CN112157294B - Device and method for punching mounting holes in equipment cabin - Google Patents
Device and method for punching mounting holes in equipment cabin Download PDFInfo
- Publication number
- CN112157294B CN112157294B CN202010814454.8A CN202010814454A CN112157294B CN 112157294 B CN112157294 B CN 112157294B CN 202010814454 A CN202010814454 A CN 202010814454A CN 112157294 B CN112157294 B CN 112157294B
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- Prior art keywords
- equipment
- beam splitting
- mounting hole
- laser
- linear guide
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
Abstract
The invention discloses a device and a method for punching a mounting hole in an equipment cabin, wherein the device comprises a height-adjusting bracket and a positioning module arranged at the upper end of the height-adjusting bracket; the positioning module comprises an upright post and a plurality of linear guide rails vertically fixed with the upright post; the top of the upright post is provided with a plane mirror, the joint of the upright post and the linear guide rail is provided with a beam splitting prism, two ends of the linear guide rail are respectively provided with a reflecting mirror, and the plane mirror and the beam splitting prism are arranged in parallel; the lower end of the upright post is provided with a laser generator and a positioning scale. The invention utilizes the positioning scale to determine the relative positions of the positioning module and the equipment to be installed, the single laser beam is divided into a plurality of laser beams through refraction and reflection of the beam splitting prism and the plane mirror, the laser beams are respectively injected into the reflectors at the left side and the right side, and then the angles of the reflectors are adjusted, so that each light beam respectively points to the center of the installation hole of the equipment to be installed, and the positioning module can accurately determine the position of the installation hole of the equipment to be installed, thereby being capable of accurately and quickly positioning, avoiding a great deal of work such as repeatedly moving the equipment to be installed and saving the cost.
Description
Technical Field
The invention belongs to the technical field of equipment installation, and particularly relates to a device and a method for punching an installation hole in an equipment cabin.
Background
The ground equipment vehicles are mostly in the structure form that equipment cabins are additionally arranged on chassis and equipment is installed in the equipment cabins, as shown in fig. 1, the equipment cabins 1' are installed on a cross beam of the chassis 2', and the installation equipment 3' is installed in the equipment cabins 1' through bolts 4 '. The micro deformation can occur in the process of installing the equipment cabin 1' on the chassis 2', so that the installation holes of the installation equipment 3' in the equipment cabin 1' are all prepared after the equipment cabin 1' is installed.
The existing punching mode has two modes: firstly, placing equipment to be installed in an equipment cabin, after adjusting the installation position, using a hole site in the equipment cabin for installing Kong Huachu equipment of the equipment to be installed, then taking down the equipment to be installed, and punching according to the marked hole site. According to the method, the equipment to be installed needs to be repeatedly moved, and because the equipment cabin is higher in position, the equipment to be installed is heavier, time and labor are wasted by means of a forklift, and meanwhile, the paint layers on the bottom surface of the equipment to be installed and the surface of the equipment cabin cannot be scratched by repeatedly moving the equipment to be installed, so that the appearance quality is affected. Secondly, manufacturing a template with holes, manufacturing a template according to the interface size of equipment to be installed, wherein the hole site size on the template is consistent with the size of the equipment to be installed, placing the template in an equipment cabin during hole punching, and punching by referring to the hole site of the template. The method avoids repeatedly moving the equipment to be installed, but the punching template is prepared in advance, so that the hole site is accurate, the interface matching inspection is required to be carried out with the equipment to be installed, if the equipment to be installed is more in variety and smaller in batch, the preparation work needs longer time, and the cost is higher.
Disclosure of Invention
The invention aims to provide a device and a method for punching mounting holes in an equipment cabin, which are used for solving the problems that the appearance is easily damaged, time and labor are wasted, the preparation time of a punching sample plate is long, the cost is high and the like when equipment to be mounted is repeatedly moved.
In order to achieve the above object, according to one aspect of the present invention, there is provided an apparatus for installing and punching an installation hole in an equipment compartment, including a height-adjusting bracket and a positioning module installed at the top of the height-adjusting bracket; the positioning module comprises a stand column and a plurality of linear guide rails which are vertically fixed with the stand column; the top of the upright post is provided with a plane mirror, the joint of the upright post and the linear guide rail is provided with a beam splitting prism, two ends of each linear guide rail are respectively provided with a reflecting mirror, and the plane mirror and the beam splitting prism are arranged in parallel; the lower end of the upright post is provided with a laser generator and a positioning scale.
According to the invention, two ends of the linear guide rail are respectively provided with a sliding block, and the reflective mirror is fixed on the sliding blocks and can slide left and right along with the sliding blocks. Preferably, a stop means is provided on the slider to lock the mirror. Preferably, the slider is further provided with a mounting hole for mounting the reflector.
According to the invention, the reflector is provided with the ball joint bearing, so that the reflector can rotate within a 90-degree space range. Preferably, the mirror is further provided with a lock lever to achieve positional fixation of the mirror.
According to the invention, the linear guide rails are fixed on the upright posts by bolts, and the distances between adjacent linear guide rails are the same. Preferably, the number of the linear guide rails is half of the number of the matched mounting holes. Preferably, the laser generator is fixed on the upright post through a clamping groove.
According to the invention, the lower end of the upright post is provided with the outwards protruding cross beam, the cross beam is provided with the guide groove for fixing the positioning scale, and the positioning scale is arranged in the guide groove and can slide up and down along the guide groove to adjust the height. Preferably, the positioning scale is provided with a locking rod to fix the position of the positioning scale.
According to the invention, the height-adjusting bracket comprises a middle rod fixedly connected with the upright post, and a plurality of supporting legs are arranged on the periphery of the middle rod. Preferably, the number of the support legs is three.
Preferably, the support leg is hinged with a slip ring arranged on the middle rod through a connecting rod, the slip ring slides along the middle rod, and a locking rod for locking is arranged on the slip ring so as to adjust and lock the opening and closing angle of the support leg through the connecting rod.
According to the invention, the number of the connecting rods is three, one ends of the three connecting rods are arranged on the same slip ring, and the other ends of the three connecting rods are respectively arranged on the three supporting legs correspondingly.
According to the invention, the top of the middle rod is in threaded connection with the bottom of the upright. Preferably, the middle part of the middle rod is provided with a limit, and the lower part of the middle rod is provided with a guide groove for axially and radially positioning the slip ring. Preferably, the three support legs are of a multi-section telescopic structure, and a lock catch is arranged on the three support legs for locking the extending length. Preferably, a hook is mounted at the bottom of the middle rod and used for hanging a counterweight to stabilize the height-adjusting bracket.
According to another aspect of the present invention, there is also provided a method for punching by using an apparatus for punching mounting holes in an equipment bay, comprising the steps of:
s1, moving the device to the side of equipment to be installed, and adjusting the length of the supporting leg and the position of the slip ring to enable the height of the heightening bracket to be lowered and locked; and then the height of the positioning scale is adjusted, so that the lower surface of the positioning scale is clung to a placement plane of the equipment to be installed, and the front end surface of the positioning scale is clung to the middle position of the outer vertical surface of the equipment to be installed and locked.
S2, opening and adjusting a laser generator to enable laser to vertically enter each beam splitting prism, wherein one part of laser is refracted by the beam splitting prism to a reflector positioned at one side of the linear guide rail, the other part of laser linearly passes through the beam splitting prism to continue to enter the next beam splitting prism for beam splitting, the laser linearly passes through the beam splitting prism until the laser enters the plane mirror, and then the laser is reflected to enter the beam splitting prism again, and one part of laser is refracted by the beam splitting prism to be positioned on the reflector positioned at the other side of the linear guide rail; the other part of laser linearly passes through the beam splitting prism and continuously enters the next beam splitting prism for beam splitting; and adjusting the position of the sliding block on the linear guide rail and the angle of the reflecting mirror on the sliding block, so that each laser beam is positioned to the center of each mounting hole of the equipment to be mounted, and locking the sliding block and the reflecting mirror.
S3, moving the device to the side of the equipment cabin, adjusting the height of the heightening bracket, enabling the lower surface of the positioning scale (7) to cling to a plane to be installed in the equipment cabin, and locking the heightening bracket (7); the mobile device is used for determining the installation position of the equipment to be installed by locating the position of the front end face of the scale (7);
s4, turning on the laser generator, and preparing the threaded holes according to the pointing positions of the laser beams.
The invention has the beneficial effects that:
according to the device and the method for punching the mounting hole in the equipment cabin, the relative positions of the positioning module and the equipment to be mounted are determined by utilizing the positioning scale, then the single laser beam is divided into a plurality of laser beams through refraction and reflection actions of the beam splitting prism and the plane mirror and respectively injected into the reflectors positioned at the left side and the right side, and then each light beam respectively points to the center of the mounting hole of the equipment to be mounted by adjusting the angle of each reflector, after the movable parts such as the positioning scale and the reflectors on the positioning module are locked, the positioning module can accurately determine the positions of the mounting hole of the equipment to be mounted, so that the mounting hole positions of the equipment to be mounted can be accurately and rapidly positioned in the equipment cabin according to different equipment to be mounted, a large amount of work such as repeated movement of the equipment to be mounted for punching or manufacturing and punching templates is omitted, the appearance quality of the equipment to be mounted and the equipment cabin is guaranteed, and the time, material and labor costs are effectively saved.
Drawings
FIG. 1 is a schematic view of a prior art installation of equipment cabins and equipment installed in equipment cabins on a chassis of a ground equipment vehicle;
FIG. 2 is a front view of the device for installing and punching mounting holes in the equipment compartment of the invention;
FIG. 3 is a side view of the device for installing and punching mounting holes in the equipment compartment of the present invention;
fig. 4 is a view showing a path of a light beam when a hole is punched by using the device for punching a mounting hole in an equipment room according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be emphasized that the specific embodiments described herein are merely illustrative of some, but not all embodiments of the invention, and are not intended to limit the invention. Further, technical features relating to the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 2 and 3 in combination, the device for drilling the mounting holes in the equipment cabin comprises a height-adjusting bracket and a positioning module arranged on the top of the height-adjusting bracket. The positioning module comprises a stand column 1, and a plurality of linear guide rails 2 are vertically fixed on the stand column 1. The top of stand 1 is provided with plane mirror 3, and stand 1 and linear guide 2 junction is provided with beam splitting prism 4, and plane mirror 3 and beam splitting prism 4 parallel arrangement. The beam splitting prism is formed by gluing a pair of high-precision right-angle prisms, and the inclined edges of the prisms are plated with beam splitting dielectric films, so that partial light passes through when 45 degrees of incidence are realized, and partial light is reflected by 90 degrees. The plane mirror 3 and the beam splitting prisms 4 can be glued in the reserved interfaces of the upright posts 1, the plane mirror 3 is positioned at the top of the upright posts 1, and the plane mirror 3 and the beam splitting prisms 4 are ensured to be parallel during gluing.
Referring to fig. 1 to 3, each linear guide rail 2 is provided at both ends thereof with a slider, and a mirror 5 is fixed to the slider and can slide left and right along with the slider, and the slider is provided with a mounting hole for mounting the mirror 5. The slide is provided with a stop device which can lock the reflector 5. The reflector 5 is provided with a ball joint bearing, and can rotate within a 90-degree space range. Specifically, a lock lever is further provided on the mirror 5 to achieve positional fixation of the mirror 5.
According to the present invention, the linear guides 2 can be fixed to the column 1 by bolts, and the pitches of adjacent linear guides 2 are the same. The number of the linear guide rails 2 is half of the number of the matched mounting holes, or the number of the linear guide rails 2 is identical to the number of the reflectors 5. In the embodiment shown in the figure, the positioning module is provided with three linear guide rails 2, so that the positioning of the left and right 3 mounting holes can be realized, and the number of the linear guide rails 2 and the light splitting prisms 4 can be increased, thereby increasing positioning beams, realizing the positioning of more mounting holes, or realizing the positioning of the appearance position of equipment to be mounted.
As shown in fig. 3, a laser generator 6 is provided at the lower end of the column 1 and at the lower ends of all the beam splitting prisms 4. The laser generator 6 is located in line with the beam splitting prism 4 and the plane mirror 3. The laser generator 6 is fixed on the upright post 1 through a clamping groove, and can be connected and fixed in other modes such as threads.
As shown in fig. 3, the lower end of the upright 1 is provided with an outwards protruding cross beam, a guide groove for fixing the positioning scale 7 is formed in the cross beam, and the positioning scale 7 is installed in the guide groove and can slide up and down along the guide groove to adjust the height. Preferably, the positioning scale 7 is L-shaped and perpendicular to the cross beam.
The slide block, the reflector 5 and the positioning scale 7 on the linear guide rail 2 of the positioning module can also be adjusted and locked manually, or a motor and related control equipment are added, or semi-automatic adjustment and locking are adopted.
As shown in fig. 2 and 3, the height-adjusting bracket comprises a middle rod 8 fixedly connected with the upright 1, wherein the top of the middle rod 8 is in threaded connection with the bottom of the upright 1, but other manners can be adopted, and the invention is not limited to this.
According to the present invention, a plurality of legs 11 may be provided on the peripheral side of the center pole 8. Referring to fig. 2 and 3, three legs 11 are provided at the circumference of the middle rod 8, the legs 11 are hinged with a slip ring 9 provided on the middle rod 8 through a connecting rod 10, the slip ring 9 slides along the middle rod 8 and a locking rod for locking is provided on the slip ring 9, and the opening and closing angles of the three legs 11 are adjusted and locked through the connecting rod 10.
As shown in fig. 3, the connecting rods 10 are three, one ends of which are fixed on the same slip ring 9, and the other ends of which are respectively and correspondingly arranged on three supporting legs 11. The middle part of the middle rod 8 is provided with a limit, so that the situation that the height-adjusting support is unstable due to the uncertain opening angle of the supporting leg 11 can not occur even if the sliding ring 9 is not locked when the height-adjusting support is adjusted. The lower part of the intermediate rod 8 is provided with guide grooves for axially and radially positioning the slip ring 9. The bottom of the middle rod 8 is provided with a hook 12 for hanging a counterweight to stabilize the heightening bracket.
Preferably, the three legs 11 are of a multi-section telescopic structure, on which a latch is provided to lock the extension length. The height-adjusting support is preferably a triangular support leg structure, and mainly aims to fix the positioning module and adjust the height of the positioning module, and other structures such as a spiral lifter, a gear rack lifter and the like can be selected as the height-adjusting support, so that the functions can be mainly realized.
The invention provides a punching method adopting the device for punching the mounting holes in the equipment cabin, which comprises the following steps: s1, moving the device to the side of equipment to be installed, adjusting the lengths of the three supporting legs 11 and the position of the slip ring 9, and reducing the height of the heightening bracket to a low position and locking; and then the height of the positioning scale 7 is adjusted, so that the lower surface of the positioning scale 7 is clung to a placing plane of the equipment to be installed, and the front end surface of the positioning scale 7 is clung to the middle position of the outer vertical surface of the equipment to be installed and locked.
S2, opening and adjusting a laser generator 6 to enable laser to vertically enter a beam splitting prism 4, refracting a part of laser to a reflector 5 positioned on one side of a linear guide rail 2 through the beam splitting prism 4, enabling another part of laser to linearly pass through the beam splitting prism 4 and continuously enter the next beam splitting prism 4 for beam splitting, enabling the laser which linearly passes through to enter the plane mirror 3 and then enter the beam splitting prism 4 again through reflection, refracting a part of laser to the reflector 5 positioned on the other side of the linear guide rail 2 through the beam splitting prism 4, and enabling another part of laser to linearly pass through the beam splitting prism 4 and continuously enter the next beam splitting prism 4 for beam splitting. The position of the slide block on the linear guide rail 2 and the angle of the reflector 5 on the slide block are adjusted to enable each laser beam to be positioned at the center of each mounting hole of the equipment to be mounted, and the slide block and the reflector 5 are locked.
S3, moving the device to the side of the equipment cabin, adjusting the height of the heightening bracket, enabling the lower surface of the positioning scale 7 to cling to a plane to be installed in the equipment cabin, and locking the heightening bracket 7; and the moving device determines the installation position of the equipment to be installed by locating the position of the front end surface of the scale 7. S4, turning on the laser generator 6, and preparing threaded holes according to the pointing positions of the laser beams.
The above description is of the preferred application of the present invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (16)
1. The device for punching the mounting holes in the equipment cabin is characterized by comprising a heightening bracket and a positioning module arranged at the top of the heightening bracket; the positioning module comprises an upright post (1) and a plurality of linear guide rails (2) which are vertically fixed with the upright post (1); a plane mirror (3) is arranged at the top of the upright post (1), a beam splitting prism (4) is arranged at the joint of the upright post (1) and the linear guide rail (2), a reflecting mirror (5) is respectively arranged at two ends of each linear guide rail (2), and the plane mirror (3) and the beam splitting prism (4) are arranged in parallel; the lower end of the upright post (1) is provided with a laser generator (6) and a positioning scale (7);
two ends of the linear guide rail (2) are respectively provided with a sliding block, and the reflective mirror (5) is fixed on the sliding blocks and can slide left and right along with the sliding blocks;
the height-adjusting bracket comprises a middle rod (8) fixedly connected with the upright post (1), and a plurality of supporting legs (11) are arranged on the periphery of the middle rod (8);
the support leg (11) is hinged with a slip ring (9) arranged on the middle rod (8) through a connecting rod (10), the slip ring (9) slides along the middle rod (8), a locking rod for locking is arranged on the slip ring (9), and the opening and closing angle of the support leg (11) is adjusted and locked through the connecting rod (10);
the method for punching the equipment cabin by matching the installation hole punching device comprises the following steps:
s1, moving the device to the side of equipment to be installed, and adjusting the length of the supporting leg (11) and the position of the slip ring (9) to reduce and lock the height of the heightening support; the height of the positioning scale (7) is adjusted, so that the lower surface of the positioning scale (7) is clung to a placing plane of equipment to be installed, and the front end surface of the positioning scale (7) is clung to the middle position of the outer vertical surface of the equipment to be installed and locked;
s2, opening and adjusting a laser generator (6) to enable laser to vertically irradiate into each beam splitting prism (4), refracting one part of laser to a reflector (5) positioned on one side of the linear guide rail (2) through the beam splitting prisms (4), enabling the other part of laser to linearly penetrate through the beam splitting prisms (4) to continuously irradiate into the next beam splitting prism (4) for beam splitting, enabling the laser which linearly penetrates through the beam splitting prisms to continuously irradiate into the beam splitting prisms (4) after the laser is irradiated into the plane mirror (3) through reflection, refracting one part of the laser to the reflector (5) positioned on the other side of the linear guide rail (2) through the beam splitting prisms (4), and enabling the other part of the laser to linearly penetrate through the beam splitting prisms (4) to continuously irradiate into the next beam splitting prisms (4) for beam splitting; the position of a sliding block on the linear guide rail (2) and the angle of a reflecting mirror (5) on the sliding block are adjusted, so that each laser beam is positioned to the center of each mounting hole of equipment to be mounted, and the sliding block and the reflecting mirror (5) are locked;
s3, moving the device to the side of the equipment cabin, adjusting the height of the heightening bracket, enabling the lower surface of the positioning scale (7) to cling to a plane to be installed in the equipment cabin, and locking the heightening bracket; the mobile device is used for determining the installation position of the equipment to be installed by locating the position of the front end face of the scale (7);
s4, turning on a laser generator (6), and preparing threaded holes according to the pointing positions of the laser beams.
2. The equipment room mounting hole punching device according to claim 1, characterized in that a stop device for locking the reflector (5) is arranged on the sliding block.
3. The equipment cabin interior mounting hole punching device according to claim 1, wherein the sliding block is further provided with a mounting hole for mounting the reflector (5).
4. The equipment compartment internal mounting hole punching device according to claim 1, characterized in that the reflector (5) is provided with a ball joint bearing to realize the rotation within a space range of 90 degrees.
5. The equipment room interior mounting hole punching device according to claim 1, characterized in that the mirror (5) is provided with a lock lever to achieve a position fixing of the mirror (5).
6. The equipment room interior mounting hole punching device according to any one of claims 1 to 5, characterized in that the linear guide rails (2) are fixed on the upright (1) through bolts, and the adjacent linear guide rails (2) have the same interval.
7. The equipment room mounting hole punching device according to any one of claims 1 to 5, characterized in that the number of the linear guide rails (2) is half of the number of mounting holes to be punched.
8. The equipment room mounting hole punching device according to any one of claims 1 to 5, characterized in that the laser generator (6) is fixed on the upright (1) through a clamping groove.
9. The device for punching mounting holes in the equipment cabin according to claim 1, wherein the lower end of the upright (1) is provided with an outwards protruding cross beam, the cross beam is provided with a guide groove for fixing the positioning scale (7), and the positioning scale (7) is mounted in the guide groove and can slide up and down along the guide groove to adjust the height.
10. The equipment room interior mounting hole punching device according to claim 1, characterized in that the positioning scale (7) is provided with a locking rod to realize the position fixing of the positioning scale (7).
11. The equipment room interior mounting hole punching device according to claim 1, characterized in that the number of the supporting legs (11) is three.
12. The device for drilling mounting holes in the equipment compartment according to claim 1, wherein the number of the connecting rods (10) is three, one ends of the three connecting rods (10) are all arranged on the same slip ring (9), and the other ends are respectively arranged on the three supporting legs (11) correspondingly.
13. The equipment compartment internal mounting hole punching device according to claim 1, characterized in that the top of the middle rod (8) is in threaded connection with the bottom of the upright (1).
14. The equipment compartment internal mounting hole punching device according to claim 1, characterized in that the middle part of the middle rod (8) is provided with a limit, and the lower part is provided with a guide groove for axially and radially positioning the slip ring (9).
15. The equipment compartment internal mounting hole punching device according to claim 1, characterized in that the supporting leg (11) is of a multi-section telescopic structure and is provided with a lock catch for locking the extending length.
16. The equipment cabin interior mounting hole punching device according to claim 1, wherein a hook (12) is arranged at the bottom of the middle rod (8) and used for hanging a counterweight to stabilize the height-adjusting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814454.8A CN112157294B (en) | 2020-08-13 | 2020-08-13 | Device and method for punching mounting holes in equipment cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814454.8A CN112157294B (en) | 2020-08-13 | 2020-08-13 | Device and method for punching mounting holes in equipment cabin |
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| Publication Number | Publication Date |
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| CN112157294A CN112157294A (en) | 2021-01-01 |
| CN112157294B true CN112157294B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010814454.8A Active CN112157294B (en) | 2020-08-13 | 2020-08-13 | Device and method for punching mounting holes in equipment cabin |
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| CN205718980U (en) * | 2016-04-08 | 2016-11-23 | 中建五局工业设备安装有限公司 | A kind of prism bar system being quickly accurately positioned laser labelling |
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| CN107830848A (en) * | 2017-10-31 | 2018-03-23 | 中国冶集团有限公司 | New the construction line-putting device and construction method in the digging process of road and bridge place |
| CN207300250U (en) * | 2017-03-31 | 2018-05-01 | 中建五局工业设备安装有限公司 | The prism lever system of laser labelling is quickly accurately positioned under a kind of Double-working-condition |
| CN111379943A (en) * | 2020-04-21 | 2020-07-07 | 北京大学第三医院（北京大学第三临床医学院） | Projection equipment capable of adjusting contour line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0836144A (en) * | 1994-07-22 | 1996-02-06 | Miyachi Technos Corp | Laser branching device |
| CN202080043U (en) * | 2011-05-17 | 2011-12-21 | 赵潇 | Portable easel with posture memory function |
| CN102679965A (en) * | 2012-05-29 | 2012-09-19 | 葛洲坝集团第五工程有限公司 | Height-adjustable cross laser level |
| CN203184834U (en) * | 2013-01-28 | 2013-09-11 | 武汉市凯瑞迪激光技术有限公司 | Laser punching device for cigarette tipping paper graphic punching |
| CN205718980U (en) * | 2016-04-08 | 2016-11-23 | 中建五局工业设备安装有限公司 | A kind of prism bar system being quickly accurately positioned laser labelling |
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| CN207300250U (en) * | 2017-03-31 | 2018-05-01 | 中建五局工业设备安装有限公司 | The prism lever system of laser labelling is quickly accurately positioned under a kind of Double-working-condition |
| CN107830848A (en) * | 2017-10-31 | 2018-03-23 | 中国冶集团有限公司 | New the construction line-putting device and construction method in the digging process of road and bridge place |
| CN111379943A (en) * | 2020-04-21 | 2020-07-07 | 北京大学第三医院（北京大学第三临床医学院） | Projection equipment capable of adjusting contour line |
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| Publication number | Publication date |
|---|---|
| CN112157294A (en) | 2021-01-01 |
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