CN220578697U - Lifting assembly and roof lifting system - Google Patents
Lifting assembly and roof lifting system Download PDFInfo
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- CN220578697U CN220578697U CN202321873537.XU CN202321873537U CN220578697U CN 220578697 U CN220578697 U CN 220578697U CN 202321873537 U CN202321873537 U CN 202321873537U CN 220578697 U CN220578697 U CN 220578697U
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- lifting
- roof
- rope
- assembly
- stay bar
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- 238000004378 air conditioning Methods 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of overhead lifting of railway vehicles, and provides a lifting assembly and an overhead lifting system. In order to solve the problems of unfixed hanging points, unstable structure, complex threading of hanging strips, and time and labor waste when the hanging strips are removed, the lifting assembly comprises a first lifting rope, a second lifting rope, a stay bar and a cross brace; two ends of the stay bar are respectively connected with one end of one first lifting rope, and the other ends of the two first lifting ropes are connected with the lifting hook, so that a triangle structure is formed by the stay bar and the two first lifting ropes; the two ends of the stay bar are respectively connected with one end of a second lifting rope, and the other end of each second lifting rope is respectively connected with a transverse stay; before lifting, the cross brace is arranged below the air conditioning opening of the vehicle roof, and the direction of the cross brace is perpendicular to the direction of the support rod and the vehicle roof cross beam. The lifting device has the advantages of simple structure, convenience in disassembly and assembly, stability and reliability, and capability of realizing the effect of fast and stable lifting of the roof.
Description
Technical Field
The utility model belongs to the technical field of overhead lifting of railway vehicles, and particularly relates to a lifting assembly and an overhead lifting system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The work of the train body assembly of the rail transit vehicle is carried out on the train body assembly bench. And (3) lifting the rail transit vehicle roof to the vehicle body total assembly station after finishing the vehicle roof on the vehicle body total assembly station, and carrying out total assembly of all the vehicle body parts.
Because the roof does not have a lifting point, the current lifting mode of the roof of the rail transit vehicle is the lifting mode of the outer pocket, and the following problems exist in the lifting structure:
(1) The hanging point is not fixed, the structure is not firm, and the hanging strip is complicated to thread;
(2) Because the roof is lifted to the main assembly position of the car body and then is placed on the side wall, a special tool is needed to withdraw the hanging belt, and time and labor are wasted.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model provides a lifting assembly and a roof lifting system, which are simple in structure, convenient to assemble and disassemble, stable and reliable, and can realize quick and stable lifting of a roof.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a first aspect of the utility model provides a trolley assembly.
A trolley assembly comprising:
the device comprises a first lifting rope, a second lifting rope, a stay bar and a cross brace;
two ends of the stay bar are respectively connected with one end of one first lifting rope, and the other ends of the two first lifting ropes are connected with the lifting hook, so that a triangle structure is formed by the stay bar and the two first lifting ropes;
the two ends of the stay bar are respectively connected with one end of a second lifting rope, and the other end of each second lifting rope is respectively connected with a transverse stay; before lifting, the cross brace is arranged below the air conditioning opening of the vehicle roof, and the direction of the cross brace is perpendicular to the direction of the support rod and the vehicle roof cross beam.
As an embodiment, the lengths of the two first suspension ropes are the same.
The technical scheme has the advantages that the balance of the lifting assembly can be ensured, and the lifting stability is ensured.
As an embodiment, the lengths of the two second suspension ropes are the same.
The technical scheme has the advantages that the lifting assembly is symmetrical, and the lifting stability is guaranteed.
As an embodiment, the two second suspension ropes are connected to the same cross-brace length.
The technical scheme has the advantages that the lifted objects are balanced in stress, and the problem of unbalance in the lifting process is avoided.
As one embodiment, two ends of the stay bar are respectively connected with one end of a first lifting rope through first connecting pieces.
As one embodiment, the first connecting member is a hook.
As an implementation mode, two ends of the supporting rod are respectively connected with one end of a second lifting rope through second connecting pieces.
As one embodiment, the second connecting piece is a hanging ring.
As an implementation mode, the cross brace is provided with a lifting lug, and the second lifting rope is connected with the lifting lug through a third connecting piece.
A second aspect of the utility model provides a roof lifting system.
A roof lifting system comprises a crown block, a lifting hook and two sets of lifting components;
the cross braces of the two sets of lifting components are arranged below an air conditioning port at a preset position of the roof;
the lifting hooks of the two sets of lifting components are connected with the crown block.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The lifting assembly consists of the first lifting rope, the second lifting rope, the stay bar and the cross brace, has simple structure and convenient installation and disassembly, can conveniently penetrate through a roof air conditioner opening to support the roof cross beam by adopting the lifting rope and the cross brace, and is convenient to support and lift;
(2) The lifting assembly is stable and reliable in the process of lifting the roof, is different from the traditional lifting points, can realize the rapid lifting of the roof without lifting points, has a roof beam as a lifting supporting point, is not easy to deform, breaks through the traditional pocket lifting mode, and does not need to worry about the problem that a hanging belt is pressed when the roof is lifted to the whole car body assembly process.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic perspective view of a handling assembly according to an embodiment of the present utility model;
fig. 2 is a schematic elevation view of a handling assembly according to an embodiment of the utility model.
Wherein, 1 first lifting rope, 2 second lifting rope, 3 vaulting poles, 4 stull.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
According to fig. 1 and 2, the present embodiment provides a lifting assembly, including: the device comprises a first lifting rope 1, a second lifting rope 2, a stay bar 3 and a cross brace 4;
two ends of the stay bar 3 are respectively connected with one end of one first lifting rope 1, and the other ends of the two first lifting ropes 1 are connected with a lifting hook, so that a triangle structure is formed by the stay bar 3 and the two first lifting ropes 1;
the two ends of the stay bar 1 are respectively connected with one end of a second lifting rope 2, and the other end of each second lifting rope 2 is respectively connected with a transverse stay 4; before lifting, the cross brace 4 is arranged below the roof air conditioner opening, and the direction of the cross brace is perpendicular to the direction of the brace rod 3 and the roof cross beam.
In order to balance the lifting assembly, the lifting stability is guaranteed, and the lengths of the two first lifting ropes are the same.
In order to make the handling subassembly symmetry, ensure the stability of handling, the length of two second lifting ropes is the same.
Here, the bearing capacity of the first lifting rope and the second lifting rope is larger than the gravity of the lifted object.
In order to balance the stress of the lifted object and avoid the problem of unbalance in the lifting process, the lengths of the transverse struts connected with the two second lifting ropes are the same.
Here, the cross brace and the stay bar have set bearing forces, which are larger than the gravity of the lifted object.
In one or more embodiments, two ends of the stay bar are respectively connected with one end of a first lifting rope through first connecting pieces.
In some embodiments, the first connector is a hook.
It should be understood that in other embodiments, the first connecting member may be other connecting structures such as a hanging ring, and those skilled in the art may specifically set up according to the actual situation, which will not be described here.
In one or more embodiments, two ends of the stay bar are also connected to one end of a second lifting rope through second connecting pieces, respectively.
In some embodiments, the second connector is a bail.
It will be appreciated that in other embodiments, the second connecting member may be a hook or other connecting structure, and those skilled in the art may specifically set the second connecting member according to the actual situation, which will not be described here.
In this embodiment, the cross brace is provided with a lifting lug, and the second lifting rope is connected with the lifting lug through a third connecting piece.
The third connecting piece can be a hanging ring, a hanging hook or other existing connecting structures. The lifting assembly of this embodiment is simple in structure, and the installation is dismantled conveniently, adopts lifting rope and stull rigid-flexible hybrid connection, and roof air conditioner mouth support roof crossbeam that can be very convenient passes, supports the handling convenience.
In one or more embodiments, there is also provided a roof handling system comprising a crown block, a hook and two sets of handling assemblies as described above with reference to fig. 1;
the cross braces of the two sets of lifting components are arranged below an air conditioning port at a preset position of the roof;
the lifting hooks of the two sets of lifting components are connected with the crown block.
The roof lifting system can realize rapid lifting of the roof without lifting points, traditional pocket transportation is changed into transverse support supporting lifting, and single rope and single lifting can be realized at four lifting positions; when the roof is lifted to the car body assembly process, the problem that the hanging belt is pressed and the like is not needed to be worried about.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A trolley assembly, comprising:
the device comprises a first lifting rope, a second lifting rope, a stay bar and a cross brace;
two ends of the stay bar are respectively connected with one end of one first lifting rope, and the other ends of the two first lifting ropes are connected with the lifting hook, so that a triangle structure is formed by the stay bar and the two first lifting ropes;
the two ends of the stay bar are respectively connected with one end of a second lifting rope, and the other end of each second lifting rope is respectively connected with a transverse stay; before lifting, the cross brace is arranged below the air conditioning opening of the vehicle roof, and the direction of the cross brace is perpendicular to the direction of the support rod and the vehicle roof cross beam.
2. A lifting assembly according to claim 1, wherein the lengths of the two first lifting ropes are the same.
3. A lifting assembly according to claim 1 or claim 2, wherein the lengths of the two second lifting ropes are the same.
4. A trolley assembly as claimed in claim 1 or claim 2, wherein the cross braces to which the two second lifting ropes are connected are of the same length.
5. A lifting assembly according to claim 1, wherein the two ends of the brace are each connected to one end of a first lifting rope by a first connector.
6. The trolley assembly of claim 5 wherein the first connector is a hanger.
7. A lifting assembly according to claim 1, wherein the two ends of the brace are further connected to one end of a second lifting rope via second connectors, respectively.
8. The trolley assembly of claim 7 wherein the second connection member is a sling.
9. The lifting assembly of claim 1, wherein the cross brace is provided with a lifting eye, and the second lifting rope is connected to the lifting eye via a third connection.
10. A roof handling system comprising a crown block, a hook and two sets of handling assemblies according to any one of claims 1 to 9;
the cross braces of the two sets of lifting components are arranged below an air conditioning port at a preset position of the roof;
the lifting hooks of the two sets of lifting components are connected with the crown block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873537.XU CN220578697U (en) | 2023-07-17 | 2023-07-17 | Lifting assembly and roof lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873537.XU CN220578697U (en) | 2023-07-17 | 2023-07-17 | Lifting assembly and roof lifting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220578697U true CN220578697U (en) | 2024-03-12 |
Family
ID=90122408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321873537.XU Active CN220578697U (en) | 2023-07-17 | 2023-07-17 | Lifting assembly and roof lifting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220578697U (en) |
-
2023
- 2023-07-17 CN CN202321873537.XU patent/CN220578697U/en active Active
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