CN112026194B - High-pressure oil pipe joint press-in device - Google Patents
High-pressure oil pipe joint press-in device Download PDFInfo
- Publication number
- CN112026194B CN112026194B CN202010851204.1A CN202010851204A CN112026194B CN 112026194 B CN112026194 B CN 112026194B CN 202010851204 A CN202010851204 A CN 202010851204A CN 112026194 B CN112026194 B CN 112026194B
- Authority
- CN
- China
- Prior art keywords
- shaft
- fork arm
- shifting fork
- movable
- connecting rod
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/24—Pipe joints or couplings
Abstract
The invention discloses a portable high-pressure oil pipe joint press-in device which comprises a base, wherein a first bearing seat, a second bearing seat, a third bearing seat and a fourth bearing seat are fixed on two sides of an upper platform of the base, the first bearing seat and the second bearing seat are connected with a first rotating shaft, the third bearing seat and the fourth bearing seat are connected with a second rotating shaft, the middle sections of the first rotating shaft and the second rotating shaft are connected with a swinging mechanism, two ends of the first rotating shaft and the second rotating shaft are respectively fixed with a follow-up mechanism, and the follow-up mechanisms on the same side of the first rotating shaft and the second rotating shaft are connected through a first. The invention controls the follow-up mechanism to clamp and release the movable block through the handles at the two sides, and the device is simple and reasonable and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of hydraulic pipe joints, in particular to a portable high-pressure oil pipe joint press-in device.
Background
The oil pipe is composed of a steel wire winding framework layer and inner and outer oil-resistant and corrosion-resistant synthetic rubber at high pressure and is used for conveying engineering machinery hydraulic oil pipes, seabed natural gas, petroleum, irrigation, steel plants, chemical plants and other media.
High pressure fuel pipe is in the use, because can't in time follow the change and solve the problem in the field when the joint takes place to break, drop scheduling problem, need use the withhold machine to connect the change, and the withhold machine is not convenient for carry again.
Therefore, the portable high-pressure oil pipe joint press-in device is invented through the problem to be solved, the movable blocks connected with the handles are controlled to clamp and release through the handles on the two sides to press in the joint, the device only needs manual operation without power, and the internal connecting rod mechanism saves the required operation force and is convenient to carry.
Disclosure of Invention
According to the technical problem to be solved, the invention provides the portable high-pressure oil pipe joint pressing-in device which enables the connecting rod connected to the handle to operate and drive the movable block to clamp the joint and press the joint into the oil pipe by drawing the handle.
In order to achieve the purpose, the portable high-pressure oil pipe joint press-in device comprises a base, wherein a first bearing seat, a second bearing seat, a third bearing seat and a fourth bearing seat are fixed on two sides of an upper platform of the base, the first bearing seat and the second bearing seat are connected with a first rotating shaft, the third bearing seat and the fourth bearing seat are connected with a second rotating shaft, the middle sections of the first rotating shaft and the second rotating shaft are connected with a swing mechanism, two ends of the first rotating shaft and the second rotating shaft are respectively fixed with a follow-up mechanism, and the follow-up mechanisms on the same sides of the first rotating shaft and the second rotating shaft are connected through a first.
Further, the swing mechanism at the middle section of the first rotating shaft includes: the shaft sleeve is characterized by comprising a first fixed shaft, a third movable shifting fork arm and a fourth movable shifting fork arm, wherein the third movable shifting fork arm and the fourth movable shifting fork arm are connected to the outer side of the shaft sleeve, a groove is formed in the inner side of the shaft sleeve and sleeved on a first rotating shaft flat key, and the top end of the third movable shifting fork arm is connected with the top end of the fourth movable shifting fork arm through the first fixed shaft.
Further, the swing mechanism at the middle section of the second rotating shaft includes: the shaft sleeve is provided with a groove at the inner side and sleeved on a second rotating shaft flat key, and the top ends of the sixth movable shifting fork arm and the seventh movable shifting fork arm are connected by the second fixed shaft.
Furthermore, the first fixed shaft is connected with a first fixed shaft hole on the first movable block, and a shaft sleeve between the third movable shifting fork arm and the fourth movable shifting fork arm is sleeved in the first movable block shaft sleeve hole.
Furthermore, the second fixed shaft is connected with a second fixed shaft hole on the second movable block, and a shaft sleeve between the sixth movable shifting fork arm and the seventh movable shifting fork arm is sleeved in the second movable block shaft sleeve hole.
Furthermore, the first handle is fixed on the upper plane of the first movable block, the lower plane is provided with an arc shape, and the surface of the first movable block is provided with a convex edge.
Furthermore, the second handle is fixed on the upper plane of the second movable block, the lower plane is provided with an arc shape, and the surface is provided with a convex edge.
Furthermore, the first rotating shaft follower mechanism comprises a first movable shifting fork arm, a first connecting rod fixing shaft, a second movable shifting fork arm and a second connecting rod fixing shaft, the first connecting rod fixing shaft is sleeved in a shaft hole at the top end of the first movable shifting fork arm, the second connecting rod fixing shaft is sleeved in a shaft hole at the top end of the second movable shifting fork arm, and grooves in the shaft holes of the first movable shifting fork arm and the second movable shifting fork arm are respectively inserted into flat keys at two ends of the first rotating shaft.
Furthermore, the second rotating shaft follower mechanism comprises a fifth movable shifting fork arm, a third connecting rod fixing shaft, an eighth movable shifting fork arm and a fourth connecting rod fixing shaft, the third connecting rod fixing shaft is sleeved in a shaft hole at the top end of the fifth movable shifting fork arm, the fourth connecting rod fixing shaft is sleeved in a shaft hole at the top end of the eighth movable shifting fork arm, and grooves in the shaft holes of the fifth movable shifting fork arm and the eighth movable shifting fork arm are respectively inserted into flat keys at two ends of the first rotating shaft.
Furthermore, two ends of the first connecting rod and the second connecting rod are respectively connected with the first connecting rod fixing shaft, the third connecting rod fixing shaft, the second connecting rod fixing shaft and the fourth connecting rod fixing shaft.
Has the advantages that: according to the portable high-pressure oil pipe joint press-in device, the movable blocks connected to the handles are controlled to clamp and release through the handles on the two sides to press in the joints, the device only needs manual operation without power, the internal connecting rod mechanism saves the required operation force and is convenient to carry, and the problem of replacing the joints in the field is well solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a right isometric view of the portable high pressure tubing joint press-in device of the present invention.
Fig. 2 shows the explosion intention of the portable high-pressure oil pipe joint pressing device.
Fig. 3 is a schematic view of a swing mechanism of the portable high-pressure oil pipe joint press-in device of the invention.
FIG. 4 is a left side perspective view of the portable high pressure tubing joint press-in device of the present invention.
Fig. 5 is a front view of the portable high pressure tubing joint press-in device of the present invention.
In the figure: 1 is a first handle; 2 is a first fixed shaft hole; 3 is a first movable block; 4 is a second handle; 5 is a second fixed shaft hole; 6 is a second movable block; 7 is a first connecting rod; 8 is a second connecting rod; 9 is a first connecting rod fixing shaft; 10 is a first movable shifting fork arm; 11 is a first fixed shaft; 12 is a second movable shifting fork arm; 13 is a first rotation axis; 14 is a second connecting rod fixing shaft; 15 is a first bearing seat; 16 is a third movable shifting fork arm; 17 is a fourth movable shifting fork arm; 18 is a second bearing seat; 19 is a second fixed shaft; 20 is a third connecting rod fixing shaft; 21 is a fifth movable declutch arm; 22 is a third bearing seat; 23 is a sixth movable shifting fork arm; 24 is a seventh movable shifting fork arm; 25 is a fourth bearing seat; 26 is a fourth connecting rod fixing shaft; 27 is a second rotation axis; 28 is an eighth movable declutch arm; and 29 is a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
As shown in fig. 1 to 5, the portable high-pressure oil pipe joint press-in device includes a base, a first bearing seat 15, a second bearing seat 18, a third bearing seat 22 and a fourth bearing seat 25 are fixed on two sides of an upper platform of the base 29, the first bearing seat 15 and the second bearing seat 18 are connected to a first rotating shaft 13, the third bearing seat 22 and the fourth bearing seat 25 are connected to a second rotating shaft 27, a swing mechanism is connected to a middle section of the first rotating shaft 13 and the second rotating shaft 27, a follower mechanism is fixed on each of two ends of the first rotating shaft 13 and the second rotating shaft 27, and the follower mechanisms on the same side of the first rotating shaft 13 and the second rotating shaft 27 are connected through a first connecting rod. The high-pressure oil pipe needing to be installed or replaced is fixed in the cavity of the base, the interface is aligned to the center of the cavity of the clamping block, the joint is lifted up through the handles on the two sides of the first movable block 3 and the second movable block 6, because the two sides of the second rotating shaft 27 are connected with the first rotating shaft 13 through the connecting rod mechanism, when the handle on one side of the second movable block 6 is lifted up, the handle on one side of the first movable block 3 is lifted up along with the handle, the metal joint in the cavity of the movable block is clamped, and after clamping, the movable block is continuously lifted up, and the joint can be pressed downwards through friction force until the joint is pressed into the.
As shown in fig. 3, the swing mechanism in the middle of the first rotation shaft 13 includes: the novel shaft sleeve is characterized by comprising a first fixed shaft 11, a third movable shifting fork arm 16 and a fourth movable shifting fork arm 17, wherein the third movable shifting fork arm 16 and the fourth movable shifting fork arm 17 are connected to the outer side of the shaft sleeve, the inner side of the shaft sleeve is provided with a groove and is sleeved on a flat key of a first rotating shaft 13, and the top ends of the third movable shifting fork arm 16 and the fourth movable shifting fork arm 17 are connected through the first fixed shaft 11. The third movable shifting fork arm 16 and the fourth movable shifting fork arm 17 in the middle section of the first rotating shaft 13 are fixed at two ends of the shaft sleeve, the shaft sleeve is fixed on the first rotating shaft 13, the top ends of the third movable shifting fork arm 16 and the fourth movable shifting fork arm 17 are connected through the first fixing shaft 11, and the first rotating shaft 13 is driven to rotate through the swing mechanism in the middle section of the first rotating shaft 13 when the movable block swings.
As shown in fig. 3, the swing mechanism in the middle of the second rotation shaft 27 includes: the shaft sleeve comprises a second fixed shaft 19, a sixth movable shifting fork arm 23 and a seventh movable shifting fork arm 24, wherein the sixth movable shifting fork arm 23 and the seventh movable shifting fork arm 24 are connected to the outer side of the shaft sleeve, a groove is formed in the inner side of the shaft sleeve and sleeved on a second rotating shaft 27 flat key, and the top ends of the sixth movable shifting fork arm 23 and the seventh movable shifting fork arm 24 are connected through the second fixed shaft 19. The sixth movable shifting fork arm 23 and the seventh movable shifting fork arm 24 in the middle section of the second rotating shaft 27 are fixed at two ends of the shaft sleeve, the shaft sleeve is fixed on the second rotating shaft 27, the ends of the sixth movable shifting fork arm 23 and the seventh movable shifting fork arm 24 are connected through the second fixing shaft 27, and the second rotating shaft 27 is driven to rotate by the swing mechanism in the middle section of the second rotating shaft 27 when the movable block swings.
As shown in fig. 2, the first fixed shaft 11 is connected to the first fixed shaft hole 2 on the first movable block 3, and a shaft sleeve hole of the first movable block 3 is sleeved with a shaft sleeve between the third movable fork arm 16 and the fourth movable fork arm 17. Wherein, first movable block 3 sets up two shaft holes and registrates first rotation axis 13 and first fixed axle 11, and the activity in-process can be better drives the rotation axis and rotates and can not the idle running.
As shown in fig. 2, the second fixed shaft 19 is connected to the second fixed shaft hole 5 on the second movable block 6, and a shaft sleeve hole of the second movable block 6 is sleeved with a shaft sleeve between the sixth movable declutch arm 23 and the seventh movable declutch arm 24. Wherein, the second movable block 6 is provided with two shaft holes and is sleeved with the second rotating shaft 27 and the second fixed shaft 19, and the rotating shaft can be better driven to rotate in the moving process without idle rotation
As shown in fig. 1, 2, 4 and 5, the first handle 1 is fixed on the first movable block 3 on the upper plane, and the first handle is provided with a circular arc shape on the lower plane and a convex rib on the surface. Wherein, the fixed handle increases the arm of force can be more laborsaving, and the fin can increase frictional force.
As shown in fig. 1, 2, 4 and 5, the second handle 4 is fixed to the second movable block 6 on the upper plane, and the second movable block has a circular arc shape on the lower plane and a convex rib on the surface. Wherein, the fixed handle increases the arm of force can be more laborsaving, and the fin can increase frictional force.
As shown in fig. 3, the first rotating shaft 13 following mechanism includes a first movable fork arm 10, a first connecting rod fixing shaft 9, a second movable fork arm 12 and a second connecting rod fixing shaft 14, the first connecting rod fixing shaft 9 is sleeved in a shaft hole at the top end of the first movable fork arm 10, the second connecting rod fixing shaft 14 is sleeved in a shaft hole at the top end of the second movable fork arm 12, and grooves in the shaft holes of the first movable fork arm 10 and the second movable fork arm 12 are respectively inserted into flat keys at two ends of the first rotating shaft 13.
As shown in fig. 3, the second rotating shaft 27 follower includes a fifth movable yoke arm 21, a third connecting rod fixing shaft 20, an eighth movable yoke arm 28 and a fourth connecting rod fixing shaft 26, the third connecting rod fixing shaft 20 is sleeved in a shaft hole at the top end of the fifth movable yoke arm 21, the fourth connecting rod fixing shaft 26 is sleeved in a shaft hole at the top end of the eighth movable yoke arm 28, and the grooves in the shaft holes of the fifth movable yoke arm 21 and the eighth movable yoke arm 28 are respectively inserted into flat keys at two ends of the first rotating shaft 13. When the handle on any one side is lifted or pressed down to drive the rotating shafts on two sides to rotate, the follow-up mechanisms at two ends of the rotating shafts on two sides rotate along with the rotating shafts, the four shifting fork arms are connected with the rotating shafts through the flat keys so as not to idle, the follow-up mechanisms on the same side are connected through the connecting rods to move in a linkage mode so as to enable the movable blocks to move all the time, the movable blocks in the clamping process keep the same height and force, and the phenomenon of uneven stress cannot occur.
