CN212423130U

CN212423130U - Novel fixed mine car of buffering

Info

Publication number: CN212423130U
Application number: CN202020247586.2U
Authority: CN
Inventors: 渠青
Original assignee: Shandong China Coal Industrial & Mining Supplies Group Co ltd
Current assignee: Shandong China Coal Industrial & Mining Supplies Group Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-29
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a novel buffering fixed mine car, belonging to the technical field of mining equipment, comprising buffering devices arranged at the front end and the rear end of a mine car chassis; the method is characterized in that: both ends around the mine car chassis be connected with fixed steel sheet between the stopper seat, the pneumatic buffer includes main pneumatic buffer and supplementary pneumatic buffer, the beneficial effects of the utility model are that: the two bumping bases are connected together by steel plates, so that the chassis of the mine car is firmer and more stable; the main air buffer and the auxiliary air buffer are creatively arranged, pressure can be timely relieved when the main air buffer is subjected to extreme pressure, the boosting and reverse boosting effects are achieved according to the boosting heads of the auxiliary air buffers connected in series, the damage of rubber collision heads is avoided, and the use of the buffers is integrally guaranteed.

Description

Novel fixed mine car of buffering

The technical field is as follows:

the utility model belongs to the technical field of mining equipment, more specifically relates to a novel buffer fixed mine car.

Background art:

the rubber mine car collision head is a new type rubber mine car collision head for preventing collision of mine car used for mine transportation. Comprises a collision body, wherein clamping grooves are arranged on two sides of the collision body, a positioning hole is arranged at one end of the collision body, and a jack which is communicated up and down is arranged in the middle of the collision body; the collision body is arranged in the underframe of the mine car through the clamping groove and the positioning hole, one end of the collision body extends out of the underframe, and one end of the collision body extending out of the underframe is provided with the anti-collision cap. When collision occurs, the buffer and anti-collision device not only can play a role in buffering and anti-collision, but also can play a role in isolation. Therefore, the anti-collision device has the characteristics of better anti-collision function, simple structure, convenience in installation and use, low cost and the like.

The rubber collision head is easy to damage when the structure is collided and absorbs acting force, and the conventional fixed type mine car carriage is fixedly connected with the frame, so that the mine car needs to be overturned and unloaded by a car dumper. The rubber mine car collision head is also provided with a buffer, and the large mine car adopts an automatic coupler with the buffer function.

The buffer device of the fixed mine car is only suitable for the mine area not affected by the geological environment, the stress of the fixed mine car with the structure in the mine area in the complex geological environment cannot meet the requirement, the acting force is unbalanced, the buffer device of the mine car is easily damaged, and the fixed mine car is scrapped.

The utility model has the following contents:

in order to solve the problems and overcome the defects of the prior art, the utility model provides a novel buffering fixed mine car;

the first technical problem to be solved is that: the buffer device of fixed mine car only is applicable to the mining area that does not receive geological environment influence, and to this structure fixed mine car atress of mining area of complicated geological environment can not reach the requirement, the effort is unbalanced, causes the buffer device of mine car to damage easily, leads to fixed mine car to scrap.

The utility model provides a concrete technical scheme of above-mentioned technical problem does: the novel buffering fixed mine car comprises buffering devices arranged at the front end and the rear end of a mine car chassis; buffer includes and bumps the head seat, and sets up air buffer and the head of bumping on bumping the head seat, its characterized in that: a fixed steel plate is connected between the bumping seats at the front end and the rear end of the mine car chassis, the air pressure buffer comprises a main air pressure buffer and an auxiliary air pressure buffer,

a main air pressure buffer is arranged on the central axis of the upper end surface of the head seat, and auxiliary air pressure buffers are symmetrically arranged on two sides of the main air pressure buffer;

the buffer head at the front end of the main pneumatic buffer is connected with a collision head through a fixed support, the buffer head of the auxiliary pneumatic buffer is fixedly provided with a push assisting head, the collision head is provided with a through hole for the push assisting head to perform pulling motion along the axis direction, and a vent valve of the cavity of the main pneumatic buffer is connected with the cavity of the auxiliary pneumatic buffer through a steel pipe.

Further, the pneumatic buffer comprises a cylinder body, a cavity is arranged in the cylinder body, a piston rod which can move in a drawing mode is arranged in the cavity, a piston and a compression spring are arranged at one end of the piston rod, a buffer head is arranged at the other end of the piston rod, a guide seat and a sealing piece are arranged in the middle of the piston rod, and a vent valve leading to the outer side of the cylinder body is arranged in the cavity.

Further, the vent valve is provided in the form of a pressure valve structure having a pressure threshold.

Further, the collision head seat is fixed with a side beam of the mine car chassis through bolts, and the inner side of the collision head seat is connected with a fixed steel plate.

Furthermore, the main air pressure buffer and the auxiliary air pressure buffer are fixedly connected with the collision head seat through bolts.

The utility model has the advantages that:

the two bumping bases in the buffer device of the fixed mine car are connected together by the steel plate, so that the chassis of the mine car is firmer and more stable, and when the mine car is influenced by geological environment, the buffer device and the chassis of the mine car cannot be influenced to deform, thereby playing a role in double guarantee, avoiding accidents, ensuring normal production and operation and providing guarantee for the safe production of a coal mine;

the main air buffer and the auxiliary air buffer are creatively arranged, pressure can be timely relieved when the main air buffer is subjected to extreme pressure, the boosting and reverse boosting effects are achieved according to the boosting heads of the auxiliary air buffers connected in series, the damage of rubber collision heads is avoided, and the use of the buffers is integrally guaranteed.

Description of the drawings:

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic structural view of the front view of the present invention;

FIG. 3 is a schematic diagram of a prior art pneumatic shock absorber; in the drawings:

1. a carriage; 2. bumping head; 3. fixing a steel plate; 4. a boundary beam; 5. a wheel set; 6. an auxiliary pneumatic buffer; 7. a main pneumatic buffer; 8. a head base; 9. a boosting head; 11. a cylinder body; 12. a compression spring; 13. a piston; 14. a vent valve; 15. a piston rod; 16. a guide seat; 17. a seal member; 18. and a buffer head.

The specific implementation mode is as follows:

to further clarify the objects, aspects and advantages of the present invention, a more complete description of the invention will now be rendered by reference to figures 1-3. In describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model discloses a concrete implementation mode: the novel buffering fixed mine car comprises buffering devices arranged at the front end and the rear end of a mine car chassis; the buffer device comprises a collision head seat 8, and an air pressure buffer and a collision head 2 which are arranged on the collision head seat 8, a fixed steel plate 3 is connected between the collision head seats 8 at the front end and the rear end of the mine car chassis, the air pressure buffer comprises a main air pressure buffer 7 and an auxiliary air pressure buffer 6,

a main air pressure buffer 7 is arranged on the central axis of the upper end surface of the head seat 8, and auxiliary air pressure buffers 6 are symmetrically arranged on two sides of the main air pressure buffer 7;

the buffer head 18 positioned at the front end of the main pneumatic buffer 7 is connected with the collision head 2 through a fixed support, the buffer head 18 of the auxiliary pneumatic buffer 6 is fixedly provided with the push assisting head 9, the collision head 2 is provided with a through hole for drawing and pulling the push assisting head 9 along the axial direction, and the vent valve 14 of the cavity of the main pneumatic buffer 7 is connected with the cavity of the auxiliary pneumatic buffer 6 through a steel pipe.

Further, the pneumatic buffer comprises a cylinder body 11, a cavity is arranged in the cylinder body 11, a piston rod 15 which can move in a drawing mode is arranged in the cavity, a piston 13 and a compression spring 12 are arranged at one end of the piston rod 15, a buffer head 18 is arranged at the other end of the piston rod 15, a guide seat 16 and a sealing piece 17 are arranged in the middle of the piston rod 15, and a vent valve 14 leading to the outer side of the cylinder body 11 is arranged in the cavity.

Further, the vent valve 14 is provided in the form of a pressure valve structure having a pressure threshold.

Further, the collision head base 8 is fixed with the edge beam 4 of the mine car chassis through bolts, and the inner side of the collision head base 8 is connected with the fixed steel plate 3.

Furthermore, the main pneumatic buffer 7 and the auxiliary pneumatic buffer 6 are fixedly connected with the head-hitting seat 8 through bolts.

It is to be noted that the utility model relates to a novel buffering fixed mine car, when in concrete work,

1. when the mine car is frequently impacted and stressed in a mining area of a complex geological environment, the fixing steel plates 3 are connected between the collision head seats 8 at the front end and the rear end of the mine car chassis, so that part of transverse acting force is counteracted, the acting force on the boundary beam 4 of the mine car chassis is greatly reduced, and the damage to the boundary beam 4 of the mine car chassis is reduced;

2. when the mine car is impacted and stressed in a mining area of a complex geological environment, the collision head 2 is squeezed and impacted, air in the main pneumatic buffer 7 and the compression spring 12 are compressed, when a limit set threshold value is reached, the vent valve 14 is decompressed, high-pressure air enters a cavity of the auxiliary pneumatic buffer 6 through a pipeline to push a piston 13, a piston rod 15, a buffer head 18 and a boosting head 9 of the auxiliary pneumatic buffer 6 to move, the boosting head 9 pushes the collision head 2 and/or the buffer head 18 of the mine car in front, and damage to the collision head 2 caused by impact force is reduced through reverse propulsion.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The novel buffering fixed mine car comprises buffering devices arranged at the front end and the rear end of a mine car chassis; buffer includes and bumps head seat (8), and sets up atmospheric pressure buffer and bump head (2) on bumping head seat (8), its characterized in that: a fixed steel plate (3) is connected between the bumping seats (8) at the front end and the rear end of the mine car chassis, the air pressure buffer comprises a main air pressure buffer (7) and an auxiliary air pressure buffer (6),

a main air pressure buffer (7) is arranged on the central axis of the upper end surface of the head seat (8), and auxiliary air pressure buffers (6) are symmetrically arranged on two sides of the main air pressure buffer (7);

the buffer head (18) positioned at the front end of the main pneumatic buffer (7) is connected with the collision head (2) through a fixing support, the buffer head (18) of the auxiliary pneumatic buffer (6) is fixedly provided with a push assisting head (9), the collision head (2) is provided with a through hole for drawing and pulling the push assisting head (9) along the axial direction, and a vent valve (14) of the cavity of the main pneumatic buffer (7) is connected with the cavity of the auxiliary pneumatic buffer (6) through a steel pipe.

2. The novel fixed buffer mine car according to claim 1, wherein the pneumatic buffer comprises a cylinder (11), a cavity is arranged in the cylinder (11), a piston rod (15) which can be drawn and pulled is arranged in the cavity, a piston (13) and a compression spring (12) are arranged at one end of the piston rod (15), a buffer head (18) is arranged at the other end of the piston rod (15), a guide seat (16) and a sealing element (17) are arranged in the middle of the piston rod (15), and a vent valve (14) leading to the outer side of the cylinder (11) is arranged in the cavity.

3. A new buffer stationary mine car according to claim 2, characterised in that the ventilation valve (14) is provided in the form of a pressure valve arrangement with a pressure threshold.

4. The novel buffer fixed mine car according to claim 1, wherein the bumper head seat (8) is fixed with the edge beam (4) of the mine car chassis through bolts, and the inner side of the bumper head seat (8) is connected with the fixed steel plate (3).

5. The novel fixed buffer mine car as claimed in claim 1, wherein the main pneumatic buffer (7) and the auxiliary pneumatic buffer (6) are fixedly connected with the tap base (8) through bolts.