Auxiliary device for preventing sand blasting derusting end of steel pipe from being blocked

Abstract

The utility model discloses an auxiliary device for preventing a steel pipe sand blasting derusting end from being blocked, and relates to the technical field of steel structure pipe shot blasting and sand blasting derusting construction, the auxiliary device comprises a sealing plate, and a positioning plate is arranged on the inner side of the sealing plate; the outer side of the sealing plate is fixedly connected with a fixing nut, a screw penetrating through the sealing plate is arranged in the fixing nut in a threaded mode, the screw is connected with a handle on the outer side of the sealing plate, the screw is connected with a rotating nut on the inner side of the sealing plate in a threaded mode, and the rotating nut is movably connected with a jacking device. When the handle and the screw rotate, the rotating nut can be pushed to do linear motion along the screw, and the jacking device is driven to be opened. The utility model has the advantages of simple structure, convenience in manufacture, low cost, repeated utilization, convenience in carrying, suitability for different pipe diameters and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure pipe material shot blasting derusting construction technical field, specifically a kind of auxiliary device for preventing steel pipe shot blasting derusting end head plugging. BACKGROUND

[0002] At present, in the process of traditional steel pipe shot blasting derusting, these small steel sand particles, under the scouring of high-pressure sand blasting, although can effectively remove the rust and dirt on the surface of steel pipe, but also easy to form accumulation in the steel pipe, this problem has long plagued construction personnel, especially the problem of large pipe diameter steel pipe is more prominent, the process of cleaning steel sand not only increases a lot of working time, reduces work efficiency, and steel sand recovery also exists greater difficulty, increases construction cost.

[0003] In the face of this dilemma, construction personnel has tried many methods, such as increasing sand cleaning process, adjusting sand blasting angle, but the effect is not ideal. For this reason, an auxiliary device is proposed, which can fundamentally solve the problem of steel sand accumulation in the steel pipe during shot blasting. CONTENT OF UTILITY MODEL

[0004] To solve the above technical problems, the utility model provides an auxiliary device for preventing steel pipe shot blasting derusting end head plugging.

[0005] The utility model provides the following technical scheme to realize the above-mentioned purpose:

[0006] An auxiliary device for preventing steel pipe shot blasting derusting end head plugging, including sealing plate, the inner side of sealing plate is provided with positioning plate;Sealing plate outer side fixedly connected with fixed nut, fixed nut is screw threaded with screw rod in sealing plate, screw rod is connected with handle outside sealing plate, screw rod is screw threaded with rotating nut inside sealing plate, rotating nut movably connects with jacking device;Handle and screw rod rotate, can drive rotating nut to do linear motion along screw rod, drive jacking device to open.

[0007] The aforementioned auxiliary device for preventing steel pipe shot blasting derusting end head plugging, rotating nut connects pin seat, pin seat is movably connected with one end of jacking device arranged as L-shaped, pin seat and one end of jacking device are both provided with long round hole, connecting pin is arranged in two long round holes;Sealing plate inner side is connected with rotating shaft seat, rotating shaft seat is hinged to the corner of jacking device through rotating shaft.

[0008] The aforementioned auxiliary device for preventing steel pipe shot blasting derusting end head plugging, the included angle of jacking device is provided with reinforcing plate.

[0009] The aforementioned auxiliary device for preventing steel pipe shot blasting derusting end head plugging, the positioning plate is provided with multiple;Jacking device is arranged in the upper part of sealing plate, and positioning plate is arranged in the lower part of sealing plate.

[0010] The positioning plate is provided with three, and is arranged in divergent shape with the screw as the center.

[0011] The area of the sealing plate is larger than the pipe opening area of the steel pipe.

[0012] The sealing plate is circularly arranged.

[0013] The fixed nut is arranged at the center position of the sealing plate.

[0014] Advantageous effects

[0015] Compared with the prior art, the sealing plate is tightly closed to the steel pipe port, so that the effect of preventing the steel sand from entering the steel pipe is achieved.

[0016] The utility model has the advantages of simple structure, convenient manufacturing, low cost, repeated use, convenient to carry and being applicable to different pipe diameters. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model in the using process (the dotted line structure indicates the using state of the utility model);

[0019] Figure 3 It is a reference Figure 2 It is a structural schematic diagram of the utility model in the left direction (omitting the handle);

[0020] Figure 4 It is another structural schematic diagram of the utility model;

[0021] Reference signs: 1-sealing plate, 2-handle, 3-fixed nut, 4-tightening device, 5-connecting pin, 6-screw, 7-rotary nut, 8-positioning plate, 9-pin seat, 10-rotating shaft seat, 11-rotating shaft, 12-reinforcing plate, 13-steel pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1, a kind of for preventing steel pipe sand blasting rust end head plugging auxiliary device, structure reference Figures 1-3 As shown, including sealing plate 1, the inner side of sealing plate 1 is provided with positioning plate 8;Sealing plate 1 outer side is fixedly connected with fixed nut 3, fixed nut 3 is screw threaded with screw rod 6 in sealing plate 1, screw rod 6 is connected with handle 2 on the outer side of sealing plate 1, screw rod 6 is screw threaded with rotating nut 7 on the inner side of sealing plate 1, rotating nut 7 is movably connected with jacking device 4;When handle 2 and screw rod 6 rotate, rotating nut 7 can be pushed to do linear motion along screw rod 6, drive jacking device 4 to open.

[0024] Rotating nut 7 is connected with pin seat 9, pin seat 9 is movably connected with one end of jacking device 4 arranged as L-shaped, pin seat 9 and one end of jacking device 4 are both provided with long round hole, connecting pin 5 is arranged in two long round holes;The inner side of sealing plate 1 is connected with rotating shaft seat 10, rotating shaft seat 10 is hinged to the corner of jacking device 4 through rotating shaft 11.Long round hole provides space for the rotation of jacking device 4.

[0025] One end of jacking device 4 is movably connected with pin seat 9, pin seat 9 and one end of jacking device 4 are both provided with long round hole, connecting pin 5 is arranged in two long round holes;

[0026] Jacking device 4 is arranged on the upper portion of sealing plate 1, and positioning plate 8 is arranged on the lower portion of sealing plate 1.

[0027] Positioning plate 8 is arranged in three and arranged in divergent shape with screw rod 6 as center.

[0028] The area of sealing plate 1 is greater than the pipe opening area of steel pipe, so that better plugging effect is achieved.

[0029] Sealing plate 1 is circularly arranged.

[0030] Fixed nut 3 is arranged at the center position of sealing plate 1.

[0031] The device can drive screw rod 6 to rotate by rotating handle 2, and then push rotating nut 7 to do linear motion, so as to drive jacking device 4 to rotate around rotating shaft 11, realize opening and closing, jacking device 4 opens and cooperates with positioning plate 8 to jacking steel pipe inner wall, so as to tightly seal sealing plate 1 in steel pipe end head, prevent steel sand from entering steel pipe interior when steel pipe is thrown and sand blasted, play the role of plugging. Figure 2 As shown in the initial state and use state.

[0032] In addition, it should be noted that the rotating handle 2 will be tightened after the tightening device 4 is tightened, because of the restriction of the thread between the fixed nut 3, the rotating nut 7 and the screw rod 6, the tightening device 4 will not be loosened generally; if it is loosened after long-term use, a common locking structure of the rotating handle 2 can be added, the locking structure can be various common limiting and fixing structures on the construction site, or a rope is arranged on the rotating handle 2 and a rod is arranged outside the sealing plate 1, the simple structure that the rotating handle 2 is bound tightly by the rope after the rotating handle 2 is twisted to the position of the tightening device 4.

[0033] Embodiment 2, an auxiliary device for preventing the end of steel pipe from being blocked during sand blasting rust removal, the structure of the embodiment is based on embodiment 1.

[0034] The device refers to Figure 4 For example, for this Figure 3 More positioning plates 8 are arranged in the device, by selecting different positioning plates 8 to cooperate with the tightening device 4, the device can adapt to steel pipes with larger range of different diameters, the adaptability is improved, and the device is more practical.

[0035] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting, characterized in that: The utility model provides a sealing plate (1), the inner side of sealing plate (1) is provided with locating plate (8), the outer side of sealing plate (1) is fixedly connected with fixed nut (3), the threaded setting of fixed nut (3) is provided with screw rod (6) in sealing plate (1), handle (2) is connected in the outer side of sealing plate (1) to screw rod (6), screw rod (6) is screw -threaded connection rotating nut (7) in the inner side of sealing plate (1), rotating nut (7) is movably connected with jacking device (4), handle (2) and screw rod (6) rotate, can push rotating nut (7) and make linear motion along screw rod (6), drive jacking device (4) to open.

2. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting rust removal according to claim 1, characterized in that: The rotating nut (7) is connected with the pin seat (9), the pin seat (9) is movably connected with one end of the jacking device (4) arranged in the shape of L, the pin seat (9) and one end of the jacking device (4) are provided with long round holes, and the connecting pin (5) is arranged in the two long round holes.

3. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 1, characterized in that: The jacking device (4) is provided with the reinforcing plate (12) at the included angle.

4. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 1, characterized in that: The locating plate (8) is provided with a plurality of locating plates (8), and the jacking device (4) is arranged on the upper part of the sealing plate (1), and the locating plate (8) is arranged on the lower part of the sealing plate (1).

5. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 4, characterized in that: The locating plate (8) is provided with three locating plates (8) and is arranged in a divergent shape with the screw rod (6) as the center.

6. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 1, characterized in that: The area of the sealing plate (1) is greater than the pipe opening area of the steel pipe.

7. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 1, characterized in that: The sealing plate (1) is circular.

8. The auxiliary device for preventing the plugging of the end of a steel pipe during sand blasting descaling according to claim 7, characterized in that: The fixed nut (3) is arranged at the center position of the sealing plate (1).

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