CN219240658U

CN219240658U - Protection device for standard penetration test

Info

Publication number: CN219240658U
Application number: CN202320824802.9U
Authority: CN
Inventors: 李根强; 贾海鹏; 侯刘锁
Original assignee: Shenzhen Shenkan Engineering Consulting Co ltd
Current assignee: Shenzhen Shenkan Engineering Consulting Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-23
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a protection device for a standard penetration test, which comprises a base and an overhanging component, wherein one side of one end of the base is provided with supporting legs, the upper end of the base is provided with a supporting frame, the overhanging component is provided with the upper ends of the supporting legs, the overhanging component comprises a short rotating shaft, a long rod, a long rotating shaft, a sliding block, a clamping rod and a sliding rail, the upper end of the short rotating shaft is provided with the long rod, one end of the long rod far away from the short rotating shaft is provided with the sliding block, and the front end of the sliding block is provided with the clamping rod. This a protection device for standard runs through experiment compares with current protection device, has increased the contact surface of support frame and ground through the supporting leg to make the support frame be difficult for the slope when equipment hammering ground, protection equipment steady operation just changes the weight through rotatory bracelet, thereby is convenient for change the weight under emergency, just can take off the weight under the instrument circumstances such as need not wrench, improves the practicality of equipment.

Description

Protection device for standard penetration test

Technical Field

The utility model relates to the technical field of protection devices, in particular to a protection device for a standard penetration test.

Background

The standard penetration test is a method for measuring the foundation bearing capacity of sand or clay on site, the method freely hammers the foundation from a certain specific height by measuring a weight hammer with a specified weight, and the hammering number when the penetration depth reaches a certain value is used for evaluating the property and bearing capacity of the foundation soil at the position, the standard penetration test is a foundation exploration method combining exploration and in-situ test, the approximate standard value of the foundation bearing capacity of the clay can be simply, conveniently and rapidly obtained, and standard penetration equipment and a protection device are combined in the standard penetration test to protect personnel and equipment.

At present, in the process of detecting the bearing capacity of a foundation, as a heavy hammer hammers the foundation, equipment is easy to vibrate, the vibration amplitude is too large, equipment is easy to incline and collapse, the standard test cannot be continuously performed, and aiming at the situation, the technical innovation is performed on the basis of the existing protection device.

Disclosure of Invention

The present utility model is directed to a protection device for a penetration test, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protection device for mark runs through test, includes base and overhanging subassembly, one end one side of base all is provided with the supporting leg, and the upper end of base is provided with the support frame, overhanging subassembly is provided with the upper end of supporting leg, and overhanging subassembly includes short axis of rotation, stock, long axis of rotation, slider, screens stick and slide rail, the upper end of short axis of rotation is provided with the stock, and the one end that the short axis of rotation was kept away from to the stock is provided with the slider, the front end of slider is provided with the screens stick, the one end that the slider is close to the support frame axis is provided with the slide rail.

Further, the upper end of supporting leg runs through has the reinforcement subassembly, and the reinforcement subassembly includes spike and stopper, the outside of spike is provided with the stopper.

Further, the reinforcement assembly further comprises a spring and a sliding groove, the lower end of the limiting block is provided with the spring, and the sliding groove is formed in the supporting leg.

Further, the front end of the support frame is provided with a protective net, and the inner side of the support frame is provided with an air cylinder.

Further, an assembling disc is arranged at the lower end of the air cylinder, and a heavy hammer penetrates through the lower end of the assembling disc.

Furthermore, one side of one end of the inner part of the assembly plate is provided with an inner groove, and an installation component is arranged in the inner groove.

Further, the installation component includes to support pressure head and ball, and supports the pressure head and be close to the one end of equipment dish axis and be provided with the ball.

Further, the installation component still includes screw and bracelet, the lower extreme of supporting the pressure head is provided with the screw, and the lower extreme of screw is provided with the bracelet.

Compared with the prior art, the utility model has the beneficial effects that: the contact surface of the support frame and the ground is increased through the support legs, so that the support frame is not easy to incline when equipment hammers the ground, the equipment is protected to run stably, and the heavy hammer is replaced by rotating the bracelet, so that the heavy hammer is convenient to replace in emergency, the heavy hammer can be taken down without tools such as a wrench, and the practicability of the equipment is improved.

1. According to the utility model, the support legs, the short rotating shafts, the long rods, the long rotating shafts, the sliding blocks, the clamping bars, the sliding rails and the supporting frames are arranged, an operator pulls the support legs outwards from the supporting frames, so that the lower ends of the long rods outwards expand along with the outwards opening of the support legs, the long rotating shafts connected with the two ends of the long rods outwards expand, the long rotating shafts are stretched downwards when the long rods outwards expand, the sliding blocks are driven to downwards move on the sliding rails by the long rotating shafts, when the support legs are placed on the ground, the clamping bars on the sliding blocks are clamped into the holes on the sliding rails, the sliding blocks cannot continue to slide on the sliding rails, the contact surface between the supporting frames and the ground is increased through the support legs, so that the supporting frames are not easy to incline when equipment hammers the ground, and the equipment is protected to stably run.

2. According to the utility model, when the heavy hammer needs to be replaced, an operator rotates the hand ring, the hand ring rotates to drive the screw to rotate, the rotating screw moves downwards to drive the pressing head to move downwards, the pressing head can not press the ball, the ball is loosened and is not clamped on the surface of the heavy hammer, then the operator removes the heavy hammer from the assembly disc, at the moment, the ball is retracted into the inner groove under the extrusion of the protrusion of the surface of the heavy hammer, then another heavy hammer is inserted into the assembly disc, the hand ring rotates to enable the ball to protrude out of the inner groove, so that the ball is clamped against the surface of the heavy hammer, the heavy hammer is installed, the heavy hammer is convenient to replace in emergency, the heavy hammer can be removed without tools such as a wrench, and the practicability of equipment is improved.

Drawings

FIG. 1 is a schematic elevational view of a protective device for a penetration test according to the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of a protective device for use in a pilot test according to the present utility model;

FIG. 3 is an enlarged schematic view of the protecting device for the penetration test of FIG. 2;

FIG. 4 is an enlarged schematic view of the protective device for a penetration test of FIG. 2;

fig. 5 is a schematic view showing a perspective structure of a long rotating shaft and a sliding block of a protection device for a penetration test according to the present utility model.

In the figure: 1. a base; 2. support legs; 3. an overhanging assembly; 301. a short rotation shaft; 302. a long rod; 303. a long rotation shaft; 304. a slide block; 305. a clamping rod; 306. a slide rail; 4. a support frame; 5. a protective net; 6. a reinforcement assembly; 601. a spike; 602. a limiting block; 603. a spring; 604. a chute; 7. a cylinder; 8. assembling a disc; 9. a heavy hammer; 10. a mounting assembly; 1001. a pressing head; 1002. a round bead; 1003. a screw; 1004. a bracelet; 11. an inner tank.

Detailed Description

As shown in fig. 1, 2, 3 and 5, a protection device for a standard test comprises a base 1 and an overhanging component 3, wherein one side of one end of the base 1 is provided with a supporting leg 2, the upper end of the base 1 is provided with a supporting frame 4, the overhanging component 3 is provided with the upper end of the supporting leg 2, the overhanging component 3 comprises a short rotating shaft 301, a long rod 302, a long rotating shaft 303, a sliding block 304, a clamping rod 305 and a sliding rail 306, the upper end of the short rotating shaft 301 is provided with the long rod 302, one end of the long rod 302 far away from the short rotating shaft 301 is provided with the sliding block 304, the front end of the sliding block 304 is provided with the clamping rod 305, one end of the sliding block 304 close to the central axis of the supporting frame 4 is provided with the sliding rail 306, an operator slightly pulls the supporting leg 2 outwards from the supporting frame 4, the lower end of the long rod 302 outwards expands along with the outward opening of the supporting leg 2, the long rotating shaft 303 connected with the two ends rotates with the short rotating shaft 301 and a connecting part when the long rod 302 outwards expands, the extended long rod 302 stretches the rotating shaft 303 downwards, the long rotating shaft 303 drives the sliding block 304 to enable the sliding block 304 to move downwards on the sliding rail 306, when the supporting leg 2 is placed on the ground, the clamping rod 305 on the sliding block 304 is clamped into a hole groove on the sliding rail 306, the sliding block 304 cannot slide on the sliding rail 306, the supporting leg 2 increases the contact surface between the supporting frame 4 and the ground, so that the supporting frame 4 is not easy to incline when equipment hammers the ground, the equipment is protected to run stably, the upper end of the supporting leg 2 penetrates through the reinforcing component 6, the reinforcing component 6 comprises a long nail 601 and a limiting block 602, the outer side of the long nail 601 is provided with the limiting block 602, the reinforcing component 6 also comprises a spring 603 and a sliding groove 604, the lower end of the limiting block 602 is provided with the spring 603, the inside of the supporting leg 2 is provided with the sliding groove 604, the front end of the supporting frame 4 is provided with the protective net 5, the operating personnel fix the protection network 5 with the bolt in the outside of support frame 4, keep apart personnel in the equipment outside, play protection personnel's effect, operating personnel presses spike 601, make spike 601 pass supporting leg 2 and nail into ground, bump on the spike 601 slides in spout 604 during the pressing, stopper 602 on the spike 601 compresses spring 603 simultaneously, when the bump on the spike 601 runs into the recess in spout 604, make bump on the spike 601 and the recess block in spout 604 under the reverse promotion of spring 603, thereby make the spike 601 can be fixed to ground, supporting leg 2 is fixed subaerial by spike 601 this moment, thereby increase bearing structure bulk strength, support frame 4's empting has been prevented.

As shown in fig. 4, the lower end of the cylinder 7 is arranged at the inner side of the supporting frame 4, an assembling disc 8 is arranged at the lower end of the cylinder 7, a heavy hammer 9 penetrates through the lower end of the assembling disc 8, an inner groove 11 is arranged at one side of one end of the inner part of the assembling disc 8, an installing component 10 is arranged in the inner groove 11, the installing component 10 comprises a pressing head 1001 and a round bead 1002, the round bead 1002 is arranged at one end of the pressing head 1001, which is close to the central axis of the assembling disc 8, the installing component 10 also comprises a screw 1003 and a hand ring 1004, the screw 1003 is arranged at the lower end of the pressing head 1001, the hand ring 1004 is arranged at the lower end of the screw 1003, when the heavy hammer 9 needs to be replaced, an operator rotates the hand ring 1004, the hand ring 1004 rotates to drive the screw 1003 to rotate, the rotating screw 1003 moves downwards to drive the pressing head 1001 to move downwards, so that the pressing head 1001 does not press the ball 1002 any more, the ball 1002 is loosened, the ball 1002 is no longer clamped against the surface of the heavy hammer 9, then an operator removes the heavy hammer 9 from the assembly disc 8, the ball 1002 is retracted into the inner groove 11 under the extrusion of the protrusion of the surface of the heavy hammer 9, then another heavy hammer 9 is inserted into the assembly disc 8, the bracelet 1004 is rotated, the ball 1002 protrudes out of the inner groove 11, the ball 1002 is clamped against the surface of the heavy hammer 9, the heavy hammer 9 is installed, the heavy hammer 9 is convenient to replace under emergency conditions, the heavy hammer 9 can be removed under the condition that tools such as a wrench are not needed, and the practicability of equipment is improved.

Working principle: when the protection device for the standard experiment is used, firstly, an operator lightly pulls the supporting leg 2 outwards from the supporting frame 4 to enable the lower end of the long rod 302 to outwards expand along with the outward opening of the supporting leg 2, the long rotating shaft 303 connected with the two ends rotates with the short rotating shaft 301 and the connecting part when the long rod 302 outwards expands, the rotating shaft 303 is stretched downwards by the expanding long rod 302, the sliding block 304 is driven by the long rotating shaft 303 to move downwards by the sliding block 304 on the sliding rail 306, when the supporting leg 2 is placed on the ground, the clamping rod 305 on the sliding block 304 is clamped into a hole groove on the sliding rail 306, the sliding block 304 cannot slide on the sliding rail 306 continuously, the contact surface between the supporting frame 4 and the ground is increased through the supporting leg 2, so that the supporting frame 4 is not easy to incline, then the operator presses the long nail 601 to penetrate through the supporting leg 2 to the ground, the protruding point slides in the sliding groove 604 when the protruding point is pressed, simultaneously, the limiting block 602 on the long nail 601 compresses the spring 603, when the salient point on the long nail 601 meets the groove in the sliding groove 604, the salient point on the long nail 601 is clamped with the groove in the sliding groove 604 of the sliding groove 604 under the reverse pushing of the spring 603, so that the long nail 601 can be fixed on the ground, at the moment, the supporting leg 2 is fixed on the ground by the long nail 601, the integral strength of the supporting structure is increased, the toppling of the supporting frame 4 is prevented, then an operator fixes the protective net 5 on the outer side of the supporting frame 4 by bolts, the cylinder 7 operates to drive the heavy hammer 9 to hammer the ground, then the pressure sensor in the heavy hammer 9 detects that data is transmitted to the detection equipment by a wire, so that the detection personnel can analyze the soil property and the size of the bearing capacity of the ground, when the heavy hammer 9 needs to be replaced, the operator rotates the hand ring 1004, the hand ring 1004 rotates to drive the screw 1003 to rotate, the rotating screw 1003 moves downwards to drive the pressing head 1001 to move downwards, so that the pressing head 1001 does not press the ball 1002 any more, the ball 1002 is loosened, the ball 1002 is no longer clamped against the surface of the heavy hammer 9, then the heavy hammer 9 is taken down from the assembly disc 8 by an operator, the ball 1002 is retracted into the inner groove 11 under the extrusion of the protrusion of the surface of the heavy hammer 9, then another heavy hammer 9 is inserted into the assembly disc 8, the bracelet 1004 is rotated, the ball 1002 protrudes out of the inner groove 11, and the ball 1002 is clamped against the surface of the heavy hammer 9, so that the heavy hammer 9 is installed.

Claims

1. The utility model provides a protection device for standard runs through experiment, includes base (1) and overhanging subassembly (3), a serial communication port, one end one side of base (1) all is provided with supporting leg (2), and the upper end of base (1) is provided with support frame (4), overhanging subassembly (3) are provided with the upper end of supporting leg (2), and overhanging subassembly (3) are including short axis of rotation (301), stock (302), long axis of rotation (303), slider (304), screens stick (305) and slide rail (306), the upper end of short axis of rotation (301) is provided with stock (302), and the one end that short axis of rotation (301) was kept away from to stock (302) is provided with slider (304), the front end of slider (304) is provided with screens stick (305), the one end that slider (304) are close to support frame (4) axis is provided with slide rail (306).

2. The protection device for the standard penetration test according to claim 1, wherein the upper end of the supporting leg (2) is penetrated with a reinforcing component (6), the reinforcing component (6) comprises a long nail (601) and a limiting block (602), and the limiting block (602) is arranged on the outer side of the long nail (601).

3. A protection device for a standard test according to claim 2, characterized in that the reinforcement assembly (6) further comprises a spring (603) and a chute (604), the lower end of the stopper (602) is provided with the spring (603), and the inside of the support leg (2) is provided with the chute (604).

4. The protection device for the penetration test according to claim 1, wherein the front end of the supporting frame (4) is provided with a protection net (5), and the inner side of the supporting frame (4) is provided with a cylinder (7).

5. The protection device for the standard test according to claim 4, wherein the lower end of the cylinder (7) is provided with an assembling disc (8), and the lower end of the assembling disc (8) is penetrated by a weight (9).

6. The protection device for the penetration test according to claim 5, wherein the inner end sides of the assembly plate (8) are provided with inner grooves (11), and the inner parts of the inner grooves (11) are provided with mounting assemblies (10).

7. The protection device for the penetration test according to claim 6, wherein the mounting assembly (10) comprises a pressing head (1001) and a ball (1002), and the pressing head (1001) is provided with the ball (1002) at one end close to the central axis of the assembly disc (8).

8. The protection device for a penetration test according to claim 7, wherein the mounting assembly (10) further comprises a screw (1003) and a bracelet (1004), the lower end of the pressing head (1001) is provided with the screw (1003), and the lower end of the screw (1003) is provided with the bracelet (1004).