CN112229731A - Pile foundation test loading device - Google Patents
Pile foundation test loading device Download PDFInfo
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- CN112229731A CN112229731A CN202011071840.9A CN202011071840A CN112229731A CN 112229731 A CN112229731 A CN 112229731A CN 202011071840 A CN202011071840 A CN 202011071840A CN 112229731 A CN112229731 A CN 112229731A
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- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- G01N3/12—Pressure testing
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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
- G01N2203/0019—Compressive
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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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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a pile foundation test loading device which comprises a limiting support round block and a second limiting circular plate, wherein three first limiting clamping seats are arranged on the limiting support round block along the circumferential direction; the three first limiting clamping seats are respectively clamped with a first limiting block; the first limiting block is connected with a limiting supporting rod through a first fastening knob; the limiting support rod is connected with the adjusting support rod through an adjusting limiting block; a second limiting block is arranged at the joint of the lower end of the limiting supporting rod and the adjusting supporting rod; a second limiting clamping seat is fixed on the inner wall of the second limiting block; a second fastening knob is arranged on the adjusting limiting block; a bottom limiting block is fixed at the lower end of the adjusting support rod; the bottom limiting block is connected with the hinged joint, and the pile foundation test loading device is convenient to install and disassemble, relatively high in universality, stable and convenient to carry.
Description
Technical Field
The invention relates to the technical field of pile foundations, in particular to a pile foundation test loading device.
Background
With the construction of high-rise buildings, bridges, towers and other buildings, the combined load action from the upper part of a single pile is increasingly emphasized in engineering practice, so that the pressure test of a pile foundation is required, and a pile foundation test loading device is required.
But the experimental loading device of present pile foundation still has the installation and dismantles inconveniently, and the commonality is poor, and is unstable, carries inconvenient problem. Therefore, it is necessary to design a pile foundation test loading device which is convenient to install and disassemble, relatively strong in universality, stable and convenient to carry.
Disclosure of Invention
The invention aims to provide a pile foundation test loading device to solve the problems in the background technology.
In order to achieve the aim, the invention provides a pile foundation test loading device which comprises a limiting support round block and a second limiting circular plate, wherein three first limiting clamping seats are arranged on the limiting support round block along the circumferential direction; the three first limiting clamping seats are respectively clamped with a first limiting block; the first limiting block is connected with a limiting supporting rod through a first fastening knob; the limiting support rod is connected with the adjusting support rod through an adjusting limiting block; a second limiting block is arranged at the joint of the lower end of the limiting supporting rod and the adjusting supporting rod; a second limiting clamping seat is fixed on the inner wall of the second limiting block; a second fastening knob is arranged on the adjusting limiting block; a bottom limiting block is fixed at the lower end of the adjusting support rod; the bottom limiting block is connected with a hinged joint; a pressurizing hydraulic cylinder is fixed on the limiting support round block; a limit ring sleeve is connected on the pressurizing hydraulic cylinder in a sliding way; three third limiting clamping seats are fixed on the limiting ring sleeve along the circumferential direction; the third limiting clamping seat is hinged with the first hinging block; a fourth fastening knob is fixed on a third limiting clamping seat; the fourth fastening knob is in threaded connection with the limit ring sleeve; the first hinge block is connected with the telescopic end of the adjusting hydraulic cylinder; a second hinge block is fixed at the non-telescopic end of the adjusting hydraulic cylinder; a third fastening knob is arranged on the second hinging block; the second hinge block is hinged with the second limiting clamping seat; the telescopic end part of the pressurizing hydraulic cylinder is connected with a threaded connector; the threaded connector is in threaded connection with the threaded connecting sleeve; a first limiting circular plate is fixed on the threaded connecting sleeve; the first limiting circular plate is provided with a plurality of limiting jacks along the circumferential direction; a plurality of limiting guide pillars are fixed on the second limiting circular plate; the limiting guide pillar penetrates through the limiting insertion hole and is in threaded connection with the fastening nut; a buffer spring is arranged on the limiting guide post relative to the position between the first limiting circular plate and the second limiting circular plate; and a pressure sensor is arranged on the second limiting circular plate.
Preferably, the second hinge block is hinged to the second limit clamping seat through a second hinge shaft.
Preferably, the second hinge block is provided with a first limiting hole for the second hinge shaft to pass through; a second limiting hole for a second hinge shaft to pass through is formed in the second limiting clamping seat; the first limiting holes correspond to the second limiting holes one to one.
Preferably, the limiting guide post is provided with an external thread in threaded connection with the fastening nut.
Preferably, the pressure sensor is in electrical signal connection with a computer.
Preferably, the pressurizing hydraulic cylinder is matched with the limiting ring sleeve; the threaded connector is matched with the threaded connecting sleeve.
Preferably, the inner wall of the second limiting block is fixedly connected with a second limiting clamping seat through a screw.
Preferably, the limiting ring sleeve is provided with a threaded hole; a fastening stud is arranged on the fourth fastening knob; the limit ring sleeve is in threaded connection with the fourth fastening knob through a threaded hole and a fastening stud.
Preferably, the mounting base is provided with a plurality of mounting holes; for fixing to the ground.
Preferably, the hinge joint is hinged to the mounting base through a first hinge shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. in the pile foundation test loading device, a second limiting clamping seat is fixed on the inner wall of a second limiting block; the second hinge block is hinged with the second limiting clamping seat through a second hinge shaft, and a third fastening knob is arranged on the second hinge block; a fourth fastening knob is fixed on a third limiting clamping seat; the limiting ring sleeve is provided with a threaded hole; a fastening stud is arranged on the fourth fastening knob; the limiting ring sleeve is in threaded connection with the fourth fastening knob through a threaded hole and a fastening stud; a second fastening knob is arranged on the adjusting limiting block; the threaded connector is in threaded connection with the threaded connecting sleeve; the limiting guide pillar penetrates through the limiting insertion hole and is in threaded connection with the fastening nut; loosening the third fastening knob, the fourth fastening knob and the second fastening knob, then pressing the limit ring sleeve downwards, meanwhile, starting the adjusting hydraulic cylinder to enable the telescopic end of the adjusting hydraulic cylinder to stretch and retract, further enabling the second limit block to slide up and down, further adjusting the height and the unfolding degree of the three adjusting support rods, then screwing the third fastening knob, the second fastening knob and the first fastening knob to finish the unfolding of the adjusting support rods and the adjustment of the height of the adjusting support rods, then fixing the mounting base on the ground by using bolts, then mounting a buffer spring on the limit guide pillar, and then enabling the limit guide pillar to penetrate through the limit insertion hole to be in threaded connection with the fastening nut; then the threaded connector is in threaded connection with the threaded connecting sleeve, the device is mounted and dismounted conveniently.
2. According to the pile foundation test loading device, three first limiting clamping seats are arranged on the limiting supporting round block along the circumferential direction; the three first limiting clamping seats are respectively clamped with a first limiting block; the first limiting block is connected with a limiting supporting rod through a first fastening knob; the limiting support rod is connected with the adjusting support rod through an adjusting limiting block; a second limiting block is arranged at the joint of the lower end of the limiting supporting rod and the adjusting supporting rod; a second limiting clamping seat is fixed on the inner wall of the second limiting block; a second fastening knob is arranged on the adjusting limiting block; the first hinge block is connected with the telescopic end of the adjusting hydraulic cylinder; a second hinge block is fixed at the non-telescopic end of the adjusting hydraulic cylinder; a third fastening knob is arranged on the second hinging block; according to the size of pile foundation and the condition on ground, adjust three regulation support bar's height and expansion degree, at first loosen third fastening knob, fourth fastening knob and second fastening knob, then push down the spacing ring cover, meanwhile, start the adjusting hydraulic cylinder, make the flexible end of adjusting hydraulic cylinder flexible, and then make the second stopper slide from top to bottom, and then adjust three regulation support bar's height and expansion degree, then screw up third fastening knob, second fastening knob and first fastening knob, accomplish the expansion of regulation support bar and the regulation of regulation support bar height, adapt to not equidimension pile foundation, adapt to different bottom surfaces, commonality is stronger.
3. In the pile foundation test loading device, the second hinge block is provided with a third fastening knob; a fourth fastening knob is fixed on a third limiting clamping seat; the first limiting block is connected with a limiting supporting rod through a first fastening knob; three first limiting clamping seats are arranged on the limiting supporting round block along the circumferential direction; the three first limiting clamping seats are respectively clamped with a first limiting block; a second fastening knob is arranged on the adjusting limiting block; then screw up the third fastening knob, fix the adjustment pneumatic cylinder, the spacing is fixed to the adjustment stopper in second fastening knob, and first fastening knob carries out spacing fixed to spacing bracing piece, fixes the installation base subaerial with the bolt for this device is more stable.
4. According to the pile foundation test loading device, three first limiting clamping seats are arranged on the limiting supporting round block along the circumferential direction; the three first limiting clamping seats are respectively clamped with a first limiting block; the first limiting block is connected with a limiting supporting rod through a first fastening knob; the limiting support rod is connected with the adjusting support rod through an adjusting limiting block; a second limiting block is arranged at the joint of the lower end of the limiting supporting rod and the adjusting supporting rod; a second limiting clamping seat is fixed on the inner wall of the second limiting block; a second fastening knob is arranged on the adjusting limiting block; the first hinge block is connected with the telescopic end of the adjusting hydraulic cylinder; a second hinge block is fixed at the non-telescopic end of the adjusting hydraulic cylinder; a third fastening knob is arranged on the second hinging block; after the device is used, the third fastening knob, the fourth fastening knob, the second fastening knob and the first fastening knob are loosened, then the three adjusting support rods are drawn close to the pressurizing hydraulic cylinder, and the stable type supporting leg is collected and folded, so that the device is convenient to carry.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a first structural schematic diagram of a pile foundation test loading device of the invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
FIG. 5 is a schematic structural diagram of a pile foundation test loading device of the invention;
FIG. 6 is a third structural schematic diagram of a pile foundation test loading device of the present invention;
fig. 7 is a structural schematic diagram of a pile foundation test loading device of the invention.
The drawings are numbered as follows: 1-limiting a supporting round block; 2-a first limit card seat; 3-a first limiting block; 4-a first fastening knob; 5-limiting supporting rods; 6-a second limiting block; 7-adjusting a limiting block; 8-a second fastening knob; 9-adjusting the support rod; 10-a bottom stopper; 11-an articulated joint; 12-a first articulated shaft; 13-mounting a base; 14-mounting holes; 15-a second limit card seat; 16-a second articulated shaft; 17-a third tightening knob; 18-a pressurized hydraulic cylinder; 19-a spacing ring sleeve; 20-a third limiting clamping seat; 21-a fourth fastening knob; 22-a first articulated block; 23-adjusting the hydraulic cylinder; 24-a threaded connector; 25-a threaded connection sleeve; 26-a first limiting circular plate; 27-a second limiting circular plate; 28-a limiting guide post; 29-a buffer spring; 30-a fastening nut; 31-a pressure sensor; 32-a second articulated block; 33-limiting insertion hole.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1-7, the pile foundation test loading device comprises a limiting support round block 1 and a second limiting round plate 27, wherein three first limiting clamping seats 2 are arranged on the limiting support round block 1 along the circumferential direction; the three first limiting clamping seats 2 are respectively clamped with a first limiting block 3; the first limiting block 3 is connected with a limiting support rod 5 through a first fastening knob 4; the limiting support rod 5 is connected with the adjusting support rod 9 through an adjusting limiting block 7; a second limiting block 6 is arranged at the joint of the lower end of the limiting support rod 5 and the adjusting support rod 9; a second limiting clamping seat 15 is fixed on the inner wall of the second limiting block 6; a second fastening knob 8 is arranged on the adjusting limiting block 7; the lower end of the adjusting support rod 9 is fixed with a bottom limiting block 10; the bottom limiting block 10 is connected with a hinged joint 11; a pressurizing hydraulic cylinder 18 is fixed on the limiting support round block 1; a limit ring sleeve 19 is connected on the pressurizing hydraulic cylinder 18 in a sliding way; three third limiting clamping seats 20 are fixed on the limiting ring sleeve 19 along the circumferential direction; the third limiting clamping seat 20 is hinged with the first hinging block 22; a fourth fastening knob 21 is fixed on a third limiting clamping seat 20; the fourth fastening knob 21 is in threaded connection with the position-limiting ring sleeve 19; the first hinged block 22 is connected with the telescopic end of the adjusting hydraulic cylinder 23; a second hinged block 32 is fixed at the non-telescopic end of the adjusting hydraulic cylinder 23; the second hinging block 32 is provided with a third fastening knob 17; the second hinge block 32 is hinged with the second limit clamping seat 15; the telescopic end part of the pressurizing hydraulic cylinder 18 is connected with a threaded connector 24; the threaded connector 24 is in threaded connection with the threaded connecting sleeve 25; a first limiting circular plate 26 is fixed on the threaded connecting sleeve 25; the first limiting circular plate 26 is provided with a plurality of limiting jacks 33 along the circumferential direction; a plurality of limiting guide pillars 28 are fixed on the second limiting circular plate 27; the limiting guide post 28 passes through the limiting insertion hole 33 and is in threaded connection with the fastening nut 30; a buffer spring 29 is arranged on the limiting guide post 28 opposite to the space between the first limiting circular plate 26 and the second limiting circular plate 27; the second limiting circular plate 27 is provided with a pressure sensor 31.
In this embodiment, the second hinge block 32 is hinged to the second limit card holder 15 through the second hinge shaft 16.
In this embodiment, the second hinge block 32 is provided with a first limiting hole for the second hinge shaft 16 to pass through; a second limiting hole for a second hinge shaft 16 to pass through is formed in the second limiting clamping seat 15; the first limiting holes correspond to the second limiting holes one to one.
In this embodiment, the position-limiting guide post 28 is provided with an external thread that is in threaded connection with the fastening nut 30.
In the present embodiment, the pressure sensor 31 is electrically and signally connected to a computer.
In this embodiment, the hydraulic cylinder 18 is adapted to the spacing collar 19; the threaded connector 24 is adapted to a threaded connection sleeve 25.
In this embodiment, the inner wall of the second limiting block 6 is fixedly connected with a second limiting clamping seat 15 through a screw.
In this embodiment, the position-limiting ring sleeve 19 is provided with a threaded hole; a fastening stud is arranged on the fourth fastening knob 21; the spacing ring sleeve 19 is in threaded connection with a fourth fastening knob 21 through a threaded hole and a fastening stud.
In this embodiment, the mounting base 13 is provided with a plurality of mounting holes 14; for fixing to the ground.
In this embodiment, the hinge joint 11 is hinged to the mounting base 13 through a first hinge shaft 12.
When the pile foundation test loading device works, firstly, the height and the expansion degree of the three adjusting support rods 9 are adjusted according to the size of a pile foundation and the ground condition, firstly, the third fastening knob 17, the fourth fastening knob 21 and the second fastening knob 8 are loosened, then the position-limiting ring sleeve 19 is pressed downwards, at the same time, the adjusting hydraulic cylinder 23 is started, the telescopic end of the adjusting hydraulic cylinder 23 is made to stretch, so that the second limit block 6 can slide up and down, and the height and the unfolding degree of the three adjusting support rods 9 can be adjusted, then the third fastening knob 17, the second fastening knob 8 and the first fastening knob 4 are screwed down to finish the expansion of the adjusting supporting rod 9 and the adjustment of the height of the adjusting supporting rod 9, then fixing the mounting base 13 on the ground by using a bolt, then mounting the buffer spring 29 on the limiting guide post 28, and then enabling the limiting guide post 28 to penetrate through the limiting insertion hole 33 to be in threaded connection with the fastening nut 30; then threaded connection head 24 and threaded connection sleeve 25 threaded connection, this device has just been installed, then start pressurization hydraulic cylinder 18, make the flexible end extension of pressurization hydraulic cylinder 18, make pressure sensor 31 tightly withstand the pile foundation, carry out pressure test to the pile foundation, the pressure that pressure sensor 31 measured conveys on the computer, make people can the audio-visual seeing out, after this device uses the completion, loosen third fastening knob 17, fourth fastening knob 21 and second fastening knob 8 and first fastening knob 4, then draw close three regulation brace 9 to pressurization hydraulic cylinder 18, collect folding to this stable form landing leg.
In the pile foundation test loading device, a second limiting clamping seat 15 is fixed on the inner wall of a second limiting block 6; the second hinging block 32 is hinged with the second limiting clamping seat 15 through a second hinging shaft 16, and a third fastening knob 17 is arranged on the second hinging block 32; a fourth fastening knob 21 is fixed on a third limiting clamping seat 20; the spacing ring sleeve 19 is provided with a threaded hole; a fastening stud is arranged on the fourth fastening knob 21; the limit ring sleeve 19 is in threaded connection with a fourth fastening knob 21 through a threaded hole and a fastening stud; a second fastening knob 8 is arranged on the adjusting limiting block 7; the threaded connector 24 is in threaded connection with the threaded connecting sleeve 25; the limiting guide post 28 passes through the limiting insertion hole 33 and is in threaded connection with the fastening nut 30; loosening the third fastening knob 17, the fourth fastening knob 21 and the second fastening knob 8, then pressing the limit ring sleeve 19 downwards, meanwhile, starting the adjusting hydraulic cylinder 23 to enable the telescopic end of the adjusting hydraulic cylinder 23 to stretch and retract, further enabling the second limit block 6 to slide up and down, further adjusting the heights and the unfolding degrees of the three adjusting support rods 9, then screwing the third fastening knob 17, the second fastening knob 8 and the first fastening knob 4 to finish the unfolding of the adjusting support rods 9 and the adjustment of the heights of the adjusting support rods 9, then fixing the mounting base 13 on the ground by using bolts, then mounting the buffer spring 29 on the limit guide post 28, and then enabling the limit guide post 28 to pass through the limit insertion hole 33 to be in threaded connection with the fastening nut 30; then the threaded connector 24 is in threaded connection with the threaded connecting sleeve 25, the device is mounted and dismounted conveniently.
According to the pile foundation test loading device, three first limiting clamping seats 2 are arranged on a limiting supporting round block 1 along the circumferential direction; the three first limiting clamping seats 2 are respectively clamped with a first limiting block 3; the first limiting block 3 is connected with a limiting support rod 5 through a first fastening knob 4; the limiting support rod 5 is connected with the adjusting support rod 9 through an adjusting limiting block 7; a second limiting block 6 is arranged at the joint of the lower end of the limiting support rod 5 and the adjusting support rod 9; a second limiting clamping seat 15 is fixed on the inner wall of the second limiting block 6; a second fastening knob 8 is arranged on the adjusting limiting block 7; the first hinged block 22 is connected with the telescopic end of the adjusting hydraulic cylinder 23; a second hinged block 32 is fixed at the non-telescopic end of the adjusting hydraulic cylinder 23; the second hinging block 32 is provided with a third fastening knob 17; according to the size of the pile foundation and the condition on ground, adjust the height and the expansion degree of three adjusting support pole 9, at first loosen third fastening knob 17, fourth fastening knob 21 and second fastening knob 8, then press down spacing ring cover 19, meanwhile, start adjusting hydraulic cylinder 23, make adjusting hydraulic cylinder 23's flexible end flexible, and then make second stopper 6 slide from top to bottom, and then adjust the height and the expansion degree of three adjusting support pole 9, then screw up third fastening knob 17, second fastening knob 8 and first fastening knob 4, accomplish the expansion of adjusting support pole 9 and the regulation of adjusting support pole 9 height, adapt to not equidimension pile foundation, adapt to different bottom surfaces, the commonality is stronger.
In the pile foundation test loading device, the second hinge block 32 is provided with a third fastening knob 17; a fourth fastening knob 21 is fixed on a third limiting clamping seat 20; the first limiting block 3 is connected with a limiting support rod 5 through a first fastening knob 4; three first limiting clamping seats 2 are arranged on the limiting supporting round block 1 along the circumferential direction; the three first limiting clamping seats 2 are respectively clamped with a first limiting block 3; a second fastening knob 8 is arranged on the adjusting limiting block 7; then the third fastening knob 17 is screwed up to fix the adjusting hydraulic cylinder 23, the second fastening knob 8 is used for limiting and fixing the adjusting limiting block 7, the first fastening knob 4 is used for limiting and fixing the limiting supporting rod 5, and the mounting base 13 is fixed on the ground through bolts, so that the device is relatively stable.
According to the pile foundation test loading device, three first limiting clamping seats 2 are arranged on a limiting supporting round block 1 along the circumferential direction; the three first limiting clamping seats 2 are respectively clamped with a first limiting block 3; the first limiting block 3 is connected with a limiting support rod 5 through a first fastening knob 4; the limiting support rod 5 is connected with the adjusting support rod 9 through an adjusting limiting block 7; a second limiting block 6 is arranged at the joint of the lower end of the limiting support rod 5 and the adjusting support rod 9; a second limiting clamping seat 15 is fixed on the inner wall of the second limiting block 6; a second fastening knob 8 is arranged on the adjusting limiting block 7; the first hinged block 22 is connected with the telescopic end of the adjusting hydraulic cylinder 23; a second hinged block 32 is fixed at the non-telescopic end of the adjusting hydraulic cylinder 23; the second hinging block 32 is provided with a third fastening knob 17; after the device is used, the third fastening knob 17, the fourth fastening knob 21, the second fastening knob 8 and the first fastening knob 4 are loosened, then the three adjusting support rods 9 are drawn close to the pressurizing hydraulic cylinder 18, and the stable type supporting leg is collected and folded, so that the device is convenient to carry and good in practicability.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. The utility model provides a pile foundation test loading device which characterized in that: the device comprises a limiting support round block (1) and a second limiting circular plate (27), wherein three first limiting clamping seats (2) are arranged on the limiting support round block (1) along the circumferential direction; the three first limiting clamping seats (2) are respectively clamped with a first limiting block (3); the first limiting block (3) is connected with a limiting support rod (5) through a first fastening knob (4); the limiting support rod (5) is connected with the adjusting support rod (9) through an adjusting limiting block (7); a second limiting block (6) is arranged at the joint of the lower end of the limiting support rod (5) and the adjusting support rod (9); a second limiting clamping seat (15) is fixed on the inner wall of the second limiting block (6); a second fastening knob (8) is arranged on the adjusting limit block (7); the lower end of the adjusting support rod (9) is fixed with a bottom limiting block (10); the bottom limiting block (10) is connected with a hinged joint (11); a pressurizing hydraulic cylinder (18) is fixed on the limiting support round block (1); a limit ring sleeve (19) is connected on the pressurizing hydraulic cylinder (18) in a sliding way; three third limiting clamping seats (20) are fixed on the limiting ring sleeve (19) along the circumferential direction; the third limiting clamping seat (20) is hinged with the first hinging block (22); a fourth fastening knob (21) is fixed on a third limiting clamping seat (20); the fourth fastening knob (21) is in threaded connection with the limit ring sleeve (19); the first hinged block (22) is connected with the telescopic end of the adjusting hydraulic cylinder (23); a second hinged block (32) is fixed at the non-telescopic end of the adjusting hydraulic cylinder (23); a third fastening knob (17) is arranged on the second hinging block (32); the second hinging block (32) is hinged with the second limiting clamping seat (15); the telescopic end part of the pressurizing hydraulic cylinder (18) is connected with a threaded connector (24); the threaded connector (24) is in threaded connection with the threaded connecting sleeve (25); a first limiting circular plate (26) is fixed on the threaded connecting sleeve (25); the first limiting circular plate (26) is provided with a plurality of limiting jacks (33) along the circumferential direction; a plurality of limiting guide posts (28) are fixed on the second limiting circular plate (27); the limiting guide post (28) penetrates through the limiting insertion hole (33) to be in threaded connection with the fastening nut (30); a buffer spring (29) is arranged on the limiting guide post (28) relative to the space between the first limiting circular plate (26) and the second limiting circular plate (27); the second limiting circular plate (27) is provided with a pressure sensor (31).
2. The pile foundation test loading device of claim 1, wherein: the second hinging block (32) is hinged with the second limiting clamping seat (15) through a second hinging shaft (16).
3. The pile foundation test loading device of claim 1, wherein: a first limiting hole for the second hinge shaft (16) to pass through is formed in the second hinge block (32); a second limiting hole for a second hinge shaft (16) to pass through is formed in the second limiting clamping seat (15); the first limiting holes correspond to the second limiting holes one to one.
4. The pile foundation test loading device of claim 1, wherein: the limiting guide post (28) is provided with an external thread which is in threaded connection with the fastening nut (30).
5. The pile foundation test loading device of claim 1, wherein: the pressure sensor (31) is electrically and electrically connected with a computer.
6. The pile foundation test loading device of claim 1, wherein: the pressurizing hydraulic cylinder (18) is adapted to the position-limiting ring sleeve (19); the threaded connector (24) is adapted to the threaded connecting sleeve (25).
7. The pile foundation test loading device of claim 1, wherein: the inner wall of the second limiting block (6) is fixedly connected with a second limiting clamping seat (15) through a screw.
8. The pile foundation test loading device of claim 1, wherein: the limit ring sleeve (19) is provided with a threaded hole; a fastening stud is arranged on the fourth fastening knob (21); the limit ring sleeve (19) is in threaded connection with a fourth fastening knob (21) through a threaded hole and a fastening stud.
9. The pile foundation test loading device of claim 1, wherein: a plurality of mounting holes (14) are formed in the mounting base (13); for fixing to the ground.
10. The pile foundation test loading device of claim 1, wherein: the hinged joint (11) is hinged with the mounting base (13) through a first hinged shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071840.9A CN112229731A (en) | 2020-10-09 | 2020-10-09 | Pile foundation test loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071840.9A CN112229731A (en) | 2020-10-09 | 2020-10-09 | Pile foundation test loading device |
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| CN112229731A true CN112229731A (en) | 2021-01-15 |
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| CN202011071840.9A Pending CN112229731A (en) | 2020-10-09 | 2020-10-09 | Pile foundation test loading device |
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