CN213684023U - Take collapsible power pipe support of catwalk of displacement compensation - Google Patents

Take collapsible power pipe support of catwalk of displacement compensation Download PDF

Info

Publication number
CN213684023U
CN213684023U CN202022831764.9U CN202022831764U CN213684023U CN 213684023 U CN213684023 U CN 213684023U CN 202022831764 U CN202022831764 U CN 202022831764U CN 213684023 U CN213684023 U CN 213684023U
Authority
CN
China
Prior art keywords
pipe support
block
catwalk
supporting
pipe
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
CN202022831764.9U
Other languages
Chinese (zh)
Inventor
许益民
王名扬
王德良
杜启武
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.)
Yingtelifu Qingdao Marine Equipment Technology Co ltd
Original Assignee
Qingdao Taizhong Energy Technology 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 Qingdao Taizhong Energy Technology Co ltd filed Critical Qingdao Taizhong Energy Technology Co ltd
Priority to CN202022831764.9U priority Critical patent/CN213684023U/en
Application granted granted Critical
Publication of CN213684023U publication Critical patent/CN213684023U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model belongs to the technical field of oilfield drilling site power catwalk matching equipment, and relates to a catwalk foldable power pipe support with displacement compensation; the pipe frame comprises a pipe frame main body, a pull rod, a rotating shaft, a pipe support, a lifting hydraulic cylinder, pipe frame supporting legs, a nylon sliding block assembly and the like, wherein one end of the pipe frame main body is hinged with a catwalk main frame through the rotating shaft; the device is convenient to fold, can compensate the landing leg and remove the displacement in the power tube support working process, has effectively protected ground level, has prevented the production of pit nest, has guaranteed job stabilization nature.

Description

Take collapsible power pipe support of catwalk of displacement compensation
The technical field is as follows:
the utility model belongs to the technical field of power catwalk matching equipment in an oil field drilling site, and relates to a foldable power pipe support applied to catwalk bearing, conveying and drilling pipes and drilling tools, in particular to a catwalk foldable power pipe support with displacement compensation; the device is foldable, convenient to transport and high in working stability.
Background art:
in the oil field drilling process, pipes and drilling tools need to be conveyed from the ground to a drilling platform surface through a catwalk. In the actual application process, the catwalk is basically provided with the pipe support, so that pipes can be prepared at two sides of the catwalk in advance or pipes placed by the drilling platform can be received conveniently, the non-power pipe support only plays a role in bearing the pipes, the power pipe support not only meets the bearing effect of the conventional pipes, but also can push the pipes into the catwalk by utilizing the lifting effect of the hydraulic cylinder, and the catwalk is convenient to convey the pipes.
In the prior art, chinese patent with publication number CN110984885A discloses a high integration level modularization power catwalk base convenient to move fast, including the support body of two symmetric distributions, two the splice has ramp and support between the support body, the upper end splice of ramp has the drill string mechanism of sending, the upper end of support slides and sets up in sending the drill string mechanism, the outside of every support body all the splice has two pipe racks, every the tip of pipe rack is provided with elevating system, elevating system's below is provided with the landing leg, is provided with electrical system, operation panel, a plurality of reciprocating drive mechanism, a plurality of tilting mechanism with pipe rack looks overlap joint in the support body, every tilting mechanism's upper portion all is provided with the shelves round pin, and tilting mechanism's lower part also is provided with the lift, every reciprocating drive mechanism's drive end and the pipe rack that corresponds are arranged and are connected. Chinese patent publication No. CN205089243U discloses a lifting hydraulic power catwalk system, which mainly comprises a drilling tool rack turning-out mechanism, a turning arm mechanism, a plate turning mechanism, a lifting mechanism and a pulley mechanism; the drilling tool rack turning-out mechanism realizes the movement of the drilling tool between the drilling tool rack and the catwalk main body through the lifting of the hydraulic cylinder; the turning arm mechanism conveys the drilling tool to the conveying arm or returns the drilling tool; the plate turnover mechanism is matched with the turnover arm mechanism, and the single drilling tool is transported to the conveying arm or returned from the turnover arm; the lifting mechanism lifts a conveying arm for conveying the drilling tool to a certain height; the trolley mechanism pushes the drilling tool out for a certain distance along the conveying arm.
At present, conventional non-power pipe support simple structure, the functional difference can not satisfy the integrated design of power catwalk, and current power pipe support often adopts only the articulated landing leg form of pneumatic cylinder, and the displacement that unable compensation power pipe support working process produced can produce on ground during the use and drag, and well site ground that does not harden then forms the pit, influences equipment normal use.
The utility model has the following contents:
the utility model aims to overcome the shortcoming that prior art exists, to having the displacement and dragging wearing and tearing, damage ground, producing the pit and influence equipment normal operating etc. not enough to ground in the power tube rack working process for current power catwalk, guaranteeing under convenient to use's the condition, design a collapsible power tube rack of catwalk of taking displacement compensation.
In order to achieve the purpose, the utility model relates to a catwalk foldable power pipe support with displacement compensation, which comprises a pipe support main body, a pull rod, a rotating shaft, a pipe support, a lifting hydraulic cylinder, pipe support legs, a nylon sliding block component, a guide plate groove, a nylon block, a V-shaped guide rail, wide legs, a support plate, a connecting arm and a sleeve, wherein one end of the pipe support main body is hinged with a catwalk main frame through the rotating shaft, and the pipe support main body can rotate by taking the rotating shaft as a rotating shaft to be closed with the catwalk main frame; the upper end of the pipe frame main body is provided with a pipe support, the rear end of the pipe support is transversely hinged with the upper end of the rotating shaft through a pin shaft, and the pipe support can rotate up and down; the lower side of the front part of the pipe support is hinged with the top of the lifting hydraulic cylinder, the lower end of the lifting hydraulic cylinder is hinged with one end of the connecting arm through a pin shaft, the other end of the connecting arm is fixedly connected with the lower part of the pipe support leg, the upper end of the pipe support leg with a rectangular tubular structure is connected with a sleeve clamping groove arranged at the front end of the pipe support, namely the sleeve is sleeved at the upper end of the pipe support leg; the bottom end face of the pipe support supporting leg is hinged with the nylon sliding block component.
The middle part of the pipe frame main body is hinged with one end of a pull rod, and the other end of the pull rod is hinged with the catwalk main frame through a pin shaft; the lower part of rotation axis sets up the backup pad, and pipe support rear portion lower extreme is fixed and is provided with wide landing leg, and the pipe support is kept flat the time wide landing leg and is supported with the backup pad, and wide landing leg plays the supporting role.
The nylon sliding block assembly comprises a guide plate groove, a nylon block, a V-shaped guide rail, a slide block limiting plate, a limiting convex handle and a limiting handle groove, the upper end of the slide block limiting plate is hinged with the lower end of the pipe frame supporting leg, the limiting convex handles are arranged on two sides of the slide block limiting plate respectively and are connected with the limiting handle groove arranged on the upper part of the side wall of the guide plate groove in a clamping groove mode, and the lower end of the slide block limiting plate is fixedly connected with the upper end of the nylon block; the nylon block is installed in the groove cavity of the guide plate groove in a limiting mode, the bottom of the nylon block is provided with a V-shaped groove, a V-shaped guide rail is arranged on a bottom plate of the guide plate groove, the long edge direction of the V-shaped groove of the V-shaped guide rail and the long edge direction of the V-shaped groove of the nylon block are consistent with the length direction of the pipe support, the V-shaped guide rail is matched with the V-shaped groove of the nylon block in a rail-combining groove mode and is connected with the nylon block in.
A blocking stick is arranged at the upper part of the front end of the pipe support and prevents a pipe tool and a drilling tool placed on the upper end surface of the pipe support from falling; the sleeve outside end is provided with the ear seat, when folding place the pipe support main part, uses the round pin axle to fix the pipe support main part on the catwalk main frame through the ear seat.
The rotating shaft is nested with a supporting leg abutting block, the middle part of the supporting leg abutting block is provided with an abutting block hole, and the rotating shaft penetrates through the abutting block hole; the length dimension of the supporting leg supporting block is larger than the width dimension of the supporting leg supporting block, the front end of the supporting leg supporting block in the length direction is provided with a supporting block supporting portion, one side of the supporting block supporting portion is provided with a supporting block handle, and one end of the supporting leg supporting block in the width direction is a supporting block narrow end.
Compared with the prior art, the designed catwalk foldable power pipe support with the displacement compensation has reasonable main body structure, can not only meet the function of a conventional power pipe support, but also compensate the movement displacement of the supporting legs in the working process of the power pipe support, effectively protects the ground from being flat, prevents pits from being produced, and effectively ensures the working stability of the power pipe support; the folding of being convenient for provides convenient effectual guarantee for catwalk at land rig drilling process and whole transportation.
Description of the drawings:
fig. 1 is the utility model relates to a but, catwalk folding power tube rack's of area displacement compensation structure principle sketch map.
Fig. 2 is the utility model relates to a take collapsible power tube rack of catwalk after assembly of displacement compensation the structure principle sketch map.
Fig. 3 is a schematic view of a partially enlarged structure of a pipe frame supporting leg of the present invention.
Fig. 4 is the structure principle schematic diagram after the collapsible power tube support of catwalk of area displacement compensation folding that the utility model relates to.
Fig. 5 is a schematic view of the structure of the rotating shaft according to the present invention.
Fig. 6 is a schematic view of the structural principle of the supporting leg abutting block of the present invention.
Fig. 7 is a schematic view of the structural principle of the nylon sliding block assembly according to the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example (b):
the embodiment relates to a catwalk foldable power pipe support with displacement compensation, which comprises a pipe support main body 2, a pull rod 3, a rotating shaft 4, a pipe support 5, a lifting hydraulic cylinder 6, pipe support legs 7, a nylon sliding block assembly 8, a guide plate groove 9, a nylon block 10, a V-shaped guide rail 11, a wide leg 12, a support plate 13, a connecting arm 14 and a sleeve 15, wherein the pipe support main body is provided with a plurality of guide grooves; as shown in fig. 1-2, one end of the pipe frame main body 2 is hinged to the catwalk main frame 1 through a rotating shaft 4, and the pipe frame main body 2 can rotate by using the rotating shaft 4 as a rotating shaft to be folded with the catwalk main frame 1; in order to ensure the stability of the pipe frame main body 2, the middle part of the pipe frame main body 2 is hinged with one end of a pull rod 3, and the other end of the pull rod 3 is hinged with the catwalk main frame 1 through a pin shaft; the pipe support 5 is arranged at the upper end of the pipe support main body 2, the rear end of the pipe support 5 is transversely hinged with the upper end of the rotating shaft 4 through a pin shaft, the pipe support 5 can rotate up and down, a supporting plate 13 is arranged at the lower part of the rotating shaft 4, a wide supporting leg 12 is fixedly arranged at the lower end of the rear part of the pipe support 5, the wide supporting leg 12 abuts against the supporting plate 13 when the pipe support 5 is horizontally placed, and the wide supporting leg 12 plays a supporting role; as shown in fig. 3, the lower side of the front part of the pipe support 5 is hinged with the top of the lifting hydraulic cylinder 6, the lower end of the lifting hydraulic cylinder 6 is hinged with one end of the connecting arm 14 through a pin shaft, the other end of the connecting arm 14 is fixedly connected with the lower part of the pipe support leg 7, the upper end of the pipe support leg 7 of the rectangular tubular structure is connected with the sleeve 15 arranged at the front end of the pipe support 5 in a clamping groove manner, namely the sleeve 15 is sleeved at the upper end of the pipe support leg 7; the bottom end face of the pipe frame supporting leg 7 is hinged with the nylon sliding block assembly 8, as shown in fig. 7, the nylon sliding block assembly 8 comprises a guide plate groove 9, a nylon block 10, a V-shaped guide rail 11, a slider limiting plate 23, a limiting convex handle 24 and a limiting handle groove 25, the upper end of the slider limiting plate 23 is hinged with the lower end of the pipe frame supporting leg 12, the two sides of the slider limiting plate 23 are respectively provided with the limiting convex handle 24, the limiting convex handle 24 is connected with the limiting handle groove 25 arranged at the upper part of the side wall of the guide plate groove 9 in a clamping groove manner, and the lower end of the slider limiting plate 23 is fixedly connected with the upper; the nylon block 10 is limited and installed in a groove cavity of the guide plate groove 9, a V-shaped groove is formed in the bottom of the nylon block 10, a V-shaped guide rail 11 is arranged on a bottom plate of the guide plate groove 9, the long side direction of the V-shaped guide rail 11 and the long side direction of the V-shaped groove of the nylon block 10 are consistent with the length direction of the pipe support 10, the V-shaped guide rail 11 is matched with the V-shaped groove of the nylon block 10 and is connected in a rail groove mode, and the nylon block 10 can move horizontally along the V-shaped guide rail 11; when a pipe and a drilling tool are conveyed, the lifting hydraulic cylinder 6 works to lift the pipe support 5 upwards, the pipe support 5 rotates upwards by taking a pin shaft connected with the rear end of the pipe support 5 and the upper end of the rotating shaft 4 as a rotating shaft, the front end of the pipe support 5 tilts, so that the pipe and the drilling tool arranged on the upper end face of the pipe support 5 move towards the catwalk main frame 1 under the action of gravity and are finally pushed into a transfer arm V-shaped groove of the catwalk main frame 1, at the moment, the pipe support supporting legs 7 slide towards the catwalk main frame 1 under the action of tension force of the lower end of the lifting hydraulic cylinder 6, the nylon blocks 10 at the lower end of the pipe support supporting legs 7 move towards the side of the catwalk main frame 1 along the V-shaped guide rails 11 of the guide plate grooves 9 under the action of traction force, otherwise, the pipe support 5 rotates downwards along the pin shaft when the lifting hydraulic cylinder 6 is retracted, the pipe support supporting legs 7 drive the nylon blocks 10 to move, keep deflector groove 9 motionless relatively ground, avoided deflector groove 9 and ground to bump the damage because of the friction that relative movement produced, and then avoided near deflector groove 9 ground to bump out the pot hole nest, guaranteed the stable operational environment of pipe support main part 2.
As shown in fig. 1, a blocking stick 16 is provided at the upper part of the front end of the pipe support 5 according to the present embodiment, and the blocking stick 16 prevents a pipe tool and a drilling tool placed on the upper end surface of the pipe support 5 from falling; the end of the outside of the sleeve 15 is provided with an ear seat 17, and when the pipe frame main body 2 is placed in a folding mode, the pipe frame main body 2 is fixed on the catwalk main frame 1 through the ear seat 17 by using a pin shaft.
As shown in fig. 5-6, a leg supporting block 18 is nested in the rotating shaft 4 according to the present embodiment, a supporting block hole 19 is formed in the middle of the leg supporting block 18, and the rotating shaft 4 penetrates through the supporting block hole 19; the length dimension of the supporting leg abutting block 18 is larger than the width dimension of the supporting leg abutting block 18, the front end of the supporting leg abutting block 18 in the length direction is provided with an abutting block abutting portion 21, one side of the abutting block abutting portion 21 is provided with an abutting block handle 20, and one end of the supporting leg abutting block 18 in the width direction is an abutting block narrow end 22; when the pipe frame main body 2 is rotated and folded, the pipe support 10 is lifted upwards, the supporting block handle 20 is buckled by a hand to rotate the supporting leg supporting block 18 clockwise by 90 degrees, the pipe support 10 is put back downwards, the supporting block supporting part 21 of the supporting leg supporting block 18 is supported against the lower part of the wide supporting leg 14, so that the pipe support 10 cannot horizontally move back and forth relative to the whole pipe frame main body 2, the whole pipe frame main body 2 is conveniently pushed to rotate and fold by a worker, the pipe support 10 is prevented from being supported by a forklift to rotate and fold, and the folding process is simplified; when the pipe frame main body 2 is unfolded for construction, the pipe support 10 is lifted upwards, the supporting leg abutting block 18 is rotated 90 degrees anticlockwise by buckling the abutting block handle 20 with a hand, the pipe support 10 is put back downwards, the abutting block narrow end 22 of the supporting leg abutting block 18 is opposite to the lower part of the wide supporting leg 14, and a gap exists between the abutting block narrow end 22 and the wide supporting leg 14, so that the up-and-down lifting of the pipe support 10 during operation is not influenced, and the collision between the pipe support 10 and the supporting leg abutting block 18 is avoided.
The collapsible power tube support of catwalk that this embodiment relates to specifically uses the step to be: when a pipe tool or a drilling tool placed on the upper end face of a pipe support 5 needs to move towards a catwalk main frame 1, a lifting hydraulic cylinder 6 starts to lift the pipe support 5 upwards, the pipe support 5 rotates and tilts, so that the pipe tool or the drilling tool arranged on the upper end face of the pipe support 5 moves towards the catwalk main frame 1 under the action of gravity and is finally pushed into a transfer arm V-shaped groove of the catwalk main frame 1, in the upward rotation process of the pipe support 5, a pipe support leg 7 slides towards the catwalk main frame 1 under the action of tensile force of the lower end of the lifting hydraulic cylinder 6, a nylon block 10 at the lower end of the pipe support leg 7 moves towards the catwalk main frame 1 along a V-shaped guide rail 11 under the action of traction force, when the lifting hydraulic cylinder 6 is retracted, the pipe support 5 rotates and is lowered along a pin shaft, and the pipe support leg 7 drives; when the catwalk needs to be moved and transported after working, a pin shaft at the connecting end of the pull rod assembly 3 and the catwalk main frame 1 is disassembled, and the pull rod assembly 3 is fixed on the pipe support 5 through the pin shaft after the pull rod assembly 3 is folded; the pipe frame main body 2 is integrally rotated through the rotating shaft 4, and the pipe frame 2 main body is integrally fixed on the catwalk main frame 1 through the ear seats 17 and the pin shafts attached to the pipe frame supporting legs 7; the device can compensate the problem that the landing leg moves and collides with the ground due to abrasion in the working process of the main body of the power pipe support, effectively protects the ground from being flat, prevents pit pits from being generated, effectively ensures the working stability of the device, is easy to fold and convenient to transport and reduces the transportation cost.

Claims (6)

1. The utility model provides a collapsible power tube support of catwalk of area displacement compensation which characterized in that: the pipe support comprises a pipe support main body, a pull rod, a rotating shaft, a pipe support, a lifting hydraulic cylinder, pipe support legs, a nylon sliding block assembly, a connecting arm and a sleeve, wherein one end of the pipe support main body is hinged with the catwalk main frame through the rotating shaft, and the pipe support main body can rotate by taking the rotating shaft as the rotating shaft and is folded with the catwalk main frame; the upper end of the pipe frame main body is provided with a pipe support, the rear end of the pipe support is transversely hinged with the upper end of the rotating shaft through a pin shaft, and the pipe support can rotate up and down; the lower side of the front part of the pipe support is hinged with the top of the lifting hydraulic cylinder, the lower end of the lifting hydraulic cylinder is hinged with one end of the connecting arm through a pin shaft, the other end of the connecting arm is fixedly connected with the lower part of the pipe support leg, the upper end of the pipe support leg with a rectangular tubular structure is connected with a sleeve clamping groove arranged at the front end of the pipe support, namely the sleeve is sleeved at the upper end of the pipe support leg; the bottom end face of the pipe support supporting leg is hinged with the nylon sliding block component.
2. The catwalk collapsible power tube rack with displacement compensation of claim 1, wherein: the middle part of the pipe support main body is hinged with one end of a pull rod, and the other end of the pull rod is hinged with the catwalk main frame through a pin shaft.
3. The catwalk collapsible power tube rack with displacement compensation of claim 2, wherein: the lower part of the rotating shaft is provided with a supporting plate, the lower end of the rear part of the pipe support is fixedly provided with a wide supporting leg, and the wide supporting leg is abutted against the supporting plate when the pipe support is horizontally placed.
4. The catwalk collapsible power tube rack with displacement compensation of claim 3, wherein: the nylon sliding block assembly comprises a guide plate groove, a nylon block, a V-shaped guide rail, a slide block limiting plate, a limiting convex handle and a limiting handle groove, the upper end of the slide block limiting plate is hinged with the lower end of the pipe frame supporting leg, the limiting convex handles are arranged on two sides of the slide block limiting plate respectively and are connected with the limiting handle groove arranged on the upper part of the side wall of the guide plate groove in a clamping groove mode, and the lower end of the slide block limiting plate is fixedly connected with the upper end of the nylon block; the nylon block is installed in a limiting mode in a groove cavity of the guide plate groove, a V-shaped groove is formed in the bottom of the nylon block, a V-shaped guide rail is arranged on a bottom plate of the guide plate groove, the long edge direction of the V-shaped guide rail and the long edge direction of the V-shaped groove of the nylon block are consistent with the length direction of the pipe support, and the V-shaped guide rail is matched with the V-shaped groove of the nylon block and connected in a rail groove mode.
5. The catwalk collapsible power tube rack with displacement compensation of claim 4, wherein: the upper portion of the front end of the pipe support is provided with a blocking stick, the blocking stick prevents a pipe tool and a drilling tool placed on the upper end face of the pipe support from falling, and the outer side end of the sleeve is provided with an ear seat.
6. The catwalk collapsible power tube rack with displacement compensation of claim 5, wherein: the rotating shaft is nested with a supporting leg abutting block, the middle part of the supporting leg abutting block is provided with an abutting block hole, and the rotating shaft penetrates through the abutting block hole; the length dimension of the supporting leg supporting block is larger than the width dimension of the supporting leg supporting block, the front end of the supporting leg supporting block in the length direction is provided with a supporting block supporting portion, one side of the supporting block supporting portion is provided with a supporting block handle, and one end of the supporting leg supporting block in the width direction is a supporting block narrow end.
CN202022831764.9U 2020-12-01 2020-12-01 Take collapsible power pipe support of catwalk of displacement compensation Active CN213684023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022831764.9U CN213684023U (en) 2020-12-01 2020-12-01 Take collapsible power pipe support of catwalk of displacement compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022831764.9U CN213684023U (en) 2020-12-01 2020-12-01 Take collapsible power pipe support of catwalk of displacement compensation

Publications (1)

Publication Number Publication Date
CN213684023U true CN213684023U (en) 2021-07-13

Family

ID=76737339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022831764.9U Active CN213684023U (en) 2020-12-01 2020-12-01 Take collapsible power pipe support of catwalk of displacement compensation

Country Status (1)

Country Link
CN (1) CN213684023U (en)

Similar Documents

Publication Publication Date Title
CN1773073B (en) Construction apparatus
CN103696710B (en) Aboveground working string conveying device
CN104763357A (en) Automatic drilling rig transporting device
CN105201427A (en) Power catwalk
CN205189787U (en) Dynamic catwalk
CN209687435U (en) Oil field tube rod conveyer
WO2021208804A1 (en) Novel power catwalk
CN109372428A (en) A kind of Pneumatic drilling machine of multifunctional foldable
CN213684023U (en) Take collapsible power pipe support of catwalk of displacement compensation
CN214222648U (en) Integrated automatic wellhead operation device
CN204591184U (en) A kind of automation drilling tool board migration device
CN104863529A (en) Rapid-traverse type power catwalk
CN112761552B (en) Batch tubular column conveying device and tubular column processing method
CN112696159B (en) Power catwalk
CN109854191A (en) Oil field tube rod conveyer
CN114776237B (en) Power catwalk and method for conveying multiple drilling tools side by side to upper and lower drill floors
CN213684027U (en) Multi-section telescopic inclined V-shaped ramp
CA2982786A1 (en) Catwalk system and method
CN216517834U (en) Coal mine underground rapid tunneling advanced drilling device
CN113882813B (en) Underground rapid tunneling advanced drilling device and method for coal mine
CN112878934B (en) Marine power catwalk, marine module drilling machine adopting marine power catwalk and moving method of marine module drilling machine
CN212129271U (en) Supporting mechanism and backhoe loader
CN108857310B (en) Mobile installation vehicle for excavation stand
CN204060566U (en) A kind of oil cylinder lifting type land dynamic catwalk
CN112539038B (en) Folded cascade power catwalk

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A foldable power pipe rack with displacement compensation for catwalks

Effective date of registration: 20230703

Granted publication date: 20210713

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIZHONG ENERGY TECHNOLOGY Co.,Ltd.

Registration number: Y2023370010077

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20210713

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO TAIZHONG ENERGY TECHNOLOGY Co.,Ltd.

Registration number: Y2023370010077

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 266000 15th floor, 22nd century building, 39 Longcheng Road, Shibei District, Qingdao City, Shandong Province

Patentee after: Yingtelifu (Qingdao) Marine Equipment Technology Co.,Ltd.

Country or region after: China

Address before: 266000 15th floor, 22nd century building, 39 Longcheng Road, Shibei District, Qingdao City, Shandong Province

Patentee before: QINGDAO TAIZHONG ENERGY TECHNOLOGY Co.,Ltd.

Country or region before: China