CN112093637A - Lifting appliance for assembling liquid rocket - Google Patents
Lifting appliance for assembling liquid rocket Download PDFInfo
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- CN112093637A CN112093637A CN202010883563.5A CN202010883563A CN112093637A CN 112093637 A CN112093637 A CN 112093637A CN 202010883563 A CN202010883563 A CN 202010883563A CN 112093637 A CN112093637 A CN 112093637A
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- unit
- sling
- lifting
- rocket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a lifting appliance for assembling a liquid rocket, which comprises a lifting support unit, a beam body connecting unit, an adjusting unit and two cross beam sling units, wherein the lifting support unit is connected with the beam body connecting unit through a lifting cable; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the crossbeam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the crossbeam sling unit is used for connecting a lifting point of a rocket to be lifted; in the process of lifting the rocket, the adjusting unit adjusts the positions of the beam sling units according to the tension applied to the beam body connecting unit, so that the two beam sling units are uniformly stressed, the lifting support unit comprises a first longitudinal beam, the first longitudinal beam is provided with a first fork frame and a first sling connected with the first fork frame, the first longitudinal beam is provided with a first fixing hole and a first adjusting hole, and the first sling is used for being hung with a crane in the process of lifting the rocket; before the rocket is connected and the rocket is hoisted, the stress of a hoisting point is accurately determined, and the risk of sliding to an unbalance loading end is avoided.
Description
The application is filed on 23.7.7.2019 and is named as 'a full-rocket combined lifting appliance for lifting a device with a large length-diameter ratio', and the application number is '201910664744.6'.
Technical Field
The invention relates to the technical field of lifting of liquid rockets, in particular to a lifting appliance for assembling a liquid rocket.
Background
With the rapid development of the aerospace industry, all the technologies related to the rocket field also realize the rapid advance.
At present, a 'three-dimensional' launch measuring mode gradually appears in a launch measuring mode of a carrier rocket, and high requirements are provided for horizontal hoisting of a whole rocket of the carrier rocket. Because the carrier rocket has the characteristics of heavy mass, large slenderness ratio, long span of lifting points and the like, and the carrier rocket has stronger longitudinal bearing capacity and weaker transverse bearing capacity, three or more groups of lifting points are generally arranged in the whole rocket in the lifting process.
However, when the launch vehicle is lifted by three or more sets of lifting points simultaneously, a situation that one set of lifting points is stressed greatly and cannot be quantized may occur, so that uncontrollable factors exist in the lifting process of the whole launch vehicle. The traditional solution is to equalize the forces on the lifting points by communicating them, but under the effect of friction, it is difficult to determine precisely the force on the lifting points in this mode, creating the risk of slipping towards the unbalance loading end. Especially, before the lifting appliance is connected with the rocket and in the process of lifting the rocket to move, certain safety risks exist.
Therefore, how to provide a lifting appliance which accurately determines the stress of a lifting point before connecting a rocket and lifting the rocket so as to avoid the risk of sliding to an unbalance loading end is the problem to be solved at present.
Disclosure of Invention
The invention aims to provide a lifting appliance for assembling a liquid rocket, which accurately determines the stress of a lifting point before connecting the rocket and lifting the rocket, thereby avoiding the risk of sliding to an unbalance loading end.
In order to achieve the above object, one aspect of the present invention provides the following technical solutions: a lifting appliance for assembling a liquid rocket comprises a lifting support unit, a beam body connecting unit, an adjusting unit and at least two cross beam sling units; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the beam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the beam sling unit is used for connecting a lifting point of a rocket to be lifted; in the rocket lifting process, the adjusting unit adjusts the positions of the beam sling units according to the tension applied to the beam body connecting unit, so that the stress of the at least two beam sling units is uniform.
Preferably, the hoisting support unit comprises a first longitudinal beam, a first fork frame and a first sling connected with the first fork frame are arranged on the first longitudinal beam, a first fixing hole for fixing the first fork frame and a first adjusting hole for adjusting the position of the beam sling unit are respectively arranged on two opposite sides of the first longitudinal beam, one end of the first fork frame is inserted into the first fixing hole through a pin shaft and is connected with the first longitudinal beam, the other end of the first fork frame is connected with the first sling, and the first sling is used for being hung with a crane during rocket hoisting.
Preferably, the beam body connecting unit comprises a second fork frame, and two ends of the second fork frame are respectively connected with the first longitudinal beam and the adjusting unit through pin shafts.
Preferably, the adjusting unit comprises a servo electric cylinder and a tension sensor, the servo electric cylinder is connected with the first longitudinal beam through the second fork frame, one end of the tension sensor is connected with the servo electric cylinder, and the other end of the tension sensor is connected with the cross beam sling unit through a third fork frame.
Preferably, the crossbeam hoist cable unit contains first crossbeam, fourth crotch, second suspender, first break out, the second break out and the first subassembly of lifting by crane together, the fourth crotch, the second suspender, first break out, the second break out with the first subassembly of lifting by crane is located one side of first crossbeam, the second suspender both ends are connected first break out with the second break out, fourth crotch both ends respectively with first crossbeam with first break out is connected, first subassembly one end of lifting by crane is connected the second break out, and the other end is connected and is waited to lift by crane the lifting point of rocket.
Preferably, the first hoisting assembly consists of two circular tubes and a connector, the two ends of the connector are in a dovetail shape, the two ends of the connector are respectively attached to the outer surfaces of the circular tubes, and the circular tubes and the connector are integrally formed.
Compared with the prior art, the invention has the beneficial effects that: the lifting appliance for assembling the liquid rocket comprises a lifting support unit, a beam body connecting unit, an adjusting unit and at least two cross beam sling units; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the beam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the beam sling unit is used for connecting a lifting point of a rocket to be lifted; in the process of lifting the rocket, the adjusting units adjust the positions of the beam sling units according to the tension force applied to the beam body connecting units, so that the stress of the at least two beam sling units is uniform, the stress of a lifting point can be accurately determined before the rocket is connected and the rocket is lifted, and the risk of sliding to an unbalance loading end is avoided.
The other aspect of the invention provides the following technical scheme: a lifting appliance for assembling a liquid rocket comprises a first longitudinal beam unit arranged along a first direction, at least two first cross beam units arranged along a second direction and sling component units arranged at two ends of the first cross beam units, wherein the sling component units are connected with a first adjusting unit in series; and the first adjusting unit is used for adjusting the length of the sling component unit according to the stress condition of the sling component unit so as to enable a plurality of lifting points in the rocket lifting process to be stressed uniformly.
Preferably, the first cross beam unit is arranged at two ends of the first longitudinal beam unit, is perpendicular to the first longitudinal beam unit and forms an I-shaped structure, and second adjusting holes are formed in two ends of the first cross beam unit and are used for adjusting the position of the sling component unit in the second direction.
Preferably, the hanging structure comprises a fifth fork frame and a hanging strip, the first longitudinal beam unit is provided with a second fixing hole, one end of the fifth fork frame is fixed on the first longitudinal beam unit through a pin shaft, the other end of the fifth fork frame is connected with the hanging strip, and the hanging strip is used for hanging with a crane; the sling component unit comprises a sixth fork frame, the first adjusting unit comprises a first servo electric cylinder and a first tension sensor, and the first servo electric cylinder is connected with the first cross beam unit through the sixth fork frame.
Preferably, the sling component unit further comprises a seventh fork frame, a third sling, a third shackle, a fourth shackle and a hanging end component, one end of the seventh fork frame is connected with the first tension sensor, the other end of the seventh fork frame is connected with the third shackle, two ends of the third sling are respectively connected with the third shackle and the fourth shackle, and the other end of the fourth shackle is connected with the hanging end component.
Preferably, the liquid rocket lifting device further comprises a single-beam double-sling lifting appliance, the single-beam double-sling lifting appliance is used for being connected with a group of lifting points at the rear end of the rocket, the single-beam double-sling lifting appliance is used for being matched with a sling component when the liquid rocket is lifted, and the balance of the front end and the rear end in the lifting process of the liquid rocket is guaranteed, and the single-beam double-sling lifting appliance comprises a second cross beam, a hanging part arranged on one side of the second cross beam and linear lifting parts symmetrically arranged at two ends of the other side of the second cross beam; the hanging part is used for hanging a crane, the linear hoisting part is used for being matched with a hoisting point of a rocket, the hanging part comprises an eighth fork frame and a lifting lug, one end of the eighth fork frame is fixedly connected to the second cross beam through a pin shaft, and the other end of the eighth fork frame is connected with the lifting lug; the linear lifting part comprises a fork frame, a fifth shackle, a sixth shackle, a third hanging strip and a hanging end assembly, one end of the fork frame is fixedly connected with the second cross beam through a pin shaft, the other end of the fork frame is connected with one end of the fifth shackle, the other end of the fifth shackle is connected with the third hanging strip, the third hanging strip is connected with the hanging end assembly through the sixth shackle, and the hanging end assembly is used for being matched with a hanging point of a rocket.
Compared with the prior art, the invention has the beneficial effects that: the lifting appliance for assembling the liquid rocket comprises a first longitudinal beam unit arranged along a first direction, at least two first cross beam units arranged along a second direction and sling component units arranged at two ends of the first cross beam units, wherein the sling component units are connected with a first adjusting unit in series; the first adjusting unit is used for adjusting the length of the sling component unit according to the stress condition of the sling component unit so as to enable a plurality of lifting points in the rocket lifting process to be uniformly stressed, and the stress of the lifting points is accurately determined before the rocket is connected and the rocket is lifted, so that the risk of sliding towards an unbalance loading end is avoided.
Drawings
FIG. 1 is a front view of a spreader for liquid rocket assembly according to the present invention;
FIG. 2 is a left side view of the spreader for liquid rocket assembly of the present invention;
FIG. 3 is a perspective view of a first fork of the present invention;
FIG. 4 is a perspective view of the pin shaft of the present invention;
FIG. 5 is a perspective view of a third fork of the present invention;
FIG. 6 is a perspective view of a fourth fork of the present invention;
FIG. 7 is a front view of a first hoist assembly according to the present invention;
FIG. 8 is a left side view of the first hoist assembly of the present invention;
FIG. 9 is a front view of the spreader for liquid rocket assembly of the present invention;
FIG. 10 is an enlarged view of the first adjustment unit and the sling assembly unit of the present invention; FIG. 11 is a structural diagram of the whole arrow combined sling structure of the present invention;
FIG. 12 is a perspective view of a first cross member and a first side member of the present invention; FIG. 13 is a front view of the single beam double hoist cable spreader of the present invention;
FIG. 14 is a left side view of a single beam dual sling hanger of the present invention;
FIG. 15 is a perspective view of a fifth fork of the present invention;
FIG. 16 is a perspective view of a seventh fork of the present invention;
FIG. 17 is a perspective view of an eighth fork of the present invention;
FIG. 18 is a schematic cross-sectional view of a third strap and non-slip layer of the present invention.
Description of reference numerals:
1 first longitudinal beam 2 first fork
3 first sling 4 first fixing hole
5 first adjusting hole 6 pin shaft
7 second fork 8 servo electric cylinder
9 tension sensor 10 first beam
11 third fork carriage 12 fourth fork carriage
13 second sling 14 first shackle
15 second shackle 16 first lifting assembly
17 round tube 18 connector
19 first transverse beam unit 20 first longitudinal beam unit
21 second adjustment aperture 22 fifth fork
23 harness 24 second fixing hole
25 sixth fork 26 first servo electric cylinder
27 first tension sensor 28 second beam
29 seventh fork 30 third harness
31 third shackle 32 fourth shackle
33 hitch end assembly 34 fork
35 fifth shackle 36 sixth shackle
37 third hanging strip 38 lifting eye
39 single beam double sling 40 first adjustment unit
41 eighth fork 42 slip layer
Detailed Description
For the purpose of promoting a clear understanding of the objects, aspects and advantages of the embodiments of the invention, reference will now be made to the drawings and detailed description, wherein there are shown in the drawings and described in detail, various modifications of the embodiments described herein, and other embodiments of the invention will be apparent to those skilled in the art.
The exemplary embodiments of the present invention and the description thereof are provided to explain the present invention and not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.
As used herein, the terms "first," "second," …, etc., do not denote any order or sequence, nor are they used to limit the present invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.
With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
As used herein, "and/or" includes any and all combinations of the described items.
As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.
Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.
The embodiment of the invention provides a lifting appliance for assembling a liquid rocket, which comprises a lifting support unit, a beam body connecting unit, an adjusting unit and at least two cross beam sling units, wherein the lifting support unit is connected with the beam body connecting unit through a lifting cable; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the crossbeam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the crossbeam sling unit is used for connecting a lifting point of a rocket to be lifted; in the process of lifting the rocket, the adjusting units adjust the positions of the beam sling units according to the tension received by the beam body connecting units, so that the two beam sling units are stressed uniformly.
Specifically, the method comprises the following steps: the lifting appliance for assembling the liquid rocket comprises a lifting support unit, a beam body connecting unit, an adjusting unit and two cross beam sling units; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the beam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the beam sling unit is used for connecting a lifting point of a rocket to be lifted; in the process of lifting the rocket, the adjusting unit adjusts the positions of the beam sling units according to the tension force applied to the beam body connecting unit, so that the two beam sling units are uniformly stressed, and the stress of a lifting point is accurately determined before the rocket is connected and the rocket is lifted, thereby avoiding the risk of sliding towards an unbalance loading end.
According to the present embodiment, as shown in fig. 1, in practical use, two cross-member sling units are provided in the present embodiment for convenience of fixing. And the two cross beam sling units can be distributed in a central symmetry way by the first longitudinal beam 1. In the practical application process, for more convenient fixing and adjustment, the number of the beam sling units can be four, six, etc., and the beam sling units are uniformly arranged along one side of the first longitudinal beam 1 at intervals, which is not illustrated in order to avoid repetition.
It should be noted that, as shown in fig. 1, 2, 3 and 4, the lifting support unit includes a first longitudinal beam 1, a first fork 2 and a first sling 3 connected to the first fork 2 are disposed on the first longitudinal beam 1, for convenience of adjustment and operation, a first fixing hole 4 for fixing the first fork 2 and a first adjusting hole 5 for adjusting the beam sling unit are respectively disposed on two opposite sides of the first longitudinal beam 1 (as shown in the figure), one end of the first fork 2 is inserted into the first fixing hole 4 through a pin 6 to be connected to the first longitudinal beam 1, the other end of the first fork 2 is connected to the first sling 3, and the first sling 3 is used for being hooked to a crane during rocket lifting.
In addition, as shown in fig. 1 and 2, the beam body connection unit includes a second fork 7, and both ends of the second fork 7 are connected to the first longitudinal beam 1 and the adjustment unit through pins 6, respectively.
It should be noted that, as shown in fig. 1, fig. 2 and fig. 5, in order to increase the adjustment precision, the adjustment unit includes a servo electric cylinder 8 and a tension sensor 9, the servo electric cylinder 8 is connected with the first longitudinal beam 1 through a second fork frame 7, one end of the tension sensor 9 is connected with the servo electric cylinder 8, the other end is connected with the cross beam sling unit through a third fork frame 11, the tension sensor 9 transmits the stress of the cross beam sling unit to the servo electric cylinder 8, the length of the cross beam sling unit is controlled through the servo electric cylinder 8, and thus the uniform stress of the two cross beam sling units is ensured.
It should be mentioned that, as shown in fig. 1, 2 and 6, the beam sling unit comprises a first beam 10, a fourth fork frame 12, a second sling 13, a first shackle 14, a second shackle 15 and a first lifting assembly 16, wherein two ends of the third fork frame 11 are respectively connected with the first beam 10 and the tension sensor 9 through a pin 6, wherein the fourth fork frame 12, the second sling 13, the first shackle 14, the second shackle 15 and the first lifting assembly 16 are positioned at the lower part of the first beam 10, two ends of the second sling 13 are respectively connected with the first shackle 14 and the second shackle 15, two ends of the fourth fork frame 12 are respectively connected with the first beam 10 and the first shackle 14, one end of the first lifting assembly 16 is connected with the second shackle 15, and the other end is connected with a lifting point of a rocket to be lifted. The tension sensor 9 transmits the tension force to the servo electric cylinder 8 according to the tension force applied to the beam sling unit, and the length of the beam sling unit is adjusted through the servo electric cylinder 8, so that the stress of each lifting point under the lifting working condition of the liquid rocket is improved, and the stress of the front end lifting point of the liquid rocket is balanced.
For example, another tension sensor can be further arranged on the second lifting belt 13, and the another tension sensor is connected to the corresponding servo electric cylinder, so that the servo electric cylinder adjusts the lifting position of the first lifting assembly according to the average value of the measured values of the tension sensor arranged on the beam body connecting unit and the tension sensor arranged near the second lifting belt, on one hand, the tension sensor can measure the pulling force of the lifting belt more quickly and accurately, on the other hand, the adjustment error caused by inaccurate force measurement or measurement delay of the tension sensor can be better eliminated, and the accuracy of the rocket lifting tool for lifting the rocket can be improved.
In addition, as shown in fig. 1, fig. 7 and fig. 8, the first hoisting assembly 16 is composed of two circular tubes 17 and a connector 18, two ends of the connector 18 are in a dovetail shape, and the two ends are respectively attached to the outer surfaces of the circular tubes 17, in the practical application process, in order to enable the circular tubes 17 and the connector 18 to be connected more tightly and fixed more firmly, the circular tubes 17 and the connector 18 are designed to be integrally formed. For example, the first lifting assembly may further comprise a metal tube and a circular lock fixedly connected to one end of the metal tube, wherein the other end of the metal tube is fixedly connected to the second shackle 15 and the other end of the circular lock is adapted to engage lifting points on both sides of the rocket. In order to ensure the strength of the metal tube while reducing the mass of the hanger, the wall thickness of the metal tube may be between 0.5-2mm, and the material may be a copper-nickel alloy.
As shown in fig. 9 and 11, another aspect of the present invention provides the following solutions: a full-rocket combined lifting appliance structure comprises first longitudinal beam units 20 arranged along a first direction, at least two first cross beam units 19 arranged along a second direction and sling component units arranged at two ends of the first cross beam units 19, wherein the sling component units are connected in series with first adjusting units; and one side of the first longitudinal beam unit 20 is provided with a hanging structure for hanging the crane, and the first adjusting unit is used for adjusting the length of the sling component unit according to the stress condition of the sling component unit so as to enable a plurality of lifting points in the rocket lifting process to be uniformly stressed.
Specifically, the method comprises the following steps: the full-rocket combined lifting appliance structure comprises first longitudinal beam units 20 arranged along a first direction, at least two first cross beam units 19 arranged along a second direction and sling component units arranged at two ends of the first cross beam units 19, wherein the sling component units are connected in series with first adjusting units; one side of first longeron unit 20 is equipped with articulates the structure for articulate the loop wheel machine, and first regulating unit is used for adjusting the length of hoist cable subassembly unit according to the atress condition of hoist cable subassembly unit to it is even to make a plurality of hoisting points atress that the rocket lifted by crane the in-process, and whole structure has advantages such as reasonable in design, stable in structure, safe and reliable, accurate regulation.
Further, in the present embodiment, as shown in fig. 9 and 12, the first cross beam unit 19 is disposed at both ends of the first longitudinal beam unit 20, and is perpendicular to the first longitudinal beam unit 20, respectively, and forms an i-shaped structure, and the first cross beam unit 19 is disposed at both ends thereof with the second adjusting holes 21, and the second adjusting holes 21 are used for adjusting the position of the sling assembly unit in the second direction.
It should be particularly noted that, as shown in fig. 9, 10, 11 and 15, the hanging structure comprises a fifth fork frame 22 and a hanging strip 23, the first longitudinal beam unit 20 is provided with a second fixing hole 24, one end of the fifth fork frame 22 is fixed on the first longitudinal beam unit 20 through a pin shaft, the other end of the fifth fork frame 22 is connected with the hanging strip 23, and the hanging strip 23 is used for hanging with a crane; the hoist cable assembly unit includes a sixth fork frame 25, and since the servo motor cylinder is convenient to adjust and has high accuracy, in the present embodiment, the first adjusting unit includes a first servo motor cylinder 26 and a first tension sensor 27, and the first servo motor cylinder 26 is connected to the first cross member unit 19 through the sixth fork frame 25.
It should be noted that, as shown in fig. 9, 10 and 16, the sling assembly unit further includes a seventh fork 29, a third sling 30, a third shackle 31, a fourth shackle 32 and a hitch end assembly 33, wherein one end of the seventh fork 29 is connected to the first tension sensor 27, the other end is connected to the third shackle 31, two ends of the third sling 30 are respectively connected to the third shackle 31 and the fourth shackle 32, and the other end of the fourth shackle 32 is connected to the hitch end assembly 33.
In addition, as shown in fig. 4, 13, 14, 17 and 18, the all-rocket combined lifting tool structure further comprises a single-beam double-sling lifting tool 39, the single-beam double-sling lifting tool 39 is used for being connected with a group of lifting points at the rear end of the rocket, the single-beam double-sling lifting tool 39 is used for being matched with a sling component when the liquid rocket is lifted, so that the balance of the front end and the rear end in the liquid rocket lifting process is ensured, and the single-beam double-sling lifting tool 39 comprises a second cross beam 28, a hanging part arranged on one side of the second cross beam 28 and linear lifting parts symmetrically arranged at two ends of the other side of the second cross beam 28; the hanging part is used for hanging and connecting with a crane, the linear lifting part is used for being matched with a lifting point of a rocket, the hanging part comprises an eighth fork frame 41 and a lifting lug 38, one end of the eighth fork frame 41 is fixedly connected to the second cross beam 28 through a pin shaft 6, and the other end of the eighth fork frame 41 is connected with the lifting lug 38; the linear lifting part comprises a fork frame 34, a fifth shackle 35, a sixth shackle 36, a third hanging strip 37 and a hanging end assembly 33, one end of the fork frame is fixedly connected with the second cross beam 28 through a pin shaft 6, the other end of the fork frame is connected with one end of the fifth shackle 35, the other end of the fifth shackle 35 is connected with the third hanging strip 37, the third hanging strip 37 is connected with a hanging end assembly through the sixth shackle 36, and the hanging end assembly 33 is used for being matched with a hanging point of a rocket. In order to increase friction and avoid slippage of the third strap 37 during pulling, a non-slip layer 42 is provided on the inner surface of the third strap 37, and the third strap are adhesively connected. To facilitate removal and replacement, the first hitch assembly 16 is designed identically to the structural design of the hitch end assembly 33.
For example, the linear lifting part of the single beam double sling 39 may be provided with an adjustment mechanism. Specifically, the adjusting mechanism can comprise a servo electric cylinder and a tension sensor, so that the servo electric cylinder can adjust the length of the linear lifting device according to the tension of the linear lifting part of the ground detected by the tension sensor, and the phenomenon that the stress of the rear end of the rocket is uneven in the lifting process is avoided.
It should be noted that, in order to facilitate disassembly and maintenance, the second fork frame 7 and the third fork frame 11 are designed to have the same structure; the sixth fork 25 and the seventh fork 29 are designed to be identical in structure.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. A hoist for liquid rocket equipment which characterized in that: comprises a hoisting support unit, a beam body connecting unit, an adjusting unit and two cross beam sling units; the lifting support unit is used for connecting a lifting machine, two ends of the beam body connecting unit are respectively connected with the lifting support unit and the beam sling unit, the adjusting unit is connected in series with the beam body connecting unit, and the beam sling unit is used for connecting a lifting point of a rocket to be lifted; in the process of lifting the rocket, the adjusting unit adjusts the positions of the beam sling units according to the tension force applied to the beam body connecting unit, so that the two beam sling units are uniformly stressed, the lifting support unit comprises a first longitudinal beam, a first fork frame and a first sling connected with the first fork frame are arranged on the first longitudinal beam, two opposite sides of the first longitudinal beam are respectively provided with a first fixing hole for fixing the first fork frame and a first adjusting hole for adjusting the position of the beam sling unit, one end of the first fork frame is inserted into the first fixing hole through a pin shaft and connected with the first longitudinal beam, the other end of the first fork frame is connected with the first sling, and the first sling is used for being connected with a crane in the process of lifting the rocket; the beam body connecting unit comprises a second fork frame, and two ends of the second fork frame are respectively connected with the first longitudinal beam and the adjusting unit through pin shafts; the adjusting unit comprises a servo electric cylinder and a tension sensor, the servo electric cylinder is connected with the first longitudinal beam through the second fork frame, one end of the tension sensor is connected with the servo electric cylinder, and the other end of the tension sensor is connected with the cross beam sling unit through a third fork frame; the two beam sling units are distributed in a centrosymmetric mode through the first longitudinal beam.
2. A spreader for liquid rocket assembly according to claim 1, wherein: the beam sling unit comprises a first beam, a fourth fork, a second hanging strip, a first shackle, a second shackle and a first lifting assembly, the fourth fork, the second hanging strip, the first shackle, the second shackle and the first lifting assembly are located on one side of the first beam, two ends of the second hanging strip are connected with the first shackle and the second shackle, two ends of the fourth fork are respectively connected with the first beam and the first shackle, one end of the first lifting assembly is connected with the second shackle, and the other end of the first lifting assembly is connected with a lifting point of a rocket to be lifted.
3. A spreader for liquid rocket assembly according to claim 2, wherein: the first lifting assembly is composed of two circular tubes and a connector, the two ends of the connector are in a dovetail shape, the two ends of the connector are respectively tightly attached to the outer surfaces of the circular tubes, and the circular tubes and the connector are integrally formed.
4. A spreader for liquid rocket assembly according to claim 2, wherein: and the second sling is further provided with another tension sensor which is connected to a corresponding servo electric cylinder, and the servo electric cylinder adjusts the lifting position of the first lifting assembly according to the average value of the measured values of the tension sensor arranged on the beam body connecting unit and the tension sensor arranged near the second sling.
5. A spreader for liquid rocket assembly according to claim 3, wherein: the first hoisting assembly comprises a metal pipe and an annular lock catch fixedly connected to one end of the metal pipe.
6. A spreader for liquid rocket assembly according to claim 5, wherein: the wall thickness of the metal tube may be between 0.5mm and 2mm in relevant content.
7. A spreader for liquid rocket assembly according to claim 5, wherein: the material of the metal tube can be copper-nickel alloy.
8. A hoist for liquid rocket equipment which characterized in that: the device comprises a first longitudinal beam unit arranged along a first direction, at least two first cross beam units arranged along a second direction and sling component units arranged at two ends of the first cross beam units, wherein the sling component units are connected in series with a first adjusting unit; a hanging structure is arranged on one side of the first longitudinal beam unit and used for hanging a crane, the first adjusting unit is used for adjusting the length of the sling component unit according to the stress condition of the sling component unit, so that the stress of a plurality of hoisting points in the rocket hoisting process is uniform, the first beam units are arranged at two ends of the first longitudinal beam unit, and are respectively vertical to the first longitudinal beam units and form an I-shaped structure, second adjusting holes are arranged at two ends of the first cross beam unit, the second adjusting hole is used for adjusting the position of the sling component unit in a second direction, the hanging structure comprises a fifth fork and a sling, the first longitudinal beam unit is provided with a second fixing hole, one end of the fifth fork frame is fixed on the first longitudinal beam unit through a pin shaft, the other end of the fifth fork frame is connected with the hanging strip, and the hanging strip is used for being hung with a crane; the sling component unit comprises a sixth fork frame, the first adjusting unit comprises a first servo electric cylinder and a first tension sensor, and the first servo electric cylinder is connected with the first cross beam unit through the sixth fork frame; the sling component unit further comprises a seventh fork frame, a third hanging strip, a third shackle, a fourth shackle and a hanging end component, one end of the seventh fork frame is connected with the first tension sensor, the other end of the seventh fork frame is connected with the third shackle, two ends of the third hanging strip are respectively connected with the third shackle and the fourth shackle, and the other end of the fourth shackle is connected with the hanging end component.
9. A spreader for liquid rocket assembly according to claim 8, wherein: the liquid rocket lifting device comprises a rocket lifting device, a liquid rocket lifting device and a lifting mechanism, and is characterized by further comprising a single-beam double-sling lifting device, wherein the single-beam double-sling lifting device is used for being connected with a group of lifting points at the rear end of the rocket, the single-beam double-sling lifting device is used for being matched with a sling component when the liquid rocket is lifted, so that the balance of the front end and the rear end in the lifting process of the liquid rocket is ensured, and the single-beam double-sling lifting device comprises a second cross beam, a hanging part arranged on one side of the second cross beam and linear; the hanging part is used for hanging a crane, the linear hoisting part is used for being matched with a hoisting point of a rocket, the hanging part comprises an eighth fork frame and a lifting lug, one end of the eighth fork frame is fixedly connected to the second cross beam through a pin shaft, and the other end of the eighth fork frame is connected with the lifting lug; the linear lifting part comprises a fork frame, a fifth shackle, a sixth shackle, a third hanging strip and a hanging end assembly, one end of the fork frame is fixedly connected with the second cross beam through a pin shaft, the other end of the fork frame is connected with one end of the fifth shackle, the other end of the fifth shackle is connected with the third hanging strip, the third hanging strip is connected with the hanging end assembly through the sixth shackle, and the hanging end assembly is used for being matched with a hanging point of a rocket.
10. A spreader for liquid rocket assembly according to claim 8, wherein: and an anti-slip layer is arranged on the inner surface of the third hanging strip and is in adhesive connection with the third hanging strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010883563.5A CN112093637A (en) | 2019-07-23 | 2019-07-23 | Lifting appliance for assembling liquid rocket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910664744.6A CN110482391A (en) | 2019-07-23 | 2019-07-23 | A kind of whole rocket combined sling for lifting by crane with big L/D ratio device |
| CN202010883563.5A CN112093637A (en) | 2019-07-23 | 2019-07-23 | Lifting appliance for assembling liquid rocket |
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| CN201910664744.6A Division CN110482391A (en) | 2019-07-23 | 2019-07-23 | A kind of whole rocket combined sling for lifting by crane with big L/D ratio device |
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| CN202010883563.5A Pending CN112093637A (en) | 2019-07-23 | 2019-07-23 | Lifting appliance for assembling liquid rocket |
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Application publication date: 20201218 |