Limiting device for hoisting mechanism of tower crane

Abstract

The utility model is applicable to the technical field of tower cranes, and provides a tower crane hoisting mechanism limiting device which comprises a bottom plate, two groups of first supporting plates are symmetrically arranged on the top surface of the bottom plate, a rope winding assembly is arranged between the two groups of first supporting plates, two groups of second supporting plates are further symmetrically arranged on the top surface of the bottom plate, and the rope winding assembly is arranged between the two groups of second supporting plates. A limiting assembly is arranged between the two second supporting plates. The rope winding assembly comprises fixing plates fixedly arranged on the top faces of the two first supporting plates respectively, a first motor is fixedly arranged on one fixing plate, a main shaft is arranged at the output end of the first motor, a winding drum is arranged on the main shaft in a sleeving mode, and oil dripping assemblies are further arranged on the top faces of the two first supporting plates. According to the utility model, the working efficiency is improved and the damage to the steel wire rope is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane technical field especially relates to a tower crane hoisting mechanism stop device. BACKGROUND

[0002] Tower crane is a kind of rotary crane with movable arm on the top of high tower, and it has large working space, and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. In the process of vertical hoisting, the problems such as out of groove, disorder groove and overlapping misplacement of steel wire rope wound on the reel may occur due to improper manual operation, so the device for preventing rope jumping is needed to be installed, and in order to prevent overlapping misplacement during winding, the traction limiting device is usually needed to be installed, and in order to reduce the problems such as abrasion of steel wire rope, the oil dripping assembly is needed to be arranged on the tower crane, so as to reduce the risk degree of manual operation.

[0003] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects, the utility model provides a tower crane hoisting mechanism stop device.

[0005] In order to realize the above purpose, the utility model provides a tower crane hoisting mechanism stop device, which comprises: a bottom plate, two groups of first support plates are symmetrically arranged on the top surface of the bottom plate, a winding component is arranged between the two groups of first support plates, two groups of second support plates are also symmetrically arranged on the top surface of the bottom plate, and a limiting component is arranged between the two groups of second support plates;The winding component comprises a fixed plate fixedly arranged on the top surface of the two groups of first support plates, a first motor is fixedly arranged on one of the fixed plates, a main shaft is arranged on the output end of the first motor, a reel is sleeved on the main shaft, and an oil dripping assembly is also arranged on the top surface of the two groups of first support plates;The limiting component comprises a second motor fixedly arranged on one of the second support plates, a first screw rod is rotatably connected with the second support plate and arranged on the output end of the second motor, a traction block is sleeved on the first screw rod, a traction opening is arranged in the traction block, and a traction rod is arranged in the traction opening and fixedly connected with the second support plate.

[0006] According to the tower crane hoisting mechanism stop device of the utility model, the oil dripping assembly comprises four groups of support legs fixedly arranged on the two groups of first support plates, a horizontal plate is fixedly arranged between the top portions of the four groups of support legs, a groove is arranged in the horizontal plate, and an oil dripping box is slidably arranged in the groove.

[0007] The oil dripping box is provided with an oil inlet at the top, a plurality of oil outlets are symmetrically arranged at the bottom of the oil dripping box, and the positions of the oil outlets and the positions of the second screws are distributed staggeredly.

[0008] The connecting plate and the groove are connected, and two groups of limiting blocks are symmetrically arranged on the two sides of the connecting plate and the groove.

[0009] The oil dripping box is provided with an oil inlet at the top, a plurality of oil outlets are symmetrically arranged at the bottom of the oil dripping box, and the positions of the oil outlets and the positions of the second screws are distributed staggeredly.

[0010] The bottom of each of the four groups of supporting legs is provided with a mounting plate.

[0011] The utility model provides a tower crane hoisting mechanism limiting device, include: bottom plate, the top surface of bottom plate is equipped with two groups of first support plate symmetry, and two groups of first support plate are equipped with around rope component between, the top surface of bottom plate still is equipped with two groups of second support plate symmetry, and two groups of second support plate are equipped with limiting component between, the around rope component includes the fixed plate of being fixed in two groups first support plate's top surface respectively, and the fixed plate is equipped with first motor on one group, and the output of first motor is equipped with main shaft, and the main shaft is equipped with reel, and the top surface of two groups first support plate still is equipped with oil dripping component, the limiting component includes the second motor of being fixed in one group second support plate, and the output of second motor is equipped with with second support plate rotatory connection's first screw, and the first screw is equipped with traction block, and the inside of traction block is equipped with traction, and the below of traction is equipped with with second support plate fixed connection's traction rod and passes through the inside of traction block, the utility model discloses through the cooperation of around rope component and limiting component, can efficient and safe take -up of steel wire rope, in order to avoid the problem of manual operation, the utility model discloses through setting up horizontal board avoids the harm of jumping rope phenomenon to machine or manual after, improves the security of working time, and the utility model discloses is equipped with oil dripping component, realizes the oil dripping of steel wire rope in time through oil dripping component when winding, improves work efficiency and reduces the damage to steel wire rope. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the perspective view of the utility model;

[0013] Figure 2 It is the structure schematic diagram of the oil dripping component of the utility model's plan view;

[0014] Figure 3 is the structural schematic view of the supporting leg and the cross plate of the utility model;

[0015] Figure 4 is the structural schematic view of the oil drip box and the connecting plate of the utility model;

[0016] In the drawing, 1 - bottom plate, 2 - first supporting plate, 3 - second supporting plate, 4 - fixed plate, 5 - first motor, 6 - main shaft, 7 - winding drum, 8 - second motor, 9 - first screw rod, 10 - traction rod, 11 - traction block, 12 - traction port, 13 - supporting leg, 13.1 - mounting plate, 14 - cross plate, 14.1 - recess, 14.2 - sliding slot, 15 - third motor, 16 - second screw rod, 17 - oil drip box, 17.1 - oil inlet, 17.2 - oil outlet, 18 - connecting plate, 18.1 - limiting block. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples, and it should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0018] It should be noted that, in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship of the terms based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0019] In addition, it should also be noted that, in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Referring to Figures 1-4The utility model provides a tower crane hoisting mechanism stop device, include: bottom plate 1, the top surface of bottom plate 1 is equipped with two groups of first support plate 2, and two groups of first support plate 2 are equipped with around rope subassembly between, the top surface of bottom plate 1 is also equipped with two groups of second support plate 3, and two groups of second support plate 3 are equipped with limit component between, the around rope subassembly includes the fixed plate 4 of being fixed respectively in the top surface of two groups of first support plate 2, and a group of fixed plate 4 is equipped with first motor 5, and the output of first motor 5 is equipped with main shaft 6, and the sleeve of main shaft 6 is equipped with reel 7, and the top surface of two groups of first support plate 2 is also equipped with oil dripping subassembly, the limit component includes the second motor 8 of being fixed in a group of second support plate 3, and the output of second motor 8 is equipped with the first screw rod 9 of being rotatably connected with second support plate 3, and the sleeve of first screw rod 9 is equipped with traction block 11, and the inside of traction block 11 is equipped with traction mouth 12, and the below of traction mouth 12 is equipped with the traction rod 10 of being fixedly connected with second support plate 3 and penetrating the inside of traction block 11.

[0021] Referring to Figures 1-4 Preferably, the oil dripping subassembly of the utility model includes four groups of support legs 13 fixed on two groups of first support plates 2, a horizontal plate 14 is fixed between the top portions of the four groups of support legs 13, a groove 14.1 is formed through the inside of the horizontal plate 14, an oil dripping box 17 is slidably arranged in the groove 14.1, the horizontal plate 14 plays a role of preventing rope jumping, and the safety of operation is improved, and the oil dripping box 17 is conveniently moved in the groove 14.1 through the groove 14.1.

[0022] Referring to Figure 2 and Figure 4 In addition, the bottom of the oil dripping box 17 is fixedly connected with a connecting plate 18, a second screw rod 16 is formed through the inside of the connecting plate 18, the second screw rod 16 penetrates the inside of the horizontal plate 14, one end of the second screw rod 16 is provided with a third motor 15 fixedly connected with the horizontal plate 14, the second screw rod 16 is driven to rotate by the third motor 15, the connecting plate 18 is driven to move, and the movement of the oil dripping box 17 is realized.

[0023] Referring to Figure 3 and Figure 4 Further, two groups of limiting blocks 18.1 are symmetrically arranged on the two sides of the connecting plate 18 connected with the groove 14.1, a sliding groove 14.2 matched with the movement track of the limiting blocks 18.1 is arranged at the connection between the groove 14.1 and the two groups of limiting blocks 18.1, and the stability of the connecting plate 18 and the oil dripping box 17 during movement can be improved by the limiting blocks 18.1 and the sliding groove 14.2.

[0024] Referring to Figure 2 andFigure 4 Better, the top of the oil drip box 17 is provided with an oil inlet 17.1, the bottom of the oil drip box 17 is symmetrically provided with a plurality of groups of oil outlets 17.2 on both sides, and the positions of the oil outlets 17.2 are staggered with the positions of the second screw 16, oil can be added to the oil drip box 17 through the oil inlet 17.1, and the oil can be discharged to the steel wire rope in the winding through the oil outlet 17.2, and the position of the oil outlet 17.2 can avoid the obstruction of the second screw 16 to the oiling.

[0025] Referring to Figures 1-3 Finally, the bottom of the four groups of supporting legs 13 is provided with a mounting plate 13.1, and the supporting legs 13 and the first supporting plate 2 are conveniently installed and disassembled through the mounting plate 13.1.

[0026] The working principle of the utility model:

[0027] The first motor 5, the second motor 8 and the third motor 15 in the utility model are all synchronous motors.

[0028] First, when the staff needs to wind the steel wire rope, the first motor 5, the second motor 8 and the third motor 15 are started, the first motor 5 drives the drum 7 to rotate, realizes the winding of the steel wire rope, the second motor 8 realizes the regular movement of the traction block 11 in the horizontal direction, so that the overlapping misplacement of the steel wire rope during winding can be avoided, the third motor 15 can realize the real-time oiling of the steel wire rope during winding through the oil drip box 17, reduces the wear degree of the steel wire rope during winding, and the cross plate 14 can play the role of preventing the rope from jumping, improving the safety of the operation.

[0029] When the cross plate 14 and the supporting leg 13 are installed and disassembled, they can be installed and disassembled through the mounting plate 13.1, which is convenient and fast.

[0030] The utility model provides a tower crane hoisting mechanism stop device, include: bottom plate, the top surface of bottom plate is equipped with two groups of first support plate symmetry, two groups first support plate between being equipped with around rope subassembly, the top surface of bottom plate still is equipped with two groups of second support plate symmetry, two groups second support plate between being equipped with limit component, the around rope subassembly includes the fixed plate of being respectively fixed in the top surface of two groups first support plate, a group fixed plate on being equipped with first motor, the output of first motor is equipped with main shaft, the sleeve of main shaft is equipped with reel, the top surface of two groups first support plate still is equipped with oil dropping subassembly, the limit component includes the second motor of being fixed in a group second support plate, the output of second motor is equipped with with second support plate rotatory connection's first screw rod, the sleeve of first screw rod is equipped with traction block, the inside of traction block is equipped with traction mouth, the below of traction mouth is equipped with with the inside of the penetration traction block and with second support plate fixed connection's traction rod, above all, the utility model discloses through the cooperation of around rope subassembly and limit component, can to steel wire rope carry out efficient and safe release, in order to avoid the problem of manual operation, the utility model discloses through setting up horizontal board to avoid skipping rope phenomenon after the harm of machine or manual, improve the security of working, and the utility model discloses is equipped with oil dropping subassembly, realizes the oiling of steel wire rope in time through oil dropping subassembly when winding, improves work efficiency and reduces the damage to steel wire rope.

[0031] Of course, the utility model can have other various embodiments, without departing from the utility model spirit and its essence, the skilled person in the art can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation should all belong to the protection scope of the utility model claims attached.

Claims

1. A limiting device for a tower crane hoisting mechanism, characterized in that, include: The base plate has two sets of first support plates symmetrically arranged on its top surface, and a rope winding assembly is provided between the two sets of first support plates. The base plate also has two sets of second support plates symmetrically arranged on its top surface, and a limiting assembly is provided between the two sets of second support plates. The rope winding assembly includes a fixing plate fixedly mounted on the top surface of the two sets of first support plates respectively. A first motor is fixedly mounted on one set of the fixing plates. A main shaft is provided on the output end of the first motor. A drum is sleeved on the main shaft. An oil dripping assembly is also provided on the top surface of the two sets of first support plates. The limiting component includes a second motor fixed on a set of second support plates. The output end of the second motor is provided with a first screw that is rotatably connected to the second support plate. A traction block is sleeved on the first screw. The traction block has a traction port inside. Below the traction port is a traction rod that penetrates the interior of the traction block and is fixedly connected to the second support plate.

2. The tower crane hoisting mechanism limiting device according to claim 1, characterized in that, The oil-dripping assembly includes four sets of support legs fixed to two sets of first support plates. A horizontal plate is fixed between the tops of the four sets of support legs. A groove is provided through the interior of the horizontal plate, and an oil-dripping box is slidably disposed inside the groove.

3. The tower crane hoisting mechanism limiting device according to claim 2, characterized in that, The bottom of the oil drip box is fixedly provided with a connecting plate, and a second screw is provided through the interior of the connecting plate. The second screw passes through the interior of the horizontal plate, and a third motor is provided at one end of the second screw and is fixedly connected to the horizontal plate.

4. The tower crane hoisting mechanism limiting device according to claim 3, characterized in that, Two sets of limiting blocks are symmetrically arranged on both sides of the connecting plate that connect with the groove. A sliding groove matching the moving trajectory of the limiting block is provided at the connection between the groove and the two sets of limiting blocks.

5. The tower crane hoisting mechanism limiting device according to claim 3, characterized in that, The top of the oil dripping box is provided with an oil inlet, and the bottom sides of the oil dripping box are symmetrically provided with several sets of oil outlets, and the positions of the oil outlets are staggered with the positions of the second screw.

6. The tower crane hoisting mechanism limiting device according to claim 2, characterized in that, The bottom of each of the four sets of support legs is equipped with a mounting plate.

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