CN216665136U

CN216665136U - Assembled foundation pit underpainting packway

Info

Publication number: CN216665136U
Application number: CN202122557750.7U
Authority: CN
Inventors: 高洪达; 纪相存
Original assignee: China Huaye Group Co Ltd
Current assignee: China Huaye Group Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-03
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of building construction auxiliary devices, and discloses an assembled foundation pit pedestrian crossing, which comprises a pedestrian platform and a plurality of stair standard sections which are sequentially connected; the people passing platform comprises: the two cross beams and the first handrail are arranged oppositely, the first handrail is arranged above the cross beams, and two ends of the first vertical rod are connected to the cross beams and the first handrail respectively; the standard section of the stair comprises: two opposite ladder posts, a pedal, two ends of which are respectively connected with the two ladder posts, a second handrail arranged above the ladder posts, and a second upright rod, two ends of which are respectively connected with the ladder posts and the second handrail; adjacent the stair standard knot can dismantle the connection between, be located the top the stair standard knot with cross people's platform and rotate and be connected. This people's packway under assembled foundation ditch can carry out the spelling fast when using, and convenient to detach after finishing using simultaneously, but reuse has reduced construction cost.

Description

Assembled foundation pit pedestrian crossing

Technical Field

The utility model relates to the technical field of building construction auxiliary devices, in particular to an assembled foundation pit underpass.

Background

After the foundation pit is excavated, a safety channel which is convenient for constructors to go up and down the foundation pit and is also called a man-riding track is arranged on the side slope. The boarding packway has two structural forms of temporary and fixed, such as a temporary boarding packway built by steel pipe scaffolds and a prefabricated integrated packway. When the side slope is large, constructors are often inconvenient to assemble and disassemble for a pedestrian crossing erected by adopting a steel pipe scaffold, and certain danger exists. In addition, its dismouting expense of lower person's packway of setting up temporarily is higher, and lower person's packway need support with the steel pipe on the bank protection simultaneously, has certain destructiveness to the bank protection. Prefabricated integral type packway needs large-scale machinery to hoist when removing, and is inconvenient during the dismouting, takes up the place when depositing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provide an assembled underpass for a foundation pit, which is convenient to assemble and disassemble, does not damage a revetment and can be recycled.

In order to achieve the aim, the utility model provides an assembly type foundation pit pedestrian crossing, which comprises a pedestrian platform and a plurality of stair standard sections which are sequentially connected; the people passing platform comprises: the two cross beams and the first handrail are arranged oppositely, the first handrail is arranged above the cross beams, and two ends of the first vertical rod are respectively connected to the cross beams and the first handrail; the standard section of the stair comprises: two opposite ladder posts, a pedal, two ends of which are respectively connected with the two ladder posts, a second handrail arranged above the ladder posts, and a second upright rod, two ends of which are respectively connected with the ladder posts and the second handrail; adjacent the stair standard knot can dismantle the connection between, be located the top the stair standard knot with cross people's platform and rotate and be connected.

Preferably, the upper surface of the cross beam is provided with a first bolt opposite to the first vertical rod; the lower surface of the first handrail is provided with a first bolt opposite to the first upright rod; the first vertical rod is tubular, and the end part of the first vertical rod is sleeved on the first plug pin.

Preferably, the end of the first vertical rod and the first bolt are provided with pin holes opposite to each other, and a positioning pin is arranged in each pin hole.

Preferably, the upper surface of the ladder post is provided with a second bolt opposite to the second upright rod; the lower surface of the second handrail is provided with a second bolt opposite to the second upright rod; the second vertical rod is tubular, and the end part of the second vertical rod is sleeved on the second plug pin.

Preferably, the end of the second vertical rod and the second bolt are provided with pin holes opposite to each other, and the pin holes are internally provided with positioning pins.

Preferably, the side surface of the ladder post is provided with a pedal support; the end part of the pedal is connected with the pedal support bolt.

Preferably, one end of the ladder post is provided with a connecting plate extending outwards along the length direction; and the other end of the ladder post and the connecting plate are provided with connecting holes.

Preferably, the second handrail is a variable cross-section tubular structure, and one end of the second handrail can penetrate through the other end of the adjacent second handrail.

Preferably, the end of the second handrail is provided with a pin hole.

Preferably, one end of the cross beam is hinged with a connector, and the connector is bolted with the ladder post at the top end; one end of the first handrail is hinged with a connecting rod, and the connecting rod penetrates through the end part of the second handrail positioned at the top end.

According to the above description and practice, the assembled foundation pit manway can be quickly formed by the assembly and matching of the man-passing platform and the plurality of stair standard knots, is convenient for constructors to get in and out of the upper foundation pit and the lower foundation pit, and can be quickly dismantled after the foundation pit is constructed, so that the lower manway can be reused.

Drawings

Fig. 1 is a schematic structural diagram of a man-riding way under an assembled foundation pit according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a standard section of a staircase according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a passerby platform according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a second handrail according to an embodiment of the present invention.

Figure 6 is a schematic view of the construction of a second upright according to an embodiment of the utility model.

Fig. 7 is a schematic structural view of a ladder post and a step bracket according to an embodiment of the present invention.

Fig. 8 is a schematic view of a pedal according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a first handrail according to an embodiment of the present invention.

Fig. 10 is a schematic structural view of a connecting rod according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of a cross member according to an embodiment of the present invention.

The reference numbers in the figures are:

1. side slope 2, slope protection 3 and people passing platform

4. Stair standard knot 5, connector 6 and connecting rod

31. Crossbeam 32, first handrail 33, first vertical rod

34. A first bolt 41, a ladder post 42 and a second handrail

43. Second upright rod 44, pedal 45 and pedal support

46. Second bolt 47, connecting plate.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. In the present disclosure, the terms "include", "arrange", "disposed" and "disposed" are used to mean open-ended inclusion, and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting as to the number or order of their objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The man-riding way under the assembled foundation pit in this embodiment is arranged on the side slope of the foundation pit, as shown in fig. 1, a concrete poured revetment 2 is arranged on the side slope 1 of the foundation pit, and the man-riding way under the assembled foundation pit is arranged along the revetment 2.

Fig. 1 shows a side structure of an assembled foundation pit man-riding way in the embodiment, fig. 2 shows a side structure of a standard section of a staircase in the embodiment, fig. 4 shows a side structure of a platform for passing a man in the embodiment, fig. 5 shows a side structure of a second handrail in the embodiment, fig. 6 shows a side structure of a second vertical rod in the embodiment, fig. 7 shows a top structure of a ladder post and a step support in the embodiment, fig. 8 shows a top structure of a step in the embodiment, fig. 9 shows a top structure of a first handrail in the embodiment, fig. 10 shows a top structure of a connecting rod in the embodiment, and fig. 11 shows a top structure of a cross beam in the embodiment.

Referring to fig. 1 to 4, in this embodiment, the man-riding way under the assembly type foundation pit includes a man-passing platform 3 and six stair standard sections 4 connected in sequence, the man-passing platform 3 is disposed above the horizontal revetment 2, and the stair standard sections 4 are disposed along the inclined revetment 2.

Please refer to fig. 4, 9-11, wherein the human passing platform 3 includes: two cross beams 31, a first handrail 32 and a first vertical rod 33 which are oppositely arranged. Two crossbeams 31 set up in the top of bank protection 2, and crossbeam 31 can directly set up on bank protection 2 in practical application, perhaps pre-buried crab-bolt in bank protection 2, with crossbeam 31 and this crab-bolt threaded connection or welding together. The first handrail 32 is arranged above the cross member 31 and is connected to the cross member 31 by three first vertical rods 33, in other words, both ends of the first vertical rods 33 are connected to the cross member 31 and the first handrail 32, respectively.

Please refer to fig. 2-3 and 5-8, wherein the standard stairway section 4 includes: two ladder bars 41, a second handrail 42 and a second upright 43 arranged opposite each other, and a tread 44. Wherein, two ladder posts 41 are arranged at the inclined position of the revetment 2, and two ends of the footplate 44 are respectively connected to the two ladder posts 41 facing each other. The second handrail 42 is disposed above the ladder post 41 and is connected to the ladder post 41 by two second uprights 43, in other words, both ends of the second uprights 43 are connected to the ladder post 41 and the second handrail 42, respectively.

In this embodiment, six stair standard knots 4 which are sequentially connected end to end are arranged, and adjacent stair standard knots are detachably connected, for example, connected through bolts, so that the stair standard knots are convenient to assemble and disassemble. The standard section 4 of the stair at the topmost end is rotatably connected with the platform 3 for people to pass through, so that the slope protection 2 with different slopes can be conveniently adapted. This assembled foundation ditch people's packway is that detachable structure is convenient assembles it, dismantles, still can not damage the bank protection simultaneously, can realize reuse, reduces the cost of construction.

In addition, in this embodiment, a first pin 34 is provided on the upper surface of the cross member 31 and faces the first vertical rod 33, a first pin 34 is provided on the lower surface of the first handrail 32 and faces the first vertical rod 33, the first vertical rod 33 is a tubular structure, and the end portion of the first pin 34 is sleeved on the first vertical rod 33, so as to detachably connect the first handrail 32, the first vertical rod 33 and the cross member 31. In order to improve the stability of the connection of the first handle 32, the first upright 33, and the cross member 31, a pin hole is provided in the end of the first upright 33 and the first pin 34, and a positioning pin is provided in the pin hole. The positioning pin can limit the movement of the first handrail 32 and the cross beam 31 along the length direction of the first vertical rod 33, and the connection stability of the first handrail 32, the first vertical rod 33 and the cross beam 31 is improved.

In this embodiment, in order to improve the detachability of the lower walkway, the connection of the step 44 to the ladder post 41 is made detachably. Specifically, a plurality of step holders 45 are provided at equal intervals on the side surfaces of the ladder posts, the step holders 45 and the ladder posts 41 are welded together, bolt holes are provided in the step holders 45, bolt holes are provided in the end portions of the steps 44, and the steps and the step holders 45 are connected together by bolts. When the ladder is used, the pedals 44 can be connected to the ladder posts 41 through bolts, and when the ladder is transported, the pedals 44 can be detached from the ladder posts 41, so that the ladder is convenient to disassemble, assemble and transport. The tread 44 is a tread plate with friction-increasing protrusions on its upper surface.

A second bolt 46 opposite to the second upright rod 43 is arranged on the upper surface of the ladder post 41, a second bolt 46 opposite to the second upright rod 43 is arranged on the lower surface of the second handrail 42, the second upright rod 43 is of a tubular structure, and the end part of the second upright rod 43 is sleeved on the second bolt 46, so that the second handrail 42, the second upright rod 43 and the ladder post 41 are detachably connected together. In order to improve the stability of the connection of the second handrail 42, the second vertical bar 43, and the ladder post 41, a pin hole is provided in the end of the second vertical bar 43 and the second pin 46 so as to face each other, and a positioning pin is provided in the pin hole. The positioning pin can limit the movement of the second handrail 42 and the ladder post 41 along the length direction of the second vertical rod 43, so that the connection stability of the second handrail 42, the second vertical rod 43 and the ladder post 41 is improved.

In addition, in order to ensure the safety performance of the pedestrian crossing, the step supports 45 with various inclination angles can be arranged on the ladder post 41, the inclination angle is the included angle between the step support 45 and the length direction of the ladder post 41, when in actual installation, the step 44 is arranged on the step support 45 with the inclination angle which is the same as or close to the gradient of the slope protection 2, at this time, the step 44 can be ensured to be in a horizontal state or a nearly horizontal state, and the safety performance is good. In this embodiment, the slope of the revetment 2 is 45 °, and accordingly the angle between the tread support 45 and the lengthwise direction of the ladder post 41 is 45 °.

In this embodiment, two adjacent standard stairway sections 4 are detachably connected together. Specifically, one end of the ladder post 41 is provided with a connecting plate 47 extending outwards along the length direction, the other end of the ladder post 41 and the connecting plate 47 are provided with connecting holes with the same hole spacing and hole diameter, and two adjacent standard stairs 4 can be connected together through bolts during use. In addition, in this embodiment, the ladder column 41 is made of i-steel, and the connecting plate 47 is of an integral structure with the ladder column 41, that is, the flange at the connecting plate 47 of the i-steel is cut off. The second handrail 42 is in an insertion connection manner, specifically, the second handrail 42 is a tubular structure with a variable cross section, such as a variable diameter circular tube, one end of which can be inserted into the other end of the adjacent second handrail 42, in other words, the outer diameter of one end of the circular tube is smaller than the inner diameter of the other end. In addition, pin holes are further formed at both ends of the second handrail 42, and when two adjacent second handrails 42 are connected together, a positioning pin is inserted into the pin hole, so that the movement of the second handrail 42 in the length direction can be limited, and the stability of the riding track can be improved.

In this embodiment, a connecting head 5 is hinged to one end of the cross beam 31, the connecting head 5 is provided with connecting holes having the same pitch and diameter as those of the connecting holes at the end of the ladder post 41, the connecting head 5 is fixedly connected to the ladder post 41 at the top end by a bolt in use, and one end of the connecting head 5 away from the ladder post 41 is rotatably connected to the end of the cross beam 31. A connecting rod 6 is hinged at one end of the first handrail 32. As shown in fig. 10, one end of the connecting rod 6 is provided with a connecting portion protruding outward, the connecting portion is provided with a connecting hole, and is rotatably connected with the first handle 32, for example, a rotating shaft passing through the first handle 32 and the connecting rod 6 is provided in the connecting hole. The connecting rod 6 is a tubular structure, and the other end of the connecting rod is inserted into the end part of the second handrail 42 at the top end and fixedly connected together through a positioning pin. Through the structure, the man-passing platform 3 and the standard section 4 of the stair at the top end can be detachably connected together.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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

1. An assembled foundation pit pedestrian crossing is characterized by comprising a pedestrian passing platform and a plurality of stair standard knots which are sequentially connected;

the people passing platform comprises:

two cross beams which are arranged oppositely are arranged on the two sides of the frame,

a first handrail disposed above the cross member,

the two ends of the first vertical rod are respectively connected to the cross beam and the first handrail;

the standard section of the stair comprises:

two ladder posts which are arranged oppositely are arranged on the ladder post,

two ends of the pedal are respectively connected with the two ladder posts,

a second handrail disposed above the ladder post,

the two ends of the second vertical rod are respectively connected to the ladder post and the second handrail;

the adjacent stair standard knots are detachably connected, and the stair standard knots positioned at the top ends are rotatably connected with the people passing platform.

2. The assembled foundation pit man-riding track of claim 1,

the upper surface of the cross beam is provided with a first bolt opposite to the first upright rod;

the lower surface of the first handrail is provided with a first bolt opposite to the first upright rod;

the first vertical rod is tubular, and the end part of the first vertical rod is sleeved on the first plug pin.

3. The assembled foundation pit man-riding track of claim 2,

the end part of the first upright rod and the first bolt are provided with pin holes opposite to each other in hole position, and positioning pins are arranged in the pin holes.

4. The assembled foundation pit man-riding track of claim 1,

the upper surface of the ladder post is provided with a second bolt opposite to the second upright rod;

the lower surface of the second handrail is provided with a second bolt opposite to the second upright rod;

the second vertical rod is tubular, and the end part of the second vertical rod is sleeved on the second plug pin.

5. The assembled foundation pit man-riding track of claim 4,

the end part of the second upright rod and the second bolt are provided with pin holes opposite to each other, and positioning pins are arranged in the pin holes.

6. The assembled foundation pit man-riding track of claim 1,

a pedal support is arranged on the side surface of the ladder post;

the end part of the pedal is connected with the pedal support bolt.

7. The assembled foundation pit man-riding track of claim 1,

one end of the ladder post is provided with a connecting plate which extends outwards along the length direction;

and the other end of the ladder post and the connecting plate are provided with connecting holes.

8. The assembled foundation pit man-riding track of claim 1,

the second handrail is a tubular structure with a variable cross section, and one end of the second handrail can penetrate through the other end of the adjacent second handrail.

9. The assembled foundation pit man-riding track of claim 8,

the end part of the second handrail is provided with a pin hole.

10. The assembled foundation pit man-riding track of claim 1,

one end of the cross beam is hinged with a connector, and the connector is bolted with the ladder post positioned at the top end;

one end of the first handrail is hinged with a connecting rod, and the connecting rod penetrates through the end part of the second handrail positioned at the top end.