CN112518977A - Centrifugal forming equipment for preparing prestressed high-strength concrete pipe pile - Google Patents
Centrifugal forming equipment for preparing prestressed high-strength concrete pipe pile Download PDFInfo
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- CN112518977A CN112518977A CN202011244772.1A CN202011244772A CN112518977A CN 112518977 A CN112518977 A CN 112518977A CN 202011244772 A CN202011244772 A CN 202011244772A CN 112518977 A CN112518977 A CN 112518977A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses centrifugal forming equipment for preparing a prestressed high-strength concrete pipe pile. The tubular pile manufacturing device comprises a base, wherein two fixing plates are symmetrically arranged on the base, a tubular pile die for preparing a tubular pile is arranged between the two fixing plates, a plurality of elastic mechanisms matched with the tubular pile die for use are clamped on the fixing columns, a rotating handle is clamped at one end, away from an installation cavity, of the rotating rod, and sliding mechanisms matched with the rotating mechanisms for use are symmetrically arranged on the base. First spring both ends are connected with connecting block and backup pad respectively, and the driving wheel that sets up on the carriage release lever of connecting through the installation pole in the backup pad just makes when following driving wheel and tubular pile mould contact, and first spring will have certain elasticity along with the slip of horizontal pole, just can slow down rocking of tubular pile mould at the rotation in-process, prevents droing of tubular pile mould for tubular pile mould rotates stability in-process better, has improved the security of preparation tubular pile.
Description
Technical Field
The invention relates to the technical field of concrete pipe pile preparation equipment, in particular to centrifugal forming equipment for preparing a prestressed high-strength concrete pipe pile.
Background
The pipe piles are classified into prestressed concrete pipe piles (PC pipe piles), prestressed concrete thin-wall pipe piles (PTC pipe piles) and prestressed high-strength concrete pipe piles (PHC pipe piles) according to the strength grade and wall thickness of concrete. The pipe pile is cylindrical, and is rotated on a centrifuge at a high speed through a centrifugal pipe pile die, so that concrete in the pipe pile die performs high-speed centrifugal motion, and finally the concrete pipe pile with a circular hole in the center is manufactured.
However, in the prior art, a tubular pile die is usually directly placed at the upper end of a centrifugal device, so that the tubular pile die directly operates on the centrifugal device, the tubular pile die is directly exposed outside to work, and the centrifugal device is not provided with a stabilizing mechanism for the tubular pile die, so that the tubular pile die is shaken or even falls off in long-time centrifugal rotation, and the tubular pile die is low in safety during tubular pile preparation.
Disclosure of Invention
The invention aims to solve the following defects in the prior art that a pipe pile die is directly exposed outside to work, and a centrifugal forming device is not provided with a pipe pile die stabilizing mechanism, so that the pipe pile die shakes or even falls off in long-time centrifugal rotation, and the safety of preparing a pipe pile is low.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a centrifugal forming equipment is used in preparation of prestressing force high-strength concrete tubular pile, the on-line screen storage device comprises a base, the symmetry is equipped with two fixed plates on the base, two be equipped with the tubular pile mould that is used for preparing the tubular pile between the fixed plate, two rotate between the fixed plate and be connected with two telescopic links that are used for supporting tube pile mould, the joint has the protection casing that is used for protecting tube pile mould on the base, symmetrical fixedly connected with fixed column on the protection casing, the joint has a plurality ofly and the elastic mechanism that tubular pile mould cooperation was used on the fixed column, it is connected with the dwang to rotate on the base, be equipped with on the base and be used for dwang pivoted installation cavity, the one end joint that the installation cavity was kept away from to the dwang has a twist grip.
Preferably, the elastic mechanism includes the fixed cover with the fixed column joint, fixed cover one end fixedly connected with installation piece, sliding connection has the slide bar on the installation piece, be equipped with the slip chamber that is used for the slide bar horizontal slip on the installation piece, slip intracavity fixedly connected with rectangular pole, be equipped with the rectangular channel that is used for connecting the rectangular pole on the slide bar, be equipped with the runner on the installation piece, runner and slide bar threaded connection.
Preferably, the slide bar is kept away from the one end of installation piece and is rotated and be connected with the connecting block, connecting block one end sliding connection has the horizontal pole, it is equipped with first spring to encircle on the horizontal pole, first spring and connecting block fixed connection, the one end fixedly connected with backup pad of connecting block is kept away from to first spring, two installation poles of symmetry fixedly connected with in the backup pad, two be equipped with the carriage release lever between the installation pole, it is connected with from the driving wheel to rotate on the carriage release lever, be equipped with the through-hole that is used for connecting the carriage release lever from the driving wheel.
Preferably, slewing mechanism include with dwang fixed connection's turning block, the first magnetite of fixedly connected with on the turning block, sliding connection has first piston in the installation cavity, fixedly connected with and first magnetite facing the same second magnetite of face magnetism on the first piston.
Preferably, slide mechanism includes the sliding sleeve with the installation cavity intercommunication, sliding connection has the second piston on the sliding sleeve, second piston below fixedly connected with slip post, it has the removal post to rotate on the slip post, two pulleys of symmetry fixedly connected with on the removal post.
Preferably, the fixed plate on the right side is provided with a rotating shaft, the fixed plate is provided with a servo motor for driving the rotating shaft to rotate, one end of the rotating shaft is fixedly connected with a circular plate for installing the tubular pile mould, and the fixed plate on the left side is rotatably connected with a rotating column.
Preferably, the base is provided with a base plate which is fixedly connected symmetrically, the base plate is connected with a plurality of support rods in a sliding mode, each support rod is provided with a second spring in a surrounding mode, one end of each second spring is fixedly connected with the base plate, one end of each second spring, far away from the base plate, is fixedly connected with a support block, and the support blocks are fixedly connected with the support rods.
Preferably, the base is provided with connecting pipes communicated with the installation cavity symmetrically, the connecting pipes are connected with a third piston in a sliding mode, and a second magnet fixedly connected to the third piston is provided with a third magnet with the same magnetic property.
Preferably, the symmetry is equipped with the rectangular plate that is used for connecting the base on the safety cover, sliding connection has the axle of inserting on the rectangular plate, it has the fixed block to insert a top joint, sliding connection has the sliding block on the connecting pipe, sliding block top fixedly connected with stopper, insert epaxial erection column that is equipped with, be equipped with the recess that is used for connecting the erection column on the stopper.
Compared with the prior art, the invention has the beneficial effects that:
1. the protective cover is arranged above the pipe pile die, can protect the pipe pile die, rotates the rotating wheel, because the rotating wheel is in threaded connection with the sliding rod, and the rectangular rod fixedly connected with the mounting block is in sliding connection with the rectangular groove on the sliding rod, the sliding rod can slide in the sliding cavity while the rotating wheel rotates, therefore, the position of the connecting block connected with the first sliding rod can be adjusted, the two ends of the first spring are respectively connected with the connecting block and the supporting plate, the driven wheel arranged on the movable rod connected with the supporting plate through the mounting rod enables the driven wheel to be contacted with the pipe pile die, the first spring will have certain elasticity along with the slip of horizontal pole, just can slow down rocking of tubular pile mould at the rotation in-process, prevents droing of tubular pile mould for tubular pile mould rotates the stability of in-process better, has improved the security of preparation tubular pile.
2. Through rotating the dwang, fixed connection's first magnetite on the turning block, will be relative with the second magnetite on the first piston in the installation cavity, because first magnetite and second magnetite face in opposite directions's magnetism is the same, first piston will slide under the effect of action, first piston removes, will make the pressure increase in the space between first piston and the second piston, the second piston lapse, the pulley will be along with the second piston lapse together, make the supporting shoe on the base leave ground, thereby make the removal of base more convenient, do not need artificial to remove the base, staff's work load has been reduced.
Drawings
Fig. 1 is a schematic structural view of the front side of a centrifugal forming device for preparing a prestressed high-strength concrete pipe pile according to the present invention;
FIG. 2 is a schematic side view of a centrifugal forming apparatus for manufacturing a prestressed high-strength concrete pipe pile according to the present invention;
fig. 3 is a schematic top view of a centrifugal forming apparatus for preparing a prestressed high-strength concrete pipe pile according to the present invention;
FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
FIG. 5 is a schematic view of a portion B of FIG. 1;
fig. 6 is a schematic structural view of the front side of a centrifugal forming device for preparing a prestressed high-strength concrete pipe pile according to the present invention;
fig. 7 is a partially enlarged structural diagram of C in fig. 6.
In the figure: the device comprises a base 1, a sliding column 2, a first piston 3, a rotating rod 4, a first magnet 5, a second magnet 6, a pulley 7, a moving column 8, a sliding sleeve 9, a second piston 10, a mounting cavity 11, a supporting block 12, a fixed column 13, a tubular pile die 14, a protective cover 15, a fixed plate 16, a fixed sleeve 17, a telescopic rod 18, a rotating column 19, a servo motor 20, a rotating shaft 21, a circular plate 22, a rectangular rod 23, a rotating wheel 24, a mounting block 25, a sliding rod 26, a first spring 27, a supporting plate 28, a driven wheel 29, a moving rod 30, a mounting rod 31, a cross rod 32, a connecting block 33, a backing plate 34, a supporting rod 35, a second spring 36, a rectangular plate 37, a limiting block 38, an inserting shaft 39, a mounting column 40, a connecting pipe 41, a sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
Referring to fig. 1-5, a centrifugal forming device for preparing a prestressed high-strength concrete tubular pile comprises a base 1, two fixing plates 16 are symmetrically arranged on the base 1, a tubular pile die 14 for preparing a tubular pile is arranged between the two fixing plates 16, two telescopic rods 18 for supporting the tubular pile die 14 are rotatably connected between the two fixing plates 16, a protective cover 15 for protecting the tubular pile die 14 is connected to the base 1 in a clamping manner, fixing columns 13 are symmetrically and fixedly connected to the protective cover 15, a plurality of elastic mechanisms matched with the tubular pile die 14 are connected to the fixing columns 13 in a clamping manner, a rotating rod 4 is rotatably connected to the base 1, an installation cavity 11 for rotating the rotating rod 4 is arranged on the base 1, a rotating handle is connected to one end, away from the installation cavity 11, of the rotating rod 4, a rotating mechanism is arranged on the installation cavity 11, and sliding mechanisms matched with.
Elastic mechanism includes the fixed cover 17 with fixed column 13 joint, and fixed cover 17 one end fixedly connected with installation piece 25, sliding connection has slide bar 26 on the installation piece 25, is equipped with the slip chamber that is used for slide bar 26 horizontal slip on the installation piece 25, and slip intracavity fixedly connected with rectangular pole 23 is equipped with the rectangular channel that is used for connecting rectangular pole 23 on the slide bar 26, is equipped with runner 24 on the installation piece 25, runner 24 and slide bar 26 threaded connection.
The one end that installation piece 25 was kept away from to slide bar 26 rotates and is connected with connecting block 33, connecting block 33 one end sliding connection has horizontal pole 32, it is equipped with first spring 27 to surround on the horizontal pole 32, first spring 27 and connecting block 33 fixed connection, the one end fixedly connected with backup pad 28 of connecting block 33 is kept away from to first spring 27, two installation poles 31 of symmetry fixedly connected with on the backup pad 28, be equipped with carriage release lever 30 between two installation poles 31, it is connected with from driving wheel 29 to rotate on the carriage release lever 30, be equipped with the through-hole that is used for connecting carriage release lever 30 from driving wheel 29.
Slewing mechanism includes the turning block with 4 fixed connection of dwang, the first magnetite of fixedly connected with 5 on the turning block, sliding connection has first piston 3 in the installation cavity 11, fixedly connected with and the same second magnetite 6 of 5 looks facies magnetism of first magnetite on the first piston 3, sliding mechanism includes the sliding sleeve 9 with the 11 intercommunication of installation cavity, sliding connection has second piston 10 on the sliding sleeve 9, second piston 10 below fixedly connected with slip post 2, the last rotating connection of slip post 2 has removal post 8, remove two pulleys 7 of symmetry fixedly connected with on the post 8.
Be located and be equipped with axis of rotation 21 on the fixed plate 16 on right side, be equipped with on the fixed plate 16 and be used for driving axis of rotation 21 pivoted servo motor 20, axis of rotation 21 one end fixedly connected with is used for installing the plectane 22 of tubular pile mould 14, be located and rotate on the left fixed plate 16 and be connected with and rotate post 19, symmetry fixedly connected with backing plate 34 on the base 1, sliding connection has a plurality of bracing pieces 35 on the backing plate 34, all encircle on every bracing piece 35 and be equipped with second spring 36, second spring 36 one end and backing plate 34 fixed connection, the one end fixedly connected with supporting shoe 12 of backing plate 34 is kept away from to second spring 36, supporting shoe 12.
In the invention, cement raw materials are put on a tubular pile mould 14, one end of the tubular pile mould 14 is clamped with a circular plate 22 fixedly connected on a rotating shaft 21, the other end of the tubular pile mould 14 is connected with a rotating column 19 on a fixed plate 16, then the tubular pile mould 14 is arranged above two telescopic rods 18, so that the tubular pile mould 14 is contacted with the telescopic rods 18 in the rotating process, the telescopic rods 18 rotate, the stability of the tubular pile mould 14 is better, a protective cover 15 is arranged above the tubular pile mould 14, the tubular pile mould 14 can have the protective function, by clamping a fixed sleeve 17 with a fixed column 13, then a rotating wheel 24 is rotated, because the rotating wheel 24 is in threaded connection with the sliding rod 26, and simultaneously, a rectangular rod 23 fixedly connected on a mounting block 25 is in sliding connection with a rectangular groove on the sliding rod 26, the sliding rod 26 can slide in a sliding cavity while the rotating wheel 24 rotates, therefore, the position of a connecting block 33 connected with the sliding rod 26 can be adjusted, the first spring 27 arranged on the cross rod 32 in sliding connection with one end of the connecting block 33 in a surrounding mode is connected with the connecting block 33 and the supporting plate 28, two ends of the first spring 27 are respectively connected with the connecting block 33 and the supporting plate 28, and the driven wheel 29 arranged on the moving rod 30 connected with the supporting plate 28 through the mounting rod 31 can reduce the vibration of the pipe pile mould 14 in the rotating process, so that the stability of the pipe pile mould 14 in the rotating process is better.
Through rotating dwang 4, because dwang 4 and turning block fixed connection, fixed connection's first magnetite 5 on the turning block, will be relative with second magnetite 6 on the first piston 3 in the installation cavity 11, because the magnetism of first magnetite 5 and the 6 looks of second magnetite is the same, first piston 3 will be under the effect of action of force, slide in installation cavity 11, because sliding sleeve 9 and installation cavity 11 communicate each other, first piston 3 removes, will make the pressure increase in the space between first piston 3 and the second piston 10, second piston 10 slides down, the removal post 8 of rotating connection on second piston 10 below fixed connection's the slip post 2, both ends are connected pulley 7 and will be along with second piston 10 downstream together, make supporting shoe 12 on the base 1 leave ground, thereby make the removal of base 1 more convenient.
Example two
Referring to fig. 6-7, the base 1 is symmetrically provided with connecting pipes 41 communicated with the mounting cavity 11, the connecting pipes 41 are slidably connected with a third piston 43, the third piston 43 is fixedly connected with a third magnet with the same magnetic property of the opposite surface of the second magnet 6, the protective cover 15 is symmetrically provided with a rectangular plate 37 for connecting the base 1, the rectangular plate 37 is slidably connected with an inserting shaft 39, a fixed block is clamped above the inserting shaft 39, the connecting pipes 41 are slidably connected with a sliding block 42, a limiting block 38 is fixedly connected above the sliding block 42, the inserting shaft 39 is provided with a mounting column 40, and the limiting block 38 is provided with a groove for connecting the mounting column 40.
In the invention, when the rotating rod 4 is rotated, the second magnet 6 on the first piston 3 is opposite to the first magnet 5 on the rotating block, the repulsive force exists between the first magnet 5 and the second magnet 6, the first piston 3 slides in the mounting cavity 11, when the first piston 3 slides in the mounting cavity 11, because the opposite surfaces of the second magnet 6 and the third magnet on the third piston 43 have the same magnetism, the third piston 43 slides in the connecting pipe 41 under the action of the force, and contacts with the sliding block 42 in the moving process of the third piston 43, the sliding block 42 moves under the action of the external force, the limit block 38 fixedly connected above the sliding block 42 is connected with the mounting column 40 on the inserting shaft 39, so that the inserting shaft 39 can not slide with the rectangular plate 37, and the rectangular plate 37 is connected with the base 1 more tightly, therefore, the protective cover 15 connected with the rectangular plate 37 can be stably arranged above the base 1, and the pipe pile mold 14 can move stably to form a pipe pile.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The centrifugal forming equipment for preparing the prestressed high-strength concrete tubular pile comprises a base (1) and is characterized in that two fixing plates (16) are symmetrically arranged on the base (1), a tubular pile die (14) for preparing the tubular pile is arranged between the two fixing plates (16), two telescopic rods (18) for supporting the tubular pile die (14) are rotatably connected between the two fixing plates (16), a protective cover (15) for protecting the tubular pile die (14) is clamped on the base (1), fixed columns (13) are symmetrically and fixedly connected on the protective cover (15), a plurality of elastic mechanisms matched with the tubular pile die (14) for use are clamped on the fixed columns (13), a rotating rod (4) is rotatably connected on the base (1), an installation cavity (11) for rotating the rotating rod (4) is arranged on the base (1), and a rotating handle is clamped at one end, far away from the installation cavity (11), of the rotating rod (4), the mounting cavity (11) is provided with a rotating mechanism, and the base (1) is symmetrically provided with sliding mechanisms matched with the rotating mechanism.
2. The centrifugal forming equipment for preparing the prestressed high-strength concrete pipe pile according to claim 1, wherein the elastic mechanism comprises a fixing sleeve (17) clamped with a fixing column (13), one end of the fixing sleeve (17) is fixedly connected with a mounting block (25), a sliding rod (26) is slidably connected onto the mounting block (25), a sliding cavity for the sliding rod (26) to slide left and right is formed in the mounting block (25), a rectangular rod (23) is fixedly connected into the sliding cavity, a rectangular groove for connecting the rectangular rod (23) is formed in the sliding rod (26), a rotating wheel (24) is formed in the mounting block (25), and the rotating wheel (24) is in threaded connection with the sliding rod (26).
3. The centrifugal forming equipment for preparing the prestressed high-strength concrete pipe pile according to claim 2, it is characterized in that one end of the sliding rod (26) far away from the mounting block (25) is rotatably connected with a connecting block (33), one end of the connecting block (33) is connected with a cross bar (32) in a sliding way, a first spring (27) is arranged on the cross bar (32) in a surrounding way, the first spring (27) is fixedly connected with the connecting block (33), one end of the first spring (27) far away from the connecting block (33) is fixedly connected with a supporting plate (28), two mounting rods (31) are symmetrically and fixedly connected to the supporting plate (28), a moving rod (30) is arranged between the two mounting rods (31), the movable rod (30) is rotatably connected with a driven wheel (29), and a through hole for connecting the movable rod (30) is formed in the driven wheel (29).
4. The centrifugal forming equipment for preparing the prestressed high-strength concrete tubular pile according to claim 1, wherein the rotating mechanism comprises a rotating block fixedly connected with a rotating rod (4), a first magnet (5) is fixedly connected to the rotating block, a first piston (3) is slidably connected to the installation cavity (11), and a second magnet (6) which has the same magnetism with the opposite surface of the first magnet (5) is fixedly connected to the first piston (3).
5. The centrifugal forming equipment for preparing the prestressed high-strength concrete pipe pile according to claim 1, wherein the sliding mechanism comprises a sliding sleeve (9) communicated with the installation cavity (11), a second piston (10) is connected onto the sliding sleeve (9) in a sliding mode, a sliding column (2) is fixedly connected to the lower portion of the second piston (10), a moving column (8) is connected onto the sliding column (2) in a rotating mode, and two pulleys (7) are symmetrically and fixedly connected onto the moving column (8).
6. The centrifugal forming equipment for preparing the prestressed high-strength concrete pipe pile according to claim 1, wherein the fixed plate (16) on the right side is provided with a rotating shaft (21), the fixed plate (16) is provided with a servo motor (20) for driving the rotating shaft (21) to rotate, one end of the rotating shaft (21) is fixedly connected with a circular plate (22) for installing the pipe pile die (14), and the fixed plate (16) on the left side is rotatably connected with a rotating column (19).
7. The centrifugal forming equipment for preparing the prestressed high-strength concrete tubular pile according to claim 1, wherein a base plate (34) is fixedly connected to the base (1) symmetrically, a plurality of support rods (35) are connected to the base plate (34) in a sliding mode, a second spring (36) is arranged on each support rod (35) in a surrounding mode, one end of each second spring (36) is fixedly connected with the base plate (34), one end of each second spring (36) far away from the base plate (34) is fixedly connected with a support block (12), and the support blocks (12) are fixedly connected with the support rods (35).
8. The centrifugal forming equipment for preparing the prestressed high-strength concrete pipe pile according to claim 1, wherein a connecting pipe (41) communicated with the installation cavity (11) is symmetrically arranged on the base (1), a third piston (43) is connected onto the connecting pipe (41) in a sliding manner, and a third magnet with the same magnetism is fixedly connected onto the third piston (43) and is arranged on the opposite surface of the second magnet (6).
9. The centrifugal forming equipment for preparing the prestressed high-strength concrete tubular pile according to claim 8, wherein a rectangular plate (37) for connecting the base (1) is symmetrically arranged on the protective cover (15), an inserting shaft (39) is slidably connected to the rectangular plate (37), a fixed block is connected to the upper portion of the inserting shaft (39) in a clamped mode, a sliding block (42) is slidably connected to the connecting pipe (41), a limiting block (38) is fixedly connected to the upper portion of the sliding block (42), a mounting column (40) is arranged on the inserting shaft (39), and a groove for connecting the mounting column (40) is formed in the limiting block (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244772.1A CN112518977A (en) | 2020-11-10 | 2020-11-10 | Centrifugal forming equipment for preparing prestressed high-strength concrete pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244772.1A CN112518977A (en) | 2020-11-10 | 2020-11-10 | Centrifugal forming equipment for preparing prestressed high-strength concrete pipe pile |
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| CN112518977A true CN112518977A (en) | 2021-03-19 |
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| CN202011244772.1A Pending CN112518977A (en) | 2020-11-10 | 2020-11-10 | Centrifugal forming equipment for preparing prestressed high-strength concrete pipe pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113172749A (en) * | 2021-04-15 | 2021-07-27 | 江苏汤辰机械装备制造股份有限公司 | Centrifugal equipment and centrifugal method |
| CN116079886A (en) * | 2023-02-20 | 2023-05-09 | 陕西筑恒泰管桩有限公司 | Quantitative concrete pipe pile raw material feeding device |
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| CN111778930A (en) * | 2020-07-23 | 2020-10-16 | 山东海建水利工程有限公司 | Material grouting device for hydraulic engineering construction and use method thereof |
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| JPS55117616A (en) * | 1979-03-01 | 1980-09-10 | Daido Concrete | Sound insulating cover of centrifugal machine for manufacturing concrete pile |
| CN207841711U (en) * | 2018-02-06 | 2018-09-11 | 江西中泰来混凝土管桩有限公司 | A kind of centrifugation protective device of pile pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113172749A (en) * | 2021-04-15 | 2021-07-27 | 江苏汤辰机械装备制造股份有限公司 | Centrifugal equipment and centrifugal method |
| CN116079886A (en) * | 2023-02-20 | 2023-05-09 | 陕西筑恒泰管桩有限公司 | Quantitative concrete pipe pile raw material feeding device |
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Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |