Rail transit shock absorber with damping shock absorption function

Abstract

The utility model discloses a rail transit shock absorber with damping shock absorption, and relates to the technical field of rail transit shock absorbers, the rail transit shock absorber comprises a bottom plate and a shock absorption spring, the bottom of the bottom plate is provided with a bottom buffer plate, the middle part of the upper end of the bottom plate is provided with a limiting frame, and two sides in the limiting frame are provided with limiting chutes; a damping spring is arranged at the middle end in the limiting frame, a sound insulation plate is installed at the upper end of the damping spring, a limiting block is arranged at the upper end of the sound insulation plate, limiting sliding blocks are additionally arranged on the two sides of the exterior of the limiting block, noise reduction through holes are formed in the two sides of the interior of the limiting block, and a bearing block is arranged in the middle of the upper end of the limiting block; a top plate is mounted at the upper end of the bearing block, and a top buffer plate is arranged at the upper end of the top plate. According to the rail transit shock absorber with the damping shock absorption function, the resonance amplitude of a mechanical structure can be effectively reduced, meanwhile, when a mechanical system is subjected to instant impact, stable operation of the system can be ensured, and the overall use efficiency of the traffic shock absorber is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit shock absorber technical field, concretely is a kind of damping shock absorption rail transit shock absorber. BACKGROUND

[0002] Rail transit refers to a kind of traffic tool or transport system, which needs to drive on specific track, and the most typical rail transit is the railway system composed of traditional train and standard railway. With the diversified development of train and railway technology, rail transit presents more and more types, not only spread in long-distance land transportation, but also widely used in medium and short distance urban public transportation. When rail transit car body is used, it is easy to produce large vibration and noise. In order to reduce vibration and noise, a rail transit shock absorber is needed. However, the existing rail transit shock absorber still has the following shortcomings:

[0003] For example, the utility model No. 202122759580.0 discloses a rail transit rubber composite shock absorber. The rail transit rubber composite shock absorber has the advantages of convenient use, simple and effective installation and disassembly of the internal thread sleeve on the composite shock absorber body, replacement of the entire composite shock absorber body after internal thread damage, saving of resources and simple and convenient operation. However, similar to the above-mentioned comparative document, when the existing rail transit shock absorber is used, most of the rail transit shock absorbers only complete the work by single shock absorbing spring, so that the stable operation of the vehicle cannot be ensured when the shock absorber is subjected to instantaneous impact, causing the problems of decreased practicability and reduced use efficiency of the rail transit shock absorber.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a damping shock absorption rail transit shock absorber is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of damping shock absorption rail transit shock absorber to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of damping shock absorption rail transit shock absorber, including bottom plate and shock absorbing spring, the bottom plate bottom is equipped with bottom buffer plate, and the bottom plate upper end middle part is provided with limiting frame, and the limiting frame inside two sides are provided with limiting sliding slot, while the limiting frame inside middle end is provided with shock absorbing spring, while the shock absorbing spring upper end is installed with sound insulation board, the sound insulation board upper end is provided with limiting block, and the limiting block outside two sides are additionally provided with limiting sliding block, and the limiting block inside two sides are provided with noise reduction through-hole, while the limiting block upper end middle part is provided with receiving block, the receiving block upper end is installed with top plate, and the top plate upper end is provided with top buffer plate.

[0007] Further, the limit frame bottom is closely attached to the upper end of the bottom plate, and the limit frame is threadedly connected with the bottom plate.

[0008] Further, the limit sliding groove is internally sized to match the external size of the limit sliding block, and the limit sliding block is slidingly connected with the limit frame through the limit sliding groove.

[0009] Further, the number of the damping springs is six, and the six damping springs are equidistantly distributed in the middle end of the limit frame.

[0010] Further, the damping spring is threadedly connected with the limit frame, and the sound insulation plate is elastically connected with the limit frame through the damping spring.

[0011] Further, the number of the limit sliding blocks is four, and the four limit sliding blocks are symmetrically arranged on the two sides of the limit block in the front surface of the limit block.

[0012] Further, the noise reduction through hole is in a hollow cylindrical shape, and the noise reduction through hole is symmetrically arranged on the two sides of the limit block.

[0013] Further, the receiving block is vertically distributed with the top plate, and the receiving block is threadedly connected with the top plate.

[0014] The utility model provides a kind of damping shock-absorbing rail transit shock absorber, with the following beneficial effects:

[0015] 1, the utility model is fixedly installed in the middle end of limit frame by the setting of damping spring, and the top of damping spring is fixedly connected with sound insulation plate by cooperating fastener when damping shock-absorbing rail transit shock absorber is used, so that sound insulation plate and the limit block arranged on its upper end are elastically connected with limit frame by damping spring, the stability of limit block in the damping shock-absorbing process in limit frame is increased by cooperating limit sliding groove with limit sliding block, so as to improve the damping between limit frame and limit block, increase the overall use efficiency of traffic shock absorber.

[0016] 2, the utility model is installed by sound insulation plate in limit block lower end to carry out sound insulation treatment to noise when damping spring is used when damping shock-absorbing rail transit shock absorber is used, and the noise reduction through hole in limit block and sound insulation plate can increase the air circulation in limit frame, and the noise reduction through hole can also be absorbed to noise, so as to reduce the noise level of machine, provide more quiet working environment, increase the overall practicality of traffic shock absorber. DRAWINGS

[0017] Fig. 1 It is a kind of damping shock-absorbing rail transit shock absorber's three-dimensional structure schematic view of the utility model;

[0018] Fig. 2 It is a three-dimensional expanded bottom structure schematic diagram of the damping shock rail transit shock absorber of the utility model.

[0019] Fig. 3 It is a three-dimensional sectional structure schematic diagram of the damping shock rail transit shock absorber of the utility model.

[0020] In the figure: 1, bottom plate; 2, bottom buffer plate; 3, limiting frame; 4, limiting sliding slot; 5, shock absorbing spring; 6, sound insulation plate; 7, limiting block; 8, limiting sliding block; 9, noise reduction through-hole; 10, bearing block; 11, top plate; 12, top buffer plate. DETAILED DESCRIPTION

[0021] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1-3 shown, a kind of damping shock rail transit shock absorber, including bottom plate 1 and shock absorbing spring 5, bottom plate 1 bottom is equipped with bottom buffer plate 2, and bottom plate 1 upper end middle part is provided with limiting frame 3, and limiting frame 3 inside two sides are provided with limiting sliding slot 4, while limiting frame 3 inside middle end is provided with shock absorbing spring 5, limiting frame 3 bottom is tightly bonded with bottom plate 1 upper end, and limiting frame 3 is threadedly connected with bottom plate 1, the inside size of limiting sliding slot 4 is matched with the outside size of limiting sliding block 8, and limiting sliding block 8 is slidably connected with limiting frame 3 by limiting sliding slot 4, the number of shock absorbing spring 5 is six, and six shock absorbing spring 5 are equidistantly distributed in the middle end inside limiting frame 3, shock absorbing spring 5 is fixedly installed in the middle end inside limiting frame 3 by fastener, and the top of shock absorbing spring 5 is fixedly connected with sound insulation plate 6 in cooperation with fastener, so that sound insulation plate 6 and the limiting block 7 being provided on its upper end are elastically connected with limiting frame 3 by shock absorbing spring 5, and the inside size of limiting frame 3 is matched with the outside size of limiting block 7, while the inside size of limiting sliding slot 4 being provided in the two sides of limiting frame 3 is matched with the outside size of limiting sliding block 8 being additionally provided on the two sides of limiting block 7, so as to increase the stability of limiting block 7 in the shock absorbing and buffering process inside limiting frame 3 by limiting sliding slot 4 in cooperation with limiting sliding block 8, so as to improve the damping between limiting frame 3 and limiting block 7, increase the overall use efficiency of traffic shock absorber.

[0023] As Figs. 1-3As shown, the upper end of the damping spring 5 is provided with a sound insulation plate 6, the upper end of the sound insulation plate 6 is provided with a limiting block 7, the outer sides of the limiting block 7 are additionally provided with limiting sliding blocks 8, the inner sides of the limiting block 7 are provided with noise reduction through holes 9, the upper middle of the limiting block 7 is provided with a bearing block 10, the upper end of the bearing block 10 is provided with a top plate 11, the upper end of the top plate 11 is provided with a top buffer plate 12, the damping spring 5 is threadedly connected with the limiting frame 3, the sound insulation plate 6 is elastically connected with the limiting frame 3 through the damping spring 5, the number of the limiting sliding blocks 8 is four, the four limiting sliding blocks 8 are symmetrically arranged on the outer sides of the limiting block 7 along the front central axis of the limiting block 7, the noise reduction through holes 9 are in the shape of hollow cylinders, the noise reduction through holes 9 are symmetrically arranged on the inner sides of the limiting block 7, the bearing block 10 and the top plate 11 are vertically distributed, and the bearing block 10 is threadedly connected with the top plate 11.

[0024] In conclusion, the damping rail transit shock absorber, when in use, first, the bottom buffer plate 2 is fixedly installed at the bottom of the bottom plate 1 through fasteners, and the top buffer plate 12 is fixedly installed at the top of the top plate 11 through fasteners, so that the bottom buffer plate 2 cooperates with the top buffer plate 12 to play a certain buffering and damping role, and can also prevent sliding after installation, further improving the stability of the device, the damping spring 5 is fixedly installed at the inner middle end of the limiting frame 3 through fasteners, and the top of the damping spring 5 is fixedly connected with the sound insulation plate 6 through fasteners, so that the sound insulation plate 6 and the limiting block 7 arranged at the upper end thereof are elastically connected with the limiting frame 3 through the damping spring 5, and the inner size of the limiting sliding groove 4 arranged on the inner sides of the limiting frame 3 matches the outer size of the limiting sliding block 8 additionally arranged on the outer sides of the limiting block 7, so that the stability of the limiting block 7 in the damping and buffering process in the limiting frame 3 is increased through the limiting sliding groove 4 cooperating with the limiting sliding block 8, thereby improving the damping between the limiting frame 3 and the limiting block 7, the bearing block 10 is fixedly installed at the upper middle of the limiting block 7, and the top plate 11 is fixedly installed at the top of the bearing block 10 through fasteners, the overall use height of the equipment is increased by using the bearing block 10, thereby avoiding damage to the shock absorber after being instantaneously subjected to excessive external force, then, the sound insulation plate 6 installed at the lower end of the limiting block 7 performs sound insulation treatment on noise when the damping spring 5 is in use, and the noise reduction through holes 9 arranged in the limiting block 7 and the sound insulation plate 6 can increase the air circulation in the limiting frame 3, and the noise reduction through holes 9 can also absorb noise, thereby reducing the noise level of the machine, providing a more quiet working environment, and increasing the overall practicality of the traffic shock absorber.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application with various modifications as are suited to the particular use contemplated.

Claims

1. A rail transit shock absorber for damping shock, comprising a bottom plate (1) and a shock absorbing spring (5), characterized in that, The bottom of the bottom plate (1) is provided with a bottom buffer plate (2), and the middle of the upper end of the bottom plate (1) is provided with a limiting frame (3), and the inside of the limiting frame (3) is provided with a limiting sliding groove (4) on both sides, and the inside of the limiting frame (3) is provided with a damping spring (5) in the middle, and the upper end of the damping spring (5) is provided with a sound insulation board (6), the upper end of the sound insulation board (6) is provided with a limiting block (7), and the outside of the limiting block (7) is additionally provided with a limiting sliding block (8), and the inside of the limiting block (7) is provided with a noise reduction through hole (9), and the upper end of the limiting block (7) is provided with a bearing block (10), the upper end of the bearing block (10) is provided with a top plate (11), and the upper end of the top plate (11) is provided with a top buffer plate (12).

2. The track vehicle shock absorber of claim 1, wherein, The bottom of the limiting frame (3) is tightly attached to the upper end of the bottom plate (1), and the limiting frame (3) is threadedly connected with the bottom plate (1).

3. The track vehicle shock absorber of claim 1, wherein, The inside dimension of the limiting sliding groove (4) matches the outside dimension of the limiting sliding block (8), and the limiting sliding block (8) is slidably connected with the limiting frame (3) through the limiting sliding groove (4).

4. The track vehicle shock absorber of claim 1, wherein, The number of the damping springs (5) is six, and the six damping springs (5) are equidistantly distributed in the middle of the inside of the limiting frame (3).

5. The track vehicle shock absorber of claim 1, wherein, The damping spring (5) is threadedly connected with the limiting frame (3), and the sound insulation board (6) is elastically connected with the limiting frame (3) through the damping spring (5).

6. The track vehicle shock absorber of claim 1, wherein, The number of the limiting sliding blocks (8) is four, and the four limiting sliding blocks (8) are symmetrically arranged on both sides of the outside of the limiting block (7) along the front central axis of the limiting block (7).

7. The track vehicle shock absorber of claim 1, wherein, The noise reduction through hole (9) is in a hollow cylindrical shape, and the noise reduction through hole (9) is symmetrically arranged on both sides of the inside of the limiting block (7).

8. The track vehicle shock absorber of claim 1, wherein, The bearing block (10) and the top plate (11) are vertically distributed, and the bearing block (10) is threadedly connected with the top plate (11).

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