Resonance test device

Abstract

The utility model relates to the field of test equipment, in particular to a resonance test device, which comprises two tuning fork units, a knocking unit and an identification unit, each tuning fork unit comprises a base, and a test tuning fork is arranged on the base; the test tuning fork is detachably connected to the base; an identification unit is arranged on the base of one tuning fork unit; the identification unit comprises a support frame arranged on the base, and the support frame is connected with a detection ball through a connecting rope; the detection ball is attached to the adjacent test tuning fork; the knocking unit comprises a knocking hammer for knocking the test tuning fork; according to the utility model, through cooperation of the tuning fork unit, the knocking unit and the identification unit, demonstration of a resonance test can be realized; meanwhile, the test tuning fork and the base are designed to be in a detachable connection mode, so that the resonance test device is convenient to disassemble and assemble, and subsequent folding, unfolding, transferring and using of the resonance test device are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test equipment field, and specifically is a resonance test device. BACKGROUND

[0002] Resonance phenomenon is an important concept in physics, widely used in physics teaching and experimental research.

[0003] Traditional resonance test device usually uses tuning fork as vibration source, makes it vibrate by knocking tuning fork, and then observes whether other objects produce resonance.

[0004] However, the existing device has some deficiencies in actual use.

[0005] For example, the structure of part of the device is complex, inconvenient to operate, and difficult to quickly demonstrate teaching experiment or record data.

[0006] In addition, the tuning fork fixing mode of some devices is not flexible enough, and different frequency tuning forks cannot be quickly replaced according to experimental requirements.

[0007] Some devices occupy a larger space when not in use, which is inconvenient to store and transfer.

[0008] The existing patent CN217506754U - demonstration device based on forced vibration and resonance phenomenon can realize the demonstration of resonance phenomenon, but the overall structure is too complex, and the overall size is too large, which is not conducive to subsequent folding and unfolding.

[0009] Therefore, in order to improve or solve at least one of the above problems, a new resonance test device is needed. UTILITY MODEL CONTENT

[0010] The utility model aims at providing a resonance test device which can be disassembled.

[0011] In order to achieve the above purpose, the utility model adopts the technical scheme of:

[0012] A resonance test device, comprising two tuning fork units, a knocking unit and a marking unit;

[0013] Each of the tuning fork units comprises a base, and a test tuning fork is arranged on the base; the test tuning fork is connected to the base by a detachable connection mode;

[0014] A marking unit is arranged on the base of one of the tuning fork units;

[0015] The marking unit comprises a support frame arranged on the base, and a detection ball is connected to the support frame by a connecting rope; the detection ball is arranged in close contact with the adjacent test tuning fork;

[0016] The knocking unit comprises a knocking hammer for knocking the test tuning fork.

[0017] The test tuning fork is connected with the base through a connecting part, the connecting part comprises a threaded hole arranged on the base and an external thread arranged on the test tuning fork; the test tuning fork comprises a U-shaped prong and a metal handle connected with the U-shaped prong; the metal handle is provided with the external thread at an end close to the base.

[0018] The support frame is inserted on the base of the tuning fork unit, the support frame is connected with the base through an insertion part, the insertion part comprises an insertion hole arranged on the base; the support frame is inserted in the insertion hole.

[0019] The support frame comprises a longitudinal support frame and a transverse support frame, the transverse support frame is arranged perpendicularly to the longitudinal support frame.

[0020] The transverse support frame is connected with the longitudinal support frame through an adjusting part, the adjusting part comprises a through hole arranged on the longitudinal support frame, the transverse support frame is arranged through the longitudinal support frame through the through hole; the longitudinal support frame is provided with a jacking bolt, the jacking bolt extends into the through hole and jacks up on the transverse support frame.

[0021] The longitudinal support frame is a telescopic support frame.

[0022] The knocking unit further comprises a swinging mechanism; the swinging mechanism comprises a swinging rod arranged on the base, the knocking hammer is connected with the swinging rod through a rotating part; the rotating part comprises a rotating sleeve arranged at the tail of the knocking hammer; the knocking hammer is sleeved on the swinging rod through the rotating sleeve; the knocking hammer can rotate around the central axis of the swinging rod.

[0023] The swinging rod is provided with a limiting ring rib; the horizontal projection area of the limiting ring rib is greater than the area of the rotating sleeve.

[0024] The swinging rod is connected with the base through a detachable connecting mode; the swinging mechanism and the identification unit are arranged on one tuning fork unit respectively.

[0025] The base is provided with a storage groove for storing the test tuning fork on the side surface, and a rubber layer is arranged on the inner wall of the storage groove.

[0026] The base is internally hollow to form a storage cavity.

[0027] The utility model discloses the advantages are in:

[0028] The utility model discloses a resonance test device.

[0029] The utility model discloses through the cooperation of tuning fork unit, knocking unit and identification unit, can realize the demonstration of resonance test, and the convenient teacher teaching demonstration.

[0030] Meanwhile, the utility model test tuning fork and base design into the detachable connection mode, the convenient resonance test device dismounting, so convenient follow-up resonance test device's storage, shift and use. BRIEF DESCRIPTION OF DRAWINGS

[0031] The following is a brief description of the content expressed by each figure of the utility model specification and the marks in the figure:

[0032] Figure 1 It is the basic structure schematic view of the utility model.

[0033] Figure 2 It is the structure schematic view of the support frame optimized in the utility model.

[0034] Figure 3 It is the structure schematic view of the storage groove in the utility model.

[0035] Figure 4 It is the structure schematic view of the swing mechanism in the utility model.

[0036] Figure 5 It is the side view of the tuning fork unit in the utility model and is provided with the swing mechanism.

[0037] Figure 6 It is the sectional view of the base in the utility model.

[0038] Figure 7 It is the structure schematic view of the test tuning fork in the utility model.

[0039] The marks in the above figure are:

[0040] 101, tuning fork unit, 102, identification unit, 103, knocking unit;

[0041] 1, base, 2, test tuning fork, 3, knocking hammer, 4, detection ball, 5, support frame, 6, connecting rope;

[0042] 11, storage groove, 12, rubber layer, 13, storage cavity, 14, threaded hole, 15, plug-in hole;

[0043] 51, longitudinal support, 51, transverse support, 511, outer tube, 512, inner tube;

[0044] 31, swing rod, 32, rotating sleeve, 33, limiting ring rib. DETAILED DESCRIPTION

[0045] The following is a brief description of the content expressed by each figure of the utility model specification and the marks in the figure:

[0046] The utility model discloses a resonance test device, including two tuning fork units 101, knock unit 103 and identification unit 102, the utility model discloses a resonance test demonstration can be realized through the cooperation of tuning fork unit 101, knock unit 103 and identification unit 102, and it is convenient for teacher teaching demonstration.

[0047] The utility model discloses a resonance test device mainly includes two tuning fork units 101, knock unit 103 and identification unit 102, two tuning fork units 101 are generally independently arranged, and the tuning fork unit 101 is the core component of resonance test device, and it is mainly used to produce vibration signal.

[0048] And the function of knock unit 103 knock unit 103 is to excite the vibration of tuning fork.

[0049] Identification unit 102, the function of identification unit 102 is to detect and identify the vibration state of tuning fork.

[0050] When using, one tuning fork unit 101 is placed on the desktop, and the other tuning fork unit 101 can be held by the operator, one tuning fork unit 101 is knocked through knock unit 103, and the vibration condition of detection ball 4 is observed, and the vibration state of tuning fork can be directly judged.

[0051] Another tuning fork is observed whether resonance is produced through knocking the tuning fork and making it vibrate.

[0052] Resonance refers to the phenomenon that when the vibration frequency of one object matches the natural frequency of another object, the latter will vibrate due to energy transmission.

[0053] The design of identification unit 102 enables the experimenter to directly observe the vibration condition of tuning fork, and the experimental results are convenient for recording and analyzing.

[0054] Specifically, in the utility model, each tuning fork unit 101 includes a base 1, and a test tuning fork 2 is arranged on the base 1, the test tuning fork 2 is connected to the base 1 in a detachable manner, the base 1 is used for fixing the test tuning fork 2 and providing stable support, the test tuning fork 2 is a key component for generating vibration, and the test tuning fork 2 can generate vibration of a specific frequency through knocking.

[0055] The detachable connection mode is that the tuning fork is installed on the base 1 in a detachable manner (such as threaded connection, plug-in connection, etc.), so that different frequency tuning forks can be replaced to adapt to different experimental requirements.

[0056] In addition, the utility model discloses a label unit 102 is equipped on the base 1 of one of the tuning fork units 101, the label unit 102 includes the support frame 5 of setting on the base 1, the support frame 5 is connected with detection ball 4 through connecting rope 6, detection ball 4 is arranged with adjacent test tuning fork 2 and is pasted, support frame 5: for fixed detection ball 4 or other detection device, detection ball 4: detection ball 4 is arranged with tuning fork and is pasted, when tuning fork vibrates, detection ball 4 will vibrate or move along with it, can directly judge the vibration state of tuning fork through the vibration condition of observation detection ball 4, detection ball 4 can select ping-pong ball.

[0057] Connecting rope 6: connecting rope 6 is used for fixing detection ball 4 on support frame 5, and ensures the stable contact of detection ball 4 and tuning fork.

[0058] In the utility model, the knocking unit 103 includes the knocking hammer 3 for knocking test tuning fork 2, the knocking hammer 3: for knocking test tuning fork 2, makes it produce vibration, the material and shape of knocking hammer 3 can influence the vibration intensity and frequency of tuning fork, and specifically can be selected according to design needs, when using, can also be knocked by the rotation of knocking hammer 3 by the cooperation of the swing mechanism of the following text by operating personnel hand-held knock.

[0059] The resonance test device disclosed in the utility model is widely applied in physical teaching and experimental research, and is used for demonstrating and researching the following contents:

[0060] Resonance phenomenon: the resonance phenomenon between tuning forks is observed, and the principle and condition of resonance are understood.

[0061] Vibration frequency: by replacing tuning forks of different frequencies, the influence of vibration frequency on resonance is studied.

[0062] Energy transmission: the vibration condition of detection ball 4 is observed, and the transmission process of vibration energy is studied.

[0063] Further, the test tuning fork 2 is connected with the base 1 through the connecting portion in the utility model, the connecting portion includes the threaded hole 14 arranged on the base 1 and the external thread arranged on the test tuning fork 2, the test tuning fork 2 includes the U-shaped prong 22 and the metal handle 21 connected on the U-shaped prong 22, the metal handle 21 is provided with the external thread near one end of the base 1, and the test tuning fork 2 is connected with the base 1 through the setting of the connecting portion in the utility model.

[0064] Meanwhile, the test tuning fork 2 can be firmly installed on the base 1 through the design of the connecting portion, and is convenient to disassemble and replace.

[0065] Threaded hole 14 on base 1: The base 1 is provided with a threaded hole 14 for matching with the external thread of the test tuning fork 2; External thread on test tuning fork 2: The metal handle 21 of the test tuning fork 2 is provided with an external thread at one end close to the base 1, which matches with the threaded hole 14 of the base 1; Based on this design, the base 1 and the corresponding test tuning fork 2 have detachability: the threaded connection mode makes the test tuning fork 2 can be conveniently installed and disassembled, and it is convenient to replace the tuning fork of different frequency or carry out test.

[0066] At the same time, the threaded connection mode can change the orientation of the test tuning fork 2 on the base 1 as needed, which is convenient for the observer to observe and the operator to strike during actual use, and also facilitates the use of the identification unit 102.

[0067] In addition, in the utility model, the main part of the test tuning fork 2 is the U-shaped prong 22, which is the main area of the tuning fork vibration; The shape and size of the U-shaped prong 22 determine the vibration frequency of the tuning fork.

[0068] Vibration principle: When the test tuning fork 2 is struck, the U-shaped prong 22 will vibrate and propagate sound waves at a specific frequency.

[0069] Metal handle 21: The U-shaped prong 22 is connected with the base 1 through the metal handle 21; The metal handle 21 is used to fix the tuning fork on the base 1, and the metal is generally connected in the middle region of the U-shaped prong 22.

[0070] The end of the metal handle 21 close to the base 1 is provided with an external thread for matching with the threaded hole 14 of the base 1, realizing the installation and fixation of the tuning fork.

[0071] Through the above design, the test tuning fork 2 is connected on the base 1 through the threaded connection, and the tuning fork unit 101 can be combined with other components (such as the striking unit 103 and the identification unit 102) to form a complete resonance test device.

[0072] In actual use, the flexibility of the resonance device can be ensured: the user can replace the tuning fork of different frequency according to the experimental requirements, and carry out diversified experiments.

[0073] Further, in the utility model, the support frame 5 is inserted on the base 1 of the tuning fork unit 101, the support frame 5 is connected with the base 1 through the insertion part, the insertion part includes the insertion hole 15 arranged on the base 1; The support frame 5 is inserted in the insertion hole 15; Based on the above design, it can be known that the connection mode of the support frame 5 and the base 1 of the utility model is insertion connection: the support frame 5 is connected with the base 1 through the insertion mode; This connection mode is simple, fast and convenient for disassembly and installation.

[0074] In the utility model, the plug-in part mainly comprises a plug-in hole 15 on the base 1: the base 1 is provided with the plug-in hole 15, which is a fixing point for the insertion of the support frame 5; the support frame 5 and the plug-in hole 15 can be connected in an interference fit mode.

[0075] Meanwhile, in the utility model, the lower end of the support frame 5 is designed as a plug-in end, which can be inserted into the plug-in hole 15 of the base 1.

[0076] The utility model discloses a plug-in part, which can realize the quick installation and disassembly of the support frame 5 on the base 1: the plug-in mode enables the support frame 5 to be quickly installed on the base 1 of the tuning fork unit 101, and facilitates disassembly, thereby facilitating experimental operation and equipment maintenance; meanwhile, the utility model has good flexibility: through the plug-in mode, the support frame 5 can be adjusted in position or replaced with different support frames 5 as required, so as to adapt to different experimental requirements.

[0077] In the utility model, the support frame 5 is mainly used for suspending the detection ball 4: the main function of the support frame 5 is to suspend the detection ball 4, so that the detection ball 4 can be arranged in close contact with the tuning fork and used for detecting the vibration condition of the tuning fork.

[0078] In addition, in the utility model, the vibration detection is adjusted: by adjusting the position of the support frame 5, the contact state between the detection ball 4 and the tuning fork can be changed, thereby optimizing the effect of vibration detection.

[0079] Further, in the utility model, the support frame 5 comprises a longitudinal support 51 and a transverse support 52, and the transverse support 52 is arranged perpendicularly to the longitudinal support 51; based on the above design, the support frame 5 forms an inverted L-shaped structure, which facilitates the subsequent suspension of the detection ball 4; meanwhile, the arrangement of the support frame 5 on the base 1 is also facilitated.

[0080] Meanwhile, in the utility model, the transverse support 52 is connected with the longitudinal support 51 through an adjusting part; the adjusting part facilitates the connection of the transverse support 52 with the longitudinal support 51, and also enables the transverse support 52 to move transversely on the longitudinal support 51.

[0081] In actual arrangement, the longitudinal support 51 is arranged along the vertical direction, and the transverse support 52 is arranged along the horizontal direction; the transverse support 52 suspends the detection ball 4 through a connecting rope 6.

[0082] The adjusting part comprises a through hole arranged on the longitudinal support 51, and the transverse support 52 is arranged by penetrating the longitudinal support 51 through the through hole; based on the design, the transverse support 52 is plugged on the longitudinal support 51, and the through hole also has a good limiting effect, which facilitates the subsequent cooperation of the jacking bolt 53 to realize the stable arrangement of the transverse support 52 on the longitudinal support 51.

[0083] The longitudinal support 51 is provided with a jacking bolt 53, the jacking bolt 53 extends into the through hole and jacks up on the transverse support 52; the jacking bolt 53 is equivalent to being arranged on the side of the transverse support 52, and the transverse support 52 is jacked up, and the through hole is matched to realize the stable arrangement of the transverse support 52 in the through hole.

[0084] The longitudinal support 51 in the utility model is a main part of the support frame 5 and plays a supporting and heightening role.

[0085] The longitudinal support 51 is usually a vertical rod for providing a main supporting force.

[0086] The transverse support 52 is arranged perpendicularly to the longitudinal support 51 and is used for suspending the detection ball 4; the transverse support 52 is usually a horizontal rod, and the position thereof can be adjusted through the adjusting part.

[0087] In the utility model, the adjusting part is designed; the longitudinal support 51 is provided with a through hole, and the transverse support 52 penetrates the longitudinal support 51 through the through hole; this design allows the transverse support 52 to slide on the longitudinal support 51, so that the position of the transverse support 52 is adjusted, and finally the position of the detection ball 4 is adjusted.

[0088] The jacking bolt 53 is arranged on the longitudinal support 51 and extends into the through hole and jacks up on the transverse support 52; based on this design, it can be known that the jacking bolt 53 of the utility model is connected with the longitudinal support 51 through threads, and the position of the transverse support 52 can be fixed or released by tightening or loosening the jacking bolt 53 during subsequent use.

[0089] The adjusting principle is that when the position of the transverse support 52 needs to be adjusted, the jacking bolt 53 is loosened first; at this time, the transverse support 52 can slide freely in the through hole of the longitudinal support 51; according to experimental requirements, the transverse support 52 is slid to a suitable position; after the transverse support 52 is adjusted to the suitable position, the jacking bolt 53 is tightened, so that the jacking bolt 53 jacks up on the transverse support 52, thereby fixing the position of the transverse support 52.

[0090] The position of the transverse support 52 can be flexibly adjusted according to experimental requirements through the design of the adjusting part, and the applicability and versatility of the device are increased.

[0091] Meanwhile, the adjusting part can be arranged to realize the disassembly of the transverse support 52 and the longitudinal support 51, so that the subsequent resonance device can be conveniently stored.

[0092] Further, in the utility model, the longitudinal support 51 is telescopic support, the longitudinal support 51 of the utility model adopts telescopic support, and it has telescopic function: such setting can adjust the longitudinal height of detection ball 4 as required, so that detection ball 4 can match a variety of height test tuning fork 2, thereby the application range of the utility model can be improved.

[0093] The longitudinal support 51 can be designed as an inner tube 512 and an outer tube structure in a conventional design, the inner tube 512 is a telescopic part and can move in the outer tube 511, the outer tube 511 is a fixed part, and the inner tube 512 can move therein to realize telescopic function; the inner tube 512 and the outer tube can be connected by screw threads.

[0094] The telescopic support has the following advantages: the height of the support frame 5 is adjustable; the telescopic design enables the height of the longitudinal support 51 to be flexibly adjusted according to experimental requirements; for example, the vertical distance between the detection ball 4 and the tuning fork can be adjusted to optimize the vibration detection effect; different experimental conditions can be adapted to; different experiments may require support frames 5 of different heights; the telescopic support can adapt to various experimental scenarios, increasing the versatility of the device; space is saved; when not in use, the longitudinal support 51 can be retracted to the shortest state, saving storage space.

[0095] Further, in the utility model, the knocking unit 103 further includes a swing mechanism; the swing mechanism includes a swing rod 31 arranged on the base 1, and the knocking hammer 3 is connected to the swing rod 31 through a rotating part; the rotating part includes a rotating sleeve 32 arranged at the tail of the knocking hammer 3; the knocking hammer 3 is sleeved on the swing rod 31 through the rotating sleeve 32; the knocking hammer 3 can rotate around the central axis of the swing rod 31; in the utility model, the arrangement of the swing mechanism facilitates the arrangement and placement of the knocking hammer 3, liberates the hands of the operator, and reduces the problem of hand occupation of the operator.

[0096] In the utility model, the swing rod 31 is the main part of the swing mechanism and is fixed on the base 1; the two can be connected through a structure similar to the above-mentioned connecting part, that is, the swing rod 31 also requires to be designed as a detachable structure with the base 1, and the swing rod 31 provides a height-raising fulcrum for the knocking hammer 3; in subsequent use, the knocking hammer 3 is rotated by being poked, so that the knocking hammer 3 can rotate around the central axis of the swing rod 31; thereby the knocking hammer 3 can impact the corresponding test tuning fork 2.

[0097] Knocking hammer 3: the knocking hammer 3 is a component for knocking the test tuning fork and is connected to the swing rod 31 through a rotating part; the shape and material of the knocking hammer 3 are selected according to actual design requirements.

[0098] Meanwhile, the rotating part is a connecting part between the knocking hammer 3 and the swing rod 31, comprising a rotating sleeve 32 arranged at the tail of the knocking hammer 3; the rotating sleeve 32 is sleeved on the swing rod 31, so that the knocking hammer 3 can rotate around the central axis of the swing rod 31; the rotating sleeve 32 is a connecting part between the knocking hammer 3 and the swing rod 31; it allows the knocking hammer 3 to rotate freely on the swing rod 31, thereby realizing the knocking action; through the rotation of the knocking hammer 3 on the swing rod 31, the knocking hammer 3 can rotate around the central axis of the swing rod 31; when the swing rod 31 swings to a certain angle, the knocking hammer 3 will knock the test tuning fork 2, so that the test tuning fork 2 vibrates; based on the above design, the knocking hammer 3 can be conveniently arranged and placed, the hands of the operator are freed, and the problem of hand occupation of the operator is reduced.

[0099] Further, the swing rod 31 is provided with a limiting ring rib 33; the horizontal projection area of the limiting ring rib 33 is greater than the area of the rotating sleeve 32; the limiting ring rib 33 is essentially a protrusion arranged on the swing rod 31, which realizes the support of the rotating sleeve 32 and facilitates the limitation of the position of the knocking hammer 3 on the swing rod 31.

[0100] In the utility model, the limiting ring rib 33 is arranged on the swing rod 31 and is usually located below the rotating sleeve 32; the limiting ring rib 33 is an annular protrusion, and the horizontal projection area thereof is greater than the area of the rotating sleeve 32; the diameter of the limiting ring rib 33 is greater than the outer diameter of the rotating sleeve 32, so that the movement of the rotating sleeve 32 can be effectively limited; the limiting ring rib 33 is usually integrally formed with the swing rod 31 and is made of the same material as the swing rod 31; usually, the limiting ring rib 33 is metal.

[0101] The main function of the limiting ring rib 33 is to limit the height of the knocking hammer 3; the arrangement and placement of the knocking hammer 3 on the swing rod 31 are facilitated.

[0102] Further, in the utility model, the swing rod 31 is connected to the base 1 through a detachable connection mode; the detachable connection: this design enables the swing rod 31 to be quickly installed or detached as needed, facilitating maintenance, replacement or adjustment.

[0103] The detachable connection usually has the following common modes; threaded connection: the swing rod 31 is fixed to the base 1 through threads; this mode is simple and firm, and is suitable for scenes requiring frequent disassembly and assembly; plug-in connection: the swing rod 31 is fixed to the base 1 through plug-in connection; this mode usually needs to be matched with a locking device (such as a bolt or a buckle) to ensure the stability of the connection.

[0104] Further, the swing mechanism and the identification unit 102 are arranged on one tuning fork unit 101 respectively in the utility model; the utility model is designed with two tuning fork units 101, a swing mechanism is arranged on one tuning fork unit 101, and the other tuning fork unit 101 is arranged with the identification unit 102; the setting is that, in subsequent use, the knocking hammer 3 on the swing mechanism can knock the test tuning fork 2 on one tuning fork unit 101, and the other tuning fork unit 101 and the identification unit 102 can be used to detect the vibration condition of the corresponding test tuning fork 2, so as to facilitate observation and record the experimental results.

[0105] Further, the base 1 side is provided with the storage groove 11 for storing the test tuning fork 2; the utility model is convenient for storing the unused test tuning fork 2 by the setting of the storage groove 11, so that the base 1 has self-storage function; the risk of losing unused tuning forks is reduced; the main function of the storage groove 11 in the utility model is to store the test tuning fork 2, to avoid the test tuning fork 2 from scattering on the experiment table when not being used, so as to reduce the risk of damage to the test tuning fork 2, and make the experiment table more tidy and orderly.

[0106] The size of the storage groove 11 should match the size of the test tuning fork 2, and at least the storage groove 11 should be the same shape as the corresponding test tuning fork 2, and the size can be changed according to the need; in the utility model, it is required that the base 1 is provided with at least one storage groove 11 on both sides; such setting can realize that one base 1 is matched with two test tuning forks 2, and the parameters of the two test tuning forks 2 are different, so that it is convenient for subsequent use in resonance test.

[0107] The function of the rubber layer 12 is that the rubber layer 12 can prevent the tuning fork from directly contacting the inner wall of the storage groove 11, thereby reducing the damage of the test tuning fork 2 caused by collision or friction.

[0108] The rubber layer 12 has good buffering performance and can absorb the impact force generated when the test tuning fork 2 is put in or taken out.

[0109] Meanwhile, the rubber layer 12 has a good binding effect, can ensure the stability of the test tuning fork 2 placed in the storage groove 11, can prevent the test tuning fork 2 from sliding in the storage groove 11, and ensures that the test tuning fork 2 remains stable during storage.

[0110] Further, the base 1 is hollow inside to form a storage cavity 13 in the utility model; the storage cavity 13 is generally designed as a counterbore structure in the utility model, and it is required that the storage cavity 13 extends along the length direction of the base 1; such setting makes the inside of the base 1 hollow, and the main function of the storage cavity 13 is to provide additional storage space for storing related parts; the size of the storage cavity 13 should be designed according to the actual demand, to ensure that there is enough space to store the corresponding parts, such as the knocking hammer 3, the support frame 5, etc.

[0111] In summary, the resonance test device disclosed by the utility model can realize resonance test, and can be disassembled and stored when not in use, greatly reducing the occupied space of the resonance test device.

[0112] Obviously, the utility model is not limited by the above-mentioned mode in the specific implementation, and various non-substantial improvements made by adopting the method concept and technical scheme of the utility model are within the protection scope of the utility model.

Claims

1. A resonance testing device, characterized by, The device comprises two tuning fork units, a knocking unit and an identification unit. Each of the tuning fork units comprises a base, and a test tuning fork is arranged on the base in a detachable manner. An identification unit is arranged on the base of one of the tuning fork units. The identification unit comprises a support frame arranged on the base, and a detection ball is connected to the support frame by a connecting rope. The knocking unit comprises a knocking hammer for knocking the test tuning fork.

2. A resonance testing device according to claim 1, characterised in that The test tuning fork is connected to the base by a connecting part, and the connecting part comprises a threaded hole arranged on the base and an external thread arranged on the test tuning fork.

3. The resonance testing device of claim 1, wherein The test tuning fork comprises a U-shaped prong and a metal handle connected to the U-shaped prong, and the metal handle is provided with the external thread at an end close to the base.

4. A resonance testing device according to any one of claims 1 or 3, characterised in that, The support frame is inserted into the base of the tuning fork unit, and the support frame is connected to the base by an insertion part, and the insertion part comprises an insertion hole arranged on the base. The support frame comprises a longitudinal support frame and a transverse support frame, and the transverse support frame is arranged perpendicularly to the longitudinal support frame.

5. A resonance testing apparatus according to claim 4, wherein The transverse support frame is connected to the longitudinal support frame by an adjusting part, and the adjusting part comprises a through hole arranged on the longitudinal support frame, and the transverse support frame is arranged through the longitudinal support frame by the through hole.

6. The resonance testing device of claim 1, wherein The longitudinal support frame is a telescopic support frame.

7. A resonance testing apparatus according to claim 6, wherein The knocking unit further comprises a swinging mechanism, and the swinging mechanism comprises a swinging rod arranged on the base, and the knocking hammer is connected to the swinging rod by a rotating part.

8. A resonance testing apparatus according to claim 6, wherein The swinging rod is provided with a limiting ring rib, and the horizontal projection area of the limiting ring rib is greater than the area of the rotating sleeve.

9. The resonance testing apparatus of claim 1, wherein The swinging rod is connected to the base in a detachable manner, and the swinging mechanism and the identification unit are arranged on one of the tuning fork units.

10. The resonance testing apparatus of claim 1, wherein The base is provided with a storage groove for storing the test tuning fork on the side surface, and a rubber layer is arranged on the inner wall of the storage groove. The base is hollow inside to form a storage cavity.

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