CN211594139U

CN211594139U - Exhaust pipe conveying system

Info

Publication number: CN211594139U
Application number: CN201922144447.7U
Authority: CN
Inventors: 林伟标
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-29
Anticipated expiration: 2029-12-03

Abstract

The utility model provides an exhaust pipe conveying system, which comprises a tray, a first conveying channel, a second conveying channel and a lifting device; the first conveying channel is provided with a feeding end and a discharging end which are arranged oppositely; the second conveying channel is positioned below the first conveying channel and is provided with an inlet and an outlet which are oppositely arranged, the inlet is positioned below the discharging end, and the outlet is positioned below the feeding end; the lifting device comprises a lifting platform, the lifting platform is provided with a lifting position in butt joint with the discharging end of the first conveying channel and a descending position in butt joint with the inlet of the second conveying channel, so that after the tray is conveyed to the discharging end, the tray is transferred to the second conveying channel from the first conveying channel to be recycled, automatic return of the tray is achieved, labor is saved, and conveying efficiency of the exhaust pipe is improved.

Description

Exhaust pipe conveying system

Technical Field

The utility model relates to an automobile assembling device, concretely relates to blast pipe transfer system.

Background

An exhaust pipe of an automobile is a very important part in an automobile assembly link, the exhaust pipe of the automobile is often assembled upwards to an automobile shell located above an assembly line from an exhaust pipe conveying assembly line, and the conveying and assembling efficiency of the exhaust pipe determines the assembling efficiency of the whole automobile.

However, in the prior art, the transportation and assembly of the exhaust pipe of the automobile are time-consuming and labor-consuming, and generally, the transportation belt transports the tray carrying the exhaust pipe to an assembly position, after an operator takes off the exhaust pipe, a plurality of operators lift the exhaust pipe under the automobile, and another operator installs the exhaust pipe under the automobile; in addition, an operator is required to recover the tray and convey the tray to the exhaust pipe feeding position, so that the tray can be recycled conveniently. The conveying mode of this kind of blast pipe needs the special messenger to retrieve and transport tray to feed position, and degree of automation is low, and the human cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust pipe conveying system aims at solving the problem that the degree of automation of tray passback is low in the data send process of vehicle vent-pipe.

To achieve the above object, the present invention discloses a delivery system for exhaust pipes, which comprises

The tray is used for bearing the exhaust pipe to be assembled;

a first transfer passage having a feed end and a discharge end disposed opposite to each other for transferring a tray loaded with exhaust pipes to be assembled from the feed end to the discharge end,

the second conveying channel is arranged below the first conveying channel and provided with an inlet and an outlet which are oppositely arranged, the inlet is positioned below the discharging end, and the outlet is positioned below the feeding end; and the number of the first and second groups,

a lift assembly including a lift platform having a raised position that is raised to interface with the discharge end and a lowered position that interfaces with the inlet to transfer the pallet from the first transfer lane to the second transfer lane after the pallet is transferred to the discharge end to retrieve the pallet.

Optionally, the first conveying channel comprises a first slide rail extending along the length direction of the first conveying channel, and the first slide rail is arranged from the feeding end to the discharging end in a downward inclination manner.

Optionally, the first conveying passage further includes a blocking plate 24 disposed at the discharging end of the first conveying passage, and the blocking plate 24 is movably disposed along an up-down direction, and has a blocking position moving upward to be higher than the first slide rail to block the tray, and a releasing position moving downward to be lower than the first slide rail.

Optionally, the lifting device further comprises a mounting plate disposed at a descending position of the lifting platform;

keep away from on the mounting panel one side of second transfer passage is equipped with the ejector pin that upwards extends for when lift platform descends to the decline position department, make lift platform orientation the downward sloping of second transfer passage.

Optionally, the exhaust pipe conveying system further includes a first inductive switch, a second inductive switch and a third inductive switch, the first inductive switch is disposed in the second conveying channel near the inlet, so as to control the lifting platform to ascend after the tray is transferred to the second conveying channel; the second inductive switch is arranged between the lifting platform and the mounting plate so as to control the blocking plate to move downwards to the release position after the lifting platform is induced to ascend to the lifting position; the third inductive switch is arranged in the first conveying channel and close to the discharging end, so that the blocking plate is controlled to move upwards to the blocking position after the tray is sensed to be transferred to the lifting platform.

Optionally, the second conveying channel comprises a second sliding rail extending along the length direction of the second conveying channel, and the second sliding rail is arranged in a downward inclination from the inlet to the outlet; and/or the presence of a gas in the gas,

the lifting device further comprises a first driving assembly, and the first driving assembly is in driving connection with the lifting platform to drive the lifting platform to move.

Optionally, the exhaust pipe conveying system further comprises an exhaust pipe assembly rack arranged on one side of the lifting device far away from the first conveying channel,

the exhaust pipe assembly frame comprises a lifting frame capable of moving up and down, and the lifting frame is provided with a lifting position for lifting the exhaust pipe upwards to a position of an automobile to be assembled and a starting position for receiving the exhaust pipe.

Optionally, the exhaust pipe assembly jig is arranged to extend along the length direction of the first conveying passage and has a front direction and a rear direction perpendicular to the length direction of the first conveying passage;

the upper end surface of the exhaust pipe assembly frame is provided with a fixed seat, and a guide hole extending upwards and downwards is formed in the fixed seat; the hoisting frame comprises a lifting rod and a lifting platform, the lifting rod is movably installed in the guide hole, the lifting platform is arranged at the upper end of the lifting rod, and a clamping groove is formed in the upper end face of the lifting platform and used for clamping and limiting the exhaust pipe.

Optionally, the exhaust pipe mount further comprises a second drive assembly, the second drive assembly comprising:

one end of the pedal is hinged to the front side of the lower part of the exhaust pipe assembling frame, and the other end of the pedal has an up-down movable stroke;

a plurality of first fixed pulleys fixedly mounted to the exhaust pipe mounting bracket;

one end of the first traction rope is connected with the end part of the pedal with the upward and downward movable stroke, and the other end of the first traction rope is connected to the lower end of the lifting rod after passing through the first fixed pulleys;

wherein the lifting rod is lifted when the pedal is moved downwards, so that the lifting frame is in a lifting position.

Optionally, the second drive assembly further comprises:

the bracket is movably arranged on the exhaust pipe assembling frame in the front-back direction and is positioned below the lifting rod; the lifting rod device comprises a supporting position and an avoiding position, wherein the supporting position moves forwards to the position below the lifting rod to enable the lifting rod to be placed on the supporting position, and the avoiding position moves backwards to avoid the lifting rod;

one end of the lifting handle is hinged to the front side of the upper part of the exhaust pipe assembly frame, and the other end of the lifting handle has a forward and backward movable stroke;

a plurality of second fixed pulleys fixedly mounted to the exhaust pipe mounting bracket;

one end of the second traction rope is connected with the end part of the handle with the forward and backward movable stroke, and the other end of the second traction rope is connected to the bracket after passing through the plurality of first fixed pulleys;

when the lifting handle moves forwards, the support leaves the supporting position, and the lifting rod descends under the action of the gravity of the lifting rod, so that the lifting frame is in the initial position.

The utility model provides an among the technical scheme, blast pipe transfer system includes first transfer passage, second transfer passage and elevating gear, and the second transfer passage is located first transfer passage's below, and elevating gear includes lift platform, and lift platform has the rising position with first transfer passage's discharge end butt joint to and the decline position with the import butt joint of second transfer passage. In the blast pipe data send process, the tray that carries the blast pipe moves to the discharge end from the feed end along first transfer passage to on further moving to the lift platform that is in the rising position, then, the blast pipe is taken away and is used for the assembly, lift platform descends to the decline position, and transfer the tray to second transfer passage, the tray moves to the export from its import along second transfer passage, has realized the automatic passback of tray, uses manpower sparingly, has improved the conveying efficiency of blast pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an exhaust pipe transfer system according to the present invention;

FIG. 2 is a schematic structural view of the first conveying passage, the second conveying passage and the lifting device in FIG. 1;

FIG. 3 is a schematic view of the exhaust pipe mounting bracket of FIG. 1 at another angle.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 is a schematic view of an embodiment of the exhaust pipe conveying system provided in the present invention, fig. 2 is a schematic view of a first conveying passage, a second conveying passage and a lifting device in fig. 1, and fig. 3 is a schematic view of an exhaust pipe assembly rack in fig. 1 at another angle.

As shown in fig. 1, the exhaust pipe transfer system of the present embodiment includes a tray 1, a first transfer passage 2, a second transfer passage 3, a lifting device 4, and an exhaust pipe jig 5. Wherein, tray 1, first transfer passage 2, second transfer passage 3 and elevating gear 4 for transmit the blast pipe to the assembly position from the feedstock position, and realize the automatic passback of tray 1, but blast pipe assembly jig 5 oscilaltion sets up, is used for lifting the blast pipe to the automobile department of waiting to assemble that is located blast pipe assembly jig 5 top.

With further reference to fig. 1, the first conveying path 2 has a feed end 22 and a discharge end 21 arranged oppositely for conveying the tray 1 loaded with the exhaust pipes to be assembled from the feed end 22 to the discharge end 21; the second conveying channel 3 is arranged below the first conveying channel 2, the second conveying channel 3 is provided with an inlet 31 and an outlet 32 which are oppositely arranged, the inlet 31 is positioned below the discharging end 21, and the outlet 32 is positioned below the feeding end 22; the lifting device 4 includes a lifting platform 41, the lifting platform 41 having a raised position to be raised to be in abutment with the discharge end 21 and a lowered position to be lowered to be in abutment with the inlet 31 to transfer the tray 1 from the first transfer passage 2 to the second transfer passage 3 to recover the tray 1 after the tray 1 is transferred to the discharge end 21.

When the exhaust pipes are conveyed and assembled, an operator places the exhaust pipes on the tray 1 at the feeding end 22 of the main frame, the tray 1 conveys the exhaust pipes to the lifting platform 41, the operator places the exhaust pipes on the exhaust pipe lifting platform 41 at the discharging end 21, the exhaust pipe lifting platform 41 lifts the exhaust pipes upwards to the automobile to be assembled for assembly, and meanwhile, the lifting platform 41 descends to the descending position to recover the tray 1; then, the elevating platform 41 ascends to the initial position to receive the tray 1 again, and the exhaust pipe elevating platform 41 descends to the initial position to receive the exhaust pipe again after assembling the exhaust pipe.

The utility model provides a technical scheme, in blast pipe data send process, tray 1 that carries the blast pipe moves to discharge end 21 from feed end 22 along first transfer passage 2, and further move to the lift platform 41 that is in the rising position, then, the blast pipe is taken away and is used for the assembly, lift platform 41 descends to the decline position, and transfer tray 1 to second transfer passage 3, tray 1 moves to export 32 from its import 31 along second transfer passage 3, the automatic passback of tray 1 has been realized, the manpower is saved, the conveying efficiency of blast pipe has been improved.

The manner in which the trays 1 are moved from the feed end 22 to the discharge end 21 of the first transfer path 2 is not limited, and a conveyor belt or a conveyor chain may be used for the transfer. In this embodiment, the height difference is used to set the height of the feeding end 22 higher than the discharging end 21, so that the tray 1 slides from the feeding end 22 to the discharging end 21 under the action of its own gravity without using a driving mechanism such as a motor, thereby saving the cost. Specifically, the first conveying channel 2 further includes a first slide rail 23 for conveying the tray 1, and the first slide rail 23 extends from the feeding end 22 to the discharging end 21 in a downward inclination manner, so that the tray 1 slides from the feeding end 22 to the discharging end 21 under the action of its own weight. In addition, in the case of the slide-like conveying method, when the trays 1 are conveyed, the trays 1 are sequentially stacked on the first slide rail 23, and after the first tray 1 located at the discharging end 21 moves to the lifting platform 41, the next tray 1 immediately supplements the position, so that the discharging end 21 is always supplied with the exhaust pipe. Therefore, the exhaust pipe can be supplemented in time, the accumulation of the exhaust pipe can not be caused, the supply of the exhaust pipe is well matched with the assembly speed of the exhaust pipe, and the transmission quality and the assembly efficiency are improved; meanwhile, when the exhaust pipe is not needed to be conveyed like a conveyor belt, a specially-assigned person is required to be installed to control the conveying speed of the conveyor belt so as to prevent the exhaust pipe from being accumulated or insufficient in supply, and the labor cost is saved.

When the tray 1 is transported in a manner similar to a slide, when the lifting platform 41 descends to the descending position to recover the tray 1, in order to prevent the next tray 1 with the exhaust pipe from sliding out of the discharging end 21 of the first conveying channel 2, a blocking plate 24 is designed at the discharging end 21 of the first conveying channel 2, and the blocking plate 24 can be movably arranged in the up-and-down direction, and has a blocking position which moves upwards to be higher than the first slide rail 23 to block the tray 1 and a releasing position which moves downwards to be lower than the first slide rail 23. When the elevating platform 41 returns to the raised position from the lowered position, the blocking plate 24 is lowered to slide the tray 1 carrying the exhaust pipes onto the elevating platform 41, and then, the blocking plate 24 is raised to block the next tray 1 from moving.

The manner in which the pallet 1 is transferred from the first conveying path 2 to the lifting platform 41 and from the lifting platform 41 to the second conveying path 3 is not limited, and in one embodiment, the lifting platform 41 is provided with a conveyor belt or a conveyor chain, the conveyor belt and the conveyor chain can be driven in two directions, and the pallet 1 can be received from the discharge end 21 of the first conveying path 2 or the pallet 1 can be transferred to the inlet 31 of the second conveying path by controlling the rotation direction of the chain. In this embodiment, since the first conveying path 2 adopts a slide rail conveying manner, the tray 1 can slide to the lifting platform 41 by means of the sliding inertia after sliding from the feeding end 22 to the discharging end 21 of the first slide rail 23.

In order to move the pallet 1 from the lifting platform 41 to the second conveying passage 3, the lifting device 4 of the present invention further comprises a mounting plate 42 disposed at the descending position of the lifting platform 41 for supporting the lifting platform 41 at the descending position; the up end of mounting panel 42 is kept away from the one side of first transfer passage 2 and is set up the ejector pin 43 that upwards extends, and when lift platform 41 descends to the decline position department, ejector pin 43 with lift platform 41 keep away from one side jack-up of second transfer passage 3, makes lift platform 41 towards the downward sloping setting of second transfer passage 3, and then makes tray 1 follow lift platform 41 towards one side roll-off of second transfer passage 3. In this embodiment, one side that utilizes lift platform 41 is raised, makes tray 1 follow the lower one side roll-off of lift platform 41, so can remove from and use actuating mechanism such as motor, rotation chain, structural design is simple, practical, and is with low costs.

Further, the manner in which the tray 1 moves from the inlet 31 to the outlet 32 of the second conveying path 3 is not limited, and a conveyor belt or a conveyor chain may be used for the conveyance. In this embodiment, the second conveying path 3 includes a second slide rail 33 extending along the second conveying path 3, the second slide rail 33 is disposed to extend from the inlet 31 to the outlet 32 in a downward inclination manner, and after the tray 1 is transferred from the lifting platform 41 to the inlet 31 of the second slide rail 33, the tray 1 slides from the inlet 31 to the outlet 32 under the action of its own gravity, so as to realize the recycling of the tray 1. This embodiment utilizes the slide principle twice, uses the first slide rail 23 that feed end 22 is higher than discharge end 21 to transmit tray 1 to discharge end 21, uses second slide rail 33 that import 31 is higher than export 32 again to pass back tray 1 to feed end 22, realizes that tray 1 does not have artifical the recovery, practices thrift the manpower, and this mechanical structure is simple, practical, with low costs, easy operation, easily controls, practices thrift the material resources, and conveying efficiency is high.

