CN209569249U - A kind of hooking device for Tunnel intrinsic displacement monitoring point - Google Patents
A kind of hooking device for Tunnel intrinsic displacement monitoring point Download PDFInfo
- Publication number
- CN209569249U CN209569249U CN201920237216.8U CN201920237216U CN209569249U CN 209569249 U CN209569249 U CN 209569249U CN 201920237216 U CN201920237216 U CN 201920237216U CN 209569249 U CN209569249 U CN 209569249U
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- China
- Prior art keywords
- steel shaft
- outer sleeve
- tunnel
- monitoring point
- hook
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a kind of hooking devices for Tunnel intrinsic displacement monitoring point, comprising: nut, outer sleeve, steel shaft and moveable hook；One end of steel shaft is machined with steel shaft external screw thread, and the other end is provided with steel shaft lug boss；Steel shaft is machined on the end face of the externally threaded one end of steel shaft the shrinkage pool portion that is provided with, and shrinkage pool portion is machined with steel shaft internal screw thread；Outer sleeve is movably sleeved in steel shaft, and one end of the close steel shaft lug boss of outer sleeve is provided with several axial outer sleeves and cracks；Nut is mounted in steel shaft by steel shaft external screw thread；Moveable hook includes: hook body；The tail end of hook body is provided with moveable hook threaded portion.The hooking device of the utility model includes two detachable parts, reliability with higher；It can reduce in tunnel excavation construction, disturbing influence of the various factors to tunnel monitoring point.
Description
Technical field
The utility model belongs to tunnel monitoring measurement technical field, in particular to a kind of to be used for Tunnel intrinsic displacement monitoring point
Hooking device.
Background technique
Currently, the monitoring measurement in tunnel has become indispensable a part in constructing tunnel.Tunnel intrinsic displacement prison
Survey is usually to pass through immediately following the monitoring point for displacement such as common metal hook after tunnel excavation, are fixed on the vault and abutment wall in tunnel
The monitoring measurement that convergence gauge, steel ruler etc. carry out the displacement of country rock is hung, still, before tunnel does not excavate perforation completion, construction machine
The hook collision that the operation of tool is likely to and has been laid out causes it to generate disturbance and even damages, Tunnel Displacement is caused to monitor
Accuracy reduce.So how to guarantee the reliability of Tunnel intrinsic displacement monitoring point fixed, being one ensures
The accurate importance of tunnel monitoring measurement.
There are problem and deficiency in terms of in view of conventional tunnel monitoring point fixed hook after installation is complete stability, one is needed
Distortion monitoring points hooking device in the Tunnel of the novel anticollision damage of kind.
Utility model content
The purpose of this utility model is to provide a kind of hooking devices for Tunnel intrinsic displacement monitoring point, on solving
State existing one or more technical problems.The hooking device of the utility model includes two detachable parts, is had higher
Reliability；It can reduce in tunnel excavation construction, disturbing influence of the various factors to tunnel monitoring point.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of hooking device for Tunnel intrinsic displacement monitoring point, comprising:
Expansion bolt, comprising: nut, outer sleeve and steel shaft；One end of the steel shaft is machined with steel shaft external screw thread, the other end
It is provided with steel shaft lug boss；The steel shaft is machined on the end face of the externally threaded one end of steel shaft the shrinkage pool portion that is provided with, the shrinkage pool
Portion is machined with steel shaft internal screw thread；The outer sleeve is movably sleeved in the steel shaft, the close steel of the outer sleeve
One end of axis lug boss is provided with several axial outer sleeves and cracks；The nut is mounted on institute by the steel shaft external screw thread
It states in steel shaft, turns the nut and the outer sleeve is enabled to move in the steel shaft；
Moveable hook, comprising: hook body；The tail end of the hook body is provided with moveable hook threaded portion, described
Moveable hook is mountable to the shrinkage pool portion by the moveable hook threaded portion.
Further, further includes: spring washer；
The spring washer is movably sleeved in the steel shaft, and the spring washer is set to the nut and described
Between outer sleeve.
Further, further includes: mobile gasket；
The mobile gasket is movably sleeved in the steel shaft, the mobile gasket be set to the spring washer with
Between the outer sleeve.
Further, further includes: setting-up piece；
The setting-up piece is fixed at the predeterminated position of the moveable hook threaded portion.
Further, the outer sleeve is equal diameter cylinder, on one end edge close to the steel shaft lug boss of outer sleeve
Circumferential uniformly open is cracked there are three outer sleeve.
Further, it is semiclosed that one end far from the steel shaft lug boss that each outer sleeve cracks is provided with outer sleeve
Circular hole.
Further, the length that the outer sleeve cracks is the one third of entire outer sleeve axial length.
Further, the length of the moveable hook threaded portion is less than or equal to the depth in the shrinkage pool portion.
Further, further includes: shrinkage pool plug；Shrinkage pool plug includes rubber cap and external thread part；Rubber cap and external thread part are solid
Fixed connection, can be mounted on the shrinkage pool portion by external thread part.
Compared with prior art, the utility model has the advantage that
The structure of the utility model is different from traditional monoblock type fixed hook of tunnel internal displacement monitoring measuring point,
Including dismountable two parts: a portion is hook, and another part is expansion bolt；It can be realized: without tunnel
When road displacement monitoring, temporarily hook can be unloaded down, prevent the construction in tunnel from generating disturbing influence to hook, guarantee tunnel position
Move the accuracy of monitoring；When needing to measure, hook is mounted on expansion bolt, it is ensured that the accuracy and reliability of measurement.
Be embodied in: for the defect and deficiency of current tunnel hole intrinsic displacement monitoring point fixed hook, the utility model provides one
Distortion monitoring points hooking device in the Tunnel of the novel anticollision damage of kind, is linked up with by demountable front end, by monitoring point
Hook is divided into two major parts；During installation, the setscrew for linking up with lower part is fixed on inside the preliminary bracing in tunnel, when
When needing to carry out displacement monitoring to tunnel, front end hook is mounted on the setscrew being already fixed to inside Tunnel
On, Tunnel Displacement measurement is carried out, when the measurement is completed, front end hook is unloaded into preservation, in case next time, measurement used.This is practical new
Type can be reduced in tunnel excavation construction, various factors to the disturbing influence of tunnel monitoring point, save monitoring measurement time and
Manpower and material resources investment, improves working efficiency.
Further, between the nut and outer sleeve on expansion bolt top, spring washer and mobile gasket are installed, when
When being screwed down nut compressing outer sleeve, buffering can be played the role of, prevent firmly too fast or excessive, lead to sleeve and drilling
It is slided between inner wall, causes monitoring point unstable；And when nut is being tightened, after the fixed completion of expansion bolt, Ke Yi
A part of elastic potential energy of storage in spring washer, oppresses washer and sleeve, remains the sleeve active force inside by one,
Guarantee that the frictional force outside sleeve and drilling will not generate loss with the influence of extraneous factor.
Further, outer sleeve crack main function be for when expansion bolt tighten it is fixed during, convenient for expansion
The inner wall for squeezing drilling, achievees the effect that fixing bolt.
Further, the semiclosed circular hole of outer sleeve is located at the top that each outer sleeve cracks, i.e., cracks in outer sleeve upper
Portion cut circular hole, mainly eliminate when outer sleeve expansion when outer sleeve crack upper end generation stress concentrate, prevent outer sleeve
Lead to the tearing of outer sleeve when parectasis, damages outer sleeve.
Further, one steel plate washer being fixed on hook is set in moveable hook threaded portion, for controlling mobile extension
Hook is screwed into the depth in expansion bolt, every time when measurement, as long as tightening hook, so that it may guarantee that hook enters the depth of expansion bolt
Spend it is constant, thus guarantee influence of the construction to tunnel surrounding real displacement amount of hook in negligible range, further
Ensure the accuracy measured.
Detailed description of the invention
Fig. 1 is a kind of overall structure of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
Perspective view of the explosion；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the spring pad in a kind of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
Enclose schematic diagram；
Fig. 4 is the movable cushion in a kind of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
Piece schematic diagram；
Fig. 5 is the expanding screw in a kind of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
The overlooking structure diagram of bolt；
Fig. 6 is the expanding screw in a kind of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
Bolt installs the schematic diagram of the section structure after shrinkage pool plug；
Fig. 7 is the shrinkage pool plug in a kind of hooking device for Tunnel intrinsic displacement monitoring point of the utility model embodiment
Diagrammatic cross-section；
Fig. 8 is the overlooking structure diagram of Fig. 7；
In Fig. 1 into Fig. 8:
1, nut；
2, spring washer；
3, mobile gasket；
4, outer sleeve；401, the semiclosed circular hole of outer sleeve；402, outer sleeve cracks；
5, steel shaft；501, steel shaft internal screw thread；502, steel shaft external screw thread；503, steel shaft lug boss；504, shrinkage pool portion；
6, moveable hook；601, hook body；602, setting-up piece；603, moveable hook threaded portion；
7, shrinkage pool plug.
Specific embodiment
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 8, distortion monitoring points hook in a kind of Tunnel of novel anticollision damage of the utility model
Device, for the hooking device for being installed at tunnel vault sedimentation and perimeter convergence monitoring point, the hooking device is whole
It is made into, is specifically included by mild steel: 6 two parts of expansion bolt and moveable hook.
Expansion bolt is made of nut 1, spring washer 2, mobile gasket 3, outer sleeve 4 and 5 five part of steel shaft.Steel shaft 5
One end is provided with shrinkage pool portion 504, and steel shaft internal screw thread 501 is machined in shrinkage pool portion 504, and the outer wall at the end of steel shaft 5 is provided with steel
Axis external screw thread 502；The other end of steel shaft 5 is provided with steel shaft lug boss 503；Steel shaft internal screw thread 501 is used to the shifting with moveable hook 6
Dynamic hook threaded portion 603 connects.
Outer sleeve 4 is movably sleeved in steel shaft；The lower end of outer sleeve 4 is uniformly provided with three along circumferential direction one week of sleeve
A outer sleeve cracks 402, outer sleeve crack 402 length be entire 4 longitudinal length of outer sleeve one third, main function
It is for squeezing the inner wall of drilling convenient for expansion, achieving the effect that fixing bolt during expansion bolt is tightened and fixed.Outside
The semiclosed circular hole 401 of sleeve is located at the top that each outer sleeve cracks, i.e., cuts circular hole on the top that outer sleeve cracks, mainly
Eliminate when outer sleeve expansion when outer sleeve crack upper end generation stress concentrate, prevent from leading to housing when outer sleeve parectasis
The tearing of cylinder damages outer sleeve.One end of the close steel shaft lug boss 503 of outer sleeve 4 is provided with the semiclosed circular hole 401 of outer sleeve
402 are cracked with outer sleeve.Outer sleeve 4, mobile gasket 3, nut 1, spring washer 2 can move in steel shaft 5.Nut 1 is logical
The steel shaft external screw thread 502 being arranged outside steel shaft 5 is crossed to be screwed in steel shaft 5, during tightening nut 1, can oppress outer sleeve 4 to
Lower movement, so that the lower end of outer sleeve 4 expands under the action of steel shaft lug boss 503, with the circle being drilled in Tunnel wall
The inner wall in hole generates friction, to play fixed effect.
Moveable hook 6 includes: hook body 601；The tail end of hook body 601 is provided with setting-up piece 602, and is machined with
Moveable hook threaded portion 603；Moveable hook is for hanging.Moveable hook 6 passes through the moveable hook threaded portion of 6 tail end of moveable hook
603 are attached with the steel shaft internal screw thread 501 in the shrinkage pool portion 504 of steel shaft 5.
After expansion bolt is fixed, to prevent the steel shaft internal screw thread 501 in shrinkage pool portion 504 from falling into the dusts such as soil, two are influenced
Shrinkage pool plug 7 is temporarily filled in partial connection in shrinkage pool portion 504.Shrinkage pool plug 7 includes rubber cap and external thread part；Rubber cap and
External thread part is fixedly connected, and can be mounted on the shrinkage pool portion 504 by external thread part.
After expansion bolt is installed in tunnel, when needing to monitor displacement, first shrinkage pool plug 7 is removed, is hung mobile
Hook 6 is screwed on the expansion bolt fixed by moveable hook threaded portion 603, steel shaft internal screw thread 501, is screwed on moveable hook 6
Setting-up piece 602 and expansion bolt steel shaft 5 be firmly adjacent to until.For example, a kind of novel anti-collision damage of the utility model
Distortion monitoring points hooking device in bad Tunnel is removed in one-shot measurement completion and is hooked between displacement measurement use next time
Interval of time, pour into the sundries such as soil in the inside shrinkage pool to prevent expansion bolt, shrinkage pool plug be mounted on shrinkage pool portion.
Distortion monitoring points hook in a kind of Tunnel of novel anticollision damage of the utility model, on expansion bolt top
Nut and outer sleeve between, spring washer and gasket are installed, when be screwed down nut compressing outer sleeve when, can play slow
The effect of punching, prevents firmly too fast or excessive, causes to slide between sleeve and drill hole inner wall, causes monitoring point unstable；And
And when nut is being tightened, after the fixed completion of expansion bolt, a part of elastic potential energy, compressing pad can be stored in spring washer
Circle and sleeve, remain the sleeve active force inside by one, guarantee that frictional force outside sleeve and drilling will not be with
The influence of extraneous factor and generate loss.
Distortion monitoring points hooking device in a kind of Tunnel of novel anticollision damage of the utility model, in expansion bolt
Steel shaft top be provided with a long shrinkage pool along the axis of steel shaft, the inner wall in hole has screw thread, for fixed hook lower part
Screw thread is connected with each other.There is a screw thread in the lower part of fixed hook, there are the steel shafts that the length of screw thread is slightly shorter than expansion bolt on hook
The depth of upper concave hole, and the top for linking up with screw thread have one be fixed on hook on steel plate washer, for control hook be screwed into it is swollen
Depth in swollen bolt, every time when measurement, as long as tightening hook, so that it may guarantee that hook is constant into the depth of expansion bolt,
To guarantee influence of the construction of hook to tunnel surrounding real displacement amount in negligible range.
The course of work of distortion monitoring points hooking device in a kind of Tunnel of novel anticollision damage of the utility model:
When installation, electric drill vertical drilling on the vault and abutment wall in tunnel, the outer diameter phase in aperture and expansion bolt are used first
Together, length is slightly longer than expansion bolt length；Then the lower part of expansion bolt is put into the hole being drilled, then tightens expansion bolt
On nut oppress the outer sleeve of expansion bolt so that nut is mobile to the lower part of expansion bolt, be worth outer sleeve also to be transported downwards
It is dynamic, but the steel shaft convex portion of the steel shaft lower end inside inflated bolt is propped up outward, to increase expansion bolt and drilling
The pressure of inner wall, so that the frictional force between expansion bolt and drill hole inner wall increases, it is ensured that the stability of expansion bolt.
In conclusion being directed to the defect and deficiency of current tunnel hole intrinsic displacement monitoring point fixed hook, the utility model is mentioned
Distortion monitoring points hooking device in a kind of Tunnel of novel anticollision damage is supplied.It is linked up with by demountable front end, it will
Monitoring point hook is divided into two major parts, is during installation, the setscrew for linking up with lower part to be fixed on tunnel exactly
Preliminary bracing inside, when needing to carry out displacement monitoring to tunnel, front end hook is mounted on and is already fixed to tunnel initial-stage
On setscrew inside supporting, Tunnel Displacement measurement is carried out, when the measurement is completed, front end hook is unloaded into preservation, in case under
Secondary measurement uses.It can be reduced in tunnel excavation construction in this way, various factors saves monitoring to the disturbing influence of tunnel monitoring point
The time of measurement and manpower and material resources investment, improve working efficiency.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations, although referring to above-mentioned implementation
The utility model is described in detail in example, and those of ordinary skill in the art still can be to the tool of the utility model
Body embodiment is modified or replaced equivalently, these without departing from the spirit and scope of the utility model any modification or wait
With replacement, within the claims for applying for pending the utility model.
Claims (9)
1. a kind of hooking device for Tunnel intrinsic displacement monitoring point characterized by comprising
Expansion bolt, comprising: nut (1), outer sleeve (4) and steel shaft (5)；One end of the steel shaft (5) is machined with the outer spiral shell of steel shaft
Line (502), the other end are provided with steel shaft lug boss (503)；The steel shaft (5) is machined with one end of steel shaft external screw thread (502)
It is provided on end face shrinkage pool portion (504), the shrinkage pool portion (504) is machined with steel shaft internal screw thread (501)；The outer sleeve (4) can
Mobile is sleeved on the steel shaft (5), and one end close to the steel shaft lug boss (503) of the outer sleeve (4) is provided with
Several axial outer sleeves crack (402)；The nut (1) is mounted on the steel shaft by the steel shaft external screw thread (502)
(5) it on, turns the nut (1) and the outer sleeve (4) is enabled to move on the steel shaft (5)；
Moveable hook (6), comprising: hook body (601)；The tail end of the hook body (601) is provided with moveable hook spiral shell
Line portion (603), the moveable hook (6) are mountable to the shrinkage pool portion by the moveable hook threaded portion (603)
(504)。
2. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that also wrap
It includes: spring washer (2)；
The spring washer (2) is movably sleeved on the steel shaft (5), and the spring washer (2) is set to the nut
(1) between the outer sleeve (4).
3. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 2, which is characterized in that also wrap
It includes: mobile gasket (3)；
The mobile gasket (3) is movably sleeved on the steel shaft (5), and the mobile gasket (3) is set to the spring
Between washer (2) and the outer sleeve (4).
4. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that also wrap
It includes: setting-up piece (602)；
The setting-up piece (602) is fixed at the predeterminated position of the moveable hook threaded portion (603).
5. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that described
Outer sleeve (4) is equal diameter cylinder, is circumferentially uniformly opened in one end close to the steel shaft lug boss (503) of outer sleeve (4)
(402) are cracked there are three outer sleeve.
6. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that each
What outer sleeve cracked (402) is provided with the semiclosed circular hole of outer sleeve (401) far from one end of the steel shaft lug boss (503).
7. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that described
Outer sleeve crack (402) length be entire outer sleeve (4) axial length one third.
8. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to claim 1, which is characterized in that described
The length of moveable hook threaded portion (603) is less than or equal to the depth of the shrinkage pool portion (504).
9. a kind of hooking device for Tunnel intrinsic displacement monitoring point according to any one of claim 1 to 8, special
Sign is, further includes: shrinkage pool plug (7)；
Shrinkage pool plug (7) includes rubber cap and external thread part；Rubber cap is fixedly connected with external thread part, and the shrinkage pool plug (7) passes through
External thread part can be mounted on the shrinkage pool portion (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920237216.8U CN209569249U (en) | 2019-02-25 | 2019-02-25 | A kind of hooking device for Tunnel intrinsic displacement monitoring point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920237216.8U CN209569249U (en) | 2019-02-25 | 2019-02-25 | A kind of hooking device for Tunnel intrinsic displacement monitoring point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569249U true CN209569249U (en) | 2019-11-01 |
Family
ID=68334355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920237216.8U Expired - Fee Related CN209569249U (en) | 2019-02-25 | 2019-02-25 | A kind of hooking device for Tunnel intrinsic displacement monitoring point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569249U (en) |
-
2019
- 2019-02-25 CN CN201920237216.8U patent/CN209569249U/en not_active Expired - Fee Related
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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: 20191101 Termination date: 20210225 |