阅读说明：本技术 一种矿山用除尘刮板机 (Dust removal scraper conveyor for mine ) 是由 许银兰 于 2021-01-04 设计创作，主要内容包括：本发明公开了一种矿山用除尘刮板机,其结构包括动力装置、头部、中间段、尾部、进料口、传动链、可调刮板,中间段的两端分别连接有头部、尾部,头部连接有动力装置,中间段顶部设有进料口,传动链设在头部、尾部、中间段内,传动链与动力装置传动连接,传动链上连接有可调刮板,可调刮板包括安装轴、固定杆、升降刮板,固定杆与传动链相连接,安装轴贯穿升降刮板且两端分别安装在固定杆内,本发明的有益效果是：过对升降刮板的升降能够对刮板的承受力进行调节,避免刮板的承受力超出范围,从而防止刮板的变形和传动链的断裂。(The invention discloses a dust removal scraper conveyor for mines, which structurally comprises a power device, a head part, a middle section, a tail part, a feeding hole, a transmission chain and an adjustable scraper, wherein the head part and the tail part are respectively connected with two ends of the middle section, the head part is connected with the power device, the feeding hole is arranged at the top of the middle section, the transmission chain is arranged in the head part, the tail part and the middle section and is in transmission connection with the power device, the adjustable scraper is connected onto the transmission chain and comprises an installation shaft, a fixed rod and a lifting scraper, the fixed rod is connected with the transmission chain, the installation shaft penetrates through the lifting scraper, and two ends of the installation shaft are respectively arranged: the bearing capacity of the scraper can be adjusted by lifting the lifting scraper, and the bearing capacity of the scraper is prevented from exceeding the range, so that the deformation of the scraper and the fracture of a transmission chain are prevented.)

1. The utility model provides a scraper conveyor removes dust for mine, its structure includes power device (1), head (2), interlude (3), afterbody (4), feed inlet (5), driving chain (6), adjustable scraper blade (7), the both ends of interlude (3) are connected with head (2), afterbody (4) respectively, head (2) are connected with power device (1), interlude (3) top is equipped with feed inlet (5), establish in head (2), afterbody (4), interlude (3) driving chain (6), driving chain (6) are connected with power device (1) transmission, be connected with adjustable scraper blade (7) on driving chain (6), its characterized in that:

the adjustable scraper (7) comprises an installation shaft (70), a fixed rod (71) and a lifting scraper (72), the fixed rod (71) is connected with the transmission chain (6), and the installation shaft (70) penetrates through the lifting scraper (72) and two ends of the installation shaft are respectively installed in the fixed rod (71).

2. The dust removal scraper conveyor for mine of claim 1, characterized in that: the middle of the fixing rod (71) is provided with a through groove (710) which penetrates through the fixing rod up and down, circular grooves (711) are formed in the two ends of the fixing rod (71), the lifting scraper (72) is arranged in the through groove (710), and the two ends of the mounting shaft (70) are respectively arranged in the circular grooves (711).

3. The dust removal scraper conveyor for mine of claim 1, characterized in that: the lifting scraper (72) is provided with a sliding groove (721) penetrating through the left end and the right end, a mounting shaft (70) is arranged in the sliding groove (721), the bottom of the sliding groove (721) is provided with a gravity block (722), the inner side of the sliding groove (721) is provided with a rack (723), and the upper part of the lifting scraper (72) is provided with 2 notches (724).

4. The dust removal scraper conveyor for mine of claim 1, characterized in that: the installation shaft (70) comprises a square rod (701), gears (702), a round rod (703), a support plate (704) and a pull rope (705), the two ends of the square rod (701) are respectively connected with the round rod (703), the bottom of the round rod (703) is connected with the support plate (704), the side surface of the square rod (701) is provided with 3 gears (702), the end part of the shaft of the second gear (702) is wound with one end of the pull rope (705), the other end of the pull rope (705) penetrates out of the round rod (703), the square rod (701) penetrates through a sliding groove (721), and the gears (702) are meshed with a rack (723).

5. The dust removal scraper conveyor for mine of claim 2, characterized in that: the bottom of the circular groove (711) is provided with a stop block (a), an arc-shaped baffle (b) is connected in the circular groove (711), the stop block (a) is arranged on one side of the support plate (704), and the other side of the support plate (704) is provided with a pressure structure (c).

6. The dust removal scraper conveyor for mine of claim 5, characterized in that: the pressure structure (c) comprises a piston rod (c1), a piston (c2), a spring (c3), a main cylinder (c4), an auxiliary cylinder (c5) and an auxiliary piston rod (c6), wherein the main cylinder (c4) and the auxiliary cylinder (c5) are respectively connected to the inner side of the circular groove (711), the main cylinder (c4) is communicated with the auxiliary cylinder (c5), a piston (c2) is arranged in the main cylinder (c4), the piston (c2) is connected with one end of the piston rod (c1), the other end of the piston rod (c1) is in contact with the support plate (704), the spring (c3) is arranged in the main cylinder (c4), and one end, communicated with the auxiliary cylinder (c5), of the main cylinder (c4) is connected with the piston (c2) through the spring (c 3).

7. The dust removal scraper conveyor for mine of claim 6, characterized in that: one end of the auxiliary piston rod (c6) is arranged in the auxiliary cylinder body (c5), and the other end of the auxiliary piston rod is arranged outside the auxiliary cylinder body (c5) and is connected with the pull rope (705).

8. The dust removal scraper conveyor for mine of claim 5, characterized in that: and the top of the arc-shaped baffle (b) is provided with a guide wheel.

Technical Field

The invention relates to the field of mining equipment, in particular to a dust removal scraper conveyor for mines.

Background

During the mine operation, often need use and scrape the trigger and carry article, scrape the trigger and also be called the scraper-trough conveyer, extensively be used for the daily mining conveying work in colliery, the coal mine is with scraping the trigger and adopting the steel bay, and uncovered formula, the coal mining machine of being convenient for adopted the coal-winning machine fall on the scraper-trough conveyer, and double-chain structure in the steel bay adoption pulls wear-resisting steel sheet.

When the existing scraper conveyor works, when the weight of materials scraped by the scraper is too large and exceeds the bearing capacity of the scraper, the deformation of the scraper is easily caused, and the load capacity of a transmission chain can be increased, so that the transmission chain is broken.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provides a dust removal scraper conveyor for mines.

The invention is realized by adopting the following technical scheme: the utility model provides a scraper conveyor removes dust for mine, its structure includes power device, head, interlude, afterbody, feed inlet, driving chain, adjustable scraper blade, the both ends of interlude are connected with head, afterbody respectively, the head is connected with power device, the interlude top is equipped with the feed inlet, the driving chain is established in head, afterbody, interlude, the driving chain is connected with the power device transmission, be connected with adjustable scraper blade on the driving chain, adjustable scraper blade is including installation axle, dead lever, lift scraper blade, the dead lever is connected with the driving chain, the installation axle runs through lift scraper blade and both ends and installs respectively in the dead lever.

Preferably, a through groove penetrating through the middle of the fixing rod is formed in the middle of the fixing rod, circular grooves are formed in the two ends of the fixing rod, the lifting scraper is arranged in the through groove, and the two ends of the mounting shaft are respectively arranged in the circular grooves.

As optimization, the lift scraper blade is equipped with the spout that runs through both ends about, be equipped with the installation axle in the spout, the spout bottom is equipped with the gravity piece, the spout inboard is equipped with the rack, lift scraper blade upper portion is equipped with 2 breachs.

As optimization, the installation axle includes square pole, gear, circular pole, extension board, stay cord, the both ends of square pole are connected with circular pole respectively, circular pole bottom is connected with the extension board, square pole side-mounting has 3 gears, and the axle head portion of second gear twines the one end that has the stay cord, the stay cord other end is worn out from circular pole, square pole runs through the spout, the gear meshes with the rack mutually.

Preferably, a stop block is arranged at the bottom of the circular groove, an arc-shaped baffle is connected in the circular groove, the stop block is arranged on one side of the support plate, and a pressure structure is arranged on the other side of the support plate.

Preferably, the pressure structure comprises a piston rod, a piston, a spring, a main cylinder body, an auxiliary cylinder body and an auxiliary piston rod, the main cylinder body and the auxiliary cylinder body are respectively connected to the inner sides of the circular grooves, the main cylinder body is communicated with the auxiliary cylinder body, the piston is arranged in the main cylinder body and is connected with one end of the piston rod, the other end of the piston rod is in contact with the support plate, the spring is arranged in the main cylinder body, and one end, communicated with the auxiliary cylinder body, of the main cylinder body is connected with the piston through the spring.

Preferably, one end of the auxiliary piston rod is arranged in the auxiliary cylinder body, and the other end of the auxiliary piston rod is arranged outside the auxiliary cylinder body and connected with the pull rope.

Preferably, the top of the arc-shaped baffle is provided with a guide wheel.

Preferably, the cross-sectional area of the main cylinder is larger than that of the auxiliary cylinder.

Preferably, the spring is a compression spring, and the pressure of the spring is consistent with the highest bearing force of the lifting scraper.

Advantageous effects

When the invention works, when the bearing capacity of the lifting scraper blade when scraping materials exceeds the bearing capacity of the lifting scraper blade, the support plate can push the pressure structure to work, so that the pull rope drives the gear to rotate clockwise, the gear rotates to drive the rack to move upwards, so that the chute of the lifting scraper blade rises on the square rod, the scraped materials are reduced by the rising of the lifting scraper blade, the bearing capacity is reduced, the lifting scraper blade can control the bearing capacity by lifting, the deformation of the lifting scraper blade caused by exceeding the bearing range is avoided, the pressure of the spring is consistent with the highest bearing capacity of the lifting scraper blade, therefore, when the bearing capacity of the lifting scraper blade when scraping materials exceeds the bearing capacity of the lifting scraper blade, the support plate can push the piston rod to move inwards so as to compress the spring, and because the cross section area of the main cylinder body is larger than the cross section area of the auxiliary cylinder body, therefore, the moving distance of the auxiliary piston rod can be lengthened, so that the pull rope is pulled, and the pull rope can be automatically reset through the spring.

Compared with the prior art, the invention has the beneficial effects that: the bearing capacity of the scraper can be adjusted by lifting the lifting scraper, and the bearing capacity of the scraper is prevented from exceeding the range, so that the deformation of the scraper and the fracture of a transmission chain are prevented.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a dust removal scraper for mines according to the invention.

FIG. 2 is a schematic view of the connection structure of the adjustable scraper and the transmission chain.

Fig. 3 is a side view of the adjustable screed of the present invention.

Fig. 4 is a top view of the fixing rod of the present invention.

Fig. 5 is a schematic structural view of the mounting shaft of the present invention.

FIG. 6 is a cross-sectional view of a square bar of the present invention.

Fig. 7 is a front view of the elevating blade of the present invention.

Fig. 8 is a schematic view showing the internal structure of the circular groove of the present invention.

In the figure: the device comprises a power device 1, a head 2, a middle section 3, a tail 4, a feed inlet 5, a transmission chain 6, an adjustable scraper 7, a mounting shaft 70, a fixed rod 71, a lifting scraper 72, a through groove 710, a circular groove 711, a sliding groove 721, a gravity block 722, a rack 723, a notch 724, a square rod 701, a gear 702, a circular rod 703, a support plate 704, a pull rope 705, a stop a, an arc-shaped baffle b, a pressure structure c, a piston rod c1, a piston c2, a spring c3, a main cylinder c4, an auxiliary cylinder c5 and an auxiliary piston rod c 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides a technical solution of a dust-removing scraper for mines: the structure of the scraper comprises a power device 1, a head 2, a middle section 3, a tail 4, a feed inlet 5, a transmission chain 6 and an adjustable scraper 7, wherein the head 2 and the tail 4 are respectively connected to two ends of the middle section 3, the power device 1 is connected to the head 2, the feed inlet 5 is arranged at the top of the middle section 3, the transmission chain 6 is arranged in the head 2, the tail 4 and the middle section 3, the transmission chain 6 is in transmission connection with the power device 1, the adjustable scraper 7 is connected to the transmission chain 6, the adjustable scraper 7 comprises an installation shaft 70, a fixed rod 71 and a lifting scraper 72, the fixed rod 71 is connected with the transmission chain 6, the installation shaft 70 penetrates through the lifting scraper 72, two ends of the installation shaft are respectively arranged in the fixed rod 71, a through groove 710 which penetrates up and down is arranged in the middle of the fixed rod 71, circular grooves 711 are arranged in two ends, the two ends of the mounting shaft 70 are respectively mounted in the circular groove 711, the lifting scraper 72 is provided with a sliding groove 721 penetrating through the left end and the right end, the mounting shaft 70 is arranged in the sliding groove 721, the bottom of the sliding groove 721 is provided with a gravity block 722, the inner side of the sliding groove 721 is provided with a rack 723, the upper part of the lifting scraper 72 is provided with 2 notches 724 for preventing the lifting scraper 72 from being clamped by the transmission chain 6 when moving upwards, the mounting shaft 70 comprises a square rod 701, a gear 702, a circular rod 703, a support plate 704 and a pull rope 705, the two ends of the square rod 701 are respectively connected with the circular rod 703, the bottom of the circular rod 703 is connected with the support plate 704, the side surface of the square rod 701 is provided with 3 gears 702, the shaft end of the second gear 702 is wound with one end of the pull rope 705, the other end of the pull rope 705 penetrates out of, the square rod 701 can vertically lift the lift blade 72, and 3 gears 702 can keep both surfaces of the square rod 701 parallel to the slide slots 721.

The working principle is as follows: when the lifting scraper 72 works, when the bearing capacity of the lifting scraper 72 for scraping materials exceeds the bearing capacity of the lifting scraper 72, the support plate 704 pushes the pressure structure c to work, so that the pull rope 705 pulls the gear 702 to rotate clockwise, the gear 702 rotates to drive the rack 723 to move upwards, the chute 721 of the lifting scraper 72 rises on the square rod 701, the scraped materials are reduced by the rising of the lifting scraper 72, the bearing capacity is reduced, the lifting scraper 72 can control the bearing capacity by lifting, and the lifting scraper 72 is prevented from being deformed beyond the bearing range.

Example 2

Referring to fig. 1-8, the present invention provides a technical solution of a dust removal scraper for mines: the structure of the scraper comprises a power device 1, a head 2, a middle section 3, a tail 4, a feed inlet 5, a transmission chain 6 and an adjustable scraper 7, wherein the head 2 and the tail 4 are respectively connected to two ends of the middle section 3, the power device 1 is connected to the head 2, the feed inlet 5 is arranged at the top of the middle section 3, the transmission chain 6 is arranged in the head 2, the tail 4 and the middle section 3, the transmission chain 6 is in transmission connection with the power device 1, the adjustable scraper 7 is connected to the transmission chain 6, the adjustable scraper 7 comprises an installation shaft 70, a fixed rod 71 and a lifting scraper 72, the fixed rod 71 is connected with the transmission chain 6, the installation shaft 70 penetrates through the lifting scraper 72, two ends of the installation shaft are respectively arranged in the fixed rod 71, a through groove 710 which penetrates up and down is arranged in the middle of the fixed rod 71, circular grooves 711 are arranged in two ends, the two ends of the mounting shaft 70 are respectively mounted in the circular groove 711, the lifting scraper 72 is provided with a sliding groove 721 penetrating through the left end and the right end, the mounting shaft 70 is arranged in the sliding groove 721, the bottom of the sliding groove 721 is provided with a gravity block 722, the inner side of the sliding groove 721 is provided with a rack 723, the upper part of the lifting scraper 72 is provided with 2 notches 724 for preventing the lifting scraper 72 from being clamped by the transmission chain 6 when moving upwards, the mounting shaft 70 comprises a square rod 701, a gear 702, a circular rod 703, a support plate 704 and a pull rope 705, the two ends of the square rod 701 are respectively connected with the circular rod 703, the bottom of the circular rod 703 is connected with the support plate 704, the side surface of the square rod 701 is provided with 3 gears 702, the shaft end of the second gear 702 is wound with one end of the pull rope 705, the other end of the pull rope 705 penetrates out of, the square rod 701 can keep the lifting scraper 72 to lift up and down, the 3 gears 702 can make the two sides of the square rod 701 keep parallel to the sliding chute 721, the bottom of the circular groove 711 is provided with a stopper a which can limit the supporting plate 704, the circular groove 711 is internally connected with an arc-shaped baffle b which can guide the pulling rope 705, the stopper a is arranged on one side of the supporting plate 704, the other side of the supporting plate 704 is provided with a pressure structure c, the pressure structure c comprises a piston rod c1, a piston c2, a spring c3, a main cylinder c4, a secondary cylinder c5 and a secondary piston rod c6, the main cylinder 4 and the secondary cylinder c5 are respectively connected to the inner side of the circular groove 711, the main cylinder c4 is communicated with the secondary cylinder c5, the main cylinder c2 is arranged in the main cylinder c4, the piston c2 is connected with one end of the piston rod c1, the other end of the piston rod c1 is contacted with the supporting plate 704, the spring, one end of the main cylinder c4 communicated with the auxiliary cylinder c5 is connected with a piston c2 through a spring c3, one end of an auxiliary piston rod c6 is arranged in the auxiliary cylinder c5, the other end of the auxiliary piston rod c5 is arranged outside the auxiliary cylinder c5 and is connected with a pull rope 705, a guide wheel is installed at the top of the arc-shaped baffle b to prevent the pull rope 705 from being damaged by friction, the cross section area of the main cylinder c4 is larger than that of the auxiliary cylinder c5, the spring c3 is a compression spring, and the pressure of the spring c3 is consistent with the highest bearing force of the lifting scraper 72.

The working principle is as follows: since the pressure of the spring c3 is consistent with the highest bearing capacity of the lifting scraper 72, when the bearing capacity of the lifting scraper 72 when scraping materials exceeds the bearing capacity of the lifting scraper 72 itself, the support plate 704 pushes the piston rod c1 to move inwards so as to compress the spring c3, and since the cross-sectional area of the main cylinder c4 is larger than that of the auxiliary cylinder c5, the moving distance of the auxiliary piston rod c6 can be extended, so that the pull rope 705 is pulled, and the spring c3 can automatically reset.

Compared with the prior art, the invention has the technical progress that: the bearing capacity of the scraper can be adjusted through lifting the lifting scraper, and the bearing capacity of the scraper is prevented from exceeding the range, so that the deformation of the scraper and the breakage of a transmission chain are prevented.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.