Charging device for emulsion explosive test

Abstract

The utility model relates to the technical field of civil explosive equipment, and discloses a charging device for emulsion explosive tests, which comprises a support, and a fixed disc is fixedly mounted at the top of the support; the explosive cylinder is fixedly arranged on the fixed disc and is used for storing the emulsion explosive; the forming device is arranged on the fixed disc and is used for extruding the emulsion explosive; the push rod is installed on the medicine cylinder in a sliding mode, a piston is fixedly installed at the top end of the push rod, and the piston makes contact with the inner wall of the medicine cylinder; the air cylinder is fixedly installed on the support, and an output rod of the air cylinder is fixedly connected with the bottom end of the push rod. The explosive loading device for the emulsion explosive test solves the problems that manual explosive loading efficiency is low and the performance of loaded cartridges is prone to being affected badly in the emulsion explosive test, and compared with a manual explosive loading mode, the explosive loading accuracy and consistency are improved through the device, and the explosive loading efficiency is improved. And the reliability of the cartridge in subsequent performance detection is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of civilian explosive material technology, and specifically relates to a charging device for emulsion explosive test. BACKGROUND

[0002] Emulsion explosive is a kind of water-in-oil emulsion explosive formed by uniformly dispersing the microdroplets of oxidant salt aqueous solution in the oil phase continuous medium containing porous materials such as dispersed bubbles or hollow glass beads with the help of emulsifier, and is a new type of industrial explosive developed in the 1970s.

[0003] With the continuous progress of civilian explosive technology, the demand for explosive performance test in industrial explosive test laboratory is increasing, especially in the research and development process of emulsion explosive, the explosion performance of various specifications and varieties of explosives needs to be detected.

[0004] However, in the current research and development process, the sample charging work of emulsion explosive mainly depends on manual operation, and since emulsion explosive has high viscosity, manual charging is not only low in efficiency, but also easy to cause pollution problems, which may adversely affect the performance of the charged cartridge, thereby leading to inaccurate performance detection results, further affecting the accuracy and reliability of the entire research and development work. Therefore, it is necessary to provide an emulsion explosive charging device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a kind of emulsion explosive test charging device, to solve the problem that the charging mode of emulsion explosive is not only low in efficiency, and is easy to adversely affect the performance of the charged cartridge in the emulsion explosive test proposed in the above background technology.

[0006] To solve the above problems, the utility model is realized as follows: a kind of emulsion explosive test charging device, comprising: a support, a fixed disc is fixedly installed on the top of the support;Medicine cylinder for storing emulsion explosive is fixedly installed on the fixed disc;Forming device for extruding emulsion explosive is arranged on the fixed disc;Push rod is slidingly installed on the medicine cylinder, the top end of the push rod is fixedly installed with piston, and the piston is in contact with the inner wall of the medicine cylinder;Cylinder is fixedly installed on the support, and the output rod of the cylinder is fixedly connected with the bottom end of the push rod;Support plate is fixedly installed on the bottom of the support plate, and a plurality of universal wheels for moving are fixedly installed on the bottom of the support plate;Pressing plate is arranged below the support plate;A plurality of height adjusting mechanisms for lifting support plate are installed on the pressing plate.

[0007] Preferably, the height adjusting mechanism comprises: a cavity opened on the pressing plate, a double-shaft motor fixedly installed on the inner wall of the bottom of the cavity; two sliding grooves opened on the pressing plate, a screw rod rotatably installed on the inner wall of each of the two sliding grooves, the two screw rods extending into the cavity at the ends close to each other, and the two ends close to each other of the two screw rods being fixedly connected with the two output shafts of the double-shaft motor respectively; two sliding blocks threadedly installed on the two screw rods respectively, the two sliding blocks being slidably connected with the inner walls of the two sliding grooves respectively; and two hinged rods hingedly connected on the two sliding blocks respectively, the two hinged rods being hingedly connected with the bottom of the support plate at one end.

[0008] Preferably, a plurality of limiting rods are slidably installed on the support plate, and the bottom ends of the plurality of limiting rods are fixedly connected with the top of the pressing plate.

[0009] Preferably, the support plate is in a rectangular shape, and a handrail is fixedly installed on the top of the support plate.

[0010] Preferably, a plurality of threaded grooves are opened on the fixing disc, a plurality of mounting holes are opened on the former, a screw is arranged in each of the plurality of mounting holes, and the plurality of screws are threadedly connected with the plurality of threaded grooves respectively.

[0011] Preferably, an antiskid pad is fixedly installed on the bottom of the pressing plate, and the antiskid pad is made of rubber.

[0012] Preferably, the plurality of screw rods are made of stainless steel, and the plurality of sliding grooves are in a strip shape.

[0013] Compared with the related art, the charging device for emulsion explosive test has the following beneficial effects:

[0014] The charging device for emulsion explosive test provided by the scheme can be moved to the required working position by the cooperation of the handrails and the plurality of universal wheels, the anti-skid pads at the bottom of the pressing plate can contact the ground and the support plate can be supported to a suitable height by the use of the lifting mechanism, so that the universal wheels at the bottom of the support plate can be separated from the ground, the stability of the device during work can be ensured, unnecessary movement is prevented, the charging process is ensured to proceed smoothly, the suitable size of the former can be firmly installed on the top of the fixed disc according to the size and shape of the required cartridge by the use of the plurality of screws, the emulsion explosive can be extruded from the cartridge into the former by the cooperation of the air cylinder, the push rod and the piston, the emulsion explosive is accurately shaped into the required shape and size under the action of the former and is extruded from the top end of the former and directly charged into the paper tube, when the paper tube is filled with the emulsion explosive, the work of the air cylinder is stopped, at this time, a complete cartridge has been prepared and there is no obvious air bubble in the cartridge, the stability and accuracy of the charging effect are ensured, the whole charging process is simple and convenient in operation, the working efficiency is significantly improved, and the risk of the emulsion explosive being polluted during the charging process is effectively reduced, compared with the manual charging mode, the use of the device not only improves the accuracy and consistency of the charging, but also ensures the reliability of the cartridge in the subsequent performance detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a main view structural schematic diagram of the emulsion explosive test charging device provided by the utility model;

[0016] Figure 2 is a main view structural schematic diagram of the emulsion explosive test charging device provided by the utility model;

[0017] Figure 3 is an enlarged structural schematic diagram of part A shown in the figure; Figure 2

[0018] Figure 4 is an assembly structural schematic diagram of the screw rod and the sliding block in the utility model.

[0019] The drawings show that: 1, support; 2, fixed disc; 3, cartridge; 4, former; 5, push rod; 6, piston; 7, air cylinder; 8, support plate; 9, universal wheel; 10, pressing plate; 11, cavity; 12, double-shaft motor; 13, sliding groove; 14, screw rod; 15, sliding block; 16, hinged rod; 17, limiting rod; 18, screw; 19, handrail; 20, anti-skid pad. DETAILED DESCRIPTION

[0020] ​Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the use herein of terms such as "comprise", "comprising", "comprises", "including", "includes" or "contain" or "containing" is to be construed in a non-exclusive sense as meaning that other components can also be present in the application; the use herein of terms such as "first", "second" and the like is to be construed as distinguishing between similar objects, rather than as a decribing a particular sequential order; the terms "inner", "outer", "left", "right" and the like describe orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the purpose of facilitating the description of the application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate. It is also expressly understood that the description herein and the claims that follow are intended to cover all such variations as fall within the scope of the application. It should be understood that they are merely examples of the application and are not intended to limit the scope of the application.

[0022] Embodiments of the present application provide a charging device for emulsion explosive test, as shown in Figures 1-4 The charging device for emulsion explosive test comprises a support 1, a fixed disc 2 fixedly installed on the top of the support 1, a charge cylinder 3 for storing emulsion explosive fixedly installed on the fixed disc 2, a former 4 for extruding emulsion explosive arranged on the fixed disc 2, a push rod 5 slidingly installed on the charge cylinder 3, a piston 6 fixedly installed on the top end of the push rod 5, the piston 6 being in contact with the inner wall of the charge cylinder 3, a pneumatic cylinder 7 fixedly installed on the support 1, an output rod of the pneumatic cylinder 7 being fixedly connected with the bottom end of the push rod 5, a support plate 8 fixedly installed on the bottom of the support 1, a plurality of universal wheels 9 for movement fixedly installed on the bottom of the support plate 8, a pressing plate 10 arranged below the support plate 8, and a plurality of height adjusting mechanisms for lifting the support plate 8 installed on the pressing plate 10.

[0023] In the embodiment, before use, the operator can easily move the whole device to a suitable working site by using the plurality of universal wheels 9 at the bottom of the device, and after reaching the working site, the support plate 8 is raised by the height adjusting mechanism to make the plurality of universal wheels 9 off the ground, so as to ensure the stability of the device during work, prevent any unnecessary movement, and ensure the smooth progress of the charging process; next, the preparation work before charging is carried out, first, a proper amount of emulsion explosive is poured into the charging cylinder 3, and at the same time, it is ensured that the poured amount does not exceed the capacity limit of the charging cylinder 3, then, according to the size and shape of the required cartridge, a suitable former 4 is selected, and the former 4 is firmly installed on the top of the fixing disc 2 by using the screw 18; after the preparation work is completed, the paper tube to be charged is sleeved on the installed former 4, at this time, the air cylinder 7 is started, and the output rod starts the extension and retraction movement, and under the driving force of the air cylinder 7, the push rod 5 and the piston 6 move vertically in the charging cylinder 3, and the emulsion explosive is extruded from the charging cylinder 3 to the former 4, under the action of the former 4, the emulsion explosive is accurately molded into the required shape and size, and is extruded from the top end of the former 4 and directly charged into the paper tube; when the paper tube is full of emulsion explosive, the work of the air cylinder 7 is stopped, at this time, a complete cartridge has been prepared, and there is no obvious air bubble in the cartridge, which ensures the stability and accuracy of the charging effect; the whole charging process is simple and convenient, which not only significantly improves the work efficiency, but also effectively reduces the risk of emulsion explosive being polluted during the charging process, compared with the manual charging method, the use of the device not only improves the accuracy and consistency of the charging, but also ensures the reliability of the cartridge in the subsequent performance detection.

[0024] In the further preferable embodiment of the utility model, the height adjusting mechanism comprises: a cavity 11 opened on the pressing plate 10, a double-shaft motor 12 fixedly installed on the inner wall of the bottom of the cavity 11, two sliding grooves 13 opened on the pressing plate 10, a screw rod 14 rotatably installed on the inner wall of each of the two sliding grooves 13, the two screw rods 14 extending to the inside of the cavity 11 at the ends close to each other, the two ends of the two screw rods 14 close to each other being fixedly connected with the two output shafts of the double-shaft motor 12 respectively, two sliding blocks 15 threadedly installed on the two screw rods 14 respectively, the two sliding blocks 15 being slidingly connected with the inner walls of the two sliding grooves 13 respectively, and two hinged rods 16 hingedly connected with the two sliding blocks 15 respectively, one end of each of the two hinged rods 16 being hingedly connected with the bottom of the support plate 8.

[0025] In the embodiment, the height adjusting mechanism is used for lifting the support plate 8, in use, the operator starts the double-shaft motor 12, the two output shafts of the double-shaft motor 12 rotate simultaneously, drive the two screw rods 14 to rotate, since the sliding block 15 is threadedly connected with the screw rod 14 and is slidingly connected with the inner wall of the sliding groove 13, therefore, when the screw rod 14 rotates, the sliding block 15 moves horizontally along the sliding groove 13, the movement of the sliding block 15 causes the articulated rod 16 to rotate at the bottom of the support plate 8, so that the support plate 8 is lifted or lowered, when the device needs to be moved, the support plate 8 is lowered to the lowest position, so that the universal wheel 9 contacts the ground, facilitating the movement of the device, when the device reaches the use site, the support plate 8 is raised, so that the universal wheel 9 is separated from the ground, ensuring the stability of the device during work.

[0026] In the further preferred embodiment of the utility model, a plurality of limiting rods 17 are slidingly installed on the support plate 8, and the bottom ends of the plurality of limiting rods 17 are fixedly connected with the top of the pressing plate 10.

[0027] In the embodiment, the use of the limiting rod 17 can keep the lifting of the support plate 8 stable, so that the support plate 8 does not shake or tilt during lifting.

[0028] In the further preferred embodiment of the utility model, the support plate 8 is rectangular, and a handrail 19 is fixedly installed on the top of the support plate 8.

[0029] In the embodiment, the use of the handrail 19 can facilitate the movement of the device by pulling and pushing by the staff.

[0030] In the further preferred embodiment of the utility model, a plurality of threaded grooves are formed in the fixing disc 2, a plurality of mounting holes are formed in the former 4, a plurality of screws 18 are arranged in the plurality of mounting holes, and the plurality of screws 18 are threadedly connected with the plurality of threaded grooves, respectively.

[0031] In the embodiment, the use of the screw 18 can facilitate the fixing and installation of the former 4 on the fixing disc 2, in operation, the screw 18 is passed through the mounting hole on the former 4 and is screwed into the threaded groove on the fixing disc 2, thereby realizing the fixed connection of the former 4 and the fixing disc 2, and this connection mode is simple, reliable and easy to operate.

[0032] In the further preferred embodiment of the utility model, an antiskid pad 20 is fixedly installed on the bottom of the pressing plate 10, and the antiskid pad 20 is made of rubber material.

[0033] In the embodiment, the antiskid pad 20 made of rubber material can effectively improve the friction between the pressing plate 10 and the ground, so that the pressing plate 10 can maintain good stability during the supporting work of the device.

[0034] In further preferable embodiments of the present application, the plurality of screws 14 are made of stainless steel material, and the plurality of sliding grooves 13 are all provided in the shape of a long strip.

[0035] In the present embodiment, the screw 14 made of stainless steel material has excellent corrosion resistance and strength, and can resist chemical corrosion and mechanical stress, and has a long service life.

[0036] In summary, compared with the related art, the present application can facilitate the movement of the device to the desired work site by the cooperation of the handrail 19 and the plurality of universal wheels 9, and can ensure the stability of the device during work by the use of the lifting mechanism, prevent any unnecessary movement, ensure the smooth progress of the charging process, and facilitate the installation of the suitable size of the former 4 on the top of the fixed disc 2 by the use of the plurality of screws 18, the precise shaping of the emulsion explosive into the desired shape and size under the action of the former 4, and the direct charging of the emulsion explosive into the paper tube from the top end of the former 4, the stop of the work of the air cylinder 7 when the paper tube is full of emulsion explosive, the completion of a complete cartridge, and the stability and accuracy of the charging effect ensured by the absence of obvious air bubbles in the cartridge, the simple and convenient operation of the entire charging process, the significant improvement of the work efficiency, and the effective reduction of the risk of contamination of the emulsion explosive during the charging process. Compared with the manual charging method, the use of the device not only improves the accuracy and consistency of the charging, but also ensures the reliability of the cartridge in subsequent performance testing.

[0037] In several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can combine, add or delete the features of the embodiments of the present application according to the circumstances without creative labor, so as to obtain different, but essentially not deviating from the concept of the present application, other technical solutions. These technical solutions also belong to the scope of the present application.

Claims

1. An emulsion explosive test charge device characterized by: Include: Support, the top of the support is fixedly installed with a fixed disc; A cartridge for storing emulsion explosive is fixedly installed on the fixed disc; A former for extruding emulsion explosive is arranged on the fixed disc; A push rod is slidingly installed on the cartridge, a piston is fixedly installed at the top end of the push rod, and the piston is in contact with the inner wall of the cartridge; A cylinder is fixedly installed on the support, the output rod of the cylinder is fixedly connected with the bottom end of the push rod; A support plate is fixedly installed at the bottom of the support, a plurality of universal wheels for movement are fixedly installed at the bottom of the support plate; A pressing plate is arranged below the support plate; A plurality of height adjustment mechanisms for lifting the support plate are installed on the pressing plate.

2. The test charge device for emulsion explosive according to claim 1, characterized in that: The height adjustment mechanism comprises: a cavity is opened in the pressing plate, a double-shaft motor is fixedly installed on the bottom inner wall of the cavity; Two sliding grooves are opened in the pressing plate, a screw rod is rotatably installed on the inner wall of each of the two sliding grooves, the screw rods extend into the cavity at the ends close to each other, and the ends close to each other of the two screw rods are fixedly connected with the two output shafts of the double-shaft motor; Two sliding blocks are threadedly installed on the two screw rods respectively, and the two sliding blocks are slidingly connected with the inner walls of the two sliding grooves respectively; Two hinged rods are hinged to the two sliding blocks respectively, and one end of each of the two hinged rods is hinged to the bottom of the support plate.

3. The test charge device of claim 1, wherein: A plurality of limiting rods are slidingly installed on the support plate, and the bottom ends of the plurality of limiting rods are fixedly connected with the top of the pressing plate.

4. The emulsion explosive test charge device of claim 1, wherein: The support plate is rectangular, and a handrail is fixedly installed on the top of the support plate.

5. The test charge device of claim 1, wherein: A plurality of threaded grooves are opened in the fixed disc, a plurality of mounting holes are opened in the former, a plurality of screws are arranged in the mounting holes, and the plurality of screws are threadedly connected with the plurality of threaded grooves respectively.

6. The test charge device of claim 1, wherein: A non-slip pad is fixedly installed at the bottom of the pressing plate, and the non-slip pad is made of rubber.

7. The test charge device of claim 2, wherein: The plurality of screw rods are made of stainless steel, and the plurality of sliding grooves are in the shape of a long strip.

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