CN217756448U - Low-speed engine piston head automatic lifting tool convenient to lift - Google Patents

Abstract

The utility model discloses an automatic lifting means technical field's a low-speed engine piston head automatic lifting means convenient to lift by crane, include: the outer wall of the lifting frame is provided with a plurality of groups of lifting arms, and the lifting arms are provided with guide ports; the clamping jaw piece is arranged in the guide opening in a sliding manner and is used for being clamped into the groove in the outer wall of the piston head; and the adjusting part is arranged on the lifting frame and is used for driving the plurality of groups of clamping jaw pieces to synchronously slide. This technical scheme is provided with the adjustment portion on the gallows, need not artifical regulation and control one by one on the one hand, reduces artifical use burden, and on the other hand can be so that this promotion instrument is applicable to the promotion of different diameter piston heads, and greatly reduced use cost has reduced the operation complexity when assembling and maintaining.

Description

Low-speed engine piston head automatic lifting tool convenient to lift

Technical Field

The utility model relates to an automatic lifting tool technical field specifically is a low-speed engine piston head automatic lifting tool convenient to lift by crane.

Background

The piston assembly needs to be lifted when the low-speed machine is assembled, overhauled and maintained, the side face of the piston head of the existing piston assembly is provided with a plurality of groove-type fixing points, after a special lifting tool is connected with external lifting equipment, the piston head is lifted by the lifting equipment and the lifting tool through clamping claws on the lifting tool on the groove-type fixing points on the piston head.

However, different cylinder diameters of low-speed machines are different, namely the diameters of matched piston heads are different, and most of the positions of the clamping jaws in the existing lifting tool are fixed at specified positions, namely the clamping jaws are only suitable for piston heads of one specification, so that different lifting tools are required to be adopted when the piston heads of different specifications are lifted, and the use cost is increased while the use is troublesome. Therefore, the low-speed engine piston head automatic lifting tool convenient for lifting is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-speed engine piston head automatic lifting tool convenient to lift by crane to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low speed machine piston head automatic lifting tool for facilitating lifting, comprising:

the outer wall of the lifting frame is provided with a plurality of groups of lifting arms, and the lifting arms are provided with guide ports;

the clamping claw piece is arranged in the guide opening in a sliding mode and is used for being clamped into the groove in the outer wall of the piston head; and (c) a second step of,

and the adjusting part is arranged on the lifting frame and used for driving the plurality of groups of clamping jaw pieces to synchronously slide.

In a further improvement, the adjusting section includes:

the support ring is fixedly arranged on the lifting frame;

the screw penetrates through the clamping jaw piece in a threaded manner, the clamping jaw piece is driven to move in the guide port when the screw rotates, and one end of the screw is connected with the outer end of the lifting arm through a bump;

the follow-up gear is fixedly sleeved at the other end of the screw and used for driving the screw to rotate; and (c) a second step of,

the driving disc is sleeved on the outer wall of the supporting ring in a rotating mode, and the annular array on the driving disc is provided with teeth for driving the plurality of groups of follow-up gears to rotate synchronously in the same direction.

In a further improvement, the adjusting section further includes:

the follow-up ring is detachably fixed on the driving disc and is coaxial with the driving disc;

the gear ring is fixedly arranged on the inner wall of the follow-up ring and is arranged above the support ring; and (c) a second step of,

and the driving device is arranged on the lifting frame, and the output end of the driving device is provided with a driving gear for driving the gear ring to rotate.

In a further refinement, the jaw member includes:

the connecting block is arranged in the guide port in a sliding manner, and the screw threads penetrate through the connecting block; and the number of the first and second groups,

the supporting block is detachably fixed on the connecting block, and a clamping part is arranged on the supporting block and is used for being clamped into the groove in the outer wall of the piston head.

The further improvement is that a hook connecting part is arranged on the lifting frame and at the position on the inner side of the support ring and is used for being connected with external lifting equipment.

The further improvement is that the lifting arms are provided with at least three groups, and the three groups of lifting arms are arranged on the outer wall of the lifting frame in an annular array.

In summary, the present application discloses a low speed machine piston head automatic lifting tool that facilitates lifting.

This technical scheme is provided with the adjustment portion on the gallows that rises, through drive arrangement, drive gear, ring gear and follow-up ring drive driving-disc are rotatory, the synchronous equidirectional rotation of multiunit follow-up gear, and then make the screw rod drive corresponding jack catch spare and remove, realize the synchronous regulation and control of multiunit jack catch spare, so that jack catch spare card goes into in the recess of piston head outer wall, on the one hand need not artifical regulation and control one by one, reduce artifical use burden, on the other hand can be so that this lifting means is applicable to the promotion work of different diameter piston heads, greatly reduced use cost, the operation complexity when having reduced assembly and maintenance.

Drawings

FIG. 1 is a perspective view of the automatic lifting tool for the piston head of the low-speed machine convenient for lifting of the present invention;

FIG. 2 is a perspective view of an adjusting part of the automatic lifting tool for a low-speed machine piston head for facilitating lifting of the present invention;

fig. 3 is a perspective view of another perspective structure of fig. 2 according to the present invention;

fig. 4 is a perspective view of the jaw member structure of the low-speed machine piston head automatic lifting tool convenient for lifting.

In the figure: 1. lifting the hanger; 11. a guide port; 2. a hook attachment member; 3. a jaw member; 31. connecting blocks; 32. a support block; 321. a snap-in portion; 4. an adjustment part; 41. a support ring; 42. a drive plate; 43. a follower gear; 44. a screw; 45. a follower ring; 46. a toothed ring; 47. a drive device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a low speed machine piston head automatic lifting tool for facilitating lifting comprises: a lifting frame 1, a lifting hook connecting part 2, a clamping jaw piece 3 and an adjusting part 4;

the outer wall of the lifting frame 1 is provided with a plurality of groups of lifting arms, the groups of lifting arms are arranged on the outer wall of the lifting frame 1 in an annular array, the lifting arms and the lifting frame 1 can be integrally formed or welded, in the embodiment, the number of the lifting arms is at least three, guide ports 11 are formed in the lifting arms in a penetrating mode, and the guide ports 11 are radially arranged on the lifting arms;

the lifting hook connecting part 2 is fixedly arranged in the center of the top of the lifting frame 1 and is used for being connected with external lifting equipment to carry out lifting and transferring operation of the piston head of the low-speed machine, and the lifting hook connecting part can be a lifting lug and the like;

the clamping jaw piece 3 is arranged in the guide opening 11 in a sliding mode and can move along the guide opening 11, and the using position can be adjusted conveniently according to the diameter of a piston head to be lifted;

the adjusting part 4 is arranged at the top of the lifting frame 1 and used for driving the multiple groups of clamping jaw pieces 3 to synchronously slide in the same direction and be clamped into the groove of the outer wall of the piston head to be lifted, and the groove of the outer wall of the piston head belongs to the prior art, such as the following disclosure: proposed in CN 209052277U: the utility model provides a marine low-speed machine piston assembly lifts by crane frock, discloses in the specification: the lower end of the upright post is provided with a hanging opening for hanging and buckling grooves around the marine low-speed engine piston assembly, and detailed description is omitted.

Example 2

Referring to fig. 4, the jaw member 3 includes: a connecting block 31, a supporting block 32 and a clamping part 321;

wherein, the connecting block 31 is I-shaped, the middle part thereof is arranged in the guide opening 11 and can not be separated from the guide opening 11;

the supporting block 32 is preferably detachably fixed at the bottom of the connecting block 31 by adopting bolt fixing parts and can be conveniently replaced when being damaged;

and a clamping part 321 for clamping into a groove of the outer wall of the piston head to be hoisted.

Example 3

Referring to fig. 2-3, the adjusting part 4 includes: support ring 41, drive disk 42, follower gear 43, and screw 44;

wherein, the support ring 41 is fixed at the center of the top of the lifting frame 1, and the support ring 41 is arranged at the outer side of the hook connecting part 2;

a driving disk 42, which can be movably sleeved on the outer wall of the supporting ring 41 by using a bearing, wherein the bottom of the driving disk 42 is provided with teeth in an annular array for driving a following gear 43 which will be described in detail below;

the follow-up gears 43 are the same in number as the lifting arms and correspond to the lifting arms one by one, namely three groups of lifting arms are provided, the follow-up gears 43 are also provided, the follow-up gears 43 are arranged on the inner side above the lifting arms and meshed with teeth at the bottom of the driving disc 42, and when the driving disc 42 rotates, the plurality of groups of follow-up gears 43 can synchronously rotate in the same direction;

the screw 44 is fixedly sleeved at the inner end of the screw 44 by the following gear 43, the screw 44 penetrates through the connecting block 31 on the corresponding lifting arm and then is rotationally connected with the lug fixed at the outer end of the top of the lifting arm, the screw 44 is driven to rotate by the following gear 43, and the screw 44 drives the connecting block 31 to move in the guide port 11;

a nut (not shown in the figure) is fixedly embedded on the connecting block 31, the connecting block 31 is in threaded fit with the screw 44 through the nut, so that the screw 44 rotates to drive the connecting block 31 to move, of course, the connecting block 31 can also be realized by arranging an internal threaded hole to be in threaded fit with the external thread on the outer wall of the screw 44, and the like, which is not limited herein.

Example 4

Referring to fig. 2-3, the adjusting part 4 further comprises: a follower ring 45, a ring gear 46, and a drive device 47;

wherein, the follower ring 45 can be fixed on the top of the driving disk 42 by adopting a bolt fixing part, and the follower ring 45 and the driving disk 42 have the same axle center and are used for driving the driving disk 42 to rotate;

the gear ring 46 is fixed on the top of the inner wall of the follow-up ring 45, the gear ring 46 is also positioned above the support ring 41 and is used for being meshed with the driving gear, and the driving gear drives the gear ring 46 to enable the follow-up ring 45 to drive the driving disc 42 to rotate;

the driving device 47 is preferably a micro servo motor, the driving gear is fixedly sleeved at the output end of the driving device 47, the driving gear is controlled to rotate by the driving device 47, meanwhile, the driving device 47 is fixed at the top of the lifting frame 1 and is arranged in the supporting ring 41, and the driving device 47 is also arranged outside the hook connecting part 2, so that the driving device and the hook connecting part do not interfere with each other.

Alternatively, the drive means 47 may be remotely controlled.

In summary, the working principle of the low-speed automatic lifting tool for the piston head of the engine convenient to lift is as follows, when the tool is used, electrical components in the tool are connected with an external power supply through wires, the lifting tool is connected with external lifting equipment through the hook connecting component 2 and then corresponds to the piston head to be lifted and transferred, the driving device 47 is opened, the driving device 47 controls the driving gear to rotate, the driving gear enables the gear ring 46 and the follower ring 45 to rotate, the driving disc 42 rotates to drive the plurality of sets of follower gears 43 to synchronously rotate in the same direction, at the moment, the screw 44 drives the corresponding clamping claw piece 3 to move until the clamping part 321 enters the groove of the outer wall of the piston head to be lifted, and the piston head can be lifted and transferred to the required processing position through the external lifting equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (6)

1. A low speed machine piston head automatic lifting tool facilitating lifting, comprising:

the crane comprises a lifting frame (1), wherein the outer wall of the lifting frame (1) is provided with a plurality of groups of lifting arms, and the lifting arms are provided with guide ports (11);

the clamping claw piece (3) is arranged in the guide opening (11) in a sliding mode and is used for being clamped into the groove in the outer wall of the piston head; and the number of the first and second groups,

and the adjusting part (4) is arranged on the lifting frame (1) and is used for driving the plurality of groups of clamping jaw pieces (3) to synchronously slide.

2. The low speed machine piston head automatic lifting tool for facilitating lifting according to claim 1, wherein: the adjustment unit (4) includes:

a support ring (41) fixedly arranged on the lifting frame (1);

the screw (44) penetrates through the clamping jaw piece (3) in a threaded manner, the screw (44) drives the clamping jaw piece (3) to move in the guide opening (11) when rotating, and one end of the screw (44) is connected with the outer end of the lifting arm through a bump;

the follow-up gear (43) is fixedly sleeved at the other end of the screw rod (44) and is used for driving the screw rod (44) to rotate; and the number of the first and second groups,

the driving disc (42) is sleeved on the outer wall of the supporting ring (41) in a rotating mode, and a plurality of groups of follow-up gears (43) are arranged on the driving disc (42) in an annular array mode to drive the teeth to rotate in the same direction synchronously.

3. The low speed machine piston head automatic lifting tool for facilitating lifting according to claim 2, wherein: the adjustment unit (4) further includes:

the follow-up ring (45) is detachably fixed on the driving disc (42) and is coaxial with the driving disc (42);

the gear ring (46) is fixedly arranged on the inner wall of the follow-up ring (45) and is arranged above the support ring (41); and the number of the first and second groups,

and the driving device (47) is arranged on the lifting frame (1), and the output end of the driving device (47) is provided with a driving gear for driving the gear ring (46) to rotate.

4. The low speed machine piston head automatic lifting tool for facilitating lifting according to claim 2, wherein: the jaw member (3) comprises:

the connecting block (31) is arranged in the guide opening (11) in a sliding mode, and the screw rod (44) penetrates through the connecting block (31) in a threaded mode; and the number of the first and second groups,

supporting shoe (32), can dismantle to be fixed on connecting block (31), be provided with card portion (321) of going into on supporting shoe (32) for go into in the recess of card piston head outer wall.

5. The low speed machine piston head automatic lifting tool for facilitating lifting according to claim 1, wherein: and a hook connecting part (2) is arranged on the lifting frame (1) and is arranged at the inner side of the support ring (41) and is used for being connected with external lifting equipment.

6. The low speed machine piston head automatic lifting tool for facilitating hoisting according to claim 1, wherein: the lifting arms are at least provided with three groups, and the three groups of lifting arms are arranged on the outer wall of the lifting frame (1) in an annular array.

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