Braking force detection device for mining rubber-tyred vehicle

Abstract

The utility model discloses a mining rubber-tyred vehicle braking force detection device which comprises a base and an impact plate arranged at the front end of the base, bearing plates are installed on the outer walls of the two sides of the base, and a rear end plate and a front end plate which are distributed front and back are arranged on the end face of the end, away from the base, of each bearing plate. Air springs are arranged at the positions, corresponding to the impact plates, of the upper end and the lower end of the rear end plate, and extension rods are arranged at the output ends of the air springs, penetrate through the front end plate and are installed on the end faces of the impact plates. According to the braking force detection device for the rubber-tyred vehicle, the impact force can directly act on the pressure bearing plate, the impact plate does not make contact with the base, the situation that the whole base needs to be replaced to continue to be used due to the fact that the base is damaged and cannot be maintained is avoided, protection of the base is achieved, and the service life of the rubber-tyred vehicle is prolonged. And the equipment can be maintained only by detaching the bearing plate from the base and replacing the bearing plate, so that the maintenance cost of the equipment is reduced, the later maintenance efficiency of the equipment is improved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber -tired vehicle performance detection equipment technical field, concretely relates to a mine rubber -tired vehicle braking force detection device. BACKGROUND

[0002] The mine rubber -tired vehicle is a kind of special transport tool widely used in complex environment such as mine, construction site, with powerful cross-country ability and carrying capacity, can shuttle in narrow roadway, meet the transport demand in the process of coal production, is indispensable equipment in coal production, and mine rubber -tired vehicle braking force detection is the key link to ensure the safety performance of these vehicles, usually, first, set the test speed of vehicle braking, then start vehicle, let vehicle travel speed reach the test speed set, then carry out emergency braking, the distance that vehicle travels during braking, vehicle braking is measured, and the braking performance of vehicle is evaluated, to guarantee the safety and efficiency of mine transport operation.

[0003] However, in order to verify the braking distance of vehicle, prevent vehicle from rushing out of test area after out of control, cause harm to test personnel or surrounding environment, blocking mechanism is usually set in test area to block vehicle, and most of the existing blocking mechanisms are by setting base and impact plate, and spring is set between base and impact plate, the impact force of vehicle is buffered by spring, but when the impact force of vehicle is large, impact plate will receive large impact force and directly transmit impact force to base, cause base damage, increase the maintenance cost of later period.Therefore, the technical personnel in the art provides a mine rubber -tired vehicle braking force detection device to solve the problems in the background art. UTILITARIAN CONTENT

[0004] The utility model aims at providing a mine rubber -tired vehicle braking force detection device to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A mine rubber -tired vehicle braking force detection device, comprising: base and the impact plate set at its front end, both sides outer wall of base are equipped with pressure plate, the end face of the one end of pressure plate away from base is provided with the rear end plate and front end plate distributed in front and back, and, the upper and lower ends of rear end plate correspond with the position of impact plate are equipped with gas spring, the output end of gas spring is provided with the extension rod, the extension rod is penetrated to front end plate and is installed at the end face of impact plate, and the outer wall of extension rod is provided with annular end plate at the side of front end plate away from rear end plate, and the end face between annular end plate and front end plate is provided with buffer spring around the outside of extension rod.

[0007] Preferably, the pressure bearing plate is uniformly provided with a plurality of limiting blocks at one end face close to the base, the side wall of the base is provided with a groove at a position corresponding to the limiting block, the limiting block is inserted into the groove, and the pressure bearing plate is attached to the side wall of the base.

[0008] Preferably, the front end plate is provided with a through hole at a position corresponding to the extending rod, the extending rod extends through the through hole to the other side of the front end plate and slides in the through hole.

[0009] Preferably, the area of the end face of the annular end plate is greater than the opening area of the through hole.

[0010] Preferably, the distance between the annular end plate and the front end plate is less than the distance between the impact plate and the base.

[0011] Preferably, the end face of the impact plate away from the base is provided with a contact plate for contacting the mine rubber-tyred vehicle, and the material of the contact plate is rubber.

[0012] Preferably, the four corners of the pressure bearing plate are provided with fixing bolts, the fixing bolts penetrate the pressure bearing plate and are screw-mounted in the base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] When in use, the impact force received by the impact plate can be buffered by the gas springs and the buffer springs on the pressure bearing plate, the moving distance of the impact plate is limited by the annular end plate, the buffered impact force is directly applied to the pressure bearing plate, the impact plate is prevented from contacting the base, the base is prevented from being damaged by a large impact force, the situation that the base cannot be repaired and needs to be replaced as a whole to continue to use is avoided, the protection of the base is realized, when the impact force of the rubber-tyred vehicle is large, the pressure bearing plate is damaged by the large impact force transmitted by the impact plate, the maintenance of the equipment can be completed by only disassembling and replacing the pressure bearing plate from the base, the structure is simple and the operation is convenient, the maintenance cost of the equipment is reduced, the maintenance efficiency of the equipment in the later period is improved, and the utility model has high practicality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of a mine rubber-tyred vehicle braking force detection device according to an embodiment of the utility model;

[0016] Figure 2 It is a side view of a mine rubber-tyred vehicle braking force detection device according to an embodiment of the utility model;

[0017] Figure 3 It is a split schematic view of a base and a pressure bearing plate according to an embodiment of the utility model;

[0018] Figure 4The utility model discloses a three-dimensional schematic view of the impact plate according to an embodiment of the utility model.

[0019] In the figure: 1, base; 101, recess; 2, impact plate; 21, contact plate; 3, pressure bearing plate; 31, rear end plate; 32, front end plate; 321, through hole; 33, gas spring; 34, extension rod; 35, annular end plate; 36, buffer spring; 37, limiting plug; 38, fixing bolt. DETAILED DESCRIPTION

[0020] In the description of the utility model, it needs to understand that the orientation or positional relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, or be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0021] Combination Figures 1-4 As shown, the two side outer walls of the base 1 are each provided with a pressure bearing plate 3, the end face of the pressure bearing plate 3 away from the base 1 is provided with a rear end plate 31 and a front end plate 32 distributed in front and back, and the upper and lower ends of the rear end plate 31 are each provided with a gas spring 33 at the corresponding position of the impact plate 2, the output end of the gas spring 33 is provided with an extension rod 34, the extension rod 34 penetrates through the front end plate 32 and is installed on the end face of the impact plate 2, and the outer wall of the extension rod 34 on the side of the front end plate 32 away from the rear end plate 31 is provided with an annular end plate 35, and the end face of the annular end plate 35 and the front end plate 32 are provided with a buffer spring 36 around the outside of the extension rod 34.

[0022] In one embodiment, when the pressure bearing plate 3 is installed, the limiting plug 37 of one end face of the pressure bearing plate 3 is inserted into the recess 101, the end face of the pressure bearing plate 3 is attached to the side wall of the base 1, and then the fixing bolts 38 of the four corners of the pressure bearing plate 3 are tightened to fix the pressure bearing plate 3 on the side wall of the base 1, so that the installation of the pressure bearing plate 3 is completed, the structure is simple, disassembly is convenient, and the later maintenance work can be facilitated.

[0023] In one embodiment, since the pressure plate 3 is uniformly provided with a plurality of limiting blocks 37 near the end face of one end of the base 1, the side wall of the base 1 is provided with a groove 101 at a position corresponding to the limiting block 37, and the limiting block 37 is inserted into the groove 101, when the pressure plate 3 is impacted by the impact force transmitted by the impact plate 2, the plurality of limiting blocks 37 can support the pressure plate 3 subjected to the impact force, preventing the impact force on the pressure plate 3 from directly acting on the fixing bolt 38, avoiding the situation that the pressure plate 3 is separated from the base 1 due to the fracture of the fixing bolt 38 under stress, and ensuring the stability of the pressure plate 3.

[0024] In one embodiment, since the front end plate 32 is provided with a through hole 321 at a position corresponding to the extension rod 34, the extension rod 34 extends through the through hole 321 to the other side of the front end plate 32 and slides inside it, when the impact plate 2 is impacted and extruded against the extension rod 34, the extension rod 34 can slide inside the through hole 321 towards the inside of the gas spring 33, without the front end plate 32 interfering with the displacement of the extension rod 34, ensuring the use of the gas spring 33.

[0025] In one embodiment, when the impact plate 2 is impacted, the impact plate 2 can push the extension rod 34 to displace, allowing the extension rod 34 to drive the annular end plate 35 mounted thereon to displace and extrude the buffer spring 36 towards the gas spring 33, allowing the gas spring 33 and the buffer spring 36 to simultaneously buffer the force on the impact plate 2, reducing the impact force on the impact plate 2 and the pressure plate 3, and achieving protection of the vehicle and the pressure plate 3.

[0026] In one embodiment, since the end face area of the annular end plate 35 is larger than the opening area of the through hole 321, and the distance between the annular end plate 35 and the front end plate 32 is smaller than the distance between the impact plate 2 and the base 1, when the impact force on the impact plate 2 is large, the annular end plate 35 following the displacement of the extension rod 34 can be tightly attached to the end face of the front end plate 32, and the movement distance of the annular end plate 35 and the extension rod 34 is limited by the front end plate 32, thereby limiting the movement distance of the impact plate 2 subjected to impact, preventing the impact plate 2 from contacting the base 1, preventing the base 1 from being damaged by a large impact force, avoiding the situation that the base 1 cannot be repaired and needs to be replaced as a whole to continue to be used, and achieving protection of the base 1.

[0027] In one embodiment, since the end face of the impact plate 2 away from the base 1 is provided with a contact plate 21 for contacting with the mine rubber-tyred vehicle, the material of the contact plate 21 is rubber, when the impact plate 2 is collided by the rubber-tyred vehicle, the rubber material of the contact plate 21 can be contacted with the rubber-tyred vehicle, the impact plate 2 and the rubber-tyred vehicle are buffered by the rubber material of the contact plate 21, so that the rubber-tyred vehicle is not directly contacted with the impact plate 2 with hard material, the situation that the rubber-tyred vehicle is damaged seriously due to the collision with the impact plate 2 with hard material is avoided, and the protection of the rubber-tyred vehicle is realized.

[0028] The working principle of the utility model is: when the braking force of the rubber-tyred vehicle is detected, the test speed of the rubber-tyred vehicle braking can be set, then the rubber-tyred vehicle is started, and the rubber-tyred vehicle is braked urgently after the speed reaches the set test speed, the braking performance of the vehicle is evaluated through the distance of the rubber-tyred vehicle in the braking process, then the base 1 and the impact plate 2 block the rubber-tyred vehicle to prevent the rubber-tyred vehicle from rushing out of the test area after losing control, the impact plate 2 is pushed to displace the extending rod 34 after being impacted by the rubber-tyred vehicle, the annular end plate 35 installed on the extending rod 34 is displaced to extrude the buffer spring 36 in the direction of the gas spring 33, the force suffered by the impact plate 2 is buffered by the gas spring 33 and the buffer spring 36, the impact intensity of the impact plate 2 and the pressure plate 3 is reduced, the protection of the vehicle and the pressure plate 3 is realized, then the front end plate 32 limits the annular end plate 35 following the displacement of the extending rod 34, the movement distance of the annular end plate 35, the extending rod 34 and the impact plate 2 is limited, the buffered impact force is directly applied to the pressure plate 3, the impact plate 2 is not contacted with the base 1, the base 1 is prevented from being damaged by the large impact force, the situation that the base 1 cannot be repaired and needs to be replaced as a whole to continue to be used is avoided, the protection of the base 1 is realized, and when the impact intensity of the rubber-tyred vehicle is large, the pressure plate 3 is damaged after being impacted by the large impact force transmitted by the impact plate 2, the maintenance of the equipment can be completed by only disassembling and replacing the pressure plate 3 from the base 1, the structure is simple, the operation is convenient, the maintenance cost of the equipment is reduced, the maintenance efficiency of the equipment in the later period is improved, and the practicality is high.

[0029] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A mine rubber-tyred vehicle braking force detection device comprising: The base (1) and the impact plate (2) arranged at the front end of the base (1) are characterized in that the two side walls of the base (1) are each provided with a pressure bearing plate (3), the pressure bearing plate (3) is provided with a rear end plate (31) and a front end plate (32) distributed in front and back at the end face away from the base (1), the upper and lower ends of the rear end plate (31) are each provided with a gas spring (33) at the corresponding position of the impact plate (2), the output end of the gas spring (33) is provided with an extension rod (34), the extension rod (34) penetrates through the front end plate (32) and is installed at the end face of the impact plate (2), and the outer wall of the extension rod (34) is provided with an annular end plate (35) on the side of the front end plate (32) away from the rear end plate (31), and the buffer spring (36) is arranged around the outside of the extension rod (34) between the end face of the annular end plate (35) and the front end plate (32).

2. The mine rubber-tyred vehicle braking force detection device according to claim 1, characterized by, The pressure bearing plate (3) is uniformly provided with a plurality of limiting plug blocks (37) at the end face close to the base (1), the side wall of the base (1) is provided with a groove (101) at the corresponding position of the limiting plug block (37), the limiting plug block (37) is inserted into the groove (101), and the pressure bearing plate (3) is attached to the side wall of the base (1).

3. The mine rubber-tyred vehicle braking force detection device according to claim 1, characterized by, The front end plate (32) is provided with a through hole (321) at the corresponding position of the extension rod (34), and the extension rod (34) penetrates through the through hole (321) and extends to the other side of the front end plate (32) and slides in the inside.

4. The mine rubber-tyred vehicle braking force detection device according to claim 3, characterized by, The end face area of the annular end plate (35) is greater than the opening area of the through hole (321).

5. The mine rubber-tyred vehicle braking force detection device according to claim 1, characterized by, The distance between the annular end plate (35) and the front end plate (32) is less than the distance between the impact plate (2) and the base (1).

6. The mine rubber-tyred vehicle braking force detection device according to claim 1, characterized by The end face of the impact plate (2) away from the base (1) is provided with a contact plate (21) for contacting the rubber-tyred vehicle, and the material of the contact plate (21) is rubber.

7. The mine rubber-tyred vehicle braking force detection device according to claim 1, characterized by, The four corners of the pressure bearing plate (3) are each provided with a fixing bolt (38), the fixing bolt (38) penetrates through the pressure bearing plate (3) and is threadedly installed in the inside of the base (1).

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