CN114576277A - Be applicable to deep groove ball bearing fit dress ball mechanism - Google Patents

Be applicable to deep groove ball bearing fit dress ball mechanism Download PDF

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Publication number
CN114576277A
CN114576277A CN202210203523.0A CN202210203523A CN114576277A CN 114576277 A CN114576277 A CN 114576277A CN 202210203523 A CN202210203523 A CN 202210203523A CN 114576277 A CN114576277 A CN 114576277A
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China
Prior art keywords
clamping
seat
bearing
base
deep groove
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Granted
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CN202210203523.0A
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Chinese (zh)
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CN114576277B (en
Inventor
都俊衡
郑红芳
都芳雷
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Shandong Langche Bearing Co ltd
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Shandong Langche Bearing Co ltd
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Priority to CN202210203523.0A priority Critical patent/CN114576277B/en
Publication of CN114576277A publication Critical patent/CN114576277A/en
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Publication of CN114576277B publication Critical patent/CN114576277B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings
    • F16C43/04Assembling rolling-contact bearings
    • F16C43/06Placing rolling bodies in cages or bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolling Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The invention provides a fitting ball-mounting mechanism suitable for a deep groove ball bearing, which relates to the technical field of bearing processing and comprises the following components: the clamping device comprises a base, a fixing part, a clamping part and an auxiliary part; the base is of a rectangular plate-shaped structure, and two supporting seats are symmetrically welded on the bottom end face of the base. The tail end of the piston bottle is fixedly connected with the clamping block on the left side, and the head end of the piston bottle is fixedly connected with the clamping block on the right side; the piston bottle is connected with the connecting pipe, the connecting pipe is connected with the spray pipe, and the spray pipe is aligned with the groove, so that when the two clamping blocks move inwards to realize clamping, the spray pipe is in a gas spraying shape, gas enters the bearing outer ring through the groove, and finally, the gas flow cleaning of the bearing outer ring is realized; secondly, a plurality of assembly structures are always in a power-on state, so that the problem of high power consumption is solved.

Description

Be applicable to deep groove ball bearing fit dress ball mechanism
Technical Field
The invention relates to the technical field of bearing machining, in particular to a fitting ball assembling mechanism suitable for a deep groove ball bearing.
Background
A deep-groove ball bearing is a rolling bearing which is widely applied, and is characterized by small friction resistance and high rotating speed, can be used on parts bearing radial load or combined load acted simultaneously in the radial direction and the axial direction, and can also be used on parts bearing axial load, such as small-power motors, automobile and tractor gearboxes, machine tool gearboxes, general machines, tools and the like, and a special mounting device is required to be used when the deep-groove bearing is assembled.
However, for the conventional deep groove ball bearing sleeve ball assembling mechanism, firstly, the existing device needs to clamp the bearing outer ring during assembling, then needs to push the bearing outer ring to the mounting position, and finally completes final mounting through subsequent processes, so that the operation is complicated; secondly, a plurality of assembly structures of the existing device are always in a power-on state, which is relatively power-consuming.
Disclosure of Invention
In view of the above, the invention provides a fitting ball-mounting mechanism for a deep groove ball bearing, which has a clamping portion, and through the arrangement of the clamping portion, the clamping of a bearing outer ring can be automatically realized in the process of pushing the bearing outer ring to a mounting position;
still have contact switch, through the cooperation setting of framed seat and contact switch, when with bearing outer loop propelling movement to mounted position, can realize going the power switch-on of processing module after the synchronization.
The invention provides a fitting ball mounting mechanism suitable for a deep groove ball bearing, which specifically comprises: the clamping device comprises a base, a fixing part, a clamping part and an auxiliary part; the base is of a rectangular plate-shaped structure, and two supporting seats are symmetrically welded on the bottom end face of the base; the top end surface of the base is provided with grooves in a linear array shape, the grooves are of a semi-cylindrical groove-shaped structure, and the grooves in the linear array shape form an anti-rolling structure of the bearing outer ring; the fixing parts consist of four fixing seats and four fixing bolts; two fixed seats are connected in each supporting seat in a sliding manner, and the four fixed seats are of T-shaped plate structures; the clamping part consists of a sliding seat, a sliding rod, a frame seat, an adjusting rod, a clamping arm, a clamping block, a clamping groove, a roller and an electric telescopic rod, and the sliding seat is fixedly connected to the base; the auxiliary part consists of a piston bottle, a connecting pipe and a spray pipe.
Optionally, each fixing seat is inserted with one fixing bolt, and the four fixing bolts are in threaded connection with the workbench; the bottom end face of the fixing seat is higher than that of the base, and the fixing seat is in an elastic bending shape after the fixing bolt is screwed down.
Optionally, the sliding seat is symmetrically and slidably connected with two sliding rods, the tail ends of the two sliding rods are both in a stepped structure, and the head ends of the two sliding rods are both fixedly connected with the frame seat;
the frame seat is rotatably connected with an adjusting rod, the head end and the tail end of the adjusting rod are in threaded connection with a clamping arm, and the head end and the tail end of the adjusting rod are opposite in thread direction.
Optionally, each of the clamping arms is fixedly connected with a clamping block, and the two clamping blocks are of right-angled trapezoid block structures.
Optionally, each clamping block is provided with a clamping groove, and the two clamping grooves are both V-shaped groove structures.
Optionally, when the right side of the outer wall of the bearing outer ring is in contact with the adjusting rod, the front side and the rear side of the outer wall of the bearing outer ring are aligned with the clamping grooves.
Optionally, the head end of the electric telescopic rod is fixedly connected with the frame seat;
the head end and the tail end of the adjusting rod are both provided with a roller, and the two rollers are in surface contact with the bottom end of the base.
Optionally, the tail end of the piston bottle is fixedly connected with the clamping block on the left side, and the head end of the piston bottle is fixedly connected with the clamping block on the right side;
the piston bottle is connected with a connecting pipe, the connecting pipe is connected with a spray pipe, and the spray pipe is aligned with the groove.
Optionally, the top end face of the base is fixedly connected with a mounting seat through a bolt, the mounting seat is of a structure shaped like a Chinese character 'tu', and the clamping block and the bearing outer ring are in a clamping state when the frame seat is in contact with the mounting seat.
Optionally, a contact switch is mounted on the mounting seat, the contact switch is electrically connected with the bearing assembly module, and when the frame seat contacts the mounting seat, the adjusting rod contacts the contact switch, and at this time, the bearing assembly module is in an on state.
Advantageous effects
Through the arrangement of the mounting seat and the contact switch, firstly, the mounting seat is fixedly connected with the top end face of the base through the bolt, the mounting seat is of a convex structure, and when the frame seat is contacted with the mounting seat, the clamping block and the bearing outer ring are in a clamping state, so that the damage of the bearing outer ring caused by the overlarge clamping force of the clamping block is prevented;
secondly, because the installation seat is provided with the contact switch, the contact switch is electrically connected with the bearing assembly module, and when the frame seat is contacted with the installation seat, the adjusting rod is contacted with the contact switch, and the assembly module of the bearing is in a switch-on state, thereby saving the electricity cost.
Through the arrangement of the clamping part, firstly, the adjusting rod is rotatably connected to the frame seat, the head end and the tail end of the adjusting rod are both in threaded connection with one clamping arm, and the thread directions of the head end and the tail end of the adjusting rod are opposite, so that the two clamping arms can be quickly clamped when the adjusting rod rotates;
secondly, as the head end and the tail end of the adjusting rod are respectively provided with a roller, and the two rollers are respectively contacted with the bottom end surface of the base, the clamping of the bearing outer ring can be automatically realized when the electric telescopic rod extends to enable the push bearing outer ring to approach the assembling position;
thirdly, when the right side of the outer wall of the outer ring of the bearing is in contact with the adjusting rod, the front side and the rear side of the outer wall of the outer ring of the bearing are aligned with the clamping grooves, so that the convenience in clamping the outer ring of the bearing can be improved.
Through the arrangement of the auxiliary part, the tail end of the piston bottle is fixedly connected with the clamping block on the left side, and the head end of the piston bottle is fixedly connected with the clamping block on the right side; the piston bottle is connected with the connecting pipe, the connecting pipe is connected with the spray pipe, the spray pipe is aligned with the groove position, the spray pipe is in a gas spraying shape when the two clamping blocks move inwards to realize clamping, gas enters the bearing outer ring through the groove, and finally the gas flow of the bearing outer ring is cleaned.
Through the arrangement of the grooves, the grooves are formed in the top end surface of the base in a linear array mode, the grooves are of semi-cylindrical groove-shaped structures, and the grooves formed in the linear array mode jointly form an anti-rolling structure of the bearing outer ring, so that the probability that the bearing outer ring rolls and falls can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic axial view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A according to the present invention;
FIG. 4 is a schematic axial view of the present invention in another orientation than that shown in FIG. 1;
FIG. 5 is a schematic front view of the present invention;
FIG. 6 is an enlarged view of FIG. 5B of the present invention;
FIG. 7 is an axial view of the clamp and assist portions of the present invention;
fig. 8 is a schematic axial view of the invention in the other direction from fig. 7.
List of reference numerals
1. A base; 101. a supporting seat; 102. a groove; 103. a mounting base; 104. a contact switch; 2. a fixed part; 201. a fixed seat; 202. fixing the bolt; 3. a clamping portion; 301. a sliding seat; 302. a slide bar; 303. a frame seat; 304. an adjusting lever; 305. a clamp arm; 306. a clamping block; 307. a card slot; 308. a roller; 309. an electric telescopic rod; 4. an auxiliary part; 401. a piston bottle; 402. a connecting pipe; 403. and (4) a spray pipe.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 8:
the invention provides a fitting ball mounting mechanism suitable for a deep groove ball bearing, which comprises: a base 1, a fixing part 2, a clamping part 3 and an auxiliary part 4;
the base 1 is of a rectangular plate-shaped structure, and two supporting seats 101 are symmetrically welded on the bottom end face of the base 1;
the fixing part 2 consists of four fixing seats 201 and four fixing bolts 202;
the clamping part 3 consists of a sliding seat 301, a sliding rod 302, a frame seat 303, an adjusting rod 304, a clamping arm 305, a clamping block 306, a clamping groove 307, a roller 308 and an electric telescopic rod 309, and the sliding seat 301 is fixedly connected to the base 1;
the auxiliary part 4 is composed of a piston bottle 401, a connecting pipe 402 and a nozzle 403.
In addition, according to the embodiment of the present invention, as shown in fig. 1, the top surface of the base 1 is provided with the grooves 102 in a linear array, the grooves 102 are in a semi-cylindrical groove structure, and the grooves 102 in the linear array form an anti-rolling structure of the bearing outer ring, so that the probability that the bearing outer ring rolls and falls can be reduced.
In addition, according to the embodiment of the present invention, as shown in fig. 1, two fixing seats 201 are slidably connected in each supporting seat 101, and the four fixing seats 201 are all T-shaped plate structures, so that the fixing positions can be conveniently adjusted.
In addition, according to the embodiment of the present invention, as shown in fig. 1, each fixing base 201 is inserted with one fixing bolt 202, and the four fixing bolts 202 are connected with the workbench through threads; the bottom end face of the fixing base 201 is higher than that of the base 1, and after the fixing bolt 202 is screwed, the fixing base 201 is in an elastic bending shape, so that the fixing bolt 202 can be prevented from loosening through the elastic force of the fixing base 201.
In addition, according to the embodiment of the present invention, as shown in fig. 2, two sliding rods 302 are symmetrically and slidably connected to the sliding seat 301, and the tail ends of the two sliding rods 302 are both in a stepped structure, and the head ends of the two sliding rods 302 are both fixedly connected to the frame seat 303;
adjusting rod 304 is rotatably connected to frame base 303, and a clamping arm 305 is connected to both the head end and the tail end of adjusting rod 304 through threads, and the thread directions of the head end and the tail end of adjusting rod 304 are opposite, so that quick clamping of two clamping arms 305 can be realized when adjusting rod 304 rotates.
In addition, according to the embodiment of the present invention, as shown in fig. 2, each of the clamping arms 305 is fixedly connected with one clamping block 306, and the two clamping blocks 306 are of a right-angled trapezoid block structure, so that convenience in clamping the bearing outer ring can be improved.
In addition, according to the embodiment of the present invention, as shown in fig. 2, each clamping block 306 is provided with one clamping groove 307, and the two clamping grooves 307 are both V-shaped groove structures, so that the adaptability of the outer rings of bearings with different diameters during clamping can be improved.
In addition, according to the embodiment of the present invention, as shown in fig. 2, when the right side of the outer wall of the bearing outer ring is in contact with the adjusting rod 304, both the front side and the rear side of the outer wall of the bearing outer ring are aligned with the catching groove 307, so that convenience in clamping the bearing outer ring can be further improved.
In addition, according to the embodiment of the present invention, as shown in fig. 2, the head end of the electric telescopic rod 309 is fixedly connected to the frame base 303;
the head end and the tail end of the adjusting rod 304 are both provided with a roller 308, and the two rollers 308 are both in contact with the bottom end surface of the base 1, so that when the electric telescopic rod 309 extends to enable the outer ring of the push bearing to approach the assembly position, the clamping of the outer ring of the bearing can be automatically realized.
In addition, according to the embodiment of the present invention, as shown in fig. 7, the tail end of the piston bottle 401 is fixedly connected to the left clamping block 306, and the head end of the piston bottle 401 is fixedly connected to the right clamping block 306;
connecting pipe 402 is connected to piston bottle 401, and connecting pipe 402 is connected with spray pipe 403, and spray pipe 403 aligns with recess 102 position to spray gas form at spray pipe 403 department when two grip blocks 306 move inwards and realize the centre gripping, and then the gas passes through recess 102 and enters into bearing outer race department, has also realized the clean air current of bearing outer race finally.
In addition, according to the embodiment of the present invention, as shown in fig. 2 and fig. 3, a mounting seat 103 is fixedly connected to the top end surface of the base 1 through bolts, the mounting seat 103 is in a "convex" shape, and when the frame base 303 contacts the mounting seat 103, the clamping block 306 is in a clamping state with the bearing outer ring, so that damage to the bearing outer ring due to excessive clamping force of the clamping block 306 is prevented.
Furthermore, according to the embodiment of the present invention, as shown in fig. 5 and 6, the contact switch 104 is mounted on the mounting seat 103, the contact switch 104 is electrically connected to the bearing assembly module, and when the frame seat 303 contacts the mounting seat 103, the adjusting rod 304 contacts the contact switch 104, and the bearing assembly module is in the on state, thereby saving electricity consumption cost.
The specific use mode and function of the embodiment are as follows:
when in fixation, two fixing seats 201 are connected in each supporting seat 101 in a sliding manner, and the four fixing seats 201 are all in T-shaped plate structures, so that the fixed positions can be conveniently adjusted; each fixing seat 201 is inserted with one fixing bolt 202, and the four fixing bolts 202 are in threaded connection with the workbench; the bottom end surface of the fixing seat 201 is higher than that of the base 1, and after the fixing bolt 202 is screwed down, the fixing seat 201 is in an elastic bending shape, so that the looseness prevention of the fixing bolt 202 can be realized through the elastic force of the fixing seat 201;
during clamping, the bearing outer ring is placed between the two clamping blocks 306, the electric telescopic rod 309 is controlled at the moment, and when the frame base 303 is in contact with the mounting base 103, the clamping of the bearing outer ring can be completed, specifically as follows: firstly, the adjusting rod 304 is rotatably connected to the frame base 303, the head end and the tail end of the adjusting rod 304 are both in threaded connection with one clamping arm 305, and the thread directions of the head end and the tail end of the adjusting rod 304 are opposite, so that the two clamping arms 305 can be clamped quickly when the adjusting rod 304 rotates; secondly, as the head end and the tail end of the adjusting rod 304 are both provided with one roller 308, and the two rollers 308 are both in contact with the bottom end surface of the base 1, when the electric telescopic rod 309 extends to enable the outer ring of the push bearing to approach the assembly position, the clamping of the outer ring of the bearing can be automatically realized;
meanwhile, the tail end of the piston bottle 401 is fixedly connected with the clamping block 306 on the left side, and the head end of the piston bottle 401 is fixedly connected with the clamping block 306 on the right side; the piston bottle 401 is connected with a connecting pipe 402, the connecting pipe 402 is connected with a spray pipe 403, and the spray pipe 403 is aligned with the groove 102, so that when the two clamping blocks 306 move inwards to realize clamping, the spray pipe 403 is in a gas spraying shape, and then gas enters the outer ring of the bearing through the groove 102, and finally, the gas flow cleaning of the outer ring of the bearing is realized;
in the clamping process, as the top end face of the base 1 is fixedly connected with the mounting seat 103 through the bolt, the mounting seat 103 is in a convex structure, and the clamping block 306 and the bearing outer ring are in a clamping state when the frame seat 303 is in contact with the mounting seat 103, the damage of the bearing outer ring caused by the overlarge clamping force of the clamping block 306 is prevented; because the installation seat 103 is provided with the contact switch 104, the contact switch 104 is electrically connected with the bearing assembly module, and the adjusting rod 304 is contacted with the contact switch 104 when the frame seat 303 is contacted with the installation seat 103, the assembly module of the bearing is in a switch-on state, thereby saving the power consumption.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims (10)

1. The utility model provides a be applicable to deep groove ball bearing and close suit ball mechanism which characterized in that includes: a base (1), a fixing part (2), a clamping part (3) and an auxiliary part (4); the base (1) is of a rectangular plate-shaped structure, and two supporting seats (101) are symmetrically welded on the bottom end face of the base (1); the top end surface of the base (1) is provided with grooves (102) in a linear array shape, the grooves (102) are of a semi-cylindrical groove-shaped structure, and the grooves (102) in the linear array shape jointly form an anti-rolling structure of the bearing outer ring; the fixing parts (2) are composed of fixing seats (201) and fixing bolts (202), and the number of the fixing seats (201) is four; two fixed seats (201) are connected in each supporting seat (101) in a sliding manner, and the four fixed seats (201) are all of T-shaped plate structures; the clamping part (3) consists of a sliding seat (301), a sliding rod (302), a frame seat (303), an adjusting rod (304), a clamping arm (305), a clamping block (306), a clamping groove (307), a roller (308) and an electric telescopic rod (309), and the sliding seat (301) is fixedly connected to the base (1); the auxiliary part (4) consists of a piston bottle (401), a connecting pipe (402) and a spray pipe (403).
2. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: each fixing seat (201) is inserted with one fixing bolt (202), and the four fixing bolts (202) are in threaded connection with the workbench; the bottom end surface of the fixed seat (201) is higher than that of the base (1), and the fixed seat (201) is in an elastic bending shape after the fixed bolt (202) is screwed down.
3. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: the sliding seat (301) is symmetrically connected with two sliding rods (302) in a sliding manner, the tail ends of the two sliding rods (302) are in a stepped structure, and the head ends of the two sliding rods (302) are fixedly connected with the frame seat (303);
the frame seat (303) is rotatably connected with an adjusting rod (304), the head end and the tail end of the adjusting rod (304) are both in threaded connection with a clamping arm (305), and the thread directions of the head end and the tail end of the adjusting rod (304) are opposite.
4. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: each clamping arm (305) is fixedly connected with one clamping block (306), and the two clamping blocks (306) are of right-angle trapezoid block structures.
5. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: each clamping block (306) is provided with a clamping groove (307), and the two clamping grooves (307) are of V-shaped groove structures.
6. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: when the right side of the outer wall of the bearing outer ring is in contact with the adjusting rod (304), the front side and the rear side of the outer wall of the bearing outer ring are aligned with the clamping grooves (307).
7. The fitting ball assembling mechanism suitable for the deep groove ball bearing as claimed in claim 1, characterized in that: the head end of the electric telescopic rod (309) is fixedly connected with the frame seat (303);
the head end and the tail end of the adjusting rod (304) are both provided with a roller (308), and the two rollers (308) are both in surface contact with the bottom end of the base (1).
8. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: the tail end of the piston bottle (401) is fixedly connected with the clamping block (306) on the left side, and the head end of the piston bottle (401) is fixedly connected with the clamping block (306) on the right side;
a connecting pipe (402) is connected to the piston bottle (401), a spray pipe (403) is connected to the connecting pipe (402), and the spray pipe (403) is aligned with the groove (102).
9. The fitting ball-mounting mechanism suitable for the deep groove ball bearing as claimed in claim 1, wherein: the top end face of the base (1) is fixedly connected with an installation seat (103) through a bolt, the installation seat (103) is of a convex structure, and when the frame seat (303) is in contact with the installation seat (103), the clamping block (306) and the bearing outer ring are in a clamping state.
10. The fitting ball mechanism suitable for the deep groove ball bearing as claimed in claim 9, wherein: the mounting seat (103) is provided with a contact switch (104), the contact switch (104) is electrically connected with the bearing assembly module, the adjusting rod (304) is contacted with the contact switch (104) when the frame seat (303) is contacted with the mounting seat (103), and the assembly module of the bearing is in a connection state at the moment.
CN202210203523.0A 2022-03-03 2022-03-03 Ball assembling and sleeving mechanism suitable for deep groove ball bearing Active CN114576277B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210203523.0A CN114576277B (en) 2022-03-03 2022-03-03 Ball assembling and sleeving mechanism suitable for deep groove ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210203523.0A CN114576277B (en) 2022-03-03 2022-03-03 Ball assembling and sleeving mechanism suitable for deep groove ball bearing

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CN114576277B CN114576277B (en) 2023-12-15

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Denomination of invention: A ball mechanism suitable for deep groove ball bearings

Granted publication date: 20231215

Pledgee: Shandong Linqing Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong langche Bearing Co.,Ltd.

Registration number: Y2024980009102