CN217179947U

CN217179947U - Concrete and water stable layer core taking clamp

Info

Publication number: CN217179947U
Application number: CN202123273650.8U
Authority: CN
Inventors: 陈光锋; 宗浩宇; 贾文忠
Original assignee: Jiangsu Province Traffic Engineering Group Bairun Engineering Testing Co ltd
Current assignee: Jiangsu Province Traffic Engineering Group Bairun Engineering Testing Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-12
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a core clamp is got to concrete and water stable layer belongs to the technical field who presss from both sides to the core, and it includes two clamping bars, every the clamping bar is including the portion of gripping, articulated portion and the clamping part that connect gradually, and two articulated portion intercrossing are articulated, the one end that the portion of gripping was kept away from to the clamping part is equipped with a clamp section of thick bamboo, two be equipped with the inoxidizing coating on the inside wall of a clamp section of thick bamboo, the inner wall shape of inoxidizing coating and the lateral wall shape looks adaptation of core appearance. This application can improve when using and get the completeness of core appearance by the clamp to the reduction takes place because of the condition that core appearance damaged needs the oversampling, and then has the effect that improves sample work efficiency.

Description

Concrete and water stable layer core taking clamp

Technical Field

The utility model relates to a get the field of core clamp, especially relate to a core clamp is got to concrete and water stable layer.

Background

With the continuous development of traffic engineering, core samples are drilled from concrete structures or highway water-stable layers, strength test pieces are prepared, and the strength of the core samples is measured and used for checking and verifying the strength of the building concrete or highway water-stable layers or used as a main quality index for evaluating the structure, so that the quality of the concrete structures or highway water-stable layers is related.

At present, traditional core clamp is even can take out core appearance, but gets core appearance the time easily and get broken core appearance upper strata, can't judge the quality on concrete structure or the steady layer of highway water after the breakage, needs the resampling, just so can't satisfy high-efficient, quick detection requirement.

SUMMERY OF THE UTILITY MODEL

In order to improve the above problems, the present application provides a concrete and water-stable layer coring clip.

The application provides a pair of core clamp is got to concrete and water stable layer adopts following technical scheme:

the utility model provides a core clamp is got to concrete and water stable layer, includes two clamping bars, every the clamping bar is including the portion of gripping, articulated portion and the clamping part that connects gradually, and two articulated portion intercrossing are articulated, the one end that the portion of gripping was kept away from to the clamping part is equipped with a clamp section of thick bamboo, two be equipped with the inoxidizing coating on the inside wall of a clamp section of thick bamboo, the inner wall shape of inoxidizing coating and the lateral wall shape looks adaptation of core appearance.

Through adopting above-mentioned technical scheme, when using this core clamp to carry out the clamp of core appearance, open the portion of gripping at first for the clamping part opens, overlaps the jacket barrel in the outside of core appearance. Then the holding part is pinched to enable the clamping parts to be close to each other, and the clamping cylinders on two sides of the core sample can tightly hold the core sample. And finally, the core sample can be taken out from the ground structure by moving the holding part. Due to the arrangement of the protective layer in the sleeve, the clamping device can buffer the clamping distance through deformation, so that when the core sample is clamped, the phenomenon that the core sample is damaged due to improper force application is reduced. Meanwhile, the inner wall of the protective layer can be tightly attached to the side wall of the core sample, so that the contact area between the protective layer and the core sample is increased, the stress uniformity of the core sample when being clamped can be improved, and the possibility that a part of the core sample is damaged due to overlarge stress is reduced.

Optionally, a first elastic element is arranged between one sides of the two hinged parts close to the clamping cylinder.

Through adopting above-mentioned technical scheme, when pinching the portion of gripping, the clamping part is close to each other, and first elastic component is compressed, when getting core appearance, can cushion the centre gripping dynamics of both sides clamping part, and the reduction degree of exerting oneself holds the impaired condition emergence of improper core appearance that leads to. In addition, after the holding part is loosened, the first elastic piece resets and rebounds, and the clamping parts on the two sides can be pushed outwards, so that the clamping barrel can be opened automatically, and the core sample can be clamped conveniently.

Optionally, a grip is arranged at one end of the holding part, which is far away from the clamping cylinder, an anti-slip sleeve is sleeved on the grip, and an anti-slip bulge is arranged on the anti-slip sleeve.

Through adopting above-mentioned technical scheme, the portion of gripping is convenient for the one-hand operation to the handle, and the antiskid is protruding can increase the friction of antiskid cover and hand, reduces to cause the phenomenon emergence that the core appearance drops the damage because of the operator hand wet and slippery to lead the time spent portion of gripping breaks away from then arouses.

Optionally, a locking screw is arranged between the two holding portions, one end of the locking screw is hinged to one of the holding portions through a rotating shaft, and the other end of the locking screw is fixedly connected to the other holding portion through a locking nut.

Through adopting above-mentioned technical scheme, when accomplishing the tight back of clamp of core appearance, screw up lock nut and can restrict the portion of gripping and open to both sides to restriction clamping part opens to both sides, the core appearance takes place the condition that drops when reducing to draw the core appearance.

Optionally, a locking clamping piece is arranged on the holding part far away from the rotating shaft, a locking clamping groove is arranged on the locking clamping piece, one end, far away from the rotating shaft, of the locking screw penetrates through the locking clamping groove, and the locking nut is in threaded connection with the locking screw above the locking clamping piece.

Through adopting above-mentioned technical scheme, locking screw can be in the free activity of locking draw-in groove, locking screw takes place the dead condition of card with lock nut when reducing to adjust lock nut.

Optionally, be equipped with on the clamping bar and dismantle coupling assembling, can dismantle coupling assembling's one end and clamping part are connected, and the other end is connected with a clamp section of thick bamboo.

Through adopting above-mentioned technical scheme, press from both sides a section of thick bamboo and realized being connected with dismantling of clamping part through dismantling coupling assembling, when pressing from both sides a section of thick bamboo and taking place to damage, can dismantle change or repair to pressing from both sides a section of thick bamboo to improve this core and press from both sides the life of core.

Optionally, the detachable connecting assembly comprises a first connecting block and a second elastic piece, the first connecting block is fixedly connected to one end, close to the holding portion, of the clamping barrel, a threaded hole is formed in the first connecting block, the second elastic piece is arranged in the threaded hole, an external thread is arranged on one side, away from the holding portion, of the clamping portion, the external thread is matched with the threaded hole, one end of the second elastic piece abuts against the bottom wall of the threaded hole, and the other end of the second elastic piece abuts against the end portion of the clamping portion.

By adopting the technical scheme, when the clamping barrel is installed, the end part of the clamping part is screwed into the threaded hole and is screwed down, so that the clamping device is convenient and fast. After the clamping barrel is installed, the second elastic piece is compressed, and the force for ejecting the clamping part to the outer side of the threaded hole is exerted, so that the phenomenon that the external thread is separated from the threaded hole is reduced, and the connection stability of the sleeve and the clamping part is improved.

Optionally, the detachable connecting assembly comprises a second connecting block and a fixing bolt, the second connecting block is fixedly connected to one end, close to the holding portion, of the clamping barrel, a connecting hole is formed in the second connecting block, one end, far away from the holding portion, of the clamping portion is inserted into the connecting hole, the fixing bolt is connected to the second connecting block in a threaded mode, and the tail portion of the fixing bolt is abutted to the side wall of the clamping portion.

Through adopting above-mentioned technical scheme, when the installation presss from both sides a section of thick bamboo, insert the connecting hole with the tip of clamping part after, screw up fixing bolt for fixing bolt's afterbody and the lateral wall butt of clamping part can accomplish the installation of pressing from both sides a section of thick bamboo and clamping part and fix, simple structure, the operation of being convenient for.

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

through the setting of inoxidizing coating, can cushion getting away of pressing from both sides through deformation for when pressing from both sides the core appearance of getting, the reduction improper phenomenon that leads to the core appearance damaged hard takes place. Meanwhile, the inner wall of the protective layer can be tightly attached to the side wall of the core sample, so that the contact area of the protective layer and the core sample is increased, the stress uniformity of the core sample when being clamped can be improved, and the possibility that a part of the core sample is damaged due to overlarge stress is reduced;

through the setting of first elastic component, when pressing from both sides the clamp core appearance, can cushion the centre gripping dynamics of both sides holding part, reduce the degree of exerting oneself and hold improper condition emergence that leads to the core appearance impaired. In addition, after the holding part is loosened, the first elastic part resets and rebounds, and the clamping parts on the two sides can be pushed outwards, so that the clamping barrel can be automatically opened, and the clamping work of the core sample is facilitated;

through the setting of locking screw and lock nut, after accomplishing the clamp of core appearance, screw up lock nut and can restrict the portion of gripping and open to both sides to restriction clamping part opens to both sides, the core appearance takes place the condition that drops when reducing and draw the core appearance.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a lock screw and a lock nut in the first embodiment of the present application.

Fig. 3 is an exploded view of a removable connection assembly embodying one embodiment of the present application.

Fig. 4 is an exploded view of a detachable connection assembly embodying the second embodiment of the present application.

Description of reference numerals: 1. a clamping bar; 11. a grip portion; 111. locking the screw rod; 112. a rotating shaft; 113. locking the nut; 114. locking the clamping piece; 1141. locking the clamping groove; 12. a hinge portion; 121. a first elastic member; 13. a clamping portion; 131. an external thread; 2. a clamping cylinder; 21. a protective layer; 3. a grip; 31. an anti-slip sleeve; 311. anti-skid projections; 4. a detachable connection assembly; 41. a first connection block; 411. a threaded hole; 42. a second elastic member; 43. a second connecting block; 431. connecting holes; 44. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The first embodiment is as follows:

the embodiment of the application discloses a concrete and water stable layer core taking clamp. Referring to fig. 1, a concrete and water-stable layer core taking clamp comprises two clamping rods 1, wherein each clamping rod 1 comprises a holding part 11, a hinge part 12 and a clamping part 13 which are connected in sequence. The two hinge parts 12 are mutually crossed and hinged, one end of the clamping part 13, which is far away from the holding part 11, is connected with the clamping cylinder 2, the side walls of the opposite inner sides of the two clamping cylinders 2 are fixedly connected with the protective layer 21, and the shape of the inner wall of the protective layer 21 is matched with that of the side wall of the core sample. In this embodiment, the material of the protective layer 21 may be one of rubber and foam sponge.

When the core sample is gripped by using the coring clip, the grip 11 is first opened to open the grip 13, and the cartridge 2 is fitted around the core sample. Then the holding part 11 is pinched to enable the clamping parts 13 to approach each other, and the clamping cylinders 2 at two sides of the core sample can tightly hold the core sample. Finally, the core sample can be taken out from the ground structure by moving the holding part 11. Due to the arrangement of the protective layer 21 in the sleeve, the clamping separation can be buffered through deformation, so that when a core sample is clamped, the phenomenon that the core sample is damaged due to improper force application is reduced. Meanwhile, the inner wall of the protective layer 21 can be tightly attached to the side wall of the core sample, so that the contact area between the protective layer 21 and the core sample is increased, the stress uniformity of the core sample when being clamped can be improved, and the possibility that a part of the core sample is damaged due to overlarge stress is reduced.

Referring to fig. 1 and 2, a grip 3 is fixedly connected to one end of the holding portion 11 away from the clamping cylinder 2, an anti-slip sleeve 31 is sleeved on the grip 3, and anti-slip protrusions 311 are uniformly distributed on the anti-slip sleeve 31. Through the setting, the grip 3 is convenient for the one-hand operation to pinch the holding part 11, the anti-skid protrusions 311 can increase the friction between the anti-skid sleeve 31 and the hand, and the phenomenon that the holding part 11 is separated from and then the core sample falls off and is damaged when the hand of an operator is wet and slippery to cause use is reduced.

Referring to fig. 1, a first elastic member 121 is installed between the two hinge portions 12 on the side close to the cartridge 2, and both ends of the first elastic member 121 are fixedly connected to the side walls of the respective hinge portions 12 close to each other. In this embodiment, the first elastic member 121 is a compression spring. When the grip 11 is pinched, the clamping portions 13 approach each other, the first elastic member 121 is compressed, and when the core sample is gripped, the clamping force of the clamping portions 13 on both sides can be buffered, thereby reducing the possibility of the core sample being damaged due to insufficient grasping of the force. In addition, after the holding part 11 is released, the first elastic part 121 resets and rebounds, and the clamping parts 13 on the two sides can be pushed outwards, so that the clamping barrel 2 can be opened automatically, and the clamping work of the core sample is facilitated.

Referring to fig. 1, a detachable connection assembly 4 is arranged on a clamping rod 1, one end of the detachable connection assembly 4 is connected with a clamping part 13, and the other end of the detachable connection assembly is connected with a clamping cylinder 2. Can realize through dismantling coupling assembling 4 that the clamp is connected with dismantling of clamping part 13, when the clamp 2 takes place to damage, can dismantle change or repair the clamp 2 to improve this core and press from both sides the life of clamp.

Referring to fig. 3, the detachable connection assembly 4 includes a first connection block 41 and a second elastic member 42, the first connection block 41 is fixedly connected to one end of the clamping barrel 2 close to the holding portion 11, a threaded hole 411 is formed in the first connection block 41, the second elastic member 42 is installed in the threaded hole 411, an external thread 131 is arranged on one side of the holding portion 13 away from the holding portion 11, the external thread 131 is matched with the threaded hole 411, one end of the second elastic member 42 abuts against the bottom wall of the threaded hole 411, and the other end abuts against the end of the holding portion 13.

When the cartridge 2 is mounted, only the end of the holding portion 13 needs to be screwed into the screw hole 411 and tightened; when the clamping cylinder 2 is disassembled, the end part of the clamping part 13 is screwed out of the threaded hole 411, which is convenient and fast. After the clamping cylinder 2 is installed, the second elastic element 42 is compressed, and the force ejecting towards the outer side of the threaded hole 411 is applied to the clamping part 13, so that the phenomenon that the external thread 131 is separated from the threaded hole 411 is reduced, and the connection stability of the clamping cylinder 2 and the clamping part 13 is improved.

Referring to fig. 2, a locking screw 111 is installed between the two holding portions 11, one end of the locking screw 111 is hinged to one of the holding portions 11 through a rotating shaft 112, and the other end is fixedly connected to the other holding portion 11 through a locking nut 113. The holding part 11 far away from the rotating shaft 112 is welded with a locking clamping piece 114, the locking clamping piece 114 is provided with a locking clamping groove 1141, and the length direction of the locking clamping groove 1141 is the same as that of the holding part 11. One end of the locking screw 111 far away from the rotating shaft 112 passes through the locking slot 1141, and the locking nut 113 is in threaded connection with the locking screw 111 outside the locking fastener 114. Thus, after the core sample is clamped, the clamping part 11 can be limited from opening towards two sides by tightening the locking nut 113, so that the clamping part 13 is limited from opening towards two sides, and the phenomenon that the core sample falls off when the core sample is extracted is reduced. The locking screw 111 can move freely in the locking slot 1141, so that the situation that the locking screw 111 and the locking nut 113 are locked when the locking nut 113 is adjusted is reduced.

The implementation principle of the first embodiment of the application is as follows: when the core sample is gripped by using the coring clip, the grip 3 is first grasped, and the grip tube 2 is fitted over the core sample. Then the grip 3 is pinched to make the clamping parts 13 approach each other, and the clamping cylinders 2 at both sides of the core sample can clamp the core sample. Subsequently, the opening of the grip 11 to both sides can be restricted by adjusting the lock nut 113, thereby restricting the opening of the holding portion 13 to both sides. Finally, the core sample can be taken out of the ground structure by holding the grip 3 and moving upward.

Due to the arrangement of the protective layer 21 in the sleeve, the clamping separation can be buffered through deformation, so that when a core sample is clamped, the phenomenon that the core sample is damaged due to improper force application is reduced. Meanwhile, the inner wall of the protective layer 21 can be tightly attached to the side wall of the core sample, so that the contact area between the protective layer 21 and the core sample is increased, the stress uniformity of the core sample when being clamped can be improved, and the possibility that a part of the core sample is damaged due to overlarge stress is reduced.

Example two:

the second embodiment of the application discloses a core clamp is got to concrete and water stable layer. Referring to fig. 4, the difference from the first embodiment is that: detachable connecting assembly 4 includes second connecting block 43 and fixing bolt 44, and second connecting block 43 fixed connection has seted up connecting hole 431 in the one end that presss from both sides a section of thick bamboo 2 and is close to the portion of gripping 11 on the second connecting block 43, and the one end that the portion of gripping 11 was kept away from to clamping part 13 is inserted and is located connecting hole 431, and fixing bolt 44 threaded connection is on second connecting block 43, and fixing bolt 44's afterbody and the lateral wall butt of clamping part 13.

The second embodiment is implemented according to the following principle: when the cartridge 2 is mounted, after the end of the clamping portion 13 is inserted into the connecting hole 431, the fixing bolt 44 is tightened to make the tail of the fixing bolt 44 abut against the side wall of the clamping portion 13, so that the mounting and fixing of the cartridge 2 and the clamping portion 13 can be completed; when the clamping cylinder 2 is disassembled, the clamping part 13 can be pulled out from the connecting hole 431 only by unscrewing the fixing bolt 44, so that the purpose of separating the clamping cylinder 2 from the clamping part 13 is realized. Simple structure, the dismouting is convenient.

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 core clamp is got to concrete and water steady layer, includes two clamping bars (1), its characterized in that: every clamping bar (1) is including the portion of gripping (11), articulated portion (12) and clamping part (13) that connect gradually, and two articulated portion (12) intercrossing are articulated, clamping part (13) keep away from the one end of the portion of gripping (11) and be equipped with a cartridge (2), two be equipped with inoxidizing coating (21) on the inside wall of cartridge (2), the inner wall shape of inoxidizing coating (21) and the lateral wall shape looks adaptation of core appearance.

2. The concrete and water-stable layer coring clip as set forth in claim 1, wherein: a first elastic piece (121) is arranged between one sides of the two hinged parts (12) close to the clamping cylinder (2).

3. The concrete and water-stable layer coring clip as set forth in claim 1, wherein: one end of the holding part (11) far away from the clamping barrel (2) is provided with a handle (3), the handle (3) is sleeved with an anti-skidding sleeve (31), and the anti-skidding sleeve (31) is provided with an anti-skidding bulge (311).

4. The concrete and water-stable layer coring clip as set forth in claim 1, wherein: and a locking screw rod (111) is arranged between the two holding parts (11), one end of the locking screw rod (111) is hinged with one holding part (11) through a rotating shaft (112), and the other end of the locking screw rod is fixedly connected to the other holding part (11) through a locking nut (113).

5. The concrete and water-stable layer coring clip as set forth in claim 4, wherein: keep away from be equipped with locking fastener (114) on the portion of gripping (11) of pivot (112), be equipped with locking draw-in groove (1141) on the locking fastener (114), locking screw (111) keep away from the one end of pivot (112) and pass locking draw-in groove (1141), lock nut (113) threaded connection is on locking screw (111) of locking fastener (114) top.

6. The concrete and water-stable layer coring clip as set forth in claim 1, wherein: be equipped with on clamping bar (1) and dismantle coupling assembling (4), the one end and the clamping part (13) of dismantling coupling assembling (4) are connected, and the other end is connected with a clamp (2).

7. The concrete and water-stable layer coring clip as set forth in claim 6, wherein: can dismantle coupling assembling (4) and include first connecting block (41) and second elastic component (42), first connecting block (41) fixed connection is close to the one end of portion of gripping (11) in pressing from both sides a section of thick bamboo (2), be equipped with screw hole (411) on first connecting block (41), screw hole (411) are located in second elastic component (42), one side that portion of gripping (11) was kept away from in clamping part (13) is equipped with external screw thread (131), external screw thread (131) and screw hole (411) looks adaptation, the one end of second elastic component (42) supports with the diapire of screw hole (411) and presses, and the other end supports with the tip of clamping part (13) and presses.

8. The concrete and water-stable layer coring clip as set forth in claim 6, wherein: detachable connecting assembly (4) include second connecting block (43) and fixing bolt (44), second connecting block (43) fixed connection is in the one end that presss from both sides a section of thick bamboo (2) and is close to portion of gripping (11), be equipped with connecting hole (431) on second connecting block (43), the one end that portion of gripping (11) was kept away from in clamping part (13) is inserted and is located connecting hole (431), fixing bolt (44) threaded connection is on second connecting block (43), the afterbody of fixing bolt (44) and the lateral wall butt of clamping part (13).