CN220663791U - Tensioning mechanism of scraper conveyor - Google Patents

Abstract

The utility model relates to a scraper conveyor straining device, including the casing, the both ends of casing all rotate and are connected with the transmission roller, are equipped with the motor on the casing, coaxial fixedly connected with sprocket on the transmission roller is provided with the chain between two transmission rollers, chain and sprocket meshing are provided with the spanners between two transmission rollers, are connected with a plurality of scraper blade on the chain, and when the scraper blade moved to spanners top along with the chain, scraper blade and spanners's upper surface butt. The motor drives the transmission roller to rotate, the chain wheel coaxially rotates along with the transmission roller, the chain is driven to circularly rotate, the scraping plate is driven to move, and the material on the bearing plate is conveyed forward under the scraping action of the scraping plate. The lower surface of support board is provided with the magnetic stripe, magnetizes the support board, and the scraper blade adopts the metal material to make, and this application has the effect that makes the scraper blade more closely laminate with the support board.

Description

Tensioning mechanism of scraper conveyor

Technical Field

The application relates to the field of conveyors, in particular to a tensioning mechanism of a scraper conveyor.

Background

The scraper conveyor is a conveyor which is pulled by a scraper chain and conveys bulk materials in a trough. In the current coal face, the scraper conveyor not only serves to transport coal and materials, but also serves as a running track of the coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process.

The scraper conveyor comprises a shell, a supporting plate for supporting materials, a scraper for scraping the materials to advance, a chain for fixedly driving the scraper and a motor for driving the chain, wherein the motor drives the chain to circularly rotate, the supporting plate is driven to continuously move, the supporting plate supports the materials, and the continuously moving scraper drives the materials to advance on the scraper, so that the conveying of the materials is realized.

To the relevant technique among the above-mentioned, the scraper blade mainly relies on self gravity laminating in the bearing board upper surface, when the resistance of carrying the material is too big, the scraper blade easily breaks away from the bearing board surface, influences the conveying effect.

Disclosure of Invention

In order to more closely conform the flights to the carrier plates, the present application provides a flight conveyor tensioning mechanism.

The application provides a scraper conveyor straining device adopts following technical scheme:

the utility model provides a scraper conveyor straining device, includes the casing, the both ends of casing all rotate and are connected with the transmission roller, are equipped with on the casing and are used for driving transmission roller pivoted motor, coaxial fixedly connected with sprocket on the transmission roller, be provided with the chain between two transmission rollers, chain and sprocket meshing are provided with the support board between two transmission rollers, are connected with the scraper blade of a plurality of metal material on the chain, when the scraper blade moves to support board top along with the chain, the upper surface butt of scraper blade and support board, the lower surface of support board is equipped with the magnetic stripe that is used for making support board magnetization.

Through adopting above-mentioned technical scheme, the motor drives the transmission roller and rotates, and the sprocket rotates along with transmission roller is coaxial, drives the chain circulation and rotates and then drives the scraper blade and remove, and the material that is located on the bearing plate advances under the scraping of scraper blade and carries. The lower surface of the supporting plate is provided with the magnetic stripe, the supporting plate is magnetized, the scraping plate is made of metal materials and is attracted by the magnetic poles so as to be attached to the supporting plate more tightly, and the conveying effect is enhanced.

Optionally, the scraper blade includes butt board and connecting plate, is equipped with between connecting plate and the butt board and is used for the joint groove of joint chain, has seted up the fixed orifices on the connecting plate, wears to be equipped with fixing bolt and butt board threaded connection in the fixed orifices.

Through adopting above-mentioned technical scheme, when installing the scraper blade on to the chain, with butt joint board and connecting plate alignment lock, the chain joint is in the joint inslot to use fixing bolt to fix connecting plate and butt joint board, help realizing the quick installation of scraper blade, when the scraper blade appears partial damage, the full speed of scraper blade is changed of being convenient for.

Optionally, the both ends of casing are equipped with the holding tank, and the holding tank swivelling joint has a plurality of butt rollers and the axis of rotation perpendicular to bearing plate of butt roller upper surface setting, the both ends of scraper blade all with the butt roller butt.

Through adopting above-mentioned technical scheme, in order to guarantee the conveying effect of scraper blade, the both ends of scraper blade need with the inner wall butt of casing, long-term use can accelerate the wearing and tearing between scraper blade and the casing, reduces the life of scraper blade. The two ends of the shell are provided with the accommodating grooves and are rotationally connected with the abutting roller in the accommodating grooves, the abutting roller abuts against the scraping plate, and the rotating abutting roller is beneficial to reducing abrasion between the scraping plate and prolonging the service life of the scraping plate.

Optionally, the tip of casing is equipped with the brush that is used for preventing the dust entering, and the tip and the transmission roller butt of brush.

Through adopting above-mentioned technical scheme, scraper conveyor can produce a large amount of dust when carrying materials such as colliery, and the both ends of follow casing drift into the inside accumulation of casing, use the shutoff of both ends of brush with the casing, can block the dust and get into the casing inside under the prerequisite that does not hinder scraper conveyor normal operating.

Optionally, a dust cover for preventing dust from drifting outwards is arranged on the shell.

Through adopting above-mentioned technical scheme, scraper conveyor can produce a large amount of dust when carrying materials such as colliery, and the dust directly drifts and get into in the air can polluted air. The dust cover can prevent dust from drifting into the air, and is helpful for protecting the environment.

Optionally, a limiting plate for preventing the scraping plate from being separated from the supporting plate is arranged in the shell.

Through adopting above-mentioned technical scheme, at the in-process of scraper conveyor operation, the condition that can not meet the bulk material and block can lead to the scraper blade to break away from the spandrel board, upset leads to the scraper conveyor to be difficult to continue the operation even. The limiting plate is arranged, so that the maximum displacement of the tube plate separated from the supporting plate can be limited, the scrapping plate is prevented from being overturned, and the stable operation of the scrapping plate conveyor is facilitated.

Optionally, a strip-shaped groove for conveying materials is formed in the surface of the transmission roller, and the length direction of the strip-shaped groove is parallel to the rotation axis direction of the transmission roller.

By adopting the technical scheme, the bar-shaped groove is beneficial to increasing the roughness of the surface of the transmission roller, and is beneficial to improving the conveying efficiency of the material at the conveying tail end.

Optionally, a fan for cleaning the chain is arranged in the shell.

Through adopting above-mentioned technical scheme, in the transportation, chain and material contact, partial material can get into in the gap of chain, influences the follow-up normal operating of chain. The fan is arranged to blow down the reserved materials on the chain, so that the materials are prevented from continuously gathering on the chain.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the motor drives the transmission roller to rotate, the chain wheel coaxially rotating along with the transmission roller drives the chain to circularly rotate, the scraping plate moves along with the chain, the magnetic strip is arranged on the lower surface of the supporting plate to magnetize the supporting plate, the scraping plate is made of metal materials and is attracted by the magnetic pole so as to be more tightly attached to the supporting plate, and the conveying effect is enhanced;

2. in order to ensure the conveying effect of the scraping plate, two ends of the scraping plate need to be abutted against the inner wall of the shell, abrasion between the scraping plate and the shell is caused, the service life of the scraping plate is influenced, the accommodating grooves are formed in two ends of the shell, the abutting roller is rotationally connected with the accommodating grooves, the abutting roller abuts against the scraping plate, the rotating abutting roller is beneficial to reducing the abrasion between the scraping plate and the scraping plate, and the service life of the scraping plate is prolonged.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of the internal structure of an embodiment of the present application.

Reference numerals illustrate: 1. a housing; 11. a receiving groove; 111. abutting the roller; 12. a brush; 13. a dust cover; 14. a limiting plate; 15. a blower; 2. a transmission roller; 21. a sprocket; 22. a chain; 23. a bar-shaped groove; 3. a motor; 4. a bearing plate; 41. a magnetic stripe; 5. a scraper; 51. a connecting plate; 52. an abutting plate; 53. and (5) fixing bolts.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a scraper 5 conveyor tensioning mechanism.

Referring to fig. 1 and 2, a tensioning mechanism of a scraper 5 conveyor comprises a shell 1, wherein the shell 1 is of a cuboid structure with an opening at the upper end, two ends of the shell 1 in the length direction are both rotationally connected with a transmission roller 2, and the rotation axis of the transmission roller 2 is perpendicular to the length direction of the shell 1. The shell 1 is provided with a motor 3, an output shaft of the motor 3 is fixedly connected with a transmission roller 2 coaxially, and the motor 3 can drive and control the rotation of the transmission roller 2. A chain 22 is arranged between the two transmission rollers 2, a chain wheel 21 is coaxially and fixedly connected to the transmission rollers 2, the chain 22 is meshed with the chain wheels 21 at two ends, a plurality of scraping plates 5 made of metal materials are connected to the chain 22, and the scraping plates 5 are uniformly distributed along the length direction of the chain 22. A bearing plate 4 is arranged between the two transmission rollers 2, and the bearing plate 4 is fixedly connected to the shell 1. When the scraping plate 5 moves to the upper part of the supporting plate 4 along with the chain 22, the scraping plate 5 is abutted against the upper surface of the supporting plate 4, the chain wheel 21 coaxially rotates along with the transmission roller 2, the chain 22 is driven to circularly rotate so as to drive the scraping plate 5 to move, and the material on the supporting plate 4 is conveyed forward under the scraping action of the scraping plate 5. The lower surface of the supporting plate 4 is provided with a magnetic strip 41, the supporting plate 4 is magnetized, the scraping plate 5 is made of metal materials and is attracted by magnetic poles so as to be attached to the supporting plate 4 more tightly, and the conveying effect is enhanced.

Referring to fig. 1 and 2, the scraper 5 includes an abutting plate 52 and a connecting plate 51, a clamping groove is provided between the connecting plate 51 and the abutting plate 52, the shape and size of the clamping groove are matched with those of the chain 22, and when the scraper 5 is mounted on the chain 22, the abutting plate 52 and the connecting plate 51 are aligned and buckled, and the chain 22 is clamped in the clamping groove. The connecting plate 51 is provided with the fixing hole, the fixing bolt 53 is arranged in the fixing hole in a penetrating way, the fixing bolt 53 is in threaded connection with the abutting plate 52, the connecting plate 51 is fixed with the abutting plate 52, quick installation of the scraping plate 5 is facilitated, and when the scraping plate 5 is damaged partially, full-speed replacement of the scraping plate 5 is facilitated.

Referring to fig. 1 and 2, in order to secure the conveying effect of the scraper 5, both ends of the scraper 5 need to be in contact with the inner wall of the housing 1, and long-term use can accelerate wear between the scraper 5 and the housing 1, reducing the service life of the scraper 5. The both ends of casing 1 are equipped with holding tank 11, and holding tank 11 and Chen Tuoban's upper surface intercommunication is provided with a plurality of butt roller 111 in the holding tank 11, and butt roller 111 rotates with casing 1 to be connected and the axis of rotation of butt roller 111 sets up perpendicular to the upper surface of supporting plate 4. The abutment roller 111 abuts against the blade 5, and the rotating abutment roller 111 helps to reduce wear with the blade 5, prolonging the service life of the blade 5.

Referring to fig. 1 and 2, when the scraper 5 conveyor conveys materials such as coal mines, a large amount of dust is generated, the dust drifts into the shell 1 from two ends of the shell 1 to be accumulated, a hairbrush 12 is arranged at the end part of the shell 1, the end part of the hairbrush 12 is abutted with the transmission roller 2, and the dust can be prevented from entering the shell 1 on the premise of not interfering the normal operation of the scraper 5 conveyor.

Referring to fig. 1 and 2, when the scraper 5 conveyor conveys materials such as coal mines, a large amount of dust is generated, and the dust directly drifts into the air to pollute the air. The housing 1 is provided with a dust cover 13 for preventing dust from drifting outwards, so that dust can be prevented from drifting into the air, and the environment can be protected.

Referring to fig. 1 and 2, during the operation of the scraper 5 conveyor, a situation that a large piece of material is jammed is unavoidable, which can cause the scraper 5 to separate from the supporting plate 4, and even turn over, which can cause the scraper 5 conveyor to be difficult to continue to operate. The limiting plate 14 is arranged in the shell 1, so that the maximum displacement of the tube plate separated from the supporting plate 4 can be limited, the scraping plate 5 is prevented from being overturned, and the stable operation of the scraper 5 conveyor is facilitated.

Referring to fig. 1 and 2, a strip-shaped groove 23 for conveying materials is formed in the surface of the transmission roller 2, the length direction of the strip-shaped groove 23 is parallel to the rotation axis direction of the transmission roller 2, the roughness of the surface of the transmission roller 2 is increased, and the conveying efficiency of the materials at the conveying tail end is improved.

Referring to fig. 1 and 2, during the conveying process, the chain 22 contacts the material, and part of the material may enter into the gap of the chain 22, thereby affecting the subsequent normal operation of the chain 22. The fan 15 is installed to the casing 1, blows down the material that remains on the chain 22, prevents that the material from constantly gathering on the chain 22.

The implementation principle of the tensioning mechanism of the scraper 5 conveyor in the embodiment of the application is as follows: the motor 3 drives and controls the transmission roller 2 to rotate, the chain wheel 21 coaxially rotates along with the transmission roller 2, the chain wheel 21 drives the chain 22 to circularly rotate so as to drive the scraping plate 5 to move, and the material on the supporting plate 4 is conveyed forward under the scraping action of the scraping plate 5. The lower surface of the supporting plate 4 is provided with a magnetic strip 41, the supporting plate 4 is magnetized, the scraping plate 5 is made of metal materials and is attracted by magnetic poles so as to be attached to the supporting plate 4 more tightly, and the conveying effect is enhanced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a scraper conveyor straining device, includes casing (1), its characterized in that: the utility model discloses a motor drive device, including casing (1), shell (1), drive roller (2) are all rotated at both ends and are connected with drive roller (2), be equipped with chain (22) on coaxial fixedly connected with sprocket (21) on the drive roller (2), chain (22) and sprocket (21) meshing are provided with spandrel board (4) between two drive roller (2), be connected with scraper blade (5) of a plurality of metal material on chain (22), when scraper blade (5) remove spandrel board (4) top along with chain (22), upper surface butt of scraper blade (5) and spandrel board (4), the lower surface of spandrel board (4) is equipped with magnetic stripe (41) that are used for making spandrel board (4) magnetization.

2. The scraper conveyor tensioning mechanism of claim 1, wherein: the scraper blade (5) comprises an abutting plate (52) and a connecting plate (51), a clamping groove for clamping the chain (22) is formed between the connecting plate (51) and the abutting plate (52), a fixing hole is formed in the connecting plate (51), a fixing bolt (53) is arranged in the fixing hole in a penetrating mode, and the fixing bolt (53) is in threaded connection with the abutting plate (52).

3. The scraper conveyor tensioning mechanism of claim 1, wherein: the two ends of the shell (1) are provided with accommodating grooves (11), a plurality of abutting rollers (111) are rotationally connected to the accommodating grooves (11), the rotating shafts of the abutting rollers (111) are perpendicular to the upper surface of the supporting plate (4), and two ends of the scraping plate (5) are abutted to the abutting rollers (111).

4. The scraper conveyor tensioning mechanism of claim 1, wherein: the end part of the shell (1) is provided with a brush (12) for preventing dust from entering, and the end part of the brush (12) is abutted with the transmission roller (2).

5. The scraper conveyor tensioning mechanism of claim 1, wherein: the shell (1) is provided with a dust cover (13) for preventing dust from outwards drifting.

6. The scraper conveyor tensioning mechanism of claim 1, wherein: a limiting plate (14) for preventing the scraping plate (5) from being separated from the supporting plate (4) is arranged in the shell (1).

7. The scraper conveyor tensioning mechanism of claim 1, wherein: the surface of the transmission roller (2) is provided with a strip-shaped groove (23) for conveying materials, and the length direction of the strip-shaped groove (23) is parallel to the rotation axis direction of the transmission roller (2).

8. The scraper conveyor tensioning mechanism of claim 1, wherein: a fan (15) for cleaning the chain (22) is arranged in the shell (1).