CN212868245U

CN212868245U - Intermediate shaft brake assembly

Info

Publication number: CN212868245U
Application number: CN202021706523.5U
Authority: CN
Inventors: 杨勇; 周浩; 庾岭祥; 钱磊
Original assignee: Nexter Power Technology Wuxi Co ltd
Current assignee: Nexter Power Technology Wuxi Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-02
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a jackshaft stopper assembly, its technical scheme is: the power distribution box comprises a box body, the inside jackshaft body that is equipped with of box, the jackshaft body extends the box outside, jackshaft body external fixation is equipped with first gear and second gear, first gear one side is located to the second gear, jackshaft body top and bottom all are equipped with arrestment mechanism, the beneficial effects of the utility model are that: through arrestment mechanism's design, can drive square pole through the jackshaft body and rotate, rotate through square pole and can drive the connecting plate at first telescopic link top and the continuous and jackshaft body contact of first brake block to this resistance when increasing the jackshaft body and rotating, so as to brake for the jackshaft body, as long as when the jackshaft body rotates, the utility model discloses a braking effect teaching can take effect, has avoided when the stopper breaks down, the problem of the possibility greatly increased of taking place the incident.

Description

Intermediate shaft brake assembly

Technical Field

The utility model relates to a jackshaft stopper technical field, concretely relates to jackshaft stopper assembly.

Background

The intermediate shaft is a shaft in an automobile gearbox, the shaft and a gear are integrated, the effect is to connect the shaft and the two shafts, the two shafts are meshed with different gears through the transformation of a gear shift lever, so that the two shafts can output different rotating speeds, steering and torque, the two shafts are called as pagoda teeth because the two shafts are shaped like a tower, the natural frequency of the intermediate shaft is reduced to some extent along with the increase of the factory life of the intermediate shaft, the reduction range is smaller, the natural frequency of the intermediate shaft is reduced by 1.2% at most, the middle high level of the reduction range of the first 4-order natural frequency is larger than the low level, but the change of the reduction rate is not regular, the surface hardness at different cross sections is slightly changed, the intermediate shaft has the trend of increasing firstly and then reducing, and more than 60% of residual life of the intermediate shaft can be preliminarily deduced according to the change.

The prior art has the following defects: brake among the prior art is when using, mostly all need drive through electric power energy or other energy, leads to when the brake breaks down, and can't brake the countershaft, leads to because when the brake breaks down, the possibility greatly increased that takes place the incident.

Therefore, the invention is necessary to develop an intermediate shaft brake assembly.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an intermediate shaft stopper assembly, through arrestment mechanism's design, as long as when the jackshaft body rotates, the utility model discloses a braking effect teaching can take effect, has avoided when the stopper breaks down, the problem of the possibility greatly increased of taking place the incident to when solving the stopper and breaking down, the problem of the possibility greatly increased of taking place the incident.

In order to achieve the above object, the present invention provides the following technical solutions: a middle shaft brake assembly comprises a box body, wherein a middle shaft body is arranged inside the box body, the middle shaft body extends out of the box body, a first gear and a second gear are fixedly arranged outside the middle shaft body, the second gear is arranged on one side of the first gear, and the top and the bottom of the middle shaft body are respectively provided with a brake mechanism;

the brake mechanism comprises a square rod, the square rod is arranged at the bottom of the intermediate shaft body, a sleeve is sleeved outside the square rod, a third gear is fixedly arranged outside the sleeve, the third gear is arranged at the bottom of the first gear and meshed with the first gear, a fourth gear is fixedly arranged outside the sleeve and arranged at the bottom of the second gear, a vertical plate is arranged outside the sleeve, the vertical plate is connected with the sleeve through a bearing, and an electric cylinder is fixedly arranged on one side of the vertical plate;

the brake mechanism still includes the braking subassembly, the braking subassembly includes four first telescopic links, four first telescopic link is all fixed to be located outside the square pole, first telescopic link outside is equipped with first spring, the fixed connecting plate that is equipped with in first telescopic link top, the fixed first brake block that is equipped with in connecting plate top, first brake block cross sectional shape is established to the arc.

Preferably, a supporting plate is fixedly arranged at the bottom of the inner cavity of the box body, and one end of the electric cylinder is fixedly connected with the supporting plate.

Preferably, two ends of the square rod are respectively connected with two side walls of the inner cavity of the box body through bearings.

Preferably, the first spring is fixedly connected with the top of the first telescopic rod, and the bottom of the first spring is fixedly connected with the bottom of the first telescopic rod.

Preferably, the brake assembly comprises four second telescopic rods, four the second telescopic rods are all fixedly arranged outside the square rods, second springs are arranged outside the second telescopic rods, connecting plates are fixedly arranged at the tops of the second telescopic rods, second brake pads are fixedly arranged at the tops of the connecting plates, and the cross sections of the second brake pads are trapezoidal.

Preferably, the second spring is fixedly connected with the top of the second telescopic rod, and the bottom of the second spring is fixedly connected with the bottom of the second telescopic rod.

The utility model has the advantages that:

1. the utility model discloses a brake mechanism's design can drive square pole through the jackshaft body and rotate, can drive the connecting plate at first telescopic link top and the continuous and jackshaft body contact of first brake block through square pole rotation, increase the resistance when the jackshaft body rotates with this, so as to brake for the jackshaft body, as long as when the jackshaft body rotates, the utility model discloses a braking effect teaching can take effect, has avoided when the stopper breaks down, the problem that the possibility of taking place the incident greatly increases;

2. the utility model discloses a brake assembly's design, can be bigger by the contact surface between second brake block and the jackshaft body for braking effect when braking the jackshaft body is more.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a cross-sectional view provided by the present invention;

fig. 3 is a perspective view of a connection plate provided by the present invention;

fig. 4 is a cross-sectional view of embodiment 2 provided by the present invention;

figure 5 is a perspective view of a connector tile according to the present invention;

in the figure: the automatic brake comprises a box body 1, a middle shaft body 2, a first gear 3, a second gear 4, a square rod 5, a sleeve 6, a third gear 7, a fourth gear 8, a vertical plate 9, an electric cylinder 10, a first telescopic rod 11, a first spring 12, a connecting plate 13, a first brake pad 14, a support plate 15, a second spring 16, a second telescopic rod 17, a connecting plate 18 and a second brake pad 19.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1-3, the utility model provides a pair of jackshaft brake assembly, including

box

1, 1 inside jackshaft body 2 that is equipped with of box, jackshaft body 2 extends the 1 outsides of box, 2 external fixation of jackshaft body is equipped with first gear 3 and second gear 4, first gear 3 one side is located to

second gear

4, 2 tops of jackshaft body and bottom all are equipped with arrestment mechanism

The brake mechanism comprises a square rod 5, the square rod 5 is arranged at the bottom of the intermediate shaft body 2, a sleeve 6 is sleeved outside the square rod 5, a third gear 7 is fixedly arranged outside the sleeve 6, the third gear 7 is arranged at the bottom of the first gear 3 and meshed with the first gear 3, a fourth gear 8 is fixedly arranged outside the sleeve 6, the fourth gear 8 is arranged at the bottom of the second gear 4, a vertical plate 9 is arranged outside the sleeve 6, the vertical plate 9 is connected with the sleeve 6 through a bearing, and an electric cylinder 10 is fixedly arranged on one side of the vertical plate 9;

the brake mechanism still includes the braking subassembly, the braking subassembly includes four first telescopic links 11, four first telescopic link 11 is all fixed to be located square pole 5 outsidely, 11 outsidess of first telescopic link are equipped with

first spring

12, 11 top fixed connecting plates 13 that are equipped with of first telescopic link, 13 fixed first brake pads 14 that are equipped with in connecting plates top, 14 cross sectional shape of first brake pads are established to the arc.

Furthermore, a supporting plate 15 is fixedly arranged at the bottom of the inner cavity of the box body 1, and one end of the electric cylinder 10 is fixedly connected with the supporting plate 15, so that the electric cylinder 10 is convenient to fix.

Furthermore, the two ends of the square rod 5 are respectively connected with the two side walls of the inner cavity of the box body 1 through bearings, so that the square rod 5 can rotate conveniently.

Further, the first spring 12 is fixedly connected with the top of the first telescopic rod 11, and the bottom of the first spring 12 is fixedly connected with the bottom of the first telescopic rod 11, so that the first spring 12 is fixed conveniently.

The utility model discloses a use as follows: when the utility model is used, when the intermediate shaft body 2 rotates, the intermediate shaft body 2 drives the first gear 3 to rotate, the first gear 3 rotates to drive the third gear 7, the third gear 7 rotates to drive the sleeve 6 to rotate, the sleeve 6 rotates to drive the square rod 5 to rotate, the square rod 5 rotates to drive the first telescopic rod 11 to rotate, the first telescopic rod 11 rotates to drive the connecting plate 13 to rotate, the connecting plate 13 rotates to enable the first brake block 14 at the top of the connecting plate 13 to be continuously contacted with the intermediate shaft body 2, through the design of the first spring 12, the brake block can be better contacted with the intermediate shaft body 2, when the speed of the intermediate shaft body 2 rotating is faster, the electric cylinder 10 can be started when the intermediate shaft body 2 needs to be braked more rapidly, the electric cylinder 10 works to drive the vertical plate 9 to move rightwards, the vertical plate 9 moves rightwards to drive the sleeve 6 to move right, sleeve 6 moves right and drives third gear 7 and fourth gear 8 and move right, make third gear 7 no longer with first gear 3 meshing, make fourth gear 8 mesh with second gear 4 mutually, because second gear 4 diameter is greater than fourth gear 8, so fourth gear 8 slew velocity is faster, and then make sleeve 6's slew velocity faster, it is faster to make square pole 5 drive a plurality of first telescopic link 11 pivoted speeds, and then make first brake block 14 more frequent with the contact of jackshaft body 2, make jackshaft body 2's braking effect better.

Embodiment 2, refer to fig. 3-4, the utility model provides a pair of jackshaft brake assembly, the braking subassembly includes four second telescopic links 17, four the second telescopic link 17 is all fixed to be located square pole 5 outsidely, second telescopic link 17 outside is equipped with

second spring

16, 17 fixed joint plates 18 that are equipped with in top of second telescopic link, 18 fixed second brake pads 19 that are equipped with in top of joint plates, 19 cross sectional shape of second brake pads establish to trapezoidal.

Further, the second spring 16 is fixedly connected with the top of the second telescopic rod 17, and the bottom of the second spring 16 is fixedly connected with the bottom of the second telescopic rod 17.

The utility model discloses a use as follows: use the utility model discloses the time, through brake assembly's design, can be bigger by the contact surface between second brake block 19 and the jackshaft body 2 for braking effect when braking jackshaft body 2 is more.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides an intermediate shaft brake assembly, includes box (1), its characterized in that: the middle shaft is characterized in that a middle shaft body (2) is arranged inside the box body (1), the middle shaft body (2) extends out of the box body (1), a first gear (3) and a second gear (4) are fixedly arranged outside the middle shaft body (2), the second gear (4) is arranged on one side of the first gear (3), and braking mechanisms are arranged at the top and the bottom of the middle shaft body (2);

the brake mechanism comprises a square rod (5), the square rod (5) is arranged at the bottom of the intermediate shaft body (2), a sleeve (6) is sleeved outside the square rod (5), a third gear (7) is fixedly arranged outside the sleeve (6), the third gear (7) is arranged at the bottom of the first gear (3) and meshed with the first gear (3), a fourth gear (8) is fixedly arranged outside the sleeve (6), the fourth gear (8) is arranged at the bottom of the second gear (4), a vertical plate (9) is arranged outside the sleeve (6), the vertical plate (9) is connected with the sleeve (6) through a bearing, and an electric cylinder (10) is fixedly arranged on one side of the vertical plate (9);

the brake mechanism still includes braking component, braking component includes four first telescopic link (11), four first telescopic link (11) are all fixed and are located square pole (5) outside, first telescopic link (11) outside is equipped with first spring (12), fixed connecting plate (13) that are equipped with in first telescopic link (11) top, fixed first brake block (14) that are equipped with in connecting plate (13) top, first brake block (14) cross sectional shape establishes to the arc.

2. An intermediate shaft brake assembly as defined in claim 1, wherein: the bottom of the inner cavity of the box body (1) is fixedly provided with a supporting plate (15), and one end of the electric cylinder (10) is fixedly connected with the supporting plate (15).

3. An intermediate shaft brake assembly as defined in claim 1, wherein: two ends of the square rod (5) are respectively connected with two side walls of the inner cavity of the box body (1) through bearings.

4. An intermediate shaft brake assembly as defined in claim 1, wherein: the first spring (12) is fixedly connected with the top of the first telescopic rod (11), and the bottom of the first spring (12) is fixedly connected with the bottom of the first telescopic rod (11).

5. An intermediate shaft brake assembly as defined in claim 1, wherein: the brake assembly includes four second telescopic links (17), four square pole (5) outside is all fixed to second telescopic link (17) locating, second telescopic link (17) outside is equipped with second spring (16), second telescopic link (17) top is fixed and is equipped with connection board (18), connection board (18) top is fixed and is equipped with second brake block (19), second brake block (19) cross sectional shape establishes to trapezoidal.

6. An intermediate shaft brake assembly as defined in claim 5 wherein: the second spring (16) is fixedly connected with the top of the second telescopic rod (17), and the bottom of the second spring (16) is fixedly connected with the bottom of the second telescopic rod (17).