CN216787244U - Model test device for discrete material pile composite foundation - Google Patents
Model test device for discrete material pile composite foundation Download PDFInfo
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- CN216787244U CN216787244U CN202122810400.7U CN202122810400U CN216787244U CN 216787244 U CN216787244 U CN 216787244U CN 202122810400 U CN202122810400 U CN 202122810400U CN 216787244 U CN216787244 U CN 216787244U
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Abstract
The utility model relates to a model test device for a discrete material pile composite foundation, which comprises a bottom plate, wherein a testing assembly of a door-shaped structure is movably arranged on the bottom plate, a discrete material pile model is also arranged on the bottom plate, the discrete material pile model is positioned in the testing assembly, and the testing assembly can relatively move relative to the discrete material pile model so as to respectively apply pressure and cut the discrete material pile model and carry out an experiment on the discrete material pile model. According to the utility model, through the construction of the discrete body pile model, the pressure test can be synchronously carried out on various discrete body pile bodies by matching with the test component, and the pile bodies are tested through different pressures, so that the stress deformation condition of the discrete body pile bodies can be more comprehensively and directly observed, the statistics and the detection are more convenient, meanwhile, the stress deformation condition of the discrete body pile bodies in different shapes can be more directly observed, the detection on the discrete body pile model is convenient, and the protection condition of a foundation on the discrete body pile can also be observed.
Description
Technical Field
The utility model relates to the technical field of road administration material experiments, in particular to a model test device for a discrete material pile composite foundation.
Background
The composite foundation is an artificial foundation which is formed by a base body and a reinforcement body, wherein part of soil body of the natural foundation is reinforced or replaced in the foundation treatment process, or reinforcement materials are arranged in the natural foundation.
The compressive strength of the discrete particle material piles is mainly caused by the frictional resistance among particles, the biting force and the constraint force of the surrounding boundary. Before the discrete particle material pile body is put into use, the test needs to be carried out to check the load-bearing capacity of the pile body and test the deformation quantity of the pile body under high pressure. In the prior art, no relevant test device is used for carrying out experiments. For this reason, it is necessary to develop an experimental apparatus for conforming discrete material piles to the foundation.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a model test device for a discrete material pile composite foundation aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a model test device for discrete material stake composite foundation, includes the bottom plate, the activity is provided with the test component of door type structure on the bottom plate, still be equipped with discrete material stake model on the bottom plate, just discrete material stake model is located in the test component, just the test component can be relative discrete material stake model relative movement, in order to right discrete material stake model is exerted pressure and is cut respectively, in order to right discrete material stake model is experimented.
The utility model has the beneficial effects that: according to the model test device for the discrete material pile composite foundation, disclosed by the utility model, through the construction of the discrete material pile model, the pressure test can be synchronously carried out on various discrete material pile bodies by matching with the test component, and the pile bodies are tested through different pressures, so that the stress deformation condition of the discrete material pile bodies can be more comprehensively and directly observed, the statistics and the detection are more convenient, meanwhile, the stress deformation condition of the discrete material pile bodies in different shapes can be more directly observed, the detection on the discrete material pile model is convenient, and the protection condition of the foundation on the discrete material pile can also be observed.
On the basis of the technical scheme, the utility model can be further improved as follows:
further: the discrete pile model comprises a protective shell with an upper end opening and an inner hollow structure, the protective shell is internally provided with a cutting shell with an upper end opening and an inner hollow structure, a foundation model is arranged in the cutting shell, a first pile body, a second pile body and a third pile body are buried in the foundation model respectively, the test assembly can move relative to the first pile body, the second pile body and the third pile body and respectively apply pressure to the first pile body, the second pile body and the third pile body, and the foundation model is cut to test the first pile body, the second pile body and the third pile body.
The beneficial effects of the further scheme are as follows: through the protecting sheathing can be right the cutting shell effectively protects, and set up ground model and first pile, second pile and third pile in the cutting shell, the cooperation like this the test assembly can accomplish respectively to the application of pressure of first pile, second pile and third pile and to the cutting experiment of ground model.
Further: the testing component comprises a first connecting body, a second connecting body, a first support arm, a second support arm and a movable testing mechanism, wherein the first connecting body and the second connecting body are arranged on the bottom plate in a parallel mode at intervals, the first support arm and the second support arm are respectively arranged on the first connecting body and the second connecting body in a corresponding movable mode, the movable testing mechanism is arranged between the first connecting body and the second connecting body, the two ends of the movable testing mechanism are respectively connected with the upper ends of the first connecting body and the second connecting body in a corresponding mode, the first support arm and the second support arm can respectively and simultaneously move along the first connecting body and the second connecting body, and therefore the movable testing mechanism is driven to move relative to the first pile body, the second pile body and the third pile body on the bulk pile model.
The beneficial effects of the further scheme are as follows: through with first support arm and second support arm activity respectively set up on the first connector, can pass through like this first support arm and second support arm respectively for first connector removes, thereby comes the regulation test assembly for the position of ground model and first pile, second pile and third pile, thereby accomplish the cutting experiment to the ground model, and to the experiment of exerting pressure of first pile, second pile and third pile.
Further: be provided with along its length direction in the first connector and can pivoted first threaded rod, the lower pot head of first support arm is established first threaded rod, be provided with the slip guide arm along its length direction in the second connector, the lower pot head of second support arm is established on the slip guide arm, and rotates first threaded rod can drive first connector and first support arm along first threaded rod removes to drive in step the second connector and the second support arm along the slip guide arm removes, and then drives in step the activity test mechanism for first pile body, second pile body and third pile body on the bulk material pile model remove.
The beneficial effects of the further scheme are as follows: through setting up first threaded rod, can drive through rotating like this first threaded rod first support arm is in first threaded rod moves to drive through activity test mechanism the second support arm slides for the sliding guide slides, has realized switching the test position of different piles bodies.
Further: one end of the first threaded rod extends out of the first connecting body, and the rocking handle is installed at one end of the first connecting body, wherein the rocking handle is extended out of the first threaded rod.
The beneficial effects of the further scheme are as follows: through setting up the rocking handle, drive that can be more convenient first threaded rod rotates to the drive first connector is in first threaded rod moves.
Further: the movable test mechanism comprises a second threaded rod and a third threaded rod, the second threaded rod and the third threaded rod are arranged between the upper ends of the first support arm and the second support arm at intervals in parallel, a first hydraulic cylinder is sleeved on the second threaded rod, the second threaded rod is rotated to drive the first hydraulic cylinder to move along the second threaded rod, a hydraulic hammer is connected to the bottom end of the first hydraulic cylinder in a sliding mode, the first hydraulic cylinder can drive the hydraulic hammer to move downwards and apply pressure to a plurality of pile bodies on the bulk pile model; the cover is equipped with the second pneumatic cylinder on the third threaded rod, and rotates the third threaded rod can drive the second pneumatic cylinder along the third threaded rod removes, the bottom sliding connection of second pneumatic cylinder has the cutter, just the second pneumatic cylinder can drive cutter downstream is right the ground model cuts.
The beneficial effects of the further scheme are as follows: through setting up the second threaded rod can make things convenient for the drive to adjust the position of first pneumatic cylinder, thereby makes under the drive effect of first pneumatic cylinder, the hydraulic hammer downstream, and right a plurality of pile bodies on the scattered body pile model are exerted pressure, and through setting up the third threaded rod can make things convenient for the drive to adjust the position of second pneumatic cylinder, thereby make under the drive effect of second pneumatic cylinder, cutter downstream is right the ground model cuts, accomplishes the experiment smoothly.
Further: a plurality of cutting grooves are formed in the side walls of the four sides of the cutting shell at equal intervals.
The beneficial effects of the further scheme are as follows: the cutting device comprises a cutting shell, a second hydraulic cylinder, a cutter, a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder, wherein the cutting shell is provided with a plurality of cutting grooves in the four side walls of the cutting shell at equal intervals, the second hydraulic cylinder drives the cutter to move downwards to be smoothly aligned, and the cutting of the foundation model is realized.
Further: the activity test mechanism still includes first spacing body and the spacing body of second, first spacing body sets up between first support arm and the second support arm, and is located one side that the third threaded rod was kept away from to the second threaded rod, first pneumatic cylinder is close to the one end of first spacing body slides and sets up on the first spacing body, the spacing body of second sets up between first support arm and the second support arm, and is located one side that the second threaded rod was kept away from to the third threaded rod, the second pneumatic cylinder is close to the one end of the spacing body of second slides and sets up on the spacing body of second.
The beneficial effects of the further scheme are as follows: through setting up first spacing body and second spacing body can be right respectively first pneumatic cylinder and second pneumatic cylinder play support and spacing effect in the motion process, guarantee like this the position accuracy nature of first pneumatic cylinder and second pneumatic cylinder to it is right to realize the cutting of ground model and first pile body, second pile body and third pile body and the accuracy nature of exerting pressure.
Further: the first hydraulic cylinder is close to one end of the first limiting body is provided with a first limiting part, the first limiting body is provided with a first limiting sliding groove matched with the first limiting part, the first limiting part is connected with the first limiting sliding groove in a clamping mode, the second hydraulic cylinder is close to one end of the second limiting body is provided with a second limiting part, the second limiting body is provided with a second limiting sliding groove matched with the second limiting part, and the second limiting part is connected with the second limiting sliding groove in a clamping mode.
The beneficial effects of the further scheme are as follows: through mutually supporting of first spacing portion and first spacing spout and spacing spout of second and second, can realize respectively first pneumatic cylinder with stable cooperation between the first spacing body, and the second pneumatic cylinder with stable cooperation between the second spacing body, thus it is right when first pneumatic cylinder and second pneumatic cylinder support, realize the accurate regulation alignment of position separately.
Drawings
Fig. 1 is a schematic structural diagram of a model test apparatus for a discrete material pile composite foundation according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a test assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a discrete pile model according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base plate; 2. testing the component; 201. a first connecting body; 202. a first threaded rod; 203. a first support arm; 204. a second threaded rod; 205. a first hydraulic cylinder; 206. a hydraulic hammer; 207. a first position limiting body; 208. a second connector; 209. a sliding guide bar; 210. a second support arm; 211. a cutter; 212. A second hydraulic cylinder; 213. a second position limiting body; 214. a third threaded rod; 3. discrete pile models; 301. A protective housing; 302. cutting the shell; 303. a foundation model; 304. a first pile body; 305. a second pile body; 306. and a third pile body.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, a model test device for a discrete material pile composite foundation includes a bottom plate 1, a testing component 2 with a door-shaped structure is movably disposed on the bottom plate 1, a discrete material pile model 3 is further disposed on the bottom plate 1, the discrete material pile model 3 is located in the testing component 2, and the testing component 2 can move relative to the discrete material pile model 3 to press and cut the discrete material pile model 3 respectively, so as to perform an experiment on the discrete material pile model 3.
According to the model test device for the discrete material pile composite foundation, disclosed by the utility model, through the construction of the discrete material pile model 3, the pressure test can be synchronously carried out on various discrete material pile bodies by matching with the test component 2, and the pile bodies can be tested through different pressures, so that the stress deformation condition of the discrete material pile bodies can be more comprehensively and directly observed, the statistics and the detection can be more conveniently carried out, meanwhile, the stress deformation condition of the discrete material pile bodies in different shapes can be more directly observed, the detection on the discrete material pile model is convenient, and the protection condition of the foundation on the discrete material piles can also be observed.
In one or more embodiments of the present invention, the discrete pile model 3 includes a protective casing 301 with an open upper end and a hollow interior, a cutting casing 302 with an open upper end and a hollow interior is disposed in the protective casing 301, a foundation model 303 is disposed in the cutting casing 302, a first pile 304, a second pile 305, and a third pile 306 are respectively embedded in the foundation model 303, the testing component 2 is relatively movable with respect to the first pile 304, the second pile 305, and the third pile 306, and respectively presses the first pile 304, the second pile 305, and the third pile 306, and cuts the foundation model 303 to test the first pile 304, the second pile 305, and the third pile 306. The cutting shell 302 can be effectively protected by the protective shell 301, and a foundation model 303 and a first pile body 304, a second pile body 305 and a third pile body 306 are arranged in the cutting shell 302, so that the first pile body 304, the second pile body 305 and the third pile body 306 can be pressed and a cutting experiment of the foundation model 303 can be completed by matching the testing component 2.
Here, the protective casing 301 is sleeved on the outer wall of the cutting casing 302; three cutting grooves are formed in four sides of the cutting shell 302 at equal intervals, so that the cutter 211 can conveniently cut the foundation model 303; the foundation model 303 is proportionally reduced by adopting the material of the actual foundation, and the material used by the foundation model 303 is tamped to ensure that the density of the material is the same as that of the actual foundation; a group of first piles 304 are arranged into three hexagonal prism-shaped piles at equal intervals, a group of second piles 305 are arranged into three quadrangular prism-shaped piles at equal intervals, and a group of third piles 306 are arranged into three cylindrical piles at equal intervals; nine piles are pressurized in sequence by hydraulic hammers 206, and three piles of each set are pressurized in sequence with different pressures.
In one or more embodiments of the present invention, the testing assembly 2 includes a first connecting body 201, a second connecting body 208, a first arm 203, a second arm 210 and a movable testing mechanism, the first connecting body 201 and the second connecting body 208 are parallel to each other and spaced apart from each other on the base plate 1, the first arm 203 and the second arm 210 are respectively and movably disposed on the first connecting body 201 and the second connecting body 208, the movable testing mechanism is disposed between the first connecting body 201 and the second connecting body 208, and two ends of the movable testing mechanism are respectively and correspondingly connected to upper ends of the first connecting body 201 and the second connecting body 208, the first arm 203 and the second arm 210 can respectively and simultaneously move along the first connecting body 201 and the second connecting body 208 to drive the movable testing mechanism to move relative to the first pile body 304, the second pile body 208 on the discrete pile model 3, The second stub 305 and the third stub 306 move. By movably arranging the first arm 203 and the second arm 210 on the first connecting body 201 and the second connecting body 208, respectively, the positions of the test assembly 2 relative to the foundation model 303 and the first pile body 304, the second pile body 305 and the third pile body 306 can be adjusted by moving the first arm 203 and the second arm 210 relative to the first connecting body 201 and the second connecting body 208, respectively, so as to complete the cutting experiment on the foundation model and the pressing experiment on the first pile body 304, the second pile body 305 and the third pile body 306.
In one or more embodiments of the present invention, a first threaded rod 202 capable of rotating is disposed in the first connecting body 201 along the length direction thereof, a lower end of the first support arm 203 is sleeved on the first threaded rod 202, a sliding guide rod 209 is disposed in the second connecting body 208 along the length direction thereof, a lower end of the second support arm 210 is sleeved on the sliding guide rod 209, and rotating the first threaded rod 202 can drive the first connecting body 201 and the first support arm 203 to move along the first threaded rod 202, and synchronously drive the second connecting body 208 and the second support arm 210 to move along the sliding guide rod 209, thereby synchronously driving the activity test mechanism to move relative to the first pile body 304, the second pile body 305, and the third pile body 306 on the discrete pile model 3. By arranging the first threaded rod 202, the first support arm 203 can be driven to move on the first threaded rod 202 by rotating the first threaded rod 202, so that the second support arm 210 is driven to slide relative to the sliding guide rod 209 by the movable test mechanism, and the test positions of different piles are switched.
Optionally, in one or more embodiments of the present invention, an end of the first threaded rod 202 extends out of the first connecting body 201, and a rocking handle (not shown in the figure) is installed at an end of the first threaded rod 202 extending out of the first connecting body 201. By arranging the rocking handle, the first threaded rod 202 can be conveniently driven to rotate so as to drive the first connecting body 201 to move on the first threaded rod 202.
In one or more embodiments of the utility model, the movement test mechanism includes a second threaded rod 204 and a third threaded rod 214, the second threaded rod 204 and the third threaded rod 214 are arranged in parallel and at intervals between the upper ends of the first arm 203 and the second arm 210, a first hydraulic cylinder 205 is sleeved on the second threaded rod 204, and the first hydraulic cylinder 205 can be driven to move along the second threaded rod 204 by rotating the second threaded rod 204, a hydraulic hammer 206 is connected to the bottom end of the first hydraulic cylinder 205 in a sliding manner, and the first hydraulic cylinder 205 can drive the hydraulic hammer 206 to move downwards and press the plurality of pile bodies on the discrete pile model 3; the cover is equipped with second hydraulic cylinder 212 on the third threaded rod 214, and rotates third threaded rod 214 can drive second hydraulic cylinder 212 is along third threaded rod 214 removes, the bottom sliding connection of second hydraulic cylinder 212 has cutter 211, just second hydraulic cylinder 212 can drive cutter 211 downstream is right the ground model 303 cuts. Through setting up the second threaded rod 204, can conveniently drive the position of adjusting first pneumatic cylinder 205 to make under the drive effect of first pneumatic cylinder 205, hydraulic hammer 206 downstream, and to a plurality of piles bodies on the scattered body pile model 3 are exerted pressure, through setting up the third threaded rod 214, can conveniently drive the position of adjusting second pneumatic cylinder 212, thereby make under the drive effect of second pneumatic cylinder 212, cutter 211 downstream is right the ground model 303 cuts, accomplishes the experiment smoothly.
Here, one end of each of the second threaded rod 204 and the third threaded rod 214 extends through the upper end of the first arm 203, and a rocking handle (not shown) is fixedly mounted on the extending end, so as to facilitate manual operation.
Optionally, in one or more embodiments of the present invention, a plurality of cutting grooves are equally spaced on four side walls of the cutting housing 302. By forming a plurality of cutting grooves on the side walls of the four sides of the cutting housing 302 at equal intervals, the second hydraulic cylinder 212 can drive the cutting knife 211 to move downward and smoothly align, and the cutting of the foundation model 303 can be realized.
In one or more embodiments of the present invention, the movement testing mechanism further includes a first position-limiting body 207 and a second position-limiting body 213, the first position-limiting body 207 is disposed between the first support arm 203 and the second support arm 210 and is located on a side of the second threaded rod 204 away from the third threaded rod 214, one end of the first hydraulic cylinder 205 close to the first position-limiting body 207 is slidably disposed on the first position-limiting body 207, the second position-limiting body 213 is disposed between the first support arm 203 and the second support arm 210 and is located on a side of the third threaded rod 214 away from the second threaded rod 204, and one end of the second hydraulic cylinder 212 close to the second position-limiting body 213 is slidably disposed on the second position-limiting body 213. By arranging the first limiting body 207 and the second limiting body 213, the first hydraulic cylinder 205 and the second hydraulic cylinder 212 can be supported and limited in the movement process, so that the position accuracy of the first hydraulic cylinder 205 and the second hydraulic cylinder 212 is ensured, and the accuracy of cutting and pressing the foundation model 303, the first pile body 304, the second pile body 305 and the third pile body 306 is realized.
In one or more embodiments of the present invention, a first position-limiting portion is disposed at one end of the first hydraulic cylinder 205 close to the first position-limiting body 207, a first position-limiting sliding groove matched with the first position-limiting portion is disposed on the first position-limiting body 207, the first position-limiting portion is clamped in the first position-limiting sliding groove, a second position-limiting portion is disposed at one end of the second hydraulic cylinder 212 close to the second position-limiting body 213, a second position-limiting sliding groove matched with the second position-limiting portion is disposed on the second position-limiting body 213, and the second position-limiting portion is clamped in the second position-limiting sliding groove. Through mutually supporting of first spacing portion and first spacing spout and second spacing portion and second spacing spout, can realize respectively first pneumatic cylinder 205 with stable cooperation between the first spacing body 207, and second pneumatic cylinder 212 with stable cooperation between the second spacing body 213, thus it is right when first pneumatic cylinder 205 and second pneumatic cylinder 212 support, realize the accurate regulation alignment of position separately.
The working principle is as follows:
please refer to fig. 1 to 3;
the device is assembled as shown in fig. 1; fixedly mounting the assembled discrete pile model 3 in the middle of the upper surface of the bottom plate 1;
carrying out operation one;
first, the first threaded rod 202 is rotated counterclockwise, then the first support arm 203 is driven to move towards the direction close to the rocking handle, the first hydraulic cylinder 205 is made to move to the upper side of the third pile body 306, then the first hydraulic cylinder 205 is started, the second threaded rod 204 is rotated, the first hydraulic cylinder 205 is made to move to the upper side of the three third pile bodies 306 in sequence, the first hydraulic cylinder 205 drives the hydraulic hammer 206 to apply pressure to the three third pile bodies 306 in sequence, and the pressure applied to the three third pile bodies 306 is increased in sequence.
Carrying out operation two;
then, the first threaded rod 202 is rotated along the pointer, and then the first support arm 203 is driven to move in the direction away from the rocking handle, so that the first hydraulic cylinder 205 moves to the upper side of the second pile body 305, then the first hydraulic cylinder 205 is started, the second threaded rod 204 is rotated, so that the first hydraulic cylinder 205 sequentially moves to the upper sides of the three second pile bodies 305, the first hydraulic cylinder 205 drives the hydraulic hammer 206 to sequentially apply pressure to the three second pile bodies 305, and the pressure borne by the three second pile bodies 305 is sequentially increased.
Carrying out operation three;
then, the first threaded rod 202 is rotated along the pointer, and then the first support arm 203 is driven to move in the direction away from the rocking handle, so that the first hydraulic cylinder 205 moves to the upper side of the first pile body 304, then the first hydraulic cylinder 205 is started, the second threaded rod 204 is rotated, so that the first hydraulic cylinder 205 sequentially moves to the upper sides of the three first pile bodies 304, the first hydraulic cylinder 205 drives the hydraulic hammer 206 to sequentially apply pressure to the three first pile bodies 304, and the pressure applied to the three first pile bodies 304 is sequentially increased.
Carrying out operation four;
then detaching the protective shell 301 from the outer wall of the cutting shell 302, finally starting the second hydraulic cylinder 212, driving the cutting knife 211 to move downwards by the second hydraulic cylinder 212, and cutting the foundation model 303 through the cutting groove of the cutting shell 302; and then the situation of the first pile body 304, the second pile body 305 and the third pile body 306 after being stressed is detected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The model test device for the discrete material pile composite foundation is characterized by comprising a bottom plate (1), wherein a testing component (2) with a door-shaped structure is movably arranged on the bottom plate (1), a discrete material pile model (3) is further arranged on the bottom plate (1), the discrete material pile model (3) is located in the testing component (2), and the testing component (2) can move relative to the discrete material pile model (3) so as to respectively apply pressure and cut the discrete material pile model (3) to test the discrete material pile model (3).
2. The model test device for the discrete material pile composite foundation is characterized in that the discrete material pile model (3) comprises a protective shell (301) which is open at the upper end and is hollow inside, a cutting shell (302) which is open at the upper end and is hollow inside is arranged in the protective shell (301), a foundation model (303) is arranged in the cutting shell (302), a first pile body (304), a second pile body (305) and a third pile body (306) are embedded in the foundation model (303), the test component (2) can move relative to the first pile body (304), the second pile body (305) and the third pile body (306) and can be pressed against the first pile body (304), the second pile body (305) and the third pile body (306) respectively, and the foundation model (303) is cut so as to enable the first pile body (304), the second pile body (305) and the third pile body (306) to be pressed against each other and enable the foundation model (303) to be cut, The second pile (305) and the third pile (306) are subjected to an experiment.
3. The model test device for the discrete material pile composite foundation as claimed in claim 2, wherein the test assembly (2) comprises a first connecting body (201), a second connecting body (208), a first arm (203), a second arm (210) and a movable test mechanism, the first connecting body (201) and the second connecting body (208) are arranged on the bottom plate (1) in parallel at intervals, the first arm (203) and the second arm (210) are respectively and movably arranged on the first connecting body (201) and the second connecting body (208) correspondingly, the movable test mechanism is arranged between the first connecting body (201) and the second connecting body (208), two ends of the movable test mechanism are respectively and correspondingly connected with the upper ends of the first connecting body (201) and the second connecting body (208), and the first arm (203) and the second arm (210) can respectively and simultaneously extend along the first connecting body (201) and the second connecting body (208) ) Moving to drive the movable testing mechanism to move relative to the first pile body (304), the second pile body (305) and the third pile body (306) on the discrete pile model (3).
4. The model test device for the discrete material pile composite foundation as claimed in claim 3, wherein a first threaded rod (202) capable of rotating is arranged in the first connecting body (201) along the length direction of the first connecting body, the lower end of the first support arm (203) is sleeved on the first threaded rod (202), a sliding guide rod (209) is arranged in the second connecting body (208) along the length direction of the second connecting body, the lower end of the second support arm (210) is sleeved on the sliding guide rod (209), and the first connecting body (201) and the first support arm (203) can be driven to move along the first threaded rod (202) by rotating the first threaded rod (202), the second connecting body (208) and the second support arm (210) can be driven to move along the sliding guide rod (209) synchronously, and the movable test mechanism can be driven synchronously relative to the first pile body (304) on the discrete material pile model (3), The second pile body (305) and the third pile body (306) move.
5. The model test device for the discrete material pile composite foundation according to claim 4, wherein one end of the first threaded rod (202) extends out of the first connection body (201), and a rocking handle is installed at one end of the first threaded rod (202) extending out of the first connection body (201).
6. The model test device for the discrete material pile composite foundation is characterized in that the movable test mechanism comprises a second threaded rod (204) and a third threaded rod (214), the second threaded rod (204) and the third threaded rod (214) are arranged between the upper ends of the first support arm (203) and the second support arm (210) in parallel at intervals, a first hydraulic cylinder (205) is sleeved on the second threaded rod (204), the first hydraulic cylinder (205) can be driven to move along the second threaded rod (204) by rotating the second threaded rod (204), a hydraulic hammer (206) is connected to the bottom end of the first hydraulic cylinder (205) in a sliding mode, and the first hydraulic cylinder (205) can drive the hydraulic hammer (206) to move downwards and press a plurality of pile bodies on the discrete material pile model (3); the cover is equipped with second hydraulic cylinder (212) on third threaded rod (214), and rotates third threaded rod (214) can drive second hydraulic cylinder (212) are along third threaded rod (214) remove, the bottom sliding connection of second hydraulic cylinder (212) has cutter (211), just second hydraulic cylinder (212) can drive cutter (211) downstream is right ground model (303) cuts.
7. The model test device for the discrete material pile composite foundation is characterized in that a plurality of cutting grooves are formed in the four side walls of the cutting shell (302) at equal intervals.
8. The model test device for discrete material pile composite foundation of claim 6, the method is characterized in that: the movable testing mechanism also comprises a first limiting body (207) and a second limiting body (213), the first limiting body (207) is arranged between the first support arm (203) and the second support arm (210), and is positioned on the side of the second threaded rod (204) far away from the third threaded rod (214), one end of the first hydraulic cylinder (205) close to the first limiting body (207) is arranged on the first limiting body (207) in a sliding manner, the second limiting body (213) is arranged between the first support arm (203) and the second support arm (210), and is positioned on the side of the third threaded rod (214) far away from the second threaded rod (204), one end of the second hydraulic cylinder (212) close to the second limiting body (213) is arranged on the second limiting body (213) in a sliding mode.
9. The model test device for the discrete material pile composite foundation as claimed in claim 8, wherein a first limiting portion is arranged at one end of the first hydraulic cylinder (205) close to the first limiting body (207), a first limiting sliding groove matched with the first limiting portion is arranged on the first limiting body (207), the first limiting portion is clamped in the first limiting sliding groove, a second limiting portion is arranged at one end of the second hydraulic cylinder (212) close to the second limiting body (213), a second limiting sliding groove matched with the second limiting portion is arranged on the second limiting body (213), and the second limiting portion is clamped in the second limiting sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122810400.7U CN216787244U (en) | 2021-11-17 | 2021-11-17 | Model test device for discrete material pile composite foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122810400.7U CN216787244U (en) | 2021-11-17 | 2021-11-17 | Model test device for discrete material pile composite foundation |
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| Publication Number | Publication Date |
|---|---|
| CN216787244U true CN216787244U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122810400.7U Active CN216787244U (en) | 2021-11-17 | 2021-11-17 | Model test device for discrete material pile composite foundation |
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2021
- 2021-11-17 CN CN202122810400.7U patent/CN216787244U/en active Active
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