CN215810505U

CN215810505U - Small-size powder charging equipment of mixed explosive

Info

Publication number: CN215810505U
Application number: CN202122175349.7U
Authority: CN
Inventors: 张小勇; 刘晋玮; 安振伟; 郝亚飞; 黎勇
Original assignee: China Gezhouba Group Yipuli Co ltd
Current assignee: China Gezhouba Group Yipuli Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-11
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses small-sized explosive loading equipment for mixed explosive, which comprises an emulsified matrix tank, a horizontal linkage plunger pump set, a hydraulic system, a sensitizing agent box, a water ring device and an explosive loading and discharging device which are all integrated in a steel frame type carriage body, wherein an emulsified matrix plunger pump and a sensitizing agent plunger pump of the plunger pump set are linked through a linkage rod; the emulsion matrix plunger pump is fixed to be set up, and the gangbar is lever structure, and the fulcrum of lever is fixed for emulsion matrix plunger pump, is equipped with a plurality of linkage connecting holes according to alternative mode and sensitizer plunger pump articulated on the gangbar, just sensitizer plunger pump swing sets up. The utility model has the advantages that the device can be used in construction sites where large and medium-sized equipment cannot reach, and the proportion of the emulsifying matrix and the sensitizer can be conveniently adjusted; and the alternative supply of the explosive is realized by using two explosive supply interfaces of the three-way ball valve, so that the explosive charging efficiency is high. And has self-cleaning function and high automation degree.

Description

Small-size powder charging equipment of mixed explosive

Technical Field

The utility model relates to on-site mixed emulsion explosive charging equipment, in particular to small mixed emulsion explosive charging equipment for on-site mixed emulsion explosive charging.

Background

In the mixed loading construction of explosives on a blasting site, along with the increase of a steep mine area in the terrain, for a blasting operation site with simple and easy access and dangerous terrain, the conventional mixed loading explosive truck has large volume and high safety risk of transporting the explosives, is difficult to reach the operation site, can only manually finish the transfer and loading of the subsequent mixed explosives, increases the labor intensity, increases the cost of finished explosives, and increases the operation risk. Therefore, miniaturization of the charging equipment is more necessary. The pumping device for on-site mixing comprises an emulsion matrix plunger pump and a sensitizer plunger pump, and the emulsion matrix plunger pump and the sensitizer plunger pump are linked to meet the formula proportion requirement of the emulsion matrix and the sensitizer. Due to the difference of rock characteristics of blasting sites, the formula of the on-site mixed emulsion explosive needs to be adjusted according to the rock characteristics to obtain mixed explosives with different densities, so that a pumping device is required to conveniently and accurately adjust the proportion of an emulsion matrix and a sensitizer. Although chinese patent publication No. CN 207113731U discloses an emulsion explosive pumping linkage mechanism capable of adjusting the mixture ratio steplessly, which can adjust the mixture ratio of emulsion explosives, the emulsion explosive pumping linkage mechanism needs to loosen the sensitizer pump first when adjusting the pumping amount of the sensitizer, adjust the position by translating the sensitizer pump, and fix the sensitizer pump after the sensitizer pump is adjusted in place, which is not enough to operate fussy and adjust the efficiency. For this reason, there is a need for improvements to existing mixed explosive pumping devices.

Disclosure of Invention

The utility model aims to provide small-sized explosive loading equipment for mixed loading explosives, aiming at the defect of low ratio adjustment efficiency of the existing explosive loading equipment for on-site mixed loading of emulsion explosives, the linkage rod of the linkage pump set is of a lever-type structure, and the end connected with a sensitizing agent is provided with a plurality of connecting holes, so that the purpose of ratio adjustment is realized by selecting different connecting holes to change the pumping quantity of the sensitizing agent during ratio adjustment, the adjustment convenience is improved, the ratio adjustment proportion can be obtained in advance by utilizing the fixed condition of the positions of the connecting holes, recalculation in the adjustment process is not needed, and the adjustment efficiency is improved from two aspects.

In order to achieve the purpose, the utility model adopts the following technical scheme.

A small-sized explosive loading device for mixed explosive comprises an emulsion matrix tank, a horizontal linkage plunger pump set, a hydraulic system, a sensitizing agent box, a water ring device and an explosive loading and discharging device, wherein an emulsion matrix plunger pump and a sensitizing agent plunger pump of the plunger pump set are linked through a linkage rod; the emulsion matrix tank, the horizontal linkage plunger pump set, the hydraulic system, the sensitizing agent box, the water ring device and the charge discharging device are all integrated in a steel frame type carriage body; the emulsion matrix plunger pump is fixed to be set up, the gangbar is lever structure, and the fulcrum of lever is fixed for emulsion matrix plunger pump, is equipped with a plurality of according to alternative mode and sensitizer plunger pump articulated linkage connecting hole on the gangbar, just sensitizer plunger pump swing sets up.

According to the utility model adopting the scheme, the emulsified base tank, the horizontal linkage plunger pump set, the hydraulic system, the sensitizing agent box, the water ring device and the charging and discharging device are all integrated in the steel frame type compartment body, so that a miniaturized compact structure is formed; meanwhile, a linkage rod used for linkage of the emulsion matrix plunger pump and the sensitizer plunger pump in the horizontal linkage plunger pump set is arranged to be of a lever type structure, a hinge point in the middle of the linkage rod forms a lever fulcrum, one end of the lever is movably connected with the plunger rod of the emulsion matrix plunger pump, and the other end of the lever is movably connected with the plunger rod of the sensitizer plunger pump. External power is connected through an emulsion matrix plunger pump, and in the process of driving a plunger rod of an emulsion matrix plunger pump assembly to move in a telescopic mode, a linkage rod which swings in a lever mode drives a plunger rod of a sensitizer plunger pump assembly which swings to move in a telescopic mode. When the emulsion matrix and the sensitizer are mixed, the powder charging equipment can be connected with the plunger rod of the sensitizer plunger pump assembly by changing the hinge holes at different positions on the linkage rod to obtain different length distances from the hinge point of the plunger rod to the lever fulcrum, so that the stroke of the plunger rod of the sensitizer plunger pump assembly and the pumping amount of the sensitizer are changed under the condition that the stroke amount of the plunger rod of the emulsifier plunger pump assembly and the pumping amount of the emulsifier matrix are not changed, the mixing ratio of the emulsion matrix and the sensitizer is changed, the powder charging equipment is convenient to adjust, and the adjusting efficiency is high. Meanwhile, the positions of the hinge holes on the linkage rod are determined, so that the stroke adjustment value of the plunger rod of the sensitizer plunger pump assembly is correspondingly determined, and under the condition of predetermined conditions, the adjustment value can be selected as required without calculating a proportioning adjustment result in the adjustment process, so that the adjustment efficiency is improved on the other hand.

Preferably, the emulsified base plunger pump is horizontally fixed on a pump unit bottom plate, a plunger rod of the emulsified base plunger pump is fixedly connected with an anti-rotation block, and a roller or a roller is arranged on the anti-rotation block; the sensitizer plunger pump can swing in a horizontal plane; the linkage rod is hinged on the pump unit bottom plate through a hinge point at the middle part of the linkage rod, and one end of the linkage rod is provided with a strip-shaped sliding groove for receiving the roller or the roller; the other end of the linkage rod is hinged with a plunger rod of the sensitizer plunger pump through any linkage connecting hole. The rotation prevention block is used as a power transmission component and drives a plunger rod of the sensitizer plunger pump to do telescopic motion through the linkage rod. Because emulsification matrix plunger pump is fixed to be set up, prevents that the turning block is according to setting for position axial reciprocating motion to slide for gangbar one end in rectangular shape spout on the gangbar, the other end of gangbar drives the wobbling of sensitizing agent plunger pump, and the dynamic axis of the edge of sensitizing agent plunger pump is flexible, thereby realizes the linkage of emulsification matrix plunger pump subassembly and sensitizing agent plunger pump subassembly, ensures functional reliability.

Preferably, the emulsified base plunger pump comprises a plunger pump power assembly and an emulsified base plunger pump body, the plunger pump power assembly is fixed on an emulsified base pump fixing seat through screws, the emulsified base pump fixing seat is fixed on the pump group bottom plate, the emulsified base plunger pump body is fixedly connected in front of the plunger pump power assembly through a plurality of connecting rods which are uniformly distributed on the circumference, and a plunger rod of the emulsified base plunger pump is connected with a movable output component of the plunger pump power assembly through an anti-rotation block; the plunger pump power assembly is connected with the hydraulic system. So as to form a reliable emulsifying matrix plunger pump assembly structure and ensure the operation reliability and stability.

Preferably, the sensitizer plunger pump includes the sensitizer plunger pump body, and the cover is equipped with the swing ring on the sensitizer plunger pump body, and the swing ring is located the swing ring mounting hole on the sensitizer plunger pump mount pad to through the swing round pin axle of vertical setting with sensitizer plunger pump mount pad is connected, and sensitizer plunger pump mount pad is fixed to be established on the pump package bottom plate. So as to ensure that the sensitizing agent plunger pump assembly can swing under the driving of the linkage rod and ensure flexible and reliable operation.

Preferably, the explosive charging and discharging device comprises a two-position three-way valve, the two-position three-way valve is provided with a first interface and two parallel second interfaces, the first interface is communicated with an outlet of the water ring device, the first interface is respectively communicated with one of the two second interfaces to form two fluid channels, and the two second interfaces are used for alternately providing mixed explosive outwards; the two-position three-way valve is of a T-shaped ball valve structure and is provided with a control handle for reversing, the first interface is positioned in the middle of the valve body, and the two second interfaces are respectively positioned at two ends of the valve body; the two-position three-way valve is fixed on the discharging bottom plate, the far end of the control handle is connected with a reversing oil cylinder, and the reversing oil cylinder is connected with the hydraulic system; and the two second interfaces extend through the bent pipe and the straight pipe sections respectively, and the two straight pipe sections are parallel and symmetrically distributed. By utilizing the two second interfaces capable of alternately supplying the explosive, the explosive charging preparation time of one blast hole and the explosive conveying time of the other blast hole in the two blast holes form a coincident time period when the explosive charging device is used on site, so that the total explosive charging time is shortened, and the explosive charging efficiency is improved. Meanwhile, the control handle and the reversing oil cylinder of the ball valve structure are combined with the existing industrial control technology to realize the program control of interface alternation.

Preferably, still be equipped with two magnetic induction switches on the discharge bottom plate, control handle's middle part fixedly connected with magnetic induction piece, two magnetic induction switches's position corresponds with two fluid passage's connected state respectively. Non-contact position detection is formed through the magnetic induction switch, and a foundation is laid for automatic control.

Preferably, an emulsified base output three-way valve is arranged at the outlet end of the emulsified base plunger pump, and the other two interfaces of the emulsified base output three-way valve are respectively connected with the emulsified base tank and the water ring device. The emulsified base is provided to the water ring device through the emulsified base output three-way valve or is returned to the emulsified base tank, so that the emulsified base can be selected according to the requirement, such as returned to the emulsified base tank during debugging and provided to the water ring device during normal operation.

Preferably, the sensitizer case comprises first sensitizer case and second sensitizer case, and two sensitizer cases are connected through the pipeline that corresponds and be equipped with the valve and the import of sensitizer plunger pump to can supply the sensitizer alone respectively or jointly through two sensitizer cases.

Preferably, the device also comprises a water tank arranged in the compartment body, a cleaning or feeding three-way valve is connected to a water outlet pipeline of the water tank, one of two inlets of the cleaning or feeding three-way valve is communicated with an outlet, an outlet of the cleaning or feeding three-way valve is communicated with an inlet of the emulsified base plunger pump, and the other inlet of the cleaning or feeding three-way valve is communicated with a discharge pipe of the emulsified base tank. So that after the medicine is filled, the pipeline channel for supplying the emulsified base material is conveniently cleaned, and the potential safety hazard caused by the emulsified base material remained in the pipeline is eliminated.

Preferably, the hydraulic control system further comprises a PLC control system, and the PLC control system is respectively electrically connected with the horizontal linkage plunger pump set and the hydraulic system. The automatic control is realized by utilizing the existing PLC control technology, the automation degree of powder charging is improved, and the efficiency is improved; remote control can be realized by adopting a remote control technology on the basis.

The utility model has the advantages that the utility model is suitable for construction sites which cannot be reached by large and medium-sized equipment, and the proportion of the emulsifying matrix and the sensitizer can be conveniently adjusted according to the rock characteristic difference of the blasting site; meanwhile, the alternative supply of the explosives is realized by utilizing the two explosive supply interfaces of the three-way ball valve, so that the sequential explosive charging is realized in a mode that the explosive charging preparation time of one blast hole and the explosive conveying time of the other blast hole form a superposition time period, the total explosive charging time is shortened, and the explosive charging efficiency is improved. And has self-cleaning function and high automation degree.

Drawings

Fig. 1 is a schematic isometric view of the structure of the present invention.

FIG. 2 is a schematic top view of a portion of the structure of the present invention.

FIG. 3 is a schematic perspective view of the construction of the emulsified base plunger pump of the present invention.

Fig. 4 is a schematic exploded view of the structure of the emulsified base plunger pump of the present invention.

Fig. 5 is a schematic exploded view of the structure of a sensitizer plunger pump in accordance with the present invention.

Figure 6 is a schematic isometric view of the charge discharger of the present invention.

Detailed Description

The utility model will be further described with reference to the drawings, but the utility model is not limited thereby within the scope of the embodiments described.

Referring to fig. 1 and 2, the small mixed explosive charging equipment comprises an emulsion matrix tank 2, a horizontal linkage plunger pump set 7, a hydraulic system 12, a sensitizer box 15/17, a water ring device 28 and a charging and discharging device 29, wherein an emulsion matrix plunger pump 71 and a sensitizer plunger pump 72 of the plunger pump set 7 are linked through a linkage rod 710; the emulsion matrix tank 2, the horizontal linkage plunger pump set 7, the hydraulic system 12, the sensitizer box 15/17, the water ring device 28 and the charge discharging device 29 are all integrated in the steel frame type carriage body 1; the emulsion matrix plunger pump 71 is fixedly arranged, the linkage rod 710 is of a lever structure, the fulcrum of the lever is fixed relative to the emulsion matrix plunger pump 71, a plurality of linkage connecting holes which are hinged with the sensitizer plunger pump 72 in an alternative mode are formed in the linkage rod 710, and the sensitizer plunger pump 72 is arranged in a swinging mode.

Referring to fig. 3 and 4, the emulsion matrix plunger pump 71 is horizontally fixed on the pump unit bottom plate 73, the plunger rod of the emulsion matrix plunger pump 71 is fixedly connected with an anti-rotation block 75, and the anti-rotation block 75 is provided with a roller or roller 711; the sensitizer plunger pump 72 can swing in the horizontal plane; the linkage rod 710 is hinged on the pump unit bottom plate 73 through a hinge point at the middle part of the linkage rod 710, and one end of the linkage rod 710 is provided with a long strip-shaped sliding groove for receiving the roller or the roller 711; the other end of the linkage rod 710 is hinged with the plunger rod of the sensitizer plunger pump 72 through any linkage connecting hole. The pump unit bottom plate 73 is fixedly connected with a linkage plate strut 719, the linkage plate strut 719 is fixedly connected with a hinge shaft 727 for hinging the linkage rod 710, and the hinge shaft 727 is in a belt pulley hinged bolt structure. A wear-resistant sleeve is arranged between the hinge shaft 727 and the hinge hole of the linkage rod 710. The emulsified base plunger pump 71 comprises a plunger pump power assembly 74 and an emulsified base plunger pump body 76, the plunger pump power assembly 74 is fixed on an emulsified base pump fixing seat 718 through bolts, the emulsified base pump fixing seat 718 is fixed on the pump group bottom plate 73, the emulsified base plunger pump body 76 is fixedly connected in front of the plunger pump power assembly 74 through a plurality of connecting rods 79 which are uniformly distributed on the circumference, and a plunger rod of the emulsified base plunger pump 71 is connected with a movable output component of the plunger pump power assembly 74 through an anti-rotation block 75; the plunger pump power assembly 74 includes a hydraulic motor that is connected to the hydraulic system 12.

Referring to fig. 3 and 5, the sensitizer plunger pump 72 includes a sensitizer plunger pump body 721, a swing ring 722 is sleeved on the sensitizer plunger pump body 721, the swing ring 722 is located in a swing ring mounting hole on a sensitizer plunger pump mounting seat 723 and is connected with the sensitizer plunger pump mounting seat 723 through a vertically arranged swing pin shaft, and the sensitizer plunger pump mounting seat 723 is fixedly arranged on the pump group bottom plate 73. The sensitizer plunger pump body 721 is further provided with an adjusting nut 724, the adjusting nut 724 abuts against the side face of the swinging ring 722, the swinging ring 722 is of a circular ring structure, and a swinging ring mounting hole is a long hole; the swing pin shaft is composed of two short shafts positioned above and below the swing ring 722, the two short shafts are both arranged on the sensitizer plunger pump mounting base 723, the inner ends of the short shafts are supported on the sensitizer plunger pump body 721, the plunger rod of the sensitizer plunger pump 72 comprises a pull rod 725, the front end of the pull rod 725 is fixedly connected with a pull rod plate 726, and the far end of the pull rod plate 726 is hinged with the linkage rod 710. The pull rod plate 726 is a plate-shaped structure with an upper layer and a lower layer; a cushion block is arranged between the upper layer and the lower layer at one end connected with the pull rod 725, and the cushion block is fixedly connected with the pull rod 725. The two layers of pull rod plates and the cushion blocks form a U-shaped fork structure, and the parts of the linkage rod 710 hinged with the pull rod plates 726 are matched in the fork openings of the U-shaped forks.

Referring to fig. 6, the explosive charging and discharging device 29 includes a two-position three-way valve 91, where the two-position three-way valve 91 has a first port and two parallel second ports, the first port is communicated with the outlet of the water ring device 28, the first port is respectively communicated with one of the two second ports to form two fluid channels, the two second ports respectively extend through a bent pipe and a straight pipe section, the two straight pipe sections are parallel and symmetrically distributed, and the two second ports are used for alternately providing mixed explosives outwards; the two-position three-way valve 91 is of a T-shaped ball valve structure and is provided with a control handle 92 for reversing, the first interface is positioned in the middle of the valve body, and the two second interfaces are respectively positioned at two ends of the valve body; wherein, the two-position three-way valve 91 is fixed on the discharging bottom plate 93, the far end of the control handle 92 is connected with a reversing oil cylinder 94, and the reversing oil cylinder 94 is connected with the hydraulic system 12; and the two second interfaces extend through the bent pipe and the straight pipe sections respectively, and the two straight pipe sections are parallel and symmetrically distributed. Still be equipped with two magnetic induction switches 95 on the discharging bottom plate 93, the middle part fixedly connected with magnetic induction piece 96 of control handle 92, two magnetic induction switches 95's position corresponds with two fluid passage's connected state respectively.

An emulsified base output three-way valve 8 is arranged at the outlet end of the emulsified base plunger pump 71, and the other two interfaces of the emulsified base output three-way valve 8 are respectively connected with the emulsified base tank 2 and the water ring device 28. The emulsified base is supplied to the water ring device 28 through the emulsified base output three-way valve 8 or is returned to the emulsified base tank 2 so as to be selected according to the requirement, such as returning to the emulsified base tank during debugging, and the emulsified base is supplied to the water ring device 28 during normal operation.

Wherein, the sensitizer case comprises first sensitizer case 15 and second sensitizer case 17, and two sensitizer cases are through the pipeline that corresponds be equipped with the valve with the import connection of sensitizer plunger pump 72.

The equipment of this embodiment further comprises a water tank 19 arranged in the carriage body 1, a cleaning or feeding three-way valve 26 is connected to a water outlet pipeline of the water tank 19, one of two inlets of the cleaning or feeding three-way valve 26 is communicated with an outlet, an outlet of the cleaning or feeding three-way valve 26 is communicated with an inlet of the emulsified base plunger pump 71, and the other inlet of the cleaning or feeding three-way valve 26 is communicated with a discharge pipe of the emulsified base tank 2.

The equipment of this embodiment still includes PLC control system, and PLC control system is connected with horizontal linkage plunger pump package 7 and hydraulic system 12 electricity respectively. The hardware of the PLC control system is arranged through a touch screen control box 30, and a touch screen is arranged on the touch screen control box 30; the equipment is provided with an independent PLC hardware control box 13, and electrical elements for controlling the whole machine are arranged in the PLC hardware control box 13.

The working process of the equipment is as follows:

necessary parameters are input in a touch screen control box 30 or a remote handheld terminal, an output pipeline of a charging and discharging device 29 is selected, then a cleaning or feeding three-way valve 26 is driven to a feeding position, an emulsifying matrix output three-way valve 8 is driven to an output position, a control valve of any discharging pipeline of two sensitizing agent boxes, namely a first sensitizing agent box 15 and a second sensitizing agent box 17 is driven to the output position, and a start button is pressed. The emulsified base in the emulsified base tank 2 enters an emulsified base plunger pump 71 of the horizontal linkage plunger pump set 7 from a blanking port through an emulsified base feeding pipe, and is pumped by a discharge port of the emulsified base plunger pump 71 and conveyed to the water ring device 28 through an emulsified base output pipe; the sensitizer in the first sensitizer tank 15 or the second sensitizer tank 17 is fed into the sensitizer plunger pump 72 of the horizontal type linked plunger pump set 7 through the sensitizer feeding pipe, and then pumped into the water ring device 28. The emulsified base and the sensitizing agent are mixed and then conveyed together by the water ring device 28, then enter the charging and discharging device 29, and are output to the blast hole through the charging pipe of one of the two output ports of the charging and discharging device 29.

After the medicine is filled, the cleaning or feeding three-way valve 26 is driven to the cleaning position, the start button is pressed again, the cleaning water in the water tank 19 sequentially enters the emulsified base material feeding pipe through the cleaning water pipe, then passes through the emulsified base material plunger pump 71 and the water ring device 28 of the horizontal linkage plunger pump unit 7 to the medicine filling and discharging device 29, and finally is discharged through the pipeline.

After the cleaning is completed, the cleaning water control valve is closed, and the cleaning or feed three-way valve 26 is closed.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A small explosive loading device for mixed explosives comprises an emulsion matrix tank (2), a horizontal linkage plunger pump set (7), a hydraulic system (12), a sensitizer box, a water ring device (28) and an explosive loading and discharging device (29), wherein an emulsion matrix plunger pump (71) and a sensitizer plunger pump (72) of the plunger pump set (7) are linked through a linkage rod (710); the method is characterized in that: the emulsification matrix tank (2), the horizontal linkage plunger pump set (7), the hydraulic system (12), the sensitizing agent box, the water ring device (28) and the charging and discharging device (29) are all integrated in the steel frame type carriage body (1); emulsion matrix plunger pump (71) fixed the setting, linkage rod (710) are lever structure, and the fulcrum of lever is fixed for emulsion matrix plunger pump (71), is equipped with a plurality ofly on linkage rod (710) according to alternative mode and sensitizer plunger pump (72) articulated linkage connecting hole, just sensitizer plunger pump (72) swing setting.

2. The small powder charge equipment for mixed explosive according to claim 1, characterized in that the emulsion matrix plunger pump (71) is horizontally fixed on the pump group bottom plate (73), the plunger rod of the emulsion matrix plunger pump (71) is fixedly connected with an anti-rotation block (75), and the anti-rotation block (75) is provided with a roller or a roller (711); the sensitizer plunger pump (72) is capable of swinging in a horizontal plane; the linkage rod (710) is hinged to the pump unit bottom plate (73) through a hinge point at the middle part of the linkage rod (710), and one end of the linkage rod (710) is provided with a long-strip-shaped sliding groove for receiving the roller or the roller (711); the other end of the linkage rod (710) is hinged with a plunger rod of the sensitizer plunger pump (72) through any linkage connecting hole.

3. The small powder charge equipment for mixed explosive according to claim 2, characterized in that the emulsion matrix plunger pump (71) comprises a plunger pump power assembly (74) and an emulsion matrix plunger pump body (76), wherein the plunger pump power assembly (74) is fixed on an emulsion matrix pump fixing seat (718) through screws, the emulsion matrix pump fixing seat (718) is fixed on the pump group bottom plate (73), the emulsion matrix plunger pump body (76) is fixedly connected in front of the plunger pump power assembly (74) through a plurality of connecting rods (79) which are uniformly distributed on the circumference, and a plunger rod of the emulsion matrix plunger pump (71) is connected with a dynamic output component of the plunger pump power assembly (74) through an anti-rotation block (75); the plunger pump power assembly (74) is connected to the hydraulic system (12).

4. The small-sized explosive loading device for mixed explosive according to claim 2, characterized in that the sensitizer plunger pump (72) comprises a sensitizer plunger pump body (721), a swinging ring (722) is sleeved on the sensitizer plunger pump body (721), the swinging ring (722) is positioned in a swinging ring mounting hole on the sensitizer plunger pump mounting seat (723) and is connected with the sensitizer plunger pump mounting seat (723) through a vertically arranged swinging pin shaft, and the sensitizer plunger pump mounting seat (723) is fixedly arranged on the pump group bottom plate (73).

5. The small-scale explosive loading device for mixed explosive according to claim 1, characterized in that the explosive discharging device (29) comprises a two-position three-way valve (91), the two-position three-way valve (91) is provided with a first interface and two parallel second interfaces, the first interface is communicated with the outlet of the water ring device (28), the first interface is respectively communicated with one of the two second interfaces to form two fluid passages, and the two second interfaces are used for alternately providing the mixed explosive outwards; the two-position three-way valve (91) is of a T-shaped ball valve structure and is provided with a control handle (92) for reversing, the first connector is positioned in the middle of the valve body, and the two second connectors are respectively positioned at the two ends of the valve body; the two-position three-way valve (91) is fixed on the discharging bottom plate (93), the far end of the control handle (92) is connected with a reversing oil cylinder (94), and the reversing oil cylinder (94) is connected with the hydraulic system (12); and the two second interfaces extend through the bent pipe and the straight pipe sections respectively, and the two straight pipe sections are parallel and symmetrically distributed.

6. The small-sized explosive loading device for mixed explosive according to claim 5, characterized in that two magnetic induction switches (95) are further arranged on the discharging bottom plate (93), a magnetic induction block (96) is fixedly connected to the middle of the control handle (92), and the positions of the two magnetic induction switches (95) correspond to the communication states of the two fluid channels respectively.

7. The small-sized powder charging equipment for mixed explosive according to claim 1, characterized in that the outlet end of the emulsified base plunger pump (71) is provided with an emulsified base output three-way valve (8), and the other two interfaces of the emulsified base output three-way valve (8) are respectively connected with the emulsified base tank (2) and the water ring device (28).

8. The small-scale explosive loading equipment for mixed explosive according to claim 1, characterized in that the sensitizer tank is composed of a first sensitizer tank (15) and a second sensitizer tank (17), and the two sensitizer tanks are connected with the inlet of a sensitizer plunger pump (72) through corresponding pipelines provided with valves.

9. The small-sized mixed explosive loading device according to any one of claims 1 to 8, characterized by further comprising a water tank (19) arranged in the carriage body (1), wherein a water outlet pipeline of the water tank (19) is connected with a cleaning or feeding three-way valve (26), one of two inlets of the cleaning or feeding three-way valve (26) is communicated with an outlet, an outlet of the cleaning or feeding three-way valve (26) is communicated with an inlet of the emulsified base plunger pump (71), and the other inlet of the cleaning or feeding three-way valve (26) is communicated with a discharge pipe of the emulsified base tank (2).

10. The small mixed explosive loading equipment according to any one of claims 1 to 8, further comprising a PLC control system, wherein the PLC control system is electrically connected with the horizontal linkage plunger pump set (7) and the hydraulic system (12) respectively.