Tunnel measuring instrument fixing device

Abstract

The utility model relates to a tunnel measuring instrument fixing device. At present, a measuring instrument is manually erected and fixed in a tunnel, stability and safety are low, and automatic monitoring cannot be achieved. The device comprises a base bracket, a fixed side plate, a telescopic rod, a fixed plate and a connecting plate, the fixing plates are respectively fixed on the tunnel lining at intervals up and down; the base bracket is horizontally arranged, a base fixing bolt for fixing a measuring instrument is arranged on the base bracket, and a wire hole for fixing a power supply and data transmission cable is formed in the base bracket; the fixing side plates are symmetrically arranged on the two sides of the base bracket and are perpendicular to the base bracket, one ends of the fixing side plates are connected with the connecting plates on the upper portion, the other ends of the fixing side plates are connected with one ends of the telescopic rods, and the other ends of the telescopic rods are connected with the connecting plates on the lower portion. When the fixed measuring instrument is used for measuring, the stability and the safety are high, and automatic monitoring can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping instruments, in particular to a tunnel surveying instrument fixing device. Background Art

[0002] In the surveying and mapping industry, there is a certain deformation between the railway and highway tunnels during operation and the newly built structures nearby. This deformation seriously threatens the safe operation of railways and highways. Therefore, it is necessary to fix measuring instruments within the tunnel safety line to conduct uninterrupted automatic deformation monitoring of target points within the deformation range in the tunnel, and at the same time transmit the measurement data to the server for analysis, early warning and disposal.

[0003] Generally speaking, the space inside the tunnel during operation is small, and personnel and equipment are not allowed to be within the safety line. The measuring instruments installed in the tunnel are easily hit by traffic vehicles and are easily affected by vibrations from the surrounding environment, which may affect the authenticity of the measurement data. The needs of automated monitoring goals cannot be met, and the impact of surrounding deformations on the tunnel cannot be well reflected.

[0004] Therefore, the current method of observing deformation targets by manually erecting fixed measuring instruments can no longer meet the needs of actual engineering measurement. Summary of the invention

[0005] The utility model aims to provide a tunnel measuring instrument fixing device, so as to at least solve the problems of low stability and safety and inability to automatically monitor the current manually erected fixed measuring instruments.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A tunnel measuring instrument fixing device, the device comprising a base bracket, a fixing side plate, a telescopic rod, a fixing plate and a connecting plate;

[0008] The fixing plates and the connecting plates are provided in multiple groups, and multiple connecting plates are vertically provided on the fixing plates of each group, and the fixing plates are fixed on the tunnel lining at intervals up and down respectively;

[0009] The base bracket is arranged horizontally, and is provided with base fixing bolts for fixing the measuring instrument, and is provided with wire holes for fixing power supply and data transmission cables;

[0010] The fixed side panels are symmetrically arranged on both sides of the base bracket and are respectively perpendicular to the base bracket, one end of the fixed side panel is respectively connected to the upper connecting plate, the other end of the fixed side panel is respectively connected to one end of the telescopic rod, and the other end of the telescopic rod is respectively connected to the lower connecting plate.

[0011] Furthermore, the fixing plate is respectively provided with a plurality of bolt holes, and is fixed to the tunnel lining by expansion bolts.

[0012] Furthermore, the connecting plates are respectively provided with bolt holes.

[0013] Furthermore, bolt holes are respectively provided at both ends of the fixed side plate.

[0014] Furthermore, the upper connecting plate is connected to the fixed side plate via fixing bolts.

[0015] Furthermore, the telescopic rod is in a hollow column shape, and fixing nuts are respectively provided at both ends, and the fixing nuts are respectively connected to telescopic bolts.

[0016] Furthermore, the telescopic rod and the fixed side plate are connected by the fixing bolt passing through the telescopic bolt.

[0017] Furthermore, the telescopic rod is connected to the connecting plate below by the fixing bolt passing through the telescopic bolt.

[0018] Furthermore, the connecting plate and the fixing plate are integrally arranged and are in a regular "π" shape.

[0019] Furthermore, the wire holes are circular holes.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0021] 1. The utility model is fixed on the tunnel lining, and the measuring instrument is installed on the upper part of the utility model, which can fix the measuring instrument at a fixed position to measure the target, ensuring the uniqueness of its measurement benchmark; when the utility model is in use, the size and height of the device can be adjusted by adjusting the telescopic rod according to the situation of the tunnel lining, which is beneficial to the balance of the base bracket, ensuring the stability of the device, and not being easily damaged by collisions with people and vehicles, ensuring the safety of the device, and at the same time, the authenticity of the measurement data will not be affected by the surrounding vibration, thereby improving work efficiency and measurement accuracy, and ensuring its safety and reliability.

[0022] 2. When the utility model is used, the assembly can be completed by simply connecting the various components with a movable wrench. The operation is simple and easy to install. No personnel are required to be on duty. Uninterrupted measurement and automatic monitoring can be achieved. The manufacturing cost is low and the practicability is strong.

[0023] 3. The utility model adopts wear-resistant and corrosion-resistant stainless steel material, has good reusability, is suitable for various domestic and foreign imported measuring instruments, and has good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a schematic diagram of the structure of the present embodiment installed on the tunnel lining;

[0026] Figure 2 It is a schematic diagram of the structure of each component of this embodiment;

[0027] The symbols in the figure are:

[0028] 1-base bracket, 2-base fixing bolt, 3-wire hole, 4-fixed side plate, 5-fixing bolt, 6-telescopic bolt, 7-telescopic rod, 8-fixing plate, 9-connecting plate. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0030] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Example:

[0033] like Figure 1-Figure 2As shown, this embodiment provides a tunnel measuring instrument fixing device for cooperating with a fixed measuring instrument in a tunnel to measure a deformed target, including a base bracket 1, a fixed side plate 4, a telescopic rod 7, a fixed plate 8 and a connecting plate 9.

[0034] Among them, there are two groups of fixing plates 8 and connecting plates 9, each group includes a fixing plate 8 and two connecting plates 9, and the two connecting plates 9 are respectively fixed vertically on the fixing plates 8, and the fixing plates 8 are respectively fixed on the tunnel lining at intervals up and down. Three bolt holes are respectively provided on the fixing plates 8, and the three bolt holes are arranged in sequence at intervals of the connecting plates 9, and the fixing plates 8 are fixed to the tunnel lining by expansion bolts.

[0035] The connecting plate 9 and the fixing plate 8 are welded together to form a regular "π" shape as a whole. Bolt holes are respectively arranged on the connecting plate 9.

[0036] The base bracket 1 is horizontally arranged to support the measuring instrument and ensure its stability. The base bracket 1 is provided with a base fixing bolt 2 for fixing the measuring instrument. The measuring instrument can be fixed on the base fixing bolt 2 by rotating the base of the measuring instrument, thereby ensuring the uniqueness of its measurement reference. The base bracket 1 is also provided with a wire hole 3 for fixing the power supply and data transmission cables. When using the automated monitoring equipment, the power supply and data transmission cables are fixed through the wire hole 3 to ensure the safety of the cables.

[0037] The wire hole 3 is a circular hole.

[0038] The base bracket 1, the wire hole 3 and the fixed side plate 4 are integrally cut from a regular "groove-shaped" stainless steel plate.

[0039] Furthermore, the fixed side panels 4 are symmetrically arranged on both sides of the base bracket 1 and are respectively perpendicular to the base bracket 1, one end of the fixed side panels 4 are respectively connected to the upper connecting plates 9, the other end of the fixed side panels 4 are respectively connected to one end of the telescopic rod 7, and the other end of the telescopic rod 7 is respectively connected to the lower connecting plates 9.

[0040] Bolt holes are respectively provided at both ends of the fixed side plate 4, and the upper connecting plate 9 is connected to the fixed side plate 4 by fixing bolts 5 that pass through the bolt holes on the connecting plate 9 and the fixed side plate 4 in sequence, so as to support the base bracket 1 and keep the base bracket 1 stable.

[0041] The telescopic rod 7 is hollow cylindrical, and has fixing nuts at both ends. The fixing nuts are rotatably connected to the telescopic bolts 6. The telescopic bolts 6 are hollow cylindrical. By rotating the telescopic rod 7 and the telescopic bolts 6, the distance between the telescopic bolts 6 at both ends of the telescopic rod 7 can be adjusted.

[0042] The telescopic rod 7 is connected to the fixed side plate 4 by means of the fixing bolt 5 which passes through the telescopic bolt 6 and the bolt hole on the fixed side plate 4 in sequence, thereby fixing the support base bracket 1 .

[0043] The telescopic rod 7 is connected to the connecting plate 9 below by means of fixing bolts 5 which pass through the telescopic bolts 6 and the bolt holes on the connecting plate 9 in sequence, thereby supporting the telescopic rod 7 .

[0044] In this embodiment, the fixing bolt 5 is a hexagon socket bolt and is provided with a nut, and each structure is made of stainless steel.

[0045] The installation and use process of this embodiment is as follows:

[0046] According to the tunnel lining conditions, the fixed plate 8 is fixed to the tunnel lining by expansion bolts, the telescopic bolts 6 are respectively connected with the fixing nuts on the telescopic rod 7 by rotation, and then the two ends of the telescopic rod 7 are respectively connected to the fixed side plate 4 and the connecting plate 9 by fixing bolts 5, and the base bracket 1 is adjusted to be horizontal and balanced.

[0047] After adjusting the level, install and fix the measuring instrument on the base fixing bolt 2 and make it closely tangent to the base bracket 1. Adjust the screw of the measuring instrument base to make it level, and then fix the power supply and data transmission cables through the wire hole 3 to ensure their safety and reliability.

[0048] During the measurement process, this embodiment cannot be disassembled or the height and size cannot be adjusted.

[0049] After the measurement is completed, the expansion bolts on the fixing plate 8 are loosened. The whole device of this embodiment is fixedly connected and can be conveniently moved to the next measuring point for continued use.

[0050] After use, slightly loosen the fixing bolts 5, and the whole device of this embodiment is fixedly connected and tied with a rain cloth to avoid loss.

[0051] Based on the connection between the telescopic rod 7 and the telescopic bolt 6, the height and distance between the telescopic bolts 6 at both ends of the telescopic rod 7 are adjusted by rotating the telescopic rod 7, which is well adapted to the conditions of the tunnel lining. While fixing the measuring instrument, its stable balance is maintained, thus avoiding damage to the measuring equipment by personnel and vehicles, reducing the interference of surrounding vibrations on the measuring equipment, ensuring the uniqueness of the measurement benchmark, making the measuring instrument more effective in target identification, improving the authenticity and accuracy of the measurement data, and greatly improving the safety of deformation measurement monitoring.

[0052] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A tunnel measuring instrument fixing device, Features: The device comprises a base bracket (1), a fixed side plate (4), a telescopic rod (7), a fixed plate (8) and a connecting plate (9); the fixed plate (8) and the connecting plate (9) are provided in a plurality of groups, and a plurality of connecting plates (9) are vertically provided on the fixed plate (8) of each group, and the fixed plates (8) are respectively fixed on the tunnel lining at intervals up and down; the base bracket (1) is arranged horizontally, and the base bracket (1) is provided with a base fixing bolt (2) for fixing a measuring instrument, and a wire hole (3) for fixing a power supply and data transmission cable; the fixed side plates (4) are symmetrically arranged on both sides of the base bracket (1) and are respectively perpendicular to the base bracket (1), one end of the fixed side plate (4) is respectively connected to the connecting plate (9) above, the other end of the fixed side plate (4) is respectively connected to one end of the telescopic rod (7), and the other end of the telescopic rod (7) is respectively connected to the connecting plate (9) below.

2. A tunnel measuring instrument fixing device according to claim 1, Features: The fixing plate (8) is respectively provided with a plurality of bolt holes, and is fixed to the tunnel lining by means of expansion bolts.

3. A tunnel measuring instrument fixing device according to claim 1, Features: The connecting plates (9) are respectively provided with bolt holes.

4. A tunnel measuring instrument fixing device according to claim 1, Features: Bolt holes are respectively provided at both ends of the fixed side plate (4).

5. A tunnel measuring instrument fixing device according to claim 1, Features: The upper connecting plate (9) is connected to the fixed side plate (4) via fixing bolts (5).

6. A tunnel measuring instrument fixing device according to claim 1, Features: The telescopic rod (7) is in the shape of a hollow column and is provided with fixing nuts at both ends, respectively, and the fixing nuts are respectively connected to the telescopic bolts (6).

7. A tunnel measuring instrument fixing device according to claim 6, Features: The telescopic rod (7) is connected to the fixed side plate (4) via a fixing bolt (5) passing through the telescopic bolt (6).

8. A tunnel measuring instrument fixing device according to claim 6, Features: The telescopic rod (7) is connected to the connecting plate (9) below via a fixing bolt (5) passing through the telescopic bolt (6).

9. A tunnel measuring instrument fixing device according to claim 1, Features: The connecting plate (9) and the fixing plate (8) are integrally arranged and are in a regular "π" shape.

10. A tunnel measuring instrument fixing device according to claim 1, Features: The wire hole (3) is a circular hole.

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