CN208776244U - A kind of connection structure of electric capstan roller bearings - Google Patents
A kind of connection structure of electric capstan roller bearings Download PDFInfo
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- CN208776244U CN208776244U CN201821421053.0U CN201821421053U CN208776244U CN 208776244 U CN208776244 U CN 208776244U CN 201821421053 U CN201821421053 U CN 201821421053U CN 208776244 U CN208776244 U CN 208776244U
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Abstract
The utility model capstan winch technical field, disclose a kind of connection structure of electric capstan roller bearings, including U-shaped frame and transmission shaft, circular installing port is offered on the U-shaped frame, bearing block is installed in the installing port, bearing is equipped in bearing block, the transmission shaft is equipped with bearing shoulder, the end thread of the transmission shaft is connected with screw, limiting gasket is equipped between the screw and bearing, end of the limiting gasket far from screw and bearing inner race end face are inconsistent, and the limited step inconsistent with bearing outer ring end face is equipped in the bearing block.Bearing block is mounted on U-shaped frame, recycles U-shaped frame stress for one from U-shaped frame → bearing block → bearing → transmission shaft → speed reducer → U-shaped put up.It ensure that the even running of electric capstan.
Description
Technical field
The utility model relates to capstan winch technical field, in particular to a kind of connection knot of electric capstan roller bearings
Structure.
Background technique
Electric capstan is the machinery unmoored and cast anchor, and is equally also used as stranded cable.Electric capstan generally comprises the U of U-shaped
Type frame, clutch, the capstan wheel of I-shaped, control motor and speed reducer.Clutch includes disk body and mutual with disk body
The clutch block of cooperation.Capstan wheel is rotationally connected on U-shaped frame by bearing.
Such as Fig. 1, the end of capstan wheel is pierced by U-shaped frame 002 equipped with transmission shaft 001 and is connected with 003 inner ring of bearing, transmission shaft
001 is pierced by 003 inner ring of bearing and limits equipped with circlip 004 to bearing 003, and bearing 003 is externally provided with end cap 005.
But capstan wheel is during rotation, since capstan wheel stress is not in itself stationarity and take-up line payout process
Balance, capstan wheel are easy to happen shaking, and transmission shaft 001 and then vibrates.Transmission shaft 001 is easy to happen axial float, leads to circlip
004 hits with bearing 003, on the one hand, 004 thickness of circlip is smaller, and the structural strength of circlip 004 is lower, is easily damaged；Separately
On the one hand, circlip 004 is clamped on the outer wall of transmission shaft 001 by frictional force, and circlip 004 is easy after being impacted from transmission shaft
It falls off on 001.Therefore existing electric capstan structure is poor to the limit effect of bearing 003, and service life is lower.
Utility model content
The purpose of the utility model is to provide a kind of connection structures of electric capstan roller bearings, with waterproof
Property it is strong, run smoothly, long service life the advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of electric capstan rolling
The connection structure of dynamic bearing support, including U-shaped frame and transmission shaft offer circular installing port, the installation on the U-shaped frame
Bearing block is installed in mouthful, bearing is equipped in bearing block, the transmission shaft is equipped with bearing shoulder, and the end thread of the transmission shaft connects
It is connected to screw, limiting gasket, end and bearing inner race of the limiting gasket far from screw are equipped between the screw and bearing
End face is inconsistent, and the limited step inconsistent with bearing outer ring end face is equipped in the bearing block.
By using above-mentioned technical proposal, capstan winch is set on U-shaped frame, and transmission shaft is passed through from bearing inner race and and bearing inner race
It is connected.Bearing is installed in bearing block, and the outer ring of bearing and the limited step of bearing block contradict, outer ring of the limited step to bearing
It is limited.The inner ring of rotation screw, limiting gasket and bearing is inconsistent.When along transmission shaft axial float occurs for bearing, bearing
Outer ring and bearing block on limited step contradict, the inner ring of bearing and limiting gasket contradict, and bearing, which is limited, to be moved.
The thickness and volume of bearing block are larger, and overall structural strength is larger, is hardly damaged, and service life is longer；Limiting gasket compared to
Circlip is thicker, and volume is larger, and whole structural strength is higher, and crashworthiness is preferable, is hardly damaged or deforms, can be effectively long-term right
Bearing is limited, and service life is longer.Moreover, limiting gasket is fixed by screw in compression, limiting gasket is clamped in
Between bearing and screw, the stability of limiting gasket is preferable, when limiting gasket is by bearing knock, is not susceptible to play, thus
Guarantee limiting gasket to the support effect of bearing.Limiting gasket and limited step cooperate to the inner ring and outer ring of bearing simultaneously
It is limited, limit effect is preferable.Bearing internal external circle is fixed, and limits swinging for U-shaped frame using the characteristic of bearing,
Increase capstan winch integral rigidity, avoids on-of pin and clutch block from running dislocation, improve the stability and reliability of capstan winch operation.
The utility model is further arranged to: oil sealing room and bearing chamber is equipped in the bearing block, the limited step is set
Between oil sealing room and bearing chamber, the outer wall of the oil sealing room and the inner wall of installing port are contradicted, and the diameter of the bearing chamber is greater than
The diameter of oil sealing room, the bearing chamber and U-shaped frame contradict.
By using above-mentioned technical proposal, bearing chamber and U-shaped frame are contradicted, and are defined to bearing block, are prevented bearing block from altering
It is dynamic, influence the stability of capstan winch operation.
The utility model is further arranged to: the oil sealing indoor location has outside framework oil seal, the outside framework oil seal and limit
Step contradicts, and the end face of the limited step and bearing outer ring contradicts.
By using above-mentioned technical proposal, outside framework oil seal and oil sealing room are close to the gap progress between bearing block and transmission shaft
Envelope enhances leakproofness, prevents rainwater from corroding bearing.
The utility model is further arranged to: the U-shaped frame passes through bolt outside bearing block and is equipped with protective cover.
By using above-mentioned technical proposal, protective cover carries out package protection to bearing block, improves waterproofness.
The utility model is further arranged to: the bearing stretches out bearing block, the end face of the protective cover and bearing outer ring
It contradicts；The bearing inner race end face and bearing shoulder contradict.
By using above-mentioned technical proposal, protective cover and limited step cooperate, and limit from two sides bearing outer ring
The stability of capstan winch operation is improved to prevent bearing axial float in position.
The utility model is further arranged to: the bearing block inner wall offers circlip groove, is equipped with hole in the circlip groove
With retaining ring, the hole retaining ring and bearing outer ring end face are contradicted.
By using above-mentioned technical proposal, bearing is installed in bearing block, bearing outer ring and limited step contradict, installation
Hole retaining ring, hole, in circlip groove, limit bearing with retaining ring inlay card.The thickness of hole retaining ring is greater than the thickness of axis card
Degree, the structural strength of hole retaining ring are better than the intensity of axis card, and hole is able to bear biggish axial force with retaining ring, so that
The service life of hole retaining ring is enhanced.Moreover, the axial force generated when bearing play largely acts in limiting gasket,
Axial force suffered by the retaining ring of hole is smaller, and hole is hardly damaged deformation with retaining ring, and service life is longer.
The utility model is further arranged to: the limiting gasket includes pressure pad and two end rings, and the bearing is set
Between two bearings retaining ring, the pressure pad is set between screw and end ring, and the end ring far from pressure pad is supported with bearing shoulder
Touching；The end ring and bearing inner race end face contradict.
By using above-mentioned technical proposal, when bearing is installed, successively end ring, bearing, end ring and pressure pad are filled
In on transmission shaft, end ring and bearing shoulder are contradicted.Rotate screw, pressure pad compresses end ring, end ring to bearing into
Row limit.
The utility model is further arranged to: the drain tank one of annular is formed between the bearing block outer ring and installing port,
Drain tank two, the drain tank one and drain tank two are formed between bearing block inner ring and end ring towards bearing shoulder；The axis
It holds and is covered with protective cover outside seat.
By using above-mentioned technical proposal, water is effectively prevent to be externally entering bearing chamber, prevents erosion of the rainwater to bearing,
Extend bearing life.
In conclusion the utility model has the following beneficial effects:
1, U-shaped frame and transmission shaft are connected as one by bearing block and bearing, using the rigidity of transmission shaft, are kept away by U-shaped frame
The beat for having exempted from U-shaped frame ensure that the reliably working of clutch；
2, after bearing block and the installation of U-shaped frame and bearing washer cooperate, the drain tank of generation effectively can avoid rainwater from entering axis
Room is held, the erosion to bearing has ensured the even running of bearing, extended bearing life, improves the service life of capstan winch.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of existing capstan winch and U-shaped frame in background technique；
Fig. 2 is the structural schematic diagram of embodiment one；
Fig. 3 is the structural schematic diagram of embodiment two.
In figure: 001, transmission shaft；002, U-shaped frame；003, bearing；004, circlip；005, end cap；2, U-shaped frame；21, it installs
Mouthful；3, transmission shaft；31, bearing shoulder；32, screw；33, limiting gasket；331, pressure pad；332, end ring；4, bearing block；4a,
Oil sealing room；4b, bearing chamber；41, limited step；42, outside framework oil seal；43, circlip groove；44, hole retaining ring；45, drain tank one；
46, drain tank two；47, terminal pad；5, bearing；6, protective cover.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one:
A kind of connection structure of electric capstan roller bearings, such as Fig. 2, including U-shaped frame 2, transmission shaft 3,5 and of bearing
Bearing block 4.
Such as Fig. 2, the end thread of transmission shaft 3 is connected with screw 32.Limiting gasket 33 is equipped between screw 32 and bearing 5.
Turn screw 32, screw 32 compress limiting gasket 33, and limiting gasket 33 compresses 5 inner ring of bearing, so that bearing 5 is limited,
Improve limit effect.Limiting gasket 33 is thicker compared to circlip, and volume is larger, and whole structural strength is higher, crashworthiness compared with
It is good, it is hardly damaged or deforms, effectively bearing 5 can be limited for a long time, service life is longer.Moreover, limiting gasket 33 is logical
Cross what screw 32 was fixed, limiting gasket 33 is clamped between bearing 5 and screw 32, the stability of limiting gasket 33 compared with
It is good, when limiting gasket 33 is hit by bearing 5, it is not susceptible to play, to guarantee that limiting gasket 33 imitates the support of bearing 5
Fruit.
Such as Fig. 2, the interior bearing block 4 that is equipped with of installing port 21 is for assembling bearing 5.Bearing 5 is sheathed on transmission shaft 3, in bearing 5
The end of circle and bearing shoulder contradict.End face equipped with limited step 41 and 5 outer ring of bearing in bearing block 4 carries out conflict limit.Two
Person cooperates, while limiting to the inner ring and outer ring of bearing 5, improves limit effect.
Such as Fig. 2, bearing block 4 is set as " Qian " font, including bearing chamber 4b and oil sealing room 4a, bearing chamber 4b and oil sealing room 4a lead to
Limited step 41 is crossed to separate.Bearing 5 is installed in bearing chamber 4b and contradicts with limited step 41.
Such as Fig. 2, outside framework oil seal 42 is installed in the 4a of oil sealing room, outside framework oil seal 42 and limited step 41 contradict.Outside framework oil seal
42 couples of oil sealing room 4a are sealed, and prevent rainwater from entering bearing chamber 4b internal corrosion bearing 5 from oil sealing room 4a.
Such as Fig. 2, bearing block 4 is covered with protective cover 6 outside, and protective cover 6 is fixed by bolts on U-shaped frame 2.Protective cover 6 is right
Bearing block 4 is sealed protection, prevents rainwater from corroding bearing 5.
Such as Fig. 2, bearing 5 is stretched out out of bearing chamber 4b, and the end face of protective cover 6 and 5 outer ring of bearing contradicts, and is carried out to bearing 5
Limit.Protective cover 6 and limited step 41 carry out conflict limit, limiting gasket 33 and bearing to 5 outer ring of bearing from the two sides of bearing 5
Shoulder 31 carries out conflict limit to 5 inner ring of bearing from the two sides of bearing 5.Four cooperate, and limit to bearing 5, limit effect
Fruit is preferable, prevents 5 axial float of bearing, to guarantee the stability that capstan winch 1 is run.
Specific implementation process, the end of transmission shaft 3 successively mounting framework oil sealing 42, bearing block 4 and bearing 5, turn screw
32 compress limiting gasket 33, are fixed to bearing 5, finally install protective cover 6.
Embodiment two:
The difference of embodiment two and embodiment one is that the structure of bearing block 4 is different: such as Fig. 3,4 shape of bearing block is both ends
The tubular of opening, the outer wall of bearing block 4 and the inner wall of installing port 21 contradict.The outer wall of bearing block 4 is equipped with overhanging terminal pad
47, terminal pad 47 and U-shaped frame 2 contradict, and are fixedly connected between the two by bolt.
Such as Fig. 3, limited step 41 is set to the one end of bearing block 4 far from screw 32, and bearing block 4 is close to one end of screw 32
Inner wall offers the circlip groove 43 of annular, and hole retaining ring 44 is equipped in circlip groove 43, and the thickness of hole retaining ring 44 is greater than axis card
Thickness, the structural strength of hole retaining ring 44 is better than the intensity of axis card, to enhance the service life of this bearing block 4.
Such as Fig. 3, limiting gasket 33 includes pressure pad 331 and two end rings 332.Bearing 5 is located at two end rings 332
Between.When bearing 5 is installed, end ring 332, bearing 5, end ring 332 and pressure pad 331 be successively installed, end ring 332 with
Bearing shoulder 31 contradicts, and pressure pad 331 is fixed by turn screw 32.
Such as Fig. 3, U-shaped frame 2 is covered with protective cover 6 outside bearing block 4, and protective cover 6 is connected by bolt with U-shaped frame 2.Work as drive
When dynamic motor 8 breaks down or has a power failure, operator can screw off protective cover 6, control transmission shaft 3 by bearing 5 and rotate, guarantee just
It is often used.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of connection structure of electric capstan roller bearings, including U-shaped frame (2) and transmission shaft (3), the U-shaped frame
(2) it offers on circular installing port (21), is equipped with bearing block (4) in the installing port (21), axis is equipped in bearing block (4)
Hold (5), it is characterised in that: the transmission shaft (3) is equipped with bearing shoulder (31), and the end thread of the transmission shaft (3) is connected with spiral shell
It follows closely (32), is equipped with limiting gasket (33) between the screw (32) and bearing (5), the limiting gasket (33) is far from screw (32)
End and bearing (5) inner ring end face it is inconsistent, the limit inconsistent with bearing (5) cycle surface is equipped in the bearing block (4)
Position step (41).
2. a kind of connection structure of electric capstan roller bearings according to claim 1, it is characterised in that: described
Oil sealing room (4a) and bearing chamber (4b) are equipped in bearing block (4), the limited step (41) is set to oil sealing room (4a) and bearing chamber
Between (4b), the outer wall of the oil sealing room (4a) and the inner wall of installing port (21) are contradicted, and the diameter of the bearing chamber (4b) is greater than
The diameter of oil sealing room (4a), the bearing chamber (4b) and U-shaped frame (2) contradict.
3. a kind of connection structure of electric capstan roller bearings according to claim 2, it is characterised in that: described
It is equipped with outside framework oil seal (42) in oil sealing room (4a), the outside framework oil seal (42) and limited step (41) contradict, the limiting stand
The end face of rank (41) and bearing (5) outer ring contradicts.
4. a kind of connection structure of electric capstan roller bearings according to claim 2, it is characterised in that: described
U-shaped frame (2) is equipped with protective cover (6) by bolt outside in bearing block (4).
5. a kind of connection structure of electric capstan roller bearings according to claim 4, it is characterised in that: described
Bearing (5) stretches out bearing block (4), and the end face of the protective cover (6) and bearing (5) outer ring contradicts；Bearing (5) the inner ring end face
It is contradicted with bearing shoulder (31).
6. a kind of connection structure of electric capstan roller bearings according to claim 1, it is characterised in that: described
Bearing block (4) inner wall offers circlip groove (43), and hole retaining ring (44), the hole retaining ring are equipped in the circlip groove (43)
(44) it is contradicted with bearing (5) cycle surface.
7. a kind of connection structure of electric capstan roller bearings according to claim 6, it is characterised in that: described
Limiting gasket (33) includes pressure pad (331) and two end rings (332), the bearing (5) be set to two bearings retaining ring (332) it
Between, the pressure pad (331) is set between screw (32) and end ring (332), the end ring (332) far from pressure pad (331)
It is contradicted with bearing shoulder (31)；The end ring (332) and bearing (5) inner ring end face contradict.
8. a kind of connection structure of electric capstan roller bearings according to claim 7, it is characterised in that: described
The drain tank one (45) of annular, bearing block (4) inner ring and end ring are formed between bearing block (4) outer ring and installing port (21)
(332) drain tank two (46) are formed between, the drain tank one (45) and drain tank two (46) are towards bearing shoulder (31)；The axis
It holds and is covered with protective cover (6) outside seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421053.0U CN208776244U (en) | 2018-08-30 | 2018-08-30 | A kind of connection structure of electric capstan roller bearings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421053.0U CN208776244U (en) | 2018-08-30 | 2018-08-30 | A kind of connection structure of electric capstan roller bearings |
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| CN208776244U true CN208776244U (en) | 2019-04-23 |
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| CN201821421053.0U Active CN208776244U (en) | 2018-08-30 | 2018-08-30 | A kind of connection structure of electric capstan roller bearings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359340A (en) * | 2019-08-01 | 2019-10-22 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of output shaft support device and paver |
-
2018
- 2018-08-30 CN CN201821421053.0U patent/CN208776244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359340A (en) * | 2019-08-01 | 2019-10-22 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of output shaft support device and paver |
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