CN220059603U - Protective bracket - Google Patents
Protective bracket Download PDFInfo
- Publication number
- CN220059603U CN220059603U CN202321582319.0U CN202321582319U CN220059603U CN 220059603 U CN220059603 U CN 220059603U CN 202321582319 U CN202321582319 U CN 202321582319U CN 220059603 U CN220059603 U CN 220059603U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- connecting plate
- supporting
- bracing piece
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 abstract description 12
- 238000005065 mining Methods 0.000 abstract description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a protective bracket which comprises a connecting plate and supporting and adjusting components, wherein the supporting and adjusting components are arranged in the middle of two sides of the connecting plate and are symmetrically arranged around the connecting plate, and each supporting and adjusting component comprises a supporting rod I, a rotating shaft, a stop block, a supporting rod II, a sliding sleeve I, a sliding sleeve II, a connecting shaft I, a connecting shaft II and a connecting rod. The utility model belongs to the technical field of mining auxiliary equipment, and particularly relates to a protection support for coal mining, which is used for supporting the inner wall of a coal mine by adjusting the supporting angle and changing the supporting height, adjusting the angle of a supporting rod II by utilizing a sliding sleeve I and a sliding sleeve II to slide on the supporting rod I and the supporting rod II and adjusting the locking position, supporting the bottom of a connecting plate by matching with a screw rod and a backing plate, and improving the stability of the protection support.
Description
Technical Field
The utility model belongs to the technical field of mining auxiliary equipment, and particularly relates to a protective bracket.
Background
The protective bracket is a device for controlling the mine pressure of the coal face, the mine pressure of the coal face acts on the protective bracket in an external load mode, and the protective bracket is one of main equipment for mining, and is more important especially under the condition of increasing difficulty in mining of a coal mine.
At present, devices such as a hydraulic support, a scraper conveyor, a coal mining machine and the like are mainly used for comprehensive mining in underground coal mine, a protective support is generally placed on the ground when placed, and the support can be inclined when the ground is smooth or loose, so that inconvenience is brought to use.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a protective bracket, aiming at the protective bracket for coal mining, the supporting angle can be adjusted, the supporting height can be changed, the inner wall of the coal mine is supported, the sliding sleeve I and the sliding sleeve II slide on the supporting rod I and the supporting rod II and adjust the locking position, the angle of the supporting rod II is adjusted, the bottom of a connecting plate is supported by matching with a screw rod and a backing plate, and the stability of the protective bracket is improved.
The technical scheme adopted by the utility model is as follows: the utility model provides a protective bracket, includes connecting plate and support adjusting part, support adjusting part locates in the middle of the connecting plate both sides, support adjusting part uses the connecting plate to be the symmetry setting as the center, support adjusting part includes bracing piece one, pivot, dog, bracing piece two, sliding sleeve one, sliding sleeve two, connecting axle one, connecting axle two and connecting rod, the connecting plate department in the middle of the connecting plate both sides is located to bracing piece one end, bracing piece one is the symmetry setting with the connecting plate as the center, bracing piece one other end lateral wall is located to the pivot, bracing piece two one end cup joints the rotatable pivot in the outside and locates the pivot, a one end is kept away from to the pivot is located to the dog, a lateral wall is located in the sliding sleeve one, a sliding sleeve two is slided and is located the bracing piece lateral wall, a locating sliding sleeve lateral wall is located in the middle of a sliding sleeve lateral wall, connecting axle two locates in the middle of a sliding sleeve two lateral wall, the connecting rod rotates and is connected between connecting axle one and connecting axle two.
Further, through holes are formed in two sides of the upper portion of the connecting plate, and the through holes are symmetrically arranged.
Further, a screw is arranged at the center of the connecting plate, and the screw is in threaded connection with the connecting plate.
Further, a backing plate is arranged at the bottom of the screw.
Further, one end, far away from the stop block, of the second supporting rod is in chamfering arrangement.
Further, a first limit screw and a second limit screw are respectively arranged at the lower parts of the first sliding sleeve and the second sliding sleeve.
After the structure is adopted, the utility model has the following beneficial effects: the protection support is simple in structure and convenient to adjust, the support angle can be adjusted aiming at the protection support for coal mining, the support height is changed, the inner wall of a coal mine is supported through the two sides and the middle position, the sliding sleeve I and the sliding sleeve II slide on the supporting rod I and the supporting rod II and adjust the locking position, the angle of the supporting rod II is adjusted, the bottom of the connecting plate is supported by matching with the screw rod and the backing plate, and the stability of the protection support is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
FIG. 1 is a schematic view of the whole structure of a protective bracket according to the present utility model;
fig. 2 is a schematic structural diagram of a support adjusting assembly of a protective bracket according to the present utility model;
fig. 3 is a front view of a protective bracket structure according to the present utility model.
In the drawings: 1. the connecting plate, 2, support adjusting component, 3, bracing piece one, 4, pivot, 5, dog, 6, bracing piece two, 7, sliding sleeve one, 8, sliding sleeve two, 9, connecting axle one, 10, connecting axle two, 11, connecting rod, 12, through-hole, 13, screw rod, 14, backing plate, 15, stop screw one, 16, stop screw two.
Detailed Description
As shown in fig. 1-3, a protective bracket comprises a connecting plate 1 and a supporting and adjusting component 2, wherein the supporting and adjusting component 2 is arranged in the middle of two sides of the connecting plate 1, the supporting and adjusting component 2 is symmetrically arranged by taking the connecting plate 1 as a center, the supporting and adjusting component 2 comprises a supporting rod I3, a rotating shaft 4, a stop block 5, a supporting rod II 6, a sliding sleeve I7, a sliding sleeve II 8, a connecting shaft I9, a connecting shaft II 10 and a connecting rod 11, one end of the supporting rod I3 is arranged in the middle of two sides of the connecting plate 1, the supporting rod I3 is symmetrically arranged by taking the connecting plate 1 as a center, the rotating shaft 4 is arranged on the side wall of the other end of the supporting rod I3, one end of the supporting rod II 6 is sleeved on the rotating shaft 4 in a rotatable manner, the stop block 5 is arranged at one end of the rotating shaft 4 far from the supporting rod I3, the sliding sleeve I7 is slidably arranged on the outer side wall of the supporting rod I3, the sliding sleeve II 8 is slidably arranged on the outer side wall of the supporting rod II 6, the connecting shaft I9 is arranged in the middle of the side wall of the sliding sleeve I7, the connecting shaft II 10 is arranged in the middle of the side wall of the sliding sleeve II 8, the connecting rod 11 is rotatably connected between the connecting shaft I9 and the connecting shaft II 10, the supporting rod I3 and the supporting rod II 6 which are hinged together are used for supporting, the positions of the sliding sleeve I7 and the sliding sleeve II 8 are slidably arranged, the angle of the supporting rod II 6 is adjusted, the first 15 and the second 16 limiting screws are respectively arranged on the lower parts of the first 7 and the second 8 sliding sleeves, the first 15 and the second 16 limiting screws are respectively used for locking the first 7 and the second 8 sliding sleeves, and the angle fixing is achieved.
Wherein, for the convenience carries out assistance-localization real-time to connecting plate 1, connecting plate 1 upper portion both sides are equipped with through-hole 12, through-hole 12 is the symmetry setting, fix or connect connecting plate 1 and colliery upper wall through-hole 12, connecting plate 1 center department is equipped with screw rod 13, screw rod 13 and connecting plate 1 threaded connection, screw rod 13 bottom is equipped with backing plate 14, rotatable screw rod 13 makes backing plate 14 support in ground, perhaps rotate backing plate 14 and make screw rod 13 penetrate colliery upper wall, carry out assistance-localization real-time to the device, increase stability, bracing piece two 6 keep away from dog 5 one end and be the chamfer setting, make bracing piece two 6 can hug closely the colliery lateral wall and insert ground.
When the device is specifically used, an operator expands the second support rod 6, moves and adjusts the first slide sleeve 7 and the second slide sleeve 8, makes one end of the chamfer of the second support rod 6 close to a wall and is inserted into the ground, the connecting plate 1 is tightly attached to the first support rod 3, the first limit screw 15 and the second limit screw 16 are screwed, the first slide sleeve 7 and the second slide sleeve 8 are fixed, the screw 13 is finally rotated, the rotatable screw 13 enables the base plate 14 to be supported on the ground, or the base plate 14 is rotated to enable the screw 13 to penetrate into the upper wall of a coal mine, and the device is positioned in an auxiliary mode, so that the stability is increased.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. A protective bracket, characterized in that: including connecting plate and support adjustment subassembly, support adjustment subassembly locates the middle department of connecting plate both sides, support adjustment subassembly uses the connecting plate to be the symmetry setting as the center, support adjustment subassembly includes bracing piece one, pivot, dog, bracing piece two, sliding sleeve one, sliding sleeve two, connecting axle one, connecting axle two and connecting rod, connecting rod one-to-one locates the middle department of connecting plate both sides, bracing piece one uses the connecting plate to be the symmetry setting as the center, bracing piece one other end lateral wall is located to the pivot, bracing piece two ends cup joint the pivot outside rotatable locate in the pivot, a one end is kept away from to the bracing piece in the pivot is located to the dog, a lateral wall is located in sliding sleeve one, a sliding sleeve two slide locates bracing piece lateral wall, a sliding sleeve one locates sliding sleeve one lateral wall middle department, a sliding sleeve two lateral wall middle department is located to the connecting axle two, the connecting rod rotates to be connected between connecting axle one and connecting axle two.
2. A protective cradle according to claim 1, wherein: through holes are formed in two sides of the upper portion of the connecting plate, and are symmetrically arranged.
3. A protective cradle according to claim 1, wherein: the center of the connecting plate is provided with a screw rod which is in threaded connection with the connecting plate.
4. A protective cradle according to claim 3, wherein: and a backing plate is arranged at the bottom of the screw.
5. A protective cradle according to claim 1, wherein: and one end, far away from the stop block, of the second supporting rod is in chamfering arrangement.
6. A protective cradle according to claim 1, wherein: and the lower parts of the first sliding sleeve and the second sliding sleeve are respectively provided with a first limit screw and a second limit screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582319.0U CN220059603U (en) | 2023-06-20 | 2023-06-20 | Protective bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582319.0U CN220059603U (en) | 2023-06-20 | 2023-06-20 | Protective bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059603U true CN220059603U (en) | 2023-11-21 |
Family
ID=88788051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321582319.0U Active CN220059603U (en) | 2023-06-20 | 2023-06-20 | Protective bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059603U (en) |
-
2023
- 2023-06-20 CN CN202321582319.0U patent/CN220059603U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |