CN213205705U

CN213205705U - Colliery underworkings protective bracket

Info

Publication number: CN213205705U
Application number: CN202022287855.0U
Authority: CN
Inventors: 杨勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-14
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a coal mine underground roadway protection bracket, which comprises two groups of mounting bottom plates, wherein the mounting bottom plates are provided with supporting sleeves, the supporting sleeves are internally provided with telescopic columns, one side of one telescopic column is provided with a rack, the rack is meshed with a straight gear, the straight gear is provided with a rotating shaft, and the rotating shaft is provided with a rocking wheel; the telescopic column is provided with a supporting plate, a protection plate is arranged on the supporting plate, a damping mechanism is arranged between the protection plate and the supporting plate, the damping mechanism comprises a buffer spring, and the buffer spring is respectively connected with the protection plate and the supporting plate through a limiting sleeve; the both ends of guard plate are provided with the baffle. The utility model is provided with the telescopic column, has simple structure and convenient adjustment, is used in underground roadways, and improves the efficiency; the protective plate is arranged to support the top of the roadway, so that collapse is prevented, and safety is improved; the damping mechanism is arranged, the pressure is relieved through the buffer spring, and the service life is prolonged; be equipped with the baffle, prevent that tunnel both sides earth from dropping, improve the practicality.

Description

Colliery underworkings protective bracket

Technical Field

The utility model relates to a colliery is protection technical field in the pit specifically is a colliery underworkings protective bracket.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal bed is far away from the ground surface, a tunnel is excavated to the underground to mine coal, which is a mineworker coal mine; it is known that as the demand for coal increases, the mining depth increases or decreases, and the geological environment deteriorates. With the increase of ground stress, roof accidents frequently occur during the tunneling engineering of the fully mechanized coal mining machine, underground resources are required to be mined smoothly, the danger and the disaster of roof support are avoided, and workers need to have the concept that the mine production safety is day. In order to meet the production requirements and smoothly carry out various operations under a coal mine, a tunneling working face needs to be frequently arranged, a temporary supporting device at present has limited support, many processes can not be operated in parallel, the efficiency is mostly not high enough, the tunneling speed is influenced, and the supporting operation is difficult to carry out efficiently due to limited space of the tunneling working face. In order to ensure the personal safety of tunneling operators, avoid the empty top operation, increase the space of a tunneling working face to enable more processes to be operated in parallel and the like, a novel temporary support frame which can provide a quick protective support, increase the working space to enable more processes to be operated in parallel, improve the safety level, increase the tunneling speed and not influence the anchor rod supporting operation is urgently needed, so that the safety management level of a tunneling top plate of a tunnel is improved, the working space of the tunneling working face is effectively increased, a good operating environment is created for the operators, and the working efficiency is further improved; the supporting strength that traditional simply strutted is low in traditional tunnelling, and anti striking ability is low, and the practicality is not high, and is inefficient, ageing and security are poor, inconvenient regulation, and it is inconvenient to use in tunnelling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a colliery underworkings protective cradle to among the solution prior art, traditional simple and easy support's among the traditional tunnelling strut intensity is low, and anti striking ability is low, and the practicality is not high, and inefficiency, ageing and security are poor, inconvenient regulation, inconvenient technical problem of use in the tunnelling.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a coal mine underground roadway protection support comprises two groups of mounting bottom plates, wherein supporting sleeves are arranged on the mounting bottom plates, telescopic columns are arranged in the supporting sleeves, a rack is arranged on one side of one telescopic column and meshed with a straight gear, a rotating shaft is arranged on the straight gear, a rocking wheel is arranged on the rotating shaft, and one end of the rotating shaft penetrates through a fixed sleeve and is connected with the rocking wheel; the telescopic column is provided with a supporting plate, a protection plate is arranged on the supporting plate, a damping mechanism is arranged between the protection plate and the supporting plate, the damping mechanism comprises a buffer spring, and the buffer spring is respectively connected with the protection plate and the supporting plate through a limiting sleeve; and two ends of the protection plate are provided with baffle plates.

As the utility model discloses a preferred technical scheme, be provided with the storage tank in the backup pad, be provided with in the storage tank and place the box, the one side of placing the box is provided with the handle.

As the utility model discloses a preferred technical scheme, the multiunit fixed orifices has been seted up on the mounting plate, the fixed orifices is provided with the staple.

As the utility model discloses a preferred technical scheme, supporting sleeve's week side is provided with the multiunit gusset plate.

As the utility model discloses a preferred technical scheme, be provided with dampproofing board on the guard plate.

As the utility model discloses a preferred technical scheme, be provided with the handle on rocking the wheel, be provided with the rubber sleeve on the handle.

Has the advantages that:

the utility model provides a colliery underworkings protective cradle possesses following beneficial effect: the mounting bottom plate of the utility model is provided with a support sleeve, telescopic columns are arranged in the support sleeve, one side of the telescopic column is provided with a rack, the rack is meshed with a straight gear, a rotating shaft is arranged on the straight gear, and a rocking wheel is arranged on the rotating shaft, so that the structure is simple, the adjustment is convenient, the mounting bottom plate is used in a coal mine underground roadway, and the efficiency is improved; the support plate is arranged on the telescopic column, and the protection plate is arranged on the support plate and used for supporting the top of the underground roadway of the coal mine, so that collapse is prevented, and the safety is improved; a damping mechanism is arranged between the protection plate and the support plate, and the pressure is relieved through a buffer spring, so that the service life is prolonged; the both ends of guard plate are provided with the baffle, prevent that both sides earth from dropping, improve the practicality.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a coal mine underground roadway protection bracket of the utility model;

FIG. 2 is an exploded view of the protective bracket for the coal mine underground roadway of the utility model;

fig. 3 is a front view of the utility model relates to a colliery underworkings protective bracket.

In the figure: 101. mounting a bottom plate; 102. a support sleeve; 103. a telescopic column; 104. a rack; 105. a spur gear; 106. a rotating shaft; 107. shaking the wheel; 108. a handle; 109. a rubber sleeve; 110. fixing a sleeve; 111. a support plate; 112. a storage box; 113. placing the box; 114. a handle; 115. a buffer spring; 116. a limiting sleeve; 117. a protection plate; 118. a baffle plate; 119. a moisture-proof plate; 120. a fixing hole; 121. fixing nails; 122. and a reinforcing plate.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a coal mine underground roadway protection support comprises two groups of mounting bottom plates 101, wherein supporting sleeves 102 are arranged on the mounting bottom plates 101, telescopic columns 103 are arranged in the supporting sleeves 102, a rack 104 is arranged on one side of one telescopic column 103, the rack 104 is meshed with a straight gear 105, a rotating shaft 106 is arranged on the straight gear 105, a rocking wheel 107 is arranged on the rotating shaft 106, and one end of the rotating shaft 106 penetrates through a fixed sleeve 110 to be connected with the rocking wheel 107; a supporting plate 111 is arranged on the telescopic column 103, a protection plate 117 is arranged on the supporting plate 111, a damping mechanism is arranged between the protection plate 117 and the supporting plate 111, the damping mechanism comprises a buffer spring 115, and the buffer spring 115 is respectively connected with the protection plate 117 and the supporting plate 111 through a limiting sleeve 116; the guard plate 117 is provided at both ends thereof with a baffle 118.

When the coal mine underground roadway protection support is used, the mounting base plate 101 is provided with the supporting sleeves 102, the supporting sleeves 102 are internally provided with the telescopic columns 103, one side of one telescopic column 103 is provided with the rack 104, the rack 104 is meshed with the straight gear 105, the straight gear 105 is provided with the rotating shaft 106, the rotating shaft 106 is provided with the rocking wheel 107, the structure is simple, the rocking wheel 107 is rotated by hand, the rocking wheel 107 drives the straight gear 105 to rotate through the rotating shaft 106, the straight gear 105 drives the telescopic columns 103 to move up and down through the rack 104, the coal mine underground roadway protection support is suitable for coal mine underground roadways with different heights, the space of the coal mine underground roadway is narrow, the adjustment is convenient, the use is more convenient, and the efficiency; the telescopic column 103 is provided with a supporting plate 111, the supporting plate 111 is provided with a protection plate 117, and the protection plate 117 supports the top of the underground coal mine roadway, so that collapse is prevented, and the safety is improved; a damping mechanism is arranged between the protection plate 117 and the support plate 111, the damping mechanism comprises a buffer spring 115, the buffer spring 115 is respectively connected with the protection plate 117 and the support plate 111 through a limiting sleeve 116, the supporting pressure is relieved through the buffer spring 115, the impact resistance effect is good, and the service life is prolonged; both ends of guard plate 117 are provided with baffle 118, prevent that both sides earth from dropping, improve the practicality.

Referring to fig. 1 to 3, a storage box 112 is disposed on the support plate 111, a storage box 113 is disposed in the storage box 112, a handle 114 is disposed on one side of the storage box 113, and an oxygen bottle, water, food, etc. can be placed in the storage box 113 of the storage box 112, and after an accident occurs, the handle 114 is pulled to be taken out, so that the possibility of rescue is improved, and time is won for rescue.

Referring to fig. 1 to 3, a plurality of sets of fixing holes 120 are formed in the mounting base plate 101, fixing nails 121 are disposed in the fixing holes 120, and when the mounting base plate 101 is mounted, the fixing nails 121 fix the mounting base plate 101 through the fixing holes 120, so as to improve stability.

Referring to fig. 1 to 3, a plurality of sets of reinforcing plates 122 are disposed around the supporting sleeve 102 to reinforce the supporting sleeve 102, so as to prevent the supporting sleeve from being fixed insecurely and avoid potential safety hazards.

Referring to fig. 1 to 3, the protection plate 117 is provided with a moisture-proof plate 119, so that the protection plate 117 is prevented from being affected with moisture, and the service life of the protection plate 117 is prolonged.

Referring to fig. 1 to 3, a handle 108 is disposed on the rocking wheel 107, a rubber sleeve 109 is disposed on the handle 108, and the handle 108 is rotated by hand to drive the rocking wheel 107 to rotate, so that the operation is convenient and labor-saving, the efficiency is improved, the rubber sleeve 109 prevents the hand from being worn when the hand rotates, and the practicability is improved.

To sum up, when the coal mine underground roadway protection bracket is used, the mounting base plate 101 is provided with the supporting sleeve 102, the supporting sleeve 102 is internally provided with the telescopic columns 103, one side of one telescopic column 103 is provided with the rack 104, the rack 104 is meshed with the straight gear 105, the straight gear 105 is provided with the rotating shaft 106, the rotating shaft 106 is provided with the rocking wheel 107, the structure is simple, the rocking wheel 107 is manually rotated, the rocking wheel 107 drives the straight gear 105 to rotate through the rotating shaft 106, and the straight gear 105 drives the telescopic columns 103 to move up and down through the rack 104; the telescopic column 103 is provided with a supporting plate 111, the supporting plate 111 is provided with a protection plate 117, and the protection plate 117 supports the top of the underground coal mine roadway, so that collapse is prevented, and the safety is improved; a damping mechanism is arranged between the protection plate 117 and the support plate 111, the damping mechanism comprises a buffer spring 115, the buffer spring 115 is respectively connected with the protection plate 117 and the support plate 111 through a limiting sleeve 116, the supporting pressure is relieved through the buffer spring 115, the impact resistance effect is good, and the service life is prolonged; the two ends of the protection plate 117 are provided with the baffles 118, so that soil on the two sides is prevented from falling off, and the practicability is improved; the support plate 111 is provided with a storage box 112, a placing box 113 is arranged in the storage box 112, one side of the placing box 113 is provided with a handle 114, an oxygen bottle, water, food and the like can be placed in the placing box 113 of the storage box 112, and after an accident happens, the handle 114 is pulled to be taken out, so that the possibility of rescue is improved, and the time is won for rescue; a plurality of groups of fixing holes 120 are formed in the mounting base plate 101, fixing nails 121 are arranged in the fixing holes 120, and when the mounting base plate 101 is mounted, the fixing nails 121 fix the mounting base plate 101 through the fixing holes 120, so that the stability is improved; a plurality of groups of reinforcing plates 122 are arranged on the periphery of the supporting sleeve 102 to reinforce the supporting sleeve 102, so that the supporting sleeve is prevented from being infirm in fixation, and potential safety hazards are avoided; the protection plate 117 is provided with the moisture-proof plate 119, so that the protection plate 117 is prevented from being affected with damp, and the service life of the protection plate 117 is prolonged; rocking wheel 107 is last to be provided with handle 108, be provided with rubber sleeve 109 on the handle 108, hand rotation handle 108 drives rocking wheel 107 and rotates, and convenient to use is laborsaving, raises the efficiency, and rubber sleeve 109 prevents that the hand from being worn when rotating, and the hand improves the practicality.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A coal mine underground roadway protection support is characterized in that: the mounting structure comprises two groups of mounting base plates (101), wherein a supporting sleeve (102) is arranged on each mounting base plate (101), telescopic columns (103) are arranged in the supporting sleeves (102), a rack (104) is arranged on one side of one telescopic column (103), the rack (104) is meshed with a straight gear (105), a rotating shaft (106) is arranged on the straight gear (105), a rocking wheel (107) is arranged on the rotating shaft (106), and one end of the rotating shaft (106) penetrates through a fixed sleeve (110) to be connected with the rocking wheel (107); a supporting plate (111) is arranged on the telescopic column (103), a protection plate (117) is arranged on the supporting plate (111), a damping mechanism is arranged between the protection plate (117) and the supporting plate (111), the damping mechanism comprises a buffer spring (115), and the buffer spring (115) is respectively connected with the protection plate (117) and the supporting plate (111) through a limiting sleeve (116); and two ends of the protection plate (117) are provided with baffle plates (118).

2. The coal mine underground roadway protection bracket according to claim 1, characterized in that: the supporting plate (111) is provided with a storage box (112), a storage box (113) is arranged in the storage box (112), and a handle (114) is arranged on one side of the storage box (113).

3. The coal mine underground roadway protection bracket according to claim 1, characterized in that: a plurality of groups of fixing holes (120) are formed in the mounting bottom plate (101), and fixing nails (121) are arranged in the fixing holes (120).

4. The coal mine underground roadway protection bracket according to claim 1, characterized in that: a plurality of groups of reinforcing plates (122) are arranged on the periphery of the supporting sleeve (102).

5. The coal mine underground roadway protection bracket according to claim 1, characterized in that: the protection plate (117) is provided with a damp-proof plate (119).

6. The coal mine underground roadway protection bracket according to claim 1, characterized in that: a handle (108) is arranged on the rocking wheel (107), and a rubber sleeve (109) is arranged on the handle (108).