Multi-point balance lifting appliance of cable crane

Abstract

The utility model discloses a multi-point balance lifting appliance of a cable crane, which comprises a cross beam, the lower end of the cross beam is slidably connected with a lifting rope, the lower end of the lifting rope is fixedly provided with a lifting hook assembly, the upper end of the cross beam is fixedly provided with an auxiliary adjusting assembly, and the front end of the cross beam is fixedly provided with a first balancing weight. A first motor box is fixedly installed at the rear end of the cross beam, an empty groove is formed in the middle end in the cross beam, a rotating shaft is rotationally connected to the middle of the empty groove, a winding drum is fixedly installed on the outer side of the rotating shaft, baffles are fixedly installed at the front end and the rear end of the winding drum, and tooth grooves are formed in the front ends of the baffles. According to the multipoint balance lifting appliance of the cable crane, the motor in the first motor box drives the rotating shaft to rotate, so that the winding drum is driven to rotate, the lifting rope is wound and unwound, the lifting gravity center of irregular accessories can be conveniently adjusted, the stability of the lifting appliance when the irregular accessories are lifted is improved, and the safety of the lifting appliance when the lifting appliance is used is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technology field especially relates to a cable crane multi -point balance lifting appliance. BACKGROUND

[0002] The lifting appliance is a common hoisting device in the engineering field, and has a very important influence on the engineering progress. With the development of technology and the development of new products, the shapes of the hoisted equipment are various, the weight increases, and the precision requirements are high. The deviation of the theoretical design calculation of the equipment, the manufacturing and assembling error, the hoisting operation error and the like can all cause certain difference between the actual center of gravity position of the equipment and the theoretical position, resulting in the generation of partial load in the hoisting process.

[0003] The patent file with the application number CN202023138664.4 discloses a multi-point self-balancing lifting appliance, which is characterized by comprising a cross beam, a hook connecting structure is arranged at the top of the cross beam, an oil cylinder mounting hole is arranged at the bottom of the cross beam, a rotation-preventing oil cylinder is connected with the cross beam through an oil cylinder connecting piece, and a lifting lug connected with the hoisted object is arranged at the bottom of the rotation-preventing oil cylinder. The device has the advantages of simple structure, convenient operation and flexible operation, solves the problem that the hoisted object cannot adjust the posture in the hoisting process, and also solves the problem that the hoisted object cannot adjust the angle with the horizontal plane during installation, thereby causing connection difficulty.

[0004] Compared with the multi-point self-balancing lifting appliance in the above file, the problem that the hoisted object cannot adjust the posture in the hoisting process is solved, but when irregular accessories need to be hoisted, the center of gravity offset on the lifting appliance will cause the lifting appliance to shake when hoisting the accessories, thereby affecting the stability of the lifting appliance and having certain danger. UTILITY MODEL CONTENTS

[0005] The utility model discloses a cable crane multi -point balance lifting appliance, and aims at solving the technical problem that the center of gravity offset on the lifting appliance will cause the lifting appliance to shake when hoisting the accessories, thereby affecting the stability of the lifting appliance and having certain danger.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a cable crane multi -point balance lifting appliance, including the crossbeam, the lower end sliding joint of crossbeam has the lifting rope, the lower end fixed mounting of lifting rope has the hook assembly, the upper end fixed mounting of crossbeam has the auxiliary adjusting assembly, the front end fixed mounting of crossbeam has the first counterweight, the rear end fixed mounting of crossbeam has the first motor box, the inside middle end of crossbeam is provided with the empty slot, the middle part rotation is connected with the pivot of empty slot, the outside fixed mounting of pivot has the winding drum, the front and rear end fixed mounting of winding drum has the baffle, the front end of baffle is provided with the toothing groove, the inside of crossbeam is provided with the sliding slot in the left and right side of empty slot, the fixed mounting of hydraulic rod is away from the sliding slot one side in the sliding slot, the fixed mounting of limit block is close to the one side of sliding slot, the fixed mounting of clamping tooth is close to the one side of limit block, the inside of crossbeam is provided with the auxiliary groove in the lower end of empty slot, the front and rear end fixed mounting of auxiliary groove has the inclined plate, the sponge pad is bonded with the side close to lifting rope of inclined plate.

[0008] Through setting up winding drum and baffle cooperation, when lifting irregular accessories, the center of gravity of the lifting appliance can be adjusted, improve the stability of the lifting appliance when using, at the same time, through the cooperation of hydraulic rod and limit block, the baffle under normal circumstances is limited, avoid the rope baffle rotation during lifting process, leading to the accessories shaking, through the cooperation of inclined plate and sponge pad, improve the stability of the rope when winding and paying off.

[0009] In a preferred scheme, the hook assembly comprises a hook body fixedly installed at the lower end of the lifting rope, the hook body, the upper side of the front end of the hook body is rotationally connected with a locking member, the left side of the front end of the hook body is provided with a clamping groove, the left side of the front and rear end of the hook body is provided with a moving groove, the moving groove is slidingly connected with a protective sleeve at the front and rear end, and the inside of the protective sleeve is fixedly installed with a moving strip.

[0010] Through the cooperation of the locking member and the clamping groove, after the rope on the accessory to be lifted is placed in the hook body, the locking member is rotated and clamped into the clamping groove, and at the same time, the clamping groove is covered by the protective sleeve, which not only avoids the disengagement of the locking member, but also avoids the entry of impurities into the clamping groove, thereby affecting the subsequent use.

[0011] In a preferred scheme, the second motor box is fixedly installed at the upper end of the left side of the crossbeam, the right side of the second motor box is rotationally connected with a lead screw, the second counterweight is fixedly installed at the upper end of the right side of the crossbeam, the sliding rod is fixedly installed at the upper side of the front and rear end of the crossbeam, the limit strip is fixedly installed at the lower side of the sliding rod, the pull plate is rotationally connected with the outside of the lead screw, and the limit groove is formed at the lower end of the inside of the pull plate.

[0012] By setting the cooperation of the screw rod and the second motor box, the screw rod is driven to rotate by the motor, thereby driving the sliding plate to slide on the cross beam, when the gravity center of the irregular accessory is too deviated, the position of the sliding plate is adjusted, thereby adjusting the gravity center position of the cross beam, so as to improve the balance ability of the cross beam, and facilitate the lifting operation of the irregular accessory.

[0013] As can be seen from the above, the cable crane multi-point balance lifting appliance provided by the utility model drives the rotating shaft to rotate through the motor in the first motor box, thereby driving the winding drum to rotate, realizes the winding and unwinding of the lifting rope, facilitates the adjustment of the lifting gravity center of the irregular accessory, improves the stability when the lifting appliance lifts the irregular accessory, and improves the safety when the lifting appliance is used. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structure schematic view of the cable crane multi-point balance lifting appliance provided by the utility model.

[0015] Figure 2 It is an overall structure rear view of the cable crane multi-point balance lifting appliance provided by the utility model.

[0016] Figure 3 It is a cross beam section structure schematic view of the cable crane multi-point balance lifting appliance provided by the utility model.

[0017] Figure 4 It is a lifting hook assembly schematic view of the cable crane multi-point balance lifting appliance provided by the utility model.

[0018] In the drawings: 1, cross beam; 2, lifting rope; 31, lifting hook main body; 32, locking piece; 33, clamping groove; 34, moving groove; 35, protective sleeve; 36, moving strip; 41, second motor box; 42, screw rod; 43, second counterweight block; 44, sliding rod; 45, limiting strip; 46, sliding plate; 47, limiting groove; 5, first counterweight block; 6, first motor box; 7, empty groove; 8, rotating shaft; 9, winding drum; 10, baffle; 11, gear groove; 12, sliding groove; 13, hydraulic rod; 14, limiting block; 15, clamping tooth; 16, auxiliary groove; 17, inclined plate; 18, sponge pad. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model.

[0021] The utility model discloses a kind of cable crane multi-point balanced spreader, mainly applied when needing to hoist irregular accessories, the gravity center offset on spreader can lead to spreader shaking when hoisting accessory, thereby affecting the stability of spreader, with certain dangerous scene.

[0022] Referring to Figure 1 , Figure 2 and Figure 3 , a kind of cable crane multi-point balanced spreader, including crossbeam 1, the crossbeam 1 lower end sliding connection has lifting rope 2, the lifting rope 2 lower end is fixedly installed with lifting hook assembly, the crossbeam 1 upper end is fixedly installed with auxiliary adjusting assembly, the crossbeam 1 front end is fixedly installed with first counterweight 5, the crossbeam 1 rear end is fixedly installed with first motor box 6, the crossbeam 1 inside middle end is equipped with empty slot 7, the empty slot 7 middle part is rotatably connected with shaft 8, the shaft 8 outer side is fixedly installed with winding drum 9, the winding drum 9 front and rear end is fixedly installed with baffle 10, the baffle 10 front end is equipped with tooth slot 11, the crossbeam 1 inside is equipped with sliding slot 12 in empty slot 7 left and right side, the sliding slot 12 is fixedly installed with hydraulic rod 13 in the side away from empty slot 7, the hydraulic rod 13 is fixedly installed with limit block 14 in the side close to sliding slot 12, the limit block 14 is fixedly installed with paw 15 in the side close to sliding slot 12, the crossbeam 1 inside is equipped with auxiliary groove 16 in empty slot 7 lower end, the auxiliary groove 16 front and rear end is fixedly installed with inclined plate 17, the inclined plate 17 is close to the side of lifting rope 2 and is bonded with sponge pad 18.

[0023] The embodiment: when the lifting appliance lifts the irregular accessories, the center of gravity of the irregular accessories is not the same, the hook assembly is fixed to the irregular accessories, the motor in the first motor box 6 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the winding drum 9 to rotate, so as to drive the winding and unwinding of the lifting rope 2, which is convenient for adjusting the lifting center of gravity of the irregular accessories, improves the stability of the lifting appliance when lifting the irregular accessories, and improves the safety of the lifting appliance when in use. When the adjustment is completed, the hydraulic rod 13 in the sliding groove 12 pushes the limiting block 14, so that the limiting block 14 contacts the baffle 10, and the pawl 15 on the limiting block 14 is clamped into the tooth groove 11 on the baffle 10, so as to limit the rotation of the baffle 10, and the stability of the winding drum 9 is also limited, the stability of the lifting appliance during operation is improved, the winding drum 9 is prevented from rotating to cause the lifting appliance to shake during use, the inclined plate 17 ensures the position accuracy of the lifting rope 2 during winding and unwinding, and the sponge pad 18 absorbs lubricating oil. When the lifting rope 2 is wound and unwound, the sponge pad 18 is contacted, so as to be smeared with lubricating oil, the service life of the lifting rope 2 is improved, and the first counterweight 5 balances the weight of the first motor box 6, and the balance of the front and rear ends of the cross beam 1 is improved.

[0024] Referring to Figure 1 and Figure 4 In a preferred embodiment, the hook assembly comprises a hook body 31 fixedly installed at the lower end of the lifting rope 2, the hook body 31, the hook body 31, the locking piece 32 is rotatably connected to the upper side of the front end of the hook body 31, the clamping groove 33 is arranged on the left side of the front end of the hook body 31, the moving groove 34 is arranged on the left side of the front and rear ends of the hook body 31, the protective sleeve 35 is slidably connected to the front and rear ends of the moving groove 34, and the moving strip 36 is fixedly installed in the protective sleeve 35.

[0025] The embodiment: when the rope on the accessory to be lifted is placed in the hook body 31, the locking piece 32 is rotated to be clamped into the clamping groove 33, so that the rope is prevented from falling off the hook body 31 during lifting to cause danger, and the protective sleeve 35 is slid to cover the clamping groove 33, so that the locking piece 32 is prevented from being separated from the clamping groove 33 during use of the lifting appliance, and foreign matters are prevented from entering the clamping groove 33. At the same time, the moving strip 36 slides in the moving groove 34 along with the sliding of the protective sleeve 35, so as to improve the stability of the protective sleeve 35 during sliding.

[0026] Referring to Figure 1 and Figure 2In a preferred embodiment, the second motor box 41 is fixedly installed on the left upper end of the cross beam 1, the lead screw 42 is rotatably connected to the right side of the second motor box 41, the second counterweight 43 is fixedly installed on the right upper end of the cross beam 1, the slide rod 44 is fixedly installed on the upper side of the front and rear ends of the cross beam 1, the limiting strip 45 is fixedly installed on the lower side of the front and rear ends of the cross beam 1, the limiting groove 47 is formed in the inner lower end of the pull plate 46.

[0027] In the embodiment, when the center of gravity of the lifted object of the cross beam 1 deviates greatly, the motor in the second motor box 41 drives the lead screw 42 to rotate, thereby driving the pull plate 46 to slide, adjusting the overall center of gravity of the cross beam 1, the slide rod 44 improves the stability when the pull plate 46 slides, and improves the strength of the connection between the pull plate 46 and the cross beam 1, when the pull plate 46 slides, the limiting strip 45 cooperates with the limiting groove 47, further improving the stability when the pull plate 46 slides, and the second counterweight 43 improves the weight of the left and right sides of the cross beam 1, improving the overall balance of the cross beam 1.

[0028] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A multi-point balanced spreader for a cable crane, comprising a crosspiece (1), characterised in that, The lower end of the crossbeam (1) is slidably connected with a lifting rope (2), the lower end of the lifting rope (2) is fixedly installed with a lifting hook assembly, the upper end of the crossbeam (1) is fixedly installed with an auxiliary adjusting assembly, the front end of the crossbeam (1) is fixedly installed with a first counterweight (5), the rear end of the crossbeam (1) is fixedly installed with a first motor box (6), the inside of the crossbeam (1) is provided with an empty slot (7) at the middle end, the outer side of the rotating shaft (8) is fixedly installed with a winding drum (9), the front and rear ends of the winding drum (9) are fixedly installed with a baffle (10), the front end of the baffle (10) is provided with a tooth groove (11), the inside of the crossbeam (1) is provided with a sliding groove (12) at the left and right sides of the empty slot (7), the inner side of the sliding groove (12) is fixedly installed with a hydraulic rod (13) away from the empty slot (7), the inner side of the hydraulic rod (13) is fixedly installed with a limiting block (14) close to the sliding groove (12), the inner side of the limiting block (14) is fixedly installed with a clamping tooth (15) close to the sliding groove (12), the inside of the crossbeam (1) is provided with an auxiliary slot (16) at the lower end of the empty slot (7), the front and rear ends of the auxiliary slot (16) are fixedly installed with an inclined plate (17), the inner side of the inclined plate (17) is bonded with a sponge pad (18) close to the lifting rope (2).

2. A multi-point balanced spreader for a cable crane according to claim 1, characterized in that The lifting hook assembly comprises a lifting hook body (31) fixedly installed at the lower end of the lifting rope (2), and the lifting hook body (31) is rotatably connected with a locking piece (32) at the upper side of the front end.

3. A multi-point balanced spreader for a cable crane according to claim 2, characterized in that The front end of the lifting hook body (31) is provided with a clamping groove (33) at the left side, and the front and rear ends of the lifting hook body (31) are provided with a moving groove (34) at the left side.

4. A multi-point balanced spreader for a cable crane according to claim 3, characterized in that The moving groove (34) is slidably connected with a protective sleeve (35) at the front and rear ends, and the inside of the protective sleeve (35) is fixedly installed with a moving strip (36).

5. A multi-point balanced spreader for a cable crane according to claim 1, characterized in that, The left upper end of the crossbeam (1) is fixedly installed with a second motor box (41), and the right side of the second motor box (41) is rotatably connected with a lead screw (42).

6. A multi-point balanced spreader for a cable crane according to claim 5, characterized in that The right upper end of the crossbeam (1) is fixedly installed with a second counterweight (43), and the upper side of the crossbeam (1) is fixedly installed with a sliding rod (44) at the front and rear ends.

7. A multi-point balanced spreader for a cable crane according to claim 6, characterized in that The lower side of the sliding rod (44) is fixedly installed with a limiting strip (45) at the front and rear ends of the crossbeam (1), the outer side of the lead screw (42) is rotatably connected with a pull plate (46), and the inner side of the pull plate (46) is provided with a limiting groove (47) at the lower end.

Images