CN115744562A - Target vacuum suction crane capable of self-locking - Google Patents

Abstract

A target vacuum suction crane capable of self-locking belongs to the technical field of carrying equipment and aims to solve the problems that a sucker of the existing vacuum suction crane is damaged to cause insufficient adsorption force, and the sucker falls and is damaged when the target plate is sucked and lifted; the sucking disc body laminating target plate body top surface through the fixed casing bottom, the evacuation machine utilizes fixed casing, the cooperation of solid fixed cylinder and removal pipe is to sucking disc body evacuation, thereby adsorb the handling target plate body, the exhaust tube is to the inflator evacuation of sucking disc body side simultaneously, negative pressure adsorbs piston head and carriage release lever shifts up in the inflator, the carriage release lever shifts up and slides along the direction chute on the bearing frame inner wall, make the bearing frame from the spacing intracavity roll-off in the mount pad of inflator bottom and insert target plate body bottom, make the target plate body jack-up that makes progress, with target plate body centre gripping between bearing frame and sucking disc body, realize carrying out automatic locking to the target plate body, the not enough damage that drops of department that makes of adsorption affinity when avoiding sucking disc body handling target plate body.

Description

Target vacuum suction crane capable of self-locking

Technical Field

The invention relates to the technical field of carrying equipment, in particular to a target vacuum suction crane capable of self-locking.

Background

The vacuum suction crane (commonly called as a nose vacuum hanger) is a rapid, safe and convenient automatic device and is classified into a hanger in the foreign country. The vacuum suction principle is utilized, a vacuum pump or a vacuum blower is used as a vacuum source, vacuum is generated at a suction cup end, various workpieces are firmly sucked, and the workpieces are conveyed to a specified position through a rotatable mechanical arm or a crane.

In order to prevent the clamping loss caused when a general mechanical arm clamps and carries a target plate of a target, the target plate of the target is generally carried and transferred by using a vacuum suction crane during processing, and the target plate of the target is sucked and lifted to a specified place by using the adsorption force of a sucking disc. However, after the suction cup of the existing vacuum suction crane is used for a long time, the part of the suction cup is damaged to cause insufficient adsorption force of the suction cup, and a worker cannot detect the adsorption force condition of the suction cup at any moment, so that the suction cup is easy to drop when adsorbing and lifting a target plate of a target material, and the target plate of the target material is damaged when dropping.

Therefore, the target vacuum suction crane capable of self-locking is provided.

Disclosure of Invention

The invention aims to provide a target vacuum suction crane capable of self-locking, and aims to solve the problems that in the background technology, a sucker of the existing vacuum suction crane is damaged to cause insufficient adsorption force, and the sucker falls and is damaged when the target plate is sucked and lifted.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a target vacuum suction crane that can auto-lock, including installation stand and the control computer of fixed connection on the installation stand outer wall, fixedly connected with mounting panel on the installation stand outer wall of control computer top, the terminal top activity of mounting panel is provided with the davit crossbeam, the bottom swing joint of davit crossbeam has the installation lug, the fixed casing of bottom fixedly connected with of installation lug, fixed casing is hollow structure, its top both sides are provided with the evacuation machine respectively, the evacuation machine exhaust tube is linked together with fixed casing, and fixed casing bottom four corners department is provided with the vacuum chuck that is linked together respectively, the vacuum chuck is used for laminating absorption target plate body, fixedly connected with adjusts the pole on the outer wall of one side of vacuum chuck, the terminal fixedly connected with inflator of regulation pole, the inflator top is linked together with the fixed casing lateral wall through soft exhaust tube, inflator bottom fixedly connected with mount pad, the activity runs through is provided with the carriage on the bottom plate of inflator, carriage bar top fixedly connected with the piston head in the inflator, the carriage bar lower extreme runs through and extends to the spacing intracavity of mount pad bottom, the winding is provided with reset spring on the carriage bar outer wall between mount pad roof plate and the carriage bar bottom, the carriage bar both sides is connected with the carriage bar through the activity guide bar, carriage bar bottom swing joint respectively, the carriage bar bottom is connected with the carriage bar through spacing terminal guide bar.

Furthermore, the port of the limiting cavity extends to the side wall, close to one side of the fixed shell, of the mounting seat, one end, close to the port of the limiting cavity, of the bearing frame is of an inclined plane structure, when the reset spring keeps a normal diastole state, the limiting rod is located at the inclined lower end of the guide chute, and at the moment, the end of the bearing frame is flush with the port of the limiting cavity.

Further, be close to top department on the lateral wall of inflator and be provided with manual release valve, inflator and mount pad junction both sides are provided with the air inlet, and the bottom plate of inflator sets up in the air inlet top.

Furthermore, the suspension arm beam comprises a rotating plate and a rotating shaft, the rotating plate is movably arranged at the top of the tail end of the mounting plate, the rotating shaft is fixedly connected to the top of the rotating plate, a guide sliding rail is fixedly connected to the outer wall of one side, away from the mounting upright post, of the rotating shaft, a pneumatic sliding block is movably arranged at the bottom of the guide sliding rail, a suspension arm piece is fixedly connected to the bottom of the pneumatic sliding block, and a lifting lug is movably connected to the bottom of the suspension arm piece.

Furthermore, the locating plate has been cup jointed in the activity of rotation axis top, and the terminal fixed connection of locating plate is on the installation stand lateral wall, and is provided with the cable-stayed sling on the rotation axis lateral wall of locating plate below, draws the terminal fixed connection of sling in direction slide rail top to one side.

Further, davit spare includes electric lift rod and the spacing couple of fixed connection in electric lift rod bottom of fixed connection in pneumatic slider bottom, and the fixed casing is connected to the activity after wearing the cover installation lug on the spacing couple outer wall, fixedly connected with connecting strip on the terminal straight-bar both sides outer wall of electric lift rod, and the end activity of connecting strip runs through and is provided with the balancing pole.

Furthermore, the connecting strips are symmetrically arranged relative to the electric lifting rod, the connecting strips are perpendicular to the guide sliding rails, and the bottom of the balancing rod at the tail end of the connecting strips is attached to the top plate of the fixed shell.

Further, vacuum chuck includes that fixed connection just is linked together in the solid fixed cylinder of solid fixed casing bottom four corners department and the removal pipe that the solid fixed cylinder bottom plate set up is run through in the activity to the solid fixed cylinder, and fixedly connected with adjusts the pole on the lateral wall of solid fixed cylinder, removes the sucking disc body that the bottom fixedly connected with of pipe is linked together, and the winding is provided with buffer spring on the removal outside of tubes wall between sucking disc body top and solid fixed cylinder bottom.

Furthermore, two liang of regulation poles about the stationary casing central line symmetry setting at stationary casing below both ends, the stationary casing is parallel to each other with the regulation pole of one end, adjusts the pole and is used for adjusting the distance of mount pad and sucking disc body.

Further, adjust the pole and include that isolation hood and activity on fixed cylinder lateral wall run through the expanding spring bull stick that sets up in the isolation hood top, expanding spring bull stick lower extreme extends to inside the isolation hood, fixedly connected with stopper on the expanding spring bull stick top removal end lateral wall in the isolation hood, the spacing card section of thick bamboo of the outside isolation hood roof lower extreme fixedly connected with of expanding spring bull stick, fixedly connected with take-up reel on the non-removal end outer wall of expanding spring bull stick bottom, the rolling has the haulage rope on the take-up reel outer wall, the terminal fixed connection of haulage rope slides on the end lateral wall of complex connecting rod with the isolation hood lateral wall, the connecting rod end runs through and extends to the isolation hood outside, its terminal fixed connection is on the inflator lateral wall, the winding is provided with elastomeric element on the connecting rod outer wall in the isolation hood.

Compared with the prior art, the invention has the following beneficial effects:

according to the self-locking target material vacuum suction crane, the sucker body at the bottom of the fixed shell is attached to the top surface of the target plate body, the vacuum suction crane vacuumizes the sucker body through the cooperation of the fixed shell, the fixed cylinder and the moving pipe, so that the target plate body is sucked and lifted, the air suction pipe vacuumizes the air cylinder beside the sucker body, the negative pressure suction piston head and the moving rod in the air cylinder move upwards, the moving rod moves upwards to slide along the guide chute on the inner wall of the bearing frame, so that the bearing frame slides out of the limiting cavity in the installation seat at the bottom of the air cylinder, the bearing frame slides out to be close to the target plate body, the bearing frame is inserted into the bottom of the target plate body, so that the target plate body is jacked upwards, the sucker body and the moving pipe are pushed to compress the buffer spring, the target plate body is clamped between the bearing frame and the sucker body, the target plate body is automatically locked by utilizing the bearing frame, and the target plate body is prevented from falling and being damaged when the sucker body lifts the target plate body due to insufficient suction force.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the stationary housing and vacuum chuck of the present invention;

FIG. 3 is a schematic view of the mounting structure of the air cylinder and the adjusting lever according to the present invention;

FIG. 4 is a schematic view of the mounting arrangement of the air cylinder and mount of the present invention;

FIG. 5 is a schematic view of the installation structure of the moving rod and the supporting frame of the present invention;

FIG. 6 is a schematic view of an adjusting lever structure of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6 according to the present invention;

fig. 8 is a schematic structural view of the boom member of the present invention.

In the figure: 1. mounting the upright post; 2. a control computer; 3. mounting a plate; 4. a boom beam; 41. a rotating plate; 42. a rotating shaft; 43. a guide slide rail; 44. a pneumatic slider; 45. a boom member; 451. an electric lifting rod; 452. a limiting hook; 453. a connecting strip; 454. a balancing pole; 46. positioning a plate; 47. cable-stayed slings; 5. mounting a lifting lug; 6. a fixed housing; 7. a vacuum extractor; 8. a vacuum chuck; 81. a fixed cylinder; 82. moving the tube; 83. a suction cup body; 84. a buffer spring; 10. a target plate body; 11. adjusting a rod; 111. an isolation cover; 112. a telescopic spring rotating rod; 113. a limiting block; 114. a limiting clamping cylinder; 115. a take-up reel; 116. a hauling rope; 117. a connecting rod; 118. an elastic member; 12. an air cylinder; 121. a manual air escape valve; 122. an air inlet; 13. an air exhaust pipe; 14. a mounting base; 15. a travel bar; 16. a piston head; 17. a limiting cavity; 18. a return spring; 19. a supporting frame; 20. a guide chute; 21. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a target vacuum suction crane capable of self-locking comprises an installation upright post 1 and a control computer 2 fixedly connected to the outer wall of the installation upright post 1, wherein an installation plate 3 is fixedly connected to the outer wall of the installation upright post 1 above the control computer 2, and a suspension arm cross beam 4 is movably arranged at the top of the tail end of the installation plate 3; the suspension arm beam 4 comprises a rotating plate 41 movably arranged at the top of the tail end of the mounting plate 3 and a rotating shaft 42 fixedly connected to the top of the rotating plate 41, the bottom of the rotating plate 41 is fixedly connected with the output end of a rotating motor arranged at the bottom of the mounting plate 3, the rotating motor can rotate positively and negatively, a guide sliding rail 43 is fixedly connected to the outer wall of one side, away from the mounting upright post 1, of the rotating shaft 42, a pneumatic sliding block 44 is movably arranged at the bottom of the guide sliding rail 43, a pneumatic part is arranged in the guide sliding rail 43 and pushes the pneumatic sliding block 44 to move left and right in parallel, a suspension arm part 45 is fixedly connected to the bottom of the pneumatic sliding block 44, and a suspension lug 5 is movably connected to the bottom of the suspension arm part 45.

Locating plate 46 has been cup jointed in the activity of rotation axis 42 top, and locating plate 46 end fixed connection is on the installation stand 1 lateral wall, and is provided with cable-stayed sling 47 on the rotation axis 42 lateral wall of locating plate 46 below, draws the terminal fixed connection of sling 47 in the top of guide slide rail 43 to one side, and locating plate 46 strengthens the stability of guide slide rail 43 with cable-stayed sling 47.

In order to solve the problems that the suction disc of the existing vacuum sucking and hoisting machine is damaged to cause insufficient suction force, and the target material target plate is dropped and damaged when the target material target plate is sucked and hoisted by the suction disc, please refer to fig. 1-8, the following preferred technical scheme is provided:

the bottom of the suspension arm beam 4 is movably connected with an installation lifting lug 5, the bottom of the installation lifting lug 5 is fixedly connected with a fixed shell 6, the fixed shell 6 is of a hollow structure, two sides of the top of the fixed shell are respectively provided with a vacuumizing machine 7, an air suction cylinder of the vacuumizing machine 7 is communicated with the fixed shell 6, four corners of the bottom of the fixed shell 6 are respectively provided with a vacuum suction cup 8 which is communicated with each other, the vacuum suction cups 8 are used for being attached to an adsorption target plate body 10, the outer wall of one side of each vacuum suction cup 8 is fixedly connected with an adjusting rod 11, the tail end of the adjusting rod 11 is fixedly connected with an air cylinder 12, the top of the air cylinder 12 is communicated with the side wall of the fixed shell 6 through a soft air suction pipe 13, the bottom of the air cylinder 12 is fixedly connected with an installation seat 14, the movable type gas cylinder is characterized in that a moving rod 15 is movably arranged on a bottom plate of the gas cylinder 12 in a penetrating mode, a gap exists between the moving rod 15 and the bottom plate of the gas cylinder 12 at the penetrating position, a piston head 16 is fixedly connected to the top of the moving rod 15 in the gas cylinder 12, the lower end of the moving rod 15 extends into a limiting cavity 17 in the bottom of the mounting seat 14 in a penetrating mode, a reset spring 18 is wound on the outer wall of the moving rod 15 between a top plate of the mounting seat 14 and the bottom plate of the gas cylinder 12, a bearing frame 19 is movably clamped inside the limiting cavity 17, guide chutes 20 are formed in the inner walls of the two sides of the bearing frame 19, limiting rods 21 are fixedly connected to the outer walls of the two sides of the bottom of the moving rod 15 respectively, and the moving rod 15 is movably connected with the bearing frame 19 through the tail end movable clamping guide chutes 20 of the limiting rods 21.

The port of the limiting cavity 17 extends to the side wall of the mounting seat 14 close to one side of the fixed shell 6, one end of the bearing frame 19 close to the port of the limiting cavity 17 is of an inclined plane structure, when the reset spring 18 keeps a normal diastole state, the limiting rod 21 is located at the inclined lower end of the guide chute 20, and at the moment, the tail end of the bearing frame 19 is flush with the port of the limiting cavity 17.

A manual air release valve 121 is arranged on the side wall of the air cylinder 12 close to the top, air inlets 122 are arranged on two sides of the joint of the air cylinder 12 and the mounting seat 14, and the bottom plate of the air cylinder 12 is arranged above the air inlets 122.

Vacuum chuck 8 includes fixed connection in 6 bottom four corners departments of fixed housing and the removal pipe 82 that the bottom plate of fixed cylinder 81 set up is run through with the activity to fixed cylinder 81 and fixed cylinder 81 bottom plate setting, remove pipe 82 and the sealed processing of fixed cylinder 81 bottom plate contact department, fixedly connected with adjusts pole 11 on the lateral wall of fixed cylinder 81, remove the sucking disc body 83 that the bottom fixedly connected with of pipe 82 is linked together, the winding is provided with buffer spring 84 on the removal pipe 82 outer wall between sucking disc body 83 top and fixed cylinder 81 bottom, sucking disc body 83 promotes to remove pipe 82 and removes in to fixed cylinder 81, sucking disc body 83 compression buffer spring 84, buffer spring 84 reverse action promotes sucking disc body 83 and bearing frame 19 centre gripping target plate body 10.

The hanging arm piece 45 comprises an electric lifting rod 451 fixedly connected to the bottom of the pneumatic sliding block 44 and a limiting hook 452 fixedly connected to the bottom of the electric lifting rod 451, the outer wall of the limiting hook 452 is movably sleeved with a hanging lug 5 and then is connected with a fixed shell 6, connecting strips 453 are fixedly connected to the outer walls of two sides of a straight rod at the tail end of the electric lifting rod 451, and a balance rod 454 is movably arranged at the tail end of each connecting strip 453 in a penetrating mode; connecting strip 453 sets up about electric lift pole 451 symmetry, and connecting strip 453 and direction slide rail 43 mutually perpendicular, the fixed casing 6 roof of the terminal balancing pole 454 bottom laminating of connecting strip 453, electric lift pole 451 descends, make the sucking disc body 83 contact target plate body 10 top surface of fixed casing 6 bottom, during sucking disc body 83 evacuation adsorption target plate body 10, rotatory balancing pole 454 makes its perpendicular connecting strip 453 move down, until balancing pole 454 bottom contact target plate body 10 top surface, the width that utilizes balancing pole 454 bottom supports and presses target plate body 10, it rocks to appear when preventing sucking disc body 83 evacuation adsorption target plate body 10 on spacing couple 452, stability when keeping target plate body 10 handling.

Two liang of regulation poles 11 about fixed casing 6 central line symmetry setting at fixed casing 6 below both ends, fixed casing 6 is parallel to each other with the regulation pole 11 of one end, adjusts pole 11 and is used for adjusting the distance of mount pad 14 and sucking disc body 83.

The adjusting rod 11 comprises an isolation cover 111 fixedly connected to the side wall of the fixed cylinder 81 and a telescopic spring rotating rod 112 movably arranged at the top of the isolation cover 111 in a penetrating manner, the lower end of the telescopic spring rotating rod 112 extends into the isolation cover 111, a limit block 113 is fixedly connected to the side wall of the movable end of the top of the telescopic spring rotating rod 112 in the isolation cover 111, a limit clamping cylinder 114 is fixedly connected to the lower end of the top plate of the isolation cover 111 outside the telescopic spring rotating rod 112, a winding reel 115 is fixedly connected to the outer wall of the non-movable end at the bottom of the telescopic spring rotating rod 112, a traction rope 116 is wound on the outer wall of the winding reel 115, the tail end of the traction rope 116 is fixedly connected to the end side wall of a connecting rod 117 in sliding fit with the side wall of the isolation cover 111, the tail end of the connecting rod 117 extends to the outside of the isolation cover 111 in a penetrating manner, the tail end of the connecting rod is fixedly connected to the side wall of the inflator 12, and an elastic component 118 is wound on the outer wall of the connecting rod 117 in the isolation cover 111, according to the target plate body 10 of different sizes, before the sucking disc body 83 is attached to the top surface of the target plate body 10 for adsorption, the telescopic spring rotating rod 112 is pressed downwards, so that the limiting blocks 113 on the two sides of the top moving end of the telescopic spring rotating rod 112 in the isolation cover 111 are separated from the limiting clamping cylinders 114, the telescopic spring rotating rod 112 is rotated again, the telescopic spring rotating rod 112 drives the winding disc 115 to rotate, wind or release the traction rope 116, the driving connecting rod 117 moves in the isolation cover 111, and the soft, straight and bendable air pumping pipe 13 is adopted, so that the distance between the tail end air cylinder 12 of the connecting rod 117 and the sucking disc body 83 is adjusted, the distance between the bottom mounting seat 14 of the air cylinder 12 and the sucking disc body 83 is adjusted, the bottom supporting frame 19 of the mounting seat 14 extends out, and the sucking disc body 83 is matched with the sucking disc body 83 to perform self-locking clamping on the target plate body 10, and the use is convenient and rapid.

