CN210603092U

CN210603092U - Calibration device for reinforcing steel bar protective layer tester

Info

Publication number: CN210603092U
Application number: CN201921949585.6U
Authority: CN
Inventors: 卢宝生; 斯纪平; 王金生; 陈志明; 陈赢; 王士明
Original assignee: Zhejiang Tugong Instrument Co ltd
Current assignee: Zhejiang Tugong Instrument Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-05-22
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a protective steel bar layer apparatus calibration device, which comprises a base frame, fix the bracing piece on the chassis, relative support bar slides complex lifter plate and fixes the roof in the upper end of the support bar on vertical, be equipped with the mounting groove in the chassis, the downside of lifter plate is fixed with solid fixed cylinder, be connected with adjusting screw on the solid fixed cylinder, adjusting screw's one end and solid fixed cylinder's inner wall threaded connection, the other end extends to in the mounting groove and rotates with the chassis and be connected, the last inner wall of mounting groove is fixed with the connecting rod, the lower extreme of connecting rod is fixed with the fixed plate, adjusting screw's lower extreme rotates with the fixed plate and is connected, the last driven bevel gear that is fixed with of adjusting screw, the axis of rotation is worn to be equipped with by. The utility model discloses the regulation of realization lifter plate position that can be quick to can make things convenient for the detection of apparatus.

Description

Calibration device for reinforcing steel bar protective layer tester

Technical Field

The utility model belongs to the calibration device field, more specifically the utility model relates to a protective steel bar layer apparatus calibration device that says so.

Background

In most reinforced concrete projects, the structural steel bars need a certain protective layer thickness, so that the steel bars cannot contact the outside air, and rust and corrosion of the steel bars are avoided.

The existing calibration device of the reinforcing steel bar protective layer tester manually increases or decreases cushion blocks on reinforcing steel bars, detects the measured value of the thickness of concrete by using a reinforcing steel bar protective layer thickness tester to be detected, and detects the concrete thickness by comparing the measured value with a theoretical value preset in advance; or the reinforced concrete blocks with different thicknesses poured in advance are replaced to realize detection, and the detection process is time-consuming and very inefficient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a make things convenient for apparatus calibration device that protective layer of steel reinforcement detected.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a protective steel bar layer apparatus calibration device, includes the chassis, fixes bracing piece, relative bracing piece on the chassis along vertical complex lifter plate that slides and fix the roof in upper end of the support bar, is equipped with the mounting groove in the chassis, and the downside of lifter plate is fixed with solid fixed cylinder, is connected with adjusting screw on the solid fixed cylinder, adjusting screw's one end and the inner wall threaded connection of solid fixed cylinder, and the other end extends to in the mounting groove and rotates with the chassis to be connected.

Furthermore, the upper inner wall of the mounting groove is fixedly provided with a connecting rod, the lower end of the connecting rod is fixedly provided with a fixing plate, and the lower end of the adjusting screw rod is rotatably connected with the fixing plate.

Furthermore, a driven bevel gear is fixed on the adjusting screw, a rotating shaft horizontally penetrates through the underframe, and a driving bevel gear meshed with the driven bevel gear is fixed on the rotating shaft.

Further, the rotating shaft can rotate and horizontally move relative to the chassis.

Furthermore, be equipped with first spacing annular and second spacing annular on the outer wall of axis of rotation, be fixed with the fixed block that sets up in the axis of rotation top on the chassis, wear to be equipped with the gag lever post on the fixed block, when the lower extreme of gag lever post was pegged graft with first spacing annular, drive bevel gear and driven bevel gear meshing, when the lower extreme of gag lever post was pegged graft with second spacing annular, drive bevel gear leaves driven bevel gear completely.

Furthermore, a fixed disc is fixed at one end, far away from the adjusting screw rod, of the rotating shaft, and a rotating handle is fixed on the fixed disc.

Furthermore, a plurality of V-shaped grooves extending in the front-back direction are formed in the upper side face of the lifting plate.

Furthermore, the front side of the lifting plate is provided with transverse scales, and a digital display ruler is fixed on the upper side of the underframe.

To sum up, the utility model has the advantages that: 1. after the steel bar is placed on the V-shaped groove, the rotating shaft is rotated to drive the driving bevel gear to transmit, the driving main gear is meshed with the driven bevel gear to drive the adjusting screw to rotate, and the adjusting screw is connected with the fixed cylinder through threads to drive the lifting plate to move up and down, so that the lifting plate can be conveniently adjusted to a required position, and a tester placed above the top plate can be conveniently detected; 2. when the position of the lifting plate is not required to be adjusted, the lower end of the limiting rod is connected with the first limiting ring groove in an inserting mode, the driving bevel gear is completely separated from the driven bevel gear, and the phenomenon that the position of the lifting plate deviates due to the fact that the rotating shaft is rotated by mistake is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a calibration device of a protective layer measuring apparatus for steel bars of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a cross-sectional view at a-a in fig. 2.

Reference numerals: 1. a top plate; 2. reinforcing steel bars; 3. a V-shaped groove; 4. a lifting plate; 5. a scale; 6. a digital display ruler; 7. a rotating shaft; 8. a second limit ring groove; 9. a baffle plate; 10. a limiting rod; 11. rotating the handle; 12. fixing the disc; 13. a first limit ring groove; 14. a chassis; 15. mounting grooves; 16. adjusting the screw rod; 17. a fixing plate; 18. a connecting rod; 19. a drive bevel gear; 20. a driven bevel gear; 21. a fixed cylinder; 22. a support bar; 23. a fixed block; 24. and (4) a measuring instrument.

Detailed Description

The embodiment of the calibration device for a steel bar protection layer measuring instrument of the present invention is further described with reference to fig. 1 to 3.

As shown in fig. 1, a calibration device for a protective layer of steel bar measuring instrument comprises an underframe 14, supporting rods 22 fixed on the underframe 14, a lifting plate 4 sliding matched with the supporting rods 22 in the vertical direction, and a top plate 1 fixed at the upper end of the supporting rods 22, wherein four supporting rods 22 are arranged, the lower ends of the four supporting rods 22 are vertically fixed at four corners of the upper side of the underframe 14 respectively, the other ends of the four supporting rods 22 penetrate through four corners of the lifting plate 4 respectively, and the lower side surface of the top plate 1 is fixedly connected with the upper ends of the four supporting rods 22 respectively.

As shown in fig. 1, be equipped with mounting groove 15 in the chassis 14, the downside of lifter plate 4 is fixed with solid fixed cylinder 21, be connected with adjusting screw 16 on the solid fixed cylinder 21, adjusting screw 16's one end and solid fixed cylinder 21's inner wall threaded connection, the other end extends to in the mounting groove 15, the last inner wall of mounting groove 15 is fixed with connecting rod 18, the quantity of connecting rod 18 is provided with four, four connecting rod 18 are around adjusting screw 16's axis circumference evenly distributed, the lower extreme of connecting rod 18 is fixed with fixed plate 17, adjusting screw 16's lower extreme and fixed plate 17 rotate and are connected, thereby can drive the adjustment of lifter plate 4 position through rotating adjusting screw 16.

In order to rotate the adjusting screw 16 conveniently, a driven bevel gear 20 is fixed on the adjusting screw 16, the driven bevel gear 20 is arranged between the lower side surface of the mounting groove 15 and the fixing plate 17, a rotating shaft 7 horizontally penetrates through the underframe 14, and a drive bevel gear 19 meshed with the driven bevel gear 20 is fixed on the rotating shaft 7, so that the rotating shaft 7 can be rotated outside the underframe 14 to drive the drive bevel gear 19 to rotate, and the drive bevel gear 19 drives the adjusting screw 16 to rotate through the driven bevel gear 20.

As shown in fig. 3, the rotating shaft 7 can rotate and horizontally move relative to the side wall of the bottom frame 14, a first limiting ring groove 13 and a second limiting ring groove 8 are arranged on the outer wall of the rotating shaft 7, a fixing block 23 arranged above the rotating shaft 7 is fixed on the bottom frame 14, a limiting rod 10 penetrates through the fixing block 23, a baffle 9 is fixed at the upper end of the limiting rod 10, the baffle 9 is arranged above the fixing block 23, when the lower end of the limiting rod 10 is inserted into the first limiting ring groove 13, a gap is formed between the lower end face of the limiting rod 10 and the bottom face of the first limiting ring groove 13, so that the rotating shaft 7 can be normally rotated and the rotating shaft 7 can be limited to horizontally move, meanwhile, the driving bevel gear 19 is meshed with the driven bevel gear 20, and the rotating shaft 7 can normally; when the lower end of the limiting rod 10 is inserted into the second limiting ring groove 8, the driving bevel gear 19 completely leaves the driven bevel gear 20, so that the situation that the position of the lifting plate 4 is moved due to the fact that the rotating shaft 7 rotates because the rotating shaft 7 is touched carelessly when the position of the lifting plate 4 does not need to be adjusted is avoided.

As shown in fig. 1, a fixed disk 12 is fixed at one end of the rotating shaft 7 far away from the adjusting screw 16, and a rotating handle 11 is fixed on the fixed disk 12, wherein the rotating handle 11 can facilitate the rotation of the rotating shaft 7.

As shown in fig. 1, a plurality of V-shaped grooves 3 extending in the front-rear direction are formed on the upper side surface of a lifting plate 4, the V-shaped grooves 3 are sequentially arranged along the horizontal direction, 3 rows of the V-shaped grooves 3 are preferably formed, a gap is formed between each row of the V-shaped grooves 3, a reinforcing steel bar 2 can be placed on each V-shaped groove 3, the V-shaped grooves 3 can limit the position of the reinforcing steel bar 2, a transverse scale is arranged on the front side surface of the lifting plate 4, a digital display ruler is fixed on the upper side surface of a chassis 14, the digital display ruler 6 is arranged on the right side surface of the lifting plate 4, a bracket of the digital display ruler 6 is fixedly connected with the upper side surface of the chassis 14, the lifting plate 4 is fixedly connected with a display which can move in the vertical direction relative to the bracket of the digital display ruler 6, so that the position of the lifting plate 4 can be observed, two rulers 5 are further fixed on the, the middle of the scale on the scale 5 is 0, and 4 measuring grooves are also arranged on the top plate 1.

During the use, the lower extreme and the first spacing annular 13 of gag lever post 10 are pegged graft, the hand is held rotating handle 11 and is driven axis of rotation 7 and is rotated, the epaxial initiative bevel gear 19 of axis of rotation 7 drives the driven bevel gear 20 rotation on the adjusting screw 16, thereby drive adjusting screw 16 and rotate, adjusting screw 16 drives the vertical direction removal of lifter plate 4 through solid fixed cylinder 21, thereby can adjust suitable position with lifter plate 4, then shift out the lower extreme of gag lever post 10 in first spacing annular 13 and remove the second spacing annular 8, initiative bevel gear 19 leaves driven bevel gear 20 this moment, then can place reinforcing bar 2 on V type groove 3, detect place determinator 24 on roof 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a reinforcing bar protective layer apparatus calibration device which characterized in that: including the chassis, fix bracing piece, relative bracing piece on the chassis along vertical complex lifter plate that slides on with fix the roof in upper end of the support bar, be equipped with the mounting groove in the chassis, the downside of lifter plate is fixed with solid fixed cylinder, is connected with adjusting screw on the solid fixed cylinder, adjusting screw's one end and the inner wall threaded connection of solid fixed cylinder, the other end extends to in the mounting groove and rotates with the chassis and be connected.

2. The calibration device of the steel bar protection layer tester as claimed in claim 1, wherein: the upper inner wall of mounting groove is fixed with the connecting rod, and the lower extreme of connecting rod is fixed with the fixed plate, and adjusting screw's lower extreme rotates with the fixed plate to be connected.

3. The calibration device of the steel bar protection layer tester as claimed in claim 1, wherein: a driven bevel gear is fixed on the adjusting screw, a rotating shaft horizontally penetrates through the underframe, and a driving bevel gear meshed with the driven bevel gear is fixed on the rotating shaft.

4. The calibration device of the steel bar protection layer tester as claimed in claim 3, wherein: the rotating shaft can rotate and move horizontally relative to the chassis.

5. The calibration device of the steel bar protection layer tester as claimed in claim 4, wherein: be equipped with first spacing annular and second spacing annular on the outer wall of axis of rotation, be fixed with the fixed block that sets up in the axis of rotation top on the chassis, wear to be equipped with the gag lever post on the fixed block, when the lower extreme of gag lever post was pegged graft with first spacing annular, drive bevel gear and driven bevel gear meshing, when the lower extreme of gag lever post was pegged graft with second spacing annular, drive bevel gear leaves driven bevel gear completely.

6. The calibration device of the steel bar protection layer tester as claimed in claim 5, wherein: the one end that adjusting screw was kept away from to the axis of rotation is fixed with the fixed disk, is fixed with the twist grip on the fixed disk.

7. The calibration device of the steel bar protection layer tester as claimed in claim 1, wherein: the upper side surface of the lifting plate is provided with a plurality of V-shaped grooves extending in the front-back direction.

8. The calibration device of the steel bar protection layer tester as claimed in claim 7, wherein: the front side of the lifting plate is provided with transverse scales, and the upper side of the underframe is fixed with a digital display ruler.