Ring track crane for petrochemical engineering

Abstract

The utility model relates to the technical field of cranes, in particular to a petrochemical circular track crane, which not only removes a counter weight from a platform, prevents the counter weight from causing pressure on the platform and facilitates the rotation of the platform, but also can freely adjust the counter weight according to different material weights and improves the flexibility of the device. Comprising a moving mechanism; the device further comprises a hoisting mechanism, a counterweight mechanism, a connecting mechanism and an adjusting mechanism, the hoisting mechanism is installed on the moving mechanism and used for hoisting materials, the counterweight mechanism is installed on the moving mechanism, and the connecting mechanism is installed on the counterweight mechanism and matched with the counterweight mechanism to enhance the stability of the hoisting mechanism. The adjusting mechanism is installed on the moving mechanism and adjusts the overall stress condition of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a ring rail crane for petrochemical industry. Background Art

[0002] With the continuous optimization and upgrading of engineering application fields, from the construction level, hoisting has increasingly emphasized efficiency and safety. The modular prefabrication of large components on the ground and the integrated hoisting of petrochemical tanks have become more and more trends. The continuous emergence of hoisting construction of super-large and super-heavy devices has put forward greater and more requirements on the capacity of lifting machinery.

[0003] An existing rail crane, such as the rail crane disclosed in the utility model patent with application number 202121607857.1, has a main structure including a chassis, a first end of the boom being rotatably connected to the chassis, and a first end of the mast being rotatably connected to the chassis; a wire rope connecting the second end of the boom and the second end of the mast, and an auxiliary bracket provided on the chassis, wherein the auxiliary bracket is configured to support the wire rope when the second end of the mast is to be lifted, and when the second end of the mast is lifted to a first height, Separate from the steel wire rope; before the orbital crane is assembled, the boom and the mast are placed horizontally to the chassis, and the steel wire rope connected between the second end of the mast and the second end of the boom is approximately in a horizontal plane. The steel wire rope is supported by the auxiliary bracket, and the fulcrum formed by the auxiliary bracket is also the hinge point where the mast is lifted. The hinge point is raised to avoid dead angles when lifting, and at the same time, the force arm for lifting the mast is increased, so that the required pulling force of the steel wire rope is greatly reduced, and the weight of the boom is greater than the weight of the mast. Therefore, the mast can be lifted by tightening the luffing wire rope.

[0004] However, most of the existing ring rail crane counterweights are placed on the platform, and the counterweight needs to be continuously increased along with the weight of the hoisting, which is very troublesome. Moreover, it takes up a lot of space on the platform and puts pressure on the platform. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a petrochemical ring rail crane which not only removes the counterweight from the platform to prevent it 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.

[0006] The utility model discloses a petrochemical ring rail crane, comprising a mobile mechanism, a hoisting mechanism, a counterweight mechanism, a connecting mechanism and an adjusting mechanism. The hoisting mechanism is installed on the mobile mechanism and hoists materials, the counterweight mechanism is installed on the mobile 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 mobile mechanism and adjusts the overall force of the device. The angle and weight of the adjusting mechanism are adjusted according to the materials to be hoisted to prevent the device from tipping over during the hoisting process, and then the hoisting mechanism hoists the materials. After the materials are lifted to the required height, the mobile mechanism is started to drive the materials to rotate. The stability of the hoisting mechanism during the rotation process can be enhanced by setting the counterweight mechanism and the connecting mechanism.

[0007] Preferably, the mobile mechanism includes a circular rail, four groups of car bodies, eight groups of wheels, four groups of shock absorbers, a platform, two groups of winches and two groups of inclined ropes. The bottom end of the circular rail is connected to the ground, and the four groups of car bodies are slidably installed on the circular rail. Two groups of wheels are installed at the bottom end of each group of car bodies, the bottom end of the shock absorber is connected to the top of the car body, the bottom end of the platform is connected to the top of the four groups of shock absorbers, the bottom end of the two groups of winches is connected to the top of the platform, one end of the two groups of inclined ropes are respectively connected to the two groups of winches, and the other end is connected to the lifting mechanism; when the lifting mechanism lifts the material, the car body is started, the car body drives the wheels to rotate, and the wheels drive the car body to move along the circular rail, and the four groups of car bodies make circular motions to drive the platform to rotate, and the pressure of the platform on the car body is reduced by the shock absorbers, thereby extending the service life of the device, and the inclined ropes are pulled by the platform to adjust the inclination angle of the lifting mechanism.

[0008] Preferably, the lifting mechanism includes a power device, a slewing device, a main arm, a connecting shaft, a lifting rope and a lifting device, the bottom end of the power device is connected to the top of the platform, the slewing device is installed on the power device, the main arm is installed on the slewing device, the connecting shaft is installed on the top of the main arm, the lifting rope is wound around the connecting shaft, and the lifting device is installed on the lifting rope; start the power device, the power device drives the slewing device to drive the main arm to rotate, and then the lifting rope is lowered to the lifting device for convenient lifting of materials. After the material is hung on the lifting device, the connecting shaft pulls the lifting rope to reel in, and the lifting rope lifts the lifting device and the material to lift the material.

[0009] Preferably, two groups of inclined ropes are respectively connected to the left and right sides of the top of the main arm; by relatively installing the two groups of inclined ropes, the stability of the inclined ropes in the process of pulling the main arm is improved, preventing the main arm from tilting left and right.

[0010] Preferably, the counterweight mechanism includes a counterweight block, a sleeve, a turntable, a hydraulic base and a telescopic rod. The bottom end of the counterweight block is connected to the ground, the sleeve is installed on the counterweight block and is rotatably connected to the platform, the bottom end of the turntable is rotatably installed on the top end of the counterweight block, the bottom end of the hydraulic base is connected to the top end of the turntable, and the telescopic rod is rotatably installed on the hydraulic base; the telescopic rod is connected to the connecting mechanism and the lifting mechanism is pulled by the connecting mechanism, the hydraulic base controls the extension and retraction of the telescopic rod to adjust the angle of the connecting mechanism, which facilitates the adjustment of the pulling force on the lifting mechanism, prevents the lifting mechanism from tipping over, and maintains the stability of the device. The turntable rotates with the platform to maintain the connection with the connecting mechanism, and the platform can be kept balanced through the sleeve.

[0011] Preferably, the connecting mechanism includes a power device 2, a slewing mechanism, a connecting arm, a connecting seat and a traction rope 1, the bottom end of the power device 2 is connected to the top of the platform, the slewing mechanism is installed on the power device 2, the connecting arm is installed on the slewing mechanism, the bottom end of the connecting seat is connected to the top of the connecting arm and the connecting seat is rotatably connected to the telescopic rod, one end of the traction rope 1 is connected to the connecting seat, and the other end is connected to the main arm; the power device 2 drives the connecting arm to rotate through the slewing mechanism and adjusts the length of the telescopic rod at the same time, so that the connecting seat adjusts the angle of the traction rope 1 to pull the main arm, which is convenient for adjusting the counterweight to match the weight of different materials.

[0012] Preferably, the adjusting mechanism comprises a power device three, a slewing device three, a mast, a transmission device, a traction rope two, a lifting rope two, four groups of positioning ropes, a base plate and a hydraulic cylinder, the bottom end of the power device three is connected to the top end of the platform, the slewing device three is mounted on the power device three, the mast is mounted on the slewing device three, the transmission device is mounted on the top end of the mast, one end of the traction rope two is mounted on the transmission device, and the other end is connected to the main arm, the lifting rope two is mounted on the transmission device, the four groups of positioning ropes are all connected to the lifting rope two, the top end of the base plate is connected to the bottom end of the four groups of positioning ropes, and the rotating hydraulic cylinder is mounted on the power device three and connected to the base plate; when the required counterweight of the material exceeds the capacity of the counterweight block, the counterweight is placed on the base plate, and then the transmission device is started to pull the lifting rope two, and the lifting rope two pulls the base plate and the counterweight upward through the positioning rope, and at the same time, the power device three and the slewing device three adjust the angle of the mast so that the traction rope two generates a pulling force on the main arm, and the hydraulic cylinder can also be started to push the base plate without adjusting the weight of the counterweight, so as to adjust the position of the base plate and thus change the counterweight pulling force.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the angle and weight of the adjusting mechanism are adjusted according to the material to be hoisted to prevent the device from tipping over during the hoisting process; the hoisting mechanism then lifts the material; after the material is lifted to the required height, the moving mechanism is started to drive the material to rotate; and the stability of the hoisting mechanism during the rotation process can be enhanced by setting the counterweight mechanism and the connecting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural diagram of the mobile mechanism of the utility model;

[0016] Figure 3 It is a partially enlarged axonometric structural schematic diagram of the lifting mechanism of the utility model;

[0017] Figure 4 It is a partially enlarged axonometric structural schematic diagram of the lifting mechanism of the utility model;

[0018] Figure 5 It is a partially enlarged axonometric structural diagram of the counterweight mechanism and the connecting mechanism of the utility model;

[0019] Figure 6 It is a partially enlarged axonometric structural schematic diagram of the regulating mechanism of the utility model.

[0020] Markings in the attached drawings: 01, moving mechanism; 11, ring track; 12, vehicle body; 13, wheel; 14, shock absorber; 15, platform; 16, winch; 17, inclined rope; 02, lifting mechanism; 21, power unit 1; 22, slewing device 1; 23, main arm; 24, connecting shaft; 25, lifting rope 1; 26, hook device; 03, counterweight mechanism; 31, counterweight block; 32, sleeve; 33, turntable; 34, hydraulic base; 35, telescopic rod; 04, connecting mechanism; 41, power unit 2; 42, slewing device 2; 43, connecting arm; 44, connecting seat; 45, traction rope 1; 05, adjustment mechanism; 51, power unit 3; 52, slewing device 3; 53, mast; 54, transmission device; 55, traction rope 2; 56, lifting rope 2; 57, positioning rope; 58, bottom plate; 59, hydraulic cylinder. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] The utility model discloses a petrochemical ring rail crane, comprising a mobile mechanism 01; a hoisting mechanism 02, a counterweight mechanism 03, a connecting mechanism 04 and an adjusting mechanism 05, wherein the hoisting mechanism 02 is mounted on the mobile mechanism 01 and hoists materials, the counterweight mechanism 03 is mounted on the mobile mechanism 01, the connecting mechanism 04 is mounted on the counterweight mechanism 03 and cooperates to enhance the stability of the hoisting mechanism 02, and the adjusting mechanism 05 is mounted on the mobile mechanism 01 and adjusts the stress of the device as a whole; the mobile mechanism 01 comprises a ring rail 11, four sets of vehicle bodies 12, eight sets of wheels 13, four sets of shock absorbers 14, a platform 15, two sets of winches 16 and two A group of inclined ropes 17, the bottom end of the ring track 11 is connected to the ground, four groups of car bodies 12 are slidably installed on the ring track 11, two groups of wheels 13 are installed at the bottom end of each group of car bodies 12, the bottom end of the shock absorber 14 is connected to the top of the car body 12, the bottom end of the platform 15 is connected to the top of the four groups of shock absorbers 14, the bottom end of the two groups of winches 16 is connected to the top of the platform 15, one end of the two groups of inclined ropes 17 is connected to the two groups of winches 16 respectively, and the other end is connected to the lifting mechanism 02; the lifting mechanism 02 includes a power device 21, a slewing device 22, a main arm 23, a connecting shaft 24, a lifting rope 25 and a lifting device 26, the bottom end of the power device 21 The end is connected to the top of the platform 15, the slewing device 22 is installed on the power device 21, the main arm 23 is installed on the slewing device 22, the connecting shaft 24 is installed on the top of the main arm 23, the lifting rope 25 is wound around the connecting shaft 24, and the lifting device 26 is installed on the lifting rope 25; it also includes two groups of inclined ropes 17 respectively connected to the left and right sides of the top of the main arm 23; the counterweight mechanism 03 includes a counterweight block 31, a sleeve 32, a turntable 33, a hydraulic base 34 and a telescopic rod 35, the bottom end of the counterweight block 31 is connected to the ground, the sleeve 32 is installed on the counterweight block 31 and is rotatably connected to the platform 15, and the bottom end of the turntable 33 is rotatably installed on the counterweight The top of the weight block 31 and the bottom of the hydraulic base 34 are connected to the top of the turntable 33, and the telescopic rod 35 is rotatably mounted on the hydraulic base 34; the connecting mechanism 04 includes a power device 2 41, a slewing mechanism 42, a connecting arm 43, a connecting seat 44 and a traction rope 1 45, the bottom of the power device 2 41 is connected to the top of the platform 15, the slewing mechanism 42 is mounted on the power device 2 41, the connecting arm 43 is mounted on the slewing mechanism 42, the bottom of the connecting seat 44 is connected to the top of the connecting arm 43 and the connecting seat 44 is rotatably connected to the telescopic rod 35, one end of the traction rope 1 45 is connected to the connecting seat 44, and the other end is connected to the main arm 23;When it is working, first start the power device 21, the power device 21 drives the slewing device 22 to drive the main arm 23 to rotate, and then the lifting rope 25 lowers the lifting device 26 to facilitate lifting of materials. After the material is hung on the lifting device 26, the connecting shaft 24 pulls the lifting rope 25 to reel it up, and the lifting rope 25 lifts the lifting device 26 and the material to lift the material. By relatively installing two sets of inclined ropes 17, the stability of the inclined ropes 17 in the process of pulling the main arm 23 is improved, and the main arm 23 is prevented from tilting left and right. The power device 241 drives the connecting arm 43 to rotate through the slewing mechanism 42, and at the same time adjusts the length of the telescopic rod 35, so that the connecting seat 44 adjusts the angle of the traction rope 45 to pull the main arm 23, which is convenient for adjusting the counterweight according to the weight of different materials. The hydraulic base 34 controls the extension and retraction of the telescopic rod 35 to adjust the angle of the connecting mechanism 04, which is convenient for adjusting the lifting. The pulling force of mechanism 02 prevents the lifting mechanism 02 from tipping over and maintains the stability of the device. The turntable 33 rotates with the platform 15 to maintain the connection with the connecting mechanism 04. The sleeve 32 can keep the platform 15 balanced. After the lifting mechanism 02 lifts the material, the vehicle body 12 is started, and the vehicle body 12 drives the wheels 13 to rotate. The wheels 13 drive the vehicle body 12 to move along the ring track 11. The four groups of vehicle bodies 12 make circular motions to drive the platform 15 to rotate. The shock absorber 14 reduces the pressure of the platform 15 on the vehicle body 12 to extend the service life of the device. The inclined rope 17 is pulled by the platform 15 to adjust the inclination angle of the lifting mechanism 02. The power device 2 41 drives the connecting arm 43 to rotate through the slewing mechanism 42, and adjusts the length of the telescopic rod 35 at the same time, so that the connecting seat 44 adjusts the angle of the traction rope 1 45 to pull the main arm 23, which is convenient for adjusting the counterweight according to the weight of different materials. ;

[0024] Example 2

[0025] like Figures 1 to 6As shown, a petrochemical ring rail crane of the utility model is based on Example 1; the adjustment mechanism 05 includes a power device 3 51, a slewing device 3 52, a mast 53, a transmission device 54, a traction rope 2 55, a hoisting rope 2 56, four sets of positioning ropes 57, a bottom plate 58 and a hydraulic cylinder 59, the bottom end of the power device 3 51 is connected to the top of the platform 15, the slewing device 3 52 is installed on the power device 3 51, the mast 53 is installed on the slewing device 3 52, the transmission device 54 is installed on the top of the mast 53, one end of the traction rope 2 55 is installed on the transmission device 54, and the other end is connected to the main arm 23, the hoisting rope 2 56 is installed on the transmission device 54, the four sets of positioning ropes 57 are all connected to the hoisting rope 2 56, the top of the bottom plate 58 is connected to the bottom end of the four sets of positioning ropes 57, and the rotating hydraulic cylinder 59 is installed on the power device 3 51 and connected to the bottom plate 58;When it is working, first start the power device 21, the power device 21 drives the slewing device 22 to drive the main arm 23 to rotate, and then the lifting rope 25 lowers the lifting device 26 to facilitate the lifting of materials. After the material is hung on the lifting device 26, the connecting shaft 24 pulls the lifting rope 25 to reel, and the lifting rope 25 lifts the lifting device 26 and the material to lift the material. By relatively installing two sets of inclined ropes 17, the stability of the inclined ropes 17 in the process of pulling the main arm 23 is improved, and the main arm 23 is prevented from tilting left and right. The power device 241 drives the slewing mechanism 42 to rotate. The movable connecting arm 43 rotates, and the length of the telescopic rod 35 is adjusted at the same time, so that the connecting seat 44 adjusts the angle of the traction rope 45 to pull the main arm 23, which is convenient for adjusting the counterweight according to the weight of different materials. The hydraulic base 34 controls the extension and contraction of the telescopic rod 35 to adjust the angle of the connecting mechanism 04, which is convenient for adjusting the pulling force on the lifting mechanism 02, preventing the lifting mechanism 02 from tipping over and maintaining the stability of the device. The turntable 33 rotates with the platform 15 to maintain the connection with the connecting mechanism 04. The sleeve 32 can keep the platform 15 balanced. When the lifting mechanism 02 lifts the material After that, the vehicle body 12 is started, and the vehicle body 12 drives the wheels 13 to rotate, and the wheels 13 drive the vehicle body 12 to move along the circular track 11. The four groups of vehicle bodies 12 make circular motions to drive the platform 15 to rotate, and the shock absorber 14 is used to reduce the pressure of the platform 15 on the vehicle body 12 to extend the service life of the device. The inclined rope 17 is pulled by the platform 15 to adjust the inclination angle of the lifting mechanism 02. The power device 2 41 drives the connecting arm 43 to rotate through the slewing mechanism 42, and at the same time adjusts the length of the telescopic rod 35, so that the connecting seat 44 adjusts the angle of the traction rope 1 45 to pull the main arm 23 , it is convenient to adjust the counterweight according to the weight of different materials. When the counterweight required by the material exceeds the capacity of the counterweight block 31, the counterweight is placed on the bottom plate 58, and then the transmission device 54 is started to pull the lifting rope 2 56. The lifting rope 2 56 pulls the bottom plate 58 and the counterweight upward through the positioning rope 57. At the same time, the power device 3 51 and the slewing device 3 52 adjust the angle of the mast 53, so that the traction rope 2 55 generates a pulling force on the main arm 23. When the weight of the counterweight is not adjusted, the hydraulic cylinder 59 can be started to push the bottom plate 58 to adjust the position of the bottom plate 58 to change the counterweight pulling force. ;

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A petrochemical ring rail crane, comprising a moving mechanism (01); characterized in that: The device also includes a lifting mechanism (02), a counterweight mechanism (03), a connecting mechanism (04) and an adjusting mechanism (05). The lifting mechanism (02) is installed on the mobile mechanism (01) and lifts materials. The counterweight mechanism (03) is installed on the mobile mechanism (01). The connecting mechanism (04) is installed on the counterweight mechanism (03) and cooperates to enhance the stability of the lifting mechanism (02). The adjusting mechanism (05) is installed on the mobile mechanism (01) and adjusts the overall force condition of the device.

2. A petrochemical ring rail crane as claimed in claim 1, characterized in that: The mobile 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 ropes (17). The bottom end of the circular rail (11) is connected to the ground. The four groups of vehicle bodies (12) are slidably mounted on the circular rail (11). Two groups of wheels (13) are mounted at the bottom end of each group of vehicle bodies (12). The bottom end of the shock absorber (14) is connected to the top end of the vehicle body (12). The bottom end of the platform (15) is connected to the top end of the four groups of shock absorbers (14). The bottom end of the two groups of winches (16) is connected to the top end of the platform (15). One end of the two groups of inclined ropes (17) is respectively connected to the two groups of winches (16), and the other end is connected to the lifting mechanism (02).

3. A petrochemical ring rail crane as claimed in claim 2, characterized in that: The hoisting mechanism (02) comprises a power device (21), a slewing device (22), a main arm (23), a connecting shaft (24), a hoisting rope (25) and a hoisting device (26). The bottom end of the power device (21) is connected to the top end of the platform (15), the slewing device (22) is installed on the power device (21), the main arm (23) is installed on the slewing device (22), the connecting shaft (24) is installed on the top end of the main arm (23), the hoisting rope (25) is wound around the connecting shaft (24), and the hoisting device (26) is installed on the hoisting rope (25).

4. A petrochemical ring rail crane as claimed in claim 3, characterized in that: It also includes two groups of inclined ropes (17) respectively connected to the left and right sides of the top of the main arm (23).

5. A petrochemical ring rail crane as claimed in claim 2, characterized in that: The counterweight mechanism (03) comprises a counterweight block (31), a sleeve (32), a turntable (33), a hydraulic base (34) and a telescopic rod (35). The bottom end of the counterweight block (31) is connected to the ground, the sleeve (32) is mounted on the counterweight block (31) and is rotatably connected to the platform (15), the bottom end of the turntable (33) is rotatably mounted on the top end of the counterweight block (31), the bottom end of the hydraulic base (34) is connected to the top end of the turntable (33), and the telescopic rod (35) is rotatably mounted on the hydraulic base (34).

6. A petrochemical ring rail crane as claimed in claim 5, characterized in that: The connecting mechanism (04) comprises a power device 2 (41), a slewing mechanism (42), a connecting arm (43), a connecting seat (44) and a traction rope 1 (45). The bottom end of the power device 2 (41) is connected to the top end of the platform (15). The slewing mechanism (42) is installed on the power device 2 (41). The connecting arm (43) is installed on the slewing mechanism (42). The bottom end of the connecting seat (44) is connected to the top end of the connecting arm (43) and the connecting seat (44) is rotatably connected to the telescopic rod (35). One end of the traction rope 1 (45) is connected to the connecting seat (44), and the other end is connected to the main arm (23).

7. A petrochemical ring rail crane as claimed in claim 3, characterized in that: The adjusting mechanism (05) comprises a power device 3 (51), a slewing device 3 (52), a mast (53), a transmission device (54), a traction rope 2 (55), a hoisting rope 2 (56), four sets of positioning ropes (57), a base plate (58) and a hydraulic cylinder (59). The bottom end of the power device 3 (51) is connected to the top end of the platform (15), the slewing device 3 (52) is installed on the power device 3 (51), the mast (53) is installed on the slewing device 3 (52), and the transmission device (54) is connected to the bottom end of the power device 3 (51) and the top end of the platform (15). The transmission device (54) is installed at the top of the mast (53), one end of the traction rope (55) is installed on the transmission device (54), and the other end is connected to the main arm (23), the lifting rope (56) is installed on the transmission device (54), the four groups of positioning ropes (57) are all connected to the lifting rope (56), the top of the bottom plate (58) is connected to the bottom end of the four groups of positioning ropes (57), and the rotating hydraulic cylinder (59) is installed on the power device (51) and connected to the bottom plate (58).

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