CN219953460U - Self-locking fixing mechanism and loading and unloading device - Google Patents
Self-locking fixing mechanism and loading and unloading device Download PDFInfo
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- CN219953460U CN219953460U CN202321616830.8U CN202321616830U CN219953460U CN 219953460 U CN219953460 U CN 219953460U CN 202321616830 U CN202321616830 U CN 202321616830U CN 219953460 U CN219953460 U CN 219953460U
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- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a self-locking fixing mechanism and a loading and unloading device, which comprises a clamping unit, a fixing component, a rotating component and a connecting component, wherein the rotating component is arranged on the outer side of the fixing component; the self-locking unit comprises a transmission assembly, a supporting assembly arranged on the lower side of the transmission assembly and a locking assembly arranged on one side of the transmission assembly. The utility model has the beneficial effects that the fixed component is driven to open and close by the cooperation of the transmission component and the rotating component, so that the pipelines with different sizes are clamped, and the steam turbine with various sizes is adapted; when the fixing component is clamped, the transmission component is locked through the locking component, so that the clamping state of the fixing component is kept, and the stability of the pipeline in operation is ensured.
Description
Technical Field
The utility model relates to the technical field of turbine pipeline installation, in particular to a self-locking fixing mechanism and a loading and unloading device.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants. The turbine rotor and cylinder have high machining precision, and the main components work in high-temperature and high-pressure environments. However, conventional turbine pipes have the following drawbacks:
the traditional mode of steam turbine pipeline installation adopts direct fixed connection's mode mostly, and this kind of condition is too big collision pipeline of steam turbine admission pressure or cylinder water intaking leads to the upper and lower jar temperature difference apart from too big when the deformation scheduling problem that appears, because there is not additional fixed knot construct, and the pipeline atress is inhomogeneous, and is extremely fragile, finally leads to the pipeline to leak the vapour, also has the long ageing problem that can't change the pipeline that appears in the live time simultaneously.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The utility model is provided in view of the problem that stress points of the turbine pipeline are fragile and easy to deform in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme: the clamping unit comprises a fixed component, a rotating component arranged on the outer side of the fixed component and a connecting component arranged at the bottom of the fixed component;
the self-locking unit comprises a transmission assembly, a supporting assembly arranged on the lower side of the transmission assembly and a locking assembly arranged on one side of the transmission assembly.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the fixed component comprises a clamping piece arranged on the lower side of the rotating component and a limiting piece arranged on the lower side of the clamping piece;
the clamping piece comprises an arc clamping jaw arranged at the lower side of the rotating assembly and an anti-slip pad arranged at the inner side of the arc clamping jaw;
the limiting piece comprises a fixed ring arranged on the lower side of the arc-shaped clamping jaw and a track arranged on the upper side of the fixed ring.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the rotating assembly comprises a driven wheel arranged on the upper side of the fixed ring and a sliding piece arranged on the inner side of the driven wheel;
the sliding piece comprises five sliding ways which penetrate through the inner side of the driven wheel and a sliding column which is arranged on the inner side of the sliding ways.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the connecting component comprises a fixing frame arranged on the outer side of the driven wheel and a connecting frame arranged on the inner side of the fixing frame.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the transmission assembly comprises a driving wheel arranged on one side of the rotation assembly, a rotating shaft penetrating through the center of the driving wheel, and an anti-slip screwing head arranged on the upper side of the rotating shaft.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the support assembly comprises a support seat arranged at the bottom of the rotating shaft and a first positioning shaft arranged at one side of the rotating shaft.
As a preferred embodiment of the self-locking fixing mechanism of the present utility model, wherein: the locking assembly comprises an unlocking piece arranged on the upper side of the first positioning shaft, a tension spring arranged at one end of the unlocking piece, a pawl arranged at the other end of the tension spring, and a second positioning shaft penetrating through the inner side of the pawl.
The self-locking fixing mechanism has the beneficial effects that: the fixed component is driven to open and close by matching the transmission component and the rotating component, so that pipelines with different sizes are clamped, and the steam turbine is suitable for steam turbines with various sizes; when the fixing component is clamped, the transmission component is locked through the locking component, so that the clamping state of the fixing component is kept, and the stability of the pipeline in operation is ensured.
In view of the fact that in the practical use process, the problem that the turbine pipeline and the self-locking fixing mechanism are not easy to assemble, disassemble and replace exists.
In order to solve the technical problems, the utility model also provides the following technical scheme: a handling device comprises a grabbing unit, including a grabbing component;
and the torsion unit comprises a torsion assembly.
As a preferred embodiment of the handling device according to the utility model, wherein: the grabbing component comprises a supporting claw, a group of fixing sheets penetrating through the outer side of the supporting claw and a handle arranged on the upper side of the supporting claw.
As a preferred embodiment of the handling device according to the utility model, wherein: the torsion component comprises a threaded shaft penetrating through the middle of the fixing piece and a screwing piece arranged on the upper side of the threaded shaft.
The loading and unloading device has the beneficial effects that: the supporting claw can be controlled through the handle to support the clamping unit, and the supporting claw is driven to be assembled and disassembled through the rotation of the screwing piece, so that the internal structure can be easily disassembled and assembled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is an overall schematic view of a self-locking fixing mechanism.
Fig. 2 is a top view of a self-locking securing mechanism.
Fig. 3 is a schematic diagram of a limiting unit of a self-locking fixing mechanism without installation.
Fig. 4 is an overall schematic view of a handling device.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, a self-locking fixing mechanism is provided for a first embodiment of the present utility model, which can achieve clamping of turbine pipes of different sizes and maintain a clamped state of the pipes during operation of the turbine.
Specifically, the clamping unit 100 includes a fixing component 101, a rotating component 102 disposed outside the fixing component 101, and a connecting component 103 disposed at the bottom of the fixing component 101;
the self-locking unit 200 comprises a transmission assembly 201, a support assembly 202 arranged on the lower side of the transmission assembly 201, and a locking assembly 203 arranged on one side of the transmission assembly 201.
It should be noted that, the connection component 103 is fixedly connected with the fixing component 101, the rotation component 102 is hinged with the fixing component 101, the transmission component 201 is meshed with the rotation component 102, and the support component 202 is fixedly connected with the transmission component 201 and the locking component 203.
When the pipeline clamping device is used, the transmission assembly 201 is operated to rotate to drive the rotation assembly 102 to rotate, and meanwhile the fixing assembly 101 is driven to shrink inwards, when the fixing assembly 101 is shrunk to a proper position to clamp the pipeline, the transmission assembly 201 is locked through the self-locking function of the locking assembly 203, so that the fixing assembly 101 cannot reversely rotate to be opened, and the fixing assembly 101 can be ensured to continuously clamp the pipeline; when the pipeline needs to be dismounted, the locking assembly 203 is dismounted, the transmission assembly 201 is unlocked, the transmission assembly 201 can reversely rotate, and the rotation assembly 102 is driven to reversely rotate, so that the fixing assembly 101 is driven to loosen the pipeline.
In conclusion, the self-locking fixing mechanism has the beneficial effects that the fixing assembly 101 is driven to open and close by the cooperation of the transmission assembly 201 and the rotating assembly 102, so that pipelines with different sizes are clamped, and the self-locking fixing mechanism is suitable for steam turbines with various sizes; when the fixing component 101 is clamped, the transmission component 201 is locked through the locking component 203, so that the clamping state of the fixing component 101 is kept, and the stability of the pipeline in operation is ensured.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present utility model provides a self-locking fixing mechanism which can clamp turbine pipes of different sizes and maintain the clamping state of the pipes during the operation of the turbine.
Specifically, the clamping unit 100 includes a fixing component 101, a rotating component 102 disposed outside the fixing component 101, and a connecting component 103 disposed at the bottom of the fixing component 101;
the self-locking unit 200 comprises a transmission assembly 201, a support assembly 202 arranged on the lower side of the transmission assembly 201, and a locking assembly 203 arranged on one side of the transmission assembly 201.
It should be noted that, the connection component 103 is fixedly connected with the fixing component 101, the rotation component 102 is hinged with the fixing component 101, the transmission component 201 is meshed with the rotation component 102, and the support component 202 is fixedly connected with the transmission component 201 and the locking component 203.
Further, the fixing assembly 101 includes a clamping member 101a disposed at the lower side of the rotating assembly 102, and a limiting member 101b disposed at the lower side of the clamping member 101 a;
the clamping piece 101a comprises an arc-shaped clamping jaw 101a-1 arranged on the lower side of the rotating assembly 102 and an anti-slip pad 101a-2 arranged on the inner side of the arc-shaped clamping jaw 101a-1, wherein the anti-slip pad 101a-2 is attached to the arc-shaped clamping jaw 101 a-1;
the limiting member 101b includes a fixed ring 101b-1 disposed on the lower side of the arc-shaped jaw 101a-1, and a rail 101b-2 disposed on the upper side of the fixed ring 101b-1, wherein the rail 101b-2 is disposed on the surface of the fixed ring 101 b-1.
The arc-shaped jaw 101a-1 is engaged with the rail 101b-2, and is slidable on the rail 101 b-2.
Further, the rotating assembly 102 includes a driven wheel 102a disposed on the upper side of the fixed ring 101b-1, and a slider 102b disposed inside the driven wheel 102 a;
the slider 102b includes five slide ways 102b-1 penetrating the inside of the driven wheel 102a, and a spool 102b-2 disposed inside of the slide way 102 b-1.
It should be noted that the sliding column 102b-2 passes through the sliding track 102b-1 to be clamped on the upper side of the driven wheel 102a, and is fixedly connected with the fixing ring 101 b-1.
Further, the connection assembly 103 includes a fixing frame 103a disposed outside the driven wheel 102a, and a connection frame 103b disposed inside the fixing frame 103a, wherein the fixing frame 103a is in threaded connection with the connection frame 103 b.
Further, the transmission assembly 201 includes a driving wheel 201a disposed at one side of the rotation assembly 102, a rotation shaft 201b penetrating through the center of the driving wheel 201a, and an anti-slip screw 201c disposed at an upper side of the rotation shaft 201b, wherein the driving wheel 201a is fixedly connected with the rotation shaft 201b, and the rotation shaft 201b is fixedly connected with the anti-slip screw 201 c.
Further, the support assembly includes a support base 202a disposed at the bottom of the rotation shaft 201b, and a first positioning shaft 202b disposed at one side of the rotation shaft 201b, where the support base 202a is fixedly connected to the first positioning shaft 202 b.
The rotation shaft 201b is hinged to the support base 202 a.
Further, the locking assembly 203 includes an unlocking member 203a disposed on the upper side of the first positioning shaft 202b, a tension spring 203b disposed at one end of the unlocking member 203a, a pawl 203c disposed at the other end of the tension spring 203b, and a second positioning shaft 203d penetrating through the inner side of the pawl 203c, wherein the unlocking member 203a is fixedly connected with the tension spring 203b, the tension spring 203b is fixedly connected with the pawl 203c, and the pawl 203c is hinged to the second positioning shaft 203 d.
The unlocking piece 203a is in threaded connection with the first positioning shaft 202b, the second positioning shaft 203d is fixedly connected with the supporting seat 202a, and the pawl 203c is meshed with the driving wheel during locking;
when the anti-slip screwing head 201c is rotated, the driving wheel 201a is driven to rotate through the rotating shaft 201b, the driving wheel 201a drives the driven wheel 102a to rotate through meshing, meanwhile, the fixed ring 101b-1 is connected with the fixed frame 103a through the connecting frame 103b, the sliding column 102b-2 slides inwards through the sliding way 102b-1 to drive the arc clamping jaw 101a-1 to shrink and slide through the track 101b-2 on the fixed ring 101b-1 until the arc clamping jaw is shrunk to a proper position to clamp a pipeline, and meanwhile, the pawl 203c automatically locks the driving wheel 201a through the pulling of the spring, so that the driving wheel 201a cannot reversely rotate, and the continuous stability of clamping of the arc clamping jaw 101a-1 is ensured; when the pipeline needs to be dismounted, the unlocking piece 203a is unscrewed, the locking of the pawl 203c to the driving wheel 201a is released, the anti-slip screwing head 201c is rotated, the rotating shaft 201b is driven to reversely rotate, the driving wheel 201a is driven to reversely rotate through the reverse rotation of the rotating shaft 201b, the driving wheel 201a is driven to reversely rotate through engagement, the sliding column 102b-2 slides outwards through the sliding way 102b-1, the arc clamping jaw 101a-1 is driven to stretch and slide on the track 101b-2 until the pipeline is completely loosened, and the pipeline is dismounted.
In conclusion, the self-locking fixing mechanism has the beneficial effects that the fixing assembly 101 is driven to open and close by the cooperation of the transmission assembly 201 and the rotating assembly 102, so that pipelines with different sizes are clamped, and the self-locking fixing mechanism is suitable for steam turbines with various sizes; when the fixing component 101 is clamped, the transmission component 201 is locked through the locking component 203, so that the clamping state of the fixing component 101 is kept, and the stability of the pipeline in operation is ensured.
Example 3
Referring to fig. 4, a third embodiment of the present utility model further provides a loading and unloading device, which can realize loading and unloading of the internal structure of the self-locking fixing device.
In particular to a loading and unloading device which comprises a self-locking fixing mechanism as in the first embodiment or the second embodiment and a locking mechanism,
a grasping unit 300 including a grasping assembly 301;
the torsion unit 400 includes a torsion assembly 401.
Further, the grasping assembly 301 includes a supporting claw 301a, a set of fixing pieces 301b penetrating through the outer side of the supporting claw 301a, and a handle 301c disposed on the upper side of the supporting claw 301 a.
Further, the torsion assembly 401 includes a screw shaft 401a penetrating through the middle of the fixing piece 301b, and a screw 401b disposed on the upper side of the screw shaft 401 a.
The support claw 301a is hinged to the fixing piece 301b, the handle 301c is fixedly connected to the support claw 301a, the fixing piece 301b is hinged to the screw shaft 401a, and the screw shaft 401a is fixedly connected to the screwing piece 401b.
When the clamping unit is used, the grabbing unit 300 passes through the center of the clamping unit 100, the supporting claw 301a is opened by moving the handle 301c, the supporting claw 301a clamps the bottom of the connecting frame 103b, the screw column is driven to rotate by the rotating screwing piece 401b, the fixing piece 301b drives the connecting frame 103b to ascend together, the clamping unit 100 is disassembled, after the disassembly, the supporting claw 301a is contracted by reversely moving the handle 301c, and the connecting frame 103b is loosened to finish the disassembly; when the clamping unit 100 needs to be installed, the grabbing unit 300 passes through the center of the clamping unit 100 again, the supporting claw 301a is opened by moving the handle 301c, the supporting claw 301a clamps the bottom of the connecting frame 103b, the connecting frame 103b is driven to be screwed into the fixing frame 103a again by the screwing piece 401b, the supporting frame is contracted by moving the handle 301c reversely, and the connecting frame 103b is loosened to complete the installation.
In summary, the loading and unloading device has the advantages that the supporting claw 301a can be controlled by the handle 301c to support the clamping unit 100, and the supporting claw 301a is driven to be loaded and unloaded by the rotation of the screwing piece 401b, so that the internal structure can be easily detached and installed.
It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible in the self-locking securing mechanism, mounting arrangements, use of materials, variations in color, orientation, etc., without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation may be described in the context of a self-locking securing mechanism.
