CN220083969U - Automatic detection device for vehicle body pry - Google Patents

Abstract

The utility model relates to an automatic detection device for a vehicle body pry, which comprises a mounting frame assembly, wherein a lifting frame assembly is slidably arranged on the mounting frame assembly, and a driving mechanism for driving the lifting frame assembly to move up and down along the vertical direction is arranged on the mounting frame assembly; a plurality of detection assemblies are arranged on the mounting frame assembly, and each detection assembly corresponds to a single supporting pin on the vehicle body pry; the structure of the single detection component is as follows: including installing the flange cover on the crane subassembly, detect the periphery of outer axle and the inside cooperation of flange cover, detect the hole slidable mounting of outer axle and detect the axle, detect outer lower extreme and be first detection portion, detect the lower extreme of axle and be second detection portion and all correspond with the backing pin, for the fixed first sensor that corresponds with the first sensing portion of detection outer upper end and the second sensor that corresponds with detection axle upper end second sensing portion that is provided with of flange cover. Therefore, the precision of the supporting pin is automatically detected, whether the supporting pin is qualified or not is judged, the production efficiency is improved, the labor cost is reduced, and the error rate of the vehicle receiving is greatly reduced.

Description

Automatic detection device for vehicle body pry

Technical Field

The utility model relates to the technical field of vehicle body assembly equipment, in particular to a vehicle body prying automatic detection device.

Background

In an automobile production assembly workshop, the front-stage white automobile body needs to be loaded on a carrier to realize conveying assembly, the carrier is called an automobile body pry, the automobile body pry is conveyed to a specified position through a roller bed, and then the automobile body is placed on the automobile body pry.

The vehicle body sled is provided with two groups of limiting support pins, and when the vehicle body is placed on the vehicle body sled, the support pins are required to be inserted into positioning holes of a chassis of the vehicle body, so that the vehicle body is prevented from sliding during conveying and assembling. When the pin hole positioning is adopted, certain requirements are necessarily met on the precision of the supporting pin on the vehicle body pry, in addition, after the vehicle body pry is used for a period of time, the supporting pin can deform or fall off due to the action of external force, if the supporting pin cannot be detected in time, the phenomenon that the chassis hole cannot fall on the supporting pin can occur, and the production and the assembly are greatly influenced.

At present, a manual detection method is adopted, the precision of a supporting pin is detected before a vehicle body is connected with a vehicle body pry, the vehicle body pry is qualified for production and is unqualified for maintenance, but the manual detection method wastes labor hours and increases labor cost.

Disclosure of Invention

The inventor aims at the defects in the prior art, and provides the automatic detection device for the vehicle body pry, so that the accuracy of automatically detecting the supporting pin is realized, whether the supporting pin is qualified or not is judged, the production efficiency is improved, the labor cost is reduced, and the error rate of receiving vehicles is greatly reduced.

The technical scheme adopted by the utility model is as follows:

the automatic detection device for the vehicle body pry comprises a mounting frame assembly, wherein a lifting frame assembly is slidably arranged on the mounting frame assembly, a driving mechanism is arranged on the mounting frame assembly, and the driving mechanism is used for driving the lifting frame assembly to move up and down along the vertical direction;

the mounting frame assembly is provided with a plurality of detection assemblies;

the roller bed for conveying the vehicle body pry passes through the middle part of the mounting frame assembly, when the vehicle body pry is positioned at an assembly station of the roller bed, the vehicle body pry is positioned below the plurality of detection assemblies, and a single detection assembly corresponds to a single supporting pin on the vehicle body pry;

the structure of the single detection component is as follows:

comprises a flange sleeve arranged on the lifting frame component, wherein the flange sleeve is of a tubular structure,

the outer periphery of the detection outer shaft is matched with the inside of the flange sleeve, one end of the detection outer shaft is provided with a first detection part, the first detection part is positioned below the outside of the flange sleeve and corresponds to the supporting pin, the other end of the detection outer shaft is a first induction part, the first induction part penetrates through the inside of the flange sleeve and is positioned above the outside of the flange sleeve,

the first detection part is connected with the flange sleeve through a spring in a compressed state, a cutting sleeve is arranged outside the detection outer shaft between the first sensing part and the flange sleeve and is matched with the end part of the flange sleeve,

the device also comprises a detection shaft, the periphery of the detection shaft is in sliding fit with the inner hole of the detection outer shaft, the lower end of the detection shaft is provided with a second detection part which is positioned in the first detection part and corresponds to the supporting pin, the upper end of the detection shaft is provided with a second induction part which is matched with the end part of the first induction part,

the flange sleeve also comprises a first sensor and a second sensor which are fixedly arranged relative to the flange sleeve, the first sensor corresponds to the first sensing part, and the second sensor corresponds to the second sensing part.

As a further improvement of the above technical scheme:

the first detection part is structured as follows: the outer shaft detection device comprises a body of a tubular structure, one end of the body corresponds to the supporting pin, the other end of the body is matched with the end part of the outer shaft detection device, an annular boss is arranged on the periphery of the body, the annular boss structure is matched with one end of the spring, and an inner hole of the body is matched with the second detection part.

The first sensing part is structured as follows: the pipe comprises a first pipe section with a truncated conical surface structure on the outer peripheral surface, wherein a second pipe section is arranged at the small end of the first pipe section, and the outer peripheral surface of the second pipe section is consistent with the outer peripheral surface of the small end of the first pipe section in size.

The second sensing part is of a block-shaped structure with the outer peripheral surface size larger than the inner hole size of the detection outer shaft.

The first sensor and the second sensor are limit switches, the contact of the first sensor is matched with the first sensing part, and the contact of the second sensor is matched with the second sensing part.

The structure of the mounting frame assembly is as follows:

comprises a base frame, wherein the roller bed passes through the middle part of the base frame;

the roller bed comprises a roller bed body and is characterized in that a plurality of guide rails are respectively arranged on base frames positioned on two sides of the roller bed, the length direction of each guide rail is vertical, and a height detection switch matched with the lifting frame assembly is arranged on each base frame.

The driving mechanism has the structure that:

the device comprises a driving motor arranged at the middle bottom of the mounting frame assembly, wherein the output end of the driving motor is provided with a driving shaft;

the first driven shaft and the second driven shaft are arranged on the mounting frame assembly, the axes of the first driven shaft and the second driven shaft are parallel to each other, and the first driven shaft and the second driven shaft are respectively positioned on two sides of the driving shaft;

the first driven shaft and the second driven shaft are simultaneously connected with the driving shaft in a transmission way;

the ends of the first driven shaft and the second driven shaft are simultaneously in transmission connection with the lifting frame assembly.

The double-row chain wheel is arranged on the driving shaft;

the first driven shaft is provided with a first chain wheel, and the double-row chain wheel is in transmission connection with the first chain wheel through a first chain;

the second driven shaft is provided with a second chain wheel, and the double-row chain wheels are in transmission connection with the second chain wheel through a second chain.

The structure of the lifting frame component is as follows:

the device comprises a support frame, wherein a detection assembly is arranged on the support frame, and the support frame is in sliding connection with the mounting frame assembly;

the lower part of the support frame is provided with a plurality of slide rail assemblies, and the axis of each slide rail assembly is in the horizontal direction and is parallel to each other;

the device also comprises a plurality of eccentric wheels, wherein the rotation center of one group of eccentric wheels is in transmission connection with the first driven shaft, and the rotation center of the other group of eccentric wheels is in transmission connection with the second driven shaft;

the eccentric part of each eccentric wheel is rotationally provided with a roller, the roller is in sliding fit with the sliding rail assembly, and the sliding direction of the roller on the sliding rail assembly is the same as the axis direction of the sliding rail assembly.

The structure of the sliding rail component is as follows: the roller is positioned between the bottom plate and the top plate, and is matched with the bottom plate and the top plate at the same time.

The beneficial effects of the utility model are as follows:

the utility model has compact and reasonable structure and convenient operation, the detection assembly is arranged above the vehicle body pry, the first detection part and the second detection part act with the supporting pins in different states when the detection assembly moves downwards, the movement of the first detection part and the second detection part is converted into signals of the sensor, and then the various states of the supporting pins are accurately judged, the precision of automatically detecting the supporting pins is realized, whether the supporting pins are qualified or not is judged, the production efficiency is improved, the labor cost is reduced, and the error rate of receiving vehicles is greatly reduced.

The utility model also has the following advantages:

(1) Through setting up the mode of first detection portion for demountable installation in detecting outer axle tip, can be after detecting outer axle and pass the flange cover and install spring and cutting ferrule respectively, make first detection portion be convenient for change after the damage because long-term use simultaneously, save processing cost.

(2) The same driving motor is adopted to drive the lifting frame component to move up and down, so that the action consistency of a plurality of detection components is ensured.

Drawings

Fig. 1 is a schematic structural view (front view, initial state) of the present utility model.

Fig. 2 is a schematic structural view (side view, initial state) of the present utility model.

Fig. 3 is a partial enlarged view of fig. 2 at a.

Fig. 4 is a schematic view of the structure of the present utility model (side view, when detecting the supporting pin).

Fig. 5 is a partial enlarged view at B in fig. 4.

Fig. 6 is a schematic structural view (top view) of the present utility model.

Fig. 7 is a schematic view (top view) of the drive mechanism and mounting bracket assembly of the present utility model.

Fig. 8 is a schematic view (top view) of the structure of the elevator assembly and the detection assembly of the present utility model.

Fig. 9 is a schematic view (front view) of the structure of the elevator assembly and the detection assembly of the present utility model.

Fig. 10 is a state diagram of the detection assembly and the support pin of the present utility model in an initial state.

Fig. 11 is a state diagram of the detecting unit and the supporting pin of the present utility model at the time of detecting the supporting pin (supporting pin position is normal).

Fig. 12 is a state diagram of the detecting assembly and the support pin of the present utility model when detecting the support pin (loss of the support pin).

Fig. 13 is a state diagram (support pin deformation) of the detection assembly and the support pin of the present utility model at the time of detecting the support pin.

Fig. 14 is a schematic structural view of the inspection outer shaft of the present utility model.

Wherein:

1. a detection assembly; 2. a crane assembly; 3. a vehicle body pry; 301. a support pin; 4. a roller bed; 5. a mounting bracket assembly; 6. a driving mechanism;

101. a detection shaft; 1011. a second sensing part; 1012. a second detection unit; 10211. a first pipe section; 10212. a second pipe section; 102. detecting an outer shaft; 1021. a first sensing part; 1022. a first detection unit; 10221. a body; 10222. an annular boss; 103. a flange sleeve; 104. a cutting sleeve; 105. a spring; 106. a second sensor; 107. a first sensor;

201. a support frame; 202. a slide rail assembly; 2021. channel steel; 2022. a top plate; 2023. a bottom plate; 203. a roller; 204. an eccentric wheel; 205. a switch detection plate;

501. a base frame; 502. a guide rail; 503. a height detection switch;

601. a driving motor; 602. a drive shaft; 6021. double row chain wheels; 603. a first driven shaft; 6031. a first chain; 6032. a first sprocket; 604. a second driven shaft; 6041. a second chain; 6042. a second sprocket.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings.

Embodiment one:

as shown in fig. 1 to 4, the automatic detection device for the vehicle body pry in the embodiment comprises a mounting frame assembly 5, wherein a lifting frame assembly 2 is slidably arranged on the mounting frame assembly 5, a driving mechanism 6 is arranged on the mounting frame assembly 5, and the driving mechanism 6 is used for driving the lifting frame assembly 2 to move up and down along the vertical direction.

A plurality of detection assemblies 1 are arranged on the mounting frame assembly 5. In general, two sets of support pins 301 are disposed on the body sled 3, and correspond to the front portion and the rear portion of the body respectively, each set of support pins 301 is two, the number of corresponding detection assemblies 1 is four, and the detection assemblies 1 are mounted on the lifting frame assembly 2 in a threaded manner.

Specifically, the mounting frame assembly 5 is not only used as a frame body of the whole detection device, but also used as a sliding guide structure of the lifting frame assembly 2, so that the lifting frame assembly 2 can move up and down along the vertical direction, and the sliding guide structure can be realized through a structure of a sliding rail and a sliding block, can also be realized through a structure of a guide rod bearing, and the like; the driving mechanism 6 can be converted into the linear motion of the lifting frame assembly 2 by adopting a hydraulic cylinder through the linear motion of the output end, and can also be converted into the linear motion of the lifting frame assembly 2 by adopting a motor through the rotation of the output end; the stroke of the up-and-down movement of the crane assembly 2 can be designed according to the actual situation of the support pins 301, for detecting the support pins 301 when the crane assembly 2 is moved to the down position, as shown in fig. 4.

A roll table 4 for carrying automobile body sled 3 passes mounting bracket subassembly 5 middle part, and when automobile body sled 3 was located the assembly station of roll table 4, automobile body sled 3 was located a plurality of detection subassembly 1 below, and single detection subassembly 1 corresponds with the single supporting pin 301 on the automobile body sled 3.

Specifically, the assembly station of the roller bed 4 is the appointed position to which the vehicle body pry 3 is conveyed through the roller bed 4, at the moment, the vehicle body pry 3 is also positioned on the roller bed 4, and the vehicle body is placed on the vehicle body pry 3 at the appointed position, namely, the vehicle body is assembled on the vehicle body pry 3; and whether the position of the support pins 301 is correct or not is required before the vehicle body is assembled on the body sled 3.

The structure of the single detection assembly 1 is as follows:

comprises a flange sleeve 103 arranged on the lifting frame component 2, wherein the flange sleeve 103 has a tubular structure.

The outer circumference of the outer detection shaft 102 is matched with the inside of the flange sleeve 103, the outer detection shaft 102 is provided with shaft sleeves respectively, the shaft sleeves are internally provided with the outer detection shaft 102, the outer detection shaft 102 moves more smoothly relative to the flange sleeve 103, one end of the outer detection shaft 102 is provided with a first detection part 1022, the first detection part 1022 is located below the outside of the flange sleeve 103, the first detection part 1022 corresponds to the supporting pin 301, the other end of the outer detection shaft 102 is provided with a first induction part 1021, and the first induction part 1021 passes through the inside of the flange sleeve 103 and is located above the outside of the flange sleeve 103.

The first sensing part 1022 is connected to the flange sleeve 103 through a spring 105 in a compressed state, and a ferrule 104 is mounted on the outer side of the sensing shaft 102 between the first sensing part 1021 and the flange sleeve 103, and the ferrule 104 is matched with the end part of the flange sleeve 103.

Specifically, one end of the spring 105 is connected to the first detecting portion 1022, and a limit manner such as welding or clamping may be adopted, and the other end of the spring 105 abuts against the end of the flange sleeve 103; after the detection outer shaft 102 provided with the spring 105 is installed, the first sensing part 1021 passes through the flange sleeve 103 and then continues to move the detection outer shaft 102 upwards, after the compression amount of the spring 105 is adjusted, the clamping sleeve 104 is installed on the detection outer shaft 102, so that the clamping sleeve 104 limits the detection outer shaft 102 at the upper end of the flange sleeve 103, and the compression amount of the spring 105 is kept; the mounting structure for placing the spring 105 in a compressed state not only realizes the position fixation of the first detection part 1022 with respect to the crane assembly 2 in the initial state of the detection device, but also facilitates the detection of the reset of the outer shaft 102 after the upward movement due to the lifting of the first detection part 1022 by the supporting pin 301 during the detection.

The detecting shaft 101 is further included, the outer periphery of the detecting shaft 101 is in sliding fit with the inner hole of the detecting outer shaft 102, the lower end of the detecting shaft 101 is provided with a second detecting portion 1012, the second detecting portion 1012 is located inside the first detecting portion 1022 and corresponds to the supporting pin 301, the upper end of the detecting shaft 101 is provided with a second sensing portion 1011, and the second sensing portion 1011 is matched with the end portion of the first sensing portion 1021.

Specifically, the detection shaft 101 may slide up and down relative to the detection outer shaft 102, and the second detection portion 1012 is located at the lowest position in the initial state of the detection device, and at this time, the second sensing portion 1011 is limited by the end of the second sensing portion 1011; when the detection device detects the support pin 301, the second detection portion 1012 is moved upward with respect to the first detection portion 1022 by the support pin 301 pushing up the second detection portion 1012, or the detection outer shaft 102 is pushed up by the support pin 301 and moves upward together with the detection outer shaft 102.

The flange sleeve 103 further includes a first sensor 107 and a second sensor 106 fixedly provided to the flange sleeve 103, the first sensor 107 corresponding to the first sensing portion 1021, and the second sensor 106 corresponding to the second sensing portion 1011.

Specifically, the first sensor 107 and the second sensor 106 may be mounted on the crane assembly 2 through a bracket, or may be mounted on the flange sleeve 103 through a bracket; when the outer shaft 102 is detected to move upwards relative to the flange sleeve 103, the first sensor 107 senses the position change of the first sensing part 1021, and the first sensor 107 outputs a signal; when the second sensing part 1011 moves upward with respect to the flange cover 103, the second sensor 106 senses a change in the position of the second sensing part 1011, and the second sensor 106 outputs a signal.

The working principle of the automatic detection device for the vehicle body pry of the embodiment is as follows:

the vehicle body pry 3 is conveyed to a fixed position at an assembly station through a roller bed 4 and stops conveying;

under the guidance of the mounting frame assembly 5, the driving mechanism 6 drives the lifting frame assembly 2 to move downwards to a lower position along the vertical direction, so that the detection assembly 1 acts with the supporting pin 301 in the downward movement process;

when the lifting frame assembly 2 moves down to the lowest position and then stops, the detection work is finished, and the detection results of the detection device are as follows:

1. the support pins 301 are positioned normally as shown in fig. 11:

at this time, the supporting pin 301 passes through the first detecting portion 1022 to act on the second detecting portion 1012 in the middle of the first detecting portion 1022, after the detecting shaft 101 is lifted up, the second sensor 106 senses that the second sensing portion 1011 moves upward, and then outputs a signal, and the first sensor 107 outputs no signal;

2. the support pins 301 are lost as shown in fig. 12:

at this time, neither the first detection unit 1022 nor the second detection unit 1012 operates, and neither the first sensor 107 nor the second sensor 106 outputs a signal;

3. the support pins 301 deform as shown in fig. 13:

at this time, since the support pin 301 is deformed, the support pin 301 lifts up the first detection portion 1022 and the second detection portion 1012 at the same time, or lifts up only the first detection portion 1022, so that both the first sensing portion 1021 and the second sensing portion 1011 move upward, and both the first sensor 107 and the second sensor 106 have signal outputs;

the first case justifies the body sled 3 and the second and third cases justifies the body sled 3 being in the service area.

The detection assembly 1 is arranged above the vehicle body pry 3, the first detection part 1022 and the second detection part 1012 are in action with the supporting pins 301 in different states when the detection assembly 1 moves downwards, the movement of the first detection part 1022 and the second detection part 1012 is converted into signals of the sensors, and then the various states of the supporting pins 301 are accurately judged, the accuracy of automatically detecting the supporting pins 301 is realized, whether the supporting pins 301 are qualified or not is judged, the production efficiency is improved, the labor cost is reduced, and the error rate of receiving vehicles is greatly reduced.

Further optimizing the structure of the first detecting part 1022 makes the assembly of the detecting assembly 1 more convenient:

as shown in fig. 10 and 14, the first detection unit 1022 has a structure of: the body 10221 comprising a tubular structure, wherein one end of the body 10221 corresponds to the supporting pin 301, the other end of the body 10221 is matched with the end part of the detection outer shaft 102, the body 10221 can be mounted on the end part of the detection outer shaft 102 through fastening piece connection or threaded connection, an annular boss 10222 is arranged on the periphery of the body 10221, the annular boss 10222 is matched with one end of the spring 105 to play a limiting role, and an inner hole of the body 10221 is matched with the second detection part 1012.

By providing the first detecting portion 1022 detachably mounted on the end portion of the outer shaft 102, the spring 105 and the ferrule 104 can be mounted respectively after the outer shaft 102 passes through the flange sleeve 103, and meanwhile, the first detecting portion 1022 is convenient to replace after being damaged due to long-term use, so that processing cost is saved.

Further, the structure of the first sensing part 1021, the mating structure of the second sensing part 1011 and the sensor are provided as follows:

as shown in fig. 14, the first sensing unit 1021 has a structure of: comprises a first pipe section 10211 with a truncated conical surface structure on the outer peripheral surface, a second pipe section 10212 is arranged at the small end of the first pipe section 10211, and the outer peripheral surface of the second pipe section 10212 is consistent with the outer peripheral surface of the small end of the first pipe section 10211 in size. The interiors of the first tube segment 10211 and the second tube segment 10212 are fitted to the outer periphery of the detection shaft 101.

As shown in fig. 10 and 11, the second sensing portion 1011 has a block-like structure with an outer peripheral surface size larger than the inner hole size of the detection outer shaft 102.

The first sensor 107 and the second sensor 106 are both limit switches, the contact of the first sensor 107 is matched with the first sensing part 1021, and the contact of the second sensor 106 is matched with the second sensing part 1011.

Specifically, in the initial state of the detection device, the contact of the first sensor 107 abuts against the outer peripheral surface of the first pipe segment 10211, and the contact of the second sensor 106 is located at the upper portion of the second sensing portion 1011, as shown in fig. 10.

Embodiment two:

the transmission structure is further designed and improved on the basis of the first embodiment, so that the whole operation of the detection device is more stable.

As shown in fig. 10 to 13, the mounting frame assembly 5 has the structure that:

comprising a base frame 501, a roller bed 4 passing through the middle of the base frame 501;

the base frames 501 positioned on both sides of the roller bed 4 are respectively provided with a plurality of guide rails 502, the length direction of the guide rails 502 is vertical, and the base frames 501 are provided with a height detection switch 503 matched with the lifting frame assembly 2.

Specifically, the height detection switch 503 includes a position in-place detection switch of the crane assembly 2 when the detection device is in the initial state, and a position in-place detection switch of the crane assembly 2 when it is in the lower position. The side of the base frame 501 is provided with a chute, an up-position detecting switch and a down-position detecting switch are arranged on the chute, the positions of the up-position detecting switch and the down-position detecting switch are adjustable, and a switch detecting plate 205 corresponding to the height detecting switch 503 is fixed on the lifting frame assembly 2.

As shown in fig. 1 to 7, the driving mechanism 6 has a structure in which:

including installing in the driving motor 601 of mounting bracket subassembly 5 middle bottom, driving motor 601's output sets up drive shaft 602.

The device further comprises a first driven shaft 603 and a second driven shaft 604 which are arranged on the mounting frame assembly 5, the first driven shaft 603 and the second driven shaft 604 are respectively connected to the mounting frame assembly 5 through two bearing seats in a threaded mode, the axes of the first driven shaft 603 and the second driven shaft 604 are parallel to each other, and the first driven shaft 603 and the second driven shaft 604 are respectively located on two sides of the driving shaft 602.

The first driven shaft 603 and the second driven shaft 604 are simultaneously connected with the driving shaft 602 in a transmission manner, and the ends of the first driven shaft 603 and the second driven shaft 604 are simultaneously connected with the lifting frame assembly 2 in a transmission manner.

By driving the lifting frame assembly 2 to move up and down by adopting the same driving motor 601, the action consistency of a plurality of detection assemblies 1 is ensured.

Further, the transmission structure of the first driven shaft 603 and the first and second driven shafts 603 and 604 is as follows:

as shown in fig. 1-7, the structure of the drive mechanism 6 further includes a double row sprocket 6021 provided on the drive shaft 602. The driving shaft 602 and the double-row chain wheel 6021 can be in transmission connection through an expanding sleeve.

A first chain wheel 6032 is arranged on the first driven shaft 603, and the double-row chain wheel 6021 is in transmission connection with the first chain wheel 6032 through a first chain 6031; the first driven shaft 603 and the first sprocket 6032 can be in transmission connection through an expanding sleeve.

The second driven shaft 604 is provided with a second sprocket 6042, and the double-row sprocket 6021 is in transmission connection with the second sprocket 6042 through a second chain 6041. The second driven shaft 604 and the second sprocket 6042 can be in transmission connection through an expanding sleeve.

The first sprocket 6032 and the second sprocket 6042 adjust the tension of the chain by the adjusting screw on the bearing housing side.

Further, the transmission mode of the lifting frame assembly 2 and the driving mechanism 6 is designed, rotation is converted into linear motion through a cam structure, so that the lifting process of the lifting frame assembly 2 is more stable, and the specific structure is as follows:

as shown in fig. 1 to 9, the structure of the crane assembly 2 is:

the device comprises a support frame 201, wherein a detection assembly 1 is arranged on the support frame 201, and the support frame 201 is in sliding connection with a mounting frame assembly 5; specifically, sliding blocks in sliding fit with the guide rails 502 may be disposed on two sides of the supporting frame 201.

The lower part of the supporting frame 201 is provided with a plurality of sliding rail assemblies 202, and the axis of each sliding rail assembly 202 is horizontal and parallel to each other.

The device further comprises a plurality of eccentric wheels 204, wherein the rotation center of one group of eccentric wheels 204 is in transmission connection with a first driven shaft 603, and the rotation center of the other group of eccentric wheels 204 is in transmission connection with a second driven shaft 604; eccentric wheel 204 can be connected with a driven shaft in a transmission way through an expansion sleeve; each eccentric 204 is mounted at two ends of the driven shaft.

The eccentric part of each eccentric wheel 204 is rotatably provided with a roller 203, the roller 203 is in sliding fit with the sliding rail assembly 202, and the sliding direction of the roller 203 on the sliding rail assembly 202 is the same as the axial direction of the sliding rail assembly 202.

As shown in fig. 3, 5 and 9, the slide rail assembly 202 has the following structure: the roller 203 is positioned between the bottom plate 2023 and the top plate 2022, and the roller 203 is matched with the bottom plate 2023 and the top plate 2022 at the same time. The roller 203 rolls left and right in the closed frame composed of the bottom plate 2023 and the top plate 2022, and further a channel steel 2021 can be installed at the bottom of the supporting frame 201, and the top plate 2022 is installed on the channel steel 2021, so that the bottom plate 2023 and the top plate 2022 can be conveniently detached and installed.

The working principle of the automatic detection device for the vehicle body pry of the embodiment is as follows:

the vehicle body pry 3 is conveyed to a fixed position at an assembly station through a roller bed 4 and stops conveying;

then the driving motor 601 is started, the output end of the driving motor 601 rotates to drive the double-row chain wheel 6021 to rotate, and the double-row chain wheel 6021 drives the first chain wheel 6032 on the first driven shaft 603 and the second chain wheel 6042 on the second driven shaft 604 to rotate through the first chain 6031 and the second chain 6041 respectively, so that the eccentric wheel 204 at the end part of the driven shaft is driven to rotate;

the roller 203 of the eccentric wheel 204 rotates from the position just above the driven shaft by 0 degree to the position just below the driven shaft by 180 degrees, meanwhile, the whole lifting frame assembly 2 is driven to move downwards to the lower position along the vertical direction under the guidance of the installation frame assembly 5 of the lifting frame assembly 2, the lower in-place detection switch contacts the switch detection plate 205, then the driving motor 601 stops, the detection assembly 1 arranged on the lifting frame assembly 2 also descends at the same time, and the detection assembly 1 acts on the supporting pin 301 in the downward movement process.

The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.

Claims (10)

1. Automatic detection device of automobile body sled, its characterized in that: the lifting frame comprises a mounting frame assembly (5), wherein the mounting frame assembly (5) is slidably provided with a lifting frame assembly (2), a driving mechanism (6) is arranged on the mounting frame assembly (5), and the driving mechanism (6) is used for driving the lifting frame assembly (2) to move up and down along the vertical direction;

a plurality of detection assemblies (1) are arranged on the mounting frame assembly (5);

a roller bed (4) for conveying the vehicle body pry (3) passes through the middle part of the mounting frame assembly (5), when the vehicle body pry (3) is positioned at an assembly station of the roller bed (4), the vehicle body pry (3) is positioned below the plurality of detection assemblies (1), and a single detection assembly (1) corresponds to a single supporting pin (301) on the vehicle body pry (3);

the structure of the single detection component (1) is as follows:

comprises a flange sleeve (103) arranged on the lifting frame component (2), the flange sleeve (103) is of a tubular structure,

the outer periphery of the detection outer shaft (102) is matched with the inside of the flange sleeve (103), a first detection part (1022) is arranged at one end of the detection outer shaft (102), the first detection part (1022) is positioned below the outside of the flange sleeve (103), the first detection part (1022) corresponds to the supporting pin (301), the other end of the detection outer shaft (102) is a first induction part (1021), the first induction part (1021) passes through the inside of the flange sleeve (103) and is positioned above the outside of the flange sleeve (103),

the first detection part (1022) is connected with the flange sleeve (103) through a spring (105) in a compressed state, a cutting sleeve (104) is arranged outside the detection outer shaft (102) between the first induction part (1021) and the flange sleeve (103), the cutting sleeve (104) is matched with the end part of the flange sleeve (103),

the device also comprises a detection shaft (101), the periphery of the detection shaft (101) is in sliding fit with the inner hole of the detection outer shaft (102), the lower end of the detection shaft (101) is provided with a second detection part (1012), the second detection part (1012) is positioned in the first detection part (1022) and corresponds to the supporting pin (301), the upper end of the detection shaft (101) is provided with a second induction part (1011), the second induction part (1011) is matched with the end part of the first induction part (1021),

the flange sleeve is characterized by further comprising a first sensor (107) and a second sensor (106) which are fixedly arranged relative to the flange sleeve (103), wherein the first sensor (107) corresponds to the first sensing part (1021), and the second sensor (106) corresponds to the second sensing part (1011).

2. The vehicle body skid automatic detection device as set forth in claim 1, wherein: the first detection unit (1022) has a structure in which: including body (10221) of tubular structure, the one end of body (10221) with backing pin (301) corresponds, the other end of body (10221) with detect the tip cooperation of outer axle (102), the periphery of body (10221) is provided with annular boss (10222), annular boss (10222) structure with one end cooperation of spring (105), the hole of body (10221) with second detection portion (1012) cooperation.

3. The vehicle body skid automatic detection device as set forth in claim 1, wherein: the first sensing part (1021) has a structure that: the novel pipe comprises a first pipe section (10211) with a truncated conical surface structure on the outer peripheral surface, wherein a second pipe section (10212) is arranged at the small end of the first pipe section (10211), and the outer peripheral surface of the second pipe section (10212) is consistent with the outer peripheral surface of the small end of the first pipe section (10211) in size.

4. The vehicle body skid automatic detection device as set forth in claim 1, wherein: the second sensing part (1011) has a block-shaped structure with an outer peripheral surface size larger than an inner hole size of the detection outer shaft (102).

5. The automatic vehicle body skid detection apparatus as set forth in any one of claims 1 to 4, wherein: the first sensor (107) and the second sensor (106) are limit switches, a contact of the first sensor (107) is matched with the first sensing part (1021), and a contact of the second sensor (106) is matched with the second sensing part (1011).

6. The vehicle body skid automatic detection device as set forth in claim 1, wherein: the structure of the mounting frame assembly (5) is as follows:

comprising a base frame (501), the roller bed (4) passing through the middle of the base frame (501);

the two sides of the roller bed (4) are respectively provided with a plurality of guide rails (502), the length direction of each guide rail (502) is vertical, and the base frames (501) are provided with height detection switches (503) matched with the lifting frame assembly (2).

7. The vehicle body skid automatic detection device as set forth in claim 1, wherein: the driving mechanism (6) is structured as follows:

the device comprises a driving motor (601) arranged at the middle bottom of the mounting frame assembly (5), wherein a driving shaft (602) is arranged at the output end of the driving motor (601);

the device further comprises a first driven shaft (603) and a second driven shaft (604) which are arranged on the mounting frame assembly (5), wherein the axes of the first driven shaft (603) and the second driven shaft (604) are parallel to each other, and the first driven shaft (603) and the second driven shaft (604) are respectively positioned at two sides of the driving shaft (602);

the first driven shaft (603) and the second driven shaft (604) are simultaneously connected with the driving shaft (602) in a transmission way;

the ends of the first driven shaft (603) and the second driven shaft (604) are simultaneously connected with the lifting frame assembly (2) in a transmission way.

8. The vehicle body skid automatic detection apparatus as set forth in claim 7, wherein: also comprises a double-row chain wheel (6021) arranged on the driving shaft (602);

a first chain wheel (6032) is arranged on the first driven shaft (603), and the double-row chain wheel (6021) is in transmission connection with the first chain wheel (6032) through a first chain (6031);

the second driven shaft (604) is provided with a second sprocket (6042), and the double-row sprocket (6021) is in transmission connection with the second sprocket (6042) through a second chain (6041).

9. The vehicle body skid automatic detection apparatus as set forth in claim 7, wherein: the structure of the lifting frame component (2) is as follows:

the device comprises a support frame (201), wherein a detection assembly (1) is installed on the support frame (201), and the support frame (201) is in sliding connection with the installation frame assembly (5);

the lower part of the supporting frame (201) is provided with a plurality of sliding rail assemblies (202), and the axis of each sliding rail assembly (202) is in the horizontal direction and is parallel to each other;

the device further comprises a plurality of eccentric wheels (204), wherein the rotation center of one group of eccentric wheels (204) is in transmission connection with the first driven shaft (603), and the rotation center of the other group of eccentric wheels (204) is in transmission connection with the second driven shaft (604);

the eccentric part of each eccentric wheel (204) is rotatably provided with a roller (203), the roller (203) is in sliding fit with the sliding rail assembly (202), and the sliding direction of the roller (203) on the sliding rail assembly (202) is the same as the axial direction of the sliding rail assembly (202).

10. The vehicle body skid automatic detection apparatus as set forth in claim 9, wherein: the sliding rail assembly (202) has the structure that: the support frame comprises a top plate (2022) arranged at the lower part of the support frame (201), a bottom plate (2023) with a U-shaped longitudinal section is arranged at the lower part of the top plate (2022), a roller (203) is arranged between the bottom plate (2023) and the top plate (2022), and the roller (203) is matched with the bottom plate (2023) and the top plate (2022) at the same time.