CN215371731U - Telescopic electronic gallows of projecting apparatus - Google Patents
Telescopic electronic gallows of projecting apparatus Download PDFInfo
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- CN215371731U CN215371731U CN202121750307.5U CN202121750307U CN215371731U CN 215371731 U CN215371731 U CN 215371731U CN 202121750307 U CN202121750307 U CN 202121750307U CN 215371731 U CN215371731 U CN 215371731U
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Abstract
The utility model relates to the field of electric hangers, in particular to a telescopic electric hanger for a projector, which comprises a lifting driving motor, a spring transmission line, a power tractor, a plurality of bamboo joint pipes, a projector and a cable protection device, wherein the bamboo joint pipes can be sequentially sleeved, the projector is arranged at the tail end of each bamboo joint pipe, and the cable protection device is connected with the spring transmission line in a segmented manner; the cable protection device is sleeved on the spring transmission line, one end of the spring transmission line is connected with the lifting drive motor, and the other end of the spring transmission line is connected with the projector; the telescopic electric hanger for the projector is characterized in that the lifting driving motor is arranged at the head end of the bamboo joint pipe, one end of the power tractor is connected with the lifting driving motor, and the other end of the power tractor penetrates through a plurality of bamboo joint pipes which can be sequentially sleeved from the gap between the outer side of the cable protection device and the inner side of the bamboo joint pipe and then is fixed on the projector.
Description
Technical Field
The utility model relates to the field of electric hangers, in particular to a telescopic electric hanger for a projector.
Background
Along with the development of science and technology and the improvement of teaching level, the projecting apparatus has obtained extensive application in teaching such as each colleges and universities or cinema or activity places, at present, people are in order to install pleasing to the eye with practice thrift the required space of installation, can set up the projecting apparatus on telescopic electronic gallows usually, when needs use the projecting apparatus, transfer the projecting apparatus through the telescopic electronic gallows of remote control, after the projecting apparatus finishes using, the telescopic electronic gallows of rethread remote control drive projecting apparatus rises, make the projecting apparatus hide on the ceiling, the space of installation has both been practiced thrift, also make indoor more pleasing to the eye clean and tidy.
Along with the application of the projector, people find that when the projector descends, the spring transmission line arranged on the inner side of the telescopic electric hanger is pulled open, if the stretching degree is adjusted only through the elasticity of the spring transmission line, the stretching length of the spring transmission line is limited, in the descending process of some super-long distances, the top stress part of the spring transmission line is stretched to be seriously deformed and the bottom end of the spring transmission line is still in an unstretched state, so that the top end of the spring transmission line is easily stretched and deformed, after long-time use, rebound deformation failure can occur, even the spring transmission line is stretched and broken seriously, and serious potential safety hazards exist.
The research shows that a long spring transmission line needs to be arranged in the descending process of the super-long distance, but the arranged spring transmission line is too long, the top of the spring transmission line is stressed greatly under the gravity of the spring transmission line, so that the top stressed part of the spring transmission line is stretched to be seriously deformed, and the bottom of the spring transmission line is not stretched.
Therefore, it is necessary to provide a telescopic electric hanger for a projector that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome at least one defect (deficiency) in the prior art, and provides a telescopic electric hanger for a projector, which can enable the whole spring transmission line to be uniformly stressed, is not limited by the winding diameter of the spring transmission line and the self weight of the spring transmission line any more, and can be suitable for being used in an overlong descending distance.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a telescopic electric hanger for projectors comprises a lifting driving motor, a spring transmission line, a power tractor, a plurality of bamboo joint pipes which can be sleeved in sequence, a projector arranged at the tail end of the bamboo joint pipe, and a cable protection device connected with the spring transmission line in a segmented manner;
the cable protection device is sleeved on a spring transmission line, one end of the spring transmission line is connected with the lifting driving motor, and the other end of the spring transmission line is connected with the projector;
the lifting driving motor is arranged at the head end of the bamboo joint pipe, one end of the power tractor is connected with the lifting driving motor, the other end of the power tractor penetrates through the bamboo joint pipes which can be sequentially sleeved from the outer side of the cable protection device to the inner side of the bamboo joint pipe and then is fixed on the projector, because the cable protection device has stronger elasticity, the cable protection device is sleeved on the spring transmission line and is tied up in multiple sections, the cable protection device can disperse the self gravity borne by the spring transmission line, so that the stress on the top and the bottom of the spring transmission line is more uniform, when the projector needs to descend for projection, people only need to control the lifting driving motor to reversely rotate through remote control, the power tractor drives the projector to descend, at the moment, the spring transmission line is pulled apart in sections under the action of the cable protection device, so that the stress on the spring transmission line is more uniform, no longer receive spring transmission line self gravity influence and the top atress department of spring transmission line has been stretched and has become seriously warp, the bottom still is in the not tensile condition, in addition, also can carry out matching nature adjustment with the winding diameter of spring transmission line as required according to the use, reduce the limitation, when making the projecting apparatus can use in the decline environment of overlength distance, the safety in utilization of projecting apparatus has also been ensured, furthermore, because power tractor passes the bamboo joint pipe that the multisection can embolia in proper order in the space department between the cable protection device outside and the bamboo joint intraductal side, consequently, can set up power tractor in the middle part of bamboo joint pipe, the cable protection device of symmetry encircles power tractor setting, also make the whole atress of the telescopic electronic gallows of projecting apparatus more even.
Furthermore, the number of the cable protection devices is at least one, the adjacent cable protection devices are arranged on the outer side of the power tractor in a surrounding mode, the power tractor is formed by the inner side of the bamboo joint pipe, gaps between the adjacent cable protection devices penetrate through the bamboo joint pipe which can be sleeved in sequence, in the utility model, the number of the cable protection devices is four, the four cable protection devices are arranged on the periphery of the inner side of the bamboo joint pipe in a surrounding mode, the power tractor is surrounded at the middle gaps between the four cable protection devices, the stress on the periphery in the bamboo joint pipe is more even, in practical application, different numbers of cable protection devices can be arranged in the bamboo joint pipe according to the use requirements, and the cable protection devices are within the protection range of the utility model.
Furthermore, the cable protection device is a spring, the spring transmission line is sleeved on the outer side of the spring, the spring transmission line can be conveniently installed and connected with other parts, and a binding ribbon can conveniently bind and fix the spring transmission line and the spring.
Further, cable protection device is the spring, the spring transmission line cover is established in the inboard of spring, through establishing the spring transmission line cover in the inboard of spring, the spring can protect the spring transmission line, avoids the spring transmission line to produce the friction or cut to pieces and rub and lead to the spring transmission line to damage with other devices in the use, can effectual extension spring transmission line's life, and can reduce the potential safety hazard of the telescopic electric hanger of projecting apparatus in the use.
Furthermore, the device also comprises a binding ribbon, the spring transmission line is bound on the cable protection device in sections through the binding ribbon, when the device is bound, the device can be bound by the binding ribbon every other small section according to the actual lengths of the spring transmission line and the cable protection device, so that the stress between the spring transmission line and the cable protection device is more uniform, and in practical application, other devices can be used for binding or clamping and fixing the spring transmission line and the cable protection device, and the device is within the protection range of the utility model.
Furthermore, the winding diameter of the cable protection device is matched with the winding diameter of the spring transmission line in size, the winding diameters of the cable protection device and the spring transmission line are matched with each other, so that the spring transmission line can be better tightly bound on the cable protection device, the installation structure between the spring transmission line and the cable protection device is more attractive, and meanwhile, the stress between the cable protection device and the spring transmission line is more uniform, and the cable protection device is simple and practical.
Still further, including setting up at the spring mounting fixed joint of bamboo joint pipe head end and setting up at the terminal spring transmission line short circuit fixed head of bamboo joint pipe, cable protection device one end is fixed on spring mounting fixed joint, and the other end is fixed on spring transmission line short circuit fixed head, through the setting of spring mounting fixed joint and spring transmission line short circuit fixed head, the first end both ends at the bamboo joint pole can be better fixed at cable protection device's both ends when erection joint, and is simple and convenient.
Further, the spring transmission line short circuit fixed head outside is equipped with the spring transmission line screens groove that is used for spring transmission line location, and through the setting in spring transmission line screens groove, the better card of spring transmission line ability is established on spring transmission line screens groove, makes things convenient for the installation and the fixed of spring transmission line.
Furthermore, the auxiliary traction cable also can disperse the stress of the power tractor, so that the stress of the telescopic electric hanger of the projector is more uniform, the service life of the telescopic electric hanger of the projector can be effectively prolonged.
Further, the power tractor is a traction cloth belt or a traction steel wire rope or a traction chain, and in practical application, one or more of the traction cloth belt, the traction steel wire rope or the traction chain can be selected according to the use requirement, and the utility model is within the protection scope of the utility model.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
the utility model discloses a telescopic electric hanger of a projector, because a cable protection device has stronger elasticity, the cable protection device is sleeved on a spring transmission line and is tied up in multiple sections, the cable protection device can disperse the self gravity borne by the spring transmission line, so that the stress on the top and the bottom of the spring transmission line is more uniform, when the projector needs to descend for projection, people only need to control a lifting driving motor to reversely rotate through remote control, a power tractor drives the projector to descend, at the moment, the spring transmission line is pulled apart in sections under the action of the cable protection device, so that the whole stress of the spring transmission line is more uniform, the top stress part of the spring transmission line is stretched to be seriously deformed and the bottom end is not stretched any more, in addition, the winding diameter of the spring transmission line can be adjusted in a matching way according to the use requirement, reduce the limitation for when the projecting apparatus can use in the decline environment of extra long distance, also ensured the safety in utilization of projecting apparatus, in addition, because power tractor passes the bamboo joint pipe that the multisection can embolia in proper order in the space department between the cable protection device outside and the bamboo joint intraductal side, consequently, can set up power tractor in the middle part of bamboo joint pipe, the cable protection device of symmetry encircles the power tractor setting, also makes the whole atress of the telescopic electronic gallows of projecting apparatus more even.
Drawings
Fig. 1 is a schematic structural diagram of a spring transmission line after being stretched when a projector telescopic electric hanger is used for lowering a projector in the prior art.
Fig. 2 is a schematic structural diagram of another angle of the spring transmission line after being stretched when the telescopic electric hanger of the projector lowers the projector in the prior art.
Fig. 3 is a schematic structural view of the telescopic electric hanger for projectors according to the present invention when the bamboo joint pipe is not stretched.
Fig. 4 is a schematic view of the internal structure of the telescopic electric hanger for a projector according to the present invention when the bamboo joint pipe is not stretched.
FIG. 5 is an enlarged view of the top structure of the spring transmission line of the telescopic electric hanger for projectors according to the present invention when the bamboo joint pipe is not stretched.
Fig. 6 is a schematic structural view of the telescopic electric hanger for projectors according to the present invention after the bamboo joint pipe is stretched.
Fig. 7 is a schematic view of the internal structure of the telescopic electric hanger for projectors according to the present invention after the extension of the bamboo joint pipe. FIG. 8 is an enlarged view of the top structure of the spring transmission line after the telescopic electric hanger of the image analyzer is stretched in the bamboo joint pipe.
Fig. 9 is a schematic view of the structure of the spring mount fixing joint of the present invention.
Fig. 10 is a schematic structural diagram of a short-circuit fixing head of a spring transmission line in the utility model.
Fig. 11 is an enlarged view of the structure in which the spring transmission line is bound to the cable protective device by the binding band in the present invention.
Fig. 12 is a schematic view of the auxiliary traction cable of the present invention as it passes inside the cable protector.
FIG. 13 is an enlarged view of the top portion of the auxiliary pull cord of the present invention as it passes inside the cable guard. In the figure, 1 is a lifting driving motor, 2 is a spring transmission line, 3 is a power tractor, 4 is a bamboo joint pipe, 5 is a projector, 6 is a cable protection device, 7 is a binding ribbon, 8 is a spring installation fixed joint, 9 is a spring transmission line short-circuit fixed head, 10 is a spring transmission line clamping groove, 11 is an auxiliary traction cable, and 12 is a communication groove.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, for the telescopic electric hanger of projector in the prior art, when the lifting driving motor 1 rotates reversely, the power tractor 3 drives the projector 5 to descend, at this time, the spring transmission line 2 is pulled away, because only the elasticity of the spring transmission line 2 itself is used for synchronous stretching, under the self-weight of the spring transmission line 2, the top of the spring transmission line 2 is stretched to be seriously deformed, and the bottom of the spring transmission line 2 is still in the un-stretched state, after long-time use, the spring transmission line 2 can have the situation of rebound deformation failure, even when serious, the spring transmission line 2 is also easily broken by tension, which causes the telescopic electric hanger of projector to have serious safety hazard in the using process.
In addition, in some installation environments requiring the projector to descend over a long distance, it is necessary to provide a longer spring transmission line 2, and at this time, under the self-weight of the spring transmission line 2, the tensile deformation is more serious, and if the winding diameter of the spring transmission line 2 is set to be larger, this problem is solved, but the spring transmission line 2 also loses the elastic force due to the excessively large winding diameter, and is difficult to recover by the elastic force after the spring transmission line 2 is stretched, and if the winding diameter of the spring transmission line 2 is excessively small, the elongation of the spring transmission line 2 is excessively small, and thus the spring transmission line is not suitable for the installation environment requiring the projector to descend over a long distance.
As shown in fig. 3-5, a telescopic electric hanger for projectors comprises a lifting driving motor 1, a spring transmission line 2, a power tractor 3, a plurality of bamboo joint pipes 4 which can be sequentially sleeved, a projector 5 arranged at the tail end of the bamboo joint pipe 4, and a cable protection device 6 connected with the spring transmission line 2 in a segmented manner; the cable protection device 6 is sleeved on the spring transmission line 2, one end of the spring transmission line 2 is connected with the lifting driving motor 1, and the other end of the spring transmission line is connected with the projector 5; the lifting driving motor 1 is arranged at the head end of the bamboo joint pipe 4, one end of the power tractor 3 is connected with the lifting driving motor 1, the other end of the power tractor penetrates through the bamboo joint pipes 4 which can be sequentially sleeved from the outer side of the cable protection device 6 to be fixed on the projector 5, the cable protection device 6 has strong elasticity, the cable protection device 6 is sleeved on the spring transmission line 2 and is tied up in multiple sections, the cable protection device 6 can disperse the self gravity borne by the spring transmission line 2, so that the stress on the top and the bottom of the spring transmission line 2 is more uniform, when the projector 5 needs to descend for projection, people only need to control the lifting driving motor 1 to rotate reversely through remote control, the power tractor 3 drives the projector 5 to descend, and at the moment, the spring transmission line 2 is pulled apart in sections under the action of the cable protection device 6, so that the stress of the spring transmission line 2 is more uniform, the top stressed part of the spring transmission line 2 is already stretched and seriously deformed and the bottom end is not stretched because of the influence of the self gravity of the spring transmission line 2, in addition, the winding diameter of the spring transmission line 2 can be adjusted according to the use requirement, the limitation is reduced, so that the projector 5 can be used in a descending environment over an extremely long distance, while ensuring the safety of use of the projector 5, and further, because the power tractor 3 penetrates through the bamboo joint pipes 4 which are sleeved in a plurality of sections in sequence at the gap between the outer side of the cable protection device 6 and the inner side of the bamboo joint pipe 4, the power tractor 3 can be arranged in the middle of the bamboo joint pipe 4, the symmetrical cable protection devices 6 are arranged around the power tractor 3, so that the whole stress of the telescopic electric hanger of the projector is more uniform.
As shown in fig. 6-8, in the present invention, at least one cable protection device 6 is provided, adjacent cable protection devices 6 are arranged around the outside of the power retractor 3, the power retractor 3 is formed by the inner side of the bamboo joint pipe 4, and the gap between adjacent cable protection devices 6 penetrates through the bamboo joint pipe 4 which can be sleeved in sequence, in the present invention, four cable protection devices 6 are provided, four cable protection devices 6 are arranged around the inner side of the bamboo joint pipe 4, and the power retractor 3 is surrounded at the middle gap between the four cable protection devices 6, so that the force on the inner periphery of the bamboo joint pipe 4 is more even, and in practical application, different numbers of cable protection devices 6 can be arranged in the bamboo joint pipe 4 according to the use requirement, and are all within the protection scope of the present invention.
In the utility model, the cable protection device 6 is a spring, the spring transmission line 2 is sleeved outside the spring, the spring transmission line 2 can be conveniently installed and connected with other parts, and a binding band is also convenient for binding and fixing the spring transmission line 2 and the spring, in practical application, the cable protection device 6 can be replaced by other elastic devices which are within the protection range of the utility model, besides, the spring transmission line 2 can also be sleeved inside the spring, the spring can protect the spring transmission line 2 by sleeving the spring transmission line 2 inside the spring, the damage of the spring transmission line 2 caused by friction or rubbing between the spring transmission line 2 and other devices in the use process can be avoided, and the service life of the spring transmission line 2 can be effectively prolonged, and the potential safety hazard of the telescopic electric hanger of the projector in the use process can be reduced.
As shown in fig. 9-11, it further includes a binding band 7, the spring transmission line 2 is bound tightly on the cable protection device 6 by sections through the binding band 7, when binding tightly, it can be bound tightly by the binding band 7 every other small section according to the actual length of the spring transmission line 2 and the cable protection device 6, so that the stress between the spring transmission line 2 and the cable protection device 6 is more uniform, and in the practical application, it can also use other devices to bind tightly or clamp tightly the spring transmission line 2 and the cable protection device 6, which are all within the protection scope of the present invention, wherein, the winding diameter of the cable protection device 6 matches with the winding diameter of the spring transmission line 2, by setting the winding diameters of the cable protection device 6 and the spring transmission line 2 to match with each other, so that the spring 2 can be better bound tightly on the cable protection device 6, make the mounting structure between spring transmission line 2 and the cable protection device 6 more pleasing to the eye while, also make the atress between cable protection device 6 and the spring transmission line 2 more even, simple and practical.
The cable protection device comprises a spring installation fixed joint 8 arranged at the head end of a bamboo joint pipe 4 and a spring transmission line short circuit fixed head 9 arranged at the tail end of the bamboo joint pipe 4, one end of the cable protection device 6 is fixed on the spring installation fixed joint 8, the other end of the cable protection device is fixed on the spring transmission line short circuit fixed head 9, through the arrangement of the spring installation fixed joint 8 and the spring transmission line short circuit fixed head 9, the two ends of the cable protection device 6 can be better fixed at the head end and the tail end of the bamboo joint rod 4 during installation and connection, the installation and connection are simple and convenient, a spring transmission line clamping groove 10 used for positioning the spring transmission line 2 is arranged on the outer side of the spring transmission line short circuit fixed head 8, through the arrangement of the spring transmission line clamping groove 10, the spring transmission line 2 can be better clamped on the spring transmission line clamping groove 10, and the installation and the fixation of the spring transmission line 2 are convenient.
As shown in fig. 12-13, in the present invention, an auxiliary traction cable 11 is further included, a communication slot 12 is disposed on each of the spring mounting fixing joint 8 and the spring transmission line short-circuit fixing joint 9, one end of the auxiliary traction cable 11 is connected to the lifting driving motor 1, and the other end of the auxiliary traction cable 11 passes through the communication slots 12 on the spring mounting fixing joint 8 and the spring transmission line short-circuit fixing joint 9 in sequence and then is fixed on the projector 5, by the arrangement of the communication slot 12 and the auxiliary traction cable 11, the auxiliary traction cable 11 can pass through the inside of the spring transmission line 2 after passing through the communication slot 12 on the spring mounting fixing joint 8 and the spring transmission line short-circuit fixing joint 9, because of the arrangement of the spring transmission line 2, the auxiliary traction cable 11 cannot be intertwined with the power tractor 3, and the communication slot 12 can also play a positioning role on the auxiliary traction cable 11, and in addition, the auxiliary traction cable 11 can also disperse the stress of the power tractor 3, the projector telescopic electric hanger is stressed more uniformly, the service life of the projector telescopic electric hanger can be effectively prolonged, in the utility model, the power tractor 3 is a traction cloth belt or a traction steel wire rope or a traction chain, and in practical application, one or more of the traction cloth belt or the traction steel wire rope or the traction chain can be selected according to use requirements and is within the protection range of the utility model.
Example one
In the embodiment, the power tractor is a traction steel wire rope, only one spring transmission line is arranged in the bamboo joint pipe, a spring connected with the spring transmission line in a segmented manner is arranged on the outer side of the spring transmission line, wherein one end of the traction steel wire rope is connected with the lifting drive motor, the other end of the traction steel wire rope penetrates through the bamboo joint pipes which can be sequentially sleeved from a gap between the outer side of the spring and the inner side of the bamboo joint pipe and then is fixed on the projector, the spring can protect the spring transmission line by sleeving the spring transmission line on the inner side of the spring, the spring transmission line is prevented from being damaged due to friction or scratch between the spring transmission line and other devices in the use process, the service life of the spring transmission line can be effectively prolonged, the potential safety hazard of the telescopic electric hanger of the projector in the use process can be reduced, and the spring has stronger elasticity, the spring is sleeved on the spring transmission line and fastened in multiple segments, the spring can disperse the self gravity of the spring transmission line, so that the stress on the top and the bottom of the spring transmission line is more uniform, when the projector needs to descend for projection, people only need to control the lifting driving motor to rotate reversely through remote control, the traction steel wire rope drives the projector to descend, at the moment, the spring transmission lines are pulled apart in sections under the action of the springs, so that the stress of the spring transmission line is more uniform, the top stressed part of the spring transmission line is not influenced by the self gravity of the spring transmission line and is stretched to be seriously deformed, the bottom of the spring transmission line is not stretched, and in addition, the winding diameter of the spring transmission line can be adjusted in a matching manner according to the use requirement, so that the limitation is reduced, the projector can be used in an ultra-long distance descending environment, and meanwhile, the use safety of the projector is ensured.
Example two
In this embodiment, power tractor is for drawing the strap, intraductal four springs and four spring transmission lines that are equipped with of bamboo joint, wherein, the inboard at the spring transmission line is established to the spring housing, the segmentation is connected through the tie-up ribbon between spring and the spring transmission line, through encircle four springs and four spring transmission lines and set up around the bamboo joint intraductal side, and will draw the strap and surround the middle part space department between four springs and four spring transmission lines, make and draw the strap and be in the central point that the bamboo joint was managed, and four springs and four spring transmission lines evenly set up around the telescopic electronic gallows of projecting apparatus, make the atress of the telescopic electronic gallows of projecting apparatus more even.
EXAMPLE III
In this embodiment, when the telescopic electronic gallows of projecting apparatus need hang up heavier projecting apparatus, power tractor can be for pulling the chain, also can be for pulling one or more of strap, through being equipped with four springs and four spring transmission lines in the bamboo joint intraductal, wherein, the spring housing is established in the inboard of spring transmission line, and the segmentation is connected through the ligature ribbon between spring and the spring transmission line.
What is different from the second embodiment is that, in this embodiment, all be equipped with the intercommunication groove on spring mounting fixed joint and spring transmission line short circuit fixed head, and supplementary haulage cable one end is connected with lift driving motor, the other end passes the intercommunication groove back-fixing on spring mounting fixed joint and the spring transmission line short circuit fixed head in proper order on the projecting apparatus, through passing an supplementary haulage cable in the spring inboard, supplementary haulage cable can not twine each other with power tractor, supplementary haulage cable can disperse the atress of pulling the strap, make the atress of the telescopic electronic gallows of projecting apparatus more even, can effectually prolong the life of the telescopic electronic gallows of projecting apparatus.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a telescopic electronic gallows of projecting apparatus, includes lift driving motor, spring transmission line, power tractor, the multisection can embolia in proper order the bamboo joint pipe and set up at the terminal projecting apparatus of bamboo joint pipe, its characterized in that: the cable protection device is connected with the spring transmission line in a segmented manner;
the cable protection device is sleeved on a spring transmission line, one end of the spring transmission line is connected with the lifting driving motor, and the other end of the spring transmission line is connected with the projector;
the lifting driving motor is arranged at the head end of the bamboo joint pipe, one end of the power tractor is connected with the lifting driving motor, and the other end of the power tractor penetrates through a plurality of bamboo joint pipes which can be sequentially sleeved through a gap between the outer side of the cable protection device and the inner side of the bamboo joint pipe and then is fixed on the projector.
2. The telescopic electric hanger of projector of claim 1, wherein: the cable protection device is at least one, the adjacent cable protection devices are arranged on the outer side of the power tractor in a surrounding mode, the power tractor is formed by the inner side of the bamboo joint pipe, and a gap between the adjacent cable protection devices penetrates through a plurality of sections of bamboo joint pipes which can be sleeved in sequence.
3. The telescopic electric hanger of projector of claim 1, wherein: the cable protection device is a spring, and the spring transmission line is sleeved on the outer side of the spring.
4. The telescopic electric hanger of projector of claim 1, wherein: the cable protection device is a spring, and the spring transmission line is sleeved on the inner side of the spring.
5. The telescopic electric hanger of projector of claim 1, wherein: the spring transmission line is bound tightly on the cable protection device in a segmented mode through the binding ribbons.
6. The telescopic electric hanger of projector of claim 1, wherein: the winding diameter of the cable protection device is matched with the winding diameter of the spring transmission line.
7. The telescopic electric hanger of projector of claim 1, wherein: still including setting up the spring mounting fixed joint at the bamboo joint pipe head end and setting up at the terminal spring transmission line short circuit fixed joint of bamboo joint pipe, cable protection device one end is fixed on spring mounting fixed joint, and the other end is fixed on spring transmission line short circuit fixed joint.
8. The telescopic electric hanger of projector of claim 7, wherein: and a spring transmission line clamping groove for positioning the spring transmission line is formed in the outer side of the short circuit fixing head of the spring transmission line.
9. The telescopic electric hanger of projector of claim 7, wherein: still include supplementary traction cable, all be equipped with the intercommunication groove on spring mounting fixed joint and the spring transmission line short circuit fixed joint, supplementary traction cable one end is connected with lift driving motor, and the other end passes the intercommunication groove after-fixing on spring mounting fixed joint and the spring transmission line short circuit fixed joint in proper order on the projecting apparatus.
10. The telescopic electric hanger of projector of claim 1, wherein: the power tractor is a traction cloth belt or a traction steel wire rope or a traction chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121750307.5U CN215371731U (en) | 2021-07-29 | 2021-07-29 | Telescopic electronic gallows of projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121750307.5U CN215371731U (en) | 2021-07-29 | 2021-07-29 | Telescopic electronic gallows of projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215371731U true CN215371731U (en) | 2021-12-31 |
Family
ID=79612961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121750307.5U Active CN215371731U (en) | 2021-07-29 | 2021-07-29 | Telescopic electronic gallows of projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215371731U (en) |
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2021
- 2021-07-29 CN CN202121750307.5U patent/CN215371731U/en active Active
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