CN203811060U - Tamping bar for ultra-deep hole blasting - Google Patents
Tamping bar for ultra-deep hole blasting Download PDFInfo
- Publication number
- CN203811060U CN203811060U CN201320848425.9U CN201320848425U CN203811060U CN 203811060 U CN203811060 U CN 203811060U CN 201320848425 U CN201320848425 U CN 201320848425U CN 203811060 U CN203811060 U CN 203811060U
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- tamping
- ultra
- tamping bar
- deep
- shot hole
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Abstract
The utility model belongs to the technical field of deep hole blasting engineering shot hole blocking, and particularly relates to a bendable and extensible portable tamping bar for ultra-deep hole blasting which can send explosive cartridges into the bottom of an ultra-deep shot hole, and blocking the shot hole opening with tamping plug. The construction technical difficult problem that the existing underground coal mine cannot be filled or blocked by explosives by the adoption of an integral long tamping bar due to the narrow and small site when performing ultra-deep hole blasting is solved, and the powder charging efficiency is improved. The tamping bar comprises a wood tamping hammer, a steel concave connector and a plurality of anchor cables which are sequentially arranged from the bottom of a shot hole to the shot hole opening, wherein the steel concave connector sleeves the wood tamping hammer and is fixedly connected with the wood tamping hammer, and the steel concave connector is in welded connection with the first section of anchor cable. The tamping bar has the beneficial effects that the explosive cartridges can be conveniently sent into the bottom of the ultra-deep shot hole, the conventional defect that a mother tamping bar and a son tamping bar are continuously extended is overcome, the explosive filling efficiency is improved, the blocking speed is high, the adaptability is good, and the tamping bar can be fast processed and manufactured according to the workplaces.
Description
Technical field
The utility model belongs to the technical field of engineering explosion perforation plugging, is specifically related to a kind of superdeep holes explosion tamper.
Background technology
Superdeep holes explosion is a kind of blasting method conventional under current coal mine.It is loosening and accelerate the aspects such as roadway construction speed that this technology is usually applied in coal mine gas extraction, Controlling of Coal Outburst, tight roof control, fully-mechanized mining working horsestone.The main feature of superdeep holes blasting technique is that borehole is dark, and diameter is large, and one time explosive payload is many.In order to ensure effective utilization of shotfiring safety and explosive energy, must carry out the sealing of hole of charging blast-hole.Research shows that rational sealing of hole obstruction can improve detonation gas pressure and the action time that extends detonation gas pressure in big gun hole; Promote that explosive fully reacts, make it to discharge maximum energy, produce minimum toxic gas; Stop freely overflowing of detonation gas, reduce the loss of explosion energy, detonation gas pressure, improve the thermal efficiency of explosive, improve the acting ability of explosive; Stop red-hot solid particle to be penetrated with explosive flame outward and spray outward, effectively prevent the blast of gas and coal dust; Effectively regulate the reasonable distribution of explosion energy, increase effective merit of broken rock, reduce the idle work that causes air-shock wave, slungshot, rock vibration etc.Conventional stemming is clay stemming at present, the strong adaptability of clay stemming, easy to use, cost is low, but its exist filling when stemming with tamper by its real problem, but because working space is limited, in the time that dynamite charge stops up, the long tamper of entirety just can not meet the demands under coal mine.For this reason, usually adopt the mode that the short tamper of mothers and sons of 1 ~ 1.5m constantly docks to carry out filling and the obstruction of explosive under coal mine, operating efficiency is very low, and in order to increase work efficiency, urgent need will be improved existing mother and sons' tamper filling technology.
Summary of the invention
Goal of the invention of the present utility model: in order to solve the series of problems such as powder stick filling and perforation plugging inconvenience and filling inefficiency of the long-hole blasting project under the crawl space condition of down-hole, provide one to assemble spreading flexible portable superdeep holes explosion tamper according to borehole depth.
The utility model adopts following technical scheme to realize:
Superdeep holes explosion tamper, comprise the wooden big gun hammer, steel spill connector and the some anchor cables that at the bottom of borehole, set gradually and connect successively to heel, steel spill connector is placed on wooden big gun hammer and goes up and be fixedly connected with, and steel spill connector and first section of anchor cable are welded to connect.
Anchor cable is steel strand wires.Adjacent anchor cable connects by threaded for union.
Described wooden big gun hammer comprises two sections of cylinders, one section of reduced diameter section, and one section of enlarged diameter section, wherein reduced diameter section inserts in steel spill connector.
Before use, first, by one end welding of spill connector and anchor cable, other one end of anchor cable and the bell and spigot joint tail end of articulation weld, the anchor cable termination welding that the thread head tail end of articulation docks with next root, by that analogy, determine anchor cable length and quantity according to borehole depth.Then the tail end of big gun hammer is docked with spill connector, and both are fixed with nail.So far superdeep holes explosion tamper completes.
This use is novel has following beneficial effect: explosive cartridge can be sent into easily to the bottom of superdeep holes borehole, avoided the drawback of the continuous spreading of mother and sons' tamper in the past, improve the efficiency of dynamite charge.Filling obstruction speed is fast, adaptability good, can make according to workplace rapid processing, very convenient.
Brief description of the drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is wooden big gun hammer schematic diagram,
Fig. 3 is steel spill connector schematic diagram,
Fig. 4 is threaded for union schematic diagram,
In figure: the wooden big gun hammer of 1-, 2-steel spill connector, 3-anchor cable, 4-threaded for union, 5-iron nail, 6-weld seam, 7-bell and spigot joint, 8-nut, 9-thread head.
Detailed description of the invention
By reference to the accompanying drawings detailed description of the invention of the present utility model is described further.
The utility model is the efficiency of stopping up in order to improve the filling of superdeep holes rendrock, if Fig. 1 is to as shown in Fig. 4.Superdeep holes explosion tamper be extensible flexible just in soft connector, comprise at the bottom of borehole to heel and setting gradually and the wooden big gun that connects is successively hammered into shape, steel spill connector and some anchor cables.
Described wooden big gun hammer is that the hard wood of the fire-resistant antistatic that soaked by fire retardant is made, comprise two sections of cylinders, one section of reduced diameter section, one section of enlarged diameter section, major diameter segment length 30 ~ 50cm, diameter is than the little 10 ~ 15mm of borehole diameter, its termination is the plane of top rake, concentric diameter of enlarged diameter section tail end band is reduced diameter section than the circular cylinder of the little 10 ~ 15mm of its diameter, and length is generally 10cm, and object is to peg graft convenient to big gun hammer and spill connector.
Described spill connector spill connector is to be formed by steel processing and fabricating, can hammer nested connection into shape with wooden big gun well.Its internal diameter is identical with big gun hammer reduced diameter section diameter, and the degree of depth and big gun hammer reduced diameter section are equal in length, and its external diameter is than the steel pillar buoy of the large 5mm of internal diameter.1 ~ 2 aperture is offered in the side of spill connector, to nail can be hammered into into, big gun hammer is reliably connected with spill connector, is unlikely to depart from.
Described anchor cable is the steel strand wires that diameter conventional under coal mine is 17.8mm, just, be with soft, can be suitably bending, but energy power transmission, length is generally 10000mm ~ 15000 mm(length and can determines according to actual conditions oneself), the joint of anchor cable and anchor cable is that the general diameter in market is the threaded for union of Φ 18mm, the bell and spigot joint tail end of articulation and the welding of the afterbody of anchor cable, the thread head tail end of articulation and the welding of the anchor cable termination of next joint.
When concrete enforcement, first complete the processing and fabricating of each parts on ground according to Fig. 1, select suitable anchor cable length and the radical of anchor cable according to borehole depth.Then according to the technical solution adopted in the utility model, big gun hammer is docked with spill connector and the two is fixed with nail, then by one end welding of spill connector and first anchor cable, other one end of anchor cable and the welding of the bell and spigot joint tail end of threaded for union, the anchor cable termination welding that the thread head tail end of articulation docks with next root, by that analogy, carry out the above-mentioned processing that repeats according to the definite anchor cable length of borehole depth and quantity.
Before use, first threaded for union is unclamped, be convenient to from surface transportation to down-hole like this.When construction operation, according to the degree of depth of borehole, in down-hole, anchor cable is docked, the long 2 ~ 3m of docking Length Ratio borehole depth is advisable.The tamper assembling just can be sent to explosive piecemeal borehole bottom.Complete when powder stick filling, remaining borehole section just can be carried out shutoff with stemming.When shutoff stemming, one time sealing clay amount is moderate, to can be disclosed reality with tamper, until reach the sealing of hole amount of design.During this period, along with the filling of powder stick and the sealing of hole of stemming, tamper length can according to circumstances in time be dismantled, so that workman's work is convenient.
Claims (5)
1. a superdeep holes explosion tamper, it is characterized in that comprising wooden big gun hammer (1), steel spill connector (2) and the some anchor cables (3) that at the bottom of borehole, set gradually and connect successively to heel, steel spill connector (2) is placed on wooden big gun hammer (1) and goes up and be fixedly connected with, and steel spill connector (2) is welded to connect with first section of anchor cable.
2. superdeep holes explosion tamper according to claim 1, is characterized in that anchor cable (3) is steel strand wires.
3. superdeep holes explosion tamper according to claim 1 and 2, is characterized in that adjacent anchor cable (3) connects by threaded for union (4).
4. superdeep holes explosion tamper according to claim 3, is characterized in that described wooden big gun hammer (1) comprises two sections of cylinders, one section of reduced diameter section, and one section of enlarged diameter section, wherein reduced diameter section inserts in steel spill connector (2).
5. superdeep holes explosion tamper according to claim 4, the steel spill connector (2) described in it is characterized in that is hammered (1) reduced diameter section into shape with wooden big gun and is connected by iron nail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848425.9U CN203811060U (en) | 2013-12-23 | 2013-12-23 | Tamping bar for ultra-deep hole blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848425.9U CN203811060U (en) | 2013-12-23 | 2013-12-23 | Tamping bar for ultra-deep hole blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811060U true CN203811060U (en) | 2014-09-03 |
Family
ID=51449798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320848425.9U Expired - Fee Related CN203811060U (en) | 2013-12-23 | 2013-12-23 | Tamping bar for ultra-deep hole blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779407A (en) * | 2019-11-04 | 2020-02-11 | 上海隧道工程有限公司 | Hole plugging device and method for high-pressure gas rock breaking of tunnel |
-
2013
- 2013-12-23 CN CN201320848425.9U patent/CN203811060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779407A (en) * | 2019-11-04 | 2020-02-11 | 上海隧道工程有限公司 | Hole plugging device and method for high-pressure gas rock breaking of tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |