CN103234773A - Primary belt sampling device with power-off protection function - Google Patents
Primary belt sampling device with power-off protection function Download PDFInfo
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- CN103234773A CN103234773A CN2013101460614A CN201310146061A CN103234773A CN 103234773 A CN103234773 A CN 103234773A CN 2013101460614 A CN2013101460614 A CN 2013101460614A CN 201310146061 A CN201310146061 A CN 201310146061A CN 103234773 A CN103234773 A CN 103234773A
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Abstract
The invention discloses a primary belt sampling device with a power-off protection function, relates to the field of primary belt sampling devices and aims to provide protection when a disconnection fault occurs in the primary belt sampling device. The primary belt sampling device with the power-off protection function comprises a motor (1), a speed reducer (2), a rotating shaft (3), a sampling bucket (4) and a power-off protection device (5), wherein the motor (1) is fixedly connected to the input shaft of the speed reducer (2) and drives the speed reducer to rotate; the rotating shaft (3) is fixedly connected to the output shaft of the speed reducer (2); the sampling bucket (4) is fixed on the rotating shaft (3) and can simultaneously rotate along the rotating shaft (3); and the power-off protection device (5) is fixedly connected with the rotating shaft (3) through a key. According to the primary belt sampling device with the power-off protection function, when the disconnection fault occurs, the sampling bucket retained on a main coal conveying belt which operates at a high speed rotates, so that the main coal conveying belt is avoided, and the primary sampling device is protected.
Description
Technical field
The present invention relates to the elementary sampling apparatus of a kind of belt, relate in particular to a kind of elementary sampling apparatus of belt with power-off protection function.
Background technology
Belt middle part intercepting moulded coal charcoal sampling equipment is adopted in present domestic major port coal samling more, during normal sampling work, the sampling scraper bowl of the elementary sampling apparatus of belt rotates under the driving of motor, crossing belt takes a sample, and dress sample, owing to tend to take place the power failure fault in the sampling process, can stop operating under the drive motor off-position, thereby cause the sampling scraper bowl to stop operating.
Therefore when power outage takes place, when if the sampling scraper bowl of elementary sampling thief is stranded on the main coal conveyer belt of high-speed cruising, coal fails to be convened for lack of a quorum and piles up with near the belt of very high flow sampled point, it is more and more to make coal pile up, cause coal conveyer belt longitudinal tear in the short time when serious, even cause the harbour to be stopped work, thereby cause enormous economic loss.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of elementary sampling apparatus of belt with power-off protection function; can when the power failure fault takes place; the sampling scraper bowl that is stranded on the main coal conveyer belt of high-speed cruising is rotated; thereby avoid main coal conveyer belt, realize the protection to elementary sampling apparatus.
The present invention solves the technical scheme that its technical matters takes:
A kind of elementary sampling apparatus of belt with power-off protection function is provided, it is characterized in that, comprise motor 1, speed reduction unit 2, rotation axis 3, sampling scraper bowl 4 and power-off protection apparatus 5; Wherein said described motor 1 is fixedly connected on the input shaft of described speed reduction unit 2, drives speed reduction unit and rotates; Described rotation axis 3 is fixedly connected on the output shaft of described speed reduction unit 2; Described sampling scraper bowl 4 is fixed on the described rotation axis 3, and can rotate simultaneously with described rotation axis 3; Fixedly connected by key between described power-off protection apparatus 5 and the described rotation axis 3.Wherein, described power-off protection apparatus 5 comprises ratchet 51, and ratchet pawl 52 has the fixed block 53 of extension bar, revolving shaft 54, revoliving arm 55, blocking arm lifting jack 56, revolving sleeve 57, support 58, dilatory lifting jack 59, solenoid directional control valve 510, accumulator 511; Described ratchet 51 is fixedly connected on the described rotation axis 3 by key; Described revolving shaft 54 is fixed on the described support 58; Described revolving sleeve 57 is placed on the described revolving shaft 54, and can be around described revolving shaft 54 rotations; Described revoliving arm 55 1 ends are fixed on the described revolving sleeve 57, and the other end is fixedlyed connected with the tailpiece of the piston rod of described dilatory lifting jack 59; The piston end of described dilatory lifting jack 59 is articulated and connected on described support 58; Described blocking arm lifting jack 56 piston ends are fixed on the described support 58; The described fixed block 53 that has extension bar is fixed on the described revolving sleeve 57; Described ratchet pawl 52 1 ends and the described fixed block that has an extension bar 53 are articulated and connected the other end and the engagement of described ratchet 51 gear teeth inner faces by extension bar.Described accumulator 511 is connected with described solenoid directional control valve 510 by pipeline; Described solenoid directional control valve 510 is connected with described dilatory lifting jack 59 interfaces by pipeline.
The invention has the beneficial effects as follows after disconnection fault takes place, described blocking arm lifting jack 56 piston rods withdrawal, stop to stop the rotation of described revoliving arm 55, described solenoid directional control valve 510 commutations are to right position, make described accumulator 511 be communicated with described dilatory lifting jack 59 rod end chambers, described dilatory lifting jack 59 piston rods retraction under the effect of hydraulic coupling, thereby dilatory described revoliving arm 55 rotates, described revolving sleeve 57 rotates along described revolving sleeve 57 simultaneously, described ratchet pawl 52 and described ratchet 51 gear teeth inner faces engagement, promoting described ratchet 51 rotates, thereby drive described rotation axis 3, described sampling scraper bowl 4 rotates, produce the coal stream of main coal conveyer belt until described sampling scraper bowl 4 after, be in home, thereby reach the purpose of the operate as normal that does not influence main coal conveyer belt.
Description of drawings
Fig. 1 has a power-off protection function for the present invention the elementary sampling apparatus of belt is structural front view under off-position not;
Fig. 2 has a power-off protection function for the present invention the elementary sampling apparatus of belt is the structure right view under off-position not;
Fig. 3 has the elementary sampling apparatus of belt of power-off protection function in the structural front view of disconnection fault generation instantaneous position for the present invention;
Fig. 4 has the structural front view of the elementary sampling apparatus of belt after the generation of disconnection fault of power-off protection function for the present invention.
Reference numeral:
The 1-motor, 2-speed reduction unit, 3-rotation axis; the 4-scraper bowl of sampling, 5-power-off protection apparatus, 51-ratchet; 52-ratchet pawl, 53-have the fixed block of extension bar, the 54-revolving shaft; the 55-revoliving arm, 56-blocking arm lifting jack, 57-revolving sleeve; the 58-support; 59-draws lifting jack, 510-solenoid directional control valve, 511-accumulator.
Embodiment
The present invention aims to provide a kind of elementary sampling apparatus of belt with power-off protection function; can when the power failure fault takes place; the sampling scraper bowl that is stranded on the main coal conveyer belt of high-speed cruising is rotated, thereby avoid main coal conveyer belt, realize the protection to elementary sampling apparatus.
Describe the present invention below in conjunction with accompanying drawing and embodiment.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention has the embodiment of the elementary sampling apparatus of belt of power-off protection function, comprises motor 1, speed reduction unit 2, rotation axis 3, sampling scraper bowl 4 and power-off protection apparatus 5; Wherein said described motor 1 is fixedly connected on the input shaft of described speed reduction unit 2, drives speed reduction unit and rotates; Described rotation axis 3 is fixedly connected on the output shaft of described speed reduction unit 2; Described sampling scraper bowl 4 is fixed on the described rotation axis 3, and can rotate simultaneously with described rotation axis 3; Fixedly connected by key between described power-off protection apparatus 5 and the described rotation axis 3.Wherein, described power-off protection apparatus 5 comprises ratchet 51, and ratchet pawl 52 has the fixed block 53 of extension bar, revolving shaft 54, revoliving arm 55, blocking arm lifting jack 56, revolving sleeve 57, support 58, dilatory lifting jack 59, solenoid directional control valve 510, accumulator 511; Described ratchet 51 is fixedly connected on the described rotation axis 3 by key; Described revolving shaft 54 is fixed on the described support 58; Described revolving sleeve 57 is placed on the described revolving shaft 54, and can be around described revolving shaft 54 rotations; Described revoliving arm 55 1 ends are fixed on the described revolving sleeve 57, and the other end is fixedlyed connected with the tailpiece of the piston rod of described dilatory lifting jack 59; The piston end of described dilatory lifting jack 59 is articulated and connected on described support 58; Described blocking arm lifting jack 56 piston ends are fixed on the described support 58; The described fixed block 53 that has extension bar is fixed on the described revolving sleeve 57; Described ratchet pawl 52 1 ends and the described fixed block that has an extension bar 53 are articulated and connected the other end and the engagement of described ratchet 51 gear teeth inner faces by extension bar.Described accumulator 511 is connected with described solenoid directional control valve 510 by pipeline; Described solenoid directional control valve 510 is connected with described dilatory lifting jack 59 interfaces by pipeline.
Fig. 1 wherein; Fig. 2 has a power-off protection function for the present invention the elementary sampling apparatus of belt is structural front view under off-position not; right view; among Fig. 1 and Fig. 2; the elementary sampling apparatus of belt with power-off protection function is operated under the normal condition; described sampling scraper bowl 4 rotates continuously under the driving of described motor 1 and samples; this moment, described blocking arm lifting jack 56 piston rods stretched out; thereby stop described revoliving arm 55 to rotate along described sampling scraper bowl 4 rotation directions; described ratchet pawl 52 slides at the back of tooth of described ratchet 51; this moment, described solenoid directional control valve 510 was operated in position, a left side; described accumulator 511 and described dilatory lifting jack 59 plunger shaft UNICOMs; piston rod is in the state of stretching out, and makes described revolving sleeve 57 maintain static.
Fig. 3 has the structural front view of the elementary sampling apparatus of belt under disconnection fault generation instantaneous position of power-off protection function for the present invention; among Fig. 3; the described elementary sampling apparatus of belt with power-off protection function takes place instantaneous at disconnection fault; described sampling scraper bowl 4 stops in the coal stream of main coal conveyer belt; described motor 1 outage; described solenoid directional control valve 510 outages, described blocking arm lifting jack 56 piston rods still stretch out, and described solenoid directional control valve 510 begins commutation.
Fig. 4 has the structural front view of the elementary sampling apparatus of belt after the generation of disconnection fault of power-off protection function for the present invention; among Fig. 4; described blocking arm lifting jack 56 piston rods withdrawal; stop to stop the rotation of described revoliving arm 55; described solenoid directional control valve 510 commutations are to right position; make described accumulator 511 be communicated with described dilatory lifting jack 59 rod end chambers; described dilatory lifting jack 59 piston rods retraction under the effect of hydraulic coupling; thereby dilatory described revoliving arm 55 rotates; described revolving sleeve 57 rotates along described revolving shaft 54 simultaneously; described ratchet pawl 52 inserts in the teeth groove of described ratchet 51; promoting described ratchet 51 rotates; thereby drive described rotation axis 3; described sampling scraper bowl 4 rotates; produce the coal stream of main coal conveyer belt until described sampling scraper bowl 4 after; be in home, thereby reach the purpose of the operate as normal that does not influence main coal conveyer belt.
In the present embodiment, solenoid directional control valve 510 preferred two-position four-way solenoid directional control valves.
The elementary sampling apparatus of the belt with power-off protection function in the present embodiment; realized when the power failure fault takes place; the sampling scraper bowl that is stranded on the main coal conveyer belt of high-speed cruising is rotated, thereby avoid main coal conveyer belt, finish the protection to elementary sampling apparatus.
The above; only for the preferable embodiment of the present invention, but the scope of protection of the invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (3)
1. the elementary sampling apparatus of belt with power-off protection function is characterized in that, comprises motor (1), speed reduction unit (2), rotation axis (3), sampling scraper bowl (4) and power-off protection apparatus (5); Wherein said described motor (1) is fixedly connected on the input shaft of described speed reduction unit (2), drives speed reduction unit and rotates; Described rotation axis (3) is fixedly connected on the output shaft of described speed reduction unit (2); Described sampling scraper bowl (4) is fixed on the described rotation axis (3), and can be with (3 rotations simultaneously of described rotation axis; Fixedly connected by key between described power-off protection apparatus (5) and the described rotation axis (3).
2. the elementary sampling apparatus of belt with power-off protection function according to claim 1, wherein, described power-off protection apparatus (5), comprise ratchet (51), ratchet pawl (52), revolving shaft (54), revoliving arm (55), blocking arm lifting jack (56), revolving sleeve (57), support (58), dilatory lifting jack (59), solenoid directional control valve (510), accumulator (511); Described ratchet (51) is fixedly connected on the described rotation axis (3) by key; Described revolving shaft (54) is fixed on the described support (58); Described revolving sleeve (57) is placed on the described revolving shaft (54), and can rotate around described revolving shaft (54); Described revoliving arm (55) one ends are fixed on the described revolving sleeve (57), and the other end is fixedlyed connected with the tailpiece of the piston rod of described dilatory lifting jack (59); The piston end of described dilatory lifting jack (59) is articulated and connected on described support (58); Described blocking arm lifting jack (56) piston end is fixed on the described support (58); The described fixed block (53) that has extension bar is fixed on the described revolving sleeve (57); Described ratchet pawl (52) one ends and the described fixed block (53) that has extension bar are articulated and connected by extension bar, the other end and the engagement of described ratchet (51) gear teeth inner face.Described accumulator (511) is connected with described solenoid directional control valve (510) by pipeline; Described solenoid directional control valve (510) is connected with described dilatory lifting jack (59) interface by pipeline.
3. the elementary sampling apparatus of belt with power-off protection function according to claim 2, wherein said solenoid directional control valve (510) is the two-position four-way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101460614A CN103234773A (en) | 2013-04-25 | 2013-04-25 | Primary belt sampling device with power-off protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101460614A CN103234773A (en) | 2013-04-25 | 2013-04-25 | Primary belt sampling device with power-off protection function |
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| Publication Number | Publication Date |
|---|---|
| CN103234773A true CN103234773A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101460614A Pending CN103234773A (en) | 2013-04-25 | 2013-04-25 | Primary belt sampling device with power-off protection function |
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| CN (1) | CN103234773A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546449A (en) * | 2015-09-18 | 2017-03-29 | 北京通尼科技有限公司 | Sampling belt device |
| CN108152074A (en) * | 2018-03-20 | 2018-06-12 | 河南大有能源股份有限公司石壕洗煤厂 | A kind of belt middle part automatic sampling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137357Y (en) * | 1992-09-30 | 1993-06-30 | 中国矿业大学 | Rubber belt coal flow sampling machine |
| US20090272203A1 (en) * | 2008-05-02 | 2009-11-05 | Johnson Jr George F | Material Sampling Device with Rotatable Tube Assembly |
| CN203241262U (en) * | 2013-04-25 | 2013-10-16 | 煤炭科学研究总院 | Belt primary sampling device |
-
2013
- 2013-04-25 CN CN2013101460614A patent/CN103234773A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137357Y (en) * | 1992-09-30 | 1993-06-30 | 中国矿业大学 | Rubber belt coal flow sampling machine |
| US20090272203A1 (en) * | 2008-05-02 | 2009-11-05 | Johnson Jr George F | Material Sampling Device with Rotatable Tube Assembly |
| CN203241262U (en) * | 2013-04-25 | 2013-10-16 | 煤炭科学研究总院 | Belt primary sampling device |
Non-Patent Citations (2)
| Title |
|---|
| SHIRONG ZHANG ET AL.: ""Optimal control of operation efficiency of belt conveyor systems"", 《APPLIED ENERGY》 * |
| 卢圣强: ""DFB -36型胶带输送机堆煤防滑保护装置"", 《山东煤炭科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546449A (en) * | 2015-09-18 | 2017-03-29 | 北京通尼科技有限公司 | Sampling belt device |
| CN108152074A (en) * | 2018-03-20 | 2018-06-12 | 河南大有能源股份有限公司石壕洗煤厂 | A kind of belt middle part automatic sampling machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA COAL RESEARCH INSTITUTE CO., LTD. Free format text: FORMER OWNER: COAL GENERAL ACADEMY Effective date: 20140801 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140801 Address after: 100013 No. 5 Youth Road, Heping Street, Beijing Applicant after: Co., Ltd of coal science and technology academy Address before: 100013 Beijing, Hepingli Youth ditch East Road, No. 5, No. Applicant before: General Research Institute of Coal Science |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130807 |