CN217006829U - Concrete resiliometer calibrating device - Google Patents
Concrete resiliometer calibrating device Download PDFInfo
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- CN217006829U CN217006829U CN202220376781.4U CN202220376781U CN217006829U CN 217006829 U CN217006829 U CN 217006829U CN 202220376781 U CN202220376781 U CN 202220376781U CN 217006829 U CN217006829 U CN 217006829U
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- resiliometer
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Abstract
The utility model belongs to the technical field of resiliometers, and provides a concrete resiliometer calibrating device which comprises a bottom plate, wherein a resiliometer fixing assembly, a striking rod clamping assembly and a striking rod tension measuring assembly are arranged on the bottom plate, the resiliometer fixing assembly is fixedly connected with the bottom plate, the striking rod clamping assembly is in sliding connection with the bottom plate, the striking rod tension measuring assembly is fixedly arranged on the resiliometer fixing assembly, the striking rod tension measuring assembly is detachably connected with the striking rod clamping assembly, and a scale line for measuring the moving distance of the striking rod clamping assembly is arranged on the bottom plate. The concrete resiliometer calibrating device is simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to the technical field of resiliometers, in particular to a concrete resiliometer calibrating device.
Background
The concrete resiliometer uses a spring to drive the elastic hammer and utilizes the restoring force of instantaneous elastic deformation produced by elastic striking of the elastic striking rod on the concrete surface to make the elastic hammer drive the pointer to rebound and indicate the rebound distance. The compression strength of concrete is estimated by using a rebound value (a ratio of a rebound distance to a distance between a hammer and a striking rod before impact in percentage) as one of indexes related to the compression strength of concrete.
In order to improve the measurement accuracy of the concrete rebound apparatus, the rebound apparatus needs to be calibrated regularly. The existing resiliometer calibrating device is complex in structure, complex in calibrating process and inconvenient to operate, and therefore the resiliometer calibrating device needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the calibration device for the concrete rebound apparatus provided by the utility model is simple in structure and convenient to operate.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a concrete resiliometer calibrating device, comprising a base plate, be equipped with the fixed subassembly of resiliometer on the bottom plate, striking rod centre gripping subassembly and striking rod tension measuring subassembly, the fixed subassembly of resiliometer and bottom plate fixed connection, striking rod centre gripping subassembly and bottom plate sliding connection, striking rod tension measuring subassembly fixed mounting is on the fixed subassembly of resiliometer, striking rod tension measuring subassembly can be dismantled with striking rod centre gripping subassembly and be connected, be provided with the scale mark that is used for measuring striking rod centre gripping subassembly displacement on the bottom plate.
Further, the fixed subassembly of resiliometer includes first fixed plate and second fixed plate, first fixed plate and second fixed plate all with bottom plate fixed connection, first fixed plate is located the one end of bottom plate, the bottom plate is located and slides between first fixed plate and the second fixed plate and is provided with the movable plate, threaded connection has first adjusting screw on the first fixed plate, first adjusting screw's tip and movable plate rotate to be connected.
Furthermore, a groove matched with the end part of the resiliometer is formed in the moving plate, and a placing groove matched with the outer diameter of the elastic striking rod is formed in the second fixing plate.
Further, the striking rod clamping component comprises a sliding block, the sliding block is connected with the bottom plate in a sliding mode, a limiting plate is fixedly mounted at one end of the sliding block, two clamping blocks are symmetrically arranged on the sliding block, the two clamping blocks are connected with the sliding block in a sliding mode, a bidirectional screw rod is arranged on the limiting plate in a rotating mode, and two thread sections of the bidirectional screw rod are connected with the two clamping blocks in a threaded mode respectively.
Furthermore, a clamping groove is formed in the clamping block, and a rubber pad is fixedly mounted on the side wall of the clamping groove.
Furthermore, a marking plate is fixedly arranged on the clamping block.
Furthermore, a second adjusting screw is connected to the first fixing plate in a threaded manner, and the end of the second adjusting screw penetrates through the moving plate and the second fixing plate to be rotatably connected with the sliding block.
Furthermore, the elastic striking rod tension measuring assembly is a tension meter which is fixedly installed on the second fixing plate, and the tension meter is detachably connected with the clamping block.
According to the technical scheme, the utility model has the beneficial effects that: fix the resiliometer casing through the fixed subassembly of resiliometer, change the extension distance of impact rod through removing impact rod centre gripping subassembly, detect the pulling force that the impact rod received through impact rod tension measuring subassembly, the extension distance according to the impact rod checks up the inside bullet extension spring that hits of resiliometer with the pulling force value that corresponds, simple structure, the operation of being convenient for.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an isometric view of the present invention.
Reference numerals are as follows:
1-a bottom plate; 2-a resiliometer housing; 3-a tapping rod;
11-a first fixing plate; 12-a first adjusting screw; 13-a second adjusting screw; 14-a second fixing plate; 15-a tension meter; 16-moving the plate; 17-a slide block; 18-a clamping block; 19-graduation mark;
141-placing grooves; 161-grooves; 171-a marking plate; 172-limiting plate; 173-a bidirectional screw; 181-clamping groove; 182-rubber pad.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1-fig. 2, this embodiment provides a concrete resiliometer calibrating device, including bottom plate 1, be equipped with the fixed subassembly of resiliometer on the bottom plate 1, impact pole clamping component and impact pole tension measuring subassembly, the fixed subassembly of resiliometer and 1 fixed connection of bottom plate, impact pole clamping component and 1 sliding connection of bottom plate, impact pole tension measuring subassembly fixed mounting is on the fixed subassembly of resiliometer, impact pole tension measuring subassembly can dismantle with impact pole clamping component and be connected, be provided with the scale mark 19 that is used for measuring impact pole clamping component displacement on the bottom plate 1.
In the in-service use, fix resiliometer casing 2 through resiliometer fixed subassembly, change the extension distance of impact pole 3 through removing impact pole centre gripping subassembly, detect the pulling force that impact pole 3 received through impact pole tension measuring subassembly, the extension distance according to impact pole 3 and the pulling force value that corresponds check-up, simple structure, the operation of being convenient for to the inside bullet of resiliometer hits the extension spring.
In this embodiment, the fixed subassembly of resiliometer includes first fixed plate 11 and second fixed plate 14, and first fixed plate 11 and second fixed plate 14 all are with bottom plate 1 fixed connection, and first fixed plate 11 is located the one end of bottom plate 1, and bottom plate 1 is located and slides between first fixed plate 11 and the second fixed plate 14 and is provided with movable plate 16, and threaded connection has first adjusting screw 12 on first fixed plate 11, and the tip of first adjusting screw 12 rotates with movable plate 16 and is connected.
In actual use, the shell part of the resiliometer is arranged between the moving plate 16 and the second fixing plate 14, the position of the moving plate 16 is adjusted through the first adjusting screw 12, and the distance between the moving plate 16 and the second fixing plate 14 is changed to adapt to resiliometer shells 2 of different sizes, so that the resiliometer shell has the characteristic of strong adaptability.
In this embodiment, the moving plate 16 is provided with a groove 161 adapted to an end of the resiliometer, and the second fixing plate 14 is provided with a placing groove 141 adapted to an outer diameter of the tapping rod 3.
In actual use, in recess 161 was arranged in to the one end of resiliometer casing 2, the other end and the second fixed plate 14 butt of resiliometer casing 2, adjusted the position of movable plate 16 through first adjusting screw 12, made movable plate 16 carry out the butt to the one end of resiliometer casing 2 to reach the effect of fixed resiliometer.
In this embodiment, the tapping rod clamping assembly includes the slider 17, and slider 17 and bottom plate 1 sliding connection, the one end fixed mounting of slider 17 has the limiting plate 172, is equipped with two grip blocks 18 on the slider 17 symmetrically, and two grip blocks 18 all with slider 17 sliding connection, rotate on the limiting plate 172 and be provided with two-way screw rod 173, two screw thread sections of two-way screw rod 173 respectively with two grip blocks 18 threaded connection.
In practical use, the two clamping blocks 18 are driven to approach or move away from each other by rotating the bidirectional screw 173, so that the clamping or releasing effect of the two clamping blocks 18 on the tapping rod 3 is realized. The mutual contact surface between the slide block 17 and the bottom plate 1 is a smooth surface. By changing the position of the slider 17, the extension amount of the tapping rod 3 is changed.
In this embodiment, the clamping block 18 is provided with a clamping groove 181, and a rubber pad 182 is fixedly mounted on a side wall of the clamping groove 181.
In practical use, when the two clamping blocks 18 clamp the tapping rod 3, the tapping rod 3 is placed in the clamping groove 181 and contacts with the rubber pad 182, and the rubber pad 182 is arranged to increase the clamping force between the clamping blocks 18 and the tapping rod 3. The circle center of the clamping groove 181 and the circle center of the groove 161 are located on the same axis, which is beneficial to keeping the resiliometer in a horizontal state.
In this embodiment, a marking plate 171 is fixedly mounted on the clamping block 18, and the marking plate 171 is arranged to facilitate observing the corresponding positions of the clamping block 18 and the scale marks 19, so as to obtain the moving distance of the clamping block 18, and thus the length variation of the tapping rod 3.
In this embodiment, the first fixing plate 11 is screwed with a second adjusting screw 13, and an end of the second adjusting screw 13 passes through the moving plate 16 and the second fixing plate 14 to be rotatably connected with the slider 17.
In actual use, the position of the sliding block 17 is changed by adjusting the second adjusting screw 13, through holes for the second adjusting screw 13 to pass through are formed in the moving plate 16 and the fixed plate, and the inner diameter of each through hole is larger than the outer diameter of the second adjusting screw 13.
In this embodiment, the tapping rod tension measuring component is a tension meter 15, the tension meter 15 is fixedly mounted on the second fixing plate 14, and the tension meter 15 is detachably connected with the clamping block 18.
In actual use, a hook is arranged on the pull rope of the tension meter 15, a hanging ring is arranged on the clamping block 18, and the reading of the tension meter 15 is read to obtain the tension applied to the bouncing rod 3 by hanging the hook on the hanging ring. The mounting position of link satisfies: when the clamping block 18 is moved to the position for clamping the tapping rod 3, the suspension loop corresponds exactly to the tension gauge 15. In order to improve the calibration precision, before the calibration, the distance between the second fixing plate 14 and the clamping block 18 needs to be adjusted, when the extension amount of the tapping rod 3 is zero, the tension value of the tension meter 15 is zero, then the position of the sliding block 17 is changed to change the extension amount of the tapping rod 3, and the tapping tension spring inside the resiliometer is verified according to the extension amount of the tapping rod 3 and the corresponding tension value.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a concrete resiliometer calibrating device which characterized in that: including bottom plate (1), be equipped with the fixed subassembly of resiliometer on bottom plate (1), impact rod centre gripping subassembly and impact rod tension measuring subassembly, resiliometer fixed subassembly and bottom plate (1) fixed connection, impact rod centre gripping subassembly and bottom plate (1) sliding connection, impact rod tension measuring subassembly fixed mounting is on the fixed subassembly of resiliometer, impact rod tension measuring subassembly can dismantle with impact rod centre gripping subassembly and be connected, be provided with scale mark (19) that are used for measuring impact rod centre gripping subassembly displacement on bottom plate (1).
2. A concrete resiliometer calibrating apparatus according to claim 1, wherein: the fixed subassembly of resiliometer includes first fixed plate (11) and second fixed plate (14), first fixed plate (11) and second fixed plate (14) all with bottom plate (1) fixed connection, first fixed plate (11) are located the one end of bottom plate (1), bottom plate (1) are located and slide between first fixed plate (11) and second fixed plate (14) and are provided with movable plate (16), threaded connection has first adjusting screw (12) on first fixed plate (11), the tip and the movable plate (16) of first adjusting screw (12) rotate and are connected.
3. A concrete resiliometer calibrating apparatus according to claim 2, wherein: a groove (161) matched with the end part of the resiliometer is formed in the moving plate (16), and a placing groove (141) matched with the outer diameter of the elastic striking rod (3) is formed in the second fixing plate (14).
4. A concrete resiliometer calibrating apparatus according to claim 2, wherein: the elastic striking rod clamping assembly comprises a sliding block (17), the sliding block (17) is connected with a bottom plate (1) in a sliding mode, a limiting plate (172) is fixedly mounted at one end of the sliding block (17), two clamping blocks (18) are symmetrically arranged on the sliding block (17), the two clamping blocks (18) are all connected with the sliding block (17) in a sliding mode, a bidirectional screw rod (173) is arranged on the limiting plate (172) in a rotating mode, and two thread sections of the bidirectional screw rod (173) are respectively connected with the two clamping blocks (18) in a threaded mode.
5. A concrete resiliometer calibrating apparatus according to claim 4, wherein: the clamping block (18) is provided with a clamping groove (181), and a rubber pad (182) is fixedly mounted on the side wall of the clamping groove (181).
6. A concrete resiliometer calibrating apparatus according to claim 4, wherein: and a marking plate (171) is fixedly arranged on the clamping block (18).
7. A concrete resiliometer calibrating apparatus according to claim 4, wherein: and a second adjusting screw (13) is connected to the first fixing plate (11) in a threaded manner, and the end part of the second adjusting screw (13) penetrates through the moving plate (16) and the second fixing plate (14) to be rotatably connected with the sliding block (17).
8. A concrete resiliometer calibrating apparatus according to claim 4, wherein: the elastic striking rod tension measuring assembly is a tension meter (15), the tension meter (15) is fixedly installed on the second fixing plate (14), and the tension meter (15) is detachably connected with the clamping block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220376781.4U CN217006829U (en) | 2022-02-24 | 2022-02-24 | Concrete resiliometer calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220376781.4U CN217006829U (en) | 2022-02-24 | 2022-02-24 | Concrete resiliometer calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006829U true CN217006829U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220376781.4U Active CN217006829U (en) | 2022-02-24 | 2022-02-24 | Concrete resiliometer calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006829U (en) |
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2022
- 2022-02-24 CN CN202220376781.4U patent/CN217006829U/en active Active
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