CN114232687B - Separation strutting arrangement suitable for suspension tunnel anchor rope - Google Patents
Separation strutting arrangement suitable for suspension tunnel anchor rope Download PDFInfo
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- CN114232687B CN114232687B CN202111441556.0A CN202111441556A CN114232687B CN 114232687 B CN114232687 B CN 114232687B CN 202111441556 A CN202111441556 A CN 202111441556A CN 114232687 B CN114232687 B CN 114232687B
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- separation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/067—Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed
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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
Abstract
The invention relates to a separation supporting device suitable for a suspension tunnel anchor cable, which comprises a supporting base and a plurality of groups of supporting components, wherein the supporting base consists of an upper rigid wheel disc, a lower rigid wheel disc and a supporting cylinder, the two rigid wheel discs are respectively and symmetrically fixed on the upper side and the lower side of the supporting cylinder, a plurality of open-pore sliding grooves are formed in the upper rigid wheel disc and the lower rigid wheel disc, the open-pore sliding grooves in the two rigid wheel discs are vertically and symmetrically arranged, the supporting components are arranged between the two rigid wheel discs, and two ends of the supporting components are respectively sleeved in the open-pore sliding grooves which are vertically and symmetrically arranged and are fixed through nuts, and the supporting components move along the open-pore sliding grooves to adjust the orientation angle and the fixed position of the supporting components. The separation supporting device can maintain the distance between the parallel anchor cables of the suspension tunnel, and avoid the phenomenon that the anchor cables collide with each other and are wound under the transverse action of underwater ocean currents and the like.
Description
Technical Field
The invention relates to the field of suspension tunnel engineering, in particular to a separation supporting device suitable for suspension tunnel anchor cables.
Background
The suspension tunnel construction is focused by a plurality of expert scholars since 2018 is selected as 60 major scientific and engineering technical problems facing the future in China. Scheme improvement is provided for the section form of the pipe section structure in the suspended water, the anchoring and supporting system among the structural foundations, the connection mode of the tunnel pipe body and the revetment section and the like. The suspended tunnels are used as underwater traffic structures to span long and large water areas, the water depths of the water areas are often tens of meters, local areas are even hundreds of meters, and meanwhile, the complex water area environment also has high requirements on the safety, reliability, durability and the like of the supporting anchor cable system. When the suspended tunnel operates underwater, the anchor cable supported by the suspended tunnel needs to provide vertical tension to the integral structure and limit the tunnel pipe body to generate excessive displacement. However, tension cables are more difficult to maintain with good linearity due to their own weight sag. Meanwhile, due to the transverse action of underwater ocean currents, the supporting anchor cables with the side-by-side structures can collide or wind each other in the environment, so that the overall supporting action of the anchor cables is damaged, and a great safety risk exists. Therefore, it is necessary to provide a separation supporting device suitable for the suspension tunnel anchor cable, so as to fully exert the function of supporting the anchor cable, promote the overall rigidity of the anchor cable, maintain the basic linearity of the anchor cable, and avoid the phenomenon of mutual collision and winding between the side-by-side anchor cables.
Disclosure of Invention
In view of the shortcomings of the prior art, the technical problem to be solved by the invention is to provide the separation supporting device suitable for the anchor cable of the suspension tunnel, which has the advantages of simple structure and convenience in installation, can maintain the distance between the anchor cables of the suspension tunnel side by side, avoids the phenomenon that the anchor cables collide with each other and are wound under the transverse action of underwater ocean currents and the like, enhances the overall lateral rigidity of the anchor cable, and is beneficial to the overall stress of the anchor cable.
The invention is completed by adopting the following technical scheme: the utility model provides a separation strutting arrangement suitable for suspension tunnel anchor rope, includes support base and multiunit supporting component, support the base and constitute by last rigid rim plate, lower rigid rim plate and support a section of thick bamboo, go up rigid rim plate and lower rigid rim plate respectively symmetrical to be fixed in support a section of thick bamboo upper and lower both sides, go up rigid rim plate and lower rigid rim plate on all having a plurality of trompil spouts, the trompil spout on two rigid rims sets up symmetrically from top to bottom, supporting component locates between two rigid rims, and supporting component both ends cup joint respectively in the trompil spout of upper and lower symmetry and fix on support base through the nut, and supporting component moves along the trompil spout and adjusts supporting component orientation angle and fixed position.
Further, the supporting component comprises a supporting screw rod and at least two cantilever connecting rods, two end parts of the supporting screw rod are respectively sleeved in the corresponding perforated sliding grooves from top to bottom and are movably adjusted along the perforated sliding grooves, two ends of the supporting screw rod are provided with external threads matched with nuts, the nuts are in threaded connection with two ends or the upper end parts of the supporting screw rod, one end of each cantilever connecting rod is sleeved and fixed on the supporting screw rod, the other end of each cantilever connecting rod is provided with a rigid telescopic rod with adjustable length, and an anchor cable buckle is fixed at the rear end part of each rigid telescopic rod.
Further, the cantilever connecting rod is hollow, the front end of the rigid telescopic rod is sleeved in the cantilever connecting rod and provided with an adjusting knob, and the length of the rigid telescopic rod is adjusted and controlled by the adjusting knob.
Further, the buckle comprises a buckle base and a buckle ring, wherein the buckle base is welded and fixed on the rigid telescopic rod, and the buckle ring is adjustably connected to the buckle base through a buckle nut.
Further, the open-pore chute is a chute with radian.
Further, a plurality of limiting holes are formed in two sides of the perforated sliding groove, a fixed disc is arranged on the supporting component, at least two fixing screws are arranged on the fixed disc, the fixing screws extend towards the direction of the rigid wheel disc, and after the supporting component moves along the perforated sliding groove to adjust the orientation angle and the fixed position of the supporting component, the fixing screws penetrate through the limiting holes and are fastened through nuts.
Further, the support cylinder is an adjustable support cylinder, the adjustable support cylinder comprises an upper support cylinder and a lower support cylinder, an adjusting thread cylinder is arranged at the lower end part of the upper support cylinder, one end of the adjusting thread cylinder is connected with the inner cavity of the lower support cylinder in a threaded manner and can rotate along the inner cavity of the lower support cylinder in an adjustable manner, and the distance between the upper support cylinder and the lower support cylinder is adjusted by rotating the adjusting thread cylinder.
Further, the adjusting screw thread section of thick bamboo includes connecting portion and fixes the adjusting part in the connecting portion below, and connecting portion upper end has the ring shape connecting block, have in the upper rigid rim plate with the slotted hole of ring shape connecting block adaptation, ring shape connecting block is arranged in the slotted hole and can rotate in the slotted hole, the upper opening part of lower support section of thick bamboo is established spacing protruding edge, and connecting portion lower extreme portion passes spacing protruding edge and adjusting part fixed connection, the cavity inner wall of lower support section of thick bamboo sets up the internal thread, the adjusting part outer wall has the external screw thread with lower support section of thick bamboo inner wall adaptation, and adjusting part rotatable threaded connection is in lower support section of thick bamboo inner chamber, and when adjusting the distance between upper rigid rim plate and the lower rigid rim plate, rotate adjusting screw thread section of thick bamboo, adjusting part can follow lower support section of thick bamboo inner chamber upper and lower screw thread rotation.
Further, a handheld part is arranged on the connecting part and is positioned between the upper rigid wheel disc and the lower rigid wheel disc.
Further, a through hole communicated with the inner cavity of the lower supporting cylinder is formed in the middle of the lower rigid wheel disc, the inner cavity of the lower supporting cylinder is in threaded connection with a limiting cylinder, the limiting cylinder is located below the adjusting part, the outer wall of the limiting cylinder is provided with external threads matched with the inner wall of the lower supporting cylinder, the inner wall of the through hole is provided with internal threads matched with the external threads of the limiting cylinder, and the lower end of the lower supporting cylinder is inserted into the inner cavity of the lower supporting cylinder in a rotatable threaded manner.
The invention has the beneficial effects that:
(1) The separation supporting device can maintain the distance between the parallel anchor cables of the suspension tunnel, and avoid the phenomenon that the anchor cables collide with each other and are wound under the transverse action of underwater ocean currents and the like.
(2) The separation supporting device is connected with a plurality of anchor cables side by side, maintains the basic linearity of the anchor cables, enhances the overall lateral rigidity of the anchor cables, and is beneficial to the overall stress of the anchor cables.
(3) The adjusting knob and the sliding groove are arranged in the separation supporting device, the angle and the extension length of the fastening piece can be adjusted according to the arrangement space and the mode of the anchor cable, and the whole structure is simple in form and beneficial to installation and adjustment of the underwater environment.
Drawings
FIG. 1 is a schematic view of a first embodiment of a separation support device suitable for use in a suspended tunnel anchor;
fig. 2 is a schematic top view of a first embodiment of a separation support device suitable for use in a suspended tunnel anchor;
fig. 3 is a schematic structural view of a support assembly of a first embodiment of a separation support device suitable for use in suspended tunnel anchor lines;
fig. 4 is a schematic view of the construction of a cantilever connection rod of a first embodiment of a separation support device suitable for suspending tunnel anchor cables;
fig. 5 is a schematic view of a second embodiment of a separation support device suitable for use in a suspended tunnel anchor;
fig. 6 is a schematic structural view of a support assembly of a second embodiment of a separation support device suitable for use in a suspended tunnel anchor line;
fig. 7 is a schematic cross-sectional view of a third embodiment of a support base for a separation support device for suspended tunnel anchor lines.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-4, a first embodiment of the present invention provides a separation support device for a suspended tunnel anchor cable, comprising a support base and a plurality of sets of support assemblies. The support base consists of two rigid wheel discs and a support cylinder 2, the support base consists of an upper rigid wheel disc 1, a lower rigid wheel disc 18 and the support cylinder, the two rigid wheel discs are respectively and symmetrically fixed on the upper side and the lower side of the support cylinder 2, the rigid wheel discs and the support cylinder 2 are preferably welded and fixed to form the support base, and the rigid wheel discs can be round rigid wheel discs or square or polygonal wheel discs with different shapes. The upper rigid wheel disc and the lower rigid wheel disc are respectively provided with a plurality of perforated sliding grooves 3, the two rigid wheel discs are respectively provided with a plurality of perforated sliding grooves 3, the perforated sliding grooves 3 are sliding grooves with radians, and the perforated sliding grooves 3 on the two rigid wheel discs are arranged symmetrically up and down. The supporting component is arranged between the two rigid wheel discs, is respectively sleeved in the open-pore sliding grooves which are vertically symmetrical and is fixed through the screw cap 4, and moves along the open-pore sliding grooves to adjust the orientation angle and the fixed position of the supporting component.
The support assembly comprises a support screw 5 and at least two cantilever connection rods 6. The two ends of the supporting screw rod are respectively sleeved in the corresponding opening sliding grooves 3 up and down and are movably adjusted along the opening sliding grooves, the two ends of the supporting screw rod are provided with external threads 7 which are matched with nuts, and the nuts are in threaded connection with the two ends of the supporting screw rod 5. Each supporting screw 5 passes through the corresponding slotted chute 3 with radian, the fastening nuts at the two ends are respectively positioned at the upper end part of the upper rigid wheel disc and the lower end part of the lower rigid wheel disc, after the fastening nuts at the two ends are screwed, the supporting assembly is fastened between the two rigid wheel discs, and the supporting assembly is connected with the supporting base through the fastening nuts 4 at the two ends. The cantilever connection pole 6 one end cup joints and fixes on supporting screw 5, cantilever connection pole one end is fixed with sleeve 31, and sleeve 31 cup joints and welded fastening is on supporting screw 5, and supporting screw 5 and cantilever connection pole 6 adopt metal welding to form the atress whole through the sleeve, and the sleeve is with supporting component restriction between two rigidity rim plates. The cantilever connecting rod 6 other end is equipped with the rigidity telescopic link 8 of length adjustable, cantilever connecting rod 6 is hollow design, rigidity telescopic link 8 front end cup joints in the cantilever connecting rod and sets up adjust knob 9, adjust knob 9 regulation control rigidity telescopic link 8 length. According to the position of the parallel anchor cables of the suspension tunnel, the supporting screw 5 is slid along the perforated chute, the orientation of the supporting screw is adjusted, and the length of the rigid telescopic rod is adjusted, so that the separation supporting device is matched with the position of the anchor cables. The angle and the extension length of the fastener are adjusted according to the arrangement interval and the mode of the anchor cable, and the whole structure is simple in form and beneficial to installation and adjustment of underwater environment.
The rear end part of the rigid telescopic rod 8 is fixed with an anchor cable buckle, and is preferably welded and fixed. The anchor cable buckle comprises a buckle base 10 and a buckle ring 11, wherein the buckle base 10 is welded and fixed on the rigid telescopic rod 8, the buckle ring 11 is adjustably connected to the buckle base 10 through a buckle nut 12, and the buckle ring 11 is effectively connected with the buckle base 10. The two sides of the buckle hoop are provided with adjusting screws 13, and the adjusting screws 13 are respectively sleeved on the buckle hoop base 10 and are adjusted and fixed through the buckle hoop nuts 12. The buckling hoop ring is in an arc design, and the buckling hoop form with the radian is suitable for the outer surface of the suspension tunnel stretching anchor cable. The double cantilever anchor cable buckle on the support screw can provide reliable constraint for the separation support device to be erected on the side-by-side anchor cables. The anchor cable buckle hoop plays a role in jointly encircling the suspension tunnel anchor cable through the buckle hoop base and the fastening hoop, and the buckle hoop nut can adjust the tightness degree of the separation supporting device and the suspension tunnel side-by-side anchor cable and adjust the position of the separation supporting device on the side-by-side anchor cable.
The rigid wheel disc, the supporting cylinder 2 and the supporting screw 5 are all formed by adopting high-strength metal materials with general standard modulus through hot working, and the subsequent replacement and maintenance of local components are convenient by combining the standard dimensional relationship.
After the separation supporting device is arranged on the parallel anchor cables of the suspension tunnel, the separation supporting device can maintain the distance between the parallel anchor cables of the suspension tunnel, and when the anchor cables are subjected to transverse action of underwater ocean currents and self gravity to generate transverse vibration and sag deformation, the separation supporting device can restrict the parallel anchor cables, so that the anchor cables can keep a uniform vibration form when being subjected to transverse action, the phenomenon that the anchor cables collide with each other or are wound due to asynchronous vibration is avoided, and the overall rigidity of the anchor cables is improved. The separation supporting device is connected with a plurality of anchor cables side by side, maintains the basic linearity of the anchor cables, enhances the overall lateral rigidity of the anchor cables, and is beneficial to the overall stress of the anchor cables.
Referring to fig. 5 to 6, a second embodiment of the present invention provides a separation support device for a suspended tunnel anchor cable, which is substantially the same as the first embodiment, except that: the two sides of the perforated chute 3 are respectively provided with a plurality of limiting holes 14, the support assembly is sleeved with a fixed disc 15, the fixed disc is sleeved on the support screw and is positioned between the two sleeves, and the fixed disc can move along the support screw. The number of fixed disks is preferably two, one toward the upper rigid disk and the other toward the lower rigid disk. At least two fixing screws 16 are arranged on the fixing plate 15 and extend towards the direction of the rigid wheel disc. After the support assembly moves along the perforated chute 3 to adjust the orientation angle and the fixed position of the support assembly, the fixing screw 16 passes through the limiting hole and is fastened by the nut 17. Through the spacing connection of the fixing screw 16 and the limiting hole 14, the support component is prevented from moving in the perforated chute 3 under the transverse action of ocean currents, and the arrangement interval of the anchor cable and the angle of the mode adjustment fastener are ensured not to change.
Referring to fig. 7, a third embodiment of the present invention provides a separation supporting device adapted for suspending tunnel anchor cables, which is substantially the same as the second embodiment, except that: the supporting cylinder is an adjustable supporting cylinder, the adjustable supporting cylinder comprises an upper supporting cylinder 19 and a lower supporting cylinder 20, the upper end of the upper supporting cylinder 19 is welded and fixed with the middle of the upper rigid wheel disc 1, an adjusting threaded cylinder 21 is arranged at the lower end of the upper supporting cylinder 19, and the lower end of the lower supporting cylinder 20 is welded and fixed with the middle of the lower rigid wheel disc 18. The lower support cylinder 20 is hollow, one end of the adjusting screw cylinder 21 is connected with the inner cavity of the lower support cylinder 20 in a threaded manner and can rotate along the inner cavity of the lower support cylinder in an adjustable manner, and the distance between the upper support cylinder 19 and the lower support cylinder 20 is adjusted by rotating the adjusting screw cylinder 21. When installing under water, make things convenient for constructor to adjust the distance between upper support section of thick bamboo and the lower support section of thick bamboo according to actual conditions, improve the efficiency of construction.
The adjusting screw cylinder 21 comprises a connecting part 22 and an adjusting part 23 fixed below the connecting part, the upper end part of the connecting part is provided with a circular connecting block 24, a slotted hole 25 matched with the circular connecting block is arranged in the upper rigid wheel disc, and the circular connecting block 24 is arranged in the slotted hole 25 and can rotate in the slotted hole 25. An upper limiting convex edge 26 is arranged at the upper opening of the lower supporting cylinder, and the lower end part of the connecting part penetrates through the upper limiting convex edge 26 to be fixedly connected with the adjusting part 23. The hollow inner wall of the lower support cylinder is provided with an internal thread, the outer wall of the adjusting part 23 is provided with an external thread matched with the inner wall of the lower support cylinder, and the adjusting part 23 is rotatably connected with the inner cavity of the lower support cylinder 20 in a threaded manner. When the distance between the upper rigid wheel disc 1 and the lower rigid wheel disc 18 is adjusted, only the adjusting screw cylinder 21 is required to be rotated, and the adjusting part 23 can be rotated along the upper and lower screw threads in the inner cavity of the lower supporting cylinder. During construction, the height of the supporting base can be adjusted according to the actual requirements of the site, and after the distance between the upper rigid wheel disc 1 and the lower rigid wheel disc 18 is adjusted, the length of the supporting screw 5 between the two wheel discs is adjusted accordingly. The distance between adjacent supporting components can be adjusted according to actual requirements and then fixed, and the device is suitable for different engineering requirements. The support base can be prefabricated in the mill in advance, and the site only needs to be provided with the support screw and the fixed support component through actual conditions, so that the construction is convenient.
When the support assembly is installed, the distance between the upper rigid wheel disc and the lower rigid wheel disc is adjusted to be the maximum, two ends of a support screw rod in the support assembly are sleeved in symmetrical perforated sliding grooves, the adjusting screw thread cylinder is rotated, the distance between the upper rigid wheel disc and the lower rigid wheel disc is adjusted to be the specific height required by engineering, and the support assembly is convenient to install.
The connecting part is provided with a holding part 27, the holding part 27 is positioned between the upper rigid wheel disc 1 and the lower rigid wheel disc 18, and the outer wall of the holding part is leveled with the outer walls of the upper rigid wheel disc and the lower rigid wheel disc. The hand-held part 27 is rotated to drive the adjusting part 23 to move up and down in the inner cavity of the lower supporting cylinder, and the distance between the upper rigid wheel disc and the lower rigid wheel disc can be adjusted without rotating the upper rigid wheel disc or the lower rigid wheel disc. The diameter of the main rod of the connecting part 22 is smaller than that of the opening of the upper limiting convex edge 26, the diameter of the adjusting part is larger than that of the opening of the upper limiting convex edge, and the upper limiting convex edge prevents the adjusting part from rotating out of the inner cavity of the lower supporting cylinder.
And a through hole 28 is formed in the middle of the lower rigid wheel disc, the lower rigid wheel disc is fixedly welded with the lower supporting cylinder, and the through hole 28 is communicated with the inner cavity of the lower supporting cylinder. The inner cavity of the lower supporting cylinder is connected with a limiting cylinder 29 in a threaded manner, and the limiting cylinder 29 is positioned below the adjusting part 23. The outer wall of the limiting cylinder is provided with external threads matched with the outer wall of the lower supporting cylinder, the lower end part of the limiting cylinder 29 is inserted into the inner cavity of the lower supporting cylinder and is rotatably connected with the inner cavity of the lower supporting cylinder through threads, and the inner wall of the through hole is provided with internal threads matched with the external threads of the limiting cylinder. And after the distance between the upper rigid wheel disc and the lower rigid wheel disc is adjusted through rotating the adjusting threaded cylinder, the limiting cylinder is rotated until the limiting cylinder abuts against the lower end face of the adjusting part. When transverse vibration and sagging deformation occur due to the transverse action of underwater ocean currents and self gravity, the limiting cylinder can prevent the adjusting screw cylinder from rotating downwards.
The center of the limiting cylinder is provided with a hexagonal hole, and the limiting cylinder is sleeved in the hexagonal hole through a tool to assist the limiting cylinder to rotate in the inner cavity of the lower supporting cylinder. The through-hole lower opening part has lower spacing protruding edge 30, and lower spacing protruding edge is spacing to spacing section of thick bamboo, prevents that spacing section of thick bamboo from rotating out from lower support section of thick bamboo.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. Separation strutting arrangement suitable for suspension tunnel anchor rope, characterized by: including supporting base and multiunit supporting component, the supporting base comprises last rigid rim plate, lower rigid rim plate and a support section of thick bamboo, goes up rigid rim plate and lower rigid rim plate and is fixed in a support section of thick bamboo upper and lower both sides respectively symmetry, go up rigid rim plate and lower rigid rim plate on all have a plurality of trompil spouts, the trompil spout on two rigid rims sets up symmetrically from top to bottom, supporting component locates between two rigid rims, and supporting component both ends cup joint respectively in the trompil spout of upper and lower symmetry and fix on the supporting base through the nut, and supporting component moves along the trompil spout and adjusts supporting component orientation angle and fixed position.
2. The separation support device for suspended tunnel anchor lines according to claim 1, wherein: the supporting assembly comprises a supporting screw and at least two cantilever connecting rods, the two ends of the supporting screw are respectively sleeved in the corresponding perforated sliding grooves from top to bottom and are movably adjusted along the perforated sliding grooves, the two ends of the supporting screw are provided with external threads matched with nuts, the nuts are in threaded connection with the two ends or the upper end of the supporting screw, one end of each cantilever connecting rod is sleeved and fixed on the supporting screw, the other end of each cantilever connecting rod is provided with a rigid telescopic rod with adjustable length, and the rear end of each rigid telescopic rod is fixedly provided with an anchor cable buckle.
3. The separation support device for suspended tunnel anchor lines according to claim 2, wherein: the cantilever connecting rod is hollow, the front end of the rigid telescopic rod is sleeved in the cantilever connecting rod and provided with an adjusting knob, and the length of the rigid telescopic rod is adjusted and controlled by the adjusting knob.
4. A separation support device for suspended tunnel anchor lines according to claim 2 or 3, characterised in that: the buckling hoop comprises a buckling hoop base and a buckling hoop ring, wherein the buckling hoop base is welded and fixed on the rigid telescopic rod, and the buckling hoop ring is adjustably connected to the buckling hoop base through a buckling hoop nut.
5. A separation support device for suspended tunnel anchor lines according to claim 1 or 2 or 3, characterised in that: the perforated chute is a chute with radian.
6. The separation support device for suspended tunnel anchor lines according to claim 1, wherein: the support assembly moves along the perforated chute to adjust the support assembly to face the angle and the fixed position, and then the fixing screw passes through the limiting holes and is fastened through the nuts.
7. The separation support device for suspended tunnel anchor lines of claim 6, wherein: the supporting cylinder is an adjustable supporting cylinder, the adjustable supporting cylinder comprises an upper supporting cylinder and a lower supporting cylinder, an adjusting threaded cylinder is arranged at the lower end part of the upper supporting cylinder, one end of the adjusting threaded cylinder is connected with the inner cavity of the lower supporting cylinder in a threaded manner and can rotate along the inner cavity of the lower supporting cylinder in an adjustable manner, and the distance between the upper supporting cylinder and the lower supporting cylinder is adjusted by rotating the adjusting threaded cylinder.
8. The separation support device for suspended tunnel anchor lines of claim 7, wherein: the adjusting screw thread section of thick bamboo includes connecting portion and fixes the adjusting part in the connecting portion below, and connecting portion upper end has the ring shape connecting block, have in the upper rigid rim with the slotted hole of ring shape connecting block adaptation, the ring shape connecting block is arranged in the slotted hole and can rotate in the slotted hole, the upper opening part of lower support section of thick bamboo is established spacing protruding edge, and connecting portion lower extreme passes spacing protruding edge and adjusting part fixed connection, the cavity inner wall of lower support section of thick bamboo sets up the internal thread, the adjusting part outer wall has the external screw thread with lower support section of thick bamboo inner wall adaptation, and adjusting part rotatable threaded connection is in lower support section of thick bamboo inner chamber, and when adjusting the distance between upper rigid rim and the lower rigid rim, rotate adjusting screw thread section of thick bamboo, adjusting part can rotate along lower support section of thick bamboo inner chamber upper and lower screw thread.
9. The separation support device for suspended tunnel anchor lines of claim 8, wherein: the connecting part is provided with a handheld part, and the handheld part is positioned between the upper rigid wheel disc and the lower rigid wheel disc.
10. The separation support device for suspended tunnel anchor lines of claim 8, wherein: the middle of the lower rigid wheel disc is provided with a through hole communicated with the inner cavity of the lower supporting cylinder, the inner cavity of the lower supporting cylinder is in threaded connection with a limiting cylinder, the limiting cylinder is positioned below the adjusting part, the outer wall of the limiting cylinder is provided with external threads matched with the inner wall of the lower supporting cylinder, the inner wall of the through hole is provided with internal threads matched with the external threads of the limiting cylinder, and the lower end part of the lower supporting cylinder is inserted into the inner cavity of the lower supporting cylinder and is in rotatable threaded connection with the inner cavity of the lower supporting cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441556.0A CN114232687B (en) | 2021-11-30 | 2021-11-30 | Separation strutting arrangement suitable for suspension tunnel anchor rope |
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| CN202111441556.0A CN114232687B (en) | 2021-11-30 | 2021-11-30 | Separation strutting arrangement suitable for suspension tunnel anchor rope |
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| CN114232687A CN114232687A (en) | 2022-03-25 |
| CN114232687B true CN114232687B (en) | 2023-08-11 |
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| Title |
|---|
| Anomalous suppression of single-electron tunnelling observed for Si nanobridge transistors with a suspended quantum dot cavity;J. Ogi等;2008 IEEE Silicon Nanoelectronics Workshop;摘要 * |
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