CN115744689B - Hoisting equipment and method for shield tunneling machine - Google Patents
Hoisting equipment and method for shield tunneling machine Download PDFInfo
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- CN115744689B CN115744689B CN202211323593.6A CN202211323593A CN115744689B CN 115744689 B CN115744689 B CN 115744689B CN 202211323593 A CN202211323593 A CN 202211323593A CN 115744689 B CN115744689 B CN 115744689B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 description 6
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Abstract
The invention discloses hoisting equipment and a hoisting method for a shield tunneling machine, wherein a crane is provided with a rotary table, a main arm and an auxiliary arm, the main arm and the auxiliary arm are both arranged on the rotary table, the main arm and the auxiliary arm are both obliquely arranged, the upper end of the main arm is provided with a first pulley assembly, and the upper end of the auxiliary arm is provided with a second pulley assembly; the first weight piece and the second weight piece are both arranged on the crane, and the first weight piece and the second weight piece are arranged at intervals; one end of the main pull rope is connected with the first counterweight, the other end of the main pull rope is connected with the first pulley assembly, and the other end of the main pull rope is also used for fixing the shield machine; the first counterweight and the second counterweight are adopted, the first pulley assembly and the second pulley assembly are connected with each other through the main pull rope, the auxiliary pull rope, the first auxiliary rope and the second auxiliary rope, simultaneously, the main arm and the auxiliary arm bear the pulling force of the shield tunneling machine jointly, the maximum counterweight of the crane is improved, the maximum lifting capacity of the lifting device is improved, and a single crane can lift the heavier shield tunneling machine.
Description
Technical Field
The invention relates to the technical field of large-scale construction equipment transportation, in particular to hoisting equipment and method for a shield tunneling machine.
Background
Along with urban development, subways become one of the main modes for relieving traffic pressure, and urban subway construction is also fully spread. The shield machine is used as a modern underground engineering construction machine and plays an irreplaceable role in subway construction. As an indispensable link of shield construction, the shield machine disassembling operation after the tunneling task is completed has the characteristics of strong specialization, high risk, multiple limiting factors and the like.
At present, a large-scale shield machine is needed for constructing a super railway, however, the large-scale shield machine has heavy weight and is difficult to transport into a wellhead; in the prior art, a double crane is generally adopted to hoist a large shield machine, the maximum lifting capacity of a single crane is lower, the maximum lifting capacity is related to the counterweight of the crane and how the counterweight is set, and the smaller the counterweight is, the closer the counterweight is to a lifting rope, the smaller the maximum lifting capacity is; therefore, two cranes are required to lift simultaneously, and in the lifting process, the operation is complex, and time and labor are wasted.
Disclosure of Invention
The invention mainly aims to provide hoisting equipment for a shield machine, and aims to adjust the position of a weight piece and the relation between the weight piece and a main pull rope, improve the maximum lifting capacity and transport the shield machine, and improve the transport efficiency.
In order to achieve the above object, the present invention provides a lifting device for a shield tunneling machine, comprising:
a crane; the crane is provided with a rotary table, a main arm and an auxiliary arm, the main arm and the auxiliary arm are both arranged on the rotary table, the main arm and the auxiliary arm are both obliquely arranged, the upper end of the main arm is provided with a first pulley assembly, and the upper end of the auxiliary arm is provided with a second pulley assembly;
a first weight and a second weight; the first weight piece and the second weight piece are both arranged on the crane, the first weight piece and the second weight piece are arranged at intervals, and a pulley is arranged at the upper end of the first weight piece;
a main pull rope and an auxiliary pull rope; one end of the main pull rope is connected with one end of the auxiliary pull rope through the pulley, the other end of the main pull rope is connected with the pulley of the first pulley assembly, and the other end of the main pull rope is also used for binding the shield machine; the other end of the auxiliary stay cord is in sliding connection with the second pulley assembly;
a first auxiliary rope and a second auxiliary rope; one end of the first auxiliary rope is connected with the second counterweight, the other end of the first auxiliary rope is in sliding connection with the second pulley assembly, two ends of the second auxiliary rope respectively penetrate through the first pulley assembly and the second pulley assembly, and two ends of the second auxiliary rope are respectively connected with the first auxiliary rope and the auxiliary pull rope;
a driving motor; the first auxiliary rope is wound on an output shaft of the driving motor, and the driving motor is used for driving the first auxiliary rope to hoist the shield tunneling machine.
Preferably, the main arm and the auxiliary arm are of telescopic structures, the length of the main arm is 24-84 m, and the length of the auxiliary arm is 24-72 m.
Preferably, the working radius of the crane is 11-30 m.
Preferably, the main arm forms a first included angle with the X axis, the auxiliary arm forms a second included angle with the X axis, and the degree of the first included angle is 62-68 degrees; the degree of the second included angle is equal to the degree of the first included angle.
Preferably, a third included angle is formed between the main pull rope and the auxiliary pull rope, and a fourth included angle is formed between the first auxiliary rope and the Y axis; the degree of the third included angle is 43-48 degrees; the degree of the fourth included angle is 6-12 degrees.
Preferably, the rotary table is located at one end of the crane, the first weight is located at the middle of the crane, and the second weight is located at the other end of the crane.
Preferably, the lower end of the crane is provided with at least four supporting legs, the supporting legs can be movably telescopic, and the supporting legs are used for supporting the crane.
Preferably, the crane is provided with a moving track for walking.
The invention also provides a hoisting method for the shield tunneling machine, comprising the crane, wherein the hoisting method comprises the following steps:
step S1: erecting a crane on a supporting table, adjusting a main arm and an auxiliary arm to a preset height, and adjusting a first included angle and a second included angle to a preset angle so that the shield tunneling machine is positioned in the working radius of the crane;
step S2: according to the weight of each part of the shield machine, the first weight balancing piece and the second weight balancing piece are debugged, so that the maximum weight lifted by the crane is larger than the weight of each part of the shield machine;
step S3: the other end of the main pull rope is adopted to bind the shield machine, the driving motor drives the first auxiliary rope to hoist the shield machine, and the rotating table is rotated, so that the shield machine is located above a preset position, the driving motor slowly descends the main pull rope, and the shield machine falls into the preset position.
Preferably, before the main arm and the auxiliary arm are debugged, the hoisting method further comprises:
the adjusting support leg is propped against the supporting table so that the crane is horizontally placed on the supporting table.
The technical scheme of the invention is that a rotating table, a main arm and an auxiliary arm are arranged through a crane, the main arm and the auxiliary arm are both arranged on the rotating table, the main arm and the auxiliary arm are both obliquely arranged, a first pulley assembly is arranged at the upper end of the main arm, and a second pulley assembly is arranged at the upper end of the auxiliary arm; the first weight piece and the second weight piece are both arranged on the crane, the first weight piece and the second weight piece are arranged at intervals, and a pulley is arranged at the upper end of the first weight piece; one end of the main pull rope is connected with one end of the auxiliary pull rope through the pulley, the other end of the main pull rope is connected with the pulley of the first pulley assembly, and the other end of the main pull rope is also used for binding the shield machine; the other end of the auxiliary stay rope is connected with the second pulley assembly in a sliding manner, one end of the first auxiliary stay rope is connected with the second counterweight, the other end of the first auxiliary stay rope is connected with the second pulley assembly in a sliding manner, two ends of the second auxiliary stay rope respectively penetrate through the first pulley assembly and the second pulley assembly, and two ends of the second auxiliary stay rope are respectively connected with the first auxiliary stay rope and the auxiliary stay rope; the first auxiliary rope is wound on an output shaft of the driving motor, and the driving motor is used for driving the first auxiliary rope to hoist the shield tunneling machine. Adopt first weight spare and second weight spare to and first pulley component and second pulley component, through main stay cord, vice stay cord, first supplementary rope and the supplementary rope interconnect of second between first weight spare, second pulley component and the second pulley component, main arm and auxiliary arm bear the pulling force of shield machine jointly simultaneously, and first weight spare and second weight spare interval set up, make the biggest counter weight of single crane obtain improving, improve lifting device's biggest lifting weight, make single crane can hoist the heavier shield machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the system and method for automatically guiding and controlling a shield tunneling machine according to the present invention.
FIG. 2 is a schematic diagram of the stress of an embodiment of the system and method for automatically guiding and controlling a shield tunneling machine according to the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Supporting table | 62 | Second auxiliary rope |
| 2 | Crane | 7 | First pulley assembly |
| 21 | Rotary table | 8 | Second pulley assembly |
| 22 | Landing leg | 9 | Driving motor |
| 3 | Main arm | 10 | Shield machine |
| 4 | Auxiliary arm | a | First included angle |
| 5 | First weight | b | Second included angle |
| 51 | Main pull rope | c | Third included angle |
| 52 | Auxiliary stay cord | d | Fourth included angle |
| 6 | Second weight | L | Radius of operation |
| 61 | First auxiliary rope |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides lifting equipment and a lifting method for a shield tunneling machine 10. Referring to fig. 1 to 2, in a first embodiment of the present invention, the lifting device for a shield tunneling machine 10 includes: a crane 2; the crane 2 is provided with a rotary table 21, a main arm 3 and an auxiliary arm 4, the main arm 3 and the auxiliary arm 4 are both arranged on the rotary table 21, the main arm 3 and the auxiliary arm 4 are both obliquely arranged, a V-shaped included angle is formed between the main arm 3 and the auxiliary arm 4, the supporting strength of the main arm 3 is greater than that of the auxiliary arm 4, the length of the main arm 3 is greater than that of the auxiliary arm 4, and the main arm 3 and the auxiliary arm 4 are both positioned above the crane 2; the main arm 3 is used for bearing the main pulling force of the shield machine 10, and the auxiliary arm 4 is mainly used for being matched with the main arm 3 to assist the main arm 3 to share the pulling force of the shield machine 10.
The hoisting device further comprises a first counterweight 5 and a second counterweight 6; the first weight piece 5 and the second weight piece 6 are both installed on the crane 2, and the first weight piece 5 and the second weight piece 6 are arranged at intervals; the hoisting equipment only adopts the main arm 3 and the first weight piece 5 to hoist general articles, the first weight piece 5, the second weight piece 6, the first pulley component 7, the main pull rope 51 and the auxiliary pull rope 52 are mutually connected to form a combined lever structure, and the first pulley component 7 is a hoisting fulcrum; the pulley is arranged at the upper end of the first weight part 5, the main pull rope 51 passes through the pulley of the first weight part 5 and is connected with the auxiliary pull rope 52, when the heavier shield tunneling machine 10 is lifted, the first weight part 5 and the second weight part 6 are matched, the first weight part 5 and the second weight part 6 are arranged at intervals, so that the lever length is increased, the maximum lifting capacity of the lifting device is improved, in the prior art, the weight parts are generally made of concrete, however, in the embodiment, the first weight part 5 and the second weight part 6 are both made of cast iron, the density of cast iron is greater than that of the concrete, and the weight of cast iron is greater than that of the concrete under the same volume, so that the maximum lifting capacity of the lifting device is further improved.
The hoisting device further comprises a main pulling rope 51; one end of the main pulling rope 51 is connected with the first weight 5, the other end of the main pulling rope 51 is connected with the first pulley assembly 7, and the other end of the main pulling rope 51 is used for binding the shield machine 10; the first pulley assembly 7 or the second pulley assembly 8 is a mechanical structure formed by assembling a plurality of movable pulleys and fixed pulleys, so that the force application direction can be saved, the main pull rope 51 is driven to move, the shield tunneling machine 10 can be lifted through the first pulley assembly 7, the main pull rope 51 is in sliding connection with the first pulley assembly 7, and the first pulley assembly 7 saves the pulling force required by the crane 2 for lifting the shield tunneling machine 10.
The hoisting device further comprises a secondary pull rope 52, a first auxiliary rope 61 and a second auxiliary rope 62, wherein one end of the secondary pull rope 52 is connected with the first counterweight 5, and the other end of the secondary pull rope 52 is connected with the second pulley assembly 8; one end of the first auxiliary rope 61 is connected with the second counterweight 6, the other end of the first auxiliary rope 61 is connected with the second pulley assembly 8, both ends of the second auxiliary rope 62 are respectively connected with the first pulley assembly 7 and the second pulley assembly 8, in this embodiment, the second auxiliary rope 62 is respectively slidably connected with the first pulley assembly 7 and the second pulley assembly 8, and the second auxiliary rope 62 is used for adjusting the inclination angle of the main arm 3 and improving the supporting performance of the main arm 3; the auxiliary pull rope 52 is in sliding connection with the second pulley assembly 8 and is also connected with the second auxiliary rope 62, and is used for driving the second auxiliary rope 62 to move, so that the structural stability of the lifting device during lifting is improved, the pulling force of the shield machine 10 is transmitted to the first counterweight 5 through the first pulley assembly 7 and the main pull rope 51, and the pulling force of the shield machine 10 is also transmitted to the second counterweight 6 through the second auxiliary rope 62 and the first auxiliary rope 61, so that the maximum lifting capacity of the lifting device is improved.
The hoisting device also comprises a driving motor 9; the driving motor 9 is connected with the first auxiliary rope 61, the driving motor 9 is used for driving the first auxiliary rope 61 to hoist the shield machine 10, the first auxiliary rope 61 is wound on an output shaft of the driving motor 9, and when the driving motor 9 rotates, the first auxiliary rope 61 can be pulled to move, so that the main pull rope 51 is driven to hoist the shield machine 10.
The working principle of the hoisting equipment is as follows: referring to fig. 1, an arrow in fig. 1 indicates a direction of pulling force, a driving motor 9 rotates to drive a first auxiliary rope 61 to move downwards, the first auxiliary rope 61 is connected with a second auxiliary rope 62, so that the second auxiliary rope 62 moves towards a second pulley assembly 8, the second auxiliary rope 62 is equivalent to a mechanical conveyor belt, the second auxiliary rope 62 is connected with a secondary pulling rope 52, the second auxiliary rope 62 drives the secondary pulling rope 52 to move upwards, a pulley is arranged between the primary pulling rope 51 and the secondary pulling rope 52, the pulley is positioned at the upper end of a first counterweight 5, the secondary pulling rope 52 drives the primary pulling rope 51 to move through the pulley, then the other end of the primary pulling rope 51 passes through a first pulley assembly 7, the primary pulling rope 51 drives a shield machine 10 to move upwards through the first pulley assembly 7, the torque force of the driving motor 9 is converted into pulling force through the first auxiliary rope 61, the first pulley assembly 7, the second pulley assembly 8 and the pulley change the direction of pulling force, and simultaneously, the pressure of the first counterweight 5 and the second counterweight 6 are utilized, the maximum lifting weight of a crane 2 is improved, and the heavier shield machine 10 is lifted.
In the present embodiment, the main rope 51, the sub-rope 52, the first auxiliary rope 61, and the second auxiliary rope 62 may be the same rope, and the ropes are wound around each other in the first pulley assembly 7, the second pulley assembly 8, and the pulleys to form the main rope 51, the sub-rope 52, the first auxiliary rope 61, and the second auxiliary rope 62 described in the present example.
According to the technical scheme, a rotary table 21, a main arm 3 and an auxiliary arm 4 are arranged through a crane 2, the main arm 3 and the auxiliary arm 4 are both arranged on the rotary table 21, the main arm 3 and the auxiliary arm 4 are both obliquely arranged, a first pulley assembly 7 is arranged at the upper end of the main arm 3, and a second pulley assembly 8 is arranged at the upper end of the auxiliary arm 4; the first weight piece 5 and the second weight piece 6 are both arranged on the crane 2, the first weight piece 5 and the second weight piece 6 are arranged at intervals, and a pulley is arranged at the upper end of the first weight piece 5; one end of the main pulling rope 51 is connected with one end of the auxiliary pulling rope 52 through the pulley, the other end of the main pulling rope 51 is connected with the pulley of the first pulley assembly 7, and the other end of the main pulling rope 51 is also used for binding the shield machine 10; the other end of the auxiliary rope 52 is slidably connected with the second pulley assembly 8, one end of the first auxiliary rope 61 is connected with the second counterweight 6, the other end of the first auxiliary rope 61 is slidably connected with the second pulley assembly 8, two ends of the second auxiliary rope 62 respectively pass through the first pulley assembly 7 and the second pulley assembly 8, and two ends of the second auxiliary rope 62 are respectively connected with the first auxiliary rope 61 and the auxiliary rope 52; the first auxiliary rope 61 is wound on an output shaft of the driving motor 9, and the driving motor 9 is used for driving the first auxiliary rope 61 to hoist the shield tunneling machine 10. The first counterweight 5, the second counterweight 6, the first pulley assembly 7 and the second pulley assembly 8 are adopted, the first counterweight 5, the second counterweight 6, the first pulley assembly 7 and the second pulley assembly 8 are connected with each other through the main pull rope 51, the auxiliary pull rope 52, the first auxiliary rope 61 and the second auxiliary rope 62, meanwhile, the main arm 3 and the auxiliary arm 4 bear the pulling force of the shield tunneling machine 10 together, the first counterweight 5 and the second counterweight 6 are arranged at intervals, the maximum counterweight of a single crane is improved, the maximum lifting capacity of lifting equipment is improved, and the single crane can lift the heavier shield tunneling machine 10.
The main arm 3 and the auxiliary arm 4 are both of a telescopic structure, the length of the main arm 3 is 24-84 m, and the length of the auxiliary arm 4 is 24-72 m. In this embodiment, the length of the main arm 3 is 36m, and the length of the auxiliary arm 4 is 30m, so that the shield machine 10 can be lifted to a preset height, if the shield machine 10 is lifted too low, the shield machine 10 can easily collide with other sundries on a construction site when transported in the air, so as to avoid potential safety hazards, and the lengths of the main arm 3 and the auxiliary arm 4 can be adjusted according to the lifting height, thereby meeting the transportation requirement of the shield machine 10.
The working radius L of the crane 2 is 11 to 30m. In this embodiment, the working radius L of the crane 2 is 18m, and in actual operation, the smaller the working radius L, the smaller the weights of the first counterweight 5 and the second counterweight 6 required by the crane 2, since the supporting table 1 cannot be located too close to the wellhead, the protection of the wellhead and the supporting structure are slightly weaker, if the crane 2 is too close to the supporting table 1, the potential safety hazard of collapse of the wellhead is likely to exist, so that the working radius L of the crane 2 is set at 18m, i.e. the position of the crane 2 is ensured to be far away from the wellhead, and the shield tunneling machine 10 can be lifted.
In addition, the main arm 3 forms a first included angle a with the X axis, the auxiliary arm 4 forms a second included angle b with the X axis, a first pulley assembly 7 is arranged at the upper end of the main arm 3, and a second pulley assembly 8 is arranged at the upper end of the auxiliary arm 4; the X axis is an axis in the horizontal direction, the Y axis is an axis in the vertical direction, and the degree of the first included angle a is 62-68 degrees; the degree of the second included angle b is equal to the degree of the first included angle a; in this embodiment, the degree of the first angle a or the second angle b is 65.5 °; the first included angle a or the second included angle b can be adjusted according to the hoisting environment of the current day, and the degree of the first included angle a or the second included angle b is adjusted according to the wind speed, the counterweight and the operation site in the test hoisting environment, so that the maximum hoisting capacity of the shield machine 10 is met, the larger the first included angle a is, the smaller the operation radius L of the crane 2 is, and vice versa, and the one-to-one decoction is not needed.
In addition, a third included angle c is formed between the main pulling rope 51 and the auxiliary pulling rope 52, and a fourth included angle d is formed between the first auxiliary pulling rope 61 and the Y axis; the degree of the third included angle c is 43-48 degrees; the degree of the fourth included angle d is 6-12 degrees. In this embodiment, the degree of the third included angle c is 45 °, the degree of the fourth included angle d is 8 °, the distance between the first weight 5 and the second weight 6 is set according to the degree of the third included angle c and the degree of the fourth included angle d, when the crane 2 is considered for lifting, the distance between the first weight 5 and the second weight 6 should be noted, and after the degree of the third included angle c and the degree of the fourth included angle d are determined, so as to ensure the installation of the first weight 5 and the second weight 6, and make the lifting operation of the shield machine 10 safer.
Further, the rotary table 21 is located at one end of the crane 2, the first weight 5 is located at the middle of the crane 2, and the second weight 6 is located at the other end of the crane 2. Through setting up the position of revolving stage 21, first weight spare 5 and second weight spare 6 on crane 2, make the atress between revolving stage 21, first weight spare 5 and the second weight spare 6 more even reasonable, when lifting by crane equipment is lifting by crane, ensure crane 2's stability.
In addition, at least four supporting legs 22 are arranged at the lower end of the crane 2, the supporting legs 22 can be movably telescopic, and the supporting legs 22 are used for supporting the crane 2. In this embodiment, six supporting legs 22 are arranged at the lower end of the crane 2, and the supporting legs 22 are distributed around the crane 2, and the crane 2 is supported by the six supporting legs 22, so that the crane 2 can work stably.
Further, the crane 2 is provided with a moving crawler (not shown) for traveling, and when the working radius L is insufficient, the working radius L of the crane 2 can be increased by the moving crawler, thereby satisfying the transportation of the shield machine 10.
The invention also provides a hoisting method for the shield tunneling machine 10, comprising the crane 2, wherein the hoisting method comprises the following steps:
step S1: erecting a crane 2 on a supporting table 1, adjusting a main arm 3 and an auxiliary arm 4 to a preset height, and adjusting a first included angle a and a second included angle b to a preset angle so that a shield machine 10 is positioned in the working radius L of the crane 2; the first included angle a and the second included angle b can be finely adjusted according to the working environment of the current day, so that the crane 2 can stably work.
Step S2: according to the weight of each component of the shield machine 10, the first weight piece 5 and the second weight piece 6 are debugged, so that the maximum weight lifted by the crane 2 is larger than the weight of each component of the shield machine 10; in adjusting the first weight 5, if the maximum lifting capacity cannot be satisfied when the shield machine 10 is lifted even if the first weight 5 is fully loaded, the second weight 6 needs to be adjusted so that the crane 2 satisfies the maximum lifting capacity of the shield machine 10.
Step S3: the other end of the main pull rope 51 is adopted to bind the shield machine 10, the driving motor 9 drives the first auxiliary rope 61 to hoist the shield machine 10, the rotary table 21 is rotated so that the shield machine 10 is positioned above a preset position, the driving motor 9 slowly descends the main pull rope 51, and the shield machine 10 falls into the preset position.
By adopting the hoisting method, the single hoisting equipment can meet the maximum hoisting capacity of the hoisting shield machine 10, the two hoisting equipment is not needed for transporting the shield machine 10, and meanwhile, the hoisting transportation efficiency is improved by the hoisting method, and compared with a double-crane system adopted in the prior art, the hoisting equipment has higher operation efficiency.
Furthermore, before commissioning the main arm 3 and the auxiliary arm 4, the hoisting method further comprises: the adjusting support leg 22 is propped against the supporting table 1, so that the crane 2 is horizontally placed on the supporting table 1, the crane 2 is stably erected on the supporting table 1, the main arm 3 and the auxiliary arm 4 are adjusted without shaking, and the working efficiency is improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. A lifting device for shield constructs machine, characterized by comprising:
a crane; the crane is provided with a rotary table, a main arm and an auxiliary arm, the main arm and the auxiliary arm are both arranged on the rotary table, the main arm and the auxiliary arm are both obliquely arranged, the upper end of the main arm is provided with a first pulley assembly, and the upper end of the auxiliary arm is provided with a second pulley assembly;
a first weight and a second weight; the first weight piece and the second weight piece are both arranged on the crane, the first weight piece and the second weight piece are arranged at intervals, and a pulley is arranged at the upper end of the first weight piece; the rotary table is positioned at one end of the crane, the first weight piece is positioned in the middle of the crane, and the second weight piece is positioned at the other end of the crane;
a main pull rope and an auxiliary pull rope; one end of the main pull rope is connected with one end of the auxiliary pull rope through the pulley, the other end of the main pull rope is connected with the pulley of the first pulley assembly, and the other end of the main pull rope is also used for binding the shield machine; the other end of the auxiliary stay cord is in sliding connection with the second pulley assembly; the upper end of the first weight-balancing piece is provided with a pulley, and the main pull rope passes through the pulley of the first weight-balancing piece and is connected with the auxiliary pull rope;
a first auxiliary rope and a second auxiliary rope; one end of the first auxiliary rope is connected with the second counterweight, the other end of the first auxiliary rope is in sliding connection with the second pulley assembly, two ends of the second auxiliary rope respectively penetrate through the first pulley assembly and the second pulley assembly, and two ends of the second auxiliary rope are respectively connected with the first auxiliary rope and the auxiliary pull rope;
a driving motor; the first auxiliary rope is wound on an output shaft of the driving motor, and the driving motor is used for driving the first auxiliary rope to hoist the shield machine;
the driving motor is used for rotating to drive the first auxiliary rope to move downwards, the first auxiliary rope is used for enabling the second auxiliary rope to move towards the second pulley assembly, the second auxiliary rope is used for driving the auxiliary pull rope to move upwards, and the auxiliary pull rope drives the main pull rope to move through the pulley and enables the main pull rope to drive the shield machine to move upwards through the first pulley assembly.
2. The lifting device for a shield tunneling machine according to claim 1, wherein the main arm and the auxiliary arm are of telescopic structures, the length of the main arm is 24-84 m, and the length of the auxiliary arm is 24-72 m.
3. The lifting device for a shield tunneling machine according to claim 1, wherein the working radius of the crane is 11-30 m.
4. The lifting device for a shield tunneling machine according to claim 1, wherein the main arm forms a first included angle with an X-axis, the auxiliary arm forms a second included angle with the X-axis, and the degree of the first included angle is 62-68 degrees; the degree of the second included angle is equal to the degree of the first included angle.
5. The lifting device for a shield machine according to claim 1, wherein a third included angle is formed between the main pull rope and the auxiliary pull rope, and a fourth included angle is formed between the first auxiliary rope and the Y-axis; the degree of the third included angle is 43-48 degrees; the degree of the fourth included angle is 6-12 degrees.
6. The lifting device for a shield tunneling machine according to claim 1, wherein the lower end of the crane is provided with at least four legs, the legs are flexible and telescopic, and the legs are used for supporting the crane.
7. The lifting device for a shield machine according to claim 6, wherein the crane is provided with a moving track for traveling.
8. A lifting method for a shield tunneling machine, comprising the crane according to any one of claims 1 to 7, characterized in that the lifting method comprises:
erecting a crane on a supporting table, adjusting a main arm and an auxiliary arm to a preset height, and adjusting a first included angle and a second included angle to a preset angle so that the shield tunneling machine is positioned in the working radius of the crane;
according to the weight of each part of the shield machine, the first weight balancing piece and the second weight balancing piece are debugged, so that the maximum weight lifted by the crane is larger than the weight of each part of the shield machine;
the other end of the main pull rope is adopted to bind the shield machine, the driving motor drives the first auxiliary rope to hoist the shield machine, and the rotating table is rotated, so that the shield machine is located above a preset position, the driving motor slowly descends the main pull rope, and the shield machine falls into the preset position.
9. The hoisting method as recited in claim 8, characterized in that before the main arm and the auxiliary arm are commissioned, the hoisting method further comprises:
the adjusting support leg is propped against the supporting table so that the crane is horizontally placed on the supporting table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211323593.6A CN115744689B (en) | 2022-10-25 | 2022-10-25 | Hoisting equipment and method for shield tunneling machine |
Applications Claiming Priority (1)
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| CN111689407A (en) * | 2020-06-12 | 2020-09-22 | 五冶集团上海有限公司 | Special lifting appliance for replacing bridge pipe and valve body of ascending pipe of coke oven |
| CN214693000U (en) * | 2021-02-07 | 2021-11-12 | 中国能源建设集团西北电力建设工程有限公司 | Crawler crane counterweight device |
| CN114572866A (en) * | 2022-03-04 | 2022-06-03 | 浙江三一装备有限公司 | Crane with a movable crane |
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| CN201024052Y (en) * | 2007-04-11 | 2008-02-20 | 应来石 | Traction type crane |
| CN201605114U (en) * | 2009-12-30 | 2010-10-13 | 徐工集团工程机械股份有限公司建设机械分公司 | Lattice type jib crane and hoisting wire rope guiding device thereof |
| WO2014043995A1 (en) * | 2012-09-21 | 2014-03-27 | 湖南三一智能控制设备有限公司 | Split type crane |
| CN103787197A (en) * | 2012-10-31 | 2014-05-14 | 徐工集团工程机械股份有限公司 | Control system for super lifting working condition of crane and crane |
| CN106865415A (en) * | 2017-03-30 | 2017-06-20 | 中国矿业大学 | It is a kind of to restrain large-scale general lifting stabilising arrangement and method that weight swings and rotates |
| CN108275584A (en) * | 2018-04-11 | 2018-07-13 | 徐工集团工程机械股份有限公司 | One kind having multi-functional straight rail super large heavy-duty hoisting equipment |
| CN108455467A (en) * | 2018-04-11 | 2018-08-28 | 徐工集团工程机械股份有限公司 | A kind of multi-track super large heavy-duty hoisting equipment with deformation function |
| CN111689407A (en) * | 2020-06-12 | 2020-09-22 | 五冶集团上海有限公司 | Special lifting appliance for replacing bridge pipe and valve body of ascending pipe of coke oven |
| CN214693000U (en) * | 2021-02-07 | 2021-11-12 | 中国能源建设集团西北电力建设工程有限公司 | Crawler crane counterweight device |
| CN114572866A (en) * | 2022-03-04 | 2022-06-03 | 浙江三一装备有限公司 | Crane with a movable crane |
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| CN115744689A (en) | 2023-03-07 |
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