CN215675085U

CN215675085U - Rotating arm adopting through hole slip ring

Info

Publication number: CN215675085U
Application number: CN202121789942.4U
Authority: CN
Inventors: 朱永刚; 朱本元; 赵倩
Original assignee: Shandong Chengxing Electromechanical Equipment Co ltd
Current assignee: Shandong Chengxing Electromechanical Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-28
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a rotating arm adopting via hole slip rings, which comprises a first rotating arm, a second rotating arm and a cantilever shaft, wherein the first rotating arm and the second rotating arm are arranged on one side of the cantilever shaft, bearings are respectively arranged between sleeves of the first rotating arm and the second rotating arm and the cantilever shaft, two via hole slip rings are sleeved on the outer side of the cantilever shaft, the two via hole slip rings are respectively positioned on the inner sides of the sleeves, a stator outgoing line on the upper side of each via hole slip ring penetrates through a threading hole of a cantilever and then is positioned on the inner side of the cantilever shaft, and a rotor outgoing line on the lower side of each via hole slip ring is respectively connected with a transmission head of the first rotating arm and a transmission head of the second rotating arm, so that transmission of a power supply and a data signal is realized. The utility model has high reliability and convenient installation, ensures the reliability of power supply and data signal transmission, does not wind wires, is not influenced by the rotation of the first rotating arm or the second rotating arm, can transmit stable power supply and data signals and ensures the smooth operation.

Description

Rotating arm adopting through hole slip ring

Technical Field

The utility model relates to the technical field of shadowless lamps, in particular to a rotating arm adopting a through hole slip ring.

Background

The operating shadowless lamp is used for illuminating the operation position, in order to observe the small, low-contrast object in different depth in incision and coelom optimally, because the operator's head, hand and apparatus can cause the interference shadow to the operation position, therefore the operating shadowless lamp should be designed to eliminate the shadow as much as possible, and can reduce the color distortion to the minimum extent, in addition, the shadowless lamp must still be able to work continuously for a long time, but not disperse excessive heat, because the overheating can make the operator uncomfortable, also can make the tissue in the operation region dry, the shadowless lamp can' not be 'shadowless' in nature, it only reduces the shadow, makes the shadow not obvious, the shadow is formed by the light irradiation object, the shadow is different in every place on the earth.

At the operating room operation in-process, need use the shadowless lamp device, and current shadowless lamp device is when using, especially in the operation process, needs rotatory swivel arm to rotate the regulation to medical shadowless lamp, reaches best illuminating effect, because adopt in the current operation shadowless lamp swinging boom to realize the transmission of power and signal for split type sliding ring, promptly: the slip ring is installed on the cantilever shaft, and the brush is installed on the swinging boom, and the swinging boom rotates and drives and keeps the contact between brush and the slip ring, keeps the transmission function. This structure has the following disadvantages: 1. the contact part of the electric brush and the slip ring leaks outwards, so that the electric brush is easy to be polluted and the conduction reliability is influenced; 2. the installation and matching requirements of the electric brush and the slip ring are strict, so that the phenomena of poor contact, ignition, short circuit and the like are easily caused, the operating lamp is dim when rotating, even the lamp light is completely absent, and the operation is influenced; 3. the electric brush and the slip ring are easy to wear, and the electric brush and the slip ring can not be normally used after being used for a period of time; 5. the signal transmission can not rotate freely at more than 360 degrees and wind the wire.

Disclosure of Invention

The utility model aims to provide the rotating arm adopting the via hole slip ring, which has high reliability and convenient installation, ensures the reliability of power supply and data signal transmission, does not wind a wire, is not influenced by the rotation of the first rotating arm or the second rotating arm, can transmit stable power supply and data signals and ensures the smooth operation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an adopt swinging boom of via hole sliding ring, includes first swinging boom, second swinging boom and cantilever axle, cantilever axle one side is equipped with first swinging boom and second swinging boom, first swinging boom and second swinging boom one end are all established in the cantilever off-axial side through the barrel casing, all be equipped with the bearing between the sleeve of first swinging boom and second swinging boom and the cantilever axle, cantilever off-axial side cover is equipped with two via hole sliding rings, two via hole sliding rings all are located the sleeve inboard, the stator lead-out wire of every via hole sliding ring upside all passes and lies in the cantilever on-axial inboard behind the through wires hole of cantilever, the rotor lead-out wire of every via hole sliding ring downside is connected with first swinging boom, the transmission head of second swinging boom respectively, realize the transmission of power and data signal.

Further, via hole sliding ring includes rotor and stator, and cantilever axle outside cover is equipped with two stators, and every stator outside all overlaps and is equipped with the rotor, and every stator outside all is equipped with the ring, and every rotor inboard all is equipped with the brush yoke, is equipped with the brush on the brush yoke, brush and ring electric connection, and the stator lead-out wire of every stator upside passes and lies in the cantilever axle inboard behind the cantilever axle through wires hole, and the rotor lead-out wire of every rotor downside is connected with the transmission head of first swinging boom, second swinging boom respectively, realizes power and data signal's transmission.

Further, a lubricating layer with conductivity is arranged between the electric brush and the loop, and the lubricating layer is a graphene lubricating layer.

The utility model has the following beneficial effects: the device has high reliability and convenient installation, both power supply and video signals can be transmitted, wires are not wound, the device is not influenced by the rotation of the first rotating arm or the second rotating arm, and stable power supply and video signals can be transmitted, so that the smooth operation is ensured; the circuit and the electric brush are arranged in the slip ring, so that the electric brush is in a sealed environment and is not easy to pollute, the conductive reliability is ensured, the lubricating layer with the conductive capacity is arranged between the electric brush and the circuit, the graphene lubricating layer is adopted as the lubricating layer, and the friction coefficient between the electric brush and the circuit can be reduced due to the arrangement of the graphene lubricating layer, so that the electric brush or the circuit is prevented from being seriously worn in use, the service life of the utility model is prolonged, meanwhile, the graphene lubricating layer has good conductivity, the signal transmission efficiency of the via hole slip ring can be improved, and the performance of the via hole slip ring can be improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Wherein: 1. the device comprises a first rotating arm, a second rotating arm, a cantilever shaft, a through hole slip ring, a rotating shaft, a rotor and a rotating shaft, wherein the first rotating arm 2, the second rotating arm 3, the cantilever shaft 4 and the through hole slip ring 5 are arranged on the rotating shaft 6. 7. Stator, 8, sleeve, 9, loop, 10, brush, 11, stator lead-out wire, 12, rotor lead-out wire, 13, lubricating layer, 14 and brush holder.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a rotating arm using via hole slip rings includes a first rotating arm 1, a second rotating arm 2 and a cantilever shaft 3, one side of the cantilever shaft 3 is provided with the first rotating arm 1 and the second rotating arm 2, one end of each of the first rotating arm 1 and the second rotating arm 2 is arranged outside the cantilever shaft 3 through a sleeve 8, a bearing 5 is arranged between each of the sleeve 8 of the first rotating arm 1 and the second rotating arm 2 and the cantilever shaft 3, the outer side of the cantilever shaft 3 is sleeved with two via hole slip rings 4, the two via hole slip rings 4 are arranged inside the sleeve 8, a stator outgoing line 11 on the upper side of each via hole slip ring 4 passes through a threading hole of the cantilever 3 and then is arranged inside the cantilever shaft 3, a rotor outgoing line 12 on the lower side of each via hole slip ring 4 is connected with a transmission head of the first rotating arm 1 and the second rotating arm 2, so as to realize transmission of power and data signals.

Via hole sliding ring 4 includes rotor 6 and

stator

7, 3 outside covers of cantilever shaft are equipped with two stators 7, every 7 outside covers of stator all is equipped with rotor 6, every 7 outside of stator all is equipped with ring 9, every rotor inboard all is equipped with brush carrier 14, be equipped with brush 10 on the brush carrier 14, brush 10 and ring 9 electric connection, the stator lead-out wire 11 of every 7 upsides of stator passes and lies in 3 inboards of cantilever shaft behind the 3 through wires holes of cantilever shaft, rotor lead-out wire 12 of every 6 downside of rotor is connected with first swinging boom 1, the transmission head of second swinging boom 2 respectively, realize power and data signal's transmission.

And a lubricating layer 13 with conductivity is arranged between the electric brush 10 and the loop 9, and the lubricating layer 13 is a graphene lubricating layer.

According to the rotating arm adopting the via hole slip ring, the first rotating arm 1 or the second rotating arm 2 is pushed, the first rotating arm 1 or the second rotating arm 2 rotates around the cantilever shaft 3 through the bearing 5, and meanwhile, the rotor 6 synchronously rotates along with the first rotating arm 1 or the second rotating arm 2; the device has high reliability and convenient installation, both power supply and video signals can be transmitted, wires are not wound, the device is not influenced by the rotation of the first rotating arm or the second rotating arm, and stable power supply and video signals can be transmitted, so that the smooth operation is ensured; the inner part of the slip ring is provided with the loop and the electric brush, so that the electric brush is in a sealed environment and is not easy to be polluted, the conductive reliability is ensured, the lubricating layer 13 with the conductive capability is arranged between the electric brush 10 and the loop 9, the lubricating layer 13 adopts a graphene lubricating layer, and the friction coefficient between the electric brush 10 and the loop 9 can be reduced due to the arrangement of the graphene lubricating layer, so that the electric brush 10 or the loop 9 is prevented from being seriously worn in use, the service life of the utility model is prolonged, meanwhile, the graphene lubricating layer has good conductivity, the signal transmission efficiency of the via slip ring 4 can be improved, and the performance of the via slip ring 4 is improved.

The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is the same or similar to the technical solutions of the present invention.

The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides an adopt swinging boom of via hole sliding ring, includes first swinging boom, second swinging boom and cantilever shaft, its characterized in that: the utility model discloses a cantilever shaft, including cantilever shaft, first swinging boom, second swinging boom, bearing, two via hole sliding rings, the stator lead-out wire of every via hole sliding ring upside all passes behind the through wires hole of cantilever and lies in the cantilever shaft inboard, the rotor lead-out wire of every via hole sliding ring downside is connected with first swinging boom, the transmission head of second swinging boom respectively, realize power and data signal's transmission.

2. A rotating arm using a via slip ring according to claim 1, wherein: the via hole slip ring comprises a rotor and a stator, two stators are sleeved on the outer side of the cantilever shaft, the rotor is sleeved on the outer side of each stator, a loop is arranged on the outer side of each stator, a brush holder is arranged on the inner side of each rotor, a brush is arranged on the brush holder, the brush is electrically connected with the loop, a stator outgoing line on the upper side of each stator penetrates through a threading hole of the cantilever shaft and then is positioned on the inner side of the cantilever shaft, a rotor outgoing line on the lower side of each rotor is connected with a transmission head of a first rotating arm and a second rotating arm respectively, and transmission of a power supply and data signals is achieved.

3. A rotating arm using a via slip ring according to claim 2, wherein: and a lubricating layer with conductivity is arranged between the electric brush and the loop, and the lubricating layer is a graphene lubricating layer.