CN220180769U - Sand sliding and blocking side-dump mine car - Google Patents
Sand sliding and blocking side-dump mine car Download PDFInfo
- Publication number
- CN220180769U CN220180769U CN202321999707.9U CN202321999707U CN220180769U CN 220180769 U CN220180769 U CN 220180769U CN 202321999707 U CN202321999707 U CN 202321999707U CN 220180769 U CN220180769 U CN 220180769U
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- sand
- mine car
- blocking
- box body
- inverted
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- 239000004576 sand Substances 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 title claims abstract description 13
- 230000007306 turnover Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The utility model discloses a sand-sliding sand-blocking side-dump type 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 turning box body through a hinge shaft, the bottom of one side of the turning box body, which is far away from the hinge shaft, is an inclined plane, and the mine car underframe is connected with a side-dump assembly, a locking assembly, a jacking assembly and a sand-sliding sand-blocking assembly; the jacking component adopts an external hydraulic cylinder, and the overturning box body rotates along the bottom hinged shaft under the action of the hydraulic cylinder, 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 to be opened for unloading, the hydraulic cylinder is external and only needs to be installed during unloading, the weight of a mine car is reduced, the connection is flexible and convenient, the operation can be performed by a single person, and the application range is wide; the sand sliding and blocking assembly can enable the material to flow to a place far away from the track, so that the material is prevented from being accumulated in the side of the track, and the occurrence of safety accidents of derailment or derailment of a mine car is avoided, and the safety is high.
Description
Technical Field
The utility model relates to the field of mine cars, in particular to a sand-sliding sand-blocking side-dump mine car.
Background
The coal mine construction requires a large amount of sand stone, cement and other materials, and the unloading curve cannot be constructed because the mine construction site is not fixed and the roadway space is limited, and the unloading is performed in a way of unloading pits, so that the conventional transportation and unloading way is that the fixed mine car is used for transportation and manual unloading, 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, a high-pressure rubber tube needs to be connected, and the dust prevention difficulty at the pipe orifice of the connection is high; (4) During unloading, sand, cement and other materials are piled up beside the track, and overflow onto the track easily after being piled up too high, so that the mine car is prevented from running, and potential safety hazards of derailment or derailment of the mine car exist.
Disclosure of Invention
The utility model provides a sand-sliding sand-blocking side-dump mine car, and aims to solve the problems that an existing cylinder unloading mode is unstable in unloading, unloading efficiency is low, materials are accumulated in the side of a track, and potential safety hazards of derailment or derailment of the mine car exist.
The utility model relates to a sand-sliding sand-blocking side-dump type 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 overturning box body through a hinge shaft, the bottom of one side of the overturning box body, which is far away from the hinge shaft, is an inclined plane, and the mine car underframe is connected with a side-dump assembly, a locking assembly, a jacking assembly and a sand-sliding sand-blocking 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; a trunnion is arranged at one side of the bottom of the hydraulic cylinder, which is close to the bottom frame of the mine car, and a U-shaped opening is arranged at one end, which is far away from the hinge shaft, of the bottom frame of the mine car, and the trunnion is inserted into the U-shaped opening;
the sand-sliding sand-blocking assembly comprises a sand-sliding sand-blocking plate, one end of the sand-sliding sand-blocking plate is hinged with the hinge shaft, side baffles are symmetrically arranged on two sides of the top of the sand-sliding sand-blocking plate, lifting arms are arranged on the outer sides of the side baffles, one end of each lifting arm is fixedly connected with a third hinge sleeve sleeved on the hinge shaft and then hinged with the hinge shaft, and a hanging chain is connected to the other end of each lifting arm; hooks are symmetrically arranged on the outer side of the turnover box body, and the hanging chains are hung on the hooks.
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.
Preferably, the side guards are trapezoidal in shape.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the sand-sliding sand-blocking side-dump type mine car, the side-dump assembly and the jacking assembly are arranged on the overturning box body of the mine car, the jacking assembly is an exogenous hydraulic cylinder, the hydraulic cylinder is hinged with the bottom frame and the overturning box body, and the overturning box body rotates along the bottom hinged shaft under the action of a 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. According to the side-dump type mine car with the sand-sliding sand-blocking function, the sand-sliding sand-blocking component is arranged on the discharging side of the overturning box body, materials in the overturning box body flow away from the track after being guided by the sand-sliding sand-blocking plate, so that the materials are prevented from being accumulated in the side of the track and overflow to the track to block the mine car from traveling, the occurrence of safety accidents of derailment or derailment of the mine car is avoided, the safety is high, the side baffles on the two sides of the sand-sliding sand-blocking plate can prevent sand from leaking, the materials on the two sides can be restrained by the convection, the material tiling area is prevented from being larger, and more roadway space is occupied.
3. The side-dump type mine car with the sand sliding and blocking functions has the advantages that the car body is in a closed state when not being unloaded, 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.
4. The side-dump type mine car with sand sliding and sand blocking replaces a transmission cylinder discharging mode, and the hydraulic cylinder is driven to lift and fall back by an external explosion-proof hydraulic power station to finish side-dump discharging 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 a side dump truck with sand retention according to the present utility model;
FIG. 2 is a front view of the sand-blocking side dump car 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 sand-blocking side dump car of the present utility model;
FIG. 5 is a schematic diagram of an inverted L-shaped pin connection of the present utility model;
FIG. 6 is a schematic diagram of the connection of the sand slide and baffle assembly of the present utility model to the roll-over housing;
in the figure: 1-a mine car wheel set; 2-a mine car underframe; a 21-U-shaped opening; 22-a second fixing sleeve; 23-a first hinge 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; 46-a second hinge sleeve; 47-hooking; 5-an inverted L-shaped movable door; 6, a pull rod; 7-an inverted L-shaped pin shaft; 8-a hydraulic cylinder; 9-a sand slip blocking assembly; 91-a sand slip baffle; 92-lifting arm; 93-a third hinge sleeve; 94-side baffles; 95-hanging chains; 10-a chain; 11-reinforcing ribs.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-6, the utility model is a sand-sliding sand-blocking side-dump mine car, comprising 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, one end of the mine car underframe 2 is hinged with a hinge shaft 3 through a first hinge sleeve 23 sleeved on the hinge shaft 3, one side of the top of the mine car underframe 2 is hinged with a roll-over box body 4 through a second hinge sleeve 46 sleeved on the hinge shaft 3, the bottom of one side of the roll-over box body 4 far away from the hinge shaft 3 is an inclined plane, and a side-dump assembly, a locking assembly, a jacking assembly and a sand-sliding sand-blocking assembly 9 are connected on the mine car underframe 2;
the side-dump 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 of 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 11 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; a trunnion 45 is arranged at one side of the bottom of the hydraulic cylinder 8, which is close to the mine car underframe 2, a U-shaped opening 21 is arranged at one end of the mine car underframe 2, which is far away from the hinge shaft 3, the outer diameter of the trunnion 45 is equal to the inner diameter of the U-shaped opening 21, and the trunnion 45 is inserted into the U-shaped opening 21 for fixing;
the sand-sliding sand-blocking assembly 9 comprises a sand-sliding sand-blocking plate 91, one end of the sand-sliding sand-blocking plate 91 is hinged with the hinge shaft 3 through a third hinge sleeve 93 sleeved on the hinge shaft 3, trapezoid side baffles 94 are symmetrically welded on two sides of the top of the sand-sliding sand-blocking plate 91, lifting arms 92 are arranged on the outer sides of the side baffles 94, one end of each lifting arm 92 is welded with the third hinge sleeve 93 sleeved on the hinge shaft 3, further the sand-sliding sand-blocking plate is hinged with the hinge shaft 3, and a hanging chain 95 is connected to the other end of each lifting arm 92; hooks 47 are symmetrically arranged on the outer side of the overturning box body 4, and when the sand sliding and blocking assembly 9 is lifted and is not unloaded, a hanging chain 95 is hung on the hooks 47.
Taking arbitrary one-time unloading as an example, the unloading process is described as follows:
the first step: stopping braking after the mine car enters a roadway unloading area, opening a locking assembly, pulling out the inverted L-shaped pin shaft 7 in the second fixed sleeve 22 along the direction of the first fixed sleeve 42, and resisting the longitudinal part of the inverted L-shaped pin shaft 7 by the limit stop block 43 to prevent falling; then the hanging chain 95 on the hook 47 is taken down, so that the sand slide blocking assembly 9 can be opened during unloading;
and a second step of: the trunnion 45 at one side of the cylinder bottom of the hydraulic cylinder 8 is inserted into the U-shaped opening 21 of the mine car underframe 2, a connecting pin is inserted into the shaft hole at the end part of the piston of the hydraulic cylinder 8 and the ear seat 41 for fixing, the hydraulic cylinder 8 is lifted up 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 in the text), so that the roll-over box 4 and the sand-sliding sand-blocking device 9 rotate around the hinge shaft 3, meanwhile, the transverse parts of the pull rod 6 and the inverted L-shaped movable door 5 synchronously extend to drive the longitudinal parts of the inverted L-shaped movable door 5 to be opened, the sand-sliding sand-blocking device 9 is overturned to be opened along with the transverse parts, and the hydraulic cylinder 8 is kept pressure after reaching the lifting limit position;
and a third step of: when the mine car is in a stable state, discharging is carried out, at the moment, the sand-sliding sand baffle 91 is flush with the bottom of the overturning box body 4, materials are poured out from one side of the overturning box body 4, which is close to the longitudinal part of the inverted L-shaped movable door 5, the poured materials are discharged at a position far away from the track under the extension of the sand-sliding sand baffle 91 and the side baffle 94, and the materials cannot overflow onto the track due to over-high accumulation, so that the track transportation safety is protected;
fourth step: on the basis of hydraulic pressure stabilization, the vehicle slowly moves forward to completely unload all materials on the vehicle, then the sand sliding device 9 is lifted by a person through the lifting arm 92, the hanging chain 95 at the end part of the lifting arm 92 is hung on the hanging hook 47 of the turnover box body 4, the person is far away from a mine car and operates an external explosion-proof hydraulic power station to release pressure, the turnover box body 4 rotates to drive the turnover box body 4 to return, and the sand sliding device 9 returns to the turnover box body 4 under the pushing of the turnover box body 5;
fifth step: the hydraulic cylinder 8 is disassembled, and the inverted L-shaped pin shaft 7 is inserted into the second fixing sleeve 22 for locking, so that the unloading work is completed.
Claims (8)
1. The utility model provides a swift current sand keeps off sand side dump 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 roll-over box (4) keep away from articulated shaft (3) one side bottom and be the inclined plane, its characterized in that: the side unloading assembly, the locking assembly, the jacking assembly and the sand sliding and blocking assembly (9) 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); a trunnion (45) is arranged at one side of the bottom of the hydraulic cylinder (8) close to the mine car underframe (2), a U-shaped opening (21) is arranged at one end of the mine car underframe (2) far away from the hinge shaft (3), and the trunnion (45) is inserted into the U-shaped opening (21);
the sand sliding and blocking assembly (9) comprises a sand sliding and blocking plate (91), one end of the sand sliding and blocking plate (91) is hinged with the hinge shaft (3), side baffles (94) are symmetrically arranged on two sides of the top of the sand sliding and blocking plate (91), lifting arms (92) are arranged on the outer sides of the side baffles (94), one end of each lifting arm (92) is fixedly connected with a third hinge sleeve (93) sleeved on the hinge shaft (3), and then is hinged with the hinge shaft (3), and the other end of each lifting arm is connected with a hanging chain (95); hooks (47) are symmetrically arranged on the outer side of the overturning box body (4), and a hanging chain (95) is hung on the hooks (47).
2. A sand-blocking side dump car 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. A sand-blocking side dump car 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. A sand-blocking side dump car 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. A sand-blocking side dump car 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. A sand-blocking side dump car according to claim 1, wherein: reinforcing ribs (11) are arranged at the joint of the transverse part and the longitudinal part of the inverted L-shaped movable door (5).
7. A sand-blocking side dump car according to claim 1, wherein: the external diameter of a trunnion (45) of the hydraulic cylinder (8) is equal to the internal diameter of the U-shaped opening (21).
8. A sand retaining side dump car according to any one of claims 1-7 wherein: the side baffles (94) are trapezoidal in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999707.9U CN220180769U (en) | 2023-07-27 | 2023-07-27 | Sand sliding and blocking side-dump mine car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999707.9U CN220180769U (en) | 2023-07-27 | 2023-07-27 | Sand sliding and blocking side-dump mine car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180769U true CN220180769U (en) | 2023-12-15 |
Family
ID=89102286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321999707.9U Active CN220180769U (en) | 2023-07-27 | 2023-07-27 | Sand sliding and blocking side-dump mine car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180769U (en) |
-
2023
- 2023-07-27 CN CN202321999707.9U patent/CN220180769U/en active Active
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