CN210037746U

CN210037746U - Automobile exhaust emission intelligent detection device

Info

Publication number: CN210037746U
Application number: CN201920719168.6U
Authority: CN
Inventors: 杨浩; 江森; 倪梦云
Original assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Current assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2020-02-07
Anticipated expiration: 2029-05-18

Abstract

The utility model discloses an intelligent detection device for automobile exhaust emission, which comprises an underground box body, an installation threshold, a moving block, a detection rod, a detection probe, a first driving mechanism, a second driving mechanism and a probing mechanism, wherein the underground box body is arranged in the ground and is communicated with the ground, the installation threshold is arranged in the underground box body and is vertically and slidably connected with the inner side wall of the underground box body, the moving block is slidably connected to the installation threshold, the detection rod horizontally penetrates through the moving block and is slidably connected with the moving block, the detection probe is fixed on the detection rod, the first driving mechanism is arranged in the underground box body and is used for driving the installation threshold to slide, the second driving mechanism is arranged on the installation threshold and is used for driving the moving block to slide, and the probing mechanism is arranged on the; the detection probe is electrically connected with the detection data processing body. The utility model discloses has following effect: this detection device's automatic level is high, avoids operating personnel to be close to the vehicle and detects tail gas's work, has ensured operating personnel's life safety.

Description

Automobile exhaust emission intelligent detection device

Technical Field

The utility model relates to a vehicle detection field, in particular to automobile exhaust discharges intellectual detection system device.

Background

Automobile exhaust detection refers to the detection of harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, particulates, and soot emitted from exhaust gas of vehicles, and the emission of these pollutants poses a serious threat to human health, so that automobile exhaust detection becomes more and more important. In the vehicle detecting mechanism, a commonly used device for detecting vehicle exhaust is an automobile exhaust emission detecting device, which mainly comprises a detecting data processing body, a handle, a detecting probe installed on the handle and a data line connecting the detecting probe and the detecting data processing body.

However, the detection device for detecting the automobile exhaust has the following defects: the automation level is low, an operator is required to operate at the tail of the vehicle, and certain threat is brought to the safety of the operator. For this reason, an automobile exhaust discharges intelligent detection device is needed urgently, and this automobile exhaust discharges intelligent detection device's automation level is high, avoids operating personnel to be close to the work that the vehicle detected tail gas, has ensured operating personnel's life safety.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an automobile exhaust discharges intellectual detection system device, this detection device's automation level is high, avoids operating personnel to be close to the work that the vehicle detected tail gas, has ensured operating personnel's life safety.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an intelligent detection device for automobile exhaust emission comprises an underground box body, an installation threshold, a moving block, a detection rod, a detection probe, a first driving mechanism, a second driving mechanism and a probing mechanism, wherein the underground box body is arranged in the ground and communicated with the ground, the installation threshold is arranged in the underground box body and vertically and slidably connected with the inner side wall of the underground box body, the moving block is slidably connected to the installation threshold, the detection rod horizontally penetrates through the moving block and is slidably connected with the moving block, the detection probe is fixed on the detection rod, the first driving mechanism is arranged in the underground box body and is used for driving the installation threshold to slide, the second driving mechanism is arranged on the installation threshold and is used for driving the moving block to slide, and the probing mechanism is arranged on the moving block and; the detection probe is electrically connected with the detection data processing body.

By adopting the technical scheme, when the vehicle is subjected to tail gas detection, the vehicle runs through the ground entering box body until the tail part of the vehicle stops at the upper side of the opening of the ground entering box body, at the moment, the vehicle is in an idling state, the first driving mechanism drives the installation threshold to move upwards until the detection probe fixed on the detection rod is vertically aligned with the automobile exhaust pipe, then the second driving mechanism drives the moving block to horizontally move along the width direction of the vehicle until the detection probe is horizontally aligned with the automobile exhaust pipe, and finally the probing mechanism drives the detection rod to move towards the automobile exhaust pipe, so that the detection probe enters the automobile exhaust pipe, the tail gas data of the vehicle are detected, and in the process, the operation of an operator is not needed, the automation level is high, the work that the operator is close to the vehicle to detect the tail gas is avoided, and the life safety of the operator is.

The utility model is further arranged in that the first driving mechanism comprises a lifting block fixed on the mounting threshold, a lifting screw rod vertically arranged and rotationally connected with the bottom wall in the ground entering box body, a worm wheel sleeved on and fixed with the lifting screw rod, a lifting motor fixed in the ground entering box body and a worm fixed on an output shaft of the lifting motor and meshed with the worm wheel; the lifting screw rod penetrates through the lifting block and is in threaded connection with the lifting block.

Through adopting above-mentioned technical scheme, when elevator motor during operation, its output shaft rotates, has driven the worm and has rotated, has driven turbine and lift lead screw and has rotated to the lift piece and the lift of installation threshold have been driven, make the test probe who sets up on the installation threshold align with the vehicle vent-pipe in vertical direction.

The utility model discloses further set up to, lift lead screw upper end is fixed with first stopper, first stopper bottom surface is fixed with the cover and is located elastic ring on the lift lead screw.

Through adopting above-mentioned technical scheme, when the elevator rises to lift lead screw upper end, the elevator receives the hindrance of first stopper to restricted the lift stroke of elevator and installation threshold, and when the elevator contacted with the elastic ring that is fixed in first stopper bottom surface, the elastic ring warp, has cushioned the impact of elevator to first stopper, prevented that elevator and first stopper conflict and produce the vibration to the installation threshold.

The utility model is further arranged in that the second driving mechanism comprises a horizontal groove arranged on the side wall of the mounting threshold, a driving motor which is fixed with the bottom wall in the horizontal groove and is positioned at one end of the horizontal groove, and a driving lead screw, one end of which is fixed with the output shaft of the driving motor, and the other end of which is rotationally connected with the inner side wall of the horizontal groove far away from the driving motor; the bottom surface of the moving block is connected with the inner bottom wall of the horizontal groove in a sliding mode, and the sliding direction of the moving block is consistent with the width direction of the automobile; the driving screw rod penetrates through the side wall, perpendicular to the width direction of the automobile, of the moving block and is in threaded connection with the moving block.

By adopting the technical scheme, when the detection probe is aligned with the automobile exhaust pipe in the vertical direction, the driving motor works to drive the driving screw rod to rotate, so that the moving block in threaded connection with the driving screw rod horizontally moves along the width direction of the automobile, and the detection probe is horizontally aligned with the automobile exhaust pipe.

The utility model is further arranged in that the probing mechanism comprises a second limiting block fixed on one end of the detection rod far away from the detection probe, a tension spring sleeved on the detection rod, a rolling motor fixed on the side wall of the moving block far away from the automobile, a rolling wheel fixed on an output shaft of the rolling motor and a rolling rope with one end wound on the rolling wheel and the other end fixed with the second limiting block; one end of the tensioning spring is fixed with the second limiting block, the other end of the tensioning spring is fixed with the side wall, far away from the automobile, of the moving block, and the tensioning spring is always in a stretching state.

Through adopting above-mentioned technical scheme, when test probe and vehicle vent-pipe align, the winding motor work, drive the rolling wheel and rotate, make the one end winding that the second stopper was kept away from to the coiling rope on the rolling wheel, tensioning spring receives the extrusion and contracts this moment, driven the measuring bar and slided towards the car, make the test probe who is fixed in on the measuring bar get into the tail gas that has detected the car in the vehicle vent-pipe, and when detecting the completion, the rolling motor reversal, drive the rolling motor reversal, make the coiling rope wind out the rolling wheel, tensioning spring stretches this moment, driven the measuring bar and slided towards the direction of keeping away from the car, thereby make test probe and vehicle vent-pipe separation.

The utility model discloses further set up to, the cover is equipped with the elastic sleeve on the tensioning spring, elastic sleeve one end with the second stopper is connected the lateral wall of tensioning spring is fixed, the other end with it is fixed that the car was kept away from to the movable block.

Through adopting above-mentioned technical scheme, the elastic sleeve is equipped with to the cover on the tensioning spring, and the elastic sleeve both ends are fixed with second stopper and movable block respectively, have effectively avoided external debris to enter into the tensioning spring, prevent that the tensioning spring from becoming invalid.

The utility model discloses further set up to, offer on the lateral wall that the movable block is close to the vehicle and be used for holding test probe's holding tank.

Through adopting above-mentioned technical scheme, when detecting and finishing, the direction that the car was kept away from to the test rod orientation slides, until test probe gets into the holding tank in, effectively avoided test probe outstanding movable block and influenced the sliding connection of movable block and income ground box internal side wall.

The utility model discloses further set up to, be equipped with positioning mechanism on the movable block, positioning mechanism is including being fixed in temperature sensor on the movable block and being fixed in controller on the movable block, temperature sensor with the controller electricity is connected, the controller respectively with elevator motor driving motor and the rolling motor electricity is connected.

Through adopting above-mentioned technical scheme, when the car stops in the regulation position, the car is in the idle state, compare with the surrounding environment highest of its blast pipe, the controller starts elevator motor this moment, make the installation threshold rise, when the temperature that detects until temperature sensor is the highest, controller elevator motor stops, thereby make test probe and the vertical alignment of vehicle vent-pipe, then controller driving motor work, make movable block horizontal migration, when temperature sensor detects the temperature is the highest, controller control driving motor stops, thereby make test probe and vehicle vent-pipe horizontal alignment, last controller control rolling motor work, drive test probe gets into vehicle vent-pipe, the tail gas of car has been detected.

To sum up, the utility model discloses a beneficial technological effect does:

1. when a vehicle receives tail gas detection, the first driving mechanism drives the mounting threshold to move upwards until a detection probe fixed on the detection rod is vertically aligned with the automobile exhaust pipe, then the second driving mechanism drives the moving block to horizontally move along the width direction of the vehicle until the detection probe is horizontally aligned with the automobile exhaust pipe, and finally the probing mechanism drives the detection rod to move towards the automobile exhaust pipe so that the detection probe enters the automobile exhaust pipe, thereby detecting tail gas data of the vehicle;

2. when the detection is finished, the winding motor rotates reversely to drive the winding motor to rotate reversely, so that the winding rope is wound out of the winding wheel, the tensioning spring stretches at the moment, the detection rod is driven to slide towards the direction far away from the automobile, and the detection probe is separated from the automobile exhaust pipe;

3. the tensioning spring is sleeved with the elastic sleeve, and two ends of the elastic sleeve are fixed with the second limiting block and the moving block respectively, so that external sundries are effectively prevented from entering the tensioning spring, and the tensioning spring is prevented from losing efficacy.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view of the working state of the embodiment;

FIG. 3 is a schematic view of the first drive mechanism;

fig. 4 is a schematic structural view of the probing mechanism.

In the figure: 1. a ground box body; 2. mounting a threshold; 3. a moving block; 31. accommodating grooves; 32. mounting grooves; 4. a detection lever; 5. detecting a probe; 6. a first drive mechanism; 61. a lifting block; 62. a lifting screw rod; 621. a first stopper; 622. an elastic ring; 63. a worm gear; 64. a lifting motor; 65. a worm; 7. a second drive mechanism; 71. a horizontal groove; 72. a drive motor; 73. driving the screw rod; 8. a probing mechanism; 81. a second limiting block; 82. tensioning the spring; 821. an elastic sleeve; 83. a winding motor; 84. a winding wheel; 85. winding the rope; 9. a positioning mechanism; 91. a temperature sensor; 92. and a controller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, an intelligent detection device for automobile exhaust emission comprises a ground box body 1, an installation threshold 2, a moving block 3, a detection rod 4, a detection probe 5, a first driving mechanism 6, a second driving mechanism 7, a probing mechanism 8 and a positioning mechanism 9. Referring to fig. 2, the ground entering box 1 is a cuboid hollow structure, the opening of the ground entering box is arranged upwards, the ground entering box 1 is embedded in the ground of the detection site and fixed, and the opening of the ground entering box 1 is flush with the ground and communicated with the outside. In addition, the length direction of the ground box body 1 is horizontal and vertical to the driving direction of the vehicle to be measured when the vehicle to be measured drives into the position to be measured. Installation threshold 2 is rectangular long strip structure for the cross-section, and its length direction is unanimous with the length direction who goes into ground box 1, and installation threshold 2 sets up in going into ground box 1 and with go into the inside wall sliding connection that ground box 1 is close to the vehicle that awaits measuring, and the slip direction of installation threshold 2 is vertical.

As shown in fig. 3, the first driving mechanism 6 includes a lifting block 61, a lifting screw 62, a worm wheel 63, a lifting motor 64 and a worm 65, and as shown in fig. 2, the lifting block 61 is rectangular block-shaped and fixed on the side wall of the mounting threshold 2 far away from the vehicle to be tested, and the bottom surface of the lifting block 61 is flush with the bottom surface of the mounting threshold 2. The lifting screw 62 vertically penetrates through the upper surface of the lifting block 61 and is in threaded connection with the lifting block 61, the lower end of the lifting screw 62 is rotatably connected with the bottom wall of the ground entering box body 1, and the upper end of the lifting screw is provided with a first limiting block 621 and an elastic ring 622. The first limiting block 621 is a circular block, the axis of the first limiting block 621 coincides with the axis of the lifting screw 62, and the bottom surface of the first limiting block 621 is fixed to the upper end of the lifting screw 62. The elastic ring 622 is in a circular shape, the cross section of the frame is rectangular, the elastic ring 622 is made of elastic rubber material, the lifting screw rod 62 is sleeved with the elastic ring 622, and the upper surface of the elastic ring 622 is fixed with the bottom surface of the first limiting block 621. The worm wheel 63 is sleeved on and fixed with the lifting screw rod 62, and the worm wheel 63 is arranged at the lower end of the lifting screw rod 62. The lifting motor 64 is a servo motor and is fixed on the inner side wall of the ground entering box body 1 close to the automobile to be tested, and the output shaft of the lifting motor 64 horizontally faces the worm wheel 63. The axis of the worm 65 is horizontal and is superposed with the axis of the output shaft of the lifting motor 64, one end of the worm 65 is fixed with the output shaft of the lifting motor 64, the other end of the worm is rotatably connected with the inner side wall of the ground box body 1 far away from the lifting motor 64, and the worm 65 is meshed with the worm wheel 63. When the lifting motor 64 works, the worm 65 rotates to drive the worm wheel 63 and the lifting screw rod 62 to rotate, and the lifting block 61 and the mounting threshold 2 are driven to lift up and down.

As shown in fig. 1, the second driving mechanism 7 includes a horizontal groove 71, a driving motor 72 and a driving screw 73, the horizontal groove 71 is opened on a side wall of the installation threshold 2 connected with the ground entering box 1, and the horizontal groove 71 and the side wall of the installation threshold 2 far away from the vehicle to be tested are penetrated. The horizontal groove 71 has a rectangular cross-section, the length direction of which coincides with the length direction of the mounting sill 2, and the horizontal groove 71 is provided at the upper portion of the mounting sill 2. The moving block 3 is rectangular block-shaped, is arranged in the horizontal groove 71 and is in sliding connection with the inner bottom wall of the horizontal groove 71, the sliding direction of the moving block 3 is consistent with the length direction of the horizontal groove 71, and the side wall of the moving block 3 close to the automobile to be tested is flush with the side wall of the mounting threshold 2 close to the automobile to be tested. The driving motor 72 is a servo motor, and is disposed in the horizontal groove 71 and fixed to an inner sidewall of one end of the horizontal groove 71. The axis of the driving screw rod 73 is parallel to the length direction of the horizontal groove 71, one end of the driving screw rod 73 is fixed with the end part of the output shaft of the driving motor 72, the other end of the driving screw rod is rotatably connected with the inner side wall of one end of the horizontal groove 71 far away from the driving motor 72, and the driving screw rod 73 penetrates through the moving block 3 and is in threaded connection with the moving block.

As shown in fig. 1, the detection rod 4 is a rod-shaped structure with a square cross section, horizontally penetrates through the moving block 3 to be close to the side wall of the vehicle to be detected, and is connected with the moving block 3 in a sliding manner. The detection probe 5 is fixed at one end of the detection rod 4 close to the automobile to be detected, and the detection probe 5 is electrically connected with the detection data processing body. In addition, the lateral wall that the movable block 3 is close to the test probe 5 has seted up holding tank 31, and the opening of holding tank 31 is circular, and its axis coincides with the horizontal center line of test rod 4 for after test rod 4 moved towards the direction of keeping away from the car that awaits measuring, test probe 5 got into in the holding tank 31 completely. Referring to fig. 4, the retraction mechanism 8 includes a second stopper 81, a tension spring 82, a winding motor 83, a winding wheel 84, and a winding cord 85. The second limiting block 81 is in a circular block shape, the axis of the second limiting block 81 coincides with the horizontal center line of the detection rod 4, and the second limiting block 81 is fixed at one end of the detection rod 4, which is far away from the automobile to be detected. The tensioning spring 82 is sleeved on the detection rod 4, one end of the tensioning spring is fixed to the side wall, close to the moving block 3, of the second limiting block 81, the other end of the tensioning spring is fixed to the side wall, far away from the automobile to be detected, of the moving block 3, and the tensioning spring 82 is in a stretching state all the time, so that the second limiting block 81 has an effect of being far away from the automobile to be detected all the time. The tensioning spring 82 is sleeved with an elastic sleeve 821, the elastic sleeve 821 is in a circular tube shape and made of elastic rubber materials, one end of the elastic sleeve 821 is fixed to the side wall, close to the moving block 3, of the second limiting block 81, and the other end of the elastic sleeve is fixed to the side wall, far away from the automobile to be tested, of the moving block 3. The winding motor 83 is a servo motor, and is fixed to the side wall of the moving block 3 near the second limiting block 81, and the axis of the output shaft of the winding motor 83 is perpendicular to the length direction of the detection rod 4. The winding wheel 84 is circular wheel-shaped, the axis of the winding wheel is overlapped with the axis of the output shaft of the winding motor 83, and the winding wheel 84 and the output shaft of the winding motor 83 are fixed. The winding rope 85 is a high-strength nylon rope, one end of which is wound on the winding wheel 84 and fixed with the wheel surface of the winding wheel 84, and the other end of which is fixed with the bottom of the second limiting block 81.

As shown in fig. 1, the positioning mechanism 9 includes a temperature sensor 91 and a controller 92, the moving block 3 is provided with an installation groove 32 on the side wall close to the automobile to be tested, the opening of the installation groove 32 is circular, and the installation groove 32 is disposed right under the accommodation groove 31. The temperature sensor 91 is disposed in the mounting groove 32 and fixed to the circular inner sidewall of the mounting groove 32, for detecting the temperature around the sensing probe 5. As shown in fig. 3 and 4, the controller 92 is fixed on the side wall of the moving block 3 away from the vehicle to be measured, and is electrically connected to the lifting motor 64, the driving motor 72, the winding motor 83, and the temperature sensor 91. In addition, the controller 92 is electrically connected to the detection data processing body, so that an operator can start the control program of the controller 92 by detecting the data processing body.

When the vehicle tail gas detection device is used, when the vehicle receives tail gas detection, the vehicle runs through the ground box body 1 until the tail part of the vehicle stops at the upper side of the opening of the ground box body 1, at the moment, the vehicle is in an idling state, an operator starts the controller 92, the controller 92 sends a driving signal to the lifting motor 64 to enable the lifting motor 64 to work, the mounting threshold 2 is driven to move upwards, the detection probe 5 fixed on the detection rod 4 is enabled to be vertically aligned with the automobile exhaust pipe by matching with a temperature signal of the temperature sensor 91, then the controller 92 controls the driving motor 72 to work, the moving block 3 is driven to horizontally move along the width direction of the vehicle and enables the detection probe 5 to be horizontally aligned with the automobile exhaust pipe by matching with a temperature signal of the temperature sensor 91, finally, the controller 92 controls the rolling motor 83 to work, the detection rod 4 is driven to move towards the automobile exhaust pipe to, thereby detected the tail gas data of car, and at this in-process, need not operating personnel operation, automatic level is high, has avoided operating personnel to be close to the work that the vehicle detected the tail gas, has ensured operating personnel's life safety.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automobile exhaust discharges intellectual detection system device, characterized by: the device comprises a ground entering box body (1) arranged in the ground and communicated with the ground, an installation threshold (2) arranged in the ground entering box body (1) and vertically and slidably connected with the inner side wall of the ground entering box body (1), a moving block (3) slidably connected to the installation threshold (2), a detection rod (4) horizontally penetrating through the moving block (3) and slidably connected with the moving block, a detection probe (5) fixed on the detection rod (4), a first driving mechanism (6) arranged in the ground entering box body (1) and used for driving the installation threshold (2) to slide, a second driving mechanism (7) arranged on the installation threshold (2) and used for driving the moving block (3) to slide, and a probing mechanism (8) arranged on the moving block (3) and used for driving the detection rod (4) to move towards the inside of an automobile exhaust pipe; the detection probe (5) is electrically connected with the detection data processing body.

2. The intelligent detection device for the automobile exhaust emission according to claim 1, which is characterized in that: the first driving mechanism (6) comprises a lifting block (61) fixed on the mounting threshold (2), a lifting screw rod (62) which is vertically arranged and is rotatably connected with the inner bottom wall of the ground entering box body (1), a worm wheel (63) which is sleeved on the lifting screw rod (62) and is fixed with the lifting screw rod, a lifting motor (64) fixed in the ground entering box body (1) and a worm (65) which is fixed on an output shaft of the lifting motor (64) and is meshed with the worm wheel (63); the lifting screw rod (62) penetrates through the lifting block (61) and is in threaded connection with the lifting block.

3. The intelligent detection device for the automobile exhaust emission according to claim 2, characterized in that: lifting screw (62) upper end is fixed with first stopper (621), first stopper (621) bottom surface is fixed to be equipped with the cover and locates elastic ring (622) on lifting screw (62).

4. The intelligent detection device for the automobile exhaust emission according to claim 2, characterized in that: the second driving mechanism (7) comprises a horizontal groove (71) formed in the side wall of the mounting threshold (2), a driving motor (72) fixed with the bottom wall of the horizontal groove (71) and located at one end of the horizontal groove (71), and a driving screw rod (73) with one end fixed with an output shaft of the driving motor (72) and the other end rotatably connected with the inner side wall of the horizontal groove (71) far away from the driving motor (72); the bottom surface of the moving block (3) is connected with the inner bottom wall of the horizontal groove (71) in a sliding mode, and the sliding direction of the moving block (3) is consistent with the width direction of the automobile; the driving screw rod (73) penetrates through the side wall, perpendicular to the width direction of the automobile, of the moving block (3) and is in threaded connection with the moving block (3).

5. The intelligent detection device for the automobile exhaust emission according to claim 4, characterized in that: the probing mechanism (8) comprises a second limiting block (81) fixed at one end of the detection rod (4) far away from the detection probe (5), a tension spring (82) sleeved on the detection rod (4), a winding motor (83) fixed on the side wall of the moving block (3) far away from the automobile, a winding wheel (84) fixed on an output shaft of the winding motor (83), and a winding rope (85) with one end wound on the winding wheel (84) and the other end fixed with the second limiting block (81); one end of the tensioning spring (82) is fixed with the second limiting block (81), the other end of the tensioning spring is fixed with the side wall, away from the automobile, of the moving block (3), and the tensioning spring (82) is always in a stretching state.

6. The intelligent detection device for the automobile exhaust emission according to claim 5, characterized in that: an elastic sleeve (821) is sleeved on the tensioning spring (82), one end of the elastic sleeve (821) is connected with the second limiting block (81) and fixed to the side wall of the tensioning spring (82), and the other end of the elastic sleeve (821) is fixed to the side wall, far away from the automobile, of the moving block (3).

7. The intelligent detection device for the automobile exhaust emission according to claim 1, which is characterized in that: and an accommodating groove (31) for accommodating the detection probe (5) is formed in the side wall, close to the vehicle, of the moving block (3).

8. The intelligent detection device for the automobile exhaust emission according to claim 5, characterized in that: the moving block (3) is provided with a positioning mechanism (9), the positioning mechanism (9) comprises a temperature sensor (91) fixed on the moving block (3) and a controller (92) fixed on the moving block (3), the temperature sensor (91) is electrically connected with the controller (92), and the controller (92) is electrically connected with the lifting motor (64), the driving motor (72) and the winding motor (83) respectively.