CN214132405U

CN214132405U - Intelligent spraying production line for rail transit carriage

Info

Publication number: CN214132405U
Application number: CN202022441145.9U
Authority: CN
Inventors: 严长志; 许仕建
Original assignee: Guangdong Chuangzhi Intelligent Equipment Co ltd
Current assignee: Guangdong Chuangzhi Intelligent Equipment Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-09-07
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to an intelligent spraying production line for rail transit carriages, which comprises an intelligent conveying device for rail type heavy equipment capable of placing rail transit carriages, wherein the intelligent conveying device for rail type heavy equipment is sequentially provided with a rust removal station, a dehumidification station, an underframe spraying station, an automatic spraying station, a drying station and a marking spraying station; each station all adopts independent space to separate above, is equipped with rust cleaning sprinkler at the rust cleaning station, is equipped with dehydrating unit at the dehumidification station, is provided with paint spraying apparatus at chassis spraying station, is provided with a plurality of robots and paint spraying apparatus at the automatic spraying station, is provided with drying device at the stoving station. The intelligent conveying device for the rail type heavy equipment comprises two rails arranged in parallel and a plurality of chain wheel driving and conveying mechanism units, wherein the chain wheel driving and conveying mechanism units are uniformly distributed in the middle of the rails and the rails are parallel. And auxiliary transition cart mechanisms are arranged at the transition positions of the adjacent chain wheel drive transmission mechanism units.

Description

Intelligent spraying production line for rail transit carriage

Technical Field

The utility model relates to a track traffic carriage intelligence spraying production line.

Background

At present, the length of heavy rail transit equipment such as railway carriages is 8-25 meters, and the weight of the heavy rail transit equipment is up to 30 tons. In painting, it is necessary to build a painting line involving a plurality of stations, such as for example rust removal, dehumidification, painting, etc. The rail transit equipment is placed on a rail, then the rail transit equipment is pushed by a motor to move on the rail, the front of the rail is the rail which inclines upwards, when the rail transit equipment is pushed to be in place, the motor stops power output, the rail transit equipment is used for moving forwards and moving towards the rail which inclines upwards by utilizing inertia of the rail transit equipment to climb, the inertia of the rail transit equipment is offset by utilizing the lifting of the gravity center of the rail transit equipment, and therefore the rail transit equipment cannot be accurately positioned. Many automated processes are not well implemented.

Because these devices are too bulky and have too large inertia to achieve accurate positioning when driven. The present invention has been made under such circumstances.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a rail transit carriage intelligence spraying production line of accurate positioning, automatic spraying.

The utility model discloses the technical scheme who adopts does:

the utility model provides a track traffic carriage intelligence spraying production line which characterized in that: the intelligent conveying device 1 for the rail type heavy equipment is laid in a room body and can be used for placing a rail traffic carriage, and a rust removal station 2, a dehumidification station 3, an underframe spraying station 4, an automatic spraying station 5, a drying station 6 and a mark spraying station 7 are sequentially arranged on the intelligent conveying device 1 for the rail type heavy equipment; each station is separated by an independent space, a rust removal spraying device is arranged at the rust removal station 2, a dehumidifying device is arranged at the dehumidifying station 3, a paint spraying device is arranged at the bottom frame spraying station 4, a plurality of robots and paint spraying devices are arranged at the automatic spraying station 5, and a drying device is arranged at the drying station 6;

the intelligent conveying device 1 for the rail type heavy equipment comprises two rails 11 arranged in parallel and a plurality of chain wheel driving and transmitting mechanism units 12, wherein the chain wheel driving and transmitting mechanism units 12 are uniformly distributed in the middle of the rails 11, and the rails 11 are parallel; auxiliary transition trolley mechanisms 13 are arranged at the transition positions of the adjacent chain wheel driving transmission mechanism units 12;

the sprocket driving transmission mechanism unit 12 includes a sprocket 121 and a chain 122, the chain 122 is installed on the sprocket 121, the sprocket 121 is connected with a motor driving assembly 123, and an automatic guiding-in and separating device 124 capable of realizing rail type heavy equipment is arranged on the chain 122.

Preferably, buffer zones 8 are arranged between the base frame spraying station 4 and the automatic spraying station 5, between the automatic spraying station 5 and the drying station 6, and between the drying station 6 and the mark spraying station 7.

Preferably, the intelligent conveying device 1 for the rail-mounted heavy equipment is provided with two units which are arranged in parallel.

Preferably, the automatic guiding and separating device 124 includes a hook holder 1241 connected and fixed to the chain 122, the hook holder 1241 includes a bottom 12411 connected and fixed to the chain and a head 12412 and a tail 12413 respectively extending from two ends of the base, the bottom 12411, the head 12412 and the tail 12413 are integrally formed and are U-shaped, the tail 12413 is hinged with a push head 1242, the bottom 12411 is connected with an elastic member 1243, an upper end of the elastic member 1243 presses against an inner bottom surface of the push head 1242 to keep the push head 1242 in shape, a spacing space 1244 is formed between an end of the push head 1242 and the head 12412 of the hook holder 1241, and the push head 1242 is V-shaped and forms an upward slope angle toward one end of the head 12412 under the action of the elastic member 1243.

Preferably, the pushing head 1242 comprises a hinge portion 12421 hinged to the tail portion 12413, the two ends of the hinge portion 12421 extend to form a lead-in portion 12422 and a locking portion 12423, and the hinge portion 12421 is hinged to the tail portion 12413 of the latch hook seat 1241 through a pin; the lead-in portion 12422 is a flat surface; the locking portion 12423 is a straight inclined slope; the introduction part 12422, the hinge part 12421 and the locking part 12423 are formed in a V shape.

Preferably, the elastic member 1243 is a compression spring.

Preferably, a concave groove is formed at the bottom of the latch seat 1241, a plurality of through holes 2415 are formed at both sides of the concave groove, and the concave groove is clamped into a chain plate of the chain 122 and is fixedly connected after passing through the through holes 2415 through a pin.

Preferably, the auxiliary transition cart mechanism 13 includes driving sprockets 131 at the head and tail ends and a driving motor set 132 for driving the driving sprockets 131 to move, a driving chain 133 is connected between the two driving sprockets 131, a driving block 134 for driving the rail-type heavy equipment to move is connected and fixed to the driving chain 133, and the driving block 134 includes a connecting portion 1341 fixedly connected to the driving chain 133 and a driving portion 1342 for driving the rail-type heavy equipment to keep moving.

Preferably, the driving portion 1342 is trapezoidal, the left side of the driving portion 1342 is a vertical plane a, the top is a plane B, and the right side is a downward inclined plane C.

Preferably, the auxiliary transition cart mechanism 13 further includes a detection photoelectric probe capable of detecting the position of the rail-mounted heavy equipment.

The beneficial effects of the utility model reside in that:

1. the scheme is that an intelligent conveying device of rail type heavy equipment is arranged, a rail is arranged, the rail type heavy equipment is placed on the intelligent conveying device and then moves along the rail, and then a rust removing station, a dehumidifying station, an underframe spraying station, an automatic spraying station, a drying station, a mark spraying station and other stations are respectively arranged along the rail. The rail type intelligent heavy equipment conveying device is used for moving the heavy equipment on the rail, so that the heavy equipment can accurately arrive at the corresponding station and can be processed at the corresponding station. The problem that the prior heavy equipment cannot be accurately positioned is solved.

2. The intelligent conveying device for the rail type heavy equipment adopts two rails which are arranged in parallel, a plurality of chain wheel driving and conveying mechanism units are sequentially arranged in the middle of the rails, and auxiliary transition pushing mechanisms are arranged at transition positions of every two adjacent chain wheel driving and conveying mechanism units. Therefore, the rail-mounted heavy equipment is placed on a rail, the transmission mechanism units are driven by the chain wheels to move at a constant speed, the rail is long, and can be completed only by the chain wheels, and the chain wheels are required to be transited.

3. In order to realize the power cut-in and separation of the rail type heavy equipment, the scheme adopts a locking hook seat which is fixedly connected on a chain, the chain and a chain wheel are arranged in the middle of rails on two sides, the heavy rail equipment is arranged on the rails, a column which is vertically downward is welded at the bottom of the heavy rail equipment, the chain wheel drives the chain to move, the chain drives the locking hook seat to move together, when the locking hook seat arrives at the column, the bottom end of the column is just level with an introduction part, the locking hook seat continues to advance, the bottom end of the column arrives at the surface of a locking part, because the surface of the locking part is supported by an elastic part, the surface of the locking part is an upward slope which inclines, the bottom end of the column can push against the surface of the locking part, the locking part rotates around a hinge point of the locking part, the bottom end of the column can continue to slide on the surface of the locking part and finally slides over the locking part, the bottom end of the column is separated from the locking part, and the locking part bounces back under the action of the elastic part, the lower end of the column falls into the space formed between the end part of the push head and the head part of the lock hook seat, and the column is contacted with the head part of the lock hook seat and driven by the head part, so that the heavy rail equipment is driven to move on the rail. When heavy rail equipment of needs stops, the sprocket stops to make the chain stop to move, and the latch hook seat also stops to move, and the card also can stop to move at the post in interval space for heavy rail equipment stops to move, realizes stopping, realizes accurate positioning, lays the basis for realizing automatic spraying paint.

4. When needs break away from and drive heavy rail equipment, the chain takes the latch hook seat to come sprocket department, and the latch hook seat does the circumference along the sprocket and transports, and then the locking portion angle on the latch hook seat changes to the interval space is by the horizontal peak of handling the chain slowly whereabouts, when the angle of locking portion reachs the settlement angle, the post will break away from the post like this, realizes autosegregation.

5. In addition, in order to realize that track type heavy equipment breaks away from last sprocket drive transmission mechanism unit after, supplementary transition car pushing mechanism needs intervene simultaneously, need detect photoelectric probe and survey track type heavy equipment's position this moment, after detecting track type heavy equipment breaks away from last sprocket drive transmission mechanism unit, supplementary transition car pushing mechanism can start simultaneously, the drive chain drives the drive block removal simultaneously, the drive block also can contact with another transition post of track type heavy equipment simultaneously, realize the conveying of power, the power that provides for track type heavy equipment has also been realized constantly.

6. In order to assist the separation of the power of the transitional car pushing mechanism, the driving part is specially designed to be in a trapezoid shape, the left side of the driving part is a vertical plane A, the top of the driving part is a plane B, and the right side of the driving part is a lower inclined plane C. The chain takes the drive block to come to drive sprocket department, and the drive block does the circumference along drive sprocket and transports, and then the angle of drive block on drive sprocket changes, and the transition post can slide after the top, slides the lower inclined plane C on right side at last, and the transition post will break away from like this, and power transmission ends just here.

Drawings

Fig. 1 is a line layout diagram of the present invention.

Fig. 2 is a perspective view of the sprocket drive transmission mechanism unit and the auxiliary transition cart mechanism.

Fig. 3 is a perspective view of the intelligent conveying device for heavy equipment, wherein the heavy equipment is placed on a rail type heavy equipment.

Fig. 4-5 are side and top views of the sprocket drive transmission mechanism unit.

Fig. 6-7 are side and top views of an auxiliary transition cart mechanism.

Fig. 8 is a front view of the intelligent conveyor for heavy equipment placed on a rail type heavy equipment.

FIG. 9 is a schematic diagram of the disengaging power of the automatic introducing and separating apparatus.

FIG. 10 is a schematic illustration of the disengagement power of the auxiliary transition cart mechanism.

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 efforts belong to the protection scope of the present invention.

As shown in the figure, do the utility model discloses the intelligent spraying production line in rail transit carriage of preferred embodiment. In this embodiment, the heavy rail equipment is a railway carriage 9, with a length of 8-25 meters and a weight of 30 tons. In this embodiment, a rail, i.e. a railway rail, is first constructed, which is about 260 meters in length. The railway carriage is placed on the rail, and then a pillar 10 is welded at the middle position of the bottom of the railway carriage to prepare for matching implementation.

The device comprises a rail type heavy equipment intelligent conveying device 1 which is paved in a room body and can be used for placing a rail traffic carriage, wherein a rust removal station 2, a dehumidification station 3, an underframe spraying station 4, an automatic spraying station 5, a drying station 6 and a mark spraying station 7 are sequentially arranged on the rail type heavy equipment intelligent conveying device 1; each station is separated by an independent space, and a rust removal spraying device is arranged at the rust removal station 2 and comprises rust removal liquid medicine, a spraying head group, a water return system and the like. The dehumidifying station 3 is provided with a dehumidifying device which adopts a special heat pump device to realize dehumidification and has the advantages of high efficiency, rapidness, energy conservation and the like. A painting facility is arranged at the chassis painting station 4, a plurality of robots and painting devices are arranged at the automatic painting station 5, and the painting devices comprise a painting control system, a spray gun, a paint supply device and the like in the station. And a drying device is arranged at the drying station 6, and the drying device adopts a heating and air supply circulation mode to dry.

In addition, buffer areas 8 are arranged between the base frame spraying station 4 and the automatic spraying station 5, between the automatic spraying station 5 and the drying station 6 and between the drying station 6 and the mark spraying station 7, and enough space is reserved for relevant operation. Rail mounted heavy equipment intelligence conveyor 1 is provided with two units, and these two units parallel arrangement each other for in same factory building, two line bodies go on simultaneously, and efficiency improves. In this embodiment, one of the lines is sprayed with a primer, and the other line is sprayed with a topcoat. The two line bodies are operated in a division and cooperation mode, and the efficiency is obviously improved.

The intelligent conveying device 1 for the rail type heavy equipment comprises two rails 11 arranged in parallel and a plurality of chain wheel driving and transmitting mechanism units 12, wherein the chain wheel driving and transmitting mechanism units 12 are uniformly distributed in the middle of the rails 11, and the rails 11 are parallel. And auxiliary transition trolley mechanisms 13 are arranged at the transition positions of the adjacent chain wheel driving transmission mechanism units 12. Therefore, the rail-mounted heavy equipment is placed on a rail, the transmission mechanism units are driven by the chain wheels to move at a constant speed, the rail is long, and can be completed only by the chain wheels, and the chain wheels are required to be transited.

Further, as shown in fig. 2 and 3, the sprocket driving transmission mechanism unit 12 includes a sprocket 121 and a chain 122, the chain 122 is mounted on the sprocket 121, the sprocket 121 is connected to a motor driving assembly 123, and an automatic guiding-in and separating device 124 for realizing rail type heavy equipment is disposed on the chain 122.

As shown in fig. 2, the automatic leading-in and separating device 124 includes a latch holder 1241 connected and fixed to the chain 122, a concave groove is formed at the bottom of the latch holder 1241, a plurality of through holes 2415 are formed at both sides of the concave groove, and the concave groove is snapped into the chain plate of the chain 122 and is fixedly connected after passing through the through holes 2415 by pins. The latch hook seat 1241 comprises a bottom 12411 connected and fixed with the chain, and a head 12412 and a tail 12413 respectively extending from two ends of the base, wherein the bottom 12411, the head 12412 and the tail 12413 are integrally formed and are U-shaped, that is, the middle is concave, and two ends are tilted upwards. A pushing head 1242 is hinged to the tail 12413, and an elastic member 243, which is a compression spring in this embodiment, is connected to the bottom 12411. The upper end of the elastic member 243 presses against the inner bottom surface of the push head 1242 to keep the push head 1242 in a shape, a spacing space 1244 is formed between the end of the push head 1242 and the head portion 12412 of the latch holder 1241, and the push head 1242 is in a V shape and forms an upward slope angle at the end of the push head 1242 facing the head portion 12412 under the action of the elastic member 243.

In addition, as shown in fig. 2, 3 and 9, the pushing head 1242 includes a hinge portion 12421 hinged to the tail portion 12413, a lead-in portion 12422 and a locking portion 2423 extend from both ends of the hinge portion 12421, and the hinge portion 12421 is hinged to the tail portion 12413 of the latch hook seat 1241 through a pin. The lead-in portion 12422 is a flat surface. Locking portion 2423 is a straight slope surface. The introduction part 12422, the hinge part 12421 and the locking part 2423 are formed in a V shape. In addition, the latch seat 1241 is made of cast iron, and is formed integrally, and its strength is sufficiently large, and its thinnest portion has a thickness of 150-. So that it can push the carriage of more than 30 tons. Preferably, the lock hook seat can be made of alloy steel with higher strength. The low-alloy high-strength steel in the scheme is alloy steel with yield strength exceeding 275 MPa.

As shown in fig. 2, 3, 6, 7 and 10, the auxiliary transition cart mechanism 13 includes a driving sprocket 131 at the head and tail ends and a driving motor set 132 for driving the driving sprocket 131 to move, the driving motor set 132 includes a motor and a speed reducer, and is connected to the driving sprocket 131 through the speed reducer, and the two are also connected through a chain, so as to achieve the strength, a double-chain connection is adopted. A driving chain 33 is connected between the two driving sprockets 131, and the driving chain 33 is thickened to meet the requirement. A driving block 134 for driving the rail-type heavy equipment to move is connected and fixed to the driving chain 33, and the driving block 134 includes a connection part 1341 fixedly connected to the driving chain 33 and a driving part 1342 for driving the rail-type heavy equipment to keep a moving state.

In order to realize automatic cutting power and automatic separation power, the driving part 1342 is trapezoidal, the left side of the driving part 1342 is a vertical plane A, the top is a plane B, and the right side is a lower inclined plane C. In order to realize accurate power cut-in, the auxiliary transition cart mechanism 13 further includes a detection photoelectric probe capable of detecting the position of the rail-mounted heavy equipment. In the scheme, the rail type heavy equipment is a railway carriage.

Of course, since the rail in the present case is a straight rail, the railway carriage still needs to be transferred by other existing transportation equipment at the head and tail ends of the rail, and will not be discussed herein.

1. As shown in fig. 2, 4, 5, 9, and in particular in fig. 9, several latch receptacles are shown, which are shown in different positions with respect to the post 10. When the train carriage needs to be driven to move, power needs to be introduced, the chain wheel drives the chain to move, the chain drives the lock hook seat to move together, when the lock hook seat comes to a column at the bottom of the train carriage, the bottom end of the column is just level with the introduction part, the lock hook seat continues to advance, the bottom end of the column comes to the surface of the locking part, because the surface of the locking part is propped by the elastic part, the surface of the locking part is an inclined upward slope, the bottom end of the column can be propped against the surface of the locking part, so that the locking part rotates around the hinge point of the locking part, the bottom end of the column can continue to slide on the surface of the locking part and finally slide over the locking part, the bottom end of the column is separated from the locking part, the locking part bounces back to the original position under the action of the elastic part, the lower end of the column can fall into a spacing space formed between the end part of the push head and the head part of the lock hook seat, and the column is driven by the head part, thereby driving the heavy rail equipment to move on the rail. When heavy rail equipment of needs stops, the sprocket stops to make the chain stop to move, and the latch hook seat also stops to move, and the card also can stop to move at the post in interval space for heavy rail equipment stops to move, realizes stopping, realizes accurate positioning, lays the basis for realizing automatic spraying paint.

2. As shown in fig. 2, 4, 5, and 9, especially fig. 9, the latch seat is assumed to be at different positions of the chain wheel, and the pillar 10 is related to the latch seat, when the chain needs to be separated from the train carriage, the chain takes the latch seat to the chain wheel, the latch seat is transported along the chain wheel in the circumferential direction, the angle of the locking part on the latch seat changes, and the spacing space slowly falls from the highest horizontal point of the processing chain, when the angle of the locking part reaches the set angle, the pillar will be separated from the pillar, and the automatic separation is realized.

3. As shown in fig. 6, 7 and 10, after the train carriage is separated from the previous chain wheel driving transmission mechanism unit, the train carriage can be slowed down under the action of friction force, and the scheme is to realize the purpose of keeping the movement speed of the train carriage. The power of supplementary transition pusher mechanism needs to intervene simultaneously, need detect photoelectric probe and survey the position of rail mounted heavy equipment this moment, after detecting that rail mounted heavy equipment breaks away from last sprocket drive transmission mechanism unit, supplementary transition pusher mechanism can start simultaneously, drive chain drives the drive block removal simultaneously, the drive block also can contact with another transition post 11 of rail mounted heavy equipment simultaneously, realize the conveying of power, also realized providing the power that the uninterrupted provided for rail mounted heavy equipment.

4. As shown in fig. 6, 7 and 10, particularly fig. 10, the driving part is designed to be trapezoidal in order to assist the disengagement of the power of the transition pusher mechanism by assuming that the driving block is at different positions of the driving sprocket and the transition pillar 11 is in relation to the driving block, and the left side of the driving part is a vertical plane a, the top of the driving part is a plane B, and the right side of the driving part is a lower inclined plane C. The chain drives the driving block to come to the driving chain wheel, the driving block is transported along the driving chain wheel in the circumferential direction, the angle of the driving block on the driving chain wheel changes, the transition column can slide over the top and finally slide over the lower inclined plane C on the right side, and therefore the transition column 11 can be separated from the driving chain wheel, and power transmission is finished.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a track traffic carriage intelligence spraying production line which characterized in that: the intelligent conveying device comprises a rail type heavy equipment intelligent conveying device (1) which is paved in a room body and can be used for placing a rail traffic carriage, wherein a rust removal station (2), a dehumidification station (3), an underframe spraying station (4), an automatic spraying station (5), a drying station (6) and a mark spraying station (7) are sequentially arranged on the rail type heavy equipment intelligent conveying device (1); each station is separated by an independent space, a rust removal spraying device is arranged on the rust removal station (2), a dehumidifying device is arranged on the dehumidifying station (3), a paint spraying device is arranged on the bottom frame spraying station (4), a plurality of robots and paint spraying devices are arranged on the automatic spraying station (5), and a drying device is arranged on the drying station (6);

the intelligent conveying device (1) for the rail type heavy equipment comprises two rails (11) arranged in parallel and a plurality of chain wheel driving and transmitting mechanism units (12), wherein the chain wheel driving and transmitting mechanism units (12) are uniformly distributed in the middle of the rails (11), and the rails (11) are parallel; auxiliary transition trolley mechanisms (13) are arranged at the transition positions of the adjacent chain wheel driving transmission mechanism units (12);

the chain wheel driving transmission mechanism unit (12) comprises a chain wheel (121) and a chain (122), the chain (122) is installed on the chain wheel (121), the chain wheel (121) is connected with a motor driving assembly (123), and an automatic leading-in and separating device (124) capable of achieving rail type heavy equipment is arranged on the chain (122).

2. The intelligent spraying production line of the rail transit carriage as claimed in claim 1, wherein: buffer areas (8) are arranged between the base frame spraying station (4) and the automatic spraying station (5), between the automatic spraying station (5) and the drying station (6) and between the drying station (6) and the mark spraying station (7).

3. The intelligent spraying production line of the rail transit carriage as claimed in claim 2, wherein: the intelligent conveying device (1) for the rail type heavy equipment is provided with two units which are arranged in parallel.

4. The intelligent spraying production line of the rail transit carriage as claimed in claim 1, 2 or 3, wherein: the automatic leading-in and separating device (124) comprises a lock hook seat (1241) which is fixedly connected with the chain (122), the lock hook seat (1241) comprises a bottom part (12411) which is fixedly connected with the chain, a head part (12412) and a tail part (12413) which respectively extend from two ends of the base, the bottom part (12411), the head part (12412) and the tail part (12413) are integrally formed and are U-shaped, a push head (1242) is hinged at the tail part (12413), an elastic piece (1243) is connected on the bottom part (12411), the upper end of the elastic piece (1243) pushes against the inner bottom surface of the push head (1242) to keep the shape of the push head (1242), a spacing space (1244) is formed between the end part of the push head (1242) and the head part (12412) of the lock hook seat (1241), the push head (1242) is V-shaped, and under the action of the elastic piece (1243), one end of the push head (1242) facing the head part (12412) forms an upward slope angle.

5. The intelligent spraying production line of the rail transit carriage as claimed in claim 4, wherein: the push head (1242) comprises a hinged part (12421) hinged at the tail part (12413), the two ends of the hinged part (12421) extend to form a lead-in part (12422) and a locking part (12423), and the hinged part (12421) is hinged at the tail part (12413) of the lock hook seat (1241) through a pin shaft; the lead-in part (12422) is a flat surface; the locking part (12423) is a straight inclined slope; the introduction part (12422), the hinge part (12421) and the locking part (12423) are formed in a V shape.

6. The intelligent spraying production line of the rail transit carriage as claimed in claim 4, wherein: the elastic piece (1243) is a compression spring.

7. The intelligent spraying production line of the rail transit carriage as claimed in claim 4, wherein: the bottom of the lock hook seat (1241) is provided with a concave groove, two sides of the concave groove are provided with a plurality of through holes (2415), and the concave groove is clamped into a chain plate of the chain (122) and fixedly connected after penetrating through the through holes (2415) through pins.

8. The intelligent spraying production line of the rail transit carriage as claimed in claim 1, 2 or 3, wherein: supplementary transition shallow mechanism (13) are connected with drive chain (133) including drive sprocket (131) and the driving motor group (132) that drive sprocket (131) action at head and tail both ends between two drive sprocket (131), are connected on drive chain (133) and are fixed with drive block (134) that can drive the motion of rail mounted heavy equipment, drive block (134) including with drive chain (133) fixed connection's connecting portion (1341) and drive rail mounted heavy equipment keep the drive division (1342) of motion form.

9. The intelligent spraying production line of the rail transit carriage as claimed in claim 8, wherein: the driving part (1342) is trapezoidal, the left side of the driving part (1342) is a vertical plane A, the top of the driving part is a plane B, and the right side of the driving part is a lower inclined plane C.

10. The intelligent spraying production line of the rail transit carriage as claimed in claim 8, wherein: the auxiliary transition trolley mechanism (13) further comprises a detection photoelectric probe capable of detecting the position of the rail type heavy equipment.