A static load test device for pile foundation detection

Abstract

The utility model provides a static load test device for pile foundation detection, including: a jack and a measuring assembly, the measuring assembly is arranged on the top of the jack; a moving seat, the jack slides on the moving seat, a support member is arranged inside the moving seat, the jack extends to the inside of the moving seat and overlaps on the support member; the support member includes a first support rod, a third support rod and an adjustment rod, the first support rod and the third support rod are both provided with a support plate, different support plates respectively lift the two sides of the jack, and the adjustment rod drives the first support rod and the third support rod to rise or fall synchronously. The utility model uses the support member to lift the jack and the measuring assembly when not in the test process, so that they are out of contact with the ground, reducing the difficulty of moving the jack and the measuring assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of static load testing, and in particular relates to a static load testing device for pile foundation detection. Background Art

[0002] Pile foundation static load test is a technology used in engineering to detect the bearing capacity of pile foundation; the commonly used test method is to use a steel beam to set up a load-bearing platform on the top of the pile, pile heavy objects on it, and gradually lift the platform with the help of a jack placed on the pile head, so as to apply force to the pile body. The jack used in this method needs to be transferred to the top of the pile body, and a test sensor is set between the jack and the platform to obtain data.

[0003] Generally speaking, the jack structure used for pile foundation testing is heavy and inconvenient to move. In some special environments where it is impossible to bring lifting equipment to the site, it is difficult to arrange and transfer it, which affects the efficiency of pre-test preparation work. Utility Model Content

[0004] The utility model provides a static load test device for pile foundation detection, aiming to solve the problem that the jack structure currently used for pile foundation detection is heavy and inconvenient to move, and in some special environments where lifting equipment cannot be brought in, it is difficult to arrange and transfer it, which affects the efficiency of pre-test preparation work.

[0005] The utility model is implemented as follows: a static load test device for pile foundation detection, comprising:

[0006] A jack and a measuring assembly, wherein the measuring assembly is arranged on the top of the jack;

[0007] A moving seat, wherein a receiving cavity is provided at the center of the moving seat, the jack slides in the receiving cavity, a sliding groove is provided on the side wall of the receiving cavity, a supporting piece is provided inside the moving seat, the jack extends into the inside of the moving seat and overlaps on the supporting piece;

[0008] The support member includes a first support rod, a third support rod and an adjusting rod. The first support rod and the third support rod are both provided with supporting plates. Different supporting plates respectively support two sides of the jack. The adjusting rod drives the first support rod and the third support rod to rise or fall synchronously.

[0009] Preferably, a sliding block is provided on the outer wall of the jack, and a sliding groove is provided on the side wall of the accommodating cavity. The sliding block of the jack slides in the sliding groove, and the sliding block extends to the inside of the moving seat and overlaps the supporting plate.

[0010] Preferably, the first support rod comprises a lead screw, a first slider, a second slider and a connecting seat;

[0011] The lead screw is provided with two sets of positive and negative thread structures; the first slider and the second slider are respectively arranged on threads of different rotation directions, so when the lead screw rotates, the first slider and the second slider will move towards each other or move away from each other;

[0012] A plurality of connecting rods are provided between the first slider, the second slider and the connecting seat for articulation. When the first slider and the second slider move toward or away from each other, the connecting seat moves perpendicular to the lead screw under the action of the connecting rods.

[0013] Preferably, the support plate is arranged on the connecting seat.

[0014] Preferably, the adjusting rod comprises a handwheel, a transmission rod, a first transmission rod and a second transmission rod, one end of the transmission rod is connected to the handwheel, and the other end is respectively meshed and connected with the first transmission rod and the second transmission rod through bevel gears, one end of the first transmission rod away from the transmission rod is rotationally connected to the lead screw through a bevel gear, and one end of the second transmission rod away from the transmission rod is rotationally connected to the second support rod through a bevel gear.

[0015] Preferably, the first support rod and the second support rod have the same structure.

[0016] Preferably, the hand wheel is located outside the moving seat, and the transmission rod passes through the side wall of the moving seat and extends to the inside of the moving seat.

[0017] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0018] The static load test device for pile foundation detection provided by the utility model is used to lift the jack and the measuring component through the support member when not in test process, so that they are out of contact with the ground, reducing the difficulty in moving the jack and the measuring component, facilitating the jack and the measuring component to quickly complete the transfer work at some sites lacking lifting equipment, and improving the efficiency of test preparation work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of a static load test device for pile foundation detection.

[0020] Figure 2 The utility model provides a schematic diagram of the jack structure of a static load test device for pile foundation detection.

[0021] Figure 3 The utility model is a schematic diagram of the structure of a moving seat of a static load test device for pile foundation detection.

[0022] Figure 4The utility model is a schematic structural diagram of a first support rod and a third support rod in a static load test device for pile foundation detection.

[0023] Figure 5 The utility model provides a schematic diagram of the first support rod structure of a static load test device for pile foundation detection.

[0024] Description of reference numerals:

[0025] 100. Measurement components;

[0026] 200, jack; 210, slide block;

[0027] 300, mobile seat;

[0028] 400, support member; 410, first support rod; 411, lead screw; 412, first slider; 413, second slider; 414, connecting seat; 415, connecting rod; 4161, bearing seat; 4162, supporting bearing seat; 420, support plate; 430, third support rod; 440, adjusting rod; 441, hand wheel; 442, transmission rod; 443, first transmission rod; 444, second transmission rod; 450, guide rail. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] The present utility model provides a static load test device for pile foundation detection, such as Figure 1-Figure 5 As shown, the static load test device for pile foundation detection comprises:

[0032] The jack 200 and the measuring assembly 100, wherein the measuring assembly 100 is a prior art device, which is arranged on the top of the jack 200 and is used to obtain data information such as displacement and force;

[0033] A moving seat 300, wherein a receiving cavity is provided at the center of the moving seat 300, a supporting member 400 is provided inside the moving seat 300, a slider 210 is provided on the outer wall of the jack 200, a sliding groove is provided on the side wall of the receiving cavity, and the slider 210 of the jack 200 extends to the inside of the moving seat 300 through the sliding groove and overlaps on the supporting member 400; the jack 200 is separated from the ground under the action of the supporting member 400 and is pulled and moved by the moving seat 300;

[0034] The support member 400 includes a first support rod 410, a third support rod 430 and an adjusting rod 440. The first support rod 410 and the third support rod 430 are both provided with a supporting plate 420. Different supporting plates 420 respectively support different sliders 210 on both sides of the jack 200. The adjusting rod 440 drives the first support rod 410 and the third support rod 430 to rise or fall synchronously.

[0035] In the present application, a roller structure is provided at the bottom of the mobile seat 300 to assist the mobile seat 300 in moving; the function of the support member 400 is to lift the jack 200 and the measuring assembly 100 when not in the test process, so that they are out of contact with the ground, reducing the difficulty of the jack 200 and the measuring assembly 100 in the process of moving, and facilitating the jack 200 and the measuring assembly 100 to quickly complete the transfer work at some sites lacking lifting equipment, thereby improving the efficiency of test preparation work; when arriving at the designated position, the support member 400 puts down the jack 200 and the measuring assembly 100 and disengages them to avoid affecting the test results; due to the use of a lifting structure, the support member 400 can completely disengage from the contact with the jack 200 and the measuring assembly 100;

[0036] The accommodating cavity runs through the movable seat 300, and the jack 200 moves up and down in the accommodating cavity under the action of the support member 400. The movable seat 300 is provided with an equipment compartment, and the support member 400 is arranged in the equipment compartment. The equipment compartment is a concave-shaped structure, and the first support rod 410 and the third support rod 430 are respectively arranged in non-adjacent areas of the equipment compartment, and the two ends of the adjusting rod 440 are respectively connected to the first support rod 410 and the third support rod 430;

[0037] As a preferred implementation in this embodiment, the first support rod 410 includes a lead screw 411, a first slider 412, a second slider 413 and a connecting seat 414.

[0038] The lead screw 411 is provided with two sets of positive and negative thread structures; the first slider 412 and the second slider 413 are respectively arranged on threads of different rotation directions, so when the lead screw 411 rotates, the first slider 412 and the second slider 413 will move towards each other or move away from each other;

[0039] A plurality of connecting rods 415 are provided between the first slider 412, the second slider 413 and the connecting seat 414 for articulation. When the first slider 412 and the second slider 413 move toward or away from each other, the connecting seat 414 moves perpendicularly to the lead screw 411 under the action of the connecting rods 415.

[0040] The support plate 420 is disposed on the connection seat 414, and supports the slider 210 along with the lifting movement of the connection seat 414;

[0041] In this embodiment, a bearing seat 4161 and a guide rail 450 are further provided in the movable seat 300, and a support bearing seat 4162 is provided at the middle end of the guide rail 450; the lead screw 411 is assembled on the bearing seat 4161 and the support bearing seat 4162, and the bearing seat 4161 and the support bearing seat 4162 provide a support point for the lead screw 411 to limit and fix. The first slider 412 and the second slider 413 slide on the guide rail 450, and the guide rail 450 limits the sliding direction of the first slider 412 and the second slider 413;

[0042] In a further preferred embodiment of the utility model, the adjusting rod 440 includes a hand wheel 441, a transmission rod 442, a first transmission rod 443 and a second transmission rod 444;

[0043] The hand wheel 441 is located outside the moving seat 300, the transmission rod 442 penetrates the side wall of the moving seat 300 and extends to the inside of the moving seat 300, the first transmission rod 443 and the second transmission rod 444 are respectively arranged on both sides of the transmission rod 442 and connected thereto, both ends of the first transmission rod 443 and the second transmission rod 444 are provided with bevel gears, and the end of the transmission rod 442 away from the hand wheel 441 is also provided with a bevel gear;

[0044] The first transmission rod 443 and the second transmission rod 444 are connected to the transmission rod 442 by means of a bevel gear transmission, and the transmission is performed by means of a bevel gear structure; similarly, a bevel gear is also provided at the end of the lead screw 411 away from the bearing seat 4161, and the lead screw 411 and the end of the first transmission rod 443 away from the transmission rod 442 are meshed and connected by bevel gears.

[0045] Under the action of the adjusting rod 440, the power generated by the hand wheel 441 is distributed to the first support rod 410 and the third support rod 430. The structure of the third support rod 430 is the same as that of the first support rod 410. The structure of the third support rod 430 keeps synchronous movement with the support plate 420 of the first support rod 410.

[0046] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0047] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A static load test device for pile foundation detection, characterized in that: include: A jack and a measuring assembly, wherein the measuring assembly is arranged on the top of the jack; A moving seat, wherein a receiving cavity is provided at the center of the moving seat, the jack slides in the receiving cavity, a sliding groove is provided on the side wall of the receiving cavity, a supporting piece is provided inside the moving seat, the jack extends into the inside of the moving seat and overlaps on the supporting piece; The support member includes a first support rod, a third support rod and an adjusting rod. The first support rod and the third support rod are both provided with supporting plates. Different supporting plates respectively support two sides of the jack. The adjusting rod drives the first support rod and the third support rod to rise or fall synchronously.

2. A static load test device for pile foundation detection as claimed in claim 1, characterized in that: The outer wall of the jack is provided with a sliding block, the side wall of the accommodating cavity is provided with a sliding groove, the sliding block of the jack slides in the sliding groove, and the sliding block extends to the inside of the moving seat and overlaps the supporting plate.

3. A static load test device for pile foundation detection as claimed in claim 2, characterized in that: The first support rod comprises a lead screw, a first slider, a second slider and a connecting seat; The lead screw is provided with two sets of positive and negative thread structures; the first slider and the second slider are respectively arranged on threads of different rotation directions, so when the lead screw rotates, the first slider and the second slider will move towards each other or move away from each other; A plurality of connecting rods are provided between the first slider, the second slider and the connecting seat for articulation. When the first slider and the second slider move toward or away from each other, the connecting seat moves perpendicular to the lead screw under the action of the connecting rods.

4. A static load test device for pile foundation detection as claimed in claim 3, characterized in that: The support plate is arranged on the connecting seat.

5. A static load test device for pile foundation detection as claimed in claim 4, characterized in that: The adjusting rod comprises a handwheel, a transmission rod, a first transmission rod and a second transmission rod, one end of the transmission rod is connected to the handwheel, and the other end is respectively meshed and connected with the first transmission rod and the second transmission rod through bevel gears, one end of the first transmission rod away from the transmission rod is rotationally connected to the lead screw through a bevel gear, and one end of the second transmission rod away from the transmission rod is rotationally connected to the second support rod through a bevel gear.

6. A static load test device for pile foundation detection as claimed in claim 5, characterized in that: The first support rod and the second support rod have the same structure.

7. A static load test device for pile foundation detection as claimed in claim 6, characterized in that: The hand wheel is located outside the moving seat, and the transmission rod penetrates the side wall of the moving seat and extends to the inside of the moving seat.

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