CN114769333A - Connecting rod connecting shaft for cooling bed skirt plate - Google Patents
Connecting rod connecting shaft for cooling bed skirt plate Download PDFInfo
- Publication number
- CN114769333A CN114769333A CN202210340373.8A CN202210340373A CN114769333A CN 114769333 A CN114769333 A CN 114769333A CN 202210340373 A CN202210340373 A CN 202210340373A CN 114769333 A CN114769333 A CN 114769333A
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- fastening
- shaft
- rod
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a connecting rod connecting shaft for a cooling bed apron board, and relates to the technical field of cooling beds. The connecting shaft comprises a connecting shaft body and a plurality of connecting pieces, wherein the connecting shaft body is composed of a plurality of concentrically arranged rod pieces which are not in contact with each other, two adjacent rod pieces are fixed through the connecting pieces, each connecting piece comprises an air expansion shaft, a group of fastening sleeves and an air box, the group of fastening sleeves are respectively fixed at the end parts of the two adjacent rod pieces, the peripheral side surfaces of the fastening sleeves are fixed with outer guide sleeves through supports, the inner walls of the outer guide sleeves are provided with a plurality of fastening grooves, the outer side of one outer guide sleeve support is provided with an extension plate, the extension plate is provided with a guide groove, the guide groove is a square groove or a triangular groove or a kidney-shaped groove or a special-shaped groove, one end of the air expansion shaft is fixed with a side plate, and one side of the side plate is fixed with a guide rod. According to the invention, the novel connecting piece is designed for connecting and separating the two adjacent connecting shafts, so that the connecting device is convenient to disassemble and assemble, is beneficial to operation, has high safety and long service life, responds in time, and ensures the continuity in production, thereby improving the production efficiency.
Description
Technical Field
The invention belongs to the technical field of cooling beds, and particularly relates to a connecting rod connecting shaft for a cooling bed apron plate.
Background
The skirt board of the existing cooling bed is arranged on the rear side of the cooling bed and used for placing materials and transferring the materials to the cooling bed, the cooling bed is large in length, a large number of skirt boards are needed to be used, the skirt boards are arranged on a connecting shaft through connecting rods and hinged supports, an oil cylinder and a swing arm used for lifting the skirt boards are arranged at the rear part of the connecting shaft, and the skirt boards are large in number and divided into multiple sections, so that a coupler is used for connecting the skirt boards.
According to the requirement of the steel rolling process speed, the range of the cooling bed required to be used is larger as the steel rolling speed is higher, so that the number of the apron boards required to be used is larger, and the range of the cooling bed required to be used is smaller to ensure the smoothness and compactness of materials under the condition that the steel rolling speed is lower, so that the number of the apron boards required to be used is smaller;
in order to limit the position of the material, the skirt board which is not used at the moment is required to be stopped at the highest position for limiting, linkage control needs to be released by disconnecting a connecting shaft used by the skirt board connecting rod, and therefore a maintainer needs to manually dismantle the coupler, and if the steel rolling speed changes again, the connecting shaft needs to be connected, so that the coupler needs to be manually installed, the disassembly and the assembly are inconvenient, and meanwhile, the key groove position does not correspond for a long time, and the production rhythm is delayed.
Disclosure of Invention
The invention aims to provide a connecting rod connecting shaft for a cooling bed apron board, which is convenient to disassemble and assemble, is beneficial to operation, has high safety and long service life, responds in time and ensures the continuity in production by designing a novel connecting piece for connecting and separating two adjacent rod pieces, thereby improving the production efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a connecting rod connecting shaft for a cooling bed apron board, which comprises a connecting shaft body and a plurality of connecting pieces, wherein the connecting shaft body consists of a plurality of concentrically arranged rod pieces which are not in contact with each other, and two adjacent rod pieces are fixed through the connecting pieces;
the connecting piece comprises an air expansion shaft, a group of fastening sleeves and an air box;
the fastening sleeves are respectively fixed at the end parts of two adjacent rod pieces, the peripheral side surfaces of the fastening sleeves are fixedly provided with outer guide sleeves through brackets, and the inner walls of the outer guide sleeves are provided with a plurality of fastening grooves;
an extension plate is arranged on the outer side of the upper bracket of the outer guide sleeve, a guide groove is arranged on the extension plate, and the guide groove is a square groove, a triangular groove, a kidney-shaped groove or a special-shaped groove;
a side plate is fixed at one end of the air expansion shaft, a guide rod is fixed at one side of the side plate, the guide rod penetrates through the guide groove and is in sliding connection with the guide groove, and a handle is fixed at the outer side of the side plate;
the air expansion shaft penetrates through the outer guide sleeves at the lower parts of the two fastening sleeves, a plurality of convex keys on the air expansion shaft are respectively opposite to the fastening grooves on the outer guide sleeves and are in clearance fit with the fastening grooves on the outer guide sleeves, two ends of the convex keys on the air expansion shaft extend to two ends of the air expansion shaft, and an air port of the air expansion shaft is arranged as one and penetrates through the side plate;
the air box is a rectangular box, a piston is arranged in the air box, a piston rod is arranged at one end of the piston, one end of the piston rod penetrates through the front side of the air box and is fixedly provided with a push plate, a locking piece is arranged at the lower part of the outer side of the push plate, and the rear part of the air box is communicated with the air expansion shaft through an air supply pipe;
the lower part of the front side of the air box is fixedly provided with a locking sleeve through a foot pad, and the locking piece is matched with the locking sleeve.
Furthermore, the middle part in the fastening sleeve is provided with a notch, a backing ring is arranged in the notch, and the fastening sleeve is in interference fit with the rod piece through the backing ring.
Furthermore, the backing ring comprises a plurality of arc-shaped pieces, wherein two side edges of one arc-shaped piece are flat surfaces and are arranged in parallel.
Furthermore, fastening bolts penetrate through two ends of the fastening sleeve and are located on the outer side of the notch, preset holes are formed in the end portion of the rod piece, and the fastening bolts penetrate through the preset holes.
Furthermore, the opposite sides of the peripheral side face of the fastening sleeve are provided with outer planes, and the fastening bolt vertically penetrates through the two outer planes.
Further, the support comprises a vertical plate, the vertical plate is vertically fixed on the peripheral side face of the fastening sleeve, and a reinforcing rib is arranged between the vertical plate and the fastening sleeve.
Furthermore, the air supply pipe comprises a threaded hose, rigid bent pipes are connected to two ends of the threaded hose, two ends of the rigid bent pipes are communicated with the end portion of the air expansion shaft and the rear side of the air box respectively, and reinforcing steel wires are arranged in thread grooves of the threaded hose, which are close to the end portion of the rigid bent pipes.
Furthermore, the locking piece is a self-ejection bolt, and the locking sleeve is opposite to the head of the self-ejection bolt in clearance fit.
Further, the locking piece is a screw rod, the locking sleeve is in threaded connection with the bottom end of the screw rod, and a rotary disc is arranged at the top end of the screw rod.
Furthermore, a group of limiting rings are arranged on the guide rod, and chamfers are arranged at corners of the limiting rings.
The invention has the following beneficial effects:
1. according to the invention, the novel connecting piece is designed for connecting and separating the two adjacent rod pieces, so that the connecting piece is convenient to disassemble and assemble, is beneficial to operation, has high safety and long service life, responds in time, and ensures the continuity in production, thereby improving the production efficiency.
2. According to the invention, the air expansion shaft is designed for locking the two supports, and the position of the air expansion shaft is limited no matter the two rod pieces are in a separation state or a connection state, so that the interference condition caused by unlimited positions of the air expansion shaft in the separation state is avoided.
3. According to the invention, the air expansion shaft and the outer guide sleeves provided with the fastening grooves are designed for connecting the two rod pieces, so that the air expansion shaft for connection is ensured to be tightly matched with the outer guide sleeves, the occurrence of shaking is reduced, the stability between the two outer guide sleeves after connection is ensured, and meanwhile, the outer diameter of the air expansion shaft is smaller than that of the outer guide sleeves during connection and dismantling, so that the penetration of the air expansion shaft is facilitated.
4. According to the invention, the backing ring is arranged in the fastening sleeve, the fastening sleeve is connected with the rod piece through interference fit, so that the installation is facilitated, and meanwhile, the fastening property between the fastening sleeve and the rod piece can be enhanced by the designed fastening bolt and the preset hole, so that the position stability of the connecting piece is ensured.
5. According to the invention, the novel air supply pipe is designed for connecting the air box and the air expansion shaft, the telescopic function is provided for normal use of the connecting shaft, and the reinforcing steel wire is arranged at the end part of the joint of the threaded hose and the rigid bent pipe, so that the problem that the joint of the threaded hose and the rigid bent pipe is easy to damage and break away is avoided, and the stability of the air supply pipe in use is ensured.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of two rods and connectors according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the fastener sleeve and bracket;
FIG. 4 is a schematic view of the structure of the inflatable shaft;
FIG. 5 is a schematic structural view of the present invention as a whole;
in the drawings, the components represented by the respective reference numerals are listed below:
1-rod piece, 2-connecting piece, 3-air expansion shaft, 4-fastening sleeve, 5-air box, 6-bracket, 7-air supply pipe, 301-side plate, 302-guide rod, 303-handle, 304-convex key, 305-limit ring, 401-notch, 402-backing ring, 403-fastening bolt, 404-outer plane, 501-piston rod, 502-push plate, 503-locking piece, 504-backing foot, 505-locking sleeve, 601-outer guide sleeve, 602-fastening groove, 603-extension plate, 604-guide groove, 605-vertical plate, 606-reinforcing rib, 701-threaded hose and 702-rigid elbow.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, the present invention is a connecting rod connecting shaft for a skirt board of a cooling bed, comprising a connecting shaft body and a plurality of connecting pieces 2, wherein the connecting shaft body is composed of a plurality of concentrically arranged and mutually non-contact rod pieces 1, and two adjacent rod pieces 1 are fixed by the connecting pieces 2;
the connecting piece 2 comprises an air expansion shaft 3, a group of fastening sleeves 4 and an air box 5;
a group of fastening sleeves 4 are respectively fixed at the end parts of two adjacent rod pieces 1, the peripheral side surfaces of the fastening sleeves 4 are fixed with an outer guide sleeve 601 through a bracket 6, and the inner wall of the outer guide sleeve 601 is provided with a plurality of fastening grooves 602;
an extension plate 603 is arranged on the outer side of an upper bracket 6 of an outer guide sleeve 601, a guide groove 604 is arranged on the extension plate 603, and the guide groove 604 is a square groove, a triangular groove, a kidney-shaped groove or a special-shaped groove;
a side plate 301 is fixed at one end of the air expansion shaft 3, a guide rod 302 is fixed at one side of the side plate 301, the guide rod 302 penetrates through the guide groove 604 and is in sliding connection with the guide groove 604, and a handle 303 is fixed at the outer side of the side plate 301;
the air expansion shaft 3 penetrates through the outer guide sleeve 601 at the lower part of the two fastening sleeves 4, a plurality of convex keys 304 on the air expansion shaft 3 are respectively opposite to and in clearance fit with the fastening grooves 602 on the outer guide sleeve 601, two ends of the convex keys 304 on the air expansion shaft 3 extend to two ends of the air expansion shaft 3, and an air port of the air expansion shaft 3 is arranged to be one and penetrates through the side plate 301;
the air box 5 is a rectangular box, a piston is arranged in the air box 5, a piston rod 501 is arranged at one end of the piston, one end of the piston rod 501 penetrates through the front side of the air box 5 and is fixedly provided with a push plate 502, a locking piece 503 is arranged at the lower part of the outer side of the push plate 502, and the rear part of the air box 5 is communicated with the air expansion shaft 3 through an air supply pipe 7;
a lock sleeve 505 is fixed to the lower front portion of the air tank 5 via a foot 504, and the lock member 503 is engaged with the lock sleeve 505.
As shown in fig. 3, a notch 401 is formed in the middle of the fastening sleeve 4, a backing ring 402 is disposed in the notch 401, and the fastening sleeve 4 is in interference fit with the rod 1 through the backing ring 402.
As shown in FIG. 3, the backing ring 402 is composed of several arc-shaped pieces, wherein two sides of one arc-shaped piece are flat and parallel.
As shown in fig. 1 and fig. 3, fastening bolts 403 penetrate through both ends of the fastening sleeve 4, the fastening bolts 403 are located outside the slots 401, a preset hole is formed in the end of the rod 1, and the fastening bolts 403 penetrate through the preset hole.
As shown in fig. 1 and 3, the fastening sleeve 4 has outer planes 404 on opposite sides of the peripheral side thereof, and the fastening bolt 403 perpendicularly penetrates the outer planes 404.
As shown in figures 1 and 3, the bracket 6 comprises a vertical plate 605, the vertical plate 605 is vertically fixed on the peripheral side of the fastening sleeve 4, and a reinforcing rib 606 is arranged between the vertical plate 605 and the fastening sleeve 4.
As shown in fig. 1, the air supply pipe 7 includes a threaded hose 701, two ends of the threaded hose 701 are connected to rigid elbows 702, ends of the two rigid elbows 702 are respectively communicated with the end of the air shaft 3 and the rear side of the air tank 5, and a reinforcing steel wire is arranged in a thread groove of the threaded hose 701 close to the end of the rigid elbow 702.
As shown in fig. 1-2, the locking member 503 is a self-eject latch, and the locking sleeve 505 is opposite to the pin head of the self-eject latch and is in clearance fit with the pin head.
As shown in fig. 1 and 4, a set of limiting rings 305 is disposed on the guide rod 302, and chamfers are disposed at corners of the limiting rings 305.
Example two
The difference between the present embodiment and the first embodiment is: the locking piece 503 is a screw, the locking sleeve 505 is in threaded connection with the bottom end of the screw, and the top end of the screw is provided with a turntable.
The working principle of the invention is as follows: when the two rod pieces 1 need to be separated, the locking of the locking piece 503 is released, the push plate 502 is pulled outwards, air in the air expansion shaft 3 is pumped out through the cooperation of the air box 5, the piston rod 501 and the piston, at the moment, the convex key 304 on the air expansion shaft 3 is taken in, the push handle 303 can separate one end, far away from the side plate 301, of the air expansion shaft 3 from the outer guide sleeve 601 on the corresponding support 6, at the moment, the two rod pieces 1 are separated, the push plate 502 is pushed to reset and is locked through the locking piece 503, air can be supplied to the air expansion shaft 3, and the convex key 304 is placed in the outer guide sleeve 601 on the support 6 with the extension plate 603 to lock the air expansion shaft 3 and the support 6.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a connecting rod connecting axle for cold bed skirtboard, includes the connecting axle body, the connecting axle body comprises a plurality of concentric settings and each other contactless member (1), its characterized in that: the connecting rod comprises a plurality of connecting pieces (2), and two adjacent rod pieces (1) are fixed through the connecting pieces (2);
the connecting piece (2) comprises an air expansion shaft (3), a group of fastening sleeves (4) and an air box (5);
the group of fastening sleeves (4) are respectively fixed at the end parts of two adjacent rod pieces (1), the peripheral side surfaces of the fastening sleeves (4) are fixed with outer guide sleeves (601) through brackets (6), and the inner walls of the outer guide sleeves (601) are provided with a plurality of fastening grooves (602);
an extension plate (603) is arranged on the outer side of an upper support (6) of the outer guide sleeve (601), a guide groove (604) is formed in the extension plate (603), and the guide groove (604) is a square groove, a triangular groove, a kidney-shaped groove or a special-shaped groove;
a side plate (301) is fixed at one end of the inflatable shaft (3), a guide rod (302) is fixed on one side of the side plate (301), the guide rod (302) penetrates through the guide groove (604) and is in sliding connection with the guide groove (604), and a handle (303) is fixed on the outer side of the side plate (301);
the inflatable shaft (3) penetrates through the outer guide sleeve (601) at the lower part of the two fastening sleeves (4), a plurality of convex keys (304) on the inflatable shaft (3) are respectively opposite to and in clearance fit with the fastening grooves (602) on the outer guide sleeve (601), two ends of the convex keys (304) on the inflatable shaft (3) extend to two ends of the inflatable shaft (3), and an air port of the inflatable shaft (3) is arranged to be one and penetrates through the side plate (301);
the air tank (5) is a rectangular tank, a piston is arranged in the air tank (5), a piston rod (501) is arranged at one end of the piston, one end of the piston rod (501) penetrates through the front side of the air tank (5) and is fixedly provided with a push plate (502), a locking piece (503) is arranged at the lower part of the outer side of the push plate (502), and the rear part of the air tank (5) is communicated with the air expansion shaft (3) through an air supply pipe (7);
a locking sleeve (505) is fixed to the lower portion of the front side of the air box (5) through a foot pad (504), and the locking piece (503) is matched with the locking sleeve (505).
2. A connecting rod connecting shaft for a cooling bed skirt plate according to claim 1, wherein a notch (401) is formed in the middle of the fastening sleeve (4), a backing ring (402) is arranged in the notch (401), and the fastening sleeve (4) is in interference fit with the rod piece (1) through the backing ring (402).
3. A connecting rod connecting shaft for a skirt board of a cooling bed according to claim 2, wherein said grommet (402) is composed of a plurality of arc-shaped pieces, wherein both side edges of one of said arc-shaped pieces are flat and arranged in parallel.
4. A connecting rod connecting shaft for a cooling bed skirt plate according to claim 2, wherein fastening bolts (403) are penetrated through both ends of the fastening sleeve (4), the fastening bolts (403) are positioned outside the notch (401), a preset hole is formed at the end of the rod member (1), and the fastening bolts (403) penetrate through the preset hole.
5. A connecting rod connecting shaft for cold bed skirting board as claimed in claim 4, wherein the opposite sides of the peripheral side of said fastening sleeve (4) are provided with outer planes (404), and said fastening bolt (403) vertically penetrates through both outer planes (404).
6. A connecting rod connecting shaft for a cold bed skirt according to claim 1, characterised in that the bracket (6) comprises a vertical plate (605), the vertical plate (605) is vertically fixed on the peripheral side of the fastening sleeve (4), and a reinforcing rib (606) is arranged between the vertical plate (605) and the fastening sleeve (4).
7. A connecting rod connecting shaft for a cooling bed skirt board according to claim 1, wherein the air supply pipe (7) comprises a threaded hose (701), rigid bent pipes (702) are connected to both ends of the threaded hose (701), the ends of the rigid bent pipes (702) are respectively communicated with the end of the air expansion shaft (3) and the rear side of the air tank (5), and reinforcing steel wires are arranged in thread grooves of the threaded hose (701) close to the ends of the rigid bent pipes (702).
8. A connecting rod connecting shaft for a cooling bed skirt according to claim 1, wherein the locking member (503) is a self-eject latch, and the locking sleeve (505) is opposite to a pin head of the self-eject latch and is in clearance fit.
9. The connecting rod connecting shaft for the cooling bed skirt plate as claimed in claim 1, wherein the locking member (503) is a screw, the locking sleeve (505) is in threaded connection with the bottom end of the screw, and the top end of the screw is provided with a rotary disc.
10. A connecting rod connecting shaft for a cooling bed skirt plate according to claim 1, wherein a set of limiting rings (305) are arranged on the guide rod (302), and corners of the limiting rings (305) are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340373.8A CN114769333B (en) | 2022-04-02 | 2022-04-02 | Connecting rod connecting shaft for cooling bed skirtboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340373.8A CN114769333B (en) | 2022-04-02 | 2022-04-02 | Connecting rod connecting shaft for cooling bed skirtboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114769333A true CN114769333A (en) | 2022-07-22 |
| CN114769333B CN114769333B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210340373.8A Active CN114769333B (en) | 2022-04-02 | 2022-04-02 | Connecting rod connecting shaft for cooling bed skirtboard |
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| Country | Link |
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| CN (1) | CN114769333B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202513240U (en) * | 2012-02-06 | 2012-10-31 | 东莞市德瑞精密设备有限公司 | Pole piece winding and unwinding mechanism |
| CN104773564A (en) * | 2015-03-25 | 2015-07-15 | 河北工业大学 | Automatic edge-sealing adhesive tape pasting system for large-size roll material |
| CN106345826A (en) * | 2016-08-31 | 2017-01-25 | 江苏永钢集团有限公司 | Fixed apron board applicable to cooling bed roller table of bar workshop |
| CN207932792U (en) * | 2018-03-06 | 2018-10-02 | 西安凯拓自动化技术有限公司 | A kind of air-expanding shaft of band more changing device |
| CN208357485U (en) * | 2018-07-05 | 2019-01-11 | 攀钢集团工程技术有限公司 | A kind of Bar Cooling Bed and its braking skirtboard |
-
2022
- 2022-04-02 CN CN202210340373.8A patent/CN114769333B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202513240U (en) * | 2012-02-06 | 2012-10-31 | 东莞市德瑞精密设备有限公司 | Pole piece winding and unwinding mechanism |
| CN104773564A (en) * | 2015-03-25 | 2015-07-15 | 河北工业大学 | Automatic edge-sealing adhesive tape pasting system for large-size roll material |
| CN106345826A (en) * | 2016-08-31 | 2017-01-25 | 江苏永钢集团有限公司 | Fixed apron board applicable to cooling bed roller table of bar workshop |
| CN207932792U (en) * | 2018-03-06 | 2018-10-02 | 西安凯拓自动化技术有限公司 | A kind of air-expanding shaft of band more changing device |
| CN208357485U (en) * | 2018-07-05 | 2019-01-11 | 攀钢集团工程技术有限公司 | A kind of Bar Cooling Bed and its braking skirtboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114769333B (en) | 2023-09-15 |
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