Hoisting structure of portal crane

Abstract

The utility model relates to the technical field of portal cranes, and discloses a hoisting structure of a portal crane, which comprises a portal frame, a climbing and hanging assembly fixedly mounted at the lower end of a moving assembly, an auxiliary assembly fixedly mounted on one side of the upper end of the climbing and hanging assembly in a threaded manner, and a T-shaped threaded rod fixedly mounted on one side of the upper end of a hook through a nut. A hollow block shaped like a Chinese character'hui 'is fixedly installed at one end of the T-shaped threaded rod, a long rod is movably installed in an inner cavity of the hollow block shaped like a Chinese character'hui', when the hook moves up and down, the long rod can be driven to move up and down along the two sides of the inner wall of the portal, and when the hook slides left and right, the hollow block shaped like a Chinese character'hui 'can be driven to slide left and right on the outer surface of the long rod; according to the arrangement, when the hook is pulled to drive the concentric-square-shaped hollow block to move, the first rolling wheel is still limited by the sliding groove, so that the concentric-square-shaped hollow block slides in the inner cavity of the sliding groove through the first rolling wheel, and the sliding smoothness of the concentric-square-shaped hollow block is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to door type crane technical field, concretely is a door type crane hoisting structure. BACKGROUND

[0002] Door type crane (also called gantry crane) is the bridge frame type crane that bridge frame is supported on the ground track through both sides of support leg, and it is composed of portal frame, cart running mechanism, hoist trolley and electrical part etc.

[0003] Such as the application number for CN202222287985.3 a door type crane device, including door type crane body, lifting hook, stabilizing assembly, connecting screw rod, the setting of the screw sleeve, through the friction sleeve and the guide rod sleeve joint, in the lifting hook up and down movement process, drive guide rod along the limit sliding groove moves, thereby under the limiting effect of guide rod, reduce the front and back swing of lifting hook, thereby improve the stability in the process of goods up and down movement.

[0004] The door type crane hoisting structure of the above patent when in use, through connecting screw rod is fixedly connected in the upper end one side of lifting hook, completes the installation to sleeve rod, the inner chamber of sleeve rod is movably installed with guide rod, sliding along guide rod is driven by sleeve rod to lifting hook, to improve the stability in the process of lifting hook use, however, since sleeve rod is movably installed on the outer wall of guide rod, such setting leads to lifting hook drive sleeve rod to shake, which will increase the friction of sleeve rod and guide rod when moving.

[0005] Therefore, we propose a door type crane hoisting structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a door type crane hoisting structure to solve the above background technology to propose since sleeve rod is movably installed on the outer wall of guide rod, such setting leads to lifting hook drive sleeve rod to shake, which will increase the friction of sleeve rod and guide rod when moving.

[0007] To achieve the above object, the utility model provides the following technical scheme: a door type crane hoisting structure, including portal frame and the fixed installation of base that portal frame is respectively installed in the both sides of the lower end of portal frame, the lower end middle part of portal frame is provided with mobile assembly, the lower end of mobile assembly is fixedly installed with the hanging component of climbing, and the upper end one side of hanging component of climbing is fixedly installed with auxiliary assembly, and the setting of auxiliary assembly is suitable for stabilizing hanging component of climbing;

[0008] The auxiliary assembly comprises a connecting mechanism and a supporting mechanism slidingly installed in the inner cavity of one end of the connecting mechanism, and both ends of the supporting mechanism are fixedly installed with driving mechanisms respectively, the supporting mechanism is arranged to guide the sliding of the connecting mechanism, and the driving mechanisms are arranged to drive the supporting mechanism to slide.

[0009] Preferably, the moving assembly comprises a fixing mechanism and a U-shaped block fixedly installed at the lower end of the fixing mechanism, one side of the outer wall of the U-shaped block is fixedly installed with a motor, one end of the motor is connected with a rotating shaft through a movable shaft, the rotating shaft is movably installed in the middle part of the inner wall of the U-shaped block, and the outer surface of the rotating shaft is wound with a traction rope.

[0010] Preferably, the climbing assembly comprises a hook and a penetrating slot formed in one side of the upper end of the hook.

[0011] Preferably, the connecting mechanism comprises a meandering hollow block and a mounting slot formed in the middle part of the inner wall of the meandering hollow block, a first roller is movably installed in the inner cavity of the mounting slot through a movable shaft, and a T-shaped threaded rod is fixedly installed in the middle part of one side of the outer wall of the meandering hollow block.

[0012] Preferably, the supporting mechanism comprises an elongated rod and sliding grooves formed in the middle parts of the upper and lower ends of the elongated rod respectively, extension blocks are fixedly installed at the two ends of the elongated rod respectively, and a circular groove is formed in the middle part of each extension block.

[0013] Preferably, the driving mechanism comprises an insertion block and long plates fixedly installed at the two sides of one end of the insertion block respectively, a corresponding slot is formed in the middle part of one end of each long plate, a threaded rod is movably installed in the inner cavity of the corresponding slot, and second rollers are movably installed in the middle parts of the two sides of the outer wall of the insertion block through movable shafts.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The motor drives the rotating shaft to rotate, thereby realizing the paying-out and winding of the traction rope, when the hook moves up and down, the elongated rod moves up and down along the inner wall of the door frame, and when the hook slides left and right, the meandering hollow block slides left and right on the outer surface of the elongated rod, so that when the hook is pulled and the meandering hollow block is displaced, the first roller is still limited by the sliding groove, thereby making the meandering hollow block slide in the inner cavity of the sliding groove, and the sliding smoothness of the meandering hollow block is improved.

[0016] 2. The threaded rod installed in the inner cavities of the corresponding slots and the circular groove is disassembled, the elongated rod drives the extension blocks to be pulled out of the inner cavities of the long plates at the two sides of one end of the insertion block after the threaded rod is disassembled, the T-shaped threaded rod is pulled out of the inner cavity of the penetrating slot after the nut is loosened, and the connecting mechanism and the elongated rod can be disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole three-dimensional structure schematic diagram of the utility model; Figure 1 It is the A place enlarged view of the utility model;

[0019] Figure 3 It is the whole three-dimensional structure schematic diagram of the utility model's moving assembly, clambering assembly and connecting mechanism;

[0020] Figure 4 It is the whole three-dimensional structure schematic diagram of the utility model's supporting mechanism and driving mechanism.

[0021] In the drawing: 1, portal frame; 2, base; 3, moving assembly; 31, fixed mechanism; 32, U-shaped block; 33, motor; 34, rotating shaft; 35, traction rope; 4, clambering assembly; 41, hook; 42, through slot; 5, auxiliary assembly; 51, connecting mechanism; 511, hollow block of back shape; 512, accommodating groove; 513, first roller; 514, T-shaped threaded rod; 52, supporting mechanism; 521, long rod; 522, sliding groove; 523, extension block; 524, circular groove; 53, driving mechanism; 531, insertion block; 532, long plate; 533, corresponding groove; 534, threaded rod; 535, second roller. DETAILED DESCRIPTION

[0022] 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 scope of protection of the utility model.

[0023] Embodiment one: please refer to Figures 1-3 A hoisting structure of portal crane, including portal frame 1 and base 2 fixedly installed at both sides of the lower end of portal frame 1 respectively, the lower end of portal frame 1 is provided with moving assembly 3, moving assembly 3 is driven by motor to rotate screw rod, so that moving assembly 3 moves, the lower end of moving assembly 3 is fixedly installed with clambering assembly 4, the upper end of one side of clambering assembly 4 is fixedly installed with auxiliary assembly 5, auxiliary assembly 5 is set to be suitable for stabilizing clambering assembly 4.

[0024] Auxiliary assembly 5 includes connecting mechanism 51 and supporting mechanism 52 slidingly installed in the inner cavity of one end of connecting mechanism 51, the two ends of supporting mechanism 52 are fixedly installed with driving mechanism 53 respectively, supporting mechanism 52 is set to guide the sliding of connecting mechanism 51, and driving mechanism 53 is set to drive supporting mechanism 52 to slide.

[0025] The moving assembly 3 comprises a fixing mechanism 31 and a U-shaped block 32 fixedly installed at the lower end of the fixing mechanism 31, the outer wall of the U-shaped block 32 is fixedly provided with a motor 33, one end of the motor 33 is connected with a rotating shaft 34 through a movable shaft, the rotating shaft 34 is movably installed in the inner wall of the U-shaped block 32, and the rotating shaft 34 is driven to rotate by the motor 33, and the outer surface of the rotating shaft 34 is wound with a traction rope 35.

[0026] The climbing assembly 4 comprises a hook 41 and a penetrating groove 42 formed in the upper end of the hook 41, one end of the traction rope 35 is fixedly installed on one end of the hook 41, the hook 41 is arranged to be suitable for climbing the material, and one end of the T-shaped threaded rod 514 is movably installed in the inner cavity of the penetrating groove 42 and is fixedly screwed by a nut.

[0027] The connecting mechanism 51 comprises a back-shaped hollow block 511 and a mounting groove 512 formed in the inner wall of the back-shaped hollow block 511, the inner cavity of the mounting groove 512 is movably provided with a first roller 513 through a movable shaft, the outer wall of the back-shaped hollow block 511 is fixedly provided with a T-shaped threaded rod 514 at the middle part of one side, and the first roller 513 is arranged to improve the smoothness of the sliding of the back-shaped hollow block 511 on the outer surface of the long rod 521.

[0028] The supporting mechanism 52 comprises a long rod 521 and a sliding groove 522 formed in the middle part of the upper end and the lower end of the long rod 521 respectively, the two ends of the long rod 521 are fixedly provided with extension blocks 523 respectively, a circular groove 524 is formed in the middle part of the extension block 523, the first roller 513 is slidably installed in the inner cavity of the sliding groove 522, and the sliding groove 522 is arranged to guide the sliding of the first roller 513.

[0029] In this embodiment: the rotating shaft 34 is driven to rotate by the motor 33, so as to realize the unwinding and winding of the traction rope 35, the upper end of the hook 41 is fixedly provided with the T-shaped threaded rod 514 through a nut, one end of the T-shaped threaded rod 514 is fixedly provided with the back-shaped hollow block 511, and the long rod 521 is movably installed in the inner cavity of the back-shaped hollow block 511, so that the back-shaped hollow block 511 and the long rod 521 can move together with the hook 41, when the hook 41 moves up and down, the long rod 521 can move up and down along the inner wall of the portal frame 1, when the hook 41 slides left and right, the back-shaped hollow block 511 can slide left and right on the outer surface of the long rod 521, so that the first roller 513 can slide in the inner cavity of the sliding groove 522, and when the hook 41 is pulled to drive the back-shaped hollow block 511 to displace, the first roller 513 can still be limited by the sliding groove 522, so that the back-shaped hollow block 511 can slide in the inner cavity of the sliding groove 522 through the first roller 513, and the smoothness of the sliding of the back-shaped hollow block 511 is improved.

[0030] The second embodiment is an improvement based on the first embodiment. Please refer to Figure 4 The driving mechanism 53 includes an insertion block 531 and long plates 532 fixedly installed on both sides of one end of the insertion block 531. A corresponding slot 533 is formed in the middle of one end of the long plate 532. An extension block 523 is movably installed in the middle of the long plate 532 on both sides of one end of the insertion block 531. The corresponding slot 533 and the circular slot 524 are in through communication.

[0031] A threaded rod 534 is movably installed in the inner cavity of the corresponding slot 533. The threaded rod 534 passes through the corresponding slot 533 and the circular slot 524 in sequence and is fixed by a nut. Second rollers 535 are movably installed on the outer wall of the insertion block 531 by means of movable shafts. The second rollers 535 are arranged to improve the smoothness of the sliding of the insertion block 531 on the inner wall of the gantry 1.

[0032] In this embodiment, when the connecting mechanism 51 and the long rod 521 generate cracks after long-term use, the threaded rod 534 screw-mounted in the inner cavities of the corresponding slot 533 and the circular slot 524 can be disassembled. After the threaded rod 534 is disassembled, the long rod 521 drives the extension block 523 to be extracted from the inner cavities of the long plates 532 on both sides of one end of the insertion block 531. Then, the nut is loosened, and the T-shaped threaded rod 514 is extracted from the inner cavity of the penetrating slot 42. Thus, the disassembly and replacement of the connecting mechanism 51 and the long rod 521 can be completed.

[0033] Working principle: The rotation of the rotating shaft 34 driven by the motor 33 realizes the unwinding and winding of the traction rope 35. Since the upper end of one side of the hook 41 is fixedly installed with the T-shaped threaded rod 514 by means of a nut, one end of the T-shaped threaded rod 514 is fixedly installed with the meandering hollow block 511, and the long rod 521 is movably installed in the inner cavity of the meandering hollow block 511. When the hook 41 moves up and down, it drives the long rod 521 to move up and down along the inner wall of the gantry 1. When the hook 41 slides left and right, it drives the meandering hollow block 511 to slide left and right on the outer surface of the long rod 521. Such an arrangement enables the first roller 513 to be still limited by the sliding groove 522 when the hook 41 is pulled to drive the meandering hollow block 511 to displace, so that the meandering hollow block 511 slides in the inner cavity of the sliding groove 522 by means of the first roller 513. When the connecting mechanism 51 and the long rod 521 generate cracks after long-term use, the threaded rod 534 screw-mounted in the inner cavities of the corresponding slot 533 and the circular slot 524 can be disassembled. After the threaded rod 534 is disassembled, the long rod 521 drives the extension block 523 to be extracted from the inner cavities of the long plates 532 on both sides of one end of the insertion block 531. Then, the nut is loosened, and the T-shaped threaded rod 514 is extracted from the inner cavity of the penetrating slot 42. Thus, the disassembly and replacement of the connecting mechanism 51 and the long rod 521 can be completed.

[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0035] 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. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hoisting structure of a portal crane, comprising a portal (1) and a base (2) fixedly installed at both sides of the lower end of the portal (1) respectively, and a moving assembly (3) arranged at the middle of the lower end of the portal (1), characterized in that: The lower end of the moving assembly (3) is fixedly installed with a climbing assembly (4), one side of the upper end of the climbing assembly (4) is fixedly installed with an auxiliary assembly (5), and the auxiliary assembly (5) is arranged to be suitable for stabilizing the climbing assembly (4). The auxiliary assembly (5) comprises a connecting mechanism (51) and a supporting mechanism (52) slidably installed in the inner cavity of one end of the connecting mechanism (51), both ends of the supporting mechanism (52) are fixedly installed with driving mechanisms (53), the supporting mechanism (52) is arranged to guide the sliding of the connecting mechanism (51), and the driving mechanisms (53) are arranged to drive the supporting mechanism (52) to slide.

2. A hoisting structure for a portal crane according to claim 1, characterized in that The moving assembly (3) comprises a fixing mechanism (31) and a U-shaped block (32) fixedly installed at the lower end of the fixing mechanism (31), one side of the outer wall of the U-shaped block (32) is fixedly installed with a motor (33), one end of the motor (33) is connected with a rotating shaft (34) through a movable shaft, the rotating shaft (34) is movably installed in the middle part of the inner wall of the U-shaped block (32), and the outer surface of the rotating shaft (34) is wound with a traction rope (35).

3. A hoisting structure for a portal crane according to claim 1, characterized in that: The climbing assembly (4) comprises a hook (41) and a penetrating groove (42) formed in one side of the upper end of the hook (41).

4. A hoisting structure for a portal crane according to claim 1, characterized in that: The connecting mechanism (51) comprises a hollow block (511) and a mounting groove (512) formed in the inner wall of the hollow block (511) and arranged on the middle part of the upper and lower sides, a first roller (513) is movably installed in the inner cavity of the mounting groove (512) through a movable shaft, and a T-shaped threaded rod (514) is fixedly installed on the middle part of one side of the outer wall of the hollow block (511).

5. A hoisting structure for a portal crane according to claim 1, characterized in that: The supporting mechanism (52) comprises a long rod (521) and sliding grooves (522) respectively formed in the middle parts of the upper and lower ends of the long rod (521), and extension blocks (523) are fixedly installed at both ends of the long rod (521), and a circular groove (524) is formed in the middle part of each extension block (523).

6. A hoisting structure for a portal crane according to claim 1, characterized in that: The driving mechanism (53) comprises an insertion block (531) and long plates (532) fixedly installed at both sides of one end of the insertion block (531), a corresponding groove (533) is formed in the middle part of one end of each long plate (532), a threaded rod (534) is movably installed in the inner cavity of the corresponding groove (533), and second rollers (535) are movably installed on the middle parts of both sides of the outer wall of the insertion block (531) through movable shafts.

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