CN217130156U

CN217130156U - Hydraulic brake for highway engineering machinery

Info

Publication number: CN217130156U
Application number: CN202221036570.2U
Authority: CN
Inventors: 任连文
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-04
Filing date: 2022-05-04
Publication date: 2022-08-05
Anticipated expiration: 2032-05-04

Abstract

The utility model relates to a fluid pressure type stopper technical field, especially a highway engineering machinery is with fluid pressure type stopper. The utility model has the advantages that: through having set up fixed frame, the fixedly connected with hydraulic press of center department of fixed frame both sides, the equal fixedly connected with of the promotion end of two hydraulic presses presss from both sides tight piece, the center department of the corresponding side of two tight pieces has all been seted up and has been embraced the groove tightly, the inner wall fixedly connected with damping fin of embracing the groove tightly, the guiding hole has all been seted up to the center department of the corresponding side both sides of two tight pieces tightly, when making the hydraulic press promote to press from both sides tight piece and press from both sides tight power shaft, make the roller of embracing on embracing tightly the frame contact before the power shaft, make the power shaft drive when rotating and embrace tight roller rotation, embrace the damping fin and embrace tight roller contact of inslot wall tightly simultaneously, the rotation resistance of roller is embraced in the increase gradually, thereby progressively increase the resistance of embracing tightly of power shaft, realize progressively embracing tightly the roller, progressively embrace fixed power shaft tightly, improve the stationarity of braking, reduce wearing and tearing, and improve the practicality.

Description

Hydraulic brake for highway engineering machinery

Technical Field

The utility model relates to a fluid pressure type stopper technical field, especially a highway engineering machinery is with fluid pressure type stopper.

Background

The brake is a braking device, is mainly used for mechanical braking of a mechanical driving device, and is a mechanical part for stopping or decelerating a moving part in a machine. However, the conventional hydraulic brake for road construction machinery has the following problems in use:

at present, hydraulic brakes for highway engineering machinery are mostly used for pushing brake shoes to directly lock a driving shaft through a hydraulic machine, so that the driving shaft is directly locked, friction is increased instantly, abrasion is large, and braking stability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a highway is fluid pressure type stopper for engineering machine tool, effectively solved prior art's not enough.

The purpose of the utility model is realized through the following technical scheme: a hydraulic brake for road engineering machinery comprises a fixed frame, hydraulic presses are fixedly connected at the centers of two sides of the fixed frame, clamping blocks are fixedly connected at the pushing ends of the two hydraulic presses, clamping grooves are formed in the centers of one corresponding side surfaces of the two clamping blocks, the inner wall of the holding groove is fixedly connected with a damping sheet, the centers of two sides of one corresponding side surface of the two clamping blocks are respectively provided with a guide hole, the insides of the two guide holes are respectively connected with a guide post in a sliding way, one end of the guide post is fixedly connected with a pushing plate, a holding frame is fixedly connected between each two pushing plates, the inner wall of the enclasping frame is rotatably connected with a plurality of enclasping rollers which are in interference fit with the enclasping frame, the holding frame and the holding groove are both arc-shaped, and the positions of the holding frame and the holding groove correspond to each other.

Optionally, the center of the top surface and the center of the bottom surface of the inner wall of the fixed frame are both provided with a guide groove, the width of each of the two clamping blocks is matched with the width of the inner wall of the guide groove, and the two clamping blocks are both in sliding connection with the inner wall of the guide groove.

Optionally, it is a plurality of embrace tight roller and all along embracing the extension direction arc array distribution of frame tightly, it is a plurality of embrace the material of tight roller and be the damping material, it is a plurality of embrace the outside of tight roller and embrace the damping fin contact of inslot wall tightly.

Optionally, the length of guide post is less than the degree of depth of guiding hole inner wall, one side of guiding hole inner wall is provided with pressure spring, pressure spring is located between guide post one end and a guiding hole inner wall side, pressure spring's diameter is less than the diameter of guide post, the length after pressure spring resets and the degree of depth looks adaptation of guiding hole.

Optionally, the clasping frame and the clasping groove are concentrically arranged, and the clasping frame and the clasping groove are both in a semi-arc shape.

Optionally, a fixing frame is fixedly connected to one side face of the middle portion of the fixing frame, a power shaft is rotatably connected to the center of the fixing frame, the power shaft penetrates through the center between the two holding frames, and the radius of each holding frame is matched with the radius of the power shaft.

The utility model has the advantages of it is following:

the hydraulic brake for the highway engineering machinery is characterized in that a fixed frame is arranged, hydraulic machines are fixedly connected at the centers of two sides of the fixed frame, clamping blocks are fixedly connected at the pushing ends of the two hydraulic machines, clamping grooves are formed in the centers of one side surfaces of the two clamping blocks, damping sheets are fixedly connected to the inner walls of the clamping grooves, guide holes are formed in the centers of two sides of one side surface of the two clamping blocks, the insides of the two guide holes are respectively and slidably connected with a guide post, one end of each guide post is fixedly connected with a pushing plate, a clamping frame is fixedly connected between each two pushing plates together, a plurality of clamping rollers are rotatably connected to the inner wall of each clamping frame, the plurality of clamping rollers are in interference fit with the clamping frames, the clamping frames and the clamping grooves are circular arcs, the clamping frames correspond to the positions of the clamping grooves, when the hydraulic machines push the clamping blocks to clamp a power shaft, the clamping rollers on the clamping frames are in contact with the power shaft, thereby drive when making the power shaft rotate and embrace the roller rotation, embrace the damping fin of inslot wall simultaneously and embrace the roller contact tightly, the rotation resistance of roller is embraced in the crescent to progressively increase the resistance of embracing tightly of power shaft, realize progressively hugging tightly to embracing tightly the roller, thereby progressively embrace fixed power shaft tightly, improve the stationarity of braking, reduce wearing and tearing, improve the practicality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional view taken along a-a of fig. 2 according to the present invention.

In the figure: the method comprises the following steps of 1-fixing a frame, 2-a hydraulic machine, 3-a guide groove, 4-a clamping block, 5-a holding groove, 6-a pushing plate, 7-a holding frame, 8-a holding roller, 9-a fixing frame, 10-a power shaft, 11-a guide hole, 12-a guide column and 13-a compression spring.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

The first embodiment is as follows: as shown in fig. 1 to 3, a hydraulic brake for road engineering machinery, which comprises a fixed frame 1, fixedly connected with hydraulic machines 2 at the centers of two sides of the fixed frame 1, clamping blocks 4 are fixedly connected with the pushing ends of the two hydraulic machines 2, clamping grooves 5 are formed at the centers of two corresponding side surfaces of the clamping blocks 4, damping sheets are fixedly connected with the inner walls of the clamping grooves 5, guide holes 11 are formed at the centers of two corresponding side surfaces of the clamping blocks 4, guide columns 12 are slidably connected inside the two guide holes 11, one ends of the guide columns 12 are fixedly connected with pushing plates 6, clamping frames 7 are fixedly connected between the two pushing plates 6 together, a plurality of clamping rollers 8 are rotatably connected to the inner walls of the clamping frames 7, the clamping rollers 8 are in interference fit with the clamping frames 7, the clamping frames 7 and the clamping grooves 5 are circular arc-shaped, and the clamping frames 7 correspond to the clamping grooves 5.

As an optional technical scheme of the utility model, guide way 3 has all been seted up with the center department of bottom surface to fixed frame 1 inner wall top surface, and two width that press from both sides tight piece 4 all with the width looks adaptation of 3 inner walls of guide way, two press from both sides tight piece 4 all with the inner wall sliding connection of guide way 3, through guide way 3, can improve the tight stability of clamp tight piece 4 clamp.

As the utility model discloses an optional technical scheme, a plurality of rollers 8 of holding tightly all distribute along the extension of holding tightly frame 7 direction arc array, and a plurality of materials of holding tightly roller 8 are the damping material, and a plurality of outsides of holding tightly roller 8 contact with the damping fin of holding tightly 5 inner walls of groove, and the material of damping fin is ceramic brake block material in this embodiment, and pottery has rigidity intensity and high temperature resistance performance, improves the reliability.

As an optional technical scheme of the utility model, the length of guide post 12 is less than the degree of depth of 11 inner walls of guiding hole, one side of 11 inner walls of guiding hole is provided with pressure spring 13, pressure spring 13 is located between 12 one ends of guide post and 11 inner walls of guiding hole a side, pressure spring 13's diameter is less than the diameter of guide post 12, length and the degree of depth looks adaptation of guiding hole 11 after pressure spring 13 resets, thereby make pressure spring 13 can promote guide post 12 and stretch out, thereby make a plurality of rollers 8 of embracing on the frame 7 of embracing tightly be in advance in the contact of power shaft 10.

As an optional technical scheme of the utility model, hold tightly frame 7 and hold tightly 5 concentric settings in the groove, hold tightly frame 7 and hold tightly 5 grooves and be half-circular arc to make the damping fin of holding tightly 5 inner walls in the groove can push down completely and hold tightly a plurality of rollers 8 of holding tightly on the frame 7.

As the utility model discloses an optional technical scheme, a side fixedly connected with mount 9 at 1 middle part of fixed frame, the center department of mount 9 rotates and is connected with power shaft 10, and power shaft 10 runs through two center departments between the frame 7 of holding tightly, holds the radius of frame 7 and the radius looks adaptation of power shaft 10 tightly to a plurality of rollers 8 of holding tightly of arranging on the frame 7 of messenger can surround power shaft 10 completely, improve and hold the effect tightly.

Example two: the damping fin in this embodiment is a metal fin with anti-skidding lines on the surface, and the rest of the structure is the same as that in the first embodiment, and the damping fin in this embodiment is made of metal, so that the wear-resisting effect can be improved, and the service life can be prolonged.

A hydraulic brake for road engineering machinery specifically comprises the following use steps:

1) starting the hydraulic press 2, and pushing the two clamping blocks 4 to clamp each other;

2) the hugging rollers 8 on the hugging frame 7 are firstly contacted with the power shaft 10, so that the hugging rollers 8 are driven to rotate when the power shaft 10 rotates;

3) the damping fin of embracing 5 inner walls in groove simultaneously contacts with embracing tight roller 8, and the rotation resistance of embracing tight roller 8 of crescent, thereby progressively increase the resistance of embracing of power shaft 10, realize progressively embracing tightly to embracing tight roller 8, thereby progressively embrace fixed power shaft 10 tightly, improve the stationarity of braking, reduce wearing and tearing.

In summary, the hydraulic brake for the road engineering machinery is provided with a fixed frame 1, hydraulic machines 2 are fixedly connected at the centers of two sides of the fixed frame 1, clamping blocks 4 are fixedly connected at the pushing ends of the two hydraulic machines 2, a holding groove 5 is formed at the center of one side surface corresponding to the two clamping blocks 4, a damping sheet is fixedly connected to the inner wall of the holding groove 5, guide holes 11 are formed at the centers of two sides of one side surface corresponding to the two clamping blocks 4, guide posts 12 are slidably connected inside the two guide holes 11, a pushing plate 6 is fixedly connected to one end of each guide post 12, a holding frame 7 is fixedly connected between the two pushing plates 6, a plurality of holding rollers 8 are rotatably connected to the inner wall of the holding frame 7, the holding rollers 8 are in interference fit with the holding frame 7, the holding frame 7 and the holding groove 5 are circular arc-shaped, the holding frame 7 corresponds to the position of the holding groove 5, when can making 2 promotion of hydraulic press from both sides tight 4 tight power shaft 10 of clamp, make and embrace tight roller 8 of embracing on the frame 7 earlier than power shaft 10 contact, thereby drive when making power shaft 10 rotate and embrace tight roller 8 and rotate, embrace the damping fin of 5 inner walls in groove simultaneously and embrace tight roller 8 contact, the rotation resistance of roller 8 is embraced in the crescent, thereby progressively increase power shaft 10 embrace the resistance, realize progressively embracing tightly to embracing tight roller 8, thereby progressively embrace fixed power shaft 10, improve the stationarity of braking, reduce wearing and tearing, and the practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway engineering machinery is with fluid pressure type stopper which characterized in that: the clamping device comprises a fixed frame (1), wherein the centers of two sides of the fixed frame (1) are fixedly connected with hydraulic machines (2), the pushing ends of the two hydraulic machines (2) are fixedly connected with clamping blocks (4), the centers of one corresponding side of the two clamping blocks (4) are provided with clamping grooves (5), the inner wall of each clamping groove (5) is fixedly connected with a damping sheet, the centers of two corresponding sides of one corresponding side of the two clamping blocks (4) are provided with guide holes (11), the insides of the two guide holes (11) are slidably connected with guide columns (12), one ends of the guide columns (12) are fixedly connected with pushing plates (6), a clamping frame (7) is fixedly connected between each two pushing plates (6) together, the inner wall of each clamping frame (7) is rotatably connected with a plurality of clamping rollers (8), and the clamping rollers (8) are in interference fit with the clamping frames (7), the clasping frame (7) and the clasping groove (5) are both arc-shaped, and the clasping frame (7) corresponds to the clasping groove (5).

2. The hydraulic brake for road construction machinery according to claim 1, wherein: the fixed frame (1) inner wall top surface all seted up guide way (3) with the center department of bottom surface, two the width of pressing from both sides tight piece (4) all matches with the width looks adaptation of guide way (3) inner wall, two press from both sides tight piece (4) all with the inner wall sliding connection of guide way (3).

3. The hydraulic brake for road construction machinery according to claim 1, wherein: it is a plurality of embrace tight roller (8) and all distribute along the extension direction arc array of embracing tight frame (7), it is a plurality of embrace the material of tight roller (8) and be the damping material, it is a plurality of embrace the outside of tight roller (8) and embrace the damping fin contact of groove (5) inner wall tightly.

4. The hydraulic brake for road construction machinery according to claim 1, wherein: the length of guide post (12) is less than the degree of depth of guiding hole (11) inner wall, one side of guiding hole (11) inner wall is provided with pressure spring (13), pressure spring (13) are located between guide post (12) one end and guiding hole (11) inner wall side, the diameter of pressure spring (13) is less than the diameter of guide post (12), the length after pressure spring (13) reset and the degree of depth looks adaptation of guiding hole (11).

5. The hydraulic brake for road construction machinery according to claim 1, wherein: the clasping frame (7) and the clasping groove (5) are concentrically arranged, and the clasping frame (7) and the clasping groove (5) are both in a semi-circular arc shape.

6. The hydraulic brake for road construction machinery according to claim 1, wherein: a side fixedly connected with mount (9) at fixed frame (1) middle part, the center department of mount (9) rotates and is connected with power axle (10), power axle (10) run through two center departments of embracing between frame (7), the radius of embracing tightly frame (7) and the radius looks adaptation of power axle (10).