CN113640123B - Pile foundation anti-pulling static load test device - Google Patents
Pile foundation anti-pulling static load test device Download PDFInfo
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- CN113640123B CN113640123B CN202110925611.7A CN202110925611A CN113640123B CN 113640123 B CN113640123 B CN 113640123B CN 202110925611 A CN202110925611 A CN 202110925611A CN 113640123 B CN113640123 B CN 113640123B
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- 230000003068 static effect Effects 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 97
- 238000007654 immersion Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims 2
- 238000004873 anchoring Methods 0.000 abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 31
- 239000003921 oil Substances 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a pile foundation anti-pulling static load test device, and relates to the technical field of building engineering detection. The hydraulic cylinder is arranged on the beam frame, an anchoring device is connected to the output end of the hydraulic cylinder, the anchoring device comprises a shell and an outer gear ring, the outer gear ring is internally arranged in the shell, a threaded hole for inserting reinforcing steel bars at the top of a pile foundation is formed in the outer gear ring, a driving wheel is arranged on the outer side wall of the outer gear ring in a meshed mode, a driving rod is arranged at the top of the driving wheel, a height adjusting device is arranged on the driving rod, and a horizontal adjusting device is arranged on one side, far away from the driving wheel, of the driving rod. The present application has the effect of being convenient for adjust the position of drive structure.
Description
Technical Field
The application relates to the field of building engineering detection, in particular to a pile foundation anti-pulling static load test device.
Background
The pile foundation anti-pulling static load test device is a test device which applies vertical anti-pulling force to the pile top step by step, observes that the pile top generates anti-pulling displacement along with time so as to determine the corresponding vertical anti-pulling bearing capacity of the single pile.
The prior Chinese patent with the bulletin number of CN211057887U discloses a pile foundation pulling-resistant static load test device, which comprises a pile foundation, wherein reinforcing steel bars are fixedly arranged in the pile foundation; a beam frame is arranged above the pile foundation, and an anchoring device and a driving device are arranged on the beam frame. The anchoring device comprises a shell, an outer gear ring is arranged in the shell, and a planetary gear is arranged on one side of the outer gear ring, which is far away from the shell; a sun gear is arranged on one side of the planetary gear, which is far away from the outer gear ring, in a meshed manner; the driving device comprises a driving motor and a driving wheel, the output end of the driving motor is connected with the driving wheel through a rotating rod, and the driving wheel is meshed with the outer gear; therefore, the driving wheel can be driven by the driving motor, so that the anchoring device is fixed with the steel bar through threads, and the pile foundation anti-pulling static load test is carried out.
The related art in the above has the following drawbacks: when the pile foundation anti-pulling static load test device in the related art is used, the driving device is fixedly arranged on the beam frame, the vertical height and the horizontal position of the driving wheel are difficult to adjust according to actual conditions, and when the radius of the outer gear ring is adjusted according to the actual conditions, the position of the driving wheel is required to be manually adjusted through adjusting the beam frame, so that the improvement is required.
Content of the application
In order to solve the problem that a driving structure in a pile foundation anti-pulling static load test device in the related art is difficult to adjust the position, the application provides the pile foundation anti-pulling static load test device.
The application provides a pile foundation resistance to plucking static test device adopts following technical scheme:
the utility model provides a pile foundation resistance to plucking static load test device, includes the roof beam structure, be provided with the pneumatic cylinder on the roof beam structure, the pneumatic cylinder output is connected with anchor, anchor includes casing and external tooth ring, set up in the casing in the external tooth ring, the screw hole that is used for inserting pile foundation top reinforcing bar has been seted up on the external tooth ring, the meshing is provided with the drive wheel on the lateral wall of external tooth ring, the drive wheel top is provided with the actuating lever, be provided with height adjusting device on the actuating lever, one side that the drive wheel was kept away from to the actuating lever is provided with horizontal adjustment device.
Through adopting above-mentioned technical scheme, the pile foundation anti-pulling static test device in this application when being used, operating personnel can be according to the size of the pile foundation of needs measurement to adjust the position of drive wheel through horizontal adjusting device and high adjusting device, compare the pile foundation anti-pulling static test device in the correlation technique, need operating personnel to carry out the regulation of height or horizontal direction through the position of adjusting the roof beam frame, pile foundation anti-pulling static test device in this application operates more conveniently, has practiced thrift the manpower.
Optionally, the horizontal adjustment device includes drive motor and transmission connection structure, drive motor sets up on the roof beam structure, transmission connection structure sets up in drive motor's output, transmission connection structure passes through bevel gear and is connected with the actuating lever.
Through adopting above-mentioned technical scheme, driving motor sets up on the roof beam structure, provides power for the actuating lever through the structure of transmission connection structure with bevel gear to provide power for the drive wheel through the actuating lever, compare in the pile foundation anti-pulling static test device among the correlation technique driving motor fixed in position, pile foundation anti-pulling static test device in this application operates more convenient.
Optionally, the spout has been run through along vertical direction on the roof beam structure, sliding connection has the slider in the spout, the ball socket has been seted up on the slider, ball socket interpolation is equipped with the bulb, the last drive hole that has run through of bulb, the actuating lever is fixed to be inserted and is located in the drive hole.
By adopting the technical scheme, the position of the driving rod can be adjusted by sliding the sliding block in the sliding groove by an operator; the ball socket and ball head structure is adopted, so that the driving rod can be driven by the transmission motor to rotate by taking the driving rod as an axis, and the transmission of the anchoring device is realized.
Optionally, roof beam frame top is provided with the support and presses the frame, support and press the frame to be located the actuating lever directly over, the actuating lever top is provided with and supports the depression bar, support and press the side wall that the frame is close to pressing the depression bar and seted up the groove that slides, support depression bar and slide groove sliding connection, support the depression bar and keep away from the one end and the actuating lever rotation that support the frame and be connected, be provided with the support spring that is used for supporting tightly to support the depression bar on the lateral wall of support the depression bar, support the one end that the depression bar was kept away from to the spring and set up on the lateral wall of support the depression bar.
Through adopting above-mentioned technical scheme, support the depression bar and lie in the actuating lever directly over, and support depression bar and actuating lever and can change the position along with the slip of slider in the spout, will support the structure that the depression bar compresses tightly through adopting to press the spring, when the drive wheel drove the drive wheel and provide power for anchor, support the spring and can support the depression bar tightly to make the actuating lever supported tightly, and then make the drive wheel supported tightly on anchor's lateral wall, with the stability of increase drive wheel at the during operation.
Optionally, the transmission connection structure includes transfer line and a transmission section of thick bamboo, a transmission section of thick bamboo is connected with the one end that is close to the drive motor and drive motor output, a transmission section of thick bamboo is kept away from the one end and is connected with the transfer line of drive motor, the transfer line is inserted and is located in the transmission section of thick bamboo, transfer line and transmission section of thick bamboo sliding connection.
By adopting the technical scheme, on one hand, compared with a more complex length adjusting structure, the manufacturing cost of the transmission rod and the transmission cylinder is lower; on the other hand, the operator can adjust the length of the transmission connection structure through adjusting the positions of the transmission rod and the transmission cylinder, so as to be applicable to pile foundations with various sizes, and the operation is simpler and more convenient under the condition of realizing the horizontal adjustment function.
Optionally, the one end that the transmission section of thick bamboo is close to the transfer line is provided with the card that is used for preventing the transfer line and drops and ends the piece, the one end that the transmission section of thick bamboo is close to the transfer line is provided with the electro-magnet, the one end that the transmission section of thick bamboo is close to the transmission section of thick bamboo is provided with the absorption piece, the electro-magnet is electrified back and is absorbed mutually with absorption piece magnetism.
Through adopting above-mentioned technical scheme, operating personnel when pulling the transfer line in order to adjust transmission connection structure's length, the existence of card block piece has reduced the risk that the transfer line drops in from the transmission section of thick bamboo, has improved the stability of transfer line and transmission section of thick bamboo structure.
Optionally, the height adjusting device comprises a threaded screw rod, an adjusting disc and a clamping rod; the screw thread lead screw sets up in the one end that the actuating lever is close to the actuating lever, the regulating disk is fixed to be set up in the one side that the actuating lever is close to the actuating lever, the screw thread lead screw runs through and inserts in the axle center of regulating disk and actuating lever, the clamping groove has been seted up on the regulating disk, clamping lever and clamping groove sliding connection, the fixed slot has been seted up on the roof beam frame, the clamping lever inserts and locates in the fixed slot.
Through adopting above-mentioned technical scheme, when operating personnel need highly adjust the drive wheel, only need remove the clamping lever from the clamping groove to insert the clamping lever and locate in the fixed slot, can keep adjusting disk and drive wheel relative screw lead screw to keep static, open the drive motor again, through the forward or direction transmission of control motor, thereby make the adjusting disk shift up or shift down on screw lead screw, thereby drive the drive wheel and take place the change of vertical direction position, can carry out the regulation of height.
Optionally, be provided with the butt spring in the clamping groove, butt spring one end is connected with the inside wall in clamping groove, the butt spring other end is connected with the clamping rod.
By adopting the technical scheme, when an operator adjusts the height of the driving wheel, the clamping rod is easy to fall off from the fixing groove due to the centrifugal force generated when the adjusting disk rotates; the structure of butt spring has been adopted, can reduce the risk that the clamping lever drops from the fixed slot, has increased the stability of clamping lever at the during operation.
Optionally, the stop rod is provided with a limiting hole, the inner side wall of the stop groove is provided with a connecting hole, and the limiting hole and the connecting hole are internally provided with the limiting rod in a co-inserting way.
Through adopting above-mentioned technical scheme, after the altitude mixture control finishes, operating personnel can manual compression clamping lever for behind spacing hole and the linking hole site coaxial, with the spacing pole inserts locating spacing hole and linking downthehole again, reduced the risk that clamping lever stretches out the interference of clamping groove interference system operation in the course of the work.
Optionally, the oil immersion hole has been seted up on the inside wall of fixed slot, be provided with the oil immersion sponge in the oil immersion hole, the oil immersion sponge sets up with the laminating of clamping lever.
Through adopting above-mentioned technical scheme, thereby operating personnel can reduce the frictional force between clamping rod and the fixed slot inside wall through pouring into lubricating oil in the sponge into the immersion oil, and then reduced the risk that clamping rod was worn and torn.
In summary, the present application includes at least one of the following beneficial effects:
1. by adopting the structures of the height adjusting device and the horizontal adjusting device, when the pile foundation anti-pulling static test device is used, an operator can measure the size of the pile foundation according to the requirement, so that the position of the driving wheel is adjusted through the horizontal adjusting device and the height adjusting device;
2. the structure of the pressing rod and the pressing spring is adopted, the pressing rod is positioned right above the driving rod, the pressing rod and the driving rod can change positions along with the sliding of the sliding block in the sliding groove, and the pressing spring is adopted to press the pressing rod;
3. the structure of the transmission rod and the transmission cylinder is adopted, so that on one hand, the cost of the transmission rod and the transmission cylinder is lower than that of a more complex length adjusting structure; on the other hand, the operator can adjust the length of the transmission connection structure through adjusting the positions of the transmission rod and the transmission cylinder, so as to be applicable to pile foundations with various sizes, and the operation is simpler and more convenient under the condition of realizing the horizontal adjustment function.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram of a structure for representing a connection relationship between a driving rod and a driving wheel according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. a beam frame; 11. a hydraulic cylinder; 12. an anchoring device; 121. a housing; 122. an outer ring gear; 13. a threaded hole; 14. a driving wheel; 15. a driving rod; 2. a level adjustment device; 21. a drive motor; 22. a transmission connection structure; 221. a transmission rod; 222. a transmission cylinder; 23. bevel gears; 24. a locking piece; 25. a locking block; 3. a chute; 31. a slide block; 32. a ball socket; 321. ball head; 33. a drive hole; 4. a pressing frame; 41. a pressing rod; 42. a slip groove; 43. pressing the spring; 44. a rotating groove; 5. a height adjusting device; 51. a threaded screw rod; 52. an adjusting plate; 53. a locking rod; 54. a locking groove; 55. a fixing groove; 6. abutting against the spring; 61. a limiting hole; 62. a connection hole; 63. a limit rod; 64. an oil immersion hole; 641. soaking the oil sponge; 7. an anti-falling block; 8. a planetary gear; 81. a sun gear; 82. a locking groove; 821. a locking block; 9. pile foundation.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a pile foundation anti-pulling static load test device. Referring to fig. 1, a pile foundation anti-pulling static load test device comprises a beam frame 1, wherein a horizontal adjusting device 2 is arranged at the top of the beam frame 1; the horizontal adjusting device 2 comprises a transmission motor 21 and a transmission connecting structure 22, wherein the transmission motor 21 is arranged at the center of the top of the beam frame 1, the transmission connecting structure 22 is arranged on one side of the transmission motor 21, and the transmission connecting structure 22 is connected with the output end of the transmission motor 21.
Referring to fig. 2, a pressing frame 4 is welded and fixed to the top of the beam frame 1, the pressing frame 4 is of an L-shaped structure, the pressing frame 4 is arranged at one end of the top of the beam frame 1, which is close to the transmission connection structure 22, a sliding groove 42 is formed in one side of the pressing frame 4, which is close to the beam frame 1, a rotating groove 44 is formed in one side of the pressing frame 4, which is close to the beam frame 1, the rotating groove 44 is located at one side of the sliding groove 42, which is far from the beam frame 1, and the width of the rotating groove 44 is larger than that of the sliding groove 42; the side that the support frame 4 is close to roof beam structure 1 is provided with the support depression bar 41, and the support depression bar 41 is close to the side that supports the support frame 4 and is provided with the anticreep piece 7, and the anticreep piece 7 is disc structure, and the diameter of anticreep piece 7 equals with the width of swivelling chute 44.
Referring to fig. 2 and 3, the transmission connection structure 22 includes a transmission rod 221 and a transmission barrel 222, one end of the transmission barrel 222 close to the transmission motor 21 is fixedly connected with the output end of the transmission motor 21, the transmission rod 221 is inserted into one end of the transmission barrel 222 far away from the transmission motor 21, the transmission rod 221 is slidably connected with the transmission barrel 222, a locking piece 24 for preventing the transmission rod 221 from sliding down from the transmission barrel 222 is welded and fixed on the inner side wall of the transmission barrel 222 far away from one end of the transmission barrel 21, one end of the transmission rod 221 close to the locking piece 24 is provided with a locking block 25 for abutting against the inner side wall of the locking piece 24, and an operator can adjust the length of the transmission connection structure 22 by adjusting the positions of the transmission rod 221 and the transmission barrel 222.
Referring to fig. 2, one end of the transmission rod 221, which is remote from the transmission cylinder 222, is connected to the driving rod 15 through the bevel gear 23, and the length direction of the driving rod 15 is perpendicular to the length direction of the transmission rod 221. The pressing lever 41 is positioned on the same line as the driving lever 15, and the pressing lever 41 is positioned above the driving lever 15. The side wall of the pressing rod 41 is glued and fixed with a pressing spring 43, one end of the pressing spring 43 far away from the pressing rod 41 is glued and fixed on the side wall of the pressing frame 4, and the pressing spring 43 can press the pressing rod 41 tightly by adopting the structure that the pressing spring 43 presses the pressing rod 41, when the driving rod 15 drives the driving wheel 14 to provide power for the anchoring device 12.
Referring to fig. 3, a sliding groove 3 is formed in the top of the beam frame 1 along the vertical direction in a penetrating manner, a locking groove 82 is formed in the side wall of the sliding groove 3, a sliding block 31 is connected in a sliding manner in the sliding groove 3, a locking block 821 is fixedly welded on the side wall of the sliding block 31, and the locking block 821 is connected with the locking groove 82 in a sliding manner; the slider 31 runs through along vertical direction and has seted up ball socket 32, ball socket 32 interpolation is equipped with bulb 321, has run through along vertical direction on the bulb 321 and has seted up drive hole 33, and drive rod 15 inserts and locates in the drive hole 33, and drive rod 15 and the lateral wall fixed connection of drive hole 33.
Referring to fig. 1 and 4, a height adjusting device 5 is provided at one end of the driving rod 15 away from the pressing rod 41, and the height adjusting device 5 includes a threaded screw 51, an adjusting disc 52 and a locking rod 53; the threaded screw rod 51 is welded and fixed at one end of the driving rod 15 far away from the pressing rod 41, the adjusting disc 52 is sleeved on the threaded screw rod 51, and the threaded screw rod 51 is also sleeved with the driving wheel 14; and the radius of the adjustment disc 52 is smaller than the radius of the drive wheel 14; the adjusting disc 52 is coaxial with the driving wheel 14 and is fixedly connected, a clamping groove 54 is formed in the top of the adjusting disc 52, a connecting hole 62 is formed in the bottom wall of the clamping groove 54, and the clamping groove 54 is communicated with the connecting hole 62; the side wall of the locking groove 54 corresponding to the beam frame 1 is fixedly adhered with an abutting spring 6, one end of the abutting spring 6 far away from the driving rod 15 is fixedly adhered with a locking rod 53, the locking rod 53 is provided with a limiting hole 61, the limiting hole 61 and the connecting hole 62 are coaxially positioned and have the same radius, and the limiting hole 61 and the connecting hole 62 are internally inserted with a limiting rod 63; the operator can compress the locking lever 53 manually for after the spacing hole 61 is located coaxial with the linking hole 62, insert the spacing lever 63 in spacing hole 61 and linking hole 62 again, reduced the risk that locking lever 53 stretches out the locking groove 54 in the course of the work and disturbed system operation.
Referring to fig. 2 and 4, a fixing groove 55 is formed on a side wall of the beam 1 adjacent to the locking rod 53, when the limiting rod 63 moves out of the limiting hole 61 and the engagement hole 62, the locking rod 53 is inserted into the fixing groove 55, and the locking rod 53 can slide in a vertical direction in the fixing groove 55. Therefore, an operator can control the forward or reverse transmission of the transmission motor 21, so that the adjusting disc 52 moves up or down on the threaded screw rod 51, and the driving wheel 14 is driven to change the vertical position, so that the height can be adjusted.
Referring to fig. 4, an oil immersion hole 64 is formed in the inner side wall of the fixing groove 55, an oil immersion sponge 641 is adhered and fixed in the oil immersion hole 64, and the oil immersion sponge 641 is attached to one end of the locking rod 53 close to the fixing groove 55, so that an operator can reduce friction force between the locking rod 53 and the inner side wall of the fixing groove 55 by injecting lubricating oil into the oil immersion sponge 641.
Referring to fig. 2, the outer side wall of the driving wheel 14 is provided with an anchoring device 12 in a meshed manner, the anchoring device 12 comprises a housing 121, an outer gear ring 122 is arranged inside the housing 121, and a planetary gear 8 is arranged on one side of the outer gear ring 122 away from the housing 121; the side of the planet gears 8 away from the outer gear ring 122 is provided with a sun gear 81 in a meshed manner; the top of the anchoring device 12 is connected with a hydraulic cylinder 11, and the hydraulic cylinder 11 is mounted on the beam frame 1 through bolts; the pile foundation is positioned right below the beam frame 1, and steel bars are fixedly arranged in the pile foundation 9; the driving wheel 14 can be driven by the driving motor, so that the anchoring device 12 is in threaded fixation with the steel bars, and the pile foundation anti-pulling static load test can be performed.
The implementation principle of the pile foundation anti-pulling static load test device provided by the embodiment of the application is as follows: the utility model provides a pile foundation anti-pulling static test device in when being used, operating personnel can be according to the size of pile foundation that needs to adjust the position of drive wheel 14 through horizontal adjustment device 2 and height adjustment device 5, compare pile foundation anti-pulling static test device in the correlation technique, need operating personnel to carry out the regulation of height or horizontal direction through the position of adjusting beam frame 1, pile foundation anti-pulling static test device in this application operates more conveniently, has practiced thrift the manpower.
When the pile foundation anti-pulling static load test device in the application is used, firstly, an operator firstly places the beam frame 1 right above the pile foundation, and then adjusts the height of the driving wheel 14 according to the thickness of the pile foundation and the condition of the steel bars, and the adjusting method is as follows: the operator slides the transmission rod 221 from the transmission cylinder 222 to one end far away from the device, at this time, the pressing rod 41 is moved to one end far away from the pile foundation, then the limiting rod 63 is taken out from the limiting hole 61 and the engagement hole 62, the abutting spring 6 pulls the blocking rod 53 out of the blocking groove 54, the blocking rod 53 is inserted into the fixing groove 55, the transmission motor 21 is turned on, the driving wheel 14 is adjusted in height by controlling the forward and reverse rotation of the transmission motor 21, and when the driving wheel 14 is adjusted to a proper height, the pressing spring 43 rebounds the pressing rod 41, pushes the blocking rod 53 back into the blocking groove 54, and the limiting rod 63 is inserted into the limiting hole 61 and the engagement hole 62; the driving wheel is meshed with the outer gear ring 122, so that the driving motor 21 and the hydraulic cylinder 11 can be opened to fix the anchoring device 12 and the steel bars, and then the test is performed.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a pile foundation resistance to plucking static load test device, includes roof beam structure (1), be provided with pneumatic cylinder (11) on roof beam structure (1), pneumatic cylinder (11) output is connected with anchor (12), anchor (12) are including casing (121) and outer ring gear (122), set up in casing (121) in outer ring gear (122), set up screw hole (13) that are used for inserting pile foundation (9) top reinforcing bar on outer ring gear (122), the meshing is provided with drive wheel (14) on the lateral wall of outer ring gear (122), drive wheel (14) top is provided with actuating lever (15), its characterized in that: the driving rod (15) is provided with a height adjusting device (5), and one side of the driving rod (15) far away from the driving wheel (14) is provided with a horizontal adjusting device (2);
the horizontal adjusting device (2) comprises a transmission motor (21) and a transmission connecting structure (22), the transmission motor (21) is arranged on the beam frame (1), the transmission connecting structure (22) is arranged at the output end of the transmission motor (21), and the transmission connecting structure (22) is connected with the driving rod (15) through a bevel gear (23);
the transmission connecting structure (22) comprises a transmission rod (221) and a transmission cylinder (222), wherein one end, close to the transmission motor (21), of the transmission cylinder (222) is connected with the output end of the transmission motor (21), one end, far away from the transmission motor (21), of the transmission cylinder (222) is connected with the transmission rod (221), the transmission rod (221) is inserted into the transmission cylinder (222), and the transmission rod (221) is in sliding connection with the transmission cylinder (222);
the height adjusting device (5) comprises a threaded screw rod (51), an adjusting disc (52) and a clamping rod (53); the screw thread lead screw (51) is arranged at one end of the driving rod (15) close to the driving wheel (14), the adjusting disc (52) is fixedly arranged at one side of the driving wheel (14) close to the driving rod (15), the screw thread lead screw (51) is penetrated and inserted into the axes of the adjusting disc (52) and the driving wheel (14), the adjusting disc (52) is provided with a clamping groove (54), the clamping rod (53) is in sliding connection with the clamping groove (54), the beam frame (1) is provided with a fixing groove (55), and the clamping rod (53) is inserted into the fixing groove (55).
2. The pile foundation anti-pulling static load test device according to claim 1, wherein: the beam frame (1) is provided with a sliding groove (3) in a penetrating mode along the vertical direction, the sliding groove (3) is connected with a sliding block (31) in a sliding mode, the sliding block (31) is provided with a ball socket (32), a ball head (321) is arranged in the ball socket (32) in an inserted mode, a driving hole (33) is formed in the ball head (321) in a penetrating mode, and the driving rod (15) is fixedly inserted into the driving hole (33).
3. The pile foundation anti-pulling static load test device according to claim 2, wherein: the beam frame (1) top is provided with and supports pressure frame (4), support pressure frame (4) are located directly over actuating lever (15), actuating lever (15) top is provided with and supports depression bar (41), support one side fixed connection that pressure frame (4) are close to actuating lever (15) to support depression bar (41), support one end that pressure frame (4) was kept away from to support depression bar (41) and actuating lever (15) rotation are connected, be provided with on the lateral wall of support depression bar (41) and be used for supporting tightly to support pressure spring (43) of pressure bar (41), support pressure spring (43) keep away from the one end of support depression bar (41) and set up on the lateral wall of support pressure frame (4).
4. The pile foundation anti-pulling static load test device according to claim 1, wherein: one end of a transmission cylinder (222) close to a transmission rod (221) is provided with a clamping piece (24) for preventing the transmission rod (221) from falling off, one end of the transmission cylinder (222) close to the transmission rod (221) is provided with an electromagnet, one end of the transmission rod (221) close to the transmission cylinder (222) is provided with an adsorption piece, and the electromagnet is magnetically attracted with the adsorption piece after being electrified.
5. The pile foundation anti-pulling static load test device according to claim 1, wherein: an abutting spring (6) is arranged in the clamping groove (54), one end of the abutting spring (6) is connected with the inner side wall of the clamping groove (54), and the other end of the abutting spring (6) is connected with the clamping rod (53).
6. The pile foundation anti-pulling static load test device according to claim 1, wherein: limiting holes (61) are formed in the clamping rods (53), connecting holes (62) are formed in the inner side walls of the clamping grooves (54), and limiting rods (63) are inserted into the limiting holes (61) and the connecting holes (62) together.
7. The pile foundation anti-pulling static load test device according to claim 1, wherein: an oil immersion hole (64) is formed in the inner side wall of the fixing groove (55), an oil immersion sponge (641) is arranged in the oil immersion hole (64), and the oil immersion sponge (641) is attached to the clamping rod (53).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110925611.7A CN113640123B (en) | 2021-08-12 | 2021-08-12 | Pile foundation anti-pulling static load test device |
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| CN202110925611.7A CN113640123B (en) | 2021-08-12 | 2021-08-12 | Pile foundation anti-pulling static load test device |
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| CN113640123B true CN113640123B (en) | 2024-02-13 |
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|---|---|
| CN113640123A (en) | 2021-11-12 |
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