CN201799834U - Bearing press-mounting device for reducer shell - Google Patents
Bearing press-mounting device for reducer shell Download PDFInfo
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- CN201799834U CN201799834U CN2010205416932U CN201020541693U CN201799834U CN 201799834 U CN201799834 U CN 201799834U CN 2010205416932 U CN2010205416932 U CN 2010205416932U CN 201020541693 U CN201020541693 U CN 201020541693U CN 201799834 U CN201799834 U CN 201799834U
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Abstract
The utility model discloses a bearing press-mounting device for a reducer shell, which can improve concentricity and press-mounting efficiency. The press-mounting device includes a location mandrel installed on a frame base and provided with an objective table, and a pressing head on a top beam of the frame, the pressing head is provided with a pressing through hole and a group of lug bosses, diameter of the pressing head through hole is more than that of the location mandrel, a shaft axis of the pressing head is superposed with a shaft axis of the pressing head through hole and a shaft axis of the location mandrel, the objective table includes a loading surface for supporting a second bearing, a bearing block of the reducer shell and a first bearing, which are orderly sleeved on the location mandrel from bottom to top, the lug boss on the pressing head presses the first bearing and the second bearing down into the bearing block in a press-down travel, additionally, periphery of the frame is provided with an oil injection system, oil is accurately injected in bearing gaps after the first bearing and the second bearing are pressed in the bearing block, time for press-mounting and oil injection is short, so that production efficiency is high.
Description
Technical field
The utility model relates to a kind of bearing press mounting equipment that is used to scrape the reducer shell of hydroelectric machine.
Background technology
The reducer shell assembly of scraping on the hydroelectric machine is to scrape one of strength member on the hydroelectric machine.This motor is wanted operate as normal, must guarantee between stator, rotor, the reducer shell relative position accurately and two bearing no-floats in the bearing block of reducer shell and the bearing block, influence two bearings has with the factor that cooperates of bearing block: inject between the pressing method of bearing, two bearings grease how much, the position of injection grease and the uniformity coefficient of grease injection etc.
Existing press-loading process is:
Earlier second bearing holder (housing, cover) is connected on the following mandrel on the frame, the central authorities of following mandrel have down the mandrel through hole, bearing block with reducer shell presses down in second bearing embeds bearing block by pressure head again, the bottom that to go up mandrel then embeds in the following mandrel through hole of following mandrel, be embedded with clutch shaft bearing outside the top of last mandrel, to go up mandrel and clutch shaft bearing together is pressed in the bearing block by pressure head, will go up mandrel and following mandrel at last and together take out.
On above-mentioned press-loading process basis, above-mentioned press-loading process can be further divided into direct pressure closing and turgor pressure method according to the size of last mandrel and following mandrel.
Direct pressure closing, the diameter of the upper diameter of the last mandrel that adopts and time mandrel is all than the little 0.015mm of diameter of brearing bore, after two bearings are pressed in the bearing block, the reduced 0.005mm of the brearing bore of each bearing, the axiality of the brearing bore of two bearings is 0.006-0.01mm.Because the axiality of the brearing bore of two bearings is lower, cause that output shaft is relatively poor with cooperating of bearing, the motor friction is big, electric current greatly, the motor feels hot defective such as fast, make that the motor overall performance is relatively poor.
The turgor pressure method, the diameter of the upper diameter of the last mandrel that adopts and time mandrel is all than the big 0.01mm of brearing bore of bearing, after two bearings are pressed in the bearing block, brearing bore is risen greatly, the diameter of the brearing bore of each bearing big 0.003mm that risen, the axiality of the brearing bore of two bearings is 0.005-0.008mm.Because the diameter of the relevant mandrel that the turgor pressure method adopts is bigger than the diameter of brearing bore, relevant mandrel is difficult to separate with bearing by commonsense method after inserting brearing bore, therefore needing to adopt down, the rigid mandrel of will being correlated with of cylinder withdraws from, after relevant mandrel withdraws from, because brearing bore loses support, brearing bore shrinks under the bearing block effect, this just causes can producing the gap between the outer wall of bearing and the bearing block, the generation in gap can cause the relative bearing block play of bearing, after bearing uses a period of time, bearing in the bearing block also may withdraw from from bearing block, has a strong impact on the normal use of motor.In addition, owing to adopt two press of taking offence, cost height not only, and also operation is very inconvenient.
No matter be direct pressure closing or turgor pressure method, all must earlier a bearing be pressed into, again another bearing is pressed into, thus bearing to press-fit efficient lower, and the axiality of the brearing bore of two bearings is lower.
After two bearings are pressed into bearing block, need be in the bearing slit between two bearings grease, help like this reducing friction, reduce motor noise and prolong service life of motor.But present grease method is: earlier the grease brush is stretched in the brearing bore, again with in the bearing slit of grease brush between two bearings, owing to adopt manual operations, and the brearing bore space is narrow and small, make that grease is difficult to evenly be full of the bearing slit, this just causes bearing, and lubricant effect is relatively poor in use, and the service life of bearing is shorter, and there is depilation phenomenon in grease brush, can bring potential safety hazard to motor.
The utility model content
The technical problem that the utility model solves provides and a kind ofly improves axiality and can improve the bearing press mounting equipment that is used for reducer shell that press-fits efficient.
The technical scheme that its technical problem that solves the utility model adopts is: be used for the bearing press mounting equipment of reducer shell, comprise frame, described frame comprises gantry base and frame back timber,
Also comprise the positioning core axle that is provided with objective table that is installed on the gantry base, on the frame back timber of above-mentioned positioning core axle top pressure head is installed, described pressure head is provided with the pressure head through hole, the diameter of described pressure head through hole is greater than the diameter of positioning core axle, and the axial line of the axial line of above-mentioned pressure head, pressure head through hole and the axial line of positioning core axle overlap;
Described objective table comprises and is used to support second bearing that is socketed in successively from the bottom to top on the positioning core axle, the bearing block of reducer shell and the mounting surface of clutch shaft bearing.
Further be: upper edge, the lower surface pressure head of described pressure head circumferentially is provided with one group of boss that is used to press down clutch shaft bearing.
Further be: described frame back timber is provided with the upper limit post towards gantry base, the gantry base of described upper limit post below is provided with the lower limit post towards the upper limit post, and the distance between the end face of the bottom surface of above-mentioned upper limit post and lower limit post equates with the range of described pressure head.
Further be: described objective table is provided with the objective table through hole, above-mentioned objective table is slidingly matched by objective table through hole and positioning core axle, on the gantry base of above-mentioned objective table below brace table is installed, be fixed with one group of reset bullet vertical with brace table on the described brace table, the top and the objective table of described back-moving spring are connected.
Further be: described brace table and gantry base form the screw rod installation portion, be positioned at described back-moving spring below on the described screw rod installation portion and be provided with the shoulder hole that is used to install screw rod, being positioned at back-moving spring top on the described objective table is provided with and is used to install the screw flight hole, be provided with screw rod in above-mentioned each back-moving spring, the afterbody of described screw rod is threaded with screwed hole on being arranged on objective table, and the head of above-mentioned screw rod cooperates with described shoulder hole.
Further be: described positioning core axle inside is provided with grease passage, described frame outer setting has the grease injected system, described grease passage links to each other with described grease injected system by petroleum pipeline, above-mentioned positioning core axle upper edge positioning core axle circumferentially is provided with one group of oil filler point, and described oil filler point is connected with the grease passage of positioning core axle inside and clutch shaft bearing in being pressed into bearing block and the bearing slit between second bearing.
Further be: described grease injected system comprises source of the gas, threeway direct-acting electromagnetic valve, built-in Pressure gauge air composition element and the appendix that links to each other successively;
Also comprise cylinder, described cylinder comprises the chamber that is formed by cylinder lid and cylinder casing, described chamber forms upper chamber that links to each other with appendix and the lower chambers that is used to store grease by the piston that is provided with in the chamber, and described lower chambers links to each other by the inner grease passage that is provided with of petroleum pipeline and positioning core axle;
Described cylinder lid is provided with scale, the bottom of described scale is positioned at upper chamber and links to each other with piston, the top of said scale is positioned at cylinder cover body top and is provided with caging bolt, be socketed with back lash spring on the said scale, the top of described back lash spring cooperates with caging bolt, and the bottom of above-mentioned back lash spring is installed on the cylinder lid.
The beneficial effects of the utility model are:
When 1, using, pressure head can make the axiality of the clutch shaft bearing and second bearing be increased to 0.002-0.004mm in that once press down in the stroke can clutch shaft bearing orders about clutch shaft bearing and second bearing is pressed in the bearing block of reducer shell by pressing down.
2, because clutch shaft bearing and second bearing can be pressed in the bearing block of reducer shell together by the pressure head process that presses down, therefore can improve and press-fit efficient.
3,, therefore can guarantee in the accurate injection bearing of the grease slit owing to the bearing slit of oil filler point between the clutch shaft bearing and second bearing.
4, because positioning core axle circumferentially is provided with one group of oil filler point, therefore grease accurately and comparatively uniformly is injected in the bearing slit, can saves the use amount of grease, reduce cost.
5, because the grease injection process can be carried out immediately, and it is very short that front and back differ the time, therefore can significantly improve production efficiency after the bearing press mounting process is finished.
6, can control the grease injection rate by the grease injected system, can guarantee that bearing obtains the sufficient lubrication of grease.
7, meet the requirement that clean environment firendly production and lean are produced.
Description of drawings
Fig. 1 is for press-fiting the schematic diagram of second bearing in the existing press-loading process;
Fig. 2 is for press-fiting the schematic diagram of clutch shaft bearing in the existing press-loading process;
Fig. 3 is the schematic diagram that is used for the bearing press mounting equipment of reducer shell of the present utility model;
Fig. 4 is the enlarged drawing of a-quadrant among Fig. 3;
Fig. 5 is for being provided with the schematic diagram of the pressure head of boss in the utility model;
Fig. 6 is pressed into schematic diagram in the bearing block for clutch shaft bearing and second bearing by the boss on the pressure head;
Fig. 7 is oil filler point on the positioning core axle and the corresponding relation schematic diagram between the bearing slit;
Fig. 8 is the enlarged drawing in B zone among Fig. 7.
Be labeled as among the figure: 1-lower limit post, 2-upper chamber, 3-cylinder lid, 4-brace table, the 5-screw rod, 6-back-moving spring, 7-afterbody, 8-mounting surface, the 9-objective table, 10-lower surface, 11-boss, 12-pressure head, the 13-frame, 14-frame back timber, 15-upper limit post, the 16-gantry base, 17-head, 18-shoulder hole, the 19-petroleum pipeline, 20-scale, 21-caging bolt, the 22-back lash spring, 23-appendix, the built-in Pressure gauge air of 24-composition element, 25-threeway direct-acting electromagnetic valve, 26-piston, 27-lower chambers, the 28-cylinder casing, 29-cylinder, 30-grease injected system, the 31-positioning core axle, 33-bearing slit, 34-objective table through hole, the 35-grease passage, 36-reducer shell, 37-bearing block, 38-second bearing, mandrel under the 39-, 40-clutch shaft bearing, the last mandrel of 41-, 42-screwed hole, 43-pressure head through hole, 44-bearing slit, 45-back timber through hole, mandrel through hole under the 50-.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
By Fig. 1 and Fig. 2 as can be known, existing press-loading process is: earlier second bearing 38 is socketed on the following mandrel 39 on the frame, the central authorities of following mandrel 39 have down mandrel through hole 50, bearing block 37 with reducer shell 36 presses down in second bearing, 38 embedding bearing blocks 37 by pressure head 12 again, the bottom that to go up mandrel 41 then embeds in the following mandrel through hole 50 of following mandrel 39, be embedded with clutch shaft bearing 40 outside the top of last mandrel 41, to go up mandrel 41 and clutch shaft bearing 40 together is pressed in the bearing block 37 by pressure head 12, to go up mandrel 41 and following mandrel 39 at last and together take out, the pressure head 12 that uses in the above-mentioned press-loading process is flat pressure heads.
Extremely shown in Figure 8 as Fig. 3, the bearing press mounting equipment that is used for reducer shell of the present utility model, comprise frame 13, described frame 13 comprises gantry base 16 and frame back timber 14, also comprise the positioning core axle that is provided with objective table 9 31 that is installed on the gantry base 16, on the frame back timber 14 of above-mentioned positioning core axle 31 tops pressure head 12 is installed, described pressure head is provided with pressure head through hole 43, the diameter of described pressure head through hole 43 is greater than the diameter of positioning core axle 31, and the axial line of the axial line of above-mentioned pressure head 12, pressure head through hole and the axial line of positioning core axle 31 overlap; Described objective table 9 comprises and is used to support second bearing 38 that is socketed in successively from the bottom to top on the positioning core axle 31, the bearing block 37 of reducer shell 36 and the mounting surface 8 of clutch shaft bearing 40.During use, clutch shaft bearing 40 orders about clutch shaft bearing 40 to above-mentioned pressure head 12 and second bearing 38 is pressed in the bearing block 37 by pressing down in the stroke once pressing down.In the said structure, objective table 9 can be connected on the axle body of positioning core axle 31, also can be directly installed on the gantry base 16 or adopts other mounting means.Adopt said structure, after clutch shaft bearing 40 and second bearing 38 all are pressed in the bearing block 37, the top of positioning core axle 31 is positioned at the pressure head through hole 43 of pressure head 12, because the clutch shaft bearing 40 and second bearing 38 are all to be pressed in the bearing block 37 in the stroke once pressing down of pressure head 12, therefore, in clutch shaft bearing 40 and the process of second bearing 38 in being pressed into bearing block 37, even the axial line of clutch shaft bearing 40 can not overlap fully with the axial line of second bearing 38, also be to be offset towards the same side, and clutch shaft bearing 40 and second bearing 38 all be socketed on the same positioning core axle 37, and comprehensive above factor makes the axiality of the clutch shaft bearing 40 and second bearing 38 can be increased to 0.002-0.004mm.The above-mentioned clutch shaft bearing and second bearing are just just distinguished for convenience.
Further be that the lower surface 10 upper edge pressure heads 12 of described pressure head 12 circumferentially are provided with one group of boss 11 that is used to press down clutch shaft bearing 40.In the said structure, the quantity of one group of boss 11 can be 3,5, and 7,10 or other quantity.During use, can the clutch shaft bearing 40 and second bearing 38 be pressed in the bearing block 37 by one group of boss 11 on the pressure head 12, when clutch shaft bearing 40 and second bearing 38 are pressed in the bearing block 37, the top of described positioning core axle 31 is positioned at the pressure head through hole 43 on the pressure head 12, boss 11 on the described pressure head 12 is looped around positioning core axle 31 outsides, and above-mentioned boss 11 contacts with the end face of above-mentioned bearing block 37, continuing to press down and make 37 riveted joints of clutch shaft bearing 40 and bearing block by pressure head 12, promptly press down the end face of bearing block 37 and then on the end face of bearing block 37, form one group of groove by above-mentioned one group of boss 11, groove can be 0.2mm along the axial depth of reducer shell, 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm etc. are preferably 1-3mm, come the axial location of the bearing in the restrictive axes bearing 37 by groove, clutch shaft bearing 40 and second bearing 38 axial float in use in like this can restrictive axes bearing 37.Above-mentioned press-fit and the riveted joint process by once the pressing down stroke and can finish of pressure head, significantly improved and press-fited efficient.
As shown in Figure 3, for the whole security that press-fits process, avoid because the stroke that presses down of pressure head 12 is crossed ambassador's reducer shell 36 and is damaged, described frame back timber 14 is provided with the upper limit post 15 towards gantry base 16, the gantry base 16 of described upper limit post 15 belows is provided with the lower limit post 1 towards upper limit post 15, and the distance between the end face of the bottom surface of above-mentioned upper limit post 15 and lower limit post 1 equates with the range of described pressure head 12.The range of above-mentioned pressure head 12 promptly press-fits and the pressure head total kilometres of riveted joint process after finishing.During use, when the boss 11 on the described pressure head 12 made clutch shaft bearing 40 with bearing block 37 riveted joints by the end face that presses down bearing block 37, above-mentioned upper limit post 15 contacted with lower limit post 1, can limit further moving down of pressure head like this, has improved the security of using.In addition, in order further to increase security, on the frame back timber 14 of above-mentioned pressure head 12 tops back timber through hole 45 can be set, the diameter of back timber through hole 45 is identical with pressure head through hole 43 diameters, and the axial line of back timber through hole 45 overlaps with the axial line of pressure head through hole 43, after back timber through hole 45 was set, positioning core axle 31 can extend out to the top of frame back timber 14 successively by pressure head through hole 43 and back timber through hole 45, can guarantee that like this positioning core axle 31 can not collide frame back timber 14.
Take off from positioning core axle for the ease of press-fiting the reducer shell that finishes, as shown in Figure 3, described objective table 9 is provided with objective table through hole 34, above-mentioned objective table 9 is slidingly matched by objective table through hole 34 and positioning core axle 31, on the gantry base 16 of above-mentioned objective table 9 belows brace table 4 is installed, be fixed with one group of back-moving spring 6 vertical with brace table 4 on the described brace table 4, the top of described back-moving spring 6 and objective table 9 are connected.Pressure head presses down in the process, objective table moves to brace table, back-moving spring is in compressive state, when press-fiting after process finishes, move on the pressure head, objective table moves under the effect of back-moving spring, and then moves on the reducer shell on the drive objective table, and then is convenient to take off from positioning core axle press-fiting the reducer shell that finishes.
As shown in Figure 3, in order further to be convenient to take off from positioning core axle with press-fiting the reducer shell that finishes, described brace table 4 forms the screw rod installation portion with gantry base 16, be positioned at described back-moving spring 6 belows on the described screw rod installation portion and be provided with the shoulder hole 18 that is used to install screw rod, being positioned at back-moving spring 6 tops on the described objective table 9 is provided with and is used to install screw flight hole 42, be provided with screw rod 5 in above-mentioned each back-moving spring 6, the afterbody 7 of described screw rod 5 is threaded with screwed hole 42 on being arranged on objective table 9, and the head 17 of above-mentioned screw rod 5 cooperates with described shoulder hole 18.Adopt said structure, in press-fiting process, screw rod 5 moves down along shoulder hole 18, when press-fit finish after, move on the pressure head, under the effect of back-moving spring 6, move on the objective table 9, move on the objective table 9 to drive on the screw rod 5 and move, when moving to extreme position on the objective table 9, the head 17 of screw rod 5 is subjected to the spacing of shoulder hole, at this moment the head 17 of screw rod 5 cooperates with shoulder hole 18, and then move in 9 continuation of prevention objective table, promptly to the mobile position-limiting action that plays of objective table 9, guarantee that the reducer shell on the objective table 9 takes off smoothly.
For the ease of in the bearing slit, injecting grease, extremely shown in Figure 8 as Fig. 3, described positioning core axle 31 inside are provided with grease passage 35, described frame 13 outer setting have grease injected system 30, described grease passage 35 links to each other with described grease injected system 30 by petroleum pipeline 19, above-mentioned positioning core axle 31 upper edge positioning core axles 31 circumferentially are provided with one group of oil filler point 33, and described oil filler point 33 is connected with the grease passage 35 of positioning core axle 31 inside and clutch shaft bearing 40 in being pressed into bearing block 37 and the bearing slit 44 between second bearing 38.By the grease injected system, can inject grease to the grease passage of positioning core axle inside, by oil filler point, can be with in the grease injection bearing slit, like this can be accurately with in the grease injection bearing slit.In the said structure, the quantity of one group of oil filler point 33 can be 3,5, and 7 or other quantity.
The embodiment of above-mentioned grease injected system has multiple, the big flow oil addition of pair column for example of the prior art system, the quantitative charging machine of lubricating oil or micro-grease quantitative filling system etc., but preferred implementation is: and described grease injected system 30 comprises source of the gas, threeway direct-acting electromagnetic valve 25, built-in Pressure gauge air composition element 24 and the appendix 23 that links to each other successively; Also comprise cylinder 29, described cylinder 29 comprises the chamber that is formed by cylinder lid 3 and cylinder casing 28, described chamber forms upper chamber 2 that links to each other with appendix 23 and the lower chambers 27 that is used to store grease by the piston 26 that is provided with in the chamber, and described lower chambers 27 links to each other with the positioning core axle 31 inner grease passages 35 that are provided with by petroleum pipeline 19; Described cylinder lid 3 is provided with scale 20, the bottom of described scale 20 is positioned at upper chamber 2 and links to each other with piston 26, the top of said scale 20 is positioned at cylinder cover body 3 tops and is provided with caging bolt 21, be socketed with back lash spring 22 on the said scale 20, the top of described back lash spring 22 cooperates with caging bolt 21, and the bottom of above-mentioned back lash spring 22 is installed on the cylinder lid 3.The top of above-mentioned back lash spring 22 cooperates with caging bolt 21, and the top that is meant back lash spring 22 contacts with caging bolt 21 and be spacing by caging bolt 21.Adopt said structure, can inject grease in the bearing slit on the one hand, on the other hand, threeway direct-acting electromagnetic valve 25 and built-in Pressure gauge air composition element 24 can accurately be controlled the grease injection rate, can inject an amount of grease in the bearing slit.Because grease injects too much, causes waste, improve production cost, grease injects very few, and then frictional force is big, and current of electric is big, the quick abrasion of corresponding upper bearing (metal) and lower bearing, the shortening electrical machinery life, therefore accurately control grease injection rate is most important to normal use of motor and electrical machinery life.In addition, in oiling fat process, along with piston constantly moves down, the greases in the lower chambers 27 reduce gradually, and the scale that connects on the piston also can constantly move down with piston, so just can remain situation from the grease of the outside directly observation of cylinder bottom chamber.In addition, after oiling fat process finishes, need the gas in the grease injected system be drawn into by threeway direct-acting electromagnetic valve 25, because of can promoting piston, gas remaining in the grease injected system continues to move down, the continuing of piston moves down and too much grease may be injected in the bearing slit on the one hand, on the other hand, after reducer shell is taken off from positioning core axle, too much grease can flow out from the oil filler point on the positioning core axle, pollute, even but bleed by threeway direct-acting electromagnetic valve 25, also possibly gas can't be drawn in short time, in order to impel the gas in the grease injected system to be drawn into faster, scale is provided with back lash spring, because in oiling fat process, scale constantly moves down and impels back lash spring constantly to be compressed, after oiling fat process finishes, continuous minimizing along with gas in the grease injected system, the back lash spring of compressive state stretches gradually, the stretching, extension of back lash spring can drive on the piston and move, move on the piston to help the gas in the upper chamber of cylinder is discharged, also help the gas in the grease injected system is drawn out of, and, move the grease that can avoid too much on the piston and be injected in the bearing slit or and flow out from oil filler point.
Claims (7)
1. the bearing press mounting equipment that is used for reducer shell comprises frame (13), and described frame (13) comprises gantry base (16) and frame back timber (14), it is characterized in that:
Also comprise the positioning core axle that is provided with objective table (9) (31) that is installed on the gantry base (16), on the frame back timber (14) of above-mentioned positioning core axle (31) top pressure head (12) is installed, described pressure head is provided with pressure head through hole (43), the diameter of described pressure head through hole (43) is greater than the diameter of positioning core axle (31), and the axial line of the axial line of above-mentioned pressure head (12), the axial line of pressure head through hole and positioning core axle (31) overlaps;
Described objective table (9) comprises that being used for support is socketed in second bearing (38) on the positioning core axle (31), the bearing block (37) of reducer shell (36) and the mounting surface (8) of clutch shaft bearing (40) from the bottom to top successively.
2. the bearing press mounting equipment that is used for reducer shell as claimed in claim 1 is characterized in that: lower surface (10) the upper edge pressure head (12) of described pressure head (12) circumferentially is provided with one group of boss (11) that is used to press down clutch shaft bearing (40).
3. the bearing press mounting equipment that is used for reducer shell as claimed in claim 2, it is characterized in that: described frame back timber (14) is provided with the upper limit post (15) towards gantry base (16), the gantry base (16) of described upper limit post (15) below is provided with the lower limit post (1) towards upper limit post (15), and the bottom surface of above-mentioned upper limit post (15) equates with the range of described pressure head (12) with distance between the end face of lower limit post (1).
4. the bearing press mounting equipment that is used for reducer shell as claimed in claim 1, it is characterized in that: described objective table (9) is provided with objective table through hole (34), above-mentioned objective table (9) is slidingly matched by objective table through hole (34) and positioning core axle (31), on the gantry base (16) of above-mentioned objective table (9) below brace table (4) is installed, be fixed with one group of back-moving spring (6) vertical with brace table (4) on the described brace table (4), the top of described back-moving spring (6) and objective table (9) are connected.
5. the bearing press mounting equipment that is used for reducer shell as claimed in claim 4, it is characterized in that: described brace table (4) forms the screw rod installation portion with gantry base (16), be positioned at described back-moving spring (6) below on the described screw rod installation portion and be provided with the shoulder hole (18) that is used to install screw rod, being positioned at back-moving spring (6) top on the described objective table (9) is provided with and is used to install screw flight hole (42), be provided with screw rod (5) in above-mentioned each back-moving spring (6), the afterbody (7) of described screw rod (5) is threaded with screwed hole (42) on being arranged on objective table (9), and the head (17) of above-mentioned screw rod (5) cooperates with described shoulder hole (18).
6. as any described bearing press mounting equipment that is used for reducer shell in the claim 1 to 5, it is characterized in that: described positioning core axle (31) inside is provided with grease passage (35), described frame (13) outer setting has grease injected system (30), described grease passage (35) links to each other with described grease injected system (30) by petroleum pipeline (19), above-mentioned positioning core axle (31) upper edge positioning core axle (31) circumferentially is provided with one group of oil filler point (33), and described oil filler point (33) is connected with the grease passage (35) of positioning core axle (31) inside and clutch shaft bearing (40) in being pressed into bearing block (37) and the bearing slit (44) between second bearing (38).
7. the bearing press mounting equipment that is used for reducer shell as claimed in claim 6 is characterized in that:
Described grease injected system (30) comprises source of the gas, threeway direct-acting electromagnetic valve (25), built-in Pressure gauge air composition element (24) and the appendix (23) that links to each other successively;
Also comprise cylinder (29), described cylinder (29) comprises the chamber that is formed by cylinder lid (3) and cylinder casing (28), described chamber forms upper chamber (2) that links to each other with appendix (23) and the lower chambers (27) that is used to store grease by the piston (26) that is provided with in the chamber, and described lower chambers (27) links to each other by the inner grease passage (35) that is provided with of petroleum pipeline (19) and positioning core axle (31);
Described cylinder lid (3) is provided with scale (20), the bottom of described scale (20) is positioned at upper chamber (2) and links to each other with piston (26), the top of said scale (20) is positioned at cylinder cover body (3) top and is provided with caging bolt (21), be socketed with back lash spring (22) on the said scale (20), the top of described back lash spring (22) cooperates with caging bolt (21), and the bottom of above-mentioned back lash spring (22) is installed on the cylinder lid (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205416932U CN201799834U (en) | 2010-09-26 | 2010-09-26 | Bearing press-mounting device for reducer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205416932U CN201799834U (en) | 2010-09-26 | 2010-09-26 | Bearing press-mounting device for reducer shell |
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| CN201799834U true CN201799834U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205416932U Expired - Fee Related CN201799834U (en) | 2010-09-26 | 2010-09-26 | Bearing press-mounting device for reducer shell |
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| CN105773518A (en) * | 2016-04-19 | 2016-07-20 | 江西江铃底盘股份有限公司 | Press-fitting system and method for main speed reducer shell and flange head |
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| CN107717395A (en) * | 2017-10-31 | 2018-02-23 | 苏州金牛精密机械有限公司 | A kind of bearing pressing machine structure and bearing method of press-fitting |
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