CN213481279U

CN213481279U - Displacement measuring device for pile foundation static load experiment

Info

Publication number: CN213481279U
Application number: CN202022895029.4U
Authority: CN
Inventors: 赵平; 陈利清; 施水荣; 付丽娜; 洪明杰; 华亮; 刘龙斌; 王德传; 刘险峰
Original assignee: Zhejiang Coal Surveying And Mapping Institute Co ltd
Current assignee: Zhejiang Coal Surveying And Mapping Institute Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-06-18
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to a pile foundation static load experiment displacement measurement device belongs to engineering technology's field, and it includes the support, the support is provided with the pillar, and the pillar top is provided with the platform, and the platform can be dismantled with the pillar and be connected, and the support still is provided with the bracing piece, bracing piece tip and platform lower surface butt. This application has the effect that improves measurement accuracy.

Description

Displacement measuring device for pile foundation static load experiment

Technical Field

The application relates to the field of engineering technology, in particular to a displacement measuring device for a static load experiment of a pile foundation.

Background

The static load test of the pile foundation refers to a test method for applying vertical pressure, vertical uplift force or horizontal thrust on the top of the pile step by step and observing the settlement, uplift displacement or horizontal displacement of the top of the pile generated along with the time so as to determine the corresponding vertical compression bearing capacity, vertical uplift bearing capacity or horizontal bearing capacity of a single pile.

The existing Chinese patent with the reference publication number of CN204059428U discloses a hoop for a pile static load test, and relates to the technical field of engineering. The novel multifunctional clothes hanger comprises a body, skirt borders and closing borders, wherein a plurality of skirt borders are arranged on the outer side of the body, closing borders are arranged at two ends of the body, a handle is further fixed on the body, the body is semicircular, the skirt borders are symmetrically arranged on the semicircular center of the body, and the handle is arranged between the symmetrical skirt borders.

For the related art in the foregoing, the inventor thinks that the body is fixed only by the hoop, and is prone to tilt in the actual measurement process, which affects the accuracy of measurement.

SUMMERY OF THE UTILITY MODEL

In order to improve measuring accuracy, this application provides a pile foundation static load experiment displacement measurement device.

The application provides a pair of pile foundation static load experiment displacement measurement device adopts following technical scheme:

the utility model provides a displacement measurement device for pile foundation static load experiment, includes the support, the support is provided with the pillar, and the pillar top is provided with the platform, and the platform can be dismantled with the pillar and be connected, and the support still is provided with the bracing piece, bracing piece tip and platform lower surface butt.

Through adopting the technical scheme, the pillar top is provided with the platform, be used for measuring data in the use, still be provided with the bracing piece on the support, the tip and the platform lower surface looks butt of bracing piece, bracing piece tip and platform lower surface looks butt, area of contact between platform and the support has been increased, make except that the central point department of putting of platform itself can be connected with the support, also can form the support to platform and support from one side of platform through the bracing piece, the in-process of using for a long time has been reduced, because the platform that the action of gravity of heavy object leads to takes place the possibility of slope, thereby the stability of being connected between platform and the support has been improved, and then the measuring accuracy nature has been improved.

Optionally, the support rod extends vertically upwards along a direction close to the platform, and the support rod is provided with a plurality of support rods.

Through adopting above-mentioned technical scheme, the bracing piece is provided with many, and many bracing pieces form support and butt through the equidirectional not to the platform to when only a bracing piece has been reduced, the probability that the platform of the opposite direction department of this root bracing piece took place to incline because of receiving the action of gravity for a long time, thereby further improved the stability of being connected between platform and the support, further improved measuring accuracy nature.

Optionally, a connecting plate is arranged below the supporting rod and fixedly connected with the supporting rod, and the connecting plate is detachably connected with the support.

Through adopting above-mentioned technical scheme, the connecting plate sets up in the bracing piece and keeps away from the tip position department of platform and connecting plate and bracing piece fixed connection, and the connecting plate can be dismantled with the support and be connected, when needs use support and platform to carry out data measurement, can install the connecting plate on the support to form the support between platform and the support through the bracing piece, improved measuring accuracy nature. When data do not need to be measured, the connecting plate can be detached from the support, so that the overall occupied space is reduced, and the use convenience is improved.

Optionally, the support rod includes a first support portion and a second support portion, the first support portion is fixedly connected to the connecting plate, and the second support portion is located above the first support portion and is in threaded connection with the first support portion.

Through adopting above-mentioned technical scheme, the second supporting part is inserted and is located in the first supporting part and with first supporting part threaded connection, first supporting part and connecting plate fixed connection. When the height of bracing piece is adjusted according to the in-service use needs as required, rotate the second supporting part, insert the length of locating first supporting part inside to the second supporting part and adjust to the length of bracing piece itself is adjusted, thereby has adjusted the height of platform, has improved the convenience among the in-service use process.

Optionally, the lower surface of the platform is fixedly provided with a connecting cylinder, and the support column is inserted into the connecting cylinder and connected with the connecting cylinder in a sliding manner.

Through adopting above-mentioned technical scheme, the connecting cylinder sets up in the platform lower surface, and the pillar inserts and locates inside the connecting cylinder and be connected with the connecting cylinder slides. The connecting cylinder forms contact and support to the circumferential surface of the pillar, and further increases the contact area between the pillar and the platform, thereby improving the stability of the platform, reducing the possibility that the platform inclines or shakes, and improving the stability of measurement.

Optionally, the support is further provided with a reinforcing assembly, the reinforcing assembly comprises a sleeve and a connecting rod, the sleeve is fixedly connected with the support and connected with the support in a sliding mode, the connecting rod is located on the circumferential face of the sleeve and is connected with the sleeve in a rotating mode, and the other end of the connecting rod is connected with the bottom face of the platform in a rotating mode.

Through adopting above-mentioned technical scheme, sleeve and support fixed connection, the pillar is inserted and is located the sleeve inside and slide with the sleeve and be connected, and the sleeve circumference has formed the restriction to the circumference face of pillar, has increased the area of contact between sleeve and the pillar to improved connection stability, the connecting rod both ends are connected with platform lower surface and sleeve circumference face rotation respectively, have further formed the support to the platform, have improved the stability of platform, thereby further improved measuring accuracy nature.

Optionally, the connecting rod includes fixed part and pars contractilis, and the fixed part rotates with the sleeve to be connected, and the pars contractilis inserts and locates in the fixed part and slide with the fixed part and be connected, and the pars contractilis other end rotates with the platform bottom surface to be connected.

Through adopting above-mentioned technical scheme, when need highly adjusting the platform in the in-service use, at first adjust the length of bracing piece, along with the removal of platform, the length of connecting rod itself also need change, the pars contractilis inserts and locates inside the fixed part and slide with the fixed part and be connected for the length of connecting rod can be adjusted along with the altitude variation of platform, thereby has improved the convenience of use.

Optionally, the telescopic part is fixedly provided with a flange, and the fixing part is provided with a clamping groove matched with the flange in a clamping manner.

Through adopting above-mentioned technical scheme, the flange is mutually supported with the joint groove, and the joint groove forms the joint to the flange, and when the pars contractilis slided in the fixed part, the joint groove plays certain limiting displacement to the flange, reduces the pars contractilis slided and goes out the probability that leads to droing from the fixed part in the use to the convenience of use has been improved.

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

1. the supporting rod is arranged between the platform and the support to support the platform, so that the measuring accuracy is improved;

2. the first supporting part and the second supporting part are arranged, so that the use convenience is improved;

3. through setting up the reinforcement component, the stability of platform and the accuracy nature of measurement have further been improved.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the present application directed to the construction of a highlighted anchor post;

figure 3 is a schematic view of the application intended to highlight the internal structure of the connecting rod.

Description of reference numerals: 1. a support; 11. fixing a column; 2. a pillar; 3. a platform; 31. A connecting cylinder; 4. a support bar; 41. a first support section; 42. a second support portion; 5. a connecting plate; 6. a reinforcement assembly; 61. a sleeve; 62. a connecting rod; 621. a fixed part; 6211. a clamping groove; 622. a telescopic part; 6221. a flange.

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 experiment displacement measurement device. Referring to fig. 1, a pile foundation static load experiment displacement measurement device includes support 1, and 1 top of support is provided with pillar 2, and pillar 2 can be dismantled with pillar 2 and be connected, still is provided with bracing piece 4 on the support 1, and bracing piece 4 can be dismantled with support 1 and be connected and bracing piece 4's tip and platform 3 lower surface looks butt, has improved platform 3's stability to measuring accuracy nature has been improved.

Referring to fig. 2, a connecting plate 5 is arranged at the connecting position of the support rod 4 and the bracket 1, and the connecting plate 5 is fixedly connected with the support rod 4. The fixed column 11 that is provided with of support 1, fixed column 11 insert locate in the connecting plate 5 and with the connecting plate 5 connection of sliding, the extending direction perpendicular to platform 3's of bracing piece 4 lower surface. When needs use platform 3 to measure, locate fixed column 11 with connecting plate 5 cover for

bracing piece

4 and 3 lower surface looks butt of platform, thereby accomplish the support to platform 3, increased the area of contact between platform 3 and the support 1, thereby improved connection stability and measurement accuracy nature. When data do not need to be measured, the connecting plate 5 and the supporting rod 4 can be detached from the support 1, so that collection and storage are facilitated, and use convenience is improved. The bracing piece 4 is provided with four, and four bracing pieces 4 set up around platform 3 equidistance, have further increased the area of contact between support 1 and the platform 3, have improved connection stability and measurement accuracy nature.

Referring to fig. 2, the support rod 4 includes a first support portion 41 and a second support portion 42, the first support portion 41 is fixedly connected to the connecting plate 5, the second support portion 42 is inserted into the first support portion 41, the second support portion 42 is in threaded connection with the first support portion 41, and one end of the second support portion 42 away from the first support portion 41 abuts against the lower surface of the platform 3. When the actual height of the platform 3 needs to be adjusted, the second supporting part 42 is rotated, and the position relation between the second supporting part 42 and the first supporting part 41 is adjusted, so that the overall length of the supporting rod 4 is adjusted, and the use convenience is improved.

Referring back to fig. 1, a connecting cylinder 31 is fixedly disposed on the lower surface of the platform 3, and the support column 2 is inserted into the connecting cylinder 31 and slidably connected with the connecting cylinder 31. The inner wall of the connecting cylinder 31 is abutted to the circumferential surface of the strut 2, so that the contact area between the strut 2 and the platform 3 is increased, the connection stability between the strut 2 and the platform 3 is improved, and the measuring accuracy is further improved.

Referring to fig. 2, the support 1 is further provided with a reinforcing component 6, the reinforcing component 6 includes a sleeve 61 and a connecting rod 62, the sleeve 61 is fixedly connected with the support 1, the sleeve 61 is connected with the pillar 2 in a sliding manner, the connecting rod 62 is located on the circumferential surface of the sleeve 61, and two ends of the connecting rod 62 are respectively connected with the sleeve 61 and the lower surface of the platform 3 in a rotating manner. The connecting rod 62 is rotatably connected with the sleeve 61 and the platform 3, so that the connection stability between the platform 3 and the support 1 is further improved, and the measuring accuracy is improved. The connecting rods 62 are provided with four and the connecting rods 62 are arranged around the platform 3 at equal intervals, so that the contact area between the connecting rods 62 and the platform 3 is further increased, and the connection stability is improved.

Referring to fig. 3, the connecting rod 62 includes a fixing portion 621 and an expansion portion 622, the fixing portion 621 is rotatably connected to the sleeve 61, and the expansion portion 622 is inserted into the fixing portion 621 and slidably connected to the fixing portion 621. The fixed flange 6221 that is provided with of tip of pars contractilis 622, fixed part 621 is inside to be seted up with flange 6221 rotate the joint groove 6211 of joint adaptation, the other end and the platform 3 lower surface of pars contractilis 622 rotate to be connected. Fixed part 621 and pars contractilis 622 mutually support, can adjust the length of connecting rod 62 itself to improve the convenience in use, flange 6221 and joint groove 6211 mutually support, have reduced pars contractilis 622 and have taken place the probability that drops from fixed part 621, have improved the connection stability between fixed part 621 and pars contractilis 622.

The implementation principle of the displacement measuring device for the static load experiment of the pile foundation in the embodiment of the application is as follows: when the measured data is needed, the connecting plate 5 is firstly inserted into the fixing column 11, and the connecting cylinder 31 is sleeved on the supporting column 2, so that the end part of the supporting rod 4 is abutted against the lower surface of the platform 3. When the height of the platform 3 needs to be adjusted, the first supporting part 41 is rotated to adjust the height of the supporting rod 4, the telescopic part 622 moves in the fixing part 621, the adjustment of the connecting rod 62 is completed, and the use convenience is improved.

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 experiment displacement measurement device, includes support (1), its characterized in that: support (1) is provided with pillar (2), is provided with platform (3) above pillar (2), and platform (3) can be dismantled with pillar (2) and be connected, and support (1) still is provided with bracing piece (4), bracing piece (4) tip and platform (3) lower surface butt.

2. The pile foundation static load experiment displacement measurement device of claim 1, characterized in that: the support rod (4) vertically extends upwards along the direction close to the platform (3), and the support rod (4) is provided with a plurality of support rods.

3. The pile foundation static load experiment displacement measurement device of claim 1, characterized in that: the support is characterized in that a connecting plate (5) is arranged below the support rod (4), the connecting plate (5) is fixedly connected with the support rod (4), and the connecting plate (5) is detachably connected with the support (1).

4. The pile foundation static load experiment displacement measurement device of claim 3, characterized in that: the bracing piece (4) includes first supporting part (41) and second supporting part (42), first supporting part (41) and connecting plate (5) fixed connection, second supporting part (42) are located first supporting part (41) top to with first supporting part (41) threaded connection.

5. The pile foundation static load experiment displacement measurement device of claim 1, characterized in that: the lower surface of the platform (3) is fixedly provided with a connecting cylinder (31), and the support column (2) is inserted into the connecting cylinder (31) and connected with the connecting cylinder (31) in a sliding manner.

6. The pile foundation static load experiment displacement measurement device of claim 1, characterized in that: support (1) still is provided with reinforcement subassembly (6), and reinforcement subassembly (6) include sleeve (61) and connecting rod (62), and sleeve (61) and support (1) fixed connection and sleeve (61) slide with pillar (2) and be connected, and connecting rod (62) are located sleeve (61) circumferential surface, and connecting rod (62) rotate with sleeve (61) and are connected, and the other end and platform (3) bottom surface of connecting rod (62) rotate and are connected.

7. The pile foundation static load experiment displacement measurement device of claim 6, characterized in that: connecting rod (62) include fixed part (621) and pars contractilis (622), and fixed part (621) rotate with sleeve (61) and are connected, and pars contractilis (622) are inserted and are located in fixed part (621) and slide with fixed part (621) and be connected, and pars contractilis (622) other end rotates with platform (3) bottom surface and is connected.

8. The pile foundation static load experiment displacement measurement device of claim 7, characterized in that: the telescopic part (622) is fixedly provided with a flange (6221), and the fixing part (621) is provided with a clamping groove (6211) matched with the flange (6221) in a clamping manner.