CN218612375U - PCCP steel cylinder cutting setting device - Google Patents
PCCP steel cylinder cutting setting device Download PDFInfo
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- CN218612375U CN218612375U CN202222860691.5U CN202222860691U CN218612375U CN 218612375 U CN218612375 U CN 218612375U CN 202222860691 U CN202222860691 U CN 202222860691U CN 218612375 U CN218612375 U CN 218612375U
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- sleeve
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- sizing sleeve
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Abstract
The application discloses PCCP steel cylinder cutting setting device relates to prestressing force steel cylinder concrete pipe production facility technical field, utilize fixing device to fix steel cylinder sizing sleeve at steel cylinder spiral welding machine's play bobbin end, wherein steel cylinder sizing sleeve is ring column structure, its internal diameter is greater than the external diameter of being supported the steel cylinder of stereotyping, the steel cylinder passes steel cylinder sizing sleeve, the outer wall and the steel cylinder sizing sleeve of steel cylinder offset, steel cylinder sizing sleeve extrudees the steel cylinder outer wall through its ring column structure, make the cross section of steel cylinder keep circular. In order to improve the conveying efficiency of the steel cylinder, a rolling device is arranged on the steel cylinder shaping sleeve; in order to facilitate installation and adjustment, a sizing sleeve adjusting device is arranged between the steel cylinder sizing sleeve and the fixing device. The whole device only needs to be slightly improved on the existing steel cylinder spiral welding machine, so that the qualification rate of the steel cylinder can be effectively improved, and the problem that the cutting is asymmetric or even can not be completely cut due to the deformation of the steel cylinder in the cutting process in the prior art is solved.
Description
Technical Field
The application relates to the technical field of prestressed steel cylinder concrete pipe production equipment, in particular to a PCCP steel cylinder cutting and shaping device.
Background
The Prestressed Concrete Cylinder Pipe (abbreviated as PCCP) is a water Pipe made by winding circumferential Prestressed steel wires on a high-strength Concrete Pipe core with a steel Cylinder and spraying a compact cement mortar protective layer on the Prestressed steel wires. The composite pipe is a novel composite pipe formed by four basic raw materials of a steel plate, a prestressed steel wire, concrete and cement mortar through manufacturing processes of steel cylinder forming, concrete pouring, application of a prestress control technology, protective layer spraying and the like. In the production process, the disc-shaped steel strip needs to be rotationally welded into a steel cylinder, and a steel cylinder spiral welding machine is generally adopted for welding. The diameter of a steel cylinder produced by my company is usually from 600mm to 1600mm, the length of the steel cylinder is from 5m to 6m, the thickness of a steel strip forming the steel cylinder is 1.5mm, an XTLH1600 small steel cylinder spiral welder (the structure of which is as disclosed in CN104325215A and is used for manufacturing a PCCP steel cylinder) is adopted, because the core cylinder of the spiral welder is shorter, a steel cylinder bracket at the tail part of the welder is also shorter, when the steel cylinder with a larger diameter and a longer length is produced, because the wall thickness is thinner, the steel cylinder is easy to deform, an oval structure is usually formed at one end far away from the core cylinder, and the structure causes the situation that the steel cylinder cannot be completely cut even is asymmetric during cutting, so that the product quality and the production efficiency are seriously affected.
Disclosure of Invention
In order to solve the above problems, the present application is implemented by the following technical solutions:
a PCCP steel cylinder cutting and shaping device comprises a steel cylinder shaping sleeve and a fixing device;
the steel cylinder shaping sleeve is of a circular ring structure, the inner diameter of the steel cylinder shaping sleeve is larger than the outer diameter of the supported and shaped steel cylinder, the steel cylinder penetrates through the steel cylinder shaping sleeve, the outer wall of the steel cylinder abuts against the steel cylinder shaping sleeve, and the steel cylinder shaping sleeve extrudes the outer wall of the steel cylinder through the circular ring structure of the steel cylinder shaping sleeve, so that the cross section of the steel cylinder keeps circular;
one end of the fixing device is fixedly connected with the periphery of the steel cylinder sizing sleeve, and the other end of the fixing device is fixedly connected with the steel cylinder spiral welding machine. The steel cylinder sizing sleeve of the ring-shaped structure is fixed at the cylinder outlet end of the steel cylinder spiral welding machine through the fixing device, and is coaxial with the core cylinder of the steel cylinder spiral welding machine, when the welded steel cylinder is sent out from the cylinder outlet end of the steel cylinder spiral welding machine, the steel cylinder sizing sleeve is hooped, the cross section of the whole steel cylinder is still kept circular by the extrusion of the steel cylinder sizing sleeve on the outer wall of the steel cylinder, so that the cutting device is convenient to cut, and the steel cylinder is prevented from being deformed to influence the use. The whole device only needs to be slightly improved on the existing steel cylinder spiral welding machine, the qualification rate of the steel cylinder can be effectively improved, and the problems that in the prior art, the cutting is asymmetric and even can not be completely cut due to the deformation of the steel cylinder in the cutting process, and the product quality and the production efficiency are seriously influenced are solved.
Preferably, the steel cylinder sizing sleeve comprises a sizing sleeve body, and a rolling device is arranged on the sizing sleeve body. The rolling device is arranged, so that friction between the steel cylinder and the sizing sleeve body can be reduced, and the steel cylinder can be conveyed and cut in a rotating mode conveniently.
Preferably, the sizing sleeve body comprises an inner sleeve and an inner sleeve reinforcing ring;
the inner sleeve is a section of circular tube, and the two sides of the circular tube are respectively and fixedly provided with the inner sleeve reinforcing rings; the inner sleeve reinforcing ring is of a circular structure formed by cutting a plate and is respectively welded on two sides of the inner sleeve;
the inner diameter of the inner sleeve is equal to that of the inner sleeve reinforcing ring, and the outer diameter of the inner sleeve reinforcing ring is larger than that of the inner sleeve;
the rolling device is fixedly arranged on the inner circumference of the inner sleeve. The cross section of the sizing sleeve body is of a C-shaped structure, so that the mechanical strength of the whole sizing sleeve body can be enhanced, and the rolling device is convenient to mount.
Preferably, the rolling device is a bull's eye wheel. The bull's-eye wheel is also called a bull's-eye universal wheel and a spherical universal wheel, is used for realizing multi-directional conveying, and is a mature industrial product. And the finished products are adopted for assembly, so that the design and manufacturing costs can be reduced.
Preferably, a plurality of fixing devices are arranged and are respectively arranged on the periphery of the steel cylinder sizing sleeve in an encircling manner;
the other end of the fixing device is fixedly connected with the tail end of a steel cylinder support on the steel cylinder spiral welding machine. The steel cylinder support is fixed to the tail end of the steel cylinder support on the steel cylinder spiral welding machine through the plurality of fixing devices arranged on the periphery of the steel cylinder sizing sleeve, and the steel cylinder sizing sleeve can be fixed to the steel cylinder spiral welding machine more stably, so that the whole structure is more compact and reasonable.
Preferably, a sizing sleeve adjusting device is further arranged between the steel cylinder sizing sleeve and the fixing device;
the bottom end of the sizing sleeve adjusting device is fixedly connected with the steel cylinder sizing sleeve, and the top end of the sizing sleeve adjusting device is adjustably connected with the fixing device. The fixing device is fixedly connected with the steel cylinder spiral welding machine, the bottom end of the sizing sleeve adjusting device is fixedly connected with the steel cylinder sizing sleeve, but the top end of the sizing sleeve adjusting device is adjustably connected with the fixing device, so that the position of the steel cylinder sizing sleeve can be adjusted, and the steel cylinder sizing sleeve is convenient to disassemble, assemble and adjust.
Preferably, the sizing sleeve adjusting device comprises an adjusting device bottom plate, an adjusting screw rod and an adjusting nut;
the adjusting device bottom plate fixing ring is arranged on the periphery of the steel cylinder sizing sleeve;
the adjusting screw is fixedly arranged on the adjusting device bottom plate;
the fixing device is provided with a screw hole, and the adjusting screw can penetrate through the screw hole;
the adjusting screw rod is fixed on the fixing device through the adjusting nut. Such design can finely tune the steel cylinder sizing sleeve through the cooperation of adjusting screw and adjusting nut to the adjustment steel cylinder sizing sleeve carries out coaxial regulation with the core barrel of steel cylinder spiral welding machine, also is convenient for follow-up change in addition, overhauls steel cylinder sizing sleeve.
Preferably, the fixing device is made of channel steel. The channel steel is easy to find, simple to machine and has enough mechanical strength.
Preferably, a plurality of rolling devices are arranged and circumferentially distributed on the inner wall of the inner sleeve;
an included angle a is formed between every two adjacent rolling devices, a ray is drawn to each rolling device from the center of the inner sleeve, and the included angle of the ray between every two adjacent rolling devices is a. An included angle a between two adjacent rolling devices distributed on the lower semicircle of the inner sleeve is less than 20 degrees; the included angle a between two adjacent rolling devices distributed on the upper semicircle of the inner sleeve is larger than 30 degrees. By the design, the rolling devices distributed on the lower semicircle of the inner sleeve are dense and can bear the weight of the steel cylinder, the rolling devices distributed on the upper semicircle of the inner sleeve are sparse, bearing is not needed, and the steel cylinder is extruded to prevent deformation, so that the using number of the rolling devices can be reduced, and the cost and the weight of the device are further reduced.
The utility model provides a PCCP steel cylinder cutting setting device passes through fixing device and fixes the steel cylinder cover at steel cylinder spiral welder's play bobbin end, and wherein the steel cylinder cover is ring column structure, and its inner diameter is greater than the external diameter of the steel cylinder of being supported the design, the steel cylinder passes the steel cylinder cover, the outer wall of steel cylinder with the steel cylinder cover offsets, and the steel cylinder cover extrudees the steel cylinder outer wall through its ring column structure for the cross section of steel cylinder keeps circularly. In addition, in order to improve the conveying efficiency of the steel cylinder, a rolling device is arranged on the steel cylinder shaping sleeve; in order to facilitate installation and adjustment, a sizing sleeve adjusting device is arranged between the steel cylinder sizing sleeve and the fixing device. The bottom end of the sizing sleeve adjusting device is fixedly connected with the steel cylinder sizing sleeve, and the top end of the sizing sleeve adjusting device is adjustably connected with the fixing device. The whole device only needs to be slightly improved on the existing steel cylinder spiral welding machine, so that the qualification rate of the steel cylinder can be effectively improved, and the problem that the product quality and the production efficiency are seriously influenced due to the fact that the steel cylinder is deformed to cause asymmetric cutting or even incomplete cutting in the cutting process in the prior art is solved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment provided herein;
FIG. 2 is a front view of an embodiment provided herein;
FIG. 3 is a left side view of an embodiment provided herein;
FIG. 4 is a top view of an embodiment provided herein;
FIG. 5 is a schematic view of the PCCP steel cylinder cutting and shaping device of the present application fixed on a steel cylinder spiral welder;
FIG. 6 is a schematic view of a steel cylinder produced according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 6 in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in figures 1 to 6, the PCCP steel cylinder cutting and shaping device comprises a steel cylinder shaping sleeve 1 and a fixing device 2.
The steel cylinder sizing sleeve 1 is of a circular ring structure, the inner diameter of the steel cylinder sizing sleeve is larger than the outer diameter of the steel cylinder 6 which is supported and sized, the steel cylinder 6 penetrates through the steel cylinder sizing sleeve 1, the outer wall of the steel cylinder 6 is abutted to the steel cylinder sizing sleeve 1, and the steel cylinder sizing sleeve 1 extrudes the outer wall of the steel cylinder 6 through the circular ring structure of the steel cylinder sizing sleeve 1, so that the cross section of the steel cylinder 6 keeps circular. One end of the fixing device 2 is fixedly connected with the periphery of the steel cylinder sizing sleeve 1, and the other end of the fixing device 2 is fixedly connected with the steel cylinder spiral welding machine 5. The fixing device 2 is made of channel steel. The channel steel is easy to find, simple to machine and has enough mechanical strength.
More specifically, the steel cylinder sizing sleeve 1 comprises a sizing sleeve body 10, and a rolling device 11 is arranged on the sizing sleeve body 10. The rolling device 11 is a bull-eye wheel. The bull's eye wheel is also called bull's eye universal wheel and spherical universal wheel, is used for realizing multi-direction transportation, is mature industrial product. And the finished product is adopted for assembly, so that the design and manufacturing cost can be reduced. The rolling device 11 is arranged to reduce the friction between the steel cylinder 6 and the sizing sleeve body 10, so that the steel cylinder 6 can be conveyed and cut in a rotating mode conveniently. The rolling devices 11 are provided in plurality, and the plurality of rolling devices 11 are circumferentially distributed on the inner wall of the inner sleeve 100. An included angle a is formed between two adjacent rolling devices 11, a ray is drawn to each rolling device 11 at the center of the inner sleeve 100, and the included angle of the ray between two adjacent rolling devices 11 is a. An included angle a between two adjacent rolling devices 11 distributed on the lower semicircle of the inner sleeve 100 is less than 20 degrees; the included angle a between two adjacent rolling devices 11 distributed on the upper semicircle of the inner sleeve 100 is larger than 30 degrees. Due to the design, the rolling devices 11 distributed on the lower semicircle of the inner sleeve 100 can be guaranteed to be dense and can bear the weight of the steel cylinder, the rolling devices 11 distributed on the upper semicircle of the inner sleeve 100 are sparse, bearing is not needed, and only the steel cylinder is extruded to prevent deformation, so that the using number of the rolling devices 11 can be reduced, and the cost and the weight of the device are further reduced.
In order to improve the mechanical strength thereof, in an embodiment, the jacket body 10 includes an inner jacket 100 and an inner jacket reinforcing ring 101. The inner sleeve 100 is a section of circular tube, and the inner sleeve reinforcing rings 101 are fixedly arranged on two sides of the circular tube respectively; the inner sleeve reinforcing ring 101 is cut into a circular structure by adopting a plate material and is respectively welded on two sides of the inner sleeve 100. The inner diameter of the inner sleeve 100 is equal to the inner diameter of the inner sleeve reinforcing ring 101, and the outer diameter of the inner sleeve reinforcing ring 101 is larger than the outer diameter of the inner sleeve 100. The rolling means 11 is fixedly provided on the inner circumference of the inner sleeve 100. The cross section of the sizing sleeve body 10 is of a C-shaped structure, so that the mechanical strength of the whole sizing sleeve body 10 can be enhanced, and the rolling device 11 is convenient to mount.
The fixing devices 2 are arranged in a plurality and are respectively arranged on the periphery of the steel cylinder sizing sleeve 1 in an encircling manner. The other end of the fixing device 2 is fixedly connected with the tail end of a steel cylinder support on the steel cylinder spiral welding machine 5. Through many fixing device 2 that set up in steel cylinder sizing sleeve 1 periphery and steel cylinder support end on the steel cylinder spiral welding machine 5 are fixed, guarantee that steel cylinder sizing sleeve 1 can fix with steel cylinder spiral welding machine 5 more firmly for whole structure is compacter reasonable.
The steel cylinder sizing sleeve 1 of ring structure passes through fixing device 2 to be fixed at the play bobbin end of steel cylinder spiral welder 5, and steel cylinder sizing sleeve 1 is coaxial with the core section of thick bamboo of steel cylinder spiral welder 5, when the play bobbin end of steel cylinder spiral welder 5 is seen off to the steel cylinder 6 that welds, just hooped by steel cylinder sizing sleeve 1, make the cross section of whole steel cylinder 6 still keep circularly through the extrusion of steel cylinder sizing sleeve 1 to the 6 outer walls of steel cylinder, the cutting device of just so being convenient for cuts, also prevent that steel cylinder 6 from warping the influence and using. The whole device only needs to be slightly improved on the existing steel cylinder spiral welder 5, so that the qualification rate of the steel cylinder can be effectively improved, and the problem that in the prior art, the product quality and the production efficiency are seriously influenced due to the fact that the steel cylinder is deformed to cause asymmetrical cutting or even incomplete cutting in the cutting process is solved.
In order to facilitate the installation and adjust the coaxiality, on the basis of the above embodiment, a sizing sleeve adjusting device 3 is further arranged between the steel cylinder sizing sleeve 1 and the fixing device 2. The bottom end of the sizing sleeve adjusting device 3 is fixedly connected with the steel cylinder sizing sleeve 1, and the top end of the sizing sleeve adjusting device 3 is adjustably connected with the fixing device 2. The fixing device 2 is fixedly connected with the steel cylinder spiral welding machine 5, the bottom end of the sizing sleeve adjusting device 3 is fixedly connected with the steel cylinder sizing sleeve 1, but the top end of the sizing sleeve adjusting device 3 is adjustably connected with the fixing device 2, so that the position of the steel cylinder sizing sleeve 1 can be adjusted, and the steel cylinder sizing sleeve is convenient to disassemble, assemble and adjust. More specifically, the sizing sleeve adjusting device 3 includes an adjusting device bottom plate 30, an adjusting screw 31, and an adjusting nut 32. The fixed ring of adjusting device bottom plate 30 is established the periphery of steel cylinder sizing sleeve 1, the higher authority of adjusting device bottom plate 30 is fixed and is provided with adjusting screw 31, the last screw hole of having seted up of fixing device 2, adjusting screw 31 can pass the screw hole, adjusting screw 31 passes through adjusting nut 32 is fixed on the fixing device 2. By means of the design, the steel cylinder sizing sleeve 1 can be finely adjusted through the matching of the adjusting screw rod 31 and the adjusting nut 32, so that the steel cylinder sizing sleeve 1 and a core cylinder of the steel cylinder spiral welding machine 5 can be conveniently adjusted to be coaxially adjusted, and in addition, the steel cylinder sizing sleeve 1 is convenient to replace and overhaul subsequently.
The utility model provides a PCCP steel cylinder cutting setting device passes through fixing device 2 and fixes steel cylinder sizing sleeve 1 at steel cylinder spiral welder 5's play bobbin end, and wherein steel cylinder sizing sleeve 1 is the ring form structure, and its internal diameter is greater than the external diameter that is supported the steel cylinder 6 of stereotyping, steel cylinder 6 passes steel cylinder sizing sleeve 1, the outer wall of steel cylinder 6 with steel cylinder sizing sleeve 1 offsets, and steel cylinder sizing sleeve 1 extrudes 6 outer walls of steel cylinder through its ring structure for the cross section of steel cylinder 6 keeps circularly. In addition, in order to improve the conveying efficiency of the steel cylinder 6, a rolling device 11 is arranged on the steel cylinder sizing sleeve 1; in order to facilitate installation and adjustment, a sizing sleeve adjusting device 3 is further arranged between the steel cylinder sizing sleeve 1 and the fixing device 2. The bottom end of the sizing sleeve adjusting device 3 is fixedly connected with the steel cylinder sizing sleeve 1, and the top end of the sizing sleeve adjusting device 3 is adjustably connected with the fixing device 2. The whole device only needs to be slightly improved on the existing steel cylinder spiral welder 5, so that the qualification rate of the steel cylinder can be effectively improved, and the problem that in the prior art, the product quality and the production efficiency are seriously influenced due to the fact that the steel cylinder is deformed to cause asymmetrical cutting or even incomplete cutting in the cutting process is solved.
Claims (9)
1. A PCCP steel cylinder cutting and shaping device is characterized by comprising a steel cylinder shaping sleeve (1) and a fixing device (2);
the steel cylinder shaping sleeve (1) is of a circular ring structure, the inner diameter of the steel cylinder shaping sleeve is larger than the outer diameter of a supported and shaped steel cylinder (6), the steel cylinder (6) penetrates through the steel cylinder shaping sleeve (1), the outer wall of the steel cylinder (6) abuts against the steel cylinder shaping sleeve (1), and the steel cylinder shaping sleeve (1) extrudes the outer wall of the steel cylinder (6) through the circular ring structure of the steel cylinder shaping sleeve to enable the cross section of the steel cylinder (6) to be circular;
one end of the fixing device (2) is fixedly connected with the periphery of the steel cylinder sizing sleeve (1), and the other end of the fixing device (2) is fixedly connected with the steel cylinder spiral welding machine (5).
2. The PCCP steel cylinder cutting and sizing device according to claim 1, wherein:
the steel cylinder sizing sleeve (1) comprises a sizing sleeve body (10), and a rolling device (11) is arranged on the sizing sleeve body (10).
3. The PCCP steel cylinder cutting and sizing device according to claim 2, wherein:
the sizing sleeve body (10) comprises an inner sleeve (100) and an inner sleeve reinforcing ring (101);
the inner sleeve (100) is a section of circular tube, and inner sleeve reinforcing rings (101) are fixedly arranged on two sides of the circular tube respectively;
the inner diameter of the inner sleeve (100) is equal to the inner diameter of the inner sleeve reinforcing ring (101), and the outer diameter of the inner sleeve reinforcing ring (101) is larger than that of the inner sleeve (100);
the rolling device (11) is fixedly arranged on the inner circumference of the inner sleeve (100).
4. The PCCP steel cylinder cutting and sizing device as claimed in claim 3, wherein:
the rolling device (11) is a bull-eye wheel.
5. The PCCP steel cylinder cutting and sizing device according to claim 1, wherein:
a plurality of fixing devices (2) are arranged and are respectively arranged on the periphery of the steel cylinder sizing sleeve (1) in an encircling manner;
the other end of the fixing device (2) is fixedly connected with the tail end of a steel cylinder support on the steel cylinder spiral welding machine (5).
6. The PCCP steel cylinder cutting and sizing device as claimed in any one of claims 1 to 5, wherein:
a sizing sleeve adjusting device (3) is also arranged between the steel cylinder sizing sleeve (1) and the fixing device (2);
the bottom end of the sizing sleeve adjusting device (3) is fixedly connected with the steel cylinder sizing sleeve (1), and the top end of the sizing sleeve adjusting device (3) is adjustably connected with the fixing device (2).
7. The PCCP steel cylinder cutting and shaping device of claim 6, wherein:
the sizing sleeve adjusting device (3) comprises an adjusting device bottom plate (30), an adjusting screw rod (31) and an adjusting nut (32);
the adjusting device bottom plate (30) is fixedly arranged on the periphery of the steel cylinder sizing sleeve (1);
the adjusting screw (31) is fixedly arranged on the adjusting device bottom plate (30);
a screw hole is formed in the fixing device (2), and the adjusting screw (31) can penetrate through the screw hole;
the adjusting screw rod (31) is fixed on the fixing device (2) through the adjusting nut (32).
8. The PCCP steel cylinder cutting and sizing device according to claim 1, wherein:
the fixing device (2) is made of channel steel.
9. The PCCP steel cylinder cutting and shaping device according to claim 3 or 4, wherein:
the rolling devices (11) are arranged in plurality, and the plurality of rolling devices (11) are circumferentially distributed on the inner wall of the inner sleeve (100);
an included angle a is formed between two adjacent rolling devices (11), and the included angle a between the two adjacent rolling devices (11) distributed on the lower semicircle of the inner sleeve (100) is less than 20 degrees; the included angle a between two adjacent rolling devices (11) distributed on the upper semicircle of the inner sleeve (100) is more than 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222860691.5U CN218612375U (en) | 2022-10-28 | 2022-10-28 | PCCP steel cylinder cutting setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222860691.5U CN218612375U (en) | 2022-10-28 | 2022-10-28 | PCCP steel cylinder cutting setting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218612375U true CN218612375U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222860691.5U Active CN218612375U (en) | 2022-10-28 | 2022-10-28 | PCCP steel cylinder cutting setting device |
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| Country | Link |
|---|---|
| CN (1) | CN218612375U (en) |
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2022
- 2022-10-28 CN CN202222860691.5U patent/CN218612375U/en active Active
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