CN111501715A - Device for detecting bearing capacity of pile soil composite foundation - Google Patents

Device for detecting bearing capacity of pile soil composite foundation Download PDF

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Publication number
CN111501715A
CN111501715A CN202010306166.1A CN202010306166A CN111501715A CN 111501715 A CN111501715 A CN 111501715A CN 202010306166 A CN202010306166 A CN 202010306166A CN 111501715 A CN111501715 A CN 111501715A
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China
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bearing
balance adjusting
bearing plate
pile
adjusting arm
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CN202010306166.1A
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CN111501715B (en
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孙景辉
谢瑞
石攀
吴磊杰
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00Investigation of foundation soil in situ

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention provides a device for detecting the bearing capacity of a pile-soil composite foundation, which comprises a first bearing plate, a second bearing plate, a supporting pile, a balance adjusting mechanism and an inclination indicating mechanism, wherein the first bearing plate is arranged on the first bearing plate; the bottom end of a support pile is fixedly connected with a first bearing plate, the top end of the support pile is movably connected with a second bearing plate, a balance adjusting mechanism comprises a movable shaft, a first balance adjusting arm, a second balance adjusting arm and a third balance adjusting arm, the movable shaft is fixedly sleeved with a first bearing, a second bearing and a third bearing, and is also provided with a first rotating sleeve, a second rotating sleeve and a third rotating sleeve, an upper limiting block and a lower limiting block are arranged in the first rotating sleeve, and a baffle is fixedly arranged on the movable shaft in a matched manner; the inclination indicating mechanism comprises a fixed shaft and a rotating sleeve, a pair of second hooks is symmetrically arranged on the left side and the right side of the rotating sleeve, and an indicating needle is fixedly connected to the middle position of the rotating sleeve.

Description

Device for detecting bearing capacity of pile soil composite foundation
Technical Field
The invention belongs to the technical field of building detection, and particularly relates to a device for detecting the bearing capacity of a pile-soil composite foundation.
Background
Static pressure measurement of foundation bearing capacity is one of the most accurate and common methods for measuring foundation bearing capacity. In the implementation process of the static pressure measurement method, a support beam is required to be arranged to maintain the stability of the whole measurement mechanism in the process of stacking the weights. After the weights are stacked orderly, the height of the jack is adjusted to enable the two ends of the secondary beam to be separated from the supporting beam, so that the pressure of all the weights is transmitted to a measured foundation through the jack, and then the foundation settlement is measured. In the actual operation process of the secondary beam leaving the support beam, the following technical problems can exist:
firstly, the gravity center of the weight deviates too much from the gravity center of the jack, so that the bearing plate is seriously inclined, the existing bearing plate is movably connected with the hydraulic device, once the bearing plate is seriously inclined and is not balanced and adjusted by an adjusting device, the bearing plate can be toppled along the hydraulic device, and secondly, although the whole measuring system can still stably support the bearing plate when the gravity center of the weight deviates too much from the gravity center of the jack, the gravity center of the weight and the gravity center of the jack deviate slightly, so that the deviation of the foundation subsidence measurement can be caused, and the damage of the jack can be accelerated; thirdly, the load bearing device does not have an indicating device capable of indicating the deviation direction of the force, so that the weight is inconvenient to observe and judge how to adjust the weight.
Disclosure of Invention
The invention provides a device for detecting the bearing capacity of a pile-soil composite foundation, aiming at solving the technical problems.
A device for detecting the bearing capacity of a pile-soil composite foundation is characterized by comprising a first bearing plate, a second bearing plate, a supporting pile, a balance adjusting mechanism and an inclination indicating mechanism; the bottom end of the support pile is fixedly connected with the first bearing plate; the top end of the support pile is movably connected with the second bearing plate, and the center lines of the support pile, the first bearing plate and the second bearing plate are superposed; the two balance adjusting mechanisms are positioned on two sides of the supporting pile, and the two balance adjusting mechanisms and the supporting pile are positioned on a straight line passing through the center point of the upper end face of the bearing plate; the balance adjusting mechanism comprises a movable shaft, a first balance adjusting arm, a second balance adjusting arm and a third balance adjusting arm, wherein the movable shaft is fixedly sleeved with a first bearing, a second bearing and a third bearing, a first rotating sleeve is fixedly sleeved outside the first bearing, an upper limiting block and a lower limiting block are arranged inside the first rotating sleeve, a baffle is fixedly arranged on the movable shaft in a matched manner, and the baffle is clamped between the upper limiting block and the lower limiting block; a second rotating sleeve is fixedly sleeved outside the second bearing, a third rotating sleeve is fixedly sleeved outside the third bearing, the top end of the first balance adjusting arm is rotatably connected with the second bearing plate through a base mechanism, and the bottom end of the first balance adjusting arm is fixedly connected with the first rotating sleeve; the bottom end of the second balance adjusting arm is rotatably connected with one bearing plate through a base mechanism, and the top end of the second balance adjusting arm is fixedly connected with the second rotating sleeve; one end of the balance adjusting arm III is fixedly connected with the rotating sleeve III, and the other end of the balance adjusting arm III is fixedly connected with the hook I; the number of the base mechanisms is four, the two base mechanisms are positioned at the top end of the first bearing plate, and the two base mechanisms positioned at the top end of the first bearing plate are symmetrically distributed around the center of the support pile; the other two base mechanisms are positioned at the bottom ends of the bearing plates, and the two base mechanisms are symmetrically distributed about the center of the support pile.
In the scheme, the base mechanism comprises a supporting seat, a supporting shaft and a second limiting sleeve, wherein the supporting seat is provided with a first through hole extending in the vertical direction and a second through hole extending in the horizontal direction, two ends of the supporting shaft respectively penetrate through the second through holes on two sides of the supporting shaft, and the second through holes are rotatably connected with the supporting shaft through bearings; the support shaft is positioned outside the support seat and is also in threaded connection with the second limiting sleeve; the inclination indicating mechanism comprises a fixed shaft and a rotating sleeve, the fixed shaft is horizontally arranged and fixedly connected to the supporting pile, the rotating sleeve is sleeved on the fixed shaft and is rotatably connected with the fixed shaft through a bearing, and one end, far away from the supporting pile, of the fixed shaft is fixedly connected with a first limiting sleeve; the utility model discloses a balanced adjusting device, including rotating cover, balancing regulation arm, rotating cover intermediate position department fixed connection pointer, couple one and the couple two of its homonymy are connected through the rope, rope one end is connected with the couple one that is located balanced adjustment arm three, the rope other end is connected with the couple two that is located rotating cover, when bearing plate two is in the horizontality, the pointer is vertical upwards, when bearing plate two inclines to the left, the pointer inclines to the left, when bearing plate two inclines to the right, the pointer inclines to the right, when bearing plate two is in the horizontality, balanced adjustment arm two is in vertical state, balanced adjustment arm three is kept away from the equal directional support stake of loose axle one end, balanced adjustment arm one is the acute angle with the horizontal direction contained angle. One end, far away from the movable shaft, of one balance adjusting arm inclines towards the direction of the support pile, and the other end, far away from the movable shaft, of the other balance adjusting arm inclines towards the direction of far away from the support pile; the included angle between the upper limiting block and the lower limiting block is less than 180 degrees; the movable shaft is provided with a first bearing groove, a second bearing groove and a third bearing groove, the first bearing is clamped in the first bearing groove, the second bearing is clamped in the second bearing groove, and the third bearing is clamped in the third bearing groove; external threads are formed in the outer walls of the two ends of the movable shaft, a third limiting sleeve is further arranged at the two ends of the movable shaft in a matched mode, internal threads are formed in the inner wall of the third limiting sleeve, and the second limiting sleeve is in threaded connection with the movable shaft.
In the scheme, one end, far away from the movable shaft, of one balance adjusting arm inclines towards the direction of the supporting pile, and the other end, far away from the movable shaft, of the other balance adjusting arm inclines towards the direction of far away from the supporting pile.
In the scheme, an upper limiting block and a lower limiting block which are matched with the balance adjusting arm and are arranged at one end far away from the movable shaft and incline towards the direction of the supporting pile are positioned on one side, close to the supporting pile, of the movable shaft.
In the scheme, an upper limiting block and a lower limiting block which are matched with the balance adjusting arm and are arranged at one end far away from the movable shaft and incline towards the direction far away from the supporting pile are positioned at one side, far away from the supporting pile, of the movable shaft.
In the present case, the supporting seat that links firmly one top of bearing plate is close to the bearing plate one side surface and is provided with anti-skidding line.
In the present case, link firmly the supporting seat of two bottoms of bearing plate is close to two side surfaces of bearing plate and is provided with anti-skidding line.
Compared with the prior art, the invention has the advantages that:
1. the invention sets a first balance adjusting arm, a second balance adjusting arm and a third balance adjusting arm, when a bearing plate inclines towards one end, the first bearing plate inclines and presses the first balance adjusting arm downwards, the first balance adjusting arm rotates towards left, at the same time, a movable shaft rotates towards left along with the first balance adjusting arm, the movable shaft drives the second balance adjusting arm and the third balance adjusting arm to move towards left, the third balance adjusting arm pulls a rotating sleeve towards left through a rope, a connecting seat rotates towards left and pulls the third balance supporting arm at the other side towards left through the rope, the third balance supporting arm at the other side moves towards left and drives the movable shaft to move towards left, the movable shaft moves towards left so as to drive the first balance adjusting arm and the second balance supporting arm to move towards left, the first balance adjusting arm and the second balance supporting arm move towards left to force the bearing plate to press downwards, thereby the other end of the bearing plate, buffering adjustment is carried out when so realizing two atress unbalance of bearing plate, and when pressure slope degree was great on the bearing plate, through this balance adjustment mechanism's cushioning effect, two times of empting of extension bearing plate gave the operator longer remedy time, avoid two direct emptions of bearing plate.
2. According to the invention, the rotating sleeve is arranged to drive the indicating needle to rotate leftwards or rightwards in the rotating process, when the inclination degree of the pressure applied to the second bearing plate is smaller, the indicating direction of the indicating needle can display the inclination direction of the force applied to the second bearing plate at present, the inclination direction of the force applied to the second bearing plate can be judged through the pointing direction of the indicating needle, and then the position of the weight block is adjusted, so that the gravity center of the second bearing plate can be ensured to pass through the center line of the hydraulic device, the use loss of the hydraulic device can be reduced, and the measuring accuracy can.
3. According to the invention, the upper limit block and the lower limit block which are arranged in a matched manner are arranged on the movable shaft, the upper limit block and the lower limit block are positioned on one side, close to the support pile, of the movable shaft, and the upper limit block and the lower limit block which are arranged in a matched manner are arranged on one end, far away from the movable shaft, of the balance adjusting arm, the end, far away from the support pile, of the balance adjusting arm, the upper limit block and the lower limit block are positioned on one side, far away from the support pile, of the movable shaft, and the included angle between the upper limit block and the lower limit block is less than 180 degrees.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first view structural diagram of the present invention.
FIG. 2 is a schematic view of a second perspective structure of the present invention (the second bearing plate is not shown).
Fig. 3 is an enlarged structural schematic diagram of the fixed rotating sleeve, the first hook, the second hook, the rope and the parts nearby the rope, which are shown in fig. 2.
Fig. 4 is a schematic structural view of the base mechanism.
Fig. 5 is a schematic structural diagram of each component after the movable shaft, the first connecting sleeve, the second connecting sleeve, the third connecting sleeve and the like are disassembled.
Fig. 6 is a schematic structural view of a connection relation of the balance adjusting mechanism, the inclination indicating mechanism and the support pile.
FIG. 7 is an enlarged schematic view of the tilt indicating mechanism, the first hook, the second hook, the cord and the vicinity thereof shown in FIG. 6.
In the figure: 1. a first bearing plate; 2. a second bearing plate; 3. supporting piles; 4. a balance adjustment mechanism; 401. a movable shaft; 402. a balance adjusting arm I; 403. a second balance adjusting arm; 404. a balance adjusting arm III; 5. a tilt indicating mechanism; 501. a fixed shaft; 502. rotating the sleeve; 503. a first limiting sleeve; 6. rotating the sleeve I; 7. an upper limit block; 8. a lower limiting block; 9. a baffle plate; 10. rotating the sleeve II; 11. rotating the sleeve III; 12. a base mechanism; 1201. a supporting seat; 1202. a support shaft; 1203. a second limiting sleeve; 1204. a first through hole; 1205. a second through hole; 13. a first hook is arranged; 14. a second hook; 15. an indicator needle; 16. a rope; 17. a groove of the bearing; 18. a second bearing groove; 19. a bearing three groove; 20. anti-skid lines; 21. an external thread; 22. a third limiting sleeve; 23 internal threads.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention. The technical scheme of the invention is further explained by combining the attached drawings as follows:
example one
Referring to fig. 1-4, 6 and 7, the embodiment 1 describes a device for detecting the bearing capacity of a pile-soil composite foundation, and the device comprises a bearing plate 1, a bearing plate 2, a supporting pile 3, a balance adjusting mechanism 4 and an inclination indicating mechanism 5; the bottom end of the support pile 3 is fixedly connected with the first bearing plate 1, the top end of the support pile 3 is movably connected with the second bearing plate 2, and the center lines of the support pile 3, the first bearing plate 1 and the second bearing plate 2 are superposed; a supporting device with rigidity and mobility is formed among the supporting pile 3, the first bearing plate 1 and the second bearing plate 2, the top end of the supporting pile 3 is movably connected with the second bearing plate 2, and the second bearing plate 2 can incline left and right by using a supporting pile 3-position fulcrum when the bearing force is uneven; the number of the balance adjusting mechanisms 4 is two, the two balance adjusting mechanisms 4 are positioned at two sides of the supporting pile 3, and the two balance adjusting mechanisms 4 and the supporting pile 3 are positioned on a straight line passing through the center point of the upper end face of the bearing plate I1; the balance adjusting mechanism 4 comprises a movable shaft 401, a first balance adjusting arm 402, a second balance adjusting arm 403 and a third balance adjusting arm 404, a first bearing, a second bearing and a third bearing are fixedly sleeved on the movable shaft 401, a first rotating sleeve 6 is fixedly sleeved outside the first bearing, an upper limiting block 7 and a lower limiting block 8 are arranged inside the first rotating sleeve 6, a baffle plate 9 is fixedly arranged on the movable shaft 401 in a matched manner, and the baffle plate 9 is clamped between the upper limiting block 7 and the lower limiting block 8; external threads 21 are formed in the outer walls of two ends of the movable shaft 401, a third limiting sleeve 22 is further arranged at two ends of the movable shaft 401 in a matched mode, internal threads 23 are formed in the inner wall of the third limiting sleeve 22, and the third limiting sleeve 22 is in threaded connection with the movable shaft 401; a second rotating sleeve 10 is fixedly sleeved outside the second bearing, a third rotating sleeve 11 is fixedly sleeved outside the third bearing, the top end of a first balance adjusting arm 402 is rotatably connected with a second bearing plate 2 through a base mechanism 12, and the bottom end of the first balance adjusting arm 402 is fixedly connected with a first rotating sleeve 6; the bottom end of the second balance adjusting arm 403 is rotatably connected with the first bearing plate 1 through a base mechanism 12, and the top end of the second balance adjusting arm 403 is fixedly connected with the second rotating sleeve 10; one end of the third balance adjusting arm 404 is fixedly connected with the third rotating sleeve 11, and the other end of the third balance adjusting arm 404 is fixedly connected with the first hook 13; when the bearing plate I1 inclines towards one end, the bearing plate I1 inclines and presses the balance adjusting arm I402 downwards, the balance adjusting arm I402 rotates towards the left, at the moment, the movable shaft 401 rotates towards the left along with the balance adjusting arm I402, the movable shaft 401 drives the balance adjusting arm II 403 and the balance adjusting arm III 404 to move towards the left, the balance adjusting arm III 404 pulls the rotating sleeve 502 towards the left through the rope 16, the connecting seat rotates towards the left and pulls the balance supporting arm III at the other side towards the left through the rope 16, the balance supporting arm III at the other side moves towards the left and drives the movable shaft 401 to move towards the left, the movable shaft 401 moves towards the left so as to drive the balance adjusting arm I402 and the balance supporting arm II to move towards the left, the balance adjusting arm I402 and the balance supporting arm II move towards the left to force the bearing plate, the other end of the second bearing plate 2 is further caused to descend, so that the buffer adjustment is carried out when the stress of the second bearing plate 2 is unbalanced; the inclination indicating mechanism 5 comprises a fixed shaft 501 and a rotating sleeve 502, the fixed shaft 501 is horizontally arranged, the fixed shaft 501 is fixedly connected to the supporting pile 3, the rotating sleeve 502 is sleeved on the fixed shaft 501 and is rotatably connected with the fixed shaft 501 through a bearing, and one end, far away from the supporting pile 3, of the fixed shaft 501 is fixedly connected with a first limiting sleeve 503; a pair of second hooks 14 is symmetrically arranged on the left side and the right side of the rotating sleeve 502, the indicating needle 15 is fixedly connected to the middle position of the rotating sleeve 502, and the first hook 13 is connected with the second hook 14 on the same side through a rope 16. The number of the base mechanisms 12 is four, the two base mechanisms 12 are positioned at the top end of the first bearing plate 1, and the two base mechanisms 12 positioned at the top end of the first bearing plate 1 are distributed symmetrically about the center of the support pile 3; the other two base mechanisms 12 are positioned at the bottom end of the bearing plate II 2, and the two base mechanisms 12 are distributed in a central symmetry mode relative to the supporting pile 3; the base mechanism 12 comprises a supporting seat 1201, a supporting shaft 1202 and a second limiting sleeve 1203, wherein the supporting seat 1201 is provided with a first through hole 1204 extending in the vertical direction and a second through hole 1205 extending in the horizontal direction, two ends of the supporting shaft 1202 respectively penetrate through the second through holes 1205 positioned on two sides of the supporting shaft 1202, and the second through holes 1205 are rotatably connected with the supporting shaft 1202 through bearings; the support shaft 1202 is positioned outside the support base 1201 and is further in threaded connection with a second limiting sleeve 1203; the surface of one side, close to the first bearing plate 1, of the support base 1201 fixedly connected to the top end of the first bearing plate 1 is provided with anti-skid grains 20; and the surface of one side, close to the second bearing plate 2, of the support base 1201 fixedly connected to the bottom end of the second bearing plate 2 is provided with anti-skid grains 20. The rotating sleeve 502 drives the indicating needle 15 to rotate leftwards or rightwards in the rotating process, and the indicating direction of the indicating needle 15 can display the inclined direction of the force on the current bearing plate two 2.
Example two
Referring to fig. 1 to 4, fig. 6 and fig. 7, on the basis of the first embodiment, the present embodiment further defines the rotation angle of the first balance adjustment arm 402, and ensures a stable state when the balance adjustment mechanism 4 operates by defining the rotation angle.
The embodiment 1 introduces a device for detecting bearing capacity of a pile-soil composite foundation, wherein a column body of the device comprises a bearing plate I1, a bearing plate II 2, a supporting pile 3, a balance adjusting mechanism 4 and an inclination indicating mechanism 5; the bottom end of the support pile 3 is fixedly connected with the first bearing plate 1, the top end of the support pile 3 is movably connected with the second bearing plate 2, and the center lines of the support pile 3, the first bearing plate 1 and the second bearing plate 2 are superposed; a supporting device with rigidity and mobility is formed among the supporting pile 3, the first bearing plate 1 and the second bearing plate 2, the top end of the supporting pile 3 is movably connected with the second bearing plate 2, and the second bearing plate 2 can incline left and right by using a supporting pile 3-position fulcrum when the bearing force is uneven; the number of the balance adjusting mechanisms 4 is two, the two balance adjusting mechanisms 4 are positioned at two sides of the supporting pile 3, and the two balance adjusting mechanisms 4 and the supporting pile 3 are positioned on a straight line passing through the center point of the upper end face of the bearing plate I1; the balance adjusting mechanism 4 comprises a movable shaft 401, a first balance adjusting arm 402, a second balance adjusting arm 403 and a third balance adjusting arm 404, a first bearing, a second bearing and a third bearing are fixedly sleeved on the movable shaft 401, a first rotating sleeve 6 is fixedly sleeved outside the first bearing, an upper limiting block 7 and a lower limiting block 8 are arranged inside the first rotating sleeve 6, a baffle plate 9 is fixedly arranged on the movable shaft 401 in a matched manner, and the baffle plate 9 is clamped between the upper limiting block 7 and the lower limiting block 8; external threads 21 are formed in the outer walls of two ends of the movable shaft 401, a third limiting sleeve 22 is further arranged at two ends of the movable shaft 401 in a matched mode, internal threads 23 are formed in the inner wall of the third limiting sleeve 22, and the third limiting sleeve 22 is in threaded connection with the movable shaft 401; a second rotating sleeve 10 is fixedly sleeved outside the second bearing, a third rotating sleeve 11 is fixedly sleeved outside the third bearing, the top end of a first balance adjusting arm 402 is rotatably connected with a second bearing plate 2 through a base mechanism 12, and the bottom end of the first balance adjusting arm 402 is fixedly connected with a first rotating sleeve 6; the bottom end of the second balance adjusting arm 403 is rotatably connected with the first bearing plate 1 through a base mechanism 12, and the top end of the second balance adjusting arm 403 is fixedly connected with the second rotating sleeve 10; one end of the third balance adjusting arm 404 is fixedly connected with the third rotating sleeve 11, and the other end of the third balance adjusting arm 404 is fixedly connected with the first hook 13; when the bearing plate I1 inclines towards one end, the bearing plate I1 inclines and presses the balance adjusting arm I402 downwards, the balance adjusting arm I402 rotates towards the left, at the moment, the movable shaft 401 rotates towards the left along with the balance adjusting arm I402, the movable shaft 401 drives the balance adjusting arm II 403 and the balance adjusting arm III 404 to move the balance adjusting arm III 404 towards the left and pulls the rotating sleeve 502 towards the left through the rope 16, the connecting seat rotates towards the left and pulls the balance supporting arm III at the other side towards the left through the rope 16, the balance supporting arm III at the other side moves towards the left and drives the movable shaft 401 to move towards the left, the movable shaft 401 moves towards the left so as to drive the balance adjusting arm I402 and the balance supporting arm II to move towards the left, the balance adjusting arm I402 and the balance supporting arm II move towards the left to force the bearing, the other end of the second bearing plate 2 is further caused to descend, so that the buffer adjustment is carried out when the stress of the second bearing plate 2 is unbalanced; the inclination indicating mechanism 5 comprises a fixed shaft 501 and a rotating sleeve 502, the fixed shaft 501 is horizontally arranged, the fixed shaft 501 is fixedly connected to the supporting pile 3, the rotating sleeve 502 is sleeved on the fixed shaft 501 and is rotatably connected with the fixed shaft 501 through a bearing, and one end, far away from the supporting pile 3, of the fixed shaft 501 is fixedly connected with a first limiting sleeve 503; a pair of second hooks 14 is symmetrically arranged on the left side and the right side of the rotating sleeve 502, the indicating needle 15 is fixedly connected to the middle position of the rotating sleeve 502, and the first hook 13 is connected with the second hook 14 on the same side through a rope 16. The number of the base mechanisms 12 is four, the two base mechanisms 12 are positioned at the top end of the first bearing plate 1, and the two base mechanisms 12 positioned at the top end of the first bearing plate 1 are distributed symmetrically about the center of the support pile 3; the other two base mechanisms 12 are positioned at the bottom end of the bearing plate II 2, and the two base mechanisms 12 are distributed in a central symmetry mode relative to the supporting pile 3; the base mechanism 12 comprises a supporting seat 1201, a supporting shaft 1202 and a second limiting sleeve 1203, wherein the supporting seat 1201 is provided with a first through hole 1204 extending in the vertical direction and a second through hole 1205 extending in the horizontal direction, two ends of the supporting shaft 1202 respectively penetrate through the second through holes 1205 positioned on two sides of the supporting shaft 1202, and the second through holes 1205 are rotatably connected with the supporting shaft 1202 through bearings; the support shaft 1202 is positioned outside the support base 1201 and is further in threaded connection with a second limiting sleeve 1203; the surface of one side, close to the first bearing plate 1, of the support base 1201 fixedly connected to the top end of the first bearing plate 1 is provided with anti-skid grains 20; and the surface of one side, close to the second bearing plate 2, of the support base 1201 fixedly connected to the bottom end of the second bearing plate 2 is provided with anti-skid grains 20. The rotating sleeve 502 drives the indicating needle 15 to rotate leftwards or rightwards in the rotating process, and the indicating direction of the indicating needle 15 can display the inclined direction of the force on the current bearing plate two 2. When the bearing plate II 2 is in a horizontal state, the balance adjusting arms II 403 are in a vertical state, the ends, far away from the movable shaft 401, of the balance adjusting arms III 404 point to the support piles 3, the included angles between the balance adjusting arms I402 and the horizontal direction are acute angles, one end, far away from the movable shaft 401, of one balance adjusting arm I402 inclines towards the support piles 3, and the other end, far away from the movable shaft 401, of the other balance adjusting arm I402 inclines towards the direction far away from the support piles 3; keep away from the supporting stake 3 one side of being close to of the supporting stake 3 that the supporting last stopper 7 and the lower stopper 8 that set up of a balanced regulating arm 402 that movable shaft 401 one end leaned towards supporting stake 3 direction are located on the movable shaft 401, keep away from supporting stake 3 one side of keeping away from the supporting stake 3 that the supporting last stopper 7 and the lower stopper 8 that set up of a balanced regulating arm 402 that movable shaft 401 one end leaned towards keeping away from supporting stake 3 direction are located on the movable shaft 401, go up the stopper 7 and be less than 180 with the lower stopper 8 between the contained angle. When the second bearing plate 2 is in a horizontal state, the indicating needle 15 is vertically upward. The included angle between the upper limiting plate 13 and the lower limiting plate 14 is smaller than 180 degrees, so that the balance adjusting arm I402 can be ensured to rotate in a proper range, and the whole device is ensured to be in a balance state all the time.
EXAMPLE III
Referring to fig. 1-7, on the basis of example two: in this embodiment, the connection manner between the first bearing, the second bearing, the third bearing and the movable shaft is described, which is favorable for the fixed connection between the first bearing, the second bearing, the third bearing and the movable shaft 401.
The movable shaft 401 is provided with a first bearing groove 17, a second bearing groove 18 and a third bearing groove 19, the first bearing is clamped in the first bearing groove 17, the second bearing is clamped in the second bearing groove 18, and the third bearing is clamped in the third bearing groove 19. The first bearing is engaged in the first bearing groove 17, the second bearing is engaged in the second bearing groove 18, and the third bearing is engaged in the third bearing groove 19, so that the first bearing, the second bearing, and the third bearing can be firmly connected to the movable shaft 401.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the invention or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims (7)

1. A device for detecting the bearing capacity of a pile-soil composite foundation is characterized by comprising a first bearing plate (1), a second bearing plate (2), a supporting pile (3), a balance adjusting mechanism (4) and an inclination indicating mechanism (5); the bottom end of the support pile (3) is fixedly connected with the bearing plate I (1); the top end of the support pile (3) is movably connected with the second bearing plate (2), and the center lines of the support pile (3), the first bearing plate (1) and the second bearing plate (2) are superposed; the number of the balance adjusting mechanisms (4) is two, the two balance adjusting mechanisms (4) are positioned on two sides of the supporting pile (3), and the two balance adjusting mechanisms (4) and the supporting pile (3) are positioned on a straight line passing through the center point of the upper end face of the bearing plate I (1); the balance adjusting mechanism (4) comprises a movable shaft (401), a first balance adjusting arm (402), a second balance adjusting arm (403) and a third balance adjusting arm (404), wherein the movable shaft (401) is fixedly sleeved with a first bearing, a second bearing and a third bearing, a first rotating sleeve (6) is fixedly sleeved outside the first bearing, an upper limiting block (7) and a lower limiting block (8) are arranged inside the first rotating sleeve (6), the movable shaft (401) is fixedly provided with a baffle (9) in a matched manner, and the baffle (9) is clamped between the upper limiting block (7) and the lower limiting block (8); a second rotating sleeve (10) is fixedly sleeved outside the second bearing, a third rotating sleeve (11) is fixedly sleeved outside the third bearing, the top end of a first balance adjusting arm (402) is rotatably connected with a second bearing plate (2) through a base mechanism (12), and the bottom end of the first balance adjusting arm (402) is fixedly connected with a first rotating sleeve (6); the bottom end of the second balance adjusting arm (403) is rotatably connected with the first bearing plate (1) through a base mechanism (12), and the top end of the second balance adjusting arm (403) is fixedly connected with the second rotating sleeve (10); one end of the balance adjusting arm III (404) is fixedly connected with the rotating sleeve III (11), and the other end of the balance adjusting arm III (404) is fixedly connected with the hook I (13); the number of the base mechanisms (12) is four, two base mechanisms (12) are positioned at the top end of the first bearing plate (1), and the two base mechanisms (12) positioned at the top end of the first bearing plate (1) are distributed in a central symmetry mode relative to the support pile (3); the other two base mechanisms (12) are positioned at the bottom end of the second bearing plate (2), and the two base mechanisms (12) are distributed in a central symmetry mode relative to the support pile (3).
2. The device for detecting the bearing capacity of the pile-soil composite foundation according to claim 1, wherein the base mechanism (12) comprises a supporting seat (1201), a supporting shaft (1202) and a second limiting sleeve (1203), a first through hole (1204) extending in the vertical direction and a second through hole (1205) extending in the horizontal direction are formed in the supporting seat (1201), two ends of the supporting shaft (1202) respectively penetrate through the second through holes (1205) on two sides of the supporting shaft (1202), and the second through holes (1205) are rotatably connected with the supporting shaft (1202) through bearings; the supporting shaft (1202) is positioned outside the supporting seat (1201) and is also in threaded connection with a second limiting sleeve (1203); the inclination indicating mechanism (5) comprises a fixed shaft (501) and a rotating sleeve (502), the fixed shaft (501) is horizontally arranged, the fixed shaft (501) is fixedly connected to the supporting pile (3), the rotating sleeve (502) is sleeved on the fixed shaft (501) and is rotatably connected with the fixed shaft (501) through a bearing, and one end, far away from the supporting pile (3), of the fixed shaft (501) is fixedly connected with a first limiting sleeve (503); the rotating sleeve (502) is symmetrically provided with a pair of second hooks (14) at the left side and the right side, the rotating sleeve (502) is fixedly connected with an indicating needle (15) at the middle position, the first hook (13) is connected with the second hook (14) at the same side through a rope (16), one end of the rope (16) is connected with the first hook (13) on the balance adjusting arm III (404), the other end of the rope (16) is connected with the second hook (14) on the rotating sleeve (502), when the bearing plate II (2) is in a horizontal state, the indicating needle (15) is vertically upward, when the bearing plate II (2) is inclined to the left, the indicating needle (15) is inclined to the left, when the bearing plate II (2) is inclined to the right, the indicating needle (15) is inclined to the right, when the bearing plate II (2) is in a horizontal state, the balance adjusting arm II (403) is in a vertical state, one end of the balance adjusting arm III (404), which is far away from the movable shaft (401), points to the supporting pile (3), and an included angle between the balance adjusting arm I (402) and the horizontal direction is an acute angle. One end, far away from the movable shaft (401), of one balance adjusting arm I (402) inclines towards the direction of the supporting pile (3), and one end, far away from the movable shaft (401), of the other balance adjusting arm I (402) inclines towards the direction of far away from the supporting pile (3); the included angle between the upper limiting block (7) and the lower limiting block (8) is less than 180 degrees; a first bearing groove (17), a second bearing groove (18) and a third bearing groove (19) are formed in the movable shaft (401), the first bearing is clamped in the first bearing groove (17), the second bearing is clamped in the second bearing groove (18), and the third bearing is clamped in the third bearing groove (19); external screw thread (21) have been seted up to loose axle (401) both ends outer wall, loose axle (401) both ends are still supporting to be provided with stop collar three (22), internal thread (23) have been seted up to stop collar three (22) inner wall, stop collar two (1203) and loose axle (401) threaded connection.
3. The apparatus for detecting bearing capacity of a pile-soil composite foundation according to claim 2, wherein one end of the first balance adjusting arm (402) away from the movable shaft (401) is inclined in the direction of the supporting pile (3), and the other end of the first balance adjusting arm (402) away from the movable shaft (401) is inclined in the direction of away from the supporting pile (3).
4. The device for detecting the bearing capacity of the pile-soil composite foundation according to claim 3, wherein an upper limit block (7) and a lower limit block (8) which are arranged in a matching way on the balance adjusting arm I (402) far away from one end of the movable shaft (401) and inclined towards the direction of the supporting pile (3) are positioned on one side, close to the supporting pile (3), of the movable shaft (401).
5. The device for detecting the bearing capacity of the pile-soil composite foundation according to claim 3, wherein the upper limit block (7) and the lower limit block (8) which are arranged in a matching way of the first balance adjusting arm (402) and are inclined to the direction far away from the supporting pile (3) from one end of the movable shaft (401) are positioned on one side, far away from the supporting pile (3), of the movable shaft (401).
6. The device for detecting the bearing capacity of the pile-soil composite foundation according to claim 2, wherein the surface of one side, close to the first bearing plate (1), of the support base (1201) fixedly connected to the top end of the first bearing plate (1) is provided with anti-slip lines (20).
7. The device for detecting the bearing capacity of the pile-soil composite foundation according to claim 2, wherein the surface of one side, close to the second bearing plate (2), of the support base (1201) fixedly connected to the bottom end of the second bearing plate (2) is provided with anti-slip lines (20).
CN202010306166.1A 2020-04-17 2020-04-17 Device for detecting bearing capacity of pile soil composite foundation Expired - Fee Related CN111501715B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01244363A (en) * 1988-03-25 1989-09-28 Mitsubishi Heavy Ind Ltd Centrifugal soil testing apparatus
CN102322052A (en) * 2011-07-25 2012-01-18 山东电力工程咨询院有限公司 Self-balancing foundation load test device
CN106677230A (en) * 2016-11-17 2017-05-17 长安大学 Pile soil composite foundation bearing force detecting device
CN207525792U (en) * 2017-10-14 2018-06-22 中化地质郑州岩土工程有限公司 A kind of device for being used to detect compound base bearing capacity
CN208167830U (en) * 2018-04-03 2018-11-30 南京科杰建设工程质量检测有限公司 A kind of compound base loading test device
CN209741810U (en) * 2019-03-04 2019-12-06 陕西长地建设工程质量检测有限公司 Combined type load testing device
CN210104813U (en) * 2018-11-16 2020-02-21 云南恒昊建设工程检测有限责任公司 Foundation detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01244363A (en) * 1988-03-25 1989-09-28 Mitsubishi Heavy Ind Ltd Centrifugal soil testing apparatus
CN102322052A (en) * 2011-07-25 2012-01-18 山东电力工程咨询院有限公司 Self-balancing foundation load test device
CN106677230A (en) * 2016-11-17 2017-05-17 长安大学 Pile soil composite foundation bearing force detecting device
CN207525792U (en) * 2017-10-14 2018-06-22 中化地质郑州岩土工程有限公司 A kind of device for being used to detect compound base bearing capacity
CN208167830U (en) * 2018-04-03 2018-11-30 南京科杰建设工程质量检测有限公司 A kind of compound base loading test device
CN210104813U (en) * 2018-11-16 2020-02-21 云南恒昊建设工程检测有限责任公司 Foundation detection device
CN209741810U (en) * 2019-03-04 2019-12-06 陕西长地建设工程质量检测有限公司 Combined type load testing device

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