CN215857089U

CN215857089U - Special lifting support for calibrating Beckman beam deflectometer

Info

Publication number: CN215857089U
Application number: CN202122245567.3U
Authority: CN
Inventors: 卢小林; 王东; 张国华
Original assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd
Current assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a special lifting support for calibrating a Beckman beam deflectometer, which relates to the technical field of lifting supports and comprises a measuring platform and an instrument body, wherein a first dial indicator, a gauge stand, a second dial indicator and a gauge stand are arranged on the measuring platform, and a first indicating gauge end and a second indicating gauge end are respectively arranged on the first dial indicator, the gauge stand, the second dial indicator and the gauge stand, and the special lifting support is characterized in that: the first indicating meter end and the second indicating meter end are respectively in abutting contact with two ends of the instrument body, the instrument body is provided with a measuring connection block, the measuring platform is provided with a support block, and the support block is provided with a mounting groove. The utility model can keep the applied acting force and the lifting in the calibration process stable, can enable the calibrated Beckmann beam deflectometer to be more accurate compared with manual force application for measurement, and can reduce the time for calibration.

Description

Special lifting support for calibrating Beckman beam deflectometer

Technical Field

The utility model relates to the technical field of lifting supports, in particular to a special lifting support for calibrating a Beckman beam deflectometer.

Background

The Beckman beam deflectometer is an instrument for measuring the elasticity of a road surface by means of a Beckman beam method, the Beckman beam method is suitable for measuring the elasticity deflectometer of the road surface during static loading or very slow speed loading and can well reflect the overall strength of the road surface, and the Beckman beam deflectometer needs to be calibrated before being used or after being used for a period of time, so that the accuracy of numbers in the measuring process is ensured.

At present, when calibrating the Beckman beam deflectometer, the dial indicator is required to be used at two ends for measurement, but the accuracy of pressure applied to the Beckman beam deflectometer is poor through people in the calibration process, and the applied pressure is not stable enough, so that a special lifting support for calibrating the Beckman beam deflectometer is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special lifting support for calibrating a Beckman beam deflectometer, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a special lifting support that is used for calibration of graceful roof beam deflectometer of becker, includes measuring platform and instrument body, last first thousandth table and the table frame of installing of measuring platform and second amesdial and the table frame, first thousandth table and table frame with first instruction table end and second instruction table end, its characterized in that are installed respectively to second amesdial and table frame: the measuring instrument comprises an instrument body, a first indicating meter end, a second indicating meter end, a support block, a mounting groove, a hydraulic push rod, a moving block and a measuring plate, wherein the first indicating meter end and the second indicating meter end are respectively abutted against and contacted with two ends of the instrument body, the measuring instrument body is provided with a measuring connection block, the measuring platform is provided with the support block, the support block is provided with the mounting groove, the side wall of the bottom end of the mounting groove is provided with the hydraulic push rod, one end of the hydraulic push rod is provided with the moving block, one side of the moving block is rotatably provided with the conducting rod, and one end of the conducting rod is provided with the measuring plate.

Preferably, the side walls of the mounting grooves are symmetrically provided with limiting baffles, the limiting baffles are provided with pressure sensors, the side walls of the moving blocks are symmetrically provided with compression springs, one ends of the compression springs are provided with extrusion plates, and the extrusion plates are abutted to the pressure sensors.

Preferably, the support block is symmetrically provided with limiting sliding grooves at two sides of the mounting groove, and the extrusion plate is slidably mounted in the limiting sliding grooves.

Preferably, two limiting sliding grooves are internally and slidably provided with guide sliding blocks, and one sides of the guide sliding blocks are fixedly arranged on the side walls of the moving blocks.

Preferably, the support block is arranged in a conical table-shaped structure, a display is mounted on the side wall of the support block, and the display is electrically connected with the pressure sensor.

Preferably, a connecting screw hole is formed in the side wall of the measuring plate, an external thread is formed in one end of the conducting rod, and the conducting rod is installed on the measuring plate in a threaded connection mode.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. according to the utility model, through the arrangement of the first dial indicator, the gauge stand, the second dial indicator, the gauge stand, the support block and other structures, when the Beckman beam deflectometer is calibrated, a measurer can drive the movable block to move upwards by controlling the hydraulic push rod, then drive the measuring plate to move upwards by the movable block and the conducting rod, so that the measuring plate can push the measuring connection block, and then measure the numerical value of the Beckman beam deflectometer through the first dial indicator, the gauge stand, the second dial indicator and the gauge stand to calibrate.

2. According to the utility model, through the arrangement of the moving block, the pressure sensor, the compression spring and other components, in the process of pushing the lifting platform, the compression spring can be extruded through the movement of the moving block, so that the extrusion force is transmitted to the extrusion plate by the compression spring, then transmitted to the pressure sensor through the extrusion plate, and displayed through the display, and thus the force for calibration on the Beckman beam deflectometer can be displayed more visually, and the device is convenient for a worker to control and operate.

Drawings

Fig. 1 is a schematic overall three-dimensional structure diagram of a special lifting support for calibration of a beckman beam deflectometer in the embodiment;

fig. 2 is a schematic front view of a connection structure of the special lifting bracket for calibration of the beckman beam deflectometer in the embodiment;

FIG. 3 is a schematic perspective view of a connection structure of the bracket block in this embodiment;

fig. 4 is a schematic cross-sectional three-dimensional connection structure diagram of the bracket block in this embodiment.

In the figure: 1. a measuring platform; 2. an instrument body; 3. a first dial gauge and a gauge stand; 4. a first indicator terminal; 5. a second dial indicator and a gauge stand; 6. a second indicator table end; 7. measuring the splice block; 8. a support block; 9. measuring a plate; 10. a limiting sliding groove; 11. a limit baffle; 12. a guide slide block; 13. a moving block; 14. a pressure sensor; 15. a pressing plate; 16. a conductive rod; 17. a compression spring; 18. a hydraulic push rod; 19. and installing a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, a special lifting support for calibration of a beckmann beam deflectometer comprises a measuring platform 1 and an instrument body 2, wherein the measuring platform 1 is arranged in a ladder shape, a first dial indicator and a frame 3, a second dial indicator and a frame 5 are fixedly arranged on the measuring platform 1, the first dial indicator and the frame 3, the second dial indicator and the frame 5 are corresponding measuring instruments in the prior art, the first dial indicator and the frame 3, the second dial indicator and the frame 5 are respectively and fixedly provided with a first indicating end 4 and a second indicating end 6, the first indicating end 4 and the second indicating end 6 are respectively abutted against two ends of the instrument body 2, a measuring connecting block 7 is fixedly sleeved on the instrument body 2, a support block 8 is fixedly arranged on the measuring platform 1, as shown in fig. 3, the support block 8 is arranged in a cone-shaped structure, install the display on the lateral wall of support piece 8, electric connection between display and the pressure sensors 14, this kind of structural design, support piece 8 that toper platform form set up can increase whole lifting support's stability to the display that sets up can conveniently show the numerical value that pressure sensors 14 produced, thereby conveniently knows the size of having exerted the power among the calibration process.

The support block 8 is provided with an installation groove 19, as shown in fig. 4, the side wall of the installation groove 19 is symmetrically and fixedly provided with a limit baffle 11, the limit baffle 11 is in a strip-shaped plate structure, the limit baffle 11 is fixedly provided with a pressure sensor 14, the side wall of the moving block 13 is symmetrically and fixedly provided with a compression spring 17, one end of the compression spring 17 is fixedly provided with an extrusion plate 15, the two sides of the installation groove 19 on the support block 8 are symmetrically provided with limit sliding grooves 10, and the extrusion plate 15 is slidably installed in the limit sliding grooves 10. the structural design can ensure that the extrusion plate 15 can carry out limit and guide sliding through the limit sliding grooves 10, thereby ensuring that the extrusion plate 15 moves more stably, improving the measurement accuracy, the extrusion plate 15 is in abutting contact with the pressure sensor 14, and the compression spring 17 can be extruded through the movement of the moving block 13 in the process of the lifting platform pushing, so that the compression spring 17 transmits the extrusion force to the extrusion plate 15 and then transmits the extrusion force to the pressure sensor 14 through the extrusion plate 15, thereby visually displaying the force for calibrating and using on the Beckman beam deflectometer, and facilitating the control and operation of equipment by workers

Referring to fig. 2 and 3, a hydraulic push rod 18 is fixedly mounted on the side wall of the bottom end of the mounting groove 19, a moving block 13 is fixedly mounted at one end of the hydraulic push rod 18, a clamping groove is formed in the side wall of the moving block 13, one end of the hydraulic push rod 18 is arranged in the clamping groove, guide sliding blocks 12 are slidably mounted in two limiting sliding grooves 10, one side of each guide sliding block 12 is fixedly mounted on the side wall of the moving block 13, a conducting rod 16 is rotatably mounted at one side of the moving block 13, a measuring plate 9 is mounted at one end of the conducting rod 16, a connecting screw hole is formed in the side wall of the measuring plate 9, external threads are formed in one end of the conducting rod 16, the conducting rod 16 is mounted on the measuring plate 9 in a threaded manner, the structure is designed, and the measuring plate 9 and the conducting rod 16 are mounted in a threaded manner, and mounting and dismounting between the measuring plate 9 and the conducting rod 16 can be facilitated.

This practical theory of operation: when calibrating the Beckman beam deflectometer, a measurer drives the movable block 13 to move upwards by controlling the hydraulic push rod 18, then drives the measuring plate 9 to move upwards by controlling the movable block 13 and the conducting rod 16, so that the measuring plate 9 pushes the measuring connection block 7 to apply an acting force to the instrument body 2, and then the numerical value of the Beckman beam deflectometer body is measured by the first dial indicator and the meter frame 3 and the second dial indicator and the meter frame 5, and then calibration is carried out.

In the calibration process, the compression spring 17 can be extruded by the movement of the moving block 13, so that the compression spring 17 transmits extrusion force to the extrusion plate 15, then the extrusion force is transmitted to the pressure sensor 14 through the extrusion plate 15, the pressure sensor 14 is supported by the limiting baffle 11, and then the measured value is displayed by the pressure sensor 14 through the display, so that the force used for calibration on the Beckman beam deflectometer can be visually displayed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a special lifting support that is used for calibration of man roof beam deflectometer of becker, includes measuring platform (1) and instrument body (2), install first thousandth table and table frame (3) and second thousandth table and table frame (5) on measuring platform (1), first thousandth table and table frame (3) with first instruction table end (4) and second instruction table end (6), its characterized in that are installed respectively to second thousandth table and table frame (5): first instruction table end (4) with second instruction table end (6) respectively with the both ends counterbalance contact of instrument body (2), install on instrument body (2) and measure linking piece (7), install support piece (8) on measuring platform (1), mounting groove (19) have been seted up on support piece (8), install hydraulic push rod (18) on the bottom lateral wall of mounting groove (19), movable block (13) are installed to the one end of hydraulic push rod (18), one side of movable block (13) is rotated and is installed conduction pole (16), measurement board (9) are installed to the one end of conduction pole (16).

2. The special lifting support for calibration of the beckmann beam deflectometer according to claim 1, wherein: the side wall of the mounting groove (19) is symmetrically provided with a limiting baffle (11), the limiting baffle (11) is provided with a pressure sensor (14), the side wall of the moving block (13) is symmetrically provided with a compression spring (17), one end of the compression spring (17) is provided with an extrusion plate (15), and the extrusion plate (15) is in contact with the pressure sensor (14) in a propping manner.

3. The special lifting support for calibration of the beckmann beam deflectometer according to claim 2, wherein: the support block (8) is symmetrically provided with limiting sliding grooves (10) at two sides of the mounting groove (19), and the extrusion plate (15) is slidably mounted in the limiting sliding grooves (10).

4. The special lifting support for calibration of the beckman beam deflectometer according to claim 3, wherein: two all slidable mounting has guide sliding block (12) in spacing sliding tray (10), one side fixed mounting of guide sliding block (12) is in on the lateral wall of movable block (13).

5. The special lifting support for calibration of the beckmann beam deflectometer according to claim 2, wherein: the support block (8) is arranged in a conical table-shaped structure, a display is mounted on the side wall of the support block (8), and the display is electrically connected with the pressure sensor (14).

6. The special lifting support for calibration of the beckmann beam deflectometer according to claim 1, wherein: the measuring instrument is characterized in that a connecting screw hole is formed in the side wall of the measuring plate (9), an external thread is formed in one end of the conducting rod (16), and the conducting rod (16) is installed on the measuring plate (9) in a threaded mode.