CN207211675U - Socket joint type disk button jacking screw structure - Google Patents

Abstract

The utility model discloses a socket type disc buckle jacking screw structure. The socket type disc buckle jacking screw structure includes a first screw and a screw that is sequentially arranged on the first screw from bottom to top. The first connecting nut on the bar, the rotatable connecting plate and the first jacking bracket, the first jacking bracket is fixedly arranged on the top of the first lead screw, the first connecting nut, the rotatable connecting plate are respectively connected with The first lead screw is threadedly connected. By adding a rotatable connection plate to the first lead screw, the rotatable connection plate can stay at any height of the first lead screw and connect with the cross bar through a bolt, so it is not limited by the height of the vertical section of the beam, and breaks through the vertical section below. The limitation of the fixed standard section of the bar, so that the horizontal bar and the vertical bar form a unified and reliable connection, and improve the overall stability of the structure. Especially in the construction of the formwork support, it can be flexibly used for the construction of the formwork support under the beam and at the intersection of the beam and the slab. It is convenient for the layout and installation of the formwork support system during engineering construction.

Description

Socket type disc buckle jacking screw structure

technical field

The utility model relates to the technical field of formwork and scaffolding construction, in particular to a socket-type buckle-type jacking screw structure.

Background technique

At present, when the structural socket-type buckle-type steel pipe supports are used under the main and secondary beams and slabs of the structure, due to the influence of the vertical section height of the beams, the height of the free end of the bent frame jacking cannot meet the requirements of the existing building construction socket-type buckle. According to the Safety Technical Regulations (JGJ231-2010) of type steel pipe support, under the premise of ensuring that the stagger rate of the connection end face is not less than 50%, it is impossible to form a unified whole by using the traditional high-bracket frame. During construction, it is necessary to extend the top vertical pole by adding ordinary steel pipe casings, and then use fasteners to connect horizontal ordinary steel pipes to form the top horizontal bar. However, due to different pipe materials and different connectors, the overall stability of the structure will be reduced.

Therefore, it is necessary to design a socket-type buckle-type jacking screw structure, which can set the buckle-type rod according to the height of the bracket under the beam and the limit value of the free end, forming a large bearing capacity, accurate force transmission, and overall stability. High support system.

Utility model content

The purpose of this utility model is to provide a socket-type buckle-type jacking screw structure, by adding a rotatable connecting plate with a variable height and position on the first screw for connecting with the crossbar bolt, which can be free from beams. Due to the influence of section height changes and the limitation of the fixed standard section of the vertical pole, it can be flexibly used in the construction of the formwork support under the beam and at the intersection of the beam and the slab, so as to realize the unified and reliable connection of the horizontal pole and the vertical pole, and improve the overall stability of the structure.

In order to solve the above technical problems, the utility model provides the following technical solutions:

A socket-type disc buckle jacking screw structure, comprising a first screw, a first connecting nut, a rotatable connecting plate and a first jacking screw arranged sequentially on the first screw from bottom to top, the The first jacking bracket is fixedly arranged on the top of the first lead screw, and the first connection nut and the rotatable connection plate are threadedly connected with the first lead screw respectively.

Preferably, in the above-mentioned structure of the socket-type disc buckle jacking screw, the middle part of the rotatable connection plate is opened with an internal thread hole matching the first screw.

Preferably, in the above-mentioned structure of socket-type disc buckle jack-up screw, the middle part of one axial side of the rotatable connecting disc is thickened.

Preferably, in the above-mentioned structure of the socket-type disc buckle jacking screw, the thickness of the thickened part of the rotatable connecting disc is 1-2 times the thickness of the rest.

Preferably, in the above-mentioned socket type disc buckle jacking screw structure, several pin holes are opened on the rotatable connecting disc around the center of the circle of the rotatable connecting disc.

Preferably, in the above-mentioned structure of socket-type disc buckle jacking screw, eight pin holes are opened on the rotatable connecting disc around the center of the circle of the rotatable connecting disc.

Preferably, in the above-mentioned socket-type disc button jacking screw structure, the eight pin holes include four large pin holes and four small pin holes, and the four large pin holes are evenly distributed on the rotatable connecting plate On the top, four small pin holes are evenly distributed on the rotatable connecting plate, and the large and small pin holes are arranged alternately.

Preferably, in the above-mentioned socket-type disc buckle-type jacking screw structure, the vertical section of the first jacking is in a "U" shape.

It can be seen from the technical solutions disclosed above that, compared with the prior art, the beneficial effects of the utility model are as follows:

The utility model provides a socket-type buckle-type jacking screw structure. By adding a rotatable connection plate to the first lead screw, the rotatable connection plate can stay at any height position of the first lead screw and the cross bar passes through the latch. Connection, so it is not limited by the height of the vertical section of the beam, and breaks through the limitation of the fixed standard section of the lower vertical rod, so that the horizontal rod and the vertical rod form a unified and reliable connection, and improve the overall stability of the structure, especially during the construction of the formwork support , can be flexibly used in the construction of formwork support under beams and at the intersection of beams and slabs, which is convenient for the layout and installation of formwork support systems during engineering construction.

Description of drawings

Fig. 1 is a structural schematic diagram of a socket-type disc buckle jacking screw structure according to an embodiment of the present invention;

Fig. 2 is a diagram of the use state of the socket-type disc buckle jacking screw structure in an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a height-adjustable bracket in an embodiment of the present invention;

Fig. 4 is a schematic top view of the rotatable connection plate in an embodiment of the present invention;

Fig. 5 is a schematic side view of the rotatable connection plate in an embodiment of the present invention;

Fig. 6 is a schematic top view of a connecting nut in an embodiment of the present invention;

Fig. 7 is a schematic side view of a connecting nut in an embodiment of the present invention.

In the figure: 1-rotatable connecting plate, 2-vertical rod, 21-rod body, 22-connecting sleeve, 3-crossbar, 4-connecting piece, 5-the first lead screw, 6-the first connecting nut, 7 - the first jacking, 8-floor, 9-beam, 10-fixed connection plate, 11-bolt, 5'-second lead screw, 6'-second connecting nut, 7'-second jacking.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail. According to the following description and claims, the advantages and features of the utility model will be more clear. The technical contents and features of the present utility model will be described in detail below by referring to the enumerated embodiments in conjunction with the accompanying drawings. It should be further noted that all the drawings are in very simplified form and use inaccurate scales, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present utility model. For the convenience of description, the "up" and "down" described below are consistent with the directions of up and down in the drawings, but this cannot be a limitation of the technical solution of the present utility model.

Please refer to Fig. 1 to Fig. 7, this embodiment discloses a socket-type disc buckle jacking screw structure, including a first screw 5 and a second screw arranged on the first screw 5 sequentially from bottom to top. A connecting nut 6, a rotatable connecting disc 1 and a first jacking bracket 7, the first jacking bracket 7 is fixedly arranged on the top of the first lead screw 5, the first connecting nut 6, the rotatable connecting disc 1 are threadedly connected with the first lead screw 5 respectively. By adding the rotatable connection plate 1 on the first lead screw 5, the rotatable connection plate 1 can stay at any height position of the first lead screw 5, and the rotatable connection plate 1 can be connected with the cross bar 3 through the bolt 11, so its It can not be limited by the height of the vertical section of the beam 9, and breaks through the limitation of the fixed standard section of the lower vertical rod 2, so that the horizontal rod 3 and the vertical rod 2 form a unified and reliable connection, and improve the overall stability of the structure, especially during the construction of the formwork support Among them, it can be flexibly used in the construction of the formwork support at the intersection of the beam 9 and the beam 9 plate, which is convenient for the layout and installation of the formwork support system during engineering construction.

