CN112145933B - Novel projection equipment is changed device - Google Patents
Novel projection equipment is changed device Download PDFInfo
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- CN112145933B CN112145933B CN202010776671.2A CN202010776671A CN112145933B CN 112145933 B CN112145933 B CN 112145933B CN 202010776671 A CN202010776671 A CN 202010776671A CN 112145933 B CN112145933 B CN 112145933B
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a novel replacement device for projection equipment, which comprises a wall body and a mounting plate, wherein the wall body is fixedly connected with the mounting plate through a plurality of screws, a first mounting groove is formed in the side wall of the mounting plate, which is far away from the wall body, the inside of the first mounting groove is connected with a connecting plate in a sliding manner, a limiting mechanism is arranged between the upper end of the connecting plate and the bottom of the first mounting groove, a second mounting groove communicated with the first mounting groove is formed in the inside of the upper end of the mounting plate, and a control mechanism is arranged between the second mounting groove and the connecting plate. The lifting device is reasonable in structural design, the supporting plate can be lifted, the projector can be conveniently replaced, convenience and rapidness are realized, high-altitude operation of workers is avoided, and potential safety hazards are reduced; the projector can be clamped firmly, so that the projector is not easy to fall off when being replaced and used, and the stability of the projector is kept.
Description
Technical Field
The invention relates to the technical field of projection equipment, in particular to a novel replacement device for projection equipment.
Background
The projector is an optical instrument which utilizes an optical element to amplify the profile of a workpiece and projects the workpiece onto a screen, can be used for measuring the profile by using transmitted light and also can be used for measuring the surface shape of a non-through hole and observing the surface of the part by using reflected light, is particularly suitable for measuring complex profiles and small workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, and has high inspection efficiency and convenient use; the method is widely applied to measuring rooms and production workshops, and is particularly suitable for the industries of instruments, meters and clocks.
The projector generally needs to be installed at a higher position, different projectors need to be used when different workpieces need to be inspected and measured, and when the existing projector is replaced, workers need to climb to the higher position to replace the projector, so that the replacement is inconvenient, and corresponding potential safety hazards can be brought to high-place operation of the workers; therefore, a new replacement device for a projection device is designed to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel replacement device for projection equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel replacement device for projection equipment comprises a wall body and a mounting plate, wherein the wall body is fixedly connected with the mounting plate through a plurality of screws, a first mounting groove is formed in the side wall of the mounting plate, which is far away from the wall body, of one side wall, a connecting plate is slidably connected to the inside of the first mounting groove, a limiting mechanism is arranged between the upper end of the connecting plate and the bottom of the first mounting groove, a second mounting groove communicated with the first mounting groove is formed in the inside of the upper end of the mounting plate, a control mechanism is arranged between the second mounting groove and the connecting plate, one end, which is far away from the wall body, of the connecting plate penetrates through a notch of the first mounting groove and extends to the outside of the mounting plate, a supporting plate is fixedly connected with the connecting plate, two supporting mechanisms are arranged between the lower end of the supporting plate and one side, which is far away from the wall body, an L-shaped plate is fixedly connected with the upper end of the supporting plate, and a projector is arranged at the upper end of the supporting plate, and a clamping mechanism is arranged between one side of the projector far away from the wall body and the upper end of the supporting plate.
Preferably, the limiting mechanism comprises a limiting block, a limiting groove, a rectangular block, a groove, a sliding groove, a limiting rod, a spring, a first pulley, a first pull rope and a through groove, the rectangular block is fixedly connected to the upper end of the bottom of the first mounting groove, the sliding groove is formed in the position, corresponding to the rectangular block, of the bottom of the first mounting groove, the limiting rod is connected to the inside of the sliding groove in a sliding manner, the spring is fixedly connected between the limiting rod and the bottom of the sliding groove, the groove is formed in the lower end of the rectangular block, the groove is close to one side wall of the wall body and penetrates through the through groove at the position, corresponding to the sliding groove, the limiting block is fixedly connected to the upper end of the connecting plate, the limiting groove is formed in the position, close to one side wall of the wall body, corresponding to the through groove, one end, far away from the connecting plate, of the limiting rod penetrates through the through groove and extends to the inside of the limiting groove, the lower end cell wall of spout rotates and is connected with first pulley, the gag lever post is close to the one end of wall body and is located the below fixedly connected with first stay cord of spring.
Preferably, the control mechanism comprises a second pulley, a second pull rope and a conduit, the second pulley is rotatably connected inside the second mounting groove, the second pull rope is fixedly connected to one side, close to the limiting block, of the upper end of the connecting plate, and the conduit is fixedly connected to the side wall, far away from the wall body, of the rectangular block.
Preferably, two supporting mechanism all includes guide way, gyro wheel and bracing piece, two bracing piece symmetry fixed connection is at the lower extreme of backup pad, the lateral wall of wall body and the bilateral symmetry that is located first mounting groove are kept away from to the mounting panel has seted up two guide ways, two the equal roll connection of tank bottom of guide way has the gyro wheel, two the gyro wheel rotates respectively to be connected the one end of keeping away from the backup pad at two bracing pieces, be the triangle-structure between bracing piece and backup pad and the mounting panel.
Preferably, fixture includes sliding tray, threaded rod and grip block, the sliding tray is seted up in the upper end of backup pad and is kept away from one side of L template, the internal rotation of sliding tray is connected with the threaded rod, the outside cover of threaded rod is equipped with rather than threaded connection's grip block, grip block and sliding tray sliding connection, the one end that the wall body was kept away from to the threaded rod extends to the outside and the fixedly connected with rotation handle of backup pad.
Preferably, the one end that the gag lever post was kept away from to first stay cord extends to the outside of mounting panel and fixedly connected with dog through first pulley, the one end that the connecting plate was kept away from to the second stay cord runs through the conduit in proper order and extends to the outside of mounting panel and fixedly connected with dog through the second pulley.
Preferably, one end of the limiting rod, which is far away from the spring, is arranged in an arc shape.
Preferably, one side wall of the vertical part of the L-shaped plate, which is far away from the wall body, is abutted and contacted with one side wall of the projector, which is close to the wall body, and one side wall of the clamping plate, which is close to the wall body, is abutted and contacted with one side wall of the projector, which is far away from the wall body.
Compared with the prior art, the invention has the beneficial effects that:
1. through control mechanism and stop gear's combined action, can go up and down to the backup pad, conveniently change the projecting apparatus, convenient and fast avoids workman's aerial work, has reduced the potential safety hazard.
2. Through fixture's effect, can carry out the centre gripping to the projecting apparatus and stabilize for the projecting apparatus is difficult for taking place to drop when changing and using, keeps its firm.
In conclusion, the projector lifting device is reasonable in structural design, can lift the supporting plate, is convenient to replace, is convenient and quick, avoids high-altitude operation of workers, and reduces potential safety hazards; the projector can be clamped firmly, so that the projector is not easy to fall off when being replaced and used, and the stability of the projector is kept.
Drawings
Fig. 1 is a schematic structural diagram of a novel replacement device for a projection apparatus according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic partial structural diagram of a novel replacement device for a projection apparatus according to the present invention.
In the figure: the novel rotary handle comprises a wall body 1, a mounting plate 2, a first mounting groove 3, a second mounting groove 4, a connecting plate 5, a second pulley 6, a second pull rope 7, a limiting block 8, a limiting groove 9, a rectangular block 10, a groove 11, a sliding groove 12, a limiting rod 13, a spring 14, a first pulley 15, a first pull rope 16, a conduit 17, a pulling block 18, a supporting plate 19, a sliding groove 20, a threaded rod 21, a clamping plate 22, a projector 23, a 24L-shaped plate, a guide groove 25, a roller 26, a supporting rod 27, a screw 28, a through groove 29 and a rotary handle 30.
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. 1-3, a novel replacement device for a projection device comprises a wall body 1 and a mounting plate 2, the wall body 1 is fixedly connected with the mounting plate 2 through a plurality of screws 28, a first mounting groove 3 is formed in a side wall of the mounting plate 2, which is far away from the wall body 1, a connecting plate 5 is slidably connected inside the first mounting groove 3, a limiting mechanism is arranged between the upper end of the connecting plate 5 and the bottom of the first mounting groove 3, the limiting mechanism comprises a limiting block 8, a limiting groove 9, a rectangular block 10, a groove 11, a sliding groove 12, a limiting rod 13, a spring 14, a first pulley 15, a first pull rope 16 and a through groove 29, the rectangular block 10 is fixedly connected to the upper end of the bottom of the first mounting groove 3, the bottom of the first mounting groove 3 is provided with a sliding groove 12 corresponding to the position of the rectangular block 10, the inner portion of the sliding groove 12 is connected with a limiting rod 13, and the spring 14 is fixedly connected between the limiting rod 13 and the bottom of the sliding groove 12, one end of the limiting rod 13, which is far away from the spring 14, is arranged in an arc shape, and the spring 14 resets the limiting rod 13; the lower end of the rectangular block 10 is provided with a groove 11, the groove 11 is close to one side wall of the wall body 1 and is provided with a through groove 29 in a penetrating manner at a position corresponding to the sliding groove 12, the upper end of the connecting plate 5 is fixedly connected with a limiting block 8, the limiting block 8 is close to one side wall of the wall body 1 and is provided with a limiting groove 9 at a position corresponding to the through groove 29, one end, far away from the connecting plate 5, of the limiting block 9 is inserted into the groove 11, one end, far away from the spring 14, of the limiting rod 13 is through the through groove 29 and extends into the limiting groove 9, the limiting block 8 is limited by the limiting rod 13, and the connecting plate 5 is limited, so that the projector 23 is more stable; the lower extreme cell wall of spout 12 rotates and is connected with first pulley 15, gag lever post 13 is close to the one end of wall body 1 and is located the first stay cord 16 of the below fixedly connected with of spring 14, stimulate first stay cord 16, first stay cord 16 drives gag lever post 13 and removes to being close to spout 12 tank bottom, make gag lever post 13 no longer spacing to stopper 8, so can put backup pad 19 down, convenient and fast, the one end that gag lever post 13 was kept away from to first stay cord 16 extends to the outside and the fixedly connected with of mounting panel 2 through first pulley 15 and draws piece 18.
A second mounting groove 4 communicated with the first mounting groove 3 is formed in the upper end of the mounting plate 2, a control mechanism is arranged between the second mounting groove 4 and the connecting plate 5 and comprises a second pulley 6, a second pull rope 7 and a conduit 17, the second pulley 6 is rotatably connected to the inside of the second mounting groove 4, the second pull rope 7 is fixedly connected to one side, close to the limiting block 8, of the upper end of the connecting plate 5, and the connecting plate 5 is controlled to move up and down through the second pull rope 7; a wire conduit 17 is fixedly connected to the side wall of the rectangular block 10 far away from the wall body 1, and the wire conduit 17 performs a guiding function on the second pull rope 7; one end of the second pull rope 7 far away from the connecting plate 5 sequentially penetrates through the wire conduit 17 and extends to the outside of the mounting plate 2 through the second pulley 6, and is fixedly connected with a pull block 18.
The one end that wall body 1 was kept away from to connecting plate 5 runs through the notch of first mounting groove 3 and extends to the outside and fixedly connected with backup pad 19 of mounting panel 2, be equipped with two supporting mechanism between wall body 1's one side is kept away from to backup pad 19's lower extreme and mounting panel 2, two supporting mechanism all include guide way 25, gyro wheel 26 and bracing piece 27, two bracing piece 27 symmetry fixed connection are at the lower extreme of backup pad 19, two guide ways 25 have been seted up to the bilateral symmetry that wall body 1 was kept away from to mounting panel 2 just is located first mounting groove 3, the equal roll connection of tank bottom of two guide ways 25 has gyro wheel 26, two gyro wheels 26 rotate respectively to connect the one end of keeping away from backup pad 19 at two bracing pieces 27, be the triangular structure between bracing piece 27 and backup pad 19 and the mounting panel 2, make backup pad 19 more firm.
An L-shaped plate 24 is fixedly connected to the upper end of the supporting plate 19, a projector 23 is arranged at the upper end of the supporting plate 19, a clamping mechanism is arranged between one side, away from the wall body 1, of the projector 23 and the upper end of the supporting plate 19, the clamping mechanism comprises a sliding groove 20, a threaded rod 21 and a clamping plate 22, the sliding groove 20 is formed in one side, away from the L-shaped plate 24, of the upper end of the supporting plate 19, the threaded rod 21 is rotatably connected to the inside of the sliding groove 20, the clamping plate 22 in threaded connection with the threaded rod 21 is sleeved on the outer side of the threaded rod 21, the clamping plate 22 is in sliding connection with the sliding groove 20, one end, away from the wall body 1, of the threaded rod 21 extends to the outside of the supporting plate 19, a rotating handle 30 is fixedly connected to the outside of the supporting plate 19, one side wall, away from the wall body 1, of the vertical part of the L-shaped plate 24 is in abutting contact with one side wall, close to the wall body 1, of the clamping plate 22 is in abutting contact with one side wall, away from the projector 23, rotate threaded rod 21 through rotating handle 30, because grip block 22 is by the spacing unable rotation of sliding tray 20, threaded rod 21 rotates and drives grip block 22 and remove to being close to projecting apparatus 23, cooperatees with L template 24 simultaneously, can carry out the centre gripping to projecting apparatus 23 and stabilize, avoids projecting apparatus 23 to drop at the removal in-process.
The invention can be illustrated by the following operating modes:
in the invention, when the projector 23 needs to be replaced, one hand pulls the first pull rope 16 through the pull block 18, the other hand pulls the second pull rope 7 through the pull block 18, the first pull rope 16 is pulled through the pull block 18, the first pull rope 16 drives the limiting rod 13 to move towards the bottom of the sliding groove 12, so that the limiting rod 13 does not limit the limiting block 8 any more, then the connecting plate 5 and the supporting plate 19 are put down through the second pull rope 7, then the threaded rod 21 is rotated through rotating the handle 30, because the clamping plate 22 is limited by the sliding groove 20 and can not rotate, the threaded rod 21 rotates to drive the clamping plate 22 to move away from the projector 23, so that the clamping plate 22 does not clamp the projector 23, the projector 23 is taken out, a new projector 23 is placed on the supporting plate 19, the threaded rod 21 is rotated through rotating the handle 30, the clamping plate 22 is driven to move towards the projector 23 through rotating, cooperate with L template 24 simultaneously, can carry out the centre gripping to projecting apparatus 23 and stabilize, then the pulling rises connecting plate 5 and backup pad 19 through drawing piece 18 pulling second stay cord 7, the in-process stopper 8 that rises inserts recess 11 and extrudes gag lever post 13 and drive the spring 14 compression, when spacing groove 9 corresponds with logical groove 20, gag lever post 13 inserts the gag lever post 9 under spring 14's elastic force effect, it is spacing to stopper 8 to make gag lever post 13, can accomplish the change, and is convenient and fast.
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 technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A novel replacement device for projection equipment comprises a wall body (1) and a mounting plate (2), and is characterized in that the wall body (1) is fixedly connected with the mounting plate (2) through a plurality of screws (28), a first mounting groove (3) is formed in one side wall of the mounting plate (2) far away from the wall body (1), a connecting plate (5) is connected to the inside of the first mounting groove (3) in a sliding manner, a limiting mechanism is arranged between the upper end of the connecting plate (5) and the bottom of the first mounting groove (3), a second mounting groove (4) communicated with the first mounting groove (3) is formed in the inner part of the upper end of the mounting plate (2), a control mechanism is arranged between the second mounting groove (4) and the connecting plate (5), a notch of one end, far away from the wall body (1), of the connecting plate (5) penetrates through the first mounting groove (3) and extends to the outside of the mounting plate (2) and is fixedly connected with a supporting plate (19), two supporting mechanisms are arranged between the lower end of the supporting plate (19) and one side, far away from the wall body (1), of the mounting plate (2), an L-shaped plate (24) is fixedly connected to the upper end of the supporting plate (19), a projector (23) is arranged at the upper end of the supporting plate (19), and a clamping mechanism is arranged between one side, far away from the wall body (1), of the projector (23) and the upper end of the supporting plate (19);
the limiting mechanism comprises a limiting block (8), a limiting groove (9), a rectangular block (10), a groove (11), a sliding groove (12), a limiting rod (13), a spring (14), a first pulley (15), a first pull rope (16) and a through groove (29), the rectangular block (10) is fixedly connected to the upper end of the groove bottom of the first mounting groove (3), the sliding groove (12) is formed in the position, corresponding to the rectangular block (10), of the groove bottom of the first mounting groove (3), the limiting rod (13) is connected to the inside of the sliding groove (12) in a sliding mode, the spring (14) is fixedly connected between the limiting rod (13) and the groove bottom of the sliding groove (12), the groove (11) is formed in the lower end of the rectangular block (10), the groove (11) is close to the groove wall on one side of the wall body (1) and penetrates through the position, corresponding to the sliding groove (12), and is formed in a through groove (29), the upper end of the connecting plate (5) is fixedly connected with the limiting block (8), spacing groove (9) have been seted up to the position that stopper (8) are close to one side lateral wall of wall body (1) and correspond logical groove (29), the one end that connecting plate (5) were kept away from in stopper (8) is pegged graft in the inside of recess (11), the one end that spring (14) were kept away from in gag lever post (13) runs through logical groove (29) and extends to the inside of spacing groove (9), the lower extreme cell wall of spout (12) rotates and is connected with first pulley (15), gag lever post (13) are close to the one end of wall body (1) and are located the below fixedly connected with first stay cord (16) of spring (14).
2. The novel replacement device for the projection equipment is characterized in that the control mechanism comprises a second pulley (6), a second pull rope (7) and a conduit (17), the second pulley (6) is rotatably connected inside the second mounting groove (4), the second pull rope (7) is fixedly connected to one side, close to the limiting block (8), of the upper end of the connecting plate (5), and the conduit (17) is fixedly connected to one side wall, far away from the wall body (1), of the rectangular block (10).
3. The novel replacement device for the projection device of claim 1, wherein two of the support mechanisms each include a guide groove (25), a roller (26) and a support rod (27), two of the support rods (27) are symmetrically and fixedly connected to the lower end of the support plate (19), two guide grooves (25) are symmetrically formed in the side wall of the mounting plate (2) away from the wall (1) and located on two sides of the first mounting groove (3), the roller (26) is connected to the bottom of the guide groove (25) in a rolling manner, the two rollers (26) are respectively rotatably connected to one ends of the two support rods (27) away from the support plate (19), and a triangular structure is formed between the support rod (27) and the support plate (19) and the mounting plate (2).
4. The novel replacement device for the projection equipment is characterized in that the clamping mechanism comprises a sliding groove (20), a threaded rod (21) and a clamping plate (22), the sliding groove (20) is formed in one side, away from an L-shaped plate (24), of the upper end of the supporting plate (19), the threaded rod (21) is connected to the inner portion of the sliding groove (20) in a rotating mode, the clamping plate (22) in threaded connection with the threaded rod (21) is sleeved on the outer side of the threaded rod (21), the clamping plate (22) is in sliding connection with the sliding groove (20), and one end, away from the wall body (1), of the threaded rod (21) extends to the outer portion of the supporting plate (19) and is fixedly connected with a rotating handle (30).
5. The novel replacement device for the projection equipment as claimed in claim 2, wherein one end of the first pulling rope (16) far away from the limiting rod (13) extends to the outside of the mounting plate (2) through the first pulley (15) and is fixedly connected with a pulling block (18), and one end of the second pulling rope (7) far away from the connecting plate (5) sequentially penetrates through the conduit (17) and extends to the outside of the mounting plate (2) through the second pulley (6) and is fixedly connected with the pulling block (18).
6. The novel projection device replacing device as claimed in claim 1, wherein one end of the limiting rod (13) far away from the spring (14) is arc-shaped.
7. The new type projector equipment replacing device as claimed in claim 4, wherein the side wall of the vertical part of the L-shaped plate (24) far from the wall body (1) is in contact with the side wall of the projector (23) near the wall body (1), and the side wall of the clamping plate (22) near the wall body (1) is in contact with the side wall of the projector (23) far from the wall body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776671.2A CN112145933B (en) | 2020-08-05 | 2020-08-05 | Novel projection equipment is changed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776671.2A CN112145933B (en) | 2020-08-05 | 2020-08-05 | Novel projection equipment is changed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112145933A CN112145933A (en) | 2020-12-29 |
| CN112145933B true CN112145933B (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010776671.2A Active CN112145933B (en) | 2020-08-05 | 2020-08-05 | Novel projection equipment is changed device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960697A (en) * | 2021-10-25 | 2022-01-21 | 国家电网有限公司 | Meteorological monitoring device for transformer substation site |
| CN114233929A (en) * | 2021-12-20 | 2022-03-25 | 江苏奇佩建筑装配科技有限公司 | A gallows convenient to square pipe locking |
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