CN217463867U - Cloud platform lifting unit - Google Patents

Abstract

The application discloses a tripod head lifting assembly, which comprises a shell, worm end covers, a worm shaft and a worm wheel shaft, wherein the shell is connected with the worm end covers in a sliding manner, the worm end covers are positioned on two sides of the shell, a containing cavity is formed in the shell, the worm wheel shaft and the worm shaft are positioned in the containing cavity and are always meshed with each other, two ends of the worm shaft are rotatably connected with the worm end covers, the worm wheel shaft is rotatably connected with the shell, and the center distance between the worm shaft and the worm wheel shaft can be changed by sliding between the worm end covers and the shell; the worm wheel shaft is fixedly provided with a lifting platform, the shell is further provided with a lifting hole, and the lifting platform is arranged in the lifting hole in a penetrating mode. This application has the effect of the lifting height of accurate regulation cloud platform.

Description

Cloud platform lifting unit

Technical Field

The utility model relates to a camera cloud platform accessory field especially relates to a cloud platform lifting unit.

Background

The cloud platform is the device that is used for supporting and fixed camera equipment, can divide into electric control and manual regulation according to the drive mode, installs camera equipment on the cloud platform earlier when using, again through carrying out the rotation of angle and the lift of height to the cloud platform, can realize photographic angle and the multi-azimuth change of height to reach better quality shooting effect.

At present, an electric pan-tilt is mostly used for a large-scale monitoring system, and adjustment is realized in a remote control mode; higher, the wider manual cloud platform of application frequency among the daily, manual cloud platform generally uses the tripod as the base, and it has the lifting unit that can the horizontal rotation to articulate above that, again can accomplish the equipment with camera fixed mounting on lifting unit, can use through the adaptability regulation of angle and height again.

When the height of a common manual tripod head is adjusted, the common manual tripod head generally can only carry out coarse adjustment within a rough range, and for users with specific and fine height adjustment requirements, a fine adjustment means is lacked, and the adjustment can only be realized by slightly rotating an adjusting handle, but the effect is not obvious enough and has larger error.

SUMMERY OF THE UTILITY MODEL

For the lift height of accurate regulation cloud platform, this application provides a cloud platform lifting unit.

The application provides a cloud platform lifting unit adopts following technical scheme:

a cloud deck lifting assembly comprises a shell, worm end covers, a worm shaft and a worm wheel shaft, wherein the shell is connected with the worm end covers in a sliding mode, the worm end covers are located on two sides of the shell, an accommodating cavity is formed in the shell, the worm wheel shaft and the worm shaft are located in the accommodating cavity and are always meshed with each other, two ends of the worm shaft are rotatably connected with the worm end covers, the worm wheel shaft is rotatably connected with the shell, and the center distance between the worm shaft and the worm wheel shaft can be changed through sliding between the worm end covers and the shell; the worm wheel shaft is fixedly provided with a lifting platform, the shell is further provided with a lifting hole, and the lifting platform is arranged in the lifting hole in a penetrating mode.

By adopting the technical scheme, the camera shooting equipment is arranged on the lifting platform, and the lifting platform can stretch and retract under the matching of the worm shaft and the worm wheel shaft, so that the camera shooting equipment is driven to move to a proper height; the shell is connected with the worm end cover in a sliding mode and can drive the worm shaft and the worm wheel shaft to move relatively, the center distance between the worm shaft and the worm wheel shaft changes accordingly, the meshing depth of the worm shaft and the worm wheel shaft changes, the transmission efficiency between the worm and the worm wheel is further changed, and the worm shaft and the worm wheel shaft are always in a meshing state no matter how the shell slides relative to the worm end cover. When the lifting height needs to be adjusted, firstly, the worm end cover is slid to move towards the direction close to the worm wheel shaft, so that the center distance between the worm shaft and the worm wheel shaft is minimum, the meshing depth of the worm shaft and the worm wheel shaft is maximum, and the lifting effect of the lifting platform is most remarkable, so that large-amplitude coarse adjustment can be conveniently carried out; after coarse adjustment is completed, the worm gear end cover is slid to move towards the direction far away from the worm gear shaft, so that the center distance between the worm shaft and the worm gear shaft is maximized, the meshing depth of the worm shaft and the worm gear shaft is minimized, the transmission efficiency between the worm and the worm gear is low, small-amplitude fine adjustment is facilitated, the worm gear shaft and the worm gear shaft are in different transmission efficiencies according to different requirements, and the lifting height of the lifting platform is accurately adjusted.

Optionally, a sliding hole is formed in the worm end cover, a limiting bolt penetrates through the sliding hole, the limiting bolt can slide in the sliding hole, and the limiting bolt is fixedly connected with the shell.

Through adopting above-mentioned technical scheme, the cooperation of sliding hole and spacing bolt makes the worm end cover can slide relative to the shell, and spacing bolt is used for fixing the worm end cover. When the worm end cover slides to a proper position, the limit bolt is screwed, so that the worm end cover is pressed on the shell by the limit bolt and is difficult to move, the worm end cover can be fixed, and the worm shaft can be driven to adjust the height of the lifting platform; when the transmission efficiency needs to be readjusted, the worm end cover can be slid again by unscrewing the limiting bolt, so that the control on the worm end cover can be conveniently and rapidly completed.

Optionally, the sliding holes are diagonally distributed on the end cover of the worm rod.

Through adopting above-mentioned technical scheme, the hole that slides adopts the diagonal distribution for only need set up two holes that slide on every worm end cover at least, can keep the normal function of sliding of worm end cover, not only can make the worm end cover difficult emergence of the in-process that slides twist reverse, more smooth and easy slides, convenient to detach need not to dismantle a plurality of spacing bolts moreover, can accomplish the maintenance and the change to shell internals.

Optionally, be provided with the access hole on the shell, the access hole with it is linked together to hold the chamber, it has the access cover to articulate on the shell, the access cover is used for covering the access hole.

Through adopting above-mentioned technical scheme, the manhole can supply the more convenient wearing and tearing condition that holds intracavity portion worm axle and worm-gear axle of observation of user to in time change the inefficacy part, and need not to pull down whole shell and overhaul, overhaul the back at the completion, cover the manhole on, with hindering rainwater and dust to get into and holding intracavity portion, and then can prolong lifting unit's life.

Optionally, a limit pin is fixed on the access cover, and a limit hole matched with the limit pin is formed in the shell.

Through adopting above-mentioned technical scheme, the spacer pin is used for fixing the access cover for the access cover is covered and closes the back on the shell, is difficult for receiving gravity and rocks the influence and open by accident, thereby makes the access cover more compact that closes at the shell upper cover, and the manhole is covered more tightly, thereby can further promote the sealing performance of access cover.

Optionally, one end of the worm shaft is provided with an adjusting sleeve and a plurality of scale marks, and the plurality of scale marks have different division values.

Through adopting above-mentioned technical scheme, the adjusting sleeve pipe can let the user can be laborsaving rotate the worm axle, and the scale mark of different division values is used for providing different regulation references for being in the worm and the worm wheel of different meshing degree. When the meshing degree of the worm gear and the worm is higher, the transmission efficiency is higher, and the worm can be adjusted by referring to the scale line with the larger division value when rotating; when the meshing degree of the worm gear and the worm is low, the transmission efficiency is low, and the worm can be adjusted by referring to the scale marks with small division values when rotating. The setting of a plurality of different index value scale marks for the user no matter carry out coarse adjustment or fine setting, all can accurately know the length of rotation of worm axle through referring to the scale mark, and then knows the lift height of elevating platform through calculating, thereby can further improve the accuracy nature of lift height control.

Optionally, an adjusting plate is arranged on the end cover of the worm rod.

Through adopting above-mentioned technical scheme, the timing board is used for providing the application of force point of drive worm end cover for the user, makes the worm end cover that slides that the user can be more laborsaving. When the transmission efficiency between the worm wheel shaft and the worm shaft needs to be adjusted, the adjusting plate is pulled or pushed by hands to drive the worm end cover to slide on the shell, and then the worm shaft is driven to be far away from or close to the worm wheel shaft, so that the sliding drive of the worm end cover is completed.

Optionally, the housing is provided with a plurality of mounting holes, and the plurality of mounting holes are symmetrical with respect to the lifting hole.

By adopting the technical scheme, the shell can be fixedly connected with the tripod through the mounting hole, when the camera shooting equipment needs to be mounted, the shell is mounted on the tripod, and then the camera shooting equipment is mounted on the shell, so that the arrangement of the camera shooting equipment can be completed; the mounting hole is arranged about the lifting hole symmetry for the tripod can provide more even and stable holding power for the shell, even the camera equipment quality of installing on the shell is heavier, the focus of tripod also is difficult for taking place the skew, and then the difficult condition of empting appears.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the shell is connected with the worm end cover in a sliding mode and can drive the worm shaft and the worm wheel shaft to move relatively, the center distance between the worm shaft and the worm wheel shaft changes, the meshing depth of the worm shaft and the worm wheel shaft changes, and the transmission efficiency between the worm and the worm wheel is further changed, so that the worm wheel shaft and the worm shaft are in different transmission efficiencies according to different requirements, and the lifting height of the lifting platform can be adjusted more accurately;

2. the access hole can be used for a user to more conveniently observe the abrasion condition of the worm shaft and the worm wheel shaft inside the accommodating cavity so as to replace the failure component in time without detaching the whole shell for overhauling, and after overhauling is finished, the access cover covers the access hole so as to prevent rainwater and dust from entering the accommodating cavity and further prolong the service life of the lifting assembly;

3. the setting of a plurality of different index value scale marks for the user no matter carry out coarse adjustment or fine setting, all can accurately know the length of rotation of worm axle through referring to the scale mark, and then knows the lift height of elevating platform through calculating, thereby can further improve the accuracy nature of lift height control.

Drawings

Fig. 1 is a schematic structural diagram of a pan-tilt head lifting assembly according to an embodiment of the present application.

Fig. 2 is a schematic view showing the assembly of the worm shaft of fig. 1.

Fig. 3 is an exploded schematic view of a pan-tilt head lifting assembly according to an embodiment of the present application.

Description of reference numerals:

1. a housing; 11. an accommodating chamber; 12. a lifting hole; 13. an access hole; 14. an access cover; 141. a spacing pin; 142. a limiting hole; 15. mounting holes; 2. a worm end cap; 21. a sliding hole; 22. a limit bolt; 23. adjusting the plate; 3. a worm shaft; 31. adjusting the sleeve; 32. scale lines; 4. a worm gear shaft; 41. a lifting platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cloud platform lifting unit. Referring to fig. 1 and 3, the pan-tilt head lifting assembly includes a housing 1, a worm end cap 2, a worm shaft 3, and a worm-gear shaft 4. The shell 1 is horizontally arranged, the number of the worm end covers 2 is square, and the two worm end covers 2 are respectively positioned on two side surfaces of the shell 1 and connected with the shell 1 in a sliding manner; an accommodating cavity 11 is formed in the shell 1, the worm gear shaft 4 and the worm shaft 3 are positioned in the accommodating cavity 11 and are meshed with each other, the worm gear shaft 4 is vertically arranged, the worm shaft 3 is horizontally arranged, two side surfaces of the shell 1 are respectively provided with a through hole, a ball bearing is fixedly arranged on one side surface of the worm end cover 2 close to the through hole, a through hole is formed in the center of the worm end cover 2, the ball bearing, the through hole and the through hole are positioned on the same axis, and two ends of the worm shaft 3 penetrate through the through holes to be respectively rotatably connected with the two ball bearings and finally penetrate out of the through hole; the worm wheel shaft 4 is rotatably connected with the inner wall of the accommodating cavity 11.

Referring to fig. 2 and 3, a lifting table 41 is coaxially and fixedly mounted on the worm wheel shaft 4, the lifting table 41 is cylindrical, a lifting hole 12 is formed in the top surface of the housing 1, the lifting table 41 penetrates through the lifting hole 12, the image pickup device is mounted on the top surface of the lifting table 41, and the lifting table 41 can stretch and retract under the cooperation of the worm wheel shaft 3 and the worm wheel shaft 4, so that the image pickup device is driven to move to a proper height.

The sliding direction of the worm end cover 2 is the direction of changing the center distance between the worm shaft 3 and the worm wheel shaft 4, no matter how the shell 1 slides with the worm end cover 2, the worm shaft 3 and the worm wheel shaft 4 are always in a meshed state, the shell 1 and the worm end cover 2 can drive the worm shaft 3 and the worm wheel shaft 4 to move relatively through relative sliding, the center distance between the worm shaft 3 and the worm wheel shaft 4 changes accordingly, the meshing depth of the worm shaft 3 and the worm wheel shaft 4 also changes, and further the transmission efficiency between worm gears is changed. When the lifting height needs to be adjusted, firstly, the worm end cover 2 slides to drive the worm shaft 3 to move towards the direction close to the worm wheel shaft 4, so that the center distance between the worm shaft 3 and the worm wheel shaft 4 is minimum, the meshing depth of the worm shaft 3 and the worm wheel shaft 4 is maximum, and the lifting effect of the lifting platform 41 is most remarkable, so that large-amplitude coarse adjustment can be carried out; after coarse adjustment is completed, the worm gear end cover is slid to move towards the direction far away from the worm gear shaft 4, so that the center distance between the worm shaft 3 and the worm gear shaft 4 is the largest, the meshing depth of the worm shaft 3 and the worm gear shaft 4 is the smallest, the transmission efficiency between the worm and the worm gear is lower, small-amplitude fine adjustment can be conveniently performed, the worm gear shaft 4 and the worm shaft 3 are adjusted to be in different transmission efficiencies according to different requirements, and the lifting height of the lifting platform 41 can be accurately adjusted.

Referring to fig. 2 and 3, a sliding hole 21 is formed in the worm end cover 2, the sliding hole 21 is a kidney-shaped hole, the length direction of the sliding hole 21 is the sliding direction of the worm end cover 2, the sliding holes 21 are diagonally distributed on the worm end cover 2, in this embodiment, the number of the sliding holes 21 is two, a limit bolt 22 is inserted in the sliding hole 21, the limit bolt 22 can slide in the sliding hole 21, the limit bolt 22 is fixedly connected with the housing 1, the worm end cover 2 can slide relative to the housing 1 due to the cooperation of the sliding holes 21 and the limit bolt 22, the limit bolt 22 is used for fixing the worm end cover 2, the two diagonally arranged limit bolts 22 can maintain the normal sliding function of the worm end cover 2, so that the worm end cover 2 is not easy to twist in the sliding process, can slide more smoothly, and is convenient to detach without detaching the limit bolts 22, the maintenance and replacement of the internal components of the shell 1 can be completed. When the worm end cover 2 slides to a proper position, the limit bolt 22 is screwed, so that the worm end cover 2 is pressed on the shell 1 by the limit bolt 22 and is difficult to move, and at the moment, the worm shaft 3 can be rotated to adjust the height of the lifting platform 41; when the transmission efficiency needs to be readjusted, the fixing of the worm end cover 2 can be released by loosening the limit bolt 22.

Referring to fig. 2 and 3, an access hole 13 is formed in one side of the housing 1 close to the worm-gear shaft 4, the access hole 13 is square, the access hole 13 is communicated with the accommodating cavity 11, and the access hole 13 can be used for a user to more conveniently observe the wear conditions of the worm shaft 3 and the worm-gear shaft 4 in the accommodating cavity 11 so as to replace failed parts in time without detaching the whole housing 1 for maintenance; articulated on the shell 1 have access cover 14, and access cover 14 is used for covering access hole 13, and access cover 14's bottom surface fixed mounting has gag pin 141, and the spacing hole 142 with gag pin 141 looks adaptation is seted up to the top surface of shell 1, and gag pin 141 can be fixed access cover 14. After the maintenance is finished, the access cover 14 is rotated, the access cover 14 is covered on the access hole 13, and the limit pin 141 is inserted into the limit hole 142, so that the access cover 14 is covered on the shell 1 more tightly, the access hole 13 is covered more tightly, rainwater and dust are prevented from entering the accommodating cavity 11, and the service life of the lifting assembly can be prolonged.

Referring to fig. 2 and 3, an adjusting bushing 31 is installed at one end of the worm shaft 3, and the adjusting bushing 31 enables a user to rotate the worm shaft 3 with more effort; two groups of scale marks 32 are arranged on the worm shaft 3 on one side of the adjusting sleeve 31, the scale marks 32 are used for providing adjusting reference for the transmission of the worm and the worm wheel, and the two groups of scale marks 32 are arranged in parallel and have different division values. When the center distance of the worm gear is the minimum, the transmission efficiency is the highest, and the worm can be adjusted by referring to the scale line 32 with a larger division value when rotating; when the center distance of the worm gear and the worm is at the maximum, the transmission efficiency is the lowest, and the worm can be adjusted by referring to the scale marks 32 with smaller division values when rotating. The two sets of graduation lines 32 with different graduation values are arranged, so that a user can accurately know the rotating length of the worm shaft 3 by referring to the graduation lines 32 no matter whether coarse adjustment or fine adjustment is carried out, and then the lifting height of the lifting table 41 is obtained through calculation, so that the accuracy of lifting height adjustment can be further improved.

Referring to fig. 1 and 3, a plurality of mounting holes 15 are formed in the bottom surface of the housing 1, the mounting holes 15 are symmetrically arranged with respect to the lifting hole 12, the housing 1 can be fixedly connected with a tripod through the mounting holes 15, when the camera device needs to be mounted, the housing 1 is mounted on the tripod, and then the camera device is mounted on the housing 1, so that the arrangement of the camera device can be completed; mounting hole 15 is about lifting hole 12 symmetrical arrangement for the tripod can provide more even and stable holding power for shell 1, makes even the camera equipment quality of installing on shell 1 heavier, and the focus of tripod is difficult for taking place the skew, and then the difficult condition of empting that appears.

Referring to fig. 1 and 3, the adjusting plates 23 are fixedly mounted on the two worm end covers 2, the adjusting plates 23 are square, and the adjusting plates 23 are used for providing force points for driving the worm end covers 2 for a user to enable the user to slide the worm end covers 2 in a labor-saving manner. When the transmission efficiency between the worm wheel shaft 4 and the worm shaft 3 needs to be adjusted, the adjusting plate 23 is pulled or pushed by hand to drive the worm end cover 2 to slide on the shell 1, and further drive the worm shaft 3 to be far away from or close to the worm wheel shaft 4, so that the sliding drive of the worm end cover 2 is completed.

The implementation principle of cloud platform lifting unit of this application embodiment does: the shell 1 and the worm end cover 2 are connected in a sliding mode, the worm shaft 3 and the worm wheel shaft 4 can be driven to move relatively, the center distance between the worm shaft 3 and the worm wheel shaft 4 changes accordingly, the meshing depth of the worm shaft 3 and the worm wheel shaft 4 changes, the transmission efficiency between the worm and the gear is further changed, and the worm shaft 3 and the worm wheel shaft 4 are always in a meshing state no matter how the shell 1 and the worm end cover 2 slide. When the lifting height needs to be adjusted, firstly, the worm end cover 2 is slid to move towards the direction close to the worm wheel shaft 4, so that the center distance between the worm shaft 3 and the worm wheel shaft 4 is the minimum, the meshing depth of the worm shaft 3 and the worm wheel shaft 4 is the maximum, the lifting effect of the lifting platform 41 is most obvious, and the large-amplitude coarse adjustment can be conveniently carried out; after coarse adjustment is completed, the worm wheel end cover is slid again to move in the direction far away from the worm wheel shaft 4, so that the center distance between the worm shaft 3 and the worm wheel shaft 4 is maximized, the meshing depth of the worm shaft 3 and the worm wheel shaft 4 is minimized, the transmission efficiency between the worm and the worm wheel is low, and small-amplitude fine adjustment is performed, so that the worm wheel shaft 4 and the worm shaft 3 can be in different transmission efficiencies according to different requirements, and the lifting height of the lifting platform 41 can be adjusted more accurately.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a cloud platform lifting unit which characterized in that: the worm gear comprises a shell (1), worm end covers (2), a worm shaft (3) and a worm gear shaft (4), wherein the shell (1) is connected with the worm end covers (2) in a sliding manner, the worm end covers (2) are positioned on two sides of the shell (1), an accommodating cavity (11) is formed in the shell (1), the worm gear shaft (4) and the worm shaft (3) are positioned in the accommodating cavity (11) and are always meshed with each other, two ends of the worm shaft (3) are rotatably connected with the worm end covers (2), the worm gear shaft (4) is rotatably connected with the shell (1), and the sliding between the worm end covers (2) and the shell (1) can change the center distance between the worm shaft (3) and the worm gear shaft (4); the worm wheel shaft (4) is fixedly provided with a lifting platform (41), the shell (1) is further provided with a lifting hole (12), and the lifting platform (41) is arranged in the lifting hole (12) in a penetrating mode.

2. A pan and tilt head lifting assembly according to claim 1, wherein: be provided with on worm end cover (2) and slide hole (21), wear to be equipped with spacing bolt (22) in sliding hole (21), spacing bolt (22) can slide in sliding hole (21), spacing bolt (22) with shell (1) fixed connection.

3. A pan and tilt head lifting assembly according to claim 2, wherein: the sliding holes (21) are distributed on the worm end cover (2) in a diagonal manner.

4. A pan and tilt head lifting assembly according to claim 1, wherein: be provided with access hole (13) on shell (1), access hole (13) with hold chamber (11) and be linked together, it has access cover (14) to articulate on shell (1), access cover (14) are used for covering access hole (13).

5. A pan and tilt head lifting assembly according to claim 4, wherein: a limit pin (141) is fixed on the access cover (14), and a limit hole (142) matched with the limit pin (141) is formed in the shell (1).

6. A pan and tilt head lifting assembly according to claim 1, wherein: one end of the worm shaft (3) is provided with an adjusting sleeve (31) and a plurality of scale marks (32), and the scale marks (32) have different division values.

7. A pan and tilt head lifting assembly according to claim 1, wherein: and an adjusting plate (23) is arranged on the worm end cover (2).

8. A pan and tilt head lifting assembly according to claim 1, wherein: the shell (1) is provided with a plurality of mounting holes (15), and the mounting holes (15) are symmetrical relative to the lifting hole (12).

Images