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (10)
1. A self-locking fixing mechanism which is characterized in that: comprising the steps of (a) a step of,
the clamping unit (100) comprises a fixed component (101), a rotating component (102) arranged on the outer side of the fixed component (101), and a connecting component (103) arranged at the bottom of the fixed component (101);
the self-locking unit (200) comprises a transmission assembly (201), a supporting assembly (202) arranged on the lower side of the transmission assembly (201), and a locking assembly (203) arranged on one side of the transmission assembly (201).
2. The self-locking securing mechanism as claimed in claim 1, wherein: the fixed assembly (101) comprises a clamping piece (101 a) arranged on the lower side of the rotating assembly (102), and a limiting piece (101 b) arranged on the lower side of the clamping piece (101 a);
the clamping piece (101 a) comprises an arc-shaped clamping jaw (101 a-1) arranged on the lower side of the rotating assembly (102), and an anti-slip pad (101 a-2) arranged on the inner side of the arc-shaped clamping jaw (101 a-1);
the limiting piece (101 b) comprises a fixed ring (101 b-1) arranged on the lower side of the arc-shaped clamping jaw (101 a-1), and a track (101 b-2) arranged on the upper side of the fixed ring (101 b-1).
3. The self-locking securing mechanism as claimed in claim 2, wherein: the rotating assembly (102) comprises a driven wheel (102 a) arranged on the upper side of the fixed ring (101 b-1), and a sliding piece (102 b) arranged on the inner side of the driven wheel (102 a);
the sliding piece (102 b) comprises five sliding ways (102 b-1) penetrating through the inner side of the driven wheel (102 a), and a sliding column (102 b-2) arranged on the inner side of the sliding way (102 b-1).
4. A self-locking securing mechanism as claimed in claim 3, wherein: the connecting assembly (103) comprises a fixing frame (103 a) arranged on the outer side of the driven wheel (102 a), and a connecting frame (103 b) arranged on the inner side of the fixing frame (103 a).
5. The self-locking mechanism of any one of claims 1-4, wherein: the transmission assembly (201) comprises a driving wheel (201 a) arranged on one side of the rotation assembly (102), a rotating shaft (201 b) penetrating through the center of the driving wheel (201 a), and an anti-slip screwing head (201 c) arranged on the upper side of the rotating shaft (201 b).
6. The self-locking mechanism of claim 5, wherein: the support assembly (202) comprises a support seat (202 a) arranged at the bottom of the rotating shaft (201 b), and a first positioning shaft (202 b) arranged at one side of the rotating shaft (201 b).
7. The self-locking mechanism of claim 6, wherein: the locking assembly (203) comprises an unlocking piece (203 a) arranged on the upper side of the first positioning shaft (202 b), a tension spring (203 b) arranged at one end of the unlocking piece (203 a), a pawl (203 c) arranged at the other end of the tension spring (203 b), and a second positioning shaft (203 d) penetrating through the inner side of the pawl (203 c).
8. A handling device, characterized in that: comprising a self-locking fixing mechanism according to any one of claims 1 to 7; the method comprises the steps of,
a gripping unit (300) comprising a gripping assembly (301);
a torsion unit (400) comprising a torsion assembly (401).
9. The handling device of claim 8, wherein: the grabbing assembly (301) comprises a supporting claw (301 a), a group of fixing sheets (301 b) penetrating through the outer side of the supporting claw (301 a), and a handle (301 c) arranged on the upper side of the supporting claw (301 a).
10. The handling device of claim 9, wherein: the torsion assembly (401) comprises a threaded shaft (401 a) penetrating through the middle of the fixing piece (301 b), and a screwing piece (401 b) arranged on the upper side of the threaded shaft (401 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616830.8U CN219953460U (en) | 2023-06-25 | 2023-06-25 | Self-locking fixing mechanism and loading and unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321616830.8U CN219953460U (en) | 2023-06-25 | 2023-06-25 | Self-locking fixing mechanism and loading and unloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953460U true CN219953460U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321616830.8U Active CN219953460U (en) | 2023-06-25 | 2023-06-25 | Self-locking fixing mechanism and loading and unloading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953460U (en) |
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2023
- 2023-06-25 CN CN202321616830.8U patent/CN219953460U/en active Active
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