Phospho-gypsum composite PVC outer square inner round double-wall corrugated electric power pipe and its manufacturing process

Abstract

The present invention discloses a phosphogypsum composite PVC outer square inner circle double-wall corrugated electric power pipe, comprising an outer square pipe, a corrugated pipe arranged inside the outer square pipe, and a fixing mechanism fixed at both ends of the outer square pipe, wherein the outer square pipe comprises a square pipe body and an upper fixing plate and a lower fixing plate fixed at the upper and lower ends of the square pipe body, wherein the lower end of the upper fixing plate is provided with a protruding seat inserted through the upper end opening of the square pipe body; the lower fixing plate is fixed in the rectangular opening, and the limit seat is clamped in the gap groove; the fixing mechanism comprises an upper fixing frame and a lower fixing frame, and the two ends of the corrugated pipe extend through and through between the upper and lower groups of the semicircular grooves, and the upper and lower groups of the semicircular grooves are clamped in the corresponding gap grooves. The outer square pipe of the present invention plays a protective role on the corrugated pipe; after the upper fixing plate and the lower fixing plate are disassembled, the corrugated pipe inside the outer square pipe can be inspected and repaired; the corrugated pipe can be tightly fixed to prevent the corrugated pipe from being displaced in the outer square pipe and causing wear and damage.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power pipes, and in particular relates to a phosphogypsum composite PVC outer square inner round double-wall corrugated electric power pipe and a manufacturing process thereof. Background Art

[0002] The double-wall corrugated electric power pipe has a double-layer structure, consisting of an inner corrugated pipe and an outer square pipe. Since the inner corrugated pipe and the outer square pipe are not firmly fixed, the inner corrugated pipe may be displaced in the outer square pipe, causing wear and damage. Once the inner corrugated pipe is damaged, it is very inconvenient to inspect and repair it. For this reason, we propose a phosphogypsum composite PVC outer square and inner circle double-wall corrugated electric power pipe and its manufacturing process to solve the problems mentioned in the above background technology. Summary of the invention

[0003] The object of the present invention is to provide a phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe and a manufacturing process thereof to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe, comprising an outer square pipe, a corrugated pipe arranged inside the outer square pipe, and a fixing mechanism fixed at both ends of the outer square pipe, the outer square pipe comprising a square pipe body with an opening at the upper end and an upper fixing plate and a lower fixing plate fixed at the upper and lower ends of the square pipe body, the surface of the corrugated pipe is provided with a corrugated raised ring, and a gap groove is provided between adjacent corrugated raised rings;

[0005] The bellows is arranged in a mounting groove in the square tube body, and the lower end of the upper fixing plate is provided with a raised seat inserted through the upper end opening of the square tube body;

[0006] A rectangular opening is provided at the lower end of the square tube body, the lower fixing plate is fixed in the rectangular opening, and a plurality of groups of limit seats are provided at the upper end of the lower fixing plate, and the limit seats are clamped in the gap grooves;

[0007] The fixing mechanism includes an upper fixing frame and a lower fixing frame, and semicircular grooves are provided at the bottom of the upper fixing frame and the upper end of the lower fixing frame. Both ends of the bellows extend through the upper and lower groups of the semicircular grooves, and the upper and lower groups of the semicircular grooves are stuck in the corresponding gap grooves.

[0008] Preferably, the upper fixing plate and the raised seat are integrally formed, and the upper fixing plate is fixed to the upper end of the square tube body by a first screw.

[0009] Preferably, an arc-shaped groove is provided at the lower end of the raised seat, and the arc-shaped groove is in close contact with the upper end of the corrugated tube.

[0010] Preferably, the bellows and the bellows raised ring are integrally formed, and the bellows raised ring is spirally arranged.

[0011] Preferably, the lower fixing plate and the limiting seat are integrally formed, and a plurality of groups of the limiting seats are arranged at equal intervals, and the upper end of the limiting seat is arranged in an arc shape and is closely attached to the lower end surface of the corrugated tube.

[0012] Preferably, support platforms are provided at both ends of the rectangular opening, and both ends of the lower fixing plate are fixed to the support platforms by second screws.

