Opening-closing control mechanism for single-rope bucket grab

A technology of control mechanism and grab bucket, applied in the directions of load hanging components, transportation and packaging, etc., can solve the problems of easy loosening and damage of pipe fittings, complicated installation and high cost, and achieve strong ability to complete work, improve loading and unloading efficiency, and service life. long effect

Inactive Publication Date: 2007-12-12
SHANGHAI QIFAN MACHINERY
View PDF1 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the main oil cylinder itself does not have any buffer mechanism, the opening time of the grab bucket is too short, resulting in a large impact. In order to avoid the impact, the hydraulic system is equipped with six large and small buffer oil

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Opening-closing control mechanism for single-rope bucket grab
  • Opening-closing control mechanism for single-rope bucket grab
  • Opening-closing control mechanism for single-rope bucket grab

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Referring to FIG. 2 , the single-cable grab can adopt a conventional structure, including a bucket body 201 , a lower bolster 202 , a strut 203 , an upper bolster 204 , and a sliding seat 205 . The upper bolster 204 is internally provided with a fixed pulley 206 and a rope guide device 207, the sliding seat 205 is located between the upper bolster 204 and the lower bolster 202, and a pulley 208 is provided inside, and the pulley 208 passes through the upper bolster rope guide device 207 The wire rope 209 in the middle is suspended from the fixed pulley 206 of the upper bolster 204, and the up and down movement of the sliding seat 205 can be controlled by the wire rope 209. The bucket body 201 is connected with the lower bolster 202 , one end of the strut 203 is connected with the bucket body 201 , and the other end is connected with the upper bolster 204 .

[0034]The opening and closing control mechanism of the single-rope grab bucket of the present invention includes ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The single chain bucket grab control device comprises two oil cylinders with each composed of the block, piston bar and the piston, block on the lower bearing beam, piston bar connected to the slide base, center of the piston having through hole of the top and down cavity, bottom of the block having ejection pin, whose center having through holes, bottom of the block having the first and second oil outlet with the first connecting with the through hole, the second connecting with the bar free cavity, each oil cylinder composed of a set of single way guide hydraulic single way pump set on the tube of the piston or outside the oil tank, bar cavity controlling circuit composed of hydraulic pipe and change over valve, hydraulic pipe connected between the first oil outlet and the oil tank, change over valve on the path of the hydraulic tube to the guide of the first oil outlet and the oil tank, free from bar cavity control circuit, connecting between second oil outlet and the oil tank to adjust the back pressure and oil suction speed.

Description

technical field [0001] The invention relates to an opening and closing control mechanism of a single-cable grab, in particular to an opening and closing control mechanism which enables the single-cable grab to be opened and closed without impact. Background technique [0002] The single-rope remote control grab is a mechanical device installed on cranes, winches, winches or pulleys for loading and unloading bulk cargo. There are generally two types: (1) cylinder top type; (2) clamp rod type. The cylinder top remote control grab uses the main oil cylinder to withstand the eccentric plates on the left and right sides to lock the grab. The main oil cylinder bears a lot of pressure. If the oil cylinder leaks slightly, the grab will bloom in the air. In addition, when the remote control grab is opened, the opening speed of the grab is too fast, and the material is unloaded in an instant, resulting in a large impact on the grab, which is especially not suitable for loading. The c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B66C3/06B66C3/16
Inventor 包起帆姜国华胡友谊沈桂敏胡申明于德俊
Owner SHANGHAI QIFAN MACHINERY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap