CN118007642A - Foundation pit sheet pile wall removing device - Google Patents
Foundation pit sheet pile wall removing device Download PDFInfo
- Publication number
- CN118007642A CN118007642A CN202410419404.8A CN202410419404A CN118007642A CN 118007642 A CN118007642 A CN 118007642A CN 202410419404 A CN202410419404 A CN 202410419404A CN 118007642 A CN118007642 A CN 118007642A
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- sheet pile
- pile wall
- lifting
- supporting
- shell
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- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 239000002689 soil Substances 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a foundation pit sheet pile wall removing device which comprises a bottom plate, a lifting mechanism, a hoisting mechanism and a supporting mechanism, wherein the lifting mechanism is arranged on the bottom plate and used for lifting the sheet pile wall; when the sheet pile wall is dismantled, the upper end of the sheet pile wall is hoisted through the hoisting mechanism, the sheet pile wall is lifted from soil through the hoisting mechanism, and after the sheet pile wall is dismantled, the sheet pile wall is lifted by the hoisting mechanism and put on the supporting mechanism.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a foundation pit sheet pile wall removing device.
Background
Sheet pile walls are continuous sheet piles designed to prevent collapse of the soil body, sometimes being those which bear the earth pressure behind the back of the wall by the tension of the anchor rods and the passive pressure of the lower part of the sheet piles. Sheet pile walls are a retaining structure formed of upstanding slat-like members, typically intended to resist lateral earth pressure. The stability of this structure is usually dependent on the soil pressure of the soil on one side of the wall, and indeed on the sheet pile wall-soil interaction.
After the foundation pit construction is completed, the sheet pile walls are required to be dismantled one by one. When the existing sheet pile wall is removed, the existing sheet pile wall is lifted by the crane, the efficiency is low, the sheet pile wall can shake after being lifted, and the risk is high.
Disclosure of Invention
The invention aims to solve the problems and provide a foundation pit sheet pile wall removing device which improves the removing efficiency of the sheet pile wall, prevents the sheet pile wall from shaking and has good safety.
The technical scheme adopted for solving the technical problems is as follows:
the foundation pit sheet pile wall removing device comprises a bottom plate, a lifting mechanism, a hoisting mechanism and a supporting mechanism, wherein the lifting mechanism is arranged on the bottom plate and used for lifting the sheet pile wall;
The lifting mechanism comprises a shell arranged on the bottom plate, a clamping mechanism which is arranged in the shell in parallel up and down and is lifted in the shell, and a rotating frame which is arranged at the upper end of the shell in a rotating way and is used for supporting the sheet pile wall, wherein the clamping mechanism comprises lifting blocks which are arranged in the shell and are lifted synchronously in the same direction or in opposite directions in the shell, clamping blocks which are symmetrically arranged on the lifting blocks and rotate on the lifting blocks, and supporting blocks which are arranged at the upper ends of the lifting blocks and are matched with the lower surfaces of the clamping blocks, a first compression spring is arranged between one end of the outer side of the clamping block and the lifting blocks, a through hole for the sheet pile wall to pass through is formed in the lifting blocks, a hydraulic cylinder for driving the lifting blocks at the lower end to lift is arranged on the bottom plate, a rotating rod which is connected with the inner wall of the shell in a rotating way is arranged at the middle position between the two lifting blocks, and the two ends of the rotating rod are respectively connected with the corresponding lifting blocks through connecting rods;
The hoisting mechanism comprises a door-shaped frame arranged on the bottom plate and a winch arranged at the upper end of the door-shaped frame.
Further, a hammering mechanism for hammering the sheet pile wall is arranged on the side surface of the shell.
Further, the hammering mechanism is including setting up sleeve on the casing side, setting is in the sleeve and in the gliding hammering pole of sleeve, be equipped with the baffle on the hammering pole on being located the part of sleeve, be equipped with second compression spring on the hammering pole, second compression spring outside one end and sleeve inner wall contact, the inboard one end of second compression spring and baffle contact, be equipped with the diaphragm on the casing side, the sleeve is installed on the diaphragm, the inboard one end of hammering pole is equipped with the gyro wheel with lifter complex.
Further, supporting wheels matched with the sheet pile walls are symmetrically arranged in the rotating frame, and a locking mechanism for preventing the left supporting wheel from rotating clockwise is arranged on the shell.
Further, the locking mechanism comprises a ratchet wheel arranged on the rotating shaft of the left-end supporting wheel, a pawl matched with the ratchet wheel is arranged on the shell, and the right end of the pawl is rotationally connected with the shell.
