Clamping and positioning device of mobile radar velocimeter

Abstract

The utility model provides a clamping and positioning device of a mobile radar velocimeter, which is characterized in that the clamping and positioning device comprises a frame body, a velocimeter body and a mobile positioning device, the frame body comprises a mounting seat and a base, the top of the base is connected with the mounting seat, and the mobile positioning device is arranged below the base; an insertion hole is formed in the top of the mounting seat, a speed measuring instrument body is supported on the mounting seat, and a mounting rod is connected below the speed measuring instrument body and inserted into the insertion hole; the mobile positioning device comprises a telescopic mechanism, a positioning mechanism and a supporting mechanism; the output end of the positioning mechanism extends to the telescopic mechanism, the positioning mechanism is used for positioning the telescopic mechanism to keep an extension state or a shortening state, and the bottom of the telescopic mechanism is fixedly connected with the supporting mechanism used for supporting the frame body. The clamping and positioning device of the mobile radar velocimeter can be switched between a sliding mode and a fixed mode, so that monitoring data of the instrument are more accurate, meanwhile, the situation that the instrument is lifted manually to increase the labor cost is avoided, and meanwhile the risk of machine damage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping positioning device, concretely relates to a clamping positioning device of mobile radar speedometer. BACKGROUND

[0002] A speedometer determines the speed of an object by emitting a laser pulse and measuring the time it takes to reach a target and return. Since the speed of light is known, by calculating the round trip time of the laser pulse, the distance of the target object can be obtained. To improve the accuracy of the measurement, the laser speedometer will continuously emit multiple pulses and use the least squares method to calculate the average speed of these measurements. In practical applications, this device usually needs to be fixed in a certain position to ensure the stability of the measurement process and reduce errors.

[0003] The common radar speedometer clamping positioning device inserts the radar speedometer into the disc seat through the bolt, the bolt and the disc seat are connected through the thread, the tripod is installed at the bottom of the disc seat, the frame body is fixed by the tripod, since the tripod has the steering wheel at the bottom, the whole radar speedometer clamping positioning device and the radar speedometer have the possibility of moving together, and the radar speedometer is not accurate in measurement. SUMMARY

[0004] The utility model provides a kind of clamping positioning device of mobile radar speedometer, solve the problem that radar speedometer cannot be stabilized due to the steering wheel setting at the bottom of tripod in prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: the utility model provides a kind of clamping positioning device of mobile radar speedometer, comprising: frame body, speedometer body and mobile positioning device,

[0006] The frame body includes: mounting seat and base, the mounting seat is connected at the top of the base, and the mobile positioning device is arranged below the base;

[0007] The mounting seat is provided with a socket at the top, the speedometer body is supported on the mounting seat, the mounting rod is connected below the speedometer body, and the mounting rod is inserted into the socket;

[0008] The mobile positioning device includes: telescopic mechanism, positioning mechanism and support mechanism; three telescopic mechanisms are installed at the bottom of the base, the three telescopic mechanisms are in the form of tripod structure, the positioning mechanism is arranged in the base, the output end of the positioning mechanism extends to the telescopic mechanism, the positioning mechanism is used to position the telescopic mechanism to keep the elongated state or shortened state, the support mechanism is fixedly connected to the bottom of the telescopic mechanism, and the support mechanism is used to support the frame body.

[0009] Preferably, the telescopic mechanism comprises a guide cylinder and a telescopic foot, the guide cylinder is fixed to the base and communicates with the base, the telescopic foot is installed in the guide cylinder and can be telescoped, and the output end of the positioning mechanism acts on the telescopic foot.

[0010] Preferably, the positioning mechanism comprises a lifting disc, a positioning hook arm, a fixing seat and a second spring, the lifting disc is located in the base, the lifting disc is installed on the fixing seat which can move in the radial direction, the bottom of the fixing seat is hingedly connected to one end of the positioning hook arm, the middle of the positioning hook arm is hingedly connected to the inner wall of the guide cylinder, and the other end of the positioning hook arm is used for hooking the telescopic foot; the lifting disc and the bottom of the base are connected through the second spring, the lifting disc can move up and down relative to the base, and the second spring is used for keeping the telescopic foot hooked by the positioning hook arm.

[0011] Preferably, the bottom of the positioning hook arm protrudes a hook, and the end of the telescopic foot close to the positioning hook arm is provided with a hook slot for inserting the hook.

[0012] Preferably, the inner wall of the end of the guide cylinder close to the base is provided with a barrier, the telescopic foot and the barrier are connected through the first spring, the telescopic foot can move relative to the guide cylinder, and the first spring is used for retracting the telescopic foot into the guide cylinder.

[0013] Preferably, the bottom of the telescopic foot is provided with a steering wheel, the steering wheel is rotatably installed on a walking seat, the walking seat is hingedly connected to the telescopic foot through a vertical shaft, and the walking seat can rotate relative to the vertical shaft.

[0014] Preferably, the lower part of the guide cylinder is connected with a supporting mechanism, the supporting mechanism comprises a supporting column, the supporting column is a hollow structure, the supporting column is sleeved outside the vertical shaft, the supporting column is provided with a telescopic slot, the top of the vertical shaft can rotate relative to the supporting column, and the telescopic slot is used for retracting or extending the vertical shaft and the steering wheel.

[0015] Preferably, the edge of the lifting disc protrudes a pressing arm, the pressing arm is an L-shaped structure, the side of the base is provided with a pressing slot, the end of the pressing arm extends out of the pressing slot, and the pressing arm can slide in the pressing slot.

[0016] Compared with the prior art, the mobile radar speedometer has the following beneficial effects: the clamping and positioning device of the mobile radar speedometer is provided with a mobile positioning device, the pressure arm on the lifting disc is pressed to lower the lifting disc, the lifting disc drives the positioning hook arm to rotate and separate from the positioning groove of the telescopic foot, the telescopic foot is guided and pulled back into the guiding cylinder inner wall by the first spring, the telescopic foot is retracted into the guiding cylinder, the telescopic foot retracts the steering wheel into the positioning mechanism below the telescopic foot, the positioning column of the positioning mechanism contacts the ground to stabilize the position of the device, the purpose of stabilizing the radar speedometer is achieved, that is, the purpose of stabilizing the clamping and positioning device of the whole radar speedometer and the radar speedometer, and the situation that the radar speedometer detection result is unstable due to random movement is avoided, which is the fixing mode. When it is needed to use, the lifting disc is also pressed down, the telescopic foot is pulled out of the guiding cylinder by the positioning hook arm, after the telescopic foot is elongated, the lifting disc is released, the lifting disc is raised under the elastic force of the second spring, the lifting disc drives the top end of the positioning hook arm to be raised, the clamping hook on the positioning hook arm is re-clamped into the positioning groove, so that the telescopic mechanism remains in the elongated state, then, the telescopic foot drives the steering wheel to protrude out of the supporting column, that is, the steering wheel contacts the ground to slide, so that the radar speedometer is transferred to the destination, which is the sliding mode.

[0017] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a schematic view of the clamping and positioning device of the mobile radar speedometer.

[0019] Fig. 2 It is a perspective view of the clamping and positioning device of the mobile radar speedometer.

[0020] Fig. 3 It is a sectional view of the telescopic mechanism.

[0021] The drawings show: frame body 1, mounting seat 11, base 12, mounting rod 13, speedometer body 2, mobile positioning device 3, telescopic mechanism 31, guiding cylinder 311, telescopic foot 312, barrier 313, first spring 314, steering wheel 315, positioning mechanism 32, lifting disc 321, positioning hook arm 322, fixed seat 323, second spring 324, clamping hook 325, supporting mechanism 33, supporting column 331, telescopic groove 332, pressure arm 4, pressure groove 5. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the present application more clear and easy to understand, the present application will be further described below in conjunction with the drawings and specific embodiments:

[0023] AsFigs. 1 to 3 The utility model provides a kind of clamping and positioning device of mobile radar speedometer shown, comprising: frame body 1, speedometer body 2 and mobile positioning device 3, frame body 1 includes: mounting seat 11 and base 12, the top of base 12 is connected with mounting seat 11, and the below of base 12 is equipped with mobile positioning device 3;Mounting seat 11 top has jack, and mounting seat 11 is supported with speedometer body 2, and speedometer body 2 below is connected mounting rod 13, and mounting rod 13 is inserted into jack;Mobile positioning device 3 includes: telescopic mechanism 31, positioning mechanism 32 and support mechanism 33;Three telescopic mechanisms 31 are installed on the bottom of base 12, and three telescopic mechanisms 31 are three-legged structure, positioning mechanism 32 is located in base 12, and the output of positioning mechanism 32 extends to telescopic mechanism 31, and positioning mechanism 32 is used for positioning telescopic mechanism 31 to keep elongation state or shorten state, and telescopic mechanism 31 bottom is fixedly connected with support mechanism 33, and support mechanism 33 is used for supporting frame body 1.When pressing the lifting disc of positioning mechanism 32 with hand, positioning mechanism 32 is positioned and released to telescopic foot 312 in telescopic mechanism 31, realizes adjusting a lifting disc, and simultaneously three telescopic structures can be positioned or released.

[0024] Telescopic mechanism 31 includes: guide cylinder 311 and telescopic foot 312, guide cylinder 311 is fixed to base 12, and guide cylinder 311 is communicated with base 12, and telescopic foot 312 that can be telescopic is installed in guide cylinder 311, and the output of positioning mechanism 32 acts on telescopic foot 312.It is realized that telescopic foot 312 in telescopic mechanism 31 can be telescopic movement under the guidance of guide cylinder 311.

[0025] Positioning mechanism 32 includes: lifting disc 321, positioning hook arm 322, fixed seat 323 and second spring 324, lifting disc 321 is located in base 12, and lifting disc 321 is installed in fixed seat 323 that can move in radial direction, and the bottom of fixed seat 323 is hinged with one end of positioning hook arm 322, and the middle part of positioning hook arm 322 is hinged to the inner wall of guide cylinder 311, and the other end of positioning hook arm 322 is used for hooking telescopic foot 312;Lifting disc 321 is connected between the bottom of base 12 by second spring 324, and lifting disc 321 can move up and down relative to base 12, and second spring 324 is used for keeping telescopic foot 312 hooked by positioning hook arm 322.When telescopic foot 312 is pulled to the fixed position, positioning hook arm 322 can hook telescopic foot 312, and the state that telescopic foot 312 is kept from guide cylinder is kept.When lifting disc 321 is pressed, positioning hook arm 322 is separated from telescopic foot 312, and first spring 314 pulls telescopic foot 312 back upward, so that telescopic foot 312 is higher than support mechanism 33, and the device changes from sliding state to fixed state.Of course, two hook grooves can be provided on telescopic foot 312, one hook groove is used for positioning hook arm 322 to extend into when positioning telescopic foot 312 to keep retracted state, and the other hook groove is used for positioning hook arm 322 to extend into when positioning telescopic foot 312 to keep elongation state.

[0026] The bottom of the positioning hook arm 322 is provided with a hook 325, and the telescopic leg 312 is provided with a hook slot near one end of the positioning hook arm 322 for inserting the hook 325.

[0027] The inner wall of the guide cylinder 311 near one end of the base 12 is provided with a partition 313, and the telescopic leg 312 is connected with the partition 313 through a first spring 314. The telescopic leg 312 can move relative to the guide cylinder 311, and the first spring 314 is used for retracting the telescopic leg 312 into the guide cylinder 311. The partition 313 is used for installing the first spring 314.

[0028] The bottom of the telescopic leg 312 is provided with a steering wheel 315, which is rotatably installed on a walking seat. The walking seat is hingedly connected to the telescopic leg 312 through a vertical shaft, and the walking seat can rotate relative to the vertical shaft. The steering wheel 315 can drive the device to handle the sliding state, and facilitate the device to be carried.

[0029] The lower part of the guide cylinder 311 is connected with a supporting mechanism 33. The supporting mechanism 33 comprises a supporting column 331. The supporting column 331 is a hollow structure, and is sleeved on the vertical shaft. The supporting column 331 is provided with a telescopic slot 332. The top of the vertical shaft can rotate relative to the supporting column 331. The telescopic slot 332 is used for retracting or extending the vertical shaft and the steering wheel 315. When the telescopic leg 312 is retracted upward through the telescopic slot 332, the supporting column 331 contacts the ground. At this time, the supporting column 331 fixes the device. When the telescopic leg 312 is fixed by the positioning mechanism 32, the telescopic leg 312 is extended downward through the telescopic slot 332, so that the steering wheel 315 contacts the ground, and the supporting column 331 is relatively raised. At this time, the device can slide.

[0030] The edge of the lifting disc 321 is provided with a pressing arm 4. The pressing arm 4 is an L-shaped structure. The side of the base 12 is provided with a pressing slot 5. The end of the pressing arm 4 extends out of the pressing slot 5, and the pressing arm 4 can slide in the pressing slot 5. The pressing arm 4 is pressed downward through the pressing slot 5, so that the lifting disc 321 is lowered, and the hook 325 of the positioning hook arm 322 is separated from the positioning slot. Thus, the hook 325 on the positioning hook arm is released to retract the telescopic leg. The pressing arm 4 has the function of assisting to adjust the lifting disc 321.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application. They should be covered in the scope of the claims of the present application.

Claims

1. A clamping and positioning device for a mobile radar speed measuring device, characterized in that The utility model relates to a kind of speedometer, including: Frame (1), speedometer body (2) and mobile positioning device (3), Frame (1) includes: mounting seat (11) and base (12), the top of base (12) is connected with mounting seat (11), and the lower portion of base (12) is equipped with mobile positioning device (3); Mounting seat (11) top has a jack, and mounting seat (11) is supported with speedometer body (2), and the lower portion of speedometer body (2) is connected with mounting rod (13), and mounting rod (13) is inserted into jack. Mobile positioning device (3) includes: telescopic mechanism (31), positioning mechanism (32) and support mechanism (33);The bottom of base (12) is equipped with three telescopic mechanisms (31), and three telescopic mechanisms (31) are in tripod structure, and positioning mechanism (32) is located in base (12), and the output of positioning mechanism (32) extends to telescopic mechanism (31), and positioning mechanism (32) is used to position telescopic mechanism (31) to keep elongation state or shorten state, and the bottom of telescopic mechanism (31) is fixedly connected with support mechanism (33), and support mechanism (33) is used to support frame (1).

2. The clamp positioning device for a mobile radar speed measuring device according to claim 1, characterized in that Telescopic mechanism (31) includes: guide cylinder (311) and telescopic leg (312), guide cylinder (311) is fixed to base (12), and guide cylinder (311) is communicated with base (12), and telescopic leg (312) is installed in guide cylinder (311) and can be telescopic, and the output of positioning mechanism (32) acts on telescopic leg (312).

3. The clamp positioning device for a mobile radar speed measuring device according to claim 2, characterized in that Positioning mechanism (32) includes: lifting disc (321), positioning hook arm (322), fixed seat (323) and second spring (324), lifting disc (321) is located in base (12), and lifting disc (321) is installed in fixed seat (323) and can move in radial direction, and the bottom of fixed seat (323) is hinged with one end of positioning hook arm (322), and the middle part of positioning hook arm (322) is hinged to the inner wall of guide cylinder (311), and the other end of positioning hook arm (322) is used to hook telescopic leg (312);Lifting disc (321) and the bottom of base (12) are connected by second spring (324), and lifting disc (321) can move up and down relative to base (12), and second spring (324) is used to keep positioning hook arm (322) to hook telescopic leg (312).

4. The clamp positioning device for a mobile radar speed measuring device according to claim 3, characterized in that The bottom of positioning hook arm (322) protrudes with hook (325), and the end close to positioning hook arm (322) of telescopic leg (312) is provided with hook groove for inserting hook (325).

5. The clamp positioning device for a mobile radar speed measuring device according to claim 4, characterized in that The inner wall of guide cylinder (311) close to one end of base (12) is equipped with barrier (313), and telescopic leg (312) and barrier (313) are connected by first spring (314), and telescopic leg (312) can move relative to guide cylinder (311), and first spring (314) is used to retract telescopic leg (312) into guide cylinder (311).

6. The clamp positioning device for a mobile radar speed measuring device according to claim 5, characterized in that The bottom of telescopic leg (312) is equipped with steering wheel (315), and steering wheel (315) is rotatably installed on walking seat, and walking seat is hinged on telescopic leg (312) through vertical shaft, and walking seat can rotate relative to vertical shaft.

7. The clamp positioning device for a mobile radar speed measuring device according to claim 6, characterized in that The lower part of the guide cylinder (311) is connected with a support mechanism (33), which comprises a support column (331) with a hollow structure, the support column (331) is sleeved outside the vertical shaft, the support column (331) is provided with a telescopic slot (332), the top of the vertical shaft can rotate relative to the support column (331), and the telescopic slot (332) is used for retracting or extending the vertical shaft and the steering wheel (315).

8. The clamp positioning device for a mobile radar speed measuring device according to claim 7, characterized in that The edge of the lifting disc (321) is provided with a pressing arm (4) which is L-shaped, the side of the base (12) is provided with a pressing slot (5), the end of the pressing arm (4) extends out of the pressing slot (5), and the pressing arm (4) can slide in the pressing slot (5).

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