CN112833765B

CN112833765B - Concrete structure steel bar protection layer thickness detection environment calibrating device

Info

Publication number: CN112833765B
Application number: CN202110272527.XA
Authority: CN
Inventors: 吴崭鑫; 王龙; 谷盈葛
Original assignee: Hangzhou Traffic Engineering Test Center Co ltd
Current assignee: Hangzhou Traffic Engineering Test Center Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2022-07-01
Anticipated expiration: 2041-03-13
Also published as: CN112833765A

Abstract

The utility model relates to a concrete structure steel reinforcement protective layer thickness measuring environment calibrating device, including the detection instrument body and the supporting device who is used for bearing the detection instrument body, the supporting device includes that the level lays the support bracket, is used for supporting the expansion bracket of support bracket and sets up the drive assembly who drives the detection instrument body and remove along support bracket length direction on the support bracket, the detection instrument body can be dismantled and fix on drive assembly, drive assembly includes that polished rod, parallel and polished rod that fix on the support bracket along support bracket length direction rotate the screw rod of connection on the support bracket, set up the movable block between polished rod and screw rod and fix on the support bracket and with screw rod coaxial coupling's driving motor, movable block and polished rod sliding connection, with screw rod threaded connection, be provided with the coupling assembling who is used for connecting the detection instrument body on the movable block. This application has the effect that makes things convenient for the staff to carry out short-term test to the wall in different positions.

Description

Concrete structure steel bar protection layer thickness detection environment calibrating device

Technical Field

The application relates to the technical field of concrete structure steel bar protection layer thickness detection, in particular to a concrete structure steel bar protection layer thickness detection environment calibration device.

Background

The reinforcing steel bar protective layer is concrete between the outer edge of a stressed reinforcing steel bar in the structural concrete and the surface of the member; concrete between the outer edges of the steel bar framework stirrup, the horizontal bar and the spiral bar and the member; when the thickness of the steel bar protective layer is smaller, the bond stress of the thinner concrete to the steel bar is weakened, the structural resistance is influenced, and when the thickness is larger, the flexural bearing capacity, the crack control performance and the rigidity are reduced; in order to ensure good bonding between the steel bar and the concrete, the steel bar and the concrete are stressed together, the steel bar is prevented from being corroded by the external environment, the service performance of the reinforced concrete structure is improved, the service life is prolonged, and the method has important significance for controlling and measuring the protective layer.

People usually adopt the electromagnetic induction method reinforcing bar detection instrument to detect, and in the testing process, the staff contradicts the detection instrument to the wall, then promotes the detection instrument and removes, and then detects the wall body.

To the correlation technique among the above-mentioned, when needs examine higher wall, the staff need use the staircase to increase, then carries out rectilinear movement to the detection instrument, has not only increased staff's intensity of labour, and detection efficiency is lower moreover.

Disclosure of Invention

For the wall of convenient staff to different positions carries out short-term test, this application provides a concrete structure steel bar protective layer thickness detects environment calibrating device.

The application provides a concrete structure steel bar protective layer thickness detection environment calibrating device adopts following technical scheme:

the utility model provides a concrete structure steel reinforcement protective layer thickness detection environment calibrating device, includes the detection instrument body and is used for the supporting device of supporting detection instrument body, supporting device includes that the level lays the support bracket, is used for supporting the expansion bracket of support bracket and sets up and drive the drive assembly that the detection instrument body removed along support bracket length direction on the support bracket, the detection instrument body can be dismantled and fix on drive assembly.

Through adopting above-mentioned technical scheme, support bracket and drive assembly carry out bearing and drive to the detection instrument body, and the expansion bracket can adjust the height that supports the bracket, makes the detection instrument body can contradict on the wall of co-altitude not, then drive assembly drive detection instrument body carries out rectilinear movement, has made things convenient for the staff to survey the wall body of different positions.

Preferably, the driving assembly comprises a polished rod fixed on the support bracket along the length direction of the support bracket, a screw rod connected to the support bracket in parallel with the polished rod in a rotating manner, a moving block arranged between the polished rod and the screw rod, and a driving motor fixed on the support bracket and coaxially connected with the screw rod, the moving block is connected with the polished rod in a sliding manner and is in threaded connection with the screw rod, and a connecting assembly used for connecting the detecting instrument body is arranged on the moving block.

Through adopting above-mentioned technical scheme, when needs rectilinear movement detection instrument body, start driving motor, driving motor drives the screw rod and rotates, and the movable block rectilinear movement under the effect of screw rod and polished rod, and then drive the movable block and do rectilinear movement, has made things convenient for the staff to use the detection instrument body to survey the wall body.

Preferably, coupling assembling establishes the adapter sleeve of movable block including rotating the cover, the detection instrument body include the appearance body and with appearance body fixed connection's handle, be provided with the mounting that is used for fixed handle on the adapter sleeve, the mounting is including fixing on the adapter sleeve and supplying handle level male fixed cover and articulated setting on the adapter sleeve and lie in the fixed plate of fixed cover opening one side, be provided with between fixed cover and the fixed plate and be used for connecting between them connecting piece, be provided with between adapter sleeve and the movable block and be used for locking retaining member between them.

Through adopting above-mentioned technical scheme, when needs are fixed the detection instrument body to the movable block on, in inserting the fixed cover with the handle level on the detection instrument earlier, then rotate the fixed plate, make the fixed plate conflict the handle on the detection instrument, then with the connecting piece with fixed cover fixed with the fixed plate can, then according to the wall that needs detected, the orientation direction of adjustment detection instrument body, open the retaining member, rotate the adapter sleeve, until the orientation direction of detection instrument body accords with the staff needs, then reuse retaining member with the adapter sleeve with the movable block fixed can.

Preferably, the connecting piece includes the connecting rod that sets up on fixed cover side end face, the connecting block that the connecting rod was established to the screw thread cover and fixes the connection groove piece that supplies the connecting rod to rotate the embedding on the fixed plate.

Through adopting above-mentioned technical scheme, when needs use the connecting piece to connect fixed cover and fixed plate, rotate the connecting rod, make the connecting rod card establish in the connecting groove piece, then revolve wrong connecting block, conflict on the connecting groove piece until the connecting block, when needs are opened the connecting piece, revolve wrong connecting block to the direction of keeping away from the connecting groove piece, can rotate until the connecting rod and leave the connecting groove piece, made things convenient for the staff to use the connecting piece to open fixed cover and fixed plate or fix.

Preferably, the fixing plate is provided with a holding groove for holding the handle.

Through adopting above-mentioned technical scheme, the setting of holding tank is blocked the handle and is established, has avoided the handle to take place to rotate, and then has improved the fixed stability of fixed plate and fixed cover to the detection instrument body.

Preferably, the retaining member includes the check lock pole that passes the adapter sleeve along the adapter sleeve radial direction slip, the check lock pole inserts in the movable block, a plurality of supplies check lock pole male slot has been seted up on the movable block, be provided with the locking spring that the check lock pole was established to the cover in the adapter sleeve, locking spring's one end and check lock pole fixed connection, the other end and adapter sleeve fixed connection.

Through adopting above-mentioned technical scheme, when the retaining member is opened to needs, to the direction pulling check lock lever of keeping away from the movable block, leave the slot until the check lock lever, then rotate the adapter sleeve, accord with staff's needs until the orientation direction of detection instrument body, then loosen the check lock lever, in the slot on the movable block is inserted to the check lock lever under locking spring's effect, made things convenient for the staff to use the retaining member to open or lock adapter sleeve and movable block.

Preferably, the expansion bracket includes the last connecting rod of being connected perpendicularly in the middle part of the bracket, can dismantle the connecting rod in a plurality of being connected with the connecting rod, can dismantle the lower connecting rod of being connected with well connecting rod and the A-frame of being connected with lower connecting rod, be provided with the piece of increaseing that is used for adjusting both positions between lower connecting rod and the A-frame.

Through adopting above-mentioned technical scheme, the staff can be according to the number of required using connecting rod in the height determination of required detection wall, then will go up connecting rod, well connecting rod, lower connecting rod and A-frame and be connected to fix last connecting rod on the support bracket, then the piece is increaseed in the adjustment, make the detection instrument body contradict on the wall that needs survey can.

Preferably, the upper connecting rod and the middle connecting rod are detachably connected with two adjacent middle connecting rods through bolts.

Through adopting above-mentioned technical scheme, not only made things convenient for the staff installation or dismantled connecting rod and well connecting rod, guaranteed the joint strength between last connecting rod and the well connecting rod moreover.

Preferably, the A-frame includes that the slip wears to establish the bracing piece in the lower connecting rod and the three landing leg of being connected with bracing piece lower tip respectively, heightening the piece and including the screw thread cover establish the heightening cover on the bracing piece, heightening the lower tip of cover and lower connecting rod inconsistent.

By adopting the technical scheme, when the height of the supporting bracket needs to be adjusted by the heightening part, the heightening sleeve is screwed, the heightening sleeve moves along the vertical direction, the supporting bracket is driven to move along the vertical direction, the height of the supporting bracket can be adjusted by the aid of the forward and reverse heightening sleeve, and the height position of the supporting bracket can be accurately adjusted by workers.

Preferably, both sides of the upper connecting rod are provided with stabilizing rods, one end of each stabilizing rod is connected with the upper end of the upper connecting rod, and the other end of each stabilizing rod is connected with one end of the supporting frame.

Through adopting above-mentioned technical scheme, the stability of connecting rod and support bracket connection has been improved in the setting of firm pole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. due to the arrangement of the supporting device, the detection of wall surfaces with different heights by workers is facilitated;

2. the setting of coupling assembling has not only made things convenient for the staff to install or dismantle detection instrument body and supporting device, has made things convenient for the orientation direction of staff's adjustment detection instrument body moreover to survey the wall to different angles.

Drawings

Fig. 1 is an overall view of an embodiment of the present application.

FIG. 2 is a schematic diagram of a drive assembly embodied in an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of a retaining member embodied in an embodiment of the present application.

Fig. 5 is a cross-sectional view of a tripod embodied in an embodiment of the present application.

Description of reference numerals: 1. a detector body; 11. an instrument body; 12. a handle; 2. a support bracket; 3. a drive assembly; 31. a polish rod; 32. a screw; 33. a moving block; 34. a drive motor; 4. a connecting assembly; 41. connecting sleeves; 42. a fixing member; 421. fixing a sleeve; 422. a fixing plate; 43. a connecting member; 431. a connecting rod; 432. connecting blocks; 433. connecting the groove blocks; 5. a locking member; 51. a locking lever; 52. a locking spring; 53. a slot; 6. a telescopic frame; 61. an upper connecting rod; 62. a middle connecting rod; 63. a lower connecting rod; 631. a sleeve; 64. a triangular bracket; 641. a support bar; 642. a support leg; 643. a height adjusting sleeve; 7. and (6) stabilizing the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses concrete structure steel bar protective layer thickness detection environment calibrating device. Referring to fig. 1 and 2, the environment calibration device comprises a detector body 1 and a supporting device, wherein the detector body 1 comprises an instrument body 11 and a handle 12, the supporting device comprises a supporting bracket 2, a driving assembly 3 and an expansion bracket 6, the supporting bracket 2 is horizontally arranged, the driving assembly 3 is arranged on the supporting bracket 2 and used for fixing and driving the detector body 1 to move along the length direction of the supporting bracket 2, and the expansion bracket 6 is vertically connected with the supporting bracket 2 and used for adjusting the height of the supporting bracket 2.

As shown in fig. 2 and 3, the driving assembly 3 includes a polished rod 31, a screw rod 32, a moving block 33 and a driving motor 34, the polished rod 31 is fixed on the support bracket 2 along the length direction of the support bracket 2, the screw rod 32 is arranged in parallel with the polished rod 31 and is rotatably connected on the support bracket 2, the moving block 33 is located between the polished rod 31 and the screw rod 32, the polished rod 31 slides through the moving block 33, the screw rod 32 penetrates through the moving block 33, the driving motor 34 is fixed on one side of the support bracket 2, the driving motor 34 is coaxially fixed with the screw rod 32, the moving block 33 is a circular block, and the moving block 33 is provided with a connecting assembly 4 for connecting the probe body 1.

As shown in fig. 3 and 4, the connecting assembly 4 includes a connecting sleeve 41 and a fixing member 42, the connecting sleeve 41 rotatably sleeves the moving block 33, a locking member 5 for locking the connecting sleeve 41 and the moving block 33 is disposed between the connecting sleeve 41 and the moving block 33, the fixing member 42 is disposed on an end surface of the connecting sleeve 41 away from the support bracket 2, the fixing member 42 includes a fixing sleeve 421 and a fixing plate 422, the fixing sleeve 421 is horizontally fixed on the connecting sleeve 41, the handle 12 can be horizontally inserted into the fixing sleeve 421, the fixing plate 422 is disposed on a side of the connecting sleeve 41 close to an opening of the fixing sleeve 421, one end of the fixing plate 422 is rotatably connected with the connecting sleeve 41, a rotating shaft of the fixing plate 422 is disposed along a vertical direction, an accommodating groove clamped and accommodating the handle 12 is disposed on the fixing plate 422, and a connecting member 43 for connecting the fixing plate 422 and the fixing sleeve 421 is disposed between the other end of the fixing plate 422 and the fixing sleeve.

The locking part 5 comprises a locking rod 51 and two locking springs 52, the locking rod 51 penetrates through the connecting sleeve 41 in a sliding manner and is inserted into the moving block 33, slots 53 for the locking rod 51 to be inserted are formed in the circumference of the moving block 33, the two slots 53 are formed, the two slots 53 are arranged at 90 degrees, when the inserting rod is positioned in the slots 53, the detecting instrument body 1 is vertically upwards or horizontally arranged, the locking springs 52 are arranged in the connecting sleeve 41, the locking rods 51 are sleeved with the locking springs 52, one ends of the locking springs 52 are fixedly connected with the locking rods 51, the other ends of the locking springs are fixedly connected with the connecting sleeve 41, the locking springs 52 give a force to the locking rods 51 towards the slots 53 all the time, a worker can adjust the orientation of the detecting surface of the detecting instrument body 1 according to the orientation of the detecting wall surface (two large wall surfaces to be detected are provided with two types, namely a roof surface and a side wall surface), the position between the connecting sleeve 41 and the moving block 33 is adjusted by rotating the connecting sleeve 41, and then make detection instrument body 1 can be to on conflicting the wall, make detection instrument body 1 can survey the wall of different orientations.

Connecting piece 43 includes connecting rod 431, connecting block 432 and connection groove 433, and connecting rod 431 rotates to be connected in one side of fixed cover 421, and connecting rod 431 is rotatable to be close to or keeps away from fixed plate 42, and connecting rod 431 is established to connecting block 432 thread cover, and connection groove 433 is fixed on fixed plate 42 deviates from articulated terminal surface to connecting rod 431 is rotatable to be embedded in connecting groove 433, through twisting connecting block 432, connecting block 432 can contradict on connecting groove 433.

As shown in fig. 1 and 5, the telescopic frame 6 comprises an upper connecting rod 61, a plurality of middle connecting rods 62, a lower connecting rod 63 and a triangular bracket 64, wherein the upper connecting rod 61, the middle connecting rod 62 and the lower connecting rod 63 have the same size and specification, the upper connecting rod 61, the middle connecting rod 62 and the lower connecting rod 63 are all arranged in a cavity, the upper connecting rod 61 is vertically fixed in the middle of the lower end surface of the support bracket 2, the middle of the lower end surface of the support bracket 2 is fixed with a plug bush in which the upper connecting rod 61 is sleeved, the upper connecting rod 61 is fixedly connected with a plug bush fixing bolt, two sides of the upper end part of the upper connecting rod 61 are provided with stabilizing rods 7, the stabilizing rods 7 are obliquely arranged, two ends of the stabilizing rods 7 are respectively fixedly connected with one side of the upper connecting rod 61 and one side of the support bracket 2 through bolts, one end of the middle connecting rod 62 is integrally formed with a plug bush, the middle connecting rod 62 is inserted into the upper connecting rod 61 and fixedly connected through bolts, connecting rod 62431 also is through plug bush and bolt fixed connection in two adjacent, and the staff is according to the height of wall, the number of the well connecting rod 62 that the adjustment needs to use, and lower connecting rod 63 is plugged in well connecting rod 62 and through bolt fixed connection, and triangular support 64 sets up in the below of lower connecting rod 63 for with expansion bracket 6 steady support subaerial.

The triangular bracket 64 comprises a supporting rod 641 and three supporting legs 642, the supporting rod 641 is arranged along the vertical direction, the three supporting legs 642 are respectively fixed at the lower end part of the supporting rod 641, the three supporting legs 642 are obliquely and downwards abutted to the ground, the supporting rod 641 is slidably inserted into the lower connecting rod 63, a sleeve 631 of the supporting rod 641 is arranged in the lower connecting rod 63 along the vertical direction in a sliding sleeve mode, a height adjusting sleeve 643 is sleeved on the supporting rod 641 in a threaded sleeve mode, and the height adjusting sleeve 643 is used for supporting the lower connecting rod 63.

The implementation principle of the concrete structure steel bar protective layer thickness detection environment calibration device in the embodiment of the application is as follows: when the wall needs to be probed, firstly, the length of the telescopic frame 6 is adjusted according to the height of the wall, the number of the required middle connecting rods 62 is determined, then the upper connecting rods 61, the middle connecting rods 62 and the lower connecting rods 63 are respectively fixed by bolts, then the tripod is fixed on the lower connecting rods 63, then the detecting instrument body 1 is fixed on the connecting sleeve 41 through the fixing piece 42, then the orientation angle of the detecting instrument body 1 is adjusted according to the angle of the probed wall, then the telescopic frame 6 is fixed on the supporting frame, the heightening sleeve 643 is screwed, the height of the supporting frame is finely adjusted, so that the detecting instrument body 1 can be collided on the wall needing to be probed, then the driving motor 34 is started, and the detecting instrument body 1 is driven to linearly move.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete structure steel bar protective layer thickness detection environment calibrating device which characterized in that: the device comprises a detecting instrument body (1) and a supporting device for supporting the detecting instrument body (1), wherein the supporting device comprises a supporting bracket (2) which is horizontally arranged, a telescopic frame (6) for supporting the supporting bracket (2) and a driving assembly (3) which is arranged on the supporting bracket (2) and drives the detecting instrument body (1) to move along the length direction of the supporting bracket (2), and the detecting instrument body (1) is detachably fixed on the driving assembly (3);

the driving assembly (3) comprises a polished rod (31) fixed on the support bracket (2) along the length direction of the support bracket (2), a screw rod (32) parallel to the polished rod (31) and rotationally connected to the support bracket (2), a moving block (33) arranged between the polished rod (31) and the screw rod (32), and a driving motor (34) fixed on the support bracket (2) and coaxially connected with the screw rod (32), wherein the moving block (33) is slidably connected with the polished rod (31) and is in threaded connection with the screw rod (32), and a connecting assembly (4) used for connecting the detecting instrument body (1) is arranged on the moving block (33);

the connecting assembly (4) comprises a connecting sleeve (41) which is rotatably sleeved with a moving block (33), the detecting instrument body (1) comprises an instrument body (11) and a handle (12) fixedly connected with the instrument body (11), a fixing piece (42) used for fixing the handle (12) is arranged on the connecting sleeve (41), the fixing piece (42) comprises a fixing sleeve (421) which is fixed on the connecting sleeve (41) and used for horizontally inserting the handle (12) and a fixing plate (422) which is hinged to the connecting sleeve (41) and located on one side of an opening of the fixing sleeve (421), a connecting piece (43) used for connecting the fixing sleeve (421) and the fixing plate (422) is arranged between the fixing sleeve (421) and the fixing plate (422), and a locking piece (5) used for locking the connecting sleeve (41) and the moving block (33) is arranged between the connecting sleeve (41) and the moving block (33);

the connecting piece (43) comprises a connecting rod (431) rotatably arranged on the end face of the side of the fixed sleeve (421), a connecting block (432) in which the connecting rod (431) is sleeved in a threaded manner, and a connecting groove block (433) which is fixed on the fixed plate (422) and is used for the connecting rod (431) to be rotatably embedded;

retaining member (5) include along the locking lever (51) of adapter sleeve (41) radial direction slip through adapter sleeve (41), locking lever (51) insert in movable block (33), a plurality of has been seted up on movable block (33) and has been supplied locking lever (51) male slot (53), be provided with locking spring (52) that the cover established locking lever (51) in adapter sleeve (41), the one end and locking lever (51) fixed connection of locking spring (52), the other end and adapter sleeve (41) fixed connection.

2. The device for calibrating the environment for detecting the thickness of the protective layer of the steel bar of the concrete structure according to claim 1, wherein: the fixing plate (422) is provided with a containing groove for containing the handle (12).

3. The device for calibrating the environment for detecting the thickness of the protective layer of the steel bar of the concrete structure according to claim 1, wherein: the telescopic frame (6) comprises an upper connecting rod (61) vertically connected with the middle of the support bracket (2), a plurality of middle connecting rods (62) detachably connected with the upper connecting rod (61), lower connecting rods (63) detachably connected with the middle connecting rods (62) and a triangular support (64) connected with the lower connecting rods (63), and a height adjusting piece used for adjusting the positions of the lower connecting rods (63) and the triangular support (64) is arranged between the lower connecting rods (63) and the triangular support.

4. The device for calibrating the environment for detecting the thickness of the protective layer of the steel bar of the concrete structure according to claim 3, wherein: the upper connecting rod (61) is detachably connected with the middle connecting rod (62) and the two adjacent middle connecting rods (62) through bolts.

5. The device for calibrating the environment for detecting the thickness of the protective layer of the steel bar of the concrete structure according to claim 3, wherein: the triangular support (64) comprises a support rod (641) which is arranged in the lower connecting rod (63) in a sliding and penetrating mode and three support legs (642) which are connected with the lower end portion of the support rod (641) respectively, the heightening piece comprises a heightening sleeve (643) which is sleeved on the support rod (641) in a threaded mode, and the heightening sleeve (643) is abutted to the lower end portion of the lower connecting rod (63).

6. The device for calibrating the environment for detecting the thickness of the protective layer of the steel bar of the concrete structure according to claim 3, wherein: and the two sides of the upper connecting rod (61) are provided with stabilizing rods (7), one end of each stabilizing rod (7) is connected with the upper end part of the upper connecting rod (61), and the other end of each stabilizing rod is connected with one end of the bearing bracket (2).