CN112303149A - Paying-off device - Google Patents
Paying-off device Download PDFInfo
- Publication number
- CN112303149A CN112303149A CN202011180885.XA CN202011180885A CN112303149A CN 112303149 A CN112303149 A CN 112303149A CN 202011180885 A CN202011180885 A CN 202011180885A CN 112303149 A CN112303149 A CN 112303149A
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- Prior art keywords
- brake
- wheel cylinder
- drum
- brake wheel
- support
- 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.)
- Pending
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- 210000000003 hoof Anatomy 0.000 claims abstract 2
- 238000009434 installation Methods 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/26—Axial shafts or spigots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/32—Optical fibres or optical cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a pay-off device. The technical scheme is as follows: including pivot and axle bed, the pivot is the pot body of back-off, is connected through tapered roller bearing between pivot and the axle bed, installs the drum brake of two-way two leading hoof structure on the tapered roller bearing, and the bottom of stopper is connected with the brake arm, has on the axle bed to be used for the brake arm passes through and the opening of activity, and axle bed bottom installation bottom support sets up the gag lever post on the bottom support, and it is spacing to carry out vertical direction to the brake arm, and bolted connection tray support, the vertical pole of tray support top fixedly connected with are passed through at the brake drum top. The drum brake has the beneficial effects that the tapered roller bearing converts sliding friction between the rotating shaft and the shaft seat into rolling friction, so that the friction coefficient is reduced, the drum brake is convenient to start, the rotating shaft in rotation can be braked, and the hidden dangers of cable extrusion, injury to people and the like caused by too high rotating speed of the wire coil are prevented.
Description
Technical Field
The invention relates to the technical field of paying-off equipment, in particular to a paying-off device.
Background
In the construction process of low-voltage transformation and communication transformation in electric power, a power cable, a communication cable and a communication optical cable are required to be used in many places. Since various cables (including power cables, communication optical cables and the like) are wound in the cable reel, when the cables need to be used, the cables need to be dragged to be paid off by external force through the auxiliary support of the paying-off support. In the paying-off process, due to the friction force between the paying-off support and the cable disc, the cable disc can be dragged to rotate by large external force, and once the cable disc rotates at a high speed, the cable disc can be decelerated by large external force, and the hidden dangers of cable extrusion, injury to people and the like exist.
Disclosure of Invention
Aiming at the problems that the friction force between the cable disc and the pay-off device is large, the starting is difficult and the speed is difficult to reduce, the invention provides the pay-off device which adopts rolling friction and is provided with a drum brake.
In order to achieve the purpose, the invention provides the following technical scheme: a pay-off device comprises a rotating shaft and a shaft seat, wherein the rotating shaft is an inverted pot body, the rotating shaft is connected with the shaft seat through a tapered roller bearing, a drum brake with a two-way double-leading-shoe structure is installed on the tapered roller bearing, the drum brake comprises a brake drum and an oval brake disc, the brake drum is installed on the inner surface of the bottom of the rotating shaft, the tapered roller bearing is matched with a central hole of the brake disc, a first brake wheel cylinder and a second brake wheel cylinder are arranged at two end portions of the brake disc, the first brake wheel cylinder and the second brake wheel cylinder are point-symmetric about the center of the central hole of the brake disc, the extension direction of the first brake wheel cylinder and the second brake wheel cylinder is perpendicular to the direction of the long axis of the brake disc, a support and a movable push rod which are oppositely arranged are arranged at two ends inside the first brake wheel cylinder and the second brake wheel cylinder, the support and, the other side of the brake drum is connected with a second brake shoe, the first brake shoe and the second brake shoe are matched with the brake drum in position relation, friction plates are arranged between the first brake shoe and the brake drum, a reset spring is connected between the first brake shoe and the second brake shoe, the acting force direction of the reset spring is parallel to the telescopic direction of the first brake wheel cylinder, the bottoms of the first brake wheel cylinder and the second brake wheel cylinder are connected with brake arms, an opening for the brake arms to pass through and move is formed in a shaft seat, a bottom support is installed at the bottom of the shaft seat, a limiting rod is arranged on the bottom support and can limit the brake arms in the vertical direction, the top of the brake drum is connected with a tray support through bolts, and a vertical rod is fixedly connected to the top of the. The drum brake has the advantages that the tapered roller bearing converts sliding friction between the rotating shaft and the shaft seat into rolling friction, so that the friction coefficient is reduced, the drum brake is convenient to start, the drum brake can brake the rotating shaft in rotation, accidents such as cable extrusion and people injury which can occur in high-speed rotation of the cable tray are prevented, the tray support is arranged at the top of the rotating shaft and used for supporting the cable tray, the bottom of the shaft seat is provided with the bottom support, the contact area between the tray support and the ground is increased, damage to the ground is reduced, the vertical rod is arranged at the top of the tray support and can limit the rotating cable tray, and the cable tray is prevented from being thrown out due to overlarge centrifugal force in the rotation process.
Preferably, the rotating shaft and the shaft seat are sealed. Prevent inside the particulate matter gets into the pivot for the wearing and tearing of inside spare part.
Preferably, the tray support comprises a frame and an inner strut. The bearing capacity and the stability of the tray support are improved.
Preferably, the tray support and the bottom support are made by angle steel welding. The manufacturing process is reduced, and the cost is saved.
Preferably, the tray support is hexagonal. The tray support can adapt to cable trays with different sizes.
Preferably, the bottom bracket is shaped like a Chinese character 'tian'. The contact area with the ground is increased, and the damage to the gravity ground is reduced.
Preferably, the brake arm is provided with an upwardly curved handle. The operation of staff is convenient, starts the stopper from the outside.
Preferably, the tapered roller bearing and the drum brake used in the pay-off device are both standard parts. Easy to be disassembled and replaced, and can be assembled and used at any time.
The invention has the advantages that rolling friction is adopted between the rotating shaft and the shaft seat, the friction coefficient is small, the starting is convenient, the bidirectional double-collar shoe type drum brake is installed in the rotating shaft, the drum brake can be used for braking, the braking effect is good, the bidirectional braking can be realized, the quick and effective braking can be realized regardless of the rotation direction of the cable disc, the brake arm is connected to the bottom of the brake, the brake can be controlled from the outside, the tray support is installed at the top of the rotating shaft, the cable disc can adapt to cable discs of various specifications, the vertical rod is installed in the center of the top of the tray support, the rotating cable disc can be limited, and the cable disc is prevented from being thrown out due to overlarge centrifugal force in high-speed rotation to.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of the rotating shaft according to the embodiment of the present invention.
Fig. 3 is a schematic view of the structure of a drum brake according to the embodiment of the present invention.
In the figure: 1. the brake device comprises a brake drum 2, a brake bottom plate 3, friction plates 4, brake shoes I and 5, brake wheel cylinders I and 6, a support 7, a return spring 8, a movable push rod 9, a rotating shaft 10, a shaft seat 11, a tapered roller bearing 12, a vertical rod 13, a tray support 14, a brake arm 15, a limiting rod 16, a bottom support 17, a brake disc 18, brake shoes II and 19 and a brake wheel cylinder II.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1 and 2, a paying-off device is provided with a bottom bracket 16 with a shape like a Chinese character tian at the bottom, a shaft seat 10 is arranged on the bottom bracket 16, the top of the shaft seat 10 is connected with a rotating shaft 9 through a tapered roller bearing 11, and sliding friction between the rotating shaft 9 and the shaft seat 10 is converted into rolling friction through the tapered roller bearing 11, so that the resistance of the paying-off device during starting is reduced; the rotating shaft 9 is a reversed pot body, and the rotating shaft 9 and the shaft seat 10 are sealed, so that particles are prevented from entering the rotating shaft 9, and the abrasion of internal parts is accelerated; a bidirectional double-collar shoe drum brake is mounted on the tapered roller bearing 11, and the drum brake and the tapered roller bearing are standard parts and are convenient to detach and replace; the tapered roller bearing 11 is matched with a central hole of a brake disc 17 of a drum brake, the brake disc 17 is in an oval shape, two ends of the brake disc 17 are connected with a first brake wheel cylinder 5 and a second brake wheel cylinder 19, the extension and contraction directions of the first brake wheel cylinder 5 and the second brake wheel cylinder 19 are perpendicular to the long axis direction of the brake disc 17, a support 6 and a movable push rod 8 which are oppositely arranged are arranged inside the first brake wheel cylinder 5 and the second brake wheel cylinder 19, the support 6 and the movable push rod 8 are used for adjusting the extension and contraction gap between the first brake wheel cylinder 5 and the second brake wheel cylinder 19, so that the sensitivity of the brake is adjusted, the end part of the first brake wheel cylinder 5, which is on the same side as the second brake wheel cylinder 19, is connected with a first brake shoe 4, the other side of the first brake shoe 18, two return springs 7 are connected between the first brake shoe, the first brake shoe 4 and the second brake shoe 18 can be reset, the first brake shoe 4 and the second brake shoe 18 are matched with the brake drum 1 in position relation, the distance between the first brake shoe 4 and the second brake shoe 18 and the brake drum 1 is small, the inner side of the brake drum 1 is provided with a brake bottom plate 3, a friction plate 3 is arranged between the first brake shoe 4 and the second brake shoe 18 and the brake drum 1, abrasion between the first brake shoe 4 and the second brake shoe 18 and the brake drum 1 during braking is reduced, the bottoms of the first brake wheel cylinder 4 and the second brake wheel cylinder 19 are connected with a brake arm 14, the brake device is used for starting the brake device from the outside, an opening for the brake arm 14 to pass through is formed in the shaft seat 10, a handle bent upwards is arranged on the brake arm 14, operation of workers is facilitated, and a limiting rod 15 used for limiting vertical displacement of the brake arm 14 is arranged on the bottom support 16, so that damage to a brake caused by vertical movement of the brake arm 14 is avoided; the top of the rotating shaft 9 is connected with a hexagonal tray support 13 through bolts, the tray support 13 comprises a frame and an inner supporting rod and is used for supporting cable trays with different sizes, a vertical rod 12 is installed at the top of the tray support 13 and limits the cable trays to prevent the cable trays from being thrown out in high-speed rotation, the tray support 13 and the bottom support 16 are formed by welding angle steel, the manufacturing process is reduced, and the cost is saved.
The working process of the invention is that the pay-off device is inclined by ninety degrees, the vertical rod 12 passes through a through hole of a cable tray, the pay-off device is aligned, then the cable is pulled by external force, rolling friction is adopted between the rotating shaft 9 and the shaft seat 10, so the cable tray is easy to start, when the rotating speed of the cable tray is too high, the brake arm 14 can be pulled, the brake wheel cylinder I5 and the brake wheel cylinder II 19 push the brake shoe I4 and the brake shoe II 18, the brake shoe I4 and the brake shoe II 18 simultaneously generate friction with the brake drum 1, the rotating shaft 9 is decelerated, and after the deceleration is finished, the brake shoe I4 and the brake shoe II 18 are reset under the action of the reset spring 7.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a pay-off, its characterized in that, includes pivot (9) and axle bed (10), pivot (9) are the pot body of back-off, pivot (9) with connect through tapered roller bearing (11) between axle bed (10), the drum brake of two-way double leading hoof structure of installation on tapered roller bearing (11), drum brake includes brake drum (1) and oval-shaped brake disc (17), brake drum (1) is installed the bottom internal surface of pivot (9), tapered roller bearing (11) with the centre bore cooperation of brake disc (17), brake disc (17) both ends set up brake wheel cylinder (5) and brake wheel cylinder (19), brake wheel cylinder (5) with brake wheel cylinder (19) about the centre of a circle point symmetry of the centre bore of brake disc (17), brake wheel cylinder (5) with the flexible direction of brake wheel cylinder (19) is perpendicular to brake disc (17) two (19) both ends ) The brake device comprises a first brake wheel cylinder (5), a second brake wheel cylinder (19), a support (6) and a movable push rod (8) which are oppositely arranged at two ends of the interior of the first brake wheel cylinder (5) and the second brake wheel cylinder (19), wherein the support (6) and the movable push rod (8) can adjust a telescopic gap between the first brake wheel cylinder (5) and the second brake wheel cylinder (19), the end part of the first brake wheel cylinder (5) and the end part of the second brake wheel cylinder (19) at the same side are connected with a first brake shoe (4), the end part of the other side of the first brake wheel cylinder (5) and the end part of the second brake wheel cylinder (19) are connected with a second brake shoe (18), the first brake shoe (4) and the second brake shoe (18) are both matched with the brake drum (1) in position relation, friction plates (3) are arranged between the first brake shoe (4) and the second brake shoe (18), and a return spring (7), the brake device is characterized in that the acting force direction of the reset spring (7) is parallel to the telescopic direction of the first brake wheel cylinder (5), the bottoms of the first brake wheel cylinder (5) and the second brake wheel cylinder (19) are connected with a brake arm (14), an opening for the brake arm (14) to pass through and move is arranged on the shaft seat (10), a bottom support (16) is installed at the bottom of the shaft seat (10), a limiting rod (15) is arranged on the bottom support (16), the limiting rod (15) limits the brake arm (14) in the vertical direction, the top of the brake drum (1) is connected with a tray support (13) through a bolt, and the top of the tray support (13) is fixedly connected with a vertical rod (12).
2. Paying-off device as claimed in claim 1, characterized in that a seal is provided between the shaft (9) and the shaft seat (10).
3. The pay-off device as claimed in claim 1, characterized in that the tray support (13) comprises a frame and an internal strut.
4. The pay-off device as claimed in claim 1, characterized in that said bottom bracket (16) and said tray bracket (13) are made by angle steel welding.
5. Pay-off device as claimed in claim 1, characterized in that the tray support (13) is hexagonal.
6. The pay-off device as claimed in claim 1, characterized in that the bottom bracket (16) is shaped like a Chinese character 'tian'.
7. Paying-off device as claimed in claim 1, characterized in that the braking arm (14) is provided with a handle bent upwards.
8. The pay-off device as claimed in claim 1, wherein said tapered roller bearing and said drum brake are each a standard component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180885.XA CN112303149A (en) | 2020-10-29 | 2020-10-29 | Paying-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180885.XA CN112303149A (en) | 2020-10-29 | 2020-10-29 | Paying-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112303149A true CN112303149A (en) | 2021-02-02 |
Family
ID=74331491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011180885.XA Pending CN112303149A (en) | 2020-10-29 | 2020-10-29 | Paying-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303149A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204809760U (en) * | 2015-07-31 | 2015-11-25 | 国网山东五莲县供电公司 | Low pressure power cable pay -off |
| CN111075859A (en) * | 2019-12-26 | 2020-04-28 | 方昌俭 | Bidirectional double-collar shoe type drum brake |
| CN211110809U (en) * | 2019-12-03 | 2020-07-28 | 江苏耐尔特电力设备科技有限公司 | 5T rapid winching mill with good braking effect |
-
2020
- 2020-10-29 CN CN202011180885.XA patent/CN112303149A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204809760U (en) * | 2015-07-31 | 2015-11-25 | 国网山东五莲县供电公司 | Low pressure power cable pay -off |
| CN211110809U (en) * | 2019-12-03 | 2020-07-28 | 江苏耐尔特电力设备科技有限公司 | 5T rapid winching mill with good braking effect |
| CN111075859A (en) * | 2019-12-26 | 2020-04-28 | 方昌俭 | Bidirectional double-collar shoe type drum brake |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |
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| RJ01 | Rejection of invention patent application after publication |