CN218437229U

CN218437229U - Pile foundation static load compression test device

Info

Publication number: CN218437229U
Application number: CN202222811272.2U
Authority: CN
Inventors: 徐妍妍; 刘天琦; 李洋; 贾文瑞; 刘青凯; 王腾飞; 苏春雷; 马立明; 尹春播; 王宇; 王丽; 王洪秀; 耿瑞
Original assignee: Tangshan Dashi Detection Co ltd
Current assignee: Tangshan Dashi Detection Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a pile foundation detects technical field, especially relates to a pile foundation static load compression test device. Including hydro-cylinder and displacement monitoring system, the top and the supporting part of hydro-cylinder meet, and the top of supporting part is equipped with the bearing part, and the both sides of supporting part are equipped with the support frame, and the support frame includes the floor of bottom and the frame plate of both sides, and the top at the bearing part is set up to the one end of frame plate, and the other end and the floor of both sides frame plate constitute and pile up the room, and it has the counter weight material to pile up the indoor packing of room, and the top of support frame and supporting part is equipped with counter weight portion. When in use, the counterweight material in the piling room can be matched with the counterweight part at the top of the supporting part to provide counter force for the experimental device, so that the gravity center of the whole counterweight is reduced, and the safety is improved.

Description

Pile foundation static load compression test device

Technical Field

The utility model relates to a pile foundation detects technical field, especially relates to a pile foundation static load compression test device.

Background

The pile foundation is an important foundation form, and is used in various building engineering with poor natural foundation conditions. Whether the pile foundation is qualified or not is related to the safety of the whole construction engineering, and the quality detection of the foundation pile becomes a key link for ensuring that the foundation quality meets the design requirement. The single-pile vertical compression-resistant static load test is a main method for detecting bearing capacity of a foundation pile, and is characterized in that vertical load is uniformly transmitted to a foundation pile of a building, pile top settlement displacement of the single pile under different load effects is actually measured through a displacement monitoring system to obtain a corresponding Q _ s curve, parameters such as a characteristic value of the single-pile vertical compression-resistant bearing capacity are judged according to the curve, and a basis is provided for foundation design and acceptance.

The vertical load among the prior art here is generally provided by counterforce, chinese patent "CN213508616U a large-tonnage pile foundation weight formula static test device" discloses a static test device, its counterforce mainly comprises buttress, top surface steel sheet and counter weight, however this kind of counterforce device generally only provides the required counter force of experiment by the counter weight at top when using, need pile up higher counter weight on the top surface steel sheet when needing large-tonnage counter force, centrobaric increase has brought very big potential safety hazard for the experiment, it is serious when buttress shakiness or buttress bottom soil is not hard up, can cause the incident that whole counterforce device collapsed, operation personnel have brought serious safety risk around for.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, it is not enough to the technique that the aforesaid exists, provides a pile foundation static load compression test device, adopts the support frame cooperation supporting part that is provided with the heap room to realize the supplementary counter weight of support frame both sides, provides the counter-force for experimental apparatus jointly by the supplementary configuration of bottom and the balancing weight at top, has solved the high problem that has very big potential safety hazard of experimental apparatus focus.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a pile foundation static load compression test device, includes hydro-cylinder and displacement monitoring system, and the top and the supporting part of hydro-cylinder meet, and the top of supporting part is equipped with the bearing part, and the both sides of supporting part are equipped with the support frame, and the support frame includes the floor of bottom and the frame plate of both sides, and the top at the bearing part is set up to the one end of frame plate, and the other end and the floor of both sides frame plate constitute and pile up the room, and it has the counter weight material to pile up the indoor packing, and the top of support frame and supporting part is equipped with counter weight portion. When in use, the counterweight material in the piling room can be matched with the counterweight part at the top of the supporting part to provide counter force for the experimental device, so that the gravity center of the whole counterweight is reduced, and the safety is improved.

Further optimize this technical scheme, counter weight portion includes the carrier bar, and the middle part bottom surface of carrier bar meets with the top surface of carrier portion, and the both ends of carrier bar are respectively with the support frame joint of both sides, and the top of carrier bar is piled up and is had the balancing weight. The supporting frames on the two sides and the supporting part in the middle are built into a whole through the arranged bearing beam, so that the integral structural strength of the device is ensured; the simultaneously arranged bearing beam provides a bearing platform for the counterweight part at the top.

Further optimize this technical scheme, the supporting part one end top is kept away from to the frame plate of both sides articulates respectively has the joint arm, is connected with the joint roof beam between the joint arm of both sides, and the both ends of carrier beam are equipped with the draw-in groove with the position that the joint roof beam corresponds, and the joint roof beam is equipped with the guide surface with the corresponding one side upper portion of carrier beam, and the bottom of joint roof beam is equipped with the locking surface, and the locking surface joint is in the draw-in groove. The clamping beam freely falls under the action of self gravity through the hinged clamping arm, the clamping grooves at the two ends of the bearing beam are matched in the clamping manner, automatic clamping after the bearing beam is installed is realized, and the risk that the bearing beam is toppled due to unbalanced loading is avoided.

This technical scheme is further optimized, and the bottom on floor is equipped with a plurality of taper antiskid column. The support frame is prevented from accidentally sliding due to unstable ground in use through the arranged tapered anti-skidding columns.

Further optimize this technical scheme, the support frame top is equipped with the lewis hole, and the lewis hole is established in the frame plate. Through the lewis hole that sets up, it is more convenient to make whole experimental apparatus hoist and mount shift.

Further optimize this technical scheme, the both sides stretch out the support arm around the position that floor and supporting part correspond, are equipped with the anchor eye in the support arm. The supporting arms are extended out of the two sides, so that the contact surface between the supporting frame and the ground is further increased, the experimental requirements of different soil qualities can be met, and local collapse is avoided.

Drawings

Fig. 1 is a schematic structural diagram of one side of a static load compression test device for a pile foundation.

Fig. 2 is an explosion schematic diagram of a pile foundation static load compression test device.

Fig. 3 is a schematic structural diagram of a pile foundation static load compression test device in use.

In the figure: 1. a support frame; 11. a frame plate; 110. a stacking chamber; 12. a floor; 121. an anti-slip column; 13. a clamping arm; 14. clamping the beam; 141. a guide surface; 142. a stop surface; 15. hoisting holes; 16. a support arm; 17. an anchor hole; 2. a support portion; 21. a baffle plate; 22. a bearing part; 3. a load beam; 31. a card slot; 4. a counterweight block; 5. and (4) proportioning the materials.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly.

Combine shown in fig. 1-3, a pile foundation static load compression test device, including hydraulic stretching hydro-cylinder and displacement monitoring system, the hydro-cylinder setting is surveyed in supporting part 2, and the top and the supporting part 2 of hydro-cylinder meet, the top of supporting part 2 is equipped with supporting part 22, the both sides of supporting part 2 are equipped with baffle 21, and the baffle 21 of both sides and the supporting part 22 at top enclose supporting part 2 into a trapezoidally, the both sides of supporting part 2 symmetry respectively are provided with two support frames 1, support frame 1 includes the floor 12 of bottom and the vertical frame plate 11 of front and back both sides, the bottom on floor 12 is equipped with a plurality of taper non slipping spur 121, floor 12 with both sides have stretched out the support arm 16 around the position that supporting part 2 corresponds, be equipped with anchor eye 17 in the support arm 16. The top of the support frame 1 is provided with a hanging hole 15, and the hanging hole 15 is arranged in the frame plate 11. One end of the frame plate 11 is erected on the top of the bearing part 22, and the baffle 21 is in contact connection with the support frame 1. The other ends of the two shelves 11 of the same support frame 1 form a packing compartment 110 with the floor 12. When in use, the stacking chamber 110 is filled with the counterweight 5, and the top parts of the support frame 1 and the support part 2 are provided with counterweight parts.

As shown in fig. 2-3, the counterweight portion includes a carrier beam 3, a bottom surface of a middle portion of the carrier beam 3 is connected to a top surface of the carrier portion 22, two ends of the carrier beam 3 are respectively clamped to the support frames 1 on two sides, and a counterweight 4 is stacked on a top of the carrier beam 3.

As shown in fig. 2-3, the frame plates 11 on both sides are hinged to clamping arms 13 at the top of the end away from the supporting portion 2, a clamping beam 14 is connected between the clamping arms 13 on both sides, clamping grooves 31 with open ends are provided at the positions corresponding to the clamping beams 14 at both ends of the carrier beam 3, a guide surface 141 is provided at the upper portion of one side of the clamping beam 14 corresponding to the carrier beam 3, a stopping surface 142 is provided at the bottom of the clamping beam 14, and the stopping surface 142 is clamped in the clamping grooves 31.

When the pile foundation is used, as shown in fig. 1-3, the supporting part 2 is firstly erected on the upper part of the pile foundation, two sides of the supporting part 2 are pushed into two supporting frames 1, one end of the frame plate 11 is lapped on the upper side of the bearing part 22, the counterweight 5 is piled in the piling chamber 110, then the bearing beam 3 is installed, the bearing beam 3 is lifted from top to bottom to the top of the bearing part 22 and then gradually lowered, after two ends of the bearing beam 3 are contacted with the guide surfaces 141, the clamping beam 14 is pushed outwards under the guide effect of the inclined guide surfaces 141 until the clamping beam 14 falls into the clamping groove 31 under the combined action of gravity and the clamping arms 13, at the moment, the locking surface 142 falls into the clamping groove 31 to lock the bearing beam 3, and then the anchor rod is used for anchoring the anchor hole 17 of the floor 12 to complete the fixing of the supporting frame 1. And then, assuming a hydraulic oil cylinder and a displacement detection device, and finally placing a required counterweight at the top of the carrier bar 3 to complete the erection of the experimental device.

Claims

1. The utility model provides a pile foundation static load compression test device, includes hydro-cylinder and displacement monitoring system, the top and the supporting part (2) of hydro-cylinder meet, the top of supporting part (2) is equipped with bearing part (22), its characterized in that: the both sides of supporting part (2) are equipped with support frame (1), support frame (1) includes floor (12) and frame plate (11) of both sides of bottom, the one end of frame plate (11) is set up the top of bearing part (22), both sides the other end of frame plate (11) with floor (12) constitute and pile up room (110), it is filled with the counter weight material to pile up room (110), support frame (1) with the top of supporting part (2) is equipped with counter weight portion.

2. The pile foundation static load compression test device of claim 1, wherein: the counter weight portion includes carrier bar (3), the middle part bottom surface of carrier bar (3) with the top surface of carrier portion (22) meets, the both ends of carrier bar (3) respectively with both sides support frame (1) joint, the top of carrier bar (3) is piled up and is built balancing weight (4).

3. The pile foundation static pressure test device of claim 2, wherein: both sides frame plate (11) are kept away from supporting part (2) one end top articulates respectively has joint arm (13), both sides be connected with joint roof beam (14) between joint arm (13), the both ends of carrier bar (3) with the position that joint roof beam (14) correspond is equipped with draw-in groove (31), joint roof beam (14) with the corresponding one side upper portion of carrier bar (3) is equipped with spigot surface (141), the bottom of joint roof beam (14) is equipped with stop surface (142), stop surface (142) joint is in draw-in groove (31).

4. A pile foundation static load compression test apparatus according to claim 1 or 3, wherein: the bottom of the floor (12) is provided with a plurality of tapered anti-skidding columns (121).

5. A pile foundation static pressure test device according to claim 1 or 3, wherein: the top of the support frame (1) is provided with a lifting hole (15), and the lifting hole (15) is arranged in the frame plate (11).

6. A pile foundation static pressure test device according to claim 1 or 3, wherein: support arms (16) extend out of the front side and the rear side of the floor (12) corresponding to the support part (2), and anchor holes (17) are formed in the support arms (16).