CN216398275U - Pipeline cutting equipment - Google Patents

Pipeline cutting equipment Download PDF

Info

Publication number
CN216398275U
CN216398275U CN202123043353.4U CN202123043353U CN216398275U CN 216398275 U CN216398275 U CN 216398275U CN 202123043353 U CN202123043353 U CN 202123043353U CN 216398275 U CN216398275 U CN 216398275U
Authority
CN
China
Prior art keywords
pipeline
driving
cutting
lift
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123043353.4U
Other languages
Chinese (zh)
Inventor
林居章
钟华
谭江涛
姚运
莫瀚淇
尹湘龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIUZHOU VLM PRESTRESSING CO Ltd
Original Assignee
LIUZHOU VLM PRESTRESSING CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIUZHOU VLM PRESTRESSING CO Ltd filed Critical LIUZHOU VLM PRESTRESSING CO Ltd
Priority to CN202123043353.4U priority Critical patent/CN216398275U/en
Application granted granted Critical
Publication of CN216398275U publication Critical patent/CN216398275U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sawing (AREA)

Abstract

The utility model discloses pipeline cutting equipment, which relates to the technical field of pipeline cutting and comprises a guide rail, a cutting mechanism, a fixed support, a rotating mechanism, a driving mechanism and a plurality of supporting mechanisms, wherein the rotating mechanism, the driving mechanism and the supporting mechanisms are connected to the guide rail in a sliding mode, each supporting mechanism is used for supporting a pipeline at different positions in the axial direction of the pipeline and enabling the pipeline to be parallel to the guide rail, the cutting mechanism is located on one side of the guide rail, the rotating mechanism is detachably connected with one end of the pipeline and used for driving the pipeline to rotate around the axis of the pipeline, the other end of the pipeline is installed on the fixed support, the cutting mechanism is used for cutting the pipeline in the rotating process of the pipeline, and the driving mechanism is detachably connected with the pipeline and used for driving the pipeline to move towards the direction close to the fixed support. The pipe cutting equipment can be used for cutting large-diameter pipes and is low in cost.

Description

Pipeline cutting equipment
Technical Field
The utility model relates to the technical field of pipeline cutting, in particular to pipeline cutting equipment.
Background
With the continuous development of the basic construction of China, the prestressed tensioning equipment is manufactured, wherein the tensioning jack comprises jacks with different tonnages. The oil cylinder part of the jack is cylindrical, and the wall thickness is not large. At present, oil cylinder blanks of large-tonnage jacks mostly adopt seamless pipes or forgings, the diameter of the existing large-size seamless pipe is 500mm, the wall thickness is 50mm, and the length of one material is 9 m; most of the general band sawing machines cut blanks with the diameter of below 280mm and cut seamless pipes with the diameter of 500mm and the wall thickness of 50 mm. If a conventional band sawing machine or a circular saw needs a sawing machine with a large size to cut, the large equipment is expensive, large in investment and low in utilization rate. When a band sawing machine for cutting a large-diameter seamless pipe is used for cutting the seamless pipe, the large-diameter seamless pipe is large in diameter and hollow in the middle, so that a blank cut by a saw blade is easy to be askew and the saw blade is damaged. The circular saw is used for cutting a seamless pipe with the diameter of 500mm, the diameter of the saw disc needs to be more than 2 times larger than that of the seamless pipe for cutting, the manufacturing cost of the saw blade is very high, and the material consumption for cutting the saw blade is a large expense.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipeline cutting device, which solves the problems in the prior art, can be used for cutting large-diameter pipelines and is low in cost.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides pipeline cutting equipment which comprises a guide rail, a cutting mechanism, a fixed support, a rotating mechanism, a driving mechanism and a plurality of supporting mechanisms, wherein the rotating mechanism, the driving mechanism and the supporting mechanisms are connected to the guide rail in a sliding mode, each supporting mechanism is used for supporting a pipeline at different positions in the axial direction of the pipeline and enabling the pipeline to be parallel to the guide rail, the cutting mechanism is located on one side of the guide rail, the rotating mechanism is used for being detachably connected with one end of the pipeline and driving the pipeline to rotate around the axis of the pipeline, the other end of the pipeline is installed on the fixed support, the cutting mechanism is used for cutting the pipeline in the rotating process of the pipeline, and the driving mechanism is detachably connected with the pipeline and used for driving the pipeline to move towards the direction close to the fixed support.
Preferably, the pipeline clamping device further comprises two clamping elements, the two clamping elements are respectively used for clamping two ends of the pipeline, the clamping element connected with the fixed support is a front clamping element, and the clamping element connected with the driving mechanism and the rotating mechanism is a rear clamping element.
Preferably, the chucking member is a power chuck.
Preferably, rotary mechanism includes rotating electrical machines and speed reduction driving spare, rotating electrical machines speed reduction driving spare and a removal support connect gradually, speed reduction driving spare be used for right the rotational speed deceleration of rotating electrical machines output, and drive remove the support with back chucking component rotates, back chucking component be used for driving the pipeline with preceding chucking component rotates.
Preferably, the fixed bracket comprises a rotating shaft and a bottom frame, the rotating shaft is rotatably mounted at the upper end of the bottom frame, and one end of the rotating shaft is coaxially fixed with the front clamping element.
Preferably, a rocker is further mounted on the output shaft of the driving mechanism, and the rocker is used for manually controlling the movement of the pipeline by workers.
Preferably, the lower end of the supporting mechanism is provided with a guide wheel which can rotate along the length direction of the guide rail; the supporting mechanism comprises a lifting assembly and a lifting assembly, the lifting assembly and the upper end of the lifting assembly are both used for contacting the pipeline, the lifting assembly is used for driving the pipeline to lift, and the lifting assembly is used for supporting the pipeline.
Preferably, the lifting component includes hydraulic jack and elevating platform, hydraulic jack install in the lower extreme of elevating platform, and be used for driving the elevating platform goes up and down, the up end of elevating platform is equipped with positioning groove, positioning groove is used for the pipeline location.
Preferably, lift the subassembly and include accommodate the lead screw, lift platform and two and lift the roller bearing, accommodate the lead screw install in lift the lower terminal surface of platform, and be used for adjusting lift the height of platform, lift the roller bearing parallel mount in lift the up end of platform, and two lift the roller bearing all with the length direction of guide rail is parallel, two the roller bearing of lifting is located the both sides of pipeline respectively, just the axis of lifting the roller bearing is less than the axis of pipeline.
Preferably, cutting mechanism includes servo motor, transmission lead screw and slitting saw, servo motor with the transmission lead screw is connected, and is used for driving the transmission lead screw rotates, the transmission lead screw is used for driving the slitting saw rotates, and makes the slitting saw cuts the lateral wall of pipeline, just the radius of slitting saw is not less than the wall thickness of pipeline.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a pipeline cutting device, each supporting mechanism is used for supporting a pipeline at different positions along the axial direction of the pipeline and enabling the pipeline to be parallel to a guide rail so as to ensure the levelness of the pipeline and further facilitate cutting and ensure the cutting effect, the rotating mechanism is used for being detachably connected with one end of the pipeline and is used for driving the pipeline to rotate around the axis of the pipeline, the cutting mechanism is used for cutting the pipeline in the rotating process of the pipeline, the size of the cutting mechanism is not limited by the diameter of the pipeline because the pipeline rotates continuously, the size of the cutting mechanism is not limited by the wall thickness of the pipeline as long as the wall thickness of the pipeline is considered, the pipeline cutting device can be used for cutting large-diameter seamless pipes, the cost is reduced compared with the existing machine for cutting large-diameter seamless pipes, the driving mechanism is detachably connected with the pipeline and is used for driving the pipeline to move towards the direction close to a fixed support, in order to satisfy different cutting sizes, and whole simple structure, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a pipe cutting apparatus provided in the present invention;
FIG. 2 is a schematic view of the pipe cutting apparatus according to the present invention when the power chuck is released;
FIG. 3 is a schematic view of the pipe cutting apparatus of the present invention as the lifting assembly is raised;
FIG. 4 is a schematic view of the pipe cutting apparatus provided by the present invention after the billet is lifted out;
FIG. 5 is a schematic view of the pipe cutting apparatus provided by the present invention with the elevator assembly lowered;
FIG. 6 is a schematic view of a power chuck clamping in the pipe cutting apparatus provided in the present invention;
FIG. 7 is a schematic structural view of a lifting assembly in the pipe cutting apparatus provided in the present invention;
FIG. 8 is a schematic structural view of a lifting assembly in the pipe cutting apparatus provided in the present invention;
FIG. 9 is a schematic view of a cutting mechanism of the pipe cutting apparatus according to the present invention;
in the figure: 100-pipeline cutting equipment, 1-rotating motor, 2-speed reducing transmission piece, 3-moving support, 4-rear clamping element, 5-pipeline, 6-cutting mechanism, 7-front clamping element, 8-fixed support, 9-lifting assembly, 10-lifting assembly, 11-driving mechanism, 12-lifting table, 13-hydraulic jack, 14-lifting roller, 15-lifting table, 16-adjusting screw rod, 17-servo motor, 18-cutting saw, 19-transmission screw rod, 20-guide rail, 21-guide wheel and 22-rocker.
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.
The utility model aims to provide pipeline cutting equipment to solve the technical problems that the existing pipeline cutting equipment cannot be directly used for cutting large-diameter pipelines and is high in cost.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 9, the present invention provides a pipe cutting apparatus 100, which is suitable for cutting large-diameter seamless pipes, and comprises a guide rail 20, a cutting mechanism 6, a fixed support 8, a rotating mechanism slidably connected to the guide rail 20, a driving mechanism 11, and a plurality of supporting mechanisms, each supporting mechanism is used for supporting a pipe 5 at different axial positions of the pipe 5 and making the pipe 5 parallel to the guide rail 20 to ensure the levelness of the pipe 5, thereby facilitating cutting, and ensuring the cutting effect, the cutting mechanism 6 is located at one side of the guide rail 20, the rotating mechanism is used for detachably connecting with one end of the pipe 5, the rotating mechanism is used for driving the pipe 5 to rotate around the axis of the pipe 5, the other end of the pipe 5 is mounted on the fixed support 8, the cutting mechanism 6 is used for cutting the pipe 5 during the rotation of the pipe 5, because the pipe 5 is not rotated, and then to the size of cutting mechanism 6 limited less for the size of cutting mechanism 6 is not restricted by the pipeline 5 diameter, as long as consider the wall thickness of pipeline 5 can, can be used for cutting the seamless pipe of major diameter, and reduced the cost for current machine that is used for cutting the seamless pipe of major diameter, actuating mechanism 11 can be connected with pipeline 5 with dismantling, and be used for driving pipeline 5 to the direction removal that is close to fixed bolster 8, in order to satisfy different cutting size, and whole simple structure, convenient to use.
Specifically, the pipeline cutting device 100 provided by the present invention further includes two clamping elements, and the two clamping elements are respectively used for clamping two ends of the pipeline 5, so as to ensure the stability of the connection between the driving mechanism 11 and the rotating mechanism and the pipeline 5 during the cutting process, and improve the cutting effect and the cutting efficiency, wherein the clamping element used for connecting with the fixed bracket 8 is the front clamping element 7, and the clamping element used for connecting with the driving mechanism 11 and the rotating mechanism is the rear clamping element 4.
The chucking component is an electric chuck, has simple structure and convenient use, and when the pipeline 5 needs to be clamped, one end of the electric chuck is directly extended into the pipeline 5 and is propped open to be clamped on the inner wall of the pipeline 5.
The rotating mechanism comprises a rotating motor 1 and a speed reducing transmission part 2, the rotating motor 1, the speed reducing transmission part 2 and a movable support 3 are sequentially connected, the speed reducing transmission part 2 is used for reducing the rotating speed output by the rotating motor 1 and driving the movable support 3 and a rear clamping element 4 to rotate, the rear clamping element 4 is used for driving a pipeline 5 and a front clamping element 7 to rotate, the speed reducing speed of the speed reducing transmission part 2 can ensure that the pipeline 5 rotates at a slower rotating speed, and further the cutting effect of the cutting mechanism 6 is ensured.
The fixed support 8 comprises a rotating shaft and an underframe, the rotating shaft is rotatably arranged at the upper end of the underframe, one end of the rotating shaft is coaxially fixed with the front clamping element 7, the stable connection of the pipeline 5 is ensured, and the influence on the rotation of the pipeline 5 is avoided.
Still install rocker 22 on actuating mechanism 11's the output shaft, rocker 22 is used for the removal of staff manual control pipeline 5, and then realizes that the removal of pipeline 5 can enough pass through motor drive, can pass through manual control again, convenient to use.
The lower end of the supporting mechanism is provided with a guide wheel 21, and the guide wheel 21 can rotate along the length direction of the guide rail 20, so that the movement stability is improved, and the movement resistance is reduced; the supporting mechanism includes lifting unit 10 and lifts subassembly 9, and lifting unit 10 all is used for contacting pipeline 5 with the upper end of lifting unit 9, and lifting unit 10 is used for driving pipeline 5 and goes up and down to adjust cutting mechanism 6 and pipeline 5's relative position relation, and the axiality of pipeline 5 and electric chuck, the normal clear of the sequent cutting of being convenient for, lift subassembly 9 and be used for supporting pipeline 5, improve the supporting effect.
As shown in fig. 7, the lifting assembly 10 includes an oil jack 13 and a lifting platform 12, the oil jack 13 is installed at the lower end of the lifting platform 12 and used for driving the lifting platform 12 to lift, the oil jack 13 provides power through a hydraulic pump, the upper end surface of the lifting platform 12 is provided with a positioning groove, the positioning groove is used for positioning the pipeline 5, and the positioning groove is formed by opening an arc-shaped concave surface on the upper end surface of the lifting platform 12.
As shown in fig. 8, the lifting assembly 9 includes an adjusting screw 16, a lifting table 15 and two lifting rollers 14, the adjusting screw 16 is installed on a lower end surface of the lifting table 15 and is used for adjusting the height of the lifting table 15 to adapt to the heights of the lifting assembly 10 and the pipeline 5, so as to improve the supporting stability, the lifting rollers 14 are installed on an upper end surface of the lifting table 15 in parallel, the two lifting rollers 14 are both parallel to the length direction of the guide rail 20, the two lifting rollers 14 are respectively located on two sides of the pipeline 5, the axial lines of the lifting rollers 14 are lower than the axial lines of the pipeline 5, and the two lifting rollers 14 form a V-shape, so that the limiting of the pipeline 5 is realized, and the rotation of the pipeline 5 is not affected.
As shown in fig. 9, the cutting mechanism 6 includes a servo motor 17, a transmission screw rod 19 and a cutting saw 18, the servo motor 17 is connected with the transmission screw rod 19 and is used for driving the transmission screw rod 19 to rotate, the transmission screw rod 19 is used for driving the cutting saw 18 to rotate and enabling the cutting saw 18 to cut the side wall of the pipeline 5, the radius of the cutting saw 18 is not smaller than the wall thickness of the pipeline 5, the cutting saw 18 is used for cutting the pipeline 5 in a matched mode, the diameter size of the pipeline 5 does not need to be considered, only a conventional saw blade is adopted, the cost is low, and replacement is convenient. Preferably, the cutting saw 18 is a cemented carbide circular saw and the servo motor 17 can be directly controlled by a PLC.
As shown in fig. 2-6, in the actual cutting process, the pipe 5 is placed on the lifting assembly 10, and lifted by the lifting assembly 10 until the pipe 5 is coaxial with the electric chuck, the height of the lifting assembly 9 is adjusted and the lifting assembly is contacted with the pipe 5, the driving mechanism 11 drives the rear clamping element 4 to move and connects the rear clamping element 4 with one end of the pipe 5, the driving mechanism 11 drives the pipe 5 to move to the other end of the pipe 5 and connects the front clamping element 7, the rotating mechanism and the cutting mechanism 6 are started, when a blank (i.e. cut part) is cut, the electric chuck clamping jaws at both ends are loosened, the pipe 5 is driven to be lifted by the lifting assembly 10, the cut blank is hung by a crane, the pipe 5 is moved towards the direction close to the rear clamping element 4, the lifting assembly 10 is lowered, when the pipe 5 is moved in place, both ends of the pipe 5 are clamped again by the electric chuck, and continuing to cut for the next time. The pipeline 5 is driven to rotate at a low speed by the rotating mechanism, and the cutting mechanism 6 drives the cutting saw 18 which rotates at a high speed to cut by the transmission of the transmission screw rod 19 through the PLC control servo motor 17, so that the cutting of the large-diameter seamless pipe is completed.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.

Claims (10)

1. A pipe cutting apparatus characterized by: including guide rail, cutting mechanism, fixed bolster and sliding connection in rotary mechanism, actuating mechanism and a plurality of supporting mechanism on the guide rail, each supporting mechanism is used for supporting the pipeline at pipeline axial different positions to make the pipeline with the guide rail is parallel, cutting mechanism is located one side of guide rail, rotary mechanism is used for being connected with the one end of pipeline can be dismantled, just rotary mechanism is used for driving the pipeline and rotates around the axis of pipeline, the other end of pipeline install in on the fixed bolster, cutting mechanism is used for rotating the in-process at the pipeline and cuts the pipeline, actuating mechanism can be connected with the pipeline with dismantling to be used for driving the pipeline to being close to the direction removal of fixed bolster.
2. The pipe cutting apparatus of claim 1, wherein: the pipeline clamping device is characterized by further comprising two clamping elements, wherein the two clamping elements are used for clamping two ends of a pipeline respectively, the clamping elements are front clamping elements and rear clamping elements, and the clamping elements are connected with the fixed support.
3. The pipe cutting apparatus of claim 2, wherein: the clamping element is an electric chuck.
4. The pipe cutting apparatus of claim 2, wherein: the rotary mechanism comprises a rotary motor and a speed reducing transmission part, the rotary motor, the speed reducing transmission part and a movable support are sequentially connected, the speed reducing transmission part is used for reducing the rotating speed output by the rotary motor and driving the movable support and the rear clamping element to rotate, and the rear clamping element is used for driving the pipeline and the front clamping element to rotate.
5. The pipe cutting apparatus of claim 4, wherein: the fixed support comprises a rotating shaft and an underframe, the rotating shaft is rotatably arranged at the upper end of the underframe, and one end of the rotating shaft is coaxially fixed with the front clamping element.
6. The pipe cutting apparatus of claim 1, wherein: and a rocker is further installed on an output shaft of the driving mechanism and used for manually controlling the movement of the pipeline by workers.
7. The pipe cutting apparatus of claim 1, wherein: the lower end of the supporting mechanism is provided with a guide wheel which can rotate along the length direction of the guide rail; the supporting mechanism comprises a lifting assembly and a lifting assembly, the lifting assembly and the upper end of the lifting assembly are both used for contacting the pipeline, the lifting assembly is used for driving the pipeline to lift, and the lifting assembly is used for supporting the pipeline.
8. The pipe cutting apparatus of claim 7, wherein: the lifting assembly comprises an oil jack and a lifting platform, the oil jack is installed at the lower end of the lifting platform and used for driving the lifting platform to lift, a positioning groove is formed in the upper end face of the lifting platform, and the positioning groove is used for positioning the pipeline.
9. The pipe cutting apparatus of claim 7, wherein: lift the subassembly and include accommodate the lead screw, lift platform and two and lift the roller bearing, accommodate the lead screw install in lift the lower terminal surface of platform, and be used for adjusting lift the height of platform, lift roller bearing parallel mount in lift the up end of platform, and two lift the roller bearing all with the length direction of guide rail is parallel, two lift the roller bearing and be located the both sides of pipeline respectively, just the axis of lifting the roller bearing is less than the axis of pipeline.
10. The pipe cutting apparatus of claim 1, wherein: cutting mechanism includes servo motor, transmission lead screw and slitting saw, servo motor with the transmission lead screw is connected, and is used for driving the transmission lead screw rotates, the transmission lead screw is used for driving the slitting saw rotates, and makes the slitting saw is to the lateral wall cutting of pipeline, just the radius of slitting saw is not less than the wall thickness of pipeline.
CN202123043353.4U 2021-12-06 2021-12-06 Pipeline cutting equipment Active CN216398275U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123043353.4U CN216398275U (en) 2021-12-06 2021-12-06 Pipeline cutting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123043353.4U CN216398275U (en) 2021-12-06 2021-12-06 Pipeline cutting equipment

Publications (1)

Publication Number Publication Date
CN216398275U true CN216398275U (en) 2022-04-29

Family

ID=81305970

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123043353.4U Active CN216398275U (en) 2021-12-06 2021-12-06 Pipeline cutting equipment

Country Status (1)

Country Link
CN (1) CN216398275U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116197694A (en) * 2023-03-06 2023-06-02 中海福陆重工有限公司 Movable pipeline cutting auxiliary device
CN117324682A (en) * 2023-10-16 2024-01-02 浙江邦德管业有限公司 A kind of rapid cutting equipment for drainage pipes
CN117697033A (en) * 2023-12-12 2024-03-15 浙江歌瑞新材料有限公司 Automatic pipeline corner cutting machine and pipeline corner cutting method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116197694A (en) * 2023-03-06 2023-06-02 中海福陆重工有限公司 Movable pipeline cutting auxiliary device
CN116197694B (en) * 2023-03-06 2024-02-23 中海福陆重工有限公司 A movable pipe cutting auxiliary device
CN117324682A (en) * 2023-10-16 2024-01-02 浙江邦德管业有限公司 A kind of rapid cutting equipment for drainage pipes
CN117697033A (en) * 2023-12-12 2024-03-15 浙江歌瑞新材料有限公司 Automatic pipeline corner cutting machine and pipeline corner cutting method thereof

Similar Documents

Publication Publication Date Title
CN216398275U (en) Pipeline cutting equipment
CN210308069U (en) Pipe fitting cutting device is used in sensor production
CN216235720U (en) A loading and unloading handling hoisting equipment with adjustable moving direction
CN107023440B (en) Special clamp for wind power blade hoisting rotation
CN113184713A (en) Self-rotating steel coil lifting appliance of unmanned automatic crane
CN211103134U (en) Spiral pipe chamfering machine
CN109623042A (en) A kind of bend pipe double end welding groove processing tool
CN218810003U (en) U type groove prefab installation hoisting accessory
CN209647989U (en) An Improved Cable Reel Welding Shifter
CN209811363U (en) Automatic cold saw cutting device of pipe convenient to it is fixed
CN215516418U (en) Positioning instrument for mounting electromechanical equipment
CN210360488U (en) Automatic feeding and water control device for hollow axle parts
CN217595960U (en) Inner hole taper machining equipment for hydraulic press shell part
CN202317360U (en) Semiautomatic steel pipe opening device
CN219861579U (en) Passivation equipment for mechanical manufacture
CN213856719U (en) Novel flaring machine contracts
CN219636579U (en) Municipal works construction power cable drags and drops device
CN221027099U (en) Overturning lifting device for subway concrete prefabricated pipe piece
CN219576809U (en) Auxiliary device for quickly replacing conveying roller way motor
CN219325854U (en) Shifter suit based on pulley principle
CN219173631U (en) Feed mechanism and contain its work or material rest
CN223160884U (en) Maintenance steering structure of railway vehicle wheel
CN223947226U (en) Crane winding drum welding auxiliary tool
CN217991244U (en) Automatic submerged arc welding device for cylinder
CN215699385U (en) Positioning device for bracket of automatic submerged arc welding pipe fitting

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant