CN103344551A - Powder compaction testing machine for portable fire extinguisher - Google Patents
Powder compaction testing machine for portable fire extinguisher Download PDFInfo
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- CN103344551A CN103344551A CN201310245093XA CN201310245093A CN103344551A CN 103344551 A CN103344551 A CN 103344551A CN 201310245093X A CN201310245093X A CN 201310245093XA CN 201310245093 A CN201310245093 A CN 201310245093A CN 103344551 A CN103344551 A CN 103344551A
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- fire extinguisher
- hand fire
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Abstract
The invention relates to a powder compaction testing machine for a portable fire extinguisher. The powder compaction testing machine is characterized by comprising vertical frames which are corresponding to fire extinguishers in a one-to-one manner and are used for allowing the fire extinguisher to move up and down therein; the vertical frame is disposed on a bed board of a rigid testing bed; the bottom of the rigid testing bed is provided with a connecting part fixedly connected with a ground base; ejector pins are arranged corresponding to the fire extinguishers in a one-to-one manner; the tops of the ejector pins are working ends; the bottoms of the ejector pins are fixed on the same plate capable of moving up and down; the height of every fire extinguisher ejected by the ejector pins is equal to or smaller than the strokemm of the ejector pin; the bottom surface of the plate capable of moving up and down is fixedly connected with a movable guide pillar; a movable guide hole matching with the movable guide pillar is disposed on a fixed supporting plate; the movable guide pillar is driven by a cam; and a servo motor drives the can to rotate. The Powder compaction testing machine also comprises a programmable controller (PLC), a motor speed controller and a counter which are controllably connected with the servo motor through control wires. The testing machine can meet powder compaction tests and meet the requirements of detection standards.
Description
Technical field
The present invention relates to flame snuffer checkout equipment technical field, particularly a kind of hand fire extinguisher powder pressing test unit.
Background technology
For portable, can fill, whether powder fire extinguisher should carry out powder and compress test, have caking whether can at any time keep the state that flows to detect powder fire extinguishing agent, guarantees that flame snuffer can normal injection.New standard is at present: carry out every batch of amount detection of this detection and be no less than 3 flame snuffers, detection method is: flame snuffer is fallen on the rigidity level iron plate from the 15mm eminence with the frequency of 1Hz in vertical direction, continuous 500 times.But also there is not special-purpose testing equipment.
Summary of the invention
In order to address the above problem, the invention provides a kind of hand fire extinguisher powder pressing testing machine, this test function satisfies the testing requirements of examination criteria.
Hand fire extinguisher powder pressing testing machine provided by the invention comprises:
Stand is used for placing hand fire extinguisher and moving up and down in stand for hand fire extinguisher with hand fire extinguisher one to one, is provided with the guiding hoop that cooperates with hand fire extinguisher in the described stand;
Rigidity test table is connected with fixed head by bolt on its table top, and this table top is the end face of deck plate, and stand places on the described table top and by described fixed head and clamps; The bottom of rigidity test table is provided with the coupling part of fixedlying connected with the basis, ground;
Push rod arranges one to one with hand fire extinguisher, and the top is the working end of jack-up hand fire extinguisher, and the bottom of each push rod is fixed on same and moves up and down on the plate; The deck plate of rigidity test table is provided with the through hole with the push rod clearance fit; The height that push rod jack-up hand fire extinguisher breaks away from described table top is equal to or less than the stroke of push rod;
Move up and down plate, the bottom surface is connected with the mobile guide post;
Fixedly supporting plate is fixedlyed connected with described rigidity test table, and fixedly supporting plate is provided with the mobile guide hole that cooperates with described mobile guide post;
Cam drives described mobile guide post moving up and down with a fixed frequency and a fixed journey system;
Servomotor drives described cam and rotates;
Programmable controller PLC and machine governor sum counter carry out control linkage by control line and described servomotor.
When servomotor rotates, the cam driven push rod is with the vertical jack-up of portable powder fire extinguisher, after arriving certain altitude, push rod moves down rapidly, portable powder fire extinguisher is fallen naturally to be contacted with the table top rigidity of rigidity test table, control motor speed with speed regulator, make flame snuffer fall frequency and meet the requirements, use the rolling counters forward drop number, these realize control by PLC.
Further: the wheel rim curve of described cam is to be formed by the continuous increase gradually of distance that certain process middle distance of a bit doing gyration around the fixed installation axis of cam fixedly mounts axis; The starting point of doing gyration is designated as paraxial point, and the terminal point of doing gyration is designated as axle point far away; The wheel rim curve at the straight line line between axle point far away and the paraxial point and axle point far away place constitutes the dentation of an acute angle.
The design of cam wheel rim curve, especially described axle point far away place is the dentation of acute angle, making the mobile guide post can leave axle far away puts when supporting, unexpected moves down, form an impact, make and be conducive to the collision that forms an impact between the table top of portable powder fire extinguisher and rigidity test table improve the compacting dynamics of the powder in the flame snuffer, thereby raise the efficiency.
Further: described stand is cylindric, stand and guiding hoop coaxial cable.
Further: described rigidity test table is fixed on the basis, ground by first foot bolt; Described servomotor is fixed on the basis, ground by second foot bolt, is combined with the adjustment nut with second foot bolt; Described fixedly supporting plate is soundd out on the platform by being bolted to described rigidity.
The invention has the beneficial effects as follows: satisfy the examination criteria requirement, and also experiment work efficient height, relatively simple for structure, cost is low, and maintenance maintenance is also very convenient, and long service life.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing:
Fig. 1 is the main cut-open view of a kind of embodiment of the present invention;
Fig. 2 is vertical view embodiment illustrated in fig. 1;
Fig. 3 is sectional view embodiment illustrated in fig. 1;
Fig. 4 be embodiment illustrated in fig. 1 in, mobile guide post limes superiors position and cam position synoptic diagram;
Fig. 5 be embodiment illustrated in fig. 1 in, mobile guide post smallest limit position and cam position synoptic diagram;
Among the figure: basis, 1 ground, 2 foot bolt, 3 nuts, 4 testing tables, 5 foot bolt, 6 nuts, 7 servomotors, 8 bolts, 9 move up and down plate, 10 fixed heads, 11 bolts, 12 through holes, 13 flame snuffer bottom bulkheads, 14 push rods, 15 guiding hoops, 16 stands, 17 hand fire extinguishers, 18 flame snuffer annular bottom portion, 19 table tops, 20 fixing supporting plates, 21 mobile guide holes, 22 mobile guide posts, 23 cams, 231 paraxial points, 232 far away points, 24 programmable controller PLC and machine governor sum counter, 25 control lines, 26 deck plates.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of hand fire extinguisher powder pressing testing machine mainly comprises stand 6, rigidity test table 4, push rod 14, moves up and down plate 9, fixedly supporting plate 20, cam 23, servomotor 7, programmable controller PLC and machine governor sum counter 24.
Stand 6 arranges one to one with hand fire extinguisher 17, is used for placing hand fire extinguisher 17 and supplies hand fire extinguisher 17 to move up and down in stand 6, is provided with the guiding hoop 15 that cooperates with hand fire extinguisher 17 in the described stand 16.Among this embodiment, stand 6 is provided with 3.And this embodiment also further is made as described stand 16 cylindricly, and stand 16 and guiding hoop 15 coaxial cables can be placed hand fire extinguisher 17 so easily and moved up and down for hand fire extinguisher 17 reliably.
Be connected with fixed head 10 by bolt 11 on the table top 19 of rigidity test table 4, this table top 19 is the end face of deck plate 26.Stand 16 places on the described table top 19 and by described fixed head 10 and clamps.The bottom of rigidity test table 4 is provided with and 1 coupling part of fixedlying connected, basis, ground.Among this embodiment, the coupling part of described rigidity test table 4 bottoms is fixed on the basis, ground by first foot bolt 2, and this first foot bolt 2 is combined with nut 3.
The bottom surface that moves up and down plate 9 is connected with mobile guide post 22.
Fixedly supporting plate 20 is fixedlyed connected with described rigidity test table 4, can be that to weld also can be to adopt web member to connect.Among this embodiment, fixedly supporting plate 20 is to be fixed on described rigidity by bolt 8 to sound out on the platform, and is positioned at the below of deck plate 26.Fixedly supporting plate 20 is provided with the mobile guide hole 21 that cooperates with mobile guide post 22.
Cam 23 drives mobile guide post 22 moving up and down with a fixed frequency and a fixed journey system.The described fixed frequency that this testing machine is set is 1Hz, and its fixed journey system makes that hand fire extinguisher is 15mm by the height of jack-up, satisfies testing requirements.
Further this cam 23 is designed in the present embodiment, the wheel rim curve of this cam 23 is to be formed by the continuous increase gradually of distance that certain process middle distance of a bit doing gyration around the fixed installation axis of cam fixedly mounts axis; The starting point of doing gyration is designated as paraxial point 231, and the terminal point of doing gyration is designated as axle point 232 far away; The wheel rim curve at the straight line line between axle point 232 far away and the paraxial point 231 and axle point far away 232 places constitutes the dentation of an acute angle.
The design of this cam wheel rim curve, especially axle point far away 232 places are the dentation of acute angle, mobile guide post 22 makes when can leave 232 supports of far away point, unexpected moves down, form an impact, make and be conducive to the collision that forms an impact between the table top 19 of hand fire extinguisher 17 and rigidity test table improve the compacting dynamics of the powder in the flame snuffer 17, thereby raise the efficiency.
Servomotor 7 drives described cam 23 and rotates.Among this embodiment, servomotor 7 is fixed on the basis, ground by second foot bolt 5, is combined with second foot bolt and adjusts nut 6.
Programmable controller PLC and machine governor sum counter 24 carry out control linkage by control line 25 with servomotor 7.
During work, servomotor 7 driving cams 23 rotate, and cam 23 cooperates with mobile guide post 22, and the mobile guide post 22 edges fixedly mobile guide hole 21 on the supporting plate 20 move up and down.Mobile guide post 22 drives to move up and down plate 9 and further drive and is arranged on the push rod 14 that moves up and down on the plate 9 and moves up and down along the through hole 12 on the rigidity test table 4.
Anxious drop height degree in cam 23 structures is during greater than 15mm, and adjusting nut 6 and bolt 8, to change push rods 14 lifting altitudes be stroke, so that hand fire extinguisher 13 falling heights satisfy 15mm.
The rotating speed of servomotor 7 and counting are controlled by programmable controller PLC and machine governor sum counter 24, thereby realize that 3 hand fire extinguishers fall on the table top 19 of rigidity level continuous 500 times requirement simultaneously in vertical direction from the 15mm eminence with the frequency of 1Hz.
The present invention is not limited only to above-mentioned embodiment.
Claims (4)
1. a hand fire extinguisher powder pressing testing machine is characterized in that, comprising:
Stand (6), be used for one to one placing hand fire extinguisher (17) and moving up and down in stand for hand fire extinguisher (17) with hand fire extinguisher (17), be provided with the guiding hoop (15) that cooperates with hand fire extinguisher (17) in the described stand (16);
Rigidity test table (4), its table top (19) is gone up and is connected with fixed head (10) by bolt (11), and this table top (19) is the end face of deck plate (26), and stand (16) places described table top (19) to go up and clamped by described fixed head (10); The bottom of rigidity test table (4) is provided with the coupling part of fixedlying connected with basis, ground (1);
Push rod (14) arranges one to one with hand fire extinguisher (17), and the top is the working end of jack-up hand fire extinguisher (17), and the bottom of each push rod (14) is fixed on same and moves up and down on the plate (9); The deck plate of rigidity test table (26) is provided with the through hole (12) with push rod (14) clearance fit; The height that push rod (14) jack-up hand fire extinguisher (17) breaks away from described table top (19) is equal to or less than the stroke of push rod (14);
Move up and down plate (9), the bottom surface is connected with mobile guide post (22);
Fixedly supporting plate (20) is fixedlyed connected with described rigidity test table (4), and fixedly supporting plate is provided with the mobile guide hole (21) that cooperates with described mobile guide post (22);
Cam (23) drives described mobile guide post (22) moving up and down with a fixed frequency and a fixed journey system;
Servomotor (7) drives described cam (23) and rotates;
Programmable controller PLC and machine governor sum counter (24) carry out control linkage by control line (25) and described servomotor (7).
2. a kind of hand fire extinguisher powder pressing testing machine according to claim 1 is characterized in that: the wheel rim curve of described cam (23) is to be formed by the continuous increase gradually of distance that certain process middle distance of a bit doing gyration around the fixed installation axis of cam fixedly mounts axis; The starting point of doing gyration is designated as paraxial point, and the terminal point of doing gyration is designated as axle point far away; The wheel rim curve at the straight line line between axle point far away and the paraxial point and axle point far away place constitutes the dentation of an acute angle.
3. a kind of hand fire extinguisher powder pressing testing machine according to claim 1, it is characterized in that: described rigidity test table (4) is fixed on the basis, ground by first foot bolt (2); Described servomotor (7) is fixed on the basis, ground by second foot bolt (5), is combined with second foot bolt and adjusts nut (6); Described fixedly supporting plate (20) is fixed on described rigidity by bolt (8) and sounds out on the platform.
4. a kind of hand fire extinguisher powder pressing testing machine according to claim 1 is characterized in that: described stand (16) is for cylindric, stand (16) and guiding hoop (15) coaxial cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245093.XA CN103344551B (en) | 2013-06-19 | 2013-06-19 | Powder compaction testing machine for portable fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245093.XA CN103344551B (en) | 2013-06-19 | 2013-06-19 | Powder compaction testing machine for portable fire extinguisher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103344551A true CN103344551A (en) | 2013-10-09 |
| CN103344551B CN103344551B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310245093.XA Expired - Fee Related CN103344551B (en) | 2013-06-19 | 2013-06-19 | Powder compaction testing machine for portable fire extinguisher |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003038668A (en) * | 2001-08-02 | 2003-02-12 | Yamato Protec Co | Method for confirming and testing sealing plate breakage of pressure powder fire extinguisher and device therefor |
| US20110240150A1 (en) * | 2008-07-08 | 2011-10-06 | Albemarle Corporation | System and method for detecting pluggage in a conduit for delivery of solids and carrier gases to a flowing gas stream |
| CN202562831U (en) * | 2012-04-28 | 2012-11-28 | 哈尔滨理工大学 | Flow table vibration detection instrument |
| CN203299104U (en) * | 2013-06-19 | 2013-11-20 | 山东省产品质量监督检验研究院 | Powder compaction test machine for portable fire extinguishers |
-
2013
- 2013-06-19 CN CN201310245093.XA patent/CN103344551B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003038668A (en) * | 2001-08-02 | 2003-02-12 | Yamato Protec Co | Method for confirming and testing sealing plate breakage of pressure powder fire extinguisher and device therefor |
| US20110240150A1 (en) * | 2008-07-08 | 2011-10-06 | Albemarle Corporation | System and method for detecting pluggage in a conduit for delivery of solids and carrier gases to a flowing gas stream |
| CN202562831U (en) * | 2012-04-28 | 2012-11-28 | 哈尔滨理工大学 | Flow table vibration detection instrument |
| CN203299104U (en) * | 2013-06-19 | 2013-11-20 | 山东省产品质量监督检验研究院 | Powder compaction test machine for portable fire extinguishers |
Non-Patent Citations (2)
| Title |
|---|
| STANDARDS AUSTRALIA ET AL.: "《AS-NZS 1841-5(2007): Portable fire extinguishers-part 5-Specific requirements for powder type extinguishers》", 31 December 2007 * |
| 中华人民共和国国家质量监督检验检疫总局 等: "《GB 4351.1-2005 手提式灭火器 第1部分：性能和结构要求》", 31 October 2005 * |
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| Publication number | Publication date |
|---|---|
| CN103344551B (en) | 2015-05-27 |
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Address after: 250103, No. ten East 8168, Licheng District, Shandong, Ji'nan Applicant after: Shandong Province product quality inspection research institute Address before: 250103, No. ten East 8168, Licheng District, Shandong, Ji'nan Applicant before: Shandong Supervision and Inspection Institute for Product Quality |
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