CN214407793U

CN214407793U - Warm galvanic couple cylinder penetrating support for measuring cylinder of steam turbine

Info

Publication number: CN214407793U
Application number: CN202120344679.1U
Authority: CN
Inventors: 冯有为; 柯昭; 王洪伟; 胡磊; 井肖肖
Original assignee: Hubei Xisaishan Power Generation Co ltd
Current assignee: Hubei Xisaishan Power Generation Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-15
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a warm thermocouple cylinder-penetrating bracket for a steam turbine cylinder measurement, which comprises a telescopic rod part and an armored thermocouple guide part, wherein the armored thermocouple guide part is fixedly arranged at the front end of the telescopic rod part, the tail end of the telescopic rod part is provided with a shoulder rest, and the middle position of the telescopic rod part is provided with a handle; the armored thermocouple guiding part comprises an outer rolling frame and an inwards concave rolling disc, two ends of a rotating shaft of the inwards concave rolling disc are fixedly arranged on the outer rolling frame, and the armored thermocouple penetrates through the outer rolling frame and smoothly penetrates out around the inwards concave rolling disc; the utility model discloses overall structure design is simple but very novel, has brought the facility for wearing the jar operation of armor thermocouple, and stereoplasm armor thermocouple can be worn out in the cylinder wall hole smoothly when the actual operation, simultaneously through supporting auxiliary lighting apparatus, can clearly observe whole jar process of wearing, guarantees that whole operation process is controllable, in the accuse, and the operation personnel can save physical power in operation process, safely, conveniently carry out the operation.

Description

Warm galvanic couple cylinder penetrating support for measuring cylinder of steam turbine

Technical Field

The utility model belongs to the technical field of steam turbine installation extracting tool technique and specifically relates to a warm galvanic couple of steam turbine survey jar wears jar support.

Background

There is superhigh pressure, once middle reheat, three jars, double steam, condensing steam turbine in the steam turbine, design on the steam turbine installs first inner casing temperature measurement component (7) of high, intermediate pressure jar, and its model is: the armored K-type thermocouple is 8-10 meters in length, passes through the gap between the inner cylinder and the outer cylinder and penetrates out of the cylinder body through the mounting hole of the cylinder wall of the lower half outer cylinder as shown in the attached drawing 1, and is sealed through the metal sleeve sealing element. In the reinstallation stage, a new armored thermocouple needs to be reinstalled, the upper half inner cylinder is hoisted synchronously to complete cylinder penetrating operation, the armored thermocouple metal compensation lead has thick wire diameter and high hardness, the cylinder penetrating position is a gap area between the lower half inner cylinder and the outer cylinder, a plurality of thermocouples on the left side and the right side need to simultaneously perform cylinder penetrating operation, the operation interval is narrow, the illumination condition is poor, the mechanical extrusion risk is high, when the cylinder penetrating operation is performed, a plurality of persons are required to cooperate to complete the operation, once the force is too large or the pumping rhythm is not coordinated in the pumping and feeding process of the armored thermocouple, the armored thermocouple metal compensation lead generates micro-bending knots, the metal cutting ferrule in the sealing joint cannot slide when the metal cutting ferrule in the rear mounting sealing joint is mounted, after the copper rod needs to be carefully knocked and aligned, the cutting ferrule can be moved to the cylinder penetrating joint position from the end, the repairing workload is large, and the bare device compensation lead in the armor easily generates short circuit between wires and a shell when the knocking, causing damage to the thermocouple.

Disclosure of Invention

The utility model aims at providing a warm galvanic couple of steam turbine survey jar is worn jar support to above-mentioned condition exactly, this support belongs to a brand-new auxiliary assembly that is used for the thermocouple to wear the usefulness of jar, uses more convenient nimble.

The utility model has the following concrete scheme: a warm thermocouple penetration cylinder support for a steam turbine measuring cylinder comprises a telescopic rod part and an armored thermocouple guide part, wherein the armored thermocouple guide part is fixedly arranged at the front end of the telescopic rod part, a shoulder rest is arranged at the tail end of the telescopic rod part, and a handle is arranged in the middle of the telescopic rod part; the armored thermocouple guiding part comprises an outer rolling frame and an inwards concave rolling disc, two ends of a rotating shaft of the inwards concave rolling disc are fixedly arranged on the outer rolling frame, and the armored thermocouple penetrates through the outer rolling frame and smoothly penetrates out around the inwards concave rolling disc.

Furthermore, the concave rolling disc of the utility model is provided with a concave arc groove along the circumferential direction, and the concave arc groove is used for the armored thermocouple to pass around; the front part of the concave arc groove is provided with a spring arc guide clamp through a cross frame, the spring arc guide clamp is matched with the concave arc groove to elastically clamp the penetrated armored thermocouple, and two ends of the cross frame are fixed on the outer rolling frame.

Further, the utility model discloses in spring arc direction clamp has the pin rod, and the dress is worn in the activity of pin rod the crossbearer middle part, the outer tip of pin rod is equipped with blocks the piece, and the medial extremity of pin rod is fixed to be equipped with the arc cardboard, and the cover is equipped with compression spring on the pin rod between arc cardboard and crossbearer.

Further, the utility model discloses in flexible pole portion is including interior pole and outer pole, during interior pole inserts the inside cavity of outer pole, a bolt hole has been seted up on the interior pole, then a plurality of through hole has been seted up on the outer pole, and the diameter in every through hole keeps unanimous with the diameter in bolt hole, and outer pole locking bolt is worn to be equipped with in corresponding bolt hole and one of them through hole, and interior outer pole locking bolt passes through lock nut and locks the location.

Furthermore, in the utility model, a miniature illuminating lamp is also arranged on the outer wall of the front end of the outer rod.

Further, the utility model discloses in the arc shoulder holds in the palm for adjustable shoulder holds in the palm, and the shoulder holds in the palm comprises outside parcel thing and inside skeleton, and inside skeleton is for can manually breaking the crooked material off with the fingers and thumb and make, and outside parcel thing is the arc structure with inside skeleton parcel.

The utility model discloses overall structure design is simple but very novel, has brought the facility for wearing the jar operation of armor thermocouple, and stereoplasm armor thermocouple can be worn out in the cylinder wall hole smoothly when the actual operation, simultaneously through supporting auxiliary lighting apparatus, can clearly observe whole jar process of wearing, guarantees that whole operation process is controllable, in the accuse, and the operation personnel can save physical power in operation process, safely, conveniently carry out the operation.

Drawings

FIG. 1 is a schematic view of a steam turbine cylinder-measuring thermocouple installation;

fig. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure at K in FIG. 2;

fig. 4 is a schematic side view of the structure of the present invention;

FIG. 5 is an enlarged view of the structure at H in FIG. 4;

FIG. 6 is a schematic view of the spring arc-shaped guide clip of the present invention;

fig. 7 is a schematic diagram of the state of the armored thermocouple wound according to the present invention.

In the figure: 1-upper outer cylinder, 2-upper inner cylinder, 3-armored thermocouple, 4-split surface, 5-thermocouple sealing joint, 6-lower inner cylinder, 7-lower outer cylinder, 8-outer rolling frame, 9-inner rod, 10-grip, 11-outer rod, 12-shoulder rest, 13-micro illuminating lamp, 14-through hole, 15-locking nut, 16-inner and outer rod locking bolt, 17-concave arc groove, 18-concave rolling disc, 19-blocking block, 20-cross frame, 21-arc clamping plate, 22-pin rod, 23-compression spring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the utility model relates to a steam turbine cylinder measurement warm thermocouple cylinder penetrating support, which comprises a telescopic rod part and an armored thermocouple guide part, wherein the armored thermocouple guide part is fixedly arranged at the front end of the telescopic rod part, a shoulder rest 12 is arranged at the tail end of the telescopic rod part, and a handle 10 is arranged at the middle position of the telescopic rod part; the armored thermocouple guiding part comprises an outer rolling frame 8 and an inner concave rolling disc 18, two ends of a rotating shaft of the inner concave rolling disc are fixedly arranged on the outer rolling frame, and the armored thermocouple 3 penetrates through the outer rolling frame and smoothly penetrates out around the inner concave rolling disc.

Further, in the present embodiment, the concave rolling disc is provided with a concave arc groove 17 along the circumferential direction, and the concave arc groove is used for the armored thermocouple 3 to bypass; the front part of the concave arc groove is provided with a spring arc guide clamp through a cross frame 20, the spring arc guide clamp is matched with the concave arc groove to elastically clamp the penetrated armored thermocouple, and two ends of the cross frame are fixed on the outer rolling frame.

Furthermore, in this embodiment, the spring arc-shaped guide clamp has a pin rod 22 movably inserted in the middle of the cross frame, a stop block 19 is disposed at the outer end of the pin rod, an arc-shaped clamp plate 21 is fixedly disposed at the inner end of the pin rod, and a compression spring 23 is sleeved on the pin rod between the arc-shaped clamp plate and the cross frame.

Further, in this embodiment, the telescopic rod portion includes an inner rod 9 and an outer rod 11, the inner rod is inserted into an inner cavity of the outer rod, the inner rod is provided with a pin hole, the outer rod is provided with a plurality of through holes 14, the diameter of each through hole is consistent with the diameter of the pin hole, an inner and outer rod locking bolt 16 penetrates through the pin hole and one of the through holes, and the inner and outer rod locking bolts are locked and positioned through a locking nut 15.

