CN220059612U - Large-span roadway support structure - Google Patents
Large-span roadway support structure Download PDFInfo
- Publication number
- CN220059612U CN220059612U CN202321461335.4U CN202321461335U CN220059612U CN 220059612 U CN220059612 U CN 220059612U CN 202321461335 U CN202321461335 U CN 202321461335U CN 220059612 U CN220059612 U CN 220059612U
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- Prior art keywords
- truss
- stand
- upright posts
- support structure
- roadway support
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 210000003205 muscle Anatomy 0.000 claims description 8
- 239000003351 stiffener Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 238000005728 strengthening Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a large-span roadway support structure, which comprises two groups of upright posts, wherein trusses are fixed at the top ends of the upright posts on two sides, transverse groove structures are arranged at the two sides of the bottom end of the trusses, top plates are arranged in the transverse grooves, side ribs are arranged in the upright posts on each side, reinforcing rods are arranged between the trusses and the upright posts, the two ends of the reinforcing rods are fixedly connected with the upright posts and between the top plates and the trusses through locking bolts and nuts, the upright posts are of an inwards concave structure, the two structures can be clamped by bulges and grooves, the reinforcing rods are fixedly connected with the upright posts and the trusses, and the transverse groove structures arranged in the trusses can facilitate the installation and the fixation of the top plates.
Description
Technical Field
The utility model relates to the field of roadway support devices, in particular to a large-span roadway support structure.
Background
The frame shed support is used as one of important support modes of coal mine tunnel, and has a plurality of advantages: the strength is high, the ground pressure can be supported greatly, the service life is long, the ground pressure can be reused for multiple times, the installation is easy, the fire resistance is strong, a contractible structure can be manufactured if necessary, the initial investment is large, but the ground pressure can be recycled, and the cost is low.
In order to improve the supporting effect, the traditional method is to additionally arrange a shed leg in the middle of the long-span I-steel shed roof beam, but the roadway transportation is affected to a certain extent, and the application range is limited. How to better play the function of the large-span frame shed support, reduce the deformation damage caused by the roof pressing to the I-steel shed roof beam, reduce the influence of the support on the roadway transportation and become the urgent need to be solved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a large-span roadway support structure, through a plurality of groups of upright post structures, a user can install upright posts according to roadway requirements, a top truss and upright posts on two sides are clamped, and as the bottom ends of the trusses are provided with convex structures, the upright posts are of concave structures, so that the convex structures and the concave structures can be clamped, then reinforcing rods and the upright posts are fixedly connected with the trusses, and transverse groove structures arranged in the trusses can facilitate the top plate to be installed and fixed, and finally the transverse groove structures are connected and fixed through locking bolts and nuts, so that the large-span roadway support structure has the effect of reinforcing and fixing.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a large-span roadway support structure, includes two sets of stands, both sides the top of stand is fixed with the truss, horizontal groove structure has all been seted up to the bottom both sides of truss, is provided with the roof in horizontal groove, every side all be provided with the side muscle in the stand, be provided with the stiffener between truss and the stand, all carry out fastening connection through lock bolt and nut between both ends and stand and the truss, between roof and the truss of stiffener, carry out fixed connection through the nut between side muscle and the stand.
As a preferable technical scheme of the utility model, the upright post and the top plate are both structures with grooves formed in one side inwards, and the truss is a structure with bulges arranged in the middle outwards.
As a preferable technical scheme of the utility model, two ends of the reinforcing rod are respectively fixed on the outer side of the bulge of the truss and the inner side surface of the upright post, and two groups of reinforcing rods are arranged on one side of one group of upright post.
As a preferable technical scheme of the utility model, the reinforcing rods are two in one group, and three groups are arranged on the upright post at one side.
As a preferable embodiment of the present utility model, the top plate is arranged with two groups.
Compared with the prior art, the utility model has the following beneficial effects:
1. in this device, through the multiunit stand structure that sets up, the user can install the stand as required in the tunnel, establish top truss and the stand of both sides card, owing to the bottom of truss is provided with protruding structure, the stand is indent structure, so both structures can carry out protruding and recess's card and establish, carry out fixed connection with stiffener and stand and truss again, the transverse groove structure of seting up in the truss, can make things convenient for the roof to install fixedly, connect fixedly through lock bolt and nut at last, play the effect of strengthening fixedly, and be connected through stiffener and bottom inner column, reduce the direct push down of top truss to the stand, play the effect of changing moment, reduce the downforce of bottom stand, this device is than with current structure, have quick assembly disassembly is fixed, the effect of strengthening the connection effect, be applicable to the underground tunnel of large-span.
2. In this device, through the side muscle structure that sets up, can the person of facilitating the use lay this device in crooked tunnel, crooked side muscle makes up fixed connection with the stand, and the stand passes through the stock to be connected with the tunnel wallboard, plays the effect of support, simultaneously, has satisfied the support work in current crooked tunnel, also is applicable to the roadway support of jumbo size, large-span.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the bottom structure of the present utility model;
fig. 3 is a front view of the structure of the present utility model.
Wherein: 1. a column; 2. truss; 3. a top plate; 31. a locking bolt; 4. side ribs; 5. and a reinforcing rod.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-3, the utility model provides a large-span roadway support structure, which comprises two groups of upright posts 1, wherein the top ends of the upright posts 1 on two sides are fixedly provided with trusses 2, the two sides of the bottom end of each truss 2 are respectively provided with a transverse groove structure, a top plate 3 is arranged in each transverse groove, each side upright post 1 is internally provided with a side rib 4, a reinforcing rod 5 is arranged between each truss 2 and each upright post 1, two ends of each reinforcing rod 5 are fixedly connected with each upright post 1 and each truss 2 through locking bolts 31 and nuts, and each side rib 4 is fixedly connected with each upright post 1 through each nut; through the side muscle 4 structure that sets up, can the person of facilitating the use lay this device in crooked tunnel, crooked side muscle 4 makes up fixed connection with stand 1, and stand 1 passes through the stock to be connected with the tunnel wallboard, plays the effect of support, simultaneously, has satisfied the support work in current crooked tunnel, also is applicable to the roadway support of jumbo size, large-span.
In other embodiments, the upright posts 1 and the top plate 3 are both structures with grooves formed in one side inwards, the truss 2 is a structure with a protrusion formed in the middle outwards, two ends of the reinforcing rods 5 are respectively fixed on the outer side of the protrusion of the truss 2 and the inner side surface of the upright posts 1, two groups of reinforcing rods 5 are arranged on one side of one group of upright posts 1, two groups of reinforcing rods 5 are arranged on one group of upright posts 1, three groups of reinforcing rods are arranged on one side of the upright posts 1, and two groups of top plates 3 are arranged on one group of upright posts; through the multiunit stand 1 structure that sets up, the user can install stand 1 as required in the tunnel, establish top truss 2 and stand 1 card of both sides, owing to the bottom of truss 2 is provided with protruding structure, stand 1 is indent structure, so both structures can carry out protruding and recess's card and establish, carry out fixed connection with stiffener 5 and stand 1 and truss 2 again, the transverse groove structure of seting up in the truss 2, can make things convenient for roof 3 to install fixedly, connect fixedly through lock bolt 31 and nut at last, play the effect of strengthening fixedly, this device is than with current structure, have quick assembly disassembly fixedly, the effect of strengthening the connection effect, be applicable to the underground tunnel of large-span.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a large-span roadway support structure, includes two sets of stand (1), its characterized in that: both sides the top of stand (1) is fixed with truss (2), horizontal groove structure has all been seted up to the bottom both sides of truss (2), is provided with roof (3) in horizontal groove, every side all be provided with side muscle (4) in stand (1), be provided with stiffener (5) between truss (2) and stand (1), between both ends and stand (1) and truss (2) of stiffener (5), all carry out fastening connection through locking bolt (31) and nut between roof (3) and truss (2), carry out fixed connection through the nut between side muscle (4) and stand (1).
2. The large-span roadway support structure of claim 1, wherein: the upright post (1) and the top plate (3) are both of structures with grooves formed in one side inwards, and the truss (2) is of a structure with protrusions formed in the middle outwards.
3. The large-span roadway support structure of claim 2, wherein: the two ends of the reinforcing rods (5) are respectively fixed on the outer side of the bulge of the truss (2) and the inner side surface of the upright post (1), and two groups of reinforcing rods (5) are arranged on one side of one group of upright posts (1).
4. The large-span roadway support structure of claim 1, wherein: the reinforcing rods (5) are two in one group, and three groups are arranged on the upright post (1) at one side.
5. The large-span roadway support structure of claim 1, wherein: the top plate (3) is provided with two groups in a arrayed manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321461335.4U CN220059612U (en) | 2023-06-09 | 2023-06-09 | Large-span roadway support structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321461335.4U CN220059612U (en) | 2023-06-09 | 2023-06-09 | Large-span roadway support structure |
Publications (1)
Publication Number | Publication Date |
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CN220059612U true CN220059612U (en) | 2023-11-21 |
Family
ID=88788226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321461335.4U Active CN220059612U (en) | 2023-06-09 | 2023-06-09 | Large-span roadway support structure |
Country Status (1)
Country | Link |
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CN (1) | CN220059612U (en) |
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2023
- 2023-06-09 CN CN202321461335.4U patent/CN220059612U/en active Active
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