CN107804256A - A kind of anticollision robot for automobile - Google Patents

Abstract

The invention relates to an anti-collision robot for automobiles, comprising a front anti-collision beam body and a front anti-collision beam left mounting plate and a front anti-collision beam right mounting plate located at The body of the crash beam, the left mounting plate of the front anti-collision beam, and the right mounting plate of the front crash beam are split structures, which are connected together by welding. The right mounting plate is made of cold stamping of high-strength steel plate.

Description

An anti-collision robot for cars

technical field

The invention relates to the technical field of auto parts, in particular to an anti-collision robot for automobiles.

Background technique

In the design of the front anti-collision beam, it is necessary to comprehensively consider the requirements of pedestrian protection, low-speed collision regulations, frontal collision, offset collision and insurance associations within the limited layout space of the front of the car, and find a best one that can meet each requirement. balance point. At the same time, the stamping, welding and replacement requirements of the beam structure also need to be considered. At present, the forming processes of the front anti-collision beam include cold stamping, hot stamping and roll forming. Their advantages and disadvantages in terms of cost, process, material utilization, performance and layout space are shown in the following table:

cold stamping Rolling Thermoforming Mold cost more expensive relatively cheap expensive Material utilization generally Relatively high generally Inheritance Difference relatively good Difference Occupy layout space Flexible cross-section, relatively small Equal arc, relatively large Flexible cross-section, relatively small weight loss effect generally generally obvious

Contents of the invention

The technical problem to be solved by the present invention is to provide an anti-collision robot for automobiles in view of the defects of poor buffering effect and impact resistance of the existing automobile front anti-collision beams.

The technical scheme of the present invention to solve the above-mentioned technical problems is as follows: an anti-collision robot for automobiles, comprising an anti-collision beam body and a car body steel frame, and the two ends of the anti-collision beam body are respectively movable with the car body steel frame Cooperate; a group of elastic buffer devices are respectively symmetrically arranged at both ends of the anti-collision beam body, and each group of elastic buffer devices includes an elastic slider structure, a first elastic tube and a chute, and the chute is arranged on the On the steel frame of the car body, one end of the elastic slider structure is fixedly connected to the end of the anti-collision beam body, the other end of the elastic slider structure extends into the chute, and the first elastic The tube is movably sleeved on the elastic slider structure between the anti-collision beam body and the car body steel frame; one end of the first elastic tube is fixedly connected with the anti-collision beam body; the elastic Both the slider structure and the chute are stepped structures.

The beneficial effects of the present invention are: it can realize multi-stage buffering, energy absorption and impact resistance, effectively disperse and buffer the impact force received by the front part of the vehicle, greatly reduce the impact on the vehicle body and personnel in the vehicle, and ensure the safety of the vehicle body and personnel in the vehicle; A set of elastic buffer devices are arranged symmetrically at both ends of the anti-collision beam body. After the anti-collision beam body is hit, the elastic slider structure will slide back and forth, gradually weakening the impact force, and realizing the first level of buffering and energy absorption; The arrangement of the elastic tube can improve the rigidity of the elastic slider structure, and the stepped structure of the elastic slider structure and the chute can prevent the elastic slider structure from breaking away from the chute, causing damage to the front of the vehicle.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further: the elastic slider structure includes a first slider and a second slider, one end of the first slider is fixedly connected to the end of the anti-collision beam body, and the other end of the first slider is connected to the The second slider is fixedly connected; the width of the first slider is smaller than the width of the second slider.

Further: the chute includes a first stepped chute and a second stepped chute, the first stepped chute is arranged at the front end of the second stepped chute; the second slider is movable In the second stepped chute; the width of the first stepped chute is smaller than the width of the second stepped chute; the width of the second slider is larger than the first stepped chute width.

The beneficial effect of the above two-step solution is: the width of the second slider is greater than the width of the first stepped chute, which can effectively prevent the second slider from breaking away from the chute, thereby effectively ensuring the anti-collision beam body and the steel frame of the car body stable connection.

Further: the rigidity of the second slider is greater than the rigidity of the first slider.

The beneficial effect of the above further solution is to prevent the second sliding block from extruding out of the second stepped chute due to the impact force.

Further: an energy-absorbing device is provided at the rear end of the anti-collision beam body, and the energy-absorbing device is fixedly connected with the anti-collision beam body; the energy-absorbing device includes a plurality of energy-absorbing tubes, cushion pads, and multiple Springs and fixing plates, one end of the plurality of energy-absorbing tubes is fixedly connected to the body of the anti-collision beam, the other end of the plurality of energy-absorbing tubes is fixedly connected to the mounting seat on the buffer pad, and the fixing plate is fixed It is arranged at the rear end of the buffer pad, one end of the plurality of buffer springs is fixedly connected to the buffer pad, and the other end of the plurality of buffer springs is fixedly connected to the fixing plate.

The beneficial effect of the above further solution is: by setting the energy absorbing device, the second level of buffering and energy absorbing is realized, and the impact force received by the anti-collision beam body is further dispersed and weakened through multiple energy absorbing tubes, buffer pads and multiple buffer springs, Thereby effectively guaranteeing the safety of the vehicle body and personnel.

Further: a second elastic tube is sleeved on the outside of each of the buffer springs, and both ends of each of the second elastic tubes are respectively fixedly connected to the buffer pad and the fixing plate.

The beneficial effect of the above further proposal is that the second elastic tube can protect the buffer spring and prevent the buffer spring from being rusted and affecting its buffering and energy-absorbing effect.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of chute of the present invention;

Fig. 3 is a cross-sectional view of the square wrinkled structure of the anti-collision beam body of the present invention;

Fig. 4 is a cross-sectional view of the arc-shaped wrinkled structure of the anti-collision beam body of the present invention;

In the accompanying drawings, the names of the parts represented by each label are as follows:

1. Anti-collision beam body, 11. Slow rebound material, 2. Elastic buffer device, 21. Elastic slider structure, 211. First slider, 212. Second slider, 22. First elastic tube, 23. Chute, 231, first stepped chute, 232, second stepped chute, 3, car body steel frame, 4, energy absorbing device, 41, energy absorbing tube, 411, mounting seat, 42, buffer pad, 43 , buffer spring, 44, the second elastic tube, 45, fixed plate.

Detailed ways

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figure 1, an anti-collision robot for automobiles comprises an anti-collision beam body 1 and a car body steel frame 3, and the two ends of the anti-collision beam body 1 are respectively movable with the car body steel frame 3 Cooperation; the anti-collision beam body 1 is a bent structure adapted to the structure of the front part of the vehicle body.

A group of elastic buffer devices 2 are respectively symmetrically arranged at both ends of the anti-collision beam body 1, and each group of elastic buffer devices 2 includes an elastic slider structure 21, a first elastic tube 22 and a chute 23. The groove 23 is arranged on the steel frame 3 of the vehicle body, one end of the elastic slider structure 21 is fixedly connected with the end of the anti-collision beam body 1, and the other end of the elastic slider structure 21 extends into the In the chute 23, the first elastic tube 22 is movably sleeved on the elastic slider structure 21 between the anti-collision beam body 1 and the vehicle body steel frame 3; the first elastic tube 22 One end is fixedly connected with the anti-collision beam body 1; the elastic slider structure 21 and the chute 23 are both stepped structures.

The elastic slider structure 21 includes a first slider 211 and a second slider 212, one end of the first slider 211 is fixedly connected to the end of the anti-collision beam body 1, and the first slider 211 The other end of the second slider 212 is fixedly connected; the width of the first slider 211 is smaller than the width of the second slider 212 .

As shown in FIG. 2 , the chute 23 includes a first stepped chute 231 and a second stepped chute 232 , the first stepped chute 231 is arranged at the front end of the second stepped chute 232 The second slider 212 is movably arranged in the second stepped chute 232; the width of the first stepped chute 231 is smaller than the width of the second stepped chute 232; the second The width of the slider 212 is greater than the width of the first stepped chute 231, and the width of the second slider 212 is less than or equal to the width of the second stepped chute 232; The width is less than or equal to the width of the first stepped sliding groove 231 .

The length of the first sliding block 211 is greater than the length of the second sliding block 212 ; the length of the second stepped chute 232 is greater than the length of the first stepped chute 231 .

The rigidity of the second slider 212 is greater than the rigidity of the first slider 211 .

The rear end of the anti-collision beam body 1 is provided with an energy-absorbing device 4, and the energy-absorbing device 4 is fixedly connected with the anti-collision beam body 1; the energy-absorbing device 4 includes a plurality of energy-absorbing tubes 41, a buffer pad 42. A plurality of buffer springs 43 and a fixed plate 45, one end of the plurality of energy-absorbing tubes 41 is fixedly connected to the anti-collision beam body 1, and the other end of the plurality of energy-absorbing tubes 41 is connected to the buffer pad 42 The mounting seat 411 on the upper part is fixedly connected, the fixed plate 45 is fixedly arranged on the rear end of the buffer pad 42, one end of the plurality of buffer springs 43 is fixedly connected with the buffer pad 42, and the plurality of buffer springs 43 are fixedly connected to the buffer pad 42. The other end of the spring 43 is fixedly connected with the fixing plate 45 .

The fixing plate 45 is fixedly connected with the vehicle body steel frame 3 , which is not shown in the figure.

A second elastic tube 44 is sleeved on the outer side of each of the buffer springs 43 , and both ends of each of the second elastic tubes 44 are respectively fixedly connected to the buffer pad 42 and the fixing plate 45 .

The plurality of energy-absorbing tubes 41 are symmetrically and evenly distributed between the anti-collision beam body 1 and the buffer pad 42, and the plurality of buffer springs 43 are symmetrically and evenly distributed between the buffer pad 42 and the fixing plate. Between 45, the impact force received by the front anti-collision beam assembly of the automobile can be evenly dispersed, and the cushioning effect and service life are improved.

In this embodiment, the number of the energy absorbing tubes 41 is three, and the number of the buffer springs 43 is two. The center line of the anti-collision beam body 1, the buffer pad 42 and the fixing plate 45 are located on the same vertical plane, which further enables the impact force received by the front anti-collision beam assembly of the automobile to be evenly dispersed, thereby improving the cushioning effect and using life.

The energy-absorbing tube 41 is an energy-absorbing box structure commonly used in the prior art, and its specific structure and working principle are known in the art, and will not be repeated here.

As shown in Fig. 3 and Fig. 4, the front and rear ends of the anti-collision beam body 1 are wrinkled structures, and the anti-collision beam body 1 is filled with a slow rebound material 11, and the slow rebound material 11 It is memory foam or natural rubber; by filling the anti-collision beam body 1 with slow rebound material 11, the anti-collision beam body 1 can restore its original shape after being hit, reducing its deformation and improving its service life.

The folded structure on the front and rear ends of the anti-collision beam body 1 can be a square folded structure, as shown in FIG. 3 , or an arc folded structure, as shown in FIG. 4 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (6)

1. An anti-collision robot for automobiles, characterized in that: comprise a front anti-collision beam body and a front anti-collision beam left mounting plate and a front anti-collision beam right mounting plate positioned at the left and right ends of the front anti-collision beam body, And the front anti-collision beam body, the left mounting plate of the front anti-collision beam, and the right mounting plate of the front anti-collision beam are split structures, which are connected together by welding. The front anti-collision beam body, the left mounting plate of the front anti-collision beam and the front The right mounting plate of the anti-collision beam is made of cold stamping of high-strength steel plate; It includes the anti-collision beam body and the steel frame of the car body, and the two ends of the anti-collision beam body are respectively movably matched with the steel frame of the car body; a group of elastic buffer devices are symmetrically arranged at the two ends of the anti-collision beam body, Each set of elastic buffer devices includes an elastic slider structure, a first elastic tube and a chute, the chute is arranged on the steel frame of the car body, and one end of the elastic slider structure is connected to the anti-collision beam The end of the body is fixedly connected, the other end of the elastic slider structure extends into the chute, and the first elastic tube is movably sleeved between the anti-collision beam body and the steel frame of the vehicle body. On the structure of the elastic slider; one end of the first elastic tube is fixedly connected to the body of the anti-collision beam; the structure of the elastic slider and the chute are both stepped structures. 2. A kind of anti-collision robot for automobile according to claim 1, characterized in that: said elastic slider structure comprises a first slider and a second slider, one end of said first slider is connected to said The end of the anti-collision beam body is fixedly connected, and the other end of the first slider is fixedly connected to the second slider; the width of the first slider is smaller than the width of the second slider. 3. A kind of anti-collision robot for automobile according to claim 2, characterized in that: said chute comprises a first stepped chute and a second stepped chute, said first stepped chute is set At the front end of the second stepped chute; the second slider is movably arranged in the second stepped chute; the width of the first stepped chute is smaller than that of the second stepped chute The width; the width of the second slider is greater than the width of the first stepped chute. 4. An anti-collision robot for automobiles according to claim 3, characterized in that: the rigidity of the second slider is greater than that of the first slider. 5. A kind of anti-collision robot for automobile according to claim 1, characterized in that: an energy-absorbing device is arranged at the rear end of the anti-collision beam body, and the energy-absorbing device and the anti-collision beam body Fixed connection; the energy-absorbing device includes a plurality of energy-absorbing tubes, buffer pads, a plurality of buffer springs and a fixed plate, one end of the plurality of energy-absorbing tubes is fixedly connected to the anti-collision beam body, and the plurality of energy-absorbing tubes The other end of the energy tube is fixedly connected to the mounting seat on the buffer pad, the fixed plate is fixedly arranged on the rear end of the buffer pad, one end of the plurality of buffer springs is fixedly connected to the buffer pad, and the The other ends of the plurality of buffer springs are fixedly connected with the fixing plate. 6. A kind of anti-collision robot for automobile according to claim 5, characterized in that: a second elastic tube is sleeved on the outside of each of the buffer springs, and each of the second elastic tubes Both ends are respectively fixedly connected with the buffer pad and the fixing plate.