CN111169503B

CN111169503B - Coal mine car with extensible connection structure

Info

Publication number: CN111169503B
Application number: CN202010096950.4A
Authority: CN
Inventors: 卞光凤
Original assignee: Wenzhou Perry Machinery Technology Co Ltd
Current assignee: Wenzhou Perry Machinery Technology Co., Ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-06-25
Anticipated expiration: 2040-02-17
Also published as: CN111169503A

Abstract

The invention provides a coal mine car with an extensible connecting structure, relates to the field of coal mine transportation, and solves the problems that under the action of tensile force or pushing force between two mine cars, the position of a pin hole is difficult and tedious to adjust, and a locking bolt needs to be manually locked; the small-sized coal blocks or the powder slag falling onto the rail are easily adhered to the roller, so that the roller vibrates when rotating. A coal mine car with an extensible connecting structure comprises a connecting seat A; the connecting seat A is fixedly connected to the rear end face of the mine car through a bolt. During the connection, when the screw thread was twisted and is moved two set screw and pricked into earth, constitute location structure between two set screw and the earth, screw thread rotation threaded rod can realize the connector and rotate adjusting well between the connecting seat this moment to can conveniently eliminate tensile force or the drive force between two mine cars, provide convenience for the connector with the connection of rotating the connecting seat, and the rotatable regulation of threaded rod can realize stretching out and drawing back adjusting well.

Description

Coal mine car with extensible connection structure

Technical Field

The invention belongs to the technical field of coal mine transportation, and particularly relates to a coal mine car with an extensible connecting structure.

Background

In the normal production process of a coal mine, coal under the mine needs to be loaded into a mine car and transported out of the mine shaft along a rail or to a coal storage point, and a plurality of mine cars are generally arranged and connected through a connecting structure.

As in application No.: the invention provides a mine car buffer connector with double buffering functions, which can prevent rigid collision of a mine car, relates to the field of mine car connectors, and particularly relates to a mine car buffer connector, which comprises a hydraulic cylinder, an oil storage tank, a buffer spring, a spring pressing plate, a lock nut, a bolt connecting end and a one-way throttle valve; the rod cavity of the hydraulic cylinder is communicated with the oil storage tank, and the rod cavity of the hydraulic cylinder is communicated with the rodless cavity of the hydraulic cylinder through an oil return channel; the one-way throttle valve is arranged in the oil return channel, and the one-way throttle direction is as follows: the rodless cavity of the hydraulic cylinder flows to the rod cavity of the hydraulic cylinder; the buffer spring is sleeved on a piston rod of the hydraulic cylinder. The buffer connector for the mine car has good anti-collision effect, and can effectively avoid collision deformation of the mine car.

The existing mine car has the following defects in connection and vibration prevention:

one is that when two mine cars are connected, under the action of tensile force or pushing force between the two mine cars, the adjustment of the positions of pin holes is laborious and tedious, and the locking bolts need to be manually locked, so that the quick connection is difficult to realize; moreover, the shockproof effect is weaker, and the mine car is in transportation process, and the coal cinder in the car hopper can drop because of orbital fluctuation, and the small-size coal cinder or the powder sediment that drop on the track easily adhere on the gyro wheel to produce the vibration when leading to the gyro wheel to rotate, if the too big phenomenon of turning on one's side that appears of vibration range.

In view of the above, the present invention provides a coal mine car with an extendable connecting structure, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a coal mine car with an extensible connecting structure, and aims to solve the problems that when two mine cars are connected, the adjustment of the positions of pin holes is laborious and tedious due to the action of tensile force or pushing force between the two mine cars, and locking bolts need to be manually locked, so that the quick connection is difficult to realize in the prior art; moreover, the shockproof effect is weaker, and the mine car is in transportation process, and the coal cinder in the car hopper can drop because of orbital fluctuation, and the small-size coal cinder or the powder sediment that drop on the track easily adhere on the gyro wheel to produce the vibration when leading to the gyro wheel to rotate, if the too big phenomenon of turning on one's side that appears of vibration range.

To a problem of (a).

The invention relates to a coal mine car with an extensible connecting structure, which has the purposes and effects achieved by the following specific technical means:

a coal mine car with an extensible connecting structure comprises a connecting seat A; the connecting seat A is fixedly connected to the rear end face of the mine car through a bolt, and a fixing screw is in threaded connection with the connecting seat A; the connecting seat B is fixedly connected to the front end face of the mine car through a bolt, and a fixing screw is also in threaded connection with the connecting seat B; the connecting seat B is connected with the connecting seat A through a locking rod, and two buffer structures are symmetrically welded on the top end face of the connecting seat B; the locking rod comprises a locking pin, a stressed block, an elastic part B and an unlocking rod, the locking pin is connected in the locking rod in a sliding mode, and the stressed block is welded on the locking pin; the locking rod is internally provided with an elastic part B for elastic resetting of the locking pin, the head end of the locking pin is of an inclined structure, when the locking pin passes through the locking hole on the rotating connecting seat for locking, the locking hole can extrude the locking pin to elastically contract, and the locking pin can automatically pop out to complete locking after the locking pin is inserted; the unlocking rod further comprises an unlocking block, the unlocking rod is connected in the locking rod in a sliding mode, and the unlocking block is welded on the unlocking rod; the unlocking block is in contact with the stress block, and the contact surface of the unlocking block is of an inclined structure, so that the unlocking of the locking pin can be automatically completed when the unlocking rod is pulled upwards; four cleaning structures are welded on the mine car.

Further, the connecting seat A comprises a rubber block A and a rotary connecting seat, the rubber block A is embedded in the front end face of the connecting seat A, and the rotary connecting seat is welded on the front end face of the connecting seat A; the connecting seat B comprises a rubber block B, a threaded connecting seat, a threaded rod and a connecting head, wherein the rubber block B is embedded in the front end face of the connecting seat B, and the rubber block B is aligned with and contacts with the rubber block A; the top end face of the connecting seat B is welded with a threaded connecting seat, and a threaded rod is connected to the threaded connecting seat in a threaded manner; the threaded rod head end is rotatably connected with a connector, and a connecting hole in the connector is of a strip-shaped hole structure.

Furthermore, the head end of the fixing screw rod is of a conical structure, and when the screw threads are screwed into the fixing screw rods and the fixing screw rods are pricked into soil, a positioning structure is formed between the fixing screw rods and the soil.

Furthermore, the buffer structure comprises sliding connection seats, sliding rods and an elastic piece A, the two sliding connection seats are symmetrically welded on the top end face of the connection seat B, and each sliding rod is connected to each of the two sliding connection seats in a sliding mode; and two elastic pieces A are sleeved on the sliding rods, the sliding rods are in contact with the mine car on the front side when the mine car buffers impact, and the sliding rods and the elastic pieces A jointly form an elastic damping structure.

Furthermore, the cleaning structure comprises four main body blocks and scraping blocks, and the four main body blocks are welded at the front side positions of four rollers of the mine car respectively; every all the welding has one on the main part piece to scrape the piece, and scrape the gyro wheel contact of piece head end and mine car to scrape the piece head end and be the slope column structure.

Furthermore, the cleaning structure also comprises a cleaning block, two cylindrical rods and an elastic piece C, wherein the top end face of the cleaning block is symmetrically welded with the two cylindrical rods, and the two cylindrical rods are both connected in the main body block in a sliding manner; the outer walls of the two cylindrical rods are sleeved with an elastic part C, the cleaning block is in contact with the rail under the elastic action of the elastic part C, and the cleaning block, the cylindrical rods and the elastic part C jointly form an elastic cleaning structure.

Compared with the prior art, the invention has the following beneficial effects:

improved connection structure, when two mine cars are connected, when the screw thread was twisted and was moved two clamping screw and pricked into earth, constitute location structure between two clamping screw and the earth, screw thread rotation threaded rod can realize the connector and rotate adjusting well between the connecting seat this moment to can conveniently eliminate tensile force or the drive force between two mine cars, provide convenience for the connection of connector and rotation connecting seat, and the rotatable regulation of threaded rod can realize stretching out and drawing back adjusting well.

Through the arrangement of the locking rod, the head end of the locking pin is of an inclined structure during locking, when the locking pin passes through the locking hole in the rotary connecting seat for locking, the locking hole can extrude the locking pin to elastically contract, and the locking pin can automatically pop out to complete locking after the locking pin is inserted; when the unlocking rod is pulled upwards, the unlocking pin can be automatically unlocked.

Through the arrangement of the cleaning structure, on one hand, the head end of the scraping block is in contact with the roller of the mine car, and the head end of the scraping block is of an inclined structure, so that the residue on the roller can be automatically cleaned in the moving process of the mine car; on the other hand, the cleaning block is contacted with the rail under the elastic force of the elastic part C, and the cleaning block, the cylindrical rod and the elastic part C form an elastic cleaning structure together, so that the cleaning of residues on the rail can be automatically realized in the moving process of the mine car.

This device adopts diversified shock-absorbing structure, and the shock attenuation effect is obvious, and when the buffering, the threaded rod head end is rotated and is connected with a connector, and the connecting hole on the connector is bar hole column structure to collision between accessible block rubber B and the block rubber A damps, and slide bar and front side mine car contact when two mine car buffering clashes, and slide bar and elastic component A constitute elasticity shock-absorbing structure jointly, thereby further improve the shock attenuation effect.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is an enlarged schematic axial view of the connection structure of the present invention.

Fig. 3 is a schematic view of the present invention in an axially disassembled configuration as shown in fig. 2.

Fig. 4 is an enlarged, axial view of the cleaning structure of the present invention.

Fig. 5 is a front view schematically showing the connection structure of the present invention when it is connected.

FIG. 6 is an enlarged, isometric view of the latch attachment of the present invention.

Fig. 7 is a cross-sectional enlarged structural view of the locking lever of the present invention.

Fig. 8 is an enlarged view of the structure of fig. 7 a according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a connecting seat A; 101. a rubber block A; 102. rotating the connecting seat; 2. fixing the screw rod; 3. a connecting seat B; 301. a rubber block B; 302. a threaded connection base; 303. a threaded rod; 304. a connector; 4. a buffer structure; 401. a sliding connection seat; 402. a slide bar; 403. an elastic member A; 5. a locking lever; 501. a locking pin; 50101. a stress block; 502. an elastic member B; 503. an unlocking lever; 50301. unlocking the block; 6. cleaning the structure; 601. a main body block; 602. scraping the block; 603. cleaning the block; 604. a cylindrical rod; 605. an elastic member C; 7. a mine car.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a coal mine car with an extensible connecting structure, which comprises a connecting seat A1; the connecting seat A1 is fixedly connected to the rear end face of the mine car 7 through bolts, and a fixing screw rod 2 is connected to the connecting seat A1 in a threaded manner; the connecting seat B3 is fixedly connected to the front end surface of the mine car 7 through bolts, and the connecting seat B3 is also in threaded connection with a fixing screw 2; the connecting seat B3 and the connecting seat A1 are connected through the locking rod 5, and the top end face of the connecting seat B3 is symmetrically welded with two buffer structures 4; referring to fig. 7 and 8, the locking lever 5 includes a locking pin 501, a force-receiving block 50101, an elastic member B502, and an unlocking lever 503, the locking pin 501 is slidably connected in the locking lever 5, and the force-receiving block 50101 is welded on the locking pin 501; an elastic part B502 for elastic resetting of the locking pin 501 is further arranged in the locking rod 5, the head end of the locking pin 501 is of an inclined structure, when the locking pin 501 passes through the locking hole in the rotary connecting seat 102 to be locked, the locking hole can extrude the locking pin 501 to elastically contract, and after the locking pin 501 is inserted into the locking hole, the locking pin 501 can automatically pop out to complete locking; referring to fig. 8, the unlocking lever 503 further includes an unlocking block 50301, the unlocking lever 503 is slidably connected in the locking lever 5, and the unlocking lever 503 is welded with the unlocking block 50301; the unlocking block 50301 is in contact with the force-bearing block 50101, and the contact surfaces of the unlocking block 50301 and the force-bearing block 50101 are all of inclined structures, so that the unlocking of the locking pin 501 can be automatically completed when the unlocking rod 503 is pulled upwards; four cleaning structures 6 are welded on the mine car 7.

Referring to fig. 2, the connecting seat A1 includes a rubber block a101 and a rotary connecting seat 102, the front end surface of the connecting seat A1 is inlaid with a rubber block a101, and the front end surface of the connecting seat A1 is welded with a rotary connecting seat 102; the connecting seat B3 comprises a rubber block B301, a threaded connecting seat 302, a threaded rod 303 and a connecting head 304, the front end face of the connecting seat B3 is embedded with the rubber block B301, and the rubber block B301 and the rubber block A101 are aligned and contacted; the top end face of the connecting seat B3 is welded with a threaded connecting seat 302, and a threaded rod 303 is connected to the threaded connecting seat 302 in a threaded manner; the head end of the threaded rod 303 is rotatably connected with a connector 304, and a connecting hole in the connector 304 is of a strip-shaped hole structure, so that the shock absorption of collision between the rubber block B301 and the rubber block A101 can be met.

Referring to fig. 5, the head end of the fixing screw 2 is tapered, and when the two fixing screws 2 are screwed and pricked into the soil, a positioning structure is formed between the two fixing screws 2 and the soil, and at this time, the screw rotating threaded rod 303 can realize the alignment between the connector 304 and the rotating connecting seat 102.

Referring to fig. 2, the buffer structure 4 comprises sliding connection seats 401, sliding rods 402 and elastic pieces a403, wherein two sliding connection seats 401 are symmetrically welded on the top end surface of a connection seat B3, and each sliding rod 402 is slidably connected to each of the two sliding connection seats 401; an elastic part A403 is sleeved on each of the two sliding rods 402, the sliding rods 402 are in contact with the front side mine car 7 when the two mine cars 7 buffer impact, and the sliding rods 402 and the elastic parts A403 jointly form an elastic damping structure, so that the damping effect is further improved.

Referring to fig. 1 and 4, the cleaning structure 6 comprises a main body block 601 and a scraping block 602, the number of the main body blocks 601 is four, and the four main body blocks 601 are respectively welded at the front side positions of four rollers of the mine car 7; each main body block 601 is welded with a scraping block 602, the head end of the scraping block 602 is in contact with the roller of the mine car 7, and the head end of the scraping block 602 is of an inclined structure, so that the cleaning of residues on the roller is automatically realized in the moving process of the mine car 7.

Referring to fig. 5, the cleaning structure 6 further includes a sweeping block 603, two cylindrical rods 604 and an elastic member C605, wherein two cylindrical rods 604 are symmetrically welded on the top end surface of the sweeping block 603, and both cylindrical rods 604 are slidably connected in the main body block 601; the outer walls of the two cylindrical rods 604 are sleeved with an elastic part C605, the cleaning block 603 is in contact with the rail under the elastic action of the elastic part C605, and the cleaning block 603, the cylindrical rods 604 and the elastic part C605 form an elastic cleaning structure together, so that the residue on the rail can be automatically cleaned in the moving process of the mine car 7.

The specific use mode and function of the embodiment are as follows:

when the shock absorption device is used, during buffering, the head end of the threaded rod 303 is rotatably connected with the connecting head 304, the connecting hole in the connecting head 304 is of a strip hole-shaped structure, so that shock absorption can be achieved through collision between the rubber block B301 and the rubber block A101, the sliding rod 402 is in contact with the front mine car 7 when two mine cars 7 are in shock absorption, and the sliding rod 402 and the elastic piece A403 jointly form an elastic shock absorption structure, so that the shock absorption effect is further improved;

when two mine cars 7 are connected, when two fixing screw rods 2 are screwed by threads and are pricked into soil, a positioning structure is formed between the two fixing screw rods 2 and the soil, and at the moment, the threaded rotating threaded rod 303 can realize the alignment between the connector 304 and the rotating connecting seat 102, so that the tensile force or the driving force between the two mine cars can be conveniently eliminated, and convenience is provided for the connection between the connector 304 and the rotating connecting seat 102;

through the arrangement of the locking rod 5, when the locking is carried out, the head end of the locking pin 501 is of an inclined structure, when the locking pin 501 passes through the locking hole in the rotary connecting seat 102 for locking, the locking hole can extrude the locking pin 501 to elastically contract, and after the locking pin 501 is inserted, the locking pin 501 can be automatically ejected out to complete locking; during unlocking, the unlocking block 50301 is in contact with the stress block 50101, and the contact surfaces are all in an inclined structure, so that the unlocking of the locking pin 501 can be automatically completed when the unlocking rod 503 is pulled upwards;

through the arrangement of the cleaning structure 6, on one hand, the head end of the scraping block 602 is in contact with the roller of the mine car 7, and the head end of the scraping block 602 is of an inclined structure, so that the residue on the roller can be automatically cleaned in the moving process of the mine car 7; on the other hand, the cleaning block 603 is in contact with the rail by the elastic force of the elastic member C605, and the cleaning block 603, the cylindrical rod 604 and the elastic member C605 together constitute an elastic cleaning structure, so that the cleaning of the residue on the rail can be automatically realized during the movement of the mine car 7.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a coal mine car with extensible connection structure which characterized in that: comprises a connecting seat A (1); the connecting seat A (1) is fixedly connected to the rear end face of the mine car (7) through a bolt, and a fixing screw rod (2) is connected to the connecting seat A (1) in a threaded mode; the front end face of the mine car (7) is fixedly connected with a connecting seat B (3) through a bolt, and the connecting seat B (3) is also in threaded connection with a fixing screw rod (2); the connecting seat B (3) is connected with the connecting seat A (1) through a locking rod (5), and two buffer structures (4) are symmetrically welded on the top end surface of the connecting seat B (3); the locking rod (5) comprises a locking pin (501), a stressed block (50101), an elastic piece B (502) and an unlocking rod (503), the locking pin (501) is connected in the locking rod (5) in a sliding mode, and the stressed block (50101) is welded on the locking pin (501); an elastic part B (502) used for elastically resetting the locking pin (501) is further arranged in the locking rod (5), and the head end of the locking pin (501) is of an inclined structure; the unlocking rod (503) further comprises an unlocking block (50301), the unlocking rod (503) is connected in the locking rod (5) in a sliding mode, and the unlocking rod (503) is welded with the unlocking block (50301); the unlocking block (50301) is in contact with the stress block (50101), and the contact surface is of an inclined structure; four cleaning structures (6) are welded on the mine car (7).

2. A coal mine car with an extendable linkage according to claim 1, wherein: the connecting seat A (1) comprises a rubber block A (101) and a rotary connecting seat (102), the rubber block A (101) is embedded in the front end face of the connecting seat A (1), and the rotary connecting seat (102) is welded on the front end face of the connecting seat A (1); the connecting seat B (3) comprises a rubber block B (301), a threaded connecting seat (302), a threaded rod (303) and a connecting head (304), the rubber block B (301) is embedded in the front end face of the connecting seat B (3), and the rubber block B (301) and the rubber block A (101) are aligned and contacted; the top end face of the connecting seat B (3) is welded with a threaded connecting seat (302), and a threaded rod (303) is in threaded connection with the threaded connecting seat (302); the head end of the threaded rod (303) is rotatably connected with a connector (304), and a connecting hole in the connector (304) is of a strip-shaped hole structure.

3. A coal mine car with an extendable linkage according to claim 1, wherein: the head end of the fixing screw rod (2) is of a conical structure, and when the screw thread is screwed to move two fixing screw rods (2) and the soil is pricked into, a positioning structure is formed between the fixing screw rods (2) and the soil.

4. A coal mine car with an extendable linkage according to claim 1, wherein: the buffer structure (4) comprises sliding connection seats (401), sliding rods (402) and an elastic piece A (403), the two sliding connection seats (401) are symmetrically welded on the top end face of the connection seat B (3), and each sliding rod (402) is connected to each sliding connection seat (401) in a sliding mode; and the two sliding rods (402) are sleeved with an elastic part A (403), when the two mine cars (7) buffer impact, the sliding rods (402) are in contact with the mine car (7) on the front side, and the sliding rods (402) and the elastic part A (403) jointly form an elastic shock absorption structure.

5. A coal mine car with an extendable linkage according to claim 1, wherein: the cleaning structure (6) comprises four main body blocks (601) and four scraping blocks (602), wherein the four main body blocks (601) are respectively welded at the front side positions of four rollers of the mine car (7); each main body block (601) is welded with a scraping block (602), the head end of each scraping block (602) is in contact with a roller of the mine car (7), and the head end of each scraping block (602) is of an inclined structure.

6. A coal mine car with an extendable linkage according to claim 1, wherein: the cleaning structure (6) further comprises a cleaning block (603), two cylindrical rods (604) and an elastic piece C (605), wherein the two cylindrical rods (604) are symmetrically welded on the top end surface of the cleaning block (603), and the two cylindrical rods (604) are both connected in the main body block (601) in a sliding manner; the outer walls of the two cylindrical rods (604) are sleeved with an elastic piece C (605), the cleaning block (603) is in contact with the rail under the elastic action of the elastic piece C (605), and the cleaning block (603), the cylindrical rods (604) and the elastic piece C (605) jointly form an elastic cleaning structure.