CN113182810B - Shell installation equipment for production and processing of instruments and meters - Google Patents
Shell installation equipment for production and processing of instruments and meters Download PDFInfo
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- CN113182810B CN113182810B CN202110497940.6A CN202110497940A CN113182810B CN 113182810 B CN113182810 B CN 113182810B CN 202110497940 A CN202110497940 A CN 202110497940A CN 113182810 B CN113182810 B CN 113182810B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses a shell mounting device for production and processing of instruments and meters, which comprises a base and a pressing block arranged above the base, wherein a locking disc is arranged above the pressing block, a locking ring is arranged above the locking disc, a driving motor is arranged above the locking disc, three sliding shafts are arranged in the base, the sliding shafts penetrate through the pressing block, the locking disc and the locking ring, the locking ring is clamped with the sliding shafts, one end of each sliding shaft is a shaft head, shaft end threaded holes are formed in the other end of each sliding shaft, shaft grooves distributed at equal intervals are formed in the outer portion of each sliding shaft, three seat shaft holes distributed in an annular array mode are formed in the inner portion of the base, three supporting legs distributed in an annular array mode are arranged on the outer side of the base, a middle block is arranged in the center of the pressing block, three edge blocks distributed in an annular array mode are arranged on the edge of the pressing block, and edge block holes for enabling the edge blocks to penetrate through the pressing block axially are formed in the edge blocks. This casing erection equipment is used in instrument and meter production and processing can realize even afterburning, but electric drive also manually drive, is fit for generally using widely.
Description
Technical Field
The invention belongs to the technical field of instrument and meter production, and particularly relates to a shell mounting device for instrument and meter production and processing.
Background
Instruments and meters are instruments or devices for detecting, measuring, observing, and calculating various physical quantities, material components, physical parameters, and the like. Vacuum leak detector, pressure gauge, length measuring instrument, microscope, multiplier, etc. all belong to instruments and meters, and in a broad sense, the instruments and meters also have the functions of automatic control, alarm, signal transmission, data processing, etc., for example, pneumatic regulating instrument and electric regulating instrument used in automatic control of industrial production process, and distributed instrument control system also belong to instruments and meters. The instrumentation can improve, extend or supplement human function.
Often need be with casing and base pressfitting in current instrument's the manufacturing process, the installation relies on the bench vice of perpendicular setting to realize the pressfitting mostly, current bench vice often can not be quick adjust the pressfitting interval on a large scale, conventional bench vice needs the more number of turns of rotatory lead screw just can realize the interval adjustment on a large scale of pressfitting, the operation is comparatively troublesome, and the gasket is established to the vice jaw of conventional bench vice needs the pad usually, avoid damaging it through gasket buffering contact instrument, nevertheless use the plane degree that the gasket hardly keeps two vice jaws, one of them atress is uneven when probably causing casing and base pressfitting problem.
Disclosure of Invention
The invention aims to provide a shell mounting device for instrument and meter production and processing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an instrument and meter is casing erection equipment for production and processing, includes the briquetting of base and its top, the briquetting top is equipped with the locking disk, the locking disk top is equipped with the locking collar, the locking disk top is equipped with driving motor, the built-in three slide axis of base, the slide axis runs through briquetting, locking disk and locking collar, locking collar and slide axis joint, briquetting central authorities are equipped with the ejector pin, the driving motor top is equipped with the hand wheel, the slide axis top is equipped with the apical ring.
Preferably, one end of the sliding shaft is a shaft head, the other end of the sliding shaft is provided with shaft end threaded holes, and shaft grooves are distributed at equal intervals outside the sliding shaft;
the base is internally provided with three seat shaft holes distributed in an annular array, and the outer side of the base is provided with three supporting legs distributed in an annular array.
Preferably, the center of the circle of the pressing block is provided with a middle block, the edge of the pressing block is provided with three edge blocks distributed in an annular array mode, edge block holes penetrating the edge blocks in the axial direction are formed in the edge blocks, a middle block hole is formed in the middle block, the middle block hole is communicated with the sheet grooves distributed in the three annular arrays on the outer sides of the middle block hole, and threaded holes are formed in the sheet grooves.
Preferably, the end, which is not provided with the thread, of the ejector rod is provided with three rod edge blocks distributed in an annular array, and counter bores are formed in the rod edge blocks;
the locking dish middle part is opened there is the dish mesopore, the locking dish edge is opened the dish limit hole and the dish limit screw hole that have annular array to distribute, four inside fixed dish stands that just are annular array to distribute rather than the terminal surface of locking dish, the one end of dish stand dorsad locking dish is opened there is the stand axial hole, dish stand and the radial hole intercommunication of stand, the radial hole of stand is located the surface of dish stand towards the locking ring inner edge.
Preferably, the outer edge of the locking ring is provided with a sheet-shaped locking shifting sheet, the locking ring is internally provided with fixing grooves and clamping grooves which are distributed in an annular array, and one end of each clamping groove is provided with a clamping groove end hole;
the excircle of the driving motor is provided with outer grooves distributed in an annular array, the outer grooves are internally provided with groove inner blocks, the groove inner blocks are internally provided with through holes, and the excircle of the output shaft of the driving motor is provided with bayonets.
Preferably, the inner wall of the through hole in the center of the hand wheel is provided with raised lines distributed in an annular array, and the outer circle of the hand wheel is provided with outer shifting pieces distributed in an annular array.
As a further scheme of the present invention, the sliding shaft is located inside the shaft hole of the seat, the shaft head is attached to the lower surface of the disc-shaped portion of the base, a copper pipe is sleeved outside the sliding shaft, the copper pipe is fixed inside the edge block hole, the end of the ejector rod without threads is located inside the middle block hole, the rod edge block is located inside the slice groove, rod screws are arranged in the through hole in the rod edge block and the threaded hole in the slice groove, the end of the ejector rod with threads passes through the disc center hole to be in threaded connection with the output shaft of the driving motor, the sliding shaft passes through the edge block hole, the disc edge hole and the clamping groove, the top ring passes through the ring hole to enter the shaft end threaded hole to be connected with the sliding shaft through the upper ring screw, a top thread is arranged inside the radial hole of the upright column, a lower ring screw passing through the fixing groove is arranged inside the disc edge threaded hole, the lower ring screw passes through the ring gasket, the raised line is located inside the bayonet, a spring is arranged inside the outer groove above the groove block, a motor bolt is arranged inside the spring, the motor bolt passes through the groove to enter the axial hole of the inner block of the upright column to be located inside the lower side of the outer groove, the upright column clamping groove, the width of the clamping groove corresponds to the diameter of the inner side of the shaft groove, and corresponds to the diameter of the end of the shaft groove.
The invention has the technical effects and advantages that: according to the shell mounting equipment for production and processing of instruments and meters, the locking of the locking ring and the sliding shaft can be released by shifting the locking shifting sheet of the locking ring, so that the locking disc can rapidly move in the axial direction of the sliding shaft, a pressing interval can be adjusted in a large range, and the trouble caused by the fact that a screw rod needs to be screwed for a plurality of circles when the conventional bench clamp realizes the function is avoided;
the locking ring is respectively connected with the shaft grooves of the excircles of the three sliding shafts through the three clamping grooves distributed in an annular array, and a triangular stress frame is formed by the connection structure of the three clamping grooves and the shaft grooves, so that the frame has high stability and stress capacity;
the pressing block keeps the parallel state of the base and the pressing block through the matching of the copper pipe in the side block hole and the sliding shaft, so that the effect of ensuring the parallelism is realized, the design can avoid the problem that one member is stressed unevenly when the base and the shell of the instrument are connected, and the assembly precision of the instrument is optimized;
the locking disc restrains the rotation of the driving motor and enables the driving motor to move only in the axial direction, the reaction force can compress the spring when the driving motor performs pressing operation, the spring plays a role in buffering the force acting on the workpiece, and no gasket is arranged on the surface of the pressing block and the base, so that the problem that the parallelism of the base and the pressing block is poor due to the arrangement of the buffering assembly is avoided.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention in a separated state;
FIG. 3 is a schematic view of a slide shaft according to the present invention;
FIG. 4 is a schematic view of a base structure of the present invention;
FIG. 5 is a schematic view of a compact of the present invention;
FIG. 6 is a schematic view of the ejector pin structure of the present invention;
FIG. 7 is a schematic view of the locking disk of the present invention;
FIG. 8 is a schematic view of a locking ring structure of the present invention;
FIG. 9 is a schematic view of the driving motor of the present invention;
FIG. 10 is a schematic view of a hand wheel according to the present invention;
fig. 11 is a schematic view of the top ring structure of the present invention.
In the figure: 1. a slide shaft; 101. a shaft head; 102. a shaft groove; 103. a shaft end threaded hole; 2. a base; 201. a seat shaft hole; 202. supporting legs; 3. a copper tube; 4. briquetting; 401. a middle block; 402. a middle block hole; 403. a sheet groove; 404. an edge block; 405. a side block hole; 5. a top rod; 501. a rod edge block; 5A, a rod screw; 6. a locking disk; 601. a disk center hole; 602. a dish edge hole; 603. a disc edge threaded hole; 604. a disc column; 605. a column radial hole; 606. an axial hole of the upright post; 6A, jackscrew; 7. a locking ring; 701. fixing grooves; 702. a card slot; 703. a slot end hole; 704. locking the shifting piece; 7A, a lower ring screw; 7B, a ring gasket; 8. a drive motor; 801. an outer tank; 802. an in-groove block; 803. a bayonet; 9. a spring; 10. a motor bolt; 11. a hand wheel; 1101. a convex strip; 1102. an outer plectrum; 12. a top ring; 1201. annular holes; 12A, an upper ring screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a casing erection equipment is used in instrument and meter production and processing, briquetting 4 including base 2 and its top, 4 tops of briquetting are equipped with locking plate 6, 6 tops of locking plate are equipped with locking ring 7, 6 tops of locking plate are equipped with driving motor 8, 2 built-in three slide shafts 1 of base, slide shaft 1 runs through briquetting 4, locking plate 6 and locking ring 7, locking ring 7 and slide shaft 1 joint, 4 central authorities of briquetting are equipped with ejector pin 5, 8 tops of driving motor are equipped with hand wheel 11, 1 tops of slide shafts are equipped with apical ring 12.
Referring to fig. 3-4, a shaft head 101 is arranged at one end of the sliding shaft 1, a shaft end threaded hole 103 is formed at the other end of the sliding shaft 1, shaft grooves 102 are formed in the outer part of the sliding shaft 1 and are distributed at equal intervals, and the width of each shaft groove 102 corresponds to the thickness of the locking ring 7;
the inner part of the base 2 is provided with three seat shaft holes 201 distributed in an annular array, the outer side of the base 2 is provided with three supporting legs 202 distributed in an annular array, and the base 2 and the sliding shaft 1 are in interference fit.
Referring to fig. 5, a center block 401 is arranged at the center of the pressing block 4, three side blocks 404 distributed in an annular array are arranged at the edge of the pressing block 4, side block holes 405 penetrating the side blocks in the axial direction are formed in the side blocks 404, a middle block hole 402 is formed in the middle block 401, the middle block hole 402 is communicated with three sheet grooves 403 distributed in an annular array on the outer side of the middle block hole 402, threaded holes are formed in the sheet grooves 403, and the pressing block 4 increases the structural strength of a connecting part through the middle block 401 and the side blocks 404.
