CN219062854U - Fixing device for tunnel secondary lining concrete thickness detection instrument - Google Patents
Fixing device for tunnel secondary lining concrete thickness detection instrument Download PDFInfo
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- CN219062854U CN219062854U CN202222547976.3U CN202222547976U CN219062854U CN 219062854 U CN219062854 U CN 219062854U CN 202222547976 U CN202222547976 U CN 202222547976U CN 219062854 U CN219062854 U CN 219062854U
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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
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Abstract
The utility model discloses a fixing device for a tunnel secondary lining concrete thickness detection instrument, which comprises a mounting base, a supporting seat and an instrument mounting seat, wherein the supporting seat is positioned above the mounting base and is rotationally connected with the mounting base, and adjusting pieces capable of adjusting the supporting seat are symmetrically arranged between the supporting seat and the mounting base; the instrument mounting seat is arranged above the supporting seat and can be lifted relative to the supporting seat, supporting springs are arranged in front of the supporting seat and the instrument mounting seat, the supporting springs are symmetrically arranged on two sides of the instrument mounting seat, one end of each supporting spring is fixed on the supporting seat, and the other end of each supporting spring is fixed on the instrument mounting seat; the detection instrument is arranged at the top of the instrument mounting seat, and rollers are arranged on the other two side surfaces of the instrument mounting seat opposite to the supporting springs; the gyro wheel setting is on the gyro wheel mount pad, and gyro wheel mount pad bottom sets up the rotation axis, and the bottom of rotation axis sets up on the gyro wheel fixing base.
Description
Technical Field
The disclosure belongs to the technical field of detection auxiliary tools, and particularly relates to a fixing device for a tunnel secondary lining concrete thickness detection instrument.
Background
The second lining is a term in tunnel construction, and is advanced along the tunnel face during tunnel excavation, and four sides of the tunnel which are excavated later need to be reinforced, and the second lining means that the periphery of the reinforced tunnel is continuously reinforced for the second time.
In order to ensure the quality of the tunnel secondary lining and prevent the vault from being hollow, a geological radar is required to detect the secondary lining, and the traditional rigid support can not enable a detecting instrument to cling to the lining surface at any time due to the fact that the surface of the lining and the pavement are possibly uneven, so that the measuring accuracy is reduced. In order to enable the detecting instrument to be well attached to the concrete surface, a fixing device of the detecting instrument needs to be designed, so that the detecting instrument can move along with the detecting trolley, the combination between the detecting instrument and the concrete surface can be adjusted at any time, and the detecting quality of the two lining of the tunnel is ensured.
In the prior art, as the patent application number is CN20212281194. X, the patent name is a full-automatic detector for the thickness of a tunnel secondary lining, a concrete thickness detector main body, a lifting mechanism for installing the concrete thickness detector main body and a transverse supporting component; the lifting mechanism comprises an electric push rod which is vertically arranged and a mounting box which is arranged at the telescopic end of the electric push rod, a pressure sensor is arranged on the bottom wall inside the mounting box, and the concrete thickness detector main body is arranged in the mounting box and is in contact with the pressure sensor; the transverse supporting assembly comprises a horizontal arm which is horizontally arranged, the electric push rod is vertically and centrally arranged on the horizontal arm, two ends of the horizontal arm are movably provided with telescopic arms in a penetrating mode, and one end, far away from the horizontal arm, of the telescopic arms is provided with a fixing mechanism. Through electric putter's flexible, can promote the installation box and order about concrete thickness detector main part and the laminating of two lining surfaces in tunnel, realize automated inspection, and utilize pressure sensor, whether can real-time detection concrete thickness detector main part 1 closely laminate with two lining surfaces according to the pressure value of feedback. This prior art, detecting instrument sets up in the mounting box, and the mounting box is adjusted detecting instrument and tunnel's laminating degree by vertical electric putter's flexible. Because the surface of the lining and the road surface are not necessarily smooth, the technical scheme of the patent can only be adjusted in a telescopic way in a vertical direction, and the mounting box cannot be adjusted in an angle relative to the surface of the tunnel lining in the moving process, so that the situation that the joint between a detection instrument and the surface of the lining is not tight still exists at the uneven position, and the detection precision is not high enough; in addition, the rigid collision phenomenon exists in the moving process of the detecting instrument, so that the service life of the detecting instrument is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the purpose of the disclosure is to provide a fixing device for a tunnel secondary lining concrete thickness detection instrument, which solves the problem that the detection instrument in the prior art cannot be tightly attached to the lining surface at any time, thereby improving the detection quality and the precision.
The purpose of the disclosure can be achieved by the following technical scheme:
a fixing device for two lining concrete thickness detecting instrument in tunnel, includes installation base, supporting seat and instrument mount pad, the supporting seat is located the installation base top and rotates with the installation base and be connected, the symmetry sets up the regulating part that can adjust the supporting seat between supporting seat and the installation base.
The instrument installation seat is arranged above the supporting seat and can be lifted relative to the supporting seat, supporting springs are arranged in front of the supporting seat and the instrument installation seat and symmetrically arranged on two sides of the instrument installation seat, one end of each supporting spring is fixed on the supporting seat, the other end of each supporting spring is fixed on the instrument installation seat, the supporting springs can ensure that the instrument installation seat is uniformly stressed, the detecting instrument is prevented from being damaged due to overlarge stress, and gaps between the detecting instrument and the surface of concrete due to the fact that the detecting instrument is not stressed can also be prevented.
The detection instrument is arranged at the top of the instrument mounting seat, rollers are arranged on the other two side surfaces of the instrument mounting seat opposite to the supporting springs, and the rollers are positioned at the top of the instrument mounting seat; the roller is arranged on the roller mounting seat, the bottom of the roller mounting seat is provided with a rotating shaft, and the bottom end of the rotating shaft is arranged on the roller fixing seat; the roller rolls on the concrete surface to reduce the friction between the detecting instrument and the concrete surface.
The instrument mounting seat can lift for the supporting seat and provide power through the hydro-cylinder, and the hydro-cylinder is installed on the supporting seat, and the hydro-cylinder piston rod is connected with the instrument mounting seat, is equipped with the inductor on the hydro-cylinder, can measure whether detecting instrument and concrete surface are closely pasted to control the hydro-cylinder and stretch out and draw back, adjust the horizontal of instrument mounting seat in tunnel transverse direction through the hydro-cylinder is flexible, makes detecting instrument and tunnel arch concrete surface closely paste.
The supporting seat comprises a horizontal seat, a vertical seat and installation lugs, wherein the vertical seat and the installation lugs are vertically connected with the horizontal seat, the vertical seat is symmetrically arranged on two sides of the horizontal seat, the installation lugs are symmetrically arranged on two sides of the horizontal seat, the vertical seat faces upwards, the installation lugs face downwards, and the oil cylinder is arranged on the vertical seat.
The mode that supporting seat and installation base rotate to be connected is realized through setting up the cardan shaft, and the cardan shaft is fixed in on the installation base, and the rotation portion at cardan shaft both ends is connected with the installation lug.
The adjusting piece be the spring, the adjusting piece symmetry sets up in the both sides of cardan shaft, sets up the angle that the adjusting piece can be according to the lining cutting surface condition adjustment supporting seat that contacts, can make horizontal seat front and back atress even, and then ensures that detecting instrument closely pastes in tunnel longitudinal direction.
The rollers are arranged in three ways, one of the rollers is arranged on the central line of one side surface, and the other two rollers are arranged on the other side surface and symmetrically arranged on two sides of the central line.
The beneficial effects of this application:
1. according to the fixing device, the supporting seat can rotate relative to the mounting base, and the adjusting piece is arranged between the supporting seat and the mounting base, so that the angle of the supporting seat in the moving direction can be adjusted in the moving process, the front and rear stress of the horizontal seat is uniform, and the detecting instrument is ensured to be closely attached to the surface of the lining in the travelling direction; meanwhile, the instrument mounting seat can be lifted relative to the supporting seat, lifting of two sides of the instrument mounting seat is controlled by the oil cylinder, the oil cylinder is provided with the sensor, and the telescopic length of the oil cylinder is controlled by the sensor, so that the stress on the left side and the right side of the instrument mounting seat is uniform, and the fact that the detecting instrument is closely attached to the lining surface in the direction perpendicular to the advancing direction is ensured; therefore, the detection instrument can be well closely attached to the surface of the lining under the adjustment of angles in multiple directions of the fixing device, the detection precision is improved, meanwhile, the rigid collision of the detection instrument on the uneven surface is avoided due to the adjustment of angles in multiple directions, and the service life of the detection instrument is prolonged.
2. According to the utility model, the roller is arranged at the top of the instrument mounting seat, and the roller rolls on the surface of the concrete, so that the friction between the detecting instrument and the surface of the concrete can be reduced.
3. The supporting springs are arranged between the instrument mounting seat and the supporting seat, the supporting springs can ensure that the instrument mounting seat is uniformly stressed, the detecting instrument is prevented from being damaged due to overlarge stress, and gaps between the detecting instrument and the surface of the concrete due to the fact that the detecting instrument is not stressed can also be prevented.
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Drawings
FIG. 1 is a schematic view of a fixing device according to the present utility model;
FIG. 2 is a side view of the fixture of the present utility model;
reference numerals in the drawings: 1-mounting base, 2-supporting seat, 3-instrument mount pad, 4-regulating piece, 5-supporting spring, 6-detecting instrument, 7-gyro wheel, 8-gyro wheel mount pad, 9-rotation axis, 10-gyro wheel fixing base, 11-hydro-cylinder, 12-cardan shaft, 21-horizontal seat, 22-vertical seat, 23-installation lug.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.
The fixing device for the tunnel secondary lining concrete thickness detection instrument comprises a mounting base 1, a supporting seat 2 and an instrument mounting seat 3, wherein the supporting seat is positioned above the mounting base and is rotationally connected with the mounting base, and adjusting pieces 4 capable of adjusting the supporting seat are symmetrically arranged between the supporting seat and the mounting base;
the instrument mounting seat is arranged above the supporting seat and can be lifted relative to the supporting seat, supporting springs 5 are arranged in front of the supporting seat and the instrument mounting seat, the supporting springs are symmetrically arranged on two sides of the instrument mounting seat, one end of each supporting spring is fixed on the supporting seat, and the other end of each supporting spring is fixed on the instrument mounting seat; the supporting spring can ensure that the instrument mounting seat is uniformly stressed, prevent the detecting instrument from being damaged due to overlarge stress, and also prevent the detecting instrument from being stressed and having a gap with the surface of the concrete.
The detecting instrument 6 is arranged at the top of the instrument mounting seat 3, and rollers 7 are arranged on the other two side surfaces of the instrument mounting seat opposite to the supporting springs and are positioned at the top of the instrument mounting seat; the roller 7 is arranged on a roller mounting seat 8, a rotating shaft 9 is arranged at the bottom of the roller mounting seat, and the bottom end of the rotating shaft is arranged on a roller fixing seat 10; the roller rolls on the concrete surface to reduce the friction between the detecting instrument and the concrete surface.
The instrument mounting seat 3 can lift relative to the supporting seat 2 by providing power through the oil cylinder 11, the oil cylinder is arranged on the supporting seat, the oil cylinder piston rod is connected with the instrument mounting seat, and the oil cylinder is provided with an inductor, so that whether the detecting instrument is closely attached to the concrete surface or not can be measured, the oil cylinder is controlled to stretch out and draw back, the horizontal level of the instrument mounting seat in the transverse direction of the tunnel is adjusted through the stretch out and draw back of the oil cylinder, and the detecting instrument is closely attached to the concrete surface of the arch part of the tunnel.
The supporting seat 2 comprises a horizontal seat 21, a vertical seat 22 and mounting lugs 23, wherein the vertical seat and the mounting lugs are vertically connected with the horizontal seat, the vertical seats are symmetrically arranged on two sides of the horizontal seat, the mounting lugs are symmetrically arranged on two sides of the horizontal seat, the vertical seat faces upwards, the mounting lugs face downwards, and the oil cylinder 11 is arranged on the vertical seat.
The mode that supporting seat 2 and installation base 1 rotate to be connected is realized through setting up cardan shaft 12, and the cardan shaft is fixed in on the installation base, and the rotation portion at cardan shaft both ends is connected with the installation lug.
The adjusting piece 4 be the spring, the adjusting piece symmetry sets up in the both sides of cardan shaft, sets up the angle that the adjusting piece can be according to the lining cutting surface condition adjustment supporting seat that contacts, can make horizontal seat front and back atress even, and then ensures that detecting instrument closely pastes in tunnel longitudinal direction.
The rollers 7 are arranged in three, one of the rollers is arranged on the central line of one side surface, the other two rollers are arranged on the other side surface and symmetrically arranged on two sides of the central line, and the rollers are arranged in a mode that the fixing device can run more stably.
When the detection device is used, the fixing device is integrally arranged on a walking detection vehicle body, the mounting base is fixed on the detection vehicle body, and the fixing device walks along with the detection vehicle body, so that a detection instrument on the fixing device detects in real time.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A fixing device for tunnel second lining concrete thickness detecting instrument, its characterized in that: the device comprises a mounting base (1), a supporting seat (2) and an instrument mounting seat (3), wherein the supporting seat is positioned above the mounting base and is rotationally connected with the mounting base, and adjusting pieces (4) capable of adjusting the supporting seat are symmetrically arranged between the supporting seat and the mounting base;
the instrument mounting seat is arranged above the supporting seat and can be lifted relative to the supporting seat, supporting springs (5) are arranged in front of the supporting seat and the instrument mounting seat, the supporting springs are symmetrically arranged on two sides of the instrument mounting seat, one end of each supporting spring is fixed on the supporting seat, and the other end of each supporting spring is fixed on the instrument mounting seat; the detection instrument (6) is arranged at the top of the instrument mounting seat (3), rollers (7) are arranged on the other two side surfaces of the instrument mounting seat opposite to the supporting springs, and the rollers are positioned at the top of the instrument mounting seat;
the roller (7) is arranged on the roller mounting seat (8), a rotating shaft (9) is arranged at the bottom of the roller mounting seat, and the bottom end of the rotating shaft is arranged on the roller fixing seat (10).
2. The fixture for a tunnel secondary concrete thickness measuring instrument according to claim 1, wherein: the instrument mounting seat (3) can be lifted relative to the supporting seat (2) by providing power through an oil cylinder (11), the oil cylinder is mounted on the supporting seat, and a piston rod of the oil cylinder is connected with the instrument mounting seat.
3. The fixture for a tunnel secondary concrete thickness measuring instrument according to claim 2, wherein: the supporting seat (2) comprises a horizontal seat (21), a vertical seat (22) and mounting lugs (23), wherein the vertical seat and the mounting lugs are vertically connected with the horizontal seat, the vertical seat is symmetrically arranged on two sides of the horizontal seat, the mounting lugs are symmetrically arranged on two sides of the horizontal seat, the vertical seat faces upwards, the mounting lugs face downwards, and the oil cylinder (11) is arranged on the vertical seat.
4. A fixture for a tunnel secondary concrete thickness measuring instrument according to claim 3, wherein: the support seat (2) is rotationally connected with the mounting base (1) through the arrangement of the universal shaft (12), the universal shaft is fixed on the mounting base, and the rotating parts at the two ends of the universal shaft are connected with the mounting lugs.
5. The fixture for a tunnel secondary concrete thickness measuring instrument according to claim 4, wherein: the adjusting piece (4) is a spring and is symmetrically arranged on two sides of the universal shaft.
6. The fixture for a tunnel secondary concrete thickness measuring instrument according to claim 4, wherein: the rollers (7) are arranged in three, one of the rollers is arranged on the central line of one side surface, and the other two rollers are arranged on the other side surface and symmetrically arranged on two sides of the central line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547976.3U CN219062854U (en) | 2022-09-26 | 2022-09-26 | Fixing device for tunnel secondary lining concrete thickness detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547976.3U CN219062854U (en) | 2022-09-26 | 2022-09-26 | Fixing device for tunnel secondary lining concrete thickness detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062854U true CN219062854U (en) | 2023-05-23 |
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ID=86343085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222547976.3U Active CN219062854U (en) | 2022-09-26 | 2022-09-26 | Fixing device for tunnel secondary lining concrete thickness detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062854U (en) |
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2022
- 2022-09-26 CN CN202222547976.3U patent/CN219062854U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230823 Address after: 441104 No.73 Hangkong Road, Xiangzhou District, Xiangyang City, Hubei Province Patentee after: Xiangyang China Railway Chengda Engineering Testing Co.,Ltd. Patentee after: CHINA RAILWAY 11 BUREAU GROUP Co.,Ltd. Patentee after: NO 1 ENGINEERING Co.,Ltd. OF CR11BG Address before: 430061 No.277 Zhongshan Road, Wuchang District, Wuhan City, Hubei Province Patentee before: CHINA RAILWAY 11 BUREAU GROUP Co.,Ltd. Patentee before: NO 1 ENGINEERING Co.,Ltd. OF CR11BG |