CN212170278U - Pressure control ring assembly equipment - Google Patents
Pressure control ring assembly equipment Download PDFInfo
- Publication number
- CN212170278U CN212170278U CN202020151397.5U CN202020151397U CN212170278U CN 212170278 U CN212170278 U CN 212170278U CN 202020151397 U CN202020151397 U CN 202020151397U CN 212170278 U CN212170278 U CN 212170278U
- Authority
- CN
- China
- Prior art keywords
- mounting
- pressure control
- piece
- control ring
- fixing
- 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
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a pressure control ring rigging equipment relates to oil equipment technical field, has reached the purpose of assembling the pressure control ring. The utility model discloses a main technical scheme does: the method comprises the following steps: adjusting device and two mountings, two the mounting sets up along the first direction in proper order on same straight line, two the mounting can be dismantled respectively and connect in the both ends of elastic ring, adjusting device is used for controlling two the mounting is close to or is kept away from each other along the first direction to make the elastic ring prop greatly or reduce. The utility model discloses mainly used pressure control ring's assembly.
Description
Technical Field
The utility model relates to a petroleum equipment technical field especially relates to a pressure control ring rigging equipment.
Background
The rubber sleeve packer is often used in the technical field of petroleum equipment, and the setting of the rubber sleeve packer is generally realized by pushing a rubber sleeve by external force such as high-pressure gas and the like. The pressure control ring facilitates rapid unsetting of the packer. The pressure control ring is composed of a metal annular body and an elastic ring, the elastic ring needs to be expanded through external force, the metal annular body is placed into the elastic ring, the external force is released to enable the elastic ring to be reduced, and the metal annular body is clamped with the elastic ring to complete assembly.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a pressure control ring assembling apparatus, which is mainly used for assembling a pressure control ring.
The embodiment of the utility model provides a pressure control ring rigging equipment is provided, this pressure control ring rigging equipment includes: adjusting device and two mountings, two the mounting sets up along the first direction in proper order on same straight line, two the mounting can be dismantled respectively and connect in the both ends of elastic ring, adjusting device is used for controlling two the mounting is close to or is kept away from each other along the first direction to make the elastic ring prop greatly or reduce.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Specifically, the two fixing pieces are respectively a first fixing piece and a second fixing piece;
adjusting device includes drive assembly and flexible subassembly, flexible subassembly one end connect in drive assembly, the other end connect in first mounting, the second mounting is fixed to be set up in predetermineeing the position, drive assembly is used for the drive flexible subassembly shrink or extension are kept away from or are close to in order to drive first mounting the second mounting.
Specifically, the telescopic component is a hydraulic cylinder component, and the driving component is a hydraulic hand pump.
Specifically, first mounting includes first connecting band, the both ends of first connecting band all are provided with first fixed part, first fixed part with flexible subassembly deviates from the connection can be dismantled to drive assembly's one end.
Specifically, the first fixing piece further comprises a bending rod and a straight rod, wherein an installation hole is formed in one end, away from the driving assembly, of the telescopic assembly, the straight rod penetrates through the installation hole, and two ends of the bending rod are detachably connected to two opposite ends of the straight rod respectively;
the first fixing portion is provided with a first sleeve hole, and the first fixing portions at the two ends of the first connecting belt are sleeved on the bending rod through the first sleeve hole.
Specifically, the second mounting includes locating lever and second connecting band, the locating lever along predetermineeing the direction set up in predetermineeing the position, the both ends of second connecting band all are provided with the second fixed part, be provided with the second trepanning on the second fixed part, the second fixed part passes through second trepanning cover is located the locating lever.
Specifically, still include the screens ring, the locating lever includes relative first end and second end, first end is fixed in predetermineeing the position, screens ring detachable cover is located the locating lever, and is located the second fixed part is close to one side of second end, wherein the external diameter of screens ring is greater than the diameter of second trepanning.
Specifically, the method further comprises the following steps: the positioning device comprises a workbench, wherein a working plane is formed on the workbench, the positioning rod is arranged at the preset position of the working plane, and the driving assembly is arranged on the working plane.
Specifically, the first fixing piece comprises a first connecting piece, a second connecting piece and a third connecting piece which are connected in sequence, the first connecting piece, the second connecting piece and the third connecting piece enclose a U-shaped space, one end of the first connecting piece, deviating from the second connecting piece, of the third connecting piece, deviates from the second connecting piece, and one end of the telescopic assembly, deviating from the driving assembly, of the third connecting piece is detachably connected.
Specifically, adjusting device includes first driving piece, first extensible member, second driving piece and second extensible member, first extensible member one end connect in one the mounting, the other end connect in first driving piece, second driving piece one end connect in another the mounting, the other end connect in the second driving piece, first driving piece with the second driving piece is used for the drive respectively first extensible member with the shrink of second extensible member or extension, in order to drive first mounting with the second mounting is kept away from each other or is close to each other.
The embodiment of the utility model provides a pressure control ring rigging equipment fixes the elastic ring through the mounting, after two mountings were installed to the elastic ring, can adjust the position of two mountings through adjusting device, when two mountings were kept away from each other, the elastic ring was propped greatly, can install the becket, when two mountings were close to each other, the elastic ring dwindled, the elastic ring fastening was in the outside joint recess of becket.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a pressure control ring assembling apparatus according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a pressure control ring assembling apparatus provided in an embodiment of the present invention.
The reference numbers illustrate:
11-first connecting belt, 12-bending rod, 13-straight rod, 21-positioning rod, 22-second connecting belt, 3-telescopic assembly, 31-hydraulic cylinder, 32-push rod, 4-hydraulic hand pump, 5-clamping ring, 6-workbench and 7 metal ring
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the objects of the present invention, the following detailed description of the embodiments, structures, features and effects of the pressure control ring assembling apparatus according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
The embodiment of the utility model provides a pressure control ring rigging equipment, as shown in fig. 1 to fig. 2, this pressure control ring rigging equipment includes: adjusting device and two mountings, two mountings set up along the first direction in proper order on same straight line, and two mountings can be dismantled respectively and connect in the both ends of elastic ring, and adjusting device is used for controlling two mountings and is close to each other or keep away from along the first direction to make the elastic ring prop greatly or reduce.
Wherein, pressure control ring includes becket 7 and elastic ring, and the surface of becket 7 is provided with the joint recess around 7 a week of becket, and the elastic ring sets up in the joint recess, and four annular bodies are cut apart into to becket 7, and becket 7 includes four-petal annular body promptly, can constitute complete becket 7 after four-petal annular body splices. The two fixing pieces can be arranged on a straight line, the adjusting device can control the distance between the two fixing pieces, and specifically, the adjusting device can drive one of the fixing pieces to move to enable the fixing piece to be far away from the other fixing piece. The adjusting device can also drive the two fixing pieces to move, so that the two fixing pieces are far away or close to each other. When the pressure ring assembling equipment provided by the utility model is used for assembling the metal ring 7 and the elastic ring, firstly, the elastic ring is clamped into the clamping grooves of the two valve ring-shaped bodies, so that the two valve ring-shaped bodies are arranged oppositely, the positions of the two valve ring-shaped bodies clamped into the elastic ring are respectively the first position and the second position of the elastic ring, the first position and the corresponding ring-shaped body are arranged oppositely, the first position and the corresponding ring-shaped body are arranged in the fixing piece, the first position and the corresponding ring-shaped body are arranged in the other fixing piece, then the adjusting device adjusts the position relation between the two fixing pieces, so that the distance between the two fixing pieces is gradually increased, the elastic ring is stretched gradually, the elastic ring is expanded to a certain extent, the rest two valve ring-shaped bodies are arranged in the elastic ring, the four valve ring-shaped bodies are spliced to form the complete metal ring 7, the adjusting device adjusts the positions of the two fixing pieces again, so that the two fixing pieces are close to each other, the two fixing pieces are reset, the elastic ring is reduced, and the elastic ring is clamped in the clamping grooves of the two remaining annular bodies to complete the assembly of the pressure control ring.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Specifically, the two fixing pieces are respectively a first fixing piece and a second fixing piece; adjusting device includes drive assembly and flexible subassembly 3, and 3 one ends of flexible subassembly are connected in drive assembly, and the other end is connected in first mounting, and the second mounting is fixed to be set up in predetermineeing the position, and drive assembly is used for driving flexible subassembly 3 to contract or extend to drive first mounting and keep away from or be close to the second mounting.
Wherein, the second mounting is fixed in the default position, and it keeps motionless, and drive assembly can drive the extension of flexible subassembly 3 or shorten, and first mounting follows the subassembly that contracts and is reciprocating motion, and then keeps away from or is close to the second mounting, and flexible subassembly 3 can also be the pneumatic cylinder subassembly for hydraulic cylinder subassembly, does not carry out specific restriction here. The second fixing piece, the first fixing piece and the adjusting device are sequentially arranged along the first direction.
Specifically, the telescopic assembly 3 is a hydraulic cylinder assembly, and the driving assembly is a hydraulic hand pump 4.
Wherein, as shown in fig. 1 and fig. 2, the hydraulic cylinder assembly includes a hydraulic cylinder 31 and a push rod 32, one end of the push rod 32 extends into the hydraulic cylinder 31 and is connected with the inner wall of the hydraulic cylinder 31 in a sealing and sliding manner, the other end of the push rod 32 is connected with a first fixing member, the push rod 32 can do reciprocating motion in the hydraulic cylinder 31, the first fixing member is connected with one end of the push rod 32 which does not extend into the hydraulic cylinder 31, the hand-operated hydraulic pump is connected with the hydraulic cylinder 31 assembly, and the flow rate and the pressure of the hydraulic cylinder assembly of the. The push rod 32 is driven to do reciprocating motion through the hand-operated hydraulic pump, the hydraulic cylinder 31 is stable, when the size of the pressure control ring is large, large external force is needed for pulling the elastic ring, the hydraulic cylinder assembly can provide large pulling force, the large-size elastic ring can be unfolded, and therefore the assembly of the large-size pressure control ring is completed.
Specifically, as shown in fig. 1 and fig. 2, the first fixing member includes a first connecting belt 11, first fixing portions are disposed at two ends of the first connecting belt 11, and the first fixing portions are detachably connected to an end of the telescopic assembly 3 away from the driving assembly.
Wherein the first connecting belt 11 is made of a flexible inelastic material, the first connecting belt 11 is light in weight, so that the overall weight of the press-fitting apparatus can be controlled. When using pressure ring rigging equipment, go into the joint recess of two annuliform bodies with the elasticity circle card back for the elasticity circle is passed to the one end of first connecting band 11, then installs the first fixed part at first connecting band 11 both ends in flexible subassembly 3. When the telescopic assembly 3 is a hydraulic cylinder assembly, the first fixing portion can be provided with a first sleeve hole, the push rod 32 is provided with a mounting hole, the mounting hole is aligned with the first sleeve hole, and the two first fixing portions are mounted on the push rod 32 through bolts. After the installation is accomplished, hand hydraulic pump drive hydraulic cylinder 31 is flexible for first mounting removes, and first connecting band 11 is taut gradually, continues to drive hydraulic cylinder 31, makes the elastic ring be propped greatly gradually. After the pressure control ring is assembled, the first fixing portion is detached from the push rod 32, and the first connecting band 11 is taken out of the pressure control ring.
Specifically, as shown in fig. 1 and fig. 2, the first fixing member further includes a bending rod 12 and a straight rod 13, one end of the telescopic assembly 3 away from the driving assembly is provided with a mounting hole, the straight rod 13 penetrates through the mounting hole, and two ends of the bending rod 12 are detachably connected to two opposite ends of the straight rod 13 respectively; wherein, the pole 12 of buckling can be the U type, it has both ends parallel to each other, the U type open end that pole 12 was buckled to the U type can be dismantled with the both ends of straight-bar 13 and be connected, and then will buckle pole 12 and fix on flexible subassembly 3, it also can have other shapes to buckle pole 12 certainly, do not prescribe a limit to one at this, the both ends of buckling pole 12 can set up the through-hole, straight-bar 13 wears to locate in the through-hole at the both ends of buckling pole 12, then at the both ends fixation nut of straight-bar 13, it is fixed with pole 12 of buckling with straight-bar 13. The first fixing portion is provided with a first sleeve hole, and the first fixing portions at two ends of the first connecting belt 11 are detachably sleeved on the bending rod 12 through the first sleeve hole. The first fixing portions may be annular, and the two first fixing portions are fixedly connected to both ends of the first connecting band 11. The following preparatory work is required before expanding the elastic ring: make the pole 12 of buckling, be the split state between straight-bar 13 and the flexible subassembly 3, make 11 one end of first connecting band pass the elastic ring after, fix first connecting band 11 in the primary importance, establish the first fixed part cover at the both ends of first connecting band 11 on the pole 12 of buckling, then the through-hole that will buckle the pole 12 both ends is aligned with the mounting hole on the flexible subassembly 3, mounting hole and through-hole are passed in proper order to straight-bar 1, wherein, two through-holes are located the both sides of mounting hole, hold at the first end of straight-bar 13 and second and screw up the nut, fix pole 12 of buckling. And after the pressure control ring is assembled, the nut is unscrewed, and the pressure control ring is disassembled. Wherein, the outer surface of the straight rod 13 is provided with threads.
Specifically, as shown in fig. 1 and fig. 2, the second fixing member includes a positioning rod 21 and a second connecting band 22, the positioning rod 21 is disposed at a predetermined position along a predetermined direction, second fixing portions are disposed at two ends of the second connecting band 22, a second sleeve hole is disposed on the second fixing portion, and the second fixing portion is sleeved on the positioning rod 21 through the second sleeve hole.
The second fixing portion may be annular, the second connecting band 22 is sleeved on the positioning rod 21 through the second fixing portion, the positioning rod 21 is fixedly disposed at a preset position, the positioning rod is disposed along a preset direction, the preset direction is crossed with the first direction, and is preferably perpendicular to the first direction, and the positioning rod 21 is disposed along a vertical direction. Before the elastic ring is expanded, one end of the second connecting band 22 passes through the elastic ring to fix the second connecting band 22 at the second position, and then the second fixing portion is sleeved on the positioning rod 21 to drive the telescopic assembly 3, so that the first connecting band 11 moves towards the direction far away from the second connecting band 22. After the assembly is completed, the second connecting band 22 is removed from the positioning rod 21, and the second connecting band 22 is stretched out from the elastic ring, and the assembled pressure control ring is removed.
Specifically, as shown in fig. 1 and fig. 2, the positioning device further includes a clamping ring 5, the positioning rod 21 includes a first end and a second end opposite to each other, the first end is fixed at a preset position, the positioning rod 21 is detachably sleeved on the clamping ring 5, and is located on one side of the second fixing portion close to the second end, wherein the outer diameter of the clamping ring 5 is greater than the diameter of the second sleeve hole.
As shown in fig. 1 and 2, the first end of the positioning rod 21 is fixedly connected to the ground or the working platform 6, the locking ring 5 is detachably connected to the positioning rod 21, and when the locking ring 5 is mounted on the positioning rod 21, the locking ring 5 is not moved, so that the second fixing portion is prevented from sliding out of the positioning rod 21 when the elastic ring is pulled. The retainer ring 5 may be threadedly coupled to the retainer rod 21. In addition, the positioning rod 21 may further be provided with a clamping surface, an orthographic projection of the second trepanning on the clamping surface is located in a region where the clamping surface is located, the clamping surface is arranged towards the second end, the second fixing portion is located on the clamping surface, and the second fixing portion may be fixed at a preset height by setting the clamping surface, wherein the first fixing member (i.e., the first connecting band 11) and the second fixing member (i.e., the second connecting band 22) are located at the same height. Wherein, the clamping ring 5 can clamp the second fixing part on the clamping plane. Wherein, can be so that locating lever 21 includes first section and second section, first section and preset position fixed connection, the diameter of first section is greater than the diameter of second section, and the junction of first section and second section forms the joint plane. The positioning rod 21 is not limited to a cylindrical shape.
Specifically, as shown in fig. 1 and 2, the method further includes: workstation 6, workstation 6 is last to be formed with the work plane, and locating lever 21 sets up in the preset position of work plane, and drive assembly sets up in the work plane. Wherein, screens ring 5 can be with second fixed part card on work plane, drive assembly and work plane are provided with the support column, the support column is used for supporting telescopic component 3 to predetermineeing the height, it can support the second mounting to predetermineeing the height to be provided with the joint plane on locating lever 21, and then make first mounting, second mounting and telescopic component 3 be in same height, avoid making the elastic ring surface take place to deflect at the in-process of installation pressure control ring, be unfavorable for the installation of cyclic annular body.
Specifically, first mounting is including the first connecting piece, second connecting piece and the third connecting piece that connect gradually, and first connecting piece, second connecting piece and third connecting piece enclose into U type space, and the one end that first connecting piece deviates from the second connecting piece, the one end that the third connecting piece deviates from the second connecting piece all can be dismantled with the one end that telescopic component 3 deviates from drive assembly and be connected. In this embodiment, first mounting can be made by the rigidity material, first connecting piece, second connecting piece and third connecting piece all can be for platelike, preparation work in equipment pressure control ring includes, make the elastic ring face the one end that first connecting piece deviates from the second connecting piece, perhaps the third connecting piece deviates from the one end of second connecting piece, make the elastic ring slide along first connecting piece or third connecting piece, the cover is established on the second connecting piece afterwards, then fix third connecting piece and first connecting piece on flexible subassembly 3, accessible bolt is connected between the three, the double-screw bolt passes first connecting piece in proper order, screw hole on flexible subassembly 3 and the second connecting piece, the rethread nut is locked it.
Specifically, adjusting device includes first driving piece, first extensible member, second driving piece and second extensible member, and first extensible member one end is connected in a mounting, and the other end is connected in first driving piece, and second driving piece one end is connected in another mounting, and the other end is connected in the second driving piece, and first driving piece and second driving piece are used for driving first extensible member and the shrink of second extensible member or extension respectively to it keeps away from each other or is close to each other to drive first mounting and second mounting. In this embodiment, two mountings are all driven by power device for two mountings all can move, and, when arbitrary one in first driving piece and the second driving piece broke down, all can control the mounting through the other and remove, make pressure control ring rigging equipment still can work.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A pressure control ring assembly apparatus, comprising:
adjusting device and two mountings, two the mounting sets up along the first direction in proper order on same straight line, two the mounting can be dismantled respectively and connect in the both ends of elastic ring, adjusting device is used for controlling two the mounting is close to or is kept away from each other along the first direction to make the elastic ring prop greatly or reduce.
2. The pressure control ring assembly apparatus of claim 1,
the two fixing pieces are respectively a first fixing piece and a second fixing piece;
adjusting device includes drive assembly and flexible subassembly, flexible subassembly one end connect in drive assembly, the other end connect in first mounting, the second mounting is fixed to be set up in predetermineeing the position, drive assembly is used for the drive flexible subassembly shrink or extension are kept away from or are close to in order to drive first mounting the second mounting.
3. The pressure control ring assembly apparatus of claim 2,
the telescopic component is a hydraulic cylinder component, and the driving component is a hydraulic hand pump.
4. The pressure control ring assembly apparatus of claim 2,
the first fixing piece comprises a first connecting belt, first fixing portions are arranged at two ends of the first connecting belt, and the first fixing portions and the end, deviating from the driving assembly, of the telescopic assembly are detachably connected.
5. The pressure control ring assembly apparatus of claim 4,
the first fixing piece further comprises a bending rod and a straight rod, one end of the telescopic assembly, which is far away from the driving assembly, is provided with a mounting hole, the straight rod penetrates through the mounting hole, and two ends of the bending rod are respectively detachably connected to two opposite ends of the straight rod;
the first fixing portion is provided with a first sleeve hole, and the first fixing portions at the two ends of the first connecting belt are sleeved on the bending rod through the first sleeve hole.
6. The pressure control ring assembly apparatus of claim 2,
the second fixing piece comprises a positioning rod and a second connecting band, the positioning rod is arranged at the preset position along the preset direction, second fixing portions are arranged at two ends of the second connecting band, second sleeve holes are formed in the second fixing portions, and the second fixing portions are arranged on the positioning rod in a sleeved mode through the second sleeve holes.
7. The pressure control ring assembly apparatus of claim 6,
still include the screens ring, the locating lever includes relative first end and second end, first end is fixed in predetermines the position, screens ring detachable cover is located the locating lever, and is located the second fixed part is close to one side of second end, wherein the external diameter of screens ring is greater than the diameter of second trepanning.
8. The pressure control ring assembly apparatus of claim 6,
further comprising: the positioning device comprises a workbench, wherein a working plane is formed on the workbench, the positioning rod is arranged at the preset position of the working plane, and the driving assembly is arranged on the working plane.
9. The pressure control ring assembly apparatus of claim 2,
the first fixing piece comprises a first connecting piece, a second connecting piece and a third connecting piece which are connected in sequence, the first connecting piece, the second connecting piece and the third connecting piece form a U-shaped space in a surrounding mode, one end, deviating from the second connecting piece, of the first connecting piece is far away from one end of the second connecting piece, one end, deviating from the second connecting piece, of the third connecting piece is connected with one end, deviating from the driving assembly, of the telescopic assembly in a detachable mode.
10. The pressure control ring assembly apparatus of claim 1,
adjusting device includes first driving piece, first extensible member, second driving piece and second extensible member, first extensible member one end connect in one the mounting, the other end connect in first driving piece, second driving piece one end connect in another the mounting, the other end connect in the second driving piece, first driving piece with the second driving piece is used for the drive respectively first extensible member with the shrink of second extensible member or extension, in order to drive two the mounting is kept away from each other or is close to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151397.5U CN212170278U (en) | 2020-02-04 | 2020-02-04 | Pressure control ring assembly equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151397.5U CN212170278U (en) | 2020-02-04 | 2020-02-04 | Pressure control ring assembly equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212170278U true CN212170278U (en) | 2020-12-18 |
Family
ID=73773110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020151397.5U Active CN212170278U (en) | 2020-02-04 | 2020-02-04 | Pressure control ring assembly equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212170278U (en) |
-
2020
- 2020-02-04 CN CN202020151397.5U patent/CN212170278U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3310533B1 (en) | Screw tensioning device | |
| JP4727946B2 (en) | Folding tip folding device | |
| CN111113334A (en) | Pressure control ring assembly equipment | |
| CN212170278U (en) | Pressure control ring assembly equipment | |
| CN107030381A (en) | Coaxial type optical device coupling welding system | |
| CN105773040A (en) | Internal folding/unfolding clamp for annular member | |
| CN216196534U (en) | Bracing device for scaffold | |
| JP2008285828A (en) | Columnar body mounting device and method of mounting columnar body | |
| CN204781895U (en) | Adjustable hanging flower basket leans on guide bracket and hanging flower basket of wall distance | |
| US2988318A (en) | Shore attachment combination | |
| CN105966480B (en) | Crawler-type traveling equipment and track takeup | |
| KR102273929B1 (en) | Clamp assembly device | |
| CN216475580U (en) | Safe formula steel construction node component | |
| KR20100052942A (en) | A supporter of sprinkler | |
| KR20120130975A (en) | Wearable exoskeletal appraratus | |
| JP2019105033A (en) | Splice plate holding tool | |
| KR101757901B1 (en) | Fixing apparatus of Retracting pulley at Multi-boom | |
| KR200374703Y1 (en) | steut for engineering work | |
| CN207548479U (en) | Sleeve part inner wall honing tool | |
| CN209723639U (en) | A kind of movable lifting frame for prestressing force hydraulic tensioning equipment | |
| CN104097242A (en) | Hydraulic rounding machine for hollow wooden column | |
| CN209050363U (en) | One kind being used for turbocharger piston ring installing mechanism | |
| CN216076207U (en) | Building engineering scaffold convenient to equipment | |
| CN111021260A (en) | Extensive applicability's jib tensioning equipment | |
| GB2377965A (en) | Safety apparatus for the erection of scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Tongao Testing Co.,Ltd. Address before: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG TONG'AO OIL FIELD TECHNOLOGY SERVICE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Tongao Testing Group Co.,Ltd. Address before: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Tongao Testing Co.,Ltd. |