CN213897502U - Prestress steel structure steel pipe cable support node device - Google Patents

Abstract

The utility model discloses a prestressing force steel structure steel pipe cable stay node means, including the vaulting pole, the upper end fixedly connected with mount of vaulting pole, half pipe under the upper end fixedly connected with of mount, half pipe's top is equipped with half pipe, half pipe both sides all are equipped with the engaging lug, and wear to be equipped with connecting bolt on the engaging lug, the last second nut that is connected with of connecting bolt, half pipe inboard is equipped with the layer board down, the equal fixedly connected with gag lever post in layer board lower extreme both sides, the gag lever post run through half pipe and with half pipe sliding connection down, half pipe middle part is equipped with the operating device who connects at the layer board downside down, half pipe upper end both sides equal fixedly connected with cushion down, the vertical second screw rod of the equal fixedly connected with in layer board both ends. The utility model discloses can be according to the operation needs for the prestressed cable slides smoothly or presss from both sides tight fixed, and the operation is very convenient, improves operating efficiency.

Description

Prestress steel structure steel pipe cable support node device

Technical Field

The utility model relates to a construction technical field especially relates to prestressing force steel construction steel pipe cable support node means.

Background

As the main structural form of the prestressed steel structure, the string structure is characterized in that the tension of a prestressed cable is transmitted to a main structure through a stay bar so as to reduce the peak value of the internal force of the structure and improve the stress performance of the structure. The prestressed cable and the stay bar are connected through a cable stay node, so that the design of the cable stay node meets the following requirements: the friction force between the inner wall of the cable support node and the cable body is reduced as much as possible, so that the applied prestress can be better and uniformly transmitted in the cable body; during and after the tensioning construction, the cable body can be conveniently, quickly and effectively fixed and cannot slide, so that the loss of prestress is reduced.

The existing cable bracing node mechanism is only a plurality of movable clamping card plates which are arranged in a cable cavity body of a cable bracing node simply, and a plurality of bolts need to be screwed down in sequence during operation to realize fastening, and in frequent prestressed cable tensioning and fastening operations, the operation is not convenient and fast enough, time and labor are wasted, and the stability of the cable bracing node device is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a prestressed steel structure steel pipe cable support node device.

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

prestress steel structure steel pipe cable stay node means, including the vaulting pole, the upper end fixedly connected with mount of vaulting pole, half pipe under the upper end fixedly connected with of mount, the top of half pipe is equipped with half pipe down, half pipe both sides all are equipped with the engaging lug, and wear to be equipped with connecting bolt on the engaging lug, the last second nut that is connected with of connecting bolt, half intraductal side is equipped with the layer board down, the equal fixedly connected with gag lever post in layer board lower extreme both sides, the gag lever post run through half pipe down and with half pipe sliding connection down, half pipe middle part is equipped with the operating device who connects at the layer board downside down, half pipe upper end both sides equal fixedly connected with cushion down, the equal fixedly connected with vertical second screw rod in layer board both ends, be equipped with the hold-down mechanism who is connected with the second screw rod on the half pipe.

Preferably, operating device includes the vertical threaded sleeve who runs through the setting on half pipe down, threaded sleeve's upper end fixed connection is at the layer board downside, the inboard threaded connection of threaded sleeve lower extreme has first screw rod, the lower extreme of first screw rod is rotated and is connected on the mount, the fixed nut that has cup jointed on the first screw rod.

Preferably, hold-down mechanism includes the cardboard, the upper end fixedly connected with extension spring of cardboard, the upper end fixed connection of extension spring is on the interior roof of first half pipe, the equal fixedly connected with sleeve pipe in both sides of cardboard, the sleeve pipe run through first half pipe and with first half pipe sliding connection, two the sleeve pipe is equipped with respectively on two second screw rods, threaded connection has the first nut that is located the sleeve pipe top on the second screw rod.

Preferably, a limit ring positioned below the sleeve is fixedly sleeved on the second screw rod.

Preferably, the upper end surface of the supporting plate is embedded with a ball.

Preferably, the lower end face of the clamping plate and the upper end face of the cushion block are both provided with an anti-slip layer.

The utility model has the advantages that:

through setting up layer board, ball, when stretch-draw prestressed cable, the accessible layer board carries out the bearing to the prestressed cable, and the ball that sets up can effectively reduce the frictional resistance when stretch-draw prestressed cable for the applied prestressing force can be better transmit evenly in the cable body.

Through setting up cushion, cardboard, when needs lock the fastening to the prestressed cable, push down the prestressed cable through the cardboard to the cooperation cushion can be fixed with the effective clamp of prestressed cable, and it can not slide, thereby reduces the loss of prestressing force.

The utility model discloses can be according to the operation needs for the prestressed cable slides smoothly or presss from both sides tight fixed, and the operation is very convenient, improves operating efficiency.

Drawings

Fig. 1 is a schematic structural view of a prestressed steel structure steel pipe cable support node device provided by the utility model;

fig. 2 is the utility model provides a structural schematic of prestressing force steel construction steel pipe cable support node device's inside.

In the figure: the device comprises a support rod 1, a fixing frame 2, a nut 3, a first screw rod 4, a threaded sleeve 5, a lower half pipe 6, a supporting plate 7, a second screw rod 8, a limiting ring 9, a sleeve 10, a first screw cap 11, an upper half pipe 12, a tension spring 13, a clamping plate 14, a connecting lug 15, a second screw cap 16, a connecting bolt 17, a cushion block 18, a ball 19 and a limiting rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the prestressed steel structure steel pipe cable support node device comprises a stay bar 1, a fixed frame 2 is fixedly connected to the upper end of the stay bar 1, a lower half pipe 6 is fixedly connected to the upper end of the fixed frame 2, an upper half pipe 12 is arranged above the lower half pipe 6, two sides of the upper half pipe 12 and the lower half pipe 6 are respectively provided with a connecting lug 15, and connecting bolt 17 is worn to be equipped with on engaging lug 15, be connected with second nut 16 on the connecting bolt 17, the inboard of half pipe 6 is equipped with layer board 7 down, the equal fixedly connected with gag lever post 20 in layer board 7 lower extreme both sides, gag lever post 20 run through half pipe 6 down and with half pipe 6 sliding connection down, half pipe 6 middle part is equipped with the operating device who connects at the layer board 7 downside down, half pipe 6 upper end both sides are equal fixedly connected with cushion 18 down, the equal fixedly connected with vertical second screw rod 8 in layer board 7 both ends, be equipped with the hold-down mechanism who is connected with second screw rod 8 on half pipe 12.

The utility model discloses in, operating device includes that vertical running through sets up the threaded sleeve 5 on half pipe 6 down, threaded sleeve 5 and half pipe 6 sliding connection down, threaded sleeve 5's upper end fixed connection is at 7 downside of layer boards, the inboard threaded connection of threaded sleeve 5 lower extreme has first screw rod 4, first screw rod 4's lower extreme rotates to be connected on mount 2, fixed nut 3 that has cup jointed on first screw rod 4 sets up nut 3, the first screw rod 4 of the wrench tool drive of being convenient for use rotates, and then the operation of being convenient for.

Specifically, hold-down mechanism includes cardboard 14, the upper end fixedly connected with extension spring 13 of cardboard 14, the upper end fixed connection of extension spring 13 is on the interior roof of first half pipe 12, the equal fixedly connected with sleeve pipe 10 in both sides of cardboard 14, sleeve pipe 10 run through first half pipe 12 and with first half pipe 12 sliding connection, two sleeve pipes 10 overlap respectively and are equipped with on two second screw rods 8, threaded connection has the first nut 11 that is located sleeve pipe 10 top on the second screw rod 8, fixed cover is connected with spacing ring 9 that is located sleeve pipe 10 below on the second screw rod 8.

Specifically, the ball 19 is embedded on the upper end surface of the supporting plate 7, so that the sliding friction force of the prestressed cable can be effectively reduced, and the applied prestressed force can be better and uniformly transmitted in the cable body.

Furthermore, the lower end face of the clamping plate 14 and the upper end face of the cushion block 18 are both provided with an anti-slip layer, so that the pre-stressed cable is anti-slip and firm in fastening.

When the utility model is used, the upper half pipe 12 and the lower half pipe 6 can be quickly installed on the prestressed cable through the connecting bolt 17 and the second nut 16, the second screw 8 is inserted in the sleeve 10, the sleeve 10 and the second screw 8 can be fixed by screwing the first nut 11, when the prestressed cable is stretched, the prestressed cable can be supported through the supporting plate 7, and the arranged ball 19 can effectively reduce the friction resistance when the prestressed cable is stretched, so that the applied prestressed force can be better and uniformly transmitted in the cable body, when the prestressed cable needs to be locked and fastened, the rotating nut 3 drives the first screw 4 to rotate, because the first screw 4 is in threaded connection with the threaded sleeve 5, the threaded sleeve 5 can be moved downwards, the supporting plate 7 is driven to move downwards, the clamping plate 14 above is driven to move downwards, the prestressed cable is pressed downwards through the clamping plate 14, and the prestressed cable can be effectively clamped and fixed by matching with the cushion block 18, it cannot slide, thereby reducing the loss of prestress.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. The prestress steel structure steel pipe cable support node device comprises a support rod (1) and is characterized in that a fixing frame (2) is fixedly connected to the upper end of the support rod (1), a lower half pipe (6) is fixedly connected to the upper end of the fixing frame (2), an upper half pipe (12) is arranged above the lower half pipe (6), connecting lugs (15) are arranged on two sides of the upper half pipe (12) and the lower half pipe (6), connecting bolts (17) penetrate through the connecting lugs (15), second nuts (16) are connected to the connecting bolts (17), a support plate (7) is arranged on the inner side of the lower half pipe (6), limiting rods (20) are fixedly connected to two sides of the lower end of the support plate (7), the limiting rods (20) penetrate through the lower half pipe (6) and are in sliding connection with the lower half pipe (6), an operating mechanism connected to the lower side of the support plate (7) is arranged in the middle of the lower half pipe (6), the upper end of the lower half pipe (6) is fixedly connected with cushion blocks (18) on two sides, the two ends of the supporting plate (7) are fixedly connected with vertical second screw rods (8), and the upper half pipe (12) is provided with a pressing mechanism connected with the second screw rods (8).

2. The prestressed steel structure steel pipe cable support node device according to claim 1, wherein the operating mechanism comprises a threaded sleeve (5) vertically penetrating through the lower half pipe (6), the upper end of the threaded sleeve (5) is fixedly connected to the lower side of the supporting plate (7), a first screw (4) is in threaded connection with the inner side of the lower end of the threaded sleeve (5), the lower end of the first screw (4) is rotatably connected to the fixed frame (2), and a nut (3) is fixedly sleeved on the first screw (4).

3. The prestress steel structure steel pipe cable support node device according to claim 1, wherein the pressing mechanism comprises a clamping plate (14), an upper end of the clamping plate (14) is fixedly connected with a tension spring (13), an upper end of the tension spring (13) is fixedly connected to an inner top wall of an upper half pipe (12), two sides of the clamping plate (14) are both fixedly connected with sleeves (10), the sleeves (10) penetrate through the upper half pipe (12) and are in sliding connection with the upper half pipe (12), the two sleeves (10) are respectively sleeved with two second screw rods (8), and the second screw rods (8) are in threaded connection with first nuts (11) located above the sleeves (10).

4. The prestressed steel structure steel pipe cable support node device according to claim 3, wherein a limiting ring (9) located below the sleeve (10) is fixedly sleeved on the second screw (8).

5. The prestressed steel structure steel pipe cable support node device according to claim 1, wherein balls (19) are embedded in the upper end surface of the supporting plate (7).

6. The prestressed steel structure steel pipe cable support node device according to claim 3, wherein the lower end face of the clamping plate (14) and the upper end face of the cushion block (18) are provided with anti-slip layers.

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