CN217864071U

CN217864071U - Brake control mechanism with good stability

Info

Publication number: CN217864071U
Application number: CN202123417342.8U
Authority: CN
Inventors: 陶伟龙
Original assignee: Guangxi Yulin Degao Machinery Co ltd
Current assignee: Guangxi Yulin Degao Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-22
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a brake control mechanism that stability is good, including the track frame who supports the gearbox, the both ends slip of track frame both sides is equipped with two slide shafts, two the outer end of slide shaft is equipped with the brake pad that suits with the wheel hub face of drive wheel, two the inner end of slide shaft is connected with the connecting plate, the both ends of track frame both sides are equipped with vertical layout's spout, be equipped with the slider on the spout, be equipped with the cambered surface recess on the lateral surface of slider, the both ends of connecting plate be equipped with the bulb that the cambered surface recess suited, the both ends of gearbox both sides are rotated and are equipped with the crank, on the crank articulated be equipped with slider articulated push-and-pull rod, with two of one side be equipped with the connecting rod between the crank, be located the front end articulated brake pull rod that is equipped with on the crank. The utility model discloses a good brake control mechanism of stability belongs to farming machinery technical field, and brake effect is good, can also guarantee the life of bearing.

Description

Brake control mechanism with good stability

Technical Field

The utility model discloses a brake control mechanism that stability is good relates to agro-farming machinery technical field, and more specifically the utility model relates to a brake control mechanism that stability is good.

Background

According to the traditional rotary tillage farming machine, during braking, the brake pad mechanism is controlled to be arranged above the frame beam, the brake pad extrudes the upper portion of a hub of the driving wheel, so that the driving wheel is stopped rotating due to friction resistance, and the top of the hub is easy to incline outwards due to the fact that the brake pad extrudes the upper portion of the hub, so that a bearing of a rotating shaft is easy to damage, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a brake control mechanism that stability is good.

In order to realize the above object, the utility model provides a brake control mechanism that stability is good, including the track frame who supports the gearbox, the both sides of track frame are equipped with the grip slipper of the bearing frame that supports gearbox both sides drive wheel, the both ends slip of track frame both sides be equipped with two with the pivot parallel arrangement's of drive wheel slide-spindle, two the outer end of slide-spindle is equipped with the brake pad that suits with the wheel hub face of drive wheel, the inner pot head of slide-spindle is equipped with reset spring, two the inner end of slide-spindle is connected with the connecting plate, the both ends of track frame both sides are equipped with vertical layout's spout, be equipped with the slider on the spout, be equipped with the cambered surface recess on the lateral surface of slider, the both ends of connecting plate be equipped with the bulb that the cambered surface recess suited, the both ends of gearbox both sides rotate be equipped with the crank, on the crank articulated be equipped with slider articulated push-pull rod with two of one side be equipped with the connecting rod between the crank, be located the front end the articulated brake pull rod that is equipped with on the crank.

Furthermore, the crawler frame comprises two longitudinal beams arranged in parallel and two cross beams arranged at two ends of the two longitudinal beams, and the clamping seats are arranged on the two cross beams.

Furthermore, a supporting seat for supporting the sliding shaft is arranged on the cross beam, the sliding shaft penetrates through the supporting seat in a sliding mode, a bushing connected with the sliding shaft in a sliding mode is arranged on the supporting seat, and the reset spring is arranged between the connecting plate and the supporting seat.

Furthermore, the connecting plate is provided with a through hole for the rotating shaft of the driving wheel to pass through.

Furthermore, the bulb is hemispherical, a first screw connected with the connecting plate is arranged on the bulb, and the spherical surface of the bulb is abutted to the outer side surface of the sliding block.

Has the advantages that:

compared with the prior art, the utility model discloses a good brake control mechanism of stability's beneficial effect as follows:

the utility model discloses a good brake control mechanism of stability, the both sides that lie in the pivot of drive wheel on the track frame set up two sliding shafts and the brake pad of symmetrical arrangement and extrude the wheel hub face of drive wheel, guarantee that the extrusion force both ends that the wheel hub of drive wheel received are parallel, are difficult to take place the incline, and in addition, the sliding shaft, the brake pad highly almost the same with the pivot height of drive wheel, when extruding the wheel hub, can not cause the outside incline of drive wheel, guarantee the life of bearing.

Drawings

Fig. 1 is a schematic structural view of the brake control mechanism with good stability of the present invention;

FIG. 2 is a partial structural plan view of the brake control mechanism with good stability of the present invention;

FIG. 3 is a side view of the structure of the track frame and the clamping base of the present invention;

fig. 4 is a side view of the structure of the middle slider of the present invention.

In the figure: 1. a gearbox; 2. a track frame; 3. a drive wheel; 4. a bearing seat; 5. a clamping seat; 6. a slide shaft; 7. a brake pad; 8. a return spring; 9. a connecting plate; 10. a chute; 11. A slider; 12. a cambered surface groove; 13. a ball head; 14. a crank; 15. a push-pull rod; 16. a connecting rod; 17. a brake pull rod; 18. a stringer; 19. a cross beam; 20. a supporting seat; 21. a bushing; 23. A first screw.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

The specific implementation manner of the utility model is as follows: as shown in fig. 1-4, a brake control mechanism with good stability includes a track frame 2 supporting a transmission case 1, two sides of the track frame 2 are provided with clamping seats 5 supporting bearing seats 4 of driving wheels 3 on two sides of the transmission case 1, two ends of two sides of the track frame 2 are slidably provided with two sliding shafts 6 arranged in parallel with a rotating shaft of the driving wheels 3, the sliding shafts 6 are located outside the clamping seats 5, outer ends of the two sliding shafts 6 are provided with brake pads 7 adapted to a hub surface of the driving wheels 3, an inner end of each sliding shaft 6 is sleeved with a return spring 8, inner ends of the two sliding shafts 6 are connected with a connecting plate 9, two ends of two sides of the track frame 2 are provided with sliding chutes 10 arranged vertically, the sliding chutes 10 are provided with sliders 11, outer side surfaces of the sliders 11 are provided with arc grooves 12, two ends of the connecting plate 9 are provided with ball heads 13 adapted to the arc grooves 12, two ends of two sides of the transmission case 1 are rotatably provided with cranks 14, the cranks 14 are hinged with push-pull rods 15 hinged to the sliders 11, a connecting rod 16 is arranged between the two cranks 14 on the same side, and a brake pull rod 17 is hinged to the crank 14 located at the front end.

In this brake control mechanism that stability is good, two sliding shaft 6 and brake pad 7 that lie in the both sides of the pivot of drive wheel 3 on crawler frame 2 and set up symmetrical arrangement extrude the wheel hub face of drive wheel 3, it is effectual to brake, guarantee that the extrusion force both ends that the wheel hub of drive wheel 3 received are parallel, be difficult to take place the incline, and, sliding shaft 6, the height of brake pad 7 is almost the same with the pivot height of drive wheel 3, when the wheel hub extrudees, can not cause drive wheel 3 outwards incline, guarantee the life of bearing.

An operator can pull the brake pull rod 17 to drive the crank 14 to rotate, the crank 14 rotates to drive the slide block 11 to slide upwards, so that the cambered surface groove 12 of the slide block 11 is driven to extrude the bulb 13, the bulb 13 and the connecting plate 9 move outwards, the sliding shaft 6 and the brake pad 7 on the connecting plate 9 extrude the hub surface of the driving wheel 3, the brake of the farming machine is realized, the brake effect is good, the brake is rapid, and the operation is convenient.

In this embodiment, the sliding groove 10 is a T-shaped groove structure, two end faces of the sliding block 11 protrude to form a clamping block which is clamped with the T-shaped groove, and the sliding block 11 is limited by the clamping block and the sliding groove 10, so that the sliding block 11 is guaranteed to stably slide up and down.

In the present embodiment, the track frame 2 includes two longitudinal beams 18 arranged in parallel and two cross beams 19 provided at both ends of the two longitudinal beams 18, and the holder 5 is provided on the two cross beams 19.

In this embodiment, the cross beam 19 of the sliding chute 10 is provided with a support seat 20 for supporting the sliding shaft 6, the sliding shaft 6 is disposed by sliding through the support seat 20, the support seat 20 is provided with a bushing 21 slidably connected with the sliding shaft 6, the bushing 21 has a function of reducing friction, so as to slow down the wear rate of the sliding shaft 6, and the return spring 8 is disposed between the connecting plate 9 and the support seat 20.

In this embodiment, the connecting plate 9 is provided with a through hole for the rotation shaft of the driving wheel 3 to pass through.

In this embodiment, bulb 13 is hemispherical, is equipped with the first screw rod 23 of being connected with connecting plate 9 on the bulb 13, and the sphere of bulb 13 and the lateral surface butt of slider 11, bulb 13 are through first screw rod 23 and connecting plate 9 high-speed joint, and it is convenient to dismantle the change.

In this embodiment, the inner end of the sliding shaft 6 is provided with a second screw rod penetrating through the connecting plate 9, the second screw rod is provided with two positioning nuts respectively corresponding to two side surfaces of the connecting plate 9, and the position of the connecting plate 9 can be adjusted by adjusting the positions of the positioning nuts, so that the ball head 13 on the connecting plate 9 can be matched with the arc-shaped groove 12 on the sliding block 11.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. A brake control mechanism with good stability comprises a crawler frame (2) supporting a gear box (1), it is characterized in that clamping seats (5) for supporting bearing seats (4) at two sides of the gearbox (1) are arranged at two sides of the crawler frame (2), two sliding shafts (6) which are arranged in parallel with a rotating shaft of the driving wheel (3) are arranged at two ends of two sides of the crawler frame (2) in a sliding way, brake pads (7) which are matched with a hub surface of the driving wheel (3) are arranged at the outer ends of the two sliding shafts (6), the inner ends of the sliding shafts (6) are sleeved with return springs (8), the inner ends of the two sliding shafts (6) are connected with connecting plates (9), the two ends of the two sides of the track frame (2) are provided with sliding chutes (10) which are vertically arranged, a sliding block (11) is arranged on the sliding groove (10), a cambered surface groove (12) is arranged on the outer side surface of the sliding block (11), two ends of the connecting plate (9) are provided with ball heads (13) which are matched with the cambered surface grooves (12), two ends of two sides of the gear box (1) are rotatably provided with cranks (14), the crank (14) is hinged with a push-pull rod (15) hinged with the sliding block (11), a connecting rod (16) is arranged between the two cranks (14) on the same side, and the crank (14) positioned at the front end is hinged with a brake pull rod (17).

2. A stable brake control mechanism according to claim 1, characterized in that the track frame (2) comprises two longitudinal beams (18) arranged in parallel and two cross beams (19) arranged at two ends of the two longitudinal beams (18), and the clamping seat (5) is arranged on the two cross beams (19).

3. The brake control mechanism with good stability as claimed in claim 2, wherein the cross beam (19) is provided with a support seat (20) for supporting the sliding shaft (6), the sliding shaft (6) is slidably disposed through the support seat (20), the support seat (20) is provided with a bushing (21) slidably connected with the sliding shaft (6), and the return spring (8) is disposed between the connecting plate (9) and the support seat (20).

4. A stable brake control mechanism according to claim 3, wherein the connecting plate (9) is provided with a through hole for the rotation shaft of the driving wheel (3) to pass through.

5. The brake control mechanism with good stability as claimed in claim 3, wherein the ball head (13) is hemispherical, the ball head (13) is provided with a first screw rod (23) connected with the connecting plate (9), and a spherical surface of the ball head (13) is abutted against an outer side surface of the sliding block (11).