CN217596250U - Lifting head automatic welding platform - Google Patents

Abstract

The application relates to the technical field of metal welding auxiliary tools, in particular to an automatic welding platform for a lifting head, which comprises two supporting seats, wherein rotating discs are respectively arranged at the upper ends of the two supporting seats in a rotating manner, and a driving piece capable of driving the rotating discs to rotate is arranged on at least one rotating disc; the bearing frame is horizontally fixed between the two rotating disks, and a beam is horizontally fixed at the position of the bearing frame, which is close to one rotating disk; the limiting sleeve is vertically fixed on the cross beam, a cylinder piston rod is connected in the limiting sleeve in a sliding mode, a first supporting plate is horizontally fixed at the end of the piston rod, and a limiting part is arranged on the first supporting plate; a plurality of support rods are horizontally fixed at the middle position of the bearing frame; the sliding seat can slide on the bearing frame along the length direction of the bearing frame, a pressing plate is arranged on the sliding seat and horizontally arranged, and the pressing plate is used for pressing and holding the channel steel; the slide is vertically provided with a vertical frame, and the vertical frame is provided with a second supporting plate. This application has the effect of being convenient for realize the fixed-position welding between each structural component spare.

Description

Automatic welding platform for lifting head

Technical Field

The application relates to the technical field of metal welding auxiliary tools, in particular to an automatic welding platform for a lifting head.

Background

The welding platform is a cast iron flat plate for supporting workpieces to be welded or a frame body with a horizontal plane operating platform, and can also be called as a welding flat plate, the working surface of the welding platform is a plane working platform or a working platform provided with a connecting groove for realizing workpiece connection and used for supporting the workpieces to be welded, and the welding platform or the welding flat plate has good heat resistance and corrosion resistance, so that the welding platform or the welding flat plate is widely applied to industrial production.

Referring to fig. 3, a lifting head for connecting a pulley of a conventional lifting machine is used for connecting the pulley with a lifting structural member of the lifting machine, and the lifting head moves together with the pulley relatively on the lifting machine along with the movement of the lifting machine. The lifting head comprises a channel steel 51, an end connecting plate 52, a pulley limiting plate 53 and a diagonal rib plate 54. The cross section of the end part connecting plate 52 is in an inverted L shape, one end of a vertical surface of the end part connecting plate abuts against one end of the channel steel 51, a first connecting hole 521 is arranged on the horizontal plane of the end part connecting plate 52, a second connecting hole 541 is arranged at one end of the diagonal rib plate 54, one end of the diagonal rib plate 54 abuts against the end part connecting plate 52, the first connecting hole 521 is communicated with the second connecting hole 541, the pulley limiting plate 53 abuts against the vertical surface of the end part connecting plate 52 perpendicularly, a third connecting hole 531 is arranged on the pulley limiting plate 53, the three connecting holes are communicated correspondingly, the lifting head is formed between the structural members through welding, and the pulley can be installed between the first connecting hole 521 and the third connecting hole 531 on the lifting head.

Because the position relation between each structural component of lifting head is more complicated, when leading to carrying out the welding shaping operation on traditional welded platform, the welding operation of each structural component's the hookup location department is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the realization of the positioning welding between each structural component, the application provides a lifting head automatic welding platform.

The application provides a lift first automatic weld platform adopts following technical scheme:

a lift head automatic welding platform, comprising:

the two supporting seats are vertically arranged, rotating discs are arranged at the upper ends of the two supporting seats in a rotating mode, and a driving piece capable of driving the rotating discs to rotate is arranged on at least one rotating disc;

the bearing frame is horizontally fixed between the two rotating discs and can rotate along with the rotating discs, and a cross beam is horizontally fixed at the position, close to one rotating disc, of the bearing frame;

the limiting sleeve is vertically fixed on the cross beam, a cylinder piston rod is connected in the limiting sleeve in a sliding manner, a first supporting plate is horizontally fixed at the end part of the piston rod and used for abutting against an end part connecting plate, a limiting part capable of limiting the positions of the inclined rib plate and the end part connecting plate on the first supporting plate is arranged on the first supporting plate, and the limiting sleeve is used for abutting against a pulley limiting plate;

the supporting rods are horizontally fixed at the middle position of the bearing frame and are used for abutting against the channel steel;

the sliding seat is arranged on the bearing frame and can slide on the bearing frame along the length direction of the bearing frame, a pressing plate is arranged on the sliding seat and horizontally arranged, and the pressing plate is used for pressing and holding the channel steel; the vertical upright frame is vertically arranged on the sliding seat, a second supporting plate is arranged on the upright frame and used for being abutted against the vertical side face of the channel steel close to one side of the sliding seat.

By adopting the technical scheme, the air cylinder piston rod drives the supporting plate to realize positioning and supporting of the end part connecting plate, the channel steel is horizontally placed on the supporting rod, the end part of the channel steel is abutted against the end part connecting plate, the pulley limiting plate is clamped between the limiting sleeve and the end part connecting plate, the end part connecting plate is abutted against the first supporting plate, the inclined rib plate, the end part connecting plate, the pulley limiting plate and the channel steel are limited at the positions of the limiting sleeve and the first supporting plate through the limiting part, then the pulley limiting plate is pressed on the upper side of the channel steel through the pressing plate, the channel steel is clamped between the supporting rod and the pressing plate, the stability of the channel steel on the supporting rod is enhanced, and at the moment, welding processing can be carried out to preliminarily weld all structural parts into a whole;

then make the second backup pad butt in the channel-section steel side, driving piece drive rolling disc rotates to make the rolling disc rotate and drive and accept the frame and tend to slide one side and rotate, make and accept the frame and rotate to when towards one side by upwards, realize the further welding shaping to the downside hookup location of each structure spare, so far accept and mutually support between frame, clamp plate, first backup pad, second backup pad and the locating part, be convenient for realize the fixed-position welding between each structural component spare.

Optionally, a threaded hole is formed in the first supporting plate, the limiting part comprises a screw rod, the screw rod is in threaded connection with the threaded hole, and the screw rod can penetrate through the first connecting hole, the second connecting hole and the third connecting hole.

Through adopting above-mentioned technical scheme, the channel-section steel supports and pushes away on the end connecting plate supports connects to first backup pad, wears to establish connecting hole one, connecting hole two and connecting hole three and threaded connection in the screw hole with the screw rod, realizes welding position and the spacing welding to deep floor, end connecting plate, pulley limiting plate and channel-section steel.

Optionally, both ends of the screw rod are in threaded connection with nuts.

Through adopting above-mentioned technical scheme, the nut realizes spacing to the screw rod, guarantees that screw rod and diagonal slab, end connection board, pulley limiting plate and channel-section steel are connected and are realized spacing welding.

Optionally, two columns are fixed on the sliding seat, the two columns are vertically arranged, one column upper end can penetrate through the pressing plate and is in threaded connection with a nut, the other column is coaxially provided with a threaded passage, and the other column upper end is in threaded connection with a fixing bolt, the end of the fixing bolt penetrates through the pressing plate and is in threaded connection with the threaded passage.

Through adopting above-mentioned technical scheme, make the clamp plate press and hold on the channel-section steel, screw up nut and fixing bolt realize that the clamp plate fastening is pressed and is held in the channel-section steel upside, realize fixed to the spacing centre gripping of channel-section steel.

Optionally, the sliding seat is provided with a plurality of puller bolts, the end portions of which can abut against the receiving frame, and the puller bolts are symmetrically arranged with the receiving frame as a symmetry axis.

Through adopting above-mentioned technical scheme, screw up each puller bolt, make each puller bolt all push up tightly on accepting the frame, realize the steadiness reinforcing of slide on accepting the frame, guarantee that the clamp plate stabilizes the centre gripping in the channel-section steel.

Optionally, a baffle is arranged between the two supporting seats, the baffle is arranged vertically, and the baffle is arranged along the length direction of the bearing frame and sheltered from one side of the bearing frame.

Through adopting above-mentioned technical scheme, the baffle realizes sheltering from to the waste material that spatters that welding process produced, will spatter the waste material and shelter from the regional centralized processing in baffle and supporting seat and accept and put up the restriction.

Optionally, the limiting sleeve is provided with a plurality of limiting bolts of which the end parts can abut against the piston rod of the cylinder.

Through adopting above-mentioned technical scheme, screw up spacing bolt, further inject the position of piston rod on spacing sleeve, realize spacing to first backup pad to the realization is to the stability reinforcing of the spacing support of work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cylinder piston rod drives the supporting plate to realize positioning and supporting of the end portion connecting plate, the channel steel is horizontally placed on the supporting rod, the end portion of the channel steel is abutted against the end portion connecting plate, the pulley limiting plate is clamped between the limiting sleeve and the end portion connecting plate, the end portion connecting plate is abutted against the first supporting plate, the inclined rib plate, the end portion connecting plate, the pulley limiting plate and the channel steel are limited at the positions of the limiting sleeve and the first supporting plate through the limiting part, then the end portion connecting plate is pressed on the upper side of the channel steel through the pressing plate, the channel steel is clamped between the supporting rod and the pressing plate, stability of the channel steel on the supporting rod is enhanced, and at the moment, welding processing can be carried out to preliminarily weld all structural parts into a whole; then the second support plate is abutted against the side face of the channel steel, the driving piece drives the rotating disc to rotate, and the rotating disc rotates to drive the bearing frame to rotate towards one side of the sliding seat, so that when the bearing frame rotates towards one side from the upward direction, the lower side connecting positions of the structural members are further welded and formed, and the bearing frame, the pressing plate, the first support plate, the second support plate and the limiting piece are mutually matched, so that the positioning welding among the structural members is conveniently realized;

2. the channel steel supports and pushes the end part connecting plate to be abutted to the first supporting plate, the screw rod penetrates through the first connecting hole, the second connecting hole and the third connecting hole and is in threaded connection with the threaded hole, the nut is screwed up to be abutted to the pulley limiting plate, the nut limits the screw rod, welding positioning and limiting welding of the inclined rib plate, the end part connecting plate, the pulley limiting plate and the channel steel are achieved, then the limiting bolt is screwed up, the position of the piston rod on the limiting sleeve is further limited, limiting of the first supporting plate is achieved, and accordingly stability of limiting support of the workpiece is enhanced;

3. tightening the jacking bolts to enable the jacking bolts to be tightly propped against the bearing frame, so that the stability of the sliding seat on the bearing frame is enhanced, and the pressing plate is guaranteed to be stably clamped in the channel steel; the pressing plate is pressed on the channel steel, the nut and the fixing bolt are screwed down, the pressing plate is tightly pressed on the upper side of the channel steel, and the channel steel is limited, clamped and fixed;

4. the baffle plate can shield splashed waste materials generated in the welding process, and the splashed waste materials are shielded in the limited areas of the baffle plate, the supporting seat and the bearing frame to be treated in a centralized mode.

Drawings

Fig. 1 is a schematic structural diagram of an overall automatic welding platform of a lifting head according to an embodiment of the present disclosure.

Fig. 2 is an exploded view of an automatic welding platform with a lift head according to an embodiment of the present disclosure.

FIG. 3 is a schematic diagram of a lift head automatic welding platform according to an embodiment of the present disclosure for highlighting a work piece of the lift head.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a base; 11. a supporting seat; 111. rotating the disc; 112. a receiving frame; 1121. a long rod; 11211. a support bar; 11212. a cross beam; 1122. a vertical plate; 113. a drive member; 12. a baffle plate; 2. a limiting sleeve; 21. a slipping channel; 22. a piston rod; 221. a first support plate; 2211. a threaded hole; 23. a limiting hole; 24. a limit bolt; 25. a screw; 3. a slide base; 31. a third support plate; 311. a column; 3111. a threaded passage; 31111. fixing the bolt; 312. pressing a plate; 3121. a connecting hole IV; 3122. connecting holes are formed; 32. tightening the bolt; 4. erecting a frame; 41. a vertical rod; 42. a cross bar; 421. a second support plate; 5. lifting the head workpiece; 51. channel steel; 52. an end connecting plate; 521. a first connecting hole; 53. a pulley limiting plate; 531. connecting a hole III; 54. an inclined rib plate; 541. and connecting the second hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses lifting head automatic weld platform.

Referring to fig. 1, lifting head automatic weld platform includes the base 1 that the level set up, 1 length direction both ends of base are vertical respectively to be fixed with a supporting seat 11, the one end that two supporting seat 11 upper ends are close to each other rotates and has two circular shape rolling discs 111, horizontal fixation has one between two rolling discs 111 to accept frame 112, it includes two stock 1121 that the level set up and the riser 1122 that is fixed in two stock 1121 tip to accept frame 112, and two riser 1122 are fixed in two rolling discs 111 middle part positions respectively, the cross section of stock 1121 and riser 1122 all is the rectangle. Two support seat 11 correspond a position of carousel 111 and are fixed with and can drive carousel 111 pivoted driving piece 113, and the output shaft of driving piece 113 wears to establish support seat 11 and is fixed in the middle part of carousel 111, and another carousel 111 rotates to be connected in another support seat 11, and accept frame 112 can rotate along with carousel 111, and driving piece 113 can adopt driving motor or servo motor.

Referring to fig. 1, two support bars 11211 are horizontally fixed at the middle positions of the two long rods 1121 in the length direction, the two support bars 11211 are used for abutting against the channel steel 51, a cross beam 11212 is horizontally fixed at a position where one end of the two support bars 11211 in the length direction is far away from the driving part 113, the cross beam 11212 is arranged between the support bars 11211 and a rotating disc 111, the cross beam 11212 is perpendicular to the two long rods 1121, and the cross section of the cross beam 11212 is rectangular.

Referring to fig. 1 and 2, a limiting sleeve 2 is vertically fixed at the upper end of the cross beam 11212, a sliding channel 21 communicated with the inside of the limiting sleeve 2 is formed in the position of the cross beam 11212 corresponding to the limiting sleeve 2, an air cylinder piston rod 22 capable of being connected in the sliding channel 21 in a sliding manner penetrates through the sliding channel 21, the air cylinder is vertically fixed on the lower side surface of the cross beam 11212, a rectangular plate-shaped first supporting plate 221 is horizontally fixed at the end part of the piston rod 22, and the first supporting plate 221 is abutted to the end connecting plate 52.

Referring to fig. 1 and 2, a plurality of limiting holes 23 are formed in the limiting sleeve 2 along the length direction of the limiting sleeve, the limiting holes 23 are vertically arranged, each limiting hole 23 can be in threaded connection with a limiting bolt 24, the end portion of each limiting bolt can abut against the cylinder piston rod 22, a limiting part capable of limiting the positions of the inclined rib plate 54 and the end portion connecting plate 52 on the first supporting plate 221 is arranged on the first supporting plate 221, and the limiting sleeve 2 is used for abutting against the pulley limiting plate 53.

Referring to fig. 1 and 3, the channel steel 51 is horizontally placed on the two support rods 11211, the end portion of the channel steel 51 abuts against the end portion connecting plate 52, the pulley limiting plate 53 is clamped between the limiting sleeve 2 and the end portion connecting plate 52, the first connecting hole 521, the second connecting hole 541 and the third connecting hole 531 are coaxially arranged and are communicated with each other, the air cylinder is started, the air cylinder piston rod 22 drives the first support plate 221 to vertically move until the end portion connecting plate 52 abuts against the first support plate 221, then the limiting bolt 24 is screwed, the position of the piston rod 22 on the limiting sleeve 2 is further limited, the first support plate 221 is limited, the stability of the first support plate 221 for limiting and supporting a workpiece is enhanced, and finally, the welding positioning and limiting of the inclined rib plate 54, the end portion connecting plate 52, the pulley limiting plate 53 and the channel steel 51 are achieved through the limiting parts.

Referring to fig. 2 and 3, a threaded hole 2211 is formed in the first support plate 221 at a position corresponding to the first connecting hole 521, the limiting member includes a screw rod 25, the screw rod 25 is in threaded connection with the threaded hole 2211, the screw rod 25 can penetrate through the first connecting hole 521, the second connecting hole 541 and the third connecting hole 531, and nuts are in threaded connection with the upper end and the lower end of the screw rod 25.

Referring to fig. 2 and 3, the channel steel 51 is abutted against the end connecting plate 52 and is abutted against the first supporting plate 221, the screw 25 is inserted into the first connecting hole 521, the second connecting hole 541 and the third connecting hole 531, and the first connecting hole 531 is in threaded connection with the threaded hole 2211, the oblique rib plate 54 is welded, the end connecting plate 52 is welded and limited, the pulley limiting plate 53 and the channel steel 51 are welded, then the two nuts are screwed to enable the two nuts to be abutted against the oblique rib plate 54 and the pulley limiting plate 53 respectively, so that the limit of the screw 25 is realized, the screw 25 is ensured to be connected with the oblique rib plate 54, the end connecting plate 52, the pulley limiting plate 53 and the channel steel 51, and the limit welding is realized.

Referring to fig. 1 and 4, a sliding base 3 is disposed between the two support rods 11211 and the long rod 1121, the sliding base 3 is sleeved on the long rod 1121 in a square sleeve structure, the sliding base 3 can slide between the two support rods 11211 along the length direction of the long rod 1121, and a third support plate 31 is fixed to the sliding base 3 and extends from the upper side surface of the sliding base 3.

Referring to fig. 1 and 4, two upright posts 311 are vertically fixed on the third supporting plate 31, the two upright posts 311 are vertically arranged, the arrangement direction of the two upright posts 311 is perpendicular to the length direction of the long rod 1121, the upper end of the upright post 311 near one side of the first supporting plate 221 is provided with a screw thread and is in threaded connection with a nut, a threaded passage 3111 is coaxially arranged on the other upright post 311, and a fixing bolt 31111 is in threaded connection with the threaded passage 3111.

Referring to fig. 1 and 4, the upper ends of the two upright posts 311 are provided with a pressing plate 312, the pressing plate 312 is horizontally disposed, the pressing plate 312 is disposed along the arrangement direction of the two upright posts 311, one end of the pressing plate 312 close to the first supporting plate 221 extends out, the pressing plate 312 is provided with four connecting holes 3121 and five connecting holes 3122 corresponding to the two upright posts 311, the pressing plate 312 is respectively in threaded connection with the fixing bolt 31111 and in threaded connection with the upright posts 311, and the pressing plate 312 is used for pressing and supporting the channel steel 51 horizontally disposed on the two supporting rods 11211.

Referring to fig. 1 and 4, after the screw 25 limits the inclined rib plate 54 and the like, the pressing plate 312 is pressed against the upper side surface of the channel steel 51, the nut and the fixing bolt 31111 are tightened to make the pressing plate 312 abut against the upper side surface of the channel steel 51, and the upright column 311 and the fixing bolt 31111 realize that the pressing plate 312 is fastened and pressed against the upper side surface of the channel steel 51, so that the channel steel 51 is clamped and fixed in a limited manner, and the stability of the channel steel 51 on the bearing frame 112 is enhanced.

Referring to fig. 3 and 4, a plurality of tightening bolts 32 having end portions capable of abutting against the receiving frame 112 are screwed to the upper and lower side surfaces of the slide base 3, and the tightening bolts 32 are symmetrically disposed with respect to the long rod 1121 as a symmetry axis. After the position of the sliding base 3 on the long rod 1121 is adjusted to the position that the pressing plate 312 presses and holds the upper side of the channel steel 51, the tightening bolts 32 are screwed down, so that the tightening bolts all tightly prop on the long rod 1121, the tightening bolts 32 enhance the stability of the sliding base 3 on the long rod 1121, and the pressing plate 312 is guaranteed to be stably clamped on the channel steel 51.

Referring to fig. 1 and 4, in order to further ensure the stability of each structural member when tending to be close to one side of the sliding base 3 and rotating on the bearing frame 112, a vertical frame 4 is vertically fixed on one side of the third support plate 31 close to the driving member 113, the vertical frame 4 includes a vertical rod 41 and a cross rod 42 fixed to the vertical rod 41, the cross sections of the vertical rod 41 and the cross rod 42 are rectangular, one end of the cross rod 42 extends out close to one side of the channel steel 51, a second support plate 421 of a rectangular plate-shaped structure is fixed on the extending end of the cross rod 42, the second support plate 421 is vertically arranged, the length direction of the second support plate 421 is parallel to the length direction of the long rod 1121, and the second support plate 421 is used for abutting against the vertical side face of the channel steel 51 close to one side of the sliding base 3.

Referring to fig. 1 and 4, the second supporting plate 421 abuts against the side surface of the channel steel 51 close to the side surface of the second supporting plate 421, when the driving member 113 drives the rotating disc 111 to rotate, the rotating disc 111 drives the receiving frame 112 to tend to rotate towards one side of the sliding seat 3, the receiving frame 112 is made to rotate upwards towards one side, the side surface of the channel steel 51 is rotated to the upward position for welding, the stand 4 and the second supporting plate 421 realize stable support of the channel steel 51, further welding forming of each structural member is facilitated, and therefore the receiving frame 112, the pressing plate 312, the first supporting plate 221, the second supporting plate 421 and the limiting member are matched with each other, and positioning welding between each structural member is facilitated.

Referring to fig. 2, baffle 12 is provided between two supporting seats 11, baffle 12 is vertical to be set up, and baffle 12 shelters from the setting of accepting frame 112 one side along accepting frame 112 length direction, and baffle 12 lower extreme is fixed in base 1, and the baffle 12 downside is curved face, and baffle 12 upper end can butt in two riser 1122. The baffle plate 12 shields the spattered scrap generated in the welding process, and the spattered scrap is shielded in the region limited by the baffle plate 12, the support base 11 and the receiving frame 112 and is intensively treated.

The implementation principle of the automatic welding platform for the lifting head in the embodiment of the application is as follows: place channel-section steel 51 level on bracing piece 11211, make channel-section steel 51 tip butt in end connection board 52, with pulley limiting plate 53 centre gripping between spacing sleeve 2 and end connection board 52, make connecting hole 521, connecting hole two 541 and the three 531 coaxial line setting of connecting hole, and with end connection board 52 butt on first backup pad 221, start the cylinder, cylinder piston rod 22 drives first backup pad 221 and realizes the location support to end connection board 52, realize diagonal rib plate 54 in the nut through screw rod 25, end connection board 52, pulley limiting plate 53 and channel-section steel 51 are spacing at spacing sleeve 2 positions, again with stop bolt 24 top tight in piston rod 22, make the stability reinforcing of first backup pad 221 to the spacing support of end connection board 52.

Then tighten jack bolt 32, it is spacing to slide 3, make fixing bolt 31111 and nut respectively butt in clamp plate 312 again, press through clamp plate 312 and hold in channel-section steel 51 upside, with channel-section steel 51 centre gripping between bracing piece 11211 and clamp plate 312, realize strengthening the stability of channel-section steel 51 on bracing piece 11211, can weld processing at this moment and tentatively weld each structure as a whole.

Finally, the second support plate 421 abuts against the side surface of the channel steel 51, the driving member 113 drives the rotating disc 111 to rotate, and the rotating disc 111 drives the receiving frame 112 to tend to rotate towards one side of the sliding seat 3, so that when the receiving frame 112 rotates upwards to one side, further welding and forming of each structural component is realized, the second support plate 421 realizes stable support of the channel steel 51, and the receiving frame 112, the pressing plate 312, the first support plate 221, the second support plate 421 and the limiting member are matched with each other, thereby facilitating positioning and welding of each structural component.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a lift first automatic weld platform which characterized in that includes:

the two supporting seats (11) are vertically arranged, rotating discs (111) are respectively arranged at the upper ends of the two supporting seats (11) in a rotating mode, and a driving piece (113) capable of driving the rotating discs (111) to rotate is arranged on at least one rotating disc (111);

the bearing frame (112) is horizontally fixed between the two rotating discs (111), the bearing frame (112) can rotate along with the rotating discs (111), and a cross beam (11212) is horizontally fixed at the position, close to one rotating disc (111), of the bearing frame (112);

the limiting sleeve (2) is vertically fixed to the cross beam (11212), a cylinder piston rod (22) is connected to the limiting sleeve (2) in a sliding mode, a first supporting plate (221) is horizontally fixed to the end portion of the piston rod (22), the first supporting plate (221) is used for abutting against an end portion connecting plate (52), a limiting piece capable of limiting the positions of the inclined rib plate (54) and the end portion connecting plate (52) on the first supporting plate (221) is arranged on the first supporting plate (221), and the limiting sleeve (2) is used for abutting against a pulley limiting plate (53);

a plurality of support rods (11211) horizontally fixed at the middle position of the bearing frame (112), wherein the support rods (11211) are used for abutting against the channel steel (51);

the sliding seat (3) is arranged on the bearing frame (112), the sliding seat (3) can slide on the bearing frame (112) along the length direction of the bearing frame (112), a pressing plate (312) is arranged on the sliding seat (3), the pressing plate (312) is horizontally arranged, and the pressing plate (312) is used for pressing and holding the channel steel (51); the vertical grudging post (4) that is provided with on slide (3), be provided with second backup pad (421) on grudging post (4), second backup pad (421) are used for the butt in the vertical side of being close to channel-section steel (51) of slide (3) one side.

2. The lift head automated welding platform of claim 1, wherein: be provided with screw hole (2211) on first backup pad (221), the locating part includes screw rod (25), screw rod (25) threaded connection in screw hole (2211), connecting hole one (521), connecting hole two (541) and connecting hole three (531) can be worn to locate in screw rod (25).

3. The automatic welding platform for the lifting head as claimed in claim 2, wherein: and nuts are in threaded connection with both ends of the screw rod (25).

4. The automatic welding platform of the lifting head as claimed in claim 1, wherein: be fixed with two stand (311) on slide (3), two stand (311) vertical range sets up, one stand (311) upper end can be worn to establish clamp plate (312) and threaded connection have a nut, another coaxial threaded passage (3111) that is provided with on stand (311), another stand (311) upper end threaded connection has the tip to wear to establish clamp plate (312) and threaded connection in threaded passage (3111) fixing bolt (31111).

5. The automatic welding platform of the lifting head as claimed in claim 1, wherein: the sliding seat (3) is provided with a plurality of puller bolts (32) with the end parts capable of being abutted against the bearing frame (112), and the puller bolts (32) are symmetrically arranged by taking the bearing frame (112) as a symmetry axis.

6. The lift head automated welding platform of claim 1, wherein: a baffle (12) is arranged between the two supporting seats (11), the baffle (12) is vertically arranged, and the baffle (12) is arranged on one side of the bearing frame (112) in a manner of being shielded in the length direction of the bearing frame (112).

7. The lift head automated welding platform of claim 1, wherein: the limiting sleeve (2) is provided with a plurality of limiting bolts (24) of which the end parts can be abutted against the cylinder piston rod (22).

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