Torque protection device
By introducing torque protection devices into the flange connection of the vertical shaft reducer, including fixed flange, movable flange and overtorque cantilever components, the damage problem of existing equipment during rotary clamping is solved, the stability and safety of the equipment are improved, and the service life is extended.
Patent Information
- Application Number
- CN202422463624.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing high-torque water treatment slewing equipment connected to the flange of the vertical shaft reducer lacks an effective torque protection design, resulting in damage or expansion of the equipment during rotation and obstacles. The existing protection design is unreasonable and cannot effectively protect the equipment.
A torque protection device is designed, including fixed flange, movable flange, over-torque cantilever assembly and micro switch. By setting the warning and shutdown protection value of the tension gauge, maintenance personnel are promptly reminded to deal with the fault, and trigger the shutdown protection when the torque is continuously over-torque. Combined with the lubricating grease tank to prevent rust, ensuring the stability and safety of the equipment.
It improves the stability and safety of the equipment, extends the service life of the equipment, avoids functional failure caused by rust and jams, and ensures work quality.
Smart Images
Figure CN223164973U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of torque protection equipment, and particularly relates to a torque protection device. Background Technique
[0002] Torque is a special moment that causes an object to rotate. The torque of an engine refers to the moment output from the crankshaft end of the engine. Under the condition of fixed power, it is inversely proportional to the engine speed. The faster the speed, the smaller the torque, and vice versa. It reflects the load capacity of the vehicle within a certain range. The external torque is called torque or external couple moment, and the internal one is called internal couple moment or torque.
[0003] At present, for similar large-torque water treatment rotary equipment with a vertical axis (reducer flange connection) on the market, there is no torque protection design or the torque protection design is unreasonable. When the rotary equipment body rotates and jams, there is no drive reducer protection design, or the protection design is unreasonable and fails to play a protective role, resulting in over-torque damage to the reducer or expanding the fault loss of the rotary part of the equipment. Content of the Utility Model
[0004] To solve the problems raised in the above background technique. The utility model provides a torque protection device, which has the characteristics of safety, reliability and low use cost.
[0005] To achieve the above object, the utility model provides the following technical solution: A torque protection device, including a machine base bottom plate, a fixed flange is arranged at the upper end of the machine base bottom plate, positioning pressing blocks are arranged on both sides of the upper end of the fixed flange, a movable flange is arranged between the fixed flange and the positioning pressing blocks, a drive reducer body is arranged at the upper end of the movable flange, and an over-torque cantilever assembly is arranged on one side of the bottom end of the drive reducer body.
[0006] Preferably, the fixed flange includes a first flange fixing through hole, a lubricating grease storage groove and a fixed flange body. Among them, the fixed flange body is arranged at the upper end of the machine base bottom plate, the lubricating grease storage groove is arranged in the middle of the fixed flange body, and a plurality of first flange fixing through holes are arranged through the fixed flange body.
[0007] Preferably, the movable flange includes a second flange fixing through hole, a positioning boss and a movable flange body. Among them, the movable flange body is arranged at the upper end of the fixed flange body, the positioning boss is arranged on the bottom surface of the movable flange body, and a plurality of second flange fixing through holes are arranged through the movable flange body.
[0008] Preferably, a positioning groove corresponding to the movable flange body is arranged inside the positioning pressing block, and the positioning pressing block is installed on the upper end of the fixed flange body through fastening bolts.
[0009] Preferably, the over-torque cantilever assembly includes an over-torque trigger cantilever, a mounting hole, a micro switch, a return spring, and a tensiometer. Among them, the over-torque trigger cantilever is arranged at the upper end of the movable flange. A mounting hole is arranged in the middle of the over-torque trigger cantilever. One end of the over-torque trigger cantilever is provided with a return spring. One end of the return spring is provided with a tensiometer. A micro switch is arranged on one side of the over-torque trigger cantilever away from the return spring.
[0010] Preferably, three groups of mounting holes are arranged inside the over-torque trigger cantilever, and a connecting shaft is arranged at one end of the over-torque trigger cantilever corresponding to the return spring.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. By setting the warning trigger value of the tensiometer, the shutdown protection value of the tensiometer, and the double protection trigger value of the travel switch, the present utility model can issue a fault warning when the output torque during the operation of the equipment reaches the set value, timely reminding the operation and maintenance personnel to arrive at the scene to handle and eliminate the fault. The continuously increasing torque output will successively trigger the shutdown protection. The travel switch protection serves as a backup protection in case the tensiometer protection fails, improving the stability and safety of equipment use, ensuring the service life of the equipment, and improving the work quality.
[0013] 2. By setting a return spring, when there is continuous over-torque, the cantilever rotates to trigger the shutdown protection at the back, and it can ensure the continuous relative movement and lubrication between the movable flange and the fixed flange during the operation of the equipment, avoiding the failure of the torque protection function due to the rust and adhesion of the movable flange and the fixed flange. The lubricating grease storage groove is provided to enable the continuous lubrication of the relative movement between the movable flange and the fixed flange, avoiding rust, adhesion, and jamming. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of the present utility model;
[0015] Figure 2 is a top view and sectional view of the fixed flange structure of the present utility model;
[0016] Figure 3 is a top view and sectional view of the movable flange structure of the present utility model;
[0017] Figure 4 is a schematic structural diagram of the over-torque cantilever assembly of the present utility model;
[0018] Figure 5 is a top view and sectional view of the positioning block structure of the present utility model;
[0019] Figure 6 is a schematic diagram of the torque protection control principle of the present utility model.
[0020] In the figure: 1. Driving speed reducer body; 2. Over-torque cantilever assembly; 21. Over-torque trigger cantilever; 22. Mounting hole; 23. Microswitch; 24. Return spring; 25. Tensile meter; 3. Machine base plate; 4. Movable flange; 41. Second flange fixing through hole; 42. Positioning boss; 43. Movable flange body; 5. Fixed flange; 51. First flange fixing through hole; 52. Lubricating grease storage groove; 53. Fixed flange body; 6. Positioning press block. Detailed implementation mode
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] Please refer to Figure 1-6 , the present invention provides the following technical solutions: A torque protection device includes a machine base plate 3, a fixed flange 5 is arranged at the upper end of the machine base plate 3, positioning press blocks 6 are arranged on both sides of the upper end of the fixed flange 5, a movable flange 4 is arranged between the fixed flange 5 and the positioning press blocks 6, a driving speed reducer body 1 is arranged at the upper end of the movable flange 4, and an over-torque cantilever assembly 2 is arranged on one side of the bottom end of the driving speed reducer body 1.
[0023] Specifically, the fixed flange 5 includes a first flange fixing through hole 51, a lubricating grease storage groove 52 and a fixed flange body 53. Among them, a fixed flange body 53 is arranged at the upper end of the machine base plate 3, a lubricating grease storage groove 52 is arranged in the middle of the fixed flange body 53, and a plurality of first flange fixing through holes 51 penetrate through the fixed flange body 53.
[0024] By adopting the above technical solutions, the stability and firmness of the installation of the fixed flange body 53 are improved, and the use quality of the equipment is guaranteed.
[0025] Specifically, the movable flange 4 includes a second flange fixing through hole 41, a positioning boss 42 and a movable flange body 43. Among them, a movable flange body 43 is arranged at the upper end of the fixed flange body 53, a positioning boss 42 is arranged on the bottom surface of the movable flange body 43, and a plurality of second flange fixing through holes 41 penetrate through the movable flange body 43.
[0026] By adopting the above technical solutions, the positioning boss 42 at the bottom end of the movable flange body 43 is inserted into the lubricating grease storage groove 52, so that the relative movement between the movable flange body 43 and the fixed flange body 53 is continuously lubricated, preventing rust, adhesion and jamming.
[0027] Specifically, a positioning groove is provided inside the positioning block 6 corresponding to the movable flange body 43, and the positioning block 6 is installed at the upper end of the fixed flange body 53 through fastening bolts.
[0028] By adopting the above technical solution, the stability of the movable flange body 43 during use is ensured, the service strength of the equipment is improved, and the working quality is guaranteed.
[0029] Specifically, the over-torque cantilever assembly 2 includes an over-torque trigger cantilever 21, a mounting hole 22, a microswitch 23, a return spring 24, and a tensiometer 25. Among them, the over-torque trigger cantilever 21 is provided at the upper end of the movable flange 4. A mounting hole 22 is provided in the middle of the over-torque trigger cantilever 21. A return spring 24 is provided at one end of the over-torque trigger cantilever 21. A tensiometer 25 is provided at one end of the return spring 24. A microswitch 23 is provided on the side of the over-torque trigger cantilever 21 away from the return spring 24 at one end.
[0030] By adopting the above technical solution, when the output torque during the operation of the equipment reaches 1.1 times the normal operating torque, a fault warning is issued to promptly remind the operation and maintenance personnel to arrive at the scene to handle and eliminate the fault. The continuously increasing torque output will successively trigger the shutdown protection. The microswitch 23 serves as a backup protection for the failure of the tensiometer 25. The function of the return spring 24 is, on the one hand, to make the over-torque trigger cantilever 21 rotate to trigger the subsequent shutdown protection during continuous over-torque, and on the other hand, to ensure continuous relative movement and lubrication between the movable flange and the fixed flange during the operation of the equipment, avoiding rust and adhesion between the movable flange body 43 and the fixed flange body 53 and causing the torque protection function to fail.
[0031] Specifically, three groups of mounting holes 22 are provided inside the over-torque trigger cantilever 21, and a connecting shaft is provided at one end of the over-torque trigger cantilever 21 corresponding to the return spring 24.
[0032] By adopting the above technical solution, the stability of the installation of the over-torque trigger cantilever 21 is improved, and the use effect of the return spring 24 is guaranteed.
[0033] Working principle and usage process of the utility model: When the utility model is in use, first pass the fixing bolt through the flange fixing through hole 1 of 51 and install the fixing flange body 53 on the upper end of the machine base bottom plate 3. Then, apply grease fully inside the lubricating grease storage tank 52. Next, pass the installation bolt through the flange fixing through hole 2 of 41 inside the movable flange body 43 and install the movable flange body 43 on the surface of the fixing flange body 53. At the same time, the positioning boss 42 is inserted into the inside of the lubricating grease storage tank 52. Finally, install the driving reducer body 1 by passing a bolt through the flange through hole of the driving reducer body 1 and screwing it into the inside of the flange fixing through hole 2 of 41. Then, fix the positioning pressure block 6 on the surface of the fixing flange body 53, and install an over-torque trigger cantilever 21 on one side of the driving reducer body 1, and install a return spring 24 and a tensiometer 25 at one end of the over-torque trigger cantilever 21, and install a microswitch 23 on the other side;
[0034] At this time, the trial operation can be carried out and the torque protection settings can be made. The warning trigger value of the tensiometer 25 is set to 1.1 times the normal operating torque, the shutdown protection value of the tensiometer 25 is set to 1.2 times the normal operating torque, and the double protection trigger value of the microswitch 23 is set to 1.3 times the normal operating torque. When the output torque during the operation of the equipment reaches 1.1 times the normal operating torque, a fault warning will be issued to timely remind the operation and maintenance personnel to arrive at the scene to handle and eliminate the fault. The continuously increasing torque output will successively trigger the shutdown protection. The microswitch 23 serves as a backup protection in case the protection of the tensiometer 25 fails.
[0035] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A torque protection device, comprising a machine base bottom plate (3), characterized in that: A fixed flange (5) is provided at the upper end of the base plate (3), positioning blocks (6) are provided on both sides of the upper end of the fixed flange (5), a movable flange (4) is provided between the fixed flange (5) and the positioning blocks (6), a driving reducer body (1) is provided at the upper end of the movable flange (4), and an over-torque cantilever assembly (2) is provided on one side of the bottom end of the driving reducer body (1); The over-torque cantilever assembly (2) comprises an over-torque trigger cantilever (21), a mounting hole (22), a micro switch (23), a reset spring (24) and a dynamometer (25), wherein the upper end of the movable flange (4) is provided with an over-torque trigger cantilever (21), the middle of the over-torque trigger cantilever (21) is provided with a mounting hole (22), one end of the over-torque trigger cantilever (21) is provided with a reset spring (24), one end of the reset spring (24) is provided with a dynamometer (25), and the side of one end of the over-torque trigger cantilever (21) away from the reset spring (24) is provided with a micro switch (23).
2. A torque protection device according to claim 1, characterized in that: The fixed flange (5) includes a flange fixing through hole (51), a lubricating grease storage groove (52) and a fixed flange body (53), wherein the upper end of the machine base bottom plate (3) is provided with a fixed flange body (53), the middle of the fixed flange body (53) is provided with a lubricating grease storage groove (52), and the interior of the fixed flange body (53) is provided with a plurality of flange fixing through holes (51) running through it.
3. A torque protection device according to claim 2, characterized in that: The movable flange (4) includes a second flange fixing through hole (41), a positioning boss (42) and a movable flange body (43), wherein the upper end of the fixed flange body (53) is provided with a movable flange body (43), the bottom end surface of the movable flange body (43) is provided with a positioning boss (42), and a plurality of second flange fixing through holes (41) are provided through the interior of the movable flange body (43).
4. A torque protection device according to claim 3, characterized in that: A positioning groove is provided inside the positioning pressing block (6) corresponding to the movable flange body (43), and the positioning pressing block (6) is mounted on the upper end of the fixed flange body (53) by means of fastening bolts.
5. A torque protection device according to claim 1, characterized in that: Three groups of mounting holes (22) are provided inside the over-torque trigger cantilever (21), and a connecting shaft is provided at one end of the over-torque trigger cantilever (21) corresponding to the reset spring (24).