Flame sensitivity tester

Abstract

The utility model discloses a flame sensitivity tester which comprises an explosion-proof box body, an ignition mechanism, a transmission lifting mechanism, a flame testing mechanism, a scale and a control console, the flame testing mechanism comprises an outer pipe fixed in the explosion-proof box body in the longitudinal direction, a heat dissipation cylinder arranged in the outer pipe in a sleeved mode, an upper ignition sleeve assembly arranged on the top of the outer pipe and the top of the heat dissipation cylinder, an agent disc base arranged in the heat dissipation cylinder and an adapter arranged at the bottom of the agent disc base. The inner pipe is arranged at the bottom of the adapter and connected with the transmission lifting mechanism in a linkage mode, and the temperature sleeve is arranged in the inner pipe in a sleeved mode. A temperature sensor is arranged in the temperature sleeve; the temperature sensor is electrically connected with the console; the transmission lifting mechanism drives the inner tube, the temperature sleeve, the adapter and the medicament tray seat to slide along the direction of the outer tube; and explosives to be tested are arranged in the medicament tray seat. According to the scheme, the device has the advantages of simple structure, reliable adjustment, in-place protection, accurate measurement and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of flame sensitivity testing, in particular to a flame sensitivity tester. Background Art

[0002] The flame sensitivity tester of this technology is used for flame sensitivity testing of explosives. In the Chinese invention patent of "Patent Publication No.: CN102004120A, Name: Explosive Agent Flame Sensitivity Tester", on the basis of the original HGY-1 flame sensitivity meter, a height adjustment device containing a ball screw pair and a stepper motor, a controller, a magnetic induction block, a zero position sensor and a limit sensor are added. The ball screw pair is fixedly connected to the workbench where the exploratory agent sample to be tested is placed and the stepper motor. With the cooperation of the magnetic induction block, the zero position sensor and the limit sensor, the controller can send a variety of drive instructions to the stepper motor and make the stepper motor rotate according to the step length given by the instruction, thereby driving the workbench to the set test position. However, the sample mold of this technology is completely exposed, and there is a risk of burning other equipment when the flame burns, and its protection is not in place. In addition, this technology is to know the distance of the explosive flame ignition in advance and then adjust the position, and it is impossible to perform a one-time test of the position of igniting the explosive.

[0003] Therefore, there is an urgent need to propose a flame sensitivity tester with simple structure, reliable adjustment, adequate protection and accurate measurement. Utility Model Content

[0004] In view of the above problems, the purpose of the present invention is to provide a flame sensitivity tester. The technical solution adopted by the present invention is as follows:

[0005] A flame sensitivity tester, comprising an explosion-proof box, an ignition mechanism and a transmission lifting mechanism arranged in the explosion-proof box, a flame test mechanism arranged on the transmission lifting mechanism and matched with the ignition mechanism, a scale arranged in the explosion-proof box and recording the driving lifting distance of the transmission lifting mechanism, and a control console electrically connected to the ignition mechanism and the transmission lifting mechanism;

[0006] The flame testing mechanism includes an outer tube fixed in the explosion-proof box along the longitudinal direction, a heat dissipation tube sleeved in the outer tube, an upper ignition sleeve assembly arranged on the top of the outer tube and the heat dissipation tube, a medicine tray seat arranged in the heat dissipation tube, an adapter arranged at the bottom of the medicine tray seat, an inner tube arranged at the bottom of the adapter and linked to the transmission lifting mechanism, and a temperature sleeve sleeved in the inner tube; a temperature sensor is arranged in the temperature sleeve; the temperature sensor is electrically connected to the control console; the transmission lifting mechanism drives the inner tube, the temperature sleeve, the adapter and the medicine tray seat to slide along the direction of the outer tube; the explosive to be tested is arranged in the medicine tray seat.

[0007] Furthermore, the ignition mechanism includes a telescopic motor mounting seat fixed in the explosion-proof box, a telescopic motor fixed on the telescopic motor mounting seat, an ignition head mounting seat connected to the front end of the telescopic motor, and an ignition head fixed on the ignition head mounting seat; the ignition head faces the upper ignition sleeve assembly.

[0008] Furthermore, a spiral heat dissipation portion is provided on the surface of the heat dissipation tube.

[0009] Furthermore, a lower base, a first partition, a second partition, a third partition and a top plate are sequentially arranged in the explosion-proof box from bottom to top; columns are arranged on the lower base, the first partition, the second partition, the third partition and the top plate; the ignition mechanism is arranged on the third partition; the flame test mechanism is arranged on the second partition and the third partition; the transmission lifting mechanism is arranged on the first partition and the second partition.

[0010] Furthermore, the transmission lifting mechanism includes a sliding rod, a screw and a sliding rail arranged between the first partition and the second partition, a sliding block mounted on the sliding rail, a screw nut seat threadedly connected to the screw, a sliding seat slidingly sleeved with the sliding rod and fixedly connected to the screw nut seat and the sliding block, and a driving motor fixed on the first partition or the second partition and connected to the screw; the inner tube is fixedly connected to the sliding seat.

[0011] Furthermore, a ruler head is arranged on the slide seat; the ruler head is slidably matched with the ruler along the longitudinal direction.

[0012] Furthermore, the sliding rod, the screw rod and the sliding rail are arranged along the longitudinal direction, and the screw rod is placed between the sliding rod and the sliding rail.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The utility model is provided with an outer tube, a heat sink, an upper ignition sleeve assembly, a medicine tray seat and an inner tube, and uses a transmission lifting mechanism to drive the medicine tray seat and the inner tube to rise and fall. When the explosive ignition distance is reached, the explosive is ignited, and the outer tube and the heat sink are used for protection; at the same time, the utility model uses a ruler to record the current position. At the same time, the utility model sets a temperature sleeve in the inner tube, and uses a temperature sensor to record the current temperature to ensure the reliability of the test.

[0015] (2) The utility model provides a telescopic ignition mechanism to facilitate adjustment of the ignition distance, and the adjustment is convenient and reliable.

[0016] (3) The utility model provides a transmission lifting mechanism to facilitate reliable adjustment of the positions of the medicine tray and the inner tube, and its operation is reliable.

[0017] In summary, the utility model has the advantages of simple structure, reliable adjustment, adequate protection, accurate measurement, etc., and has high practical value and promotion value in the field of flame sensitivity test technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope of protection. For those skilled in the art, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the explosion-proof box in the utility model after the front cabinet door is removed.

[0021] Figure 3 This is a schematic diagram of the first angle structure of the interior of the explosion-proof box in the utility model.

[0022] Figure 4 This is a second angle structural diagram of the interior of the explosion-proof box in the utility model.

[0023] Figure 5 It is a structural schematic diagram of the ignition mechanism and the flame testing mechanism in the utility model.

[0024] Figure 6 It is a structural schematic diagram of the flame test mechanism without the outer tube in the utility model.

[0025] Figure 7 It is a cross-sectional schematic diagram of the flame testing mechanism in the utility model.

[0026] Figure 8 It is a structural schematic diagram of the upper ignition sleeve assembly, the medicine tray seat and the adapter in the utility model.

[0027] In the above drawings, the component names corresponding to the reference numerals are as follows:

[0028] 1. Explosion-proof box; 2. Control console; 101. Lower base; 102. Column; 103. First partition; 104. Second partition; 105. Third partition; 106. Ignition mechanism; 107. Flame test mechanism; 108. Scale; 110. Top plate; 1061. Telescopic motor mounting seat; 1062. Telescopic motor; 1063. Ignition head mounting seat; 1064. Ignition head; 1071. Outer tube ; 1072, heat sink; 1073, upper ignition sleeve assembly; 1074, medicine tray seat; 1075, adapter; 1076, inner tube; 1077, temperature sleeve; 10721, spiral heat dissipation part; 1091, slide rod; 1092, screw rod; 1093, drive motor; 1094, slide seat; 1095, screw rod nut seat; 1096, slide rail; 1097, slider; 1098, scale head. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of this application clearer, the utility model is further described below in conjunction with the accompanying drawings and embodiments, and the implementation methods of this utility model include but are not limited to the following embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] In this embodiment, the term "and / or" is merely a term used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.

[0031] The terms "first" and "second" in the description and claims of this embodiment are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0032] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0033] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" refers to two or more than two. For example, multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.

[0034] like Figures 1 to 8As shown, this embodiment provides a flame sensitivity tester, which is used for flame sensitivity testing of explosives. It mainly includes an explosion-proof box 1 and a control console 2. An ignition mechanism 106, a transmission lifting mechanism, a flame test mechanism 107, and a scale 108 are arranged in the explosion-proof box 1. The transmission lifting mechanism drives the medicine tray 1074 in the flame test mechanism 107 to rise and fall, and records the position where the explosive is ignited. The explosive to be tested is arranged in the medicine tray 1074.

[0035] In this embodiment, the explosion-proof box 1 includes a lower base 101, a first partition 103, a second partition 104, a third partition 105 and a top plate 110, which are sequentially arranged from bottom to top, and four columns 102 connected to the lower base 101, the first partition 103, the second partition 104, the third partition 105 and the top plate 110. Among them, the ignition mechanism 106 is arranged on the third partition 105, the flame test mechanism 107 is arranged on the second partition 104 and the third partition 105, and the transmission lifting mechanism is arranged on the first partition 103 and the second partition 104.

[0036] In this embodiment, the ignition mechanism 106 includes a telescopic motor mounting seat 1061 fixed in the explosion-proof box 1, a telescopic motor 1062 fixed on the telescopic motor mounting seat 1061, an ignition head mounting seat 1063 connected to the front end of the telescopic motor 1062, and an ignition head 1064 fixed on the ignition head mounting seat 1063. The ignition head 1064 faces the upper ignition sleeve assembly 1073. In this embodiment, the ignition head 1064 is driven by the telescopic motor 1062 to move closer to or away from the upper ignition sleeve assembly 1073.

[0037] In this embodiment, the flame test mechanism 107 includes an outer tube 1071 fixed in the explosion-proof box 1 along the longitudinal direction, a heat dissipation tube 1072 sleeved in the outer tube 1071, an upper ignition sleeve assembly 1073 arranged at the top of the outer tube 1071 and the heat dissipation tube 1072, a medicine tray seat 1074 arranged in the heat dissipation tube 1072, a adapter 1075 arranged at the bottom of the medicine tray seat 1074, an inner tube 1076 arranged at the bottom of the adapter 1075 and linked to the transmission lifting mechanism, and a temperature sleeve 1077 sleeved in the inner tube 1076. A temperature sensor is arranged in the temperature sleeve 1077, and the temperature sensor is electrically connected to the console 2. In addition, the transmission lifting mechanism is used to drive the inner tube 1076, the temperature sleeve 1077, the adapter 1075 and the medicine tray seat 1074 to slide along the direction of the outer tube 1071. When the explosive in the reagent tray 1074 moves to the ignitable position, it is ignited by the ignition head 1064, and the ignition temperature is recorded by the temperature sensor, and then the position indicated on the scale 108 is read. In this embodiment, in order to improve the heat dissipation effect, a spiral heat dissipation portion 10721 is opened on the surface of the heat dissipation tube 1072.

[0038] In this embodiment, in order to drive the inner tube 1076, the temperature sleeve 1077, the adapter 1075 and the medicine tray seat 1074 to slide along the outer tube 1071, the transmission lifting mechanism includes a slide rod 1091, a screw rod 1092 and a slide rail 1096 arranged between the first partition 103 and the second partition 104, a slider 1097 sleeved on the slide rail 1096, a screw rod nut seat 1095 threadedly connected to the screw rod 1092, a slide seat 1094 slidably sleeved with the slide rod 1091 and fixedly connected to the screw rod nut seat 1095 and the slide seat 1097, and a driving motor 1093 fixed on the first partition 103 or the second partition 104 and connected to the screw rod 1092. Among them, the inner tube 1076 is fixedly connected to the slide seat 1094. In addition, a scale head 1098 is arranged on the slide seat 1094.

