CN220791122U - Profile steel step - Google Patents
Profile steel step Download PDFInfo
- Publication number
- CN220791122U CN220791122U CN202322645544.0U CN202322645544U CN220791122U CN 220791122 U CN220791122 U CN 220791122U CN 202322645544 U CN202322645544 U CN 202322645544U CN 220791122 U CN220791122 U CN 220791122U
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- China
- Prior art keywords
- well
- rod
- wall connecting
- outer limit
- well wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 239000011324 bead Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 description 7
- 239000011247 coating layer Substances 0.000 description 6
- 229920001903 high density polyethylene Polymers 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a profile steel pedal, which comprises a transverse pedal rod and two well wall connecting rods, wherein the front ends of the two well wall connecting rods are respectively connected with the two ends of the transverse pedal rod, and the transverse pedal rod and the two well wall connecting rods form a U-shaped pedal body, and the profile steel pedal is characterized in that: the profile steel step further comprises two well outer limit rods, the well outer limit rods are in one-to-one correspondence with the well wall connecting rods, and the middle parts of the well outer limit rods are hinged with the rear ends of the corresponding well wall connecting rods; a compression spring is arranged between the rear part of the well outer limit rod and the well wall connecting rod. The section steel stepping structure is simple, the section steel can be replaced by stepping without large-area chiseling the well wall, the construction is convenient, and the quality of the original well body cannot be influenced.
Description
Technical Field
The utility model relates to the field of building construction, in particular to a profile steel pedal.
Background
The section steel step is a building material necessity which adopts round steel as a material and adopts a punch press processing technology, is generally arranged in the well wall of a well body such as an inspection well, an elevator well, a sewage well, an inspection well and the like and is used for constructors to climb and move in the well.
At present, the steps used for the inspection well mainly comprise two steps, wherein one step is a hook-shaped steel step, such as a step device disclosed in publication No. CN201100095Y and in publication No. 2008, 8 and 13; the other is a straight steel step, such as a detachable embedded step template for an inspection well, which is disclosed in publication No. CN 209854773U and publication No. 2019, 12 and 27.
The two steps can be directly laid into the wall body assembly type inspection well through pre-buried installation when being installed, and higher safety is provided, however, the steps which are placed in the inspection well for a long time are aged gradually after a period of time, when the steps are required to be replaced, if the steps are replaced by the traditional steps, the original step peripheral wall body or concrete is required to be fully chiseled and the aged steps are removed, after the steps are cleaned and dried, reinstallation procedures can be performed, the quality of the original inspection well is greatly influenced, the construction difficulty is high, the risk coefficient is high, and the construction period is long.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the profile steel step which is simple in structure, can be replaced without large-area chiseling on a well wall, is convenient to construct and does not influence the quality of an original well body.
In order to solve the technical problems, the technical scheme adopted is as follows:
the shaped steel is stepped, including horizontal foot rest pole and two wall of a well connecting rods, the front end of two wall of a well connecting rods is connected with the both ends of horizontal foot rest pole respectively, and horizontal foot rest pole and two wall of a well connecting rods constitute the body of marking time that is the U type, its characterized in that: the profile steel step further comprises two well outer limit rods, the well outer limit rods are in one-to-one correspondence with the well wall connecting rods, and the middle parts of the well outer limit rods are hinged with the rear ends of the corresponding well wall connecting rods; a compression spring is arranged between the rear part of the well outer limit rod and the well wall connecting rod.
When the steps of the well body are required to be replaced, only the positions on the well wall, where the steps are required to be installed, are required to be drilled, and the drilled through holes are ensured to be capable of allowing the out-of-well limiting rods and the well wall connecting rods to extend in; during installation, the rear part of the well outer limiting rod is close to the well wall connecting rod, the well wall connecting rod and the well outer limiting rod extend outwards from the well through the through hole, and at the moment, the well outer limiting rod keeps the state that the rear part is close to the well wall connecting rod under the limitation of the wall of the through hole, and the compression spring is compressed; when the well outer limit rod is completely exposed out of the well wall, the well outer limit rod swings around the rear end of the well wall connecting rod by a certain angle under the drive of the compression spring, the rear end part of the well outer limit rod is staggered from the position of the through hole after swinging, and cannot extend into the through hole again; and then the well wall connecting rod is pulled back towards the in-well direction (the angle between the well outer limit rod and the well wall connecting rod is gradually increased in the pulling back process) until the well outer limit rod is attached to the outer side face of the well wall (at the moment, the well outer limit rod and the well wall connecting rod are mutually perpendicular or approximately mutually perpendicular), the well wall connecting rod cannot be pulled back continuously, then water-swelling sealant can be injected into the through hole, the through hole is sealed, and therefore the step installation is completed. When the section steel is adopted to step and replace the well body, the large-area drilling of the well wall is not needed, the step replacement can be realized only by drilling, the construction is convenient, and the quality of the well body cannot be influenced.
Generally, the transverse foot rest bar and the two well wall connecting bars are both steel bars, and the front part of the well wall connecting bars and the transverse foot rest bar are both coated with high-density polyethylene coating layers. The high-density polyethylene coating layer can prevent the transverse pedal rod and the well wall connecting rod from rusting. Preferably, the surface of the high-density polyethylene coating layer is provided with anti-slip lines.
In the preferred scheme, the rear part of the well wall connecting rod is provided with a strip-shaped placing groove which can accommodate the rear part of the well outside limiting rod, and the strip-shaped placing groove is arranged along the front-back direction; the diameter of the well outer limit rod is smaller than that of the well wall connecting rod. Before the well wall connecting rod and the well outer limiting rod jointly extend out of the through hole, the well outer limiting rod can be swung, one end of the well outer limiting rod is located in the strip-shaped placing groove, and the well wall connecting rod and the well outer limiting rod are located on the same straight line, so that when the well wall is drilled, only the slightly larger diameter of the through hole and the well wall connecting rod are required to be ensured. Generally, the cross section of the strip-shaped placing groove is semicircular, and the cross section of the well external limiting rod is circular.
In a further preferred scheme, the compression spring is arranged in the strip-shaped placing groove, one end of the compression spring is connected with the groove wall of the strip-shaped placing groove, and the other end of the compression spring faces the opening of the strip-shaped placing groove. Before the well outside limiting rod is completely exposed out of the well wall, the rear part of the well outside limiting rod is limited in the strip-shaped placing groove and compresses the compression spring; when the well outer limit rod is completely exposed out of the well wall, the well outer limit rod swings under the action of the compression spring, so that the rear part of the well outer limit rod is separated from the strip-shaped placing groove.
In a further preferred scheme, the rear end of the well wall connecting rod is provided with two extending hinging blocks extending backwards, the two extending hinging blocks are respectively provided with a first pin hole, and the positions of the two first pin holes are corresponding; the middle part of the well outer limit rod is provided with a second pin hole corresponding to the first pin hole, and the well outer limit rod is hinged with the two extending hinge blocks through a bolt. The extension hinging block can prevent the rotation of the out-of-well limiting rod from being limited.
In a further preferable scheme, a rotating ball is arranged in the middle of the well external limiting rod, and the second pin hole is formed in the rotating ball; the length of the extension hinging block is matched with the diameter of the rotating beads.
The utility model has the beneficial effects that: the section steel pedal structure is simple in structure and convenient to install, the pedal can be installed or replaced without large-area chiseling on the well wall, and the quality of the well body cannot be affected.
Drawings
FIG. 1 is a schematic view of a medium-sized steel tread according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the rear part of the borehole wall connecting rod and the external limit rod in the embodiment of the utility model;
FIG. 3 is a rear view of the rear of the borehole wall connecting rod and the outer stop rod in an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of the middle-sized steel step according to the embodiment of the present utility model when the middle-sized steel step extends into the through hole of the well wall;
FIG. 5 is a schematic view of the structure of the well outside limit lever according to the embodiment of the present utility model when the outside limit lever is completely exposed to the outside of the well wall;
FIG. 6 is a schematic diagram of an embodiment of the present utility model illustrating the structure of an out-of-well stop lever during swing;
FIG. 7 is a schematic view of the structure of the middle-sized steel step according to the embodiment of the present utility model when the installation is completed.
Detailed Description
The utility model is further described with reference to the accompanying drawings and specific embodiments:
the profile steel step shown in the figures 1-3 comprises a transverse foot pedal rod 1, two well wall connecting rods 2 and two well outer limiting rods 3, wherein the front ends of the two well wall connecting rods 2 are respectively connected with two ends of the transverse foot pedal rod 1, the transverse foot pedal rod 1 and the two well wall connecting rods 2 form a U-shaped step body, the well outer limiting rods 3 are in one-to-one correspondence with the well wall connecting rods 2, and the middle parts of the well outer limiting rods 3 are hinged with the rear ends of the corresponding well wall connecting rods 2; a compression spring 301 is arranged between the rear part of the well outer limit rod 3 and the well wall connecting rod 2.
As shown in fig. 4-7, when the steps of the well body are required to be replaced, only holes are required to be drilled at the positions on the well wall 4 where the steps are required to be installed, and the drilled through holes are ensured to be capable of being extended into the well outside limiting rods 3 and the well wall connecting rods 2; during installation, the rear part of the well outer limit rod 3 is close to the well wall connecting rod 2, the well wall connecting rod 2 and the well outer limit rod 3 are outwards extended out of the well through the through hole, at the moment, the well outer limit rod 3 keeps the state that the rear part is close to the well wall connecting rod 2 under the limit of the wall of the through hole, and the compression spring 301 is compressed; when the well external limiting rod 3 is completely exposed out of the well wall 4, the well external limiting rod 3 swings around the rear end of the well wall connecting rod 2 for a certain angle under the drive of the compression spring 301, the rear end part of the well external limiting rod 3 after swinging is staggered from the position of the through hole, and cannot extend into the through hole again; and then the well wall connecting rod 2 is pulled back towards the in-well direction (the angle between the well outer limit rod 3 and the well wall connecting rod 2 is gradually increased in the pulling back process) until the well outer limit rod 3 is attached to the outer side face of the well wall 4 (at the moment, the well outer limit rod 3 and the well wall connecting rod 2 are mutually perpendicular or approximately mutually perpendicular), the well wall connecting rod 2 cannot be pulled back continuously, then water-swelling sealant can be injected into the through hole, the through hole is sealed, and accordingly the step installation is completed. When the section steel is adopted to step and replace the well body, the large-area drilling of the well wall 4 is not needed, the step replacement can be realized only by drilling, the construction is convenient, and the quality of the well body cannot be influenced.
The transverse foot rest rod 1, the two well wall connecting rods 2 and the two well outer limiting rods 3 are all steel bars, wherein the diameter of the well wall connecting rods 2 is 16mm, and the diameter of the well outer limiting rods 3 is 10mm; the front part of the well wall connecting rod 2 and the transverse foot bar 1 are both coated with a high-density polyethylene coating layer. The high-density polyethylene coating layer can prevent the transverse foot bars 1 and the well wall connecting bars 2 from rusting. Preferably, the surface of the high-density polyethylene coating layer is provided with anti-slip lines.
The rear part of the well wall connecting rod 2 is provided with a strip-shaped placing groove 201 which can accommodate the rear part of the well outside limiting rod 3, and the strip-shaped placing groove 201 is arranged along the front-back direction; the diameter of the well outside limit rod 3 is smaller than that of the well wall connecting rod 2. Before the well wall connecting rod 2 and the well outer limit rod 3 jointly extend out of the through hole, the well outer limit rod 3 can be swung, one end of the well outer limit rod 3 is located in the strip-shaped placing groove 201, the well wall connecting rod 2 and the well outer limit rod 3 are located on the same straight line, and therefore when the well wall 4 is drilled, the diameter of the through hole is only required to be ensured to be slightly larger than that of the well wall connecting rod 2. The cross section of the strip-shaped placing groove 201 is semicircular, and the cross section of the well external limiting rod 3 is circular.
The compression spring 301 is disposed in the strip-shaped placement groove 201, one end of the compression spring 301 is connected with the groove wall of the strip-shaped placement groove 201, and the other end of the compression spring 301 faces the opening of the strip-shaped placement groove 201. Before the well outside limit rod 3 is completely exposed out of the well wall 4, the rear part of the well outside limit rod 3 is limited in the strip-shaped placing groove 201 and compresses the compression spring 301; when the well outside limit rod 3 is completely exposed out of the well wall 4, the well outside limit rod 3 swings under the action of the compression spring 301, so that the rear part of the well outside limit rod 3 is separated from the strip-shaped placing groove 201.
The rear end of the well wall connecting rod 2 is provided with two extending hinging blocks 202 which extend backwards, the two extending hinging blocks 202 are respectively provided with a first pin hole, and the positions of the two first pin holes are corresponding; the middle part of the well outside limiting rod 3 is provided with a second pin hole corresponding to the first pin hole, and the well outside limiting rod 3 is hinged with two extension hinging blocks 202 through a bolt 5. The provision of the extension hinge block 202 prevents the rotation of the out-of-well stop lever 3 from being limited.
The middle part of the well outside limiting rod 3 is provided with a rotating ball 302, and a second pin hole is formed in the rotating ball 302; the length of the extended hinge block 202 matches the diameter of the rotating beads 302.
Claims (5)
1. The shaped steel is stepped, including horizontal foot rest pole and two wall of a well connecting rods, the front end of two wall of a well connecting rods is connected with the both ends of horizontal foot rest pole respectively, and horizontal foot rest pole and two wall of a well connecting rods constitute the body of marking time that is the U type, its characterized in that: the profile steel step further comprises two well outer limit rods, the well outer limit rods are in one-to-one correspondence with the well wall connecting rods, and the middle parts of the well outer limit rods are hinged with the rear ends of the corresponding well wall connecting rods; a compression spring is arranged between the rear part of the well outer limit rod and the well wall connecting rod.
2. The profile steel step of claim 1, wherein: the rear part of the well wall connecting rod is provided with a strip-shaped placing groove which can accommodate the rear part of the well outer limiting rod, and the strip-shaped placing groove is arranged along the front-back direction; the diameter of the well outer limit rod is smaller than that of the well wall connecting rod.
3. The profile steel step of claim 2, wherein: the compression spring is arranged in the strip-shaped placing groove, one end of the compression spring is connected with the groove wall of the strip-shaped placing groove, and the other end of the compression spring faces the opening of the strip-shaped placing groove.
4. The profile steel step of claim 2, wherein: the rear end of the well wall connecting rod is provided with two extending hinging blocks extending backwards, the two extending hinging blocks are respectively provided with a first pin hole, and the positions of the two first pin holes are corresponding; the middle part of the well outer limit rod is provided with a second pin hole corresponding to the first pin hole, and the well outer limit rod is hinged with the two extending hinge blocks through a bolt.
5. The profile steel step of claim 4, wherein: the middle part of the well external limiting rod is provided with a rotating ball, and the second pin hole is formed in the rotating ball; the length of the extension hinging block is matched with the diameter of the rotating beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645544.0U CN220791122U (en) | 2023-09-28 | 2023-09-28 | Profile steel step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645544.0U CN220791122U (en) | 2023-09-28 | 2023-09-28 | Profile steel step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791122U true CN220791122U (en) | 2024-04-16 |
Family
ID=90634926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322645544.0U Active CN220791122U (en) | 2023-09-28 | 2023-09-28 | Profile steel step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791122U (en) |
-
2023
- 2023-09-28 CN CN202322645544.0U patent/CN220791122U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |