CN115973312B - Crane clamping mechanism and vehicle assembly line - Google Patents

Abstract

The invention discloses a suspension arm clamping mechanism and a vehicle assembly production line, wherein the suspension arm clamping mechanism comprises a frame, a lifting assembly and a clamping assembly, the lifting assembly comprises a lifting driving piece and a lifting frame, the lifting driving piece is arranged on the frame and connected with the lifting frame, the lifting driving piece is used for driving the lifting frame to lift relative to the frame, the clamping assembly comprises a movable driving piece, a mounting seat and a movable seat, the mounting seat is arranged on the lifting frame, a first clamping plate is arranged on the mounting seat, the movable driving piece is arranged on the mounting seat and connected with the movable seat, a second clamping plate in sliding contact with the movable seat is arranged on the movable seat, the movable driving piece is used for driving the movable seat to move relative to the mounting seat so that the movable seat drives the second clamping plate to be close to or far away from the first clamping plate, the suspension arm clamping mechanism clamps a suspension arm to fix a suspension frame hoisted on the suspension arm, shaking and shifting of the suspension arm are effectively prevented, the alignment installation of the suspension frame and other parts is convenient, the alignment accuracy is high, and the vehicle assembly quality is improved.

Description

Suspension arm clamping mechanism and vehicle assembly production line

Technical Field

The invention relates to the technical field of clamping mechanisms, in particular to a suspension arm clamping mechanism and a vehicle assembly production line.

Background

In a vehicle manufacturing assembly production line, a lifting appliance is generally adopted to lift a vehicle frame to an assembly station for vehicle assembly operation, and because the vehicle assembly precision requirement is high, manual auxiliary alignment of the vehicle frame and other parts are needed in a traditional assembly mode, along with the gradual development of the production line to an unmanned and automatic direction, the number of automatic assembly equipment on the production line is gradually increased, operators are easy to collide with the equipment in the production line, safety risks exist in manual auxiliary alignment, personal safety of the operators cannot be ensured, and the lifting appliance is easy to shake and deviate when lifting the vehicle frame, so that the alignment precision of the vehicle frame is low, the assembly difficulty is high, and the vehicle production quality is further influenced.

Disclosure of Invention

The invention mainly aims to provide a suspension arm clamping mechanism and a vehicle assembly production line, and aims to solve the problem that a frame is easy to shake and deviate during vehicle assembly.

To achieve the above object, the present invention proposes a boom clamping mechanism comprising:

A frame;

The lifting assembly comprises a lifting driving piece and a lifting frame, wherein the lifting driving piece is arranged on the frame and connected with the lifting frame, and the lifting driving piece is used for driving the lifting frame to lift relative to the frame;

The clamping assembly comprises a movable driving piece, a mounting seat and a movable seat, wherein the mounting seat is mounted on the lifting frame, a first clamping plate is arranged on the mounting seat, the movable driving piece is mounted on the mounting seat and connected with the movable seat, a second clamping plate matched with the movable seat in a sliding contact manner is arranged on the movable seat, and the movable driving piece is used for driving the movable seat to move relative to the mounting seat so that the movable seat drives the second clamping plate to be close to or far away from the first clamping plate.

Optionally, the boom clamping mechanism further comprises a guide assembly, the guide assembly comprises a support frame, a guide plate and a guide cam, the support frame is installed on the installation seat, the support frame is located on one side of the movable seat, which faces the movable driving piece, the guide plate is connected to the support frame, a guide groove is formed in the guide plate, the guide cam is connected with the second clamping plate and extends into the guide groove, and the guide cam is in rolling contact with the guide groove.

Optionally, the guide way is formed with spacing passageway, slope passageway and the extension passageway that communicates in proper order, spacing passageway with extend the passageway all along the horizontal direction and extend the passageway and be close to the support frame setting, the slope passageway certainly extend the passageway along keeping away from the direction of support frame is from the slope setting down.

Optionally, a first sliding rail extending vertically is arranged on the moving seat towards one side of the second clamping plate, and a first sliding block matched with the first sliding rail in a sliding contact manner is arranged on the second clamping plate.

Optionally, the mount pad includes backup pad, first mounting panel and second mounting panel, first mounting panel with the second mounting panel connect respectively in the upper and lower both ends of backup pad, first splint articulated in first mounting panel is kept away from the one end of backup pad, remove the driving piece install in the backup pad is towards one side of removing the seat, the second mounting panel install in on the crane, just remove the seat slidable install in on the second mounting panel.

Optionally, a second sliding rail extending horizontally is arranged on the first mounting plate, and a second sliding block matched with the second sliding rail in a sliding contact manner is arranged on the lower side of the movable seat.

Optionally, the clamping assembly further comprises a pushing driving piece and an adapter plate, the pushing driving piece is mounted on the lifting frame and connected with one end of the adapter plate, the other end of the adapter plate is connected with the second mounting plate, the pushing driving piece is used for driving the adapter plate to drive the second mounting plate to move relative to the lifting frame, a third sliding rail which extends horizontally is arranged on the lifting frame, and a third sliding block which is in sliding contact fit with the third sliding rail is arranged on the lower side of the second mounting plate.

Optionally, the clamping assembly further comprises a retaining hook, the retaining hook comprises an extension section, a connecting section and a retaining section, the connecting section and the retaining section are both connected to the extension section, the connecting section is connected with the first mounting plate, the retaining section is located at one end, close to the second clamping plate, of the extension section and extends upwards from the extension section, and a retaining groove is formed between the retaining section and the extension section in a surrounding mode.

Optionally, the crane includes the lifter plate and connect in the carrier plate of lifter plate upper end, the mount pad install in on the carrier plate, just the downside of carrier plate with lift driving piece is connected, in the frame towards one side of lifter plate is provided with the fourth slide rail of vertical extension, be provided with on the lifter plate with fourth slide rail sliding contact complex fourth slider.

The invention also provides a vehicle assembly production line which comprises a lifting mechanism and the suspension arm clamping mechanism, wherein the suspension arm clamping mechanism is arranged on the ground of a workshop, the lifting mechanism comprises a lifting driving piece, a guide rail and a lifting appliance slidably arranged on the guide rail, the guide rail is arranged on a workshop ceiling, and the lifting driving piece is used for driving the lifting appliance to slide along the guide rail so as to enable the lifting appliance to be close to or far away from the suspension arm clamping mechanism.

According to the technical scheme, when the lifting appliance lifts the frame to the position above the lifting arm clamping mechanism, the lifting driving piece drives the lifting frame to lift relative to the frame, so that the lifting frame drives the mounting seat and the moving seat to move in the direction close to the lifting appliance, the lifting appliance is provided with the lifting arm for lifting the frame, the mounting seat and the moving seat respectively drive the first clamping plate and the second clamping plate to lift so that the lifting arm stretches into the clamping space, the moving driving piece drives the moving seat to move in the direction close to the mounting seat, so that the moving seat drives the second clamping plate to move in the direction close to the first clamping plate, the second clamping plate and the first clamping plate are matched to clamp the lifting arm in the clamping space, the lifting arm clamping mechanism clamps the lifting arm to fix the frame lifted on the lifting arm through clamping the lifting arm, shaking and shifting of the frame are effectively prevented, alignment installation of the frame and other parts is facilitated, alignment accuracy is high, vehicle assembly quality is improved, the lifting arm clamping mechanism always clamps the lifting arm stably in the vehicle assembly process, frame displacement is avoided, manual auxiliary frame alignment is not needed, and operation safety is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a vehicle assembly line according to an embodiment of the present invention;

FIG. 2 is a schematic view of a boom clamp mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a boom clamp mechanism according to an embodiment of the present invention from another perspective;

FIG. 4 is a schematic view of a boom clamp mechanism according to an embodiment of the present invention from yet another perspective;

FIG. 5 is a schematic view of a portion of a clamping assembly of a boom clamping mechanism according to an embodiment of the present invention.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Boom clamping mechanism	35	Second clamping plate
10	Rack	351	First slider
				11	Fourth slide rail	36	Push driving piece
20	Lifting assembly	37	Adapter plate
				21	Lifting driving piece	38	Retaining hook
22	Lifting frame	381	Extension section
				221	Third slide rail	382	Connecting section
222	Lifting plate	383	Stop segment
				223	Bearing plate	384	Retaining groove
224	Fourth slider	40	Guide assembly
				225	Reinforcing plate	41	Supporting frame
30	Clamping assembly	411	Mounting opening
				31	Movable driving piece	412	Buffer device
32	Mounting base	42	Guide plate
				321	Supporting plate	421	Guide groove
322	First mounting plate	422	Limiting channel
				323	Second mounting plate	423	Inclined channel
324	Second slide rail	424	Extension channel
				325	Third slide block	43	Guide cam
33	Movable seat	44	Connecting plate
				331	First slide rail	200	Vehicle assembly production line
332	Second slider	201	Guide rail
				34	First clamping plate	202	Suspension arm

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indications (such as up, down, left, right, front, and rear...the above) in the present embodiment are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The description of the orientations of "up", "down", "front", "rear", "left", "right", etc. in the present invention is based on the orientations shown in fig. 1 and 2, and is merely for explaining the relative positional relationship between the components in the orientations shown in fig. 1 and 2, and if the specific orientation is changed, the directional indication is changed accordingly.

The invention provides a suspension arm clamping mechanism.

As shown in fig. 1 to 5, the boom clamping mechanism 100 of the present embodiment includes a frame 10, a lifting assembly 20 and a clamping assembly 30, the lifting assembly 20 includes a lifting driving member 21 and a lifting frame 22, the lifting driving member 21 is mounted on the frame 10 and connected to the lifting frame 22, the lifting driving member 21 is used for driving the lifting frame 22 to lift relative to the frame 10, the clamping assembly 30 includes a moving driving member 31, a mounting seat 32 and a moving seat 33, the mounting seat 32 is mounted on the lifting frame 22, a first clamping plate 34 is provided on the mounting seat 32, the moving driving member 31 is mounted on the mounting seat 32 and connected to the moving seat 33, a second clamping plate 35 in sliding contact with the moving seat 33 is provided on the moving seat 33, and the moving driving member 31 is used for driving the moving seat 33 to move relative to the mounting seat 32, so that the moving seat 33 drives the second clamping plate 35 to approach or separate from the first clamping plate 34.

Specifically, the frame 10 is installed on the workshop floor and the frame 10 is provided with a lifting driving piece 21, the upper end of the lifting driving piece 21 is connected with the lifting frame 22, the lifting driving piece 21 can drive the lifting frame 22 to lift, the lifting frame 22 is provided with a mounting seat 32, the mounting seat 32 is provided with a movable driving piece 31, one end of the movable driving piece 31 far away from the mounting seat 32 is connected with a movable seat 33, the movable seat 33 can be driven to move in the horizontal direction by the movable driving piece 31, the upper end of the mounting seat 32 is provided with a first clamping plate 34, the upper end of the movable seat 33 is provided with a second clamping plate 35, the first clamping plate 34 is arranged opposite to the second clamping plate 35, and a clamping space is formed between the first clamping plate 34 and the second clamping plate 35.

When the lifting device lifts the frame to the position above the lifting arm clamping mechanism 100, the lifting driving piece 21 drives the lifting frame 22 to lift relative to the frame 10, so that the lifting frame 22 drives the mounting seat 32 and the moving seat 33 to move towards the direction close to the lifting device, the lifting device is provided with the lifting arm 202 for lifting the frame, the mounting seat 32 and the moving seat 33 respectively drive the first clamping plate 34 and the second clamping plate 35 to lift so that the lifting arm 202 stretches into the clamping space, the moving driving piece 31 drives the moving seat 33 to move towards the direction close to the mounting seat 32, so that the moving seat 33 drives the second clamping plate 35 to move towards the direction close to the first clamping plate 34, the second clamping plate 35 and the first clamping plate 34 are matched to clamp the lifting arm 202 in the clamping space, the lifting arm clamping mechanism 100 clamps the frame 202 to fix the frame lifted on the lifting arm 202, shaking and shifting of the frame are effectively prevented, the alignment installation of the frame and other parts is facilitated, the alignment accuracy is high, the vehicle assembly quality is improved, the lifting arm clamping mechanism 100 always clamps the frame 202 stably in the vehicle assembly process, the alignment is avoided, and the safety of the operation is improved.

It can be appreciated that after the assembly of the vehicle is completed, the moving driving member 31 drives the moving seat 33 to move in a direction away from the mounting seat 32, so that the moving seat 33 drives the second clamping plate 35 to move in a direction away from the first clamping plate 34, and further the second clamping plate 35 cooperates with the first clamping plate 34 to loosen the boom 202 located in the clamping space, and then the lifting driving member 21 drives the lifting frame 22 to drive the mounting seat 32 and the moving seat 33 to move in a direction away from the boom 202, so that the boom 202 is separated from the clamping space.

In this embodiment, the boom clamping mechanism 100 further includes a guide assembly 40, the guide assembly 40 includes a support frame 41, a guide plate 42 and a guide cam 43, the support frame 41 is mounted on the mounting seat 32, the support frame 41 is located on one side of the moving seat 33 facing the moving driving member 31, the guide plate 42 is connected to the support frame 41, a guide groove 421 is formed in the guide plate 42, the guide cam 43 is connected with the second clamping plate 35 and extends into the guide groove 421, and the guide cam 43 is in rolling contact with the guide groove 421.

As shown in fig. 2 to 5, the supporting frame 41 is located between the moving seat 33 and the mounting seat 32, and a mounting opening 411 through which the moving driving member 31 passes is formed on the supporting frame 41, so that both ends of the moving driving member 31 are respectively connected with the mounting seat 32 and the moving seat 33, a guide plate 42 is provided on the supporting frame 41, the guide plate 42 extends from the supporting frame 41 toward the moving seat 33, a guide groove 421 is provided on the guide plate 42, a connecting plate 44 is connected to one side of the lower end of the second clamping plate 35 facing the first clamping plate 34, the guide cam 43 is mounted on the connecting plate 44 and extends into the guide groove 421, and the guide cam 43 can reciprocate in the guide groove 421 along the extending direction of the guide groove 421, when the moving driving member 31 drives the moving seat 33 to move relative to the mounting seat 32, the connecting plate 44 and the guide cam 43 mounted on the connecting plate 44 are driven by the moving seat 33 through the second clamping plate 35, so that the guide cam 43 slides in the guide groove 421 along the guide groove 421, the guide groove 421 cooperates with the guide cam 43 to further play a role of guiding the second clamping plate 35, and smoothness and reliability of the movement of the second clamping plate 35 are improved.

Further, a limiting channel 422, an inclined channel 423 and an extending channel 424 are formed in the guiding groove 421, wherein the limiting channel 422 and the extending channel 424 extend along the horizontal direction, the extending channel 424 is disposed near the supporting frame 41, and the inclined channel 423 is disposed from the extending channel 424 to the bottom along the direction away from the supporting frame 41. As shown in fig. 5, the limiting channel 422 and the extending channel 424 are vertically spaced, two ends of the inclined channel 423 are respectively communicated with the limiting channel 422 and the extending channel 424, the supporting frame 41 is vertically arranged, the distance between the inclined channel 423 and the supporting frame 41 is gradually widened from top to bottom, and the second clamping plate 35 is in sliding contact with the movable seat 33 to enable the second clamping plate 35 to vertically slide relative to the movable seat 33.

When the boom 202 needs to be clamped, the movable driving piece 31 drives the movable seat 33 to move towards the direction close to the mounting seat 32, so that the movable seat 33 drives the guide cam 43 to slide into the inclined channel 423 from the limiting channel 422 through the second clamping plate 35, the guide cam 43 slides along the inclined channel 423 and drives the second clamping plate 35 to ascend along the movable seat 33, the second clamping plate 35 moves towards the direction close to the boom 202 and is accommodated in the clamping space, then the guide cam 43 slides into the extending channel 424 which extends horizontally along the inclined channel 423, the second clamping plate 35 moves horizontally towards the direction close to the first clamping plate 34 and is matched with the first clamping plate 34 to clamp the boom 202, the inclined channel 423 is matched with the guide cam 43 to drive the second clamping plate 35 to ascend relative to the movable seat 33, the second clamping plate 35 can avoid the boom 202, the boom 202 is prevented from colliding with the boom 202 and is accommodated in the clamping space conveniently, the limiting channel 422 plays a role in limiting the movement of the guide cam 43, the movement of the second clamping plate 35 is effectively controlled, the structure is flexible and reliable, and the guide cam 43 is matched with the first clamping plate 34 to clamp the boom 202, and the guide cam 35 is stable and the movable structure is installed in the prior art.

Further, a first sliding rail 331 extending vertically is disposed on the moving seat 33 at a side facing the second clamping plate 35, and a first sliding block 351 in sliding contact with the first sliding rail 331 is disposed on the second clamping plate 35. As shown in fig. 2 to 5, the first sliding rail 331 extends vertically and is mounted on the moving seat 33, the first sliding block 351 is slidably mounted on the first sliding rail 331, and the first sliding block 351 is connected with the second clamping plate 35, the guiding cam 43 slides in the inclined channel 423 and drives the second clamping plate 35 to lift, so that the second clamping plate 35 drives the first sliding block 351 to lift along the first sliding rail 331, the first sliding block 351 and the first sliding rail 331 play a role in guiding the second clamping plate 35 to lift, and the moving smoothness is improved.

In this embodiment, the upper end of the supporting frame 41 is connected with a buffer 412 towards one side of the first clamping plate 34, the buffer 412 may be a hydraulic buffer 412 or an oil buffer 412 in the prior art, the buffer 412 includes a cylinder, a piston rod and a buffer head connected to the end of the piston rod, the piston rod is telescopically installed in the cylinder, the buffer head is arranged towards the first clamping plate 34 and is used for abutting against the first clamping plate 34, so as to play a role in reducing impact, and the structure is stable and reliable. And, the buffer head is covered with an anti-collision cap to further play a role in reducing collision.

In the boom clamping mechanism 100 of the present embodiment, the mounting base 32 includes a support plate 321, a first mounting plate 322 and a second mounting plate 323, the first mounting plate 322 and the second mounting plate 323 are respectively connected to the upper end and the lower end of the support plate 321, the first clamping plate 34 is hinged to one end of the first mounting plate 322 away from the support plate 321, the moving driving member 31 is mounted on one side of the support plate 321 facing the moving base 33, the second mounting plate 323 is mounted on the lifting frame 22, and the moving base 33 is slidably mounted on the second mounting plate 323. The first mounting plate 322 is provided with a second sliding rail 324 extending horizontally, and the lower side of the moving seat 33 is provided with a second slider 332 in sliding contact with the second sliding rail 324.

As shown in fig. 2 to 4, the supporting plate 321 is vertically disposed, the first mounting plate 322 is connected to the upper end of the supporting plate 321, the second mounting plate 323 is connected to the lower end of the supporting plate 321, the first mounting plate 322 and the second mounting plate 323 are disposed on the same side and extend in the horizontal direction, the moving seat 33 is slidably mounted on the first mounting plate 322, the supporting frame 41 is disposed between the moving seat 33 and the supporting plate 321, the moving driving member 31 is mounted on the supporting plate 321, and the moving driving member 31 passes through the mounting opening 411 to be connected with the moving seat 33, the first clamping plate 34 is rotatably connected to the first mounting plate 322, so that the clamping angle of the first clamping plate 34 can be adaptively adjusted according to the shape of the boom 202, and further the first clamping plate 34 and the second clamping plate 35 can stably clamp the boom 202.

In this embodiment, as shown in fig. 2 to 4, the clamping assembly 30 further includes a pushing driving member 36 and an adapter plate 37, the pushing driving member 36 is mounted on the lifting frame 22 and connected to one end of the adapter plate 37, the other end of the adapter plate 37 is connected to the second mounting plate 323, the pushing driving member 36 is used for driving the adapter plate 37 to drive the second mounting plate 323 to move relative to the lifting frame 22, so as to adjust the position of the first clamping plate 34 according to the size of the boom 202, and improve the universality of the structure, and a third sliding rail 221 extending horizontally is disposed on the lifting frame 22, and a third sliding block 325 in sliding contact with the third sliding rail 221 is disposed on the lower side of the second mounting plate 323, so that the moving smoothness of the mounting seat 32 is further improved. In addition, in the preferred embodiment, the lifting driving member 21, the moving driving member 31 and the pushing driving member 36 can be all air cylinders in the prior art, which has the advantage of convenient and quick use.

In the boom clamping mechanism 100 of the present embodiment, as shown in fig. 2 to 4, the clamping assembly 30 further includes a retaining hook 38, the retaining hook 38 includes an extension segment 381, a connection segment 382 and a retaining segment 383, the connection segment 382 and the retaining segment 383 are both connected to the extension segment 381, the connection segment 382 is connected to the first mounting plate 322, the retaining segment 383 is located at one end of the extension segment 381, which is close to the second clamping plate 35, and extends upward from the extension segment 381, a retaining groove 384 is defined between the retaining segment 383 and the extension segment 381, the retaining groove 384 is used for allowing the boom 202 to extend into and limiting the movement of the boom 202, and the retaining segment 383 plays a role of preventing the boom 202 from separating from the retaining groove 384, thereby further improving structural stability.

In this embodiment, the lifting frame 22 includes a lifting plate 222 and a supporting plate 223 connected to an upper end of the lifting plate 222, the mounting seat 32 is mounted on the supporting plate 223, the lower side of the supporting plate 223 is connected with the lifting driving member 21, a fourth sliding rail 11 extending vertically is disposed on a side of the frame 10 facing the lifting plate 222, and a fourth sliding block 224 in sliding contact with the fourth sliding rail 11 is disposed on the lifting plate 222. As shown in fig. 2 to 4, the lifting plate 222 is connected with a fourth slider 224, the frame 10 is connected with a fourth slide rail 11, the fourth slider 224 cooperates with the fourth slide rail 11 to play a role of guiding lifting, so that the lifting smoothness is improved, the supporting plate 223 is mounted at the upper end of the lifting plate 222, and the supporting plate 223 plays a role of stably supporting the mounting seat 32 and the moving seat 33, so that the structure is stable and reliable. Further, the lifting frame 22 further comprises a reinforcing plate 225 arranged in a right triangle shape, and two right-angle sides of the reinforcing plate 225 are respectively connected with the bearing plate 223 and the lifting plate 222, so that the connection strength is enhanced, and the structural stability is further improved.

The invention also provides a vehicle assembly line 200, as shown in fig. 1, the vehicle assembly line 200 comprises a lifting mechanism and the suspension arm clamping mechanism 100, wherein the suspension arm clamping mechanism 100 is arranged on the ground of a workshop, the lifting mechanism comprises a lifting driving piece, a guide rail 201 and a lifting appliance slidably arranged on the guide rail 201, the guide rail 201 is arranged on the ceiling of the workshop, and the lifting driving piece is used for driving the lifting appliance to slide along the guide rail 201 so as to enable the lifting appliance to be close to or far from the suspension arm clamping mechanism 100. Specifically, the lifting appliance is provided with a suspension arm 202 for lifting the frame, the lifting driving member drives the lifting appliance to move to the upper side of the suspension arm clamping mechanism 100 along the guide rail 201, the suspension arm 202 extends into a clamping space between the first clamping plate 34 and the second clamping plate 35, the first clamping plate 34 and the second clamping plate 35 are matched to clamp the suspension arm 202 positioned in the clamping space, the frame lifted by the suspension arm 202 is further fixed, the alignment assembly of the frame is facilitated, and the specific structure of the suspension arm clamping mechanism 100 refers to the above embodiment.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (8)

1. A boom clamp mechanism, the boom clamp mechanism comprising:

A frame;

The lifting assembly comprises a lifting driving piece and a lifting frame, wherein the lifting driving piece is arranged on the frame and connected with the lifting frame, and the lifting driving piece is used for driving the lifting frame to lift relative to the frame;

The clamping assembly comprises a movable driving piece, a mounting seat and a movable seat, wherein the mounting seat is mounted on the lifting frame, a first clamping plate is arranged on the mounting seat, the movable driving piece is mounted on the mounting seat and connected with the movable seat, a second clamping plate in sliding contact fit with the movable seat is arranged on the movable seat, and the movable driving piece is used for driving the movable seat to move relative to the mounting seat so that the movable seat drives the second clamping plate to be close to or far away from the first clamping plate;

The suspension arm clamping mechanism further comprises a guide assembly, the guide assembly comprises a support frame, a guide plate and a guide cam, the support frame is mounted on the mounting seat, the support frame is positioned on one side of the movable seat, which faces the movable driving piece, the guide plate is connected to the support frame, a guide groove is formed in the guide plate, the guide cam is connected with the second clamping plate and extends into the guide groove, and the guide cam is in rolling contact fit with the guide groove;

The guide groove is internally provided with a limiting channel, an inclined channel and an extending channel which are sequentially communicated, the limiting channel and the extending channel extend along the horizontal direction, the extending channel is close to the supporting frame, the inclined channel is obliquely arranged from top to bottom along the direction away from the supporting frame from the extending channel, the inclined channel is matched with the guide cam to drive the second clamping plate to lift relative to the movable seat, so that the second clamping plate can avoid the suspension arm, the second clamping plate is prevented from colliding with the suspension arm, and the distance between the inclined channel and the supporting frame is gradually expanded from top to bottom.

2. The boom clamp mechanism of claim 1, wherein a first vertically extending rail is provided on the movable mount on a side thereof facing the second clamp plate, and a first slider is provided on the second clamp plate in sliding contact engagement with the first rail.

3. The boom clamp mechanism of any one of claims 1-2, wherein the mounting base includes a support plate, a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate being connected to upper and lower ends of the support plate, respectively, the first clamping plate being hinged to an end of the first mounting plate remote from the support plate, the movable driving member being mounted to a side of the support plate facing the movable base, the second mounting plate being mounted to the lifting frame, and the movable base being slidably mounted to the second mounting plate.

4. A boom clamp mechanism according to claim 3, wherein said first mounting plate is provided with a horizontally extending second rail, and the underside of said movable base is provided with a second slider in sliding contact engagement with said second rail.

5. The boom clamping mechanism of claim 3, wherein the clamping assembly further comprises a pushing driving member and an adapter plate, the pushing driving member is mounted on the lifting frame and connected with one end of the adapter plate, the other end of the adapter plate is connected with the second mounting plate, the pushing driving member is used for driving the adapter plate to drive the second mounting plate to move relative to the lifting frame, a third sliding rail extending horizontally is arranged on the lifting frame, and a third sliding block matched with the third sliding rail in a sliding contact manner is arranged on the lower side of the second mounting plate.

6. The boom clamp mechanism of claim 3, wherein the clamp assembly further comprises a backstop hook comprising an extension segment, a connecting segment and a backstop segment, wherein the connecting segment and the backstop segment are both connected to the extension segment, and the connecting segment is connected to the first mounting plate, and the backstop segment is located at one end of the extension segment near the second clamping plate and extends upward from the extension segment, and a backstop groove is defined between the backstop segment and the extension segment.

7. The boom clamp mechanism of any one of claims 1-2, wherein the lifting frame comprises a lifting plate and a bearing plate connected to the upper end of the lifting plate, the mounting seat is mounted on the bearing plate, the lower side of the bearing plate is connected with the lifting driving piece, a fourth sliding rail extending vertically is arranged on one side of the frame, facing the lifting plate, and a fourth sliding block matched with the fourth sliding rail in a sliding contact manner is arranged on the lifting plate.

8. A vehicle assembly line comprising a crane and a boom clamping mechanism as claimed in any one of claims 1 to 7, the boom clamping mechanism being mounted on a shop floor, the crane comprising a crane drive, a rail and a spreader slidably mounted on the rail, the rail being mounted on a shop ceiling, the crane drive being adapted to drive the spreader to slide along the rail to bring the spreader closer to or farther from the boom clamping mechanism.