CN215492478U

CN215492478U - Heavy truck electric power steering test bed

Info

Publication number: CN215492478U
Application number: CN202121591482.4U
Authority: CN
Inventors: 苏凡珈; 任博飞; 温焱扉; 张倩; 庞博文
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-11
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a heavy truck electric power steering test bed which comprises a test bed body, wherein a starting switch for starting a test bed test is arranged on the test bed body, and a protection mechanism for starting protection of the starting switch is arranged on the test bed body; protection machanism is including installing the U template on the test bench body, starting switch is located the inside of U template, there is the L template through direction subassembly sliding connection on the U template, the driving plate is installed, two to the both sides of L template the chute has been seted up on the driving plate, there is the transfer line through spacing subassembly sliding connection on two inner walls that the U template is relative. In the daily installation and operation process of the test bed, the starting switch is shielded and protected by the U-shaped plate and the L-shaped plate, so that the starting or stopping of the test equipment under the condition of no preparation due to mistaken touch on the starting switch is avoided, and the operation of the test bed is further facilitated.

Description

Heavy truck electric power steering test bed

Technical Field

The utility model belongs to the technical field of power-assisted characteristic test beds, and particularly relates to an electric power-assisted steering test bed for a heavy truck.

Background

The heavy truck electric power steering test bed mainly is used for detecting and developing a basic performance test of electric power steering, and a mechanical structure of the heavy truck electric power steering test bed mainly comprises a test bed frame, a simulation steering wheel input device, an EPS steering gear assembly, an output loading device and a starting switch.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the technical scheme that:

a heavy truck electric power steering test bed comprises a test bed body, wherein a starting switch for starting a test of the test bed is arranged on the test bed body, and a protection mechanism for starting protection of the starting switch is arranged on the test bed body;

protection machanism is including installing the U template on the test bench body, starting switch is located the inside of U template, there is the L template through direction subassembly sliding connection on the U template, the driving plate is installed, two to the both sides of L template the chute has been seted up on the driving plate, there is the transfer line through spacing subassembly sliding connection on two inner walls that the U template is relative, two the transfer line is located two chutes respectively, two be connected with the slurcam between the transfer line, the slurcam is located starting switch's top, be provided with on the test bench body and be used for the spacing fixed subassembly of L template slip.

The guide assembly comprises a fixed pipe fixed on the inner wall of the U-shaped plate, a sliding rod is connected onto the fixed pipe in a sliding mode, and the other end of the sliding rod is fixed with the L-shaped plate.

Install first spring on the inner wall of fixed pipe, the other end of first spring is fixed mutually with the one end that the slide bar is located fixed intraduct.

The limiting assembly comprises sliding grooves formed in two inner walls, opposite to each other, of the U-shaped plate, sliding blocks matched with the sliding grooves are connected to the sliding grooves in a sliding mode respectively, and the sliding blocks are fixed to one ends of the two transmission rods respectively.

The fixed subassembly is including seting up the circular slot on the test bench body, the circular slot is located the inside of U template, sliding connection has the extrusion round pin on the U template, install the second spring on the inner wall of circular slot, the other end and the extrusion round pin of second spring are fixed mutually, be provided with the arcwall face on the L template.

And the L-shaped plate is provided with a pushing pin which is positioned in the U-shaped plate and is not higher than the U-shaped plate.

Compared with the prior art, the utility model has the following beneficial effects:

in the daily installation and operation process of the test bed, the starting switch is shielded and protected by the U-shaped plate and the L-shaped plate, so that the starting or stopping of the test equipment under the condition of no preparation due to mistaken touch on the starting switch is avoided, and the operation of the test bed is further facilitated.

In the process that the L-shaped plate slides in the U-shaped plate, the extrusion pin is abutted against the side wall of the L-shaped plate under the action of the elastic force of the second spring, the L-shaped plate is fixed on the U-shaped plate, a fixing mechanism for the L-shaped plate after the starting switch is started is formed, the L-shaped plate does not need to be extruded any more after the starting switch is started, and the starting operation of the starting switch is further facilitated.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic view of the overall configuration of the present invention;

FIG. 2 is a schematic view of the shielding mechanism of the present invention;

FIG. 3 is a schematic view of a fixing assembly and a guiding assembly according to the present invention;

FIG. 4 is a schematic view of a stop assembly of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is an enlarged view at B in FIG. 2;

FIG. 7 is an enlarged view at C of FIG. 3;

fig. 8 is an enlarged view at D in fig. 4.

In the figure: 1-a test bed body; 2-starting a switch; 301-U-shaped plate; 302-L template; 303-a drive plate; 304-a chute; 305-a transmission rod; 306-a push plate; 307-pushing pins; 401-fixed tube; 402-a slide bar; 5-a first spring; 601-circular groove; 602-a second spring; 603-a squeeze pin; 604-an arc-shaped surface; 701-a sliding groove; 702 — a slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 8, the heavy truck electric power steering test bed comprises a test bed body 1, wherein a starting switch 2 for starting a test of the test bed is arranged on the test bed body 1, and a protection mechanism for starting and protecting the starting switch 2 is arranged on the test bed body 1;

the protection mechanism comprises a U-shaped plate 301 arranged on a test bed body 1, a starting switch 2 is positioned inside the U-shaped plate 301, the U-shaped plate 301 is connected with an L-shaped plate 302 in a sliding mode through a guide assembly, transmission plates 303 are arranged on two sides of the L-shaped plate 302, chutes 304 are formed in the two transmission plates 303, transmission rods 305 are connected to two inner walls, opposite to the U-shaped plate 301, of the U-shaped plate through limiting assemblies in a sliding mode, the two transmission rods 305 are respectively positioned on the two chutes 304, a push plate 306 is connected between the two transmission rods 305 and positioned above the starting switch 2, a fixing assembly for limiting sliding of the L-shaped plate 302 is arranged on the test bed body 1, the starting switch 2 is shielded and protected through the U-shaped plate 301 and the L-shaped plate 302 in the daily installation and operation process of the test bed, and the test bed is prevented from being started or stopped under the condition that the test bed is not prepared due to mistakenly touching the starting switch 2, further facilitating the operation of the test stand.

The guide assembly comprises a fixed pipe 401 fixed on the inner wall of the U-shaped plate 301, a sliding rod 402 is connected onto the fixed pipe 401 in a sliding mode, the other end of the sliding rod 402 is fixed with the L-shaped plate 302, and the sliding rod 402 slides in the fixed pipe 401 to guide the sliding of the L-shaped plate 302.

Install first spring 5 on the inner wall of fixed pipe 401, the other end of first spring 5 is located the inside one end of fixed pipe 401 with slide bar 402 and is fixed mutually, is convenient for pull L template 302 through first spring 5 and resets.

The limiting assembly comprises sliding grooves 701 arranged on two opposite inner walls of the U-shaped plate 301, the two sliding grooves 701 are respectively connected with sliding blocks 702 matched with the sliding grooves in a sliding mode, the two sliding blocks 702 are respectively fixed with one ends of the two transmission rods 305, and the transmission rods 305 can only vertically slide on the U-shaped plate 301 through the arrangement of the sliding grooves 701 and the sliding blocks 702.

Fixed subassembly is including offering the circular slot 601 on test bench body 1, circular slot 601 is located the inside of U template 301, sliding connection has extrusion pin 603 on U template 301, install second spring 602 on the inner wall of circular slot 601, the other end and the extrusion pin 603 of second spring 602 are fixed mutually, be provided with arcwall face 604 on the L template 302, through fixed subassembly, it is fixed on U template 301 with L template 302, no longer need one after the start-up to keep the extrusion to L template 302, further be convenient for start-up switch 2's start-up operation.

Install on L template 302 and promote round pin 307, promote round pin 307 and be located the inside of U template 301 and be not higher than U template 301, be convenient for promote L template 302 through promoting round pin 307, and will promote round pin 307 setting in the inside of U template 301, to promoting round pin 307 mistake promotion when avoiding the laboratory bench operation.

In the use process of the test bed, firstly, when the starting switch 2 needs to be started, the L-shaped plate 302 is pushed on the U-shaped plate 301 through the pushing pin 307, the L-shaped plate 302 horizontally slides in the U-shaped plate 301 under the guiding action of the fixed tube 401 and the sliding rod 402, and at the moment, the first spring 5 in the fixed tube 401 is stressed and stretched;

then, in the process that the L-shaped plate 302 horizontally slides in the U-shaped plate 301, the chutes 304 on the two transmission plates 303 abut against the transmission rods 305, the two transmission rods 305 are forced to move towards the test bed body 1 under the guiding action of the sliding grooves 701 and the sliding blocks 702, and in the process that the two transmission rods 305 move, the pushing plate 306 is driven to synchronously move, so that the pushing plate 306 abuts against the starting switch 2, and the starting of the starting switch 2 is realized;

finally, when starting switch 2 needs to be closed, L-shaped plate 302 is reset through pushing pin 307, pushing plate 306 is no longer abutted to starting switch 2, in the process of daily installation and operation of the test bed, starting switch 2 is shielded and protected through U-shaped plate 301 and L-shaped plate 302, the situation that starting switch 2 is touched by mistake to cause starting or stopping of the test equipment under the condition of not being prepared is avoided, and further operation of the test bed is facilitated.

Claims

1. The heavy truck electric power steering test bed comprises a test bed body (1) and is characterized in that a starting switch (2) for starting a test bed test is arranged on the test bed body (1), and a protection mechanism for starting and protecting the starting switch (2) is arranged on the test bed body (1);

protection machanism is including installing U template (301) on test bench body (1), starting switch (2) are located the inside of U template (301), there are L template (302) through guide assembly sliding connection on U template (301), driving plate (303) are installed to the both sides of L template (302), two chute (304) have been seted up on driving plate (303), there are transfer line (305), two through spacing subassembly sliding connection on two relative inner walls of U template (301) transfer line (305) two on transfer line (305) are located two chute (304), two be connected with between transfer line (305) slurcam (306), slurcam (306) are located the top of starting switch (2), be provided with on test bench body (1) and be used for L template (302) to slide spacing fixed subassembly.

2. The heavy truck electric power steering test bed according to claim 1, wherein the guide assembly comprises a fixed pipe (401) fixed on the inner wall of the U-shaped plate (301), a sliding rod (402) is slidably connected on the fixed pipe (401), and the other end of the sliding rod (402) is fixed with the L-shaped plate (302).

3. The heavy truck electric power steering test bed as claimed in claim 2, wherein a first spring (5) is mounted on the inner wall of the fixed pipe (401), and the other end of the first spring (5) is fixed with one end of the sliding rod (402) inside the fixed pipe (401).

4. The heavy truck electric power steering test bed as claimed in claim 1, wherein the limiting component comprises sliding grooves (701) formed on two opposite inner walls of the U-shaped plate (301), two sliding grooves (701) are respectively slidably connected with a matching sliding block (702), and the two sliding blocks (702) are respectively fixed with one end of two transmission rods (305).

5. The heavy truck electric power steering test bed according to claim 1, wherein the fixing component comprises a circular groove (601) formed in the test bed body (1), the circular groove (601) is located inside the U-shaped plate (301), an extrusion pin (603) is connected onto the U-shaped plate (301) in a sliding mode, a second spring (602) is installed on the inner wall of the circular groove (601), the other end of the second spring (602) is fixed with the extrusion pin (603), and an arc-shaped surface (604) is arranged on the L-shaped plate (302).

6. The heavy truck electric power steering test bed as claimed in claim 1, characterized in that the L-shaped plate (302) is provided with a pushing pin (307), and the pushing pin (307) is positioned inside the U-shaped plate (301) and is not higher than the U-shaped plate.