CN221123367U - Reinforcing bar protective layer thickness measuring instrument - Google Patents

Abstract

The utility model relates to the field of reinforcement measuring instruments, in particular to a reinforcement protection layer thickness measuring instrument which comprises a rod body, a supporting plate, a motor, a buffer mechanism and a rotating plate, wherein the rod body is provided with a plurality of support plates; the upper end of the rod body is provided with a base, and the base is provided with a detection head; the two support plates are arranged on the base, a rotating shaft is arranged between the inner sides of the two support plates, and a driving wheel is arranged outside the rotating shaft; the motor is arranged at the outer side of one supporting plate, and the driving end of the motor penetrates through the supporting plate and is connected with one end of the rotating shaft; the two buffer mechanisms are arranged between the inner sides of the two support plates; the two rotating plates are hinged on the supporting plate, bottom blocks are arranged in the two rotating plates, and telescopic rods are arranged at the inner ends of the two bottom blocks. The utility model can be used for measuring by holding equipment, can also be used for separating the rod body from the handle, and then can be used for sliding and clamping the device outside the reinforcing steel bars, and automatically moving for measuring, thereby being convenient for measuring the reinforcing steel bars with the partial length.

Description

Reinforcing bar protective layer thickness measuring instrument

Technical Field

The utility model relates to the field of reinforcing steel bar measuring instruments, in particular to a reinforcing steel bar protective layer thickness measuring instrument.

Background

The thickness measurer for reinforced concrete layer is one kind of equipment for detecting the diameter, position and distribution of reinforced concrete in reinforced concrete structure and the thickness of the reinforced concrete layer. The device has the function of scanning the reinforcement, can determine the positions and distribution conditions of the reinforcement, and can detect the thickness of the concrete protective layer according to the known diameter. In addition, the reinforcement bar protection layer thickness measuring instrument can also be used for detecting the positions of magnetic bodies and electric conductors in non-magnetic and non-conductive media, such as cables in walls, water heating pipelines and the like, and the general measuring instrument needs to measure the reinforcement bars at high positions.

The Chinese patent with the bulletin number of CN216523791U discloses a novel reinforcement protection layer thickness tester, which comprises a tester body and a display screen, wherein the four corners of the upper end of the tester body are all rotationally connected with a rotating wheel, the middle part of the upper end of the tester body is fixedly provided with a probe, the middle part of the lower end of the tester body is fixedly connected with a U-shaped block, and a vertical hollow rod is arranged below the tester body.

However, the above disclosed solution has the following disadvantages: although the device can be used for measuring the reinforcing steel bars at high positions, the device is not easy to measure the reinforcing steel bars with the partial length by manual handheld equipment.

Disclosure of utility model

The utility model aims to solve the problem that in the background technology, manual handheld equipment is not easy to measure the inclined long steel bars, and provides a steel bar protection layer thickness measuring instrument.

The technical scheme of the utility model is as follows: the thickness tester of the reinforcement protection layer comprises a rod body, a supporting plate, a motor, a buffer mechanism and a rotating plate;

The upper end of the rod body is provided with a base, and the base is provided with a detection head; the two support plates are arranged on the base, a rotating shaft is arranged between the inner sides of the two support plates, and a driving wheel is arranged outside the rotating shaft; the motor is arranged at the outer side of one supporting plate, and the driving end of the motor penetrates through the supporting plate and is connected with one end of the rotating shaft; the two buffer mechanisms are arranged between the inner sides of the two support plates; the two rotating plates are hinged to be arranged on the supporting plate, bottom blocks are arranged inside the two rotating plates, telescopic rods are arranged at the inner ends of the two bottom blocks, top blocks are arranged at the inner ends of the two telescopic rods, limited bead heads are arranged at the inner ends of the two top blocks, and balls are arranged in the two bead heads in a rotating mode.

Preferably, the two buffer mechanisms comprise two limiting grooves, supporting blocks are arranged in the two groups of limiting grooves, bearings are arranged at the upper ends of the two groups of supporting blocks, rotating rods are respectively arranged between the two groups of bearings, and pulleys are arranged outside the two rotating rods.

Preferably, a spring a is arranged between the two supporting blocks and the inner bottoms of the limiting grooves, and a spring b is arranged outside the two telescopic rods.

Preferably, the upper ends of two backup pads all rotate and are provided with the articulated lever, and the outside of two articulated levers all is provided with the connecting rod, and the upper end of two connecting rods all is connected with the bottom of revolving plate, and the outside of two articulated levers all overlaps and is equipped with two torsional springs.

Preferably, the rotating plates are all inclined inwards, and the heights of the two pulleys are slightly higher than the driving wheels.

Preferably, a fixed ring is arranged between the rod body and the base, a handle is arranged at the bottom of the rod body, and the upper end of the handle is in telescopic connection with the rod body.

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

Through setting up base, detection head, backup pad, pivot and drive wheel, establish it between two backup pads through the ball, when the reinforcing bar passes through the ball, make it rotate, then squeeze spring and telescopic link, the ball can outwards shrink, just can establish the reinforcing bar cover of different coarseness into; through setting up motor, buffer gear, rotating plate, bottom block, telescopic link, kicking block, limit bead head and ball, start the motor, the motor drives the spindle to rotate, drive the driving wheel to rotate thereupon, the driving wheel can drive other mechanisms to move on the reinforcing bar, start the detection head and can detect when moving at this moment, the device can slip joint outside the reinforcing bar like this, automatic movement is measured;

in addition, through setting up retainer plate and handle, can make up base and body of rod through the retainer plate, then pull out the handle again, can increase the application range, can hold equipment and survey like this.

To sum up, this device both can hold equipment and survey, also can separate body of rod and handle, then just can be with the device slip joint outside the reinforcing bar, automatic removal is surveyed, is convenient for survey the reinforcing bar of overlength.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the structure of FIG. 1;

FIG. 3 is a view of the ball structure of FIG. 2;

FIG. 4 is a block diagram of the buffer mechanism of FIG. 2;

Fig. 5 is a view showing the structure of the hinge lever of fig. 2.

Reference numerals: 1. a rod body; 2. a base; 3. a detection head; 4. a support plate; 5. a rotating shaft; 6. a driving wheel; 7. a motor; 8. a buffer mechanism; 9. a rotating plate; 10. a bottom block; 11. a telescopic rod; 12. a top block; 13. bead limiting head; 14. a ball; 15. a limit groove; 16. a support block; 17. a bearing; 18. a rotating rod; 19. a pulley; 20. a spring a; 21. a spring b; 22. a hinge rod; 23. a connecting rod; 24. a torsion spring; 25. a fixing ring; 26. a handle.

Detailed Description

Example 1

As shown in fig. 1 to 5, the thickness measuring instrument for the reinforcement protection layer provided by the utility model comprises a rod body 1, a supporting plate 4, a motor 7, a buffer mechanism 8 and a rotating plate 9;

The upper end of the rod body 1 is provided with a base 2, and the base 2 is provided with a detection head 3; the two support plates 4 are arranged on the base 2, a rotating shaft 5 is arranged between the inner sides of the two support plates 4, and a driving wheel 6 is arranged outside the rotating shaft 5; the motor 7 is arranged on the outer side of one supporting plate 4, and the driving end of the motor 7 penetrates through the supporting plate 4 and is connected with one end of the rotating shaft 5; the two buffer mechanisms 8 are arranged between the inner sides of the two support plates 4; the two rotating plates 9 are hinged on the supporting plate 4, bottom blocks 10 are arranged in the two rotating plates 9, telescopic rods 11 are arranged at the inner ends of the two bottom blocks 10, top blocks 12 are arranged at the inner ends of the two telescopic rods 11, limited bead heads 13 are arranged at the inner ends of the two top blocks 12, and balls 14 are arranged in the two limited bead heads 13 in a rotating mode.

Working principle: when the device is used, firstly, the rod body 1 and the base 2 are connected through the fixing ring 25, then the middle parts of the two rotating plates 9 are aligned with reinforcing bars through the rod body 1, then the reinforcing bars are sleeved between the two supporting plates 4 through the balls 14, when the reinforcing bars pass through the balls 14, the reinforcing bars rotate, then the springs and the telescopic rods 11 are extruded, the balls 14 can shrink outwards, reinforcing bars with different thicknesses can be sleeved in, then when the reinforcing bars are sleeved between the two supporting plates 4, the two buffer mechanisms 8 are pressed, the two pulleys 19 move downwards to drive the springs to shrink, the buffer springs are enabled to buffer the buffer springs, and simultaneously contact with the driving wheels 6, at the moment, the rod body 1 is disassembled from the base 2, then the motor 7 is started, the motor 7 drives the rotating shafts 5 to rotate, then the driving wheels 6 are driven to rotate, the driving wheels 6 can drive other mechanisms to move on the reinforcing bars, and at the moment, the detection head 3 is started to detect when moving.

In the embodiment, the base 2, the detection head 3, the support plates 4, the rotating shaft 5 and the driving wheel 6 are arranged, the base is sleeved between the two support plates 4 through the balls 14, when the steel bars pass through the balls 14, the steel bars rotate, then the springs and the telescopic rods 11 are extruded, the balls 14 shrink outwards, and the steel bars with different thicknesses can be sleeved in; through setting up motor 7, buffer gear 8, revolving plate 9, bottom block 10, telescopic link 11, kicking block 12, limit pearl head 13 and ball 14, start motor 7, motor 7 drive pivot 5 rotates, drives drive wheel 6 thereupon and rotates, and drive wheel 6 can drive other mechanisms and remove on the reinforcing bar, starts detection head 3 at this moment and just can detect when removing.

In summary, the device can be slidably clamped outside the steel bars, and the automatic movement is performed for measurement.

Example two

As shown in fig. 1-5, in comparison with the first embodiment, the thickness measuring device for the reinforcement protection layer provided by the utility model has the advantages that the two buffer mechanisms 8 comprise two limiting grooves 15, the two sets of limiting grooves 15 are internally provided with supporting blocks 16, the upper ends of the two sets of supporting blocks 16 are respectively provided with a bearing 17, rotating rods 18 are respectively arranged between the two sets of bearings 17, and pulleys 19 are respectively arranged outside the two rotating rods 18; springs a20 are arranged between the two support blocks 16 and the inner bottoms of the limit grooves 15, and springs b21 are arranged outside the two telescopic rods 11; the upper ends of the two support plates 4 are respectively provided with a hinging rod 22 in a rotating way, the outer sides of the two hinging rods 22 are respectively provided with a connecting rod 23, the upper ends of the two connecting rods 23 are respectively connected with the bottom ends of the rotating plates 9, and the outer parts of the two hinging rods 22 are respectively sleeved with two torsion springs 24; the rotating plates 9 are all obliquely arranged inwards, and the heights of the two pulleys 19 are slightly higher than the driving wheel 6; a fixed ring 25 is arranged between the rod body 1 and the base 2, a handle 26 is arranged at the bottom of the rod body 1, and the upper end of the handle 26 is in telescopic connection with the rod body 1.

In the embodiment, the base 2, the detection head 3, the support plates 4, the rotating shaft 5 and the driving wheel 6 are arranged, the base is sleeved between the two support plates 4 through the balls 14, when the steel bars pass through the balls 14, the steel bars rotate, then the springs and the telescopic rods 11 are extruded, the balls 14 shrink outwards, and the steel bars with different thicknesses can be sleeved in; by arranging the motor 7, the buffer mechanism 8, the rotating plate 9, the bottom block 10, the telescopic rod 11, the top block 12, the bead limiting head 13 and the balls 14, starting the motor 7, driving the rotating shaft 5 to rotate by the motor 7, driving the driving wheel 6 to rotate along with the rotating shaft, driving the driving wheel 6 to drive other mechanisms to move on the steel bar, and at the moment, starting the detection head 3 to detect when moving, so that the device can be slidably clamped outside the steel bar, and automatically move to measure;

In addition, through setting up retainer plate 25 and handle 26, can be through the retainer plate 25 with base 2 and body of rod 1 combination, then pull out handle 26 again, can increase the application range, can hold equipment and survey like this.

To sum up, this device both can hold equipment and survey, also can separate body of rod 1 and handle 26, then just can be with the device slip joint outside the reinforcing bar, and automatic removal is surveyed, is convenient for survey the reinforcing bar of overlength.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The thickness tester of the reinforcement protection layer is characterized by comprising a rod body (1), a supporting plate (4), a motor (7), a buffer mechanism (8) and a rotating plate (9);

The upper end of the rod body (1) is provided with a base (2), and the base (2) is provided with a detection head (3); the two support plates (4) are arranged on the base (2), a rotating shaft (5) is arranged between the inner sides of the two support plates (4), and a driving wheel (6) is arranged outside the rotating shaft (5); the motor (7) is arranged at the outer side of one supporting plate (4), and the driving end of the motor (7) penetrates through the supporting plate (4) and is connected with one end of the rotating shaft (5); the two buffer mechanisms (8) are arranged between the inner sides of the two support plates (4); the two rotating plates (9) are hinged to the supporting plate (4), bottom blocks (10) are arranged in the two rotating plates (9), telescopic rods (11) are arranged at the inner ends of the two bottom blocks (10), top blocks (12) are arranged at the inner ends of the two telescopic rods (11), limited bead heads (13) are arranged at the inner ends of the two top blocks (12), and balls (14) are arranged in the two bead heads (13) in a rotating mode.

2. The steel bar protection layer thickness measuring instrument according to claim 1, wherein the two buffer mechanisms (8) comprise two limiting grooves (15), supporting blocks (16) are arranged in the two limiting grooves (15), bearings (17) are arranged at the upper ends of the two supporting blocks (16), rotating rods (18) are respectively arranged between the two groups of bearings (17), and pulleys (19) are arranged outside the two rotating rods (18).

3. The steel bar protection layer thickness measuring instrument according to claim 2, characterized in that springs a (20) are arranged between the two support blocks (16) and the inner bottoms of the limit grooves (15), and springs b (21) are arranged outside the two telescopic rods (11).

4. The steel bar protection layer thickness measuring instrument according to claim 1, characterized in that the upper ends of the two support plates (4) are respectively provided with a hinging rod (22) in a rotating way, the outer sides of the two hinging rods (22) are respectively provided with a connecting rod (23), the upper ends of the two connecting rods (23) are respectively connected with the bottom ends of the rotating plates (9), and the outer parts of the two hinging rods (22) are respectively sleeved with two torsion springs (24).

5. A reinforcing bar cover thickness gauge as claimed in claim 1, characterized in that the plurality of swivel plates (9) are each inclined inwardly, the height of the two pulleys (19) being slightly higher than the driving wheel (6).

6. The steel bar protection layer thickness measuring instrument according to claim 1, wherein a fixing ring (25) is arranged between the rod body (1) and the base (2), a handle (26) is arranged at the bottom of the rod body (1), and the upper end of the handle (26) is in telescopic connection with the rod body (1).