Further, in this embodiment, a micro illuminating lamp 13 is further installed on the outer wall of the front end of the outer rod, the micro illuminating lamp is an LED lamp or any other type, and the power supply is a storage battery or is directly connected to a household power supply through an adapter.

Further, in this embodiment, the shoulder rest 12 is an adjustable arc-shaped shoulder rest, and is composed of an external wrap and an internal skeleton, the internal skeleton is made of a material capable of being manually bent, and the external wrap wraps the internal skeleton to form an arc-shaped structure; the internal framework is made of light bendable aluminum materials, can be bent and pulled at will, adapts to the shoulder conditions of different operators, and is very convenient.

The utility model is designed into a form with adjustable shoulder support and crosspiece type handle, which is convenient for the application of force and stable support by hand and shoulder when in operation, according to the actual working requirement, the inner and outer rods are locked at proper positions by adjusting the depth of the inner and outer rods and using the inner and outer rod locking bolts and locking nuts which are penetrated, then the hard armored thermocouple end is pulled to the outer rolling frame and the inner concave rolling disc, the armored thermocouple is clamped in the inner concave arc groove 17 by utilizing the spring arc guide clamp, the operation trouble that the operator pushes the armored thermocouple by hand when lying on the cylinder wall is saved, the working strength of the operator and the mechanical extrusion injury risk when in lifting installation are greatly reduced, the smoothness of the armored wire-outlet thermocouple is ensured by fixing, correcting and turning the spring arc guide clamp and the inner concave arc groove, only one operator using the support and one operator outside the cylinder can complete a group of cylinder penetrating operation, meanwhile, the miniature illuminating lamp and the support are arranged on the outer rod in a matched mode, so that good illuminating conditions of an operation area are provided, and workers can conveniently master the cylinder penetrating process in time.

The utility model reduces the labor intensity of the working personnel and the risk factors during the work; the rigid armored thermocouple is guaranteed to be smooth when penetrating through the cylinder by bypassing the armored thermocouple in the concave arc groove, and the installation of the later-stage sealing clamping sleeve is facilitated.

Claims

1. A steam turbine survey jar tepid galvanic couple wears jar support which characterized in that: the electric heating wire harness comprises a telescopic rod part and an armored thermocouple guide part, wherein the armored thermocouple guide part is fixedly arranged at the front end of the telescopic rod part, a shoulder support is arranged at the tail end of the telescopic rod part, and a grip is arranged in the middle of the telescopic rod part; the armored thermocouple guiding part comprises an outer rolling frame and an inwards concave rolling disc, two ends of a rotating shaft of the inwards concave rolling disc are fixedly arranged on the outer rolling frame, and the armored thermocouple penetrates through the outer rolling frame and smoothly penetrates out around the inwards concave rolling disc.

2. The turbine cylinder-measuring thermo-electric coupling cylinder support according to claim 1, characterized in that: the concave rolling disc is provided with a concave arc groove along the circumferential direction, and the concave arc groove is used for the armored thermocouple to pass by; the front part of the concave arc groove is provided with a spring arc guide clamp through a cross frame, the spring arc guide clamp is matched with the concave arc groove to elastically clamp the penetrated armored thermocouple, and two ends of the cross frame are fixed on the outer rolling frame.

3. The turbine cylinder-measuring thermo-electric coupling cylinder support according to claim 2, characterized in that: the spring arc-shaped guide clamp is provided with a pin rod, the pin rod is movably arranged in the middle of the cross frame in a penetrating mode, a blocking block is arranged at the outer end portion of the pin rod, an arc-shaped clamping plate is fixedly arranged at the inner side end of the pin rod, and a compression spring is sleeved on the pin rod between the arc-shaped clamping plate and the cross frame.

4. The turbine cylinder-measuring thermo-electric coupling cylinder support according to claim 1, characterized in that: the telescopic rod part comprises an inner rod and an outer rod, the inner rod is inserted into an inner cavity of the outer rod, a bolt hole is formed in the inner rod, a plurality of through holes are formed in the outer rod, the diameter of each through hole is consistent with that of the bolt hole, an inner rod locking bolt and an outer rod locking bolt penetrate through the bolt hole and one of the through holes, and the inner rod locking bolt and the outer rod locking bolt are locked and positioned through a locking nut.

5. The turbine cylinder-measuring thermo-electric coupling cylinder support according to claim 4, wherein: the outer wall of the front end of the outer rod is also provided with a miniature illuminating lamp.

6. The turbine cylinder-measuring thermo-electric coupling cylinder support according to claim 1, characterized in that: the shoulder rest is an adjustable arc-shaped shoulder rest, the shoulder rest is composed of an external wrapping object and an internal framework, the internal framework is made of a manually-breakable bending material, and the internal framework is wrapped by the external wrapping object to form an arc-shaped structure.