CN211038700U

CN211038700U - Working face tail sliding pushing device

Info

Publication number: CN211038700U
Application number: CN201922170673.2U
Authority: CN
Inventors: 刘明国; 李元清
Original assignee: Longkou Mining Group Co Ltd
Current assignee: Longkou Mining Group Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-17
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a coal mine equipment technical field, in particular to a working face tail sliding pushing device, which comprises a bottom plate, a first hydraulic cylinder, a track and a second hydraulic cylinder, wherein, the two ends of the bottom plate are provided with grooves for fixedly installing the first hydraulic cylinder, the output end of the first hydraulic cylinder is fixedly provided with a supporting plate, the bottom of the supporting plate is fixedly arranged on a bearing seat, the inner wall of the track is connected with a track roller, the two ends of the track roller are fixedly arranged on the bearing seat, the bearing seat is far away from one end of the second hydraulic cylinder which is fixedly provided with a driving motor, the driving motor is fixedly arranged at the bottom of the supporting plate, the middle of the bottom plate is provided with a groove for fixedly installing the second hydraulic cylinder, the utility model has scientific and reasonable structural design, the hydraulic, the working efficiency is improved.

Description

Working face tail sliding pushing device

Technical Field

The utility model relates to a coal mine equipment technical field specifically is a working face swift current tail pusher jack.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine, when a coal seam is far away from the ground surface, coal is generally excavated to an underground excavation roadway, the mineworker coal mine is provided, when the coal seam is very close to the ground surface, the direct stripping of a surface soil layer is generally selected to excavate the coal, the opencast coal mine is provided, most coal mines in China belong to the mineworker coal mine, the coal mine range comprises large areas of the ground, the underground and related facilities, and the coal mine is a reasonable space excavated by people when the coal-rich geological strata are excavated, and generally comprises a roadway, a well cave and an excavation surface.

The existing working face used for coal mines adopts guide rail type conveying, the movement of the working face needs to be completed on a guide rail, the inner wall is narrow and small during coal mining, the guide rail type working face is inconvenient to propel towards the inside of coal, and the existing working face used for coal does not have a propelling device in the left-right direction.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional working surface tail slipping pushing apparatus.

Therefore, the utility model aims at providing a working face swift current tail pusher jack can solve the above-mentioned working face that proposes current coal mine and use, adopts guide tracked conveying to the removal of working face needs to be accomplished on the guide rail, and the inner wall is narrow and small during coal mining, and guide tracked working face is not convenient for impel to coal is inside, and the working face that current coal used does not have the advancing device's of left right direction problem moreover.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a working face tail sliding pushing device comprises: the hydraulic cylinder I is fixedly installed at two ends of the bottom plate, a supporting plate is fixedly installed at the output end of the hydraulic cylinder I, the bottom of the supporting plate is fixedly installed on a bearing seat, a track roller is connected to the inner wall of the track, two ends of the track roller are fixedly installed on the bearing seat, a driving motor is fixedly installed at one end of the hydraulic cylinder II and far away from the bearing seat, the driving motor is fixedly installed at the bottom of the supporting plate, and a groove is fixedly installed in the middle of the bottom plate.

As a working face swift current tail pusher jack's an preferred scheme, wherein: the top of the bottom plate is in threaded connection with a fixing plate, hydraulic cylinders III are fixedly mounted on two sides of the top of the fixing plate, and three output ends of the hydraulic cylinders are fixedly mounted at the bottom of the top plate.

As a working face swift current tail pusher jack's an preferred scheme, wherein: the track adopts tank track, the both ends that the recess was seted up to the bottom plate are equipped with the guard plate.

As a working face swift current tail pusher jack's an preferred scheme, wherein: the bottom of the crawler belt is not in contact with the ground when the first hydraulic cylinder is in a retracted static state, the bottom of the crawler belt extends out of the bottom plate by 10cm when the first hydraulic cylinder is in an extended static state, and the driving motor is still arranged in the groove of the bottom plate after the first hydraulic cylinder is extended static.

Compared with the prior art: this working face swift current tail pusher jack, groove connection pneumatic cylinder one is seted up to the bottom plate bottom, the backup pad is installed to pneumatic cylinder output, the track is installed to the backup pad bottom, it moves down the backup pad to start hydraulic cylinder one, the backup pad is released the bottom plate bottom and in ground contact with the track, driving motor slowly rotates the track roller bearing, the track that the track roller bearing is connected is slowly impeld left or right, the track impels the completion back, it contracts to start hydraulic cylinder one, connect ground with the bottom plate, it promotes to two pairs of transfer rails to restart pneumatic cylinder, the track is installed to this device bottom the bottom plate, traditional guide tracked inconvenient characteristics of removal have been avoided, work efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a front view of the device of the present invention;

FIG. 2 is a schematic view of the structure of the device of the present invention;

fig. 3 is a schematic view of the structure of the crawler belt of the present invention.

In the figure, a base plate 100, a hydraulic cylinder I200, a support plate 210, a crawler 300, a driving motor 310, a crawler roller 320, a bearing seat 330, a hydraulic cylinder II 400, a fixed plate 500, a hydraulic cylinder III 510 and a top plate 600 are arranged.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a working face tail sliding pushing device, which has the advantages of simple structure and convenient operation, please refer to fig. 1 and fig. 2, and comprises a bottom plate 100, a first hydraulic cylinder 200, a crawler belt 300, a second hydraulic cylinder 400, a fixed plate 500 and a top plate 600;

referring to fig. 1 and 2, a groove is formed in the bottom of the base plate 100 to fixedly mount a first hydraulic cylinder 200, specifically, the groove is formed in the two ends of the bottom of the base plate 100 to be in threaded connection with the first hydraulic cylinder 200, the output end of the first hydraulic cylinder 200 is fixedly mounted with the support plate 210, the bottom of the support plate 210 is fixedly mounted on the bearing block 330, the base plate 100 is a fixed plate at the bottom of the working surface, the first hydraulic cylinder 200 is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, the first hydraulic cylinder 200 has a moving effect on the support plate 210, and the support plate 210 has.

Referring to fig. 2 and 3, a track roller 320 is mounted on an inner wall of a track 300, the track 300 has a driving motor 310, the track roller 320 and a bearing seat 330, specifically, the inner wall of the track 300 is connected to the track roller 320, the bearing seat 330 is fixedly mounted at two ends of the track roller 320, the driving motor 310 is fixedly mounted at one end of the bearing seat 330, which is far away from a second hydraulic cylinder 400, the driving motor 310 is screwed at the bottom of a support plate 210, the track 300 has a moving effect on a bottom plate 100, the track roller 320 has a mounting effect on the track 300, the bearing seat 330 has a positioning effect on the track roller 320, and the driving motor 310 has a rolling.

Referring to fig. 2, a second hydraulic cylinder 400 is mounted on the bottom plate 100, specifically, a groove is formed in the middle of the bottom plate 100 and connected with the second hydraulic cylinder 400 through threads, an output end of the second hydraulic cylinder 400 is connected with a conveying rail of a coal mine, and the second hydraulic cylinder 400 has a moving effect on the conveying rail.

The base plate 100, the fixing plate 500 and the top plate 600 are made of a metal material.

When the device is used, a person skilled in the art connects an external power supply and a controller to the circuit components of the device, when the bottom plate 100 needs to move, the hydraulic cylinder III 510 is started to contract, the top plate 600 moves downwards, the friction force generated when the bottom plate 100 moves is reduced, the hydraulic cylinder I200 is started to move the supporting plate 210 downwards, the supporting plate 210 pushes the crawler belt 300 out of the bottom plate 100 and contacts the ground, simultaneously, the driving motor 310 and the second hydraulic cylinder 400 are started, the driving motor 310 slowly rotates the track roller 320, the track 300 connected with the track roller 320 is slowly pushed to the left, the second hydraulic cylinder 400 is slowly contracted, and the propelling speed of the crawler 300 is kept, after the crawler 300 is propelled, the third hydraulic cylinder 510 is started, the top plate 600 is connected with the top of the inner wall of the coal mine, the first hydraulic cylinder 200 is started to contract, the bottom plate 100 is connected with the ground, and then the second hydraulic cylinder 400 is started to push the conveying track.

In order to enable the device to have a fixing effect on the top of the coal mining hole, the top of the bottom plate 100 is in threaded connection with the fixing plate 500, hydraulic cylinders three 510 are fixedly installed on two sides of the top of the fixing plate 500, the output ends of the hydraulic cylinders three 510 are fixedly installed at the bottom of the top plate 600, the fixing plate 500 has a fixing effect on the hydraulic cylinders three 510, the hydraulic cylinders three 510 have a moving effect on the top plate 600, and the top plate 600 has a fixing effect on the top of the coal mining hole.

Referring to fig. 2, in order to prevent the two ends of the crawler 300 from being easily affected by the crushed stones in the coal mine, protection plates are disposed at the two ends of the bottom plate 100, specifically, the protection plates (not labeled in the figure) are disposed at the two ends of the crawler 300, and the protection plates have a protection effect on the crawler 300 and place the crushed stones in the coal mine into the inside of the crawler 300.

Referring to fig. 2, in order to prevent the base plate 100 from tilting due to an excessive deviation of the movement of the first hydraulic cylinder 200, specifically, when the first hydraulic cylinder 200 is in a contracted static state, the bottom of the crawler 300 is not in contact with the ground, when the first hydraulic cylinder 200 is in an extended static state, the bottom of the crawler 300 extends out of the bottom of the base plate 100 by 10cm, the driving motor 310 is still inside the groove of the upper base plate 100 after the first hydraulic cylinder 200 is in the extended static state, and the extending distance of the first hydraulic cylinder 200 is set to 10cm, so that the occurrence of tilting due to an excessively high distance between the base.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a working face swift current tail pusher jack which characterized in that: including bottom plate (100), pneumatic cylinder (200), track (300), pneumatic cylinder two (400), recess fixed mounting is seted up at bottom plate (100) bottom both ends pneumatic cylinder one (200), pneumatic cylinder one (200) output end fixed mounting backup pad (210), backup pad (210) bottom fixed mounting is on bearing frame (330), track (300) inner wall connection track roller bearing (320), track roller bearing (320) both ends fixed mounting bearing frame (330), bearing frame (330) are kept away from pneumatic cylinder two (400) one end fixed mounting driving motor (310), driving motor (310) fixed mounting be in backup pad (210) bottom, set up recess fixed mounting in the middle of bottom plate (100) bottom pneumatic cylinder two (400).

2. The working surface tailing pushing device according to claim 1, characterized in that the top of the bottom plate (100) is in threaded connection with a fixing plate (500), hydraulic cylinders III (510) are fixedly installed on two sides of the top of the fixing plate (500), and the output ends of the hydraulic cylinders III (510) are fixedly installed at the bottom of the top plate (600).

3. The working surface tail sliding pushing device as claimed in claim 1, wherein the caterpillar (300) is a tank caterpillar, and two ends of the bottom plate (100) provided with the grooves are provided with protective plates.

4. A working surface tail pushing apparatus as claimed in claim 1, wherein the first hydraulic cylinder (200) is in a retracted rest state, the bottom of the track (300) is not in contact with the ground, the first hydraulic cylinder (200) is in an extended rest state, the bottom of the track (300) extends 10cm beyond the bottom of the base plate (100), and the driving motor (310) is still inside the groove of the base plate (100) after the first hydraulic cylinder (200) is in the extended rest state.