CN216508717U

CN216508717U - Assembly dolly hangs mechanism and assembly dolly

Info

Publication number: CN216508717U
Application number: CN202122113273.5U
Authority: CN
Inventors: 徐繁柱
Original assignee: Saiyasen Automotive Systems Shanghai Co ltd
Current assignee: Saiyasen Automotive Systems Shanghai Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-05-13
Anticipated expiration: 2031-09-02

Abstract

The application relates to an assembly trolley suspension mechanism, include: a first suspension mechanism; the first suspension mechanism comprises a first rotating wheel, a first rotating rod, a first seat barrel, a first ejection barrel, a first transverse roller, an ejection spring, an ejection rod and a vertical roller; the first seat barrel is vertically arranged at the top of the vehicle body frame, and two ends of the first seat barrel are communicated; the first ejection barrel is coaxially arranged in the first seat barrel, the interior of the first ejection barrel is hollow, and an ejection spring is arranged in the first ejection barrel; the ejection rod is coaxially arranged with the first ejection barrel, the bottom of the ejection rod is connected with the ejection spring, and the top of the ejection rod extends out of the first ejection barrel; the vertical roller is vertically arranged at the top of the ejector rod; the first transverse roller is transversely arranged on the outer side of the top of the first ejection barrel; the first rotating rod and the first ejection barrel are coaxially arranged; the first rotating wheel is arranged at the bottom of the first rotating rod. Through this suspension mechanism, can install the assembly dolly to the assembly line body fast, or pull down from the assembly line body, improve the assembly efficiency of work piece.

Description

Assembly dolly hangs mechanism and assembly dolly

Technical Field

The application relates to the technical field of automobile assembly, in particular to an assembly trolley suspension mechanism and an assembly trolley.

Background

At present, with the rapid development of the automobile industry, the automobile interior is more and more emphasized by people, and a high-quality automobile product not only needs to ensure the driving safety and power of a client, but also needs to make the client feel comfortable in vision in appearance and shape.

In the assembly line body of the existing automobile cockpit module, a lifting appliance with a fixed structure is adopted, and in the assembly process, the cockpit module can be turned over for many times due to the fact that the types of components needing to be assembled are various. When the traditional lifting appliance adopting the fixed structure is assembled, an assembler can only rotate the body to perform assembly operation, so that on one hand, the labor intensity of the assembler is improved; on the other hand, because the parts are not easy to position and install when being assembled, assembly errors are easy to generate, the working efficiency is reduced, and the rejection rate of the workpieces is also improved.

In addition, in the conventional turnover mode, the assembled workpieces are manually conveyed to a goods shelf and fixed, and a cockpit module is deformed or damaged by staff carelessly, so that a device capable of assisting assembly and turnover is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the application provides an assembly trolley suspension mechanism and an assembly trolley, and the assembly trolley can be rapidly installed on an assembly line body or detached from the assembly line body through the suspension mechanism, so that the assembly efficiency of workpieces is improved, and the turnover efficiency of the workpieces is also improved.

In view of this, according to an embodiment of the present application, there is provided an assembly vehicle suspension mechanism including: a first suspension mechanism; wherein

The first suspension mechanism comprises a first rotating wheel, a first rotating rod, a first seat barrel, a first ejection barrel, a first transverse roller, an ejection spring, an ejection rod and a vertical roller;

the first seat barrel is vertically arranged at the top of the vehicle body frame, and two ends of the first seat barrel are communicated;

the first ejection barrel is coaxially arranged in the first seat barrel, the interior of the first ejection barrel is hollow, and an ejection spring is arranged in the first ejection barrel;

the ejection rod is coaxially arranged with the first ejection barrel, the bottom of the ejection rod is connected with the ejection spring, and the top of the ejection rod extends out of the first ejection barrel;

the vertical roller is vertically arranged at the top of the ejector rod and used for being connected with a catenary chain, and the catenary chain is a catenary chain in an assembly line body where the assembly trolley is located and used for dragging the assembly trolley to move;

the first transverse roller is transversely arranged on the outer side of the top of the first ejection barrel and used for moving along a track of the assembly line body;

the first rotating rod and the first ejection barrel are coaxially arranged and penetrate through the top of the vehicle body frame to be connected with the bottom of the first ejection barrel;

the first rotating wheel is arranged at the bottom of the first rotating rod and used for rotating and supporting the first rotating rod, and the first horizontal roller and the vertical roller are jacked up by jacking the first jacking barrel.

Furthermore, the first suspension mechanism also comprises a first rotating rod stop block and a first rotating rod bolt, and a first rotating clamping groove is formed in the side wall of the first seat cylinder; wherein

The first rotating rod stop block is arranged at the bottom of the first ejection cylinder and connected with the top of the first rotating rod;

the first rotating rod bolt is connected in series with the first ejection barrel, the first rotating rod stop block and the first rotating rod, and the bolt head of the first rotating rod bolt extends out of the first rotating clamping groove;

the first rotating clamping groove is arranged along the axial direction of the first seat barrel, the top of the first rotating clamping groove is provided with a locking bayonet and a releasing bayonet, the locking bayonet is arranged above the releasing bayonet, the locking bayonet is used for jacking the vertical roller to be connected with the catenary, and the releasing bayonet is used for releasing the vertical roller to be separated from the catenary;

the bottom of the first rotating clamping groove is used for separating the first transverse roller from the rail of the assembly line body.

Furthermore, the first suspension mechanism also comprises an ejector rod stop block and an ejector rod bolt, and an ejector clamping groove is formed in the side wall of the first ejector sleeve; wherein

The ejector rod stop block is sleeved on one side close to the bottom of the ejector rod;

the ejection rod plug is connected with the ejection rod stop block and the ejection rod in series, and a plug head of the ejection rod plug extends out of the ejection clamping groove;

the ejection clamping groove is arranged on one side close to the top of the first ejection barrel.

Furthermore, the top of the ejector rod is provided with a U-shaped connecting block, and the U-shaped connecting block is used for connecting the vertical roller and enabling the axis direction of the vertical roller to be perpendicular to the vehicle body frame.

Further, the suspension mechanism further comprises: a catenary connection block;

the top of the catenary connecting block is fixedly connected with the catenary, and the bottom of the catenary connecting block is provided with a circular clamping groove used for clamping a vertical roller of the first suspension mechanism;

and the catenary connecting block is in an inverted cone shape, and slope angles from bottom to top are arranged on two sides of the circular clamping groove so as to facilitate pushing of the vertical roller.

Further, the suspension mechanism further comprises: a second suspension mechanism; wherein

The second suspension mechanism comprises a second rotating wheel, a second rotating rod, a second seat barrel, a second ejection barrel and a second transverse roller;

the second seat cylinder is arranged at the other end of the top of the vehicle body frame relative to the first seat cylinder, and two ends of the second seat cylinder are communicated;

the second ejection cylinder is arranged in the second seat cylinder and is coaxial with the second seat cylinder;

the second transverse roller is transversely arranged on the outer side of the top of the second ejection barrel and used for moving along a track of the assembly line body;

the second rotating rod and the second ejection barrel are coaxially arranged and penetrate through the top of the vehicle body frame to be connected with the bottom of the second ejection barrel;

the second rotating wheel is arranged at the bottom of the second rotating rod and used for rotating and supporting the second rotating rod, and the second transverse idler wheel is jacked into a track of the assembly line body through jacking the second ejection barrel.

Furthermore, the second suspension mechanism also comprises a second rotating rod stop block and a second rotating rod bolt, and a second rotating clamping groove is formed in the side wall of the second seat barrel; wherein

The second rotating rod stop block is arranged at the bottom of the second ejection barrel and is connected with the top of the second rotating rod;

the second rotating rod plug pin is connected in series with the second ejection barrel, the second rotating rod stop block and the second rotating rod, and the plug pin head of the second rotating rod plug pin extends out of the second rotating clamping groove;

the second rotary clamping groove is arranged along the axial direction of the second seat barrel, and the top of the second rotary clamping groove is provided with at least one bayonet used for connecting the second transverse roller with the rail of the assembly line body;

the bottom of the second rotating clamping groove is used for separating the second transverse idler wheel from the rail of the assembly line body.

Furthermore, the first rotary clamping groove is F-shaped, and the second rotary clamping groove is L-shaped and overturned horizontally.

Further, shaft sleeves are arranged between the first rotating rod and the first seat barrel, between the first seat barrel and the first ejection barrel, between the first ejection barrel and the ejection rod, between the second rotating rod and the second seat barrel, and between the second seat barrel and the second ejection barrel.

According to another aspect of the application, an assembly trolley is provided, which has a rectangular body frame and comprises a suspension mechanism as above, which is arranged on the top of the body frame and is used for dragging the body frame to move.

Compared with the prior art, the utility model has the following beneficial effects:

in the embodiment of the application, the assembly trolley is provided with a first suspension mechanism and a second suspension mechanism at the top of the body frame for drawing the body frame to move; a workpiece support is horizontally arranged in the vehicle body frame and used for placing a workpiece; a pair of hinge mechanisms are arranged at the left side and the right side of the vehicle body frame and are used for horizontally overturning the workpiece support; a compensation mechanism is arranged at the left side hinge mechanism and used for adjusting the turning angle of the workpiece support; a pair of locking mechanisms is arranged at two ends of the workpiece support and used for locking the workpiece; at least one pair of foreign matter prevention rollers is provided at the bottom of the body frame for movement of the body frame. The assembly trolley can improve the assembly efficiency of the workpieces and the turnover efficiency of the workpieces.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.

FIG. 1 is a schematic view of an assembly cart;

FIG. 2 is a schematic view of a first suspension mechanism;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of a second suspension mechanism;

FIG. 5 is a schematic cross-sectional view of FIG. 4;

FIG. 6 is a front schematic view of the workpiece holder;

FIG. 7 is a rear side schematic view of the workpiece holder;

FIG. 8 is an enlarged partial schematic view of FIG. 7;

FIG. 9 is a schematic view of the compensation mechanism in combination with a left side hinge mechanism;

FIG. 10 is a right side schematic view of FIG. 9;

FIG. 11 is a schematic view of a locking mechanism;

fig. 12 is a schematic view of the foreign matter prevention roller.

Description of reference numerals:

800-assembly trolley, 810-body frame, 820-first suspension mechanism, 830-second suspension mechanism, 840-workpiece support, 850-left side hinge mechanism, 860-right side hinge mechanism, 870-compensation mechanism, 880-locking mechanism, 890-foreign body prevention roller;

821-a first rotating wheel, 822-a first rotating rod, 823-a first seat barrel, 824-a first ejection barrel, 825-a first transverse roller, 826-an ejection rod, 827-a U-shaped connecting block, 828-a catenary connecting block, 8221-a first rotating rod stop block, 8222-a first rotating rod bolt, 8231-a first rotating clamping groove, 8241-an ejection clamping groove, 8261-an ejection rod stop block and 8262-an ejection rod bolt;

831-a second rotating wheel, 832-a second rotating rod, 833-a second seat cylinder, 834-a second ejection cylinder, 835-a second transverse roller, 8321-a second rotating rod stop, 8322-a second rotating rod bolt, 8331-a second rotating clamping groove;

841-left side bracket, 842-right side bracket, 843-bracket beam, 844-air conditioner bracket, 845-steering column bracket, 846-fetching part guide, 847-workpiece positioning part, 848-left side fixing plate, 849-right side fixing plate, 8441-L-shaped connecting rod, 8442-vertical fixing plate, 8443-steering column connecting part, 8444-U-shaped supporting plate, 8445-vertical fixing block, 8446-fixing bolt, 8447-bolt connecting seat, 8448-air conditioner vertical positioning block, 8449-air conditioner transverse positioning block, 8451-transverse connecting rod, 8452-vertical connecting rod and 8453-horn slot;

851-left fixed block, 852-left rotating shaft and 853-left rotating block;

871-compensation bolt seat, 872-compensation bolt, 873-compensation turntable, 874-turntable handle, 875-compensation limiting block, 8731-bolt fixing hole, 8732-limiting mounting groove and 8733-handle connecting hole;

881-locking fixed block, 882-locking hook claw, 883-locking spring, 884-locking guide, 885-locking pallet;

891-roller shade, 892-roller stop strip, 893-roller clip, 894-universal roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The use of the terms "center," "vertical," "horizontal," "upper," "lower," "left," "right," "front," "rear," "top," "bottom," and the like, as indicating an orientation or positional relationship based on that shown in the drawings is for convenience in describing and simplifying the description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the present invention.

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 12, in the embodiment of the present application, the assembly cart 800 includes: the vehicle body frame 810, the suspension mechanism (including the first suspension mechanism 820 and the second suspension mechanism 830), the work support 840, the pair of hinge mechanisms (including the left side hinge mechanism 850 and the right side hinge mechanism 860), the compensation mechanism 870, the pair of locking mechanisms 880, and the at least one pair of foreign-substance-prevention rollers 890. Wherein

The body frame 810 is rectangular and arranged perpendicular to the horizontal plane;

the suspension mechanism is arranged on the top of the vehicle body frame 810 and comprises a first suspension mechanism 820 and a second suspension mechanism 830, the first suspension mechanism 820 and the second suspension mechanism 830 are respectively arranged at two ends of the top of the vehicle body frame 810, the first suspension mechanism 820 can be used for dragging the vehicle body frame 810 to move, and the second suspension mechanism 830 can be used for following the first suspension mechanism 820 to move;

the workpiece support 840 is horizontally arranged in the vehicle body frame 810 and can be used for placing and supporting a workpiece;

a pair of hinge mechanisms respectively arranged at the left and right sides of the body frame 810 and connected to both ends of the work support 840, including a left hinge mechanism 850 and a right hinge mechanism 860, for horizontally turning the work support 840 inside the body frame 810;

the compensating mechanism 870 can be connected to a hinge mechanism disposed on the left side of the body frame 810 and can be used to adjust the tilt angle of the workpiece holder 840;

a pair of locking mechanisms 880, which are respectively disposed at both ends of the workpiece holder 840, may be used to lock the workpiece;

at least one pair of foreign matter prevention rollers 890 are respectively provided at both ends of the bottom of the body frame 810, and are used for the body frame 810 to roll under the traction of the suspension mechanism.

Specifically, in the embodiment of the present application, as shown in fig. 2 and 3, the first suspension mechanism 820 may include: a first rotation wheel 821, a first rotation rod 822, a first seat cylinder 823, a first ejection cylinder 824, a first lateral roller 825, an ejection spring (not shown), an ejection rod 826, and a vertical roller (not shown).

Wherein

The first seat cylinder 823 can be vertically arranged on the top of the vehicle body frame 810, and two ends of the first seat cylinder 823 penetrate through; the first ejecting cylinder 824 may be coaxially disposed in the first seat cylinder 823, and the first ejecting cylinder 824 has a hollow interior and an ejecting spring therein; the ejector rod 826 may be coaxially disposed with the first ejector barrel 824, and has a bottom connected to the ejector spring and a top extending from the first ejector barrel 824; the vertical roller can be vertically arranged at the top of the ejector rod 826 and can be used for connecting a catenary, and the catenary can be a catenary in an assembly line body where the assembly trolley 800 is located and can be used for dragging the assembly trolley 800 to move; a first transverse roller 825 may be disposed transversely outside the top of the first ejector barrel 824, and may be used to move along the rails of the assembly line; the first rotating rod 822 may be disposed coaxially with the first ejection cylinder 824 and may be connected to the bottom of the first ejection cylinder 824 through the top of the body frame 810; a first rotation wheel 821 may be provided at the bottom of the first rotation rod 822, and the first rotation wheel 821 may be used to rotate and lift the first rotation rod 822 and cause the first lateral roller 825 and the vertical roller to be lifted by lifting up the first liftout cylinder 824.

Further, the first suspension mechanism 820 may further include a first rotation rod stopper 8221, a first rotation rod bolt 8222, an ejection rod stopper 8261, and an ejection rod bolt 8262, wherein a first rotation locking groove 8231 is disposed on a side wall of the first seat cylinder 823, and an ejection locking groove 8241 is disposed on a side wall of the first ejection cylinder 824.

Wherein

The first rotation rod stopper 8221 may be disposed at the bottom of the first push-out cylinder 824 and connected to the top of the first rotation rod 822; a first rotating rod bolt 8222 can sequentially pass through the first ejection barrel 824, the first rotating rod stop block 8221 and the first rotating rod 822, and a bolt head of the first rotating rod bolt 8222 extends out of the first rotating clamping groove 8231; the first rotating clamping groove 8231 can be arranged along the axial direction of the first seat barrel 823, a locking bayonet and a releasing bayonet are arranged at the top of the first rotating clamping groove 8231, the locking bayonet is arranged above the releasing bayonet, the locking bayonet is used for jacking the vertical roller to be connected with the catenary, and the releasing bayonet is used for releasing the vertical roller to be separated from the catenary; the bottom of the first rotational slot 8231 can be used to disengage the first transverse roller 825 from the rail of the mounting wire body; ejector bar stop 8261 may be sleeved on a side near the bottom of ejector bar 826; an ejector rod pin 8262 can sequentially penetrate through the ejector rod stop 8261 and the ejector rod 826, and a pin head of the ejector rod pin 8262 extends out of the ejector rod clamping groove 8241; the liftout notch 8241 may be provided at a side near the top of the first liftout cylinder 824.

Further, the top of the ejector rod 826 may be provided with a U-shaped connection block 827, and the U-shaped connection block 827 may be used to connect the vertical roller such that the axial center direction of the vertical roller is perpendicular to the plane of the vehicle body frame 810.

Further, the first suspension mechanism 820 may further include: a catenary connection block 828; the top of the catenary connection block 828 can be fixedly connected with a catenary, and the bottom of the catenary connection block can be provided with a circular clamping groove which can be used for clamping a vertical roller of the first suspension mechanism 820; and, this catenary connection block 828 may be an inverted cone to be equipped with the slope angle from bottom to top at the both sides of circular draw-in groove, so that the pushing of vertical gyro wheel.

In the embodiment of the present application, as shown in fig. 4 and 5, the second suspension mechanism 830 may include: a second rotating wheel 831, a second rotating rod 832, a second seat cylinder 833, a second ejection cylinder 834 and a second transverse roller 835. Wherein

The second seat cylinder 833 can be disposed at the other end of the top of the vehicle body frame 810 with respect to the first seat cylinder 823, and both ends of the second seat cylinder 833 are penetrated; the second ejector cylinder 834 can be arranged in the second seated cylinder 833 and is coaxially arranged with the second seated cylinder 833; a second transverse roller 835 can be transversely arranged on the top outer side of the second ejector barrel 834 and can be used for moving along the rail of the assembly line body; the second rotating rod 832 and the second ejector barrel 834 can be coaxially arranged and can pass through the top of the vehicle body frame 810 to be connected with the bottom of the second ejector barrel 834; a second rotating wheel 831 may be provided at the bottom of the second rotating rod 832, and the second rotating wheel 831 may be used to rotate and lift the second rotating rod 832, and push the second traverse roller 835 into the rail of the assembly line body by pushing up the second ejector 834.

Further, the second suspension mechanism 830 may further include a second rotation rod stop 8321 and a second rotation rod latch 8322, and a second rotation locking groove 8331 is formed on a side wall of the second seat cylinder 833. Wherein

A second rotating rod stopper 8321 may be disposed at the bottom of the second ejector cartridge 834 and may be connected to the top of the second rotating rod 832; a second rotating rod latch 8322 may sequentially pass through the second ejector barrel 834, the second rotating rod stopper 8321 and the second rotating rod 832, and a latch head of the second rotating rod latch 8322 protrudes from the second rotating latch groove 8331; the second rotation locking groove 8331 may be disposed along the axial direction of the second seat cylinder 833, and at least one locking notch may be disposed at the top of the second rotation locking groove 8331, which may be used to connect the second traverse roller 835 with the rail of the assembly line body; the bottom of the second rotation locking groove 8331 can be used to disengage the second traverse roller 835 from the rail of the assembly line.

Further, as shown in fig. 2, the first rotation locking groove 8231 may have an F shape, and as shown in fig. 4, the second rotation locking groove 8331 may have a horizontally inverted L shape.

Further, as shown in fig. 3 and 5, sleeves may be disposed between the first rotating rod 822 and the first seat cylinder 823, between the first seat cylinder 823 and the first ejecting cylinder 824, between the first ejecting cylinder 824 and the ejecting rod 826, between the second rotating rod 832 and the second seat cylinder 833, and between the second seat cylinder 833 and the second ejecting cylinder 834, so as to facilitate connection.

In the embodiment of the present application, as shown in fig. 6 to 8, the workpiece holder 840 may include: left bracket 841, right bracket 842, bracket cross member 843, air conditioner bracket 844, steering column bracket 845, a pair of pick-off guides 846, and a plurality of work piece positioners 847. Wherein

The left bracket 841, the right bracket 842 and the bracket beam 843 are arranged on the same plane, the bracket beam 843 can be arranged at the rear side of the vehicle body frame 810 in parallel, the left bracket 841 and the right bracket 842 can be arranged at two ends of the bracket beam 843 perpendicularly and extend to the front side of the vehicle body frame 810, and the side edges of the left bracket 841 and the right bracket 842 are connected with the vehicle body frame 810;

an air-conditioning bracket 844 is vertically connected with the bracket cross member 843 and is arranged toward the bottom of the vehicle body frame 810, and the air-conditioning bracket 844 can be used for supporting air-conditioning of a workpiece;

steering column brackets 845 may be disposed side by side on the left and/or right side of the air conditioner bracket 844, and the steering column brackets 845 may be used to position the steering columns of the workpiece;

a pair of take-off guides 846 may be respectively provided at the extended ends of the left and

right brackets

841 and 842 in the same direction as the extending direction of the left and

right brackets

841 and 842;

the plurality of workpiece positioning elements 847 may be respectively disposed on the left bracket 841, the right bracket 842, and the bracket cross member 843, and may be respectively used to position the workpiece.

Further, as shown in fig. 6 and 7, the left-side bracket 841 and the right-side bracket 842 may have a T-shape, and a lateral portion of the T-shape has one end connected perpendicularly to the bracket cross-member 843 and the other end extending to the front side of the body frame 810, and a vertical portion of the T-shape is connected to a pair of hinge mechanisms.

The pair of hinge mechanisms comprises a left hinge mechanism 850 and a right hinge mechanism 860, the left hinge mechanism 850 comprises a left fixed block 851, a left rotating shaft 852 and a left rotating block 853 which are sequentially connected, and the right hinge mechanism 860 comprises a right fixed block, a right rotating shaft and a right rotating block which are sequentially connected. The left fixing block 851 may be disposed at the left side of the body frame 810, and the right fixing block may be symmetrically disposed at the right side of the body frame 810 with respect to the left fixing block 851 such that the left rotation shaft 852 and the right rotation shaft are horizontally disposed opposite to each other and on the same axis.

Then, the T-shaped vertical portions of the left and

right brackets

841 and 842 are respectively attached to the side walls of the left and right rotary blocks 853 and 842 so that the center of gravity of the workpiece holder 840 is offset from the axis on which the left and right

rotary shafts

852 and 842 are located, and so that the center of gravity of the workpiece holder 840 is balanced onto that axis when a workpiece is placed on the workpiece holder 840.

Further, as shown in fig. 6 and 7, the air conditioner stand 844 may include: an L-shaped connecting rod 8441, a vertical fixing plate 8442, a steering column connector 8443 and a U-shaped supporting plate 8444.

The vertical portion of the L-shaped connecting rod 8441 may be vertically connected to the bracket beam 843, and the lateral portion of the L-shaped connecting rod 8441 may be disposed in a direction perpendicular to the bracket beam 843 along the left bracket 841 and the right bracket 842; the vertical fixing plate 8442 may be disposed at the top of the vertical portion of the L-shaped connecting rod 8441, and may be disposed between the L-shaped connecting rod 8441 and the bracket cross beam 843, which may be used to fix the L-shaped connecting rod 8441 to the bracket cross beam 843; the steering column connecting piece 8443 may be disposed at a rear side of the vertical portion of the L-shaped connecting rod 8441, and the steering column connecting piece 8443 may be provided with a first connecting slot and a second connecting slot, the first connecting slot may be used to dispose the steering column bracket 845 side by side at a left side of the L-shaped connecting rod 8441, and the second connecting slot may be used to dispose the steering column bracket 845 side by side at a right side of the L-shaped connecting rod 8441, that is, a workpiece corresponding to the left-rudder steering column and a workpiece corresponding to the right-rudder steering column, respectively; the U-shaped support plate 8444 may be disposed at the front end of the transverse portion of the L-shaped connecting rod 8441 and may be disposed in the same direction as the transverse portion of the L-shaped connecting rod 8441, and the U-shaped support plate 8444 may be used to support an air conditioner for a workpiece; the rear side of the vertical portion of the L-shaped connecting rod 8441 is the side facing the bracket cross member 843, and the front end of the horizontal portion of the L-shaped connecting rod 8441 is the end away from the bracket cross member 843.

Further, as shown in fig. 8, the air conditioner stand 844 may further include: a vertical fixing block 8445, a fixing bolt 8446 and a bolt connecting seat 8447.

The vertical fixing block 8445 can be arranged on the rear side of the top of the vertical part of the L-shaped connecting rod 8441, and a vertical connecting hole is formed in the vertical fixing block 8445; the bolt connecting seat 8447 can be arranged above the bracket cross beam 843 corresponding to the vertical connecting hole of the vertical fixing block 8445; the fixing bolt 8446 can vertically penetrate through the vertical connecting hole, and the bottom of the fixing bolt 8446 is fixedly connected with the bolt connecting seat 8447.

Further, as shown in fig. 6, the air conditioner stand 844 may further include: an air conditioner vertical positioning block 8448 and a pair of air conditioner transverse positioning blocks 8449 (one omitted from the drawing).

The air-conditioning vertical positioning block 8448 may be disposed at the top of the vertical portion of the L-shaped connecting rod 8441, the pair of air-conditioning horizontal positioning blocks 8449 may be disposed at both ends of the U-shaped supporting plate 8444, and the pair of air-conditioning horizontal positioning blocks 8449 are disposed opposite to each other, which is not shown in the drawings.

Further, as shown in fig. 6 and 7, the steering column holder 845 may include: a transverse connecting rod 8451, a vertical connecting rod 8452, a trumpet-shaped slot 8453.

One end of the transverse connecting rod 8451 may be connected to the first connecting slot or the second connecting slot of the steering column connector 8443, and the other end is connected to the vertical connecting rod 8452, and the transverse connecting rod 8451 may be arranged in parallel to the bracket cross beam 843; one end of the vertical connecting rod 8452 may be connected to a trumpet-shaped slot 8453, and the other end may be provided with a vertical connecting groove, which is provided along the vertical connecting rod 8452, for connecting the transverse connecting rod 8451 and adjusting the connecting position, as shown in fig. 7; the flared receptacle 8453 may be used to position a steering column of a workpiece.

Further, as shown in fig. 7, the plurality of workpiece positioning elements 847 may include: a plurality of beam positioning pieces, at least one left positioning piece and at least one right positioning piece;

the plurality of beam positioning members can be perpendicular to the bracket beam 843 and can extend to the front side of the body frame 810 through an L-shaped connector; the at least one left positioning member may be vertically upward disposed on the left bracket 841 and positioned at the front side of the body frame 810; the at least one right side positioning member may be vertically upward disposed on the right side support 842 and located at the front side of the body frame 810;

moreover, a plurality of beam positioning pieces are provided with positioning insertion holes along the direction vertical to the support beam 843; the plurality of beam positioning pieces, the at least one left side positioning piece and the at least one right side positioning piece can be used for positioning when a workpiece is placed, and the plurality of beam positioning pieces, the at least one left side positioning piece and the at least one right side positioning piece which are arranged on the front side of the vehicle body frame 810 can be used for balancing the gravity center position of the workpiece support 840 when the workpiece is placed on the workpiece support 840.

Further, as shown in fig. 6 and 7, the workpiece holder 840 may further include: a left fixation plate 848 and a right fixation plate 849.

The left fixing plate 848 may be vertically disposed at an extended end of the left bracket 841, and the right fixing plate 849 may be vertically disposed at an extended end of the right bracket 842; also, the at least one left positioning element may be disposed at a right edge of the left fixing plate 848 and the at least one right positioning element may be disposed at a left edge of the right fixing plate 849, such that the at least one left positioning element and the at least one right positioning element are symmetrically disposed with respect to each other.

The pair of pick guides 846 may then be disposed perpendicularly to the left and

right brackets

841 and 842 on the front side of the left and

right fixation plates

848 and 849.

Further, the pair of pick guides 846 may be nylon.

In the embodiment of the present application, as shown in fig. 6 to 10, the left side hinge mechanism 850 and the compensating mechanism 870 may constitute a flip device.

The left hinge mechanism 850 may include a left fixing block 851, a left rotating block 853, and a left rotating shaft 852, and the compensating mechanism 870 may include a compensating latch seat 871, a compensating latch 872, a compensating dial 873, a dial handle 874, and a pair of compensating limit blocks 875. Wherein

The left fixing block 851 may be fixedly disposed at the left side of the body frame 810, and one end of the left rotating shaft 852 may be bearing-coupled to the left fixing block 851, and the other end may be fixedly coupled to the left rotating block 853;

the compensation turntable 873 can be arranged between the left fixed block 851 and the left rotating block 853, and the compensation turntable 873 can be coaxially arranged with the left rotating shaft 852 and can be fixed to the left rotating block 853;

moreover, a plurality of bolt fixing holes 8731 and a plurality of limit mounting grooves 8732 can be uniformly arranged on the compensation turntable 873 around the center of the circle, the bolt fixing holes 8731 can be arranged along the edge of the compensation turntable 873, and the limit mounting grooves 8732 can be arranged on one side of the compensation turntable 873 facing the left side fixing block 851;

the compensation pin seat 871 can be arranged above the left side fixing block 851, and the compensation pin seat 871 can be provided with a compensation pin hole at a height corresponding to the pin fixing hole 8731;

the compensation bolt 872 can be horizontally connected with the compensation bolt hole and can be used for being inserted into one of the bolt fixing holes 8731 to fix the rotation angle of the compensation turntable 873;

the pair of compensation limiting blocks 875 can be respectively arranged in two limiting installation grooves 8732 to limit the rotation angle of the compensation turntable 873, wherein the limited rotation angle is an included angle formed by the pair of compensation limiting blocks;

a turntable handle 874 may be provided on the side of the compensation turntable 873 facing the left side turning block 853, and the turntable handle 874 protrudes toward the front side of the vehicle body frame 810, and the turntable handle 874 may be used to turn the compensation turntable 873 to flip the work piece holder 840.

Further, as shown in fig. 9, the compensation pin seat 871 may be L-shaped, the L-shaped bottom of the compensation pin seat 871 is connected to the left fixing block 851, the L-shaped vertical edge of the compensation pin seat 871 is disposed adjacent to the compensation turntable 873, and the compensation pin hole is disposed on the L-shaped vertical edge and corresponds to the height of the pin fixing hole 8731 on the compensation turntable 873.

Further, as shown in fig. 9 and 10, the compensating bolt 872 may include: bolt pole, bolt driving lever, bolt sleeve.

The pin sleeve can be vertically arranged on the compensation pin seat 871 corresponding to the compensation pin hole; the bolt rod can be coaxially arranged in the bolt sleeve, one end of the bolt rod extends out of the bolt sleeve, and the other end of the bolt rod penetrates through the compensation bolt hole; the latch driver rod may be disposed at an end of the latch rod extending out of the latch sleeve and may be used to drive the latch rod into the latch fixing hole 8731 in the compensating turntable 873.

Furthermore, one end of the bolt rod, which extends out of the bolt sleeve, can be provided with a diagonal plane for shifting the bolt rod along the diagonal plane.

Further, the compensation turntable 873 may further include a plurality of rows of handle attachment holes 8733, wherein the plurality of rows of handle attachment holes 8733 may be radially disposed toward the compensation turntable 873, which may be used to attach the turntable handle 874 and adjust the angle of attachment of the turntable handle 874 to the compensation turntable 873.

Further, the swing handle 874 may include a bent short rod end fixedly coupled to one of the row of handle coupling holes 8733 and a bent long rod end protruding toward the front side of the body frame 810.

Further, the turntable handle 874 may also include a handle grip that may be disposed at the protruding end of the bent long rod end and on the side opposite the compensation turntable 873.

Further, the compensating mechanism 870 may further include a plurality of pin bushings correspondingly disposed in the pin holes 8731 for slidably connecting with the compensating pin 872.

Further, the left rotation block 853 may be a square block, and the left rotation shaft 852 may be vertically connected to the center of the square block.

In the embodiment of the present application, as shown in fig. 11, the locking mechanism 880 includes: a locking fixing block 881, a locking claw 882, a locking spring 883, a locking guide 884, and a locking support plate 885. Wherein

The locking fixing blocks 881 may be disposed at both ends of the workpiece holder 840;

the locking hook 882 can be arranged above the locking fixing block 881 along the extending direction of the two ends of the workpiece support 840, the head of the locking hook 882 is bent like a barb, the locking hook 882 can hook the workpiece placed on the workpiece support 840 through the bent like a barb, and the head of the locking hook 882 is the end far away from the workpiece support 840;

a locking spring 883 may be disposed between the tail of the locking finger 882 and the locking anchor 881, and may be used to jack up the tail of the locking finger 882, i.e., the end of the locking finger 882 near the workpiece support 840, and press down the head of the locking finger 882;

a locking guide 884 may be provided on a front side of the locking fixing block 881 in a protruding direction of both ends of the workpiece holder 840, the locking guide 884 may be used for guiding the workpiece;

a locking pallet 885 may be disposed below the locking fixing block 881 in a protruding direction of both ends of the workpiece holder 840, and the locking pallet 885 may be used to hold a workpiece.

Further, as shown in fig. 11, the locking claw 882 may include: the hook comprises a hook body, a hook shifting block, a hook fixing block and a spring connecting block. Wherein

The hook body can be arranged in a straight line shape, the head part of the hook body can be bent downwards to form a barb shape, and the tail part of the hook body can deviate from the head part and tilt upwards; the hook claw shifting block can be arranged above the hook claw body and on one side close to the head of the hook claw body, and is used for shifting the locking hook claw 882; the claw fixing block can be arranged below the claw body and on one side close to the tail of the claw body, and the claw fixing block can be used for being connected with the locking fixing block 881 through a bolt hinge, so that the claw body can rotate around the bolt; a spring connecting block may be provided below the tail of the hook body for connecting the locking spring 883 to press down the head barb-like bend of the hook body by the locking spring 883.

Further, the locking finger 882 may further include an unlocking lever, which may be disposed perpendicularly to the extension direction of the finger body and may be disposed perpendicularly to the left or right side of the finger block to correspond to the left and

right brackets

841 and 842. The unlocking deflector rod can be used for poking the locking claw 882 to lift the head part of the claw body in a barb shape.

Further, the spring connecting block of the locking fixing block 881 corresponding to the tail of the hook body is provided with a spring fixing groove, which can be used to install the locking spring 883, and the hook fixing block of the locking fixing block 881 corresponding to the lower side of the hook body is further provided with a hook fixing groove, which can be used to install the hook fixing block and is connected with the hook fixing block through a bolt hinge, as shown in fig. 11.

Further, the spring connecting block may be a cylinder smaller than the inner diameter of the locking spring 883 to be embedded in the locking spring 883.

Further, a fixed end of the locking supporting plate 885 is fixedly connected to a lower portion of the locking fixing block 881, and an extended end of the locking supporting plate 885 extends to a front side of the locking fixing block 881. And a pallet runner is provided at the extended end of the locking pallet 885, the pallet runner being disposed along the direction of extension of the extended end and having an incline slope at the bottom.

And the supporting plate sliding groove is arranged at the extending tail end of the extending end and at an opening at one side facing the supported workpiece, namely, the supporting plate sliding groove is not shielded.

Further, the left and right sides of the locking fixing block 881 are through and arranged in a shape of a Chinese character 'hui'.

In the embodiment of the present application, as shown in fig. 12, the foreign substance prevention roller 890 includes: a roller shade 891, a roller bar 892, a roller clip 893, and a universal roller 894. Wherein

The roller shade 891 may be fixedly connected to the bottom of the vehicle body frame 810 with its opening facing downward;

the roller barrier 892 may be disposed at an outer edge of the open end of the roller shade 891 and extend downward beyond the open end of the roller shade 891;

the roller clamp 893 can be arranged at the opening end of the roller shade 891 corresponding to the roller barrier 892, and the roller clamp 893 can be used for enclosing the roller barrier 892 and fixing the roller barrier 892;

the universal roller 894 may be disposed within the roller shade 891 and fixed with respect to the center of the top of the roller shade 891.

Further, the roller barrier 892 may have ring-shaped bristles for blocking and brushing off foreign objects.

Further, the foreign substance prevention roller 890 may further include a roller fixing plate, which may be disposed between the vehicle body frame 810 and the roller shade 891, for connecting the vehicle body frame 810 and the roller shade 891.

Further, the roller shade 891 is cylindrical.

In one embodiment of the present application, as shown in fig. 1, the assembly cart 800 has a body frame 810 having a rectangular shape, and includes a pair of foreign-substance-preventing rollers 890, which are respectively provided at both ends of the bottom of the body frame 810 for movement of the assembly cart 800.

Further, the assembly cart 800 may include two pairs of foreign object prevention rollers 890, one pair of which is disposed at the left bottom side of the body frame 810 and the other pair of which is disposed at the right bottom side of the body frame 810, and the two pairs of foreign object prevention rollers 890 are respectively disposed in front and rear symmetry with respect to the body frame 810.

Further, the assembly cart 800 may further include a pair of roller fixing plates that are respectively disposed at the left and right sides of the bottom of the body frame 810 such that the roller fixing plates are symmetrically disposed in front and rear of the body frame 810. Then, the two pairs of foreign matter prevention rollers 890 are symmetrically disposed at front and rear ends of the pair of roller fixing plates.

Further, the body frame 810 of the assembly cart 800 may include an n-shaped upper frame and a rectangular bottom frame which is horizontally disposed and connected to both ends of the bottom of the n-shaped upper frame to form the rectangular body frame 810 perpendicular to the horizontal plane.

And, the rectangular bottom frame is disposed between the two pairs of foreign matter-preventing rollers 890, and the rectangular bottom frame is disposed under the pair of roller fixing plates to fix the pair of roller fixing plates.

Further, the assembly cart 800 may further include a material tray, a record sheet, and a trash basket, which are respectively disposed on the body frame 810 of the assembly cart 800, and the details are not limited herein.

Compared with the prior art, the method can achieve at least the following beneficial effects:

in the embodiment of the application, the assembly trolley 800 is provided with a first suspension mechanism 820 and a second suspension mechanism 830 on the top of the body frame 810 for dragging the body frame 810 to move; a workpiece holder 840 is horizontally provided in the body frame 810 for placing a workpiece; a pair of hinge mechanisms (a left hinge mechanism 850 and a right hinge mechanism 860) for horizontally turning the work rest 840 are provided on the left and right sides of the body frame 810; a compensation mechanism 870 is arranged at the left side hinge mechanism 850 and used for adjusting the turning angle of the workpiece bracket 840; a pair of locking mechanisms 880 for locking the workpiece are provided at both ends of the workpiece holder 840; at least one pair of foreign matter prevention rollers 890 is provided at the bottom of the body frame 810 for movement of the body frame 810. Through the assembly trolley 800, the assembly efficiency of workpieces in an assembly line body can be improved, and the turnover efficiency of the workpieces in the process of matching with the mechanical arm can also be improved.

The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.

Claims

1. The utility model provides an assembly dolly suspension mechanism sets up in the top of the automobile body frame of assembly dolly which characterized in that includes: a first suspension mechanism; wherein

the first seat cylinder is vertically arranged at the top of the vehicle body frame, and two ends of the first seat cylinder are communicated;

the vertical roller is vertically arranged at the top of the ejector rod and used for being connected with a catenary chain, and the catenary chain is a catenary chain in an assembly line body where an assembly trolley is located and used for dragging the assembly trolley to move;

the first rotating wheel is arranged at the bottom of the first rotating rod and used for rotating and supporting the first rotating rod, and the first horizontal roller and the vertical roller are jacked up by jacking the first jacking cylinder.

2. The assembly vehicle suspension mechanism as in claim 1, wherein said first suspension mechanism further comprises a first pivot rod stop, a first pivot rod latch, and a first pivot slot in a sidewall of said first seat tube; wherein

The first rotating rod stop block is arranged at the bottom of the first ejection barrel and connected with the top of the first rotating rod;

the first rotating rod bolt is connected in series with the first ejection barrel, the first rotating rod stop block and the first rotating rod, and a bolt head of the first rotating rod bolt extends out of the first rotating clamping groove;

3. The assembly trolley suspension mechanism of claim 2 wherein the first suspension mechanism further comprises an ejector rod stop, an ejector rod latch, and an ejector catch is provided in a side wall of the first ejector barrel; wherein

the ejection rod plug is connected with the ejection rod stop block and the ejection rod in series, and a plug pin head of the ejection rod plug extends out of the ejection clamping groove;

4. The assembly trolley suspension mechanism according to claim 3, wherein the top of the ejector rod is provided with a U-shaped connecting block, and the U-shaped connecting block is used for connecting the vertical roller and enabling the axial center direction of the vertical roller to be perpendicular to the trolley body frame.

5. The assembly vehicle suspension mechanism of claim 4, further comprising: a catenary connection block;

just the catenary connection block is the back taper the both sides of circular draw-in groove are equipped with from down the slope angle up, so that push of vertical gyro wheel.

6. The assembly vehicle suspension mechanism of claim 5, further comprising: a second suspension mechanism; wherein

the second transverse roller is transversely arranged on the outer side of the top of the second ejection barrel and used for moving along the rail of the assembly line body;

the second rotating wheel is arranged at the bottom of the second rotating rod and used for rotating and supporting the second rotating rod, and the second transverse idler wheel is jacked into the track of the assembly line body by jacking the second ejection barrel.

7. The assembly trolley suspension mechanism according to claim 6, wherein the second suspension mechanism further comprises a second rotating rod stop and a second rotating rod latch, and a second rotating slot is formed in a side wall of the second seat cylinder; wherein

the second rotating rod plug is connected in series with the second ejection barrel, the second rotating rod stop block and the second rotating rod, and the plug head of the second rotating rod plug extends out of the second rotating clamping groove;

the bottom of the second rotating clamping groove is used for separating the second transverse roller from the rail of the assembly line body.

8. The assembly cart suspension mechanism of claim 7, wherein the first rotational catch is F-shaped and the second rotational catch is L-shaped with a horizontal flip.

9. The assembly trolley suspension mechanism according to claim 8, wherein bushings are provided between the first rotating rod and the first seat barrel, between the first seat barrel and the first ejector barrel, between the first ejector barrel and the ejector rod, between the second rotating rod and the second seat barrel, and between the second seat barrel and the second ejector barrel.

10. An assembly trolley having a body frame which is rectangular in shape, comprising a suspension mechanism as claimed in any one of claims 1 to 9 provided on top of the body frame for towing the body frame for movement.