Connecting device for HDPE (high-density polyethylene) steel strip reinforced helical bellows

Abstract

The utility model discloses a connecting device for a high-density polyethylene (HDPE) steel belt reinforced spiral corrugated pipe, which comprises a positioning bottom plate, a fixed arc frame and a shifting arc frame, T-shaped sliding grooves are arranged on two side surfaces of the top of the positioning bottom plate, T-shaped sliding blocks are arranged on two sides of the bottom of the shifting arc frame, the fixed arc frame is arranged on one side of the top of the positioning bottom plate, and the shifting arc frame is arranged on the other side of the top of the positioning bottom plate. A first positioning arc frame and a second positioning arc frame are arranged on the top surface of the fixed arc frame and the top surface of the movable arc frame correspondingly, by arranging a T-shaped sliding groove and a T-shaped sliding block, the HDPE steel strip reinforced spiral corrugated pipe with the end hot-melted can be clamped and fixed between the movable arc frame and the second positioning arc frame, a second connecting plate is pushed, and the end of the HDPE steel strip reinforced spiral corrugated pipe is fixed. The shifting arc frame can stably and quickly translate to one end of the fixed arc frame and one end of the first positioning arc frame through movement of the T-shaped sliding blocks in the T-shaped sliding grooves, the connection state of the two ends of the HDPE steel strip reinforced spiral corrugated pipe in the hot melting state is achieved, and the connection strength and the sealing performance of the HDPE steel strip reinforced spiral corrugated pipe are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of metal pipe fittings, in particular to a connecting device for a HDPE steel belt reinforced spiral corrugated pipe. Background Art

[0002] HDPE steel belt reinforced spiral corrugated pipe uses high-density polyethylene as the base material. It is a plastic pipe that is embedded with low-carbon steel belts to form a reinforcement layer. The wall of the pipe has a spiral corrugated structure. This design helps to improve the structural strength and stability of the pipe, and also facilitates the installation and transportation of the pipe.

[0003] At present, when the two ends of the HDPE steel belt reinforced spiral corrugated pipe are connected after hot melting, the connected ports are very likely to be offset, and the two ends of the HDPE steel belt reinforced spiral corrugated pipe cannot be quickly connected in the hot melting state, which reduces the connection strength and sealing of the HDPE steel belt reinforced spiral corrugated pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a connecting device for HDPE steel belt reinforced spiral corrugated pipes, which can solve the problem that during the hot-melt connection process at the two ends of the HDPE steel belt reinforced spiral corrugated pipe, the connecting ports are very likely to be offset, and the two ends of the HDPE steel belt reinforced spiral corrugated pipe cannot be quickly hot-melt connected, thereby enhancing the connection strength and sealing of the HDPE steel belt reinforced spiral corrugated pipe.

[0005] To achieve the above-mentioned purpose, a connecting device for HDPE steel belt reinforced spiral corrugated pipe is provided, including a positioning base plate, a fixed arc frame and a displacement arc frame, the two side surfaces of the top of the positioning base plate are provided with T-shaped slide grooves, the two sides of the bottom of the displacement arc frame are provided with T-shaped sliders, a fixed arc frame is provided on one side of the top of the positioning base plate, the top surfaces of the fixed arc frame and the displacement arc frame are respectively provided with a first positioning arc frame and a second positioning arc frame, a balance shaft is provided on the inner side of the middle part above the first positioning arc frame and the second positioning arc frame, the first connecting plate and the second connecting plate are respectively provided on the upper and lower sides of the outside of the fixed arc frame and the displacement arc frame, the first connecting plate and the second connecting plate are respectively provided on the lower sides of the outside of the first positioning arc frame and the second positioning arc frame, a connecting bolt is provided on the inner side of the middle part of the first connecting plate and the second connecting plate, an adjusting ring is provided on the surface below the connecting bolt, support arc frames are provided on the two end surfaces of the top of the positioning base plate, the upper inner surface of the support arc frame is provided with a first anti-slip pad, and the inner surfaces of the fixed arc frame, the displacement arc frame, the first positioning arc frame and the second positioning arc frame are provided with a second anti-slip pad.

[0006] According to the connection device for HDPE steel belt reinforced spiral corrugated pipe, both side surfaces of the top of the positioning base plate are recessed and connected with the T-shaped slide groove, and both sides of the bottom of the displacement arc frame are fixedly contacted and connected with the T-shaped slider. The displacement arc frame forms a balanced movement state with the top surface of the positioning base plate through the limiting movement effect of the T-shaped slider and the inside of the T-shaped slide groove.

[0007] According to the connection device for HDPE steel belt reinforced spiral corrugated pipe, the fixed arc frame and the shifting arc frame are both made of metal alloy material, and the fixed arc frame is fixedly welded to one side of the top of the positioning base plate.

[0008] According to the connection device for HDPE steel belt reinforced spiral corrugated pipe, the first positioning arc frame and the second positioning arc frame are both made of metal alloy material, and the first positioning arc frame and the second positioning arc frame are both contacted and connected with the top surface support of the fixed arc frame and the shifting arc frame.

[0009] According to the connecting device for HDPE steel belt reinforced spiral corrugated pipe, the balancing shaft is made of stainless steel, and the balancing shaft is respectively contacted and slidably connected with the inner side of the upper middle part of the first positioning arc frame and the second positioning arc frame, and the second positioning arc frame forms a balanced horizontal state with the first positioning arc frame through the balancing shaft.

[0010] According to the connecting device for HDPE steel belt reinforced spiral corrugated pipe, four first connecting plates and four second connecting plates are provided, the four first connecting plates and four second connecting plates are made of metal material, the edge structure of the four second connecting plates is arc-shaped, and the four first connecting plates and four second connecting plates are respectively fixedly welded to the upper two sides of the outside of the fixed arc frame, the lower two sides of the outside of the first positioning arc frame, the upper two sides of the outside of the shifting arc frame, and the lower two sides of the outside of the second positioning arc frame.

[0011] According to the connecting device for HDPE steel belt reinforced spiral corrugated pipe, four connecting bolts are provided, and the four connecting bolts are respectively engaged and contacted with the inner sides of the middle parts of the first connecting plate and the second connecting plate, and the lower surfaces of the four connecting bolts are threadedly connected with the adjusting ring, and the fixed arc frame and the first positioning arc frame and the shifting arc frame and the second positioning arc frame form a positioning contact state through the first connecting plate, the second connecting plate and the connecting bolts.

[0012] According to the connecting device for HDPE steel belt reinforced spiral corrugated pipe, two supporting arc frames and two first anti-slip pads are provided, and the two supporting arc frames are fixedly welded to the surfaces at both ends of the top of the positioning base plate, and the two first anti-slip pads are made of natural rubber material, and the upper inner surfaces of the two supporting arc frames are fixedly contacted and connected to the first anti-slip pads, and the inner surfaces of the fixed arc frame, the shifting arc frame, the first positioning arc frame and the second positioning arc frame are fixedly contacted and connected to the second anti-slip pad, and the second anti-slip pad is made of silicone material.

[0013] The above scheme has the beneficial effect: through the T-shaped slide groove and T-shaped slider, the HDPE steel belt reinforced spiral corrugated pipe after the end is hot-melted can be clamped and fixed between the shifting arc frame and the second positioning arc frame, and the second connecting plate can be pushed to make the shifting arc frame move inside the T-shaped slide groove through the T-shaped slider, and can be stably and quickly translated to the fixed arc frame and one end of the first positioning arc frame, thereby realizing the connection state of the two ends of the HDPE steel belt reinforced spiral corrugated pipe in the hot-melt state, and enhancing the connection strength and sealing of the HDPE steel belt reinforced spiral corrugated pipe.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a connection device for a HDPE steel belt reinforced spiral corrugated pipe of the utility model;

[0016] Figure 2 This is a front structural cross-sectional view of a connection device for a HDPE steel belt reinforced spiral corrugated pipe of the utility model;

[0017] Figure 3 This is a side structural cross-sectional view of a connection device for a HDPE steel belt reinforced spiral corrugated pipe of the utility model;

[0018] Figure 4 This is a structural schematic diagram from another angle of a connecting device for a HDPE steel belt reinforced spiral corrugated pipe of the utility model.

[0019] Legend:

[0020] 1. Positioning base plate; 2. Fixed arc frame; 3. Shifting arc frame; 4. Supporting arc frame; 5. First anti-skid pad; 6. First connecting plate; 7. Second connecting plate; 8. Balance shaft; 9. First positioning arc frame; 10. Second positioning arc frame; 11. Second anti-skid pad; 12. T-shaped slide groove; 13. Connecting bolt; 14. Adjusting ring; 15. T-shaped slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a connection device for HDPE steel belt reinforced spiral corrugated pipe, which includes a positioning base plate 1, a fixed arc frame 2 and a displacement arc frame 3. The top and side surfaces of the positioning base plate 1 are both provided with T-shaped slide grooves 12, and the bottom and side surfaces of the displacement arc frame 3 are both provided with T-shaped sliders 15. A fixed arc frame 2 is provided on one side of the top of the positioning base plate 1. The top surfaces of the fixed arc frame 2 and the displacement arc frame 3 are respectively provided with a first positioning arc frame 9 and a second positioning arc frame 10. A balancing shaft 8 is provided on the inner side of the middle part above the first positioning arc frame 9 and the second positioning arc frame 10. The upper part of the fixed arc frame 2 and the displacement arc frame 3 is provided with a balancing shaft 8. The first connecting plate 6 and the second connecting plate 7 are respectively arranged on both sides, the first positioning arc frame 9 and the second positioning arc frame 10 are respectively arranged on both sides of the lower outside, the first connecting plate 6 and the second connecting plate 7 are arranged on the inner side of the middle part, and an adjusting ring 14 is arranged on the surface below the connecting bolt 13, supporting arc frames 4 are arranged on the two end surfaces of the top of the positioning base plate 1, and the first anti-slip pad 5 is arranged on the inner surface above the supporting arc frame 4, and the second anti-slip pad 11 is arranged on the inner surfaces of the fixed arc frame 2, the shifting arc frame 3, the first positioning arc frame 9 and the second positioning arc frame 10.

[0023] The two side surfaces of the top of the positioning base plate 1 are both engaged and recessed with the T-shaped slide groove 12, and the two sides of the bottom of the displacement arc frame 3 are fixedly contacted and connected with the T-shaped slider 15. The displacement arc frame 3 forms a balanced moving state with the top surface of the positioning base plate 1 through the limiting movement effect of the T-shaped slider 15 and the T-shaped slide groove 12. Through the set T-shaped slide groove 12 and T-shaped slider 15, the displacement arc frame 3 can be stably and quickly translated to the fixed arc frame 2 and one end of the first positioning arc frame 9 through the movement of the T-shaped slider 15 in the T-shaped slide groove 12, so as to realize the connection state of the two ends of the HDPE steel belt reinforced spiral corrugated pipe in the hot melt state, enhance the connection strength and sealing of the HDPE steel belt reinforced spiral corrugated pipe, and the fixed arc frame 2 and the displacement arc frame 3 are both made of metal alloy material The fixed arc frame 2 is fixedly welded to one side of the top of the positioning base plate 1, the first positioning arc frame 9 and the second positioning arc frame 10 are both made of metal alloy materials, the first positioning arc frame 9 and the second positioning arc frame 10 are both supported and contacted with the top surfaces of the fixed arc frame 2 and the displacement arc frame 3, and the first positioning arc frame 9 and the second positioning arc frame 10 are provided to form a circular state above the fixed arc frame 2 and the displacement arc frame 3, so that the HDPE steel belt reinforced spiral corrugated pipe can be provided with a limited installation above the fixed arc frame 2 and the displacement arc frame 3, the balancing shaft 8 is made of stainless steel, and the balancing shaft 8 is respectively contacted and slidably connected with the inner side of the middle part of the upper part of the first positioning arc frame 9 and the second positioning arc frame 10, and the second positioning arc frame 10 is connected to the first positioning arc frame through the balancing shaft 8. 9 forms a balanced horizontal state, and the balance shaft 8 is set to strengthen the movement balance of the displacement arc frame 3 on the surface above the T-shaped slide groove 12. Four first connecting plates 6 and second connecting plates 7 are provided, and the four first connecting plates 6 and second connecting plates 7 are made of metal material. The edge structure of the four second connecting plates 7 is an arc style. The four first connecting plates 6 and second connecting plates 7 are respectively fixedly welded to the upper two sides of the outside of the fixed arc frame 2, the lower two sides of the outside of the first positioning arc frame 9, the upper two sides of the outside of the displacement arc frame 3, and the lower two sides of the outside of the second positioning arc frame 10. Four connecting bolts 13 are provided, and the four connecting bolts 13 are respectively engaged and contacted with the inner sides of the middle parts of the first connecting plates 6 and the second connecting plates 7. The square surfaces are all threadedly connected with the adjusting ring 14, and the fixed arc frame 2 and the first positioning arc frame 9 are in a positioning contact state with the displacement arc frame 3 and the second positioning arc frame 10 through the first connecting plate 6, the second connecting plate 7 and the connecting bolts 13. The stability between the first connecting plate 6 and the second connecting plate 7 can be strengthened by the arranged connecting bolts 13, so as to avoid the first positioning arc frame 9 and the second positioning arc frame 10 from being offset from the top of the fixed arc frame 2 and the displacement arc frame 3. Two supporting arc frames 4 and two first anti-skid pads 5 are each provided, and the two supporting arc frames 4 are fixedly welded to the surfaces at both ends of the top of the positioning base plate 1, and the two first anti-skid pads 5 are made of natural rubber material, and the upper inner surfaces of the two supporting arc frames 4 are fixedly contacted with the first anti-skid pads 5.The inner surfaces of the fixed arc frame 2, the shifting arc frame 3, the first positioning arc frame 9 and the second positioning arc frame 10 are all fixedly contacted and connected with the second anti-skid pad 11. The second anti-skid pad 11 is made of silicone material. The support arc frame 4 is provided to provide a support effect for one side of the HDPE steel belt reinforced spiral corrugated pipe clamping the fixed end. The first anti-skid pad 5 and the second anti-skid pad 11 are provided to strengthen the friction with the surface of the HDPE steel belt reinforced spiral corrugated pipe to achieve a stable state.

[0024] Working principle: According to the thread movement distance between the rotating adjustment ring 14 and the bottom of the connecting bolt 13, the space diameter between the first positioning arc frame 9 and the second positioning arc frame 10 and the fixed arc frame 2 and the shifting arc frame 3 can be adjusted, and the outer end of the HDPE steel belt reinforced spiral corrugated pipe is brought into anti-slip contact with the second anti-slip pad 11 between the fixed arc frame 2 and the first positioning arc frame 9 and between the shifting arc frame 3 and the second positioning arc frame 10, and the distance between the adjusting ring 14 and the connecting bolt 13 is tightened again to achieve clamping and fixing of the outer ends of HDPE steel belt reinforced spiral corrugated pipes with different diameters. The fixed outer ends of the HDPE steel belt reinforced spiral corrugated pipes can be hot-melt-ed by hot-melt equipment, and the second connecting plate 7 is pushed to make the shifting arc frame 3 move stably and quickly to one end of the fixed arc frame 2 and the first positioning arc frame 9 through the T-shaped slider 15, so as to achieve the connection state of the two ends of the HDPE steel belt reinforced spiral corrugated pipe in the hot-melt state.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection device for a HDPE steel belt reinforced spiral corrugated pipe, comprising a positioning base plate (1), a fixed arc frame (2) and a shifting arc frame (3), characterized in that: The top two side surfaces of the positioning base plate (1) are both provided with T-shaped sliding grooves (12), the bottom two sides of the displacement arc frame (3) are both provided with T-shaped sliding blocks (15), the top side of the positioning base plate (1) is provided with a fixed arc frame (2), the top surfaces of the fixed arc frame (2) and the displacement arc frame (3) are respectively provided with a first positioning arc frame (9) and a second positioning arc frame (10), a balancing shaft (8) is provided on the inner side of the middle part above the first positioning arc frame (9) and the second positioning arc frame (10), the top two sides of the fixed arc frame (2) and the displacement arc frame (3) are respectively provided with a first connecting plate (6) and a second connecting plate (7), the first positioning arc frame (2) and the displacement arc frame (3) are respectively provided with a first connecting plate (6) and a second connecting plate (7), A first connecting plate (6) and a second connecting plate (7) are respectively arranged on both sides of the lower outside of the arc frame (9) and the second positioning arc frame (10); a connecting bolt (13) is arranged on the inner side of the middle of the first connecting plate (6) and the second connecting plate (7); an adjusting ring (14) is arranged on the surface below the connecting bolt (13); supporting arc frames (4) are arranged on the upper and lower surfaces of the positioning base plate (1); a first anti-slip pad (5) is arranged on the upper inner surface of the supporting arc frame (4); and second anti-slip pads (11) are arranged on the inner surfaces of the fixed arc frame (2), the shifting arc frame (3), the first positioning arc frame (9) and the second positioning arc frame (10).

2. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: Both sides of the top surface of the positioning base plate (1) are recessedly connected with the T-shaped slide groove (12), and both sides of the bottom of the displacement arc frame (3) are fixedly contacted with the T-shaped slider (15). The displacement arc frame (3) forms a balanced movement state with the top surface of the positioning base plate (1) through the limiting movement effect inside the T-shaped slider (15) and the T-shaped slide groove (12).

3. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: The fixed arc frame (2) and the shifting arc frame (3) are both made of metal alloy material, and the fixed arc frame (2) is fixedly welded to one side of the top of the positioning base plate (1).

4. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: The first positioning arc frame (9) and the second positioning arc frame (10) are both made of metal alloy material, and the first positioning arc frame (9) and the second positioning arc frame (10) are both supported, contacted and connected with the top surfaces of the fixed arc frame (2) and the shifting arc frame (3).

5. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: The balancing shaft (8) is made of stainless steel, and is slidably connected to the inner sides of the upper middle parts of the first positioning arc frame (9) and the second positioning arc frame (10), respectively, and the second positioning arc frame (10) forms a balanced horizontal state through the balancing shaft (8) and the first positioning arc frame (9).

6. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: Four of the first connecting plates (6) and the second connecting plates (7) are provided, and the four first connecting plates (6) and the second connecting plates (7) are all made of metal material. The edge structures of the four second connecting plates (7) are arc-shaped. The four first connecting plates (6) and the second connecting plates (7) are respectively fixedly welded to the upper two sides of the exterior of the fixed arc frame (2), the lower two sides of the exterior of the first positioning arc frame (9), the upper two sides of the exterior of the shifting arc frame (3), and the lower two sides of the exterior of the second positioning arc frame (10).

7. A connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: Four connecting bolts (13) are provided, and the four connecting bolts (13) are respectively engaged with the inner sides of the middle parts of the first connecting plate (6) and the second connecting plate (7), and the lower surfaces of the four connecting bolts (13) are all threadedly connected to the adjustment ring (14). The fixed arc frame (2) and the first positioning arc frame (9) and the shifting arc frame (3) and the second positioning arc frame (10) form a positioning contact state through the first connecting plate (6), the second connecting plate (7) and the connecting bolts (13).

8. The connection device for HDPE steel belt reinforced spiral corrugated pipe according to claim 1, characterized in that: The two supporting arc frames (4) and the first anti-skid pads (5) are both provided with two, the two supporting arc frames (4) are both fixedly welded to the surfaces at both ends of the top of the positioning base plate (1), the two first anti-skid pads (5) are made of natural rubber material, the upper inner surfaces of the two supporting arc frames (4) are both fixedly contacted and connected to the first anti-skid pads (5), the inner surfaces of the fixed arc frame (2), the shifting arc frame (3), the first positioning arc frame (9) and the second positioning arc frame (10) are all fixedly contacted and connected to the second anti-skid pad (11), and the second anti-skid pad (11) is made of silicone material.

Images