CN108457264B - Ramming device and ramming method - Google Patents
Ramming device and ramming method Download PDFInfo
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- CN108457264B CN108457264B CN201810428012.2A CN201810428012A CN108457264B CN 108457264 B CN108457264 B CN 108457264B CN 201810428012 A CN201810428012 A CN 201810428012A CN 108457264 B CN108457264 B CN 108457264B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
Abstract
The invention discloses a tamping device and a tamping method, wherein the device comprises the following components: the rammer comprises a rammer body, a rammer plate, a supporting mechanism and a ramming force generating mechanism; the support mechanism is used for providing support for the rammer and the rammer plate so that the rammer and the rammer plate can move freely on the support mechanism; the ramming force generating mechanism comprises a metal channel and/or a liquid channel and is used for driving the rammer to ramm the ground by using a first impact force generated by metal electrified gasification explosion in the metal channel, a second impact force generated by discharging liquid from a power supply or a third impact force generated by metal electrified gasification explosion and metal reaction in the metal channel as a driving force of ramming, and meanwhile, the rammer moves in the air under the action of the driving force, and after reaching a certain height, the rammer falls freely and secondarily beats the rammer. The ramming device provided by the invention has the advantages of simple structure, economy, easiness in implementation, convenience in construction, remarkable effect, high efficiency, low energy consumption, safety, reliability, no pollution and wide application range.
Description
Technical Field
The invention belongs to the field of construction machinery, and particularly relates to a tamping device and a tamping method.
Background
The ramming machine is a mechanical device commonly used in the field of constructional engineering. In site construction, a ramming machine is generally adopted to firstly tamp and level the ground, and then other engineering operations are carried out. The common rammer mainly comprises a thermal rammer, a frog rammer, a vibration rammer and the like. The fire rammer drives the rammer to ramm soil under the action of the explosive force of the combustible mixed gas, the ramming force is difficult to accurately regulate and control, the discharged waste gas easily causes serious environmental pollution, and the working condition of operators is bad. The frog ram has the advantages of simple structure, convenient control, lower working efficiency and poor safety, and is generally only suitable for preliminary compaction work of small-area thin layers. The vibration rammer has small impact energy and can realize continuous impact, but has poor working reliability, key parts are easy to damage, meanwhile, the compaction capability of the vibration rammer is limited, the requirement of the regulation cannot be met, and the application occasion has certain limitation.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a tamping device and a tamping method, and aims to provide the tamping device which has the advantages of simple structure, economy, practicability, convenient construction, obvious effect, high efficiency, low energy consumption, safety, reliability, no pollution and wide application range, thereby solving the problems of large environmental pollution, difficult adjustment of tamping force, low working efficiency, poor reliability, limited use occasions and the like of thermal tamping.
To achieve the above object, according to one aspect of the present invention, there is provided a ramming apparatus comprising: the rammer comprises a rammer body, a rammer plate, a supporting mechanism and a ramming force generating mechanism;
the support mechanism is used for providing support for the rammer and the rammer plate so that the rammer and the rammer plate can move freely on the support mechanism;
the ramming force generating mechanism comprises a metal channel and/or a liquid channel, and is used for utilizing a first impact force generated by metal electrified gasification explosion in the metal channel, a second impact force generated by liquid discharge in the liquid channel by a power supply, or a third impact force generated by metal electrified gasification explosion in the metal channel and liquid reaction in the liquid channel to serve as driving force for ramming, driving the rammer to ramm the ground, meanwhile, the rammer moves to the air under the action of the driving force, and after reaching a certain height, the rammer falls freely and strikes the rammer for the second time, wherein the position of the ramming force generating mechanism is in order to ensure that acting force can be generated on the rammer and the rammer in working.
Preferably, the supporting mechanism comprises a supporting seat and a roller, the supporting seat is arranged on the ground and provides support for the rammer and the rammer plate, the supporting seat is provided with a sliding rail structure, so that the rammer and the rammer plate can move freely on the supporting seat, and the roller is arranged below the supporting seat and can drive the ramming device to move towards the direction needing ramming, so that continuous ramming operation is realized.
Preferably, the supporting mechanism comprises a sleeve, a supporting plate and a roller, the sleeve is installed on the supporting plate, the rammer and the rammer plate are installed on the sleeve, the sleeve is provided with a sliding rail structure, so that the rammer and the rammer plate can freely move in the sleeve, the roller is arranged under the supporting plate, and the rammer device can be driven to move in the direction of ramming through the roller, so that continuous ramming operation is realized.
Preferably, the distance between the rammer and the distance between the rammer and the ground can be flexibly adjusted, and before the compaction is started, the rammer is tightly attached to the rammer, the rammer is tightly attached to the ground, or a preset distance is kept between the rammer and the rammer, and a preset distance is kept between the rammer and the ground so as to adjust the compaction force.
Preferably, the tamping device further comprises a wire feeding mechanism, wherein the wire feeding mechanism is used for automatically supplementing metal after the single tamping is finished, so that the continuous automatic tamping operation is convenient.
Preferably, the ramming device further comprises a liquid replenishing mechanism, and the liquid replenishing mechanism is used for replenishing liquid automatically according to the consumption condition of the liquid after the ramming operation is finished.
Preferably, if the metal is in a coil shape, the rammer and/or the rammer plate can receive electromagnetic force action after the coil is electrified, and when the rammer is operated, a magnetic field is generated after the coil is electrified, the rammer and/or the rammer plate receives electromagnetic force and is overlapped with the driving force to become the final driving force for ramming, so that the single ramming force, the ramming efficiency and the energy utilization rate of a power supply are further improved.
Preferably, the ramming force generating mechanism comprises at least one metal channel and/or at least one liquid channel.
According to another aspect of the present invention, there is provided a ramming method including:
providing a metal channel and/or a liquid channel, wherein the metal channel and/or the liquid channel are/is positioned so as to ensure that an acting force can be generated on the rammer plate and the rammer when the rammer is in operation;
pulse current is introduced into the metal in the metal channel so as to enable the metal to be gasified at a high temperature, and explosion occurs to generate a first impact force; or, discharging the liquid in the liquid channel to generate a second impact force; or, pulse current is introduced into the metal in the metal channel so as to enable the metal to be gasified at a high temperature to explode, and meanwhile, the metal and liquid in the liquid channel are subjected to chemical reaction to generate a third impact force;
the first impact force, the second impact force or the third impact force is used as the driving force of the rammer to drive the rammer to ram the ground, meanwhile, the rammer moves to the air under the action of the driving force, and after a certain height is reached, the rammer falls freely and strikes the rammer for the second time.
Preferably, if the metal is in a coil shape, the rammer and/or the rammer plate can receive electromagnetic force action after the coil is electrified, and when the rammer is operated, a magnetic field is generated after the coil is electrified, the rammer and/or the rammer plate receives electromagnetic force and is overlapped with the driving force to become the final driving force for ramming, so that the single ramming force, the ramming efficiency and the energy utilization rate of a power supply are further improved.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) The invention uses the impact force generated by metal electric explosion, liquid discharge or metal electric explosion and metal and liquid chemical reaction as the driving force of the rammer, and has the advantages of simple and compact structure, simple and easy operation, portable equipment, economy and easy implementation, and is easy to construct and operate on site. The tamping process only uses electric energy, is environment-friendly and pollution-free, is safe and reliable, has few moving and control parts, is convenient to maintain and long in service life, can adapt to tamping work of various soil layers, is particularly suitable for tamping roadbeds of roads and railways, can be applied to underwater reinforcement, and has extremely wide application range. Meanwhile, the device of the invention is easy to realize miniaturization and automation of equipment, and is particularly suitable for maintenance of local operations such as underground pipelines, highways, airport runways, wharfs and the like.
(2) The invention adopts the coil wound by metal, and the electromagnetic force and the driving force generated by the metal channel and/or the liquid channel are overlapped to be used as the final driving force for ramming, thereby increasing the single ramming force and improving the ramming effect and the power utilization rate. The invention can flexibly regulate and control the tamping force, the tamping energy and the tamping strength by regulating the total energy of single discharge, the metal/liquid consumption adopted by single tamping and the initial interval between the tamping hammer and the tamping plate, and the tamping quality is easy to control, thereby ensuring the strength of foundation soil, improving the uniformity of soil layers and achieving the optimal tamping effect. The single pulse discharge time is extremely short, the single tamping speed is high, the efficiency is high, uninterrupted automatic continuous operation can be realized, the tamping efficiency is high, and the construction period is shortened.
Drawings
FIG. 1 is a schematic diagram of a ramming apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another ramming apparatus according to the embodiment of the present invention;
FIG. 3 is a schematic view of another ramming apparatus according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a placement mode of a metal channel according to an embodiment of the present invention;
fig. 5 is a schematic diagram of another placement mode of a metal channel according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The terms first, second, third and the like in the description and in the claims, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
In one aspect of the present invention, there is provided a ramming apparatus comprising: the rammer comprises a rammer body, a rammer plate, a supporting mechanism and a ramming force generating mechanism;
the support mechanism is used for providing support for the rammer and the rammer plate so that the rammer and the rammer plate can move freely on the support mechanism;
the ramming force generating mechanism comprises a metal channel and/or a liquid channel, and is used for utilizing a first impact force generated by metal in the metal channel through electrifying gasification explosion, a second impact force generated by liquid discharge in the liquid channel through a power supply, or a third impact force generated by metal in the metal channel through electrifying gasification explosion and liquid reaction in the liquid channel simultaneously to serve as driving force for ramming, driving the rammer to ramm the ground, and meanwhile, the rammer moves to the air under the action of the driving force, and after the rammer reaches a certain height, the rammer falls freely and secondarily beats the rammer, wherein the position of the ramming force generating mechanism is in order to ensure that acting force can be generated on the rammer and the rammer in working.
In the embodiment of the invention, after the metal is gasified, the contact surface between the metal and the liquid is greatly increased, so that the impact force generated by the chemical reaction between the metal and the liquid is improved.
In the embodiment of the present invention, the metal material may be any metal material such as aluminum, iron or tungsten, and the liquid material may be any liquid material such as water, and specifically, what metal material and what liquid material are used for chemical reaction, which is not limited in the embodiment of the present invention.
In embodiments of the present invention wherein the impact force generating mechanism includes at least one metal channel and/or at least one liquid channel, the specific number of uses in which embodiments of the present invention are not limited in their uniqueness.
In the embodiment of the present invention, the metal may be wire-shaped, ribbon-shaped, foil-shaped, etc., and the specific shape adopted in the embodiment of the present invention is not limited uniquely.
As an alternative implementation mode, the supporting mechanism comprises a supporting seat and rollers, the supporting seat is arranged on the ground and provides support for the rammer and the rammer plate, meanwhile, the supporting mechanism is provided with a sliding rail structure, so that the rammer and the rammer plate can move freely on the supporting seat, and the rollers are arranged below the supporting seat and can drive the ramming device to move towards the direction needing ramming, so that continuous ramming operation is realized.
As an alternative embodiment, the support mechanism comprises a sleeve, a support plate and rollers, the sleeve is mounted on the support plate, the ram and the tamper are mounted on the sleeve, the sleeve is provided with a slide rail structure, and the ram and the tamper are capable of freely moving in the sleeve. The roller is arranged under the supporting plate, and the tamping device can be driven to move towards the direction needing tamping through the roller, so that continuous tamping operation is realized.
As an alternative embodiment, the sleeve may be a sealed enclosure, or a vacuum environment may be applied to the interior of the sleeve, or a sound absorbing material may be applied to the sleeve to ensure that the impact of the ram with the ram occurs within the sleeve, thereby eliminating the ramming noise.
As an alternative embodiment, the distance between the ram and the distance between the ram and the ground can be flexibly adjusted, and before the compaction begins, the ram is closely attached to the ram, the ram is closely attached to the ground, or a preset distance is kept between the ram and the ram, and a preset distance is kept between the ram and the ground, so as to adjust the compaction force.
The preset distance can be determined according to actual needs.
The tamping force can be flexibly controlled by adjusting the dosage of metal/liquid, the initial distance between the rammer and the rammer plate and the initial distance between the rammer plate and the ground, so that the optimal tamping effect and the optimal tamping quality are achieved.
As an alternative implementation mode, the device also comprises a wire feeding mechanism, wherein the wire feeding mechanism is used for automatically supplementing metal after the single tamping operation is finished, so that the continuous automatic operation of the tamping operation is facilitated.
As an alternative embodiment, the device further comprises a liquid replenishing mechanism for automatically replenishing the liquid according to the consumption condition of the liquid after the tamping operation is finished.
As an alternative implementation manner, if the shape of the metal is a coil, the rammer and/or the rammer plate can be subjected to electromagnetic force after the coil is electrified, when the rammer and/or the rammer plate works, a magnetic field is generated after the coil is electrified, the rammer and/or the rammer plate is subjected to electromagnetic force, and the driving force generated by the metal channel and/or the liquid channel is overlapped to form the final driving force for ramming, so that the single ramming force, the ramming efficiency and the energy utilization rate of the power supply are further improved.
Where the metal is in the shape of a coil, the ram and/or ram may be subjected to electromagnetic forces upon energizing the coil, for example, by the ram and/or ram itself having some electrical conductivity, or by mounting conductive materials or components on the ram and/or ram, or by placing a metal coil on the ram and/or ram, etc., in a manner that is not uniquely limited by the embodiments of the invention.
The coil can be an integral single coil or a plurality of small coils, is convenient to expand capacity and flexible to assemble, and the mode is not limited uniquely.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the tamping device according to the embodiment of the present invention includes: the device comprises a supporting seat 1, a rammer 2, a rammer plate 3, a coil 4 and a roller 5.
The support seat 1 provides support for the rammer 2 and the rammer plate 3 and has a sliding rail structure; the rammer 2 is an object with certain mass, and the rammer 2 is arranged on the supporting seat 1 and can freely move on the supporting seat 1; the coil 4 is embedded in the groove of the ram 2 (as shown in fig. 4); the rammer 3 can move freely on the sliding rail of the supporting seat 1; the ram 2 is either in close proximity to the ram 3 or held in advance at a distance. The roller 5 is arranged on the supporting seat 3 and can drive the tamping device to move towards the direction of tamping, so that continuous tamping operation is realized.
The tamping method comprises the following steps:
(1) In a non-working state, the rammer 2 and the rammer 3 are both positioned at the upper part of the supporting seat 1, the coil 4 is arranged in a groove of the rammer 2, the groove is filled with water, and the rammer 2 and the rammer 3 can freely move in a sliding rail on the supporting seat 1;
(2) Before the compaction starts, the rammer 3 is lowered to be close to the ground or a certain distance is kept between the rammer and the ground, and the rammer 2 is close to the top of the rammer 3 or a certain distance is kept in advance. The coil 4 is electrified to generate a magnetic field, the rammer 3 and/or the rammer 2 are subjected to electromagnetic force, meanwhile, the coil 4 is wound by aluminum wires, the Joule heating effect is remarkable under high current, energy is accumulated in the coil, the aluminum wires are gasified at high temperature, explosion occurs to generate huge shock waves, meanwhile, after aluminum is gasified, the contact surface with water is greatly increased, aluminum and water are subjected to chemical reaction to generate hydrogen, huge energy is released, and the impact force is further increased. The three forces are overlapped to form a ramming force, the rammer 3 is driven to tamp the ground, meanwhile, the rammer 2 moves in the air under the action of the impact force, after the rammer 2 moves to a certain height, the rammer 2 freely falls, and the rammer 3 is driven to generate a secondary ramming effect on the ground.
(3) After the single pulse discharge is completed, a new coil is filled, the positions of the rammer 2 and the rammer plate 3 are reset, and the ramming device is driven to move towards the direction needing to be rammed by the roller 5, so that continuous ramming operation is realized.
(4) Repeating the steps (2) and (3) until the tamping operation is completed.
In an alternative embodiment, the initial distance between the rammer 2 and the rammer 3 or the initial distance between the rammer 3 and the ground can be adjusted according to the result of single ramming, so that the ramming force can be flexibly adjusted.
In an alternative embodiment, a wire feeding mechanism can be additionally arranged for automatically supplementing the consumed metal coil after the single tamping operation is finished, so that the continuous automatic tamping operation is convenient.
In an alternative embodiment, a water replenishment mechanism may be added to automatically replenish the water consumed by the chemical reaction.
Example 2
As shown in fig. 2, the tamping device according to the embodiment of the present invention includes: ram 2, ram 3, gyro wheel 5, backup pad 6, aluminium silk 7, sleeve 8.
The rammer 2 and the rammer plate 3 are arranged on the sleeve 8; the rammer board 3 is provided with a water tank, the aluminum wires 7 are distributed in parallel in a strip shape in the water tank (as shown in figure 5), and the water tank is filled with water; the sleeve 8 is provided with a sliding rail structure, and the sleeve 8 can integrally move upwards or downwards and can rotate by any angle; ram 2 and ram 3 are movable up and down within sleeve 8; the rammer 2 is closely attached to the rammer 3 or has a certain initial distance from the rammer 3; the tamper 3 can be placed against the ground or at an initial distance from the ground to ensure proper impact force.
The tamping method comprises the following steps:
(1) The rammer 2 and the rammer plate 3 are arranged inside the sleeve 8;
(2) The rammer board 3 is provided with a water tank, the aluminum wires 7 are arranged in the water tank in parallel along the strip shape, and the water tank is filled with water.
(3) Before the compaction begins, the ram 2 is pressed against the ram 3, or held at a predetermined distance. The tamper 3 is either placed against the ground or held at a predetermined distance. The aluminum wire 7 is electrified, the joule heating effect enables energy to be accumulated in the aluminum wire rapidly, the aluminum wire is gasified at a high temperature and explodes to generate huge shock waves, meanwhile, after the aluminum wire is gasified, the contact surface between the aluminum wire and water is greatly increased, the aluminum wire and the water are subjected to chemical reaction to generate hydrogen, and meanwhile, huge energy is released, so that the impact force is further increased. The two forces are overlapped to form a ramming force, the rammer 3 is driven to tamp the ground, meanwhile, the rammer 2 moves in the air under the action of the impact force, after the rammer 2 moves to a certain height, the rammer 2 freely falls, and the rammer 3 is driven to generate a secondary ramming effect on the ground.
(4) After the single discharge is completed, the aluminum wires are refilled, and the roller 5 drives the tamping device to move towards the direction to be tamped, so that continuous tamping operation is realized.
(5) Repeating the steps (3) and (4) until the tamping operation is completed.
In an alternative embodiment, the initial distance between the rammer 2 and the rammer 3, the initial distance between the rammer 3 and the ground, and the amount of aluminum wires can be adjusted according to the result of a single ramming, so that the ramming force can be flexibly adjusted.
In an alternative embodiment, a wire feeding mechanism and a water supplementing mechanism can be additionally arranged to automatically supplement consumed aluminum wires and water.
In an alternative embodiment, the sleeve 8 may be of a sealed enclosure construction, or may be internally a vacuum environment, or may be provided with sound absorbing material to ensure that the ram 2 strikes the ram 3 and the ram 3 impacts the ground within the sealed enclosure, thereby substantially eliminating the ramming noise.
Example 3
As shown in fig. 3, the tamping device according to the embodiment of the present invention includes: the hydraulic rammer comprises a supporting seat 1, a rammer 2, a rammer plate 3, a roller 5, a rammer coil 9 and a rammer plate coil 10.
The support seat 1 provides support for the rammer 2 and the rammer plate 3 and has a sliding rail structure; the rammer 2 is provided with a water tank, the rammer coil 9 is embedded in the water tank, and the water tank is filled with water; the top of the rammer 3 is provided with a water tank, the rammer coil 10 is arranged in the water tank, and the water tank is filled with water; the rammer 2 and the rammer plate 3 can move up and down in the supporting seat 1; the rammer 2 is closely attached to the rammer 3 or has a certain initial distance from the rammer 3; the tamper 3 is placed against the ground or at an initial distance from the ground to ensure proper impact force.
The tamping method comprises the following steps:
(1) The rammer 2 and the rammer plate 3 are arranged on the supporting seat 1;
(2) The rammer 2 is provided with a water tank, the rammer coil 9 is arranged in the water tank, and the water tank is filled with water;
(3) The rammer coil 10 is arranged in a water tank at the top of the rammer 3, and the water tank is filled with water;
(4) Before the compaction begins, the ram 2 is pressed against the ram 3, or held at a predetermined distance. The tamper 3 is either placed against the ground or held at a predetermined distance. Pulse currents with opposite polarities are supplied to the rammer coil 9 and the rammer coil 10, a magnetic field is generated in the space, and the current and the magnetic field interact to generate huge repulsive force between the coils. Meanwhile, the rammer coil 9 and the rammer plate coil 10 are wound by adopting aluminum materials, the Joule heating effect is remarkable under high current, energy is accumulated in the coil, aluminum wires are gasified at high temperature, explosion occurs to generate huge shock waves, meanwhile, after the aluminum is gasified, the contact surface with water is greatly increased, the aluminum and the water are subjected to chemical reaction to generate hydrogen, huge energy is released, and the impact force is further increased. The three forces are overlapped to form a ramming force, the rammer 3 is driven to tamp the ground, meanwhile, the rammer 2 moves in the air under the action of the impact force, after the rammer 2 moves to a certain height, the rammer 2 freely falls, and the rammer 3 is driven to generate a secondary ramming effect on the ground.
(5) After the completion of the single pulse discharge, a new ram coil 9 and ram coil 10 are replaced. The roller 5 drives the tamping device to move towards the direction to be tamped, so that continuous tamping operation is realized.
(6) Repeating the steps (4) and (5) until the tamping operation is completed.
In an alternative embodiment, the initial spacing of the ram 2 and the ram 3, the initial spacing of the ram 3 from the ground, the number of turns of the coil, the size and shape of the coil, etc. can be adjusted according to the result of a single impact, thereby flexibly adjusting the impact force.
In an alternative embodiment, a wire feeder and a water replenishment mechanism may be added to automatically replenish the consumed coils and water.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A ramming apparatus, comprising: the rammer comprises a rammer body, a rammer plate, a supporting mechanism and a ramming force generating mechanism;
the support mechanism is used for providing support for the rammer and the rammer plate so that the rammer and the rammer plate can move freely on the support mechanism;
the ramming force generating mechanism comprises a metal channel and a liquid channel, and is used for driving the ramming plate to ramm the ground by utilizing a first impact force generated by metal electrified gasification explosion in the metal channel, a second impact force generated by liquid discharge in the liquid channel by a power supply and a third impact force generated by metal electrified gasification explosion in the metal channel and liquid reaction in the liquid channel, and the ramming force generating mechanism is used for driving the ramming plate to move in the air under the action of the driving force, and after reaching a certain height, the ramming hammer falls freely and secondarily beats the ramming plate, wherein the position of the ramming force generating mechanism is used for ensuring that the working force can be generated on the ramming plate and the ramming hammer.
2. The ramming apparatus of claim 1, wherein the support mechanism comprises a support base and rollers, the support base is arranged on the ground to provide support for the rammer and the rammer plate, the support base is provided with a sliding rail structure, so that the rammer and the rammer plate can move freely on the support base, and the rollers are arranged below the support base and can drive the rammer apparatus to move in the direction to be rammed, so that continuous ramming operation is realized.
3. The ramming apparatus of claim 1, wherein the support mechanism comprises a sleeve, a support plate and rollers, the sleeve is mounted on the support plate, the rammer and the rammer plate are mounted on the sleeve, the sleeve is provided with a sliding rail structure, so that the rammer and the rammer plate can freely move in the sleeve, the rollers are arranged below the support plate, and the rollers can drive the rammer apparatus to move in a direction to be rammed, so that continuous ramming operation is realized.
4. A ramming apparatus according to claim 2 or claim 3, wherein the distance between the ram and the plate, the distance between the plate and the ground, and the distance between the ram and the ground are flexibly adjustable, the ram being in close proximity to the plate, the plate being in close proximity to the ground, or the ram and the plate being maintained at a predetermined distance, the ram and the ground being maintained at a predetermined distance, to adjust the ramming force.
5. The ramming apparatus of claim 4, further comprising a wire feeder for automatically replenishing metal after a single ramming operation is completed, facilitating continuous automatic performance of the ramming operation.
6. The ramming apparatus of claim 5, further comprising a liquid replenishing mechanism for automatically replenishing the liquid according to the consumption of the liquid after the ramming operation is completed.
7. The ramming apparatus of claim 4, wherein if the metal is in the shape of a coil, the rammer and/or the rammer plate is capable of receiving electromagnetic force after the coil is energized, and when the rammer apparatus is operated, the coil is energized to generate a magnetic field, and the rammer and/or the rammer plate receives electromagnetic force and is superimposed with the driving force to become a final driving force for ramming, thereby further improving single ramming force, ramming efficiency and energy utilization rate of a power supply.
8. The ramming apparatus of claim 4, wherein the ramming force generating mechanism comprises at least one metal channel and at least one liquid channel.
9. A method of ramming, comprising:
the method comprises the steps of arranging a metal channel and a liquid channel, wherein the arrangement positions of the metal channel and the liquid channel are used for ensuring that acting force can be generated on a rammer plate and a rammer when the rammer is in operation;
pulse current is introduced into the metal in the metal channel so as to enable the metal to be gasified at a high temperature, and explosion occurs to generate a first impact force; and discharging the liquid in the liquid channel to generate a second impact force; and pulse current is introduced into the metal in the metal channel so as to enable the metal to be gasified at a high temperature to explode, and meanwhile, the metal and liquid in the liquid channel are subjected to chemical reaction to generate a third impact force;
the first impact force, the second impact force and the third impact force are used as driving force for ramming to drive the rammer to ram the ground, meanwhile, the rammer moves to the air under the action of the driving force, and after a certain height is reached, the rammer falls freely and strikes the rammer for the second time.
10. The method of claim 9, wherein if the metal is in the shape of a coil, the ram and the tamper are capable of being subjected to electromagnetic forces upon energizing the coil, and in operation, the coil is energized to produce a magnetic field, and the ram and/or the tamper are subjected to electromagnetic forces and are superimposed with the driving force to become the final driving force for tamping, further improving single tamping force, tamping efficiency, and energy utilization of the power source.
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| CN113322749B (en) * | 2021-07-12 | 2022-08-09 | 吉林建筑大学 | Ramming machine for building construction |
| CN114673134B (en) * | 2022-05-19 | 2023-08-22 | 北方工业大学 | Solid-gas coupling one-rammer multi-rammer device |
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| US5573307A (en) * | 1994-01-21 | 1996-11-12 | Maxwell Laboratories, Inc. | Method and apparatus for blasting hard rock |
| CN1160191A (en) * | 1995-10-30 | 1997-09-24 | 株式会社水山特装 | Rock fragmentation system using gold schmidt method |
| CN106930267A (en) * | 2017-05-03 | 2017-07-07 | 中交公局第三工程有限公司 | Hydraulic pressure tamping unit and hydraulic pressure beater |
| CN208395802U (en) * | 2018-05-07 | 2019-01-18 | 华中科技大学 | A kind of roller-compactor |
-
2018
- 2018-05-07 CN CN201810428012.2A patent/CN108457264B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5573307A (en) * | 1994-01-21 | 1996-11-12 | Maxwell Laboratories, Inc. | Method and apparatus for blasting hard rock |
| CN1160191A (en) * | 1995-10-30 | 1997-09-24 | 株式会社水山特装 | Rock fragmentation system using gold schmidt method |
| CN106930267A (en) * | 2017-05-03 | 2017-07-07 | 中交公局第三工程有限公司 | Hydraulic pressure tamping unit and hydraulic pressure beater |
| CN208395802U (en) * | 2018-05-07 | 2019-01-18 | 华中科技大学 | A kind of roller-compactor |
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| CN108457264A (en) | 2018-08-28 |
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