CN218148560U

CN218148560U - Pile foundation static load bearing capacity detection device

Info

Publication number: CN218148560U
Application number: CN202222735314.9U
Authority: CN
Inventors: 赖斌; 葛俊
Original assignee: Ningbo Junzheng Testing Technology Co ltd
Current assignee: Ningbo Junzheng Testing Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2022-12-27
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the technical field of pile foundation bearing capacity experiment technique and specifically relates to a pile foundation static load bearing capacity detection device is related to, and it includes pile body and base, and the standing groove has been seted up to the base, and the pile body is placed in the standing groove, and the cell wall of standing groove both sides all is provided with the shifting board, and one side butt in the lateral wall of pile body of shifting board, the lower terminal surface of shifting board slides with the tank bottom of standing groove and is connected. This application has and can improve the effect that pile foundation placed stability in carrying out pile foundation static load bearing capacity experimentation.

Description

Pile foundation static load bearing capacity detection device

Technical Field

The application relates to the field of pile foundation bearing capacity experiment technology, in particular to a pile foundation static load bearing capacity detection device.

Background

The static load test of the pile foundation is a technology for detecting the bearing capacity of the pile foundation in engineering. When carrying out pressure test to the pile foundation, generally directly exert pressure to the pile foundation, survey the maximum bearing pressure of pile foundation through the static test device.

Chinese patent with application number CN216586707U discloses a static load test device for pile foundation detection, including pile foundation and loading board, in the pile foundation buries soil, the loading board sets up at the top of pile foundation, and the spacing groove has been seted up to the top wall of pile foundation, and the spacing groove is the groove of rectangle structure, and the position fixed mounting that the bottom wall of loading board corresponds the spacing groove has the stopper, and the stopper is located the position of spacing groove. The equal fixed mounting in bottom wall left and right sides of loading board has the gauge rod, and the bottom fixed mounting of gauge rod has pressure sensors, and the top wall of loading board corresponds the fixed position of gauge rod and installs the pilot lamp, through wire electric connection between pilot lamp and the pressure sensors, has all seted up the scale on the gauge rod and on the pile foundation. When the distance that the pile foundation drove the measuring pole and removed was too big, the pressure sensors of measuring pole bottom and ground after the contact, pressure sensors will be triggered, pressure sensors will start the pilot lamp after being triggered, operating personnel can observe the pressure bearing limit of pile foundation, thereby stop to place the balancing weight on the loading board, the bearing capacity of pile foundation this moment can be obtained through the weight of measuring balancing weight on the loading board this moment, and then easy operation has been reached, and carry out the effect of suggestion to operating personnel when pile foundation limit pressure.

To the correlation technique in the foregoing, the inventor thinks that the detection lever is gone up and all seted up the scale on the pile foundation, can observe the distance that the pile foundation moved down under loading board pressure through observing scale and external reference thing, and in the soil was inserted to the one end of pile foundation, the loading board is connected to the other end, place the balancing weight on the loading board, constantly place the in-process of a plurality of balancing weights on the loading board, the one end of keeping away from the soil because of the pile foundation lasts the bearing, lead to the pile foundation easily to take place the slope and rock, thereby lead to reading the scale not accurate, influence the experiment precision.

SUMMERY OF THE UTILITY MODEL

In order to carry out the stability of placing that can improve the pile foundation in the pile foundation static load bearing capacity experimentation, this application provides a pile foundation static load bearing capacity detection device.

The application provides a pile foundation static load bearing capacity detection device adopts following technical scheme:

the utility model provides a pile foundation static load bearing capacity detection device, includes pile body and base, the standing groove has been seted up to the base, the pile body place in the standing groove, the cell wall of standing groove both sides all is provided with the shifting board, one side butt of shifting board in the lateral wall of pile body, the lower terminal surface of shifting board with the tank bottom of standing groove slides and is connected.

By adopting the technical scheme, the pile body is placed in the placing groove, one side of the sliding plate is connected with the groove wall of the placing groove, one side of the sliding plate is abutted against the outer side wall of the pile body, and the two sliding plates clamp the pile body, so that the pile body is not easy to tilt and rock in the horizontal direction, and the placing stability of the pile foundation is improved in the static load bearing capacity experiment process of the pile foundation; the lower terminal surface that sets up the slide board slides with the tank bottom of standing groove and is connected, and two slide boards of being convenient for carry out the centre gripping to the pile body of different specifications, increase this application pile foundation static load bearing capacity detection device's practicality.

Optionally, the groove walls on two sides of the placing groove are provided with first elastic pieces, and one side of the sliding plate, which is far away from the pile body, is connected to one end of each first elastic piece.

Through adopting above-mentioned technical scheme, first elastic component has elasticity, and the one end of first elastic component is connected in the cell wall of standing groove, and the other end of first elastic component is connected in the one side that the pile body was kept away from to the slide board, and this setting can make the slide board slide at the tank bottom of standing groove to the pile body that is applicable to different specifications carries out the dead load bearing capacity and detects the experiment.

Optionally, a plurality of joint holes have been seted up to the tank bottom of standing groove, the lower terminal surface of shifting board is provided with the joint ball, the joint ball joint in the joint is downthehole.

By adopting the technical scheme, after the two sliding plates clamp the pile body, the clamping ball is clamped in the clamping hole, so that the connection stability between the lower end surface of the sliding plate and the bottom of the placing groove is improved; the butt effect of the sliding plate side wall to the pile body outer side wall is further increased, correspondingly, the placing stability of the pile body in the placing groove is increased, and the pile body is not prone to tilting and shaking in the experiment process.

Optionally, the device further comprises a bottom plate and a fixing plate connected to the upper end face of the bottom plate, the upper end face of the fixing plate is fixedly connected with a sensor, and the upper end face of the sensor is fixedly connected with the base.

Through adopting above-mentioned technical scheme, the up end fixedly connected with sensor of fixed plate, the up end fixed connection of sensor in base, the pile body is located the standing groove of base, and the sensor detects the dead load power that bears of pile body.

Optionally, the both sides of bottom plate all are provided with the bracing piece, the lateral wall of bracing piece is provided with spacing subassembly, spacing subassembly includes the joint claw, the joint groove has been seted up to the joint claw, the pile body is kept away from the lateral wall butt of the one end of base in the cell wall in joint groove.

Through adopting above-mentioned technical scheme, the lateral wall butt of the one end of base is kept away from to the pile body in the cell wall in joint groove, and this setting is kept away from the one end of base with the pile body and is carried on spacingly, further makes the pile body rock at the difficult emergence slope of horizontal direction, increases the stability of placing of pile body in the experimentation.

Optionally, the limiting assembly further comprises a connecting rod, one end of the connecting rod is fixedly connected to one side, close to the pile body, of the supporting rod, and the other end of the connecting rod is rotatably connected with one end, far away from the pile body, of the clamping claw.

By adopting the technical scheme, one end of the connecting rod is fixedly connected to one side of the supporting rod close to the pile body, the other end of the connecting rod is rotatably connected with one end, far away from the pile body, of the clamping claw, and when the clamping claw needs to be connected to the outer side wall of the pile body, the clamping claw is rotated, so that the outer side wall, far away from the base, of one end of the pile body abuts against the groove wall of the clamping groove; when the pile body needs to be taken out of the placing groove, the clamping claw is rotated, and one end, far away from the base, of the pile body is separated from the clamping claw. The clamping claw is convenient to connect or separate the pile body at any time.

Optionally, one side of the supporting rod, which is close to the pile body, is provided with a butt plate, and one side of the butt plate is in butt connection with the side wall of the connecting rod.

Through adopting above-mentioned technical scheme, one side butt of butt plate in the lateral wall of connecting rod, this setting can make the butt plate support the connecting rod, increases the connection stability of connecting rod.

Optionally, the length of the side wall of the abutting plate close to the connecting rod is greater than that of the connecting rod.

Through adopting above-mentioned technical scheme, the lateral wall length that the butt plate is close to connecting rod department is greater than the length of connecting rod, and this sets up the connection stability that further increases the joint claw that is connected with the connecting rod, improves the joint effect of joint claw and pile body simultaneously.

Optionally, a lubricating layer is arranged on the groove wall of the clamping groove.

Through adopting above-mentioned technical scheme, the cell wall in joint groove is provided with the lubricant film, reduces because the experimental testing result of the static load bearing capacity that frictional force that the cell wall butt in joint groove produced when the pile body lateral wall influences the pile body.

Optionally, the bracing piece is kept away from the one end of bottom plate is connected with the horizontal pole, the lateral wall of horizontal pole runs through there is the hydraulic stem, the hydraulic stem is provided with two, the flexible end of hydraulic stem is connected with the locating plate, the locating plate is kept away from one side of hydraulic stem is connected with the hammering head, the hammering head is located directly over the pile body.

Through adopting above-mentioned technical scheme, the hydraulic stem can stretch out and draw back, drives the locating plate and goes up and down with the hammering head that the locating plate is connected, because the hammering head is located the pile body directly over to make the hammering head carry out the hammering to the upper end of pile body, with the biggest load that can bear when testing pile body normal use.

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

1. the pile body is placed in the placing groove, one side of the sliding plate is connected with the groove wall of the placing groove, one side of the sliding plate is abutted against the outer side wall of the pile body, and the two sliding plates clamp the pile body, so that the pile body is not easy to tilt and rock in the horizontal direction, and the placing stability of the pile foundation is improved in the static load bearing capacity experiment process of the pile foundation; the lower end face of the sliding plate is connected with the bottom of the placing groove in a sliding mode, so that the two sliding plates can clamp pile bodies with different specifications conveniently, and the practicability of the pile foundation static load bearing capacity detection device is improved;

2. the first elastic piece has elasticity, one end of the first elastic piece is connected to the groove wall of the placing groove, the other end of the first elastic piece is connected to one side, away from the pile body, of the sliding plate, and the sliding plate can slide at the groove bottom of the placing groove so as to be suitable for pile bodies of different specifications to carry out static load bearing capacity detection experiments;

3. after the two sliding plates clamp the pile body, the clamping ball is clamped in the clamping hole, so that the connection stability between the lower end surface of the sliding plate and the bottom of the placing groove is improved; the butt effect of the sliding plate side wall to the pile body outer side wall is further increased, correspondingly, the placing stability of the pile body in the placing groove is increased, and the pile body is not prone to tilting and shaking in the experiment process.

Drawings

Fig. 1 is an overall structure schematic diagram of a pile foundation static load bearing capacity detection device in an embodiment of the present application.

Fig. 2 is a schematic diagram of a partial fracture explosion of the device for detecting the static load bearing capacity of the pile foundation in the embodiment of the application.

Figure 3 is an exploded view of a stop assembly in an embodiment of the present application.

Description of the reference numerals: 1. a pile body; 2. a base; 21. a placement groove; 22. a slide plate; 23. a first elastic member; 24. clamping the ball; 25. a clamping hole; 3. a base plate; 31. a support bar; 32. a cross bar; 33. a hydraulic rod; 34. positioning a plate; 35. a hammering head; 36. a controller; 37. a butt joint plate; 38. a limiting component; 381. clamping a connecting claw; 3811. a clamping groove; 3812. a lubricating layer; 3813. rotating the rod; 382. a connecting rod; 3821. connecting grooves; 3822. rotating the hole; 4. a sensor; 5. and (7) fixing the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses pile foundation static load bearing capacity detection device. Referring to fig. 1, the device for detecting the static load bearing capacity of the pile foundation comprises a pile body 1, a base 2, a bottom plate 3 and a fixing plate 5 connected to the upper end surface of the bottom plate 3, wherein the lower end surface of the bottom plate 3 is attached to the ground. The upper end face of the fixed plate 5 is fixedly connected with a sensor 4, and the upper end face of the sensor 4 is connected with a base 2. The base 2 is provided with a placing groove 21, and the pile body 1 is placed in the placing groove 21.

Referring to fig. 1, the both sides of bottom plate 3 up end all have welded bracing piece 31, and the one end that bottom plate 3 was kept away from to bracing piece 31 is connected with horizontal pole 32, and both ends weld with the one end that bottom plate 3 was kept away from to bracing piece 31 simultaneously about horizontal pole 32. The lateral wall of horizontal pole 32 has run through hydraulic stem 33, and hydraulic stem 33 is provided with two, and the flexible end fixedly connected with locating plate 34 of hydraulic stem 33, one side that locating plate 34 kept away from hydraulic stem 33 is connected with hammering head 35, and hammering head 35 is located pile body 1 directly over.

One side of one of the support rods 31, which is far away from the pile body 1, is provided with a controller 36, an electrical output end of the controller 36 is electrically connected with an electrical input end of the hydraulic rod 33 through a wire, and an electrical input end of the controller 36 is electrically connected with an electrical output end of the sensor 4. Specifically, the controller 36 controls the hydraulic rod 33 to extend and retract, that is, the hammering head 35 is controlled to hammer the pile body 1; the sensor 4 is used for detecting the static load bearing capacity of the pile body 1.

In the embodiment of the present application, in order to improve the placing stability of the pile body 1 in the placing groove 21 in the static load bearing capacity detection experiment of the pile body 1, the sliding plate 22 is provided in the placing groove 21, and the limiting component 38 is provided at one end of the pile body 1 far away from the base 2.

Referring to fig. 1 and 2, a sliding plate 22 is arranged in the placing groove 21, first elastic members 23 are welded to groove walls on two sides of the placing groove 21, one end of each first elastic member 23 is welded to one side of the sliding plate 22, specifically, the two sliding plates 22 are arranged, and the first elastic members 23 are springs. The lower end face of the sliding plate 22 is connected with the groove bottom of the placing groove 21 in a sliding mode, and the sliding plate 22 is arc-shaped. One side of the sliding plate 22 away from the first elastic element 23 abuts against the outer side wall of the pile body 1.

The lower end face of the sliding plate 22 is in threaded connection with a ball plunger, one end of the ball plunger, which is far away from the sliding plate 22, is connected with a clamping ball 24, and the clamping ball 24 protrudes out of the lower end face of the sliding plate 22. The bottom of the placing groove 21 is provided with a plurality of clamping holes 25, the clamping holes 25 are positioned on the same horizontal line, and the clamping balls 24 are clamped in the clamping holes 25.

Referring to fig. 3, the stopper assembly 38 includes a catching jaw 381 and a connection rod 382. Specifically, in the present embodiment, two of the limiting assemblies 38 are provided.

Referring to fig. 1 and 3, one end of the connecting rod 382 is welded to one side of the support rod 31 close to the pile body 1, and the other end of the connecting rod 382 is rotatably connected to the clamping claw 381.

Referring to fig. 1 and 3, the engaging claw 381 has a rod shape in a part and an arc block shape in a part. The clamping claw 381 is provided with a clamping groove 3811, and a lubricating layer 3812 is coated on the groove wall of the clamping groove 3811. The outer side wall of one end of the pile body 1 far away from the base 2 abuts against the groove wall of the clamping groove 3811.

Referring to fig. 1 and 3, a connecting groove 3821 is formed at one end of the connecting rod 382 close to the clamping claw 381, and a rotating hole 3822 is formed at both side groove walls of the connecting groove 3821. The clamping claw 381 is rod-shaped, one end of the clamping claw 381 close to the connecting rod 382 is provided with a rotating rod 3813 in a penetrating mode, two ends of the rotating rod 3813 protrude out of the outer side wall of the clamping claw 381, and two ends of the rotating rod 3813 are inserted into the rotating holes 3822 one by one and rotate.

Referring to fig. 1, a side of the support rod 31 close to the pile body 1 is provided with an abutting plate 37, one side of the abutting plate 37 abuts against a side wall of the connecting rod 382, and a length of the side wall of the abutting plate 37 close to the connecting rod 382 is greater than a length of the side wall of the connecting rod 382 close to the abutting plate 37.

