CN116002290A - A scraper conveyor for a coal shearer limit device - Google Patents

Abstract

The invention discloses a scraper conveyor of a coal cutter limiting device, which comprises a base body, a coal cutter, a first rotating rod, a conveying belt, a second rotating wheel, a buffer spring and a second rotating rod, wherein the first rotating rod is nested inside the left side of the base body, the conveying belt is nested on the outer surface of the first rotating rod, the second rotating rod is nested inside the right end of the conveying belt, and the front end and the rear end of the second rotating rod are contacted with the inside of a sliding groove. This coal-winning machine stop device's scraper conveyor is provided with the conveyer belt that sieves the colliery that gets off, when the coal-winning machine carried out the coal mining, the cinder fell into on the conveyer belt, and scraper blade piece on the conveyer belt drives the cinder motion, because the conveyer belt is latticed, filters the cinder that enters into the conveyer belt for the cinder can be abundant filtration, avoids blocking, has realized carrying out filterable effect to the cinder, has avoided gathering the step that needs the manual work to separate after the cinder, has improved the practicality of device.

Description

A scraper conveyor of a coal mining machine limit device

technical field

The invention relates to the technical field of scraper conveyors, in particular to a scraper conveyor of a shearer limit device.

Background technique

During longwall coal mining, the shearer will be installed on the scraper conveyor, and the coal collected by the shearer will be collected through the scraper conveyor, but the existing scraper conveyor still has certain defects , for example:

For example, in a scraper conveyor whose publication number is CN214691648U, the output shaft of the motor is fixedly connected to the drive gear, the axis direction of the output shaft of the motor is parallel to the axis direction of the drive gear, and multiple push plates are fixedly connected to the side walls of the chain. It also includes at least two cleaning assemblies for cleaning the push plate, each cleaning assembly includes a rotating shaft and at least three cleaning plates, the cleaning plates are arranged evenly and at intervals along the circumference of the rotating shaft, the cleaning plates are fixedly connected to the rotating shaft, and rotate The shaft is rotatably connected to the frame, and the axis direction of the rotating shaft is perpendicular to the axis direction of the output shaft of the motor. It can conveniently clean the fly ash stuck on the push plate and improve the stable operation of the conveyor;

The above-mentioned scraper conveyor cleans the fly ash attached to the push plate through the rotating shaft and at least three cleaning plates, but during coal mining and transportation, lump coal and powder coal are mixed Together, when the subsequent coal mining needs to be separated, it needs to be separated manually, and it is impossible to separate the pulverized coal and the lump coal during coal mining, which increases the labor force of the user. When mining coal, the coal shearer has a large traction force when moving on the upper end of the scraper conveyor. When it moves to both ends of the scraper conveyor, it is easy to collide with the scraper conveyor. After a long time of use, it is easy to damage the machine.

Contents of the invention

The purpose of the present invention is to provide a scraper conveyor of a shearer limit device, to solve the problem in the above-mentioned background technology that the pulverized coal and the block coal cannot be continuously twisted and separated when the coal is mined. When the two ends of the scraper conveyor are easy to collide with the scraper conveyor.

In order to achieve the above object, the present invention provides the following technical solutions: a scraper conveyor of a shearer limit device, including a base body, a coal cutter, a first rotating rod, a conveyor belt, a second runner, a buffer spring and a second Two rotating rods, a first rotating rod is nested inside the left side of the base, and a conveyor belt is nested on the outer surface of the first rotating rod, and a second rotating rod is nested inside the right end of the conveyor belt, The front and rear ends of the second rotating rod contact the interior of the sliding groove, the outer surface of the conveyor belt is provided with a scraper plate, the left and right ends of the base are provided with discharge ports, and the front end of the first rotating rod is nested A nested rod is installed, and the inside of the right end of the nested rod is nested and installed on the front end of the second rotating rod. The bearing at the lower end of the right side of the nested rod is rotatably mounted with a hydraulic rod, and the lower end of the hydraulic rod is provided with a first A rotating shaft, and the lower end of the first rotating shaft is nested and mounted on the bottom of the base body, the front end of the first rotating rod is fixedly installed with the output end of the driving motor, and the lower end of the driving motor is fixedly installed on the front end of the base body Protruding part;

The upper end of the base body is provided with a limit groove, and the inside of the limit groove contacts the first runner, and the inside of the first runner is nested and installed at the lower end of the coal cutter, and a return spring is fixedly installed on the inner side of the upper end of the base body. And the right side of the return spring is fixedly equipped with a sliding block, and the inner side of the sliding block is provided with a second rotating shaft, the inner side of the second rotating shaft is nested with a buffer rod, and the inner side of the buffer rod is nested with a second runner , and a buffer spring is fixedly installed between the upper and lower second runners.

Further, the first rotating rod forms a rotating structure through the driving motor and the base body, and the first rotating rod forms a synchronous rotating structure with the second rotating rod through the conveyor belt, and the conveyor belt is in the form of a grid. This structure embodies the It has a filtering effect when moving.

Further, the outer surfaces of the front and rear ends of the second rotating rod are attached to the sliding groove, and the front end of the second rotating rod is installed through the nesting rod, and the second rotating rod forms a sliding structure through the nesting rod and the sliding groove. The structure embodies the effect that the second rotating rod slides up and down along the slide groove to vibrate under the action of the nested rod.

Further, the outer surface of the first runner fits the inside of the limit groove, and the shearer forms a sliding structure through the first runner and the limit groove. This structure reflects that the shearer is limited by the limit groove. The effect of moving left and right.

Further, the base forms an elastic structure through the return spring and the sliding block, and the lower surface of the sliding block is attached to the upper surface of the base, and the sliding block and the base form a sliding structure, which reflects that the sliding block is about to collide through the return spring. The effect of the shearer buffer.

Further, the buffer rod forms a rotating structure with the sliding block through the second rotating shaft, and the upper and lower buffer rods form an elastic structure through the buffer spring. This structure reflects the buffering effect of the buffer rod when the shearer contacts the sliding block.

Compared with the prior art, the beneficial effects of the present invention are: the scraper conveyor of the shearer limit device;

1. The scraper conveyor of the shearer limit device is equipped with a conveyor belt for screening the collected coal mine. When the coal shearer is mining coal, the coal slag falls on the conveyor belt, and the coal on the conveyor belt The scraper drives the cinder to move, and because the conveyor belt is grid-shaped, the cinder that enters the conveyor belt is filtered, and the fine cinder enters the bottom of the substrate through the conveyor belt, and is pushed by the scraper to be sent out from the outlet on the left side, which is relatively small. The large ones are moved to the discharge port on the right by the scraper, and at the same time, the hydraulic rod under the nesting rod makes the second rotating rod on the right side of the conveyor belt vibrate up and down, so that the cinder can be fully filtered to avoid clogging, and realize the cleaning of cinder The effect of filtering avoids the need for manual separation after collecting coal cinders, which improves the practicability of the device;

2. The scraper conveyor of the shearer limit device is equipped with a sliding block that prevents the shearer from reaching the limit position and causing collision with the substrate when the shearer moves left and right. When the shearer moves left and right, it touches the second runner. The second runner rotates and slides up and down along the contacted shearer, the buffer rod opens, and the buffer spring stretches at the same time, at this time, the sliding block moves to the outside and squeezes the return spring to buffer the shearer to prevent the shearer from being damaged due to the traction force of the shearer. Excessive collision damage to the machine can avoid the large impact force of the shearer on the device and increase the service life of the device.

Description of drawings

Fig. 1 is the front cross-sectional structure schematic diagram of the present invention;

Fig. 2 is the top cross-sectional structure schematic diagram of the present invention;

Fig. 3 is a schematic diagram of a front sectional structure of a nested rod of the present invention;

Fig. 4 is a schematic diagram of enlarged structure at A place in Fig. 1 of the present invention;

Fig. 5 is a schematic top view of the structure of the present invention.

In the figure: 1. Base body; 2. Shearer; 3. First rotating rod; 4. Conveyor belt; 5. Scraper plate; 6. Sliding groove; Motor; 10, hydraulic rod; 11, first rotating shaft; 12, first runner; 13, limit slot; 14, return spring; 15, sliding block; 16, second rotating shaft; 17, buffer rod; Two runners; 19, buffer spring; 20, the second rotating rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-5, the present invention provides a technical solution: a scraper conveyor for a shearer limit device, including a base body 1, a coal cutter 2, a first rotating rod 3, a conveyor belt 4, and a scraper plate 5. Sliding groove 6, discharge port 7, nesting rod 8, drive motor 9, hydraulic rod 10, first rotating shaft 11, first runner 12, limit groove 13, return spring 14, sliding block 15, second The rotating shaft 16, the buffer rod 17, the second rotating wheel 18, the buffer spring 19 and the second rotating rod 20.

In this embodiment: the first rotating rod 3 is nested inside the left side of the base body 1, and the outer surface of the first rotating rod 3 is nested with the conveyor belt 4, and the right end of the conveyor belt 4 is nested inside the second Two rotating rods 20, the front and rear ends of the second rotating rod 20 contact the inside of the slide groove 6, the outer surface of the conveyor belt 4 is provided with a scraper plate 5, and the left and right ends of the base 1 are provided with a discharge port 7 , the front end of the first rotating rod 3 is nested with a nested rod 8, and the inside of the right end of the nested rod 8 is inserted through the front end of the second rotating rod 20, and the right lower end of the nested rod 8 A hydraulic rod 10 is mounted on the bearing to rotate, and the lower end of the hydraulic rod 10 is provided with a first rotating shaft 11, and the lower end of the first rotating shaft 11 is nested and installed on the bottom of the base body 1, and the front end of the first rotating rod 3 is connected to the drive motor 9 The output end of the drive motor 9 is fixedly installed, and the lower end of the drive motor 9 is fixedly installed on the front end protruding part of the base body 1;

The upper end of the base body 1 is provided with a limiting groove 13, and the inside of the limiting groove 13 contacts the first runner 12, and the inside of the first runner 12 is nested and installed at the lower end of the coal cutter 2, and the upper end of the base body 1 A return spring 14 is fixedly mounted on the inner side, and a sliding block 15 is fixedly installed on the right side of the returning spring 14, and a second rotating shaft 16 is arranged on the inner side of the sliding block 15, and a buffer rod 17 is nested inside the second rotating shaft 16 , and the inner side of the buffer rod 17 is nested with a second runner 18, and a buffer spring 19 is fixedly installed between the upper and lower second runners 18.

The first rotating rod 3 forms a rotating structure with the base body 1 through the drive motor 9, and the first rotating rod 3 forms a synchronous rotating structure with the second rotating rod 20 through the conveyor belt 4, and the conveyor belt 4 is grid-like, and the second rotating rod The outer surfaces of the front and rear ends of 20 are attached to the sliding groove 6, and the front end of the second rotating rod 20 is installed through the nesting rod 8, and the second rotating rod 20 forms a sliding structure through the nesting rod 8 and the sliding groove 6;

According to Fig. 1, Fig. 2, Fig. 3 and Fig. 5, the scraper conveyor of the shearer limit device is set at the working position, and the drive motor 9 is started, at this moment, the first rotating rod 3 rotates to drive the second through the conveyor belt 4 The second rotating rod 20 rotates, the interior of the conveyor belt 4 is grid-like, and the surface of the conveyor belt 4 is provided with a scraper block 5, and the bottom of the right side of the nesting rod 8 is provided with a hydraulic rod 10, which makes the second rotating rod 20 Sliding up and down along the sliding groove 6 to form shaking, when the collected coal lumps fall on the surface of the conveyor belt 4, the mesh structure on the surface of the conveyor belt 4 and the shaking on the right side make the pulverized coal enter the bottom of the base body 1 At this time, the bulk coal above the conveyor belt 4 is sent out from the discharge port 7 on the right by the movement of the scraper block 5, and the powdery and smaller coal falls into the bottom of the matrix 1 and is driven by the scraper block 5 from the left The discharge port 7 on the side is sent out, realizing the effect of screening the collected coal;

The outer surface of the first runner 12 fits inside the limit groove 13, and the coal shearer 2 forms a sliding structure through the first runner 12 and the limit groove 13, and the base 1 forms an elastic structure through the return spring 14 and the sliding block 15 , and the lower surface of the sliding block 15 is attached to the upper surface of the base 1 , and the sliding block 15 and the base 1 form a sliding structure. The buffer rod 17 forms a rotating structure through the second rotating shaft 16 and the sliding block 15, and the upper and lower buffer rods 17 form an elastic structure through the buffer spring 19;

According to Fig. 1, Fig. 4 and Fig. 5, the scraper conveyor of the shearer limiting device limits the position of the coal cutter 2 through the position limiting groove 13, and the coal shearer 2 is positioned in the position limiting groove through the first runner 12. 13 internally moves left and right. When the shearer 2 quickly moves to the limit position, the lower end of the shearer 2 contacts the second runner 18, and the second runner 18 is forced to rotate up and down both sides and stretch the buffer spring 19. At this time The sliding block 15 is pushed to the outside to squeeze the return spring 14, and the return spring 14 is pressed to apply elastic force to the inside, so as to realize the effect of buffering the force when the shearer 2 moves.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a scraper conveyor of coal-winning machine stop device, includes base member (1), coal-winning machine (2), first dwang (3), conveyer belt (4), second runner (18), buffer spring (19) and second dwang (20), its characterized in that: the novel automatic scraping device comprises a substrate (1), wherein a first rotating rod (3) is arranged on the left side of the substrate (1) in a nested manner, a conveying belt (4) is arranged on the outer surface of the first rotating rod (3) in a nested manner, a second rotating rod (20) is arranged on the right side of the conveying belt (4) in a nested manner, the front end and the rear end of the second rotating rod (20) are in contact with the inside of a sliding groove (6), a scraping plate (5) is arranged on the outer surface of the conveying belt (4), discharge holes (7) are formed in the left end and the right end of the substrate (1), a nested rod (8) is arranged at the front end of the first rotating rod (3) in a nested manner, the right end of the nested rod (8) is arranged at the front end of the second rotating rod (20) in a penetrating manner, a hydraulic rod (10) is rotatably arranged at the right lower end bearing of the nested rod (8), the lower end of the hydraulic rod (10) is provided with a first rotating shaft (11), the lower end of the first rotating shaft (11) is nested and is arranged at the bottom of the substrate (1), the front end of the first rotating rod (3) and the front end of a motor (9) is fixedly arranged at the front end of the driving part (9);

limiting groove (13) have been seted up to the upper end of base member (1), and the inside contact first runner (12) of limiting groove (13) to first runner (12) inside nest install the lower extreme at coal-winning machine (2), the inboard fixed mounting of upper end of base member (1) has reset spring (14), and the right side fixed mounting of reset spring (14) has slider (15), and the inboard of slider (15) is provided with second pivot (16), buffer rod (17) are installed to the inside nest of second pivot (16), and second runner (18) are installed to the inside nest of buffer rod (17), and fixed mounting has buffer spring (19) between upper and lower two second runners (18).

2. The scraper conveyor of the limiting device of the coal mining machine according to claim 1, wherein: the first rotating rod (3) and the base body (1) form a rotating structure through the driving motor (9), the first rotating rod (3) and the second rotating rod (20) form a synchronous rotating structure through the conveying belt (4), and the conveying belt (4) is in a grid shape.

3. The scraper conveyor of the limiting device of the coal mining machine according to claim 1, wherein: the outer surfaces of the front end and the rear end of the second rotating rod (20) are attached to the sliding groove (6), the front end of the second rotating rod (20) is provided with the embedded rod (8) in a penetrating mode, and the second rotating rod (20) and the sliding groove (6) form a sliding structure through the embedded rod (8).

4. The scraper conveyor of the limiting device of the coal mining machine according to claim 1, wherein: the outer surface of the first rotating wheel (12) is attached to the inner part of the limiting groove (13), and the coal cutter (2) and the limiting groove (13) form a sliding structure through the first rotating wheel (12).

5. The scraper conveyor of the limiting device of the coal mining machine according to claim 1, wherein: the base body (1) and the sliding block (15) form an elastic structure through the return spring (14), the lower surface of the sliding block (15) is attached to the upper end surface of the base body (1), and the sliding block (15) and the base body (1) form a sliding structure.

6. The scraper conveyor of the limiting device of the coal mining machine according to claim 1, wherein: the buffer rods (17) and the sliding block (15) form a rotating structure through the second rotating shaft (16), and the upper buffer rod and the lower buffer rod (17) form an elastic structure through the buffer springs (19).

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