Referring to fig. 6-8, the end of the top rod 5 without threads is provided with three rod edge blocks 501 distributed in an annular array, a counter bore is formed in the rod edge block 501, and the rotation of the top rod 5 is inhibited by the rod edge blocks 501;
the middle of the locking disk 6 is provided with a disk center hole 601, the edge of the locking disk 6 is provided with disk edge holes 602 and disk edge threaded holes 603 which are distributed in an annular array, four disk columns 604 which are vertical to the end surface and distributed in an annular array are fixed inside the locking disk 6, one end of each disk column 604, which faces away from the locking disk 6, is provided with a column axial hole 606, each disk column 604 is communicated with a column radial hole 605, each column radial hole 605 is positioned on the surface of each disk column 604, which faces the inner edge of the locking ring 7, and the locking disk 6 can inhibit the rotation of the driving motor 8.
Referring to fig. 8-9, the outer edge of the locking ring 7 is provided with a sheet-shaped locking pick 704, the locking ring 7 is provided with a fixing groove 701 and a clamping groove 702 distributed in an annular array, one end of the clamping groove 702 is provided with a clamping groove end hole 703, and the diameter of the clamping groove end hole 703 corresponds to the outer diameter of the sliding shaft 1;
Referring to fig. 10, the inner wall of the through hole of the center of the hand wheel 11 is provided with protruding strips 1101 distributed in an annular array, and the outer circle of the hand wheel 11 is provided with outer shifting pieces 1102 distributed in an annular array.
Referring to fig. 1 to 11, the sliding shaft 1 is located inside the seat shaft hole 201, the shaft head 101 is attached to the lower surface of the disc-shaped portion of the base 2, a copper pipe 3 is sleeved outside the sliding shaft 1, the copper pipe 3 is fixed inside the side block hole 405, the end of the ejector rod 5 without threads is located inside the middle block hole 402, the rod side block 501 is located inside the sheet groove 403, rod screws 5A are arranged in through holes in the rod side block 501 and threaded holes in the sheet groove 403, the end of the ejector rod 5 with threads passes through the disc center hole 601 to be in threaded connection with an output shaft of the driving motor 8, the sliding shaft 1 passes through the side block hole 405, the disc side hole 602 and the clamp groove 702, the top ring 12 passes through the ring hole 1201 to enter the threaded hole 103 to be connected with the sliding shaft 1 through the upper ring screw 12A, a top thread 6A is arranged inside the column radial hole 605, a lower ring screw 7A passing through the fixed groove 701 is arranged inside the disc side threaded hole 603, the lower ring screw 7A passes through the ring gasket 7B, the raised strip is located inside the clamp hole 803, a spring 9 is arranged inside the outer groove 802 above the groove 802, a bolt 9 is arranged inside the disc side hole 603, a bolt 10 is arranged inside the axial hole of the shaft end of the shaft, and a diameter of the upright column corresponds to enter the shaft end of the shaft 102 of the shaft, and the clamp groove 702 of the upright column, and the axial diameter of the shaft 102 of the motor, and the shaft hole, the axial end of the shaft hole 801, the shaft of the upright column 800 of the upright post block is located inside the shaft, and the axial hole, the axial hole of the shaft of the motor, the upright post hole, the shaft hole, the axial hole 702 of the axial hole, and the diameter of the axial hole 702 of the axial hole of the upright post hole 702 of the upright post hole is located inside the upright post hole 801 is located inside the upright post hole 702 of the upright post 10 of the upright post hole 702.
The use method of the shell installation equipment for production and processing of instruments and meters comprises the steps of firstly poking the fixing groove 701 to rotate the locking ring 7 to enable the clamping groove end hole 703 to be concentric with the adjacent sliding shaft 1, determining the rotation resistance of the locking ring 7 by the screwing degree of a lower ring screw 7A, adjusting the distance between the pressing block 4 and the base 2 according to the volume of the instrument and meter to be combined, poking the fixing groove 701 to buckle the clamping groove 702 into the shaft groove 102 to lock the positions of the locking disc 6 and the sliding shaft 1, and placing the shell and the base to be combined above the base 2;
the driving motor 8 is started during electric driving, the ejector rod 5 moves in the axial direction when the driving motor 8 rotates, and the pressing block 4 is pushed by the ejector rod 5 to press the shell to be combined with the base, so that the assembly of the instrument is completed;
during manual driving, the hand wheel 11 is sleeved outside the output shaft of the driving motor 8, the convex strips 1101 are buckled inside the bayonet 803, the output shaft of the driving motor 8 is driven to rotate by stirring the outer poking sheet 1102, the outer diameter of the hand wheel 11 is smaller than the inner diameter of the top ring 12, and the sliding shaft 1, the base 2 and the top ring 12 form a closed frame structure and have good structural strength;
reaction force can be applied to the axial direction of the spring 9 when the driving motor 8 rotates, force applied to a workpiece is buffered through deformation of the spring 9, the disc upright post 604 is positioned in the outer groove 801, the shell of the driving motor 8 can be restrained from rotating, the driving motor 8 can only move in the axial direction, the prepressing degree of the spring 9 can be adjusted by rotating 10, accordingly, the threshold value of buffering force is adjusted, and the position of the motor bolt 10 can be locked by rotating the jackscrew 6A, so that the prepressing state of the spring 9 is kept.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides an instrument and meter is casing erection equipment for production and processing, includes base (2) and briquetting (4) of its top, its characterized in that: the locking device is characterized in that a locking disc (6) is arranged above the pressing block (4), a locking ring (7) is arranged above the locking disc (6), a driving motor (8) is arranged above the locking disc (6), three sliding shafts (1) are arranged in the base (2), the sliding shafts (1) penetrate through the pressing block (4), the locking disc (6) and the locking ring (7), the locking ring (7) is connected with the sliding shafts (1) in a clamping mode, a mandril (5) is arranged in the center of the pressing block (4), a hand wheel (11) is arranged above the driving motor (8), protruding strips (1101) distributed in an annular array are arranged on the inner wall of a through hole in the circle center of the hand wheel (11), a top ring (12) is arranged at the top of the sliding shaft (1), outer grooves (801) distributed in an annular array are formed in the excircle of the driving motor (8), and inner blocks (802) are arranged in the outer grooves (801);
one end of the sliding shaft (1) is a shaft head (101), the other end of the sliding shaft (1) is provided with a shaft end threaded hole (103), and shaft grooves (102) which are distributed at equal intervals are formed in the outer part of the sliding shaft (1);
three seat shaft holes (201) distributed in an annular array are formed in the base (2), and three supporting legs (202) distributed in an annular array are arranged on the outer side of the base (2);
a middle block (401) is arranged at the center of the circle of the pressing block (4), three edge blocks (404) distributed in an annular array are arranged at the edge of the pressing block (4), edge block holes (405) penetrating the edge blocks in the axial direction are formed in the edge blocks (404), a middle block hole (402) is formed in the middle block (401), the middle block hole (402) is communicated with three sheet grooves (403) distributed in an annular array on the outer side of the middle block hole, and threaded holes are formed in the sheet grooves (403);
the end, which is not provided with the thread, of the ejector rod (5) is provided with three rod edge blocks (501) distributed in an annular array, and counter bores are formed in the rod edge blocks (501);
a disc center hole (601) is formed in the middle of the locking disc (6), disc edge holes (602) and disc edge threaded holes (603) which are distributed in an annular array are formed in the edge of the locking disc (6), four disc columns (604) which are perpendicular to the end face of the locking disc (6) and distributed in an annular array are fixed in the locking disc (6), a column axial hole (606) is formed in one end, back to the locking disc (6), of each disc column (604), each disc column (604) is communicated with a column radial hole (605), and each column radial hole (605) is located on the surface, facing the inner edge of the locking ring (7), of each disc column (604);
the sliding shaft (1) is positioned in the seat shaft hole (201), the shaft head (101) is attached to the lower surface of the disc-shaped part of the base (2), a copper pipe (3) is sleeved outside the sliding shaft (1), the copper pipe (3) is fixed inside the edge block hole (405), the end of the ejector rod (5) without threads is positioned in the middle block hole (402), the rod side block (501) is positioned inside the sheet groove (403), rod screws (5A) are arranged in the through holes in the rod side block (501) and the threaded holes in the sheet groove (403), one end of the ejector rod (5) with threads passes through the disc middle hole (601) to be in threaded connection with an output shaft of the driving motor (8), the sliding shaft (1) passes through the edge block hole (405), the disc edge hole (602) and the clamping groove (702), the top ring (12) passes through the ring hole (1201) through an upper ring screw (12A) and enters the interior of the shaft end threaded hole (103) to be connected with the sliding shaft (1), a jackscrew (6A) is arranged in the column radial hole (605), a lower ring screw (7A) penetrating through the fixing groove (701) is arranged in the disc edge threaded hole (603), the lower ring screw (7A) penetrates through the ring gasket (7B), the convex strip (1101) is positioned inside the bayonet (803), and a spring (9) is arranged in the outer groove (801) above the groove inner block (802).
2. The apparatus of claim 1, wherein the apparatus further comprises: the outer edge of the locking ring (7) is provided with a sheet-shaped locking shifting sheet (704), the locking ring (7) is internally provided with fixing grooves (701) and clamping grooves (702) which are distributed in an annular array, and one end of each clamping groove (702) is provided with a clamping groove end hole (703);
the groove inner block (802) is internally provided with a through hole, and the excircle of the output shaft of the driving motor (8) is provided with a bayonet (803).
3. The apparatus of claim 2, wherein the apparatus further comprises: the outer circle of the hand wheel (11) is provided with outer shifting pieces (1102) distributed in an annular array.
4. The apparatus of claim 3, wherein the apparatus further comprises: the novel sliding shaft is characterized in that a motor bolt (10) is arranged inside the spring (9), the motor bolt (10) penetrates through the groove inner block (802) to enter the vertical column axial hole (606), the disc vertical column (604) is located inside the lower side of the outer groove (801), the width of the clamping groove (702) corresponds to the diameter of the inner side of the shaft groove (102), and the diameter of the clamping groove end hole (703) corresponds to the diameter of the sliding shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110497940.6A CN113182810B (en) | 2021-05-08 | 2021-05-08 | Shell installation equipment for production and processing of instruments and meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110497940.6A CN113182810B (en) | 2021-05-08 | 2021-05-08 | Shell installation equipment for production and processing of instruments and meters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113182810A CN113182810A (en) | 2021-07-30 |
| CN113182810B true CN113182810B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110497940.6A Active CN113182810B (en) | 2021-05-08 | 2021-05-08 | Shell installation equipment for production and processing of instruments and meters |
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| CN (1) | CN113182810B (en) |
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| CN208854118U (en) * | 2018-10-10 | 2019-05-14 | 江门市精悍智能科技有限公司 | A kind of box cover sealing ring struts press-in device |
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| CN210413371U (en) * | 2019-08-23 | 2020-04-28 | 河源普天通讯技术有限公司 | Waterproof wire clamp front end bayonet press-in device |
| CN210938033U (en) * | 2019-09-28 | 2020-07-07 | 绍兴吉田自动化设备有限公司 | Novel servo end cover press |
| CN110842507A (en) * | 2019-11-26 | 2020-02-28 | 中海石油东营石化有限公司 | Shell installation equipment for production and processing of instruments and meters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013127246A1 (en) * | 2012-03-02 | 2013-09-06 | Tang Wenji | Rotating table apparatus able to be mounted in arm rest of seat or bed |
| CN203076856U (en) * | 2013-01-06 | 2013-07-24 | 上海超滤压缩机净化设备有限公司 | Rotating disc type filter element automatic assembling device |
| CN106217002A (en) * | 2016-08-31 | 2016-12-14 | 中山市拓电电子科技有限公司 | A kind of CPU automatic clamping and placing module and CPU automatic clamping and placing method |
| CN211733569U (en) * | 2020-03-13 | 2020-10-23 | 重庆师范大学 | Photovoltaic board installation auxiliary device for photovoltaic power generation |
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| CN113182810A (en) | 2021-07-30 |
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