Self-locking type double-wheel retaining device

Abstract

The utility model discloses a self-locking type double-wheel retaining device, which relates to the technical field of retaining devices and comprises an operating rod, a fixing plate fixedly connected to the bottom of the operating rod, connecting columns fixedly connected to two sides of the bottom surface of the fixing plate, mounting plates rotatably connected to the bottom ends of the connecting columns, mounting racks fixedly connected to the bottom surface of the mounting plates, and a bearing mounted between the mounting racks. The periphery of the bearing is sleeved with a roller; two inserting rods are slidably arranged on each of the two sides of the fixing plate, four inserting grooves are annularly formed in the top face of the mounting plate, the two inserting rods located on one side are connected with any two corresponding inserting grooves in an inserted mode, and an oil storage cavity is formed in the mounting plate. According to the utility model, through cooperation of components, a user can freely adjust the direction of the roller according to actual use requirements, the roller is adapted to different scenes, after the direction is adjusted, the insertion rod and the components are matched to lock the direction of the roller, the roller is ensured not to steer when the device is static, the operation is simple, the safety is high, and the deployment efficiency of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a retainer technical field, especially in a self -locking type double -wheel retainer. BACKGROUND

[0002] Double-wheel retainer is a kind of mechanical device or tool for limiting or preventing the unexpected movement (such as sliding, reverse or rolling) of two wheels (usually paired wheels, pulleys or rollers). Its core function is to keep the double-wheel system in a stationary state by physical blocking, locking or increasing friction resistance, to prevent accidental movement caused by external forces (such as gravity, wind, thrust, etc.), to ensure the safety of equipment and personnel or maintain system stability.

[0003] The existing double-wheel retainer, the direction of the roller is fixed, not convenient to adjust, poor adaptability, reduces the deployment efficiency of the device, and the bearing on the roller needs to be disassembled for lubrication, increasing the maintenance difficulty.

[0004] Therefore, it is necessary to provide a self-locking double-wheel retainer to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a self-locking double-wheel retainer to solve the problem that the direction of the roller is fixed, not convenient to adjust, poor adaptability, reduces the deployment efficiency of the device, and the bearing on the roller needs to be disassembled for lubrication, increasing the maintenance difficulty.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a self-locking double-wheel retainer, comprising an operating rod, the operating rod bottom is fixedly connected with a fixed plate, the fixed plate bottom surface both sides are fixedly connected with connecting columns, the connecting column bottom end is rotatably connected with a mounting plate, the mounting plate bottom surface is fixedly connected with a mounting bracket, the mounting bracket is installed with a bearing, the bearing outer periphery is provided with a roller;

[0007] Both sides of the fixed plate are slidably provided with two insertion rods, the mounting plate top surface is annularly provided with four insertion slots, the two insertion rods on one side are inserted with any two corresponding insertion slots, the mounting plate is internally provided with an oil storage cavity, the oil storage cavity bottom surface both sides are provided with through holes, the mounting bracket inner wall both sides are provided with oil grooves, and the oil grooves are communicated with the through holes.

[0008] Preferably, the oil storage cavity side wall is annularly provided with four elastic sheets, the elastic sheets are normally located in the insertion slots, the elastic sheets have elasticity, and the oil storage cavity bottom surface is fixedly connected with a cotton strip.

[0009] Preferably, the insertion rod is in contact with the corresponding elastic sheet, and the oil groove is located directly above the bearing.

[0010] Preferably, the top surface of the fixed plate is provided with a handle, the bottom surface of the handle is fixedly connected with the top end of the inserting rod, two cylindrical grooves are arranged in the inside of the fixed plate on both sides, a circular ring piece is slidably connected in the inside of the cylindrical groove, the circular ring piece is fixedly sleeved on the outer periphery of the corresponding inserting rod, a spring is arranged in the inside of the cylindrical groove, and the two ends of the spring are fixedly connected with the top surface of the corresponding cylindrical groove and the top surface of the circular ring piece respectively, and the spring is movably sleeved on the outer periphery of the inserting rod.

[0011] Preferably, the brake structure is arranged between the inner walls of the mounting frame and is in movable contact with the outer periphery of the roller.

[0012] Preferably, the bottom of the operating rod is fixedly connected with a reinforcing rod, the reinforcing rod is located above the fixed plate, the outer periphery of the operating rod and the reinforcing rod is fixedly sleeved with a reflective strip, one end of the top of the operating rod is fixedly connected with an anti-skid handle sleeve, and one end of the bottom of the operating rod is fixedly connected with a retreat stopper.

[0013] The technical effects and advantages of the present application are as follows:

[0014] 1. In the present application, the user can freely adjust the direction of the roller according to the actual use requirements through the cooperation of the components, which is suitable for different scenes. After the direction is adjusted, the cooperation of the inserting rod and the components can lock the direction of the roller, ensuring that the roller will not turn when the device is stationary. The operation is simple and safe, greatly improving the deployment efficiency of the equipment.

[0015] 2. In the present application, when adjusting the direction of the roller, the cooperation of the inserting rod, the elastic piece and the components also simultaneously delivers lubricating oil to the outer periphery of the bearing, achieving automatic lubrication, reducing manual intervention, and completing the lubrication of the bearing without disassembling the device, thereby reducing the maintenance difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present application.

[0017] Figure 2 It is a partial structure sectional view of the present application.

[0018] Figure 3 It is a partial structure sectional view of the present application.

[0019] Figure 4 It is a partial structure sectional view of the present application.

[0020] In the figure: 1, operating rod; 11, fixed plate; 12, reinforcing rod; 13, reflective strip; 14, anti-skid handle sleeve;

[0021] 2, mounting plate; 21, mounting frame; 22, bearing; 23, roller; 24, connecting column; 25, brake structure; 26, inserting slot;

[0022] 3, the insertion rod; 31, the handle; 32, the cylindrical groove; 33, the ring piece; 34, the spring;

[0023] 4, the oil storage cavity; 41, the elastic piece; 42, the cotton bar; 43, the oil groove;

[0024] 5, the retreat stop block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, obviously, the described embodiments are a part of embodiments of the utility model, not all embodiments, they should not be understood as the limitation of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model. In the description of the utility model, it is understood that the used terms are only for the purpose of description, and should not be understood as indicating or suggesting relative importance.

[0026] The utility model provides a kind of self-locking double-wheel retreat stopper as shown in Figures 1-4 Including operating lever 1, operating lever 1 bottom fixedly connected with fixed plate 11, fixed plate 11 bottom surface both sides are fixedly connected with connecting column 24, connecting column 24 bottom end is rotatably connected with mounting plate 2, mounting plate 2 bottom surface is fixedly connected with mounting bracket 21, bearing 22 is installed between mounting bracket 21, bearing 22 outer periphery is equipped with gyro wheel 23;When installing mounting plate 2, connecting column 24 is fixed to the bottom surface of fixed plate 11 using bolt, mounting plate 2 can be adjusted according to the use condition square west, it is applicable to different scenes, when adjusting direction, rotating mounting plate 2 and mounting bracket 21, mounting plate 2 and mounting bracket 21 are rotated on connecting column 24, after being adjusted to appropriate position, the device is moved by bearing 22 and gyro wheel 23, facilitate the smooth progress of subsequent work.

[0027] It needs to be explained that brake structure 25 is arranged between the inner wall of mounting bracket 21, brake structure 25 and gyro wheel 23 outer periphery are in contact with each other;After being adjusted to appropriate position, press brake structure 25, brake structure 25 and gyro wheel 23 outer periphery contact, gyro wheel 23 is fixed, to prevent gyro wheel 23 from moving when using the device.

[0028] Further, the two fixing plates 11 are slidably provided with two inserting rods 3, the top surface of the mounting plate 2 is annularly provided with four inserting grooves 26, the two inserting rods 3 on one side are inserted into the corresponding two inserting grooves 26, the mounting plate 2 is internally provided with an oil storage cavity 4, the bottom surface of the oil storage cavity 4 is provided with through holes on both sides, the inner wall of the mounting frame 21 is provided with oil grooves 43 on both sides, and the oil grooves 43 are communicated with the through holes; when the direction is adjusted, the inserting rod 3 is pulled upwards, the inserting rod 3 is away from the inserting groove 26, at this time, the mounting plate 2 can be normally rotated, the inserting rod 3 is inserted into the corresponding inserting groove 26 after being rotated to the appropriate direction, the mounting plate 2 is fixed with the fixing plate 11, and the lubricating oil in the oil storage cavity 4 flows out from the through holes while the direction is adjusted, and the lubricating oil flows along the oil grooves 43 to the outer periphery of the bearing 22 for lubrication.

[0029] It should be noted that the through hole is located directly above the oil groove 43, the oil storage cavity 4 is provided with an inlet hole, and a sealing plug is mounted on the inlet hole; the above are prior art, and are not shown in the figure and will not be described here.

[0030] In the utility model, the side wall of the oil storage cavity 4 is annularly provided with four elastic sheets 41, the elastic sheet 41 is normally located in the inserting groove 26, the elastic sheet 41 has elasticity, and the bottom surface of the oil storage cavity 4 is fixedly connected with a cotton strip 42; the elastic sheet 41 is normally located in the inserting groove 26, the elastic sheet 41 is pressed inwards under stress, the pressing makes the lubricating oil in the oil storage cavity 4 flow out from the through hole in the bottom surface, and the cotton strip 42 is partially located in the through hole; the setting of the cotton strip 42 can avoid the splashing of the lubricating oil and also play a filtering role on the lubricating oil.

[0031] It should be noted that the inserting rod 3 is in contact with the corresponding elastic sheet 41, and the oil groove 43 is located directly above the bearing 22; when the direction of the mounting plate 2 is adjusted, the inserting rod 3 is inserted into the inserting groove 26, the inserting rod 3 presses the elastic sheet 41, the lubricating oil in the oil storage cavity 4 flows out from the through hole after the elastic sheet 41 is pressed, the lubricating oil moves along the oil groove 43 to the outer periphery of the bearing 22, and the lubricating oil lubricates the bearing 22.

[0032] In the utility model, when the direction of the roller 23 is adjusted, the inserting rod 3, the elastic sheet 41 and the components are matched, and the lubricating oil is also delivered to the outer periphery of the bearing 22 at the same time, so that automatic lubrication is realized, manual intervention is reduced, the lubrication of the bearing 22 can be completed without disassembling the device, and the maintenance difficulty is reduced.

[0033] The utility model discloses, through the cooperation of parts, the user can adjust the direction of gyro wheel 23 according to actual use demand freely, adapts to different scenes, and after the direction adjustment, the cooperation of plug rod 3 and parts can lock the direction of gyro wheel 23, ensure that gyro wheel 23 does not turn when the device is stationary, simple operation and high safety greatly improve the deployment efficiency of equipment.

[0034] The utility model discloses, through the cooperation of parts, the user can adjust the direction of gyro wheel 23 according to actual use demand freely, adapts to different scenes, and after the direction adjustment, the cooperation of plug rod 3 and parts can lock the direction of gyro wheel 23, ensure that gyro wheel 23 does not turn when the device is stationary, simple operation and high safety greatly improve the deployment efficiency of equipment.

[0035] The utility model discloses, through the cooperation of parts, the user can adjust the direction of gyro wheel 23 according to actual use demand freely, adapts to different scenes, and after the direction adjustment, the cooperation of plug rod 3 and parts can lock the direction of gyro wheel 23, ensure that gyro wheel 23 does not turn when the device is stationary, simple operation and high safety greatly improve the deployment efficiency of equipment.

Claims

1. A self-locking double-wheel retainer comprising an operating lever (1), characterized in that: The operating rod (1) bottom fixedly connected with a fixed plate (11), fixed plate (11) bottom surface both sides are fixedly connected with connecting column (24), the connecting column (24) bottom end rotationally connected with mounting plate (2), mounting plate (2) bottom surface fixedly connected with mounting bracket (21), the mounting bracket (21) between bearing (22) is installed, bearing (22) outer periphery is provided with a gyro wheel (23). The fixed plate (11) both sides are slidably provided with two insertion rods (3), the mounting plate (2) top surface is annularly provided with four insertion slots (26), the two insertion rods (3) on one side are inserted into the corresponding any two insertion slots (26), the mounting plate (2) is internally provided with an oil storage cavity (4), the oil storage cavity (4) bottom surface both sides are provided with through holes, the oil groove (43) is communicated with the through hole.

2. The self-locking double-wheel retainer according to claim 1, characterized in that: The oil storage cavity (4) side wall is annularly provided with four elastic sheets (41), the elastic sheet (41) is located in the insertion slot (26) under normal circumstances, the elastic sheet (41) has elasticity, the oil storage cavity (4) bottom surface is fixedly connected with a cotton bar (42).

3. The self-locking double-wheel retainer according to claim 1, characterized in that: The insertion rod (3) is in contact with the corresponding elastic sheet (41), the oil groove (43) is located directly above the bearing (22).

4. The self-locking dual-wheel retainer according to claim 1, wherein: The fixed plate (11) top surface is provided with a handle (31), the handle (31) bottom surface is fixedly connected with the insertion rod (3) top end, the fixed plate (11) both sides are internally provided with two cylindrical grooves (32), the cylindrical groove (32) is slidably connected with a circular ring sheet (33), the circular ring sheet (33) is fixedly sleeved on the outer periphery of the corresponding insertion rod (3), the cylindrical groove (32) is provided with a spring (34), and the two ends of the spring (34) are fixedly connected with the top surface of the corresponding cylindrical groove (32) and the top surface of the circular ring sheet (33), respectively.

5. The self-locking dual-wheel retainer according to claim 1, characterized in that: The mounting bracket (21) between the inner wall is provided with a brake structure (25), and the brake structure (25) is in movable contact with the outer periphery of the gyro wheel (23).

6. The self-locking dual-wheel retainer according to claim 1, wherein: The operating rod (1) bottom is fixedly connected with a reinforcing rod (12), and the reinforcing rod (12) is located above the fixed plate (11), the outer periphery of the operating rod (1) and the reinforcing rod (12) is fixedly sleeved with a reflective strip (13), one end of the operating rod (1) top is fixedly connected with an anti-skid handle sleeve (14), one end of the operating rod (1) bottom is fixedly connected with a stop block (5).

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