Uplift pile bearing performance detection mechanism

Abstract

The utility model discloses an uplift pile bearing performance detection mechanism which comprises a base and a movable plate, the movable plate is arranged at the top end of the base through a positioning rod, vertical frames are fixed at the top end of the base, a top plate is fixed between the top ends of the vertical frames, and electric push rods are arranged on the two sides of the top end of the top plate. In the process of clamping an uplift pile, a motor is started to drive a rotating shaft to rotate through the action of a belt pulley, the rotating shaft drives an outer side gear to rotate, and a first rack and a second rack at the two ends move inwards at the same time under the meshing action so as to drive first clamping plates on the two sides to move inwards to clamp the two sides of the uplift pile; furthermore, the rotating shaft drives the threaded rods at the two ends to rotate, and the threaded sleeves drive the second clamping plates at the two ends to clamp the two ends of the uplift pile under the action of threaded connection, so that the fixing effect of the uplift pile during detection is improved by simultaneously clamping the uplift pile in multiple directions.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-pullout pile bearing performance detection, in particular to an anti-pullout pile bearing performance detection mechanism. Background Art

[0002] Pull-out piles are widely used in large basement anti-floating, high-rise building (structure) anti-pull-out, offshore dock platform anti-pull-out, suspension bridge and cable-stayed bridge anchor pile foundation, large dock bottom plate pile foundation and static load test pile anchor pile foundation. It refers to the piles driven to offset the buoyancy of the structure caused by water in the soil when the underground structure of the construction project is lower than the surrounding soil water level. After the pull-out piles are poured, their pull-out bearing capacity needs to be tested;

[0003] Chinese patent authorization announcement number CN 219386432 U discloses a foundation anti-pulling bearing performance testing device, which is configured to drive a bidirectional screw to rotate by a motor, drive the moving parts to move closer or farther from each other, drive the connecting rod to move, drive the fixed plate to move, and clamp the pile body. This structure can adapt to pile bodies of different sizes and specifications, thereby improving the applicability of the equipment;

[0004] The above-mentioned existing technical solutions have the following shortcomings: during use, the technical solution has a single clamping structure and cannot further achieve a good fixing effect. There is a certain room for optimization. Therefore, it is necessary to design an anti-pullout pile bearing performance detection mechanism to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a pull-out pile bearing performance detection mechanism to solve the problem of a single pull-out pile clamping structure proposed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a pull-out pile bearing performance detection mechanism, comprising a base and a movable plate, wherein the movable plate is arranged on the top of the base through a positioning rod;

[0007] The top of the base is fixed with a stand, and a top plate is fixed between the tops of the stand, electric push rods are arranged on both sides of the top of the top plate, and the output ends of the electric push rods are connected to the top of the movable plate;

[0008] An operating box is fixed to the bottom end of the movable plate, and a rotating shaft is rotatably connected inside the operating box, a gear is fixed to the outside of the rotating shaft, a first rack and a second rack are respectively provided at both ends inside the operating box, a first clamping plate is fixed to the bottom ends of the first rack and the second rack, a motor is provided at the top end of the movable plate, and the outer side of the motor output shaft is connected to the rotating shaft through a pulley, both ends of the rotating shaft extend to the outside of the operating box and are connected to a threaded rod, and the outer side of the threaded rod is threadedly connected to a threaded sleeve, a second clamping plate is fixed to the bottom end of the threaded sleeve, a threaded groove is opened inside the threaded sleeve, and the threaded groove is connected to the threaded rod.

[0009] When the pull-out pile bearing performance testing mechanism of the present technical solution is used, the pull-out pile is clamped from both ends, i.e., both sides, simultaneously to achieve an effective fixing effect during testing, a guide sleeve is provided to reduce the friction of the movable plate during lifting and lowering, and a counterweight block is provided to achieve the weight-increasing effect on the base.

[0010] Preferably, sleeve rods are fixed to the bottoms of both ends of the base, and counterweight blocks are evenly sleeved on the outer sides of the sleeve rods.

[0011] Preferably, guide sleeves are fixed on both sides of the movable plate, and grooves are provided on both sides of the inside of the guide sleeves, and guide wheels are provided inside the grooves.

[0012] Preferably, guide blocks are fixed to the outer sides of the first rack and the second rack, guide grooves are provided at both ends of the interior of the operation box, and the guide grooves are connected to the guide blocks.

[0013] Preferably, the width of the guide grooves matches the width of the guide blocks, and the guide grooves and the guide blocks are designed to be staggered at both ends inside the operating box.

[0014] Preferably, guide plates are fixed to both ends of the threaded sleeve, guide rods are evenly fixed to both sides of the operation box, and the guide rods are connected to the guide plates.

[0015] Preferably, anti-skid pads are arranged on the inner sides of the first clamping plate and the second clamping plate, and anti-skid patterns are evenly arranged on the inner sides of the anti-skid pads.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the anti-pulling pile bearing performance detection mechanism realizes multi-directional clamping and improves the function diversity;

[0017] During the clamping process of the anti-pull pile, the starting motor drives the rotating shaft to rotate through the pulley, and the rotating shaft drives the outer gear to rotate. Under the meshing action, the first rack and the second rack at both ends move inward at the same time, so as to drive the first clamping plates at both ends to move inward to clamp the two sides of the anti-pull pile. Further, the rotating shaft drives the threaded rods at both ends to rotate, and under the action of the threaded connection, the threaded sleeve drives the second clamping plates at both ends to clamp the two ends of the anti-pull pile, so as to improve the fixing effect during detection by clamping the anti-pull pile in multiple directions at the same time.

[0018] By providing a guide sleeve, during the lifting process of the movable plate, the friction of the movable plate during lifting and lowering can be reduced by using the guide wheel inside the guide sleeve, thereby reducing the occurrence of jamming and improving the convenience and smoothness of the lifting of the overall structure.

[0019] By arranging sleeve rods and counterweight blocks on both sides of the base, the base can be increased in weight by stacking the counterweight blocks during use, and the amount of weight increase can be adjusted according to usage requirements, thereby improving the stability of the base and enhancing the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 2 This is a front view structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the front cross-sectional structure of the guide sleeve of the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the threaded sleeve of the utility model;

[0025] Figure 5 It is a schematic diagram of the side cross-sectional structure of the operating box of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. top plate; 2. electric push rod; 3. stand; 4. base; 5. first clamping plate; 6. second clamping plate; 7. guide groove; 8. first rack; 9. guide block; 10. operating box; 11. guide sleeve; 12. motor; 13. gear; 14. rotating shaft; 15. second rack; 16. movable plate; 17. threaded sleeve; 18. guide plate; 19. guide rod; 20. counterweight; 21. sleeve rod; 22. groove; 23. guide wheel; 24. pulley; 25. threaded groove; 26. threaded rod; 27. positioning rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 5 , the utility model provides an embodiment: an anti-pullout pile bearing performance detection mechanism, including a base 4 and a movable plate 16;

[0029] The bottoms of both ends of the base 4 are fixed with sleeve rods 21, and the outer sides of the sleeve rods 21 are evenly sleeved with counterweights 20;

[0030] Specifically, Figure 2 As shown, when in use, the base 4 can be strengthened by the action of the sleeve rod 21 and the counterweight block 20;

[0031] The guide sleeves 11 are fixed on both sides of the movable plate 16, and grooves 22 are provided on both sides of the guide sleeve 11, and guide wheels 23 are provided inside the grooves 22;

[0032] Specifically, Figure 3 As shown, when in use, the guide wheel 23 can reduce the friction of the movable plate 16 when it is raised or lowered, thereby reducing the occurrence of jamming.

[0033] The movable plate 16 is arranged at the top of the base 4 through the positioning rod 27, the top of the base 4 is fixed with a stand 3, and the top plate 1 is fixed between the tops of the stand 3, the two sides of the top of the top plate 1 are provided with electric push rods 2, and the output ends of the electric push rods 2 are connected to the top of the movable plate 16, the bottom of the movable plate 16 is fixed with an operation box 10, and the inside of the operation box 10 is rotatably connected with a rotating shaft 14, the outside of the rotating shaft 14 is fixed with a gear 13, and the two ends of the inside of the operation box 10 are respectively provided with a first rack 8 and a second rack 15;

[0034] Guide blocks 9 are fixed to the outer sides of the first rack 8 and the second rack 15, guide grooves 7 are provided at both ends of the operation box 10, and the guide grooves 7 are connected to the guide blocks 9, the width of the guide grooves 7 matches the width of the guide blocks 9, and the guide grooves 7 and the guide blocks 9 are staggered at both ends of the operation box 10;

[0035] Specifically, Figure 1 As shown, when in use, the guide block 9 and the guide groove 7 can realize the guide limit function when the rack moves;

[0036] The inner sides of the first clamping plate 5 and the second clamping plate 6 are both provided with anti-skid pads, and the inner sides of the anti-skid pads are evenly provided with anti-skid patterns;

[0037] Specifically, Figure 1 As shown, when in use, the anti-skid pad can increase the friction between the anti-pullout pile and the anti-pullout pile, thereby improving the fixing effect;

[0038] The first clamping plate 5 is fixed to the bottom ends of the first rack 8 and the second rack 15, the motor 12 is arranged on the top end of the movable plate 16, and the outer side of the output shaft of the motor 12 is connected to the rotating shaft 14 through a pulley 24, both ends of the rotating shaft 14 extend to the outer side of the operation box 10 and are connected to the threaded rod 26, and the outer side of the threaded rod 26 is threadedly connected to the threaded sleeve 17;

[0039] Guide plates 18 are fixed to both ends of the threaded sleeve 17, and guide rods 19 are evenly fixed to both sides of the operation box 10, and the guide rods 19 are connected to the guide plates 18;

[0040] Specifically, Figure 2 and Figure 4 As shown, when in use, the guide rod 19 can play a guiding role when the threaded sleeve 17 moves;

[0041] The second clamping plate 6 is fixed to the bottom end of the threaded sleeve 17 . The threaded sleeve 17 has a threaded groove 25 formed inside, and the threaded groove 25 is connected to the threaded rod 26 .

[0042] Working principle: In the process of clamping the pile against pulling out, the utility model starts the motor 12 and drives the rotating shaft 14 to rotate through the pulley 24, and the rotating shaft 14 drives the outer gear 13 to rotate. Under the meshing action, the first rack 8 and the second rack 15 at both ends move inward at the same time to drive the first clamping plates 5 at both ends to move inward to clamp the two sides of the pile against pulling out. Further, the rotating shaft 14 drives the threaded rods 26 at both ends to rotate, and the threaded sleeves 17 drive the second clamping plates 6 at both ends to clamp the two ends of the pile against pulling out under the action of the threaded connection, so as to improve the fixing effect during the detection by clamping the pile against pulling out in multiple directions at the same time, and then the electric push rod 2 is started to drive the movable plate 16 to rise for the pile against pulling out detection.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A mechanism for testing the bearing performance of an anti-pulling pile, comprising a base (4) and a movable plate (16), wherein the movable plate (16) is arranged on the top of the base (4) via a positioning rod (27); Features: The top of the base (4) is fixed with a stand (3), and a top plate (1) is fixed between the tops of the stand (3), electric push rods (2) are arranged on both sides of the top of the top plate (1), and the output ends of the electric push rods (2) are connected to the top of the movable plate (16); An operating box (10) is fixed at the bottom end of the movable plate (16), and a rotating shaft (14) is rotatably connected inside the operating box (10), a gear (13) is fixed on the outside of the rotating shaft (14), a first rack (8) and a second rack (15) are respectively arranged at the two ends inside the operating box (10), a first clamping plate (5) is fixed at the bottom ends of the first rack (8) and the second rack (15), a motor (12) is arranged at the top end of the movable plate (16), and the motor (13) is fixed on the outside of the rotating shaft (14), and a first rack (8) and a second rack (15) are respectively arranged at the two ends inside the operating box (10), a first clamping plate (5) is fixed at the bottom ends of the first rack (8) and the second rack (15), and a motor (12) is arranged at the top end of the movable plate (16). The outer side of the output shaft of the machine (12) is connected to the rotating shaft (14) through a pulley (24), both ends of the rotating shaft (14) extend to the outer side of the operating box (10) and are connected to a threaded rod (26), and the outer side of the threaded rod (26) is threadedly connected to a threaded sleeve (17), the bottom end of the threaded sleeve (17) is fixed with a second clamping plate (6), the interior of the threaded sleeve (17) is provided with a threaded groove (25), and the threaded groove (25) is connected to the threaded rod (26).

2. The pull-out pile bearing performance testing mechanism according to claim 1, characterized in that: The bottoms of both ends of the base (4) are fixed with sleeve rods (21), and the outer sides of the sleeve rods (21) are evenly sleeved with counterweight blocks (20).

3. The pull-out pile bearing performance testing mechanism according to claim 1, characterized in that: Guide sleeves (11) are fixed on both sides of the movable plate (16), and grooves (22) are provided on both sides of the inside of the guide sleeve (11), and guide wheels (23) are provided inside the grooves (22).

4. The pull-out pile bearing performance testing mechanism according to claim 1, characterized in that: Guide blocks (9) are fixed on the outer sides of the first rack (8) and the second rack (15), and guide grooves (7) are provided at both ends of the interior of the operation box (10), and the guide grooves (7) are connected to the guide blocks (9).

5. The pull-out pile bearing performance testing mechanism according to claim 4, characterized in that: The width of the guide groove (7) matches the width of the guide block (9), and the guide groove (7) and the guide block (9) are designed to be staggered at both ends inside the operating box (10).

6. The pull-out pile bearing performance testing mechanism according to claim 1, characterized in that: Guide plates (18) are fixed at both ends of the threaded sleeve (17), guide rods (19) are evenly fixed at both sides of the operation box (10), and the guide rods (19) are connected to the guide plates (18).

7. The pull-out pile bearing performance testing mechanism according to claim 1, characterized in that: Anti-skid pads are arranged on the inner sides of the first clamping plate (5) and the second clamping plate (6), and anti-skid patterns are evenly arranged on the inner sides of the anti-skid pads.

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