CN218180573U

CN218180573U - Lawn mower accessory uses wear detection device

Info

Publication number: CN218180573U
Application number: CN202222071822.1U
Authority: CN
Inventors: 王广超; 王永田; 冯兵; 李佳
Original assignee: Shandong Hanshi Amorphous Materials Technology Co ltd
Current assignee: Shandong Hanshi Amorphous Materials Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-30
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a lawn mower accessory uses wearing and tearing detection device, relates to check out test set technical field, which comprises a frame, fixed mounting has the test box in the frame, the top of test box is rotated and is installed the pivot, pivot upper end transmission is connected with drive arrangement, the bottom of pivot is installed and is awaited measuring the cutter, test box bottom fixed mounting has the screen cloth, be provided with the feed inlet on the test box, the feed inlet is located await measuring the cutter top, the coarse fodder export of screen cloth is provided with the case that gathers materials, be provided with hoisting device in the case that gathers materials, hoisting device's upper end export intercommunication the feed inlet, the coarse fodder export of screen cloth is provided with the dump bin, still be provided with the feed supplement mouth on the case that gathers materials. By repeatedly conveying the test medium to the cutter to be tested, the contact frequency of the test medium and the cutter is improved, and the utilization rate of the test medium is improved.

Description

Lawn mower accessory uses wear detection device

Technical Field

The utility model relates to a check out test set technical field, in particular to lawn machine accessory uses wearing and tearing detection device.

Background

The lawn mower is used as a main machine in the fields of agriculture, pasturing and gardening, and the main part of the lawn mower is a lawn mower cutter which is a main object of relevant research of the lawn mower all the time. As a lawn mower working under special working conditions, different media need to be trimmed, so that a cutter can be abraded, and the abrasion is a main failure and damage mode of the cutter. The traditional lawn mower cutter abrasion test is mostly carried out outdoors or in a laboratory, the outdoor test is easily restricted by factors such as seasons, climate and the like, and the environmental temperature, soil humidity, compactness and the like are difficult to control, so that the test conditions are inconsistent; and adopt the laboratory test to need to install the cutter in the test box, drive the cutter through drive arrangement and rotate to cut the different medium in the test box, then test the performance of cutter.

However, when the lawn mower cutter is tested, the cutter can only cut a layer of medium corresponding to the cutter, so that the layer of medium is smaller and smaller until the layer of medium cannot be cut, the medium at the bottom of the cutter is intact, the cutting effect is greatly influenced, the abrasion degree of the lawn mower cutter is influenced, and the final test result is influenced.

SUMMERY OF THE UTILITY MODEL

To above defect, the utility model aims at providing a lawn mower accessory uses wearing and tearing detection device, and this lawn mower accessory uses the test medium that wearing and tearing detection device can make full use of in the test box, guarantees the accuracy of test result.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a lawn mower accessory uses wear detection device, which comprises a frame, fixed mounting has the test box in the frame, the top of test box is rotated and is installed the pivot, pivot upper end transmission is connected with drive arrangement, the await measuring cutter of examination is installed to the bottom of pivot, test box bottom fixed mounting has the screen cloth, be provided with the feed inlet on the test box, the feed inlet is located the await measuring cutter top of examination, the coarse fodder export of screen cloth is provided with the case that gathers materials, it is provided with hoisting device in the case that gathers materials, hoisting device's upper end export intercommunication the feed inlet, the coarse fodder export of screen cloth is provided with the dump bin, it still is provided with the feed supplement mouth on the case to gather materials.

And a material blocking cover is fixedly arranged above the cutter to be tested.

The inner wall of the test box is provided with an inverted cone-shaped collecting cover, and the cutter to be tested is located at the lowest position of the collecting cover.

The front surface of the test box is provided with an opening and closing door which is made of transparent materials.

Wherein, the screen cloth is the slope screen cloth, the extreme lower position intercommunication of screen cloth the case that gathers materials, the screen cloth bottom is provided with the waste material case.

The top of test box is fixed with hollow shaft, the bottom of hollow shaft is fixed with the material blocking cover, the material blocking cover is the arc cover body, the pivot is located inside the hollow shaft.

The collecting cover comprises an upper ring and a lower ring which are fixed on the side wall of the test box, the diameter of the upper ring is larger than that of the lower ring, and a baffle is arranged between the upper ring and the lower ring.

The baffle comprises a plurality of first baffles, the upper ends of the first baffles are rotatably installed on the upper circular ring, the bottom of each first baffle is connected with the inner diameter end face of the lower circular ring through a connecting rod, the lower circular ring is an inflatable ring, and the first baffles are fixedly connected through elastic strips.

The baffle comprises a plurality of first baffles, an elastic belt is fixed to the upper end of each first baffle, the elastic belt is fixed to the upper circular ring, the bottom of each first baffle is hinged to the inner diameter end face of the lower circular ring, the lower circular ring is an inflation ring, and the first baffles are fixedly connected through elastic strips.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the utility model discloses a place the test medium in the case that gathers materials, carry the test case through the test medium of hoisting device in with the case that gathers materials, the test medium falls from the top down, drive arrangement drives the examination of awaiting measuring cutter and rotates, when the examination of awaiting measuring cutter and test medium contact, realize the cutting to the test medium, the test medium after the cutting falls the screen cloth of below, the less medium of particle diameter falls the waste bin of screen cloth below after the cutting, remaining medium falls back the case that gathers materials gradually at the action of gravity, repeat with this, after the medium becomes few in the case that gathers materials, can follow the feed supplement mouth and supply the test medium, through carrying the test medium repeatedly on the examination cutter that awaits measuring, thereby the contact frequency of test medium and cutter has been improved, the utilization ratio of test medium has been improved simultaneously.

2. The material blocking cover is fixedly arranged above the cutter to be tested, the inverted cone-shaped collecting cover is arranged on the inner wall of the testing box, and the cutter to be tested is located at the lowest position of the collecting cover, so that the testing medium is collected into the blade position of the cutter to be tested, the contact frequency of the testing medium and the cutter to be tested is improved, and the utilization rate of the testing medium is improved.

3. Through setting up a plurality of first baffles, it is fixed through the elasticity strip between a plurality of first baffles, then through the inclination of aerifing the ring control first baffle to control first baffle and the interval of examination awaiting measuring cutter, thereby can adjust the interval according to the examination medium of difference and the examination of unidimensional examination of not awaiting measuring cutter, thereby prevent to cause the jam because of the intensity and the pliable and tough degree of different media.

To sum up, the utility model relates to a lawn mower accessory uses wearing and tearing detection device has solved among the prior art that test medium utilization ratio is not high, leads to the technical problem of the examination of awaiting measuring cutter, the utility model discloses a carry test medium repeatedly on the examination of awaiting measuring cutter to improved the contact frequency of test medium and cutter, improved the utilization ratio of test medium simultaneously.

Drawings

FIG. 1 is a schematic view of a wear detection device used in a lawn mower accessory according to the present invention;

FIG. 2 is a schematic view of the construction of the collection hood of FIG. 1;

in the figure: 1. frame, 2, test box, 201, feed inlet, 202, inlet pipe, 21, pivot, 22, drive arrangement, 23, screen cloth, 3, the case that gathers materials, 4, hoisting device, 5, the dump bin, 6, the cutter that awaits measuring, 61, the fender cover, 62, collect the cover, 621, last ring, 622, lower ring, 623, baffle, 6231, first baffle, 6232, elastic strip, 6234, elastic band, 63, hollow shaft.

Detailed Description

The invention is further explained below by referring to the drawings and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

As shown in FIG. 1, the abrasion detection device for lawn mower accessories comprises a frame 1, a test box 2 is fixedly mounted on the frame 1, and an opening and closing door (not shown in the figure) is arranged on the front face of the test box 2 and made of transparent material, so that the condition in the test box 2 can be observed, and the opening, the maintenance or the assembly can be realized. Frame 1 forms for 100mm channel-section steel and 3mm steel sheet welding, guarantees detection device's stability, can not influence test data because of drive arrangement 22 produces the vibration.

As shown in FIG. 1, a rotating shaft 21 is rotatably mounted on the top of the testing box 2, and the upper end of the rotating shaft 21 penetrates through the testing box 2 and is connected with a driving device 22 in a transmission manner. The driving device 22 is an engine of 3200r/min, performance parameters of the driving device exceed those of most lawn mowers sold in the market, and continuity and stability of power output are guaranteed. The inner diameter of the test box 2 is 650mm, and the test requirement of the lawn mower blade within 24 inches in length can be met. The cutter 6 that awaits measuring is installed to the bottom of pivot 21, the pivot 21 bottom can be furnished with multiple model connector, can connect fixed different accessories, expand the variety of test, the connector adopts high strength bolted connection with drive arrangement 22's output shaft, guarantee that power take off efficiency reaches 99.99%, prevent to influence the efficiency of software testing because of power take off efficiency descends, detection device periphery is equipped with power take off control system, divide into 20% altogether, 40%, 60%, 80%, 100%,5 kinds of power take off modes, can satisfy the test requirement of different operating modes, not unidimensional, the model.

As shown in fig. 1, a feeding port 201 is provided on the testing box 2, the feeding port 201 is located above the to-be-tested tool 6, a feeding pipe 202 is connected to the feeding port 201, and the feeding pipe 202 extends obliquely downward to above the to-be-tested tool 6. Different test media are injected into the test chamber 2 via the inlet 201. The bottom of the rotating shaft 21 is fixedly provided with a screen 23, and the screen 23 is an inclined screen. The coarse fodder export of screen cloth 23 is provided with the case 3 that gathers materials, gathers materials and is provided with hoisting device 4 in the case 3, and hoisting device 4's upper end export intercommunication feed inlet 201, and the coarse fodder export of screen cloth 23 is provided with waste bin 5, and waste bin 5 is located screen cloth 23's bottom, still is provided with the feed supplement mouth (not shown in the figure) on the case 3 that gathers materials. The test medium is cut by the tool 6 to be tested by adding the test medium into the collection box 3, then lifting the test medium to the feed port 201 through the lifting device 4, and then falling the test medium into the range of the tool 6 to be tested through the feed pipe 202.

As shown in fig. 1, a material blocking cover 61 is fixedly installed above the cutter 6 to be tested. A hollow shaft 63 is fixed at the top of the test box 2, a material blocking cover 61 is fixed at the bottom of the hollow shaft 63, the material blocking cover 61 is an arc-shaped cover body, and the rotating shaft 21 is located inside the hollow shaft 63. The inner wall of the test box 2 is provided with an inverted cone frustum-shaped collecting cover 62, and the tool 6 to be tested is located at the lowest position of the collecting cover 62. The collecting cover 62 comprises an upper ring 621 and a lower ring 622 fixed on the side wall of the testing box 2, the diameter of the upper ring 621 is larger than that of the lower ring 622, and a baffle 623 is arranged between the upper ring 621 and the lower ring 622. Because the diameter of the upper ring 621 is larger than that of the lower ring 622, the baffle 623 is in an inverted frustum shape. Test media falling from the upper side are collected into the cutting range of the cutter 6 to be tested through the baffle 623, then the test media are shunted to the cutting edge position of the cutter 6 to be tested through the material blocking cover 61 above the cutter 6 to be tested, the contact frequency of the cutting edge and the test media is increased, and meanwhile, the cutter 6 to be tested is protected.

The first embodiment is as follows:

the baffle 623 comprises a plurality of first baffles 6231, the upper ends of the first baffles 6231 are rotatably mounted on the upper circular ring 621, the bottom of the first baffles 6231 is connected with the lower circular ring 622 through a connecting rod (not shown in the figure), two ends of the connecting rod are respectively hinged on the back surfaces of the lower circular ring 622 and the first baffles 6231, and the first baffles 6231 are smooth hard plates, so that the friction force between the test medium and the first baffles 6231 is reduced. The lower ring 622 is an inflatable ring, and the adjacent first baffle plates 6231 are fixedly connected through elastic strips 6232. When the size of the cutter 6 to be tested is changed or the medium is changed, the gap between the first baffle 6231 and the cutter 6 to be tested needs to be adjusted, so that the gap between the bottom ends of the first baffle 6231 can be adjusted by inflating and deflating the lower ring 622, and then the elastic strips 6232 are used for ensuring that all the first baffles 6231 are integrally connected.

Example two:

as shown in fig. 2, the present embodiment is substantially the same as the first embodiment, except that the baffle 623 includes a plurality of first baffles 6231, an elastic band 6234 is fixed to the upper end of the first baffles 6231, the elastic band 6234 is fixed to the upper circular ring 621, the bottom of the first baffles 6231 is hinged to the lower circular ring 622, the lower circular ring 622 is an inflatable ring, and adjacent first baffles 6231 are fixedly connected by an elastic strip 6232.

As shown in fig. 1 and fig. 2, the working flow of the abrasion detecting device used in the lawn mower accessory of the present invention is as follows:

test media are added into the material collecting box 3, are lifted to the feeding hole 201 through the lifting device 4, fall into the range of the cutter 6 to be tested through the feeding pipe 202, are collected into the cutting range of the cutter 6 to be tested through the baffle 623, are shunted to the position of the blade of the cutter 6 to be tested through the material blocking cover 61 above the cutter 6 to be tested, increase the contact frequency of the blade and the test media, and play a role in protecting the cutter 6 to be tested; the repeatedly cut test media which do not conform to the particle size fall to the waste bin 5 from the screen 23, the test media which conform to the standard fall to the collection bin 3 for recycling, and when the test reaches the preset time, the machine is stopped to detect the cutter 6 to be tested.

The utility model relates to a lawn mower accessory uses wearing and tearing detection device to detect through carrying the test medium repeatedly the examination awaits measuring cutter on to improve the contact frequency of test medium and cutter, improved the utilization ratio of test medium simultaneously.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The utility model provides a lawn mower accessory uses wear detection device, includes the frame, its characterized in that, fixed mounting has the test box in the frame, the top of test box is rotated and is installed the pivot, pivot upper end transmission is connected with drive arrangement, the await measuring cutter of examination is installed to the bottom of pivot, test box bottom fixed mounting has the screen cloth, be provided with the feed inlet on the test box, the feed inlet is located the await measuring cutter top, the coarse fodder export of screen cloth is provided with the case that gathers materials, it is provided with hoisting device in the case to gather materials, hoisting device's upper end export intercommunication the feed inlet, the coarse fodder export of screen cloth is provided with the dump bin, still be provided with the feed supplement mouth on the case that gathers materials.

2. The lawn mower accessory wear detection device as claimed in claim 1, wherein a material blocking cover is fixedly mounted above the cutter to be tested.

3. The lawn mower accessory wear detection device according to claim 2, wherein the inner wall of the test box is provided with an inverted cone frustum-shaped collection cover, and the cutter to be tested is located at the lowest position of the collection cover.

4. The lawn mower accessory wear detection device as claimed in claim 1, wherein an opening and closing door is arranged on the front face of the test box, and the opening and closing door is made of transparent materials.

5. The lawn mower accessory wear detection device according to claim 1, wherein the screen is an inclined screen, the lowest position of the screen is communicated with the material collecting box, and the bottom of the screen is provided with the waste material box.

6. The lawn mower accessory wear detection device as claimed in claim 3, wherein a hollow shaft is fixed to the top of the test box, the material blocking cover is fixed to the bottom of the hollow shaft, the material blocking cover is an arc-shaped cover body, and the rotating shaft is located inside the hollow shaft.

7. The lawn mower accessory wear detection device of claim 3, wherein the collection cover comprises an upper ring and a lower ring fixed on the side wall of the test box, the upper ring has a diameter larger than that of the lower ring, and a baffle is arranged between the upper ring and the lower ring.

8. The lawn mower accessory wear detection device as claimed in claim 7, wherein the baffle comprises a plurality of first baffles, the upper ends of the first baffles are rotatably mounted on the upper ring, the bottoms of the first baffles are connected with the inner diameter end face of the lower ring through connecting rods, the lower ring is an inflatable ring, and adjacent first baffles are fixedly connected through elastic strips.

9. The lawn mower accessory wear detection device as claimed in claim 7, wherein the baffle comprises a plurality of first baffles, an elastic belt is fixed to the upper ends of the first baffles, the elastic belt is fixed to the upper ring, the bottoms of the first baffles are hinged to the inner diameter end face of the lower ring, the lower ring is an inflatable ring, and adjacent first baffles are fixedly connected through an elastic strip.