Specifically, the boom beam 4 suspends and moves the fixed shell 6, so that the suction cup body 83 at the four corners of the bottom of the fixed shell 6 is attached to the top surface of the target plate body 10 to be extruded, the vacuumizer 7 at the top of the fixed shell 6 is started, the vacuumizer 7 vacuumizes the suction cup body 83 through the fixed shell 6 and the movable tube 82, the suction cup body 83 contacts the target plate body 10 and is adsorbed and fixed by negative pressure after being vacuumized, the vacuumizer 7 vacuumizes the fixed shell 6 and simultaneously vacuumizes the air cylinder 12 by the air exhaust tube 13, the internal vacuumizing of the air cylinder 12 is changed into negative pressure, under the pushing of the external atmospheric pressure, the piston head 16 drives the movable tube 15 to move up and stretch the reset spring 18 in the air cylinder 12, when the movable tube 15 moves up, the limiting rod 21 drives the limiting rod 21 to slide along the guide chute 20 on the inner wall of the bearing frame 19, the limiting rod 21 drives the bearing frame 19 to slide out of the limiting cavity 17 port at the bottom of the mounting seat 14, after the bearing frame 19 slides out of the limiting cavity 17 port, the end of the bearing frame 19 contacts the bottom of the target plate body 10, the bearing frame 19 is inserted into the target plate body, so that the lifting and the lifting body 10 can be conveniently and the suction cup body 10 and can not be pressed by the suction cup body 10, and can be conveniently pressed by the suction cup body 10, and the suction cup body 10 can be pressed by the suction cup body, and the suction cup body 10 can be prevented from being damaged by the manual pressure of the manual.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a but target vacuum suction crane of auto-lock, includes control computer (2) of installation stand (1) and fixed connection on installation stand (1) outer wall, fixedly connected with mounting panel (3) on the installation stand (1) outer wall of control computer (2) top, the activity of mounting panel (3) terminal top is provided with davit crossbeam (4), its characterized in that: the bottom of a suspension arm beam (4) is movably connected with an installation lifting lug (5), the bottom of the installation lifting lug (5) is fixedly connected with a fixed shell (6), the fixed shell (6) is of a hollow structure, two sides of the top of the fixed shell are respectively provided with a vacuumizing machine (7), an air suction cylinder of the vacuumizing machine (7) is communicated with the fixed shell (6), four corners of the bottom of the fixed shell (6) are respectively provided with a communicated vacuum sucker (8), the vacuum sucker (8) is used for being attached to an adsorption target plate body (10), an adjusting rod (11) is fixedly connected to the outer wall of one side of the vacuum sucker (8), the tail end of the adjusting rod (11) is fixedly connected with an air cylinder (12), the top of the air cylinder (12) is communicated with the side wall of the fixed shell (6) through a soft air suction pipe (13), the bottom of the air cylinder (12) is fixedly connected with an installation seat (14), a moving rod (15) movably penetrates through the bottom plate of the air cylinder (12), the top of the moving rod (15) is fixedly connected with a piston head (16) at the top of the moving rod (15), the moving rod (15) penetrates through the inside a limit cavity (17) extending to the bottom of the installation seat (14), a support frame (18) is arranged between the top plate and the outer wall of the moving rod (12), and a support frame (17) is arranged on the movable plate (18) of the air cylinder (12), and a spring (17) wound inside the support frame (17), the inner walls of two sides of the bearing frame (19) are provided with guide chutes (20), the outer walls of two sides of the bottom of the movable rod (15) are respectively and fixedly connected with limit rods (21), and the movable rod (15) is movably connected with the bearing frame (19) through the guide chutes (20) which are movably clamped at the tail ends of the limit rods (21).

2. The target vacuum suction crane capable of self-locking as claimed in claim 1, wherein: the port of the limiting cavity (17) extends to the side wall of one side, close to the fixed shell (6), of the mounting seat (14), one end, close to the port of the limiting cavity (17), of the bearing frame (19) is of an inclined plane structure, when the reset spring (18) keeps a normal relaxation state, the limiting rod (21) is located at the inclined lower end of the guide chute (20), and at the moment, the tail end of the bearing frame (19) is flush with the port of the limiting cavity (17).

3. The target vacuum suction crane capable of self-locking as claimed in claim 2, wherein: a manual air release valve (121) is arranged on the side wall of the air cylinder (12) close to the top, air inlets (122) are arranged on two sides of the joint of the air cylinder (12) and the mounting seat (14), and the bottom plate of the air cylinder (12) is arranged above the air inlets (122).

4. The target vacuum suction crane capable of self-locking as claimed in claim 1, wherein: the suspension arm beam (4) comprises a rotating plate (41) and a rotating shaft (42), the rotating plate (41) is movably arranged at the top of the tail end of the mounting plate (3), the rotating shaft (42) is fixedly connected to the top of the rotating plate (41), a guide sliding rail (43) is fixedly connected to the outer wall of one side, far away from the mounting upright post (1), of the rotating shaft (42), a pneumatic sliding block (44) is movably arranged at the bottom of the guide sliding rail (43), a suspension arm piece (45) is fixedly connected to the bottom of the pneumatic sliding block (44), and a mounting lifting lug (5) is movably connected to the bottom of the suspension arm piece (45).

5. The target vacuum suction crane capable of self-locking as claimed in claim 4, wherein: a positioning plate (46) is movably sleeved at the top of the rotating shaft (42), the tail end of the positioning plate (46) is fixedly connected to the side wall of the mounting upright post (1), oblique pull slings (47) are arranged on the side wall of the rotating shaft (42) below the positioning plate (46), and the tail ends of the oblique pull slings (47) are fixedly connected to the top of the guide sliding rail (43).

6. The self-lockable target vacuum suction crane according to claim 5, characterized in that: the hanging arm piece (45) comprises an electric lifting rod (451) fixedly connected to the bottom of the pneumatic sliding block (44) and a limiting hook (452) fixedly connected to the bottom of the electric lifting rod (451), the outer wall of the limiting hook (452) is movably connected with a fixed shell (6) after being sleeved with a hanging lug (5), connecting strips (453) are fixedly connected to the outer walls of two sides of a straight rod at the tail end of the electric lifting rod (451), and a balance rod (454) is movably arranged at the tail end of each connecting strip (453) in a penetrating mode.

7. The target vacuum suction crane capable of self-locking as claimed in claim 6, wherein: the connecting strips (453) are symmetrically arranged around the electric lifting rod (451), the connecting strips (453) are perpendicular to the guide sliding rail (43), and the bottom of a balance rod (454) at the tail end of the connecting strips (453) is attached to the top plate of the fixed shell (6).

8. The target vacuum suction crane capable of self-locking as claimed in claim 1, wherein: vacuum chuck (8) include that fixed connection runs through removal pipe (82) that solid fixed cylinder (81) bottom plate set up in solid fixed casing (6) bottom four corners department and solid fixed cylinder (81) that are linked together with the activity, fixedly connected with adjusts pole (11) on the lateral wall of solid fixed cylinder (81), remove sucking disc body (83) that the bottom fixedly connected with of pipe (82) is linked together, the winding is provided with buffer spring (84) on removal pipe (82) outer wall between sucking disc body (83) top and solid fixed cylinder (81) bottom.

9. The target vacuum suction crane capable of self-locking as claimed in claim 8, wherein: two liang of regulation poles (11) about fixed casing (6) central line symmetry setting at fixed casing (6) below both ends, and fixed casing (6) are parallel to each other with regulation pole (11) of end, adjust pole (11) and are used for adjusting the distance of mount pad (14) and sucking disc body (83).

10. The target vacuum suction crane capable of self-locking as claimed in claim 9, wherein: adjusting pole (11) including isolation hood (111) fixed connection on solid fixed cylinder (81) lateral wall and activity run through set up in isolation hood (111) top expanding spring bull stick (112), expanding spring bull stick (112) lower extreme extends to inside isolation hood (111), fixedly connected with stopper (113) on the lateral wall is removed at expanding spring bull stick (112) top in isolation hood (111), isolation hood (111) the outside of expanding spring bull stick (112) lower extreme fixedly connected with spacing card section of thick bamboo (114), fixedly connected with take-up reel (115) on the non-removal end outer wall in expanding spring bull stick (112) bottom, the rolling has haulage rope (116) on take-up reel (115) outer wall, terminal fixed connection in haulage rope (116) is on the end lateral wall with isolation hood (111) lateral wall sliding fit's connecting rod (117), connecting rod (117) terminal runs through to the outside isolation hood (111), its terminal fixed connection is on inflator (12) lateral wall, it is provided with elastic component (118) to twine on connecting rod (117) outer wall in isolation hood (111).

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