An integral insulating wrist-arm device

Abstract

An integral insulating wrist device, a flat wrist, an oblique wrist, a positioning tube, a wrist support and a positioning tube support, a wrist connector, a positioning tube connector and a load-bearing cable seat connector; the flat wrist, oblique wrist, positioning tube, wrist support and positioning tube support are all non-metallic tubes; the wrist connector, positioning tube connector and load-bearing cable seat connector are all non-metallic structures; the wrist connector, positioning tube connector and load-bearing cable seat connector are all hoop structures, the left end of the flat wrist is fixed with the wrist connector, and the right end is fixed with the load-bearing cable seat connector; the lower end of the oblique wrist is fixed with the positioning tube connector, the upper end of the wrist support is fixedly connected to the wrist connector, and the lower end is fixedly connected to the positioning tube connector; the upper end of the oblique wrist is fixedly connected to the load-bearing cable seat connector; the left end of the positioning tube is fixedly connected to the positioning tube connector. The present invention adopts non-metallic materials as a whole, greatly improves the electrical insulation performance of the contact network, and reduces grounding faults.

Description

Technical Field

[0001] The invention belongs to the technical field of electrified railway contact network, and in particular relates to an integral insulating wrist arm device. 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, and the connecting parts are made of non-metallic materials, which can greatly improve the electrical performance of the suspension device, increase the wet flashover voltage, and improve the level of the contact network safety protection system. However, its arm connection method still uses traditional connection hardware, which contains 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 an integral insulating wrist-arm device to overcome the deficiencies of the prior art.

[0004] The technical solution adopted by the present invention is: an integral insulating wrist device, including a flat wrist, an oblique wrist, a positioning tube, a wrist support and a positioning tube support, a wrist connector, a positioning tube connector and a load-bearing cable seat connector;

[0005] The flat wrist arm, oblique wrist arm, positioning tube, wrist arm support and positioning tube support are all non-metallic tubes; the wrist arm connector, positioning tube connector and load-bearing cable seat connector are all non-metallic structures;

[0006] The wrist arm connector includes a main clamping hoop 1 and a secondary clamping hoop 1 connected to the main clamping hoop 1; the positioning tube connector includes a main clamping hoop 2, and the two sides of the main clamping hoop 2 are respectively connected to the secondary clamping hoop 2 and the horizontal clamping hoop; the load-bearing cable seat connector includes a main clamping hoop 3 and a secondary clamping hoop 3 connected to the main clamping hoop 3;

[0007] The left end of the flat wrist arm is fixed with a wrist arm connector through a main clamp set one, and the right end is fixed with a load-bearing cable seat connector through a main clamp set three; the lower end of the oblique wrist arm is fixed with a positioning tube connector through a main clamp set two, the upper end of the wrist arm support is fixedly connected to the wrist arm connector through a secondary clamp set one, and the lower end is fixedly connected to the positioning tube connector through a secondary clamp set two; the upper end of the oblique wrist arm is fixedly connected to the load-bearing cable seat connector through a secondary clamp set three; the left end of the positioning tube is fixedly connected to the positioning tube connector through a horizontal clamp.

[0008] The upper end of the oblique wrist arm is fixed with a wrist arm connector through a main clamp set, and the right end of the positioning tube is fixed with a wrist arm connector through a main clamp set; the upper end of the positioning tube support is fixedly connected to the wrist arm connector located at the upper end of the oblique wrist arm through an auxiliary clamp set, and the lower end is fixedly connected to the wrist arm connector located at the right end of the positioning tube through an auxiliary clamp set.

[0009] The right end of the flat wrist arm is fixed with a wrist arm connector through a main clamp set, and the wrist arm connector is located on the right side of the load-bearing cable seat connector; the right end of the positioning tube is fixed with a wrist arm connector through a main clamp set; the upper end of the positioning tube support is fixedly connected to the wrist arm connector located at the right end of the flat wrist arm through a secondary clamp set, and the lower end is fixedly connected to the wrist arm connector located at the right end of the positioning tube through a secondary clamp set.

[0010] The flat wrist arm, oblique wrist arm, positioning tube, wrist arm support and positioning tube support all have external threads on their outer circumferences; the main clamp 1, auxiliary clamp 1, main clamp 2, auxiliary clamp 2, horizontal clamp, main clamp 3 and auxiliary clamp 3 all have internal threads on their inner walls.

[0011] The wrist-arm connector comprises a left half hoop body 1 and a right half hoop body 1 which are arranged opposite to each other, and the opposite surfaces of the left half hoop body 1 and the right half hoop body 1 are provided with an arc-shaped hook head 1, a transverse semicircular groove 1 and a vertical or oblique semicircular groove 1 in sequence from top to bottom; the inner surfaces of the transverse semicircular groove 1 and the vertical or oblique semicircular groove 1 are provided with the internal threads arranged along the circumference thereof respectively;

[0012] After the left half hoop body 1 and the right half hoop body 1 are buckled together, the upper ends are connected by an arc-shaped hook head 1, and the lower ends are connected and fixed by an outer sleeve locking sleeve, and then a main hoop 1 is formed by two horizontal semicircular grooves 1, and an auxiliary hoop 1 is formed by two vertical or oblique semicircular grooves 1.

[0013] The positioning pipe connector comprises 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 inclined semicircular groove 1, inclined semicircular groove 2 and horizontal semicircular groove 1 in sequence from top to bottom; the inner surfaces of the inclined semicircular groove 1, inclined semicircular groove 2 and horizontal semicircular groove 1 are respectively provided with the internal threads arranged along the circumference thereof;

[0014] 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 1 are respectively connected and fixed by the outer locking sleeve, so that the main hoop 2 is formed by the two inclined semicircular grooves 2, the auxiliary hoop 2 is formed by the two inclined semicircular grooves 1, and the horizontal hoop is formed by the two horizontal semicircular grooves 1.

[0015] The load-bearing cable seat connector comprises a left half hoop body 2 and a right half hoop body 2 which are arranged opposite to each other, and the opposite surfaces of the left half hoop body 2 and the right half hoop body 2 are provided with an arc-shaped hook head 2, a horizontal semicircular groove 2 and an inclined semicircular groove 3 from top to bottom in sequence; the inner surfaces of the horizontal semicircular groove 2 and the inclined semicircular groove 3 are respectively provided with the internal threads arranged along the circumference thereof; the top of the arc-shaped hook head 2 at the upper end of the left half hoop body 2 is provided with a load-bearing cable seat installation platform;

[0016] After the left half hoop body 2 and the right half hoop body 2 are buckled together, the upper ends are connected by an arc-shaped hook head 2, and the lower ends are connected and fixed by an outer locking sleeve, and then a main hoop 3 is formed by two horizontal semicircular grooves 2, and an auxiliary hoop 3 is formed by two inclined semicircular grooves 3.

[0017] Rib plates are provided in the inner cavities of the flat wrist arm, the oblique wrist arm, the positioning tube, the wrist arm support and the positioning tube support.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. 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.

[0020] 2. The wrist arm tube of the present invention has external threads, which nearly doubles the creepage distance and improves the electrical insulation safety level; at the same time, a continuous water film will not form on the surface of the external threads under severe weather conditions, reducing the probability of flashover.

[0021] 3. The wrist arm connector, positioning tube connector and load-bearing cable seat connector of the present invention all adopt a non-metallic clamp structure and a non-bolt connection method, which saves labor costs and time costs for installation and maintenance, and improves the efficiency of construction and operation maintenance.

[0022] 4. The inner surfaces of the wrist arm connector, the positioning tube connector and the load-bearing cable seat connector of the present invention are provided with internal threads, and when connected with the wrist arm tube, the internal threads engage with the external threads on the surface of the wrist arm tube, effectively preventing the connector from axial slippage. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural diagram of the first embodiment of the present invention;

[0024] Figure 2 is a schematic structural diagram of a second embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the flat wrist arm, the oblique wrist arm, the positioning tube, the wrist arm support and the positioning tube support of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the load-bearing cable seat connector of the present invention;

[0027] Figure 5 It is a structural schematic diagram of the second left half hoop body of the load-bearing cable seat connector of the present invention;

[0028] Figure 6 It is a schematic diagram of the second structure of the right half hoop body of the load-bearing cable seat connector of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the positioning tube connector of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the half hoop body of the positioning pipe connector of the present invention;

[0031] Fig. 9 It is a schematic diagram of the structure of the wrist-arm connector of the present invention;

[0032] Fig.10 It is a structural schematic diagram of the left half of the hoop body of the wrist arm connector of the present invention;

[0033] Fig.11 It is a structural schematic diagram of the right half of the clamp body of the wrist arm connector of the present invention. DETAILED DESCRIPTION

[0034] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Embodiment 1, combination Figure 1 , 3 , 4, 5, 6, 7, 8, 9, 10, and 11 are explained in detail.

[0036] An integral insulating wrist device, comprising a flat wrist 1, an oblique wrist 2, a positioning tube 3, a wrist support 9 and a positioning tube support 10, a wrist connector 4, a positioning tube connector 5 and a load-bearing cable seat connector 6; the flat wrist 1, the oblique wrist 2, the positioning tube 3, the wrist support 9 and the positioning tube support 10 are all non-metallic tubes; the wrist connector 4, the positioning tube connector 5 and the load-bearing cable seat connector 6 are all non-metallic structures.

[0037] The wrist arm connector 4 includes a main clamp 1 41 and a secondary clamp 1 42 connected to the main clamp 1 41; the positioning tube connector 5 includes a main clamp 2 51, and the two sides of the main clamp 2 51 are respectively connected to the secondary clamp 2 52 and the horizontal clamp 53; the load-bearing cable seat connector 6 includes a main clamp 3 61 and a secondary clamp 3 62 connected to the main clamp 3 61;

[0038] The outer peripheries of the flat arm 1, the oblique arm 2, the positioning tube 3, the arm support 9 and the positioning tube support 10 are all provided with external threads 7; the inner walls of the main clamp 1 41, the auxiliary clamp 1 42, the main clamp 2 51, the auxiliary clamp 2 52, the horizontal clamp 53, the main clamp 3 61 and the auxiliary clamp 3 62 are all provided with internal threads 8. The external threads 7 and the internal threads 8 are engaged with each other to prevent the arm connector 4, the positioning tube connector 5 and the load-bearing cable seat connector 6 from slipping.

[0039] The left end of the flat wrist arm 1 is fixed with the wrist arm connector 4 through the main clamp 1 41, and the right end is fixed with the load-bearing cable seat connector 6 through the main clamp 3 61; the lower end of the oblique wrist arm 2 is fixed with the positioning tube connector 5 through the main clamp 2 51, the upper end of the wrist arm support 9 is fixedly connected to the wrist arm connector 4 through the auxiliary clamp 1 42, and the lower end is fixedly connected to the positioning tube connector 5 through the auxiliary clamp 2 52; the upper end of the oblique wrist arm 2 is fixedly connected to the load-bearing cable seat connector 6 through the auxiliary clamp 3 62; the left end of the positioning tube 3 is fixedly connected to the positioning tube connector 5 through the horizontal clamp 53.

[0040] The upper end of the oblique wrist arm 2 is fixed with a wrist arm connector 4 through a main clamp 41, and the right end of the positioning tube 3 is fixed with a wrist arm connector 4 through a main clamp 41; the upper end of the positioning tube support 10 is fixedly connected to the wrist arm connector 4 located at the upper end of the oblique wrist arm 2 through a secondary clamp 42, and the lower end is fixedly connected to the wrist arm connector 4 located at the right end of the positioning tube 3 through a secondary clamp 42.

[0041] The wrist-arm connector 4 comprises a left half hoop body 43 and a right half hoop body 44 which are arranged opposite to each other. The opposite surfaces of the left half hoop body 43 and the right half hoop body 44 are provided with an arc hook 45, a transverse semicircular groove 46 and a vertical or oblique semicircular groove 47 from top to bottom in sequence; the inner surfaces of the transverse semicircular groove 46 and the vertical or oblique semicircular groove 47 are provided with the internal thread 8 arranged along the circumference thereof respectively; after the left half hoop body 43 and the right half hoop body 44 are buckled together, the upper ends are connected by the arc hook 45, and the lower ends are connected and fixed by the outer sleeve locking sleeve 11, thereby forming a main hoop 41 through two transverse semicircular grooves 46, and forming an auxiliary hoop 42 through two vertical or oblique semicircular grooves 47.

[0042] The positioning pipe connector 5 includes two relatively arranged half-hoop bodies 54 with the same structure, and the opposite surfaces of the two half-hoop bodies 54 are provided with an inclined semicircular groove 55, an inclined semicircular groove 56 and a horizontal semicircular groove 57 from top to bottom in sequence; the inner surfaces of the inclined semicircular groove 55, the inclined semicircular groove 56 and the horizontal semicircular groove 57 are respectively provided with the internal thread 8 arranged along their circumference; after the two half-hoop bodies 54 are buckled together, the ends of the two inclined semicircular grooves 55 and the ends of the two horizontal semicircular grooves 57 are respectively connected and fixed by the outer sleeve locking sleeve 11, and then the main hoop 2 51 is formed by the two inclined semicircular grooves 56, the auxiliary hoop 2 52 is formed by the two inclined semicircular grooves 55, and the horizontal hoop 53 is formed by the two horizontal semicircular grooves 57.

[0043] The load-bearing cable seat connector 6 includes a left half hoop body 2 63 and a right half hoop body 2 64 which are arranged opposite to each other. The opposite surfaces of the left half hoop body 2 63 and the right half hoop body 2 64 are provided with an arc hook head 2 65, a horizontal semicircular groove 2 66 and an inclined semicircular groove 3 67 from top to bottom in sequence; the inner surfaces of the horizontal semicircular groove 2 66 and the inclined semicircular groove 3 67 are respectively provided with the internal threads 8 arranged along their circumferences; the top of the arc hook head 2 65 at the upper end of the left half hoop body 2 63 is provided with a load-bearing cable seat mounting platform 12; after the left half hoop body 2 63 and the right half hoop body 2 64 are buckled together, the upper ends are connected by the arc hook head 2 65, and the lower ends are connected and fixed by the outer sleeve locking sleeve 11, thereby forming a main hoop 3 61 through two horizontal semicircular grooves 2 66, and forming an auxiliary hoop 3 62 through two inclined semicircular grooves 3 67.

[0044] In order to improve the strength and rigidity, rib plates 13 are provided in the inner cavities of the flat arm 1 , the oblique arm 2 , the positioning tube 3 , the arm support 9 and the positioning tube support 10 .

[0045] The arc-shaped hook head 1 45 and the arc-shaped hook head 2 65 are preferably C-shaped hook heads, and the C-shaped hook head at the upper end of the right half hoop body is inserted into the C-shaped hook head at the upper end of the left half hoop body.

[0046] During installation and use, the inner ends of the flat arm 1 and the oblique arm 2 are respectively connected to the column 15 through the connecting hardware 14 to form a triangular support structure, and then the load-bearing cable seat 16 is installed on the top of the load-bearing cable seat installation platform 12, and the positioner 17 is positively installed on the positioning tube 3. The load-bearing cable is clamped by the load-bearing cable seat 16, and the contact line is clamped by the positioner 17.

[0047] Embodiment 2, combined Figure 2 , 3 , 4, 5, 6, 7, 8, 9, 10, and 11 are explained in detail.

[0048] The basic structure is the same as that of Example 1, except that: the right end of the flat arm 1 is fixed with the arm connector 4 through a main clamp 41, and the arm connector 4 is located on the right side of the load-bearing cable seat connector 6; the right end of the positioning tube 3 is fixed with the arm connector 4 through a main clamp 41; the upper end of the positioning tube support 10 is fixedly connected to the arm connector 4 located at the right end of the flat arm 1 through a secondary clamp 42, and the lower end is fixedly connected to the arm connector 4 located at the right end of the positioning tube 3 through a secondary clamp 42.

[0049] During installation and use, the inner ends of the flat arm 1 and the oblique arm 2 are respectively connected to the column 15 through the connecting hardware 14 to form a triangular support structure, and then the load-bearing cable seat 16 is installed on the top of the load-bearing cable seat installation platform 12, and the positioner 17 is installed in reverse on the positioning tube 3. The load-bearing cable is clamped by the load-bearing cable seat 16, and the contact line is clamped by the positioner 17.

[0050] 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. An integral insulating wrist-arm device, characterized in that: It comprises a flat wrist arm (1), an oblique wrist arm (2), a positioning tube (3), a wrist arm support (9), a positioning tube support (10), a wrist arm connector (4), a positioning tube connector (5), and a load-bearing cable seat connector (6); the flat wrist arm (1), the oblique wrist arm (2), the positioning tube (3), the wrist arm support (9), and the positioning tube support (10) are all provided with external threads (7) on their outer circumferences; The flat wrist arm (1), the oblique wrist arm (2), the positioning tube (3), the wrist arm support (9) and the positioning tube support (10) are all non-metallic tubes; the wrist arm connector (4), the positioning tube connector (5) and the load-bearing cable seat connector (6) are all non-metallic structures; the wrist arm connector (4) comprises a main clamping hoop (41) and a secondary clamping hoop (42) connected to the main clamping hoop (41); the positioning tube connector (5) comprises a main clamping hoop (51), the main clamping hoop (52) and the secondary clamping hoop (42) connected to the main clamping hoop (41); The two sides of the hoop 2 (51) are respectively connected to the auxiliary hoop 2 (52) and the horizontal hoop (53); the load-bearing cable seat connector (6) comprises a main hoop 3 (61) and an auxiliary hoop 3 (62) connected to the main hoop 3 (61); the inner walls of the main hoop 1 (41), the auxiliary hoop 1 (42), the main hoop 2 (51), the auxiliary hoop 2 (52), the horizontal hoop (53), the main hoop 3 (61), and the auxiliary hoop 3 (62) are all provided with internal threads (8); The left end of the flat wrist arm (1) is fixedly provided with a wrist arm connector (4) through a main clamping hoop 1 (41), and the right end is fixedly provided with a load-bearing cable seat connector (6) through a main clamping hoop 3 (61); the lower end of the oblique wrist arm (2) is fixedly provided with a positioning tube connector (5) through a main clamping hoop 2 (51); the upper end of the wrist arm support (9) is fixedly connected to the wrist arm connector (4) through a secondary clamping hoop 1 (42), and the lower end is fixedly connected to the positioning tube connector (5) through a secondary clamping hoop 2 (52); the upper end of the oblique wrist arm (2) is fixedly connected to the load-bearing cable seat connector (6) through a secondary clamping hoop 3 (62); the left end of the positioning tube (3) is fixedly connected to the positioning tube connector (5) through a horizontal clamping hoop (53); The load-bearing cable seat connector (6) comprises a left half hoop body (63) and a right half hoop body (64) which are arranged opposite to each other. The opposite surfaces of the left half hoop body (63) and the right half hoop body (64) are provided with an arc-shaped hook head (65), a horizontal semicircular groove (66) and an inclined semicircular groove (67) from top to bottom in sequence. The inner surfaces of the horizontal semicircular groove (66) and the inclined semicircular groove (67) are provided with the internal threads (8) arranged along their circumferences respectively. The top of the arc-shaped hook head (65) at the upper end of the left half hoop body (63) is provided with a load-bearing cable seat mounting platform (12). After the left half clamp body 2 (63) and the right half clamp body 2 (64) are buckled together, the upper ends are connected by arc-shaped hook heads 2 (65), and the lower ends are connected and fixed by a peripheral locking sleeve (11), and then the main clamp body 3 (61) is formed by two horizontal semicircular grooves 2 (66), and the auxiliary clamp body 3 (62) is formed by two inclined semicircular grooves 3 (67).

2. The integral insulating arm device according to claim 1, characterized in that: The upper end of the oblique arm (2) is fixedly provided with an arm connector (4) by means of a main clamp (41), and the right end of the positioning tube (3) is fixedly provided with an arm connector (4) by means of a main clamp (41); the upper end of the positioning tube support (10) is fixedly connected to the arm connector (4) at the upper end of the oblique arm (2) by means of a secondary clamp (42), and the lower end is fixedly connected to the arm connector (4) at the right end of the positioning tube (3) by means of a secondary clamp (42).

3. The integral insulating arm device according to claim 1, characterized in that: The right end of the flat arm (1) is fixedly provided with an arm connector (4) by means of a main clamp (41), and the arm connector (4) is located on the right side of the load-bearing cable seat connector (6); the right end of the positioning tube (3) is fixedly provided with an arm connector (4) by means of a main clamp (41); the upper end of the positioning tube support (10) is fixedly connected to the arm connector (4) located at the right end of the flat arm (1) by means of a secondary clamp (42), and the lower end is fixedly connected to the arm connector (4) located at the right end of the positioning tube (3) by means of a secondary clamp (42).

4. The integral insulating arm device according to claim 1, characterized in that: The wrist-arm connector (4) comprises a left half hoop body (43) and a right half hoop body (44) arranged opposite to each other, wherein the opposite surfaces of the left half hoop body (43) and the right half hoop body (44) are provided with an arc-shaped hook head (45), a transverse semicircular groove (46) and a vertical or oblique semicircular groove (47) in sequence from top to bottom; the inner surfaces of the transverse semicircular groove (46) and the vertical or oblique semicircular groove (47) are provided with the internal threads (8) arranged along the circumference thereof; After the left half hoop body (43) and the right half hoop body (44) are buckled together, the upper ends are connected by an arc-shaped hook head (45) and the lower ends are connected and fixed by a peripheral locking sleeve (11), and then a main hoop (41) is formed by two transverse semicircular grooves (46), and an auxiliary hoop (42) is formed by two vertical or oblique semicircular grooves (47).

5. The integral insulating arm device according to claim 1, characterized in that: The positioning pipe connector (5) comprises two half-hoop bodies (54) which are arranged opposite to each other and have the same structure. The opposite surfaces of the two half-hoop bodies (54) are provided with an inclined semicircular groove 1 (55), an inclined semicircular groove 2 (56) and a horizontal semicircular groove 1 (57) in sequence from top to bottom. The inner surfaces of the inclined semicircular groove 1 (55), the inclined semicircular groove 2 (56) and the horizontal semicircular groove 1 (57) are provided with the internal threads (8) arranged along the circumference thereof. After the two half hoop bodies (54) are buckled together, the ends of the two inclined semicircular grooves (55) and the ends of the two horizontal semicircular grooves (57) are respectively connected and fixed by peripherally mounted locking sleeves (11), thereby forming a main hoop (51) through the two inclined semicircular grooves (56), forming a secondary hoop (52) through the two inclined semicircular grooves (55), and forming a horizontal hoop (53) through the two horizontal semicircular grooves (57).

6. The integral insulating arm device according to claim 1, characterized in that: Rib plates (13) are provided in the inner cavities of the flat wrist arm (1), the oblique wrist arm (2), the positioning tube (3), the wrist arm support (9) and the positioning tube support (10).

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