TWM549343U - Composite cantilever type device measuring mechanical static and dynamic characteristics - Google Patents

Description

Composite cantilever type mechanical static and dynamic characteristic measuring device

This creation is about a composite cantilever mechanical static and dynamic characteristic measuring device, especially a static machine that can be used conveniently and more accurately to measure the length, weight and quality center point (center of gravity) of the swinging exercise device. The characteristics, as well as the dynamic inertia oscillation period, can further improve the utility of the composite cantilever mechanical static and dynamic characteristic measuring device composite cantilever mechanical static and dynamic characteristic measuring device.

Press, golf clubs, baseball bats, cricket sticks, tennis rackets, badminton rackets, table tennis rackets, etc., such as swing sports equipment or propeller shafts, etc., in which the swing sports equipment is taken as an example, which mainly has a grip portion and In a ball striking portion, the user holds the grip portion to swing the exercise device to cause the ball striking portion to hit the ball and knock the ball out. The swing type sports apparatus has a certain length, and at least it is necessary to measure the length, weight, quality center point (center of gravity), rotation amount inertia, swing period, etc. of the swing type mechanical device in order to facilitate the shot. By measuring the above-mentioned various mechanical and related physical characteristics, on the one hand, the swing-type exercise device can conform to the exercise standard, and on the other hand, let the user understand the mechanical and related physics of the swing-type exercise device. The feature is to facilitate the user to swipe the better exercise effect.

As shown in FIG. 1 , the conventional swinging sports apparatus measuring device 1 includes a weighing frame 11 and a first weighing component 12 and a second weighing weight disposed on the weighing frame 11 . The first support portion 112 and the second support portion 113 are disposed on opposite sides of the abutment tab 111. The first support portion 112 is provided on the opposite side of the abutment tab 111. The lower end is seated on the first weighing member 12, and the lower end of the second supporting portion 113 is seated on the second weighing member 13.

As shown in FIG. 1 , by measuring the baseball bat B, the conventional volleyball device measuring device 1 is measured by placing the measured baseball bat B on the scale 11 . The bottom end of the grip of the baseball bat B abuts against the abutting tab 111 of the scale 11 , and the bat baseball B and the scale 11 are placed on the scale 11 in a parallel manner, wherein the first support The distance between the distances L1 and L2 between the portion 112 and the second support portion 113 must conform to the pitch specified by the International Baseball Code.

According to the above, when the distance between the first supporting portion 112 and the abutting tab 111 and the distance between the second supporting portion 113 and the first supporting portion 112 are in accordance with the spacing specified by the international baseball specification, The first weight 12 and the second weight 13 measure the resulting weight and the total weight of the baseball bat B. The length of the baseball bat B is measured by a ruler to measure the total length of the baseball bat B; the center point (center of gravity) of the bat baseball B is GB=(L1×W1+(L1+L2)×W2) The method of / (W1 + W2) is calculated; wherein L1 is the distance between the first supporting portion 112 and the abutting tab 111, and the distance L2 is the distance between the second supporting portion 113 and the first supporting portion 112. The W1 is the weight value measured by the first weighing weight 12, and the W2 is the weight value measured by the second weighing weight 13.

The conventional swing type exercise apparatus measuring device 1 is measured by the above-described configuration. When the exercise apparatus is different, the first support portion 112 and the second support portion 113 must be adjusted and displaced, and the measurer The first support portion and the second support portion must be measured first and the top The distance between the tabs (L1, L2), the measurer must calculate the total weight of the device under test (W1+W2) and the center point of the instrument to be tested (L1×W1+(L1+L2)×W2)/(W1+W2 Therefore, it is very inconvenient to measure the conventional swing type sports apparatus measuring device 1; at the same time, the above-described swing type sports apparatus measuring device 1 can only measure the static length and weight of the baseball bat B. , the center point of the mass (center of gravity), without measuring the inertial swing period of the baseball bat B, to know the mechanical characteristics of the rotational inertia of the baseball bat B, and to use another inertial oscillating period metric (Fig. The action is not measured in the formula, so it is more difficult to measure and complicate the measurement engineering.

Therefore, how to provide a composite cantilever type mechanical static and dynamic characteristic measuring device to improve the convenience of the measurement of the swing type sports equipment has been an urgent problem to be solved by the manufacturer of the swing type sports equipment measuring device.

The main purpose of this creation is to provide a composite cantilever mechanical static and dynamic characteristic measuring device, which is mainly intended to overcome the conventional swing-type sports equipment measuring device can not simultaneously measure the length, weight and quality center of the swing-type sports equipment. The mechanical characteristics of (center of gravity) and moment of inertia, etc., lead to the lack of measurement convenience.

To this end, the main technical means used in the first item of the present invention is to provide a composite cantilever type mechanical static and dynamic characteristic measuring device, the measuring device comprising: a base; a set on the base a weighing unit, the weighing unit includes at least a first weighing component and a second weighing component, the first weighing component and the second weighing component have a socket; and the weighting unit is disposed on the base And a digital scale unit located beside the weight unit; a scale unit that is disposed on the weight unit, the scale unit has a first scale, a second scale and a shelf In the first scale a connecting frame with the second scale; an end of the first scale is provided with an adjustable pressing portion, and a shielding member is disposed under the first weighing seat; the second weighing seat has a bearing rod One side of the connecting frame is provided with a spring piece, and one end of the spring piece is provided with a connecting block, one end of the connecting block is locked on the first scale, whereby the first scale can be mounted on the connecting frame Freely swinging horizontally, a bearing rod is arranged under the connecting frame, and the bearing rod of the connecting frame can be seated on the seat of the first weighing part, and the seat rod of the second weighing seat can be Sitting on the socket of the second weighing component; a computing and display unit disposed on one side of the base and electrically connected to the weighing component unit; one is disposed on the base and electrically connected The oscillating sensor of the computing unit and the display unit has a transmitting end and a receiving end, and the blocking component of the first scale is located between the transmitting end and the receiving end.

The effect that the present invention can achieve by the first technical means of the above request is that a weighing unit and a digital measuring unit are arranged on the base, and the weighing unit is provided with a weighing unit. In addition, the weighing unit is electrically connected to a calculation and display unit, thereby facilitating the measurement of three static mechanical characteristics such as length, weight, and quality center point (center of gravity), and dynamic inertial oscillation. The cycle, in turn, enhances the utility of the composite cantilever mechanical static and dynamic characteristic measuring device.

1‧‧‧Swinging sports equipment measuring device

11‧‧‧ scale rack

111‧‧‧Abut the top tab

112‧‧‧First support

113‧‧‧Second support

12‧‧‧First weighing parts

13‧‧‧Second weights

2‧‧‧Measurement device

3‧‧‧Base

31‧‧‧Support mats

32‧‧‧ Insert block

33‧‧‧stop column

4‧‧‧Weighing unit

41‧‧‧First weighing parts

411‧‧ ‧ socket

4111‧‧‧Sitting Department

42‧‧‧Second weights

421‧‧‧ 承座

4211‧‧‧Sitting Department

43‧‧‧ Third weighing weight

44‧‧‧Fourth weights

5‧‧‧Digital ruler unit

51‧‧‧Measuring tape

6‧‧‧Weighing unit

61‧‧‧First scale

611‧‧‧holding department

6111‧‧‧Retaining frame

6112‧‧‧Adjusting screw

6113‧‧‧ Holding parts

61131‧‧‧pressure holding surface

612‧‧‧ 断件

613‧‧‧ inserted holes

614‧‧‧ support

6141‧‧‧Support

62‧‧‧Second scale

621‧‧‧seat pole set

6211‧‧‧Carriage

6212‧‧‧ Seatpost

63‧‧‧Connecting frame

631‧‧ ‧ spring piece

632‧‧‧Link block

633‧‧‧Second scale connection

634‧‧‧ seatpost

7‧‧‧Computation and display unit

71‧‧‧ display

72‧‧‧ operation keys

8‧‧‧Swing sensor

81‧‧‧transmitter

82‧‧‧ Receiver

9‧‧‧ cover

91‧‧‧ level

92‧‧‧Long slot

B, B1‧‧‧ baseball bat

Figure 1 shows a conventional swing type sports apparatus measuring device.

Figure 2 is an exploded view of the creation measuring device.

Figure 3 is an exploded view of the scale unit of the creation measuring device.

Figure 4 is an exploded view of the connecting frame of the scale unit of the creation measuring device.

Figure 5 is a group diagram of the creation measuring device without a cover.

Figure 6 is a perspective view of the creation measuring device.

Figure 7 is an embodiment of the present creation measuring device.

Fig. 8 is a schematic diagram showing the swinging action of the first scale seat of the measuring device.

Figure 10 is a schematic diagram of the inertial swing period of the measurement measuring device.

Figure 11 is an embodiment in which the creation measuring device is provided with a three-weighing unit.

Figure 12 is a schematic diagram of the measurement method for setting the three-weighing heavy-weight unit of the creation measuring device.

Fig. 13 is an embodiment of the four weighing unit provided by the creation measuring device.

Figure 14 is a schematic diagram of the measurement method for setting the four-weighing weight unit of the creation measuring device.

In order to make it easier for your review function to understand the structure of the creation and the effect it can achieve, please refer to the following description: First, please refer to Figure 2, Figure 5 and Figure 7. The composite cantilever mechanical static of this creation The dynamic characteristic measuring device comprises a base 3, a weighing unit 4 disposed on the base 3, a set on the base 3 and located beside the weighing unit 4 a digital scale unit 5, a scale unit 6 disposed on the weight unit 4, a calculation and display unit disposed on one side of the base 3 and electrically connected to the weight unit 4. 7. A swing sensor 8 disposed on the base 3 and electrically connected to the computing and display unit 7, and a cover 9 disposed on the base 3.

As shown in FIG. 2, FIG. 5, FIG. 6 and FIG. 7, the base 3 is a long rectangular body, and the four bases of the base 3 are provided with adjustable support pads 31, and the base is adjusted by the support pads 31. The horizontality of the seat 3; one side of the base 3 is provided with two insertion blocks 32 along the long axis, and the insertion block 32 can be inserted into the digital scale unit 5, that is, the digital scale unit 5 can be inserted in the block 32 is freely slipped; the base 3 is provided with a weight unit 4 along the long axis of the side of the insertion block 32. The base 3 is provided with a plurality of stop posts 33, the stop posts 33 It is located in the vicinity of the set weighing unit 4.

As shown in FIG. 2, FIG. 5 and FIG. 7, the weight unit 4 is disposed at the center of the base 3. The weight unit 4 includes a first weight 41 and a second weight 42. The first weighing component 41 and the second weighing component 42 are electronic scales, and the first weighing component 41 and the second weighing component 42 are electrically connected to the computing and display unit 7 , whereby the first weighing weight The weight value measured by the member 41 and the second weighing member 42 can be displayed on the calculating and displaying unit 7; the first weighing member 41 is provided with a socket 411 having a V-shaped bearing at the upper end thereof. The seat 4111 has a socket 421 on the second weighing member 42. The upper end of the socket 421 has a V-shaped seating portion 4211.

As shown in FIG. 2, FIG. 5, FIG. 6 and FIG. 7, the digital scale unit 5 is inserted into the insertion block 32 of the base 3, and can be freely slipped on the insertion block 32 to measure the length. The end of the digital ruler unit 5 is provided with a gauge abutment piece 51.

As shown in Figure 2, 3, 4, 5, 6, and 7, the scale unit 6 is seated on the weight unit 4; the scale unit 6 has a first scale 61 and a second scale. a seat 62 and a connecting frame 63 connected between the first scale 61 and the second scale 62; one end of the first scale 61 is provided with an adjustable pressing portion 611, the pressing portion 611 has A fixing frame 6111, an adjusting screw 6112 and a pressing member 6113, the adjusting screw 6112 is screwed on the fixing frame 6111, and the lower end of the adjusting screw 6112 is coupled to the pressing member 6113, and the bottom of the pressing member 6113 The end of the first scale 61 is disposed adjacent to the other side of the pressing portion 611 to provide a blocking member 612. The other side of the first scale 61 away from the pressing portion 611 is provided with an insertion hole 613. The insertion hole 613 is provided with a support base 614. The upper end of the support base 614 has a V-shaped support portion 6141.

As shown in FIG. 2, 3, 5, 6, and 7, the second scale 62 is disposed at an end side away from the first scale 61. A socket set 621 is provided. The socket set 621 has a seat member. And a retaining rod 6212 that is inserted into the retaining member 6211. The retaining member 6211 is locked on the side of the second scale 62 toward the base 3; the retaining rod 6212 can be seated. On the socket 421 of the second weighing member 42.

As shown in FIG. 2, 3, 4, 5, and 7, the connecting frame 63 is a truss frame having one end connected to the other end of the first scale 61 and connected to the second scale 62. The connecting frame 63 is disposed on the side of the first scale 61. The spring piece 631 is provided with a connecting block 632 at one end thereof. One end of the connecting block 632 is locked on the first scale 61. The first scale 61 can swing freely on the connecting frame 63, that is, the first scale 61 is connected to the connecting frame 63 in a cantilever condition. More specifically, the first scale 61 is The connecting frame 63 receives a horizontal thrust or pulling force, so that the horizontal force can be generated by the elastic force of the spring piece 631; the connecting frame 63 is provided with a second scale at the other end of the connecting block 632. The second base 62 is connected to the second base 62, and the first scale 61 is coupled to the connecting block 632, and the second scale 62 is coupled to the first base 62. After the two scale joints 633 are formed, the first scale 61 and the second scale 62 can form a complete scale unit 6, and the first scale 61 may be swingably; a lower side of the connecting frame 63 is provided with a through-seat lever 634, the rod seat 634 may be based seated on the first seat 411 weighing 41; when the connections The socket rod 634 of the frame 63 is seated on the socket 411 of the first weighting member 41. The socket rod 6212 of the second scale seat 62 is seated on the socket 421 of the second weighing member 42. After the upper portion, the scale unit 6 is covered on the weighing unit 4 and is spaced from the base 3 by a certain interval.

As shown in FIG. 2, FIG. 5, FIG. 6 and FIG. 7, the calculation and display unit 7 is disposed on one side of the base 3. More specifically, the calculation and display unit 7 is disposed on the base 3 to set the digital quantity. The calculation unit and the display unit 7 have a display 71 and a plurality of operation keys 72. The calculation and display unit 7 is electrically connected to the weight unit 4 and the swing sensor 8 . The weight value measured by the weight unit 4 and the swing period measured by the swing sensor 8 are calculated and displayed on the display 71, thereby calculating the measured swing motion. The weight of the appliance, the center point of the mass (center of gravity), and the dynamic mechanical characteristic moment of inertia derived from the swing period, the elastic modulus of the spring piece 631, etc.; the operation key 72 controls the calculation and calculation of the calculation and display unit 7 Show action or not.

As shown in FIG. 2, FIG. 5 and FIG. 7, the swing sensor 8 is disposed on the base 3 and is located below the first scale 61 of the scale unit 6, and the swing sensor 8 has an emission. The blocking member 612 of the first scale 61 is located between the transmitting end 81 and the receiving end 82 of the swing sensor 8 by the end 81 and a receiving end 82, whereby when the first scale 61 swings The blocking member 612 is oscillated in synchronization with the first scale 61, thereby generating an interrupting effect between the transmitting end 81 and the receiving end 82 of the swing sensor 8, thereby enabling the swinging feeling The detector 8 counts the number and time of the occlusion and transmits the message to the electrically connected display 71. (I is the positional moment of inertia with respect to the spring piece 631, K is the spring constant of the spring piece 631), and the inertia oscillation period of the measured object is calculated and displayed; the swing sensor 8 of the present invention is implemented with a laser The laser light sensor of the transmitting and receiving detection system is implemented to improve the accuracy of the measurement by the swing sensor 8.

As shown in FIG. 2, FIG. 5, FIG. 6 and FIG. 7, the cover body 9 is covered on the base 3, whereby the weight unit 4, the scale unit 6, the swing sensor 8 and the digit can be A majority of the measuring unit 5 is covered; a level 91 is provided on the cover 9, and the level of the base 3 is ensured by the level 91; the cover 9 has a long slot 92 near the center, which is long. The slot 92 allows the scale unit 6 to protrude outside the cover 9.

As shown in FIG. 5, 6, 7, 8, 9, and 10, the implementation of the present creation is similarly illustrated by measuring the swinging sports apparatus of the baseball bat B1. First, the support base 614 of the weighing unit 6 is used. Inserted on the insertion hole 613, that is, the distance between the support base 614 and the pressing portion 611 is in accordance with the grip distance specification of the international baseball bat, and the bat baseball B1 is placed on the support of the scale unit 6. The bottom of the baseball bat B1 is abutted against the fixing frame 6111 of the pressing portion 611 of the weighing unit 611, and the pressing member 6113 is pressed by the adjusting screw 6112 of the pressing portion 611. It is disposed above the bottom of the baseball bat B1, and further presses the screw 6112 to continuously press the pressing member 6113 on the bottom of the baseball bat B1. At this time, the pressing of the pressing member 6113 can be performed. The surface 61131 is inclined, so that the bottom end of the bottom of the baseball bat B1 can be abutted against the fixing frame 6111, and the front end of the baseball bat B1 can be tilted up, so that the bat baseball B1 can be The scale unit 6 is in a parallel state, and the weighing unit 4 can be weighed by operating the calculation and display unit 7 at this time. After the measurement, the weighing unit 4 can display the measured weight value through the calculation and the calculation of the display unit 7, thereby knowing the weight and the quality center point of the baseball bat B1 ( Information such as the center of gravity; the length of the baseball bat B1 can be obtained by the number of digits The scale resisting piece 51 of the ruler unit 5 abuts against the front end of the baseball bat B1, thereby measuring the length of the baseball bat B1; measuring the weight and the center point of the bat baseball B1 (the center of gravity point) After the information, the moment of inertia can be calculated by measuring the horizontal inertia swing period; when the measurement is to measure the horizontal inertia swing period, the measurement engineer only needs to push or pull the first scale of the scale unit 6 a seat 61, whereby the first scale 61 can be freely swinged on the connecting frame 63 by the spring piece 631 of the connecting frame 63, and the blocking member 612 of the first scale 61 is original It is located between the transmitting end 81 and the receiving end 82 of the swing sensor 8, whereby when the first scale 61 swings, the blocking member 612 will swing with the first scale 61, This can generate an interrupting effect between the transmitting end 81 and the receiving end 82 of the swing sensor 8, and the swing sensor 8 can be used to count the number and time of the blocking and transmit the message to the power. The display 71 that is sexually coupled calculates and displays the inertial swing period of the measurement.

As shown in FIG. 11 and FIG. 12, when the measuring device 2 of the composite cantilever type mechanical static and dynamic characteristic measuring device is implemented, the weighing unit 4 is provided with a third weighing member 43 by means of the weighing The first weighing member 41, the second weighing member 42 and the third weighing member 43 of the piece unit 4 balance the weight of the sports equipment, whereby the weighing unit 4 has three weighing load points. Wherein, W in FIG. 12 is the total weight of the swing-type exercise device, Mx is the total torque of the X-axis of the swing-type exercise device, and My is the total torque of the Y-axis of the swing-type exercise device. , A is the measured value of the first weighing weight, B is the measured value of the second weighing weight, C is the measured value of the third weighing weight, L is the linear distance between the axis of A and BC, and D is B A linear distance from the axis of C, X is the X-axis coordinate of the swing-type exercise device, and Y is the Y-axis coordinate of the swing-type exercise device; thereby being pre-settable by the calculation and display unit 7: W= A+B+C, Mx=(B+C)L-WX=0, My=(CB)D-WY=0, , The calculation formula can be used to more accurately measure the weight and the center point (center of gravity) of the swing type exercise device, which is the quality center point (center of gravity) of the swing type exercise device. Offset point.

As shown in FIG. 13 and FIG. 14 , when the measuring device 2 of the composite cantilever type mechanical static and dynamic characteristic measuring device is implemented, the weighing unit 4 is provided with the third weighing member 43 and the fourth weighing member. 44. The first weighing weight 41, the second weighing weight 42, the third weighing weight 43 and the fourth weighing weight 44 of the weighing unit 4 are used to balance the weight of the sports equipment. The weighing unit 4 has three weighing load points, wherein W in FIG. 14 is the total weight of the swinging exercise device, and Mx is the total torque of the X axis of the swinging exercise device, My For the total torque of the Y-axis of the swing type exercise equipment, A is the measured value of the first weighing weight, B is the measured value of the second weighing weight, and C is the measured value of the third weighing weight , D The measured value of the fourth weighing weight, Lx is the linear distance between A to B and D to C X axis, Ly is the linear distance between A to D and B to C Y axis, X is the swing type sports equipment The X-axis coordinate, Y is the Y-axis coordinate of the swing-type exercise device; thereby being pre-settable by the calculation and display unit 7: W=A+B+C+D, Mx=(B+C) Lx-WX=0, My=(A+D)Ly-WY=0, , The calculation formula can be used to more accurately measure the weight and the center point (center of gravity) of the swing type exercise device, which is the quality center point (center of gravity) of the swing type exercise device. Offset point.

The effect of the present invention is that a weight unit 4, a digital scale unit 5, and a swing sensor 8 are disposed on the base 3, and the scale unit 4 is provided with a scale unit 6, which The scale unit 6 has a first scale 61, a second scale 62 and a connecting frame 63. The first scale 61 can swing freely on one end side of the connecting frame 63. The weighing unit 4 The calculation and display unit 7 is electrically connected to the swing sensor 8 , thereby facilitating the measurement of the three static mechanical characteristics such as the length, the weight, the center point of the mass (the center of gravity), and the dynamics of the swing type sports apparatus. The horizontal moment of inertia of the mechanical properties, which in turn improves the utility of the composite cantilever mechanical static and dynamic characteristic measuring device.

The second effect that can be achieved by the above configuration is that the calculation and display unit 7 can automatically calculate the weight and quality center point (center of gravity) of the device to be tested, and the dynamic inertia oscillation period, and by the display 71 Digital digits are displayed to facilitate measurement and viewing.

A further effect that can be achieved by the above construction is that the length of the object can be accurately and conveniently measured by the digital scale unit 5 and the gauge abutment 51.

In summary, the above-mentioned composite cantilever mechanical static and dynamic characteristic measuring device can truly achieve the purpose and effect of the claim, and should meet the requirements of novelty, practicability and advancement. For the application of the new patent, please ask the examiner for the detailed examination, and the grant of the new patent will be granted.

2‧‧‧Measurement device

3‧‧‧Base

31‧‧‧Support mats

32‧‧‧ Insert block

33‧‧‧stop column

4‧‧‧Weighing unit

41‧‧‧First weighing parts

411‧‧ ‧ socket

4111‧‧‧Sitting Department

42‧‧‧Second weights

421‧‧‧ 承座

4211‧‧‧Sitting Department

5‧‧‧Digital ruler unit

51‧‧‧Measuring tape

6‧‧‧Weighing unit

61‧‧‧First scale

611‧‧‧holding department

6111‧‧‧Retaining frame

6112‧‧‧Adjusting screw

6113‧‧‧ Holding parts

61131‧‧‧pressure holding surface

612‧‧‧ 断件

614‧‧‧ support

6141‧‧‧Support

62‧‧‧Second scale

621‧‧‧seat pole set

6211‧‧‧Carriage

6212‧‧‧ Seatpost

63‧‧‧Connecting frame

634‧‧‧ seatpost

7‧‧‧Computation and display unit

71‧‧‧ display

72‧‧‧ operation keys

8‧‧‧Swing sensor

81‧‧‧transmitter

82‧‧‧ Receiver

9‧‧‧ cover

91‧‧‧ level

92‧‧‧Long slot

Claims (10)

A composite cantilever type mechanical static and dynamic characteristic measuring device, the measuring device comprises: a base; a weighing unit disposed on the base, the weighing unit comprises at least a first weighing piece And a second weighing component, the first weighing component and the second weighing component have a socket; a digital measuring unit disposed on the base and located beside the weighing component unit; a scale unit on the weight unit, the scale unit has a first scale seat, a second scale seat and a connecting frame connected between the first scale seat and the second scale seat; One end of the first scale seat is provided with an adjustable pressing portion, and a shielding member is disposed under the first weighing seat; the second weighing base has a bearing rod, and one side of the connecting frame is provided with a spring piece. One end of the spring piece is provided with a connecting block, one end of the connecting block is locked on the first scale, whereby the first scale can swing freely on the connecting frame, and a bearing is arranged below the connecting frame a seat post, the seat rod of the connecting frame can be seated on the seat of the first weighing piece, and the seat bar of the second scale can bear And a calculation and display unit disposed on one side of the base and electrically connected to the weight unit; one disposed on the base and electrically connected to the calculation And a swing sensor of the display unit, the swing sensor has a transmitting end and a receiving end, and the blocking component of the first scale is located between the transmitting end and the receiving end. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 1, wherein the four sides of the base are provided with an adjustable supporting foot pad; one side of the base is convex along a long axis There are two insertion blocks, the insertion block can be inserted into the digital scale unit; the base is provided with a plurality of stop posts, and the stop column is located in the vicinity of the set weight unit. The composite cantilever type mechanical static and dynamic characteristic measuring device according to the second aspect of the invention, wherein the end of the digital measuring unit is provided with a gauge abutting piece. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 1, wherein the weighing unit is disposed at a near center of the base, and the first weighing member is provided with a bearing The seat has a V-shaped bearing seat at an upper end thereof, and the second weighing member is provided with a socket, and the upper end of the socket has a V-shaped bearing portion. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 1, wherein the pressing portion has a fixing frame, an adjusting screw and a pressing member, and the adjusting screw is screwed on the The lower end of the adjusting screw is coupled to the pressing member, and the bottom end of the pressing member is provided with a slanting pressing surface; the insertion hole is disposed in a pair of left and right; the upper end of the supporting seat has V-shaped support. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 1, wherein the swing sensor is a laser light sensor. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 1, wherein the upper cover of the base is provided with a cover body; the cover body is provided with a level; the cover body is opened near the center a slot that allows the scale unit to protrude outside the cover; the calculation and display unit further has a plurality of operation keys. The composite cantilever type mechanical static and dynamic characteristic measuring device according to the fourth aspect of the invention, wherein the weighing unit has a first weighing component, a second weighing component, and a third weighing component, and The weighing unit has three weighing points. The composite cantilever type mechanical static and dynamic characteristic measuring device according to claim 4, wherein the weighing unit has a first weighing component, a second weighing component, and a third weighing component And the fourth weighing weight, so that the weighing unit has four weighing points. The composite cantilever type mechanical static and dynamic characteristic measuring device according to the first, fourth, eighth or ninth aspect of the patent application, wherein the weighing piece is an electronic scale.