CN217812549U

CN217812549U - Groined type high-rise building blasting demolishs construction and uses interim bearing structure

Info

Publication number: CN217812549U
Application number: CN202220997936.6U
Authority: CN
Inventors: 宋松波; 路宇凡; 王玉国; 沈国强
Original assignee: Yiyang Branch Of Henan Modern Blasting Technology Co ltd
Current assignee: Yiyang Branch Of Henan Modern Blasting Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-15
Anticipated expiration: 2032-04-24

Abstract

The utility model belongs to the technical field of blasting construction appurtenance, especially, be a groined type high-rise building explodes demolishs construction and uses interim bearing structure, demolish construction to conventional blasting and use interim bearing structure to be not convenient for adjust, make the relatively poor problem of use flexibility, the scheme is as follows now put forward, it includes backup pad and carriage, the equal fixed mounting in both sides of carriage has the carriage, slidable mounting has the square plate in the carriage, the equal fixedly connected with bracing piece in top four corners of square plate, the top fixed connection of bracing piece is in the bottom of backup pad, and rotate on the bottom inner wall of carriage and be connected with the lead screw, two square plates are the outside that the screw thread cup jointed at the lead screw that corresponds respectively, and equal fixed mounting has driven bevel gear on two lead screws, one side that two carriages are close to each other rotates and is connected with same connecting axle. The utility model discloses be convenient for carry out altitude mixture control and fixed to bearing structure, and easy and simple to handle, do benefit to the use to satisfy different user demands.

Description

Groined type high-rise building blasting demolishs construction and uses interim bearing structure

Technical Field

The utility model relates to a blasting construction appurtenance technical field especially relates to a groined type high-rise building blasting demolishs construction and uses interim bearing structure.

Background

With the improvement of earthquake-resistant requirements of buildings, the earthquake-resistant performance of a structure is generally enhanced by using shear walls for buildings with more than 10 floors. The high-rise building mainly comprises a frame-shear structure, a frame-cylinder structure, a full shear wall structure, a steel structure and the like. Due to the existence of the shear wall and the core barrel, the firmness and the stability of the building structure are improved, and the difficulty of pre-dismantling, dumping, disintegration and crushing during dismantling of an old building is greatly increased. For a frame-tube structure building, the core tube is integrated, the integrity is good, the core tube is positioned in the middle of the building, the pre-demolition construction work amount is large, the difficulty is high, the construction period is long, and the dumping and disintegration difficulty is great when the pre-demolition blasting demolition is used. The structure totally supported by the reinforced concrete wall is called a full shear wall structure, and the blasting demolition is characterized by large drilling quantity and high blasting notch position. With the rapid development of cities, more and more high-rise buildings need to be dismantled due to extension and reconstruction, and opportunities are brought to demolition blasting. Meanwhile, as the surrounding environmental conditions for demolishing the urban buildings are more and more complicated and the collapse space is smaller and smaller, the demolition blasting difficulty is more and more high, and the demolition blasting also faces a certain challenge.

The conventional temporary supporting structure for blasting demolition construction is inconvenient to adjust, so that the use flexibility is poor, and therefore the temporary supporting structure for blasting demolition construction of the groined high-rise building is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the conventional blasting and demolising construction and be not convenient for adjust with interim bearing structure for use the relatively poor shortcoming of flexibility, and the groined type high-rise building blasting that provides demolishs construction and uses interim bearing structure.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a groined high-rise building blasting demolishs construction and uses interim bearing structure, includes backup pad and connection box, the equal fixed mounting in both sides of connection box has the carriage, slidable mounting has the square plate in the carriage, the equal fixedly connected with bracing piece in top four corners of square plate, the top fixed connection of bracing piece is in the bottom of backup pad, and rotate on the bottom inner wall of carriage and be connected with the lead screw, two square plates respectively the screw-thread cup joint in the outside of the lead screw that corresponds, and equal fixed mounting has driven bevel gear on two lead screws, one side that two carriages are close to each other is rotated and is connected with same connecting axle, the equal fixed mounting in both ends of connecting axle has drive bevel gear, two drive bevel gears mesh with corresponding driven bevel gear respectively, and fixed mounting has the gear wheel on the connecting axle, the top fixed mounting of connection box has the mounting bracket, rotates on the both sides inner wall of mounting bracket and is connected with same cross axle, fixed mounting has the pinion on the cross axle, pinion and gear mesh, the right-hand member fixedly connected with knob of cross axle.

Preferably, the top of the connecting frame is provided with a vertical hole, a connecting rod is slidably mounted in the vertical hole, a plurality of positioning grooves are formed in the outer side of the knob, and the connecting rod is movably clamped in the corresponding positioning grooves.

Preferably, the bottom fixedly connected with baffle of connecting rod, two coupling springs of top fixedly connected with of baffle, the equal fixed connection in top of two coupling springs is on the top inner wall of connecting frame.

Preferably, a guide frame is fixedly mounted on the right side of the mounting frame and is sleeved on the outer side of the connecting rod in a sliding manner.

Preferably, the equal fixed mounting in one side that two square plates kept away from each other has the limiting plate, the spacing groove has been seted up on one side inner wall of carriage, and spacing inslot fixed mounting has the gag lever post, and two limiting plates slide respectively to cup joint in the outside of the gag lever post that corresponds.

Preferably, the four corners of the top of the supporting frame are provided with guide holes, and the supporting rods are connected in the corresponding guide holes in a sliding manner.

In the utility model, the temporary supporting structure for blasting demolition construction of the # -shaped high-rise building is characterized in that the temporary supporting structure is driven to slide out of the positioning groove by pulling the connecting rod to move downwards, then the rotary knob drives the transverse shaft and the pinion to rotate, and drives the connecting shaft to rotate at a slow speed by meshing with the gearwheel, the connecting shaft drives the two driving bevel gears to rotate, and drives the two lead screws to synchronously rotate by meshing with the corresponding driven bevel gears, the two lead screws respectively drive the two square plates to synchronously move up and down by the thread transmission of the corresponding square plates, and the two supporting plates respectively drive the supporting plates to move up and down through the four supporting rods, so that the supporting plates can be adjusted in height;

in the utility model, the temporary supporting structure for blasting demolition construction of the # -shaped high-rise building drives the connecting rod to move downwards under the action of the connecting spring through the card feeding connecting rod, and the connecting baffle is clamped into the positioning groove to fix the knob, so that the stability of highly fixing the supporting plate is ensured;

the utility model has the advantages of reasonable design, be convenient for carry out altitude mixture control and fixed to interim bearing structure, and easy and simple to handle, do benefit to the use to satisfy different user demands, the reliability is high.

Drawings

Fig. 1 is a schematic perspective view of a temporary support structure for blasting demolition construction of a groined high-rise building according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic sectional structural view of a temporary supporting structure for blasting demolition construction of a groined high-rise building, which is provided by the utility model;

fig. 4 is a partially enlarged view of a portion B in fig. 3.

In the figure: 1. a support plate; 2. a connecting frame; 3. a support frame; 4. a square plate; 5. a support bar; 6. a screw rod; 7. a driven bevel gear; 8. a drive bevel gear; 9. a connecting shaft; 10. a knob; 11. a bull gear; 12. a pinion gear; 13. a mounting frame; 14. a horizontal axis; 15. a connecting rod; 16. positioning a groove; 17. a spring is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a temporary supporting structure for groined high-rise building blasting demolition construction comprises a supporting plate 1 and a connecting frame 2, supporting frames 3 are fixedly mounted on two sides of the connecting frame 2, square plates 4 are slidably mounted in the supporting frames 3, supporting rods 5 are fixedly connected to four corners of the tops of the square plates 4, the top ends of the supporting rods 5 are fixedly connected to the bottom of the supporting plate 1, screw rods 6 are rotatably connected to the inner walls of the bottoms of the supporting frames 3, the two square plates 4 are respectively in threaded sleeve joint with the outer sides of the corresponding screw rods 6, driven bevel gears 7 are fixedly mounted on the two screw rods 6, one sides of the two supporting frames 3 close to each other are rotatably connected with a same connecting shaft 9, driving bevel gears 8 are fixedly mounted at two ends of the connecting shaft 9, the two driving bevel gears 8 are respectively meshed with the corresponding driven bevel gears 7, large gears 11 are fixedly mounted on the connecting shaft 9, mounting frames 13 are fixedly mounted at the tops of the connecting frame 2, transverse shafts 14 are rotatably connected with a same transverse shaft 14, small gears 12 are fixedly mounted on the transverse shafts, the large gears 12 are meshed with the small gears 11, and a knob 10 is fixedly connected to the right end of the transverse shaft 14.

In this embodiment, vertical hole has been seted up at the top of connecting frame 2, and vertical downthehole slidable mounting has connecting rod 15, and a plurality of constant head tanks 16 have been seted up in the outside of knob 10, and connecting rod 15 activity joint is in the constant head tank 16 that corresponds.

In this embodiment, the bottom fixedly connected with baffle of connecting rod 15, two connecting spring 17 of top fixedly connected with of baffle, the equal fixed connection in top of two connecting spring 17 is on the top inner wall of linking frame 2.

In this embodiment, the right side of the mounting bracket 13 is fixedly provided with a guide frame, and the guide frame is slidably sleeved on the outer side of the connecting rod 15.

In this embodiment, the equal fixed mounting in one side that two square plates 4 kept away from each other has the limiting plate, has seted up the spacing groove on one side inner wall of carriage 3, and spacing inslot fixed mounting has the gag lever post, and two limiting plates slide respectively to cup joint in the outside of the gag lever post that corresponds.

In this embodiment, the guiding hole has all been seted up at the top four corners of

carriage

3, and 5 sliding connection of bracing piece are in the guiding hole that corresponds.

In this embodiment, when using, through pulling connecting rod 15 downstream, make its roll-off constant head tank 16, then rotatory knob 10 drives horizontal axle 14 and pinion 12 and rotates, and drive connecting axle 9 slow rotating through the meshing with gear wheel 11, connecting axle 9 drives two drive bevel gear 8 rotations, and drive two lead screws 6 through the meshing with corresponding driven bevel gear 7 and carry out synchronous revolution, two lead screws 6 drive two square boards 4 through the screw transmission with corresponding square board 4 respectively and carry out synchronous elevating movement, two backup pads 1 drive backup pad 1 through four bracing pieces 5 respectively jointly and carry out elevating movement, thereby backup pad 1 carries out the altitude mixture control, through card feeding connecting rod 15, connecting baffle drives connecting rod 15 downstream under the effect of coupling spring 17, block in the constant head tank 16, fix knob 10, thereby guarantee the stability to backup pad 1 height fixing.

Claims

1. A temporary supporting structure for blasting demolition construction of a groined high-rise building is characterized by comprising a supporting plate (1) and a connecting frame (2), wherein supporting frames (3) are fixedly installed on two sides of the connecting frame (2), square plates (4) are slidably installed in the supporting frames (3), supporting rods (5) are fixedly connected to four corners of the tops of the square plates (4), the top ends of the supporting rods (5) are fixedly connected to the bottom of the supporting plate (1), screw rods (6) are rotatably connected to the inner wall of the bottom of each supporting frame (3), the two square plates (4) are respectively in threaded sleeve joint with the outer sides of the corresponding screw rods (6), driven bevel gears (7) are fixedly installed on the two screw rods (6), one side, close to each other, of the two supporting frames (3) is rotatably connected with the same connecting shaft (9), driving bevel gears (8) are fixedly installed at two ends of the connecting shaft (9), the two driving bevel gears (8) are respectively meshed with corresponding driven bevel gears (7), a connecting shaft (11) is fixedly installed on the connecting shaft (9), a mounting frame (13) is fixedly installed at the top of the connecting frame (2), a mounting frame (13) is fixedly connected with a pinion (12) on two sides of a transverse shaft (14), and a pinion (12) is fixedly connected with a pinion (12), the right end of the transverse shaft (14) is fixedly connected with a knob (10).

2. The temporary supporting structure for the blasting demolition construction of the groined-shaped high-rise building is characterized in that a vertical hole is formed in the top of the connecting frame (2), a connecting rod (15) is slidably mounted in the vertical hole, a plurality of positioning grooves (16) are formed in the outer side of the knob (10), and the connecting rod (15) is movably clamped in the corresponding positioning grooves (16).

3. The temporary supporting structure for the demolition blasting construction of the # -shaped high-rise building according to claim 2, wherein the bottom end of the connecting rod (15) is fixedly connected with a baffle, the top of the baffle is fixedly connected with two connecting springs (17), and the top ends of the two connecting springs (17) are fixedly connected to the inner wall of the top of the connecting frame (2).

4. The temporary supporting structure for the blasting demolition construction of the groined high-rise building according to claim 1, wherein a guide frame is fixedly mounted on the right side of the mounting frame (13), and the guide frame is slidably sleeved on the outer side of the connecting rod (15).

5. The temporary supporting structure for the groined type high-rise building blasting demolition construction according to claim 1, wherein limiting plates are fixedly mounted on the sides, away from each other, of the two square plates (4), a limiting groove is formed in the inner wall of one side of the supporting frame (3), a limiting rod is fixedly mounted in the limiting groove, and the two limiting plates are respectively sleeved on the outer sides of the corresponding limiting rods in a sliding manner.

6. The temporary supporting structure for the blasting demolition construction of the groined type high-rise building according to claim 1, wherein four corners of the top of the supporting frame (3) are provided with guide holes, and the supporting rods (5) are slidably connected in the corresponding guide holes.