CN110359514A - A kind of backfill hopper wagon - Google Patents
A kind of backfill hopper wagon Download PDFInfo
- Publication number
- CN110359514A CN110359514A CN201910698178.0A CN201910698178A CN110359514A CN 110359514 A CN110359514 A CN 110359514A CN 201910698178 A CN201910698178 A CN 201910698178A CN 110359514 A CN110359514 A CN 110359514A
- Authority
- CN
- China
- Prior art keywords
- backfill
- string pipe
- wheel
- funnel
- wheel shaft
- 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
Links
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 16
- 238000011068 loading method Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 4
- 239000008358 core component Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
- E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The embodiment of the invention discloses a kind of backfill hopper wagons, including backfill funnel 1, movable pulley group and combined type string pipe；Backfilling funnel 1 is to be inverted truncated rectangular pyramids funnel；Movable pulley group include: 4 wheel shafts 2,4 adjustable wheel axles being separately positioned on 4 wheel shafts 2 buckle 3 and and 4 adjustable wheel axles buckle 3 connection 4 groups of grinding wheel groups；Combined type string pipe includes fixed string pipe 5；The lower section of backfill funnel 1 offers bell mouth 13, the fixed string pipe 5 of 13 lower weld of bell mouth.Wherein, core component of the removable hopper vehicle as foundation pit backfill operation, connects movable pulley group and combined type string pipe, it is ensured that backfill operation is convenient；Movable pulley group by the adjusting that adjustable wheel axle buckles play the role of according to different foundation pit sides and underground top board structure distance and height difference regulating wheel away from and wheel footpath；Combined type string pipe can accurately control backfill position, help to improve degree of being backfilling and compacted；Underground construction quality is improved, while helping to inhibit fugitive dust.
Description
Technical field
The present invention relates to the realm of building construction more particularly to a kind of backfill hopper wagons.
Background technique
Since house construction engineering construction site range at this stage is small and the more mature two perfect aspects of multiple material handling method of deep foundation pit
Factor causes deep basal pit fertilizer separation narrow, deep basal pit backfill especially graded sand and stone is backfilled, if inclining with conventional method
Method, graded sand and stone can cause broken dropped to live waterproof layer and insulating layer since dump position is excessively high；And due to not
Different with the self weight of partial size, conventional method backfill partial size design proportion not can guarantee, to influence to backfill compactness, backfill quality
Standard not can guarantee.Thus, it is badly in need of proposing a kind of backfill equipment to meet the backfill operation of the earthwork under narrow fertile slot operating condition.
Summary of the invention
In order to solve the above technical problems, solving deep basal pit backfill an embodiment of the present invention is intended to provide a kind of backfill hopper wagon
Fall native position
The technical scheme of the present invention is realized as follows:
A kind of backfill hopper wagon, the backfill hopper wagon include backfill funnel 1, movable pulley group and combined type string pipe；
The backfill funnel 1 is to be inverted truncated rectangular pyramids funnel；The movable pulley group includes: 4 wheel shafts 2, is separately positioned on institute
State 4 adjustable wheel axles buckle 3 on 4 wheel shafts 2 and 4 groups of grinding wheel groups with 4 adjustable wheel axles buckle, 3 connection；
4 wheel shafts 2 are arranged in two opposite sides of the backfill funnel 1 two-by-two, and the wheel shaft 2 passes through ring flange
12 and the backfill funnel 1 connection；The internal screw thread of the adjustable wheel axle buckle 3 and the external screw thread of the wheel shaft 2 are threadedly coupled, and are led to
It crosses and is spaced uniformly distributed hole bolt on plug-in type bolt stick 10 and the wheel shaft 2 and fixes；The adjustable wheel axle buckles 3 lower parts
Weld the grinding wheel group；
The combined type string pipe includes fixed string pipe 5；
The lower section of the backfill funnel 1 offers bell mouth 13, fixed string pipe described in 13 lower weld of bell mouth
5。
In above scheme, the grinding wheel group includes replaceable sand wheel disc 4 and wheel shaft connecting plate 11；The adjustable wheel axle buckle
Wheel shaft connecting plate 11 described in 3 lower welds, the replaceable sand wheel disc 4 are rotatably connected on the wheel shaft connecting plate 11.
In above scheme, the combined type string pipe further includes that can load and unload string pipe 6, fixed 5 lower nozzle of the string pipe setting
There is hanging ring 7；String 6 upper orifice of pipe that loads and unloads is provided with suspension hook 8, and the suspension hook 8 for loading and unloading string pipe 6 passes through described fixed
The hanging ring 7 of string pipe 5, so that the fixed string pipe 5 and the string pipe 6 that loads and unloads be connected.
In above scheme, it is described load and unload string pipe 6 be it is multiple, the lower nozzle for loading and unloading string pipe 6 is provided with described hang
Ring 7, multiple string pipes 6 that can load and unload are sequentially connected in such a way that suspension hook 8 passes through hanging ring 7.
In above scheme, the hanging ring 7 be it is multiple, around be set to the fixed string pipe 5 and it is described load and unload go here and there pipe 6
At lower nozzle 50mm；The suspension hook 8 be it is multiple, around being set to the string pipe 6 that can load and unload at upper orifice 50mm, with
The position of the hanging ring 7 is corresponding.
In above scheme, the bell mouth 13 is 8, and the diameter of each bell mouth 13 is 300mm, and the fixation
The upper orifice diameter of formula string pipe 5 and the diameter of the bell mouth 13 match.
In above scheme, the volume of the backfill funnel 1 is volume 120m3。
In above scheme, the length of the fixed string pipe 5 is 5m, the lower nozzle diameter, described of the fixed string pipe 5
The upper orifice and lower nozzle diameter that string pipe 6 can be loaded and unloaded are 280mm.
In above scheme, the uniformly distributed described hole bolt of 200mm is spaced on the wheel shaft 2, the length of the wheel shaft 2 is
1m。
In above scheme, the first side of the backfill funnel 1 is provided with bail 9, the first side and the wheel
Side where axis 2 is different.
Backfill hopper wagon provided in an embodiment of the present invention, including backfill funnel, movable pulley group and combined type string pipe；Backfill leakage
For bucket to be inverted truncated rectangular pyramids funnel wherein, core component of the removable hopper vehicle as foundation pit backfill operation plays connection movable pulley
The effect of group and combined type string pipe, hopper wagon opening width is according to existing loading machine width design, it is ensured that backfill operation is convenient.
Movable pulley group is played by the adjusting that adjustable wheel axle buckles according to different foundation pit sides and underground top board structure distance and height difference tune
Save the effect of wheelspan and wheel footpath.Combined type string pipe can accurately control backfill position, help to improve degree of being backfilling and compacted, and hinder
Non-return, which bankets to be scattered before dropping place, destroys outer wall of basement waterproof layer and insulating layer, improves underground construction quality, facilitates simultaneously
Inhibit fugitive dust.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of backfill hopper wagon provided in an embodiment of the present invention；
Fig. 2 is the funnel of backfill hopper wagon shown in Fig. 1 and the structural schematic diagram of movable pulley group；
Fig. 3 is the structural schematic diagram that can load and unload string pipe；
Fig. 4 is the side view of backfill hopper wagon use state provided in an embodiment of the present invention.
Appended drawing reference:
1: backfill funnel, 2: wheel shaft, 3: adjustable wheel shaft buckle, 4: replaceable sand wheel disc, 5: fixed string pipe, 6: can fill
Unload string pipe, 7: hanging ring, 8: suspension hook, 9: bail, 10: plug-in type bolt stick, 11: wheel shaft connecting plate, 12: ring flange, 13: funnel
Hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The adjustable graded sand and stone backfill combination string pipe hopper wagon of the axis wheel of the embodiment of the present invention, is applied for graded sand and stone backfill
Under the status for the implementation that work equipment field blank, backfill quality standard can not land, by mobile model hopper wagon to graded sand and stone
It precisely backfilled, guarantee that backfill partial size keeps design proportion by backfill string pipe, the self weight due to different-grain diameter will not occur
Construction quality that is different and influencing backfill compactness.
Fig. 1 is the structural schematic diagram of backfill hopper wagon provided in an embodiment of the present invention；Fig. 2 is that hopper wagon is backfilled shown in Fig. 1
Funnel and movable pulley group structural schematic diagram；As shown in Figure 1 and Figure 2: the embodiment of the present invention proposes a kind of backfill hopper wagon, returns
Filling out hopper wagon includes backfill funnel 1, movable pulley group and combined type string pipe；
Backfilling funnel 1 is to be inverted truncated rectangular pyramids funnel；Movable pulley group includes: 4 wheel shafts 2, is separately positioned on 4 wheel shafts 2
4 adjustable wheel axles buckle 3 and 4 groups of grinding wheel groups with 4 adjustable wheel axles buckle, 3 connection；
4 wheel shafts 2 are arranged in two opposite sides of backfill funnel 1 two-by-two, and wheel shaft 2 passes through ring flange 12 and backfill funnel
1 connection；The internal screw thread of adjustable wheel axle buckle 3 and the external screw thread of wheel shaft 2 are threadedly coupled, and pass through plug-in type bolt stick 10 and wheel shaft 2
The uniformly distributed hole bolt in upper interval is fixed；Adjustable wheel axle buckles grinding wheel group described in 3 lower welds；
The combined type string pipe includes fixed string pipe 5；
The lower section of the backfill funnel 1 offers bell mouth 13, fixed string pipe described in 13 lower weld of bell mouth
5。
Specifically, wherein backfill funnel 1 is that volume 120m3 is inverted truncated rectangular pyramids funnel.
Wheel shaft 2 has 4, length 1m, is separately positioned on two opposite sides of backfill funnel 1, wherein between one side
2 above-mentioned wheel shafts are set every predeterminated position, 2 above-mentioned wheel shafts are arranged in the corresponding position of another opposite flank.Wheel shaft 2 and backfill leakage
The struggle against position of 1 side connection is connected by ring flange 12.
Backfill funnel 1 and 4 piece 1m long wheel shaft 2 is connect using ring flange 12；Adjustable wheel shaft buckle 3 (inner surface screw threads) with
Wheel shaft 2 (outer surface thread) is threadedly coupled, by the uniformly distributed hole bolt of interval 200mm on plug-in type bolt stick 10 and wheel shaft
It is fixed；Adjustable wheel shaft buckles the replaceable grinding wheel group of 3 lower welds, and lower portion uniformly opens up bell mouth 13.
Specifically, being spaced the uniformly distributed hole bolt of 200mm on wheel shaft 2, the length of the wheel shaft 2 is 1m.Pass through left and right
Adjust wheel shaft buckle, can according to different foundation pit sides and underground top board structure distance and height difference regulating wheel away from and wheel footpath.
Combined type string pipe includes fixed string pipe 5, and the lower section of backfill funnel 1 offers bell mouth 13,13 lower part of bell mouth
Weld the fixed string pipe 5.
Further, grinding wheel group is made of replaceable sand wheel disc 4 and wheel shaft connecting plate 11.Adjustable wheel axle buckle and grinding wheel group
Connection type specifically: adjustable wheel axle buckle 3 lower weld wheel shaft connecting plates 11, replaceable sand wheel disc 4 is rotatably connected
On the wheel shaft connecting plate 11, connecting rod is arranged in specific rotating manner between replaceable sand wheel disc 4 and wheel shaft connecting plate 11, even
Extension bar connects the axle center of replaceable sand wheel disc 4, and replaceable sand wheel disc 4 is rotated centered on axle center.
Specifically, the quantity of bell mouth 13 is 8, diameter 300mm.
