Jacking device for roof construction

Abstract

The utility model discloses a jacking device for roof construction, and relates to the technical field of building instruments. The device comprises a supporting rod, a rotating shaft sleeve and a threaded rod, the supporting rod is of a hollow tubular structure, a pin rod is inserted into the side wall of the supporting rod, and one end of the pin rod extends into the supporting rod; the rotating shaft sleeve is rotationally connected with the supporting rod, the outer wall of the rotating shaft sleeve is provided with a flange, and the inner wall of the rotating shaft sleeve is provided with internal threads; the threaded rod is matched with an internal thread of the rotating shaft sleeve, and a limiting groove channel in clearance fit with the pin rod is axially formed in the threaded rod and used for limiting rotation of the threaded rod in the circumferential direction; and the upper end of the threaded rod is connected with a placement seat, and the axial position of the threaded rod is adjusted by rotating the rotating shaft sleeve, so that the placement seat is tightly attached to the main keel, and jacking supporting is achieved. The axial position of the threaded rod is adjusted by rotating the rotating shaft sleeve, so that the placing seat is tightly attached to the main keel, and the problem of poor use and adjustment convenience of an existing whole is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building instrument technical field, especially, relate to a top support device for roof construction. BACKGROUND

[0002] In the process of large-scale stadium roof construction, it is usually necessary to set up a support frame to support the roof structure. For the main roof ridge, a top support is generally needed to support it.

[0003] For example, Chinese utility model CN222162138U relates to a top support device for a sloping roof, which can adjust the length between the first support column and the second support column by screwing them together to meet the height requirement. The adjusting placement part is hinged to the top of the second support column, and the inclination of the placement seat is adjusted by rotating the adjusting placement part, so that the main ridge placed thereon meets the inclination requirement.

[0004] However, the existing top support device has poor overall use and adjustment convenience because when the length is adjusted, the second support column cannot be rotated further when the U-shaped placement seat is close to the main ridge, making it difficult for the main ridge to be completely inserted into the U-shaped placement seat. When the first support column is rotated, it is more difficult to rotate because it is supported on the ground. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a top support device for roof construction, which can adjust the axial position of the threaded rod by rotating the rotating shaft sleeve, so that the placement seat closely contacts the main ridge, thereby solving the problem of poor overall use and adjustment convenience.

[0006] To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0007] The utility model relates to a top support device for roof construction, which comprises a support rod, a rotating shaft sleeve and a threaded rod. The support rod is a hollow tubular structure, and a pin rod is inserted through the side wall of the support rod, with one end of the pin rod extending into the support rod. The rotating shaft sleeve is rotationally connected to the inner wall of the support rod, and the outer wall of the rotating shaft sleeve is provided with a flange, and the inner wall of the rotating shaft sleeve is provided with internal threads. The threaded rod cooperates with the internal threads of the rotating shaft sleeve, and the threaded rod is axially provided with a limiting groove that cooperates with the gap of the pin rod to limit the rotation of the threaded rod in the circumferential direction. The upper end of the threaded rod is connected to a placement seat, which is used to adjust the axial position of the threaded rod by rotating the rotating shaft sleeve, so that the placement seat closely contacts the main ridge, and the top support is achieved.

[0008] As a preferred technical solution of the utility model, the length of the limiting groove is less than the length of the threaded rod, which is used to limit the axial movement position of the threaded rod when the pin rod abuts against the end wall of the limiting groove.

[0009] As a preferred technical scheme of the utility model, the circumferential surface of the flange is uniformly provided with blind holes, which are used for inserting the force rods into the blind holes, and the force rods are used for rotating the rotating shaft sleeve.

[0010] As a preferred technical scheme of the utility model, the rotating shaft sleeve is provided with an annular groove on the outer wall, the support rod is provided with a limiting pin on the side wall, and the limiting pin is in clearance fit with the annular groove, which is used for limiting the axial position of the rotating shaft sleeve.

[0011] As a preferred technical scheme of the utility model, the lower surface of the flange is provided with an annular recess which is matched with the end surface of the support rod, and the thrust bearing is arranged between the annular recess and the end surface of the support rod.

[0012] As a preferred technical scheme of the utility model, the placing seat is in U-shaped structure, and the two side walls are threadedly connected with screw rods, and the opposite ends of the two screw rods are rotatably connected with clamping plates, which are used for rotating the screw rods to adjust the distance between the two clamping plates, so as to adapt to the main keel with different widths.

