CN222181613U

CN222181613U - A ring rail crane for petrochemical industry

Info

Publication number: CN222181613U
Application number: CN202421014768.XU
Authority: CN
Inventors: 劳文; 乔钦涛; 乔向东; 原韶坤; 王祯; 乔钦翔; 胡静; 郭志
Original assignee: Demag Crane Dalian Co ltd
Current assignee: Demag Crane Dalian Co ltd
Priority date: 2024-05-10
Filing date: 2024-05-10
Publication date: 2024-12-17
Anticipated expiration: 2034-05-10

Abstract

The utility model relates to the technical field of cranes, and in particular to a petrochemical ring rail crane, which not only removes a counterweight from a platform to prevent the counterweight from causing pressure on the platform and facilitates the rotation of the platform, but also can freely adjust the counterweight according to different material weights, thereby improving the flexibility of the device; it comprises a moving mechanism; it also comprises a hoisting mechanism, a counterweight mechanism, a connecting mechanism and an adjusting mechanism, the hoisting mechanism is installed on the moving mechanism and hoists the material, the counterweight mechanism is installed on the moving mechanism, the connecting mechanism is installed on the counterweight mechanism and cooperates to enhance the stability of the hoisting mechanism, and the adjusting mechanism is installed on the moving mechanism and adjusts the overall force condition of the device.

Description

Ring rail crane for petrochemical industry

Technical Field

The utility model relates to the technical field of cranes, in particular to a petrochemical circular rail crane.

Background

Along with the continuous optimization and upgrading of engineering application fields, lifting is more and more outstanding in efficiency and safety from the aspect of construction, integrated lifting of large-scale member ground modular prefabrication and petrochemical tank bodies is more and more trend, the continuous emerging super-large super-heavy device lifting construction is more and more required for the capacity of lifting machinery.

The prior circular rail crane disclosed in the patent application number 202121607857.1, for example, mainly comprises a chassis, a first end of a boom is rotatably connected with the chassis, a first end of a mast is rotatably connected with the chassis, a steel wire rope is connected with a second end of the boom and a second end of the mast, and an auxiliary bracket is arranged on the chassis and is configured to prop up the steel wire rope when the second end of the mast is to be lifted, and separate from the steel wire rope when the second end of the mast is lifted to a first height.

However, most of the existing ring rail crane counterweights are placed on the platform, the counterweights are required to be increased continuously along with the weight of hoisting, the existing ring rail crane counterweights are very troublesome, and the existing ring rail crane counterweights are placed on the platform in very occupied places to cause pressure on the platform.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the petrochemical circular rail crane which not only removes the counterweight from the platform and prevents the counterweight from causing pressure on the platform, facilitates the rotation of the platform, but also can freely adjust the counterweight according to different material weights, and improves the flexibility of the device.

The utility model discloses a circular rail crane for petrochemical industry, which comprises a moving mechanism, a hoisting mechanism, a counterweight mechanism, a connecting mechanism and an adjusting mechanism, wherein the hoisting mechanism is arranged on the moving mechanism and used for hoisting materials, the counterweight mechanism is arranged on the moving mechanism, the connecting mechanism is arranged on the counterweight mechanism and used for enhancing the stability of the hoisting mechanism in a matching way, the adjusting mechanism is arranged on the moving mechanism and used for adjusting the integral stress condition of a device, the angle and the weight of the adjusting mechanism are adjusted according to the materials to be hoisted, the device is prevented from toppling in the hoisting process, then the hoisting mechanism is used for hoisting the materials, and the moving mechanism is started to drive the materials to rotate after the materials are lifted to a required height, so that the stability of the hoisting mechanism in the rotating process can be enhanced through the arrangement of the counterweight mechanism and the connecting mechanism.

Preferably, the moving mechanism comprises a ring rail, four groups of vehicle bodies, eight groups of wheels, four groups of shock absorbers, a platform, two groups of winches and two groups of inclined pull ropes, wherein the bottom end of the ring rail is connected with the ground, the four groups of vehicle bodies are slidably arranged on the ring rail, the bottom end of each group of vehicle bodies is provided with two groups of wheels, the bottom end of the shock absorber is connected with the top end of the vehicle body, the bottom end of the platform is connected with the top end of the four groups of shock absorbers, the bottom ends of the two groups of winches are connected with the top end of the platform, one ends of the two groups of inclined pull ropes are respectively connected with the two groups of winches, the other ends of the two groups of inclined pull ropes are connected with the hoisting mechanism, after the hoisting mechanism lifts materials, the vehicle bodies are started, the vehicle bodies drive the wheels to rotate, the vehicle bodies are driven to move along the ring rail, the four groups of vehicle bodies do circular motion to drive the platform to rotate, the pressure of the platform to the vehicle bodies is slowed down through the shock absorbers, the service life of the device is prolonged, and the inclined pull ropes are pulled through the platform, so that the inclination angle of the hoisting mechanism is adjusted.

Preferably, the lifting mechanism comprises a first power device, a first rotating device, a main arm, a connecting shaft, a lifting rope and a lifting device, wherein the bottom end of the first power device is connected with the top end of the platform, the first power device is arranged on the first rotating device, the main arm is arranged on the first rotating device, the connecting shaft is arranged on the top end of the main arm, the lifting rope is wound on the connecting shaft, the lifting device is arranged on the lifting rope, the first power device is started, the first power device drives the rotating device to drive the main arm to rotate, then the lifting rope is used for releasing the lifting device to conveniently lift materials, and after the materials are hung on the lifting device, the connecting shaft pulls the lifting rope to roll, and the lifting rope lifts the lifting device and the materials to lift the materials.

Preferably, the device also comprises two groups of diagonal ropes which are respectively connected with the left side and the right side of the top end of the main arm, and by installing the two groups of diagonal ropes relatively, the stability of the diagonal ropes in the traction process of the main arm is improved, and the main arm is prevented from tilting left and right.

Preferably, the counterweight mechanism comprises a counterweight block, a sleeve, a turntable, a hydraulic base and a telescopic rod, wherein the bottom end of the counterweight block is connected with the ground, the sleeve is installed on the counterweight block and is rotationally connected with the platform, the bottom end of the turntable is rotationally installed at the top end of the counterweight block, the bottom end of the hydraulic base is connected with the top end of the turntable, the telescopic rod is rotationally installed on the hydraulic base, the telescopic rod is connected with the connecting mechanism and pulls the hoisting mechanism through the connecting mechanism, the hydraulic base controls the telescopic rod to stretch and retract so as to adjust the angle of the connecting mechanism, the tension of the hoisting mechanism is conveniently adjusted, the hoisting mechanism is prevented from toppling over, the stability of the device is maintained, the turntable is rotated along with the platform so as to keep the connection with the connecting mechanism, and the platform can be kept balanced through the sleeve.

Preferably, the connecting mechanism comprises a power device II, a rotating mechanism, a connecting arm, a connecting seat and a traction rope I, wherein the bottom end of the power device II is connected with the top end of the platform, the rotating mechanism is arranged on the power device II, the connecting arm is arranged on the rotating mechanism, the bottom end of the connecting seat is connected with the top end of the connecting arm and is rotationally connected with the telescopic rod, one end of the traction rope I is connected with the connecting seat, the other end of the traction rope I is connected with the main arm, the power device drives the connecting arm to rotate through the rotating mechanism, and meanwhile the length of the telescopic rod is adjusted, so that the connecting seat adjusts the angle of the traction rope I to pull the main arm, and the weight of different materials can be conveniently matched with the weight adjusting balance weight.

Preferably, the adjusting mechanism comprises a third power device, a third rotating device, a mast, a transmission device, a second traction rope, a second hoisting rope, four groups of positioning ropes, a bottom plate and a hydraulic cylinder, wherein the bottom end of the third power device is connected with the top end of the platform, the third rotating device is arranged on the third power device, the mast is arranged on the third rotating device, the transmission device is arranged on the top end of the mast, one end of the second traction rope is arranged on the transmission device, the other end of the second traction rope is connected with a main arm, the second hoisting rope is arranged on the transmission device, the four groups of positioning ropes are connected with the second hoisting rope, the top end of the bottom plate is connected with the bottom end of the four groups of positioning ropes, the hydraulic cylinder is arranged on the third power device and connected with the bottom plate, when the required counterweight of the material exceeds the capacity of the counterweight block, then the transmission device is started to pull the second hoisting rope, the hoisting rope upwards pulls the bottom plate and the counterweight block through the positioning ropes, meanwhile, the third power device and the third rotating device are used for adjusting the angle of the mast, so that the second traction rope generates a pulling force to the main arm, the counterweight is started to push the bottom plate, and the position of the counterweight is adjusted when the counterweight is not adjusting the weight of the object, and the counterweight is changed.

Compared with the prior art, the lifting mechanism has the beneficial effects that the angle and the weight of the adjusting mechanism are adjusted according to the materials to be lifted, the device is prevented from toppling in the lifting process, then the lifting mechanism lifts the materials, the moving mechanism is started to drive the materials to rotate after the materials are lifted to the required height, and the stability of the lifting mechanism in the rotating process can be enhanced through the arrangement of the counterweight mechanism and the connecting mechanism.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the movement mechanism of the present utility model;

FIG. 3 is a schematic view of a partially enlarged axial measurement structure of the hoisting mechanism of the utility model;

FIG. 4 is a schematic view of a partially enlarged axial measurement structure of the hoisting mechanism of the utility model;

FIG. 5 is a schematic view of a partially enlarged isometric construction of the counterweight mechanism and attachment mechanism of the utility model;

fig. 6 is a schematic view of a partially enlarged isometric construction of an adjustment mechanism of the present utility model.

The drawing comprises the components of 01, a moving mechanism, 11, a circular rail, 12, a vehicle body, 13, wheels, 14, a shock absorber, 15, a platform, 16, a winch, 17, a cable stayed rope, 02, a hoisting mechanism, 21, a first power device, 22, a first rotating device, 23, a main arm, 24, a connecting shaft, 25, a first hoisting rope, 26, a lifting hook device, 03, a counterweight mechanism, 31, a counterweight, 32, a sleeve, 33, a turntable, 34, a hydraulic base, 35, a telescopic rod, 04, a connecting mechanism, 41, a second power device, 42, a second rotating device, 43, a connecting arm, 44, a connecting seat, 45, a first traction rope, 05, an adjusting mechanism, 51, a third power device, 52, a third rotating device, 53, a mast, 54, a transmission device, 55, a second traction rope, 56, a second hoisting rope, 57, a positioning rope, 58, a bottom plate, 59 and a hydraulic cylinder.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The utility model relates to a petrochemical circular rail crane, which comprises a moving mechanism 01, and further comprises a hoisting mechanism 02, a counterweight mechanism 03, a connecting mechanism 04 and an adjusting mechanism 05, wherein the hoisting mechanism 02 is arranged on the moving mechanism 01 and is used for hoisting materials, the counterweight mechanism 03 is arranged on the moving mechanism 01, the connecting mechanism 04 is arranged on the counterweight mechanism 03 and is matched with the counterweight mechanism 03 to enhance the stability of the hoisting mechanism 02, the adjusting mechanism 05 is arranged on the moving mechanism 01 and is used for adjusting the integral stress condition of a device, the moving mechanism 01 comprises a circular rail 11, four groups of trolley bodies 12, eight groups of wheels 13, four groups of shock absorbers 14, a platform 15, two groups of winches 16 and two groups of diagonal ropes 17, the bottom end of the circular rail 11 is connected with the ground, the four groups of trolley bodies 12 are slidably arranged on the circular rail 11, the bottom end of each group of trolley bodies 12 is provided with two groups of wheels 13, the bottom end of the shock absorber 14 is connected with the top end of the trolley body 12, the bottom end of the platform 15 is connected with the top end of the four groups of the shock absorber 14, one end of the two groups of winches 16 is connected with the top end of the platform 15, one end of the two groups of diagonal ropes 17 is respectively connected with the two groups of winches 16, the other end of the other end is connected with the hoisting mechanism 02, and the hoisting mechanism 02 comprises a power device 21 and a power device comprises a power device, The lifting mechanism comprises a first rotating device 22, a main arm 23, a connecting shaft 24, lifting ropes 25 and lifting devices 26, wherein the bottom end of the first power device 21 is connected with the top end of a platform 15, the first rotating device 22 is provided with the first power device 21, the main arm 23 is arranged on the first rotating device 22, the connecting shaft 24 is arranged on the top end of the main arm 23, the lifting ropes 25 are wound on the connecting shaft 24, the lifting devices 26 are arranged on the lifting ropes 25, two groups of diagonal ropes 17 are respectively connected with the left side and the right side of the top end of the main arm 23, a counterweight mechanism 03 comprises a counterweight 31, a sleeve 32, a turntable 33, a hydraulic base 34 and a telescopic rod 35, the bottom end of the counterweight 31 is connected with the ground, the sleeve 32 is arranged on the counterweight 31 and is in rotary connection with the platform 15, the bottom end of the turntable 33 is in rotary connection with the top end of the counterweight 31, the bottom end of the hydraulic base 34 is connected with the top end of the turntable 33, the telescopic rod 35 is in rotary connection with the hydraulic base 34, the connecting mechanism 04 comprises a second power device 41, A turning mechanism 42, a connecting arm 43, The bottom end of the second power device 41 is connected with the top end of the platform 15, the rotary mechanism 42 is arranged on the second power device 41, the connecting arm 43 is arranged on the rotary mechanism 42, the bottom end of the connecting seat 44 is connected with the top end of the connecting arm 43, the connecting seat 44 is rotationally connected with the telescopic rod 35, one end of the first traction rope 45 is connected with the connecting seat 44, and the other end of the first traction rope is connected with the main arm 23; when the device works, firstly, the first power device 21 is started, the first power device 21 drives the first rotary device 22 to drive the main arm 23 to rotate, then the lifting rope 25 is used for releasing the lifting device 26 to conveniently lift materials, after the materials are hung on the lifting device 26, the connecting shaft 24 is used for pulling the lifting rope 25 to roll, the lifting rope 25 is used for lifting the lifting device 26 and the materials, the two groups of diagonal ropes 17 are oppositely arranged to improve the stability of the diagonal ropes 17 in the traction process of the main arm 23, the condition that the main arm 23 inclines left and right is prevented, the second power device 41 drives the connecting arm 43 to rotate through the rotary mechanism 42 and simultaneously adjusts the length of the telescopic rod 35, so that the connecting seat 44 is used for adjusting the angle of the pulling rope 45 for pulling the main arm 23, the weight of different materials is conveniently matched with the weight adjustment balance weight, the hydraulic base 34 controls the expansion and contraction of the telescopic rod 35 so as to adjust the angle of the connecting mechanism 04, the tension to the hoisting mechanism 02 is conveniently adjusted, the hoisting mechanism 02 is prevented from tilting, the stability of the device is maintained, the turntable 33 rotates along with the platform 15 so as to keep the connection with the connecting mechanism 04, the platform 15 can be kept balanced through the sleeve 32, after the hoisting mechanism 02 lifts the materials, the vehicle body 12 is started, the vehicle body 12 drives the vehicle wheels 13 to rotate, the vehicle wheels 13 drive the vehicle body 12 to move along the circular rail 11, the four sets of vehicle bodies 12 do circular motion so as to drive the platform 15 to rotate, the pressure of the platform 15 to the vehicle body 12 is relieved through the shock absorber 14, the service life of the device is prolonged, the inclined pull rope 17 is pulled by the platform 15, so that the inclination angle of the hoisting mechanism 02 is adjusted, the second power device 41 drives the connecting arm 43 to rotate by the rotary mechanism 42, and meanwhile, the length of the telescopic rod 35 is adjusted, so that the connecting seat 44 adjusts the angle of the first pulling rope 45 for pulling the main arm 23, and the weight adjusting balance weight of different materials is conveniently matched.

Example 2

As shown in FIGS. 1 to 6, the petrochemical circular rail crane according to the present utility model is based on embodiment 1, wherein the adjusting mechanism 05 comprises a third power unit 51, a third turning unit 52, a mast 53, a transmission 54, a second traction rope 55, a second hoisting rope 56, four sets of positioning ropes 57, a third power unit, The bottom plate 58 and the hydraulic cylinder 59, the bottom of the power device III 51 is connected with the top end of the platform 15, the turning device III 52 is installed on the power device III 51, the mast 53 is installed on the turning device III 52, the transmission device 54 is installed on the top end of the mast 53, one end of the hauling rope II 55 is installed on the transmission device 54, the other end is connected with the main arm 23, the hoisting rope II 56 is installed on the transmission device 54, the four groups of positioning ropes 57 are all connected with the hoisting rope II 56, the top end of the bottom plate 58 is connected with the bottom ends of the four groups of positioning ropes 57, and the rotary hydraulic cylinder 59 is installed on the power device III 51 and connected with the bottom plate 58; when the lifting device works, the first power device 21 is started firstly, the first power device 21 drives the first rotary device 22 to drive the main arm 23 to rotate, then the lifting rope 25 is used for downwards placing the lifting device 26 to conveniently lift materials, after the materials are hung on the lifting device 26, the connecting shaft 24 is used for pulling the lifting rope 25 to roll up the lifting rope 25, the lifting device 26 and the materials are lifted, the stability of the lifting device 26 in the traction process of the main arm 23 is improved by oppositely installing two groups of inclined pull ropes 17, the condition that the main arm 23 inclines left and right is prevented, the second power device 41 drives the connecting arm 43 to rotate through the rotary mechanism 42, the length of the telescopic rod 35 is adjusted simultaneously, so that the connecting seat 44 adjusts the angle of the pulling rope 45 to pull the main arm 23, the weight of different materials is conveniently matched, the hydraulic base 34 controls the telescopic rod 35 to stretch out and draw back of the connecting mechanism 04, the pulling force of the lifting mechanism 02 is conveniently adjusted, the lifting mechanism 02 is prevented from toppling over, the stability of the lifting device is maintained, the turntable 33 follows the platform 15 to rotate to keep connection with the connecting mechanism 04, the platform 15 is kept balanced through the sleeve 32, starting the car body 12, car body 12 drives wheels 13 to rotate, wheels 13 drive car body 12 to move along annular rail 11, four groups of car bodies 12 do circular motion and drive platform 15 to rotate, the pressure of platform 15 to car body 12 is slowed down through shock absorber 14, the service life of the device is prolonged, and inclined pull rope 17 is pulled through platform 15, thereby adjusting the inclination angle of hoisting mechanism 02, power device two 41 drives connecting arm 43 to rotate through slewing mechanism 42, simultaneously adjust the length of telescopic rod 35, thereby enabling connecting seat 44 to adjust the angle of pulling rope one 45 to pull main arm 23, conveniently cooperate with the weight adjustment balance weight of different materials, when the required balance weight of materials exceeds the capacity of balancing weight 31, place the balance weight on bottom plate 58, then start transmission device 54 to pull hoisting rope two 56, hoisting rope two 56 pull bottom plate 58 and the balance weight upwards through positioning rope 57, simultaneously power device three 51 and slewing device three 52 adjust the angle of mast 53, and enable pulling rope two 55 to produce pulling force to main arm 23, and also can start hydraulic cylinder 59 to push bottom plate 58 to adjust the position of bottom plate 58, thereby changing the pulling force.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The circular rail crane for petrochemical industry comprises a moving mechanism (01) and is characterized by further comprising a hoisting mechanism (02), a counterweight mechanism (03), a connecting mechanism (04) and an adjusting mechanism (05), wherein the hoisting mechanism (02) is arranged on the moving mechanism (01) and used for hoisting materials, the counterweight mechanism (03) is arranged on the moving mechanism (01), the connecting mechanism (04) is arranged on the counterweight mechanism (03) and used for enhancing the stability of the hoisting mechanism (02) in a matched mode, and the adjusting mechanism (05) is arranged on the moving mechanism (01) and used for adjusting the overall stress condition of the device.

2. The circular rail crane for petrochemical industry according to claim 1, wherein the moving mechanism (01) comprises a circular rail (11), four groups of vehicle bodies (12), eight groups of wheels (13), four groups of shock absorbers (14), a platform (15), two groups of winches (16) and two groups of inclined pull ropes (17), the bottom end of the circular rail (11) is connected with the ground, the four groups of vehicle bodies (12) are slidably mounted on the circular rail (11), the bottom end of each group of vehicle bodies (12) is provided with the two groups of wheels (13), the bottom end of the shock absorber (14) is connected with the top end of the vehicle body (12), the bottom end of the platform (15) is connected with the top ends of the four groups of shock absorbers (14), the bottom ends of the two groups of winches (16) are connected with the top ends of the platform (15), and one ends of the two groups of inclined pull ropes (17) are respectively connected with the two groups of winches (16), and the other ends of the two groups of inclined pull ropes are connected with the hoisting mechanism (02).

3. A petrochemical circular rail crane according to claim 2, characterized in that the hoisting mechanism (02) comprises a first power unit (21), a first rotating unit (22), a main arm (23), a connecting shaft (24), hoisting ropes (25) and hoisting devices (26), wherein the bottom end of the first power unit (21) is connected with the top end of the platform (15), the first rotating unit (22) is arranged on the first power unit (21), the main arm (23) is arranged on the first rotating unit (22), the connecting shaft (24) is arranged on the top end of the main arm (23), the hoisting ropes (25) are wound on the connecting shaft (24), and the hoisting devices (26) are arranged on the hoisting ropes (25).

4. A petrochemical circular rail crane according to claim 3, further comprising two sets of diagonal ropes (17) respectively connected to the left and right sides of the top end of the main arm (23).

5. The circular rail crane for petrochemical industry according to claim 2, wherein the counterweight mechanism (03) comprises a counterweight (31), a sleeve (32), a turntable (33), a hydraulic base (34) and a telescopic rod (35), the bottom end of the counterweight (31) is connected with the ground, the sleeve (32) is mounted on the counterweight (31) and is rotationally connected with the platform (15), the bottom end of the turntable (33) is rotationally mounted on the top end of the counterweight (31), the bottom end of the hydraulic base (34) is connected with the top end of the turntable (33), and the telescopic rod (35) is rotationally mounted on the hydraulic base (34).

6. The petrochemical circular rail crane according to claim 5, wherein the connecting mechanism (04) comprises a second power device (41), a rotating mechanism (42), a connecting arm (43), a connecting seat (44) and a first traction rope (45), the bottom end of the second power device (41) is connected with the top end of the platform (15), the rotating mechanism (42) is arranged on the second power device (41), the connecting arm (43) is arranged on the rotating mechanism (42), the bottom end of the connecting seat (44) is connected with the top end of the connecting arm (43) and the connecting seat (44) is rotationally connected with the telescopic rod (35), one end of the first traction rope (45) is connected with the connecting seat (44), and the other end of the first traction rope is connected with the main arm (23).

7. A petrochemical circular rail crane according to claim 3, characterized in that the adjusting mechanism (05) comprises a third power device (51), a third rotating device (52), a mast (53), a transmission device (54), a second traction rope (55), a second hoisting rope (56), four groups of positioning ropes (57), a bottom plate (58) and a hydraulic cylinder (59), the bottom end of the third power device (51) is connected with the top end of the platform (15), the third rotating device (52) is arranged on the third power device (51), the mast (53) is arranged on the third rotating device (52), the transmission device (54) is arranged on the top end of the mast (53), one end of the second traction rope (55) is arranged on the transmission device (54), the other end of the second traction rope (55) is connected with the main arm (23), the four groups of positioning ropes (57) are connected with the second hoisting rope (56), the top end of the bottom plate (58) is connected with the bottom end of the four groups of positioning ropes (57), and the hydraulic cylinder (59) is arranged on the third power device (51) and connected with the bottom plate (58).