CN111237284A - Bidirectional telescopic supporting mechanism and large valve dismounting device - Google Patents
Bidirectional telescopic supporting mechanism and large valve dismounting device Download PDFInfo
- Publication number
- CN111237284A CN111237284A CN202010027910.4A CN202010027910A CN111237284A CN 111237284 A CN111237284 A CN 111237284A CN 202010027910 A CN202010027910 A CN 202010027910A CN 111237284 A CN111237284 A CN 111237284A
- Authority
- CN
- China
- Prior art keywords
- piston
- supporting mechanism
- cylinder body
- dismounting device
- telescopic
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/782—Concurrent control, e.g. synchronisation of two or more actuators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a bidirectional telescopic supporting mechanism and a large-scale valve dismounting device, which comprise a hoop, a connecting piece and a bidirectional telescopic supporting mechanism; the bidirectional telescopic supporting mechanism comprises a cylinder body, an operating part, a first telescopic part, a second telescopic part, a main piston and a secondary piston, wherein the main piston and the secondary piston are arranged in the cylinder body; two staple bolts are installed on the pipeline to be dismantled, and two staple bolts are installed relatively through the connecting piece two-way flexible supporting mechanism's both ends, and two-way flexible supporting mechanism staple bolts take place to remove in step, realize that the valve is dismantled or is installed. The invention has the beneficial effects that: the synchronous stretching of the bidirectional stretching supporting mechanism pushes the hoop to move, the pipeline is detached to move synchronously with the hoop, the valve is detached or installed, the structure is relatively simple, manpower is saved, and the operation process is safe.
Description
Technical Field
The invention relates to the technical field of pipeline conveying equipment, in particular to a bidirectional telescopic supporting mechanism and a large valve dismounting device.
Background
The technical field of pipeline conveying machinery, particularly the field of oil and gas conveying equipment, high-pressure water injection and oil and gas conveying in the oil field development process have high pressure bearing requirements on valves, and in the installation process of the valves, the valves are difficult to clamp and move during disassembly or installation due to large weight, small size and irregular shapes, and particularly are very tight in pipeline connection, and the disassembly aging affects oil and gas production.
Among the prior art, after the fastening bolt with the pipeline pulls down, utilize the crow bar to insert the junction of valve and pipeline, prize the pipeline, other instruments of reuse support, but this process operating space is very little, and not horizontal migration still receives the screens of sealed steel ring, dismantles inefficiency, and the manual work dismantles the process very loaded down with trivial details.
Disclosure of Invention
The present invention provides a bidirectional telescopic supporting mechanism and a large-scale valve dismounting device, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a two-way flexible supporting mechanism, includes main piston, inferior piston in cylinder body, operating parts, first extensible member, second extensible member and the cylinder body, first extensible member, second extensible member suit are at the cylinder body both ends, the operating parts is installed on the cylinder body, operating parts control main piston, inferior piston motion in opposite directions or back of the body mutually, main piston, inferior piston promote first extensible member, the relative cylinder body of second extensible member respectively and take place the displacement.
As a further scheme of the invention: the first telescopic piece comprises a first sleeve piston and a first piston rod sleeved in the first sleeve piston, and the second telescopic piece comprises a second sleeve piston and a second piston rod sleeved in the second sleeve piston.
As a further scheme of the invention: the fastening piece comprises a gasket and a nut, threads are arranged on the tops of the first piston rod and the second piston rod, and the threads and the fastening piece are used for fixing an external mechanism.
As a further scheme of the invention: the connection between the thread and the external mechanism is smooth and thread-free.
As a further scheme of the invention: the cylinder body is provided with a mounting opening for mounting an operating part, the operating part comprises a rotary table, a rotary shaft, a rack, a gear and a supporting part, the rotary shaft is mounted on the mounting opening through the supporting part, the rotary table and the gear are mounted at two ends of the rotary shaft, and the gear is synchronously meshed with the rack mounted on the main piston and the secondary piston.
As a further scheme of the invention: the operating member is a pneumatic element or a hydraulic element, and the main piston and the secondary piston are pushed to move by the pneumatic element or the hydraulic element.
The invention also provides a large-scale valve dismounting device, which comprises a hoop, a connecting piece and any one of the two-way telescopic supporting mechanisms, wherein the hoop is relatively arranged at two ends of the two-way telescopic supporting mechanism through the connecting piece, and the hoop is pushed to move through synchronous telescopic of the two-way telescopic supporting mechanism.
As a further scheme of the invention: the hoop is characterized in that a plurality of supporting sleeves are welded on the outer circumference of the hoop, and the supporting sleeves are fixed with the bidirectional telescopic supporting mechanism through fasteners.
As a further scheme of the invention: the hoop is an open-close type ring, and a connecting hole for installing a connecting piece is formed in the opening of the open-close type ring.
As a still further scheme of the invention: the open-close type circular ring is formed by hinging two semicircular rings.
Compared with the prior art, the invention has the beneficial effects that: through mutually supporting of two-way telescopic machanism and staple bolt, the staple bolt is installed on being dismantled the pipeline, and synchronous flexible promotion staple bolt through two-way flexible supporting mechanism removes, is dismantled pipeline and staple bolt synchronous emergence and removes, realizes that the valve is dismantled or the installation, and the structure is simple relatively, practices thrift the manpower, and operation process safety.
Drawings
Fig. 1 is a schematic structural diagram of a large-scale valve dismounting device.
Fig. 2 is a schematic structural diagram of a hoop in a large-scale valve dismounting device.
Fig. 3 is a schematic structural diagram of a bidirectional telescopic supporting mechanism.
Fig. 4 is a schematic cross-sectional view of a bi-directional telescopic supporting mechanism.
Fig. 5 is a schematic view of an installation structure of a large valve dismounting device.
Fig. 6 is a schematic view of a disassembly structure of a large valve disassembly device.
In the drawings: 1-hoop, 101-support sleeve, 102-connecting hole, 103-fastening bolt, 104-elastic gasket, 105-fastening nut, 2-bidirectional telescopic support mechanism, 201-cylinder body, 202-main piston, 203-secondary piston, 204-limit sleeve, 3-first sleeve piston, 4-first piston rod, 5-second sleeve piston, 6-second piston rod, 7-fastening piece, 8-operating piece, 801-gear, 802-turntable, 803-rotating shaft, 804-rack, A-upper interface pipeline, B-valve and C-lower interface pipeline.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example 1
Referring to fig. 3-4, in an embodiment of the present invention, a bidirectional telescopic supporting mechanism 2 includes a cylinder 201, an operating member 8, a first telescopic member, a second telescopic member, and a primary piston 202 and a secondary piston 203 in the cylinder, where the first telescopic member and the second telescopic member are sleeved at two ends of the cylinder 201, the operating member 8 controls the primary piston 202 and the secondary piston 203 to move toward or away from each other, and the primary piston 202 and the secondary piston 203 respectively push the first telescopic member and the second telescopic member to displace relative to the cylinder 201.
Specifically, the rotation of the operating member 8 is converted into a primary piston 202 of the piston pushing the first telescopic member to move relative to one end of the cylinder 201, and a secondary piston 203 pushing the second telescopic member to move relative to the other end of the cylinder 201. The extension and retraction of the first and second telescoping members supports movement of the external mechanism.
Referring to fig. 3, in the embodiment of the present invention, the first telescopic member includes a first sleeve piston 3 and a first piston rod 4 sleeved in the first sleeve piston, and the second telescopic member includes a second sleeve piston 5 and a second piston rod 6 sleeved in the second sleeve piston.
Specifically, the first sleeve piston 3 and the second sleeve piston 5 are respectively sleeved at two ends of the cylinder 201, the main piston 202 and the secondary piston 203 respectively push the first sleeve piston 3 and the second sleeve piston 5 to move, and the first piston rod 4 and the second piston rod 6 are synchronously pushed, so that the external mechanism is supported.
Referring to fig. 3, in the embodiment of the present invention, a fastening member 7 is further included, the fastening member 7 includes a gasket and a nut, the top portions of the first piston rod 4 and the second piston rod 6 are both provided with threads, and the threads and the fastening member 7 are used for fixing an external mechanism.
Specifically, the positions of the external mechanism on the first piston rod 4 and the second piston rod 6 are limited by a plurality of gaskets and nuts, so that the external mechanism is supported and fastened;
referring to fig. 3, in the embodiment of the present invention, preferably, the joints between the first piston rod 4 and the external mechanism and the second piston rod 6 are smooth and have no thread, and are better in contact with the external mechanism.
In another technical method of this embodiment, the fastening element 7 may be a snap ring, a washer and a bolt, and the external mechanism is supported and limited by the snap ring, the washer and the bolt.
Referring to fig. 3 and 4, in the embodiment of the present invention, the cylinder 201 is provided with a mounting opening for mounting an operating element, the operating element 8 includes a rotating plate 802, a rotating shaft 803, a rack 804, a gear 801 and a support, the rotating shaft 803 is mounted on the mounting opening through the support, the rotating plate 802 and the gear 801 are mounted at two ends of the rotating shaft 803, the gear 801 is synchronously engaged with the rack 804 mounted on the primary piston 202 and the secondary piston 203, and the rack 804 is limited by the position limiting sleeve 204 in displacement.
Specifically, the rotating shaft 803 is mounted on the mounting opening through a bearing, a snap ring and other components included in the support, the rotating disc 802 is rotated to drive the gear 801 at the other end of the rotating shaft 803 to rotate, the rack 804 on the primary piston 202 and the secondary piston 203 meshed with the gear 801 moves synchronously, and the movement of the primary piston 202 and the secondary piston 203 indirectly pushes the first piston rod 4 and the second piston rod 6 to move.
Referring to fig. 3, in the embodiment of the present invention, the operating member 8 is a pneumatic element or a hydraulic element, and the primary piston 202 and the secondary piston 203 are driven by the pneumatic element or the hydraulic element to move.
Specifically, a pneumatic or hydraulic element is mounted at the mounting port, and gas or liquid is pressed into the cylinder body, so that the main piston 202 and the secondary piston 203 move, and the first piston rod 4 and the second piston rod 6 are indirectly pushed to move.
Example 2
Referring to fig. 1, 5 and 6, in another embodiment of the present invention, a large-scale valve dismounting device includes an anchor ear 1, a connecting member, and any one of the above two-way telescopic supporting mechanisms 2, wherein two anchor ears 1 are installed on a dismounted pipeline, the two anchor ears 1 are installed at two ends of the two-way telescopic supporting mechanism 2 through the connecting member, the anchor ears 1 are pushed to move by synchronous telescopic of the two-way telescopic supporting mechanism 2, the dismounted pipeline and the anchor ears 1 move synchronously, and dismounting or mounting of a valve B is achieved.
Specifically, a staple bolt 1 is installed on last interface pipeline A, a staple bolt 1 is installed on interface pipeline C down, and all by fixed, loosen interface pipeline A, the fastening part of lower interface pipeline C and valve B, stretch through two-way flexible supporting mechanism 2 in step and promote staple bolt 1 to move to two-way flexible supporting mechanism 2 both ends respectively, remove the certain distance, lift off valve B, later, install the new valve of replacement, shrink two-way flexible supporting mechanism 2, reach the settlement requirement, fasten the junction of interface pipeline A, lower interface pipeline C and valve B, ensure that whole pipeline leakproofness, atmospheric pressure and hydraulic pressure etc. reach the requirement.
Referring to fig. 1-2, in the embodiment of the present invention, a plurality of supporting sleeves 101 are welded on the outer circumference of the hoop 1, and the supporting sleeves 101 and the bidirectional telescopic supporting mechanism 2 are fixed by fasteners 7.
Preferably, the number of the support sleeves 101 is three, and the three support sleeves are matched with the bidirectional telescopic support mechanism 2 and used for supporting the upper interface pipeline A and the lower interface pipeline C; the three support sleeves 101 are matched with the two-way telescopic support mechanism 2, so that a space can be reserved for moving out of the valve, the two-way telescopic support mechanism 2 is uniformly stressed in the disassembly process, the side movement is avoided, and the balance is achieved on the specification size and the number of the two-way telescopic support mechanism 2.
Referring to fig. 1-2, in the embodiment of the present invention, the hoop 1 is an open-close type circular ring, and a connecting hole 102 for installing a connecting member is disposed at an opening of the open-close type circular ring.
Preferably, the surface of the connecting hole 102 is smooth and is better contacted with the fastening piece 7, and the connecting piece comprises a fastening bolt 103 and a fastening nut 105, wherein the fastening bolt 103 is matched with the connecting hole 102.
Preferably, the connecting piece comprises a fastening bolt 103, an elastic gasket 104 and a fastening nut 105, and the elastic gasket 104 is additionally matched with the fastening bolt 103 and the fastening nut 105, so that the hoop 1 is in closer contact with the upper interface pipeline A and the lower interface pipeline C and cannot slide.
Referring to fig. 1-2, in the embodiment of the present invention, the opening-closing ring is formed by two semicircular rings hinged together.
Specifically, the two semicircular rings are more rapid and convenient to install, one ends of the two semicircular rings are connected through hinges, the other ends of the two semicircular rings form openings of open-close type circular rings, connecting holes 102 are formed in the openings, and the two semicircular rings are fastened through fastening bolts 103, elastic gaskets 104 and fastening nuts 105; the inner surface of the semicircular ring can be also provided with a friction plate for increasing the friction force between the hoop 1 and the upper interface pipeline A and the lower interface pipeline C.
The working principle of the invention is as follows: two staple bolts are installed on being dismantled the pipeline to fasten with the fastener, two staple bolts pass through the connecting piece and install relatively two-way flexible supporting mechanism's both ends, operating parts control two-way flexible supporting mechanism work, and the synchronous flexible two staple bolts that promote through two-way flexible supporting mechanism take place to remove relative valve, are dismantled the pipeline and take place to remove with the staple bolt is synchronous, and the restriction of valve is relieved, realizes that the valve is dismantled or is installed.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The utility model provides a two-way flexible supporting mechanism, includes main piston, inferior piston in cylinder body, operating parts, first extensible member, second extensible member and the cylinder body, its characterized in that, first extensible member, second extensible member suit at the cylinder body both ends, the operating parts is installed on the cylinder body, operating parts control main piston, inferior piston motion in opposite directions or back of the body mutually, main piston, inferior piston promote first extensible member, the relative cylinder body of second extensible member respectively and take place the displacement.
2. The mechanism of claim 1, wherein the first telescoping member comprises a first sleeve piston, a first piston rod sleeved in the first sleeve piston, and the second telescoping member comprises a second sleeve piston and a second piston rod sleeved in the second sleeve piston.
3. The mechanism of claim 2, further comprising a fastener, wherein the fastener comprises a washer and a nut, the top of the first piston rod and the top of the second piston rod are both provided with threads, and the threads and the fastener are used for fixing an external mechanism.
4. A bi-directional telescoping support mechanism as claimed in claim 3, wherein the connection of said screw thread to the external mechanism is smooth and unthreaded.
5. The mechanism of claim 1, wherein the cylinder has a mounting opening for mounting an operating member.
6. The bi-directional telescopic support mechanism according to claim 1, wherein the operating member is a pneumatic or hydraulic element, and the primary piston and the secondary piston are moved by the pneumatic or hydraulic element.
7. A large-scale valve dismounting device comprises an anchor ear and a connecting piece, and is characterized by further comprising the bidirectional telescopic supporting mechanism as claimed in any one of claims 1 to 6, wherein the anchor ear is relatively installed at two ends of the bidirectional telescopic supporting mechanism through the connecting piece, and the anchor ear is pushed to move through synchronous telescopic of the bidirectional telescopic supporting mechanism.
8. The large-scale valve dismounting device according to claim 7, wherein a plurality of support sleeves are welded on the outer circumference of the hoop, and the support sleeves and the bidirectional telescopic support mechanism are fixed through fasteners.
9. The large-scale valve dismounting device according to claim 7, wherein the anchor ear is an open-close type ring, and a connecting hole for installing a connecting piece is arranged at an opening of the open-close type ring.
10. A large valve dismounting device according to claim 9, wherein the open-close type circular ring is formed by hinging two semi-circular rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027910.4A CN111237284A (en) | 2020-01-10 | 2020-01-10 | Bidirectional telescopic supporting mechanism and large valve dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027910.4A CN111237284A (en) | 2020-01-10 | 2020-01-10 | Bidirectional telescopic supporting mechanism and large valve dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111237284A true CN111237284A (en) | 2020-06-05 |
Family
ID=70864081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010027910.4A Pending CN111237284A (en) | 2020-01-10 | 2020-01-10 | Bidirectional telescopic supporting mechanism and large valve dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111237284A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829259A (en) * | 2021-09-26 | 2021-12-24 | 北京理工大学 | Hydraulic automatic aligning device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010630A (en) * | 1976-04-08 | 1977-03-08 | Textron, Inc. | Hydraulic actuated power tool |
| US4136521A (en) * | 1977-11-14 | 1979-01-30 | Qma Inc. | Multi-purpose portable hydraulic unit |
| CN202672773U (en) * | 2012-06-26 | 2013-01-16 | 中天建设集团有限公司 | Adjustable steel pipe support |
| CN202789833U (en) * | 2012-10-07 | 2013-03-13 | 山东华安液压技术有限公司 | Hydraulic double-telescopic support |
| CN202862144U (en) * | 2012-10-27 | 2013-04-10 | 中国石油化工股份有限公司 | Valve dismounting device |
| CN103066531A (en) * | 2013-01-14 | 2013-04-24 | 义乌市供电局 | Supporting frame for 10 KV line live wire |
| CN103307726A (en) * | 2013-06-07 | 2013-09-18 | 广东美的电器股份有限公司 | Air-conditioning air guiding mechanism and air conditioner |
| CN104514479A (en) * | 2013-09-26 | 2015-04-15 | F·波尔希名誉工学博士公司 | Arrangement for a roller blind |
| CN205298975U (en) * | 2016-01-21 | 2016-06-08 | 河南理工大学万方科技学院 | Movie & TV rocking arm bearing structure that makes a video recording |
| CN105781102A (en) * | 2016-05-04 | 2016-07-20 | 生加旺 | Combined steel tube support |
| CN206686724U (en) * | 2017-05-03 | 2017-12-01 | 四川省建筑设计研究院 | One kind building cylinder landscape planting support meanss |
| CN209596503U (en) * | 2019-02-28 | 2019-11-08 | 齐鲁师范学院 | A kind of gymnastics flexibility training device |
-
2020
- 2020-01-10 CN CN202010027910.4A patent/CN111237284A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010630A (en) * | 1976-04-08 | 1977-03-08 | Textron, Inc. | Hydraulic actuated power tool |
| US4136521A (en) * | 1977-11-14 | 1979-01-30 | Qma Inc. | Multi-purpose portable hydraulic unit |
| CN202672773U (en) * | 2012-06-26 | 2013-01-16 | 中天建设集团有限公司 | Adjustable steel pipe support |
| CN202789833U (en) * | 2012-10-07 | 2013-03-13 | 山东华安液压技术有限公司 | Hydraulic double-telescopic support |
| CN202862144U (en) * | 2012-10-27 | 2013-04-10 | 中国石油化工股份有限公司 | Valve dismounting device |
| CN103066531A (en) * | 2013-01-14 | 2013-04-24 | 义乌市供电局 | Supporting frame for 10 KV line live wire |
| CN103307726A (en) * | 2013-06-07 | 2013-09-18 | 广东美的电器股份有限公司 | Air-conditioning air guiding mechanism and air conditioner |
| CN104514479A (en) * | 2013-09-26 | 2015-04-15 | F·波尔希名誉工学博士公司 | Arrangement for a roller blind |
| CN205298975U (en) * | 2016-01-21 | 2016-06-08 | 河南理工大学万方科技学院 | Movie & TV rocking arm bearing structure that makes a video recording |
| CN105781102A (en) * | 2016-05-04 | 2016-07-20 | 生加旺 | Combined steel tube support |
| CN206686724U (en) * | 2017-05-03 | 2017-12-01 | 四川省建筑设计研究院 | One kind building cylinder landscape planting support meanss |
| CN209596503U (en) * | 2019-02-28 | 2019-11-08 | 齐鲁师范学院 | A kind of gymnastics flexibility training device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829259A (en) * | 2021-09-26 | 2021-12-24 | 北京理工大学 | Hydraulic automatic aligning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208375199U (en) | A kind of stud tightens regulating device | |
| CN111237284A (en) | Bidirectional telescopic supporting mechanism and large valve dismounting device | |
| CN208117746U (en) | A kind of oil and gas pipeline valve extracting tool | |
| CN207593690U (en) | A kind of novel main shaft bearing replacer for being easily installed and dismantling | |
| CN207534288U (en) | Gearbox changer and its locking device | |
| CN211203340U (en) | Comprehensive logging pressurization explosion-proof fan lifting device | |
| CN215721318U (en) | Auxiliary support for building pipeline installation | |
| CN205520341U (en) | Fluid pressure type bearing dismouting device | |
| CN205703188U (en) | A kind of bolt tensioning jack nut automatic fastening and backing mechanism | |
| CN108487327A (en) | The laborsaving antitheft municipal well lid of one kind and extracting tool and assembly and disassembly methods | |
| CN108457305A (en) | The municipal well lid of the readily removable safety of one kind and extracting tool and assembly and disassembly methods | |
| CN110181455B (en) | Hydraulic cylinder dismounting device | |
| CN209670141U (en) | Detachable aluminium profiles frame glass curtain wall | |
| CN211172395U (en) | Steel structure assembly capable of being flexibly disassembled | |
| CN107528246B (en) | A kind of sealing device mounting tool | |
| CN203566640U (en) | Spring disassembling and assembling tool for steam turbine high and low pressure driving mechanism | |
| CN114161126B (en) | Dismounting device of large water pump and using method thereof | |
| CN102818099B (en) | Rotation type pumping unit installation base | |
| CN220647398U (en) | Portable ultra-high pressure pump | |
| CN211332046U (en) | Mining upright post guide sleeve dismounting machine | |
| CN2916118Y (en) | High-pressure valve | |
| CN219801826U (en) | Bus duct sealing structure | |
| CN220951177U (en) | Sealing structure of rotary joint of oil filling riser | |
| CN213332614U (en) | Explosion-proof valve convenient to install fast | |
| CN215037153U (en) | Wide-distance flange expanding closer of pressure regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |