CN106120810B - Anti-collapse protective device in a kind of hole - Google Patents
Anti-collapse protective device in a kind of hole Download PDFInfo
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- CN106120810B CN106120810B CN201610705016.1A CN201610705016A CN106120810B CN 106120810 B CN106120810 B CN 106120810B CN 201610705016 A CN201610705016 A CN 201610705016A CN 106120810 B CN106120810 B CN 106120810B
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- crater wall
- wall backplate
- backplate
- vertical rails
- hole
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
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Abstract
The invention discloses anti-collapse protective devices in a kind of hole, including the first crater wall backplate, the second crater wall backplate and branch to be set to the transversal stretching bar group between the first crater wall backplate and the second crater wall backplate；The first end of the transversal stretching bar group is vertically slidedly arranged on the first crater wall backplate, and the first end of the transversal stretching bar group is equipped with the first lock piece after sliding in place with the first crater wall backplate mutually locking；The second end of the transversal stretching bar group is vertically slidedly arranged on the second crater wall backplate, and the second end of the transversal stretching bar group is equipped with the second lock piece after sliding in place with the second crater wall backplate mutually locking.The present invention is set to transversal stretching bar group between the two by using the first crater wall backplate, the second crater wall backplate and branch, is combined into the protective zone of a relative closure, construction environment in the hole of a safety and stability is provided for construction personnel.
Description
Technical field
The present invention relates to anti-collapse protective devices in the realm of building construction more particularly to a kind of hole.
Background technology
All the time, either government department or construction enterprises, to the requirement all right and wrong kept the safety in production in construction
Chang Yange.In all kinds of engineering construction early periods, especially earthwork stage, it is frequently present of and needs to verify underground situation using test pit, or
The case where excavating the structure positions such as deeper elevator and cushion cap foundation according to design requirement needs to excavate a smaller depth
Hole, depth are usually up to 2m or more, and personnel when operation, face the wind that the larger earthwork is caved in and top object falls in hole
Danger.No matter general traditional safeguard procedures are all extremely difficult to require from safety, practicability and economy.
Invention content
Technical problem to be solved by the invention is to provide anti-collapse protective devices in a kind of hole, protect operation people in dell
Member prevents side wall from caving in, easy for installation, the regularization device that can be had enough to meet the need.
To realize above-mentioned technique effect, the invention discloses anti-collapse protective devices in a kind of hole, including the first crater wall to protect
Plate, the second crater wall backplate and branch are set to the transversal stretching bar group between the first crater wall backplate and the second crater wall backplate；
The first end of the transversal stretching bar group is vertically slidedly arranged on the first crater wall backplate, and the first end of the transversal stretching bar group
It is equipped with the first lock piece with the first crater wall backplate mutually locking after sliding in place；The of the transversal stretching bar group
Two ends are vertically slidedly arranged on the second crater wall backplate, and the second end of the transversal stretching bar group be equipped with after sliding in place with
Second lock piece of the second crater wall backplate mutually locking.
Anti-collapse protective device is further improved and is in the hole, and it is vertical that the first crater wall backplate is equipped with first
The first end of sliding rail, the transversal stretching bar group is equipped with the first sliding block, and first sliding block is slidedly arranged on first vertical rails
It is interior.
Anti-collapse protective device is further improved and is in the hole, and first lock piece is to be inserted in described first
The first plug connector on sliding block is offered in first vertical rails and is plugged for first plug connector and fixed multiple the
One spliced eye.
Anti-collapse protective device is further improved and is in the hole, and first vertical rails are U-shaped sliding rail, multiple
First spliced eye is spaced apart two flanks set on first vertical rails along the length direction of first vertical rails
On plate.
Anti-collapse protective device is further improved and is in the hole, and it is vertical that the second crater wall backplate is equipped with second
The second end of sliding rail, the transversal stretching bar group is equipped with the second sliding block, and second sliding block is slidedly arranged on second vertical rails
It is interior.
Anti-collapse protective device is further improved and is in the hole, and second lock piece is to be inserted in described second
The second plug connector on sliding block is offered in second vertical rails and is plugged for second plug connector and fixed multiple the
Two spliced eyes.
Anti-collapse protective device is further improved and is in the hole, and second vertical rails are U-shaped sliding rail, multiple
Second spliced eye is spaced apart two flanks set on second vertical rails along the length direction of second vertical rails
On plate.
Anti-collapse protective device is further improved and is in the hole, and the transversal stretching bar group includes：
The first end of intermediate barrel bolt, the intermediate barrel bolt is equipped with the first locating piece, and the second end of the intermediate barrel bolt is equipped with
Second locating piece；
First sleeve is connected to first sliding block and is sheathed on the first end of the intermediate barrel bolt, the first sleeve
On offer and plugged and fixed multiple first positioning holes for first locating piece；And
Second casing is connected to second sliding block and is sheathed on the second end of the intermediate barrel bolt, second casing
On offer and plugged and fixed multiple second location holes for second locating piece.
Anti-collapse protective device is further improved and is in the hole, the first crater wall backplate and second crater wall
Backplate is U-shaped, and the open side of the first crater wall backplate and the open side of the second crater wall backplate are oppositely arranged, and described first
Vertical rails are set on the end face of the open side of the first crater wall backplate, and second vertical rails are set to second crater wall
On the end face of the open side of backplate.
Anti-collapse protective device is further improved and is in the hole, the bottom of the first crater wall backplate and described the
The bottom of two crater wall backplates is equipped with slot, and the top of the top of the first crater wall backplate and the second crater wall backplate, which is equipped with, to be supplied
The plate connecting is plugged with the slot of neighbouring the first crater wall backplate and the second crater wall backplate.
The present invention makes it have following advantageous effect as a result of above technical scheme：It is protected by using the first crater wall
Plate, the second crater wall backplate and branch are set to transversal stretching bar group between the two, are combined into the protective zone of a relative closure, are
Construction personnel provides construction environment in the hole of a safety and stability；The hole that transversal stretching bar group can actually be excavated according to scene is wide
It spends to determine bearing length, also, the both ends of transversal stretching bar group are slidedly arranged on the first crater wall backplate and the second hole of both sides respectively
On wall backplate, the quantity and bearing height of transversal stretching bar group can be determined according to hole depth；, assembling wide with use scope
It is convenient, securely and reuse can be had enough to meet the need, the security risk of engineering excavation small area dell can be efficiently solved, had
Higher promotional value.
Description of the drawings
Fig. 1 is the structural schematic diagram of anti-collapse protective device in a kind of hole of the present invention.
Fig. 2 is the structural schematic diagram of the transversal stretching bar group of anti-collapse protective device in a kind of hole of the present invention.
Fig. 3 is the vertical assembled schematic diagram of anti-collapse protective device in a kind of hole of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific implementation mode the present invention is described in further detail.
Anti-collapse protective device is related to early period of constructing in present invention hole, and test pit construction (digs a smaller dell, verifies ground
Lower layout, the method for pipeline) or locally deep pit (such as elevator, dell cushion cap foundation excavate) during, personnel are in hole bottom application
Anti-collapse protective device during work.It is wide with use scope, easy to assembly, securely and can have enough to meet the need reuse etc.
A little, the security risk of engineering excavation small area dell can be efficiently solved.
First, as shown in fig.1, anti-collapse protective device is mainly by one first crater wall backplate 11,1 the in present invention hole
Two crater wall backplates 12 and branch are set to multiple transversal stretching bar groups between the first crater wall backplate 11 and the second crater wall backplate 12
13 compositions, under the support of transversal stretching bar group 13 so that enclosed between the first crater wall backplate 11 and the second crater wall backplate 12
If forming the protective zone of a relative closure, the personnel to construct in hole provide the construction environment of a safety and stability.
Wherein, the first crater wall backplate 11 and the second crater wall backplate 12 use two blocks of sandwich steel plates of symmetrical U-shaped band rib, transversal
Face is U-shaped, is respectively provided with an open side and a closed side, and closed side is a steel facing, and open side is two wing plates.First crater wall is protected
The open side of plate 11 and the open side of the second crater wall backplate 12 are oppositely arranged, and transversal stretching bar group 13 is set to first crater wall and protects
Between the open side of plate 11 and the open side of the second crater wall backplate 12, to form the protective zone of relative closure.First crater wall
The closed side of backplate 11 and the closed side of the second crater wall backplate 12 are resisted against the vertical cross section (stress of test pit or locally deep pit both sides
Larger, dangerous direction), supporting is carried out to crater wall, prevents crater wall from caving in and threatens the personnel for cheating interior operation.
Coordinate shown in Fig. 2, transversal stretching bar group 13 uses the adjustable structure of lateral length, can according to practical test pit or
The lateral length of the width adjusting transversal stretching bar group 13 of locally deep pit is supported on the first crater wall backplate 11 and second hole of both sides
Between wall backplate 12, play cross-brace and lateral adjustments, to adapt to the test pit or locally deep pit of different width dimensions,
Resist test pit or locally deep pit the first crater wall of crater wall pair backplate 11 and the second crater wall backplate 12 to protective zone internal direction
Power of toppling, prevent crater wall from caving in.
The general telescopic rod that can be slided and position relatively can be selected in transversal stretching bar group 13, in the present embodiment, laterally
Telescopic rod group 13 is made of intermediate barrel bolt 130, first sleeve 131 and the second casing 132, as shown in Fig. 2, the intermediate barrel bolt 130
It can be hollow body or the solid body of rod, not influence its effectiveness.It is fixed to be equipped with first for first end of barrel bolt 130 among this
Position part 133, second end of barrel bolt is equipped with the second locating piece 134 among this.First sleeve 131 is arranged and slides on intermediate barrel bolt
130 first end, the second casing 132 are arranged and slide on the second end of intermediate barrel bolt 130.It is offered in first sleeve 131
It is plugged for the first locating piece 133 in 130 first end of intermediate barrel bolt and fixed multiple first positioning holes, in first sleeve 131
After the sliding in place of intermediate barrel bolt 130, the first locating piece 133 is plugged and is fixed in the first positioning hole of corresponding position, into
Row positioning.It offers and is plugged for the second locating piece 134 in 130 second end of intermediate barrel bolt and fixed on the second casing 132
Second locating piece 134 is plugged and is fixed in the second casing 132 with after the intermediate sliding in place of barrel bolt 130 by multiple second location holes
In the second location hole of corresponding position, positioned.To realize transversal stretching bar group lateral length adjusting and adjusting
Fixation after in place.
Wherein, horizontal fixing bolt can be used in the first locating piece 133 and the second locating piece 134, at the both ends of intermediate barrel bolt 130
Keyhole is opened up, to plug the first locating piece 133 of installation and the second locating piece 134.
Further, the first end of transversal stretching bar group 13 is vertically slidedly arranged on the first crater wall backplate 11, transversal stretching bar
The second end of group 13 is vertically slidedly arranged on the second crater wall backplate 12 of offside, also, is set in the first end of transversal stretching bar group 13
Have after sliding in place with the first lock piece 16 of 11 mutually locking of the first crater wall backplate, in the second end of transversal stretching bar group 13
Equipped with the second lock piece 17 with the second crater wall backplate mutually locking after sliding in place so that transversal stretching bar group 13 being capable of edge
First crater wall backplate 11 and the second crater wall backplate 12 are vertically movable, the bearing height of adjustment transversal stretching bar group 13, and are moving
After moving in place, the first crater wall shield of first lock piece 16 and the second lock piece 17 and both sides at 13 both ends of transversal stretching bar group is utilized
Plate 11 and the second crater wall backplate 12 are locked, fixed lateral telescopic rod group 13.To realize the transverse direction of transversal stretching bar group 13
And adjusting and support in vertical both direction, bilaterally adjustable support construction is constituted, it can be according to test pit in practice of construction or office
The cross-brace length of the width requirement adjustment transversal stretching bar group 13 of portion's dell, and can be according to the test pit or locally deep pit
Depth, to configure the transversal stretching bar group 13 of respective numbers and height.
In the present embodiment, using the first vertical rails 14 are arranged on the first crater wall backplate 11, in transversal stretching bar group
The first sliding block 18 is arranged in 13 first end, and first sliding block 18 is made to be slidedly arranged in first vertical rails 14, is laterally stretched with realizing
Opposite sliding between the first end of contracting bar group 13 and the first crater wall backplate 11；It is arranged second using on the second crater wall backplate 12
Vertical rails 15, transversal stretching bar group 13 second end be arranged the second sliding block 19, make second sliding block 19 be slidedly arranged on this second
Vertical rails 15, to realize the opposite sliding between the second end of transversal stretching bar group 13 and the second crater wall backplate 12.
As shown in Figure 1, the first sliding block 18 is connected to the first sleeve 131 of transversal stretching bar group 13, the connection of the second sliding block 19
In the second casing 132 of transversal stretching bar group 13.First sliding block 18 and second sliding block 19 are movable belt eye end.First
Lock piece 16 is the first plug connector being inserted on the first sliding block 18, is offered in the first vertical rails 14 for first plug connector
It plugs and fixed multiple first spliced eyes.Wherein, which is U-shaped sliding rail, and multiple first spliced eyes are along the
The length direction of one vertical rails is spaced apart in the wing plates on two sides of first vertical rails 14.First plug connector can be vertical
Fixing bolt offers keyhole on the first sliding block 18, so that vertical fixing bolt plugs installation.Second lock piece 17 is to be inserted in second
The second plug connector on sliding block 19 is offered in second vertical rails 15 and is plugged for second plug connector and fixed multiple second
Spliced eye.Wherein, which is U-shaped sliding rail, length direction of multiple second spliced eyes along the second vertical rails
It is spaced apart in the wing plates on two sides of second vertical rails 15.Second plug connector can be vertical fixing bolt, on the second sliding block 19
Keyhole is offered, so that vertical fixing bolt plugs installation.
Preferably to support the first U-shaped crater wall backplate 11 and the second U-shaped crater wall backplate 12, in the first crater wall backplate 11
It is perpendicular with the first vertical rails 14 and second have been symmetrical arranged in the inwall of vertical of two wing plates of the open side of the second crater wall backplate 12
To sliding rail 15, and two first vertical rails 14 of both sides and two second vertical rails 15 correspond, and it is good right to play
Claim the effect of support, improves the stability of strutting system between the first crater wall backplate 11 and the second crater wall backplate 12, reach preferable hole
The anti-collapse effect of wall.
The present invention hole in anti-collapse protective device be generally used for small area (within 15 ㎡ of area) dell (height 5m with
It is interior) excavate in, when dell is shallower, the anti-collapse of crater wall can be realized using anti-collapse protective device in one group of hole.Work as dell
Depth it is larger when, the folded mode set up and down of anti-collapse protective device in multigroup hole can be used, supporting is carried out to deeper dell.
In design, the bottom preset slot 20 in the bottom of the first crater wall backplate 11 and the second crater wall backplate 12, correspondingly, first
The top preset of the top of crater wall backplate 11 and the second crater wall backplate 12 supplies and the first neighbouring crater wall backplate 11 and second
The slot 20 of crater wall backplate 12 plugs the plate 21 of connection, is connect, is carried out in multigroup hole with plugging for plate 21 using slot 20
Anti-collapse protective device it is upper and lower tired folded, to meet the supporting height requirement of the dell in practice of construction.It is not easy to operation, it can incite somebody to action
Slot 20 and plate 21 are correspondingly arranged at the wing plates on two sides of the first U-shaped crater wall backplate 11 and the second U-shaped crater wall backplate 12
Bottom and top.
Further, it is equipped with platform sling 22 on the first crater wall backplate 11 and the second crater wall backplate 12, is used for the first crater wall
In backplate 11 and the lifting to test pit or locally deep pit of the second crater wall backplate 12, which may be provided at U-shaped the first crater wall shield
The angular position of the bottom plate and wing plate of plate 11 and the second U-shaped crater wall backplate 12.The first U-shaped crater wall backplate 11 and U-shaped
The top of the angular position of two crater wall backplates 12 is equipped with deep floor 23, and platform sling 22 is vertically arranged, and lifting hole(eyelet) is opened up on platform sling 22, and
The top of platform sling 22 is welded on deep floor 23, to reinforce platform sling 22 and the first crater wall backplate 11 and the second crater wall backplate 12
Bonding strength, avoid platform sling 22 from falling off.
Anti-collapse protective device is set to the two by using the first crater wall backplate, the second crater wall backplate and branch in present invention hole
Between transversal stretching bar group, be combined into the protective zone of a relative closure, safety and stability provided for construction personnel
Construction environment in hole；Transversal stretching bar group can determine bearing length according to the width of cave entrance that scene is actually excavated, also, laterally
The both ends of telescopic rod group are slidedly arranged on respectively on the first crater wall backplate and the second crater wall backplate of both sides, can be according to hole depth come really
Determine the quantity and bearing height of transversal stretching bar group；It is wide with use scope, easy to assembly, securely and repetition can be had enough to meet the need make
With, the security risk of engineering excavation small area dell can be efficiently solved, have higher promotional value.
It installs in the following manner and using anti-collapse protective device in present invention hole：
U-shaped the first crater wall backplate 11 and the thickness of the second U-shaped crater wall backplate 12 and the arrangement of sandwich rib are according to reality
The operating condition setting (depth and soil property situation) of support, the first crater wall backplate 11 and the second crater wall backplate 12 can be 2 meters by length,
Highly 1 meter setting.First crater wall backplate 11 and 12 closed side of the second crater wall backplate are usually corresponded to the vertical cross section (stress of dell
Larger, dangerous direction) it places, the other two wing plate side of open side is for people with being advanced into, and other side gap section is due to having
The presence of transversal stretching component can place plank sheathing supporting and retaining system according to actual needs.
When mounted, platform sling 22 is connected with crane, two pieces of thickness 3mm, centre is with ribbing, U-shaped the first of overall thickness 5cm
Crater wall backplate 11 and the second U-shaped crater wall backplate 12 cheat bottom along the tripping in of dell side, and operating personnel is moveable first sliding block
Fixable position is moved in the first vertical rails and the second vertical rails (need are selected according to the depth in hole with the second sliding block
The quantity of fixed lateral telescopic component), the first sliding block and the second sliding block are positioned with vertical fixing bolt, fastening.Pass through adjusting again
In-between barrel bolt is inserted into the first sleeve and the second casing at both ends, after being adjusted to suitable position, uses water by transversal stretching component
Flat fixing bolt positioning, fastening.So far, the anti-collapse device combination of the dell operation of a 1m depth is fixed completes.Then according to hole
The slot 20 of next group of the first crater wall backplate and the second crater wall backplate is directed at lower section so that installation is complete first by depth with crane
The plate 21 of crater wall backplate and the second crater wall backplate, plate 21 and slot 20 plug fixation, using above-mentioned same mode by two
Block the first crater wall backplate and the second crater wall backplate level are fixedly connected, as shown in Figure 3.
Points for attention：The supporting surface of the first crater wall backplate and the second crater wall backplate in tripping in hole corresponds to the vertical disconnected of dell
Face (larger, the dangerous direction of stress) is placed, and in addition both sides side is for people with being advanced into, and other side gap section is due to there is steel pipe
Whether the presence of support can place plank sheathing supporting and retaining system according to actual needs.
Anti-collapse protective device has rigidity big in present invention hole, and safety coefficient is high, and lifting is convenient, quick-moving in operation, fixed
Type metaplasia is produced, repeatable the features such as being used in turn, and provides great guarantee to the safety of dell construction, has higher push away
Wide value.
It is described the invention in detail above in association with accompanying drawings and embodiments, those skilled in the art can basis
Above description makes many variations example to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention,
The present invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (7)
1. anti-collapse protective device in a kind of hole, it is characterised in that：It is set to including the first crater wall backplate, the second crater wall backplate and branch
Transversal stretching bar group between the first crater wall backplate and the second crater wall backplate；The first end of the transversal stretching bar group
Vertically be slidedly arranged on the first crater wall backplate, and the first end of the transversal stretching bar group be equipped with after sliding in place with it is described
First lock piece of the first crater wall backplate mutually locking；The second end of the transversal stretching bar group is vertically slidedly arranged on second hole
Wall backplate, and the second end of the transversal stretching bar group is equipped with after sliding in place and the second crater wall backplate mutually locking
The second lock piece；
Wherein, the first crater wall backplate is equipped with the first vertical rails, and the first end of the transversal stretching bar group is equipped with first
Sliding block, first sliding block are slidedly arranged in first vertical rails；
First lock piece is the first plug connector being inserted on first sliding block, is offered in first vertical rails
It is plugged for first plug connector and fixed multiple first spliced eyes；
The second crater wall backplate is equipped with the second vertical rails, and the second end of the transversal stretching bar group is equipped with the second sliding block,
Second sliding block is slidedly arranged in second vertical rails.
2. anti-collapse protective device in hole as described in claim 1, it is characterised in that：First vertical rails are U-shaped cunning
Rail, multiple first spliced eyes are spaced apart along the length direction of first vertical rails set on first vertical rails
In wing plates on two sides.
3. anti-collapse protective device in hole as described in claim 1, it is characterised in that：Second lock piece is is inserted in
The second plug connector on the second sliding block is stated, offers in second vertical rails and is plugged and fixed for second plug connector
Multiple second spliced eyes.
4. anti-collapse protective device in hole as claimed in claim 3, it is characterised in that：Second vertical rails are U-shaped cunning
Rail, multiple second spliced eyes are spaced apart along the length direction of second vertical rails set on second vertical rails
In wing plates on two sides.
5. anti-collapse protective device in hole as described in claim 1, which is characterized in that the transversal stretching bar group includes：
The first end of intermediate barrel bolt, the intermediate barrel bolt is equipped with the first locating piece, and the second end of the intermediate barrel bolt is equipped with second
Locating piece；
First sleeve is connected to first sliding block and is sheathed on the first end of the intermediate barrel bolt, opened in the first sleeve
Equipped with being plugged and fixed multiple first positioning holes for first locating piece；And
Second casing is connected to second sliding block and is sheathed on the second end of the intermediate barrel bolt, opened on second casing
Equipped with being plugged and fixed multiple second location holes for second locating piece.
6. anti-collapse protective device in hole as described in claim 1, it is characterised in that：The first crater wall backplate and described
Two crater wall backplates are U-shaped, and the open side of the first crater wall backplate and the open side of the second crater wall backplate are oppositely arranged, institute
The first vertical rails are stated on the end face of the open side of the first crater wall backplate, second vertical rails are set to described the
On the end face of the open side of two crater wall backplates.
7. anti-collapse protective device in hole as described in claim 1, it is characterised in that：The bottom of the first crater wall backplate and
The bottom of the second crater wall backplate is equipped with slot, the top at the top of the first crater wall backplate and the second crater wall backplate
Equipped with for plugging the plate connecting with the slot of neighbouring the first crater wall backplate and the second crater wall backplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705016.1A CN106120810B (en) | 2016-08-22 | 2016-08-22 | Anti-collapse protective device in a kind of hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705016.1A CN106120810B (en) | 2016-08-22 | 2016-08-22 | Anti-collapse protective device in a kind of hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106120810A CN106120810A (en) | 2016-11-16 |
| CN106120810B true CN106120810B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705016.1A Active CN106120810B (en) | 2016-08-22 | 2016-08-22 | Anti-collapse protective device in a kind of hole |
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| CN (1) | CN106120810B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356164A (en) * | 2018-10-30 | 2019-02-19 | 安溪起星晟汇机械科技有限公司 | The deep basal pit safety guard of construction |
| CN111926825B (en) * | 2020-08-07 | 2022-07-19 | 山东省机械施工有限公司 | Civil construction foundation ditch support device that prevents collapsing |
| CN113216185B (en) * | 2021-05-07 | 2022-07-01 | 岳阳鹏程建设集团有限公司 | Foundation building mortar injection equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030420A (en) * | 2007-07-25 | 2009-02-12 | Miyako Kensetsu:Kk | Handrail for deep foundation |
| CN202913417U (en) * | 2012-11-22 | 2013-05-01 | 纪万斌 | Collapse pit emergency rescue support device |
| CN203834488U (en) * | 2014-04-25 | 2014-09-17 | 陈柏海 | Building foundation pit supporting structure |
| CN204252144U (en) * | 2014-09-28 | 2015-04-08 | 中国石油天然气股份有限公司 | Excavation operating pit anti-collapse device |
| CN204343300U (en) * | 2014-11-25 | 2015-05-20 | 国网河南省电力公司驻马店供电公司 | A kind of power transmission line foundation pit excavation steel baffle system |
| CN206052729U (en) * | 2016-08-22 | 2017-03-29 | 中国建筑第八工程局有限公司 | Anti-collapse protection device in a kind of hole |
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- 2016-08-22 CN CN201610705016.1A patent/CN106120810B/en active Active
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| CN106120810A (en) | 2016-11-16 |
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