CN112499095B

CN112499095B - Rod temporary storage device based on nuclear industry

Info

Publication number: CN112499095B
Application number: CN202011260337.8A
Authority: CN
Inventors: 金杰峰; 刘兆龙; 祁攀
Original assignee: Changzhou Jiaye Intelligent Equipment Technology Co ltd
Current assignee: Changzhou Jiaye Intelligent Equipment Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2022-03-11
Anticipated expiration: 2040-11-12
Also published as: CN112499095A

Abstract

The invention relates to the technical field of nuclear industry, and particularly provides a temporary bar stock storage device based on the nuclear industry, which comprises a pushing device with an ejector rod, a ball screw and a flange connecting plate, wherein a pushing flange is fixed on the ejector rod, the flange connecting plate is connected with the pushing flange and the ball screw, a conveying device comprises driving rollers, driven rollers and a transmission shaft, a plurality of driven rollers are arranged between every two driving rollers, the transmission shaft is formed by connecting a plurality of short shafts, the short shafts are connected with a central shaft of the driving rollers, the transmission device comprises a spline shaft, a conveying main gear and an ejector rod main gear, the spline shaft is erected above the pushing device, the conveying main gear and the ejector rod main gear are arranged on the spline shaft, and a translation mechanism drives the pushing device and the conveying device to move along the direction of the spline shaft. Through the cooperation of the driving roller and the driven roller on the conveying device, the supporting bar is temporarily stored, when the bar needs to be conveyed, the driving roller rotates to convey the bar for a distance, and the mandril stretches out to continue conveying the bar.

Description

Rod temporary storage device based on nuclear industry

Technical Field

The invention relates to the technical field of nuclear industry, in particular to a bar temporary storage position device based on the nuclear industry.

Background

The nuclear industry is a comprehensive emerging industrial department for nuclear energy development and utilization, including production enterprises, scientific researches and design units such as radioactive geological exploration, uranium ore mining, hydrometallurgy, uranium refining, uranium isotope separation, nuclear fuel element manufacturing, various types of reactors, nuclear power stations, spent fuel post-treatment, radioactive waste treatment and disposal, lithium isotope separation, radioactive isotope production, nuclear weapon production and the like, has an important role in national economy, and along with the continuous development of society, the nuclear industry pays more and more attention to related equipment used in some nuclear industries, nuclear fuel assemblies are key parts of nuclear power units, the manufacturing process is complex, the safety and reliability requirements are high, the assembly process difficulty of fuel rods and skeleton assemblies is very large, nuclear power is slow in development, the mechanization degree is low, and the yield of nuclear fuel assemblies is low, before assembling the bar stock, the bar stock needs to be temporarily stored, and the bar stock can be conveniently taken when subsequent assembling is ensured.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problems of temporary storage and convenient taking of the bar stock, the invention provides a temporary bar stock storage position device based on the nuclear industry to solve the problems.

The technical scheme adopted by the invention for solving the technical problems is as follows: a bar temporary storage device based on nuclear industry comprises a pushing device, wherein the pushing device comprises an ejector rod, a ball screw, a flange connecting plate, linear bearing seats, a screw bearing seat and a first reverser, the axis of the ball screw is parallel to the axis of the ejector rod, two ends of the ball screw are rotatably arranged on the screw bearing seats, the ejector rod is slidably arranged on the two linear bearing seats, a pushing flange is fixed on the ejector rod, the flange connecting plate is connected with the pushing flange and a nut on the ball screw, and one end of the ball screw is connected with the first reverser;

the conveying device is provided with two groups, each group of conveying device comprises driving rollers, driven rollers, roller frames, conveying line bearing seats, a third reverser and a transmission shaft, the driving rollers and the driven rollers are waist drum rollers with middle sections shrinking inwards, a plurality of driving rollers are uniformly distributed along the length direction of the roller frames, two ends of the driving rollers are rotatably arranged on the roller frames, a plurality of driven rollers are uniformly distributed between every two driving rollers, two ends of the driven rollers are rotatably arranged on the roller frames, the axes of the driving rollers and the driven rollers are parallel to each other and are positioned in the same horizontal plane, the transmission shaft is formed by connecting a plurality of short shafts through universal couplings, two ends of each short shaft are rotatably arranged on the conveying line bearing seats, and the short shafts are in right-angle connection with the middle shafts of the driving rollers through bevel gears, the two short shafts positioned in the middle section of the transmission shaft are connected through a third commutator;

transmission, transmission includes the integral key shaft, carries the master gear, carries pinion, ejector pin master gear, ejector pin pinion, the integral key shaft transversely erects pusher's top, the integral key shaft passes through universal joint and first power shaft connection, carry the master gear with carry the pinion meshing, the ejector pin master gear with the ejector pin pinion meshing, carry the master gear with ejector pin master gear slidable mounting is on the integral key shaft, the integral key shaft has light section and spline section, and the light section is located the both sides of spline section, the length of spline section is less than carry the master gear with the distance of the terminal surface that the ejector pin master gear is relative, carry the master gear and set up the splined hole with spline section adaptation in the ejector pin master gear, the ejector pin pinion is connected with the second commutator, carry the master gear and carry the pinion and all to be equipped with two, the two conveying pinion gears are respectively connected with a fourth commutator, the second commutator is connected with the first commutator through a connecting shaft, and the fourth commutator is connected with the third commutator through a connecting shaft;

and the translation mechanism is used for driving the pushing device and the conveying device to move along the direction of the spline shaft.

Preferably, the translation mechanism includes a base, a slide rail, a slider, and a platform, the slide rail is fixed on the base in parallel, the length direction of the slide rail is consistent with the axial direction of the spline shaft, the slider is slidably mounted on the slide rail, the bottom of the platform is fixed with the slider, the roller frame, the first commutator, the third commutator, and the conveyor line bearing seat are all fixed on the platform through a bracket, a nut seat is further mounted at the bottom of the platform, a screw seat is further mounted on the base, the screw is rotatably connected with the screw seat, the screw is in threaded connection with the nut seat, one end of the screw is connected with the second power shaft through a universal coupling, the other end of the screw is connected with a handwheel through a fifth commutator, and the axis of the screw is parallel to the axis of the spline shaft, the two ends of the spline shaft are fixed on the base through the long gantry, and the transmission device is installed on the platform.

Preferably, the transmission device further comprises a portal frame, a gear seat and a commutator seat, the portal frame is erected on the platform along the axial direction of the spline shaft, the conveying main gear, the conveying pinion, the ejector rod main gear and the ejector rod pinion are fixed on the portal frame through the gear seat, and the second commutator and the fourth commutator are fixed on the portal frame through the commutator seat.

Preferably, a gear shaft spacer bush is sleeved on a gear shaft between the conveying pinion and the gear seat, and a gear shaft spacer bush is also sleeved on a gear shaft between the ejector rod pinion and the gear seat.

Preferably, a roller frame shaft seat is installed at the connecting part of the driving roller and the driven roller and the roller frame, and the central shafts of the driving roller and the driven roller are installed on the roller frame shaft seat.

Preferably, the top plate is installed to the one end of ejector pin, the gag lever post is installed to the other end of ejector pin, the below of ejector pin is fixed with two limit switch through the sensor support, two limit switch follows the length direction of ejector pin sets up, and when the gag lever post was located limit switch's top, the gag lever post was contradicted with limit switch.

Preferably, a blocking seat is further fixed to the edge of the upper surface of the base, and the height of the blocking seat is larger than the distance from the bottom surface of the platform to the upper surface of the base.

The temporary storage device has the advantages that firstly, the driving roller and the driven roller on the conveying device are matched to support the bar stock together, so that the temporary storage of the bar stock is realized, when the bar stock needs to be conveyed, the driving roller rotates to convey the bar stock for a certain distance, and then the ejector rod extends out to continue to move the bar stock forwards, so that the temporary storage of the bar stock is realized.

And secondly, the main conveying gear and the main ejector rod gear are arranged on the spline shaft in a sliding mode through the spline shaft, the main conveying gear and the main ejector rod gear are driven by the translation mechanism to slide along the spline shaft and then are meshed with the spline sections respectively, and therefore power can be provided for different mechanisms of the temporary storage device only through one power shaft.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of a temporary bar stock storage position device based on the nuclear industry;

FIG. 2 is a schematic structural diagram of a conveying device of a bar stock temporary storage position device based on the nuclear industry;

FIG. 3 is a schematic structural diagram of a transmission shaft of a bar stock temporary storage position device based on the nuclear industry;

FIG. 4 is a schematic structural diagram of a driving roller and a driven roller of a bar temporary storage position device based on the nuclear industry;

FIG. 5 is a schematic structural diagram of a pushing device of a bar temporary storage position device based on the nuclear industry;

FIG. 6 is a schematic structural diagram of a transmission device of a bar stock temporary storage position device based on the nuclear industry;

FIG. 7 is a structural schematic diagram of spline shafts of a bar stock temporary storage position device based on the nuclear industry;

fig. 8 is a schematic structural diagram of a translation mechanism of a bar stock temporary storage position device based on the nuclear industry.

In the figure, 1, a pushing device, 101, a top rod, 102, a ball screw, 103, a flange connecting plate, 104, a linear bearing seat, 105, a screw bearing seat, 106, a first commutator, 1011, a top disk, 1012, a limiting rod, 2, a conveying device, 201, a driving roller, 202, a driven roller, 203, a roller frame, 204, a conveying line bearing seat, 205, a third commutator, 206, a transmission shaft, 3, a bar stock, 2031, a roller frame shaft seat, 2061, a short shaft, 2063, a bevel gear, 4, a transmission device, 401, a spline shaft, 402, a conveying main gear, 403, a conveying auxiliary gear, 404, a top rod main gear, 405, a top rod auxiliary gear, 406, a first power shaft, 4011, an optical section, 4012, a spline section, 4051, a second commutator, 4031, a fourth commutator, 5, a translation mechanism, 501, a base, 502, a sliding rail, 503, a sliding block, 504, a platform, 5011, a stop seat, 5012, a screw seat, 505, a screw seat, The device comprises a screw rod 506, a second power shaft 507, a nut seat 5051, a fifth commutator 4013, a gantry frame 407, a gantry frame 408, a gear seat 409 and a commutator seat.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 8, the present invention provides an embodiment of a temporary storage device for a bar 3 based on the nuclear industry, which includes a pushing device 1, the pushing device 1 includes a top rod 101, a ball screw 102, a flange connecting plate 103, linear bearing seats 104, screw bearing seats 105 and a first commutator 106, the axis of the ball screw 102 is parallel to the axis of the top rod 101, two ends of the ball screw 102 are rotatably installed on the two screw bearing seats 105, the top rod 101 is slidably installed on the two linear bearing seats 104, a pushing flange is fixed on the top rod 101, the flange connecting plate 103 is connected to the pushing flange and a nut on the ball screw 102, one end of the ball screw 102 is connected to the first commutator 106, one end of the top rod 101 is installed with a top plate 1012, the other end of the top rod 101 is installed with a limit rod, two limit switches are fixed below the top rod 101 through a sensor bracket, the two limit switches are arranged along the length direction of the top rod 101, when the limit rod 1012 is positioned above the limit switch, the limit rod 1012 is abutted against the limit switch, the limit switch sends a signal to the controller, the limit rod 1012 is controlled to stop or move by the controller, and the limit switch is arranged to limit the top rod 101, so that the top rod 101 is prevented from being extended too long;

the two groups of conveying devices 2 are arranged, the two groups of conveying devices 2 are arranged on two sides of the pushing device 1, the two groups of conveying devices 2 can temporarily store two bars 3 at the same time, each group of conveying device 2 comprises a driving roller 201, a driven roller 202, a roller frame 203, a conveying line bearing seat 204, a third reverser 205 and a transmission shaft 206, the driving roller 201 and the driven roller 202 are all drum-shaped rollers, the diameters of the drum-shaped rollers gradually narrow from two ends to the middle part to form inclined planes, the bars 3 are placed on the driving roller 201 and the driven roller 202 and supported through the inclined planes, the bars 3 are always positioned in the middle parts of the driving roller 201 and the driven roller 202 to prevent the bars 3 from falling off the conveying devices 2, the driving rollers 201 are uniformly distributed along the length direction of the roller frame 203, two ends of the driving roller 201 are rotatably installed on the roller frame 203 through a roller frame shaft seat 2031, a plurality of driven rollers 202 are uniformly distributed between every two driving rollers 201, two ends of a driven roller 202 are rotatably arranged on a roller frame 203 through a roller frame shaft seat 2031, the axes of a plurality of driving rollers 201 and a plurality of driven rollers 202 are parallel to each other and are positioned in the same horizontal plane, the arrangement of the driven rollers 202 can reduce the pressure born by the driving rollers 201, thereby facilitating the transportation of the bar 3, a transmission shaft 206 is formed by connecting a plurality of short shafts 2061 through a universal coupling, the universal coupling can ensure that the short shafts 2061 can still transmit when the axes deviate in the rotating process, two ends of each short shaft 2061 can be rotatably arranged on a transmission line bearing seat 204, the transmission line bearing seat 204 can stably support the short shafts 2061, the shaking in the rotating process of the short shafts 2061 is reduced, thereby reducing the deviation of the axes when the rotating of the plurality of rotating shafts, the short shafts 2061 are connected with the middle shafts of the driving rollers 201 through bevel gears 2063, so that each short shaft 2061 can be connected with a plurality of driving rollers 201 and drive the driving rollers 201 to rotate, the two stub shafts 2061 located in the middle of the drive shaft 206 are connected by the third commutator 205;

the transmission device 4 comprises a spline shaft 401, a conveying main gear 402, a conveying pinion 403, a push rod main gear 404 and a push rod pinion 405, the spline shaft 401 is connected with a first power shaft 406 through a universal joint, the conveying main gear 402 is meshed with the conveying pinion 403, the push rod main gear 404 is meshed with the push rod pinion 405, the conveying main gear 402 and the push rod main gear 404 are slidably mounted on the spline shaft 401, the spline shaft 401 is provided with an optical section 4011 and a spline section 4012, the optical section 4011 is positioned at two sides of the spline section 4012, the length of the spline section 4012 is smaller than the distance between the conveying main gear 402 and the opposite end surfaces of the push rod main gear 404, spline holes matched with the spline section 4012 are formed in the conveying main gear 402 and the push rod main gear 404, the push rod pinion 405 is connected with a second commutator 4051, the conveying main gear 402 and the conveying pinion 403 are both provided with two conveying pinions, the two conveying pinions 403 are respectively connected with a fourth commutator 4031, second commutator 4051 is connected to first commutator 106 via a connecting shaft, and fourth commutator 4031 is connected to third commutator 205 via a connecting shaft.

The transmission device 4 further comprises a portal frame 407, a gear seat 408 and a commutator seat 409, wherein the conveying main gear 402, the conveying pinion 403, the ram main gear 404 and the ram pinion 405 are fixed on the portal frame 407 through a plurality of gear seats 408, and the second commutator 4051 and the fourth commutator 4031 are fixed on the portal frame 407 through the commutator seat 409.

The translation mechanism 5 is used for driving the pushing device 1 and the conveying device 2 to move along the direction of the spline shaft 401, the translation mechanism 5 comprises a base 501, sliding rails 502, sliders 503 and a platform 504, the sliding rails 502 are fixed on the upper surface of the base 501 in parallel, a blocking seat 5011 is further fixed on the edge of the upper surface of the base 501, the height of the blocking seat 5011 is larger than the distance from the bottom surface of the platform 504 to the upper surface of the base 501, the platform 5004 can be prevented from falling off the range of the base 501 or colliding with surrounding objects when moving along the sliding rails 502 through the arrangement of the blocking seat 5011, the length direction of the sliding rails 502 is consistent with the axial direction of the spline shaft 401, the sliders 503 are slidably mounted on the sliding rails 502, the bottom of the platform 504 is fixed with the sliders 503, the portal frame 407 is erected on the platform 504 along the axial direction of the spline shaft 401, the roller frame 203, the first reverser 106, the third reverser 205 and the conveying line bearing seat 204 are all fixed on the platform 504 through brackets, the bottom of the platform 504 is further provided with a nut seat 507, the base 501 is further provided with a screw seat 5012, the screw rod 505 is rotatably connected with the screw seat 5012, the screw rod 505 is in threaded connection with the nut seat 507, one end of the screw rod 505 is connected with the second power shaft 506 through a universal coupling, the other end of the screw rod 505 is connected with a hand wheel through a fifth commutator 5051, the hand wheel is arranged so that when the second power shaft 506 cannot be driven by a motor to work, the screw rod 505 is driven to rotate by rotating the hand wheel, the axis of the screw rod 505 is parallel to the axis of the spline shaft 401, and two ends of the spline shaft 401 are horizontally fixed on the base 501 through a long gantry 4013 and are perpendicular to the ejector rod 101.

When the bar 3 needs to be conveyed, firstly, the motor drives the second power shaft 506 to rotate, the second power shaft 506 drives the screw rod 505 to rotate, the platform 504 and the portal frame 407 move along the slide rails 502 through the matching of the nut seats 507 and the lead screws 505, at this time, the conveying main gear 402 and the mandril main gear 404 installed on the portal frame 407 move along the spline shaft 401 until the second power shaft 506 stops rotating after the conveying main gear 402 is meshed with the spline section 4012 of the spline shaft 401, then the motor drives the first power shaft 406 to rotate, the first power shaft 406 drives the spline shaft 401 to rotate, the conveying main gear 402 meshed with the spline shaft 401 drives the conveying auxiliary gear 403 to rotate, the power transmitted to the third commutator 205 through the fourth commutator 4031 causes the third commutator 205 to rotate, the third commutator 205 rotates the stub shaft 2061 connected thereto, the whole transmission shaft 206 starts to rotate, and the driving roller 201 is driven by the bevel gear 2063 to rotate along with the transmission shaft so as to drive the bar 3 to move forwards; when the bar 3 is completely separated from the driving roller 201 and the driven roller 202, the second power shaft 506 continues to rotate, the platform 504 and the portal frame 407 are driven by the nut seat 507 to move along the slide rail 502, at this time, the conveying main gear 402 and the ejector rod main gear 404 installed on the portal frame 407 move along the spline shaft 401 until the second power shaft 506 stops rotating after the ejector rod main gear 404 is meshed with the spline section 4012 of the spline shaft 401, at this time, the ejector rod 101 and the bar 3 are coaxial, then the motor drives the first power shaft 406 to rotate, the first power shaft 406 drives the spline shaft 401 to rotate, the ejector rod main gear 404 meshed with the spline shaft 401 drives the ejector rod pinion 405 to rotate, power is transmitted to the first commutator 106 through the second commutator 4051 to rotate the first commutator 106, the nut of the ball screw 102 is driven by the first commutator 106 to rotate to make the nut of the ball screw 102 to make linear motion, the nut of the ball screw 102 drives the ejector rod 101 to move towards the bar 3 through the flange connecting plate 103 and the pushing flange, the ejector rod 101 continues to push the bar 3 to be conveyed forwards, the conveying distance of the bar 3 is increased, the ejector rod 101 resets after the conveying is finished, and then the second power shaft 506 continues to rotate to repeat the steps to convey the second bar 3.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A nuclear industry-based bar stock temporary storage position device is characterized by comprising:

the pushing device comprises an ejector rod, a ball screw, a flange connecting plate, linear bearing seats, screw bearing seats and a first reverser, wherein the axis of the ball screw is parallel to the axis of the ejector rod, two ends of the ball screw are rotatably arranged on the screw bearing seats, the ejector rod is slidably arranged on the two linear bearing seats, a pushing flange is fixed on the ejector rod, the flange connecting plate is connected with the pushing flange and a nut on the ball screw, and one end of the ball screw is connected with the first reverser;

2. A nuclear industry based bar stock temporary storage position device as claimed in claim 1, characterized in that: the translation mechanism comprises a base, slide rails, slide blocks and a platform, the slide rails are fixed on the base in parallel, the length direction of the slide rails is consistent with the axial direction of the spline shaft, the slide blocks are slidably mounted on the slide rails, the bottom of the platform is fixed with the slide blocks, the roller frame, the first reverser, the third reverser and the conveying line bearing seat are all fixed on the platform through a support, a nut seat is further mounted at the bottom of the platform, a screw rod seat is further mounted on the base, the screw rod is rotatably connected with the screw rod seat, the screw rod is in threaded connection with the nut seat, one end of the screw rod is connected with a second power shaft through a universal coupling, the other end of the screw rod is connected with a hand wheel through a fifth reverser, and the axis of the screw rod is parallel to the axis of the spline shaft, the two ends of the spline shaft are fixed on the base through the long gantry, and the transmission device is installed on the platform.

3. A nuclear industry based bar stock temporary storage position device as claimed in claim 2, characterized in that: the transmission device further comprises a portal frame, a gear seat and a commutator seat, the portal frame is erected on the platform along the axial direction of the spline shaft, the conveying main gear, the conveying pinion, the ejector rod main gear and the ejector rod pinion are fixed on the portal frame through the gear seat, and the second commutator and the fourth commutator are fixed on the portal frame through the commutator seat.

4. A nuclear industry based bar stock temporary storage position device as claimed in claim 3, characterized in that: a gear shaft spacer bush is sleeved on a gear shaft between the conveying pinion and the gear seat, and a gear shaft spacer bush is also sleeved on a gear shaft between the ejector rod pinion and the gear seat.

5. The nuclear industry-based bar stock temporary storage position device as claimed in claim 4, wherein: the roller frame shaft seat is installed at the connecting position of the driving roller and the driven roller with the roller frame, and the middle shafts of the driving roller and the driven roller are installed on the roller frame shaft seat.

6. The nuclear industry-based bar stock temporary storage position device as claimed in claim 5, wherein: the push-up plate is installed to the one end of ejector pin, the gag lever post is installed to the other end of ejector pin, the below of ejector pin is fixed with two limit switch through the sensor support, two limit switch follows the length direction of ejector pin sets up, and when the gag lever post was located limit switch's top, the gag lever post was contradicted with limit switch.

7. The nuclear industry-based bar stock temporary storage position device as claimed in claim 6, wherein: the edge of the upper surface of the base is also fixedly provided with a blocking seat, and the height of the blocking seat is larger than the distance from the bottom surface of the platform to the upper surface of the base.