CN114277809A - Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof - Google Patents
Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof Download PDFInfo
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- CN114277809A CN114277809A CN202111492471.5A CN202111492471A CN114277809A CN 114277809 A CN114277809 A CN 114277809A CN 202111492471 A CN202111492471 A CN 202111492471A CN 114277809 A CN114277809 A CN 114277809A
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- 239000010865 sewage Substances 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000012407 engineering method Methods 0.000 title description 2
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000009313 farming Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
A movable groove supporting device for a rural sewage pipe network project and a construction method thereof are disclosed, wherein the movable groove supporting device comprises a sliding baffle device, a heavy-load bearing plate and a movable supporting device; the utility model discloses a trench support device, including slide damper device, heavy load, groove support device, movable support device, the slide damper device symmetrical arrangement is in the both sides of slot, the heavy load is accepted the board and is installed and be rigid connection in slide damper device upper end for bear the weight of slide damper device, the heavy load accept the board through play the lifting chain with the movable support device is connected, promotes through the level remove support device and realize the bulk movement of groove support device, can install movable support device in constrictive dirty pipe network engineering slot of farming, easy operation, easy dismounting, and alternate use, very big time and the cost of having saved the groove support installation is favorable to high-efficient construction.
Description
Technical Field
The invention belongs to the technical field of pipe network construction groove support, and relates to a movable groove support device for a rural sewage pipe network engineering and a construction method thereof.
Background
Rural sewage pipe network construction has several characteristics: the construction method has the advantages that firstly, the road is narrow, the wire mesh is complex, the construction working surface is limited, and the traditional support construction machinery such as steel sheet piles, channel steel and the like has no working space; secondly, the requirement on the construction progress of the pipe network is strict, and the turnover efficiency of the traditional support form is low; thirdly, the groove supporting rate of the agricultural pollution project is high, the cost is high, the construction cost of the traditional supporting mode is high, and the supporting cost of the agricultural pollution project is urgently needed to be reduced; fourthly, the construction period of the grooves of the agricultural pollution project is short, the supporting mode is required to be simple to operate, the disassembly is easy, the movement is convenient, and the safety and the firmness are realized.
Disclosure of Invention
The invention aims to solve the technical problem of providing a movable groove supporting device for an agricultural sewage pipe network project and a construction method thereof, and solves the problems that in the pipe network construction process of the agricultural sewage pipe network project, a groove is narrow, a large-sized steel sheet pile or a channel steel cannot be adopted for supporting a house, and the supporting installation and dismantling time is long.
In order to solve the technical problems, the invention adopts the technical scheme that: a movable groove supporting device for agricultural sewage pipe network engineering comprises a sliding baffle device, a heavy-load bearing plate and a movable supporting device; the utility model discloses a supporting device for groove, including slide damper device, heavy load, movable supporting device, slide damper device symmetrical arrangement is in the both sides of slot, the heavy load is accepted the board and is installed and be rigid connection in slide damper device upper end for bear slide damper device's weight, the heavy load accept the board through play the lifting chain with the movable supporting device is connected, promotes through the level the movable supporting device realizes the bulk movement of slot supporting device.
The sliding baffle device is characterized in that a plurality of identical parts form a whole on one side, and the sliding baffle device is reinforced inside the groove through the cross brace.
The sliding baffle device is composed of vertical braces, fixing plates, fixing bolts, vertical brace connecting devices and baffle plates, wherein two pairs of fixing plates are installed on the left side and the right side of each vertical brace and are symmetrically arranged, and the baffle plates and the fixing plates are reinforced together through the fixing bolts.
The top and the lower part of the vertical support are provided with connecting grooves for fixing the vertical support connecting device.
The vertical support is internally provided with a baffle sliding groove, and the vertical support connecting device slides in the vertical support through the baffle sliding groove to connect the four sliding baffle devices into a whole.
The vertical support connecting device is composed of a pulley, a concentric shaft and a connecting plate, and the specification of the pulley is smaller than that of the baffle sliding chute.
The inner side of the vertical support is provided with a cross support sliding groove, and the cross support moves to a corresponding position through the cross support sliding groove to be reinforced.
The stull comprises the stull thin rod, step up bolt and stull king-rod, the stull thin rod all is hollow with the stull king-rod, and the junction is provided with the screw thread, sets up length according to the slot width.
And the two ends of the heavy-load bearing plate close to the side of the groove are provided with transverse supporting grooves.
The construction method of the movable groove supporting device for the agricultural sewage pipe network engineering comprises the following steps:
the method comprises the following steps: erecting guide rails and installing movable supporting devices outside two sides of the trench excavation line;
step two: adjusting the lifting rod to the top end, and connecting hoisting chains at two ends of the movable supporting device with the heavy-load bearing plate;
step three: selecting the number of the corresponding modulus sliding baffle devices according to the depth of the groove, folding the baffles in the connecting grooves through the vertical support connecting devices to complete the connection of the sliding baffle devices and the heavy-load bearing plate, lowering the groove supporting device to the top end of the groove by adjusting the height of the lifting rod after the installation of the two sides of the groove is completed, and then sequentially unfolding other baffles;
step four: selecting a cross brace corresponding to the modulus according to the width of the groove, sliding the cross brace to the middle of each sliding baffle device, adjusting the length, and screwing down for reinforcement;
step five: after the mounting and reinforcing of the sliding groove supporting device are completed, the hoisting chain is taken down, and the movable supporting device is slid to the position of the groove to be mounted with the support;
step six: continuing to install the support step, and repeating the second step to the fifth step;
step seven: when the installation of the sewage pipe network is finished, the movable supporting device is moved to a supporting section needing to be dismantled, the hoisting chain is connected with the heavy-load bearing plate, the lifting chain is matched with the layered backfilling of the groove, the cross brace is unscrewed and slides into the cross brace sliding groove, then the sliding baffle device is sequentially folded into the connecting groove, and the two sides are simultaneously carried out;
step eight: adjusting the height of the lifting rod, lifting the whole groove supporting device to a position higher than the top cross rod, and then pushing the movable supporting device to the groove part needing to be supported by the movable supporting device at the same time;
step nine: and (5) repeating the second step to the eighth step in the dismounting and mounting of the groove support.
The main beneficial effects of the invention are mainly embodied in that:
this device can install the removal supporting device in narrow rural road surface slot, easy operation, and easy dismounting can alternate use, very big time and the cost of having saved the slot and strut the installation, is favorable to high efficiency construction.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic three-dimensional structure in an embodiment of the invention.
FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present invention.
FIG. 3 is a top view of an embodiment of the present invention.
FIG. 4 is a detailed structure diagram of an embodiment of the present invention.
Fig. 5 is a three-dimensional front view of an embodiment of the present invention.
FIG. 6 is a detail of one of the sliding plates according to the embodiment of the present invention;
fig. 7 is a detailed structure diagram of the mobile supporting device in the embodiment of the invention.
Fig. 8 is a schematic three-dimensional structure diagram of a cross brace in an embodiment of the invention.
Fig. 9 is a detailed structure view of another sliding plate according to the embodiment of the present invention.
In the figure: 1. roadbed, 2, groove, 3, guide rail, 4, mobile supporting device, 5, sliding baffle device, 6, cross brace, 7, heavy load bearing plate, 8, longitudinal support beam, 9, transverse support beam, 10, lifting rod, 11, hoisting chain, 12, roller, 13, bearing shaft, 14, cross brace groove, 15, baffle, 16, fixing plate, 17, baffle sliding groove, 18, cross brace sliding groove, 19, cross brace thin rod, 20, screw thread, 21, tightening bolt, 22, cross brace middle rod, 23, fixing bolt, 24, vertical brace, 25, connecting groove, 26, vertical brace connecting device, 27, concentric shaft, 28, suspension ring 28, 29, pulley, 30 and connecting plate.
Detailed Description
As shown in fig. 1 to 9, a mobile groove support device for agricultural and sewage pipe network engineering comprises a sliding baffle device 5, a heavy load bearing plate 7 and a mobile support device 4; slide damper device 5 symmetrical arrangement is in the both sides of slot 2, the heavy load is accepted board 7 and is installed and be rigid connection in slide damper device 5 upper end for bear slide damper device 5's weight, the heavy load accept board 7 through rise chain 11 with remove strutting arrangement 4 and connect, promote through the level remove strutting arrangement 4 and realize slot strutting arrangement's bulk movement. When the device is used, the roller of the movable supporting device 4 slides along the guide rail 3, the sliding baffle device 5 slides along the groove wall direction of the groove, and the heavy-load bearing plate 7 bears the load and is alternately carried out, so that the time and the cost for supporting and installing the groove are greatly saved, and the rapid and efficient construction is facilitated.
In a preferred embodiment, as shown in fig. 2, the sliding blind device 5 is made up of a plurality of identical parts on one side, and is reinforced inside the groove 2 by the cross brace 6. The sliding baffle device 5 is contacted with two sides of the groove 2 to form stress and play a role of supporting.
In a preferred scheme, as shown in fig. 2 to 6, the sliding baffle device 5 is composed of vertical braces 24, fixing plates 16, fixing bolts 23, vertical brace connecting devices 26 and baffle plates 15, two pairs of fixing plates 16 are installed on the left and right sides of the vertical braces 24 and are symmetrically arranged, and the baffle plates 15 and the fixing plates 16 are reinforced together through the fixing bolts 23.
Preferably, the vertical struts 24 are 50cm high, 22cm long and 5cm wide.
In a preferred embodiment, as shown in fig. 6, the upper and lower portions of the vertical support 24 are provided with connecting slots 25 for fixing the vertical support connecting device 26.
In a preferable scheme, a baffle sliding groove 17 is arranged in the vertical support 24, and the vertical support connecting device 26 slides in the vertical support 24 through the baffle sliding groove 17 to connect the four sliding baffle devices 5 into a whole.
In a preferred embodiment, as shown in fig. 6, the vertical support connecting device 26 is composed of a pulley 29, a concentric shaft 27 and a connecting plate 30, and the size of the pulley 29 is smaller than that of the baffle sliding chute 17. When in use, the vertical support connecting device 26 folds the baffle plate 15 in the connecting groove 25 to complete the connection of the sliding baffle plate device 5 and the heavy-load bearing plate; after the installation of the two sides of the groove 2 is finished, the groove supporting device is lowered to the top end of the groove 2 by adjusting the height of the lifting rod 10, and then other baffles 15 are sequentially unfolded.
In a preferred scheme, a cross-brace sliding groove 18 is arranged inside the vertical brace 24, and the cross brace 6 is moved to a corresponding position through the cross-brace sliding groove 18 for reinforcement. During the use, move movable support device 4 to the support section that needs to demolish, will lift by crane chain 11 and heavily loaded and accept board 7 and be connected, cooperate slot 2 to backfill layer by layer from the bottom up in proper order, stull 6 unscrews and slides to in the stull spout 18, then pack up slide damper device 5 in the spread groove 25 in proper order, both sides go on simultaneously.
In a preferred scheme, as shown in fig. 6, the wale 6 is composed of a wale thin rod 19, a tightening bolt 21 and a wale middle rod 22, the wale thin rod 19 and the wale middle rod 22 are both hollow, a connection part is provided with a thread 20, and the length is set according to the width of the groove 2. When the heavy-load bearing plate is used, the cross brace thin rods 19 at the two ends of the cross brace 6 are abutted against the heavy-load bearing plate 7, the abutting force is adjusted by rotating the clamping bolts 21, and the width of the heavy-load bearing plate 7 is limited.
In a preferred embodiment, as shown in fig. 2, the heavy load bearing plate 7 is provided with cross brace grooves 14 at two ends close to the side of the trench 2. When in use and installation, the two ends of the cross brace 6 are butted against the cross brace groove 14, and the cross brace groove 14 is a groove which is recessed but not penetrated.
Preferably, as shown in fig. 4, the mobile supporting device is composed of a guide rail 3, a longitudinal support beam 8, a transverse support beam 9, a lifting rod 10, a lifting chain 11, a roller 12 and a bearing shaft 13. The longitudinal support beam 8 and the transverse support beam 9 are connected with each other, the lifting rod 10 is connected with the transverse support beam 9, the roller 12 and the bearing shaft 13 are connected with each other, the bearing shaft 13 is connected with the fixed end of the lifting rod 10, the roller 12 is positioned in the guide rail 3, and the hoisting chains 11 are positioned on both sides of the longitudinal support beam 8 and connected with the transverse support beam 9.
In a preferred embodiment, the construction method of the mobile groove support device for the agricultural sewage pipe network engineering includes the following steps:
the method comprises the following steps: the guide rails 3 and the movable supporting devices 4 are erected outside two sides of the trench 2 excavation line; the depth of the groove is 2m, and the width is 0.8-2.5 m;
step two: adjusting the lifting rod 10 to the top end, and connecting the hoisting chains 11 at the two ends of the movable supporting device 4 with the heavy-load bearing plate 7;
step three: selecting the number of the corresponding module sliding baffle devices 5 according to the depth of the groove 2, folding the baffle plates 15 in the connecting grooves 25 through the vertical support connecting devices 26 to complete the connection of the sliding baffle devices 5 and the heavy-load bearing plate, descending the groove supporting device to the top end of the groove 2 by adjusting the height of the lifting rod 10 after the installation of the two sides of the groove 2 is completed, and then sequentially unfolding other baffle plates 15;
step four: selecting a cross brace 6 corresponding to the modulus according to the width of the groove 2, sliding the cross brace 6 to the middle of each sliding baffle device 5, adjusting the length, and screwing down for reinforcement;
step five: after the sliding groove supporting device is installed and reinforced, the lifting chain 11 is taken down, and the movable supporting device 4 is slid to the position of the groove 2 to be installed and supported;
step six: continuing to install the support step, and repeating the second step to the fifth step;
step seven: when the installation of the sewage pipe network is finished, the movable supporting device 4 is moved to a supporting section needing to be dismantled, the hoisting chain 11 is connected with the heavy-load bearing plate 7, the steps of filling the groove 2 in a layered mode are matched, the cross brace 6 is unscrewed and slides into the cross brace sliding groove 18 from the bottom, then the sliding baffle device 5 is retracted into the connecting groove 25 in sequence, and the two sides are carried out simultaneously;
step eight: adjusting the height of the lifting rod 10, lifting the whole groove supporting device to a position higher than the top cross rod, and then pushing the movable supporting device 4 to the groove 2 part needing to be supported by the movable supporting device 4 at the same time;
step nine: and (5) the step two to the step eight are repeated in the dismounting and mounting of the groove 2 support.
Preferably, in the whole construction process, the construction method can be reasonably adjusted according to the actual situation of the site.
The above embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the patent of the invention should be defined by the claims and the equivalents of the technical features of the claims. I.e., equivalent alterations and modifications within the scope and range of equivalents of the invention, are also encompassed by the present patent.
Claims (10)
1. The utility model provides a portable slot supporting device to dirty pipe network engineering of farming, characterized by: the device comprises a sliding baffle device (5), a heavy-load bearing plate (7) and a movable supporting device (4); slide damper device (5) symmetrical arrangement is in the both sides of slot (2), the heavy load is accepted board (7) and is installed and be rigid connection in slide damper device (5) upper end for bear the weight of slide damper device (5), the heavy load accept board (7) through play sling chain (11) with remove strutting arrangement (4) and connect, promote through the level remove strutting arrangement (4) and realize the bulk movement of slot strutting arrangement.
2. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 1, wherein: the sliding baffle device (5) is integrated by a plurality of same parts on one side, and is reinforced inside the groove (2) through the cross brace (6).
3. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 1, wherein: the sliding baffle device (5) is composed of vertical braces (24), fixing plates (16), fixing bolts (23), vertical brace connecting devices (26) and baffle plates (15), two pairs of fixing plates (16) are installed on the left side and the right side of each vertical brace (24) and are symmetrically arranged, and the baffle plates (15) and the fixing plates (16) are reinforced together through the fixing bolts (23).
4. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 3, wherein: the top and the lower part of the vertical support (24) are provided with connecting grooves (25) for fixing a vertical support connecting device (26).
5. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 3, wherein: the vertical support (24) is internally provided with a baffle sliding groove (17), and the vertical support connecting device (26) slides in the vertical support (24) through the baffle sliding groove (17) to connect the four sliding baffle devices (5) into a whole.
6. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 3, wherein: the vertical support connecting device (26) is composed of a pulley (29), a concentric shaft (27) and a connecting plate (30), and the specification of the pulley (29) is smaller than that of the baffle sliding groove (17).
7. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 3, wherein: the inner side of the vertical support (24) is provided with a cross support sliding groove (18), and the cross support (6) moves to a corresponding position through the cross support sliding groove (18) to be reinforced.
8. The mobile groove support device for the agricultural sewage pipe network engineering as claimed in claim 3, wherein: the cross brace (6) is composed of a cross brace thin rod (19), a tightening bolt (21) and a cross brace middle rod (22), the cross brace thin rod (19) and the cross brace middle rod (22) are hollow, a screw thread (20) is arranged at the joint of the cross brace thin rod and the cross brace middle rod, and the length is set according to the width of the groove (2).
9. The mobile trench support device for agriculture sewage pipe network engineering of claim 8, wherein: and the two ends of the heavy-load bearing plate (7) close to the side of the groove (2) are provided with transverse supporting grooves (14).
10. The construction method of the movable groove support device for the agricultural sewage pipe network engineering according to any one of claims 1 to 9, which is characterized by comprising the following steps:
the method comprises the following steps: the guide rails (3) are erected outside the two sides of the trench (2) excavation line, and the movable supporting device (4) is installed;
step two: adjusting the lifting rod (10) to the top end, and connecting hoisting chains (11) at two ends of the movable supporting device (4) with the heavy-load bearing plate (7);
step three: selecting the number of corresponding modulus sliding baffle devices (5) according to the depth of the groove (2), folding the baffle plates (15) in the connecting grooves (25) through vertical support connecting devices (26) to complete the connection of the sliding baffle devices (5) and the heavy-load bearing plate, lowering the groove supporting device to the top end of the groove (2) by adjusting the height of the lifting rod (10) after the installation of the two sides of the groove (2), and sequentially unfolding other baffle plates (15);
step four: selecting a cross brace (6) corresponding to the modulus according to the width of the groove (2), sliding the cross brace (6) to the middle of each sliding baffle device (5), adjusting the length, and screwing down for reinforcement;
step five: after the sliding groove supporting device is installed and reinforced, the lifting chain (11) is taken down, and the movable supporting device (4) is slid to the position of the groove (2) to be installed and supported;
step six: continuing to install the support step, and repeating the second step to the fifth step;
step seven: when the installation of the sewage pipe network is finished, the movable supporting device (4) is moved to a supporting section needing to be dismantled, a hoisting chain (11) is connected with a heavy-load bearing plate (7), the lifting chain is matched with the layered backfilling of the groove (2) and sequentially moves from the bottom to the top, the cross brace (6) is unscrewed and slides into the cross brace sliding groove (18), then the sliding baffle device (5) is sequentially retracted into the connecting groove (25), and the two sides are simultaneously carried out;
step eight: the height of the lifting rod (10) is adjusted, the whole groove supporting device is lifted to a position higher than the top cross rod, and then the movable supporting device (4) is pushed to the position of the groove (2) needing to be supported by the movable supporting device at the two sides;
step nine: and (5) repeating the steps two to eight in the dismounting and mounting of the groove (2) support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492471.5A CN114277809B (en) | 2021-12-08 | 2021-12-08 | Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492471.5A CN114277809B (en) | 2021-12-08 | 2021-12-08 | Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114277809A true CN114277809A (en) | 2022-04-05 |
| CN114277809B CN114277809B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111492471.5A Active CN114277809B (en) | 2021-12-08 | 2021-12-08 | Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof |
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| Country | Link |
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| CN (1) | CN114277809B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115680097A (en) * | 2022-11-21 | 2023-02-03 | 江阴新城建设工程有限公司 | Municipal rainwater pipeline construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306103A (en) * | 1993-03-12 | 1994-04-26 | Spencer Dennis I | Wheeled carriage assembly for trench shields |
| JPH1046580A (en) * | 1996-08-06 | 1998-02-17 | Shinko Kigyo Kk | Earth retaining temporarily arranged form and underground piping execution work method using it |
| WO2013169246A1 (en) * | 2012-05-09 | 2013-11-14 | Riggle John Jr | Trench shoring apparatuses |
| CN110747863A (en) * | 2019-08-06 | 2020-02-04 | 中国水利水电第七工程局有限公司 | Support system behind slot |
| CN111021370A (en) * | 2019-12-05 | 2020-04-17 | 中铁四局集团第五工程有限公司 | Method for mounting nodular cast iron pipe by using municipal pipeline groove structure |
| CN113006508A (en) * | 2021-03-10 | 2021-06-22 | 北京永创众信建筑设计有限公司 | Movable shallow trench steel constructs protector |
| CN213653479U (en) * | 2020-08-06 | 2021-07-09 | 中交四公局第一工程有限公司 | Straight trench digging integrated protection device |
-
2021
- 2021-12-08 CN CN202111492471.5A patent/CN114277809B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306103A (en) * | 1993-03-12 | 1994-04-26 | Spencer Dennis I | Wheeled carriage assembly for trench shields |
| JPH1046580A (en) * | 1996-08-06 | 1998-02-17 | Shinko Kigyo Kk | Earth retaining temporarily arranged form and underground piping execution work method using it |
| WO2013169246A1 (en) * | 2012-05-09 | 2013-11-14 | Riggle John Jr | Trench shoring apparatuses |
| CN110747863A (en) * | 2019-08-06 | 2020-02-04 | 中国水利水电第七工程局有限公司 | Support system behind slot |
| CN111021370A (en) * | 2019-12-05 | 2020-04-17 | 中铁四局集团第五工程有限公司 | Method for mounting nodular cast iron pipe by using municipal pipeline groove structure |
| CN213653479U (en) * | 2020-08-06 | 2021-07-09 | 中交四公局第一工程有限公司 | Straight trench digging integrated protection device |
| CN113006508A (en) * | 2021-03-10 | 2021-06-22 | 北京永创众信建筑设计有限公司 | Movable shallow trench steel constructs protector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115680097A (en) * | 2022-11-21 | 2023-02-03 | 江阴新城建设工程有限公司 | Municipal rainwater pipeline construction method |
| CN115680097B (en) * | 2022-11-21 | 2023-11-24 | 江阴新城建设工程有限公司 | Municipal rainwater pipeline construction method |
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| CN114277809B (en) | 2023-03-31 |
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