CN214273692U

CN214273692U - Hydraulic support for coal mine

Info

Publication number: CN214273692U
Application number: CN202120087728.8U
Authority: CN
Inventors: 崔建磊; 张超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-24
Anticipated expiration: 2031-01-14

Abstract

The utility model provides a hydraulic support for coal mine. The hydraulic support for coal mines comprises: a base; the hydraulic support is fixedly arranged at the top of the base; the top plate is fixedly arranged at the top of the hydraulic support; the first accommodating groove is formed in the outer wall of one side of the top plate; the second accommodating groove is formed in the outer wall of one side of the first accommodating groove; the push rod motor is fixedly installed in the second accommodating groove, and the output end of the push rod motor extends into the first accommodating groove; and the connecting block is fixedly arranged on the output end of the push rod motor. The utility model provides a hydraulic support for coal mine has the position control of being convenient for, and can prevent that the gap between the hydraulic support has debris to fall, improves work efficiency's advantage.

Description

Hydraulic support for coal mine

Technical Field

The utility model relates to a coal mining technical field especially relates to a hydraulic support for coal mine.

Background

The area for mining coal resources in a coal-rich mining area is generally divided into an underground coal mine and an open-pit coal mine, most coal mines in China belong to the underground coal mine, and mining workers need to use hydraulic supports for supporting before coal mine mining, wherein the hydraulic supports are structures for controlling the pressure of a coal face mine. The mining face mine pressure acts on the hydraulic support in the form of external load. The hydraulic support is a key device for realizing safe and efficient mining of a mine. The safe use of the hydraulic support ensures the smooth proceeding of mining work and guarantees the personal safety of mining personnel.

However, the existing hydraulic supports can be used under the condition of most mining areas, but the hydraulic supports are inconvenient to move when being transported to a mine, the positions of the hydraulic supports are difficult to adjust, a plurality of hydraulic supports are used side by side, gaps exist among top beams of the hydraulic supports, coal ores or soil fall, coal miners are required to clean the hydraulic supports, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a hydraulic support for colliery convenient to position control, and can prevent that the gap between the hydraulic support from having debris to fall, improve work efficiency.

In order to solve the technical problem, the utility model provides a hydraulic support for coal mine includes: a base; the hydraulic support is fixedly arranged at the top of the base; the top plate is fixedly arranged at the top of the hydraulic support; the first accommodating groove is formed in the outer wall of one side of the top plate; the second accommodating groove is formed in the outer wall of one side of the first accommodating groove; the push rod motor is fixedly installed in the second accommodating groove, and the output end of the push rod motor extends into the first accommodating groove; the connecting block is fixedly arranged at the output end of the push rod motor and is in sliding connection with the inner wall of the first accommodating groove; the first groove is formed in the outer wall of one side of the top plate; the mounting groove is formed in the bottom of the base; the crawler wheel mechanism is arranged in the mounting groove; two elevating system, two elevating system all installs on the base.

Preferably, two first limiting grooves are formed in the inner walls of the two sides of the first accommodating groove, two limiting blocks are fixedly mounted on the outer wall of the connecting block and extend into the first limiting grooves respectively and are connected with the inner walls of the first limiting grooves in a sliding mode.

Preferably, any one of the lifting mechanisms includes: two second grooves, a transmission motor, two screw rods, two worm wheels, two worms and two loading blocks, wherein the two second grooves are respectively arranged on the inner walls of the sides of the two mounting grooves which are far away from each other, the transmission motor fixed mounting be in the top of base, two the lead screw is all rotated and is installed on the base, two the bottom of lead screw extends to two respectively in the second recess and with the bottom inner wall of second recess rotates the connection, two the worm wheel fixed cover respectively is established two on the lead screw, two the worm all rotates to be installed the top of base, two the worm respectively with two worm wheel intermeshing, two the carrier block is threaded sleeve respectively and is established two on the lead screw, two the one end that the carrier block kept away from each other respectively with two second recess sliding connection, two the carrier block be close to each other one end all with crawler wheel mechanism fixed connection.

Preferably, the top of the base is fixedly provided with a round rod, the two worms are fixedly sleeved on the round rod, and one end of the round rod is fixedly connected with an output shaft of the transmission motor.

Preferably, the inner wall of one side, away from each other, of each of the two second grooves is provided with a second limiting groove, and one ends, away from each other, of the two carrier blocks extend into the corresponding second limiting grooves respectively and are in sliding connection with the inner walls of the second limiting grooves.

Preferably, the top of the carrying block is provided with an internal thread hole, and the screw rod penetrates through the internal thread hole and is screwed with the inner wall of the internal thread hole.

Compared with the prior art, the utility model provides a hydraulic support for coal mine has following beneficial effect:

the utility model provides a hydraulic support for coal mine, which achieves the purpose of filling the gap between two adjacent hydraulic supports by arranging a base, a top plate, a first holding tank, a second holding tank, a push rod motor, a connecting block and a first groove, prevents sundries such as coal mine or soil rock from falling down, needs to be cleaned by workers in real time, and reduces the working efficiency; through the arrangement of the mounting groove, the crawler wheel mechanism, the second groove, the transmission motor, the lead screw, the worm wheel, the worm and the carrying block, the position of the hydraulic support can be easily moved in a narrow mine space, and the purpose of conveniently moving the hydraulic support is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a hydraulic support for a coal mine according to the present invention;

FIG. 2 is a side view of the base, lift mechanism and track roller mechanism of FIG. 1 in an assembled state;

reference numbers in the figures: 1. a base; 2. a hydraulic support; 3. a top plate; 4. a first accommodating groove; 5. a second accommodating groove; 6. a push rod motor; 7. connecting blocks; 8. a first groove; 9. mounting grooves; 10. a crawler wheel mechanism; 11. a second groove; 12. a drive motor; 13. a screw rod; 14. a worm gear; 15. a worm; 16. and (4) carrying a block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a hydraulic support for a coal mine according to the present invention; fig. 2 is an assembly view of the base, the lifting mechanism, and the track roller mechanism shown in fig. 1 in a side view. The hydraulic support for coal mine comprises: a base 1; the hydraulic support 2 is fixedly arranged on the top of the base 1; the top plate 3 is fixedly arranged at the top of the hydraulic support 2; the first accommodating groove 4 is formed in the outer wall of one side of the top plate 3; the second accommodating groove 5 is formed in the outer wall of one side of the first accommodating groove 4; the push rod motor 6 is fixedly arranged in the second accommodating groove 5, and the output end of the push rod motor 6 extends into the first accommodating groove 4; the connecting block 7 is fixedly arranged at the output end of the push rod motor 6, and the connecting block 7 is connected with the inner wall of the first accommodating groove 4 in a sliding manner; the first groove 8 is formed in the outer wall of one side of the top plate 3; the mounting groove 9 is formed in the bottom of the base 1; the crawler wheel mechanism 10 is installed in the installation groove 9; two elevating system, two elevating system all installs on base 1.

Two first spacing grooves have been seted up on the both sides inner wall of first holding tank 4, fixed mounting has two stoppers on the outer wall of connecting block 7, two the stopper extends to respectively first spacing inslot and with the inner wall sliding connection of first spacing groove.

Any one of the lifting mechanisms comprises: two second grooves 11, a transmission motor 12, two lead screws 13, two worm gears 14, two worms 15 and two carrier blocks 16, wherein the two second grooves 11 are respectively arranged on the inner walls of one side of the two mounting grooves 9 away from each other, the transmission motor 12 is fixedly arranged at the top of the base 1, the two lead screws 13 are both rotatably arranged on the base 1, the bottom ends of the two lead screws 13 respectively extend into the two second grooves 11 and are rotatably connected with the inner walls of the bottoms of the second grooves 11, the two worm gears 14 are respectively fixedly sleeved on the two lead screws 13, the two worms 15 are both rotatably arranged at the top of the base 1, the two worms 15 are respectively mutually engaged with the two worm gears 14, the two carrier blocks 16 are respectively in threaded sleeve connection with the two lead screws 13, and the ends of the two carrier blocks 16 away from each other are respectively in sliding connection with the two second grooves 11, one end of each of the two carriers 16 close to each other is fixedly connected to the track wheel mechanism 10.

The top fixed mounting of base 1 has the round bar, two worm 15 all fixed cover is established on the round bar, the one end of round bar with transmission motor 12's output shaft fixed connection.

Two second spacing grooves are formed in the inner wall of one side, away from each other, of each second groove 11, and one ends, away from each other, of the two carrying blocks 16 extend into the corresponding second spacing grooves and are connected with the inner walls of the second spacing grooves in a sliding mode.

An internal threaded hole is formed in the top of the carrying block 16, and the screw rod 13 penetrates through the internal threaded hole and is screwed with the inner wall of the internal threaded hole.

The utility model provides a hydraulic support for coal mine's theory of operation as follows: the connecting block 7 on one side of the top plate 3 on the top of two adjacent hydraulic supports 2 can extend into the first groove 8 on the other top plate 3;

when the hydraulic support 2 is used in a coal mine field, firstly, the hydraulic support 2 is hoisted to a support transport vehicle through a crane, the hydraulic support 2 is transported to a mine through the support transport vehicle, then a transmission motor 12 is started, an output shaft of the transmission motor 12 drives two worms 15 on a round bar to rotate, the two worms 15 drive two worm wheels 14 to rotate, the two worm wheels 14 drive two lead screws 13 to rotate, two carrying blocks 16 sleeved on the two lead screws 13 by screw threads move downwards under the limiting action of a second limiting groove, a crawler wheel mechanism 10 is driven to move downwards until a crawler on the crawler wheel mechanism 10 contacts the ground, the position of the hydraulic support 2 is adjusted through the crawler wheel mechanism 10, after the positions of a plurality of hydraulic supports 2 are moved well, a push rod motor 6 is started, an output shaft of the push rod motor 6 pushes a connecting block 7 to move to a first groove 8 on the other adjacent hydraulic support 2, until the connecting block 7 extends into the first groove 8, the effect of eliminating the space between two adjacent hydraulic supports 2 is achieved.

the utility model provides a hydraulic support for coal mine, which achieves the purpose of filling the gap between two adjacent hydraulic supports 2 by arranging a base 1, a top plate 3, a first holding tank 4, a second holding tank 5, a push rod motor 6, a connecting block 7 and a first groove 8, prevents sundries such as coal mine or soil rock from falling down, needs to be cleaned by workers in real time, and reduces the working efficiency; through the arrangement of the mounting groove 9, the crawler wheel mechanism 10, the second groove 11, the transmission motor 12, the lead screw 13, the worm wheel 14, the worm 15 and the carrying block 16, the position of the hydraulic support 2 can be easily moved in a narrow mine space, and the purpose of conveniently moving the hydraulic support 2 is achieved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A hydraulic support for coal mines is characterized by comprising:

a base;

the hydraulic support is fixedly arranged at the top of the base;

the top plate is fixedly arranged at the top of the hydraulic support;

the first accommodating groove is formed in the outer wall of one side of the top plate;

the second accommodating groove is formed in the outer wall of one side of the first accommodating groove;

the push rod motor is fixedly installed in the second accommodating groove, and the output end of the push rod motor extends into the first accommodating groove;

the connecting block is fixedly arranged at the output end of the push rod motor and is in sliding connection with the inner wall of the first accommodating groove;

the first groove is formed in the outer wall of one side of the top plate;

the mounting groove is formed in the bottom of the base;

the crawler wheel mechanism is arranged in the mounting groove;

two elevating system, two elevating system all installs on the base.

2. The hydraulic support for the coal mine according to claim 1, wherein two first limiting grooves are formed in inner walls of two sides of the first accommodating groove, two limiting blocks are fixedly mounted on an outer wall of the connecting block, and the two limiting blocks respectively extend into the first limiting grooves and are in sliding connection with inner walls of the first limiting grooves.

3. The coal mine hydraulic support according to claim 1, wherein any one of the lifting mechanisms comprises: two second grooves, a transmission motor, two screw rods, two worm wheels, two worms and two loading blocks, wherein the two second grooves are respectively arranged on the inner walls of the sides of the two mounting grooves which are far away from each other, the transmission motor fixed mounting be in the top of base, two the lead screw is all rotated and is installed on the base, two the bottom of lead screw extends to two respectively in the second recess and with the bottom inner wall of second recess rotates the connection, two the worm wheel fixed cover respectively is established two on the lead screw, two the worm all rotates to be installed the top of base, two the worm respectively with two worm wheel intermeshing, two the carrier block is threaded sleeve respectively and is established two on the lead screw, two the one end that the carrier block kept away from each other respectively with two second recess sliding connection, two the carrier block be close to each other one end all with crawler wheel mechanism fixed connection.

4. The hydraulic support for the coal mine as claimed in claim 3, wherein a round bar is fixedly installed at the top of the base, both of the worms are fixedly sleeved on the round bar, and one end of the round bar is fixedly connected with an output shaft of the transmission motor.

5. The hydraulic support for the coal mine as claimed in claim 3, wherein the inner walls of the two mutually distant sides of the second grooves are respectively provided with a second limiting groove, and the mutually distant ends of the two carrying blocks respectively extend into the corresponding second limiting grooves and are connected with the inner walls of the second limiting grooves in a sliding manner.

6. The coal mine hydraulic support according to claim 3, wherein an internal threaded hole is formed in the top of the carrying block, and the screw rod penetrates through the internal threaded hole and is screwed with the inner wall of the internal threaded hole.