CN210340132U

CN210340132U - Large crane

Info

Publication number: CN210340132U
Application number: CN201920152058.6U
Authority: CN
Inventors: 张�浩; 汪家春; 张�林; 胡远敏
Original assignee: Anhui Jinfan Construction Co ltd
Current assignee: Anhui Jinfan Construction Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-04-17
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to a large crane, including the mounting panel, mounting panel one side is connected with the slip track through the fixing base, slip track top is connected with the revolving stage through actuating mechanism, the revolving stage top is connected with the telescopic link through the control room, telescopic link one side is equipped with the jib loading boom that is connected with hoisting accessory, revolving stage top both sides all are connected with the hydraulic stem, be equipped with the link that is located revolving stage top center department between the hydraulic stem, link one side is equipped with the screw rod that runs through the link inside and extend to the hydraulic stem inside, link opposite side fixed mounting has the fixed disk that is connected with the control room, hoisting accessory includes first lifting hook and the second lifting hook that is connected with the jib loading boom, first lifting hook and second lifting hook both sides all are connected with the jack catch, fixedly connected. Has the advantages that: the utility model relates to a rationally, the safety and stability, work efficiency is high, has guaranteed the good work sight of personnel.

Description

Large crane

Technical Field

The utility model relates to a lifting device technical field, concretely relates to large crane.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes. The existing crane cannot be matched with a lifting device to freely rotate in an operation room, the sliding distance is limited, the operation sight of personnel is influenced, the lifting hook is used for generally carrying out one-to-one lifting operation, the control precision is not high, and the practicability of equipment is lowered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heavy duty crane provides a control accuracy and work efficiency height and the heavy duty crane of excellent operation effect.

In order to realize the above purpose, the utility model discloses a technical scheme be: a large crane comprises a mounting plate, a fixing seat, a driving mechanism, a lifting device, an operating room and a rotating platform, wherein one side of the mounting plate is connected with a sliding track through the fixing seat, the top of the sliding track is connected with the rotating platform through the driving mechanism, the top of the rotating platform is connected with a telescopic rod through the operating room, one side of the telescopic rod is provided with a lifting arm connected with the lifting device, two sides of the top end of the rotating platform are both connected with hydraulic rods, a connecting frame positioned at the center of the top of the rotating platform is arranged between the hydraulic rods, one side of the connecting frame is provided with a screw rod penetrating through the inside of the connecting frame and extending to the inside of the hydraulic rod, the other side of the connecting frame is fixedly provided with a fixed disk connected with the operating room, the lifting device comprises a, the first lifting hook and the second lifting hook are connected with clamping jaws on two sides respectively, a cross beam is fixedly connected between the first lifting hook and the clamping jaws, a coupler located at the top of the clamping jaws is connected to the outer wall of the cross beam through a loading sleeve, and a synchronous motor is connected to the clamping jaws on one side of the coupler.

Furthermore, anti-falling grooves are fixedly arranged on two sides of the sliding rail.

Furthermore, the telescopic rod is provided with a hoisting steel wire rope connected with the crane boom along the length direction of the sliding track.

Furthermore, one side of the bottom end of the mounting plate is connected with a bearing plate positioned at the bottom of the fixed seat.

Furthermore, a synchronous connecting rod connected with the first lifting hook and the second lifting hook is arranged at the bottom of the synchronous motor.

The technical effects of the utility model reside in that: the loading board that the fixing base is connected on the mounting panel, can bear the weight on operation room and the balancing weight to a great extent, movable rail connects's anticreep groove, can let the operation room carry out the removal of fore-and-aft direction position, the height of link is at first promoted through the hydraulic stem on the revolving stage, the cooperation fixed disk carries out the free motion in space, guarantee the personnel sight of operation room, synchronous machine passes through synchronous connecting rod with power transmission to first lifting hook and second lifting hook on, the jack catch on the rethread crossbeam is connected fixedly, guarantee the clamp of object and press from both sides fixedly, and the work efficiency is improved simultaneously, such heavy duty crane has improved performance greatly, and reasonable design, safety and stability, high work efficiency, the good working sight of personnel has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of a large crane according to the present invention;

FIG. 2 is a schematic structural view of the turntable of the present invention;

fig. 3 is a schematic view of the connection between the first hook and the second hook of the present invention.

Reference numerals: 1-mounting a plate; 2-a fixed seat; 3-a drive mechanism; 4-hoisting device; 5-an operation chamber; 6-rotating table; 7-a sliding track; 8, a telescopic rod; 9-a crane boom; 10-a hydraulic rod; 11-a connecting frame; 12-a screw; 13-fixing the disc; 14-a first hook; 15-a second hook; 16-claws; 17-a cross beam; 18-a loading sheath; 19-a coupling; 20-a synchronous machine; 21-anti-drop groove; 22-hoisting wire rope; 23-a carrier plate; 23-synchronous linkage.

Detailed Description

Referring to the attached drawings 1-3, a large crane comprises a mounting plate 1, a fixing seat 2, a driving mechanism 3, a hoisting device 4, an operating room 5 and a rotating platform 6, wherein one side of the mounting plate 1 is connected with a sliding track 7 through the fixing seat 2, the top of the sliding track 7 is connected with the rotating platform 6 through the driving mechanism 3, the top of the rotating platform 6 is connected with a telescopic rod 8 through the operating room 5, one side of the telescopic rod 8 is provided with a crane boom 9 connected with the hoisting device 4, two sides of the top end of the rotating platform 6 are both connected with hydraulic rods 10, a connecting frame 11 positioned at the center of the top of the rotating platform 6 is arranged between the hydraulic rods 10, one side of the connecting frame 11 is provided with a screw rod 12 penetrating through the inside of the connecting frame 11 and extending to the inside of the hydraulic rods 10, the other side of the connecting frame 11, hoisting accessory 4 include with first lifting hook 14 and second lifting hook 15 that jib loading boom 9 is connected, first lifting hook 14 with second lifting hook 15 both sides all are connected with jack catch 16, first lifting hook 14 with fixedly connected with crossbeam 17 between the jack catch 16, be connected with through loading cover 18 on the crossbeam 17 outer wall and be located the shaft coupling 19 at jack catch 16 top, shaft coupling 19 one side is kept away from be connected with synchronous machine 20 on the jack catch 16.

Preferably, the loading board 23 that fixing base 2 connects on the mounting panel 1, can bear the weight on operation room 5 and the balancing weight to a great extent, anticreep groove 21 that slip track 7 is connected, can let operation room 5 carry out the removal of fore-and-aft direction position, through the height that hydraulic stem 10 at first promoted link 11 on revolving stage 6, cooperation fixed disk 13 carries out the free motion in space, guarantee the personnel's sight of operation room 5, synchronous machine 20 passes through synchronous connecting rod 23 with power transmission to first lifting hook 14 and second lifting hook 15 on, the jack catch 16 on rethread crossbeam 17 is connected fixedly, guarantee the clamp of object and fix, and the performance is improved greatly to such large crane, and reasonable design, safety and stability, high working efficiency, the good working sight of personnel has been guaranteed.

Preferably, the slide rail 7 is fixedly provided with anti-drop grooves 21 on both sides.

Preferably, the telescopic rod 8 is provided with a hoisting cable 22 connected with the boom 9 along the length direction of the sliding rail 7.

Preferably, one side of the bottom end of the mounting plate 1 is connected with a bearing plate 23 positioned at the bottom of the fixing seat 2.

Preferably, a synchronous link 24 connected with the first hook 14 and the second hook 15 is provided at the bottom of the synchronous motor 20.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large crane, includes mounting panel (1), fixing base (2), actuating mechanism (3), hoisting accessory (4), control chamber (5) and revolving stage (6), mounting panel (1) one side is passed through fixing base (2) are connected with slip track (7), slip track (7) top is passed through actuating mechanism (3) are connected with revolving stage (6), revolving stage (6) top is passed through control chamber (5) are connected with telescopic link (8), telescopic link (8) one side be equipped with jib loading boom (9) that hoisting accessory (4) are connected, a serial communication port, revolving stage (6) top both sides all are connected with hydraulic stem (10), be equipped with between hydraulic stem (10) and be located link (11) of revolving stage (6) top center department, link (11) one side is equipped with and runs through link (11) inside and extend to the screw rod of hydraulic stem (10) inside (12) The lifting device comprises a connecting frame (11), a fixed disc (13) connected with an operation chamber (5) and is fixedly mounted on the other side of the connecting frame (11), a lifting device (4) comprises a first lifting hook (14) and a second lifting hook (15) connected with a lifting arm (9), clamping jaws (16) are connected to the two sides of the first lifting hook (14) and the two sides of the second lifting hook (15), a cross beam (17) is fixedly connected between the first lifting hook (14) and the clamping jaws (16), a coupler (19) located at the top of the clamping jaws (16) is connected to the outer wall of the cross beam (17) through a loading sleeve (18), and a synchronous motor (20) is connected to the clamping jaws (16) and is far away from one side of the coupler (19).

2. A large crane according to claim 1, wherein anti-drop grooves (21) are fixedly mounted on both sides of the sliding rail (7).

3. A large crane according to claim 1, characterized in that the telescopic rod (8) is provided with a hoisting cable (22) connected with the crane boom (9) along the length direction of the sliding rail (7).

4. A large crane according to claim 1, characterized in that a bearing plate (23) is connected to one side of the bottom end of the mounting plate (1) and is located at the bottom of the fixed base (2).

5. A large crane according to claim 1, characterized in that the synchronous motor (20) is provided at its bottom with a synchronous link (24) connected to the first hook (14) and the second hook (15).