[0013] Preferably, the upper fixing frame and the lower fixing frame are fixed to the two ends of the square tube body by a third screw, and an upper positioning block and a lower positioning block are respectively provided on the upper inner side of the upper fixing frame and the lower inner side of the lower fixing frame, the upper positioning block is fixed in the positioning groove on the upper fixing plate by bolts, and the lower positioning block is fixed in the positioning groove at the lower end of the square tube body by bolts.

[0014] A manufacturing process of a phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe, specifically comprising the following steps:

[0015] S1. Install the bellows in the installation groove in the square tube body so that both ends of the bellows extend out through both ends of the square tube body;

[0016] S2, then fix the lower fixing plate in the rectangular opening so that the limit seat on the upper end of the lower fixing plate extends into the installation groove and is stuck in the gap groove;

[0017] S3, fix the upper fixing plate to the upper end of the square tube body, so that the raised seat is inserted through the upper end opening of the square tube body and closely contacts the upper end surface of the corrugated tube;

[0018] S4. Fix the upper fixing frame and the lower fixing frame at the two ends of the square tube body, so that the two ends of the corrugated tube extend through between the upper and lower groups of semicircular grooves, and the upper and lower groups of semicircular grooves are stuck in the corresponding gap grooves.

[0019] Compared with the prior art, the invention has the following beneficial effects: the invention provides a phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe and its manufacturing process. The invention arranges the outer square pipe, and after the corrugated pipe is arranged in the installation groove, the outer square pipe plays a protective role on the corrugated pipe;

[0020] The outer square tube includes a square tube body with an opening at the upper end and an upper fixing plate and a lower fixing plate fixed to the upper and lower ends of the square tube body. After the upper fixing plate and the lower fixing plate are removed, the corrugated tube inside the outer square tube can be inspected and repaired.

[0021] The limit seat on the upper end of the lower fixed plate extends into the installation groove and is stuck in the gap groove. The raised seat is inserted through the upper end opening of the square tube body and is close to the upper end surface of the bellows, so that the bellows can be tightly fixed to prevent the bellows from being displaced in the outer square tube and causing wear and damage.

[0022] The upper fixing frame and the lower fixing frame are fixed to the two ends of the square tube body, so that the two ends of the corrugated tube extend through between the upper and lower groups of semicircular grooves, and the upper and lower groups of semicircular grooves are stuck in the corresponding gap grooves, so that the two ends of the corrugated tube can be extended out of the outer square tube, and the connection between the corrugated tube and the two ends of the outer square tube also has a stable fixing effect to prevent wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall decomposition structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the exploded structure of the bellows and the outer square tube after being connected with the fixing mechanism of the present invention;

[0025] Figure 3 It is a schematic diagram of the exploded structure of the outer square tube of the present invention;

[0026] Figure 4 It is a schematic diagram of the exploded structure of the fixing mechanism of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the bellows of the present invention.

[0028] In the figure: 1 square tube body, 2 lower fixing plate, 3 limit seat, 4 second screw, 5 positioning groove, 6 mounting groove, 7 upper fixing frame, 8 lower fixing frame, 9 upper positioning block, 10 lower positioning block, 11 semicircular groove, 12 third screw, 13 upper fixing plate, 14 raised seat, 15 first screw, 16 bellows, 161 corrugated raised ring, 162 gap groove, 17 rectangular opening, 18 support platform. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1

[0031] The present invention provides Figure 1-5A phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe, comprising an outer square pipe, a corrugated pipe 16 arranged inside the outer square pipe and a fixing mechanism fixed at both ends of the outer square pipe, the outer square pipe comprises a square pipe body 1 with an opening at the upper end and an upper fixing plate 13 and a lower fixing plate 2 fixed at the upper and lower ends of the square pipe body 1, a corrugated raised ring 161 is provided on the surface of the corrugated pipe 16, and a gap groove 162 is provided between adjacent corrugated raised rings 161;

[0032] The bellows 16 is arranged in the mounting groove 6 in the square tube body 1, and the lower end of the upper fixing plate 13 is provided with a raised seat 14 inserted through the upper end opening of the square tube body 1;

[0033] A rectangular opening 17 is provided at the lower end of the square tube body 1, and the lower fixing plate 2 is fixed in the rectangular opening 17. A plurality of groups of limit seats 3 are provided at the upper end of the lower fixing plate 2, and the limit seats 3 are stuck in the gap grooves 162;

[0034] The fixing mechanism includes an upper fixing frame 7 and a lower fixing frame 8. The bottom of the upper fixing frame 7 and the upper end of the lower fixing frame 8 are both provided with semicircular grooves 11. Both ends of the bellows 16 extend through the upper and lower groups of the semicircular grooves 11, and the upper and lower groups of the semicircular grooves 11 are stuck in the corresponding gap grooves 162.

[0035] Specifically, the upper fixing plate 13 and the raised seat 14 are integrally formed, and the upper fixing plate 13 is fixed to the upper end of the square tube body 1 by a first screw 15 .

[0036] Specifically, the lower end of the raised seat 14 is provided with an arc-shaped groove, and the arc-shaped groove is closely attached to the upper end of the bellows 16 .

[0037] Specifically, the bellows 16 and the bellows raised ring 161 are integrally formed, and the bellows raised ring 161 is spirally arranged.

[0038] Specifically, the lower fixing plate 2 and the limiting seat 3 are integrally formed, and a plurality of groups of the limiting seats 3 are arranged at equal intervals. The upper end of the limiting seat 3 is arranged in an arc shape and is closely attached to the lower end surface of the bellows 16 .

[0039] Specifically, support platforms 18 are provided at both ends of the rectangular opening 17 , and both ends of the lower fixing plate 2 are fixed on the support platforms 18 by second screws 4 .

[0040] Specifically, the upper fixing frame 7 and the lower fixing frame 8 are fixed to the two ends of the square tube body 1 by a third screw 12, and an upper positioning block 9 and a lower positioning block 10 are respectively provided on the upper inner side of the upper fixing frame 7 and the lower inner side of the lower fixing frame 8. The upper positioning block 9 is fixed in the positioning groove 5 on the upper fixing plate 13 by bolts, and the lower positioning block 10 is fixed in the positioning groove 5 at the lower end of the square tube body 1 by bolts.

[0041] A manufacturing process of a phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe, specifically comprising the following steps:

[0042] S1, installing the bellows 16 in the installation groove 6 in the square tube body 1, so that the two ends of the bellows 16 extend through the two ends of the square tube body 1;

[0043] S2, then fix the lower fixing plate 2 in the rectangular opening 17, so that the limit seat 3 at the upper end of the lower fixing plate 2 extends into the installation groove 6 and is stuck in the gap groove 162;

[0044] S3, fix the upper fixing plate 13 to the upper end of the square tube body 1, so that the raised seat 14 is inserted through the upper end opening of the square tube body 1 and is closely attached to the upper end surface of the corrugated tube 16;

[0045] S4. Fix the upper fixing frame 7 and the lower fixing frame 8 at the two ends of the square tube body 1 so that the two ends of the corrugated tube 16 extend through between the upper and lower groups of the semicircular grooves 11, and the upper and lower groups of the semicircular grooves 11 are stuck in the corresponding gap grooves 162.

[0046] In summary, compared with the prior art, the present invention provides an outer square tube, and after the corrugated tube 16 is arranged in the installation groove 6, the outer square tube plays a protective role on the corrugated tube 16;

[0047] The outer square tube includes a square tube body 1 with an opening at the upper end, and an upper fixing plate 13 and a lower fixing plate 2 fixed to the upper and lower ends of the square tube body 1. After the upper fixing plate 13 and the lower fixing plate 2 are removed, the corrugated tube 16 inside the outer square tube can be inspected.

[0048] The limit seat 3 at the upper end of the lower fixing plate 2 extends into the mounting groove 6 and is stuck in the gap groove 162. The raised seat 14 is inserted through the upper end opening of the square tube body 1 and is close to the upper end surface of the bellows 16, so that the bellows 16 can be tightly fixed to prevent the bellows 16 from being displaced in the outer square tube and causing wear and damage.

[0049] The upper fixing frame 7 and the lower fixing frame 8 are fixed to the two ends of the square tube body 1, so that the two ends of the corrugated tube 16 pass through and extend between the upper and lower groups of the semicircular grooves 11, and the upper and lower groups of the semicircular grooves 11 are stuck in the corresponding gap grooves 162, so that the two ends of the corrugated tube 16 can be extended out of the outer square tube, and the connection between the corrugated tube 16 and the two ends of the outer square tube also has a stable fixing effect to prevent wear.

[0050] 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, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to 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 phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe, comprising an outer square pipe, a corrugated pipe (16) arranged inside the outer square pipe, and a fixing mechanism fixed at both ends of the outer square pipe, characterized in that: The outer square tube comprises a square tube body (1) with an opening at the upper end, and an upper fixing plate (13) and a lower fixing plate (2) fixed to the upper and lower ends of the square tube body (1); a surface of the corrugated tube (16) is provided with corrugated raised rings (161), and gap grooves (162) are provided between adjacent corrugated raised rings (161); The bellows (16) is arranged in a mounting groove (6) in the square tube body (1), and a protruding seat (14) is provided at the lower end of the upper fixing plate (13) and is inserted through an opening at the upper end of the square tube body (1); The lower end of the square tube body (1) is provided with a rectangular opening (17), the lower fixing plate (2) is fixed in the rectangular opening (17), and the upper end of the lower fixing plate (2) is provided with a plurality of groups of limit seats (3), the limit seats (3) being stuck in the gap grooves (162); The fixing mechanism comprises an upper fixing frame (7) and a lower fixing frame (8), the bottom of the upper fixing frame (7) and the upper end of the lower fixing frame (8) are both provided with semicircular grooves (11), both ends of the bellows (16) extend through and through between the upper and lower groups of the semicircular grooves (11), and the upper and lower groups of the semicircular grooves (11) are clamped in corresponding gap grooves (162); The upper fixing plate (13) and the raised seat (14) are integrally formed, and the upper fixing plate (13) is fixed to the upper end of the square tube body (1) by means of a first screw (15); The upper fixing frame (7) and the lower fixing frame (8) are fixed to the two ends of the square tube body (1) by means of third screws (12), and an upper positioning block (9) and a lower positioning block (10) are respectively provided on the upper inner side of the upper fixing frame (7) and the lower inner side of the lower fixing frame (8), the upper positioning block (9) being fixed in a positioning groove (5) on the upper fixing plate (13) by means of bolts, and the lower positioning block (10) being fixed in a positioning groove (5) at the lower end of the square tube body (1) by means of bolts.

2. The phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe according to claim 1, characterized in that: The lower end of the raised seat (14) is provided with an arc-shaped groove, which is in close contact with the upper end of the bellows (16).

3. The phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe according to claim 1, characterized in that: The bellows (16) and the corrugated raised ring (161) are integrally formed, and the corrugated raised ring (161) is spirally arranged.

4. The phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe according to claim 1, characterized in that: The lower fixing plate (2) and the limiting seat (3) are integrally formed, and a plurality of groups of the limiting seats (3) are arranged at equal intervals. The upper end of the limiting seat (3) is arranged in an arc shape and is closely attached to the lower end surface of the bellows (16).

5. The phosphogypsum composite PVC outer square inner round double-wall corrugated power pipe according to claim 1, characterized in that: Support platforms (18) are provided at both ends of the rectangular opening (17), and both ends of the lower fixing plate (2) are fixed to the support platforms (18) by means of second screws (4).

6. A manufacturing process of the phosphogypsum composite PVC outer square inner round double wall corrugated power pipe according to claim 1, characterized in that: The specific steps include: S1. Arrange the bellows (16) in the mounting groove (6) in the square tube body (1), so that two ends of the bellows (16) extend out through two ends of the square tube body (1); S2, then fix the lower fixing plate (2) in the rectangular opening (17), so that the limit seat (3) at the upper end of the lower fixing plate (2) extends into the installation groove (6) and is stuck in the gap groove (162); S3, fixing the upper fixing plate (13) to the upper end of the square tube body (1), so that the raised seat (14) is inserted through the upper end opening of the square tube body (1) and closely contacts the upper end surface of the corrugated tube (16); S4. Fix the upper fixing frame (7) and the lower fixing frame (8) to the two ends of the square tube body (1), so that the two ends of the corrugated tube (16) extend through the upper and lower groups of the semicircular grooves (11), and the upper and lower groups of the semicircular grooves (11) are stuck in the corresponding gap grooves (162).

Images