Unlock instant, AI-driven research and patent intelligence for your innovation.

A rod-type charge spacer and its use method

A spacer and tie-rod technology, applied in the field of tie-rod charge spacers, can solve the problems of spacer failure, low strength, and poor spacer effect, and achieve the effects of avoiding drug exposure, good airtightness, and small space occupation

Active Publication Date: 2022-05-17
BEIJING UNIV OF TECH
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual blasting operations, the spacers are generally replaced by rock powder, bamboo tubes, and paper shells, and the spacer effect is poor; while the spacers on the market are mostly airbags, which are weak in strength, and once damaged, the spacers will lose their spacer effect

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
  • A rod-type charge spacer and its use method
  • A rod-type charge spacer and its use method
  • A rod-type charge spacer and its use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:

[0032] Such as figure 1 As shown, a rod-type charge spacer includes a telescopic sleeve 1 , a top rod 2 , a U-shaped buckle 3 , and an elastic columnar spacer 4 .

[0033] Such as figure 2 As shown, the telescopic sleeve 1 is at least two PVC sleeves with different diameters. The sleeve 1-1 with a large diameter is outside, and the sleeve 1-2 with a small diameter is inside. Switches 1-3, 1-4, except for the outermost sleeve 1-1, the top and bottom ends of the other sleeves 1-2 are all open, and a fixing hole 1-5 is opened every 20cm on the side wall, and the outermost sleeve The top of the barrel 1-1 is open, and a hollow tube 1-6 with a smaller diameter protrudes outward from the bottom. There are scales 1-7 on the outside of all the sleeves. The length of the sleeve can be adjusted according to the needs of the site during use. The fixed switch ...

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

A tie-rod type charge spacer and its use method, which relate to the field of blasting technology, and its structure includes a telescopic sleeve, a top pull rod, a U-shaped buckle, and an elastic columnar spacer. The telescopic sleeve is made of PVC with different diameters. Sleeve, the upper part of each section of the sleeve is equipped with a fixed switch, and there are scales on the outside. A section of hollow tube protrudes outward from the bottom of the outermost sleeve; the top pull rod includes a cylindrical shell, a shaft groove, a rotating shaft, and a shaft clamp , locking structure, reel, steel rope, return spring, the rotating shaft is placed in the shaft groove of the cylindrical shell, the shaft card, reel and return spring are fixed on the rotating shaft, and the locking structure is installed in the slideway of the cylindrical shell. When in use, adjust the length of the telescopic sleeve according to the length of the blast hole, place the lock head of the U-shaped buckle in the slot of the spacer chassis, and then place the spacer on the telescopic sleeve, brake the shaft through the locking structure, and Externally stretching the top tie rod can deform and expand the elastic columnar spacer to be stuck in the blast hole to form a spacer section.

Description

technical field [0001] The invention relates to the technical field of blasting, in particular to a rod-type charge spacer and a use method thereof. Background technique [0002] At present, a large number of emulsion explosives are used in engineering blasting at home and abroad. However, due to the high density of emulsion explosives, the charge in the blast hole will be large, resulting in unnecessary waste of energy. In mine blasting, the ore will be too broken and cause loss of resources. The practice of blasting engineering shows that setting spacers in blastholes can reduce the amount of single-hole charge and change the traditional coupling charge structure, thereby improving the blasting effect and the utilization rate of effective energy. However, in actual blasting operations, the spacers are generally replaced by rock powder, bamboo tubes, and paper shells, and the spacer effect is poor; while the spacers on the market are mostly air bags, which are weak in stre...

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
Patent Type & Authority Patents(China)
IPC IPC(8): F42D1/10F42D3/04
CPCF42D1/10F42D3/04Y02T10/70
Inventor 李小帅高文学洪政徐赫于伟杰刘钊臣
Owner BEIJING UNIV OF TECH