CN211855267U

CN211855267U - A calibration device for motor vehicle overall dimension detects

Info

Publication number: CN211855267U
Application number: CN201922259909.XU
Authority: CN
Inventors: 侯飞飞
Original assignee: Guizhou Ronghua Motor Vehicle Testing Co ltd
Current assignee: Guizhou Ronghua Motor Vehicle Testing Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-11-03
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a calibration device for motor vehicle overall dimension detects, including calibration pole and two fixed subassemblies, it is equipped with a level measurement mechanism to add on the sill bar face central point of calibration pole puts, rotatory spheroid adaptation cooperation is installed in spheroid holding intracavity, gravity supports to form a whole with both with integrative fixed mode behind the pendulum rod passing rotatory spheroidal sphere, in the dynamics transmission chamber, correspond to support and overlap with the fixed cover of axle center with the welded mode on the top body of rod of pendulum rod, six groups of elasticity extension springs have been arranged to the angle equipartition that the interval equals on the mantle wall of follow-up cover along the circumferencial direction, the one end fixed connection of pressure spring resets on the L shape push-and-pull rod, the other end fixed connection of pressure spring resets is on pressure sensor. The utility model discloses when measuring the levelness of calibration rod, no longer use the big range estimation method of error, but adopt the sensor to carry out the certainty of levelness, the accuracy is improved greatly.

Description

A calibration device for motor vehicle overall dimension detects

Technical Field

The utility model relates to a relevant technical field of automobile inspection specifically is a calibration device for motor vehicle overall dimension detects.

Background

The vehicle management station and the motor vehicle detection station both require forced detection of the overall dimensions of the newly registered motor vehicle and the motor vehicle in use; in the process of treating overload and overrun illegal behaviors, the highway department also needs to detect the out-of-limit various vehicle dimensions.

At present, in measuring the overall dimension of a motor vehicle, measuring methods such as laser measurement, infrared measurement and stereo imaging measurement are generally adopted, but no matter which measuring method is adopted, calibration by a calibration device is required to be realized.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a calibration device for detecting the overall dimension of a motor vehicle in a use state of the prior art, which is disclosed in a patent of utility model application No. CN201720183253 on the chinese patent web, the calibration device specifically includes a calibration rod 1 and two fixing components 2, the fixing components 2 include a base, a magnet and a connecting sleeve body, the calibration rod 1 is connected with the connecting sleeve body in a nesting manner, the calibration rod 1 can slide relative to the connecting sleeve body, and the remaining specific detailed structure is described in detail in the patent and is not repeated here, although the simple detection and marking of the overall dimension of the motor vehicle can be performed by using the calibration device, there is a serious problem that since no auxiliary mechanism is designed on the calibration rod 1, the calibration rod 1 can only be placed horizontally by using a visual inspection method in practical use, the visual observation effect has large error, the accuracy of the horizontal state of the calibration rod 1 is difficult to ensure, the effect is poor, and the marking failure is easy to cause.

In order to solve the above-mentioned levelness problem, an improved calibration device for detecting the overall dimension of a motor vehicle is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calibration device for motor vehicle overall dimension detects to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a calibration device for detecting the overall dimension of a motor vehicle comprises a calibration rod and two fixed components, wherein a horizontal measurement mechanism is additionally arranged at the center of the bottom rod surface of the calibration rod and comprises an installation top plate, an equipment box and a support hanging bracket which are fixedly connected from top to bottom, the installation top plate is fixed on the bottom rod surface of the calibration rod through fastening bolts at four corners, a sphere containing cavity is formed in the center of the lower frame body of the support hanging bracket, a force transmission cavity is formed in the upper frame body of the support hanging bracket, a rotary sphere is installed in the sphere containing cavity in an adaptive fit manner, a gravity support swing rod penetrates through the sphere center of the rotary sphere to form a whole in an integrated fixing manner, the gravity support swing rod is arranged in an initial state in a vertical state, a counterweight cone head with an arrow-shaped cross section is fixedly arranged at the bottom end of the gravity support swing rod, and a counterweight cone head with an, Correspond and to be equipped with the follow-up cover with the fixed cover of axle center with the welded mode on the top body of rod of support pendulum rod, six groups of elastic tension springs have been arranged along the equal angle equipartition in interval on the circumferencial direction on the mantle wall of follow-up cover, and the other end of every elastic tension spring is fixed to on the L shape push-and-pull rod, the inside adaptation of L shape push-and-pull rod stretches into the independent transfer chamber of seting up in the frame of support gallows, and each correspondence in every independent transfer chamber disposes a pressure sensor, and pressure sensor is in the inboard position department in bottom of L shape push-and-pull rod, and the pressure spring that resets is the horizontality setting, and the one end fixed connection of pressure spring that resets is.

As a further aspect of the present invention: the fixing assembly comprises a base, a magnet and a connecting sleeve body, the calibration rod is connected with the connecting sleeve body in a nested mode, and the calibration rod can slide relative to the connecting sleeve body.

As a further aspect of the present invention: a microprocessor is arranged in a box cavity of the equipment box, and the six pressure sensors are connected to the microprocessor in the equipment box through respective corresponding lead signals.

As a further aspect of the present invention: the wireless transceiver module is correspondingly installed on the microprocessor, the microprocessor is electrically connected to the storage battery, and the storage battery supplies electric energy to the pressure sensor, the wireless transceiver module and the microprocessor.

Compared with the prior art, the beneficial effects of the utility model are that: the levelness measuring mechanism is additionally arranged at the central position of the bottom rod surface of the calibration rod, when the levelness of the calibration rod is measured, a visual measurement method with large error is not used, but a sensor is used for determining the levelness, so that the error defect caused by the traditional method that the levelness is measured by visual measurement is overcome, the accuracy is greatly improved, the measurement accuracy is ensured, the effect is good, good assistance is provided for the success of subsequent marking, the safety and the reliability are realized, and the popularization and application values are wide.

Drawings

Fig. 1 is a schematic structural diagram of a calibration device for detecting the dimensions of a motor vehicle in the prior art in a use state.

Fig. 2 is a schematic structural diagram of an improved calibration device for detecting the dimensions of a motor vehicle in a use state.

Fig. 3 is a specific structural diagram of a horizontal measuring mechanism in an improved calibration device for detecting the overall dimension of a motor vehicle.

Fig. 4 is a schematic diagram of an arrangement structure of six groups of elastic tension springs in an improved calibration device for detecting the overall dimension of a motor vehicle.

Fig. 5 is a schematic diagram of the internal structure of a separate transfer chamber in an improved calibration device for detecting the overall dimension of a motor vehicle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a calibration device for detecting the overall dimension of a motor vehicle in a use state of the prior art, which is disclosed in a patent of utility model application No. CN201720183253 on the chinese patent web, the calibration device specifically includes a calibration rod 1 and two fixing components 2, the fixing components 2 include a base, a magnet and a connecting sleeve body, the calibration rod 1 is connected with the connecting sleeve body in a nesting manner, the calibration rod 1 can slide relative to the connecting sleeve body, and the remaining specific detailed structure is described in detail in the patent and is not repeated here, although the simple detection and marking of the overall dimension of the motor vehicle can be performed by using the calibration device, there is a serious problem that since no auxiliary mechanism is designed on the calibration rod 1, the calibration rod 1 can only be placed horizontally by using a visual inspection method in practical use, the visual inspection effect error is very big, is difficult to ensure the accuracy that calibration rod 1 is in the horizontality, and the effect is very poor, leads to the mark failure easily, for solving the levelness problem mentioned above, has designed a calibration device for motor vehicle overall dimension after the improvement now.

Referring to fig. 2-5, in an embodiment of the present invention, a calibration device for detecting the overall dimensions of a motor vehicle, the basic structure of the calibration device is the same as the prior art (a utility model patent with application number CN201720183253 disclosed on a patent web), and the calibration device also includes a calibration rod 1 and two fixing components 2, the fixing components 2 include a base, a magnet and a connecting sleeve, the calibration rod 1 is connected with the connecting sleeve in a nesting manner, and the calibration rod 1 can slide relative to the connecting sleeve, except that a horizontal measuring mechanism 4 is additionally installed at the central position of the bottom rod surface of the calibration rod 1, the horizontal measuring mechanism 4 includes a mounting top plate 5, an equipment box 6 and a supporting hanger 8 which are integrally and fixedly connected from top to bottom, the mounting top plate 5 is fixed on the bottom rod surface of the calibration rod 1 through fastening bolts 7 at four corners, a sphere receiving cavity 801 is opened at the center of the lower frame body of the supporting hanger 8, and a force transmitting cavity 802 is opened in the upper frame body, the rotary sphere 9 is fittingly installed in the sphere containing cavity 801, the gravity support swing rod 11 penetrates through the center of the rotary sphere 9 and then forms a whole in an integrally fixed manner, the gravity support swing rod 11 is vertically arranged in an initial state, the bottom end of the gravity support swing rod 11 is fixedly provided with a counterweight conical head 12 with an arrow-shaped section, a follow-up sleeve 16 is fixedly sleeved on the top rod body of the corresponding support swing rod 11 in the force transmission cavity 802 in a welding manner coaxially, six groups of elastic tension springs 13 are uniformly arranged on the sleeve wall of the follow-up sleeve 16 at equal intervals along the circumferential direction, the other end of each elastic tension spring 13 is fixedly connected to an L-shaped push-pull rod 14, the L-shaped push-pull rod 14 is fittingly inserted into an independent transmission chamber 15 formed in the frame body of the support hanger 8, and a pressure sensor 18 is correspondingly arranged in each independent transmission chamber 15, the pressure sensor 18 is positioned at the inner side of the bottom of the L-shaped push-pull rod 14, the reset compression spring 17 is arranged in a horizontal state, one end of the reset compression spring 17 is fixedly connected to the L-shaped push-pull rod 14, and the other end of the reset compression spring 17 is fixedly connected to the pressure sensor 18.

Wherein, dispose microprocessor in the box cavity of equipment box 6, six pressure sensor 18 are through respectively corresponding wire signal connection to the microprocessor in the equipment box 6 on, the last wireless transceiver module of corresponding installation of microprocessor, microprocessor electric connection to battery carries out the supply of electric energy by the battery to pressure sensor 18, wireless transceiver module and microprocessor, and the signal transmission between pressure sensor, microprocessor and the wireless transceiver module is mature prior art, and its theory of operation need not to be repeated here.

Through improving prior art (a utility model patent with application number CN201720183253 that is published on the patent net), add on the sill bar face central point of demarcation pole 1 and be equipped with a level measurement mechanism 4, be provided with and support gallows 8, spheroid holding chamber 801, dynamics transmission chamber 802, rotatory spheroid 9, gravity support pendulum rod 11, counter weight conical head 12, follow-up cover 16, elastic tension spring 13, L shape push-and-pull rod 14, pressure sensor 18 and pressure spring 17 that resets, when specifically using, when measuring the levelness of demarcation pole 1, the visual method that error is big no longer uses, but adopt the sensor to carry out the affirmation of levelness, in case when the demarcation pole 1 appears inclining, because the lower part support body central point of support gallows 8 has seted up spheroid holding chamber 801 and rotatory spheroid 9 adaptation cooperation is installed in spheroid holding chamber 801, under the action of gravity principle, counter weight conical head 12 that the cross-section of gravity support pendulum rod 11 bottom mounting configuration is the arrow shape can point to all the time to the directional counter weight conical head of arrow shape all the On the ground, when the rotary sphere 9 rotates in the sphere containing cavity 801, the angle of the gravity support swing rod 11 relative to the support hanger 8 changes obliquely, and because the follower sleeve 16 is fixedly sleeved on the top rod body of the support swing rod 11 coaxially in a welding manner and six groups of elastic tension springs 13 are uniformly distributed on the sleeve wall of the follower sleeve 16 at equal intervals along the circumferential direction, the follower sleeve 16 tilts relatively, at the moment, the elastic tension springs 13 deform, the force transmitted to the pressure sensor 18 by the acting force of the L-shaped push-pull rod 14 and the reset pressure spring 17 changes synchronously, that is, the pressure data detected by the pressure sensor 18 changes correspondingly, the support hanger 8 in this state is in an abnormal horizontal state, the height of the position of one side corresponding to the pressure sensor 18 with a large pressure value is lower than the height of the position of one side corresponding to the pressure sensor 18 with a small pressure value, whole marking pole 1 slope is out of level promptly, the installation roof 5 that links to each other with marking pole 1, equipment box 6 and support gallows 8 all incline, the master worker adjusts the levelness of marking pole 1 gradually through the position of adjusting two fixed subassemblies 2 this moment, the numerical value according to six pressure sensor 18 carries out corresponding adjustment, until the pressure value that six pressure sensor 18 detected is the same completely, indicate that marking pole 1 is complete horizontality, thereby abandoned the error drawback that traditional mode adopted the range estimation to carry out the measurement of levelness and brought, the accuracy is greatly improved, the measuring accuracy has been ensured, and is effectual, successfully provide good assistance for subsequent mark, safety and reliability, wide popularization and application value has.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A calibration device for detecting the overall dimension of a motor vehicle comprises a calibration rod (1) and two fixed components (2), and is characterized in that a horizontal measurement mechanism (4) is additionally arranged at the center of the bottom rod surface of the calibration rod (1), the horizontal measurement mechanism (4) comprises an installation top plate (5), an equipment box (6) and a support hanger (8) which are fixedly connected from top to bottom in an integrated manner, the installation top plate (5) is fixed on the bottom rod surface of the calibration rod (1) through fastening bolts (7) at four corners, a sphere containing cavity (801) is arranged at the center of the lower frame body of the support hanger (8), a force transmission cavity (802) is arranged in the upper frame body of the sphere containing cavity, a rotary sphere (9) is installed in an adaptive fit manner in the sphere containing cavity (801), and a gravity support swing rod (11) passes through the sphere center of the rotary sphere (9) and then forms a whole in an integrated and fixed manner, in an initial state, the gravity support swing rod (11) is arranged in a vertical state, a counterweight conical head (12) with an arrow-shaped section is fixedly arranged at the bottom end of the gravity support swing rod, a follow-up sleeve (16) is coaxially and fixedly sleeved on a rod body at the top of the gravity support swing rod (11) in the force transmission cavity (802) in a welding mode, six groups of elastic tension springs (13) are uniformly distributed on the sleeve wall of the follow-up sleeve (16) at equal intervals along the circumferential direction, the other end of each elastic tension spring (13) is fixedly connected to an L-shaped push-pull rod (14), the L-shaped push-pull rod (14) inwards adapts and extends into an independent transmission chamber (15) formed in a frame body of the support hanging frame (8), a pressure sensor (18) is correspondingly arranged in each independent transmission chamber (15), and the pressure sensor (18) is positioned at the inner side of the bottom of the L-shaped push-pull rod (, the reset pressure spring (17) is arranged in a horizontal state, one end of the reset pressure spring (17) is fixedly connected to the L-shaped push-pull rod (14), and the other end of the reset pressure spring (17) is fixedly connected to the pressure sensor (18).

2. The calibration device for detecting the dimensions of a motor vehicle as claimed in claim 1, characterized in that the fixing assembly (2) comprises a base, a magnet and a connection sleeve, the calibration rod (1) is nested with the connection sleeve, and the calibration rod (1) can slide relative to the connection sleeve.

3. A calibration device for motor vehicle dimension detection according to claim 1, characterized in that a microprocessor is arranged in the chamber of the equipment box (6), and the six pressure sensors (18) are connected to the microprocessor in the equipment box (6) by respective corresponding lead signals.

4. The calibration device for detecting the dimensions of the motor vehicle as claimed in claim 3, wherein the microprocessor is correspondingly provided with a wireless transceiver module, the microprocessor is electrically connected to the storage battery, and the storage battery supplies power to the pressure sensor (18), the wireless transceiver module and the microprocessor.