CN116062597B - Rear support turnover mechanism of lifting appliance - Google Patents
Rear support turnover mechanism of lifting appliance Download PDFInfo
- Publication number
- CN116062597B CN116062597B CN202310182470.3A CN202310182470A CN116062597B CN 116062597 B CN116062597 B CN 116062597B CN 202310182470 A CN202310182470 A CN 202310182470A CN 116062597 B CN116062597 B CN 116062597B
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- Prior art keywords
- support
- lifting appliance
- lifting
- supporting
- assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/46—Position indicators for suspended loads or for crane elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a rear support turnover mechanism of a lifting appliance. The invention comprises a propulsion structure, wherein the propulsion structure comprises a first propulsion assembly and a second propulsion assembly, the first propulsion assembly comprises a first telescopic piece and a first supporting piece connected with a telescopic end of the first telescopic piece, and the second propulsion assembly comprises a second telescopic piece and a second supporting piece connected with a telescopic end of the second telescopic piece; the lifting structure is used for driving the first propulsion assembly and the second propulsion assembly to synchronously lift along the fixed frame; when the pushing structure ascends, the first telescopic piece and the second telescopic piece are in different telescopic states, the rear supporting block of the lifting appliance is pushed to overturn through one pushing assembly, and in the overturning process of the rear supporting block of the lifting appliance, the other pushing assembly is connected with the rear supporting block of the lifting appliance, so that the rear supporting block of the lifting appliance is overturned. The invention is suitable for the use of chassis with different supporting requirements, greatly improves the flexibility of the use of the lifting appliance and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of vehicle body carrier support switching, in particular to a rear support turnover mechanism of a lifting appliance.
Background
In the existing automobile assembly workshops, various automobile types are required to be produced, and the size and the length of an automobile body of each automobile type are different, so that the supporting positions of the automobile body on a lifting appliance are also different. Most of the existing lifting appliances are provided with fixed supports for supporting the vehicle body, but the lifting appliances cannot be suitable for supporting requirements of different vehicle bodies by utilizing the fixed supports, so that a plurality of lifting appliances with different specifications are required to be used, the cost is increased, and the production beat is influenced.
Disclosure of Invention
Therefore, the invention provides the lifting appliance rear support turnover mechanism, thereby realizing the switching use and stable switching of rear supports on the lifting appliance and being suitable for the use of chassis with different support requirements.
In order to solve the technical problems, the invention provides a rear lifting support turnover mechanism of a lifting appliance, which comprises a top frame connected with an aerial track in a sliding way and lifting appliance structures symmetrically arranged on two sides of the top frame, wherein each part of lifting appliance structure comprises a suspension arm downwards extending to the top frame and a support arm longitudinally extending along the lower end of the suspension arm, and the support arm is movably connected with a rear lifting appliance support block;
the back supporting block of hoist includes first backup pad and second backup pad, back supporting tilting mechanism of hoist includes fixed frame, be equipped with on the fixed frame in being located every part hoist structure one side:
the propulsion structure comprises a first propulsion component arranged below a first supporting plate and a second propulsion component arranged below a second supporting plate, wherein the first propulsion component comprises a first telescopic piece and a first supporting piece connected with a telescopic end of the first telescopic piece, the second propulsion component comprises a second telescopic piece and a second supporting piece connected with a telescopic end of the second telescopic piece, the first supporting plate can be in contact with the first supporting piece, and the second supporting plate can be in contact with the second supporting piece;
the lifting structure is used for driving the first propulsion assembly and the second propulsion assembly to synchronously lift along the fixed frame;
when the pushing structure ascends, the first telescopic piece and the second telescopic piece are in different telescopic states, one of the first pushing component and the second pushing component pushes the corresponding first supporting plate or the second supporting plate above the first telescopic piece and enables the rear supporting block of the lifting appliance to overturn, and in the overturning process of the rear supporting block of the lifting appliance, the other of the first pushing component and the second pushing component is connected with the corresponding first supporting plate or the corresponding second supporting plate above the first supporting plate or the second supporting plate, so that the rear supporting block of the lifting appliance can overturn.
In one embodiment of the invention, when the rear support block of the lifting appliance is in a first overturning state, the first support piece is in a retracted state, and the second support piece is in an extended state, the first support piece can be in contact with the first support plate and push the rear support block of the lifting appliance to overturn when the first support piece is extended, and the second support piece can be in contact with the second support plate and enable the rear support block of the lifting appliance to complete overturning when the second support piece is lowered in the overturning process; or when the rear support block of the lifting appliance is in a second overturning state, the first support piece is in a retracted state, and the second support piece is in an extended state, the second support piece can be in contact with the second support plate and push the rear support block of the lifting appliance to overturn when the second support piece is retracted, and the first support piece can be in contact with the first support plate in the overturning process and enable the rear support block of the lifting appliance to overturn when the first support piece descends; when the rear supporting block of the lifting appliance is in the first overturning state or the second overturning state, the first supporting plate and the second supporting plate are parallel to the horizontal plane, and the rear supporting block of the lifting appliance overturns 180 degrees from the first overturning state to the second overturning state or from the second overturning state to the first overturning state.
In one embodiment of the present invention, the first telescopic member and the second telescopic member each include a guide rod cylinder, and the first support member and the second support member each include a push rod connected to a driving end of the guide rod cylinder and a roller connected to the push rod.
In one embodiment of the invention, the lifting structure comprises a mounting bracket, a lifting cylinder connected to the mounting bracket, a lifting seat and a linear sliding rail, wherein the linear sliding rail and the mounting bracket are respectively connected with a fixed frame, the lifting seat is slidably connected to the linear sliding rail, the driving end of the lifting cylinder is connected with the lifting seat, and the first telescopic piece and the second telescopic piece are both connected to the lifting seat.
In one embodiment of the invention, the fixed frame is further provided with a lifting detection assembly, the lifting detection assembly comprises a vertical chute positioned at one side of the linear sliding rail and a proximity switch connected to the vertical chute, and the lifting seat is connected with a detection plate matched with the proximity switch.
In one embodiment of the invention, the support arm is connected with a rear support frame, one end of the rear support block of the lifting appliance is rotatably connected with the rear support frame, the rear support block of the lifting appliance is connected with a connecting seat, and the connecting seat is used for connecting a rear support pin for bearing a rear positioning hole of a vehicle body.
In one embodiment of the invention, the support arm is further connected with a front support frame, and the upper end of the front support frame is connected with a front support pin for bearing a front positioning hole of the vehicle body.
In one embodiment of the invention, the lower end of the front support frame is also connected with a positioning sleeve, the lower side of the positioning sleeve is provided with a positioning assembly, the positioning assembly comprises a base, the upper end of the base is connected with a mounting seat and suspenders positioned on two sides of the mounting seat, the mounting seat is connected with a positioning cylinder and a bearing seat, the bearing seat is provided with a linear bearing, the driving end of the positioning cylinder is connected with a guide seat, the guide seat is connected with a guide rod matched with the linear bearing, the upper end of the guide seat is connected with a positioning pin matched with the positioning sleeve, and the side end of the mounting seat is also connected with a travel switch for detecting the position of the guide rod.
In one embodiment of the present invention, the fixing frame is formed by welding square tubes, and an adjusting foot for adjusting the height of the whole body is connected to the fixing frame.
In one embodiment of the invention, a support member detection switch assembly is arranged on the lower side of the propulsion structure, and the support member detection switch assembly comprises a support member detection switch for detecting the position state of the first telescopic member and/or the second telescopic member.
In one embodiment of the invention, the fixed frame is further connected with a post-lifting-appliance supporting block detection switch assembly, the post-lifting-appliance supporting block detection switch assembly comprises a first switch support and a second switch support which are transversely arranged, two ends of the first switch support are connected with a first detection switch for detecting that the post-lifting-appliance supporting block is in a first overturning state, and two ends of the second switch support are connected with a second detection switch for detecting that the post-lifting-appliance supporting block is in a second overturning state.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the lifting appliance rear support overturning mechanism, the first pushing component, the second pushing component and the lifting structure are arranged, when the pushing structure ascends, the first telescopic piece and the second telescopic piece are in different telescopic states, one pushing component pushes the lifting appliance rear support block to overturn, and in the overturning process of the lifting appliance rear support block, the other pushing component is connected with the lifting appliance rear support block, so that the lifting appliance rear support block can overturn. The invention is suitable for the use of chassis with different supporting requirements, greatly improves the flexibility of the use of the lifting appliance and improves the production efficiency.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic diagram of the whole structure of the rear support turnover mechanism of the lifting appliance.
Fig. 2 is a schematic structural view of the rear support turnover mechanism of the hanger of the present invention with the positioning assembly omitted.
Fig. 3 is a schematic view of the rear support turnover mechanism of the present invention with the lifting appliance omitted.
Fig. 4 is a schematic view of the positioning assembly structure of the present invention.
Fig. 5 is a schematic view of the structure of the fixed frame of the present invention.
Fig. 6 is a schematic view of a first propulsion assembly of the present invention.
Fig. 7 is a schematic view of a second propulsion assembly of the present invention.
Fig. 8 is a schematic structural view of the lift detection assembly of the present invention.
Fig. 9 is a schematic view of the structure of the back support block of the spreader.
Description of the specification reference numerals: 100. a top frame; 200. a hanger structure; 210. a suspension arm; 220. a support arm; 230. a rear support; 240. a front support; 250. a front support pin; 260. a positioning sleeve; 300. a rear supporting block of the lifting appliance; 310. a connecting seat; 320a, a first support plate; 320b, a second support plate; 1. a fixed frame; 11. adjusting the ground feet; 2. a propulsion structure; 21. a first propulsion assembly; 211. a first telescopic member; 212. a first support; 213. a push rod; 214. a roller; 22. a second propulsion assembly; 221. a second telescopic member; 222. a second support; 3. a lifting structure; 31. a mounting bracket; 32. a lifting cylinder; 33. a lifting seat; 34. a linear slide rail; 4. a lift detection assembly; 41. a vertical chute; 42. a proximity switch; 43. a detection plate; 5. a positioning assembly; 51. a base; 52. a mounting base; 521. a travel switch; 53. a boom; 54. positioning a cylinder; 55. a bearing seat; 56. a linear bearing; 57. a guide seat; 58. a guide rod; 59. a positioning pin; 6. a support detecting switch assembly; 61. a support detection switch; 7. the rear supporting block of the lifting appliance detects the switch assembly; 71. a first switch bracket; 711. a first detection switch; 72. a second switch bracket; 721. and a second detection switch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 9, the rear spreader support turnover mechanism of the present invention comprises a top frame 100 slidably connected to an overhead rail, and spreader structures 200 symmetrically disposed at both sides of the top frame 100, each part of the spreader structures 200 comprises a boom 210 extending downward from the top frame 100 and a support arm 220 extending longitudinally along the lower end of the boom 210, and the support arm 220 is movably connected with a rear spreader support block 300;
the back support block 300 for the lifting appliance comprises a first support plate 320a and a second support plate 320b, the back support turnover mechanism for the lifting appliance comprises a fixed frame 1, and the fixed frame 1 is provided with a plurality of support plates on one side of each part of lifting appliance structure 200:
a propulsion structure 2 comprising a first propulsion assembly 21 disposed below a first support plate 320a and a second propulsion assembly 22 disposed below a second support plate 320b, the first propulsion assembly 21 comprising a first telescoping member 211 and a first support member 212 connected to the telescoping end of the first telescoping member 211, the second propulsion assembly 22 comprising a second telescoping member 221 and a second support member 222 connected to the telescoping end of the second telescoping member 221, the first support plate 320a being contactable with the first support member 212 and the second support plate 320b being contactable with the second support member 222;
a lifting structure 3 for driving the first propulsion assembly 21 and the second propulsion assembly 22 to synchronously lift along the fixed frame 1;
when the pushing structure 2 is lifted, the first telescopic member 211 and the second telescopic member 221 are in different telescopic states, one of the first pushing assembly 21 and the second pushing assembly 22 pushes the corresponding first support plate 320a or the second support plate 320b above the first telescopic member and the second telescopic member to turn over the rear lifting support block 300, and in the turning process of the rear lifting support block 300, the other of the first pushing assembly 21 and the second pushing assembly 22 is connected to the corresponding first support plate 320a or the second support plate 320b above the first pushing assembly 21 and the second pushing assembly 22, so that the rear lifting support block 300 is turned over.
Due to the fact that the weight of the rear supporting block 300 of the lifting appliance is large, through the arrangement, not only is the switching flexible, but also the impact between the rear supporting block 300 of the lifting appliance and the supporting arm 220 can be prevented.
Specifically, referring to fig. 2, when the post-spreader support block 300 is in the first flipped state and the first support 212 is in the retracted state and the second support 222 is in the extended state, the first support 212 can contact the first support plate 320a and push the post-spreader support block 300 to flip when it is extended, and the second support 222 can contact the second support plate 320b during flipping and complete flipping of the post-spreader support block 300 when the second support 222 is lowered; alternatively, when the rear spreader support block 300 is in the second flipped state and the first support 212 is in the retracted state and the second support 222 is in the extended state, the second support 222 can contact the second support plate 320b and push the rear spreader support block 300 to flip when it is retracted, and the first support 212 can contact the first support plate 320a during flipping and complete flipping of the rear spreader support block 300 when the first support 212 is lowered. When the rear spreader support block 300 is in the first or second overturned state, the first and second support plates 320a and 320b are parallel to the horizontal plane, and the rear spreader support block 300 overturns 180 ° from the first overturned state to the second overturned state or from the second overturned state to the first overturned state.
Specifically, referring to fig. 6 and 7, the first telescopic member 211 and the second telescopic member 221 each include a guide rod cylinder, and the first support member 212 and the second support member 222 each include a push rod 213 connected to the driving end of the guide rod cylinder and a roller 214 connected to the push rod 213. The roller 214 is adopted to ensure that the contact with the rear supporting block 300 of the lifting appliance is stable and the stress is uniform in the moving process.
Specifically, referring to fig. 3, the lifting structure 3 includes a mounting bracket 31, a lifting cylinder 32 connected to the mounting bracket 31, a lifting seat 33, and a linear sliding rail 34, the linear sliding rail 34 and the mounting bracket 31 are respectively connected to the fixed frame 1, the lifting seat 33 is slidably connected to the linear sliding rail 34, the driving end of the lifting cylinder 32 is connected to the lifting seat 33, and the first telescopic member 211 and the second telescopic member 221 are both connected to the lifting seat 33.
Specifically, referring to fig. 3 and 8, the fixed frame 1 is further provided with a lifting detection assembly 4, the lifting detection assembly 4 includes a vertical chute 41 located at one side of the linear sliding rail 34, and a proximity switch 42 connected to the vertical chute 41, and the lifting seat 33 is connected with a detection plate 43 matched with the proximity switch 42.
Specifically, referring to fig. 2 and 9, the support arm 220 is connected to a rear support frame 230, one end of the rear support block 300 of the sling is rotatably connected to the rear support frame 230, the rear support block 300 of the sling is connected to a connection seat 310, and the connection seat 310 is used for connecting a rear support pin for bearing a rear positioning hole of the vehicle body; the supporting arm 220 is further connected with a front supporting frame 240, the upper end of the front supporting frame 240 is connected with a front supporting pin 250 for bearing a front positioning hole of the vehicle body, and in this embodiment, the rear supporting block 300 of the lifting appliance is in a shape of a Y.
Specifically, referring to fig. 2 and 4, the lower end of the front support frame 240 is further connected with a positioning sleeve 260, a positioning assembly 5 is arranged at the lower side of the positioning sleeve 260, the positioning assembly 5 comprises a base 51, the upper end of the base 51 is connected with a mounting seat 52 and a suspension rod 53 positioned at two sides of the mounting seat 52, the mounting seat 52 is connected with a positioning cylinder 54 and a bearing seat 55, the bearing seat 55 is provided with a linear bearing 56, the driving end of the positioning cylinder 54 is connected with a guide seat 57, the guide seat 57 is connected with a guide rod 58 matched with the linear bearing 56, the upper end of the guide seat 57 is connected with a positioning pin 59 matched with the positioning sleeve 260, and the side end of the mounting seat 52 is further connected with a travel switch 521 for detecting the position of the guide rod 58. With the above arrangement, the positioning pins 59 can be inserted into the positioning sleeves 260 of the spreader to keep the spreader in a stable state, and the whole set of positioning assemblies 5 is mounted on the steel platform through the hanger rods 53.
Specifically, referring to fig. 5, the fixing frame 1 is formed by welding square tubes, and an adjusting foot 11 for adjusting the height of the whole body is connected thereto.
Specifically, referring to fig. 3, a support member detection switch assembly 6 is disposed on the lower side of the propulsion structure 2, and the support member detection switch assembly 6 includes a support member detection switch 61 for detecting the position state of the first telescopic member 211 and/or the second telescopic member 221; the fixed frame 1 is further connected with a lifting appliance rear supporting block detection switch assembly 7, the lifting appliance rear supporting block detection switch assembly 7 comprises a first switch support 71 and a second switch support 72 which are transversely arranged, two ends of the first switch support 71 are connected with a first detection switch 711 for detecting that the lifting appliance rear supporting block 300 is in a first overturning state, and two ends of the second switch support 72 are connected with a second detection switch 721 for detecting that the lifting appliance rear supporting block 300 is in a second overturning state.
The working flow of the invention is as follows: the lifting appliance reaches a switching station, the lifting appliance is firmly positioned through the positioning assembly 5, the lifting cylinder 32 of the lifting structure 3 lifts the first propelling component 21 and the second propelling component 22 to a high position at the same time, the lifting appliance rear supporting block detection switch assembly 7 judges the current overturning state of the lifting appliance rear supporting block 300, when the lifting appliance rear supporting block 300 is in a first overturning state, the first supporting piece 212 is in a retracted state, and the second supporting piece 222 is in an extended state, the first supporting piece 212 can be in contact with the lifting appliance rear supporting block 300 and push the lifting appliance rear supporting block 300 to overturn when the first supporting piece 212 extends, and the second supporting piece 222 can be in contact with the lifting appliance rear supporting block 300 in the overturning process and enable the lifting appliance rear supporting block 300 to complete overturning when the second supporting piece 222 descends; when the rear spreader support block 300 is in the second overturning state, the first support piece 212 is in the retracted state, and the second support piece 222 is in the extended state, the second support piece 222 can be in contact with the rear spreader support block 300 and push the rear spreader support block 300 to overturn when the second support piece 222 is retracted, and the first support piece 212 can be in contact with the rear spreader support block 300 during overturning and enable the rear spreader support block 300 to overturn when the first support piece 212 is lowered; after the overturning action is finished, the rear supporting block detection switch assembly 7 of the lifting appliance judges whether the rear supporting block 300 of the lifting appliance is at the correct position, so that the lifting appliance is released from the next station without any problem.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (10)
1. A rear lifting support turnover mechanism of a lifting appliance, wherein the lifting appliance comprises a top frame (100) which is connected with an aerial track in a sliding manner and lifting appliance structures (200) which are symmetrically arranged on two sides of the top frame (100), each part of lifting appliance structures (200) comprises a suspension arm (210) which downwards extends to the top frame (100) and a support arm (220) which longitudinally extends along the lower end of the suspension arm (210), and the support arm (220) is movably connected with a rear lifting appliance support block (300);
the lifting appliance rear supporting block (300) comprises a first supporting plate (320 a) and a second supporting plate (320 b), the lifting appliance rear supporting turnover mechanism comprises a fixed frame (1), and one side of each part of lifting appliance structure (200) is provided with the fixed frame (1):
-a propulsion structure (2) comprising a first propulsion assembly (21) arranged below a first support plate (320 a) and a second propulsion assembly (22) arranged below a second support plate (320 b), said first propulsion assembly (21) comprising a first telescopic member (211) and a first support member (212) connected to a telescopic end of the first telescopic member (211), said second propulsion assembly (22) comprising a second telescopic member (221) and a second support member (222) connected to a telescopic end of the second telescopic member (221), said first support plate (320 a) being contactable with said first support member (212), said second support plate (320 b) being contactable with said second support member (222);
the lifting structure (3) is used for driving the first propulsion component (21) and the second propulsion component (22) to synchronously lift along the fixed frame (1);
when the pushing structure (2) is lifted, the first telescopic piece (211) and the second telescopic piece (221) are in different telescopic states, one of the first pushing assembly (21) and the second pushing assembly (22) pushes the corresponding first supporting plate (320 a) or second supporting plate (320 b) above the first pushing assembly and the second pushing assembly and enables the rear supporting block (300) of the lifting appliance to overturn, and in the overturning process of the rear supporting block (300) of the lifting appliance, the other of the first pushing assembly (21) and the second pushing assembly (22) is connected to the corresponding first supporting plate (320 a) or second supporting plate (320 b) above the first pushing assembly and the second pushing assembly, so that the rear supporting block (300) of the lifting appliance can overturn.
2. The post-spreader support turning mechanism according to claim 1, wherein when the post-spreader support block (300) is in a first turned state and the first support member (212) is in a retracted state and the second support member (222) is in an extended state, the first support member (212) can be brought into contact with the first support plate (320 a) and push the post-spreader support block (300) to turn when it is extended, and the second support member (222) can be brought into contact with the second support plate (320 b) during turning and complete turning of the post-spreader support block (300) when the second support member (222) is lowered; or alternatively, the process may be performed,
when the rear lifting appliance supporting block (300) is in a second overturning state, the first supporting piece (212) is in a retracted state, and the second supporting piece (222) is in an extended state, the second supporting piece (222) can be in contact with the second supporting plate (320 b) and push the rear lifting appliance supporting block (300) to overturn when the second supporting piece is retracted, and the first supporting piece (212) can be in contact with the first supporting plate (320 a) in the overturning process and enable the rear lifting appliance supporting block (300) to overturn when the first supporting piece (212) descends;
when the rear support block (300) of the lifting appliance is in the first overturning state or the second overturning state, the first support plate (320 a) and the second support plate (320 b) are parallel to the horizontal plane, and the rear support block (300) of the lifting appliance overturns from the first overturning state to the second overturning state or from the second overturning state to the first overturning state by 180 degrees.
3. The post-lifting support turnover mechanism according to claim 1, wherein the first telescopic member (211) and the second telescopic member (221) comprise guide rod cylinders, and the first support member (212) and the second support member (222) comprise push rods (213) connected to driving ends of the guide rod cylinders and rollers (214) connected to the push rods (213).
4. The lifting appliance rear support turnover mechanism according to claim 1, wherein the lifting structure (3) comprises a mounting bracket (31), a lifting cylinder (32) connected to the mounting bracket (31), a lifting seat (33) and a linear sliding rail (34), the linear sliding rail (34) and the mounting bracket (31) are respectively connected with the fixed frame (1), the lifting seat (33) is slidably connected to the linear sliding rail (34), the driving end of the lifting cylinder (32) is connected with the lifting seat (33), and the first telescopic piece (211) and the second telescopic piece (221) are both connected to the lifting seat (33).
5. The rear support turnover mechanism of a lifting appliance according to claim 4, characterized in that the fixed frame (1) is further provided with a lifting detection assembly (4), the lifting detection assembly (4) comprises a vertical chute (41) positioned at one side of the linear sliding rail (34) and a proximity switch (42) connected to the vertical chute (41), and the lifting seat (33) is connected with a detection plate (43) matched with the proximity switch (42).
6. The rear support turnover mechanism of a lifting appliance according to claim 1, wherein the supporting arm (220) is connected with a rear supporting frame (230), one end of the rear supporting block (300) of the lifting appliance is rotatably connected with the rear supporting frame (230), the rear supporting block (300) of the lifting appliance is connected with a connecting seat (310), and the connecting seat (310) is used for being connected with a rear supporting pin for bearing a rear positioning hole of a vehicle body.
7. The rear support turnover mechanism of a lifting appliance according to claim 1, wherein the supporting arm (220) is further connected with a front supporting frame (240), and a front supporting pin (250) for bearing a front positioning hole of a vehicle body is connected to the upper end of the front supporting frame (240).
8. The lifting appliance rear support turnover mechanism according to claim 7, wherein the lower end of the front supporting frame (240) is further connected with a positioning sleeve (260), a positioning assembly (5) is arranged on the lower side of the positioning sleeve (260), the positioning assembly (5) comprises a base (51), the upper end of the base (51) is connected with a mounting seat (52) and a hanging rod (53) arranged on two sides of the mounting seat (52), the mounting seat (52) is connected with a positioning cylinder (54) and a bearing seat (55), the bearing seat (55) is provided with a linear bearing (56), the driving end of the positioning cylinder (54) is connected with a guide seat (57), the guide seat (57) is connected with a guide rod (58) matched with the linear bearing (56), the upper end of the guide seat (57) is connected with a positioning pin (59) matched with the positioning sleeve (260), and the side end of the mounting seat (52) is further connected with a travel switch (521) for detecting the position of the guide rod (58).
9. A rear spreader support turnover mechanism according to claim 1, characterized in that the underside of the pushing structure (2) is provided with a support member detection switch assembly (6), the support member detection switch assembly (6) comprising a support member detection switch (61) for detecting the position status of the first telescopic member (211) and/or the second telescopic member (221).
10. The lifting appliance rear support turnover mechanism according to claim 2, wherein the fixed frame (1) is further connected with a lifting appliance rear support block detection switch assembly (7), the lifting appliance rear support block detection switch assembly (7) comprises a first switch support (71) and a second switch support (72) which are transversely arranged, two ends of the first switch support (71) are connected with a first detection switch (711) for detecting that the lifting appliance rear support block (300) is in a first turnover state, and two ends of the second switch support (72) are connected with a second detection switch (721) for detecting that the lifting appliance rear support block (300) is in a second turnover state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310182470.3A CN116062597B (en) | 2023-03-01 | 2023-03-01 | Rear support turnover mechanism of lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN202429861U (en) * | 2011-12-29 | 2012-09-12 | 长城汽车股份有限公司 | Overhead turning spreader for automobile frame |
| CN103171967A (en) * | 2013-03-27 | 2013-06-26 | 李东栓 | Flexible posture adjustment conveying system |
| CN109336022A (en) * | 2018-08-31 | 2019-02-15 | 湖北迪迈威智能装备有限公司 | A kind of suspender supporter switching device |
| CN209275986U (en) * | 2018-11-02 | 2019-08-20 | 广西汽车集团有限公司 | A kind of offline suspender of sheet metal part |
| CN211712418U (en) * | 2019-11-11 | 2020-10-20 | 天奇自动化工程股份有限公司 | But strutting arrangement behind automatically regulated's hoist |
| CN113862756A (en) * | 2021-09-26 | 2021-12-31 | 奇瑞汽车股份有限公司 | Automobile coating lifting appliance system and control method |
| CN218290089U (en) * | 2022-07-20 | 2023-01-13 | 天津新玛特科技发展有限公司 | Novel lifting appliance with workpiece overturning function |
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| CN202429861U (en) * | 2011-12-29 | 2012-09-12 | 长城汽车股份有限公司 | Overhead turning spreader for automobile frame |
| CN103171967A (en) * | 2013-03-27 | 2013-06-26 | 李东栓 | Flexible posture adjustment conveying system |
| CN109336022A (en) * | 2018-08-31 | 2019-02-15 | 湖北迪迈威智能装备有限公司 | A kind of suspender supporter switching device |
| CN209275986U (en) * | 2018-11-02 | 2019-08-20 | 广西汽车集团有限公司 | A kind of offline suspender of sheet metal part |
| CN211712418U (en) * | 2019-11-11 | 2020-10-20 | 天奇自动化工程股份有限公司 | But strutting arrangement behind automatically regulated's hoist |
| CN113862756A (en) * | 2021-09-26 | 2021-12-31 | 奇瑞汽车股份有限公司 | Automobile coating lifting appliance system and control method |
| CN218290089U (en) * | 2022-07-20 | 2023-01-13 | 天津新玛特科技发展有限公司 | Novel lifting appliance with workpiece overturning function |
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| CN116062597A (en) | 2023-05-05 |
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