CN220794192U - Adjustable thimble displacement meter fixed bolster - Google Patents
Adjustable thimble displacement meter fixed bolster Download PDFInfo
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- CN220794192U CN220794192U CN202322559808.0U CN202322559808U CN220794192U CN 220794192 U CN220794192 U CN 220794192U CN 202322559808 U CN202322559808 U CN 202322559808U CN 220794192 U CN220794192 U CN 220794192U
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- displacement meter
- sliding block
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- horizontal
- steel bar
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 129
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an adjustable thimble displacement meter fixing support which comprises a displacement meter sliding rail frame, wherein the displacement meter sliding rail frame is an L-shaped steel frame, the top part of the displacement meter sliding rail frame extends out of a horizontal flat plate, the other part of the displacement meter sliding rail frame is a vertical plate, the middle part of the vertical plate is connected with a displacement meter fixing block, the top part of the vertical plate is provided with a steel bar fixing frame, the lower part of the steel bar fixing frame is provided with a screw rod knob, a vertical sliding block and a horizontal sliding block are arranged in the steel bar fixing support, the inclined surfaces of the two sliding blocks are contacted, two limbs of a groove of the vertical sliding block are inserted into the steel bar fixing frame, a horizontal sliding block mounting hole is contacted with the screw rod knob, a pointer top plate is arranged at the bottom of a displacement meter pointer, and a T-shaped boss at the lower part of the displacement meter pointer top plate is connected with a flat buckle. The utility model can occupy a small space to clamp reinforcing steel bars with different sizes, and can vertically adjust and fix the displacement meter.
Description
Technical Field
The utility model belongs to the technical field of civil engineering loading test devices, and particularly relates to an adjustable thimble displacement meter fixing bracket.
Background
In the civil engineering test loading process, a displacement meter is required to be used for measuring the displacement change value of the deformation area of the test piece, so that the displacement change of the test piece in the loading process is monitored.
In the traditional measuring method (doi: 10.6052/j.issn.1000-4750.2023.01.0061), a glass sheet is stuck on the surface of a test piece, a displacement meter thimble is arranged on the glass sheet, and along with the pushing of the loading process, the surface of the test piece is deformed, cracked, a protective layer is separated, and the like, the glass sheet is inevitably separated or damaged, and the data of the displacement meter is greatly changed, so that the data monitoring is inaccurate or lost. In addition, in civil engineering experiments, it is generally necessary to fix a displacement meter and a top plate to a steel bar extending from two points of a test piece, respectively, and when the distance between the two points exceeds the measuring range of the displacement meter, the displacement meter is inconvenient to fix. If the relative displacement of two points to the ground is measured through two different displacement points, and then the absolute displacement is obtained through calculation, the displacement error is increased.
Therefore, there is a need for a displacement meter fixing device that solves the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the adjustable thimble displacement meter fixing bracket which can occupy a small space to clamp reinforcing steel bars with different sizes and can vertically adjust and fix the displacement meter.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an adjustable thimble displacement meter fixed bolster, includes displacement meter slide rail frame, displacement meter slide rail frame is L type steelframe, and the level is stretched out at the top dull and stereotyped, and another part is vertical board, vertical board middle part and displacement meter fixed block are connected, and vertical board top sets up the reinforcing bar mount, and the lead screw knob is installed to reinforcing bar mount lower part, has laid perpendicular slider, horizontal slider inside the reinforcing bar fixed bolster, and two slider inclined planes contact, and perpendicular slider recess both limbs insert the reinforcing bar mount, and horizontal slider mounting hole and lead screw knob contact set up the pointer roof in displacement meter pointer bottom, and displacement meter pointer roof lower part T type boss and peaceful buckle are connected.
The screw rod knob is arranged at the lower part of the steel bar fixing frame. The screw rod knob rotates, and the top end supports the horizontal slide block mounting hole, so that the horizontal slide block can horizontally move, and then the vertical slide block is driven to vertically move.
In the experimental process, when a plurality of vertical points of a test piece are required to be measured, a plurality of displacement meters are required to be vertically arranged, and the horizontal flat plate is used as a pointer top plate of the upper displacement meter; the middle part of the vertical plate of L-shaped steel frame is provided with a vertical groove, and the vertical groove and the displacement meter fixing block are matched for use, so that the displacement meter can be adjusted in the vertical direction.
The middle part of the displacement meter sliding rail frame is connected with the displacement meter fixing block through a groove.
The displacement meter fixed block comprises two blocks, one side of the bottom of the two blocks is provided with threaded holes, the two blocks are connected by a screw rod and used for installing displacement meters with different width sizes, a counter bore is arranged in the middle of the bottom of one main displacement meter fixed block, the two main displacement meter fixed blocks are connected by matching screws with grooves of a displacement meter sliding rail frame, and the displacement meter fixed block can rotate by 360 degrees to meet the adjustment requirement of the displacement meter.
The top of the steel bar fixing frame is open, the front face of the steel bar fixing frame is provided with an arched groove which is matched with the groove at the top of the vertical sliding block to form a chuck, and the groove surfaces of the two grooves are all non-smooth planes.
The bottom of the steel bar fixing frame is provided with a horizontal beam, the horizontal beam is provided with a threaded hole, the threaded hole is matched with the screw rod knob, and the screw rod knob is moved in the horizontal direction by rotating the knob; two threaded holes are respectively formed in the two side faces of the middle of the steel bar fixing frame and are connected with the displacement meter sliding rail frame in a matched mode, and after the vertical sliding block is installed, the threaded holes are formed in the two sides of the vertical sliding block, and sliding of the vertical sliding block is not affected.
The horizontal sliding block and the vertical sliding block are arranged in the steel bar fixing frame, the two inclined planes are contacted, and the inclined planes of the vertical sliding block and the horizontal sliding block are inclined at an angle larger than 45 degrees. The horizontal sliding block can effectively push the vertical sliding block to move vertically, the thickness of the horizontal sliding block is larger than the radius of the groove of the vertical sliding block, and the forward sliding distance of the horizontal sliding block is not larger than the radius of the groove of the vertical sliding block, so that the effective horizontal displacement range of the horizontal sliding block can cover the vertical displacement range of the vertical sliding block; the horizontal sliding block is contacted with the bottom surface of the steel bar fixing frame, the front surface of the horizontal sliding block is provided with a mounting hole and a screw rod knob to be contacted, the screw rod knob is guaranteed to rotate, the top end of the screw rod knob supports the mounting hole of the horizontal sliding block, the horizontal sliding block can horizontally move, and then the vertical sliding block is driven to vertically move.
And the top of the vertical sliding block is provided with a U-shaped slot, and two limbs extend into the top of the steel bar fixing frame. The screw rod knob generates horizontal displacement through rotation, and the inclined plane converts horizontal force into vertical force of the vertical sliding block to drive the vertical sliding block to move vertically.
The pointer roof is high-strength steel plate, is equipped with T type boss in the middle part of the bottom plate downside, and the boss both sides are equipped with the screw hole, make displacement meter pointer roof and reinforcing bar zonulae occludens, displacement meter pointer roof is dull and stereotyped, connects through the flat buckle both sides mounting hole of hexagon socket head cap screw cooperation.
The utility model has the beneficial effects that:
(1) The displacement meter sliding rail frame is provided with a horizontal flat plate, a plurality of displacement meters are required to be vertically arranged when a plurality of vertical point positions of a test piece are required to be measured in the experimental process, and the horizontal flat plate can be used as a pointer top plate of the upper displacement meter. The lowest displacement meter fixing device and the pointer top plate are installed in a matched mode. The displacement meter fixing device can be fixed at any relative vertical position on the test piece, accurately meets the measurement requirements of various test pieces, and breaks through the limitations of the arrangement position, glass sheet falling and the like of the traditional displacement meter.
(2) The displacement meter sliding rail frame groove is arranged for adjusting the vertical position of the displacement meter fixing block, so that the vertical position of the displacement meter can be effectively adjusted to realize effective measurement of two-point displacement at different distances, and different test requirements can be met. Be equipped with displacement meter fixed block cooperation and use, can install the displacement meter of different width sizes, be applicable to multiple installation condition.
(3) The top of the steel bar fixing frame is open, an arched groove is formed in the front face of the steel bar fixing frame and matched with the groove at the top of the vertical sliding block to form a chuck, the groove faces of the two grooves are uneven planes, friction can be increased, and the steel bar is forcefully clamped to improve the stability of the whole device. The bottom is provided with a horizontal beam, the beam is provided with a threaded hole which is matched with the screw rod knob, and the screw rod knob is moved in the horizontal direction by rotating the knob. Two threaded holes are respectively formed on two side surfaces of the middle part of the steel bar fixing frame and are connected with the displacement meter sliding rail frame in a matched mode. The knob is arranged on the front surface of the reinforcing steel bar fixing frame, so that the use is convenient, and the arrangement is more flexible. The steel bars with different sizes can be clamped in the test, so that powerful support is provided for the measurement of the absolute displacement of two points of the test piece, and the test piece is prevented from falling off or data loss torsion of the displacement meter due to falling off of the concrete protection layer and the like in the loading process. The utility model completely fixes the displacement meter bracket and the two fulcrums, can ensure that the displacement meter bracket is not contacted with the surface of the test piece, can flexibly fix the test piece fixed by the displacement meter bracket at any position where the absolute displacement of the two points is required to be measured, and can solve the problems that the displacement meter cannot be fixed in the test piece loading process and the data of the original measuring method is unstable.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
FIG. 3 is a schematic view of a slider structure according to the present utility model.
FIG. 4 is a schematic diagram of the structure of the displacement meter fixing block of the utility model.
Fig. 5 is a schematic structural view of the present utility model.
In the figure: 1. a displacement meter sliding rail frame; 2. a reinforcing steel bar fixing frame; 3. a screw rod knob; 4. a displacement meter fixed block; 5. a pointer top plate; 6. a flat buckle; 7. reinforcing steel bars; 8. a vertical slider; 9. a horizontal sliding block.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model discloses an adjustable thimble displacement meter fixing bracket, which can be used for civil engineering experiments and comprises a displacement meter sliding rail frame 1, a displacement meter fixing block 4, a steel bar fixing frame 2, a screw rod knob 3, a horizontal sliding block 9, a vertical sliding block 8, a displacement meter pointer top plate 5 and a flat buckle 6, wherein the middle part of the displacement meter sliding rail frame 1 is connected with the displacement meter fixing block 4 through a groove, and the top is connected with the steel bar fixing frame 2 through bolts. The screw rod knob 3 is arranged at the lower part of the steel bar fixing frame 2, the vertical sliding block 8 and the horizontal sliding block 9 are arranged in the screw rod knob, the inclined surfaces of the two sliding blocks are contacted, two limbs of the groove of the vertical sliding block 8 are inserted into the steel bar fixing frame 2, and the mounting hole of the horizontal sliding block 9 is contacted with the screw rod knob 3. The T-shaped boss at the lower part of the pointer top plate 5 of the displacement meter is connected with the flat buckle 6 through bolts.
The displacement meter sliding rail frame 1 is an L-shaped steel frame, the top of the displacement meter sliding rail frame extends out of a horizontal flat plate, a plurality of displacement meters are required to be vertically arranged when a plurality of vertical points of a test piece are required to be measured in the experimental process, and the horizontal flat plate can be used as a pointer top plate of the upper displacement meter. The middle part is provided with a vertical groove and a displacement meter fixing block 4 which are matched for use, and the displacement meter can be adjusted in the vertical direction.
The top of the steel bar fixing frame 2 is opened, the front face is provided with an arched groove which is matched with the groove at the top of the vertical sliding block 8 to form a chuck, the groove surfaces of the two grooves are non-smooth planes, friction can be increased, and the steel bars are forcefully clamped to improve the stability of the whole device. The bottom is provided with a horizontal beam, the beam is provided with a threaded hole which is matched with the screw rod knob 3, and the screw rod knob 3 moves in the horizontal direction by rotating the knob. Two threaded holes are respectively formed on two side surfaces of the middle part of the steel bar fixing frame and are connected with the displacement meter sliding rail frame 1 in a matched mode. After the vertical sliding block 8 is installed, the threaded holes are arranged on two sides of the vertical sliding block 8, and the sliding of the vertical sliding block 8 is not affected.
The horizontal sliding block 9 and the vertical sliding block 8 are arranged in the steel bar fixing frame 2, the two inclined surfaces are contacted, the inclined surface inclination angles of the vertical sliding block 8 and the horizontal sliding block 9 are larger than 45 degrees, the thickness of the horizontal sliding block 9 is larger than the radius of the groove of the vertical sliding block 8, and the forward sliding distance of the horizontal sliding block 9 is not larger than the radius of the groove of the vertical sliding block 8. The horizontal sliding block 9 is contacted with the bottom surface of the steel bar fixing frame 2, and the front surface of the horizontal sliding block 9 is provided with a mounting hole which is contacted with the screw rod knob 3. The top of the vertical sliding block 8 is provided with a U-shaped slot, and two limbs extend into the top of the displacement meter fixing frame. The screw rod knob 3 generates horizontal displacement through rotation, and the inclined plane converts the horizontal force into vertical force of the vertical sliding block 8 to drive the vertical sliding block 8 to move vertically. In proper position, the grooves of the vertical sliding blocks 8 are matched with the grooves of the steel bar fixing frame 2, so that steel bars with different diameters can be clamped. The two sliding blocks are in clearance fit sliding with the steel bar fixing frame 2, and the front surface of the horizontal sliding block 9 is provided with a mounting hole and is contacted with the screw rod knob 3 so as to guide the sliding blocks to slide, so that the force transmission of the structure is more stable.
The displacement meter fixed block 4 comprises two blocks, one side of the bottom of each block is provided with a threaded hole, and the two blocks are connected by a screw rod and can be provided with displacement meters with different width sizes. The counter bore is arranged in the middle of the bottom of the main displacement meter fixing block, the counter bore is connected with the groove of the displacement meter sliding rail frame 1 in a matched mode, the displacement meter fixing block 4 can rotate by 360 degrees, and the adjustment requirement of the displacement meter is met.
The displacement meter pointer roof 5 is high-strength steel plate, and bottom plate downside middle part is equipped with T type boss, and the boss both sides are equipped with the screw hole, make displacement meter pointer roof 5 and reinforcing bar zonulae occludens to guarantee that displacement meter pointer roof 5 is dull and stereotyped. Through 2 hexagon socket head cap screws cooperation flat buckle 6 both sides mounting hole connection, the bolt that makes to be located the downside is screwed up more conveniently.
The working principle of the utility model is as follows:
the utility model discloses the during operation has laid horizontal slider 9 and perpendicular slider 8 in the reinforcing bar mount 2, and screw rod knob 3 is installed to reinforcing bar mount 2 lower part, and screw rod knob 3 takes place horizontal displacement through the rotation, and the inclined plane changes horizontal force into perpendicular slider 8's perpendicular force, order about perpendicular slider 8 vertical movement. In proper position, the grooves of the vertical sliding blocks 8 are matched with the grooves of the steel bar fixing frame 2, so that steel bars with different diameters can be clamped. The displacement meter fixed block 4 comprises two, and two bottom one sides all are equipped with the screw hole, and two are connected by the lead screw, can install the displacement meter of different width dimensions, can 360 rotatory, can reciprocate along L type displacement meter slide rail frame 1 simultaneously, satisfy displacement meter adjustment demand.
Claims (8)
1. The utility model provides an adjustable thimble displacement meter fixed bolster, its characterized in that, including displacement meter slide rail frame (1), displacement meter slide rail frame (1) is L type steelframe, and the level is stretched out at the top dull and stereotyped, and another part is vertical board, vertical board middle part and displacement meter fixed block (4) are connected, and vertical board top sets up reinforcing bar mount (2), and screw rod knob (3) are installed to reinforcing bar mount (2) lower part, have laid perpendicular slider (8), horizontal slider (9) inside reinforcing bar mount (2), and two slider inclined planes contact, and perpendicular slider (8) recess both limbs insert reinforcing bar mount (2), and horizontal slider (9) mounting hole and screw rod knob (3) contact set up pointer roof (5) in displacement meter pointer bottom, and displacement meter pointer roof (5) lower part T type boss and flat buckle (6) are connected.
2. The adjustable thimble displacement meter mounting bracket of claim 1, wherein said horizontal plate acts as a top plate for the upper displacement meter pointer; the middle part of the vertical plate of the L-shaped steel frame is provided with a vertical groove, the vertical groove is matched with a displacement meter fixing block (4) for use, and the displacement meter can be adjusted in the vertical direction.
3. The adjustable thimble displacement meter fixing bracket according to claim 1, wherein the displacement meter fixing block (4) is composed of two blocks, one side of the bottom of each block is provided with a threaded hole, the two blocks are connected by a screw rod and used for installing displacement meters with different width sizes, a counter bore is arranged in the middle of the bottom of one main displacement meter fixing block, the counter bore is connected with a groove of a displacement meter sliding rail frame (1) in a matched mode by a screw, and the displacement meter fixing block (4) can rotate by 360 degrees.
4. The adjustable thimble displacement meter fixing bracket according to claim 1, wherein the top of the steel bar fixing frame (2) is open, an arched groove is formed on the front surface of the steel bar fixing frame and matched with the groove on the top of the vertical sliding block (8) to form a chuck, and the groove surfaces of the two grooves are all non-smooth planes.
5. The adjustable thimble displacement meter fixing bracket according to claim 1, wherein the bottom of the steel bar fixing frame (2) is provided with a horizontal beam, the horizontal beam is provided with a threaded hole, and the threaded hole is matched with the screw rod knob (3); two threaded holes are respectively formed on two side surfaces of the middle part of the steel bar fixing frame (2) and are connected with the displacement meter sliding rail frame (1) in a matched mode.
6. The adjustable thimble displacement meter fixing bracket according to claim 1, wherein the horizontal sliding block (9) and the vertical sliding block (8) are arranged in the steel bar fixing frame (2), the two inclined planes are contacted, and the inclined planes of the vertical sliding block (8) and the horizontal sliding block (9) are inclined at an angle larger than 45 degrees; the thickness of the horizontal sliding block (9) is larger than the radius of the groove of the vertical sliding block (8), and the forward sliding distance of the horizontal sliding block (9) is not larger than the radius of the groove of the vertical sliding block (8); the horizontal sliding block (9) is contacted with the bottom surface of the steel bar fixing frame (2), the front surface of the horizontal sliding block (9) is provided with a mounting hole which is contacted with the screw rod knob (3), and the top end of the horizontal sliding block is used for supporting the mounting hole of the horizontal sliding block (9).
7. The adjustable thimble displacement meter fixing bracket according to claim 6, wherein the vertical sliding block (8) is provided with a U-shaped slot at the top, and two limbs extend into the top of the steel bar fixing frame (2).
8. The adjustable thimble displacement meter fixing bracket according to claim 1, wherein a T-shaped boss is arranged in the middle of the lower side of the bottom plate of the pointer top plate (5), threaded holes are formed in two sides of the boss, so that the pointer top plate (5) of the displacement meter is tightly connected with the steel bars, and the pointer top plate (5) of the displacement meter is flat and is connected with mounting holes in two sides of a flat buckle (6) through socket head cap screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559808.0U CN220794192U (en) | 2023-09-20 | 2023-09-20 | Adjustable thimble displacement meter fixed bolster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559808.0U CN220794192U (en) | 2023-09-20 | 2023-09-20 | Adjustable thimble displacement meter fixed bolster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220794192U true CN220794192U (en) | 2024-04-16 |
Family
ID=90661899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322559808.0U Active CN220794192U (en) | 2023-09-20 | 2023-09-20 | Adjustable thimble displacement meter fixed bolster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220794192U (en) |
-
2023
- 2023-09-20 CN CN202322559808.0U patent/CN220794192U/en active Active
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