The mobile backfill hopper wagon of the adjustable graded sand and stone combination string pipe of the wheel shaft of the embodiment of the present invention is by hopper wagon, movable pulley
Group and combined type backfill string pipe three parts collectively form.Wherein, core component of the removable hopper vehicle as foundation pit backfill operation, rises
The effect of connection movable pulley group and combined type string pipe is arrived, hopper wagon opening width can be protected according to existing loading machine width design
Card backfill operation is convenient.
Movable pulley group is played by the adjusting that adjustable wheel axle buckles according to different foundation pit sides and underground top board structure distance
With height difference regulating wheel away from the effect with wheel footpath.
The mobile power resources of hopper wagon act on the bending of C14 steel using the traction of the earthwork machines such as excavator, loading machine
The bail 9 being made, bail 9 are arranged on a side of backfill funnel 1, which is different from 2 place of wheel shaft
Side.
Combined type string pipe can accurately control backfill position, help to improve degree of being backfilling and compacted, and backfill is prevented to exist
It is scattered before dropping place and destroys outer wall of basement waterproof layer and insulating layer, improve underground construction quality, while helping to inhibit fugitive dust.This
The mobile backfill hopper wagon of the adjustable graded sand and stone combination string pipe of kind wheel shaft designs rationally, and use is safe.
As shown in Figure 1, combined type string pipe further includes that can load and unload string pipe 6, fixed 5 lower nozzle of string pipe is provided with hanging ring 7；It can
Handling string 6 upper orifice of pipe is provided with suspension hook 8, and the suspension hook 8 that can load and unload string pipe 6 passes through the hanging ring 7 of fixed string pipe 5, to will consolidate
Fixed pattern string pipe 5 is connected with that can load and unload string pipe 6.
Fig. 3 is the structural schematic diagram that can load and unload string pipe；As shown in figure 3, can load and unload string pipe 6 be it is multiple, string pipe 6 can be loaded and unloaded
Lower nozzle is provided with hanging ring 7, and multiple string pipes 6 that load and unload are sequentially connected in such a way that suspension hook 8 passes through hanging ring 7.Hanging ring 7 is more
It is a, pipe 6 is gone here and there at lower nozzle 50mm around being set to fixed string pipe 5 and can load and unload；Suspension hook 8 be it is multiple, around being set to
String pipe 6 can be loaded and unloaded at upper orifice 50mm, it is corresponding with the position of hanging ring 7.
Specifically, combined type string pipe uses suspension hook to connect with hanging ring by fixing backfill filler tube with that can load and unload backfill string pipe,
Since 5 meters are deep basal pit defining standard, 5 meters of fixed string pipes 5 are designed.When backfill depth is larger, using fixed string
Pipe lower part add one by one can load and unload string pipe mode reduce backfill drop.Combined type string pipe design content: volume 120m3It is inverted four
1 lower part of terrace with edge funnel uniformly opens up 8 300mm bell mouths 13；Each fixed string pipe 5 of bell mouth lower weld 5m, it is fixed
The upper orifice diameter of string pipe 5 and the diameter of bell mouth 13 match, as 300mm；Fixed string pipe 5 is apart from the position lower mouth 50mm
Around string pipe pendant 7 is set, fixed string pipe 5 uses suspension hook 8 to be attached thereto with that can load and unload string pipe 6.Hopper wagon moves power resources
Bail 9 is acted on using earthwork machines such as excavator, loading machines.
When backfill depth is larger, string pipe can be loaded and unloaded and connect using suspension hook and hanging ring with fixed string pipe, adding one by one can
The mode of handling string pipe 6 reduces backfill drop.It is fixed string pipe 5 length be 5m, it is fixed string pipe 5 lower nozzle diameter, can
The upper orifice and lower nozzle diameter of handling string pipe 6 are 280mm.
Fixed string pipe lower part is added one by one can load and unload backfill string pipe, can reduce backfill drop, be accurately controlled backfill position
It sets.
As shown in figure 4, this patent use state facade effect is illustrated.The effect of the earthwork machines such as excavator, loading machine
It is mobile in foundation pit fertilizer slot two sides in the traction of the bail 9 backfill hopper wagon on backfill hopper wagon, complete the horizontal fortune along foundation pit
It is defeated.By toppling over backfill in backfill funnel, backfill pours into foundation pit by combined type string pipe.The hopper wagon device is suitable for
Side slope and the small-pitch foundation pit stemming operation of underground structure, reach reduce backfill drop, keep graded sand and stone mixing ratio,
Gradation backfill is reduced to outer wall of basement waterproof layer and heat preservation damage layer, the effect for inhibiting dust pollution, facilitates making for people
With.The adjustable graded sand and stone backfill combination string pipe hopper wagon of the axis wheel of the embodiment of the present invention uses safe, environmentally protective.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of backfill hopper wagon, which is characterized in that the backfill hopper wagon includes backfill funnel (1), movable pulley group and combination
Formula string pipe；
The backfill funnel (1) is to be inverted truncated rectangular pyramids funnel；The movable pulley group includes: 4 wheel shafts (2), is separately positioned on institute
State 4 adjustable wheel axles buckle (3) on 4 wheel shafts (2) and 4 groups of grinding wheels with 4 adjustable wheel axles buckle (3) connection
Group；
4 wheel shafts (2) are arranged in two opposite sides of backfill funnel (1) two-by-two, and the wheel shaft (2) passes through flange
Disk (12) and the backfill funnel (1) connection；The internal screw thread of the adjustable wheel axle buckle (3) and the external screw thread of the wheel shaft (2)
It is threadedly coupled, is fixed by being spaced uniformly distributed hole bolt on plug-in type bolt stick (10) and the wheel shaft (2)；It is described can
Adjust grinding wheel group described in wheel shaft buckle (3) lower weld；
The combined type string pipe includes fixed string pipe (5)；
It is offered bell mouth (13) below the backfill funnel (1), fixed string described in bell mouth (13) lower weld
It manages (5).
2. backfill hopper wagon according to claim 1, which is characterized in that the grinding wheel group includes replaceable sand wheel disc (4)
With wheel shaft connecting plate (11)；Wheel shaft connecting plate (11) described in described adjustable wheel axle buckle (3) lower weld, the replaceable grinding wheel
Disk (4) is rotatably connected on the wheel shaft connecting plate (11).
3. backfill hopper wagon according to claim 1, which is characterized in that the combined type string pipe further includes that can load and unload string pipe
(6), described fixed string pipe (5) lower nozzle is provided with hanging ring (7)；Described string pipe (6) upper orifice that loads and unloads is provided with suspension hook
(8), the suspension hook (8) for loading and unloading string pipe (6) passes through the hanging ring (7) of the fixed string pipe (5), thus by described fixed
String pipe (5) and the string pipe (6) that loads and unloads connect.
4. backfill hopper wagon according to claim 3, which is characterized in that it is described load and unload string pipe (6) be it is multiple, it is described can
The lower nozzle of handling string pipe (6) is provided with the hanging ring (7), multiple described to load and unload string pipe (6) and pass through hanging ring by suspension hook (8)
(7) mode is sequentially connected.
5. backfill hopper wagon according to claim 4, which is characterized in that the hanging ring (7) be it is multiple, around being set to institute
Fixed string pipe (5) and the string pipe (6) that loads and unloads are stated at lower nozzle 50mm；The suspension hook (8) is multiple, circular setting
It is corresponding with the position of the hanging ring (7) in the string pipe (6) that loads and unloads at upper orifice 50mm.
6. described in any item backfill hopper wagons according to claim 1~5, which is characterized in that the bell mouth (13) is 8,
The diameter of each bell mouth (13) be 300mm, and it is described it is fixed string pipe (5) upper orifice diameter and the bell mouth
(13) diameter matches.
7. described in any item backfill hopper wagons according to claim 1~5, which is characterized in that the volume of backfill funnel (1)
For volume 120m3。
8. described in any item backfill hopper wagons according to claim 1~5, which is characterized in that the length of the fixed string pipe (5)
Degree is 5m, lower nozzle diameter, the upper orifice and lower nozzle diameter for loading and unloading string pipe (6) of the fixed string pipe (5)
It is 280mm.
9. described in any item backfill hopper wagons according to claim 1~5, which is characterized in that be spaced on the wheel shaft (2)
The uniformly distributed described hole bolt of 200mm, the length of the wheel shaft (2) are 1m.
10. backfill hopper wagon according to claim 1, which is characterized in that the first side setting of backfill funnel (1)
Have bail (9), the first side is different from the side where the wheel shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698178.0A CN110359514A (en) | 2019-07-30 | 2019-07-30 | A kind of backfill hopper wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698178.0A CN110359514A (en) | 2019-07-30 | 2019-07-30 | A kind of backfill hopper wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110359514A true CN110359514A (en) | 2019-10-22 |
Family
ID=68221668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698178.0A Pending CN110359514A (en) | 2019-07-30 | 2019-07-30 | A kind of backfill hopper wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359514A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519681A (en) * | 2020-04-02 | 2020-08-11 | 中建四局第六建设有限公司 | Tool and method for backfilling fertilizer groove of deep foundation pit |
| CN113846655A (en) * | 2021-10-12 | 2021-12-28 | 中国建筑第八工程局有限公司 | Conveying device suitable for backfill blanking of narrow ultra-deep foundation trench |
| CN113882399A (en) * | 2021-11-16 | 2022-01-04 | 中建八局第二建设有限公司 | Adjustable backfill device for narrow fertilizer groove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206052719U (en) * | 2016-08-31 | 2017-03-29 | 中国建筑第八工程局有限公司 | The scalable dual-caliber combination string tubular construction of foundation ditch concreting |
| CN109537664A (en) * | 2018-12-06 | 2019-03-29 | 安徽省人防建筑设计研究院 | A kind of civil air defense constructions and installations building backfilling apparatus |
| DE102018201077B3 (en) * | 2018-01-24 | 2019-05-16 | HGS Hirschfelder Greifer- und Stahlbau GmbH | Device for profile-controlled drilling and filling of pipe and cable trenches |
| CN210658503U (en) * | 2019-07-30 | 2020-06-02 | 中建城市建设发展有限公司 | Backfill hopper car |
-
2019
- 2019-07-30 CN CN201910698178.0A patent/CN110359514A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206052719U (en) * | 2016-08-31 | 2017-03-29 | 中国建筑第八工程局有限公司 | The scalable dual-caliber combination string tubular construction of foundation ditch concreting |
| DE102018201077B3 (en) * | 2018-01-24 | 2019-05-16 | HGS Hirschfelder Greifer- und Stahlbau GmbH | Device for profile-controlled drilling and filling of pipe and cable trenches |
| CN109537664A (en) * | 2018-12-06 | 2019-03-29 | 安徽省人防建筑设计研究院 | A kind of civil air defense constructions and installations building backfilling apparatus |
| CN210658503U (en) * | 2019-07-30 | 2020-06-02 | 中建城市建设发展有限公司 | Backfill hopper car |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519681A (en) * | 2020-04-02 | 2020-08-11 | 中建四局第六建设有限公司 | Tool and method for backfilling fertilizer groove of deep foundation pit |
| CN111519681B (en) * | 2020-04-02 | 2021-11-16 | 中建四局第六建设有限公司 | Tool and method for backfilling fertilizer groove of deep foundation pit |
| CN113846655A (en) * | 2021-10-12 | 2021-12-28 | 中国建筑第八工程局有限公司 | Conveying device suitable for backfill blanking of narrow ultra-deep foundation trench |
| CN113846655B (en) * | 2021-10-12 | 2022-10-18 | 中国建筑第八工程局有限公司 | Conveying device suitable for backfill blanking of narrow ultra-deep foundation trench |
| CN113882399A (en) * | 2021-11-16 | 2022-01-04 | 中建八局第二建设有限公司 | Adjustable backfill device for narrow fertilizer groove |
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