CN216194076U - Vertical reservation device for mounting hole of rear suspender of hanging basket - Google Patents

Abstract

The utility model discloses a vertical reservation device for a hanging basket rear suspender installation hole, which comprises a middle sleeve and four groups of telescopic support legs uniformly arranged on the outer wall of the middle sleeve, wherein the telescopic support legs are hinged with the middle sleeve; the bottom of the telescopic supporting leg is provided with an arc limiting plate, the limiting plate is arc-shaped, and the arc surface faces the direction of the hollow sleeve; four hinged supports are arranged on the outer wall of the middle sleeve in a cross shape and are connected through pin shafts after being inserted into positioning recesses at the ends of the upper rods of the telescopic supporting legs; the cushion layer is hung on the upper end surface of the middle sleeve by utilizing the hanging ring; this practicality arranges interval adjustment length according to indulging horizontal reinforcing bar for the spacing groove can just fix on the reinforcing bar and guarantee that cavity telescopic is vertical, and utilize the limiting plate to support tight horizontal longitudinal reinforcement and provide the holding power for the cavity sleeve.

Description

Vertical reservation device for mounting hole of rear suspender of hanging basket

Technical Field

The utility model relates to the field of construction devices for hanging basket suspension casting beams, in particular to a vertical reservation device for a hanging basket rear suspender mounting hole.

Background

With the development of the bridge industry, new technologies and new processes are continuously developed and applied, and construction standardization and quality standardization become important points of all parties. The hanging basket method suspension casting is used as a main construction method for crossing a river and a road, can be suitable for special environments such as limited terrain, crossing a river, crossing current traffic and the like, and is popularized and applied in the aspects of railways, municipal roads and the like.

When a large-span continuous beam bridge is constructed, the hanging basket is used for cantilever pouring construction, and the construction process is a common construction process in bridge engineering. The hanging basket is erected on a No. 1 block which is finished in construction, after inelastic deformation is eliminated through prepressing, concrete pouring construction is finished on a hanging basket formwork system, the hanging basket moves forwards along a walking system under the action of a jack, and after the midspan folding construction is finished, the hanging basket is detached, and cantilever pouring construction is finished.

The back jib of hanging the basket often adopts finish rolling screw-thread steel to be connected with back bottom end rail as the jib, because of the case roof beam bottom plate is the curved surface more, is connected the straightness that hangs down that hardly guarantees the jib through the jib is direct with back bottom end rail. The finish rolling screw-thread steel can receive shear stress in the use, and the easy bending is destroyed, and carries out box girder steel bar welding construction near the jib, easily burns finish rolling screw-thread steel, has great potential safety hazard.

In engineering practice, the pre-buried PVC pipeline is generally adopted to form a preformed hole mounting hole, but the pipeline is inconvenient to fix, the problems of pipeline inclination and the like are easily caused in the concrete vibrating process, and the installation stress of the suspender is inclined, so that the use safety and the service life of the suspender are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the hanging basket rear suspender installation hole vertical reservation device is provided, and in the prior art, a pre-buried PVC pipe forms a reservation hole installation hole, so that the problem that the service life and the use safety of a suspender are affected due to the fact that a pipeline is inclined easily caused by inconvenience in fixation is solved.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a vertical reservation device for a hanging basket rear suspender installation hole comprises a middle sleeve and four groups of telescopic support legs uniformly arranged on the outer wall of the middle sleeve, wherein the telescopic support legs are hinged with the middle sleeve; the telescopic supporting leg comprises a lower rod and an upper rod which is inserted into the lower rod from the end head and moves in the lower rod, a plurality of groups of corresponding bolt holes are arranged on the side walls of the upper rod and the lower rod, and the length of the telescopic supporting leg is adjusted through the bolt holes and the bolts; an arc limiting plate is arranged at the bottom of the lower rod, and is arc-shaped, and the arc surface faces the direction of the hollow sleeve;

four hinged supports are arranged on the outer wall of the middle sleeve in a cross shape and are connected through pin shafts after being inserted into positioning recesses at the ends of the upper rods of the telescopic supporting legs;

still including setting up in the inside cylindric bed course of middle part sleeve, the bed course top is equipped with the link that extends to the outside, and the bed course utilizes the link to hang and locates the telescopic up end in middle part.

Particularly, the bolt hole is a threaded hole, and the bolt is an external thread rod.

Specifically, the cushion is divided into a left half and a right half from a central axis.

In particular, the steel bar binding device further comprises a binding belt for binding the limiting plate and the steel bar.

Compared with the prior art, the utility model has the following advantages and beneficial effects: according to the utility model, the bolt holes in the outer walls of the upper rod and the lower rod are matched with the threaded bolts to adjust the length of the telescopic supporting legs, so that the length is adjusted according to the arrangement distance of the longitudinal and transverse reinforcing steel bars, the limiting grooves can be exactly fixed on the reinforcing steel bars and the vertical direction of the hollow sleeve is ensured, and the limiting plates are utilized to tightly abut against the transverse and longitudinal reinforcing steel bars to provide supporting force for the hollow sleeve.

Drawings

Fig. 1 is a schematic structural view of a vertical reserving device for a hanging basket rear suspender installation hole.

The explanation of each reference number in the figure is: a middle sleeve-1; a hinged support-11; a telescopic leg-2; a lower bar-21; an upper rod-22; a pin hole-23; a positioning recess-24; a limiting plate-3; a cushion layer-4; a hanging ring-41; reinforcing steel bars-5; and 6, a binding belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions.

As shown in fig. 1, the vertical reservation device for the mounting hole of the rear suspender of the hanging basket comprises a middle sleeve 1 and four groups of telescopic legs 2 uniformly arranged on the outer wall of the middle sleeve 1, wherein the telescopic legs 2 are hinged with the middle sleeve 1; the telescopic supporting legs 2 comprise lower rods 21 and upper rods 22 which are inserted into the lower rods 21 from the end heads and move in the lower rods 21, a plurality of groups of corresponding bolt holes 23 are formed in the side walls of the upper rods 22 and the lower rods 21, and the length of the telescopic supporting legs 2 is adjusted through the bolt holes 23 and the bolts; the bottom of the lower rod 21 is provided with an arc-shaped limiting plate 3, and the arc surface faces the direction of the hollow sleeve 1;

four hinged supports 11 are arranged on the outer wall of the middle sleeve 1 in a cross shape, and the hinged supports 11 are inserted into positioning recesses 24 at the ends of the upper rods 22 of the telescopic supporting legs 2 and then connected through pin shafts; the telescopic supporting legs 2 and the barrel body of the middle sleeve 1 are connected through the hinged support 11, so that the telescopic supporting legs 2 can rotate around the hinged support 11 in the vertical direction;

still including setting up in the inside cylindric bed course 4 of middle part sleeve 1, the top of bed course 4 is equipped with the link 41 that extends to the outside, and bed course 4 utilizes link 41 to hang and establishes the up end of middle part sleeve 1.

In a preferred embodiment, the bolt hole 23 is a threaded hole, and the bolt is an externally threaded rod; the purpose of fixing the middle sleeve 1 can also be realized by adopting a conventional bolt under the normal condition; tapping is changed into a threaded hole in the bolt hole 23, the bolt is changed into a threaded hole, the outer threaded rods are matched with each other to better play a supporting role, and meanwhile, the bolt cannot jump off due to vibration in the subsequent concrete vibration process.

As a preferred embodiment, the cushion layer 4 is divided into a left half and a right half from a central axis; the main effect of bed course 4 is in filling the clearance between PVC pipe and the middle part sleeve 1 when installing pre-buried PVC pipe, can guarantee on the one hand that the PVC pipe is being under construction and the condition that the damage is evenly avoided taking place to warp to the atress of vibration in-process all directions, and on the other hand can ensure the vertical situation of PVC pipe, further avoids the PVC pipe crooked.

As a preferred embodiment, the steel bar binding device further comprises a binding belt 6 for binding the limiting plate 3 and the steel bar 5; under the general condition cavity sleeve 1 and device self weight can provide sufficient pressure and guarantee that limiting plate 3 position on the reinforcing bar owner muscle has not taken place to slide, avoids appearing sliding in order to strengthen fixed effect, utilizes ribbon 6 to carry out further reinforcement, the ribbon only need directly cut when the later stage is demolishd simultaneously can, demolish convenient operation is swift.

In the utility model, 4 telescopic supporting legs 2 are arranged, are all made of Q235b steel and are divided into an upper rod 22 and a lower rod 21, the upper rod 22 is 5mm in thickness, 28mm in width, 12mm in thickness and 32mm in width of a lower component, the upper rod 22 and the lower rod 21 are connected by inserting bolts into different bolt holes 23, a cavity is formed inside the lower rod 21, the thicknesses of two sides are 3mm, and a moving space of the upper rod 22 is reserved in the middle. The end part of the upper rod 22 is movably connected with the hinged support 11 on the outer wall of the middle sleeve 1, the upper rod 22 and the telescopic supporting legs 2 can rotate around the hinged support 11, and the included angle between the telescopic supporting legs 2 and the middle sleeve 1 is adjusted.

The middle sleeve 1 is made of a steel pipe, the upper opening and the lower opening are polished to be round and smooth without cutting edges, the inner diameter of the steel pipe is 63mm, the wall thickness is 4mm, and the length is not less than 180 mm. The limiting plate 3 is arranged at the bottom end of the lower rod 21, is made of Q235b steel, has the length of 60mm and the thickness of 6mm, has a fan-shaped or arc-shaped cross section and the inner radius of 20mm, and is coated with anticorrosive paint on the outer sides of all metal parts.

When the hanger is actually used, the middle sleeve 1 is placed at the position of the hanger rod embedded hole, the angle and the length of the telescopic supporting leg 2 are adjusted, the middle sleeve 1 is kept vertical and is tightly abutted against a main reinforcing steel bar, and the limiting plate 3 and the main reinforcing steel bar are fixed through the binding belt 6 to prevent deviation. Here can hang through the stay cord in order to guarantee middle part sleeve 1's vertical below middle part sleeve 1 and establish an annular counter weight, make on the one hand through the counter weight can support tightly between 2 terminal limiting plates 3 of telescopic leg and the reinforcing bar owner muscle and prevent sliding, on the other hand also can ensure through the counter weight that middle part sleeve 1's bottom all directions atress is balanced, prevents the skew. Then the installation is less than the PVC pipe of middle part sleeve 1 internal diameter, and the space accessible between PVC pipe and the middle part sleeve 1 sets up the even bed course of thickness and fills, utilizes half left portion and half right portion bed course 4 to fold for cylindricly and paste the PVC pipe outer wall when installing the PVC pipe promptly, then inserts the PVC pipe together with bed course 4 in the sleeve 1 of middle part, utilizes bed course 4 to make pre-buried PVC pipe stable. When concrete is poured to the tops of the transverse ribs and the longitudinal ribs, the concrete around the pipeline is vibrated to be compact, then the binding belts 6 are cut off, the left half part and the right half part of the cushion layer 4 are drawn out, the threaded bolts and the pin shaft dismounting device are pulled out, and the cleaning and maintenance are carried out so as to be used next time.

The terms "connected" and "fixed" in the description of the present invention may be fixed, formed, welded, or mechanically connected, and the specific meaning of the above terms in the present invention is understood.

In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc. are used in the orientation or positional relationship indicated only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element referred to must have a particular orientation and therefore should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the utility model has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (4)

1. A vertical reservation device for a hanging basket rear suspender installation hole comprises a middle sleeve (1) and four groups of telescopic support legs (2) uniformly arranged on the outer wall of the middle sleeve (1), wherein the telescopic support legs (2) are hinged with the middle sleeve (1); the telescopic outrigger (2) is characterized by comprising a lower rod (21) and an upper rod (22) which is inserted into the lower rod (21) from the end head and moves in the lower rod (21), wherein a plurality of groups of corresponding bolt holes (23) are arranged on the side walls of the upper rod (22) and the lower rod (21), and the length of the telescopic outrigger (2) is adjusted through the bolt holes (23) and the bolts; the bottom of the lower rod (21) is provided with an arc limiting plate (3), and the arc surface faces the direction of the hollow sleeve (1);

four hinged supports (11) are arranged on the outer wall of the middle sleeve (1) in a cross shape, and the hinged supports (11) are inserted into positioning recesses (24) at the ends of upper rods (22) of the telescopic supporting legs (2) and then connected through pin shafts;

still including setting up in the inside cylindric bed course (4) of middle part sleeve (1), bed course (4) top is equipped with link (41) that extend to the outside, and bed course (4) utilize link (41) to hang and locate the up end of middle part sleeve (1).

2. The device for vertically reserving mounting holes of a rear suspension rod of a hanging basket as claimed in claim 1, wherein the bolt holes (23) are threaded holes, and the bolt is an external threaded rod.

3. The device for vertically reserving a rear suspension rod mounting hole of a hanging basket as claimed in claim 1, wherein said cushion layer (4) is divided into a left half and a right half from a central axis.

4. The vertical reservation device for the mounting hole of the rear suspender of the hanging basket as claimed in claim 1, further comprising a tie (6) for binding the limiting plate (3) and the steel bar (5).

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