Centering self-monitoring regulation and control framework and method based on universal joint shaft body and universal joint

Abstract

The invention discloses a centering self-monitoring regulation and control framework and method based on a universal joint shaft body and a universal joint, and relates to the technical field of mechanical transmission, and the regulation and control framework comprises an assembly base body structure which comprises a limiting shaft seat and a cross shaft body rotationally connected to the limiting shaft seat; the self-adaptive transmission structure comprises a touch pressure transmission ball and a touch pressure transmission rod body; the touch transmission ball is arranged on the side wall of the limiting shaft seat, abuts against the cross shaft body and abuts against the touch transmission rod body; the touch pressure monitoring structure is fixedly connected to the limiting shaft seat, and the touch pressure monitoring structure abuts against the touch pressure transmission rod body; and the centering regulation and control structure, the centering limiting end part and the shaft end part of the cross shaft body are arranged in a separable switching manner. The universal joint solves the problems that a cross shaft body in a universal joint in the prior art is prone to continuously bearing alternating load after being used for a long time, centering deviation is generated due to the combined action of friction force and impact force, the overall transmission efficiency and the operation stability are further affected, and a coping improvement means is lacked.

Description

Technical Field

[0001] The present invention relates to the field of mechanical transmission technology, and in particular to a self-monitoring and control structure and method for centering based on a universal joint shaft, and a universal joint. Background Art

[0002] Currently in mechanical transmission systems, universal joints are often used to achieve variable-angle power transmission. They can allow two sets of drive shafts to maintain power transmission within a certain range of angle changes. They are widely used in many fields such as automobiles, aerospace, and engineering machinery. Therefore, it is extremely critical to ensure the precise transmission of universal joints.

[0003] However, the cross shaft inside the existing universal joint is prone to continuous alternating loads, friction and impact forces during long-term use, resulting in misalignment. For example, under actual working conditions, the shaft and its limiter usually fit closely and move relative to each other. The high-frequency friction generated by this relative movement will inevitably lead to gradual loss of shaft surface material, resulting in local wear; for another example, when the mechanical system encounters a sudden impact or overload, the shaft is also susceptible to external force compression, resulting in changes in its local shape.

[0004] The direct consequence of the above-mentioned wear and extrusion problems is that the shaft deviates from the center correspondence of the predetermined hole position, that is, the misalignment. Once the shaft position is misaligned, the originally precise power transmission process will be disturbed, resulting in a significant reduction in transmission efficiency, causing the mechanical system to consume more kinetic energy to complete the established power transmission output, increasing the overall system energy consumption; at the same time, it will also cause additional vibration, further aggravating component wear and increasing maintenance costs; in addition, long-term shaft misalignment may cause damage to key components inside the mechanical system, seriously affecting the stable operation of the mechanical system and significantly shortening its service life. Summary of the invention

[0005] To this end, the present invention provides a self-monitoring and control architecture, method and universal joint based on a universal joint shaft, so as to solve the technical problem that the internal cross shaft of the universal joint in the prior art is prone to continuous exposure to the combined effects of alternating loads, friction and impact forces during long-term use, resulting in centering deviation, thereby affecting the overall transmission efficiency and system operation stability, and lacks technical improvement measures.

[0006] In order to achieve the above object, the present invention provides the following technical solutions: A self-monitoring and control architecture for centering based on a universal joint shaft, comprising: The assembly base structure includes a limit shaft seat and a cross shaft body embedded in the limit shaft seat; An adaptive transmission structure, comprising a contact pressure transmission ball and a contact pressure transmission rod body; The touch-pressure transmission ball is mounted on the side wall of the limit shaft seat, and the touch-pressure transmission ball is in transmission contact with the cross shaft body, and the side of the touch-pressure transmission ball away from the cross shaft body is in transmission contact with one end of the touch-pressure transmission rod body; The touch pressure monitoring structure is configured as a touch pressure sensor, the touch pressure sensor is fixedly connected to the limit shaft seat, and the touch pressure sensor is arranged in a transmission-butting manner with the other end of the touch pressure transmission rod body; The centering regulating structure has a centering limiting end portion, and the centering limiting end portion of the centering regulating structure is connected to the center position of the shaft end portion of the cross shaft body by a detachable transfer assembly.

[0007] On the basis of the above technical solution, the present invention is further described as follows: As a further embodiment of the present invention, The assembly base structure includes a first transmission shaft seat, a second transmission shaft seat, a limit shaft seat and a cross shaft body; The first transmission shaft seat and the second transmission shaft seat are respectively connected to the two groups of transmission shafts located in the transmission path in a one-to-one corresponding manner, and the limiting shaft seat is fixedly connected to both sides of the opposite ends between the first transmission shaft seat and the second transmission shaft seat; The cross-axis body has two groups of shaft bodies arranged in a cross shape, and one group of shaft bodies of the cross-axis body is matched and embedded in the two groups of limit shaft seats corresponding to the first transmission shaft seat, and the other group of shaft bodies of the cross-axis body is matched and embedded in the two groups of limit shaft seats corresponding to the first transmission shaft seat; The adaptive transmission structure and the touch-pressure monitoring structure are each provided with four groups, and the four groups of the adaptive transmission structure and the touch-pressure monitoring structure are respectively assembled and provided on the four groups of the limit shaft seats in a one-to-one correspondence.

[0008] As a further embodiment of the present invention, Each group of the limiting shaft seats comprises an inner limiting ring portion and an outer pressing edge portion; The outer pressing edge portion is fixedly mounted on the outer peripheral side portion of the inner limiting ring portion; The inner limiting ring part can be relatively rotatably fitted on the cross shaft body; The outer pressing edge is arranged in a hexagonal shape, and an assembly spacing is reserved between the hexagonal side portions of the outer pressing edge and the inner limiting ring portion; Each of the adaptive transmission structures includes the touch-pressure transmission ball and the touch-pressure transmission rod body, the touch-pressure transmission rod body is arranged as a spring telescopic rod, each of the touch-pressure monitoring structures includes a touch-pressure sensor, and six groups are provided for the touch-pressure transmission ball, the spring telescopic rod in each of the adaptive transmission structures, and the touch-pressure sensor in each of the touch-pressure monitoring structures; The base parts of the six groups of touch-pressure sensors are respectively fixedly connected to the inner six-side parts of the outer pressing edges of each group of limit shaft seats in a one-to-one correspondence, and the monitoring ends of the six groups of touch-pressure sensors and one ends of the six groups of spring telescopic rods are respectively connected in a one-to-one correspondence through transmission and fixation; The six groups of touch-pressure transmission balls and the six groups of spring telescopic rods are respectively arranged in a one-to-one correspondence, and one sides of the six groups of touch-pressure transmission balls are all correspondingly oriented towards the inner central part of the inner limit ring part; The other ends of the six groups of spring telescopic rods are fixedly provided with ball head docking parts, and the other ends of the six groups of spring telescopic rods and the other sides of the six groups of touch-pressure transmission balls are arranged in a transmission and abutting manner.

[0009] As a further solution of the present invention, Each of the adaptive transmission structures further includes six groups of ball bases; The six groups of ball bases are respectively fixedly assembled on the inner limit ring part at uniform intervals, and the six groups of ball bases and the six groups of spring telescopic rods are respectively arranged in a one-to-one correspondence; The six groups of touch-pressure transmission balls are respectively assembled in the six groups of ball bases in a one-to-one correspondence; The ball base is arranged as a ball guiding base, and the six groups of touch-pressure transmission balls are respectively assembled in the six groups of ball guiding bases in a one-to-one correspondence in a directionally displaceable manner; or, the ball base is arranged as a ball limiting base, the touch-pressure transmission ball is set to roll centeringly based on the ball limiting base, and the touch-pressure transmission ball protrudes from the inner side wall of the inner limit ring part based on the ball limiting base.

[0010] As a further solution of the present invention, Centering conical groove positions are respectively opened at the central positions of the shaft ends of the cross shaft body, and a plurality of groups of limit balls that can roll centeringly arbitrarily are uniformly spaced and assembled on the inner side walls of the cross shaft body corresponding to the centering conical groove positions; The centering limit end of the centering regulation structure is arranged as a centering limit cone platform; The centering limit cone platform penetrates through the limit shaft seat and extends to the inner part of the centering conical groove position, and a driving component is arranged at one end of the centering limit cone platform facing away from the centering conical groove position, and a predetermined distance is left between the outer side wall of the centering limit cone platform and the plurality of groups of limit balls in the normal state; The driving component is set as an electric control push rod. The base part of the electric control push rod is fixedly assembled and connected with the limit shaft seat, and the output end of the electric control push rod is fixedly connected with the centering limit cone table in a transmission manner; or, the driving component is set as an electric control displacement driving component. The base part of the electric control displacement driving component is fixedly assembled and connected with the limit shaft seat, and the end of the plane side movement output of the electric control displacement driving component is fixedly connected with the centering limit cone table in a transmission manner.

[0011] As a further solution of the present invention, it further includes: A shaft seat slip ring structure, including a first power connection slip ring group and a second power connection slip ring group; The inner ring body of the first power connection slip ring group is fixedly assembled and arranged on the first transmission shaft seat in a transmission manner, and the inner ring body of the first power connection slip ring group is connected by a circuit between the touch pressure sensor and the electric control push rod in the two groups of limit shaft seats corresponding to the first transmission shaft seat; The inner ring body of the second power connection slip ring group is fixedly assembled and arranged on the second transmission shaft seat in a transmission manner, and the inner ring body of the second power connection slip ring group is connected by a circuit between the touch pressure sensor and the electric control push rod in the two groups of limit shaft seats corresponding to the second transmission shaft seat.

[0012] As a further solution of the present invention, The outer ring bodies of the first power connection slip ring group and the second power connection slip ring group are both provided with an electric control structure through circuit connection. The electric control structure includes a power supply module and a control module connected by a circuit; The control output end of the control module is connected with a relay through a circuit, and the output end of the relay is connected with the electric control push rod or the electric control displacement driving component through a circuit; The touch pressure sensor is connected with the control input end of the control module through a circuit.

[0013] A centering self-monitoring and regulation method according to the centering self-monitoring and regulation architecture based on a universal joint shaft body described above, including the following steps: When the cross shaft body in the assembly base structure rotates reciprocally based on the inner limit ring part, the touch pressure transmission ball located in the inner limit ring part is pressed into the ball guide base. At this time, the six groups of spring telescopic rods are adaptively compressed under the action of the touch pressure transmission ball, and the spring back pressure of the six groups of spring telescopic rods enables the six groups of touch pressure sensors to synchronously monitor the vibration pressure change; When at least two groups of touch pressure sensors alternately monitor that the vibration pressure generates an abnormal change exceeding the error threshold range, at this time, the control module receives the real-time monitoring pressure from the at least two groups of touch pressure sensors and judges that the cross shaft body has a centering deviation trend based on the inner limit ring part due to deformation; According to the azimuth of the cross shaft body corresponding to at least two groups of touch pressure sensors in real time, further judge the specific deformation position, and at the same time control the electric control push rod in the centering regulation structure to drive the centering limit cone to form a jacking effect. At this time, the centering limit cone can be rotatably abutted against the centering cone groove position at the center of the shaft end of the cross shaft body, so as to avoid pre-wear between the centering limit cone and the cross shaft body, reduce the further centering deviation degree of the cross shaft body or reduce further component damage through the centering limit cone, and assist in maintaining the current transmission efficiency within a predetermined range.

[0014] As a further solution of the present invention, When at least one group of touch pressure sensors always monitors abnormal changes in vibration pressure exceeding the error threshold range, at this time, the control module receives the real-time monitored pressure from the at least one group of touch pressure sensors, and judges that the inner limit ring part and / or the outer pressing edge part in the limit shaft seat generate deformation. According to the monitoring abnormal azimuth of the at least one group of touch pressure sensors, the specific deformation position of the inner limit ring part and / or the outer pressing edge part is judged correspondingly, and then the electric control push rod is controlled to drive the centering limit cone to form a jacking effect corresponding to the cross shaft body, so as to reduce the possibility of the subsequent cross shaft body deviating from the center, or perform the intervention process of replacing components.

[0015] A universal joint includes the centering self-monitoring and regulation framework based on the universal joint shaft body.

[0016] The present invention has the following beneficial effects: The centering self-monitoring and regulation framework and method can effectively use the assembly matrix structure as the assembly basis of the overall functional framework, and at the same time can effectively monitor the centering deviation state of the shaft body of the assembly matrix structure in real time by matching the adaptive transmission structure with the touch pressure monitoring structure, and can further complete the shaft body centering adjustment process for the assembly matrix structure with the help of the centering regulation structure, so as to effectively ensure the transmission efficiency and transmission accuracy of the overall framework, and improve the functional operation stability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in this specification for those who are familiar with this technology to understand and read. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0018] Figure 1 It is a schematic axonometric structure diagram of the centering self-monitoring and regulation framework based on the universal joint shaft body provided by the embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the assembly structure of the adaptive transmission structure and the touch pressure monitoring structure in the centering self-monitoring and regulation architecture based on the universal joint shaft body provided by the embodiment of the present invention.

[0020] Figure 3 Schematic diagram of the centering function structure corresponding to the cross shaft body in the centering self-monitoring and regulation architecture based on the universal joint shaft body provided by the embodiment of the present invention.

[0021] Figure 4 Schematic diagram of the assembly structure of the centering regulation structure corresponding to the top-in state of the cross shaft body in the centering self-monitoring and regulation architecture based on the universal joint shaft body provided by the embodiment of the present invention.

[0022] Figure 5 For the centering self-monitoring and regulation architecture based on the universal joint shaft body provided by the embodiment of the present invention Figure 4 Partial enlarged schematic diagram at position A.

[0023] In the drawings, the list of components represented by each reference numeral is as follows: Assembly base structure 1: first transmission shaft seat 11, second transmission shaft seat 12, limit shaft seat 13, inner limit ring part 131, outer pressing edge part 132, cross shaft body 14, centering taper groove 141, limit ball 142; Adaptive transmission structure 2: ball guide base 21, touch pressure transmission ball 22, spring telescopic rod 23, ball head docking part 24; Touch pressure monitoring structure 3: touch pressure sensor 31; Centering regulation structure 4: electric control push rod 41, centering limit cone 42; Shaft seat slip ring structure 5: first power connection slip ring group 51, second power connection slip ring group 52. Detailed implementation manners

[0024] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Terms such as "upper", "lower", "left", "right", "middle" and the like cited in this specification are only for the convenience of description and clarity, rather than to limit the scope of implementation of the present invention. Changes or adjustments in their relative relationships shall also be regarded as the scope of implementation of the present invention without substantial changes in the technical content.

[0026] Embodiment 1 like Figures 1 to 5 As shown, an embodiment of the present invention provides a self-monitoring and control structure for centering based on the universal joint shaft and a universal joint including the self-monitoring and control structure for centering, wherein the self-monitoring and control structure for centering includes an assembly base structure 1, an adaptive transmission structure 2, a touch-pressure monitoring structure 3, a centering control structure 4 and an axle seat slip ring structure 5, which is used to effectively serve as the assembly basis of the overall functional structure through the assembly base structure 1, and can effectively monitor the axis centering deviation state of the assembly base structure 1 in real time by using the adaptive transmission structure 2 and the touch-pressure monitoring structure 3, and can further use the centering control structure 4 to complete the axis centering adjustment process for the assembly base structure 1, thereby effectively ensuring the transmission efficiency and transmission accuracy of the overall structure, and improving the functional operation stability and practicality. The specific settings are as follows: Please refer to Figure 1 The assembly base structure 1 includes a first transmission shaft seat 11, a second transmission shaft seat 12, a limit shaft seat 13 and a cross shaft body 14; wherein, the first transmission shaft seat 11 and the second transmission shaft seat 12 are respectively and one-to-one correspondingly connected to the two groups of transmission shafts located in the transmission path, and the limit shaft seat 13 is fixedly connected to both sides of the opposite ends between the first transmission shaft seat 11 and the second transmission shaft seat 12; the cross shaft body 14 has two groups of shaft bodies arranged in a cross shape, and one group of shaft bodies of the cross shaft body 14 is matched with the two groups of limit shaft seats 13 corresponding to the first transmission shaft seat 11 in an embedded manner, and the other group of shaft bodies of the cross shaft body 14 is matched with the two groups of limit shaft seats 13 corresponding to the first transmission shaft seat 11 in an embedded manner, so as to form a universal joint assembly basic structure.

[0027] Specifically, please refer to Figure 2 The limiting shaft seat 13 includes an inner limiting ring portion 131 and an outer pressing edge portion 132 fixedly assembled on the outer side of the inner limiting ring portion 131; wherein the inner limiting ring portion 131 can be relatively rotatably fitted on the cross shaft body 14; the outer pressing edge portion 132 is arranged in a hexagonal shape, and an assembly spacing is reserved between the hexagonal side portions of the outer pressing edge portion 132 and the inner limiting ring portion 131; it is used to effectively serve as a transfer assembly basis for the cross shaft body 14 through the limiting shaft seat 13, and simultaneously serve as a positioning assembly basis for the adaptive transmission structure 2 and the touch pressure monitoring structure 3.

[0028] Please continue to refer to Figure 1 and Figure 2, four sets of the adaptive transmission structure 2 and the touch pressure monitoring structure 3 are provided, and the four sets of the adaptive transmission structure 2 and the touch pressure monitoring structure 3 are respectively assembled in one-to-one correspondence on the four sets of the limit shaft seats 13; specifically, each set of the adaptive transmission structure 2 includes a ball guide base 21, a touch pressure transmission ball 22, and a spring telescopic rod 23, and each set of the touch pressure monitoring structure 3 includes a touch pressure sensor 31. Among them, six sets of the ball guide base 21, the touch pressure transmission ball 22, the spring telescopic rod 23, and the touch pressure sensor 31 are provided. The base parts of the six sets of the touch pressure sensors 31 are respectively fixedly connected in one-to-one correspondence to the six-side inner sides of the outer pressing edges 132 in each set of the limit shaft seats 13, and the monitoring ends of the six sets of the touch pressure sensors 31 and one ends of the six sets of the spring telescopic rods 23 are respectively connected in a transmission and fixed connection. The other ends of the six sets of the spring telescopic rods 23 are fixedly connected with a ball head docking part 24 for flexibly abutting and pressing the touch pressure transmission ball 22.

[0029] The six sets of the ball guide bases 21 are respectively fixedly assembled at the inner limit ring part 131 at equal intervals, and the six sets of the ball guide bases 21 and the six sets of the spring telescopic rods 23 are respectively arranged in one-to-one correspondence; the six sets of the touch pressure transmission balls 22 are respectively assembled in a one-to-one correspondence and can be displaced directionally inside the six sets of the ball guide bases 21, and the six sets of the touch pressure transmission balls 22 are all correspondingly directed towards the inner center part of the inner limit ring part 131 based on one side part of the ball guide base 21. The six sets of the touch pressure transmission balls 22 are respectively connected in a transmission and abutting connection with the ball head docking parts 24 of the six sets of the spring telescopic rods 23 based on the other side parts of the ball guide base 21, so that when the cross shaft body 14 is assembled to the inner side part of the inner limit ring part 131 and rotates reciprocally based on the inner limit ring part 131, the touch pressure transmission balls 22 can be pressed into the ball guide base 21. At this time, with the rebound pressure of the six sets of the spring telescopic rods 23, the six sets of the touch pressure sensors 31 can synchronously monitor the uniform vibration pressure change, and can further monitor the abnormal vibration pressure change of the cross shaft body 14 and the inner limit ring part 131 respectively.

[0030] Please refer to Figures 3 to 5 , the center positions of the shaft ends of the cross shaft body 14 are respectively provided with centering taper groove positions 141, and a plurality of sets of limit balls 142 that can be centered and rotated arbitrarily are evenly spaced and assembled on the inner side walls of the cross shaft body 14 corresponding to the centering taper groove positions 141.

[0031] The centering control structure 4 includes an electric control push rod 41 and a centering limit frustum 42 fixedly connected to the output end of the electric control push rod 41. The base of the electric control push rod 41 is fixedly assembled and connected to the limit shaft seat 13. The centering limit frustum 42 extends through the limit shaft seat 13 to the inner part of the centering cone groove 141. A predetermined distance is left between the outer wall of the centering limit frustum 42 and several groups of the limit balls 142. When it is detected that the abnormal change of vibration pressure causes the centering deviation trend of the cross shaft body 14 relative to the limit shaft seat 13, through the jacking action formed by driving the centering limit frustum 42 by the electric control push rod 41, the centering limit frustum 42 can establish an abutting action with several groups of the limit balls 142 synchronously, thereby reducing the centering deviation degree of the cross shaft body 14 relative to the limit shaft seat 13. At the same time, the established relative rotation function of the cross shaft body 14 can be effectively ensured by the limit balls 142, the influence on the overall transmission efficiency is reduced, and the stability and practicability of the structure function are improved.

[0032] Please continue to refer to Figure 1 , the shaft seat slip ring structure 5 includes a first power connection slip ring group 51 and a second power connection slip ring group 52. Among them, the inner ring body of the first power connection slip ring group 51 is fixedly assembled and connected to the first transmission shaft seat 11 in a transmission manner, and the inner ring body of the first power connection slip ring group 51 is electrically connected to the touch pressure sensor 31 and the electric control push rod 41 in two limit shaft seats 13 corresponding to the first transmission shaft seat 11 through a circuit. The inner ring body of the second power connection slip ring group 52 is fixedly assembled and connected to the second transmission shaft seat 12 in a transmission manner, and the inner ring body of the second power connection slip ring group 52 is electrically connected to the touch pressure sensor 31 and the electric control push rod 41 in two limit shaft seats 13 corresponding to the second transmission shaft seat 12 through a circuit.

[0033] Specifically, the outer ring bodies of the first power connection slip ring group 51 and the second power connection slip ring group 52 are both provided with an electric control structure through a circuit. The electric control structure includes a power supply module and a control module connected through a circuit. The control module can be, but is not limited to, a single-chip microcomputer control board of model AT80C51 and a microcontroller of model STM32. The control output end of the control module is connected to a relay through a circuit, and the output end of the relay is connected to the electric control push rod 41 through a circuit. The touch pressure sensor 31 is connected to the control input end of the control module through a circuit, so as to realize the automatic monitoring and real-time feedback of the vibration pressure change of the cross shaft body 14 and the inner limit ring part 131 through the touch pressure sensor 31. At the same time, when it is judged that there is a centering deviation trend according to the feedback result, the centering deviation degree is automatically reduced through the electric control push rod 41, or an external intervention process is carried out.

[0034] An embodiment of the present invention also provides a centering self-monitoring and regulation method according to the above centering self-monitoring and regulation architecture based on a cardan shaft body, which specifically includes the following steps: When the cross shaft body 14 in the assembly matrix structure 1 reciprocally rotates based on the inner limit ring portion 131, the touch-pressure transmission ball 22 located in the inner limit ring portion 131 is pressed into the inside of the ball guide base 21. At this time, the six spring telescopic rods 23 are adaptively compressed after being affected by the touch-pressure transmission ball 22, and the resilience pressures of the six spring telescopic rods 23 enable the six touch sensors 31 to synchronously monitor the vibration pressure changes; When at least two touch sensors 31 alternately monitor that the vibration pressure generates an abnormal change beyond the error threshold range, at this time, the control module receives the real-time monitoring pressures from the at least two touch sensors 31, and determines that the cross shaft body 14 has a centering deviation trend based on the inner limit ring portion 131 due to deformation. According to the azimuth of the cross shaft body 14 corresponding to the at least two touch sensors 31 in real time, the specific deformation position is further determined. At the same time, the electric control push rod 41 in the centering regulation structure 4 is controlled to drive the centering limit frustum 42 to form a jacking effect. At this time, the centering limit frustum 42 can be rotatably abutted against the centering conical groove position 141 at the center of the shaft end of the cross shaft body 14. In this way, on the basis of avoiding pre-wear between the centering limit frustum 42 and the cross shaft body 14, the centering limit frustum 42 effectively reduces the further centering deviation degree of the cross shaft body 14 or reduces further component damage, and assists in maintaining the current transmission efficiency within a predetermined range; When at least one touch sensor 31 always monitors that the vibration pressure generates an abnormal change beyond the error threshold range, at this time, the control module receives the real-time monitoring pressure from the at least one touch sensor 31, and determines that the inner limit ring portion 131 and / or the outer pressing edge portion 132 in the limit shaft seat 13 generates deformation. According to the monitoring abnormal azimuth of the at least one touch sensor 31, the specific deformation position of the inner limit ring portion 131 and / or the outer pressing edge portion 132 is correspondingly determined. Furthermore, the electric control push rod 41 is controlled to drive the centering limit frustum 42 to form a jacking effect corresponding to the cross shaft body 14, so as to reduce the possibility of the subsequent cross shaft body 14 having a centering deviation through the centering limit frustum 42, or directly perform the component replacement intervention process, that's all.

[0035] Embodiment 2 In Embodiment 2, the same structures as those in Embodiment 1 are given the same reference signs, and the same descriptions are omitted. The difference between Embodiment 2 and Embodiment 1 is that the ball guide base 21 is replaced with a ball limit base, that is, the touch transmission ball 22 can always perform centering rolling based on the ball limit base under normal conditions, and the touch transmission ball 22 protrudes from the inner side wall of the inner limit ring portion 131 based on the ball limit base, so as to realize the self-adaptive rolling support of the cross shaft body 14 by means of the touch transmission ball 22, significantly reducing the possibility of wear and deformation of the cross shaft body 14, the inner limit ring portion 131 and / or the outer pressing edge portion 132. And through the abutting and vibration feedback between the spring telescopic rod 23 and the touch transmission ball 22, the automatic monitoring function of the vibration pressure change of the touch sensor 31 can be effectively maintained, thereby further improving the functional stability and practicality of the overall structure.

[0036] Embodiment 3 In Embodiment 3, the same structures as those in Embodiments 1 and 2 are given the same reference signs, and the same descriptions are omitted. The difference between Embodiment 3 and Embodiments 1 and 2 is that the electric control push rod 41 is replaced with an electric control displacement drive assembly. The electric control displacement drive assembly is set as but not limited to an electromagnetic displacement drive assembly and a ball screw drive assembly, and the electric control displacement drive assembly has a kinetic energy output end for planar movement. The centering limit frustum 42 is fixedly connected to the kinetic energy output end of the electric control displacement drive assembly for transmission, so as to significantly improve the limiting pertinence of the centering limit frustum 42 corresponding to the centering deviation direction when the centering deviation direction of the cross shaft body 14 is monitored and obtained, and effectively improve the functional flexibility and practicality of the overall structure.

[0037] Although the present invention has been described in detail with general descriptions and specific embodiments above, based on the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of the present invention claimed.

Claims

1. A centering self-monitoring and regulation architecture based on a cardan shaft body, characterized in that Comprising: An assembly base structure, including a limit shaft seat and a cross shaft body embedded and transferred in the limit shaft seat; An adaptive transmission structure, including a touch transmission ball and a touch transmission rod body; The touch transmission ball is assembled and arranged on the side wall of the limit shaft seat, and the touch transmission ball is in transmission contact with the cross shaft body, and the side of the touch transmission ball away from the cross shaft body is in transmission contact with one end of the touch transmission rod body; A touch monitoring structure, set as a touch sensor, the touch sensor is fixedly arranged on the limit shaft seat, and the touch sensor is in transmission contact with the other end of the touch transmission rod body; An alignment adjustment structure, having an alignment limit end, and the alignment limit end of the alignment adjustment structure is detachably transferred and assembled with the center position of the shaft end of the cross shaft body.

2. The centering self-monitoring and regulation architecture based on a universal joint shaft body according to claim 1, characterized in that The assembly base structure includes a first transmission shaft seat, a second transmission shaft seat, a limit shaft seat and a cross shaft body; The first transmission shaft seat and the second transmission shaft seat are respectively in transmission connection with two groups of transmission shafts located on the transmission path, and the limit shaft seats are fixedly arranged on both sides of the opposite ends of the first transmission shaft seat and the second transmission shaft seat; The cross shaft body has two groups of shaft bodies arranged in a cross-corresponding manner, and one group of shaft bodies of the cross shaft body is fitted and embedded and transferred in the corresponding two limit shaft seats of the first transmission shaft seat, and the other group of shaft bodies of the cross shaft body is fitted and embedded and transferred in the corresponding two limit shaft seats of the first transmission shaft seat; Four groups of the adaptive transmission structure and the touch monitoring structure are provided, and the four groups of the adaptive transmission structure and the touch monitoring structure are respectively assembled on the four groups of the limit shaft seats in a one-to-one correspondence.

3. The centering self-monitoring and regulation architecture based on a universal joint shaft body according to claim 2, characterized in that Each group of the limit shaft seats includes an inner limit ring part and an outer pressing edge part; The outer pressing edge part is fixedly assembled on the outer peripheral side of the inner limit ring part; The inner limit ring part is rotatably fitted and sleeved on the cross shaft body; The outer pressing edge part is in a hexagonal shape, and there is an assembly gap between the six side parts of the outer pressing edge part and the inner limit ring part; Each group of the adaptive transmission structure includes the touch transmission ball and the touch transmission rod body, the touch transmission rod body is set as a spring telescopic rod, each group of the touch monitoring structure includes a touch sensor, and six groups of the touch transmission balls, the spring telescopic rods in each group of the adaptive transmission structure and the touch sensors in each group of the touch monitoring structure are provided; The base parts of the six touch sensors are respectively fixedly arranged on the inner sides of the six sides of the outer pressing edge part of each group of the limit shaft seats in a one-to-one correspondence, and the monitoring ends of the six touch sensors are respectively in transmission and fixed connection with one ends of the six spring telescopic rods. The six groups of the touch-driven balls and the six groups of the spring telescopic rods are respectively arranged in one-to-one correspondence, and one side of each of the six groups of the touch-driven balls is correspondingly oriented towards the inner central part of the inner limiting ring part; The other ends of the six groups of the spring telescopic rods are fixedly provided with ball head docking parts, and the other ends of the six groups of the spring telescopic rods and the other sides of the six groups of the touch-driven balls are arranged in transmission contact with each other.

4. The centering self-monitoring and regulating architecture based on a universal joint shaft body according to claim 3, wherein Each of the adaptive transmission structures further includes six ball bases; The six ball bases are respectively fixedly assembled and arranged on the inner limiting ring part at uniform intervals, and the six ball bases and the six groups of the spring telescopic rods are respectively arranged in one-to-one correspondence; The six touch-driven balls are respectively assembled in the six ball bases in one-to-one correspondence; The ball bases are provided as ball guiding bases, and the six touch-driven balls are respectively assembled in the six ball guiding bases in a directionally displaceable manner in one-to-one correspondence; Or, the ball bases are provided as ball limiting bases, the touch-driven balls are set to roll centeringly based on the ball limiting bases, and the touch-driven balls protrude from the inner side wall of the inner limiting ring part based on the ball limiting bases.

5. The centering self-monitoring and regulating architecture based on a universal joint shaft body according to claim 3, wherein Central alignment tapered groove positions are respectively formed at the central positions of the shaft end parts of the cross shaft body, and a plurality of groups of limiting balls that can roll centeringly arbitrarily are evenly spaced and assembled on the inner side walls of the cross shaft body corresponding to the central alignment tapered groove positions; The centering limiting end part of the centering regulating structure is provided as a centering limiting cone platform; The centering limiting cone platform extends through the limiting shaft seat to the inner part of the central alignment tapered groove position, and a driving component is arranged at one end of the centering limiting cone platform facing away from the central alignment tapered groove position, and a predetermined distance is left between the outer side wall of the centering limiting cone platform and the plurality of groups of limiting balls in a normal state; The driving component is provided as an electric control push rod, the base part of the electric control push rod is fixedly assembled and connected with the limiting shaft seat, and the output end part of the electric control push rod is fixedly connected with the centering limiting cone platform in transmission; or, the driving component is provided as an electric control displacement driving component, the base part of the electric control displacement driving component is fixedly assembled and connected with the limiting shaft seat, and the planar side moving output end part of the electric control displacement driving component is fixedly connected with the centering limiting cone platform in transmission.

6. The centering self-monitoring and regulation architecture based on a gimbal shaft body according to claim 5, wherein It further includes: A shaft seat slip ring structure, including a first power connection slip ring group and a second power connection slip ring group; The inner ring body of the first power connection slip ring group is fixedly assembled and arranged on the first transmission shaft seat, and the inner ring body of the first power connection slip ring group is electrically connected with the touch sensors and the electric control push rods in the two limiting shaft seats corresponding to the first transmission shaft seat through circuits; The inner ring body of the second power connection slip ring group is fixedly assembled and arranged on the second transmission shaft seat through transmission, and the inner ring body of the second power connection slip ring group is electrically connected between the touch pressure sensors and the electric control push rods in the two groups of limit shaft seats corresponding to the second transmission shaft seat.

7. The self-aligning self-monitoring and regulating framework based on the universal joint shaft body according to claim 6, characterized in that The outer ring bodies of the first power connection slip ring group and the second power connection slip ring group are both provided with electric control structures through circuit connections. The electric control structures include a power supply module and a control module connected through a circuit; The control output end of the control module is connected with a relay through a circuit, and the output end of the relay is connected with the electric control push rod or the electric control displacement driving assembly through a circuit; The touch pressure sensor is connected with the control input end of the control module through a circuit.

8. A centering self-monitoring and regulating method according to the centering self-monitoring and regulating architecture based on a gimbal shaft body as described in any one of claims 5-7, characterized in that, Including the following steps: When the cross shaft body in the assembly base structure reciprocally rotates based on the inner limiting ring part, the touch pressure transmission ball located in the inner limiting ring part is pressed into the inside of the ball guiding base. At this time, the six groups of spring telescopic rods are adaptively compressed under the action of the touch pressure transmission ball, and the spring back pressure of the six groups of spring telescopic rods enables the six groups of touch pressure sensors to synchronously monitor the vibration pressure change; When at least two groups of touch pressure sensors alternately monitor that the vibration pressure generates an abnormal change exceeding the error threshold range, at this time, the control module receives the real-time monitored pressure from the at least two groups of touch pressure sensors, and judges that the cross shaft body has a centering deviation trend based on the inner limiting ring part due to deformation; Further judge the specific deformation position according to the azimuth of the cross shaft body corresponding to at least two groups of touch pressure sensors in real time. At the same time, control the electric control push rod in the centering regulation structure to drive the centering limiting frustum to form a jacking effect. At this time, the centering limiting frustum can be rotatably abutted against the centering conical groove position at the center of the shaft end of the cross shaft body. Based on this, on the basis of avoiding pre-wear between the centering limiting frustum and the cross shaft body, the centering limiting frustum reduces the further centering deviation degree of the cross shaft body or reduces further component damage, and assists in maintaining the current transmission efficiency within a predetermined range.

9. The self-aligning self-monitoring and regulating method according to claim 8, characterized in that When at least one group of touch pressure sensors always monitors that the vibration pressure generates an abnormal change exceeding the error threshold range, at this time, the control module receives the real-time monitored pressure from the at least one group of touch pressure sensors, and judges that the inner limiting ring part and / or the outer pressing edge part in the limit shaft seat generate deformation. According to the monitoring abnormal azimuth of the at least one group of touch pressure sensors, the specific deformation position of the inner limiting ring part and / or the outer pressing edge part is judged correspondingly. Furthermore, by controlling the electric control push rod to drive the centering limiting frustum to form a jacking effect corresponding to the cross shaft body, the possibility of subsequent centering deviation of the cross shaft body is reduced, or a component replacement intervention process is carried out.

10. A universal joint, characterized in that, Including the self-aligning self-monitoring and regulating framework based on the universal joint shaft body according to any one of claims 1-7.

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