CN208744048U - Anti-offset device is rotated suitable for pressure steel pipe of hydropower station - Google Patents
Anti-offset device is rotated suitable for pressure steel pipe of hydropower station Download PDFInfo
- Publication number
- CN208744048U CN208744048U CN201821342360.XU CN201821342360U CN208744048U CN 208744048 U CN208744048 U CN 208744048U CN 201821342360 U CN201821342360 U CN 201821342360U CN 208744048 U CN208744048 U CN 208744048U
- Authority
- CN
- China
- Prior art keywords
- plate
- nozzle
- bearing
- neck ring
- gusset
- 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
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A kind of to rotate anti-offset device suitable for pressure steel pipe of hydropower station, it includes nozzle Fang Chuan mechanism and Jing Huanfangchuan mechanism；Nozzle Fang Chuan mechanism includes pedestal, fixed plate, swivel plate, nozzle bearing, screw rod；Jing Huanfangchuan mechanism includes bottom plate, stiffening plate, neck ring bearing, by the way that nozzle Fang Chuan mechanism is arranged on the same axis in both ends in penstock, multiple nozzle Fang Chuan mechanism is arranged in bottom, it is contradicted and is rolled by the tube wall of nozzle bearing and penstock, contradicted and rolled by the neck ring of neck ring bearing and penstock outer wall.The utility model shifts when overcoming the welding of former penstock, it needs frequently to adjust the welding gun head problem corresponding with Weld pipe mill, it is simple with structure, when penstock welding rotation, weld seam is not susceptible to deviate, and without frequently adjustment welding gun head, improves weldquality, welding efficiency is high, feature simple to operate.
Description
Technical field
The utility model belongs to penstock welding technology field, is related to a kind of anti-suitable for pressure steel pipe of hydropower station rotation
The device of offset.
Background technique
Currently, the diversion system of hydroenergy storage station mostly uses the form of steel lining, that is, pressure steel in Hydropower Station Construction
Pipe, penstock are big section factory by the weldering of design single-unit group mostly in processing factory, Lincoln weld, it is high-efficient, internal soundness is good,
The advantages such as beautiful appearance are widely used in group girth welding, but Lincoln weld needs mainly based on downhand welding
Sleeping be placed on roller support rotates, submerged-arc welding pipette tips be fixed on it is motionless in welding cross operation machines, pipette tips be aligned circumferential weld center into
The all-position welding of circumferential weld is converted into downhand welding by row welding, the problem is that:
Penstock is when welding rotation, it may occur that offset；
Weld excursion needs the position of constantly adjustment welding gun head and weld seam when welding, increases difficulty of construction；
Welding gun head adjust when be difficult to deviate Weld pipe mill holding it is synchronous, reduce weldquality.
Summary of the invention
It is anti-offset suitable for pressure steel pipe of hydropower station rotation that the technical problem to be solved by the utility model is to provide one kind
Device, structure is simple, using nozzle Fang Chuan mechanism is set on the same axis in both ends in penstock, multiple pipes are arranged in bottom
The tube wall of Kou Fangchuan mechanism, nozzle bearing and penstock, which contradicts, to be rolled, and the neck ring of neck ring bearing and penstock outer wall contradicts
It rolling, when penstock welding rotates, weld seam is not susceptible to deviate, without frequently adjustment welding gun head, weldquality is improved,
Welding efficiency is high, simple to operate.
It is a kind of suitable for hydropower station pressure that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Steel pipe rotates anti-offset device, it includes nozzle Fang Chuan mechanism and Jing Huanfangchuan mechanism；Nozzle Fang Chuan mechanism described in two
It is corresponded to each other on same axis；Multiple Jing Huanfangchuan mechanisms are located at the centre of two nozzle Fang Chuan mechanisms；It is described
Nozzle Fang Chuan mechanism includes the fixed plate connecting with pedestal and swivel plate, the nozzle bearing connecting with swivel plate, and with fixation
The screw rod that plate cooperation is contradicted with swivel plate；The Jing Huanfangchuan mechanism includes the stiffening plate connecting with bottom plate, connect with stiffening plate
Neck ring bearing；The nozzle bearing and the equal vertical rotary of neck ring bearing.
The pedestal includes the channel steel being connected and fixed with plate two sides, and it is solid that fixed plate is located at the perpendicular connection of flat back
Fixed, swivel plate is located at fixed front edge of board and is flexibly connected with the otic placode on plate.
The fixed plate includes the gusset connecting with vertical panel and the thread bush positioned at gusset two sides, and thread bush is matched with screw rod
It closes.
The swivel plate is vertical plate, and the axis body both ends of downside are flexibly connected with the otic placode of pedestal, and leading flank is set
Bearing block and nozzle bearing fit are set, gusset is arranged in trailing flank, is located at gusset two sides setting ear mount and connect with limit plate pivot pin, limits
Setting spacing edge-cut and screw rod contradict on the plate of position.
The bottom plate is plate, and edge is equipped with multiple long waist shaped fixation holes.
The stiffening plate includes gusset vertical gusset connected vertically parallel with two, with vertical gusset triangle connected vertically
Plate, neck ring bearing link of boards vertical with the set square other side；The bearing block of the neck ring bearing fit connects with vertical gusset
It connects, neck ring bearing is perpendicular to bottom plate.
A kind of to rotate anti-offset device suitable for pressure steel pipe of hydropower station, one kind being suitable for pressure steel pipe of hydropower station and rotates
Anti-offset device, it includes nozzle Fang Chuan mechanism (1) and Jing Huanfangchuan mechanism (2)；Nozzle Fang Chuan mechanism (1) described in two
It is corresponded to each other on same axis；Multiple Jing Huanfangchuan mechanisms (2) are located in two nozzle Fang Chuan mechanisms (1)
Between；Nozzle Fang Chuan mechanism (1) includes the fixed plate (12) connecting with pedestal (11) and swivel plate (13) and swivel plate (13)
The nozzle bearing (14) of connection, and the screw rod (15) contradicted with fixed plate (12) cooperation with swivel plate (13)；The strength ring is anti-
String mechanism (2) includes the stiffening plate (22) connecting with bottom plate (21), the neck ring bearing (23) connecting with stiffening plate (22)；The pipe
Mouth bearing (14) and neck ring bearing (23) equal vertical rotary.Structure is simple, by setting on the same axis in both ends in penstock
Nozzle Fang Chuan mechanism, bottom setting multiple nozzle Fang Chuan mechanism are set, is contradicted and is rolled by the tube wall of nozzle bearing and penstock,
It being contradicted and is rolled by the neck ring of neck ring bearing and penstock outer wall, when penstock welding rotates, weld seam is not susceptible to deviate,
Without frequently adjusting welding gun head, weldquality is improved, welding efficiency is high, simple to operate.
In the preferred scheme, pedestal includes the channel steel being connected and fixed with plate two sides, fixed plate be located at flat back with
It is vertically connected and fixed, and swivel plate is located at fixed front edge of board and is flexibly connected with the otic placode on plate.Structure is simple, in use, flat
The channel steel of plate two sides enhances whole structural strength, extruding force when fixed plate studdle and swivel plate contradict, swivel plate
It is flexibly connected with otic placode pivot pin and is rotated around axis body.
In the preferred scheme, fixed plate includes the gusset connecting with vertical panel and the thread bush positioned at gusset two sides, spiral shell
Line set cooperates with screw rod.Structure is simple, and the gusset in fixed plate enhances structural strength, penstock be able to bear when rotating compared with
Big conflict power, limit effect is more preferable, and the threaded sleeve extended in fixed plate two sides is longer, more with forced area when screw rod cooperation
Greatly, stress is more balanced, is not easy stripped thread.
In the preferred scheme, swivel plate is vertical plate, and the axis body both ends of downside and the otic placode activity of pedestal connect
It connects, bearing block and nozzle bearing fit is arranged in leading flank, and gusset is arranged in trailing flank, is located at gusset two sides setting ear mount and limit plate
Pivot pin connects, and setting spacing edge-cut and screw rod contradict on limit plate.Structure is simple, in use, the axis body of swivel plate downside with
The otic placode of pedestal cooperates rotation, and the ear mount pivot pin cooperation of limit plate and swivel plate trailing flank is rotated around axis body, screw rod rotation driving
Limit plate is rotated around ear mount drives swivel plate to rotate around otic placode, and swivel plate leans forward, the nozzle bearing and pressure with bearing block cooperation
The nozzle of steel pipe contradicts limit, and weld seam is avoided to misplace, easy to operate.
In the preferred scheme, bottom plate is plate, and edge is equipped with multiple long waist shaped fixation holes.Structure is simple, in use,
Bottom plate is fixed with welding platform, long waist shaped fixation hole be convenient for appended claims adjustable range, contact neck ring bearing with neck ring
It is closer.
In the preferred scheme, stiffening plate includes gusset vertical gusset connected vertically parallel with two, is hung down with vertical gusset
The direct-connected set square connect, neck ring bearing link of boards vertical with the set square other side；The bearing block of neck ring bearing fit and hang down
Straight link of boards, neck ring bearing is perpendicular to bottom plate.Structure is simple, in use, Jing Huanfangchuan mechanism simultaneously bear it is radial and axial
Extruding force, it is desirable that stable structure intensity is high, vertical with the vertical gusset gusset parallel with two of neck ring bearing connection to connect, vertically
The side of gusset is connect with set square, the stable structure, and intensity is high, improves the overall structural strength of Jing Huanfangchuan mechanism.
A kind of to rotate anti-offset device suitable for pressure steel pipe of hydropower station, it includes nozzle Fang Chuan mechanism and the anti-string of strength ring
Mechanism；Nozzle Fang Chuan mechanism includes pedestal, fixed plate, swivel plate, nozzle bearing, screw rod；Jing Huanfangchuan mechanism includes bottom plate, adds
Strong plate, neck ring bearing, by the way that nozzle Fang Chuan mechanism is arranged on the same axis in both ends in penstock, multiple nozzles are arranged in bottom
Fang Chuan mechanism is contradicted by the tube wall of nozzle bearing and penstock and is rolled, passes through the neck of neck ring bearing and penstock outer wall
Ring, which contradicts, to be rolled.The utility model shifts when overcoming the welding of former penstock, needs frequently to adjust welding gun head and weldering
Problem corresponding to seam center has structure simple, and when penstock welding rotates, weld seam is not susceptible to deviate, without frequently adjusting
Whole welding gun head improves weldquality, and welding efficiency is high, feature simple to operate.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model nozzle Fang Chuan mechanism.
Fig. 2 is the schematic front view of Fig. 1.
Fig. 3 is the structural schematic diagram of the utility model Jing Huanfangchuan mechanism.
Fig. 4 is the schematic front view of Fig. 3.
Fig. 5 is the utility model usage state diagram.
In figure: nozzle Fang Chuan mechanism 1, pedestal 11, fixed plate 12, swivel plate 13, nozzle bearing 14, screw rod 15, strength ring are anti-
String mechanism 2, bottom plate 21, stiffening plate 22, neck ring bearing 23.
Specific embodiment
A kind of to rotate anti-offset device suitable for pressure steel pipe of hydropower station in Fig. 1 ~ Fig. 5, it includes the anti-string machine of nozzle
Structure 1 and Jing Huanfangchuan mechanism 2；Nozzle Fang Chuan mechanism 1 described in two, which is located on same axis, to be corresponded to each other；Multiple strength
Huan Fangchuan mechanism 2 is located at the centre of two nozzle Fang Chuan mechanisms 1；Nozzle Fang Chuan mechanism 1 includes consolidating with what pedestal 11 was connect
Fixed board 12 and swivel plate 13, the nozzle bearing 14 being connect with swivel plate 13, and contradicted with the cooperation of fixed plate 12 with swivel plate 13
Screw rod 15；The Jing Huanfangchuan mechanism 2 includes the stiffening plate 22 connecting with bottom plate 21, the neck ring bearing connecting with stiffening plate 22
23；The nozzle bearing 14 and the equal vertical rotary of neck ring bearing 23.Structure is simple, passes through the same axis in both ends in penstock
Multiple nozzle Fang Chuan mechanism 1 is arranged in upper setting nozzle Fang Chuan mechanism 1, bottom, passes through the tube wall of nozzle bearing 14 and penstock
Rolling is contradicted, is contradicted and is rolled by the neck ring of neck ring bearing 23 and penstock outer wall, when penstock welding rotates, weld seam is not
It easily shifts, without frequently adjustment welding gun head, improves weldquality, welding efficiency is high, simple to operate.
In preferred scheme, nozzle Fang Chuan mechanism 1 include the fixed plate 12 connect with pedestal 11 and swivel plate 13 and
The nozzle bearing 14 that swivel plate 13 connects, and the screw rod 15 contradicted with the cooperation of fixed plate 12 with swivel plate 13.Structure is simple, peace
When dress, pedestal 11 is fixed with welding platform, and 15 rotation forces swivel plate 13 of screw rod is gradually close to the nozzle of penstock, nozzle axis
It holds 14 to contradict with nozzle, when welding, penstock rotation drives the limit of 14 axial rotary of nozzle bearing, and weld seam is avoided to misplace.
In preferred scheme, the pedestal 11 includes the channel steel being connected and fixed with plate two sides, and fixed plate 12 is located at plate
Rear end is perpendicular to be connected and fixed, and swivel plate 13 is located at 12 front end of fixed plate and is flexibly connected with the otic placode on plate.Structure is simple,
In use, the channel steel of plate two sides enhances whole structural strength, when 12 studdle 15 of fixed plate is contradicted with swivel plate 13
Extruding force, swivel plate 13 is flexibly connected with otic placode pivot pin to be rotated around axis body.
In preferred scheme, the fixed plate 12 includes the gusset connecting with vertical panel and the screw thread positioned at gusset two sides
Set, thread bush and screw rod 15 cooperate.Structure is simple, and the gusset in fixed plate 12 enhances structural strength, when penstock rotates
It is able to bear biggish conflict power, limit effect is more preferable, and the threaded sleeve extended in 12 two sides of fixed plate is longer, matches with screw rod 15
Forced area is bigger when conjunction, and stress is more balanced, is not easy stripped thread.
In preferred scheme, the swivel plate 13 is vertical plate, the axis body both ends of downside and the otic placode of pedestal 11
It is flexibly connected, bearing block is arranged in leading flank and nozzle bearing 14 cooperates, and gusset is arranged in trailing flank, is located at gusset two sides and ear mount is arranged
It is connect with limit plate pivot pin, spacing edge-cut is set on limit plate and screw rod 15 contradicts.Structure is simple, in use, under swivel plate 13
The axis body of side and the otic placode of pedestal 11, which cooperate, to be rotated, and the ear mount pivot pin cooperation of limit plate and 13 trailing flank of swivel plate is revolved around axis body
Turn, the rotation driving limit plate of screw rod 15 is rotated around ear mount drives swivel plate 13 to rotate around otic placode, and swivel plate 13 leans forward, with bearing block
The nozzle bearing 14 of cooperation and the nozzle of penstock are contradicted and are limited, and weld seam is avoided to misplace, easy to operate.
In preferred scheme, the Jing Huanfangchuan mechanism 2 includes that the stiffening plate 22 connecting with bottom plate 21 and stiffening plate 22 connect
The neck ring bearing 23 connect.Structure is simple, in use, Jing Huanfangchuan mechanism 2 is located at penstock bottom, bottom plate 21 and welding platform
Fixed, 22 enhancing structure intensity of stiffening plate, neck ring bearing 23 and neck ring are contradicted and are limited, and weld seam is avoided to misplace.
In preferred scheme, the bottom plate 21 is plate, and edge is equipped with multiple long waist shaped fixation holes.Structure is simple, makes
Used time, bottom plate 21 are fixed with welding platform, long waist shaped fixation hole be convenient for appended claims adjustable range, make neck ring bearing 23 with
Neck ring contact is closer.
In preferred scheme, the stiffening plate 22 includes gusset vertical gusset connected vertically parallel with two, with vertical tendon
Plate set square connected vertically, the link of boards vertical with the set square other side of neck ring bearing 23；The neck ring bearing 23 cooperates
Bearing block and vertical link of boards, neck ring bearing 23 is perpendicular to bottom plate 21.Structure is simple, in use, Jing Huanfangchuan mechanism 2 is same
When bear radial and axial extruding force, it is desirable that stable structure intensity is high, and the vertical gusset and two connecting with neck ring bearing 23 are flat
Row gusset vertically connects, and the side of vertical gusset is connect with set square, the stable structure, and intensity is high, improves the anti-string machine of strength ring
The overall structural strength of structure 2.
It is suitable for pressure steel pipe of hydropower station as described above and rotates anti-offset device, when installing and using, in penstock
The same axis in both ends on nozzle Fang Chuan mechanism 1 is set, multiple nozzle Fang Chuan mechanism 1, nozzle bearing 14 and pressure is arranged in bottom
The tube wall of steel pipe contradicts rolling, and the neck ring conflict of neck ring bearing 23 and penstock outer wall rolls, when penstock welding rotates,
Weld seam is not susceptible to deviate, and without frequently adjustment welding gun head, improves weldquality, welding efficiency is high, simple to operate.