[0039] The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any changes that adopt the design principles of the present utility model and are made through non-creative labor on this basis should fall within the protection scope of the present utility model.

Claims

1. A flame sensitivity tester, characterized in that: The invention comprises an explosion-proof housing (1), an ignition mechanism (106) and a transmission lifting mechanism arranged in the explosion-proof housing (1), a flame test mechanism (107) arranged on the transmission lifting mechanism and matched with the ignition mechanism (106), a scale (108) arranged in the explosion-proof housing (1) and recording the lifting distance driven by the transmission lifting mechanism, and a control console (2) electrically connected to the ignition mechanism (106) and the transmission lifting mechanism; The flame test mechanism (107) comprises an outer tube (1071) fixed in the explosion-proof box (1) along the longitudinal direction, a heat dissipation tube (1072) sleeved in the outer tube (1071), an upper ignition sleeve assembly (1073) arranged on the top of the outer tube (1071) and the heat dissipation tube (1072), a medicine tray seat (1074) arranged in the heat dissipation tube (1072), an adapter (1075) arranged at the bottom of the medicine tray seat (1074), and an ignition sleeve assembly (1073) arranged at the bottom of the adapter (1075) and connected to the flame test mechanism (1071). An inner tube (1076) connected in linkage with a driving lifting mechanism, and a temperature sleeve (1077) sleeved in the inner tube (1076); a temperature sensor is arranged in the temperature sleeve (1077); the temperature sensor is electrically connected to a control console (2); the driving lifting mechanism drives the inner tube (1076), the temperature sleeve (1077), the adapter (1075) and the medicine tray seat (1074) to slide along the direction of the outer tube (1071); and the medicine tray seat (1074) is provided with explosives to be tested.

2. A flame sensitivity tester according to claim 1, characterized in that: The ignition mechanism (106) comprises a telescopic motor mounting seat (1061) fixed in the explosion-proof housing (1), a telescopic motor (1062) fixed on the telescopic motor mounting seat (1061), an ignition head mounting seat (1063) connected to the front end of the telescopic motor (1062), and an ignition head (1064) fixed on the ignition head mounting seat (1063); the ignition head (1064) faces the upper ignition sleeve assembly (1073).

3. A flame sensitivity tester according to claim 1 or 2, characterized in that: The surface of the heat dissipation tube (1072) is provided with a spiral heat dissipation portion (10721).

4. A flame sensitivity tester according to claim 1 or 2, characterized in that: The explosion-proof box (1) is provided with a lower base (101), a first partition (103), a second partition (104), a third partition (105) and a top plate (110) in order from bottom to top; columns (102) are provided on the lower base (101), the first partition (103), the second partition (104), the third partition (105) and the top plate (110); the ignition mechanism (106) is provided on the third partition (105); the flame test mechanism (107) is provided on the second partition (104) and the third partition (105); and the transmission lifting mechanism is provided on the first partition (103) and the second partition (104).

5. A flame sensitivity tester according to claim 4, characterized in that: The transmission lifting mechanism comprises a sliding rod (1091), a screw rod (1092) and a sliding rail (1096) arranged between the first partition plate (103) and the second partition plate (104), a sliding block (1097) sleeved on the sliding rail (1096), a screw rod nut seat (1095) threadedly connected to the screw rod (1092), a sliding seat (1094) slidably sleeved with the sliding rod (1091) and fixedly connected to the screw rod nut seat (1095) and the sliding block (1097), and a driving motor (1093) fixed on the first partition plate (103) or the second partition plate (104) and connected to the screw rod (1092); the inner tube (1076) is fixedly connected to the sliding seat (1094).

6. A flame sensitivity tester according to claim 5, characterized in that: A ruler head (1098) is disposed on the slide seat (1094); the ruler head (1098) is slidably matched with the ruler (108) along the longitudinal direction.

7. A flame sensitivity tester according to claim 5, characterized in that: The sliding rod (1091), the screw rod (1092) and the sliding rail (1096) are arranged along the longitudinal direction, and the screw rod (1092) is placed between the sliding rod (1091) and the sliding rail (1096).

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