Fuel conveying device for thermal power plant

Abstract

The invention relates to the technical field of thermal power plant fuel conveying, in particular to a thermal power plant fuel conveying device which comprises a conveying unit which comprises a support, a tightening frame arranged on the support, a shaft body arranged on a supporting plate and an auxiliary roller arranged on a roller body. The pressurizing unit comprises a storage box arranged on the support, a swing assembly arranged on the universal assembly and an air inlet assembly arranged on the storage box, and the pressurizing unit makes contact with the conveying unit, so that when the conveying unit conveys fuel, the storage box of the pressurizing unit can be kept in a micro-high-pressure state; the lubricating oil of the pressurizing unit can enter the circulation unit, the circulation unit is pressed along with the rolling element, a small amount of lubricating oil can enter the rolling element through pressing every time, then the shaft body is lubricated, manual single lubrication is not needed any more, and the workload is greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of fuel transportation in thermal power plants, and in particular to a fuel transportation device in thermal power plants. Background Art

[0002] Belt conveyors can achieve high-speed continuous transportation, improve production efficiency and transportation capacity, ensure fast and accurate transportation of materials, carry a large amount of materials, and are suitable for large-scale fuel transportation needs. Belt conveyors are widely used in fuel transportation in thermal power plants. Their high efficiency, energy saving, environmental protection, and adaptability to different working conditions make them ideal fuel transportation equipment for thermal power plants.

[0003] However, existing belt conveyors need to be regularly maintained when not in use, especially the lubrication of the conveyor rollers. Otherwise, the conveyor belt may easily deviate during transportation. The reason is mostly that the conveyor rollers are rusted due to long-term non-use. Traditional regular maintenance requires manual lubrication, which is extremely time-consuming and labor-intensive, making maintenance difficult. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] The present invention is proposed in view of the above-mentioned problem that it is troublesome to lubricate the roller body of the belt conveyor.

[0006] Therefore, an object of the present invention is to provide a fuel delivery device for a thermal power plant.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: A fuel conveying device for a thermal power plant, comprising: a conveying unit, comprising a bracket, a tightening frame arranged on the bracket, a roller frame arranged on the tightening frame, a supporting plate arranged on the roller frame, a roller body arranged on the supporting plate, an auxiliary roller arranged on the roller body, and a conveying belt arranged on the auxiliary roller;

[0008] The charging unit includes a storage box arranged on the bracket, a fitting assembly arranged on the storage box, a universal assembly arranged on the fitting assembly, a swing assembly arranged on the universal assembly, and an air intake assembly arranged on the storage box.

[0009] As a preferred solution of the thermal power plant fuel conveying device described in the present invention, the bonding component includes a support plate arranged on the storage box, a trough body arranged on the support plate, a slide groove arranged on the trough body, a slider arranged on the slide groove, and a bonding wheel arranged on the slider.

[0010] As a preferred solution of the thermal power plant fuel conveying device described in the present invention, the universal joint assembly includes a rotating shaft arranged on the bonding wheel, a universal joint arranged on the rotating shaft, a fixed plate arranged on the storage box, and a transmission shaft arranged on the fixed plate and connected to the universal joint.

[0011] As a preferred solution of the thermal power plant fuel conveying device of the present invention, the swing assembly includes a disc arranged on the transmission shaft, a fixing rod arranged on the disc, and a connecting rod arranged on the fixing rod.

[0012] As a preferred solution of the thermal power plant fuel delivery device described in the present invention, the air intake assembly includes an air intake column arranged on a storage box, a first piston block arranged on the air intake column, a through groove arranged on the first piston block, a sliding rod member arranged on the through groove, and a second piston block arranged on the sliding rod member.

[0013] As a preferred solution of the thermal power plant fuel delivery device of the present invention, it also includes:

[0014] The circulation unit comprises a circulation component arranged on the storage box, a fixing component arranged on the supporting plate, a pressure-bearing component arranged on the supporting plate, and an injection component arranged on the supporting plate.

[0015] As a preferred solution of the fuel conveying device for a thermal power plant of the present invention, the flow assembly includes a transport pipe arranged on the storage box, and a cavity arranged on the supporting plate.

[0016] As a preferred solution of the thermal power plant fuel conveying device described in the present invention, the fixing assembly includes an inner ring arranged on the shaft body, a rolling element arranged on the inner ring, an outer ring arranged on the rolling element, a circular hole arranged on the outer ring, a horizontal plate arranged on the outer ring, and a tightening groove arranged on the supporting plate.

[0017] As a preferred solution of the thermal power plant fuel conveying device described in the present invention, the pressure component includes a pressure rod arranged on a supporting plate, a matching block arranged on the cavity, a moving block arranged on the pressure rod, and a restoring spring arranged on the cavity and connected to the moving block.

[0018] As a preferred solution of the thermal power plant fuel delivery device of the present invention, the injection assembly includes a circular groove arranged on the moving block, a fixing frame arranged on the circular groove, a fixing spring arranged on the fixing frame, and a baffle arranged on the fixing spring.

[0019] Beneficial effects of the present invention: The present invention makes contact between the charging unit and the conveying unit, so that when the conveying unit conveys fuel, the storage box of the charging unit can maintain a slightly high pressure state, so that the lubricating oil of the charging unit can enter the circulation unit. The circulation unit is pressed as the rolling element touches, and each time the contact is pressed, a small amount of lubricating oil can enter the rolling element, thereby lubricating the shaft body. Manual lubrication is no longer required, which greatly reduces the workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 The figure is an overall schematic diagram of a fuel delivery device for a thermal power plant.

[0022] Figure 2 for Figure 1 Enlarged view of point A in .

[0023] Figure 3 This is a schematic diagram of a bonding wheel for a fuel delivery device in a thermal power plant.

[0024] Figure 4 This is a schematic diagram of an intake column of a fuel delivery device in a thermal power plant.

[0025] Figure 5 The figure is a schematic diagram of a support plate of a fuel delivery device in a thermal power plant.

[0026] Figure 6 The figure is a schematic diagram of a flow unit of a fuel delivery device in a thermal power plant.

[0027] Figure 7 for Figure 6 Enlarged view of point B in .

[0028] Figure 8 for Figure 6 Enlarged view of point C in the figure.

[0029] Fig. 9 It is a side schematic diagram of a fuel delivery device for a thermal power plant. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0034] Example 1

[0035] Reference Figure 1 , is the first embodiment of the present invention, which provides a fuel conveying device for a thermal power plant, including a conveying unit 100, a charging unit 200 and a circulation unit 300. The conveying unit 100 is used to convey fuel. When the conveying unit 100 starts to convey, its charging unit 200 contacts the conveying belt 107 of the conveying unit 100, and the conveying belt 107 drives the charging unit 200 to transmit, so that the pressure of the storage box 201 of the charging unit 200 gradually increases, and the auxiliary roller 105 is lubricated through the circulation unit 300, thereby completing the lubrication maintenance of the conveying unit 100.

[0036] Specifically, the conveying unit 100 includes a bracket 101, and a plurality of tightening frames 102 are installed on the top of the bracket 101. The tightening frames 102 are set according to the actual fuel conveying distance of the thermal power plant. A roller frame 103 is installed on the top of the tightening frame 102. A supporting plate 104 is installed on the top of the roller frame 103. The supporting plate 104 has a mounting groove opened from the top side for embedding an auxiliary roller 105, so that the shaft 106 on the auxiliary roller 105 is installed on the supporting plate 104. A conveyor belt 107 is laid on the auxiliary roller 105. The conveyor belt 107 is driven by a motor and is auxiliary supported and driven by the auxiliary roller 105 on the way, thereby realizing the conveyance of the fuel.

[0037] Operation process: When the fuel is being transported, the driving device of the belt conveyor is started to move the conveyor belt 107 along a predetermined path. The material moves forward driven by the conveyor belt 107. During the transportation process, the conveyor belt 107 is supported and guided by a series of auxiliary rollers 105 to ensure its stable operation. After the material reaches the end of the conveyor belt 107, it naturally falls into the storage point.

[0038] Example 2

[0039] Reference Figure 1-Figure 4 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that: a charging unit 200 includes a storage box 201 arranged on a bracket 101, a fitting component 202 is installed on the top of the storage box 201, the fitting component 202 is kept in contact with the conveyor belt 107, a universal component 203 is installed at one end of the fitting component 202, a swing component 204 is installed at one end of the universal component 203, an air intake component 205 is installed on the top of the storage box 201, lubricating oil is stored in the storage box 201, the fitting component 202 drives the universal component 203 to move as the conveyor belt 107 moves, the movement of the universal component 203 drives the swing component 204 to move, the swing component 204 drives the air intake component 205 to move, and the air intake component 205 performs cyclic injection and pressure on the storage box 201, so that the storage box 201 maintains a slightly high pressure state when the conveyor belt 107 moves, so that the lubricating oil can enter the circulation unit 300.

[0040] Specifically, the bonding component 202 includes a support plate 202a arranged on the storage box 201, a groove body 202b is opened on the outer wall of the support plate 202a, a slide groove 202c is opened inside the groove body 202b, a slider 202d is installed on the inner wall of the slide groove 202c, and the slider 202d is movably connected with a bonding wheel 202e, and a support spring 202f is installed on the inner bottom wall of the groove body 202b. The support spring 202f exerts an upward elastic force on the slider 202d, so that the bonding wheel 202e on the slider 202d can always keep in contact with the conveyor belt 107. When the weight of the fuel on the top side of the conveyor belt 107 changes, even if the tension of the conveyor belt 107 between the two sets of auxiliary rollers 105 changes, the support spring 202f on the support plate 202a can keep the bonding wheel 202e in contact with the conveyor belt 107, thereby ensuring the rotation transmission of the bonding wheel 202e.

[0041] Furthermore, the universal joint assembly 203 includes a rotating shaft 203a arranged on the fitting wheel 202e, a universal joint 203b is installed at one end of the rotating shaft 203a, a fixed plate 203c is installed on the top of the storage box 201, and a transmission shaft 203d is arranged on the fixed plate 203c and connected to the universal joint 203b. The rotation of the rotating shaft 203a can drive the transmission shaft 203d to rotate through the universal joint 203b, thereby turning the transmission direction.

[0042] Furthermore, the swing assembly 204 includes a disc 204a arranged on the transmission shaft 203d, a fixing rod 204b is installed on the outer wall of the disc 204a, and a connecting rod 204c is installed on the outer wall of the fixing rod 204b. The rotation of the disc 204a drives the fixing rod 204b to rotate, and the rotation of the fixing rod 204b drives the connecting rod 204c to swing up and down.

[0043] Furthermore, the air intake assembly 205 includes an air intake column 205a arranged on the storage box 201, a first piston block 205b is installed on the inner wall of the air intake column 205a, a through groove 205c is opened on the top of the first piston block 205b, a sliding rod 205d is installed on the inner wall of the through groove 205c, and a second piston block 205e is arranged on the sliding rod 205d. When the second piston block 205e moves upward, the sliding rod 205d pulls the first piston block 205b to move upward when it moves to the limit distance in the through groove 205c. At this time, the second piston block 205e is separated from the first piston block 205b, and the through groove 205c is opened, so that when the second piston block 205e and the first piston block 205b move upward, negative pressure will not be caused in the storage box 201. When the second piston block 205e moves downward, the second piston block 205e is embedded in the through groove 205c. At this time, the first piston block 205b and the second piston block 205e are connected as a whole.

[0044] The rest of the structure is the same as that of Example 1.

[0045] Operation process: Its supporting spring allows the laminating wheel 202e to be tensioned up and down, so that the laminating wheel 202e is always in contact with the lower end of the conveyor belt 107, so that when the conveyor belt 107 is conveying, the conveyor belt 107 drives the laminating wheel 202e to rotate, and the rotation of the laminating wheel 202e drives the rotating shaft 203a to rotate, and the rotation of the rotating shaft 203a drives the transmission shaft 203d to rotate through the universal joint 203b, and the rotation of the transmission shaft 203d drives the disc 204a to rotate, and the rotation of the disc 204a drives the fixed rod 204b to rotate and move, and the rotation and movement of the fixed rod 204b drives the connecting rod 204c to swing up and down, and the connecting rod 204c and the second piston block 205e The top is movably connected. When the second piston block 205e moves upward, the second piston block 205e is separated from the first piston block 205b. At this time, the through groove 205c is opened, so that the second piston block 205e and the first piston block 205b will not cause negative pressure in the storage box 201 when they move upward. When the second piston block 205e moves downward, the second piston block 205e is embedded in the through groove 205c. At this time, the first piston block 205b and the second piston block 205e are connected as a whole. At this time, the gas in the intake column 205a is squeezed into the storage box 201, which increases the air pressure in the storage box 201, and then the lubricating oil stored in the storage box 201 is affected by the air pressure and enters the injection unit.

[0046] Example 3

[0047] Reference Figure 5-Figure 8 , which is the third embodiment of the present invention, and this embodiment is different from the above embodiments in that it also includes a circulation unit 300, including a circulation component 301 arranged on the storage box 201, and a fixed component 302 arranged on the supporting plate 104, the fixed component 302 is used to connect the shaft 106, and a pressure component 303 is installed inside the supporting plate 104. When the pressure component 303 is pressed by the fixed component 302, its lubricating oil enters the interior of the fixed component 302 through the injection component 304, and then lubricates the rolling element 302b.

[0048] Specifically, the circulation component 301 includes a transport pipe 301a arranged on the storage box 201, and a cavity 301b arranged on the support plate 104. The transport pipe 301a is connected to each support plate 104. A cavity 301b is opened inside each group of support plates 104, and lubricating oil is temporarily stored in the cavity 301b.

[0049] Furthermore, the fixing assembly 302 includes an inner ring 302a arranged on the shaft body 106, and a rolling element 302b installed on the inner ring 302a. An outer ring 302c is installed on the outer side of the rolling element 302b. The outer ring 302c, the rolling element 302b and the inner ring 302a constitute a bearing. A circular hole 302d is opened on the bottom side of the outer ring 302c, and its pressure rod 303a is embedded in the bottom side of the rolling element 302b through the circular hole 302d. A cross plate 302e is installed on the outer wall of the outer ring 302c, and a tightening groove 302f is installed on the inner wall of the supporting plate 104. The cross plate 302e is embedded in the tightening groove 302f. By installing the tightening groove 302f and the cross plate 302e, the circular hole 302d can be accurately positioned to the top side of the pressure rod 303a.

[0050] Furthermore, the pressure component 303 includes a pressure rod 303a arranged on the supporting plate 104, a matching block 303b is installed on the inner top wall of the cavity 301b, a moving block 303c is installed at the bottom of the pressure rod 303a, the moving block 303c is embedded in the bottom of the matching block 303b, and the pressure rod 303a extends into the cavity 301b, and a restoring spring 303d is arranged on the cavity 301b and connected to the moving block 303c, and the restoring spring 303d applies an upward elastic force to the pressure rod 303a.

[0051] Furthermore, the injection assembly 304 includes a circular groove 304a arranged on the moving block 303c, a fixed frame 304b arranged on the circular groove 304a, a fixed spring 304c is installed on the top of the fixed frame 304b, a baffle 304d is installed on the top of the fixed spring 304c, and the fixed spring 304c pulls the baffle 304d downward so that the top side of the circular groove 304a is blocked by the baffle 304d, so that when the moving block 303c moves upward, the lubricating oil on its top side will not flow back into the cavity 301b through the circular groove 304a.

[0052] The rest of the structure is the same as that of Example 2.

[0053] Operation process: Three groups of transport pipes 301a are installed on one group of storage boxes 201. The lubricating oil in the storage box 201 enters the cavity 301b opened in the supporting plate 104 through the transport pipes 301a. When the conveyor belt 107 transports fuel, its rolling element 302b cyclically contacts and presses the pressure rod 303a on the bottom side, so that the pressure rod 303a maintains a certain movement range to move up and down. When the pressure rod 303a moves downward, the pressure rod 303a drives the moving block 303c to move. The moving block 303c moves downward from the inside of the matching block 303b, so that the lubricating oil in the cavity 301b is squeezed by the moving block 303c and passes through The circular groove 304a enters the moving gap at the top of the moving block 303c, and then when the pressure rod 303a moves upward, the pressure rod 303a moves to drive the moving block 303c to move upward, so that the lubricating oil on the top of the moving block 303c is compressed between the matching block 303b and the moving block 303c and enters the rolling element 302b through the installation channel of the pressure rod 303a, so that each movement of the pressure rod 303a will cause a small amount of lubricating oil to enter the rolling element 302b, so that the rolling element 302b can be lubricated, so that the conveying unit 100 no longer needs manual lubrication and maintenance, thereby reducing the workload of the staff.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A fuel delivery device for a thermal power plant, characterized in that: include, A conveying unit (100) comprises a support (101), a tightening frame (102) arranged on the support (101), a roller frame (103) arranged on the tightening frame (102), a supporting plate (104) arranged on the roller frame (103), an axle (106) arranged on the supporting plate (104), an auxiliary roller (105) arranged on the axle (106), and a conveying belt (107) arranged on the auxiliary roller (105); The charging unit (200) comprises a storage box (201) arranged on the support (101), a fitting assembly (202) arranged on the storage box (201), a universal assembly (203) arranged on the fitting assembly (202), a swing assembly (204) arranged on the universal assembly (203), and an air intake assembly (205) arranged on the storage box (201).

2. The thermal power plant fuel delivery device according to claim 1, characterized in that: The laminating component (202) comprises a support plate (202a) arranged on a storage box (201), a slot body (202b) arranged on the support plate (202a), a slide groove (202c) arranged on the slot body (202b), a slider (202d) arranged on the slide groove (202c), and a laminating wheel (202e) arranged on the slider (202d).

3. The fuel delivery device for a thermal power plant according to claim 2, characterized in that: The universal joint assembly (203) comprises a rotating shaft (203a) arranged on the fitting wheel (202e), a universal joint (203b) arranged on the rotating shaft (203a), a fixed plate (203c) arranged on the storage box (201), and a transmission shaft (203d) arranged on the fixed plate (203c) and connected to the universal joint (203b).

4. The thermal power plant fuel delivery device according to claim 3, characterized in that: The swing assembly (204) comprises a disc (204a) arranged on a transmission shaft (203d), a fixing rod (204b) arranged on the disc (204a), and a connecting rod (204c) arranged on the fixing rod (204b).

5. The thermal power plant fuel delivery device according to claim 4, characterized in that: The air intake assembly (205) comprises an air intake column (205a) arranged on the storage box (201), a first piston block (205b) arranged on the air intake column (205a), a through groove (205c) arranged on the first piston block (205b), a sliding rod (205d) arranged on the through groove (205c), and a second piston block (205e) arranged on the sliding rod (205d).

6. The thermal power plant fuel delivery device according to claim 5, characterized in that: Also includes, The circulation unit (300) comprises a circulation component (301) arranged on the storage box (201), a fixing component (302) arranged on the supporting plate (104), a pressure component (303) arranged on the supporting plate (104), and an injection component (304) arranged on the supporting plate (104).

7. The thermal power plant fuel delivery device according to claim 6, characterized in that: The circulation component (301) includes a transport tube (301a) disposed on the storage box (201), and a cavity (301b) disposed on the supporting plate (104).

8. The thermal power plant fuel delivery device according to claim 7, characterized in that: The fixing assembly (302) comprises an inner ring (302a) arranged on the shaft (106), a rolling element (302b) arranged on the inner ring (302a), an outer ring (302c) arranged on the rolling element (302b), a circular hole (302d) arranged on the outer ring (302c), a transverse plate (302e) arranged on the outer ring (302c), and a tightening groove (302f) arranged on the supporting plate (104).

9. The thermal power plant fuel delivery device according to claim 8, characterized in that: The pressure-bearing component (303) comprises a pressure-bearing rod (303a) arranged on the supporting plate (104), a matching block (303b) arranged on the cavity (301b), a moving block (303c) arranged on the pressure-bearing rod (303a), and a restoring spring (303d) arranged on the cavity (301b) and connected to the moving block (303c).

10. The thermal power plant fuel delivery device according to claim 9, characterized in that: The injection assembly (304) comprises a circular groove (304a) arranged on the moving block (303c), a fixing frame (304b) arranged on the circular groove (304a), a fixing spring (304c) arranged on the fixing frame (304b), and a baffle (304d) arranged on the fixing spring (304c).

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