CN212321352U

CN212321352U - Manage and use concrete resiliometer

Info

Publication number: CN212321352U
Application number: CN202020978889.1U
Authority: CN
Inventors: 张勇; 葛海东; 张庆凯; 乔孝龙
Original assignee: Hefei University Of Technology Construction Supervision Co ltd
Current assignee: Hefei University Of Technology Construction Supervision Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-01-08
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a concrete resiliometer for supervision, which relates to the technical field of concrete detection devices and comprises a resiliometer body, wherein the resiliometer body is sleeved with a positioning device used for enabling the axis of the resiliometer body to be vertical to the detection surface of a concrete wall body; the positioning device comprises a plurality of positioning columns arranged along the circumferential direction of the resiliometer body, clamping rods arranged in a sliding mode along the length direction of the positioning columns, a clamping part connected with the clamping rods and used for clamping the resiliometer body, fixing rods arranged in a sliding mode along the length direction of the positioning columns, and fixing parts connected with the fixing rods and used for fixing the end part of the resiliometer body; the clamping rods and the fixed rods are arranged at intervals; a reset piece for resetting the clamping rod and the fixed rod is arranged in the positioning column; a supporting piece is arranged between every two adjacent positioning columns. The utility model discloses have the effect that improves the detection precision.

Description

Manage and use concrete resiliometer

Technical Field

The utility model belongs to the technical field of the concrete detection device technique and specifically relates to a manage and use concrete resiliometer is related to.

Background

Currently, a concrete resiliometer is a detection device, which is suitable for detecting the strength of general building elements, bridges and various concrete elements (plates, beams, columns and bridges). The concrete resiliometer uses a spring to drive the elastic hammer and utilizes the restoring force of instantaneous elastic deformation produced by elastic striking of the elastic striking rod on the concrete surface to make the elastic hammer drive the pointer to rebound and indicate the rebound distance. The compression strength of concrete is estimated by using a rebound value (a ratio of a rebound distance to a distance between a hammer and a striking rod before impact in percentage) as one of indexes related to the compression strength of concrete.

At present, chinese utility model patent that bulletin number is CN206074373U discloses a concrete resiliometer, including the resiliometer shell, the display screen is installed to the upper end of resiliometer shell, and the inside upper end of resiliometer shell is provided with the controller, be provided with first electromagnetic drive ware and second electromagnetic drive ware in the resiliometer shell of controller below, first magnetic drive ware and second electromagnetic drive ware simultaneous transmission are connected with the impact rod, one side of impact rod is connected with photoelectric sensor, and is provided with the bar grating that corresponds photoelectric sensor on the inner wall of resiliometer shell, photoelectric sensor with bar grating looks adaptation is used for detecting the bounce-back height of impact rod.

The above prior art solutions have the following drawbacks: when using, need just can obtain accurate test data with the concrete wall that resiliometer perpendicular to will be measured, but foretell resiliometer is when manual operation measures, and the axis that probably makes resiliometer is out of plumb with the detection face of the concrete wall that will measure to the precision that detects has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a manage and use concrete resiliometer, it is when detecting the concrete intensity, and the axis of resiliometer and concrete wall's detection face can keep perpendicular to improve the precision that detects.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a concrete resiliometer for supervision comprises a resiliometer body, wherein the resiliometer body is sleeved with a positioning device for enabling the axis of the resiliometer body to be perpendicular to the detection surface of a concrete wall body; the positioning device comprises a plurality of positioning columns arranged along the circumferential direction of the resiliometer body, clamping rods arranged in a sliding mode along the length direction of the positioning columns, clamping parts connected with the clamping rods and used for clamping the resiliometer body, fixing rods arranged in a sliding mode along the length direction of the positioning columns, and fixing parts connected with the fixing rods and used for fixing the end part of the resiliometer body; the clamping rods and the fixed rods are arranged at intervals; a reset piece for resetting the clamping rod and the fixed rod is arranged in the positioning column; and a supporting piece is arranged between every two adjacent positioning columns.

Through adopting above-mentioned technical scheme, set up positioner, when using, can install the resiliometer body on positioner earlier for positioner can prescribe a limit to the removal route of resiliometer body, makes the axis perpendicular to concrete wall body detection face of resiliometer body, improves the precision that detects. Clamping part and fixed part combine the use, can fix the resiliometer body for difficult emergence slope when pressing the resiliometer body. The supporting piece can keep the distance between the positioning columns consistent, and the positioning columns can be constrained mutually, so that the positioning columns can keep a state vertical to the detection surface of the concrete wall. In the use, at first with the reference column butt on concrete wall's the face that detects for on the equal perpendicular to concrete wall's of axis of reference column the face that detects, when pressing the resiliometer body and detecting, supporting rod and dead lever can slide along the length direction of reference column, can guarantee that the axis of resiliometer body is perpendicular to concrete wall detects the face all the time in the measurement process, improves the precision that detects. The piece that resets can make clamping part and fixed part can drive the resiliometer body and reset after the measurement to detect next time.

The present invention may be further configured in a preferred embodiment as: a sliding rod is arranged in the positioning column; sliding sleeves in sliding fit with the sliding rods are arranged at the end parts of the clamping rods and the fixed rods; the reset piece comprises a first reset spring and a second reset spring which are sleeved on the sliding rod; the upper end of the first reset spring is abutted against the sliding sleeve on the fixed rod, and the lower end of the first reset spring is abutted against the sliding sleeve on the clamping rod; the upper end of the second return spring is abutted against the sliding sleeve on the clamping rod, and the lower end of the second return spring is abutted against the inner bottom wall of the positioning column; limiting grooves extending along the length direction of the positioning columns are formed in opposite sides of the positioning columns; the end parts of the clamping rods and the fixing rods are matched with the limiting groove and are arranged in a sliding mode along the length direction of the limiting groove.

Through adopting above-mentioned technical scheme, set up the slide bar for press the resiliometer body and examine time measuring, the sliding sleeve drives supporting rod and dead lever and removes along the length direction of reference column all the time, thereby guarantees that the axis of resiliometer body can remain throughout and concrete wall body detects a vertically state. Through first reset spring and second reset spring, can effectively make supporting rod and dead lever reset the action fast, simple structure easily realizes.

The present invention may be further configured in a preferred embodiment as: the clamping part comprises a cylindrical sleeve matched with the resiliometer body, a conical sleeve formed on the lower end face of the cylindrical sleeve and matched with the lower end of the resiliometer body, and a first fixing block fixed on the circumference of the cylindrical sleeve; the first fixing block is fixedly connected with the end part of the clamping rod through a first mounting piece.

Through adopting the above technical scheme, because the lower extreme of resiliometer body is the round platform form, set up rather than assorted cylinder sleeve and toper sleeve, can fix the resiliometer body, make the lower extreme of resiliometer body can be fixed a position, thereby can detect better, when pressing the resiliometer body and detecting, the clamping part removes to the direction of being close to concrete wall body detection face along with the resiliometer body, drive the supporting rod and remove to the direction of being close to concrete wall body detection face along being close to, remove the in-process reliable and stable, make the difficult slope that takes place of resiliometer body, it is high to survey the precision.

The present invention may be further configured in a preferred embodiment as: a first mounting groove is formed in the upper end face of the clamping rod and is positioned at the end part, away from the positioning column, of the clamping rod; the groove wall of the first mounting groove, which is deviated from the positioning column, penetrates through the end part of the clamping rod; the first fixing block is matched with the first mounting groove, and a first clamping groove is formed in the end part of the first fixing block; a first sliding groove communicated with the first mounting groove is formed in one side, located on the first mounting groove, of the clamping rod; the upper end surface of the clamping rod is provided with a first strip-shaped groove communicated with the first sliding groove; the length direction of the first strip-shaped groove, the length direction of the first sliding groove and the length direction of the clamping rod are consistent; the first mounting part comprises a first sliding block arranged in the first sliding groove in a sliding mode, a first abutting spring for connecting the first sliding block and the wall of the first sliding groove, and a first driving lever fixed on one side of the first sliding block and penetrating through the first strip-shaped groove to extend out of the clamping rod.

Through adopting above-mentioned technical scheme, place first fixed block in first mounting groove, through the press to clamping rod and first fixed block for first slider stretches into in to first draw-in groove and first fixed block joint, is fixed in between a plurality of clamping rods with the clamping part from this. When the clamping part needs to be replaced, the first driving lever is stirred, so that the first driving lever drives the first sliding block to move towards the direction deviating from the first fixing block, the first abutting spring is compressed, the end part of the first sliding block is separated from the clamping connection with the first clamping groove, and the clamping part can be conveniently separated from the clamping rod.

The present invention may be further configured in a preferred embodiment as: the lower end face of the fixing part is provided with a fixing groove matched with the upper end of the resiliometer body; a second fixed block is arranged on the circumferential direction of the fixed part; the second fixed block is connected with the end part of the fixed rod through a second mounting piece.

Through adopting above-mentioned technical scheme, fix the upper end of resiliometer body for the whole of resiliometer body can keep detecting the face with concrete wall and be perpendicular, has further prescribed a limit to rocking of resiliometer body, through pressing the fixed part, drives the resiliometer body and remove along detecting the face vertically direction with concrete wall, thereby improves the precision that detects. Set the fixed part to detachable structure, after fixing the clamping part, peg graft the resiliometer body in the clamping part after, install the fixed part on the dead lever again for the upper end of resiliometer body is located to the fixed part cover, fixes the resiliometer body.

The present invention may be further configured in a preferred embodiment as: a second mounting groove is formed in the upper end face of the fixed rod and is positioned at the end part, away from the positioning column, of the fixed rod; the wall of the second mounting groove, which is far away from the positioning column, penetrates through the end part of the fixing rod; the second fixing block is matched with the second mounting groove, and a second clamping groove is formed in the end part of the second fixing block; a second sliding groove communicated with the second mounting groove is formed in the fixed rod and positioned on one side of the second mounting groove; a second strip-shaped groove communicated with the second sliding groove is formed in the upper end face of the fixed rod; the length direction of the second strip-shaped groove, the length direction of the second sliding groove and the length direction of the fixing rod are consistent; the second installation part comprises a second sliding block arranged in the second sliding groove in a sliding mode, a second abutting spring connected with the second sliding block and the wall of the second sliding groove, and a second driving lever fixed on one side of the second sliding block and penetrating through the second strip-shaped groove to extend out of the fixing rod.

Through adopting above-mentioned technical scheme, place the second fixed block in the second mounting groove, through pressing down dead lever and second fixed block for the second slider stretches into in the second draw-in groove with the joint of second fixed block, is fixed in between a plurality of dead levers from this with the fixed part, makes the fixed part cover locate the upper end of resiliometer body. When the fixed part is dismantled to needs, through stirring the second driving lever for the second driving lever drives the second slider and removes to the direction that deviates from the second fixed block, and second butt spring is compressed, and the tip of second slider breaks away from the joint with the second draw-in groove, thereby can conveniently separate fixed part and dead lever.

The present invention may be further configured in a preferred embodiment as: three positioning columns are arranged; two groups of supporting pieces are arranged at intervals along the length direction of the positioning column.

Through adopting above-mentioned technical scheme, set up three reference column, two adjacent reference columns pass through support piece and connect, the reference column is connected with support piece and is formed the locating rack that the cross-section is regular triangle, firm effect has, wholly be difficult for taking place to rock, set up two sets of support piece, can be close to the position at both ends to the reference column and fix, make the structure between reference column and the reference column more reliable and more stable, the reference column can keep with concrete wall body detection face mutually perpendicular, thereby the reliability of resiliometer body detection effect has further been improved.

The present invention may be further configured in a preferred embodiment as: the supporting piece comprises a supporting rod arranged between two adjacent positioning columns and a locking part fixed at the end part of the supporting rod; the locking part comprises a first half ring fixed at the end part of the supporting rod and a second half ring hinged with one side of the first half ring; a first connecting block and a second connecting block are respectively formed on one side of the first half ring and one side of the second half ring, which are far away from the hinge point of the first half ring and the second half ring; the first connecting block is rotatably connected with a locking rod; the end part of the locking rod is in threaded connection with a locking nut; and one side of the second connecting block, which is far away from the second half ring, is provided with a notch matched with the locking rod.

Through adopting above-mentioned technical scheme, set up the bracing piece between two adjacent reference columns, make first semicircle can laminate with the lateral wall of two adjacent reference columns, through rotating the check lock pole, make the check lock pole peg graft in the breach, and screw up lock nut, make lock nut butt deviate from one side of first connecting block in the second connecting block, thereby can be fixed in respectively on two adjacent reference columns the both ends of bracing piece, make and to keep the certain distance between a plurality of reference columns, overall structure is more reliable and more stable.

The present invention may be further configured in a preferred embodiment as: the lower end of the positioning column is provided with a contact sheet; and anti-skid grains are arranged on one side of the abutting sheet, which is far away from the positioning column.

Through adopting above-mentioned technical scheme, set up the butt piece to set up anti-skidding line in one side of butt piece and concrete wall body detection face, can increase positioner and concrete wall body's area of contact, it is more reliable to make positioner can place, and stability is higher, and sets up anti-skidding line and can guarantee that butt piece and concrete wall body detection face are difficult for taking place relative movement, thereby can guarantee that the resiliometer body can detect steadily.

To sum up, the utility model discloses following beneficial effect has:

1. the positioning device is arranged, when the positioning device is used, the resiliometer body can be firstly installed on the positioning device, so that the positioning device can limit the moving path of the resiliometer body, the axis of the resiliometer body is perpendicular to the detection surface of the concrete wall body, the detection accuracy is improved, the clamping part and the fixing part are used in a combined mode, the resiliometer body can be fixed, and the resiliometer body is not prone to tilting when pressed;

2. the fixing part is arranged for fixing the upper end of the resiliometer body, so that the whole resiliometer body can be kept to be perpendicular to the detection surface of the concrete wall, the shaking of the resiliometer body is further limited, and the resiliometer body is driven to move along the direction perpendicular to the detection surface of the concrete wall by pressing the fixing part, so that the detection precision is improved;

3. set up three reference column, two adjacent reference columns pass through support piece to be connected, and the reference column is connected with support piece and is formed the locating rack that the cross-section is regular triangle, has firm effect, wholly is difficult for taking place to rock, sets up two sets of support piece, can be close to the position at both ends to the reference column and fix for the structure between reference column and the reference column is more reliable and more stable, and the reference column can keep and concrete wall body detects a mutually perpendicular, thereby has further improved the reliability of resiliometer body detection effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of a support member of the embodiment;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Reference numerals: 1. a resiliometer body; 2. a positioning device; 21. a positioning column; 211. a slide bar; 212. a sliding sleeve; 213. abutting the sheet; 214. a limiting groove; 22. a clamping rod; 221. a first mounting groove; 222. a first chute; 223. a first bar-shaped groove; 23. a clamping portion; 231. a cylindrical sleeve; 232. a tapered sleeve; 233. a first fixed block; 234. a first card slot; 24. fixing the rod; 241. a second mounting groove; 242. a second chute; 243. a second strip groove; 25. a fixed part; 251. a second fixed block; 252. a second card slot; 3. a reset member; 31. a first return spring; 32. a second return spring; 4. a support member; 41. a support bar; 42. a locking portion; 421. a first half ring; 422. a second half ring; 423. a first connection block; 424. a second connecting block; 425. a locking lever; 426. locking the nut; 427. a notch; 5. a first mounting member; 51. a first slider; 52. a first abutting spring; 53. a first shift lever; 6. a second mount; 61. a second slider; 62. a second abutting spring; 63. and a second deflector rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a manage and use concrete resiliometer, including resiliometer body 1, cup joint positioner 2 on resiliometer body 1.

Referring to fig. 1, positioner 2 is used for making the axis of resiliometer body 1 perpendicular to concrete wall detects the face all the time, improves the precision that resiliometer body 1 detected. The positioning device 2 includes a positioning column 21, a clamping rod 22, a clamping portion 23, a fixing rod 24, and a fixing portion 25.

Referring to fig. 1, a slide rod 211 is fixed in the positioning column 21, and the length direction of the slide rod 211 is consistent with the length direction of the positioning column 21. An abutting piece 213 is fixed to the lower end of the positioning post 21. The side of the contact piece 213 away from the positioning column 21 is provided with an anti-slip pattern. The positioning columns 21 are three, the resiliometer body 1 is located at the centers of the three positioning columns 21, a limiting groove 214 is formed in one side, close to the resiliometer body 1, of the positioning column 21, and the length direction of the limiting groove 214 is consistent with that of the positioning column 21. Two sliding sleeves 212 are slidably disposed on the sliding rod 211.

Referring to fig. 1, a reset member 3 is provided in the positioning post 21 for resetting the clamping rod 22 and the fixing rod 24. The restoring member 3 includes a first restoring spring 31 and a second restoring spring 32 sleeved on the sliding rod 211. The upper end of the first return spring 31 is abutted against the sliding sleeve 212 on the fixed rod 24, and the lower end of the first return spring 31 is abutted against the sliding sleeve 212 on the clamping rod 22; the upper end of the second return spring 32 abuts against the sliding sleeve 212 on the clamping rod 22, and the lower end of the second return spring 32 abuts against the inner bottom wall of the positioning column 21.

Referring to fig. 1, two adjacent positioning columns 21 are connected through a supporting part 4, and the supporting part 4 is connected with the positioning columns 21 to form a positioning frame with a regular triangle-shaped cross section. Two sets of supporting members 4 are disposed at intervals along the length direction of the positioning column 21, and the two sets of supporting members 4 are respectively close to two ends of the positioning column 21.

Referring to fig. 1 and 2, the support 4 includes a support rod 41 and a locking portion 42. The supporting rod 41 is disposed between two adjacent positioning pillars 21. Two locking parts 42 are provided, and the two locking parts 42 are respectively fixed to both ends of the support rod 41. The locking portion 42 includes a first half ring 421 and a second half ring 422. The first half ring 421 is fixed at the end of the support rod 41 and is attached to the outer side wall of the positioning column 21, and the second half ring 422 is hinged to one side of the first half ring 421. A first connecting block 423 and a second connecting block 424 are respectively formed on one side of the first half ring 421 and the second half ring 422, which faces away from the hinge point of the first half ring and the second half ring. The first connecting block 423 is rotatably connected with a locking rod 425, the end part of the locking rod 425 is in threaded connection with a locking nut 426, and one side of the second connecting block 424, which is away from the second half ring 422, is provided with a notch 427 matched with the locking rod 425. After the first half ring 421 and the second half ring 422 are wrapped on the outer side wall of the positioning column 21, the locking rod 425 is rotated, so that the locking rod 425 is inserted into the notch 427, and then the locking nut 426 is screwed, so that the locking nut 426 can be abutted against one side of the second connecting block 424 departing from the first connecting block 423, and thus the two adjacent positioning columns 21 are fixed through the supporting rod 41.

Referring to fig. 1 and 3, one end of the clamping rod 22 is fixed on the sliding sleeve 212 near the lower end of the positioning column 21, and the other end of the clamping rod 22 extends horizontally to the side near the resiliometer body 1. The upper end surface of the clamping rod 22 and the end portion of the clamping rod 22 away from the positioning column 21 are provided with first installation grooves 221, and the groove wall of the first installation groove 221 away from the positioning column 21 penetrates through the end portion of the clamping rod 22. The first sliding groove 222 communicated with the first mounting groove 221 is formed in one side, located on the first mounting groove 221, of the clamping rod 22, the first strip-shaped groove 223 communicated with the first sliding groove 222 is formed in the upper end face of the clamping rod 22, and the length direction of the first strip-shaped groove 223, the length direction of the first sliding groove 222 and the length direction of the clamping rod 22 are all the same.

Referring to fig. 1 and 3, the clamping portion 23 is detachably and fixedly connected to the clamping rod 22, and is used for clamping the resiliometer body 1. The clamping portion 23 includes a cylindrical sleeve 231, a tapered sleeve 232, and a first fixing block 233. The cylindrical sleeve 231 is fitted to the resiliometer body 1, and the tapered sleeve 232 is formed on the lower end face of the cylindrical sleeve 231 and fitted to the lower end of the resiliometer body 1. The first fixing block 233 is adapted to the first mounting groove 221, and a first engaging groove 234 is formed at an end of the first fixing block 233. The first fixing blocks 233 are fixed to the circumferential side of the cylindrical sleeve 231, and three first fixing blocks 233 are fixed along the outer sidewall of the cylindrical sleeve 231. The first fixing block 233 is fixedly coupled to the end of the clamping bar 22 by the first mounting member 5. The first mount 5 includes a first slider 51, a first abutment spring 52, and a first lever 53. The first sliding block 51 is slidably disposed in the first sliding slot 222, and an end of the first sliding block 51 is adapted to the first engaging groove 234. One end of the first abutting spring 52 is fixedly connected with the first sliding block 51, and the other end of the first abutting spring 52 is fixedly connected with the groove wall of the first sliding groove 222. The first shift lever 53 is fixed to one side of the first slider 51 and extends out of the clamping bar 22 through the first strip-shaped groove 223.

Referring to fig. 1 and 4, one end of the fixing rod 24 is fixed on a sliding sleeve 212 close to the upper end of the positioning column 21, and the other end of the fixing rod 24 extends horizontally to one side close to the resiliometer body 1. A second mounting groove 241 is formed in the upper end surface of the fixing rod 24 and at the end of the fixing rod 24 away from the positioning column 21, and the wall of the second mounting groove 241 away from the positioning column 21 penetrates through the end of the fixing rod 24. A second sliding groove 242 communicated with the second mounting groove 241 is formed in one side of the fixing rod 24, which is located in the second mounting groove 241, and a second strip-shaped groove 243 communicated with the second sliding groove 242 is formed in the upper end surface of the fixing rod 24. The length direction of the second strip groove 243, the length direction of the second chute 242, and the length direction of the fixing lever 24 are all the same.

Referring to fig. 1 and 4, the fixing portion 25 is detachably and fixedly connected to the fixing rod 24, and is used for positioning the upper end of the resiliometer body 1. The lower terminal surface of fixed part 25 offers the fixed slot with resiliometer body 1 upper end looks adaptation, and the circumference of fixed part 25 is fixed with three second fixed block 251, and second fixed block 251 and second mounting groove 241 looks adaptation, second draw-in groove 252 has been seted up to the tip of second fixed block 251. The second fixing block 251 is connected to the end of the fixing rod 24 by the second mounting 6. The second mount 6 includes a second slider 61, a second abutment spring 62, and a second shift lever 63. The second sliding block 61 is slidably disposed in the second sliding slot 242, and an end of the second sliding block 61 is adapted to the second engaging groove 252. One end of the second abutting spring 62 is fixedly connected to the second sliding block 61, and the other end of the second abutting spring 62 is fixedly connected to a groove wall of the second sliding groove 242. The second shift lever 63 is fixed to one side of the second slider 61 and extends out of the fixing rod 24 through the second strip-shaped slot 243.

The implementation principle of the embodiment is as follows: when the staff uses resiliometer body 1 to detect concrete wall body detection face, on the lower extreme grafting clamping part 23 of resiliometer body 1 for the lower extreme of resiliometer body 1 passes clamping part 23. And then, the fixing rods 24 and the second fixing block 251 are pressed, so that the second slider 61 extends into the second clamping groove 252 to be clamped with the second fixing block 251, and thus the fixing part 25 is fixed among the fixing rods 24, and the fixing part 25 is sleeved on the upper end of the resiliometer body 1. The positioning device 2 is placed on the concrete wall detection surface, so that the abutting sheet 213 abuts against the concrete wall detection surface. Through pressing fixed part 25 for fixed part 25 drives resiliometer body 1 and removes and bump with the concrete wall body to the one side that is close to concrete wall body detection face, tests concrete wall body's intensity, reads out test value from resiliometer body 1. After the test is accomplished, loosen the pressing to fixed part 25, under the effect of piece 3 that resets, supporting rod 22 and dead lever 24 drive resiliometer body 1 and reset, conveniently test next test point. Under the restriction of clamping rod 22 and dead lever 24, the axis of resiliometer body 1 and concrete wall body detection face remain mutually perpendicular's state throughout, are favorable to improving the precision that detects.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete resiliometer is used in supervision, includes resiliometer body (1), its characterized in that: the rebound apparatus body (1) is sleeved with a positioning device (2) used for enabling the axis of the rebound apparatus body (1) to be vertical to the detection surface of the concrete wall body; the positioning device (2) comprises a plurality of positioning columns (21) arranged along the circumferential direction of the resiliometer body (1), clamping rods (22) arranged in a sliding mode along the length direction of the positioning columns (21), clamping parts (23) connected with the clamping rods (22) and used for clamping the resiliometer body (1), fixing rods (24) arranged in a sliding mode along the length direction of the positioning columns (21), and fixing parts (25) connected with the fixing rods (24) and used for fixing the end parts of the resiliometer body (1); the clamping rods (22) and the fixing rods (24) are arranged at intervals; a resetting piece (3) used for resetting the clamping rod (22) and the fixing rod (24) is arranged in the positioning column (21); a supporting piece (4) is arranged between every two adjacent positioning columns (21).

2. The concrete rebound apparatus for supervision as claimed in claim 1, wherein: a sliding rod (211) is arranged in the positioning column (21); sliding sleeves (212) which are in sliding fit with the sliding rods (211) are arranged at the end parts of the clamping rods (22) and the fixing rods (24); the reset piece (3) comprises a first reset spring (31) and a second reset spring (32) which are sleeved on the sliding rod (211); the upper end of the first return spring (31) is abutted against a sliding sleeve (212) on the fixed rod (24), and the lower end of the first return spring (31) is abutted against the sliding sleeve (212) on the clamping rod (22); the upper end of the second return spring (32) is abutted with a sliding sleeve (212) on the clamping rod (22), and the lower end of the second return spring (32) is abutted with the inner bottom wall of the positioning column (21); limiting grooves (214) extending along the length direction of the positioning columns (21) are formed in opposite sides of the positioning columns (21); the end parts of the clamping rod (22) and the fixing rod (24) are matched with the limiting groove (214) and are arranged in a sliding mode along the length direction of the limiting groove (214).

3. The concrete rebound apparatus for supervision as claimed in claim 1, wherein: the clamping part (23) comprises a cylindrical sleeve (231) matched with the resiliometer body (1), a conical sleeve (232) formed on the lower end face of the cylindrical sleeve (231) and matched with the lower end of the resiliometer body (1), and a first fixing block (233) fixed on the circumferential direction of the cylindrical sleeve (231); the first fixing block (233) is fixedly connected with the end part of the clamping rod (22) through a first mounting piece (5).

4. The concrete rebound apparatus for supervision as claimed in claim 3, wherein: a first mounting groove (221) is formed in the upper end face of the clamping rod (22) and is positioned at the end part, deviating from the positioning column (21), of the clamping rod (22); the wall of the first mounting groove (221) deviating from the positioning column (21) penetrates through the end part of the clamping rod (22); the first fixing block (233) is matched with the first mounting groove (221), and a first clamping groove (234) is formed in the end portion of the first fixing block (233); a first sliding groove (222) communicated with the first mounting groove (221) is formed in one side, located on the first mounting groove (221), of the clamping rod (22); the upper end surface of the clamping rod (22) is provided with a first strip-shaped groove (223) communicated with the first sliding groove (222); the length direction of the first strip-shaped groove (223), the length direction of the first sliding groove (222) and the length direction of the clamping rod (22) are consistent; the first mounting part (5) comprises a first sliding block (51) arranged in the first sliding groove (222) in a sliding mode, a first abutting spring (52) connected with the first sliding block (51) and the wall of the first sliding groove (222), and a first shifting lever (53) fixed on one side of the first sliding block (51) and penetrating through the first strip-shaped groove (223) to extend out of the clamping rod (22).

5. The concrete rebound apparatus for supervision as claimed in claim 1, wherein: the lower end face of the fixing part (25) is provided with a fixing groove matched with the upper end of the resiliometer body (1); a second fixed block (251) is arranged in the circumferential direction of the fixed part (25); the second fixing block (251) is connected with the end part of the fixing rod (24) through a second mounting piece (6).

6. The concrete rebound apparatus for supervision as claimed in claim 5, wherein: a second mounting groove (241) is formed in the upper end face of the fixing rod (24) and is positioned at the end part, deviating from the positioning column (21), of the fixing rod (24); the wall of the second mounting groove (241) deviating from the positioning column (21) penetrates through the end part of the fixing rod (24); the second fixing block (251) is matched with the second mounting groove (241), and a second clamping groove (252) is formed in the end portion of the second fixing block (251); a second sliding groove (242) communicated with the second mounting groove (241) is formed in one side, located on the second mounting groove (241), of the fixing rod (24); a second strip-shaped groove (243) communicated with the second sliding groove (242) is formed in the upper end face of the fixing rod (24); the length direction of the second strip-shaped groove (243), the length direction of the second sliding chute (242) and the length direction of the fixing rod (24) are consistent; the second installation part (6) comprises a second sliding block (61) arranged in the second sliding groove (242) in a sliding mode, a second abutting spring (62) connected with the second sliding block (61) and the groove wall of the second sliding groove (242), and a second shifting lever (63) fixed to one side of the second sliding block (61) and penetrating through the second strip-shaped groove (243) to extend out of the fixing rod (24).

7. The concrete rebound apparatus for supervision as claimed in claim 1, wherein: three positioning columns (21) are arranged; two groups of supporting pieces (4) are arranged at intervals along the length direction of the positioning column (21).

8. The concrete rebound apparatus for supervision as claimed in claim 7, wherein: the supporting piece (4) comprises a supporting rod (41) arranged between two adjacent positioning columns (21) and a locking part (42) fixed at the end part of the supporting rod (41); the locking part (42) comprises a first half ring (421) fixed at the end part of the supporting rod (41) and a second half ring (422) hinged with one side of the first half ring (421); a first connecting block (423) and a second connecting block (424) are respectively formed on one sides of the first half ring (421) and the second half ring (422) departing from a hinge point of the first half ring and the second half ring; a locking rod (425) is rotatably connected to the first connecting block (423); the end part of the locking rod (425) is in threaded connection with a locking nut (426); one side of the second connecting block (424) departing from the second half ring (422) is provided with a notch (427) matched with the locking rod (425).

9. The concrete rebound apparatus for supervision as claimed in claim 1, wherein: the lower end of the positioning column (21) is provided with a contact piece (213); and anti-skid grains are arranged on one side, deviating from the positioning column (21), of the abutting sheet (213).