KR200409803Y1 - Tooth of bucket for excavator - Google Patents

Abstract

According to a feature of the present invention, the insert portion exposed to the outside of the bucket is continuously integrally formed to protrude from the front end portion of the mounting portion having the rear and both opening coupling grooves fixed to the front end portion of the bucket for excavator by bolts or welding, etc. A conventional excavator comprising a tooth adapter and a tooth point formed in succession with a flat plate portion for smoothing the ground at a distal end of a coupling housing portion having a rear opening insert groove into which the insert portion of the tooth adapter is detachably inserted and coupled. In the flat toothing of the bucket, the mounting portion and the insert portion of the tooth adapter are 15 ° to 30 ° eccentric deflection of the central axis is formed integrally connected, and the coupling housing and the flat plate portion of the tooth point is the central axis It is formed so as to be integrally connected to each other, and the insert portion of the tooth adapter The coupling housings of the tooth points are fixed to each other so that the central axes are coincident with each other, and the inserting parts of the tooth adapters corresponding to the matching center axes and the coupling housings of the tooth points are formed to horizontally penetrate each other. And, the matching assembly pin hole is provided with a flat tooth of the excavator bucket, characterized in that the mounting pin is detachably fixed.

Description

Smoothing tooth of excavator bucket {TOOTH OF BUCKET FOR EXCAVATOR}

1 is a perspective view showing a conventional bucket for a conventional excavator.

Figure 2 is an exploded perspective view showing the flat tooth of the excavator bucket according to an embodiment of the present invention.

Figure 3 is an exploded side view showing the flat tooth of the bucket for excavators of the present invention.

Figure 4 is a side view showing the assembled flat toothing of the excavator bucket of the present invention.

Figure 5a and Figure 5b is a side cross-sectional view showing a comparison state of use of the conventional bucket and the bucket for excavator equipped with the original flat tooth.

<Explanation of symbols for the main parts of the drawings>

10 bucket 20 conventional smooth tooth

100: smoothing tooth of the bucket for excavator

110: tooth adapter 111: mounting portion

112: coupling groove 113: insert portion

113a: assembly pin ball 120: tooth point

121: coupling housing 121a: assembly pin hole

122: insert groove 123: flat plate portion

130: mounting pin

The present invention relates to a smoothing tooth of an excavator bucket, and more particularly, to an excavator bucket configured to improve the efficiency of a smoothing operation using an excavator by securing a wider turning radius of the smoothing tooth according to the rotation of the excavator bucket. It's about smoothing tooth.

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

The arm is pivotally installed via a link member and a hydraulic actuator, and a bucket for temporarily holding soil or rock by mining soil or rocks is pivotally connected to the tip of the arm, and a plurality of teeth are installed at the tip of the bucket. As shown in FIG. 1, the tooth includes a tooth adapter 21 fixedly coupled to an end of the bucket 10 and a tooth point 22 detachably supported by the tooth adapter 21.

Excavator such as using the bucket 10 of the tip of the arm and the tooth 20 installed at the end of the bucket 10, such as digging, burying the drainage, pipe burying, building foundation floor digging, earth and sand loading, etc. After the above work is finished to make the work place to flatten the work place to the original shape, and during the flattening work, instead of the conventional tooth point 22, the auxiliary to drag or push the soil to select the flat The plate 30 is mounted on the tooth adapter 21 so that a smoothing operation is performed.

In the conventional auxiliary plate 30 configuration, as shown in FIG. 1, a plate 31 having the same length as the width of the bucket 10 is disposed in parallel in the width direction of the bucket 10, and the bucket 10. The connecting cap 32 is integrally joined by welding on the plate 31 corresponding to the number and position of the tooth adapter 21 fixedly coupled to the end of the coupling unit, and the tooth adapter is formed inside the connecting cap 32. The fitting hole 32a to which the 21 is inserted and fixed is formed and comprised.

In the planing operation using the bucket 10 provided with the conventional auxiliary plate 30, first, each tooth point 22 coupled to the tooth adapter 21 by the pin 40 is removed, and then the tooth is removed. The auxiliary plate 30 is mounted on the tooth adapter 21 of the bucket 10 by inserting the connecting cap 32 of the auxiliary plate 30 into the adapter 21, thereby the tooth adapter 21 of the bucket 10. By using the auxiliary plate 30 mounted on the it will be able to do the smoothing operation.

However, in the conventional auxiliary plate 30, the length of the plate 31 is almost the same as the width of the bucket 10, the connection cap 32 is fixedly coupled to the plate 31 by welding as well When the size of the bucket 10 is different, that is, when the size of the bucket 10 is changed because it is provided to match the number of tooth adapters 21 of the bucket 10, that is, the replaced bucket 10 Since the auxiliary plate 30 that fits the size and width of the need to be produced separately each time the size of the bucket 10 changes the secondary plate 30, the process is cumbersome and inconvenient, as well as a number of secondary plates (30) There was a problem such as wasted costs due to the production of).

On the other hand, in order to solve the above problems in the prior art has proposed a flat toothing point of the bucket for excavators in Korea Utility Model Registration No. 362690.

However, in the conventional flat tooth point, the width control of the smoothing operation is effectively performed according to the rotation of the bucket, but a disadvantage has been found to have a limitation in the front and rear ranges of the flattening operation, and a supplement thereof has been required.

The present invention has been proposed in view of the problems as described above, the purpose of the excavator configured to improve the efficiency of the smoothing operation using the excavator by securing a wider turning radius of the flat tooth according to the rotation of the excavator bucket To provide smoothing of the bucket.

According to a feature of the present invention for achieving the above object, exposed to the outside of the bucket to the front end of the mounting portion having a rear and both opening coupling grooves that are fixedly coupled to the tip of the excavator bucket by bolts or welding, etc. Tooth adapter formed by continuously inserting the protruding part integrally, and the flat plate portion for continuously flattening the ground at the distal end of the coupling housing having a rear opening insert groove which is inserted into the insert portion of the tooth adapter detachably inserted In the flat tooth of a conventional excavator bucket made of a tooth point, the mounting portion and the insert portion of the tooth adapter is formed to be continuously connected integrally with the central axis of 15 ° to 30 ° eccentric refraction, and the coupling housing of the tooth point and The flat plate portion is formed so that its central axis coincides with one another. The insert housing of the tooth adapter and the tooth housing are coupled to each other so that the central axis is fixed to each other so as to be separated from each other, and the assembly of the insert housing and the tooth point of the tooth adapter on the corresponding central axis is matched to each other. Pin holes are formed to penetrate horizontally, respectively, and the matching assembly pin hole is provided with a flat tooth of the excavator bucket, characterized in that the mounting pin is detachably fixed.

Hereinafter, with reference to the accompanying drawings, the smoothing tooth of the bucket for an excavator according to the present invention will be described.

Figure 2 is a perspective view showing an exploded perspective view of the excavator bucket in accordance with an embodiment of the present invention, Figure 3 is a side view showing the exploded flatness of the excavator bucket of the present invention, Figure 4 is an excavator for the present invention Side view showing the assembled flat tooth of the bucket.

The planing tooth 100 of the excavator bucket according to the present invention as shown is a mounting portion having a rear and both opening coupling grooves 112 fixedly coupled to the tip of the excavator bucket 10 by bolts or welding therein. Tooth adapter 110 and the insert portion 113 of the tooth adapter 110 and the insert portion 113, which is integrally protruding from the bucket part 110 exposed to the outside of the bucket 10 at the distal end of the bucket 10, can be separated. Conventional excavator consisting of a tooth point 120 formed in succession integrally projecting the flat plate portion 123 to planarly ground the front end portion of the coupling housing portion 121 having a rear opening insert groove 122 is inserted and coupled In the flat tooth 100 of the bucket for

The mounting portion 111 and the insert portion 113 of the tooth adapter 110 are formed so that their central axes (a) and (b) are 15 ° to 30 ° eccentric refractions to be integrally connected to each other. Coupling housing 121 and the flat plate 123 is formed so that the central axis (c) (d) coincide with each other integrally formed, the insert portion 113 and the tooth point 120 of the tooth adapter 110. Coupling housing 121 of the) is the central axis (b) (c) is matched to be fixed so as to be separated from each other, the insert portion 113 of the tooth adapter 110 on the matching central axis (b) (c). ) And the mating pin holes 113a and 121a which are coincident with each other in the coupling housing 121 of the tooth point 120 are horizontally formed, and the mounting pins are provided in the mating pin holes 113a and 121a which correspond to each other. 130 is detachably fixedly coupled.

A plurality of triangular inclined surfaces are formed on an upper surface of the coupling housing 121 of the tooth point 120 positioned inside the bucket 10, and both sides of the flat plate 123 of the tooth point 120 are mutually formed. The assembling holes and the assembling protrusions are formed

The inner surface of the coupling groove 112 formed in the mounting portion 111 of the tooth adapter 110 is formed with a buffer groove for buffering the shock from the outside or a buffer damper is embedded, the tooth adapter ( The insert portion 113 of the 110 and the insert groove 122 of the tooth point 120 are easy to assemble and correspond to each other, but the isosceles of the cross-section so that the concentrated load applied from the outside can be quickly converted into a distributed load and cushioned. It is preferably formed in a triangular shape.

Since the planing tooth 100 of the bucket for an excavator according to the present invention is mounted on the bucket 10, as shown in FIG. 5, the angle protruding to the outside of the bucket 10 is wider than that of the conventional planar tooth 20. As such, it is possible to secure the working range of the bucket 10 which is wider than the working range of the bucket 10 on which the conventional flat tooth 20 is mounted.

As described above, the flattening tooth of the bucket for excavators according to the present invention has a wider angle of projecting outside of the bucket than the conventional flattening tooth when the bucket is mounted on the bucket. There is an effect that can improve the efficiency for the smoothing operation.

Claims (1)

Insert portion exposed to the outside of the bucket 10 to the front end of the mounting portion 111 having the rear and both opening coupling grooves 112 fixedly coupled to the tip of the excavator bucket 10 by bolts or welding, etc. A coupling housing having a rear adapter insert 122 having a tooth adapter 110 integrally protruding from the body and a rear opening insert groove 122 in which the insert portion 113 of the tooth adapter 110 is detachably inserted and coupled thereto. In the flat tooth 100 of an ordinary excavator bucket, which consists of a tooth point 120 which is integrally formed to protrude successively into the flat plate 123 for smoothing the ground at the tip of the part 121, The mounting portion 111 and the insert portion 113 of the tooth adapter 110 are formed so that their central axes (a) and (b) are 15 ° to 30 ° eccentric refractions to be integrally connected to each other. Coupling housing 121 and the flat plate 123 is formed so that the central axis (c) (d) coincide with each other integrally formed, the insert portion 113 and the tooth point 120 of the tooth adapter 110. Coupling housing 121 of the) is the central axis (b) (c) is matched to be fixed so as to be separated from each other, the insert portion 113 of the tooth adapter 110 on the matching central axis (b) (c). ) And the mating pin holes 113a and 121a which are coincident with each other in the coupling housing 121 of the tooth point 120 are horizontally formed, and the mounting pins are provided in the mating pin holes 113a and 121a which correspond to each other. 130) is a smoothing tooth of the bucket for excavators, characterized in that is configured to be detachably fixed.

Images