CN212772505U

CN212772505U - Pile foundation static load energy-saving test equipment

Info

Publication number: CN212772505U
Application number: CN202021524060.0U
Authority: CN
Inventors: 陈建龙
Original assignee: Guangdong Hongtang Infrastructure Engineering Co ltd
Current assignee: Guangdong Hongtang Infrastructure Engineering Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-23
Anticipated expiration: 2030-07-28

Abstract

The utility model belongs to the technical field of ground basis detects and specifically relates to a pile foundation static load energy-saving testing equipment is related to, and it is including the jack that is located the pile foundation upper end, the vertical downward setting of telescopic link of jack, the lower extreme of telescopic link conflict with the upper end of pile foundation, the upper end of the cylinder body of jack is provided with the bearing plate, the week side of bearing plate is provided with the storage box that a plurality of is used for loading the counter weight material, a plurality of the storage box winds the bearing plate encloses into a square frame, the lower extreme of storage box is contradicted in ground. This application simple structure can use materials on the spot, and no waste produces, and energy-concerving and environment-protective has the emergence that reduces the phenomenon that the balancing weight landing or collapsed simultaneously, the effect of improve equipment's security.

Description

Pile foundation static load energy-saving test equipment

Technical Field

The application relates to the field of foundation detection, in particular to a pile foundation static load energy-saving test device.

Background

The foundation base refers to an enlarged part of a house based on a foundation, in which walls or columns are buried in the ground. The design and inspection of foundation foundations is an important ring of work for construction engineers. The foundation detection comprises foundation type, material, size and embedding depth; the degree of cracking, corrosion or damage to the foundation; strength grade of the base material; inclination, bending, twisting, etc. of the foundation; the penetration depth of the pile foundation, the condition of the bearing stratum, the quality of the pile body and the like. The static load test of the pile foundation is a technology for detecting the bearing capacity of the pile foundation in engineering. In the aspect of determining the ultimate bearing capacity of a single pile, the method is the most accurate and reliable test method at present, and is used for judging whether a certain dynamic load test method is mature or not, and the comparison error of static load test results is taken as the basis. Therefore, the single pile static load test is listed as the first place in each foundation design and treatment specification. The loading method for carrying out the static load test of the pile foundation comprises a pile loading method, an anchor pile method and a self-balancing method, and waste is not generated in the test process, so that the effects of energy conservation and environmental protection are achieved.

In the prior art, a pile-loading reaction beam device is generally adopted in a pile-loading method, a bearing platform is arranged on a pile top by using a steel beam, a balancing weight is stacked on the bearing platform, and the bearing platform is gradually jacked up by a jack placed at a pile head, so that force is applied to a pile body. The bearing platform is set to be square or rectangular according to the requirement, and the balancing weight used by the balancing weight generally adopts a concrete precast block and a precast pile.

Aiming at the related technologies, the inventor thinks that the defects of easy sliding or collapse of the balancing weight and poor safety exist after the stacking and loading are carried for many times.

SUMMERY OF THE UTILITY MODEL

In order to reduce the emergence of the phenomenon that the balancing weight landing or collapsed, improve equipment's security, this application provides a pile foundation static load energy-saving test equipment.

The application provides a pile foundation static load energy-saving test equipment adopts following technical scheme:

the utility model provides a pile foundation static load energy-saving test equipment, is including the jack that is located the pile foundation upper end, the vertical downward setting of telescopic link of jack, the lower extreme of telescopic link conflict with the upper end of pile foundation, the upper end of the cylinder body of jack is provided with the bearing plate, the week side of bearing plate is provided with the storage box that a plurality of is used for loading the counter weight material, a plurality of the storage box winds the bearing plate encloses into a square frame, the lower extreme of storage box is contradicted in ground.

Through adopting above-mentioned technical scheme, during the use, add the counter weight material in to the storage box, then start the jack, the cylinder body rebound of jack, promote bearing plate rebound simultaneously, meanwhile, the storage box leaves ground a bit, the bearing plate passes through the extension rod with the effort of storage box transmission and transmits to the fixed plate on, and then transmit to the pile foundation, and effort between storage box and the ground is contradicted ground all the time from the biggest in-process storage box for zero, so, can reduce the emergence of the phenomenon of balancing weight landing or collapsing, improve equipment's security.

Preferably, the lower extreme of telescopic link still be provided with the coaxial extension rod that sets up of telescopic link, the lower extreme of extension rod contradict with the upper end of pile foundation.

Through adopting above-mentioned technical scheme, the setting up of extension rod makes the bearing plate longer apart from the distance of pile foundation, and the height from making to set up the storage box on the bearing plate can be higher to increase the biggest heavy burden of storage box, increase the practicality of equipment.

Preferably, still be provided with the stabilizer pipe on the jack, the stabilizer pipe cup joint in the lateral wall of cylinder body and with the cylinder body cooperation of sliding, the lower extreme of stabilizer pipe contradict in the upper end of pile foundation.

Through adopting above-mentioned technical scheme, the setting up of stabilizer tube makes the cylinder body of jack can slide by stabilizer tube relatively to improve the stability of jack at the during operation.

Preferably, each storage box is close to the upper end of one side of bearing plate is provided with the connecting strip, the connecting strip is located the top of bearing plate, and will through the bolt the connecting strip with bearing plate fixed connection.

By adopting the technical scheme, the storage box is convenient to mount and dismount through the connecting strips and the bolts.

Preferably, all vertically be provided with the backup pad around the bearing plate lower surface, the lateral surface of backup pad with the laminating is mutually in the lateral wall of storage box, and the height of backup pad is at least for the third of storage box height.

Through adopting above-mentioned technical scheme, the setting of backup pad can support the storage box, has improved the stability of being connected between storage box and the bearing plate.

Preferably, a plurality of reinforcing ribs are further arranged between the supporting plate and the bearing plate.

Through adopting above-mentioned technical scheme, the structural strength between backup pad and the bearing plate has been strengthened in the setting of strengthening rib.

Preferably, the tip level of telescopic link is provided with the fixed plate, the lower surface of fixed plate with the upper surface of pile foundation is contradicted.

Through adopting above-mentioned technical scheme, the phenomenon that the extension rod appears stress concentration when directly transmitting the effort to the pile foundation upper end is avoided in the setting of fixed plate, leads to the upper end of pile foundation probably to damage, influences going on of test work.

Preferably, the area of the lower surface of the fixing plate is larger than the surface area of the upper end of the pile foundation, and the position where the pile foundation is movably abutted against the fixing plate is located in the middle of the fixing plate.

Through adopting above-mentioned technical scheme, the effort that the fixed plate born can transmit every department position of pile foundation upper end, improves the accuracy of test.

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

1. when the storage box is used, the counterweight materials are added into the storage box, then the jack is started, the cylinder body of the jack moves upwards, the bearing plate is pushed to move upwards, meanwhile, the storage box leaves the ground a little bit, the bearing plate transmits the acting force transmitted by the storage box to the fixing plate through the extension rod and further transmits the acting force to the pile foundation, and the storage box always props against the ground in the process that the acting force between the storage box and the ground is zero from the maximum, so that the phenomenon that the counterweight blocks slide down or collapse can be reduced, and the safety of equipment is improved;

2. the arrangement of the extension rod enables the distance between the bearing plate and the pile foundation to be longer, so that the height of the storage box arranged on the bearing plate can be higher, the maximum load of the storage box is increased, and the practicability of the equipment is improved;

3. the setting of fixed plate avoids the extension rod directly to appear stress concentration's phenomenon when transmitting the effort to the pile foundation upper end, leads to the upper end of pile foundation probably to damage, influences going on of test work.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the structure below the bearing plate and inside the stabilizing tube in the embodiment of the present application.

Description of reference numerals: 1. a pile foundation; 2. a jack; 21. a telescopic rod; 211; an extension pole; 22. a cylinder body; 3. a fixing plate; 4. a stabilizer tube; 5. a bearing plate; 51. a support plate; 52. reinforcing ribs; 6. a storage box; 61. a connecting strip; 62. a bolt; 7. and (4) the ground.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses energy-conserving test equipment of pile foundation static load. Referring to fig. 1 and 2, the energy-conserving test equipment of pile foundation 1 static load includes jack 2 that is located the pile foundation 1 upper end that sets up on ground 7, and the telescopic link 21 of jack 2 is vertical to be set up downwards, and simultaneously, the lower extreme of telescopic link 21 still is provided with the extension rod 211 with the coaxial setting of telescopic link 21, and extension rod 211 is the same with the diameter of telescopic link 21, can dismantle through a pair of ring flange (not shown in the figure) between the lower extreme of the upper end of extension rod 211 and telescopic link 21 and be connected, so easy to assemble or dismantle extension rod 211. Extension rod 211's below level is provided with fixed plate 3, and extension rod 211's lower extreme is inconsistent with fixed plate 3's upper surface, and fixed plate 3 is squarely, and high strength thick steel plate can be chooseed for use to fixed plate 3's material. The position that fixed plate 3 contradicts with telescopic link 21 is located the middle part position department of fixed plate 3 upper surface, and the phenomenon that appears stress concentration when extension rod 211 is direct to transmit effort to pile foundation 1 upper end is avoided in the setting of fixed plate 3, leads to the upper end of pile foundation 1 probably to damage, influences going on of test work.

Referring to fig. 2, the lower surface of the fixing plate 3 is abutted to the surface of the upper end of the pile foundation 1, the area of the lower surface of the fixing plate 3 is larger than the surface area of the upper end face of the pile foundation 1, and the position of the pile foundation 1 abutted to the activity is located in the middle of the fixing plate 3. The effort that fixed plate 3 born like this can transmit every department position of pile foundation 1 upper end, improves the accuracy of test. Meanwhile, still vertically be provided with the stabilizer tube 4 on jack 2, stabilizer tube 4 cup joints in the lateral wall of cylinder body 22 and with the cylinder body 22 cooperation of sliding, the lower extreme fixed connection of stabilizer tube 4 is in the upper surface of fixed plate 3, and when jack 2's telescopic link 21 is under the contraction state, the upper end of stabilizer tube 4 is close to the upper end of jack 2's cylinder body 22, and the distance of the upper end of stabilizer tube 4 to the upper end of cylinder body 22 can be the quarter of cylinder body 22 height. The arrangement of the stabilising tube 4 allows the cylinder 22 of the jack 2 to slide relative to the stabilising tube 4, thereby improving the stability of the jack 2 in operation.

Referring to fig. 1 and 2, the upper end level of the cylinder body 22 of jack 2 is provided with bearing plate 5, and bearing plate 5 is squarely, and the position that cylinder body 22 and bearing plate 5 are connected is located the middle part position department of bearing plate 5 lower surface, and the week side of bearing plate 5 is provided with a plurality of and is used for loading the storage box 6 of counter weight material, and the lower extreme of storage box 6 is contradicted in 7 with ground, and counter weight material can directly be drawn materials on the spot, pours into storage box 6 with the soil in the building site. In this embodiment, the number of the storage boxes 6 is four, the four storage boxes 6 have the same specification, the opening ends of the storage boxes 6 are rectangular, one side wall of one storage box 6 in the length direction is attached to the side surface of the bearing plate 5, the side surface of one end of the storage box 6 is flush with the side surface of one side adjacent to the bearing plate 5, the other end of the storage box 6 protrudes out of the bearing plate 5, one side surface of one end of the next storage box 6 is attached to the side surface of the storage box 6 close to the bearing plate 5, and the above steps are repeated, and the four storage boxes 6 are surrounded by the bearing plate 5 to form a square frame; if the load is increased, the storage box 6 with a large size at one end can be arranged outside the storage box 6.

Referring to fig. 1 and 2, a connecting strip 61 is horizontally arranged at the upper end of one side of each storage box 6 close to the bearing plate 5, the connecting strip 61 is positioned above the bearing plate 5, and the connecting strip 61 and the bearing plate 5 are fixedly connected through a plurality of bolts 62, so that the storage boxes 6 are convenient to mount and dismount. In addition, the downside of keeping away from the side of bearing plate 5 at storage box 6 is provided with ejection of compact chamber door (not shown in the figure), and the back that finishes of the test can take out the counter weight material through opening ejection of compact chamber door, so makes things convenient for later stage to retrieve storage box 6.

Referring to fig. 2, in addition, support plates 51 are vertically arranged on the periphery of the lower surface of the bearing plate 5, two adjacent support plates 51 are fixedly connected, the outer side surfaces of the support plates 51 are attached to the outer side wall of the storage box 6, and the height of each support plate 51 is at least one third of the height of the storage box 6. Meanwhile, a plurality of reinforcing ribs 52 are further arranged between each supporting plate 51 and the bearing plate 5, in this embodiment, the number of the reinforcing ribs 52 on each side may be two, and the two reinforcing ribs 52 are uniformly arranged at intervals.

The implementation principle of the pile foundation static load energy-saving test equipment in the embodiment of the application is as follows: during the use, install each part the back well, to adding the counter weight material in the storage box 6, then start jack 2, the cylinder body 22 of jack 2 moves upwards, promote bearing plate 5 and move upwards simultaneously, meanwhile storage box 6 leaves ground 7 a bit, bearing plate 5 passes through extension rod 211 with the effort of storage box 6 transmission and transmits fixed plate 3 on, and then transmit on pile foundation 1, and effort between storage box 6 and the ground 7 conflicts ground 7 from the biggest in-process storage box 6 for zero all the time, so, can reduce the emergence of the phenomenon of balancing weight landing or collapse, improve equipment's security.

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 energy-saving test equipment which characterized in that: including jack (2) that are located pile foundation (1) upper end, the vertical downward setting in telescopic link (21) of jack (2), the lower extreme of telescopic link (21) contradict with the upper end of pile foundation (1), the upper end of cylinder body (22) of jack (2) is provided with bearing plate (5), the week side of bearing plate (5) is provided with storage box (6) that a plurality of is used for loading the counter weight material, a plurality of storage box (6) wind bearing plate (5) enclose into a square frame, the lower extreme of storage box (6) contradicts in ground (7).

2. The pile foundation static load energy-saving test equipment according to claim 1, characterized in that: the lower extreme of telescopic link (21) still be provided with extension rod (211) of telescopic link (21) coaxial setting, the lower extreme of extension rod (211) contradict with the upper end of pile foundation (1).

3. The pile foundation static load energy-saving test equipment according to claim 2, characterized in that: still be provided with stabilizator pipe (4) on jack (2), stabilizator pipe (4) cup joint in the lateral wall of cylinder body (22) and with cylinder body (22) cooperation of sliding, the lower extreme of stabilizator pipe (4) contradict in the upper end of pile foundation (1).

4. The pile foundation static load energy-saving test equipment according to claim 1, characterized in that: every storage box (6) are close to the upper end of one side of bearing plate (5) is provided with connecting strip (61), connecting strip (61) are located the top of bearing plate (5), and will through bolt (62) connecting strip (61) with bearing plate (5) fixed connection.

5. The pile foundation static load energy-saving test equipment of claim 4, characterized in that: the utility model discloses a storage box, including bearing plate (5), backup pad (51), the lateral surface of backup pad (51) with the lateral wall of storage box (6) is laminated mutually, and the height of backup pad (51) is at least for the third of storage box (6) height all vertically around, bearing plate (5) lower surface.

6. The pile foundation static load energy-saving test equipment according to claim 5, characterized in that: a plurality of reinforcing ribs (52) are further arranged between the supporting plate (51) and the bearing plate (5).

7. The pile foundation static load energy-saving test equipment according to claim 1, characterized in that: the tip level of telescopic link (21) is provided with fixed plate (3), the lower surface of fixed plate (3) with the upper surface of pile foundation (1) is contradicted.

8. The pile foundation static load energy-saving test equipment of claim 7, characterized in that: the area of the lower surface of the fixing plate (3) is larger than the surface area of the upper end of the pile foundation (1), and the position of the pile foundation (1) and the position of the movable collision of the fixing plate (3) are located in the middle of the fixing plate (3).