Further, a guide rod is arranged on the inner wall of the shell, and guide sleeves matched with the guide rod are arranged on two sides of the lifting block.
Further, one end of the inner side of the clamping block is provided with a vertical plane, and a rubber layer is arranged on the vertical plane.
Further, the upper end of the supporting block is a slope inclined downwards from inside to outside.
Further, the supporting mechanism comprises a supporting frame and supporting rollers uniformly arranged on the supporting frame.
The beneficial effects of the invention are as follows:
1. The invention comprises a bottom plate, a lifting mechanism arranged on the bottom plate and used for lifting the sheet pile wall, and a supporting mechanism arranged behind the lifting mechanism and used for supporting the removed sheet pile wall; when the sheet pile wall is dismantled, the upper end of the sheet pile wall is hoisted through the hoisting mechanism, the sheet pile wall is lifted from soil through the hoisting mechanism, and after the sheet pile wall is dismantled, the sheet pile wall is lifted by the hoisting mechanism and put on the supporting mechanism.
2. The lifting mechanism comprises a shell arranged on the bottom plate, a clamping mechanism which is arranged in the shell in parallel up and down and is lifted in the shell, and a rotating frame which is rotatably arranged at the upper end of the shell and is used for supporting a sheet pile wall, wherein the clamping mechanism comprises lifting blocks which are arranged in the shell and are synchronously lifted in the same direction or in opposite directions, clamping blocks which are symmetrically arranged on the lifting blocks and rotate on the lifting blocks, and supporting blocks which are arranged at the upper ends of the lifting blocks and are matched with the lower surface of the clamping blocks, a first compression spring is arranged between one end of the outer side of the clamping blocks and the lifting blocks, through holes for the sheet pile wall to pass through are formed in the lifting blocks, a hydraulic cylinder for driving the lifting blocks at the lower end to lift is arranged on the bottom plate, a rotating rod which is rotatably connected with the inner wall of the shell is arranged at the middle position between the two lifting blocks, and two ends of the rotating rod are respectively connected with the corresponding lifting blocks through connecting rods; when the sheet pile wall is dismantled, the sheet pile wall passes through the through holes on the two lifting blocks, the lifting blocks at the lower end are driven by the expansion and contraction of the piston rod of the hydraulic cylinder to lift, and under the action of the rotating rod and the connecting rod, the two lifting blocks synchronously move in the same direction or in opposite directions. When the lifting block ascends, one end of the inner side of the clamping block contacts with the sheet pile wall to clamp the sheet pile wall under the action of the first compression spring, and when the lifting block ascends, the sheet pile wall is lifted; when the lifting block descends, one end of the inner side of the clamping block cannot be locked with the sheet pile wall, and only the lifting block descends. The efficiency of dismantling the sheet pile wall is improved through the staggered lifting of the two lifting blocks.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a lifting mechanism according to the present invention;
FIG. 3 is a left side view of the lift mechanism of the present invention;
FIG. 4 is a schematic view of a clamping mechanism according to the present invention;
FIG. 5 is a left side view of the clamping mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the housing of the present invention;
fig. 7 is a cross-sectional view of the hammer mechanism of the present invention.
In the figure: the device comprises a bottom plate 1, a shell 2, a rotating frame 3, a lifting block 4, a clamping block 5, a supporting block 6, a first compression spring 7, a through hole 8, a hydraulic cylinder 9, a rotating rod 10, a connecting rod 11, a portal frame 12, a winch 13, a sleeve 14, a baffle 15, a second compression spring 16, a transverse plate 17, a roller 18, a supporting wheel 19, a ratchet 20, a pawl 21, a guide rod 22, a guide sleeve 23, a rubber layer 24, a supporting frame 25, a supporting roller 26 and a hammering rod 27.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1, the foundation pit sheet pile wall removing device comprises a bottom plate 1, a lifting mechanism arranged on the bottom plate 1 and used for lifting the sheet pile wall, a hoisting mechanism arranged on the bottom plate 1 and used for hoisting the sheet pile wall, and a supporting mechanism arranged behind the lifting mechanism and used for supporting the sheet pile wall after being removed; when the sheet pile wall is dismantled, the upper end of the sheet pile wall is hoisted through the hoisting mechanism, the sheet pile wall is lifted from soil through the hoisting mechanism, and after the sheet pile wall is dismantled, the sheet pile wall is lifted by the hoisting mechanism and put on the supporting mechanism.
As shown in fig. 2 to 5, the lifting mechanism comprises a shell 2 arranged on the bottom plate 1, a clamping mechanism arranged in the shell 2 in parallel up and down and lifting in the shell 2, and a rotating frame 3 rotatably arranged at the upper end of the shell 2 and used for supporting a sheet pile wall, the clamping mechanism comprises lifting blocks 4 arranged in the shell 2 and synchronously lifting in the same direction or opposite directions in the shell 2, clamping blocks 5 symmetrically arranged on the lifting blocks 4 and rotating on the lifting blocks 4, supporting blocks 6 arranged at the upper ends of the lifting blocks 4 and matched with the lower surface of the clamping blocks 5, the clamping blocks 5 incline downwards from inside to outside, a first compression spring 7 is arranged between one end of the outer side of the clamping blocks 5 and the lifting blocks 4, through holes 8 used for passing through the sheet pile wall are formed in the lifting blocks 4, the shape of the through holes 8 corresponds to the shape of the sheet pile wall, hydraulic cylinders 9 arranged on the bottom plate 1 and symmetrically arranged on the left and right sides, the cylinder ends of the hydraulic cylinders 9 are fixed on the bottom plate 1, the piston ends of the hydraulic cylinders 9 are connected with the lifting blocks 4, the inner walls of the shell 2 are provided with rotating rods 10 which are correspondingly connected with the two rotating rods 10 arranged on the corresponding inner walls 10 of the lifting blocks 4, and the corresponding to the lifting blocks 10 on the inner walls of the shell 2, and the rotating ends 10 are correspondingly connected with the rotating ends 10; when the sheet pile wall is dismantled, the sheet pile wall passes through the through holes 8 on the two lifting blocks 4, the lifting blocks 4 at the lower end are driven by the extension and contraction of the piston rod of the hydraulic cylinder 9 to lift, and under the action of the rotating rod 10 and the connecting rod 11, the two lifting blocks 4 synchronously move in the same direction or in opposite directions. When the lifting block 4 ascends, one end of the inner side of the clamping block 5 contacts with the sheet pile wall to clamp the sheet pile wall under the action of the first compression spring 7, and when the lifting block 4 ascends, the sheet pile wall is lifted; when the lifting block 4 descends, one end of the inner side of the clamping block 5 cannot be locked with the sheet pile wall, and only the lifting block 4 descends. The efficiency of dismantling the sheet pile wall is improved through the staggered lifting of the two lifting blocks 4.
Through setting up first compression spring for the inboard one end of clamp splice 5 can reliably clip the sheet pile wall, promotes good reliability.
Through setting up supporting shoe 6, when lifting block 4 risees, the inboard one end of clamp splice 5 locks through frictional force with sheet pile wall, and supporting shoe 6 plays auxiliary stay's effect, improves the bearing capacity of clamp splice 5.
Through setting up bull stick 10 and setting up the connecting rod at bull stick 10 both ends, realize that both sides lifter 4 is synchronous to the syntropy or reverse lift, need not to set up the pneumatic cylinder drive with lifter 4 one-to-one, with low costs, and mechanical linkage reliability is good.
As shown in fig. 1, the hoisting mechanism comprises a portal frame 12 arranged on the bottom plate 1, and a winch 13 arranged at the upper end of the portal frame 12, wherein the winch is connected with the upper end of the sheet pile wall through a steel wire rope, and when the hoisting mechanism lifts the sheet pile wall, the winch 13 synchronously lifts the sheet pile wall upwards to realize the lifting of the sheet pile wall.
As shown in fig. 2 and 7, the housing 2 is provided with a hammering mechanism on the side for hammering the sheet pile wall.
The hammering mechanism comprises a sleeve 14 arranged on the side surface of the shell 2, and a hammering rod 27 arranged in the sleeve 14 and sliding in the sleeve, wherein a baffle 15 is arranged on the part, located in the sleeve 14, of the hammering rod 27, a second compression spring 16 is arranged on the hammering rod 27, one end outside the second compression spring 16 is in contact with the inner wall of the sleeve 14, one end inside the second compression spring 16 is in contact with the baffle 15, a transverse plate 17 is arranged on the side surface of the shell 2, the sleeve 14 is arranged on the transverse plate 17, and a roller 18 matched with the lifting block 4 is arranged at one end inside the hammering rod 27. When the lifting block 4 moves to the position corresponding to the hammering rod 27, the roller 18 is matched with the lifting block 4, the hammering rod 27 is extruded outwards against the elastic force of the second compression spring 16, and when the lifting block 4 is staggered with the hammering rod 27, the hammering rod 27 hammers the sheet pile wall under the elastic force of the second compression spring 16, so that the soil stained on the sheet pile wall is vibrated down. By providing the roller, the lock between the hammering lever 27 and the lifting block 4 is prevented.
As shown in fig. 2, supporting wheels 19 matched with the sheet pile wall are symmetrically arranged in the rotating frame 3, the two supporting wheels 19 are respectively contacted with two side surfaces of the sheet pile wall, a rotating shaft of the rotating frame 3 is rotatably connected with the shell 2 through a bearing, and a locking mechanism for preventing the left supporting wheel 19 from rotating clockwise is arranged on the shell 2. The sheet pile walls are limited by the two supporting wheels 19, and the supporting wheels 19 are locked by the locking mechanism, so that the supporting wheels 19 are prevented from falling. When the sheet pile wall is pulled out from the lifting block at the upper end, the sheet pile wall rotates, the rotating frame 3 rotates along with the sheet pile wall, and plays a role in supporting the sheet pile wall in the process, and the sheet pile wall rotates to a horizontal position and is supported on the supporting mechanism, and the sheet pile wall is supported by the supporting wheels.
As shown in fig. 6, the locking mechanism includes a ratchet 20 disposed on the rotation shaft of the left supporting wheel 19, the housing 2 is provided with a pawl 21 with the left end matching with the ratchet 20, and the right end of the pawl 21 is rotationally connected with the housing 2. Through the cooperation of ratchet pawl, realize clockwise lock of left end supporting wheel and die, when promoting sheet pile wall, can play the effect of supporting sheet pile wall, prevent that the sheet pile wall from dropping. And when the sheet pile wall is laid flat, the rotating frame 3 rotates, and the supporting wheels 19 lock the sheet pile wall to prevent the sheet pile wall from sliding downwards.
As shown in fig. 5 and 6, a guide rod 22 is disposed on the inner wall of the housing 2, and guide sleeves 23 matched with the guide rod 22 are disposed on two sides of the lifting block 4.
As shown in fig. 5, a vertical plane is arranged at one end of the inner side of the clamping block 5, and a rubber layer 24 is arranged on the vertical plane, so that friction force between the clamping block and the sheet pile wall is increased by arranging the vertical plane and the rubber layer.
As shown in fig. 5, the upper end of the supporting block 6 is a slope inclined downward from inside to outside.
As shown in fig. 1, the supporting mechanism comprises a supporting frame 25 and supporting rollers 26 uniformly arranged on the supporting frame 25, and after the sheet pile wall is removed, the steel wire rope of the winch 13 is released to level the sheet pile wall, and the sheet pile wall is supported on the supporting rollers.
The portal frame 12 is located on the right side of the lifting mechanism, and when the hoist wire rope is released, the upper end of the sheet pile wall swings rightward, and the sheet pile wall can be laid on the supporting roller.
In describing the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "left", "right", "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected mechanically or electrically, can be connected directly or indirectly through an intermediate medium, and can be communicated inside the two components. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The foundation pit sheet pile wall removing device is characterized by comprising a bottom plate (1), a lifting mechanism arranged on the bottom plate (1) and used for lifting the sheet pile wall, a hoisting mechanism arranged on the bottom plate (1) and used for hoisting the sheet pile wall, and a supporting mechanism arranged behind the lifting mechanism and used for supporting the removed sheet pile wall; the lifting mechanism comprises a shell (2) arranged on a bottom plate (1), a clamping mechanism which is arranged in the shell (2) in parallel up and down and is lifted in the shell (2), and a rotating frame (3) which is arranged at the upper end of the shell (2) in a rotating way and is used for supporting a sheet pile wall, wherein the clamping mechanism comprises lifting blocks (4) which are arranged in the shell (2) and are lifted synchronously in the same direction or in opposite directions, clamping blocks (5) which are symmetrically arranged on the lifting blocks (4) and rotate on the lifting blocks (4), supporting blocks (6) which are arranged at the upper ends of the lifting blocks (4) and are matched with the lower surface of the clamping blocks (5), a first compression spring (7) is arranged between one end of the outer side of the clamping blocks (5) and the lifting blocks (4), through holes (8) which are used for enabling the sheet pile wall to pass are arranged on the lifting blocks (4), hydraulic cylinders (9) which are used for driving the lifting blocks (4) at the lower ends to lift are arranged on the bottom plate (1), two lifting blocks (4) are arranged on the inner walls of the shell (2), and two lifting blocks (10) which are arranged between the inner walls of the two lifting blocks (4) and are positioned in the middle position, and are in rotation mode, and are correspondingly connected with two ends of the lifting blocks (10) of the rotating rod (4) respectively; the hoisting mechanism comprises a door-shaped frame (12) arranged on the bottom plate (1) and a winch (13) arranged at the upper end of the door-shaped frame (12).
2. A foundation pit sheet pile wall removing device according to claim 1, characterized in that the housing (2) is provided on the side with a hammer mechanism for hammering the sheet pile wall.
3. A foundation pit sheet pile wall removing device according to claim 2, characterized in that the hammering mechanism comprises a sleeve (14) arranged on the side of the casing (2), a hammering rod (27) arranged in the sleeve (14) and sliding in the sleeve, a baffle (15) is arranged on the part of the hammering rod (27) positioned in the sleeve (14), a second compression spring (16) is arranged on the hammering rod (27), one end outside the second compression spring (16) is in contact with the inner wall of the sleeve (14), one end inside the second compression spring (16) is in contact with the baffle (15), a transverse plate (17) is arranged on the side of the casing (2), the sleeve (14) is arranged on the transverse plate (17), and a roller (18) matched with the lifting block (4) is arranged on one end inside the hammering rod (27).
4. Foundation pit sheet pile wall removing device according to claim 1, characterized in that supporting wheels (19) which are matched with the sheet pile wall are symmetrically arranged in the rotating frame (3), and a locking mechanism for preventing the left end supporting wheel (19) from rotating clockwise is arranged on the shell (2).
5. A foundation pit sheet pile wall removing device according to claim 4, wherein the locking mechanism comprises a ratchet wheel (20) arranged on the rotating shaft of a left end supporting wheel (19), a pawl (21) with the left end matched with the ratchet wheel (20) is arranged on the shell (2), and the right end of the pawl (21) is rotatably connected with the shell (2).
6. A foundation pit sheet pile wall removing device according to claim 1, wherein guide rods (22) are arranged on the inner wall of the shell (2), and guide sleeves (23) matched with the guide rods (22) are arranged on two sides of the lifting block (4).
7. A foundation pit sheet pile wall removing device according to claim 1, characterized in that the inner end of the clamping block (5) is provided with a vertical plane, on which a rubber layer (24) is provided.
8. A foundation pit sheet pile wall removing device according to claim 1, wherein the upper end of the supporting block (6) is a slope inclined downward from inside to outside.
9. A foundation pit sheet pile wall removing device according to claim 1, characterized in that the supporting means comprises a supporting frame (25) and supporting rollers (26) uniformly arranged on the supporting frame (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410419404.8A CN118007642B (en) | 2024-04-09 | Foundation pit sheet pile wall removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410419404.8A CN118007642B (en) | 2024-04-09 | Foundation pit sheet pile wall removing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118007642A true CN118007642A (en) | 2024-05-10 |
| CN118007642B CN118007642B (en) | 2024-06-04 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002294692A (en) * | 2001-03-28 | 2002-10-09 | Nishimatsu Constr Co Ltd | Sheet pile wall for purification of underground water, and method for constructing underground water purification facility |
| JP2010031559A (en) * | 2008-07-29 | 2010-02-12 | Advance:Kk | Construction method for coping concrete block |
| CN203373749U (en) * | 2013-06-26 | 2014-01-01 | 上海宏信设备工程有限公司 | Combined sheet pile construction perpendicular locating guide device |
| JP2014201895A (en) * | 2013-04-02 | 2014-10-27 | Ｊｆｅスチール株式会社 | Revetment structure of river and construction method thereof |
| CN116180734A (en) * | 2023-04-28 | 2023-05-30 | 中斯峰然建设有限公司 | Highway sheet pile wall installation device |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002294692A (en) * | 2001-03-28 | 2002-10-09 | Nishimatsu Constr Co Ltd | Sheet pile wall for purification of underground water, and method for constructing underground water purification facility |
| JP2010031559A (en) * | 2008-07-29 | 2010-02-12 | Advance:Kk | Construction method for coping concrete block |
| JP2014201895A (en) * | 2013-04-02 | 2014-10-27 | Ｊｆｅスチール株式会社 | Revetment structure of river and construction method thereof |
| CN203373749U (en) * | 2013-06-26 | 2014-01-01 | 上海宏信设备工程有限公司 | Combined sheet pile construction perpendicular locating guide device |
| CN116180734A (en) * | 2023-04-28 | 2023-05-30 | 中斯峰然建设有限公司 | Highway sheet pile wall installation device |
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