CN111335330A - Foundation pit supporting structure - Google Patents

Foundation pit supporting structure Download PDF

Info

Publication number
CN111335330A
CN111335330A CN202010264713.4A CN202010264713A CN111335330A CN 111335330 A CN111335330 A CN 111335330A CN 202010264713 A CN202010264713 A CN 202010264713A CN 111335330 A CN111335330 A CN 111335330A
Authority
CN
China
Prior art keywords
connecting plate
telescopic
plate
foundation pit
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010264713.4A
Other languages
Chinese (zh)
Inventor
邓子谦
徐清
袁泉
李青春
胡金山
陈卫东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Chengdu Engineering Co Ltd
Original Assignee
PowerChina Chengdu Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Chengdu Engineering Co Ltd filed Critical PowerChina Chengdu Engineering Co Ltd
Priority to CN202010264713.4A priority Critical patent/CN111335330A/en
Publication of CN111335330A publication Critical patent/CN111335330A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits

Abstract

The invention belongs to the technical field of foundation pit supporting, and particularly discloses a foundation pit supporting structure capable of supporting retaining plates with different heights. The foundation pit supporting structure is characterized in that a first connecting plate is arranged on the outer wall of a retaining plate, a sliding block which can be detachably connected with parts with different heights on the first connecting plate is arranged on the first connecting plate, and the height of a supporting point of the retaining plate can be adjusted by connecting the sliding block to the parts with different heights; simultaneously, through setting up the flexible strutting arrangement on the horizontal plate, make its flexible bracing piece towards the outer wall of retaining plate and the cover be connected in the retaining ring with slider articulated, after the slider is connected to suitable strong point position, can realize effectively supporting the retaining plate through the flexible volume of adjusting flexible bracing piece, reach the purpose that supports the retaining plate of co-altitude.

Description

Foundation pit supporting structure
Technical Field
The invention belongs to the technical field of foundation pit supporting, and particularly relates to a foundation pit supporting structure.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit; the common support modes mainly include: the foundation pit supporting structure comprises a row pile supporting structure, a pile support structure, a pile anchor structure, a row pile cantilever structure, an underground continuous wall supporting structure, a ground continuous wall added support structure, a cement retaining wall, a soil nailing wall, a reverse arch wall, an original soil slope, a pile, a wall added support system, a simple horizontal support structure, a reinforced concrete row pile and the like, and the foundation pit supporting structure can be realized by reasonably combining two or more modes.
General supporting structure of foundation ditch needs to support it work in order to guarantee its stability, and traditional bearing structure's support stabilization effect is relatively poor, and can't adjust, can not support the fender apron of co-altitude not, consequently can not play good supporting role to supporting structure of foundation ditch.
Disclosure of Invention
The invention aims to provide a foundation pit supporting structure capable of supporting retaining plates with different heights.
The technical scheme adopted by the invention for solving the technical problems is as follows: the foundation pit supporting structure comprises a retaining plate for blocking the side wall of the foundation pit and a horizontal plate for being arranged at the bottom of the foundation pit, wherein a telescopic supporting device is arranged on the horizontal plate, and a telescopic supporting rod of the telescopic supporting device faces the outer wall of the retaining plate; the outer wall of the soil retaining plate is provided with a first connecting plate, the first connecting plate is provided with a sliding block, and the sliding block can be detachably connected with parts with different heights on the first connecting plate; articulated on the slider have solid fixed ring, gu the fixed ring suit is on flexible strutting arrangement's flexible bracing piece.
Further, all be provided with vertical limiting plate on the corresponding fender breast board outer wall in top and the bottom with first connecting plate.
Further, a sliding chute is arranged on the outer wall of the first connecting plate, and at least two limiting holes which are distributed at intervals are arranged in the sliding chute; the slider slidable sets up in the spout, is provided with the connecting rod that links to each other with each spacing hole homoenergetic cooperation on the slider, the connecting rod inserts and connects in one of them spacing hole.
Furthermore, a connecting seat is arranged on the sliding block and is hinged with the fixing ring through the connecting seat.
Furthermore, the peripheral wall of the fixing ring is provided with at least three third electric push rods, telescopic rods of the third electric push rods extend into the fixing ring, and the end parts of the telescopic rods of the third electric push rods are provided with clamping rings.
Further, the telescopic supporting device comprises a telescopic cylinder arranged on the horizontal plate and a telescopic column arranged in the telescopic cylinder, and the telescopic column is a telescopic supporting rod of the telescopic supporting device; the side wall of the telescopic cylinder is provided with at least two fixing holes which are distributed at intervals along the axial direction of the telescopic cylinder, and a fixing pin which is blocked at the lower end of the telescopic column is inserted in one fixing hole.
Furthermore, a second connecting plate is arranged on the upper surface of the horizontal plate, and the telescopic cylinder is arranged on the second connecting plate through a sliding support.
Furthermore, horizontal limiting plates are arranged on the horizontal plate parts corresponding to the two ends of the second connecting plate.
Further, the upper part of the second connecting plate is provided with a guide rail, and the sliding support is connected with the guide rail in a sliding manner.
Furthermore, the sliding support comprises a third connecting plate arranged at the lower end of the telescopic cylinder and a positioning fixing pin, the lower end of the positioning fixing pin penetrates through the third connecting plate to be matched and connected with the second connecting plate, and a guide groove matched with the guide rail is formed in the lower portion of the third connecting plate.
The invention has the beneficial effects that:
1) the height of a supporting point of the retaining plate can be adjusted by arranging the first connecting plate on the outer wall of the retaining plate and arranging the sliding block which can be detachably connected with different height parts on the first connecting plate, and then connecting the sliding block to the different height parts; simultaneously, through setting up the flexible strutting arrangement on the horizontal plate, make its flexible bracing piece towards the outer wall of retaining plate and the cover be connected in the retaining ring with slider articulated, after the slider is connected to suitable strong point position, can realize effectively supporting the retaining plate through the flexible volume of adjusting flexible bracing piece, reach the purpose that supports the retaining plate of co-altitude.
2) Through set up at least three telescopic link on solid fixed ring's perisporium and stretch into the intra-annular third electric putter of fixed to set up the grip ring on the tip of third electric putter's telescopic link, adjust the flexible volume of third electric putter's telescopic link during the use and can make solid fixed ring and the flexible bracing piece of different specifications carry out effective connection fixedly, the practicality is strong, and the reliability is high.
