CN219910092U - Assembled tunnel portal sealing platform - Google Patents

Abstract

The utility model relates to a spliced hole sealing platform, in particular to the technical field of hole sealing, which comprises a plurality of steel beams arranged in parallel, wherein the steel beams are arranged on the surface of a hole, a connecting component is arranged on the steel beams, the connecting component comprises fixing pieces matched with each steel beam and connecting pieces used for connecting all the fixing pieces together, each fixing piece comprises an upper clamping plate, a lower clamping plate and fixing bolts, the upper clamping plates and the lower clamping plates are arranged in parallel, the upper clamping plates and the lower clamping plates are respectively positioned on two sides of the steel beams and are respectively abutted against the steel beams, and the upper clamping plates and the lower clamping plates are fixedly connected through the fixing bolts.

Description

Assembled tunnel portal sealing platform

Technical Field

The utility model relates to the technical field of opening sealing, in particular to an assembled opening sealing platform.

Background

Before the elevator in the building is installed, an elevator hole is required to be formed in the building and used for enabling the power supply ladder to move up and down in the building, the depth of the elevator hole is matched with the height of the building, the building provided with the elevator is generally five layers or more, the height is higher, the elevator hole is deeper, and a hard isolation protection is generally arranged at the elevator hole to prevent constructors from falling.

The common hard isolation protection construction steps are as follows: embedding a plurality of groups of screws which are arranged in pairs on the surface of a floor, wherein the screws are vertically arranged, the space between two adjacent screws is matched with the width of a steel beam, and the steel beam is I-steel; then the I-steel slides into the space between the screw rods arranged in pairs, so that the screw rods at two sides are respectively abutted with two sides of the I-steel; then, installing a pressing plate on the top of the I-steel, arranging a through hole for a screw rod to pass through on the pressing plate, abutting the pressing plate against the top of the I-steel, and screwing a nut into the screw rod to fix the pressing plate, so that the I-steel is fixed; in this way, a plurality of I-steel is arranged on the top surface of the opening side by side, and then a template can be placed on the surface of the I-steel for protection.

To above-mentioned related art, when carrying out the hard isolation protection construction, need bury the screw rod earlier and carry out spacingly to the I-steel, then rethread clamp plate and nut are fixed the I-steel, and the installation is comparatively loaded down with trivial details, and in order to be convenient for the installation of elevator, the later stage of construction needs to dismantle the hard isolation protection, need cut off the screw rod of burying in the floor surface when demolising, and consuming time and consuming effort also can increase construction cost, therefore installation and dismantlement process are all inconvenient.

Disclosure of Invention

In order to simplify the hard isolation protection installation and disassembly process of the elevator opening, the utility model provides an assembled opening sealing platform.

The utility model provides an assembled hole sealing platform which adopts the following technical scheme:

the utility model provides an pin-connected panel entrance to a cave seal platform, includes a plurality of parallel arrangement's girder steel, the girder steel sets up in the surface of entrance to a cave, be provided with coupling assembling on the girder steel, coupling assembling include with the mounting of every girder steel looks adaptation and be used for connecting all mounting together the connecting piece, the mounting includes grip block, lower grip block and fixing bolt, go up grip block and lower grip block parallel arrangement, go up grip block and lower grip block and be located the both sides of girder steel respectively and all with girder steel butt, go up grip block and lower grip block through fixing bolt fixed connection.

By adopting the technical scheme, a plurality of steel beams are connected together through the connecting component to form a whole, and the steel beams are placed on the surface of the hole, so that the steel beams can be installed, the installation process is simpler and more convenient, and as all the steel beams are connected with each other, the rotation of the steel beams is limited, rollover is not easy to occur, the whole weight is heavier, and sliding is not easy to occur, so that better protection and support can be performed; when the steel beam is disassembled, the steel beam is directly taken away, so that the disassembly process is simpler and more convenient, time and labor are saved, and the hard isolation protection is convenient and quick to install and disassemble.

Optionally, the connecting piece includes connecting plate, fixed section of thick bamboo, connecting rod and fixation nut, the connecting plate sets up on last grip block, the connecting hole has been seted up on the connecting plate, the fixed section of thick bamboo is coaxial to be set up in the edge of connecting hole, the internal diameter of fixed section of thick bamboo and the aperture looks adaptation of connecting hole, the fixed section of thick bamboo includes the arc piece that two symmetries set up, two be provided with the clearance between the arc piece one side that the arc piece kept away from each other all is equipped with the screw thread, the connecting rod slides and wears to locate in the connecting hole, the pole footpath of connecting rod and the aperture looks adaptation of connecting hole, fixation nut threaded connection is on the screw thread of arc piece, just fixation nut's silk mouth is less than the external diameter of screw thread.

By adopting the technical scheme, the inner diameter of the fixed cylinder is slightly larger than the aperture of the connecting hole, and the rod diameter of the connecting rod is the same as the inner diameter of the fixed cylinder, so that the connecting rod can smoothly slide into the connecting hole, and a gap exists between the arc-shaped piece and the connecting rod, so that the arc-shaped piece has a deformation space; during the installation, pass the connecting rod from connecting hole and fixed section of thick bamboo, then screw in fixation nut, the cooperation of fixation nut and thread can make the one end of arc piece support tightly on the surface of connecting rod gradually to with connecting plate fixed connection on the connecting rod, and then accomplish the connection of girder steel and connecting rod, make many girders can be connected together fast, therefore operation process is simple and convenient.

Optionally, the connecting rod is a steel bar, a steel rod or a steel pipe.

By adopting the technical scheme, the materials of the connecting rod are very common in construction sites, so that the material cost is low, and the cost is saved.

Optionally, the connecting piece includes the connecting plate that sets up on last grip block and wears to locate the screw rod in the connecting plate, screw rod and connecting plate threaded connection.

By adopting the technical scheme, all connecting plates can be fixedly connected to the screw rod, so that all fixing pieces are connected, namely, the connection of all steel beams is completed, and all steel beams are connected into a whole, so that the construction process is simple and convenient; the number of the steel beams can be selected according to the needs, then the distance between the steel beams can be adjusted only by rotating the connecting plates, the self-locking can be realized after adjustment, other fixing structures are not needed, and the adjustment is convenient.

Optionally, the connecting piece includes connecting plate, screw rod and lock nut, the connecting plate sets up on last grip block, the screw rod slides and wears to locate in the connecting plate, lock nut and screw rod threaded connection correspond each lock nut of mounting is two, and two lock nut is located the both sides of connecting plate respectively.

Through adopting above-mentioned technical scheme, with the connecting plate along the position of screw rod slip adjustable mounting, after the regulation is accomplished, only need screw the lock nut that the connecting plate both sides correspond, make two lock nuts respectively with the both sides butt of connecting plate can be fixed with the connecting plate to with girder steel fixed connection on the screw rod, easy and simple to handle, and lock nut and screw rod's cooperation makes girder steel's fixed more firm, helps promoting holistic stability.

Optionally, the steel beams are uniformly distributed on the top surface of the hole.

Through adopting above-mentioned technical scheme, can strengthen the protection and the supporting effect of girder steel, therefore follow-up template or the scaffold frame at the top installation of girder steel can be more firm, and the security is higher.

Optionally, the girder steel is kept away from the one side overlap joint of entrance to a cave and is had the template, be provided with the fixed subassembly that is used for the fixed template on the girder steel.

Through adopting above-mentioned technical scheme, the template of setting up can cover the entrance to a cave completely, therefore can strengthen the effect of protection, prevent that constructor from falling.

Optionally, the fixed subassembly includes extension board and butt bolt, the extension board sets up in the tip of steel beam, butt bolt threaded connection is on the extension board, the butt bolt is perpendicular with the template, just the tip and the template butt of butt bolt.

Through adopting above-mentioned technical scheme, place the template behind the girder steel top, screw the butt bolt, make the tip of butt bolt and the surface butt of template, can fix the template on the girder steel, reduce the template and take place to slide and pivoted possibility, make the template can cover the top at the elevator entrance to a cave better, help further reinforcing protective effect.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the plurality of steel beams are fixedly connected together through the connecting assembly to form a whole, then the whole is placed on the top surface of the elevator opening, the opening is covered, the installation of the closed platform can be completed, and when the elevator is disassembled, only the steel beams are required to be taken out, so that the construction and the dismantling process of the hard isolation protection are simple and convenient, time and labor are saved, the integrity of each component can be maintained after the disassembly, the repeated utilization is convenient, and the construction cost is reduced.

2. The connecting rod penetrates into the connecting hole, the fixing nut is screwed in, the arc-shaped piece is pressed and then abuts against the surface of the connecting rod, the connecting plate is fixedly connected with the connecting rod, the steel beams are fixedly connected with the connecting rod, and the steel beams are sequentially connected onto the connecting rod, so that the connecting process is simple and convenient to operate, time and labor are saved, and the connecting rod is convenient to detach.

Drawings

FIG. 1 is a schematic view showing the installation position of a closed platform according to embodiment 1 of the present utility model;

FIG. 2 is a schematic overall structure of embodiment 1 of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;

FIG. 4 is a cross-sectional view showing a connection assembly according to embodiment 1 of the present utility model;

FIG. 5 is a schematic overall structure of embodiment 2 of the present utility model;

FIG. 6 is a schematic view showing the structure of a connection assembly in embodiment 2 of the present utility model;

FIG. 7 is an enlarged schematic view of the structure at B in FIG. 5;

fig. 8 is a schematic structural view of a connection assembly in embodiment 3 of the present utility model.

Reference numerals: 1. a floor slab; 11. an opening; 2. a steel beam; 3. a connection assembly; 31. an upper clamping plate; 32. a lower clamping plate; 33. a fixing bolt; 34. a connecting plate; 35. an arc-shaped sheet; 36. a connecting rod; 37. a fixing nut; 38. a screw; 39. a lock nut; 4. a template; 5. a fixing assembly; 51. a support plate; 52. and abutting the bolt.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1

The embodiment of the utility model discloses an assembled tunnel portal sealing platform. Referring to fig. 1 and 2, the closed platform is applied to an elevator opening 11 in a floor, the floor comprises a plurality of floors 1, the opening 11 is formed in the floors 1, the opening 11 is used for accommodating an elevator, and the elevator needs to be temporarily closed before being installed. The closed platform comprises a plurality of steel beams 2 and a connection assembly 3 for fixedly connecting all the steel beams 2 together. During construction, a plurality of steel beams 2 are connected together through the connecting component 3 to form a whole, the rotation of a single steel beam 2 can be limited, rollover is avoided, then the connected steel beam 2 is placed on the surface of the hole 11, and the hole 11 can be closed, so that a protection effect is achieved. The girder steel 2 is the I-steel, and girder steel 2's length is greater than the width of entrance to a cave 11 for girder steel 2 can overlap joint at the top surface of entrance to a cave 11, and a plurality of girder steel 2 parallel interval settings, and evenly distributed, therefore protection and supporting effect are better. Because girder steel 2 is heavier, so the static friction that receives under the effect of dead weight is great, is difficult for taking place to slide, can effectively protect entrance to a cave 11.

Referring to fig. 3 and 4, the connection assembly 3 includes a fixing member fixedly connected to each steel beam 2 and a connection member for connecting all the fixing members together. The mounting includes grip block 31, lower grip block 32 and fixing bolt 33, goes up grip block 31 and lower grip block 32 parallel arrangement, and has offered the through-hole that the coaxial setting of seting up on grip block 31 and the lower grip block 32, and fixing bolt 33 wears to locate in the through-hole, and fixing bolt 33's tip threaded connection has the nut. During installation, the flange plate at the end part of the steel beam 2 is arranged between the upper clamping plate 31 and the lower clamping plate 32, and then nuts are screwed, so that the upper clamping plate 31 and the lower clamping plate 32 clamp the steel beam 2, and the fixing piece is fixedly connected to the steel beam 2. In order to enable the steel beam 2 and the fixing pieces to be connected more firmly, two groups of fixing pieces corresponding to the end portions of each steel beam 2 are arranged symmetrically, and the two groups of fixing pieces are respectively used for clamping flange plates at two ends of the steel beam 2.

The connecting piece comprises a connecting plate 34, a connecting rod 36, a fixed cylinder and a fixed nut 37, wherein the connecting plate 34 is welded on one side of the upper clamping plate 31 far away from the lower clamping plate 32, the connecting plate 34 is perpendicular to the upper clamping plate 31, a connecting hole for the connecting rod 36 to pass through is formed in the connecting plate 34, and the aperture of the connecting hole is the same as the rod diameter of the connecting rod 36. The connecting rod 36 is slidably disposed in the connecting hole along the length direction of the connecting rod 36, in this embodiment, the connecting rod 36 is a steel bar, and in other embodiments, the connecting rod 36 may be a steel rod or a steel tube, and the material is simple and easy to obtain. The fixed cylinder is fixedly connected to one side of the connecting plate 34, the fixed cylinder is positioned at the edge of the connecting hole and is coaxially arranged with the connecting hole, and the inner diameter of the fixed cylinder is slightly larger than the aperture of the connecting hole, so that a gap exists between the fixed cylinder and the connecting rod 36, and the fixed cylinder has a deformation space; the fixed cylinder comprises two arc-shaped sheets 35 which are symmetrically arranged, and a gap is arranged between the two arc-shaped sheets 35, so that one sides of the two arc-shaped sheets 35 away from the connecting plate 34 can be mutually close, and screw teeth are respectively arranged on one sides of the two arc-shaped sheets 35 away from each other. The fixing nut 37 is slidably arranged on the connecting rod 36 in a penetrating manner, the fixing nut 37 can be in threaded connection with the thread on the arc-shaped piece 35, and the thread opening of the fixing nut 37 is slightly smaller than the outer diameter of the thread on the arc-shaped piece 35, so that after the fixing nut 37 is screwed in, one ends, far away from the connecting plate 34, of the two arc-shaped pieces 35 can move towards the direction close to each other, and the connecting rod 36 between the two arc-shaped pieces 35 is clamped.

During installation, the connecting rods 36 penetrate into the connecting holes, then the fixing nuts 37 are screwed into the outer sides of the arc-shaped pieces 35, along with the cooperation of the fixing nuts 37 and the screw teeth, the end parts of the two arc-shaped pieces 35 are close to each other and gradually abut against the surfaces of the connecting rods 36, so that the sliding of the connecting rods 34 along the directions of the connecting rods 36 is limited, the connecting rods 34 and the connecting rods 36 are fixed together, and all the steel beams 2 can be connected to the connecting rods 36 to form a whole through repeating the process.

The cooperation of mounting and connecting piece can be together the end connection of individual girder steel 2, in order to strengthen the fixed effect to girder steel 2, and coupling assembling 3 is provided with two sets of, and distributes in girder steel 2's both ends, and girder steel 2's both ends are all fixed by coupling assembling 3, therefore stability is stronger.

The implementation principle of the embodiment 1 is as follows: the flange plate of the steel beam 2 is placed between the upper clamping plate 31 and the lower clamping plate 32, and then nuts at the ends of the fixing bolts 33 are turned to tightly abut against the lower clamping plate 32, thereby fixedly connecting the fixing member and the steel beam 2 together. Then the connecting rod 36 passes through the connecting hole on the connecting rod 34, fixing nuts 37 are penetrated at two ends of the connecting rod 36, the fixing nuts 37 are screwed into the outer side of the fixing cylinder, and the two arc-shaped sheets 35 can be extruded, so that the arc-shaped sheets 35 are abutted against the outer side of the connecting rod 36, and the connecting rod 34 is fixedly connected to the connecting rod 36, so that the fixing of the steel beam 2 and the connecting rod 36 is completed; and then the steel beams 2 are sequentially connected to the connecting rods 36, and after connection is completed, the steel beams 2 are directly erected on the surface of the hole 11, so that the installation of the hard isolation protection can be completed.

Example 2

Referring to fig. 5 and 6, the difference between the present embodiment and embodiment 1 is that the connecting piece in the present embodiment includes a connecting plate 34 welded on the upper clamping plate 31 and a screw 38 penetrating through the connecting plate 34, the connecting plate 34 is perpendicular to the upper clamping plate 31, the connecting plate 34 is located at one side of the upper clamping plate 31 far from the lower clamping plate 32, the connecting plate 34 is provided with a threaded hole, and the screw 38 is in threaded connection with the connecting plate 34. During installation, the connecting plates 34 are rotated to adjust the distance between the upper clamping plates 31, and after the adjustment is completed, the flange plates at the end parts of the steel beams 2 are fixedly connected between the upper clamping plates 31 and the lower clamping plates 32, so that the connection between the steel beams 2 can be completed.

In order to further enhance the protection effect, the steel beam 2 can be lapped with the template 4 at one side far away from the hole 11, and the area of the template 4 is larger than the area of the hole 11, so that the hole 11 can be completely covered, and the possibility of falling of constructors is reduced. In order to make the form 4 better protected, the steel beam 2 is provided with a fixing assembly 5 for fixing the form 4.

Referring to fig. 7, the fixing assembly 5 includes a stay 51 and an abutment bolt 52. The support plate 51 is an L-shaped plate, the support plate 51 is welded at the end part of the steel beam 2, a threaded hole is formed in the support plate 51, the abutting bolt 52 is in threaded connection with the support plate 51, the length direction of the abutting bolt 52 is perpendicular to the plate surface of the template 4, and the end part of the abutting bolt 52 abuts against the top surface of the template 4. Each abutment bolt 52 abuts against the end of the formwork 4, so that the formwork 4 can be fixed, and the formwork 4 is not easy to slide and rotate, so that the opening 11 is better protected, and the safety is improved.

The implementation principle of the embodiment 2 is as follows: during installation, the connecting plates 34 are rotated firstly, the distance between the connecting plates 34 is adjusted, after the adjustment is finished, flange plates on two sides of the end parts of the steel beams 2 are arranged between the corresponding upper clamping plates 31 and the lower clamping plates 32, and nuts on the fixing bolts 33 are screwed tightly to enable the nuts to be abutted against the lower clamping plates 32, so that the connection between the steel beams 2 is finished; and then placing the whole body after connection on the top surface of the elevator opening 11, then placing the template 4 on the top of the steel beam 2, screwing the abutting bolt 52, and fixing the template 4, thereby covering the opening 11 and protecting. When later stage needs the installation elevator, unscrew butt bolt 52, with template 4 and girder steel 2 direct take off can, dismantle convenient, construction labour saving and time saving more.

Example 3

Referring to fig. 8, the present embodiment is different from embodiment 1 in that the connecting member in the present embodiment includes a connecting plate 34, a screw 38 and a lock nut 39, the connecting plate 34 is welded to a side of the upper clamping plate 31 remote from the lower clamping plate 32, and the connecting plate 34 is perpendicular to the upper clamping plate 31; the connecting plate 34 is provided with a through hole, and the screw rod 38 is arranged in the through hole in a sliding way along the length direction of the screw rod; the lock nuts 39 are in threaded connection with the screw rods 38, and two lock nuts 39 corresponding to each fixing piece are arranged, and the two lock nuts 39 are respectively arranged on two sides of the connecting plate 34.

The implementation principle of the embodiment 3 is as follows: the connecting plate 34 is slid to a required position, then a flange plate at the end part of the steel beam 2 is placed between the upper clamping plate 31 and the lower clamping plate 32, and then the fixing piece and the steel beam 2 are fixedly connected through the fixing bolt 33; then, the locking nuts 39 on the two sides are rotated towards the directions close to each other, so that the two locking nuts 39 respectively abut against the corresponding connecting plates 34, the steel beam 2 and the screw 38 are fixedly connected, the process is repeated, the steel beam 2 is sequentially and fixedly connected to the screw 38, and after connection is completed, the steel beam 2 is placed on the top surface of the hole 11.

The above is a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a pin-connected panel entrance to a cave seal platform, includes a plurality of parallel arrangement's girder steel (2), girder steel (2) set up in the surface of entrance to a cave (11), its characterized in that: the steel beam (2) is provided with a connecting component (3), the connecting component (3) comprises fixing pieces matched with each steel beam (2) and connecting pieces used for connecting all the fixing pieces together, each fixing piece comprises an upper clamping plate (31), a lower clamping plate (32) and fixing bolts (33), the upper clamping plates (31) and the lower clamping plates (32) are arranged in parallel, the upper clamping plates (31) and the lower clamping plates (32) are respectively located on two sides of the steel beam (2) and are all in butt connection with the steel beam (2), and the upper clamping plates (31) and the lower clamping plates (32) are fixedly connected through the fixing bolts (33).

2. The assembled tunnel portal sealing platform according to claim 1, wherein: the connecting piece comprises a connecting plate (34), a fixed cylinder, a connecting rod (36) and a fixing nut (37), wherein the connecting plate (34) is arranged on an upper clamping plate (31), a connecting hole is formed in the connecting plate (34), the fixed cylinder is coaxially arranged at the edge of the connecting hole, the inner diameter of the fixed cylinder and the aperture of the connecting hole are matched, the fixed cylinder comprises two symmetrically arranged arc-shaped sheets (35), gaps are formed between the arc-shaped sheets (35), screw teeth are arranged on one sides, far away from each other, of the arc-shaped sheets (35), the connecting rod (36) is slidably arranged in the connecting hole in a penetrating mode, the rod diameter of the connecting rod (36) is matched with the aperture of the connecting hole, and the fixing nut (37) is connected to the screw teeth of the arc-shaped sheets (35) in a threaded mode, and the screw mouth of the fixing nut (37) is smaller than the outer diameter of the screw teeth.

3. The assembled tunnel portal sealing platform according to claim 2, wherein: the connecting rod (36) is a steel bar, a steel rod or a steel pipe.

4. The assembled tunnel portal sealing platform according to claim 1, wherein: the connecting piece comprises a connecting plate (34) arranged on the upper clamping plate (31) and a screw rod (38) penetrating through the connecting plate (34), and the screw rod (38) is in threaded connection with the connecting plate (34).

5. The assembled tunnel portal sealing platform according to claim 1, wherein: the connecting piece comprises a connecting plate (34), a screw rod (38) and locking nuts (39), wherein the connecting plate (34) is arranged on the upper clamping plate (31), the screw rod (38) is arranged in the connecting plate (34) in a sliding penetrating mode, the locking nuts (39) are in threaded connection with the screw rod (38), two locking nuts (39) corresponding to each fixing piece are arranged, and the two locking nuts (39) are respectively arranged on two sides of the connecting plate (34).

6. The assembled tunnel portal sealing platform according to claim 1, wherein: the steel beams (2) are uniformly distributed on the top surface of the hole (11).

7. The assembled tunnel portal sealing platform according to claim 1, wherein: one side of girder steel (2) keeping away from entrance to a cave (11) overlap joint has template (4), be provided with on girder steel (2) and be used for fixed subassembly (5) of template (4).

8. The modular portal sealing platform of claim 7, wherein: the fixing assembly (5) comprises a support plate (51) and an abutting bolt (52), the support plate (51) is arranged at the end part of the steel beam (2), the abutting bolt (52) is connected to the support plate (51) in a threaded mode, the abutting bolt (52) is perpendicular to the template (4), and the end part of the abutting bolt (52) is abutted to the template (4).