side of the rotating bearing 11, a bearing baffle 27 is fixedly mounted on the inner side surface of the linear groove 7, and a second limiting block 28 is mounted on one side of the supporting base 3 close to the supporting height-adjusting device, the base 1 is fixedly provided with a dustproof cover 29, a through hole is formed in the upper end of the dustproof cover 29, the upper end of the hydraulic cylinder 23 penetrates through the through hole, and the hydraulic cylinder 23 can freely move in the through hole.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be seen from fig. 1 to 3 of the drawings, all the electrical components such as the motor 9 and the hydraulic cylinder 23 are disclosed and electrically connected with an external controller through a wire, when the machine body 2 needs to be lifted due to work demands, in a manual mode, a worker sends a control signal to the system, when receiving the control signal, the motor 9 works to drive the lead screw 10 to rotate, and the lead screw 10 moves the slider 8 engaged with the lead screw in a direction close to the motor 9 along the guide rail under the support of the moving block, so that the shock absorbing pad 15 and the support base 16 mounted on the slider 8 move synchronously with the slider. The hydraulic cylinder 23 with the model of a standard double-acting hydraulic cylinder 23 applies thrust, the distance between the upper end of the hydraulic cylinder 23 and the hinged machine body 2 thereof and the distance between the lower end of the hydraulic cylinder 23 and the shaft of the support base 16 fixedly installed on the hydraulic cylinder are increased, so that the machine body 2 is heightened around the hinge of the support base 3 hinged with the machine body 2 as the circle center, the included angle between the machine body 2 and the plane of the base 1 is increased, the height of the front end working part of the coal mining machine and the machine body 2 is increased, and after the required height is reached, a worker disconnects a control signal. Thereupon the motor 9 and the lead screw 10 are deactivated and the current position is maintained. The slide block 8 and the base 1 keep relatively static, the hydraulic cylinder 23 is finely adjusted to enable the slide block to be basically vertical to the plane of the base 1, the height is kept unchanged, and the movement process of supporting and heightening the machine body 2 is completed. Otherwise, the machine body 2 can be lowered, a worker can input a target height or an angle, the motor 9 and the hydraulic cylinder 23 correspondingly work to change the specific position of the sliding block 8 and the telescopic length of the hydraulic cylinder 23, the angle of the machine body 2 is adjusted to the target height, and after the target height is reached, the pointer 5 reaches a set position on the dial plate and immediately sends out a control signal to keep the machine body 2 at the current height, so that the height-adjusting movement process of the machine body with the set height is completed. Wherein the position of the sliding block 8 is limited and protected by the moving block and the first stopper 14, and the body is limited and protected by the second stopper 28. Finally, a through hole in the dustproof cover 29 is added, so that the upper end of the hydraulic cylinder 23 can penetrate through the through hole to play a dustproof role of a mechanical device on the base 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a coal-winning machine fuselage height-regulating device, includes base (1) and organism (2), its characterized in that, erection bracing base (3) on base (1), on base (1) and install horizontal adjusting device with supporting base (3) one side, install on the horizontal adjusting device removal end and support and heighten the structure, organism (2) lower wall is connected with the structure of heightening of support, organism (2) one end fixed mounting has hinged joint seat (4), fixed mounting has pointer (5) on the hinged joint seat (4) lateral wall face, fixed mounting has scale (6) on the supporting base (3) lateral wall face.

2. The machine body height adjusting device for the coal mining machine according to claim 1, wherein the transverse adjusting device comprises a linear groove (7) and a sliding block (8), the linear groove (7) is arranged on the base (1) and located on one side of the supporting base (3), a motor (9) is fixedly arranged on the inner side wall surface of the linear groove (7), a lead screw (10) is fixedly arranged at the driving end of the motor (9), a fixing groove is formed in the other side wall surface in the linear groove (7), a rotating bearing (11) is fixedly arranged in the fixing groove, the other end of the lead screw (10) is fixedly arranged on the inner ring of the rotating bearing (11), a threaded hole is formed in the sliding block (8), the sliding block (8) is meshed and connected with the lead screw (10) through the threaded hole, and a sliding rail (12) is fixedly arranged on the lower wall surface in the linear groove (7), a moving block (13) is arranged in the sliding rail (12) in a sliding mode, the moving block (13) is fixedly connected with the sliding block (8), and first limiting blocks (14) are arranged at two ends of the sliding rail (12).

3. The machine body heightening device for the coal mining machine according to claim 2, wherein the supporting heightening structure comprises a shock absorption base plate (15), the shock absorption base plate (15) is fixedly installed on the sliding block (8), a supporting seat (16) is installed on the shock absorption base plate (15), an installation groove (17) is formed in the supporting seat (16), installation holes (18) are formed in the front wall and the rear wall of the supporting seat (16), the installation holes (18) penetrate through the installation groove (17), cylindrical roller bearings (19) are respectively and fixedly installed in the installation holes (18), a supporting seat shaft (20) is installed between the cylindrical roller bearings (19), a shock absorption sleeve (21) is fixedly installed on the supporting seat shaft (20), a lower installation seat (22) is fixedly installed on the lower wall of the shock absorption sleeve (21), and a hydraulic cylinder (23) is fixedly installed on the lower installation seat (22), the upper end of the hydraulic cylinder (23) is hinged with the machine body (2).

4. The machine body height adjusting device for the coal mining machine according to claim 3, wherein support seat end covers (24) are installed at two ends of a mounting hole (18) formed in the support seat (16), and damping top blocks (25) are arranged at two ends of a support seat shaft (20) in the mounting hole (18).

5. The machine body height adjusting device for the coal mining machine according to claim 3, wherein semi-cylindrical grooves are respectively formed in the lower mounting seat (22) and the fixed end of the hydraulic cylinder (23), the lower mounting seat (22) is connected with the fixed end of the hydraulic cylinder (23) through a bolt, and the damping sleeve (21) is fixedly installed between the semi-cylindrical grooves.

6. The machine body height adjusting device for the coal mining machine is characterized in that a top plate (26) is installed on the inner side of the rotating bearing (11), and a bearing baffle plate (27) is fixedly installed on the inner side surface of the linear groove (7).

7. The machine body height adjusting device for the coal mining machine according to claim 2, characterized in that a second limiting block (28) is installed on the supporting base (3) close to one side of the supporting height adjusting device.

8. The machine body height adjusting device for the coal mining machine according to claim 5, wherein a dust cover (29) is fixedly installed on the base (1), a through hole is formed in the upper end of the dust cover (29), and the upper end of the hydraulic cylinder (23) penetrates through the through hole.