The implementation principle of the pile foundation static load bearing capacity detection device in the embodiment of the application is as follows: firstly, the pile body 1 is placed in the placing groove 21, the sliding plate 22 is moved, one side, far away from the first elastic piece 23, of the sliding plate 22 is abutted against the outer side wall of the lower end of the pile body 1, and meanwhile, the clamping ball 24 is clamped in the clamping hole 25; then, the clamping claw 381 is rotated, so that the groove wall of the clamping groove 3811 abuts against the outer side wall of the upper end of the pile body 1; finally, the hydraulic rod 33 is controlled to stretch and retract through the controller 36, the positioning plate 34 is driven to lift, the hammering head 35 is controlled to hammer the upper end of the pile body 1, and the sensor 4 located on the upper end face of the fixing plate 5 detects the static load bearing capacity of the pile body 1 in the base 2.

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 pile foundation static load bearing capacity detection device which characterized in that: including pile body (1) and base (2), standing groove (21) have been seted up in base (2), pile body (1) place in standing groove (21), the cell wall of standing groove (21) both sides all is provided with slide plate (22), one side butt of slide plate (22) in the lateral wall of pile body (1), the lower terminal surface of slide plate (22) with the tank bottom of standing groove (21) slides and is connected.

2. The pile foundation static load bearing capacity detection device of claim 1, characterized in that: the groove walls on two sides of the placing groove (21) are provided with first elastic pieces (23), and one side, far away from the pile body (1), of the sliding plate (22) is connected to one end of each first elastic piece (23).

3. The pile foundation static load bearing capacity detection device of claim 2, characterized in that: a plurality of clamping holes (25) are formed in the bottom of the placing groove (21), clamping balls (24) are arranged on the lower end face of the sliding plate (22), and the clamping balls (24) are clamped in the clamping holes (25).

4. The pile foundation static load bearing capacity detection device of claim 1, characterized in that: still include bottom plate (3) and connect in fixed plate (5) of bottom plate (3) up end, the up end fixedly connected with sensor (4) of fixed plate (5), the up end fixedly connected with of sensor (4) base (2).

5. The pile foundation static load bearing capacity detection device of claim 4, wherein: the both sides of bottom plate (3) all are provided with bracing piece (31), the lateral wall of bracing piece (31) is provided with spacing subassembly (38), spacing subassembly (38) are including joint claw (381), joint groove (3811) have been seted up to joint claw (381), pile body (1) is kept away from the lateral wall butt of the one end of base (2) in the cell wall of joint groove (3811).

6. The pile foundation static load bearing capacity detection device of claim 5, characterized in that: the limiting assembly (38) further comprises a connecting rod (382), one end of the connecting rod (382) is fixedly connected to one side, close to the pile body (1), of the supporting rod (31), and the other end of the connecting rod (382) is rotatably connected with one end, far away from the pile body (1), of the clamping claw (381).

7. The pile foundation static load bearing capacity detection device of claim 6, wherein: one side of the support rod (31) close to the pile body (1) is provided with a butt joint plate (37), and one side of the butt joint plate (37) is in butt joint with the side wall of the connecting rod (382).

8. The device for detecting the static load bearing capacity of the pile foundation according to claim 7, wherein: the length of the side wall of the abutting plate (37) close to the connecting rod (382) is larger than that of the connecting rod (382).

9. The pile foundation static load bearing capacity detection device of claim 5, wherein: and a lubricating layer (3812) is arranged on the groove wall of the clamping groove (3811).

10. The device for detecting the static load bearing capacity of the pile foundation according to claim 8, wherein: keep away from bracing piece (31) the one end of bottom plate (3) is connected with horizontal pole (32), the lateral wall of horizontal pole (32) runs through hydraulic stem (33), hydraulic stem (33) are provided with two, the flexible end of hydraulic stem (33) is connected with locating plate (34), locating plate (34) are kept away from one side of hydraulic stem (33) is connected with hammering head (35), hammering head (35) are located directly over pile body (1).