CN214666629U - Wireless displacement measurement device suitable for steel shotcrete - Google Patents
Wireless displacement measurement device suitable for steel shotcrete Download PDFInfo
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- CN214666629U CN214666629U CN202121121560.4U CN202121121560U CN214666629U CN 214666629 U CN214666629 U CN 214666629U CN 202121121560 U CN202121121560 U CN 202121121560U CN 214666629 U CN214666629 U CN 214666629U
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Abstract
The utility model belongs to the technical field of the steel shotcrete technique and specifically relates to a wireless displacement measurement device suitable for steel shotcrete, including observation board and laser instrument, the laser instrument all is fixed with the bracing piece with observation board bottom, and the bracing piece bottom is installed and is used for the fixture who fixes mutually with the steel shotcrete, and observation board lateral wall has seted up the bar through-hole, and bar through-hole inside is inserted and is equipped with the fly leaf, and the bilateral symmetry of fly leaf is fixed with the handle, and the upper and lower both ends of handle are provided with the stop gear who is used for spacing the fly leaf; the utility model discloses, be convenient for operate at night through laser survey to when the steel shotcrete skew is serious, can be through pulling out the fly leaf, the area of increase observation board is favorable to catching laser point.
Description
Technical Field
The utility model relates to a steel shotcrete field especially relates to a wireless displacement measurement device suitable for steel shotcrete.
Background
Steel bracing refers to the use of steel pipes, H-sections, angles, etc. to enhance the stability of the engineered structure, typically being inclined connecting members, most commonly herringbone and cross shapes. The steel support is widely applied to the aspects of subway and foundation pit support.
The utility model discloses a part of relevant steel shotcrete displacement measurement's is disclosed in the prior art, chinese patent with application number CN202022527307.0, a wireless displacement measurement device suitable for steel shotcrete is disclosed, including the suspension subassembly, the one end of suspension subassembly is provided with servo end frame subassembly, the suspension subassembly is including measuring the suspension, measure the one end surface symmetry of suspension and seted up two spacing through-holes, the other end fixed mounting who measures the suspension has the fixed end frame, the bottom side fixed mounting who measures the suspension has magnetostrictive displacement sensor, the location front slot has been seted up on the surface of fixed end frame, the side fixed mounting of location front slot has telescopic cylinder, telescopic cylinder's telescopic end fixed mounting has the locating piece.
The existing steel support displacement measuring device is mostly measured through a total station or other measuring instruments, the operation difficulty is high, and the measurement at night is inconvenient, so that the wireless displacement measuring device suitable for the steel support is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the wireless displacement measurement device who is applicable to the steel shotcrete who proposes.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a wireless displacement measuring device suitable for a steel support comprises an observation plate and a laser instrument, wherein supporting rods are fixed at the bottoms of the laser instrument and the observation plate, and a clamping mechanism used for being fixed with the steel support is installed at the bottom of each supporting rod;
the observation plate is characterized in that a strip-shaped through hole is formed in the side wall of the observation plate, a movable plate is inserted into the strip-shaped through hole, handles are symmetrically fixed to two sides of the movable plate, and limiting mechanisms used for limiting the movable plate are arranged at the upper end and the lower end of each handle.
Preferably, the limiting mechanism comprises a groove and an elastic plate, the elastic plate is fixed at the upper end and the lower end of the handle, the groove is formed in the upper end and the lower end of the strip-shaped through hole, and when the movable plate is pulled out, the end portion of the elastic plate is embedded in the groove.
Preferably, fixture includes backup pad and elasticity strip, two spouts have been seted up to the symmetry on the backup pad top surface, the inside symmetry of spout is inserted and is equipped with two rectangular blocks, two the rectangular block looks downside all is fixed with the spring, the end of spring all is fixed on the spout inner wall, the upper and lower both ends of rectangular block all are fixed with the limiting plate, elasticity strip top surface both ends symmetry is rotated and is connected with two first screws, the top threaded connection of first screw is on the limiting plate, and the spout is run through at first screw top and extended away, elasticity strip one side is provided with and is used for making the pushing mechanism that two elasticity strips are close to each other.
Preferably, the pushing mechanism comprises two second screws, and the two second screws are symmetrically and threadedly connected to the side walls of the two elastic strips.
Preferably, the surfaces of the movable plate and the observation plate are provided with scale strips.
Compared with the prior art, the utility model discloses following beneficial effect has:
clamping an observation plate at one end of a steel support through a clamping mechanism, clamping a laser instrument at the other end of the steel support, then switching on a power supply of the laser instrument, irradiating laser on the observation plate, wherein a laser point is at the center of the observation plate in a normal state, and judging the offset of the steel support by comparing the position relation of the laser point and the center of the observation plate, and the laser measurement is convenient for operation at night; when the steel shotcrete is serious, can be through pulling out the fly leaf, the area of increase observation board is favorable to catching the laser point.
Two, be close to the steel shotcrete with two elasticity strips to promote the bracing piece, under the elastic force effect of spring, make two elasticity strip centre gripping in the steel shotcrete both sides, easy operation, it is convenient to install, and through rotating first screw rod, can adjust first screw rod and reciprocate in the limiting plate, thereby make the elasticity strip reciprocate, the pipe support of the different thickness of centre gripping of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the observation plate of the present invention;
fig. 3 is a schematic structural diagram of a in fig. 2 according to the present invention.
In the figure: the device comprises an observation plate 1, a scale bar 2, a support rod 3, a laser instrument 4, a movable plate 5, a handle 6, an elastic plate 7, a strip-shaped through hole 8, a groove 9, a support plate 10, a sliding groove 11, a spring 12, a rectangular block 13, a limiting plate 14, a first screw rod 15, an elastic bar 16 and a second screw rod 17.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-3, the wireless displacement measuring device suitable for steel support comprises an observation plate 1 and a laser instrument 4, wherein support rods 3 are fixed at the bottoms of the laser instrument 4 and the observation plate 1, and clamping mechanisms for fixing the support rods 3 are installed at the bottoms of the support rods 3; a strip-shaped through hole 8 is formed in the side wall of the observation plate 1, a movable plate 5 is inserted into the strip-shaped through hole 8, handles 6 are symmetrically fixed to two sides of the movable plate 5, and limiting mechanisms for limiting the movable plate 5 are arranged at the upper end and the lower end of each handle 6; during operation, the observation plate 1 is clamped at one end of the steel support through the clamping mechanism, the laser instrument 4 is clamped at the other end of the steel support, then the power supply of the laser instrument 4 is switched on, laser irradiates on the observation plate 1, in a normal state, a laser point is in the center position of the observation plate 1, the offset of the steel support is judged by observing the position of the laser point on the observation plate 1 and comparing the position relation of the laser point and the center of the observation plate 1, and laser measurement is convenient for night operation; when the steel support deflects seriously, the movable plate 5 can be pulled out, the area of the observation plate 1 is increased, and the laser point can be captured favorably.
The limiting mechanism comprises a groove 9 and an elastic plate 7, the elastic plate 7 is fixed at the upper end and the lower end of the handle 6, the groove 9 is formed in the upper end and the lower end of the strip-shaped through hole 8, and when the movable plate 5 is pulled out, the end part of the elastic plate 7 is embedded in the groove 9; when pulling out fly leaf 5, keep away from the elastic plate 7 of handle 6 one end and take place deformation to inlay and establish and get into that groove 9 is inside to produce frictional contact with the recess 9 inner wall, and can make fly leaf 5 have certain resistance when removing in observation board 1, convenient control is adjusted, when not carrying out the pull, both sides can obtain the hindrance of elastic plate 7, prevent that fly leaf 5 from breaking away from observation board 1, support the one end of fly leaf 5 through elastic plate 7, be favorable to pulling out fly leaf 5, increase observation board 1's area.
The clamping mechanism comprises a supporting plate 10 and elastic strips 16, wherein two sliding grooves 11 are symmetrically formed in the top surface of the supporting plate 10, two rectangular blocks 13 are symmetrically inserted into the sliding grooves 11, springs 12 are fixed on the opposite sides of the two rectangular blocks 13, the tail ends of the springs 12 are fixed on the inner walls of the sliding grooves 11, limiting plates 14 are fixed at the upper end and the lower end of each rectangular block 13, two first screw rods 15 are symmetrically and rotatably connected to the two ends of the top surface of each elastic strip 16, the top parts of the first screw rods 15 are in threaded connection with the limiting plates 14, the top parts of the first screw rods 15 penetrate through the sliding grooves 11 and extend out, and a pushing mechanism used for enabling the two elastic strips 16 to approach each other is arranged on one side of each elastic strip 16; during operation is close to the steel shotcrete with two elasticity strips 16 to promote bracing piece 3, under the spring action of spring 12, make two elasticity strip 16 centre gripping in the steel shotcrete both sides, easy operation, it is convenient to install, and through rotating first screw rod 15, can adjust first screw rod 15 and reciprocate in limiting plate 14, thereby make elasticity strip 16 reciprocate, the pipe of the different thickness of centre gripping of being convenient for supports.
The pushing mechanism comprises two second screw rods 17, and the two second screw rods 17 are symmetrically in threaded connection with the side walls of the two elastic strips 16; when the clamping mechanism works, when the elastic strip 16 is in a clamping state, the second screw 17 is rotated, and the steel support is extruded through the second screw 17, so that the stability of the clamping mechanism is further improved; and when the elastic strips 16 are not in the clamping state, the two second screw rods 17 are made to approach each other by rotating the second screw rods 17 and the two elastic strips 16 are pushed away from each other, so that the two elastic strips 16 are positioned at both ends of the sliding groove 11, and at this time, the two elastic strips 16 are directly placed on the steel supporting surface, and the supporting rod 3 can be directly supported by the two elastic strips 16.
The surfaces of the movable plate 5 and the observation plate 1 are provided with scale strips 2; by arranging the scale bar 2, the position of the laser point is convenient to measure.
The utility model discloses the theory of operation:
during operation, the observation plate 1 is clamped at one end of the steel support through the clamping mechanism, the laser instrument 4 is clamped at the other end of the steel support, then the power supply of the laser instrument 4 is switched on, laser irradiates on the observation plate 1, in a normal state, a laser point is in the center position of the observation plate 1, the offset of the steel support is judged by observing the position of the laser point on the observation plate 1 and comparing the position relation of the laser point and the center of the observation plate 1, and laser measurement is convenient for night operation; when the steel support deflects seriously, the movable plate 5 can be pulled out, the area of the observation plate 1 is increased, and the laser point can be captured favorably.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.
Claims (5)
1. The utility model provides a wireless displacement measurement device suitable for steel shotcrete, includes observation board (1) and laser instrument (4), its characterized in that: the bottom parts of the laser instrument (4) and the observation plate (1) are both fixed with a support rod (3), and the bottom part of the support rod (3) is provided with a clamping mechanism for fixing with a steel support;
the observation plate is characterized in that a strip-shaped through hole (8) is formed in the side wall of the observation plate (1), a movable plate (5) is inserted into the strip-shaped through hole (8), handles (6) are symmetrically fixed to two sides of the movable plate (5), and limiting mechanisms used for limiting the movable plate (5) are arranged at the upper end and the lower end of each handle (6).
2. The wireless displacement measurement device suitable for steel support according to claim 1, wherein: stop gear includes recess (9) and elastic plate (7), upper and lower both ends at handle (6) are fixed in elastic plate (7), upper and lower both ends in bar through-hole (8) are seted up in recess (9), when pulling out fly leaf (5), the tip of elastic plate (7) inlays and locates inside recess (9).
3. The wireless displacement measurement device suitable for steel support according to claim 1, wherein: fixture includes backup pad (10) and elastic strip (16), two spout (11) have been seted up to the symmetry on backup pad (10) top surface, spout (11) inside symmetry is inserted and is equipped with two rectangular blocks (13), two rectangular block (13) looks dorsad all is fixed with spring (12), the end of spring (12) is all fixed on spout (11) inner wall, the upper and lower both ends of rectangular block (13) all are fixed with limiting plate (14), elastic strip (16) top surface both ends symmetry is rotated and is connected with two first screw rods (15), the top threaded connection of first screw rod (15) is on limiting plate (14), and spout (11) are run through at first screw rod (15) top and extend away, elastic strip (16) one side is provided with the pushing mechanism who is used for making two elastic strip (16) be close to each other.
4. A wireless displacement measuring device adapted for steel support according to claim 3, wherein: the pushing mechanism comprises two second screw rods (17), and the two second screw rods (17) are symmetrically in threaded connection with the side walls of the two elastic strips (16).
5. The wireless displacement measurement device suitable for steel support according to claim 1, wherein: the surfaces of the movable plate (5) and the observation plate (1) are provided with scale strips (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121560.4U CN214666629U (en) | 2021-05-25 | 2021-05-25 | Wireless displacement measurement device suitable for steel shotcrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121560.4U CN214666629U (en) | 2021-05-25 | 2021-05-25 | Wireless displacement measurement device suitable for steel shotcrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214666629U true CN214666629U (en) | 2021-11-09 |
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ID=78485189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121121560.4U Active CN214666629U (en) | 2021-05-25 | 2021-05-25 | Wireless displacement measurement device suitable for steel shotcrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214666629U (en) |
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2021
- 2021-05-25 CN CN202121121560.4U patent/CN214666629U/en active Active
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