CN215978620U - Assembled stair for foundation pit construction - Google Patents
Assembled stair for foundation pit construction Download PDFInfo
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- CN215978620U CN215978620U CN202122384758.8U CN202122384758U CN215978620U CN 215978620 U CN215978620 U CN 215978620U CN 202122384758 U CN202122384758 U CN 202122384758U CN 215978620 U CN215978620 U CN 215978620U
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of buildings, and provides an assembled stair for foundation pit construction, which comprises a pit bottom fixing connecting piece, a stair base body, an upper end fixing connecting piece and protective railings arranged on two sides of the stair base body, wherein the pit bottom fixing connecting piece is rotatably connected with one end of the stair base body, and the other end of the stair base body is rotatably connected with one end or the upper end fixing connecting piece of the other stair base body through an assembled connecting piece. Can assemble fast and dismantle, raise the efficiency, practice thrift the cost, satisfy the turnover and use.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to an assembled stair for foundation pit construction.
Background
In recent years, a reusable tool product is vigorously pursued in project construction, not only is the utilization rate high, but also the cost can be saved, and the tool product is a necessary condition for creating a civilized construction site. Along with the advance of science and technology, the trend of continuous development is also presented in foundation ditch engineering construction, and foundation ditch protection stair just is the indispensable facility of personnel business turn over job site. In the past, the stair for foundation pit construction is built by combining steel pipes, clamping pieces, pedals and protective railings, so that the stair is time-consuming and labor-consuming in an economic view, high in cost and incapable of being turned around; from the safety perspective, the service life of the device is difficult to control, and the quality has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to overcome the defects in the prior art, and provides the adjustable stair for foundation pit construction, which can be assembled and disassembled quickly, improves the efficiency, saves the cost and meets the requirement of turnover.
The utility model provides an assembled stair for foundation pit construction, which comprises a pit bottom fixing connecting piece, a stair base body, an upper end fixing connecting piece and protective railings arranged on two sides of the stair base body, wherein the pit bottom fixing connecting piece is rotatably connected with one end of the stair base body, and the other end of the stair base body is rotatably connected with one end or the upper end fixing connecting piece of the other stair base body through an assembled connecting piece. Through the equipment connecting piece, can dismantle and assemble foundation ditch stair, realize having enough to meet the need the use fast. The fixing of the foundation pit stairs is realized through the pit bottom fixing connecting piece and the upper end fixing connecting piece; through the rotation connection of pit bottom fixed connector, assembly connector and stair base member, can adjust the angle of stair base member according to the slope of foundation ditch, security when improving the use.
Further, the assembly connecting piece comprises a first assembly connecting piece and a second assembly connecting piece, one end of the first assembly connecting piece is fixed on the stair base body, the other end of the first assembly connecting piece is connected with one end of the second assembly connecting piece in a rotating mode, and the other end of the second assembly connecting piece is fixedly connected with the other end of the stair base body or the upper end fixed connecting piece.
Specifically, the one end of first equipment connecting piece is fixed on the stair base member, and the other end sets up a first main equipment hole and the first sub-equipment hole that the several is arc distribution, the one end of second equipment connecting piece is equipped with the second main equipment hole that corresponds first main equipment hole, still is equipped with the second sub-equipment hole that corresponds first sub-equipment hole, and bolted connection is passed through to first main equipment hole and second main equipment hole, and first sub-equipment hole and second sub-equipment hole detachable connection. Through the several be arc distribution first sub-equipment hole and with the second sub-equipment hole between detachable be connected, the angle between adjustable first equipment connecting piece and the second equipment connecting piece to make foundation ditch stair can adapt to the shape of foundation ditch inner wall, thereby promote foundation ditch stair's security and practicality.
Further, a distance limiting support member is further arranged on the stair base body; the stair base body comprises a plurality of steps, support rods, an upper frame rod and a lower frame rod, wherein the upper frame rod and the lower frame rod are arranged at two ends of each step; the upper frame rod and the lower frame rod are provided with a plurality of corresponding limiting holes, the supporting rods are arranged in the corresponding limiting holes and connected with the upper frame rod and the lower frame rod, the lower frame rods at two ends of the step are fixedly connected through a fixing rod, one end of one step is fixedly connected with the side surfaces of two adjacent supporting rods at one side, and the other end of the step is fixedly connected with the side surface of the adjacent supporting rod at the other side; the distance limiting support member comprises a first distance limiting support member and a second distance limiting support member, the first distance limiting support member is fixed on the upper frame rod, one end of the second distance limiting support member is rotatably connected with the first distance limiting support member, and the other end of the second distance limiting support member is fixedly connected with the lower frame rod. Through limit for distance supporting member, can adjust the interval of marking time of foundation ditch stair in order to adapt to the slope of foundation ditch.
Further, pit bottom fixed connection spare includes first base, first supporting beam and first connecting piece, the fixed two first supporting beams that are provided with in center of first base, two the other end of first supporting beam rotates and connects the one end of first connecting piece, the other end of first connecting piece is connected the stair base member. Furthermore, the first base is further provided with a first fixing structure for fixing the first base on the ground, and the fixing structure can be a bolt. Specifically, the other end of the first connecting piece is connected with one end of an upper frame rod in the stair base body. Through the rotation connection between first supporting beam and the first connecting piece, can adjust the angle of pit bottom fixed connection and stair base member according to the slope of foundation ditch to improve foundation ditch stair's practicality and security.
Furthermore, the upper end fixed connecting piece comprises a second base and a second supporting beam, one end of the second supporting beam is fixedly arranged in the center of the second base, and the other end of the second supporting beam is connected with the assembly connecting piece or the stair base body. Furthermore, the second base is further provided with a second fixing structure for fixing the second base on the ground, and the fixing structure can be a bolt. Specifically, the other end of the second support beam is connected with the second assembly connecting piece or an upper frame rod in the stair base body through a bolt.
The technical scheme of the utility model has the following advantages:
compared with the traditional foundation pit stairs, the adjustable-pitch and adjustable-length foundation pit stair has the advantages that the space and the length are adjustable, the disassembly and the turnover are rapid according to needs, the time and the labor are saved, and the cost is saved, so that the adjustable-pitch and adjustable-length foundation pit stair is suitable for any deep foundation pit engineering. In the using process, the stair pit bottom fixing connecting piece and the upper end fixing connecting piece are arranged on a construction site and can be detached when needing to be moved; the multi-section stair base body is spliced through the assembly connecting piece to meet the use requirement of the working length. Breaks the limitation of the traditional stairs, and is used once and recycled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front view of an assembled stairway for foundation pit construction according to an embodiment of the present invention;
FIG. 2 is a top view of … shown in FIG. 1;
FIG. 3 is a left side view of … shown in FIG. 1;
FIG. 4 is a schematic structural view of … provided in a second embodiment of the present invention;
FIG. 5 is a schematic structural view of … provided in a third embodiment of the present invention;
description of reference numerals:
1. fixing a connecting piece at the bottom of the pit; 11. a first base; 12. a first support beam; 13. a first connecting member; 14. a first fixed structure; 2. a stair base; 21. stepping; 22. a support bar; 23. an upper frame bar; 24. a lower frame bar; 25. a distance-limited support member; 2501. a first distance limiting support member; 2502. a second distance limiting support member; 3. the upper end is fixed with a connecting piece; 31. a second base; 32. a second support beam; 33. a second fixed structure; 4. a guard rail; 5. assembling a connecting piece; 51. a first assembly connection; 52. a second assembly connection; 5101. a first main assembly hole; 5102. a first sub-assembly hole; 5201. a second main assembly hole; 5202. a second sub-assembly aperture.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides an assembled stair for foundation ditch construction, includes 1, stair base member 2, upper end fixed connector 3 of pit bottom fixed connector and sets up at the protection railing 4 of 2 both sides of stair base member, 1 rotates at the pit bottom fixed connector and connects the one end of stair base member 2, the other end and another of stair base member 2 the one end of stair base member 2 or upper end fixed connector 3 rotate through assembly connectors 5 and connect. Through assembly connection spare 5, can dismantle and assemble foundation ditch stair, realize having enough to meet the need the use fast. The fixing of the foundation pit stairs is realized through the pit bottom fixing connecting piece 1 and the upper end fixing connecting piece 3; through the rotation connection of pit bottom fixed connector 1, assembly connector 5 and stair base member 2, can adjust the angle of stair base member 2 according to the slope of foundation ditch, security when improving the use.
Further, the assembly connecting piece 5 comprises a first assembly connecting piece 51 and a second assembly connecting piece 52, one end of the first assembly connecting piece 51 is fixed on the stair base body 2, the other end of the first assembly connecting piece is rotatably connected with one end of the second assembly connecting piece 52, and the other end of the second assembly connecting piece 52 is fixedly connected with the other stair base body 2 or the upper end fixed connecting piece 3.
Specifically, one end of the first assembly connecting member 51 is fixed on the stair base body 2, the other end of the first assembly connecting member is provided with a first main assembly hole 5101 and a plurality of first sub-assembly holes 5102 distributed in an arc shape, one end of the second assembly connecting member 52 is provided with a second main assembly hole 5201 corresponding to the first main assembly hole 5101 and a second sub-assembly hole 5202 corresponding to the first sub-assembly hole 5102, the first main assembly hole 5101 and the second main assembly hole 5201 are connected through bolts, and the first sub-assembly hole 5102 and the second sub-assembly hole 5202 are detachably connected. Through the several be arc distribution first sub-assembly hole 5102 with second sub-assembly hole 5202 between detachable be connected, the angle between adjustable first equipment connecting piece 51 and the second equipment connecting piece 52 to make foundation ditch stair can adapt to the shape of foundation ditch inner wall, thereby promote foundation ditch stair's security and practicality.
Further, a distance limiting support member 25 is further arranged on the stair base body 2; the stair base body 2 comprises a plurality of steps 21, support rods 22, and an upper frame rod 23 and a lower frame rod 24 which are arranged at two ends of the steps 21; a plurality of corresponding limiting holes are formed in the upper frame rod 23 and the lower frame rod 24, the supporting rods 22 are arranged in the corresponding limiting holes and connected with the upper frame rod 23 and the lower frame rod 24, the lower frame rods 24 at two ends of the step 21 are fixedly connected through a fixing rod, one end of one step 21 is fixedly connected with the side surfaces of two adjacent supporting rods 22 at one side, and the other end of the step 21 is fixedly connected with the side surface of the adjacent supporting rod 22 at the other side; the distance-limited support member 25 includes a first distance-limited support member 2501 and a second distance-limited support member 2502, the first distance-limited support member 2501 is fixed on the upper frame rod 23, one end of the second distance-limited support member 2502 is rotatably connected to the first distance-limited support member 2501, and the other end is fixedly connected to the lower frame rod 24. The distance between the steps 21 of the foundation pit stairs can be adjusted to adapt to the gradient of the foundation pit through the distance limiting supporting member 25.
Further, pit bottom fixed connection spare 1 includes first base 11, first supporting beam 12 and first connecting piece 13, the fixed two first supporting beams 12 that are provided with in center of first base 11, two the other end of first supporting beam 12 rotates and connects the one end of first connecting piece 13, the other end of first connecting piece 13 is connected stair base body 2. Furthermore, the first base 11 is further provided with a first fixing structure 14 for fixing the first base on the ground, and the first fixing structure 14 may be a bolt. Specifically, the other end of the first connecting member 13 is connected to one end of an upper frame bar 23 in the stair base 2. Through the rotation connection between first supporting beam 12 and the first connecting piece 13, can adjust the angle of pit bottom fixed connection spare 1 and stair base member 2 according to the slope of foundation ditch to improve foundation ditch stair's practicality and security.
Further, the upper end fixed connector 3 comprises a second base 31 and a second supporting beam 32, one end of the second supporting beam 32 is fixedly arranged at the center of the second base 31, and the other end is connected with the assembly connector 5 or the stair base 2. Furthermore, the second base 31 is further provided with a second fixing structure 33 for fixing the second base on the ground, and the second fixing structure 33 may be a bolt. Specifically, the other end of the second support beam 32 is connected to the second assembly connector 52 or the upper frame bar 23 in the stair base 2 by bolts.
The working principle is as follows:
during the use, according to foundation ditch slope and degree of depth, two fixed connecting pieces 1 at the bottom of the foundation ditch are fixed to be set up, connect the last framed bent 23 on the left and right sides of 2 one end of stair base member respectively through first connecting piece 13, connect the one end of another stair base member 2 through assembly connectors 5, according to the degree of depth of foundation ditch, can connect a plurality of stair base members 2, reconnect upper end fixed connecting piece 3, it is fixed through second fixed knot structure 33 with upper end fixed connecting piece 3 at last, spacing supporting member 25 on the base member 2 of regulation stair is adjusted according to the foundation ditch slope and is stepped on 21's interval and angle. After the use, the upper end fixed connecting piece 3, the assembly connecting piece 5 between the stair base bodies 2 and the pit bottom fixed connecting piece 1 are dismantled in sections, and the dismantling is completed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (6)
1. An assembled stair for foundation pit construction comprises a pit bottom fixing connecting piece (1), a stair base body (2), an upper end fixing connecting piece (3) and protective railings (4) arranged on two sides of the stair base body (2), and is characterized by further comprising an assembled connecting piece (5); pit bottom fixed connector (1) rotates and connects the one end of stair base member (2), the other end and another of stair base member (2) the one end or upper end fixed connector (3) of stair base member (2) are through equipment connecting piece (5) rotation connection.
2. The assembled stairway for foundation pit construction according to claim 1, wherein the assembly connector (5) comprises a first assembly connector (51) and a second assembly connector (52), one end of the first assembly connector (51) is fixed on the stairway base body (2), the other end of the first assembly connector is rotatably connected with one end of the second assembly connector (52), and the other end of the second assembly connector (52) is fixedly connected with the other stairway base body (2) or the upper end fixed connector (3).
3. The assembled stairway for foundation pit construction according to claim 2, wherein one end of the first assembly connecting piece (51) is fixed on the stairway base body (2), the other end of the first assembly connecting piece is provided with a first main assembly hole (5101) and a plurality of first sub assembly holes (5102) distributed in an arc shape, one end of the second assembly connecting piece (52) is provided with a second main assembly hole (5201) corresponding to the first main assembly hole (5101), the stairway is further provided with a second sub assembly hole (5202) corresponding to the first sub assembly hole (5102), the first main assembly hole (5101) and the second main assembly hole (5201) are connected through bolts, and the first sub assembly hole (5102) and the second sub assembly hole (5202) are detachably connected.
4. The assembled stair for foundation pit construction according to claim 1, wherein the stair base (2) comprises a plurality of steps (21), support rods (22), upper frame rods (23) and lower frame rods (24) arranged at two ends of the steps (21), and distance limiting support members (25) arranged on the upper frame rods (23) and the lower frame rods (24); a plurality of corresponding limiting holes are formed in the upper frame rod (23) and the lower frame rod (24), the supporting rods (22) are arranged in the corresponding limiting holes to connect the upper frame rod (23) and the lower frame rod (24), the lower frame rods (24) at two ends of the step (21) are fixedly connected through a fixing rod, one end of one step (21) is fixedly connected with the side surfaces of two adjacent supporting rods (22) at one side, and the other end of the step is fixedly connected with the side surface of the supporting rod (22) adjacent to the other side; the distance limiting support member (25) comprises a first distance limiting support member (2501) and a second distance limiting support member (2502), the first distance limiting support member (2501) is fixed on the upper frame rod (23), one end of the second distance limiting support member (2502) is rotatably connected with the first distance limiting support member (2501), and the other end of the second distance limiting support member is fixedly connected with the lower frame rod (24).
5. The assembled stair for foundation pit construction according to claim 1, wherein the pit bottom fixing connecting piece (1) comprises a first base (11), first supporting beams (12) and first connecting pieces (13), two first supporting beams (12) are fixedly arranged at the center of the first base (11), the other ends of the two first supporting beams (12) are rotatably connected with one end of the first connecting piece (13), and the other end of the first connecting piece (13) is connected with the stair base body (2); the first base (11) is fixed with the ground through a first fixing structure (14).
6. The assembled stair for foundation pit construction according to claim 1, wherein the upper end fixing connector (3) comprises a second base (31) and a second supporting beam (32), one end of the second supporting beam (32) is fixedly arranged at the center of the second base (31), and the other end of the second supporting beam is connected with the assembling connector (5) or the stair base body (2); the second base (31) is fixed with the ground through a second fixing structure (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384758.8U CN215978620U (en) | 2021-09-30 | 2021-09-30 | Assembled stair for foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384758.8U CN215978620U (en) | 2021-09-30 | 2021-09-30 | Assembled stair for foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215978620U true CN215978620U (en) | 2022-03-08 |
Family
ID=80508702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122384758.8U Active CN215978620U (en) | 2021-09-30 | 2021-09-30 | Assembled stair for foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215978620U (en) |
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2021
- 2021-09-30 CN CN202122384758.8U patent/CN215978620U/en active Active
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