CN212058506U - Portable underground on-site emulsion explosive loading vehicle - Google Patents

Portable underground on-site emulsion explosive loading vehicle Download PDF

Info

Publication number
CN212058506U
CN212058506U CN202020691837.6U CN202020691837U CN212058506U CN 212058506 U CN212058506 U CN 212058506U CN 202020691837 U CN202020691837 U CN 202020691837U CN 212058506 U CN212058506 U CN 212058506U
Authority
CN
China
Prior art keywords
emulsion explosive
pumping system
hydraulic
mixed emulsion
chassis
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.)
Active
Application number
CN202020691837.6U
Other languages
Chinese (zh)
Inventor
张宇
张开伟
张吉刚
简玉林
陈双喜
唐洪海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Panjiang Civil Explosive Co ltd
Original Assignee
Guizhou Panjiang Civil Explosive Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Panjiang Civil Explosive Co ltd filed Critical Guizhou Panjiang Civil Explosive Co ltd
Priority to CN202020691837.6U priority Critical patent/CN212058506U/en
Application granted granted Critical
Publication of CN212058506U publication Critical patent/CN212058506U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a portable scene loads in mixture emulsion explosive charging vehicle in pit, including the chassis, be equipped with the driver's cabin in the chassis front portion, the rear portion is equipped with the frame platform, is equipped with scene loads in mixture emulsion explosive preparation facilities and pencil conveying system in the pit at frame platform middle part, and the left side is equipped with the toolbox, and the right side is equipped with the automatically controlled hydraulic drive system who is used for controlling scene loads in mixture emulsion explosive preparation facilities preparation emulsion explosive in the pit. During charging, a worker holds a remote controller by hand to carry out remote control, operates an electric control hydraulic driving system to control the underground field mixed emulsion explosive preparing device to prepare the emulsion explosive, and injects the emulsion explosive into the blast hole to complete charging. The utility model has simple structure, low manufacturing cost and use cost, light and flexible whole vehicle, and flexible movement in narrow space under the well; meanwhile, the use of hydraulic parts and electrical elements is reduced, the manufacturing cost and the use cost of the equipment are low, the equipment is not easy to damage in a severe underground environment, and the maintenance labor and the maintenance cost are reduced.

Description

Portable underground on-site emulsion explosive loading vehicle
Technical Field
The utility model relates to a portable underground on-spot emulsion explosive charging vehicle that loads in mixture belongs to underground mining, civilian and explodes equipment and engineering machine tool technical field.
Background
In drilling, blasting, shoveling and transporting four main links of large and medium underground mining in China, the blasting link needs to be mixed with emulsion explosive on site, most of underground explosive charging equipment adopted at present is a mixed emulsion explosive charging trolley on site, the underground explosive charging trolley mainly comprises a chassis, a cab, a mixed emulsion explosive preparation device on the underground site, a lifting arm, a hanging basket installed on the lifting arm and the like, when charging, a driver drives the trolley to be close to a blast hole, holds an injection pipe by a worker and stands on the hanging basket, the driver controls the lifting arm to move to lift the hanging basket to the blast hole, the worker inserts the injection pipe into the blast hole and injects the mixed emulsion explosive into the blast hole, and the mixed emulsion explosive charging trolley has the advantages of convenience in charging, time saving and labor saving in charging and the like. But its structure is complicated, and manufacturing cost is higher, and use cost and maintenance cost are higher, have improved construction cost greatly to whole car is bulky, heavy, in the borehole operation in-process, receive space restriction operation inconvenience, and the dexterity is not enough, and it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a portable scene loads emulsion explosive charging vehicle in mixture in pit can overcome prior art's not enough.
The utility model aims at realizing through the following technical scheme:
a portable underground on-site mixed emulsion explosive charging vehicle comprises a chassis, wherein a cab is arranged at the front part of the chassis, a vehicle frame platform is arranged at the rear part of the chassis, an underground on-site mixed emulsion explosive preparation device and a charge pipe conveying system are arranged in the middle of the vehicle frame platform, a tool box and an electric control hydraulic driving system for controlling the underground on-site mixed emulsion explosive preparation device to prepare emulsion explosives are arranged on the side part of the vehicle frame platform.
The electric control hydraulic driving system comprises a control cabinet and a hydraulic driving system connected with the control cabinet; the control cabinet is in signal connection with a remote controller, and the hydraulic driving system is connected with the underground on-site mixed emulsion explosive preparation device.
The device for preparing the underground on-site mixed emulsion explosive comprises a pumping system, wherein the pumping system comprises an emulsion matrix pumping system, a sensitizing pumping system and a catalytic pumping system, and the feeding ends of the emulsion matrix pumping system, the sensitizing pumping system and the catalytic pumping system are respectively and correspondingly connected with an emulsion matrix storage tank, a sensitizing agent feed box and a catalyst feed box; the discharge ends of the latex matrix pumping system and the catalytic pumping system are respectively connected to the catalytic mixer, and the discharge ends of the catalytic mixer and the sensitization pumping system are respectively connected with the sensitization water ring device and the tail end mixer in sequence through the chemical pipe conveying system.
The hydraulic driving system comprises a hydraulic oil tank which is sequentially connected with a hydraulic pump and a hydraulic linear motor through a hydraulic pipe system, and the hydraulic linear motor is respectively connected with a latex matrix pumping system, a sensitization pumping system and a catalysis pumping system through a double-connecting-rod mechanism.
The hydraulic piping is provided with a hydraulic proportional valve electrically connected with the control cabinet.
The double-link mechanism is provided with a proximity switch electrically connected with the control cabinet.
The latex matrix pumping system, the sensitization pumping system and the catalysis pumping system are respectively a latex matrix plunger pump, a sensitization plunger pump and a catalysis plunger pump.
The medicine tube conveying system comprises a medicine conveying tube reel and a medicine conveying tube, wherein one end of the medicine conveying tube is wound on the medicine conveying tube reel, and the other end of the medicine conveying tube is sequentially connected with the sensitized water ring device and the tail end mixer.
The chassis is a mining wet brake chassis.
The shell structure of the cab comprises a cab frame, wherein a windshield is arranged at the front part of the cab frame, and a safety protection top is arranged at the top part of the cab frame.
Compared with the prior art, the utility model discloses a portable underground on-site mixed emulsion explosive charging vehicle, which comprises a chassis, wherein the front part of the chassis is provided with a cab, the rear part of the chassis is provided with a frame platform, the middle part of the frame platform is provided with an underground on-site mixed emulsion explosive preparation device and a charge pipe conveying system, and the lateral part of the chassis is provided with a tool box and an electric control hydraulic driving system; the electric control hydraulic driving system is connected with the underground on-site mixed emulsion explosive preparation device, and the explosive tube conveying system comprises an explosive tube reel and an explosive tube. During charging, the end mixer connected with the charge conveying pipe is inserted into a preset blast hole, a worker operates the electric control hydraulic driving system through a remote controller to control the underground on-site mixed emulsion explosive preparing device to prepare emulsion explosive, and the emulsion explosive is injected into the blast hole to complete charging. This design is improved current powder charge platform truck, simplifies whole car structure to the lifting arm and the hanging flower basket structure of current powder charge platform truck have been cancelled, make whole car light dexterous more, make it not receive space restriction in the pit and interfere, and remote control operation is convenient safety more.
In addition, the latex matrix pumping system, the sensitization pumping system and the catalysis pumping system are adopted to realize a matrix catalysis and emulsification double-mixing process, the traditional process of adding acid into the matrix for catalysis is changed by adding the catalysis pumping system, the problems that the storage period and the shock resistance of the matrix can be greatly reduced after the matrix is added with acid can be solved, and the influences of the temperature of the latex matrix, the environmental temperature, the viscosity of the latex matrix and the like are caused after the acid is added for catalysis, so that the foaming and sensitization time of end charging is shortened, and the explosive quality is improved. And the plunger quantitative pumping is adopted, manual adjustment is not needed, and the charging precision is improved.
The utility model has the advantages that:
(1) the utility model has simple structure, low manufacturing cost and use cost, light and flexible whole vehicle, and flexible movement in narrow space under the well; meanwhile, in the aspect of control, the use of electrical elements is reduced, the manufacturing cost and the use cost of equipment are low, the underground severe environment is not easy to damage, and the maintenance labor and the maintenance cost are reduced.
(2) The mixed emulsion explosive preparation device of the utility model avoids the influence of acid addition in the water phase of the matrix on the quality of the latex matrix by adopting the process of adding acid outside the matrix, and can improve the storage period and the shock resistance of the latex; and the substrate after mixed catalysis and a sensitization pumping system realize terminal mixed sensitization, so that the sensitization process can not be influenced by the temperature of the emulsion base, the environmental temperature and the viscosity, the sensitization time can be controlled within 20 minutes, and the quality of the mixed emulsion explosive in the underground tunneling field is greatly improved. Each pumping system adopts quantitative plunger pumping, manual control is not needed, the effect of synchronous plunger pumping can be achieved through the link control of the main matrix pump and the adoption of one set of driving device, the structure is simple, the cost is low, the pumping continuity and stability are good, and the production efficiency is higher; and the used electrical equipment is less, the equipment is less influenced by the underground environment, the production cost is low, and the economic benefit is good.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic side view of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic flow chart of on-site mixing of emulsion explosives.
FIG. 4 is a schematic diagram of the structure of the end mixer.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in figures 1-4, the utility model discloses a portable scene loads in mixture emulsion explosive charging vehicle in pit, it includes chassis 1, is equipped with driver's cabin 2 in chassis 1 front portion, and the rear portion is equipped with frame platform 3, is equipped with scene loads in mixture emulsion explosive preparation facilities 4 and powder pipe conveying system 5 in the pit at frame platform 3 middle part, and the lateral part is equipped with toolbox 6, and is used for controlling the scene loads in mixture emulsion explosive preparation facilities 4 preparation emulsion explosive's automatically controlled hydraulic drive system 7 in the pit.
The electric control hydraulic driving system 7 comprises a control cabinet 71 and a hydraulic driving system 72 connected with the control cabinet; the control cabinet 71 is in signal connection with a remote controller, and a worker can remotely control the control cabinet 71 by holding the remote controller.
The downhole on-site mixed emulsion explosive preparation device 4 comprises a pumping system 44, wherein the pumping system 44 comprises an emulsion matrix pumping system 441, a sensitizing pumping system 442 and a catalytic pumping system 443, and the feeding ends of the emulsion matrix pumping system 441, the sensitizing pumping system 442 and the catalytic pumping system 443 are correspondingly connected with an emulsion matrix storage tank 41, a sensitizing agent storage tank 42 and a catalyst storage tank 43 respectively; the discharge ends of the latex matrix pumping system 441 and the catalytic pumping system 443 are respectively connected to the catalytic mixer 45, and the discharge ends of the catalytic mixer 45 and the sensitization pumping system 442 are respectively connected with the sensitization water ring device 46 and the end mixer 47 through the drug pipe conveying system 5. The latex matrix pumping system 441, the sensitization pumping system 442 and the catalysis pumping system 443 are respectively a latex matrix plunger pump, a sensitization plunger pump and a catalysis plunger pump; the discharge ports of the latex matrix storage tank 41, the sensitizer bin 42 and the catalyst bin 43 are respectively and correspondingly connected with the feed ends of the latex matrix plunger pump, the sensitizing plunger pump and the catalytic plunger pump through a latex feed pipe, a sensitizing feed pipe and a catalytic feed pipe, and the discharge ends of the latex matrix plunger pump and the catalytic plunger pump are respectively connected to the catalytic mixer 45 through a latex conveying pipe and a catalytic conveying pipe; and the discharge end of the sensitization pumping system 442 is connected with the drug tube conveying system 5 through a sensitization conveying pipe and the discharge end of the catalytic mixer 45 respectively, and the discharge end of the drug tube conveying system 5 is connected with the terminal mixer 47 through the sensitization water ring device 46. When the charging operation is carried out, the electric control hydraulic driving system 7 firstly controls the latex matrix pumping system 441 and the catalytic pumping system 443 to send the latex matrix in the latex matrix storage tank 41 and the catalyst in the catalyst feed box 43 to the catalytic mixer 45, so as to realize the catalysis of the latex matrix; meanwhile, the sensitizing pumping system 442 is controlled to convey the sensitizing agent in the sensitizing agent bin 42 to the sensitizing water ring device 46 through the chemical pipe conveying system 5, so that the sensitizing agent forms a water ring on the inner wall of the sensitizing water ring device, and the catalyzed latex matrix in the catalytic mixer 45 is conveyed to the sensitizing water ring device 46 through the chemical pipe conveying system 5 and flows out of the center of the sensitizing water ring device; the three raw materials enter a tail end mixer 47 to realize tail end mixing and ejection, and an emulsion explosive is prepared and filled into a blast hole.
The hydraulic driving system 72 comprises a hydraulic oil tank 721 which is sequentially connected with a hydraulic pump 722 and a hydraulic linear motor 723 through a hydraulic pipe system, the hydraulic linear motor 723 is respectively connected with a latex matrix plunger pump, a sensitization plunger pump and a catalysis plunger pump through a double-link mechanism 725, and the hydraulic linear motor 723 and the double-link mechanism 725 are combined to synchronously drive three sets of plunger pumps to pump. The hydraulic piping system is provided with a hydraulic proportional valve 724 electrically connected with the control cabinet 71, and control information is sent to the hydraulic proportional valve 724 through the control cabinet 71 so as to control the hydraulic linear motor 723 to regulate and control the pumping capacity of each plunger pump.
The double-connecting-rod mechanism 725 comprises a main connecting rod connected with the latex matrix plunger pump, a first branch connecting rod connected with the sensitization plunger pump and a second branch connecting rod connected with the catalysis plunger pump, and the main connecting rod, the first branch connecting rod and the second branch connecting rod are interconnected to form the double-connecting-rod mechanism 725; and are provided at their interconnection with proximity switches 726 that are electrically connected to the control cabinet 71. The latex matrix plunger pump is controlled by the hydraulic linear motor 723 through the control cabinet 71 and an electric control system thereof to run up and down, the proximity switch 726 of the connecting rod senses plunger number metering of the latex matrix plunger pump, counting is carried out through the PLC of the control cabinet 71, the PLC controls and adjusts the switch of the hydraulic proportional valve 724, and metering and charging of the latex matrix plunger pump, the sensitization plunger pump and the catalysis plunger pump are achieved.
The latex conveying pipe is a high-pressure liquid pipe; the sensitization inlet pipe, catalysis inlet pipe are transparent plastic tubing, are convenient for observe the liquid condition of flowing, sensitization conveyer pipe, catalysis conveyer pipe are high-pressure metal collapsible tube, all are equipped with rivers indicator 46 on every high-pressure metal collapsible tube's way. The rotation condition of the impeller of the water flow indicator 46 is observed by an operator, so that whether the pressure relief or air leakage phenomenon exists in the plunger pump can be found in advance, the quality problem of the non-sensitized explosive in the loading hole is avoided, and the stable quality of the underground emulsion explosive product is ensured.
The explosive tube conveying system 5 comprises an explosive tube reel 51 and an explosive tube 52, one end of the explosive tube 52 is wound on the explosive tube reel 51 and is connected with the discharge ends of the sensitization conveying pipe and the catalytic mixer 45, the other end of the explosive tube is sequentially connected with the sensitization water ring device 46 and the tail end mixer 47, and emulsion explosive is conveyed into a blast hole under the action of the tail end mixer 47.
The catalytic mixer 45 is an SX type static mixer.
Referring to fig. 4, the tip mixer 47 includes a mixer body 471, the feed end of the mixer body 471 being threadably connected to a quick-connect fitting 472, and the discharge end being threadably connected to a spray head 473; the quick connector 472 can be quickly assembled and disassembled with a feeding pipeline; the spray head 473 can realize high-speed spraying and ensure uniform sensitization and mixing; a compression zone 4711, a mixing zone 4712 and a spray zone 4713 are sequentially arranged at the axial line of the mixer body 471 from the feed end; the compression zone 4711 comprises a conical diversion trench, the bottom of which is provided with a compression hole 4714 extending to the mixing zone 4712; an SX static mixing core is arranged in the mixing zone 4712; after catalysis, the latex matrix and the sensitizing agent enter the tail end mixer 47, compression mixing is achieved through the conical diversion trench, high-speed injection is achieved through the compression holes 4714 in the bottom of the tank and enters the SX static mixing core, efficient mixing is achieved, and finally secondary high-speed injection is achieved through the spray head 473, so that sensitization stability can be improved, the catalyst and the sensitizing agent are fully mixed and sensitized, and the explosive density is stable due to the fact that the foaming speed is stable.
The cone angle A of the conical diversion trench of the compression region 4711 is 75-76 degrees; the aperture of the compression holes 4714 is phi 6-phi 6.5.
The axial line of the spray head 473 is provided with a conical diversion hole 4731 and a compression jet hole 4732 which are connected from the feed end; the cone angle B of the conical diversion hole 4731 is 80-82 degrees; the aperture of the compression injection hole 4732 is phi 7.5-phi 8.
The mixer body 471 of the end mixer is made of high pressure resistant nylon plastic, and the end mixer is light in weight, so that the pipe inserting process of workers is more convenient and labor-saving.
The chassis 1 is an existing mining wet brake, and is low in cost, light and flexible.
The shell structure of the cab 2 comprises a cab frame 21, a windshield 22 is arranged at the front part of the cab frame 21, and a safety protection roof 23 is arranged at the top part of the cab frame. The structure is simple and light, and the manufacturing cost is low.

Claims (10)

1. The utility model provides a portable scene loads emulsion explosive charging vehicle in mixture in pit, includes chassis (1), its characterized in that: the front part of the chassis (1) is provided with a cab (2), the rear part of the chassis is provided with a frame platform (3), the middle part of the frame platform (3) is provided with an underground on-site mixed emulsion explosive preparation device (4) and a charge pipe conveying system (5), and the lateral part of the chassis is provided with a tool box (6) and an electric control hydraulic driving system (7) for controlling the underground on-site mixed emulsion explosive preparation device (4) to prepare emulsion explosive.
2. The portable downhole field mixed emulsion explosive loading truck according to claim 1, wherein: the electric control hydraulic driving system (7) comprises a control cabinet (71) and a hydraulic driving system (72) connected with the control cabinet; the control cabinet (71) is in signal connection with a remote controller, and the hydraulic driving system (72) is connected with the underground on-site mixed emulsion explosive preparation device (4).
3. The portable downhole field mixed emulsion explosive loading truck according to claim 1 or 2, wherein: the underground on-site mixed emulsion explosive preparation device (4) comprises a pumping system (44), wherein the pumping system (44) comprises an emulsion matrix pumping system (441), a sensitizing pumping system (442) and a catalytic pumping system (443), and the feeding ends of the pumping system (44) are correspondingly connected with an emulsion matrix storage tank (41), a sensitizing agent bin (42) and a catalyst bin (43) respectively; the discharge ends of the latex matrix pumping system (441) and the catalytic pumping system (443) are respectively connected to the catalytic mixer (45), and the discharge ends of the catalytic mixer (45) and the sensitization pumping system (442) are respectively connected with the sensitization water ring device (46) and the tail end mixer (47) in sequence through the drug tube conveying system (5).
4. The portable downhole field mixed emulsion explosive loading truck according to claim 3, wherein: the hydraulic drive system (72) includes a hydraulic oil tank (721) connected in turn to a hydraulic pump (722) and a hydraulic linear motor (723) through hydraulic piping, the hydraulic linear motor (723) being connected to an emulsion-based pumping system (441), a sensitization pumping system (442), and a catalytic pumping system (443) respectively through a double link mechanism (725).
5. The portable downhole field mixed emulsion explosive loading truck according to claim 4, wherein: the hydraulic piping system is provided with a hydraulic proportional valve (724) electrically connected to the control cabinet (71).
6. The portable downhole field mixed emulsion explosive loading truck according to claim 4, wherein: the double link mechanism (725) is provided with a proximity switch (726) electrically connected to the control cabinet (71).
7. The portable downhole field mixed emulsion explosive loading truck according to claim 4, wherein: the latex matrix pumping system (441), the sensitization pumping system (442), and the catalysis pumping system (443) are a latex matrix plunger pump, a sensitization plunger pump, and a catalysis plunger pump, respectively.
8. The portable downhole field mixed emulsion explosive loading truck according to claim 3, wherein: the drug delivery pipe conveying system (5) comprises a drug delivery pipe reel (51) and a drug delivery pipe (52) wound on the drug delivery pipe reel (51).
9. The portable downhole field mixed emulsion explosive loading truck according to claim 1, wherein: the chassis (1) is a mining wet brake chassis.
10. The portable downhole field mixed emulsion explosive loading truck according to claim 1, wherein: the shell structure of the cab (2) comprises a cab frame (21), a windshield (22) is arranged at the front part of the cab frame (21), and a safety protective roof (23) is arranged at the top part of the cab frame.
CN202020691837.6U 2020-04-29 2020-04-29 Portable underground on-site emulsion explosive loading vehicle Active CN212058506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020691837.6U CN212058506U (en) 2020-04-29 2020-04-29 Portable underground on-site emulsion explosive loading vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020691837.6U CN212058506U (en) 2020-04-29 2020-04-29 Portable underground on-site emulsion explosive loading vehicle

Publications (1)

Publication Number Publication Date
CN212058506U true CN212058506U (en) 2020-12-01

Family

ID=73518424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020691837.6U Active CN212058506U (en) 2020-04-29 2020-04-29 Portable underground on-site emulsion explosive loading vehicle

Country Status (1)

Country Link
CN (1) CN212058506U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113624084A (en) * 2021-07-20 2021-11-09 湖南金聚能科技有限公司 A trigeminy plunger pump that is used for on-spot muddy dress emulsion explosive car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113624084A (en) * 2021-07-20 2021-11-09 湖南金聚能科技有限公司 A trigeminy plunger pump that is used for on-spot muddy dress emulsion explosive car

Similar Documents

Publication Publication Date Title
CN104949593B (en) Underground on-site mixed explosives truck
CN101968334A (en) Underground in-situ emulsified explosive mixed charging vehicle
CN103204751B (en) A kind of emulsified detonator loading machine
WO2016045078A1 (en) In-site explosive loading truck for intrinsic safety-type emulsion explosive
CN212058506U (en) Portable underground on-site emulsion explosive loading vehicle
CN104949594A (en) Method for loading explosive in fields in mixed manner on basis of underground explosive loading trucks
CN203212502U (en) Emulsion explosive charging machine
CN108331351A (en) Integral type duplex concrete supply casting system and Supply Method
CN116241258A (en) Intelligent emulsion explosive charging trolley and construction method
CN111852552A (en) Filling slurry preparation system and preparation method thereof
CN202415397U (en) Multifunctional onsite mixing and charging truck for emulsified ammonium nitrate fuel oil explosives
CN210512874U (en) On-site mixed emulsion explosive loading trolley
CN204630495U (en) Underground on-site mixed explosives truck
CN113899272A (en) Explosive loading equipment and construction method
CN203412597U (en) Combined wet concrete wet spraying machine
CN207794629U (en) Integral type duplex concrete supply casting system
CN214892903U (en) Underground explosive loader for emulsion explosive
RU173061U1 (en) MIXING CHARGING MACHINE
CN213179691U (en) Emulsion explosive loading trolley
CN111320512B (en) Plunger type double-mixing system of underground emulsion explosive
CN203974817U (en) From charging liftable mining trolley
CN209355794U (en) Split type underground site mixed emulsified explosive car
RU2668630C2 (en) Mixing-charging machine for underground mining works
RU166670U1 (en) MIXING-CHARGING INSTALLATION OF PRODUCTION OF EXPLOSIVES AND LOADING OF WELLS
CN218953345U (en) Anchor rod hole orifice grouting device and construction equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant