Gantry hook lifting appliance convenient to maintain

Abstract

The utility model relates to the technical field of gantry hook lifting appliances, and provides a gantry hook lifting appliance convenient to maintain, which comprises a gantry hook lifting appliance body, the gantry hook lifting appliance body consists of connecting pieces, lifting hooks, a cross beam and lifting pieces, the lifting pieces are arranged on the cross beam, the connecting pieces are symmetrically arranged at the bottom end of the cross beam, the lifting hooks are hinged on the connecting pieces, and the lifting hooks are arranged on the cross beam. The two sides of the top end of the cross beam are each provided with a lubricating structure used for lubricating the connecting position of the connecting piece and the lifting hook, each lubricating structure comprises lubricating pipes installed on the two sides of the top end of the cross beam, and sponge pads and sealing plugs installed on the lubricating pipes are installed in the lubricating pipes. According to the lubricating structure, the valve is opened, and lubricating oil in the lubricating pipe slowly flows into the main lubricating channel after being filtered by the sponge pad and flows to the joint of the lifting hook and the connecting piece through the branch lubricating channel, so that the aim of lubricating the lifting hook is fulfilled, and the abrasion between the lifting hook and the connecting piece is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gantry hook lifting appliance technical field, in particular to a convenient maintenance's gantry hook lifting appliance. BACKGROUND

[0002] With the continuous development of hoisting industry, the types of lifting appliance are more and more, lifting appliance refers to the device of hoisting machinery, including chain type lifting appliance, gantry hook lifting appliance, tong type lifting appliance etc., wherein gantry hook lifting appliance is mainly used for the hoisting of various steel plant intermediate tank, hot metal tank, ladle, its structure is simple, convenient operation, hoisting safety.

[0003] Therefore, the patent with the authorization announcement number CN213387400U discloses a gantry hook lifting appliance, which comprises a crossbeam, a pulley block and two lifting hooks, a cavity is arranged in the middle of the crossbeam, the pulley block is installed in the cavity, and the pulley block is connected with the lifting mechanism of the crane through a steel wire rope; one lifting hook is arranged at each end of the crossbeam, the two lifting hooks are symmetrically arranged, and the front end face and the rear end face of the crossbeam are each provided with a distance adjusting through hole for transverse movement of the corresponding lifting hook; the lifting appliance has the advantages of small upper limit and adjustable distance between the two lifting hooks.

[0004] The existing gantry hook lifting appliance is prone to wear and tear between the lifting hook and the connecting piece during use, which will affect the use effect of the gantry hook lifting appliance and reduce its working efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a convenient maintenance's gantry hook lifting appliance to solve the defect that the lifting hook and the connecting piece of the existing convenient maintenance's gantry hook lifting appliance are prone to wear and tear.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a convenient maintenance's gantry hook lifting appliance, including gantry hook lifting appliance body, the gantry hook lifting appliance body is by connecting piece, lifting hook, crossbeam and lifting piece composition, the lifting piece is installed on the crossbeam, the connecting piece is symmetrically installed at the bottom of the crossbeam, the connecting piece is hinged with the lifting hook, the both sides of the top of the crossbeam are provided with the lubricating structure for the connecting piece and the connecting place of the lifting hook are lubricated, the lubricating structure includes the lubricating pipe that is installed on the both sides of the top of the crossbeam, the inside installation of the lubricating pipe has the sponge pad, the sealing plug that is installed on the lubricating pipe, the main lubricating channel that is installed at the bottom of the lubricating pipe, the valve door is installed on the main lubricating channel, and the branch lubricating channel is symmetrically installed at the bottom of the main lubricating channel, the inside of the lifting hook is provided with the protection structure, and one end of the lifting hook is provided with the limit structure.

[0007] Preferably, the limit structure comprises a limit hook, a pivot and a fixing piece, the limit hook is hinged to one end of the lifting hook through the pivot, and the fixing pieces are uniformly installed on one side of the one end of the lifting hook.

[0008] Through the above structure, the lifting object can be limited, and the stability during lifting can be further improved.

[0009] Preferably, the fixing member has a plurality of arc-shaped distribution on one side of the one end of the lifting hook.

[0010] Through the above structure, the lifting object of different sizes can be limited.

[0011] Preferably, the protection structure comprises a positioning groove, an anti-skid member and a fixing bolt, the positioning groove is arranged on the inner side of the lifting hook, the anti-skid member is arranged at one end of the positioning groove, and the anti-skid member is fixed by the fixing bolt.

[0012] Through the above structure, the stability during lifting can be improved, and the lifting hook can be protected.

[0013] Preferably, one end of the anti-skid member is clamped into the positioning groove and forms a clamping structure.

[0014] Through the above structure, the stability of the anti-skid member can be improved.

[0015] Preferably, the inner side of the anti-skid member is provided with an anti-skid pattern.

[0016] Through the above structure, the friction between the lifting object and the lifting hook can be increased, and the stability during lifting can be improved.

[0017] Preferably, the branch lubricating channel is inclined.

[0018] Through the above structure, the lubricating oil can flow to the connection between the lifting hook and the connecting member.

[0019] The gantry hook lifting appliance provided by the utility model has the advantages of convenient maintenance.

[0020] The lubricating structure can lubricate the connection between the lifting hook and the connecting member, reduce the abrasion between the lifting hook and the connecting member, the protection structure can improve the stability during lifting and protect the lifting hook, during maintenance, only the anti-skid member needs to be replaced, the cost is reduced, the limiting structure can limit the lifting object, and the stability during lifting can be further improved.

[0021] Through the lubricating structure, the valve is opened, the lubricating oil in the lubricating pipe is filtered by the sponge pad, slowly flows into the main lubricating channel, and flows to the connection between the lifting hook and the connecting member through the branch lubricating channel, so that the lubricating purpose is achieved, and the abrasion between the lifting hook and the connecting member is reduced.

[0022] By setting the limiting structure, the rotating limiting hook is clamped on the fixing member at different positions, the purpose of limiting the lifting object can be achieved, the stability during lifting is further improved, and the situation that the lifting object slips off the lifting hook is avoided.

[0023] By setting the protection structure, the anti-skid member can increase the friction between the lifting object and the lifting hook, improve the stability during lifting, and also play a certain protection role on the lifting hook, reduce the wear between the lifting object and the lifting hook, and only need to replace the anti-skid member during maintenance, thereby reducing the cost. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a front view structural schematic diagram of the utility model;

[0025] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0026] Figure 3 It is a lifting hook local side view sectional structural schematic diagram of the utility model;

[0027] Figure 4 It is a Figure 2 It is an enlarged structural schematic diagram of A in the utility model;

[0028] Figure 5 It is a lubricating structure front view sectional structural schematic diagram of the utility model.

[0029] The reference signs in the drawing are explained as follows: 1, portal hook lifting appliance body; 11, connecting piece; 12, lifting hook; 13, cross beam; 14, lifting piece; 2, limiting structure; 21, limiting hook; 22, rotating shaft; 23, fixing member; 3, protection structure; 31, positioning groove; 32, anti-skid member; 33, fixing bolt; 4, lubricating structure; 41, branch lubricating channel; 42, main lubricating channel; 43, valve; 44, sponge pad; 45, lubricating pipe; 46, sealing plug. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figures 1-5 The utility model provides a kind of portal hook lifting appliance of convenient maintenance, including portal hook lifting appliance body 1.

[0032] Refer to Figures 1-5As shown, the portal hook lifting appliance body 1 is composed of connecting pieces 11, hooks 12, crossbeams 13 and lifting pieces 14, the lifting pieces 14 are installed on the crossbeams 13, the connecting pieces 11 are symmetrically installed at the bottom ends of the crossbeams 13, and the hooks 12 are hinged on the connecting pieces 11.

[0033] As shown, the portal hook lifting appliance body 1 is composed of connecting pieces 11, hooks 12, crossbeams 13 and lifting pieces 14, the lifting pieces 14 are installed on the crossbeams 13, the connecting pieces 11 are symmetrically installed at the bottom ends of the crossbeams 13, and the hooks 12 are hinged on the connecting pieces 11.

[0034] As shown, the portal hook lifting appliance body 1 is composed of connecting pieces 11, hooks 12, crossbeams 13 and lifting pieces 14, the lifting pieces 14 are installed on the crossbeams 13, the connecting pieces 11 are symmetrically installed at the bottom ends of the crossbeams 13, and the hooks 12 are hinged on the connecting pieces 11.

[0035] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , one end of the hook 12 is provided with a limiting structure 2, the limiting structure 2 is used for limiting the lifting object and improving the stability of lifting, the limiting structure 2 comprises limiting hooks 21, rotating shafts 22 and fixing pieces 23, the limiting hooks 21 are hinged on one end of the hook 12 through the rotating shafts 22, and the fixing pieces 23 are uniformly installed on one side of the one end of the hook 12, the fixing pieces 23 are a plurality of and are arranged in an arc shape on one side of the one end of the hook 12.

[0036] The limiting hooks 21 are rotated and clamped on the fixing pieces 23 at different positions, so that the lifting object of different sizes can be limited, the stability during lifting is further improved, and the situation that the lifting object slips off the hook 12 is avoided.

[0037] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the inner side of the hook 12 is provided with a protection structure 3, the protection structure 3 is used for protecting the hook 12 and improving the service life of the hook 12, the protection structure 3 comprises positioning grooves 31, anti-skid pieces 32 and fixing bolts 33, the positioning grooves 31 are formed in the inner side of the hook 12, the anti-skid pieces 32 are installed at one end of the positioning grooves 31, one end of the anti-skid pieces 32 is clamped into the positioning grooves 31 and forms a clamping structure with the positioning grooves 31, the inner side of the anti-skid pieces 32 is provided with anti-skid lines, and the anti-skid pieces 32 are fixed through the fixing bolts 33.

[0038] The anti-skid piece 32 can increase the friction with the hoisted object, improve the stability during hoisting, and also can play a certain protection role on the hook 12, reduce the wear between the hoisted object and the hook 12, and when maintaining, the fixing bolt 33 is removed, the anti-skid piece 32 is removed, the anti-skid piece 32 is replaced, and the hook 12 does not need to be replaced, so that the cost is reduced.

[0039] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gantry hook lifting appliance convenient to maintain, comprising a gantry hook lifting appliance body (1); Its characterized in that: The gantry hook lifting appliance body (1) is composed of connecting pieces (11), hooks (12), crossbeams (13) and lifting pieces (14), the lifting pieces (14) are installed on the crossbeams (13), the connecting pieces (11) are symmetrically installed at the bottom ends of the crossbeams (13), and the hooks (12) are hingedly connected to the connecting pieces (11); The top ends of the crossbeams (13) are provided with lubricating structures (4) for lubricating the connecting portions of the connecting pieces (11) and the hooks (12) on the two sides; The lubricating structure (4) comprises lubricating pipes (45) installed on the top ends of the crossbeams (13), sponge pads (44) installed in the lubricating pipes (45), sealing plugs (46) installed on the lubricating pipes (45), main lubricating channels (42) installed at the bottom ends of the lubricating pipes (45), valves (43) installed on the main lubricating channels (42) and branch lubricating channels (41) symmetrically installed at the bottom ends of the main lubricating channels (42); The inner side of the hook (12) is provided with a protection structure (3), and one end of the hook (12) is provided with a limiting structure (2).

2. A conveniently maintainable spreader bar hanger as claimed in claim 1, wherein: The limiting structure (2) comprises limiting hooks (21), pivots (22) and fixing pieces (23), the limiting hooks (21) are hingedly connected to one end of the hook (12) through the pivots (22), and the fixing pieces (23) are uniformly installed on one side of the one end of the hook (12).

3. A conveniently maintainable spreader bar hanger according to claim 2, characterized in that: The fixing pieces (23) are arranged in an arc shape on one side of the one end of the hook (12).

4. A conveniently maintainable spreader bar hanger as claimed in claim 1, wherein: The protection structure (3) comprises positioning grooves (31), anti-skid pieces (32) and fixing bolts (33), the positioning grooves (31) are formed in the inner side of the hook (12), the anti-skid pieces (32) are installed at one end of the positioning grooves (31), and the anti-skid pieces (32) are fixed through the fixing bolts (33).

5. A conveniently maintainable spreader bar hanger according to claim 4, characterized in that: One end of the anti-skid piece (32) is clamped into the positioning groove (31) and forms a clamping structure with the positioning groove (31).

6. A conveniently maintainable spreader bar hanger as claimed in claim 4, wherein: The inner side of the anti-skid piece (32) is provided with anti-skid lines.

7. A conveniently maintainable spreader bar hanger as claimed in claim 1, wherein: The branch lubricating channel (41) is an inclined structure.

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