CN204920848U - Chain hydraulic pressure revolves detains pincers - Google Patents
Chain hydraulic pressure revolves detains pincers Download PDFInfo
- Publication number
- CN204920848U CN204920848U CN201520430275.9U CN201520430275U CN204920848U CN 204920848 U CN204920848 U CN 204920848U CN 201520430275 U CN201520430275 U CN 201520430275U CN 204920848 U CN204920848 U CN 204920848U
- Authority
- CN
- China
- Prior art keywords
- wheel assembly
- chain
- type hydraulic
- chain type
- clamp arm
- 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
- 210000000080 chela (arthropods) Anatomy 0.000 title abstract 3
- 238000005553 drilling Methods 0.000 claims description 42
- 239000003208 petroleum Substances 0.000 claims description 40
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a chain hydraulic pressure revolves detains pincers, include: and a frame. Press from both sides tight arm with the tight arm of first clamp and second, wherein every presss from both sides tight arm and all includes first end and second end, but every press from both sides tight arm first end pivot be connected to the frame. Chain hydraulic pressure revolves detains pincers still includes: the action wheel assembly, it is installed on the frame, first sprocket wheel assembly soon and second revolve the sprocket wheel assembly, first sprocket wheel assembly soon and second revolve the sprocket wheel overall composition do not installs the second end of the tight arm of first clamp and the second end that the second pressed from both sides tight arm, with the oil chain, the oil chain is configured as the follow outside and revolves the meshing of sprocket wheel assembly and the quilt with action wheel assembly, first sprocket wheel assembly soon and second the drive of action wheel assembly.
Description
Technical field
The utility model relates to oil and gas well drilling machinery, and specifically a kind of is the supporting turnbuckle clamp device of well head petroleum tool iron driller.
Background technology
Along with petroleum drilling operation is to the raising of rig floor automatization level, the well head petroleum tool (as dynamic drilling rod pliers, power casing tongs, iron driller etc.) that automaticity is high is applied more and more widely.Hydraulic swing clasp forceps is a kind of device of quick precession or back-out tool joint in round trip, usually supporting on iron driller equipment.
Existing hydraulic swing clasp forceps device normally adopts four or eight hydraulic motors to drive four steel rollers, steel roller is made to clamp drilling tool body outer wall by hydraulic jack, drive drilling tool is clockwise or be rotated counterclockwise, thus realizes precession and the back-out of tool joint screwed connection.In order to prevent the skidding between roller and drilling tool, steel roller needs to be carved with helical teeth, and the flank of tooth needs carburizing and quenching.In spinner operation, atwirl this cognition of steel pair of rollers drilling tool causes surface cut, causes drilling tool to damage, and shortens drilling tool application life.
Utility model content
The purpose of this utility model is to overcome existing hydraulic swing clasp forceps and gnaws to drilling tool the problem of biting, and avoids traditional spinner operation to the damage of drilling tool, and provides a kind of structure simple, easy to maintenance, effectively can reduce the turnbuckle clamp of plant maintenance time and expense.
Above-mentioned utility model object of the present utility model realizes by providing a kind of chain type hydraulic swing clasp forceps.
According to according to an aspect of the present utility model, provide a kind of chain type hydraulic swing clasp forceps, it comprises: framework; First clamp arm and the second clamp arm, wherein each clamp arm includes first end and the second end, and the first end of each clamp arm is pivotably connected to described framework; Driving wheel assembly, it is mounted on said frame; First spinner wheel assembly and the second spinner wheel assembly, described first spinner wheel assembly and the second spinner wheel assembly are respectively installed to the second end of the first clamp arm and the second end of the second clamp arm; And petroleum chain, described petroleum chain is configured to engage with driving wheel assembly, the first spinner wheel assembly and the second spinner wheel assembly from outside and driven by described driving wheel assembly.
According to an exemplary embodiment, described chain type hydraulic swing clasp forceps also comprises the free-wheeling assembly of the approximate mid-section position being arranged on each clamp arm, and described petroleum chain is further configured to and engages with described free-wheeling assembly.
