CN220199279U - Exogenous hydraulic power self-discharging mine car - Google Patents
Exogenous hydraulic power self-discharging mine car Download PDFInfo
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- CN220199279U CN220199279U CN202321999710.0U CN202321999710U CN220199279U CN 220199279 U CN220199279 U CN 220199279U CN 202321999710 U CN202321999710 U CN 202321999710U CN 220199279 U CN220199279 U CN 220199279U
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- mine car
- exogenous
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- box body
- hydraulic cylinder
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- 238000007599 discharging Methods 0.000 title claims description 6
- 230000007306 turnover Effects 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses an exogenous hydraulic power self-unloading mine car which comprises a mine car underframe, wherein the bottom of the mine car underframe is connected with a mine car wheel set, one side of the top of the mine car underframe is hinged with a turnover box body through a hinge shaft, the bottom of one side of the turnover box body, which is far away from the hinge shaft, is an inclined plane, and the mine car underframe is connected with a side-unloading assembly, a locking assembly and a jacking assembly. The jacking component adopts an exogenous hydraulic cylinder, the hydraulic cylinder is hinged with the mine car underframe and the overturning box body, and the overturning box body rotates along the bottom hinged shaft under the action of a hydraulic cylinder piston, so that the pull rod and the transverse part of the inverted L-shaped movable door are driven to extend, the inverted L-shaped movable door moves upwards, and the inverted L-shaped movable door is opened for unloading. The hydraulic cylinder is arranged externally, only needs to be installed during unloading, reduces the weight of the mine car, is flexible and convenient to connect, can be operated by a single person, and has a wide application range.
Description
Technical Field
The utility model relates to the field of mine cars, in particular to an exogenous hydraulic power self-discharging mine car.
Background
The coal mine construction requires a large amount of sand stone, cement and other materials, and the conventional transportation and unloading mode at present is to transport through a fixed mine car and adopt manual unloading, so that the unloading time is long, the labor intensity of workers is high, and the working efficiency is low. Moreover, the prior art adopts a cylinder to assist discharging, but the following problems exist in the mode: (1) The unloading of the air cylinder is unstable, the pressure of an air source under a mine is low, and the lifting is slow; (2) The hydraulic station and the hydraulic cylinder are fixed on the vehicle body in a matched manner, the weight of the vehicle body is heavy, and the occupied space is large; (3) The hydraulic cylinder is independently arranged on the vehicle body, the high-pressure rubber tube needs to be connected, and the dust prevention difficulty at the connecting pipe orifice is high. In addition, the adoption of the curved track side-dump type mine car needs to be sleeved with a curved track station and an unloading pit, and the cost is high. Therefore, under the condition that the running track of the coal mine vehicle is not changed and the auxiliary facilities of the unloading point are not added, the mining vehicle with side-unloading type automatic unloading is provided.
Disclosure of Invention
The utility model provides an exogenous hydraulic power self-unloading mine car, and aims to solve the problems of instability, high cost and low unloading efficiency in the existing cylinder unloading mode.
The utility model relates to an exogenous hydraulic power self-unloading mine car which comprises a mine car underframe, wherein the bottom of the mine car underframe is connected with a mine car wheel set, one side of the top of the mine car underframe is hinged with a turnover box body through a hinge shaft, the bottom of one side of the turnover box body, which is far away from the hinge shaft, is an inclined plane, and the mine car underframe is connected with a side-unloading assembly, a locking assembly and a jacking assembly;
the side unloading assembly comprises pull rods symmetrically arranged on one side of the chassis of the mine car, which is far away from the hinge shaft, the free ends of the pull rods are hinged with the end parts of the transverse parts of the inverted-L-shaped movable doors, and the centers of the transverse parts of the inverted-L-shaped movable doors are hinged with the overturning box body;
the locking assembly comprises a first fixing sleeve which is arranged on the inclined plane of the bottom of the overturning box body and is close to one end of the hinge shaft; the top of the mine car underframe is provided with a second fixed sleeve opposite to the first fixed sleeve, and an inverted L-shaped pin shaft is inserted into the second fixed sleeve through the first fixed sleeve;
the jacking component comprises an ear seat vertically arranged on the outer side of the inclined plane of the bottom of the turnover box body, a hydraulic cylinder is arranged below the inclined plane of the bottom of the turnover box body, a shaft hole matched with the ear seat is arranged at the piston end part of the hydraulic cylinder, and a connecting pin is inserted between the shaft hole and the ear seat; the hydraulic cylinder bottom is close to the mine car chassis one side and is equipped with the trunnion, and the mine car chassis is kept away from articulated shaft one end and is equipped with U type opening, and the trunnion inserts and locates in the U type opening.
Preferably, the locking assembly further comprises a limit stop and a positioning stop which are arranged on the overturning box body.
Preferably, the distance between the limit stop and the first fixing sleeve is H 1 The total length of the transverse part of the inverted L-shaped pin shaft inserted into the first fixing sleeve and the second fixing sleeve is H 2 ，1/2 H 2 ＜H 1 ＜H 2 。
Preferably, the distance between the positioning stop block and the first fixing sleeve is equal to the outer diameter of the longitudinal part of the inverted L-shaped pin shaft.
Preferably, the middle part of the pull rod is connected with the chassis of the mine car through a chain.
Preferably, the joint of the transverse part and the longitudinal part of the inverted L-shaped movable door is provided with a reinforcing rib.
Preferably, the trunnion outer diameter of the hydraulic cylinder is equal to the inner diameter of the U-shaped opening.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the exogenous hydraulic power self-unloading mine car, the side unloading assembly and the jacking assembly are arranged on the overturning box body of the mine car, the jacking assembly adopts the exogenous hydraulic cylinder, the hydraulic cylinder is hinged with the bottom frame of the mine car and the overturning box body, and the overturning box body rotates along the bottom hinged shaft under the action of the piston of the hydraulic cylinder, so that the pull rod and the transverse part of the inverted-L-shaped movable door are driven to extend, and the inverted-L-shaped movable door moves upwards to be opened for unloading. The hydraulic cylinder is arranged externally, only needs to be installed during unloading, reduces the weight of the mine car, is flexible and convenient to connect, can be operated by a single person, and has a wide application range.
2. The external source hydraulic power self-discharging car provided by the utility model has the advantages that the car body is in a closed state when not being discharged, and the transportation process is safer. The locking assembly that sets up includes the fixed cover of the first fixed cover on the upset box and the mine car chassis on the fixed cover of second, when not unloading, the fixed cover of first fixed cover of inserting of the upset L type round pin axle and the fixed cover of second is interior fixed, when unloading, pull out the fixed cover of the upset L type round pin axle in the second for the upset box can overturn and unload, and be equipped with location dog and limit stop on the upset box, adopt the location dog to fix the inserted upset L type round pin axle, guarantee that the upset L type round pin axle can not deviate or drop in the transportation, limit stop carries out spacingly to the upset L type round pin axle, guarantee that the upset L type round pin axle still inserts in the fixed cover of locating after pulling out the second, can not vibrate and drop, the convenient connection lock solid, in order to prevent that the accessory from losing.
3. The external hydraulic power self-unloading mine car provided by the utility model replaces a transmission cylinder unloading mode, and the hydraulic cylinder is driven to lift and fall back by the external explosion-proof hydraulic power station to finish side unloading and unloading of the mine car, so that the lifting speed is high. The hydraulic cylinder is assembled at any time without increasing the weight of the vehicle body, the occupied space is small, the connection is quick, the unloading is efficient, the transportation is stable, and an operator can finish unloading without approaching the dump truck, so that the time and the labor are saved.
Drawings
FIG. 1 is a schematic diagram of the operation of an exogenous hydraulic power dump truck of the present utility model;
FIG. 2 is a front view of the exogenous hydraulic power dump truck of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a left side view of the exogenous hydraulic power dump truck of the present utility model;
FIG. 5 is a schematic diagram of an inverted L-shaped pin connection of the present utility model;
in the figure: 1-a mine car wheel set; 2-a mine car underframe; a 21-U-shaped opening; 22-a second fixing sleeve; 3-a hinge shaft; 4-turning over the box body; 41-ear mount; 42-a first fixing sleeve; 43-limit stop; 44-positioning a stop block; 45-trunnion; 5-an inverted L-shaped movable door; 6, a pull rod; 7-an inverted L-shaped pin shaft; 8-a hydraulic cylinder; 9-reinforcing ribs; 10-chain.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-5, the utility model discloses an exogenous hydraulic power self-unloading mine car, which comprises a mine car underframe 2, wherein a mine car wheel set 1 is connected in a tile seat at the bottom of the mine car underframe 2, a roll-over box body 4 is hinged at one side of the top of the mine car underframe 2 through a hinge shaft 3, the bottom of one side of the roll-over box body 4, which is far away from the hinge shaft 3, is an inclined plane, and a side-unloading assembly, a locking assembly and a jacking assembly are connected to the mine car underframe 2;
the side unloading assembly comprises a pull rod 6 symmetrically hinged to one side of the mine car underframe 2 far away from the hinge shaft 3, the middle part of the pull rod 6 is connected with a bolt on the mine car underframe 2 through a chain 10, the free end of the pull rod 6 is hinged with the end part of the transverse part of the inverted-L-shaped movable door 5, the center of the transverse part of the inverted-L-shaped movable door 5 is hinged with the overturning box body 5, and a reinforcing rib 9 is welded at the joint of the transverse part and the longitudinal part of the inverted-L-shaped movable door 5;
the locking assembly comprises a first fixing sleeve 42 welded on the inclined surface of the bottom of the turnover box body 4 and close to one end of the hinge shaft 3; the top of the mine car underframe 2 is welded with a second fixed sleeve 22 opposite to the first fixed sleeve 42, and an inverted L-shaped pin shaft 7 is inserted into the second fixed sleeve 22 through the first fixed sleeve 42; the locking assembly also comprises a limit stop 43 and a positioning stop 44 welded on the roll-over box body 4, and the distance H between the limit stop 43 and the first fixing sleeve 42 1 10cm, the transverse portion of the inverted L-shaped pin 7 is inserted into the total length H of the first and second fixing sleeves 42 and 22 2 The distance between the positioning stop block 44 and the first fixing sleeve 42 is equal to the outer diameter of the longitudinal part of the inverted L-shaped pin shaft 7;
the jacking component comprises an ear seat 41 vertically welded on the outer side of the inclined surface of the bottom of the turnover box body 4, a hydraulic cylinder 8 is arranged below the inclined surface of the bottom of the turnover box body 4, a shaft hole matched with the ear seat 41 is formed in the piston end part of the hydraulic cylinder 8, and a connecting pin is inserted between the shaft hole and the ear seat 41; the hydraulic cylinder 8 cylinder bottom is close to mine car chassis 2 one side and is equipped with trunnion 45, and the mine car chassis 2 is kept away from articulated shaft 3 one end and is equipped with U type opening 21, and trunnion 45 external diameter equals with U type opening 21 internal diameter, inserts trunnion 45 and locates U type opening 21 internal fixation.
During unloading, parking braking is performed after a mine car enters a roadway unloading area, a locking assembly is opened, an inverted L-shaped pin shaft 7 in a second fixed sleeve 22 is pulled out along the direction of a first fixed sleeve 42, a limit stop 43 props against the longitudinal part of the inverted L-shaped pin shaft 7 to prevent falling, then a trunnion 45 at one side of the bottom of a hydraulic cylinder 8 is inserted into a U-shaped opening 21 of a mine car underframe 2, connecting pins are inserted into a shaft hole and a lug seat 41 at the piston end of the hydraulic cylinder 8 to fix the hydraulic cylinder 8, lifting of the hydraulic cylinder 8 is achieved through an external explosion-proof hydraulic power station (wherein the external explosion-proof hydraulic power station is in the prior art and is described in detail), the turnover box body 4 rotates around a hinged shaft 3, meanwhile, a pull rod 6 and the transverse part of the inverted L-shaped movable door 5 are synchronously stretched to drive the longitudinal part of the inverted L-shaped movable door 5 to open, the hydraulic cylinder 8 is maintained after the hydraulic cylinder 8 reaches a lifting limit position, at the moment, unloading is performed in a stable state, after unloading is completed, the material is poured out from one side of the longitudinal part of the turnover box body 4, which is close to the inverted L-shaped movable door 5, the hydraulic cylinder 8 is driven to rotate around the hinged shaft 3, and finally the turnover box body 4 is fixed, the hydraulic cylinder 8 is unloaded, and the pressure is fixed, and the locking assembly is completely, and the unloading is unloaded.
Claims (7)
1. The utility model provides an exogenous hydraulic power self-discharging mine car, includes mine car chassis (2), mine car chassis (2) bottom is connected with mine car wheelset (1), and mine car chassis (2) top one side articulates through articulated shaft (3) has roll-over box (4), and articulated shaft (3) one side bottom is kept away from in roll-over box (4) is the inclined plane, its characterized in that: the side unloading assembly, the locking assembly and the jacking assembly are connected to the mine car underframe (2);
the side unloading assembly comprises pull rods (6) symmetrically arranged on one side, far away from the hinge shaft (3), of the mine car underframe (2), the free ends of the pull rods (6) are hinged with the end parts of the transverse parts of the inverted-L-shaped movable doors (5), and the centers of the transverse parts of the inverted-L-shaped movable doors (5) are hinged with the overturning box body (4);
the locking assembly comprises a first fixing sleeve (42) which is arranged on the inclined surface of the bottom of the overturning box body (4) and is close to one end of the hinge shaft (3); the top of the mine car underframe (2) is provided with a second fixed sleeve (22) opposite to the first fixed sleeve (42), and an inverted L-shaped pin shaft (7) penetrates through the first fixed sleeve (42) and is inserted into the second fixed sleeve (22);
the jacking component comprises an ear seat (41) vertically arranged on the outer side of the inclined surface of the bottom of the turnover box body (4), a hydraulic cylinder (8) is arranged below the inclined surface of the bottom of the turnover box body (4), a shaft hole matched with the ear seat (41) is formed in the piston end part of the hydraulic cylinder (8), and a connecting pin is inserted into the shaft hole and the ear seat (41); the hydraulic cylinder (8) cylinder bottom is close to mine car chassis (2) one side and is equipped with trunnion (45), and mine car chassis (2) are kept away from articulated shaft (3) one end and are equipped with U type opening (21), and trunnion (45) are inserted and are located in U type opening (21).
2. An exogenous hydraulic power dump truck according to claim 1, wherein: the locking assembly further comprises a limit stop (43) and a positioning stop (44) which are arranged on the turnover box body (4).
3. An exogenous hydraulic power dump truck according to claim 2, wherein: the distance between the limit stop (43) and the first fixing sleeve (42) is H 1 The total length of the transverse part of the inverted L-shaped pin shaft (7) inserted into the first fixing sleeve (42) and the second fixing sleeve (22) is H 2 ，1/2 H 2 ＜H 1 ＜H 2 。
4. An exogenous hydraulic power dump truck according to claim 2, wherein: the distance between the positioning stop block (44) and the first fixing sleeve (42) is equal to the outer diameter of the longitudinal part of the inverted L-shaped pin shaft (7).
5. An exogenous hydraulic power dump truck according to claim 1, wherein: the middle part of the pull rod (6) is connected with the mine car underframe (2) through a chain (10).
6. An exogenous hydraulic power dump truck according to claim 1, wherein: reinforcing ribs (9) are arranged at the joint of the transverse part and the longitudinal part of the inverted L-shaped movable door (5).
7. An exogenous hydraulic power dump truck according to any one of claims 1-6, characterized by: the external diameter of a trunnion (45) of the hydraulic cylinder (8) is equal to the internal diameter of the U-shaped opening (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999710.0U CN220199279U (en) | 2023-07-27 | 2023-07-27 | Exogenous hydraulic power self-discharging mine car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999710.0U CN220199279U (en) | 2023-07-27 | 2023-07-27 | Exogenous hydraulic power self-discharging mine car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220199279U true CN220199279U (en) | 2023-12-19 |
Family
ID=89155381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321999710.0U Active CN220199279U (en) | 2023-07-27 | 2023-07-27 | Exogenous hydraulic power self-discharging mine car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220199279U (en) |
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2023
- 2023-07-27 CN CN202321999710.0U patent/CN220199279U/en active Active
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