CN106348096B - Cable shaft disc braking device - Google Patents
Cable shaft disc braking device Download PDFInfo
- Publication number
- CN106348096B CN106348096B CN201610853410.XA CN201610853410A CN106348096B CN 106348096 B CN106348096 B CN 106348096B CN 201610853410 A CN201610853410 A CN 201610853410A CN 106348096 B CN106348096 B CN 106348096B
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- Prior art keywords
- connecting rod
- cable
- cable reel
- shaft
- brake
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- 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.)
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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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
-
- 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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- Braking Arrangements (AREA)
Abstract
The invention relates to a cable reel braking device which comprises a cable reel seat, a cable shaft, a cable reel locking device, a brake disc, a connecting rod and pin shaft combination, a steel wire rope, an operating rod and the like. The cable reel is arranged on the cable reel seat, the brake disc is fixed on the cable reel seat, the brake disc is tightly held by the brake disc for braking, and the lever principle is used twice through the combination of the operating lever, a series of connecting rods and the pin shaft, so that the amplification of the braking force more than one hundred times is realized, the difficult problem that the cable reel cannot brake or brake during cable laying is effectively solved, and the personal safety of cable laying personnel is greatly guaranteed. In addition, a parallelogram mechanism for ensuring balanced stress is also adopted, and a snapping protection device for safety protection is arranged. The rotating speed of the cable reel can be controlled at will in the cable laying process, the control is simple, and only one person or two persons are needed to operate the cable reel, so that effective safety guarantee is provided for cable laying.
Description
Technical Field
The invention relates to a cable reel braking device which is mainly used for braking and controlling a cable reel in a cable laying process. Belongs to the field of cable equipment.
Background
The cable laying is a complex, tedious and common work in electric power construction, and particularly in the electric power industry and the mine industry, the cable laying is frequent. Because the cable has high quality under normal conditions, a large amount of personnel is generally needed in the laying process of the cable, dozens of people are needed if the cable is laid for one time, hundreds of people or even hundreds of people are needed if the cable is laid for many times, and particularly, if the cable is laid downwards on a slope, the cable is laid faster under the pulling of the cable reel by many people, so that the rotating speed of the cable reel is higher and higher, the cable reel cannot be stopped, and terrible consequences can occur. Some enterprises in China have accidents caused by the fact that a cable reel cannot brake when cables are laid.
At present, a common braking method for a cable reel is that two persons hold the cable reel with a thick stick, and the method is difficult and laborious to brake and has high danger. Therefore, it is necessary to design a device to solve this problem and achieve effective braking of the cable reel to ensure the safety of cable laying.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cable reel braking device, which realizes effective and reliable braking of a reel in the cable laying process.
The technical scheme of the invention is as follows.
The utility model provides a cable reel arresting gear, includes frame and the cable reel that has cable reel seat and cable shaft, the lower extreme and the cable reel seat interconnect of cable shaft, its characterized in that: the brake disc is fixed on the lower end face of the cable shaft disc seat and is arranged on the frame through a bearing mechanism; the upper end of the cable reel is provided with a cable reel locking device used for locking the cable reel and the cable reel seat together; two brake pads for tightly holding the brake disc are arranged on the outer side of the brake disc; the roots of the two brake pads are respectively arranged on the frame through a root fixing pin shaft; a first crank and a second crank are arranged on two hinged supports hinged on the frame, the opening and closing end of one brake piece is connected with the first crank short handle section through a pin shaft, and the opening and closing end of the other brake piece is connected with the second crank short handle section through a pin shaft; the frame is also provided with an operating rod, the operating rod adopts a long rod piece and a short rod piece which are welded into a crank form, the joint of the two rod pieces is hinged on the frame through a pin shaft, the long handle section of the operating rod is used as an operating handle, and the short handle section is connected with the head end of the steel wire rope; a transverse connecting rod is arranged between the root fixed pin shaft and the operating rod; the long handle section of the first crank throw is connected with one end of a first connecting rod through a pin shaft, the long handle section of the second crank throw is connected with one end of a second connecting rod through a pin shaft, and the other ends of the first connecting rod and the second connecting rod are respectively hinged with two ends of the transverse connecting rod; the cable reel braking device also comprises a third connecting rod and a fourth pull rod which are arranged in parallel, the inner ends of the third connecting rod and the fourth pull rod are respectively hinged with the transverse connecting rod, the outer ends of the third connecting rod and the fourth pull rod are respectively hinged with two ends of a fifth connecting rod, and the fifth connecting rod is parallel to the transverse connecting rod; the frame is also provided with a rope guide wheel; the tail end of the steel wire rope rounds the rope guide wheel and is connected with the fifth connecting rod.
The cable shaft disc locking device is composed of a transverse pin shaft, a pressing pipe, a pressing disc and a clamping jaw, wherein the clamping jaw is installed on the pressing disc, the pressing disc is pressed on the upper end face of the cable shaft disc, the clamping jaw extends into a gap of the cable shaft disc, the upper end face of the pressing disc is provided with a jaw protrusion which is connected with a jaw at the lower end of the pressing pipe, a transverse through hole is drilled on the pressing pipe, a transverse through hole is drilled at the corresponding position of the cable shaft, and the pressing pipe and the cable shaft are connected together by penetrating through the two transverse through holes through the transverse pin shaft.
And the frame is also provided with a first return spring and a second return spring which are respectively connected with the two brake discs.
The first connecting rod is provided with a first track groove, the second connecting rod is provided with a second track groove, and the transverse connecting rod is provided with a third track groove and a fourth track groove; the track groove is internally provided with a pin capable of sliding along the groove, a first inclined connecting rod is connected between the pin in the first track groove and the pin in the third track groove, and a second inclined connecting rod is connected between the pin in the second track groove and the pin in the fourth track groove.
The invention has the positive effects that:
firstly, the cable reel is generally heavier after being wound by a cable, the larger the mass is, the more difficult the braking is under the common condition, the operating lever is in a crank shape and is formed by welding two rod pieces, the included angle is about 90 degrees, the middle part of the operating lever is hinged on a frame through a pin shaft, an operator applies force and then rotates the operating lever around the pin shaft to tighten the steel wire rope, the connecting rod combination mechanism is driven to act, and a brake disc brakes the brake disc, so that the braking of the cable reel is realized. The operating rod achieves force amplification by means of a lever mechanism. The first crank throw, the second crank throw and the operating rod realize the amplification of force, so that the force of an operator is amplified by dozens of times or even higher times, and the effective braking of the cable shaft disc can be realized.
Secondly, because the invention adopts the forms of the brake block and the brake disc, the braking degree can be freely controlled by changing the holding degree of the brake block and the brake disc, thereby realizing the purpose of freely controlling the rotating speed of the cable shaft disc in the cable laying process.
The third connecting rod, the transverse connecting rod, the third connecting rod, the fourth pull rod and the fifth connecting rod form a parallelogram mechanism, so that the brake pads on two sides are uniformly stressed.
Fourthly, in order to prevent the accident when one side of the front component of the braking mechanism is broken, the invention also designs a breaking protection device, and the mechanism plays a role that when the unexpected side component is broken, the other side component still can play a braking role.
Therefore, the invention effectively solves the problem that the cable shaft disc cannot brake or brake force during cable laying, and greatly ensures the personal safety of cable laying personnel. The control of the rotation speed of the cable reel is realized at will in the cable laying process, the control is simple, and only one person or two persons are needed for operation. The device is provided with the breaking protection device, and when the member is broken by the breaking in an accident, the braking effect can be still achieved, and the safety and effectiveness of braking are ensured. The mechanism has the advantages of simple manufacture, low production cost, convenient operation, labor saving and delightful use. The cable reel with different sizes and weights can meet the strength requirement only by slightly changing the sizes of components without changing any mechanism principle and shape, so the cable reel brake device is suitable for braking cable reels with various forms and sizes and is widely applied.
The device completely achieves the expected design effect through the application practice of laying cables from a power transformation I station of a new city gold mine of Shandong gold mining industry Co., Ltd to a power substation of-175 meters underground, and realizes the safe and effective braking of the cable shaft disc controlled at will no matter the cable shaft disc is laid horizontally, laid vertically or laid on a slope.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the braking mechanism of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Referring to fig. 1, an embodiment of the present invention includes a vehicle frame 15 and a cable reel 4 with a cable reel seat 3 and a cable shaft 6, the lower end of the cable shaft 6 being interconnected with the cable reel seat 3. The embodiment of the invention also comprises a brake disc 1 fixed on the lower end surface of the cable shaft disc seat 3 in a welding mode, wherein the brake disc 1 is arranged on the frame 15 through a bearing mechanism and synchronously rotates along with the cable shaft disc seat 3.
The upper end of the cable reel 4 is provided with a cable reel locking device used for locking the cable reel 4 and the cable reel seat 3 together. Cable shaft dish locking device is by horizontal round pin axle 7, press pipe 5, pressure disk 8 and jack catch 9 are constituteed, jack catch 9 passes through the bolt and installs on pressure disk 8, pressure disk 8 presses the up end at cable shaft dish 4, jack catch 9 stretches into in the space of cable shaft dish 4, pressure disk 8 just links together with cable shaft dish 4 like this, also can replace jack catch 9 through the chain to link together cable shaft dish 4 and pressure disk 8, pressure disk 8 up end is equipped with the tooth and inlays protrudingly, with press pipe 5 lower extreme tooth and inlay and be connected, it has horizontal through-hole to bore on pressing pipe 5, horizontal through-hole has also been bored to the corresponding position of cable shaft 6, it links together to press pipe 5 and cable shaft 6 to pass these two horizontal through-holes through horizontal round pin axle 7. Thus, the cable reel locking device locks the cable reel 4 and the cable reel seat 3 together, and relative rotation can not occur during cable laying. The cable reel 4 and the pressure plate 8 can be connected together by chains instead of the claws 9 as long as the relative rotation of the cable reel and the cable reel seat is avoided during cable laying.
Referring to fig. 1 and 2, two brake pads 2 for holding the brake disc 1 are installed on the outer side of the brake disc 1. The roots of the two brake pads 2 are respectively arranged on the frame 15 through a root fixed pin 14, and the brake pads 2 rotate around the root fixed pin.
The first crank throw 18 and the second crank throw 19 are arranged on two hinged supports hinged on the frame 15, the opening and closing end of one brake piece 2 is connected with the short handle section of the first crank throw 18 through a pin shaft, and the opening and closing end of the other brake piece 2 is connected with the short handle section of the second crank throw 19 through a pin shaft. The brake disc 2 is driven to cling to the brake disc 1 to realize braking through the rotation of the first crank throw 18 and the second crank throw 19 around the respective hinged support. The crank throw can rotate around the hinged support, and the crank throw can realize the amplification of braking force by times according to the lever principle.
The frame 15 is also fitted with a first return spring 16 and a second return spring 17, which are respectively connected to the two brake pads and which function to ensure that the brake pads 2 do not grip the disc 1 when the application of external torque ceases.
The frame 15 is also provided with an operating rod 10, the operating rod 10 is in a crank form formed by welding a long rod piece and a short rod piece, the included angle is about 90 degrees, the joint of the two rod pieces is hinged on the frame 15 through a pin shaft, the long handle section of the operating rod 10 is used as an operating handle, and the short handle section is connected with the head end of the steel wire rope 11.
A transverse link 22 is provided between the root anchor pin 14 and the operating lever 10. The long handle section of the first crank throw 18 is connected with one end of a first connecting rod 20 through a pin shaft, the long handle section of the second crank throw 19 is connected with one end of a second connecting rod 21 through a pin shaft, and the other ends of the first connecting rod 20 and the second connecting rod 21 are respectively hinged with two ends of the transverse connecting rod 22.
The embodiment of the present invention further comprises a third connecting rod 25 and a fourth pull rod 26 which are arranged in parallel, wherein the inner ends of the third connecting rod 25 and the fourth pull rod 26 are respectively hinged with the transverse connecting rod 22, the outer ends of the third connecting rod 25 and the fourth pull rod 26 are respectively hinged with two ends of a fifth connecting rod 27, and the fifth connecting rod 27 is parallel to the transverse connecting rod 22. The transverse connecting rod 22, the third connecting rod 25, the fourth pull rod 26 and the fifth connecting rod 27 form a parallelogram mechanism and are used for ensuring that the brake pads on the two sides are uniformly stressed.
The first and second guide sheaves 12 and 13 are further installed on the frame 15 between the fifth link 27 and the operating lever 10.
The rear tail ends of the steel wire ropes 11 sequentially wind the first rope guide wheel 12 and the second rope guide wheel 13 and are connected with a fifth connecting rod 27.
In order to prevent accidents when one side of the front component of the braking mechanism is pulled off, the embodiment of the invention also comprises the following pulling-off protection device: the first connecting rod 20 is provided with a first track groove, the second connecting rod 21 is provided with a second track groove, the transverse connecting rod 22 is provided with a third track groove between a hinge point of the transverse connecting rod 22 and the third connecting rod 25 and a hinge point of the first connecting rod 20 and the transverse connecting rod 22, and the transverse connecting rod 22 is further provided with a fourth track groove between a hinge point of the transverse connecting rod 22 and the fourth pull rod 26 and a hinge point of the second connecting rod 21 and the transverse connecting rod 22. The track groove is internally provided with a pin capable of sliding along the groove, a first inclined connecting rod 23 is connected between the pin in the first track groove and the pin in the third track groove, and a second inclined connecting rod 24 is connected between the pin in the second track groove and the pin in the fourth track groove. The function of the breaking protection device is that when one side component is broken accidentally, the other side component can still play a braking role.
When an operator holds the operating lever 10 and pulls down the operating lever 10, the operating lever 10 rotates around the pin shaft to pull the wire rope 11, the wire rope 11 pulls the fifth link 27 through the first and second wire guide wheels 12 and 13, and the fifth link 27 pulls the first and second links 20 and 21 through the third and fourth links 25 and 26. The first connecting rod 20 pulls the first crank throw 18 to rotate clockwise according to the arrow direction in fig. 2, so as to tighten the brake pad connected with the first crank throw, and the first crank throw is tightly held to the brake disc 1, so that the brake disc is braked, and the second connecting rod 21 pulls the second crank throw 19 to rotate anticlockwise according to the arrow direction in fig. 2, so as to tighten the brake pad connected with the second crank throw, so that the second crank throw is tightly held to the brake disc 1, so that the brake disc is also braked. Because the brake disc 1 and the cable reel seat 3 are welded together, and the cable reel 4 is fixed with the cable reel seat 3 through the cable reel locking device, the brake of the cable reel 4 is directly realized by operating the operating rod 10.
Claims (4)
1. The utility model provides a cable reel arresting gear, includes frame (15) and cable reel (4) that have cable reel seat (3) and cable shaft (6), the lower extreme and the interconnect of cable reel seat (3) of cable shaft (6), its characterized in that: the brake disc (1) is fixed on the lower end face of the cable shaft disc seat (3), and the brake disc (1) is installed on the frame (15) through a bearing mechanism; the upper end of the cable reel (4) is provided with a cable reel locking device used for locking the cable reel (4) and the cable reel seat (3) together; two brake pads (2) used for tightly holding the brake disc (1) are arranged on the outer side of the brake disc (1); the roots of the two brake pads (2) are respectively arranged on the frame (15) through a root fixing pin shaft (14); a first crank (18) and a second crank (19) are arranged on the two hinged supports hinged on the frame (15), the opening and closing end of one brake piece (2) is connected with the short handle section of the first crank (18) through a pin shaft, and the opening and closing end of the other brake piece (2) is connected with the short handle section of the second crank (19) through a pin shaft; the frame (15) is also provided with an operating rod (10), the operating rod (10) is welded into a crank form by adopting one rod piece with each length, the joint of the two rod pieces is hinged on the frame (15) through a pin shaft, the long handle section of the operating rod (10) is used as an operating handle, and the short handle section is connected with the head end of the steel wire rope (11); a transverse connecting rod (22) is arranged between the root part fixed pin shaft (14) and the operating rod (10); the long handle section of the first crank throw (18) is connected with one end of a first connecting rod (20) through a pin shaft, the long handle section of the second crank throw (19) is connected with one end of a second connecting rod (21) through a pin shaft, and the other ends of the first connecting rod (20) and the second connecting rod (21) are respectively hinged with two ends of the transverse connecting rod (22); the cable shaft disc braking device also comprises a third connecting rod (25) and a fourth pull rod (26) which are arranged in parallel, the inner ends of the third connecting rod (25) and the fourth pull rod (26) are respectively hinged with the transverse connecting rod (22), the outer ends of the third connecting rod (25) and the fourth pull rod (26) are respectively hinged with two ends of a fifth connecting rod (27), and the fifth connecting rod (27) is parallel to the transverse connecting rod (22); the frame (15) is also provided with a rope guide wheel; the rear tail end of the steel wire rope (11) rounds the rope guide wheel and is connected with a fifth connecting rod (27).
2. The cable reel brake apparatus of claim 1, wherein: cable shaft dish locking device is by horizontal round pin axle (7), press pipe (5), pressure disk (8) and jack catch (9) are constituteed, install on pressure disk (8) jack catch (9), pressure disk (8) are pressed at the up end of cable shaft dish (4), jack catch (9) are stretched into in the space of cable shaft dish (4), pressure disk (8) up end is equipped with the tooth and inlays protrudingly, be connected with pressing pipe (5) lower extreme tooth and inlay, it has horizontal through-hole to bore on pressing pipe (5), horizontal through-hole has also been bored to the corresponding position of cable shaft (6), it links together to press pipe (5) and cable shaft (6) to pass these two horizontal through-holes through horizontal round pin axle (7).
3. The cable reel brake apparatus of claim 1, wherein: the frame (15) is also provided with a first return spring (16) and a second return spring (17), which are respectively connected with the two brake pads.
4. The cable reel brake apparatus of claim 1, wherein: a first track groove is formed in the first connecting rod (20), a second track groove is formed in the second connecting rod (21), and a third track groove and a fourth track groove are formed in the transverse connecting rod (22); the track groove is internally provided with a pin capable of sliding along the groove, a first inclined connecting rod (23) is connected between the pin in the first track groove and the pin in the third track groove, and a second inclined connecting rod (24) is connected between the pin in the second track groove and the pin in the fourth track groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610853410.XA CN106348096B (en) | 2016-09-27 | 2016-09-27 | Cable shaft disc braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610853410.XA CN106348096B (en) | 2016-09-27 | 2016-09-27 | Cable shaft disc braking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106348096A CN106348096A (en) | 2017-01-25 |
| CN106348096B true CN106348096B (en) | 2022-02-25 |
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ID=57858049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610853410.XA Active CN106348096B (en) | 2016-09-27 | 2016-09-27 | Cable shaft disc braking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106348096B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713997B (en) * | 2019-03-20 | 2023-09-22 | 淮北智行信息科技有限公司 | Pancake spreading and making pot |
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| CN106348096A (en) | 2017-01-25 |
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