3) The telescopic supporting device is arranged on the second connecting plate through a sliding support provided with a third connecting plate in sliding fit with the guide rail and a positioning fixing pin capable of being in positioning connection with the second connecting plate, so that the position of the sliding support on the second connecting plate can be adjusted to effectively adjust the supporting angle, and the supporting effect is ensured; and moreover, after the position is adjusted, the positioning fixing pin is inserted and fixed on the second connecting plate, so that the use is very convenient.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a three-dimensional assembly of a first connecting plate and a slider according to the present invention;
FIG. 3 is a schematic view of a retaining ring according to the present invention;
labeled as: soil guard plate 1, vertical limiting plate 2, first connecting plate 3, solid fixed ring 4, flexible post 5, fixing pin 6, fixed orifices 7, a flexible section of thick bamboo 8, second connecting plate 9, horizontal limiting plate 10, guide rail 11, location fixed pin 12, guide slot 13, third connecting plate 14, horizontal plate 15, connecting seat 16, slider 17, connecting rod 18, spout 19, spacing hole 20, grip ring 21, third electric putter 22.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the foundation pit supporting structure comprises a retaining plate 1 for blocking the side wall of the foundation pit and a horizontal plate 15 for being arranged at the bottom of the foundation pit, wherein a telescopic supporting device is arranged on the horizontal plate 15, and a telescopic supporting rod of the telescopic supporting device faces the outer wall of the retaining plate 1; the outer wall of the soil retaining plate 1 is provided with a first connecting plate 3, the first connecting plate 3 is provided with a sliding block 17, and the sliding block 17 can be detachably connected with parts with different heights on the first connecting plate 3; articulated on the slider 17 have solid fixed ring 4, gu fixed ring 4 suit is on telescopic support rod of flexible strutting arrangement.
The telescopic supporting device mainly supports the retaining plates 1 on the basis of the horizontal plate 15, and the length of the telescopic supporting device can be adjusted, so that the retaining plates 1 with different heights can be effectively supported; the telescopic support means may be of various configurations, for example: cylinder, hydro-cylinder, electric putter, spring telescoping device etc..
The first connecting plate 3 is arranged on the outer wall of the soil retaining plate 1 and is mainly used for connecting supporting parts and increasing the supporting contact area; generally, all be provided with vertical limiting plate 2 on the retaining plate 1 outer wall that corresponds with the top and the bottom of first connecting plate 3, limit first connecting plate 3 upper and lower position on retaining plate 1 to it is effective to guarantee the firm of support. At least two sliding block connecting parts with different heights are usually arranged on the first connecting plate 3 and are used for being connected with the sliding blocks 17 so as to be suitable for effectively supporting the retaining plates 1 with different heights; the detachable connection can be in various ways, such as: by screw or bolt connections, by snap connections, embedded connections, threaded connections, etc.
Preferably, as shown in fig. 2, a sliding groove 19 is formed in an outer wall of the first connecting plate 3, and at least two limiting holes 20 are formed in the sliding groove 19 and are distributed at intervals up and down; the sliding block 17 is slidably arranged in the sliding groove 19, the sliding block 17 is provided with a connecting rod 18 which can be matched and connected with each limiting hole 20, and the connecting rod 18 is inserted and connected into one limiting hole 20. The connecting rod 18 is mainly matched with the limiting hole 20 to connect the sliding block 17 with the first connecting plate 3, and the connecting rod 18 can be various, such as: a telescopic rod, a screw rod, etc., preferably an electric push rod.
In order to adjust the position of the supporting point better and further improve the supporting effect, at least three limiting holes 20 are generally formed in the sliding groove 19, and the limiting holes 20 are distributed at equal intervals.
The fixing ring 4 is mainly used for being connected with a telescopic supporting rod of the telescopic supporting device, and is generally provided with a locking structure, wherein the locking structure can be various, such as: locking screws, a hoop, an electric push rod, a clamp spring and the like; as shown in fig. 1, it is preferable that a connecting seat 16 is provided on the slider 17, and the slider 17 is hinged to the fixing ring 4 through the connecting seat 16. The connecting socket 16 is generally formed by two triangular connecting lugs arranged oppositely.
Specifically, as shown in fig. 1, a second connecting plate 9 is provided on the upper surface of the horizontal plate 15, and the telescopic supporting device is provided on the second connecting plate 9 through a sliding support. Generally, horizontal limiting plates 10 are arranged on the horizontal plates 15 corresponding to the two ends of the second connecting plate 9 to limit the front and rear positions of the second connecting plate 9 on the horizontal plates 15, so as to ensure the stability and effectiveness of the support. The front end of the second connecting plate 9 means an end thereof corresponding to the soil guard plate 1. The sliding support is mainly used for installing and connecting the telescopic supporting device and the second connecting plate 9, and the arrangement mode of the sliding support on the second connecting plate 9 can be various, for example: a support with a roller, a support in sliding fit with the second connecting plate 9, a support in screw connection with the second connecting plate 9, a support embedded in the second connecting plate 9, and the like.
Preferably, the upper part of the second connecting plate 9 is provided with a guide rail 11, and the sliding support is slidably connected with the guide rail 11; the sliding support comprises a third connecting plate 14 arranged at the lower end of the telescopic cylinder 8 and a positioning fixing pin 12 of which the lower end is connected with the second connecting plate 9 through the third connecting plate 14 in a matching way, and a guide groove 13 matched with the guide rail 11 is arranged at the lower part of the third connecting plate 14. Therefore, the position of the sliding support on the second connecting plate 9 can be conveniently adjusted to effectively adjust the supporting angle, and the supporting effect is ensured; and after the position is adjusted, the positioning fixing pin 12 is inserted and fixed on the second connecting plate 9, so that the use is very convenient.
The sliding support can also be in the following structure: the telescopic cylinder comprises a third connecting plate 14 arranged at the lower end of a telescopic cylinder 8, a telescopic push rod arranged at the bottom of the third connecting plate 14 and a supporting leg arranged at the bottom of the third connecting plate 14, wherein the lower end of the supporting leg is provided with a rolling wheel; the lower end of the telescopic push rod is provided with a pressing plate, and the pressing plate is provided with a fixing screw rod which connects the pressing plate with the horizontal plate 15.
Example 1
Referring to fig. 1 and 2, the foundation pit supporting structure includes a retaining plate 1 blocked on the sidewall of the foundation pit and a horizontal plate 15 arranged at the bottom of the foundation pit, a telescopic supporting device is arranged on the horizontal plate 15, and a telescopic supporting rod of the telescopic supporting device faces the outer wall of the retaining plate 1; the outer wall of the soil retaining plate 1 is provided with a first connecting plate 3, the first connecting plate 3 is provided with a sliding block 17, and the sliding block 17 can be detachably connected with parts with different heights on the first connecting plate 3; a fixed ring 4 is hinged on the sliding block 17, and the fixed ring 4 is sleeved on a telescopic supporting rod of the telescopic supporting device;
the outer wall of the first connecting plate 3 is provided with a sliding chute 19, and at least two limiting holes 20 which are distributed at intervals are arranged in the sliding chute 19; the sliding block 17 is slidably arranged in the sliding groove 19, the sliding block 17 is provided with a connecting rod 18 which can be matched and connected with each limiting hole 20, and the connecting rod 18 is inserted and connected into one limiting hole 20;
the telescopic supporting device comprises a telescopic cylinder 8 arranged on the horizontal plate 15 and a telescopic column 5 arranged in the telescopic cylinder 8, and the telescopic column 5 is a telescopic supporting rod of the telescopic supporting device; the side wall of the telescopic cylinder 8 is provided with at least two fixing holes 7 which are distributed at intervals along the axial direction of the telescopic cylinder 8, wherein a fixing pin 6 blocked at the lower end of the telescopic column 5 is inserted in one fixing hole 7;
the upper surface of the horizontal plate 15 is provided with a second connecting plate 9, and the telescopic cylinder 8 is arranged on the second connecting plate 9 through a sliding support; the upper part of the second connecting plate 9 is provided with a guide rail 11, and the sliding support is connected with the guide rail 11 in a sliding way;
the sliding support comprises a third connecting plate 14 arranged at the lower end of the telescopic cylinder 8 and a positioning fixing pin 12 of which the lower end passes through the third connecting plate 14 to be matched and connected with the second connecting plate 9, and a guide groove 13 matched with the guide rail 11 is arranged at the lower part of the third connecting plate 14.
The working principle is as follows: when the device is used, the position of a supporting point is adjusted by sliding the sliding block 17 in the sliding groove 19 on the first connecting plate 3 so as to support and fix the retaining plates 1 with different heights, and when the sliding block 17 slides to a proper position, the connecting rod 18 is inserted into the corresponding limiting hole 20 to connect and fix the sliding block 17 and the first connecting plate 3; meanwhile, the telescopic amount of the telescopic column 5 is adjusted adaptively, and after the adjustment is completed, the fixing pin 6 is inserted into the appropriate fixing hole 7 and is blocked at the lower end of the telescopic column 5. When the support angle needs to be adjusted, the third connecting plate 14 in sliding fit with the guide rail 11 drives the telescopic cylinder 8 to move on the second connecting plate 9, after the support angle is adjusted, the sliding support is supported and fixed on the second connecting plate 9 through the positioning fixing pin 12, the use requirement for adjusting the support angle is met, and the support structure is stably fixed on the horizontal plate 15 through the positioning fixing pin 12.
Example 2
Referring to fig. 1 and 3, the foundation pit supporting structure includes a retaining plate 1 blocked on the sidewall of the foundation pit and a horizontal plate 15 arranged at the bottom of the foundation pit, a telescopic supporting device is arranged on the horizontal plate 15, and a telescopic supporting rod of the telescopic supporting device faces the outer wall of the retaining plate 1; the outer wall of the soil retaining plate 1 is provided with a first connecting plate 3, the first connecting plate 3 is provided with a sliding block 17, and the sliding block 17 can be detachably connected with parts with different heights on the first connecting plate 3; a connecting seat 16 is arranged on the sliding block 17, a fixing ring 4 is hinged on the connecting seat 16, and the fixing ring 4 is sleeved on a telescopic supporting rod of the telescopic supporting device;
a third electric push rod 22 is arranged on the peripheral wall of the fixing ring 4, and a telescopic rod of the third electric push rod 22 faces to the center of the fixing ring 4; the third electric push rods 22 are at least three and are uniformly distributed along the circumferential direction of the fixing ring 4, the telescopic rods of the third electric push rods 22 extend into the fixing ring 4, and the end parts of the telescopic rods of the third electric push rods 22 are provided with clamping rings 21.
The working principle is as follows: during the use, will gu fixed ring 4 joint on flexible bracing piece, start third electric putter 22 simultaneously, many third electric putter 22 drive respective grip ring 21 with flexible bracing piece clamp tightly, can effectually fix the flexible bracing piece of different specifications.

