CN213926417U

CN213926417U - Tubular pile resistance to plucking experimental fixing device

Info

Publication number: CN213926417U
Application number: CN202022988816.3U
Authority: CN
Inventors: 梁坚强
Original assignee: Guangdong Wenzu Hoisting And Transportation Equipment Co ltd
Current assignee: Guangdong Wenzu Hoisting And Transportation Equipment Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-10
Anticipated expiration: 2030-12-10

Abstract

The application relates to a tubular pile pulling resistance test fixing device, and belongs to the technical field of tubular pile detection. It includes the crossbeam, the bottom of crossbeam is provided with first adjustable shelf, be provided with between first adjustable shelf and the crossbeam and be used for driving the first power spare that first adjustable shelf reciprocated, the bottom of first adjustable shelf is fixed with the clamp ring, the inside wall of clamp ring is equipped with the inclined plane, the inclined plane from the top down inclines towards the tubular pile and is close to, sliding connection has the wedge piece on the inclined plane, the one side of wedge piece keeping away from the inclined plane is used for the outer wall butt with the tubular pile, two are no less than to the quantity of wedge piece. This application utilizes mutually supporting of wedge piece and clamp ring, realizes the quick clamp of tubular pile tightly with the unblock, can further improve the resistance to plucking test efficiency of tubular pile.

Description

Tubular pile resistance to plucking experimental fixing device

Technical Field

The application relates to the field of tubular pile detection, especially to a tubular pile resistance to plucking test fixing device.

Background

In the construction process, the concrete pipe pile buried in the construction site is usually required to be subjected to a pulling resistance test so as to detect the firmness and strength of the pipe pile.

At present, traditional tubular pile is when detecting resistance to plucking performance, generally need earlier toward the tubular pile in implant fillers such as resistance to plucking reinforcing bar and concreting, and the resistance to plucking reinforcing bar need expose the predetermined length of tubular pile, can increase the frictional force between filler and the tubular pile inner wall like this, then connect the tip that exposes at the resistance to plucking reinforcing bar through the connecting reinforcement of resistance to plucking experimental tool, reuse tools such as jack up the connecting reinforcement, order about the resistance to plucking reinforcing bar in the tubular pile up to move, with the resistance to plucking performance of detection tubular pile.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the existing process for detecting the pulling resistance of the tubular pile is complex, and particularly, the tubular pile needs to be fixed by consuming large manpower and material resources, so that the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to help improving the resistance to plucking test efficiency of tubular pile, this application provides a experimental fixing device of tubular pile resistance to plucking.

The application provides a pair of experimental fixing device of tubular pile resistance to plucking adopts following technical scheme:

the utility model provides a tubular pile resistance to plucking experimental fixing device, includes the crossbeam, the bottom of crossbeam is provided with first adjustable shelf, be provided with between first adjustable shelf and the crossbeam and be used for driving the first power spare that first adjustable shelf reciprocated, the bottom of first adjustable shelf is fixed with the clamp ring, the inside wall that clamps the ring is equipped with the inclined plane, inclined plane from the top down inclines towards the tubular pile and is close to, sliding connection has the wedge piece on the inclined plane, the wedge piece is kept away from one side of inclined plane and is used for the outer wall butt with the tubular pile, the quantity of wedge piece is no less than two.

Through adopting above-mentioned technical scheme, during the experiment, first adjustable shelf drives and presss from both sides the ring rebound, carves the piece and slides downwards along the inclined plane, when carving the piece and keeping away from one side butt tubular pile of inclined plane, frictional force between wedge and the tubular pile is greater than the frictional force between wedge and the inclined plane, presss from both sides the ring and continues rebound this moment, carves the piece and removes to the tubular pile, presss from both sides tight tubular pile, when pressing from both sides tight certain degree, presss from both sides the ring and drives the wedge rebound together to pull out the tubular pile, test the resistance to plucking of tubular pile. This scheme simple structure, easy operation is swift, can effectively improve the resistance to plucking test efficiency to the tubular pile.

Optionally, a second movable frame is arranged at the bottom of the first movable frame, a second power part for driving the second movable frame to move up and down is arranged between the second movable frame and the first movable frame, a connecting rod is connected between the second movable frame and the wedge-shaped block, one end of the connecting rod is connected with the second movable frame in a sliding manner, the sliding direction of the connecting rod is consistent with the radial direction of the clamping ring, and the other end of the connecting rod is fixedly connected with the wedge-shaped block.

By adopting the technical scheme, when the clamping of the wedge-shaped block on the tubular pile needs to be released, the first power part drives the first movable frame to move downwards, the second power part contracts at the moment, so that the second movable frame keeps relatively static, the inner wall of the clamping ring is separated from the wedge-shaped block, then the second power part extends, the second movable frame moves downwards, and the wedge-shaped block is separated from the outer wall of the tubular pile, so that the unlocking is realized. The first power part and the second power part are started successively, the clamping ring is separated from the wedge-shaped block firstly, then the wedge-shaped block is separated from the tubular pile, the process is clear, the steps are simple, and the tubular pile can be unlocked effectively, so that subsequent tests are facilitated.

Optionally, the second movable frame is provided as a disc, and the disc can be abutted to the end of the tubular pile exposed out of the ground.

Through adopting above-mentioned technical scheme, the disc can cover the mouth of pipe of tubular pile when experimental, avoids in debris fall the tubular pile, and the holistic intensity of second adjustable shelf can be guaranteed to the disc simultaneously, ensures that second power spare drives the disc and promotes and carve the piece, realizes the unblock of tubular pile.

Optionally, the bottom of the disc is connected with a sliding block in a sliding manner, one side, away from the second movable frame, of the sliding block is provided with a hook, and one end of the connecting rod is fixedly connected with the sliding block through the hook.

By adopting the technical scheme, during unlocking, the second power part drives the disc to move downwards to enable the wedge-shaped block to move towards the outer side of the tubular pile, the connecting rod realizes connection of the wedge-shaped block, the sliding block ensures that the wedge-shaped block can slide outwards, and the wedge-shaped block and the tubular pile are combined for use, so that smooth unlocking process is guaranteed. The setting of couple makes things convenient for the connecting rod to be connected with the slider, improves the convenience of installation.

Optionally, the first power part is set as a first jack, the output end of the first jack is fixedly connected with the cross beam, the bottom of the first jack is fixedly connected with the first movable frame, the second power part is set as a second jack, the output end of the second jack is fixedly connected with the bottom of the first movable frame, and the bottom of the second jack is fixedly connected with the disc.

Through adopting above-mentioned technical scheme, the jack structure is light and handy firm, can effectively realize jack-up and the support to the heavy object, and this scheme utilizes the reaction force of jack to realize the removal of first adjustable shelf and second adjustable shelf, has ensured effectively to the tubular pile locking and unblock, guarantees going on smoothly of resistance to plucking test.

Optionally, the number of the second jacks is not less than two, and the installation positions of the second jacks are close to the wedge-shaped block.

Through adopting above-mentioned technical scheme, carve the piece and support the back tightly with the tubular pile outer wall, carve the piece and can be in the same place with the laminating of tubular pile outer wall, need use great effort to promote the piece of carving at this moment, realize the unblock. The stability in the unlocking process can be effectively improved due to the arrangement of the at least two second jacks, and the smooth separation of the wedge-shaped block and the tubular pile is realized.

Optionally, one side of the wedge-shaped block, which is far away from the inclined surface, is provided with a rough surface.

Through adopting above-mentioned technical scheme, the rough surface can effectively increase the frictional force of carving the piece and tubular pile outer wall, improves the tight effort of the clamp of carving the piece to the tubular pile, ensures that the clamp ring can promote the tubular pile, guarantees going on smoothly of resistance to plucking test.

Optionally, a screw rod is arranged between the first movable frame and the clamping ring, one end of the screw rod is in threaded connection with the clamping ring, and the other end of the screw rod is fixedly connected with the first movable frame through a bolt.

Through adopting above-mentioned technical scheme, such setting up makes things convenient for personnel to carry out the dismouting to clamp ring and first adjustable shelf, improves dismouting efficiency, and then improves resistance to plucking experimental efficiency.

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

1. during the test, first adjustable shelf drives the clamp ring rebound, carves the piece and slides down along the inclined plane, when carve the piece and keep away from one side butt tubular pile of inclined plane, the frictional force between wedge and the tubular pile is greater than the frictional force between wedge and the inclined plane, and the clamp ring continues rebound this moment, carves the piece and removes to the tubular pile, presss from both sides tight tubular pile, presss from both sides tightly when certain degree, and the clamp ring drives wedge rebound together to pull up the tubular pile, tests the resistance to plucking of tubular pile. The scheme has a simple structure, is simple and quick to operate, and can effectively improve the anti-pulling test efficiency of the tubular pile;

2. when the clamping of the wedge-shaped block on the tubular pile needs to be released, the first power piece drives the first movable frame to move downwards, the second power piece contracts at the moment, the second movable frame is kept relatively still, the inner wall of the clamping ring is separated from the wedge-shaped block, then the second power piece extends, the second movable frame moves downwards, the wedge-shaped block is separated from the outer wall of the tubular pile, and unlocking is achieved. According to the scheme, the first power member and the second power member are started in sequence, the clamping ring is separated from the wedge-shaped block, and then the wedge-shaped block is separated from the tubular pile, so that the process is clear, the steps are simple, the tubular pile can be effectively unlocked, and the subsequent test is facilitated;

3. use the screw rod to be connected between first adjustable shelf and the clamp ring, make things convenient for personnel to carry out the dismouting to clamp ring and first adjustable shelf, improve dismouting efficiency, and then improve the experimental efficiency of resistance to plucking.

Drawings

Fig. 1 is a schematic view of the entire structure of the embodiment of the present application in an initial state.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view of the contact state of the clamping ring and the wedge-shaped block during the locking of the embodiment of the application.

Fig. 4 is a schematic view of the state that the wedge-shaped block clamps the tube pile when locking according to the embodiment of the application.

Fig. 5 is a schematic view showing a state in which the clamping ring is separated from the wedge-shaped block when the unlocking is performed according to the embodiment of the present application.

Fig. 6 is a schematic view of the state that the wedge-shaped block is separated from the tubular pile when unlocking according to the embodiment of the application.

Description of reference numerals: 10. a tubular pile; 1. a cross beam; 2. a first power member; 3. a first movable frame; 31. a screw; 4. a clamping ring; 41. an inclined surface; 5. a second power member; 6. a second movable frame; 61. a chute; 62. a slider; 63. hooking; 7. a connecting rod; 8. a wedge-shaped block; 81. rough surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses experimental fixing device of tubular pile resistance to plucking. Referring to fig. 1, the fixing device includes a cross beam 1 which is stationary relative to the ground, a first movable frame 3 is arranged at the bottom of the cross beam 1, a first power member 2 is installed between the cross beam 1 and the first movable frame 3, the first power member 2 is used for driving the first movable frame 3 to move up and down, a clamping ring 4 is hung at the bottom of the first movable frame 3, the clamping ring 4 is sleeved on the outer side of the pipe pile 10, an inclined surface 41 is arranged on the inner wall of the clamping ring 4, the inclined surface 41 inclines from top to bottom and is close to the pipe pile 10, namely, the inner diameter of the clamping ring 4 is gradually reduced from top to bottom.

Wherein, the bottom of first adjustable shelf 3 is provided with second adjustable shelf 6, installs second power spare 5 between second adjustable shelf 6 and the first adjustable shelf 3, and second power spare 5 is used for driving second adjustable shelf 6 and reciprocates. In this embodiment, the second movable frame 6 is a circular disk, and the diameter of the circular disk is larger than the diameter of the pipe orifice of the pipe pile 10, so that the pipe orifice can be conveniently covered.

Referring to fig. 1 and 2, a sliding groove 61 is radially formed in the bottom of the second movable frame 6, a sliding block 62 is slidably connected in the sliding groove 61, a hook 63 is threadedly connected to one side of the sliding block 62 away from the sliding groove 61, a connecting rod 7 is hung on the hook 63, a wedge block 8 is fixedly connected to one end of the connecting rod 7 away from the hook 63, the wedge block 8 can be slidably connected with the inclined surface 41, a rough surface 81 is arranged on one side of the wedge block 8 away from the inclined surface 41, and the rough surface 81 can abut against the outer wall of the tubular pile 10.

In this embodiment, the wedge-shaped blocks 8 are arranged into four blocks, the four wedge-shaped blocks 8 are arranged at equal intervals along the circumferential direction of the tubular pile 10, the four wedge-shaped blocks 8 are all provided with corresponding connecting rods 7 and sliding blocks 62, and the rough surfaces 81 of the four wedge-shaped blocks 8 can be abutted against the outer wall of the tubular pile 10. The first power part 2 is set as a first jack, the second power part 5 is set as a second jack, two ends of the first jack are respectively installed at the center of the cross beam 1 and the center of the first movable frame 3, two ends of the second jack are respectively installed on the first movable frame 3 and the second movable frame 6, the number of the second jack is two, and the two second jacks are respectively close to the wedge block 8 and are located above the wedge block 8.

In order to further improve the convenience of installing the clamping ring 4 and the first movable frame 3, a screw rod 31 is arranged between the first movable frame 3 and the clamping ring 4, one end of the screw rod 31 axially penetrates into the side wall of the clamping ring 4 and is in threaded connection with the side wall of the clamping ring 4, and the other end of the screw rod 31 penetrates through the first movable frame 3 and is fixedly connected with the second movable frame 6 through a bolt.

Referring to fig. 1, in the initial state, the wedge 8 is suspended above the inclined surface 41.

Referring to fig. 3, when the tubular pile 10 needs to be clamped, first, the first power member 2 is fixed, the second power member 5 is extended to drive the second movable frame 6 to move downwards, the wedge-shaped block 8 slides on the inclined surface 41, and the wedge-shaped block 8 and the sliding block 62 approach towards the axis of the tubular pile 10.

Referring to fig. 4, then, the first power member 2 contracts, the second power member 5 extends, the clamping ring 4 moves upwards, the wedge-shaped block 8 keeps relatively static in the height direction, and the clamping ring 4 pushes the wedge-shaped block 8 to abut against the tubular pile 10, so as to finish clamping the tubular pile 10.

Referring to fig. 5, when the tubular pile 10 needs to be unlocked, the first power member 2 is extended, the first movable frame 3 moves downwards to drive the clamping ring 4 to move downwards, and the second power member 5 is contracted, the second movable frame 6 remains relatively static, i.e. the wedge-shaped block 8 remains static, and the clamping ring 4 is separated from the wedge-shaped block 8 by a certain distance.

Referring to fig. 6, next, the first power member 2 is stopped, the second power member 5 is extended, the second movable frame 6 moves downward, the wedge-shaped block 8 is pushed to move obliquely toward the outer side of the tubular pile 10, the wedge-shaped block 8 is separated from the outer wall of the tubular pile 10, and the tubular pile 10 is unlocked.

The implementation principle of the fixing device for the tubular pile pulling resistance test in the embodiment of the application is as follows: the device simple structure, the dismouting is fast, can effectively reduce the dismouting time, and the device utilizes mechanical drive to realize pressing from both sides tightly and the unblock to tubular pile 10 simultaneously, and control is convenient and stable, can effectively improve the resistance to plucking test efficiency to tubular pile 10.

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 experimental fixing device of tubular pile resistance to plucking which characterized in that: including crossbeam (1), the bottom of crossbeam (1) is provided with first adjustable shelf (3), be provided with between first adjustable shelf (3) and crossbeam (1) and be used for driving first power spare (2) that first adjustable shelf (3) reciprocated, the bottom of first adjustable shelf (3) is fixed with clamp ring (4), the inside wall of clamp ring (4) is equipped with inclined plane (41), inclined plane (41) from the top down inclines towards tubular pile (10) and is close to, sliding connection has wedge-shaped piece (8) on inclined plane (41), one side that wedge-shaped piece (8) kept away from inclined plane (41) is used for the outer wall butt with tubular pile (10), the quantity of wedge-shaped piece (8) is no less than two.

2. The fixing device for the tubular pile pulling resistance test of claim 1, which is characterized in that: the bottom of first adjustable shelf (3) is provided with second adjustable shelf (6), be provided with between second adjustable shelf (6) and first adjustable shelf (3) and be used for driving second adjustable shelf (6) second power component (5) that reciprocate, be connected with connecting rod (7) between second adjustable shelf (6) and wedge piece (8), the one end and the second adjustable shelf (6) sliding connection of connecting rod (7), the slip direction of connecting rod (7) is radially unanimous with clamp ring (4), the other end and wedge piece (8) fixed connection of connecting rod (7).

3. The fixing device for the tubular pile pulling resistance test of claim 2, wherein: the second movable frame (6) is arranged to be a disc, and the disc can be abutted to the end part, exposed out of the ground, of the tubular pile (10).

4. The fixing device for the tubular pile pulling resistance test of claim 3, wherein: the bottom sliding connection of disc has slider (62), one side that second adjustable shelf (6) was kept away from in slider (62) is provided with couple (63), the one end of connecting rod (7) is through couple (63) and slider (62) fixed connection.

5. The fixing device for the tubular pile pulling resistance test of claim 4, is characterized in that: first power spare (2) set up to first jack, the output and crossbeam (1) fixed connection of first jack, the bottom and first adjustable shelf (3) fixed connection of first jack, second power spare (5) set up to the second jack, the output of second jack and the bottom fixed connection of first adjustable shelf (3), the bottom and the disc fixed connection of second jack.

6. The fixing device for the tubular pile pulling resistance test of claim 5, wherein: the number of the second jacks is not less than two, and the installation positions of the second jacks are arranged close to the wedge-shaped blocks (8).

7. The fixing device for the tubular pile pulling resistance test of claim 1, which is characterized in that: one side of the wedge-shaped block (8) far away from the inclined surface (41) is provided with a rough surface (81).

8. The fixing device for the tubular pile pulling resistance test of claim 1, which is characterized in that: a screw rod (31) is arranged between the first movable frame (3) and the clamping ring (4), one end of the screw rod (31) is in threaded connection with the clamping ring (4), and the other end of the screw rod (31) is fixedly connected with the first movable frame (3) through a bolt.