CN208374615U - chuck clamping device - Google Patents
chuck clamping device Download PDFInfo
- Publication number
- CN208374615U CN208374615U CN201820976459.9U CN201820976459U CN208374615U CN 208374615 U CN208374615 U CN 208374615U CN 201820976459 U CN201820976459 U CN 201820976459U CN 208374615 U CN208374615 U CN 208374615U
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- chuck
- click
- bevel gear
- clamping device
- servo motor
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Abstract
The utility model provides a kind of chuck clamping device, including chuck, several click-on mechanisms being uniformly distributed in around the center of the chuck on the chuck, to be adjusted in synchronism the regulating mechanism of the distance at several centers of the click-on mechanism away from the chuck, the regulating mechanism includes the nut being connected in each click-on mechanism, the screw rod matched with each nut, it is connected to the first bevel gear of the one end at center of each screw rod close to the chuck, the second bevel gear being meshed with the first bevel gear, to drive the servo motor of the second bevel gear；The torque of the servo motor is controllable, the i.e. described servo motor is capable of providing controllable clamping force, so as to the torque needed according to parameter settings such as the thickness of pipe fitting to be clamped, weight, diameters, to realize effective clamping of pipe fitting after servo motor starting.
Description
Technical field
The utility model relates to automatic welding technique field more particularly to a kind of chuck clamping devices.
Background technique
Currently, the driving method of the chuck clamping device of pipe fitting mainly includes following several: it is pneumatic, hydraulic, electronic or
Manually.
Wherein, pneumatically it can achieve the purpose that adjusting clamping force still pneumatically exists by adjusting the mode of pressure with hydraulic
There may be the unstable even gas of air pressure during use to disconnect, influence the clamping of pipe fitting；And it is hydraulic need to configure it is special
Hydraulic power unit, it is at high cost, land occupation is big and maintenance is complicated.
Electronic to use motor as power, efficiency is higher.At present it is electronic use mainly three-phase asynchronous Ac motor with
And direct current generator.Three-phase asynchronous Ac motor is clamped by speed reducer, still, cannot achieve when weight is big and power-off from
Lock, there are security risks；And direct current generator directly drives chuck, power output is smaller, when power is off can not be self-locking, and it is hidden to there is safety
Suffer from, and is not suitable for clamping that weight is big, pipe fitting of major diameter.
In view of this, it is necessary to provide a kind of improved chuck clamping devices to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of chuck clamping devices.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution: a kind of chuck clamping device, packet
Include chuck, several click-on mechanisms being uniformly distributed on the chuck around the center of the chuck, to be adjusted in synchronism several institutes
Regulating mechanism, the control unit of the distance at center of the click-on mechanism away from the chuck are stated, the regulating mechanism includes being connected to often
Nut in one click-on mechanism, the screw rod matched with each nut are connected to each screw rod close to described
It is the first bevel gear of the one end at the center of chuck, the second bevel gear being meshed with the first bevel gear, described to drive
The servo motor of second bevel gear, the servo motor and described control unit communication connection.
As the further improved technical solution of the utility model, the regulating mechanism further includes clutch, the servo
Motor and the second bevel gear are connected to the opposite sides of the clutch.
As the further improved technical solution of the utility model, the regulating mechanism further includes being connected to the servo electricity
Speed reducer on machine, the second bevel gear are connected with the output shaft of the speed reducer.
As the further improved technical solution of the utility model, along the nut towards the direction of first bevel gear, institute
The screw pitch for stating the screw thread on screw rod is gradually reduced or is gradually increased.
As the further improved technical solution of the utility model, the chuck is equipped with radially extending along the chuck
Several sliding rails, the click-on mechanism are slidably connected to opposite with the click-on mechanism correspondingly with several click-on mechanisms
On the sliding rail answered.
As the further improved technical solution of the utility model, the chuck is equipped with a pair of with the click-on mechanism one
It should be radially extended with the limiting slot of at least partly described click-on mechanism of receiving, the limiting slot along the chuck.
As the further improved technical solution of the utility model, the click-on mechanism include claw and with the claw
The support plate being connected, the support plate are connected on the claw towards the side of the clamping direction of the click-on mechanism.
As the further improved technical solution of the utility model, the chuck clamping device further includes mounting base, rotation
The turntable and the rotary motion mechanism to drive the turntable to rotate around the center of the turntable being connected in the mounting base,
The chuck is connected on the turntable away from the side of the click-on mechanism, and in the center of the turntable and the chuck
The heart is located along the same line.
As the further improved technical solution of the utility model, the rotary motion mechanism includes being fixed on the installation
Disk on seat, is contained in the installation at the annular rack for being sheathed on the disk periphery and capableing of the relatively described disk rotational
Seat in turning motor, be connected to the gear being meshed on the output shaft of the turning motor with the annular rack；Described turn
Disk is connected on the annular rack.
As the further improved technical solution of the utility model, the servo motor is contained in the mounting base, institute
The center for stating disk has the first opening, and the mounting base is equipped with the second opening matched with first opening, described
The output shaft of servo motor stretches out and is connected with the second bevel gear from first opening and the second opening.
The beneficial effects of the utility model are: the chuck clamping device in the utility model carrys out driving card using servo motor
Pawl gear grips pipe fitting, the torque of the servo motor is controllable, i.e., the described servo motor is capable of providing controllable clamping force, thus
The torque that can be needed according to parameter settings such as the thickness of pipe fitting to be clamped, weight, diameters, to start in the servo motor
Afterwards, effective clamping of pipe fitting is realized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the chuck clamping device in the utility model.
Fig. 2 is the structural schematic diagram of another angle of chuck clamping device shown in FIG. 1.
Fig. 3 is the cross-sectional view in Fig. 2 at A-A.
Specific embodiment
The utility model is described in detail below with reference to each embodiment shown in the drawings, please refers to Fig. 1 to Fig. 3
It is shown, it is the better embodiment of the utility model.
Please join shown in Fig. 1 to Fig. 3, the utility model provides a kind of chuck clamping device 100, including chuck 1, around the card
Several click-on mechanisms 2 that the center of disk 1 is uniformly distributed on the chuck 1, to be adjusted in synchronism several click-on mechanisms 2 away from
The regulating mechanism 3 of the distance at the center of the chuck, control unit control the regulating mechanism 3 by described control unit and open
The dynamic distance that center of several click-on mechanisms 2 away from the chuck 1 is adjusted with automatic synchronization, Automatic-clamping pipe fitting and makes pipe fitting
Axle center be automatically aligned to the center of the chuck 1, the self-centering of the pipe fitting is realized, in order to subsequent welding；And the chuck
Clamping device 100 is suitable for clamping the pipe fitting of different-diameter, and versatility is stronger.
In present embodiment, the chuck clamping device 100 includes three equally distributed click-on mechanisms 2.
Specifically, the chuck 1 be equipped with along the chuck 1 radially extend with several click-on mechanisms 2 one by one
Corresponding several sliding rails 12, the click-on mechanism 2 are slidably connected on the sliding rail 12 corresponding with the click-on mechanism 2, with
In the regulating mechanism 3 starting, drives the click-on mechanism 2 to move along the sliding rail 12, adjust the click-on mechanism 2 away from institute
State the distance at the center of chuck 1.
Further, the chuck 1 is equipped with and the one-to-one limiting slot 13 of the click-on mechanism 2, the limiting slot
13 radially extending along the chuck 1 are installed with accommodating at least partly described click-on mechanism 2 by the click-on mechanism 2 to institute
After stating on chuck 1, at least partly described click-on mechanism 2 is contained in limiting slot 13 corresponding with the click-on mechanism 2, described
During click-on mechanism 2 is mobile, the moving direction of the click-on mechanism 2 is limited, enhances the mobile stabilization of the click-on mechanism 2
Property.
Specifically, in present embodiment, projection at position corresponding with each click-on mechanism 2 on the chuck 1
There are end to end multiple baffles 131, multiple baffles 131 and encloses to set to form the limiting slot 13 with the chuck 1.
Further, the click-on mechanism 2 includes claw 21 and the support plate 22 being connected with the claw 21, described
Support plate 22 is connected on the claw 21 towards the side of the clamping direction of the click-on mechanism 2, by pipe fitting to be welded
After being placed on the chuck clamping device 100, the pipe fitting is supported in the support plate 22, is opened in the regulating mechanism 3
After dynamic, drive the claw 21 mobile to clamp the pipe fitting to the direction where the pipe fitting.
Specifically, when the clamping direction is side of the claw 21 towards the center of the chuck 1, the support
Plate 22 is connected to the claw 21 towards the side at the center of the chuck 1；It is that the claw 21 deviates from the clamping direction
When the side at the center of the chuck 1, the support plate 22 is connected to the claw 21 away from the one of the center of the chuck 1
Side.
Further, the inside of the chuck 1 have with the one-to-one several cavitys 11 of several click-on mechanisms 2,
And several cavitys 11 are connected at the center of the chuck 1.
The regulating mechanism 3 include be connected in each click-on mechanism 2 nut 31, with each 31 phase of nut
The screw rod 32 of cooperation is connected to first bevel gear 33 and institute of each screw rod 32 close to the one end at the center of the chuck 1
Second bevel gear 34, the servo motor 35 to drive the second bevel gear 34 that first bevel gear 33 is meshed are stated, it is described
Servo motor and described control unit communication connection.
The torque of the servo motor 35 is controllable, i.e., the described servo motor 35 is capable of providing controllable clamping force, thus with
The torque that family can be needed according to parameter settings such as the thickness of pipe fitting to be clamped, weight, diameters, to be opened in the servo motor 35
After dynamic, described control unit controls the servo motor 35 and clamps pipe fitting with the torque of setting, realizes effective clamping of pipe fitting.
After the servo motor 35 starting, the second bevel gear 34 is driven to rotate, second bevel gear 34 drives multiple
Equally distributed first bevel gear 33 rotates, and in the rotation of multiple first bevel gears 33, multiple screw rods 32 are synchronous to be turned
It is dynamic, make multiple nuts 31 that multiple click-on mechanisms 2 be driven to move along the radial synchronous linear of the chuck 1, to realize
The clamping and release of pipe fitting.
Specifically, the second bevel gear 33 is located at the center of the chuck 1, the nut 31 and with the nut 31
Corresponding screw rod 32 is contained in corresponding cavity 11, and the first bevel gear 33 being connected with the screw rod 32 is equal
To the chuck 1 center thereof to be meshed with the second bevel gear 34.
Further, the regulating mechanism 3 further includes the speed reducer 36 being connected on the servo motor 35, and described second
Bevel gear 34 is connected with the output shaft of the speed reducer 36, after the servo motor 35 starting, subtracts through the speed reducer 36
Speed simultaneously amplifies torque, and the output shaft of the speed reducer drives the second bevel gear 34 to rotate, while improving and being transferred to the card
The clamping force of pawl mechanism 2 realizes effective clamping of the pipe fitting.
Meanwhile along the nut 31 towards the direction of first bevel gear 33, the screw pitch of the screw thread on the screw rod 32 is gradually
Reduce or is gradually increased.
It specifically, is along the nut 31 towards the direction of first bevel gear 33 in the clamping direction of the click-on mechanism 2
When, the screw pitch of the screw thread on the screw rod 32 is gradually reduced along the direction of nut 31 towards the first bevel gear 33, in institute
It states after servo motor 35 drives the click-on mechanism 2 to be moved to clamped position, realizes between the nut 31 and the screw rod 32
It is self-locking, be maintained at the click-on mechanism 2 at the clamped position, compare safety and prevent the click-on mechanism 2 from welding
It is unclamped in journey, influences welding quality.
The clamping direction of the click-on mechanism 2 be along the nut 31 towards the direction of first bevel gear 33 when, it is described
The screw pitch of screw thread on screw rod 32 is gradually increased along the direction of nut 31 towards the first bevel gear 33, in the servo electricity
It after machine 35 drives the click-on mechanism 2 to be moved to clamped position, realizes self-locking between the nut 31 and the screw rod 32, makes
The click-on mechanism 2 is maintained at the clamped position, is compared safety and is prevented the click-on mechanism 2 from unclamping in the welding process,
Influence welding quality.
Further, the regulating mechanism 3 further includes the clutch 37 with described control unit communication connection, the servo
Motor 35 and the second bevel gear 34 are connected to the opposite sides of the clutch 37, are in and inhale in the clutch 37
It when conjunction state, is combined between the second bevel gear 34 and the servo motor 35, i.e., the described servo motor 35 can drive institute
State the rotation of second bevel gear 34；When the clutch 37 is in disengaged condition, the second bevel gear 34 and the servo electricity
It is separated between machine 35, i.e., power can not be transferred to the second bevel gear 34 by the described servo motor 35.
It should be understood that the clutch 37 is located at the speed reducer 36 when the regulating mechanism 3 includes speed reducer 36
Between the second bevel gear 34, when the clutch 37 is in attracting state, the second bevel gear 34 subtracts with described
It is combined between fast machine 36, i.e., the described speed reducer 36 is able to drive the second bevel gear 34 and rotates；It is in the clutch 37
It when disengaged condition, is separated between the second bevel gear 34 and the speed reducer 36, i.e., the described speed reducer 36 can not pass power
It is handed to the second bevel gear 34.
When the regulating mechanism 3 needs that the click-on mechanism 2 is driven to clamp or release pipe fitting, described control unit control
It makes the clutch 37 and is in attracting state, to start in the servo motor 35, slow down through the speed reducer 36 and amplify torsion
After square, the output shaft of speed reducer 36 drives the rotation of second bevel gear 34 to drive the click-on mechanism 2 mobile.
In present embodiment, the clutch 37 is electromagnetic clutch, certainly, in other embodiments, the clutch
Device 37 may be set to be jaw clutch, and electromagnetic clutch and jaw clutch are the state of the art,
In this, repeat no more.
Further, the chuck clamping device 100 further include mounting base 4, be rotationally connected in the mounting base 4 turn
Disk 5 and the rotary motion mechanism 6 to drive the turntable 5 to rotate around the center of the turntable 5, the chuck 1 is away from described
The side of click-on mechanism 2 is connected on the turntable 5, and the center of the turntable 5 and the center of the chuck 1 are positioned at same straight
On line, when the rotary motion mechanism 6 drives the turntable 5 to rotate, drive the chuck 1 around the center rotating of the chuck 1,
It drives the pipe fitting being installed on the chuck 1 to rotate in turn, realizes the welding of the pipe fitting.
After pipe fitting to be welded is installed on chuck 1 and the click-on mechanism 2 clamps the pipe fitting, described control unit
It controls the clutch 37 and is in disengaged condition, so that the rotary motion mechanism 6 drives the turntable 5 to be able to drive the card
1 endless-rotating of disk, convenient for the welding of the pipe fitting.
Specifically, the rotary motion mechanism 6 includes the disk 61 being fixed in the mounting base 4, is sheathed on the circle
61 periphery of disk and the annular rack 62 that can be rotated around the disk 61, the turning motor 63 being contained in the mounting base 4, company
It is connected to the gear 64 being meshed on the output shaft of the turning motor 63 with the annular rack 62, is opened in the turning motor 63
After dynamic, the rotation of gear 64 drives the annular rack 62 to rotate around the disk 61.
The turntable 5 is connected on the annular rack 62, to rotate synchronously with the annular rack 62.
Further, the servo motor 35 is contained in the mounting base 4, and the center of the disk 61 has first to open
Mouth (not labeled), the mounting base 4 are equipped with the second opening (not labeled) matched with the first opening (not labeled), institute
The output shaft for stating servo motor 35 stretches out and described second from the first opening (not labeled) and the second opening (not labeled)
Bevel gear 34 is connected.
It should be understood that when the regulating mechanism 3 includes speed reducer 36, the output shaft of the above-mentioned servo motor 35
It stretches out and is connected with the second bevel gear 34 as institute from the first opening (not labeled) and the second opening (not labeled)
The output shaft for stating speed reducer 36 stretches out and second cone from the first opening (not labeled) and the second opening (not labeled)
Gear 34 is connected.
The output shaft of speed reducer 36 described above is not limited to one complete output shaft, which can be segmented
Setting, such as the output shaft can be divided into two sections, and one section is fixedly connected with second bevel gear 34, the other end and the deceleration
Machine 36 connect, at this point, the one end being connected with the second bevel gear 34 also cross it is described first opening (not labeled) and
Second opening (not labeled).Also, it is understood that, when the output shaft of the speed reducer 36 is divided into two sections, it is described from
Clutch 37 is located at the centre of the output shaft of two sections of speed reducers 36 to realize the combination of the output shaft of two sections of speed reducers 36
With separate.
In conclusion the chuck clamping device 100 in the utility model drives click-on mechanism 2 to press from both sides using servo motor 35
The torque of tight pipe fitting, the servo motor 35 is controllable, i.e., the described servo motor 35 is capable of providing controllable clamping force, so as to root
According to the parameter settings such as the thickness of pipe fitting to be clamped, weight, diameter need torque, with the servo motor 35 starting after,
Realize effective clamping of pipe fitting.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of chuck clamping device, several cards being uniformly distributed in including chuck, around the center of the chuck on the chuck
Pawl mechanism, the regulating mechanism of distance to be adjusted in synchronism several centers of the click-on mechanism away from the chuck, control unit,
It is characterized by: the regulating mechanism includes that the nut being connected in each click-on mechanism and each nut match
The screw rod of conjunction, be connected to center of each screw rod close to the chuck one end first bevel gear, with it is described first cone
Second bevel gear that gear is meshed, the servo motor to drive the second bevel gear, the servo motor and the control
Unit communications connection processed.
2. chuck clamping device as described in claim 1, it is characterised in that: the regulating mechanism further includes clutch, described
Servo motor and the second bevel gear are connected to the opposite sides of the clutch.
3. chuck clamping device as described in claim 1, it is characterised in that: the regulating mechanism further includes being connected to described watch
The speed reducer on motor is taken, the second bevel gear is connected with the output shaft of the speed reducer.
4. chuck clamping device as described in claim 1, it is characterised in that: along the nut towards the side of first bevel gear
To the screw pitch of the screw thread on the screw rod is gradually reduced or is gradually increased.
5. chuck clamping device as described in claim 1, it is characterised in that: the chuck is equipped with the radial direction along the chuck
Extend several sliding rails, the click-on mechanism are slidably connected to and the click-on mechanism correspondingly with several click-on mechanisms
On the corresponding sliding rail.
6. chuck clamping device as described in claim 1, it is characterised in that: the chuck is equipped with and the click-on mechanism one
The one corresponding limiting slot to accommodate at least partly described click-on mechanism, the limiting slot are radially extended along the chuck.
7. chuck clamping device as described in claim 1, it is characterised in that: the click-on mechanism include claw and with it is described
The support plate that claw is connected, the support plate are connected on the claw towards the one of the clamping direction of the click-on mechanism
Side.
8. the chuck clamping device as described in any one of claim 1-7, it is characterised in that: the chuck clamping device is also
Including mounting base, the turntable being rotationally connected in the mounting base and to drive the turntable to rotate around the center of the turntable
Rotary motion mechanism, the chuck is connected on the turntable away from the side of the click-on mechanism, and in the turntable
The center of the heart and the chuck is located along the same line.
9. chuck clamping device as claimed in claim 8, it is characterised in that: the rotary motion mechanism is described including being fixed on
Disk in mounting base, the annular rack for being sheathed on the disk periphery and capableing of the relatively described disk rotational, be contained in it is described
Turning motor in mounting base is connected to the gear being meshed on the output shaft of the turning motor with the annular rack；Institute
Turntable is stated to be connected on the annular rack.
10. chuck clamping device as claimed in claim 9, it is characterised in that: the servo motor is contained in the mounting base
Interior, the center of the disk has the first opening, and the mounting base is equipped with the second opening matched with first opening,
The output shaft of the servo motor stretches out and is connected with the second bevel gear from first opening and the second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976459.9U CN208374615U (en) | 2018-06-25 | 2018-06-25 | chuck clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976459.9U CN208374615U (en) | 2018-06-25 | 2018-06-25 | chuck clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374615U true CN208374615U (en) | 2019-01-15 |
Family
ID=64964420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820976459.9U Active CN208374615U (en) | 2018-06-25 | 2018-06-25 | chuck clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374615U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732233A (en) * | 2019-03-08 | 2019-05-10 | 昆山华恒焊接股份有限公司 | Flange, straight tube group are to equipment |
| CN110369945A (en) * | 2019-07-24 | 2019-10-25 | 杭州芷盛网络科技有限公司 | Based on the building pipe centring means for moving synchronously principle |
| CN111300302A (en) * | 2020-02-10 | 2020-06-19 | 王晶晶 | Spare part clamping device for automobile production |
| CN111570834A (en) * | 2020-05-07 | 2020-08-25 | 安徽绪稻康建筑工程咨询有限公司 | Self-centering clamping method applied to numerical control machining |
| CN111730273A (en) * | 2020-07-27 | 2020-10-02 | 杨康艺 | Inner and outer fork assembly butt welding tool |
| CN112208005A (en) * | 2020-09-03 | 2021-01-12 | 上海汉虹精密机械有限公司 | Quartz crucible clamping, rotating, lifting and horizontal moving device |
| CN112318053A (en) * | 2020-10-28 | 2021-02-05 | 毛晓鹏 | Be used for air compressor machine jar body welded to assemble location frock |
| CN112719725A (en) * | 2020-12-22 | 2021-04-30 | 南京珊秀科技有限公司 | Prestressed concrete tubular pile manufacturing, forming and processing system |
| CN113528770A (en) * | 2021-07-22 | 2021-10-22 | 洛阳升华感应加热股份有限公司 | Hydraulic clamping device for large-scale ferrule parts |
| CN113732611A (en) * | 2021-08-31 | 2021-12-03 | 陈毅 | Automatic welding platform |
| CN117020470A (en) * | 2023-10-09 | 2023-11-10 | 江苏扬阳化工设备制造有限公司 | Welding device for pressure vessel |
-
2018
- 2018-06-25 CN CN201820976459.9U patent/CN208374615U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732233A (en) * | 2019-03-08 | 2019-05-10 | 昆山华恒焊接股份有限公司 | Flange, straight tube group are to equipment |
| CN110369945B (en) * | 2019-07-24 | 2020-09-04 | 杭州芷盛网络科技有限公司 | Centering device for building pipeline based on synchronous motion principle |
| CN110369945A (en) * | 2019-07-24 | 2019-10-25 | 杭州芷盛网络科技有限公司 | Based on the building pipe centring means for moving synchronously principle |
| CN111300302A (en) * | 2020-02-10 | 2020-06-19 | 王晶晶 | Spare part clamping device for automobile production |
| CN111570834B (en) * | 2020-05-07 | 2021-07-16 | 深圳丹弗科技有限公司 | Self-centering clamping method applied to numerical control machining |
| CN111570834A (en) * | 2020-05-07 | 2020-08-25 | 安徽绪稻康建筑工程咨询有限公司 | Self-centering clamping method applied to numerical control machining |
| CN111730273A (en) * | 2020-07-27 | 2020-10-02 | 杨康艺 | Inner and outer fork assembly butt welding tool |
| CN112208005A (en) * | 2020-09-03 | 2021-01-12 | 上海汉虹精密机械有限公司 | Quartz crucible clamping, rotating, lifting and horizontal moving device |
| CN112318053A (en) * | 2020-10-28 | 2021-02-05 | 毛晓鹏 | Be used for air compressor machine jar body welded to assemble location frock |
| CN112719725A (en) * | 2020-12-22 | 2021-04-30 | 南京珊秀科技有限公司 | Prestressed concrete tubular pile manufacturing, forming and processing system |
| CN113528770A (en) * | 2021-07-22 | 2021-10-22 | 洛阳升华感应加热股份有限公司 | Hydraulic clamping device for large-scale ferrule parts |
| CN113732611A (en) * | 2021-08-31 | 2021-12-03 | 陈毅 | Automatic welding platform |
| CN117020470A (en) * | 2023-10-09 | 2023-11-10 | 江苏扬阳化工设备制造有限公司 | Welding device for pressure vessel |
| CN117020470B (en) * | 2023-10-09 | 2023-12-22 | 江苏扬阳化工设备制造有限公司 | Welding device for pressure vessel |
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