CN202488386U - Motor damping brake mechanism - Google Patents
Motor damping brake mechanism Download PDFInfo
- Publication number
- CN202488386U CN202488386U CN2012200956736U CN201220095673U CN202488386U CN 202488386 U CN202488386 U CN 202488386U CN 2012200956736 U CN2012200956736 U CN 2012200956736U CN 201220095673 U CN201220095673 U CN 201220095673U CN 202488386 U CN202488386 U CN 202488386U
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- CN
- China
- Prior art keywords
- motor
- brake mechanism
- screw
- oil sealing
- fixed block
- 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
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Abstract
The utility model discloses a motor damping brake mechanism which comprises a fixing block (1) and an oil seal (3), wherein the fixing block (1) is used for containing lubricating oil. A cylindrical hole (2) is arranged in the fixing block (1), and the oil seal (3) is assembled in the cylindrical hole (2). The motor damping brake mechanism is characterized in that a one-way bearing (4) is sleeved inside the oil seal (3), the oil seal (3) is in tight fit with the one-way bearing (4), a U-shaped sealing ring (5) is arranged on the inner side of the one-way bearing (4), and the U-shaped sealing ring (5) wraps the inner side and part of the peripheral surface of the one-way bearing (4). The motor damping brake mechanism can function in damping and braking a motor only in the descending process, friction in the ascending process is reduced, the loading capacity of a lifting device is improved, and the motor damping brake mechanism is simple in structure, convenient to maintain and low in cost.
Description
Technical field
The utility model relates to machine field, is a kind of motor damping brake mechanism specifically.
Background technology
The common connection reducer of the motor of prior art uses together, and the output shaft of decelerator drives other mechanism again, and decelerator inside is reducing gear, like worm-and-wheel gear.One end of the output shaft of motor is in order to connect decelerator to drive load, and the other end then dallies, and this end often is wrapped in the shell of motor, generally is referred to as tailing axle.
Yet in disable motor, motor can be rotated further owing to certain inertia; This inertia possibly drive decelerator works on a bit of time load, and a lot of this inertia of occasion are harmful to, as are installed in the motor in the lowering or hoisting gear; If untimely braking then can exceed stroke, especially in the process that descends, under object deadweight and action of inertia; Behind the disable motor, motor also can be rotated further for a moment, causes equipment fault.The braking of present motor generally adopts electromagnetism to stop; Electromagnetism stop motor close the back energising can nip the effect that machine shaft plays braking; Need energising and adopt electromagnetism to stop, and because the complicated general personnel that use of its structure are difficult to maintenance, cost is also higher relatively.In addition in motor-driven lowering or hoisting gear, in uphill process, disable motor or sudden power, on the goods carried too heavily overload because the action of gravity meeting descends and makes the motor counter-rotating.In the prior art, also someone's device of proposing to address the above problem is 200920198760.2 utility model patent " motor damping brake apparatus " like the disclosed number of patent application of State Intellectual Property Office; This device is installed on the tailing axle of motor; Comprise fixed block and rubber ring, described rubber ring is arranged in the fixed block, though this device can play the effect of braking brake; But in the lowering or hoisting gear uphill process; Also can produce damping, increase meaningless friction, reduce the loading capacity of lowering or hoisting gear motor.
The utility model content
The technical problem that the utility model will solve is, provide a kind of simple in structure, easy to maintenance, cost is low, can also prevent the motor counter-rotating to the effective motor damping brake mechanism of braking of motor.
The technical solution of the utility model is, a kind of motor damping brake mechanism of following structure is provided, and comprises the fixed block and the oil sealing that are used for splendid attire lubricating oil, is provided with a cylindrical hole in the described fixed block, and described oil sealing is assemblied in the cylindrical hole; Be inserted in a unilateral bearing in the described oil sealing, described oil sealing and unilateral bearing tight fit.
Adopt above structure, the utility model compared with prior art has the following advantages: the utility model can fixedly be loaded on fixed block on the motor tailing axle, and motor is as the power source of lowering or hoisting gear; The drive lowering or hoisting gear moves up and down; When lowering or hoisting gear moved downward, unilateral bearing did not rotate, and then the motor tailing axle drives bearing; Produce friction between unilateral bearing periphery wall and the oil sealing, and then motor is played the effect of damping and braking; When lowering or hoisting gear moved upward, unilateral bearing rotated, at this moment; Not friction between unilateral bearing periphery wall and the oil sealing, cod be along with motor shaft rotates, thereby can not produce motor and hinder; After motor cuts out, because the effect of lowering or hoisting gear gravity can be played braking action to motor; Because the downward damping action of this product can not make the motor counter-rotating because of gravity; The utility model only plays the damping brake effect to motor in the process that descends, reduced the friction in the uphill process, has improved the loading capacity of lowering or hoisting gear, and this product structure is simple, easy to maintenance simultaneously, cost is low.
As improvement, the inboard of described unilateral bearing is provided with the U RunddichtringO, and described U RunddichtringO encases the medial surface and the part outer peripheral face of unilateral bearing; Because between the interior lateral surface of bearing is gapped, the position of immediate shipment steel ball is gapped, therefore; Lubricating oil in the fixed block can be penetrated into lateral surface from medial surface; Thereby flow on the motor, thereby the influence use adopts this design to stop the infiltration of lubricating oil effectively.
As improvement, have screw hole on the described fixed block shell, described screw hole adopts the screw sealing; In it, inject lubricating oil through screw hole; Adopt screw that screw hole is sealed, the lubricating oil in the fixed block penetrates into oil sealing, has reduced the friction of oil sealing and unilateral bearing periphery wall; Reduce friction noise, prolonged the useful life of mechanism.
As improvement; Be provided with the degree of tightness adjustment structure between described oil sealing and the fixed block; Described degree of tightness adjustment structure comprises first screw and first spring; Described first spring housing is located on first screw, comes the pressure of regulating spring through adjustment screw, thereby regulates degree of tightness and frictional force between oil sealing and the unilateral bearing.
As improvement; Also be provided with the degree of tightness adjustment structure between described U RunddichtringO and the fixed block; Described degree of tightness adjustment structure comprises second screw and second spring; Described second spring housing is located on second screw, comes the pressure of regulating spring through adjustment screw, thereby regulates degree of tightness and frictional force between U RunddichtringO and the unilateral bearing.
Description of drawings
Fig. 1 is the structural representation of the utility model motor damping brake mechanism.
As shown in the figure 1, fixed block, 2, cylindrical hole, 3, oil sealing, 4, unilateral bearing, 5, the U RunddichtringO, 6, screw hole, 7, trip bolt, 8, first screw, 9, first spring, 10, second screw, 11, second spring.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
As shown in Figure 1, the motor damping brake mechanism of the utility model comprises the fixed block 1 and oil sealing 3 that are used for splendid attire lubricating oil, is provided with a cylindrical hole 2 in the described fixed block 1, and described oil sealing 3 is assemblied in the cylindrical hole 2; Be inserted in a unilateral bearing 4 in the described oil sealing 3, described oil sealing 3 and unilateral bearing 4 tight fits.
The inboard of described unilateral bearing 4 is provided with U RunddichtringO 5, and described U RunddichtringO 5 encases the medial surface and the part outer peripheral face of unilateral bearing 4; Seal jointly by U RunddichtringO and oil sealing on the unilateral bearing outer peripheral face.
Have screw hole 6 on described fixed block 1 shell, described screw hole 6 adopts trip bolt 7 sealings.
Oil sealing 3 can be equal to rubber ring, can adopt rubber ring to replace oil sealing, so the oil sealing that the utility model adopted not only comprises the standard component of oil sealing, also comprises the nonstandard oil sealing of processing with rubber ring.
Be provided with the degree of tightness adjustment structure between described oil sealing 3 and the fixed block 1; Described degree of tightness adjustment structure comprises first screw 8 and first spring 9; Described first spring 9 is sheathed on first screw 8; Come the pressure of regulating spring through adjustment screw, thereby regulate degree of tightness and frictional force between oil sealing and the unilateral bearing.
Also be provided with the degree of tightness adjustment structure between described U RunddichtringO 5 and the fixed block 1; Described degree of tightness adjustment structure comprises second screw 10 and second spring 11; Described second spring 11 is sheathed on second screw 10; Come the pressure of regulating spring through adjustment screw, thereby regulate degree of tightness and frictional force between U RunddichtringO and the unilateral bearing.
The operation principle of the utility model is following: the utility model can fixedly be loaded on fixed block on the motor tailing axle, injects lubricating oil through the screwed hole on the fixed block, seals screwed hole with screw again; Motor drives lowering or hoisting gear and moves up and down, when lowering or hoisting gear moves downward as the power source of lowering or hoisting gear; Unilateral bearing does not rotate; Then the motor tailing axle drives bearing, produces friction between unilateral bearing periphery wall and the oil sealing, and then motor is played the effect of damping and braking; When lowering or hoisting gear moved upward, unilateral bearing rotated, at this moment; Not friction between unilateral bearing periphery wall and the oil sealing, cod be along with motor shaft rotates, thereby can not produce motor and hinder; After motor cuts out, because the effect of lowering or hoisting gear gravity can be played braking action to motor; Because the downward damping action of this product can not make the motor counter-rotating because of gravity; The U RunddichtringO has stopped the outside side of the medial surface oil impregnate of unilateral bearing 4.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model preferred embodiment.The utility model not only is confined to above embodiment, and its concrete structure allows variation.In a word, all various variations of in the protection range of the utility model independent claims, being done are all in the protection range at the utility model.
Claims (5)
1. motor damping brake mechanism; Comprise the fixed block (1) and the oil sealing (3) that are used for splendid attire lubricating oil; Be provided with a cylindrical hole (2) in the described fixed block (1); Described oil sealing (3) is assemblied in the cylindrical hole (2), it is characterized in that: be inserted in a unilateral bearing (4) in the described oil sealing (3), described oil sealing (3) and unilateral bearing (4) tight fit.
2. motor damping brake mechanism according to claim 1 is characterized in that: the inboard of described unilateral bearing (4) is provided with U RunddichtringO (5), and described U RunddichtringO (5) encases the medial surface and the part outer peripheral face of unilateral bearing (4).
3. motor damping brake mechanism according to claim 1 is characterized in that: have screw hole (6) on described fixed block (1) shell, described screw hole (6) adopts trip bolt (7) sealing.
4. motor damping brake mechanism according to claim 1; It is characterized in that: be provided with the degree of tightness adjustment structure between described oil sealing (3) and the fixed block (1); Described degree of tightness adjustment structure comprises first screw (8) and first spring (9), and described first spring (9) is sheathed on first screw (8).
5. motor damping brake mechanism according to claim 1; It is characterized in that: also be provided with the degree of tightness adjustment structure between described U RunddichtringO (5) and the fixed block (1); Described degree of tightness adjustment structure comprises second screw (10) and second spring (11), and described second spring (11) is sheathed on second screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200956736U CN202488386U (en) | 2012-03-07 | 2012-03-07 | Motor damping brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200956736U CN202488386U (en) | 2012-03-07 | 2012-03-07 | Motor damping brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488386U true CN202488386U (en) | 2012-10-10 |
Family
ID=46962773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200956736U Expired - Fee Related CN202488386U (en) | 2012-03-07 | 2012-03-07 | Motor damping brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611364A (en) * | 2012-03-07 | 2012-07-25 | 胡忠园 | Motor damping braking mechanism |
-
2012
- 2012-03-07 CN CN2012200956736U patent/CN202488386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611364A (en) * | 2012-03-07 | 2012-07-25 | 胡忠园 | Motor damping braking mechanism |
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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: 20121010 Termination date: 20130307 |