Temperature adjusting device for lubricating and cooling system of coal mill
By using an electric push rod to drive the transmission rod to adjust the lubricating oil flow of the coal mill, combined with cooling and heating plates, the problem of difficult adjustment of lubricating oil flow in different states of the coal mill is solved, achieving efficient energy utilization and equipment maintenance.
Patent Information
- Application Number
- CN202520708341.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing coal mills have difficulty in accurately adjusting the lubricating oil flow under different operating conditions, leading to energy waste or equipment wear and tear, and affecting the service life of the equipment.
An electric push rod drives the transmission rod, which in turn drives a fan-shaped adjusting plate to adjust the size of the oil inlet opening via a U-shaped rod and a sliding column. Combined with a cooling plate and a heating plate, the lubricating oil temperature is adjusted, thus achieving precise control of the lubricating oil flow.
It enables precise adjustment of lubricating oil flow, reduces energy consumption, improves energy utilization efficiency, extends equipment service life, simplifies the disassembly and assembly process of cooling plates and heating plates, and reduces maintenance costs.
Smart Images

Figure CN223563968U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mill technical field especially relates to a coal mill lubrication cooling system temperature adjusting device. BACKGROUND
[0002] Coal mill is a kind of equipment for crushing and grinding coal into coal powder, and is commonly used in the industrial field requiring coal powder, such as thermal power plant. It processes raw coal into coal powder suitable for combustion through mechanical force, such as crushing, breaking and grinding.
[0003] The main function of coal mill is to provide qualified coal powder for boiler. In thermal power plant, coal powder is sprayed into boiler to burn, generating high-temperature and high-pressure steam to drive steam turbine to generate electricity. The performance of coal mill directly affects the quality of coal powder and the combustion efficiency of boiler, so it plays an important role in power production.
[0004] In the prior art, different working conditions of part of coal mill have different requirements for lubricating oil flow during operation. If the lubricating oil flow is too large, it will not only cause unnecessary energy waste and increase operating cost, but also easily lead to excessive system pressure and cause additional burden to the equipment. If the lubricating oil flow is too small, it cannot meet the lubrication and cooling requirements of the equipment, which will accelerate the wear of the equipment and shorten the service life of the equipment. Therefore, a coal mill lubrication cooling system temperature adjusting device is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a coal mill lubrication cooling system temperature adjusting device, which aims to improve the problem that different working conditions of part of coal mill have different requirements for lubricating oil flow in the prior art, and it is difficult to adjust the flow of lubricating oil, which easily affects the service life of the equipment.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A coal mill lubrication cooling system temperature adjusting device, comprising an oil conveying support plate, the top of the oil conveying support plate is fixedly connected with an oil conveying pipeline, the input end of the oil conveying pipeline is fixedly connected with an oil inlet, the front and rear sides of the oil conveying support plate are fixedly connected with support side plates, the top end of the front support side plate is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a transmission rod, the left side of the transmission rod is fixedly connected with a U-shaped rod, the left side of the U-shaped rod is fixedly connected with a sliding column, the inner walls of the upper and lower sides of the oil inlet are rotatably connected with a rotating rod, the outer part of the rotating rod is fixedly connected with two fan-shaped adjusting plates, the front side of the rotating rod is fixedly connected with a convex plate, the top of the oil conveying support plate is detachably connected with a cooling plate and a heating plate, the bottom ends of the cooling plate and the heating plate are provided with dismounting assemblies;
[0008] As a further description of the above technical solutions:
[0009] The disassembly and assembly component comprises a plurality of mounting blocks, the bottom ends of two mounting blocks are fixedly connected to the top ends of the support side plates, the front ends of the mounting blocks are fixedly connected with square blocks, the inner walls of the square blocks are slidably connected with clamping rods, the outer parts of the clamping rods are sleeved with return springs, and the front ends of the two clamping rods are fixedly connected with pulling plates.
[0010] As a further description of the above technical solutions:
[0011] The bottom end of the oil inlet is fixedly connected to the top end of the front support side plate, and the outer wall of the U-shaped rod is slidably connected to the inner wall of the oil inlet.
[0012] As a further description of the above technical solutions:
[0013] The top end of the front support side plate is fixedly connected with a supporting seat, and the outer wall of the transmission rod is slidably connected to the inner wall of the supporting seat.
[0014] As a further description of the above technical solutions:
[0015] The right end of the oil inlet is fixedly connected with a sealing ring, and the outer wall of the transmission rod is slidably connected to the inner wall of the sealing ring.
[0016] As a further description of the above technical solutions:
[0017] The inner part of the convex plate is provided with a sliding groove, and the outer wall of the sliding column is slidably connected to the inner wall of the sliding groove.
[0018] As a further description of the above technical solutions:
[0019] The bottom ends of the cooling plate and the heating plate are fixedly connected with two positioning columns, the outer wall of the positioning column is slidably connected to the inner wall of the mounting block, the inner part of the positioning column is provided with a clamping groove, the outer wall of the clamping rod is clamped with the inner wall of the clamping groove, the outer wall of the clamping rod is slidably connected to the inner wall of the square block, and the outer wall of the clamping rod is slidably connected to the inner wall of the mounting block.
[0020] As a further description of the above technical solutions:
[0021] The outer part of the clamping rod is fixedly connected with a movable plate, the outer wall of the movable plate is slidably connected to the inner wall of the square block, one side of the return spring close to the pulling plate is fixedly connected to the inner wall of the square block, and the other side of the return spring away from the pulling plate is fixedly connected to the outer wall of the movable plate.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1. The utility model discloses, electric push rod is as power source, its accurate telescopic capacity can accurately push transmission rod, transmission rod is fixedly connected with U shaped rod, guarantees the effective transmission of power, makes U shaped rod can move along with transmission rod, U shaped rod drives sliding column to slide in the slide groove of convex board, and then pushes or pulls convex board, and convex board drives rotary rod to rotate, and the sector adjusting plate on rotary rod changes position along with the rotation of rotary rod, thereby adjusting the opening size of oil inlet, can according to actual demand flexible adjustment lubricating oil's flow, effectively reduce energy consumption, improve energy utilization efficiency, especially when the cooling demand is lower, through reducing the flow speed of cooling medium, can significantly reduce energy consumption, and when the cooling demand is higher, increase the flow speed and can ensure enough cooling effect, prevent equipment overheating.
[0024] 2. The utility model discloses, when dismounting cooling plate or heating plate, only need to pull the pull board, make the clamping rod slide in the inner wall of square block and compress reset spring, when the clamping rod and the clamping groove in the inside of positioning column separate, can easily remove cooling plate or heating plate, same when installing new cooling plate or heating plate, only need to slide the positioning column and connect in the inner wall of mounting block, and loosen the pull board, and the elastic force of reset spring will push the clamping rod and insert into the clamping groove, complete fixed, make cooling plate or heating plate can be quickly disassembled, greatly reduce maintenance cost and time cost. ACCURACY
[0025] Figure 1 It is a perspective view of the coal mill lubrication cooling system temperature regulating device that the utility model proposes;
[0026] Figure 2 It is the structure schematic diagram of the oil pipeline of the coal mill lubrication cooling system temperature regulating device that the utility model proposes;
[0027] Figure 3 It is Figure 2 It is the close -up of B in the middle;
[0028] Figure 4 It is Figure 2 It is the close -up of B in the middle.
[0029] Legend:
[0030] 1, oil delivery support plate;2, oil pipeline;3, oil inlet;4, electric push rod;5, transmission rod;6, U shaped rod;7, sliding column;8, rotary rod;9, sector adjusting plate;10, convex board;11, support seat;12, sealing ring;13, cooling plate;14, heating plate;15, positioning column;16, mounting block;17, square block;18, clamping rod;19, reset spring;20, movable plate;21, pull board. DETAILED DESCRIPTION
[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.
[0032] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a coal mill lubrication cooling system temperature regulating device, comprising an oil conveying support plate 1, the top of the oil conveying support plate 1 is fixedly connected with an oil conveying pipeline 2, the oil conveying support plate 1 is the cornerstone of the whole device, stably supporting the oil conveying pipeline 2 above, the input end of the oil conveying pipeline 2 is fixedly connected with an oil inlet 3, the oil conveying pipeline 2 is responsible for conveying lubricating oil from the oil inlet 3 to the lubricating part of the coal mill, the oil inlet 3 is the key channel for the lubricating oil to enter the oil conveying pipeline 2, the front and rear sides of the oil conveying support plate 1 are fixedly connected with support side plates, the bottom end of the oil inlet 3 is fixedly connected to the top end of the front support side plate, the support side plates provide stable support for the whole device, the top end of the front support side plate is fixedly connected with an electric push rod 4, the output end of the electric push rod 4 is fixedly connected with a transmission rod 5, the electric push rod 4 is the core component for adjusting the flow of lubricating oil, by receiving a control signal, the front and rear movements of the transmission rod 5 are accurately controlled, the top end of the front support side plate is fixedly connected with a support seat 11, the outer wall of the transmission rod 5 is slidingly connected to the inner wall of the support seat 11, the support seat 11 provides stable support and guidance for the transmission rod 5, tightly matched with the outer wall of the transmission rod 5, ensuring the stability and accuracy of transmission, the right end of the oil inlet 3 is fixedly connected with a sealing ring 12, the outer wall of the transmission rod 5 is slidingly connected to the inner wall of the sealing ring 12, the sealing ring 12 is in close contact with the outer wall of the transmission rod 5, effectively preventing the leakage of lubricating oil;
[0033] The left side of the transmission rod 5 is fixedly connected with a U-shaped rod 6, the outer wall of the U-shaped rod 6 is slidably connected with the inner wall of the oil inlet 3, the transmission rod 5 transmits the power of the electric push rod 4 to the U-shaped rod 6, the left side of the U-shaped rod 6 is fixedly connected with a sliding column 7, the U-shaped rod 6 converts the linear motion of the transmission rod 5 into the sliding motion of the sliding column 7, the upper and lower inner walls of the oil inlet 3 are rotatably connected with a rotating rod 8, the outer part of the rotating rod 8 is fixedly connected with two fan-shaped adjusting plates 9, the front side of the rotating rod 8 is fixedly connected with a convex plate 10, the inner part of the convex plate 10 is provided with a sliding groove, the outer wall of the sliding column 7 is slidably connected with the inner wall of the sliding groove, the sliding column 7 slides in the sliding groove provided in the inner part of the convex plate 10, and the sliding of the sliding column 7 pushes the rotation of the convex plate 10 and the rotating rod 8, with the rotation of the rotating rod 8, the position of the fan-shaped adjusting plate 9 changes, so that the opening size of the oil inlet 3 is adjusted, the top of the oil conveying support plate 1 is detachably connected with a cooling plate 13 and a heating plate 14, the cooling plate 13 and the heating plate 14 are respectively used for reducing and raising the temperature of the lubricating oil, and the bottom ends of the cooling plate 13 and the heating plate 14 are provided with dismounting assemblies.
[0034] Referring to Figure 1 , Figure 2 and Figure 4The dismounting and assembling assembly comprises a plurality of mounting blocks 16, the bottom ends of two mounting blocks 16 are fixedly connected to the top ends of the support side plates, the bottom ends of the cooling plate 13 and the heating plate 14 are fixedly connected with two positioning columns 15, the outer walls of the positioning columns 15 are slidably connected to the inner walls of the mounting blocks 16, the positioning columns 15 provide accurate positioning points for the dismounting and assembling assembly, the inner parts of the mounting blocks 16 are designed with sliding grooves matched with the positioning columns 15, so that the stability and accuracy of the cooling plate 13 and the heating plate 14 during the mounting process are ensured, the front end of the mounting block 16 is fixedly connected with a square block 17, the inner wall of the square block 17 is slidably connected with a clamping rod 18, the inner part of the positioning column 15 is provided with a clamping groove, the outer wall of the clamping rod 18 is clamped with the inner wall of the clamping groove, the clamping rod 18 is fixed by being clamped into the clamping groove in the inner part of the positioning column 15, the outer wall of the clamping rod 18 is slidably connected to the inner wall of the square block 17, the square block 17 provides a sliding track for the clamping rod 18, the outer wall of the clamping rod 18 is slidably connected to the inner wall of the mounting block 16, the outer part of the clamping rod 18 is sleeved with a reset spring 19, the front ends of the two clamping rods 18 are fixedly connected with a pulling plate 21, the outer part of the clamping rod 18 is fixedly connected with a movable plate 20, the outer wall of the movable plate 20 is slidably connected to the inner wall of the square block 17, the side of the reset spring 19 close to the pulling plate 21 is fixedly connected to the inner wall of the square block 17, the side of the reset spring 19 far away from the pulling plate 21 is fixedly connected to the outer wall of the movable plate 20, the movable plate 20 is used for transmitting power of the clamping rod 18 to the reset spring 19, so that the reset spring 19 provides reset power for the clamping rod 18, when the pulling plate 21 is pulled, the reset spring 19 is compressed, when the pulling plate 21 is released, the elastic force of the reset spring 19 pushes the clamping rod 18 to be clamped into the clamping groove, so that the cooling plate 13 and the heating plate 14 are quickly and accurately fixed, the pulling plate 21 is an operating part for dismounting and assembling the cooling plate 13 and the heating plate 14, by pulling the pulling plate 21, the clamping rod 18 can be driven to slide in the inner wall of the square block 17, so that the cooling plate 13 and the heating plate 14 are quickly dismounted and assembled.
[0035] Working principle: when the lubricating cooling system needs to adjust the flow of lubricating oil, the electric push rod 4 is started, the output end of the electric push rod 4 drives the transmission rod 5 to move forward and backward, the U-shaped rod 6 fixedly connected to the left side of the transmission rod 5 moves, and then drives the sliding column 7 to slide in the sliding groove in the inner part of the convex plate 10, the convex plate 10 is fixedly connected with the rotating rod 8, so that the sliding of the sliding column 7 drives or pulls the convex plate 10, and then drives the rotating rod 8 to rotate on the upper and lower inner walls of the oil inlet 3, since the outer part of the rotating rod 8 is fixedly connected with two fan-shaped adjusting plates 9, the rotation of the rotating rod 8 changes the positions of the fan-shaped adjusting plates 9, so that the opening size of the oil inlet 3 is adjusted, and the accurate control of the flow of lubricating oil is realized, when the cooling demand is low, the flow speed of the cooling medium can be reduced, so that the energy consumption is reduced and the energy utilization efficiency is improved, on the contrary, when the cooling demand is high, the flow speed is increased, so that sufficient cooling effect is ensured and the equipment is prevented from overheating.
[0036] When disassembling, first pull the pull plate 21, make the clamping rod 18 slide in the inner wall of the square block 17, and compress the reset spring 19, when the outer wall of the clamping rod 18 is separated from the inner wall of the clamping groove of the positioning column 15, the cooling plate 13 or the heating plate 14 can be easily disassembled from the top of the oil conveying support plate 1, similarly, when installing a new cooling plate 13 or heating plate 14, only need to slide the outer wall of the positioning column 15 to connect with the inner wall of the mounting block 16, and loosen the pull plate 21, the elastic force of the reset spring 19 will push the clamping rod 18 to clamp into the clamping groove, thereby completing the fixation, this disassembly and assembly method is not only simple and fast, but also greatly improves the maintenance efficiency and convenience of the equipment.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A temperature regulating device for a coal mill lubrication cooling system comprising an oil delivery support plate (1) characterised in that: The top of the oil conveying support plate (1) is fixedly connected with an oil conveying pipeline (2), the input end of the oil conveying pipeline (2) is fixedly connected with an oil inlet (3), the front and rear sides of the oil conveying support plate (1) are fixedly connected with support side plates, the top of the front support side plate is fixedly connected with an electric push rod (4), the output end of the electric push rod (4) is fixedly connected with a transmission rod (5), the left side of the transmission rod (5) is fixedly connected with a U-shaped rod (6), the left side of the U-shaped rod (6) is fixedly connected with a sliding column (7), the upper and lower inner walls of the oil inlet (3) are rotatably connected with a rotating rod (8), the outer part of the rotating rod (8) is fixedly connected with two fan-shaped adjusting plates (9), the front side of the rotating rod (8) is fixedly connected with a convex plate (10), the top of the oil conveying support plate (1) is detachably connected with a cooling plate (13) and a heating plate (14), and the bottom ends of the cooling plate (13) and the heating plate (14) are provided with detachable assemblies.
2. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 1, wherein: The detachable assembly comprises a plurality of mounting blocks (16), the bottom ends of the two mounting blocks (16) are fixedly connected to the top of the support side plate, the front end of the mounting block (16) is fixedly connected with a square block (17), the inner wall of the square block (17) is slidably connected with a clamping rod (18), the outer part of the clamping rod (18) is sleeved with a reset spring (19), and the front ends of the two clamping rods (18) are fixedly connected with a pulling plate (21).
3. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 1, wherein: The bottom end of the oil inlet (3) is fixedly connected to the top of the front support side plate, and the outer wall of the U-shaped rod (6) is slidably connected to the inner wall of the oil inlet (3).
4. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 1, wherein: The top of the front support side plate is fixedly connected with a support seat (11), and the outer wall of the transmission rod (5) is slidably connected to the inner wall of the support seat (11).
5. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 1, wherein: The right end of the oil inlet (3) is fixedly connected with a sealing ring (12), and the outer wall of the transmission rod (5) is slidably connected to the inner wall of the sealing ring (12).
6. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 1, wherein: The inner part of the convex plate (10) is provided with a sliding groove, and the outer wall of the sliding column (7) is slidably connected to the inner wall of the sliding groove.
7. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 2, wherein: The bottom ends of the cooling plate (13) and the heating plate (14) are fixedly connected with two positioning columns (15), the outer wall of the positioning column (15) is slidably connected to the inner wall of the mounting block (16), the inner part of the positioning column (15) is provided with a clamping groove, the outer wall of the clamping rod (18) is clamped with the inner wall of the clamping groove, the outer wall of the clamping rod (18) is slidably connected to the inner wall of the square block (17), and the outer wall of the clamping rod (18) is slidably connected to the inner wall of the mounting block (16).
8. A temperature regulating device for a coal mill lubrication cooling system as claimed in claim 2, wherein: The outer part of the clamping rod (18) is fixedly connected with a movable plate (20), the outer wall of the movable plate (20) is slidably connected to the inner wall of the square block (17), one side of the reset spring (19) close to the pulling plate (21) is fixedly connected to the inner wall of the square block (17), and the other side of the reset spring (19) away from the pulling plate (21) is fixedly connected to the outer wall of the movable plate (20).