CN215572802U

CN215572802U - Fixing frame with good stability for crack width gauge

Info

Publication number: CN215572802U
Application number: CN202122008787.4U
Authority: CN
Inventors: 项列东; 何斌
Original assignee: Shanghai Linglu Construction Engineering Testing Co ltd
Current assignee: Shanghai Linglu Construction Engineering Testing Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-18
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of crack width gauges, in particular to a fixing frame for a crack width gauge with good stability. The supporting table, the fixing column, the electric telescopic rod, the fixing sleeve, the first groove, the motor, the transmission block, the through groove, the locking block and the locking groove are matched for use, so that the functions of fixing and transmitting the crack width measuring instrument, the detecting head and the transmission rod and maintaining the stability in the transmission process are achieved, the fixing frame for the crack width measuring instrument has the advantage of good stability, in the actual use process, the locking structure is arranged on the transmission rod, and when the electric telescopic rod and the transmission rod are used for too long time, the friction coefficient between the structures is reduced, the meshing force is poor, the connection between the structures can be further fixed when the electric telescopic rod and the transmission rod are gradually unstable in the transmission process, and the good stability in operation is maintained.

Description

Fixing frame with good stability for crack width gauge

Technical Field

The utility model relates to the technical field of crack width gauges, in particular to a fixing frame for a crack width gauge with good stability.

Background

The crack width measuring instrument is used for detecting crack width and surface microscopic defects in a concrete structure, when the crack width measuring instrument is used, a display screen and a measuring probe are connected through a cable, a power switch is turned on, two support legs of the measuring probe are placed on a crack, and an amplified crack image can be seen on the display screen.

The existing crack width measuring instrument is simply fixed on a fixing frame in the actual use process, and the position of the crack width measuring instrument is adjusted in the reuse process, so that the poor fixation of the crack width measuring instrument is caused, the stability of the crack width measuring instrument in the use process is further influenced, and in order to solve the problems, the fixing frame for the crack width measuring instrument with good stability needs to be developed urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing frame for a crack width gauge with good stability, which has the advantage of good stability and solves the problems that the existing crack width gauge is simply fixed on the fixing frame in the actual use process and the position of the crack width gauge is adjusted in the reuse process, so that the fixity of the crack width gauge is poor and the stability of the crack width gauge in the use process is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a good crack mount for width gauge of stability, includes: the supporting platform comprises a supporting platform, a crack width measuring instrument and a detecting head, wherein the left side of the top of the supporting platform is movably connected with the crack width measuring instrument, the detecting head is positioned on the right side of the crack width measuring instrument and is connected with the crack width measuring instrument through a lead, the right side of the top of the supporting platform is fixedly connected with a fixed column, the bottom of an inner cavity of the fixed column is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a transmission rod, the top end of the transmission rod penetrates through the top end of the fixed column, the top of the surface of the fixed column is fixedly connected with a fixed sleeve, the surface of the fixed sleeve is provided with a first groove, the bottom of the fixed sleeve is provided with a shell, the bottom of the inner cavity of the shell is fixedly connected with a motor, an output shaft of the motor penetrates through the inner cavity of the first groove and is fixedly connected with a transmission block, one side of the inner cavity of the first groove is provided with a through groove, and a locking block is arranged in the through groove, the locking block is positioned at the rear side of the transmission block, and the front side of the top of the fixed column and the front side of the surface of the transmission rod are respectively provided with a second groove and a locking groove which are matched with the locking block.

Preferably, the bottom of the supporting table is fixedly connected with a triangular support, and the bottom of the triangular support is fixedly connected with an anti-skid pad.

Preferably, the surface of the transmission rod is fixedly connected with a protective sleeve, and the detection head is located in an inner cavity of the protective sleeve.

Preferably, the bottom of the shell is fixedly connected with a fixing plate, and the rear side of the fixing plate is fixedly connected with a fixing column.

Preferably, the spring is fixedly connected to the upper portion and the lower portion of the front surface of the locking block, and the front end of the spring is fixedly connected with the through groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model achieves the functions of fixing and driving the crack width measuring instrument, the detecting head and the transmission rod and maintaining the stability in the driving process by the matched use of the supporting table, the fixing column, the electric telescopic rod, the fixing sleeve, the first groove, the motor, the transmission block, the through groove, the locking block and the locking groove, achieves the function of fixing and driving the connection between the structures of the fixing frame by the matched use of the shell, the second groove, the triangular bracket, the non-slip mat, the protecting sleeve, the fixing plate and the spring, so that the fixing frame for the crack width measuring instrument has the advantage of good stability, in the actual use process, the locking structure is arranged on the transmission rod, when the electric telescopic rod and the transmission rod are used for too long time, the friction coefficient between the structures is reduced, the engagement force is poor, the connection between the structures can be further fixed when the electric telescopic rod and the transmission rod are gradually unstable in the driving process, and the good stability in the operation is maintained, the problem of current crack width gauge in the in-service use, be exactly simply fix the width gauge on the mount, carry out position control to the width gauge in the reuse process, this has just caused the fixity of width gauge not good, influences the stability of width gauge in the use then is solved.

2. The triangular support and the non-slip mat are matched for use, so that the friction force between the triangular support and the ground is increased, the structural stability of the supporting table is improved under the arrangement of the triangular structure, the detection head is protected through the arrangement of the protective sleeve, the transmission rod is prevented from being directly connected with the detection head, the detection head is convenient to disassemble, the shell and the motor are fixed through the arrangement of the fixing plate, the bottom supporting force of the shell and the motor is increased, the reasonability of the layout is improved, the locking block is reset through the arrangement of the spring, and the vibration amplitude generated when the locking block moves back and forth is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic rear perspective view of the present invention;

FIG. 3 is a perspective view of the present invention showing a partially disassembled structure;

fig. 4 is a partial enlarged view of a in fig. 3 according to the present invention.

In the figure: 1. a support table; 2. a crack width gauge; 3. a probe head; 4. fixing a column; 5. an electric telescopic rod; 6. a transmission rod; 7. fixing a sleeve; 8. a first groove; 9. a housing; 10. a motor; 11. a transmission block; 12. a through groove; 13. a locking block; 14. a second groove; 15. a locking groove; 16. a triangular bracket; 17. a non-slip mat; 18. a protective sleeve; 19. a fixing plate; 20. a spring.

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.

As shown in figures 1 to 4: the utility model provides a fixing frame for a crack width gauge with good stability, which comprises: the crack width measuring instrument comprises a supporting table 1, a crack width measuring instrument 2 and a detecting head 3, wherein the bottom of the supporting table 1 is fixedly connected with a triangular support 16, the bottom of the triangular support 16 is fixedly connected with an anti-slip pad 17, the friction force between the triangular support 16 and the ground is increased by using the triangular support 16 and the anti-slip pad 17 in a matched mode, meanwhile, under the arrangement of a triangular structure, the structural stability of the supporting table 1 is improved, the left side of the top of the supporting table 1 is movably connected with the crack width measuring instrument 2, the detecting head 3 is positioned on the right side of the crack width measuring instrument 2 and is connected with the crack width measuring instrument 2 through a conducting wire, the left side of the top of the supporting table 1 is movably connected with the crack width measuring instrument 2, the right side of the crack width measuring instrument 2 is connected with the detecting head 3 through a conducting wire, the right side of the top of the supporting table 1 is fixedly connected with a fixed column 4, the bottom of an inner cavity of the fixed column 4 is fixedly connected with an electric telescopic rod 5, and an output end of the electric telescopic rod 5 is fixedly connected with a transmission rod 6, the surface of the transmission rod 6 is fixedly connected with a protective sleeve 18, the detection head 3 is positioned in an inner cavity of the protective sleeve 18, the detection head 3 is protected by the arrangement of the protective sleeve 18, the transmission rod 6 is prevented from being directly connected with the detection head 3, the detection head 3 is convenient to detach, the top end of the transmission rod 6 penetrates to the top end of the fixed column 4, the top of the surface of the fixed column 4 is fixedly connected with a fixed sleeve 7, the surface of the fixed sleeve 7 is provided with a groove I8, the bottom of the fixed sleeve 7 is provided with a shell 9, the bottom of the inner cavity of the shell 9 is fixedly connected with a motor 10, the bottom of the shell 9 is fixedly connected with a fixed plate 19, the rear side of the fixed plate 19 is fixedly connected with the fixed column 4, the shell 9 and the motor 10 are fixed by the arrangement of the fixed plate 19, the bottom supporting force of the shell 9 and the motor 10 is increased, the layout rationality is improved, an output shaft of the motor 10 penetrates to the inner cavity of the groove I8 and is fixedly connected with a transmission block 11, one side of 8 inner chambers of recess has been seted up and has been led to groove 12, the inner chamber that leads to groove 12 is provided with locking piece 13, locking piece 13 is just surperficial top and the equal fixedly connected with spring 20 in below, spring 20's front end and lead to groove 12 fixed connection, setting through spring 20, it resets to locking piece 13 to have played, the effect of the vibration amplitude who produces when reducing locking piece 13 back-and-forth movement simultaneously, locking piece 13 is located the rear side of transmission piece 11, recess two 14 and locking groove 15 with locking piece 13 looks adaptation are seted up respectively to the front side at fixed column 4 top and the front side on transfer line 6 surface.

The working principle is as follows: when the utility model is used, a user starts the motor 10, the output shaft of the motor 10 drives the transmission block 11 to rotate clockwise, when the transmission block 11 rotates, along with the change of the motion track of the transmission block 11, the highest point of the transmission block 11 gradually deviates from the front surface of the locking block 13, when the transmission block 11 is completely separated from the locking block 13, the locking block 13 moves to the foremost side of the through groove 12 under the action of the elastic potential energy of the spring 20, at the moment, the locking block 13 is also completely separated from the locking groove 15, then the electric telescopic rod 5 is started, the output end of the electric telescopic rod 5 pushes the transmission rod 6 to move upwards, the transmission rod 6 drives the probe 3 to move upwards, the position of a crack is determined, the electric telescopic rod 5 is closed, the motor 10 is started again, the output shaft of the motor 10 drives the transmission block 11 to rotate anticlockwise, when the transmission block 11 rotates, along with the change of the motion track of the transmission block 11, the highest point of the transmission block 11 is gradually close to the locking block 13 and extrudes the locking block 13, and under the action of the elastic potential energy of the spring 20 again, the locking block 13 gradually moves towards the innermost side of the through groove 12 until the locking block 13 is completely embedded with the locking groove 15, at the moment, the motor 10 is turned off, the transmission rod 6 can be locked, and the stability of the transmission rod 6 in the using process is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a good crack mount for width gauge of stability, includes: supporting platform (1), crack width gauge (2) and detecting head (3), the left side and the crack width gauge (2) swing joint at supporting platform (1) top, detecting head (3) are located the right side of crack width gauge (2) and pass through the wire with crack width gauge (2) and are connected its characterized in that: the right side of the top of the supporting platform (1) is fixedly connected with a fixed column (4), the bottom of an inner cavity of the fixed column (4) is fixedly connected with an electric telescopic rod (5), an output end of the electric telescopic rod (5) is fixedly connected with a transmission rod (6), the top end of the transmission rod (6) penetrates through the top end of the fixed column (4), the top of the surface of the fixed column (4) is fixedly connected with a fixed sleeve (7), a first groove (8) is formed in the surface of the fixed sleeve (7), the bottom of the fixed sleeve (7) is provided with a shell (9), the bottom of the inner cavity of the shell (9) is fixedly connected with a motor (10), an output shaft of the motor (10) penetrates through the inner cavity of the first groove (8) and is fixedly connected with a transmission block (11), a through groove (12) is formed in one side of the inner cavity of the first groove (8), and a locking block (13) is arranged in the inner cavity of the through groove (12), the locking block (13) is positioned at the rear side of the transmission block (11), and a second groove (14) and a locking groove (15) which are matched with the locking block (13) are respectively formed in the front side of the top of the fixed column (4) and the front side of the surface of the transmission rod (6).

2. The fixing frame for the crack width gauge with good stability of claim 1, which is characterized in that: the bottom of the supporting table (1) is fixedly connected with a triangular support (16), and the bottom of the triangular support (16) is fixedly connected with an anti-skid pad (17).

3. The fixing frame for the crack width gauge with good stability of claim 1, which is characterized in that: the surface of the transmission rod (6) is fixedly connected with a protective sleeve (18), and the detection head (3) is located in the inner cavity of the protective sleeve (18).

4. The fixing frame for the crack width gauge with good stability of claim 1, which is characterized in that: the bottom of the shell (9) is fixedly connected with a fixing plate (19), and the rear side of the fixing plate (19) is fixedly connected with a fixing column (4).

5. The fixing frame for the crack width gauge with good stability of claim 1, which is characterized in that: the spring (20) is fixedly connected to the upper portion and the lower portion of the front surface of the locking block (13), and the front end of the spring (20) is fixedly connected with the through groove (12).