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Transition sleeve and pumping device having same

A transition sleeve and body technology, applied in the field of transition sleeve and its pumping device, can solve the problems such as the inconvenient operation of transition sleeve failure judgment, achieve the effects of improving operability, preventing coating from falling off, and achieving great economic benefits

Active Publication Date: 2017-10-03
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to provide a transition sleeve and its pumping device to solve the problem of inconvenient operation of transition sleeve failure judgment in the prior art

Method used

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  • Transition sleeve and pumping device having same
  • Transition sleeve and pumping device having same
  • Transition sleeve and pumping device having same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The plurality of blind holes 210 in the first embodiment can solve the above-mentioned problem of inconvenient disassembly. Specifically, when the transition sleeve fails, the blind hole 210 is exposed, and a tripod puller (standard lifting and hydraulic tools) is used for disassembly when replacing. Specifically, insert the sharp corners of the puller into the three holes, hold the piston and pull the transition sleeve out of the installation hole. This makes the disassembly of the transition sleeve more convenient and faster, saves time and effort, and does not cause damage to the concrete cylinder.

[0036] In Embodiment 1, the dimension of the concave portion along the axial direction of the transition sleeve body 100 satisfies the following conditions:

[0037] 8cm≤d≤H, wherein, d is the dimension of the concave portion along the axial direction of the transition sleeve body 100 , and H is the dimension of the transition sleeve body 100 along the axial direction t...

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PUM

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Abstract

The invention provides a transition sleeve and a pumping device having the same, wherein the transition sleeve includes a transition sleeve body (100), and the transition sleeve further includes a failure warning structure, and the failure warning structure includes a A recess on the outward surface. The technical scheme of the invention effectively solves the problem of inconvenient operation for judging the failure of the transition sleeve in the prior art.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a transition sleeve and a pumping device having the same. Background technique [0002] In the prior art, pumping devices, such as concrete pumping devices, include working parts such as figure 1 shown. It includes oil pumps 1 and 16, valve groups 2 and 15, a pair of oil cylinders 3 and 4, a pair of concrete cylinders 6 and 7, a pair of concrete pistons 5 and 8, a hopper 11, an S valve 12, distribution cylinders 13 and 14 and accumulators. energy device 17. Wherein, the bottom of the hopper 11 is provided with a spectacle plate 10 and a transition sleeve 9 where the bottom of the hopper 11 is connected to the concrete cylinders 6 and 7 . The working conditions of the above-mentioned concrete pumping device are as follows: [0003] The pressure oil in the oil pump 1 is controlled by the valve group 2 to drive the pistons in the oil cylinders 3 and 4 to reciprocat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/02
Inventor 郭东柱朱捷
Owner ZOOMLION HEAVY IND CO LTD