Preferably, in the above-mentioned structure of the socket-type disc buckle jacking screw, the middle part of the rotatable connection plate 1 is provided with an internal thread hole matching the first screw 5, so that it can be rotatable The connecting plate 1 can move along the first lead screw 5 and can stay at any height position of the first lead screw 5 .

In order to make the rotatable connection plate 1 and the first lead screw 5 have a reliable bite force and bearing capacity, preferably, in the above-mentioned socket-type ring buckle jacking screw structure, the rotatable connection plate 1 The middle part of the axial side is thickened. Specifically, preferably, in the socket-type ring-type jacking screw structure of this embodiment, the thickness of the thickened portion of the rotatable connection plate 1 is 1-2 times the thickness of the rest.

Preferably, in the above-mentioned socket-type disc buckle jacking screw structure, the vertical section of the first jacking bracket 7 is "U"-shaped, so as to prevent the first jacking bracket 7 from being used to support the floor 8. Cross bar 3 of bottom template.

Please refer to Fig. 4 and Fig. 5 in particular. Preferably, in the above-mentioned socket-type disc button jacking screw structure, the rotatable connecting disc 1 is provided with several pin holes around the center of the rotatable connecting disc 1 . In order to facilitate the connection between the crossbar 3 and the rotatable connecting disc 1 through the bolt 11, in the socket-type buckle-type jacking screw structure of this embodiment, the rotatable connecting disc 1 surrounds the center of the circle of the rotatable connecting disc 1 Open eight pin holes, including four large pin holes and four small pin holes, the four large pin holes are evenly distributed on the rotatable connecting plate 1, and the four small pin holes are evenly distributed on the rotatable connecting plate 1, and the large and small pin holes are arranged alternately.

Please refer to Fig. 6 and Fig. 7 in particular. Preferably, in the above-mentioned structure of the socket-type disc buckle jacking screw, two ends of the connecting nut are provided with handles for easy handling.

Please continue to refer to Fig. 1 to Fig. 7, the method of using the socket type disc buckle jacking screw structure of this embodiment includes the following steps:

Step 1: Set up a socket-type buckle-type steel pipe support. The socket-type buckle-type steel pipe support is formed by vertically erecting a vertical bar 2 and a horizontal bar 3 along the vertical, horizontal, and vertical directions. The horizontal bar 3 is vertically erected along the horizontal Horizontally or horizontally and vertically, the end of the cross bar 3 is provided with a connecting piece 4, and the side of the connecting piece 4 away from the cross bar 3 is provided with a groove, and the groove wall of the connecting piece 4 is correspondingly provided with a pin hole. . Preferably, the pole 2 includes several standard sections of the pole 2, each of the standard sections of the pole 2 includes a shaft 21 and a connecting sleeve 22 fixedly arranged on the top of the shaft 21, the outer diameter of the shaft 21 is the same as that of the coupling sleeve 22 The inner diameters of the vertical rods are matched, and the upper and lower adjacent poles are connected by bolts.

Step 2: Set a socket-type buckle-type jacking screw structure on the vertical poles 2 on both sides of the beam 9, and set height-adjustable brackets on the remaining vertical poles 2, and the first connecting nut 6 is arranged on the vertical poles 2, the lower end of the first lead screw 5 extends into the interior of the corresponding vertical rod 2 through the first connecting nut 6, and the height-adjustable bracket includes the second lead screw 5' and is arranged sequentially from bottom to top. The second connecting nut 6' and the second jacking bracket 7' on the second lead screw 5', the second jacking bracket 7' is fixedly arranged on the top of the second screw screw 5', the The second connection nut 6' is threadedly connected with the second lead screw 5', the second connection nut 6' is arranged on the top surface of the vertical rod 2, and the lower end of the second lead screw 5' passes through the second The connecting nut 6' extends into the corresponding vertical rod 2 inside. The structure of the first jacking bracket 7 is the same as that of the second jacking bracket 7', and the structure of the first connecting nut 6 is the same as that of the second connecting nut 6'.

Step 3, set in the first jacking 7 and in the second jacking 7' respectively set the crossbar 3 for supporting the bottom mold of the beam 9 or the bottom mold of the floor 8, and the two ends of the crossbar 3 under the beam 9 are respectively It is correspondingly connected with the rotatable connection plate 1 on the structure of the socket type disc buckle jacking screw on both sides through the latch 11 .

Preferably, in the use method of the above-mentioned socket-type disc buckle jacking screw structure, several fixed connecting plates 10 are fixedly arranged on the vertical rod 2 along the longitudinal interval of the vertical rod 2, and 10 sets of fixed connecting plates Located on the outer periphery of the vertical rod 2, eight pin holes are provided around the center of the fixed connecting plate 10 on the fixed connecting plate 10. The eight pin holes include four large pin holes and four small pin holes, and the four large pin holes Evenly distributed on the rotatable connecting plate 1, four small pin holes are evenly distributed on the fixed connecting plate 10, and the large and small pin holes are arranged alternately.

When the distance between the bottom of the beam 9 and the bottom of the floor 8 is large, a rotatable connection plate 1 for connecting the cross bar 3 can be provided on the bar section above the bottom of the beam 9 on the first screw 5, so as to Improve the overall strength and provide reliable support for the formwork of the beam 9 and the floor 8.

To sum up, the socket-type buckle-type jacking screw structure provided by the utility model, by adding a rotatable connection plate 1 on the screw, the rotatable connection plate 1 can stay at any height position and horizontal position of the screw. The rod 3 is connected by the bolt 11, so it is not limited by the height of the vertical section of the beam 9, and breaks through the limitation of the fixed standard joint of the vertical rod 2 below, so that the horizontal rod 3 and the vertical rod 2 form a unified and reliable connection, and improve the overall stability of the structure Especially in the formwork support construction process, it can be flexibly used in the formwork support construction at the intersection of the beam 9 and the beam 9 plate, which is convenient for the layout and installation of the formwork support system during engineering construction.

The above description is only a description of the preferred embodiments of the present utility model, and is not any limitation to the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the utility model according to the above disclosures all belong to the protection scope of the claims .

Claims (8)

1. A socket type disc buckle jacking lead screw structure, characterized in that it includes a first lead screw and a first connecting nut, a rotatable connecting plate and a first connecting nut arranged on the first lead screw from bottom to top in sequence A first jacking bracket, the first jacking bracket is fixedly arranged on the top of the first lead screw, and the first connecting nut and the rotatable connecting plate are threadedly connected with the first lead screw respectively. 2 . The socket-type disc buckle jacking lead screw structure according to claim 1 , wherein an internal threaded hole matching the first lead screw is opened in the middle of the rotatable connection plate. 3 . 3 . The socket-type disc buckle jacking screw structure according to claim 1 , wherein the middle part of the axial side of the rotatable connecting disc is thickened. 4 . 4 . The socket-type disc buckle jacking screw structure according to claim 1 , wherein the thickness of the thickened part of the rotatable connecting disc is 1-2 times the thickness of the rest. 5 . The socket-type disc buckle jacking screw structure according to claim 1 , wherein a plurality of pin holes are opened on the rotatable connecting disc around the center of the circle of the rotatable connecting disc. 6 . 6 . The socket-type disc buckle jacking lead screw structure according to claim 5 , wherein eight pin holes are opened on the rotatable connecting disc around the center of the circle of the rotatable connecting disc. 6 . 7. The socket type disc buckle jacking lead screw structure according to claim 6, wherein the eight pin holes include four large pin holes and four small pin holes, and the four large pin holes are evenly spaced. Distributed on the rotatable connecting plate, the four small pin holes are evenly distributed on the rotatable connecting plate, and the large and small pin holes are arranged alternately. 8 . The socket-type disc buckle jacking screw structure according to claim 1 , wherein the vertical section of the first jacking bracket is in a “U” shape.