CN203385579U - Bridge type coal sampling machine - Google Patents
Bridge type coal sampling machine Download PDFInfo
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- CN203385579U CN203385579U CN201320430863.3U CN201320430863U CN203385579U CN 203385579 U CN203385579 U CN 203385579U CN 201320430863 U CN201320430863 U CN 201320430863U CN 203385579 U CN203385579 U CN 203385579U
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- sampling
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Abstract
The utility model discloses a bridge type coal sampling machine which comprises a cart walking mechanism, a sampling trolley, a feeding machine, a sample preparing system and an operation control system, wherein sampling heads, an oil cylinder, a lifting device and a hanging bracket are arranged on the sampling trolley; an angle steel guide rail and a trough type guide wheel are arranged on the lifting device, and are matched so that the sample heads can be kept on a straight line when being lifted. A coal storage chute is formed in the sampling trolley. The bridge type coal sampling machine is simple in structure, convenient to use, long in service life and high in reliability. The sampling trolley has an overhaul and maintenance space so as to provide the guarantee on daily overhaul and maintenance for a user; a gap between each sampling head and the guide rail can be conveniently regulated, the sampling heads are enabled to be kept on the straight line when being lifted, the stability of the sampling heads in the lifting process is enhanced due to the adoption of the angle steel guide rail, and the abrasion of a sealing ring of the oil cylinder is greatly reduced. A coal sample after three points are stored can be discharged to a sample preparing workshop, and thus the sampling time is saved, and the sampling efficiency is improved.
Description
Technical field
The utility model relates to thermal power generation station-service raw coal sampling machine field, is specifically related to a kind of bridge-type coal Sampling Machine.
Background technology
At present, electric energy has been applied in the middle of actual productive life widely as a kind of free of contamination clear energy sources, and the generating plant that produces electric energy is mainly three kinds of fuel-burning power plant, hydraulic power plant and nuclear plants at present.In China, due to the impact of various factors, especially in the majority with fuel-burning power plant.The present topmost energy source in this fuel-burning power plant is coal, in order to make energy, can change fully, there is certain requirement fuel-burning power plant to the raw coal quality of its use, and whether can reach standard with entering the raw coal that factory's raw coal sampling machine comes sampling Detection to be used.
Existing separate train, automobile sampling small car generally only have sampling head and jacking gear, and the sampling head lifting adopts wire rope, sprocket wheel chain, rack-and-pinion or hydraulic driving mode, and the guide rail that adopts two channel-section steels to make; Sampling small car is often adopted a sample and just need to be got back to the sample preparation machine room coal sample is laid down.If the sampling head lifting adopts the Mechanical Driven lifting, as wire rope, sprocket wheel chain etc., complex structure, need the corresponding counterweight of configuration, simultaneously, run into large coal or other foreign matters for sampling head in sampling process and can't inherit down when down-sampled, effective protective device can't be set, repair and maintenance inconvenience, if the sampling head lifting adopts the hydraulic-driven up-down mode, two guide rails of making of channel-section steel only are set, what coordinate with it is cylindrical angle sheave, when preventing the sampling head lifting and guide rail generation jam phenomenon, gap between angle sheave and guide rail is larger, monolateral approximately 6 millimeters, easily cause rocking of sampling head in lifting, and on the plane do not formed at two guide rails due to guide rail with due to oil cylinder, in real work, the center of oil cylinder and sampling head lifting does not overlap, therefore, easily cause the eccentric wear of cylinder seal, reduce the serviceable life of cylinder seal.
Sampling small car can't store the coal sample that a joint compartment is taked, and can only often adopt a sample and just get back to the sample preparation machine room coal sample is laid down, and makes the sampling time greatly increase, and the sampling time of a joint car, about 5-6 minute, can not be caught up with the operation frequency of tippler.
The utility model content
The purpose of this utility model is exactly in order to make up the defect of prior art, and a kind of cylinder seal eccentric wear that prevents is provided, and can store the bridge-type coal Sampling Machine of coal sample.
To achieve these goals, the utility model provides a kind of bridge-type coal Sampling Machine, it comprises cart walking mechanism, sampling small car, batcher, sample-preparing system, operation control system, be provided with sampling head, oil cylinder, jacking gear and suspension bracket on described sampling small car, it is characterized in that: be provided with angle guide and grooved angle sheave on described jacking gear, described angle guide and grooved angle sheave are suitable, make described sampling head can keep point-blank when lifting.
Preferably, be provided with the coal storage chute on described sampling small car.
Preferably, the gap of described angle guide and grooved angle sheave is less than 3mm.
More preferably, described angle guide is 3.
Preferably, described coal storage chute bottom is provided with the door of automatic control.
Preferably, the capacity of described coal storage chute is 160 kilograms.
More preferably, be provided with the repair and maintenance space on described suspension bracket.
Preferably, described oil cylinder is the hydraulic push rod type oil cylinder.
Preferably, described oil cylinder is air-leg formula oil cylinder.
More preferably, described sampling head is provided with the electrical overloads protective device.
The utility model is simple in structure, lightweight, and dirigibility is strong, and the life-span is long, and unfailing performance is high.The utility model is by the integrated sampling head of suspension bracket, oil cylinder, guide rail and coal storage chute, both easy for installation, can in factory, install, and reduces on-the-spot installation workload, and enough repair and maintenance spaces are arranged again, for user's maintenance repair, safeguards and provides safeguard; Adopt three angle steel to make the guide rail of sampling head lifting, coordinate the grooved angle sheave, can adjust easily the gap of sampling head and guide rail, while guaranteeing the sampling head lifting, keep point-blank, angle guide has strengthened the stability of sampling head in lifting process, greatly reduces the wearing and tearing of cylinder seal.Be provided with the coal storage chute on described sampling small car, can have adopted a joint and again the coal sample of three points has been discharged to the sample preparation machine room behind compartment, from 5 to 6 minutes sampling times in a joint compartment can be dropped in 2.6 minutes, save the sampling time, improved sampling efficiency.
The accompanying drawing explanation
Fig. 1 is part-structure schematic diagram of the present utility model;
Fig. 2 is the working state figure of Fig. 1;
The implication of Reference numeral in figure: 1 sampling head, 2 oil cylinders, 3 jacking gears, 4 suspension brackets, 5 angle guides, 6 grooved angle sheaves, 7 coal storage chutes.
Embodiment
Below in conjunction with Figure of description, the utility model is described further.
As depicted in figs. 1 and 2, the utility model provides a kind of bridge-type coal Sampling Machine, it comprises cart walking mechanism, sampling small car, batcher, sample-preparing system, operation control system, be provided with sampling head 1, oil cylinder 2, jacking gear 3 and suspension bracket 4 on described sampling small car, be provided with angle guide 5 and grooved angle sheave 6 on described jacking gear 3, described angle guide 5 and grooved angle sheave 6 are suitable, described angle guide 5 is 1mm with the gap of grooved angle sheave 6, makes described sampling head 1 can keep point-blank when lifting.Described oil cylinder 2 is the hydraulic push rod type oil cylinder.During sampling head 1 sampling along angle guide 5 VTOL (vertical take off and landing); angle guide 5 can be realized the location of 1 three directions of sampling head; with the lifting of guaranteeing that sampling head 1 is vertical; lifting is realized by the flexible of hydraulic cylinder; sampling head 1 is provided with hydraulic pressure and electrical overloads protection, and sampling head 1 adopts the spiral drill modus ponens, and sampling head 1 head is embedded with blade; can adapt to the first broken function that certain thickness freezes coal sampling and bulk coal sample, thereby guarantee full-section sampling.The Sampling Machine sampling depth, by approach switch and travel switch duplicate protection, prevents from the compartment subdrilling is worn.Be provided with the division function on sampling head 1 one time, the coal of abandoning after division directly flows back to compartment by material blanking tube.Sampling small car can be realized according to the requirement of national standard full compartment stochastic sampling under the cooperation of cart walking mechanism.
Be provided with coal storage chute 7 on described sampling small car, make bridge-type coal sampling function adopt a joint compartment and unload coal to the sample preparation machine room again after the coal sample of totally three points.Sampling head 1 adopts full face sample mode, approximately 60 kilograms of the sampling quantities of once sampling, in order to reduce the sampling time, catch up with the work tempo of tippler, 160 kilograms of coal storage chute 7 capacity, can store the i.e. sampling quantity in a joint compartment of 3 points, the bottom of described coal storage chute 7 is provided with the door of automatic control.After having adopted first coal sample, need not get back to the sample preparation machine room, can directly be sampled to next sampled point under the control of program, so until adopted after the coal sample of three points and return the sample preparation machine room and lay down.The sampling time in one joint compartment can be controlled within 2.6 minutes, can meet normally the unload coal requirement of operation of power plant.
Be provided with suspension bracket 4 on described sampling small car, be provided with the repair and maintenance space on suspension bracket 4.Described suspension bracket is the shaped steel manufacture, and sampling head 1, oil cylinder 2, angle guide 5 and coal storage chute 7 all are arranged on suspension bracket 4, and suspension bracket 4 materials adopt No. 10 channel-section steels.Firm in structure, lightweight, only have 1058 kilograms, suspension bracket 4 is arranged on sampling small car, has also stayed enough repair and maintenance spaces, facilitates the user to carry out necessary repair and maintenance work in the future.
Be provided with three angle guides 5 on suspension bracket 4 and coordinate grooved angle sheave 6 can guarantee that the sampling head lifting can keep straight line, for preventing oil cylinder 2 O-ring seal eccentric wears, extend the serviceable life of O-ring seal; For preventing that oil cylinder 2 O-ring seals from producing eccentric wear, sampling head 1 lifting has changed the working method of original two guide rails, and three angle guides 5 have strengthened the stability of sampling head 1 in lifting process, greatly reduce the wearing and tearing of the O-ring seal of oil cylinder 2.
The utility model can be realized automatically or semi-automatic completing sampling, sample preparation, collection sample process, and is furnished with remaining coal and returns row function, gathers and processes sampling technology and meets national standard, gets rid of the interference of human factor fully, sampling coal is realized scientific, standardization.This equipment mainly is applicable to the place that coal-fired power plant, colliery, harbour etc. need carry out coal property test, meets to greatest extent user's needs.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a bridge-type coal Sampling Machine, it comprises cart walking mechanism, sampling small car, batcher, sample-preparing system, operation control system, be provided with sampling head, oil cylinder, jacking gear and suspension bracket on described sampling small car, it is characterized in that: be provided with angle guide and grooved angle sheave on described jacking gear, described angle guide and grooved angle sheave are suitable, make described sampling head can keep point-blank when lifting.
2. bridge-type coal Sampling Machine according to claim 1, is characterized in that: be provided with the coal storage chute on described sampling small car.
3. bridge-type coal Sampling Machine according to claim 1, it is characterized in that: the gap of described angle guide and grooved angle sheave is less than 3mm.
4. bridge-type coal Sampling Machine according to claim 3, it is characterized in that: described angle guide is 3.
5. bridge-type coal Sampling Machine according to claim 2, is characterized in that: the door that is provided with automatic control bottom described coal storage chute.
6. bridge-type coal Sampling Machine according to claim 5, it is characterized in that: the capacity of described coal storage chute is 150 kilograms.
7. bridge-type coal Sampling Machine according to claim 1, is characterized in that: be provided with the repair and maintenance space on described suspension bracket.
8. bridge-type coal Sampling Machine according to claim 1, it is characterized in that: described oil cylinder is the hydraulic push rod type oil cylinder.
9. bridge-type coal Sampling Machine according to claim 1, it is characterized in that: described oil cylinder is air-leg formula oil cylinder.
10. according to the described bridge-type coal of claim 1 to 9 any one Sampling Machine, it is characterized in that: described sampling head is provided with the electrical overloads protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430863.3U CN203385579U (en) | 2013-07-17 | 2013-07-17 | Bridge type coal sampling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430863.3U CN203385579U (en) | 2013-07-17 | 2013-07-17 | Bridge type coal sampling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385579U true CN203385579U (en) | 2014-01-08 |
Family
ID=49874057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430863.3U Expired - Fee Related CN203385579U (en) | 2013-07-17 | 2013-07-17 | Bridge type coal sampling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748997A (en) * | 2015-01-22 | 2015-07-01 | 浙江华电电站设备有限公司 | Bridge-type intelligentized car coal sampling machine and sampling method thereof |
| CN109406192A (en) * | 2018-12-14 | 2019-03-01 | 长沙开元仪器有限公司 | Spiral sampling prototype |
-
2013
- 2013-07-17 CN CN201320430863.3U patent/CN203385579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748997A (en) * | 2015-01-22 | 2015-07-01 | 浙江华电电站设备有限公司 | Bridge-type intelligentized car coal sampling machine and sampling method thereof |
| CN109406192A (en) * | 2018-12-14 | 2019-03-01 | 长沙开元仪器有限公司 | Spiral sampling prototype |
| CN109406192B (en) * | 2018-12-14 | 2024-05-24 | 长沙开元仪器有限公司 | Spiral sampling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140717 |
|
| EXPY | Termination of patent right or utility model |