CN109654352B - Landing leg structure of portable tachymeter - Google Patents
Landing leg structure of portable tachymeter Download PDFInfo
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- CN109654352B CN109654352B CN201910009524.XA CN201910009524A CN109654352B CN 109654352 B CN109654352 B CN 109654352B CN 201910009524 A CN201910009524 A CN 201910009524A CN 109654352 B CN109654352 B CN 109654352B
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- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a supporting leg structure of a movable speed meter, and belongs to the field of vehicles. A supporting leg structure of a mobile velocimeter comprises a supporting leg, wherein the supporting leg is connected to a supporting barrel in a sliding mode, the supporting leg is connected to the supporting barrel in a sliding mode through a sliding sleeve, the supporting leg is connected to the sliding sleeve in a rotating mode, a pneumatic cylinder body is fixedly connected to the bottom side of the sliding sleeve through a connecting rod, a pneumatic rod is connected to the pneumatic cylinder body, the pneumatic rod is connected with the supporting leg, an inflator is fixedly connected to the supporting barrel, and the air outlet end of the inflator is connected with the pneumatic cylinder body through a connecting pipe; the supporting leg supports the radar velocimeter to carry out velocity measurement, and the stability is ensured through the supporting leg support; make stable placing of supporting leg subaerial, when accomodating the supporting leg, can take in the supporting leg rotation and reset, reduce the occupation of land space, be convenient for remove, realize detecting the highway section of difference.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a supporting leg structure of a movable speed meter.
Background
The main principle of radar velocimeters is the doppler effect, i.e. when a target approaches a radar antenna, the frequency of the reflected signal will be higher than the frequency of the transmitter; conversely, when the target moves away from the antenna, the reflected signal frequency will be lower than the transmitter frequency; the radar velocimeter transmits electromagnetic waves, and the electromagnetic waves are reflected when touching an object; when the touched object moves towards or away from the object, the electromagnetic wave emitted by the velocimeter and reflected back has a frequency difference, and the speed of the object movement is obtained through the frequency difference, so that the purpose of speed measurement is realized; the device is widely used in industries such as police overspeed testing and the like.
The diversification that portable tachymeter function is more than, and it is more nearly extensive that traffic police uses the removal tachymeter, but the landing leg of present portable tachymeter is fixed more, then connects the radar on fixed landing leg, is not convenient for receive and release then remove, is not convenient for test the speed to the highway section of difference.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, most of supporting legs of the conventional mobile speed measuring instrument are fixed, a radar is connected to the fixed supporting legs, the supporting legs are inconvenient to retract, move and measure speed on different road sections, and the supporting leg structure of the mobile speed measuring instrument is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a landing leg structure of portable tachymeter, includes the supporting leg, supporting leg sliding connection is on a supporting cylinder, the supporting leg passes through sliding sleeve sliding connection on a supporting cylinder, the supporting leg rotates to be connected on the sliding sleeve, the sliding sleeve bottom side is through the pneumatic cylinder body of connecting rod fixedly connected with, be connected with the pneumatic stem on the pneumatic cylinder body, the pneumatic stem links to each other with the supporting leg, fixedly connected with inflater on the supporting cylinder, the end of giving vent to anger of inflater is passed through the connecting pipe and is linked to each other with the pneumatic cylinder body.
Preferably, the supporting leg adopts inside cavity barrel formula structure, sliding seal connects with the push disk in the supporting leg, fixedly connected with flexible leg of stabilizing on the push disk, the end of giving vent to anger of inflater passes through the connecting pipe and links to each other with the supporting leg.
Preferably, be connected with one-way air outlet valve on the connecting pipe, be connected with one-way admission valve on the inflater, be connected with first gas-supply pipe and second gas-supply pipe through the gas-distributing pipe on the connecting pipe, first gas-supply pipe links to each other with the supporting leg, the second gas-supply pipe links to each other with pneumatic cylinder body, be connected with the relief valve on the supporting leg, the through hole has been seted up on the sliding sleeve.
Preferably, a piston is connected in the pneumatic cylinder body in a sliding mode and fixedly connected with a pneumatic rod, and an air release valve is connected to the pneumatic cylinder body.
Preferably, the pneumatic rod is rotatably connected with a limiting slider, and the supporting leg is fixedly connected with a connecting groove plate matched with the limiting slider.
Preferably, the supporting cylinder supports the radar velocimeter through a supporting plate, a base is arranged on the bottom side of the supporting cylinder in a sliding mode, universal wheels are connected to the bottom side of the base, and the base is connected to the bottom side of the supporting cylinder in a sliding mode through an inserting rod.
Preferably, a first screw rod is rotatably connected to the support cylinder, a lifting plate is slidably connected to the support cylinder, a first screw hole matched with the first screw rod is formed in the lifting plate, the lifting plate is fixedly connected with the sliding sleeve through a connecting block, and a sliding opening matched with the connecting block is formed in the support cylinder.
Preferably, the upper end of the first screw is fixedly sleeved with a driven conical gear, the supporting cylinder is rotatably connected with a driving rod, one end of the driving rod is arranged in the supporting cylinder and fixedly connected with a driving conical gear meshed with the driven conical gear, and the other end of the driving rod is fixedly connected with a rotating disc.
Preferably, a piston disc is connected to the inflator in a sliding manner, an inflating rod is fixedly connected to the piston disc, the upper end of the inflating rod is rotatably connected with a connecting rod through a U-shaped connecting plate, and the upper end of the connecting rod is rotatably connected with the rotating disc.
Preferably, the support cylinder on rotate and be connected with the driving gear, the rolling disc outer lane is equipped with the teeth of a cogwheel with driving gear meshing, be connected with the handle on the driving gear.
Compared with the prior art, the invention provides a supporting leg structure of a mobile velocimeter, which has the following beneficial effects:
1. when the support leg structure of the mobile velocimeter is required to be placed on a roadside for detection, the inserting rod is moved upwards to accommodate the base and the universal wheels, the sliding sleeve is moved downwards at the same time, and the sliding sleeve drives the support leg to move downwards, so that the radar velocimeter is supported by the support leg for speed detection, and the stability is ensured through support leg support; the supporting leg rotates to be connected on the sliding sleeve, move down at the supporting leg, the accessible inflates to pneumatic cylinder body through the connecting pipe, thereby make pneumatic cylinder body drive pneumatic rod remove, thereby make pneumatic rod promote the supporting leg around the rotatory certain angle of sliding sleeve, make stable the placing subaerial of supporting leg, when accomodating the supporting leg, can reset the supporting leg rotation, accomodate, reduce the occupation of land space, be convenient for remove, the realization detects the highway section of difference.
Drawings
Fig. 1 is a schematic view of an unfolding stable structure of the mobile velocimeter of the present invention;
FIG. 2 is a schematic view of the unfolding stable structure of the mobile velocimeter of the present invention;
FIG. 3 is a schematic diagram of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of a storage and movement structure of the mobile velocimeter of the present invention;
FIG. 5 is a schematic cross-sectional view of a mobile velocimeter according to the present invention;
FIG. 6 is a schematic cross-sectional view of a mobile velocimeter according to the present invention;
FIG. 7 is a schematic diagram of the structure of FIG. 5 at B in accordance with the present invention;
FIG. 8 is a schematic diagram of the structure of FIG. 6 at C in accordance with the present invention;
FIG. 9 is a schematic view of the connection structure of the pneumatic rod and the support leg of the present invention.
In the figure: 1. a support cylinder; 2. a sliding port; 3. a radar velocimeter; 4. a support plate; 5. a limiting slide block; 6. supporting legs; 7. a telescopic stabilizing leg; 8. inserting a rod; 9. a base; 10. a universal wheel; 11. connecting the groove plates; 12. a sliding sleeve; 13. a connecting rod; 14. a pneumatic rod; 15. a pneumatic cylinder; 16. a driving gear; 17. rotating the disc; 18. a connecting rod; 19. a U-shaped connecting plate; 20. A pump rod; 21. an inflator; 22. a through hole; 23. a first gas delivery pipe; 24. a pressure relief valve; 25. connecting blocks; 26. a lifting plate; 27. a driving bevel gear; 28. a drive rod; 29. a driven bevel gear; 30. a first screw; 31. a connecting plate; 32. a second screw; 33. pushing the disc; 34. a connecting pipe; 35. a one-way air outlet valve; 36. a second gas delivery pipe; 37. a gas distributing pipe; 38. A one-way intake valve; 39. a piston; 40. a gas release valve; 41. a piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-9, a mobile velocimeter comprises a radar velocimeter 3 and a support cylinder 1, wherein the support cylinder 1 supports the radar velocimeter 3 through a support plate 4, a base 9 is slidably arranged at the bottom side of the support cylinder 1, universal wheels 10 are connected to the bottom side of the base 9, the base 9 is slidably connected to the bottom side of the support cylinder 1 through an inserted link 8, a sliding sleeve 12 is slidably connected to the support cylinder 1, and a support leg 6 is connected to the sliding sleeve 12; this tachymeter needs when removing, it drives supporting leg 6 rebound to move up with sliding sleeve 12, break away from ground, take out down the inserted bar 8 of 1 bottom side of a supporting section of thick bamboo, thereby make base 9 rebound, make universal wheel 10 land, thereby be convenient for remove, the realization detects the highway section of difference, but need place and examine time measuring at the roadside, accomodate base 9 and universal wheel 10 through moving inserted bar 8 rebound, simultaneously rebound sliding sleeve 12, sliding sleeve 12 drives supporting leg 6 rebound, thereby supporting leg 6 supports radar tachymeter 3 and tests the speed, universal wheel 10 breaks away from face this moment, support through supporting leg 6, stability has been ensured, be convenient for remove when needs remove, need stabilize the support when testing the speed, its stability has been ensured.
A supporting leg structure of a mobile velocimeter comprises a supporting leg 6, wherein the supporting leg 6 is connected to a supporting barrel 1 in a sliding mode, the supporting leg 6 is connected to the supporting barrel 1 in a sliding mode through a sliding sleeve 12, the supporting leg 6 is connected to the sliding sleeve 12 in a rotating mode, the bottom side of the sliding sleeve 12 is fixedly connected with a pneumatic cylinder body 15 through a connecting rod 13, a pneumatic rod 14 is connected to the pneumatic cylinder body 15, the pneumatic rod 14 is connected with the supporting leg 6, an inflator 21 is fixedly connected to the supporting barrel 1, and the air outlet end of the inflator 21 is connected with the pneumatic cylinder body 15; when the radar speed measuring instrument needs to be placed on the roadside for detection, the inserting rod 8 moves upwards to accommodate the base 9 and the universal wheel 10, meanwhile, the sliding sleeve 12 moves downwards, the sliding sleeve 12 drives the supporting leg 6 to move downwards, so that the supporting leg 6 supports the radar speed measuring instrument 3 for speed measurement, and the stability is ensured through the support of the supporting leg 6; supporting leg 6 rotates to be connected on sliding sleeve 12, move down at supporting leg 6, accessible inflates to pneumatic cylinder body 15 through connecting pipe 34 by inflates of accessible inflater 21, thereby make pneumatic cylinder body 15 drive pneumatic stem 14 and remove, thereby make pneumatic stem 14 promote supporting leg 6 around the rotatory certain angle of sliding sleeve 12, make stable the placing subaerial of supporting leg 6, when accomodating supporting leg 6, can reset supporting leg 6 rotation, accomodate, reduce the occupation of land space, be convenient for remove, the realization detects the highway section of difference.
Example 2:
referring to fig. 1-9, a mobile velocimeter comprises a radar velocimeter 3 and a support cylinder 1, wherein the support cylinder 1 supports the radar velocimeter 3 through a support plate 4, a base 9 is slidably arranged at the bottom side of the support cylinder 1, universal wheels 10 are connected to the bottom side of the base 9, the base 9 is slidably connected to the bottom side of the support cylinder 1 through an inserted link 8, a sliding sleeve 12 is slidably connected to the support cylinder 1, and a support leg 6 is connected to the sliding sleeve 12; when the speed measuring instrument needs to move, the sliding sleeve 12 moves upwards to drive the supporting leg 6 to move upwards and break away from the ground, the inserted rod 8 at the bottom side of the supporting cylinder 1 is pulled out downwards, so that the base 9 moves downwards, the universal wheel 10 lands, and the speed measuring instrument is convenient to move, so that different road sections can be detected, but the inserted rod 8 needs to be placed on the roadside for detection, the inserted rod 8 moves upwards to accommodate the base 9 and the universal wheel 10, the sliding sleeve 12 moves downwards at the same time, the sliding sleeve 12 drives the supporting leg 6 to move downwards, so that the supporting leg 6 supports the radar speed measuring instrument 3 for speed measurement, the universal wheel 10 breaks away from the opposite side at the moment, the supporting leg 6 supports the speed measuring instrument to ensure the stability, the sliding sleeve 12 is convenient to move when the speed measuring instrument needs to move, the support needs;
the first screw 30 is rotatably connected in the supporting cylinder 1, the lifting plate 26 is slidably connected in the supporting cylinder 1, a first screw hole matched with the first screw 30 is formed in the lifting plate 26, the lifting plate 26 is fixedly connected with the sliding sleeve 12, and the first screw hole matched with the first screw 30 is formed in the lifting plate 26 by rotating the first screw 30, so that the lifting plate 26 is driven to move up and down, the lifting plate 26 is fixedly connected with the sliding sleeve 12, and the lifting plate 26 drives the sliding sleeve 12 to move up and down;
the supporting leg 6 adopts an internal hollow barrel type structure, a pushing disc 33 is connected in the supporting leg 6 in a sliding and sealing mode, a telescopic stabilizing leg 7 is fixedly connected to the pushing disc 33, and the air outlet end of the inflator 21 is connected with the supporting leg 6 through a connecting pipe 34; the supporting legs 6 are of an internal hollow cylinder structure, when the supporting legs need to be unfolded and placed for speed measurement, the inflator 21 can be used for inflating the supporting legs 6 to push the push disc 33, so that the telescopic unfolding of the telescopic legs 7 is realized, the length of the supporting legs 6 is increased, the ground with different heights is used, and the speed measurement is convenient;
the connecting pipe 34 is connected with a one-way air outlet valve 35, the inflator 21 is connected with a one-way air inlet valve 38, the connecting pipe 34 is connected with a first air pipe 23 and a second air pipe 36 through a gas distribution pipe 37, the first air pipe 23 is connected with the supporting leg 6, the second air pipe 36 is connected with the pneumatic cylinder body 15, the supporting leg 6 is connected with a pressure release valve 24, and the sliding sleeve 12 is provided with a through hole 22; the first air pipe 23 and the second air pipe 36 can be respectively supplied with air through the air distributing pipe 37 on the connecting pipe 34, so that the pneumatic cylinder body 15 and the supporting leg 6 can be simultaneously inflated, and the telescopic expansion of the expansion supporting leg 6 and the telescopic leg 7 can be realized.
Example 3:
referring to fig. 1-9, a mobile velocimeter, which is substantially the same as that in embodiment 2, further, a lifting plate 26 is fixedly connected to a sliding sleeve 12 through a connecting block 25, a supporting cylinder 1 is provided with a sliding opening 2 matched with the connecting block 25, the lifting plate 26 is stably connected to the sliding sleeve 12 through the connecting block 25, and the sliding opening 2 provided in the supporting cylinder 1 ensures that the lifting plate 26 and the sliding sleeve 12 can slide up and down while being fixedly connected to the supporting cylinder 1;
a piston 41 is connected in the pneumatic cylinder 15 in a sliding manner, the piston 41 is fixedly connected with the pneumatic rod 14, and the pneumatic cylinder 15 is connected with an air release valve 40; the pneumatic cylinder 15 is inflated, so that the piston 41 is pushed to move, the pneumatic rod 14 is moved, and the supporting legs 6 are unfolded conveniently;
the pneumatic rod 14 is rotatably connected with the limiting slide block 5, and the supporting leg 6 is fixedly connected with a connecting groove plate 11 matched with the limiting slide block 5; the pneumatic rod 14 is ensured to stably push the supporting leg 6 to be unfolded.
Example 4:
referring to fig. 1 to 9, a mobile velocimeter, which is substantially the same as that in embodiment 2, further, a second screw 32 is connected to a bottom side of the first screw 30 through a connecting plate 31, and a second screw hole matched with the second screw 32 is formed on the insert rod 8; when first screw 30 is rotatory to be driven lifter plate 26 and sliding sleeve 12 and is realized supporting leg 6 rebound, first screw 30 drives second screw 32 through connecting plate 31 and removes, and set up the second screw that matches with second screw 32 on the inserted bar 8, thereby realize driving inserted bar 8 and remove downwards, the realization is to base 9 rebound, make universal wheel 10 land, be convenient for accomodate supporting leg 6 and make universal wheel 10 rebound land and remove simultaneously, be convenient for remove.
Example 5:
referring to fig. 1-9, a mobile velocimeter comprises a radar velocimeter 3 and a support cylinder 1, wherein the support cylinder 1 supports the radar velocimeter 3 through a support plate 4, a base 9 is slidably arranged at the bottom side of the support cylinder 1, universal wheels 10 are connected to the bottom side of the base 9, the base 9 is slidably connected to the bottom side of the support cylinder 1 through an inserted link 8, a sliding sleeve 12 is slidably connected to the support cylinder 1, and a support leg 6 is connected to the sliding sleeve 12; when the speed measuring instrument needs to move, the sliding sleeve 12 moves upwards to drive the supporting leg 6 to move upwards and break away from the ground, the inserted rod 8 at the bottom side of the supporting cylinder 1 is pulled out downwards, so that the base 9 moves downwards, the universal wheel 10 lands, and the speed measuring instrument is convenient to move, so that different road sections can be detected, but the inserted rod 8 needs to be placed on the roadside for detection, the inserted rod 8 moves upwards to accommodate the base 9 and the universal wheel 10, the sliding sleeve 12 moves downwards at the same time, the sliding sleeve 12 drives the supporting leg 6 to move downwards, so that the supporting leg 6 supports the radar speed measuring instrument 3 for speed measurement, the universal wheel 10 breaks away from the opposite side at the moment, the supporting leg 6 supports the speed measuring instrument to ensure the stability, the sliding sleeve 12 is convenient to move when the speed measuring instrument needs to move, the support needs;
the first screw 30 is rotatably connected in the supporting cylinder 1, the lifting plate 26 is slidably connected in the supporting cylinder 1, a first screw hole matched with the first screw 30 is formed in the lifting plate 26, the lifting plate 26 is fixedly connected with the sliding sleeve 12, and the first screw hole matched with the first screw 30 is formed in the lifting plate 26 by rotating the first screw 30, so that the lifting plate 26 is driven to move up and down, the lifting plate 26 is fixedly connected with the sliding sleeve 12, and the lifting plate 26 drives the sliding sleeve 12 to move up and down;
a driven conical gear 29 is fixedly sleeved at the upper end of the first screw 30, a driving rod 28 is rotatably connected to the support cylinder 1, one end of the driving rod 28 is arranged in the support cylinder 1 and is fixedly connected with a driving conical gear 27 meshed with the driven conical gear 29, and the other end of the driving rod 28 is fixedly connected with a rotating disc 17; when the first screw 30 needs to be rotated to be lifted and stored, the rotating disc 17 can be rotated, the rotating disc 17 drives the driving bevel gear 27 to rotate through the driving rod 28, and the driving bevel gear 27 drives the first screw 30 to rotate through the driven bevel gear 29;
the supporting cylinder 1 supports the radar velocimeter 3 through the supporting plate 4, the base 9 is arranged on the bottom side of the supporting cylinder 1 in a sliding mode, the universal wheels 10 are connected to the bottom side of the base 9, and the base 9 is connected to the bottom side of the supporting cylinder 1 in a sliding mode through the inserted rods 8; when the speedometer needs to move, the universal wheels 10 land, so that the speedometer is convenient to move, different road sections can be detected, but when the speedometer needs to be placed on the roadside for detection, the supporting legs 6 support the radar speedometer 3 for speed measurement;
a first screw 30 is rotatably connected in the supporting cylinder 1, a lifting plate 26 is slidably connected in the supporting cylinder 1, a first screw hole matched with the first screw 30 is formed in the lifting plate 26, the lifting plate 26 is fixedly connected with the sliding sleeve 12 through a connecting block 25, and a sliding opening 2 matched with the connecting block 25 is formed in the supporting cylinder 1; the up-and-down movement of the sliding sleeve 12 is realized through the first screw 30 and the lifting plate 26, the lifting plate 26 and the sliding sleeve 12 can be stably connected through the connecting block 25, and meanwhile, the sliding opening 2 formed in the supporting cylinder 1 ensures that the lifting plate 26 and the sliding sleeve 12 can slide up and down while being fixedly connected on the supporting cylinder 1;
a driven conical gear 29 is fixedly sleeved at the upper end of the first screw 30, a driving rod 28 is rotatably connected to the support cylinder 1, one end of the driving rod 28 is arranged in the support cylinder 1 and is fixedly connected with a driving conical gear 27 meshed with the driven conical gear 29, and the other end of the driving rod 28 is fixedly connected with a rotating disc 17; by rotating the rotary disk 17, the rotary disk 17 rotates the driving bevel gear 27 through the driving rod 28, and the driving bevel gear 27 rotates the first screw 30 through the driven bevel gear 29.
Example 6:
referring to fig. 1 to 9, a mobile velocimeter is substantially the same as that of embodiment 5, except that the support leg 6 is of an internal hollow cylindrical structure, a push disk 33 is connected to the support leg 6 in a sliding and sealing manner, and a telescopic stabilizing leg 7 is fixedly connected to the push disk 33; the supporting legs 6 are of an internal hollow cylinder structure, when the supporting legs are required to be unfolded and placed for speed measurement, the push disc 33 can be pushed by inflating the supporting legs 6, so that the telescopic unfolding of the telescopic legs 7 is realized, the length of the supporting legs 6 is increased, the ground with different heights is used, and the speed measurement is convenient;
an inflator 21 is fixedly connected to the support barrel 1, and the air outlet end of the inflator 21 is connected with the support leg 6 through a connecting pipe 34; the supporting leg 6 is conveniently inflated by an inflator 21;
the inflator 21 is connected with a one-way air inlet valve 38, the connecting pipe 34 is connected with a one-way air outlet valve 35, the connecting pipe 34 is connected with a first air pipe 23 through a gas distribution pipe 37, and the first air pipe 23 is communicated with the supporting leg 6; when the inflator 21 sucks air, air is sucked through the one-way air inlet valve 38, and when the inflator is inflated, the air is inflated to the air distribution pipe 37 through the one-way air outlet valve 35 on the connecting pipe 34, so that the supporting leg 6 is inflated through the first air pipe 23;
a piston disc 39 is slidably connected in the inflator 21, an inflating rod 20 is fixedly connected to the piston disc 39, the upper end of the inflating rod 20 is rotatably connected with a connecting rod 18 through a U-shaped connecting plate 19, and the upper end of the connecting rod 18 is rotatably connected with a rotating disc 17; the supporting legs 6 are connected with the pressure relief valves 24, the inflator 21 is connected with the piston disc 39 in a sliding mode, the piston disc 39 is fixedly connected with the inflating rods 20, the upper ends of the inflating rods 20 are connected with the connecting rods 18 in a rotating mode through the U-shaped connecting plates 19, the upper ends of the connecting rods 18 are connected with the rotating disc 17 in a rotating mode, the pressure relief valves 24 connected to the supporting legs 6 can control the pressure relief valves 24 on the three supporting legs 6 according to different ground, the three supporting legs 6 are applicable to uneven ground, stability is guaranteed, when the supporting legs 6 are stored, the pressure relief valves 24 are opened, the telescopic legs 7 are convenient to store, when the base 9 moves upwards to store the universal wheels 10 and the sliding sleeves 12 move downwards to unfold the supporting legs 6, the operation can be conducted through the rotating disc 17, meanwhile, the rotating disc 17 can drive the inflating rods 20 to, thereby, the operation of the inflator 21 is performed, and the support leg 6 is inflated, and the telescopic leg 7 is expanded while the support leg 6 is expanded.
Example 7:
referring to fig. 1 to 9, a mobile velocimeter, which is substantially the same as that of embodiment 5, further, a driving gear 16 is rotatably connected to the support cylinder 1, gear teeth engaged with the driving gear 16 are provided on an outer ring of the rotating disk 17, and a handle is connected to the driving gear 16; the driving gear 16 and the handle are convenient for driving the rotating disc 17 to rotate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The support leg structure of the mobile velocimeter comprises a support leg (6) and is characterized in that the support leg (6) is connected to a support barrel (1) in a sliding mode, the support leg (6) is connected to the support barrel (1) in a sliding mode through a sliding sleeve (12), the support leg (6) is connected to the sliding sleeve (12) in a rotating mode, a pneumatic cylinder body (15) is fixedly connected to the bottom side of the sliding sleeve (12) through a connecting rod (13), a pneumatic rod (14) is connected to the pneumatic cylinder body (15), the pneumatic rod (14) is connected to the support leg (6), an inflator (21) is fixedly connected to the support barrel (1), and the air outlet end of the inflator (21) is connected with the pneumatic cylinder body (15) through a connecting pipe (34); the supporting leg (6) is of an internal hollow cylinder structure, a pushing disc (33) is connected in the supporting leg (6) in a sliding and sealing mode, a telescopic stabilizing leg (7) is fixedly connected to the pushing disc (33), and the air outlet end of the inflator (21) is connected with the supporting leg (6) through a connecting pipe (34); the connecting pipe (34) is connected with a one-way air outlet valve (35), the inflator (21) is connected with a one-way air inlet valve (38), the connecting pipe (34) is connected with a first air conveying pipe (23) and a second air conveying pipe (36) through an air distributing pipe (37), the first air conveying pipe (23) is connected with the supporting leg (6), the second air conveying pipe (36) is connected with the pneumatic cylinder body (15), the supporting leg (6) is connected with a pressure relief valve (24), and the sliding sleeve (12) is provided with a through hole (22); a piston (41) is connected in the pneumatic cylinder body (15) in a sliding manner, the piston (41) is fixedly connected with a pneumatic rod (14), and an air release valve (40) is connected on the pneumatic cylinder body (15); the pneumatic rod (14) is rotatably connected with a limiting slide block (5), and the supporting leg (6) is fixedly connected with a connecting groove plate (11) matched with the limiting slide block (5); the radar speed measuring instrument (3) is supported by the supporting cylinder (1) through the supporting plate (4), a base (9) is arranged on the bottom side of the supporting cylinder (1) in a sliding mode, universal wheels (10) are connected to the bottom side of the base (9), and the base (9) is connected to the bottom side of the supporting cylinder (1) in a sliding mode through an inserting rod (8); a first screw rod (30) is rotatably connected in the supporting cylinder (1), a lifting plate (26) is slidably connected in the supporting cylinder (1), a first screw hole matched with the first screw rod (30) is formed in the lifting plate (26), the lifting plate (26) is fixedly connected with the sliding sleeve (12) through a connecting block (25), and a sliding opening (2) matched with the connecting block (25) is formed in the supporting cylinder (1); a driven conical gear (29) is fixedly sleeved at the upper end of the first screw rod (30), a driving rod (28) is rotatably connected to the supporting cylinder (1), one end of the driving rod (28) is arranged in the supporting cylinder (1) and is fixedly connected with a driving conical gear (27) meshed with the driven conical gear (29), and the other end of the driving rod (28) is fixedly connected with a rotating disc (17); the inflator (21) is connected with a piston disc (39) in a sliding mode, an inflating rod (20) is fixedly connected to the piston disc (39), the upper end of the inflating rod (20) is rotatably connected with a connecting rod (18) through a U-shaped connecting plate (19), and the upper end of the connecting rod (18) is rotatably connected with a rotating disc (17).
2. The supporting leg structure of a mobile velocimeter according to claim 1, wherein the supporting tube (1) is rotatably connected with a driving gear (16), the outer ring of the rotating disc (17) is provided with gear teeth engaged with the driving gear (16), and the driving gear (16) is connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009524.XA CN109654352B (en) | 2019-01-04 | 2019-01-04 | Landing leg structure of portable tachymeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009524.XA CN109654352B (en) | 2019-01-04 | 2019-01-04 | Landing leg structure of portable tachymeter |
Publications (2)
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