Boiler scraper conveyor

Abstract

The boiler scraper conveyor comprises a groove body, a material groove is formed in the groove body, the groove body comprises a bottom plate and side plates arranged on the two sides of the bottom plate, cavities are formed in the side plates, and an inserting groove penetrating through the side plates on the two sides is formed in one side of the groove body; the scraper assembly is arranged in the material groove and comprises a driving chain and a plurality of scrapers, the scrapers are arranged on the driving chain and used for scraping materials in the material groove, the driving mechanism is connected to the groove body and used for driving the scraper assembly, a graphite plate is arranged on the bottom plate and inserted into the inserting groove, and the eccentric locking mechanism is arranged on the bottom plate. The cavity is laid on the bottom plate, and the eccentric locking mechanisms are arranged in the cavity and used for rapidly fixing the graphite plate; the graphite plate can effectively protect the bottom plate, the maintenance frequency is reduced, the graphite plate has the self-lubricating property, the resistance can be reduced, the energy consumption is reduced, the eccentric locking mechanism can quickly fix or loosen the graphite plate, replacement is convenient, the replacement time is shortened, and the loss can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of scraper machines, and in particular to a boiler scraper machine. Background Art

[0002] At present, when the boiler is working, a scraper is needed to transport the impurities or ash inside it out of the boiler. When the scraper is working, the scraper or chain and other parts will rub against the bottom plate of the scraper, which will wear out the bottom plate. Therefore, it needs to be replaced frequently, which is time-consuming and laborious, and will affect the production efficiency of the entire production line. At the same time, the resistance is relatively large, and a high-power drive device is needed to drive it, which will increase energy consumption. Utility Model Content

[0003] The present application provides a boiler scraper to solve the problem that the bottom plate of the boiler scraper is easy to wear and needs frequent maintenance and replacement, and adopts the following technical solutions:

[0004] A boiler scraper comprises a tank body, wherein a material tank is arranged in the tank body, wherein the tank body comprises a bottom plate and side plates arranged at both sides of the bottom plate, wherein a cavity is arranged in the side plates, and wherein the tank body is provided with a plug-in slot penetrating through the side plates at both sides;

[0005] A scraper assembly, the scraper assembly is arranged in the material trough, and comprises a conveying mechanism and a plurality of scrapers, the scrapers are arranged on the conveying mechanism and are used to scrape the material in the material trough;

[0006] A driving mechanism, the driving mechanism is arranged on the tank body and is used to drive the scraper assembly;

[0007] A graphite plate is provided on the bottom plate, and the graphite plate is inserted into the insertion groove and laid on the bottom plate;

[0008] At least one eccentric locking mechanism is disposed in the cavity and is used for quickly locking the graphite plate.

[0009] Preferably, the eccentric locking mechanism includes at least one eccentric wheel and a pressure plate, and a handle provided on the eccentric wheel, the eccentric wheel is rotatably connected to the side plate, and when locking the graphite plate, the eccentric wheel abuts against and presses the pressure plate.

[0010] Further preferably, a locking groove corresponding to the eccentric wheel is provided on the top of the pressure plate, a buffer component is provided on the bottom, and the pressure plate is slidably connected to the side plate.

[0011] Further preferably, there are two eccentric wheels, and at least one connecting rod is arranged between the eccentric wheels, and the connecting rod is rotatably connected to the eccentric wheels respectively.

[0012] Further preferably, a clearance groove is provided at the top of the side panel, and the handle passes through the clearance groove and extends to the outside of the side panel.

[0013] Further preferably, an elastic component is provided between the pressure plate and the side plate.

[0014] Preferably, the graphite plate is a graphite resin composite material.

[0015] Further preferably, the thickness of the graphite plate is 2 cm-10 cm.

[0016] Preferably, the driving mechanism comprises a driving shaft, a driving wheel and a driving device, the driving shaft is arranged at both ends of the material trough and is rotatably connected to the side plate, the driving wheel is arranged on the driving shaft, and the driving device is transmission-connected to the driving shaft for rotation.

[0017] The beneficial effects of this application are:

[0018] (1) A plug-in slot is provided on the tank body, and a graphite plate is placed in the plug-in slot to protect the bottom plate of the tank body. The surface of the graphite plate is smooth and has self-lubricating properties, which reduces the friction between the scraper and the graphite plate, reduces wear, increases service life, and reduces the number of maintenance and replacement times. Since the friction resistance between the scraper and the graphite plate is small, only a smaller power drive device is required to drive it, which can save energy and reduce costs.

[0019] (2) On the basis of the above, an eccentric locking mechanism is provided in the side plate cavity, which can easily drive the eccentric wheel to rotate through the lever principle, and can quickly loosen the graphite plate to facilitate its replacement. After the replacement is completed, the graphite plate can be quickly fixed. The operation is simple, which can greatly shorten the maintenance and replacement time and reduce losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present application;

[0021] Figure 2 is a front view of the present application;

[0022] Figure 3 This application Figure 2 Sectional view at AA (when the eccentric locking mechanism is released);

[0023] Figure 4 This application Figure 2 Sectional view at AA in the middle (when the eccentric locking mechanism is locked);

[0024] Figure 5 This application Figure 3 A partial enlarged view of point A in the middle.

[0025] In the figure:

[0026] 1. trough body, 11. bottom plate 12. side plate, 13. material trough, 2. driving mechanism, 21. driving shaft, 22. driving wheel, 3. scraper assembly, 31. conveying mechanism, 32. scraper, 4. graphite plate, 5. eccentric locking mechanism, 51. eccentric wheel, 52. pressure plate, 520, locking groove, 53. handle, 54. connecting rod, 6. elastic component, 7. buffer component, 8. plug-in groove, 9. give way groove, 100. cavity. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described in the present application are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0028] See also Figures 1 to 5 To further illustrate the present application, a boiler scraper comprises a trough body 1, a scraper assembly 3 and a driving mechanism 2. A material trough 13 is provided in the trough body 1, and ash falls into the material trough 13 when the boiler is working.

[0029] The trough body 1 includes a bottom plate 11 and side plates 12 arranged on both sides of the bottom plate 11, a cavity 100 is arranged in the side plate 12, and a plug-in slot 8 connecting the cavities 100 on both sides is arranged on one side of the trough body 1, wherein the trough body 1 is a split structure for easy installation; in some embodiments, the trough body 1 can also be an integrated structure.

[0030] Combination Figure 2 The scraper assembly 3 is arranged in the material trough 13, including a conveying mechanism 31 and a plurality of scrapers 32. The scrapers 32 are arranged on the conveying mechanism 31 and are used to scrape out the material in the material trough 13, wherein the conveying mechanism 31 can be a conveyor chain or a conveyor belt, etc. In this embodiment, the conveying mechanism 31 is a conveyor chain; the driving mechanism 2 is connected to the trough body 1, and is used to drive the scraper assembly 3 to remove the ash in the material trough 13.

[0031] Combination Figure 2 and Figure 5 A graphite plate 4 is provided on the bottom plate 11, and the graphite plate 4 is inserted into the insertion groove 8 and laid on the bottom plate 11. When working, the scraper 32 slides along the surface of the graphite plate 4 to scrape out ash; the graphite plate 4 has a self-lubricating function, so it can reduce the wear between the scraper 32 and the graphite plate 4, improve the service life, and reduce the number of replacement and maintenance times. At the same time, the friction resistance between the scraper 32 and the graphite plate 4 is small, so a relatively small power driving device can be used to drive the work, which can save energy consumption and reduce costs.

[0032] In actual use, the scraper needs to shut down the corresponding boiler for maintenance, which will affect the entire production line. If the maintenance time is long, it will cause great losses to the company. Therefore, at least one eccentric locking mechanism 5 is provided in the cavity 100. The eccentric locking mechanism 5 can lock and fix the two sides of the graphite plate 4 inserted into the plug-in slot 8. When the graphite plate 4 needs to be replaced, the graphite plate 4 can be pulled out by loosening the eccentric locking mechanism 5. The replacement and installation are convenient, which can shorten the replacement and maintenance time and thus reduce losses.

[0033] Combination Figure 3 The eccentric locking mechanism 5 includes at least one eccentric wheel 51 and a pressure plate 52, and a handle 53 arranged on the eccentric wheel 51. In this embodiment, there are two eccentric wheels 51, and at least one connecting rod 54 is arranged between the eccentric wheels 51 to connect them. The connecting rod 54 is rotatably connected to the eccentric wheels 51 respectively, and the eccentric wheels 51 are rotatably connected to the side plate 12. The eccentric wheels 51 can be driven to rotate by rotating the handle 53. The pressure plate 52 is arranged between the eccentric wheel 51 and the graphite plate 4, and the eccentric wheel 51 abuts against the pressure plate 52. There are two connecting rods 54, and a parallelogram structure is formed between the connecting rod 54 and the cam. When one eccentric wheel 51 is driven by the handle 53, the other eccentric wheels 51 will rotate synchronously to lock or release the graphite plate 4 accordingly. Through the principle of leverage, the eccentric wheels 51 can be driven to rotate more easily, and the operation is convenient. In some embodiments, a cylinder can also be provided to drive the handle 53.

[0034] Combination Figure 5 The pressing plate 52 is provided with a locking groove 520, and the eccentric wheel 51 is driven to rotate by the handle 53. The raised portion of the eccentric wheel 51 rotates into the locking groove 520 to lock the eccentric wheel 51, thereby locking the graphite plate 4. A buffer component 7 is provided at the bottom of the pressing plate, wherein the buffer component 7 is a rubber plate for protecting the graphite plate 4 from being crushed. At the same time, the buffer component 7 can increase the friction between the graphite plate 4 and the graphite plate 4 to prevent the graphite plate 4 from running off the track; the pressing plate 52 is slidably connected to the side plate 12, specifically, a guide groove is provided on the side plate 12, and guide columns are provided on both sides of the pressing plate 52, and the pressing plate 52 slides up and down along the guide groove through the guide columns.

[0035] Combination Figure 1 , Figure 3 and Figure 4A clearance groove 9 is provided on the top of the side plate 12, and the clearance groove 9 corresponds to the handle 53. The handle 53 extends through the clearance groove 9 to the outside of the side plate 12; an elastic component 6 is also provided between the pressing plate 52 and the side plate 12, wherein the elastic component 6 is a spring. Specifically, the elastic component 6 connects the pressing plate 52 and the top of the side plate 12, and the elastic component 6 will pull the pressing plate 52 to abut against the eccentric wheel, so as to facilitate the removal and replacement of the graphite plate 4; the elastic component 6 can also be provided between the pressing plate 52 and the bottom plate 11 to push the pressing plate 52 to abut against the eccentric wheel 51.

[0036] Combination Figure 3 When replacing the graphite plate 4, the handle 53 is rotated to drive the eccentric wheel 51 to rotate, so that the cam disengages from the locking groove 520 to release the pressure plate 52, and the elastic component 6 pulls the pressure plate 52 upward to remove the graphite plate 4 from the insertion groove 8; the new graphite plate 4 is inserted into the insertion groove 8, and the handle 53 is rotated to drive the eccentric wheel 51 to move into the locking groove 520 to lock the graphite plate 4.

[0037] The graphite plate 4 is a graphite resin composite material, has good self-lubrication and wear resistance, high strength and stability, excellent processing performance, and can be flexibly designed in size and shape. The thickness of the graphite plate 4 is 2cm-10cm, and preferably, the thickness of the graphite plate 4 is 3cm.

[0038] Combination Figure 2 The driving mechanism 2 includes a driving shaft 21, a driving wheel 22 and a driving device (not shown). The driving shaft 21 is arranged at both ends of the material trough 13 and is rotatably connected to the side plate 12. The driving wheel 22 is arranged on the driving shaft 21. The driving device is connected to the driving shaft 21 for rotation. The driving device and the driving shaft 21 can be connected by belt drive or chain drive. Specifically, the driving device is a motor. A pulley is arranged on the driving shaft 21 outside the side plate 12. The driving device drives the pulley through belt drive to drive the driving wheel 22 to rotate.

Claims

1. A boiler scraper, comprising a tank body, wherein a material tank is provided in the tank body, characterized in that: The tank body includes a bottom plate and side plates arranged on both sides of the bottom plate, a cavity is arranged in the side plates, and the tank body is provided with plug-in slots penetrating the side plates on both sides; A scraper assembly, the scraper assembly is arranged in the material trough, and comprises a conveying mechanism and a plurality of scrapers, the scrapers are arranged on the conveying mechanism and are used to scrape the material in the material trough; A driving mechanism, the driving mechanism is arranged on the tank body and is used to drive the scraper assembly; A graphite plate is provided on the bottom plate, and the graphite plate is inserted into the insertion groove and laid on the bottom plate; At least one eccentric locking mechanism is disposed in the cavity and is used for quickly locking the graphite plate.

2. The boiler scraper according to claim 1, characterized in that: The eccentric locking mechanism includes at least one eccentric wheel and a pressure plate, and a handle arranged on the eccentric wheel. The eccentric wheel is rotatably connected to the side plate. When locking the graphite plate, the eccentric wheel abuts against and presses the pressure plate.

3. The boiler scraper according to claim 2, characterized in that: The top of the pressing plate is provided with a locking groove corresponding to the eccentric wheel, and the bottom is provided with a buffer component. The pressing plate is slidably connected with the side plate.

4. The boiler scraper according to claim 2, characterized in that: There are two eccentric wheels, and at least one connecting rod is arranged between the eccentric wheels, and the connecting rod is rotatably connected to the eccentric wheels respectively.

5. The boiler scraper according to claim 2, characterized in that: A clearance groove is provided on the top of the side plate, and the handle passes through the clearance groove and extends to the outside of the side plate.

6. The boiler scraper according to claim 2, characterized in that: An elastic component is also provided between the pressing plate and the side plate for connection.

7. The boiler scraper according to claim 1, characterized in that: The graphite plate is a graphite resin composite material.

8. The boiler scraper according to claim 7, characterized in that: The thickness of the graphite plate is 2 cm-10 cm.

9. The boiler scraper according to claim 1, characterized in that: The driving mechanism comprises a driving shaft, a driving wheel and a driving device. The driving shaft is arranged at both ends of the material trough and is rotatably connected to the side plates. The driving wheel is arranged on the driving shaft, and the driving device is transmission-connected to the driving shaft for rotation.

Images