CN117270191B - Gas turbine endoscope assembly convenient to overhaul - Google Patents
Gas turbine endoscope assembly convenient to overhaul Download PDFInfo
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- CN117270191B CN117270191B CN202311325742.7A CN202311325742A CN117270191B CN 117270191 B CN117270191 B CN 117270191B CN 202311325742 A CN202311325742 A CN 202311325742A CN 117270191 B CN117270191 B CN 117270191B
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- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 abstract description 15
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2492—Arrangements for use in a hostile environment, e.g. a very hot, cold or radioactive environment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Endoscopes (AREA)
Abstract
The invention relates to the technical field of gas turbine detection, in particular to a gas turbine endoscope assembly convenient to overhaul, which comprises a display, a guide pipe, a camera and a positioning and dismounting structure, wherein the positioning and dismounting structure comprises a first movable sleeve, a second movable sleeve and a movable ring, one end of the guide pipe is in threaded connection with a transparent cover body, a positioning groove is formed in the cover body, the first movable sleeve is slidably sleeved on the guide pipe, a first movable cylinder is arranged on the first movable sleeve, a fixed sleeve is fixedly arranged on the display, the second movable sleeve is movably sleeved on a pipeline, and the movable ring is movably sleeved on the guide pipe. The invention ensures that an operator can directly disassemble the guide pipe just taken out from the combustion chamber, meanwhile, the stable operation of part replacement is ensured without repeatedly wearing and taking off the heat insulation glove, the safety of the operator is ensured while the rapid part replacement of the failed guide pipe is ensured, and the time for separating the combustion chamber from observation is reduced.
Description
Technical Field
The invention relates to the technical field of gas turbine detection, in particular to a gas turbine endoscope assembly convenient to overhaul.
Background
The gas turbine is a core device in the fields of power generation and driving, and the combustion chamber is a core component of the gas turbine and is used for converting chemical energy of fuel into heat energy to drive the turbine to do work. In a gas turbine combustor test, in order to observe and record the operating conditions of the combustor, an endoscope is required to extend into the combustor to observe the flame conditions. However, when the endoscope in the related art is damaged, the endoscope is not easy to replace, so that the test of the combustion chamber is interrupted, and the practicability is poor.
Chinese patent CN113507556B makes the endoscope stretch into the inside structure of combustion chamber and is in lower temperature through cooling chamber cooperation coolant liquid to reduce the probability that the endoscope damaged, secondly makes through installation cavity, adapter sleeve, stopping to dismantle the equipment work that can be convenient between pipe, endoscope and the cover body, thereby makes the endoscope damage back staff can change fast, shortens the time that stops the combustion chamber and observe.
According to the scheme, the time that the endoscope stays in the combustion chamber is prolonged through circulation of cooling liquid, but under a long-time high-temperature environment, the cover body at the end part of the endoscope is inevitably damaged, at the moment, a guide pipe is required to be moved to take out the cover body and parts with internal faults, the part of the guide pipe extending into the combustion chamber is high in temperature for a long time, at the moment, the disassembly and the installation of the cover body cannot be directly carried out, if the waiting temperature naturally drops, the situation that the inside of the combustion chamber cannot be observed for a long time exists, if the operation is carried out by wearing heat-insulating gloves, the damage to hands due to the high temperature is avoided, the gloves are required to be taken off when the replacement of the fine parts in the guide pipe is carried out, and otherwise, the replacement of the fine parts is inconvenient.
Disclosure of Invention
To above-mentioned problem, provide a gas turbine endoscope subassembly convenient to overhaul, cooperate through first movable sleeve and movable ring and carry out the position location to the transparent cover body that needs to dismantle of pipe under the high temperature for a long time fast, drive the transparent cover body through the second movable sleeve and rotate so that operating personnel's hand need not the gloves and keeps apart just can rotate the transparent cover body of quick safe control.
For solving prior art problem, provide a gas turbine endoscope subassembly convenient to overhaul, including the display, the pipe, camera and location dismantlement structure, location dismantlement structure includes first movable sleeve, second movable sleeve and activity ring, the one end and the display fixed connection of pipe, the other end threaded connection of pipe has the transparent cover body coaxial with the pipeline, the camera sets up the one end that is close to the transparent cover body in the pipe, the constant head tank has been seted up to the one end that is close to the display on the cover body, the pipe is the hose, first movable sleeve slip cap is established on the pipe, be provided with first movable cylinder on the first movable sleeve, the axis direction of first movable cylinder is parallel with the diameter direction of first movable sleeve, first movable cylinder is in the outside of first movable sleeve, the fixed sleeve that is provided with can supply first movable cylinder male on the display, the second movable sleeve activity sets up the one end that the display was kept away from to first movable sleeve, second movable sleeve is coaxial with first movable sleeve, the one end that the second movable sleeve kept away from first movable sleeve is fixed with the location arch, the location arch can insert to the constant head tank inside, the location arch carries out magnetic force cooperation with the constant head tank, establish on the movable sleeve and activity ring is in between the activity ring.
Preferably, the first movable cylinder is rotatably arranged on the first movable sleeve along the axis of the first movable cylinder, two cylinder bulges extending along the diameter direction of the first movable cylinder are fixedly arranged on the side wall of the first movable cylinder, the two cylinder bulges are uniformly distributed around the axis of the first movable cylinder, a clamping groove for the insertion of the cylinder bulges is formed in the side wall of the fixed sleeve, the clamping groove is of a T shape, and the clamping groove is communicated with one end, far away from the display, of the fixed sleeve.
Preferably, the outer side wall of the guide pipe is provided with a limiting chute, the limiting chute extends along the length direction of the guide pipe, and the first movable sleeve is fixedly provided with a limiting protrusion in sliding fit with the limiting chute.
Preferably, the first movable sleeve further comprises a torsion spring, one end of the torsion spring is fixedly connected with one end of the first movable cylinder, which is close to the first movable sleeve, the other end of the torsion spring is fixedly connected with the first movable sleeve, and the torsion provided by the torsion spring can push the first movable cylinder to rotate around the axis of the torsion spring.
Preferably, the first movable sleeve further comprises a second movable cylinder and a steel rope, the second movable cylinder is arranged on the first movable sleeve in a sliding mode along the diameter direction of the first movable sleeve, the axis of the second movable cylinder is parallel to the axis of the first movable cylinder, the second movable cylinder and the first movable cylinder are evenly distributed around the axis of the first movable sleeve, the first movable cylinder is close to one end of the first movable sleeve, an arc-shaped groove is formed in the first movable cylinder, the axis of the arc-shaped groove is coaxial with the axis of the first movable cylinder, one end of the steel rope is fixedly connected with the end portion of the arc-shaped groove, which is far away from the first movable sleeve, the other end of the steel rope is fixedly connected with the end portion of the second movable cylinder, which is close to the first movable sleeve, the steel rope is located inside the side wall of the first movable sleeve, and one end of the second movable cylinder, which is far away from the first movable sleeve, is fixedly provided with a handle.
Preferably, the first movable sleeve is close to the fixed two rectangular archs that are provided with of second movable sleeve's one end, two rectangular archs are around first movable sleeve's axis evenly distributed, and rectangular arch extends along first movable sleeve's axis direction, and rectangular arch is the L type, and rectangular bellied protruding end setting is in keeping away from first movable sleeve's position, and second movable sleeve's inside has been seted up with the coaxial ring channel of second movable sleeve, rectangular arch and ring channel sliding fit.
Preferably, the second movable sleeve further comprises a movable plate and a tension spring, a fixed ring which is coaxial with the second movable sleeve is fixedly arranged on the outer wall of the second movable sleeve, an annular chute which is connected with the movable plate in a sliding mode is arranged on the fixed ring, the axis of the annular chute is coaxial with the axis of the fixed ring, the number of the movable plates is two, the two movable plates are uniformly distributed around the axis of the second movable sleeve, a guide rod which extends towards the first movable sleeve along the axis direction of the second movable sleeve is fixedly arranged on the movable plate, a fixed plate which is matched with the guide rod in a sliding mode is fixedly arranged on the outer side wall of the first movable sleeve, one end of the tension spring is sleeved on the guide rod, the other end of the tension spring is fixedly connected with the movable plate, and the fixed plate is fixedly connected with the other end of the tension spring.
Preferably, the outer side wall of the second movable sleeve is fixedly provided with a plurality of stripe bulges uniformly distributed around the axis of the second movable sleeve, and all the stripe bulges are positioned at one end of the fixed ring far away from the first movable sleeve.
