CN217380610U - Large-span shallow-buried underground tunnel supporting structure - Google Patents
Large-span shallow-buried underground tunnel supporting structure Download PDFInfo
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- CN217380610U CN217380610U CN202220897396.4U CN202220897396U CN217380610U CN 217380610 U CN217380610 U CN 217380610U CN 202220897396 U CN202220897396 U CN 202220897396U CN 217380610 U CN217380610 U CN 217380610U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a stride shallowly to bury undercut tunnel supporting construction greatly, it includes: the bottom plate is positioned on one side, back to the supporting and protecting plate, of the mounting plate; the mounting plate is positioned below the supporting and protecting plate; the supporting component is connected to one side, back to the supporting and protecting plate, of the mounting plate; one end of the first buffer component is connected with the mounting plate, and the other end of the first buffer component is connected with the supporting and protecting plate; and one end of each second buffer assembly is connected with the mounting plate, and the other end of each second buffer assembly is connected with the first buffer assembly. The utility model discloses in pass through prop up the backplate with set up between the mounting panel first buffering subassembly with second buffering subassembly, thereby make prop up when backplate receives external force and strike, can carry out multiple buffering, improve equipment's shock-absorbing capacity greatly has avoided the phenomenon that takes place to damage when receiving external force of shallow undercut tunnel supporting construction of burying of stride greatly has improved constructor's security.
Description
Technical Field
The utility model relates to a tunnel support technical field, in particular to shallow undercut tunnel supporting construction that buries of stride greatly.
Background
In the shallow excavation construction that buries in tunnel, often need use supporting construction to protect constructor, but current supporting construction's buffering protective capacities is relatively poor, when having great rubble to fall down, can not play the effect of fine buffering, leads to supporting construction to damage easily, causes constructor injury even when serious.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art not enough, provide a shallow undercut tunnel supporting construction that buries of stride greatly to solve among the prior art the shallow undercut tunnel supporting construction that buries of stride greatly buffering protective capacities relatively poor and lead to the problem of supporting construction easy damage when receiving external force impact.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
the utility model provides a shallow undercut tunnel supporting construction of strides greatly, it includes:
supporting a guard plate;
the mounting plate is positioned below the supporting and protecting plate;
the supporting component is connected to one side, back to the supporting and protecting plate, of the mounting plate;
one end of the first buffer component is connected with the mounting plate, and the other end of the first buffer component is connected with the supporting and protecting plate; and
the first buffer assembly is connected with the mounting plate, and the second buffer assembly is connected with the first buffer assembly.
The shallow undercut tunnel supporting construction of burying of stride greatly, wherein, first buffer unit includes:
one end of the mounting column is connected with one side, facing the supporting and protecting plate, of the mounting plate, and the mounting column is provided with a first sliding groove;
the first spring is arranged in the first sliding groove, and one end of the first spring is connected with the bottom of the first sliding groove; and
one end of the buffer rod is connected with the bottom of the supporting and protecting plate, and the other end of the buffer rod is located in the first sliding groove and connected with the first spring.
The large-span shallow-buried underground tunnel supporting structure is characterized in that a plurality of second sliding chutes are arranged on the mounting plate, and the plurality of second sliding chutes correspond to the plurality of second buffer assemblies one by one;
the second buffer assembly includes:
one end of the connecting rod is hinged with the buffer rod;
the sliding block is hinged with one end, far away from the buffer rod, of the connecting rod;
the guide rod is arranged in the second sliding groove along the length direction of the second sliding groove, and the sliding block is sleeved on the guide rod and is in sliding connection with the guide rod; and
the second spring is sleeved on the guide rod and is positioned on one side, back to the connecting rod, of the sliding block.
The large-span shallow-buried underground tunnel supporting structure is characterized in that a plurality of abdicating chutes are formed in the mounting column, the abdicating chutes correspond to the second buffer assemblies one by one, the abdicating chutes are formed along the length direction of the mounting column, and the upper ends of the abdicating chutes are open;
the buffer rod is connected with a connecting block, the connecting block penetrates through the yielding chute, and the connecting rod is hinged to the portion, located outside the yielding chute, of the connecting block.
The supporting structure for the large-span shallow-buried underground excavation tunnel comprises two first buffer assemblies, wherein the two first buffer assemblies are arranged on the mounting plate at intervals;
the number of the second buffer assemblies is four, every two of the four second buffer assemblies are connected to the first buffer assembly and correspond to the same buffer assembly, and the two second buffer assemblies are symmetrically arranged at two sides of the corresponding first buffer assembly.
The shallow undercut tunnel supporting construction of burying of stride greatly, wherein, supporting component includes:
the bottom plate is positioned on one side, back to the supporting and protecting plate, of the mounting plate;
the adjustable support pieces are connected with the bottom plate at one ends and connected with the mounting plate at the other ends.
The shallow undercut tunnel supporting construction of burying of stride greatly, wherein, adjustable support piece includes:
one end of the mounting seat is connected with the bottom plate, and a third sliding groove is formed in the mounting seat;
one end of the lifting rod is connected with one side of the supporting plate in a back direction of the mounting plate, and the other end of the lifting rod is located in the third sliding groove and connected with the mounting seat in a sliding mode.
The large-span shallow-buried underground tunnel supporting structure comprises a mounting seat, a supporting plate and a supporting plate, wherein a waist-shaped hole is formed in the mounting seat and is arranged along the length direction of the mounting seat;
the lifting rod is connected with a screw rod, the screw rod penetrates through the waist-shaped hole, the part, located on the outer side of the mounting seat, of the screw rod is connected with a nut, and the nut is used for abutting against the outer side of the mounting seat and fixing the lifting rod in the third sliding groove.
The large-span shallow-buried underground tunnel supporting structure is characterized in that the number of the adjustable supporting pieces is 4, and the 4 adjustable supporting pieces are arranged between the bottom plate and the mounting plate in a matrix manner.
The large-span shallow-buried underground tunnel supporting structure is characterized in that one side, back to the adjustable supporting piece, of the bottom plate is provided with a plurality of universal wheels.
Has the advantages that: the utility model discloses in pass through prop up the backplate with set up between the mounting panel first buffering subassembly with second buffering subassembly, thereby make prop up when backplate receives external force and strike, can carry out multiple buffering, improve equipment's shock-absorbing capacity greatly has avoided the phenomenon that takes place to damage when receiving external force of shallow undercut tunnel supporting construction of burying of stride greatly has improved constructor's security.
Drawings
Fig. 1 is a first view of the support structure of the large-span shallow-buried underground tunnel provided by the present invention;
fig. 2 is a second view of the support structure of the large-span shallow-buried underground tunnel provided by the present invention;
FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2;
the labels in the figures are: 1. supporting the guard plate; 2. mounting a plate; 3. a support assembly; 31. a base plate; 32. an adjustable support; 321. a mounting seat; 322. a lifting rod; 4. a first buffer assembly; 41. mounting a column; 42. a first spring; 43. a buffer rod; 5. a second buffer assembly; 51. a connecting rod; 52. a slider; 53. a guide bar; 54. a second spring; 6. a first chute; 7. a second chute; 8. a yielding chute; 9. connecting blocks; 10. a third chute; 11. a waist-shaped hole; 12. a screw rod; 13. a nut; 14. a universal wheel; 15. an adjustable jacking assembly; 151. a connecting plate; 152. a sleeve; 153. a sliding post; 154. a chassis; 155. and jacking the bolt.
Detailed Description
The utility model provides a shallow undercut tunnel supporting construction that buries of strides greatly, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be further noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed in a specific direction, and operate, and therefore, the terms describing the positional relationships in the drawings are used only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiment provides a large-span shallow-buried underground excavation tunnel supporting structure, as shown in fig. 1 and fig. 2, the large-span shallow-buried underground excavation tunnel supporting structure includes a supporting plate 1, a mounting plate 2, a supporting component 3, at least one first buffer component 4 and a plurality of second buffer components 5; the mounting plate 2 is positioned below the supporting and protecting plate 1, and the supporting component 3 is connected to one side of the mounting plate 2, which is opposite to the supporting and protecting plate 1; one end of the first buffer component 4 is connected with the mounting plate 2, and the other end of the first buffer component is connected with the supporting and protecting plate 1; the supporting component 3, the mounting plate 2, the first buffer component 4 and the supporting and protecting plate 1 are sequentially connected from bottom to top; the first buffer component 4 is used for buffering when the support guard plate 1 is impacted by external force; each 5 homogeneous ends of second buffer assembly are connected mounting panel 2, and the other end is connected first buffer assembly 4, second buffer assembly 5 is used for the fender board 1 receives further buffering when external force strikes, in order to avoid the shallow tunnel supporting structure of digging of burying of stride suffers destruction.
The utility model discloses in through prop up backplate 1 with set up between the mounting panel 2 first buffering subassembly 4 with second buffering subassembly 5, thereby make when propping up backplate 1 and receiving external force impact, multiple buffering can be carried out, improve equipment's shock-absorbing capacity greatly has avoided the phenomenon that takes place to damage when the shallow tunnel supporting construction that buries of strides greatly receives external force has improved constructor's security.
As shown in fig. 3, the first damping assembly 4 includes a mounting post 41, a first spring 42, and a damping rod 43; one end of the mounting column 41 is connected with one side of the mounting plate 2 facing the support guard plate 1, and the mounting column 41 is perpendicular to the mounting plate 2; the mounting column 41 is provided with a first sliding chute 6, and the first sliding chute 6 is arranged along the length direction of the mounting column 41; the first spring 42 is arranged in the first sliding chute 6, and one end of the first spring 42 is connected with the bottom of the first sliding chute 6; one end of the buffer rod 43 is connected to the bottom of the supporting plate 1, and the other end is located in the first sliding groove 6 and connected to the first spring 42. When the side of the support plate 1 opposite to the mounting plate 2 is impacted by external force, for example, by falling rocks, the buffer rod 43 slides downward in the first sliding groove 6, and the first spring 42 deforms and contracts to buffer the support plate 1.
As shown in fig. 1 and 3, a plurality of second sliding grooves 7 are disposed on the mounting plate 2, the plurality of second sliding grooves 7 correspond to the plurality of second buffer assemblies 5 one to one, one end of each second sliding groove 7 is disposed near the corresponding mounting post 41, and the other end extends in a direction away from the mounting post 41. The second buffer assembly 5 comprises a connecting rod 51, a slide block 52, a guide rod 53 and a second spring 54; one end of the connecting rod 51 is hinged with the buffer rod 43, and the other end is hinged with the sliding block 52; the guide rod 53 is fixedly arranged in the second sliding chute 7 along the length direction of the second sliding chute 7, and the sliding block 52 is sleeved on the guide rod 53 and is in sliding connection with the guide rod 53; the second spring 54 is sleeved on the guide rod 53, the second spring 54 is located on a side of the slider 52 opposite to the connecting rod 51, one end of the second spring 54 is connected to the slider 52, and the other end of the second spring is connected to an end of the second chute 7 far away from the mounting post 41. When the support guard plate 1 is impacted by an external force, the buffer rod 43 slides downwards along the first sliding groove 6, at this time, the first spring 42 elastically contracts to achieve first buffering, meanwhile, one end, connected with the buffer rod 43, of the connecting rod 51 also moves downwards along with the buffer rod 43, the other end of the connecting rod 51 pushes the sliding block 52 to move towards the direction away from the buffer rod 43 along the guide rod 53, and at this time, the second spring 54 contracts by the sliding block 52 in a pressing deformation mode to achieve second buffering.
Furthermore, a plurality of abdicating chutes 8 are formed in the mounting column 41, and the abdicating chutes 8 correspond to the second buffer assemblies 5 one by one; the abdicating sliding groove 8 is arranged along the length direction of the mounting column 41, the abdicating sliding groove 8 is communicated with the first sliding groove 6, and the upper end of the abdicating sliding groove 8 is opened; be connected with connecting block 9 on the buffer beam 43, connecting block 9 wears to locate in the spout 8 of stepping down, connecting rod 51 with connecting block 9 is located the portion outside the spout 8 of stepping down is articulated mutually. When buffer beam 43 is in when sliding from top to bottom in first spout 6, connecting block 9 is in slide from top to bottom in the spout 8 of stepping down in step, through setting up the spout 8 of stepping down avoids connecting rod 51 is right buffer beam 43's removal forms the interference.
In a specific embodiment, there are two first buffer assemblies 4, the two first buffer assemblies 4 are arranged on the mounting plate 2 at intervals, and when the bottoms of the mounting plate 2 and the supporting and protecting plate 1 are both rectangular, a connecting line of the two first buffer assemblies 4 is simultaneously overlapped with a central axis of the mounting plate 2 and a central axis of the bottom of the supporting and protecting plate 1, so that the supporting and protecting plate 1 is supported evenly and stably; the number of the second buffer assemblies 5 is four, and four second buffer assemblies 5 are connected to the first buffer assembly 4 in pairs, that is, two of the four second buffer assemblies 5 are a group and divided into two groups, and one group of the second buffer assemblies 5 is connected to one first buffer assembly 4; corresponding to the same buffer assembly, the two second buffer assemblies 5 are symmetrically arranged at two sides of the corresponding first buffer assembly 4, so that when any buffer rod 43 descends, two sides of the buffer rod 43 can be stressed and buffered in a balanced manner.
The supporting assembly 3 comprises a bottom plate 31 and a plurality of adjustable supporting pieces 32, wherein the bottom plate 31 is positioned on the side of the mounting plate 2, which faces away from the supporting plate 1, namely, the bottom plate 31 is positioned below the mounting plate 2; one end of each adjustable support member 32 is connected with the bottom plate 31, and the other end is connected with the mounting plate 2; the base plate 31 is parallel to the mounting plate 2 and each of the adjustable supports 32 is perpendicular to the base plate 31.
Specifically, as shown in fig. 3, the adjustable support 32 includes a mounting seat 321 and a lifting rod 322, one end of the mounting seat 321 is connected to the bottom plate 31, and the mounting seat 321 is perpendicular to the bottom plate 31; the mounting seat 321 is internally provided with a third sliding chute 10, the third sliding chute 10 is arranged along the length direction of the mounting seat 321, and the upper end of the mounting seat 321 is open; one end of the lifting rod 322 is connected with one side of the mounting plate 2 back to the supporting plate 1, the other end of the lifting rod extends into the third chute 10 from the opening at the upper end of the mounting seat 321 and is connected with the mounting seat 321 in a sliding manner, and the overall height of the large-span shallow-buried underground tunnel supporting structure is adjusted by adjusting the position of the lifting rod 322 in the third chute 10 so as to adapt to the height inside the tunnel.
Further, a waist-shaped hole 11 is formed in the mounting seat 321, and the waist-shaped hole 11 is formed along the length direction of the mounting seat 321; the lifting rod 322 is connected with a screw rod 12, the screw rod 12 penetrates through the waist-shaped hole 11, a nut 13 is connected to the part, located on the outer side of the mounting seat 321, of the screw rod 12, and the nut 13 is used for abutting against the outer side of the mounting seat 321 to fix the lifting rod 322 in the third sliding groove 10. Initially, the nut 13 does not abut against the outer side wall of the mounting seat 321, and a constructor can hold the screw rod 12 to adjust the position of the lifting rod 322 in the third sliding groove 10 up and down until the height is adjusted to a preset height, and then screw down the nut 13 toward the direction of the waist-shaped hole 11 until the nut tightly abuts against the outer side wall of the mounting seat 321, so that the fixing of the lifting rod 322 in the third sliding groove 10 is completed.
In a specific embodiment, the bottom plate 31 and the mounting plate 2 are rectangular, the number of the adjustable supporting members 32 is 4, 4 the adjustable supporting members 32 are arranged between the bottom plate 31 and the mounting plate 2 in a matrix, and 4 the adjustable supporting members 32 are respectively connected to the bottom plate 31 or four corners of the mounting plate 2.
A plurality of universal wheels 14 are disposed on a side of the bottom plate 31 facing away from the adjustable supporting member 32, for example, the number of the universal wheels 14 is 4, and the 4 universal wheels 14 are respectively disposed at four corners below the bottom plate 31. Through setting up the universal wheel 14, made things convenient for shallow undercut tunnel supporting construction that buries of stride greatly, be convenient for with shallow undercut tunnel supporting construction that buries of stride greatly removes to treating the strut position.
Furthermore, a plurality of adjustable jacking components 15 are connected to the side edge of the bottom plate 31, and the adjustable jacking components 15 are used for erecting the bottom plate 31 to suspend the universal wheels 14 after the large-span shallow-buried underground excavation tunnel supporting structure moves to a position to be supported, so that the large-span shallow-buried underground excavation tunnel supporting structure is fixed on the ground and cannot move freely through the universal wheels 14, and the stability of the equipment is improved; for example, there are 4 adjustable supporting components 15, and two of the 4 adjustable supporting components 15 are disposed on two sides of the bottom plate 31 to improve the stability of the support of the bottom plate 31. Specifically, the adjustable jacking assembly 15 comprises a connecting plate 151, a sleeve 152, a sliding column 153, a bottom plate 154 and a jacking bolt 155; the connecting plate 151 is connected to a side of the bottom plate 31 and is parallel to the bottom plate 31; the sleeve 152 is connected to the bottom surface of the connection plate 151, and the sleeve 152 is opened downward; the side of the sleeve 152 has a threaded hole; the upper end of the sliding column 153 extends into the sleeve 152 and is connected with the sleeve 152 in a sliding manner; the chassis 154 is connected with the lower end of the sliding column 153, and the chassis 154 is used for abutting against the ground; the jacking bolt 155 is in threaded connection with the threaded hole. After the supporting structure of the large-span shallow-buried underground tunnel is moved to a position to be supported, a constructor can adjust each adjustable jacking component 15 one by one, and specifically, for any one adjustable jacking component 15, the constructor can pull the sliding column 153 to enable the upper end of the sliding column 153 to slide in the sleeve 152 to a proper position, and then screw the jacking bolt 155 to enable the jacking bolt 155 to tightly jack the sliding column 153, so that the sliding column 153 is fixedly connected with the sleeve 152.
To sum up, the utility model discloses a shallow undercut tunnel supporting construction that buries of stride greatly, it includes: the bottom plate is positioned on one side, back to the supporting and protecting plate, of the mounting plate; the mounting plate is positioned below the supporting and protecting plate; the supporting component is connected to one side, back to the supporting and protecting plate, of the mounting plate; one end of the first buffer component is connected with the mounting plate, and the other end of the first buffer component is connected with the supporting and protecting plate; and one end of each second buffer assembly is connected with the mounting plate, and the other end of each second buffer assembly is connected with the first buffer assembly. The utility model discloses in pass through prop up the backplate with set up between the mounting panel first buffering subassembly with second buffering subassembly, thereby make prop up when backplate receives external force and strike, can carry out multiple buffering, improve equipment's shock-absorbing capacity greatly has avoided the phenomenon that takes place to damage when receiving external force of shallow undercut tunnel supporting construction of burying of stride greatly has improved constructor's security.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a shallow undercut tunnel supporting construction of burying of stride greatly which characterized in that, it includes:
supporting a guard plate;
the mounting plate is positioned below the supporting and protecting plate;
the supporting component is connected to one side, back to the supporting and protecting plate, of the mounting plate;
one end of the first buffer component is connected with the mounting plate, and the other end of the first buffer component is connected with the supporting and protecting plate; and
the first buffer assembly is connected with the mounting plate, and the second buffer assembly is connected with the first buffer assembly.
2. The support structure for a long-span shallow-buried underground excavation tunnel according to claim 1, wherein the first buffer assembly comprises:
one end of the mounting column is connected with one side, facing the supporting and protecting plate, of the mounting plate, and the mounting column is provided with a first sliding groove;
the first spring is arranged in the first sliding groove, and one end of the first spring is connected with the bottom of the first sliding groove; and
one end of the buffer rod is connected with the bottom of the supporting and protecting plate, and the other end of the buffer rod is located in the first sliding groove and connected with the first spring.
3. The support structure for the large-span shallow-buried underground excavation tunnel according to claim 2, wherein a plurality of second sliding grooves are formed in the mounting plate, and correspond to a plurality of second buffer assemblies one by one;
the second buffer assembly includes:
one end of the connecting rod is hinged with the buffer rod;
the sliding block is hinged with one end, far away from the buffer rod, of the connecting rod;
the guide rod is arranged in the second sliding groove along the length direction of the second sliding groove, and the sliding block is sleeved on the guide rod and is in sliding connection with the guide rod; and
the second spring is sleeved on the guide rod and is positioned on one side, back to the connecting rod, of the sliding block.
4. The long-span shallow-buried underground excavation tunnel supporting structure according to claim 3, wherein a plurality of abdicating chutes are arranged on the mounting column, the abdicating chutes are in one-to-one correspondence with the second buffer assemblies, the abdicating chutes are arranged along the length direction of the mounting column, and the upper ends of the abdicating chutes are open;
the buffer rod is connected with a connecting block, the connecting block penetrates through the yielding chute, and the connecting rod is hinged to the portion, located outside the yielding chute, of the connecting block.
5. The support structure for the large-span shallow-buried underground excavation tunnel according to claim 1, wherein the number of the first buffer assemblies is two, and the two first buffer assemblies are arranged on the mounting plate at intervals;
the number of the second buffer assemblies is four, every two of the four second buffer assemblies are connected to the first buffer assembly and correspond to the same buffer assembly, and the two second buffer assemblies are symmetrically arranged at two sides of the corresponding first buffer assembly.
6. The support structure for a long-span shallow-buried underground excavation tunnel according to claim 1, wherein the support assembly comprises:
the bottom plate is positioned on one side, back to the supporting and protecting plate, of the mounting plate;
the adjustable support pieces are connected with the bottom plate at one end and connected with the mounting plate at the other end.
7. The support structure for a long-span shallow-buried underground excavation tunnel according to claim 6, wherein the adjustable support member comprises:
one end of the mounting seat is connected with the bottom plate, and a third sliding groove is formed in the mounting seat;
one end of the lifting rod is connected with one side of the supporting plate in a back direction of the mounting plate, and the other end of the lifting rod is located in the third sliding groove and connected with the mounting seat in a sliding mode.
8. The long-span shallow-buried underground excavation tunnel supporting structure according to claim 7, wherein a waist-shaped hole is formed in the mounting seat, and the waist-shaped hole is formed along the length direction of the mounting seat;
the lifting rod is connected with a screw rod, the screw rod penetrates through the waist-shaped hole, the part, located on the outer side of the mounting seat, of the screw rod is connected with a nut, and the nut is used for abutting against the outer side of the mounting seat and fixing the lifting rod in the third sliding groove.
9. The support structure for the long-span shallow-buried underground tunnel according to claim 6, wherein the number of the adjustable supporting members is 4, and 4 of the adjustable supporting members are arranged between the bottom plate and the mounting plate in a matrix.
10. The support structure for the long-span shallow-buried underground tunnel according to claim 6, wherein a plurality of universal wheels are arranged on one side of the bottom plate, which faces away from the adjustable supporting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897396.4U CN217380610U (en) | 2022-04-18 | 2022-04-18 | Large-span shallow-buried underground tunnel supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220897396.4U CN217380610U (en) | 2022-04-18 | 2022-04-18 | Large-span shallow-buried underground tunnel supporting structure |
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| CN217380610U true CN217380610U (en) | 2022-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104524A (en) * | 2023-04-14 | 2023-05-12 | 山西省交通新技术发展有限公司 | Bridge tunnel supporting member and using method thereof |
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2022
- 2022-04-18 CN CN202220897396.4U patent/CN217380610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104524A (en) * | 2023-04-14 | 2023-05-12 | 山西省交通新技术发展有限公司 | Bridge tunnel supporting member and using method thereof |
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