CN111085939A - Portable hydraulic self-supporting abrasive water jet cutting rescue equipment - Google Patents
Portable hydraulic self-supporting abrasive water jet cutting rescue equipment Download PDFInfo
- Publication number
- CN111085939A CN111085939A CN202010017263.9A CN202010017263A CN111085939A CN 111085939 A CN111085939 A CN 111085939A CN 202010017263 A CN202010017263 A CN 202010017263A CN 111085939 A CN111085939 A CN 111085939A
- Authority
- CN
- China
- Prior art keywords
- abrasive
- pressure
- overflow valve
- hydraulic
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
- B24C7/0015—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0023—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses portable hydraulic self-supporting abrasive water jet cutting rescue equipment. The high-pressure fluid is provided by the plunger pump, the pressure intensity is adjusted to be small through the overflow valve, the energy is respectively provided for the hydraulic expansion device and the supercharger through the two-position three-way overflow valve, the supercharger provides a higher pressure intensity condition for high-pressure water jet, and the energy accumulator maintains the pressure stability of the high-pressure water jet, so that hydraulic support and object cutting are realized. According to the invention, the hydraulic self-supporting device is combined with the abrasive water cutting device, and the power is provided by sharing one plunger pump, so that the size of the device can be effectively reduced, the comprehensiveness of the function of the breaking-in rescue device can be considered, and the rescue efficiency and success rate of firemen and other non-professional persons are improved; the invention can produce the abrasive material by using local materials at the rescue site, thereby not only saving the cost of the abrasive material, but also eliminating the storage and transportation work of the abrasive material; but also the cutting ability of the cutting device, and the portability and compatibility of the device.
Description
Technical Field
The invention relates to a portable hydraulic self-supporting abrasive water jet cutting rescue device.
Background
The conventional hydraulic self-supporting device and the water cutting device are basically applied to a large construction site or configured by a professional firefighting rescue vehicle. Such hydraulic self-supporting devices are often limited in their size and weight to such an extent that transport and short distance handling conditions are very demanding. Particularly, in case of disaster areas which are seriously damaged by earthquakes, the emergency rescue work can be carried out by large rescue equipment which can be only equipped by professional fire rescue troops, so that armed police officers and soldiers and volunteers cannot carry out effective rescue work. Particularly, in the case of emergency and complex situations, rescuers often lack the portable equipment restraint and are only capable of waiting for the scheduling of professional rescue troops and professional rescue equipment, so that the situation of untimely rescue is caused, and more serious life and property loss of people is caused.
The traditional water cutting device takes water as a cutting medium, has high requirements on the threshold, puts high requirements on each component of a cutting system, and accordingly causes the size and the weight of the whole set of cutting equipment to be overlarge. The water cutting device is designed to be small and miniature, and although satisfactory for its portability, it results in a reduction in its operating pressure, thereby sacrificing its cutting ability. And a certain amount of abrasive particles are added into the pure water jet flow, so that the cutting capacity of the water jet flow can be obviously improved, but proper abrasive materials are often lacked in a rescue site to improve the cutting capacity of the water jet flow.
No matter hydraulic self-supporting devices or water cutting devices on the market at present are not separated from fixed hydraulic sources, the devices are not portable, the use of the devices requires strict personnel number requirements and regional conditions, the devices cannot play the role under the condition that personnel allocation or pressure source allocation is not met, and resource waste is caused. At present, only professional fire rescue teams are equipped with special fire rescue vehicles to carry out such rescue activities, and professional personnel with extremely high professional literacy and professional fire rescue vehicles are needed to carry out such rescue work, so that high requirements are provided for personnel allocation and resource allocation of the rescue work. The accident scene in the serious disaster area after the earthquake is created is large-scale and high-risk; the situation is very urgent; the road condition is in a paralyzed state; the number of people in distress who need emergency rescue is huge. Firstly, from a time perspective, the scheduling of personnel requires time; secondly, from the perspective of the number of people, the local fire rescue center may also be attacked by a disaster, lose part of the rescue ability, assume that they are intact and put into rescue work in the best state, and in the face of such a large disaster, people are certainly not enough; thirdly, from the actual rescue site, the traffic is basically in a paralyzed state, and the fire-fighting rescue vehicle cannot realize the effect of being used at any time when the vehicle is called, so that the rescue efficiency is influenced, and the consequences are disastrous.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a portable hydraulic self-supporting abrasive water jet cutting rescue device.
The invention comprises a plunger pump, a water tank, a pilot overflow valve, a two-position three-way overflow valve, a supercharger, an energy accumulator, a hydraulic self-supporting device, an abrasive end cover and an abrasive water cutting device; the water tank is respectively connected with a plunger pump, a pilot overflow valve and a booster through pipelines, the plunger pump is sequentially and hermetically connected with the pilot overflow valve and a two-position three-way overflow valve, the two-position three-way overflow valve is respectively connected with a hydraulic self-supporting device and the booster, the hydraulic self-supporting device can select whether to be connected and matched with an abrasive end cover to finish abrasive production and a heavy object supporting task according to needs, the booster is sequentially connected with an energy accumulator and an abrasive water cutting device, the plunger pump and the booster absorb liquid from the water tank, the liquid overflowing out of the overflow valve flows back to the water tank, the abrasive water cutting device is provided with an opening for filling abrasive, and the abrasive is mixed with high-speed water.
Furthermore, the plunger pump is provided with a water inlet and a water outlet, the interior of the pump is well sealed, and the water inlet is provided with a pipeline leading to the water tank.
Furthermore, the pilot overflow valve is arranged between the plunger pump and the two-position three-way overflow valve, is used for receiving high-pressure fluid output from the plunger pump, simultaneously detects the fluid pressure, and can control the magnitude of the fluid pressure through the fluid diversion of the overflow port, thereby further controlling the working pressure of the system; the water tank is connected with the overflow port through a pipeline, and the water tank collects redundant fluid flowing out of the overflow port and can flow to the overflow valve through the plunger pump so as to realize the cyclic utilization of water resources.
Furthermore, the two-position three-way overflow valve is provided with a water inlet and two water outlets, the water inlet receives high-pressure fluid output from the plunger pump, the overflow valve can control the flow direction of the high-pressure fluid by automatically selecting the water outlets, and finally the device is determined to realize the hydraulic expansion or water cutting function.
Furthermore, the supercharger is provided with a two-way reversing valve and two water outlets and is connected with the energy accumulator, and in the working state, the supercharger continuously and uninterruptedly compresses water sucked from the water tank and sends the water to the energy accumulator for storage.
Further, the water tank capacity sets up to 8L, can provide the water source for plunger pump and booster, guarantees going on and developing of the normal work of device, can effective control device's volume and weight again, has compromise its practicality and portability simultaneously.
Furthermore, the water tank used for storing the power output medium and the cutting medium is set to be in an open source state, water resources can be added and replaced at will, and a filter screen is arranged in the water tank, so that the inclusion of the water tank on the water resources is increased.
Furthermore, the grinding end cover and the hydraulic self-supporting device have certain matching property, and after the grinding end cover and the hydraulic self-supporting device are linked and matched, the hydraulic self-supporting device and the grinding end cover form a crusher which can be used for crushing rocks, concrete and the like. The grinding material can be obtained on site and prepared on site.
Furthermore, the water tank, the plunger pump, the supercharger, the pilot overflow valve, the two-position three-way overflow valve, the hydraulic self-supporting device and the abrasive water cutting device are all in a micro or small scale, so that the device has better portability.
The working principle of the portable hydraulic expanding abrasive water cutting device is as follows: the operator first sets the function to be performed by the device, either hydraulic expansion or abrasive water cutting, then sets the operating pressure of the power system, and then activates the plunger pump to bring the device into operation. When the hydraulic self-supporting device is started, high-pressure fluid is input into a hydraulic cylinder of the hydraulic self-supporting device from the plunger pump, and a piston in the hydraulic cylinder is pushed to move to form mechanical displacement. By utilizing the mechanical displacement, firstly, a large-size material which can be used as an abrasive is placed in an abrasive end cover and is locked on a hydraulic self-supporting device to produce the abrasive; and secondly, the abrasive end cover is removed, and a mechanical support structure of the hydraulic expansion system is utilized to form a safe and stable expansion support effect on an external structure, so that conditions are provided for the next rescue activities. When the abrasive water cutting device is started, high-pressure fluid is input into a double-port hydraulic cylinder of a supercharger from a plunger pump, a piston in the hydraulic cylinder is pushed to reciprocate through a bidirectional reversing valve, the fluid on the left side (right side) of the piston can be compressed to be output into an energy accumulator through an output one-way valve when the piston moves leftwards (rightwards) each time, a low-pressure area is formed on the right side (left side) of the piston, the fluid can flow into the hydraulic cylinder from a water tank through an input one-way valve, the supercharger can output the high-pressure fluid to the energy accumulator continuously in such a reciprocating mode, the pressure in the energy accumulator is guaranteed to be kept and stabilized, and the abrasive water cutting device is guaranteed to output continuous and stable high-speed water.
The invention has the beneficial effects that: according to the invention, the hydraulic self-supporting device is combined with the abrasive water cutting device, and the power is provided by sharing one plunger pump, so that the size of the device can be effectively reduced, the comprehensiveness of the function of the breaking-in rescue device can be considered, and the rescue efficiency and success rate of firemen and other non-professional persons are improved; the invention can produce the abrasive material by using local materials at the rescue site, thereby not only saving the cost of the abrasive material and eliminating the storage and transportation work of the abrasive material, but also obviously improving the cutting capability of the cutting device and greatly improving the portability and the compatibility of the invention.
Drawings
Fig. 1 is an assembly view of a portable hydraulic expanding abrasive water cutting apparatus according to the present invention.
Fig. 2 is a schematic view of a portable hydraulic expanding abrasive water cutting device according to the present invention.
Fig. 3 is a 3D effect diagram of the portable hydraulic self-supporting device and the abrasive end cap of the present invention after assembly.
FIG. 4 is a full sectional view of the portable hydraulic self-supporting device of the present invention assembled with an abrasive tip cap.
Detailed Description
As shown in fig. 1 and 2, the portable hydraulic expanding abrasive water cutting device of the present invention comprises a plunger pump, a water tank, a pilot overflow valve, a two-position three-way overflow valve, a supercharger, an accumulator, a hydraulic self-supporting device, an abrasive end cover and an abrasive water cutting device; the water tank is respectively connected with a plunger pump, a pilot overflow valve and a booster through pipelines, the plunger pump is sequentially and hermetically connected with the pilot overflow valve and a two-position three-way overflow valve, the two-position three-way overflow valve is respectively connected with a hydraulic self-supporting device and the booster, the hydraulic self-supporting device can be selectively connected and matched with an abrasive end cover according to needs to finish the abrasive production and heavy object supporting tasks, the booster is sequentially connected with an energy accumulator and an abrasive water cutting device, the plunger pump and the booster absorb liquid from the water tank, the liquid overflowing out of the overflow valve flows back to the water tank, the abrasive water cutting device is provided with an opening for filling abrasive, and the abrasive and high-speed water jet are mixed and.
As shown in fig. 3 and 4, the bottom of the portable hydraulic self-supporting device is provided with a liquid inlet 4, the top of the shell is provided with a 360-degree all-directional clamping groove 2, the end cover is provided with two clamping groove holes, the pin is inserted into the clamping groove through the clamping groove holes, and the relative position of the abrasive end cover 1 and the hydraulic self-supporting device shell 3 is fixed. High-pressure fluid enters the interior of the hydraulic self-supporting device through the liquid inlet so as to push the piston to move upwards, and because the relative positions of the abrasive end cover and the shell of the hydraulic self-supporting device are fixed, the top surface of the piston and the bottom surface of the abrasive end cover move oppositely, raw materials added into the end cover are crushed under strong pressure, the raw materials become abrasive particles suitable for the abrasive water jet technology, and the cutting capacity is obviously improved.
In one embodiment, the pilot overflow valve can control the output water pressure, accurately control the pressure condition of the device, ensure that all parts of the device are within a safe pressure-bearing range, and the system can also unload the pressure of the whole power system.
In one embodiment, the two-position three-way overflow valve controls the flow direction of high-pressure fluid flowing from the plunger pump and the pilot overflow valve, controls the use selection of the hydraulic self-supporting device and the abrasive water cutting device, and flexibly controls the device to perform emergency rescue operation under various complex conditions.
In one embodiment, the pressure booster and the energy accumulator are matched with each other to continuously accumulate the energy of the fluid delivered by the plunger pump, so that the fluid with higher pressure is formed and enters the energy accumulator to be stored, and the high-pressure abrasive water jet is combined with the abrasive so as to achieve the purpose that the formed high-pressure abrasive water jet has the capability of completing the cutting of various structures such as steel structures, concrete structures, elastic structures and the like.
In one embodiment, the energy accumulator can store a large amount of redundant fluid energy to ensure reasonable utilization of resources, and can provide high-quality continuous high-pressure fluid to ensure that the water cutting device obtains stable high-pressure fluid and outputs stable high-speed fluid, thereby ensuring the strength and the durability of cutting force.
In one embodiment, the water tank capacity is set to be 8L, so that water sources can be provided for the plunger pump and the supercharger, normal work and development of the device are guaranteed, the size and the weight of the device can be effectively controlled, and the practicability and the portability of the device are considered. The water tank used for storing the power output medium and the cutting medium is set to be in an open source state, water resources can be added and replaced at will, and a filter screen is arranged in the water tank, so that the inclusion of the water tank on the water resources is increased.
The device in the embodiment works: when the hydraulic self-supporting device is started, high-pressure fluid is input into a hydraulic cylinder of the hydraulic self-supporting device from the plunger pump, and a piston in the hydraulic cylinder is pushed to move to form mechanical displacement. By utilizing the mechanical displacement, firstly, a large-size material which can be used as an abrasive is placed in an abrasive end cover and is locked on a hydraulic self-supporting device to produce the abrasive; and secondly, the abrasive end cover is removed, and a mechanical support structure of the hydraulic expansion system is utilized to form a safe and stable expansion support effect on an external structure, so that conditions are provided for the next rescue activities. When the abrasive water cutting device is started, high-pressure fluid is input into a double-port hydraulic cylinder of a supercharger from a plunger pump, a piston in the hydraulic cylinder is pushed to reciprocate through a bidirectional reversing valve, the fluid on the left side (right side) of the piston can be compressed to be output into an energy accumulator through an output one-way valve when the piston moves leftwards (rightwards) each time, a low-pressure area is formed on the right side (left side) of the piston, the fluid can flow into the hydraulic cylinder from a water tank through an input one-way valve, the supercharger can output the high-pressure fluid to the energy accumulator continuously in such a reciprocating mode, the pressure in the energy accumulator is guaranteed to be kept and stabilized, and the abrasive water cutting device is guaranteed to output continuous and stable high-speed water.
The specific types of the components are as follows:
in one embodiment, the plunger pump is of the type P series P08-A X-F-R-01 manufactured by Guangdong Itte Hydraulic company Limited, with a maximum allowable pressure of 25.5MPa and a weight of only 9 kg. Not only meets the working pressure of the hydraulic self-supporting device, but also accords with the portability of the hydraulic self-supporting device.
In one embodiment, the supercharger model is a low-flow ultrahigh-pressure HTHG series hydraulic supercharger produced by Shenzhen constant-become hydraulic technology Limited. The supercharging multiple of the hydraulic supercharger can reach 7.0-10.0 times, the input pressure of the hydraulic supercharger is 20MPA under a normal working state, the output pressure of the hydraulic supercharger can be 140-200 MPA, the service condition of the water cutting device is met, and the weight of the hydraulic supercharger is 2.8kg, and the outer diameter size of the hydraulic supercharger is 117.5mmX50 mm.
In one embodiment, the water tank is made of engineering plastics, and has the advantages of light weight, high specific strength, outstanding friction reduction, wear resistance and the like.
In one embodiment, the hydraulic self-supporting device is selected from a Q-type hydraulic jack GYCD-120/570-Q manufactured by Jining great industry and mining equipments, Inc., the expansion force can reach 100KN, and the mass is less than 9 kg. The main components are made of high-strength light alloy by finish machining, and the supporting force is large and the weight is light; can be carried by hand and carried on the back, and has strong maneuverability.
In one embodiment, the water cutting device is a hand-held cutting gun of the type T-S1 manufactured by Hebei Shaoxing Water jet technology development, Inc., which is portable and can perform simple cutting operations.
In conclusion, the portable multifunctional medical instrument is simple in structure, small in size, low in production cost and outstanding in portability. The plunger pump is microminiature type, and has a volume of 0.03m or less3The weight is not more than 10 kg; the supercharger is a small-flow ultrahigh-pressure hydraulic supercharger, and has the advantages of small volume, light weight, high conversion efficiency, high output pressure, low comprehensive cost and weight not exceeding 3 kg; the water tank is made of novel material with high specific rigidity and volume not more than 0.01m3The weight of the water-filled state is not more than 10 kg; the volume and the weight of the hydraulic self-supporting device and the water cutting device are not large, the hydraulic self-supporting device and the water cutting device are taken out from the storage bin during use, and the hydraulic self-supporting device and the water cutting device can be stored during non-use so as to be convenient to transport and carry. The whole set of device has high integration level and good portability. The device not only can meet the requirement of professional personnel for use in daily rescue work, but also can be suitable for other non-professional personnel to carry out rescue activities in emergency situations, the device also realizes the combination of hydraulic expansion and abrasive water cutting, and the abrasive is produced by utilizing the hydraulic expansion, so that the multifunctional performance of the device is realized, the volume of the device can be effectively reduced, the portability of the device is improved, the use efficiency of a plunger pump is improved, the rescue efficiency of fire fighting and disaster relief is greatly improved, and the casualty rate is greatly reduced.
The above-mentioned embodiment is only an example of the present invention, and is not intended to limit the scope of the present invention, and all technical solutions that are the same as or equivalent to the contents of the claims of the present invention should be included in the scope of the present invention.
Claims (2)
1. The utility model provides a portable hydraulic pressure self-supporting abrasive water jet cutting rescue is equipped, includes plunger pump, water tank, guide's type overflow valve, two-position tee bend overflow valve, booster, energy storage ware, hydraulic pressure self-supporting device, abrasive end cover and abrasive water cutting device, its characterized in that: the water tank is respectively connected with a plunger pump, a pilot overflow valve and a booster through pipelines, the plunger pump is sequentially connected with the pilot overflow valve and a two-position three-way overflow valve in a sealing manner, the two-position three-way overflow valve is respectively connected with a hydraulic self-supporting device and the booster, the hydraulic self-supporting device can select whether to be connected with an abrasive end cover to complete abrasive production and a heavy object supporting task according to needs, the booster is sequentially connected with an energy accumulator and an abrasive water cutting device, the plunger pump and the booster absorb liquid from the water tank, the liquid overflowing from the pilot overflow valve flows back to the water tank, the abrasive water cutting device is provided with an opening filled with abrasive, and the abrasive is mixed with high-speed water jet;
the pilot overflow valve is used for controlling the magnitude of the output water pressure and can also unload the pressure of the whole device;
the two-position three-way overflow valve controls the flow direction of high-pressure fluid from the guide overflow valve and controls the use and selection of the hydraulic expansion device and the abrasive water cutting device;
the booster and the accumulator are mutually matched to continuously accumulate the energy of the fluid delivered by the plunger pump, so that the fluid with higher pressure is formed and enters the accumulator to be stored, and the formed high-pressure water jet has the capacity of completing the cutting action.
2. The portable hydraulic self-supporting abrasive water jet cutting rescue apparatus of claim 1, wherein: the booster is provided with a two-way reversing valve and two water outlets and is connected with the energy accumulator, high-pressure fluid is input into a two-port hydraulic cylinder of the booster from a plunger pump, a piston in the hydraulic cylinder is pushed to reciprocate through the two-way reversing valve, fluid on the left side/right side of the piston can be compressed when the piston moves leftwards/rightwards each time, the fluid is output into the energy accumulator through an output one-way valve, meanwhile, a low-pressure area is formed on the right side/left side of the piston, the fluid flows into the two-port hydraulic cylinder from a water tank through the input one-way valve, and the booster continuously outputs the high-pressure fluid to the energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017263.9A CN111085939B (en) | 2020-01-08 | 2020-01-08 | Portable hydraulic self-supporting abrasive water jet cutting rescue equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010017263.9A CN111085939B (en) | 2020-01-08 | 2020-01-08 | Portable hydraulic self-supporting abrasive water jet cutting rescue equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111085939A true CN111085939A (en) | 2020-05-01 |
| CN111085939B CN111085939B (en) | 2021-02-12 |
Family
ID=70399015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010017263.9A Active CN111085939B (en) | 2020-01-08 | 2020-01-08 | Portable hydraulic self-supporting abrasive water jet cutting rescue equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111085939B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173783A (en) * | 2020-01-08 | 2020-05-19 | 中国计量大学 | Portable hydraulic pressure expansion water cutting device |
| CN111805441A (en) * | 2020-08-12 | 2020-10-23 | 天津艾浮瑞特科技有限公司 | Design of supercharging compensation type front mixing type power-supply-free water cutting machine for coal mine |
| CN113368439A (en) * | 2021-05-12 | 2021-09-10 | 奥拓福特种车辆制造有限公司 | Fire-fighting robot with ultrahigh-pressure water cutting function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3606820A (en) * | 1968-11-11 | 1971-09-21 | Massey Ferguson Services Nv | Selector valve for simulataneous operation of multiple actuators |
| JPS56146673A (en) * | 1980-04-11 | 1981-11-14 | Nissho Kisen Kk | Percussion means equipped rotary sweeping type grinder-sweeper |
| US5529530A (en) * | 1994-11-10 | 1996-06-25 | Ltc Americas Inc. | Sealed waste transfer system for vacuum blasting |
| JPH10156723A (en) * | 1996-12-02 | 1998-06-16 | Ebara Corp | Machining device using high pressure water jet |
| AT502034A4 (en) * | 2005-08-25 | 2007-01-15 | Weber Hydraulik Gmbh | HYDRAULIC CONTROL FOR A ROTATION |
| CN204673479U (en) * | 2015-05-03 | 2015-09-30 | 张伟飞 | A kind of water jet cutting mach |
| CN207930515U (en) * | 2018-03-13 | 2018-10-02 | 扬州丽华汽车内饰件有限公司 | A kind of high -pressure water cutting system |
| CN209319580U (en) * | 2019-01-16 | 2019-08-30 | 国家电投集团黄河上游水电开发有限责任公司 | A kind of portable water cutting machine of emergency management and rescue |
| CN110206316A (en) * | 2019-06-13 | 2019-09-06 | 山西汾西华益实业有限公司 | A kind of novel injection concrete equipment |
-
2020
- 2020-01-08 CN CN202010017263.9A patent/CN111085939B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3606820A (en) * | 1968-11-11 | 1971-09-21 | Massey Ferguson Services Nv | Selector valve for simulataneous operation of multiple actuators |
| JPS56146673A (en) * | 1980-04-11 | 1981-11-14 | Nissho Kisen Kk | Percussion means equipped rotary sweeping type grinder-sweeper |
| US5529530A (en) * | 1994-11-10 | 1996-06-25 | Ltc Americas Inc. | Sealed waste transfer system for vacuum blasting |
| JPH10156723A (en) * | 1996-12-02 | 1998-06-16 | Ebara Corp | Machining device using high pressure water jet |
| AT502034A4 (en) * | 2005-08-25 | 2007-01-15 | Weber Hydraulik Gmbh | HYDRAULIC CONTROL FOR A ROTATION |
| CN204673479U (en) * | 2015-05-03 | 2015-09-30 | 张伟飞 | A kind of water jet cutting mach |
| CN207930515U (en) * | 2018-03-13 | 2018-10-02 | 扬州丽华汽车内饰件有限公司 | A kind of high -pressure water cutting system |
| CN209319580U (en) * | 2019-01-16 | 2019-08-30 | 国家电投集团黄河上游水电开发有限责任公司 | A kind of portable water cutting machine of emergency management and rescue |
| CN110206316A (en) * | 2019-06-13 | 2019-09-06 | 山西汾西华益实业有限公司 | A kind of novel injection concrete equipment |
Non-Patent Citations (1)
| Title |
|---|
| 胡马栓等: "高压水射流割缝机液压支撑系统仿真研究", 《煤炭技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173783A (en) * | 2020-01-08 | 2020-05-19 | 中国计量大学 | Portable hydraulic pressure expansion water cutting device |
| CN111173783B (en) * | 2020-01-08 | 2021-07-23 | 中国计量大学 | Portable hydraulic pressure expansion water cutting device |
| CN111805441A (en) * | 2020-08-12 | 2020-10-23 | 天津艾浮瑞特科技有限公司 | Design of supercharging compensation type front mixing type power-supply-free water cutting machine for coal mine |
| CN113368439A (en) * | 2021-05-12 | 2021-09-10 | 奥拓福特种车辆制造有限公司 | Fire-fighting robot with ultrahigh-pressure water cutting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111085939B (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111085939B (en) | Portable hydraulic self-supporting abrasive water jet cutting rescue equipment | |
| CN105397817A (en) | Emergency rescue robot | |
| CN101961537B (en) | High-energy battery water mist fire-extinguishing trolley | |
| CN111173783B (en) | Portable hydraulic pressure expansion water cutting device | |
| CN102390312A (en) | Diesel power generating set multifunctional mobile emergency engineering vehicle | |
| CN201363327Y (en) | Hydraulic system applied to fire rescue motorcycle | |
| CN112060001B (en) | Rescue is with cutting broken expansion pincers and control system of tearing open | |
| CN201760013U (en) | High energy battery water mist fire-extinguishing wheelbarrow | |
| CN104669445B (en) | A kind of fire-fighting emergent rescue diamond bead hydraulic pressure rope saw and method of work thereof | |
| CN212601621U (en) | Shearing, breaking and disassembling expanding pliers for rescue | |
| CN108553778A (en) | The Hydraulic Power System worked at the same time for fire monitor, big flow fire-fighting lance | |
| CN201610876U (en) | Hydraulic device for hydraulic rescue tool | |
| CN206275941U (en) | One kind is applicable the portable air-stored movement compressed air foam extinguishing structure of many occasions | |
| CN201711009U (en) | Portable filter | |
| CN214019003U (en) | Light cold cutting fire engine | |
| CN102423520B (en) | Multistage combined flow-increasing pressure-increasing device | |
| CN103574282A (en) | Nitrogen charging device | |
| CN220227095U (en) | Hydraulic pump | |
| CN210565393U (en) | Novel energy storage hydraulic system of offshore platform | |
| CN208319762U (en) | The Hydraulic Power System worked at the same time for fire monitor, big flow fire-fighting lance | |
| CN213527232U (en) | Vehicle-mounted premixed compressed gas foam fire extinguishing device | |
| CN214464709U (en) | Novel hand pump | |
| CN220015251U (en) | Coal uncovering anti-burst water supply rescue system for complicated-structure gas outburst tunnel | |
| US11703066B2 (en) | Hydraulic power pack system | |
| CN207077016U (en) | A kind of electric hydaulic clipper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |