CN202353396U - Pull-out device for bearing bush positioning pin of large-scale motor - Google Patents
Pull-out device for bearing bush positioning pin of large-scale motor Download PDFInfo
- Publication number
- CN202353396U CN202353396U CN2011204149144U CN201120414914U CN202353396U CN 202353396 U CN202353396 U CN 202353396U CN 2011204149144 U CN2011204149144 U CN 2011204149144U CN 201120414914 U CN201120414914 U CN 201120414914U CN 202353396 U CN202353396 U CN 202353396U
- Authority
- CN
- China
- Prior art keywords
- alignment pin
- sleeve
- pull
- joint
- open
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a pull-out device for a bearing bush positioning pin of a large-scale motor. The pull-out device adopts the structure that one side of a baseplate is opened, and a through hole communicated with the opening is formed in the center of the baseplate; the cross sections of the top ends of four studs are rectangular, and the four studs are vertically and movably arranged at four corners of the baseplate; four lateral plates are uniformly distributed on the outer side surface of a hydraulic cylinder; four threaded sleeves are respectively arranged on the outer side surfaces of the four lateral plates; the four studs are respectively screwed into the four threaded sleeves; the top end of a movable connector is hinged with a piston rod of the hydraulic cylinder, and a horizontal clamping groove is formed at the bottom end of the movable connector; fixing bolts are screwed on two sides of the horizontal clamping groove; an annular lug boss is arranged at the top end of the pull-out joint claw, positioned in the horizontal clamping groove of the movable connector, and fixed in the horizontal clamping groove through the fixing bolts on the two sides of the horizontal clamping groove; and a sleeve component for pulling out the positioning pin is arranged at the bottom end of the pull-out joint claw. The pull-out device facilitates pulling out the bearing bush positioning pin, effectively improves the repair efficiency of the motor bearing bush, and ensures successful maintenance of the motor bearing bush.
Description
Technical field
The utility model relates to a kind of large-size machine bearing shell alignment pin and opens pulling device.
Background technology
In all kinds of large-size machines of industries such as metallurgy, adopted the bearing shell structure mostly now; Such bearing shell structure generally is divided into watt and following watt, Shang watt and between following watt through the bolt connection, its location then is to realize through alignment pin; When motor bearing is overhauled and changes; At first must remove alignment pin, and then unload connecting bolt, thereby could overhaul and change bearing shell; Yet find that in actual upkeep operation this alignment pin is made up of two parts, the lower end column part is a positioning end; The upper end is that threaded column is used to dismantle alignment pin, when needs alignment pin is extracted to be the nut of only need screwing on; The nut of screwing makes its end face compress the bearing shell plane all the time, nut do not stop to screw down, through active force and reaction force; Thereby alignment pin separates from bearing shell watt body by the reaction force of the screw thread column part with the alignment pin lower end; But mostly alignment pin corrosion can occur in bearing shell watt body and the threaded column corrosion under the situation, or former when mounted before assembling tension causes and can't extract, and causes watt can not separate with following watt; Have a strong impact on the overhaul efficiency of motor bearing, and even cause the upkeep operation failure.
Summary of the invention
The utility model technical problem to be solved provides a kind of large-size machine bearing shell alignment pin and opens pulling device; Utilize this device can realize conveniently that opening of bearing shell alignment pin pull out; Effectively improve the overhaul efficiency of motor bearing, guaranteed carrying out smoothly of motor bearing upkeep operation.
For solving the problems of the technologies described above; The utility model large-size machine bearing shell alignment pin opens pulling device and comprises base plate, four double-screw bolts, four side plates, four swivel nuts, hydraulic cylinder, flexible connection heads and open and pull out the joint pawl; Said base plate one side opening and center are provided with the through hole of open communication; Said four double-screw bolt tip sections are that four jiaos of said base plates are located in rectangle and vertical activity; Said four blocks of side plates all are laid in said hydraulic cylinder lateral surface, and said four swivel nuts are located at the lateral surface of said four blocks of side plates respectively, and said four double-screw bolts are twisted respectively in said four swivel nuts; The piston rod of said flexible connection crown end and said hydraulic cylinder is hinged; A said flexible connection bottom has horizontal draw-in groove, and said horizontal draw-in groove both sides are screwed with set bolt, and said opening pulled out pawl top, joint and be provided with round boss; Saidly open that the round boss that pulls out the joint pawl is positioned at the said horizontal draw-in groove that flexibly connects head and the set bolt through horizontal draw-in groove both sides is fixed in horizontal draw-in groove, saidly open that to pull out pawl bottom, joint be to be used to open the sleeve part that pulls out alignment pin.
Further, above-mentioned opening pulled out pawl bottom, joint to be used to open the sleeve part that pulls out alignment pin is tapped sleeve.
Further; Above-mentioned opening pulled out pawl bottom, joint and is used to open L shaped pulling claw and four screws that the sleeve part that pulls out alignment pin comprises sleeve, two semicircles; Said sleeve is provided with cannelure along arc surface; The L shaped pulling claw of said two semicircles is arranged in opposite directions and is inserted in the cannelure of said sleeve, and the L shaped pulling claw of said two semicircles and said sleeve are fastening through said four screws that are distributed in said sleeve outer wall.
Because the utility model large-size machine bearing shell alignment pin opens pulling device and has adopted technique scheme; Be the through hole that base plate one side opening and center are provided with open communication, four double-screw bolt tip sections are that four jiaos of base plates are located in rectangle and vertical activity, and four blocks of side plates all are laid in the hydraulic cylinder lateral surface; Four swivel nuts are located at the lateral surface of four blocks of side plates respectively; Four double-screw bolts are twisted respectively in four swivel nuts, and the piston rod that flexibly connects crown end and hydraulic cylinder is hinged, flexibly connect a bottom and have horizontal draw-in groove; Horizontal draw-in groove both sides are screwed with set bolt; Open and pull out pawl top, joint and be provided with round boss, open that the round boss that pulls out the joint pawl is positioned at the horizontal draw-in groove that flexibly connects head and the set bolt through horizontal draw-in groove both sides is fixed in horizontal draw-in groove, opening and pulling out pawl bottom, joint is to be used to open the sleeve part that pulls out alignment pin.This device can realize conveniently that opening of bearing shell alignment pin pull out, and has effectively improved the overhaul efficiency of motor bearing, has guaranteed carrying out smoothly of motor bearing upkeep operation.
Description of drawings
Below in conjunction with accompanying drawing and execution mode the utility model is done further to specify:
Fig. 1 opens the structural representation of pulling device for the utility model large-size machine bearing shell alignment pin;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 flexibly connects the structural representation of head for this device;
Fig. 5 is a kind of structural representation that pulls out the joint pawl that opens in this device;
Fig. 6 is the another kind of structural representation that pulls out the joint pawl that opens in this device.
Embodiment
Extremely shown in Figure 6 like Fig. 1; The utility model large-size machine bearing shell alignment pin opens pulling device and comprises base plate 1, four double-screw bolts 2, four blocks of side plates 4, four swivel nuts 3, hydraulic cylinders 5, flexibly connects 6 and open and pull out joint pawl 7; Said base plate 1 one side openings 11 and center are provided with the through hole of open communication 11; 21 cross sections, said four double-screw bolts 2 tops are that 1 four jiaos of said base plates are located in rectangle and vertical activity; Said four blocks of side plates 4 all are laid in said hydraulic cylinder 5 lateral surfaces, and said four swivel nuts 3 are located at the lateral surface of said four blocks of side plates 4 respectively, and said four double-screw bolts 2 are twisted respectively in said four swivel nuts 3; The piston rod 51 of said flexible connection 6 top and said hydraulic cylinder 5 is hinged; Said flexible connection 6 bottom have horizontal draw-in groove 62, and said horizontal draw-in groove 63 both sides are screwed with set bolt 61, and said opening pulled out joint pawl 7 tops and be provided with round boss 71; Saidly open that the round boss 71 that pulls out joint pawl 7 is positioned at the horizontal draw-in groove 62 of said flexible connection 6 and the set bolt 61 through horizontal draw-in groove 62 both sides is fixed in horizontal draw-in groove 62, saidly open that to pull out joint pawl 7 bottoms be to be used to open the sleeve part that pulls out alignment pin 8.
As shown in Figure 5, further, above-mentioned opening pulled out joint pawl 7 bottoms to be used to open the sleeve part that pulls out alignment pin 8 is tapped sleeve 72.
As shown in Figure 6; Further; Above-mentioned opening pulled out joint pawl 7 bottoms and is used to open L shaped pulling claw 74 and four screws 75 that the sleeve part that pulls out alignment pin 8 comprises sleeve 73, two semicircles; Said sleeve 73 is provided with cannelure along arc surface, and the L shaped pulling claw 74 of said two semicircles is arranged in opposite directions and inserted in the cannelure of said sleeve 73, and the L shaped pulling claw 74 of said two semicircles is fastening through said four screws 75 that are distributed in said sleeve 73 outer walls with said sleeve 73.
Opening when pulling out the motor alignment pin; This device base plate 1 placed be used to support this device on the bearing shell; Opening 11 through base plate 1 one sides moves to base plate 1 center with alignment pin 8, and four double-screw bolts 2 that the square-section turn base plate through double-screw bolt 2 tops 21 is 1 four jiaos make on four swivel nuts 3 and move or move down, and four swivel nuts 3 drive hydraulic cylinders 5 through four blocks of side plates 4 and move; Stroke with adjustment hydraulic cylinder 5 piston rods 51; Look the corrosion situation of alignment pin 8 upper end screw threads,, then open and pull out joint pawl 7 and adopt tapped sleeve 72 to twist in alignment pin 8 upper end screw threads like basic non-corroding; The round boss 71 on tapped sleeve 72 tops moves in the horizontal draw-in groove 62 that flexibly connects 6 bottom also fixing through the bolt 61 of horizontal draw-in groove 62 both sides; Avoid round boss 71 to skid off horizontal draw-in groove 62 when pulling out alignment pin 8 opening, primer fluid cylinder pressure 5 makes on the piston rod 51 and moves then, and piston rod 51 is attend Mobile Communication and crossed and flexibly connect 6 and pull out joint pawl 7 with opening of tapped sleeve 72 alignment pin 8 is extracted in bearing shell; Serious like alignment pin 8 upper end screw thread corrosions; Then can weld a nut 81 in alignment pin 8 upper ends; The opening of L shaped pulling claw 74 that adopt sleeve 73 to be provided with two semicircles this moment pulled out joint pawl 7; The L shaped pulling claw 74 of two semicircles is symmetrically set in alignment pin 8 upper ends; Pulling claw 74 bottom surfaces are against nut 81 bottom surfaces of welding; Also fastening in the cannelure of the L shaped pulling claw 74 insertion sleeves 73 of right latter two semicircle through four screws 75; The round boss 71 on sleeve 73 tops move into flexibly connect in 6 the horizontal draw-in groove 62 and the bolt through horizontal draw-in groove 62 both sides 61 fixing this moment, the primer fluid cylinder pressure 5 to avoid skidding off horizontal draw-in groove 62, the piston rod 51 of hydraulic cylinder 5 can through flexibly connect 6, sleeve 73, the L shaped pulling claw 74 and the nut 81 that is welded in alignment pin 8 upper ends that are positioned at two semicircles of sleeve 73 cannelures extract alignment pin 8 from motor bearing.This device is according to alignment pin corrosion situation; Adopt to open accordingly and pull out the joint pawl and implement opening of alignment pin and pull out; According to the alignment pin of different size, change and open the size of pulling out joint pawl lower sleeve and pulling claw simultaneously, can adapt to opening of different size alignment pin and pull out; Effectively improve the overhaul efficiency of motor bearing, guaranteed carrying out smoothly of upkeep operation.
Claims (3)
1. a large-size machine bearing shell alignment pin opens pulling device; It is characterized in that: this device comprises base plate, four double-screw bolts, four side plates, four swivel nuts, hydraulic cylinder, flexible connection heads and opens and pull out the joint pawl; Said base plate one side opening and center are provided with the through hole of open communication; Said four double-screw bolt tip sections are that four jiaos of said base plates are located in rectangle and vertical activity; Said four blocks of side plates all are laid in said hydraulic cylinder lateral surface, and said four swivel nuts are located at the lateral surface of said four blocks of side plates respectively, and said four double-screw bolts are twisted respectively in said four swivel nuts; The piston rod of said flexible connection crown end and said hydraulic cylinder is hinged; A said flexible connection bottom has horizontal draw-in groove, and said horizontal draw-in groove both sides are screwed with set bolt, and said opening pulled out pawl top, joint and be provided with round boss; Saidly open that the round boss that pulls out the joint pawl is positioned at the said horizontal draw-in groove that flexibly connects head and the set bolt through horizontal draw-in groove both sides is fixed in horizontal draw-in groove, saidly open that to pull out pawl bottom, joint be to be used to open the sleeve part that pulls out alignment pin.
2. large-size machine bearing shell alignment pin according to claim 1 opens pulling device, it is characterized in that: said opening pulled out pawl bottom, joint to be used to open the sleeve part that pulls out alignment pin is tapped sleeve.
3. large-size machine bearing shell alignment pin according to claim 1 opens pulling device; It is characterized in that: said opening pulled out pawl bottom, joint and is used to open L shaped pulling claw and four screws that the sleeve part that pulls out alignment pin comprises sleeve, two semicircles; Said sleeve is provided with cannelure along arc surface; The L shaped pulling claw of said two semicircles is arranged in opposite directions and is inserted in the cannelure of said sleeve, and the L shaped pulling claw of said two semicircles and said sleeve are fastening through said four screws that are distributed in said sleeve outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204149144U CN202353396U (en) | 2011-10-27 | 2011-10-27 | Pull-out device for bearing bush positioning pin of large-scale motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204149144U CN202353396U (en) | 2011-10-27 | 2011-10-27 | Pull-out device for bearing bush positioning pin of large-scale motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353396U true CN202353396U (en) | 2012-07-25 |
Family
ID=46542359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204149144U Expired - Fee Related CN202353396U (en) | 2011-10-27 | 2011-10-27 | Pull-out device for bearing bush positioning pin of large-scale motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706360A (en) * | 2017-02-28 | 2017-05-24 | 王小球 | Solid tire detection sampler |
-
2011
- 2011-10-27 CN CN2011204149144U patent/CN202353396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706360A (en) * | 2017-02-28 | 2017-05-24 | 王小球 | Solid tire detection sampler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112696168B (en) | Integral horizontal oil production wellhead assembly | |
| CN202507043U (en) | Tool especially used for dismounting hub bearing of engineering machinery | |
| CN202607600U (en) | Bolt detaching equipment | |
| CN202353396U (en) | Pull-out device for bearing bush positioning pin of large-scale motor | |
| CN201880801U (en) | Locking device for connecting tapered wedge mechanism with driving air cylinder in stamping die | |
| CN201284735Y (en) | Fluid end apparatus of automotive reciprocating pump | |
| CN201064857Y (en) | Hydraulic pressure type pumping unit crank pins loading and unloading equipment | |
| CN202155721U (en) | Oil tank and oil tube flange drill hole compacting device | |
| CN202155858U (en) | Disassembling device for large-sized bearing | |
| CN201783914U (en) | Combined spring exerciser for air valve of air compressor | |
| CN202922532U (en) | Auxiliary device of packing extractor | |
| CN202079417U (en) | Pneumatic pull rod type clamp for machining center | |
| CN204209628U (en) | Copper bush of fuel injector extractor | |
| CN206623015U (en) | Plunger spring remover-and-replacer | |
| CN201371347Y (en) | Power assembling and disassembling pin device for crane | |
| CN201907102U (en) | Valve flashboard extracting device | |
| CN201385287Y (en) | Draw-type detacher | |
| CN202741563U (en) | Upper die clamp for power press with fixed bed | |
| CN201413233Y (en) | Hydraulic brake hydraulic test frame | |
| CN207984045U (en) | A kind of four-column hydraulic press | |
| CN200945600Y (en) | Appliance for dismounting hydraulic cylinder piston | |
| CN219925936U (en) | Pin bolt taking-out device for coupler | |
| CN216127174U (en) | Installation dismounting device of new forms of energy battery box steel bushing | |
| CN208801298U (en) | Bushing extracting tool | |
| CN103358113A (en) | Axle suspension bearing box disassembling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20131027 |