CN216283361U - Adjustable contact displacement meter support device for foundation pit model test - Google Patents

Abstract

The utility model relates to the field of displacement meter brackets, in particular to an adjustable contact displacement meter bracket device for foundation pit model test, comprising a base, a vertical support device and a displacement meter mounting base; one end of the vertical support device is connected with The base is connected, and the other end is connected with the displacement meter placement base; it is characterized in that: the vertical support device includes a fastening device and at least two vertical support sections, and the adjacent two vertical support sections are coaxially arranged, and can be It is connected in a movable manner along its axial direction; the fastening devices are respectively connected with two adjacent vertical support sections for locking or loosening the two adjacent vertical support sections. The utility model can adjust the height of the base where the displacement meter is placed and adapt to different test conditions.

Description

An adjustable contact displacement meter support device for foundation pit model test

technical field

The utility model relates to the field of displacement gauge brackets, in particular to an adjustable contact displacement gauge bracket device for foundation pit model tests.

Background technique

In the civil engineering structure test, it is necessary to measure various displacements and deformations. These deformations are very small and difficult to be directly observed with the naked eye. Therefore, an instrument for measuring displacement and deformation is required. Due to the high measurement accuracy of the displacement meter and the simple structure , Easy to use and strong reliability, so it is widely used in various simulation experiments.

In various simulation experiments, in order to stabilize the measurement process and the measurement results are accurate, the displacement meter is often installed on a specific bracket device, but the traditional displacement meter bracket device has a single structure, cannot adjust the height, and cannot flexibly adapt to various test conditions. , and sometimes need to design multiple position measuring points, and then need multiple bracket devices to meet the requirements, but the site space may be small during the test, it is difficult to arrange multiple traditional displacement meter bracket devices at the same time, and it will reduce the construction efficiency and affect the measurement accuracy.

Utility model content

In order to solve the problems that the traditional displacement meter support device has a single structure, a fixed form, cannot be adjusted in height, and cannot be flexibly adapted to various experimental conditions, the utility model is proposed.

The utility model provides an adjustable contact displacement meter support device for foundation pit model test, comprising a base, a vertical support device and a displacement meter placement base; one end of the vertical support device is connected with the base, The other end is connected with the displacement meter placement base; specifically, the vertical support device includes a fastening device and at least two vertical support sections, and the two adjacent vertical support sections are arranged coaxially and can be along the axial direction thereof. Connected movably; the fastening devices are respectively connected with two adjacent vertical support sections for locking or loosening the two adjacent vertical support sections.

Further, the fastening device includes a U-shaped clamp and a first bolt; the U-shaped clamp includes clamping holes respectively clamped on two adjacent vertical support sections, and an open slot connected with the clamping holes; the The U-shaped clamp is provided with an adjustment hole penetrating the U-shaped clamp and the opening slot; the bolt is connected with the nut through the adjustment hole, and is used for adjusting the diameter of the clamp hole.

Further, the vertical support section is cylindrical, and one end of the vertical support section is provided with a telescopic hole extending along its axial direction; one vertical support section is inserted into the telescopic hole of the other vertical support section; the clamping hole is a variable diameter. , the diameter difference between its two ends is equal to the diameter difference between the adjacent vertical support sections.

Further, scale marks are engraved on the surface of the vertical support rod.

Further, the base includes a support and a bottom plate; the support and the bottom plate are connected by a second bolt; the bottom plate and the vertical support device are welded.

Further, the support is provided with four first threaded holes evenly arranged around the center line of the support; the bottom plate is provided with four second threaded holes corresponding to the first threaded holes one-to-one; The two bolts are inserted into the second threaded hole and the first threaded hole in turn to connect the support and the bottom plate.

Further, the base is provided with a through hole penetrating the base along an axial direction perpendicular to the vertical support device; a cross bar is inserted into the through hole; the two ends of the cross bar respectively protrude to the outside of the base .

Further, the number of the vertical support devices is four; the four vertical support devices are evenly arranged around the center line of the base.

Further, the displacement meter mounting base includes at least two top plates; the two top plates are detachably connected.

Further, the edge of the top plate is provided with a mounting groove penetrating the top plate along the axial direction of the vertical support device; the third bolt connects the two adjacent top plates after passing through the mounting grooves of the two adjacent top plates in sequence.

The beneficial effects of the present utility model:

1. Use a vertical support device to adjust the relative positional relationship of two adjacent vertical support sections, and then use a fastening device to lock it, so as to adjust the height of the displacement meter installation base, which is suitable for different test heights. Mock test.

2. By setting the splicable top plate on the top, it can provide different measurable radii of the displacement gauges, and it is suitable for the situation where multiple sets of displacement gauges work together.

3. The device adopts a separate design and a splicable design as a whole, which is easy to disassemble and install, easy to move and relocate, and has high adaptability and practicability.

Description of drawings

1 is a schematic diagram of the overall structure of an adjustable contact displacement gauge support device for a foundation pit model test according to the present utility model;

2 is a schematic diagram of the base structure of an adjustable contact displacement meter support device for a foundation pit model test according to the present utility model;

3 is a front view of the base of the adjustable contact displacement meter support device for a foundation pit model test according to the present utility model;

4 is a schematic diagram of the connection between the vertical support rod and the base and the splicable top plate of the adjustable contact displacement meter bracket device for a foundation pit model test according to the present invention;

5 is a schematic diagram of a splicable top plate connection of an adjustable contact displacement meter support device for a foundation pit model test according to the present invention;

6 is a schematic structural diagram of a vertical support rod of an adjustable contact displacement meter support device for a foundation pit model test according to the present utility model;

7 is a front view of a vertical support rod of an adjustable contact displacement meter support device for a foundation pit model test according to the present utility model;

8 is a top view of the fastening device of the vertical support device of the adjustable contact displacement meter bracket device for a foundation pit model test according to the present invention.

Reference numerals: 1, base; 2, vertical support device; 3, displacement meter placement base; 11, support; 12, bottom plate; 13, cross bar; 14, second bolt; 21, vertical support section; 22, U-shaped clamp; 23, the first bolt; 31, the top plate; 32, the third bolt.

Detailed ways

Obviously, the embodiments described below are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, a specific orientation, and a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be construed in a broad sense unless otherwise expressly specified and limited.

In order to make the technical solution of the adjustable contact displacement meter support device for foundation pit model test described in the present utility model clearer, the present utility model is further described below with reference to the accompanying drawings.

As shown in Figures 1 and 4, an adjustable contact displacement gauge support device for foundation pit model test includes: a base 1, a vertical support device 2 and a displacement gauge placement base 3; the vertical support device 2 One end is connected to the base 1, and the other end is connected to the displacement meter placement base 3; specifically: the vertical support device 2 includes a fastening device and at least two vertical support sections 21, two adjacent vertical support sections 21 They are arranged coaxially and can be moved along their axial direction; the fastening devices are respectively connected with the two adjacent vertical support sections 21 for locking or loosening the two adjacent vertical support sections 21 .

With such a structure, the relative positional relationship between the two adjacent vertical support sections 21 is adjusted, and then locked with the fastening device, so as to realize the adjustment of the height of the displacement meter installation base 3, which is suitable for the simulation of different test heights. test.

Further, as shown in FIGS. 6 , 7 and 8 , the fastening device includes a U-shaped clamp 22 and a first bolt 23 ; A clamping hole and an open slot connected to the clamping hole; the U-shaped clamp 22 is provided with an adjustment hole penetrating the U-shaped clamp 22 and the open groove; the first bolt 23 is connected to the nut through the adjustment hole for adjustment The diameter of the clip hole.

Further, the vertical support section 21 is cylindrical, and one end thereof is provided with a telescopic hole extending along its axial direction; one vertical support section 21 is inserted into the telescopic hole of the other vertical support section 21; the clip hole In order to reduce the diameter, the diameter difference between the two ends is equal to the diameter difference between the adjacent vertical support sections 21 .

With such a structure, the degree of tightening between the nut and the first bolt 23 can be controlled, thereby controlling the degree of clamping between the U-shaped clamp 22 and the vertical support section 21, so as to achieve the tightening of two adjacent vertical support sections. The purpose of 21 is to realize flexible adjustment of the height of the vertical support device 2 .

Further, the surface of the vertical support section 21 is engraved with a scale mark line, and the scale mark line is composed of long lines and short lines, and each vertical support section 21 is equally divided into 500 segments, and its scale accuracy is 0.001m. Reading the scale on the surface of the vertical support section 21 controls the length of the vertical support section 21, so that it can meet the displacement meter experiments of different heights.

With such a structure, the controllability of the length of the vertical support device 2 is ensured, so that the telescopic or extended lengths of the vertical support sections 21 are kept consistent, and the displacement gauge placement base 3 at the top of the vertical support sections 21 is kept horizontal, so that the The displacement meter measurement results are accurate and unbiased.

Further, as shown in FIGS. 2 and 3 , the base 1 includes a support 11 and a bottom plate 12 ; the support 11 and the bottom plate 12 are connected by second bolts 14 ; the bottom plate 12 is welded with the vertical support device 2 .

Further, the support 11 is provided with four first threaded holes evenly arranged around the center line of the support; the bottom plate 12 is provided with four second threaded holes corresponding to the first threaded holes one-to-one; The second bolt 14 is inserted into the second threaded hole and the first threaded hole in sequence to connect the support 11 and the bottom plate 12 .

The support 11 and the bottom plate 12 adopt a separate structure design, which is simple and easy to install and disassemble, which improves the convenience of movement and reduces the burden of transportation.

Further, the number of the vertical support devices 2 is four; the four vertical support devices 2 are evenly arranged around the center line of the base 1 .

Further, the base 1 is provided with a through hole penetrating the base along the axial direction perpendicular to the vertical support device 2; a cross bar 13 is inserted into the through hole; The outer side of 1 protrudes; the two ends of the cross bar 13 are provided with mesh pattern handles to increase the friction force at the grip.

With such a structure, the use of the cross bar 13 can make the movement of the base 1 more convenient, improve the overall efficiency, and save space at the same time.

Further, as shown in FIG. 5 , the displacement gauge mounting base 3 includes at least two top plates 31 ; the two top plates 31 are detachably connected.

Further, the edge of the top plate 31 is provided with a mounting groove that penetrates the top plate 31 along the axial direction of the vertical support device 2; the third bolt 32 connects the two adjacent top plates 31 after passing through the mounting grooves of the two adjacent top plates 31 in sequence. Top plate 31 .

Specifically, the splicing method of the top plate 31 is further explained: two identical top plates 31 are placed up and down respectively, wherein the right mounting groove of the lower top plate 31 and the left mounting groove of the upper top plate 31 are butted and overlapped, and then the first The three bolts 32 are inserted into the overlapping positions of the installation grooves, and the distance between the third bolts 32 is kept the same. The upper and lower top plates 31 are fixed by tightening the lower nuts, and so on.

By adopting such a structure, by splicing the top plate 31, it can be applied to the situation where multiple groups of displacement meters work together, and it is convenient for the displacement meters to measure different radii, which is accurate, fast, light and practical.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (10)

1. An adjustable contact type displacement meter bracket device for a foundation pit model test comprises a base, a vertical supporting device and a displacement meter mounting base; one end of the vertical supporting device is connected with the base, and the other end of the vertical supporting device is connected with the displacement meter placing base; the method is characterized in that: the vertical supporting device comprises a fastening device and at least two vertical supporting sections, and every two adjacent vertical supporting sections are coaxially arranged and can be connected in a moving mode along the axial direction of the vertical supporting sections; the fastening device is respectively connected with the two adjacent vertical supporting sections and used for locking or loosening the two adjacent vertical supporting sections.

2. The adjustable contact type displacement meter bracket device for the foundation pit model test according to claim 1, characterized in that: the fastening device comprises a U-shaped clamp and a first bolt; the U-shaped clamp comprises clamping holes respectively clamped on two adjacent vertical supporting sections and an open slot connected with the clamping holes; the U-shaped clamp is provided with an adjusting hole which penetrates through the U-shaped clamp and the open slot; the bolt penetrates through the adjusting hole to be connected with the nut and is used for adjusting the aperture of the clamping hole.

3. The adjustable contact type displacement meter bracket device for the foundation pit model test according to claim 2, characterized in that: the vertical supporting section is cylindrical, and one end of the vertical supporting section is provided with a telescopic hole extending along the axial direction of the vertical supporting section; one vertical supporting section is inserted into the telescopic hole of the other vertical supporting section; the clamping holes are variable in diameter, and the diameter difference of the two ends of each clamping hole is equal to the diameter difference of the adjacent vertical supporting sections.

4. The adjustable contact type displacement meter bracket device for the foundation pit model test according to any one of claims 1 to 3, wherein scale marks are engraved on the surface of the vertical supporting section.

5. The adjustable contact type displacement meter bracket device for the foundation pit model test is characterized in that the base comprises a support and a bottom plate; the support is connected with the bottom plate through a second bolt; the bottom plate is welded with the vertical supporting device.

6. The adjustable contact type displacement meter bracket device for the foundation pit model test is characterized in that the support is provided with four first threaded holes which are uniformly distributed around the central line of the support; four second threaded holes which correspond to the first threaded holes one by one are formed in the bottom plate; and the second bolt sequentially extends into the second threaded hole and the first threaded hole and then is connected with the support and the bottom plate.

7. The adjustable contact type displacement meter bracket device for the foundation pit model test according to claim 5, wherein the base is provided with a through hole which penetrates through the base along an axial direction perpendicular to the vertical supporting device; a cross rod is inserted into the through hole; the two ends of the cross rod respectively extend out of the base.

8. The adjustable contact type displacement meter bracket device for the foundation pit model test is characterized in that the number of the vertical supporting devices is four; four vertical supporting devices are uniformly arranged around the central line of the base.

9. The adjustable contact type displacement meter bracket device for the foundation pit model test as claimed in claim 1, wherein the displacement meter mounting base comprises at least two top plates; the two top plates are detachably connected.

10. The adjustable contact type displacement meter bracket device for the foundation pit model test is characterized in that an installation groove penetrating through the top plate along the axial direction of the vertical supporting device is formed in the edge of the top plate; and the third bolt sequentially penetrates through the mounting grooves of the two adjacent top plates and then is connected with the two adjacent top plates.

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