CN220197308U - Multistage lifting mechanical arm - Google Patents

Abstract

The utility model discloses a multistage lifting mechanical arm which comprises a supporting base, wherein symmetrical upright posts are arranged at the top of the supporting base, a first telescopic box body is arranged between the upright posts, and a second telescopic box body and a lifting connecting plate are respectively arranged at the front side of the first telescopic box body.

Description

Multistage lifting mechanical arm

Technical Field

The utility model relates to the technical field of related equipment for blade polishing, in particular to a multistage lifting mechanical arm.

Background

In the process of processing the wind driven generator blade, the equipment needs to rely on automatic operation, and the equipment is generally composed of a lifting device, a telescopic mechanical arm and a polishing device, and as the structure of the equipment is mainly composed of the telescopic mechanical arm arranged on the inner side of the lifting device of a portal frame structural engineer, when polishing is carried out, particularly after the polishing device extends out a long distance, the moment born by the lifting device is larger, and the structural stability of the equipment is poor, so that various researches are carried out on the technology by people;

for example, chinese patent document No. CN202110917091.5 discloses a travelling semi-automatic wind power blade polishing apparatus ", comprising: a main support; the polishing device comprises a first-stage lifting truss, a second-stage lifting truss, a horizontal mechanical arm, a polishing wheel and a polishing wheel, wherein the first-stage lifting truss is arranged on a main support, the horizontal mechanical arm is connected with the second-stage lifting truss, and the polishing wheel is connected with the horizontal mechanical arm and is capable of automatically adjusting the gesture; the second-stage lifting truss is connected with the first-stage lifting truss in a sliding manner in the vertical direction; the horizontal mechanical arm is connected with the second-stage lifting truss in a sliding manner in the vertical direction; under the driving action, the second-stage lifting truss ascends or descends relative to the first-stage lifting truss, and meanwhile the horizontal mechanical arm ascends or descends relative to the second-stage lifting truss along the vertical direction. The traveling type semiautomatic wind power blade polishing equipment has the advantages of long effective telescopic distance, high efficiency, low cost and low pollution, and can automatically maintain constant surface contact pressure in the polishing process, thereby realizing flexible polishing.

Therefore, in the prior art, the problem that the stress of the lifting device is not uniform still cannot be completely solved, and as the number of lifting structures arranged by the lifting device is increased, the moment received by the equipment base and the initial gantry structure is larger, so that equipment is easy to overturn.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a multi-stage lifting mechanical arm which can solve the problems in the prior art.

The utility model is realized by the following technical scheme: the utility model discloses a multistage lifting mechanical arm, which comprises a supporting base, wherein symmetrical upright posts are arranged at the top of the supporting base, a first telescopic box body is arranged between the upright posts, and a second telescopic box body and a lifting connecting plate are respectively arranged at the front side of the first telescopic box body.

Further technical scheme, fixing device including set up in the long protruding piece in stand bottom outside, it is fixed through the internal connection support between the long protruding piece, long protruding piece is kept away from internal connection support one side is provided with the horizontal support, be provided with between the horizontal support and be located the outside frame of long protruding piece one side, outside frame is kept away from long protruding piece, stand one side still is provided with two at least protruding pieces, both sides protruding piece of stand one end is provided with crisscross cross bracket, cross bracket with protruding piece fixed fit is connected.

Further technical scheme, elevating gear includes the pneumatic cylinder that support the base upside and set up, the push rod one end of pneumatic cylinder with the linking bridge connection at first flexible box inboard top, the stand is kept away from first flexible box one side is provided with fixed curb plate, the second flexible box with first flexible box inboard top is provided with inboard pedestal, the pivoted is provided with the cooperation wheel in the middle of the inboard pedestal, cooperation wheel surface power connection is provided with straight slab chain, is located the straight slab chain one end of the inside top side of first flexible box with fixed curb plate other end with the inside bottom of second flexible box is fixed, is located the straight slab chain one end of the inside top side of second flexible box with linking bridge fixed other end with the elevating connection board is fixed.

Further technical scheme, support the base upside and be provided with the base, the base with the pneumatic cylinder articulates the setting, the push rod of pneumatic cylinder with the linking bridge articulates the setting.

Further technical scheme, the rear side of first flexible box with the front and back side of second flexible box is provided with a plurality of guide rails, the front side of fixed curb plate, the front side of first flexible box and the rear side of lift connecting plate are provided with the slider, are located slider and guide rail sliding fit between fixed curb plate, first flexible box, second flexible box and the lift connecting plate.

According to a further technical scheme, lock posts are arranged at two ends of the straight plate chain, the lock posts are fixed with the protruding seats at one side of the fixed side plates through middle blocks, the straight plate chain is fixed with the connecting support through the lock posts, the straight plate chain is fixed with the middle flat plate in the low-side connecting seat at the bottom of the second telescopic box body through the lock posts, and the straight plate chain is fixed with the side protruding seats at the rear side of the lifting connecting plate through the lock posts.

Further technical scheme still includes the cantilever beam, cantilever beam one side is provided with the equalizer, the equalizer downside is provided with latch hook and couple, the couple is provided with the hook frame next time, the hook frame downside is provided with the clamp.

According to a further technical scheme, a hinge connecting plate is arranged on one side of the suspension rod, symmetrical hinges are arranged on one side of the hinge connecting plate, one end of each hinge is fixed with the hinge connecting plate, and the other end of each hinge is fixed with the top of the second telescopic box body.

The beneficial effects of the utility model are as follows:

1. this equipment has utilized fixed curb plate, horizontal side support, vertical support, protruding piece, cross support, long protruding piece, internal connection support, horizontal support and outside frame to constitute firm open gate structure and stand and fix to all set up in the homonymy of stand, and be close to the position of pneumatic cylinder the bottom of first flexible box has set up the linking bridge, makes linking bridge and the articulated setting of push rod of pneumatic cylinder, makes the pneumatic cylinder can vertical up output power, and has utilized inboard pedestal, cooperation wheel, straight slab chain, protruding seat, cooperation wheel, intermediate piece, side protruding seat, low side connecting seat, intermediate slab and the design of locking post, makes the straight slab chain keep vertical setting, makes the moment that first flexible box, the flexible box of second and lift connecting plate received when carrying out the lift less, increases its stability who goes up and down.

2. When setting up flexible arm and grinding roller device with lifting connection board one side, its direction of motion is left and right sides flexible, makes with the opening direction of stand, first flexible box and second flexible box is perpendicular, and the opening direction of stand, first flexible box and second flexible box is the fore-and-aft direction, sets up into continuous door frame structure through stand, first flexible box and second flexible box, when flexible arm and grinding roller device extension, can make full use of second flexible box, the structural rigidity of first flexible box and stand, the moment of flexure that flexible arm and grinding roller device produced is overcome to effectual.

3. Through setting up hinge, cantilever beam, equalizer, couple, clamp, hook holder and latch hook, can efficient traction pipeline, improve the motion smoothness of equipment.

Drawings

For ease of illustration, the utility model is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of a multi-stage lift arm of the present utility model;

FIG. 2 is a schematic diagram of FIG. 1 at A;

FIG. 3 is a schematic view of a multi-stage lift arm of FIG. 1;

FIG. 4 is a schematic view of a rear structure of the multi-stage lift arm of FIG. 3;

FIG. 5 is a schematic diagram at B in FIG. 4;

FIG. 6 is a schematic diagram of FIG. 4 at C;

FIG. 7 is a schematic diagram at D in FIG. 6;

FIG. 8 is a schematic cross-sectional view of the apparatus of FIG. 3;

FIG. 9 is a schematic diagram at E in FIG. 8;

FIG. 10 is a schematic diagram of another view of the apparatus of FIG. 3;

FIG. 11 is a schematic view of the structure at F in FIG. 10;

fig. 12 is a schematic view of the structure at G in fig. 10;

fig. 13 is a schematic view of the structure of the balancer of fig. 1;

FIG. 14 is a schematic view of FIG. 13 at H;

FIG. 15 is a schematic view of the portion I of FIG. 13;

in the drawing, a static pressure pipe 12, a base 13, a hydraulic cylinder 14, a support base 21, a right angle rib 22, a column 23, a first expansion tank 24, a second expansion tank 25, a lifting connection plate 27, a boss block 31, a long boss block 32, a first slide rail 33, an internal connection bracket 34, an outer side frame 35, a cross bracket 36, a cross bracket 37, a third slide block 41, a third slide rail 42, a connection bracket 43, a first slide block 44, a cross side bracket 45, a vertical bracket 46, a boss bracket 47, a fixed side plate 48, a mating wheel 51, a straight plate link 52, a lock post 54, a middle block 55, a boss seat 56, an inner side seat 61, a side boss seat 62, a low side connection seat 63, a middle plate 64, a suspension bar 71, a hinge 72, a hinge connection plate 73, a balancer 74, a hook 75, a clip 76, a hook frame 77, and a lock hook 78.

Detailed Description

The present utility model will be described in detail with reference to fig. 1 to 15, and for convenience of description, the following orientations will be defined as follows: the vertical, horizontal, front and back directions are consistent with the vertical, horizontal, front and back directions of the projection relation of the multi-stage lifting mechanical arm in the figure 1, the multi-stage lifting mechanical arm comprises a support base 21, symmetrical upright posts 23 are arranged on the upper side of the support base 21, right-angle ribs 22 are arranged between the upright posts 23 and the support base 21, a base 13 is arranged on the upper side of the support base 21, a hydraulic cylinder 14 is arranged on the upper side of the base 13, the outer side of the hydraulic cylinder 14 is hinged with the top of the base 13, and the hydraulic cylinder 14 is upwards erected.

Advantageously, the outer side of the bottom of the upright 23 is provided with long protruding blocks 32, the long protruding blocks 32 are fixed by diamond-shaped internal connecting brackets 34, a transverse bracket 36 is arranged on one side of the long protruding blocks 32 far away from the internal connecting brackets 34, an outer side frame 35 positioned on one side of the long protruding blocks 32 is arranged between the transverse brackets 36, the outer side frame 35 is far away from the long protruding blocks 32, by arranging the outer side frame 35 on one side far away from the long protruding blocks 32, a distribution box and the like can be arranged on one side of the outer side frame 35 to balance the moment of equipment, at least two protruding blocks 31 are arranged on one side of the upright 23, crossed cross brackets 37 are arranged on the protruding blocks 31 at one ends of the upright 23 on two sides, the cross brackets 37 are fixedly matched and connected with the protruding blocks 31, the top position of one side of the upright post 23 is provided with a fixed side plate 48, one side of the fixed side plate 48 on two sides is provided with an upper transverse side bracket 45 and a lower transverse side bracket 45, a symmetrical vertical bracket 46 is arranged between the upper transverse side bracket 45 and the lower transverse side bracket 45, one side of the vertical bracket 46 is provided with a convex bracket 47 fixed with the transverse side bracket 45, the vertical bracket 46 and the convex bracket 47 form a stable structure connected between the fixed side plates 48 on two sides, and the fixed side plate 48, the convex block 31, the cross bracket 37, the long convex block 32, the internal connecting bracket 34, the outer side frame 35 and the transverse bracket 36 are arranged on the same side of the upright post 23, so that the function of stably connecting the upright post 23 on two sides is realized by utilizing the structural design.

The first telescopic box 24 is slidably arranged in the upright 23, the first telescopic box 24 is of a frame structure, the first sliding rail 33 is arranged at one end, close to the fixed side plate 48, of the first telescopic box 24, the first sliding rail 33 extends from the upper end of the first telescopic box 24 to the lower end of the first telescopic box 24, a plurality of first sliding blocks 44 are arranged at one end, close to the first telescopic box 24, of the fixed side plate 48, and the first sliding blocks 44 are connected with the first sliding rail 33 in a sliding fit mode.

Advantageously, the top of the inner side of the first telescopic box 24 is provided with a connecting bracket 43, the connecting brackets 43 are fixed by a connecting plate provided with holes, a triangular cavity is arranged in the connecting bracket 43, and one end of the bottom of the connecting bracket 43 is hinged with the push rod of the hydraulic cylinder 14.

The telescopic lifting device comprises a first telescopic box body 24, a second telescopic box body 25, a plurality of inclined reinforcing ribs, a plurality of second sliding rails 81, a plurality of second sliding blocks 83, and a plurality of second sliding blocks 83, wherein the second telescopic box body 25 is arranged on one side of the first telescopic box body 24, the second telescopic box body 25 is of a frame structure, the plurality of inclined reinforcing ribs are arranged inside the first telescopic box body 24 and the second telescopic box body 25, the plurality of second sliding rails 81 are arranged on one side, close to the upright post 23, of the second telescopic box body 25, the second sliding blocks 81 extend to the lower portion of the second telescopic box body 25, the plurality of second sliding blocks 83 are arranged on one side, close to the second telescopic box body 25, of the upright post 23, and the second sliding blocks 83 are connected with the second sliding blocks 81 in a sliding fit mode.

Advantageously, wherein, a lifting connection plate 27 is provided on one side of the second telescopic housing 25, a third sliding block 41 is provided on one end of the lifting connection plate 27 close to the second telescopic housing 25, a third sliding rail 42 is provided on one side of the second telescopic housing 25 close to the lifting connection plate 27, the third sliding rail 42 and the third sliding block 41 are in sliding fit connection, the lifting connection plate 27 is used for being connected with a telescopic mechanical arm and a polishing roller device on one side of the telescopic mechanical arm, and the telescopic mechanical arm and the polishing roller device can be obtained from the prior art, for example: background art documents of the prior art.

Advantageously, wherein the inner side seat body 61 is provided at the top of the inner side of the second telescopic housing 25 and the first telescopic housing 24, the matching wheel 51 is rotatably provided in the middle of the inner side seat body 61, the straight plate chain 52 is wound on the outer surface of the matching wheel 51, the straight plate chain 52 is matched with the matching wheel 51, the lock posts 54 are provided at both ends of the straight plate chain 52, the raised seat 56 is provided at one side of the fixed side plate 48, the middle block 55 is fixedly provided between the raised seats 56, one end of the straight plate chain 52 positioned at the top of the inner side of the first telescopic housing 24 is locked and fixed with the middle block 55 through the lock posts 54, the bottom of the second telescopic housing 25 is provided with the low side connecting seat 63, the middle plate 64 is provided in the low side connecting seat 63, one end of the straight plate chain 52 at the top of the inner side of the first telescopic housing 24 is locked and fixed with the middle plate 64 through the lock posts 54, the straight plate chain 52 at the top of the inner side of the second telescopic box body 25 is fixed with the end part of the connecting bracket 43 through the lock post 54, one end of the lifting connecting plate 27 is fixedly provided with a side protruding seat 62, the other end of the straight plate chain 52 at the top of the inner side of the first telescopic box body 24 is locked and fixed with the side protruding seat 62 through the lock post 54, the straight plate chain 52 is arranged in parallel with the second telescopic box body 25 and the first telescopic box body 24, and after the push rod of the hydraulic cylinder 14 pushes the first telescopic box body 24 upwards, the second telescopic box body 25 and the first telescopic box body 24 can be moved relatively, so that the second telescopic box body 25 moves upwards relative to the first telescopic box body 24, and meanwhile, the lifting connecting plate 27 also moves upwards relative to the second telescopic box body 25.

Advantageously, the polishing device further comprises a suspension rod 71, wherein a balancer 74 is arranged on one side of the suspension rod 71, a latch hook 78 and a latch hook 75 are arranged on the lower side of the balancer 74, a hook frame 77 is arranged on the latch hook 75 next time, a clamp 76 is arranged on the lower side of the hook frame 77, the clamp 76 is used for pulling a pipeline, and a hose on one side of the static pressure pipe 12 is communicated with the pipeline in the polishing roller device after passing through the clamp 76.

Advantageously, wherein the hanger bar 71 side is provided with a hinge connection plate 73, the hinge connection plate 73 side is provided with a symmetrical hinge 72, one end of the hinge 72 is fixed with the hinge connection plate 73, the other end of the hinge 72 is fixed with the top of the second telescopic housing 25, so that the pipeline to which the grinding roller device is connected can avoid winding and smoothly move as the equipment goes up and down.

In the initial state, the device, the components and the structure are in a stop working state, and the equipment can enable the second telescopic box 25 to move upwards relative to the first telescopic box 24 and the lifting connecting plate 27 to move upwards relative to the second telescopic box 25 simultaneously after the first telescopic box 24 slides upwards relative to the upright 23, so that the function of multistage telescopic movement is realized, and the working stroke of the device connected with the device is improved.

The device is characterized in that the upright post 23 and the base 13 are fixed on the first telescopic box body 24, a fixed side plate 48, a transverse side bracket 45, a vertical bracket 46, a convex bracket 47, a convex block 31, a cross bracket 37, a long convex block 32, an internal connecting bracket 34, a transverse bracket 36 and an external frame 35 form a firm open door type structure to be fixed with the upright post 23, after the hydraulic cylinder 14 works, one end of a push rod of the hydraulic cylinder 14 is hinged with the inside of the connecting bracket 43 to enable the first telescopic box body 24 to move upwards relative to the upright post 23, during the process, as one end of a straight plate chain 52 on the outer surface of a matching wheel 51 on the inner side top of the first telescopic box body 24 is fixed with the fixed side plate 48, during the upward movement of the first telescopic box body 24, the first telescopic box body 24 moves upwards relative to the fixed side plate 48, the length of the part of the straight plate chain 52 at the inner top of the first telescopic box 24, which is connected with the fixed side plate 48, is gradually increased, the part of the straight plate chain 52 at the inner top of the first telescopic box 24, which is connected with the low side connecting seat 63 at the bottom of the second telescopic box 25, is gradually decreased, so that the second telescopic box 25 can move upwards relative to the first telescopic box 24, and in the same way, as the second telescopic box 25 moves upwards relative to the first telescopic box 24, the straight plate chain 52 at the inner top of the second telescopic box 25 is positioned at the side of the connecting bracket 43, and the length of the straight plate chain 52 at the inner top of the second telescopic box 25, which is positioned at the side of the lifting connecting plate 27, is shortened, so that the lifting connecting plate 27 slides towards the upper side of the second telescopic box 25, and thus the first telescopic box 24, the lower side of the second telescopic box 25, and the upper side of the second telescopic box 25, respectively, are realized through the operation of the hydraulic cylinder 14, the second telescopic housing 25 and the lifting connection plate 27 are lifted up at the same time, and the second telescopic housing can be obtained by resetting the push rod in the hydraulic cylinder 14 when the second telescopic housing is reset and lowered.

The balancer 74 and the clamp 76 on the suspension rod 71 can effectively pull the pipeline, so that the first telescopic box 24, the second telescopic box 25 and the lifting connection plate 27 can be lifted and moved simultaneously, and then the pipeline is prevented from winding.

The above is merely a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (8)

1. The utility model provides a multistage lift arm, includes support base (21), support base (21) top is provided with stand (23) of symmetry, be provided with first flexible box (24) between stand (23), first flexible box (24) front side is provided with second flexible box (25) and lift connecting plate (27) respectively, its characterized in that, stand (23) keep away from second flexible box (25) terminal surface is provided with the both sides stand (23) are connected in order to improve its fixing device who resists the moment of flexure, be provided with the elevating gear who can make its flexible lift simultaneously between stand (23), first flexible box (24), second flexible box (25) and lift connecting plate (27).

2. The multi-stage lift arm of claim 1 wherein: the fixing device comprises long protruding blocks (32) arranged on the outer side of the bottom of the upright post (23), the long protruding blocks (32) are fixed through an internal connection support (34), the long protruding blocks (32) are far away from the internal connection support (34), a transverse support (36) is arranged on one side of the long protruding blocks (32), an outer side frame (35) positioned on one side of the long protruding blocks (32) is arranged between the transverse supports (36), the outer side frame (35) is far away from the long protruding blocks (32), at least two protruding blocks (31) are further arranged on one side of the upright post (23), crossed cross supports (37) are arranged on the protruding blocks (31) on one end of the upright post (23), and the cross supports (37) are fixedly matched and connected with the protruding blocks (31).

3. The multi-stage lift arm of claim 1 wherein: the lifting device comprises a hydraulic cylinder (14) arranged on the upper side of a supporting base (21), one end of a push rod of the hydraulic cylinder (14) is connected with a connecting bracket (43) on the inner top of a first telescopic box body (24), a stand column (23) is far away from one side of the first telescopic box body (24) and is provided with a fixed side plate (48), the inner top of the second telescopic box body (25) and the inner top of the first telescopic box body (24) are provided with an inner base body (61), a matching wheel (51) is arranged in the middle of the inner base body (61) in a rotating mode, a straight plate chain (52) is arranged on the outer surface of the matching wheel (51) in a power connection mode, one end of the straight plate chain (52) on the inner top side of the first telescopic box body (24) is fixed with the fixed side plate (48), the other end of the straight plate chain (52) on the inner top side of the second telescopic box body (25) is fixed with the inner bottom of the connecting bracket (43), and the other end of the straight plate chain (52) on the inner top side of the second telescopic box body (25) is fixed with the lifting connecting plate (27).

4. A multi-stage lift arm as set forth in claim 3 wherein: the support base (21) upside is provided with base (13), base (13) with pneumatic cylinder (14) articulated setting, the push rod of pneumatic cylinder (14) with linking bridge (43) articulated setting.

5. A multi-stage lift arm as set forth in claim 3 wherein: the rear side of first flexible box (24) with the front and back side of second flexible box (25) is provided with a plurality of guide rails, the front side of fixed curb plate (48), the front side of first flexible box (24) and the rear side of lift connecting plate (27) are provided with the slider, are located slider and guide rail sliding fit between fixed curb plate (48), first flexible box (24), second flexible box (25) and lift connecting plate (27).

6. A multi-stage lift arm as set forth in claim 3 wherein: the two ends of the straight plate chain (52) are provided with lock posts (54), the lock posts (54) are fixed with a boss (56) on one side of the fixed side plate (48) through a middle block (55), the straight plate chain (52) is fixed with a connecting bracket (43) through the lock posts (54), the straight plate chain (52) is fixed with a middle flat plate (64) in a low-side connecting seat (63) at the bottom of the second telescopic box body (25) through the lock posts (54), and the straight plate chain (52) is fixed with a side boss (62) on the rear side of the lifting connecting plate (27) through the lock posts (54).

7. A multi-stage lift arm according to any one of claims 1-6, wherein: still include cantilever (71), cantilever (71) one side is provided with balancer (74), balancer (74) downside is provided with latch hook (78) and couple (75), couple (75) are provided with hook frame (77) next time, hook frame (77) downside is provided with clamp (76).

8. The multi-stage lift arm of claim 7 wherein: the utility model discloses a telescopic box, including articulated arm (71), telescopic box, second telescopic box (25), cantilever (71) one side is provided with hinge connection board (73), hinge connection board (73) one side is provided with symmetrical hinge (72), one end of hinge (72) with hinge connection board (73) are fixed, the other end of hinge (72) with second telescopic box (25) top is fixed.