CN213387586U

CN213387586U - Lifting device

Info

Publication number: CN213387586U
Application number: CN202022289525.5U
Authority: CN
Inventors: 叶步兴; 陈辉灿; 林文杰; 郑镭; 张珑; 韦小梅
Original assignee: Jianyan Detection Group Co ltd; Jianyan Testing Group Shenzhen Co ltd
Current assignee: Jianyan Detection Group Co ltd; Jianyan Testing Group Shenzhen Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-08
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a pair of lifting device includes the workstation, set up in fixed subassembly and elevating system on the workstation, fixed subassembly is used for bearing test element, and elevating system is used for driving the relative workstation of fixed subassembly and goes up and down along the first direction to remove test element to predetermineeing high position, in order to satisfy test element and carry out the high demand of testing, so set up, can be well with the test element that has the big and heavy problem of quality of size remove required height when testing, ensure that test element can not appear the deviation in the test procedure, and is convenient nimble.

Description

Lifting device

Technical Field

The utility model relates to a radar wave noise immunity test field, in particular to elevating gear.

Background

The antenna is an important test element in radar wave immunity test, and the antenna used for the test needs to meet the following requirements: the center of the antenna, with frequencies above 1GHz, should be placed 1000mm and 1050mm from the ground, respectively, and any part of the antenna should be no less than 250mm from the ground.

The existing antenna for radar wave immunity test mostly has the problems of large size and heavy weight, so that the antenna is inconvenient to arrange by using the traditional supporting device, the antenna cannot be well moved to the required height during test, deviation occurs in the test process of radar wave immunity easily, and the test result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a lifting device capable of accurately moving a test element to a height required for testing.

A lifting device includes:

a work table;

the fixing assembly is arranged on the workbench and used for bearing a test element; and

and the lifting mechanism is arranged on the workbench and used for driving the fixing component to lift relative to the workbench along a first direction so as to move the test element to a preset height position.

Preferably, the lifting mechanism includes a supporting member, a moving member and a driving assembly, the supporting member is disposed on the workbench, the moving member is connected to the supporting member, the moving member can lift along the first direction relative to the supporting member, the fixing assembly is connected to the moving member, the driving assembly is connected to the moving member, and the driving assembly is configured to drive the moving member to lift along the first direction relative to the supporting member.

Preferably, the driving assembly comprises a first sliding wheel and a traction rope, the first sliding wheel is arranged on the moving member, a first end of the traction rope is connected with the supporting member, a second end of the traction rope bypasses the first sliding wheel and extends out of the first sliding wheel, the second end of the traction rope is pulled, and the moving member can be driven by the first sliding wheel to lift along a first direction relative to the supporting member.

Preferably, the driving assembly further comprises a second sliding wheel, the second sliding wheel is arranged on the supporting member, the second end of the traction rope sequentially bypasses the first sliding wheel and the second sliding wheel and extends out of the second sliding wheel, the second end of the traction rope is pulled, and the moving member can be driven by the first sliding wheel and the second sliding wheel to lift along the first direction relative to the supporting member.

Preferably, the drive assembly further comprises a rotating part, the rotating part is arranged on one side of the supporting part, the second end of the traction rope sequentially bypasses the first sliding wheel and the second sliding wheel and is connected with the rotating part, the rotating part can rotate around the axial direction of the rotating part to retract the second end of the traction rope, and therefore the moving part is driven to move relative to the supporting part along the first direction.

Preferably, the fixing assembly comprises a bearing part, the bearing part is connected with the moving part, the bearing part is used for bearing the test element, and the bearing part can rotate relative to the moving part so as to adjust the arrangement angle of the bearing part.

Preferably, the fixing assembly further includes a first fixing member and a first fastening member, the supporting member is connected to the moving member through the first fixing member, the supporting member is capable of rotating relative to the first fixing member, and the first fastening member is capable of sequentially passing through the first fixing member and the supporting member, so as to fix the supporting member after the angle adjustment to the first fixing member.

Preferably, the fixing assembly further comprises a plurality of second fixing parts for limiting the movement of the bearing part in the first direction and the second direction, and the plurality of second fixing parts are respectively arranged on the side walls of the moving part.

Preferably, the bearing part is provided with a mounting groove for mounting the test element.

Preferably, the lifting device further comprises a sliding part, the sliding part is arranged at the bottom of the workbench, and the sliding part is used for driving the workbench to move.

The utility model discloses technical scheme's beneficial effect: be different from prior art, the utility model provides a pair of lifting device includes the workstation, set up in fixed subassembly and elevating system on the workstation, fixed subassembly is used for bearing test element, and elevating system is used for driving the relative workstation of fixed subassembly and goes up and down along the first direction to remove test element to predetermineeing high position, carry out the high demand that tests with satisfying test element. So set up, can be well with the test element who has the big and heavy problem of quality of size remove required height when testing, ensure that test element can not appear the deviation in test process, convenient nimble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a front view of a lifting device of the present invention;

fig. 2 is a right side view of the lifting device of the present invention.

The automatic lifting device comprises a workbench 1, a sliding part 11, a fixing component 2, a bearing part 21, a mounting groove 211, a mounting hole 212, a fixing hole 22, a first fixing part 23, a first fastening part 24, a second fixing part 3, a lifting mechanism 31, a supporting part 311, a first supporting part 312, a second supporting part 32, a moving part 33, a driving component 331, a traction rope 3311, a first end 3312, a second end 332, a first sliding wheel 333, a second sliding wheel 334 and a rotating part 334.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

A specific structure of the lifting device will be mainly described below.

Referring to fig. 1, the lifting device of a preferred embodiment of the present invention includes a working platform 1, a fixing component 2 and a lifting mechanism 3, the fixing component 2 is disposed on the working platform 1, the fixing component 2 is used for bearing a testing component, the lifting mechanism 3 is disposed on the working platform 1, and the lifting mechanism 3 is used for driving the fixing component 2 to lift along a first direction relative to the working platform 1, so as to move the testing component to a predetermined height position, thereby satisfying the height requirement for testing the testing component. So set up, can be well with the test element who has the big and heavy problem of quality of size remove required height when testing, ensure that test element can not appear the deviation in test process, convenient nimble.

Further, in the present embodiment, the test element is a test antenna for radar wave immunity test.

Further, in this embodiment, the first direction is defined as a Y-axis direction, the second direction is defined as an X-axis direction, and the first direction and the second direction are perpendicular to each other.

Further, in the present embodiment, the fixing member 2 is raised and lowered in the Y-axis direction with respect to the table 1.

In an embodiment, referring to fig. 1, the lifting mechanism 3 includes a supporting member 31, a moving member 32 and a driving assembly 33, the supporting member 31 is disposed on the workbench 1, the moving member 32 is connected to the supporting member 31, the moving member 32 can lift along a first direction relative to the supporting member 31, the fixing assembly 2 is connected to the moving member 32, the driving assembly 33 is connected to the moving member 32, and the driving assembly 33 is used for driving the moving member 32 to lift along the first direction relative to the supporting member 31.

Further, in the present embodiment, the moving member 32 is raised and lowered in the Y-axis direction with respect to the support member 31.

Further, in the present embodiment, the moving member 32 is provided inside the support member 31, and is slidably engaged with the support member 31. More specifically, in the present embodiment, the height of the supporting member 31 in the first direction is greater than the height of the preset height position to ensure that the testing element can move to the preset height position along the first direction, and the length of the supporting member 31 in the second direction is matched with the length of the moving member 32 in the second direction to ensure the stability of the sliding fit between the moving member 32 and the supporting member 31.

Further, in the present embodiment, the support 31 is made of a metal material.

Further, in the present embodiment, referring to fig. 1 and fig. 2, the supporting member 31 includes a first supporting portion 311 and a second supporting portion 312, the first supporting portion 311 is disposed on the workbench 1, the first supporting portion 311 is in a triangular frame shape to improve the stability of the supporting member 31, the second supporting portion 312 is connected to the first supporting portion 311, and the moving member 32 is disposed in the second supporting portion 312 and is in sliding fit with the second supporting portion 312.

In an embodiment, referring to fig. 1, the lifting mechanism 3 further includes a pulling rope 331 and a first sliding wheel 332, the first sliding wheel 332 is disposed on the moving member 32, a first end 3311 of the pulling rope 331 is connected to the support 31, a second end 3312 of the pulling rope 331 passes around the first sliding wheel 332 and extends out of the first sliding wheel 332, and the second end 3312 of the pulling rope 331 is pulled, so that the first sliding wheel 332 can drive the moving member 32 to lift along a first direction relative to the support 31, thereby moving the testing component to a predetermined height position, and more specifically, the first sliding wheel 332 disposed on the moving member 32 can lift along the first direction relative to the support 31 along with the moving member 32, so that the first sliding wheel 332 is a movable pulley structure, which can effectively reduce an acting force applied to the pulling rope 331 when a user performs a pulling operation of the pulling rope 331.

In an embodiment, referring to fig. 1, the lifting mechanism 3 further includes a second sliding wheel 333, the second sliding wheel 333 is disposed on the supporting member 31, the second end 3312 of the pulling rope 331 sequentially goes around the first sliding wheel 332 and the second sliding wheel 333 and extends out of the second sliding wheel 333, and the second end 3312 of the pulling rope 331 is pulled to drive the moving member 32 to lift along the first direction relative to the supporting member 31 through the first sliding wheel 332 and the second sliding wheel 333, so as to move the testing component to the predetermined height position. More specifically, the position of the second sliding wheel 333 disposed on the support 31 is fixed, the second sliding wheel 333 is a fixed pulley structure, and the force direction of the pulling rope 331 can be changed through the second sliding wheel 333, so that the user can conveniently perform the pulling operation of the pulling rope 331.

Further, in this embodiment, each of the first sliding wheels 332 and the second sliding wheels 333 includes a plurality of first sliding wheels 332 disposed on the moving member 32 at intervals, the plurality of second sliding wheels 333 disposed on the supporting member 31 at intervals, and the second end 3312 of the pulling rope 331 sequentially passes around each of the first sliding wheels 332 and each of the second sliding wheels 333 at intervals and extends out of the second sliding wheel 333 that passes around last.

In an embodiment, referring to fig. 1, the lifting mechanism 3 further includes a rotating member 334, the rotating member 334 is disposed at one side of the supporting member 31, the second end 3312 of the pulling rope 331 sequentially passes through the first sliding wheel 332 and the second sliding wheel 333 and is connected to the rotating member 334, and the rotating member 334 can rotate around its own axial direction to receive and release the pulling rope 331, so as to adjust the length of the second end 3312 of the pulling rope 331, thereby driving the moving member 32 to lift along the first direction relative to the supporting member 31.

Further, in this embodiment, the lifting mechanism 3 further includes a locking member (not shown in the figure) for fixing the moving member 32 moving to the predetermined height position, and when the rotating member 334 is rotated, the pulling rope 331 retracts and retracts to drive the moving member 32 to move along the first direction relative to the supporting member 31, so as to move the testing element to the predetermined height position, and then the moving member 32 is fixed by the locking member, that is, the testing element is fixed at the predetermined height position, so as to perform the test.

In an embodiment, referring to fig. 1, the fixing assembly 2 includes a supporting member 21, the supporting member 21 is connected to the moving member 32, the supporting member 21 is used for supporting the testing element, and the supporting member 21 can rotate relative to the moving member 32 to adjust the arrangement angle of the supporting member 21, so that the testing element can be tested at different angles. More specifically, in the present embodiment, the carrier 21 is provided inside the moving member 32.

Further, in the present embodiment, the carrier 21 has a circular shape to facilitate the rotation of the carrier 21.

In an embodiment, referring to fig. 1, the fixing assembly 2 further includes a first fixing part 22 and a first fastening part 23, the first fixing part 22 is disposed on a sidewall of the moving part 32, the supporting part 21 is connected to the moving part 32 through the first fixing part 22, the supporting part 21 can rotate relative to the first fixing part 22, and the first fastening part 23 can sequentially pass through the first fixing part 22 and the supporting part 21, so as to fix the angularly adjusted supporting part 21 on the first fixing part 22.

More specifically, in the present embodiment, the first fastener 23 fixes the angularly adjusted carrier 21 to the first fixing member 22, and makes the carrier 21 perpendicular to the horizontal plane.

Further, in the present embodiment, the first fixing member 22 includes two opposite side walls, the carrier 21 is rotatably disposed between the two opposite side walls of the first fixing member 22, and the first fastening member 23 can sequentially pass through the two side walls of the first fixing member 22 and the carrier 21, so as to fix the angularly adjusted carrier 21 on the first fixing member 22. More specifically, in the present embodiment, the first fixing member 22 may be, but is not limited to, a baffle.

Further, in this embodiment, the first fixing parts 22 and the first fastening parts 23 each include a plurality of first fixing parts 22 respectively disposed around the moving part 32, and the plurality of first fixing parts 22 and the plurality of first fastening parts 23 are in one-to-one correspondence, so that stability of fixing the angularly adjusted bearing part 21 on the first fixing parts 22 is improved. More specifically, in the present embodiment, the first fastening member 23 may be, but is not limited to, a slotting.

In one embodiment, the first fixing member 22 is provided with a sliding slot for facilitating the rotation of the carrier 21.

Further, in the present embodiment, the fixing assembly 2 further includes a plurality of second fixing parts 24 for limiting the movement of the carrying part 21 in the first direction and the second direction, the plurality of second fixing parts 24 are respectively disposed on four side walls of the moving part 32, one end of each second fixing part 24 is connected to the moving part 32, the other end of each second fixing part 24 is connected to the carrying part 21, and the carrying part 21 can rotate relative to each second fixing part 24. More specifically, in the present embodiment, a fourth sliding wheel that facilitates rotation of the carrier 21 is disposed at one end of each second fixing member 24 close to the carrier 21, and the carrier 21 is rotatably disposed between two sliding walls of the second fixing member 24 that are oppositely disposed to limit the movement of the carrier 21 in the first direction and the second direction.

In one embodiment, referring to fig. 1, the supporting member 21 is provided with a mounting groove 211 for mounting a testing element. More specifically, in this embodiment, a plurality of fixing holes 212 for fixing the test element are disposed around the mounting groove 211, the lifting device further includes a plurality of second fastening members, the plurality of second fastening members correspond to the plurality of fixing holes 212 one-to-one, and each first fastening member is matched with each fixing hole 212 to fixedly mount the test element in the mounting groove 211. More specifically, the mounting slot 211 has a dimension that is greater than the maximum radial cross-sectional dimension of the test element so that the test element can pass through the mounting slot 211 for testing.

Further, in the present embodiment, the mounting groove 211 has a rectangular shape. More specifically, when the carrier 21 rotates relative to the moving part 32 to adjust the tilt angle of the carrier 21, if the long edge of the mounting groove 211 is parallel to the horizontal plane, the test element is tested in the horizontal polarization direction; if the long limit of mounting groove 211 is perpendicular to the horizontal plane, be test element at this moment for test element at vertical polarization orientation go on testing, so set up, when the test element of needs carry out different polarization orientation's test, only need to adjust the angle of putting of bearing part 21, then fix bearing part 21 after the angle modulation on first mounting 22, convenient nimble.

In an embodiment, referring to fig. 1, the lifting device further includes a sliding member 11, the sliding member 11 is disposed at the bottom of the working platform 1, and the sliding member 11 is configured to drive the working platform 1 to move, so that the lifting device can move to a position required by a test.

Specifically, the sliding member 11 may be, but is not limited to, a rotating wheel, and the rotating wheel can drive the workbench 1 to move, and the rotating wheel can reduce the friction force between the workbench 1 and the ground, so as to improve the moving efficiency of the workbench 1. More specifically, the sliding member 11 may be, but is not limited to, a universal wheel that can change the direction in which the table 1 moves, so that the table 1 moves in different directions.

Further, the number of the sliders 11 may be four, and four sliders 11 are respectively disposed at four corners of the bottom of the table 1.

The working mode of the lifting device is as follows: referring to fig. 1 and 2, the lifting device is first moved to a predetermined position by a sliding member 11 disposed at the bottom of the working platform 1 and fixed; the testing element is arranged in the mounting groove 211 of the bearing part 21 and is fixed in the mounting groove 211 through the cooperation of a second fastener and a fixing hole 212 arranged around the mounting groove 211, then the rotating part 334 is rotated to retract and release the traction rope 331, and the length of the second end 3312 of the traction rope 331 is adjusted, so that the moving part 32 is driven to lift along the first direction relative to the 31 supporting part, the testing element is moved to a preset height position, the moving part 32 is fixed through the locking part, namely the testing element is fixed at the preset height position, and the testing is convenient to test; when the carrier 21 rotates relative to the moving part 32 to adjust the arrangement angle of the carrier 21, if the long edge of the mounting groove 211 is parallel to the horizontal plane, the test element is tested in the horizontal polarization direction; if the long edge of the mounting groove 211 is perpendicular to the horizontal plane, the test element is tested in the vertical polarization direction, and thus, when the test element is required to be tested in different polarization directions, only the arrangement angle of the bearing part 21 needs to be adjusted, and then the bearing part 21 with the adjusted angle is fixed on the first fixing part 22, which is convenient and flexible; after the test is finished, the lifting device can be moved to a non-experimental area. The lifting device can well move the test element with the problems of large size and heavy mass to the required height position during testing, so that the test element is ensured not to have deviation in the testing process, and the lifting device is high in flexibility and strong in adaptability.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A lifting device, comprising:

a work table;

2. The lifting device as claimed in claim 1, wherein the lifting mechanism comprises a supporting member, a moving member and a driving assembly, the supporting member is disposed on the working table, the moving member is connected to the supporting member, and the moving member can be lifted and lowered in the first direction relative to the supporting member, the fixing assembly is connected to the moving member, the driving assembly is connected to the moving member, and the driving assembly is configured to drive the moving member to lift and lower in the first direction relative to the supporting member.

3. The lifting device as claimed in claim 2, wherein the driving assembly comprises a first pulley and a pulling rope, the first pulley is disposed on the movable member, a first end of the pulling rope is connected to the supporting member, a second end of the pulling rope passes around the first pulley and extends out of the first pulley, and the second end of the pulling rope is pulled to move the movable member up and down relative to the supporting member along the first direction via the first pulley.

4. The lifting device as claimed in claim 3, wherein the driving assembly further comprises a second pulley disposed on the support member, and the second end of the pulling rope sequentially passes around the first pulley and the second pulley and extends out of the second pulley, and the second end of the pulling rope is pulled to drive the moving member to lift and lower in the first direction relative to the support member via the first pulley and the second pulley.

5. The lifting device as claimed in claim 4, wherein the driving assembly further comprises a rotating member disposed at one side of the supporting member, the second end of the traction rope sequentially passes through the first pulley and the second pulley and is connected to the rotating member, and the rotating member is capable of rotating around its own axial direction to retract the second end of the traction rope, so as to drive the moving member to lift in the first direction relative to the supporting member.

6. The lifting device as claimed in claim 2, characterized in that the fixing assembly comprises a carrier part, which is connected to the moving part and is used for carrying the test element and can be rotated relative to the moving part for adjusting the setting angle of the carrier part.

7. The lifting device as claimed in claim 6, wherein the fixing assembly further comprises a first fixing member and a first fastening member, the supporting member is connected to the moving member via the first fixing member and can rotate relative to the first fixing member, and the first fastening member can sequentially pass through the first fixing member and the supporting member to fix the angularly adjusted supporting member to the first fixing member.

8. The lifting device as claimed in claim 7, wherein the fixing assembly further comprises a plurality of second fixing members for restricting the movement of the carrier member in the first and second directions, the plurality of second fixing members being respectively provided on sidewalls of the moving member.

9. Lifting device as claimed in claim 6, characterized in that the carrier is provided with a mounting slot for mounting the test element.

10. The lifting device as claimed in claim 1, further comprising a sliding member disposed at the bottom of the working platform, wherein the sliding member is used for driving the working platform to move.