CN213116393U

CN213116393U - Support anti-impact telescopic protective curtain

Info

Publication number: CN213116393U
Application number: CN202021901351.7U
Authority: CN
Inventors: 王铁松; 孙亚岳; 王青振; 何峰
Original assignee: Shaanxi Zhengtong Coal Industry Co Ltd
Current assignee: Shaanxi Zhengtong Coal Industry Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-04
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to the technical field of protective equipment, in particular to a support anti-impact telescopic protective curtain, which comprises a main frame, a telescopic framework, a telescopic rod and a lock head, wherein a guide rail is arranged in the inner wall of the main frame, the telescopic rod is connected with the guide rail in a sliding way in the inner wall of the main frame, the lower end of the telescopic framework is fixedly connected with the upper end of the telescopic rod, the lower end of the middle part of the telescopic framework is provided with a clamping groove, the clamping groove is rotationally connected with a telescopic chain through a shaft, the middle part of the lock head is provided with an inserted rod, the middle part of the outer wall of the lock head is provided with a spherical handle, the pull rod passes through the lock head and is fixedly connected with the spherical handle, the outer wall of the pull rod is sleeved with a spring, the rear ends of the telescopic framework and the rear end of the main frame are both provided with connecting plates, the utility model, is very practical.

Description

Support anti-impact telescopic protective curtain

Technical Field

The utility model relates to a protective equipment technical field specifically is a support protecting against shock protection curtain that stretches out and draws back.

Background

Coal resources are one of important energy sources needed by modern industrial society, coal is usually hidden underground, exploration and mining work needs to be carried out by means of professional equipment and personnel, a large amount of coal mining equipment can be transported, safety and protection of coal operation are the first place, a working face support of the coal mining equipment can impact a coal wall when the coal mining equipment works, in order to maintain the integral structure and stability of the coal wall, a protective curtain is needed to block the coal mining equipment, and therefore normal operation of work is guaranteed.

The protection curtain is the effective equipment that reduces machine work face to coal wall rock burst, but traditional protection curtain simple structure often is fixed integral type, and such protection scope is very effective, can not adapt to the coal wall protection of not uniform size, and the work limitation is big, and it is hard and dismantle complicacy to remove simultaneously, increases workman's work burden, influences work efficiency very much.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support protecting against shock protection curtain that stretches out and draws back to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a support anti-impact telescopic protection curtain comprises a main frame, a telescopic framework, a telescopic rod and a lock head, wherein a guide rail is arranged in the inner wall of the main frame, the telescopic rod is connected with the guide rail in a sliding manner in the inner wall of the main frame, the lower end of the telescopic framework is fixedly connected with the upper end of the telescopic rod, the lower end of the middle part of the telescopic framework is provided with a clamping groove, the clamping groove is rotatably connected with a telescopic chain through a shaft, the middle part of the lock head is provided with an inserted rod, the middle part of the inserted rod is provided with a pull rod, the middle part of the outer wall of the lock head is provided with a spherical handle, the pull rod penetrates through the lock head to be fixedly connected with the spherical handle, the outer wall of the pull rod is sleeved with a spring, the rear end of the telescopic framework and the rear end of the main frame are respectively provided with a connecting plate, the lock head is fixedly, the lower extreme of body frame is provided with the dead lever, dead lever and body frame lower extreme fixed connection.

Preferably, the number of the connecting plates is four, and every two connecting plates are a group and are symmetrically arranged at the left end and the right end behind the main frame and the telescopic framework respectively.

Preferably, the number of the telescopic chains is two, and the two telescopic chains are arranged between the lower end of the telescopic framework and the upper end of the main frame in parallel.

Preferably, the number of the connecting plates is two, and the two connecting plates are symmetrically arranged at the left end and the right end behind the telescopic framework respectively.

Preferably, the number of the guide rails is two, and the two guide rails are respectively and symmetrically arranged at the central position of the inner wall of the main frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the body frame that sets up and the cooperation of flexible skeleton and flexible chain, can make the coal wall size that whole protection curtain can protect according to actual need stretch out and draw back and handle and can protect the coal wall of equidimension not, the device has left the very limited situation of traditional fixed protection curtain protection scope, makes the considerable practicality of having of protection curtain.

2. The utility model discloses in, the tapered end that can adjust through the setting can nimble control the body frame and the cooperation on the support of work machine, only need stimulate spherical removal that just can control the inserted bar to make the dismantlement work of device become simple swift, promoted the work efficiency of device greatly.

Drawings

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

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the lock head of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the internal structure of the main frame shown in fig. 1 according to the present invention.

In the figure: the device comprises a main frame 1, a telescopic framework 2, a telescopic rod 3, a telescopic chain 4, a crosspiece 5, a lock head 6, a clamping groove 7, a connecting plate 8, a spherical handle 9, a pull rod 10, an inserted rod 11, a spring 12, a guide rail 13, a fixing rod 14 and a clamping plate 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a support anti-impact telescopic protection curtain comprises a main frame 1, a telescopic framework 2, a telescopic rod 3 and a lock head 6, wherein a guide rail 13 is arranged in the inner wall of the main frame 1, the telescopic rod 3 is connected with the guide rail 13 in the inner wall of the main frame 1 in a sliding manner, the lower end of the telescopic framework 2 is fixedly connected with the upper end of the telescopic rod 3, a clamping groove 7 is arranged at the lower end of the middle part of the telescopic framework 2, the clamping groove 7 is rotatably connected with a telescopic chain 4 through a shaft, an inserting rod 11 is arranged at the middle part of the lock head 6, a pull rod 10 is arranged at the middle part of the outer wall of the lock head 6, the pull rod 10 penetrates through the lock head 6 to be fixedly connected with a spherical handle 9, a spring 12 is sleeved on the outer wall of the pull rod 10, connecting plates 8 are arranged at the rear ends of the telescopic framework 2 and the main frame 1, the lock head 6 is fixedly connected with the, both ends all with cardboard 15 fixed connection about crosspiece 5, the lower extreme of body frame 1 is provided with dead lever 14, dead lever 14 and 1 lower extreme fixed connection of body frame.

The number of the connecting plates 8 is four, and every two of the four connecting plates 8 are respectively and symmetrically arranged at the left end and the right end behind the main frame 1 and the telescopic framework 2 as a group and used as an assembling mechanism of the device, so that the device is convenient and simple to disassemble and assemble, the number of the telescopic chains 4 is two, the two telescopic chains 4 are arranged between the lower end of the telescopic framework 2 and the upper end of the main frame 1 in parallel and are used as auxiliary mechanisms for the telescopic extension of the device, so that the telescopic framework 2 of the device can work normally, the number of the connecting plates 8 is two, and two connecting plates 8 are respectively and symmetrically arranged at the left and right ends behind the telescopic framework 2 to connect the device with a machine, the number of the guide rails 13 is two, and two guide rails 13 are respectively and symmetrically arranged at the central position of the inner wall of the main frame 1, so that a sliding support is provided for the telescopic rod 3, and the normal use of the telescopic rod 3 is ensured.

The working process is as follows: when the device is used, the device is moved to the front of a coal wall, the spherical handles 9 at the left end and the right end of the device are pulled by hands simultaneously, the spherical handles 9 drive the pull rod 10 to move in the direction away from the lock head 6, the pull rod 20 drives the inserted rod 11 to move, the spring 12 is compressed in the moving process of the inserted rod 11, the inserted rod 11 is completely retracted into the lock head 6, the connecting plate 8 is inserted into a slotted hole arranged in a support of a machine, the spherical handles 9 are loosened, the inserted rod 11 is inserted into the slotted hole arranged in the connecting plate 8 under the action of the spring 12 to fix the connecting plate 8 and the machine, finally, the fixing rod 14 at the lower end of the main frame 1 is forcibly inserted into soil on the ground surface, at the moment, the protective curtain is assembled, the crosspiece 5 on the protective curtain can protect the coal wall, the impact ground pressure on the working surface of the machine is reduced, when the protection range of the protective curtain needs to be extended, only the, the telescopic framework 2 drives the telescopic rod 3 to move upwards or downwards, so that the whole protective curtain is driven to be upwards extended and lifted or downwards contracted and lowered, and the operation can be controlled only by the telescopic chain 4, and the device is simple and practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a support protecting against shock protection curtain that stretches out and draws back, includes body frame (1), flexible skeleton (2), telescopic link (3) and tapered end (6), its characterized in that: the inner wall of the main frame (1) is provided with a guide rail (13), the telescopic rod (3) is slidably connected with the guide rail (13) in the inner wall of the main frame (1), the lower end of the telescopic framework (2) is fixedly connected with the upper end of the telescopic rod (3), the lower end of the middle part of the telescopic framework (2) is provided with a clamping groove (7), the clamping groove (7) is rotatably connected with the telescopic chain (4) through a shaft, the middle part of the lock head (6) is provided with an inserting rod (11), the middle part of the inserting rod (11) is provided with a pull rod (10), the middle part of the outer wall of the lock head (6) is provided with a spherical handle (9), the pull rod (10) penetrates through the lock head (6) to be fixedly connected with the spherical handle (9), the outer wall of the pull rod (10) is sleeved with a spring (12), the rear end of the telescopic framework (2) and the rear end of the main frame (1), body frame (1) front end is provided with crosspiece (5), be provided with cardboard (15) on the outer wall of body frame (1) and telescopic link (3) and telescopic skeleton (2), both ends all with cardboard (15) fixed connection about crosspiece (5), the lower extreme of body frame (1) is provided with dead lever (14), dead lever (14) and body frame (1) lower extreme fixed connection.

2. A telescopic curtain as claimed in claim 1, characterised in that: the number of the connecting plates (8) is four, and every two connecting plates (8) are symmetrically arranged at the left end and the right end of the rear part of the main frame (1) and the telescopic framework (2) respectively.

3. A telescopic curtain as claimed in claim 1, characterised in that: the number of the telescopic chains (4) is two, and the two telescopic chains (4) are arranged between the lower end of the telescopic framework (2) and the upper end of the main frame (1) in parallel.

4. A telescopic curtain as claimed in claim 1, characterised in that: the number of the connecting plates (8) is two, and the two connecting plates (8) are symmetrically arranged at the left end and the right end behind the telescopic framework (2) respectively.

5. A telescopic curtain as claimed in claim 1, characterised in that: the number of the guide rails (13) is two, and the two guide rails (13) are respectively and symmetrically arranged at the central position of the inner wall of the main frame (1).