CN215585267U - Medical irradiation device and balance lifting mechanism - Google Patents
Medical irradiation device and balance lifting mechanism Download PDFInfo
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- CN215585267U CN215585267U CN202120092470.0U CN202120092470U CN215585267U CN 215585267 U CN215585267 U CN 215585267U CN 202120092470 U CN202120092470 U CN 202120092470U CN 215585267 U CN215585267 U CN 215585267U
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Abstract
The utility model provides a medical irradiation device and a balance lifting mechanism, wherein the balance lifting mechanism comprises a bearing seat, a first winding drum, a second winding drum and a driving mechanism, wherein the first winding drum is rotatablely arranged on the bearing seat and used for winding or unwinding a first rope, and a first gear is arranged on the first winding drum; the second winding drum is arranged on the bearing seat in a rotating mode and used for winding or unwinding a second rope, a second gear is arranged on the second winding drum, and the second gear and the first gear are arranged at intervals; the driving mechanism comprises a motor and a third gear, the motor is used for driving the third gear to rotate, the third gear is meshed between the first gear and the second gear, and the third gear is used for linking the first gear and the second gear to synchronously rotate so as to synchronously wind or unwind the first rope and the second rope. This balanced elevating system novel structure, convenient to use through the synchronous rotation of the first gear of a third gear linkage, second gear, can reach better balanced lift effect.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a medical irradiation device and a balance lifting mechanism.
Background
Medical irradiation devices are generally installed in two ways: supporting and hoisting.
The hoisting type generally comprises two telescopic arms, the hoisting type multi-mining double motors are adopted, each motor drives one telescopic arm to independently lift, the double motors are adopted, the cost is high, and the two motors are difficult to lift synchronously and balancedly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a medical irradiation device and a balance lifting mechanism, which are used for solving the problems that in the prior art, double motors are adopted, each motor drives a telescopic arm to independently lift, the manufacturing cost is high, and synchronous balance lifting is difficult.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a balanced lift mechanism comprising:
a bearing seat;
the first winding drum is arranged on the bearing seat in a rotating manner and used for winding or unwinding a first rope, and a first gear is arranged on the first winding drum;
the second winding drum is arranged on the bearing seat in a rotating manner and used for winding or unwinding a second rope, a second gear is arranged on the second winding drum, and the second gear and the first gear are arranged at intervals;
the driving mechanism comprises a motor and a third gear, the motor is used for driving the third gear to rotate, the third gear is meshed between the first gear and the second gear, and the third gear is used for linking the first gear and the second gear to synchronously rotate so that the first rope and the second rope can be synchronously wound or unwound.
According to a specific embodiment of the present invention, the balance lifting mechanism further includes a speed reducer, and the third gear is connected to the motor through the speed reducer.
According to a specific embodiment of the present invention, the first winding drum and the second winding drum are provided with spiral grooves, and the first rope and the second rope can be matched and embedded in the spiral grooves.
According to a specific embodiment of the present invention, the balance lifting mechanism further includes a limiting mechanism, and the limiting mechanism includes:
the sliding rails are arranged on the side edge of the first winding drum at intervals in parallel;
the first limit switch is arranged at one end of the sliding rail and is electrically connected with the motor;
the second limit switch is arranged at the other end of the sliding rail and is electrically connected with the motor;
the sliding block is arranged on the sliding block in a sliding mode and located between the first limit switch and the second limit switch, a guide arm which is matched and embedded with the spiral groove is arranged on one side, facing the first winding drum, of the sliding block, when the first winding drum rotates, the spiral groove forces the guide arm to drive the sliding block to slide on the sliding rail, and when the sliding block is in contact with the first limit switch or the second limit switch, the motor is powered off and stops rotating.
According to a specific embodiment of the present invention, the slider is further connected with a first limit arm and a second limit arm, the balance lifting mechanism further includes a third limit switch and a fourth limit switch, the third limit switch and the fourth limit switch are respectively located at outer sides of the first limit switch and the second limit switch, and when the guide arm drives the slider, the first limit arm, and the second limit arm to slide on the slide rail, if the first limit switch or the second limit switch fails, the first limit arm, the second limit arm, the third limit switch, and the fourth limit switch form a standby limit protection.
According to a specific embodiment of the utility model, the balance lifting mechanism further comprises a connecting frame, a hoisting frame and a plurality of sections of telescopic rods, the connecting frame is arranged on two side edges of the bearing seat and used for being fixed with a hoisted device, a first pulley is arranged on the connecting frame, the hoisting frame is used for being fixed with a roof, a second pulley is arranged on the hoisting frame, the first rope and the second rope sequentially pass around the first pulley and the second pulley and are connected with the connecting frame, and the plurality of telescopic rods are connected between the hoisting frame and the connecting frame.
According to an embodiment of the utility model, at least one section of the telescopic rod comprises a pipe body and an adjusting piece, the pipe body is in threaded connection with the adjusting piece, and the length of the telescopic rod can be finely adjusted through threaded adjustment.
According to a specific embodiment of the utility model, the connecting frame comprises a base, a hinged seat and a balance adjusting bolt, one end of the hinged seat is hinged with the base, the other end of the hinged seat is connected with the telescopic rod, balance adjusting blocks are arranged on two sides of the hinged seat, each balance adjusting block is provided with a screw hole, the balance adjusting bolt is matched with the screw hole, and the free end of the balance adjusting bolt is abutted to the base.
According to a specific embodiment of the present invention, the balance lifting mechanism further includes a cover body, the cover body includes a telescopic cover and a protective cover, the telescopic cover is sleeved on the periphery of the telescopic rod, and the protective cover covers the bearing seat, the first winding drum, the second winding drum, the first rope and the second rope.
In order to solve the technical problem, the utility model adopts another technical scheme that: the medical irradiation device comprises a main box body and the balance lifting mechanism.
The utility model has the beneficial effects that: different from the prior art, the balance lifting mechanism provided by the utility model has the advantages of novel structure and convenience in use, and can achieve a better balance lifting effect by the linkage of the first gear and the second gear through the third gear to synchronously rotate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic perspective view of a medical irradiation device provided by an embodiment of the present invention;
fig. 2 is a schematic perspective view of a balanced lifting mechanism according to an embodiment of the present invention;
fig. 3 is a partial enlarged structural schematic view of a balanced lifting mechanism provided in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a partial enlarged structure of a balanced lifting mechanism provided in an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a partial enlarged structure of a balanced lifting mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a partial enlarged structure of a balanced lifting mechanism according to an embodiment of the present invention;
fig. 7 is a partially enlarged schematic structural diagram of a balanced lifting mechanism according to an embodiment of the present invention.
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. All other embodiments, which can be obtained by a person skilled in the art without inventive work based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 7, an embodiment of a balanced lifting mechanism 100 includes a carriage 102, a first reel 110, a second reel 120, and a driving mechanism.
The carrier base 102 may be made of a strong metal material, and the carrier base 102 has a certain height and has a mounting hole to support the first reel 110 and the second reel 120 to be rotatably mounted.
The first winding drum 110 is rotatably disposed on the carrying seat 102, the first winding drum 110 is used for winding or unwinding a first rope 112, and a first gear 114 is fixedly disposed on the first winding drum 110.
The second winding drum 120 is rotatably disposed on the carrying seat 102, the second winding drum 120 is used for winding or unwinding the second rope 122, a second gear 124 is fixedly disposed on the second winding drum 120, and the second gear 124 and the first gear 114 are disposed at an interval. The first winding drum 110 and the second winding drum 120 are arranged in parallel at intervals, and the first winding drum 110 and the second winding drum 120 can be rotatably arranged on the bearing seat 102 through a bearing.
The driving mechanism includes a motor 130 and a third gear 132, the motor 130 is used for driving the third gear 132 to rotate, the third gear 132 is engaged between the first gear 114 and the second gear 124, and the third gear 132 is used for linking the first gear 114 and the second gear 124 to synchronously rotate so as to synchronously rotate the first winding drum 110 and the second winding drum 120, so that the first rope 112 and the second rope 122 are synchronously wound or unwound.
The balance lifting mechanism 100 provided by the embodiment can achieve a better balance lifting effect by using the third gear 132 to link the first gear 114 and the second gear 124 to synchronously rotate.
The winding mode of the first rope 112 and the second rope 122 is asymmetric, and when the leading-out position of the first rope 112 is tangent to the top of the first winding drum 110, the leading-out position of the second rope 122 is tangent to the bottom of the second winding drum 120; when the leading-out position of the first rope 112 is tangent to the bottom of the first winding drum 110, the leading-out position of the second rope 122 is tangent to the top of the second winding drum 120, the winding manner is a key of synchronous winding or unwinding, and if the winding manners of the first rope 112 and the second rope 122 are symmetrically arranged, the third gear 132 will cause a winding condition on one side and unwinding on the other side when rotating.
In the embodiment of the present invention, the balance lifting mechanism 100 further includes a speed reducer 134, the third gear 132 is connected to the motor 130 through the speed reducer 134, and the speed reducer 134 is configured to reduce the speed of the rotation speed output by the motor 130 and then transmit the rotation speed to the third gear 132.
Further, the first drum 110 and the second drum 120 are provided with spiral grooves 115, and the first rope 112 and the second rope 122 can be matched and embedded with the spiral grooves 115.
As shown in fig. 5, in the embodiment of the present invention, the balance lifting mechanism 100 further includes a limit mechanism, and the limit mechanism includes a slide rail 140, a first limit switch 141, a second limit switch 142, and a slide block 143.
The sliding rails 140 are disposed on the side of the first reel 110 in parallel at intervals.
The first limit switch 141 is disposed at one end of the slide rail 140 and electrically connected to the motor 130, and the first limit switch 141 is normally closed in the operating circuit.
The second limit switch 142 is disposed at the other end of the sliding rail 140 and electrically connected to the motor 130, and the second limit switch 142 is normally closed in the operating circuit.
The sliding block 143 is slidably disposed on the sliding block 143 and located between the first limit switch 141 and the second limit switch 142, a guiding arm 144 matching and engaging with the spiral groove 115 is disposed on one side of the sliding block 143 facing the first winding drum 110, when the first winding drum 110 rotates, the spiral groove 115 forces the guiding arm 144 to drive the sliding block 143 to slide on the sliding rail 140, when the sliding block 143 contacts the first limit switch 141 or the second limit switch 142, the motor 130 is powered off and stops rotating, that is, when the sliding block 143 contacts the first limit switch 141 or the second limit switch 142, the first limit switch 141 or the second limit switch 142 is changed from a normally closed state to an open state, and a power supply circuit of the motor 130 is disconnected.
The adjacent spiral grooves 115 are spaced by raised spiral ribs, the guide arms 144 can also be engaged with the spiral ribs, and when the first reel 110 rotates, the spiral ribs force the guide arms 144 to drive the sliding blocks 143 to slide on the sliding rails 140.
In order to ensure the reliability and safety of the limit, two sides of the sliding block 143 are further connected with a first limit arm 145 and a second limit arm 146, the balance lifting mechanism 100 further includes a main control module (CPU) and a bracket 147, the main control module is electrically connected with the motor 130, the bracket 147 is provided with a third limit switch 148 and a fourth limit switch 149 which are in communication connection with the main control module, the third limit switch 148 and the fourth limit switch 149 are respectively located at the outer sides of the first limit switch 141 and the second limit switch 142, when the guide arm 144 drives the sliding block 143, the first limit arm 145 and the second limit arm 146 to slide relative to the sliding rail 140, if the first limit switch 141 or the second limit switch 142 fails, the first limit arm 145, the second limit arm 146, the third limit switch 148 and the fourth limit switch 149 form a standby limit protection.
Specifically, the distance between the two outer contact end surfaces of the first limit arm 145 and the second limit arm 146 is greater than the distance between the two outer contact end surfaces of the slider 143 itself, the communication connection may be a wired connection or a wireless connection, the wireless connection may be a bluetooth connection or an infrared connection, and the like, and the distance between the third limit switch 148 and the fourth limit switch 149 is slightly greater than the distance between the first limit switch 141 and the second limit switch 142.
The first limit switch 141 and the second limit switch 142 realize the limit by the power-off mode, the third limit switch 148 and the fourth limit switch 149 may be in a normally closed state, and are changed into an open state by touching, and the limit is also realized by the power-off mode, or the third limit switch 148 and the fourth limit switch 149 may transmit a signal to the main control module when touching, and the main control module responds to the signal and transmits a stop signal to the motor 130.
The balance lifting mechanism 100 further comprises a connecting frame 150, a hoisting frame 160 and a plurality of sections of telescopic rods 170 arranged on two sides of the bearing base 102.
The connecting frame 150 is used for being fixed with a hoisted device (see a main box body 200 in fig. 1), the connecting frame 150 is provided with a first pulley 156, the hoisting frame 160 is used for being fixed with a roof, the hoisting frame 160 is provided with a second pulley 166, the first rope 112 and the second rope 122 sequentially pass through the first pulley 156 and the second pulley 166 and are connected with the connecting frame 150, and the plurality of telescopic rods 170 are connected between the hoisting frame 160 and the connecting frame 150.
Generally, the first rope 112 and the second rope 122 bear the weight of the hoisted device (the main box 200), the multi-section telescopic rod 170 is relatively in a retracted state, and is less than the maximum extendable length thereof, because the first rope 112 and the second rope 122 are flexible and may break, the multi-section telescopic rod 170 mainly plays a role in rigidly connecting the hoisted device and protecting the hoisted device, if only the first rope 112 and the second rope 122 are hoisted to the hoisted device, the hoisted device is easy to shake, the shaking can be reduced by additionally arranging the multi-section telescopic rod 170, and if the first rope 112 and/or the second rope 122 break, the multi-section telescopic rod 170 can bear the weight of the hoisted device when the first rope 112 and/or the second rope 122 break, and plays a role in protecting the hoisted device.
As shown in fig. 7, in the embodiment of the present invention, the connection frame 150 includes a base 151, a hinge base 152, and a balance adjustment bolt 153.
The base 151 is fixed to the top surface of the main housing 200. The one end and the articulated connection of base 151 of articulated seat 152, the other end and the telescopic link 170 of articulated seat 152 are connected, and articulated seat 152 is big to be the cross form, and the both sides of articulated seat 152 are equipped with balanced regulating block 154, and balanced regulating block 154 is equipped with screw 155, and balanced adjusting bolt 153 and screw 155 cooperate, and the free end and the base 151 butt of balanced adjusting bolt 153.
In the embodiment of the present invention, the main box 200 is substantially rectangular, when the main box 200 is inclined relative to the horizontal plane, the state of the main box 200 can be adjusted by the balance adjusting bolts 153, the number of the balance adjusting bolts 153 can be 4, when one side of the main box 200 is inclined too much, the corresponding balance adjusting bolt 153 can be rotated, and the free end of the balance adjusting bolt 153 presses the main box 200 to make the main box 200 be relatively horizontal.
In addition, as shown in fig. 1, the balance lifting mechanism 100 further includes a cover body, the cover body includes a telescopic cover 182 and a protective cover 184, the telescopic cover 182 is sleeved on the periphery of the telescopic rod 170, and the protective cover 184 covers the bearing seat 102, the first winding drum 110, the second winding drum 120, the first rope 112, and the second rope 122.
As shown in fig. 1, the embodiment of the present invention further provides a medical irradiation device 10, which includes a main box 200 and the above-mentioned balance lifting mechanism 100.
Be equipped with irradiation assembly in the main tank body 200, because do not relate to utility model and locate, the here is not repeated, still is equipped with scram switch 210 on the main tank body 200, can send the scram signal to host system when scram switch 210 presses, and host system responds that this signal can send stall signal rapidly and goes up and down for motor 130 in order to stop main tank body 200.
In summary, it is easily understood by those skilled in the art that the balance lifting mechanism 100 provided in the present embodiment can achieve a better balance lifting effect by using the third gear 132 to link the first gear 114 and the second gear 124 to rotate synchronously. The main housing 200 is relatively horizontally positioned by pressing down the main housing 200 by the free end of the balance-adjusting bolt 153.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A balanced lift mechanism, comprising:
a bearing seat;
the first winding drum is arranged on the bearing seat in a rotating manner and used for winding or unwinding a first rope, and a first gear is arranged on the first winding drum;
the second winding drum is arranged on the bearing seat in a rotating manner and used for winding or unwinding a second rope, a second gear is arranged on the second winding drum, and the second gear and the first gear are arranged at intervals;
the driving mechanism comprises a motor and a third gear, the motor is used for driving the third gear to rotate, the third gear is meshed between the first gear and the second gear, and the third gear is used for linking the first gear and the second gear to synchronously rotate so that the first rope and the second rope can be synchronously wound or unwound.
2. The balanced lift mechanism of claim 1, further comprising a speed reducer, wherein the third gear is coupled to the motor via the speed reducer.
3. The balanced lift mechanism of claim 1, wherein: the first winding drum and the second winding drum are provided with spiral grooves, and the first rope and the second rope can be matched with the spiral grooves in an embedded mode.
4. The balanced lift mechanism of claim 3, wherein: balanced elevating system still includes stop gear, stop gear includes:
the sliding rails are arranged on the side edge of the first winding drum at intervals in parallel;
the first limit switch is arranged at one end of the sliding rail and is electrically connected with the motor;
the second limit switch is arranged at the other end of the sliding rail and is electrically connected with the motor;
the sliding block is arranged on the sliding block in a sliding mode and located between the first limit switch and the second limit switch, a guide arm which is matched and embedded with the spiral groove is arranged on one side, facing the first winding drum, of the sliding block, when the first winding drum rotates, the spiral groove forces the guide arm to drive the sliding block to slide on the sliding rail, and when the sliding block is in contact with the first limit switch or the second limit switch, the motor is powered off and stops rotating.
5. The balanced lifting mechanism of claim 4, wherein the slider is further connected with a first limit arm and a second limit arm, the balanced lifting mechanism further comprises a third limit switch and a fourth limit switch, the third limit switch and the fourth limit switch are respectively located at the outer sides of the first limit switch and the second limit switch, and when the guide arm drives the slider, the first limit arm and the second limit arm to slide relative to the slide rail, if the first limit switch or the second limit switch fails, the first limit arm, the second limit arm, the third limit switch and the fourth limit switch form a standby limit protection.
6. The balanced lifting mechanism of claim 1, further comprising a connecting frame, a lifting frame and a plurality of telescopic rods, wherein the connecting frame, the lifting frame and the telescopic rods are arranged on two side edges of the bearing seat, the connecting frame is used for being fixed with a lifted device, a first pulley is arranged on the connecting frame, the lifting frame is used for being fixed with a roof, a second pulley is arranged on the lifting frame, the first rope and the second rope sequentially pass around the first pulley and the second pulley and are connected with the connecting frame, and the telescopic rods are connected between the lifting frame and the connecting frame.
7. The balanced lift mechanism of claim 6, wherein the first and second ropes bear the weight of the hoisted device, the plurality of telescoping rods rigidly connect and protect the hoisted device, and the plurality of telescoping rods bear the weight of the hoisted device when the first and/or second ropes break.
8. The balance lifting mechanism according to claim 6, wherein the connecting frame comprises a base, a hinged seat and balance adjusting bolts, one end of the hinged seat is hinged to the base, the other end of the hinged seat is connected with the telescopic rod, balance adjusting blocks are arranged on two sides of the hinged seat and provided with screw holes, the balance adjusting bolts are matched with the screw holes, and free ends of the balance adjusting bolts are abutted to the base.
9. The balanced lift mechanism of claim 6, further comprising a cover body, wherein the cover body comprises a retractable cover and a protective cover, the retractable cover is sleeved on the periphery of the retractable rod, and the protective cover covers the carrying seat, the first winding drum, the second winding drum, the first rope and the second rope.
10. A medical irradiation device, comprising a main housing and a balanced lift mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092470.0U CN215585267U (en) | 2021-01-04 | 2021-01-04 | Medical irradiation device and balance lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092470.0U CN215585267U (en) | 2021-01-04 | 2021-01-04 | Medical irradiation device and balance lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215585267U true CN215585267U (en) | 2022-01-21 |
Family
ID=79869182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120092470.0U Active CN215585267U (en) | 2021-01-04 | 2021-01-04 | Medical irradiation device and balance lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215585267U (en) |
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2021
- 2021-01-04 CN CN202120092470.0U patent/CN215585267U/en active Active
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