CN218204613U

CN218204613U - Stable placement mechanism suitable for pile foundation dynamic tester

Info

Publication number: CN218204613U
Application number: CN202222480437.2U
Authority: CN
Inventors: 段帅杰; 黄茜茜; 郑艳格; 齐发
Original assignee: Shanghai Minyue Survey And Design Co ltd
Current assignee: Shanghai Minyue Survey And Design Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-03
Anticipated expiration: 2032-09-19

Abstract

The application discloses stable mechanism of placing suitable for pile foundation dynamometry appearance relates to pile foundation dynamometry appearance technical field. This stable mechanism of placing suitable for pile foundation moves survey appearance, including the detector, the side of detector is provided with detects the head, it is provided with the fixing base to detect overhead, a side surface that the fixing base is back to detecting the head is provided with the bull stick, two thread bush have been cup jointed in the activity of one of rotary rod position in the fixing base, the surface rotation of thread bush is connected with two connection push rods, be provided with the fixed plate that two downside extend the fixing base through leading to the groove in the fixing base. This stable placement mechanism suitable for pile foundation moves measuring instrument has avoided the staff to detect the condition that the head appears toppling over by the influence of vibrations when strikeing the pile foundation, has also prevented simultaneously that the condition of deviation appears in detecting the head position, has further ensured this detector to pile foundation detection time measuring stability, has ensured the efficiency to pile foundation data detection.

Description

Stable placement mechanism suitable for pile foundation dynamic tester

Technical Field

The application relates to a pile foundation dynamic testing appearance technical field, in particular to stable placement mechanism suitable for pile foundation dynamic testing appearance.

Background

The pile foundation dynamic test is to analyze the uniformity of a pile body medium according to the characteristic of dynamic response of a pile top under the action of transient impact or steady-state vibration load, estimate the bearing capacity of a pile, evaluate the piling efficiency and the like, and the pile foundation dynamic test needs to use a pile foundation dynamic test instrument.

For example, the existing models are: PT3000 moves the side appearance, refer to fig. 1, should move the side appearance and include detector 1, and detector 1's side is provided with data line 2, and data line 2 is kept away from one of detector 1 and is served and be provided with detection head 3, consequently through on will detecting head 3 and place the pile foundation that waits to detect, the staff strikes pile foundation surface through the tup, and detector 1 utilizes the integrality of reflection wave method detection foundation pile like this.

However, the lateral moving instrument has certain disadvantages: when the staff is knocking the pile foundation, the detection head is placed on the pile foundation surface, so the condition of dumping under the influence of vibration is caused, the condition of deviation of the position of the detection head is caused, the stability of the movable side instrument during detection of the pile foundation is influenced, and the efficiency of detecting the pile foundation data is reduced.

SUMMERY OF THE UTILITY MODEL

For the above-mentioned condition purpose of avoiding detecting the head position and appearing the deviation, this application provides following technical scheme: a stable placement mechanism suitable for a pile foundation dynamic tester comprises a fixed seat, wherein a rotating disc is arranged on one side surface of the fixed seat, a rotating rod is fixedly connected to one side surface of the rotating disc facing the fixed seat, one end, far away from the rotating disc, of the rotating rod penetrates into the fixed seat and is in rotating connection with the inner wall of the fixed seat, two thread sleeves are movably sleeved on one end, located in the fixed seat, of the rotating rod, and two thread teeth which are arranged in opposite directions and are respectively in threaded connection with the two thread sleeves are arranged on the rotating rod;

the outer surface of the threaded sleeve is rotatably connected with two connecting push rods arranged in a mirror image manner, two fixing plates with lower sides extending out of the fixing seats through grooves are arranged in the fixing seats, and one ends of the connecting push rods far away from the threaded sleeve are rotatably connected to the surface of one side, facing the rotary rod, of the fixing plates;

the surface of one side of the fixed seat, which is back to the rotating disc, is provided with a first installation block and a second installation block, and one side, opposite to the first installation block and the second installation block, of the first installation block is provided with two fixed grooves which are matched with the outer surface of the detection head.

Preferably, a connecting slide rail is fixedly connected to the surface of one side of the fixing seat facing the second mounting block, and a slide rail joint which is connected with the slide rail in a sliding manner is fixedly connected to one side of the first mounting block facing the fixing seat and one side of the second mounting block facing the fixing seat.

Preferably, an extending groove is formed in the surface of one side, facing the second mounting block, of the first mounting block, a fixing block is fixedly connected to the surface of one side, facing the extending groove, of the second mounting block, one side, far away from the second mounting block, of the fixing block extends into the extending groove, and the fixing block is in a right-angled ladder shape.

Preferably, a built-in groove is formed in the first mounting block, a clamping rod is arranged in the built-in groove in the first mounting block, the upper end and the lower end of the clamping rod respectively penetrate through the first mounting block and penetrate into the extension groove, the clamping rod is connected with the inner wall of the first mounting block in a sliding mode, a clamping groove is formed in the upper side surface of the fixing block, and one end, located in the extension groove, of the clamping rod extends into the clamping groove.

Preferably, the lower end of the clamping rod is hemispherical.

Preferably, a limiting plate is fixedly sleeved on one end, located in the built-in groove, of the clamping rod, and a spring movably sleeved on the clamping rod is fixedly connected between the upper surface of the limiting plate and the inner wall of the top of the built-in groove.

Preferably, the upper side surface of the fixed plate is fixedly connected with a limiting sliding ball, and the inner wall of the top of the fixed seat is provided with a limiting sliding groove which is matched with the limiting sliding ball and is in sliding connection with the limiting sliding ball.

In view of the above, it is desirable to provide,

1. this stable placement mechanism suitable for pile foundation move-testing appearance can be to the edge centre gripping of pile foundation through two fixed plates to the completion is to the fixed of detecting the head position, has avoided the staff like this to detect the condition that the head appears empting by the influence of vibrations when knocking the pile foundation, has also prevented to detect the condition that the head position deviation appears simultaneously, has further ensured this detector and has examined the stability of time measuring to the pile foundation, has ensured the efficiency to pile foundation data detection.

1. This stable placement mechanism suitable for pile foundation is moved and is surveyed appearance can install or demolish this stable placement mechanism from the detection head fast through first installation piece and second installation piece, is convenient for like this to pile foundation move and survey appearance and stabilize accomodating of placement mechanism, has also reduced staff's the operation degree of difficulty simultaneously.

2. This stable mechanism of placing suitable for pile foundation moves survey appearance sets up the lower extreme through with the joint pole to hemispherical, has increased the smooth degree of contact surface between joint pole and the fixed block like this to reduced the frictional force between joint pole and the fixed block, produced the dead problem of mechanical card when having avoided the joint pole to slide as far as possible, further improved stability and smoothness nature when the device uses.

Drawings

Fig. 1 is a schematic structural diagram of a stable placement mechanism suitable for a pile foundation dynamic tester according to the present application;

FIG. 2 is a sectional view of the mounting bracket of the present application;

FIG. 3 is a schematic view of the first mounting block separated from the second mounting block of the present application;

FIG. 4 is a front plan view of a second mounting block of the present application;

FIG. 5 is a side plan view of a first mounting block of the present application.

Description of reference numerals:

1. a detector; 2. a data line; 3. a detection head; 4. a fixed seat; 5. rotating the disc; 6. a fixing plate; 7. rotating the rod; 8. a threaded sleeve; 9. connecting a push rod; 10. limiting the sliding ball; 11. a restricting chute; 12. a first mounting block; 13. a second mounting block; 14. fixing grooves; 15. connecting a slide rail; 16. a slide rail joint; 17. an extension groove; 18. a fixed block; 19. a built-in groove; 20. a clamping and connecting rod; 21. a clamping groove; 22. a limiting plate; 23. a spring.

Detailed Description

Referring to fig. 1-2, the lateral motion instrument in the prior art includes a detector 1, a data line 2 is disposed on a side surface of the detector 1, and a detection head 3 is disposed on an end of the data line 2 away from the detector 1, so that a worker strikes the surface of a pile foundation through a hammer head by placing the detection head 3 on a pile foundation to be detected, and thus the detector 1 detects the integrity of the pile foundation by using a reflection wave method.

The application provides a technical scheme: the utility model provides a stable mechanism of placing suitable for pile foundation surveys appearance kinematically, including fixing base 4, fixing base 4's inside is cavity and logical groove has been seted up to the lower surface, 4 side surfaces of fixing base are provided with rolling disc 5, rolling disc 5 is towards one side of fixing base 4 on the surface fixedly connected with rotary rod 7, rotary rod 7 keeps away from one end of rolling disc 5 and runs through into in fixing base 4 and be connected with the rotation of 4 inner walls of fixing base, rotary rod 7 is located one of fixing base 4 and serves the activity and cup joint two thread bush 8, set up two on the rotary rod 7 simultaneously and be opposite direction setting and respectively with the thread tooth of two thread bush 8 threaded connection, consequently, through rotating rotary rod 7, make two thread bush 8 carry out relative direction or opposite direction displacement respectively under the transmission of two thread tooth like this.

Further, the surface of thread bush 8 rotates and is connected with two connecting push rod 9 that are the mirror image setting, be provided with two downside in the fixing base 4 and extend fixing plate 6 of fixing base 4 through leading to the groove, two fixing plate 6 are located the both sides of rotary rod 7 respectively simultaneously, connecting push rod 9 keeps away from the one end rotation that thread bush 8 connects on the fixed plate 6 side surface towards rotary rod 7, consequently, when two thread bushes 8 carry out the relative direction displacement, connecting push rod 9 forms thrust to fixed plate 6, thereby make two fixed plate 6 carry out the opposite direction displacement, otherwise when two thread bushes 8 carry out the opposite direction displacement, connecting push rod 9 forms the pulling force to fixed plate 6, make two fixed plate 6 carry out the relative direction displacement, like this two fixed plate 6 can be to the marginal centre gripping of pile foundation, thereby accomplish the fixed to detecting head 3 position, the condition that the staff detects head 3 and appears toppling over under the influence of vibrations when beating the pile foundation has been avoided through this kind of mode, the condition that the deviation appears in detecting head 3 position has also prevented simultaneously, this detector is to the stability of examining time measurement, the pile foundation data detection's efficiency has been ensured.

Further, the upper side surface fixed connection of fixed plate 6 has restriction draw runner 10, set up on the top inner wall of fixing base 4 with restriction draw runner 10 looks adaptation and with restriction draw runner 11 of restriction draw runner 10 sliding connection, consequently prevented through restriction draw runner 10 that fixed plate 6 from appearing the condition that drops in the position process, further ensured the result of use of fixed plate 6.

Referring to fig. 3-5, further, a first mounting block 12 and a second mounting block 13 are disposed on a surface of the fixing base 4 opposite to the rotating disc 5, and two fixing grooves 14 matched with the outer surface of the detection head 3 are disposed on opposite sides of the first mounting block 12 and the second mounting block 13, so that the detection head 3 is mounted between the two fixing grooves 14 of the first mounting block 12 and the second mounting block 13, thereby fixing the detection head 3 to the fixing base 4.

Further, a connecting slide rail 15 is fixedly connected to the surface of one side of the fixed seat 4 facing the second mounting block 13, and a slide rail joint 16 slidably connected to the connecting slide rail 15 is fixedly connected to both sides of the first mounting block 12 and the second mounting block 13 facing the fixed seat 4, so that the first mounting block 12 and the second mounting block 13 can slide on the fixed seat 4.

Furthermore, an extending groove 17 is formed in the surface of one side, facing the second mounting block 13, of the first mounting block 12, a fixing block 18 is fixedly connected to the surface of one side, facing the extending groove 17, of the second mounting block 13, one side, far away from the second mounting block 13, of the fixing block 18 extends into the extending groove 17, meanwhile, the fixing block 18 is in a right-angled trapezoid shape, a built-in groove 19 is formed in the first mounting block 12, a clamping rod 20 is arranged in the built-in groove 19 in the first mounting block 12, the upper end and the lower end of the clamping rod 20 penetrate through the first mounting block 12 and the extending groove 17 respectively, the clamping rod 20 is connected with the inner wall of the first mounting block 12 in a sliding mode, the lower end of the clamping rod 20 is hemispherical, a clamping groove 21 is formed in the surface of the upper side of the fixing block 18, one end, located in the extending groove 17, of the clamping rod 20 extends into the clamping groove 21, and accordingly, the clamping rod 20 forms a fixing effect on the fixing block 18, and therefore the first mounting block 12 and the second mounting block 13 are fixed.

Furthermore, a limiting plate 22 is fixedly sleeved on one end of the clamping rod 20, which is located in the built-in groove 19, a spring 23 movably sleeved on the clamping rod 20 is fixedly connected between the upper surface of the limiting plate 22 and the inner wall of the top of the built-in groove 19, and meanwhile, the spring 23 pushes the limiting plate 22, so that the initial position of the clamping rod 20 is located in the extending groove 17, when the fixing block 18 extends into the extending groove 17, the inclined surface of the fixing block 18 contacts with the lower end of the clamping rod 20, so that the fixing block 18 pushes the clamping rod 20 upwards, and simultaneously the spring 23 is stressed to contract, when the fixing block 18 completely extends into the extending groove 17, the clamping rod 20 and the clamping groove 21 are located at the same vertical position, so that the clamping rod 20 slides into the clamping groove 21 under the pushing force of the spring 23, thereby fixing between the first mounting block 12 and the second mounting block 13 is completed, when the fixing base 4 needs to be dismounted, the upper end of the clamping rod 20 needs to be pulled, so that the clamping rod 20 can slide out of the clamping groove 21, and the first mounting block 12 can be separated from the second mounting block 13.

Further set up the lower extreme of joint pole 20 to be hemispherical in this embodiment, increased the smooth degree of contact surface between joint pole 20 and the fixed block 18 like this to reduced the frictional force between joint pole 20 and the fixed block 18, produced the dead problem of mechanical card when having avoided joint pole 20 to slide as far as possible, further improved stability and the smoothness nature of the device when using.

The working principle is as follows: when the stable placement mechanism suitable for the pile foundation dynamic tester is used, the detection head 3 is placed on a pile foundation to be tested, and the rotating rod 7 is rotated simultaneously, so that the two fixing plates 6 can displace in the opposite directions, the two fixing plates 6 can clamp the edge of the pile foundation, the detection head 3 is sleeved between the two fixing grooves 14 of the first mounting block 12 and the second mounting block 13, the first mounting block 12 and the second mounting block 13 are synchronously pushed to displace in the opposite directions, the fixing block 18 extends into the extending groove 17, the inclined surface of the fixing block 18 is contacted with the lower end of the clamping rod 20, the fixing block 18 forms thrust on the clamping rod 20, the clamping rod 20 moves upwards, the spring 23 is stressed to contract, when the fixing block 18 completely extends into the extending groove 17, the clamping rod 20 and the clamping groove 21 are in the same vertical position, the clamping rod 20 slides into the clamping groove 21 under the thrust of the spring 23, and the first mounting block 12 and the second mounting block 13 are fixed;

when the fixing seat 4 needs to be removed, the clamping rod 20 can slide out of the clamping groove 21 only by pulling the upper end of the clamping rod 20, so that the first mounting block 12 can be separated from the second mounting block 13.

Claims

1. The stable placement mechanism is characterized by comprising a fixed seat (4), wherein a rotating disc (5) is arranged on one side surface of the fixed seat (4), a rotating rod (7) is fixedly connected to one side surface of the rotating disc (5) facing the fixed seat (4), one end, far away from the rotating disc (5), of the rotating rod (7) penetrates into the fixed seat (4) and is rotatably connected with the inner wall of the fixed seat (4), two thread sleeves (8) are movably sleeved on one end, located in the fixed seat (4), of the rotating rod (7), and two thread teeth which are arranged in opposite directions and are respectively in threaded connection with the two thread sleeves (8) are arranged on the rotating rod (7);

the outer surface of the threaded sleeve (8) is rotatably connected with two connecting push rods (9) which are arranged in a mirror image manner, two fixing plates (6) with lower sides extending out of the fixing seat (4) through grooves are arranged in the fixing seat (4), and one end, far away from the threaded sleeve (8), of each connecting push rod (9) is rotatably connected to the surface of one side, facing the rotary rod (7), of each fixing plate (6);

the detection device is characterized in that a first installation block (12) and a second installation block (13) are arranged on the surface of one side, back to the rotating disc (5), of the fixed seat (4), and two fixing grooves (14) matched with the outer surface of the detection head (3) are formed in the opposite side of the first installation block (12) and the second installation block (13).

2. The stable placement mechanism suitable for a pile foundation dynamic tester according to claim 1, characterized in that: the fixing seat (4) is fixedly connected with a connecting slide rail (15) on the surface of one side, facing the second mounting block (13), of the fixing seat (4), and the first mounting block (12) and the second mounting block (13) are fixedly connected with a slide rail joint (16) which is connected with the slide rail (15) in a sliding manner and faces one side of the fixing seat (4).

3. The stable placement mechanism suitable for a pile foundation dynamic tester according to claim 1, characterized in that: first installation piece (12) have seted up extending groove (17) on the surface towards one side of second installation piece (13), second installation piece (13) are connected with fixed block (18) towards one side fixed surface of extending groove (17), one side that second installation piece (13) were kept away from in extending groove (17) fixed block (18), the structure of fixed block (18) sets up to right angle trapezoidal form.

4. The stable placement mechanism suitable for a pile foundation dynamic tester of claim 3, wherein: the novel clamping device is characterized in that a built-in groove (19) is formed in the first installation block (12), a clamping rod (20) is arranged in the built-in groove (19) in the first installation block (12), the upper end and the lower end of the clamping rod (20) penetrate through the first installation block (12) and penetrate into the extension groove (17) respectively, the clamping rod (20) is connected with the inner wall of the first installation block (12) in a sliding mode, a clamping groove (21) is formed in the surface of the upper side of the fixed block (18), and one end, located in the extension groove (17), of the clamping rod (20) extends into the clamping groove (21).

5. The stable placement mechanism suitable for a pile foundation dynamic tester of claim 4, wherein: the lower end of the clamping rod (20) is hemispherical.

6. The stable placement mechanism suitable for a pile foundation dynamic tester of claim 4, wherein: one end of the clamping rod (20) located in the built-in groove (19) is fixedly sleeved with a limiting plate (22), and a spring (23) movably sleeved on the clamping rod (20) is fixedly connected between the upper surface of the limiting plate (22) and the inner wall of the top of the built-in groove (19).

7. The stable placement mechanism suitable for a pile foundation dynamic tester according to claim 1, characterized in that: the upper side surface fixed connection of fixed plate (6) has restriction ballslide (10), offer on the top inner wall of fixing base (4) with restriction ballslide (10) looks adaptation and with restriction ballslide (10) sliding connection's restriction spout (11).