[0013] As a preferred technical scheme of the utility model, the upper end of the threaded rod is fixedly connected with a connecting seat, the lower surface of the placing seat is fixedly connected with two clamping blocks which are located on the two sides of the connecting seat, and one of the clamping blocks is provided with a threaded hole, which is used for inserting the hand screw bolt through the clamping block and the connecting seat in sequence, and cooperating with the threaded hole of the other clamping block, and then rotating the hand screw bolt to clamp or loosen the connecting seat.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a rotating shaft sleeve and support rod are connected, and the threaded rod is connected with the rotating shaft sleeve, and the axial position of the threaded rod is adjusted by rotating the rotating shaft sleeve, and the position of the threaded rod is fixed in the circumferential direction, so that the placing seat can be closely attached to the main keel, and good support is realized, and the use and adjustment of the whole are facilitated.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.

[0018] Figure 1A structure schematic view of a jacking device for roof construction of the utility model;

[0019] Figure 2 For Figure 1 The front view of the utility model;

[0020] Figure 3 For Figure 2 The sectional view at A-A of the utility model;

[0021] Figure 4 The structure explosion drawing of the supporting rod, rotating shaft sleeve and threaded rod;

[0022] Figure 5 The structure schematic view of the rotating shaft sleeve;

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1-supporting rod, 2-rotating shaft sleeve, 3-threaded rod, 4-placing seat, 101-pin rod, 102-limiting pin, 201-flange, 202-blind hole, 203-annular groove, 204-annular sink, 301-limiting groove, 302-connecting seat, 401-screw rod, 402-clamping plate, 403-clamping block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Please refer to Figure 1 And 2 The utility model discloses a jacking device for roof construction, including supporting rod 1, rotating shaft sleeve 2 and threaded rod 3, supporting rod 1 is hollow tubular structure, and the pin rod 101 is inserted in the side wall of supporting rod 1, and the one end of pin rod 101 extends to the inside of supporting rod 1. Such as the threaded hole of being set in the side wall of supporting rod 1, pin rod 101 can directly adopt the screw that cooperates with threaded hole, and after screwing, locking can be carried out.

[0028] As Figures 3 to 5 shown, the rotating shaft sleeve 2 is rotatably connected with the inner wall of the support rod 1, the outer wall of the rotating shaft sleeve 2 is provided with a flange 201, and the inner wall of the rotating shaft sleeve 2 is provided with an internal thread. Specifically, the rotating shaft sleeve 2 can be rotatably connected with the inner wall of the support rod 1 through a bearing, or the rotating shaft sleeve 2 is sleeved in the support rod 1, the outer wall of the rotating shaft sleeve 2 is provided with an annular groove 203, the side wall of the support rod 1 is connected with a limiting pin 102, and the limiting pin 102 can also be a screw, which is installed in the same way as the pin rod 101.

[0029] The end of the limiting pin 102 is in clearance fit with the annular groove 203, which is used to limit the axial position of the rotating shaft sleeve 2. When disassembly is needed, the limiting pin 102 is only needed to be removed, and then the rotating shaft sleeve 2 can be pulled out, which is convenient for subsequent maintenance.

[0030] The lower surface of the flange 201 is provided with an annular recess 204 which is matched with the end surface of the support rod 1, and a thrust bearing is arranged between the annular recess 204 and the end surface of the support rod 1, so as to improve the rotating convenience of the rotating shaft sleeve 2. At the same time, the circumference of the flange 201 is uniformly provided with a blind hole 202, and a force rod is inserted into the blind hole 202, so as to rotate the rotating shaft sleeve 2 by the force rod, thereby further improving the rotating convenience.

[0031] The threaded rod 3 is matched with the internal thread of the rotating shaft sleeve 2, and the threaded rod 3 is axially provided with a limiting groove 301 which is in clearance fit with the pin rod 101, so as to limit the rotation of the threaded rod 3 in the circumferential direction, so that the rotation of the threaded rod 3 in the circumferential direction is limited.

[0032] The upper end of the threaded rod 3 is connected with a placing seat 4, and the upper end of the threaded rod 3 is fixedly connected with a connecting seat 302. The threaded rod 3 and the connecting seat 302 can be an integral structure, or they are fixed by welding. The lower surface of the placing seat 4 is welded with two clamping blocks 403 which are respectively located on both sides of the connecting seat 302. One of the clamping blocks 403 is provided with a threaded hole, and the connecting seat 302 and the other clamping block 403 are both provided with through holes which are matched with the threaded hole, so as to pass the hand screw through the clamping blocks 403 and the connecting seat 302 in turn, and cooperate with the threaded hole of the other clamping block 403. By rotating the hand screw, the two clamping blocks 403 can realize clamping or loosening of the connecting seat 302, or the existing technical solutions in the background art can be used for connection.

[0033] When the height needs to be adjusted, the rotating shaft sleeve 2 is rotated, and since the threaded rod 3 cannot rotate in the circumferential direction, the rotating shaft sleeve 2 drives the threaded rod 3 to move axially, so as to adjust the axial position of the threaded rod 3, that is, the height of the placing seat 4 is adjusted. Since the placing seat 4 will not rotate, it will not be blocked, so that the placing seat 4 can closely contact the main ridge, and better support and support can be realized.

[0034] As a preferred embodiment, the length of the limiting groove 301 is less than the length of the threaded rod 3, for example, the limiting groove 301 is formed from the upper end of the threaded rod 3 downwards, and the lower end of the limiting groove 301 is spaced from the lower end surface of the threaded rod 3 by a distance, so that when the pin rod 101 abuts against the end wall of the limiting groove 301 when the threaded rod 3 moves upwards, the axial movement position of the threaded rod 3 is limited, thereby limiting the upward movement stroke of the threaded rod 3, and avoiding the threaded rod 3 from falling off from the upper end of the rotating shaft sleeve 2 due to excessive upward movement.

[0035] As another embodiment, the placing seat 4 is in a U-shaped structure, and the two side walls are both threadedly connected with screw rods 401, one end of each of the screw rods 401 is connected with a handle or a hexagonal prism, so as to facilitate the rotation of the screw rods 401, and the opposite ends of the two screw rods 401 are both rotationally connected with clamping plates 402, so as to adjust the distance between the two clamping plates 402 by rotating the screw rods 401, and facilitate the adaptation to main keels of different widths, and improve the supporting and fixing effect of the main keel, thereby further improving the adaptability and use flexibility of the whole.

[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A top support device for roof construction, characterized in that, include: Support rod (1), the support rod (1) is a hollow tubular structure, a pin (101) is inserted through the side wall of the support rod (1), and one end of the pin (101) extends into the interior of the support rod (1); Rotary bushing (2), the rotating bushing (2) is rotatably connected to the inner wall of the support rod (1), the outer wall of the rotating bushing (2) is provided with a flange (201), and the inner wall of the rotating bushing (2) is provided with an internal thread; The threaded rod (3) is engaged with the internal thread of the rotating bushing (2). The threaded rod (3) is provided with a limiting groove (301) that is in clearance fit with the pin (101) in the axial direction, which is used to limit the rotation of the threaded rod (3) in the circumferential direction. The upper end of the threaded rod (3) is connected to a placement seat (4), which is used to adjust the axial position of the threaded rod (3) by rotating the rotating bushing (2), so that the placement seat (4) is in close contact with the main keel to achieve top support.

2. A roof support device for roof construction according to claim 1, characterized in that, The length of the limiting channel (301) is less than the length of the threaded rod (3), and it is used to limit the axial movement position of the threaded rod (3) when the pin (101) abuts against the end wall of the limiting channel (301).

3. A roof support device for roof construction according to claim 1 or 2, characterized in that, Blind holes (202) are evenly distributed on the circumferential surface of the flange (201) for inserting a force rod into the blind holes (202) to rotate the rotating bushing (2).

4. A roof support device for roof construction according to claim 3, characterized in that, The outer wall of the rotating bushing (2) is provided with an annular groove (203), and the side wall of the support rod (1) is connected to a limiting pin (102). The end of the limiting pin (102) is in clearance fit with the annular groove (203) to limit the axial position of the rotating bushing (2).

5. A roof support device for roof construction according to claim 1 or 4, characterized in that, The flange (201) has an annular groove (204) on its lower surface that is adapted to the end face of the support rod (1) for installing a thrust bearing between the annular groove (204) and the end face of the support rod (1).

6. A roof support device for roof construction according to claim 1, characterized in that, The placement seat (4) has a U-shaped structure, and both sides are threaded with screws (401). The opposite ends of the two screws (401) are rotatably connected with clamping plates (402), which are used to adjust the distance between the two clamping plates (402) by rotating the screws (401), so as to adapt to the main keel of different widths.

7. A roof support device for roof construction according to claim 1, characterized in that, The upper end of the threaded rod (3) is fixedly connected to a connecting seat (302), and the lower surface of the placement seat (4) is fixedly connected to two clamping blocks (403) located on both sides of the connecting seat (302). One of the clamping blocks (403) has a threaded hole, which is used to insert a hand-tightening bolt through the clamping block (403) and the connecting seat (302) in sequence, and cooperate with the threaded hole of the other clamping block (403). By turning the hand-tightening bolt, the connecting seat (302) can be clamped or loosened.

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