CN112588188B

CN112588188B - Preparation device and preparation method of electronic parking caliper rust adhesion test solution

Info

Publication number: CN112588188B
Application number: CN202011242588.3A
Authority: CN
Inventors: 丁昶权; 徐骞; 李小刚; 江巍; 胡守岭
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-11-23
Anticipated expiration: 2040-11-09
Also published as: CN112588188A

Abstract

The invention relates to a device and a method for preparing an electronic parking caliper rust adhesion test solution. This configuration device includes the container, filter chamber and balance, the top of container is provided with the filler, the filter chamber sets up in the container, the top and the filler intercommunication of filter chamber, balance includes the connecting block, first branch and second branch, the upper end setting of first branch is in the filter chamber, the upper end of first branch is provided with the tray, tray clearance fit is in the filter chamber, the bottom of filter chamber is passed in the lower extreme activity of first branch, the level one side at the connecting block is connected to the lower extreme of first branch, second branch and first branch set up relatively, the horizontal opposite side at the connecting block is connected to the lower extreme of second branch, the upper end of second branch is hung on the container through the elastic component. The invention can carry out the preparation of the test solution on site, has simple operation and high efficiency, and can serve the rust and adhesion test of the whole vehicle carried out outdoors.

Description

Preparation device and preparation method of electronic parking caliper rust adhesion test solution

Technical Field

The invention belongs to the technical field of automobile braking, and particularly relates to a configuration device and a configuration method of an electronic parking caliper rust adhesion test solution.

Background

In the domestic automobile market, the configuration of the electronic parking calipers is quite popular, and the unique anti-rust performance is an important evaluation item in product development.

At present, the rack and the whole vehicle verification method commonly adopted in the industry sprays 5% NaCl solution at the gap between a caliper friction plate and a brake disc, fully corrodes the caliper friction plate and the brake disc when the caliper friction plate and the brake disc are placed in a parking mode, and then measures the separation torque to evaluate the antirust adhesion performance.

In carrying out the present invention, the applicant has found that at least the following disadvantages exist in the prior art:

in the prior art, a 5% NaCl solution needs to be prepared in a special vessel and a measuring tool for a laboratory, an antirust adhesion test of a whole vehicle needs to be carried out outdoors, the number of samples is large, 1 liter of the 5% NaCl solution is needed for each sample to carry out the test, and if the solution is prepared in a laboratory, the amount of the solution which can be carried by an individual is limited and the solution needs to be repeatedly returned; such as deployment outdoors, handling and the like.

Therefore, improvements in the prior art are needed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a device and a method for preparing an electronic parking caliper rust and adhesion test solution, which aim to solve the technical problem that the test solution is difficult to prepare when a finished automobile rust and adhesion test is carried out outdoors in the prior art.

The technical scheme of the invention is as follows:

in one aspect, the invention provides a device for preparing a rust adhesion test solution for an electronic parking caliper, which comprises:

the top of the container is provided with a filling port;

the filter cavity is arranged in the container, and the top of the filter cavity is communicated with the filling port;

the balance comprises a connecting block, a first supporting rod and a second supporting rod, the upper end of the first supporting rod is arranged in the filtering cavity, the upper end of the first supporting rod is provided with a tray, the tray is in clearance fit with the filtering cavity, the lower end of the first supporting rod penetrates through the activity of the lower end of the first supporting rod, the lower end of the first supporting rod is connected to one side of the level of the connecting block, the second supporting rod is arranged opposite to the first supporting rod, the lower end of the second supporting rod is connected to the other side of the level of the connecting block, and the upper end of the second supporting rod is hung on the container through an elastic piece.

Furthermore, scales are arranged on the surface of the container;

the configuration device further comprises a pointer, the pointer is vertically connected with the second supporting rod, and the pointer can be pointed on the scale in an operable mode.

Still further, the surface of container is provided with observation portion, observation portion transparent setting, the scale sets up on observation portion.

Further, one end of the pointer is connected to the upper end of the second supporting rod, the other end of the pointer extends in the direction away from the second supporting rod along the horizontal direction, and the second end of the pointer can be pointed on the scale in an operable mode.

Furthermore, the filter cavity is columnar, the top of the filter cavity is open, the filling port is arranged right above the top of the filter, and the orthographic projection of the filling port falls in the top of the filter.

Furthermore, the bottom of the filter cavity is arranged to be open.

Furthermore, the bottom of the connecting block is provided with a guide rod, the top surface of the bottom of the container is provided with a guide hole, and the guide rod is movably inserted into the guide hole.

Furthermore, the upper end of the second support rod is provided with a connecting hole, and the lower end of the elastic piece is hooked in the connecting hole;

the inner wall of the container is provided with a hanging ring, and the upper end of the elastic piece is hung on the hanging ring.

Furthermore, a water outlet is formed in the middle of the top of the container, a cover cap is arranged on the water outlet, and a spray head is assembled on the cover cap.

In another aspect, the invention further provides a method for preparing the rust adhesion test solution for the electronic parking caliper, which is performed based on the above preparation device, and the method comprises the following steps:

NaCl powder is added into the container through the filling port, falls onto the tray and forces the balance to move downwards;

confirming that the balance moves to a set position, and stopping adding NaCl powder;

injecting water into the container through the filling port, dissolving NaCl powder into the water to form a NaCl solution, and allowing the NaCl solution to enter the container through the filter cavity;

and stopping water injection when the water level line of the NaCl solution in the container reaches a set position.

The beneficial effects of the invention at least comprise:

according to the configuration device and the configuration method for the rust and adhesion test solution of the electronic parking caliper, when the test solution is configured through the configuration device, the required NaCl solution (test solution) can be formed only by adding quantitative NaCl powder and water into the container, the proportion does not need to be calculated, the weighing does not need to be carried out, the configuration of the test solution can be carried out on site, the operation is simple, the efficiency is high, and the rust and adhesion test of the whole vehicle carried out outdoors can be served.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic exploded view of a device for preparing a rust adhesion test solution for an electronic parking caliper according to the present embodiment;

fig. 2 is a schematic view of the internal structure of the container in fig. 1.

In the drawings:

1-container, 2-balance, 21-connecting block, 22-first supporting rod, 23-second supporting rod, 24-guide rod, 3-filter cavity, 4-tray, 5-elastic piece, 6-observation part, 7-scale, 8-pointer, 9-hanging ring and 12-filling port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

First, the embodiment provides a device for preparing a rust adhesion test solution for an electronic parking caliper.

Fig. 1 is a schematic exploded view of a device for configuring an electronic parking caliper rust adhesion test solution according to the present embodiment, and with reference to fig. 1, the device of the present embodiment mainly includes a container 1 and a balance 2.

Referring to fig. 1, the container 1 of the present embodiment may be modified from a conventional kettle, a filling port 12 is provided at the top of the container 1, and NaCl powder and water for preparing a test solution may be filled into the container through the filling port 12.

Fig. 2 is a schematic view of the internal structure of the container in fig. 1, and in conjunction with fig. 2, a filter chamber 3 is arranged in the container 1 of the present embodiment, the top of the filter chamber 3 is communicated with a filling port 12, and NaCl powder and water injected from the filling port 12 will enter the container 1 through the filter chamber 3.

With reference to fig. 1 and 2, the balance 2 of the present embodiment includes a connection block 21, a first support rod 22 and a second support rod 23, wherein an upper end of the first support rod 22 is disposed in the filter cavity 3, an upper end of the first support rod 22 is provided with a tray 4, the tray 4 is in clearance fit in the filter cavity 3, the tray 4 is used for temporarily storing NaCl powder injected from the filling port 12, a lower end of the first support rod 22 movably penetrates through a bottom of the filter cavity 3, a lower end of the first support rod 22 is connected to one horizontal side of the connection block 21, the second support rod 23 and the first support rod 22 are disposed opposite to each other, a lower end of the second support rod 23 is vertically connected to the other horizontal side of the connection block 21, and an upper end of the second support rod 23 is suspended on the container 1 by an elastic member 5.

Before NaCl powder is added, balance of the balance 2 is kept under the action of the elastic piece 5, and when NaCl powder injected from the filling port 12 falls onto the tray, the balance 2 moves downwards integrally under the action of the gravity of the NaCl powder.

Referring to fig. 2, the top of the filter chamber 3 of the present embodiment may be assembled on the inner wall of the container 1 by bonding, welding or clipping, and the filter chamber 3 may be a column, and of course, it may also be a square, and the present embodiment does not limit this.

Further, the top of the filter cavity 3 of the present embodiment is open, the filling port 12 is disposed right above the top of the filter 3, and the orthographic projection of the filling port 12 falls within the top of the filter 3, so as to communicate the top of the filter cavity 3 with the filling port 12.

In this embodiment, the bottom of the filter cavity 3 is also opened, so as to facilitate the assembly of the tray 4 in the filter cavity 3.

In this embodiment, the added NaCl powder will be accumulated on the tray 4, and the tray 4 is in clearance fit in the filter chamber 3, that is, the tray 4 can move up and down in the filter chamber 3, but the moving range does not exceed the bottom of the filter chamber, so as to ensure that the added NaCl powder does not leak out of the tray.

In addition, the middle portion of the tray 4 of this embodiment is provided with a threaded hole, and the first supporting rod 22 is screwed in the threaded hole of the tray 4, so as to implement the assembly of the tray 4 on the first supporting rod 22, of course, the tray 4 may also be directly welded on the top of the first supporting rod 22, which is not limited in this embodiment.

Further, with reference to fig. 1 and 2, in the present embodiment, the bottom of the connecting block 21 is provided with a guide rod 24, the top surface of the bottom of the container 1 is provided with a guide hole, the guide rod 24 is movably inserted into the guide hole, and the balance 2 can only be lifted along a predetermined line by the limitation of the guide hole, so as to improve the accuracy of the adding amount of the NaCl powder and the water.

In the present embodiment, the connecting block 21, the first support bar 22, the second support bar 23, and the guide bar 24 constituting the balance 2 may be integrally formed or may be assembled separately, which is not limited in the present embodiment.

Referring to fig. 1 and 2, in the present embodiment, the scale 7 is provided on the surface of the container 1 to facilitate the confirmation of the lifting amount of the balance 2.

Referring to fig. 1 and 2, in the present embodiment, the container is further provided with an observation portion 6, the observation portion 6 is provided in a transparent manner, and the scale 7 is provided on the observation portion.

With reference to fig. 1 and fig. 2, the configuration device of the embodiment further includes a pointer 8, the pointer 8 is vertically connected to the second support rod 23, and the pointer 8 is operably pointed on the scale 7 to more conveniently obtain the lifting amount of the balance 2.

Specifically, referring to fig. 1 and 2, one end of the pointer 8 of the present embodiment is connected to the upper end of the second rod 23, the other end of the pointer 8 extends in a direction away from the second rod 23, and the second end of the pointer 8 is operatively pointed on the scale 7.

Referring to fig. 1 and 2, in this embodiment, a connecting hole is formed at an upper end of the second supporting rod 23, a lower end of the elastic member 5 is hooked in the connecting hole, a hanging ring 9 is disposed on an inner wall of the container 1, and an upper end of the elastic member 5 is hung on the hanging ring 9, so as to assemble the elastic member 5 in the container.

In this embodiment, a through groove may be formed in the side wall of the container 1, and the hanging ring 9 is embedded in the through groove, so that the hanging ring 9 may be assembled on the container 1, and of course, the hanging ring 9 may also be directly assembled on the inner wall of the container 1 by welding or bonding, which is not limited in this embodiment.

The elastic member 9 of this embodiment is deformed to generate a restoring force, so that the balance is kept, and in the using process, the elastic member 9 cannot rotate or shake, and can be a spring, of course, a disc spring and the like can be selected, so that this embodiment is not limited.

The elastic member 9 of this embodiment is designed with a certain initial power to prevent the pointer 8 from shaking and only move up and down correspondingly with the load change of the tray 4

Referring to fig. 1, the container 1 of the present embodiment has a water outlet at the middle of the top thereof, a cap 10 is disposed on the water outlet, and a nozzle 11 is mounted on the cap 10 to facilitate the use of the prepared test solution.

On the other hand, the invention also provides a preparation method of the rust adhesion test solution for the electronic parking caliper, which is carried out based on the preparation device and comprises the following steps:

s1: NaCl powder is added into the container through the filling port 12, falls onto the tray and forces the balance to move downwards;

s2: confirming that the balance moves to a set position, and stopping adding NaCl powder;

s3: injecting water into the container through the filling port 12, dissolving NaCl powder into the water to form a NaCl solution, and allowing the NaCl solution to enter the container through the filter cavity;

s4: and stopping water injection when the water level line of the NaCl solution in the container reaches a set position.

In the above embodiments, the stiffness of the elastic member 9 is the design point, and for the configuration of 1L of 5% NaCl test solution, the stiffness design scheme of the elastic member 9 in this embodiment is as follows:

setting the bottom area of the container 1 as S, setting the initial position of the pointer 8 at the scale line '1L' of the observation part and the distance from the bottom surface of the container 1 as h1, then S x h1 is 1L, when designing the elastic piece 9, the initial power F is required to be 0.5N, when adding 50g NaCl powder, the balance 2 starts to shake slightly, at this moment, the NaCl powder is stopped to be added, water is added until the horizontal plane reaches the scale line '1L' of the observation part, and assuming that the NaCl solution density is equal to the water density, the solution ratio is 0.5N/10N is 5%; when 100g of NaCl powder is added, the position of the pointer 8 is required to be at the scale mark '2L' of the observation part, the distance from the pointer 22 to the bottom surface of the water sprayer 2 is h2, and since S x h2 is 2L, h2 is 2h 1; adding water until the horizontal plane reaches the position of the scale mark 2L of the observation part, wherein the solution ratio is 5% to 1N/20N; from the above-mentioned parameters, the design rigidity of the elastic member can be calculated as K ═ (1-0.5)/(H2-H1) N/mm, and the formula of the weight M of NaCl powder and the height H of the needle 8 is calculated as M ═ K ═ H1) + 0.5.

In summary, according to the configuration device and the configuration method for the rust and adhesion test solution for the electronic parking caliper, when the test solution is configured through the configuration device, the required NaCl solution (test solution) can be formed only by adding quantitative NaCl powder and water into the container, the ratio does not need to be calculated, the weighing does not need to be performed, the configuration of the test solution can be performed on site, the operation is simple, the efficiency is high, and the rust and adhesion test for the whole vehicle performed outdoors can be served.

The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and it will be understood by those skilled in the art that the technical features of the present invention can be changed or modified by the equivalent embodiments without departing from the scope of the present invention.

Claims

1. A configuration device of an electronic parking caliper rust adhesion test solution is characterized by comprising:

the top of the container is provided with a filling port, and the surface of the container is provided with scales;

the balance comprises a connecting block, a first supporting rod and a second supporting rod, the upper end of the first supporting rod is arranged in the filtering cavity, a tray is arranged at the upper end of the first supporting rod, the tray is in clearance fit with the filtering cavity, the lower end of the first supporting rod movably penetrates through the bottom of the filtering cavity, the lower end of the first supporting rod is connected to one horizontal side of the connecting block, the second supporting rod and the first supporting rod are oppositely arranged, the lower end of the second supporting rod is connected to the other horizontal side of the connecting block, and the upper end of the second supporting rod is hung on the container through an elastic piece;

2. The device for dispensing the rust adhesion test solution for the electronic parking caliper according to claim 1, wherein an observation part is provided on a surface of the container, the observation part is provided in a transparent manner, and the scale is provided on the observation part.

3. The device for dispensing an electronic parking caliper rust adhesion test solution according to claim 1, wherein one end of the pointer is connected to the upper end of the second support rod, the other end of the pointer extends in a direction away from the second support rod, and the second end of the pointer is operatively pointed on the scale.

4. The device for preparing the rust adhesion test solution for the electronic parking calipers according to claim 1, wherein the filter cavity is cylindrical, the top of the filter cavity is open, the filling port is arranged right above the top of the filter, and an orthographic projection of the filling port falls in the top of the filter.

5. The device for preparing the rust adhesion test solution for the electronic parking calipers according to claim 3, wherein the bottom of the filter chamber is open.

6. The device for preparing the solution for the rust adhesion test of the electronic parking caliper according to claim 1, wherein a guide rod is disposed at the bottom of the connecting block, a guide hole is disposed at the top surface of the bottom of the container, and the guide rod is movably inserted in the guide hole.

7. The device for preparing the solution for the rust adhesion test of the electronic parking caliper according to claim 1, wherein a connecting hole is formed in the upper end of the second support rod, and the lower end of the elastic member is hooked in the connecting hole;

8. The device for preparing the solution for the rust adhesion test of the electronic parking calipers according to claim 1, wherein a water outlet is arranged in the middle of the top of the container, a cap is arranged on the water outlet, and a spray head is arranged on the cap.

9. A method for preparing an electronic parking caliper rust adhesion test solution, wherein the method is performed based on the preparation device of any one of claims 1 to 8, and the method comprises: