CN212030884U - Agricultural machinery touches native part wear testing machine - Google Patents

Abstract

The utility model relates to the field of agricultural machinery testing machines, in particular to an agricultural machinery soil-contacting part abrasion testing machine, which comprises a shell, a box body arranged in the shell and an agricultural machinery soil-contacting part, the top end of the box body is provided with an opening, a medium for wearing soil contact parts of the agricultural machinery can be placed in the box body, a driving mechanism is arranged in the shell, an installation mechanism is fixed on the driving mechanism, the agricultural machinery soil-contacting component is arranged on the installation mechanism, the driving mechanism can drive the agricultural machinery soil-contacting component to move along the length direction of the shell, the utility model has the contact action with the medium in the box body, avoids the abrasion difference of the soil contact part of the agricultural machine in the traditional abrasion tester with circumferential rotation, the condition of the abrasion test is closer to actual production, the test effect is improved, and the abrasion analysis and the improvement of soil contact parts of agricultural machinery are facilitated.

Description

Agricultural machinery touches native part wear testing machine

Technical Field

The utility model relates to an agricultural machinery testing machine technical field especially relates to an agricultural machinery touches native part wear testing machine.

Background

China is a big agricultural country, the dependence of agriculture on agricultural machinery is more and more obvious, China has reached the stage of accelerating the promotion of agricultural mechanization, the realization of agricultural mechanization is a key link for developing modern agriculture, and the method is a basic project for guaranteeing national food safety. The agricultural machinery soil-contacting component is an important working component in agricultural machinery, and the abrasion of the agricultural machinery soil-contacting component brings huge economic loss to modern agricultural production and even can cause certain physical injury to agricultural machinery operators sometimes, so that the research on the abrasion condition of the agricultural machinery soil-contacting component is very necessary. Referring to fig. 2, the existing wear testing machine for the soil-contacting component of the agricultural machine comprises a machine body 22, a rotating rod 24 rotatably arranged in the middle of the machine body 22 and a connecting rod 23 connected with the rotating rod 24, wherein the soil-contacting component 8 of the agricultural machine is installed at one end of the connecting rod 23, and the rotating rod 24 is driven by a driving device such as a motor and the like to drive the soil-contacting component 8 of the agricultural machine to rotate in the machine body 22 in the axial direction of the rotating rod 24. However, long-term research shows that in the process of a wear test, the wear condition of one end of the agricultural soil contacting component 8 close to the rotating rod 24 is obviously different from the wear condition of one end of the agricultural soil contacting component 8 far away from the rotating rod 24, and particularly, agricultural automation and mechanization are popularized, the agricultural soil contacting component has the characteristic of large size, the first track 25 formed by the agricultural soil contacting component is obviously more worn than the second track 26 formed by the agricultural soil contacting component, so that various factors need to be considered when the wear condition is analyzed at a later stage, and the analysis result is influenced. On the other hand, the abrasion tester with circular rotation has a significant difference from the motion process of the soil-contacting part of the agricultural machine in actual production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the circumference pivoted abrasion testing machine that exists among the prior art and making the agricultural machinery touch the wearing and tearing condition difference of native part great, influence the shortcoming of the result of wearing and tearing and analysis, and the agricultural machinery who provides touches native part abrasion testing machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an agricultural machinery touches native part abrasion testing machine, is in including casing, setting the inside box body of casing and agricultural machinery touch native part, the open-top of box body, can place the medium that is used for wearing and tearing agricultural machinery to touch native part in the box body, install actuating mechanism in the casing, the last installation mechanism that is fixed with of actuating mechanism, the agricultural machinery touches native part setting and is in on the installation mechanism, actuating mechanism can drive the agricultural machinery touches native part edge the length direction of casing removes, with medium contact action in the box body.

Preferably, the driving mechanism comprises a motor, a first gear, a second gear engaged with the first gear, a third gear, a first half gear coaxially connected with the first gear, a second half gear coaxially connected with the second gear, an output gear coaxially connected with the third gear, and a rack engaged with the output gear, wherein an output shaft of the motor is connected with the first gear or the second gear, the third gear can be engaged with the first half gear and the second half gear, the third gear is connected with the first half gear or the second half gear, the first half gear and the second half gear are arranged in a staggered manner, the rack is slidably arranged on the supporting member, and the rack is connected with the mounting mechanism.

Preferably, installation mechanism is including fixing removal portion on the rack, with the telescopic link that removal portion is connected and with the installation department that the telescopic link is connected, agricultural machinery touches native part and fixes on the installation department.

Preferably, one end of the telescopic rod is provided with a fixing plate.

Preferably, guide portions are arranged on two sides of the fixing plate, and the cross section of each guide portion is triangular.

Preferably, the installation department slides and sets up the bottom of telescopic link, the installation department with install pressure sensor between the fixed plate, the bottom of telescopic link is provided with the stopper.

Preferably, a speed sensor is disposed on one side of the moving part.

Preferably, the number of the box bodies is multiple.

Preferably, a support piece is arranged in the shell, a door body is rotatably connected to the position, corresponding to the support piece, of the shell, and the box body is arranged at the top end of the support piece in a sliding mode.

Preferably, the top end of the supporting piece is provided with a first guide rail along the width direction of the shell, and the bottom end of the box body is provided with a first sliding chute in sliding fit with the first guide rail.

The utility model has the advantages that:

the utility model discloses actuating mechanism utilizes first half gear and the half gear of second of crisscross setting, third gear and the meshing of first half gear or the half gear of second, first half gear and the half gear of second keep reverse synchronous rotation simultaneously, can make the third gear, with the periodic positive and negative rotation of the output gear of the coaxial setting of third gear, and then make the rack drive the agricultural machinery and touch the soil part and do straight line back and forth movement, the wearing and tearing difference of agricultural machinery touching the soil part in traditional circumference pivoted wear testing machine has been avoided, make the condition of wear test be close actual production more, experimental effect has been improved, be favorable to touching the wearing and tearing analysis and the improvement of soil part to the agricultural machinery. Further, the utility model discloses be provided with multiunit agricultural machinery and touch soil part synchronous test, improved experimental effect, and synchronous experimental in-process, under same actuating mechanism's actuating action, can avoid the difference of testing machine time, be favorable to the analysis of follow-up experimental data. Further, the utility model discloses the box body of loading the medium is the pull formula, is convenient for add, change the medium in the box body.

Drawings

FIG. 1 is a perspective view of an agricultural machinery soil-contacting component abrasion testing machine provided by the present invention;

FIG. 2 is a top view of a prior art circular rotation wear tester;

FIG. 3 is a perspective view of the agricultural machine soil contacting part abrasion tester shown in FIG. 1 with the door body open (bottom end) and omitted (top end);

FIG. 4 is a perspective view of a drive mechanism in the agricultural machine soil contacting member wear testing machine shown in FIG. 1;

FIG. 5 is a perspective view of the drive mechanism shown in FIG. 4 from another perspective;

FIG. 6 is a perspective view of the interior of a box body in the agricultural machine soil contacting part abrasion tester shown in FIG. 1;

FIG. 7 is a perspective view of the interior of the enclosure shown in FIG. 6 from another perspective;

FIG. 8 is a schematic view of the first half-gear, the second half-gear, and the third gear in a first state within the interior of the case shown in FIG. 6;

FIG. 9 is a schematic view of the first half-gear, the second half-gear, and the third gear in a second state within the interior of the case shown in FIG. 6;

FIG. 10 is a perspective view of the support member shown in FIG. 1;

FIG. 11 is a perspective view of a mounting mechanism in the agricultural machine soil contacting part abrasion testing machine shown in FIG. 1;

FIG. 12 is a perspective view of the mounting mechanism of FIG. 11 from another perspective;

FIG. 13 is a front view of the mounting mechanism of FIG. 11.

In the figure: 1 telescopic rod, 2 moving parts, 3 speed measuring sensors, 4 shells, 41 first through holes, 42 cabinets, 43 cabinets, 44 door bodies, 45 supporting pieces, 451 second through holes, 5 boxes, 51 first chutes, 6 first guide rails, 7 racks, 71 second chutes, 8 agricultural machinery soil contact parts, 9 first gears, 10 motors, 11 storage batteries, 12 output gears, 13 second gears, 14 third gears, 15 first half gears, 16 second half gears, 17 mounting parts, 18 pressure sensors, 19 fixing plates, 20 guide parts, 21 limiting blocks, 22 cabinets, 23 connecting rods, 24 rotating rods, 25 first tracks and 26 second tracks.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and 3-13, an agricultural machinery touches native part abrasion testing machine, be in including casing 4, setting box body 5 and agricultural machinery that casing 4 is inside touches native part 8, the top end opening of box body 5, can place the medium that is used for wearing and tearing agricultural machinery in the box body 5 touches native part 8, and the medium specifically is different kinds of soil or gas, install actuating mechanism in the casing 4, the last installation mechanism that is fixed with of actuating mechanism, agricultural machinery touches native part 8 and sets up on the installation mechanism, actuating mechanism can drive agricultural machinery touches native part 8 and follows the length direction of casing 4 removes, with medium contact effect in the box body 5 simulates the wearing and tearing condition of agricultural machinery touch native part 8 in the medium.

Referring to fig. 1 and 3, a cabinet 42 and a box 43 are respectively disposed at a bottom end of the housing 4, the cabinet 42 is used for storage, the driving mechanism is disposed inside the box 43, and the storage battery 11 is fixed inside the box 43. The side walls of the two ends of the shell 4 are provided with first through holes 41. The side opening of casing 4 is provided with support piece 45 in the casing 4, support piece 45's top is provided with second through-hole 451, and the setting of second through-hole 451 is convenient for operate farm machinery part 8 that touches soil. The shell 4 is rotatably connected with a door 44 corresponding to the support piece 45. The box body 5 slides and sets up support piece 45's top, specifically, support piece 45's top is followed the width direction of casing 4 is provided with first guide rail 6, the bottom of box body 5 be provided with first guide rail 6 sliding fit's first spout 51. After the door 44 is opened by rotation, the box 5 can be pulled out from the casing 4, and media can be added or replaced into the box 5.

Referring to fig. 4-9, the driving mechanism includes a motor 10, a first gear 9, a second gear 13 engaged with the first gear 9, a third gear 14, a first half gear 15 coaxially connected with the first gear 9, a second half gear 16 coaxially connected with the second gear 13, an output gear 12 coaxially connected with the third gear 14, and a rack 7 engaged with the output gear 12, the output shaft of the motor 10 is connected to the first gear 9 or the second gear 13, the third gear 14 is capable of meshing with the first half gear 15 and the second half gear 16, and the third gear 14 is connected with the first half gear 15 or the second half gear 16, the first half gear 15 and the second half gear 16 are arranged in a staggered way, the rack 7 is arranged on the supporting piece 45 in a sliding mode, and the rack 7 is connected with the mounting mechanism. Specifically, the bottom end of the rack 7 is provided with a second sliding groove 71, and the top end of the supporting member 45 is provided with a second guide rail (not shown) slidably engaged with the second sliding groove 71.

Referring to fig. 8-9, fig. 8 is a schematic structural diagram of the first half gear 15, the second half gear 16 and the third gear 14 in the first state, at this time, the first half gear 15 is separated from the third gear 14, the second half gear 16 is engaged with the third gear 14, after the motor 10 drives the first gear 9 to rotate, the first half gear 15 and the first gear 9 rotate counterclockwise in fig. 8, and simultaneously, the first gear 9 is engaged with the second gear 13, so that the second half gear 16 and the second gear 13 rotate clockwise in fig. 8, and further, the third gear 14 connected to the second half gear 16 rotates counterclockwise, so that the rack 7 connected to the third gear 14 moves. When the motor 10 continues to drive the first gear 9 to rotate, please refer to fig. 9, fig. 9 is a schematic structural diagram of the first half gear 15, the second half gear 16 and the third gear 14 in the second state, at this time, the first half gear 15 is engaged with the third gear 14, the second half gear 16 is separated from the third gear 14, the motor 10 keeps rotating at a constant speed, so that the first half gear 15 continues to rotate counterclockwise in fig. 9, the second half gear 16 rotates clockwise in fig. 9, but at this time, due to the engagement of the second half gear 16 with the third gear 14, the third gear 14 rotates in the opposite direction to that in the state of fig. 8 in the state of fig. 9, that is, at this time, the third gear 14 rotates clockwise, and further, the rack 7 moves in the opposite direction. In the process, the first half gear 15 and the second half gear 16 can always keep one of the first half gear 15 and the second half gear 16 connected with the third gear 14 under the action of inertia, so that the rack 7 can do reciprocating linear motion, and the abrasion condition of the agricultural machinery soil contact component 8 and a medium in the working process is simulated. The rack 7 can pass through the first through hole 41 during the movement.

Further, referring to fig. 10, in the present embodiment, the number of the supporting members 45 is two, and the number of the box bodies 5 is two, so that the wear simulation of two different sets of media on the soil contacting component 8 of the agricultural machinery can be realized, and the efficiency of the test is improved. It should be noted that in other embodiments, not shown, the number of the cartridges 5 may also be multiple, so as to achieve the comparative wear of different media. Two adjacent agricultural machinery contact and connect through connecting portion between the soil part 8, support piece 45's bottom is provided with the confession the third through-hole that connecting portion passed, support piece 45's top is provided with the confession the fourth through-hole that connecting portion passed.

Please refer to fig. 11-13, the installation mechanism is including fixing removal portion 2 on the rack 7, with the telescopic link 1 that removal portion 2 connects and with the installation department 17 that telescopic link 1 is connected, agricultural machinery touches native part 8 and fixes on the installation department 17, one side of removal portion 2 is provided with speed sensor 3, can move the in-process measurement speed that portion 2 removed, telescopic link 1 that can the fixed length among the prior art is adopted to telescopic link 1, the tip of installation department 17 is provided with anchor clamps among the prior art or touches the unable adjustment base that native part 8 corresponds with agricultural machinery, is convenient for touch native part 8 with agricultural machinery and fixes. One end of the telescopic rod 1 is provided with a fixing plate 19, because part of the agricultural machinery soil-contacting component 8 keeps the one side to be in contact with the medium in the using process, in order to simulate the situation in the reciprocating motion and reduce the double-side abrasion of the agricultural machinery soil-contacting component 8 caused by the reciprocating motion, both sides of the fixing plate 19 are provided with guide parts 20, the cross sections of the guide parts 20 are triangular, when the agricultural machinery soil-contacting component 8 moves forwards, the agricultural machinery soil-contacting component 8 can be abraded by the medium, when the agricultural machinery soil-contacting component 8 moves reversely, the fixing plate 19 can avoid the abrasion of the medium to the agricultural machinery soil-contacting component 8, meanwhile, the guide parts 20 can guide the medium to the two sides of the fixing plate 19 in a separating manner, and when the agricultural machinery soil-contacting component 8 moves forwards again, the medium is abraded by the self weight of the agricultural machinery soil-contacting component 8 again.

In the present embodiment, the two adjacent agricultural machinery soil contact members 8 have opposite wear directions.

Further, installation department 17 slides and sets up the bottom of telescopic link 1, installation department 17 with install pressure sensor 18 between the fixed plate 19, pressure sensor 18 is used for detecting the power that agricultural machinery touches native part 8 and receives, the bottom of telescopic link 1 is provided with stopper 21.

The utility model discloses actuating mechanism utilizes crisscross first half gear 15 and the half gear 16 of second that sets up, third gear 14 and the meshing of first half gear 15 or the half gear 16 of second, first half gear 15 and the half gear 16 of second keep reverse synchronous rotation simultaneously, can make third gear 14, 12 periodic positive and negative rotations with the output gear of the coaxial setting of third gear 14, and then make rack 7 drive agricultural machinery and touch soil part 8 and do straight line back and forth movement, the wearing and tearing difference of agricultural machinery and touch soil part 8 among the traditional circumference pivoted wear testing machine has been avoided, make the condition of wear test be close actual production more, experimental effect has been improved, be favorable to touching the wearing and tearing analysis and the improvement of soil part 8 to agricultural machinery. Further, the utility model discloses be provided with multiunit agricultural machinery and touch 8 synchronous tests on the soil part, improved experimental effect, and synchronous experimental in-process, under same actuating mechanism's actuating action, can avoid the difference of testing machine time, be favorable to the analysis of follow-up experimental data. Further, the utility model discloses box body 5 of loading medium is the pull formula, is convenient for add, change the medium in the box body 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides an agricultural machinery touches native part abrasion testing machine, its characterized in that is in including casing, setting the inside box body of casing and agricultural machinery touch native part, the open-top of box body, can place the medium that is used for wearing and tearing agricultural machinery to touch native part in the box body, install actuating mechanism in the casing, the last installation mechanism that is fixed with of actuating mechanism, the agricultural machinery touches native part setting and is in on the installation mechanism, actuating mechanism can drive the agricultural machinery touches native part and follows the length direction of casing removes, with medium contact effect in the box body.

2. The agricultural machinery soil-contacting part abrasion testing machine according to claim 1, wherein the driving mechanism comprises a motor, a first gear, a second gear meshed with the first gear, a third gear, a first half gear coaxially connected with the first gear, a second half gear coaxially connected with the second gear, an output gear coaxially connected with the third gear, and a rack meshed with the output gear, an output shaft of the motor is connected with the first gear or the second gear, the third gear can be meshed with the first half gear and the second half gear, the third gear is connected with the first half gear or the second half gear, the first half gear and the second half gear are arranged in a staggered manner, a support is arranged in the housing, and the rack is slidably arranged on the support, the rack is connected with the mounting mechanism.

3. The agricultural machinery soil-contacting component abrasion testing machine according to claim 2, wherein the mounting mechanism comprises a moving part fixed on the rack, a telescopic rod connected with the moving part and an installation part connected with the telescopic rod, and the agricultural machinery soil-contacting component is fixed on the installation part.

4. The agricultural machinery soil-contacting part abrasion testing machine according to claim 3, wherein a fixing plate is arranged at one end of the telescopic rod.

5. The agricultural machinery soil-contacting part abrasion testing machine according to claim 4, wherein guiding parts are arranged on two sides of the fixing plate, and the cross section of each guiding part is triangular.

6. The agricultural machinery soil-contacting part abrasion testing machine according to claim 4, wherein the mounting part is slidably arranged at the bottom end of the telescopic rod, a pressure sensor is mounted between the mounting part and the fixing plate, and a limiting block is arranged at the bottom end of the telescopic rod.

7. The agricultural machinery soil-contacting part abrasion testing machine according to claim 3, wherein a speed measuring sensor is arranged on one side of the moving part.

8. The agricultural machinery soil-contacting part abrasion tester according to claim 1, wherein the number of the box bodies is multiple.

9. The agricultural machinery soil-contacting part abrasion testing machine according to claim 1, wherein a support member is arranged in the casing, a door body is rotatably connected to the casing corresponding to the support member, and the box body is slidably arranged at the top end of the support member.

10. The agricultural machinery soil-contacting component abrasion testing machine according to claim 9, wherein a first guide rail is arranged at the top end of the supporting piece along the width direction of the shell, and a first sliding groove in sliding fit with the first guide rail is arranged at the bottom end of the box body.

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