A hand-held vibration source simulation device

Abstract

The application relates to the technical field of metrological detection, in particular to a handheld vibration source simulation device, which comprises an outer sleeve, an inner shaft sleeve, a handle, a vibration mechanism, a vibration probe and a control unit; the front end of the inner shaft sleeve is provided with the vibration probe, the inner part of the inner shaft sleeve is provided with the vibration mechanism, the output shaft of the vibration mechanism is connected with the vibration probe, the front end of the vibration probe is located on the front side of the inner shaft sleeve, the rear end of the inner shaft sleeve is fixedly installed on the inner side of the front end of the outer sleeve and is coaxial, the inner part of the outer sleeve is provided with the control unit, the control unit is electrically connected with the vibration mechanism, the outer side of the outer sleeve is fixedly provided with the handle, the handle is provided with a trigger button which is electrically connected with the control unit, and the trigger button has an on position and an off position; the device can be conveniently held and carried, and can also conveniently simulate vibration detection of multiple measuring points on a damping platform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metrological detection, in particular to a handheld vibration source simulation device. BACKGROUND

[0002] The vibration reduction platform is also called a vibration reduction table, and its main purpose is to enable precise equipment to operate smoothly and reduce vibration. The vibration reduction platform plays a very important role for precise equipment.

[0003] For a high-performance vibration reduction platform configured for high-end equipment, the focus is on how to test and accept the vibration reduction platform in the early stage. Therefore, the vibration source simulation device is needed to detect multiple test points on the vibration reduction platform, so that each test point of the vibration reduction platform can meet the vibration reduction requirements. However, the vibration reduction simulation device in the prior art is generally not convenient to hold and carry, and it is also not convenient to simulate and detect multiple test points of the vibration reduction platform. SUMMARY

[0004] The purpose of the present application is to provide a handheld vibration source simulation device which can be conveniently held and carried, and can also conveniently simulate and detect multiple test points on the vibration reduction platform.

[0005] The technical solution of the present application is as follows:

[0006] A handheld vibration source simulation device comprises an outer sleeve, an inner shaft sleeve, a handle, a vibration mechanism, a vibration probe and a control unit.

[0007] The front end of the inner shaft sleeve is provided with the vibration probe, the inside of the inner shaft sleeve is provided with the vibration mechanism, the output shaft of the vibration mechanism is connected with the vibration probe, the front end of the vibration probe is located on the front side of the inner shaft sleeve, the rear end of the inner shaft sleeve is fixedly installed on the inside of the front end of the outer sleeve and is coaxial, the inside of the outer sleeve is provided with a control unit, the control unit is electrically connected with the vibration mechanism, the outside of the outer sleeve is fixedly provided with the handle, the handle is provided with a trigger button which is electrically connected with the control unit, the trigger button has an on and off position for starting and stopping the vibration mechanism.

[0008] Further, an induction module is also included, the outer sleeve is provided with an induction module which is electrically connected with the control unit, and the induction module is correspondingly arranged with the vibration mechanism.

[0009] Further, the vibration mechanism comprises a transmission shaft, an iron core, a coil, a rear shaft sleeve, an elastic member, a front shaft sleeve, an output shaft and a shaft stop piece.

[0010] The rear end of the inner sleeve is provided with a grommet, the transmission shaft is provided through the grommet and is coaxial with the inner sleeve, the iron core and the rear sleeve are arranged on the outside of the transmission shaft and inside the inner sleeve, the iron core and the rear sleeve are fixedly connected, and the rear sleeve is located at the front end of the iron core, the coil is arranged on the outside of the iron core and the rear sleeve, and the coil is electrically connected with the control unit;

[0011] The front end of the transmission shaft is provided with the front sleeve, the rear sleeve and the front sleeve are connected through the elastic member, the front end of the front sleeve is connected with the output shaft, the output shaft is provided through the front end of the inner sleeve and is in sliding connection with the inner sleeve, and the front end of the output shaft is fixedly connected with the rear end of the vibration probe;

[0012] The rear end of the transmission shaft is provided with a shaft stop sheet, and the induction module is arranged correspondingly with the shaft stop sheet and is used for inducting the shaft stop sheet.

[0013] Further, the induction module is an induction sensor.

[0014] Further, the inner sleeve is fixedly provided with a grommet inside the front end, and the grommet is arranged on the outside of the output shaft, and the output shaft is in sliding connection with the inner sleeve through the grommet.

[0015] Further, the outer wall of the output shaft is provided with a groove, and a macro sensor is arranged in the groove.

[0016] Further, the outer sleeve is provided with a gear switch and an indicator lamp, and the gear switch and the indicator lamp are electrically connected with the control unit.

[0017] The indicator lamp can indicate whether the induction module inducts the vibration mechanism.

[0018] The gear switch has multiple gears to switch the vibration level of the vibration mechanism.

[0019] Further, the outer sleeve is further provided with a display screen, the display screen is electrically connected with the control unit, and the display screen is used to display the running information and fault information of the vibration mechanism.

[0020] Further, the outer sleeve is further provided with a fan.

[0021] Further, the outer sleeve comprises a detachably connected upper half and a lower half.

[0022] Compared with the prior art, the beneficial effects of the present application are:

[0023] The device is used, the tester holds the handle and makes the vibration probe into the to-be-tested position of the damping platform, the induction module induces the vibration mechanism and sends a signal to the control unit, then the trigger button is pulled to make it in the open position, the control unit drives the power output of the vibration mechanism, the repeated vibration output force is transmitted to the vibration probe through the output shaft, and then the vibration probe continuously forces, vibration source simulation is realized. The damping simulation device can be conveniently handheld, portable, and convenient for single-point or multi-point simulation detection of the damping platform. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0025] Figure 1 It is a front view of the hand-held vibration source simulation device of the present application;

[0026] Figure 2 It is a rear view of the hand-held vibration source simulation device of the present application;

[0027] Figure 3 It is a sectional view of the hand-held vibration source simulation device of the present application;

[0028] Figure 4 It is a front view of the connection structure of the outer sleeve and the handle of the present application;

[0029] Figure 5 It is a rear view of the connection structure of the outer sleeve and the handle of the present application; Figure 4

[0030] Figure 6 It is a sectional view of the connection structure of the outer sleeve and the handle of the present application; Figure 4

[0031] Figure 7 It is an outer side isometric view of the upper half of the present application;

[0032] Figure 8 It is an inner side isometric view of the upper half of the present application;

[0033] Figure 9 It is an inner side isometric view of the lower half of the present application;

[0034] Figure 10 It is an outer side isometric view of the lower half of the present application;

[0035] Figure 11 It is an isometric view of the handle of the present application;

[0036] ​​Figure 12 Figure 6 is a view of the shaft of the inner sleeve of the present application;

[0037] Figure 13 Figure 7 is a sectional view of the present application; Figure 12

[0038] Figure 14 Figure 8 is a view of the shaft of the front sleeve of the present application;

[0039] Figure 15 Figure 9 is a view of the shaft of the rear sleeve of the present application;

[0040] Figure 16 Figure 10 is a view of the shaft of the gland of the present application;

[0041] Figure 17 Figure 11 is a view of the shaft of the wire cover of the present application.

[0042] In the figure:

[0043] 1-outer sleeve; 101-handle; 1011-circular arc surface; 1012-wire passing hole; 1013-connection plate; 1014-grip; 102-lower half; 1021-boss; 1022-first row of wire channels; 1023-wire hole;

[0044] 103-upper half; 1031-air vent; 1032-fan slot;

[0045] 104-control unit; 105-sensing module; 106-trigger button; 107-gear switch; 108-indicator light; 109-fan; 110-display screen; 111-cable connector;

[0046] 112-first mounting hole; 113-second mounting hole; 114-third mounting hole;

[0047] 2-inner sleeve; 201-air inlet hole; 202-coil; 203-iron core; 204-gland; 2041-wire slot; 2042-air outlet hole; 205-output shaft; 2051-blocking portion; 206-cushion pad; 207-sleeve; 208-vibration probe; 209-macro sensor; 210-front sleeve; 2101-front shaft body; 2102-front blocking portion; 211-elastic member; 212-rear sleeve; 2121-rear shaft body; 2122-rear blocking portion; 213-wire cover; 2131-arc surface; 2132-second row of wire channels; 214-transmission shaft; 215-shaft blocking piece; 216-groove. DETAILED DESCRIPTION

[0048] ​In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0049] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. 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.

[0050] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0051] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0052] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0053] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] Some embodiments of the present application will be described in detail with reference to the drawings. The following embodiments and features of the embodiments described below can be combined with each other in the case of no conflict.

[0055] Embodiment 1

[0056] With reference to Figures 1-17 , the embodiment provides a handheld vibration source simulation device, which comprises an outer sleeve 1, an inner shaft sleeve 2, a handle 101, a vibration mechanism, a vibration probe 208 and a control unit 104. First, define the direction, take the axis direction of the outer sleeve 1 as the forward direction, and take the direction of the side of the outer sleeve 1 towards the vibration probe 208 as the forward direction, and vice versa as the backward direction.

[0057] Among them, the front end of the inner shaft sleeve 2 is provided with the vibration probe 208, the inside of the inner shaft sleeve 2 is provided with the vibration mechanism, the output shaft 205 of the vibration mechanism is connected with the vibration probe 208, and the front end of the vibration probe 208 is located on the front side of the inner shaft sleeve 2, and the rear end of the inner shaft sleeve 2 is fixedly installed on the inside of the front end of the outer sleeve 1 and coaxial, specifically, the outer sleeve 1 and the inner shaft sleeve 2 are preferably fixedly connected by bolt connection.

[0058] The inside of the outer sleeve 1 is provided with a control unit 104, the control unit 104 is electrically connected with the vibration mechanism, the outside of the outer sleeve 1 is fixedly provided with the handle 101, the handle 101 is provided with a trigger button 106 which is electrically connected with the control unit 104, the trigger button 106 has an on and off position, respectively used for starting and closing the vibration mechanism.

[0059] The vibration mechanism is driven, the vibration mechanism outputs to the vibration probe 208 through the output shaft to realize vibration, and the vibration probe 208 can be of different shapes, different materials and different specifications.

[0060] The device further comprises an induction module 105, the outer sleeve 1 is provided with an induction module 105 which is electrically connected with the control unit 104, the induction module 105 is correspondingly provided with the vibration mechanism, and the induction module 105 is used for inducting the vibration mechanism.

[0061] The induction module 105 is preferably an induction sensor.

[0062] In the embodiment, the vibration mechanism comprises a transmission shaft 214, an iron core 203, a coil 202, a rear shaft sleeve 212, an elastic member 211, a front shaft sleeve 210, an output shaft 205 and an axle stop sheet 215.

[0063] Among them, as shown in Figures 12-17 The rear end of the inner shaft sleeve 2 is provided with a gland 204, the structure of the gland 204 is as shown in Figure 16As shown in the figure, the transmission shaft 214 is arranged through the gland 204 and coaxial with the inner sleeve 2, the rear end of the transmission shaft 214 extends to the rear side of the outer sleeve 1, the iron core 203 and the rear sleeve 212 are arranged on the outer side of the transmission shaft 214 and inside the inner sleeve 2, the iron core 203 and the rear sleeve 212 are fixedly connected, and the rear sleeve 212 is located at the front end of the iron core 203, the coil 202 is arranged on the outer side of the iron core 203 and the rear sleeve 212, and the coil 202 is electrically connected with the control unit 104 through an electric wire. The coil 202 is an excitation coil, which can excite the iron core 203 to reciprocate along the axial direction of the transmission shaft. The gland 204 is also provided with a wire slot 2041, which facilitates the wiring of the electric wire connected between the coil 202 and the control unit 104. The wire slot 2041 is preferably a waist-shaped slot. A plurality of air outlets 2042 are arranged on the gland 204 in the front-rear direction, and the plurality of air outlets 2042 are preferably arranged in a ring shape.

[0064] The front end of the transmission shaft 214 is provided with the front sleeve 210, the rear sleeve 212 and the front sleeve 210 are connected through the elastic member 211, the front end of the front sleeve 210 is connected with the output shaft 205, the output shaft 205 penetrates through the front port of the inner sleeve 2 and is in sliding connection with the inner sleeve 2, and the front end of the output shaft 205 is fixedly connected with the rear end of the vibration probe 208.

[0065] The rear end of the transmission shaft 214 is provided with a shaft baffle 215, the induction module 105 is arranged corresponding to the shaft baffle 215 and is used for inducting the shaft baffle 215.

[0066] Specifically, the structure of the rear sleeve 212 is as shown in the figure Figure 14 The structure of the front sleeve 210 is as shown in the figure Figure 13The rear axle sleeve 212 includes a rear axle body 2121 and a rear blocking part 2122 which is annular and fixedly arranged outside the rear axle body 2121, and the rear axle body 2121 is welded or integrally formed with the rear blocking part 2122. A through hole for mounting the transmission shaft 214 is formed in the interior of the rear axle body 2121 along the axial direction thereof. Preferably, the outer diameter of the rear blocking part 2122 is the same as the outer diameter of the iron core, so that the peripheries of the two are flush after installation. The front axle sleeve 210 includes a front axle body 2101 and a front blocking part 2102 which is annular and fixedly arranged outside the front axle body 2101, and the front axle body 2101 is welded or integrally formed with the front blocking part 2102. A slot hole for mounting the transmission shaft is formed in the interior of the front axle body 2101 along the axial direction thereof. Preferably, the outer diameter of the front axle body 2101 is the same as the outer diameter of the rear axle body 2121. The elastic member 211 is preferably a compression spring. The compression spring is collectively sleeved on the front end of the rear axle body 2121 and the rear end of the front axle body 2101, and the two end faces of the compression spring are respectively attached to the front end face of the rear blocking part 2122 and the rear end face of the front blocking part 2102. The front end of the iron core 203 is sleeved on the rear end of the rear axle body 2121, and the front end face of the iron core 203 is attached to the rear end face of the rear blocking part 2122, so that the iron core 203 is fixedly connected with the rear axle sleeve 212 to be integrated.

[0067] The shaft blocking piece 215 is inserted into the transmission shaft 214 and locked in a set direction, the position of the shaft blocking piece 215 corresponds to the position of the inductive sensor, and the inductive sensor senses whether the shaft blocking piece is in its sensing area, and then sends a signal to the control unit 104. The control unit 104 is selected to be a circuit board, and specifically a laminated monolithic circuit board. The monolithic circuit board integrates software algorithms, program logic, electrical control and other related technologies.

[0068] The front end of the front axle sleeve 210 is provided with the output shaft 205. Specifically, the rear end of the output shaft 205 is sleeved on the front end of the front axle body 2101, and the rear end face of the output shaft 205 is attached to the front end face of the front blocking part 2102, so that the output shaft 205 is fixedly connected with the front axle sleeve 210 to be integrated. The middle part of the output shaft 205 is provided with an annular blocking part 2051, the part of the output shaft 205 located in front of the blocking part 2051 is in sliding connection with the inner wall of the blocking sleeve 207, and a buffer pad 206 is arranged between the front end face of the blocking part 2051 and the rear end face of the blocking sleeve 207, and the blocking sleeve 207 is fixedly installed on the inner side of the front end port of the inner axle sleeve 2. The compression cover 204, the transmission shaft 214, the iron core 203, the coil 202, the rear axle sleeve 212, the compression spring, the front axle sleeve 210 and the output shaft 205 are coaxial with the inner axle sleeve 2. The front end of the output shaft 205 extends to the front side of the front end port of the inner axle sleeve 2, and the front end of the output shaft 205 is used for mounting vibration probes 208 of various specifications, so as to facilitate the replacement of vibration probes 208 of different specifications and meet more testing requirements.

[0069] The outer wall of the output shaft 205 is provided with a groove, and a micro-distance sensor 209 is mounted in the groove.

[0070] The outer sleeve 1 comprises a detachable upper half 103 and lower half 102, the cross section of the upper half 103 and the lower half 102 is semicircular, the upper half 103 and the lower half 102 are connected and combined into a cylinder by bolt connection, riveting or the like, and the upper half 103 and the lower half 102 are preferably connected by riveting.

[0071] The outer sleeve 1 is provided with a gear switch 107 and an indicator lamp 108, both of which are electrically connected with the control unit 104; the indicator lamp 108 can indicate whether the vibration mechanism is sensed by the induction sensor; the gear switch 107 has multiple gears to switch the vibration level of the vibration mechanism. The outer sleeve 1 is also provided with a display screen 110, which is electrically connected with the control unit 104 to display the vibration mechanism operation information and fault information. Specifically, the gear switch 107, the indicator lamp 108 and the display screen 110 are all arranged on the top of the upper half 103, and the first mounting hole 112 for installing the gear switch 107, the second mounting hole 113 for installing the indicator lamp 108 and the third mounting hole 114 for installing the display screen 110 are opened on the top of the upper half 103. The display screen 110 is preferably a bar code display screen. The inside of the outer sleeve 1 can be provided with a battery as a power supply for the whole. In this embodiment, a cable connector 111 is preferably arranged at the rear end of the outer sleeve 1, one end of which is electrically connected with the control unit 104, and the other end is used for plug-in connection with an external power supply to provide long-lasting power supply and stable power input. The inside of the outer sleeve 1 is also provided with a fan 109 for internal heat dissipation, which is arranged on the inner side of the upper half 103, specifically a fan groove 1032 is opened on the inner side of the upper half 103, and the fan 109 is correspondingly fixed in the fan groove 1032. A plurality of exhaust holes 1031 corresponding to the fan 109 are also opened on the upper half 103, preferably arranged in a ring shape. A plurality of bosses 1021 for supporting the control unit 104 (circuit board) are arranged on the bottom of the lower half 102, preferably designed as four and arranged in a matrix. A first wire channel 1022 is also opened on the inner bottom of the lower half 102, which extends to the front end face of the lower half 102. Correspondingly, a wire cover 213 is arranged on the outer bottom of the inner shaft sleeve 2, the top surface of the wire cover 213 is in contact with the bottom surface of the inner shaft sleeve 2, and the top surface of the wire cover 213 is an arc surface 2131 corresponding to the shape of the outer side surface of the inner shaft sleeve 2, so that the outer bottom surface of the inner shaft sleeve 2 is fitted with the arc surface 2131 of the wire cover 213, and the connection and fixation are realized by bolt connection, riveting or adhesion. The bottom of the arc surface 2131 of the wire cover 213 is provided with a second wire channel 2132, which corresponds to the first wire channel 1022 and is used for wiring between the circuit board and the macro sensor 209. A groove 216 is also opened on the inner bottom of the rear end of the inner shaft sleeve 2 in the front-rear direction, so that when the vibration mechanism is assembled into the inner shaft sleeve 2 through the rear end, the macro sensor 209 can slide into the inner cavity of the inner shaft sleeve 2 without interference.A plurality of air inlet holes 201 are also formed in the inner sleeve 2, and preferably distributed circumferentially around the inner sleeve 2.

[0072] The handle 101 is in the shape of T as a whole, which includes a connecting plate 1013 in the upper part and a grip 1014 in the lower part, the top surface of the connecting plate 1013 is designed as a circular arc surface 1011 which is fitted with the outer side surface of the lower half 102 of the outer sleeve 1, and the connecting plate 1013 is fixedly connected with the outer sleeve 1 by bolt connection after being fitted therewith. The trigger button 106 is arranged at the connection between the connecting plate 1013 and the grip 1014, and the bottom of the lower half 102 and the bottom of the connecting plate 1013 are respectively provided with a wire hole 1023 and a wire passing hole 1012 which are connected with each other, and the wire hole 1023 and the wire passing hole 1012 are used for the wiring of the electric wire connected between the trigger button 106 and the circuit board. The outer side surface of the grip 1014 is designed as an arc shape, which is convenient for hand holding. The inside of the grip 1014 is hollowed out or provided with a through hole so as to reduce the weight.

[0073] The working principle of the device is as follows: the initial state of the device is that the compression spring is in a pre-compressed state, when the vibration probe 208 is inserted into the to-be-measured position of the damping platform, the rear end surface of the front sleeve 210 is abutted to the front end surface of the rear sleeve 212, the transmission shaft 214 is translated backward and triggers the inductive sensor, the inductive sensor sends a signal to the single-chip circuit board, the single-chip circuit board drives and triggers the indicator light 108 to flicker, at this time, the trigger button 106 can be pulled to the open position, the exciting coil 202 is driven to drive the power output of the iron core 203, the iron core 203 reciprocates along the transmission shaft 214 and repeatedly impacts the front sleeve 210 (the reciprocating movement of the iron core 203 is similar to the working principle of a linear motor, and the transmission shaft 214 plays a guiding role at this time), the output force is transmitted to the vibration probe 208 through the output shaft 205, and the buffer pad 206 plays a buffering role on the impact force, so that the vibration probe 208 continuously provides power, and the vibration source simulation is realized.

[0074] The device can realize single-point or multi-point testing and evaluation of the damping platform, and the configured micro-distance sensor 209 can accurately feedback the impedance variable, so as to drive the power output of the iron core 203 by the exciting coil 202, thereby ensuring that the vibration probe 208 provides persistent and stable vibration according to the set amount.

[0075] The device is a one-piece handheld type, through the vibration probe 208 light touch damping platform test point, trigger internal induction sensor, after the indicator light 108 flicker, hand end pull the trigger button 106, vibration probe 208 can continuously force, produce the required vibration source, the device is provided with gear switch 107, can realize the output force of multiple gears, the device is provided with bar code display screen, can display real-time running information and fault information, the device is provided with single-chip circuit board, which integrates software algorithm, program logic, electrical control and other related technologies, the power supply is plug-in type, to provide durable and stable power input, at the same time, according to the application requirement, different materials and shapes of multi-specification probes can be provided.

[0076] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

[0077] In addition, those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means that it is within the scope of the present application and forms different embodiments. For example, in the above claims, any one of the claimed embodiments can be used in any combination. The information disclosed in the background section is only intended to deepen the understanding of the overall background of the present application, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art.

[0078] Although embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0079] The above description is only the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A handheld vibration source simulation device, characterized in that, It includes an outer sleeve (1), an inner bushing (2), a handle (101), a vibration mechanism, a vibration probe (208), a control unit (104), a sensing module (105), a macro sensor (209), and a fan (109). The outer sleeve (1) includes a detachably connected upper half (103) and a lower half (102). The upper half (103) has an exhaust port (1031). The fan (109) and the control unit (104) are arranged inside the outer sleeve (1). The fan (109) is arranged correspondingly to the exhaust port (1031). A retaining sleeve (207) is fixedly installed on the inner side of the front end of the inner bushing (2). A pressure cap (204) is provided at the rear port of the inner bushing (2). The pressure cap (204) has an air outlet (2042). The vibration probe (208) is provided at the front end of the inner bushing (2), and the vibration mechanism is provided inside the inner bushing (2); the vibration mechanism includes a drive shaft (214), an iron core (203), a coil (202), a rear bushing (212), an elastic element (211), a front bushing (210), an output shaft (205), and a shaft baffle (215); the drive shaft (214) is provided through the pressure cap (204) and is coaxial with the inner bushing (2), and the drive shaft (214) is located outside the inner bushing (2) and inside the inner bushing (2). The iron core (203) and the rear axle sleeve (212) are installed, the iron core (203) and the rear axle sleeve (212) are fixedly connected, and the rear axle sleeve (212) is located at the front end of the iron core (203). The coil (202) is arranged on the outside of the iron core (203) and the rear axle sleeve (212), and the coil (202) is electrically connected to the control unit (104). The front axle sleeve (210) is installed on the outside of the front end of the drive shaft (214), and the rear axle sleeve (212) and the front axle sleeve (210) are connected by a... The elastic element (211) is connected, the front end of the front bushing (210) is connected to the output shaft (205), the output shaft (205) passes through the front port of the inner bushing (2) and the retaining sleeve (207) and is slidably connected to the retaining sleeve (207), the outer wall of the output shaft (205) is provided with a groove, the micro sensor (209) is installed in the groove, the front end of the output shaft (205) is fixedly connected to the rear end of the vibration probe (208); the rear end of the transmission shaft (214) is provided with the shaft baffle (215). The sensing module (105) is disposed inside the outer sleeve (1) and electrically connected to the control unit (104). The sensing module (105) is correspondingly disposed with the shaft baffle (215) and is used to sense the shaft baffle (215). The front end of the vibration probe (208) is located on the front side of the inner bushing (2), and the handle (101) is fixedly installed on the outer side of the outer sleeve (1). The handle (101) is provided with a trigger button (106) electrically connected to the control unit (104). The trigger button (106) has an on and an off position, which are used to start and stop the vibration mechanism, respectively.

2. The handheld vibration source simulation device according to claim 1, characterized in that, The sensing module (105) is a sensing sensor.

3. The handheld vibration source simulation device according to claim 1, characterized in that, The outer sleeve (1) is provided with a gear switch (107) and an indicator light (108), and the gear switch (107) and the indicator light (108) are both electrically connected to the control unit (104); The indicator light (108) can indicate whether the sensing module (105) has sensed the shaft baffle (215). The gear switch (107) has multiple gears for switching the vibration level of the vibration mechanism.

4. The handheld vibration source simulation device according to claim 1, characterized in that, The outer sleeve (1) is also provided with a display screen (110), which is electrically connected to the control unit (104) to display the operation information and fault information of the vibration mechanism.

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