CN209946389U - Laser ranging type electric vibration tuning fork - Google Patents
Laser ranging type electric vibration tuning fork Download PDFInfo
- Publication number
- CN209946389U CN209946389U CN201920562126.6U CN201920562126U CN209946389U CN 209946389 U CN209946389 U CN 209946389U CN 201920562126 U CN201920562126 U CN 201920562126U CN 209946389 U CN209946389 U CN 209946389U
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- adjusting
- tuning fork
- pulley
- electric vibration
- string
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Abstract
The utility model discloses a laser rangefinder formula electric shock tuning fork, including electric shock tuning fork body, adjusting pulley and string, electric shock tuning fork body is through linking bridge fixed connection adjusting support frame, install string alignment jig in the adjusting support frame, string alignment jig one side and adjusting support frame fixed connection, string alignment jig opposite side and adjusting support frame sliding fit set up, the sliding end fixed connection of string alignment jig has pulley alignment jig, install the range finding board that corresponds with the center of adjusting pulley on the pulley alignment jig, the laser rangefinder who uses with the range finding board cooperation is equipped with to the embedded laser rangefinder that is equipped with of electric shock tuning fork body; can drive the pulley alignment jig through string of a thread alignment jig and remove to adjust the length of adjusting the string of a thread between pulley and the electric vibration tuning fork body, at the accommodation process, laser rangefinder can measure the concrete length of string of a thread, and the automatic processing calculates the back and shows, adjusts simple and conveniently, and it is accurate to measure string of a thread length, helps improving the accuracy of vibration frequency testing result.
Description
Technical Field
The utility model relates to a vibration frequency check out test set technical field especially relates to a laser rangefinder formula electric vibration tuning fork.
Background
In the process of carrying out standing wave experiment detection vibration frequency, the main experimental device that uses is the tuning fork, and along with experimental facilities's development and improvement, the tuning fork also develops into the electric vibration tuning fork from complex operation's hitting manual tuning fork gradually, and the electric vibration tuning fork is by voltage control, and the sound signal of production is stable, helps improving the experiment and detects the precision. Both the striking type manual tuning fork and the electric vibration tuning fork mainly comprise structures such as a tuning fork body, a pulley and a string connected between the tuning fork body and the pulley. In the specific experiment process, the length of the string is continuously adjusted according to the experiment purpose, but when the length of the string is adjusted, the tuning fork currently used generally has the problem of adjusting deviation of the length of the string, and then the experiment result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a string of line length adjustment is convenient, string of line length measurement accurate laser rangefinder formula electric vibration tuning fork is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the laser ranging type electric vibration tuning fork comprises an electric vibration tuning fork body and an adjusting pulley which is matched with the electric vibration tuning fork body, a string is arranged between the electric vibration tuning fork body and the adjusting pulley, the electric vibration tuning fork body is fixedly connected with an adjusting support frame through a connecting support, a string adjusting frame is arranged in the adjusting support frame, one side of the string adjusting frame close to the electric vibration tuning fork body is fixedly connected with the adjusting support frame, one side of the string adjusting frame far away from the electric vibration tuning fork body is arranged in a sliding fit manner with the adjusting support frame, the sliding end of the string adjusting frame is fixedly connected with a pulley adjusting frame, the adjusting pulley is rotatably arranged on the pulley adjusting frame, the pulley adjusting frame is fixedly provided with a distance measuring plate corresponding to the center of the adjusting pulley, and a laser distance measuring device matched with the distance measuring plate is embedded in the electric vibration tuning fork body.
According to a preferable technical scheme, the string adjusting frame comprises two opposite and vertically arranged adjusting plates, two hinged fork frames are oppositely connected between the two adjusting plates, and fork frame adapting holes in sliding fit with the hinged fork frames are formed in the adjusting plates in a penetrating mode; and the adjusting plate close to the electric vibration tuning fork body is relatively provided with a driving motor for driving each hinged fork frame, and the driving motor is connected to the laser ranging device.
According to the preferable technical scheme, the driving motor is in transmission connection with a driving lead screw, the driving lead screw is rotatably installed on the adjusting plate, a lead screw sleeve is sleeved on the driving lead screw in a threaded mode, and one end of the hinged fork frame is fixedly connected with the lead screw sleeve.
As preferred technical scheme, the upper and lower both ends of adjusting the support frame are equipped with two respectively and adjust the slot hole, and with two of end adjust the slot hole and be in arrange around on the adjusting support frame, keep away from the electric vibration tuning fork body adjust the slide bar, two are installed respectively at both ends about the regulating plate each end of adjusting the slide bar runs through the correspondence respectively adjust the slot hole setting, just the anticreep dish is installed respectively to each end of adjusting the slide bar.
As the preferred technical scheme, a linkage rod is respectively arranged and connected between each adjusting slide rod and the pulley adjusting frame.
As a preferred technical scheme, the pulley adjusting frame comprises linkage slide bars correspondingly connected with the adjusting slide bars through the linkage bars, two parallel linkage upright bars are connected between the upper linkage slide bar and the lower linkage slide bar, a pulley shaft is connected between the two linkage upright bars, and the adjusting pulleys are sleeved on the pulley shaft.
As an improvement to the above technical solution, the laser distance measuring device includes a microprocessor embedded in the electric vibration tuning fork body, the microprocessor is connected with a laser sensor, a display screen and a control switch, and the laser sensor and the distance measuring plate are arranged oppositely.
Due to the adoption of the technical scheme, the laser ranging type electric vibration tuning fork comprises an electric vibration tuning fork body and an adjusting pulley which is matched with the electric vibration tuning fork body, a string is arranged between the electric vibration tuning fork body and the adjusting pulley, the electric vibration tuning fork body is fixedly connected with an adjusting support frame through a connecting support, a string adjusting frame is arranged in the adjusting support frame, one side of the string adjusting frame close to the electric vibration tuning fork body is fixedly connected with the adjusting support frame, one side of the string adjusting frame far away from the electric vibration tuning fork body is arranged in a sliding fit manner with the adjusting support frame, the sliding end of the string adjusting frame is fixedly connected with a pulley adjusting frame, the adjusting pulley is rotatably arranged on the pulley adjusting frame, a distance measuring plate corresponding to the center of the adjusting pulley is fixedly arranged on the pulley adjusting frame, and a laser distance measuring device matched with the distance measuring plate is embedded in the electric vibration tuning fork body; the utility model has the advantages that: can drive the pulley alignment jig through string of a thread alignment jig and remove to adjust the length of adjusting the string of a thread between pulley and the electric vibration tuning fork body, at the accommodation process, laser rangefinder can measure the concrete length of string of a thread, and the automatic processing calculates the back and shows, adjusts simple and conveniently, and it is accurate to measure string of a thread length, helps improving the accuracy of vibration frequency testing result.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a transmission connection structure of a driving motor and an articulated fork in the embodiment of the invention;
in the figure: 1-an electric vibration tuning fork body; 2-adjusting the pulley; 3-chord line; 4-weight; 5-connecting a bracket; 6-adjusting the support frame; 7-adjusting plate; 8-an articulated fork carriage; 9-a spider adaptation bore; 10-a drive motor; 11-driving a lead screw; 12-lead screw thread sleeve; 13-adjusting the long hole; 14-adjusting the slide bar; 15-anti-slip disc; 16-linkage rod; 17-linking the slide bar; 18-linkage vertical rod; 19-a pulley shaft; 20-a distance measuring plate; 21-a laser sensor; 22-a display screen; 23-control switch.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the laser ranging type electric vibration tuning fork comprises an electric vibration tuning fork body 1 and an adjusting pulley 2 used in cooperation, wherein a string 3 is arranged between the electric vibration tuning fork body 1 and the adjusting pulley 2, and when the laser ranging type electric vibration tuning fork is actually used, a weight 4 is hung at the end of the string 3 to tighten the string 3 so as to ensure that an experiment can be smoothly carried out. The electric vibration tuning fork body 1 is provided with a metal tuning fork, a sound box and an electric vibration structure arranged inside the sound box, the electric vibration structure enables the metal tuning fork to generate an electric vibration effect through voltage regulation, and the structure is content well known by persons skilled in the art and is not described in detail herein.
The electric vibration tuning fork body 1 of this embodiment is through linking bridge 5 fixedly connected with adjust support frame 6, through setting linking bridge 5 with adjust support frame 6 and make this embodiment become integrative experimental device. Specifically, the connecting support 5 may be configured as a connecting rod arranged in a matrix structure on the sound box, and the adjusting support 6 may be configured as a cube or a rectangular structure of a hollow structure so as to mount other components therein.
Install string of a thread alignment jig in the regulation support frame 6, string of a thread alignment jig is close to one side of electric vibration tuning fork body 1 with adjust 6 fixed connection of support frame, the string of a thread alignment jig is kept away from one side of electric vibration tuning fork body 1 with adjust 6 sliding fit settings of support frame, the slip end fixedly connected with pulley alignment jig of string of a thread alignment jig, adjust 2 rotation of pulley install in on the pulley alignment jig. The adjustment of the positions of the pulley adjusting frame and the adjusting pulley 2 is realized through the sliding installation of one end of the string adjusting frame, so that the length of a string 3 between the adjusting pulley 2 and the electric vibration tuning fork body 1 is changed.
Specifically, the string adjusting frame comprises two opposite and vertically arranged adjusting plates 7, two articulated fork frames 8 are oppositely connected between the two adjusting plates 7, and fork frame adapting holes 9 which are in sliding fit with the articulated fork frames 8 are arranged through the adjusting plates 7; the adjusting plate 7 close to the electric vibration tuning fork body 1 is relatively provided with a driving motor 10 for driving each articulated fork 8, and the two driving motors 10 correspondingly arranged with the two articulated forks 8 synchronously rotate in the same direction. After the driving motor 10 is started, the hinge angle of the hinge fork 8 can be changed by controlling the forward and reverse rotation of the driving motor 10, so that the adjustment of the distance between the two adjusting plates 7 is realized through the sliding fit of one of the adjusting plates 7, and the position of the pulley adjusting frame is further changed.
In this embodiment, the driving motor 10 is connected with a driving screw 11 in a transmission manner, the driving screw 11 is rotatably installed on the adjusting plate 7, a screw thread sleeve 12 is sleeved on the driving screw 11, and one end of the hinged fork 8 is fixedly connected with the screw thread sleeve 12. After the driving motor 10 drives the driving screw 11 to rotate, the screw thread sleeve 12 can linearly move back and forth along the driving screw 11 through thread fit, so as to change the distance between the two ends of the articulated fork carriage 8 and realize the adjustment of the length of the articulated fork carriage 8.
Adjust the upper and lower both ends of support frame 6 and be equipped with two regulation slot holes 13 respectively, and the both ends two with adjust slot holes 13 and be in arrange around adjusting support frame 6 is last, keep away from electric vibration tuning fork body 1 adjust slide bar 14, two are installed respectively at both ends about the regulating plate 7 each end of adjusting slide bar 14 runs through the correspondence respectively adjust slot holes 13 set up, just adjust slide bar 14 each end and install anticreep dish 15 respectively, promptly adjust slot holes 13 and set up to four adjust support frame 6's upper end parallel arrangement two adjust support frame 6's lower extreme also parallel arrangement two, so that adjust support frame 7's slidable mounting. Through the cooperation, the sliding installation of the adjusting plate 7 is realized.
Interlocking rods 16 are respectively arranged and connected between each adjusting slide rod 14 and the pulley adjusting frame, the pulley adjusting frame comprises interlocking slide rods 17 correspondingly connected with each adjusting slide rod 14 through the interlocking rods 16, two interlocking upright rods 18 arranged in parallel are connected between the upper interlocking slide rod 17 and the lower interlocking slide rod 17, a pulley shaft 19 is connected between the two interlocking upright rods 18, and the adjusting pulley 2 is sleeved on the pulley shaft 19. The linkage 16 is arranged to realize the synchronous displacement of the pulley shaft 19 and the adjusting slide 14.
This embodiment is in fixed mounting has on the pulley alignment jig with the range finding board 20 that the center of adjusting pulley 2 corresponds, embedded being equipped with of electric vibration tuning fork body 1 with the laser rangefinder that the cooperation of range finding board 20 was used, driving motor 10 is connected to laser rangefinder, through laser rangefinder can control opening of driving motor 10 stops and the direction of rotation. Specifically, the laser distance measuring device comprises a microprocessor embedded in the electric vibration tuning fork body 1, the microprocessor is connected with a laser sensor 21, a display screen 22 and a control switch 23, and the laser sensor 21 and the distance measuring plate 20 are arranged oppositely. In use, the distance measuring plate 20 can be mounted on the linking upright 18.
When the laser sensor 21 works, the laser sensor 21 emitting diode firstly emits laser pulses to the distance measuring plate 20, after the laser pulses are reflected by the distance measuring plate 20, the laser is scattered to all directions, part of the reflected light returns to the laser sensor 21, and is received by an optical system in the laser sensor 21 and then imaged on an avalanche photodiode, wherein the avalanche photodiode is an optical sensor with an amplifying function inside, so that the avalanche photodiode can detect extremely weak optical signals and convert the extremely weak optical signals into corresponding electric signals to be transmitted to the microprocessor, the microprocessor obtains the length of the string 3 between the adjusting pulley 2 and the metal tuning fork through signal conversion and calculation, and finally obtains the vibration frequency through calculation by the microprocessor and displays the vibration frequency on the display screen 22, thereby avoiding manual detection and calculation, the accuracy and speed of vibration frequency detection are improved. The control switch 23 is used to control the start/stop and rotation direction of the driving motor 10, the microprocessor is used to control the start/stop of the motor, and the microprocessor is programmed to realize the calculation of the frequency formula, which is well known to those skilled in the art and will not be described in detail herein.
Can drive the pulley alignment jig through string of a thread alignment jig and remove to adjust the length of adjusting between pulley 2 and the electric vibration tuning fork body 1 string of a thread 3, at the accommodation process, laser rangefinder can measure the concrete length of string of a thread 3, and the automatic processing calculates the back and shows, adjusts simple and conveniently, and it is accurate to measure string of a thread 3 length, helps improving the accuracy of vibration frequency testing result.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Laser rangefinder formula electric vibration tuning fork, including the tuning pulley that electric vibration tuning fork body and cooperation were used, the electric vibration tuning fork body with be equipped with string of thread between the tuning pulley, its characterized in that: the utility model discloses an electric vibration tuning fork, including tuning support, adjusting support frame, string of tuning support keep away from one side of electric vibration tuning fork body with adjusting support frame sliding fit sets up, the slip end fixedly connected with pulley adjusting bracket of string of tuning support, adjusting pulley rotate install in on the pulley adjusting bracket, fixed mounting has with the range finding board that the center of adjusting pulley corresponds on the pulley adjusting bracket, electric vibration tuning fork body embedded be equipped with the laser ranging device that the range finding board cooperation was used.
2. The laser ranging type electric vibration tuning fork of claim 1, wherein: the string adjusting frame comprises two adjusting plates which are opposite and vertically arranged, two hinged fork frames are oppositely connected between the two adjusting plates, and fork frame adapting holes which are in sliding fit with the hinged fork frames are arranged through the adjusting plates; and the adjusting plate close to the electric vibration tuning fork body is relatively provided with a driving motor for driving each hinged fork frame, and the driving motor is connected to the laser ranging device.
3. The laser ranging type electric vibration tuning fork of claim 2, wherein: the driving motor is connected with a driving lead screw in a transmission mode, the driving lead screw is rotatably installed on the adjusting plate, a lead screw barrel is sleeved on the driving lead screw in a threaded mode, and one end of the hinged fork frame is fixedly connected with the lead screw barrel.
4. The laser ranging type electric vibration tuning fork of claim 2, wherein: the upper and lower both ends of adjusting the support frame are equipped with two respectively and adjust the slot hole, and the both ends two with adjust the slot hole and be in arrange around on the adjusting support frame, keep away from the electric vibration tuning fork body the adjusting slide bar, two are installed respectively at both ends about the regulating plate each end of adjusting the slide bar runs through the correspondence respectively adjust the slot hole setting, just the anticreep dish is installed respectively to each end of adjusting the slide bar.
5. The laser ranging type electric vibration tuning fork of claim 4, wherein: and a linkage rod is respectively arranged and connected between each adjusting slide rod and the pulley adjusting frame.
6. The laser ranging type electric vibration tuning fork of claim 5, wherein: the pulley adjusting frame comprises linkage slide bars correspondingly connected with the adjusting slide bars through the linkage bars, two linkage vertical bars arranged in parallel are connected between the upper linkage slide bar and the lower linkage slide bar, a pulley shaft is connected between the two linkage vertical bars, and the adjusting pulleys are sleeved on the pulley shaft.
7. The laser ranging type electric vibration tuning fork as claimed in any one of claims 1 to 6, wherein: the laser ranging device comprises a microprocessor embedded in the electric vibration tuning fork body, the microprocessor is connected with a laser sensor, a display screen and a control switch, and the laser sensor and the ranging plate are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562126.6U CN209946389U (en) | 2019-04-23 | 2019-04-23 | Laser ranging type electric vibration tuning fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562126.6U CN209946389U (en) | 2019-04-23 | 2019-04-23 | Laser ranging type electric vibration tuning fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946389U true CN209946389U (en) | 2020-01-14 |
Family
ID=69129395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562126.6U Expired - Fee Related CN209946389U (en) | 2019-04-23 | 2019-04-23 | Laser ranging type electric vibration tuning fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946389U (en) |
-
2019
- 2019-04-23 CN CN201920562126.6U patent/CN209946389U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20210423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |