CN110227597B - Multistage rock expander and method for breaking rock - Google Patents
Multistage rock expander and method for breaking rock Download PDFInfo
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- CN110227597B CN110227597B CN201910489978.1A CN201910489978A CN110227597B CN 110227597 B CN110227597 B CN 110227597B CN 201910489978 A CN201910489978 A CN 201910489978A CN 110227597 B CN110227597 B CN 110227597B
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- expander
- wedge block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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Abstract
The invention provides a multi-stage rock expander with reasonable design and simple structure and a method for breaking rocks. The utility model provides a multistage rock expander, includes straining device and broken stone mechanism, and straining device includes jack and pull rod, and broken stone mechanism includes slip wedge and fixed wedge, and fixed wedge wraps up on slip wedge periphery, and pull rod one end runs through the jack and is connected rather than through the nut, and the slip wedge is connected to the pull rod other end, and the slip wedge is kept away from pull rod direction one end external diameter and is increased.
Description
Technical Field
The invention relates to a rock expander, in particular to a multistage rock expander and a method for breaking rocks, and belongs to the field of traffic engineering.
Background
The current hard rock, concrete and the like have the following breaking method under the condition that the blasting cannot be carried out: expanding agent, hydraulic oil hammer beating, manual beating expander and hydraulic rock cracking machine.
The breaking-in methods have the following technical problems:
1. the expanding agent is available in most places, has no impact and vibration, is simple to operate, but has low efficiency and high cost.
2. The hydraulic oil hammer has high beating efficiency and high noise, and the manual beating of the expander cannot damage the environment, but has high labor intensity and low efficiency.
3. The hydraulic rock cracking machine has no choice for construction environment, no noise, no vibration, no impact, simple operation and high efficiency, but belongs to mechanical products, needs regular maintenance and has high cost.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a multistage rock expander and a rock breaking method.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a multistage rock expander, includes straining device and broken stone mechanism, and straining device includes jack and pull rod, and broken stone mechanism includes slip wedge and fixed wedge, and fixed wedge wraps up on slip wedge periphery, and pull rod one end runs through the jack and is connected rather than through the nut, and the slip wedge is connected to the pull rod other end, and the slip wedge is kept away from pull rod direction one end external diameter and is increased.
According to the preferable scheme of the multistage rock expander, the sliding wedge block is provided with a connecting part and an expanding part, the connecting part is provided with external threads, the external threads are connected with the pull rod into a whole through a connector, the external diameter of the expanding part is increased along the direction away from the pull rod, a cavity is arranged in the fixed wedge block, the cavity is tightly matched with the expanding part, and the axial length of the cavity along the pull rod is smaller than that of the expanding part along the pull rod.
According to the preferable scheme of the multistage rock expander, the connecting part is cylindrical, and the diameter of the cavity is increased towards the direction far away from the pull rod.
According to the preferable scheme of the multistage rock expander, the connector is of a hollow cylindrical structure and is provided with an internal thread matched with the external thread.
A method of breaking rock using the multi-stage rock expander, comprising the steps of:
(1) drilling a row of holes in the rock;
(2) inserting the multi-stage rock expander into the first hole to the bottom of the hole;
(3) starting a jack, tensioning a pull rod, upwards moving a sliding wedge block until the sliding wedge block is tensioned to a design tensioning value of the pull rod, and fixing the wedge block (closely attached to the wall of a hole to generate huge tension on the wall of the hole;
(4) and resetting the jack, detaching the pull rod, connecting the pull rod with the other set of sliding wedge block and the fixed wedge block, placing the multistage rock expander above the rock fragmentation part, operating the jack, repeating the operation, moving all the expander components to the next hole, and continuously breaking the rock until the rock is cracked.
The invention has the advantages that:
1. the application field is wide: the method is suitable for places which cannot be blasted by explosive and have narrow environment and requirements on noise pollution, and can be used for mining and decomposing stone, dismantling concrete members, crushing various stone squares and excavating;
2. the environmental protection property is good: the use process has no noise, vibration, impact and pollution, and does not affect the surrounding environment;
3. the operation is easy: the operation is simple, the use is flexible, and the operators do not need special training;
4. the flexibility is good: the broken stone component is convenient to move, and the operator can easily move away by one person.
5. The efficiency is high: multi-stage stone breaking can be realized by drilling a hole on the operation surface, deep layer breaking and dismantling can be realized, and the efficiency is high;
6. the cost is low: the stone breaking component is simple to manufacture, can be repeatedly used, does not need special maintenance, and is low in cost and less in occupied labor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a front view of the multi-stage rock expander of the present invention.
Fig. 2 is a schematic top view of the multi-stage rock expander of the present invention.
Fig. 3 is a schematic view of step 1) of the method for breaking rocks by using the multi-stage rock expander.
Fig. 4 is a schematic diagram of step 2) of the method for breaking rocks by using the multi-stage rock expander.
Fig. 5 is a schematic view of a state of a tension rod in the method for breaking rocks by using the multi-stage rock expander.
Fig. 6 is a schematic view of another state of a tension rod in the method for breaking rocks by using the multi-stage rock expander.
FIG. 7 is a schematic view showing a structure of a sliding wedge.
FIG. 8 is a schematic view of the structure of the fixed wedge.
In the figure, 1, a nut 2, a jack 3, a pull rod 4, a backing plate 5, a rock 6, a connector 7, a sliding wedge block 8, a fixed wedge block 9 and a hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the multistage rock expander comprises a tensioning mechanism and a rock breaking mechanism, wherein the tensioning mechanism comprises a jack 2 and a pull rod 3, the rock breaking mechanism comprises a sliding wedge block 7 and a fixed wedge block 8, the fixed wedge block 8 is wrapped on the periphery of the sliding wedge block 7, one end of the pull rod 3 penetrates through the jack 2 and is connected with the jack through a nut 1, the other end of the pull rod 3 is connected with the sliding wedge block 7, and the outer diameter of one end, away from the pull rod direction, of the sliding wedge block 7 is increased.
Referring to fig. 7, the sliding wedges 7 have a connecting portion 71 and an expanding portion 72, the connecting portion has an external thread and is integrally connected with the drawbar 3 through the connector 6, the connecting portion is cylindrical, the outer diameter of the expanding portion increases in the direction away from the drawbar, referring to fig. 8, a cavity 81 is provided inside the fixed wedge 8, the diameter of the cavity increases in the direction away from the drawbar 3, the cavity is tightly fitted with the expanding portion, and the length of the cavity in the axial direction of the drawbar 3 is smaller than the length of the expanding portion in the axial direction of the drawbar 3.
In this embodiment, the connector 6 is a hollow cylindrical structure and has an internal thread that mates with the external thread while connecting the drawbar 3 and the sliding wedge 7.
A method of breaking rock using the multi-stage rock expander, comprising the steps of:
(1) referring to fig. 3, a row of holes 9 is drilled in the rock 5;
(2) referring to fig. 4, the jack 2 is set on the rock 5 through the pad 4, and the multi-stage rock expander is inserted into the first hole 9 to the bottom of the hole;
(3) referring to fig. 5 and 6, the jack 2 is started, the pull rod 3 is tensioned, the sliding wedge block 7 moves upwards and is tensioned to the designed tensioning value of the pull rod, and the fixed wedge block 8 is tightly attached to the hole wall of the hole 9, so that great tension is generated on the hole wall;
(4) the jack 2 is reset, the pull rod 3 is removed, the pull rod is connected with the other set of sliding wedges 7 and the other set of fixed wedges 8, the multistage rock expander is placed above the cracked part of the rock, the jack 2 is operated, the operation is repeated, then all the expander components are moved to the next hole, and the rock is broken continuously until the rock is broken.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A method for breaking stones by using a multistage rock expander comprises a tensioning mechanism and a stone breaking mechanism, wherein the tensioning mechanism comprises a jack (2) and a pull rod (3), the stone breaking mechanism comprises a sliding wedge block (7) and a fixed wedge block (8), the fixed wedge block (8) is wrapped on the periphery of the sliding wedge block (7), one end of the pull rod (3) penetrates through the jack (2) and is connected with the jack through a nut (1), the other end of the pull rod (3) is connected with the sliding wedge block (7), and the outer diameter of one end, away from the pull rod direction, of the sliding wedge block (7) is increased; the method is characterized in that: the method for breaking rocks by using the multi-stage rock expander comprises the following steps:
(1) drilling a row of holes (9) in the rock (5);
(2) inserting said multi-stage rock expander into the first hole (9) to the bottom of the hole;
(3) starting the jack (2), tensioning the pull rod (3), upwards moving the sliding wedge block (7) until the pull rod is tensioned to a designed tensioning value, and tightly attaching the fixed wedge block (8) to the hole wall of the hole (9) to generate huge tension on the hole wall;
(4) and resetting the jack (2), removing the pull rod (3), connecting the pull rod with another set of sliding wedges (7) and fixed wedges (8), placing the multistage rock expander above the cracked part of the rock, operating the jack (2), repeating the operation, moving all the expander components to the next hole, and continuously breaking the rock until the rock is cracked.
2. The method of breaking rock using a multi-stage rock expander as claimed in claim 1, wherein: the sliding wedge block (7) is provided with a connecting part and an expansion part, the connecting part is provided with external threads which are connected with the pull rod (3) into a whole through the connector (6), the external diameter of the expansion part is increased along the direction away from the pull rod, a cavity is arranged in the fixed wedge block (8), the cavity is tightly matched with the expansion part, and the axial length of the cavity along the pull rod (3) is smaller than that of the expansion part along the pull rod (3).
3. The method of breaking rock using a multi-stage rock expander of claim 2, wherein: the connecting part is cylindrical, and the diameter of the cavity is increased towards the direction far away from the pull rod (3).
4. The method of breaking rock using a multi-stage rock expander of claim 2, wherein: the connector (6) is of a hollow cylindrical structure and is provided with an internal thread matched with the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489978.1A CN110227597B (en) | 2019-06-06 | 2019-06-06 | Multistage rock expander and method for breaking rock |
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|---|---|---|---|
| CN201910489978.1A CN110227597B (en) | 2019-06-06 | 2019-06-06 | Multistage rock expander and method for breaking rock |
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| CN110227597A CN110227597A (en) | 2019-09-13 |
| CN110227597B true CN110227597B (en) | 2021-05-18 |
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Citations (13)
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|---|---|---|---|---|
| DE1577988A1 (en) * | 1966-07-20 | 1970-02-26 | Heinz Hoelter | Method and device for splitting preferably hard mineral, such as rock |
| CN2043272U (en) * | 1988-11-28 | 1989-08-23 | 龙胜县科委 | Stone quarrying and shaping splitter |
| JPH0428080B2 (en) * | 1988-01-25 | 1992-05-13 | Shinnippon Seitetsu Kk | |
| CN2392658Y (en) * | 1999-11-25 | 2000-08-23 | 叶欢 | Static-pressure stone-splitting device |
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| CN206694029U (en) * | 2017-03-22 | 2017-12-01 | 山东协和学院 | A kind of high efficiency rock splitter |
| CN207033449U (en) * | 2017-06-10 | 2018-02-23 | 广州鼎星机械设备有限公司 | A kind of fluid pressure type rock crack device |
| CN108999625A (en) * | 2018-07-30 | 2018-12-14 | 天地科技股份有限公司 | Anchor pole stretching construction device and construction method |
| CN208803846U (en) * | 2018-06-28 | 2019-04-30 | 上海曼拓实业有限公司 | A kind of mechanical rock splitter |
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2019
- 2019-06-06 CN CN201910489978.1A patent/CN110227597B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1577988A1 (en) * | 1966-07-20 | 1970-02-26 | Heinz Hoelter | Method and device for splitting preferably hard mineral, such as rock |
| JPH0428080B2 (en) * | 1988-01-25 | 1992-05-13 | Shinnippon Seitetsu Kk | |
| CN2043272U (en) * | 1988-11-28 | 1989-08-23 | 龙胜县科委 | Stone quarrying and shaping splitter |
| CN2392658Y (en) * | 1999-11-25 | 2000-08-23 | 叶欢 | Static-pressure stone-splitting device |
| CN104790451A (en) * | 2015-03-07 | 2015-07-22 | 彭章义 | Mechanical stone cracking method |
| CN204877476U (en) * | 2015-08-07 | 2015-12-16 | 江苏安能钻掘设备科技有限公司 | Hydraulic pressure splitting machine |
| CN105134211A (en) * | 2015-08-21 | 2015-12-09 | 杨京峰 | High-efficiency mine quarry stone splitting and carrying machine |
| CN106555588A (en) * | 2015-09-28 | 2017-04-05 | 张鹏 | A kind of wedge shoe system of stone mining hydraulic splitting machine |
| CN206467574U (en) * | 2016-12-05 | 2017-09-05 | 中铁五局集团贵州工程有限公司 | For finish rolling deformed bar anchorage sleeve fastener |
| CN206694029U (en) * | 2017-03-22 | 2017-12-01 | 山东协和学院 | A kind of high efficiency rock splitter |
| CN207033449U (en) * | 2017-06-10 | 2018-02-23 | 广州鼎星机械设备有限公司 | A kind of fluid pressure type rock crack device |
| CN208803846U (en) * | 2018-06-28 | 2019-04-30 | 上海曼拓实业有限公司 | A kind of mechanical rock splitter |
| CN108999625A (en) * | 2018-07-30 | 2018-12-14 | 天地科技股份有限公司 | Anchor pole stretching construction device and construction method |
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| CN110227597A (en) | 2019-09-13 |
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