When installation, pedestal 11 is fixed with welding platform, and 15 rotation forces swivel plate 13 of screw rod is gradually close to penstock
Nozzle, nozzle bearing 14 and nozzle contradict, and when welding, penstock rotation drives the limit of 14 axial rotary of nozzle bearing, avoids
Weld seam dislocation.
In use, the channel steel of plate two sides enhances whole structural strength, 12 studdle 15 of fixed plate and swivel plate
Extruding force when 13 conflict, swivel plate 13 is flexibly connected with otic placode pivot pin to be rotated around axis body.
Gusset in fixed plate 12 enhances structural strength, and penstock is able to bear biggish conflict power when rotating, and limits
Position effect is more preferable, and the threaded sleeve extended in 12 two sides of fixed plate is longer, and forced area is bigger when cooperating with screw rod 15, and stress is more
Equilibrium is not easy stripped thread.
It is rotated in use, the otic placode of the axis body of 13 downside of swivel plate and pedestal 11 cooperates, after limit plate and swivel plate 13
The ear mount pivot pin cooperation of side is rotated around axis body, and the rotation driving limit plate of screw rod 15 is rotated around ear mount drives swivel plate 13 around otic placode
Rotation, swivel plate 13 lean forward, and contradict and limit with the nozzle bearing 14 of bearing block cooperation and the nozzle of penstock, avoid weld seam wrong
Position, it is easy to operate.
In use, Jing Huanfangchuan mechanism 2 is located at penstock bottom, bottom plate 21 is fixed with welding platform, and stiffening plate 22 increases
Strong structure intensity, neck ring bearing 23 and neck ring, which contradict, to be limited, and weld seam is avoided to misplace.
In use, bottom plate 21 is fixed with welding platform, long waist shaped fixation hole be convenient for appended claims adjustable range, make neck
Collar bearing 23 contacts closer with neck ring.
In use, radial and axial extruding force is born simultaneously by Jing Huanfangchuan mechanism 2, it is desirable that stable structure intensity is high, with
The vertical gusset gusset parallel with two that neck ring bearing 23 connects is vertical to be connected, and the side of vertical gusset is connect with set square, the knot
Structure is stablized, and intensity is high, improves the overall structural strength of Jing Huanfangchuan mechanism 2.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of rotate anti-offset device suitable for pressure steel pipe of hydropower station, it is characterized in that: it includes nozzle Fang Chuan mechanism (1)
With Jing Huanfangchuan mechanism (2)；Nozzle Fang Chuan mechanism (1) described in two, which is located on same axis, to be corresponded to each other；Described in multiple
Jing Huanfangchuan mechanism (2) is located at the centre of two nozzle Fang Chuan mechanisms (1)；Nozzle Fang Chuan mechanism (1) includes and pedestal
(11) fixed plate (12) and swivel plate (13) that connect, the nozzle bearing (14) being connect with swivel plate (13), and and fixed plate
(12) cooperate the screw rod (15) contradicted with swivel plate (13)；The Jing Huanfangchuan mechanism (2) include connect with bottom plate (21) plus
Strong plate (22), the neck ring bearing (23) being connect with stiffening plate (22)；The nozzle bearing (14) and neck ring bearing (23) are vertical
Rotation.
2. the pressure steel pipe of hydropower station according to claim 1 that is suitable for rotates anti-offset device, it is characterized in that: the bottom
Seat (11) includes the channel steel being connected and fixed with plate two sides, and fixed plate (12) is located at that flat back is perpendicular to be connected and fixed, and is revolved
Rotating plate (13) is located at fixed plate (12) front end and is flexibly connected with the otic placode on plate.
3. the pressure steel pipe of hydropower station according to claim 1 that is suitable for rotates anti-offset device, it is characterized in that: described solid
Fixed board (12) includes the gusset connecting with vertical panel and the thread bush positioned at gusset two sides, and thread bush and screw rod (15) cooperate.
4. the pressure steel pipe of hydropower station according to claim 1 that is suitable for rotates anti-offset device, it is characterized in that: the rotation
Rotating plate (13) is vertical plate, and the axis body both ends of downside are flexibly connected with the otic placode of pedestal (11), and bearing is arranged in leading flank
Seat cooperates with nozzle bearing (14), and gusset is arranged in trailing flank, is located at gusset two sides setting ear mount and connect with limit plate pivot pin, limits
Spacing edge-cut is set on plate and screw rod (15) contradict.
5. the pressure steel pipe of hydropower station according to claim 1 that is suitable for rotates anti-offset device, it is characterized in that: the bottom
Plate (21) is plate, and edge is equipped with multiple long waist shaped fixation holes.
6. the pressure steel pipe of hydropower station according to claim 1 that is suitable for rotates anti-offset device, it is characterized in that: described add
Strong plate (22) includes gusset vertical gusset connected vertically parallel with two, with vertical gusset set square connected vertically, neck ring axis
Hold (23) link of boards vertical with the set square other side；The bearing block of neck ring bearing (23) cooperation connects with vertical gusset
It connects, neck ring bearing (23) is perpendicular to bottom plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342360.XU CN208744048U (en) | 2018-08-20 | 2018-08-20 | Anti-offset device is rotated suitable for pressure steel pipe of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342360.XU CN208744048U (en) | 2018-08-20 | 2018-08-20 | Anti-offset device is rotated suitable for pressure steel pipe of hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208744048U true CN208744048U (en) | 2019-04-16 |
Family
ID=66079707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821342360.XU Active CN208744048U (en) | 2018-08-20 | 2018-08-20 | Anti-offset device is rotated suitable for pressure steel pipe of hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208744048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952175A (en) * | 2022-06-27 | 2022-08-30 | 中国葛洲坝集团机械船舶有限公司 | Limiting tool suitable for continuous welding of horizontal splicing circular seams of steel pipes and using method of limiting tool |
-
2018
- 2018-08-20 CN CN201821342360.XU patent/CN208744048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952175A (en) * | 2022-06-27 | 2022-08-30 | 中国葛洲坝集团机械船舶有限公司 | Limiting tool suitable for continuous welding of horizontal splicing circular seams of steel pipes and using method of limiting tool |
| CN114952175B (en) * | 2022-06-27 | 2024-03-12 | 中国葛洲坝集团机械船舶有限公司 | Limiting tool suitable for continuous welding of horizontal joint circular seams of steel pipes and application method of limiting tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201519848U (en) | Triangular support flange centralizer | |
| CN208744048U (en) | Anti-offset device is rotated suitable for pressure steel pipe of hydropower station | |
| CN205362953U (en) | Annular automatic welding machine inside and outside ring flange | |
| CN206958045U (en) | A kind of aluminium section bar double-pipe joint structure | |
| CN206241462U (en) | A kind of large-scale cone cylinder revolving parts circumferential weld agitating friction welding frock | |
| CN209811621U (en) | Large-diameter pipe internal and external welding seam rolling mechanism | |
| CN207757154U (en) | A kind of frock clamp for steel-pipe welding | |
| CN105170727B (en) | Cone cylinder veneer reeling machine | |
| CN211162705U (en) | Front support assembly device for low-temperature heat-insulation steel cylinder | |
| CN210046251U (en) | Assembly tool for neck-equipped welding neck flange and connecting pipe | |
| CN209520531U (en) | A kind of PCCP installation internal broach utensil improved device | |
| CN208067678U (en) | The welding tooling of boiler bias flue | |
| CN207289273U (en) | A kind of double-station circular seam type welder | |
| CN201940493U (en) | Reducing assembly | |
| CN207593021U (en) | A kind of double groove automatic submerged arc welding machines of tower body flange | |
| CN208713233U (en) | A kind of irregular pipe positioning device for welding equipment | |
| CN207299641U (en) | A kind of drier receiver tubular structure | |
| CN206029121U (en) | Support welding set before engine | |
| CN208322410U (en) | A kind of resistance welding electrode cap provision for disengagement | |
| CN211564897U (en) | Energy-saving automatic surfacing welding machine for forging material processing | |
| CN206040865U (en) | Lithium cell production is with scalding hole needle | |
| CN201824048U (en) | Welding fixture for bottom of fire extinguisher cylinder | |
| CN215357059U (en) | Novel adjustable bracket device for welding longitudinal seam of barrel | |
| CN209975726U (en) | Steel structure connecting device convenient to use | |
| CN210493915U (en) | Electric heating drying towel rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |