CN209758795U - Friction liner for friction type hoist - Google Patents
Friction liner for friction type hoist Download PDFInfo
- Publication number
- CN209758795U CN209758795U CN201822089871.1U CN201822089871U CN209758795U CN 209758795 U CN209758795 U CN 209758795U CN 201822089871 U CN201822089871 U CN 201822089871U CN 209758795 U CN209758795 U CN 209758795U
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- friction
- liner
- wire rope
- circular
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Abstract
The utility model relates to a friction liner for friction formula lifting machine, including all presenting curved up end and lower terminal surface, the up end of friction liner is provided with three wire rope grooving, and wire rope grooving comprises circular slope and circular slot, and the circular slope sets up in the both sides of every circular slot, the bottom of circular slope and the upper portion smooth connection of circular slot, and the top of circular slope extends to the up end of liner. Two inclined planes are arranged on two side faces of the upper end face and the lower end face of the friction pad, the width of the lower end face between the two inclined planes is smaller than that of the upper end faces of the two inclined planes, and a chamfer is arranged at the joint of the two inclined planes and the lower end face. The three steel wire rope grooves are used alternately, the service life of the liner is effectively prolonged, the installation and maintenance cost is reduced, and allowable friction coefficients under different working conditions are all larger than 0.25.
Description
Technical Field
The utility model relates to a friction lining specifically is a friction lining for friction formula hoist.
Background
Since birth, the self-friction type hoist has compact and reasonable structure, large hoisting capacity, wide application range of hoisting height, high hoisting efficiency, safety, reliability, light dead weight, strong adaptability and the like, and is a mainstream device of the mine hoist.
The friction type elevator transfers power by means of friction force between the steel wire rope and the friction lining, so that the friction lining is an important part of the friction type elevator, and the quality of the performance of the friction type elevator can directly influence the lifting capacity and the use safety of the elevator. The elevator transmits power by using the friction force between the steel wire rope and the friction liner, and when the friction coefficient between the steel wire rope and the friction liner does not reach the allowable friction coefficient, slipping occurs, and safety accidents occur. Therefore, the compression strength of the friction lining is improved, and the friction coefficient is improved, which has important significance.
at present, due to the reasons that manufacturing materials are not properly selected, defects exist in the initial structural design and the like, sliding friction is generated between the friction lining and the roll shaft in the using process of the friction lining, the friction lining is abraded in the long term, and potential safety hazards are generated. And the existing friction lining pad has high damage speed, and needs to be replaced in time, thus bringing huge consumption of manpower, material resources and financial resources.
Disclosure of Invention
The utility model aims to improve the coefficient of friction between steel cable and the liner under the prerequisite of guaranteeing that liner and friction pulley are stably connected, prevent that the steel cable from taking place the phenomenon of skidding on the liner, a friction liner for friction formula hoist is provided, the working capability and the security that the friction liner can improve the lifting machine, act as the isolation pad simultaneously, keep apart bobbin case and wire rope, can the shock attenuation, the bradyseism, antidetonation and protection wire rope, the reel and hang the facility, avoid both direct contact and looks mutual friction, extension wire rope life, the factor of safety of work is improved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a friction liner for friction formula lifting machine, the up end and the lower terminal surface of friction liner all are the arc, and the up end of friction liner is provided with three grooving that are used for wrapping up wire rope, and the friction liner is installed on the circular roller of lifting machine. The steel wire rope groove consists of arc slope surfaces and circular grooves, the arc slope surfaces are arranged on two sides of each circular groove, the inner diameter of each arc slope surface is larger than that of each circular groove, the bottom of each arc slope surface is smoothly connected with the upper portion of each circular groove, and the top of each arc slope surface extends to the upper end face of each gasket. Two inclined planes, namely a left inclined plane and a right inclined plane, are arranged on two side surfaces of the upper end surface and the lower end surface of the friction lining. The width of the lower end face between the two inclined faces is smaller than that of the upper end face between the two inclined faces, and a chamfer is arranged at the joint of the two inclined faces and the lower end face. The arc length of the upper end surface of the friction liner is larger than that of the lower end surface of the friction liner, and the thickness between the upper end surface and the lower end surface of the friction liner is 80-100 mm.
The utility model discloses following beneficial effect has:
1) The contact area between the steel wire rope and the liner is increased through the arrangement of the arc slope surface and the circular groove on the upper part of the steel wire rope groove, the safety coefficient is increased, and under the condition that the lateral force of the steel wire rope is large, the steel wire rope can move upwards along the slope surface, cannot fall off from the rope groove, releases certain pressure and has certain protection effect on the steel wire rope and the liner;
2) The utility model provides a friction type lifting machine friction lining sets up three wire rope grooving at the friction lining up end, and this three wire rope grooving can alternate use, the effectual life who increases the liner has increased the change cycle, has reduced the installation maintenance cost:
3) The utility model provides a permissible value of coefficient of friction formula lifting machine friction lining is not less than the required coefficient of friction value of the lift system that uses this friction lining to permissible coefficient of friction all is greater than 0.25 under the operating condition of difference.
4) The friction liner of the friction type elevator can be more stably fixed on the metal roller through the arrangement of the upper arc surface and the lower arc surface, and is convenient to install.
Drawings
fig. 1 is a front view of a friction lining for a friction type elevator according to the present invention;
3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 the 3 friction 3 lining 3 for 3 a 3 friction 3 hoist 3 according 3 to 3 the 3 present 3 invention 3; 3
Fig. 3 is a top view of the friction lining for a friction type elevator of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, the friction lining for friction hoist of the present invention has an upper end surface 1 and a lower end surface 2 both presenting an arc shape, the arc length of the upper end surface 1 is greater than the arc length of the lower end surface 2, and the thickness between the upper end surface 1 and the lower end surface 2 is 80-100 mm. The upper end face 1 of friction liner is equipped with three wire rope grooving 5, wire rope grooving 5 comprises circular arc slope surface 501 and circular slot 502, circular arc slope surface 501 sets up the both sides at every circular slot 502, the interior warp of circular arc slope surface 501 is greater than the interior warp of circular slot 502, the bottom and the upper portion smooth connection of circular arc slope surface 501, the top of circular arc slope surface 501 extends to the up end 1 of friction liner, two sides of the up end 1 of friction liner and lower terminal surface 2 set up two inclined planes, for left inclined plane 3 and right inclined plane 4. The width of the lower end face between the two inclined faces is smaller than that of the upper end faces of the two inclined faces, and a chamfer is arranged at the joint of the two inclined faces and the lower end face.
The utility model discloses an installation of friction lining is realized to following step or mode: the friction pad is arranged on a roller of the friction wheel, the steel wire rope is wound on the friction pad on the wheel groove, the steel wire rope is positioned in any steel wire rope groove 5 on the upper surface 1 of the friction pad, and when the steel wire rope works, the friction coefficient meeting the normal work of the steel wire rope is formed between the friction pad and the steel wire rope, so that the safe and stable operation of the steel wire rope is ensured. When the steel wire rope groove 5 is in a wear state for a long time, the steel wire rope can be exchanged into the other two steel wire rope grooves 5 for continuous use. The three steel wire rope grooves 5 are alternately used, so that the service life of the liner is effectively prolonged, the replacement period is prolonged, and the installation and maintenance cost is reduced.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. the friction lining is characterized in that three steel wire rope grooves are formed in the upper end face of the friction lining, each steel wire rope groove is composed of an arc slope face and a circular groove, the arc slope faces are arranged on two sides of each circular groove, and the inner diameter of each arc slope face is larger than the inner diameter of each circular groove.
2. The friction lining for a friction type lifter according to claim 1, wherein the bottom of the circular arc slope surface is smoothly connected with the upper portion of the circular groove, and the top of the circular arc slope surface extends to the upper end surface of the friction lining.
3. A friction lining for a friction lift as defined in claim 1 wherein the upper end surface of said friction lining has an arc length greater than the arc length of the lower end surface.
4. A friction lining for a friction lift according to claim 1 wherein the thickness between the upper and lower end faces of the friction lining is 80 to 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089871.1U CN209758795U (en) | 2018-12-12 | 2018-12-12 | Friction liner for friction type hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089871.1U CN209758795U (en) | 2018-12-12 | 2018-12-12 | Friction liner for friction type hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209758795U true CN209758795U (en) | 2019-12-10 |
Family
ID=68746491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822089871.1U Active CN209758795U (en) | 2018-12-12 | 2018-12-12 | Friction liner for friction type hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209758795U (en) |
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2018
- 2018-12-12 CN CN201822089871.1U patent/CN209758795U/en active Active
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