CN206298324U - A kind of many parallel lowering or hoisting gears of bar feed screw nut - Google Patents
A kind of many parallel lowering or hoisting gears of bar feed screw nut Download PDFInfo
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- CN206298324U CN206298324U CN201621386475.XU CN201621386475U CN206298324U CN 206298324 U CN206298324 U CN 206298324U CN 201621386475 U CN201621386475 U CN 201621386475U CN 206298324 U CN206298324 U CN 206298324U
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- support frame
- lead screw
- screw nut
- shafts
- lifting device
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- 230000033001 locomotion Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
本实用新型公开了一种多杆丝杠螺母平行升降装置，包括前支撑架，前支撑架内部设置有旋转轴，前支撑架上铰接有两组互相平行的连轴，两组互相平行的连轴分别与中支撑架和后支撑架连接；两组连轴上部的轴上均连接有丝杠，且丝杠还与前支撑架连接。该装置能够使丝杠的强度进行加固，从而提高了丝杠螺母机构的稳定性，获得了较大的扭矩，且升降装置易于控制，稳定性好。
The utility model discloses a multi-rod lead screw nut parallel lifting device, which comprises a front support frame. A rotating shaft is arranged inside the front support frame. Two groups of parallel shafts are hinged on the front support frame. The shafts are respectively connected with the middle support frame and the rear support frame; the shafts on the upper parts of the two groups of connecting shafts are connected with lead screws, and the lead screws are also connected with the front support frame. The device can reinforce the strength of the lead screw, thereby improving the stability of the lead screw nut mechanism and obtaining a larger torque, and the lifting device is easy to control and has good stability.
Description
技术领域technical field
本实用新型属于机械升降技术领域，涉及一种多杆丝杠螺母平行升降装置装置。The utility model belongs to the technical field of mechanical lifting and relates to a multi-rod lead screw nut parallel lifting device.
背景技术Background technique
丝杠螺母机构是将旋转运动转化为直线运动，并能同时进行能量和力传递的传动装置。现有的丝杠螺母机构其自锁性能没有校准，且对丝杠的强度性能是丝杠螺母机构稳定性运行的重要因素。同时现有的基于丝杠螺母的升降装置其传动过程中获取的扭矩较小，结构强度和稳定性不容易控制。The screw nut mechanism is a transmission device that converts rotary motion into linear motion and can transmit energy and force at the same time. The self-locking performance of the existing lead screw and nut mechanism is not calibrated, and the strength performance of the lead screw is an important factor for the stable operation of the lead screw and nut mechanism. At the same time, the torque obtained during the transmission process of the existing lifting device based on the lead screw nut is small, and the structural strength and stability are not easy to control.
实用新型内容Utility model content
本实用新型的目的在于提供一种多杆丝杠螺母平行升降装置装置。该装置能够使丝杠的强度进行加固，从而提高了丝杠螺母机构的稳定性，获得了较大的扭矩，且升降装置易于控制，稳定性好。The purpose of the utility model is to provide a multi-rod lead screw nut parallel lifting device. The device can strengthen the strength of the lead screw, thereby improving the stability of the lead screw nut mechanism and obtaining a larger torque, and the lifting device is easy to control and has good stability.
本实用新型的目的是通过以下技术方案来解决的：The purpose of this utility model is to solve through the following technical solutions:
这种多杆丝杠螺母平行升降装置，包括前支撑架，前支撑架内部设置有旋转轴，前支撑架上铰接有两组互相平行的连轴，两组互相平行的连轴分别与中支撑架和后支撑架连接；两组连轴上部的轴上均连接有丝杠，且丝杠还与前支撑架连接。This multi-rod lead screw nut parallel lifting device includes a front support frame. A rotating shaft is arranged inside the front support frame. Two sets of parallel shafts are hinged on the front support frame. The frame is connected with the rear support frame; the shafts on the upper parts of the two groups of connecting shafts are connected with leading screws, and the leading screws are also connected with the front support frame.
更进一步的，本实用新型的特点还在于：Furthermore, the utility model is characterized in that:
其中两组连轴分别为第一前轴和第二前轴，以及第一后轴和第二后轴。Wherein the two sets of shafts are respectively the first front axle and the second front axle, and the first rear axle and the second rear axle.
其中第一前轴通过第一铰链轴与第一丝杠连接。Wherein the first front shaft is connected with the first leading screw through the first hinge shaft.
其中第一后轴通过第二铰链轴与第二丝杠连接。Wherein the first rear shaft is connected with the second lead screw through the second hinge shaft.
其中两个丝杠均连接在旋转轴上。Two of the lead screws are connected to the rotating shaft.
其中旋转轴与电机连接。Wherein the rotating shaft is connected with the motor.
本实用新型的有益效果是：前支撑架内部设置的旋转轴能够带动前支撑架旋转，丝杠与前支撑架连接，前支撑架在带动丝杠转动时，丝杠能够沿丝杠连接的方向做直线运动，同时带动两个连轴的旋转，从而实现中支撑架、前支撑架和后支撑架的升降。The beneficial effects of the utility model are: the rotating shaft provided inside the front support frame can drive the front support frame to rotate, the lead screw is connected with the front support frame, and when the front support frame drives the lead screw to rotate, the lead screw can follow the direction of the lead screw connection Do linear motion, and at the same time drive the rotation of the two connecting shafts, so as to realize the lifting of the middle support frame, front support frame and rear support frame.
更进一步的，具体公开了两组平行的连轴以及两个丝杠的连接方式。Furthermore, the connection method of two sets of parallel shafts and two lead screws is specifically disclosed.
更进一步的，使用电机实现旋转轴的双向旋转。Furthermore, a motor is used to realize the bidirectional rotation of the rotating shaft.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
其中：1为前支撑架；2为中支撑架；3为后支撑架；4为第一前轴；5为第二前轴；6为第一铰接轴；7为旋转轴；8为第一后轴；9为第二后轴；10为第二铰接轴；11为第二丝杠；12为第一丝杠。Among them: 1 is the front support frame; 2 is the middle support frame; 3 is the rear support frame; 4 is the first front axle; 5 is the second front axle; 6 is the first hinge axis; 7 is the rotation axis; 8 is the first Rear axle; 9 is the second rear axle; 10 is the second hinge shaft; 11 is the second leading screw; 12 is the first leading screw.
具体实施方式detailed description
下面结合附图对本实用新型做进一步详细描述：Below in conjunction with accompanying drawing, the utility model is described in further detail:
本实用新型提供了一种多杆丝杠螺母平行升降装置，如图1所示，包括前支撑架1，前支撑架1内设置有旋转轴7，旋转轴7通过与电机连接实现旋转轴7的双向转动；前支撑架1上以铰接的方式连接有两组互相平行的连轴，其中第一组连轴包括长度相等的第一前轴4和第二前轴5，第一前轴4和第二前轴5的另一端与中支撑架2连接；其中第二组连轴包括长度相等的第一后轴8和第二后轴9，第一后轴8和第二后轴9的另一端与后支撑架3连接；其中第一前轴4上通过第一铰链轴6连接有第一丝杠12，第一后轴8上通过第二铰链10连接有第二丝杠11；第一丝杠12和第二丝杠11均与旋转轴7直接连接。The utility model provides a multi-rod lead screw nut parallel lifting device, as shown in Figure 1, comprising a front support frame 1, a rotating shaft 7 is arranged in the front supporting frame 1, and the rotating shaft 7 is realized by being connected with a motor. Two-way rotation; the front support frame 1 is hingedly connected with two groups of parallel shafts, wherein the first group of shafts includes a first front shaft 4 and a second front shaft 5 with equal lengths, and the first front shaft 4 The other end of the second front axle 5 is connected to the middle support frame 2; wherein the second group of connecting axles includes the first rear axle 8 and the second rear axle 9 with equal lengths, the first rear axle 8 and the second rear axle 9 The other end is connected with the rear support frame 3; wherein the first front axle 4 is connected with the first leading screw 12 through the first hinge shaft 6, and the first rear axle 8 is connected with the second leading screw 11 through the second hinge 10; Both the first lead screw 12 and the second lead screw 11 are directly connected with the rotating shaft 7 .
本实用新型的工作原理是：旋转轴7在电机的带动下实现双向旋转，旋转轴7带动第一丝杠12和第二丝杠11进行圆周转动时，两个丝杠将旋转运动转变为直线运动，同时使丝杠与连轴连接的一端沿连轴进行直线运动，具体的是：第一丝杠12通过第一铰链轴6在第一前轴4上进行直线运动；第二丝杠11通过第二铰链轴10在第一后轴8上进行直线运动。从而第一丝杠12和第二丝杠11能够分别促使与前支撑架1连接的第一前轴4和第一后轴8绕前支撑架1转动，从而实现中支撑架2和后支撑架3的升降。The working principle of the utility model is: the rotating shaft 7 realizes two-way rotation under the drive of the motor, and when the rotating shaft 7 drives the first lead screw 12 and the second lead screw 11 to rotate in a circle, the two lead screws convert the rotary motion into a straight line movement, and at the same time make the end of the lead screw connected with the connecting shaft move linearly along the connecting shaft, specifically: the first lead screw 12 moves linearly on the first front shaft 4 through the first hinge shaft 6; the second lead screw 11 The linear movement takes place on the first rear axle 8 via the second articulation axis 10 . Thereby the first leading screw 12 and the second leading screw 11 can impel the first front axle 4 and the first rear axle 8 that are connected with the front support frame 1 to rotate around the front support frame 1 respectively, thereby realizing middle support frame 2 and rear support frame 3 lifts.
本实用新型可用在牙椅装置上，使用本装置作为牙椅的升降机构，可为牙椅提供平稳的工作速度，有效简化牙椅的结构；将其与平行四杆机构组合，使螺杆的动力端与曲柄一端对接，另一端与机架相连接，可实现两曲柄以相同速度同向转动，并使连杆相对于机架平动，从而带动牙椅椅面实现圆周形升降，其传动过程中，其传动性能平稳，且可获得较大的传动扭矩，机构强度和稳定性易于控制，从而能够降低牙椅的制造成本。The utility model can be used on the dental chair device. Using the device as the lifting mechanism of the dental chair can provide a stable working speed for the dental chair and effectively simplify the structure of the dental chair; combining it with a parallel four-bar mechanism makes the power of the screw One end of the crank is docked with one end, and the other end is connected with the frame, so that the two cranks can rotate at the same speed and in the same direction, and the connecting rod can move in translation relative to the frame, thereby driving the chair surface of the dental chair to realize circular lifting. The transmission process Among them, its transmission performance is stable, and a large transmission torque can be obtained, and the strength and stability of the mechanism are easy to control, so that the manufacturing cost of the dental chair can be reduced.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386475.XU CN206298324U (en) | 2016-12-16 | 2016-12-16 | A kind of many parallel lowering or hoisting gears of bar feed screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386475.XU CN206298324U (en) | 2016-12-16 | 2016-12-16 | A kind of many parallel lowering or hoisting gears of bar feed screw nut |
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| Publication Number | Publication Date |
|---|---|
| CN206298324U true CN206298324U (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386475.XU Expired - Fee Related CN206298324U (en) | 2016-12-16 | 2016-12-16 | A kind of many parallel lowering or hoisting gears of bar feed screw nut |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533059A (en) * | 2020-05-15 | 2020-08-14 | 中铁二十四局集团上海电务电化有限公司 | Railway contact net overhauls operation device |
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2016
- 2016-12-16 CN CN201621386475.XU patent/CN206298324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533059A (en) * | 2020-05-15 | 2020-08-14 | 中铁二十四局集团上海电务电化有限公司 | Railway contact net overhauls operation device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |