CN211477839U

CN211477839U - Special fixture for tensile drawing experiment detection of cement pile

Info

Publication number: CN211477839U
Application number: CN201922046833.2U
Authority: CN
Inventors: 田乾乾; 顾欣; 杨国兴; 汪梦骐
Original assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Current assignee: Jiangsu Yadao Construction Engineering Testing Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-09-11
Anticipated expiration: 2029-11-23

Abstract

The utility model relates to a cement stake is prevented drawing experiment and is detected special fixture uses and is prevented drawing the detection area at the cement stake, and its technical scheme's main points are: contain two clamp plates, be equipped with the block rubber on the relative terminal surface of two clamp plates respectively, set up the arc wall that matches with the cement stake on the terminal surface that the block rubber deviates from the clamp plate respectively, two clamp plates are equipped with the fastening bolt who wears to establish two clamp plates simultaneously respectively along length direction's both ends, threaded connection has the nut on two fastening bolt respectively, fastening bolt's end supports tightly on one of them clamp plate, the nut supports tightly on another clamp plate, the cement stake is pressed from both sides tightly in the arc wall between two block rubbers. The utility model discloses the technical effect who has is: can carry out the centre gripping to the circular cement stake that does not have the steel reinforcement cage and fix to the staff can carry out the tensile detection of pulling out to circular cement stake.

Description

Special fixture for tensile drawing experiment detection of cement pile

Technical Field

The utility model belongs to the technical field of the technique of anchor clamps and specifically relates to a cement pile tensile is pulled out experiment and is detected special fixture is related to.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

Notice No. CN209542275U discloses a cement pile is prevented drawing experiment and is detected special fixture, including a set of splint that are parallel to each other and vertical setting, set up the curved clamping piece in splint one side, the upper and lower both ends of splint extend branch to both sides level, along the perpendicular to on the branch the direction level of branch is equipped with the pull rod, and different branch is connected respectively at the both ends of pull rod, and one side of splint is equipped with curved clamping piece, and it is connected with the toper clamp splice to slide on the clamping piece, is equipped with the bead on the clamp splice, seted up on the clamping piece with bead complex slot.

The utility model provides another kind of clamping structure carries out the centre gripping to the circular cement stake that does not have the steel reinforcement cage and fixes to the staff can carry out the tensile detection of pulling out to circular cement stake.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cement pile is prevented drawing experiment and is detected special fixture, its advantage: can carry out the centre gripping to the circular cement stake that does not have the steel reinforcement cage and fix to the staff can carry out the tensile detection of pulling out to circular cement stake.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a cement pile tensile is pulled out experiment and is detected special fixture, contains two clamp plates, two be equipped with the block rubber respectively on the relative terminal surface of clamp plate, set up the arc wall that matches with the cement pile respectively on the terminal surface that the block rubber deviates from the clamp plate, two the clamp plate is equipped with the fastening bolt who wears to establish two clamp plates simultaneously respectively along length direction's both ends, two threaded connection has the nut respectively on the fastening bolt, fastening bolt's end supports tightly on one of them clamp plate, the nut supports tightly on another clamp plate, the cement pile is pressed from both sides tightly in the arc wall.

Through the technical scheme, when needing to carry out the anti-tensile to the cement stake and pull out the detection, the staff can place the both sides of cement stake with two clamp plates respectively, make the arc wall on cement stake and the two rubber blocks correspond each other, later turn round two fastening bolt tightly, until the cement stake is pressed from both sides tightly between two rubber blocks, under the clamping action of two clamp plates, have great frictional resistance between rubber block and the cement stake, thereby reached and carried out the fixed effect of centre gripping to the circular cement stake that does not have the steel reinforcement cage, so that the staff can carry out the anti-tensile to pull out the detection to circular cement stake.

The utility model discloses further set up to: the bottom of arc wall is seted up two connecting holes that run through the rubber piece, the heavy groove has been seted up to the one end that the connecting hole is close to the arc wall, be equipped with on the rubber piece and wear to establish the connecting hole and bolted connection is at the connecting bolt on the clamp plate, connecting bolt's end whole is located heavy inslot and supports tightly on the bottom surface of heavy groove.

Through above-mentioned technical scheme, the mode that staff's accessible bolt was dismantled unloads connecting bolt from the connecting hole, then unloads the block rubber from the clamp plate, and the block rubber can be dismantled so that the staff can select assorted block rubber with it according to the size of treating fixed cement stake to the suitability of block rubber to not equidimension cement stake has been promoted.

The utility model discloses further set up to: supporting plates are respectively arranged on the opposite end surfaces of the two clamping plates; when the two rubber blocks are fixedly connected to the two clamping plates through the connecting bolts respectively, the two rubber blocks are abutted to the two supporting plates respectively.

Through above-mentioned technical scheme, when the staff is fixing the cement stake, the position of two adjustable clamp plates for the backup pad is located the below of block rubber, so that the backup pad can support the block rubber at the in-process that carries out the tensile and pull out the detection, has reduced the staff and has carried out the tensile and pull out when detecting, and the block rubber warp under the effect of pulling force, influences the possibility to the fixed effect of cement stake.

The utility model discloses further set up to: a plurality of reinforcing plates are obliquely arranged on the end faces, deviating from the rubber blocks, of the supporting plates respectively, and one ends, far away from the supporting plates, of the reinforcing plates are fixedly arranged on the clamping plates.

Through the technical scheme, the supporting plate is not easy to bend downwards to deform when stressed by the reinforcing plate, so that the effect of reinforcing the supporting plate is achieved, and the supporting plate can stably support the rubber block in the anti-pulling detection process.

The utility model discloses further set up to: the clamping plate is respectively penetrated and connected with two abutting shafts in a threaded manner, and the two abutting shafts respectively abut against the rubber block.

Through above-mentioned technical scheme, two support tight axle and support tightly respectively on the block rubber and increased the pressure between block rubber and the cement stake to promote the frictional resistance between block rubber and the cement stake, further strengthened the fixed effect of anchor clamps to the cement stake.

The utility model discloses further set up to: the clamping plate is provided with fixing plates at two ends along the length direction respectively, the two fixing plates are respectively penetrated and connected with a rotation resisting shaft in a threaded manner, the end parts of the two rotation resisting shafts are respectively and rotatably connected with rotation resisting blocks, and the two rotation resisting blocks are respectively and tightly propped against the two nuts.

Through the technical scheme, the rotation blocking block is tightly abutted on the nut, so that the resistance of the nut in rotation is increased, the nut is not easy to loosen, and the fixing effect of the fastening bolt on the clamping plate is enhanced.

The utility model discloses further set up to: the end face, deviating from the rotation resisting shaft, of the rotation resisting block is connected with a pressing block through a plurality of springs, the springs are in a contraction state, and the pressing block presses against the nut.

Through the technical scheme, when the rotation resisting shaft is loosened under the action of external force, the abutting block can still be abutted on the nut under the action of the elastic force of the spring, so that the nut is difficult to rotate, and the possibility that the rotation resisting block is difficult to continue abutting the nut due to the fact that the rotation resisting shaft is loosened is reduced.

The utility model discloses further set up to: and a plurality of reinforcing ribs are respectively arranged on the end surfaces of the two clamping plates, which are away from the rubber block.

Through above-mentioned technical scheme, the setting up of strengthening rib has strengthened the fastness of clamp plate self structure, has reduced the clamp plate and has twisted under the effect of extrusion force and warp the possibility that influences the fixed effect of cement pile to anchor clamps can carry out stable centre gripping to the cement pile.

To sum up, the utility model discloses a beneficial technological effect does:

1. the fixture can clamp and fix the circular cement pile without the reinforcement cage, so that workers can perform anti-drawing detection on the circular cement pile;

2. the rubber block is detachable, so that the applicability of the clamp to cement piles of different sizes is improved;

3. the arrangement of the rotation blocking shaft reduces the possibility of loosening of the nut, thereby enhancing the fixing effect of the fastening bolt on the clamping plate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic cross-sectional view of the present embodiment for illustrating the connection hole.

Fig. 3 is a schematic structural diagram for embodying the support plate in the present embodiment.

Fig. 4 is a schematic structural diagram of the present embodiment for embodying the abutting block.

Reference numerals: 1. a clamping plate; 2. a rubber block; 3. an arc-shaped slot; 4. fastening a bolt; 5. a nut; 6. connecting holes; 7. sinking a groove; 8. a connecting bolt; 9. a support plate; 10. a reinforcing plate; 11. the shaft is abutted; 12. a fixing plate; 13. a rotation resisting shaft; 14. a rotation resistance block; 15. a spring; 16. a propping block; 17. reinforcing ribs; 18. and (5) cement piles.

Detailed Description

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

Example (b): a special clamp for tensile drawing experiment detection of a cement pile is shown in figure 1 and comprises two clamping plates 1, a cement pile 18 is positioned between the two clamping plates 1, fastening bolts 4 which simultaneously penetrate through the two clamping plates 1 are respectively arranged at two ends of the two clamping plates 1 along the length direction in a penetrating manner, and nuts 5 are respectively connected with the end parts of the two fastening bolts 4 extending out of the clamping plates 1 in a threaded manner; two fastening bolts 4 are respectively positioned at two sides of the cement pile 18; the end faces, facing the cement pile 18, of the two clamping plates 1 are fixedly connected with rubber blocks 2 through two connecting bolts 8 respectively, and the end faces, facing the cement pile 18, of the rubber blocks 2 are provided with arc-shaped grooves 3 matched with the cement pile 18. Therefore, before carrying out the fixed centre gripping operation to not equidimension cement stake 18, staff's accessible bolt dismantlement mode is lifted off block rubber 2 from clamp plate 1, then selects assorted block rubber 2 with it according to the not equidimension of cement stake 18 to the suitability of block rubber 2 to not equidimension cement stake 18 has been promoted.

As shown in fig. 1 and 2, two connecting holes 6 matched with connecting bolts 8 are formed in the bottom of the arc-shaped groove 3, a sinking groove 7 is formed in one end, away from the clamping plate 1, of each connecting hole 6, the depth of the sinking groove 7 is larger than the height of the end of each connecting bolt 8, the rubber block 2 is connected with the clamping plate 1 in a mode that the two connecting holes 6 are respectively penetrated through by the two connecting bolts 8 and the rubber block is connected with the clamping plate 1 through bolts, and the end of each connecting bolt 8 can be tightly abutted to the bottom of the sinking groove 7. Therefore, when needing to fix cement pile 18, the position of two adjustable clamp plates 1 of staff makes two arc wall 3 on cement pile 18 and the block rubber 2 align each other, later turn round two fastening bolt 4 respectively and tightly drive two clamp plates 1 and move towards cement pile 18 direction, two block rubber 2 can support under the drive of clamp plate 1 tightly respectively and fix cement pile 18 clamp tightly in two arc wall 3 in the both sides of cement pile 18, under the squeezing action of two clamp plates 1, have great frictional resistance between two block rubber 2 and the cement pile 18, thereby reached and carried out the fixed effect of centre gripping to circular cement pile 18 that does not have the steel reinforcement cage, so that the staff can carry out the tensile to pull out the detection to circular cement pile 18.

As shown in fig. 1, the end face of the clamping plate 1 departing from the rubber block 2 is provided with two supporting shafts 11 in a penetrating manner and in threaded connection, the two connecting bolts 8 are respectively located between the two supporting shafts 11, and the two supporting shafts 11 respectively support the two ends of the rubber block 2 along the length direction towards one end of the rubber block 2. Therefore, after the worker tightens the two fastening bolts 4 to clamp and fix the cement pile 18, the worker can respectively rotate the two abutting shafts 11 until the two abutting shafts 11 abut against the rubber block 2 respectively, and the rubber block 2 is further abutted against the cement pile 18 by the abutting shafts 11, so that the possibility that the rubber block 2 slides relative to the cement pile 18 is reduced, and the clamping effect of the rubber block 2 on the cement pile 18 is further enhanced.

As shown in fig. 1 and 3, a plurality of reinforcing ribs 17 are fixedly arranged on end surfaces of the two clamping plates 1, which face away from the cement pile 18, respectively, and the arrangement of the plurality of reinforcing ribs 17 enhances structural firmness of the clamping plates 1, so that the two clamping plates 1 are not easily stressed and twisted when the cement pile 18 is clamped and fastened; two backup pads 9 have set firmly perpendicularly respectively on two clamp plates 1 towards the terminal surface of cement stake 18, and two rubber blocks 2 are located the top of two backup pads 9 respectively and support tightly each other towards the terminal surface of backup pad 9 and backup pad 9, and the width of backup pad 9 is set up to: when the cement pile 18 is tightly fixed between the two rubber blocks 2, the end faces of the two support plates 9 facing the cement pile 18 have a gap with the cement pile 18. Therefore, when a worker conducts anti-drawing detection on the cement pile 18 through the clamping plate 1, the two supporting plates 9 can be respectively abutted against the bottom surfaces of the two rubber blocks 2 to support the rubber blocks 2, so that the rubber blocks 2 are not prone to downward distortion and deformation under the action of stress in the vertical direction in the detection process; so that the rubber block 2 can stably clamp and fix the cement pile 18 in the process of pulling-resistant detection.

As shown in fig. 3, a plurality of cross-sections of the fixed connection at the included angle between the end face of the supporting plate 9 departing from the rubber block 2 and the clamping plate 1 are right-angled triangle reinforcing plates 10, and the setting of the reinforcing plates 10 enhances the connection firmness between the supporting plate 9 and the clamping plate 1, so that the supporting plate 9 is not easy to distort and deform relative to the clamping plate 1 when receiving the extrusion force from the rubber block 2, thereby enhancing the supporting effect of the supporting plate 9 on the rubber block 2.

As shown in fig. 4, the clamping plate 1 that is supported tightly by the nut 5 is provided with two end faces along the length direction, the fixing plates 12 are fixedly connected with respectively, the two fixing plates 12 are all arranged perpendicular to each other with the clamping plate 1, the two fixing plates 12 are respectively provided with a rotation resisting shaft 13 in a penetrating and threaded connection manner, the end part of the rotation resisting shaft 13 is rotatably connected with a rotation resisting block 14, the rotation resisting block 14 deviates from the end face of the rotation resisting shaft 13 and is connected with a supporting block 16 through a plurality of springs 15, the supporting block 16 is made of rubber, the two nuts 5 are respectively arranged between the two supporting blocks 16, the rotation resisting block 14 and the supporting block 16 are respectively attached to the clamping plate 1 towards the end face of the clamping plate 1. Therefore, after the worker tightens fastening bolt 4, the accessible rotates the mode that hinders pivot 13 and drives and hinder and rotate piece 14 and support tight piece 16 and remove towards nut 5 direction, until support tight piece 16 and support tightly on nut 5 and a plurality of spring 15 and be in the contraction state, at this moment, nut 5 can be supported tightly piece 16 and supported and be difficult to rotate under the effect of a plurality of spring 15 elastic restoring forces, the not hard up possibility of nut 5 has been reduced to the firm in connection between fastening bolt 4 and the pinch-off blades 1 has been strengthened.

The implementation principle of the embodiment is as follows: the worker can select the rubber block 2 matched with the cement pile 18 to be clamped according to the size of the cement pile 18 to be clamped, the rubber block 2 is fixedly connected onto the clamping plates 1 through the connecting bolts 8, the two clamping plates 1 are respectively placed on two sides of the cement pile 18 to enable the arc-shaped grooves 3 on the rubber block 2 to correspond to the cement pile 18, the fastening bolts 4 penetrate through the two clamping plates 1 and tighten the nuts 5, the cement piles 18 are clamped and fixed in the arc-shaped grooves 3 of the two rubber blocks 2, then the two abutting shafts 11 are rotated to respectively abut against the rubber block 2, the rubber block 2 is further abutted against the cement pile 18, the two abutting shafts 13 are rotated to abut against the nuts 5, and the nuts 5 are not easy to loosen; at this moment, the cement pile 18 is clamped and fixed between the two rubber blocks 2, so that the effect of clamping and fixing the circular cement pile 18 without a reinforcement cage is achieved, and a worker can conveniently perform anti-pulling detection on the circular cement pile 18.

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 cement pile tensile drawing experiment detects special fixture which characterized in that: contain two clamp plates (1), two be equipped with block rubber (2) on the relative terminal surface of clamp plate (1) respectively, block rubber (2) deviate from on the terminal surface of clamp plate (1) respectively seted up with cement stake (18) assorted arc wall (3), two clamp plate (1) is equipped with fastening bolt (4) of wearing to establish two clamp plates (1) simultaneously, two respectively threaded connection has nut (5) on fastening bolt (4), the end of fastening bolt (4) is supported tightly on one of them clamp plate (1), nut (5) support tightly on another clamp plate (1), and cement stake (18) are pressed from both sides tightly in arc wall (3).

2. The special fixture for tensile drawing experiment detection of the cement pile according to claim 1, characterized in that: two connecting holes (6) penetrating through the rubber block (2) are formed in the bottom of the arc-shaped groove (3), a sinking groove (7) is formed in one end, close to the arc-shaped groove (3), of each connecting hole (6), a connecting bolt (8) penetrating through the connecting holes (6) and connected to the clamping plate (1) through a bolt is arranged on each rubber block (2), and the end of each connecting bolt (8) is integrally located in the sinking groove (7) and tightly supported on the bottom surface of the sinking groove (7).

3. The special fixture for tensile drawing experiment detection of the cement pile according to claim 2, characterized in that: supporting plates (9) are respectively arranged on the opposite end surfaces of the two clamping plates (1); when the two rubber blocks (2) are fixedly connected to the two clamping plates (1) through the connecting bolts (8), the two rubber blocks (2) are respectively abutted against the two supporting plates (9).

4. The special fixture for tensile drawing experiment detection of the cement pile according to claim 3, characterized in that: a plurality of reinforcing plates (10) are obliquely arranged on the end faces, deviating from the rubber blocks (2), of the supporting plates (9), and one ends, far away from the supporting plates (9), of the reinforcing plates (10) are fixedly arranged on the clamping plates (1).

5. The special fixture for tensile drawing experiment detection of the cement pile according to claim 2, characterized in that: the clamping plate (1) is respectively penetrated and connected with two abutting shafts (11) in a threaded manner, and the two abutting shafts (11) are respectively abutted against the rubber block (2).

6. The special fixture for tensile drawing experiment detection of the cement pile according to claim 2, characterized in that: the clamping plate (1) is provided with fixing plates (12) at two ends along the length direction respectively, the fixing plates (12) are respectively penetrated and connected with a rotation resisting shaft (13) in a threaded manner, the end parts of the rotation resisting shafts (13) are respectively connected with rotation resisting blocks (14) in a rotating manner, and the rotation resisting blocks (14) are respectively abutted against two nuts (5).

7. The special fixture for tensile drawing experiment detection of the cement pile according to claim 6, characterized in that: the end face, deviating from the rotation resisting shaft (13), of the rotation resisting block (14) is connected with a propping block (16) through a plurality of springs (15), the springs (15) are in a contraction state, and the propping block (16) props against the nut (5).

8. The special fixture for tensile drawing experiment detection of the cement pile according to claim 1, characterized in that: and a plurality of reinforcing ribs (17) are respectively arranged on the end surfaces of the two clamping plates (1) departing from the rubber block (2).