CN113023536B

CN113023536B - Pressing lifting type mine car push-pull device and using method thereof

Info

Publication number: CN113023536B
Application number: CN202110230839.4A
Authority: CN
Inventors: 谢苗; 刘奇; 董钰峰; 蒋泽旭; 李博
Original assignee: Liaoning Technical University
Current assignee: Liaoning Technical University
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-11-08
Anticipated expiration: 2041-03-02
Also published as: CN113023536A

Abstract

The invention discloses a pressing lifting type mine car push-pull device and a using method thereof, and belongs to the technical field of mine car equipment. The device comprises a cage, a track and a mine car; the sliding rail is arranged between the two guide rails of the track; the pushing frame is connected to the sliding rail in a sliding manner; the pressing lifting plate is in transmission connection with the pushing frame and realizes lifting action after being pressed by a pressing force; the transmission unit is arranged below the slide rail, is in transmission connection with the pushing frame and drives the pushing frame to reciprocate along the direction of the slide rail; the bottom of one end, far away from the cage, of the mine car is provided with a cross beam, a U-shaped groove matched with the cross beam is formed on the top surface of one end, close to the cage, of the pressing lifting plate, and the U-shaped groove and the cross beam are matched and clamped when the pressing lifting plate rises. The push-and-pull device for the press lifting type mine car does not affect normal traffic of an underground roadway, has small field change, can move the mine car out of or put the mine car into a cage by simple operation, does not need the operation of bending down of an operator, is safe and stable, and saves manpower and operation time.

Description

Pressing lifting type mine car push-pull device and using method thereof

Technical Field

The invention belongs to the technical field of mine car equipment, and particularly relates to a pressing lifting type mine car push-pull device and a using method thereof.

Background

The cage is a common device for mines, in the coal mine excavation process, a mine car usually needs to be manually pushed in and out of the cage, the mine car is pushed to the position close to a wellhead along a track, then the group of mine cars are pushed to enter the lifting cage to be sent to the underground for working, and operators waste time and energy and have potential safety hazards of being squeezed by the mine car; meanwhile, underground ores are lifted to a wellhead through a main elevator in a mine car, the mine car needs to be pulled out from a cage, the weight of the mine car is approximately two tons of ore, two persons are very labor-consuming to operate, the operation time is long, and operation near the mine lifting cage is dangerous to some extent.

Some current enterprises adopt cage pusher gear supplementary tramcar business turn over cage, current cage pusher gear mainly has the type such as pneumatics, electronic wire rope, electronic round-link chain, linear electric motor car pusher, it is big mostly to have a structure size, the installation is complicated, the pusher is inefficient, strike shortcomings such as big fragile, especially can not directly impel the cage with the tramcar, must push the tramcar into the cage or pull out the tramcar in the cage with the help of the manual work, and some tramcar pusher gear need operating personnel to bend over and operate with the hand, the wounded condition appears very easily. Therefore, a mine car push-pull device with simple structure, high safety and convenient operation is still needed.

Through retrieval, the Chinese patent publication number: CN 212222124U; the publication date is as follows: 12/25/2020; disclosed is a horizontal pusher for underground, comprising: the device comprises a car pusher, a horizontal sliding rail, a winch and two first guide wheels, wherein the horizontal sliding rail is fixedly arranged on the underground ground, the car pusher is connected to the horizontal sliding rail in a bidirectional sliding manner, and a rail for the wheels of the mine car to roll is further arranged on the horizontal sliding rail; a rope is wound on a winding drum of the winch, two ends of the rope are fixedly connected to the front end and the rear end of the car pusher respectively, two first guide wheels are arranged at two ends of the horizontal sliding rail respectively, the first guide wheels can provide guidance for the rope, and the winch can drive the car pusher to slide along the horizontal sliding rail; the tramcar pusher is used for driving the tramcar to move on the rail. In the car pusher of this application, the car pusher can drive the mine car back-and-forth movement under the drive of hoist engine, accomplish the operation of business turn over cage, the human labor has been reduced, but the equipment of this application has great defect when using, the transmission of mine car and car pusher is connected and is still required artifical manual operation with the disconnection, need to break away from the connection car pusher after the mine car pushes into the cage, need have the staff to carry out relevant operation in cage department this moment for the potential safety hazard still exists.

Disclosure of Invention

In order to solve at least one of the above technical problems, according to an aspect of the present invention, there is provided a push-pull device for a push-pull type mining vehicle, the device including:

a cage;

a track formed by laying two mutually parallel guide rails towards the cage;

the mine car is movably connected to the track in a matching way;

also comprises a step of adding a new type of additive,

the sliding rail is arranged between the two guide rails of the track and is parallel to the guide rails;

the pushing frame is connected to the sliding rail in a sliding manner;

the pressing lifting plate is in transmission connection with the pushing frame and realizes lifting action after being pressed by a pressing force;

the transmission unit is arranged below the sliding rail, is in transmission connection with the bottom of the pushing frame and provides a driving force for reciprocating motion along the direction of the sliding rail;

the bottom that the cage one end was kept away from to the mine car is formed with the crossbeam, press the top surface that the lifter plate is close to cage one end be formed with crossbeam assorted U type groove, press U type groove and crossbeam cooperation joint when the lifter plate rises.

According to the push-pull device for the tramcar with the pressing lifting type, optionally, the pressing lifting plate comprises a transverse plate, one end of the transverse plate is located right above the pushing frame, the other end of the transverse plate extends in the direction towards the cage along the pushing frame, and the U-shaped groove is located in the top face of the end portion of the other end of the transverse plate.

According to the push-pull device for the pressing lifting type mine car, provided by the embodiment of the invention, optionally, two sides of the top surface of the pushing frame are downwards provided with side mounting grooves;

the pressing lifter plate further includes:

the side vertical plates are formed at positions corresponding to the side mounting grooves on the two sides of the bottom surface of the transverse plate and are movably connected with the side plate mounting grooves in a matched manner;

the lifting spring is arranged in the side mounting groove, one end of the lifting spring is fixedly connected with the bottom of the side vertical plate, the other end of the lifting spring is fixedly connected with the bottom of the corresponding side mounting groove, and the lifting spring is in a compressed state;

both ends of the lateral vertical plate are laterally sunken to form plate grooves, and guide grooves are laterally sunken in the plate grooves;

the device also comprises a connecting rod and a return spring, wherein one end of the connecting rod is hinged with the wall of the side mounting groove, and the other end of the connecting rod is matched and movably connected with the guide groove; one end of the reset spring is hinged with the side mounting groove wall, the other end of the reset spring is hinged with the connecting rod, and the reset spring is in an extending state.

According to the embodiment of the invention, the push-pull device for the pressing lifting type mine car optionally comprises the following guide grooves:

the vertical groove is vertically formed on the side wall of the plate groove and is positioned at one end of the plate groove close to the middle part of the side vertical plate;

the vertical short grooves are vertically formed on the side walls of the plate grooves, are parallel to the vertical long grooves and are positioned at one ends of the plate grooves far away from the middle parts of the side vertical plates, and the heights of the vertical short grooves and the tops of the vertical long grooves are the same;

the V-shaped groove is positioned between the vertical long groove and the vertical short groove and is used for communicating the vertical long groove with the top of the vertical short groove;

and the inclined groove is positioned between the vertical long groove and the vertical short groove and is used for communicating the bottom of the vertical short groove with the lower section of the vertical long groove.

According to the embodiment of the invention, the push-pull device for the pressing lifting type mine car optionally further comprises:

the automatic pressing mechanism is arranged beside the track and provides pressing force for pressing the lifting plate;

and automatic pressing mechanisms are arranged at the side of the track at the head end position and the tail end position of the pushing frame.

According to an embodiment of the invention, the automatic pressing mechanism comprises:

the base is fixed on the bottom surface beside the track;

one end of the pressing rod is hinged to the top of one end of the base, and the other end of the pressing rod is fixedly connected with the force application plate;

one end of the electric cylinder is hinged with the top of the other end of the base, and the other end of the electric cylinder is hinged with the middle of the pressing rod.

According to the embodiment of the invention, the pressing lifting type mine car push-pull device optionally further comprises:

the first travel switch is arranged below the pushing frame at the head end position and is in signal connection with the automatic pressing mechanism at the head end position;

and the second travel switch is arranged below the pushing frame at the tail position and is in signal connection with the automatic pressing mechanism at the tail position.

the car arrester is arranged beside the track;

when the mine car moves to the position, corresponding to the head end of the pushing frame, of the cross beam and presses the upper portion of the U-shaped groove of the lifting plate, the mine car stops moving through the car stopper.

According to another aspect of the invention, a method for using the push-pull device of the pressing lifting type mine car is provided, and the method comprises the following steps:

A. mine car enters into cage

a1, pushing a mine car, and stopping the mine car by using a car arrester when the mine car moves to the car arrester;

a2, starting a transmission unit, driving a shifting frame to move to a head end position, triggering a first travel switch, sending a signal to stop the transmission unit and start a corresponding automatic pressing mechanism, applying pressing force to a pressing lifting plate, lifting a transverse plate of the pressing lifting plate, and matching and clamping a U-shaped groove and a cross beam of the mine car;

a3, the car arrester relieves the car arresting, the transmission unit is started to drive the pushing frame to move towards the cage, the pushing frame moves to the tail position, the mine car enters the cage at the moment, the pushing frame triggers the travel switch II, a signal is sent out to stop the transmission unit and start the corresponding automatic pressing mechanism, pressing force is applied to the pressing lifting plate, the transverse plate of the pressing lifting plate descends, and the U-shaped groove is separated from the clamping connection with the cross beam of the mine car;

a4, starting the transmission unit to drive the pushing frame to be far away from the cage, and resetting the car arrester;

B. mine car leaves cage

b1, the car arrester relieves the car blocking, the transmission unit is started to drive the pushing frame to move towards the cage, the pushing frame moves to the tail position, at the moment, a U-shaped groove for pressing the lifting plate is located right below a cross beam of the mine car, the pushing frame triggers a travel switch II, a signal is sent out to stop the transmission unit and start a corresponding automatic pressing mechanism, pressing force is applied to the pressing lifting plate, a transverse plate of the pressing lifting plate rises, and the U-shaped groove is matched and clamped with the cross beam of the mine car;

b2, the transmission unit is started to drive the pushing frame to move away from the cage, when the pushing frame moves to the head end position, the first travel switch is triggered, a signal is sent out to stop the transmission unit and start the corresponding automatic pressing mechanism, pressing force is applied to the pressing lifting plate, the transverse plate of the pressing lifting plate descends, and the U-shaped groove is separated from the cross beam of the mine car in a clamping mode.

Advantageous effects

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

(1) The pressing lifting type mine car push-pull device can drive a mine car to move in a reciprocating mode within a certain range without influencing normal traffic of an underground roadway, is small in field change, can move the mine car out of or put the mine car into a cage through simple operation, does not need operators to bend down, is convenient to operate, realizes pushing and pulling the mine car into and out of the cage, is safe and stable, and saves manpower and operation time;

(2) According to the pressing lifting type mine car push-pull device, the extending structural design of the pressing lifting plate ensures the validity of the device for the push-pull operation of a mine car, design changes of structures in a cage are not needed, the complexity of the push-pull device is simplified, and the device is simpler and more convenient to operate;

(3) According to the push-pull type mine car push-pull device, through the push-pull lifting plate structure, under the matching of the guide groove of the specific structure, the connecting rod and the reset spring, the push-pull lifting plate is sequentially exerted with the pressing force, so that the push-pull lifting plate can sequentially complete the actions of locking after lifting and locking after descending, and the lifting action is completed without the assistance of circuits, hydraulic pressure and the like, so that when the mine car is in a proper position, the push-pull device and the mine car can be connected and disconnected in a transmission manner only by exerting the pressing force on the push-pull lifting plate, the operation of bending down by an operator is not needed, and the complex circuit arrangement is not needed, so that the push-pull process of the mine car is safe and stable, and the manpower and the operation time are greatly saved;

(4) According to the pressing lifting type mine car push-pull device, the lifting of the pressing lifting plate can be completed only by simple pressing force, so that pressing can be completely performed by a simpler mechanical mechanism instead of a person, the equipment cost is low, and the pressing lifting type mine car push-pull device is easy to realize;

(5) According to the pressing lifting type mine car push-pull device, the automatic pressing mechanism is arranged on the outer side of the track and is started after the mine car is pushed and pulled in place, so that the normal running state of the push-pull device in the push-pull process is not interfered, a complex pipeline is not required to be arranged, the cost is low, and the arrangement is easy;

(6) According to the push-pull device for the press lifting type mine car, the arrangement of the travel switch can further improve the automation degree of the push-pull device and reduce manual operation;

(7) According to the push-pull device for the mine car, due to the arrangement of the car arrester, when the mine car enters the cage, the mine car can be accurately positioned to the position where the mine car can be smoothly clamped with the U-shaped groove of the push-pull lifting plate through the car arrester, so that the push-pull operation is further facilitated;

(8) According to the pressing lifting type mine car push-pull device, the buffer connecting plate is matched with the front buffer spring and the rear buffer spring, so that when the transmission of a mine car is stopped, the impact force can be effectively and slowly absorbed through the buffer springs, the structural stability of the device is effectively guaranteed, and the effective service life is prolonged;

(9) The use method of the pressing lifting type mine car push-pull device does not need manual interference on an operation site, does not need personnel to approach a cage to carry out a series of operations, is convenient and labor-saving, and greatly improves the operation safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

FIG. 1 shows a schematic diagram of the environment in which the present invention is used;

FIG. 2 shows an enlarged view at A in FIG. 1;

FIG. 3 illustrates a side view of an environment in which the present invention is used;

FIG. 4 shows an enlarged view at B in FIG. 3;

FIG. 5 shows an enlarged view at C of FIG. 3;

FIG. 6 is a schematic diagram of the structure of the pushing frame and the pressing lifting plate according to the present invention;

figure 7 shows a schematic view of the structure of the pusher carriage of the invention;

FIG. 8 is a side view of the press lifter plate when raised;

FIG. 9 shows an enlarged view at D of FIG. 8;

FIG. 10 is a side view of the pressing lifter plate when it falls;

FIG. 11 shows a schematic view of the automatic pressing mechanism of the present invention;

reference numerals:

1. a cage;

2. a track;

3. a mine car; 30. a fence;

4. a slide rail;

5. a pushing frame; 50. a side mounting groove; 51. a buffer connecting plate; 52. a chute; 53. a buffer spring; 54. a through hole; 55. a slider;

6. pressing the lifting plate; 60. a U-shaped groove; 61. a transverse plate; 62. a lateral vertical plate; 620. a plate recess; 621. a guide groove; 6210. a vertical slot; 6211. a short vertical slot; 6212. a V-shaped groove; 6213. a chute; 622. a connecting rod; 623. a tension spring; 63. a lift spring;

7. a transmission unit;

8. an automatic pressing mechanism; 80. a base; 81. a pressing lever; 810. a force application plate; 82. an electric cylinder;

800. a travel switch I; 801. a travel switch II;

9. a car arrester.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "one," "another," "one," "two," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another.

The "head end position" used in the present patent application specification and claims refers to the position where the thrust frame 5 is moved to the farthest distance from the cage 1 by the driving mechanism 7.

The "end position" used in the specification and claims of the present patent application refers to the position where the pushing frame 5 moves to the nearest distance from the cage 1 under the driving of the transmission mechanism 7.

Example 1

The push-pull device of the pressing lifting type mine car comprises,

a cage 1;

a track 2 formed by two mutually parallel guide rails laid towards the cage 1;

the mine car 3 is movably connected to the track 2 in a matching way;

also comprises the following steps of (1) preparing,

the sliding rail 4 is arranged between the two guide rails of the track 2, and the sliding rail 4 is parallel to the guide rails;

the pushing frame 5 is connected to the sliding rail 4 in a sliding manner;

the pressing lifting plate 6 is connected to the pushing frame 5 in a transmission manner, and the pressing lifting plate 6 realizes lifting action after being pressed by pressing force;

the transmission unit 7 is arranged below the sliding rail 4, the transmission unit 7 is in transmission connection with the bottom of the pushing frame 5, and the transmission unit 7 provides a driving force for reciprocating along the direction of the sliding rail 4;

the bottom that cage 1 one end was kept away from to mine car 3 is formed with the crossbeam, press the top surface that lifter plate 6 is close to cage 1 one end be formed with crossbeam assorted U type groove 60, press U type groove 60 and crossbeam cooperation joint when lifter plate 6 rises.

In the conventional coal mine excavation process, the mine car 3 enters and exits the cage 1 and is pushed manually, the mine car 3 is pushed along the track 2, the dead weight of the mine car 3 is approximately two tons of ore, two persons operate very difficultly, the operating space near the cage 1 is limited, the operation of the persons is time-consuming and labor-consuming, the persons are easily extruded and injured, and the operation at the cage 1 for a long time is dangerous to a certain extent.

In consideration of the complex environment and limited space of the underground roadway, as shown in fig. 1 and fig. 2, the embodiment utilizes the space between two guide rails of the rail 2, a slide rail 4 is laid between the two guide rails, the pushing frame 5 is connected to the slide rail 4 in a sliding manner in a matching manner, and under the guidance of the slide rail 4, the reciprocating linear motion can be performed along the direction close to the cage 1 or away from the cage 1, more specifically, the slide rail 4 of the embodiment is laid at one end of the rail 2 close to the cage 1, and the slide rail 4 does not need to be laid over the whole length of the rail 2.

In the present embodiment, a pit is formed below the track 2 on which the sliding rail 4 is laid, the transmission unit 7 is disposed in the pit, the transmission unit 7 of the present embodiment is a chain transmission unit, and includes a driving motor, a transmission chain and a chain wheel, the specific structure is as shown in fig. 3, the bottom of the pushing frame 5 is fixedly connected to the top chain, and the chain reciprocates to drive the pushing frame 5 to complete the reciprocating motion under the driving of the driving motor.

Further, in the embodiment, the pushing frame 5 is fixed with the pressing lifting plate 6, the pressing lifting plate 6 moves along with the movement of the pushing frame 5, the U-shaped groove 60 at the top of the pressing lifting plate 6 can be matched and clamped with a cross beam at the bottom of the mine car 3, when the mine car 3 needs to be pushed into the cage 1 or pulled out of the cage 1, the U-shaped groove 60 is clamped with the cross beam at the bottom of the mine car 3 by lifting the pressing lifting plate 6, so that the mine car 3 is driven by the transmission unit 7 to perform corresponding actions, the pressing lifting plate 6 descends after the mine car 3 moves in place, and the mine car 3 is separated from the clamping with the pressing lifting plate 6.

The lifting action of the pressing lifting plate 6 is realized by applying pressing force to the pressing lifting plate, the realization process depends on pressing a mechanical structure on the lifting plate 6, the lifting is realized in an electric mode, a hydraulic mode and the like without electric power, compared with the structural mode of hydraulic lifting and electric lifting adopted in the existing underground roadway, the pressing lifting plate 6 has great advantages, the environment in the underground roadway is complex and severe, and the mine car push-pull device moves continuously in the track below the mine car 3, if the lifting of the pressing lifting plate 6 is realized in an electric or hydraulic mode, the mine car push-pull device is required to be provided with electric wires or hydraulic pipelines, the electric wires or the hydraulic pipelines are laid between the tracks 2, along with the action of the mine car push-pull device, the electric wires or the pipelines not only influence the normal transmission of the device, but also cause the fault of the mine car device due to the extremely easy abrasion and damage in the device use process under the severe environmental conditions of ores, falling rocks, broken stones and the like, great inconvenience is brought to the production, the pressing lifting plate 6 structure of the pressing lifting plate can be used for effectively completing the connection of the mine car, and the effective connection of the mine car 3 can be realized.

Further, the surrounding of the mine car 3 is sleeved with the rail 30, as shown in fig. 1 and fig. 3, a beam is formed at the bottom of the rail 30 at the end of the mine car 3 far away from the cage 1, a U-shaped groove 60 is formed at the top of one end of the pressing lifting plate 6 close to the cage 1, when the U-shaped groove 60 is engaged with the mine car 3, the mine car 3 is located in front of the pressing lifting plate 6, and along with the movement of the pressing lifting plate 6, when the pushing frame 5 moves to the tail position close to the cage 1, the mine car 3 can be pushed into the cage 1.

Example 2

The push-and-pull type mine car push-and-pull device of the embodiment is further improved on the basis of the embodiment 1, the push-and-pull type mine car push-and-pull device comprises a transverse plate 61, one end of the transverse plate is located right above the push-and-pull frame 5, the other end of the transverse plate extends towards the cage 1 along the push-and-pull frame 5, and a U-shaped groove is located on the top face of the end portion of the transverse plate 61 at the other end.

As shown in fig. 2, fig. 4 and fig. 6, the track 2 and the slide rail 4 are only arranged in a roadway under the shaft, the structure of the transverse plate 61 of the lifting plate 6 is pressed through the embodiment, when the pushing frame 5 moves to the end position of the slide rail 4, the extending section of the transverse plate 61 can extend into the cage 1, so that when the pushing car 3 enters the cage 1 for operation, the car 3 can be completely pushed into the cage 1, or when the pulling car 3 goes out of the cage 1 for operation, the U-shaped groove 60 of the transverse plate 61 and the cross beam of the car 3 in the cage 1 can smoothly complete the clamping operation to pull out the car 3, the effectiveness of the device for the pushing and pulling operation of the car 3 is ensured, design changes of some structures in the cage 1 are not needed, the complexity of the pushing device is simplified, and the operation of the device is simpler and more convenient.

Further, in this embodiment, the rubber pad is installed on the top surface of the U-shaped groove 60, so that when the U-shaped groove 60 is clamped with the mine car 3, the impact force can be reduced, and the effective service life of the device can be prolonged.

Example 3

The push-pull device for the pressing lifting type mine car is further improved on the basis of the

embodiment

1 or 2, and two sides of the top surface of the pushing frame 5 are downwards provided with side mounting grooves 50;

the pressing lifter plate 6 further includes:

side vertical plates 62 which are formed at positions corresponding to the side mounting grooves 50 on both sides of the bottom surface of the transverse plate 61, wherein the side vertical plates 62 are movably connected with the side plate mounting grooves 50 in a matching manner;

the lifting spring 63 is arranged in the side mounting groove 50, one end of the lifting spring 63 is fixedly connected with the bottom of the side vertical plate 62, the other end of the lifting spring 63 is fixedly connected with the bottom of the corresponding side mounting groove 50, and the lifting spring 63 is in a compressed state;

both ends of the side vertical plate 62 are laterally recessed to form plate grooves 620, and guide grooves 621 are laterally recessed in the plate grooves 620;

the connecting rod 622 and the return spring 623 are further included, one end of the connecting rod 622 is hinged with the wall of the side mounting groove 50, and the other end of the connecting rod 622 is movably connected with the guide groove 621 in a matched manner; one end of the return spring 623 is hinged with the wall of the side mounting groove 50, the other end is hinged with the connecting rod 622, and the return spring 623 is in an extension state;

the guide groove 621 includes:

a vertical slot 6210 vertically formed in a sidewall of the plate recess 620, the vertical slot 6210 being located at an end of the plate recess 620 near a middle of the side riser 62;

the vertical short groove 6211 is vertically formed on the side wall of the plate groove 620, the vertical short groove 6211 is parallel to the vertical long groove 6210 and is positioned at one end of the plate groove 620 far away from the middle part of the side vertical plate 62, and the height of the vertical short groove 6211 is the same as that of the top of the vertical long groove 6210;

the V-shaped groove 6212 is positioned between the vertical long groove 6210 and the vertical short groove 6211 and is used for communicating the vertical long groove 6210 with the top of the vertical short groove 6211;

and the inclined groove 6213 is positioned between the vertical long groove 6210 and the vertical short groove 6211 and is used for communicating the bottom of the vertical short groove 6211 with the lower section of the vertical long groove 6210.

As shown in fig. 6 and 7, the pushing frame 5 is a box structure with an open top, through holes 54 are horizontally formed in two sides of the pushing frame 5 close to the guide rail in a penetrating manner, a sliding block 55 is installed in the pushing frame 5 corresponding to the through holes, two sliding blocks 55 are installed at the through holes 54 on each side, and the sliding blocks 55 are in sliding connection with the slide rail 4 in a matching manner, so that a stable movement track of the pushing frame 5 along the slide rail 4 is ensured.

As shown in fig. 7, both sides of the top surface of the pushing frame 5 are provided with side mounting grooves 50, side risers 62 are formed downwards at positions corresponding to the side mounting grooves 50 at the bottom of the pushing lifting plate 6, the length directions of the side risers 62 are parallel to the length direction of the guide rail, a plurality of lifting springs 63 in a compressed state are arranged between the side risers 62 and the bottoms of the side mounting grooves 50, and the lifting springs 63 act on the side risers 62, so that driving force is provided for the lifting of the transverse plate 61 of the pushing lifting plate 6.

As shown in fig. 8, the two ends of the side vertical plate 62 along the length direction are both laterally recessed to form plate recesses 620, each plate recess 620 is correspondingly provided with a guide slot 621, a connecting rod 622 and a return spring 623, and at the two plate recesses 620 of the same side vertical plate 62, each guide slot 621, connecting rod 622 and return spring 623 are uniformly and symmetrically arranged.

Further, at the end of the connecting rod 622 that is in fit connection with the guide groove 621, a protruding cylindrical pile is formed along the depth direction of the guide groove 621, and the connecting rod 622 is in fit connection with the guide groove 621 through the cylindrical pile; the specific structure of the guide groove 621 of the present embodiment is shown in fig. 9.

When the pressing lifting plate 6 is at a lifting position, the cylindrical pile of the connecting rod 622 is positioned at the lowest end of the vertical long groove 6210, the return spring 623 is in a pulling state, force close to the end part of the side vertical plate 62 is provided for the connecting rod 622, when the pressing lifting plate 6 is applied with pressing force, the side vertical plate 62 descends, the cylindrical pile of the connecting rod 622 ascends along the vertical long groove 6210 and is communicated with the inclined groove 6213 through the vertical long groove 6210, under the action force of the return spring 623, the cylindrical pile enters the inclined groove 6213, along with the continuous descending of the side vertical plate 62, the cylindrical pile continuously ascends relative to the height of the guide 621, the cylindrical pile ascends to the position where the top end of the inclined groove 6213 is communicated with the vertical short groove 6211 and enters the vertical short groove 6211, the side vertical plate 62 continuously descends, the cylindrical pile relatively ascends to the position where the top of the vertical short groove 6211 is communicated with the V-shaped groove 6212, in this embodiment, the top wall of the connection between the vertical short groove 6211 and the V-shaped groove 6212 has an inclined surface inclined toward the middle of the side vertical plate 62, therefore, in the relative ascending process of the cylindrical pile, when the cylindrical pile moves to the highest position of the connection under the guidance of the inclined surface after contacting the top wall of the connection between the vertical short groove 6211 and the V-shaped groove 6212, the center of the cylindrical pile corresponds to the bottom wall of the V-shaped groove 6212 in the vertical direction, at this time, the pressing force is removed, the side vertical plate 62 ascends under the action of the return spring 63, the cylindrical pile descends and contacts the bottom wall of the V-shaped groove 6212 relative to the guide groove 621, and under the action of the return spring 63, the guide groove 621 continuously ascends so that the cylindrical pile descends to the lowest position of the bottom wall of the V-shaped groove 6212, at this time, the cylindrical pile is clamped with the guide groove 621, the continuous ascending motion of the side vertical plate 62 is limited, and at this time, the lifting plate 6 is locked after the descending, as shown in fig. 10.

When the pressing lifting plate 6 is at the descending position, the bottom of the cylindrical pile of the connecting rod 622 is in contact with the lowest part of the bottom groove wall of the V-shaped groove 6212, and the center of the cylindrical pile is located at the lowest part of the top groove wall of the V-shaped groove 6212 close to the side of the middle part of the side vertical plate 62 in the vertical direction, so that after the pressing lifting plate 6 is applied with pressing force, the side vertical plate 62 descends, the cylindrical pile relatively ascends to the position where the V-shaped groove 6212 is communicated with the vertical groove 6210 along the passage at the side of the V-shaped groove 6212 close to the middle part of the side vertical plate 62, at the moment, the pressing force is removed, the side vertical plate 62 ascends under the action of the lifting spring 63, the cylindrical pile relatively descends along the vertical groove 6210, until the cylindrical pile is in contact with the bottom of the vertical groove 6210, the clamping between the cylindrical pile and the guide groove 621 is completed, and the locking of the pressing lifting plate 6 and the lifted state is as shown in fig. 8.

The pressing lifting plate 6 of the embodiment is provided with a side vertical plate 62 on two sides of the guide rail close to the track 2, and two ends of each side vertical plate 62 in the length direction are provided with a plate groove 620 respectively, so that the pressing lifting process is more stable, and the pressing lifting plate 6 can be effectively clamped with the cross beam of the mine car 3.

Through the 6 structures of the lifter plate of pressing of this embodiment, at the guide way and the connecting rod of specific structure, reset spring 623's cooperation, in proper order to pressing the 6 tenths of lifter plate down pressing force, can make and press lifter plate 6 to accomplish in proper order and rise the back locking, the action of locking after the decline, and the lift action does not need the circuit, mode such as hydraulic pressure is supplementary to be accomplished, therefore, when mine car 3 is in suitable position, only need exert pressing force to pressing lifter plate 6, can accomplish this pushing and pulling device and the drive connection and the disconnect between mine car 3, do not need the operating personnel operation of bowing, also need not complicated circuit arrangement, make the push-and-pull process safety and stability of mine car 3, practice thrift manpower and operating time greatly.

Example 4

The push-pull device for a pressing lifting type mine car is further improved on the basis of the embodiment 1~3, and further comprises:

an automatic pressing mechanism 8 provided beside the rail 2 and configured to apply a pressing force to the pressing lifter plate 6;

automatic pressing mechanisms 8 are arranged at the sides of the tracks 2 at the head end position and the tail end position of the pushing frame 5;

the automatic pressing mechanism 8 includes:

a base 80 fixed on a bottom surface beside the track 2;

one end of the pressing rod 81 is hinged to the top of one end of the base 80, and the other end of the pressing rod is fixedly connected with a force application plate 810;

one end of the electric cylinder 82 is hinged with the top of the other end of the base 80, and the other end is hinged with the middle part of the pressing rod 81.

The utility model provides a press down lifter plate 6 only needs to provide the pressing force and can accomplish corresponding elevating movement, this pressing force can be stepped on by the operating personnel foot and be provided, the operation of bowing has been avoided, it is more automatic in order to make the mine car push-and-pull, further practice thrift the manpower, also can set up automatic pressing means 8 and provide the pressing force, at 5 head end positions of lapse frame, 2 sides of track of tail position department all set up automatic pressing means 8, position when 3 needs the joint of mine car or break away from the joint all provides the pressing force through automatic pressing means 8, can replace manual operation, effectively reduce the time that personnel are close to 1 operation of cage, further improve the operation security.

Because the lifting of the pressing lifting plate 6 can be completed only by simple pressing force, the pressing lifting plate can be completely implemented by a simpler mechanical mechanism instead of people, and the equipment is low in cost and easy to implement.

Further, as shown in fig. 2 and 11, the automatic pressing mechanism 8 adopted in this embodiment is configured to fix the base 80 outside the guide rail of the rail 2, one end of the top surface of the base 80 is hinged to the base of the electric cylinder 82, and the other end of the top surface of the base 80 is hinged to the bottom end of the pressing rod 81, the pressing rod 81 of this embodiment is of a structure similar to a "hook" shape, a corner portion of the pressing rod 81 is hinged to an end portion of a telescopic rod of the electric cylinder 82, one end portion of a long side of the pressing rod is hinged to the top surface of the base 80, one end portion of the short side of the pressing rod 81 is fixedly connected to the pressing plate 810, the pressing rod 81 rotates around the hinged end and rotates along a track perpendicular to the guide rail direction of the rail 2, the electric cylinder 82 is remotely controlled to start, the telescopic rod extends, the pressing rod 81 turns to the direction of the rail 2, the pressing plate 810 at the end portion of the pressing rod 81 descends during rotation and finally contacts with the transverse plate 61 of the pressing lifting plate 6 at a corresponding position, and the electric cylinder 82 continues to start, that is used to provide a pressing force on the lifting plate 6.

In the embodiment, the automatic pressing mechanism 8 is arranged on the outer side of the track 2 and is started after the mine car 3 is pushed and pulled in place, so that the normal running state of the push-pull device in the push-pull process is not interfered, a complex pipeline is not required to be arranged, the cost is low, and the arrangement is easy.

Example 5

The push-pull device for a pressing lifting type mine car is further improved on the basis of the embodiment 1~4, and further comprises:

the first travel switch 800 is arranged below the pushing frame 5 at the head end position, and the first travel switch 800 is in signal connection with the automatic pressing mechanism 8 at the head end position;

and a second travel switch 801 provided below the push bracket 5 at the end position, the second travel switch 801 being in signal connection with the automatic pressing mechanism 8 at the end position.

As shown in fig. 4 and 5, the first travel switch 800 and the second travel switch 801 of the present embodiment are both disposed on the ground below the pushing frame 5 and respectively correspond to the moving head end position and the moving tail end position of the pushing frame 5, and when the pushing frame 5 moves in place, the bottom of the pushing frame 5 contacts with the corresponding travel switch to trigger the travel switch to send a signal to the corresponding automatic pressing mechanism 8, so as to provide pressing force to the pressing lifting plate 6 at the corresponding position, further improve the automation degree of the present device, and reduce the manual operation.

Example 6

The push-pull device for a pressing lifting type mine car is further improved on the basis of the embodiment 1~5, and further comprises:

the car arrester 9 is arranged beside the track 2;

when the mine car 3 moves to the position of the cross beam corresponding to the head end of the pushing frame 5 and presses the upper part of the U-shaped groove 60 of the lifting plate 6, the car stopper 9 stops the mine car 3.

As shown in fig. 1, the car arrester 9 is disposed between the head end position and the tail end position, and more specifically, when the pushing frame 5 is located at the head end position, the position of the mine car 3 corresponding to the U-shaped groove 60 of the pressing lifting plate 6 is located, the end position of the mine car 3 close to one end of the cage 1 is the setting position of the car arrester 9, the car arrester 9 is disposed at the position, when the mine car 3 needs to be pushed into the cage 1, the car arrester 9 is started when the mine car 3 is pushed to the position of the car arrester 9 along the rail 2, the mine car 3 is stopped at this time, the transmission unit 7 drives the pushing frame 5 to move to the head end position, and after the automatic pressing mechanism 8 applies a pressing force, the U-shaped groove 60 of the pressing lifting plate 6 can be accurately clamped with the cross beam of the mine car 3.

Through the setting of this embodiment car arrester 9, when the shallow got into cage 1, can be through car arrester 9 accuracy with mine car 3 location to the position that can press the smooth joint of U type groove 60 of lifter plate 6, the push-and-pull operation of further being convenient for.

Further, a proximity switch is further installed at the position of the car arrester 9 in the embodiment, and in the process that the mine car 3 is pushed to the cage 1, when the mine car 3 moves on the track 2 to be close to the car arrester 9, the proximity switch is triggered to start the car arrester 9 to arrest the mine car 3, and meanwhile, the transmission unit 7 is started to drive the pushing frame 5 to move to the head end position.

Example 7

The push-and-pull type tramcar push-and-pull device is further improved on the basis of the embodiment 1~6, a buffer connecting plate 51 is arranged in the middle of the top surface of the pushing frame 5, the buffer connecting plate 51 is connected with the pushing frame 5 in a sliding mode and slides along the direction parallel to the track 2, buffer springs 53 are arranged in front of and behind the buffer connecting plate 51 in the sliding direction, one end of each buffer spring 53 is fixedly connected with the pushing frame 5, and the other end of each buffer spring 53 is fixedly connected with the buffer connecting plate 51; the buffer connecting plate 51 is fixedly connected with the transmission unit 7.

As shown in FIG. 4 and FIG. 7, the buffer connecting plate 51 is disposed in the pushing frame 5, and the bottom of the buffer connecting plate 51 is fixedly connected with the transmission unit 7, that is, the pushing frame 5 is in transmission connection with the transmission unit 7 through the buffer connecting plate 51, the push-pull device is required to transmit the mine car 3 during operation, the mine car 3 filled with ore has a weight of about two tons, and the movement stops with a large inertia, therefore, after the device stops transmitting the mine car 3 in place, the pressing lifting plate 6 directly in transmission connection with the mine car 3 can receive a large impact force, and the impact force of the buffer connecting plate 51 of the embodiment is matched with the buffer springs 53 in front and at the back of the device, so that the impact force can be effectively slowly released and absorbed through the buffer springs 53 when the transmission of the mine car 3 stops, thereby effectively ensuring the structural stability of the device and prolonging the effective service life.

Example 8

The use method of the pressing lifting type mine car push-pull device comprises the following steps:

A. mine car enters into cage

a1, pushing the mine car 3, and stopping the mine car 3 by the car arrester 9 when the mine car 3 moves to the car arrester 9;

a2, starting the transmission unit 7, driving the pushing frame 5 to move to the head end position, triggering a travel switch I800, sending a signal to stop the transmission unit 7 and start a corresponding automatic pressing mechanism 8, applying pressing force to the pressing lifting plate 6, lifting a transverse plate 61 of the pressing lifting plate 6, and matching and clamping a U-shaped groove 60 with a cross beam of the mine car 3;

a3, the car arrester 9 relieves the car arresting, the transmission unit 7 is started to drive the pushing frame 5 to move towards the cage 1, the pushing frame 5 moves to the tail position, the mine car 3 enters the cage 1 at the moment, the pushing frame 5 triggers the second stroke switch 801, a signal is sent out to stop the transmission unit 7 and start the corresponding automatic pressing mechanism 8, pressing force is applied to the pressing lifting plate 6, the transverse plate 61 of the pressing lifting plate 6 descends, and the U-shaped groove 60 is separated from the clamping connection with the cross beam of the mine car 3;

a4, starting the transmission unit 7 to drive the pushing frame 5 to be far away from the cage 1, and resetting the car arrester 9;

B. mine car leaves cage

b1, the car arrester 9 relieves the car arresting, the transmission unit 7 is started to drive the pushing frame 5 to move towards the cage 1, the pushing frame 5 moves to the tail position, at the moment, the U-shaped groove 60 of the pressing lifting plate 6 is positioned under the cross beam of the mine car 3, the pushing frame 5 triggers the second stroke switch 801, a signal is sent out to stop the transmission unit 7 and start the corresponding automatic pressing mechanism 8, pressing force is applied to the pressing lifting plate 6, the transverse plate 61 of the pressing lifting plate 6 rises, and the U-shaped groove 60 is matched and clamped with the cross beam of the mine car 3;

b2, the transmission unit 7 is started to drive the pushing frame 5 to move away from the cage 1, when the pushing frame 5 moves to the head end position, the first travel switch 800 is triggered, a signal is sent out to stop the transmission unit 7 and start the corresponding automatic pressing mechanism 8, pressing force is applied to the pressing lifting plate 6, the transverse plate 61 of the pressing lifting plate 6 descends, and the U-shaped groove 60 is separated from the cross beam of the mine car 3 in a clamping mode.

Through the use method of this embodiment, need not artifical too much interference at the operation scene, 3 entering cage 1's of mine car operation in-process, only need to push 3 propelling movement of mine car to the 2 positions of track department that are equipped with slide rail 4, follow-up action can accomplish the transmission connection to 3 of mine car under the operation of each structure of this device, the transmission targets in place and gets into cage 1, break away from actions such as connection, it carries out a series of operations to need not personnel to be close cage 1, and convenient laborsaving, and very big improvement the operation security, and the same reason, 3 leave cage 1's of mine car operation in-process also need not personnel to be close to cage 1 position, can pull out 3 automatic the head end position departments to pass frame 5 with the mine car in cage 1 through the device of this application.

The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.

Claims

1. A push-pull device of a pressing lifting type mine car, which comprises,

a cage;

a track formed by laying two mutually parallel guide rails towards the cage;

the mine car is movably connected to the track in a matching way;

it is characterized by also comprising the following steps of,

the pushing frame is connected to the sliding rail in a sliding manner;

a cross beam is formed at the bottom of one end, away from the cage, of the mine car, a U-shaped groove matched with the cross beam is formed in the top surface of one end, close to the cage, of the pressing lifting plate, and the U-shaped groove and the cross beam are clamped in a matched mode when the pressing lifting plate is lifted;

the pressing lifting plate comprises a transverse plate, one end of the transverse plate is positioned right above the pushing frame, the other end of the transverse plate extends towards the cage along the pushing frame, and the U-shaped groove is positioned on the top surface of the end part of the other end of the transverse plate;

two sides of the top surface of the pushing frame are both downwards provided with side mounting grooves;

the pressing lifter plate further includes:

the side vertical plate is formed at a position corresponding to the side mounting grooves on the two sides of the bottom surface of the transverse plate and is matched and movably connected with the side plate mounting grooves;

the device also comprises a connecting rod and a return spring, wherein one end of the connecting rod is hinged with the wall of the side mounting groove, and the other end of the connecting rod is matched and movably connected with the guide groove; reset spring one end and side mounting groove cell wall are articulated, and the other end is articulated with the connecting rod, and reset spring is in the extension state.

2. The push-pull device for a press-lift type mine car as claimed in claim 1, wherein the guide grooves comprise:

the vertical long groove is vertically formed on the side wall of the plate groove and is positioned at one end of the plate groove close to the middle part of the side vertical plate;

3. The push-pull device for a push-pull lift type mine car as claimed in claim 1, further comprising:

4. A push-pull lift mine car push-pull apparatus according to claim 3, wherein the automatic push mechanism comprises:

the base is fixed on the bottom surface beside the track;

one end of the electric cylinder is hinged with the top of the other end of the base, and the other end of the electric cylinder is hinged with the middle part of the pressing rod.

5. A push-pull device for a push-pull lift type mine car as claimed in claim 3, further comprising:

6. A push-pull device for a push-pull lift type mine car as claimed in claim 3, further comprising:

the car arrester is arranged beside the track;

7. A push-pull device for a push-pull lift type mine car according to claim 1, wherein: the middle part of the top surface of the pushing frame is provided with a buffer connecting plate, the buffer connecting plate is connected with the pushing frame in a sliding way and slides along the direction parallel to the track, buffer springs are arranged in front of and behind the sliding direction of the buffer connecting plate, one end of each buffer spring is fixedly connected with the pushing frame, and the other end of each buffer spring is fixedly connected with the buffer connecting plate; the buffer connecting plate is fixedly connected with the transmission unit.

8. A method of using the push-pull lift tramcar push-pull device of claim 1, comprising the steps of:

A. the mine car enters a cage;

B. the mine car leaves the cage;

and b2, starting the transmission unit to drive the pushing frame to move away from the cage, triggering a first travel switch when the pushing frame moves to the head end position, sending a signal to stop the transmission unit and start a corresponding automatic pressing mechanism, applying pressing force to the pressing lifting plate, descending a transverse plate of the pressing lifting plate, and separating the U-shaped groove from the cross beam of the mine car in a clamping manner.