CN111717837A - Two lifting mechanism and have its AGV dolly - Google Patents
Two lifting mechanism and have its AGV dolly Download PDFInfo
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- CN111717837A CN111717837A CN202010500929.6A CN202010500929A CN111717837A CN 111717837 A CN111717837 A CN 111717837A CN 202010500929 A CN202010500929 A CN 202010500929A CN 111717837 A CN111717837 A CN 111717837A
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- Prior art keywords
- lifting
- mounting groove
- sliding
- lifting platform
- platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention relates to the technical field of automobile engine production lines, in particular to a double-lifting mechanism and an AGV (automatic guided vehicle) with the same, wherein the double-lifting mechanism comprises a mounting base, and a first mounting groove is formed in the mounting base; the first lifting part is arranged in the first mounting groove, and a first lifting platform is arranged at the top end of the first lifting part; an engine clamp is arranged on one side of the first lifting platform, and a second mounting groove is formed on the opposite side of the first lifting platform; the second lifting part is arranged in the second mounting groove, and a gearbox clamp is arranged above the second lifting part; the second lifting part can drive the gearbox clamp to be in butt joint with the engine clamp and complete the combination of the engine and the gearbox. The second lifting component is arranged on the first lifting component, and the second lifting component and the first lifting component are located at different height positions, so that workpieces to be lifted at different height positions can be clamped respectively, and the clamping device is more flexible and wider in application range; the second lifting part is arranged on the first lifting part, and the whole lifting mechanism is more compact in structure.
Description
Technical Field
The invention belongs to the technical field of automobile engine production lines, and particularly relates to a double-lifting mechanism and an AGV (automatic guided vehicle) with the same.
Background
An AGV (automatic guided vehicle) trolley is one of main equipment for automation of factory and warehouse material handling, particularly in the field of automobile production, and a plurality of AGVs are introduced to be used in the production process, so that the AGV trolley has the characteristics of high efficiency, quickness and flexibility.
In recent years, the automobile industry in China is rapidly developed, autonomous branded automobiles are rapidly developed, along with the change from traditional energy automobiles to new energy automobiles, old automobile production lines are upgraded and modified, new automobile production lines are put into production and built, and in the automobile production line link, the combination of an automobile engine and a gearbox is an important process in the automobile production process. How to improve production efficiency, satisfy the production of the combination dress of different model engines and gearbox is the problem that needs to solve at present urgently. The AGV comprises an AGV trolley, an engine, a gearbox, an engine loading station, an engine unloading station, an.
The existing AGV lifting actions are mostly lifting mechanisms with a cylinder structure, and mostly adopt a single lifting mechanism, and although the structure is simple, the bearing capacity is limited; for example, chinese patent document CN107985946A discloses a dual-lift AGV, which includes a car body, wherein the car body is provided with a first lift assembly, a second lift assembly, a wheelbase adjusting mechanism and a walking assembly, the first lift assembly and the second lift assembly are arranged along the length direction of the car body at intervals and located at two opposite sides of the car body, the second lift assembly is fixed on the car body, and the first lift assembly is arranged on an adjusting platform of the wheelbase adjusting mechanism; although the lifting trolley with the structure can respectively lift different automobile parts through two different lifting assemblies to realize the assembly of the different automobile parts, the first lifting assembly and the second lifting assembly are arranged on two opposite sides of the length direction of the trolley body, and the second lifting assembly is arranged on the adjusting track and can move towards or away from the first lifting platform assembly, namely, the installation space of the guide sleeve and the guide track needs to be reserved on the trolley body, so that the trolley body needs to have enough length, the volume of the trolley body is large, the occupied area is large, and the manufacturing cost is high; in addition, the first lifting assembly and the second lifting assembly of the lifting trolley are arranged at the same height, when one lifting assembly needs to be lifted higher than the other lifting assembly, the conventional method can only achieve the required height by vertically arranging a plurality of layers of scissor lifting devices, and the structure necessarily increases the structural complexity and the manufacturing cost of the lifting assemblies.
Disclosure of Invention
The invention aims to solve the technical problem in the prior art, and provides a double-lifting mechanism suitable for an automobile engine production line and an AGV trolley with the double-lifting mechanism.
Therefore, the invention provides a double-lifting mechanism which is suitable for an automobile engine production line and comprises the following components:
the mounting base is internally provided with a first mounting groove;
the first lifting component can be driven by the first driving component to be vertically arranged in the first mounting groove in a lifting manner, and the top end of the first lifting component is provided with a first lifting platform; an engine clamp for positioning an engine is arranged on one side of the first lifting platform in the length direction, a second mounting groove which is recessed towards the first mounting groove is formed on the opposite side of the first lifting platform, and the depth of the recess of the second mounting groove is smaller than the height from the first mounting groove when the first lifting component is lifted to the highest point;
the second lifting component can be driven by a second driving component to be vertically arranged in the second mounting groove in a lifting manner, a second lifting platform is arranged above the second lifting component, and a gearbox clamp for positioning a gearbox is arranged on the second lifting platform;
the second lifting part can drive the gearbox clamp to lift to a proper height to be in butt joint with the engine clamp and complete combination of the engine and the gearbox.
Optionally, the double lifting mechanisms may be arranged such that the depth of the second mounting groove is smaller than the depth of the first mounting groove, the first lifting member is capable of descending and being received in the first mounting groove, and the second mounting groove is capable of being embedded in the first mounting groove when the first lifting member is received in the first mounting groove.
Optionally, in the double lifting mechanism, the first lifting member and the second lifting member are both scissor-type lifting members; the method comprises the following steps:
the middle part of the first lifting rod and the second lifting rod is hinged and connected and is arranged in an X-shaped structure;
one end of one of the first lifting rod and the second lifting rod is hinged and fixed at the bottom of the corresponding lifting platform, and the other end of the one of the first lifting rod and the second lifting rod is slidably arranged in the corresponding mounting groove along the length direction of the corresponding mounting groove;
one end of the other one of the first lifting rod and the second lifting rod is hinged and fixed on the side wall of the corresponding mounting groove, and the other end of the other one of the first lifting rod and the second lifting rod is slidably arranged on the bottom end face of the corresponding lifting platform along the length direction of the corresponding lifting platform.
Optionally, in the dual lifting mechanism, one end of each of the first lifting rod and the second lifting rod, which corresponds to the corresponding mounting groove or the sliding end of the lifting platform, is provided with a sliding member or a rolling member, and a sliding groove adapted to the sliding member or the rolling member is provided on the side wall of the corresponding mounting groove or the bottom end surface of the lifting platform.
Optionally, in the double-lifting mechanism, the sliding part is a sliding block; the rolling component is a roller or a rolling ball bearing.
Optionally, two lifting mechanism, second mounting groove is in for integrative stamping forming first lift slotted hole on the platform.
Optionally, the double-lifting mechanism is characterized in that the first lifting platform is avoided by the engine clamp, an avoiding opening is formed in the position of the engine clamp, and the second mounting groove is formed in the bottom end of the avoiding opening by fixing a U-shaped groove plate through a fastener.
Optionally, the dual lifting mechanism, the first driving part and the second driving part are both ball screw driving mechanisms, including:
the driving motors are fixedly arranged in the corresponding mounting grooves respectively;
the screw rods are connected with output shafts of the driving motors respectively and correspondingly and extend along the length direction of the mounting grooves respectively and correspondingly;
the screw rod nut seats are sleeved on the corresponding screw rods in a driving and sliding manner and are connected with one ends of the corresponding lifting rods, which are arranged in a sliding manner, of the corresponding mounting grooves.
Optionally, the dual lifting mechanism further includes:
a displacement mechanism disposed between the second lift platform and the gearbox clamp, the displacement mechanism comprising:
the first displacement mechanism comprises a first slide rail extending along the length direction of the second lifting platform and a first slide block arranged on the first slide rail in a sliding manner;
the sliding connecting plate is slidably arranged above the first displacement mechanism;
the second displacement mechanism is arranged above the sliding connecting plate and comprises a second sliding block and a second sliding rail which extends along the width direction of the second lifting platform and is in sliding fit with the second sliding block;
the first sliding rail is arranged on one of the second lifting platform and the sliding connecting plate, and the first sliding block is arranged on the other one of the second lifting platform and the sliding connecting plate; the second slide rail is arranged on one of the gearbox clamp and the sliding connection plate, and the second slide block is arranged on the other of the gearbox clamp and the sliding connection plate.
The AGV comprises a vehicle body, a travelling mechanism and a lifting mechanism, wherein the travelling mechanism is arranged at the bottom end of the vehicle body and is used for driving the vehicle body to travel, the lifting mechanism is arranged on the vehicle body, and the lifting mechanism is a double lifting mechanism.
The technical scheme of the invention has the following advantages:
1. the invention provides a double-lifting mechanism, which is suitable for an automobile engine production line and comprises: the mounting base is internally provided with a first mounting groove;
the first lifting component can be driven by the first driving component to be vertically arranged in the first mounting groove in a lifting manner, and the top end of the first lifting component is provided with a first lifting platform; an engine clamp for positioning an engine is arranged on one side of the first lifting platform in the length direction, a second mounting groove which is recessed towards the first mounting groove is formed on the opposite side of the first lifting platform, and the depth of the recess of the second mounting groove is smaller than the height from the first mounting groove when the first lifting component is lifted to the highest point;
the second lifting component can be driven by a second driving component to be vertically arranged in the second mounting groove in a lifting manner, a second lifting platform is arranged above the second lifting component, and a gearbox clamp for positioning a gearbox is arranged on the second lifting platform;
the second lifting part can drive the gearbox clamp to lift to a proper height to be in butt joint with the engine clamp and complete combination of the engine and the gearbox.
According to the double-lifting mechanism, the second lifting part is arranged on the first lifting platform of the first lifting part, so that the second lifting part and the first lifting part are positioned at different height positions, workpieces to be lifted at different height positions can be respectively lifted, the lifting mechanism is more flexible, and the application range is wider; in addition, the second lifting part is arranged on the first lifting part, so that the whole lifting mechanism is more compact in structure and smaller in size.
2. In the double lifting mechanism provided by the invention, the depth of the second mounting groove is smaller than that of the first mounting groove, the first lifting component can descend and be accommodated in the first mounting groove, and the second mounting groove can be embedded in the first mounting groove when the first lifting component is accommodated in the first mounting groove. The first lifting part is arranged to be capable of being accommodated in the first mounting groove, and the second mounting groove can be embedded in the first mounting groove, so that the whole lifting mechanism can be accommodated in the first mounting groove when the lifting work is not needed, the height of the whole lifting mechanism is reduced, and the size is smaller; the lifting part can be effectively protected from being exposed outside the first mounting groove and damaged when not in use.
3. According to the double-lifting mechanism provided by the invention, the second mounting groove is a slotted hole integrally formed on the first lifting platform in a punching manner. The second mounting groove is directly formed on the first lifting platform, the structure is simple, and the processing technology is simple and convenient.
4. According to the double-lifting mechanism provided by the invention, an avoidance opening is formed in the position, which avoids the engine clamp, on the first lifting platform, and the second mounting groove is formed by fixing a U-shaped groove plate at the bottom end of the avoidance opening through a fastener. Through seting up and dodging the mouth, dodging mouthful bottom and passing through fastener installation second mounting groove, can changing the second mounting groove, convenient to detach maintains.
5. The double lifting mechanism further comprises a displacement mechanism arranged between the second lifting platform and the gearbox clamp. Through the arrangement of the displacement mechanism, the gearbox clamp can be adjusted, so that the gearbox positioned on the gearbox clamp can be butted and jointed with the engine positioned on the engine clamp; meanwhile, the transverse and longitudinal sliding adjustment is carried out in a mode of matching a simple sliding rail with a sliding block, complex structures such as a guide sleeve, a telescopic sleeve belt and a guide rail in the prior art are not needed, and the structure is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of one of the dual lift mechanisms according to an embodiment of the present invention (including the vehicle body);
FIG. 2 is a schematic perspective view of another angle of the dual lift mechanism (including the vehicle body) in an embodiment of the present invention;
FIG. 3 is a schematic top view of a mounting base of the dual lift mechanism in an embodiment of the present invention (including the first drive component, not including the vehicle body);
FIG. 4 is a schematic structural diagram illustrating the assembly of the first lifting platform and the second lifting member and the second lifting platform according to an embodiment of the present invention;
FIG. 5 is a schematic view of the second mounting groove and the second driving member of the first lifting platform and the second lifting platform of FIG. 4 without matching;
FIG. 6 is a schematic structural diagram of an assembly of a transmission clamp and a displacement mechanism according to an embodiment of the present invention.
Description of reference numerals:
1-mounting a base;
2-a first mounting groove;
3-a first lifting member; 31-a first lifting bar; 32-a second lifter;
4-a first lifting platform;
5-a second mounting groove;
6-a second lifting member; 61-a first lifting rod; 62-a second lifting rod;
7-a second lifting platform;
8-a first drive component; 81-a first drive motor; 82-a first lead screw; 83-a first lead screw-nut seat;
9-a second drive member; 91-a second drive motor; 92-a second lead screw; 93-a second feed screw nut seat;
10-engine clamp;
11-a gearbox clamp;
12-a vehicle body;
13-driving a steering wheel;
14-an orientation wheel;
15-a drag chain;
16-rolling means;
17-a chute;
18-a fixed seat;
19-avoidance port;
20-a displacement mechanism; 21-a first displacement mechanism; 211-a first sliding track; 212-a first slider; 22-a second displacement mechanism; 221-a second slide rail; 222-a second slider; 23-slip joint plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The double lifting mechanism of the present embodiment, as shown in fig. 1 to 6, includes a mounting base 1 with a square structure, and a first mounting groove 2 recessed inwards is formed in the mounting base; the first lifting component 3 is of an X-type structure, a first lifting platform 4 in a square plate shape is arranged at the top end of the first lifting component 3, a first driving component 8 is further arranged in the first mounting groove 2, and the first lifting component 3 is driven by the first driving component 8 to perform vertical lifting movement; an engine clamp 10 is arranged on one side of the first lifting platform 4, namely the left side as shown in fig. 1, a square avoidance opening 19 is formed in the right side, and a second mounting groove 5 which is recessed towards the first mounting groove 2, namely is recessed downwards is formed in the bottom end of the avoidance opening 19; the second lifting component 6 with an X-type structure is vertically arranged in the second mounting groove 5 in a lifting manner, a square plate-shaped second lifting platform 7 is arranged at the top end of the second lifting component 6, a gearbox clamp 11 is arranged at the upper end of the second lifting platform 7, a second driving component 9 is arranged in the second mounting groove 5, and the second driving component 9 drives the second lifting component 6 to vertically lift; a displacement mechanism 20 is further arranged between the second lifting platform 7 and the gearbox clamp 11, and the gearbox clamp 11 is arranged on the second lifting platform 7 in a manner that the gearbox clamp can slide towards or away from the engine clamp 10 through the displacement mechanism 20; the second lifting part 6 and the second lifting platform 7 can drive the gearbox positioned on the gearbox clamp 11 to be lifted to a proper height and then are butted with the engine positioned on the engine clamp 10 to complete combination. It should be noted that the appropriate height is not limited in detail, and those skilled in the art can select the design according to the model of the engine and the gearbox.
According to the lifting mechanism with the structure, the second lifting part is arranged on the first lifting platform of the first lifting part, so that the second lifting part and the first lifting part are positioned at different height positions, workpieces to be lifted at different height positions can be clamped respectively, the lifting mechanism is more flexible, and the application range is wider; in addition, the second lifting part is arranged on the first lifting part, so that the whole lifting mechanism is more compact in structure and smaller in size.
For the first lifting part 3 and the second lifting part 6, both are X-type structure lifting parts, and both comprise a first lifting rod and a second lifting rod which are hinged with each other at the middle parts and are in X-shaped structures; one end of one of the first lifting rod and the second lifting rod is hinged and fixed at the bottom of the corresponding lifting platform, and the other end of the first lifting rod and the second lifting rod is slidably arranged in the corresponding mounting groove along the length direction of the corresponding mounting groove; one end of the other one of the first lifting rod and the second lifting rod is hinged and fixed on the side wall of the corresponding mounting groove, and the other end of the other one of the first lifting rod and the second lifting rod is slidably arranged on the bottom end face of the corresponding lifting platform along the length direction of the corresponding lifting platform. For convenience of description, one ends of the first and second lift pins are described as a first end, i.e., a left end as shown in fig. 1, and the other ends of the first and second lift pins are described as a second end, i.e., a right end as shown in fig. 1. Specifically, as shown in fig. 1 and 4, each of the first lifting member 3 and the second lifting member 6 includes two first lifting rods and two second lifting rods, wherein one of the first lifting rods and one of the second lifting rods are hinged to form an X-shaped structure, the other of the first lifting rods and the other of the second lifting rods are hinged to form an X-shaped structure, the two X-shaped structures are fixedly connected in tandem by a transverse connecting rod (not shown), and as an example, one of the X-shaped structures is used, and the structural arrangement of the other X-shaped structure is similar and will not be described in detail. As shown in fig. 1, a first end of a first lifting rod 31 of the first lifting member 3 is hinged and fixed to the left side of the first installation groove 2, a first end of a second lifting rod 32 is also hinged and fixed to the left side of the bottom end surface of the first lifting platform 4, a second end of the first lifting rod 31 is slidably disposed on the right side of the first installation groove 2, a second end of the second lifting rod 32 is slidably disposed on the right side of the bottom end surface of the first lifting platform 4, two front and rear inner wall surfaces on the right side of the first installation groove 2 and the right side of the bottom end surface of the first lifting platform 4 are respectively provided with a U-shaped fixing seat 18, each fixing seat 18 is internally provided with a sliding groove 17 extending along the length direction of the first installation groove 2 or the first lifting platform 4, i.e. extending from left to right as shown in fig. 1, and a sliding member (not shown) capable of slidably fitting along the sliding groove 17 or a rolling member 16 capable of rollingly fitting is respectively provided at the second end of the first lifting rod 31 and the second lifting rod 32. Similarly, as shown in fig. 4, the first end of the first lifting rod 61 of the second lifting component 6 is hinged and fixed on the left side of the second installation slot 5, the first end of the second lifting rod 62 is also hinged and fixed on the left side of the bottom end surface of the second lifting platform 7, the second end of the first lifting rod 61 is slidably arranged on the right side of the second installation slot 5, the second end of the second lifting rod 62 is slidably arranged on the right side of the bottom end surface of the second lifting platform 7, two U-shaped fixing seats 18 are respectively arranged on the front inner wall surface and the rear inner wall surface on the right side of the bottom end surface of the second mounting groove 5 and the second lifting platform 7, a sliding groove 17 which extends along the length direction of the second mounting groove 5 or the second lifting platform 7, namely from left to right as shown in fig. 1, is formed in each fixing seat 18, and a sliding part or a rolling part 16 which is in sliding fit with the sliding groove 17 is respectively arranged at the second end of the first lifting rod 61 and the second end of the second lifting rod 62. Alternatively, the sliding member may be a conventional slider; the rolling elements 16 may be conventional rollers or rolling ball bearings. It should be noted that the length direction of the first installation groove 2 is the same as the length direction of the second installation groove 5, and the length directions of the first lifting platform 4 and the second lifting platform 7 are the same as the length direction of the first installation groove 2 or the length direction of the second installation groove 5. Alternatively, the first lifting member 3 and the second lifting member 6 may be both conventional cartridge type lifting members.
The first driving part 8 and the second driving part 9 are both ball screw driving mechanisms, and both comprise a driving motor, a screw and a screw nut seat. Specifically, as shown in fig. 3, the first driving part 8 includes a first driving motor 81, a first lead screw 82 and a first lead screw nut holder 83, the first driving motor 81 is fixedly installed at the left side of the first installation groove 2 as shown in fig. 1 or the front side as shown in fig. 3, the first lead screw 82 is connected with an output shaft (not shown) of the first driving motor 81, and extends in the length direction of the first installation groove 2, that is, the left-right direction as shown in fig. 1 or the front-back direction as shown in fig. 3; the first lead screw nut seat 83 is sleeved on the first lead screw 82 in a threaded manner, the second end of the first lifting rod 31 is fixedly connected to the first lead screw nut seat 83, the first lead screw 82 is driven to rotate by the first driving motor 81 to drive the first lead screw nut seat 83 to reciprocate along the axial direction of the first lead screw 82, so that the first lifting rod 31 and the second lifting rod 32 of the first lifting part 3 are driven to rotate around a hinge point between the first lifting rod 31 and the second lifting rod 32, an included angle between the first lifting rod 31 and the second lifting rod 32 is changed, and the lifting height of the first lifting part 3 is further changed. Similarly, as shown in fig. 5, the second driving part 9 includes a second driving motor 91, a second lead screw 92 and a second lead screw nut seat 93, the second driving motor 91 is fixedly installed at the left side of the second installation groove 5 as shown in fig. 1 or the left side as shown in fig. 5, the second lead screw 92 is connected with an output shaft (not shown) of the second driving motor 91, and extends along the length direction of the second installation groove 5, that is, the left-right direction as shown in fig. 1 or the left-right direction as shown in fig. 5; the second lead screw nut seat 93 is sleeved on the second lead screw 92 in a threaded manner, the second end of the second lifting rod 62 is fixedly connected to the second lead screw nut seat 93, the second driving motor 91 drives the second lead screw 92 to rotate so as to drive the second lead screw nut seat 93 to reciprocate along the axial direction of the second lead screw 92, so that the first lifting rod 61 and the second lifting rod 62 of the second lifting part 6 are driven to rotate around a hinge point between the first lifting rod 61 and the second lifting rod 62, the included angle between the first lifting rod and the second lifting rod is changed, and the lifting height of the second lifting part 6 is further changed. It should be noted that, the second driving motor partially extends out of the second mounting groove, so that the space occupied by the second driving motor in the second mounting groove can be reduced, and further the size of the second mounting groove is reduced, so that the second lifting component is more compact in structure, and the whole lifting mechanism is more compact in structure.
As shown in fig. 6, the displacement mechanism 20 includes a first displacement mechanism 21 and a second displacement mechanism 22, and the first displacement mechanism 21 and the second displacement mechanism 22 are connected to each other by a square plate-shaped slide connecting plate 23. The first displacement mechanism 21 includes a first slide rail 211 and a first slider 212, and the second displacement mechanism 22 includes a second slide rail 221 and a second slider 222. Specifically, the first slide rails 211 include two first slide rails 211, the two first slide rails 211 extend along the length direction of the second lifting platform 7, that is, the left-right direction shown in fig. 6, and are arranged on the second lifting platform 7 in parallel at intervals in tandem, the first slide blocks 212 include four first slide blocks, and two first slide blocks 212 are arranged on each first slide rail 211 in a sliding manner at intervals in the left-right direction; the second slide rails 221 include two, the two second slide rails 221 extend along the width direction of the sliding connection plate 23 or the width direction of the second lifting platform 7, and are arranged on the sliding connection plate 23 in parallel at intervals from left to right, the second slide blocks 222 include four, and two second slide blocks 222 are arranged on each second slide rail 221 in a tandem sliding manner at intervals; that is, the first slide rail 211 and the second slide rail 221 are perpendicular to each other, so that the first displacement mechanism 21 and the second displacement mechanism 22 are arranged in a criss-cross manner, that is, the displacement in both the transverse direction and the longitudinal direction of the gearbox clamp 11 is realized, so that the gearbox clamp 11 is abutted to the engine on the engine clamp 10 through the adjustment action of the displacement mechanism 20, so as to be combined. Optionally, the first slide rail 211 may also be disposed at the bottom end surface of the sliding connection plate 23, and the first slide block 212 is fixedly disposed at the upper end surface of the second lifting platform 7, at this time, the first slide rail 211 slides along with the sliding connection plate 23, and the first slide block 212 is fixed; similarly, the second slide rail 221 may also be disposed on the upper end surface of the sliding connection plate 23, and the second slide block 222 is fixedly disposed on the bottom end surface of the transmission case clamp 11, at this time, the second slide rail 221 may slide along with the sliding connection plate 23, and the second slide block 222 is fixed.
Optionally, a drag chain 15 may be further disposed between the bottom end surface of the first lifting platform 4 and the bottom end surface of the first installation groove 2, correspondingly, a slot (not shown) extending along the length direction of the first installation groove 2 or the first lifting platform 4 may be further disposed on the bottom end surface of the first lifting platform 4 or the bottom end surface of the first installation groove 2, and the drag chain 15 may be snapped into the slot when the first lifting platform 4 descends and is accommodated in the first installation groove 2; when the first lifting part 3 is lifted, the drag chain 15 is separated from the clamping groove, so that the effective traction and protection effects can be achieved.
For the first installation groove 2 and the second installation groove 5, the length and the width of the second installation groove 5 are both smaller than those of the first installation groove 2, and the depth of the second installation groove 5 is smaller than the height from the bottom of the first installation groove 2 when the first lifting part 3 is lifted to the highest point; preferably, the depth of the second installation groove 5 is smaller than the depth of the first installation groove 2, so that the first lifting member 3 can descend and be received in the first installation groove 2 and when the first lifting member 3 is received in the first installation groove 2, the second installation groove 5 is embedded in the first installation groove 2, so that the overall structure of the lifting mechanism has a lower height and a smaller size.
For the second installation groove 5, a square avoidance opening 19 is formed on the first lifting platform 4, and a U-shaped complete groove plate is fixed at the bottom end of the avoidance opening 19 of the first lifting platform 4 through a fastening member such as a fastening bolt; alternatively, the trough plate may be formed by connecting a bottom plate at the bottom and side plates in a zigzag shape at the front and rear sides of the bottom plate as shown in fig. 1 by welding or fastening members. As an alternative embodiment, the second installation groove 5 may also be directly formed on the first lifting platform 4 in an integrated manner by stamping, and then both ends of the second installation groove 5 in the length direction are opened so as to install the second driving motor 91; for example, two cutting openings (not shown) extending along the width direction of the first lifting platform 4 may be formed in the length direction of the first lifting platform 4, respectively, the distance between the two cutting openings forms the length of the second mounting groove 5, and then the portion between the two cutting openings is recessed downward to form the second mounting groove 5 by using a stamping method. Simple structure need not occupy the space of mounting base 1, has shortened the length and the height of mounting base 1 greatly.
Example 2
The AGV cart of this embodiment includes a cart body 12, a traveling mechanism installed at the bottom end of the cart body 12 for driving the cart body 12 to travel, and the dual lifting mechanism of embodiment 1, where the traveling mechanism includes a driving steering wheel 13 at the bottom end of the cart body 12 and two coaxially connected directional wheels 14 at the front and rear sides of the bottom end of the mounting base 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a two lifting mechanism, is applicable to automobile engine production line which characterized in that includes:
the mounting base (1) is internally provided with a first mounting groove (2);
the first lifting component (3) can be driven by a first driving component (8) to be vertically arranged in the first mounting groove (2) in a lifting way, and the top end of the first lifting component is provided with a first lifting platform (4); an engine clamp (10) for positioning an engine is arranged on one side of the first lifting platform (4) in the length direction, a second mounting groove (5) which is recessed towards the first mounting groove (2) is formed on the opposite side of the first lifting platform, and the recessed depth of the second mounting groove (5) is smaller than the height of the first lifting platform (4) from the first mounting groove (2) when the first lifting part (3) is lifted to the highest point;
the second lifting part (6) can be driven by a second driving part (9) to be vertically arranged in the second mounting groove (5) in a lifting mode, a second lifting platform (7) is arranged above the second lifting part (6), and a gearbox clamp (11) used for positioning a gearbox is arranged on the second lifting platform (7);
the second lifting part (6) can drive the gearbox clamp (11) to lift to a proper height to be butted with the engine clamp (10) and complete the combination of the engine and the gearbox.
2. The double lifting mechanism according to claim 1, wherein the depth of the second mounting groove (5) is smaller than the depth of the first mounting groove (2), the first lifting member (3) is lowerable and received in the first mounting groove (2) and the second mounting groove (5) is capable of being fitted into the first mounting groove (2) when the first lifting member (3) is received in the first mounting groove (2).
3. The double lifting mechanism according to claim 2, characterized in that the first lifting member (3) and the second lifting member (6) are both scissor lifting members; the method comprises the following steps:
the middle part of the first lifting rod and the second lifting rod is hinged and connected and is arranged in an X-shaped structure;
one end of one of the first lifting rod and the second lifting rod is hinged and fixed at the bottom of the corresponding lifting platform, and the other end of the one of the first lifting rod and the second lifting rod is slidably arranged in the corresponding mounting groove along the length direction of the corresponding mounting groove;
one end of the other one of the first lifting rod and the second lifting rod is hinged and fixed on the side wall of the corresponding mounting groove, and the other end of the other one of the first lifting rod and the second lifting rod is slidably arranged on the bottom end face of the corresponding lifting platform along the length direction of the corresponding lifting platform.
4. The double lifting mechanism according to claim 3, wherein the first lifting rod and the second lifting rod are respectively provided with a sliding member or a rolling member (16) at one end slidably disposed in the corresponding mounting groove or the lifting platform, and a sliding groove (17) adapted to the sliding member or the rolling member (16) is provided at the side wall of the corresponding mounting groove or the bottom end surface of the lifting platform.
5. The dual lift mechanism of claim 4, wherein said sliding member is a slider; the rolling component (16) is a roller or a rolling ball bearing.
6. The double lifting mechanism according to any of the claims 1 to 5, characterized in that the second mounting groove (5) is a slotted hole integrally stamped and formed on the first lifting platform (4).
7. The dual lifting mechanism as claimed in any one of claims 1 to 5, wherein an avoiding opening (19) is formed at a position on the first lifting platform (4) that avoids the engine clamp (10), and the second mounting groove (5) is formed by fixing a U-shaped groove plate at the bottom end of the avoiding opening (19) through a fastener.
8. Double lifting mechanism according to claim 7, wherein the first drive part (8) and the second drive part (9) are both ball screw drives comprising:
the driving motors are fixedly arranged in the corresponding mounting grooves respectively;
the screw rods are connected with output shafts of the driving motors respectively and correspondingly and extend along the length direction of the mounting grooves respectively and correspondingly;
the screw rod nut seats are sleeved on the corresponding screw rods in a driving and sliding manner and are connected with one ends of the corresponding lifting rods, which are arranged in a sliding manner, of the corresponding mounting grooves.
9. The dual lift mechanism of claim 8, further comprising:
a displacement mechanism (20) disposed between the second lifting platform (7) and the gearbox clamp (11), the displacement mechanism (20) comprising:
the first displacement mechanism (21) comprises a first slide rail (211) extending along the length direction of the second lifting platform (7) and a first sliding block (212) arranged on the first slide rail (211) in a sliding manner;
a slide connection plate (23) slidably disposed above the first displacement mechanism (21);
the second displacement mechanism (22) is arranged above the sliding connecting plate (23) and comprises a second sliding block (222) and a second sliding rail (221) which extends along the width direction of the second lifting platform (7) and is in sliding fit with the second sliding block (222);
the first sliding rail (211) is arranged on one of the second lifting platform (7) and the sliding connection plate (23), and the first sliding block (212) is arranged on the other of the second lifting platform (7) and the sliding connection plate (23); the second sliding rail (221) is arranged on one of the gearbox clamp (11) and the sliding connecting plate (23), and the second sliding block (222) is arranged on the other of the gearbox clamp (11) and the sliding connecting plate (23).
10. An AGV cart comprising a cart body (12) and a traveling mechanism mounted at the bottom end of the cart body (12) for driving the cart body (12) to travel, characterized by further comprising a lifting mechanism disposed on the cart body (12), wherein the lifting mechanism is a dual lifting mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500929.6A CN111717837A (en) | 2020-06-04 | 2020-06-04 | Two lifting mechanism and have its AGV dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500929.6A CN111717837A (en) | 2020-06-04 | 2020-06-04 | Two lifting mechanism and have its AGV dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111717837A true CN111717837A (en) | 2020-09-29 |
Family
ID=72565963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010500929.6A Pending CN111717837A (en) | 2020-06-04 | 2020-06-04 | Two lifting mechanism and have its AGV dolly |
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| Country | Link |
|---|---|
| CN (1) | CN111717837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402443A (en) * | 2022-09-22 | 2022-11-29 | 北京电子科技职业学院 | Automobile assembly line part dispatching system and control method |
-
2020
- 2020-06-04 CN CN202010500929.6A patent/CN111717837A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402443A (en) * | 2022-09-22 | 2022-11-29 | 北京电子科技职业学院 | Automobile assembly line part dispatching system and control method |
| CN115402443B (en) * | 2022-09-22 | 2023-06-13 | 北京电子科技职业学院 | Automobile assembly line part dispatching system and control method |
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