Insulating telescopic rod for pipe shaft

Abstract

The insulating telescopic rod comprises an insulating connecting rod, a connector and a telescopic operating rod, a fixing seat comprises a first fixing seat and a second fixing seat, two guide wheels are arranged on the first fixing seat, a guide wheel and a detection device are arranged on the second fixing seat, a sliding groove is formed in the bottom of the fixing rod, and a telescopic rod is arranged in the sliding groove. A pull ring connected with the telescopic rod is arranged in the sliding groove, one end of a traction rope sequentially penetrates through the guide wheels of the first fixing base and the second fixing base, then penetrates out of the guide wheel on the upper side of the first fixing base after penetrating and winding the pull ring, and the trend is fixed through a limiting connecting base on the first insulation connecting rod. Through the guide wheel on the insulation connecting rod, the traction rope is pulled in the direction of the insulation connecting rod to enable the telescopic operating rod to stretch out and draw back in the vertical direction, when the telescopic operating rod is placed in a pipeline well for use, the telescopic operating rod is parallel to a pipeline, and the insulation connecting rod is parallel to the wellhead direction, so that the traction rope can be pulled outside the wellhead; and hot-line work detection operation in the pipeline is realized.

Description

Technical Field

[0001] The patent of the present invention belongs to the field of circuit maintenance technology, and in particular relates to a retractable and operable electric insulating connecting rod used in a pipeline well. Background Art

[0002] The power insulating connecting rod is an insulating tool specially used in the power system. It is mainly used for live working, live maintenance and live maintenance work tools to protect the construction safety of power workers.

[0003] Electric power maintenance personnel need to regularly enter underground cable transmission pipelines for inspection or maintenance work. However, waste gases such as hydrogen sulfide produced in the pipelines due to long-term lack of air circulation can pose a life-threatening risk to relevant personnel. Therefore, retractable insulating connecting rods are needed to perform contactless operations on underground equipment.

[0004] Since the existing pipeline well consists of a vertical wellhead portion and a horizontal pipeline portion, and the existing retractable insulating connecting rod can only be retracted in the horizontal direction, it brings inconvenience to the live working in the pipeline well. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides an insulating telescopic rod for a pipeline well, which is used for telescopic live working in the pipeline well.

[0006] The technical solution adopted by the patent of the present invention to solve its technical problems is: an insulating telescopic rod for a pipeline well, including an insulating connecting rod and a telescopic operating rod connected to the insulating connecting rod through a connecting head, the telescopic operating rod includes a fixed rod and a telescopic rod inserted into the fixed rod, the fixed seat includes a first fixed seat and a second fixed seat respectively fixed on the fixed rod and the insulating connecting rod, two guide wheels are installed side by side on the first fixed seat, and a guide wheel and a detection device are installed on the second fixed seat. A slide groove is opened at the bottom of the fixed rod, and a pull ring connected to the telescopic rod is arranged in the slide groove. After one end of the traction rope is successively inserted into the lower guide wheel of the first fixed seat and the upper guide wheel of the second fixed seat, it is passed through the pull ring and then passed out from the upper guide wheel of the first fixed seat.

[0007] The insulating telescopic rod for a pipeline well, wherein the insulating connecting rod is composed of a first connecting rod and a second connecting rod composed of epoxy resin tubes, and corresponding ends of two adjacent epoxy resin tubes are respectively provided with threaded parts and threaded sleeves.

[0008] The insulating telescopic rod for a pipeline well has a second fixing seat installed on the first connecting rod, a third fixing seat is also installed on the second connecting rod, and a guide wheel is installed on the third fixing seat.

[0009] The insulating telescopic rod for a pipeline well has a fixed rod and a telescopic rod with circular or square cross sections.

[0010] The insulating telescopic rod for a pipeline well has a connecting head which is an L-shaped connecting head for fixedly connecting two sleeves or a universal joint for movably connecting two sleeves.

[0011] The detection device of the insulating telescopic rod for a pipeline well is a camera or a searchlight.

[0012] The beneficial effect of the patent of the present invention is that through the cooperation of the guide wheel and the traction rope, the extension and retraction of the telescopic rod on the fixed rod can be achieved by pulling the two ends of the traction rope. Through the guide wheel on the fixed seat, the traction rope is pulled along the direction of the insulating connecting rod to make the telescopic operating rod extend and retract in a relatively vertical direction. When the telescopic rod is placed in the pipeline well, the traction rope can be pulled outside the wellhead, and the live operation in the pipeline can be achieved with the help of detection devices such as cameras or searchlights on the telescopic operating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention in an extended state; Figure 2 It is a structural schematic diagram of the present invention in an extended state.

[0014] 1—insulating connecting rod, 11—first connecting rod, 12—second connecting rod, 2—sleeve, 3—fixed seat, 31—first fixed seat, 32—second fixed seat, 33—third fixed seat, 4—telescopic operating rod, 41—fixed rod, 42—telescopic rod, 5—traction rope, 6—connecting head, 7—guide wheel, 8—slide groove, 9—pull ring, 10—detection device. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0016] Reference Figure 1 , Figure 2As shown, the present invention discloses an insulating telescopic rod for a pipeline well, comprising an insulating connecting rod 1 and a telescopic operating rod 4 of an aluminum alloy square tube or round tube connected to the insulating connecting rod 1 through an L-shaped connector 6, nylon guide wheels 7 are respectively installed on the insulating connecting rod 1 and the telescopic operating rod 4 through a fixing seat 3, and an insulating traction rope 5 is passed through the guide wheel 7, the telescopic operating rod 4 comprises a fixing rod 41 and a telescopic rod 42 inserted into the fixing rod 41, and the fixing seat 3 comprises a first fixing seat 3 respectively fixed on the fixing rod 41 and the insulating connecting rod 1 1 and a second fixed seat 32, two guide wheels 7 are installed side by side on the first fixed seat 31, and a guide wheel 7 and a detection device 10 are installed on the second fixed seat 32, wherein the detection device 10 can be a wired or wireless camera or searchlight, a slide groove 8 is opened at the bottom of the fixed rod 41, and a pull ring 9 connected to the telescopic rod 42 is arranged in the slide groove 8. After the traction rope 5 passes through the lower side guide wheel 7 of the first fixed seat 31 and the upper guide wheel 7 of the second fixed seat 32 in turn, it passes through the pull ring 9 and then passes out from the upper side guide wheel 7 of the first fixed seat 31.

[0017] The insulating connecting rod 1 is composed of a plurality of epoxy resin tubes, and corresponding ends of two adjacent epoxy resin tubes are respectively provided with threaded portions and threaded sleeves 2, so that insulating connecting rods 1 of different lengths can be selected according to different wellhead depths.

[0018] The end of the telescopic rod 42 is provided with a special tool such as a clamp or a pair of scissors.

[0019] As a further embodiment, the insulating connecting rod 1 is composed of a first connecting rod 11 and a second connecting rod 12 composed of epoxy resin tubes, and the corresponding ends of the two adjacent epoxy resin tubes are respectively provided with threaded portions and threaded sleeves 2, and the second fixed seat 32 is installed on the first connecting rod 11, and the second connecting rod 12 is also installed with a third fixed seat 33, and a guide wheel 7 is installed on the third fixed seat 33, so that the tail of the traction rope 5 can be guided and restrained to prevent the excessively long traction rope 5 from shaking during use. At this time, the traction rope 5 is successively inserted into the lower guide wheel 7 of the first fixed seat 31, the lower guide wheel 7 of the third fixed seat 33 and the upper guide wheel 7 of the second fixed seat 32, and then passed through the pull ring 9 and passed through the upper guide wheel 7 of the first fixed seat 31 to connect the head and tail.

[0020] In addition to being an L-shaped connector that fixedly connects two casings, the connector 6 can also be a universal joint that flexibly connects two casings, that is, the angle between the two sections of casing is no longer 90°, but can be other fixed angles, or can be set to an angle that can be adjusted arbitrarily, which is suitable for adjusting the angle between the insulating connecting rod 1 and the telescopic operating rod 4, so as to facilitate entering and exiting the wellhead for pipeline operations in the well.

[0021] The above embodiments are only illustrative of the principles and effects of the present invention, as well as some of the embodiments of its application. For ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present invention, which all fall within the scope of protection of the present invention.

Claims

1. An insulating telescopic rod for a pipeline well, comprising an insulating connecting rod (1) and a telescopic operating rod (4) connected to the insulating connecting rod (1) via a connector (6), characterized in that: The telescopic operating rod (4) comprises a fixed rod (41) and a telescopic rod (42) inserted into the fixed rod (41); the fixed seat (3) comprises a first fixed seat (31) and a second fixed seat (32) respectively fixed on the fixed rod (41) and the insulating connecting rod (1); two guide wheels (7) are installed side by side on the first fixed seat (31); a guide wheel (7) and a detection device (10) are installed on the second fixed seat (32); a slide groove (8) is provided at the bottom of the fixed rod (41); a pull ring (9) connected to the telescopic rod (42) is provided in the slide groove (8); one end of the traction rope (5) is successively inserted into the lower guide wheel (7) of the first fixed seat (31) and the upper guide wheel (7) of the second fixed seat (32), and then passed through the pull ring (9) and then passed out from the upper guide wheel (7) of the first fixed seat (31).

2. The insulating telescopic rod for a pipeline well according to claim 1, characterized in that: The insulating connecting rod (1) is composed of a first connecting rod (11) and a second connecting rod (12) formed of epoxy resin tubes, and corresponding ends of two adjacent epoxy resin tubes are respectively provided with threaded portions and threaded sleeves (2).

3. The insulating telescopic rod for a pipeline well according to claim 2, characterized in that: The second fixing seat (32) is mounted on the first connecting rod (11), and a third fixing seat (33) is also mounted on the second connecting rod (12), and a guide wheel (7) is mounted on the third fixing seat (33).

4. An insulating telescopic rod for a pipeline well according to claim 1, 2 or 3, characterized in that: The fixed rod (41) and the telescopic rod (42) have circular or square cross-sections.

5. An insulating telescopic rod for a pipeline well according to claim 1, 2 or 3, characterized in that: The connector (6) is an L-shaped connector for fixedly connecting two sleeves or a universal joint for movably connecting two sleeves.

6. An insulating telescopic rod for a pipeline well according to claim 1, 2 or 3, characterized in that: The detection device (10) is a camera or a searchlight.

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