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Scraper

The technology of a scraper and a main engine is applied in the scraper field to achieve the effects of convenient replacement, widened working range and simple structure

Active Publication Date: 2011-06-15
CHANGZHOU DEV & MFR CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned utility model patent can be quickly combined or disengaged from the working device through the semicircular hook, but as a connector, the pin shaft on the connector needs to be quickly and correctly inserted into the pin shaft installation hole on the auxiliary working device

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] See Figure 1 to Figure 6 , the present invention includes a main engine 4 , a quick change device 1 , a working device 2 and a hydraulic system 3 .

[0032] The host machine 4 includes a first rocker arm 4-1, a second rocker arm 4-2 and a pair of rocker arms 4-3.

[0033] The hydraulic system 3 includes a locking hydraulic cylinder 3-1, a pair of lifting hydraulic cylinders 3-2, a bucket hydraulic cylinder 3-3, a pair of auxiliary hydraulic cylinders 3-7, a hydraulic pump 3-8, and an oil suction filter 3 -9, oil tank 3-10, self-sealing quick connector 3-11 and related valves. The cylinder ends of the lifting hydraulic cylinder 3-2 and the bucket hydraulic cylinder 3-3 are all hinged on the main machine frame, and the piston rod ends of the lifting hydraulic cylinder 3-2 are respectively hinged on the boom 4-3 on the same side. The first rocker arm 4-1, the second rocker arm 4-2 are hinged to the piston rod end of the bucket hydraulic cylinder 3-3, and the outer end o...

Embodiment 2

[0044] See Figure 7 and Figure 8 , the working device 2 includes a fork at the front and a bracket 2-1 at the rear, and the left and right sides of the top of the bracket 2-1 are respectively connected with a first pin shaft 2-2 through pin shaft holes, and the first pin shaft 2- 2. A guide cylinder 2-5 is fixed on the bracket 2-1 on one side, and the axis of the guide cylinder 2-5 is perpendicular to the axis of the first pin shaft 2-2. A lower keyhole plate 2-3 with a keyhole 2-3-1 is fixed on the lower part of the rear side of the support 2-1, and a positioning block 2-3 is arranged on the rear side of the support 2-1 and above the lower keyhole plate 2-3. 4. There is no auxiliary hydraulic cylinder on the fork to provide hydraulic power source. All the other can refer to embodiment 1.

Embodiment 3

[0046] See Figure 9 and Figure 10 , the working device 2 includes a front working platform and a rear support 2-1, the working platform can be equipped with an auxiliary hydraulic cylinder (the auxiliary hydraulic cylinder is not shown in the figure), the support 2-1 of the quick change device 1 and the working device 2 and The structure of the hydraulic system can be seen in Embodiment 1.

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PUM

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Abstract

A scraper comprises a host, a quick changing device, a working device and a hydraulic system; the quick changing device comprises a base frame and an ear plate, a locking hydraulic cylinder is fixed at the lower part of the front side of the base frame, and an upper lockhole plate with a lockhole is fixed on the base frame and positioned under the locking hydraulic cylinder; the working device comprises an executive component at the front part and a bracket at the rear part; an lower lockhole plate with the lockhole is fixed at the lower part of the rear side of the bracket, and a positioningblock is arranged on the bracket and positioned above the lower lockhole plate; the quick changing device is connected on a first rocker of the host and a pair of movable arms respectively by the base frame and a pin shaft, the working device is hung on the tops taking the shape of furcation of the two ear plates of the quick changing device by two first pin shafts on the bracket, and a piston rod of the locking hydraulic cylinder is inserted into the lockhole of the upper lockhole plate of the quick changing device and the lockhole of the lower lockhole plate of the working device so as to lock the working device and the quick changing device. The scraper adopts hook type connection and the locking mode of the lock shaft, and has simple structure, correct and firm connection, and quick change of the working device.

Description

technical field [0001] The present invention relates to scrapers. Background technique [0002] Scrapers are generally equipped with a variety of working devices. The replacement of working devices of traditional scrapers requires manpower to remove one device and replace another device. Since the replacement device is generally carried out during working hours, it takes a long time for manual replacement, thus It affects the working efficiency, and because the working device is very heavy, the labor intensity is relatively large. The utility model patent specification of China Authorized Notice No. CN 201089949Y discloses a loader with a quick-change work device, which includes a loader and ancillary work devices, and a connector is installed at the front end of the boom at the front wheel of the loader, and the connector Pin shaft is arranged on, and the pin shaft installation hole that cooperates with connector and the hook that is easy to assemble and articulate are arr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/96E02F3/36
CPCE02F3/3654
Inventor 姜汉军陈子林顾祖全张秋根刘梅云
Owner CHANGZHOU DEV & MFR CENT