CN209833641U - Positioning device based on high-speed rail braking - Google Patents

Abstract

The utility model discloses a positioner based on high-speed railway braking, including the brake disc, the left side fixed mounting of brake disc has the transmission seat, the left and right sides of brake disc is provided with left calliper piece and right calliper piece respectively, left side calliper piece fixed mounting is on the transmission seat, be provided with first through-hole and second through-hole in the left side calliper piece, slidable mounting has to the post in the second through-hole, the inner wall of second through-hole evenly is provided with along a plurality of spouts through length direction, the lateral wall of support post is provided with the slider that matches with the spout, slider sliding connection spout, the left end fixed mounting ball bearing of support post, ball bearing is connected with the axis of rotation, axis of rotation and first through-hole threaded connection, the equal fixedly connected with brake block in left side of the right-hand member of support post and right calliper piece. The utility model discloses a spout has effectively slowed down to the inside metal fatigue of post, has prolonged the life of post, has improved the brake braking effect.

Description

Positioning device based on high-speed rail braking

Technical Field

The utility model relates to a positioning device field, concretely relates to positioner based on high-speed railway braking.

Background

The railway is the first public transport means invented by human beings, and in order to meet the development requirements of the market, higher requirements are put forward on the speed increase of railway transportation, and the high-speed railway is a railway system which is used for building a new railway to enable the operation speed to reach more than 250 kilometers per hour, or specially building a new 'high-speed passenger new line' to enable the operation speed to reach more than 350 kilometers per hour. With the rapid development of economy, China is in the period of industrialization and urbanization accelerated development. The high-speed railway plays a vital role in ensuring the large flow of urban population, and the operating speed of the high-speed railway reaches more than 250 kilometers per hour, so the high-speed railway has higher requirement on the operating safety of a brake system of the high-speed railway, and the brake system is the safety guarantee for the operation of the high-speed railway.

The braking force of the high-speed train mainly comprises electric braking force and friction force, and the friction braking force is realized by the friction between a brake disc and a brake pad in a braking system. In the production process of high-speed railway brake block, need process brake backplate surface, current high-speed railway brake system adopts the air pump to promote to support the post and support and press the brake block for brake block and brake disc friction fit, be used for reaching the braking action, but when braking the huge high-speed railway of kinetic energy, the torsion that the support received is very big, long-term use, the inside metal fatigue aggravation of support, seriously reduce the support life-span, simultaneously during brake block and brake disc cooperation friction, can make the brake block produce high temperature, and the high temperature can accelerate the brake block impaired.

Disclosure of Invention

The utility model aims to provide a: the positioning device based on high-speed rail braking is provided to solve the problems that the support column is large in torsion, the brake pad is damaged at high temperature, and the service life of the support column and the service life of the brake pad are seriously shortened.

The utility model adopts the technical scheme as follows:

the utility model relates to a positioning device based on high-speed rail braking, which comprises a brake disc, wherein a transmission seat is fixedly arranged at the left side of the brake disc, the left and right sides of the brake disc are respectively provided with a left caliper block and a right caliper block, the left caliper block is fixedly arranged on the transmission seat, a first through hole and a second through hole are arranged in the left caliper block, a support column is slidably arranged in the second through hole, a plurality of sliding grooves are uniformly arranged on the inner wall of the second through hole along the length direction, sliding blocks matched with the sliding grooves are arranged on the side wall of the support column, the slide block is connected with the slide groove in a sliding way, a ball bearing is fixedly arranged at the left end of the support column and connected with a rotating shaft, the left part of the rotating shaft is provided with an external thread, the inner wall of the first through hole is provided with an internal thread matched with the external thread, the rotating shaft is in threaded connection with the first through hole, and the right end of the abutting column and the left side of the right caliper block are fixedly connected with brake pads.

In the prior art, a support column connected with a brake pad is very large in torsion force and is aggravated in metal fatigue and severely reduced in service life after long-term use, a left caliper block and a right caliper block are respectively and fixedly arranged on the left side and the right side of a brake disc, the left caliper block is provided with a first through hole and a second through hole, the inner wall of the second through hole is uniformly provided with a plurality of chutes along the passing length direction, the support column is arranged in the second through hole in a sliding manner, a sliding block is arranged on the support column and is in sliding connection with the chutes, so that the support column moves left and right in the second through hole along the chutes, a ball bearing is fixedly arranged on the left side of the support column and is connected with a rotating shaft, the left part of the rotating shaft is provided with external threads, the inner wall of the first through hole is provided with internal threads matched with the external threads, the rotating shaft is in threaded connection with the first through hole, the left caliper block is, the rotating shaft is movably connected with the support column through a ball bearing, the support column is pushed to move rightwards when the rotating shaft moves rightwards, the brake pad is contacted with the brake disc, the brake disc is in friction with the brake pad under high-speed rotation, the support column bears huge torsion, a plurality of sliding blocks are arranged on the support column, the support column is arranged in the sliding groove through the plurality of sliding blocks, the sliding groove has a blocking effect on the torsion borne by the support column, metal fatigue in the support column is relieved, the service life of the support column is prolonged, and the braking effect is improved.

Furthermore, an oil tank is arranged in the support column, the left side of the oil tank is communicated with a hydraulic oil pipe, and the right side of the oil tank is provided with an oil injection port. Adopt above-mentioned structure, the oil tank utilizes the nozzle to spout the brake block with refrigeration oil for the brake block of high temperature is cooled down by refrigeration oil, weakens the impaired degree of brake block high temperature, prolongs the life of brake block.

Further, the oil spout is horn-shaped opening, the opening part of oil spout still is provided with the oil spout stopper. By adopting the structure, the oil outlet quantity of the refrigeration oil can be ensured not to be too large by the horn-shaped open oil nozzle, and the area range of the refrigeration oil sprayed to the brake pad is wide.

Furthermore, the oil injection plug is provided with a plurality of small holes. By adopting the structure, the oil injection plug can absorb the refrigeration oil in the oil tank and evenly spray the refrigeration oil on the brake pad through the small hole on the oil injection plug, so that the brake pad is evenly cooled.

Furthermore, a limiting plate is further arranged on the rotating shaft and is positioned at the left end and the right end of the external thread. By adopting the structure, the limiting plate can prevent the support column from moving leftwards or rightwards too far after the rotating shaft rotates excessively.

Furthermore, a buffer spring is further arranged in the second through hole, the buffer spring is sleeved outside the rotating shaft, and two ends of the buffer spring are respectively connected with the support column and the left side wall of the second through hole. By adopting the structure, the support column is still subjected to reverse pressure when the brake pad is in friction with the brake disc, the resilience force of the buffer spring can buffer the direction pressure received by the support column, and the pressure of the support column on the rotating shaft is reduced.

To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a positioner based on high-speed railway braking sets up a plurality of spouts through having set up a plurality of sliders and setting up at the second through-hole on supporting the post, supports in the post arranges the spout in through a plurality of sliders, and the spout has the effect of blockking to the torsion that supports the post and bear, has slowed down to the inside metal fatigue of post, has prolonged the life who supports the post to brake effect has been improved.

2. The utility model discloses a positioner based on high-speed railway braking still is provided with the oil tank in through supporting the post, utilizes the oil spout stopper of oil spout department to absorb the refrigeration oil in the postbox and even spout on the brake block for the brake block of high temperature is cooled down by refrigeration oil, weakens the impaired degree of brake block high temperature, prolongs the life of brake block.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the second through hole of the present invention.

Reference numerals in the drawings indicate:

1-a brake disc, 2-a transmission seat, 3-a left caliper block, 4-a right caliper block, 5-a first through hole, 6-a second through hole, 601-a sliding groove, 7-a support column, 8-a ball bearing, 9-a rotating shaft, 10-a brake pad, 11-an oil tank, 12-a hydraulic oil pipe, 13-an oil nozzle, 14-an oil spray plug, 15-a limiting plate and 16-a buffer spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to the accompanying drawings.

Example one

As shown in fig. 1-2, the positioning device of the present invention based on high-speed rail braking comprises a brake disc 1, a transmission seat 2 is fixedly installed on the left side of the brake disc 1, a left caliper block 3 and a right caliper block 4 are respectively installed on the left side and the right side of the brake disc 1, the left caliper block 3 is fixedly installed on the transmission seat 2, a first through hole 5 and a second through hole 6 are arranged in the left caliper block 3, a support post 7 is slidably installed in the second through hole 6, a plurality of sliding grooves 601 are uniformly arranged on the inner wall of the second through hole 6 along the passing length direction, a slider matched with the sliding grooves 601 is arranged on the side wall of the support post 7, the slider is slidably connected with the sliding grooves 601, a ball bearing 8 is fixedly installed on the left end of the support post 7, the ball bearing 8 is connected with a rotating shaft 9, an external thread is arranged on the left portion of the rotating shaft 9, an internal thread matched, the rotating shaft 9 is in threaded connection with the first through hole 5, and the right end of the abutting column 7 and the left side of the right caliper block 4 are fixedly connected with a brake pad 10.

In the prior art, a support column connected with a brake pad is very large in torsion force and is aggravated in metal fatigue and seriously reduces the service life of the support column after being used for a long time, the left and right sides of a brake disc 1 are respectively and fixedly provided with a left caliper block 3 and a right caliper block 4, the left caliper block 3 is provided with a first through hole 5 and a second through hole 6, the inner wall of the second through hole 6 is uniformly provided with a plurality of chutes 601 passing through the length direction, a support column 7 is arranged in the second through hole 6 in a sliding way, a slide block is arranged on the support column 7 and is in sliding connection with the chutes 601, so that the support column 7 moves left and right 601 in the second through hole 6 along the chutes, a ball bearing 8 is fixedly arranged at the left side of the support column 7, the ball bearing 8 is connected with a rotating shaft 9, the left part of the rotating shaft 9 is provided with an external thread, the inner wall of the first through, the left caliper block 3 is fixed on the transmission seat 2, the left side of the rotating shaft 9 is driven by external power to rotate and can move left and right in the first through hole 5, the rotating shaft 9 is movably connected with the support column 7 through the ball bearing 8, the rotating shaft 9 moves right to push the support column 7 to move right, so that the brake pad 10 is in contact with the brake disc 1, the brake disc 1 is in friction with the brake pad 10 under high-speed rotation, the support column 7 bears huge torsion, a plurality of sliding blocks are arranged on the support column 7, the support column 7 is arranged in the sliding groove 601 through the sliding blocks, the sliding groove 601 has a blocking effect on the torsion borne by the support column 7, metal fatigue in the support column 7 is relieved, the service life of the support column 7 is prolonged, and the brake effect is improved.

Example two

The embodiment is to further explain the present invention.

As shown in fig. 1, in this embodiment, on the basis of the first embodiment, in a preferable scheme of this embodiment, an oil tank 11 is further disposed in the column 7, a hydraulic oil pipe 12 is communicated with a left side of the oil tank 11, and an oil injection port 13 is disposed on a right side of the oil tank 11. Adopt above-mentioned structure, oil tank 11 utilizes nozzle 13 to spout the refrigeration oil to brake block 10 for brake block 10 of high temperature is cooled down by the refrigeration oil, weakens the impaired degree of brake block 10 high temperature, prolongs brake block 10's life.

In a preferred embodiment of the present invention, the oil injection port 13 is a trumpet-shaped opening, and an oil injection plug 14 is further disposed at an opening of the oil injection port 13. By adopting the structure, the oil injection port 13 with the horn-shaped opening can ensure that the oil outlet amount of the refrigeration oil is not too large, and the area range of the refrigeration oil injected to the brake pad 10 is wide.

In a preferred embodiment of the present invention, the oil plug 14 is provided with a plurality of small holes. By adopting the structure, the oil spray plug 14 can absorb the refrigeration oil in the oil tank 11 and uniformly spray the refrigeration oil to the brake pad 10 through the small holes on the oil spray plug 14, so that the brake pad 10 is uniformly cooled.

EXAMPLE III

The embodiment is to further explain the present invention.

As shown in fig. 1, in this embodiment, on the basis of the above embodiment, in a preferable scheme of this embodiment, a limiting plate 15 is further disposed on the rotating shaft 9, and the limiting plate 15 is located at the left and right ends of the external thread. By adopting the structure, the limiting plate 15 can prevent the support column 7 from moving leftwards or rightwards too far after the rotating shaft 9 rotates excessively.

In a preferable scheme of this embodiment, a buffer spring 16 is further disposed in the second through hole 6, the buffer spring 16 is sleeved outside the rotating shaft, and two ends of the buffer spring 16 are respectively connected to the support column 7 and the left side wall of the second through hole 6. By adopting the structure, when the brake pad 10 rubs with the brake disc 1, the support column 7 is also subjected to reverse pressure, the pressure in the direction that the support column 7 is received can be buffered by the resilience force of the buffer spring 16, and the pressure of the support column 7 on the rotating shaft 9 is reduced.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (6)

1. Positioner based on high-speed railway braking, including brake disc (1), its characterized in that: a transmission seat (2) is fixedly installed on the left side of the brake disc (1), a left clamping block (3) and a right clamping block (4) are respectively arranged on the left side and the right side of the brake disc (1), the left clamping block (3) is fixedly installed on the transmission seat (2), a first through hole (5) and a second through hole (6) are formed in the left clamping block (3), a support column (7) is installed in the second through hole (6) in a sliding mode, a plurality of sliding grooves (601) passing through the length direction are uniformly formed in the inner wall of the second through hole (6), a sliding block matched with the sliding grooves (601) is arranged on the side wall of the support column (7) and is connected with the sliding grooves (601) in a sliding mode, a ball bearing (8) is fixedly installed on the left end of the support column (7), the ball bearing (8) is connected with a rotating shaft (9), and an external thread is arranged on the left portion, the inner wall of the first through hole (5) is provided with an internal thread matched with the external thread, the rotating shaft (9) is in threaded connection with the first through hole (5), and the right end of the support column (7) and the left side of the right caliper block (4) are fixedly connected with a brake pad (10).

2. The high-speed rail brake-based positioning device of claim 1, wherein: an oil tank (11) is further arranged in the support column (7), the left side of the oil tank (11) is communicated with a hydraulic oil pipe (12), and the right side of the oil tank (11) is provided with an oil injection port (13).

3. The high-speed rail brake-based positioning device of claim 2, wherein: the oil injection port (13) is a horn-shaped opening, and an oil injection plug (14) is further arranged at the opening of the oil injection port (13).

4. The high-speed rail brake-based positioning device of claim 3, wherein: the oil spray plug (14) is provided with a plurality of small holes.

5. The high-speed rail brake-based positioning device according to claim 1 or 4, wherein: and a limiting plate (15) is further arranged on the rotating shaft (9), and the limiting plate (15) is positioned at the left end and the right end of the external thread.

6. The high-speed rail brake-based positioning device of claim 5, wherein: and a buffer spring (16) is further arranged in the second through hole (6), the buffer spring (16) is sleeved outside the rotating shaft, and two ends of the buffer spring (16) are respectively connected with the left side wall of the abutting column (7) and the left side wall of the second through hole (6).