CN221321298U - Connection structure between steel plates - Google Patents
Connection structure between steel plates Download PDFInfo
- Publication number
- CN221321298U CN221321298U CN202322741927.8U CN202322741927U CN221321298U CN 221321298 U CN221321298 U CN 221321298U CN 202322741927 U CN202322741927 U CN 202322741927U CN 221321298 U CN221321298 U CN 221321298U
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- CN
- China
- Prior art keywords
- connecting plate
- hole
- connection
- shaft seat
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model provides a connecting structure between steel plates, which comprises a first connecting plate, a second connecting plate, a connecting shaft seat, a connecting shaft sleeve, a gland and a bolt pair assembly, wherein the first connecting plate is connected with the first connecting plate; the inner holes with the same diameter are formed in the first connecting plate and the second connecting plate, the connecting shaft seat is located in the connecting shaft seat, the gland is located on one side of the second connecting plate, and the bolt auxiliary assembly penetrates through the connecting shaft seat and the inner holes of the gland to firmly connect the first connecting plate and the second connecting plate. When the steel structure is initially installed, due to the fact that the gaps are convenient to install, when the steel structure is pre-tightened or fastened through the locking nuts, the peripheral size of the connecting shaft seat can be changed in a local range, the connecting gaps are reduced or even eliminated, accordingly, all the connections can be guaranteed to be stressed in a coordinated mode, and the manufacturing difficulty, the installation convenience and the connection firmness of the steel structure are guaranteed.
Description
Technical Field
The utility model belongs to the technical field of steel structural member connection, and particularly relates to a connection structure between steel plates.
Background
In the production process of nitric acid, a nitric acid absorption tower is equipment for treating nitrogen oxide (NOx) pollutants, and in the manufacturing process of the nitric acid absorption tower, connection among a plurality of steel plates is involved, and for connection among steel structures with fixed relative positions, the connection among the steel plates is mostly carried out by adopting a welding mode; for the connection of the detachable pieces, usually, pin shaft connection or thread direct connection is adopted, such as pin shaft connection shown in the attached figure 1 of the specification, the pin shaft penetrates through inner holes of the first connecting plate and the second connecting plate, a boss at one end of the pin shaft is clamped with the first connecting plate, a pin hole is formed at the other end of the pin shaft, and the connection of the first connecting plate and the second connecting plate is realized through tight fit of an internal thread cylindrical pin and the pin hole; for the direct connection of threads, a bolt penetrates through an inner hole of the connecting plate and is connected with the locking nut through the elastic pad. The shaft diameter of the pin shafts in the two connection modes is smaller than the bore diameter of the inner hole of the connecting plate, that is to say, the pin shaft connection or the screw thread direct connection is adopted to form a connection gap.
In the actual assembly of the detachable steel structural member of the nitric acid absorption tower, if the connecting gap is too small, the processing method and the precision requirement of the structural member are relatively high, the processing difficulty and the manufacturing cost are increased, and the installation is difficult; if the connecting gap is larger, the structural member can generate larger inelastic deformation when being stressed, and the local stress is overlarge, so that potential safety hazards are generated.
Disclosure of utility model
The utility model aims to provide a connecting structure between steel plates, which solves the problems that if the connecting gap is too small, the processing method and the precision requirement of a structural member are relatively high, the processing difficulty and the manufacturing cost are increased, and the installation is difficult; if the connecting gap is larger, the structural member can generate larger inelastic deformation when being stressed, the local stress is overlarge, and the potential safety hazard is generated.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a connecting structure between steel plates comprises a first connecting plate, a second connecting plate, a connecting shaft seat, a connecting shaft sleeve, a gland and a bolt pair assembly; the inner holes with the same diameter are formed in the first connecting plate and the second connecting plate, the connecting shaft seat is located in the connecting shaft seat, the gland is located on one side of the second connecting plate, and the bolt auxiliary assembly penetrates through the connecting shaft seat and the inner holes of the gland to firmly connect the first connecting plate and the second connecting plate.
As a further improvement of the utility model, a limit boss is arranged at one end of the connecting shaft seat far away from the second connecting plate, a first through hole is arranged at one end of the connecting shaft seat near the second connecting plate, and an inclined through hole is connected to the left end of the first through hole.
As a further improvement of the utility model, the connecting shaft sleeve is a cone, and the connecting shaft sleeve is provided with a second through hole.
As a further improvement of the utility model, the inclination angle of the connecting shaft sleeve cone is consistent with the inclination angle specification of the inclined through hole, and the two inclination angles are smaller than the friction angle of the steel material.
As a further improvement of the utility model, a third through hole is arranged on the gland, and the outer diameter of the gland is larger than the diameters of the inner holes of the first connecting plate and the second connecting plate.
As a further improvement of the present utility model, the second through-hole has a specification identical to the third through-hole.
As a further improvement of the utility model, the bolt subassembly comprises a connecting bolt, a spring washer and a locking nut.
Compared with the prior art, the utility model has the beneficial effects that: according to the connecting structure between the steel plates, through the arrangement of the first connecting plate, the second connecting plate, the connecting shaft seat, the connecting shaft sleeve, the gland and the bolt auxiliary assembly, the gap is convenient to install in the initial installation process, and when the steel plates are pre-tightened or fastened through the locking nut, the peripheral size of the connecting shaft seat can be changed in a local range, the connecting gap is reduced or even eliminated, so that all the connections can be coordinated and stressed, and the manufacturing difficulty, the installation convenience and the connection firmness of the steel structural members are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, 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 from these drawings without inventive faculty for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of a prior art connection of two connection plates via a pin;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a connecting shaft seat according to the present utility model;
Fig. 4 is a schematic view of the structure of the connecting sleeve of the present utility model.
In the figure: 100. a first connection plate; 200. a second connecting plate; 300. connecting a shaft seat; 301. a limit boss; 302. a first through hole; 303. an inclined through hole; 400. a connecting shaft sleeve; 401. a second through hole; 500. a gland; 501. a third through hole; 600. a bolt sub-assembly, 601, connecting bolts; 602. a spring washer; 603. and (5) locking the nut.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
It is noted that the terms "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing the present utility model and to simplify the description, and do not denote or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
It should be understood that the terms first, second, etc. are used herein to describe various elements, but these elements should not be limited by these terms, these terms should be interpreted mainly to distinguish one element from another. In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited.
Fig. 1 illustrates a schematic diagram of firm connection between a first connecting plate 100 and a second connecting plate 200 through a pin shaft and an internal thread cylindrical pin in the prior art, wherein the first connecting plate 100 and the second connecting plate 200 are provided with round holes with the same inner diameter, a boss at one end of the pin shaft is clamped with the first connecting plate 100, a pin hole is formed at the other end of the pin shaft, the connection between the first connecting plate 100 and the second connecting plate 200 is realized through the tight fit of the internal thread cylindrical pin and the pin hole, the internal thread cylindrical pin is taken out through a threaded hole of the internal thread cylindrical pin during disassembly, and as the diameter of the pin shaft is smaller than the aperture of an ear plate, a connection gap exists, the pin shaft can be conveniently pulled out, and the separation between the first connecting plate 100 and the second connecting plate 200 is realized.
Referring to fig. 2 to 4, the connection structure between steel plates in the present embodiment includes a first connection plate 100, a second connection plate 200, a connection shaft seat 300, a connection shaft sleeve 400, a gland 500, and a bolt sub-assembly 600.
The first connection plate 100 and the second connection plate 200 are provided with inner holes with the same diameter, and the structures of the first connection plate 100 and the second connection plate 200 are the same as those of the prior art.
The connecting shaft seat 300 is located in the first connecting plate 100 and the second connecting plate 200, a limiting boss 301 is arranged at one end, away from the second connecting plate 200, of the connecting shaft seat 300, a first through hole 302 is formed at one end, close to the second connecting plate 200, of the connecting shaft seat 300, an inclined through hole 303 is connected to the left end of the first through hole 302, and limiting can be performed through the limiting boss 301 when the connecting shaft seat 300 and the first connecting plate 100 are connected.
The connecting shaft sleeve 400 is positioned in the connecting shaft seat 300, the connecting shaft sleeve 400 is a cone, the connecting shaft sleeve 400 is provided with a second straight through hole 401, the inclination angle of the cone of the connecting shaft sleeve 400 is consistent with the inclination angle specification of the inclined through hole 303, and the two inclination angles are smaller than the friction angle of steel; when the connecting shaft seat 300 or the connecting shaft sleeve 400 receives the stress towards the inclined plane, the stress can be decomposed into the stress vertical to the inclined plane and the stress parallel to the inclined plane, the stress parallel to the inclined plane enables the outer part and the middle part of the device to have sliding trend, the stress vertical to the inclined plane can generate friction force on the inclined plane, and the inclined angle of the inclined plane is smaller than the friction angle of steel, so that the component force on the inclined plane is smaller than the maximum static friction force, namely the device can be self-locked, thereby ensuring the stability of the structure of the device when the device is stressed.
The gland 500 is located one side of the second connecting plate 200, the bolt sub-assembly 600 penetrates through the connecting shaft sleeve 400 and the inner hole of the gland 500 to firmly connect the first connecting plate 100 and the second connecting plate 200, the gland 500 is provided with a third through hole 501, the specification of the second through hole 401 is consistent with that of the third through hole 501, and the bolt sub-assembly 600 comprises a connecting bolt 601, a spring gasket 602 and a locking nut 603. The outer diameter of the gland 500 is larger than the diameters of the inner holes of the first and second connection plates 100 and 200, thereby ensuring that the gland 500 can be tightly crimped on the outer end surface of the second connection plate 200 when pre-tightened or fastened by the lock nut 603.
Further, the first connecting plate 100 and the second connecting plate 200 according to embodiment 1 of the present utility model are flat plate structures, and in practical application, the connecting plates can be replaced by two or even more bending members or profile members, and only the flat plate structures of the connecting portions are ensured.
The connection structure between the steel plates in this embodiment is specifically used as follows: when the device is initially installed, the connecting shaft seat 300 passes through the inner holes of the first connecting plate 100 and the second connecting plate 200, the connecting shaft seat 300 and the first connecting plate 100 are limited by the limiting boss 301, the gap is larger at the moment and easy to install, the connecting shaft sleeve 400 is placed in the connecting shaft seat 300, the contact surface of the connecting shaft sleeve 400 and the connecting shaft seat 300 is an inclined surface, and then the connecting bolt 601 sequentially passes through the inclined through hole 303, the first through hole 302 and the third through hole 501.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The connecting structure between the steel plates is characterized by comprising a first connecting plate (100), a second connecting plate (200), a connecting shaft seat (300), a connecting shaft sleeve (400), a gland (500) and a bolt pair assembly (600);
The novel connecting structure comprises a first connecting plate (100) and a second connecting plate (200), wherein inner holes with the same diameter are formed in the first connecting plate (100) and the second connecting plate (200), a connecting shaft seat (300) is arranged in the first connecting plate (100) and the second connecting plate (200), a connecting shaft sleeve (400) is arranged in the connecting shaft seat (300), a gland (500) is arranged on one side of the second connecting plate (200), and a bolt sub-assembly (600) penetrates through the connecting shaft sleeve (400) and the inner holes of the gland (500) to firmly connect the first connecting plate (100) and the second connecting plate (200).
2. The connection structure between steel plates according to claim 1, wherein a limit boss (301) is disposed at an end of the connection shaft seat (300) away from the second connection plate (200), a first through hole (302) is disposed at an end of the connection shaft seat (300) close to the second connection plate (200), and an oblique through hole (303) is connected to a left end of the first through hole (302).
3. The connecting structure between steel plates according to claim 2, wherein the connecting sleeve (400) is a cone, and the connecting sleeve (400) is provided with a second through hole (401).
4. A connection structure between steel plates according to claim 3, characterized in that the inclination angle of the cone of the connecting sleeve (400) is in accordance with the inclination angle specification of the inclined through hole (303), both inclination angles being smaller than the friction angle of the steel material.
5. A connection structure between steel plates according to claim 3, characterized in that the gland (500) is provided with a third through hole (501), and the outer diameter of the gland (500) is larger than the diameters of the inner holes of the first connecting plate (100) and the second connecting plate (200).
6. The structure according to claim 5, wherein the second through hole (401) and the third through hole (501) are identical in specification.
7. The connection structure between steel plates according to claim 1, wherein the bolt sub-assembly (600) includes a connection bolt (601), a spring washer (602) and a lock nut (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741927.8U CN221321298U (en) | 2023-10-12 | 2023-10-12 | Connection structure between steel plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741927.8U CN221321298U (en) | 2023-10-12 | 2023-10-12 | Connection structure between steel plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221321298U true CN221321298U (en) | 2024-07-12 |
Family
ID=91799554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322741927.8U Active CN221321298U (en) | 2023-10-12 | 2023-10-12 | Connection structure between steel plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221321298U (en) |
-
2023
- 2023-10-12 CN CN202322741927.8U patent/CN221321298U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |