CN217923563U - Soil pile pressing machine - Google Patents
Soil pile pressing machine Download PDFInfo
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- CN217923563U CN217923563U CN202221748999.4U CN202221748999U CN217923563U CN 217923563 U CN217923563 U CN 217923563U CN 202221748999 U CN202221748999 U CN 202221748999U CN 217923563 U CN217923563 U CN 217923563U
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Abstract
The utility model discloses a stake machine is pressed to soil pile relates to engineering machine tool technical field, and stake machine is pressed to soil pile includes: a main body of the body; the static pressure pile platform assembly is used for clamping and extruding the prefabricated steel pipe pile and is fixedly arranged on the machine body main body; the soil pile pressing assembly is used for downwards extruding the prefabricated soil pile and is fixedly arranged on the static pressure pile platform assembly; and the crane is used for hoisting and transferring the prefabricated steel pipe and the prefabricated soil pile and is fixedly arranged on the machine body main body. The utility model provides an earth pile driver is through the prefabricated steel-pipe pile of earlier downward extrusion in-process that uses, the mode of the prefabricated earth pile of static pressure improves soft basic geology again, promote the bearing capacity and the compressive resistance of soft base, and use static pressure pile platform assembly during the construction, noiselessness, no vibration, pollution-free, the prefabricated steel-pipe pile of earlier downward extrusion, it is laborsaving relatively when the prefabricated earth pile of follow-up static pressure, and accelerated the speed of the prefabricated earth pile of downward extrusion, can handle the low problem of weak soil foundation bearing capacity fast, also accord with the environmental protection construction simultaneously.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, more specifically say, relate to a soil pile press machine.
Background
In the construction process of the highway, the construction amount of a soft soil roadbed (soft foundation for short) is about one third of that of the highway engineering construction, the construction cost of avoiding the soft foundation is high, and if the soft foundation cannot be effectively treated, the construction progress and the road quality are directly influenced, so that the construction cost and the road safety are influenced.
For soft foundations, the conventional method is a replacement method, namely sand soil or gravel is replaced, but the replacement method cannot be adopted when the depth is deeper; the drainage consolidation method, the combined surcharge of the plastic drainage plates, the combined vacuum preloading of the plastic drainage plates and the like, has longer construction period; the dynamic compaction method has uncontrollable quality and is easy to form 'spring soil'; the composite foundation method, cement mixing pile, powder spraying pile, gravel pile, etc. has high cost.
In summary, a problem to be solved by those skilled in the art is how to provide a soil pile driver capable of improving soft foundation geology.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a soil pile pressing machine can improve soft basic geology through the mode of the prefabricated steel-pipe pile of downward extrusion earlier, the prefabricated soil pile of static pressure again, promotes the bearing capacity and the compressive resistance of soft base to noiselessness, free vibration, pollution-free, fast during the construction, the low problem of ability rapid treatment weak soil foundation bearing capacity also accords with the environmental protection construction simultaneously.
In order to achieve the above object, the present invention provides the following technical solutions:
a soil pile press comprising:
a main body of the body;
the static pressure pile platform assembly is used for clamping and extruding the prefabricated steel pipe pile and is fixedly arranged on the machine body main body;
the soil pile pressing assembly is used for downwards extruding the prefabricated soil pile and is fixedly arranged on the static pressure pile platform assembly;
and the crane is used for hoisting and transferring the prefabricated steel pipe and the prefabricated soil pile and is fixedly arranged on the machine body main body.
Optionally, the soil pile assembly comprises:
the guide rail component is fixedly arranged on the hydrostatic pile platform assembly;
the soil pile pressing oil cylinder is arranged on the guide rail assembly and can move relative to the guide rail assembly along the extension direction of the guide rail assembly;
the pile cap assembly is arranged at the telescopic end of the soil pile pressing oil cylinder and driven to lift by the soil pile pressing oil cylinder, the pile cap assembly is used for downwards extruding the prefabricated soil pile, and the outer diameter of the pile cap assembly is smaller than the inner diameter of the prefabricated steel pipe pile.
Optionally, the soil pile pressing assembly further comprises a sliding platform slidably mounted on the guide rail assembly and a translation cylinder for pushing the sliding platform to slide relative to the guide rail assembly, the soil pile pressing cylinder is mounted on the sliding platform, and a telescopic end of the soil pile pressing cylinder penetrates through the sliding platform and extends downwards;
the translation oil cylinder is installed on the guide rail assembly.
Optionally, the stroke of the translation cylinder is greater than a sliding distance, where the sliding distance is a distance from one end of the guide rail component, which is farther from the central axis of the hydrostatic pile platform assembly, to the central axis of the hydrostatic pile platform assembly along the extending direction of the guide rail component.
Optionally, the hydrostatic pile platform assembly comprises:
the mounting beam is provided with a first mounting part fixed on the machine body main body and a cross beam detachably connected with the first mounting part;
the pile clamping box is arranged on the cross beam and used for clamping the prefabricated steel pipe pile;
the pile pressing oil cylinder is arranged on the cross beam, and the telescopic end of the pile pressing oil cylinder is connected with the pile clamping box so as to drive the pile clamping box to lift;
the guide rail assembly is fixedly arranged on the cross beam.
Optionally, the fuselage main part still including set up in the side pile assembly of fuselage main part edge, the side pile assembly be provided with set firmly in the second installation department of fuselage main part, the crossbeam with the connection can be dismantled to the second installation department.
Optionally, the main body of the machine body is provided with a transverse moving mechanism, a longitudinal moving mechanism and a lifting mechanism, the transverse moving mechanism and the longitudinal moving mechanism are located at the lower part of the main body of the machine body, one end of the lifting mechanism is connected with the longitudinal moving mechanism, and the other end of the lifting mechanism is connected with the main body of the machine body;
the transverse moving mechanism and the longitudinal moving mechanism are used for driving the soil pile pressing machine to move; the lifting mechanism is used for driving the machine body to lift.
Optionally, the machine body main body is further provided with a plurality of detachable press-fitting balancing weights.
In the process of using the soil pile pressing machine provided by the utility model, firstly, a crane is required to be controlled to lift the prefabricated steel pipe pile, the prefabricated steel pipe pile is transferred to the static pressure pile platform assembly, and the static pressure pile platform assembly is controlled to clamp and downwards extrude the prefabricated steel pipe pile to a first preset depth; then, controlling a crane to hoist the prefabricated soil pile, transferring the prefabricated soil pile into the prefabricated steel pipe pile, and controlling a soil pile pressing assembly to downwards extrude the prefabricated soil pile to a preset depth; when the length of a single prefabricated soil pile is short, multiple prefabricated soil piles can be pressed in for multiple times until the bottommost part of the prefabricated soil pile reaches a second preset depth, and then the static pressure pile platform assembly is controlled to clamp and pull out the prefabricated steel pipe pile upwards.
Compared with the prior art, the utility model provides an earth pile driver is through the prefabricated steel-pipe pile of earlier downward extrusion at the in-process that uses, soft basic geology is improved to the mode of the prefabricated earth pile of static pressure again, promote the bearing capacity and the compressive resistance of soft base, and use static pressure pile platform assembly during the construction, noiselessness, no vibration, pollution-free, the prefabricated steel-pipe pile of earlier downward extrusion, it is laborsaving relatively during the prefabricated earth pile of follow-up static pressure, and accelerated the speed of the prefabricated earth pile of downward extrusion, can handle the low problem of weak soil foundation bearing capacity fast, also accord with the environmental protection construction simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a concrete embodiment of a soil pile pressing machine provided by the present invention;
fig. 2 is a front view of the soil pile press of fig. 1 shown in fig. 2;
FIG. 3 is a schematic structural view of the soil pile pressing assembly mounted on the static pressure pile stage assembly;
FIG. 4 is a schematic structural view of an earth pile driving assembly;
FIG. 5 is a schematic view showing the process of pressing the prefabricated steel pipe pile into the ground during pile pressing;
FIG. 6 is a schematic view showing the precast soil pile being placed in the precast steel pipe pile during pile pressing;
FIG. 7 is a schematic view showing the prefabricated soil pile being pressed down along the prefabricated steel pipe pile during pile pressing;
fig. 8 is a schematic view of taking out the prefabricated steel pipe pile.
In FIGS. 1-8:
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The core of the utility model is to provide a soil pile driver can be through the prefabricated steel-pipe pile of earlier downward extrusion, and soft basic geology is improved to the mode of the prefabricated soil pile of static pressure again, promotes the bearing capacity and the compressive resistance of soft base to noiselessness, free vibration, pollution-free, fast during the construction, the problem that can the low bearing capacity of rapid processing weak soil foundation, also accord with the environmental protection construction simultaneously.
Please refer to fig. 1-8.
This specific embodiment discloses a soil pile press machine, includes:
a body main body 8;
the static pressure pile platform assembly 11 is used for clamping and extruding the prefabricated steel pipe pile 7 and is fixedly arranged on the machine body main body 8;
the soil pile pressing assembly 2 is used for downwards extruding the prefabricated soil pile 1 and is fixedly arranged on the static pressure pile platform assembly 11;
and the crane 12 is used for hoisting and transferring the prefabricated steel pipe and the prefabricated soil pile 1 and is fixedly arranged on the machine body main body 8.
In the process of using the soil pile pressing machine provided by the embodiment, firstly, the crane 12 needs to be controlled to lift the prefabricated steel pipe pile 7, the prefabricated steel pipe pile 7 is transferred to the static pressure pile platform assembly 11, and the static pressure pile platform assembly 11 is controlled to clamp and downwards press the prefabricated steel pipe pile 7 to a first preset depth; then, controlling a crane 12 to lift the prefabricated soil pile 1, transferring the prefabricated soil pile 1 into a prefabricated steel pipe pile 7, and controlling a soil pile pressing assembly 2 to downwards extrude the prefabricated soil pile 1 to a preset depth; when the length of a single precast soil pile 1 is short, a plurality of precast soil piles 1 can be pressed in for a plurality of times until the bottommost part of the precast soil pile 1 reaches a second preset depth, and then the static pressure pile platform assembly 11 is controlled to clamp and upwards pull out the precast steel pipe pile 7.
Compared with the prior art, the soil pile pressing machine provided by the specific embodiment firstly downwards extrudes the prefabricated steel pipe pile 7 in the using process, then the soft foundation geology is improved in a mode of static-pressure prefabricated soil pile 1, the bearing capacity and the compressive strength of a soft foundation are improved, and the static-pressure pile platform assembly 11 is used in construction, so that the soft foundation is noiseless, vibration-free and pollution-free, the prefabricated steel pipe pile 7 is firstly downwards extruded, the subsequent static-pressure prefabricated soil pile 1 is relatively labor-saving, the speed of downwards extruding the prefabricated soil pile 1 is accelerated, the problem of low bearing capacity of a soft soil foundation can be quickly solved, and meanwhile, the soil pile pressing machine also accords with environment-friendly construction.
In one embodiment, as shown in fig. 4, the soil pile driving assembly 2 includes:
the guide rail assembly 25 is fixedly arranged on the static pressure pile platform assembly 11;
a soil pile-pressing cylinder 21 provided to the guide rail assembly 25 and movable in an extending direction thereof with respect to the guide rail assembly 25;
In the specific using process, firstly, the soil pile pressing oil cylinder 21 is controlled to move to a position deviated from the position corresponding to the center of the static pressure pile platform assembly 11 relative to the guide rail component 25, so that the crane 12 lifts the prefabricated steel pipe pile 7, the prefabricated steel pipe pile 7 is transferred to the static pressure pile platform assembly 11, and the static pressure pile platform assembly 11 is controlled to clamp and downwards press the prefabricated steel pipe pile 7 to a first preset depth; then, the crane 12 is controlled to lift the precast soil pile 1, the precast soil pile 1 is transferred into the precast steel pipe pile 7, the soil pile pressing oil cylinder 21 is controlled to move to a position corresponding to the center of the static pressure pile platform assembly 11 relative to the guide rail assembly 25, and the soil pile pressing oil cylinder 21 is controlled to drive the pile cap assembly 24 to downwards extrude the precast soil pile 1 until the preset soil pile reaches the preset depth.
As shown in fig. 4, the soil pile pressing assembly 2 further includes a sliding platform 22 slidably mounted on the guide rail assembly 25 and a translation cylinder 23 for pushing the sliding platform 22 to slide relative to the guide rail assembly 25, the soil pile pressing cylinder 21 is mounted on the sliding platform 22, and the telescopic end of the soil pile pressing cylinder 21 passes through the sliding platform 22 and extends downward;
the translation cylinder 23 is mounted to a rail assembly 25.
The guide rail assembly 25 can comprise two pairs which are parallel and arranged at intervals, the sliding platform 22 is arranged between the two guide rails, the soil pile pressing oil cylinder 21 is arranged on the sliding platform 22, one end of the translation oil cylinder 23 is fixedly arranged on the guide rail assembly 25, and the other end of the translation oil cylinder is connected with the sliding platform 22 so as to push the sliding platform 22 to move relative to the guide rail assembly 25.
Specifically, the stroke of the translation cylinder 23 can be made larger than the sliding distance, the sliding distance is a distance from one end of the guide rail component 25, which is far away from the central axis of the hydrostatic pile platform assembly 11, to the central axis of the hydrostatic pile platform assembly 11 along the extending direction of the guide rail component 25, so that the soil pile pressing cylinder 21 can smoothly move to a position deviated from the position corresponding to the central axis of the hydrostatic pile platform assembly 11, and the prefabricated steel pipe pile 7 can be smoothly installed on the hydrostatic pile platform assembly 11.
In this embodiment, soil pile pressing assembly 2's simple structure can directly extrude prefabricated soil pile 1 downwards, and the use is convenient, easy operation.
In one embodiment, as shown in fig. 3, the hydrostatic pile shoe assembly 11 includes:
a mounting beam provided with a first mounting portion fixed to the body 8 and a cross beam 101 detachably connected to the first mounting portion;
the pile clamping box 102 is arranged on the cross beam 101 and used for clamping the prefabricated steel pipe pile 7;
the pile pressing oil cylinder 103 is arranged on the cross beam 101, and the telescopic end of the pile pressing oil cylinder 103 is connected with the pile clamping box 102 so as to drive the pile clamping box 102 to lift;
the guide rail assembly 25 is fixedly arranged on the cross beam 101.
In a specific use process, the first mounting part is fixedly arranged on the machine body main body 8, the cross beam 101, the pile clamping box 102 and the pile pressing oil cylinder 103 can be set to be of a module structure, and the first mounting part is generally arranged at the center of the machine body main body 8; a module structure formed by combining the cross beam 101, the pile clamping box 102 and the pile pressing oil cylinder 103 is installed on a first installation part, the prefabricated steel pipe pile 7 is lifted by controlling the crane 12, the prefabricated steel pipe pile 7 is transferred to the pile clamping box 102, and the pile pressing oil cylinder 103 is controlled to drive the pile clamping box 102 to move downwards so as to clamp and press the prefabricated steel pipe pile 7 downwards to a first preset depth; then, controlling a crane 12 to lift the prefabricated soil pile 1, transferring the prefabricated soil pile 1 into a prefabricated steel pipe pile 7, controlling a soil pile pressing oil cylinder 21 of a soil pile pressing assembly 2 to extend downwards, and extruding the prefabricated soil pile 1 to a preset depth by a pile cap assembly 24; when the length of a single precast soil pile 1 is short, multiple precast soil piles 1 can be pressed in for multiple times until the bottommost part of the precast soil pile 1 reaches a second preset depth, and then the static pressure pile platform assembly 11 is controlled to clamp and pull out the precast steel pipe pile 7 upwards.
As shown in fig. 1, the fuselage main body 8 further includes a side pile assembly 4 disposed at an edge of the fuselage main body 8, the side pile assembly 4 is provided with a second mounting portion 41 fixedly disposed on the fuselage main body 8, and the cross beam 101 is detachably connected to the second mounting portion 41.
In use, when there is interference in the piling position, the side pile assembly 4 may be used to mount the modular structure of the cross beam 101, the pile clamping box 102 and the pile pressing cylinder 103 to the second mounting portion 41, and mount the soil pile pressing assembly 2 on the cross beam 101.
In a specific embodiment, the main body 8 is provided with a transverse moving mechanism 5, a longitudinal moving mechanism 6 and a lifting mechanism 9, the transverse moving mechanism 5 and the longitudinal moving mechanism 6 are positioned at the lower part of the main body 8, one end of the lifting mechanism 9 is connected with the longitudinal moving mechanism 6, and the other end is connected with the main body 8;
the transverse moving mechanism 5 and the longitudinal moving mechanism 6 are used for driving the soil pile pressing machine to move; the lifting mechanism 9 is used for driving the machine body 8 to lift.
In the specific using process, the transverse moving mechanism 5 and the longitudinal moving mechanism 6 mainly drive the machine body main body 8 to move on the surface of the foundation 13, and the lifting mechanism 9 drives the machine body main body 8 to lift so as to adjust the height of the machine body main body 8.
As shown in fig. 1, the main body 8 of the machine body is provided with a main driver cab 3, and an operator is located in the main driver cab 3 to operate the soil pile pressing machine, including controlling the soil pile pressing machine to walk and lift, and controlling the crane 12, the soil pile pressing assembly 2, and the static pressure pile platform assembly 11 to move.
The main body 8 of the machine body can be also provided with a pile pressing balancing weight 10, and the weight of the balancing weight can be selected and installed according to different use requirements.
The pile pressing method for pressing and mounting the soil pile pressing machine comprises the following steps:
step S1, controlling a crane 12 to lift the prefabricated steel pipe pile 7, and transferring the prefabricated steel pipe pile 7 to a static pressure pile platform assembly 11;
s2, controlling the static pressure pile platform assembly 11 to clamp and downwards extrude the prefabricated steel pipe pile 7 to a first preset depth;
s3, controlling the crane 12 to lift the precast soil pile 1, and transferring the precast soil pile 1 into the precast steel pipe pile 7;
s4, controlling the soil pile pressing assembly 2 to downwards extrude the prefabricated soil pile 1 to a second preset depth;
and S5, controlling the static pressure pile platform assembly 11 to clamp and upwards pull out the prefabricated steel pipe pile 7.
Step S4 may be made to include:
s41, controlling the soil pile pressing assembly 2 to extrude the prefabricated soil pile 1 downwards;
step S42, judging whether the bottommost part of the prefabricated soil pile 1 is lowered to a second preset depth or not, and if so, controlling the soil pile pressing assembly 2 to stop downwards extruding the prefabricated soil pile 1; if not, the step S43 is executed;
step S43, judging whether the soil pile pressing assembly 2 is extruded downwards to a preset stroke or not, and if not, controlling the soil pile pressing assembly 2 to continuously extrude the prefabricated soil pile 1 downwards; if yes, go to step S44;
s44, controlling the soil pile pressing assembly 2 to reset;
step S45, controlling the crane 12 to lift the precast soil pile 1, and transferring the precast soil pile 1 into the precast steel pipe pile 7; and returns to step S41.
The references to "first" and "second" in the first and second mounting portions 41 are merely for distinguishing the difference in position and are not to be construed as a sequential order.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a soil pile driver has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A soil pile driver, its characterized in that includes:
a body main body (8);
the static pressure pile platform assembly (11) is used for clamping and extruding the prefabricated steel pipe pile (7) and is fixedly arranged on the machine body main body (8);
the soil pile pressing assembly (2) is used for downwards extruding the prefabricated soil pile (1) and is fixedly arranged on the static pressure pile platform assembly (11);
and the crane (12) is used for hoisting and transferring the prefabricated steel pipe and the prefabricated soil pile (1) and is fixedly arranged on the machine body main body (8).
2. An earth pile driver according to claim 1, characterized in that the earth pile driver assembly (2) comprises:
the guide rail assembly (25) is fixedly arranged on the static pressure pile platform assembly (11);
a soil pile-pressing cylinder (21) which is provided to the guide rail assembly (25) and is movable relative to the guide rail assembly (25) in the extending direction thereof;
pile cap subassembly (24), set up in the flexible end of soil pile pressure pile hydro-cylinder (21), and by soil pile pressure pile hydro-cylinder (21) drives and goes up and down, pile cap subassembly (24) are used for down-pressing prefabricated soil pile (1), the external diameter of pile cap subassembly (24) is less than the internal diameter of prefabricated steel pipe pile (7).
3. The soil pile driver according to claim 2, wherein the soil pile driver assembly (2) further comprises a sliding platform (22) slidably mounted on the guide rail assembly (25) and a translation cylinder (23) for pushing the sliding platform (22) to slide relative to the guide rail assembly (25), the soil pile driver cylinder (21) is mounted on the sliding platform (22), and the telescopic end of the soil pile driver cylinder (21) is arranged to extend downwards through the sliding platform (22);
the translation oil cylinder (23) is installed on the guide rail assembly (25).
4. An earth pile driver as claimed in claim 3, characterized in that the stroke of the translation cylinder (23) is greater than a sliding distance, the sliding distance being along the extending direction of the guide rail assembly (25), and the end of the guide rail assembly (25) farther from the central axis of the hydrostatic head assembly (11) is at a distance from the central axis of the hydrostatic head assembly (11).
5. An earth pile press as claimed in claim 2, characterised in that the hydrostatic pile shoe assembly (11) comprises:
the mounting beam is provided with a first mounting part fixed on the machine body main body (8) and a cross beam (101) detachably connected with the first mounting part;
the pile clamping box (102) is arranged on the cross beam (101) and is used for clamping the prefabricated steel pipe pile (7);
the pile pressing oil cylinder (103) is arranged on the cross beam (101), and the telescopic end of the pile pressing oil cylinder (103) is connected with the pile clamping box (102) so as to drive the pile clamping box (102) to lift;
the guide rail assembly (25) is fixedly arranged on the cross beam (101).
6. The soil pile driver according to claim 5, wherein said main body (8) further comprises a side pile assembly (4) disposed at the edge of said main body (8), said side pile assembly (4) is provided with a second mounting portion (41) fixedly disposed on said main body (8), said beam (101) is detachably connected to said second mounting portion (41).
7. An earth pile press as claimed in any one of claims 1 to 6, characterised in that the main body (8) of the machine body is provided with a traversing mechanism (5), a longitudinally moving mechanism (6) and a lifting mechanism (9), the traversing mechanism (5) and the longitudinally moving mechanism (6) are located at the lower part of the main body (8) of the machine body, one end of the lifting mechanism (9) is connected with the longitudinally moving mechanism (6), and the other end is connected with the main body (8) of the machine body;
the transverse moving mechanism (5) and the longitudinal moving mechanism (6) are used for driving the soil pile pressing machine to move; the lifting mechanism (9) is used for driving the machine body main body (8) to lift.
8. An earth pile press as claimed in any one of claims 1-6, characterised in that the fuselage body (8) is also provided with a number of detachable press-fitted clump weights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748999.4U CN217923563U (en) | 2022-07-07 | 2022-07-07 | Soil pile pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748999.4U CN217923563U (en) | 2022-07-07 | 2022-07-07 | Soil pile pressing machine |
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| Publication Number | Publication Date |
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| CN217923563U true CN217923563U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221748999.4U Active CN217923563U (en) | 2022-07-07 | 2022-07-07 | Soil pile pressing machine |
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| CN (1) | CN217923563U (en) |
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2022
- 2022-07-07 CN CN202221748999.4U patent/CN217923563U/en active Active
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