Preferably, the number of the positioning protrusions is two, the two positioning protrusions are uniformly distributed around the axis of the second movable sleeve, the number of the positioning grooves is at least six, the six positioning grooves are uniformly distributed around the axis of the cover body, and two sides of the end part of the positioning protrusions, which are far away from the second movable sleeve, are all provided with inclined planes which can be matched with the sliding grooves of the positioning grooves.
Preferably, the side wall of the movable ring is fixedly provided with a ring bulge, and the axis of the ring bulge is parallel to the axis of the movable ring.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the function of rapidly positioning the transparent cover body which needs to be disassembled for the long-term catheter at high temperature is realized through the first movable sleeve and the movable ring, and the transparent cover body is driven to rotate through the second movable sleeve, so that the transparent cover body can be rapidly and safely controlled to rotate without glove isolation, thus an operator can directly disassemble the catheter just taken out from the combustion chamber, and meanwhile, the stable operation of part replacement is ensured without repeatedly wearing and removing heat insulation gloves, the safety of the operator is ensured while the part replacement of the failed catheter is ensured, and meanwhile, the time for separating the combustion chamber from observation is reduced.
Drawings
FIG. 1 is a schematic perspective view of a gas turbine endoscope assembly for easy access.
FIG. 2 is a schematic perspective view of a gas turbine endoscope assembly for easy access.
FIG. 3 is a perspective view of a gas turbine endoscope assembly for easy access.
FIG. 4 is an exploded isometric view of a gas turbine endoscope assembly for ease of service.
FIG. 5 is a perspective view of a positioning and dismounting structure in a gas turbine endoscope assembly for easy access.
FIG. 6 is an exploded isometric view of a locating and dismounting structure in a gas turbine endoscope assembly for easy access.
Fig. 7 is a schematic perspective cross-sectional view of the first movable sleeve in the positioning and removal configuration.
Fig. 8 is a schematic representation of the variation of the steel cord in the first movable sleeve.
Fig. 9 is an exploded perspective view of the first movable sleeve in the positioning and dismounting configuration.
Fig. 10 is a schematic perspective cross-sectional view of a second movable sleeve in a positioning and dismounting configuration.
The reference numerals in the figures are:
1-a display; 11-fixing the sleeve; 111-clamping grooves; 2-a catheter; 21-a transparent cover; 211-positioning grooves; 22-limiting sliding grooves; 3-a camera; 4-positioning and dismounting structure; 41-a first movable sleeve; 411-a first movable cylinder; 4111-cylindrical protrusions; 4112-arc slot; 412-limit protrusions; 413—a torsion spring; 414-a second movable cylinder; 4141-handle; 415-steel cord; 416-elongated protrusions; 417-a fixing plate; 42-a second movable sleeve; 421-locating projections; 422-annular groove; 423-a movable plate; 4231-guide bar; 424-tension springs; 425-a securing ring; 4251-an annular chute; 426-stripe protrusions; 43-a movable ring; 431-annular bulge.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-6, a gas turbine endoscope assembly convenient to overhaul comprises a display 1, a guide pipe 2, a camera 3 and a positioning disassembly structure 4, wherein the positioning disassembly structure 4 comprises a first movable sleeve 41, a second movable sleeve 42 and a movable circular ring 43, one end of the guide pipe 2 is fixedly connected with the display 1, the other end of the guide pipe 2 is in threaded connection with a transparent cover 21 coaxial with a pipeline, the camera 3 is arranged at one end, close to the transparent cover 21, of the cover, of the guide pipe 2, a positioning groove 211 is formed in one end, close to the display 1, of the cover, the guide pipe 2 is a hose, the first movable sleeve 41 is slidably sleeved on the guide pipe 2, a first movable cylinder 411 is arranged on the first movable sleeve 41, the axial direction of the first movable cylinder 411 is parallel to the diameter direction of the first movable sleeve 41, the first movable cylinder 411 is positioned outside the first movable sleeve 41, a fixed sleeve 11 capable of being inserted into the first movable cylinder 411 is fixedly arranged on the display 1, the second movable sleeve 42 is movably arranged at one end, far away from the display 1, the second movable sleeve 42 and the first movable sleeve 421 is coaxially arranged on the first movable sleeve 41, the first movable sleeve 421 is matched with the first movable sleeve 421, the positioning groove is positioned between the first movable sleeve 41 and the positioning circular ring 43, and the positioning groove is positioned between the first movable sleeve and the first movable sleeve 41.
When the duct 2 extending into the combustion chamber cannot enable the display 1 to normally appear in the picture, the duct 2 is taken out from the combustion chamber, the duct 2 is bent through the first movable sleeve 41, the first movable sleeve 41 and the duct 2 slide relatively, when the first movable sleeve 41 moves to the position of the first movable cylinder 411 and is positioned above the fixed sleeve 11, the first movable cylinder 411 is pushed by the first movable sleeve 41 to be inserted into the fixed sleeve 11, the position of the first movable sleeve 41 is fixed, then the whole duct 2 is pulled to move through the movable ring 43, the transparent cover 21 at the end part of the duct 2 is continuously moved towards the second movable sleeve 42, the position of the second movable sleeve 42 is adjusted so that the positioning protrusion 421 is inserted into the positioning groove 211, and after the positioning protrusion 421 is completely inserted into the positioning groove 211, at this time, the second movable sleeve 42 is rotated to enable the transparent cover body 21 to rotate, when the transparent cover body 21 rotates, the second movable sleeve 42 is driven by magnetic force to be far away from the first movable sleeve 41 until the transparent cover body 21 is separated from the guide pipe 2, compared with the prior art, the first movable sleeve 41 and the movable circular ring 43 are matched to rapidly position the transparent cover body 21 which needs to be disassembled for the guide pipe 2 under high temperature for a long time, the second movable sleeve 42 is used for driving the transparent cover body 21 to rotate, so that the hand of an operator can rapidly and safely control the transparent cover body 21 to rotate without glove isolation, the operator can directly disassemble the guide pipe 2 which is just taken out from the combustion chamber, and meanwhile, repeated wearing and removing of heat insulation gloves are not needed to ensure stable part replacement, the safety of operators is ensured while ensuring that the failed conduit 2 can be quickly subjected to part replacement, and the time for detaching the combustion chamber from observation is reduced.
See fig. 5-9: the first movable cylinder 411 is rotatably arranged on the first movable sleeve 41 along the axis thereof, two cylindrical protrusions 4111 extending along the diameter direction of the first movable cylinder 411 are fixedly arranged on the side wall of the first movable cylinder 411, the two cylindrical protrusions 4111 are uniformly distributed around the axis of the first movable cylinder 411, a clamping groove 111 for the cylindrical protrusions 4111 to be inserted is formed in the side wall of the fixed sleeve 11, the clamping groove 111 is of a T shape, and the clamping groove 111 is communicated with one end, far away from the display 1, of the fixed sleeve 11.
The first movable cylinder 411 is inserted into the slot 111, and the cylinder protrusion 4111 is located at the center of the slot 111, and then the first movable cylinder 411 is controlled to rotate, so that the cylinder protrusion 4111 moves to the edge of the slot 111, and compared with the prior art, the position of the first movable cylinder 411 is fixed by matching the cylinder protrusion 4111 with the slot 111, so that the first movable cylinder 411 is ensured not to be separated from the fixed sleeve 11 when the movement of the catheter 2 is controlled by the movable ring 43.
See fig. 4-9: the outer side wall of the catheter 2 is provided with a limiting chute 22, the limiting chute 22 extends along the length direction of the catheter 2, and the first movable sleeve 41 is fixedly provided with a limiting protrusion 412 which is in sliding fit with the limiting chute 22.
Compared with the prior art, the limit chute 22 and the limit protrusion 412 cooperate to limit the sliding state of the first movable sleeve 41, so that the first movable sleeve 41 cannot rotate when the first movable cylinder 411 is inserted into the fixed sleeve 11, and the first movable cylinder 411 can be stably inserted.
See fig. 7 and 9: the first movable sleeve 41 further comprises a torsion spring 413, one end of the torsion spring 413 is fixedly connected with one end of the first movable cylinder 411, which is close to the first movable sleeve 41, the other end of the torsion spring 413 is fixedly connected with the first movable sleeve 41, and torsion provided by the torsion spring 413 can push the first movable cylinder 411 to rotate around the axis of the torsion spring.
Before the first movable cylinder 411 is controlled to be inserted into the fixed sleeve 11, the first movable cylinder 411 is controlled to rotate, at this time, the torsion spring 413 is compressed, then the first movable cylinder 411 is released after the first movable cylinder 411 is inserted into the fixed sleeve 11, the torsion spring 413 is released to push the first movable cylinder 411 to rotate, and the cylinder boss 4111 is inserted into the clamping groove 111.
See fig. 7 and 9: the first movable sleeve 41 further comprises a second movable cylinder 414 and a steel rope 415, the second movable cylinder 414 is slidably arranged on the first movable sleeve 41 along the diameter direction of the first movable sleeve 41, the axis of the second movable cylinder 414 is parallel to the axis of the first movable cylinder 411, the second movable cylinder 414 and the first movable cylinder 411 are uniformly distributed around the axis of the first movable sleeve 41, an arc groove 4112 is formed in one end, close to the first movable sleeve 41, of the first movable cylinder 411, the axis of the arc groove 4112 is coaxial with the axis of the first movable cylinder 411, one end of the steel rope 415 is fixedly connected with the end, far away from the first movable sleeve 41, of the arc groove 4112, the other end of the steel rope 415 is fixedly connected with the end, close to the first movable sleeve 41, of the second movable cylinder 414 is located inside the side wall of the first movable sleeve 41, and a handle 4141 is fixedly arranged at one end, far away from the first movable sleeve 41, of the second movable cylinder 414.
When the second movable cylinder 414 is positioned near the center of the first movable sleeve 41, the torsion spring 413 is in a normal state, the steel rope 415 is tightened and the part positioned in the arc groove 4112 is in an inclined surrounding shape (the part positioned in the arc groove 4112 occupies 1/2 of the total length of the steel rope 415 at the moment), the second movable cylinder 414 is controlled by the handle 4141 to be far away from the center of the first movable sleeve 41 along the diameter direction of the first movable sleeve 41, the steel rope 415 is driven to move simultaneously when the second movable cylinder 414 moves, the part positioned in the arc groove 4112 is changed to be 1/3 from 1/2 of the total length of the steel rope 415, the steel rope 415 positioned in the arc groove 4112 is continuously shortened, and the whole first movable cylinder 411 is pulled to move through one end fixed with the arc groove 4112 at the same time, because the first movable cylinder 411 is in rotary connection with the first movable sleeve 41, the first movable cylinder 411 is controlled to rotate forwards along with the movement of the steel rope, the torsion spring 413 is compressed, and the second movable cylinder 414 is released when the first movable cylinder 411 is inserted into the fixed sleeve 11, and the handle 4141 is controlled to rotate reversely, so that the first movable cylinder 411 can rotate conveniently compared with the prior art.
See fig. 9 and 10: the one end that first movable sleeve 41 is close to second movable sleeve 42 is fixed to be provided with two rectangular protruding 416, two rectangular protruding 416 are evenly distributed around the axis of first movable sleeve 41, and rectangular protruding 416 extends along the axis direction of first movable sleeve 41, and rectangular protruding 416 is the L type, and rectangular protruding 416's protruding end setting is in the position of keeping away from first movable sleeve 41, and annular channel 422 coaxial with second movable sleeve 42 has been seted up to the inside of second movable sleeve 42, rectangular protruding 416 and annular channel 422 sliding fit.
When the positioning protrusion 421 is inserted into the positioning groove 211, the second movable sleeve 42 is rotated, and the second movable sleeve 42 is rotated while being continuously separated from the first movable sleeve 41 along the axial direction thereof due to the magnetic force cooperation of the positioning protrusion 421 and the positioning groove 211, when the transparent cover 21 is separated from the catheter 2, the interval between the first movable sleeve 41 and the second movable sleeve 42 reaches the maximum, and the elongated protrusion 416 is in contact with the end of the annular groove 422, compared with the prior art, the maximum interval between the first movable sleeve 41 and the second movable sleeve 42 is limited by the cooperation of the elongated protrusion 416 and the annular groove 422, thereby preventing the second movable sleeve 42 from being separated from the catheter 2.
See fig. 9 and 10: the second movable sleeve 42 further comprises a movable plate 423 and tension springs 424, a fixed ring 425 coaxial with the second movable sleeve 42 is fixedly arranged on the outer wall of the second movable sleeve 42, annular sliding grooves 4251 which are in sliding connection with the movable plate 423 are formed in the fixed ring 425, the axes of the annular sliding grooves 4251 are coaxial with the axes of the fixed ring 425, the number of the movable plates 423 is two, the two movable plates 423 are uniformly distributed around the axes of the second movable sleeve 42, guide rods 4231 which extend towards the first movable sleeve 41 along the axial direction of the second movable sleeve 42 are fixedly arranged on the movable plate 423, a fixed plate 417 which is in sliding fit with the guide rods 4231 is fixedly arranged on the outer side wall of the first movable sleeve 41, the tension springs 424 are sleeved on the guide rods 4231, one ends of the tension springs 424 are fixedly connected with the movable plate 423, and the other ends of the tension springs 424 are fixedly connected with the fixed plate 417.
When the positioning protrusion 421 is inserted into the positioning groove 211 and just starts to control the second movable sleeve 42 to rotate, at this time, along with the rotation of the second movable sleeve 42, the second movable sleeve 42 is continuously far away from the first movable sleeve 41, and the tension spring 424 is continuously stretched, after the transparent cover 21 is released from the connection with the catheter 2 along with the rotation, the second movable sleeve 42 is released at this time, and the second movable sleeve 42 is close to the first movable sleeve 41 under the tension of the tension spring 424, and the transparent cover 21 is no longer rotated with the catheter 2 at this time so as to release the magnetic force fit with the second movable sleeve 42.
See fig. 10: a plurality of stripe bulges 426 which are uniformly distributed around the axis of the second movable sleeve 42 are fixedly arranged on the outer side wall of the second movable sleeve 42, and all the stripe bulges 426 are positioned at one end of the fixed ring 425, which is far away from the first movable sleeve 41.
Compared with the prior art, the stripe protrusions 426 of the present invention increase the friction between the operator and the sidewall of the second movable sleeve 42, thereby facilitating the operator to control the second movable sleeve 42 to rotate.
See fig. 5 and 10: the number of the positioning protrusions 421 is two, the two positioning protrusions 421 are uniformly distributed around the axis of the second movable sleeve 42, the number of the positioning grooves 211 is at least six, the six positioning grooves 211 are uniformly distributed around the axis of the cover body, and two sides of the end portion, far away from the second movable sleeve 42, of the positioning protrusions 421 are respectively provided with an inclined surface capable of being matched with the sliding grooves of the positioning grooves 211.
When the position of the first movable sleeve 41 is fixed and the catheter 2 is controlled to move by the movable ring 43, the second movable sleeve 42 is continuously close to the transparent cover 21, and when the positioning protrusion 421 is not aligned with the positioning groove 211, the inclined surface on the positioning protrusion 421 is contacted with the end of the positioning groove 211, and the second movable sleeve 42 is slightly rotated to insert the positioning protrusion 421 into the positioning groove 211 along with the continuous movement of the second movable sleeve 42, compared with the prior art, the positioning protrusion 421 and the positioning groove 211 of the present invention have limited number and positions, so that the angle of the second movable sleeve 42 does not need to be rotated and adjusted when the second movable sleeve 42 is close to the transparent cover 21.
See fig. 6: the side wall of the movable ring 43 is fixedly provided with a ring protrusion 431, and the axis of the ring protrusion 431 is parallel to the axis of the movable ring 43.
Compared with the prior art, the movable ring 43 is provided with the ring bulge 431 for controlling the movable ring 43, so that an operator can conveniently drive the catheter 2 to move through the movable ring 43.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The utility model provides a gas turbine endoscope subassembly convenient to overhaul, includes display (1), pipe (2), camera (3) and location dismantlement structure (4), its characterized in that, location dismantlement structure (4) include first movable sleeve (41), second movable sleeve (42) and movable ring (43);
One end of the guide pipe (2) is fixedly connected with the display (1), the other end of the guide pipe (2) is in threaded connection with a transparent cover body (21) coaxial with the pipeline, the camera (3) is arranged at one end, close to the transparent cover body (21), of the guide pipe (2), a positioning groove (211) is formed in one end, close to the display (1), of the cover body, and the guide pipe (2) is a hose;
the first movable sleeve (41) is sleeved on the catheter (2) in a sliding way, a first movable cylinder (411) is arranged on the first movable sleeve (41), the axial direction of the first movable cylinder (411) is perpendicular to the axial direction of the first movable sleeve (41), the first movable cylinder (411) is positioned outside the first movable sleeve (41), and a fixed sleeve (11) into which the first movable cylinder (411) can be inserted is fixedly arranged on the display (1);
The second movable sleeve (42) is movably arranged at one end, far away from the display (1), of the first movable sleeve (41), the second movable sleeve (42) is coaxial with the first movable sleeve (41), a positioning protrusion (421) is fixedly arranged at one end, far away from the first movable sleeve (41), of the second movable sleeve (42), the positioning protrusion (421) can be inserted into the positioning groove (211), and the positioning protrusion (421) is in anisotropic magnetic fit with the positioning groove (211);
the movable ring (43) is movably sleeved on the catheter (2), and the movable ring (43) is positioned between the display (1) and the first movable sleeve (41).
2. The gas turbine endoscope assembly convenient to overhaul according to claim 1, wherein the first movable cylinder (411) is rotatably arranged on the first movable sleeve (41) along the axis of the first movable cylinder (411), two cylindrical protrusions (4111) extending along the diameter direction of the first movable cylinder (411) are fixedly arranged on the side wall of the first movable cylinder (411), the two cylindrical protrusions (4111) are uniformly distributed around the axis of the first movable cylinder (411), clamping grooves (111) for the cylindrical protrusions (4111) to be inserted are formed in the side wall of the fixed sleeve (11), the clamping grooves (111) are of a T shape, and the clamping grooves (111) are communicated with one end, far away from the display (1), of the fixed sleeve (11).
3. The gas turbine endoscope assembly convenient to overhaul as claimed in claim 2, wherein the outer side wall of the guide pipe (2) is provided with a limiting chute (22), the limiting chute (22) extends along the length direction of the guide pipe (2), and the first movable sleeve (41) is fixedly provided with a limiting protrusion (412) which is in sliding fit with the limiting chute (22).
4. A gas turbine endoscope assembly according to claim 3 and also according to claim 3, characterized in that said first movable sleeve (41) further comprises a torsion spring (413);
One end of a torsion spring (413) is fixedly connected with one end of a first movable cylinder (411) close to a first movable sleeve (41), the other end of the torsion spring (413) is fixedly connected with the first movable sleeve (41), and torsion provided by the torsion spring (413) can push the first movable cylinder (411) to rotate around the axis of the torsion spring.
5. The gas turbine endoscope assembly of claim 4, wherein the first movable sleeve (41) further comprises a second movable cylinder (414) and a steel cable (415);
The second movable cylinder (414) slides along the diameter direction of the first movable sleeve (41) and is arranged on the first movable sleeve (41), the axis of the second movable cylinder (414) is parallel to the axis of the first movable cylinder (411), the second movable cylinder (414) and the first movable cylinder (411) are evenly distributed around the axis of the first movable sleeve (41), an arc groove (4112) is formed in one end, close to the first movable sleeve (41), of the first movable cylinder (411), the axis of the arc groove (4112) is coaxial with the axis of the first movable cylinder (411), one end of the steel rope (415) is fixedly connected with the end, far away from the first movable sleeve (41), of the arc groove (4112), the other end of the steel rope (415) is fixedly connected with the end, close to the first movable sleeve (41), of the second movable cylinder (414) is located inside the side wall of the first movable sleeve (41), and one end, far away from the first movable sleeve (41), of the steel rope (415) is fixedly provided with a handle (4141).
6. The gas turbine endoscope assembly convenient to overhaul according to claim 5, wherein two strip protrusions (416) are fixedly arranged at one end, close to the second movable sleeve (42), of the first movable sleeve (41), the two strip protrusions (416) are uniformly distributed around the axis of the first movable sleeve (41), the strip protrusions (416) extend along the axis direction of the first movable sleeve (41), the strip protrusions (416) are L-shaped, the protruding ends of the strip protrusions (416) are arranged at positions far away from the first movable sleeve (41), annular grooves (422) coaxial with the second movable sleeve (42) are formed in the second movable sleeve (42), and the strip protrusions (416) are in sliding fit with the annular grooves (422).
7. The gas turbine endoscope assembly of claim 6, wherein the second movable sleeve (42) further comprises a movable plate (423) and a tension spring (424);
The fixed solid fixed ring (425) that is provided with on the outer wall of second movable sleeve (42) coaxial with second movable sleeve (42), set up on solid fixed ring (425) with fly leaf (423) sliding connection's annular spout (4251), the axis of annular spout (4251) is coaxial with the axis of solid fixed ring (425), the quantity of fly leaf (423) is two, the axis evenly distributed of second movable sleeve (42) is followed to two fly leaf (423), fixedly on fly leaf (423) be provided with along second movable sleeve (42) axis direction towards guide bar (4231) that first movable sleeve (41) extends, fixedly on the lateral wall of first movable sleeve (41) be provided with guide bar (4231) sliding fit's fixed plate (417), extension spring (424) cover is established on guide bar (4231), the one end and the fly leaf (423) fixed connection of extension spring (424), the other end and fixed plate (417) of extension spring (424) fixed connection.
8. The gas turbine endoscope assembly of claim 7, wherein a plurality of striped protrusions (426) evenly distributed around the axis of the second movable sleeve (42) are fixedly arranged on the outer side wall of the second movable sleeve (42), and all striped protrusions (426) are positioned at one end of the fixed ring (425) far away from the first movable sleeve (41).
9. The gas turbine endoscope assembly convenient to overhaul according to claim 1, wherein the number of the positioning protrusions (421) is two, the two positioning protrusions (421) are uniformly distributed around the axis of the second movable sleeve (42), the number of the positioning grooves (211) is at least six, the six positioning grooves (211) are uniformly distributed around the axis of the cover body, and both sides of the end part of the positioning protrusions (421) far away from the second movable sleeve (42) are respectively provided with an inclined plane which can be matched with the sliding grooves of the positioning grooves (211).
10. A gas turbine endoscope assembly according to any of claims 1-8 and also in accordance with any of claims, wherein a ring protrusion (431) is fixedly provided on the side wall of the movable ring (43), the axis of the ring protrusion (431) being parallel to the axis of the movable ring (43).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311325742.7A CN117270191B (en) | 2023-10-13 | 2023-10-13 | Gas turbine endoscope assembly convenient to overhaul |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311325742.7A CN117270191B (en) | 2023-10-13 | 2023-10-13 | Gas turbine endoscope assembly convenient to overhaul |
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| CN117270191B true CN117270191B (en) | 2024-04-23 |
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| CH604193A5 (en) * | 1976-05-14 | 1978-08-31 | Storz Endoskop Gmbh | Cavity lighting and inspection instrument |
| US4643022A (en) * | 1983-06-08 | 1987-02-17 | Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik Mbh | Device for observing the processes taking place in the combustion chamber of an internal combustion engine during operation |
| CN105299689A (en) * | 2015-11-16 | 2016-02-03 | 哈尔滨汽轮机厂有限责任公司 | High-temperature industrial endoscope for gas turbine combustion chamber or turbine test |
| CN109116547A (en) * | 2018-09-26 | 2019-01-01 | 深圳市古安泰自动化技术有限公司 | Endoscope |
| CN211120705U (en) * | 2019-09-30 | 2020-07-28 | 上海杰汇炉窑新技术有限公司 | Industrial furnace high temperature endoscope camera lens protection device |
| CN115967031A (en) * | 2023-03-02 | 2023-04-14 | 广东电网有限责任公司 | Fall-proof low-voltage wiring protection device |
| CN218886303U (en) * | 2022-09-14 | 2023-04-18 | 华润电力（宜昌）有限公司 | Inspection device inside combustor |
-
2023
- 2023-10-13 CN CN202311325742.7A patent/CN117270191B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH604193A5 (en) * | 1976-05-14 | 1978-08-31 | Storz Endoskop Gmbh | Cavity lighting and inspection instrument |
| US4643022A (en) * | 1983-06-08 | 1987-02-17 | Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik Mbh | Device for observing the processes taking place in the combustion chamber of an internal combustion engine during operation |
| CN105299689A (en) * | 2015-11-16 | 2016-02-03 | 哈尔滨汽轮机厂有限责任公司 | High-temperature industrial endoscope for gas turbine combustion chamber or turbine test |
| CN109116547A (en) * | 2018-09-26 | 2019-01-01 | 深圳市古安泰自动化技术有限公司 | Endoscope |
| CN211120705U (en) * | 2019-09-30 | 2020-07-28 | 上海杰汇炉窑新技术有限公司 | Industrial furnace high temperature endoscope camera lens protection device |
| CN218886303U (en) * | 2022-09-14 | 2023-04-18 | 华润电力（宜昌）有限公司 | Inspection device inside combustor |
| CN115967031A (en) * | 2023-03-02 | 2023-04-14 | 广东电网有限责任公司 | Fall-proof low-voltage wiring protection device |
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|---|---|
| CN117270191A (en) | 2023-12-22 |
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