CN214661627U

CN214661627U - High-performance loader locking disc

Info

Publication number: CN214661627U
Application number: CN202120595609.3U
Authority: CN
Inventors: 张银华; 吴华忠; 陈苏仙; 王国金
Original assignee: HANGZHOU XIAOSHAN HONGQI FRICTION MATERIAL CO Ltd
Current assignee: HANGZHOU XIAOSHAN HONGQI FRICTION MATERIAL CO Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-09
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to a high performance loader locking dish, affiliated friction braking technical field, including the locking casing, locking casing front end is equipped with the locking fixed disk, it extends the locking casing respectively to be equipped with both ends in the locking casing, the outer transmission shaft of locking fixed disk, be equipped with the locking expansion disc that cup joints mutually with the transmission shaft between locking casing and locking fixed disk, be equipped with end bearing between locking fixed disk rear end and transmission shaft, be equipped with the spring that cup joints mutually with the locking expansion disc between end bearing and locking expansion disc, be equipped with a plurality of interior tooth copper base friction discs and the outer tooth steel sheet that are the alternating expression and distribute and with locking fixed disk looks profile of tooth nested connection between locking expansion disc and locking fixed disk. Has the characteristics of good friction coefficient stability, strong wear resistance, good heat conductivity and long service life. The problem of failure caused by too fast temperature rise of friction braking is solved. The friction area is increased, and the braking effectiveness is ensured, so that the service life and the heat-resisting strength of the product are improved.

Description

High-performance loader locking disc

Technical Field

The utility model relates to a friction braking technical field, concretely relates to high performance loader locking dish.

Background

With the continuous development of buildings, electric power and engineering machinery, the application and the demand of the loader are continuously increased, and the loading conditions of ports, construction sites, sand plants, wood yards and other occasions have the shadow of the loader. The existing domestic friction plate still has the problems of unstable friction performance, high wear rate, low heat resistance and the like in the actual use process, and the exertion of the excellent maneuverability of a mechanical system is seriously restricted.

A loader is a machine with a bucket working device mounted on a wheeled or tracked chassis. The conventional loader has low structural strength and is mainly used for loading and carrying loose materials and the like. Recent loaders have been improved and enhanced in terms of structure, transmission, materials, tires, etc., and are capable of earth moving work, and some multi-wheel loaders are used in projects such as open mines, quarries, and tunnels. The design of a brake system of a loader is a key important consideration, which relates to the personal safety of a driver, and improves the safety and reliability of the whole vehicle, improves the accessibility of parts and reduces the items needing maintenance as far as possible by designing basic safety measures such as parking, service braking, forward-leaning self-locking, descending speed limiting and the like.

Therefore, it is very urgent and necessary to develop a novel friction plate and friction pair which is matched with a transmission system or a braking system, and has long service life and high reliability. The copper-based powder metallurgy friction material is prepared by taking copper alloy as a matrix, adding a lubricating component and a friction component and adopting a powder metallurgy method. Because copper has high thermal conductivity and good wear resistance, the copper-based friction material has the characteristics of good thermal conductivity, stable friction coefficient, wear resistance, excellent heat resistance and the like; compared with iron-based materials, the wear-resistant and wear-resistant material has the advantage of low wear resistance with mating parts, and particularly has high wear resistance and corrosion resistance under wet working conditions.

Chinese patent CN203847600U, published as 2014, 9, 24, discloses a brake friction plate, which comprises a friction plate body, wherein a friction part of the friction plate body is provided with a plurality of concentric oil grooves with a circle center as a center; the grooves are arranged on the basis of the concentric oil grooves, are deeper than the concentric oil grooves, are parallel to the diameter of the friction plate body and are symmetrically arranged on the friction part of the friction plate body. Due to insufficient hardness, the initial abrasion of the friction plate is increased, and the medium oil is dirtied, so that the cleanliness of the whole machine is influenced. In addition, the friction performance stability is poor.

Disclosure of Invention

The utility model discloses there is the stable poor, not wear-resisting, the heat conductivity is poor and life is short not enough of coefficient of friction among the main prior art of solving, provides a high performance loader locking disc, and it has coefficient of friction characteristics stable good, the wearability is strong, the heat conductivity is good and long service life. The problem of failure caused by too fast temperature rise of friction braking is solved. The friction area is increased, the braking effectiveness is guaranteed, the lubricating condition can be improved, the oil temperature is reduced, the oil can smoothly circulate and lubricate, the chip removal and heat dissipation effects are achieved, and the service life and the heat resistance strength of the product are improved.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a high performance loader locking dish, includes the locking casing, locking casing front end be equipped with locking casing flange formula bolted connection fixed locking fixed disk mutually, the locking casing in be equipped with both ends and extend locking casing, the outer transmission shaft of locking fixed disk respectively, locking casing and locking fixed disk between be equipped with the locking expansion disc that cup joints mutually with the transmission shaft, locking fixed disk rear end and transmission shaft between be equipped with end face bearing, end face bearing and locking expansion disc between be equipped with the spring that cup joints mutually with the locking expansion disc, locking expansion disc and locking fixed disk between be equipped with a plurality of internal tooth copper base friction discs and the external tooth steel sheet that are the alternating expression and distribute and with locking fixed disk looks profile of tooth nested connection.

Preferably, the stopping movable disc is provided with a stopping slot, and the stopping shell is provided with a stopping control cylinder movably connected with the stopping slot in a pressing mode.

Preferably, the end face of the stopping fixed disk is provided with an end cover which is sleeved with the transmission shaft, and the end cover is fixedly connected with the stopping fixed disk through a flange type bolt.

Preferably, a plurality of shaft hole bearings sleeved with the transmission shaft are arranged between the end cover and the end face bearing, and shaft sleeves are arranged between two adjacent shaft hole bearings.

Preferably, a support ring is arranged between the shaft sleeve and the stopping fixed disc.

Preferably, a stop friction ring which is fixedly connected with the stop movable disc through a nested bolt is arranged between the internal tooth copper-based friction plate and the stop movable disc.

Preferably, a spring retainer ring sleeved with the transmission shaft is arranged between the spring and the end face bearing.

The utility model discloses can reach following effect:

the utility model provides a high performance loader locking dish compares with prior art, has that coefficient of friction is stable good, the wearability is strong, the heat conductivity is good and long service life's characteristics. The problem of failure caused by too fast temperature rise of friction braking is solved. The friction area is increased, the braking effectiveness is guaranteed, the lubricating condition can be improved, the oil temperature is reduced, the oil can smoothly circulate and lubricate, the chip removal and heat dissipation effects are achieved, and the service life and the heat resistance strength of the product are improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the locking device comprises a transmission shaft 1, a locking shell 2, a locking movable disc 3, an internal tooth copper-based friction plate 4, an external tooth steel disc 5, a locking fixed disc 6, an end cover 7, a shaft sleeve 8, a shaft hole bearing 9, a support ring 10, an end face bearing 11, a spring retainer ring 12, a locking friction ring 13, a spring 14, a locking slot 15 and a locking control cylinder 16.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1, a high-performance loader locking disk includes a locking housing 2, a locking stationary disk 6 fixed to the locking housing 2 by flange bolts is disposed at the front end of the locking housing 2, a transmission shaft 1 is disposed in the locking housing 2 and has two ends extending out of the locking housing 2 and the locking stationary disk 6, a locking movable disk 3 sleeved with the transmission shaft 1 is disposed between the locking housing 2 and the locking stationary disk 6, a locking slot 15 is disposed on the locking movable disk 3, and a locking control cylinder 16 movably pressed to the locking slot 15 is disposed on the locking housing 2. An end face bearing 11 is arranged between the rear end of the stopping fixed disc 6 and the transmission shaft 1, a spring 14 which is sleeved with the stopping movable disc 3 is arranged between the end face bearing 11 and the stopping movable disc 3, and a spring retainer ring 12 which is sleeved with the transmission shaft 1 is arranged between the spring 14 and the end face bearing 11. 7 internal tooth copper-based friction plates 4 and external tooth steel plates 5 which are distributed in a staggered manner and are in tooth-shaped nested connection with the locking fixed disc 6 are arranged between the locking movable disc 3 and the locking fixed disc 6. A stop friction ring 13 which is fixedly connected with the stop movable disc 3 by a nested bolt is arranged between the internal tooth copper-based friction plate 4 and the stop movable disc 3. The end face of the stopping fixed disk 6 is provided with an end cover 7 which is sleeved with the transmission shaft 1, and the end cover 7 is fixedly connected with the stopping fixed disk 6 through a flange type bolt. And 2 shaft hole bearings 9 which are sleeved with the transmission shaft 1 are arranged between the end cover 7 and the end face bearing 11, and shaft sleeves 8 are arranged between the two shaft hole bearings 9. A support ring 10 is arranged between the shaft sleeve 8 and the stop fixing disc 6.

In conclusion, the high-performance loader stopping disc has the characteristics of stable and good friction coefficient, strong wear resistance, good heat conductivity and long service life. The problem of failure caused by too fast temperature rise of friction braking is solved. The friction area is increased, the braking effectiveness is guaranteed, the lubricating condition can be improved, the oil temperature is reduced, the oil can smoothly circulate and lubricate, the chip removal and heat dissipation effects are achieved, and the service life and the heat resistance strength of the product are improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. A high performance loader locking disk characterized in that: including locking casing (2), locking casing (2) front end be equipped with locking fixed disk (6), locking fixed disk (6) fixed through flange formula bolted connection with locking casing (2), locking casing (2) in be equipped with both ends and extend locking casing (2), the outer transmission shaft (1) of locking fixed disk (6) respectively, locking casing (2) and locking fixed disk (6) between be equipped with locking activity dish (3) that cup joint mutually with transmission shaft (1), locking fixed disk (6) rear end and transmission shaft (1) between be equipped with end face bearing (11), end face bearing (11) and locking activity dish (3) between be equipped with spring (14) that cup joint mutually with locking activity dish (3), locking activity dish (3) and locking fixed disk (6) between be equipped with a plurality of copper base friction disc (4) and copper base friction disc (5) that are the alternating expression and distribute and are connected mutually with locking fixed disk (6) nested profile of tooth ).

2. The high performance loader brake disk of claim 1, wherein: the locking movable disc (3) is provided with a locking slot (15), and the locking shell (2) is provided with a locking control cylinder (16) movably connected with the locking slot (15) in a pressing mode.

3. The high performance loader brake disk of claim 1, wherein: the end face of the stopping fixed disk (6) is provided with an end cover (7) which is sleeved with the transmission shaft (1), and the end cover (7) is fixedly connected with the stopping fixed disk (6) through a flange type bolt.

4. A high performance loader brake disk according to claim 3 wherein: the end cover (7) and the end face bearing (11) are provided with a plurality of shaft hole bearings (9) which are sleeved with the transmission shaft (1), and shaft sleeves (8) are arranged between two adjacent shaft hole bearings (9).

5. The high performance loader brake disk of claim 4, wherein: and a support ring (10) is arranged between the shaft sleeve (8) and the stopping fixed disc (6).

6. The high performance loader brake disk of claim 1, wherein: and a stopping friction ring (13) which is fixedly connected with the stopping movable disc (3) through a nested bolt is arranged between the internal tooth copper-based friction plate (4) and the stopping movable disc (3).

7. The high performance loader brake disk of claim 1, wherein: a spring retainer ring (12) sleeved with the transmission shaft (1) is arranged between the spring (14) and the end face bearing (11).