CN220104340U - Guiding cylinder drawing and inserting force testing device - Google Patents
Guiding cylinder drawing and inserting force testing device Download PDFInfo
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- CN220104340U CN220104340U CN202320817686.8U CN202320817686U CN220104340U CN 220104340 U CN220104340 U CN 220104340U CN 202320817686 U CN202320817686 U CN 202320817686U CN 220104340 U CN220104340 U CN 220104340U
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- control rod
- guide cylinder
- control system
- rope
- guide rail
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a guiding cylinder pulling and inserting force testing device, which comprises a lifting device for moving a control rod to be pulled and inserted up and down in a guiding cylinder, a carrying trolley for carrying the control rod to the lower part of the lifting device and aligning the guiding cylinder, and a control system for controlling the lifting device and the carrying trolley, wherein the lifting device comprises a lifting motor connected with the control system, a rope connected with the lifting motor, and a connecting hook head arranged on the rope and used for clamping the control rod, a tension sensor for detecting the tension of the rope is arranged on the rope, and the tension sensor is connected with the control system; the carrying trolley comprises a trolley body and rollers arranged below the trolley body, wherein a universal interface device for loading the control rod and aligning the control rod with the guide cylinder is arranged on the trolley body, and the universal interface device is connected with the control system. The utility model realizes the test of the friction force between the control rod and the guide cylinder and the guide function verification of the guide cylinder, and provides basis and reference for the subsequent actual use of the control rod and the guide cylinder.
Description
Technical Field
The utility model relates to the technical field of nuclear power testing, in particular to a guiding cylinder drawing and inserting force testing device.
Background
The nuclear power fuel assembly is provided with 24 control rods, the annular array of the control rods is arranged as a whole, 60 guide cylinder holes are fixed on a guide tube supporting plate, guide cylinders are arranged in the guide cylinder holes, each guide cylinder is a cavity with the diameter of about 0.23m and the length of about 4m, guide plates with different distances and concentric same pore diameters are distributed and fixed in the cavity, the holes arranged on the guide plates and the 24 control rods are concentrically distributed, the 24 control rods can pass through one group of control rods at one time or downwards, the control rods are inserted and proposed in the fuel reaction to control the combustion speed of the fuel, and the guide cylinders provide guide channels for the insertion and the proposal of the control rods. After the installation of the control rod guide cylinder of the nuclear power upper part in-pile component is completed, functional verification is required to be carried out, and whether the friction force and the guide function between the control rod and the guide cylinder are proper or not is verified. Therefore, it is necessary to develop a test device capable of verifying the magnitude of friction force and the guiding function between the guide cylinder and the control rod.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a guiding cylinder drawing and inserting force testing device.
The technical scheme adopted for solving the technical problems is as follows: the guide cylinder drawing and inserting force testing device comprises a lifting device for moving a control rod to draw and insert up and down in a guide cylinder, a carrying trolley for carrying the control rod to the lower part of the lifting device and aligning the guide cylinder, and a control system for controlling the lifting device and the carrying trolley, wherein the lifting device comprises a lifting motor connected with the control system, a rope connected with the lifting motor, a connecting hook head arranged on the rope and used for clamping the control rod, a tension sensor used for detecting the tension of the rope is arranged on the rope, and the tension sensor is connected with the control system; the carrying trolley comprises a trolley body and rollers arranged below the trolley body, a universal interface device for loading the control rod and aligning the control rod with the guide cylinder is arranged on the trolley body, and the universal interface device is connected with the control system; the control rod is installed into the universal interface device, the control system controls the carrying trolley to be transported to the lower portion of the guide cylinder, after the control rod is clamped by the connecting hook head on the lifting device, the control system starts the lifting motor to lift the control rod into the guide cylinder through the rope, so that the control rod is pulled and inserted in the guide cylinder, and the control system verifies whether the friction force between the control rod and the guide cylinder and the guide function of the guide cylinder are proper or not according to the rope tension detected by the rope tension sensor.
Preferably, the universal interface device comprises a loading platform for placing the control rod and a moving mechanism arranged below the loading platform and used for moving the loading platform, the moving mechanism comprises an X-axis lead screw guide rail, a Y-axis lead screw guide rail and a Z-axis rotary direct drive, a guide rail motor is arranged in a vehicle body, the X-axis lead screw guide rail, the Y-axis lead screw guide rail and the Z-axis rotary direct drive are connected with the guide rail motor, the guide rail motor is connected with the control system, and the Y-axis lead screw guide rail and the Z-axis rotary direct drive are all arranged on the X-axis lead screw guide rail. The control rod moves in the X-axis and Y-axis directions through the X-axis lead screw guide rail and the Y-axis lead screw guide rail, and rotates in the Z axis through the Z-axis rotation direct drive, so that accurate positioning is performed, and the control rod is aligned to the guide cylinder.
Preferably, the loading platform is provided with a loading hole for loading the control rod, the outer side of the control rod is provided with a transition barrel part, and the transition barrel part is inserted into the loading hole to fix the control rod on the loading platform.
Preferably, the carrying trolley is provided with a positioning camera, the positioning camera comprises a coarse positioning camera and a fine positioning camera, and the coarse positioning camera and the fine positioning camera are connected with a control system.
Preferably, a lead protective layer is arranged in the carrying trolley. Through the setting of plumbous inoxidizing coating to protection dolly and dolly inner structure prevent that inside spare part from receiving the radiation influence.
Preferably, the connecting hook head comprises a pawl arranged on the rope and used for clamping the control rod, and a pawl motion motor used for driving the pawl, and the control system is connected with the pawl motion motor.
Preferably, a servo motor is arranged on the vehicle body and is connected with the roller through a shaft, and the servo motor is connected with the control system.
The guide cylinder drawing and inserting force testing method comprises the following steps:
step one: installing a control rod into the loading hole, starting the coarse positioning camera to shoot surrounding environment images, and starting the carrying trolley by the control system to transport the control rod to a coarse positioning target position;
step two: closing the coarse positioning camera, starting the fine positioning camera to shoot surrounding environment images, and judging whether the control rod is at a preset position or not by a control system; if the control rod is not at the preset position, starting a track motor, and controlling the track motor to move the loading platform on an X-axis lead screw guide rail and/or a Y-axis lead screw guide rail and/or rotate on a Z-axis rotary direct drive by a control system according to the surrounding environment image shot by the fine positioning camera, so as to finely adjust the loading platform until the control rod is at the preset position;
step three: after the lifting motor is started and the rope descends and the hook head to be connected clamps the control rod, the rope lifts the control rod into the guide cylinder, so that the control rod is pulled and inserted in the guide cylinder, and the control system verifies whether the friction force between the control rod and the guide cylinder and the guide function of the guide cylinder are proper or not according to the rope tension detected by the rope tension sensor.
Preferably, the predetermined position is a position below the guide cylinder and the control rod is aligned with the guide cylinder.
Preferably, the third step further comprises the following: after the rope descends and passes through the guide cylinder 3, the control system starts the pawl motion motor, the pawl motion motor drives the pawl to clamp the control rod, the rope lifts the control rod to be inserted into the guide cylinder, and the tension sensor sends a tensile force test value of the control rod inserted into the guide cylinder to the control system; and starting the hoisting motor, lowering the rope to put the control rod on the loading platform, starting the pawl to operate the motor, contracting the pawl to enable the pawl to be unhooked from the control rod, and lifting the rope to finish the test.
The utility model has the beneficial effects that:
1. the utility model realizes the test of the friction force between the control rod and the guide cylinder and the guide function verification of the guide cylinder, and provides basis and reference for the actual use of the control rod and the guide cylinder in the follow-up process;
2. according to the utility model, through the arrangement of the carrying trolley, the carrying trolley can primarily transport the control rod to the approximate position under the shooting of the coarse positioning camera, and can accurately move under the shooting of the fine positioning camera, so that the control rod can be aligned with the guide cylinder;
3. according to the utility model, through the arrangement of the lifting device, the control rod can be clamped through the pawl, so that the friction force and the guiding function test of the control rod in the guiding cylinder can be completed under the condition that the guiding cylinder is fixed.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the carriage.
Fig. 3 is an isometric view of a carrier cart.
Fig. 4 is a schematic diagram of a generic interface device.
Fig. 5 is a front view of the connection hook head to the control rod.
Fig. 6 is a cross-sectional view taken along A-A of fig. 5.
Fig. 7 is a front view of the guide cylinder.
Fig. 8 is a cross-sectional view of fig. 7 taken along the direction B-B.
Fig. 9 is a schematic structural view of the connecting hook head.
In the figure: 1. hoisting accessory, 11, rope, 12, connecting hook, 121, pawl, 2, carrier trolley, 21, automobile body, 22, gyro wheel, 23, general interface arrangement, 231, X-axis lead screw guide rail, 232, Y-axis lead screw guide rail, 233, Z-axis rotation direct drive, 234, loading platform, 2341, loading hole, 24, coarse positioning camera, 25, fine positioning camera, 3, guide cylinder, 4, control rod, 41, transition cylinder piece.
Description of the embodiments
The utility model is further described below with reference to the drawings and embodiments.
As shown in fig. 1-9, the utility model relates to a guiding cylinder pulling and inserting force testing device, which comprises a lifting device 1 for moving a control rod 4 to be pulled and inserted up and down in a guiding cylinder 3, a carrying trolley 2 for carrying the control rod 4 to be aligned to the guiding cylinder 3 below the lifting device 1, and a control system for controlling the lifting device 1 and the carrying trolley 2, wherein the lifting device 1 comprises a lifting motor connected with the control system, a rope 11 connected with the lifting motor, a connecting hook head 12 arranged on the rope 11 and used for clamping the control rod 4, a tension sensor for detecting the tension of the rope 11 is arranged on the rope 11, and the tension sensor is connected with the control system; the carrying trolley 2 comprises a trolley body 21 and rollers 22 arranged below the trolley body 21, a universal interface device 23 for loading the control rod 4 and aligning the control rod 4 with the guide cylinder 3 is arranged on the trolley body 21, and the universal interface device 23 is connected with a control system; the control rod 4 is arranged in the universal interface device 23, the control system controls the carrying trolley 2 to be transported to the lower part of the guide cylinder 3, after the control rod 4 is clamped by the connecting hook head 12 on the lifting device 1, the control system starts the lifting motor to lift the control rod 4 into the guide cylinder 3 through the rope 11, so that the control rod 4 is inserted into the guide cylinder 3, and the control system verifies whether the friction force between the control rod 4 and the guide cylinder 3 and the guide function of the guide cylinder 3 are proper or not according to the rope 11 tension detected by the tension sensor on the rope 11. The rope is a steel wire rope, the lifting motor is a winch, and the winch passes through the guide cylinder 3 through the connecting hook head 12 to be lowered above the control rod 4 through the steel wire rope. In this embodiment, the carrying trolley 2 is located underwater, the main structure of the carrying trolley 2 is a low chassis structure, and because the space under water is limited, the carrying trolley 2 turns and turns around inconveniently, therefore, the carrying trolley 2 is driven by the rollers 22, and can accurately move along any direction of 360 degrees in the plane, and the carrying trolley can move freely in all directions, so that the positioning flexibility and the positioning efficiency of the carrying trolley 2 are higher.
The universal interface device 23 comprises a loading platform 234 for placing the control rod 4 and a moving mechanism arranged below the loading platform 234 and used for moving the loading platform 234, the moving mechanism comprises an X-axis lead screw guide rail 231, a Y-axis lead screw guide rail 232 and a Z-axis rotary direct drive 233, a guide rail motor is arranged in the vehicle body 21, the X-axis lead screw guide rail 231, the Y-axis lead screw guide rail 232 and the Z-axis rotary direct drive 233 are connected with the guide rail motor, the guide rail motor is connected with a control system, and the Y-axis lead screw guide rail 232 and the Z-axis rotary direct drive 233 are arranged on the X-axis lead screw guide rail 231.
The loading platform 234 is provided with a loading hole 2341 for loading the control rod 4, the outer side of the control rod 4 is provided with a transition barrel 41, and the transition barrel 41 is inserted into the loading hole 2341 to fix the control rod 4 on the loading platform 234.
The carrying trolley 2 is provided with a positioning camera, the positioning camera comprises a coarse positioning camera 24 and a fine positioning camera 25, and the coarse positioning camera 24 and the fine positioning camera 25 are connected with a control system.
The connecting hook head 12 comprises a pawl 121 arranged on the rope 11 and used for clamping the control rod 4, and a pawl movement motor used for driving the pawl 121, and the control system is connected with the pawl movement motor.
The vehicle body 21 is provided with a servo motor, the servo motor is connected with the roller 22 through a shaft, and the servo motor 22 is connected with a control system. The servo motor drives the roller 22 to move through the shaft, and the upper computer sends a control command through the industrial Ethernet to control the servo motor to drive the roller 22, so that the direction and the rotating speed of the roller 22 are controlled.
The control system comprises an upper computer, the upper computer adopts Ethernet industrial communication and PLC to protect and monitor the cabin through cabin environmental control sensor signals, a cabin environmental control sensor is arranged in the vehicle body 21, the cabin environmental control sensor is provided with detection and monitoring of temperature and compensated air pressure parameters in an electronic cabin, the electronic cabin water inlet detection function is provided, and the camera scene shooting is combined and positioned, so that an actual shooting scene is built. The upper computer is connected with the coarse positioning camera 24 and the fine positioning camera 25 through Ethernet industrial communication. The upper computer is connected with the winch and the tension sensor.
A lead protective layer is arranged in the carrying trolley 2.
Fig. 6 is a sectional view of a control rod, fig. 8 is a sectional view of a guide cylinder, and the holes in fig. 6 and 8 correspond to each other so that the control rod can be inserted into the guide cylinder.
The guide cylinder drawing and inserting force testing method comprises the following steps: step one: installing the control rod 4 into the loading hole 2341, starting the coarse positioning camera to shoot an ambient environment image, and starting the carrying trolley 2 to transport the control rod 4 to a coarse positioning target position by the control system;
step two: closing the coarse positioning camera 24, starting the fine positioning camera 25 to shoot the surrounding environment image, and judging whether the control rod 4 is at a preset position or not by the control system; if the control rod 4 is not at the preset position, starting a track motor, and controlling the track motor to move the loading platform 234 on the X-axis lead screw guide 231 and/or the Y-axis lead screw guide 232 and/or rotate on the Z-axis rotary direct drive 233 by the control system according to the surrounding environment image shot by the fine positioning camera 25, so as to finely adjust the loading platform 234 until the control rod 4 is at the preset position;
step three: after the lifting motor is started and the rope 11 descends and the hook head 12 to be connected clamps the control rod 4, the rope 11 lifts the control rod 4 into the guide cylinder 3, so that the control rod 4 is inserted into the guide cylinder 3, and the control system verifies whether the friction force between the control rod 4 and the guide cylinder 3 and the guide function of the guide cylinder 3 are proper or not according to the rope 11 tension detected by the tension sensor on the rope 11.
The predetermined position is a position below the guide cylinder 3 and where the control rod 4 is aligned with the guide cylinder 3.
The third step also comprises the following contents: after the hoisting motor is started and the rope 11 descends to pass through the guide cylinder 3, the control system starts the pawl motion motor, the pawl motion motor drives the pawl 121 to clamp the control rod 4, the rope 11 lifts the control rod 4 to be inserted into the guide cylinder 3, and the tension sensor sends a tensile test value of the control rod 4 inserted into the guide cylinder 3 to the control system; the lifting motor is started, the rope 11 descends to put the control rod 4 on the loading platform 234, the pawl operation motor is started, the pawl 121 is contracted to enable the pawl 121 to be unhooked from the control rod 4, and the rope 11 is lifted, so that the test is completed.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Claims (7)
1. The utility model provides a guiding tube draws inserts power testing arrangement which characterized in that: the lifting device comprises a lifting device (1) for moving a control rod (4) to be pulled and inserted up and down in a guide cylinder (3), a carrying trolley (2) for carrying the control rod (4) to the lower part of the lifting device (1) and aligning the guide cylinder (3), and a control system for controlling the lifting device (1) and the carrying trolley (2), wherein the lifting device (1) comprises a lifting motor connected with the control system, a rope (11) connected with the lifting motor, and a connecting hook head (12) arranged on the rope (11) and used for clamping the control rod (4), a tension sensor for detecting the tension of the rope (11) is arranged on the rope (11), and the tension sensor is connected with the control system; the carrying trolley (2) comprises a trolley body (21) and rollers (22) arranged under the trolley body (21), wherein a universal interface device (23) for loading the control rod (4) and aligning the control rod (4) to the guide cylinder (3) is arranged on the trolley body (21), and the universal interface device (23) is connected with a control system.
2. The guide cylinder insertion force testing device according to claim 1, wherein: the universal interface device (23) comprises a loading platform (234) for placing the control rod (4) and a moving mechanism arranged below the loading platform (234) and used for moving the loading platform (234), the moving mechanism comprises an X-axis lead screw guide rail (231), a Y-axis lead screw guide rail (232) and a Z-axis rotary direct drive (233), a guide rail motor is arranged in the vehicle body (21), the X-axis lead screw guide rail (231), the Y-axis lead screw guide rail (232) and the Z-axis rotary direct drive (233) are connected with the guide rail motor, the guide rail motor is connected with the control system, and the Y-axis lead screw guide rail (232) and the Z-axis rotary direct drive (233) are arranged on the X-axis lead screw guide rail (231).
3. The guide cylinder insertion force testing device according to claim 2, wherein: the loading platform (234) is provided with a loading hole (2341) for loading the control rod (4), the outer side of the control rod (4) is provided with a transition barrel (41), and the transition barrel (41) is inserted into the loading hole (2341) to fix the control rod (4) on the loading platform (234).
4. The guide cylinder insertion force testing device according to claim 1, wherein: the carrying trolley (2) is provided with a positioning camera, the positioning camera comprises a coarse positioning camera (24) and a fine positioning camera (25), and the coarse positioning camera (24) and the fine positioning camera (25) are connected with a control system.
5. The guide cylinder insertion force testing device according to claim 1, wherein: the connecting hook head (12) comprises a pawl (121) which is arranged on the rope (11) and used for clamping the control rod (4), and a pawl motion motor which is used for driving the pawl (121), and the control system is connected with the pawl motion motor.
6. The guide cylinder insertion force testing device according to claim 1, wherein: a servo motor is arranged on the vehicle body (21), the servo motor is connected with the roller (22) through a shaft, and the servo motor is connected with the control system.
7. The guide cylinder insertion force testing device according to claim 1, wherein: a lead protective layer is arranged in the carrying trolley (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817686.8U CN220104340U (en) | 2023-04-13 | 2023-04-13 | Guiding cylinder drawing and inserting force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817686.8U CN220104340U (en) | 2023-04-13 | 2023-04-13 | Guiding cylinder drawing and inserting force testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104340U true CN220104340U (en) | 2023-11-28 |
Family
ID=88881877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320817686.8U Active CN220104340U (en) | 2023-04-13 | 2023-04-13 | Guiding cylinder drawing and inserting force testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104340U (en) |
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2023
- 2023-04-13 CN CN202320817686.8U patent/CN220104340U/en active Active
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