As shown in fig. 1, 2, 4 and 5, the first link 7 and the second link 8 are respectively connected at two ends thereof to the first link fixing shaft 9, the third link fixing shaft 20, the second link fixing shaft 14 and the fourth link fixing shaft 26. Wherein, the two ends of the connecting rod are fixed on the fixing shafts of the connecting rods through nuts.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (4)
1. High pressure fuel pipe connects press in device, including the base, its characterized in that: fixed first bearing frame (15) of platform both sides, second bearing frame (18), third bearing frame (22) and fourth bearing frame (25) on base (29), first rotation axis (13) is connected in first bearing frame (15) and second bearing frame (18), second rotation axis (27) is connected in third bearing frame (22) and fourth bearing frame (25), swing mechanism is connected in first rotation axis (13) and second rotation axis (27) middle section, and fixed follower mechanism respectively in both ends, the follower mechanism of first rotation axis (13) and second rotation axis (27) homonymy is connected through first connecting rod (7) and second connecting rod (8), the swing mechanism in first rotation axis (13) middle section includes: first fixed axle (11), third activity shifting yoke arm (16) and fourth activity shifting yoke arm (17) are connected in the axle sleeve outside, the axle sleeve inboard sets up the recess and registrates in first rotation axis (13) parallel key, third activity shifting yoke arm (16) and fourth activity shifting yoke arm (17) top use first fixed axle (11) to connect, the swing mechanism in second rotation axis (27) middle section includes: a second fixed shaft (19), a sixth movable shifting fork arm (23) and a seventh movable shifting fork arm (24), wherein the sixth movable shifting fork arm (23) and the seventh movable shifting fork arm (24) are connected to the outer side of the shaft sleeve, the inner side of the shaft sleeve is provided with a groove and sleeved on a second rotating shaft (27) flat key, the top ends of the sixth movable shifting fork arm (23) and the seventh movable shifting fork arm (24) are connected by the second fixed shaft (19), the first fixed shaft (11) is connected with a first fixed shaft hole (2) on the first movable block (3), a shaft sleeve hole of the first movable block (3) is sleeved on the shaft sleeve between the third movable shifting fork arm (16) and the fourth movable shifting fork arm (17), the second fixed shaft (19) is connected with a second fixed shaft hole (5) on the second movable block (6), and a shaft sleeve hole of the second movable block (6) is sleeved on the shaft sleeve between the sixth movable shifting fork arm (23) and the seventh movable shifting fork arm (24), the first handle (1) is fixed on the upper plane of the first movable block (3), the lower plane is arc-shaped and the surface is provided with a convex edge, the second handle (4) is fixed on the upper plane of the second movable block (6), and the lower plane is arc-shaped and the surface is provided with a convex edge.
2. The high pressure tubing joint press-in device according to claim 1, wherein: the first rotating shaft (13) follow-up mechanism comprises a first movable shifting fork arm (10), a first connecting rod fixing shaft (9), a second movable shifting fork arm (12) and a second connecting rod fixing shaft (14), the first connecting rod fixing shaft (9) is sleeved in a shaft hole at the top end of the first movable shifting fork arm (10), the second connecting rod fixing shaft (14) is sleeved in a shaft hole at the top end of the second movable shifting fork arm (12), and grooves in the shaft holes of the first movable shifting fork arm (10) and the second movable shifting fork arm (12) are respectively inserted into flat keys at two ends of the first rotating shaft (13).
3. The high pressure tubing joint press-in device according to claim 1, wherein: the second rotating shaft (27) follow-up mechanism comprises a fifth movable shifting fork arm (21), a third connecting rod fixing shaft (20), an eighth movable shifting fork arm (28) and a fourth connecting rod fixing shaft (26), the third connecting rod fixing shaft (20) is sleeved in a shaft hole at the top end of the fifth movable shifting fork arm (21), the fourth connecting rod fixing shaft (26) is sleeved in a shaft hole at the top end of the eighth movable shifting fork arm (28), and grooves in the shaft holes of the fifth movable shifting fork arm (21) and the eighth movable shifting fork arm (28) are respectively inserted into flat keys at two ends of the first rotating shaft (13).
4. The high pressure tubing joint press-in device according to claim 1, wherein: two ends of the first connecting rod (7) and the second connecting rod (8) are respectively connected with a first connecting rod fixing shaft (9), a third connecting rod fixing shaft (20), a second connecting rod fixing shaft (14) and a fourth connecting rod fixing shaft (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851204.1A CN112026194B (en) | 2020-08-21 | 2020-08-21 | High-pressure oil pipe joint press-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851204.1A CN112026194B (en) | 2020-08-21 | 2020-08-21 | High-pressure oil pipe joint press-in device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112026194A CN112026194A (en) | 2020-12-04 |
| CN112026194B true CN112026194B (en) | 2021-06-15 |
Family
ID=73581759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010851204.1A Active CN112026194B (en) | 2020-08-21 | 2020-08-21 | High-pressure oil pipe joint press-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112026194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566022B (en) * | 2021-08-18 | 2023-11-10 | 山东卫建工程建设有限公司 | Auxiliary device for installing chemical pipeline |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1261753B (en) * | 1993-01-29 | 1996-06-03 | Cml Costr Mecc Liri Srl | JOINT BETWEEN THE CONTROL AND DRIVE BODY AND THE WORKING HEAD OF A PORTABLE HOSE BENDING MACHINE. |
| CN201081069Y (en) * | 2007-09-17 | 2008-07-02 | 河北建设集团有限公司 | Diesel oil pipe joint socketing device |
| CN102268969B (en) * | 2011-07-05 | 2013-09-04 | 江苏省无锡探矿机械总厂有限公司 | Self-weight type drill rod clamp holder |
| CN202185884U (en) * | 2011-07-12 | 2012-04-11 | 浙江波士特机械有限公司 | Hose connector assembly table |
| CN203129990U (en) * | 2013-03-11 | 2013-08-14 | 北京天和众邦勘探技术股份有限公司 | Orifice clamp of drilling machine |
| CN104110226A (en) * | 2013-04-17 | 2014-10-22 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock-core drill holder |
| CN103692404A (en) * | 2013-12-31 | 2014-04-02 | 天津鹏翎胶管股份有限公司 | Nylon tube and quick connector plugging tool |
| CN104948123B (en) * | 2015-07-15 | 2017-07-25 | 吉林大学 | A kind of manually handle can apply the switching regulator rope coring drill pipe clamper of pretightning force |
| CN105003212B (en) * | 2015-09-02 | 2017-10-27 | 连云港黄海勘探技术有限公司 | Manual pivoted arm rope coring drill pipe clamper |
| CN109130215B (en) * | 2018-09-03 | 2024-01-16 | 中国人民解放军63691部队 | Push-connection machine for plastic composite pipe joint |
-
2020
- 2020-08-21 CN CN202010851204.1A patent/CN112026194B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112026194A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112026194B (en) | High-pressure oil pipe joint press-in device | |
| CN102155390B (en) | Flexible transmission mechanism for deep well screw pump | |
| CN210331796U (en) | Filter press filter plate handle capable of being quickly disassembled and assembled | |
| CN117128337A (en) | Ball valve with adjustable sealing structure | |
| CN115183054B (en) | Natural gas pipeline laying device | |
| CN201295802Y (en) | Drilling rod joint screw thread cold rolling device | |
| CN206785962U (en) | A kind of cam connection element | |
| CN210632707U (en) | Reinforcing ring forming machine | |
| CN208495952U (en) | A kind of automatic biplate broaching jacking block device of bearing shell | |
| CN212455861U (en) | Quick joint for loading and unloading arm | |
| CN204961190U (en) | Curved surface raceway sloping cam plate axial plunger pump and motor | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN209444289U (en) | Flat plug-in drill rod joint attachment device in universal stress | |
| CN201747944U (en) | Large-size compound type vacuum main valve | |
| CN217801450U (en) | Mechanical seal assembly tool of diving equipment | |
| CN208996939U (en) | A kind of oil pump of locomotive transmission case | |
| CN206206638U (en) | A kind of oscillatory valve | |
| CN205439534U (en) | Metal belt material's intaglio printing's more plate change roller mechanism | |
| CN220227557U (en) | Toothed roller bearing seat | |
| CN219975131U (en) | Joint bearing coupling mechanism | |
| CN211779648U (en) | Double-tile block plugging device | |
| CN2435564Y (en) | Elliptical roller coupling | |
| CN110410450B (en) | Hydraulic cylinder for buffer engineering machinery | |
| CN204458790U (en) | The connecting rod of oil hydraulic motor | |
| CN202165622U (en) | Bidirectional self-pressurized butterfly valve |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |