CN111189570A

CN111189570A - Rack braking force detection expansion frame

Info

Publication number: CN111189570A
Application number: CN201911301990.1A
Authority: CN
Inventors: 张志勇; 冯浩; 衡威威; 关闯
Original assignee: Academy Of Forensic Science
Current assignee: Academy Of Forensic Science
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-05-22

Abstract

The invention relates to a bench braking force detection expansion rack. The bench braking force detection expansion frame is applied to a chest expander and comprises a bottom plate, wherein the bottom plate is fixedly connected with the chest expander through a bolt, the bottom plate is rectangular, and two ends of the bottom plate along the length direction are bent upwards to form a first side plate and a second side plate respectively; one end of each stabilizer bar is fixed on the first side plate, the other end of each stabilizer bar is fixed on the second side plate, and the stabilizer bars are arranged in parallel; the first tension hook is fixedly arranged on the outer side of the first side plate; and the second tension hook is arranged on the outer side of the second side plate, and the tail end of the second tension hook is connected with the chest expander. The invention provides a rack braking force detection expansion frame, which is convenient to operate and good in detection effect and can be used for detecting the braking force of an electric small vehicle.

Description

Rack braking force detection expansion frame

Technical Field

The invention relates to the technical field of testing of motor vehicles, in particular to a bench braking force detection expansion frame which is matched with a chest expander for use and used for detecting the braking force of an electric small vehicle.

Background

The electric small vehicle is a small vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor to run and meets various requirements of road traffic and safety regulations. The electric vehicle runs by using electric energy, the noise of the product is low, and zero emission is realized.

The demand for detection of braking force of electric small vehicles is also continuously increasing in order to secure road safety. At present, a set of testing device for detecting the braking force of the electric small-sized vehicle is urgently needed to be developed in the market.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a rack braking force detection expansion rack which is convenient to operate and good in detection effect, and realizes the detection of the braking force of an electric small vehicle.

Specifically, the invention provides a rack braking force detection expansion rack, which is applied to a chest expander and comprises:

the bottom plate is fixedly connected with the chest expander through bolts, is rectangular, and is bent upwards at two ends along the length direction to form a first side plate and a second side plate respectively;

one end of each stabilizer bar is fixed to the first side plate, the other end of each stabilizer bar is fixed to the second side plate, and the stabilizer bars are arranged in parallel;

the first tension hook is fixedly arranged on the outer side of the first side plate;

and the second tension hook is arranged on the outer side of the second side plate, and the tail end of the second tension hook is connected with the chest expander.

According to one embodiment of the invention, the base plate is made of sheet metal material.

According to one embodiment of the invention, the device comprises four bolts, four threaded holes are formed in the bottom plate, and the bolts are matched with the threaded holes.

According to one embodiment of the invention, the bolt is of type M5.

According to one embodiment of the invention, the first tension hook is fixed with the first side plate in a threaded fit manner.

According to one embodiment of the invention, the stabilizer comprises two stabilizer bars, the length direction of each stabilizer bar is consistent with the length direction of the base plate, and the plane of each stabilizer bar is parallel to the plane of the base plate.

According to one embodiment of the invention, two ends of the two stabilizer bars are respectively locked on the first side plate and the second side plate through hexagonal nuts.

According to one embodiment of the invention, during the test, the first draw hook is connected to one end applying the pulling force, and the second draw hook is connected to one end of the vehicle to be tested for the friction force.

According to one embodiment of the invention, the first side plate and the second side plate are arranged in parallel and are equal in size.

According to one embodiment of the present invention, the first hook is located at a center of the first side plate, and the second hook is located at a center of the second side plate, and the first hook and the second hook are spaced apart from each other.

The rack brake force detection expansion frame provided by the invention realizes detection of the brake force of the electric small vehicle, and is convenient to operate and good in detection effect.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention.

In the drawings:

fig. 1 is a schematic structural view showing a gantry braking force detection expansion frame according to an embodiment of the present invention.

Fig. 2 is a side schematic view of fig. 1.

Wherein the figures include the following reference numerals:

bottom plate 101 of bench braking force detection expansion rack 100

Stabilizer bar 102 first tension hook 103

Second tension hook 104 bolt 105

First side plate 106 second side plate 107

Hexagon nut 108

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.

Fig. 1 is a schematic structural view showing a gantry braking force detection expansion frame according to an embodiment of the present invention. Fig. 2 is a side schematic view of fig. 1. Fig. 1 and 2 show a gantry braking force detection expansion frame 100 provided by the present invention from different angles, so as to describe the connection relationship between the components thereof in conjunction with the following text. As shown in the figure, a bench brake force detection expansion bracket 100 is used in cooperation with a spring exerciser and is mainly used for detecting the brake force of an electric small vehicle. The gantry braking force detection extension gantry 100 mainly includes a base plate 101, a plurality of stabilizer bars 102, a first tension hook 103, and a second tension hook 104.

Wherein, the bottom plate 101 is fixedly connected with the spring exerciser through a bolt 105. The bottom surface of the bottom plate 101 is provided with screw holes, the bottom of the chest expander is provided with threaded holes, the threaded holes correspond to the screw holes one to one, and the bolts 105 penetrate through the screw holes and are in threaded fit and fixation with the threaded holes. The base plate 101 is fixed to the bottom of the chest developer by bolts 105. The bottom plate 101 is rectangular, and is bent upward along both ends in the longitudinal direction thereof to form a first side plate 106 and a second side plate 107, respectively.

One end of each stabilizer bar 102 is fixed on the first side plate 106, the other end is fixed on the second side plate 107, and the stabilizer bars 102 are arranged in parallel to enhance the rigidity of the fixing frame braking force detection expansion frame and keep the whole structure stable in the test process. By way of example and not limitation, only two stabilizer bars 102 are employed for reinforcement in the embodiment illustrated in the drawings.

The first tension hook 103 is fixedly arranged on the outer side of the first side plate 106. And a second tension hook 104 arranged at the outer side of the second side plate 107, wherein the tail end of the second tension hook 104 is connected with the spring exerciser. It is apparent that the tensile force applied to the first hook 103 and the second hook 104 is opposite in direction during the test.

Preferably, the bottom plate 101 is made of a sheet metal material, so that the test effect is prevented from being influenced by deformation in the test.

Preferably, referring to fig. 1, the gantry braking force detection extension gantry 100 includes four bolts 105. Four screw holes are formed in the base plate 101, and bolts 105 are fitted to the screw holes. More preferably, bolt 105 is of type M5.

Preferably, the first hook 103 is fixed to the first side plate 106 by screw-fitting.

Preferably, the length direction of the two stabilizer bars 102 is the same as the length direction of the base plate 101, and the plane of the two stabilizer bars 102 is parallel to the plane of the base plate 101, so that the overall structure is more stable.

Preferably, the two ends of the stabilizer bar 102 are respectively locked on the first side plate 106 and the second side plate 107 by hexagonal nuts 108.

Preferably, the first side plate 106 and the second side plate 107 are arranged in parallel and are equal in size. The first side plate 106 and the second side plate 107 are substantially perpendicular to the bottom surface of the base plate 101, and the entire gantry braking force detection extension gantry 100 is rectangular. Preferably, the first hook is located at the center of the first side plate 106, and the second hook is located at the center of the second side plate 107, which are spaced apart from each other. The pulling force applied to the first pulling hook and the second pulling hook is opposite in direction and is positioned on the same straight line.

In the test process, the first draw hook 103 is connected to one end for applying the pulling force, and the second draw hook 104 is connected to one end of the electric small vehicle for testing the friction force. The spring exerciser detects the braking force of the electric small-sized vehicle through the second draw hook.

The bench braking force detection expansion rack 100 provided by the invention has the following advantages:

1. compact structure, flexible and convenient installation.

2. The operation is convenient.

3. Is suitable for industrial production and effectively reduces the cost.

4. Has firm structure and can be used repeatedly.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. The extension frame is detected to rack braking force is applied to the chest expander, includes:

2. The gantry brake force detection extension frame of claim 1, wherein the base plate is made of sheet metal material.

3. The bench brake force detection expansion bracket of claim 1, comprising four bolts, wherein four threaded holes are formed in the bottom plate, and the bolts are adapted to the threaded holes.

4. The rack brake force detection extension bracket of claim 1, wherein the bolt is M5.

5. The bench brake force detection extension bracket of claim 1, wherein the first tension hook is fixed in threaded engagement with the first side plate.

6. The gantry braking force detection extension frame of claim 1, comprising two stabilizer bars, wherein the length direction of the stabilizer bars is consistent with the length direction of the base plate, and the plane of the two stabilizer bars is parallel to the plane of the base plate.

7. The bench brake force detection expansion bracket of claim 6, wherein two ends of the two stabilizer bars are respectively locked on the first side plate and the second side plate by hexagonal nuts.

8. The rack braking force detection expansion bracket of claim 1, wherein during the test, the first hook is connected to the end applying the pulling force, and the second hook is connected to the end of the vehicle to be tested for the friction force.

9. The gantry brake force detection extension frame of claim 1, wherein the first side plate and the second side plate are arranged in parallel and are equal in size.

10. The bench brake force sensing extender of claim 9, wherein said first retractor is centrally located on said first side plate and said second retractor is centrally located on said second side plate, with said first retractor and said second retractor being spaced apart from each other.