CN217873885U - Brake device for gearbox - Google Patents

Abstract

The utility model belongs to the technical field of agricultural machine, a arresting gear for gearbox is related to, including the stopper casing to and set up price fixing mount pad and the transmission ring flange on the stopper casing, be equipped with friction disc group between price fixing mount pad and the transmission ring flange, friction disc group includes a plurality of outer friction discs and interior friction disc, and interval arrangement between outer friction disc and the interior friction disc, still rotate on the stopper casing and be connected with the shift fork, can realize compressing tightly or relaxing of outer friction disc and interior friction disc through the horizontal hunting of shift fork. The utility model discloses make a whole with arresting gear, easy to assemble and change have simple structure, easy maintenance, characteristics such as adaptability, nature controlled and reliability height, the during operation makes the shift fork rotate through the pulling wire pulling seat, and then compresses tightly friction disc group, reaches braking effect, compares in other wet-type arresting gear, and the stroke is shorter, and the space occupies for a short time.

Description

Braking device for gearbox

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to arresting gear for gearbox.

Background

Common wet brake stroke on the market is all longer, and required space is great, and the inside expanding hoof formula brake all adopts in the place that general space is less, but inside expanding hoof formula brake can appear the friction disc wearing and tearing and lead to the phenomenon that braking effect reduces after long-time the use, and it is very easy to lose efficacy.

Therefore, it is desirable to design a wet brake that can be used in a small space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect and not enough that exist among the prior art, a simple structure of design, reliable and stable, easy to assemble and change, braking effect is good, and the stroke is short, and the space occupies little arresting gear for the gearbox.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a arresting gear for gearbox, includes the stopper casing to and price fixing mount pad and the transmission ring flange of setting on the stopper casing, be equipped with friction disc group between price fixing mount pad and the transmission ring flange, friction disc group includes a plurality of outer friction discs and interior friction disc, and interval arrangement between outer friction disc and the interior friction disc, still rotate on the stopper casing and be connected with the shift fork, can realize compressing tightly or relaxing of outer friction disc and interior friction disc through the horizontal hunting of shift fork.

Preferably, one end of the transmission flange plate is sleeved in the fixed plate mounting seat, the outer friction plate is mounted on the fixed plate mounting seat, and the inner friction plate is mounted on the transmission flange plate.

Preferably, the periphery of the outer friction plate is upwards provided with a clamping block matched with the clamping groove on the fixed disc mounting seat, and the inner ring of the inner friction plate is provided with a clamping tooth matched with the tooth groove on the transmission flange plate.

Preferably, the shifting fork is rotatably arranged on the brake shell through a shifting fork shaft, one end of the shifting fork shaft is connected with a stay wire seat, the stay wire seat is connected with a stay wire mounting seat through a stay wire, and a spring is arranged between the stay wire seat and the brake shell.

Preferably, the shifting fork is arranged on one side, away from the fixed disc mounting seat, of the friction plate group, and a thrust collar is arranged between the shifting fork and the friction plate group.

Preferably, a pressure plate is further arranged on one side, away from the fixed disc mounting base, of the friction plate set.

Preferably, sealing rings are arranged between the fixed disc mounting seat and the brake shell and between the transmission flange plate and the fixed disc mounting seat.

After the technical scheme is adopted, the utility model provides a pair of arresting gear for gearbox has following beneficial effect:

the utility model discloses make a whole with arresting gear, easy to assemble and change have simple structure, easy maintenance, characteristics such as adaptability, nature controlled and reliability height, the during operation makes the shift fork rotate through the pulling wire pulling seat, and then compresses tightly friction plate group, reaches braking effect, compares in other wet-type arresting gear, and the stroke is shorter, and the space occupies for a short time.

Drawings

Fig. 1 is a schematic partial structural view of a first transmission braking device according to the present invention;

fig. 2 is a schematic view of a part of a structure of a brake device for a transmission according to the present invention;

fig. 3 is a side view of a transmission brake apparatus according to the present invention;

fig. 4 is a schematic view of a non-braking state of the brake device for the transmission according to the present invention;

fig. 5 is a schematic view of a braking state of the braking device for the transmission according to the present invention.

Wherein: the brake comprises an O-shaped ring 1, a steel wire buckle 2, a pressure plate 3, an outer friction plate 4, an inner friction plate 5, a fixed plate mounting seat 6, a lip-shaped sealing ring 7, a hole retainer ring 8, a transmission flange plate 9, a transmission shaft connecting bolt 10, an O-shaped ring 11, a screw 12, an elastic pad 13, a brake shell 14, a screw plug 15, a washer 16, a lip-shaped sealing ring 17, a hole retainer ring 18, a gasket 19, a shaft retainer ring 20, a bolt 21, an elastic pad 22, a stay wire mounting seat 23, a bolt 24, an elastic pad 25, a flat pad 26, a thrust collar 27, a stay wire seat 28, a shift fork 29, a steel ball type vent plug 30, a shift fork shaft 31, a cylindrical pin 32, a spring fixing stud 33 and a spring 34.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The utility model relates to a arresting gear for gearbox, as shown in fig. 1-3, including brake housing 14 to and set up price fixing mount pad 6 and drive flange 9 on brake housing 14, drive flange 9 one end cup joints in price fixing mount pad 6, be equipped with friction disc group between price fixing mount pad 6 and the drive flange 9, friction disc group includes a plurality of outer friction discs 4 and inner friction disc 5, and interval arrangement between outer friction disc 4 and the inner friction disc 5, and is concrete, outer friction disc 4 is installed on price fixing mount pad 6, the periphery of outer friction disc 4 upwards be equipped with price fixing mount pad 6 on draw-in groove matched with fixture block, inner friction disc 5 is installed on drive flange 9, inner friction disc 5's the interior circle be equipped with drive flange 9 on the gullet matched with latch.

Still rotate on the stopper casing 14 and be connected with shift fork 29, can realize compressing tightly or loosening of outer friction disc 4 and inner friction disc 5 through shift fork 29's horizontal hunting, it is specific, shift fork 29 rotates through shift fork axle 31 and sets up on stopper casing 14, the seat 28 of acting as go-between is connected to shift fork axle 31's one end, the seat 28 of acting as go-between is connected through acting as go-between and is acted as go-between mount pad 23 to the seat 28 of acting as go-between, and is equipped with spring 34 between seat 28 and the stopper casing 14 of acting as go-between, shift fork 29 sets up the one side of keeping away from fixed plate mount pad 6 at the friction disc group, and is equipped with thrust collar 27 between shift fork 29 and the friction disc group.

Further, a pressure plate 3 is further arranged on one side, away from the fixed disc mounting seat 6, of the friction plate group, and sealing rings are arranged between the fixed disc mounting seat 6 and the brake shell 14 and between the transmission flange 9 and the fixed disc mounting seat 6.

When the brake device for the gearbox is used, the stay wire is arranged on the stay wire mounting seat 23 and connected with the stay wire seat 28, the stay wire seat 28 is pulled by overcoming the acting force of the spring 34 through the stay wire, so that the shifting fork shaft 31 is driven to rotate, the shifting fork shaft 31 can rotate to realize the rotation of the shifting fork 29, and when the stay wire has no force on the stay wire seat 28, the spring 34 pulls the stay wire seat 28 back to the original position; therefore, the braking device of the present invention has two states, one of which is shown in fig. 4, when the fork 29 is at this position, the thrust collar 27 can move freely, the outer friction plate 4 and the inner friction plate 5 are in the non-compressed state, and the braking device does not work; the other state is shown in fig. 5, in which the shift fork 29 pushes the thrust collar 27 to move, the outer friction plate 4 and the inner friction plate 5 are in a pressed state, and the brake device is activated.

To sum up, the utility model provides a pair of arresting gear for gearbox makes a whole with arresting gear, and easy to assemble and change have simple structure, easy maintenance, characteristics such as adaptability, nature controlled and reliability height, and the during operation makes the shift fork rotate through the pulling wire pulling seat, and then compresses tightly friction disc group, reaches braking effect, compares in other wet-type arresting gear, and the stroke is shorter, and the space occupies for a short time, has very big market value, is worth extensively popularizing and applying.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a arresting gear for gearbox, includes brake housing (14) to and fixed disk mount pad (6) and drive ring flange (9) of setting on brake housing (14), its characterized in that: be equipped with the friction disc group between price fixing mount pad (6) and transmission ring flange (9), the friction disc group includes a plurality of outer friction discs (4) and interior friction disc (5), and interval arrangement between outer friction disc (4) and interior friction disc (5), still rotate on stopper casing (14) and be connected with shift fork (29), can realize compressing tightly or relaxing of outer friction disc (4) and interior friction disc (5) through the horizontal hunting of shift fork (29).

2. A transmission brake device according to claim 1, wherein: one end of the transmission flange plate (9) is sleeved in the fixed plate mounting seat (6), the outer friction plate (4) is mounted on the fixed plate mounting seat (6), and the inner friction plate (5) is mounted on the transmission flange plate (9).

3. A transmission brake device according to claim 1, wherein: the periphery of the outer friction plate (4) is upwards provided with a clamping block matched with a clamping groove in the fixed plate mounting seat (6), and the inner ring of the inner friction plate (5) is provided with a clamping tooth matched with a tooth groove in the transmission flange plate (9).

4. A transmission brake device according to claim 1, wherein: the brake device is characterized in that the shifting fork (29) is rotatably arranged on the brake shell (14) through a shifting fork shaft (31), one end of the shifting fork shaft (31) is connected with a stay wire seat (28), the stay wire seat (28) is connected with a stay wire mounting seat (23) through a stay wire, and a spring (34) is arranged between the stay wire seat (28) and the brake shell (14).

5. A transmission brake device according to claim 1, wherein: the shifting fork (29) is arranged on one side, away from the fixed disc mounting seat (6), of the friction plate group, and a thrust collar (27) is arranged between the shifting fork (29) and the friction plate group.

6. A transmission brake device according to claim 1, wherein: and a pressure plate (3) is arranged on one side of the friction plate group, which is far away from the fixed plate mounting seat (6).

7. A transmission brake device according to claim 1, wherein: and sealing rings are arranged between the fixed disc mounting seat (6) and the brake shell (14) and between the transmission flange plate (9) and the fixed disc mounting seat (6).

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