KR200413756Y1 - Hydraulic couplings for tractor implements - Google Patents

Abstract

The present invention is a hydraulic coupling device for a tractor work machine known to be formed between the work machine and the loader to be detachable, the front side has a plurality of work machine coupling holes for coupling with a pair of connectors formed on one side of the work machine A pair of connecting members having a locking groove formed on one side of the upper side and a fixed shaft coupling hole on the lower side thereof, and a fixed shaft insertion hole on the lower side thereof, and a predetermined vertical direction in order to engage the front end of the loader. A body having a plurality of loader coupling holes is formed so as to be spaced apart from each other, but a pair of coupling members having a locking hole formed at an upper portion of the body so that the locking groove is fitted from the upper side to the lower direction, and horizontally between the coupling members. A connecting frame formed in a direction to secure a bearing force, and a pipe inside the fixed shaft insertion hole and the fixed shaft coupling hole; In order to provide a hydraulic coupling device for a tractor work machine is formed between the fixed shaft is inserted and separated so as to be formed between the fixed shaft and the hydraulic cylinder for operating the fixed shaft inward or outward, the present invention was relying only on conventional manual work Since the work of attaching and detaching the work machine and the loader can be conveniently operated inside the tractor, it is possible to solve the inconvenience and inconvenience of the worker, and to increase the work efficiency by shortening the time of detaching the work machine and the loader. . In addition, the present invention has the advantage that can be prevented in advance the safety accident that occurred when the operator proceeds to attach and detach the work machine and loader manually. In particular, the present invention can be easily applied according to the connection location and installation intervals of working machines and loaders having different specifications by manufacturer, so as to not only increase the utilization range of the connecting device for tractor work tools, but also previously unnecessary work and loaders. It is a very useful design that can generate the economic benefits of farms because it can reduce the cost of retrofitting.

Tractor, Loader, Work Tool, Coupling, Hydraulic

Description

A hydraulic coupling device for tractor instrument

1-an exploded perspective view for showing the structure of the hydraulic coupling device for a tractor work tool of the present invention.

Figure 2-a perspective view for showing the structure of the hydraulic coupling device for a tractor work tool of the present invention.

Figure 3-a perspective view from behind of the hydraulic coupling device for the inventive tractor work tool.

4-2 is a sectional view taken along the line A-A.

5-2 is a cross-sectional view taken along the line B-B.

Figure 6-Separated perspective view for showing the structure of the connecting member in the present invention.

Figure 7-An exploded perspective view showing the structure of the fixing member in the present invention.

8 is an exploded perspective view showing another embodiment of the hydraulic coupling device for a tractor work tool of the present invention.

9-a perspective view for showing another embodiment of the hydraulic coupling device for a tractor work tool of the present invention.

10-9 are cross-sectional views taken along the line C-C.

11 to 14-a flow chart for showing the state for detaching the work machine by using the hydraulic coupling device for the tractor work design of the present invention step by step.

Figure 15 is a cross-sectional view of the use state for showing the operating state of the holding member in the present invention.

Figure 16-Reference state of use of the hydraulic coupling device for a tractor work tool of the present invention.

Figure 17-Reference state of use of the hydraulic coupling device for a tractor work tool of the present invention.

* Explanation of symbols for main parts of the drawings

100: hydraulic coupling device for the tractor tractor

110: connecting member 110a: coupling hole

111: work machine coupling hole 112: locking groove

112a: locking shaft 113: fixed shaft coupling hole

114: bracket 114a: long hole

115: Fastener 115b: Nut

120: coupling member

121: body 121a: loader coupling hole

122: latching hole 122a: insertion groove

123: fixed shaft insertion hole 123a: bearing

130,131: connecting frame

140: hydraulic cylinder 141: fixed shaft

142: safety pin 143: spacer

143a: fastener

A: Work tools (bucket, bale tongs, forks) B: End connections

C: loader D: tractor

The present invention relates to a hydraulic coupling device for a tractor work machine, and more particularly, to improve work efficiency by allowing a work machine such as a bucket and a bale tong to be attached and detached to the loader's loader more quickly and conveniently using a hydraulic cylinder. Rather, the present invention relates to a hydraulic coupling device for a tractor work machine to increase the range of application by enabling efficient application regardless of the size and shape of the work machine.

In general, the front of the tractor (D) is provided with a loader (C) for the front and rear, up and down movement through the joint movement, the various ends and the shape of the loader (C) depending on the purpose and use of the farmhouse. Various kinds of work machines A are selectively installed and used.

However, the loader (C) and the work machine (A) are different from each other according to the manufacturer and the fastening method is not compatible (互換), so it is impossible to buy the loader and work machine of the same manufacturer unnecessarily in order to efficiently utilize them in the farm Inevitably, there is an inefficient problem that the loader (C) and the work machine (A) must be used through separate modifications.

In particular, since the cost required for the purchase cost and the renovation work of the loader (C) and the working machine (A) is transferred to the farmhouse as it is, the economic burden is doubled, thereby resulting in the closing.

Therefore, in the related art, as well as to solve the above problems as well as to efficiently attach and detach the loader (C) and the work machine (A),

A front loader for tractor 2 section frame, a work coupler and a work machine mounted to the section 2 frame, a bottom support rod for connecting the left and right section 2 frames, and a support plate extending the inner plate of the section 2 frame; An upper hanger attached to the support plate, a support plate attached to the inside of the support plate and having an assembly pin guide tube, an assembly pin inserted into the hole of the support plate, an opening / closing device of the assembly pin, and a work machine side hanger adapted to the hanger, A loader-side coupler device comprising a two-way stable switchgear having a guide tube and a locker provided on the assembly pin as an opening-and-closing device of the working plate corresponding to the assembly pin of the support plate. Was registered as Korean Utility Model Registration No. 0312761.

That is, in the conventional "loader coupler device", the assembly pin is inserted into the guide tube while the worker and the loader are connected to the inside of the guide tube while the worker moves the left and right about the hinge axis by operating the handle. Has a structure.

However, the "loader coupler device" has a disadvantage in that the work efficiency is deteriorated due to the inconvenience of the connection work because the operator must manually connect the work machine and the loader by manually operating the handle in order to attach and detach the work machine and the loader.

In addition, the conventional "loader coupler device" has to be manually operated by the handle, the operator enters between the narrow space of the loader and the work machine, at this time the fall of the binding force with the loader due to the load of the work machine to fall down the operator's personality There is a problem that threatens.

In particular, the conventional "loader coupler device", regardless of the rain or snow weather changes, the operator must reduce it and proceed with the attachment and detachment of the work machine and the loader through manual operation, resulting in inconvenience and inconvenience in use There is a limit that the use efficiency and range of use can be extremely limited.

Moreover, in recent years, due to the aging of the rural area, there is an urgent need for a method for connecting workers and loaders more conveniently, but the conventional "loader coupler device" has a structure that can be operated only manually, and thus The situation is gradually turning away because it does not meet the requirements of.

Therefore, the present invention was devised to solve the above-mentioned conventional problems, and the present invention excludes the mechanical structure that enables the conventional worker to detach the work machine and the loader manually, and the worker simply and conveniently inside the tractor. By operating the hydraulic cylinder to detach the work machine and the loader to provide a hydraulic coupling device for a tractor work machine that can improve the use efficiency and operation reliability.

In addition, the present invention is to provide a hydraulic coupling device for a tractor work machine to increase the range and convenience of use because it can be applied by selectively adjusting the installation interval and position regardless of the size and shape of the work machine and loader. .

When described in detail by the accompanying drawings, the configuration of the subject innovation as described above are as follows.

1 is an exploded perspective view for showing the structure of the hydraulic coupling device for the tractor design of the present invention, Figure 2 is a perspective view for showing the structure of the hydraulic coupling device for the tractor design of the present invention, Figure 3 is a hydraulic type for the tractor working device of the present invention 4 is a perspective view of the connecting device viewed from the rear, FIG. 4 is a sectional view taken along the line AA of FIG. 2, and FIG. 5 is a sectional view taken along the line BB of FIG. 2.

The hydraulic coupling device 100 for the tractor work device of the present invention is formed between the working machine (A) and the loader (C) in the known hydraulic coupling device for a tractor work machine, which enables detachment,

One front side is formed with a plurality of working machine coupling holes 111 for coupling with a pair of connector (B) formed on one side of the working machine (A), the upper one side is provided with a locking groove 112 and the lower one side fixed shaft A pair of connecting members 110 forming a coupling hole 113, and a fixed shaft insertion hole 123 in the lower portion of the coupling hole 113 in the rear so as to be spaced apart at regular intervals in the vertical direction in order to engage with the front end of the loader (C) Form a body 121 having a plurality of loader coupling holes (121a) is formed in the upper portion of the body 121 of the pair of engaging holes 122 is formed so that the locking groove 112 is fitted from the top to the lower direction Coupling member 120, the connecting frame 130 is formed in the horizontal direction between the coupling member 120 to secure the support force, the fixed shaft insertion hole 123 and the fixed shaft coupling hole 113 A fixed shaft 141 inserted and separated to penetrate the inside, and the fixed shaft 141 It is formed between comprises a hydraulic cylinder 140 for operating the fixed shaft 141 to the inside or outside.

The connecting member 110 is coupled to a pair of connectors (B) formed on one side of the working machine (A) to be configured to more efficiently perform the attachment and detachment work with the loader (C), that is, the manufacturer of the working machine (A) And it is a configuration for increasing the use efficiency by selectively adjusting the installation interval according to the standard.

At this time, the connection pins are formed on the upper and lower portions of the connector (B), respectively, so that they can be combined with the work machine coupling hole 111.

In particular, the locking groove 112 has a shape that is cut from the upper direction to the lower direction, which can be inserted into the locking hole 122 to support and support the physical load of the working machine (A) as well as severe cases There is a work machine (A) is to prevent the safety accident to fall to the ground in advance.

On the other hand, the connecting member 110 is an embodiment for efficient connection with the working machine (A) as shown in Figure 6 in front of the plurality of coupling holes (110a) formed to be spaced apart at regular intervals in the vertical direction, the coupling hole Drilling through the long hole (114a) to be coupled through the 110 and the fastener (115), but may further form a bracket 114 is provided with a working machine coupling hole 111 for engaging with the working machine (A) in the front. have.

Therefore, if the specifications and installation intervals are different for each manufacturer of the work machine (A) after adjusting the bracket 114 in the upper and lower direction using the fastener 115 and the nut (115a) coupling hole (110a) By firmly fixing the work machine A having various specifications can be efficiently applied.

The coupling member 120 is configured to be coupled to the front end of the loader (C) for fast and efficient attachment and detachment work with the connection member 110, in which the latch 122 is the coupling member 120 When lifting from the bottom to the upper direction in the state mounted to the loader (C) is lifted while supporting the engaging groove 112 to secure the fastening force and the support force with the work machine (A).

In particular, the loader coupling hole (121a) is preferably formed to be spaced apart at regular intervals in the vertical direction to the rear of the body 121, which is to adjust the interval that can be selectively coupled in accordance with the specifications of the loader (C) will be.

The fixed shaft insertion hole 123 is formed on the same line to pass through the fixed shaft coupling hole 113, the fixed shaft 141 of the fixed shaft insertion hole 123 and the fixed shaft coupling hole 113 By inserting and detaching therein, the work machine A and the loader C can be attached and detached.

In this case, a known sliding bearing 123a may be formed inside the fixed shaft insertion hole 123 to prevent friction and abrasion due to the left and right movement of the fixed shaft 141. In Bush, Bush, a type of sliding bearing, was used in consideration of installation space and workability.

On the other hand, the connecting frame 130 supports and connects a pair of coupling members 120, as well as to adjust the installation interval of the coupling member 120 according to the change in the specification of the working machine (A) or loader (C). It is for the configuration.

That is, the connection frame 130 is divided into two parts based on the center of the connection frame 130 of the other side is inserted into the connection frame 131 is formed to be moved in the left and right directions (sliding), the coupling The installation interval of the member 120 can be adjusted.

In this case, another function of the connection frame 130 is the fixed shaft coupling hole 113 and the fixed shaft insertion hole 123 in the detachable process of the connection member 110 and the coupling member 120 as shown in FIG. When the centers of the coincide with each other, the connection member 110 serves to stop the further advance.

Therefore, the connection member 110 is brought into contact with the connection frame 130 in the process of attaching and detaching the connection member 110 and the coupling member 120 so that the work machine A and the loader C can be connected accurately and quickly. Will be.

The hydraulic cylinder 140 is configured to firmly fix the work machine (A) and the loader (C) by operating the fixed shaft (141) inward or outward, wherein the hydraulic cylinder 140 and the fixed shaft (141) The safety pin 142 may be coupled between the safety pins 142, which is the safety cylinder 141 is stopped in the operating state due to the foreign matter in the operating process when the hydraulic cylinder 140 continues to operate the safety pins 142 first. By inducing breakage (cutting), this prevents the hydraulic cylinder 140 and the fixed shaft 141 from being separated from each other, thereby preventing bending or damage due to overload in advance.

Meanwhile, as shown in FIG. 7, a gap adjusting opening 143 may be further formed between the hydraulic cylinder 140 and the fixed shaft 141, which changes a standard of the work machine A and the loader C. In accordance with the configuration for adjusting the stroke (stroke) of the hydraulic cylinder 140.

To this end, the spacing regulator 143 is connected to the rod of the hydraulic cylinder 140 on one side and the fixed shaft 141 is formed on the other side, wherein the spacing regulator 143 and the hydraulic cylinder 140 Coupling was formed so that the operator can easily adjust the fastening force by using the fastener (143a).

Therefore, it is possible to apply by adjusting the distance between the hydraulic cylinder 140 and the spacing adjuster 143 according to the change in the standard of the working machine (A) and the loader (C).

As such, the hydraulic cylinder 140 may not only firmly fix the connection member 110 and the coupling member 120 by operating the fixed shaft 141 inward or outward, and in particular, the operator may operate the tractor D. Sitting in the driver's seat of the work machine (A) and the loader can be easily removable operation of the loader (C) has the effect of ensuring convenience and safety in use.

In addition, another embodiment of the hydraulic connection device 100 for a tractor work device of the present invention for increasing the working efficiency and coupling force of the connecting member 110 and the coupling member 120 is as follows.

Figure 8 is an exploded perspective view for showing another embodiment of the hydraulic coupling device for the tractor design of the present invention, Figure 9 is a perspective view for showing another embodiment of the hydraulic coupling device for the tractor design of the present invention, Figure 10 is Figure 9 CC line cross section of the figure is shown.

The hydraulic coupling device 100 for the tractor work device of the present invention is formed between the working machine (A) and the loader (C) in the known hydraulic coupling device for a tractor work machine, which enables detachment,

On the front side, a plurality of work machine coupling holes 111 are formed to couple with a pair of connector B formed on one side of the work machine A, and the upper one side includes a locking shaft 112a protruding to both sides, but On one side, a pair of connecting members 110 having a fixed shaft coupling hole 113 and a lower portion of the fixed shaft insertion hole 123 are drilled in the rear and in the vertical direction to be coupled to the front end of the loader C. A body 121 having a plurality of loader coupling holes 121a is formed to be spaced apart by a predetermined interval, but an insertion groove 122a is formed in the upper portion of the body 121 so that the locking shaft 112a is inserted in the lower direction from the top. And a pair of coupling members 120 formed in the horizontal direction between the coupling member 120 and a connection frame 130 for securing a supporting force, and fixed with the fixed shaft insertion hole 123. Inserted and separated to penetrate the inside of the shaft coupling hole 113 Is formed between the jeongchuk 141 and the fixed shaft (141) comprises a hydraulic cylinder 140 for moving the fixed shaft 141 to the inside or outside.

The locking shaft 112a is formed to protrude in both directions to be inserted into the insertion groove 122a, thereby securing durability and supporting force due to external impact and load in the process of connecting the work machine A and the loader C. Done.

At this time, the insertion groove (122a) has a form that is cut in the upper direction from the bottom to support the locking shaft (112a).

As described above, another embodiment of the hydraulic coupling device 100 for a tractor work implement according to the present invention has a structure for selectively applying the coupling structure of the engaging shaft 112a and the insertion groove 122a according to the working environment and the application range. .

If described in detail by the accompanying drawings the operation of the hydraulic coupling device 100 for a tractor work device of the present invention having the configuration as described above are as follows.

11 to 14 is a flowchart showing a step-by-step state for fastening the work machine by using a hydraulic coupling device for the tractor work device of the present invention.

First, as shown in FIG. 11, the connection member 110 and the coupling member 120 are preceded by the coupling of the connector B of the work machine A and the tip of the loader C, respectively.

Next, as shown in FIG. 12 or 13, after inserting the locking holes 122 into the locking grooves 112, when the loader C is brought into close contact with the front, the fixed shaft coupling hole 113 is formed. The centers of the fixed shaft insertion holes 123 are coincident with each other.

At this time, the connection member 110 is in contact with the connection frame 130, as shown in Figure 14 so that it maintains the center position of the fixed shaft coupling hole 113 and the fixed shaft insertion hole 123 accurately.

Finally, as shown in FIG. 15, the fixed shaft 141 is operated by the operation of the hydraulic cylinder 140 while maintaining the center positions of the fixed shaft coupling hole 113 and the fixed shaft insertion hole 123. Since the fixed shaft coupling hole 113 and the fixed shaft insertion hole 123 are inserted to penetrate the work machine A and the loader C, a solid coupling is achieved.

On the other hand, when disconnecting the work machine (A) and the loader (C) by proceeding in reverse to the work order as described above it is possible to perform the separation work quickly and efficiently.

In addition, the present invention is to control the work machine (A) having a variety of standards and shapes as shown in Figure 16 or 17 inside the cab can be attached and detached to improve the work efficiency and operator convenience Will have.

Although the embodiments of the present invention have been described in detail as described above, the scope of the present invention is not limited thereto, and it is natural that the scope of the present invention is included to those which are substantially equivalent to the embodiments of the present invention. something to do.

As such, the present invention can conveniently operate the attachment and detachment of the work machine and the loader, which depended only on the manual work, inside the tractor, thereby eliminating the inconvenience and inconvenience of the worker, as well as shortening the detaching time of the work machine and the loader. It has the advantage of increasing the efficiency.

In addition, the present invention has the advantage that can be prevented in advance the safety accident that occurred when the operator proceeds to attach and detach the work machine and loader manually.

In particular, the present invention can be easily applied according to the connection location and installation intervals of work machines and loaders having different specifications by manufacturers, so as to increase the utilization range of the connection device for tractor work tools, It is a very useful design that can generate the economic benefits of farms because it can reduce the cost of retrofitting.

Claims (5)

In the well-known hydraulic coupling device for a tractor work machine formed between the work machine and the loader to enable detachment, A pair of connecting members having a plurality of working machine coupling holes for coupling with a pair of connector formed at one side of the working machine, having a locking groove at the upper side and a fixed shaft coupling hole at the lower one side; In the lower part, a fixed shaft insertion hole is drilled and a rear body is formed to form a plurality of loader coupling holes spaced apart at regular intervals in the vertical direction in order to be coupled with the front end of the loader. A pair of coupling members having a locking mechanism to be fitted in a direction, a connection frame formed horizontally between the coupling members to secure a supporting force, and inserted to penetrate the fixed shaft insertion hole and the fixed shaft coupling hole; And a fixed shaft which is separated from each other, and a hydraulic pressure formed between the fixed shafts to operate the fixed shafts inward or outward. Tractor work appointed hydraulic connection device, characterized by doeeojim composed cylinder. In the well-known hydraulic coupling device for a tractor work machine formed between the work machine and the loader to enable detachment, The front side forms a plurality of work machine coupling holes for coupling with a pair of connector formed on one side of the work machine, the upper one side has a locking shaft protruding to both sides, but the lower one side of the pair of fixed shaft coupling holes formed And a connection member and a body having a plurality of loader coupling holes spaced apart at regular intervals in the vertical direction so as to drill a fixed shaft insertion hole in the lower portion and a rear end of the loader. A pair of coupling members having an insertion groove formed therein so as to be inserted from the upper side to the lower direction, a connecting frame formed horizontally between the coupling members to secure a supporting force, and the fixed shaft insertion hole and the fixed shaft coupling hole. A fixed shaft inserted and separated to penetrate the inside of the fixed shaft, the fixed shaft being formed between the fixed shaft and the inner or outer Hydraulic linkages for tractor implements, characterized in that consisting of a hydraulic cylinder for operation. According to claim 1 or 2, The connecting member is formed in the coupling hole so as to be spaced apart at regular intervals in the vertical direction to the front side on one side to form a long hole so as to penetrate the coupling hole using the fastener and nut and the working machine in front Hydraulic coupling device for a tractor work machine, characterized in that the coupling hole is configured to further form a bracket. According to claim 1 or claim 2, The connecting frame is divided into two sides on the basis of the center is formed so that one side of the connection frame is formed to be inserted into the inside of the other side connection frame is configured to be moved in the left and right direction Hydraulic couplings for tractor implements. The hydraulic coupling device for a tractor work machine according to claim 1 or 2, wherein a gap adjusting mechanism is further formed between the hydraulic cylinder and the fixed shaft to adjust the stroke distance of the hydraulic cylinder.

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