CN221778481U - A kind of anti-collapse positioning device for engineering foundation pit enclosure - Google Patents
A kind of anti-collapse positioning device for engineering foundation pit enclosure Download PDFInfo
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- CN221778481U CN221778481U CN202420248790.4U CN202420248790U CN221778481U CN 221778481 U CN221778481 U CN 221778481U CN 202420248790 U CN202420248790 U CN 202420248790U CN 221778481 U CN221778481 U CN 221778481U
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- 230000002265 prevention Effects 0.000 claims description 26
- 238000013016 damping Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004575 stone Substances 0.000 abstract description 11
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 239000011435 rock Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
本实用新型公开了一种用于工程基坑围护的防塌陷定位装置，属于建筑工程技术领域，针对了防塌陷定位装置不易对打入位置的土石进行紧实，防塌陷效果较为一般，且不易在基坑内进行固定的问题，包括防塌板，防塌板底面转动连接有转轴，转轴外表面侧壁固定连接有支撑板；本实用新型通过定位机构的调节，使得多个定位插杆和侧插杆插入基坑墙壁内，增加了工程基坑墙壁的紧实度的范围，通过固定机构的调节，使得固定板在支撑板上进行移动，可以避开基坑土层内存在的坚硬的石块，通过锚杆对装置整体进行固定，有效避免了防塌陷定位装置不易对打入位置的土石进行紧实，防塌陷效果较为一般，且不易在基坑内进行固定的问题。
The utility model discloses an anti-collapse positioning device for engineering foundation pit enclosure, which belongs to the technical field of construction engineering, and aims at the problems that the anti-collapse positioning device is not easy to compact the soil and rocks at the driven position, the anti-collapse effect is relatively general, and it is not easy to be fixed in the foundation pit. The utility model comprises an anti-collapse plate, the bottom surface of the anti-collapse plate is rotatably connected with a rotating shaft, and the side wall of the outer surface of the rotating shaft is fixedly connected with a support plate; the utility model enables a plurality of positioning insertion rods and side insertion rods to be inserted into the foundation pit wall through the adjustment of the positioning mechanism, thereby increasing the range of the compactness of the engineering foundation pit wall; the fixing plate is moved on the support plate through the adjustment of the fixing mechanism, and the hard stones existing in the foundation pit soil layer can be avoided; the device is fixed as a whole by the anchor rod, and the problems that the anti-collapse positioning device is not easy to compact the soil and rocks at the driven position, the anti-collapse effect is relatively general, and it is not easy to be fixed in the foundation pit are effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to an anti-collapse positioning device for engineering foundation pit support.
Background
The foundation pit enclosure is a method for developing and utilizing underground space, constructing various underground buildings such as multi-layer basements, underground railways, underground commercial streets and the like, and comprises gravity type stirring pile retaining walls, underground continuous walls, pile type retaining walls and the like, so that the stability of a foundation pit and the safety and convenience of operation in a pit can be ensured, and the displacement of soil bodies at the pit bottom and outside the pit can be controlled within a certain range, so that the normal use of adjacent buildings and municipal facilities is ensured.
In the prior art, a locating rod is driven into a position, close to an engineering foundation pit, of a containment plate, and the containment plate is matched for collapse prevention treatment, so that a large number of locating devices are required to be driven into, a large amount of manpower is consumed, the operation is very inconvenient, soil and stones at the driven position are not easy to compact after the locating rod is simply driven into, the collapse prevention effect is more common, soil layers in the engineering foundation pit are more complex, more hard stones exist, and the collapse prevention locating devices are not easy to fix.
Therefore, a collapse-preventing positioning device for engineering foundation pit enclosure is needed, and the problems that the collapse-preventing positioning device in the prior art is difficult to compact earth and stones at the input position, has a common collapse-preventing effect and is difficult to fix in the foundation pit are solved.
