CN203745312U - Bending performance test device for industrial detonator - Google Patents
Bending performance test device for industrial detonator Download PDFInfo
- Publication number
- CN203745312U CN203745312U CN201420106082.3U CN201420106082U CN203745312U CN 203745312 U CN203745312 U CN 203745312U CN 201420106082 U CN201420106082 U CN 201420106082U CN 203745312 U CN203745312 U CN 203745312U
- Authority
- CN
- China
- Prior art keywords
- detonator
- fixed block
- table top
- worktable
- industrial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a bending performance test device for an industrial detonator. The device comprises a working table, wherein one or more positioning blocks are arranged on the table surface of the working table, and a rope hole running through the table surface is formed in the part, of the table surface, on one side of each positioning block; each positioning block comprises an upper fixed block and a lower fixed block which are correspondingly matched up and down; during testing, one end of the detonator is clamped between the upper fixed block and the lower fixed block, and a steel ring sleeves the other end of the detonator; the steel ring is connected with the upper end of a rope, and the lower end of the rope is connected with a counterweight; a lifting table is arranged at the bottom of the working table, and corresponds to the counterweight. The device is applied to testing the bending performance of various types and varieties of industrial detonators, is simple in structure and convenient to operate, and meets the technical requirements of bending performance test of the industrial detonator.
Description
Technical field
The utility model belongs to industrial detonator technical field of performance test, is specifically related to the device for the test of industrial detonator anti-bending strength.
Background technology
Industrial detonator anti-bending strength is to weigh industrial detonator to be subject to extraneous bending load and to do the used time, resist the ability of contingent damage and accidental explosion, to characterize the important indicator that industrial detonator is resisted mechanical load action sensitivity, its level is just not only the important evidence of evaluating the danger size of industrial detonator in production, transportation, storage and use procedure, is also in production, transportation, storage and the use procedure of determining at detonator, to adopt the important references of which kind of equipment, method, condition and measure.
China is industrial detonator big producing country, and the annual production of 2011 reaches 22.79 hundred million, and manufacturing enterprise and product variety and specification are all more.Due to the quality standard there is no at present about industrial detonator shell aspect, each industrial detonator manufacturing enterprise is all processing shell voluntarily substantially, be subject to the impact of starting material, production Technology and management level, cause the machine security quality of China's industrial detonator uneven.Industrial detonator is the relatively high industrial explosive material of a class sensitivity, and mechanical effect is had to higher susceptibility, careless slightlyly will cause detonator accidental ignition or inefficacy, causes the massive losses of people's life, property.Although people are producing, are transporting, are storing and using the mechanical effect security in overall process to show great attention to it always; Yet the shotfiring safety accident that industrial detonator accidental explosion or disabler cause still occurs repeatedly, to the people's lives and property, cause very large loss.For example detonator is subject to owing to operating or placing the improper detonator that causes against regulations that bending load effect bends, rupturing causes accidental ignition or disabler in production, transportation and storage process; In blast hole charging process, medium-length hole blasting especially, because detonator is subject to the effect generation detonator deformation failure of bending load or meets accident blast etc.Obviously, if improve industrial detonator anti-bending strength, just can effectively reduce this type of accident odds, ensure the safety of people's lives and properties.Improve the anti-bending strength of industrial detonator, just necessary unified test and the evaluation method of model science, the anti-bending strength of quantitatively characterizing industrial detonator, provides reliable foundation for improving the unified effective target level of product quality of security, formulation of product.
At present, domesticly also do not set up the standard test method of industrial detonator anti-bending strength, do not see the correlative study report of industrial detonator anti-bending strength test aspect yet.Therefore, the current domestic relevant devices device that carries out the test of detonator anti-bending strength that there is no.More external developed countries have included the anti-bending strength of industrial detonator in product standard, there is corresponding standardization test method, but only stipulated test condition in detonator anti-bending strength standardization test method, as the diameter dimension of detonator pilot hole, bending load is big or small and apply the technical conditions such as position, for testing apparatus, there is no concrete regulation.There is no at present the professional equipment device for the test of industrial detonator anti-bending strength both at home and abroad.
Utility model content
In order to solve the standardization test problem of industrial detonator, the utility model provides a kind of test unit of industrial detonator anti-bending strength.
The concrete structure of the test unit of industrial detonator anti-bending strength is as follows:
A kind of industrial detonator experiment on flexural behavior device comprises the worktable 4 of desk shape, and the table top of described worktable 4 is provided with more than one locating piece, offers the bridle port that connects table top on the table top of locating piece one side; Described locating piece comprises upper fixed block 2 and the lower fixed block 3 of upper and lower corresponding matching, the bottom surface of upper fixed block 2 is provided with pickup groove 9, the end face of lower fixed block 3 is provided with lower pickup groove 10, and fixed groove 9 and lower pickup groove 10 corresponding matching are formed for the fixing pilot hole of detonator; During test, one end of detonator 8 is positioned at pilot hole, and the other end of detonator 8 is arranged with steel loop 6; Described steel loop 6 is connecting the upper end of rope, and the lower end of rope is connecting counterweight 7, and the bottom in worktable 4 is provided with lifting table 5, and described lifting table 5 comprises the cylinder that hoists, and the piston rod overhanging end of the cylinder that hoists is provided with platform, counterweight 7 correspondences of described platform and rope lower end.
The table top of described worktable 4 is provided with four locating pieces, on the table top of each locating piece one side, offer respectively the bridle port that connects table top, between the upper fixed block 2 of each locating piece and lower fixed block 3, be threaded connection part and connect, every lower fixed block 3 is fixed on the table top of worktable 4 by being threaded connection part.
Described steel loop 6 is short tube shape, and the footpath at its excircle middle part is upwards provided with annular anti-slip tank 14, offers the trimming groove 13 of a perforation on axially, and during use, rope winding is in anti-slip tank 14.
On the table top of worktable 4, be covered with anti-explosion cover 1.
Useful technique effect of the present utility model embodies in the following areas:
1. the utility model is applicable to the test of anti-bending strength of the industrial detonator of dissimilar and kind.By changing detonator location bloom and the test of steel loop realization to the anti-bending strength of the industrial detonator of dissimilar and kind on this test unit; On the other hand, the quantity of the detonator of installation location bloom can be according to the size dimension adjustment of support; The large I of the detonator pilot hole on detonator location bloom and steel loop is adjusted according to detonator external diameter, has solved the industrial detonator versatility problem of test different types and kind;
2. the utility model reasonable in design.Detonator pilot hole is comprised of upper pickup groove and lower pickup groove, is bolted fixingly, can according to detonator external diameter, adjust the aperture of detonator pilot hole to a certain extent, solve the industrial detonator versatility problem of test different types and kind; On steel loop, have the wide steel loop internal diameter trimming groove of a 2mm, by fixture, can finely tune steel loop internal diameter, solved the industrial detonator versatility problem of test different types and kind; The anti-slip tank that has the about 1mm of Radius on steel loop external diameter, can prevent that the seizing wire that hangs weight from sliding; Between the upper fixed block of anti-explosion cover, detonator locating piece and lower fixed block and worktable, all adopt bascule, be bolted fixingly, be convenient to change;
3. this apparatus structure is simple, easy to operate, meets the technical requirement of industrial detonator flexing resistance performance test.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structure cut-open view.
Fig. 3 is when test detonator stress figure not.
Detonator stress figure when Fig. 4 is test.
Fig. 5 is the structural representation of detonator locating piece.
Fig. 6 is steel loop 6 structural representations.
Sequence number in upper figure: anti-explosion cover 1, upper fixed block 2, lower fixed block 3, worktable 4, lifting table 5, steel loop 6, counterweight 7, detonator 8, upper pickup groove 9, lower pickup groove 10, trimming groove 13, anti-slip tank 14.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
embodiment 1
A kind of industrial detonator experiment on flexural behavior device comprises the worktable 4 of desk shape; On the table top of worktable 4, be installed with a locating piece, on the table top of locating piece one side, offer the bridle port that connects table top.Referring to Fig. 5, locating piece comprises upper fixed block 2 and the lower fixed block 3 of upper and lower corresponding matching, the bottom surface of upper fixed block 2 offers pickup groove 9, and the end face of lower fixed block 3 offers lower pickup groove 10, and upper pickup groove 9 and lower pickup groove 10 corresponding matching are formed for the fixing pilot hole of detonator 8.The table top upper cover of worktable 4 is provided with anti-explosion cover 1.During test, one end of detonator 8 is positioned at fixed block 2 and lower fixed block 3 coordinates the pilot hole forming, and the other end of detonator 8 is set with steel loop 6.Referring to Fig. 6, steel loop 6 is short tube shape, and the footpath at its excircle middle part is upwards provided with annular anti-slip tank 14, offers the trimming groove 13 of a perforation on axially; During use, steel loop 6 is connecting the upper end of rope, and rope winding is in anti-slip tank 14; The lower end of rope is connecting counterweight 7.
Bottom in worktable 4 is provided with lifting table 5, and lifting table 5 comprises the cylinder that hoists, and on the piston rod overhanging end of the cylinder that hoists, is installed with platform, counterweight 7 correspondences of platform and rope lower end.
Referring to Fig. 3, during on-test, lifting table 5 is carrying the weight of counterweight 7, and detonator 8 is in stress not; Along with the retraction of the piston rod of lifting table 5, lifting table 5 is cancelled the support to counterweight 7, and detonator 8, in stress, is shown in Fig. 4; Detonator 8 is applied to a power straight down, make detonator 8 be subject to bending load effect.By changing size, the force part of power, reach the object of the anti-bending strength of comprehensive assessment detonator 8.
Detonator beam test step:
First on the body of detonator 8, mark the weak position (having card waist detonator is Ka Yaochu) of intensity, with the moment arm of force, being principle to the maximum inserts the root of detonator 8 (or head) portion in the pilot hole between upper fixed block 2 and lower fixed block 3, till being inserted into the weak position of mark in advance, end in 8 (or root) portion one end of detonator puts steel loop 6, and counterweight 7 is positioned on lifting table 5; Anti-slip tank 14 places that one end of rope tied up to steel loop 6, the other end of rope ties up on counterweight 7, and makes rope in complete relaxed state.Then, slowly reduce lifting table 5 and apply an acting force vertically downward to detonator 8, continue to reduce lifting table 5, until counterweight 7 departs from lifting table 5 completely, the acting force that counterweight 7 applies acts on detonator 8 completely, keeps at least 5s.Observe, record detonator 8 damaged conditions such as ignition or shell generation fracture or bending occur.
embodiment 2
Referring to Fig. 1 and Fig. 2, the table top of worktable 4 is provided with four locating pieces, on the table top of each locating piece one side, offer respectively the bridle port that connects table top, between the upper fixed block 2 of each locating piece and lower fixed block 3, be threaded connection part and connect, every lower fixed block 3 is fixed on the table top of worktable 4 by being threaded connection part.
Concrete test operation is with embodiment 1.
Claims (4)
1. an industrial detonator experiment on flexural behavior device, is characterized in that: comprise the worktable (4) of desk shape, the table top of described worktable (4) is provided with more than one locating piece, offers the bridle port that connects table top on the table top of locating piece one side; Described locating piece comprises upper fixed block (2) and the lower fixed block (3) of upper and lower corresponding matching, the bottom surface of upper fixed block (2) is provided with pickup groove (9), the end face of lower fixed block (3) is provided with lower pickup groove (10), and fixed groove (9) and lower pickup groove (10) corresponding matching are formed for the fixing pilot hole of detonator; During test, one end of detonator (8) is positioned at pilot hole, and the other end of detonator (8) is arranged with steel loop (6); Described steel loop (6) is connecting the upper end of rope, the lower end of rope is connecting counterweight (7), bottom in worktable (4) is provided with lifting table (5), described lifting table (5) comprises the cylinder that hoists, the piston rod overhanging end of cylinder of hoisting is provided with platform, counterweight (7) correspondence of described platform and rope lower end.
2. a kind of industrial detonator experiment on flexural behavior device according to claim 1, it is characterized in that: the table top of described worktable (4) is provided with four locating pieces, on the table top of each locating piece one side, offer respectively the bridle port that connects table top, between the upper fixed block (2) of each locating piece and lower fixed block (3), be threaded connection part and connect, every lower fixed block (3) is fixed on the table top of worktable (4) by being threaded connection part.
3. a kind of industrial detonator experiment on flexural behavior device according to claim 1 and 2, it is characterized in that: described steel loop (6) is short tube shape, the footpath at its excircle middle part is upwards provided with annular anti-slip tank (14), axially, offer the trimming groove (13) of a perforation, during use, rope winding is in anti-slip tank (14).
4. a kind of industrial detonator experiment on flexural behavior device according to claim 1 and 2, is characterized in that: on the table top of worktable (4), be covered with anti-explosion cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106082.3U CN203745312U (en) | 2014-03-10 | 2014-03-10 | Bending performance test device for industrial detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106082.3U CN203745312U (en) | 2014-03-10 | 2014-03-10 | Bending performance test device for industrial detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745312U true CN203745312U (en) | 2014-07-30 |
Family
ID=51345097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420106082.3U Withdrawn - After Issue CN203745312U (en) | 2014-03-10 | 2014-03-10 | Bending performance test device for industrial detonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852385A (en) * | 2014-03-10 | 2014-06-11 | 中煤科工集团淮北***技术研究院有限公司 | Device for testing bending resistance of industrial detonator |
-
2014
- 2014-03-10 CN CN201420106082.3U patent/CN203745312U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852385A (en) * | 2014-03-10 | 2014-06-11 | 中煤科工集团淮北***技术研究院有限公司 | Device for testing bending resistance of industrial detonator |
| CN103852385B (en) * | 2014-03-10 | 2016-05-25 | 中煤科工集团淮北***技术研究院有限公司 | A kind of industrial detonator experiment on flexural behavior device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103852385B (en) | A kind of industrial detonator experiment on flexural behavior device | |
| CN205049423U (en) | Four -point bending test device of full -scale evaluation of tubular product | |
| CN204434047U (en) | A kind of Repair of Transformer adjustable lifting | |
| CN203745312U (en) | Bending performance test device for industrial detonator | |
| CN103523684B (en) | Hoisting coupling device with cooperation of multiple cranes and detection method | |
| CN208545089U (en) | A kind of lift workbench for power engineering | |
| CN104444766B (en) | Electric power transformer insulated sleeve hoisting device | |
| CN202558448U (en) | Electrohydraulic balance hoisting beam | |
| CN204198298U (en) | A kind of column crane mast section connection structure | |
| CN204778377U (en) | Gantry crane landing leg with adjustable height | |
| CN204703199U (en) | Novel pile foundation loading test charger | |
| CN207276108U (en) | A kind of holding load test device for winch | |
| CN203203793U (en) | Lifting lug testing tool | |
| CN202229868U (en) | Testing machine for suction lifting force of lifting permanent magnet | |
| CN208818131U (en) | Tooling is examined in the installation of large-sized low-speed exhaust valve of marine diesel engine conical ring | |
| CN205826176U (en) | Discharging platform load limits autoalarm | |
| CN105225712B (en) | The switching device under water of nuclear power station material-loading/unloading machine weight component load simulation integration | |
| CN204658334U (en) | A kind of large-scale inserted valve spool dismantling device | |
| CN204349919U (en) | Solar battery sheet monomer testboard | |
| CN204278005U (en) | Safety valve carrying clamp | |
| CN204203000U (en) | The non-destructive detecting device of the weld strength of project-welding nut on a kind of auto parts | |
| CN208818585U (en) | Anti-float anchor rod anti-pulling test device | |
| CN108535036B (en) | Tool system for sail land-based lifting test | |
| CN201971582U (en) | Overhead hoist for integral heat shrinkage of crankshafts | |
| CN204301982U (en) | Safety lock testing machine for high-altitude operation hanging basket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |