CN206664841U - Interlock braking device - Google Patents

Abstract

Embodiment of the present utility model provides a kind of interlock braking device, suitable for being installed on a locomotive, including a Brake cable, a rocker arm support, an elastic component, a brake arm and an adjustment nut.Brake cable includes a fixture and a screw rod.The Brake cable passes through the rocker arm support.Elastic component is sheathed on the Brake cable, and one end of the elastic component connects the fixture, and the other end of the elastic component connects the rocker arm support.Brake arm includes an articulated part, wherein, the Brake cable passes through the articulated part of the brake arm, and the articulated part separates with the elastic component.Adjustment nut is screwed together in the screw rod, wherein, the brake arm abuts the adjustment nut.

Description

Interlock brake device

technical field

The utility model relates to a linkage brake device, in particular to a linkage brake device which can improve safety.

Background technique

A linkage brake device of an existing locomotive comprises a brake wire, an elastic component, a brake arm and an adjusting nut. The brake arm includes a pivot. The adjusting nut is arranged on the screw rod of the brake wire. The elastic component surrounds the brake wire, the pivot piece abuts against the adjusting nut, and one end of the elastic component abuts against the pivot piece. Referring to Figure 1A, when the locomotive's brake pads are not worn out (when the clearance is not adjusted), when the driver applies force to the hand brake lever, the rear wheel linkage brake device will provide braking earlier than the front wheel linkage brake device. power to improve safety. However, referring to Fig. 1B, after the locomotive's brake pad is worn out, the position of the adjusting nut on the screw rod is adjusted to maintain the appropriate actuation clearance of the hand brake lever. At this time, the elastic component is subject to a greater amount of compression And provide bigger elastic force, cause rear wheel interlocking braking device to provide braking force later than front wheel interlocking braking device, therefore will affect driving safety.

Utility model content

The utility model provides a linkage brake device, which is used to solve the problem in the prior art that "the rear wheel linkage brake device will provide braking force later than the front wheel linkage brake device, thus affecting driving safety". .

A linkage brake device of the utility model is suitable for being installed on a locomotive, and comprises a brake wire, a rocker arm bracket, an elastic component, a brake arm and an adjusting nut. The brake wire includes a fixing piece and a screw rod. The brake wire passes through the rocker bracket. The elastic component is sheathed on the brake wire, one end of the elastic component is connected to the fixing member, and the other end of the elastic component is connected to the rocker arm bracket. The brake arm includes a pivot piece, wherein the brake wire passes through the pivot piece of the brake arm, and the pivot piece is separated from the elastic component. The adjusting nut is screwed on the screw rod, wherein the brake arm abuts against the adjusting nut.

In one embodiment, in a first clearance adjustment state, the adjusting nut is located at a first position on the screw rod, there is a predetermined length between the two ends of the elastic component, and in a second clearance adjustment In this state, the adjusting nut is located at a second position on the screw rod, the predetermined length is still maintained between the two ends of the elastic component, and the first position is closer to a free end of the screw rod than the second position.

In one embodiment, in a first clearance adjustment state, the adjustment nut is located at a first position on the screw rod, and in a second clearance adjustment state, the adjustment nut is located at a position on the screw rod The second position, the first position is closer to a free end of the screw rod than the second position, in the first clearance adjustment state and the second clearance adjustment state, between the fixing member and the rocker arm bracket Maintain a fixed distance.

In one embodiment, the fixing part is a nut, the fixing part is screwed on the screw rod, and the fixing part is separated from the pivoting part.

In one embodiment, the elastic component is a spring, and the elastic component includes a first spring end and a second spring end, the first spring end abuts against the rocker arm bracket, and the second spring end abuts against the fixed The first spring end has a first winding diameter, the second spring end has a second winding diameter, and the second winding diameter is smaller than the first winding diameter.

In one embodiment, the fixing part is a flange, and the fixing part is integrally formed on the screw rod.

In one embodiment, the elastic component includes a spring section and a spring seat, the spring seat is formed at one end of the spring section, the other end of the spring section abuts against the rocker arm bracket, and the spring seat abuts against The fixture.

In one embodiment, the spring seat is a cup-shaped element.

In one embodiment, the spring seat includes a central opening and a notch, the notch communicates with the central opening, the notch has a notch width, the notch width is greater than a screw diameter of the screw rod, and the notch width is smaller than the fixing The width of the piece.

In one embodiment, the interlocking braking device further includes a dustproof cover, the dustproof cover is sheathed on a part of the brake wire, and the elastic component surrounds the dustproof cover.

Applying the interlocking braking device of the embodiment of the present invention, in the first clearance adjustment state and the second clearance adjustment state, a fixed distance is maintained between the fixing member and the rocker arm bracket, so different clearances In the adjusted state, the elastic component will not provide greater elastic force due to greater compression. When the driver applies force to the handbrake lever, the rear-wheel linkage brake will always provide braking force earlier than the front-wheel linkage brake to improve safety.

Description of drawings

Fig. 1A shows the braking force of the rear wheel interlocking braking device and the front wheel interlocking braking device under the condition that the brake pads of the existing locomotive are not worn.

Fig. 1B shows the braking force of the rear wheel interlocking braking device and the front wheel interlocking braking device after the brake pads of the existing locomotive are worn.

Fig. 2 shows the appearance of the locomotive of the utility model embodiment.

FIG. 3A shows that the interlocking braking device of the first embodiment of the present invention is installed on the locomotive, wherein the interlocking braking device is in a first clearance adjustment state.

FIG. 3B is an exploded view showing the linkage braking device of the first embodiment of the present invention.

FIG. 3C shows that the interlocking braking device of the first embodiment of the present invention is installed on the locomotive, wherein the interlocking braking device is in the second clearance adjustment state.

FIG. 4A shows the linkage brake device of the second embodiment of the present invention.

FIG. 4B is a cross-sectional view along the line 4B-4B in FIG. 4A.

FIG. 4C is a cross-sectional view taken along the line 4C-4C in FIG. 4B.

Fig. 5 shows the braking force of the rear wheel interlocking braking device and the front wheel interlocking braking device under different clearance adjustment states of the locomotive according to the embodiment of the present invention.

【Symbol Description】

1. 1'～link brake device

10～Brake wire

11, 11'～Fixer

12～screw

13～free end

14～dust cover

20～rocker arm bracket

30, 30'～elastic components

31 ~ the first spring end

32～Second spring end

33～spring section

34～spring seat

341～Central opening

342～gap

41～brake arm

42～Adjusting nut

43～pivot piece

91～leading

92～front wheel

93～rear wheel

94～seat cushion

95～power system

96～hand brake lever

97～link brake mechanism

M ~ locomotive

P1～first position

P2～Second position

L1～predetermined length

L2～fixed distance

φ1～the first winding diameter

φ2～second winding diameter

φ3～screw diameter

d1～gap width

detailed description

In order to facilitate those of ordinary skill in the art to understand and realize the utility model, the embodiments of the utility model are now described in conjunction with the accompanying drawings.

With reference to Fig. 2, it shows the appearance of the locomotive M of the utility model embodiment, comprises components such as interlock brake device 1, faucet 91, front wheel 92, rear wheel 93, seat cushion 94, power system 95.

Locomotive M includes front section, middle section and rear section and so on. The front section of the locomotive M is provided with components such as a faucet 91, a front wheel 92, a linkage brake mechanism 97 (CBS), a direction lamp and a keyhole. The middle section of locomotive M is provided with components such as power system 95, seat cushion 94 and tripod. The rear section of the locomotive M is provided with components such as tail lights, rear wheels 93, fenders.

The faucet 91 is used to control the traveling direction of the locomotive M, and functional parts can be installed on the faucet 91, including units such as instruments, switches, and rear-view mirrors. The faucet 91 also has a handle (including a refueling handle) and a hand brake lever 96. The user can control the steering of the faucet 91 through the handle, adjust the throttle angle of the power system 95 through the refueling handle to control the power output, and use the hand brake lever to control the power output. 96 and interlocking braking mechanism 97 (CBS) decelerate locomotive M. A main light can also be installed on the faucet 91, and the main light provides main light illumination for the locomotive M.

The faucet 91 and the front wheel 92 are interlocked through the faucet rotation shaft, whereby the angle of the front wheel 92 can be controlled by rotating the faucet 91, thereby controlling the direction of travel of the locomotive M.

The power system 95 is connected to and drives the rear wheels 93, thereby providing power for the locomotive M and making the locomotive M move forward.

FIG. 3A shows that the linkage braking device 1 of the first embodiment of the present invention is installed on the locomotive M. As shown in FIG. FIG. 3B is an exploded view showing the linkage braking device 1 of the first embodiment of the present invention. Referring to FIG. 3A and FIG. 3B , the linkage brake device 1 includes a brake wire 10 , a rocker arm bracket 20 , an elastic component 30 , a brake arm 41 and an adjusting nut 42 . The brake wire 10 includes a fixing part 11 and a screw rod 12 . The brake wire 10 passes through the rocker bracket 20 . The elastic component 30 is sleeved on the brake wire 10 , one end of the elastic component 30 is connected to the fixing member 11 , and the other end of the elastic component 30 is connected to the rocker bracket 20 . The brake arm 41 includes a pivot member 43 , wherein the brake wire 10 passes through the pivot member 43 of the brake arm 41 , and the pivot member 43 is separated from the elastic component 30 . The adjusting nut 42 is screwed to the screw rod 12 , wherein the brake arm 41 abuts against the adjusting nut 42 . The hand brake lever 96 is connected to the brake wire 10 .

Referring to FIG. 3A , in a first clearance adjustment state, the adjusting nut 42 is located at a first position P1 on the screw rod 12 , and there is a predetermined length L1 between the two ends of the elastic component 30 . 3C, in a second clearance adjustment state, the adjusting nut 42 is located at a second position P2 on the screw 12, the predetermined length L1 is still maintained between the two ends of the elastic component 30, the first The position P1 is closer to a free end 13 of the screw 12 than the second position P2.

Referring to FIG. 3A , in terms of another angle, in a first clearance adjustment state, the adjusting nut 42 is located at a first position P1 on the screw rod 12 . 3C, in a second clearance adjustment state, the adjusting nut 42 is located at a second position P2 on the screw 12, and the first position P1 is closer to a free end of the screw than the second position P2 13. In the first clearance adjustment state and the second clearance adjustment state, a fixed distance L2 is maintained between the fixing member 11 and the rocker arm bracket 20 .

Referring to FIG. 3B , in one embodiment, the fixing member 11 is a nut, the fixing member 11 is screwed on the screw rod 12 , and the fixing member 11 is separated from the pivoting member 43 . In this embodiment, the elastic component 30 is a spring, and the elastic component includes a first spring end 31 and a second spring end 32, the end of the first spring 31 abuts against the rocker bracket 20, the second spring The end 32 abuts against the fixing member 11, the first spring end 31 has a first winding diameter φ1, the second spring end 32 has a second winding diameter φ2, and the second winding diameter φ2 is smaller than the first winding diameter φ2. Winding diameter φ1.

In the first embodiment of the present invention, the elastic force provided by the elastic component 30 can be adjusted by adjusting the position of the fixing member 11 on the screw rod 12 .

Referring to FIG. 3B , in one embodiment, the interlocking brake device 1 further includes a dustproof cover 14 , the dustproof cover 14 is sheathed on part of the brake wire 10 , and the elastic component 30 surrounds the dustproof cover 14.

Referring to Fig. 4A-4C, it shows the interlock brake device 1' of the second embodiment of the present invention. In this embodiment, the fixing part 11' is a flange, and the fixing part 11' is integrally formed. formed on the screw 12. Referring to FIG. 4A , the elastic component 30 ′ includes a spring section 33 and a spring seat 34 , the spring seat 34 is formed at one end of the spring section 33 , and the other end of the spring section 33 abuts against the rocker bracket 20 , the spring seat 34 abuts against the fixing member 11'. With reference to FIG. 4B and FIG. 4C , in this embodiment, the spring seat 34 is a cup-shaped element. In terms of details, the spring seat 34 includes a central opening 341 and a notch 342, the notch 342 communicates with the central opening 341, the notch 342 has a notch width d1, and the notch width d1 is slightly larger than that of the screw rod 12. The diameter of the screw rod is φ3 (for the screw rod 12 to be placed in the central opening 341 ), and the width d1 of the notch is smaller than the width of the fixing member 11 ′. Thereby, referring to FIG. 4C , the fixing member 11' can abut against the cup-shaped structure of the spring seat 34 without falling off from the spring seat 34.

In the second embodiment of the present invention, since the fixing part 11' is integrally formed on the screw rod 12, the assembly steps can be simplified.

Applying the interlocking braking device of the embodiment of the present invention, in the first clearance adjustment state and the second clearance adjustment state, a fixed distance is maintained between the fixing part and the rocker arm bracket, so in different play In the gap adjustment state, the elastic component will not provide greater elastic force due to greater compression. Referring to Fig. 5, when the driver applies force to the handbrake lever, the rear wheel interlocking braking device will always provide braking force earlier than the front wheel interlocking braking device to improve safety.

Although in the above embodiments of the present invention, the interlocking brake device is installed on the rear wheel, however, the above disclosure does not limit the present invention. The linkage braking device of the embodiment of the utility model can be installed on the front wheel, or the front and rear wheels, or on other vehicles.

Although the utility model has been described by the embodiments, those of ordinary skill in the art know that, without departing from the spirit and essence of the utility model, the utility model can have many deformations and changes, and the scope of the utility model is defined by The appended claims are defined.

Claims (10)

1. A linkage brake device, suitable for installation on a locomotive, characterized in that it comprises: A brake wire, including a fixing piece and a screw rod; a rocker arm bracket, wherein the brake wire passes through the rocker arm bracket; An elastic component is sleeved on the brake wire, one end of the elastic component is connected to the fixing member, and the other end of the elastic component is connected to the rocker bracket; a brake arm, including a pivot piece, wherein the brake wire passes through the pivot piece of the brake arm, and the pivot piece is separated from the elastic component; and An adjusting nut is screwed on the screw rod, wherein the brake arm abuts against the adjusting nut. 2. The linkage brake device according to claim 1, characterized in that, in a first clearance adjustment state, the adjusting nut is located at a first position on the screw rod, between the two ends of the elastic component It has a predetermined length. In a second clearance adjustment state, the adjusting nut is located at a second position on the screw rod, and the predetermined length is still maintained between the two ends of the elastic component. The first position is shorter than the first position. The second position is closer to a free end of the screw rod. 3. The linkage brake device according to claim 1, characterized in that, in a first clearance adjustment state, the adjusting nut is located at a first position on the screw rod, and in a second clearance adjustment state Next, the adjusting nut is located at a second position on the screw rod, the first position is closer to a free end of the screw rod than the second position, in the first clearance adjustment state and the second clearance adjustment state Next, a fixed distance is maintained between the fixing member and the rocker arm bracket. 4. The interlocking brake device according to claim 1, wherein the fixing part is a nut, the fixing part is screwed on the screw rod, and the fixing part is separated from the pivoting part. 5. The linkage brake device according to claim 1, wherein the elastic component is a spring, the elastic component includes a first spring end and a second spring end, and the first spring end abuts against the rocker The arm bracket, the second spring end abuts against the fixing part, the first spring end has a first winding diameter, the second spring end has a second winding diameter, and the second winding diameter is smaller than the first winding diameter Winding diameter. 6 . The interlocking brake device according to claim 1 , wherein the fixing part is a flange, and the fixing part is integrally formed on the screw rod. 7 . 7. The linkage brake device according to claim 1, wherein the elastic component comprises a spring section and a spring seat, the spring seat is formed at one end of the spring section, and the other end of the spring section is Abutting against the rocker bracket, the spring seat abuts against the mount. 8. The linkage brake device as claimed in claim 7, wherein the spring seat is a cup-shaped element. 9. The linkage brake device according to claim 8, wherein the spring seat comprises a central opening and a notch, the notch communicates with the central opening, the notch has a notch width, and the notch width is larger than the A screw diameter of the screw, the width of the notch is smaller than the width of the fixing part. 10 . The interlocking brake device according to claim 1 , further comprising a dustproof cover, the dustproof cover is sheathed on part of the brake wire, and the elastic component surrounds the dustproof cover. 11 .