CN204978601U - Large automobile jaw type brake equipment - Google Patents

Abstract

Large automobile jaw type brake equipment establishes the axle axle under the frame and rotate to connect the brake pot at axle both ends through the bearing including the level, forms an inclosed toroidal cavity respectively between the inner wall of brake pot and the axle axle periphery, and the splendid attire has an endless coolant in the toroidal cavity, two brake pots respectively and contact department between the axle axle be equipped with the high temperature oil blanket, two pot outsides of braking are equipped with a jaw type brake mechanism respectively. The utility model relates to a novelty, simple structure, the good reliability is easily made, provides the excircle centre gripping formula braking structure that braking effect is good, for the large automobile's in traveling arresting gear provides good cooling effect, is especially traveling in long -distance and can improve the security of driving during long sloping downhill path greatly.

Description

Full-sized car clamp-type brake device

Technical field

The utility model belongs to automobile part production technique field, particularly relates to a kind of full-sized car clamp-type brake device.

Background technology

In the last few years, along with the sustained and rapid development of China's economy, bear shipping, passenger traffic full-sized car get more and more.Automobile is run at high speed on highway, particularly in descending section, because brake shoe brake cheek is in long-time braking procedure, causes temperature to raise with brake disc frictional heat, there will be brake failure and the overheated accident generation causing blowing out of tire.At present, domestic carry out lowering the temperature for full-sized car brake disc generally all adopt the mode of water-cooled, this mode waste water resource (water is by thermal evaporation), and easily make breach after brake disc chilling; Especially in the winter time, utilize water easily to cause icy on road to brake equipment of lowering the temperature, huge potential safety hazard is produced to other vehicles.

In addition, the temperature in long-play process of the gear oil in vehicle bridge gear case is higher, so also easily has influence on the normal operation of gear and brake system.

To brake disc or brake wheel according to oil cooling mode, just the structure of brake disc must be improved, need simultaneously to brake disc with the use of brake shoe brake cheek and brake power part improve.

Utility model content

The utility model in order to solve weak point of the prior art, the full-sized car clamp-type brake device providing a kind of scientific in principle, deceleration and stopping performance strong, safe and reliable.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: full-sized car clamp-type brake device, comprise level to be located at the axle shaft under vehicle frame and to be rotatably connected on the brake disc at axle shaft two ends by bearing, an airtight toroidal cavity is formed respectively between the inwall of brake disc and axle shaft periphery, the cooling media of circulation is loaded with in toroidal cavity, two contact positions of brake disc respectively and between axle shaft are provided with high temperature oil sealing, and two brake disc outsides are respectively equipped with a clamp-type brake mechanism;

Described clamp-type brake mechanism comprises driven wheel, first angle steel type positioning plate, second angle steel type positioning plate, first tooth bar, second tooth bar, first connecting rod, second connecting rod, first brake shoe brake cheek and the second brake shoe brake cheek, driven wheel rotates and is located at bottom of frame, first brake shoe brake cheek and the equal semicircular in shape structure of the second brake shoe brake cheek, first brake shoe brake cheek contacts with the outer circumferential walls of two brake discs respectively with the circumferential inner wall of the second brake shoe brake cheek and coordinates, one end of first brake shoe brake cheek and one end of the second brake shoe brake cheek hinged, the other end of the first brake shoe brake cheek and one end of first connecting rod hinged, the other end of the second brake shoe brake cheek and one end of second connecting rod hinged, the hinged formation clamp type structure in middle part of first connecting rod and second connecting rod, first connecting rod is vertical with the disc that the second brake shoe brake cheek is encircled into the first brake shoe brake cheek with the plane at second connecting rod place,

First angle steel type positioning plate is vertical with the second angle steel type positioning plate and be oppositely arranged, driven wheel is between the first angle steel type positioning plate and the second angle steel type positioning plate, the other end of first connecting rod and one end of the first tooth bar hinged, the other end of second connecting rod and one end of the second tooth bar hinged, first tooth bar is parallel with the second tooth bar, the other end of the first tooth bar is connected by the first guiding support bar with the first angle steel type positioning plate, the other end of the second tooth bar is connected by the second guiding support bar with the second angle steel type positioning plate, first guiding support bar and the second guiding support bar are all vertical with the first tooth bar, driven wheel is connected with a joggle with the first tooth bar and the second tooth bar respectively, two sides of the first tooth bar respectively with the inner surface sliding block joint of the first angle steel type positioning plate, two sides of the second tooth bar respectively with the inner surface sliding block joint of the second angle steel type positioning plate.

Adopt technique scheme, because brake disc structure is different from existing, therefore braking needs are carried out to two brake discs and carry out outside clipping braking, when two brake discs are braked, driven wheel rotates, the first tooth bar engaged with driven wheel drives the first angle steel type positioning plate to move by the first guiding support bar, the second tooth bar engaged with driven wheel drives the second angle steel type positioning plate to move by the second guiding support bar, the first angle steel type positioning plate and the second angle steel type positioning plate spacing under, can guarantee to keep stability in the first tooth bar and the second tooth bar moving process in the opposite direction, first tooth bar and the second tooth bar drive first connecting rod and second connecting rod respectively, because first connecting rod and second connecting rod form clamp type structure, the other end of first connecting rod and second connecting rod just drives the first brake shoe brake cheek and the second brake shoe brake cheek inwall clamping brake disc outer wall, thus realize braking.This brake mode adopts jaw type lever principle, good braking effect.

The utility model is novel in design, structure is simple, reliability is strong, be easy to manufacture, there is provided a kind of cylindrical of good braking effect clipping brake structure, for the brake equipment of the full-sized car in traveling provides good cooling effect, the safety of driving particularly greatly can be improved when long-distance running and long slope descending.Certainly, the utility model can also be applied to some middle-size and small-size passenger traffics, transport truck.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of clamp type structure in the middle of Fig. 1, driven wheel and tooth bar;

Fig. 3 is the right elevation of Fig. 2.

Detailed description of the invention

As shown in Figure 1, Figure 2 and Figure 3, full-sized car clamp-type brake device of the present utility model, comprise level to be located at the axle shaft 3 under vehicle frame and to be rotatably connected on the brake disc 2 at axle shaft 3 two ends by bearing, an airtight toroidal cavity is formed respectively between the inwall of brake disc 2 and axle shaft 3 periphery, the cooling media of circulation is loaded with in toroidal cavity, two contact positions of brake disc 2 respectively and between axle shaft 3 are provided with high temperature oil sealing, and two brake disc 2 outsides are respectively equipped with a clamp-type brake mechanism.

Clamp-type brake mechanism comprises driven wheel 14, first angle steel type positioning plate 15, second angle steel type positioning plate 16, first tooth bar 17, second tooth bar 18, first connecting rod 19, second connecting rod 20, first brake shoe brake cheek 21 and the second brake shoe brake cheek 22, driven wheel 14 rotates and is located at bottom of frame, first brake shoe brake cheek 21 and the second brake shoe brake cheek 22 all semicircular in shape structures, first brake shoe brake cheek 21 contacts with the outer circumferential walls of two brake discs 2 respectively with the circumferential inner wall of the second brake shoe brake cheek 22 and coordinates, one end of first brake shoe brake cheek 21 and one end of the second brake shoe brake cheek 22 hinged, the other end of the first brake shoe brake cheek 21 and one end of first connecting rod 19 hinged, the other end of the second brake shoe brake cheek 22 and one end of second connecting rod 20 hinged, the hinged formation clamp type structure in middle part of first connecting rod 19 and second connecting rod 20, first connecting rod 19 is vertical with the disc that the second brake shoe brake cheek 22 is encircled into the first brake shoe brake cheek 21 with the plane at second connecting rod 20 place.

First angle steel type positioning plate 15 is vertical with the second angle steel type positioning plate 16 and be oppositely arranged, driven wheel 14 is between the first angle steel type positioning plate 15 and the second angle steel type positioning plate 16, the other end of first connecting rod 19 and one end of the first tooth bar 17 hinged, the other end of second connecting rod 20 and one end of the second tooth bar 18 hinged, first tooth bar 17 is parallel with the second tooth bar 18, the other end of the first tooth bar 17 is connected by the first guiding support bar 26 with the first angle steel type positioning plate 15, the other end of the second tooth bar 18 is connected by the second guiding support bar 27 with the second angle steel type positioning plate 16, first guiding support bar 26 and the second guiding support bar 27 are all vertical with the first tooth bar 17, driven wheel 14 is connected with a joggle with the first tooth bar 17 and the second tooth bar 18 respectively, two sides of the first tooth bar 17 respectively with the inner surface sliding block joint of the first angle steel type positioning plate 15, two sides of the second tooth bar 18 respectively with the inner surface sliding block joint of the second angle steel type positioning plate 16.

Because brake disc structure is different from existing, therefore braking needs are carried out to two brake discs and carry out outside clipping braking, when two brake discs are braked, driven wheel 14 rotates, the first tooth bar 17 engaged with driven wheel 14 drives the first angle steel type positioning plate 15 to move by the first guiding support bar 26, the second tooth bar 18 engaged with driven wheel 14 drives the second angle steel type positioning plate 16 to move by the second guiding support bar 27, the first angle steel type positioning plate 15 and the second angle steel type positioning plate 16 spacing under, can guarantee to keep stability in the first tooth bar 17 and the second tooth bar 18 moving process in the opposite direction, first tooth bar 17 and the second tooth bar 18 drive first connecting rod 19 and second connecting rod 20 respectively, because first connecting rod 19 and second connecting rod 20 form clamp type structure, the other end of first connecting rod 19 and second connecting rod 20 just drives the first brake shoe brake cheek 21 and the second brake shoe brake cheek 22 inwall clamping brake disc outer wall, thus realize braking.This brake mode adopts jaw type lever principle, good braking effect.

The present embodiment not does any pro forma restriction to shape of the present utility model, material, structure etc.; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.

Claims (1)

1. full-sized car clamp-type brake device, comprise level to be located at the axle shaft under vehicle frame and to be rotatably connected on the brake disc at axle shaft two ends by bearing, it is characterized in that: between the inwall of brake disc and axle shaft periphery, form an airtight toroidal cavity respectively, the cooling media of circulation is loaded with in toroidal cavity, two contact positions of brake disc respectively and between axle shaft are provided with high temperature oil sealing, and two brake disc outsides are respectively equipped with a clamp-type brake mechanism;

Described clamp-type brake mechanism comprises driven wheel, first angle steel type positioning plate, second angle steel type positioning plate, first tooth bar, second tooth bar, first connecting rod, second connecting rod, first brake shoe brake cheek and the second brake shoe brake cheek, driven wheel rotates and is located at bottom of frame, first brake shoe brake cheek and the equal semicircular in shape structure of the second brake shoe brake cheek, first brake shoe brake cheek contacts with the outer circumferential walls of two brake discs respectively with the circumferential inner wall of the second brake shoe brake cheek and coordinates, one end of first brake shoe brake cheek and one end of the second brake shoe brake cheek hinged, the other end of the first brake shoe brake cheek and one end of first connecting rod hinged, the other end of the second brake shoe brake cheek and one end of second connecting rod hinged, the hinged formation clamp type structure in middle part of first connecting rod and second connecting rod, first connecting rod is vertical with the disc that the second brake shoe brake cheek is encircled into the first brake shoe brake cheek with the plane at second connecting rod place,

First angle steel type positioning plate is vertical with the second angle steel type positioning plate and be oppositely arranged, driven wheel is between the first angle steel type positioning plate and the second angle steel type positioning plate, the other end of first connecting rod and one end of the first tooth bar hinged, the other end of second connecting rod and one end of the second tooth bar hinged, first tooth bar is parallel with the second tooth bar, the other end of the first tooth bar is connected by the first guiding support bar with the first angle steel type positioning plate, the other end of the second tooth bar is connected by the second guiding support bar with the second angle steel type positioning plate, first guiding support bar and the second guiding support bar are all vertical with the first tooth bar, driven wheel is connected with a joggle with the first tooth bar and the second tooth bar respectively, two sides of the first tooth bar respectively with the inner surface sliding block joint of the first angle steel type positioning plate, two sides of the second tooth bar respectively with the inner surface sliding block joint of the second angle steel type positioning plate.