Claims (10)

1. Foundation ditch bearing structure, including being used for blockking fender apron (1) on the foundation ditch lateral wall and being used for setting up horizontal plate (15) in the foundation ditch bottom, its characterized in that: the horizontal plate (15) is provided with a telescopic supporting device, and a telescopic supporting rod of the telescopic supporting device faces the outer wall of the soil retaining plate (1); a first connecting plate (3) is arranged on the outer wall of the soil retaining plate (1), a sliding block (17) is arranged on the first connecting plate (3), and the sliding block (17) can be detachably connected with parts with different heights on the first connecting plate (3); articulated on slider (17) have solid fixed ring (4), gu fixed ring (4) suit is on flexible strutting arrangement's flexible bracing piece.
2. The foundation pit support structure of claim 1, wherein: and vertical limiting plates (2) are arranged on the outer walls of the soil retaining plates (1) corresponding to the top and the bottom of the first connecting plate (3).
3. The foundation pit support structure of claim 1, wherein: a sliding groove (19) is formed in the outer wall of the first connecting plate (3), and at least two limiting holes (20) which are distributed at intervals are formed in the sliding groove (19); the sliding block (17) is slidably arranged in the sliding groove (19), a connecting rod (18) which can be matched and connected with each limiting hole (20) is arranged on the sliding block (17), and the connecting rod (18) is inserted into one limiting hole (20).
4. The foundation pit support structure of claim 1, wherein: the sliding block (17) is provided with a connecting seat (16) and is hinged with the fixed ring (4) through the connecting seat (16).
5. The foundation pit support structure of claim 4, wherein: the peripheral wall of the fixing ring (4) is provided with three electric push rods (22), the number of the third electric push rods (22) is at least three, the telescopic rod of the third electric push rod (22) extends into the fixing ring (4), and the end part of the telescopic rod of the third electric push rod (22) is provided with a clamping ring (21).
6. A foundation pit support structure according to any one of claims 1 to 5, wherein: the telescopic supporting device comprises a telescopic cylinder (8) arranged on the horizontal plate (15) and a telescopic column (5) arranged in the telescopic cylinder (8), and the telescopic column (5) is a telescopic supporting rod of the telescopic supporting device; the side wall of the telescopic cylinder (8) is provided with at least two fixing holes (7) which are distributed along the axial direction of the telescopic cylinder (8) at intervals, and a fixing pin (6) blocked at the lower end of the telescopic column (5) is inserted in one fixing hole (7).
7. The foundation pit support structure of claim 6, wherein: the upper surface of horizontal plate (15) is provided with second connecting plate (9), telescopic cylinder (8) pass through sliding support and set up on second connecting plate (9).
8. The foundation pit support structure of claim 7, wherein: horizontal limiting plates (10) are arranged on the horizontal plates (15) corresponding to the two ends of the second connecting plate (9).
9. The foundation pit support structure of claim 7, wherein: and the upper part of the second connecting plate (9) is provided with a guide rail (11), and the sliding support is connected with the guide rail (11) in a sliding manner.
10. The foundation pit support structure of claim 9, wherein: the sliding support comprises a third connecting plate (14) arranged at the lower end of the telescopic cylinder (8) and a positioning fixing pin (12) with the lower end connected with the second connecting plate (9) in a matched mode through the third connecting plate (14), and a guide groove (13) matched with the guide rail (11) is formed in the lower portion of the third connecting plate (14).
CN202010264713.4A 2020-04-07 2020-04-07 Foundation pit supporting structure Pending CN111335330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010264713.4A CN111335330A (en) 2020-04-07 2020-04-07 Foundation pit supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010264713.4A CN111335330A (en) 2020-04-07 2020-04-07 Foundation pit supporting structure

Publications (1)

Publication Number Publication Date
CN111335330A true CN111335330A (en) 2020-06-26

Family

ID=71180735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010264713.4A Pending CN111335330A (en) 2020-04-07 2020-04-07 Foundation pit supporting structure

Country Status (1)

Country Link
CN (1) CN111335330A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227383A (en) * 2020-10-19 2021-01-15 许勇 Safe type housing construction underground structure supporting device
CN112891153A (en) * 2021-01-25 2021-06-04 武汉理工大学 Indoor standing-assisting device for old people
CN113482010A (en) * 2021-08-14 2021-10-08 江苏宏顺环保科技有限公司 Deep foundation pit supporting device with alarming function in abnormal state
CN113774923A (en) * 2021-09-29 2021-12-10 中建四局第三建设有限公司 Foundation ditch supporting construction for civil engineering
CN116770754A (en) * 2023-08-15 2023-09-19 广州市翔通交通设施工程有限公司 Anti-collision safety barrier for municipal street

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227383A (en) * 2020-10-19 2021-01-15 许勇 Safe type housing construction underground structure supporting device
CN112891153A (en) * 2021-01-25 2021-06-04 武汉理工大学 Indoor standing-assisting device for old people
CN113482010A (en) * 2021-08-14 2021-10-08 江苏宏顺环保科技有限公司 Deep foundation pit supporting device with alarming function in abnormal state
CN113774923A (en) * 2021-09-29 2021-12-10 中建四局第三建设有限公司 Foundation ditch supporting construction for civil engineering
CN116770754A (en) * 2023-08-15 2023-09-19 广州市翔通交通设施工程有限公司 Anti-collision safety barrier for municipal street
CN116770754B (en) * 2023-08-15 2024-03-29 陈玉益 Anti-collision safety barrier for municipal street

Similar Documents

Publication Publication Date Title
CN111335330A (en) Foundation pit supporting structure
CN211898440U (en) Foundation pit supporting structure
CN218914413U (en) Engineering survey level supporting device
CN214885295U (en) High scaffold supports protective structure for construction
CN213233413U (en) Composite mixing pile supporting construction
CN109958030A (en) Paving machine and method with the quick connecting device for transverse-distribution devices
CN213267834U (en) Steel pipe pile foundation reinforcing structure
CN210316624U (en) Precast beam bracing structure
CN210530385U (en) Protector for construction
CN209975981U (en) Civil engineering construction is with scaffold frame of adjustable mounted position
CN210439308U (en) Soft rock side slope protector
CN216476720U (en) Fixed supporting leg of fast-assembling combination formula construction enclosure
CN208486656U (en) A kind of more adaptive type Hard link safe fences
CN109577997B (en) Tunnel excavation engineering is with counter-force shield structure that has stronger stable effect
CN206581088U (en) A kind of movable rail supporting arrangement of multi-state
CN217871677U (en) Foldable work stool
CN219509113U (en) Wall body wall building equipment for house construction
CN214144997U (en) Ecological garden vegetation planning protection railing
CN219529051U (en) Safety protection canopy is used in construction of tunnel inside
CN214090882U (en) Novel construction scaffold without fastener
CN219470694U (en) Bridge supporting structure
CN218233531U (en) Anchoring device for slope protection
CN217078731U (en) Square hole digging pile dado
CN218952776U (en) Scaffold cross bar convenient to adjust
CN211622155U (en) Curtain wall embedded part

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination