CN210719490U - Automatic detection device for grid spring clamping force - Google Patents

Abstract

The utility model discloses a grillage spring clamping-force automatic checkout device, including the frame that is used for supporting, set up in the horizontal mesa of frame top surface, settle the two-dimensional mobile platform on the horizontal mesa, settle the grillage location clamping components on the two-dimensional mobile platform, cross on the horizontal mesa the span that the two-dimensional mobile platform set up sets up the lifting and rotating assembly who strides on the frame, settle on lifting and rotating assembly and with the first subassembly of detection that the grillage location clamping components corresponds to and set up in the frame and see through the vision guide subassembly that horizontal mesa and two-dimensional mobile platform correspond with grillage location clamping components. The utility model discloses to detect the first subassembly and guarantee to detect the first subassembly and carry out the stability that detects work at fixed position lift design, utilize two-dimensional moving platform and grillage location clamping components to adjust the detection position of the grillage that awaits measuring to utilize the vision guide subassembly to realize the fine setting to the grillage position that awaits measuring, improved the degree of accuracy that detects the frame spring clamping-force.

Description

Automatic detection device for grid spring clamping force

Technical Field

The utility model relates to a nuclear fuel assembly structure detection device, specifically say, relate to a grillage spring clamping-force automatic checkout device.

Background

Grids are components of nuclear fuel assemblies for supporting and positioning nuclear fuel rods, typically by means of spring members disposed thereon for positionally retaining and limiting the nuclear fuel rods disposed therein. Since the grids are required to achieve effective support and positioning of the nuclear fuel rods, it is necessary to check whether the clamping force of the spring members can satisfy the support and positioning requirements at the time of application after the grids are manufactured. Currently, in the field, a manual mode is generally adopted, the detection efficiency is low, and the detection accuracy is not ideal enough, so that a device capable of automatically detecting the clamping force is needed.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a grillage spring clamping-force automatic checkout device removes the automatic accurate detection who realizes its spring clamping-force through the grillage that motor control laid.

In order to achieve the purpose, the technical scheme is as follows:

the utility model provides a grillage spring clamping-force automatic checkout device, includes the frame that is used for supporting, sets up in the horizontal mesa of frame top surface, settle the two-dimensional mobile platform on the horizontal mesa, settle the grillage location clamping components on the two-dimensional mobile platform, cross the span that the two-dimensional mobile platform set up on the horizontal mesa, set up in the rotatory subassembly of lift on the span, settle on the rotatory subassembly of lift and with the first subassembly of detection that the clamping components of grillage location corresponds to and set up in the frame and see through the vision guide subassembly that horizontal mesa and two-dimensional mobile platform correspond with the grillage location clamping components.

The two-dimensional moving platform comprises a transverse moving linear shaft and a transverse moving linear guide rail which are arranged on a horizontal table board in parallel, a moving rack arranged on the transverse moving linear shaft and the transverse moving linear guide rail in a spanning mode, a transverse moving motor arranged on the horizontal table board and connected with the transverse moving linear shaft, a longitudinal moving linear shaft and a longitudinal moving linear guide rail which are arranged on the moving rack and are parallel to each other, a two-dimensional platform surface arranged on the moving rack and provided with a window corresponding to the visual guide assembly, and a longitudinal moving motor arranged on the moving rack and connected with the longitudinal moving linear shaft, wherein the grid positioning and clamping assembly is positioned on the two-dimensional platform surface and connected with the longitudinal moving linear shaft and the longitudinal moving linear guide rail through a guide groove arranged on the two-dimensional platform surface.

Furthermore, the grillwork positioning and clamping assembly comprises a bottom frame plate used for connecting the two-dimensional moving platform, at least one grillwork positioning and mounting position arranged on the bottom frame plate, a clamping cylinder which is arranged on the bottom frame plate and corresponds to the grillwork positioning and mounting position and used for clamping the grillwork, and a clamping head which is arranged on the clamping cylinder and matched with the grillwork positioning and mounting position to clamp the grillwork.

Specifically, a right-angle clamping groove used for propping against one corner of the grillwork is arranged on the clamping head; the grid positioning installation positions are provided with positioning baffles corresponding to two adjacent sides of the grid, and one corner of the grid, which is pressed by the positioning baffles corresponding to the two adjacent sides, and one corner of the grid, which is pressed by the right-angle clamping groove, are opposite angles.

Furthermore, the lifting rotating assembly comprises a lifting linear shaft which is fixedly arranged on the spanning frame and is vertical to the direction of the horizontal table top, a lifting connecting frame arranged on the lifting linear shaft, a lifting motor which is connected with the lifting linear shaft and used for driving the lifting connecting frame to move, a hollow rotating platform arranged on the lifting connecting frame, a rotating motor used for driving the hollow rotating platform to move, and a rotating support which is arranged on the hollow rotating platform and used for connecting the detection head assembly.

Furthermore, the detection head assembly comprises an air-floating guide rail used for connecting the lifting rotating assembly, an air-floating slide block sleeved on the air-floating guide rail, a detection mounting frame connected with the air-floating slide block, a detection head seat connected with the detection mounting frame and provided with a lever arrangement cavity, a detection fixed head connected with the detection head seat and corresponding to the grid positioning and clamping assembly, a lever type movable head arranged in the lever arrangement cavity and matched with the detection fixed head, an opening and closing cylinder arranged on the detection head seat and used for controlling the position between the lever type movable head and the detection fixed head, and a strain type pressure sensor which is connected with the detection head seat and is matched with the lever type movable head, the lower end of the lever type movable head is matched with the detection fixed head, the upper end of the lever type movable head is matched with the strain type pressure sensor, and the middle part of the lever type movable head is connected with the detection head seat and the opening and closing cylinder respectively through a pushing rotating shaft assembly serving as a lever fulcrum.

The pushing rotating shaft assembly comprises a fulcrum travel limiting groove, a fulcrum shaft rod and an opening and closing connecting rod, wherein the fulcrum travel limiting groove is formed in the detection head seat, corresponds to the middle position of the lever type movable head and is communicated with the lever mounting cavity, the fulcrum shaft rod penetrates through the middle position of the lever type movable head and is movably connected into the fulcrum travel limiting groove, and the opening and closing connecting rod is arranged on the fulcrum shaft rod and is connected with the movable end of the opening and closing cylinder.

And the detection head seat is also provided with a detection micro-adjuster, and the detection fixing head is fixedly connected with the detection micro-adjuster and is connected with the detection head seat in a guiding way.

Specifically, lever activity head is including arranging the lever body that the intracavity and middle part and lapse pivot subassembly are connected in the lever, detachable connection in lever body one end and with detect the detection activity head that the fixed head matches to and set up in the pressure head that the other end of lever body and match with strain gauge pressure sensor.

Preferably, the middle part of the lever body is provided with a fulcrum perforation for arranging the pushing rotating shaft assembly, and the lower end of the lever body is provided with a limit groove block for connecting the detection movable head.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses to detect the first subassembly and guarantee to detect the first subassembly and carry out the stability that detects work at fixed position lift design, utilize two dimension moving platform and grillage positioning and clamping subassembly to adjust the detection position of the grillage that awaits measuring to utilize the vision guide subassembly to realize the fine setting to the grillage position that awaits measuring, improved the degree of accuracy that detects to the check frame spring clamping force, and the utility model discloses the structure is simple relatively, operation convenient to use is particularly suitable for the automatic accurate detection to check frame spring clamping force.

(2) The utility model discloses a two-dimensional moving platform carries out lateral shifting through sideslip sharp axle and sideslip linear guide control framework positioning and clamping subassembly, through indulging to move the sharp axle and indulge to move linear guide control framework positioning and clamping subassembly and carry out longitudinal movement to make the framework of centre gripping on the framework positioning and clamping subassembly position adjustment on the two-dimensional direction, can finely tune and detect respectively with a plurality of frameworks that match the centre gripping, improved the efficiency that the framework detected.

(3) The utility model discloses a grid work positioning and clamping subassembly utilizes right angle draw-in groove and positioning baffle to carry out the location centre gripping to the grid work, guarantees the stability of grid work when removing and detecting to the position of this location centre gripping has guaranteed its testing process that does not influence the detector subassembly on the stable basis of centre gripping in the outside of grid work.

(4) The utility model discloses a detect first subassembly upper end and adopt the air supporting guide rail to connect, make the effort that the detection head subassembly can be between automatic adaptation and the spring when being close to the grid spring, guarantee to detect the effect that the first subassembly only receives the spring clamping force, provide the degree of accuracy that detects.

(5) The utility model discloses a detect first subassembly ingenious utilized switching cylinder control to detect movable head and the relative position who detects the fixed head, made its lower extreme can receive the effect of spring clamping power completely to utilize and detect overhead lever structure spring clamping power of activity and transmit the measurement of realizing spring clamping power on the pressure sensor that the upper end corresponds completely.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a two-dimensional mobile platform.

Figure 3 is a schematic diagram of the construction of the grid spacer clamp assembly.

Fig. 4 is a schematic structural view of the lifting rotating assembly.

Fig. 5 is a schematic structural view of one side of the detection head assembly.

FIG. 6 is a schematic view of the other side of the detector head assembly.

Fig. 7 is a schematic view of the structure inside the inspection head assembly.

Fig. 8 is a schematic diagram of a structure of a detection movable head portion.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include, but are not limited to, the following examples.

Examples

As shown in fig. 1 to 8, the automatic detection device for grid spring clamping force comprises a frame 1 for supporting, a horizontal table 2 disposed on the top surface of the frame, a two-dimensional moving platform 10 disposed on the horizontal table, a grid positioning and clamping assembly 20 disposed on the two-dimensional moving platform, a spanning frame 3 disposed on the horizontal table and spanning the two-dimensional moving platform, a lifting and rotating assembly 30 disposed on the spanning frame, a detection head assembly 400 disposed on the lifting and rotating assembly and corresponding to the grid positioning and clamping assembly, and a visual guide assembly 4 disposed in the frame and corresponding to the grid positioning and clamping assembly through the horizontal table and the two-dimensional moving platform.

Further, the two-dimensional moving platform 10 includes a traverse linear shaft 11 and a traverse linear guide rail 12 which are disposed in parallel on a horizontal table top, a moving stage 14 which straddles the traverse linear shaft and the traverse linear guide rail, a traverse motor 13 which is disposed on the horizontal table top and is connected to the traverse linear shaft, a longitudinal linear shaft 15 and a longitudinal linear guide rail 16 which are disposed on the moving stage and are parallel to each other, a two-dimensional platform surface 18 which is disposed on the moving stage and has a window corresponding to the visual guide assembly, and a longitudinal motor 17 which is disposed on the moving stage and is connected to the longitudinal linear shaft, wherein the grid positioning and clamping assembly is disposed on the two-dimensional platform surface and is connected to the longitudinal linear shaft and the longitudinal linear guide rail through a guide groove 19 disposed on the two-dimensional platform surface.

Further, the grid positioning and clamping assembly 20 includes a bottom frame plate 21 for connecting the two-dimensional moving platform, at least one grid positioning and mounting position disposed on the bottom frame plate, a clamping cylinder 22 disposed on the bottom frame plate corresponding to the grid positioning and mounting position for clamping the grid 5, and a clamping head 23 disposed on the clamping cylinder and cooperating with the grid positioning and mounting position to clamp the grid.

Specifically, a right-angle clamping groove used for propping against one corner of the grillwork is arranged on the clamping head; the grid positioning installation positions are provided with positioning baffles 24 corresponding to two adjacent sides of the grid, and one corner of the grid against which the positioning baffles corresponding to the two adjacent sides abut is opposite to one corner of the grid against which the right-angle clamping grooves abut.

Furthermore, the lifting and rotating assembly 30 includes a lifting linear shaft 31 fixedly disposed on the spanning frame and extending in a direction perpendicular to the horizontal table top, a lifting connecting frame 32 disposed on the lifting linear shaft, a lifting motor 33 connected to the lifting linear shaft for driving the lifting connecting frame to move, a hollow rotating platform 34 disposed on the lifting connecting frame, a rotating motor 35 for driving the hollow rotating platform to move, and a rotating bracket 36 disposed on the hollow rotating platform for connecting the detecting head assembly.

Furthermore, the detection head assembly 400 includes an air-bearing guide 401 for connecting with the elevating and rotating assembly, an air-bearing slider 402 sleeved on the air-bearing guide, a detection mounting frame 403 connected with the air-floating slide block, a detection head seat 404 connected with the detection mounting frame and provided with a lever mounting cavity 405, a detection fixed head 406 connected with the detection head seat and corresponding to the lattice positioning and clamping component, a lever type movable head 410 arranged in the lever mounting cavity and matched with the detection fixed head, an opening and closing cylinder 408 arranged on the detection head seat and used for controlling the position between the lever type movable head and the detection fixed head, and a strain type pressure sensor 409 which is connected with the detection head seat and is matched with the lever type movable head, the lower end of the lever type movable head is matched with the detection fixed head, the upper end of the lever type movable head is matched with the strain type pressure sensor, and the middle part of the lever type movable head is connected with the detection head seat and the opening and closing cylinder respectively through a pushing rotating shaft assembly serving as a lever fulcrum.

Specifically, the pushing rotating shaft assembly comprises a fulcrum travel limiting groove 411 which is arranged on the detection head seat, corresponds to the middle position of the lever type movable head and is communicated with the lever mounting cavity, a fulcrum shaft lever 412 which penetrates through the middle position of the lever type movable head and is movably connected into the fulcrum travel limiting groove, and an opening and closing connecting rod which is arranged on the fulcrum shaft lever and is connected with the movable end of the opening and closing cylinder. The fulcrum stroke limiting groove can be arranged on one side or both sides of the lever accommodating cavity and is in a strip groove form; the fulcrum shaft may be disposed in the fulcrum travel limiting groove by a roller or a bearing so as to reduce resistance to adjustment movement of the fulcrum shaft. The lever type movable head is usually provided with a slotted hole for arranging the fulcrum shaft lever and the opening and closing connecting rod, the slotted hole can be opened into a T shape of a tee joint, a T-shaped transverse part penetrates through the lever type movable head and faces to two sides of the fulcrum travel limiting groove, a T-shaped vertical part penetrates through one side of the lever type movable head and faces to the opening and closing cylinder from the transverse part, the fulcrum shaft lever is arranged in the slotted hole of the T-shaped transverse part, and the opening and closing connecting rod is arranged in the slotted hole of the T-shaped vertical part and forms the connection of the fulcrum shaft lever and the opening and closing cylinder.

And, still be equipped with on the detection headstock and detect fine actuator 407, detect the fixed head and should detect fine actuator fixed connection to with detecting the headstock direction and being connected.

Specifically, the lever type movable head comprises a lever body 414 which is arranged in the lever mounting cavity and the middle part of which is connected with the pushing rotating shaft component, a detection movable head 415 which is detachably connected with one end of the lever body and matched with the detection fixed head, and a pressure head 416 which is arranged at the other end of the lever body and matched with the strain type pressure sensor. Specifically, the middle part of the lever body is provided with a fulcrum perforation for arranging the pushing rotating shaft assembly, and the lower end of the lever body is provided with a limiting groove block for connecting a detection movable head. The detachable connection between the lever body and the detection activity is generally fixed by screws, and when the detection activity head which is frequently contacted with the lattice spring is abraded, the detection activity head can be replaced by detaching the screws, so that the detection error caused by abrasion of the detection activity head is avoided, and the detection activity head part can accurately detect the clamping force of the lattice spring; meanwhile, in order to ensure that the detachable detection movable head can be stably connected with the lever body, a special-shaped port butt joint mode is adopted between the detection movable head and the lever body, one butt joint end of the detection movable head is a special-shaped groove, the other butt joint end of the detection movable head is a special-shaped block matched with the special-shaped groove, a T-shaped tongue type is arranged on the detection movable head as in the embodiment, and a notch and a T-shaped groove corresponding to the T-shaped tongue type are arranged at the end of the lever body as shown in fig. 7 and 8. Moreover, the mutual matching between the detection movable head and the detection fixed head can also adopt a mode of butt joint of a convex block and a groove so as to ensure the stability of opening and closing between the two.

When the utility model is used, the grillwork to be detected (such as 4) is firstly arranged on the grillwork positioning and clamping component, one grillwork is moved to the position right below the detection head component by the two-dimensional moving platform under the guiding action of the visual guiding component, and then the detection head component is lowered by the lifting and rotating component to ensure that the lower end of the detection head component is contacted with the spring component in the grillwork; the switching cylinder action makes the detection movable head open for detecting the fixed head this moment, detects the fine setting of first subassembly by air supporting guide rail and air supporting slider automatic matching detection head subassembly and lattice spring member's external force simultaneously, makes the clamping force that detects the movable head and detect the fixed head and only receive spring member, owing to detect overhead lever structure of movable and 1: 1, the clamping acting force of the spring can be synchronously transmitted to the strain type pressure sensor to realize the detection of the clamping force of the spring. After the detection of one grid is finished, the detection head assembly is lifted under the control of the lifting rotating assembly, then the next grid is controlled to move to the position of the detection head under the guidance of the visual guide assembly by the two-dimensional moving platform, the detection process is repeated to detect the second grid, and all grids arranged on the grid positioning and clamping assembly are detected in a reciprocating mode.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.

Claims (10)

1. The automatic detection device for the clamping force of the grid spring is characterized by comprising a rack for supporting, a horizontal table top arranged on the top surface of the rack, a two-dimensional moving platform arranged on the horizontal table top, a grid positioning and clamping assembly arranged on the two-dimensional moving platform, a cross frame arranged on the horizontal table top and across the two-dimensional moving platform, a lifting and rotating assembly arranged on the cross frame, a detection head assembly arranged on the lifting and rotating assembly and corresponding to the grid positioning and clamping assembly, and a visual guide assembly arranged in the rack and corresponding to the grid positioning and clamping assembly through the horizontal table top and the two-dimensional moving platform.

2. The automatic grid spring clamping force detecting device according to claim 1, wherein the two-dimensional moving platform comprises a traverse linear shaft and a traverse linear guide rail disposed in parallel with each other on a horizontal platform, a moving platform disposed across the traverse linear shaft and the traverse linear guide rail, a traverse motor disposed on the horizontal platform and connected to the traverse linear shaft, a longitudinal linear shaft and a longitudinal linear guide rail disposed on the moving platform and in parallel with each other, a two-dimensional platform surface disposed on the moving platform and having a window corresponding to the visual guide assembly, and a longitudinal motor disposed on the moving platform and connected to the longitudinal linear shaft, wherein the grid positioning and clamping assembly is disposed on the two-dimensional platform surface and connected to the longitudinal linear shaft and the longitudinal linear guide rail through a guide groove disposed on the two-dimensional platform surface.

3. The automatic grid spring clamping force detecting device according to claim 1, wherein the grid positioning and clamping assembly comprises a bottom frame plate for connecting the two-dimensional moving platform, at least one grid positioning and mounting position arranged on the bottom frame plate, a clamping cylinder arranged on the bottom frame plate corresponding to the grid positioning and mounting position and used for clamping the grid, and a clamping head arranged on the clamping cylinder and matched with the grid positioning and mounting position and used for clamping the grid.

4. The automatic detection device for the clamping force of the grid spring as claimed in claim 3, wherein the clamping head is provided with a right-angle clamping groove for abutting against one corner of the grid; the grid positioning installation positions are provided with positioning baffles corresponding to two adjacent sides of the grid, and one corner of the grid, which is pressed by the positioning baffles corresponding to the two adjacent sides, and one corner of the grid, which is pressed by the right-angle clamping groove, are opposite angles.

5. The automatic detection device for grid spring clamping force of any one of claims 1 to 4, wherein the lifting and rotating assembly comprises a lifting linear shaft fixedly disposed on the spanning frame and extending perpendicular to the horizontal table surface, a lifting connection frame disposed on the lifting linear shaft, a lifting motor connected with the lifting linear shaft for driving the lifting connection frame to move, a hollow rotating platform disposed on the lifting connection frame, a rotating motor for driving the hollow rotating platform to move, and a rotating bracket disposed on the hollow rotating platform for connecting the detection head assembly.

6. The automatic detection device for grid spring clamping force according to any one of claims 1 to 4, wherein the detection head assembly comprises an air-floating guide rail for connecting the lifting and rotating assembly, an air-floating slide block sleeved on the air-floating guide rail, a detection mounting frame connected with the air-floating slide block, a detection head seat connected with the detection mounting frame and provided with a lever installation cavity, a detection fixed head connected with the detection head seat and corresponding to the grid positioning and clamping assembly, a lever type movable head arranged in the lever installation cavity and matched with the detection fixed head, an opening and closing cylinder arranged on the detection head seat and used for controlling the position between the lever type movable head and the detection fixed head, and a lever type pressure sensor connected with the detection head seat and matched with the lever type movable head, wherein the lower end of the movable head is matched with the detection fixed head, and the upper end is matched with the strain type pressure sensor, the middle part is respectively connected with the detection head seat and the opening and closing cylinder through a pushing rotating shaft assembly as a lever fulcrum.

7. The automatic grid spring clamping force detection device as claimed in claim 6, wherein the pushing rotation shaft assembly comprises a fulcrum travel limiting groove which is formed in the detection head seat and corresponds to the middle position of the lever-type movable head and is communicated with the lever placement cavity, a fulcrum shaft rod which penetrates through the middle position of the lever-type movable head and is movably connected into the fulcrum travel limiting groove, and an opening and closing connecting rod which is arranged on the fulcrum shaft rod and is connected with the movable end of the opening and closing cylinder.

8. The automatic detection device for the grid spring clamping force according to claim 6, wherein the detection head seat is further provided with a detection micro-actuator, and the detection fixing head is fixedly connected with the detection micro-actuator and is connected with the detection head seat in a guiding manner.

9. The automatic grid spring clamping force detection device as claimed in claim 7 or 8, wherein the lever type movable head comprises a lever body disposed in the lever placement cavity and having a middle portion connected to the pushing rotating shaft assembly, a movable detection head detachably connected to one end of the lever body and matching with the fixed detection head, and a pressure head disposed at the other end of the lever body and matching with the strain type pressure sensor.

10. The automatic detection device for the clamping force of the grid spring as claimed in claim 9, wherein a fulcrum through hole for installing the pushing rotating shaft assembly is formed in the middle of the lever body, and a limiting groove block for connecting the detection movable head is formed at the lower end of the lever body.

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