Transmission drum with device for absorbing and eliminating bearing damage external force

Abstract

The utility model discloses a transmission drum with a device for absorbing and eliminating bearing damage external force, a damping device comprises a damping support of an annular structure, and the damping device is fixedly installed on a drum support through the damping support; a connecting shaft sleeve nested at the end part of the central shaft is arranged at the inner circle position of the vibration reduction bracket; a plurality of groups of radial pressure springs arranged around the connecting shaft sleeve are also arranged at the inner circle position of the vibration reduction bracket; two ends of each group of radial pressure springs are respectively connected with the vibration reduction bracket and the connecting shaft sleeve; a group of axial pressure springs are also arranged in the connecting shaft sleeve; two ends of the axial pressure springs are respectively connected with the connecting shaft sleeve and the central shaft; through the mode that the damping devices are arranged at the two ends of the center shaft of the roller, the effect of absorbing and eliminating radial external force and axial external force acting on the center shaft is achieved through the damping devices, and the situation that the acting force is directly applied to a bearing structure, and the structural stability and the service life of a bearing are affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transmission roller technical field relates to a transmission roller with absorb and eliminate bearing damage external force device. BACKGROUND

[0002] Transmission roller is the important part in the intelligent sorting transmission equipment in the domestic relevant at present, such as Figure 5 As shown in the figure, the center shaft A1 of traditional roller assembly and the roller A2 are connected through transmission bearing A3, wherein the center shaft A1 is tightly matched with the inner ring of transmission bearing A3, and the both ends of center shaft A1 are fixed on the roller rack A4;

[0003] And due to the self weight of the roller and the upper cargo load of the belt driven by the roller, as well as the impact load of the heavy object thrown by human, these external forces are all transmitted to the inner ring and outer ring of transmission bearing A3, causing the inner ring and outer ring of transmission bearing A3 to be excessively stressed, when the inner ring and outer ring of bearing are under the long-term excessive composite external force, the bearing will be accelerated to wear and damage state;Therefore, the present application proposes a roller protection structure capable of absorbing and eliminating excess external force to solve the above technical problems. CONTENT OF UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A transmission roller with absorb and eliminate bearing damage external force device, comprising a roller body, a set of damping devices for realizing center shaft damping are arranged at both ends of the center shaft of the roller body respectively;

[0006] The damping device comprises: a damping support in ring structure, and the damping device is fixedly installed on the roller support through the damping support;

[0007] The inner circle position of the damping support is provided with a connecting shaft sleeve nested on the end position of the center shaft;

[0008] The inner circle position of the damping support is further provided with a plurality of radial compression springs arranged around the connecting shaft sleeve, and the both ends of each group of radial compression springs are connected with the damping support and the connecting shaft sleeve respectively;

[0009] A group of axial compression springs are further arranged in the connecting shaft sleeve, and the both ends of the axial compression springs are connected with the connecting shaft sleeve and the center shaft respectively.

[0010] As a further scheme of the utility model: four groups of connecting pins extending to the damping support direction are further arranged on the connecting shaft sleeve;And the inner end face of the damping support is formed with a connecting slot for the insertion of the connecting pin;The depth of the connecting slot is greater than the length of the connecting pin.

[0011] As a further scheme of the present application, the connecting shaft sleeve and the damping support are both provided with a connecting ring.

[0012] As a further scheme of the present application, the damping support is provided with a centering set screw on the radial compression spring corresponding to the four reference directions, and the other end of the centering set screw is connected with the radial compression spring.

[0013] As a further scheme of the present application, the damping support adopts a split structure and is formed by two symmetrically arranged mounting plates.

[0014] As a further scheme of the present application, the end of the connecting shaft sleeve is further provided with a set of distance adjusting set screws, one end of the distance adjusting set screw is inserted into the connecting shaft sleeve, and the distance adjusting set screw is provided with an axial adjusting seat connected with the axial compression spring.

[0015] The present application has the advantages that: the damping device is arranged at both ends of the drum center shaft, the damping device absorbs and eliminates the radial external force and the axial external force acting on the center shaft, the external force is not directly applied to the bearing structure, the structural stability and the service life of the bearing are not affected, the problem of long-term unknown direction destructive external force suffered by the drum is solved, and the service life of the transmission drum structure is effectively prolonged. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 is a structural schematic diagram of the damping device in the present application.

[0018] Figure 3 is a mounting structural schematic diagram of the damping device in the present application.

[0019] Figure 4 is another structural schematic diagram of the damping device in the present application.

[0020] Figure 5 is a structural schematic diagram of the prior art transmission drum. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application. It should be understood that the present application is not limited to the example embodiments disclosed herein. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0022] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0024] In the embodiments of the utility model, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The utility model provides a please refer to Figures 1-4 In the embodiments of the utility model, a transmission drum with a bearing damage external force absorbing and eliminating device comprises a drum body 1, a group of damping devices 3 for realizing the damping of the central shaft 13 are arranged at both ends of the central shaft 13 of the drum body 1 respectively, and the both ends of the central shaft 13 are connected with the drum support 2 through the damping devices 3 respectively.

[0026] The damping device 3 comprises a damping support 31 in ring structure, and the damping device 3 is fixedly installed on the drum support 2 through the damping support 31.

[0027] The inner circle position of the damping support 31 is provided with a connecting shaft sleeve 32 nested on the end position of the central shaft 13.

[0028] In order to realize the absorption and elimination of radial force, the inner circle position of the damping support 31 is also provided with a plurality of groups of radial compression springs 37 arranged around the connecting sleeve 32, and the two ends of each group of radial compression springs 37 are connected with the damping support 31 and the connecting sleeve 32 respectively; so as to realize the suspension support of the connecting sleeve 32 at the center of the inner circle of the damping support 31; when the central shaft 13 is subjected to a radial force during the operation of the transmission device, the force is transmitted to the corresponding radial compression spring 37, and the force is absorbed and eliminated by the radial compression spring 37; and after the force disappears, the radial compression spring 37 resets the connecting sleeve 32 (central shaft 13) to the center position of the inner circle of the damping support 31.

[0029] In order to realize the absorption and elimination of axial force, a group of axial compression springs 33 are arranged in the connecting sleeve 32, and the two ends of the axial compression spring 33 are connected with the connecting sleeve 32 and the central shaft 13 respectively; when the central shaft 13 is subjected to an axial force, the force is transmitted to the axial compression spring 33, and the force is absorbed and eliminated by the axial compression spring 33; and after the force disappears, the axial compression spring 33 resets the central shaft 13 to the position of the transmission line.

[0030] Further, in order to realize the cooperation between the connecting sleeve 32 and the damping support 31, four connecting pins 39 extending towards the damping support 31 are arranged on the connecting sleeve 32; and the inner end face of the damping support 31 is formed with a connecting slot 312 for inserting the connecting pin 39;

[0031] In order to realize the connection work while the connecting sleeve 32 can realize the suspension effect, the depth of the connecting slot 312 is greater than the length of the connecting pin 39, so as to ensure that the connecting sleeve 32 is arranged in the inner circle position of the damping support 31 in a movable manner.

[0032] Further, in the arrangement of the radial compression spring 37, in order to improve the stability of the radial compression spring 37, a connecting ring 36 is arranged in the connecting sleeve 32 and the damping support 31; the end position of the radial compression spring 37 is fixed by the connecting ring 36, so as to improve the stability of the overall spring structure.

[0033] Further, the radial compression spring 37 corresponding to the four reference directions of the damping support 31 is provided with a centering set screw 38, and the other end of the centering set screw 38 is connected with the radial compression spring 37; in use, the position of the radial compression spring 37 in the reference direction is changed by the centering set screw 38, so as to realize the centering adjustment of the connecting sleeve 32.

[0034] Further, the damping support 31 adopts a split structure, which is formed by two symmetrically arranged mounting plates; so that the assembly of the damping support 31 is more simple and convenient.

[0035] Further, the end of the connecting sleeve 32 is also provided with a set of distance adjusting set screws 34, one end of the distance adjusting set screws 34 penetrating into the connecting sleeve 32 and provided with an axial adjusting seat 35 connected with the axial compression spring 33; in use, the axial adjusting seat 33 is changed by the distance adjusting set screws 34, so as to realize the adjustment of the axial position of the central shaft 13.

[0036] It is also to be noted that terminology such as the first and the second, and the like, used herein merely for the purpose of differentiating one entity or operation from another, and does not necessarily require or imply any such actual relationship or sequence between the entities or operations. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by an "including a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0037] The above description of disclosed embodiments enables one skilled in the art to make or use the application. Numerous modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Therefore, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A driving drum having a device for absorbing and eliminating an external force that damages a bearing, characterized in that, The drum body is provided with a set of damping devices for damping the central shaft at both ends of the central shaft; The damping device comprises a damping support in a ring structure, and the damping device is fixedly installed on the drum support through the damping support; The inner circle of the damping support is provided with a connecting sleeve nested on the end of the central shaft; The inner circle of the damping support is further provided with a plurality of radial compression springs arranged around the connecting sleeve, and both ends of each group of radial compression springs are connected with the damping support and the connecting sleeve; The connecting sleeve is further provided with a set of axial compression springs, and both ends of the axial compression springs are connected with the connecting sleeve and the central shaft.

2. A driving drum having a device for absorbing and eliminating external forces damaging the bearing according to claim 1, characterized in that, The connecting sleeve is further provided with four connecting pins extending towards the damping support, and the inner end surface of the damping support is formed with a connecting slot for the insertion of the connecting pin, and the depth of the connecting slot is greater than the length of the connecting pin.

3. A driving drum having a device for absorbing and eliminating external forces damaging the bearing according to claim 1, characterized in that, The connecting sleeve and the damping support are both provided with a connecting ring.

4. The power roller according to claim 1, wherein the power roller has a device for absorbing and eliminating an external force that damages the bearing. The radial compression springs corresponding to the four reference directions of the damping support are provided with a centering locking screw, and the other end of the centering locking screw is connected with the radial compression spring.

5. The power roller according to claim 1, wherein the power roller is provided with a device for absorbing and eliminating external force that damages the bearing. The damping support adopts a split structure and is formed by buckling two symmetrically arranged mounting plates.

6. A power transmission drum having a device for absorbing and eliminating external forces that damage the bearing according to claim 1, characterized in that, The end of the connecting sleeve is further provided with a set of distance adjusting locking screws, one end of the distance adjusting locking screw penetrates into the connecting sleeve, and the other end is provided with an axial adjusting seat connected with the axial compression spring.

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