CN110900160A - Puller device for quickly disassembling and assembling bearing - Google Patents
Puller device for quickly disassembling and assembling bearing Download PDFInfo
- Publication number
- CN110900160A CN110900160A CN201911312735.7A CN201911312735A CN110900160A CN 110900160 A CN110900160 A CN 110900160A CN 201911312735 A CN201911312735 A CN 201911312735A CN 110900160 A CN110900160 A CN 110900160A
- Authority
- CN
- China
- Prior art keywords
- rod
- inflator
- handle
- bearing
- loop bar
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a puller device for quickly disassembling and assembling a bearing, which comprises a base ring, wherein a hexagonal jack is arranged on the base ring, the hexagonal jack is T-shaped, a connecting nut is inserted into the hexagonal jack, the connecting nut is in threaded connection with a threaded outer sleeve rod, one end of the threaded outer sleeve rod is provided with a square column, a rotating handle baffle ring is welded at the intersection of the threaded outer sleeve rod and the square column, an inner groove is arranged inside the threaded outer sleeve rod and the square column, a piston head is arranged inside the inner groove of the threaded outer sleeve rod, the center of one side surface of the piston head is vertically connected with a piston rod, one end of the piston rod, far away from the piston head, penetrates through the inner groove and is connected with an alloy top head, a cross-shaped cushion ring welded on the threaded outer sleeve rod is clamped between the alloy top head and the threaded outer sleeve rod, the use is convenient, and the device is a novel and practical puller device for quick disassembly and assembly of the bearing.
Description
The technical field is as follows:
the invention belongs to the technical field of bearing assembly and disassembly, and particularly relates to a puller device for quickly assembling and disassembling a bearing.
Background art:
three-jaw pullers are frequently used tools in mechanical maintenance. The bearing puller is mainly used for axially disassembling a damaged bearing from a shaft and can be used as an internal or external puller, in the prior art, most of bearing pullers are manual and hydraulic pullers, the installation strength range of the bearing is large, part of the manual pullers cannot pull down the bearing, the hydraulic pullers are large in size and small in material, the resource is wasted, the hydraulic pullers are large in size and cannot be carried and taken out conveniently, and the existing bearing pullers do not have the type of hybrid power, so that the problem is solved by the puller device for quickly disassembling and assembling the bearing.
The invention content is as follows:
the invention aims to solve the problems and provide a puller device for quickly disassembling and assembling a bearing, which solves the existing defects.
In order to solve the above problems, the present invention provides a technical solution:
a puller device for quick disassembly and assembly of a bearing comprises a base ring, wherein a hexagonal jack is arranged on the base ring, the hexagonal jack is T-shaped, a connecting nut is inserted into the hexagonal jack, the connecting nut is in threaded connection with a threaded outer sleeve rod, a square column is arranged at one end of the threaded outer sleeve rod, a rotating handle baffle ring is welded at the intersection of the threaded outer sleeve rod and the square column, an inner groove is formed inside the threaded outer sleeve rod and the square column, a piston head is arranged in the inner groove of the threaded outer sleeve rod, a piston rod is vertically connected at the center of one side face of the piston head, one end of the piston rod, far away from the piston head, penetrates through the inner groove and is connected with an alloy top head, a cross-shaped cushion ring welded on the threaded outer sleeve rod is clamped between the alloy top head and the threaded outer sleeve rod, a threaded, the trachea connector is connected with the threaded connection sleeve through the threaded connection sleeve, the square column is inserted into the square groove connection sleeve, the two opposite ends of the outer side of the square groove connection sleeve are welded with the rotating handle sleeve rods, rotating handle inner grooves are formed in the rotating handle sleeve rods, and rotating handle inner rods are inserted into the rotating handle inner grooves.
As preferred, be equipped with the three base ring connecting hole that is the article font on the base ring outside, the base ring connecting hole is connected with the middle part steel arm through a connecting bolt, the one end that the base ring was kept away from to the middle part steel arm is connected with the single arm-drag through No. two connecting bolts, the single arm-drag is close to square groove adapter sleeve and serves and be equipped with the spring beam perforation, the spring beam is perforated the interpolation and is equipped with spring connecting rod, spring connecting rod fixes respectively on the both ends of three spring assembly, the one end that threaded connection cover was kept away from to the trachea connector is connected with the gas tube through the trachea adapter sleeve, the sealed fixing of one end that the trachea adapter sleeve was kept away from to the gas.
Preferably, the bottom end of the inflator is provided with a second check valve, a limiting ring is arranged inside the inflator, a piston sheet is arranged inside the inflator, the side, away from the second check valve, of the limiting ring, the center of one side, away from the limiting ring, of the piston sheet is vertically connected with an inflator pressure rod, and one end, away from the piston sheet, of the inflator pressure rod penetrates through the inflator and is welded on an inflator pressure handle.
Preferably, a hook foot is arranged at one end of the pull arm, which is far away from the through hole of the spring rod.
Preferably, the air inflation pipe is connected with an air release valve in a sealing manner.
Preferably, one end of the swing handle inner rod, which is far away from the sealing gasket, penetrates through the swing handle inner groove to be connected with a swing handle auxiliary handle.
Preferably, the inflator connecting sleeve is internally provided with a one-way valve.
Preferably, a sealing sleeve is arranged at the joint of the air cylinder pressure rod and the air cylinder.
The invention has the beneficial effects that:
the invention is convenient to disassemble and assemble due to the embedded connection mode between the base ring and the connecting nut for connecting the ejector rod and the embedded connection mode between the square column and the rotating handle, the ejector rod and the rotating handle are convenient to disassemble due to the design, a user can conveniently clean dust and maintain the parts of the invention, the abrasion among the parts is reduced, the service life of the invention is prolonged, one end of the pull arm is connected to the spring group, the design ensures that the hook legs of the invention can always keep a mutually close state under the tension action of the spring, the invention is convenient to be buckled on the bearing outer ring by the user and cannot be easily unhooked, when the distance between the bearing to be disassembled and the shaft end is small, and the installation strength is low, the user can utilize the rotating handle to rotate the ejector rod consisting of the thread outer sleeve rod and the piston rod to pull the bearing, when the distance between the bearing and the shaft end is large, the air cylinder comprises a cylinder body, a piston rod, a threaded outer sleeve rod, a check valve, a release valve, a screw rod sleeve rod, a screw rod inner rod, a screw rod outer sleeve rod, a screw rod inner rod, a release valve, a release valves, a release valve, a release.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a square column structure according to the present invention;
FIG. 3 is a schematic view of a piston rod according to the present invention;
FIG. 4 is a schematic structural view of a middle steel arm according to the present invention;
FIG. 5 is a schematic diagram of the spring assembly of the present invention;
fig. 6 is a schematic view of the hexagonal socket structure of the present invention.
In the figure: 1. a base ring; 2. a hexagonal jack; 3. a connecting nut; 4. a threaded outer loop bar; 5. a square column; 6. a handle stop ring; 7. an inner tank; 8. a piston head; 9. a piston rod; 10. an alloy plug; 11. a cross-shaped backing ring; 12. a threaded connecting sleeve; 13. a gas pipe connector; 14. a gasket; 15. a square groove connecting sleeve; 16. a handle sleeve rod is screwed; 17. an inner groove of the rotating handle; 18. turning an inner rod of the handle; 19. a handle-rotating auxiliary handle; 20. a base ring connection hole; 21. a first connecting bolt; 22. a middle steel arm; 23. a second connecting bolt; 24. pulling the arm; 25. hooking legs; 26. punching a spring rod; 27. a spring connecting rod; 28. a spring set; 29. a trachea connecting sleeve; 30. an inflation tube; 31. a deflation valve; 32. an air cylinder connecting sleeve; 33. a first check valve; 34. an inflator; 35. a limiting ring; 36. a second one-way valve; 37. a piston plate; 38. an air cylinder pressure lever; 39. sealing sleeves; 40. the inflator presses the handle.
The specific implementation mode is as follows:
as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: a puller device for quick disassembly and assembly of a bearing comprises a base ring 1, wherein a hexagonal jack 2 is arranged on the base ring 1, the hexagonal jack 2 is T-shaped, a connecting nut 3 is inserted into the hexagonal jack 2, the connecting nut 3 is in threaded connection with a threaded outer sleeve rod 4, one end of the threaded outer sleeve rod 4 is provided with a square column 5, a rotating handle baffle ring 6 is welded at the intersection of the threaded outer sleeve rod 4 and the square column 5, an inner groove 7 is arranged inside the threaded outer sleeve rod 4 and the square column 5, a piston head 8 is arranged in the inner groove 7 of the threaded outer sleeve rod 4, a piston rod 9 is vertically connected at the center of one side face of the piston head 8, one end of the piston rod 9, far away from the piston head 8, penetrates through the inner groove 7 to be connected with an alloy top head 10, a cross-shaped cushion ring 11 welded on the threaded outer sleeve rod, the welding has threaded connection sleeve 12 on the inside groove 7 in the square post 5, threaded connection sleeve 12 threaded connection has trachea connector 13, the centre gripping has sealed pad 14 between trachea connector 13 and the threaded connection sleeve 12, square post 5 is inserted and is established on square groove adapter sleeve 15, all weld on the relative both ends in square groove adapter sleeve 15 outside and have swing handle loop bar 16, swing handle loop bar 16 inside is equipped with swing handle inside groove 17, the interpolation of swing handle inside groove 17 is equipped with swing handle in pole 18.
Wherein, be equipped with three base ring connecting hole 20 that is the triangle on the base ring 1 outside, base ring connecting hole 20 is connected with middle part steel arm 22 through a connecting bolt 21, the one end that middle part steel arm 22 kept away from base ring 1 is connected with the single arm-drag 24 through No. two connecting bolts 23, single arm-drag 24 is close to square groove adapter sleeve 15 serves and is equipped with spring rod perforation 26, the interior interpolation of spring rod perforation 26 is equipped with spring link 27, spring link 27 is fixed respectively on the both ends of three spring group 28, the one end that threaded connection cover 12 was kept away from to trachea connector 13 is connected with gas tube 30 through trachea adapter sleeve 29, the one end seal that gas tube 30 kept away from trachea adapter sleeve 29 is fixed on inflator adapter sleeve 32, inflator adapter sleeve 32 is fixed on inflator 34.
The bottom end of the inflator 34 is provided with a second check valve 36, a limiting ring 35 is arranged inside the inflator 34, the limiting ring 35 is far away from a piston sheet 37 inside the inflator 34 on one side of the second check valve 36, the center of one side, far away from the limiting ring 35, of the piston sheet 37 is vertically connected with an inflator pressure rod 38, and one end, far away from the piston sheet 37, of the inflator pressure rod 38 penetrates through the inflator 34 and is welded on an inflator pressure handle 40.
Wherein, the end of the pull arm 24 far away from the spring rod through hole 26 is provided with a hook foot 25.
Wherein, the air inflation tube 30 is hermetically connected with an air release valve 31.
Wherein, one end of the swing handle inner rod 18 far away from the sealing gasket 14 is connected with a swing handle auxiliary handle 19 through the swing handle inner groove 17.
Wherein, the inflator connecting sleeve 32 is internally provided with a one-way valve 33.
Wherein, a sealing sleeve 39 is arranged at the joint of the air cylinder pressing rod 38 and the air cylinder 34.
Specifically, the method comprises the following steps: when the puller device for quickly disassembling and assembling a bearing is used, the embedded connection mode between a base ring 1 and a connecting nut for connecting an ejector rod, which is designed by the invention, and the embedded connection mode between a square column 5 and a rotary handle enable the puller device to be conveniently disassembled and assembled, the design enables the ejector rod and the rotary handle to be conveniently disassembled, a user can conveniently clean dust and maintain the parts of the puller device, the abrasion among the parts is reduced, the service life of the puller device is prolonged, one end of a pull arm 24 is connected to a spring group, the hook feet 25 can always keep a mutually close state under the tension action of a spring, the puller device is conveniently buckled on a bearing outer ring by the user, the unhooking cannot easily occur, when the distance between the bearing to be disassembled and the shaft end is small, and the installation strength is low, the user can utilize the rotary handle to screw the ejector rod consisting of an outer sleeve rod 4 and a piston rod 9 to pull the bearing, when the distance between the bearing and the shaft end is larger, a user can firstly use the air cylinder designed by the invention to push the piston rod 9 out of the threaded outer sleeve rod 4, the length of the ejector rod is prolonged, then the rotating handle is rotated to pull the bearing, in the process, the first check valve 33 is used for preventing gas from flowing back into the air cylinder, the second check valve 36 is used for preventing gas in the air cylinder from flowing back to the outside, the air release valve 31 is used for releasing the gas in the inner groove 7 after the disassembly is finished, so that the piston rod 9 returns to the original position, and the rotating handle designed by the invention consists of the rotating handle sleeve rod 16 and the rotating handle inner rod 18.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a draw horse device for bearing quick assembly disassembly which characterized in that: including base ring (1), be equipped with hexagonal jack (2) on base ring (1), hexagonal jack (2) are the T font, hexagonal jack (2) interpolation is equipped with coupling nut (3), coupling nut (3) threaded connection has screw thread loop bar (4), one of screw thread loop bar (4) is served and is equipped with square post (5), the welding of crossing department of screw thread loop bar (4) and square post (5) has swing handle fender ring (6), screw thread loop bar (4) and square post (5) inside are equipped with inside groove (7), be equipped with piston head (8) in inside groove (7) of screw thread loop bar (4), a side center department vertical connection of piston head (8) has piston rod (9), the one end that piston head (8) were kept away from in piston rod (9) passes inside groove (7) and is connected with alloy top (10), the clamp welding has outer loop bar (4) between alloy top (10) and the screw thread loop bar (4) Go up cross backing ring (11), the welding has threaded connection cover (12) on inside groove (7) in square post (5), threaded connection cover (12) threaded connection has trachea connector (13), the centre gripping has sealed pad (14) between trachea connector (13) and threaded connection cover (12), square post (5) are inserted and are established on square groove adapter sleeve (15), all weld on the relative both ends in square groove adapter sleeve (15) outside and revolve handle loop bar (16), it revolves handle inside groove (17) to revolve inside being equipped with of handle loop bar (16), it is equipped with in the handle of revolving pole (17) interpolation and revolves handle pole (18).
2. The puller device for the quick assembly disassembly of the bearing as claimed in claim 1, wherein: be equipped with three base ring connecting hole (20) that are the article font on the base ring (1) outside, base ring connecting hole (20) are connected with middle part steel arm (22) through a connecting bolt (21), the one end that base ring (1) was kept away from in middle part steel arm (22) is connected with single arm-drag (24) through No. two connecting bolts (23), one of single arm-drag (24) being close to square groove adapter sleeve (15) is served and is equipped with spring beam perforation (26), spring beam perforation (26) interpolation is equipped with spring connecting rod (27), spring connecting rod (27) are fixed respectively on the both ends of three spring unit (28), the one end that screw thread adapter sleeve (12) was kept away from in trachea connector (13) is connected with gas tube (30) through trachea adapter sleeve (29), the one end that trachea adapter sleeve (29) was kept away from in gas tube (30) is sealed to be fixed on inflator (32), the inflator connecting sleeve (32) is fixed on the inflator (34).
3. The puller device for the quick assembly and disassembly of the bearing according to claim 2, wherein: be equipped with No. two check valves (36) on the bottom of inflator pump (34), inside spacing ring (35) that is equipped with of inflator pump (34), inside piston piece (37) that is equipped with of inflator pump (34) that No. two check valves (36) one side were kept away from in spacing ring (35), one side center department that spacing ring (35) were kept away from in piston piece (37) is connected with inflator depression bar (38) perpendicularly, the one end that piston piece (37) were kept away from in inflator depression bar (38) is passed inflator pump (34) and is welded on inflator pressure handle (40).
4. The puller device for the quick assembly and disassembly of the bearing according to claim 2, wherein: and a hook foot (25) is arranged at one end of the pull arm (24) far away from the spring rod through hole (26).
5. The puller device for the quick assembly and disassembly of the bearing according to claim 2, wherein: the air charging pipe (30) is hermetically connected with an air discharging valve (31).
6. The puller device for the quick assembly disassembly of the bearing as claimed in claim 1, wherein: one end of the swing handle inner rod (18) far away from the sealing gasket (14) penetrates through the swing handle inner groove (17) to be connected with a swing handle auxiliary handle (19).
7. The puller device for the quick assembly and disassembly of the bearing according to claim 2, wherein: a one-way valve (33) is arranged in the inflator connecting sleeve (32).
8. The puller device for the quick assembly disassembly of the bearing as claimed in claim 3, wherein: a sealing sleeve (39) is arranged at the joint of the air cylinder pressure rod (38) and the air cylinder (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312735.7A CN110900160A (en) | 2019-12-18 | 2019-12-18 | Puller device for quickly disassembling and assembling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312735.7A CN110900160A (en) | 2019-12-18 | 2019-12-18 | Puller device for quickly disassembling and assembling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110900160A true CN110900160A (en) | 2020-03-24 |
Family
ID=69826426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312735.7A Withdrawn CN110900160A (en) | 2019-12-18 | 2019-12-18 | Puller device for quickly disassembling and assembling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110900160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605635A (en) * | 2020-12-22 | 2021-04-06 | 北京奥普科星技术有限公司 | Bearing press-in tool |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5233740A (en) * | 1992-06-18 | 1993-08-10 | Chen Jui Nien | Hydraulic puller |
| EP0575170B1 (en) * | 1992-06-17 | 1996-09-11 | Power Team Division Of Spx Corporation | Puller |
| CN201271797Y (en) * | 2008-08-29 | 2009-07-15 | 天津长芦汉沽盐场有限责任公司 | Hydraulic screw extractor |
| CN101863007A (en) * | 2009-04-20 | 2010-10-20 | 陈宥珍 | Portable oil-pressure wheel remover |
| CN201666241U (en) * | 2010-04-09 | 2010-12-08 | 张根宝 | Constant-pressure inflator |
| CN202180329U (en) * | 2011-07-01 | 2012-04-04 | 马兆林 | Combined hydraulic dismounting and mounting pressure tool |
| CN103465221A (en) * | 2013-08-27 | 2013-12-25 | 张家港优尼克五金工具有限公司 | Three-jaw puller |
| CN203649858U (en) * | 2013-12-25 | 2014-06-18 | 栾川龙宇钼业有限公司 | Large stroke shaft jacking device |
| CN206123546U (en) * | 2016-09-23 | 2017-04-26 | 河南中烟工业有限责任公司 | Electronic hydraulic pressure of integral type draws horse |
| CN207155682U (en) * | 2017-07-10 | 2018-03-30 | 新昌县羽林街道星捷轴承厂 | A kind of reinforcement type unbalanced-loading preventing manual hydraulic drawing horse |
| CN108262714A (en) * | 2018-04-02 | 2018-07-10 | 湖南汽车工程职业学院 | A kind of adjustable multijaw synchronizes thruster |
-
2019
- 2019-12-18 CN CN201911312735.7A patent/CN110900160A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0575170B1 (en) * | 1992-06-17 | 1996-09-11 | Power Team Division Of Spx Corporation | Puller |
| US5233740A (en) * | 1992-06-18 | 1993-08-10 | Chen Jui Nien | Hydraulic puller |
| CN201271797Y (en) * | 2008-08-29 | 2009-07-15 | 天津长芦汉沽盐场有限责任公司 | Hydraulic screw extractor |
| CN101863007A (en) * | 2009-04-20 | 2010-10-20 | 陈宥珍 | Portable oil-pressure wheel remover |
| CN201666241U (en) * | 2010-04-09 | 2010-12-08 | 张根宝 | Constant-pressure inflator |
| CN202180329U (en) * | 2011-07-01 | 2012-04-04 | 马兆林 | Combined hydraulic dismounting and mounting pressure tool |
| CN103465221A (en) * | 2013-08-27 | 2013-12-25 | 张家港优尼克五金工具有限公司 | Three-jaw puller |
| CN203649858U (en) * | 2013-12-25 | 2014-06-18 | 栾川龙宇钼业有限公司 | Large stroke shaft jacking device |
| CN206123546U (en) * | 2016-09-23 | 2017-04-26 | 河南中烟工业有限责任公司 | Electronic hydraulic pressure of integral type draws horse |
| CN207155682U (en) * | 2017-07-10 | 2018-03-30 | 新昌县羽林街道星捷轴承厂 | A kind of reinforcement type unbalanced-loading preventing manual hydraulic drawing horse |
| CN108262714A (en) * | 2018-04-02 | 2018-07-10 | 湖南汽车工程职业学院 | A kind of adjustable multijaw synchronizes thruster |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605635A (en) * | 2020-12-22 | 2021-04-06 | 北京奥普科星技术有限公司 | Bearing press-in tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201940960U (en) | Automatic clamping puller | |
| CN204354067U (en) | A kind of pin assembling/disassembling instrument | |
| CN110900160A (en) | Puller device for quickly disassembling and assembling bearing | |
| CN101700648B (en) | Pressing shaft type butterfly valve seat installation jig | |
| CN201180371Y (en) | Steel pipe fast chucking buckle | |
| CN201744835U (en) | Dismounting device for close fit workpieces | |
| CN201579719U (en) | Pressure-shaft butterfly valve seat installation clamp | |
| CN205021503U (en) | Impervious for detection handling equipment of test block | |
| CN111442945A (en) | Coal petrography sample coring fixing device | |
| CN202336846U (en) | Disassembling device for piston of sludge pump | |
| CN201173844Y (en) | Valve pneumatic pressure test machine | |
| CN219235166U (en) | Anti-slip wrench | |
| CN221171003U (en) | Hand wheel convenient to installation | |
| CN203650408U (en) | Tool for replacing automobile rubber sleeve | |
| CN216789594U (en) | Water stop device for pressured water pipe | |
| CN216643257U (en) | General purpose valve handle | |
| CN214054292U (en) | Bolt gum cover preassembling press-fitting machine | |
| CN219649754U (en) | Ratchet dual-purpose wrench | |
| CN204640114U (en) | Diesel engine inlet and outlet valve seat removal tool | |
| CN220842749U (en) | Tank torsion shaft disassembling clamp | |
| CN209737087U (en) | Fork truck linkage is with preceding cylinder body with drilling frock | |
| CN217372205U (en) | Puller tool capable of disassembling reverse osmosis pressure container end covers of various specifications | |
| CN212082899U (en) | Coal petrography sample coring fixing device | |
| CN214686304U (en) | Hydraulic dismounting device for large spare parts | |
| CN211466240U (en) | Thrust unit for dismounting main shaft bearing |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200324 |