KR20100097314A - Bucket for excavator - Google Patents

Bucket for excavator Download PDF

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Publication number
KR20100097314A
KR20100097314A KR1020090016195A KR20090016195A KR20100097314A KR 20100097314 A KR20100097314 A KR 20100097314A KR 1020090016195 A KR1020090016195 A KR 1020090016195A KR 20090016195 A KR20090016195 A KR 20090016195A KR 20100097314 A KR20100097314 A KR 20100097314A
Authority
KR
South Korea
Prior art keywords
socket
eccentric
fixing
blade
tooth
Prior art date
Application number
KR1020090016195A
Other languages
Korean (ko)
Inventor
강승호
Original Assignee
강승호
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 강승호 filed Critical 강승호
Priority to KR1020090016195A priority Critical patent/KR20100097314A/en
Publication of KR20100097314A publication Critical patent/KR20100097314A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/412—Excavators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

PURPOSE: A bucket for an excavator is provided to enable a planarization work of the ground without a manual work and to reduce costs because an additional planarization work is not required. CONSTITUTION: A bucket(100) for an excavator comprises tooth adapters(130), a blade(110), and a fixing unit(120). The tooth adapter comprises a socket, socket fixing units, and a holder. The socket has an inner space for accepting a tooth. The socket fixing units are protruded from both sides of the socket. The blade comprises a screw hole and a pin fixing unit. The fixing unit supports the socket to be horizontally moved.

Description

Bucket for Excavator {Bucket for Excavator}

The present invention relates to a flat work panel for an excavator, which is detachably attached to the tooth of the excavator so that the flat work panel detachably attached to the tooth of the excavator so as to evenly flatten the ground in the working paper, the operation of flattening the ground evenly. It relates to an easy bucket for excavators.

In general, an excavator, which is a kind of construction machine, is a construction machine used for mining soil or rock. The front part of the vehicle body has an arm, and an end of the arm is provided with a bucket for mining soil or rock.

In particular, the excavator is designed to perform a variety of operations, such as housing site construction projects, road and sewer construction, river renovation and order construction, tunnel and subway construction, earthwork extraction work, forest clearing work, earth and sand loading work, such as Various tasks can be performed by replacing the bucket, etc., which is coupled to the tip of the arm, with one suitable for the purpose.

 That is, conventionally divided into a bucket for the excavation work for the excavation work, and a bucket for the stop work for the stop work to perform a variety of work by replacing the entire bucket at the tip of the arm as needed.

Here, the excavation bucket according to the prior art is provided with a plurality of excavation tooth for the excavation work at regular intervals. The excavation tooth is a consumable for excavating the excavation surface while directly contacting the excavation surface by being coupled to a tooth adapter fixedly coupled to the bucket by bolting or welding, and the excavation tooth is a locking pin and locking in the state of being fitted to the tooth adapter. It is assembled through fastening means such as washers.

On the other hand, the stationary work bucket has a stationary work blade having a predetermined width at the tip of the bucket is integrally installed to perform a stop work to flatten the ground by using the stationary work blade.

However, in the conventional bucket for stopping work, the blade is coupled by welding rather than prefabricated, the height of the screw is fastened when the blade is fixed to the tooth adapter and the height of the outer surface of the tooth adapter is unbalanced, the screw protrudes upwards Assembled in the form. Therefore, the conventional stopping work bucket has a problem in that the groove is formed on the ground during the stop work, the operator has to flatten the ground by hand manually.

The present invention has been made in order to solve the above-mentioned conventional problems, the object of the present invention is to provide a stop blade and tooth adapter for the prefabrication of the ground without stopping the manual operation of the operator during the stop operation (stop operation) An object of the present invention is to provide an bucket for an excavator that can be made.

It is another object of the present invention to provide an eccentric screw having a square and circular screw structure and an excavator bucket assembled using the eccentric screw in order to strengthen the coupling force between the assembly configurations and prevent loosening.

Still another object of the present invention is to provide an excavator bucket that can be moved from side to side along a blade so that the socket can be universally used because the position of the socket can be adjusted according to different tooth spacings for various excavators.

The present invention constitutes the following examples in order to achieve the above object.

In the first embodiment according to the present invention, the bucket for the excavator of the present invention, the engaging jaw is formed so as to be guided from the lower surface having an inner space corresponding to the external shape of the tooth so that the tooth of the excavator is inserted is moved in the left and right directions A tooth adapter including a socket, a socket fixing piece protruding in both directions of the socket, and a holder having a horizontal surface formed on an upper surface of the socket fixing piece in a 'b' shape; At least one screw hole formed with a plane and spaced apart from each other at a predetermined interval, and a blade including a pin fixing means protruding from an upper surface to form a through hole in a lateral direction; Since one end is seated on the locking jaw, the socket is supported to move in the left and right direction, the pin fixing means of the blade protrudes from both sides of the through hole protruding, and the through hole coincides with the through hole of the pin fixing means. It characterized in that it comprises a fixing part including a fixing bracket protruding at a predetermined interval on the upper surface of the fixing part.

The second embodiment of the present invention, in the first embodiment, the tooth adapter further extends in one direction from the bottom of the socket to form a jaw, and further includes a coupling jaw to which the end of the fixing part is seated.

In a third embodiment of the present invention, in the second embodiment, the excavator bucket is formed with an eccentric structure having one surface having a cross section and the other surface having a curved surface, and extending to the top of the quadrangle and the quadrangle. Eccentric screw rod having a dual structure having; And an eccentric connector formed in an inner surface structure corresponding to the outer shape of the eccentric screw rod and fastened to the eccentric screw passing through the blade and the fixing part to fix the blade and the fixing part.

As described above, the excavator bucket according to the present invention is provided in a prefabricated manner, and the height between the tooth adapter and the blade is in harmony, so that the part contacting the ground during the stopping operation of the ground is only in contact with the outer surface of the tooth adapter. There is no need for a separate flattening operation, so the operation is very easy and costs are reduced.

In addition, the present invention uses a combination screw consisting of a complex square and circular as an eccentric structure to fasten the blade and the tooth adapter, so that the loosening is prevented, there is a very easy effect of detaching or assembling the blade during operation.

In addition, the present invention can be universally adopted to different types of excavators as the socket is movable left and right along the end of the fixing part, the inconvenience and economical to prepare different blades for each excavator type for operators or operators There is an effect that can prevent the loss of phosphorus.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of an excavator bucket according to the present invention will be described in detail.

1 is an exploded perspective view of an excavator bucket according to the invention, Figure 2 is an exploded perspective view of an excavator bucket according to the invention, Figure 3 is an exploded perspective view of the back of the bucket for an excavator according to the invention.

1 and 2, an excavator bucket according to the present invention is a blade 111 in contact with the ground during the stop operation of the ground, a tooth adapter 130 to which the tooth of the excavator is fastened, and the tooth adapter ( 130 and the fixing portion 120 for fixing the blade 111, and the eccentric screw of the eccentric structure to be coupled to the coupling so as to pass through the fixing portion 120 and the tooth adapter 130 and the blades (110, 111) 140.

The blades 110 and 111 are formed as a rectangular flat panel and are spaced apart from each other at regular intervals, and have a rectangular screw hole 112 having an inner surface through which the eccentric screw 140 penetrates, and the blade 111. Protruding from the upper surface of the through hole is formed in the lateral direction includes a pin fixing means 113 is inserted into the fixing pin (not shown).

The square screw hole 112 is formed as an eccentric structure so as to match the eccentric structure of the eccentric screw 140, at least one is formed through the blade 111 with a predetermined interval to each other.

The pin fixing means 113 protrudes from an upper surface of the blade 111, protrudes through a through hole 1221 formed between the bracket 122 of the fixing part 120 to be described later, and the bracket 122 Since the fixing pin is inserted through) to fasten the blade 111 to the fixing part 120.

The fixing part 120 is coupled to the tooth adapter 130 at the top of the blade 111 and is coupled to the upper side of the blade 111. To this end, the fixing part 120 protrudes from both sides of the through hole through which the pin fixing means 113 of the blade 111 protrudes, thereby forming a through hole matching the through hole of the pin fixing means 121. And a circular screw hole 123 formed to match the eccentric structure of the eccentric screw 140.

The tooth adapter 130 is a socket 131 having an inner space that matches the outer shape of the tooth so that the tooth of the excavator is inserted, a socket fixing piece 132 protruding in both directions of the socket 131, Since the upper part of the socket fixing piece 132 is fastened by the eccentric screw 140, the holder 133 for fixing the socket 131 and the fixing part 120 and in one direction from the bottom of the socket 131 It extends to form a jaw includes a coupling jaw 134 is the end of the fixing portion 120 is seated.

The socket 131 has an inclined surface 1311 formed to have an empty space into which the tooth is inserted and inclined from an outer surface thereof. Here, the inclined surface 1311 is a portion in contact with the ground while the tooth is rotated during the stop operation using an excavator.

The socket fixing piece 132 protrudes from both side surfaces of the socket 131 and is formed with a screw hole (not shown) to which a screw penetrates the holder 133. The coupling structure of the socket fixing piece 132 and the holder 133 will be described later.

The holder 133 is formed of a 'b' shape and the screw hole corresponding to the screw hole of the eccentric eccentric screw hole 1332 and the socket fixing piece 132 of the eccentric screw 140 is inserted from the inside ( 1331). Here, the holder 133 is a 'b' shaped horizontal plane is located on the upper portion of the socket fixing piece 132, the eccentric screw hole 1332 is formed inside the vertically formed portion.

The coupling jaw 134 is formed in a 'b' shape at the bottom of the socket 131 and extends in one direction to form a flat surface, and one side end of the fixing part 120 of the blade 111 is formed on the plane. It is seated. Here, the coupling jaw guides the socket to be movable in the left and right directions along one end of the fixing part because one end of the fixing part is seated. In addition, the latching jaw includes a threaded hole formed in the rear, and the socket fixing screw is inserted into the screw hole (1341) is pressed on the rear of the fixing portion 121 and tightened so that the fixing portion 121 and the socket ( 134). That is, the user may release the socket fixing screw 135 and move the socket 131 according to the tooth spacing in order to adjust the position of the socket 131 according to the spacing of the teeth different for each excavator. Then, the worker fastens the socket fixing screw 135 to the screw hole 1341 to press the fixing part, thereby fixing the socket.

The eccentric screw 140 will be described in detail with reference to FIGS. 4A and 4B. Figure 3a is a side view showing the cutting structure of the eccentric screw in the excavator bucket according to the invention, Figure 3b is a plan view showing the tip of the eccentric screw.

4A and 4B, the eccentric screw 140 is formed to have an eccentric structure in which one surface forms a cross section and the other surface has a curved surface, and in particular, a screw rod forming a thread extends into a quadrangle and an upper portion of the quadrangle. An eccentric screw rod 141 having a dual structure having a curved surface and an eccentric connector 142 for receiving the eccentric screw rod 141.

The eccentric screw rod 141 includes a square thread 1411 extending vertically from a screw head protruding from an end thereof and having a square cross section, and a curved screw thread 1412 extending to an upper side of the square screw thread and forming a curved surface. .

The eccentric connector 142 has a eccentric shape and has an eccentric structure so as to match the shape of the eccentric screw rod 141 from the inside, and has a vertically formed screw accommodating means 1421 and a tip of the screw accommodating means 1421. In the curved screw thread is inserted into the eccentric hole (1423) and the screw hole (1424) corresponding to the screw hole of the socket fixing piece 132 is formed as a horizontally formed connector head (1422).

The present invention includes the configuration as described above, the action and coupling relationship through such a configuration will be described in detail with reference to FIG.

Figure 5 is a side cross-sectional view showing a coupling structure of the bucket for excavators according to the present invention.

Referring to Figure 5, the excavator bucket according to the present invention is a tooth of the excavator is inserted into the tooth of the excavator to the inside of the socket 131, the through-holes are formed through the respective sides of the socket (131) ( A fixing pin (not shown) is coupled to the 1312 to fix the tooth to the socket 131.

One end of the fixing part 120 is seated on the coupling chin 134 of the socket 131. The fixing part 120 is located below the socket 131, and the blade 111 is located below the fixing part 120. It is fastened to the fixing part 120 and the socket 131.

In this case, the blade 111 is protruded to the upper portion of the fixing part 120 through the through hole 1221 is formed between the pin fixing means 113, the bracket 122 of the fixing part 120, Since a pin (not shown) is inserted into the pin fixing means 113 and the bracket 122, it is coupled to the lower portion of the fixing part 120.

In this case, the square screw hole 112 of the blade 111 and the circular screw hole 123 of the fixing part 120 have a mutually matched position, whereby the eccentric screw rod 141 is the blade 111. Is inserted at the bottom of the At this time, the eccentric screw rod 141 is a square screw thread 1411 is a square screw hole 112 of the blade 111, the curved screw thread 1412 is a circular screw hole 123 of the fixing part 120 It is inserted through. The eccentric connector 142 is fastened to the eccentric screw rod 141 after the eccentric screw rod 141 is inserted from the upper side of the fixing part 120.

Preferably, the eccentric screw rod 141 and the eccentric connector 142 may be inserted and fastened through an eccentric hole 1332 formed inside the vertical surface of the holder 133.

In detail, as shown in the drawing, the holder 133 extends horizontally in the vertical plane and the vertical plane in which the eccentric hole 1332 is formed and coincides with the screw hole of the socket fixing piece 132. It has a horizontal plane formed. Therefore, according to the present invention, since the eccentric screw rod 141 protrudes through the vertical surface, the vertical surface of the eccentric connector 142 is positioned above the holder 133 to have a double fixed structure.

That is, the socket fixing piece 132 is positioned below the horizontal plane of the holder 133, and the upper portion of the eccentric connector 142 protrudes and is positioned above the holder 133 so that the holder 133 may be disposed. The horizontal surface and the upper surface of the socket fixing piece 132 is pressed. Therefore, the fixing part 120 and the socket 131 is fixed by the socket fixing piece 132, the fixing part 120 and the blade 111 is fastened by the eccentric screw 140, the eccentric Since the connector 142 protrudes upward through the holder 133 to press the socket fixing piece 132 and the holder 133, the socket 131, the fixing part 120, and the blade 111 are fastened. Let's do it.

Alternatively, according to another embodiment of the present invention, a horizontal plane is positioned on the upper surface of the socket fixing piece 132 on the upper portion of the eccentric connector 142 and the socket fixing piece 132 through a screw hole of the eccentric connector 142. ) Is fastened, and the eccentric screw rod 141 protruding through the eccentric hole 1424 of the eccentric connector 142 is inserted into the eccentric hole 1332 of the holder 133, the socket fixing piece 132 ) And the holder 133 may be positioned above the eccentric connector 142.

That is, in the first embodiment of the present invention, the eccentric screw rod 141 protrudes through the holder 133, but in another embodiment, the eccentric screw rod 141 protrudes from the fixing part 120 to the holder. Before the 133 is fastened, the eccentric connector 142 is fastened, and the holder 133 on the curved thread 1414 of the eccentric screw rod 141 protruding from the eccentric hole 1424 of the eccentric connector 142. Is fastened.

As described above, since the present invention has a double fastening structure by the eccentric screw 140 and the holder 133, there is no problem such as time delay due to loosening during operation, and the socket 131 because it has a prefabricated coupling structure. Since the height of the inclined surface 1311 and the protruding height of the holder 133 and the eccentric screw 140 can be adjusted, the ground may contact only the inclined surface 1311 during the stop operation of the ground to No manual work is required.

1 is a perspective view of an bucket for an excavator according to the present invention,

2 is an exploded perspective view of an bucket for an excavator according to the present invention;

3 is an exploded perspective rear view of an bucket for an excavator according to the present invention;

Figure 4a is a side view showing the structure of the eccentric screw in the bucket for excavators according to the present invention,

Figure 4b is a plan view of the eccentric screw in the bucket for excavators according to the present invention,

Figure 5 is a side cross-sectional view showing a coupling structure of the bucket for excavators according to the present invention.

* Explanation of symbols showing the main parts of the drawings *

100: bucket 110, 111: blade

112: square thread hole 113: pin fixing means

120: fixing part 121: fixing means

122: fixing bracket 123: round screw hole

130: Tooth adapter 131: Socket

132: socket fixing piece 133: holder

134: engaging jaw 140: eccentric screw

141: eccentric screw rod 142: eccentric connector

Claims (3)

A socket having a inner space corresponding to an external shape of the tooth so that the tooth of the excavator is inserted and a locking jaw is formed to be guided from the lower surface, the socket fixed piece protruding in both directions of the socket, and the 'b' A tooth adapter having a holder having a horizontal surface formed on an upper surface of the socket fixing piece and fastened to each other; At least one screw hole formed with a plane and spaced apart from each other at a predetermined interval, and a blade including a pin fixing means protruding from an upper surface to form a through hole in a lateral direction; Since one end is seated on the locking jaw, the socket is supported to move in the left and right direction, the pin fixing means of the blade protrudes from both sides of the through hole protruding, and the through hole coincides with the through hole of the pin fixing means. An excavator bucket comprising a fixing part including a fixing bracket protruding at a predetermined interval on the upper surface of the fixing part. The method of claim 1, wherein the tooth adapter Excavator bucket, characterized in that it further comprises a coupling jaw which is extended in one direction from the lower portion of the socket to form a jaw, the end of the fixing portion is seated. According to claim 2, wherein the excavator bucket An eccentric screw rod having one surface forming a cross section and the other surface having an eccentric structure having a curved surface, and having a quadrangular structure and a double structure having a curved surface extending to an upper portion of the square; And an eccentric connector formed in an inner surface structure corresponding to the outer shape of the eccentric screw rod and fastened to the eccentric screw passing through the blade and the fixing part to fix the blade and the fixing part.
KR1020090016195A 2009-02-26 2009-02-26 Bucket for excavator KR20100097314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090016195A KR20100097314A (en) 2009-02-26 2009-02-26 Bucket for excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090016195A KR20100097314A (en) 2009-02-26 2009-02-26 Bucket for excavator

Publications (1)

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KR20100097314A true KR20100097314A (en) 2010-09-03

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Application Number Title Priority Date Filing Date
KR1020090016195A KR20100097314A (en) 2009-02-26 2009-02-26 Bucket for excavator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106795708A (en) * 2014-04-28 2017-05-31 成矿研究科技有限公司 Tooth and the connector for the tooth to be attached to Work machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106795708A (en) * 2014-04-28 2017-05-31 成矿研究科技有限公司 Tooth and the connector for the tooth to be attached to Work machine

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