A non-metallic positioning pipe connector

Abstract

A non-metallic positioning pipe connector comprises two half-hoop bodies which are arranged oppositely and have the same structure, wherein the opposite surfaces of the two half-hoop bodies are provided with an inclined semicircular groove 1, an inclined semicircular groove 2 and a horizontal semicircular groove from top to bottom; after the two half-hoop bodies are buckled together, the ends of the two inclined semicircular grooves 1 and the ends of the two horizontal semicircular grooves are respectively connected and fixed by peripherally mounted locking sleeves, thereby forming a main hoop through the two inclined semicircular grooves 2, forming a secondary hoop through the two inclined semicircular grooves 1, and forming a horizontal hoop through the two horizontal semicircular grooves. The present invention adopts a three-hoop structure and a non-bolt secondary connection method, has a simple structure, is quick and convenient to install, and improves the efficiency of construction and operation and maintenance.

Description

Technical Field

[0001] The invention belongs to the technical field of electrified railway contact network components, and in particular relates to a non-metallic positioning pipe connector. Background Art

[0002] Lightweighting of the contact network and improving the design level of electrical performance are the development direction of rail transit equipment. The prior art closest to the present invention is the "insulated contact network suspension device CN202753803U", which is mainly characterized by the horizontal arm, oblique arm, arm support rod, load-bearing wire clamp, positioning tube and positioner in the suspension device are all made of non-metallic materials; the insulator with a concave and convex outer surface used in conventional technology is eliminated, and each arm supported by non-metallic materials is replaced. These can greatly improve the electrical performance of the suspension device, make the wet flashover voltage high, and improve the level of the contact network safety protection system. However, its arm connection method still uses traditional connection hardware, including more bolt pair parts, and uses bolt pairs to apply tightening torque to prevent axial slippage. For rail transit operating units, the contact network inspection work is mainly to check whether the bolt pair is loose. Therefore, its installation and maintenance will cost huge manpower and time costs. In addition, the patent still uses traditional connection hardware, which has the defects of increasing the weight of the arm and reducing the electrical insulation performance. Summary of the invention

[0003] The invention provides a non-metallic positioning pipe connector to overcome the deficiencies of the prior art.

[0004] The technical solution adopted by the present invention is: a non-metallic positioning pipe connector, comprising two half-hoop bodies which are arranged oppositely and have the same structure, and the opposite surfaces of the two half-hoop bodies are provided with an inclined semicircular groove 1, an inclined semicircular groove 2 and a horizontal semicircular groove from top to bottom;

[0005] After the two half hoop bodies are buckled together, the ends of the two inclined semicircular grooves 1 and the ends of the two horizontal semicircular grooves are respectively connected and fixed by the outer locking sleeves, so that the main hoop is formed by the two inclined semicircular grooves 2, the auxiliary hoop is formed by the two inclined semicircular grooves 1, and the horizontal hoop is formed by the two horizontal semicircular grooves.

[0006] The inclined semicircular groove 1 is located on the upper side of the inclined semicircular groove 2 and intersects with the inclined semicircular groove 2, and the horizontal semicircular groove is located on the lower side of the inclined semicircular groove 2 and intersects with the inclined semicircular groove 2.

[0007] The two half hoop bodies are located on the opposite surfaces of the inclined semicircular groove 1 and the horizontal semicircular groove on both sides and on the opposite surfaces on the upper side of the inclined semicircular groove 2, and correspondingly have positioning protrusions and positioning grooves, and the positioning protrusions are embedded in the positioning grooves.

[0008] The positioning groove is a wedge-shaped groove, and the positioning protrusion is a wedge-shaped protrusion matching the wedge-shaped groove.

[0009] The outer wall ends of the two half clamp bodies located at the outer end of the auxiliary clamp and the outer wall ends located at the outer end of the horizontal clamp are both provided with locking grooves, and the inner wall of the inner end of the locking sleeve is provided with a locking platform, and the locking platform is clamped on the locking groove.

[0010] The locking groove is composed of an insertion groove and a clamping groove connected to one side of the insertion groove, and an anti-loosening groove is provided at the outer end of the clamping groove, and an anti-loosening platform is provided at the inner end of the locking platform. After the locking sleeve is aligned with the insertion groove through the locking platform and sleeved on the outer walls of the two half clamp bodies, the locking sleeve is rotated so that the locking platform is clamped in the clamping groove and the anti-loosening platform is clamped in the anti-loosening groove.

[0011] The inner surfaces of the inclined semicircular groove 1, the inclined semicircular groove 2 and the horizontal semicircular groove respectively have the internal threads arranged along their circumferences.

[0012] Grid reinforcement ribs are arranged on the outer walls of the two half hoop bodies.

[0013] The outer end of the locking sleeve is provided with a square boss.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention adopts a three-hoop structure and a non-bolt connection method, which has a simple structure, is quick and convenient to install, and improves the efficiency of construction and operation and maintenance.

[0016] 2. The present invention adopts non-metallic materials as a whole, which is light in weight and has a high level of electrical insulation performance, which greatly improves the electrical insulation performance and lightning protection level of the contact network and reduces grounding faults.

[0017] 3. The inner surfaces of the three-hoop structure of the present invention are all provided with internal threads, which can effectively prevent axial slippage.

[0018] 4. The connection method of the locking sleeve of the present invention not only locks reliably, but also effectively prevents loosening and slipping during use.

[0019] 5. The outer surface of the present invention is provided with grid reinforcement ribs, which ensures the structural strength while effectively reducing the weight. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the left half hoop body of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the right half hoop body of the present invention;

[0023] Figure 4 It is a schematic diagram of the connection structure between the locking sleeve and the left and right half hoop bodies of the present invention;

[0024] Figure 5 yes Figure 4 A partial enlarged schematic diagram in the middle;

[0025] Figure 6 It is a schematic diagram of the use status of the present invention. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-6 The present invention is described in detail with specific embodiments.

[0027] A non-metallic positioning pipe connector, comprising two half-hoop bodies 1 arranged opposite to each other and having the same structure, wherein the opposite surfaces of the two half-hoop bodies 1 are provided with an inclined semicircular groove 1 2, an inclined semicircular groove 2 3 and a horizontal semicircular groove 4 from top to bottom;

[0028] The inclined semicircular groove 1 2 is located on the upper side of the inclined semicircular groove 2 3 and intersects with the inclined semicircular groove 2 3, and the horizontal semicircular groove 4 is located on the lower side of the inclined semicircular groove 2 3 and intersects with the inclined semicircular groove 2 3;

[0029] After the two half hoop bodies 1 are buckled together, the ends of the two inclined semicircular grooves 2 and the ends of the two horizontal semicircular grooves 4 are respectively connected and fixed by the outer locking sleeve 5, and then the main hoop 6 is formed by the two inclined semicircular grooves 2, the auxiliary hoop 7 is formed by the two inclined semicircular grooves 1, and the horizontal hoop 8 is formed by the two horizontal semicircular grooves 4.

[0030] In order to ensure that the left and right half hoop bodies are accurately positioned after being buckled, the two half hoop bodies 1 are located on the opposite surfaces on both sides of the inclined semicircular groove 1 2 and the horizontal semicircular groove 4 and on the opposite surfaces on the upper side of the inclined semicircular groove 2 3, and the positioning protrusions 9 and positioning grooves 10 are correspondingly provided, and the positioning protrusions 9 are embedded in the positioning grooves 10.

[0031] The positioning groove 10 is preferably a wedge-shaped groove, and the positioning protrusion 9 is preferably a wedge-shaped protrusion matching the wedge-shaped groove.

[0032] In order to ensure that the locking sleeve 5 is locked reliably and will not fall back and loosen, the outer wall ends of the two half hoop bodies 1 located at the outer end of the auxiliary hoop 7 and the outer wall ends located at the outer end of the horizontal hoop 8 are both provided with locking grooves 11, and the inner wall of the inner end of the locking sleeve 5 is provided with a locking platform 12, and the locking platform 12 is clamped on the locking groove 11. The locking groove 11 is composed of an insertion groove 11-1 and a clamping groove 11-2 connected to one side of the insertion groove 11-1, and the outer end of the clamping groove 11-2 is provided with an anti-loosening groove 11-3, and the inner end of the locking platform 12 is provided with an anti-loosening platform 12-1. After the locking sleeve 5 is aligned with the insertion groove 11-1 by the locking platform 12 and is sleeved on the outer walls of the two half hoop bodies 1, the locking sleeve 5 is rotated so that the locking platform 12 is clamped into the clamping groove 11-2 and the anti-loosening platform 12-1 is clamped into the anti-loosening groove 11-3.

[0033] In order to effectively prevent the connector from axially sliding, the inner surfaces of the inclined semicircular groove 1 2 , the inclined semicircular groove 2 3 and the horizontal semicircular groove 4 respectively have the internal threads 13 arranged along their circumferences.

[0034] In order to reduce the weight of the left and right half hoop bodies while ensuring their strength, mesh reinforcement ribs 14 are provided on the outer walls of the two half hoop bodies 1 .

[0035] In order to facilitate the tightening of the locking sleeve, a square boss 15 is provided at the outer end of the locking sleeve 5. The locking sleeve can be rotated and tightened by clamping a wrench on the outer periphery of the square boss 15.

[0036] The two halves of the clamp body 1 and the locking sleeve 5 are preferably molded from glass fiber insulation composite materials.

[0037] The present invention is mainly used for connecting the oblique wrist arm 16 with the oblique support 17 and the positioning tube 18 in the wrist arm device ( Figure 6 ), when connected, it is fixedly connected to the oblique wrist arm 16 through the main clamp 6, fixedly connected to the oblique support 17 through the auxiliary clamp 7, and fixedly connected to the positioning tube 18 through the horizontal clamp 8.

[0038] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A non-metallic wrist arm connector, characterized in that: The invention comprises two half-hoop bodies (1) which are arranged oppositely and have the same structure. The two half-hoop bodies (1) have an inclined semicircular groove 1 (2), an inclined semicircular groove 2 (3) and a horizontal semicircular groove (4) on their opposite surfaces from top to bottom. After the two half-hoop bodies (1) are buckled together, the ends of the two inclined semicircular grooves 1 (2) and the ends of the two horizontal semicircular grooves (4) are respectively connected and fixed by peripherally mounted locking sleeves (5), thereby forming a main hoop (6) through the two inclined semicircular grooves 2 (3), forming a secondary hoop (7) through the two inclined semicircular grooves 1 (2), and forming a horizontal hoop (8) through the two horizontal semicircular grooves (4). The outer wall ends of the two half hoop bodies (1) located at the outer end of the auxiliary hoop (7) and the outer wall ends located at the outer end of the horizontal hoop (8) are both provided with locking grooves (11); the inner wall of the inner end of the locking sleeve (5) is provided with a locking platform (12), and the locking platform (12) is clamped on the locking groove (11); the locking groove (11) is composed of an insertion groove (11-1) and a clamping groove (11-2) connected to one side of the insertion groove (11-1), and the clamping groove (11-2) is connected to the outer wall of the horizontal hoop (8). The outer end of the clamp (11-2) is provided with an anti-loosening groove (11-3), the inner end of the locking platform (12) is provided with an anti-loosening platform (12-1), and after the locking sleeve (5) is inserted into the outer wall of the two half clamp bodies (1) by aligning the locking platform (12) with the insertion groove (11-1), the locking sleeve (5) is rotated so that the locking platform (12) is inserted into the locking groove (11-2) and the anti-loosening platform (12-1) is inserted into the anti-loosening groove (11-3).

2. A non-metallic wrist-arm connector according to claim 1, characterized in that: The inclined semicircular groove one (2) is located on the upper side of the inclined semicircular groove two (3) and intersects with the inclined semicircular groove two (3), and the horizontal semicircular groove (4) is located on the lower side of the inclined semicircular groove two (3) and intersects with the inclined semicircular groove two (3).

3. The non-metallic wrist-arm connector according to claim 1, characterized in that: The two half hoop bodies (1) are provided with positioning protrusions (9) and positioning grooves (10) on the opposite surfaces on both sides of the inclined semicircular groove 1 (2) and the horizontal semicircular groove (4) and on the opposite surfaces on the upper side of the inclined semicircular groove 2 (3), and the positioning protrusions (9) are embedded in the positioning grooves (10).

4. A non-metallic wrist-arm connector according to claim 3, characterized in that: The positioning groove (10) is a wedge-shaped groove, and the positioning protrusion (9) is a wedge-shaped protrusion matching the wedge-shaped groove.

5. The non-metallic wrist-arm connector according to claim 1, characterized in that: The inner surfaces of the inclined semicircular groove 1 (2), the inclined semicircular groove 2 (3) and the horizontal semicircular groove (4) respectively have internal threads (13) arranged along their circumferences.

6. A non-metallic wrist-arm connector according to claim 5, characterized in that: Grid reinforcement ribs (14) are provided on the outer walls of the two half hoop bodies (1).

7. A non-metallic wrist-arm connector according to claim 6, characterized in that: The outer end of the locking sleeve (5) is provided with a square boss (15).

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