CN219993721U - Small coal pillar exploitation protection shock attenuation facility - Google Patents
Small coal pillar exploitation protection shock attenuation facility Download PDFInfo
- Publication number
- CN219993721U CN219993721U CN202321319201.9U CN202321319201U CN219993721U CN 219993721 U CN219993721 U CN 219993721U CN 202321319201 U CN202321319201 U CN 202321319201U CN 219993721 U CN219993721 U CN 219993721U
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- CN
- China
- Prior art keywords
- fixedly connected
- lead screw
- coal pillar
- hinge arm
- base
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- 239000003245 coal Substances 0.000 title claims abstract description 34
- 230000035939 shock Effects 0.000 title claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000005065 mining Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a small coal pillar exploitation protection and shock absorption facility which comprises a base, wherein a tunnel and a coal pillar area are arranged on one side of the base, and a screw rod mechanism is fixedly connected to the top end of the base. This little coal pillar exploitation protection shock attenuation facility connects the vaulting pole one of articulated arm two one ends and the vaulting pole two on the articulated arm three of being connected through articulated arm one end, will realize the distance between the two and lengthen, at the surface mounting arc board of vaulting pole one and vaulting pole two, laminating forms the support to avoiding at the coal pillar district wall, and the vaulting pole one and the vaulting pole two of setting are under the support of lead screw mechanism to and under the fixed of base to the coal way on the lead screw mechanism cooperation, under the wall vibration of meetting, can avoid its tie point to appear the problem emergence that breaks away from.
Description
Technical Field
The utility model relates to the field of coal pillar protection, in particular to a small coal pillar exploitation protection damping facility.
Background
Coal is the most predominant solid fuel, one of the combustible organic rocks. The plant is formed by gradually accumulating a plurality of plants growing in a certain geologic period into a thick layer in a proper geologic environment, burying the thick layer in water bottom or sediment, and performing natural coalification in the long geologic period; coal mines are areas where human beings are mining coal resources in coal-rich mining areas, and coal extraction requires positioning of coal pillar walls, so that damage to the coal pillar walls is avoided, and support needs to be added.
Disclosure of Invention
The utility model aims to provide a small coal pillar mining protection and shock absorption facility so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a little coal pillar exploitation protection shock attenuation facility, includes the base, one side of base is provided with tunnel and coal pillar district, the top fixedly connected with screw rod mechanism of base, push rod one is installed on the top of screw rod mechanism, the order fixedly connected with connecting block of push rod one, the back fixedly connected with fixed block of screw rod mechanism, wear the groove has all been seted up to the surface left and right sides of fixed block, the notch position sliding connection who wears the groove has the traveller, the one end and the connecting block fixed connection of traveller, the other end fixedly connected with articulated arm two of traveller, the vaulting pole one is installed to the one end of articulated arm two.
As still further aspects of the utility model: the upper part of the back of the fixed block is rotationally connected with a first hinge arm, the first hinge arm is hinged with a second hinge arm, one end of the first hinge arm is hinged with a third hinge arm, and one end of the third hinge arm is provided with a second stay bar.
As still further aspects of the utility model: the motor is installed to the inner chamber bottom of lead screw mechanism, and the lead screw is installed to the drive end of motor, threaded connection has a lead screw section of thick bamboo one on the outer wall of lead screw, the outer wall fixedly connected with lead screw section of thick bamboo two of lead screw section of thick bamboo one, the side fixedly connected with slider of lead screw section of thick bamboo two, slider and the inner chamber wall sliding connection of lead screw mechanism.
As still further aspects of the utility model: the top of the screw rod barrel II is fixedly connected with an L-shaped connecting sheet, the top of the L-shaped connecting sheet is provided with a push rod I, and the push rod I is fixedly connected with the L-shaped connecting sheet.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses, after push rod upwards shifts, promote the slide column of connecting block and back connection and displace at the notch of wearing the groove, because articulated arm two that slide column one end is connected and articulated arm one at the position on the fixed block back are articulated, after articulated arm upwards shifts, will reach articulated arm one and articulated arm two and expand, connect the vaulting pole one at articulated arm two one end and the vaulting pole two on the articulated arm three of being connected through articulated arm one-to-one, will realize the distance between the two and lengthen, at the surface mounting arc board of vaulting pole one and vaulting pole two, the laminating forms the support to avoiding at the coal pillar district wall, the vaulting pole one and the vaulting pole two of setting are under the support of screw mechanism, and screw mechanism cooperates under the fixed of base to the coal way, can avoid its tie point to appear breaking away from under the wall vibration, its structure is more optimized, the design is more reasonable.
Drawings
Fig. 1 is a schematic structural view of a small coal pillar mining protection and shock absorption facility.
Fig. 2 is an assembly diagram of a screw mechanism and a tunnel in a small coal pillar mining protection and shock absorption facility.
Fig. 3 is an enlarged view of a portion a of fig. 1 of a small coal pillar mining protection and shock absorber installation.
In the figure: tunnel 1, coal pillar area 2, lead screw 3, lead screw section of thick bamboo one 4, base 5, lead screw mechanism 6, push rod one 7, wear groove 8, connecting block 9, dead lever 10, articulated arm one 11, articulated arm two 12, vaulting pole one 13, vaulting pole two 14, articulated arm three 15, slide column 16, dead block 17, slider 18, lead screw section of thick bamboo two 19.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, in an embodiment of the present utility model, a protection and shock absorption facility for small coal pillar mining includes a base 5, one side of the base 5 is provided with a tunnel 1 and a coal pillar area 2, a first hinge arm 11 is fixedly connected to a top end of the base 5, a first push rod 7 is mounted at a contact position of the first hinge arm 11, a connecting block 9 is fixedly connected to an order of the first push rod 7, a fixed block 17 is fixedly connected to a back surface of the first hinge arm 6, through grooves 8 are formed on left and right sides of a surface of the fixed block 17, a sliding column 16 is slidably connected to a notch portion of the through grooves 8, one end of the sliding column 16 is fixedly connected to the connecting block 9, the other end of the sliding column 16 is fixedly connected to a second hinge arm 12, one end of the second hinge arm 12 is provided with a supporting rod 13, an upper portion of the back surface of the fixed block 17 is rotatably connected to a first hinge arm 11, one end of the hinge arm 11 is hinged to a second hinge arm 12, one end of the hinge arm 15 is hinged to a second hinge arm 14, a bottom end of an inner cavity of the screw mechanism 6 is provided with a motor, a driving end of the motor is mounted at a first end of the motor, a first screw 4 is fixedly connected to an outer wall of the screw rod 3, a second screw 4 is fixedly connected to a connecting piece 19 is fixedly connected to a side of the first hinge arm 19, and is fixedly connected to a second connecting piece 19 is fixedly connected to a connecting piece of the side of the first hinge arm 19, and is fixedly connected to a connecting piece 19.
The working principle of the utility model is as follows: when in use: a motor arranged at the power transmission end of the control screw rod 3 operates to drive the screw rod 3 to rotate, after the screw rod 3 rotates, the screw rod cylinder I4 is driven to move up and down, the screw rod cylinder II 19 arranged on the outer wall of the screw rod cylinder I4 is in butt joint with the push rod I7, and the push rod I7 is further pushed to move up and down;
the screw rod cylinder II 19 connected with the outer wall of the screw rod cylinder I4 is matched with the upper sliding block 18 to be in sliding connection with the inner cavity wall of the screw rod mechanism 6, so that the screw rod cylinder I4 is limited to rotate in the screw rod 3 to perform up-down displacement operation;
after the push rod I7 moves upwards, the connecting block 9 and the sliding column 16 connected with the back face are pushed to move at the notch of the through groove 8, as the hinge arm II 12 connected with one end of the sliding column 16 is hinged with the hinge arm I11 on the upper part of the back face of the fixed block 17, after the hinge arm II 12 moves upwards, the hinge arm I11 and the hinge arm II 12 can be unfolded, the distance between the hinge arm I13 connected with one end of the hinge arm II 12 and the hinge arm II 14 connected with one end of the hinge arm I11 can be prolonged, arc plates are assembled on the surfaces of the hinge arm I13 and the hinge arm II 14, the support for avoiding is formed on the wall of a coal column zone, the hinge arm I13 and the hinge arm II 14 are arranged under the support of the screw rod mechanism 6, and the screw rod mechanism 6 is matched with the base 5 to fix a coal channel, and the problem of separation of the connecting point can be avoided under the condition of encountering wall vibration.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. The utility model provides a little coal pillar exploitation protection shock attenuation facility, includes base (5), its characterized in that: one side of base (5) is provided with tunnel (1) and coal pillar district (2), the top fixedly connected with screw mechanism (6) of base (5), push rod one (7) is installed on the top of screw mechanism (6), order fixedly connected with connecting block (9) of push rod one (7), back fixedly connected with fixed block (17) of screw mechanism (6), wear groove (8) have all been seted up to the surface left and right sides of fixed block (17), the notch position sliding connection who wears groove (8) has traveller (16), the one end and the connecting block (9) fixedly connected with of traveller (16), the other end fixedly connected with articulated arm two (12) of traveller (16), strut one (13) are installed to the one end of articulated arm two (12).
2. The small coal pillar mining protection and shock absorption facility according to claim 1, wherein: the upper back of the fixed block (17) is rotationally connected with a first hinge arm (11), the first hinge arm (11) is hinged to a contact part of a second hinge arm (12), one end of the first hinge arm (11) is hinged to a third hinge arm (15), and one end of the third hinge arm (15) is provided with a second stay bar (14).
3. The small coal pillar mining protection and shock absorption facility according to claim 1, wherein: the motor is installed to the inner chamber bottom of lead screw mechanism (6), and lead screw (3) are installed to the drive end of motor, threaded connection has lead screw section of thick bamboo one (4) on the outer wall of lead screw (3), the outer wall fixedly connected with lead screw section of thick bamboo two (19) of lead screw section of thick bamboo one (4), the side fixedly connected with slider (18) of lead screw section of thick bamboo two (19), the inner chamber wall sliding connection of slider (18) and lead screw mechanism (6).
4. A small coal pillar mining protection and shock absorption facility according to claim 3, wherein: the top of the screw rod barrel II (19) is fixedly connected with an L-shaped connecting sheet, the top of the L-shaped connecting sheet is provided with a push rod I (7), and the push rod I (7) is fixedly connected with the L-shaped connecting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319201.9U CN219993721U (en) | 2023-05-29 | 2023-05-29 | Small coal pillar exploitation protection shock attenuation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319201.9U CN219993721U (en) | 2023-05-29 | 2023-05-29 | Small coal pillar exploitation protection shock attenuation facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219993721U true CN219993721U (en) | 2023-11-10 |
Family
ID=88608437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321319201.9U Active CN219993721U (en) | 2023-05-29 | 2023-05-29 | Small coal pillar exploitation protection shock attenuation facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219993721U (en) |
-
2023
- 2023-05-29 CN CN202321319201.9U patent/CN219993721U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |