Maintenance operation vehicle quick-change device

Abstract

The utility model provides a quick change device for a maintenance operation vehicle, which relates to the technical field of airport maintenance operation and comprises a flat far-end hanging piece and an external hanging piece, a hanging fixing piece is arranged at one end of the flat far-end hanging piece, and a buffer piece is fixed at one end of the hanging fixing piece. By adopting the mode of installing the sliding block, when external equipment vibrates, vibration is transmitted to the sliding block from the flat far-end hanging piece, when the sliding block moves downwards, the friction consumption part of the friction increasing protruding part and the concave part vibrates, meanwhile, the cushioning spring is extruded by the sliding block to elastically deform, and the vibration is converted into elastic potential energy; when the cushioning springs release the elastic potential energy, part of the elastic potential energy is consumed through friction between the friction increasing protruding parts and the concave parts, damping is achieved, therefore, the vibration influence is greatly relieved, the fatigue damage risk of the fixing position is greatly reduced, the fixing effect of the fixing position of the quick-change device and the maintenance operation vehicle is improved, and the fatigue damage risk of the key fixing position is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to airport maintenance operation technical field especially relates to a kind of maintenance operation vehicle quick-change device. BACKGROUND

[0002] The airport maintenance operation vehicle quick-change device is a device for quickly replacing the work tools of the airport maintenance operation vehicle, which has parallel components and vertical components. The parallel components have ball head pins for installing different external devices, and the vertical components are used to fix with the airport maintenance operation vehicle. The device is calibrated by moving the main machine walking function at different positions, thereby improving the convenience of replacement, reducing the number of operators and replacement time, and improving the overall maintenance and standardization requirements.

[0003] In the prior art, when the external device of the quick-change device of the airport maintenance operation vehicle is connected, the vibration energy generated during the use of the device is easily transmitted to the quick-change device, which can cause high-frequency shaking of the quick-change device and the fixing part of the maintenance operation vehicle, affect the fixing effect of the quick-change device and the fixing part of the maintenance operation vehicle, and increase the risk of fatigue damage of the key fixing part. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a maintenance operation vehicle quick-change device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a maintenance operation vehicle quick-change device, comprising a parallel end hanging piece and an external hanging piece, the parallel end hanging piece is provided with a suspension fixing part at one end, the suspension fixing part is fixed with a buffer at one end, the inner wall of the buffer is fixed with a friction-increasing rubber pad on one side, the buffer is slidably connected with a sliding block on the inner wall, the sliding block is fixed with a plurality of shock-absorbing springs at the top and the bottom, the sliding block is provided with a friction-increasing protruding part on the side close to the inner wall of the buffer, the friction-increasing rubber pad is provided with a recess on the side close to the sliding block, the side of the sliding block away from the friction-increasing rubber pad is fixed with the inner wall of the suspension fixing part, the friction-increasing protruding part is inserted into the recess, the suspension fixing part is fixed with a T-shaped plate at the bottom, the T-shaped plate is fixed with a reinforcing rib at the bottom, the T-shaped plate is fixed with a support rubber pad at the bottom, and the support rubber pad is provided with a rhombus-shaped groove at the top.

[0006] Preferably, the inner wall of the buffer is provided with a vertical sliding groove at both ends, the vertical sliding groove is slidably connected with a limiting wing plate on the inner wall, and the limiting wing plate is fixed with the sliding block at one end.

[0007] Preferably, the sliding block is fixed with a plurality of annular rings at the top and the bottom, and the height of the annular ring is greater than the limit compression length of the shock-absorbing spring.

[0008] Preferably, the flat distal end hanger top is fixed with a resisting triangular plate, and the resisting triangular plate is slidingly connected to the side of the suspension fixing part.

[0009] Preferably, one end of the resisting triangular plate is fixed with a ladder slide strip, and one side of the suspension fixing part is provided with a ladder-shaped sliding groove, and the inner wall of the ladder-shaped sliding groove is slidingly connected with the surface of the ladder slide strip.

[0010] Preferably, the outer hanger is provided with a plurality of circumferential side grooves on the circumferential surface, and the flat distal end hanger top is fixed with a limiting ladder plate, and the surface of the limiting ladder plate is nested with the inner wall of the circumferential side groove.

[0011] Preferably, the inner wall of the suspension fixing part is provided with a sink groove, and the sink groove is provided with a gasket, and the depth of the sink groove is greater than the thickness of the gasket, and the outer hanger is fixed with the suspension fixing part through a nut, and the gasket is attached to the nut.

[0012] Preferably, the flat distal end hanger is fixed with a side suspension ring on both sides.

[0013] Beneficial effects

[0014] The utility model discloses a mounting sliding block mode is realized when the external equipment produces vibration, and vibration is transmitted to the sliding block by the flat distal end hanger, and the friction of the increased friction protruding part and the recess part is consumed when the sliding block moves downward, and the vibration is converted into elastic potential energy by the elastic deformation of the shock absorbing spring pressed by the sliding block, and part of the elastic potential energy is consumed through the friction of the increased friction protruding part and the recess part when the shock absorbing spring releases the elastic potential energy, thereby achieving shock absorption, greatly relieving the vibration influence, greatly reducing the fatigue damage risk of the fixed place, increasing the fixing effect of the quick change device and the maintenance operation vehicle fixed place, and reducing the fatigue damage risk of the key fixed place.

[0015] The utility model discloses a mounting limiting wing plate mode is realized when the external equipment produces vibration, and the quick change device is influenced by the vibration in the vertical ground direction and the parallel ground direction, and the vibration in the parallel ground direction is easy to cause the deviation of the sliding block in the movement process, and further causes the serious wear and tear between the sliding block and the buffer, and the cooperation of the limiting wing plate and the vertical sliding groove limits the movement track of the sliding block in the buffer, so that the equipment can only install the determined track movement of the vertical sliding groove, thereby better preventing the influence of the vibration in the parallel ground direction on the sliding block, and achieving the effect of improving the service life of the sliding block.

[0016] The utility model discloses a circular ring mounting mode is realized when the airport maintenance vehicle is in work, the equipment once encounters emergent external force impact, when colliding with the obstacle or load mutation, the vibration energy that it generates is not effectively attenuated and directly conducts to the car body, the quick change device receives the greater impact, and its impact far exceeds the bearing range of the shock absorbing spring, and then leads to the overcompression of the shock absorbing spring by the slider, and the circular ring gives the shock absorbing spring enough space length, prevents the overcompression of the shock absorbing spring by the slider, prevents the damage of the shock absorbing spring beyond the limit compression length, reaches the effect of improving the service life of shock absorbing spring. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the sectional view of the utility model's far end hanging piece;

[0019] Figure 3 It is the three-dimensional structure schematic diagram of the utility model's slider;

[0020] Figure 4 It is the sectional view of the utility model's limiting ladder board;

[0021] Figure 5 It is the three-dimensional structure schematic diagram of the utility model's gasket;

[0022] Figure 6 It is the three-dimensional structure schematic diagram of the utility model's T-shaped plate.

[0023] Legend:

[0024] 1, far end hanging piece; 101, hanging fixed part; 102, external hanging piece; 2, buffer; 201, slider; 202, shock absorbing spring; 203, friction increasing protruding part; 204, friction increasing rubber pad; 205, T-shaped plate; 206, reinforcing rib; 207, support rubber pad; 3, vertical sliding groove; 301, limiting wing plate; 4, circular ring; 5, abutting triangular plate; 6, ladder-shaped sliding groove; 601, ladder slide; 7, circumferential groove; 701, limiting ladder board; 8, gasket; 801, sink; 9, side hanging ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following will be further described in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0026] The specific embodiments of the utility model will be described below in combination with the drawings. DETAILED DESCRIPTION

[0027] SUMMARY Figures 1-6 The utility model provides an airport maintenance vehicle quick change device, including flat far end hanger 1 and external hanger 102, flat far end hanger 1 one end is provided with the suspension fixing part 101, and the suspension fixing part 101 is fixed with the airport maintenance vehicle through bolt, and the suspension fixing part 101 one end is fixed with buffer 2, and the buffer 2 inner wall one side is fixed with the friction rubber pad 204, and the buffer 2 inner wall is slidably connected with sliding block 201, and the sliding block 201 top and bottom are all fixed with a plurality of shock absorber springs 202, and the sliding block 201 is close to the buffer 2 inner wall one side and is provided with friction protruding portion 203, and the friction rubber pad 204 is close to the sliding block 201 one side and is provided with recess, and the sliding block 201 is away from the friction rubber pad 204 one side and is fixed with the suspension fixing part 101 inner wall, and the friction protruding portion 203 is inserted into the recess, and the suspension fixing part 101 bottom is fixed with T-shaped plate 205, and the T-shaped plate 205 bottom is fixed with reinforcing rib 206, and the T-shaped plate 205 bottom is fixed with support rubber pad 207, and the support rubber pad 207 top is provided with diamond groove, and the quick change device is fixed with the airport maintenance vehicle through the suspension fixing part 101, and the quick change device is supported after installing external equipment through T-shaped plate 205 and support rubber pad 207, prevents the damage caused by the excessive compression of shock absorber spring 202, and diamond groove gives support rubber pad 207 deformation space.

[0028] The buffer 2 inner wall both ends are provided with vertical slide groove 3, and the vertical slide groove 3 inner wall is slidably connected with limiting wing plate 301, and the limiting wing plate 301 one end is fixed with the sliding block 201 one end, when the external equipment generates vibration, the quick change device is affected by the vibration in the vertical ground direction and the parallel ground direction, and the vibration in the parallel ground direction is easy to cause the deviation of sliding block 201 in the movement process, and then causes the serious wear and tear between sliding block 201 and buffer 2, and the cooperation of limiting wing plate 301 and vertical slide groove 3 limits the movement track of sliding block 201 in buffer 2, so that the equipment can only install the movement of the established track of vertical slide groove 3, thereby better preventing the influence of vibration in the parallel ground direction on sliding block 201.

[0029] The sliding block 201 top and sliding block 201 bottom are all fixed with a plurality of circular rings 4, and the height of circular ring 4 is greater than the limit compression length of shock absorber spring 202, when the airport maintenance vehicle is working, once the equipment encounters sudden external force impact, such as colliding with obstacles or load mutation, the vibration energy generated is not effectively attenuated and directly conducted to the vehicle body, the quick change device is impacted greatly, and the impact far exceeds the bearing range of shock absorber spring 202, so that the friction rubber pad 204 is compressed by sliding block 201, and the circular ring 4 gives the friction rubber pad 204 enough space length, prevents the excessive compression of sliding block 201 to friction rubber pad 204, and prevents the damage of friction rubber pad 204 beyond the limit compression length.

[0030] The top of the flat far end hanger 1 is fixed with a resisting triangular plate 5, which is slidingly connected to the side of the suspension fixing part 101. By the resisting triangular plate 5, the flat far end hanger 1 can be prevented from being upwardly warped when it is hindered, thereby improving the stability of the flat far end hanger 1 and preventing its instantaneous serious deformation.

[0031] One end of the resisting triangular plate 5 is fixed with a ladder sliding strip 601, and the suspension fixing part 101 is provided with a ladder-shaped sliding groove 6 on one side. The inner wall of the ladder-shaped sliding groove 6 is slidingly connected to the surface of the ladder sliding strip 601. By the cooperation between the ladder-shaped sliding groove 6 and the ladder sliding strip 601, the movement track of the resisting triangular plate 5 is limited, which prevents the flat far end hanger 1 from being skewed without affecting the damping.

[0032] The outer connecting hanger 102 is provided with a plurality of circumferential grooves 7 on the circumferential surface. The top of the flat far end hanger 1 is fixed with a limiting ladder plate 701, and the surface of the limiting ladder plate 701 is nested with the inner wall of the circumferential groove 7. By the limiting ladder plate 701, the outer connecting hanger 102 is limited to prevent it from rotating under the force of the external equipment and to share the pressure of the nut at the bottom of the outer connecting hanger 102 to prevent it from loosening.

[0033] The inner wall of the suspension fixing part 101 is provided with a sunken groove 801, and the inner wall of the sunken groove 801 is provided with a gasket 8. The depth of the sunken groove 801 is greater than the thickness of the gasket 8. The outer connecting hanger 102 is fixed with the suspension fixing part 101 by a nut, and the gasket 8 is attached to the nut. By the sunken groove 801, the gasket 8 is not higher than the surface of the suspension fixing part 101. At the same time, the depth of the sunken groove 801 is greater than the thickness of the gasket 8, which can make the fixing nut enter the sunken groove 801 partially, so that one end of the fixing nut can be hindered when one end of the suspension fixing part 101 is stressed, thereby preventing it from being skewed.

[0034] The flat far end hanger 1 is fixed with a side suspension ring 9 on both sides. By the side suspension ring 9, different external equipment can be selectively installed, thereby increasing the multifunctionality of the quick-change device and increasing the application range.

[0035] The utility model discloses a working principle: when the external equipment produces vibration, vibration is passed to the slider 201 by the far end pendant 1, because the elastic part of the increased friction is the rubber material and has the elasticity, so the slider 201 is affected by vibration and produces the movement of going up and going down and will extrude the corresponding shock absorbing spring 202, the elastic part of the increased friction is moved when the slider 201 moves, and the elastic part of the increased friction contacts different recesses and produces resistance consumption part vibration, and then separates, the slider 201 is extruded shock absorbing spring 202 by vibration, and vibration is converted into elastic potential energy, when the elastic potential energy is released, the elastic part of the increased friction of the slider 201 side contacts the recess and produces resistance consumption elastic potential energy of shock absorbing spring 202, realizes shock absorption, reduces the influence of external equipment to the airport maintenance operation vehicle, when the external equipment produces vibration, the cooperation of the limiting wing plate 301 and the vertical slide groove 3 limits the movement track of the slider 201 in the buffer 2, so that the equipment can only move according to the predetermined track of the vertical slide groove 3, thereby better preventing the influence of vibration in the parallel ground direction on the slider 201, when the airport maintenance operation vehicle encounters sudden external force impact, the circular ring 4 gives the increased friction rubber pad 204 enough space length, prevents the excessive compression of the increased friction rubber pad 204 by the slider 201, prevents the increased friction rubber pad 204 from being damaged by exceeding the limit compression length, the cooperation between the trapezoidal slide groove 6 and the ladder slide strip 601 limits the movement track of the abutting triangle plate 5, and the external pendant 102 is limited by limiting the ladder plate 701 to prevent it from rotating under the force of the external equipment.

[0036] In the utility model, unless another definite provision and limitation, first feature is in the "on" or "under" of second feature can include that first and second features are directly contacted, also can include that first and second features are not directly contacted but are contacted through other features between them. Moreover, first feature is on, above and on of second feature includes that first feature is directly above and obliquely above of second feature, or only indicates that the horizontal height of first feature is higher than second feature. First feature is below, under and under of second feature includes that first feature is directly below and obliquely below of second feature, or only indicates that the horizontal height of first feature is less than second feature.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements of the utility model fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-change device of a maintenance work vehicle, comprising a flat distal hanger (1) and an external hanger (102), one end of the flat distal hanger (1) is provided with a hanging fixing part (101), characterized in that: The suspension fixing part (101) is fixed with a buffer (2) at one end, the inner wall of the buffer (2) is fixed with a friction increasing rubber pad (204) at one side, the inner wall of the buffer (2) is slidably connected with a sliding block (201), the top and bottom of the sliding block (201) are fixed with a plurality of shock absorbing springs (202), the side of the sliding block (201) close to the inner wall of the buffer (2) is provided with a friction increasing protruding part (203), the side of the friction increasing rubber pad (204) close to the sliding block (201) is provided with a recess, the side of the sliding block (201) away from the friction increasing rubber pad (204) is fixed with the inner wall of the suspension fixing part (101), the friction increasing protruding part (203) is inserted into the recess, the bottom of the suspension fixing part (101) is fixed with a T-shaped plate (205), the bottom of the T-shaped plate (205) is fixed with a reinforcing rib (206), the bottom of the T-shaped plate (205) is fixed with a supporting rubber pad (207), and the top of the supporting rubber pad (207) is provided with a rhombic groove.

2. A quick change device for a maintenance vehicle as defined in claim 1, characterized in that: The inner wall of the buffer (2) is provided with a vertical sliding groove (3) at both ends, the inner wall of the vertical sliding groove (3) is slidably connected with a limiting wing plate (301), and one end of the limiting wing plate (301) is fixed with one end of the sliding block (201).

3. A quick change device for a maintenance vehicle as set forth in claim 1, wherein: The top of the sliding block (201) and the bottom of the sliding block (201) are fixed with a plurality of annular rings (4), and the height of the annular ring (4) is greater than the limit compression length of the shock absorbing spring (202).

4. The quick change device for a maintenance vehicle of claim 1, wherein: The top of the flat distal end hanger (1) is fixed with a resisting triangular plate (5), and the resisting triangular plate (5) is slidably connected to the side of the suspension fixing part (101).

5. A quick change device for a maintenance vehicle as set forth in claim 4, wherein: One end of the resisting triangular plate (5) is fixed with a ladder sliding strip (601), one side of the suspension fixing part (101) is provided with a ladder-shaped sliding groove (6), and the inner wall of the ladder-shaped sliding groove (6) is slidably connected with the surface of the ladder sliding strip (601).

6. A quick change device for a maintenance vehicle as set forth in claim 1, wherein: The outer connecting hanger (102) is provided with a plurality of circumferential grooves (7) on the circumferential surface, the top of the flat distal end hanger (1) is fixed with a limiting ladder plate (701), and the limiting ladder plate (701) is inserted into the circumferential groove (7).

7. A quick change device for a maintenance vehicle as set forth in claim 1, wherein: The inner wall of the suspension fixing part (101) is provided with a sunken groove (801), the inner wall of the sunken groove (801) is provided with a gasket (8), the depth of the sunken groove (801) is greater than the thickness of the gasket (8), the outer connecting hanger (102) is fixed with the suspension fixing part (101) through a nut, and the gasket (8) is attached to the nut.

8. A quick change device for a maintenance vehicle as set forth in claim 1, wherein: The flat distal end hanger (1) is fixed with a side suspension ring (9) on both sides.

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