Tower crane balancing weight self-unloading device

Abstract

The utility model relates to the technical field of self-discharging devices, and discloses a tower crane balancing weight self-discharging device which comprises a steel stand column, a steel main beam is fixedly connected to the end of the steel stand column, a rear balance arm main beam is fixedly connected to the outer wall of the steel stand column, a balancing weight is arranged on the outer wall of the rear balance arm main beam, and the balancing weight is arranged on the outer wall of the steel stand column. A chicken-heart-shaped ring is fixedly connected to the outer wall of the balancing weight, when a steel wire rope penetrates through a conveying pulley to run, a motor is started to drive the conveying pulley and a reciprocating threaded rod to rotate, so that a limited threaded sliding block drives a transmission plate to move, and then lubricating oil flows out of a discharging opening after a top plate jacks a front plate; and the lubricating oil flows to the outer walls of the bristles through the circulating grooves, so that the lubricating oil can be periodically brushed on the outer walls of the steel wire ropes through the displaced bristles, the service lives of the conveying pulleys and the steel wire ropes can be prolonged when the balancing weights are self-unloaded, and the self-unloading process is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self -discharging device technical field, concretely is a tower crane counterweight block self -discharging device. BACKGROUND

[0002] With the acceleration of urban construction, especially in large and medium-sized cities, the land for engineering is more and more nervous, and there are high-rise buildings around, especially the tower crane installed in the podium, due to the podium structure restriction, the automobile hoist station and the big arm are restricted, further lead to the tower crane disassembly very difficult, especially the tower crane counterweight block.

[0003] According to a tower crane counterweight block self -discharging device (announcement number: CN220182617U) disclosed, the above -mentioned application can achieve simple operation, need not automobile hoist, utilize the tower crane itself structure, combine the tower crane counterweight block has the characteristics of small volume but heavy weight, realize the purpose that the tower crane counterweight block is disassembled by oneself.

[0004] But the above -mentioned equipment in the actual use process, although can be disassembled by oneself to the counterweight block, but when disassembling, the conveying pulley and the external steel wire rope friction are more serious, and further produce the problem of subsequent service life reduction, in view of this, we put forward a kind of tower crane counterweight block self -discharging device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tower crane counterweight block self -discharging device to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of tower crane counterweight block self -discharging device, including steel column, the end of the steel column is fixedly connected with steel girder, the outer wall of the steel column is fixedly connected with rear balance arm girder, the outer wall of the rear balance arm girder is provided with counterweight block, the outer wall of the counterweight block is fixedly connected with chicken heart ring, the outer wall of the steel girder is provided with anti -discharge wear and tear component, the anti -discharge wear and tear component includes fixed frame, the fixed frame is fixedly connected on the outer wall of steel girder, the outer wall of the fixed frame is fixedly connected with motor, the output end of the motor is fixedly connected with conveying pulley and is penetrated through fixed frame, the outer wall of the conveying pulley is fixedly connected with reciprocating screw rod, the outer wall of the reciprocating screw rod is threadedly connected with screw block, the outer wall of the screw block is fixedly connected with transmission plate, the outer wall of the transmission plate is fixedly connected with top plate;

[0007] The flow-through groove is arranged on the outer wall of the transmission plate, the outer wall of the transmission plate is fixedly connected with the brush hair, the outer wall of the fixed frame is fixedly connected with the oil box, the outer wall of the oil box is provided with the discharge port, the outer wall of the oil box is fixedly connected with the sliding sleeve, the outer wall of the oil box is fixedly connected with the elastic expansion plate, and the end of the elastic expansion plate is fixedly connected with the front plate.

[0008] Preferably, the number of brush hairs is several, and the several brush hairs are arranged in a linear array on the outer wall of the transmission plate.

[0009] Preferably, the center line of the front plate and the center line of the top plate are on the same straight line, so that the top plate can smoothly extrude the front plate after displacement.

[0010] Preferably, the outer wall of the sliding sleeve is matched with the outer wall of the front plate, so that the front plate can be more closely attached to the outer wall of the oil box.

[0011] Preferably, the outer wall of the fixed frame is provided with an even smearing assembly, the even smearing assembly comprises an inclined groove, the inclined groove is arranged on the outer wall of the fixed frame, the outer wall of the inclined groove is fixedly connected with a ductile rod, and the outer wall of the ductile rod is fixedly connected with a touch block.

[0012] Preferably, the number of ductile rods is several, and the several ductile rods are arranged in a linear array on the outer wall of the inclined groove.

[0013] Preferably, the outer wall of the inclined groove is matched with the outer wall of the conveying pulley, so that the lubricating oil adhered to the inner wall of the inclined groove will flow from the inclined surface and finally flow onto the outer wall of the conveying pulley, so that the rotating life of the conveying pulley is increased.

[0014] Compared with the prior art, the utility model provides a tower crane counterweight block self-unloading device, has the following beneficial effects:

[0015] 1、The tower crane counterweight block self-unloading device, when the steel wire rope is run through the conveying pulley, the motor is started to drive the conveying pulley and the reciprocating screw rod to rotate, so that the limited threaded slider drives the transmission plate to displace, and then the top plate will make the lubricating oil flow out of the discharge port after the front plate is opened, and then the lubricating oil will flow to the outer wall of the brush hair through the flow-through groove, so that the displaced brush hair can periodically apply the lubricating oil to the outer wall of the steel wire rope, thereby prolonging the service life of the conveying pulley and the steel wire rope during self-unloading of the counterweight block, and the self-unloading process is more stable.

[0016] 2、The tower crane counterweight block self-unloading device, when the threaded slider drives the transmission plate to displace, the bristles are touched by the toughness rod and the touch block, so that the lubricating oil attached to the outer wall of the bristles can be better dispersed, so that the bristles can better smear the lubricating oil on the outer wall of the steel wire rope, and the lubricating oil adhered to the inner wall of the inclined groove will flow down from the inclined surface, finally flow to the outer wall of the conveying pulley, so that the rotating life of the conveying pulley is increased, further increasing the practicability of the whole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the steel girder structure schematic diagram of the utility model;

[0019] Figure 3 It is the anti-ablation wear assembly structure schematic diagram of the utility model;

[0020] Figure 4 It is the motor and transmission plate structure schematic diagram of the utility model;

[0021] Figure 5 It is the circulation groove and bristle structure schematic diagram of the utility model;

[0022] Figure 6 It is the elastic expansion plate and front plate structure schematic diagram of the utility model;

[0023] Figure 7 It is the discharge port and elastic expansion plate structure schematic diagram of the utility model.

[0024] In the drawing: 1, steel stand; 2, steel main beam; 3, counterweight; 4, heart ring; 5, rear balance arm main beam; 6, anti-ablation wear assembly; 601, fixed frame; 602, motor; 603, conveying pulley; 604, reciprocating threaded rod; 605, threaded slider; 606, transmission plate; 607, top plate; 608, circulation groove; 609, bristle; 610, oil box; 611, discharge port; 612, sliding sleeve; 613, elastic expansion plate; 614, front plate; 7, smearing assembly; 701, inclined groove; 702, toughness rod; 703, touch block. DETAILED DESCRIPTION

[0025] As Figures 1-7As shown, the utility model provides a technical scheme: a tower crane counterweight block self -discharging device, including steel stand 1, the end of steel stand 1 is fixedly connected with steel girder 2, the outer wall of steel stand 1 is fixedly connected with rear balance arm main beam 5, the outer wall of rear balance arm main beam 5 is provided with counterweight block 3, the outer wall of counterweight block 3 is fixedly connected with chicken heart ring 4, the outer wall of steel girder 2 is provided with prevent unloading wear and tear subassembly 6, prevent unloading wear and tear subassembly 6 includes fixed frame 601, and fixed frame 601 is fixedly connected on the outer wall of steel girder 2, the outer wall of fixed frame 601 is fixedly connected with motor 602, and the output of motor 602 is fixedly connected with conveying pulley 603 through fixed frame 601, the outer wall of conveying pulley 603 is fixedly connected with reciprocating threaded rod 604, the outer wall of reciprocating threaded rod 604 is threadedly connected with threaded slide block 605, the outer wall of threaded slide block 605 is fixedly connected with transmission plate 606, and the outer wall of transmission plate 606 is fixedly connected with top plate 607.

[0026] Further, the flow tank 608 is opened on the outer wall of the transmission plate 606, the outer wall of the transmission plate 606 is fixedly connected with the brush 609, the outer wall of the fixed frame 601 is fixedly connected with the oil box 610, the outer wall of the oil box 610 is provided with the discharge port 611, the outer wall of the oil box 610 is fixedly connected with the sliding sleeve 612, the outer wall of the oil box 610 is fixedly connected with the elastic expansion plate 613, and the end of the elastic expansion plate 613 is fixedly connected with the front plate 614.

[0027] In the embodiment of the utility model, the number of the brush 609 is several, and the several brushes 609 are arranged on the outer wall of the transmission plate 606 in linear array, the center line of the front plate 614 and the center line of the top plate 607 are on the same straight line, so that the top plate 607 can smoothly extrude the front plate 614 after displacement, and the outer wall of the sliding sleeve 612 is matched with the outer wall of the front plate 614, so that the front plate 614 can be more closely attached to the outer wall of the oil box 610.

[0028] And, the outer wall of the fixed frame 601 is provided with the smearing assembly 7, the smearing assembly 7 includes the inclined groove 701, the inclined groove 701 is opened on the outer wall of the fixed frame 601, the outer wall of the inclined groove 701 is fixedly connected with the ductility rod 702, the outer wall of the ductility rod 702 is fixedly connected with the touch block 703, the number of the ductility rod 702 is several, and the several ductility rods 702 are arranged on the outer wall of the inclined groove 701 in linear array, the outer wall of the inclined groove 701 is matched with the outer wall of the conveying pulley 603, so that the lubricating oil adhered to the inner wall of the inclined groove 701 will flow from the slope, and finally flow to the outer wall of the conveying pulley 603, so that the rotating life of the conveying pulley 603 is increased.

[0029] In the utility model, when using daily, the tower crane main hoist wire rope is led out from the tail part of the main hoist rope cylinder, the single rope is threaded over the conveying pulley 603 on the top of the self-unloading device, is threaded into a hook movable pulley, the wire rope returns to the top of the self-unloading device and is fixed in the device top fixed end heart ring 4, three 18mm wire rope clamps are used to tighten the bolt and are fixed, then the tower crane hoist is operated, the tower crane counterweight 3 is slowly landed on the ground, when the wire rope is threaded over the conveying pulley 603 and is operated, the motor 602 drives the conveying pulley 603 and the reciprocating screw rod 604 to rotate, so that the limited screw block 605 drives the transmission plate 606 to displace, and then the top plate 607 will make the lubricating oil flow out from the discharge port 611 after the top opening front plate 614, and then the lubricating oil will flow on the outer wall of the bristle 609 through the flow channel 608, so that the displaced bristle 609 can periodically brush the lubricating oil on the outer wall of the wire rope, which guarantees that the service life of the conveying pulley 603 and the wire rope can be prolonged when the self-unloading counterweight 3 is carried out, and then the self-unloading process is more stable.

[0030] When the screw block 605 drives the transmission plate 606 to displace, the bristle 609 is touched by the toughness rod 702 and the touch block 703, so that the lubricating oil attached to the outer wall of the bristle 609 can be better dispersed, so that the bristle 609 can better smear the lubricating oil on the outer wall of the wire rope, and the lubricating oil adhered to the inner wall of the inclined groove 701 will flow down from the inclined surface, and finally flow to the outer wall of the conveying pulley 603, so that the rotating life of the conveying pulley 603 is increased, and the practicability of the whole is further increased.

[0031] The utility model is described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the spirit of the utility model is within the protection scope of the utility model.

Claims

1. A self-unloading device for counterweight blocks of a tower crane, comprising a steel column (1), a steel main beam (2) fixedly connected to the end of the steel column (1), a rear counterweight boom main beam (5) fixedly connected to the outer wall of the steel column (1), a counterweight block (3) provided on the outer wall of the rear counterweight boom main beam (5), and a heart-shaped ring (4) fixedly connected to the outer wall of the counterweight block (3), characterized in that: The outer wall of the steel girder (2) is provided with an anti-disassembly wear component (6), and the anti-disassembly wear component (6) comprises: A fixed frame (601) is fixedly connected to the outer wall of the steel girder (2), and the outer wall of the fixed frame (601) is fixedly connected with a motor (602), the output end of the motor (602) is fixedly connected with a conveying pulley (603) penetrating through the fixed frame (601), the outer wall of the conveying pulley (603) is fixedly connected with a reciprocating threaded rod (604), the outer wall of the reciprocating threaded rod (604) is threadedly connected with a threaded sliding block (605), the outer wall of the threaded sliding block (605) is fixedly connected with a transmission plate (606), and the outer wall of the transmission plate (606) is fixedly connected with a top plate (607); A flow-through groove (608) is formed in the outer wall of the transmission plate (606), the outer wall of the transmission plate (606) is fixedly connected with a brush (609), the outer wall of the fixed frame (601) is fixedly connected with an oil box (610), the outer wall of the oil box (610) is provided with a discharge port (611), the outer wall of the oil box (610) is fixedly connected with a sliding sleeve (612), the outer wall of the oil box (610) is fixedly connected with an elastic expansion plate (613), and the end of the elastic expansion plate (613) is fixedly connected with a front plate (614).

2. A tower crane counterweight self-discharge apparatus according to claim 1, characterized in that: The number of the brush (609) is several, and the several brushes (609) are arranged in a linear array on the outer wall of the transmission plate (606).

3. A tower crane counterweight self-discharge apparatus according to claim 1, characterized in that: The center line of the front plate (614) and the center line of the top plate (607) are on the same straight line.

4. A tower crane counterweight self-discharge apparatus according to claim 1, characterized in that: The outer wall of the sliding sleeve (612) is matched with the outer wall of the front plate (614).

5. A tower crane counterweight self-discharge apparatus according to claim 1, characterized in that: The outer wall of the fixed frame (601) is provided with an even smearing component (7), the even smearing component (7) comprises an inclined groove (701), the inclined groove (701) is formed in the outer wall of the fixed frame (601), and the outer wall of the inclined groove (701) is fixedly connected with a flexible rod (702).

6. A tower crane counterweight self-discharge apparatus according to claim 5, characterized in that: The number of the flexible rod (702) is several, and the several flexible rods (702) are arranged in a linear array on the outer wall of the inclined groove (701).

7. A tower crane counterweight self-discharge apparatus according to claim 5, characterized in that: The outer wall of the inclined groove (701) is matched with the outer wall of the conveying pulley (603).

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