CN211742333U - Nuclear power steam turbine coupling hydraulic bolt dismounting training platform - Google Patents

Nuclear power steam turbine coupling hydraulic bolt dismounting training platform Download PDF

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Publication number
CN211742333U
CN211742333U CN202020457786.0U CN202020457786U CN211742333U CN 211742333 U CN211742333 U CN 211742333U CN 202020457786 U CN202020457786 U CN 202020457786U CN 211742333 U CN211742333 U CN 211742333U
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China
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sliding block
hydraulic bolt
channel
training platform
platform according
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CN202020457786.0U
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Chinese (zh)
Inventor
陈亮
许准
薛彦春
赵勇
柴广
曹亮亮
余浩
王仁昌
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Jiangsu Nuclear Power Corp
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Jiangsu Nuclear Power Corp
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Abstract

The utility model belongs to the technical field of the nuclear power station skill training detects, concretely relates to real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting, this platform include measuring stick, measuring stick support, left slider, adjusting screw, channel, right slider, base and pneumatic hydraulic pump. The training platform is simple in structure and convenient to operate and maintain, can provide comprehensive personnel skill practice training for assembling the hydraulic bolts of the rotor coupling of the nuclear power turbine, improves the skill level of hydraulic bolt assembling of maintainers, can simulate the whole process of assembling and disassembling the hydraulic bolts of the rotor coupling of the turbine, can improve the overhauling quality of the maintainers of the turbine, can quickly measure the length of the bolts and inspect the installation quality, simplifies the training preparation process, and improves the training efficiency.

Description

Nuclear power steam turbine coupling hydraulic bolt dismounting training platform
Technical Field
The utility model belongs to the technical field of the training of nuclear power station skill detects, concretely relates to real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting.
Background
The nuclear turbine has the characteristics of low steam parameters, large rotor size, thick shaft diameter and the like, the turbine rotor is an integrally forged rotor and a rigid half coupling, and the couplings of two adjacent rotors are connected through bolts. Most nuclear power steam turbine rotor shaft coupling bolts adopt hydraulic stretching bolts, and the fit clearance of hydraulic bolts and screw is less, and is higher to dismantling the technological requirement, if the maintainer skill is not enough probably to take place the human error, leads to the bolt card to die, influences the equipment maintenance time limit for a project.
Meanwhile, the installation quality of the coupling bolt is related to the centering condition of a shaft system, the rotor vibration level under the operating condition of the steam turbine is directly influenced, if the vibration is large, the operating stability and the safety of the steam turbine can be reduced, and the risk of shutdown and shutdown exists.
At present, the training of the hydraulic bolt installation and disassembly skills can only teach relevant points to maintainers in a theoretical way, but the intuition is poor, the requirement on the receptivity of the maintainers is high, and the training quality and the training efficiency are low.
Therefore, a nuclear turbine coupling hydraulic bolt dismounting training platform needs to be designed to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art provide a real standard platform of nuclear power steam turbine shaft coupling hydraulic bolt dismouting, simulate nuclear power unit steam turbine shaft coupling and hydraulic bolt's structure and dismouting step, quick inspection hydraulic bolt installation quality to effectively improve steam turbine rotor shaft coupling hydraulic bolt maintenance quality and training efficiency.
The technical scheme of the utility model is that:
the utility model provides a real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting, this platform includes measuring stick, measuring stick support, left slider, adjusting screw, channel, right slider, base and pneumatic hydraulic pump, and channel and measuring stick support are fixed on the base, and left slider and right slider are placed in the channel, and adjusting screw passes through the screw respectively and is connected with channel and base.
The measuring rods are arranged in the through holes of the two measuring rod supports.
The pneumatic hydraulic pump is connected to the base through a bolt.
The left sliding block is in a combined shape of a cube and a semi-cylinder, a through hole is machined in the center of the left sliding block, a lifting lug hole is machined in the top of the left sliding block, and gaps are reserved between the left sliding block and the two sides of the channel.
The right sliding block is in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, and a lifting lug hole is processed at the top.
Both ends and the side surface of the channel are provided with threaded through holes.
The top surface of the base is provided with a threaded through hole.
The adjusting screw penetrates through the threaded through holes on the two sides of the channel to be in contact with the two side surfaces of the left sliding block.
The adjusting screw penetrates through the threaded through hole in the top surface of the base to be in contact with the bottom of the left sliding block.
The adjusting screw penetrates through the threaded through holes at the two ends of the channel to be respectively contacted with the side surfaces of the left sliding block and the right sliding block.
One end of the measuring rod is provided with a fixed measuring anvil, and the other end of the measuring rod is provided with a spiral micrometer head.
The utility model discloses following beneficial effect has:
(1) the utility model provides a real standard platform can provide comprehensive personnel's technical ability for the assembly of nuclear power steam turbine rotor shaft coupling hydraulic bolt and practice the training, improves the technical ability level of maintainer hydraulic bolt assembly. At present, no similar equipment exists in China;
(2) the utility model provides a practical training platform with comprehensive functions, which can simulate the whole process of assembling and disassembling the hydraulic bolts of the steam turbine rotor shaft coupling and can improve the overhaul quality of steam turbine maintainers;
(3) the utility model provides a practical training platform can rapidly measure the bolt length and test the installation quality, simplifies the training preparation process and improves the training efficiency;
(4) the utility model integrates all necessary tools, which is convenient for students to operate;
(5) the utility model provides a real standard platform simple structure is convenient for operate, maintain.
Drawings
FIG. 1 is a schematic structural diagram of a nuclear turbine coupling hydraulic bolt dismounting training platform designed by the utility model;
FIG. 2 is a left side view of a nuclear turbine coupling hydraulic bolt dismounting training platform designed by the present invention;
FIG. 3 is a top view of a hydraulic bolt dismounting training platform for a nuclear turbine coupling provided by the utility model;
FIG. 4 is a use assembly drawing of the hydraulic bolt dismounting training platform for the nuclear turbine coupling provided by the utility model;
wherein: 1-measuring rod, 2-measuring rod bracket, 3-left slide block, 4-adjusting screw, 5-channel, 6-right slide block, 7-base, 8-pneumatic hydraulic pump, 9-nut, 10-conical sleeve, 11-hydraulic bolt, 12-distance sleeve, 13-hydraulic stretching device, 14-adapter, 15-high-pressure oil pipe
Detailed Description
The technology of the present invention is further described below:
as shown in fig. 1, 2 and 3, the utility model provides a real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting, this platform includes measuring stick 1, measuring stick support 2, left slider 3, adjusting screw 4, channel 5, right slider 6, base 7 and pneumatic hydraulic pump 8, channel 5 and measuring stick support 2 welded fastening are on base 7, left slider 3 and right slider 6 are placed in channel 5, channel 5 and base 7 respectively with adjusting screw 4 threaded connection, measuring stick 1 installs in the through-hole of two measuring stick supports 2, pneumatic hydraulic pump 8 passes through bolted connection on base 7.
The left sliding block 3 and the right sliding block 6 are in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, a lifting lug hole is processed at the top, and gaps are reserved between the left sliding block 3 and two sides of the channel 5;
threaded through holes are processed on two sides of the channel 5 and the top surface of the base 7 and used for installing the adjusting screws 4, the four adjusting screws 4 penetrating through the two sides of the channel 5 are contacted with two side surfaces of the left sliding block 3, and gaps are reserved between the left sliding block 3 and the two sides of the channel 5, so that the relative position between the left sliding block 3 and the right sliding block 6 is adjusted by screwing in and screwing out the adjusting screws 4.
Four adjusting screws 4 penetrating through the top surface of the base 7 are contacted with the bottom of the left slide block 3 and are used for adjusting the up-down relative position between the left slide block 3 and the right slide block 6.
Four adjusting screws 4 penetrating through two ends of the channel 5 are respectively contacted with the side surfaces of the left sliding block 3 and the right sliding block 6, and the distance between the left sliding block 3 and the right sliding block 6 is adjusted by screwing the adjusting screws 4 in and out.
The measuring rod 1 is arranged in the through holes of the two measuring rod supports 2 and used for rapidly measuring the length of the bolt. One end of the measuring rod 1 is provided with a fixed measuring anvil, and the other end is provided with a spiral micrometer head.
When the hydraulic bolt is applied specifically, the hydraulic bolt 11 passes through the conical sleeve 10 and is placed in the through holes of the left slider 3 and the right slider 6; the nut 9 is connected with the hydraulic bolt 11 through threads; the adapter 14 is connected with the hydraulic bolt 11 through a taper thread; a through hole is processed in the center of the distance sleeve 12 and is sleeved on the adapter 14, and the right end face of the distance sleeve abuts against the left sliding block 3; the hydraulic stretching device 13 is connected with the adapter 14 through threads and is abutted against the left end face of the distance sleeve 12; the high-pressure oil pipe 15 is connected with the pneumatic hydraulic pump 8 and the hydraulic stretching device 13 through quick connectors, and as shown in fig. 4, the specific operation is as follows:
firstly, adjusting the relative positions of a left slide block 3 and a right slide block 6 by using an adjusting screw 4 to center the two holes; secondly, placing the conical sleeve 10 and the hydraulic bolt 11 in a hole, and measuring and recording the original length of the bolt by using the measuring rod 1; then the adapter 14, the distance sleeve 12 and the hydraulic stretching device 13 are installed; then, a high-pressure oil pipe 15 is used for connecting the pneumatic hydraulic pump 8 and the hydraulic stretching device 13; after the hydraulic pump is started to pressurize to a specified pressure, a bolt wrench is used for screwing the nut 9; opening an oil return valve of the hydraulic pump, and detaching the installation tool; after the installation is finished, the length of the stretched hydraulic bolt 11 is measured by using the measuring rod 1 again and recorded; and calculating the elongation of the bolt according to the elongation before and after the bolt is installed, and inspecting the installation quality.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.

Claims (11)

1. The utility model provides a real platform of instructing of nuclear power steam turbine shaft coupling hydraulic bolt dismouting which characterized in that: the platform comprises a measuring rod (1), a measuring rod support (2), a left sliding block (3), an adjusting screw (4), a channel (5), a right sliding block (6), a base (7) and a pneumatic hydraulic pump (8), wherein the channel (5) and the measuring rod support (2) are fixed on the base (7), the left sliding block (3) and the right sliding block (6) are placed in the channel (5), and the adjusting screw (4) is connected with the channel (5) and the base (7) through threads respectively.
2. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 1, characterized in that: the measuring rods (1) are arranged in through holes of the two measuring rod brackets (2).
3. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 2, characterized in that: the pneumatic hydraulic pump (8) is connected to the base (7) through a bolt.
4. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 3, characterized in that: the left sliding block (3) is in a combined shape of a cube and a semi-cylinder, a through hole is machined in the center, a lug hole is machined in the top, and gaps are reserved between the left sliding block (3) and the two sides of the channel (5).
5. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 4, characterized in that: the right sliding block (6) is in a combined shape of a cube and a semi-cylinder, a through hole is processed in the center, and a lifting lug hole is processed in the top.
6. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 5, characterized in that: both ends and the side surface of the channel (5) are provided with threaded through holes.
7. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 6, characterized in that: the top surface of the base (7) is provided with a threaded through hole.
8. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 7, characterized in that: the adjusting screw (4) passes through the threaded through holes on the two sides of the channel (5) and contacts with the two side surfaces of the left sliding block (3).
9. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 8, characterized in that: the adjusting screw (4) passes through the threaded through hole on the top surface of the base (7) to be contacted with the bottom of the left sliding block (3).
10. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 9, characterized in that: the adjusting screw (4) penetrates through the threaded through holes at the two ends of the channel (5) to be respectively contacted with the side surfaces of the left sliding block (3) and the right sliding block (6).
11. The nuclear turbine coupling hydraulic bolt dismounting training platform according to claim 10, characterized in that: one end of the measuring rod (1) is provided with a fixed measuring anvil, and the other end is provided with a spiral micrometer head.
CN202020457786.0U 2020-04-01 2020-04-01 Nuclear power steam turbine coupling hydraulic bolt dismounting training platform Active CN211742333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020457786.0U CN211742333U (en) 2020-04-01 2020-04-01 Nuclear power steam turbine coupling hydraulic bolt dismounting training platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020457786.0U CN211742333U (en) 2020-04-01 2020-04-01 Nuclear power steam turbine coupling hydraulic bolt dismounting training platform

Publications (1)

Publication Number Publication Date
CN211742333U true CN211742333U (en) 2020-10-23

Family

ID=72854502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020457786.0U Active CN211742333U (en) 2020-04-01 2020-04-01 Nuclear power steam turbine coupling hydraulic bolt dismounting training platform

Country Status (1)

Country Link
CN (1) CN211742333U (en)

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