Auxiliary positioning equipment for vibrating wire type two-point displacement meter

Abstract

The utility model discloses auxiliary positioning equipment for a vibrating wire type two-point displacement meter, which comprises a bottom plate seat and a fixed point assembly, a sliding groove is transversely formed in the middle of the bottom plate seat, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, and the fixed point assembly used for carrying out fixed point printing on the two ends of the vibrating wire type two-point displacement meter is longitudinally installed in the sliding block. The point fixing assembly comprises a first movable column, a pressing plate, a groove, a reset spring and a point hole drill bit, the pressing plate is fixedly installed at the top of the first movable column, the groove is formed in the outer wall of the middle section of the first movable column, the outer wall of the bottom of the first movable column is sleeved with the reset spring, and the point hole drill bit is fixedly installed at the tail end of the first movable column; the front end of the sliding block is slidably connected with an ejector rod. According to the auxiliary positioning equipment for the vibrating wire type two-point displacement meter, the vibrating wire type two-point displacement meter can be accurately positioned, later trepanning and fixing are facilitated, and meanwhile the device can be prevented from moving in the positioning process.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating-string two-point displacement meters, in particular to auxiliary positioning equipment for vibrating-string two-point displacement meters. Background Art

[0002] Vibrating string displacement meter, also known as crack meter, displacement meter, is widely used in monitoring the width change of cracks in bridges, tunnels, buildings, concrete, etc., and is commonly used in the quality inspection of civil engineering projects such as water conservancy dams, landslides, geological disasters, highways, railways, bridges, tunnels, foundation pit construction, etc. Before installation, the vibrating string displacement meter needs to be positioned by auxiliary positioning equipment.

[0003] For example, the patent document with application number CN202221849269.3 discloses a vibrating-string displacement meter. This utility model vibrating-string displacement meter has improved the waterproof level, solved the problem of insufficient waterproof effect of traditional vibrating-string displacement meters, extended the use time, and saved costs. However, this vibrating-string displacement meter cannot accurately locate the two points of its installation during installation and use, resulting in deviation from the original predetermined position, affecting subsequent use.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an auxiliary positioning device for a vibrating-wire two-point displacement meter is proposed. Utility Model Content

[0005] The utility model aims to provide an auxiliary positioning device for a vibrating-wire two-point displacement meter to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary positioning device for a vibrating-string two-point displacement meter, comprising a base plate seat and a fixed-point component, a slide groove is horizontally opened in the middle of the base plate seat, and a slider is slidably connected to the inner wall of the slide groove, and the fixed-point component used for marking the fixed points at both ends of the vibrating-string two-point displacement meter is longitudinally installed inside the slider, and the fixed-point component comprises a first movable column, a pressure plate, a groove, a reset spring and a spot drill bit, a pressure plate is fixedly installed on the top of the first movable column, and a groove is opened on the outer wall of the middle section of the first movable column, a reset spring is sleeved on the outer wall of the bottom of the first movable column, and a spot drill bit is fixedly installed on the end of the first movable column.

[0007] Preferably, the front end of the sliding block is slidably connected to a push rod, and the front end outer wall of the push rod is sleeved with a pull-back spring.

[0008] Preferably, the end of the pull-back spring is fixed to the slider, and the end of the push rod is fixedly mounted with a flat head push block, and the end of the flat head push block is slidably connected to the first movable column.

[0009] Preferably, a support plate is fixedly mounted on the front end of the bottom of the sliding block, and a clamping column is fixedly mounted on the top end of the front end of the support plate.

[0010] Preferably, a pointer is fixedly mounted on the top front end of the sliding block, and a scale is provided on the front side of the bottom plate seat corresponding to the sliding groove.

[0011] Preferably, a second movable column is fixedly mounted on the left side of the base plate seat, and the overall structure of the second movable column is consistent with the overall structure of the first movable column.

[0012] Preferably, a fixing groove is provided at the right end of the base plate seat, and a clamping plate is provided inside the fixing groove for engagement.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the auxiliary positioning device for the vibrating-wire two-point displacement meter can not only accurately position the vibrating-wire two-point displacement meter to facilitate subsequent hole opening and fixation, but also prevent the device from being displaced during the positioning process.

[0014] 1. The utility model moves the slider to a suitable position by setting a fixed point component, and then sets the fixing seats on both sides of the vibrating-wire two-point displacement meter on the clamping column set at the front end of the base plate seat, so that the vibrating-wire two-point displacement meter is combined with the base plate seat, and then presses down the pressing plate, so that the first movable column and the second movable column set at the bottom of the pressing plate are synchronously moved down and rotated at the same time, so that the point hole drill is used to open holes at the position interval of the fixed points at both ends of the vibrating-wire two-point displacement meter, so as to facilitate the later fixing of the vibrating-wire two-point displacement meter and the detected object, so as to achieve the purpose of accurate positioning of the vibrating-wire two-point displacement meter;

[0015] 2. The utility model cooperates with the setting of the flat head top block through the push rod, so that when the first movable column moves downward, the flat head top block slides out from the inside of the groove, and the flat head top block pushes the push rod outward while moving out, and applies pressure to the slide groove, so that the slider is fixed in the predetermined position, thereby achieving the purpose of preventing the device from being displaced during the positioning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an auxiliary positioning device for a vibrating-wire two-point displacement meter of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall development structure of an auxiliary positioning device for a vibrating-wire two-point displacement meter of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a fixed-point component of an auxiliary positioning device for a vibrating-wire two-point displacement meter of the utility model;

[0019] Figure 4The utility model is a schematic diagram of the overall structure of a slider of an auxiliary positioning device for a vibrating-wire two-point displacement meter.

[0020] In the figure: 1, base plate; 2, slide groove; 3, slider; 4, fixed point assembly; 401, first movable column; 402, pressure plate; 403, groove; 404, reset spring; 405, point hole drill; 5, push rod; 6, pull-back spring; 7, flat head top block; 8, support plate; 9, clamping column; 10, pointer; 11, scale; 12, second movable column; 13, fixed groove; 14, clamping plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 3 As shown, an auxiliary positioning device for a vibrating-string two-point displacement meter includes a base plate 1 and a fixed-point component 4. A slide groove 2 is horizontally opened in the middle of the base plate 1, and a slider 3 is slidably connected to the inner wall of the slide groove 2. The fixed-point component 4 for leaving fixed-point marks on both ends of the vibrating-string two-point displacement meter is longitudinally installed inside the slider 3. The fixed-point component 4 includes a first movable column 401, a pressure plate 402, a groove 403, a reset spring 404 and a point-hole drill bit 405. The pressure plate 402 is fixedly installed on the top of the first movable column 401, and a groove 403 is opened on the outer wall of the middle section of the first movable column 401. The bottom outer wall of the first movable column 401 is sleeved with a reset spring 404, and the end of the first movable column 401 is fixedly installed with a point-hole drill bit 405.

[0023] Move the slider 3 to a suitable position, and then put the fixed seats on both sides of the vibrating-string two-point displacement meter on the clamping column 9 set at the front end of the base plate seat 1, so that the vibrating-string two-point displacement meter is combined with the base plate seat 1, and then press the pressing plate 402 downward, so that the first movable column 401 and the second movable column 12 set at the bottom of the pressing plate 402 are synchronously moved downward and rotated, so that the point hole drill 405 makes holes in the position spacing of the fixed points at both ends of the vibrating-string two-point displacement meter, which is convenient for the later fixation of the vibrating-string two-point displacement meter and the detected object, so as to achieve the purpose of accurate positioning of the vibrating-string two-point displacement meter.

[0024] like Figure 4 As shown, the front end of the slider 3 is slidably connected to a push rod 5, and the front end outer wall of the push rod 5 is sleeved with a pull-back spring 6.

[0025] The pull-back spring 6 is used to reset the extruded ejector pin 5.

[0026] Furthermore, the end of the pull-back spring 6 is fixed to the slider 3 , and the end of the push rod 5 is fixedly mounted with a flat head top block 7 , and the end of the flat head top block 7 is slidably connected to the first movable column 401 .

[0027] The flat head top block 7 is convenient for applying pressure to the top rod 5 fixed at the front end.

[0028] Furthermore, a support plate 8 is fixedly mounted on the front end of the bottom of the slider 3 , and a clamping column 9 is fixedly mounted on the top of the front end of the support plate 8 .

[0029] The clamping column 9 enables the vibrating-wire two-point displacement meter to be accurately combined with the device.

[0030] Furthermore, a pointer 10 is fixedly mounted on the top front end of the sliding block 3 , and a scale 11 is provided on the front side of the bottom plate seat 1 corresponding to the sliding groove 2 .

[0031] Scale 11 allows the device to be used for positioning directly based on the value of the previous test.

[0032] Furthermore, a second movable column 12 is fixedly mounted on the left side of the base plate seat 1 , and the overall structure of the second movable column 12 is consistent with the overall structure of the first movable column 401 .

[0033] Furthermore, a fixing groove 13 is formed at the right end of the base plate 1 , and a clamping plate 14 is clamped inside the fixing groove 13 .

[0034] When the clamping plate 14 is disassembled, the slider 3 can be replaced or maintained.

[0035] Working principle: When using the auxiliary positioning device for the vibrating wire two-point displacement meter, first,

[0036] Embodiment 1: Move the slider 3 to a suitable position, and then put the fixed seats on both sides of the vibrating-wire two-point displacement meter on the clamping column 9 set at the front end of the base plate seat 1, so that the vibrating-wire two-point displacement meter is combined with the base plate seat 1, and then press the pressing plate 402 downward, so that the first movable column 401 and the second movable column 12 set at the bottom of the pressing plate 402 are synchronously moved downward and rotated, so that the point hole drill 405 drills holes at the position spacing of the fixed points at both ends of the vibrating-wire two-point displacement meter;

[0037] Embodiment 2: When the first movable column 401 moves downward, the flat head top block 7 slides out from the inside of the groove 403, and while the flat head top block 7 moves out, it pushes the top rod 5 to move outward and applies pressure to the slide groove 2, so that the slider 3 is fixed in the predetermined position, thereby preventing the device from being displaced during the positioning process. This is the working principle of the auxiliary positioning device for the vibrating string two-point displacement meter.

Claims

1. An auxiliary positioning device for a vibrating-wire two-point displacement meter, comprising a base plate (1) and a fixed-point assembly (4), characterized in that: A slide groove (2) is transversely provided in the middle of the base plate seat (1), and a slider (3) is slidably connected to the inner wall of the slide groove (2); the fixed point component (4) for leaving fixed point marks on both ends of the vibrating string type two-point displacement meter is longitudinally installed inside the slider (3); the fixed point component (4) comprises a first movable column (401), a pressure plate (402), a groove (403), a reset spring (404) and a point hole drill (405); the top of the first movable column (401) is fixedly installed with a pressure plate (402), and the middle outer wall of the first movable column (401) is provided with a groove (403); the bottom outer wall of the first movable column (401) is sleeved with a reset spring (404), and the end of the first movable column (401) is fixedly installed with a point hole drill (405).

2. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 1, characterized in that: The front end of the sliding block (3) is slidably connected to a push rod (5), and the front end outer wall of the push rod (5) is sleeved with a pull-back spring (6).

3. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 2, characterized in that: The end of the pull-back spring (6) is fixed to the slider (3), and the end of the push rod (5) is fixedly mounted with a flat head top block (7), and the end of the flat head top block (7) is slidably connected to the first movable column (401).

4. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 1, characterized in that: A support plate (8) is fixedly mounted on the front end of the bottom of the sliding block (3), and a clamping column (9) is fixedly mounted on the top end of the front end of the support plate (8).

5. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 1, characterized in that: A pointer (10) is fixedly mounted on the top front end of the sliding block (3), and a scale (11) is provided on the front side of the bottom plate seat (1) corresponding to the sliding groove (2).

6. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 1, characterized in that: A second movable column (12) is fixedly mounted on the left side of the base plate seat (1), and the overall structure of the second movable column (12) is consistent with the overall structure of the first movable column (401).

7. The auxiliary positioning device for a vibrating wire two-point displacement meter according to claim 1, characterized in that: A fixing groove (13) is provided at the right end of the base plate seat (1), and a clamping plate (14) is clamped inside the fixing groove (13).

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