CN113926880A - Portable crimping pipe hydraulic pressure unscrambler - Google Patents
Portable crimping pipe hydraulic pressure unscrambler Download PDFInfo
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- CN113926880A CN113926880A CN202111220173.0A CN202111220173A CN113926880A CN 113926880 A CN113926880 A CN 113926880A CN 202111220173 A CN202111220173 A CN 202111220173A CN 113926880 A CN113926880 A CN 113926880A
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- bearing hook
- hook
- bearing
- crimping pipe
- crimping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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Abstract
The invention provides a portable hydraulic corrector for a crimping pipe, which is used for solving the technical problem that the crimping pipe of wires of various types and specifications of overhead transmission lines is easy to bend during construction and installation. The connecting plate is respectively connected with two sides of the supporting cylinder, the connecting plate is respectively detachably connected with the upper parts of the first bearing hook and the second bearing hook, and hook bodies at the lower parts of the first bearing hook and the second bearing hook are matched with the crimping pipe; a hydraulic cylinder is arranged in the supporting cylinder and connected with a piston rod, the piston rod extends out of the bottom of the supporting cylinder, and a compression joint block is connected to the lower part of the piston rod; and a distance adjusting device is arranged between the first bearing hook and the second bearing hook. The invention is not limited by wires with various types, specifications and large and small diameters, only the dies with different diameters are needed to be replaced, the splicing sleeve with various curvatures can be corrected, the quality of the wire connection and installation process is greatly improved, the operation reliability of a circuit is improved, and the service life of the circuit is prolonged.
Description
Technical Field
The invention relates to the technical field of power transmission line crimping, in particular to a portable crimping pipe hydraulic corrector.
Background
After the connecting wires are connected, the wires are spread in a long distance along the erected iron tower through pulleys by a wire-erecting mechanical device, after the disc wires with fixed length are spread, another disc wire with fixed length is replaced, the wires are connected between the heads and the tails of the two discs of wires in a pressure manner through a special hydraulic wire connector and then are continuously spread by a wire pulley hung on the iron tower through traction and tension machinery; the pay-off pulley suspended by the iron tower is influenced by topographic relief, so that the connected crimping pipe continuously passes through the pulley which is fluctuated and changed along with the forward running of the lead, the splicing pipe ascends when passing through the pulley and descends when going out of the pulley, the rigid aluminum splicing pipe with the length of about 0.8-1.6 m is easy to bend and deform, the splicing pipe generates concentric shaft direction stress eccentricity after bending, the splicing pipe cracks after long-term running to reduce stress mechanical strength, and finally the lead is broken and the power transmission accident is stopped.
At present, the connection of the lead in the power transmission line mainly adopts a crimping pipe crimping method for connection, but due to the technical difference of crimping operators, the field operation environment is limited and constructors are never constructed according to the rule technology in the construction process. The linear crimping pipe or the strain tension type crimping pipe of the wire has a small amount of bending phenomena, and the small amount of bending phenomena of the wire crimping pipe part are found in the process of inspection and acceptance and rechecking before the previous new line is put into operation. At present, the correction crimping pipe adopts the mode of beating of wood mostly, because beat the dynamics uncontrollable and the naked eye is observed unobviously, often the repair effect is unobvious. The problem of how to repair and correct the bent part of the crimping pipe and enable a new line to operate without defects is urgent.
Due to deformation after crimping in the process of conducting wire connection and crimping, the whole bending of the crimping pipe is easy to occur after the crimping pipe is stretched, and particularly after the conducting wire is stretched and placed through a conducting wire pulley hung on an iron tower suspension insulator string, the bending of the crimping pipe is easy to occur. The portable straightener is a portable straightener which is used for straightening a bent splicing sleeve by auxiliary equipment or a manual walking wire after the splicing sleeve of the wire is bent in the air with a height of tens of meters away from the ground. The splicing sleeve straightener which is light and convenient to operate without damage and is quickly suitable for high-altitude operation needs to be researched, and the problem that personnel operate high-altitude along a lead is inconvenient is solved.
Traditional wire crimping adopts hydraulic connection construction technique, produces holding power to aluminium thigh and steel core through the compressive deformation of multiple points of crimping pipe, needs the manual work to remove the wire mould and measure three pairs of edge distances of hexagon wire artificially in crimping process, still needs the manual detection wire to the distance that edge distance size and wire removed after the crimping, complex operation, and it is inaccurate to measure the size, needs a large amount of manpowers, and efficiency is lower. The traditional crimping mode needs to mechanically compress the power transmission and transformation wires by a special crimping tool manually, so that the steel core and the aluminum wires deform within the specified limit, and the steel core and the aluminum wires are tightly combined together, so that the structure is firmer. For workers, the crimping mode has overlarge labor amount, the tightness is influenced after crimping, and the loosening condition is easy to occur.
Disclosure of Invention
Aiming at the technical problems that the existing compression joint pipe bending part has poor repairing effect and is inconvenient for high-altitude operation, the invention provides the portable compression joint pipe hydraulic corrector which can efficiently and quickly process the bending defect of a splicing sleeve, obtains good practical effect, can realize automatic compression joint of the splicing sleeve, saves manpower and improves the working efficiency and the engineering quality; the technical problem of construction and installation process quality that the conducting wire crimping pipes of various types and specifications of the overhead transmission line in the metro level are easy to bend is solved.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: a portable hydraulic corrector for a crimping pipe comprises a connecting plate, a first bearing hook and a second bearing hook, wherein the connecting plate is respectively connected with two sides of a supporting cylinder, the connecting plate is respectively detachably connected with the upper parts of the first bearing hook and the second bearing hook, and hook bodies at the lower parts of the first bearing hook and the second bearing hook are matched with the crimping pipe; a hydraulic cylinder is arranged in the supporting cylinder and connected with a piston rod, the piston rod extends out of the bottom of the supporting cylinder, and a compression joint block is connected to the lower part of the piston rod; and a distance adjusting device is arranged between the first bearing hook and the second bearing hook. Two bearing hooks of different specifications can be selected according to pressure pipes of different specifications, and the two bearing hooks can be symmetrically distributed on two sides of the piston rod through the distance adjusting device.
Furthermore, the distance adjusting device comprises a lead screw, the middle part of the lead screw is movably connected with the lower part of the supporting cylinder, the directions of the threads on the two sides of the lead screw are opposite, and the threads on the two ends of the lead screw are respectively connected with the first bearing hook and the second bearing hook; the middle part of the screw rod is connected with the operating handle through the power mechanism, and the operating handle is movably connected with the supporting barrel. The handle corresponds to the center of the piston rod, so that the two bearing hooks can be adjusted to be symmetrically arranged relative to the piston rod, and the two bearing hooks are symmetrically adjusted through the screw rod.
Furthermore, the power mechanism comprises a main bevel gear and a slave bevel gear, the main bevel gear is fixedly connected with the operating handle, the main bevel gear is meshed with the slave bevel gear, and the slave bevel gear is fixed in the middle of the screw rod. The positions of the two bearing hooks are adjusted through the power mechanism, so that the pressure pipe is conveniently crimped.
Furthermore, the connecting plate is provided with a limiting strip, the upper parts of the first bearing hook and the second bearing hook are provided with limiting grooves, and the limiting grooves are matched with the limiting strip. The horizontal movement in the adjusting process can be ensured through the horizontally arranged limiting strips and limiting grooves, so that the reliability of the two bearing hooks is ensured.
Furthermore, the middle parts of the hook bodies of the first bearing hook and the second bearing hook are provided with telescopic rods, and two ends of each telescopic rod are detachably connected with the first bearing hook and the second bearing hook respectively. The telescopic link can carry on spacingly to the lower part or the upper portion of crimping pipe, and it is too big to place pressure, restores the overlimit.
Furthermore, be equipped with control panel on the support section of thick bamboo, control panel is last to be equipped with control button and display screen, and control button and display screen all are connected with the controller, and the controller is connected with the pneumatic cylinder.
Furthermore, a stroke sensor is arranged on the crimping block and connected with the controller. The moving distance of the crimping block is measured by a stroke sensor.
The invention has the beneficial effects that: the bending part of the splicing sleeve is slowly and uniformly pressed by the power supplied by the hydraulic cylinder, and then the bending deformation part is gradually repaired and corrected, so that the integrity of the rigid aluminum splicing sleeve is ensured, and the device is particularly suitable for being limited by high-altitude operators under the conditions that standing positions and hands and feet cannot be free, is light and convenient, has a fixed mould size and is convenient to operate; the geometric diameter of the outer surface of the bent part can be ensured not to deform, and the bent part has no bent trace and crack and does not need knocking and the like; the bent crimping pipe can be repaired through simple operation, so that the crimping pipe can be guaranteed to be operated with zero defects, and a solid foundation is laid for safe and stable operation of a line. The invention has the advantages of no damage to the internal and external compression compactness and appearance quality of the original compression-joint pipe, convenient operation and transportation, portability, total weight of not more than 5 kilograms, rapidness and convenience, low construction safety risk, capital saving, strong universality, beautiful appearance, high technical reliability, long service life and the like. The invention is not limited by wires with various types, specifications and large and small diameters, only the dies with different diameters are needed to be replaced, the splicing sleeve with various curvatures can be corrected, the quality of the wire connection and installation process is greatly improved, the operation reliability of a circuit is improved, and the service life of the circuit is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the power mechanism of the present invention.
In the figure, 1 is a supporting cylinder, 2 is a connecting plate, 3 is a first bearing hook, 4 is a limiting strip, 5 is a screw rod, 6 is an operating handle, 7 is a pressure connecting block, 8 is a piston rod, 9 is a second bearing hook, 10 is a control panel, 11 is a main bevel gear, and 12 is a slave bevel gear.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the portable hydraulic corrector for the compression joint pipe comprises a connecting plate 2, a first bearing hook 3 and a second bearing hook 9, wherein the first bearing hook 3 and the second bearing hook 9 are used for supporting a continuous pipe to be compression-jointed. The connecting plates 2 are respectively connected with two sides of the supporting cylinder 1, the two connecting plates are symmetrically arranged, and the connecting plates are used for installing two bearing hooks. The connecting plate 2 is detachably connected with the upper parts of the first bearing hook 3 and the second bearing hook 9 respectively, and bearing hooks of different specifications can be selected to be connected with the connecting plate according to different continuous pipes. And the split type design is adopted, so that the high-altitude use is facilitated. The hook body at the lower parts of the first bearing hook 3 and the second bearing hook 9 is matched with the compression joint pipe, so that the two continuous pipes can be conveniently arranged on the bearing hooks. A hydraulic cylinder is arranged in the supporting cylinder 1 and connected with a piston rod 8, the hydraulic cylinder can control the piston rod 8 to stretch, the piston rod 8 extends out of the bottom of the supporting cylinder 1, and a pressure joint block 7 is connected to the lower part of the piston rod 8; the continuous pipe is pressed and connected through the pressing and connecting block, acting force is applied to the bent part, and the bent part is matched with the bearing hook up and down, so that the pressing and connecting of the continuous pipe are achieved. The split design is carried out by adopting a hydraulic mode, the piston propulsion can be controlled, and the correction pressure is uniform. The crimping process greatly reduces the manpower participation, avoids the condition that the manual work judges according to experience, and improves the crimping quality and the operation efficiency. And a distance adjusting device is arranged between the first bearing hook 3 and the second bearing hook 9, and the distance between the two bearing hooks can be automatically adjusted through the distance adjusting device, so that the bearing hooks are symmetrically arranged on two sides of the piston rod 8.
The invention can efficiently and quickly process the bending defect of the splicing sleeve, obtains good practical effect, can successfully solve the technical problem of construction and installation process quality that the wire crimping sleeves of various types and specifications in the metro level of the overhead transmission line are easy to bend, has the advantages of no damage to the internal and external crimping compactness and the appearance quality of the original crimping sleeve, convenient operation and transportation, low construction safety risk, capital saving, strong universality, beautiful appearance, long technical reliability, long service life and the like, and is carried by one person with the total weight not exceeding 5 kilograms.
Furthermore, the distance adjusting device comprises a lead screw 5, the middle part of the lead screw 5 is movably connected with the lower part of the support cylinder 1, the thread directions of the two sides of the lead screw 5 are opposite, and the threads at the two ends of the lead screw 5 are respectively connected with the threaded holes of the first bearing hook 3 and the second bearing hook 9, so that the detachable connection of the lead screw and the bearing hooks is realized; the middle part of the screw rod 5 is connected with the operating handle 6 through a power mechanism, and the operating handle 6 is movably connected with the supporting barrel 1. The lead screw 5 is arranged on the front side of the lower part of the connecting plate 2, the lead screw 5 is respectively connected with the first bearing hook 3 and the second bearing hook 9 in a rotating mode, connection of the bearing hooks and the connecting plate is not affected, and meanwhile the distance between the two bearing hooks can be adjusted through rotation of the lead screw. The power mechanism is driven by the rotation of the handle 6 to drive the screw to rotate forwards or reversely, so that the first bearing hook 3 and the second bearing hook 9 are driven to move horizontally towards or away from the support barrel simultaneously, the first bearing hook 3 and the second bearing hook 9 are detachably connected with the connecting plate, and the distance between the two bearing hooks is adjusted.
As shown in fig. 2, the power mechanism includes a main bevel gear 11 and a slave bevel gear 12, the main bevel gear 11 is fixedly connected with the operating handle 6, the main bevel gear 11 is engaged with the slave bevel gear 12, and the slave bevel gear 12 is fixed in the middle of the lead screw 5. The handle 6 is rotated to drive the main bevel gear 11 to rotate, and the auxiliary bevel gear 12 is rotated by the main bevel gear 11 to drive the screw 5 to rotate.
As shown in figure 1, the upper parts of the first bearing hook 3 and the second bearing hook 9 are provided with accommodating grooves, and the end part of the connecting plate 2 is arranged in the accommodating grooves, so that the reliability of the connection between the bearing hooks and the connecting plate is ensured. The connecting plate 2 is provided with a horizontal limiting strip 4, the upper parts of the first bearing hook 3 and the second bearing hook 9 are both provided with a horizontal limiting groove, and the limiting grooves are matched with the limiting strip 4. The horizontally arranged limiting strip and the limiting groove ensure that the connection between the two bearing hooks and the connecting plate is always horizontal in the moving process under the action of the screw rod, so that the reliability in the moving process of the bearing hooks is ensured, and certain vertical acting force can be borne in the crimping process. Meanwhile, the first bearing fixed connection ensures the function of the bearing hook in the crimping process.
Preferably, the middle parts of the hook bodies of the first bearing hook 3 and the second bearing hook 9 are provided with telescopic rods, and two ends of each telescopic rod are detachably connected with the first bearing hook 3 and the second bearing hook 9 through threads respectively, so that the bearing hooks can be replaced conveniently. The telescopic link can stretch out and draw back thereupon at the in-process that interval adjusting device adjusted, and the telescopic link can treat the coiled tubing of crimping at the crimping in-process simultaneously and carry out the bearing at middle part, avoids crimping piece 7 to its pressure overlimit.
Preferably, a control panel 10 is arranged on the support cylinder 1, a control key and a display screen are arranged on the control panel 10, the control key and the display screen are both connected with a controller, and the controller is connected with the hydraulic cylinder. And a stroke sensor is arranged on the pressure joint block 7 and is connected with the controller. The control button can control the opening and closing of the hydraulic cylinder and the travel distance of the collected crimping block is displayed on the display screen in real time by the stroke sensor, and an operator can monitor the movement displacement of the crimping block in real time, so that the movement distance of the piston rod can be controlled, and more reliable crimping is realized.
The invention controls the bending defect of the lead splicing sleeve to slowly and uniformly apply pressure through the sensing force of the hydraulic cylinder, and does not damage the rigid aluminum splicing sleeve body. The piston stroke of the piston rod for applying force by hydraulic pressure is controlled within the range of 100mm, and the steel mould matched with the outer diameter of the wire splicing sleeve can be used for uniformly and slowly applying pressure to bend in different degrees for straightening. The portable type wire guiding device is small in size, light in weight, convenient to carry, free of environmental and space limitations, and capable of achieving rapid and flexible operation of operators on wires. The hydraulic cylinder is respectively connected with the hydraulic joint through the high-pressure oil pipe, has light weight, is not limited by an operation space, can be adjusted at any angle, is convenient for high-altitude operation and can correct deformation in all directions.
The invention utilizes hydraulic pressure to transmit the stroke of the movement length of the piston rod within 100mm to match the shape and the geometric dimension of the bent wire splicing sleeve, transmits the pressure of 5 tons per square centimeter through the movement of the piston rod at the position within the range of the bending deformation part, slowly and uniformly closes and pushes the outer diameter mould of the splicing sleeve, so that the bending part is gradually straightened and begins to reset until the standard value of the length of the crimping sleeve with the bending degree not more than 1 thousandth is met, can be flexibly adjusted at high altitude according to various bending degrees and positions on site, ensures the nondestructive and rapid straightening of the bending deformation position of the wire splicing sleeve, and further realizes the control effect of the quality standard process.
The invention is not limited by wires with various types, specifications and diameters, only needs to replace dies with different diameters, can correct splicing sleeves with various curvatures, greatly improves the quality of the wire connection and installation process, improves the quality of the wire crimping sleeve, ensures zero defect operation of a line, improves the operation reliability of the line and prolongs the service life of the line.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A portable hydraulic pressure corrector for a crimping pipe comprises a connecting plate (2), a first bearing hook (3) and a second bearing hook (9), and is characterized in that the connecting plate (2) is respectively connected with two sides of a supporting cylinder (1), the connecting plate (2) is respectively detachably connected with the upper parts of the first bearing hook (3) and the second bearing hook (9), and a hook body at the lower parts of the first bearing hook (3) and the second bearing hook (9) is matched with the crimping pipe; a hydraulic cylinder is arranged in the support cylinder (1) and is connected with a piston rod (8), the piston rod (8) extends out of the bottom of the support cylinder (1), and a pressure joint block (7) is connected to the lower part of the piston rod (8); and a distance adjusting device is arranged between the first bearing hook (3) and the second bearing hook (9).
2. The portable hydraulic corrector for the crimping pipe as claimed in claim 1, wherein the spacing adjusting device comprises a lead screw (5), the middle part of the lead screw (5) is movably connected with the lower part of the support cylinder (1), the thread directions of two sides of the lead screw (5) are opposite, and the threads at two ends of the lead screw (5) are respectively connected with a first bearing hook (3) and a second bearing hook (9); the middle part of the screw rod (5) is connected with the operating handle (6) through the power mechanism, and the operating handle (6) is movably connected with the supporting barrel (1).
3. The hydraulic corrector for a portable crimping pipe as claimed in claim 2, wherein the power mechanism comprises a main bevel gear (11) and a slave bevel gear (12), the main bevel gear (11) is fixedly connected with the operating handle (6), the main bevel gear (11) is engaged with the slave bevel gear (12), and the slave bevel gear (12) is fixed in the middle of the screw (5).
4. The portable hydraulic corrector for the crimping pipe as claimed in claim 1 or 3, wherein the connecting plate (2) is provided with a limiting strip (4), and the upper parts of the first bearing hook (3) and the second bearing hook (9) are provided with limiting grooves which are matched with the limiting strip (4).
5. The portable hydraulic corrector for the crimping pipe as claimed in claim 4, wherein the middle parts of the hook bodies of the first bearing hook (3) and the second bearing hook (9) are provided with telescopic rods, and two ends of each telescopic rod are detachably connected with the first bearing hook (3) and the second bearing hook (9) respectively.
6. The portable hydraulic corrector for the crimping pipe as claimed in claim 1 or 5, wherein a control panel (10) is arranged on the support cylinder (1), a control button and a display screen are arranged on the control panel (10), the control button and the display screen are both connected with a controller, and the controller is connected with the hydraulic cylinder.
7. The portable hydraulic corrector for crimped pipes according to claim 6, characterized in that the crimp block (7) is provided with a stroke sensor, and the stroke sensor is connected with a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220173.0A CN113926880A (en) | 2021-10-20 | 2021-10-20 | Portable crimping pipe hydraulic pressure unscrambler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220173.0A CN113926880A (en) | 2021-10-20 | 2021-10-20 | Portable crimping pipe hydraulic pressure unscrambler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113926880A true CN113926880A (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111220173.0A Pending CN113926880A (en) | 2021-10-20 | 2021-10-20 | Portable crimping pipe hydraulic pressure unscrambler |
Country Status (1)
| Country | Link |
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| CN (1) | CN113926880A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798820A (en) * | 2022-01-28 | 2022-07-29 | 广西电网有限责任公司百色供电局 | Overhead backpack type crimping pipe correcting device |
| CN117583710A (en) * | 2023-11-28 | 2024-02-23 | 常熟市龙腾滚动体制造有限公司 | Butt welding device with welding part shaping function and use method thereof |
| CN118122827A (en) * | 2024-05-07 | 2024-06-04 | 联峰钢铁（张家港）有限公司 | Elbow straightening device for bar rolled piece |
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| US4912957A (en) * | 1989-04-28 | 1990-04-03 | Dayton Rogers Manufacturing Company | Smart straightening press |
| JP2002307107A (en) * | 2001-04-13 | 2002-10-22 | Daifuku Co Ltd | Apparatus for straightening bar-shaped member |
| JP2012192447A (en) * | 2011-03-18 | 2012-10-11 | Duskin Co Ltd | Bend straightening device |
| CN107910721A (en) * | 2017-11-07 | 2018-04-13 | 广西电网有限责任公司百色供电局 | A kind of portable aluminium hydraulic pressed connecting pipe correcting device and its antidote for transmission line of electricity |
| CN208944871U (en) * | 2018-08-10 | 2019-06-07 | 中国能源建设集团安徽电力建设第二工程有限公司 | A kind of construction school pipe device |
| CN210305145U (en) * | 2019-05-17 | 2020-04-14 | 广西电网有限责任公司百色供电局 | Crimping pipe straightener with scale |
| CN211965452U (en) * | 2020-02-15 | 2020-11-20 | 自贡蜀胜电力设备有限公司 | Wire crimping pipe unscrambler |
| CN212648702U (en) * | 2020-08-28 | 2021-03-02 | 南京开拓建设有限公司 | Auxiliary device for crimping of ground wire of power transmission line |
| CN113510163A (en) * | 2021-03-31 | 2021-10-19 | 国网河南省电力公司社旗县供电公司 | Splicing sleeve straightening device |
-
2021
- 2021-10-20 CN CN202111220173.0A patent/CN113926880A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912957A (en) * | 1989-04-28 | 1990-04-03 | Dayton Rogers Manufacturing Company | Smart straightening press |
| JP2002307107A (en) * | 2001-04-13 | 2002-10-22 | Daifuku Co Ltd | Apparatus for straightening bar-shaped member |
| JP2012192447A (en) * | 2011-03-18 | 2012-10-11 | Duskin Co Ltd | Bend straightening device |
| CN107910721A (en) * | 2017-11-07 | 2018-04-13 | 广西电网有限责任公司百色供电局 | A kind of portable aluminium hydraulic pressed connecting pipe correcting device and its antidote for transmission line of electricity |
| CN208944871U (en) * | 2018-08-10 | 2019-06-07 | 中国能源建设集团安徽电力建设第二工程有限公司 | A kind of construction school pipe device |
| CN210305145U (en) * | 2019-05-17 | 2020-04-14 | 广西电网有限责任公司百色供电局 | Crimping pipe straightener with scale |
| CN211965452U (en) * | 2020-02-15 | 2020-11-20 | 自贡蜀胜电力设备有限公司 | Wire crimping pipe unscrambler |
| CN212648702U (en) * | 2020-08-28 | 2021-03-02 | 南京开拓建设有限公司 | Auxiliary device for crimping of ground wire of power transmission line |
| CN113510163A (en) * | 2021-03-31 | 2021-10-19 | 国网河南省电力公司社旗县供电公司 | Splicing sleeve straightening device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114798820A (en) * | 2022-01-28 | 2022-07-29 | 广西电网有限责任公司百色供电局 | Overhead backpack type crimping pipe correcting device |
| CN117583710A (en) * | 2023-11-28 | 2024-02-23 | 常熟市龙腾滚动体制造有限公司 | Butt welding device with welding part shaping function and use method thereof |
| CN118122827A (en) * | 2024-05-07 | 2024-06-04 | 联峰钢铁（张家港）有限公司 | Elbow straightening device for bar rolled piece |
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