CN204754985U - It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof - Google Patents

It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof Download PDF

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Publication number
CN204754985U
CN204754985U CN201520452511.7U CN201520452511U CN204754985U CN 204754985 U CN204754985 U CN 204754985U CN 201520452511 U CN201520452511 U CN 201520452511U CN 204754985 U CN204754985 U CN 204754985U
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CN
China
Prior art keywords
monitoring point
tunnel
nut
expansion bolt
triangular ring
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Expired - Fee Related
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CN201520452511.7U
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Chinese (zh)
Inventor
周中
张齐芳
王向灿
杨豪
邢凯
张彬然
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Central South University
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Central South University
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Priority to CN201520452511.7U priority Critical patent/CN204754985U/en
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Publication of CN204754985U publication Critical patent/CN204754985U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an it lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof, hang including monitoring point protection cylinder hole, cavity protection device (including drum, rotor, visor and hasp), triangle annular and buckle expansion bolts (hang and buckle) and mounting tool (including nut seaming, crank and handle) including iron sheet drum, rubber nut pad, nut and triangle annular. The utility model discloses a cylinder cavity, cavity protection device can fine protection monitoring points, avoid tunnel construction machinery to its destruction, spatter in the time of also avoiding the spouting concrete to hang to buckle and influence measurement accuracy, triangle annular string knot expansion bolts has overcome opening fishhook shape expansion bolts commonly used and hung some nondeterminacy errors in the measurement, and the nut problem of fixing in the narrow space has been solved to the brace wrench, equips simple manufacture, and is easy and simple to handle, can lay effectively fast and protect the monitoring point.

Description

A kind of radial convergence monitoring point in tunnel that is used for lays proterctive equipment and erecting tools thereof
Technical field
The utility model relates to a kind of layout of the monitoring points protection-gear, and specifically a kind of radial convergence monitoring point in tunnel that is used for lays protection-gear.The utility model also relates to installs this lays proterctive equipment erecting tools for the radial convergence monitoring point in tunnel.
Background technology
Tunnel Mining Method boring construction process often causes the distribution again of surrouding rock stress and the release of initial field stress.This will cause tunnel excavation after tunnel radial direction occur convergent deformation, vault generation sedimentation or protuberance distortion.The vibration wave that face explosion produces also can produce impact in various degree to adjoining rock stability and surface buildings safety.After tunnel spray concrete just props up, these impacts will cause surrouding rock deformation, and visualize is tunnel surrounding and supporting displacement etc.These change whether entail dangers to building safety, whether can affect the normal life order in city, must depend in effective construction monitoring and measure.Reflect by monitoring and supervise and guide construction, thus reaching safety, economic object.
Within certain limit after the excavation face in tunnel, each section radial direction of distance lays one group two convergence monitoring points at regular intervals, under official hour frequency repeatedly measure distance change between two monitoring points with tunnel convergence measuring instrument, and then reflect the distortion of tunnel in construction period.By the deformation monitoring to tunnel, guiding construction and supporting can be supervised fast and effectively.
Near the construction section of Mining Method bored tunnel, due to the construction of big machinery and the frequent carrying supporting and protection structure of workman and shotcrete support, monitoring point is usually damaged.
Utility model content
First technical problem to be solved in the utility model is to provide that a kind of hanging point is determined, structure is simple, distribution method is simple and easy, makes that the cost of material is low, lays proterctive equipment fast and effectively for the radial convergence monitoring point in tunnel.
Second technical problem to be solved in the utility model is to provide a kind ofly is convenient to install at narrow space this to lay equipment erecting tools for the radial convergence monitoring point in tunnel.
In order to solve above-mentioned first technical problem, what the utility model provided lays proterctive equipment for the radial convergence monitoring point in tunnel, lining concrete in tunnel is provided with protection cylinder hole, monitoring point and expansion bolt fixes aperture, the axis horizontal that described protection cylinder hole, monitoring point and expansion bolt fix aperture arranges and is on same axis, triangular ring buckles expansion bolt by middle iron sheet cylinder, rubber nut pad, nut, triangular ring buckles and forms with circular strip threaded column, described middle iron sheet cylinder, rubber nut pad, nut is enclosed within one end expanding bottom with angle of described circular strip threaded column successively, described triangular ring buckles the other end being connected to described circular strip threaded column, described triangular ring buckles the described expansion bolt that expansion bolt is fixedly mounted in the protection cylinder hole, described monitoring point of described lining concrete in tunnel and fixes in aperture, protection cylinder hole, described monitoring point is provided with cavity protective device, described cavity protective device protects the cylinder at hole in cylinder hole by being located at described monitoring point, the side of over cap is hinged on described cylinder by rotor, side is buckled on described cylinder by snap close and forms, and described over cap is provided with mileage marked area.
Described triangular ring buckles in vertical state.
10 ~ 20mm in the protection cylinder hole, monitoring point that the top that described triangular ring buckles is deeply described.
The side of descending most of described over cap is hinged on described cylinder by rotor, goes up side most and is buckled on described cylinder by snap close.
The Horizontal Cylinder cavity that the bore in described protection cylinder hole, monitoring point is 120mm, the degree of depth is 100mm.
The degree of depth that described expansion bolt fixes aperture is 35mm, and diameter and described triangular ring buckle the equal diameters of expansion bolt.
In order to solve second technical problem; the installation that the utility model provides lays the erecting tools of proterctive equipment for the radial convergence monitoring point in tunnel; crank two ends are connected to nut seaming and handle; the two ends of described crank by centre of moment on the same axis, described nut seaming and described nut match.
What adopt technique scheme lays proterctive equipment and erecting tools thereof for the radial convergence monitoring point in tunnel, comprises monitoring point and protects cylinder hole, cavity protective device (comprising cylinder, rotor, over cap and snap close), triangular ring to buckle expansion bolt (comprising iron sheet cylinder, rubber nut pad, nut and triangular ring to buckle) and brace wrench (comprising nut seaming, crank and handle).Triangular ring buckles iron sheet cylinder in expansion bolt, to overlap the at one end bottom other end that expands with angle be successively in the circular strip threaded column that buckles of triangular ring for rubber nut pad, nut; Brace wrench connects the nut seaming at two ends and handle by crank, and two ends by centre of moment on the same axis, by brace wrench fastening nut, triangular ring is buckled expansion bolt and is fixed in tunnel lining cylindrical cavity; Monitoring point over cap be fixed on cavity mouth and cover carry out mileage mark.
Protection cylinder hole, monitoring point is the Horizontal Cylinder cavity that 120mm water drilling has bored that the degree of depth is about 100mm with bore.
It is that the circular strip threaded column material that triangular ring buckles is stainless steel that triangular ring buckles the expansion bottom with angle of iron sheet cylinder, nut and one end in the expansion bolt other end.
The triangular ring nut pad buckled in expansion bolt is quality of rubber materials.
Triangular ring buckles expansion bolt and tunnel convergence measuring instrument link is that triangular ring buckles, and connects and top in triangle ring.
Triangular ring buckles expansion bolt one end and is fixed in first the concrete in tunnel, and makes that its axis holds level, triangular ring buckles and holds vertical state.
Erecting tools fastening nut buckles expansion bolt triangular ring and is fixed on tunnel lining concrete.
Cavity protective device is plastic material, the diameter of cylinder and the equal diameters of cylindrical cavity, and lid can along vertical 180 ° of switches.
Mileage mark on over cap is write as by coating of giving out light.
The utility model is that 120mm water drilling has bored in the Horizontal Cylinder cavity that the degree of depth is about 100mm with bore in tunnel radial sidewalls, bore with the electric drill of respective model that to buckle the isodiametric degree of depth of expansion bolt with triangular ring be 35mm horizontal apertures at the center point, triangular ring is buckled expansion bolt to insert in aperture, and ensure that tunnel-side 10 ~ 20mm is goed deep on the top that the triangular ring of expansion bolt buckles.Hold the handle end of erecting tools, being stretched into by the other end in protection cylinder hole, monitoring point of level, entangles with the nut seaming of erecting tools the nut that triangular ring buckles expansion bolt, clockwise fastening nut.Adjustment triangular ring buckles expansion bolt, and make its axis be tunnel radial level, triangular ring buckles as vertical state.And cavity protective device is fixed on the accent in protection cylinder hole, monitoring point, cover over cap, and on over cap, carry out mileage mark, arrange identical two such monitoring points at the radial two ends in tunnel, realize the laying of monitoring point.During tunnel radial deformation monitoring, open over cap completely, the tunnel convergence measuring instrument two ends hook triangular ring be hung on the measuring point on both sides is buckled measure respectively.
Cylindrical cavity of the present utility model, cavity protective device energy well monitoring for protection point, avoids tunnel construction machinery to its destruction, also can avoid splashing during air placed concrete buckling and affecting certainty of measurement; Triangular ring buckles expansion bolt and overcomes the conventional opening barb-type expansion bolt uncertain error of hanging point in the measurements; brace wrench solves the nut fixation problem in narrow space; equipment makes simple, easy and simple to handle, can lay effectively rapidly and monitoring for protection point.
Accompanying drawing explanation
Fig. 1 is laying monitoring point, tunnel schematic diagram.
Fig. 2 is that triangular ring of the present utility model buckles expansion bolt measuring point and is fixedly mounted on concrete lining protection hole inner structure schematic diagram.
Fig. 3 is the opened at front face structural representation of cavity protective device of the present utility model.
Fig. 4 is brace wrench structural front view of the present utility model.
Fig. 5 is the utility model brace wrench structure left view.
Fig. 6 is the utility model brace wrench structure upward view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of radial convergence monitoring point in tunnel that is used for lays proterctive equipment, lining concrete in tunnel 1 is provided with protection cylinder hole 2, monitoring point and expansion bolt fixes aperture 3, the axis horizontal that protection cylinder hole 2, monitoring point and expansion bolt fix aperture 3 arranges and is on same axis, triangular ring buckles expansion bolt by middle iron sheet cylinder 5, rubber nut pad 6, nut 7, triangular ring buckle 8 and circular strip threaded column 4 form, middle iron sheet cylinder 5, rubber nut pad 6, nut 7 is enclosed within one end expanding bottom with angle of circular strip threaded column 4 successively, triangular ring buckles the other end that 8 are connected to circular strip threaded column 4, triangular ring buckle expansion bolt be fixedly mounted on lining concrete in tunnel 1 monitoring point protection cylinder hole 2 in expansion bolt fix in aperture 3, protection cylinder hole 2, monitoring point is provided with cavity protective device, cavity protective device protects the cylinder 9 at hole in cylinder hole 2 by being located at monitoring point, the side of over cap 11 is hinged on cylinder 9 by rotor 10, side is buckled on cylinder 9 by snap close 12 and forms, and over cap 11 is provided with mileage marked area 13.
Preferably, triangular ring buckles 8 in vertical state.
Preferably, 10 ~ 20mm in protection cylinder hole 2, monitoring point is goed deep on the top that triangular ring buckles 8.
Preferably, the side of descending most of over cap 11 is hinged on cylinder 9 by rotor 10, goes up side most and is buckled on cylinder 9 by snap close 12.
Particularly, the Horizontal Cylinder cavity that the bore in cylinder hole 2 is 120mm, the degree of depth is 100mm is protected in monitoring point.
Particularly, the degree of depth that expansion bolt fixes aperture 3 is 35mm, and diameter and triangular ring buckle the equal diameters of expansion bolt.
As shown in Figure 4, Figure 5 and Figure 6; install and be used for the erecting tools that the radial convergence monitoring point in tunnel lays proterctive equipment; crank 15 two ends are connected to nut seaming 16 and handle 14, the two ends of crank 15 by centre of moment on the same axis, nut seaming 16 and nut 7 match.
As Fig. 1, Fig. 2 and Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the lining concrete in tunnel 1 of tunnel radial sidewalls has bored in the protection cylinder hole 2, monitoring point of the level of certain depth with corresponding bore water drilling, bore with the electric drill of respective model the expansion bolt buckling the isodiametric level of expansion bolt with triangular ring at the center point and fix aperture 3, triangular ring being buckled expansion bolt insertion expansion bolt fixes in aperture 3, with erecting tools, its nut 7 is tightened fixing, and cavity protective device is fixed on the accent in protection cylinder hole 2, monitoring point, cover over cap 11, and mileage mark is carried out in the mileage marked area 13 on over cap 11.
As shown in Figure 1, Figure 2 with shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, during application, workflow is as follows:
(1) bored in the protection cylinder hole 2, monitoring point of the level of certain depth with corresponding bore water drilling on the lining concrete in tunnel 1 of tunnel radial sidewalls; bore with the electric drill of respective model the expansion bolt buckling the isodiametric level of expansion bolt with triangular ring at the center point and fix aperture 3; triangular ring is buckled expansion bolt to insert expansion bolt and fix in aperture 3, and ensure that tunnel-side 10 ~ 20mm is goed deep on the top that triangular ring that triangular ring buckles expansion bolt buckles 8.
(2) handle 14 of erecting tools is held, being stretched into by the other end in protection cylinder hole 2, monitoring point of level.
(3) nut 7 that triangular ring buckles expansion bolt is entangled, clockwise fastening nut 7 with nut seaming 16.
(4) adjust triangular ring and buckle expansion bolt, make its axis be tunnel radial level, triangular ring buckles 8 for vertical state.
(5) cavity protective device is fixed on the accent in protection cylinder hole 2, monitoring point, and covers over cap 11 and buckle well snap close 12, mileage mark is carried out in the mileage marked area 13 on over cap 11.
(6) identical two such monitoring points are arranged at the radial two ends in tunnel.
(7) during tunnel radial deformation monitoring, first open over cap 11 completely, the tunnel convergence measuring instrument two ends hook triangular ring be hung on the measuring point on both sides is buckled on 8 and measures, after having surveyed again and cover over cap 11 and buckle well snap close 12.

Claims (7)

1. lay proterctive equipment for the radial convergence monitoring point in tunnel for one kind, it is characterized in that: lining concrete in tunnel (1) is provided with monitoring point protection cylinder hole (2) and expansion bolt fixes aperture (3), the axis horizontal that described monitoring point protection cylinder hole (2) and expansion bolt fix aperture (3) arranges and is on same axis, triangular ring buckles expansion bolt by middle iron sheet cylinder (5), rubber nut pad (6), nut (7), triangular ring buckles (8) and circular strip threaded column (4) composition, described middle iron sheet cylinder (5), rubber nut pad (6), nut (7) is enclosed within one end expanding bottom with angle of described circular strip threaded column (4) successively, described triangular ring buckles the other end that (8) are connected to described circular strip threaded column (4), described triangular ring buckles the described expansion bolt that expansion bolt is fixedly mounted in described monitoring point protection cylinder hole (2) of described lining concrete in tunnel (1) and fixes in aperture (3), described monitoring point protection cylinder hole (2) is provided with cavity protective device, described cavity protective device protects the side of the cylinder (9) at the hole in cylinder hole (2), over cap (11) to pass through, and rotor (10) is hinged on described cylinder (9) by being located at described monitoring point, side is buckled on described cylinder (9) by snap close (12) and forms, and described over cap (11) is provided with mileage marked area (13).
2. according to claim 1 for the radial convergence monitoring point laying in tunnel proterctive equipment, it is characterized in that: described triangular ring buckles (8) in vertical state.
3. according to claim 1 and 2 for the radial convergence monitoring point laying in tunnel proterctive equipment, it is characterized in that: 10 ~ 20mm in described monitoring point protection cylinder hole (2) is goed deep on the top that described triangular ring buckles (8).
4. according to claim 1 and 2 for the radial convergence monitoring point laying in tunnel proterctive equipment; it is characterized in that: the side of descending most of described over cap (11) is hinged on described cylinder (9) by rotor (10), goes up side most and is buckled on described cylinder (9) by snap close (12).
5. according to claim 1 and 2 for the radial convergence monitoring point laying in tunnel proterctive equipment, it is characterized in that: the Horizontal Cylinder cavity that the bore of described monitoring point protection cylinder hole (2) is 120mm, the degree of depth is 100mm.
6. according to claim 1 and 2 for the radial convergence monitoring point laying in tunnel proterctive equipment; it is characterized in that: the degree of depth that described expansion bolt fixes aperture (3) is 35mm, and diameter and described triangular ring buckle the equal diameters of expansion bolt.
7. the erecting tools laying proterctive equipment for the radial convergence monitoring point in tunnel according to claim 1 is installed; it is characterized in that: crank (15) two ends are connected to nut seaming (16) and handle (14); the two ends of described crank (15) by centre of moment on the same axis, described nut seaming (16) and described nut (7) match.
CN201520452511.7U 2015-06-29 2015-06-29 It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof Expired - Fee Related CN204754985U (en)

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Application Number Priority Date Filing Date Title
CN201520452511.7U CN204754985U (en) 2015-06-29 2015-06-29 It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof

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Application Number Priority Date Filing Date Title
CN201520452511.7U CN204754985U (en) 2015-06-29 2015-06-29 It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500650A (en) * 2016-10-25 2017-03-15 四川大学 Underground chamber deformation measurement positions alarming device
CN109655047A (en) * 2019-02-04 2019-04-19 刘志强 Tunnel perimeter deflection monitoring point
CN110821564A (en) * 2019-11-07 2020-02-21 山东大学 Tunnel monitoring measurement pile, protection device and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500650A (en) * 2016-10-25 2017-03-15 四川大学 Underground chamber deformation measurement positions alarming device
CN109655047A (en) * 2019-02-04 2019-04-19 刘志强 Tunnel perimeter deflection monitoring point
CN110821564A (en) * 2019-11-07 2020-02-21 山东大学 Tunnel monitoring measurement pile, protection device and construction method thereof

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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: 20151111

Termination date: 20160629