According to another exemplary embodiment, described chain type hydraulic swing clasp forceps also comprises the hydraulic cylinder of connection first clamp arm and the second clamp arm, make the first spinner wheel assembly and the second spinner wheel assembly can under the effect of described hydraulic cylinder close to each other or away from.
According to another exemplary embodiment, described framework comprises and is formed in described slot in frames, and described driving wheel assembly is arranged in described groove.
According to another exemplary embodiment, described chain type hydraulic swing clasp forceps also comprises guiding mechanism, for adjusting the described installation site of driving wheel assembly in described groove.According to further embodiment, described guiding mechanism comprises screw-nut body, described screw-nut body comprises installation leading screw on said frame and is fixedly attached to the nut of described driving wheel assembly, make the rotation of described leading screw that described nut can be driven to move, thus change the described position of driving wheel assembly in described groove.According to further embodiment, described framework also comprises the scale be arranged near described groove.
According to another exemplary embodiment, the space for clamping drilling tool is formed between described first clamp arm and the second clamp arm, described petroleum chain comprises the slack strand between the first spinner wheel assembly and the second spinner wheel assembly, when drilling tool enters described space by the opening between the first spinner wheel assembly and the second spinner wheel, the slack strand of described petroleum chain is fitted the outer surface of described drilling tool.
According to another exemplary embodiment, described spinner wheel assembly comprises: the sprocket wheel engaged with described petroleum chain; With the pinch wheels for clamping described drilling tool.
According to another exemplary embodiment, described driving wheel assembly is positioned at the appropriate location in described groove by described guiding mechanism, make when drilling tool is clamped in described space, the slack strand of described petroleum chain is tensioned and around periphery a greater part of of described drilling tool, and the first spinner wheel assembly and the second spinner wheel assembly do not contact with each other.
According to chain type hydraulic swing clasp forceps of the present utility model, by adopting the structure design of chain and sprocket wheel combination, overcoming existing hydraulic swing clasp forceps and the problem of biting is gnawed to drilling tool, avoiding traditional spinner operation to the damage of drilling tool.This hydraulic swing clasp forceps structure is simple, and on-site maintenance is convenient, can effectively reduce plant maintenance time and expense, thus reduces petroleum operations cost, improves petroleum operations safety and efficiency.
Accompanying drawing explanation
Next embodiment shown is by reference to the accompanying drawings described in detail the utility model, wherein:
Fig. 1 is the schematic phantom drawing of the chain type hydraulic swing clasp forceps according to embodiment of the present utility model;
Fig. 2 is another perspective schematic view of the hydraulic swing of chain type shown in Fig. 1 clasp forceps;
Fig. 3 is the decomposition diagram of the hydraulic swing of chain type shown in Fig. 1 clasp forceps;
Schematic top plan view when Fig. 4 is the chain type hydraulic swing clasp forceps work according to embodiment of the present utility model, wherein, drilling tool is clamped in turnbuckle clamp.
In the drawings, identical Reference numeral indicates identical parts.
Reference numerals list:
1-framework
2-clamp arm
3-free-wheeling assembly
4-spinner wheel assembly
5-driving wheel assembly
6-petroleum chain
7-clamping cylinder
8-screw-nut body
9-drilling tool
Detailed description of the invention
Next, will to be illustrated preferred embodiment of the present utility model in detail by reference to the accompanying drawings.
Fig. 1-Fig. 3 respectively illustrates the phantom drawing Sum decomposition figure of the chain type hydraulic swing clasp forceps according to exemplary embodiment of the present utility model.As shown in the figure, the chain type hydraulic swing clasp forceps according to embodiment of the present utility model comprises: framework 1 and two clamp arms 2, and wherein each clamp arm includes first end and the second end, and the first end of each clamp arm 2 is pivotably connected to described framework 1.In the exemplary embodiment, framework 1 and clamp arm 2 are welded construction, and clamp arm 2 is arranged on framework 1 by pin.Chain type hydraulic swing clasp forceps also comprises: 5 driving wheel assemblies, and it is installed on described framework 1; Two spinner wheel assemblies 4, each spinner wheel assembly 4 is respectively installed to the second end of two clamp arms 2; With petroleum chain 6, described petroleum chain is configured to engage with described driving wheel assembly 5 and described two spinner wheel assemblies 4 from outside and can be driven by described driving wheel assembly 5 thus move around the periphery of driving wheel assembly 5 and two spinner wheel assemblies 4.
Spinner wheel assembly 4 can be made up of components such as bearing storehouse, bearing, sprocket wheel, pinch wheels, and is arranged on clamp arm 2 by bolt, is especially arranged on front end or the vice jaw part of clamp arm 2.Driving wheel assembly 5 comprises the sprocket wheel engaged with described petroleum chain and the driving mechanism driving described sprocket wheel to rotate.More specifically, in a further embodiment, driving wheel assembly 5 can comprise the components such as hydraulic motor, reducer, sprocket wheel, bearing and bearing storehouse, wherein, sprocket wheel engages with petroleum chain 6, hydraulic motor is used for drive sprocket and rotates, and reducer is used for slowing down to obtain the chain wheel speed expected to hydraulic motor, and bearing and bearing storehouse are arranged between sprocket wheel and sprocket wheel wheel shaft for enabling link freely rotate.
Framework 5 comprises and is formed in described slot in frames, and driving wheel assembly 5 is arranged in groove, as shown in Figure 1.This groove preferably extends along the direction of the center line between two clamp arms.Driving wheel assembly 5 is arranged in described groove in the mode that can adjust position.Particularly, chain type hydraulic swing clasp forceps also comprises guiding mechanism, for adjusting the position of driving wheel assembly 5 in described groove.Described guiding mechanism such as comprises screw-nut body 8.As shown in Figure 2, screw-nut body 8 comprises the leading screw be arranged on framework 1 and the nut being fixedly attached to described driving wheel assembly, make the rotation of described leading screw that described nut can be driven to move, thus change the position of driving wheel assembly 5 in described groove, as shown in Figure 2.Preferably, described screw-nut body also comprises the handwheel being arranged on leading screw one end, operates described leading screw rotate with handled easily person.Driving wheel 5 movable (for moving left and right in Fig. 1 and 4) in groove can change the tensile force in petroleum chain 6, and can adapt to different drilling tool sizes (such as, diameter), and this will describe in detail hereinafter.In order to determine easily and adjust the position of driving wheel assembly 5 in described groove, framework 1 also can comprise and is arranged on scale near described groove or graduation mark.
Chain type hydraulic swing clasp forceps also comprises the free-wheeling assembly 3 of the approximate mid-section position being arranged on each clamp arm 2, and described petroleum chain 6 is further configured to and engages with each free-wheeling assembly 3.Preferably, in order to adapt to the larger drilling tool of diameter, petroleum chain 6 engages from outside with free-wheeling assembly 3, thus can form larger space in petroleum chain 6.But free-wheeling assembly 3 is not necessary in some cases, and in some unshowned embodiments, petroleum chain 6 also can engage from inner side with free-wheeling assembly 3.In other unshowned embodiments, each clamp arm 2 also can arrange more than one free-wheeling assembly.This can be configured according to specific needs.In the exemplary embodiment, free-wheeling assembly 3 can be made up of sprocket wheel, bearing and sealing etc., is arranged on the near middle of clamp arm 2 by pin.In such configuration, petroleum chain 6 engages respectively with the sprocket wheel of driving wheel assembly 5, free-wheeling assembly 3, spinner wheel assembly 4 successively, is the closed high-strength chain of a regular length, as shown in Figures 2 and 3.
As shown in figs. 1 and 3, chain type hydraulic swing clasp forceps also comprises the hydraulic cylinder 7 of connection two clamp arms 2.Can respectively arrange a hydraulic cylinder 7 in the upper side and lower side of turnbuckle clamp, their two ends are arranged on two pieces clamp arm 2 respectively by pin.By this structure, two clamp arms 2 can under the effect of hydraulic cylinder 7 (hydraulic cylinder rod stretches out or retracts) around respective first end pivotable, thus be arranged on spinner wheel assembly on the second end of each clamp arm 2 can close to each other or away from, thus to open or the jaw of closed turnbuckle clamp.In other embodiments unshowned, when relative motion between guarantee two clamp arms 2, also only can provide a hydraulic cylinder 7.
Next the course of work of the chain type hydraulic swing clasp forceps of embodiment will described in detail according to this practicality.
Schematic top plan view when Fig. 4 is the chain type hydraulic swing clasp forceps work according to embodiment of the present utility model, wherein, drilling tool 9 is clamped in turnbuckle clamp.As shown in Figure 4, form the space for clamping drilling tool 9 between two clamp arms 2, when not working according to turnbuckle clamp of the present utility model or await orders, petroleum chain 6 comprises the slack strand between the second end of clamp arm 2.Now, by extending the cylinder bar of hydraulic cylinder 7, the jaw between two clamp arms 2 is opened, with preparation at any time.Or, also can, by shrinking hydraulic cylinder 7, make two clamp arms 2 close to each other, thus reduce the overall space occupied of turnbuckle clamp.Framework 1 is processed with scale, can conveniently by screw-nut body 8 driving wheel assembly 5 is moved and be positioned to assigned address under the armed state of turnbuckle clamp device, adapt to the external diameter of spinner operation drilling tool 9.When turnbuckle clamp works, the cylinder bar of hydraulic cylinder 7 stretches out, and two clamp arms 2 are opened, and the slack strand of two cover spinner wheel assemblies 4 and the petroleum chain 6 between them defines a jaw opened.When drilling tool 9 is entered in drilling tool grasping part by the opening between the second end of two clamp arms 2, the slack strand of petroleum chain 6 will engage the outer surface of drilling tool 9.Then, hydraulic cylinder 7 shrinks, and two clamp arms 2 close, and make the outer wall of the pinch wheels in spinner wheel assembly 4 and drilling tool 9 tangent, the petroleum chain 6 of associated jaw portion is made to hold the large half cycle of drilling tool 9 outer wall tightly and ensure not contact with each other between two cover spinner wheel assemblies 4, the whole piece of tensioning simultaneously petroleum chain 4.Subsequently, the hydraulic motor started in driving wheel assembly 5 drives petroleum chain 6 to move, and uses the operating principle of chain wrench, drives the drilling tool 9 of clamping to rotate, thus realizes quick spinner operation.When hydraulic motor turns clockwise, screw thread screws out, and hydraulic motor is rotated counterclockwise screw thread precession, and chain does not cause damage to drilling tool 9.Screw-nut body 8 adjusts the position in the groove of driving wheel assembly 5 in framework 1, thus the length of the slack strand of the petroleum chain 6 between turnbuckle clamp assembly 4 is overlapped in adjustment at jaw two, when ensureing spinner operation, petroleum chain 6 tensioning is also clamped the large half cycle of drilling tool 9 outer wall and is not in contact with each other between two cover spinner wheel assemblies 4.
Advantage of the present utility model and good effect are: by adopting the structure design of chain and sprocket wheel combination, overcoming existing hydraulic swing clasp forceps and gnawing to drilling tool the problem of biting, avoiding traditional spinner operation to the damage of drilling tool.The utility model structure is simple, and on-site maintenance is convenient, can effectively reduce plant maintenance time and expense.The utility model have design principle rationally, maintenance of equipment time and expense, reduction petroleum operations cost can be reduced, improve petroleum operations safety and efficiency.
So far; in conjunction with accompanying drawing of the present utility model, preferred embodiment of the present utility model is described in detail; but person of skill in the art will appreciate that: when not deviating from spirit of the present utility model and essence; can further revise it and change, and all these changes and change all should fall within protection domain of the present utility model.Therefore, protection domain of the present utility model is determined by the protection domain of claims.
Claims (10)
1. a chain type hydraulic swing clasp forceps, comprising:
Framework; With
First clamp arm and the second clamp arm, wherein each clamp arm includes first end and the second end, and the first end of each clamp arm is pivotably connected to described framework,
It is characterized in that, described chain type hydraulic swing clasp forceps also comprises:
Driving wheel assembly, it is mounted on said frame;
First spinner wheel assembly and the second spinner wheel assembly, described first spinner wheel assembly and the second spinner wheel assembly are respectively installed to the second end of the first clamp arm and the second end of the second clamp arm; With
Petroleum chain, described petroleum chain is configured to engage with driving wheel assembly, the first spinner wheel assembly and the second spinner wheel assembly from outside and driven by described driving wheel assembly.
2. chain type hydraulic swing clasp forceps according to claim 1, it is characterized in that, described chain type hydraulic swing clasp forceps also comprises the free-wheeling assembly of the approximate mid-section position being arranged on each clamp arm, and described petroleum chain is further configured to and engages with described free-wheeling assembly.
3. chain type hydraulic swing clasp forceps according to claim 1, it is characterized in that, described chain type hydraulic swing clasp forceps also comprises the hydraulic cylinder of connection first clamp arm and the second clamp arm, make the first spinner wheel assembly and the second spinner wheel assembly can under the effect of described hydraulic cylinder close to each other or away from.
4. chain type hydraulic swing clasp forceps according to claim 1, is characterized in that, described framework comprises and is formed in described slot in frames, and described driving wheel assembly is arranged in described groove.
5. chain type hydraulic swing clasp forceps according to claim 4, is characterized in that, described chain type hydraulic swing clasp forceps also comprises guiding mechanism, for adjusting the described installation site of driving wheel assembly in described groove.
6. chain type hydraulic swing clasp forceps according to claim 5, it is characterized in that, described guiding mechanism comprises screw-nut body, described screw-nut body comprises installation leading screw on said frame and is fixedly attached to the nut of described driving wheel assembly, make the rotation of described leading screw that described nut can be driven to move, thus change the described position of driving wheel assembly in described groove.
7. chain type hydraulic swing clasp forceps according to claim 6, it is characterized in that, described framework also comprises the scale be arranged near described groove.
8. the chain type hydraulic swing clasp forceps according to any one of claim 5 to 7, it is characterized in that, the space for clamping drilling tool is formed between described first clamp arm and the second clamp arm, described petroleum chain comprises the slack strand between the first spinner wheel assembly and the second spinner wheel assembly, when drilling tool enters described space by the opening between the first spinner wheel assembly and the second spinner wheel, the slack strand of described petroleum chain is fitted the outer surface of described drilling tool.
9. chain type hydraulic swing clasp forceps according to claim 8, is characterized in that, described spinner wheel assembly comprises:
The sprocket wheel engaged with described petroleum chain; With
For clamping the pinch wheels of described drilling tool.
10. chain type hydraulic swing clasp forceps according to claim 8, it is characterized in that, described driving wheel assembly is positioned at the appropriate location in described groove by described guiding mechanism, make when drilling tool is clamped in described space, the slack strand of described petroleum chain is tensioned and around periphery a greater part of of described drilling tool, and the first spinner wheel assembly and the second spinner wheel assembly do not contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430275.9U CN204920848U (en) | 2015-06-19 | 2015-06-19 | Chain hydraulic pressure revolves detains pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430275.9U CN204920848U (en) | 2015-06-19 | 2015-06-19 | Chain hydraulic pressure revolves detains pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204920848U true CN204920848U (en) | 2015-12-30 |
Family
ID=54969985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430275.9U Active CN204920848U (en) | 2015-06-19 | 2015-06-19 | Chain hydraulic pressure revolves detains pincers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204920848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507828A (en) * | 2016-01-21 | 2016-04-20 | 赤峰市浩峰钻机有限责任公司 | Roller-type clamp |
| CN114151031A (en) * | 2021-12-10 | 2022-03-08 | 北京捷杰西石油设备有限公司 | A turbocharging system for rotating buckle tongs |
-
2015
- 2015-06-19 CN CN201520430275.9U patent/CN204920848U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507828A (en) * | 2016-01-21 | 2016-04-20 | 赤峰市浩峰钻机有限责任公司 | Roller-type clamp |
| CN105507828B (en) * | 2016-01-21 | 2018-12-18 | 赤峰市浩峰钻机有限责任公司 | Roller type clamper |
| CN114151031A (en) * | 2021-12-10 | 2022-03-08 | 北京捷杰西石油设备有限公司 | A turbocharging system for rotating buckle tongs |
| CN114151031B (en) * | 2021-12-10 | 2024-02-27 | 北京捷杰西科技股份有限公司 | Pressurizing system for turnbuckle pliers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206703052U (en) | A kind of industrial robot grips fixture with nut | |
| US2450934A (en) | Well pipe handling apparatus | |
| CN109263742B (en) | Transmission tower climbing robot clamping device and robot thereof | |
| US9546526B2 (en) | Torque wrench apparatus and method for making and breaking joints | |
| CN204920848U (en) | Chain hydraulic pressure revolves detains pincers | |
| CN203649464U (en) | Pipe tapping machine | |
| CN103132931A (en) | Iron driller | |
| CN105604505B (en) | A kind of bridge thribble pipe racking device and comb method | |
| DE2315227A1 (en) | METHOD AND DEVICE FOR ROTATING PIPES | |
| CN106115252B (en) | The valve body feed mechanism of electromagnetic valve body feeder | |
| CN202804619U (en) | Bolt disassembling device | |
| CN1970233A (en) | Rack-and-pinion type outer pipe quick aligner | |
| CN201367302Y (en) | Electric turnover clamp | |
| CN104929544B (en) | A kind of oil drilling pipe clamping jaw | |
| US10941022B2 (en) | Grabbing device | |
| CN103640026B (en) | A kind of spindle assembly manipulator | |
| CN204511339U (en) | Petroleum machinery drill pipe tong | |
| CN2883652Y (en) | Multifunction screwing/screwing off device | |
| CN204094678U (en) | A kind of fixture block chain wrench | |
| KR200383716Y1 (en) | a grab system for wood work | |
| CN110700772A (en) | Portable drilling tool hydraulic tong | |
| CN105971533A (en) | Power tongs for petroleum machinery drill rod | |
| CN209615514U (en) | A kind of clamping type robot arm device | |
| CN210147418U (en) | Pressure test dismounting device for downhole tool | |
| CN201703975U (en) | Tube panel hoisting turning tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: Chain type hydraulic screwing pliers Effective date of registration: 20210709 Granted publication date: 20151230 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. Registration number: Y2021990000593 |
|
| 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 |
Date of cancellation: 20210924 Granted publication date: 20151230 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. Registration number: Y2021990000593 |
|
| 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: Chain hydraulic screwing pliers Effective date of registration: 20210924 Granted publication date: 20151230 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. Registration number: Y2021990000873 |
|
| 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 |
Date of cancellation: 20230828 Granted publication date: 20151230 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. Registration number: Y2021990000873 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1101, 11th Floor, Building 5, No. 15 Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 (Yizhuang Cluster, High end Industrial Zone, Beijing Pilot Free Trade Zone) Patentee after: Beijing Jiejie West Technology Co.,Ltd. Country or region after: China Address before: Room 328, Haishunde building, A1 Donghuan North Road, Daxing Economic and Technological Development Zone, Beijing 100176 Patentee before: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. Country or region before: China |