CN212055584U

CN212055584U - Track brake system

Info

Publication number: CN212055584U
Application number: CN201922384232.2U
Authority: CN
Inventors: 王春
Original assignee: Hubei Hualian Machinery Manufacturing Industry Co ltd
Current assignee: Hubei Hualian Machinery Manufacturing Industry Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-12-01
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a track braking system, through setting up the dwang, and the dwang both sides set up the vertical contact surface, when rotating through the dwang, can realize the increase or shrink of two brake shoe tip intervals to realize braking or break away from the brake, the dwang simple structure that sets up, convenient operation and can realize good brake braking effect; the track brake system of the utility model also comprises a brake rocker piece and a first adjusting screw rod, the rotating rod is driven to rotate by the rotation of the brake rocker piece, thus the distance between two brake shoe blocks can be increased or reduced, and the brake is realized; the utility model discloses a track braking system still includes two and gets rid of piece, apron, second regulation pole, thereby rotates through the apron and makes to get rid of the piece and remove to drive the second and adjust the pole and remove, the second is adjusted the pole and is articulated with brake rocking arm piece, so makes brake rocking arm piece rotate, thereby adjusts the distance between two brake shoes pieces, realizes the brake or breaks away from the brake.

Description

Track brake system

Technical Field

The utility model relates to a mechanical equipment technical field especially relates to a track braking system.

Background

In agricultural production, more and more rail conveyors in field sloping fields are accepted by farmers. However, in an emergency situation, the rail transport vehicle needs to be braked, but the rail transport vehicle on the market at present has poor braking performance, complex structure, complicated operation and unsafety in operation, and therefore, a rail braking system with good braking performance is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a good easy operation's of brake performance track braking system.

The technical scheme of the utility model is realized like this: the utility model provides a track braking system, including brake disc and two brake shoes, still include dwang and spring, the brake shoes is arc and relative setting in the brake disc, through spring coupling between two brake shoes, the through-hole has been seted up between the tip that lies in two brake shoes on the brake disc, outside the brake disc was worn out to the dwang warp through-hole, the dwang can be at the through-hole internal rotation, the side that the dwang corresponds two brake shoes tip is equipped with the contact surface that parallels with brake shoes side, the contact surface is laminated with the side of brake shoes tip mutually, the dwang rotates so that the distance between two brake shoes increases or reduces.

On above technical scheme's basis, it is preferred, still include the brake rocking arm piece, the tip that the dwang is located the brake disc outside is equipped with the integral key shaft, set up the internally splined hole with the looks adaptation of splined shaft on the brake rocking arm piece, the internally splined hole cover is established outside the integral key shaft, the rotation of brake rocking arm piece drives the dwang and rotates.

Further preferably, the brake shoe further comprises a positioning pin, an arc-shaped groove is formed in the side face of the other end of the brake shoe, a channel matched with the positioning pin is formed between the two arc-shaped grooves, the positioning pin is located between the two arc-shaped grooves, and the arc-shaped grooves can rotate around the periphery of the positioning pin.

Further preferably, still include first fixing base and first adjusting screw, first fixing base is installed on the brake disc, be equipped with first perforation on the first fixing base, first adjusting screw is articulated through first perforation and brake rocker arm piece tip.

Further preferred, still include and reply spring and nut, the nut spiro union is on first adjusting screw and is located the first fixing base outside, reply spring cover locate on first adjusting screw and both ends respectively with first fixing base and nut butt.

Further preferred, still include two and get rid of piece, apron, extension spring, bearing, second regulation pole, second fixing base and control rod, two are got rid of piece parallel relative setting, and two are got rid of the piece and are located the brake disc top and can rotate relative the brake disc, the bearing sets up and is getting rid of the terminal surface under the piece, the apron is located two and gets rid of between the piece, the apron can rotate relative the brake disc, set up the recess with bearing looks adaptation on the apron, the recess can slide relative to the bearing, extension spring's both ends are got rid of the piece with two respectively and are connected, the control rod is located the apron and rotates in order to drive, the second fixing base is fixed and is being got rid of piece terminal surface down, the guide hole has been seted up on the second fixing base, the second regulation pole passes the guide hole and articulates with brake.

Preferably, the brake disc further comprises a support, the support is fixed on the brake disc, a rotating shaft is arranged on the support corresponding to the throwing piece and the cover plate, and the throwing piece or the cover plate can rotate around the rotating shaft.

The utility model discloses a track braking system has following beneficial effect for prior art:

(1) the utility model discloses a track braking system, through setting up the dwang, and the dwang both sides set up the vertical contact surface, when rotating through the dwang, can realize the increase or reduce of two brake shoe tip intervals to realize the brake or break away from the brake, the dwang simple structure that sets up, convenient operation and can realize good brake braking effect;

(2) the utility model discloses a track braking system still includes brake rocker piece and first adjusting screw, sets up interior splined hole on brake rocker piece car rocking arm piece, and the bull stick tip sets up the integral key shaft, and first adjusting screw one end is articulated with brake rocker piece, rotates through brake rocker piece and thus drives the dwang and rotate, so can realize the increase or reduce of distance between two brake shoes, and then realize the brake, more conveniently adjust the distance between two brake shoes through setting up first adjusting screw, easy operation;

(3) the utility model discloses a track braking system still includes that two get rid of piece, apron, second and adjust the pole, rotates through the apron to make and get rid of the piece and remove, so, drive the second and adjust the pole and remove, the second is adjusted the pole and is articulated with brake rocker arm piece, so makes brake rocker arm piece rotate, thereby adjusts the distance between two brake shoes, realizes the brake or breaks away from the brake.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an internal three-dimensional structure of a brake disc of the track brake system of the present invention;

fig. 2 is a schematic perspective view of a rotating rod according to the present invention;

FIG. 3 is a schematic view of the connection between the brake disc and the brake rocker arm pad of the present invention;

FIG. 4 is a schematic view of the connection between the brake disc and the first adjusting screw of the present invention;

FIG. 5 is a schematic view of the connection between the brake disc and the second adjusting lever of the present invention;

FIG. 6 is a schematic view of the connection between the brake disc and the cover plate of the present invention;

fig. 7 is a schematic perspective view of the cover plate of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1-7, the utility model discloses a track braking system, include: brake disc 1, two brake shoes 2, dwang 3, spring 4, brake rocker piece 5, locating pin 6, first fixing base 7, two are got rid of piece 8 and apron 9.

The brake disc 1 is in a hollow cylindrical shape, the brake shoe block 2 is arranged in the brake disc 1, the brake shoe block 2 can move towards one side of the inner wall of the brake disc 1, and braking is achieved through increasing of tightly-fitted friction force between the brake shoe block 2 and the inner wall of the brake disc 1.

Brake shoe 2, it sets up in brake disc 1, and two brake shoes 2 are the arc, and in this application, two brake shoes 2 set up in brake disc 1 relatively, and two brake shoes 2 wherein the side of one end and 1 bottom surface mutually perpendicular of brake disc are equipped with spring 4 between two brake shoes 2.

A rotating rod 3 arranged between the two brake shoe blocks 2, specifically, a through hole is arranged on the brake disc 1 between one end of the two brake shoe blocks 2, the rotating rod 3 is arranged in the through hole, one end of the rotating rod 3 extends into the brake disc 1 through the through hole, the other end of the rotating rod extends out of the brake disc 1 through the through hole, the side surfaces of the part of the side walls of the rotating rod 1, which are arranged in the brake disc 1, corresponding to one end of the brake shoe blocks 2 are all provided with contact surfaces 31, the contact surfaces 31 are vertically arranged, the contact surfaces 31 are all parallel and attached to the side surfaces of one end of the brake shoe blocks 2, namely, when the rotating rod 3 rotates until the contact surfaces 31 are parallel to the side surfaces of one end of the brake shoe blocks 2, the contact surfaces 31 are contacted and attached to the side surfaces of one end of the brake shoe blocks 2, when the rotating rod 3 continues to rotate, the contact surfaces 31 are separated from the side surfaces of, the brake shoe blocks 2 move towards the inner wall direction of the brake disc 1, the distance between the two brake shoe blocks 2 is gradually increased, the brake shoe blocks 2 are contacted with the brake disc 1 and are gradually abutted, so that the friction force between the brake shoe blocks 2 and the brake disc 1 is increased, and the brake is realized; when the contact surface 31 rotates to be perpendicular to the side surfaces of the brake shoes 2, the distance between the two brake shoes 2 is the largest, and the brake shoes 2 are attached to the brake disc 1 most tightly, it can be understood that when the contact surface 31 is attached to the side surface of one end of the brake shoe 2, the distance between the two brake shoes 2 is the smallest, and the conveyor is in a running state. In practice, the other ends of the two brake shoes 2 are hinged to each other. When the rotating rod 3 rotates to the contact surface 31 and rotates to be perpendicular to the side surface of the brake shoe 2, the rotating rod 3 continues to rotate, and because the spring 4 is arranged between the two brake shoes 2, the two brake shoes 2 gradually move and are close to and return to the original state under the action of the restoring force of the spring 4.

In order to facilitate making dwang 3 rotate, still include brake rocker piece 5, brake rocker piece 5 is located outside brake disc 1, the tip that stretches out brake disc 1 outside at dwang 3 sets up integral key shaft 32, and set up the internal spline hole with integral key shaft 32 looks adaptation on brake rocker piece 5, the internal spline hole cover is established outside integral key shaft 32, thereby rotate through brake rocker piece 5 and drive dwang 3 and rotate, so can realize the increase of distance between two brake hoof pieces 2 or reduce, and then realize the brake.

Locating pin 6, it sets up for the convenience to make dwang 3 rotate, it is concrete, all be equipped with arc wall 21 in the other end side of two brake shoe blocks 2, form the passageway with 6 looks adaptations of locating pin between two

arc walls

21, 6 fixed mounting of locating pin just are located between two arc walls 21 in brake disc 1, increase or reduce the in-process at 2 one end intervals of brake shoe block, arc wall 21 can rotate around 6 peripheries of locating pin, in practice, the one end of locating pin 6 still is equipped with the position cap, the diameter of position cap is greater than the diameter of locating pin 6, and the arc wall 21 lateral wall is inwards sunken, form the cavity with position cap looks adaptation between two caves, so the position cap is injectd locating pin 6 between two arc walls 21.

First fixing base 7, it is used for installing first adjusting screw 71, and first fixing base 7 is installed on brake disc 1, is equipped with first perforation on the first fixing base 7, and first adjusting screw 71 is articulated with 5 tip of brake rocker arm piece through first perforation. Through first adjusting screw 71 along first perforation round trip movement, so, promote brake rocker piece 5 and rotate to promote the dwang 3 and rotate, realize the brake, in this application, as shown in fig. 4, first adjusting screw 71 moves left then between two brake shoes 2 interval diminishes the conveyer and breaks away from the brake state gradually and becomes the running state, moves right then between two brake shoes 2 interval grow conveyer and gradually becomes the brake state when first adjusting screw 71.

Further, the adjusting device further comprises a return spring 72 and a nut 73, the nut 73 is screwed on the first adjusting screw 71 and is located outside the first fixing seat 7, the return spring 72 is sleeved on the first adjusting screw 71, two ends of the return spring are respectively abutted to the first fixing seat 7 and the nut 73, in practice, a spring plug can be sleeved on the first adjusting screw 71, two ends of the return spring 72 are abutted to the spring plug, then one of the spring plugs is abutted to the first fixing seat 7, the other spring plug is abutted to the nut 73, and by arranging the return spring 72, the first adjusting screw 71 can move rightwards under the action of the return spring 72 after moving leftwards.

The brake disc also comprises two throwing pieces 8, a cover plate 9, an extension spring 91, a bearing 92, a second adjusting rod 93, a second fixed seat 94 and an operating rod 95, wherein the two throwing pieces 8 are oppositely arranged in parallel, the two throwing pieces 8 are positioned above the brake disc 1 and can rotate relative to the brake disc 1, the two throwing pieces 8 are positioned on the other side of the first fixed seat 7 of the brake disc 1, the bearing 92 is arranged on the lower end surface of each throwing piece 8, namely the bearing 92 is arranged on the lower end surface of each throwing piece 8, the cover plate 9 is positioned between the two throwing pieces 8, the cover plate 9 can rotate relative to the brake disc 1, the cover plate 9 is provided with grooves 96 matched with the bearing 92, as shown in figure 7, the number of the grooves 96 is five, the grooves 96 can slide relative to the bearing 92, two ends of the extension spring 91 are respectively connected with the two throwing pieces 8, the operating rod 95 is fixedly arranged on the cover plate 9, the operating rod 95 can drive the cover plate 9, the second fixing seat 94 is provided with a guide hole, the second adjusting rod 93 penetrates through the guide hole and is hinged with the brake rocker 5, in the scheme, the cover plate 9 is driven by rotating the operating rod 95, so that the two bearings 92 are simultaneously positioned in the groove 96 on the cover plate 9, at the moment, the conveyor is in a brake state, when the operating rod 95 is continuously rotated, the distance between the two throwing plates 8 is enlarged when the groove 96 slides away from the bearing 92, thereby the second adjusting rod 93 moves leftwards, the conveyor with the reduced distance between the two brake shoes 2 is gradually separated from the brake state to become an operating state, then the operating rod 95 is continuously rotated, the bearing 92 gradually slides into the groove 96 under the action of the tensile force of the tension spring 91, the distance between the two throwing plates 8 is gradually reduced, the second adjusting rod 93 moves rightwards, and the conveyor with the increased distance between the two brake shoes 2 is gradually changed into the brake state, meanwhile, the return spring 72 on the first adjusting screw 71 pulls the brake rocker piece back to the braking state, and the brake shoe 2 is opened.

Furthermore, the brake disc further comprises a support 11, the support 11 is fixed on the brake disc 1, rotating shafts are arranged on the support 11 corresponding to the throwing pieces 8 and the cover plate 9, and the throwing pieces 8 or the cover plate 9 can rotate around the rotating shafts.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A track brake system, includes brake disc (1) and two brake shoes (2), its characterized in that: still include dwang (3) and spring (4), brake shoe (2) are arc and relative setting in brake disc (1), connect through spring (4) between two brake shoe (2), the through-hole has been seted up between the tip that lies in two brake shoe (2) on brake disc (1), dwang (3) wear out brake disc (1) outward through the through-hole, dwang (3) can be at the through-hole internal rotation, the side that dwang (3) correspond two brake shoe (2) tip is equipped with contact surface (31) that parallel with brake shoe (2) side, contact surface (31) laminate mutually with the side of brake shoe (2) tip, dwang (3) rotate so that the distance between two brake shoe (2) increases or reduces.

2. The track brake system of claim 1, wherein: still include brake rocker piece (5), the tip that dwang (3) are located brake disc (1) outside is equipped with integral key shaft (32), set up the internal spline hole with integral key shaft (32) looks adaptation on brake rocker piece (5), the internal spline hole cover is established outside integral key shaft (32), brake rocker piece (5) are rotated and are driven dwang (3) and rotate.

3. The track brake system of claim 2, wherein: still include locating pin (6), arc wall (21) have been seted up to brake shoe (2) other end side, form the passageway with locating pin (6) looks adaptation between two arc walls (21), and locating pin (6) are located between two arc walls (21), and arc wall (21) can rotate around locating pin (6) periphery.

4. The track brake system of claim 2, wherein: still include first fixing base (7) and first adjusting screw (71), install on brake disc (1) first fixing base (7), be equipped with first perforation on first fixing base (7), first adjusting screw (71) are through first perforation and brake swing arm piece (5) tip articulated.

5. The track brake system of claim 4, wherein: still include answer spring (72) and nut (73), nut (73) spiro union is on first adjusting screw (71) and is located first fixing base (7) outside, answer spring (72) cover locate on first adjusting screw (71) and both ends respectively with first fixing base (7) and nut (73) butt.

6. The track brake system of claim 2, wherein: the brake disc is characterized by further comprising two throwing pieces (8), a cover plate (9), an extension spring (91), a bearing (92), a second adjusting rod (93), a second fixing seat (94) and an operating rod (95), wherein the two throwing pieces (8) are arranged oppositely in parallel, the two throwing pieces (8) are positioned above the brake disc (1) and can rotate relative to the brake disc (1), the bearing (92) is arranged on the lower end face of the throwing piece (8), the cover plate (9) is positioned between the two throwing pieces (8), the cover plate (9) can rotate relative to the brake disc (1), a groove (96) matched with the bearing (92) is formed in the cover plate (9), the groove (96) can slide relative to the bearing (92), two ends of the extension spring (91) are respectively connected with the two throwing pieces (8), the operating rod (95) is positioned on the cover plate (9) to drive the cover plate (9) to rotate, the second fixing seat (94) is fixed on the lower end face of the throwing piece (8), the second fixed seat (94) is provided with a guide hole, and the second adjusting rod (93) penetrates through the guide hole and is hinged with the brake rocker arm piece (5).

7. The track brake system of claim 2, wherein: the brake disc is characterized by further comprising a support (11), the support (11) is fixed on the brake disc (1), rotating shafts are arranged on the support (11) corresponding to the throwing pieces (8) and the cover plate (9), and the throwing pieces (8) or the cover plate (9) can rotate around the rotating shafts.