CN113859343A - Pile foundation concrete transporting device and construction method - Google Patents
Pile foundation concrete transporting device and construction method Download PDFInfo
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- CN113859343A CN113859343A CN202111189332.5A CN202111189332A CN113859343A CN 113859343 A CN113859343 A CN 113859343A CN 202111189332 A CN202111189332 A CN 202111189332A CN 113859343 A CN113859343 A CN 113859343A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0006—Bumpers; Safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a pile foundation concrete pouring device and a construction method, wherein the pile foundation concrete pouring device comprises a U-shaped frame, a U-shaped bracket, a first roller and a storage bin, wherein the U-shaped bracket and the first roller are arranged at the bottom of the U-shaped frame; handles are arranged above two ends of the transverse plate, second idler wheels are arranged below the two ends of the transverse plate, and the second idler wheels are positioned outside the U-shaped bracket and below the bottom of the supporting column; a U-shaped groove is arranged below the U-shaped frame, and a partition plate is inserted in the U-shaped groove. The invention avoids the leaked materials directly contacting the ground, which causes pollution to the environment; through being provided with supporting component on U type frame to fixed feed bin on every supporting component can transport the material to required ground fast, has improved work efficiency, has reduced construction cost, easily promotes.
Description
The technical field is as follows:
the invention relates to a concrete transporting device and a construction method thereof, in particular to a concrete transporting device for a pile foundation and a construction method thereof.
Background art:
as the construction requirements of the power transmission line project increase, the improvement of the construction efficiency becomes a large direction of industry development, and due to the characteristics of large span and wide range of the power transmission line project, outdoor construction is greatly influenced by terrain and rainwater, and concrete transportation directly influences the construction difficulty and the construction efficiency; the concrete generally adopts a mode of directly putting in place by a tank truck, the concrete tank truck cannot directly reach a required area due to the influence of construction environment, the concrete tank truck occupies too much equipment and has overhigh construction cost, a pouring mode of chute connection is generally adopted, and the method has the defects of more concrete leakage and environmental pollution in the pouring process; aiming at a small-volume pile foundation in a geological environment, the concrete transportation construction needs to be optimized urgently according to the field requirement.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the pile foundation concrete transporting device and the construction method are provided, the situations of concrete leakage and environment pollution during the transporting of the traditional chute are avoided, the working efficiency is improved, and the construction cost is reduced.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a pile foundation concrete dumping device comprises a U-shaped frame, a U-shaped support, first rollers and a storage bin, wherein the U-shaped support is arranged below the U-shaped frame, and the first rollers are respectively arranged on two sides of the U-shaped support; displacement grooves are dug in two sides of the U-shaped frame respectively, and the left ends of the displacement grooves are distributed in an open shape; the U-shaped frame is connected with at least one supporting assembly in a sliding mode, the supporting assembly consists of two transverse plates, a storage bin is arranged above the supporting assembly, the bottom of the storage bin is distributed in a funnel shape, a discharge hole is formed in the middle of the bottom of the storage bin, and a cover plate is arranged below the discharge hole; the left end of U type frame is provided with the picture peg, the below of U type frame is provided with U type groove, and is equipped with the baffle in U type inslot interpolation.
Handles are respectively arranged on two sides of the right end of the U-shaped frame, and a cross post is arranged between the two handles; a baffle is arranged between the inner walls at the left end of the U-shaped groove, the tops of vertical plates at two sides of the U-shaped groove are connected with the bottom surface of the U-shaped frame, and the inner walls at two sides of the U-shaped groove and the inner walls at two sides of the U-shaped frame are positioned on the same horizontal plane; the right-hand member of baffle is provided with L form limiting plate, and the bottom of L form limiting plate is located the below of U type bottom of the groove portion, there is the second bolt bottom of L form limiting plate through threaded connection.
The outside of U type frame left end is provided with the spacing ring respectively, the picture peg is U type form and distributes, and the both ends of picture peg are inserted respectively and are established in the spacing ring that corresponds to fix through first bolt.
The two ends of the transverse plates extend out of the U-shaped frame respectively, handles are arranged above the two ends of each transverse plate respectively, and second rollers are arranged below the two ends of each transverse plate respectively; the two transverse plates are connected together through the two insertion plates, the two insertion plates are respectively positioned on one side of the bottom of the transverse plates, and the position of each insertion plate corresponds to the position of the corresponding displacement groove.
Two through holes are dug in the transverse plates correspondingly respectively, and a positioning sleeve is arranged above each through hole; the utility model discloses a feed bin, including feed bin, spacing ring, support column, nut, screw, locating sleeve, support column, locating sleeve, support column, spacing ring, screw, nut, screw, nut, screw, and screw.
The discharge ports are distributed in a columnar shape, and a third connecting column and a fourth connecting column are respectively arranged on two sides of the bottom of each discharge port; the left side of the third connecting column is connected with a first connecting column through a second connecting column; the novel multifunctional cover plate is characterized in that fifth connecting columns are respectively arranged on two sides of the bottom of each first connecting column, the left end of the cover plate is hinged to the fifth connecting columns, a hook is arranged at the position, corresponding to the fourth connecting column, of the right end of the cover plate, and the hook is hinged to the cover plate.
The length of the partition plate is consistent with that of the U-shaped frame.
The construction method of the pile foundation concrete pouring device comprises the following steps:
firstly, inserting the partition plate into the U-shaped groove by a worker, and fixing the partition plate through a second bolt; a worker moves the U-shaped frame to the position close to the cement tank truck by holding the cross column, and simultaneously places the supporting assembly on the ground, and inserts the supporting columns on the periphery of the storage bin into the positioning sleeves on the corresponding transverse plates; a worker holds the handle to move the supporting component upwards to the lower part of the limiting ring, and the transverse plate is fixed through the nut;
secondly, a worker holds the handle to place the transverse plate above the U-shaped frame, so that the inserting plate is inserted into the displacement groove; if the storage bin is large, the transverse plate can be placed above the U-shaped frame by utilizing the hoisting device;
inserting an inserting plate into a limiting ring at the left end of the U-shaped frame, and fixing the inserting plate through a first bolt, wherein a cross beam at the top of the inserting plate is required to be positioned at the middle position of the supporting column;
aligning the discharge port of the tank car to the stock bin, carrying out feeding operation, continuously repeating the steps of the first step and the third step after feeding is finished, and then feeding the new stock bin until the stock bin is fully placed on the U-shaped frame;
the worker pushes the device to the position near the position where the material needs to be unloaded, and the worker can hook the handles at the two ends of the transverse plate by using the lifting appliance to sequentially lift the transverse plate bearing the material bin onto the flat ground;
sixthly, the worker holds the hopper by hands and moves through the second roller; and after the material is discharged, the transverse plate bearing the material bin is placed on the U-shaped frame again.
The invention has the following positive beneficial effects:
1. according to the invention, the U-shaped groove is formed at the bottom of the U-shaped frame, and the partition plate is arranged in the U-shaped groove, so that the phenomenon that leaked materials directly contact the ground and pollute the environment is avoided; through set up the apron in feed bin bottom, reduce the emergence of leaking the material condition, and the staff of being convenient for carries out the blowing operation.
2. The storage bin is fixed on the transverse plate through the support columns, so that the storage bin is convenient to fix; through setting up the handle above diaphragm both ends, set up the second gyro wheel below diaphragm both ends, can enough place the feed bin and remove after the ground, simultaneously, be convenient for again place the diaphragm on U type frame, convenient to use, easy operation.
3. According to the invention, the bottom of the transverse plate is provided with the inserting plate, and the position of the inserting plate corresponds to the position of the displacement groove, so that the transverse plate is limited; through set up the picture peg at U type frame left end, avoid the diaphragm along the condition that the displacement recess falls.
4. The device is used for transferring materials, so that the problem that concrete materials pollute the environment is solved, the cost is saved, the working efficiency is improved, and the popularization is easy.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a U-shaped frame according to the present invention;
FIG. 3 is a schematic view of the structure of the hopper and the bottom cover plate of the present invention;
FIG. 4 is a schematic structural view of the inventive support assembly;
FIG. 5 is a schematic structural view of the partition board and the U-shaped groove of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings, in which:
example (b): referring to fig. 1-5, a pile foundation concrete dumping device comprises a U-shaped frame 1, a U-shaped support 2, first rollers 3 and a storage bin 14, wherein the U-shaped support 2 is arranged below the U-shaped frame 1, and the first rollers 3 are respectively arranged on two sides of the U-shaped support; displacement grooves 6 are dug in two sides of the U-shaped frame 1 respectively, and the left ends of the displacement grooves 6 are distributed in an open shape; at least one supporting assembly is connected to the U-shaped frame 1 in a sliding mode, the supporting assembly consists of two transverse plates 10, a storage bin 14 is arranged above each supporting assembly, the bottom of each storage bin 14 is distributed in a funnel shape, a discharge port 16 is arranged in the middle of the bottom of each storage bin 14, and a cover plate 17 is arranged below each discharge port 16; an inserting plate 8 is arranged at the left end of the U-shaped frame 1, a U-shaped groove 23 is arranged below the U-shaped frame 1, and a partition plate 20 is inserted in the U-shaped groove 23.
Handles are respectively arranged on two sides of the right end of the U-shaped frame, and a cross post 5 is arranged between the two handles; a baffle is arranged between the inner walls at the left end of the U-shaped groove 23, the tops of vertical plates at two sides of the U-shaped groove 23 are connected with the bottom surface of the U-shaped frame 1, and the inner walls at two sides of the U-shaped groove 23 and the inner walls at two sides of the U-shaped frame 1 are positioned on the same horizontal plane; an L-shaped limiting plate 21 is arranged at the right end of the partition plate 20, the bottom of the L-shaped limiting plate 21 is located below the bottom of the U-shaped groove 23, and a second bolt 22 is connected to the bottom of the L-shaped limiting plate 12 through threads.
The outside of U type frame 1 left end is provided with spacing ring 7 respectively, and picture peg 8 is U type form distribution, and the both ends of picture peg 8 are inserted respectively and are established in corresponding spacing ring 7 to fix through first bolt 9.
The two ends of the transverse plates 10 extend out of the U-shaped frame 1 respectively, handles 11 are arranged above the two ends of each transverse plate 10 respectively, and second rollers 12 are arranged below the two ends of each transverse plate 10 respectively; the two transverse plates are connected together through the two insertion plates 601, the two insertion plates 601 are respectively positioned on one side of the bottom of the transverse plate 10, and the position of each insertion plate 601 corresponds to the position of the displacement groove 6.
Two through holes are dug in the transverse plate 10 correspondingly, and a positioning sleeve 13 is arranged above each through hole; the positions of the storage bin 14, which correspond to the positioning sleeves 13, are provided with supporting columns 15, the middle of each supporting column 15 is provided with a limiting ring 18, the supporting columns 15 which are located below the limiting rings 18 are provided with threads, and the supporting columns 15 penetrate through the corresponding positioning sleeves 13 and are fixed through matched nuts 19.
The discharge port 16 is distributed in a columnar shape, and a third connecting column 193 and a fourth connecting column 194 are respectively arranged on two sides of the bottom of the discharge port 16; the left side of the third connecting column 193 is connected with a first connecting column 191 through a second connecting column 192; the two sides of the bottom of the first connecting column 191 are respectively provided with a fifth connecting column, the left end of the cover plate 17 is hinged with the fifth connecting column, the right end of the cover plate 17 corresponding to the fourth connecting column 194 is provided with a hook 195, and the hook 195 is hinged with the cover plate 17.
The length of the partition board 20 is consistent with that of the U-shaped frame 1.
The construction method of the pile foundation concrete pouring device comprises the following steps:
firstly, a worker inserts the partition plate into the U-shaped groove 23 and fixes the partition plate through a second bolt 22; a worker moves the U-shaped frame 1 to the position near a cement tank truck by walking the cross column 5, simultaneously places the supporting component on the ground, and inserts the supporting columns 15 around the storage bin 14 into the positioning sleeves 13 on the corresponding transverse plates 10; a worker holds the handle 11 to move the support assembly up to the lower part of the limiting ring 18, and the transverse plate 10 is fixed through the nut 19;
secondly, a worker holds the handle 11 to place the transverse plate 10 above the U-shaped frame 1, so that the inserting plate 601 is inserted into the displacement groove 6; if the storage bin is large, the transverse plate 10 can be placed above the U-shaped frame 1 by using a lifting device;
inserting an inserting plate 8 into a limiting ring 7 at the left end of the U-shaped frame 1, and fixing the inserting plate through a first bolt 9, wherein a cross beam at the top of the inserting plate 8 is required to be positioned in the middle of a supporting column 15;
fourthly, aligning the discharge port of the tank car to the stock bin 14, carrying out feeding operation, continuously repeating the step III after feeding is finished, and then feeding a new stock bin until the stock bin 14 is fully arranged on the U-shaped frame 1;
the worker pushes the device to the position near the position where the material needs to be unloaded, and the worker can hook the handles at the two ends of the transverse plate 10 by using the lifting appliance to sequentially lift the transverse plate carrying the material bin 14 to the flat ground;
sixthly, the worker holds the hopper by hands and moves the hopper through the second roller 12; and after the material is moved to the discharging position, the hook 195 is removed from the fourth connecting column 194, the discharging opening 16 is opened, discharging operation is carried out, and after discharging is finished, the transverse plate bearing the storage bin 14 is placed on the U-shaped frame 1 again.
In the above description, the second rollers 12 at both ends of the horizontal plate 10 are located outside the U-shaped bracket 2, the vertical plates at both sides of the U-shaped bracket 2 are located outside both sides of the U-shaped frame, and the top of the U-shaped bracket 2 is located at a position below the top surface of the U-shaped frame.
In the above description, when the support column 15 is inserted into the corresponding positioning sleeve 13, the support column bottom is located at a position above the partition plate.
In the above description, the lower end of the feed opening 16 is located at a position above the middle of the support column, and when the cover plate is closed with the feed opening, the cover plate is in a horizontal state, and the hook may be hooked on the fourth connecting post 194.
In the above description, when the bin is fixed to the cross slab by the supporting column, the bottom of the supporting column is located at the middle or upper position of the second roller 12, that is, when the bin and the cross slab are placed on the ground, the second roller is firstly grounded, and the bottom of the supporting column is in an empty state.
In the above description, the number of the U-shaped brackets is two, the two sides of the U-shaped frame are respectively displaced, and the outside of each U-shaped frame is respectively provided with the first roller.
In the above description, the number of the bins on the U-shaped frame is determined according to the requirement, and the bottom of each bin is provided with the supporting component.
In the above description, the left end of the displacement groove communicates with the left end of the U-shaped frame, i.e., the displacement groove is open-shaped.
In the above description, the lengths of the U-shaped groove 23 and the partition plate are the same as those of the U-shaped frame, when the partition plate is inserted into the U-shaped groove, the bottom of the L-shaped connecting plate at the bottom of the partition plate is located below the U-shaped groove, and the partition plate is tightly abutted to the U-shaped groove by the rotation of the second bolt at the bottom of the L-shaped connecting plate; the second bolt penetrates through the L-shaped connecting plate and is propped to the bottom of the U-shaped groove.
In the above description, the position of the baffle at the left end of the U-shaped groove is aligned with the position of the left end of the U-shaped frame up and down.
When the material storage bin is used, a worker takes down the material storage bin and the transverse plate together, and moves the material storage bin to a material storage position for material storage; the storage bin can be placed on the U-shaped frame and not taken down, and the materials are directly discharged, but the storage bin without the U-shaped support 2 at the bottom is preferably arranged below the storage bin during discharging, after the storage bin finishes discharging, the storage bin is moved away, and other storage bins are translated to the position for discharging; then the staff regularly cleans the baffle to can.
According to the invention, the U-shaped groove is formed at the bottom of the U-shaped frame, and the partition plate is arranged in the U-shaped groove, so that the phenomenon that leaked materials directly contact the ground and pollute the environment is avoided; through being provided with supporting component on U type frame to fixed feed bin on every supporting component can transport the material to required ground fast, has improved work efficiency, has reduced construction cost, easily promotes.
Claims (8)
1. The utility model provides a pile foundation concrete device of transporting, includes U type frame (1), U type support (2), first gyro wheel (3) and feed bin (14), its characterized in that: a U-shaped bracket (2) is arranged below the U-shaped frame (1), and first rollers (3) are respectively arranged on two sides of the U-shaped bracket; displacement grooves (6) are respectively dug on two sides of the U-shaped frame (1), and the left ends of the displacement grooves (6) are distributed in an open shape; the U-shaped frame (1) is connected with at least one supporting assembly in a sliding mode, the supporting assembly consists of two transverse plates (10), a storage bin (14) is arranged above the supporting assembly, the bottom of the storage bin (14) is distributed in a funnel shape, a discharge hole (16) is formed in the middle of the bottom of the storage bin (14), and a cover plate (17) is arranged below the discharge hole (16); the left end of U type frame (1) is provided with picture peg (8), the below of U type frame (1) is provided with U type groove (23), and is equipped with baffle (20) in U type groove (23) interpolation.
2. The pile foundation concrete dumping device of claim 1, wherein: handles (4) are respectively arranged on two sides of the right end of the U-shaped frame (1), and a cross column (5) is arranged between the two handles (4); a baffle is arranged between the inner walls of the left ends of the U-shaped grooves (23), the tops of vertical plates on two sides of the U-shaped grooves (23) are connected with the bottom surface of the U-shaped frame (1), and the inner walls on two sides of the U-shaped grooves (23) and the inner walls on two sides of the U-shaped frame (1) are located on the same horizontal plane; the right-hand member of baffle (20) is provided with L form limiting plate (21), and the bottom of L form limiting plate (21) is located the below of U type groove (23) bottom, there is second bolt (22) bottom of L form limiting plate (12) through threaded connection.
3. The pile foundation concrete dumping device of claim 1, wherein: the outside of U type frame (1) left end is provided with spacing ring (7) respectively, picture peg (8) are the distribution of U type form, and the both ends of picture peg (8) are inserted respectively and are established in corresponding spacing ring (7) to fix through first bolt (9).
4. The pile foundation concrete dumping device of claim 1, wherein: the two ends of the transverse plates (10) extend out of the U-shaped frame (1) respectively, handles (11) are arranged above the two ends of each transverse plate (10) respectively, and second rollers (12) are arranged below the two ends of each transverse plate (10) respectively; the two transverse plates are connected together through the two insertion plates (601), the two insertion plates (601) are respectively positioned on one side of the bottom of the transverse plate (10), and the position of each insertion plate (601) corresponds to the position of the displacement groove (6).
5. The pile foundation concrete dumping device of claim 1, wherein: two through holes are correspondingly dug in the transverse plate (10), and a positioning sleeve (13) is arranged above each through hole; the utility model discloses a feed bin, including feed bin (14), support column (15) are provided with respectively to the position department that corresponds positioning sleeve (13) all around, the middle part of support column (15) is provided with spacing ring (18), and is provided with the screw thread on support column (15) that are located spacing ring (18) below, corresponding positioning sleeve (13) are run through in support column (15) to fix through assorted nut (19).
6. The pile foundation concrete dumping device of claim 1, wherein: the discharge hole (16) is distributed in a columnar shape, and a third connecting column (193) and a fourth connecting column (194) are respectively arranged on two sides of the bottom of the discharge hole (16); the left side of the third connecting column (193) is connected with a first connecting column (191) through a second connecting column (192); the novel multifunctional combined cover is characterized in that fifth connecting columns are respectively arranged on two sides of the bottom of the first connecting column (191), the left end of the cover plate (17) is hinged to the fifth connecting columns, a hook (195) is arranged at the position, corresponding to the fourth connecting column (194), of the right end of the cover plate (17), and the hook (195) is hinged to the cover plate (17).
7. The pile foundation concrete dumping device of claim 1, wherein: the length of baffle (20) and U type groove (23) all is unanimous with the length of U type frame (1), second gyro wheel (12) are located the outside of U type support (2), and second gyro wheel (12) are located the below of support column (15) bottom.
8. The method for constructing a pile foundation concrete pouring device according to any one of claims 1 to 7, comprising the steps of:
firstly, a worker inserts the partition plate into the U-shaped groove (23) and fixes the partition plate through a second bolt (22); a worker moves the U-shaped frame (1) to the position near a cement tank car by holding the cross column (5), meanwhile, the supporting component is placed on the ground, and supporting columns (15) on the periphery of the storage bin (14) are inserted into positioning sleeves (13) on corresponding transverse plates (10); a worker holds the handle (11) to move the support assembly up to the lower part of the limiting ring (18), and the transverse plate (10) is fixed through the nut (19);
secondly, a worker holds the handle (11) to place the transverse plate (10) above the U-shaped frame (1) so that the inserting plate (601) is inserted into the displacement groove (6); if the storage bin is large, the transverse plate (10) can be placed above the U-shaped frame (1) by utilizing the hoisting device;
inserting an inserting plate (8) into a limiting ring (7) at the left end of the U-shaped frame (1), fixing the inserting plate through a first bolt (9), and requiring that a top cross beam of the inserting plate (8) is positioned in the middle of a supporting column (15);
aligning the discharge port of the tank car to the stock bin (14), carrying out feeding operation, continuously repeating the steps of the first step and the third step after feeding is finished, and then feeding the new stock bin until the stock bin (14) is fully arranged on the U-shaped frame (1);
the worker pushes the device to the position near the position needing to be unloaded, and the worker can hook the handles at the two ends of the transverse plate (10) by using the lifting appliance and sequentially lift the transverse plate bearing the storage bin (14) to the flat ground;
sixthly, the worker holds the hopper by hands and moves the hopper through a second roller (12); and after the material is moved to the discharging position, the hook (195) is removed from the fourth connecting column (194), the discharging opening (16) is opened, the discharging operation is carried out, and after the discharging is finished, the transverse plate bearing the material bin (14) is placed on the U-shaped frame (1) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111189332.5A CN113859343A (en) | 2021-10-12 | 2021-10-12 | Pile foundation concrete transporting device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111189332.5A CN113859343A (en) | 2021-10-12 | 2021-10-12 | Pile foundation concrete transporting device and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113859343A true CN113859343A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111189332.5A Pending CN113859343A (en) | 2021-10-12 | 2021-10-12 | Pile foundation concrete transporting device and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620107A (en) * | 2022-04-06 | 2022-06-14 | 中国电建集团河南工程有限公司 | Auxiliary device for regional construction of EH pipeline of power plant and construction method |
-
2021
- 2021-10-12 CN CN202111189332.5A patent/CN113859343A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620107A (en) * | 2022-04-06 | 2022-06-14 | 中国电建集团河南工程有限公司 | Auxiliary device for regional construction of EH pipeline of power plant and construction method |
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