Synchronous track fastening structure of moving appliance

Abstract

The utility model discloses a synchronous track fastening structure of a moving appliance, which comprises a tensioning wheel, a synchronous track, a driven wheel, a driving wheel and a motor, the synchronous track is sleeved outside the tensioning wheel and the driving wheel, and the driven wheel is arranged between the tensioning wheel and the driving wheel and is meshed and connected with the synchronous track. The motor is in transmission connection with the driving wheel through a transmission assembly, the rear side of a first center shaft of the tensioning wheel is fixedly connected with a tensioning assembly, the tensioning assembly comprises a synchronous wheel shaft plate fixedly connected with the first center shaft, one side of the synchronous wheel shaft plate is fixedly connected with a nitrogen spring, and a left locking block is pushed through the nitrogen spring. When the synchronous track is tensioned, the locking block is always pre-pressed on the existing synchronous wheel shaft plate, the nitrogen spring is always in an expansion state to obtain certain elastic pressure, then the synchronous wheel shaft plate is locked by the screw to tightly support the synchronous track, and the elastic pressure of the nitrogen spring continuously outputs force to the synchronous wheel shaft plate, so that the synchronous wheel shaft plate is not easy to loosen, and the synchronous track is tensioned.

Description

TECHNICAL FIELD

[0001] The utility model belongs to synchronous track fastening technical field, concretely relates to a synchronous track fastening structure of mobile appliance. BACKGROUND

[0002] AGV (automatic guided vehicle) wheel is an indispensable part in the automatic logistics system, and its design and function directly affect the controllability and motion stability of AGV, and the synchronous track pre-tightening device of the existing AGV wheel pair conveying trolley is driven left and right transversely through screw rod screw nut, and is fixed by screw, after long time movement of the trolley, loosening has occurred, leading to relaxation of the synchronous track, causing track deviation and damage. INVENTION CONTENTS

[0003] The utility model discloses a synchronous track fastening structure of mobile appliance, which solves the problem that the synchronous track pre-tightening device of the existing AGV wheel pair conveying trolley is driven left and right transversely through screw rod screw nut, and is fixed by screw, after long time movement of the trolley, loosening has occurred, leading to relaxation of the synchronous track, causing track deviation and damage.

[0004] To achieve the above object, the utility model provides the following technical scheme: a synchronous track fastening structure of mobile appliance, including tensioning wheel, synchronous track, driven wheel, driving wheel and motor, the synchronous track is set on the outside of tensioning wheel and driving wheel, and the driven wheel is placed between tensioning wheel and driving wheel and is engaged with the synchronous track, the motor is drivenly connected between the driving wheel through a transmission assembly, the central shaft of the tensioning wheel is fixedly connected with a tensioning assembly on the rear side;

[0005] The tensioning assembly includes a synchronous shaft plate fixedly connected with the central shaft, a nitrogen spring is fixedly connected on one side of the synchronous shaft plate, and a locking block is fixedly connected on one end of the nitrogen spring and fixed on the external frame through the locking block.

[0006] Preferably, the transmission assembly includes a driving gear fixed on the output shaft of the motor, a driven gear is fixedly connected on the rear side of the central shaft of the driving wheel, and the driven gear is engaged with the driving gear.

[0007] Preferably, the synchronous shaft plate is fixed with a fixed base on the side away from the nitrogen spring, a moving rod is fixedly connected on the fixed base, a sleeve is sleeved on one end of the moving rod, and a piston plate is fixed on one end of the moving rod in the sleeve for limiting.

[0008] Preferably, a non-Newtonian fluid is arranged in the sleeve, flow-through holes are arranged on both ends of the piston plate, and at least one tapered rod is fixedly connected on one side of the sleeve.

[0009] Preferably, the inner side of the sleeve away from the end of the moving rod is provided with an impact plate, and at least one strong spring is fixedly connected between the impact plate and the inner wall of the sleeve.

[0010] The technical effects and advantages of the utility model are: 1. one nitrogen spring is used to push the left locking block, the locking block is always pre-pressed on the existing synchronous wheel shaft plate, the nitrogen spring is always in the expansion state, a certain elastic pressure is obtained, the synchronous wheel shaft plate is locked by a screw, the synchronous track is tightly stretched, the elastic pressure of the nitrogen spring continuously outputs force to the synchronous wheel shaft plate, the synchronous wheel shaft plate is not easy to loosen, and the tensioning of the synchronous track is completed.

[0011] 2. the non-newtonian fluid is added in the sleeve, when the nitrogen spring pushes the synchronous wheel shaft plate to move, the moving rod also moves towards the inside of the sleeve, during the moving process, the non-newtonian fluid is provided with a flowing space by the flowing hole, the movement of the synchronous wheel shaft plate is not affected, the movement of the synchronous wheel shaft plate is not affected, the hard impact of the piston plate on the non-newtonian fluid is formed when the synchronous wheel shaft plate suddenly breaks, until the impact plate and the strong spring are impacted, the instantaneous buffering is realized, and the safety hidden danger of instantaneous large impact is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a three-dimensional structural schematic view of the utility model;

[0014] Figure 3 It is a tensioning assembly structural schematic view of the utility model;

[0015] Figure 4 It is a tensioning assembly structural schematic view of the utility model; Figure 3 It is a partial enlarged view of A part in the middle.

[0016] In the drawing: 1, tensioning wheel; 2, tensioning assembly; 201, moving rod; 202, fixed base; 203, central shaft one; 204, synchronous wheel shaft plate; 205, nitrogen spring; 206, locking block; 207, impact plate; 208, strong spring; 209, sleeve; 210, flowing hole; 211, piston plate; 212, conical rod; 3, tensioning wheel; 4, synchronous track; 5, driven wheel; 6, driving wheel; 7, motor; 8, driving gear; 9, driven gear. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0018] The utility model provides a kind of synchronous track fastening structure of mobile appliance as shown in the figure, including tensioning wheel 3, synchronous track 4, driven wheel 5, driving wheel 6 and motor 7, synchronous track 4 is set in tensioning wheel 3 and the outside of driving wheel 6, and driven wheel 5 is placed between tensioning wheel 3 and driving wheel 6 and is engaged with synchronous track 4, motor 7 is drivenly connected between transmission assembly and driving wheel 6, the rear side of the central shaft of tensioning wheel 3 203 is fixedly connected with tensioning assembly 2;

[0019] Tensioning assembly 2 includes synchronous wheel shaft plate 204 fixedly connected with central shaft 203, and nitrogen spring 205 is fixedly connected with lock block 206 at one end, and is fixed on external frame by lock block 206, one side of synchronous wheel shaft plate 204 is fixedly connected with nitrogen spring 205.

[0020] Specifically, transmission assembly includes driving gear 8 fixed on the output shaft of motor 7, and driving gear 8 is fixedly connected with driving gear 9 on the rear side of the central shaft of driving wheel 6, and driving gear 9 is engaged with driving gear 8.

[0021] Specifically, the side of synchronous wheel shaft plate 204 away from nitrogen spring 205 is fixed with fixed base 202, and mobile rod 201 is fixedly connected on fixed base 202, and sleeve 209 is sleeved on one end of mobile rod 201, and piston plate 211 is fixed on one end of mobile rod 201 in sleeve 209 for limiting.

[0022] Specifically, non-newtonian fluid is arranged in sleeve 209, and flow-through hole 210 is arranged at both ends of piston plate 211, and at least one tapered rod 212 is fixedly connected on one side of sleeve 209.

[0023] Specifically, impact plate 207 is slidably arranged on the inner side of one end of sleeve 209 away from mobile rod 201, and at least one strong spring 208 is fixedly connected between impact plate 207 and the inner wall of sleeve 209.

[0024] Working principle: in the use of the utility model, through one nitrogen gas spring 205, push left locking block 206, make locking block 206 always pre-press on the existing synchronous wheel axle plate 204, nitrogen gas spring 205 always in the expansion state, obtain certain elastic pressure, then use screw locking synchronous wheel axle plate 204, brace synchronous track 4, the elastic pressure of nitrogen gas spring 205 continuously exports force to synchronous wheel axle plate 204, make synchronous wheel axle plate 204 not easy to loosen, complete the tensioning of synchronous track 4;

[0025] Example two: through the setting of sleeve 209, in the case that the utility model appears emergency synchronous track 4 fracture, nitrogen gas spring 205 will immediately impact tension to the maximum position, cause to adjacent equipment or other articles to cause clamping, in this moment, nitrogen gas spring force is big and there is security risk, through the setting of sleeve 209, its inside adds non-newtonian fluid, when loosening, nitrogen gas spring 205 pushes synchronous wheel axle plate 204 integral movement also will drive moving rod 201 towards the inside movement of sleeve 209, in the process of movement, because the loosening of synchronous track 4 is generally long time slowly loosens, therefore the setting of flow hole 210 gives a non-newtonian fluid flow space, will not affect the movement of synchronous wheel axle plate 204, will not cause resistance to the movement of synchronous wheel axle plate 204, and when suddenly breaking, synchronous wheel axle plate 204 drives piston plate 211 immediately impact on non-newtonian fluid and form hard impact, until impact impact plate 207 and strong spring 208, realize instantaneous buffering, solve the security risk of momentary big impact.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting 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. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A synchronous track fastening structure of a mobile appliance, comprising a tensioning wheel (3), a synchronous track (4), a driven wheel (5), a driving wheel (6) and a motor (7), the synchronous track (4) being sleeved outside the tensioning wheel (3) and the driving wheel (6), and the driven wheel (5) being disposed between the tensioning wheel (3) and the driving wheel (6) and being in meshing connection with the synchronous track (4), the motor (7) being in driving connection between the driving wheel (6) through a transmission assembly, characterized in that: The center axis one (203) rear side of the tensioning wheel (3) is fixedly connected with a tensioning assembly (2); ​ The tensioning assembly (2) comprises a synchronous wheel shaft plate (204) fixedly connected with the center axis one (203), one side of the synchronous wheel shaft plate (204) is fixedly connected with a nitrogen spring (205), and one end of the nitrogen spring (205) is fixedly connected with a locking block (206), and the locking block (206) is fixed on an external frame.

2. The synchronous track fastening structure of a mobile appliance according to claim 1, characterized by: The transmission assembly comprises a driving gear (8) fixed on the output shaft of the motor (7), the center axis rear side of the driving gear (6) is fixedly connected with a driven gear (9), and the driven gear (9) and the driving gear (8) are in meshing connection.

3. The synchronous track fastening structure of a mobile appliance according to claim 1, characterized by: The synchronous wheel shaft plate (204) is fixedly connected with a fixed base (202) away from the nitrogen spring (205), the fixed base (202) is fixedly connected with a moving rod (201), one end of the moving rod (201) is sleeved with a sleeve (209), and the moving rod (201) is fixedly connected with a piston plate (211) at one end of the sleeve (209) for limiting.

4. The synchronous track fastening structure of a mobile appliance according to claim 3, characterized in that: The inside of the sleeve (209) is provided with a non-Newtonian fluid, both ends of the piston plate (211) are provided with flow holes (210), and at least one tapered rod (212) is fixedly connected to one side of the sleeve (209).

5. The synchronous track fastening structure of a mobile appliance according to claim 4, characterized by: The inside of the sleeve (209) away from the moving rod (201) is slidably provided with an impact plate (207), and at least one strong spring (208) is fixedly connected between the impact plate (207) and the inner wall of the sleeve (209).

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