Multi-mode erosion wear test device

文档序号:1782094 发布日期:2019-12-06 浏览:23次 中文

阅读说明:本技术 一种多模式冲蚀磨损试验装置 (Multi-mode erosion wear test device ) 是由 李方义 张兴艺 李燕乐 冉学举 鹿海洋 杜际雨 戚小霞 黄金铭 于 2019-09-27 设计创作,主要内容包括:本发明涉及一种多模式冲蚀磨损试验装置,包括箱体,箱体顶面设有支撑板,支撑板通过固定件与位于箱体内部的载重台固定连接,载重台与丝杠底端转动连接且丝杠底端能够与载重台锁紧固定,丝杠的顶端依次伸入同轴设置的第二传动套及第一传动套,第二传动套放置在支撑板上且能够在支撑板上绕自身轴线转动,第二传动套能够与第一传动套连接并做同步转动,第二传动套连接有锁紧机构,第一传动套能够与丝杠顶端连接,第一传动套与驱动机构连接,驱动机构固定在支撑板上,丝杠连接有安装台,安装台与连杆一端连接,连杆另一端穿过第二传动套,箱体还连接有冲蚀管,本发明试验装置能够实现多种模式协同作用下的冲蚀试验。(the invention relates to a multi-mode erosion and wear test device, which comprises a box body, wherein the top surface of the box body is provided with a supporting plate, the supporting plate is fixedly connected with a load-carrying table positioned in the box body through a fixing piece, the load-carrying table is rotatably connected with the bottom end of a lead screw, the bottom end of the lead screw can be locked and fixed with the load-carrying table, the top end of the lead screw sequentially extends into a second transmission sleeve and a first transmission sleeve which are coaxially arranged, the second transmission sleeve is placed on the supporting plate and can rotate around the axis of the second transmission sleeve on the supporting plate, the second transmission sleeve can be connected with the first transmission sleeve and synchronously rotate, the second transmission sleeve is connected with a locking mechanism, the first transmission sleeve can be connected with the top end of the lead screw, the first transmission sleeve is connected with a driving mechanism, the driving mechanism is fixed on the supporting plate, the lead screw is connected with an installation table, the test device can realize the erosion test under the synergistic action of multiple modes.)

1. A multi-mode erosion wear test device is characterized by comprising a box body, wherein a supporting plate is arranged on the top surface of the box body and fixedly connected with a load-carrying table positioned inside the box body through a fixing piece, the load-carrying table is rotatably connected with the bottom end of a lead screw, the bottom end of the lead screw can be locked and fixed with the load-carrying table, the top end of the lead screw sequentially extends into a second transmission sleeve and a first transmission sleeve which are coaxially arranged, the second transmission sleeve is placed on the supporting plate and can rotate around the axis of the second transmission sleeve on the supporting plate, the second transmission sleeve can be connected with the first transmission sleeve and synchronously rotate, the second transmission sleeve is connected with a locking mechanism and can be locked and fixed with the supporting plate through the locking mechanism, the first transmission sleeve can be connected with the top end of the lead screw to drive the lead screw to synchronously rotate, the first transmission sleeve is connected with a driving mechanism, the driving mechanism is fixed on the, the mounting table is fixedly connected with one end of the connecting rod, the other end of the connecting rod penetrates through the second transmission sleeve, the mounting table and the second transmission sleeve can synchronously rotate through the connecting rod, and the box body is further connected with an erosion pipe for introducing erosion media.

2. A multi-mode erosive wear test apparatus according to claim 1, wherein the support plate is capable of moving in a first direction on the top surface of the tank and is locked and fixed with the top wall of the tank, the erosive tube is disposed on the side wall of the tank perpendicular to the first direction, the axis of the erosive tube is disposed in the first direction, and the distance between the mounting table and the erosive tube is adjustable.

3. A multi-mode erosive wear test apparatus according to claim 1, wherein the top surface of the supporting plate is provided with a first annular chute coaxial with a second transmission sleeve, the second transmission sleeve is provided with a second annular chute, a plurality of balls are arranged between the first annular chute and the second annular chute, and the second transmission sleeve can rotate on the supporting plate around its axis through the balls.

4. The multi-mode erosive wear test apparatus according to claim 1, wherein the lead screw is rotatably connected with the load-carrying table through a first bearing, the lead screw is further rotatably connected with the second transmission sleeve through a second bearing, and the first bearing and the second bearing are used for ensuring perpendicularity of the lead screw.

5. the multi-mode erosive wear test apparatus according to claim 1, wherein the first transmission sleeve is provided with a first pin hole, the top end of the screw rod is provided with a second pin hole, and a first conversion pin can be inserted into the first pin hole and the second pin hole to realize synchronous rotation of the first transmission sleeve and the screw rod.

6. The multi-mode erosive wear test apparatus according to claim 1, wherein the first boss is provided at a bottom end of the first transmission sleeve, the first boss is provided with a third pin hole, the second boss is provided at a top end of the second transmission sleeve, the second boss is provided with a fourth pin hole, and a second conversion pin can be inserted into the third pin hole and the fourth pin hole, so that the first transmission sleeve and the second transmission sleeve can synchronously rotate.

7. A multi-mode erosive wear test apparatus according to claim 1, wherein the locking mechanism comprises a pointer, one end of the pointer is fixedly connected with the second transmission sleeve, the other end of the pointer is arranged above the dial, the dial is fixedly connected with the support plate, the pointer is connected with a pressing member, and the pressing member can press the pointer on the dial to realize the locking and fixing of the second transmission sleeve and the support plate.

8. The multi-mode erosive wear test apparatus according to claim 1, wherein the mounting table is provided with a first fixing table at the top and a second fixing table at the bottom, the first fixing table is in threaded connection with a first clamping member for limiting the vertical movement of the workpiece under the combined action of the first fixing table and the second fixing table, the second fixing table is connected with second clamping members at two sides, and the two second clamping members can limit the horizontal movement of the workpiece.

9. The multi-mode erosive wear test apparatus according to claim 1, wherein the fixing member is a fixing rod, the bottom end of the fixing rod is connected with the load-carrying platform, the fixing rod passes through the top wall of the box body and the supporting plate and can move in the vertical direction, the fixing rod is connected with a first locking member and a second locking member, the first locking member is used for fixing the fixing rod with the supporting plate, and the second locking member is used for locking and fixing the supporting plate with the box body.

10. The multi-mode erosive wear test apparatus according to claim 1, wherein the box body is further connected with a dust removal pipe, and the dust removal pipe is used for being connected with an external dust removal device.

Technical Field

The invention relates to the technical field of erosion tests, in particular to a multi-mode erosion wear test device.

Background

erosion wear refers to the loss of surface material from the surface of a solid by the relative motion of the solid surface in contact with a high velocity fluid containing solid particles, including gas and liquid streams. In a mechanical part which is eroded and worn under an actual working condition, erosion angles on different positions of the surface of the mechanical part are different, and erosion and wear mechanisms corresponding to different erosion angles are different, so that the whole part is always scrapped because the position at a certain angle is eroded and damaged first, and huge loss is caused. In view of the current situation, an erosion test mechanism with a variable erosion angle facing different positions of a workpiece is urgently needed to be developed, so that the actual erosion and abrasion process is simulated, and the erosion test mechanism can be used for testing the effect of strengthening different positions of the surface of the workpiece as required.

currently, related researchers have designed different erosion wear testers for exploring the erosion resistance of workpieces. The device comprises an airflow sand blasting type test device, a rotating arm type test device, a centrifugal acceleration type test device and the like. However, the inventor finds that most of the erosion abrasion testing machines have limitations and disadvantages, and particularly cannot meet the requirement of erosion testing of cooperative change of different positions and erosion angles of workpieces.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a multi-mode erosive wear test device which is convenient to operate and can meet test requirements under the synergistic action of multiple modes.

In order to achieve the purpose, the invention adopts the following technical scheme:

A multi-mode erosion wear test device comprises a box body, wherein a supporting plate is arranged on the top surface of the box body, the supporting plate is fixedly connected with a load-carrying table positioned in the box body through a fixing piece, the load-carrying table is rotatably connected with the bottom end of a lead screw, the bottom end of the lead screw can be locked and fixed with the load-carrying table, the top end of the lead screw sequentially extends into a second transmission sleeve and a first transmission sleeve which are coaxially arranged, the second transmission sleeve is placed on the supporting plate and can rotate around the axis of the second transmission sleeve on the supporting plate, the second transmission sleeve can be connected with the first transmission sleeve and synchronously rotate, the second transmission sleeve is connected with a locking mechanism and can be locked and fixed with the supporting plate through the locking mechanism, the first transmission sleeve can be connected with the top end of the lead screw to drive the lead screw to synchronously rotate, the first transmission sleeve is connected with a driving mechanism, the driving mechanism is fixed on the supporting plate, the other end of the connecting rod penetrates through the second transmission sleeve, the mounting table and the second transmission sleeve can synchronously rotate through the connecting rod, and the box body is further connected with an erosion pipe for introducing erosion media.

furthermore, the supporting plate can move along the first direction on the top surface of the box body and is locked and fixed with the box wall at the top of the box body, the erosion pipe is arranged on the side wall of the box body, perpendicular to the first direction, of the box body, the axis of the erosion pipe is arranged along the first direction, and the distance between the mounting table and the erosion pipe can be adjusted.

Further, the backup pad top surface is equipped with the first annular spout with the coaxial setting of second transmission cover, the second transmission cover is equipped with second annular spout, is equipped with a plurality of balls between first annular spout and the second annular spout, and the second transmission cover can rotate around self axis in the backup pad through the ball.

Furthermore, the lead screw is rotationally connected with the load table through a first bearing, the lead screw is rotationally connected with the second transmission sleeve through a second bearing, and the first bearing and the second bearing are used for guaranteeing the verticality of the lead screw.

Furthermore, the first transmission sleeve is provided with a first pin hole, the top end of the lead screw is provided with a second pin hole, and a first conversion pin can be inserted into the first pin hole and the second pin hole, so that the first transmission sleeve and the lead screw can synchronously rotate.

Furthermore, a first boss is arranged at the bottom end of the first transmission sleeve, a third pin hole is formed in the first boss, a second boss is arranged at the top end of the second transmission sleeve, a fourth pin hole is formed in the second boss, and a second conversion pin can be inserted into the third pin hole and the fourth pin hole, so that the first transmission sleeve and the second transmission sleeve can synchronously rotate.

Further, locking mechanism includes the pointer, pointer one end and second transmission cover fixed connection, the pointer other end sets up in the calibrated scale top, calibrated scale and backup pad fixed connection, and the pointer is connected with and compresses tightly the piece, and it can compress tightly the pointer on the calibrated scale to compress tightly the piece, realizes that the locking of second transmission cover and backup pad is fixed.

Furthermore, the top of the mounting table is provided with a first fixing table, the bottom of the mounting table is provided with a second fixing table, the first fixing table is in threaded connection with a first clamping piece and used for limiting vertical movement of a workpiece under the combined action of the first fixing table and the second fixing table, the two sides of the second fixing table are connected with second clamping pieces, and the two second clamping pieces can limit horizontal movement of the workpiece.

Further, the mounting adopts the dead lever, the dead lever bottom is connected with the load platform, and the dead lever passes the top tank wall and the backup pad of box, and can follow vertical direction motion, and the dead lever is connected with first retaining member and second retaining member, and first retaining member is used for fixing the dead lever in the backup pad, and the second retaining member is used for fixing backup pad and box locking.

Furthermore, the box body is also connected with a dust removal pipe, and the dust removal pipe is used for being connected with an external dust removal device.

The invention has the beneficial effects that:

1. The multi-mode erosion wear test device disclosed by the invention uses the first conversion pin, the second transmission sleeve is locked by the locking mechanism, the driving mechanism can drive the screw rod to rotate through the first transmission sleeve, so that the mounting table is driven to move up and down, the test of the erosion change position is realized, the mounting table synchronously rotates along with the screw rod without moving up and down by using the first conversion pin and the second rotating ring pin, the test of the erosion change angle is realized, only the second conversion pin is used, the mounting table not only rotates around the axis of the screw rod, but also moves along the axis direction of the screw rod, the cooperative test of the erosion change position and the erosion change angle is realized, and the test requirements under the cooperative action of multiple modes and multiple modes are met.

2. According to the multi-mode erosion wear test device, the supporting plate can move along the first direction and is locked with the box wall at the top of the box body, the axis of the erosion pipe is arranged along the first direction, the distance between the erosion pipe and the mounting table can be adjusted, and therefore the erosion strength can be adjusted.

3. According to the multi-mode erosion wear test device, the locking mechanism is provided with the pointer and the dial, and the effect of indicating the rotation angle of the second rotating sleeve can be achieved while the second transmission sleeve is locked.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic side view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic front view of the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the invention taken along line A of FIG. 2;

FIG. 4 is a schematic view of a locking mechanism according to embodiment 1 of the present invention;

FIG. 5 is a schematic view of the first transmission sleeve and the second transmission sleeve assembled together according to embodiment 1 of the present invention;

wherein, 1, a box body, 1, a first waist hole, 1, 2, a second waist hole, 2, a switch door, 3, a support plate, 4, a fixed rod, 5, a nut structure, 6, a load bearing table, 7, a fixed rod compression nut, 8, a gasket, 9, a fixed nut, 10, a first bearing, 11, a screw rod locking nut, 12, a working part, 13, a transmission part, 14, a second bearing, 15, a ball, 16, a servo motor, 17, a coupler, 18, a support plate, 19, a first transmission sleeve, 20, a first conversion pin, 21, a second conversion pin, 22, a pointer, 23, a screw, 24, a dial scale, 25, a stud, 26, a sliding groove, 27, a pointer compression nut, 28, a second transmission sleeve, 29, a mounting table, 29, 1, a first fixing table, 29, 2, a second fixing table, 30, a connecting rod, 31, a plastic corrugated hose and 32, a first clamping bolt, 33. second clamping bolt, 34, erosion pipe, 35, dust removal pipe.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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.

For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As described in the background art, most of the existing erosion wear testing machines have limitations and disadvantages, and particularly, cannot meet the erosion testing requirements of cooperative change of different positions and erosion angles of a workpiece.

In embodiment 1 of an exemplary embodiment of the present application, as shown in fig. 1 to 5, a multi-mode erosion wear test apparatus includes a box 1, a switch door 2 is disposed on a box wall on one side of the box, a first waist hole 1-1 is disposed on a box wall on the top of the box, second waist holes 1-2 are symmetrically disposed on two sides of the first waist hole, and axes of the first waist hole and the second waist hole are disposed along a first direction.

The box top surface is provided with backup pad 3, be provided with in the backup pad with second waist hole assorted through-hole, the mounting has been passed in the through-hole, inside the mounting stretched into the box through second waist hole, in this embodiment, every second waist hole passed has three mounting, the second mounting adopts dead lever 4, the dead lever bottom is equipped with nut structure 5, and the top is equipped with helicitic texture, and the nut structure of six mountings supported the load platform, realized being connected of dead lever bottom and load platform 6, the dead lever passes the top tank wall and the backup pad of heavy platform, box, and its helicitic texture threaded connection has first retaining member, and first retaining member adopts dead lever gland nut 7, and dead lever gland nut compresses tightly in the backup pad through gasket 8, has realized the fixed of dead lever and backup pad.

And the fixing rod can move along the vertical direction by loosening the compression nut, so that the load table is adjusted to the set height.

And a second locking part is connected to the fixed rod section below the box wall at the top of the box and adopts a fixing nut 9 for compressing and fixing the box wall at the top of the box and the supporting plate to lock and fix the supporting plate and the box wall at the top of the box.

The central part position of load platform is rotated through the bottom of first bearing 10 with the lead screw and is connected, and the lead screw bottom passes and heavily platform and threaded connection has lead screw lock nut 11, lead screw lock nut can compress tightly at the lower surface of load platform, and is fixed with lead screw and load platform locking, the lead screw includes working part 12 and transmission portion 13, the diameter of working part is greater than the diameter of transmission portion, and the working part bottom is rotated through first bearing and load platform and is connected, and the working part top is connected with transmission portion, through the centre bore on first waist hole and the backup pad, transmission portion stretches into in proper order rather than the coaxial second transmission cover and the first transmission cover that set up, the top of working part is passed through second bearing 14 and is rotated with the second transmission cover and is connected, and the straightness that hangs down of lead screw can be guaranteed to first bearing and second bearing.

The second transmission sleeve 28 is placed on the supporting plate, the second transmission sleeve is provided with a second annular groove coaxial with the second transmission sleeve, the top surface of the supporting plate is provided with a first annular groove coaxial with the second transmission sleeve, a plurality of balls 15 are arranged between the first annular groove and the second annular groove, and the second transmission sleeve is connected with the supporting plate in a sliding mode through the balls and can rotate around the axis of the second transmission sleeve on the supporting plate.

The first transmission sleeve is connected with a driving mechanism, the driving mechanism adopts a servo motor 16, an output shaft of the servo motor is connected with a first transmission sleeve 19 through a coupler 17, the motor is fixed on a support, the support comprises two L-shaped support plates 18, and the motor is fixed at the top ends of the two support plates.

The first transmission sleeve is provided with a first pin hole, the top end of the transmission part is provided with a second pin hole, a first conversion pin 20 can be inserted into the first pin hole and the second pin hole, and the first transmission sleeve and the lead screw can synchronously rotate by utilizing the first conversion pin.

The bottom of the first transmission sleeve is provided with a first boss, the top of the second transmission sleeve is provided with a second boss, the first boss is provided with a third pin hole, the second boss is provided with a fourth pin hole, and a second conversion pin 21 can be inserted into the third pin hole and the fourth pin hole, so that the first transmission sleeve and the second transmission sleeve can synchronously rotate.

The second transmission sleeve is connected with a locking mechanism for locking and fixing the second transmission sleeve and the supporting plate, the locking mechanism comprises a pointer 22, one end of the pointer is fixedly connected with the second transmission sleeve through a screw 23, the other end of the pointer is positioned above the dial 24, the dial is provided with scale marks and is coaxially arranged outside the second transmission sleeve, and is fixedly connected with the supporting plate through a screw, the pointer is connected with a pressing piece, the pressing piece comprises a stud 25 and a pointer pressing nut, a double-end stud penetrates through the pointer position between the dial and the support plate, the bottom end of the double-end stud extends into a sliding groove 26 arranged on the support plate, and a pointer compression nut 27 is in threaded connection with the stud column section above the pointer, and can compress the pointer on the dial to realize locking and fixing of the second transmission sleeve and the support plate.

The lead screw is characterized in that a mounting table 29 for fixing a test piece is connected to the working portion of the lead screw, two connecting rods 30 are connected to the top end of the mounting table in a threaded mode, the connecting rods are symmetrically distributed on two sides of the working portion, the bottom end of each connecting rod is fixedly connected with the mounting table in a threaded mode, the top end of each connecting rod penetrates through a first waist hole and a center hole to form a second transmission sleeve, the connecting rods can drive the second transmission sleeves to synchronously rotate with the mounting table, and meanwhile the connecting rods can guide the mounting table to move along the axis direction of the lead.

The working part of the screw rod is sleeved with plastic corrugated hoses 31 on the outer peripheries of the rod sections at the upper side and the lower side of the mounting table, and the plastic corrugated hoses are used for protecting the screw rod from erosion of erosion particles.

The two side faces of the top of the mounting table are provided with a first fixing table 29-1, the two side faces of the bottom of the mounting table are provided with a second fixing table 29-2, the first fixing table is connected with a first clamping piece, the first clamping piece is provided with two first clamping bolts 32 in threaded connection with the first fixing table, the axis of each first clamping bolt is vertically arranged and can act together with the second fixing table to limit vertical displacement of a test piece, the two side faces of the second fixing table are connected with a second clamping piece, the second clamping piece is provided with a second clamping bolt 33, the second clamping bolt is in threaded connection with the second fixing table, and bolt caps of the two second clamping bolts can clamp the test piece to limit movement of the test piece in the horizontal direction.

Adopt first clamp bolt and second clamp bolt, satisfied the tight demand of the clamp of unidimensional test piece, two test pieces can be fixed simultaneously to the mount table moreover.

And an erosion pipe 34 is connected to one side wall of the box body, which is vertical to the first direction, of the box body, the axis direction of the erosion pipe is arranged along the first direction, and the erosion pipe is used for introducing erosion media into the box body.

the backup pad can utilize first waist hole and second waist hole to move along first direction to adjust test piece and erosion pipe distance on the mount table, and then adjust erosion intensity.

And the bottom box wall of the box body is provided with a dust removal pipe 35, and the dust removal pipe is used for being connected with an external dust removal device.

When the multi-mode erosive wear test device is used, the distance between the mounting table and the erosive pipe and the height of the load table are adjusted in advance, the test piece is fixed on the mounting table, and during the test, three working modes are provided, namely position-changing erosive erosion, angle-changing erosive erosion and position-changing and angle-changing synergistic erosive erosion.

Position-variable erosion:

The first conversion pin is inserted into the first pin hole and the second pin hole, the first transmission sleeve is connected with the lead screw, the lead screw locking nut is loosened, the lead screw cannot be locked with the loading table, the pointer is tightly pressed on the dial by the pointer pressing nut, the second transmission sleeve cannot rotate, the servo motor is started, the servo motor drives the lead screw to rotate through the first transmission sleeve, the mounting table moves along the axis direction of the lead screw, the connecting rod guides the movement of the mounting table, and an erosion medium is introduced through the erosion pipe, so that an erosion test under a test piece displacement mode can be carried out.

Variable angle erosion:

Inserting a first conversion pin into the first pin hole and the second pin hole, inserting a second conversion pin into the third pin hole and the fourth pin hole, loosening the screw rod locking nut, loosening the pointer compression nut, starting the servo motor, driving the screw rod to rotate by the first transmission sleeve at the moment, driving the second transmission sleeve to synchronously rotate by the first transmission sleeve, driving the mounting table to synchronously rotate by the second transmission sleeve through the connecting rod, only rotating the mounting table and the test piece around the axis of the screw rod at the moment, and introducing an erosion medium by using the erosion pipe to perform an erosion test under the variable-angle mode of the test piece. During the test under this kind of mode, the turned angle of usable scale packing pointer observation second driving sleeve.

Variable angle erosion and variable position and variable angle cooperative erosion:

Only insert the second conversion round pin in third pinhole and fourth pinhole, loosen gland nut, compress tightly lead screw lock nut at the lower surface of load platform, make lead screw and load platform locking fixed, servo motor starts, first drive sleeve drives the synchronous rotation of second drive sleeve, the second drive sleeve drives the mount table through the connecting rod and rotates, the mount table is connected with the working portion of lead screw, because lead screw and load platform locking, can't rotate, so the mount table can move along the axis direction of lead screw when rotating, utilize the erosion pipe to introduce the erosion medium, can carry out the erosion experiment under the cooperation effect of variable angle and displacement.

By adopting the testing device of the embodiment, the tests in three modes can be performed, and the applicability is stronger.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

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