CN103661072A - Underground granular explosive loading service cart - Google Patents
Underground granular explosive loading service cart Download PDFInfo
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- CN103661072A CN103661072A CN201310731977.6A CN201310731977A CN103661072A CN 103661072 A CN103661072 A CN 103661072A CN 201310731977 A CN201310731977 A CN 201310731977A CN 103661072 A CN103661072 A CN 103661072A
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Abstract
The invention discloses an underground granular explosive loading service cart, and belongs to the technical field of minelite filling. The underground granular explosive loading service cart comprises a front frame chassis and a rear frame chassis. An engine tandem pump assembly, a front drive wheel bridge, an electrical control system, an operating console, a hydraulic oil tank and a fuel tank are fixed to the front frame chassis. A rear driving wheel bridge, a work arm, an explosive loading system, an air compressor and a pneumatic system are arranged on the rear frame chassis. The front frame chassis is connected with the rear frame chassis through a central hinge device and a steering oil cylinder. The explosive loading system is connected with the air compressor and an air duct of the pneumatic system. A front frame and a rear frame are in a central hinged mode, and a hydrostatic drive technology, a double-motor four-wheel drive technology and a hydraulic steering chassis walking technology are adopted, so that the underground granular explosive loading service cart is high in mechanical performance and grade ability, good in cross-country performance, free of potential safety hazards and low in manual labor intensity and can be suitable for poor working conditions of underground mines, tunnels, underground building engineering and the like and overcome the defects in the prior art, and explosives can be conveniently and quickly loaded.
Description
Technical field
The invention belongs to minelite filling technique field, relate to a kind of subterranean particle shaped explosive charge powder charge servicer.
Background technology
In the underground constructions such as mining, tunnel, usually need blasting operation, be the big gun hole that rock drill gets out certain depth mostly, insert again explosive, traditional powder charge is to adopt artificial tamper powder charge and obstruction, because blast hole depth is deep, manually fills out drug effect rate lower, mining or excavation operation cycle time have been extended, and charging quality is poor, demolition effect can not effectively be guaranteed, extended mining or excavation operation cycle time, and charging quality is poor, demolition effect can not effectively be guaranteed.In addition, powder charge labor strength is large, and for a long time at digging barnyard, has larger potential safety hazard.
Along with scientific and technical development, explosive loader replaces manual charging very common in underground works, the explosive loader using is at present powdery tnt explosive explosive loader mostly, as patent, for CN200620124911.6 provides a kind of overhead type porous particulated ammonium oil explosive, mix explosive loading truck processed, comprise operator's compartment, control desk, chassis, drug storage container, armed lever, batch mixing conveying mechanism, rotating mechanism, hydraulic gear, drug storage container is arranged on chassis, passes through respectively pipeline, valve, pump, metering device communicates with batch mixing conveying mechanism, and the spice after batch mixing is delivered to by conveying mechanism the conveying mouth arranging on armed lever and packed big gun hole into, and it also comprises a vertical spin, be vertically set on chassis rear portion, for pipeline configuration, pipeline inside spin conveyer is carried spice, two ends respectively with armed lever, batch mixing conveying mechanism communicates, and vertical spin divides, lower two parts, lower part is fixed on chassis, and the first half connects armed lever and can rotate simultaneously, and rotating mechanism is arranged on vertical spin, between lower two parts, armed lever is arranged at the top of drug storage container on car.But powdery tnt explosive explosive loader has the following disadvantages: the first, and back powder, in powder charge process, explosive powder overflows from big gun aperture under the effect of air pressure, pollutes the scope of operation, makes operating personal produce uncomfortable sensation, causes the waste of explosive simultaneously; The second, powder charge process is wayward, and demolition effect is poor, and powder type explosive is mixing with air, and in big gun hole, degree of firmness are not identical everywhere, exist the charging quality problem of different defects, affect demolition effect; The even vacancy having, causes miso-fire, has potential safety hazard thereupon, affects ore recovery ratio; The 3rd, powder type explosive water resistant is poor, and blasting fume poison gas weight is used harm larger in down-hole.
Summary of the invention
The shortcoming that the present invention exists in order to overcome prior art, provides a kind of subterranean particle shaped explosive charge powder charge servicer, solves manual charging's intensity large, operation process potential safety hazard is large, and charging quality is not high, and demolition effect is unstable, powder type explosive servicer powder charge process is wayward, the problem that waterproof property is poor.
Technical scheme of the present invention is achieved in the following ways:
A subterranean particle shaped explosive charge powder charge servicer, comprises front vehicle frame chassis and rear frame chassis, is fixed with driving engine pumps in series assembly, front driving wheel bridge, electric control system, operating console, hydraulic reservoir, fuel tank on described front vehicle frame chassis; Described rear frame chassis is provided with rear drive sprocket bridge, working arm, powder charge system and Air compressor and pneumatic system, and described front vehicle frame chassis is connected with steering cylinder by central articulated mounting with rear frame chassis; Described powder charge system is connected with Air compressor and pneumatic system air flue.
Further, described powder charge system comprises powder charge tank, LOAD CELLS and intelligent weighing controller, and LOAD CELLS is arranged between powder charge tank and rear frame chassis, can be connected with LOAD CELLS circuit by weighing controller; There is powder charge lid described powder charge tank top, top-side two-position three-way valve and safety valve, and side, middle part is provided with powder removing valve, connects quick coupling on powder removing valve.
Further, Air compressor and pneumatic system are divided into two air flues, Yi Bian by pressure regulating valve I, be connected with two-position three-way valve air flue, another side is connected with the lower admission port air flue under powder charge tank by pressure regulating valve II, wherein in pressure regulating valve I, there is compression indicator I, in pressure regulating valve II, have compression indicator II.
Further, described working arm is socketed to form by principal arm and inner arm, and working arm is provided with a telescoping cylinder, to drive whole working arm to elongate or shorten motion; On working arm, be also provided with one and face upward bow cylinder and an oscillating cylinder, be respectively used to drive whole working arm to do to face upward up and down the motion and swinging of bowing, on working arm, be also provided with hanging basket, hanging basket is provided with operating handle and Oil Switch, operating handle can be controlled the balance of flexible, pitching, swing and the hanging basket of working arm in hanging basket, be beneficial to make hanging basket convenient, realize quickly the aligning in each big gun hole, orientation, Oil Switch is controlled the speed of each action movement of working arm.
Further, in described rear frame chassis, there is hydraulic ram, hydraulic ram is four, rear portion hydraulic ram is provided with can increase the expansion of hydraulic ram developed width oil cylinder, and when whole explosive loading truck walking, it is in retracted mode, when whole explosive loading truck is during in powder charge, it stretches out in deployed condition, is beneficial to and strengthens supporting leg width, increases stability.
Further, rear vehicle frame domain mud guard is provided with two groups of operating handles, and wherein one group of operating handle can be controlled on ground each action of working arm; Another group is controlled supporting leg and is launched the action of oil cylinder.Described rear frame chassis afterbody is provided with Reverse Sensor, front vehicle frame chassis is provided with warning, operating console is provided with back-up video and throttle change-over swith, and Reverse Sensor, warning, back-up video and throttle change-over swith are connected with electric control system by cable.Work as reversing, when chance afterbody has obstacle, Reverse Sensor signal is passed to warning, alerting safety traffic, and meanwhile, back-up video can show tailstock situation; By throttle change-over swith, can realize the controlling point of throttle in operator's compartment or on hanging basket.
Beneficial effect of the present invention is: the present invention is by adopting the single power-driven system of driving engine, do not need to change at the scene extraneous power supply or source of the gas, operation saves time conveniently, the power supply that the electricity consumption of all illuminations and electric-control system all carries from driving engine, the hydraulic power source that all walkings and charging work actuating unit all come free driving engine pumps in series assembly to produce, Air compressor and pneumatic system that drug delivery source of the gas comes free hydraulic efficiency pressure system to drive.By front/rear frame, central authorities are hinged, hydrostatic transmissions technology, and double motor four wheel drive technology and fluid-link steering chassis walking technology can reach voluntarily powder charge scene under severe road conditions condition.Maneuvering performance of the present invention is strong, and off-road capability is good, and hill climbing ability is strong, can adapt to the bad working environments such as underground mine, tunnel, infrastructure engineering; Powder charge quickly and easily; Meet the medium-length hole Charge requirement that modern mining method requires, loading rate is high, and charging quality is good, and without potential safety hazard, hand labor intensity is low, overcomes the deficiency of existing filling powdery explosives servicer simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is birds-eye view of the present invention;
Wherein: 1-operating console, 2-electric control system, 3-canopy, 4-driving engine pumps in series assembly, 5-front vehicle frame chassis, 6-change speed gear box, 7-warning, 8-central authorities articulated mounting, 9-compression indicator I, 10-compression indicator II, 11-LOAD CELLS, 12-two-position three-way valve, 13-safety valve, 14-medicinal cupping lid, 15-powder charge is filled with, 16-working arm, 17-hanging basket, 18-hydraulic ram, frame chassis after 19-, 20-rear drive sprocket bridge, 21-powder removing valve, 22-quick coupling, 23-pressure regulating valve II, 24-pressure regulating valve I, 25-steering cylinder, 26-front driving wheel bridge, 27-operating handle, 28-Oil Switch, 29-Reverse Sensor, 30-operating handle, 31-intelligent weighing controller, 32-hydraulic reservoir, 33-Air compressor and pneumatic system, 34-fuel tank, 35-throttle change-over swith, 36-back-up video.
The specific embodiment
Below in conjunction with accompanying drawing, further describe technical scheme of the present invention,
As Fig. 1 and Fig. 2 as shown in a kind of subterranean particle explosive loading servicer, comprise front vehicle frame chassis 5, rear frame chassis 19, on front vehicle frame chassis, be fixed with driving engine pumps in series assembly 4, front driving wheel bridge 26, change speed gear box 6, electric control system 2, operating console 1, hydraulic reservoir 32, fuel tank 34, rear frame chassis 19 is provided with rear drive sprocket bridge 20, Air compressor and pneumatic system 33, powder charge system, working arm 16; Front vehicle frame chassis 5 is connected with rear vehicle frame domain 19 with steering cylinder 25 by central articulated mounting 8.
Rear frame chassis 19 is provided with four hydraulic rams 18, rear portion hydraulic ram 18 is provided with can increase the expansion of hydraulic ram developed width oil cylinder, when whole explosive loading truck walking, it is in retracted mode, when whole explosive loading truck is during in powder charge, it stretches out in deployed condition, is beneficial to and strengthens supporting leg width, increases stability.
Described working arm 16 is socketed to form by principal arm and inner arm, and working arm 16 is provided with a telescoping cylinder, to drive whole working arm 16 to elongate or shorten motion; On working arm 16, be also provided with one and face upward bow cylinder and an oscillating cylinder, be respectively used to drive whole working arm 16 to do to face upward up and down the motion and swinging of bowing, on working arm 16, be also provided with hanging basket 17, hanging basket is provided with operating handle 27 and Oil Switch 28, operating handle 27 can be controlled the balance of flexible, pitching, swing and the hanging basket of working arm 16 in hanging basket, be beneficial to make hanging basket convenient, realize quickly the aligning in each big gun hole, orientation, Oil Switch 28 is controlled the speed of working arm 16 each action movements.
Rear vehicle frame domain 19 mud guardes are provided with two groups of operating handles 30, wherein one group of each action that can control on ground working arm 16; Another group is controlled each supporting leg 18 and is launched the action of oil cylinder.
Rear frame chassis 19 afterbodys are provided with Reverse Sensor 29,5 tops, front vehicle frame domain are provided with warning 7, operating console 1 is provided with throttle change-over swith 35, back-up video 36, and Reverse Sensor 29, warning 7, throttle change-over swith 35 and back-up video 36 are connected with electric control system 2 by cable.Work as reversing, when chance afterbody has obstacle, Reverse Sensor 29 signals are passed to warning 7, alerting safety traffic, and meanwhile, back-up video 37 can show tailstock situation; By throttle change-over swith 35, can realize the controlling point of throttle in canopy 3 or on hanging basket 17.
Powder charge system comprises powder charge tank 15, LOAD CELLS 11, intelligent weighing controller 31, powder charge tank 15 is fixed on 19 supports of rear vehicle frame domain, LOAD CELLS 11 is arranged between powder charge tank 15 and rear frame chassis 19, the weight signal of powder charge tank 15 is converted into electric signal by LOAD CELLS 11 and passes to intelligent weighing controller 31, by the service condition of intelligent weighing controller 31 statistical analysis explosives.
Powder charge tank 15 top-side are provided with safety valve 13, two-position three-way valve 12, and safety valve 13 is for guaranteeing tank internal pressure safety, and two-position three-way valve 12 is to select air inlet or venting.
Powder charge tank 15 sides are provided with powder removing valve 21, in order to the speed of controlled loading of explosive, connect quick coupling 22 on powder removing valve 21, when powder charge, can connect fast grug transportation tube.
The charge door top of powder charge tank 15 is provided with medicinal cupping lid 14, and medicinal cupping covers 14 upper surfaces rubber layer, covers 14 o'clock mentioning medicinal cupping, can fill with 15 sealings with powder charge.
Air compressor and pneumatic system 33 are hydraulic pressure air compressor, can be at continuous operation under rated condition, the pressure gas that Air compressor produces is divided into two, one tunnel enters powder charge tank 15 through pressure regulating valve II 23 from top, another road enters powder charge through pressure regulating valve I 24 and fills with 15 from bottom, at pressure regulating valve 23,24, be provided with compression indicator I 9, and compression indicator II 10.
5 tops, front vehicle frame chassis are provided with semi-enclosed canopy 3, have the defencive function of the rollover of putting, inbreak, and side enters and horizontal seat, and drive in convenient operation and the maximum visual field.
Principle of work of the present invention:
1, powder charge servicer, at halted state neutral start the engine pumps in series assembly 4, is adjusted Oil Switch 35, and Throttle Opening Control point is located in canopy 3, drives whole powder charge servicer to charging work place.
2, operate wherein one group of operating handle 30 of rear frame chassis 19 mud guardes, hydraulic ram 18 is launched, drag whole powder charge servicer trailing wheel away from ground, rear frame chassis 19 is fixed.
3, to powder charge, fill with in 15 and pour explosive into, start Air compressor and pneumatic system 33, mention powder charge and fill with the medicinal cupping lid 14 in 15, open two-position three-way valve 12, built-in medicinal cupping lid 14 is by pressed gas jack-up.
4, adjust pressure regulating valve I 24, pressure regulating valve II 23, make the large 0.1Mpa of pressure regulating valve I 24 pressure ratio pressure regulating valve 23 pressure.
5, after operation frame chassis 19 another organize lever operated handle 30, by adjusting flexible, pitching, swing, the balance of working arm 16, make hanging basket 17 aim at breeching apertures.
6, outside grug transportation tube and quick coupling 22 are closed, and grug transportation tube are inserted to big gun hole on hanging basket 17, open powder removing valve 21, and explosive is inserted big gun hole, completes the powder charge process in a big gun hole.
7, control operation handle 27 on hanging basket, makes working arm 16 drive hanging basket 17 to aim at next big gun aperture, carries out next round powder charge, and so forth, completes whole powder charges.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its objective is to allow and be familiar with these those skilled in the art and can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalents or modification that according to the present invention, spirit essence has been done, all should contain in protection scope of the present invention.
Claims (7)
1. a subterranean particle shaped explosive charge powder charge servicer, it is characterized in that: comprise front vehicle frame chassis (5) and rear frame chassis (19), on described front vehicle frame chassis (5), be fixed with driving engine pumps in series assembly (4), front driving wheel bridge (26), electric control system (2), operating console (1), hydraulic reservoir (32), fuel tank (34); Described rear frame chassis (19) is provided with rear drive sprocket bridge (20), working arm (16), powder charge system and Air compressor and pneumatic system (33), and described front vehicle frame chassis (5) is connected with steering cylinder (25) by central articulated mounting (8) with rear frame chassis (19); Described powder charge system is connected with Air compressor and pneumatic system (33) air flue.
2. subterranean particle shaped explosive charge powder charge servicer according to claim 1, it is characterized in that: described powder charge system comprises powder charge tank (15), LOAD CELLS (11) and intelligent weighing controller (31), LOAD CELLS (11) is arranged between powder charge tank (15) and rear frame chassis (19), and intelligent weighing controller (31) is connected with LOAD CELLS (11) circuit; Powder charge lid (14) is arranged at described powder charge tank (15) top, top-side two-position three-way valve (12) and safety valve (13), and side, middle part is provided with powder removing valve (21), the upper connection of powder removing valve (21) quick coupling (22).
3. subterranean particle shaped explosive charge powder charge servicer according to claim 2, it is characterized in that: Air compressor and pneumatic system (33) are divided into two air flues, by pressure regulating valve I (24), be connected with two-position three-way valve (12) air flue on one side, another side is connected with the lower admission port air flue under powder charge tank (15) by pressure regulating valve II (23), wherein in pressure regulating valve I (24), there is compression indicator I (9), in pressure regulating valve II (23), have compression indicator II (10).
4. subterranean particle shaped explosive charge powder charge servicer according to claim 1, is characterized in that: on described working arm (16), have hanging basket (17), hanging basket (17) is provided with operating handle (27) and Oil Switch (28).
5. subterranean particle shaped explosive charge powder charge servicer according to claim 1, is characterized in that: in described rear frame chassis (19), have hydraulic ram (18).
6. subterranean particle shaped explosive charge powder charge servicer according to claim 5, is characterized in that: hydraulic ram (18) is four.
7. subterranean particle shaped explosive charge powder charge servicer according to claim 1, it is characterized in that: described rear frame chassis (19) afterbody is provided with Reverse Sensor (29), front vehicle frame chassis (5) is provided with warning (7), operating console (1) is provided with back-up video (36) and throttle change-over swith (35), and Reverse Sensor (29), warning (7), back-up video (36) and throttle change-over swith (35) are connected with electric control system by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731977.6A CN103661072B (en) | 2013-12-25 | 2013-12-25 | Underground granular explosive loading service cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731977.6A CN103661072B (en) | 2013-12-25 | 2013-12-25 | Underground granular explosive loading service cart |
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| Publication Number | Publication Date |
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| CN103661072A true CN103661072A (en) | 2014-03-26 |
| CN103661072B CN103661072B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310731977.6A Expired - Fee Related CN103661072B (en) | 2013-12-25 | 2013-12-25 | Underground granular explosive loading service cart |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542940A (en) * | 2016-08-26 | 2017-03-29 | 湖北凯龙化工集团股份有限公司 | A kind of cooling hanging column mechanism for thermoplastics type's explosive-source explosive post |
| CN109238057A (en) * | 2018-11-30 | 2019-01-18 | 中国葛洲坝集团易普力股份有限公司 | A kind of novel bulk emulsifying explosive means for loading |
| CN113028925A (en) * | 2021-02-23 | 2021-06-25 | 安徽江南爆破工程有限公司 | Multifunctional heavy ammonium nitrate fuel oil explosive loading system for roadway excavation and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006266670A (en) * | 2005-02-25 | 2006-10-05 | Kajima Corp | Explosive loading method and loading device |
| CN201941649U (en) * | 2010-12-30 | 2011-08-24 | 山西惠丰特种汽车有限公司 | Mechanized finished-explosive-charging vehicle |
| JP2012037068A (en) * | 2010-08-03 | 2012-02-23 | Nof Corp | Device and method for loading explosive |
| CN202485571U (en) * | 2012-03-12 | 2012-10-10 | 长沙矿山研究院有限责任公司 | Powdered granulated explosive charging vehicle for underground medium-deep holes |
| CN202709901U (en) * | 2012-05-18 | 2013-01-30 | 薛世忠 | Lift type on-site emulsion explosive mixed loading truck for underground mine |
| CN203698069U (en) * | 2013-12-25 | 2014-07-09 | 贵州开磷（集团）有限责任公司 | Underground granular explosive loading device |
-
2013
- 2013-12-25 CN CN201310731977.6A patent/CN103661072B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006266670A (en) * | 2005-02-25 | 2006-10-05 | Kajima Corp | Explosive loading method and loading device |
| JP2012037068A (en) * | 2010-08-03 | 2012-02-23 | Nof Corp | Device and method for loading explosive |
| CN201941649U (en) * | 2010-12-30 | 2011-08-24 | 山西惠丰特种汽车有限公司 | Mechanized finished-explosive-charging vehicle |
| CN202485571U (en) * | 2012-03-12 | 2012-10-10 | 长沙矿山研究院有限责任公司 | Powdered granulated explosive charging vehicle for underground medium-deep holes |
| CN202709901U (en) * | 2012-05-18 | 2013-01-30 | 薛世忠 | Lift type on-site emulsion explosive mixed loading truck for underground mine |
| CN203698069U (en) * | 2013-12-25 | 2014-07-09 | 贵州开磷（集团）有限责任公司 | Underground granular explosive loading device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542940A (en) * | 2016-08-26 | 2017-03-29 | 湖北凯龙化工集团股份有限公司 | A kind of cooling hanging column mechanism for thermoplastics type's explosive-source explosive post |
| CN109238057A (en) * | 2018-11-30 | 2019-01-18 | 中国葛洲坝集团易普力股份有限公司 | A kind of novel bulk emulsifying explosive means for loading |
| CN113028925A (en) * | 2021-02-23 | 2021-06-25 | 安徽江南爆破工程有限公司 | Multifunctional heavy ammonium nitrate fuel oil explosive loading system for roadway excavation and construction method |
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| Publication number | Publication date |
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| CN103661072B (en) | 2017-02-22 |
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Address after: No. 237 Jinyang City Kailin Lake District Road 550009 Guizhou city of Guiyang Province Applicant after: GUIZHOU KAILIN GROUP Co.,Ltd. Address before: 550002 Guizhou city in Guiyang Province, the Haitian Road No. 203 building 12 layer Applicant before: Guizhou Kailin (Group) Co.,Ltd. |
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Granted publication date: 20170222 Termination date: 20211225 |