Adjustable probe for tachymeter

Abstract

The invention discloses an adjustable probe for a tachymeter, and relates to the technical field of tachymeters, the adjustable probe comprises a tachymeter, a moving block is slidably connected in the tachymeter, and an adjusting mechanism is arranged in the moving block; the adjusting mechanism comprises a supporting frame, a connecting shaft is fixedly connected to the middle of the supporting frame, a connecting column is fixedly and rotatably connected to the middle of the connecting shaft, rotating shafts are fixedly connected to the two ends of the connecting column, a connecting frame is hinged to one side of each rotating shaft, and a fixing frame is fixedly connected to the connecting frame. By arranging the adjusting mechanism, the telescopic mechanism and the like, the probe can be flexibly adjusted in multiple directions, multiple angles and different extension lengths, the position of the probe can be conveniently, rapidly and accurately adjusted according to an actual measurement scene, the applicability and the measurement efficiency of the tachymeter are effectively improved, the problem that an existing tachymeter probe is inconvenient to adjust is solved, and the tachymeter is convenient to use. The measuring requirements of various asparagus angles can be well met, meanwhile, the adjusting efficiency can be improved, and abrasion can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of speed meters, and in particular to an adjustable probe for a speed meter. Background Art

[0002] During the use of a velocimeter, the adjustability of the probe is crucial for accurate measurement and adaptability to different measurement environments. The velocimeter probe is a key component, used to transmit and receive signals to measure an object's speed. It is primarily composed of a laser transmitter module, an optical system, and a photodetector. The laser transmitter module generates and emits a laser beam, the optical system focuses and guides the laser beam, and the photodetector receives the reflected light and converts it into an electrical signal for processing. It utilizes the laser Doppler effect to transmit a laser beam to the object being measured, receive the reflected light, and measure the change in the reflected light's frequency to calculate the object's speed.

[0003] The adjustment methods of most existing velocimeter probes are relatively cumbersome, and they cannot easily achieve flexible adjustment at multiple angles and in multiple directions. As a result, in actual operation, it is difficult to quickly and accurately adjust the probe to the optimal measurement position, affecting measurement efficiency and accuracy. Traditional probes rely on physical locking devices such as bolts and clips for fixation and adjustment. Each time the probe is adjusted, these locking devices need to be repeatedly loosened and tightened, and the operation steps are redundant. Taking bolts as an example, the operator needs to use tools to loosen the bolts one by one before adjusting the position or angle of the probe. After the adjustment is completed, the bolts need to be retightened to ensure the stability of the probe. This process is not only time-consuming, but also after multiple adjustments, wear is likely to occur between the bolts and the screw holes, resulting in a deterioration in the fixing effect. The probe may even become loose, affecting the accuracy of the measurement. Summary of the Invention

[0004] The object of the present invention is to provide an adjustable probe for a velocimeter to solve the problems existing in the above-mentioned background technology.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] An adjustable probe for a speed meter comprises a speed meter, a moving block is slidably connected in the speed meter, and an adjustment mechanism is provided in the moving block;

[0007] The adjustment mechanism includes a support frame, a connecting shaft is fixedly connected to the middle of the support frame, a connecting column is rotatably connected to the middle of the connecting shaft, both ends of the connecting column are fixedly connected to a rotating shaft, one side of the rotating shaft is hingedly connected to the connecting frame, a fixing frame is fixed to the connecting frame, and a fixing block threadedly connected to the probe is fixedly connected to the surface of the fixing frame;

[0008] The middle part of one side of the connecting frame is pulled downward to achieve the angle tilt of the probe.

[0009] As a further solution of the present invention: there are two rotating shafts, the fixing frame is arranged parallel to the two rotating shafts, and the two rotating shafts are hingedly connected to the middle part of the connecting frame;

[0010] The connecting post is arranged at the middle of the connecting shaft and rotates inside the connecting shaft.

[0011] As a further solution of the present invention: the adjustment mechanism further includes a bottom plate, which is fixed to the inner side of the moving block and the middle part of the surface of the bottom plate is fixed to the support frame;

[0012] Extension block 1, fixed to the fixing frame;

[0013] Extension block 2, fixedly connected to the middle portion of one side of the connecting frame;

[0014] The second electric push rod is movably connected to the surface of the bottom plate and the conveying end is movably connected to the interior of the second extension block;

[0015] The electric push rod is movably connected to the surface of the bottom plate, and the conveying end is movably connected to the interior of the extension block.

[0016] As a further solution of the present invention: a display screen is fixedly installed on one side of the speedometer, a transparent protective plate is slidably connected to the inside of one side of the moving block, and the moving block is driven by a telescopic mechanism installed inside the speedometer.

[0017] As a further solution of the present invention: the telescopic mechanism includes a drive motor, which is fixed to one side of the speed meter and has a threaded column fixed to its output end;

[0018] The sliding blocks are provided in two pieces and are fixedly connected to both sides of the moving block, and one of the sliding blocks is threadedly connected to the surface of the threaded column.

[0019] As a further solution of the present invention: docking mechanisms are provided on both sides of the moving block for docking with the transparent protective plate.

[0020] As a further solution of the present invention: the docking mechanism includes a limiting frame fixed to one side of the moving block;

[0021] A limiting column, slidably connected to the middle portion of one side of the moving block;

[0022] The spring is fixed between the limiting frame and the limiting column.

[0023] As a further solution of the present invention: a cleaning mechanism is provided on one side of the moving block for cleaning the surface of the transparent protective plate.

[0024] As a further solution of the present invention: the cleaning mechanism includes a fixing plate fixed to the top of the speed meter;

[0025] A bidirectional motor is fixed to the middle of the fixed plate and has two output ends fixed to a transmission shaft;

[0026] Bevel gear 1 is fixed to one end of the transmission shaft and meshed with bevel gear 2;

[0027] A threaded rod fixed to the bottom of the fixed plate;

[0028] A guide column, fixed to the bottom of the fixed plate;

[0029] The movable plate is threadedly connected to the surface of the threaded rod and slidably connected to the surface of the guide column and is connected to the scraper block at the same time.

[0030] As a further solution of the present invention: a connecting block is fixedly connected to one side of the scraping block, and the connecting block slides in a sliding groove provided on the movable plate, and the movable plate and the connecting block are limitedly connected through a limiting pin.

[0031] Beneficial effects of the present invention:

[0032] (1) The present invention provides an adjustment mechanism, a telescopic mechanism, etc., so that the probe can be flexibly adjusted in multiple directions, multiple angles, and different extension lengths, which facilitates the rapid and accurate adjustment of the probe position according to the actual measurement scenario, effectively improving the applicability and measurement efficiency of the speedometer, solving the problem of inconvenient adjustment of the existing speedometer probe, and can well adapt to the measurement needs of various tricky angles, while improving the adjustment efficiency and reducing wear;

[0033] (2) The transparent protective plate of the present invention provides effective protection for the probe, preventing dust and other impurities from interfering with the probe detection signal. At the same time, the transparent protective plate can be cleaned regularly with the cleaning mechanism to ensure its good light transmittance, thereby ensuring the detection effect of the probe. Moreover, the disassembly and assembly design of the protective plate and the cleaning mechanism is reasonable and easy to operate, which is conducive to daily maintenance and replacement of the probe.

[0034] (3) The docking mechanism on both sides of the movable block of the present invention makes the disassembly and installation of the transparent protective plate and the probe simple and convenient. When the probe needs to be replaced or repaired, no complicated operation steps are required, which greatly saves time and labor costs, improves the maintainability of the speed meter, and effectively extends the service life of the speed meter. The coordination between the various mechanisms not only optimizes the adjustment, protection and disassembly functions of the speed meter probe, but also improves the overall stability and reliability of the speed meter, so that it can maintain a good working state in various complex environments, providing a strong guarantee for accurate speed measurement, and has significant practical value and promotion and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The present invention will be further described below with reference to the accompanying drawings.

[0036] Figure 1This is a schematic diagram of the three-dimensional structure of the present invention Figure 1 ;

[0037] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention Figure 2 ;

[0038] Figure 3 It is a schematic cross-sectional structure diagram of the present invention;

[0039] Figure 4 It is a schematic diagram of the three-dimensional structure of the adjustment mechanism of the present invention;

[0040] Figure 5 This is a schematic diagram of the combined structure of the fixing block and the probe of the present invention;

[0041] Figure 6 It is a schematic diagram of the three-dimensional structure of the cleaning mechanism of the present invention;

[0042] Figure 7 This is a schematic diagram of the partial structure of the cleaning mechanism of the present invention;

[0043] Figure 8 It is a structural schematic diagram of the docking mechanism and the transparent protective plate in the present invention.

[0044] In the figure: 1. Speed meter; 2. Moving block; 3. Telescopic mechanism; 30. Driving motor; 31. Sliding block; 32. Threaded column; 4. Adjusting mechanism; 400. Bottom plate; 401. Support frame; 402. Electric push rod 1; 403. Extension block 1; 404. Connecting frame; 405. Connecting shaft; 406. Connecting column; 407. Rotating shaft; 408. Extension block 2; 409. Electric push rod 2; 410. Fixed frame; 5. Cleaning mechanism; 50. Fixed plate; 51. Bidirectional motor; 52. Transmission shaft; 53. Bevel gear 1; 54. Bevel gear 2; 55. Threaded rod; 56. Guide column; 57. Moving plate; 58. Scraper; 6. Docking mechanism; 60. Limiting frame; 61. Spring; 62. Limiting column; 7. Transparent protective plate; 9. Display screen; 10. Connecting block; 11. Limiting pin; 12. Fixed block; 13. Probe. DETAILED DESCRIPTION

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0046] Example 1

[0047] See also Figure 1-8As shown, the present invention is an adjustable probe for a speed meter, comprising a speed meter 1, a moving block 2 being slidably connected to the speed meter 1, and an adjustment mechanism 4 being provided in the moving block 2;

[0048] The adjustment mechanism 4 includes a support frame 401, a connecting shaft 405 is fixedly connected to the middle of the support frame 401, a connecting column 406 is rotatably connected to the middle of the connecting shaft 405, both ends of the connecting column 406 are fixedly connected to a rotating shaft 407, one side of the rotating shaft 407 is hingedly connected to the connecting frame 404, a fixing frame 410 is fixed to the connecting frame 404, and a fixing block 12 threadedly connected to the probe 13 is fixedly connected to the surface of the fixing frame 410;

[0049] The middle part of one side of the connecting frame 404 is pulled downward to achieve the angle tilt of the probe 13.

[0050] It should be noted that the probe 13 is of existing technology and is controlled by wireless signal transmission through a controller (not shown), so that the data signal detected by the probe 13 is displayed on the display screen 9;

[0051] The moving block 2 is provided with a chamber, which provides space for the probe 13 to tilt to avoid causing interference;

[0052] The probe 13 is a laser detection head.

[0053] In the present invention, preferably, two rotating shafts 407 are provided, the fixing frame 410 is provided in parallel with the two rotating shafts 407, and the two rotating shafts 407 are hingedly connected to the middle part of the connecting frame 404;

[0054] The connecting post 406 is disposed in the middle of the connecting shaft 405 and rotates within the connecting shaft 405 .

[0055] In the present invention, preferably, the adjustment mechanism 4 further includes a bottom plate 400 fixed to the inner side of the moving block 2 and a support frame 401 fixed to the middle of the surface;

[0056] Extension block 1 403, fixed to the fixing frame 410;

[0057] The second extension block 408 is fixed to the middle portion of one side of the connecting frame 404;

[0058] The second electric push rod 409 is movably connected to the surface of the bottom plate 400 and the conveying end is movably connected to the interior of the second extension block 408;

[0059] The electric push rod 402 is movably connected to the surface of the bottom plate 400 and the conveying end is movably connected to the inside of the extension block 403.

[0060] It should be noted that the extension block 1 403 and the extension block 2 408 are at the same height, and the extension block 1 403 and the extension block 2 408 are arranged in the middle of the two sides connected to the connecting frame 404;

[0061] Extension block 1 403 and extension block 2 408 are both connected to ball cages, and the output ends of electric push rod 1 402 and electric push rod 2 409 are both connected to steel balls, and the steel balls roll inside the ball cages of extension block 1 403 and extension block 2 408;

[0062] A ball cage is provided on the surface of the bottom plate 400. The other ends of the electric push rod 1 402 and the electric push rod 2 409 are fixed with steel balls, which are rollingly connected in the ball cage of the bottom plate 400.

[0063] The ball cage is generally called "ball cage" or "ball cage universal joint". The ball cage is a common structural form of constant velocity universal joint. Its main function is to ensure that during the operation of the universal joint, the force transmission steel ball always adapts to the angle between the driving shaft and the driven shaft to achieve constant velocity transmission.

[0064] In the present invention, preferably, a display screen 9 is fixedly installed on one side of the speedometer 1, a transparent protective plate 7 is slidably connected to the inside of one side of the moving block 2, and the moving block 2 is driven by a telescopic mechanism 3 installed inside the speedometer 1.

[0065] It should be noted that the transparent protective plate 7 is made of transparent material, so that the infrared light of the probe 13 can be better refracted for detection.

[0066] In the present invention, preferably, the telescopic mechanism 3 includes a driving motor 30 , which is fixed to one side of the speed meter 1 and has a threaded column 32 fixed to its output end;

[0067] Two sliding blocks 31 are provided and fixed to both sides of the moving block 2 , and one of the sliding blocks 31 is threadedly connected to the surface of the threaded column 32 .

[0068] It should be noted that the threaded column 32 is rotatably connected to the interior of the speed meter 1 and is disposed in the sliding groove of the sliding block 31 to avoid interference.

[0069] During the implementation process, an electric push rod 402 is set. The output of the electric push rod 402 drives the steel ball to push or pull the ball cage connected to the extension block 403. The extension block 403 pushes or pulls the fixed frame 410. The fixed frame 410 drives the two rotating shafts 407 and the connecting column 406 to rotate and tilt along the middle of the connecting shaft 405. The fixed frame 410 drives the fixed block 12 and the probe 13 to tilt to one side.

[0070] An electric push rod 409 is provided. The output end of the electric push rod 409 carries a steel ball to push or pull the ball cage connected to the extension block 408. The electric push rod 409 pushes or pulls the connecting frame 404. The connecting frame 404 drives the fixing frame 410 to rotate and tilt along the rotating shaft 407. The fixing frame 410 drives the fixing block 12 and the probe 13 to rotate and tilt to the other side along the two rotating shafts 407.

[0071] The probe 13 is easier to adjust the extension length when in use, and the probe 13 is easier to adjust the tilt angles on both sides, which can effectively improve the detection efficiency of the probe 13 and avoid some tricky angles from being unable to be detected.

[0072] Example 2

[0073] In the present invention, preferably, docking mechanisms 6 are provided on both sides of the moving block 2 for docking with the transparent protective plate 7 .

[0074] In the present invention, preferably, the docking mechanism 6 includes a limiting frame 60 fixed to one side of the moving block 2;

[0075] A limiting post 62 is slidably connected to the middle portion of one side of the moving block 2;

[0076] The spring 61 is fixed between the limiting frame 60 and the limiting column 62 .

[0077] It should be noted that docking holes are provided in the middle of both sides of the transparent protective plate 7 to facilitate docking with the limiting column 62, and moving holes are provided on both sides of the moving block 2 to facilitate the movement of the limiting column 62.

[0078] In the present invention, preferably, a cleaning mechanism 5 is provided on one side of the moving block 2 for cleaning the surface of the transparent protective plate 7 .

[0079] In the present invention, preferably, the cleaning mechanism 5 includes a fixing plate 50 fixed to the top of the speed meter 1;

[0080] The bidirectional motor 51 is fixed to the middle of the fixed plate 50 and has a transmission shaft 52 fixed to both output ends;

[0081] Bevel gear 1 53 is fixed to one end of the transmission shaft 52 and meshed with bevel gear 2 54;

[0082] The threaded rod 55 is fixed to the bottom of the fixed plate 50;

[0083] A guide post 56 is fixed to the bottom of the fixing plate 50;

[0084] The movable plate 57 is threadedly connected to the surface of the threaded rod 55 and slidably connected to the surface of the guide column 56 and is connected to the scraper block 58 at the same time.

[0085] It should be noted that a limit plate is fixed to the surface of the fixed plate 50, and the transmission shaft 52 is rotatably connected to the middle part of the limit plate, so that the transmission shaft 52 is more stable during the transmission process;

[0086] Bevel gear 1 53, bevel gear 2 54, threaded rod 55, guide post 56, and moving plate 57 are each provided with two groups to ensure the stability of the scraper 58 during movement;

[0087] When the scraper block 58 is at its highest point, its height is higher than the transparent protective plate 7, thereby avoiding interference when the transparent protective plate 7 is disassembled.

[0088] In the present invention, preferably, a connection block 10 is fixed to one side of the scraping block 58 , and the connection block 10 slides in a sliding groove provided in the movable plate 57 , and the movable plate 57 and the connection block 10 are limitedly connected via a limiting pin 11 .

[0089] It should be noted that a docking groove is provided in the middle of the connection between the connecting block 10 and the movable plate 57, so that the limit pin 11 can more easily pass through the docking groove to complete the docking of the connecting block 10 and the movable plate 57, thereby making the scraping block 58 easier to disassemble.

[0090] During the implementation process, a bidirectional motor 51 is set, and the output end of the bidirectional motor 51 drives the transmission shafts 52 on both sides to rotate, and the two transmission shafts 52 drive the bevel gear 1 53 to rotate, and the two sets of bevel gear 1 53 drive the bevel gear 2 54 to rotate, and the two sets of bevel gear 1 53 drive the threaded rod 55 to rotate, and the two sets of threaded rods 55 rotate along the middle of the fixed plate 50, so that the two sets of movable plates 57 move downward along the guide column 56, and the two sets of movable plates 57 drive the connecting block 10 and the scraping block 58 to move downward to scrape and clean the surface of the transparent protective plate 7, so as to prevent a large amount of dust from accumulating on the surface of the transparent protective plate 7 and affecting the laser detection effect of the probe 13;

[0091] When it is necessary to disassemble the scraper block 58, the limit pins 11 on both sides are pulled, and the limit pins 11 slide along the connecting block 10 and the movable plate 57 to be taken out, and the scraper block 58 is pulled, and the scraper block 58 slides along the movable plate 57 with the connecting blocks 10 on both sides to be removed, and the new scraper block 58 with the connecting block 10 is installed into the slide groove of the movable plate 57, and the limit pins 11 are placed in the docking groove of the connecting block 10 and the middle of the movable plate 57 for installation, so that the scraper block 58 is easier to disassemble and install to maintain the cleaning effect of the scraper block 58;

[0092] When the probe 13 needs to be disassembled and replaced, push the limit posts 62 on both sides, and the limit posts 62 on both sides move along the moving holes opened in the moving block 2 to squeeze the spring 61, so that the limit posts 62 are moved out from the docking hole in the middle of the transparent protective plate 7, pull the transparent protective plate 7, and slide the transparent protective plate 7 along one side of the moving block 2 to be taken out, rotate the probe 13, and rotate the probe 13 along the fixed block 12 to be removed, so that the probe 13 is easier to disassemble and replace, put the transparent protective plate 7 in the moving block 2 and loosen the limit post 62, and the limit post 62 moves into the docking hole of the transparent protective plate 7 through the reverse thrust of the spring 61 to limit the transparent protective plate 7.

[0093] The embodiments of the present invention are described in detail above, but the contents described are only preferred embodiments of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An adjustable probe for a velocimeter, characterized in that: It comprises a speed meter (1), a moving block (2) is slidably connected in the speed meter (1), and an adjustment mechanism (4) is provided in the moving block (2); The adjustment mechanism (4) includes a support frame (401), a connecting shaft (405) is fixedly connected to the middle of the support frame (401), a connecting column (406) is rotatably connected to the middle of the connecting shaft (405), both ends of the connecting column (406) are fixedly connected to a rotating shaft (407), one side of the rotating shaft (407) is hingedly connected to a connecting frame (404), a fixing frame (410) is fixedly connected to the connecting frame (404), and a fixing block (12) threadedly connected to the probe (13) is fixedly connected to the surface of the fixing frame (410); The middle portion of one side of the connecting frame (404) is pulled downward to achieve an angle tilt of the probe (13).

2. The adjustable probe for a velocimeter according to claim 1, characterized in that two rotating shafts (407) are provided, the fixing frame (410) is arranged parallel to the two rotating shafts (407), and the two rotating shafts (407) are hingedly connected to the middle part of the connecting frame (404); The connecting column (406) is arranged in the middle of the connecting shaft (405) and rotates inside the connecting shaft (405).

3. The adjustable probe for a velocimeter according to claim 1, characterized in that: The adjustment mechanism (4) further comprises a bottom plate (400) fixedly connected to the inner side of the moving block (2) and a support frame (401) fixedly connected to the middle of the surface; Extension block 1 (403), fixed to the fixing frame (410); Extension block 2 (408), fixed to the middle portion of one side of the connecting frame (404); The second electric push rod (409) is movably connected to the surface of the bottom plate (400) and the conveying end is movably connected to the inside of the second extension block (408); The electric push rod 1 (402) is movably connected to the surface of the bottom plate (400) and the conveying end is movably connected to the inside of the extension block 1 (403).

4. The adjustable probe for a velocimeter according to claim 1, characterized in that: A display screen (9) is fixedly mounted on one side of the speedometer (1), a transparent protective plate (7) is slidably connected to the interior of one side of the moving block (2), and the moving block (2) is driven by a telescopic mechanism (3) mounted inside the speedometer (1).

5. The adjustable probe for a velocimeter according to claim 4, characterized in that: The telescopic mechanism (3) includes a driving motor (30) fixedly connected to one side of the speed meter (1) and having a threaded column (32) fixedly connected to the output end; The sliding blocks (31) are provided in two pieces and are fixed to both sides of the moving block (2). At the same time, one of the sliding blocks (31) is threadedly connected to the surface of the threaded column (32).

6. The adjustable probe for a velocimeter according to claim 1, characterized in that: Both sides of the moving block (2) are provided with docking mechanisms (6) for docking with the transparent protective plate (7).

7. The adjustable probe for a velocimeter according to claim 6, characterized in that: The docking mechanism (6) includes a limiting frame (60) fixedly connected to one side of the moving block (2); A limiting post (62) is slidably connected to the middle portion of one side of the moving block (2); The spring (61) is fixed between the limiting frame (60) and the limiting column (62).

8. The adjustable probe for a velocimeter according to claim 1, characterized in that: A cleaning mechanism (5) is provided on one side of the moving block (2) for cleaning the surface of the transparent protective plate (7).

9. The adjustable probe for a velocimeter according to claim 8, characterized in that: The cleaning mechanism (5) includes a fixing plate (50) fixed to the top of the speed meter (1); A bidirectional motor (51) is fixed to the middle of the fixed plate (50) and has two output ends fixedly connected to a transmission shaft (52); Bevel gear 1 (53) is fixed to one end of the transmission shaft (52) and meshedly connected to bevel gear 2 (54); A threaded rod (55) is fixed to the bottom of the fixed plate (50); A guide post (56) is fixed to the bottom of the fixing plate (50); The movable plate (57) is threadedly connected to the surface of the threaded rod (55) and slidably connected to the surface of the guide column (56) and is connected to the scraper (58) at the same time.

10. An adjustable probe for a speed meter according to claim 9, characterized in that a connecting block (10) is fixedly connected to one side of the scraper block (58), and the connecting block (10) slides in a slide groove provided on the movable plate (57), and is limitedly connected to the connecting block (10) by a limiting pin (11) through the movable plate (57).

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