CN214584645U - Electrochemical corrosion reciprocating type friction and wear test device - Google Patents
Electrochemical corrosion reciprocating type friction and wear test device Download PDFInfo
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- CN214584645U CN214584645U CN202120613085.6U CN202120613085U CN214584645U CN 214584645 U CN214584645 U CN 214584645U CN 202120613085 U CN202120613085 U CN 202120613085U CN 214584645 U CN214584645 U CN 214584645U
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Abstract
The utility model discloses an electrochemical corrosion reciprocating type friction and wear test device, which comprises a box body, wherein an electrochemical cell is arranged at the inner bottom of the box body in a sliding manner, an electric cylinder is fixedly arranged on the inner bottom of the box body, and a push rod of the electric cylinder is fixedly connected with the electrochemical cell; the bottom of the box body is provided with a sliding groove which is communicated up and down along the telescopic direction of the push rod, a working electrode is arranged in the sliding groove, and one end of the working electrode is electrically connected with the bottom of the electrochemical cell; a friction pair clamp is arranged above the electrochemical cell, the upper end surface of the friction pair clamp is connected with a height fine adjustment lifting device, and a height rough adjustment lifting device is connected on the height fine adjustment lifting device; and a reference electrode and an auxiliary electrode are arranged on the side wall of the box body, one ends of the reference electrode and the auxiliary electrode are electrically connected with the bottom of the electrochemical cell, and the other ends of the working electrode, the reference electrode and the auxiliary electrode are electrically connected with an electrochemical workstation. The utility model discloses can generate the required horizontal grinding trace of experiment, mechanical structure is simple, has improved the precision.
Description
Technical Field
The utility model belongs to the technical field of the research of material corrosive wear, concretely relates to reciprocating type frictional wear test device of electrochemical corrosion.
Background
The corrosive wear phenomenon widely exists in the fields of oceans, electric power, biology, metallurgical coal mines and the like, and is one of the main reasons for material consumption and equipment damage. The harm of the corrosive wear to industrial equipment gradually attracts people's attention, and the electrochemical corrosion frictional wear tester can well research the corrosive wear behavior of metal materials under different working conditions and different corrosion environments, so as to comprehensively research the interaction of the electrochemical corrosion and the frictional wear.
The current electrochemical corrosion friction wear testing machine has the advantages that the friction wear motion mode is rotary, curve grinding marks can be generated on a sample only, the transverse grinding mark friction and corrosion performance of the sample cannot be researched and analyzed, the mechanical structure of the rotary friction wear testing machine is complex, a motor is used for providing power for a driving gear, then the driving gear transmits power to a driven gear, finally the driven gear transmits power to a friction column for rotary friction, and the friction precision is not high.
Disclosure of Invention
To the technical problem who exists among the prior art, the utility model provides a reciprocating type frictional wear test device of electrochemical corrosion can generate the required horizontal grinding trace of experiment so that research analysis, and mechanical structure is simple, has improved the precision.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
an electrochemical corrosion reciprocating type friction and wear test device comprises a box body, wherein an electrochemical cell is arranged at the inner bottom of the box body in a sliding mode, an electric cylinder is fixedly arranged at the inner bottom of the box body, a push rod of the electric cylinder is fixedly connected with the electrochemical cell, and a corrosive medium and a test piece are placed in the electrochemical cell; the bottom of the box body is provided with a sliding groove which is communicated up and down along the telescopic direction of the push rod, a working electrode is arranged in the sliding groove, and one end of the working electrode is electrically connected with the bottom of the electrochemical cell; a friction pair clamp is arranged above the electrochemical cell and used for clamping a friction pair capable of rubbing with the test piece, the upper end surface of the friction pair clamp is connected with a height fine adjustment lifting device, and a height rough adjustment lifting device is connected to the height fine adjustment lifting device; the side wall of the box body is provided with a reference electrode and an auxiliary electrode, one ends of the reference electrode and the auxiliary electrode are electrically connected with the bottom of the electrochemical cell, and the other ends of the working electrode, the reference electrode and the auxiliary electrode are electrically connected with an electrochemical workstation.
Further, height fine adjustment lifting device includes lead screw, screw nut and the fixed case of lead screw, screw nut fixes the bottom of the fixed case of lead screw, the lead screw with screw nut screw-thread fit, the one end of lead screw is passed behind the bottom of the fixed case of lead screw with the vice anchor clamps of friction are connected, the other end of lead screw stretches out the top of the fixed case of lead screw.
Further, height coarse adjustment elevating gear is pneumatic push rod or electric putter, the top of box is fixed with first mounting bracket, the top of the fixed case of lead screw is fixed with the second mounting bracket, height coarse adjustment elevating gear's one end is connected the bottom of first mounting bracket, height coarse adjustment elevating gear's the other end is connected the top of second mounting bracket.
Furthermore, the top is located in the box body the both sides of the fixed case of lead screw are provided with a slide bar respectively, every the cover is equipped with the sliding sleeve on the slide bar respectively, every the sliding sleeve with the fixed case of lead screw is connected.
Furthermore, the lower end of each slide bar is provided with a limiting block.
Furthermore, a knob is matched and sleeved at one end of the screw rod, which extends out of the top of the screw rod fixing box.
Further, the reference electrode and the auxiliary electrode are arranged on one side wall and the other side wall of the box body, and the one side wall and the other side wall are parallel to the telescopic direction of the push rod.
Furthermore, a plurality of balls are arranged between the bottom of the electrochemical cell and the inner bottom of the box body.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model provides an electrochemical corrosion reciprocating type friction wear test device, when using, fix the test piece to be tested at the bottom of electrochemical cell, and add required corrosive medium to the electrochemical cell, vice clamping of friction is to vice anchor clamps of friction, utilize the lift of control height coarse adjusting elevating gear, drive height fine adjustment elevating gear oscilaltion, after utilizing height coarse adjusting elevating gear to adjust the friction pair on the vice anchor clamps of friction of height fine adjustment elevating gear lower extreme to contact with the test piece, adjust the vice anchor clamps of friction through height fine adjustment elevating gear and drive the friction pair and move certain experimental distance downwards, this experimental distance is decided according to different experimental conditions, after the vice contact of friction reaches the experimental requirement with the test piece of friction, start the electronic jar, the electronic jar drives the electrochemical cell to do reciprocating motion, and then make the friction pair and the test piece produce horizontal mechanical wear, produce the required horizontal mill mark of experiment so that research analysis promptly, the utility model discloses utilized electronic jar as electrochemical cell reciprocating motion's drive, can realize high slip frequency, high speed and high control accuracy, the utility model discloses with the two unification of electrochemistry testing system and friction wear testing machine, can test the electrochemistry performance and the friction wear performance of material simultaneously, through with the electrode fixation to the friction wear testing machine on for the electrode need not dismantle repeatedly, has improved experimental efficiency, the utility model discloses mechanical structure is simple, has improved the precision.
Further, the utility model discloses a lead screw and screw nut cooperation are realized adjusting the vice lift distance of friction on the vice anchor clamps of friction, easy operation, and the lift distance controllability is high.
Further, the utility model discloses a height coarse adjustment elevating gear is pneumatic push rod or electric putter, and is with low costs, and mechanical connection simple structure easily realizes.
Further, the utility model discloses utilize the cooperation of slide bar sliding sleeve to realize spacing to the fixed case lateral displacement of lead screw, ensure the stability of the fixed case up-and-down motion of lead screw.
Further, the lower extreme of every slide bar is provided with the stopper, and the stopper prevents the sliding sleeve slippage, and the stopper still can prevent that the test piece size is too big to bump with the fixed case of lead screw simultaneously, improves experimental reliability.
Furthermore, a knob is matched and sleeved at one end of the screw rod, extending out of the top of the screw rod fixing box, so that the screw rod can be conveniently operated and adjusted.
Further, the utility model discloses a reference electrode and auxiliary electrode set up on a lateral wall and another lateral wall of box, and a lateral wall and another lateral wall all are parallel with the flexible direction of push rod, and such design can avoid effectively because of taking place to interfere with between reference electrode and the auxiliary electrode when electronic jar promotes the electrochemical cell front and back slip.
Furthermore, a plurality of balls are arranged between the bottom of the electrochemical cell and the inner bottom of the box body, so that sliding friction between the bottom of the electrochemical cell and the inner bottom of the box body can be reduced, and the service life of the device is prolonged.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electrochemical corrosion reciprocating friction and wear test device of the present invention;
fig. 2 is a schematic view of the electrochemical cell and the electric cylinder arranged on the bottom in the box body.
In the figure: 1-a box body; 2-an electrochemical cell; 3-an electric cylinder; 4-a push rod; 5-a sliding groove; 6-a working electrode; 7-a friction pair clamp; 8-height fine adjustment lifting device; 801-lead screw; 802-lead screw nut; 803-lead screw fixing box; 9-height coarse adjustment of the lifting device; 10-a reference electrode; 11-an auxiliary electrode; 12-a first mounting frame; 13-a second mounting frame; 14-a slide bar; 15-a sliding sleeve; 16-a limiting block; 17-knob.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As a specific embodiment of the utility model, combine fig. 1 and fig. 2 to show, a reciprocating type frictional wear test device of electrochemical corrosion, including box 1, it is provided with electrochemical cell 2 and fixed electronic jar 3 that is provided with to slide at the interior bottom of box 1, the push rod 4 and the electrochemical cell 2 fixed connection of electronic jar 3, be used for placing corrosive medium and test piece in the electrochemical cell 2, the sliding tray 5 that link up about seting up along the flexible direction of push rod 4 in the bottom of box 1, be provided with working electrode 6 in the sliding tray 5, the one end of working electrode 6 and the bottom electric connection of electrochemical cell 2. That is, the back-and-forth sliding of the electrochemical cell 2 is rapidly controlled by controlling the extension and retraction of the push rod 4 of the electric cylinder 3, so that the reciprocating motion of the electrochemical cell 2 is realized, and in the process that the electrochemical cell 2 slides back and forth at the inner bottom of the box body 1, the working electrode 6 moves back and forth along with the electrochemical cell 2 in the sliding groove 5. As a preferred embodiment, a plurality of balls may be provided between the bottom of the electrochemical cell 2 and the inner bottom of the case 1, so that sliding friction between the bottom of the electrochemical cell 2 and the inner bottom of the case 1 can be reduced, which is advantageous for improving the service life of the device.
A friction pair clamp 7 is arranged above the electrochemical cell 2, and the friction pair clamp 7 is used for clamping a friction pair capable of rubbing with a test piece, namely, the friction pair clamp 7 clamps the friction pair, and friction is generated between the friction pair and the test piece during testing.
The upper end face of the friction pair clamp 7 is connected with a height fine adjustment lifting device 8, the height fine adjustment lifting device 8 is connected with a height coarse adjustment lifting device 9, the height fine adjustment lifting device 8 is driven to lift up and down by controlling the lifting of the height coarse adjustment lifting device 9, and after the friction pair on the friction pair clamp 7 at the lower end of the height fine adjustment lifting device 8 is adjusted to be in contact with a test piece by the height coarse adjustment lifting device 9, the friction pair clamp 7 is adjusted by the height fine adjustment lifting device 8 to drive the friction pair to move downwards for a certain test distance.
As shown in fig. 1, a reference electrode 10 and an auxiliary electrode 11 are disposed on a side wall of the case 1, one ends of the reference electrode 10 and the auxiliary electrode 11 are electrically connected to the bottom of the electrochemical cell 2, and the other ends of the working electrode 6, the reference electrode 10 and the auxiliary electrode 11 are electrically connected to an electrochemical workstation, thereby forming a three-electrode electrochemical test system. As a preferred embodiment, the reference electrode 10 and the auxiliary electrode 11 are disposed on one side wall and the other side wall of the box body 1, and both the one side wall and the other side wall are parallel to the telescopic direction of the push rod 4, that is, the side wall where the reference electrode 10 is located and the side wall where the auxiliary electrode 11 is located are opposite, and both the two side walls are parallel to the sliding groove 5 formed on the bottom of the box body 1, namely, the left wall and the right wall of the box body 1 in fig. 1.
As shown in fig. 1, as a preferred embodiment of the present invention, the height fine-adjustment lifting device 8 includes a lead screw 801, a lead screw nut 802, and a lead screw fixing box 803, the lead screw nut 802 is fixed at the bottom of the lead screw fixing box 803, the lead screw 801 is in thread fit with the lead screw nut 802, one end of the lead screw 801 is connected to the friction pair clamp 7 after passing through the bottom of the lead screw fixing box 803, the other end of the lead screw 801 extends out of the top of the lead screw fixing box 803, and preferably, the lead screw 801 is connected to the top of the lead screw fixing box 803 through a bearing. The descending distance of the friction pair clamp 7 can be accurately controlled through the thread matching mode of the lead screw 801 and the lead screw nut 802. More preferably, a knob 17 is matched with one end of the screw 801 extending out of the top of the screw fixing box 803, so that the operation is more convenient by means of the knob 17.
As shown in fig. 1, the height coarse adjustment lifting device 9 is a pneumatic push rod or an electric push rod, in this embodiment, a pneumatic push rod is adopted, a first mounting frame 12 is fixed at the top of the box body 1, a second mounting frame 13 is fixed at the top of the lead screw fixing box 803, one end of the height coarse adjustment lifting device 9 is connected to the bottom of the first mounting frame 12, the other end of the height coarse adjustment lifting device 9 is connected to the top of the second mounting frame 13, when the pneumatic push rod moves downwards or upwards, the second mounting frame 13 is driven to move downwards or upwards, and then the lead screw fixing box 803 is driven to move downwards or upwards, so that height adjustment is realized. As shown in fig. 1, as a more preferred embodiment, two sliding rods 14 are respectively disposed at the top of the box body 1 at two sides of the screw fixing box 803, a sliding sleeve 15 is respectively sleeved on each sliding rod 14, each sliding sleeve 15 is connected with the screw fixing box 803, and when the screw fixing box 803 moves downwards or upwards, the sliding sleeve 15 slides up and down on the corresponding sliding rod 14, so as to ensure the stability of the up-and-down movement of the screw fixing box 803. More preferably, the lower end of each sliding rod 14 is provided with a stopper 16, and the stopper 16 can prevent the sliding sleeve 15 from sliding off the sliding rod 14.
Preferably, a liquid guide pipe can be reserved at the bottom of the electrochemical cell 2, so that corrosive media can be quickly discharged after the test is finished, and the electrochemical cell 2 is prevented from being repeatedly disassembled and assembled, and the corrosive media are prevented from leaking to a test bed.
When a corrosive wear test is carried out, a tested piece is fixed at the bottom of an electrochemical cell 2, a required corrosive medium is added into the electrochemical cell 2, the electrochemical cell 2 is determined to be tightly sealed, no corrosive liquid seeps out of the electrochemical cell 2, a friction pair is clamped on a friction pair clamp 7, the friction pair clamp 7 is tightly fixed with a lead screw 801 through a bolt, a reference electrode 10, an auxiliary electrode 11 and a working electrode 6 are electrically connected with an electrochemical workstation to conduct an electrochemical corrosion signal and record corrosive wear performance data such as corrosion current and corrosion potential, a height coarse adjustment lifting device 9 is started at the moment to enable a lead screw fixing box 803 to rapidly move downwards, when the tested piece is close to the test piece, the downwards movement is stopped, the lead screw 801 is controlled to slowly descend through a knob 17, after the friction pair is accurately controlled to descend to a distance required by the test, an electric cylinder 3 is started, the electric cylinder 3 drives the electrochemical cell 2 to reciprocate, so that the friction pair and the test piece are transversely and mechanically abraded. The utility model discloses with the two unification of electrochemistry testing system and friction wear testing machine, the electrochemistry performance and the friction wear performance of material can be tested simultaneously, through with the electrode fixed to the friction wear testing machine on for the electrode need not dismantle repeatedly, has improved test efficiency, adopts electronic jar to carry out the friction test that reciprocates simultaneously, can realize high slip frequency, high speed and high control accuracy.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The electrochemical corrosion reciprocating type friction and wear test device is characterized by comprising a box body (1), wherein an electrochemical cell (2) is arranged at the inner bottom of the box body (1) in a sliding mode, an electric cylinder (3) is fixedly arranged on the inner bottom of the box body (1), a push rod (4) of the electric cylinder (3) is fixedly connected with the electrochemical cell (2), and a corrosive medium and a test piece are placed in the electrochemical cell (2); the bottom of the box body (1) is provided with a sliding groove (5) which is communicated up and down along the telescopic direction of the push rod (4), a working electrode (6) is arranged in the sliding groove (5), and one end of the working electrode (6) is electrically connected with the bottom of the electrochemical cell (2); a friction pair clamp (7) is arranged above the electrochemical cell (2), the friction pair clamp (7) is used for clamping a friction pair capable of rubbing with the test piece, the upper end surface of the friction pair clamp (7) is connected with a height fine adjustment lifting device (8), and the height fine adjustment lifting device (8) is connected with a height rough adjustment lifting device (9); the side wall of the box body (1) is provided with a reference electrode (10) and an auxiliary electrode (11), one ends of the reference electrode (10) and the auxiliary electrode (11) are electrically connected with the bottom of the electrochemical cell (2), and the other ends of the working electrode (6), the reference electrode (10) and the auxiliary electrode (11) are electrically connected with an electrochemical workstation.
2. The electrochemical corrosion reciprocating type friction wear test device according to claim 1, wherein the height fine adjustment lifting device (8) comprises a lead screw (801), a lead screw nut (802) and a lead screw fixing box (803), the lead screw nut (802) is fixed at the bottom of the lead screw fixing box (803), the lead screw (801) is in threaded fit with the lead screw nut (802), one end of the lead screw (801) penetrates through the bottom of the lead screw fixing box (803) and then is connected with the friction pair clamp (7), and the other end of the lead screw (801) extends out of the top of the lead screw fixing box (803).
3. The electrochemical corrosion reciprocating type friction wear test device according to claim 2, characterized in that the height coarse adjustment lifting device (9) is a pneumatic push rod or an electric push rod, a first mounting frame (12) is fixed on the top of the box body (1), a second mounting frame (13) is fixed on the top of the lead screw fixing box (803), one end of the height coarse adjustment lifting device (9) is connected to the bottom of the first mounting frame (12), and the other end of the height coarse adjustment lifting device (9) is connected to the top of the second mounting frame (13).
4. The electrochemical corrosion reciprocating type friction wear test device according to claim 2, characterized in that a sliding rod (14) is respectively arranged at the top of the box body (1) at two sides of the lead screw fixing box (803), a sliding sleeve (15) is respectively sleeved on each sliding rod (14), and each sliding sleeve (15) is connected with the lead screw fixing box (803).
5. An electrochemical corrosion reciprocating frictional wear test device according to claim 4, characterized in that the lower end of each slide bar (14) is provided with a stopper (16).
6. The electrochemical corrosion reciprocating type friction wear test device is characterized in that a knob (17) is matched and sleeved on one end, extending out of the top of the lead screw fixing box (803), of the lead screw (801).
7. An electrochemical corrosion reciprocating type friction wear test device according to claim 1, characterized in that the reference electrode (10) and the auxiliary electrode (11) are arranged on one side wall and the other side wall of the box body (1), and the one side wall and the other side wall are both parallel to the telescopic direction of the push rod (4).
8. An electrochemical corrosion reciprocating friction wear test device according to claim 1, characterized in that a plurality of balls are arranged between the bottom of the electrochemical cell (2) and the inner bottom of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120613085.6U CN214584645U (en) | 2021-03-25 | 2021-03-25 | Electrochemical corrosion reciprocating type friction and wear test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613085.6U CN214584645U (en) | 2021-03-25 | 2021-03-25 | Electrochemical corrosion reciprocating type friction and wear test device |
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| CN214584645U true CN214584645U (en) | 2021-11-02 |
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| CN202120613085.6U Expired - Fee Related CN214584645U (en) | 2021-03-25 | 2021-03-25 | Electrochemical corrosion reciprocating type friction and wear test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179084A1 (en) * | 2022-11-28 | 2023-09-28 | 河南科技大学 | Pin-on-disc frictive-corrosive multi-environment coupling test apparatus, and method |
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2021
- 2021-03-25 CN CN202120613085.6U patent/CN214584645U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179084A1 (en) * | 2022-11-28 | 2023-09-28 | 河南科技大学 | Pin-on-disc frictive-corrosive multi-environment coupling test apparatus, and method |
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Granted publication date: 20211102 |