CN218437225U - Vertical resistance to compression static load test device of pile foundation - Google Patents

Abstract

The utility model relates to the technical field of pile foundation static load tests, in particular to a pile foundation vertical compression-resistant static load test device, which comprises a pile foundation and a jack, wherein the top of the jack is provided with a first load-bearing vehicle, the first load-bearing vehicle consists of wheels, a support frame and hangers, the number of the wheels is four, the four wheels are respectively and rotatably connected with support legs, the four support legs are respectively and fixedly connected with four corners of the bottom of the support frame, the hangers are fixedly arranged on the side wall of the support frame, the bottom of support frame offsets with the top of jack, and the heavy object has been placed at the top of support frame, and the bottom of support frame is equipped with stable subassembly, through with first carrier vehicle remove the pile foundation top, place the heavy object on the support frame surface to let the jack with the support frame jack-up, this process need not to use haulage vehicle and crane, just can realize the resistance to compression static test purpose to the pile foundation fast, the effectual static test cost that reduces the pile foundation, and the test procedure is simple convenient.

Description

Vertical resistance to compression static load test device of pile foundation

Technical Field

The utility model relates to a pile foundation static load test technical field specifically is a vertical resistance to compression static load test device of pile foundation.

Background

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 the single pile, the method is the most accurate and reliable test method, and is used for judging whether a certain dynamic load test method is mature or not, and the comparison error of the static load test result is used as the basis.

At present in pile foundation static load test, the load that acts on the pile foundation is generally provided by counterforce device, counterforce device is exactly to use the girder steel to set up a bearing platform at the pile foundation top, go up and pile the heavy object, rely on the jack of putting at the pile foundation top to jack up the platform step by step, thereby apply the power to the pile basic unit body in order to carry out pile foundation static load test, however counterforce device among the current pile foundation static load test needs haulage vehicle and crane cooperation, when needs carry out static load test to a plurality of pile foundations of geology complicacy, need haulage vehicle and crane hoist and mount repeatedly and uninstallation, require the height to the breadth in operation place, the operation is loaded down with trivial details, consuming time is high, and is high in cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical resistance to compression static load test device of pile foundation to it is comparatively inconvenient to the static load test of a plurality of pile foundations to propose to have now in solving above-mentioned background art, and hoist and mount and uninstallation are loaded down with trivial details, and is consuming time high, the higher problem of resistance to compression static load test cost of pile foundation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a vertical resistance to compression static test device of pile foundation, includes the pile foundation and places the jack on the pile foundation surface, the top of jack is equipped with the first car that bears, the first car that bears comprises wheel, support frame and hangers, the quantity of wheel is equipped with four, four the wheel rotates respectively and is connected with the supporting leg, four supporting legs respectively with the bottom four corners fixed connection of support frame, hangers fixed mounting is at the lateral wall of support frame, the bottom of support frame offsets with the top of jack, just the heavy object that is used for pile foundation resistance to compression static test is placed at the top of support frame, the bottom of support frame is equipped with and is used for stabilizing the first stable subassembly that bears the car state of standing.

Preferably, the top of the first carrier vehicle is equipped with a second carrier vehicle, the second carrier vehicle has the same structure as the first carrier vehicle, the width of the second carrier vehicle is greater than that of the first carrier vehicle, and the weight is arranged between the first carrier vehicle and the second carrier vehicle.

Preferably, the support frame is made of I-steel.

Preferably, the weight is composed of a plurality of reinforced concrete prefabricated blocks.

Preferably, the stabilizing assemblies are two groups, two groups of stabilizing assemblies are symmetrically assembled at the bottom of the support frame and comprise two hydraulic cylinders, the two hydraulic cylinders are rotatably connected with connecting blocks fixed at the bottom of the support frame, support plates are fixed at the output ends of the hydraulic cylinders, and the support plates are abutted to the ground.

Preferably, the second bears the car and articulates with the upper portion of four wheel corresponding positions to have the upset arm, the one end that the articulated shaft was kept away from to the upset arm is equipped with horizontal pillow board, the upside of pillow board meets with the bottom that corresponds the position wheel, it has the locator to articulate between the supporting leg of upset arm and corresponding side, the locator includes mutual articulated first locating lever and second locating lever, be equipped with spacing portion between first locating lever and the second locating lever.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a bearing vehicle, including the first bearing vehicle, the first bearing vehicle of bearing is on the first bearing vehicle of first bearing, and the first bearing vehicle of first bearing vehicle is on the support frame surface, places the heavy object on the support frame surface to let the jack with support frame jack-up, this process need not to use haulage vehicle and crane, just can be fast realize the resistance to compression static test purpose to a plurality of pile foundations, the effectual static test cost that reduces the pile foundation, and the process of the test is simple convenient.

(2) The second bears the car and removes first car top of bearing through bearing the car to bear the heavy object on the surface of car at the second and place the heavy object, when making first heavy object pressure that bears the car surface not enough, need not to use the crane to carry the heavy object, this kind of mode that increases pile foundation top heavy object pressure is simple convenient, and is efficient, and the practicality is strong, is favorable to further reducing the vertical resistance to compression static test cost of pile foundation.

(3) The vehicle can be more reliably guaranteed to be more stable and reliable in use through the arranged overturning arm sea and the pillow plate, and the situation that the vehicle is accidentally moved by the vehicle is avoided.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of the overall explosion structure of the present invention;

fig. 4 is a schematic view of the overall structure of the first load-bearing vehicle and the heavy object when the hydraulic cylinder is retracted;

fig. 5 is a schematic side view of the structure of fig. 4 according to the present invention.

Fig. 6 is a schematic external structural diagram of a second embodiment of the present invention.

Fig. 7 is a partial schematic view of the second limiting portion of the present invention after being supported.

In the figure: 100. a pile foundation; 1. a jack; 2. a first carrier vehicle; 21. a wheel; 22. a support frame; 23. hanging a lug; 3. a stabilizing assembly; 31. a hydraulic cylinder; 32. a support plate; 4. a weight; 5. a second carriage; 51. a turning arm; 501. a pillow plate; 52. a first positioning rod; 521. a hinge position; 522. opening; 53. a second positioning rod; 531. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

the first embodiment is as follows: the utility model provides a vertical resistance to compression static test device of pile foundation, includes pile foundation 100 and places jack 1 on pile foundation 100 surface, wherein pile foundation 100 is in the soil, as shown in fig. 2 and 3, jack 1's top is equipped with first carrier vehicle 2, first carrier vehicle 2 comprises wheel 21, support frame 22 and hangers 23, the quantity of wheel 21 is equipped with four, four wheel 21 rotates respectively and is connected with the supporting leg, four supporting legs respectively with the bottom four corners fixed connection of support frame 22, worth mentioning, support frame 22 comprises the I-steel to improve the structural strength of first carrier vehicle 2, hangers 23 fixed mounting is at the lateral wall of support frame 22, and hanger 23 in-connection has the haulage rope, and the other end of haulage rope is connected with the tractor, the bottom of support frame 22 offsets with the top of jack 1, and the heavy object 4 used for the static load test of the pile foundation 100 against pressure is placed at the top of the support frame 22, it should be noted that the heavy object 4 is composed of a plurality of reinforced concrete precast blocks, the plurality of reinforced concrete precast blocks are placed on the surface of the support frame 22 in order to provide the downward pressure to the pile foundation, the stabilizing component 3 used for stabilizing the standing state of the first carrier vehicle 2 is assembled at the bottom of the support frame 22, the heavy object 4 is placed on the surface of the support frame 22 and jacked up by the jack 1, so that the heavy object 4 can provide enough downward pressure to the pile foundation 100 to realize the static load test of the pile foundation 100 against pressure, since the first carrier vehicle 2 can be moved above the pile foundation 100 by a tractor without using a crane and a transport vehicle used for loading the heavy object 4, the static load test of the pile foundation 100 is convenient and the cost of the static load test of the pile foundation 100 against pressure is effectively reduced, simultaneously when the pile foundation 100 of other positions departments carries out the resistance to compression static load test as needs, only need with first carrier vehicle 2 remove appointed pile foundation 100 department can, need not additionally to build the bearing platform, easy operation is convenient, can realize the resistance to compression static load test purpose to a plurality of pile foundations 100 fast, the test efficiency is high.

Further, as shown in fig. 2, because different pile foundations 100 bear different downward pressures, more weights 4 are needed to meet the requirement, in the conventional way of increasing the weight of the weight 4, a plurality of weights 4 are stacked on each other by a crane, and the way of increasing the weight of the weight 4 virtually reduces the static load test efficiency of the pile foundations 100, in order to avoid this phenomenon, a second carrier vehicle 5 is assembled on top of the first carrier vehicle 2, the second carrier vehicle 5 has the same structure as the first carrier vehicle 2, and the width of the second carrier vehicle 5 is greater than the width of the first carrier vehicle 2, so that the second carrier vehicle 5 can move above the first carrier vehicle 2, as shown in fig. 3, the weight 4 is arranged between the first carrier vehicle 2 and the second carrier vehicle 5, and by placing the weight 4 on the surface of the second carrier vehicle 5, then the second carrier vehicle 5 can move above the first carrier vehicle 2, thereby achieving the purpose of increasing the weight 4, which is simple and convenient, and more convenient.

Further, as shown in fig. 3, in order to avoid the first carrier vehicle 2 from shifting to the top of the pile foundation 100, the stabilizing assembly 3 is provided with two sets of stabilizing assemblies 3, two sets of stabilizing assemblies 3 are symmetrically assembled at the bottom of the supporting frame 22, the stabilizing assemblies 3 include two hydraulic cylinders 31, the two hydraulic cylinders 31 are rotatably connected with connecting blocks fixed at the bottom of the supporting frame 22, and the output ends of the two hydraulic cylinders 31 are fixed with supporting plates 32, and the supporting plates 32 are abutted to the ground, so as to improve the stability of the first carrier vehicle 2 above the pile foundation 100 and when carrying the heavy object 4.

The working principle is as follows: when vertical compression resistance static load test needs to be carried out on the pile foundation 100, the jack 1 is placed above the pile foundation 100, the heavy object 4 is placed on the surface of the support frame 22, the hanging lug 23 is hung by using the traction rope, the other end of the traction rope is connected with the tractor, under the pulling of the tractor, the first carrier vehicle 2 is moved above the jack 1, the top of the jack 1 is made to abut against the bottom of the support frame 22, the hydraulic cylinder 31 is rotated at the moment, the support plate 32 abuts against the ground, as shown in fig. 1, then the top of the jack 1 is controlled to ascend, the top of the jack 1 is subjected to the downward pressure of the heavy object 4 at the moment, and the purpose of the vertical compression resistance static load test on the pile foundation 100 is completed.

When more weights 4 need to be added, at this time, the additional weights 4 are placed on the surface of the second carrier vehicle 5 in advance, and then the tractor is used to move the second carrier vehicle 5 to the top of the first carrier vehicle 2, and in this process, large-scale equipment such as a crane does not need to be used, and by controlling the top of the jack 1 to rise, at this time, the weights 4 in the first carrier vehicle 2 and the second carrier vehicle 5 provide downward pressure on the top of the jack 1, so as to achieve the purpose of the static load test of the pile foundation 100.

Example two: the utility model provides a pile foundation vertical resistance to compression static load test device is different from the embodiment one, the second bears the car 5 and articulates with the upper portion of four wheel corresponding positions and has a upset arm 51, and the one end that upset arm 51 kept away from the articulated shaft is equipped with horizontal pillow 501, the upside of pillow 501 meets with the bottom that corresponds the position wheel, it has the locator to articulate between the supporting leg of upset arm 51 and corresponding side, the locator includes first locating rod 52 and second locating rod 53 of mutual articulated, be equipped with spacing portion between first locating rod 52 and the second locating rod 53, spacing portion includes opening 522 and arch 531, the one end of first locating rod 52 is articulated with the front side of supporting leg, the other end of first locating rod 52 is equipped with opening 522, the one end of second locating rod 53 with the middle part inboard of upset arm 51 is articulated, be equipped with articulated position 521 between the one end of second locating rod 53 and first locating rod 52, the articulated position 521 of this place is established in one side of opening 522, the one side that second locating rod 53 and opening 522 correspond is equipped with the arch 531, the distance is equal to the articulated position 521 of opening 521. When the second carrier vehicle 5 is used as a load, the hinge position 521 is turned to lower the turnover arm 51 until the pillow plate 501 is covered to the bottom of the outer side of the wheel, so that the accidental rotation of the wheel can be limited, and the safety of the device is enhanced; when the whole movement is needed, the turnover arm 51 is turned up until the first positioning rod 52 and the second positioning rod 53 are collinear, at this time, the protrusion 531 is embedded into the notch 522 through the lateral elastic deformation of the notch 522, the limiting of the limiting part is realized, and the position locking of the turnover arm 51 is realized.

Claims (6)

1. The utility model provides a vertical resistance to compression static load test device of pile foundation, includes pile foundation (100) and places jack (1) on pile foundation (100) surface, its characterized in that: the top of jack (1) is equipped with first carrier vehicle (2), first carrier vehicle (2) comprises wheel (21), support frame (22) and hangers (23), the quantity of wheel (21) is equipped with four, four wheel (21) rotate respectively and are connected with the supporting leg, four supporting legs respectively with the bottom four corners fixed connection of support frame (22), hangers (23) fixed mounting is at the lateral wall of support frame (22), the bottom of support frame (22) offsets with the top of jack (1), just heavy object (4) that are used for pile foundation (100) resistance to compression static load test have been placed at the top of support frame (22), the bottom of support frame (22) is equipped with and is used for stabilizing first carrier vehicle (2) steady state (3).

2. The vertical anti-compression static load test device for the pile foundation of claim 1, wherein: the top of the first bearing vehicle (2) is provided with a second bearing vehicle (5), the second bearing vehicle (5) has the same structure with the first bearing vehicle (2), the width of the second bearing vehicle (5) is larger than that of the first bearing vehicle (2), and the heavy object (4) is arranged between the first bearing vehicle (2) and the second bearing vehicle (5).

3. The vertical resistance to compression static load test device of pile foundation of claim 1, characterized in that: the support frame (22) is made of I-shaped steel.

4. The vertical anti-compression static load test device for the pile foundation of claim 1, wherein: the heavy object (4) is composed of a plurality of reinforced concrete precast blocks.

5. The vertical anti-compression static load test device for the pile foundation of claim 1, wherein: stabilize subassembly (3) and be equipped with two sets ofly, two sets of stabilize subassembly (3) symmetry assembly in the bottom of support frame (22), just stabilize subassembly (3) and include two pneumatic cylinders (31), two pneumatic cylinder (31) are rotated with the connecting block of fixing in support frame (22) bottom and are connected, and two the output of pneumatic cylinder (31) is fixed with backup pad (32), backup pad (32) offset with ground.

6. The vertical anti-compression static load test device for the pile foundation of claim 2, wherein: the upper portion that second bears car (5) and four wheels corresponding position articulates there is upset arm (51), the one end that the articulated shaft was kept away from in upset arm (51) is equipped with horizontal pillow board (501), the upside of pillow board (501) meets with the bottom that corresponds the position wheel, it has the locator to articulate between the supporting leg of upset arm (51) and corresponding side, the locator includes mutual articulated first locating lever (52) and second locating lever (53), be equipped with spacing portion between first locating lever (52) and second locating lever (53).

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