The utility model discloses still include a drive assembly, be connected with 41 drives of lift platform to drive lift platform 41 activity. Specifically, be formed with on the mounting panel 42 and run through its upper and lower terminal surface and follow four mounting holes that extend from top to bottom, four mounting holes set up along the even interval of the circumference of mounting panel 42, and first drive assembly is including wearing to locate four guide bars 45 of four mounting holes, the top and the lift platform 41 fixed connection of guide bar 45 to guide driving plate lift platform 41 to rise or descend, make lift platform 41 rise or descend more smoothly. The middle part of mounting panel 42 is equipped with and runs through its upper and lower terminal surface and along a through-hole that vertical direction extended, first drive assembly still includes air supply spare 48, lift cylinder 47 and can connect in lift cylinder 47's telescopic link 46 movably from top to bottom, the upper end of telescopic link 46 passes the through-hole and exposes out in the up end of mounting panel 42, when air supply spare 48 drive lift cylinder 47 makes telescopic link 46 rise, the top of telescopic link 46 supports and pushes away lift platform 41 and rise, when air supply spare 48 drive lift cylinder 47 makes telescopic link 46 descend, lift platform 41 descends along with telescopic link 46 gradually under self action of gravity. In this embodiment, the air supply 48 is a pneumatic triplet.

In order to make the operation of the lifting platform 41 more intelligent, the exhaust pipe conveying system of the present embodiment is further provided with a plurality of inductive switches. Specifically, the exhaust pipe conveying system further includes a first inductive switch 34, a second inductive switch 44 and a third inductive switch 25, the first inductive switch 34 is disposed in the second conveying channel 3 near the inlet 31, so as to control the lifting platform 41 to ascend after sensing that the tray 1 is transferred to the second conveying channel 3; the second inductive switch 44 is arranged between the lifting platform 41 and the mounting plate 42 to control the blocking plate 24 to move downwards to the release position after sensing that the lifting platform 41 is lifted to the lifting position; the third sensing switch 25 is disposed in the first conveying passage 2 near the discharging end 21 to control the blocking plate 24 to move upward to the blocking position after sensing that the tray 1 is transferred to the lifting platform 41. In the process of conveying the tray 1, when the lifting platform 41 descends to a descending position, and the tray 1 is automatically recovered along the second slide rail 33, after passing through the first inductive switch 34, the first inductive switch 34 induces that the tray 1 is transferred to the second conveying channel 3, and then the lifting platform 41 is controlled to ascend, when the lifting platform 41 ascends and passes through the second inductive switch 44, after the second inductive switch 44 induces that the lifting platform 41 ascends, the blocking plate 24 descends, so that the tray 1 carrying the exhaust pipe slides to the lifting platform 41 from the first slide rail 23, and at this time, the third inductive switch 25 located on the first slide rail 23 induces that one tray 1 passes through the second inductive switch 24, and then the blocking plate 24 ascends, so as to prevent the next tray 1 carrying the exhaust pipe from descending. So, through a plurality of inductive switch, control tray 1's transmission more orderly, intelligently.

The blocking plate 24 in this embodiment is also driven to ascend or descend by a pneumatic driving device.

Furthermore, the utility model provides an exhaust pipe transfer system still includes blast pipe assembly jig 5, locates one side that elevating gear 4 kept away from first transfer passage 2, and blast pipe assembly jig 5 still includes one can follow the hoisting frame 51 that sets up to the activity from top to bottom, and hoisting frame 51 has upwards lifts the blast pipe to the position of lifting of waiting to assemble car department to and descend to the initial position of receiving the blast pipe.

When conveying and assembly blast pipe, operating personnel feed position places the blast pipe on tray 1, and tray 1 delivers to the assembly position along first transfer passage 2 with the blast pipe support, and then operating personnel shelves the blast pipe on blast pipe assembly jig 5, and blast pipe assembly jig 5 upwards lifts the blast pipe and is used for the assembly to waiting to assemble car department, and simultaneously, elevating gear 4 transfers tray 1 to second transfer passage 3 to realize 1 passbacks of tray. The exhaust pipe conveying system of the present embodiment has upper, middle and lower three conveying levels, and the first conveying passage 2 at the middle level is used for conveying the exhaust pipe from the feeding position to the assembling position; the exhaust pipe assembling frame 5 lifts the exhaust pipe from the middle layer upwards to the automobile to be assembled for assembling; the lifting table device transfers the tray 1 to the second conveying channel 3 and returns to the feeding position through the second conveying channel 3. Through last, middle-level, lower three-layer conveyer, do not need a plurality of operating personnel to lift up the blast pipe in the car below, also need not dispose a special tray 1 of retrieving of operating personnel again to save a large amount of manpower and materials, improved the conveying of blast pipe, assembly efficiency and transmission quality.

Further, please refer to fig. 3, the exhaust pipe assembly rack 5 extends along the length direction of the first conveying channel 2 and has a front-back direction perpendicular to the length direction of the first conveying channel 2, a fixing seat is disposed on the upper end surface of the exhaust pipe assembly rack 5, a guide hole extending vertically is formed on the fixing seat, the lifting rack 51 includes a lifting rod 512 and a lifting platform 513, the lifting rod 512 is movably mounted in the guide hole, the lifting platform 513 is disposed at the upper end of the lifting rod 512, and a clamping groove is disposed on the upper end surface of the lifting platform 513 and used for clamping and limiting the exhaust pipe.

Furthermore, in order to support the bent parts of the exhaust pipe, such as the muffler, the lifting table 513 further includes a lifting rod 514 disposed on the left side of the lifting table 513, and the lifting rod 514 extends in the left-right direction and is used for lifting the cantilever end of the tail of the exhaust pipe. In order to protect the exhaust pipe from being damaged due to collision during assembly, a protective pad is arranged in the clamping groove to prevent the exhaust pipe from being damaged due to collision in the clamping groove.

In order to enable the lifting frame 51 to be lifted automatically, the exhaust pipe assembly frame 5 further comprises a second driving assembly, and the second driving assembly is in driving connection with the lifting rod 512 so as to drive the lifting rod 512 to move up and down. It should be noted that the second driving assembly may be provided with various manners, such as driving the lifting by using an air cylinder, and driving the lifting by using the cooperation of a gear and a rack of a motor. In this embodiment, the second driving assembly includes a pedal 52, a plurality of first fixed pulleys 53, and a first traction rope 54. Wherein, one end of the pedal 52 is hinged and installed at the front side of the lower part of the exhaust pipe assembly frame 5, and the other end has a vertical moving stroke; a plurality of first fixed pulleys 53 fixedly mounted to the exhaust pipe mount 5; one end of the first traction rope 54 is connected with the end part of the pedal 52 with the upward and downward moving stroke, the other end of the first traction rope passes through a plurality of first fixed pulleys 53 and then is connected to the lower end of the lifting rod 512, when the pedal 52 moves downward, the lifting rod 512 is lifted, and the lifting frame 51 is in the lifting position. When using hoisting frame 51, step on footboard 52, the haulage rope is pulled up downwards, changes the direction of haulage rope through a plurality of first fixed pulleys 53 for lifting rod 512 is pulled up by the haulage rope, thereby makes the blast pipe lifted up, and this drive rises simple structure, and convenient operation just compares in using electric elements to save a large amount of costs.

Further, in order to maintain the position of the lifting rod 512, the second driving assembly further comprises a bracket 55, wherein the bracket 55 is telescopically and movably arranged on the exhaust pipe mounting bracket 5 along the front-back direction and is positioned below the lifting rod 512; the bracket 55 has a support position moved forward to below the lifting lever 512 for the lifting lever 512 to rest, and a retracted position moved backward to retract the lifting lever 512. When lifting and pulling lifting rod 512 upward movement, support 55 forward motion to lifting rod 512 below for lifting rod 512 shelves on support 55, and hoisting frame 51 keeps in lifting the position, makes operating personnel realize single assembly blast pipe, can drive support 55 and dodge lifting rod 512 backward after the assembly is accomplished, makes lifting rod 512 fall naturally, and hoisting frame 51 gets back to initial position, should keep simple structure, convenient operation.

It should be noted that there are various ways for the support 55 to be telescopically arranged, for example, the support is driven to extend and retract by using an air cylinder, and the support can also be driven to extend and retract by using the cooperation of a gear and a rack of a motor. In this embodiment, the exhaust pipe mounting bracket 5 includes a cross beam 56 extending in the front-rear direction, and the cross beam 56 is disposed below the exhaust pipe mounting bracket 5 and below the lifting rod 512; the lower end of the bracket 55 is sleeved on the cross beam 56 and can move along the length direction of the cross beam 56; the rear end of the cross beam 56 is provided with a stopper 561, and a return spring is arranged between the stopper 561 and the bracket 55 to push the bracket 55 to move forward to the lower side of the lifting rod 512 so as to support the lifting rod 512. To move the carriage 55 rearward, the second drive assembly further includes a handle 57, a plurality of second crown pulleys, and a second pull cord 59. Wherein, one end of the handle 57 is hinged and installed on the front side of the upper part of the exhaust pipe assembly rack 5, and the other end has a forward and backward movable stroke; a plurality of second fixed pulleys 58 are fixedly mounted to the exhaust pipe mount 5; the second hauling rope 59 has one end connected with the end of the handle 57 with the forward and backward moving stroke, the other end connected to the bracket 55 through the plurality of first fixed pulleys 53, when the handle 57 moves forward, the bracket 55 leaves the supporting position, and the lifting rod 512 descends under the action of the self gravity, so that the lifting frame 51 descends to the initial position. In use, the handle 57 is rotated forward, the second hauling cable 59 is pulled forward, the direction of the second hauling cable 59 is changed through the plurality of second fixed pulleys 58, so that the bracket 55 is pulled backward by the second hauling cable 59 to be away from the supporting position, the lifting rod 512 is descended under the action of the self gravity, and the lifting frame 51 is descended to the initial position. The support 55 is simple in rear-pulling structure, convenient to operate and reliable in transmission performance, and saves a large amount of cost compared with the use of electric elements.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation done by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An exhaust pipe transfer system, comprising:

the tray is used for bearing the exhaust pipe to be assembled;

2. The exhaust pipe transfer system of claim 1, wherein the first transfer tunnel includes a first slide rail extending along a length of the first transfer tunnel, the first slide rail being angled downwardly from the feed end to the discharge end.

3. The exhaust pipe transfer system of claim 2, wherein said first transfer tunnel further comprises a blocking plate disposed at a discharge end of said first transfer tunnel, said blocking plate being movably disposed in an up-and-down direction, having a blocking position moving upward to a position higher than said first slide rail to block said tray, and a releasing position moving downward to a position lower than said first slide rail.

4. The exhaust pipe transfer system of claim 3, wherein said lift device further comprises a mounting plate disposed at a lowered position of said lift platform;

5. The exhaust pipe transfer system of claim 4, further comprising a first inductive switch, a second inductive switch, and a third inductive switch, wherein the first inductive switch is disposed in the second transfer passage near the entrance to control the lifting platform to ascend after sensing that the tray is transferred to the second transfer passage; the second inductive switch is arranged between the lifting platform and the mounting plate so as to control the blocking plate to move downwards to the release position after the lifting platform is induced to ascend to the lifting position; the third inductive switch is arranged in the first conveying channel and close to the discharging end, so that the blocking plate is controlled to move upwards to the blocking position after the tray is sensed to be transferred to the lifting platform.

6. The exhaust pipe transfer system of claim 1, wherein the second transfer passage includes a second slide rail extending along a length of the second transfer passage, the second slide rail being disposed in a downwardly inclined arrangement from the inlet to the outlet; and/or the presence of a gas in the gas,

7. The exhaust pipe transfer system of claim 1 further comprising an exhaust pipe mounting bracket disposed on a side of said elevator assembly remote from said first transfer passage;

8. The exhaust pipe transfer system of claim 7, wherein the exhaust pipe mounting bracket is extended along a length direction of the first transfer passage and has a front-rear direction perpendicular to the length direction of the first transfer passage;

9. The exhaust pipe transfer system of claim 8, wherein the exhaust pipe mount further comprises a second drive assembly, the second drive assembly comprising:

10. The exhaust pipe transfer system of claim 9, wherein said second drive assembly further comprises: