CN211648222U - Supporting device for coal mine tunnel - Google Patents
Supporting device for coal mine tunnel Download PDFInfo
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- CN211648222U CN211648222U CN202020306619.6U CN202020306619U CN211648222U CN 211648222 U CN211648222 U CN 211648222U CN 202020306619 U CN202020306619 U CN 202020306619U CN 211648222 U CN211648222 U CN 211648222U
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Abstract
The utility model discloses a supporting device for coal mine tunnel in coal mine tunnel struts field, including strutting the roof, strut roof bottom edge center and seted up the connection screw, connect the inside threaded connection of screw and have connecting screw, connecting screw bottom center is fixed with vertical pole, vertical screw has been seted up at vertical pole bottom center, the inside threaded connection of vertical screw has vertical adjusting screw, vertical adjusting screw bottom center is fixed with the support chassis, support chassis top edge and seted up the through-hole, the inside rotation of through-hole is pegged graft and is had the elasticity post, vertical pole table wall center is provided with the pivot, the horizon bar is installed to the pivot lateral wall, horizontal screw has been seted up at horizon bar tip center, horizontal screw installs horizontal adjusting screw in the inside screw thread, horizontal adjusting screw tip center is fixed with supplementary fagging.
Description
Technical Field
The utility model relates to a coal mine tunnel struts the field, specifically is a supporting device for coal mine tunnel.
Background
Coal mines in China are mainly mined underground, a large number of roadways need to be excavated underground, and the roadways are tunnels for mining lifting, transportation, ventilation, power supply and the like in the underground mining process. The supporting structure is used for keeping the use clearance of the cross section of a cavern, preventing the further deterioration of the rock quality, bearing various possible loads, keeping the safety of the support, providing enough resistance to the surrounding rock and maintaining the stability of the surrounding rock.
At present, chinese patent with application number CN201821727120.1 discloses a temporary supporting device for coal mine tunnels, which comprises a supporting arm arranged on a machine set body, a bayonet lock base arranged on the supporting arm, a supporting block hinged on the bayonet lock base, a first telescopic bracket and a second telescopic bracket fixedly arranged on the supporting block, and a first supporting plate and a second supporting plate connected to the first telescopic bracket through an oil cylinder and an ear seat. The supporting arm can rotate on the locomotive body of the unit to adjust the supporting height, the supporting block can rotate on the bayonet pin base, the four oil cylinders can stretch out and draw back along the length direction of the telescopic support, the first supporting plate and the second supporting plate rotate through the lug seats connected to the oil cylinders, and the supporting plate can be propped against the top of the roadway through the rotation of the supporting arm and the supporting block. The device has adopted the form of propping the backplate to strut the tunnel top, has the big advantage of supporting area, has effectively prevented before because the potential safety hazard that the support point is not enough and produce, but, when using the device to carry out colliery tunnel and strut, the installation of the device of being not convenient for, and the bearing structure stability of single foot is relatively poor. Based on this, the utility model designs a supporting device for coal mine tunnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supporting device for coal mine tunnel to propose in solving above-mentioned background, when using the device to carry out coal mine tunnel and strut, the installation of the device of being not convenient for, and the relatively poor problem of bearing structure stability of single foot.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a supporting device for coal mine tunnel, is including strutting the roof, strutting roof bottom edge center and having seted up the connection screw, the inside threaded connection of connection screw has connecting screw, connecting screw bottom center is fixed with vertical pole, vertical screw has been seted up at vertical pole bottom center, the inside threaded connection of vertical screw has vertical adjusting screw, vertical adjusting screw bottom center is fixed with the support chassis, support chassis top edge and seted up the through-hole, the inside rotation of through-hole is pegged graft and is had the elasticity post, vertical pole table wall center is provided with the pivot, the horizon bar is installed to the pivot lateral wall, horizontal screw has been seted up at horizon bar tip center, horizontal screw internally threaded mounting has horizontal adjusting screw, horizontal adjusting screw tip center is fixed with supplementary fagging.
Preferably, the supporting top plate is an upward convex arc-shaped plate, the connecting screw holes are symmetrically arranged at the centers of two sides of the bottom end of the supporting top plate and are arranged at three groups of connecting screw holes on each side at equal intervals, and the length of each connecting screw hole is greater than the depth of each connecting screw hole.
Preferably, the diameter of the vertical rod is larger than that of the connecting screw rod, the depth of the vertical screw hole is smaller than that of the vertical rod, and the length of the vertical adjusting screw rod is equal to that of the vertical screw hole.
Preferably, the fastening direction of the vertical adjusting screw and the vertical screw hole is the same as the fastening direction of the connecting screw and the connecting screw hole.
Preferably, the diameter of the supporting chassis is larger than that of the vertical adjusting screw rod, the number of the through holes is four, and the through holes are evenly arranged on the edge of the top end of the supporting chassis in a circumferential mode.
Preferably, the depth of the horizontal screw hole is smaller than that of the horizontal rod, and the length of the horizontal adjusting screw is slightly larger than that of the horizontal screw hole.
Compared with the prior art, the beneficial effects of the utility model are that: the supporting top plate is separated from the vertical rod by arranging the connecting screw hole and the connecting screw rod, and the supporting top plate and the vertical rod are installed by utilizing thread matching, so that the supporting device is convenient to use; by arranging the vertical screw holes and the vertical adjusting screws, the height of the supporting top plate can be adjusted according to specific requirements, and the supporting device is suitable for roadway supporting with various heights; by arranging the horizontal screw holes and the horizontal adjusting screw rods, the auxiliary supporting plates can be adjusted to be in contact with the side wall of the roadway, and the roadway is further supported; through setting up support chassis, through-hole and elastic column, utilize the elastic column to carry out supplementary support to vertical pole, improved the support intensity of vertical pole to supporting the roof, the support intensity of device has further been strengthened in the setting of the vertical pole of multiunit simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of the present invention;
fig. 4 is a schematic view of the cross-sectional structure of the present invention at B-B.
In the drawings, the components represented by the respective reference numerals are listed below:
1-supporting top plate, 2-connecting screw hole, 3-connecting screw rod, 4-vertical rod, 5-vertical screw hole, 6-vertical adjusting screw rod, 7-supporting base plate, 8-through hole, 9-elastic column, 10-rotating shaft, 11-horizontal rod, 12-horizontal screw hole, 13-horizontal adjusting screw rod and 14-auxiliary supporting 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 examples 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
as shown in figures 1, 2 and 3, the supporting device for the coal mine roadway comprises a supporting top plate 1, wherein the supporting top plate 1 is an upward convex arc-shaped plate, the center of the edge of the bottom of the supporting top plate 1 is provided with connecting screw holes 2, the connecting screw holes 2 are symmetrically arranged at the centers of two sides of the bottom end of the supporting top plate 1, the connecting screw holes 2 on each side are arranged in three groups at equal intervals, the connecting screw holes 2 are internally and threadedly connected with connecting screws 3, the length of each connecting screw 3 is greater than that of each connecting screw hole 2, a vertical rod 4 is fixed at the center of the bottom end of each connecting screw 3, the diameter of each vertical rod 4 is greater than that of each connecting screw 3, the center of the bottom end of each vertical rod 4 is provided with a vertical screw hole 5, the depth of each vertical screw hole 5 is less than that of each vertical rod 4, a vertical, the thread fastening direction of the vertical adjusting screw 6 and the vertical screw hole 5 is the same as the thread fastening direction of the connecting screw 3 and the connecting screw hole 2, a supporting chassis 7 is fixed at the center of the bottom end of the vertical adjusting screw 6, the diameter of the supporting chassis 7 is larger than that of the vertical adjusting screw 6, through holes 8 are formed in the edge of the top end of the supporting chassis 7, the through holes 8 are four groups in number, the circumferences of the through holes 8 are uniformly arranged on the edge of the top end of the supporting chassis 7, and elastic columns 9 are rotatably inserted in the through holes;
as shown in fig. 2 and 4, a rotating shaft 10 is arranged at the center of the surface wall of the vertical rod 4, a horizontal rod 11 is mounted on the side wall of the rotating shaft 10, a horizontal screw hole 12 is formed in the center of the end portion of the horizontal rod 11, the depth of the horizontal screw hole 12 is smaller than the length of the horizontal rod 11, a horizontal adjusting screw 13 is mounted in the horizontal screw hole 12 in a threaded manner, the length of the horizontal adjusting screw 13 is slightly larger than the depth of the horizontal screw hole 12, and an auxiliary supporting plate 14 is fixed at the center of the.
One specific application of this embodiment is: utilize connecting screw 3 and the screw-thread fit of connecting screw 2, link to each other vertical pole 4 and supporting roof 1, then according to the height in tunnel, utilize the screw-thread fit of vertical adjusting screw 6 and vertical screw 5, adjust the length that vertical adjusting screw 6 stretches out, make and strut roof 1 and closely touch the tunnel bottom, support and strut, install elastic column 9 in through-hole 8 after that, utilize elastic column 9's elasticity to support vertical pole 4, improve vertical pole 4 and to the support intensity who struts roof 1, then utilize horizontal adjusting screw 13 and horizontal screw 14's cooperation, adjust the length that horizontal adjusting screw 13 stretches out, make supplementary fagging 14 and tunnel lateral wall closely touch, strut tunnel lateral wall.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a supporting device for coal mine tunnel, includes supporting roof (1), its characterized in that: the support roof plate is characterized in that a connecting screw hole (2) is formed in the center of the bottom edge of the support roof plate (1), a connecting screw rod (3) is connected with the inside of the connecting screw hole (2) in a threaded manner, a vertical rod (4) is fixed at the center of the bottom end of the connecting screw rod (3), a vertical screw hole (5) is formed in the center of the bottom end of the vertical rod (4), a vertical adjusting screw rod (6) is connected with the inside of the vertical screw hole (5) in a threaded manner, a support chassis (7) is fixed at the center of the bottom end of the vertical adjusting screw rod (6), a through hole (8) is formed in the edge of the top end of the support chassis (7), an elastic column (9) is inserted in the through hole (8) in a rotating manner, a rotating shaft (10) is arranged at the center of the surface wall of the vertical rod (4), a horizontal rod (11), an auxiliary supporting plate (14) is fixed at the center of the end part of the horizontal adjusting screw rod (13).
2. A support device for a coal mine roadway as claimed in claim 1, wherein: support roof (1) and be the arc of epirelief, connection screw (2) symmetry sets up at the connection screw (2) total three groups and equidistant setting of supporting roof (1) bottom both sides center and every side, the length of connecting screw (3) is greater than the degree of depth of connecting screw (2).
3. A support device for a coal mine roadway as claimed in claim 1, wherein: the diameter of the vertical rod (4) is larger than that of the connecting screw rod (3), the depth of the vertical screw hole (5) is smaller than that of the vertical rod (4), and the length of the vertical adjusting screw rod (6) is equal to that of the vertical screw hole (5).
4. A support device for a coal mine roadway as claimed in claim 1, wherein: the direction of the thread fastening of the vertical adjusting screw rod (6) and the vertical screw hole (5) is the same as the direction of the thread fastening of the connecting screw rod (3) and the connecting screw hole (2).
5. A support device for a coal mine roadway as claimed in claim 1, wherein: the diameter of the supporting base plate (7) is larger than that of the vertical adjusting screw (6), four groups of through holes (8) are formed, and the circumference of the through holes is uniformly formed in the edge of the top end of the supporting base plate (7).
6. A support device for a coal mine roadway as claimed in claim 1, wherein: the depth of the horizontal screw hole (12) is smaller than the length of the horizontal rod (11), and the length of the horizontal adjusting screw rod (13) is slightly larger than the depth of the horizontal screw hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020306619.6U CN211648222U (en) | 2020-03-13 | 2020-03-13 | Supporting device for coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020306619.6U CN211648222U (en) | 2020-03-13 | 2020-03-13 | Supporting device for coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648222U true CN211648222U (en) | 2020-10-09 |
Family
ID=72687787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020306619.6U Expired - Fee Related CN211648222U (en) | 2020-03-13 | 2020-03-13 | Supporting device for coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832829A (en) * | 2021-02-18 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | Supporting method and supporting device based on guided release confined water technology |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
-
2020
- 2020-03-13 CN CN202020306619.6U patent/CN211648222U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832829A (en) * | 2021-02-18 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | Supporting method and supporting device based on guided release confined water technology |
| CN112832829B (en) * | 2021-02-18 | 2022-02-25 | 淮北市平远软岩支护工程技术有限公司 | Supporting method and supporting device based on guided release confined water technology |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
| CN114060077B (en) * | 2021-11-09 | 2023-12-22 | 济宁学院 | Quick supporting device for coal mine tunnel fault |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |