High-rotating-speed large-torque contact type backstop
By introducing lubrication and alarm components into the contact-type check valve, the problem of untimely observation of the oil level in the oil reservoir is solved, ensuring timely replenishment of lubricating oil and improving the operational safety and service life of the equipment.
Patent Information
- Application Number
- CN202520344723.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-01
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-03-01
AI Technical Summary
The existing contact-type check valve's oil reservoir cannot detect oil level changes in a timely manner, leading to insufficient lubrication and affecting equipment operating safety and lifespan.
A high-speed, high-torque contact backstop was designed, comprising a bracket, housing, impeller, backstop assembly, lubrication assembly, and alarm assembly. The lubrication assembly monitors the lubricating oil level in real time and alarms when the oil level is low, ensuring timely replenishment of lubricating oil.
It enables real-time monitoring and alarm of the lubrication status of the check valve, avoiding equipment damage caused by insufficient lubrication and extending the service life of the check valve.
Smart Images

Figure CN223594792U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of contact type backstop, in particular to a high speed and high torque contact type backstop. BACKGROUND
[0002] The backstop is a kind of mechanical device, mainly acts when equipment runs, prevents its reverse rotation due to external force or inertia, to ensure the safe operation of equipment, improve work efficiency, backstop is divided into contact type backstop and non-contact type backstop two kinds.
[0003] In the working process of contact type backstop, there is relative motion and friction between inner ring, outer ring and wedge block etc., good lubrication can reduce friction coefficient, reduce wear and tear, improve the working efficiency and service life of contact type backstop.Currently, commonly used lubrication mode is to set oil storage cavity in backstop, backstop operation drives lubricating oil to flow, so that lubricating oil covers friction surface, to ensure the normal work of backstop.
[0004] Because, oil storage cavity is arranged in the interior of backstop, staff cannot observe oil level change of oil storage cavity in first time, so that staff cannot add lubricating oil in time, to cause backstop damage. INVENTION CONTENTS
[0005] The utility model provides a high speed and high torque contact type backstop to solve the technical problem in the above background technique.
[0006] The utility model provides a high speed and high torque contact type backstop, a high speed and high torque contact type backstop including support, shell, runner, backstop subassembly, lubricating subassembly and alarm subassembly, the shell fixed setting in the top of support, the runner rotation setting in the shell, the outer ring of runner is evenly provided with recess, the backstop subassembly is set up on the runner, and is connected with shell, the backstop subassembly is used for realizing the backstop work of equipment, the lubricating subassembly is set up in the shell, and is used to lubricate backstop, the alarm subassembly is set up on the shell, and is used to monitor lubrication condition and promptly alarm.
[0007] Optionally, the check assembly comprises mounting blocks, wedge blocks, connecting pins, telescopic rods and springs, the mounting blocks are provided in plurality, the mounting blocks are uniformly arranged on the outer ring of the runner, the wedge blocks are provided in plurality, the wedge blocks correspond to the mounting blocks one by one, one end of the wedge block is arranged in the groove of the runner, and the other end abuts against the shell, the wedge block is connected with the mounting block through the connecting pin, the telescopic rods are provided in plurality, the telescopic rods correspond to the wedge blocks one by one, one end of the telescopic rod is fixedly connected with the mounting block, and the other end is fixedly connected with the wedge block, the spring is sleeved on the telescopic rod, and two ends of the spring are fixedly connected with two ends of the telescopic rod, and the spring is used for providing initial force for the wedge block.
[0008] Optionally, the lubricating assembly comprises an oil tank, an oil pump, an oil pipe and a spray head, the oil tank is arranged in the shell and is fixedly connected with the shell, the oil pump is arranged in the shell, an oil inlet of the oil pump is communicated with the inside of the oil tank, the oil pipe is communicated with an oil outlet of the oil pump, the spray head is arranged on the oil pipe and is provided in plurality, the spray heads correspond to the wedge blocks one by one, and the number of the spray heads in each group is two, wherein one spray head is directed to the connection position of the wedge block and the shell, and the other spray head is directed to the connection position of the wedge block and the runner.
[0009] Optionally, the alarm assembly comprises an oil level sensor, a controller and a warning lamp, the oil level sensor is arranged in the oil tank and is located at the lower part of the oil tank, the controller is arranged outside the shell and is electrically connected with the oil level sensor, and the warning lamp is arranged outside the shell and is electrically connected with the controller.
[0010] Optionally, the shell is further provided with a motion sensor outside, the motion sensor is fixedly connected with the shell, the motion sensor is electrically connected with the controller, and the controller is electrically connected with the oil pump.
[0011] The beneficial effects of the utility model are as follows:
[0012] The high-rotating-speed and large-torque contact type backstop comprises a support, a shell, a rotating wheel, a backstop assembly, a lubricating assembly and an alarm assembly, the shell is fixedly arranged at the top end of the support, the rotating wheel is rotationally arranged in the shell, grooves are uniformly arranged on the outer ring of the rotating wheel, the backstop assembly is arranged on the rotating wheel and connected with the shell, the backstop assembly is used for realizing the backstop work of the equipment, the lubricating assembly is arranged in the shell and used for lubricating the backstop, the alarm assembly is arranged on the shell and used for monitoring the lubricating condition and timely alarming, the high-rotating-speed and large-torque contact type backstop can timely add lubricating oil by the arrangement of various structures, so that the backstop is not easy to be damaged due to insufficient lubrication. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0014] Figure 1 is a structural schematic view of a high-rotating-speed and large-torque contact type backstop provided by the present application;
[0015] Figure 2 is a structural schematic view of the lubricating assembly;
[0016] Figure 3 is Figure 2 is an enlarged view of A in the figure;
[0017] Figure 4 is a structural schematic view of the alarm assembly.
[0018] BRIEF DESCRIPTION OF DRAWINGS
[0019] 1, support; 2, shell; 3, rotating wheel; 4, backstop assembly; 41, mounting block; 42, wedge block; 43, connecting pin; 44, telescopic rod; 45, spring; 5, lubricating assembly; 51, oil tank; 52, oil pump; 53, oil pipe; 54, spray head; 55, motion sensor; 6, alarm assembly; 61, oil level sensor; 62, controller; 63, warning light. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate description, only part of the structure related to the present application is shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0021] Reference herein to "embodiments" means that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiments, nor is it necessary that a separate or alternative embodiment be mterpreted vis-a-vis other embodiments. It will be explicitly understood by a person of ordinary skill in the art that the embodiments described herein can be combined with other embodiments.
[0022] Please refer to Figures 1 to 4 The high-speed and high-torque contact type check valve comprises a support 1, an outer shell 2, a rotating wheel 3, a check assembly 4, a lubricating assembly 5 and an alarm assembly 6.
[0023] The outer shell 2 is fixedly arranged at the top end of the support 1, and the rotating wheel 3 is rotatably arranged in the outer shell 2, and grooves are uniformly arranged on the outer ring of the rotating wheel 3, the check assembly 4 is arranged on the rotating wheel 3 and connected with the outer shell 2, the check assembly 4 is used for realizing the check work of the equipment, the lubricating assembly 5 is arranged in the outer shell 2 and used for lubricating the check valve, and the alarm assembly 6 is arranged on the outer shell 2 and used for monitoring the lubricating condition and timely alarming.
[0024] When the equipment is running, the driving shaft drives the rotating wheel 3 to rotate forward, and the check assembly 4 is in an inoperative state under the action of centrifugal force, when the rotating wheel 3 has a reverse rotation trend under the action of external force, the check assembly 4 rapidly reacts to prevent the rotating wheel 3 from rotating reversely, thereby realizing the check function.
[0025] At the same time, the lubricating assembly 5 provides suitable working conditions for the check assembly 4, thereby ensuring the performance and service life of the check assembly 4, the alarm assembly 6 monitors the working condition of the lubricating assembly 5 in real time and timely alarms, so that the worker can timely find the problem, thereby preventing the check valve from being damaged due to substandard lubricating conditions.
[0026] In the embodiment, the backstop assembly 4 comprises mounting blocks 41, wedge blocks 42, connecting pins 43, telescopic rods 44 and springs 45. The mounting blocks 41 are provided in plurality and uniformly arranged on the outer ring of the runner 3. The wedge blocks 42 are provided in plurality and correspond to the mounting blocks 41 one by one. One end of the wedge block 42 is arranged in the groove of the runner 3, and the other end is in abutment with the shell 2. The wedge block 42 is connected with the mounting block 41 through the connecting pin 43. The telescopic rods 44 are provided in plurality and correspond to the wedge blocks 42 one by one. One end of the telescopic rod 44 is fixedly connected with the mounting block 41, and the other end is fixedly connected with the wedge block 42. The spring 45 is sleeved on the telescopic rod 44, and two ends of the spring 45 are fixedly connected with two ends of the telescopic rod 44 respectively. The spring 45 is used for providing initial force for the wedge block 42.
[0027] When the runner 3 rotates forward, the wedge block 42 is opened outward around the connecting pin 43 under the action of centrifugal force, and the wedge block 42 is out of contact or slightly in contact with the shell 2. At this time, the wedge block 42 does not hinder the rotation of the runner 3, and the backstop is in a free rotation state, and the equipment operates normally.
[0028] When the runner 3 has a reverse rotation trend, the wedge block 42 moves towards the runner 3 and the shell 2 under the action of the spring 45, and the two ends of the wedge block 42 are in tight abutment with the groove of the runner 3 and the inner side wall of the shell respectively, thereby preventing the reverse rotation of the runner 3 and achieving the backstop function of the equipment.
[0029] In the embodiment, the lubricating assembly 5 comprises an oil tank 51, an oil pump 52, an oil pipe 53 and a spray head 54. The oil tank 51 is arranged in the shell 2 and fixedly connected with the shell 2. The oil pump 52 is arranged in the shell 2. An oil inlet of the oil pump 52 is in communication with the inside of the oil tank 51. The oil pipe 53 is in communication with an oil outlet of the oil pump 52. The spray head 54 is arranged on the oil pipe 53 and provided in plurality. Each group of the spray head 54 corresponds to a wedge block 42 one by one, and the number of each group of the spray head 54 is two. One of the spray heads 54 is directed to the connection between the wedge block 42 and the shell 2, and the other of the spray heads 54 is directed to the connection between the wedge block 42 and the runner 3.
[0030] The oil pump 52 pumps lubricating oil out of the oil tank 51. The lubricating oil flows along the oil pipe 53, and then is sprayed out of the spray head 54. When the runner 3 rotates, the movement of the runner 3, the wedge block 42 and the shell 2 drives the lubricating oil to flow, so that the lubricating oil can fully cover each friction surface, thereby reducing the wear between the runner 3, the wedge block 42 and the shell, and prolonging the service life of the backstop.
[0031] In the embodiment, the alarm component 6 comprises an oil level sensor 61, a controller 62 and a warning light 63, the oil level sensor 61 is arranged in the oil tank 51 and located at the lower part of the oil tank 51, the controller 62 is arranged outside the shell 2 and electrically connected with the oil level sensor 61, and the warning light 63 is arranged outside the shell 2 and electrically connected with the controller 62.
[0032] The oil level sensor 61 monitors the oil level of the lubricating oil in the oil tank 51 in real time, when the oil level is lower than the set value, the oil level sensor 61 sends out a signal, after the controller 62 receives the signal of the oil level sensor 61, the controller 62 sends an instruction, and the warning light 63 sends an alarm signal, so that the staff can find the abnormality in time and add lubricating oil, and the check valve is not easy to be damaged due to insufficient lubrication.
[0033] In the embodiment, the shell 2 is further provided with a motion sensor 55, the motion sensor 55 is fixedly connected with the shell 2, the motion sensor 55 is electrically connected with the controller 62, and the controller 62 is electrically connected with the oil pump 52.
[0034] When the equipment starts to run, the driving shaft rotates, the motion sensor 55 captures the signal of the rotation of the driving shaft, sends the signal to the controller 62, the controller 62 analyzes the signal and sends an instruction to the oil pump 52, and the oil pump 53 runs to pump out the lubricating oil in the oil tank 51, so as to realize the lubrication of the check valve.
[0035] The high-speed and large-torque contact type check valve comprises a support 1, a shell 2, a rotating wheel 3, a check component 4, a lubricating component 5 and an alarm component 6, the shell 2 is fixedly arranged at the top end of the support 1, the rotating wheel 3 is rotatably arranged in the shell 2, grooves are uniformly arranged on the outer circle of the rotating wheel 3, the check component 4 is arranged on the rotating wheel 3 and connected with the shell 2, the check component 4 is used for realizing the check work of the equipment, the lubricating component 5 is arranged in the shell 2 and used for lubricating the check valve, and the alarm component 6 is arranged on the shell 2 and used for monitoring the lubrication and timely alarming, the high-speed and large-torque contact type check valve can make the staff add lubricating oil in time, so that the check valve is not easy to be damaged due to insufficient lubrication.
[0036] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A high-speed, high-torque contact-type backstop, characterized in that, include support; The outer casing is fixedly mounted on the top of the bracket; A rotating wheel is rotatably disposed within the housing, and grooves are evenly distributed on the outer circumference of the rotating wheel; A backstop assembly is disposed on the rotary wheel and connected to the housing, and the backstop assembly is used to realize the backstop operation of the equipment; A lubrication assembly, disposed within the housing, is used to lubricate the check valve; An alarm component is disposed on the housing and is used to monitor the lubrication status and issue an alarm in a timely manner.
2. The high-speed, high-torque contact-type backstop according to claim 1, characterized in that, The anti-reverse assembly includes mounting blocks, wedges, connecting pins, telescopic rods, and springs. Multiple mounting blocks are evenly distributed on the outer rim of the rotating wheel. Multiple wedges are also provided, each corresponding to one of the mounting blocks. One end of each wedge is positioned within a groove in the rotating wheel, and the other end abuts against the outer casing. The wedges are connected to the mounting blocks via the connecting pins. Multiple telescopic rods are also provided, each corresponding to one of the wedges. One end of each telescopic rod is fixedly connected to a mounting block, and the other end is fixedly connected to a wedge. A spring is sleeved on the telescopic rod, with both ends fixedly connected to the ends of the telescopic rod. The spring provides an initial force to the wedges.
3. A high-speed, high-torque contact-type backstop according to claim 2, characterized in that, The lubrication assembly includes an oil tank, an oil pump, an oil pipe, and nozzles. The oil tank is disposed inside the housing and is fixedly connected to the housing. The oil pump is disposed inside the housing, and the oil inlet of the oil pump is connected to the interior of the oil tank. The oil pipe is connected to the oil outlet of the oil pump. The nozzles are disposed on the oil pipes, and multiple sets of nozzles are provided. Each set of nozzles corresponds one-to-one with multiple wedges. Each set of nozzles has two nozzles, one of which faces the connection between the wedge and the housing, and the other of which faces the connection between the wedge and the rotating wheel.
4. A high-speed, high-torque contact-type backstop according to claim 3, characterized in that, The alarm assembly includes an oil level sensor, a controller, and a warning light. The oil level sensor is located inside the oil tank and at the bottom of the tank. The controller is located outside the housing and is electrically connected to the oil level sensor. The warning light is located outside the housing and is electrically connected to the controller.
5. A high-speed, high-torque contact-type backstop according to claim 4, characterized in that, A motion sensor is also provided on the outside of the housing. The motion sensor is fixedly connected to the housing and electrically connected to the controller. The controller is electrically connected to the oil pump.