CN202991125U - Scraper conveyor for thin coal seam fully-mechanized working face with 60-degree large dip angle - Google Patents
Scraper conveyor for thin coal seam fully-mechanized working face with 60-degree large dip angle Download PDFInfo
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- CN202991125U CN202991125U CN 201220609805 CN201220609805U CN202991125U CN 202991125 U CN202991125 U CN 202991125U CN 201220609805 CN201220609805 CN 201220609805 CN 201220609805 U CN201220609805 U CN 201220609805U CN 202991125 U CN202991125 U CN 202991125U
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- driving section
- transmission portion
- chain
- thin coal
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Abstract
The utility model relates to a scraper conveyor for a thin coal seam fully-mechanized working face with a 60-degree large dip angle. The scraper conveyor comprises a machine head transmission portion assembly, a machine tail transmission portion, a transition groove, a middle groove, a skylight middle groove chain and scraper blades mounted on the chain, wherein the transition groove, the middle groove, the skylight middle groove chain and the scraper blades are connected between the machine head transmission portion assembly and the machine tail transmission portion. Brake discs are arranged on the machine head transmission portion assembly and on a coupler of a power portion of the machine tail transmission portion. Normally-opened type machine halt locking devices are arranged on the machine head transmission portion assembly and on the inner wall of a power portion connection shield cylinder of the machine tail transmission portion. The scraper conveyor avoids difficult machine halt, improves downward sliding resistance, and greatly enhances adaptive capacity to thin coal seams, and the mining height can reach 0.8m.
Description
Technical field
The utility model relates to a kind of scraper plate hauler, is specifically related to a kind of drag conveyor for the 60 thin coal bed fully-mechanized mining faces of degree high inclination-angle.
Background technology
Along with the development of coal mine work production technique, more and more urgent for the demand of Special Coal Seam production technique.Scrapper conveyor is one of fully-mechanized mining working visual plant, fully-mechanized mining working except coaling, transport coal also for the coal-winning machine walking machine road is provided, simultaneously for pushing and sliding with move frame and provide support a little.The Special Coal Seam scrapper conveyor is along with the development of production technique, and in recent years little mining height scrapper conveyor and high inclination-angle scrapper conveyor have entered coal machine market in succession.But the scrapper conveyor that can adapt to high inclination-angle and little height mining face simultaneously is few, and at present can reach 55 degree to the adaptation maximum at work plane inclination angle, pin row was arranged on above the intermediate channel ledge in the past, aspect ratio is higher, the minimum mining height of girdle scrapper conveyor also can only adapt to the seam mining of 1.1m, and high inclination-angle girdle scrapper conveyor is a difficult problem all the time.
For the little mining height drag conveyor of high inclination-angle, the technical barrier following points:
1, the complete machine sliding force is large; 2, the head lubrication problem is difficult to solve; 3, coal cinder in the scrapper conveyor chute easily the rolling damage equipment and hurt sb.'s feelings 4, during the coal-winning machine walking, tractive force is large; 5, motor is in operation and is in generator operation, the difficulty of stopping, and well work operating space is little.Also do not have in the market to overcome an above-mentioned difficult problem and provide a kind of energy be used for the inclination angle greater than 55 degree and with adopt the supporting minimum mining height of machine and be the drag conveyor less than 1.1m.
Summary of the invention
The utility model can not overcome an above-mentioned difficult problem for prior art, and a kind of drag conveyor for 60 degree high inclination-angle thin coal bed fully-mechanized mining faces is provided, its can be used for inclination angle 60 degree and with drag conveyor that to adopt the supporting minimum mining height of machine be 0.9m, be applicable to the geological conditions less than the 60 little height mining faces of degree, and safe and reliable to operation.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of drag conveyor for the 60 thin coal bed fully-mechanized mining faces of degree high inclination-angle; comprise head driving section assembly, tail driving section and be connected to head driving section assembly and the tail driving section between lead-over groove, intermediate channel, intermediate section groove for opening clearstory chain and be arranged on scraper plate on chain; be equipped with brake disc on the shaft coupling of the power part of described head driving section assembly and tail driving section, the power part of head driving section assembly and tail driving section connects on cover cylinder inwall and is provided with stop block device open in usual.
Described stop block device open in usual comprises mechanical part and electrolyte control part; mechanical part by cylinder body, evenly be arranged on the plunger in cylinder body and be arranged on plunger end and cylinder body between the dish spring consist of, electrolyte control part is made of the electric hydraulic control valve that is connected with motor, the fluid valve that is connected with electric hydraulic control valve and pressure meter.
Described intermediate channel both sides are equipped with ledge, and ledge bottom is provided with the profile of tooth reeding.
Described scraper chain is two, and two scraper chains are symmetricly set on both sides, scraper plate axis, and two scraper chain spacings are 250mm.
Described intermediate channel one side is equipped with pin row, and it is inboard that pin row is installed on the intermediate channel ledge.
The utility model utilizes the principle of friction clutch, power part high speed shaft place's design brake disc in the assembly of conveyer driving section, connecting cover cylinder inwall design stop block device open in usual, avoided shutting down difficulty, complete machine intermediate channel ledge bottom surface is designed to the profile of tooth reeding, improve slip resistance under conveyer, improve conveyer and adapt to the ability that is not more than 60 ° of inclination angles; The design of accurate double center chain scraper plate increases the space of coalingging, and prevents that further lump coal from tumbling; Adopt horizontal pin row structure, supporting with little mining-height coal mining machine, machine height is the 675mm left and right, has greatly strengthened the adaptive capacity of conveyer to girdle, and mining height can reach 0.8m.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 top view;
Fig. 3 is the utility model power part structural representation;
Fig. 4 is the utility model power part A-A sectional drawing;
Fig. 5 is that the utility model is power part braking principle figure;
Fig. 6 is the utility model intermediate channel and intermediate channel pin row structural representation;
Fig. 7 is the scraper chain structural representation;
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
as Fig. 1-shown in Figure 7, a kind of drag conveyor for the 60 thin coal bed fully-mechanized mining faces of degree high inclination-angle, comprise head driving section assembly 1, tail driving section 6 and be connected to head driving section assembly 1 and tail driving section 6 between lead-over groove 2, intermediate channel 3, intermediate section groove for opening clearstory chain 5 and be arranged on scraper plate 4 on chain, be equipped with brake disc 8 on the shaft coupling 7 of the power part of head driving section assembly 1 and tail driving section 6, brake disc 8 is connected into one by bolt 9 and bearing pin with brake disc 8 and shaft coupling 7, the power part of head driving section assembly 1 and tail driving section 6 connects on cover cylinder 10 inwalls and is provided with stop block device open in usual, stop block device open in usual comprises mechanical part 11 and electrolyte control part, wherein mechanical part 11 is by cylinder body 12, the dish spring 14 that evenly is arranged on the plunger 13 in cylinder body 12 and is arranged between plunger 13 ends and cylinder body 12 consists of, the pretightning force of using dish spring 14 compresses plunger 13 end faces and brake disc 8, a plurality of plungers 13 are evenly distributed on cylinder body 12, make brake disc 8 stressed evenly, and can provide enough frictional resistances, braking is reliable, electrolyte control part is made of the electric hydraulic control valve 16 that is connected with motor 15, the fluid valve 17 that is connected with electric hydraulic control valve 16 and pressure meter 18.The utility model is used the principle of friction clutch; power part high speed shaft place's design brake disc in the assembly of conveyer driving section; connecting cover cylinder inwall design stop block device open in usual; this device can be realized shutting down and automatically locks drag conveyor, the scraper plate problem such as operation automatically when preventing from shutting down difficulty, driving and maintenance.
Ledge 19 bottoms of the utility model intermediate channel 3 both sides are provided with profile of tooth reeding 20, and profile of tooth reeding 20 increases the specific pressure with base plate, improves frictional resistance, prevent that conveyer from gliding; The scraper chain 21 that is arranged on scraper plate 4 is two, and two scraper chains 21 are symmetricly set on scraper plate 4 both sides, axis, and two scraper chain 21 spacings are 250mm, have increased the chain stripe pitch, when being coaling in the space in increase, prevent that effectively lump coal from tumbling; Pin row 22 sides that intermediate channel 3 one sides are installed are hung in intermediate channel 3 cell bodies, and it is inboard that pin row 22 is arranged on intermediate channel 3 ledges, makes the intermediate channel whole height little, adapts to the girdle ability strong.
The utility model is between reducer and motor, brake disc and multi-point locking structure are installed, hydraulic power source adopts the work plane emulsion power pack that pressure liquid is provided, stop block device open in usual is the principle of utilizing friction clutch, and when conveyer stopped, electric hydraulic control valve 16 was closed, plunger 13 chamber drainages, utilize the pretightning force of dish spring 14 that plunger 13 is pressed on brake disc 8, by frictional resistance, brake disc 8 is braked, play the function of stop block; In when start when conveyer is opened, because solenoid electric valve 16 is received the signal that motor 15 is opened, electric hydraulic control valve 16 is opened, feed liquor in plunger 13 chambeies, and plunger 13 is retracted, and plunger 13 is thrown off with brake disc 8, realizes starting shooting and puts lock, and motor normally starts.
The utility model scrapper conveyor conveying capacity can be selected 400t/h, design length 200 m, installed power 2 * 110Kw, the scraper chain pattern double center chain that is as the criterion, scraper chain is positioned at scraper plate center line both sides, round-link chain rule 2 * 22 * 86 (mm), chain speed 0.94(m/s), the utility model adapts to 0～60 °, work plane inclination angle.
Claims (5)
1. drag conveyor that is used for the 60 thin coal bed fully-mechanized mining faces of degree high inclination-angle; comprise head driving section assembly, tail driving section and be connected to head driving section assembly and the tail driving section between lead-over groove, intermediate channel, intermediate section groove for opening clearstory chain and be arranged on scraper plate on chain; it is characterized in that: be equipped with brake disc on the shaft coupling of the power part of described head driving section assembly and tail driving section, the power part of head driving section assembly and tail driving section connects on cover cylinder inwall and is provided with stop block device open in usual.
2. the drag conveyor for 60 degree high inclination-angle thin coal bed fully-mechanized mining faces according to claim 1; it is characterized in that: described stop block device open in usual comprises mechanical part and electrolyte control part; mechanical part by cylinder body, evenly be arranged on the plunger in cylinder body and be arranged on plunger end and cylinder body between the dish spring consist of, electrolyte control part is made of the electric hydraulic control valve that is connected with motor, the fluid valve that is connected with electric hydraulic control valve and pressure meter.
3. the drag conveyor for 60 degree high inclination-angle thin coal bed fully-mechanized mining faces according to claim 1 is characterized in that: described intermediate channel both sides are equipped with ledge, and the ledge bottom is provided with the profile of tooth reeding.
4. the drag conveyor for 60 degree high inclination-angle thin coal bed fully-mechanized mining faces according to claim 1, it is characterized in that: described scraper chain is two, and two scraper chains are symmetricly set on both sides, scraper plate axis, and two scraper chain spacings are 250mm.
5. the drag conveyor for 60 degree high inclination-angle thin coal bed fully-mechanized mining faces according to claim 1, it is characterized in that: described intermediate channel one side is equipped with pin row, and it is inboard that pin row is installed on the intermediate channel ledge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609805 CN202991125U (en) | 2012-11-19 | 2012-11-19 | Scraper conveyor for thin coal seam fully-mechanized working face with 60-degree large dip angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609805 CN202991125U (en) | 2012-11-19 | 2012-11-19 | Scraper conveyor for thin coal seam fully-mechanized working face with 60-degree large dip angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991125U true CN202991125U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609805 Withdrawn - After Issue CN202991125U (en) | 2012-11-19 | 2012-11-19 | Scraper conveyor for thin coal seam fully-mechanized working face with 60-degree large dip angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821557A (en) * | 2012-11-19 | 2014-05-28 | 林州重机集团股份有限公司 | Scraper conveyor for 60 DEG large dip angle thin seam fully-mechanized mining face |
-
2012
- 2012-11-19 CN CN 201220609805 patent/CN202991125U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821557A (en) * | 2012-11-19 | 2014-05-28 | 林州重机集团股份有限公司 | Scraper conveyor for 60 DEG large dip angle thin seam fully-mechanized mining face |
| CN103821557B (en) * | 2012-11-19 | 2016-06-01 | 林州重机集团股份有限公司 | A kind of scraper conveyor for 60 degree of deep inclined thin coal seam fully-mechanized mining workings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |