CN116215896B - Rotary platform and operation box for online cabinet - Google Patents

Rotary platform and operation box for online cabinet Download PDF

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Publication number
CN116215896B
CN116215896B CN202211719524.7A CN202211719524A CN116215896B CN 116215896 B CN116215896 B CN 116215896B CN 202211719524 A CN202211719524 A CN 202211719524A CN 116215896 B CN116215896 B CN 116215896B
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China
Prior art keywords
base
workbench
rotary platform
assembly flange
outer ring
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CN116215896A (en
Inventor
张璐
王辅辅
许莹
王珂
郭栋才
王金准
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Technology and Engineering Center for Space Utilization of CAS
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Technology and Engineering Center for Space Utilization of CAS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G4/00Tools specially adapted for use in space
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention relates to a rotary platform for an online cabinet and an operation box, wherein the rotary platform for the online cabinet comprises a workbench, a base and a bearing, wherein an assembly flange is arranged in the middle of one side surface of the workbench, the base is sleeved on the outer ring side of the assembly flange and is arranged at intervals with the assembly flange, the bearing is arranged in the interval between the base and the assembly flange, the outer ring side wall of the assembly flange is fixedly connected with the inner ring of the bearing, and the inner ring side wall of the base is fixedly connected with the outer ring of the bearing; a plurality of first thread installation holes are formed in the workbench. According to the rotary platform for the online cabinet, the workbench can be fixed on the bottom wall of the interior of the operation box through the base, then the test load is fixed on the workbench, and the operation of multiple surfaces of the test load can be completed, so that the time for fixing the test load by an astronaut is shortened, and the workload of the astronaut is lightened.

Description

Rotary platform and operation box for online cabinet
Technical Field
The invention relates to the technical field related to space online cabinets, in particular to a rotary platform for an online cabinet and an operation box.
Background
With the development of manned aerospace technology, the creation of a long-term living and working environment in outer space becomes the center of gravity of the human aerospace industry. The logistic supply of the international space station is very expensive and difficult to perform relative to any previous natural exploring activity of human beings, the logistic problem faced by building a base on moon and Mars in the future is more serious, and especially the loss caused by ground guarantee delay can not be measured for dealing with emergency events. Thus, in view of the initiative of astronauts, the ability to enhance autonomous maintenance and support of facilities is an important measure to solve logistical replenishment problems by providing personnel with a range of tools and technical support.
An online maintenance and adjustment operation cabinet (hereinafter referred to as an online cabinet) is a scientific and technical experiment platform for space station application system planning, and mainly provides a workplace for on-orbit fault diagnosis, relay level maintenance and manual or mechanical operation for space station effective load. The on-line cabinet can utilize the space environment conditions in the cabin provided by the manned space station and the on-orbit operation, maintenance and replacement capability of spacecrafts, and on-orbit maintenance and adjustment operation and experimental research are carried out based on the resource constraints of external machines, electricity, heat, information, measurement and control and the like.
The online maintenance operation support unit (hereinafter referred to as an operation box) is a main functional component of an online cabinet system, provides a closed working space with large volume, multiple types of interfaces and controllable environment, and ensures that spacecrafts can directly participate in online operations and scientific experiments requiring manpower. In order to ensure smooth and safe operation and experiment, the operation box needs to be designed into a system with considerable, measurable, replaceable and controllable operation and experiment process. Considerable means that the astronaut can directly observe the operated object and the operation process through the transparent panel of the on-line maintenance operation support unit; the measurable means that the configured auxiliary equipment (such as a three-dimensional scanner, an intelligent induction maintenance unit and the like) is utilized to perform preliminary measurement on the operated object; the replaceable means that the device in the on-line maintenance operation support unit can be replaced and can be freely combined and split according to operation and experiment requirements; the control means that the environment (such as light, temperature, gas and the like) and the fine operation (such as the end precise operation of a smart manipulator and the like) process in the on-line maintenance operation support unit are controllable, and the environment monitoring and the treatment of waste gas and waste particles in the on-line maintenance operation support unit are mainly completed by the three-waste treatment unit.
In the process of participating in manual online operation and scientific experiments, astronauts have the requirement of carrying out operation on a plurality of surfaces of test objects, but at present, an operation box only has one operation window for carrying out online operation and scientific experiments, the operation on the plurality of surfaces needs to turn over the test objects for a plurality of times, and the operation steps are very complicated.
Disclosure of Invention
The invention provides a rotary platform for an online cabinet and an operation box for solving one or more technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the rotary platform for the online cabinet comprises a workbench, a base and a bearing, wherein an assembly flange is arranged in the middle of one side surface of the workbench, the base is sleeved on the outer ring side of the assembly flange and is arranged at intervals with the assembly flange, the bearing is arranged in the interval between the base and the assembly flange, the outer ring side wall of the assembly flange is fixedly connected with the inner ring of the bearing, and the inner ring side wall of the base is fixedly connected with the outer ring of the bearing; a plurality of first thread installation holes are formed in the workbench.
The beneficial effects of the invention are as follows: according to the rotary platform for the online cabinet, the workbench can be fixed on the bottom wall of the interior of the operation box through the base, then the test load is fixed on the workbench, and the operation of multiple surfaces of the test load can be completed, so that the time for fixing the test load by an astronaut is shortened, and the workload of the astronaut is lightened.
On the basis of the technical scheme, the invention can be improved as follows.
Further, a restraint mechanism is included; a gear ring is also fixed on one side surface of the workbench, the gear ring and the assembly flange are coaxially arranged and sleeved on the outer side of the assembly flange, and a plurality of limit teeth which are circumferentially arranged at intervals are arranged on the peripheral side wall of the gear ring; the restraining mechanism is arranged on the side wall of the outer ring of the base and matched with the limiting teeth to limit the workbench.
The beneficial effects of adopting the further scheme are as follows: when one side of the test load is required to be operated, the workbench can be rotated, the surface to be operated of the test load is opposite to the operation port of the operation box, and then the workbench is positioned and restrained through the cooperation of the restraining mechanism and the limiting teeth, so that the workbench is prevented from rotating when the test load is operated.
Further, the constraint mechanism comprises a fixed bracket, a transmission rod and a constraint head, wherein the fixed bracket is fixed on the outer ring side wall of the base, a chute is formed in the fixed bracket, a threaded hole is further formed in the fixed bracket, and the threaded hole is communicated with the chute; the restraint head is arranged in the chute in a sliding way along the axial direction of the threaded hole, the transmission rod is in threaded connection with the threaded hole, and one end of the transmission rod positioned in the chute is movably connected with the restraint head; the constraint head is adaptively limited in a limiting space between two adjacent limiting teeth, or the constraint head end forms a constraint space matched with the limiting teeth.
The beneficial effects of adopting the further scheme are as follows: the driving rod can be rotated to enable the driving rod to push along the threaded hole on the fixed support and push the constraint head to move along the sliding groove on the fixed support, the constraint head can be limited in the limiting space between two adjacent limiting teeth or the constraint space at the end part of the constraint head is matched with the limiting teeth, so that the constraint mechanism can constrain the gear ring, and further the workbench is constrained and locked, and the workbench is prevented from rotating.
Further, one end face of the fixing support is an open structure for enabling the constraint head to extend out of or retract from the sliding groove, the open structure is opposite to the limiting teeth of the gear ring, and an ear plate used for being connected with the base is arranged at the outer side edge of the open structure.
The beneficial effects of adopting the further scheme are as follows: through setting up the otic placode at the outside edge of the open structure of fixed bolster, can utilize the otic placode to be connected with the base, and make the open structure of fixed bolster correspond with the spacing tooth of ring gear, be favorable to the restraint head to stretch out the back from the fixed bolster and directly cooperate with spacing tooth.
Further, a limiting groove is formed in the constraint head, and one end of the transmission rod is movably limited in the limiting groove.
The beneficial effects of adopting the further scheme are as follows: through setting up the spacing inslot, can be with the one end activity spacing of transfer line, when the transfer line is rotatory, can not drive the restraint head rotation, but change the rotary motion of transfer line into axial rectilinear motion, and then promote the restraint head and slide.
Further, the other end of the transmission rod is provided with a handle.
The beneficial effects of adopting the further scheme are as follows: the operation of holding by the astronaut is convenient.
Further, an assembly seat for installing the constraint mechanism is arranged on the outer ring side wall of the base.
The beneficial effects of adopting the further scheme are as follows: through setting up the mount pad, the convenience carries out the adaptation installation with restraint mechanism.
Further, a plurality of mounting lugs are arranged on the outer ring side wall of the base along the circumferential direction of the base.
The beneficial effects of adopting the further scheme are as follows: through setting up the installation tab, conveniently assemble base and workstation through the installation tab.
Further, a plurality of auxiliary mounting holes and a plurality of weight reducing holes or weight reducing grooves are formed in the workbench, and the auxiliary mounting holes are correspondingly arranged with the base.
The beneficial effects of adopting the further scheme are as follows: by arranging the auxiliary mounting holes, the assembly tool can pass through the auxiliary mounting holes and the base can be assembled on the workbench.
The operation box comprises the rotary platform for the online cabinet, a box body and a test load, wherein the rotary platform for the online cabinet and the test load are both arranged in the box body; a plurality of second screw thread mounting holes have been seted up on the diapire medial surface of box, the base deviates from one side of workstation assemble on the diapire of box and through second screw thread mounting hole with diapire fixed connection, test load installs on the another side of workstation and through first screw thread mounting hole and workstation fixed connection.
According to the operation box disclosed by the invention, the rotary platform is arranged on the bottom wall of the box body, so that the test load can be installed and fixed on the workbench, and a plurality of operation surfaces of the test load can be operated through the rotary workbench, so that the operation box is very convenient.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the bottom of a rotary platform for an online cabinet of the present invention;
FIG. 2 is an enlarged schematic view of the portion B in FIG. 1;
FIG. 3 is a schematic side view of the rotary platform for the online cabinet;
FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3;
FIG. 5 is a schematic diagram of a front view of the bottom of the rotary platform for the online cabinet;
FIG. 6 is a schematic cross-sectional view of the structure D-D in FIG. 5;
FIG. 7 is an enlarged schematic view of the portion A in FIG. 6;
fig. 8 is a schematic perspective view of the operation box of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
500. a work table; 501. a base; 502. a bearing; 503. assembling a flange; 504. a first threaded mounting hole; 505. a gear ring; 507. a fixed bracket; 508. a transmission rod; 509. a constraint head; 510. a chute; 512. ear plates; 513. a handle; 514. an assembly seat; 515. mounting lugs; 516. auxiliary mounting holes; 517. a lightening hole;
600. a case; 601. test load; 602. and a second threaded mounting hole.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1 to 7, the rotary platform for an online cabinet of the present embodiment includes a workbench 500, a base 501 and a bearing 502, wherein an assembly flange 503 is disposed in a middle position of one side surface of the workbench 500, the base 501 is sleeved on an outer ring side of the assembly flange 503 and is spaced from the assembly flange 503, a bearing 502 is disposed in a space between the base 501 and the assembly flange 503, an outer ring side wall of the assembly flange 503 is in interference fit connection with an inner ring of the bearing 502, and an inner ring side wall of the base 501 is in interference fit connection with an outer ring of the bearing 502; the workbench 500 is provided with a plurality of first threaded mounting holes 504. Test load 601 may be mounted to table 500 through first threaded mounting hole 504.
As shown in fig. 1 and 5, the table 500 of the present embodiment may take any shape, for example, square, circular, or other polygonal shape. The plurality of first screw mounting holes 504 are uniformly arranged in an array on the table 500.
As shown in fig. 1, 2, 5, 6 and 7, the rotary platform for an online cabinet of the embodiment further includes a constraint mechanism; a gear ring 505 is further fixed on one side surface of the workbench 500, the gear ring 505 and the assembly flange 503 are coaxially arranged and sleeved on the outer side of the assembly flange 503, and a plurality of limit teeth arranged at intervals in the circumferential direction are arranged on the outer side wall of the gear ring 505; the restraining mechanism is mounted on the outer ring side wall of the base 501 and cooperates with the limiting teeth to limit the workbench 500. When one side of the test load needs to be operated, the workbench 500 can be rotated, the surface to be operated of the test load 601 is opposite to the operation port of the operation box 600, and then the workbench is positioned and restrained by the restraint mechanism and the limit teeth, so that the workbench 500 is prevented from rotating when the test load 601 is operated.
As shown in fig. 1, 2, 5, 6 and 7, the restraint mechanism of the present embodiment includes a fixed bracket 507, a transmission rod 508 and a restraint head 509, the fixed bracket 507 is fixed on the outer ring side wall of the base 501, a chute 510 is formed in the fixed bracket 507, a threaded hole is further formed in the fixed bracket 507, and the threaded hole is communicated with the chute 510; the constraint head 509 is slidably arranged in the chute 510 along the axial direction of the threaded hole, the transmission rod 508 is in threaded connection with the threaded hole, and one end of the transmission rod 508 in the chute 510 is movably connected with the constraint head 509; the restraining head 509 is adapted to be limited in a limiting space between two adjacent limiting teeth, or the end part of the restraining head 509 forms a restraining space matched with the limiting teeth. The transmission rod 508 can be rotated, so that the transmission rod 508 is pushed along the threaded hole on the fixed support 507 and pushes the constraint head 509 to move along the sliding groove 510 on the fixed support 507, and the constraint head 509 can be utilized to limit in a limiting space between two adjacent limiting teeth or adapt the constraint space at the end part of the constraint head 509 to the limiting teeth, so that the constraint mechanism constrains the gear ring, further constrains and locks the workbench, and the workbench is prevented from rotating. The workbench of the embodiment can be rotated and locked at any position, so that the test load 601 is ensured to be fixed at one time, and a plurality of operation surfaces of the test load 601 are operated.
As shown in fig. 1, 2, 6 and 7, an end face of one end of the fixing bracket 507 in this embodiment is an open structure for extending or retracting the restraint head 509 from the chute 510, the open structure is arranged opposite to the limit teeth of the gear ring 505, and an ear plate 512 for connecting with the base 501 is disposed at an outer edge of the open structure. Through setting up the otic placode at the outside edge of the open structure of fixed bolster, can utilize the otic placode to be connected with the base, and make the open structure of fixed bolster correspond with the spacing tooth of ring gear, be favorable to the restraint head to stretch out the back from the fixed bolster and directly cooperate with spacing tooth.
As shown in fig. 6 and 7, a limiting groove is provided in the constraint head 509 of the present embodiment, and one end of the transmission rod 508 is movably limited in the limiting groove. Through setting up the spacing inslot, can be with the one end activity spacing of transfer line, when the transfer line is rotatory, can not drive the restraint head rotation, but change the rotary motion of transfer line into axial rectilinear motion, and then promote the restraint head and slide.
As shown in fig. 1, 2, 5 and 6, a handle 513 is disposed at the other end of the transmission rod 508 in this embodiment, so as to facilitate the operation of holding by an astronaut.
As shown in fig. 1 to 3 and fig. 5, an assembly seat 514 for mounting a restraint mechanism is provided on the outer ring side wall of the base 501 in the present embodiment. Through setting up the mount pad, the convenience carries out the adaptation installation with restraint mechanism. Specifically, the number of the assembling seats 514 may be plural, and the restraint mechanism may be mounted on any one of the assembling seats 514 according to need.
As shown in fig. 1 to 3 and fig. 5, the outer ring side wall of the base 501 in this embodiment is provided with a plurality of mounting lugs 515 circumferentially arranged along the base 501. The number of the mounting lugs can be set arbitrarily as required, and the mounting lugs are arranged to facilitate the assembly of the base and the workbench.
As shown in fig. 1 and 5, the workbench 500 of the present embodiment is provided with a plurality of auxiliary mounting holes 516 and a plurality of weight-reducing holes 517 or weight-reducing grooves, and the plurality of auxiliary mounting holes 516 are arranged corresponding to the base 501. Through setting up supplementary mounting hole, be favorable to passing supplementary mounting hole with assembly tools such as spanner and assemble the base on the workstation. The weight reduction groove can play a role in weight reduction treatment on the whole equipment.
Specifically, as shown in fig. 1, a plurality of mounting lugs 515 may be arranged in one-to-one correspondence with a plurality of auxiliary mounting holes 516, so that the corresponding mounting lugs 515 are conveniently operated through each auxiliary mounting hole 516 and fixed on the bottom wall of the operation box.
Specifically, as shown in fig. 1, four mounting lugs 515 are provided on the base 501 in the present embodiment, and correspondingly, four auxiliary mounting holes 516 may be provided on the workbench 500. For convenience of operation, the auxiliary mounting holes 516 may be provided in a circular arc structure.
The rotary platform for the online cabinet of the embodiment is characterized in that the base is sleeved with the assembly flange, the gear ring is sleeved with the assembly flange, and the whole structure adopts a flattened design, so that the height space in the operation box can be occupied as small as possible. The base and the workbench are restrained together through the bearing, and the workbench is enabled to rotate when the base is fixed on the workbench; meanwhile, the restraint mechanism is fixed on the base, and the workbench is restrained at the position after rotating to the proper position.
The rotary platform for the online cabinet can fix the workbench on the bottom wall inside the operation box through the base, then fix the test load on the workbench, and can finish the operation of multiple surfaces of the test load, so that the time for fixing the test load by the astronaut is reduced, and the workload of the astronaut is lightened.
Example 2
As shown in fig. 8, an operation box of the present embodiment includes the above-mentioned rotary platform for an online cabinet, and further includes a box body 600 and a test load 601, where the rotary platform for an online cabinet and the test load 601 are both installed in the box body 600; a plurality of second threaded mounting holes 602 are formed in the inner side surface of the bottom wall of the box body 600, one side of the base 501, which is away from the workbench 500, is assembled on the bottom wall of the box body 600 and passes through the second threaded mounting holes 602 to be fixedly connected with the bottom wall through loosening-preventing screws, and the test load 601 is mounted on the other side surface of the workbench 500 and passes through the first threaded mounting holes 504 to be fixedly connected with the workbench 500 through loosening-preventing screws.
The second threaded mounting hole 602 in this embodiment has the same specifications and arrangement as the first threaded mounting hole 504, so that the universal mounting of the test load 601 is facilitated.
When the operation box of this embodiment is in use, place rotary platform on the diapire in the box, at this moment, restraint mechanism's handle is placed in easy operating region to with the pine on the installation tab do not take off the screw alignment workstation on first screw thread mounting hole, the spanner passes the auxiliary mounting hole of workstation, fixes rotary platform's base on the workstation of operation box. The table is rotated to the proper position and the handle of the drive rod is tightened, at which point the table is locked in the fixed position. And then placing and fixing the test load on a workbench, and then carrying out maintenance adjustment or test operation of the test load. If other areas need to be operated, the handle is loosened, the workbench is rotated to a proper position, the handle is screwed again, and maintenance adjustment or test operation is continuously carried out.
The operation box of this embodiment through set up rotary platform on the diapire of box, has realized the design of dexterity in the narrow and small space, can install test load and fix on the workstation, through rotary workbench, can operate a plurality of operation faces of test load, and is very convenient.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (6)

1. The rotary platform for the online cabinet is characterized by comprising a workbench, a base, a bearing and a constraint mechanism, wherein an assembly flange is arranged in the middle of one side surface of the workbench, the base is sleeved on the outer ring side of the assembly flange and is arranged at intervals with the assembly flange, the bearing is arranged in the interval between the base and the assembly flange, the outer ring side wall of the assembly flange is fixedly connected with the inner ring of the bearing, and the inner ring side wall of the base is fixedly connected with the outer ring of the bearing; a plurality of first thread mounting holes are formed in the workbench;
a gear ring is also fixed on one side surface of the workbench, the gear ring and the assembly flange are coaxially arranged and sleeved on the outer side of the assembly flange, and a plurality of limit teeth which are circumferentially arranged at intervals are arranged on the peripheral side wall of the gear ring; the constraint mechanism is arranged on the side wall of the outer ring of the base and matched with the limiting teeth to limit the workbench;
the restraining mechanism comprises a fixed bracket, a transmission rod and a restraining head, wherein the fixed bracket is fixed on the side wall of the outer ring of the base, a chute is formed in the fixed bracket, a threaded hole is further formed in the fixed bracket, and the threaded hole is communicated with the chute; the restraint head is arranged in the chute in a sliding way along the axial direction of the threaded hole, the transmission rod is in threaded connection with the threaded hole, and one end of the transmission rod positioned in the chute is movably connected with the restraint head; the constraint head is adaptively limited in a limiting space between two adjacent limiting teeth, or the constraint head end forms a constraint space matched with the limiting teeth;
the end face of one end of the fixed support is an open structure for the constraint head to extend or retract from the chute, the open structure is opposite to the limiting teeth of the gear ring, and the outer side edge of the open structure is provided with an ear plate for connecting with the base;
the restraint head is internally provided with a limit groove, and one end of the transmission rod is movably limited in the limit groove.
2. The rotary platform for an online cabinet according to claim 1, wherein a handle is arranged at the other end of the transmission rod.
3. The rotary platform for an online cabinet according to claim 1 or 2, wherein an assembly seat for installing a restraint mechanism is arranged on the outer ring side wall of the base.
4. The rotary platform for an online cabinet according to claim 1 or 2, wherein a plurality of mounting lugs are arranged on the outer ring side wall of the base along the circumferential direction of the base.
5. The rotary platform for the online cabinet according to claim 1 or 2, wherein a plurality of auxiliary mounting holes and a plurality of weight reducing holes or weight reducing grooves are formed in the workbench, and the plurality of auxiliary mounting holes are arranged corresponding to the base.
6. An operation box, which is characterized by comprising the rotary platform for the online cabinet according to any one of claims 1 to 5, a box body and a test load, wherein the rotary platform for the online cabinet and the test load are both arranged in the box body; a plurality of second screw thread mounting holes have been seted up on the diapire medial surface of box, the base deviates from one side of workstation assemble on the diapire of box and through second screw thread mounting hole with diapire fixed connection, test load installs on the another side of workstation and through first screw thread mounting hole and workstation fixed connection.
CN202211719524.7A 2022-12-30 2022-12-30 Rotary platform and operation box for online cabinet Active CN116215896B (en)

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