A belt conveyor head wheel scraper

Abstract

The application discloses a belt conveyor head wheel scraper, which is arranged at one end of a belt conveyor and comprises a scraper assembly and a flushing assembly. The scraper assembly is operable to approach and move away from the belt conveyor. The flushing assembly is used for flushing sundries on the surface of the belt conveyor and the scraper assembly, and when the scraper assembly moves towards the belt conveyor, the flushing assembly sprays water outward to flush the scraper assembly and the belt conveyor. When the scraper assembly moves towards the belt conveyor to scrape the sundries, the flushing assembly can flush the surface of the belt conveyor and the scraper assembly at the same time, and can flush away part of the sundries on the surface of the belt conveyor and the sundries clamped on the scraper assembly, thereby improving the sundry scraping effect of the belt conveyor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material conveying equipment, and particularly relates to a head wheel scraper type cleaner of a belt conveyor. BACKGROUND

[0002] In the industries of metallurgy, mine, wharf and power generation, the conveying of bulk materials mainly relies on the belt conveyor. When conveying the bulk materials, a small amount of the bulk materials will adhere to the surface of the belt and move along with the belt, and finally adhere to the surface of some parts of the belt conveyor or scatter below the parts, which will cause the abrasion of the related parts of the belt conveyor, increase the driving torque of the belt conveyor and pollute the environment.

[0003] Therefore, the head cleaner is arranged on the belt conveyor to solve the problem, and the commonly used head cleaner is a scraper made of various materials, which is used to scrape the surface of the belt of the belt conveyor to remove the adhered bulk materials. However, the structure of the cleaner is relatively complex, there are many moving parts, the scraper is easy to wear and tear, the service life is short, the cleaner often needs to be maintained, the cost is high and the cost-effectiveness is low, and the cleaning effect is poor for the bulk materials with high adhesion. When the foreign matters are clamped on the cleaner, the normal operation of the belt conveyor will be endangered. SUMMARY

[0004] In view of the above problems of the existing head cleaner, the present application aims to provide a head wheel scraper type cleaner of a belt conveyor, which has excellent cleaning effect, simple structure and low cost.

[0005] The specific technical scheme is as follows.

[0006] A head wheel scraper type cleaner of a belt conveyor is arranged at one end of the belt conveyor, and comprises a scraper assembly and a flushing assembly. The scraper assembly is operable to approach and move away from the belt conveyor. The flushing assembly is used to flush the foreign matters on the surface of the scraper assembly and the conveying belt of the belt conveyor, and when the scraper assembly moves to approach the belt conveyor, the flushing assembly sprays water outward to flush the scraper assembly and the belt conveyor.

[0007] As a further improvement and optimization of the present application, the scraper assembly comprises:

[0008] a mounting frame, which is operable to approach or move away from the belt conveyor;

[0009] a driving shaft and a driven shaft, the driving shaft is located above the driven shaft and arranged in parallel with each other, one end of each of the driving shaft and the driven shaft is rotatably installed on the mounting frame, and the outer part of each of the driving shaft and the driven shaft is fixedly sleeved with a scraper. When one of the scrapers contacts the surface of the conveying belt of the belt conveyor, the other scraper also contacts the surface of the conveying belt of the belt conveyor.

[0010] an adjusting assembly, which is in transmission connection with the driving shaft, for driving the driving shaft to rotate so as to adjust the angle of the scrapers;

[0011] a linkage assembly, which is connected between the driving shaft and the driven shaft, and when the driving shaft rotates, the driven shaft rotates synchronously through the linkage assembly.

[0012] As a further improvement and optimization of the present solution, the linkage assembly comprises a centrifugal rod, one end of which is eccentrically hinged to the end face of the other end of the driving shaft, and the other end of which is eccentrically hinged to the end face of the other end of the driven shaft.

[0013] As a further improvement and optimization of the present solution, the adjusting assembly comprises:

[0014] a hand wheel, which is coaxially fixedly sleeved on one end of the driving shaft, and has a plurality of locking holes on the hand wheel;

[0015] a locking member, which is used for locking the hand wheel so as to lock the angle of the two scrapers.

[0016] As a further improvement and optimization of the present solution, the locking member comprises a plurality of locking holes on the hand wheel and a locking rod, the plurality of locking holes are equidistantly distributed along the circumference of the hand wheel, the locking rod is parallelly distributed with the driving shaft, one end of the locking rod is elastically mounted on the mounting frame, and the other end of the locking rod is operatively extended into any one of the locking holes so as to lock the hand wheel.

[0017] As a further improvement and optimization of the present solution, the flushing assembly is arranged on the side of the mounting frame close to the belt conveyor, and comprises:

[0018] a water tank, which is of an open-top structure, and each opening of the water tank is provided with a pressing plate, and the pressing plate and the inner wall of the water tank form a sealing sliding fit;

[0019] a spray head, which is mounted on the mounting frame and faces the conveyor belt of the belt conveyor and the scrapers on the driving shaft;

[0020] a connecting pipe, one end of which is in communication with the bottom side wall of the water tank, and the other end of which is connected with the spray head;

[0021] a pressing assembly, which is in transmission connection with the pressing plate, for pressing the pressing plate downward so as to make the pressing plate press the water in the water tank from the connecting pipe to the spray head.

[0022] As a further improvement and optimization of the scheme, the extrusion assembly comprises a double-rod hydraulic cylinder and a reset spring, one rod of the double-rod hydraulic cylinder is horizontally arranged and faces the mounting frame, the other rod of the double-rod hydraulic cylinder is vertically arranged and connected with the extrusion plate, and when the mounting frame moves towards the belt conveyor, the mounting frame can be in position contact with the horizontally distributed rod of the double-rod hydraulic cylinder and extrude the horizontally distributed rod inwardly, so that the vertically distributed rod extrudes the extrusion plate downwardly.

[0023] One end of the reset spring is connected with the double-rod hydraulic cylinder and the other end is connected with the extrusion plate.

[0024] As a further improvement and optimization of the scheme, the top side wall of the water tank is provided with a water inlet pipe, and the water inlet pipe is provided with a valve.

[0025] As a further improvement and optimization of the scheme, the sweeper further comprises a rack and a driving assembly, and the double-rod hydraulic cylinder and the water tank are mounted on the rack.

[0026] The driving assembly is in transmission connection with the mounting frame and is used to drive the mounting frame to move towards or away from the belt conveyor.

[0027] As a further improvement and optimization of the scheme, a collecting box is arranged below one end of the belt conveyor and is used to collect the sundries scraped by the scraper assembly.

[0028] The driving assembly comprises:

[0029] A driving motor is mounted on the rack.

[0030] A driving screw is rotationally mounted on the rack and is connected with the output end of the driving motor, and the mounting frame is transversely slidably mounted on the rack and is threadedly sleeved on the outside of the driving screw.

[0031] The above technical scheme has the following advantages compared with the prior art:

[0032] (1) When the scraper assembly moves towards the belt conveyor to scrape the sundries, the flushing assembly can flush the surface of the scraper assembly and the belt conveyor at the same time, which can flush away part of the sundries on the surface of the belt conveyor and the sundries clamped on the scraper assembly, thereby improving the sundry scraping effect on the conveying belt of the belt conveyor.

[0033] (2) the scraper assembly has two scrapers, which are arranged in an up-down mode, and when one of the scrapers is in contact with the surface of the conveyor belt of the belt conveyor, the other scraper is also in contact with the surface of the conveyor belt of the belt conveyor, thereby achieving a double-layer cleaning effect on the conveyor belt of the belt conveyor.

[0034] (3) the driving shaft is adjusted to rotate through the adjusting assembly, thereby driving the upper scraper to rotate, and the driving shaft drives the driven shaft to rotate through the linkage assembly, thereby driving the lower scraper to rotate synchronously, so that the angles of the two scrapers can be adjusted, and the cleaning work of sundries on the belt conveyor of different types and speeds can be satisfied.

[0035] (4) the water in the water tank is pressed by the pressure of the pressing plate, so that the water flows to the spray head through the connecting pipe and is sprayed outward by the spray head, thereby washing the belt conveyor and the first scraper; when the cleaning device stops working, the mounting frame moves away from the belt conveyor and is separated from the horizontally distributed plug rod of the double-plug rod hydraulic cylinder, at this time, the pressing plate is reset by the reset spring, and the spray head stops spraying water, so that the effect of cleaning the sundries on the surface of the belt conveyor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 it is a whole structure schematic view of the belt conveyor head wheel scraper type cleaner of the application;

[0037] Figure 2 it is a structure schematic view of the belt conveyor head wheel scraper type cleaner of the application;

[0038] Figure 3 it is a whole structure schematic view of the belt conveyor head wheel scraper type cleaner of the application;

[0039] Figure 4 it is an enlarged schematic view of A of the belt conveyor head wheel scraper type cleaner of the application;

[0040] Figure 5 it is an enlarged schematic view of B of the belt conveyor head wheel scraper type cleaner of the application;

[0041] In the drawings: 1, rack; 2, belt conveyor; 3, scraper assembly; 4, driving assembly; 5, flushing assembly; 6, collection box; 31, scraper; 32, driving shaft; 33, hand wheel; 34, mounting frame; 35, locking rod; 36, driven shaft; 37, centrifugal rod; 331, locking hole; 41, driving motor; 42, driving screw; 51, water tank; 52, connecting pipe; 53, spray head; 54, valve; 55, double plug rod hydraulic cylinder; 57, extrusion plate; 58, return spring; 59, water inlet pipe. DETAILED DESCRIPTION

[0042] The application will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the application.

[0043] Figure 1 It is a schematic diagram of the overall structure of the belt conveyor head wheel scraper cleaner of the application, Figure 2 It is a schematic diagram of the structure of the flushing assembly of the belt conveyor head wheel scraper cleaner of the application, Figure 3 It is a schematic diagram of the overall structure of the driving assembly of the belt conveyor head wheel scraper cleaner of the application, Figure 4 It is an enlarged schematic diagram of A of the belt conveyor head wheel scraper cleaner of the application, Figure 5 It is an enlarged schematic diagram of B of the belt conveyor head wheel scraper cleaner of the application, as Figures 1 to 5 shown, a preferred embodiment of a belt conveyor 2 head wheel scraper 31 cleaner is provided at one end of the belt conveyor 2, which comprises a scraper assembly 3 and a flushing assembly 5, the scraper assembly 3 is operable to approach and move away from the belt conveyor 2, the flushing assembly 5 is used to flush the sundries on the surface of the scraper assembly 3 and the conveying belt of the belt conveyor 2, and when the scraper assembly 3 moves towards the belt conveyor 2, the flushing assembly 5 sprays water outward to flush the scraper assembly 3 and the belt conveyor 2.

[0044] In this embodiment, when the scraper assembly 3 moves towards the belt conveyor 2 to remove sundries, the flushing assembly 5 can flush the surface of the scraper assembly 3 and the belt conveyor 2 at the same time, which can flush away part of the sundries on the surface of the belt conveyor 2 and the sundries clamped on the scraper assembly 3, thereby improving the effect of removing sundries on the conveying belt of the belt conveyor 2.

[0045] Further, as a preferred embodiment, the scraper assembly 3 comprises a mounting frame 34, a driving shaft 32, a driven shaft 36, an adjusting assembly and a linkage assembly, the mounting frame 34 is operable to be close to or away from the belt conveyor 2, the driving shaft 32 is above the driven shaft 36 and arranged in parallel with each other, and one end of the driving shaft 32 and the driven shaft 36 are rotatably mounted on the mounting frame 34, the outer part of the driving shaft 32 and the outer part of the driven shaft 36 are fixedly sleeved with the scraper 31, when one of the scrapers 31 contacts the surface of the conveying belt of the belt conveyor 2, the other scraper 31 also contacts the surface of the conveying belt of the belt conveyor 2, the adjusting assembly is in transmission connection with the driving shaft 32 for driving the driving shaft 32 to rotate to adjust the angle of the scraper 31, and the linkage assembly is connected between the driving shaft 32 and the driven shaft 36, and when the driving shaft 32 rotates, the driven shaft 36 synchronously rotates through the linkage assembly.

[0046] In the embodiment, the scraper assembly 3 has two scrapers 31 arranged in an up-down manner, and when one of the scrapers 31 contacts the surface of the conveying belt of the belt conveyor 2, the other scraper 31 also contacts the surface of the conveying belt of the belt conveyor 2, thereby achieving the double-layer cleaning effect on the conveying belt of the belt conveyor 2.

[0047] In the embodiment, the driving shaft 32 can be adjusted to rotate through the adjusting assembly, and the scraper 31 above is driven to rotate, at the same time, the driving shaft 32 is synchronously driven to rotate through the linkage assembly, and the scraper 31 below is synchronously driven to rotate, thereby the angle of the two scrapers 31 can be adjusted, and the debris cleaning work of the belt conveyor 2 of different types and speeds can be satisfied.

[0048] Further, as a preferred embodiment, the linkage assembly comprises a centrifugal rod 37, one end of the centrifugal rod 37 is eccentrically hinged to the end face of the other end of the driving shaft 32, and the other end of the centrifugal rod 37 is eccentrically hinged to the end face of the other end of the driven shaft 36.

[0049] Further, as a preferred embodiment, the adjusting assembly comprises a hand wheel 33 and a locking member, the hand wheel 33 is coaxially fixedly sleeved on one end of the driving shaft 32, the hand wheel 33 has a plurality of locking holes 331, and the locking member is used for locking the hand wheel 33 to lock the angle of the two scrapers 31, after the angle of the two scrapers 31 is adjusted, the hand wheel 33 is locked through the locking member, thereby the angle of the two scrapers 31 is locked, and the stability of the scrapers 31 in cleaning the debris on the conveying belt of the belt conveyor 2 is improved.

[0050] Further, as a preferred embodiment, the locking member comprises a plurality of locking holes 331 arranged on the hand wheel 33 and a locking rod 35, the plurality of locking holes 331 are equidistantly distributed along the circumference of the hand wheel 33, the locking rod 35 is parallel to the driving shaft 32, one end of the locking rod 35 is elastically mounted on the mounting frame 34, and the other end of the locking rod 35 is operatively extended into any one of the locking holes 331 to lock the hand wheel 33.

[0051] More preferably, the locking rod 35 is elastically connected to the mounting frame 34 by a spring.

[0052] When the angle of the scraper 31 needs to be adjusted, the locking rod 35 is manually pressed inward to make the locking rod 35 disengage from the locking hole 331, and then the handle is rotated to adjust the angle of the scraper 31, after the adjustment is completed, the locking rod 35 is released, and the locking rod 35 is extended outward to the corresponding locking hole 331 under the action of the elastic force to lock the hand wheel 33.

[0053] Further, as a preferred embodiment, the flushing assembly 5 is arranged on the side of the mounting frame 34 close to the belt conveyor 2, which comprises a water tank, a spray head, a connecting pipe and a pressing assembly, the water tank is an open-top structure, each opening of the water tank is provided with a pressing plate 57, the pressing plate 57 is in sealing sliding fit with the inner wall of the water tank, the spray head is mounted on the mounting frame 34 and faces the conveyor belt of the belt conveyor and the scraper 31 on the driving shaft 32, one end of the connecting pipe is in communication with the bottom side wall of the water tank, and the other end is connected with the spray head, the pressing assembly is in transmission connection with the pressing plate 57, and is used for pressing the pressing plate 57 downward to make the pressing plate 57 press the water in the water tank to the spray head through the connecting pipe.

[0054] Further, as a preferred embodiment, the pressing assembly comprises a double-rod hydraulic cylinder and a return spring 58, one rod of the double-rod hydraulic cylinder is horizontally arranged and faces the mounting frame 34, and the other rod of the double-rod hydraulic cylinder is vertically arranged and connected with the pressing plate 57, when the mounting frame 34 moves towards the belt conveyor 2, the mounting frame 34 can be in limiting contact with the horizontally distributed rod of the double-rod hydraulic cylinder and press the horizontally distributed rod inward, so that the vertically distributed rod presses the pressing plate 57 downward, one end of the return spring 58 is connected with the double-rod hydraulic cylinder, and the other end is connected with the pressing plate 57.

[0055] The embodiment is characterized in that the water tank, the double-segment rod hydraulic cylinder and the spray head are cooperated with each other through the flushing assembly 5, the water in the water tank is pressed by the pressure of the pressing plate 57, so that the water flows to the spray head through the connecting pipe and is sprayed out of the spray head, and the belt conveyor 2 and the first scraper 31 are flushed, when the cleaning device stops working, the mounting frame 34 moves away from the belt conveyor 2 and is separated from the horizontally distributed segment rod of the double-segment rod hydraulic cylinder, at this time, the pressing plate 57 is reset by the reset spring 58, and the spray head stops spraying water, so that the design is beneficial to improve the effect of cleaning the sundries on the surface of the belt conveyor 2.

[0056] Further, as a preferred embodiment, the top side wall of the water tank is provided with a water inlet pipe 59, and the water inlet pipe 59 is provided with a valve.

[0057] Further, as a preferred embodiment, the cleaner further comprises a rack 1 and a driving assembly 4, and the double-segment rod hydraulic cylinder and the water tank are mounted on the rack 1.

[0058] The driving assembly 4 is in transmission connection with the mounting frame 34, and is used for driving the mounting frame 34 to move close to or away from the belt conveyor 2.

[0059] Further, as a preferred embodiment, a collecting box 6 is arranged below one end of the belt conveyor 2, and is used for collecting the sundries scraped by the scraper assembly 3.

[0060] The driving assembly 4 comprises a driving motor 41 and a driving screw rod 42, the driving motor 41 is mounted on the rack 1, the driving screw rod 42 is rotatably mounted on the rack 1 and is connected with the output end of the driving motor 41, the mounting frame 34 is transversely slidably mounted on the rack 1 and is threadedly sleeved on the outside of the driving screw rod 42, when the driving screw rod 42 rotates, the mounting frame 34 transversely slides and moves close to or away from the belt conveyor 2.

[0061] The above only describes the preferred embodiments of the present application, and does not limit the implementation and protection scope of the present application, and those skilled in the art should realize that any equivalent replacement and obvious change made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. A scraper-type cleaner for the head wheel of a belt conveyor, disposed at one end of the belt conveyor, characterized in that, include: The scraper assembly and the flushing assembly are provided, wherein the scraper assembly is operable to approach and move away from the belt conveyor, and the flushing assembly is used to flush debris from the scraper assembly and the conveyor belt surface of the belt conveyor, and when the scraper assembly moves toward the belt conveyor, the flushing assembly sprays water outward to flush the scraper assembly and the belt conveyor. The scraper assembly includes: Mounting bracket, which is operable to be close to or away from the belt conveyor; The system includes a drive shaft and a driven shaft, with the drive shaft positioned above the driven shaft and arranged parallel to each other. One end of both the drive shaft and the driven shaft is rotatably mounted on the mounting frame. Scrapers are fixedly fitted onto the outside of both the drive shaft and the driven shaft. When one of the scrapers contacts the surface of the conveyor belt of the belt conveyor, the other scraper also contacts the surface of the conveyor belt of the belt conveyor. An adjustment component, which is connected to the drive shaft drive, is used to drive the drive shaft to rotate in order to adjust the angle of the scraper; A linkage component is connected between the drive shaft and the driven shaft. When the drive shaft rotates, the driven shaft rotates synchronously in tandem with it through the linkage component. The linkage component includes a centrifugal rod, one end of which is eccentrically hinged to the end face of the other end of the drive shaft, and the other end of which is eccentrically hinged to the end face of the other end of the driven shaft.

2. The belt conveyor head wheel scraper cleaner according to claim 1, characterized in that, The adjustment component includes: A handwheel, which is coaxially fixedly sleeved on one end of the drive shaft, and has several locking holes; A locking member is provided to lock the handwheel to lock the angle of the two scrapers.

3. The belt conveyor head wheel scraper cleaner according to claim 2, characterized in that, The locking component includes a plurality of locking holes and a locking rod provided on the handwheel. The plurality of locking holes are distributed at equal intervals along the circumference of the handwheel. The locking rod is distributed parallel to the drive shaft, and one end of the locking rod is elastically mounted on the mounting bracket. The other end of the locking rod can be operably inserted into any one of the locking holes to lock the handwheel.

4. The belt conveyor head wheel scraper cleaner according to claim 1, characterized in that, The rinsing assembly is located on the side of the mounting frame near the belt conveyor, and includes: The water tank has a top-opening structure, and each opening of the water tank has a pressing plate, which forms a sealed sliding fit with the inner wall of the water tank. The nozzle is mounted on the mounting bracket and faces the conveyor belt of the belt conveyor and the scraper located on the drive shaft; A connecting pipe, one end of which is connected to the bottom side wall of the water tank and the other end of which is connected to the nozzle; A squeezing assembly is drivenly connected to the squeezing plate and is used to squeeze the squeezing plate downwards so that the squeezing plate squeezes the water in the water tank through the connecting pipe and sprays it out of the nozzle.

5. The belt conveyor head wheel scraper cleaner according to claim 4, characterized in that, The extrusion assembly includes a double-piston hydraulic cylinder and a return spring. One piston rod of the double-piston hydraulic cylinder is horizontally positioned and faces the mounting frame. The other piston rod of the double-piston hydraulic cylinder is vertically positioned and connected to the extrusion plate. When the mounting frame moves toward the belt conveyor, the mounting frame can make limiting contact with the horizontally distributed piston rods of the double-piston hydraulic cylinder and extrude the horizontally distributed piston rods inward, so that the vertically distributed piston rods extrude the extrusion plate downward. One end of the reset spring is connected to the double piston rod hydraulic cylinder, and the other end is connected to the extrusion plate.

6. The belt conveyor head wheel scraper cleaner according to claim 4, characterized in that, The water tank has a water inlet pipe on its top side wall, and the water inlet pipe has a valve.

7. The belt conveyor head wheel scraper cleaner according to claim 5, characterized in that, The sweeper also includes a frame and a drive assembly, with the double piston rod hydraulic cylinder and the water tank both mounted on the frame; The drive assembly is connected to the mounting frame for driving the mounting frame to move closer to or away from the belt conveyor.

8. The belt conveyor head wheel scraper cleaner according to claim 1, characterized in that, A collection box is provided below one end of the belt conveyor to collect the debris scraped off by the scraper assembly.

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