Disclosure of utility model
The utility model aims to provide an anti-collapse positioning device for engineering foundation pit support, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the collapse-preventing positioning device for the engineering foundation pit enclosure comprises an collapse-preventing plate, wherein the bottom surface of the collapse-preventing plate is rotationally connected with a rotating shaft, the side wall of the outer surface of the rotating shaft is fixedly connected with a supporting plate, the collapse-preventing plate is provided with a positioning mechanism, and the supporting plate is provided with a fixing mechanism;
The positioning mechanism comprises four positioning inserted bars which are respectively positioned at four corners of the collapse prevention plate, the positioning inserted bars fixedly penetrate through the collapse prevention plate, a cavity is formed in the positioning inserted bars, the inner wall of the cavity is slidably connected with a moving plate, two connecting rods which are symmetrically distributed are rotationally connected to the outer wall of one side of the moving plate through lug matching pins, one end of each connecting rod, which is far away from the moving plate, is rotationally connected with a side inserted bar through the lug matching pins, a through hole is formed in the outer surface of each positioning inserted bar, which corresponds to the side inserted bar, the outer surface of each side inserted bar is slidably connected with the inner surface of each through hole, two sliding bars which are in parallel distribution are fixedly connected to one side wall of the cavity, each sliding bar penetrates through the moving plate in a sliding mode, one end fixedly connected with a limiting block of each sliding bar, one end of each positioning inserted bar, which is close to the collapse prevention plate, is in a central threaded connection with an adjusting screw, one end of each adjusting screw is rotationally connected with one side of the moving plate, and the other end of each adjusting screw is fixedly connected with a screw cap.
In the scheme, it is to be noted that, fixed establishment is including seting up the T type spout in backup pad one side outer wall, sliding connection has a plurality of T type sliders in the T type spout, the guide way has been seted up to backup pad top surface one side, T type slider top surface threaded connection has fixing bolt, fixing bolt extends to the guide way top, fixing bolt surface top fastening has cup jointed fixed gasket, T type slider one side outer wall fixedly connected with fixed plate, the fixed stock that runs through two are parallel distribution of fixed plate top surface.
It is further worth to say that the outer wall of one side of the collapse prevention plate and the top surface of the support plate are fixedly connected with two connecting plates which are distributed in parallel, the top surface of the connecting plate is fixedly connected with a damping spring, one end, away from the connecting plate, of the damping spring is fixedly connected with a hinged support, a transverse support rod is hinged to the hinged support on the collapse prevention plate, and a vertical support rod is hinged to the hinged support on the support plate.
It should be further noted that, the ring channel has been seted up to horizontal bracing piece front end one side, vertical bracing piece rear end top fixedly connected with annular fixture block, annular fixture block slip card is established in the ring channel, spacing tooth's socket has all been seted up to horizontal bracing piece and vertical bracing piece one end of keeping away from the hinge, two peg graft in the spacing tooth's socket has same spacing inserted bar.
As a preferable implementation mode, one end of the positioning inserted rod, which is far away from the screwing cap, is arranged into a cone shape, one end of the side inserted rod, which is far away from the connecting rod, is arranged into a cone shape, and the outer surface of the screwing cap is provided with anti-skid patterns.
As a preferable implementation mode, the bottom surface of the fixing plate and the bottom surface of the supporting plate are positioned at the same level, and the outer surface of the limiting inserted bar is provided with insections meshed with the limiting tooth grooves.
Compared with the prior art, the collapse-preventing positioning device for engineering foundation pit support provided by the utility model at least comprises the following beneficial effects:
(1) Through positioning mechanism's regulation, twist cap rotation drive adjusting screw and remove inside the location inserted bar, and then promote the movable plate and remove in the cavity, promote the side inserted bar through articulated connecting rod and slide in the through-hole, a plurality of location inserted bars and side inserted bar insert in the foundation ditch wall, increased the scope of the compactness of engineering foundation ditch wall, improved the board of preventing collapsing to the pulling force of wall body, and then improved the effect of preventing collapsing, effectively avoided the positioner of preventing collapsing to be difficult for tightly compressing up the soil stone of beating into the position, the comparatively general problem of effect of preventing collapsing.
(2) Through fixed establishment's regulation, T type slider cooperates with T type spout for the fixed plate removes in the backup pad, can avoid the hard stone that exists in the foundation ditch soil bed, is convenient for better insert the soil layer with the stock in, fixes the fixed plate through fixing bolt, fixes the device is whole through the anchor rod, carries out spacingly to horizontal bracing piece and vertical bracing piece through spacing plug rod, carries out shock attenuation buffering to the device is whole through damping spring, further improves the stability of the device, has effectively avoided preventing collapsing positioner to be difficult for carrying out the problem fixed in the foundation ditch.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a cross-sectional part of a positioning mechanism according to the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of a support plate according to the present utility model;
fig. 4 is a schematic view of the explosion structure of the transverse support bar and the vertical support bar of the present utility model.
In the figure: 1. an anti-collapse plate; 2. a rotating shaft; 3. a support plate; 4. a positioning mechanism; 41. positioning the inserted link; 42. a cavity; 43. a moving plate; 44. a connecting rod; 45. a side insert bar; 46. a through hole; 47. a slide bar; 48. a limiting block; 49. adjusting a screw; 410. screwing the cap; 5. a fixing mechanism; 51. a T-shaped chute; 52. a T-shaped slider; 53. a guide groove; 54. a fixing bolt; 55. fixing the gasket; 56. a fixing plate; 57. a bolt; 6. a connecting plate; 7. a damping spring; 8. a hinged support; 9. a transverse support bar; 10. a vertical support rod; 11. an annular groove; 12. an annular clamping block; 13. limiting tooth grooves; 14. and a limiting inserted link.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-4, the utility model provides an anti-collapse positioning device for engineering foundation pit enclosure, which comprises an anti-collapse plate 1, wherein a rotating shaft 2 is rotatably connected to the bottom surface of the anti-collapse plate 1, a supporting plate 3 is fixedly connected to the side wall of the outer surface of the rotating shaft 2, a positioning mechanism 4 is arranged on the anti-collapse plate 1, and a fixing mechanism 5 is arranged on the supporting plate 3;
The positioning mechanism 4 comprises four positioning inserted rods 41 which are respectively positioned at four corners of the collapse prevention plate 1, the positioning inserted rods 41 fixedly penetrate through the collapse prevention plate 1, a cavity 42 is formed in the positioning inserted rods 41, the inner wall of the cavity 42 is in sliding connection with a moving plate 43, two symmetrically distributed connecting rods 44 are rotatably connected to the outer wall of one side of the moving plate 43 through lug matching pins, one ends of the connecting rods 44, which are far away from the moving plate 43, are rotatably connected with side inserted rods 45 through lug matching pins, through holes 46 are formed in the positions, corresponding to the side inserted rods 45, of the outer surfaces of the positioning inserted rods 41, the inner surfaces of the through holes 46 are in sliding connection, two sliding rods 47 which are in parallel distribution are fixedly connected to one side wall of the cavity 42, the sliding rods 47 slidably penetrate through the moving plate 43, one ends, which are far away from the moving plate 43, of the sliding rods 47 are fixedly connected with limiting blocks 48, one ends, which are close to the collapse prevention plate 1, of the positioning inserted rods 41 are in central threaded connection with adjusting screws 49, one ends of the adjusting screws 49 are rotatably connected with one sides of the moving plate 43, and the other ends of the adjusting screws 49 are fixedly connected with screw caps 410.
Further, as shown in fig. 3, it is worth specifically explaining that the fixing mechanism 5 includes a T-shaped chute 51 formed on an outer wall of one side of the support plate 3, a plurality of T-shaped sliders 52 are slidably connected in the T-shaped chute 51, a guide slot 53 is formed on one side of a top surface of the support plate 3, a fixing bolt 54 is screwed on a top surface of the T-shaped sliders 52, the fixing bolt 54 extends to above the guide slot 53, a fixing spacer 55 is fastened and sleeved on a top portion of an outer surface of the fixing bolt 54, a fixing plate 56 is fixedly connected to an outer wall of one side of the T-shaped sliders 52, and two anchor rods 57 which are distributed in parallel are fixedly penetrated through a top surface of the fixing plate 56.
Further, as shown in fig. 1 and fig. 4, it is worth specifically explaining that the outer wall of one side of the collapse preventing plate 1 and the top surface of the supporting plate 3 are fixedly connected with two connecting plates 6 which are distributed in parallel, the top surface of the connecting plate 6 is fixedly connected with a damping spring 7, one end of the damping spring 7, which is far away from the connecting plate 6, is fixedly connected with a hinged support 8, a transverse supporting rod 9 is hinged on the hinged support 8 on the collapse preventing plate 1, and a vertical supporting rod 10 is hinged on the hinged support 8 on the supporting plate 3.
Further, as shown in fig. 4, it is worth specifically explaining that an annular groove 11 is provided on one side of the front end of the transverse support rod 9, an annular clamping block 12 is fixedly connected to the top of the rear end of the vertical support rod 10, the annular clamping block 12 is slidably clamped in the annular groove 11, limiting tooth grooves 13 are provided on one ends of the transverse support rod 9 and the vertical support rod 10, which are far away from the hinge support 8, and the same limiting inserting rod 14 is inserted into the two limiting tooth grooves 13.
The scheme comprises the following working processes: when the device is used, firstly, the device is moved to a target area, the angle between the collapse prevention plate 1 and the support plate 3 is adjusted through the rotating shaft 2 according to the actual condition of a foundation pit, four positioning inserted rods 41 are inserted into the wall of the foundation pit, the adjusting screw 49 is driven to rotate by rotating the screwing cap 410, the adjusting screw 49 moves in the positioning inserted rods 41 under the action of threads, the adjusting screw 49 is rotationally connected with the moving plate 43, the moving plate 43 is pushed to slide on the sliding rod 47 while the adjusting screw 49 moves, the moving plate 43 is hinged with the side inserted rods 45 through the connecting rods 44, the connecting rods 44 are pushed to move while the moving plate 43 moves, the side inserted rods 45 slide in the through holes 46, the positioning inserted rods 41 and the side inserted rods 45 are unfolded inside the wall of the engineering foundation pit, the compactness range of the wall of the engineering foundation pit is increased, the pulling force of the collapse prevention plate 1 to the wall is improved, and the collapse prevention effect is further improved.
When the device is fixed, promote fixed plate 56 and drive T type slider 52 and remove in T type spout 51 for fixed plate 56 can avoid the hard stone that exists in the foundation ditch soil layer, after fixed plate 56 removes to the region that can fix, screw fixing bolt 54 and make the bottom surface of fixed gasket 55 contradict the top surface of backup pad 3, carry out spacing to fixed plate 56, fix the device whole in the foundation ditch soil layer with stock 57, then insert spacing inserted bar 14 in spacing tooth's socket 13, carry out spacing fixedly to horizontal bracing piece 9 and vertical bracing piece 10, carry out shock attenuation buffering through damping spring 7, improve the stability of the device.
The working process can be as follows: through the regulation of positioning mechanism 4, twist cap 410 rotates and drives adjusting screw 49 and remove inside location inserted bar 41, and then promote movable plate 43 and remove in cavity 42, promote side inserted bar 45 through articulated connecting rod 44 and slide in through-hole 46, a plurality of location inserted bars 41 and side inserted bar 45 insert in the foundation ditch wall, the scope of the compactness of engineering foundation ditch wall has been increased, the pulling force of anti-collapse board 1 to the wall body has been improved, and then anti-collapse effect has been improved, the difficult soil stone to the position of beating of anti-collapse positioner is compact, the comparatively general problem of anti-collapse effect has effectively been avoided.
Through the regulation of fixed establishment 5, T type slider 52 cooperates with T type spout 51 for fixed plate 56 removes in backup pad 3, can avoid the hard stone that exists in the foundation ditch soil horizon, in the better of being convenient for inserts the soil horizon with stock 57, fix fixed plate 56 through fixing bolt 54, wholly fix the device through stock 57, it is spacing to horizontal bracing piece 9 and vertical bracing piece 10 through spacing inserted bar 14, wholly carry out shock attenuation buffering to the device through damping spring 7, further improve the stability of the device, effectively avoided preventing collapsing positioner difficult problem of fixing in the foundation ditch.
Further, as shown in fig. 2, it is worth specifically explaining that the end of the positioning inserting rod 41 away from the screwing cap 410 is provided with a taper shape, so that the positioning inserting rod 41 is conveniently inserted into the foundation pit wall, the end of the side inserting rod 45 away from the connecting rod 44 is provided with a taper shape, so that the side inserting rod 45 is conveniently inserted into the foundation pit wall, and the outer surface of the screwing cap 410 is provided with anti-skid patterns, so that the screwing cap 410 is conveniently screwed by a worker.
Further, as shown in fig. 1 and fig. 4, it is worth specifically explaining that the bottom surface of the fixing plate 56 and the bottom surface of the supporting plate 3 are located at the same level, so that the gap between the anchor rod 57 and the soil layer after being inserted into the soil layer is reduced, the overall stability of the device is improved, and the external surface of the limiting inserted rod 14 is provided with the insection meshed with the limiting tooth slot 13, so that the limiting and fixing of the transverse supporting rod 9 and the vertical supporting rod 10 are facilitated.
To sum up: when the device is used, firstly, the device is moved to a target area, the angle between the collapse prevention plate 1 and the support plate 3 is adjusted through the rotating shaft 2 according to the actual condition of a foundation pit, four positioning inserted rods 41 are inserted into the wall of the foundation pit, the adjusting screw 49 is driven to rotate by rotating the screwing cap 410, the adjusting screw 49 moves in the positioning inserted rods 41 under the action of threads, the adjusting screw 49 is rotationally connected with the moving plate 43, the moving plate 43 is pushed to slide on the sliding rod 47 while the adjusting screw 49 moves, the moving plate 43 is hinged with the side inserted rods 45 through the connecting rods 44, the connecting rods 44 are pushed to move while the moving plate 43 moves, the side inserted rods 45 slide in the through holes 46, the positioning inserted rods 41 and the side inserted rods 45 are unfolded inside the wall of the engineering foundation pit, the compactness range of the wall of the engineering foundation pit is increased, the pulling force of the collapse prevention plate 1 on the wall is improved, the collapse prevention effect is improved, and the collapse prevention effect is effectively avoided, and the problem that the collapse prevention device is difficult to compact the earth and stone at the position is relatively general.
When the device is fixed, promote fixed plate 56 and drive T type slider 52 and remove in T type spout 51 for fixed plate 56 can avoid the hard stone that exists in the foundation ditch soil layer, after fixed plate 56 removes to the region that can fix, screw fixing bolt 54 makes the bottom surface of fixed gasket 55 to contradict the top surface of backup pad 3, carry out spacing to fixed plate 56, fix the device is whole with the stock 57 nail in the foundation ditch soil layer, then insert spacing inserted bar 14 in spacing tooth groove 13, the insection that spacing inserted bar 14 surface was offered meshes with spacing tooth groove 13, carry out spacing fixed to horizontal bracing piece 9 and vertical bracing piece 10, carry out shock attenuation buffering through damping spring 7, the stability of the device is improved, the problem that anti-collapse positioner is difficult to fix in the foundation ditch has effectively been avoided.
Claims (6)
1. The collapse-preventing positioning device for the engineering foundation pit enclosure comprises an collapse-preventing plate (1), wherein the bottom surface of the collapse-preventing plate (1) is rotationally connected with a rotating shaft (2), and the side wall of the outer surface of the rotating shaft (2) is fixedly connected with a supporting plate (3), and the collapse-preventing positioning device is characterized in that a positioning mechanism (4) is arranged on the collapse-preventing plate (1), and a fixing mechanism (5) is arranged on the supporting plate (3);
The positioning mechanism (4) comprises four positioning inserting rods (41) which are respectively positioned at four corners of the collapse prevention plate (1), the positioning inserting rods (41) fixedly penetrate through the collapse prevention plate (1), a cavity (42) is formed in the positioning inserting rods (41), the inner wall of the cavity (42) is slidably connected with a moving plate (43), two symmetrically distributed connecting rods (44) are rotatably connected to one side outer wall of the moving plate (43) through lug matching pins, one end of each connecting rod (44) far away from the moving plate (43) is rotatably connected with a side inserting rod (45) through lug matching pins, a through hole (46) is formed in the position, corresponding to the side inserting rod (45), of the outer surface of each positioning inserting rod (41), the outer surface of each side inserting rod (45) is slidably connected with the inner surface of each through hole (46), two sliding rods (47) which are in parallel distribution are fixedly connected to one side wall of each cavity (42), one end, far away from the moving plate (43), of each sliding rod (47) is fixedly connected with a limiting block (48), one end, close to the center of the positioning inserting rod (41), of the screw rod (49) is connected with one end, which is in a threaded mode, of the adjusting screw rod (49) is connected with one end, which is in a threaded mode, the other end of the adjusting screw rod (49) is fixedly connected with a screwing cap (410).
2. The collapse prevention positioning device for an engineering foundation pit enclosure of claim 1, wherein: the fixing mechanism (5) comprises a T-shaped sliding groove (51) formed in the outer wall of one side of the supporting plate (3), a plurality of T-shaped sliding blocks (52) are connected in the T-shaped sliding groove (51) in a sliding mode, guide grooves (53) are formed in one side of the top surface of the supporting plate (3), fixing bolts (54) are connected with the top surfaces of the T-shaped sliding blocks (52) in a threaded mode, the fixing bolts (54) extend to the upper portion of the guide grooves (53), fixing gaskets (55) are fixedly sleeved on the top portions of the outer surfaces of the fixing bolts (54), fixing plates (56) are fixedly connected to the outer wall of one side of the T-shaped sliding blocks (52), and two anchor rods (57) which are distributed in parallel are fixedly penetrated through the top surfaces of the fixing plates (56).
3. The collapse prevention positioning device for an engineering foundation pit enclosure of claim 2, wherein: the anti-collapse plate is characterized in that two connecting plates (6) which are distributed in parallel are fixedly connected to the outer wall of one side of the anti-collapse plate (1) and the top surface of the supporting plate (3), damping springs (7) are fixedly connected to the top surface of the connecting plates (6), hinge supports (8) are fixedly connected to one ends, far away from the connecting plates (6), of the damping springs (7), transverse supporting rods (9) are hinged to the hinge supports (8) on the anti-collapse plate (1), and vertical supporting rods (10) are hinged to the hinge supports (8) on the supporting plate (3).
4. A collapse prevention positioning device for an engineering foundation pit enclosure according to claim 3, wherein: annular groove (11) have been seted up to horizontal bracing piece (9) front end one side, annular fixture block (12) are fixedly connected with in vertical bracing piece (10) rear end top, annular fixture block (12) slip card is established in annular groove (11), spacing tooth's socket (13) have all been seted up to one end that hinge support (8) was kept away from to horizontal bracing piece (9) and vertical bracing piece (10), two same spacing inserted bar (14) have been inserted in spacing tooth's socket (13).
5. The collapse prevention positioning device for an engineering foundation pit enclosure of claim 4, wherein: one end of the positioning inserted rod (41) far away from the screwing cap (410) is arranged to be conical, one end of the side inserted rod (45) far away from the connecting rod (44) is arranged to be conical, and anti-skid patterns are formed on the outer surface of the screwing cap (410).
6. The collapse prevention positioning device for an engineering foundation pit enclosure of claim 5, wherein: the bottom surface of the fixing plate (56) and the bottom surface of the supporting plate (3) are positioned at the same level, and the outer surface of the limiting inserted rod (14) is provided with insections meshed with the limiting tooth grooves (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420248790.4U CN221778481U (en) | 2024-02-01 | 2024-02-01 | A kind of anti-collapse positioning device for engineering foundation pit enclosure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420248790.4U CN221778481U (en) | 2024-02-01 | 2024-02-01 | A kind of anti-collapse positioning device for engineering foundation pit enclosure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118958316A (en) * | 2024-10-16 | 2024-11-15 | 四川高路建筑工程有限公司 | A prestressed support structure and construction method for protecting existing subway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118958316A (en) * | 2024-10-16 | 2024-11-15 | 四川高路建筑工程有限公司 | A prestressed support structure and construction method for protecting existing subway |
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