KR20170059822A - A coupling device with load cell for tractor instrument - Google Patents

A coupling device with load cell for tractor instrument Download PDF

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Publication number
KR20170059822A
KR20170059822A KR1020150164273A KR20150164273A KR20170059822A KR 20170059822 A KR20170059822 A KR 20170059822A KR 1020150164273 A KR1020150164273 A KR 1020150164273A KR 20150164273 A KR20150164273 A KR 20150164273A KR 20170059822 A KR20170059822 A KR 20170059822A
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KR
South Korea
Prior art keywords
load cell
loader
engaging
coupling
working machine
Prior art date
Application number
KR1020150164273A
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Korean (ko)
Inventor
강대용
임광원
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(주)송현
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Priority to KR1020150164273A priority Critical patent/KR20170059822A/en
Publication of KR20170059822A publication Critical patent/KR20170059822A/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/069—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors with means for weighing the implement
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B77/00—Machines for lifting and treating soil

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Agricultural Machines (AREA)

Abstract

The present invention relates to a machinery connecting device with a load cell installed therein and, more specifically, to a machinery connecting device with a load cell installed therein capable of measuring the weight of a workpiece bound to a working machine such as forceps. The present invention includes: a pair of loader engagement members (100); a machinery joining member (200); and a locking means (300). An engaging hook (220) and an engaging groove (230) are formed, respectively, in the front upper portion and the center portion of the machinery joining member (200). A binding rod (240) is formed at the front lower portion of the machinery joining member (200). A first load cell (400) is installed on the loader engagement member (100). A second load cell (410) is installed at a central portion of the loader engagement member (100). An insertion groove (140) is formed in a lower portion of the loader engagement member (100). The present invention further includes a load cell fixing means (500).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connection device for a load cell,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a work machine connecting apparatus equipped with a load cell, and more particularly to a work machine connecting apparatus equipped with a load cell capable of measuring the weight of an object to be worked,

In general, when a tractor is used for a variety of tasks, a tractor is used for each work.

For example, in a continuous operation such as transportation, loading, cutting, and feeding of a bale (a bundle of rice straw) used as a feed for livestock, a separate working machine, that is, a carrier, a loader, and a cutter, have.

Conventionally, in order to connect the working machine to the tractor, an operator has left the tractor, connected the working machine to the tractor, and then ran back to the tractor to operate the working machine.

In this way, it is necessary to provide a device that can connect or detach a variety of working machines to or from the tractor without getting off the tractor. Conventionally, as shown in Korean Registered Utility Model No. 20-0343858 (structure of a bucket attachment / detachment device of agricultural tractor loader) And an annular bracket is formed at an upper end of the annular bracket and is formed at an upper end of the annular bracket, and both ends of the engaging pin And an insertion hole formed at a position opposite to the annular pin and adapted to receive the annular pin therein. The annular pin is fixed to the annular pin, A pair of plates are welded to the pipe at a predetermined position with respect to the insertion space, A lock link configured by a spring plate connected to a spring to pivot the pipe, and a pair of upper and lower holes connected to the main body of the loader. The pipe is formed with a plurality of long holes and a plurality of long holes A bucket attaching / detaching device for an agricultural tractor loader configured by a hole and a hole penetrating the rear end of the pipe, and a bolt for attaching the bolt to the elongated hole of the connecting bracket to adjust the width of the bucket.

In addition to the above-mentioned technologies, the patent application No. 0906036 (connection device for the tractor working machine), the utility model registration No. 0413756 (the hydraulic connection device for the tractor working machine), the utility model registration No. 0413755 (the connection device for the tractor working machine) And the like are registered.

All of the above techniques are techniques for effective connection with a work machine by being connected to a tractor.

On the other hand, as an example of a working machine connected to a tractor, a tale bag is used for carrying a bale or a tone bag using a bale forceps or a ton back transportation work using a tone bag dedicated machine. In the case of a tone bag, Weighing process is essentially a weight measurement process, and the bale weighs.

However, in the case of the veil and the tone bag, since the volume of the weighing machine for measuring the weight of the veil and the bag is considerably large, it is necessary to increase the volume of the weighing machine to increase the manufacturing cost. It is troublesome to transport the veil or ton back to the installation position of the weighing machine.

Registration Utility Model No. 20-0343858 (Feb. 24, 2004, Structure of bucket detachment device of agricultural tractor loader) Patent Registration No. 0906036 (Jun. 26, 2009, connection device for tractor working machine) Registration Utility Model No. 0413756 (2006.04.05, Hydraulic connection device for tractor working machine)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a method of mounting a load cell on a rod coupling member so that a work machine coupling member is directly hooked, And to provide a connecting device for a working machine equipped with a load cell capable of being measured.

In order to accomplish the above object, the present invention is configured by two plates 110 separated from each other by a fixing table 120, and a plurality of A pair of loader engaging members 100 formed to have loader engaging holes 130 and to be adjusted in width by a connecting frame 150 having a variable length; A work machine engaging member 200 detachably coupled to the front of the pair of loader engaging members 100 and having a work machine engaging hole 210 for engaging with the work machine, And a locking unit 300 installed on the loader engagement member 100 for locking or unlocking the working machine engaging member 200. In the working machine connecting apparatus, And a coupling rod 240 is formed on the front lower portion of the coupling member 300 so as to be coupled to the lock bundle 310 of the locking means 300, A first load cell 400 installed across the space between the plates 110 to allow the engaging hooks 220 to be hooked to support the working machine engaging member 200, A second load cell 410 is installed at a central portion of the plate 110 so as to cross the space between the plates 110 and inserted into the latching groove 230. The lower end of the loader engaging member 100 240 are inserted into the insertion groove 140, And a load cell fixing means 500 for fixing the first load cell 400 and the second load cell 410 so as not to be separated from the space between the plates 110.

According to the apparatus connecting apparatus having the load cell configured as described above, the weight of the object can be measured through the process of lifting the object using the working machine, so that the weighing operation can be easily and conveniently performed in a short time It is possible to eliminate the troublesomeness required to be carried to the place where the weighing instrument is installed as in the conventional case, and it is economical to reduce the burden of purchasing the weighing instrument.

1 is a perspective view of a work machine connecting apparatus equipped with a load cell according to the present invention,
FIG. 2 is an exploded perspective view of a loader engaging member in a work machine connecting apparatus equipped with a load cell according to the present invention, FIG.
3 is an exploded view showing a first load cell and a load cell fixing unit according to the present invention,
FIG. 4 is an assembled state of the first and second load cells according to the present invention,
FIG. 5 is a cross-sectional view taken along line AA of FIG. 1,
6 is a state in which the working machine engagement member according to the present invention is in a locked state,
7 is a state in which the working machine engagement member according to the present invention is unlocked.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a work machine connecting apparatus equipped with a load cell according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in the drawing, a work machine connecting apparatus equipped with a load cell according to the present invention includes a loader engaging member 100 coupled to a loader, a working machine engaging member 200 coupled to a working machine, A locking unit 300 for locking or unlocking the working machine coupling unit to the loader coupling member, a first load cell 400 and a second load cell 410, a load cell fixing unit 500, and a display unit 550 .

The loader engagement member 100 is configured to be coupled to the front end of the loader, and may be directly coupled to the end of the loader or may be coupled by separate engagement means.

The loader engaging member 100 is formed of two plates 110 separated from each other by a fixing table 120. A plurality of loader engaging holes 130 are formed.

At this time, the loader engagement members 100 are provided as a pair and are spaced apart from each other. The loader engagement members 100 are connected to each other by the variable length connecting frame 150, and are spaced apart from each other.

The connecting frame 150 includes a first frame 151 coupled to one of the pair of loader engaging members 100 and a second frame 151 coupled to one of the loader engaging members 100, And a second frame 152 coupled to one loader engagement member.

Accordingly, the length of the connection frame varies as the first frame 151 is drawn into the second frame 152 or drawn out from the second frame.

The loader coupling member 100 is provided with the locking unit 300 for coupling the working machine coupling member 200 to the loader coupling member 100. The loader coupling member 100 is coupled to the loader coupling member 100, And a first load cell 400 is installed to measure the weight.

A detailed description of the first load cell 400 will be described later.

The working machine engaging member 200 is detachably coupled to the front of the pair of the loader engaging members 100, and the working machine engaging hole 210 is formed at the rear thereof for engaging with the working machine.

The working machine coupled to the working machine engagement member 200 is an agricultural machine such as a bale clamp, a bucket,

A locking ring 220 and a locking groove 230 are formed in the front upper portion and the central portion of the working machine coupling member 200 for coupling with the loader coupling member, And a binding rod 240 is formed so as to be bound to the base 310.

The locking means 300 is configured to lock or unlock the working machine engaging member 200 and is provided on the loader engaging member 100.

Specifically, the locking unit 300 is installed in a space between the plates 110 of the pair of loader engaging members 100 so as to be rotatable by the respective rotating shafts 330 so as to lock or unlock the working machine engaging member, And a control lever 320 installed between the control lever 320 and the plate 110 to maintain the lock state of the lock bundle 320. [ 320 for applying an elastic force to the elastic member 340.

The control lever 320 is provided to control the rotation of each of the rotation shafts. The control lever 320 includes a first lever 321 whose one end is coupled to one of the two rotation shafts, a first lever 321, And a second lever 322 having one end inserted into the other one of the rotation shafts.

The control lever 320 is composed of the first lever 321 and the second lever 322 to vary the length thereof in order to control the width of the loader engagement member 100. To this end, the length of the connection frame 150 is also variable.

The elastic member 340 may use a tension spring.

Since the locking means 300 has a known configuration, the operation of the locking means 300 will be omitted. 6 and 7 are drawings showing the locking and unlocking of the working machine engagement member.

Meanwhile, in order to prevent such a problem, the control lever 320 may be rotated by the external pressure or the like during the operation of the operation machine to release the locking of the operation machine engagement member. The rotation restricting means 600 may be provided.

The rotation restricting means 600 includes a bracket 601 welded to the connection frame 150 so as to protrude from the mounting position of the control lever 320 and to be fixed to the bracket 601 by fixing means, And a rotation restraint 602 which is caught by a part of the outer circumferential surface of the rotation restricting member 320.

The fixing means may include a bolt and a nut to fix the bracket and the rotation restraint to each other.

The first load cell 400 is installed on the upper portion of the loader engagement member 100 of the present invention and the second load cell 410 is installed on the middle portion of the loader engagement member 100, And an insertion groove 140 is formed in the lower portion to insert the coupling rod 240.

The first load cell 400 is installed to cross the space between the plates 110 and supports the work machine engaging member 200 while engaging with the engaging hook 220, And the weight of the workpiece is measured using a working machine coupled to the workpiece.

At this time, as the latching ring 220 is hooked on a part of the first load cell 400, the latching ring can be moved to one side of the first load cell 400, which may cause a slight load.

Since the accurate measurement of the weight of the workpiece may be difficult when the one-sided load is applied, the latching plate 250 is integrally formed on the inner surface of the latching ring 220 so as to prevent the above- .

It is preferable that the latching plate 250 is formed to increase the contact area with the outer circumferential surface of the first load cell 400 and to have a width three to four times larger than the width of the latching ring.

In addition, since only the upper portion of the working machine coupling member 200 is hooked to the first load cell 400, the weight of the workpiece may not be precisely measured. The second load cell 410 is installed at the center of the loader engaging member 100 to support the intermediate portion of the working machine engaging member 200 to more accurately measure the weight of the workpiece.

The second load cell 410 is installed to cross the space between the plates 110 like the first load cell and is inserted into the latching groove 230 to support the working machine coupling member 200 .

Since the first load cell 400 and the second load cell 410 may be separated from the plate 110, the first load cell 400 and the second load cell 410 may be separated from each other by the load cell fixing unit 500 .

3, the load cell fixing unit 500 includes a coupling groove 510 formed on a part of the outer circumferential surface of one side of the first load cell 400 and the second load cell 410, A coupling piece 520 having a coupling hook 521 formed at an inner side portion thereof to be inserted into the coupling groove 510 while surrounding the outer peripheral surface of one side of the second load cell 410 and a coupling piece 520 having the coupling piece 520 inserted into the coupling hole 510, And a fixing member 530 for fixing the upper portion and the central portion of the side surface of the fixing member 530, respectively.

The binding hooks 521 are inserted and bound to the binding groove 510 to prevent the first load cell and the second load cell from being separated from the plate.

The fixing member 530 is composed of a bolt and a nut.

The display unit 550 is connected to the first load cell 400 and the second load cell 410 and receives data detected from the first load cell 400 and the second load cell 410 and displays the numerical value.

It is preferable that the display unit 550 is installed on one side of the driver's seat so that the operator can easily confirm the driver's operation, thereby enhancing convenience. In addition to the driver's seat, the display unit 550 may be installed on one side of the apparatus connection apparatus of the present invention.

According to the present invention configured as described above, since the weight of the workpiece can be measured using the working machine while coupling the working machine coupling member installed in the working machine to the loader coupling member, weight measurement can be performed simultaneously with transportation of the workpiece.

In particular, in the case of a tone bag containing rice and the like, it is necessary to carry out a weight measurement, so that it is inconvenient to carry it to a place where the weight measuring scale is installed and a waiting time for measuring the weight. And it is a very useful invention that can finish the work in a shorter time.

100: loader engagement member 110: plate
120: fixed base 130: loader coupling ball
140: insertion groove 150: connection frame
151: first frame 152: second frame
200: working machine coupling member 210: working machine coupling ball
220: Retaining ring 230: Retaining groove
240: Coupling rod 250:
300: Locking means 310: Locking bundle
320: control lever 321: first lever
322: second lever 330:
340: elastic member 400: first load cell
410: second load cell 500: load cell fixing means
510: coupling groove 520: coupling piece
521: Coupling hook 530: Fixing member
550: display unit 600: rotation limiting means
601: Bracket 602:

Claims (4)

A plurality of loader coupling holes 130 are formed at the rear of the plate 100 for coupling with the loader, and the length of the variable loader 130 is variable. A pair of loader engaging members 100 provided to be width-controlled by the connecting frame 150; A work machine engaging member 200 detachably coupled to the front of the pair of loader engaging members 100 and having a work machine engaging hole 210 for engaging with the work machine, And a locking means (300) installed on the pair of loader engaging members (100) to lock or unlock the working machine engaging member (200)
A locking ring 220 and a locking groove 230 are formed in the front upper portion and a central portion of the working machine coupling member 200 and a coupling rod 230 is fastened to the locking unit 310 of the locking means 300, 240 are formed,
A first load cell 400 is installed at an upper portion of the loader engaging member 100 so as to cross the space between the plates 110 so that the engaging hook 220 is engaged to support the working machine engaging member 200 And a second load cell 410 is installed at a central portion of the loader engagement member 100 so as to cross the space between the plates 110 and inserted into the engagement groove 230. The loader engagement member 100 An insertion groove 140 is formed in a lower portion of the base plate 210 to insert the coupling rod 240,
A load cell fixing means 500 for fixing the first load cell 400 and the second load cell 410 so as not to be separated from the space between the plates 110; And a display unit (550) connected to the load cell and displaying the detected weight.
The method according to claim 1,
The load cell fixing unit 500 includes a coupling groove 510 formed on a part of the outer circumferential surface of one side of the first load cell 400 and the second load cell 410 and a coupling groove 510 formed between the first load cell 400 and the second load cell 410, A binding piece 520 having a binding hook 521 formed on an inner circumferential surface of the plate 110 so as to insert an inner portion thereof into the binding groove 510; And a fixing member (530) for fixing the load cell to the load cell.
The method according to claim 1,
The inner surface of the latching ring 220 is integrally formed with the latching plate 250 so as to have a width of 3 to 4 times larger than the width of the latching ring so as to increase the contact area with the outer circumferential surface of the first load cell 400 The work machine connection device equipped with the load cell.

The method according to claim 1,
The rotation restricting unit 600 is installed on the connection frame 150 so that the rotation of the control lever is restricted by hooking the control lever 320,
The rotation restricting means 600 includes a bracket 601 welded to the connection frame 150 so as to protrude from the mounting position of the control lever 320 and to be fixed to the bracket 601 by fixing means, And a rotation restraint (602) that is caught on a part of an outer circumferential surface of the workpiece (320).
KR1020150164273A 2015-11-23 2015-11-23 A coupling device with load cell for tractor instrument KR20170059822A (en)

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KR1020150164273A KR20170059822A (en) 2015-11-23 2015-11-23 A coupling device with load cell for tractor instrument

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KR1020150164273A KR20170059822A (en) 2015-11-23 2015-11-23 A coupling device with load cell for tractor instrument

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190056806A (en) * 2017-11-17 2019-05-27 주식회사 아세아텍 Working tools changer for agricultural machine
KR20200002056A (en) * 2018-06-29 2020-01-08 (주)태성공업 A loader connection device for tractor
KR20220039996A (en) 2020-09-23 2022-03-30 남기성 One-touch multi-connection device for bucket
KR20220064687A (en) 2020-11-12 2022-05-19 남기성 One touch multi connection device for bucket
KR20230105511A (en) * 2022-01-04 2023-07-11 김계수 Shock absorbers for harrows

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190056806A (en) * 2017-11-17 2019-05-27 주식회사 아세아텍 Working tools changer for agricultural machine
KR20200002056A (en) * 2018-06-29 2020-01-08 (주)태성공업 A loader connection device for tractor
KR20220039996A (en) 2020-09-23 2022-03-30 남기성 One-touch multi-connection device for bucket
KR20220064687A (en) 2020-11-12 2022-05-19 남기성 One touch multi connection device for bucket
KR20230105511A (en) * 2022-01-04 2023-07-11 김계수 Shock absorbers for harrows

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