CN211927278U

CN211927278U - Rope protection device applied to swing experiment table

Info

Publication number: CN211927278U
Application number: CN202020428758.6U
Authority: CN
Inventors: 杨期江; 尧治宇; 滕宪斌; 何逸华; 张志斌; 魏安; 梁仲明; 何煜旻; 王明峰
Original assignee: Guangzhou Maritime University
Current assignee: Guangzhou Maritime University
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-13
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a test technical field is swayd in the slope, especially relates to a be applied to rope protection device who sways laboratory bench. The flexible traction mechanism comprises a gantry support and a flexible traction mechanism which is assembled on the gantry support in a sliding mode, wherein the flexible traction mechanism comprises a traction rope and rotating assembly structures which are arranged at two ends of the traction rope, the rotating assembly structures are used for being assembled with a movable platform in a rotating mode, a length adjusting structure is further arranged between each rotating assembly structure and the traction rope, and the length adjusting structure is used for adjusting the overall length of the flexible traction mechanism so as to achieve adjustment of the tightness of the flexible traction mechanism. Through adopting the utility model discloses a rope protection device, when moving the pneumatic cylinder of platform below and becoming invalid suddenly, flexible drive mechanism can draw and drag the platform that moves of preparing the whereabouts to will move the platform and keep at corresponding high position, avoided moving the whereabouts of platform, eliminated latent potential safety hazard, promoted the security of swaing the test.

Description

Rope protection device applied to swing experiment table

Technical Field

The utility model relates to a test technical field is swayd in the slope, especially relates to a be applied to rope protection device who sways laboratory bench.

Background

The swing experiment table is a large-scale simulation test device, and since vehicles such as ships, vehicles and naval vessels often encounter complex motion forms such as longitudinal swing and transverse swing in the actual operation process, in order to fully know fatigue resistance, structural strength and the like of the vehicles under the complex working conditions, the vehicles need to be subjected to oblique swing tests before leaving a factory. The existing inclination swing test is mainly realized by adopting a swing experiment table, the swing experiment table mainly comprises a movable platform and a plurality of hydraulic cylinders arranged below the movable platform, and the adjustment of each inclination angle of the movable platform is realized by adjusting the telescopic amount of each hydraulic cylinder. Because each pneumatic cylinder need support in the experimentation and move the platform, move the heavy object such as vehicle on the platform, there is sudden failure's hidden danger in each pneumatic cylinder in long-term use, when the hidden danger takes place, move the platform and can directly drop and pound the equipment of bottom bad, this is unfavorable for the safe handling who sways the laboratory bench, has increased the safe risk of swaying the laboratory bench.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to rope protection device who sways laboratory bench for there is the potential safety hazard that drops in the movable platform that solves among the prior art and sway the laboratory bench, be unfavorable for swaying the technical problem of laboratory bench safe handling.

In order to achieve the above object, the utility model provides a be applied to rope protection device who sways laboratory bench adopts following technical scheme:

the rope protection device applied to the swing experiment table comprises a gantry support and a flexible traction mechanism assembled on the gantry support in a sliding mode, wherein the flexible traction mechanism comprises a traction rope and rotating assembly structures arranged at two ends of the traction rope, the rotating assembly structures are used for being assembled with a movable platform in a rotating mode, length adjusting structures are further arranged between each rotating assembly structure and the traction rope, and the length adjusting structures are used for adjusting the whole length of the flexible traction mechanism to achieve adjustment of the tightness of the flexible traction mechanism.

Furthermore, the gantry support comprises a support beam and support stand columns fixedly supported at two ends of the support beam, and the flexible traction mechanism comprises a transverse traction mechanism arranged in parallel with the support beam and a longitudinal traction mechanism arranged perpendicular to the support beam.

Furthermore, each support upright post is provided with a through hole for the transverse traction mechanism to pass through.

Further, the stand column of the bracket is a triangular frame, and an inner through hole of the triangular frame forms the through hole.

Further, the rotation fitting structure includes a rotation shaft and a bearing provided on a rotation outer peripheral side.

Further, the length adjusting structure comprises a threaded sleeve and a threaded column which is in threaded fit with the threaded sleeve, and the length adjusting structure realizes length adjustment through the threaded column and the threaded sleeve in a spiral sliding mode.

Furthermore, the length adjusting structure and the traction rope, and the length adjusting structure and the rotating assembly structure are connected through hanging rings or hooks.

Furthermore, a roller structure is arranged on the gantry support and comprises a sliding roller for hanging a traction rope.

Further, the sliding roller is a concave wheel.

Furthermore, the roller structure also comprises a limiting cover which covers the outer peripheral side of the sliding roller so as to prevent the traction rope from being separated from the sliding roller.

The embodiment of the utility model provides a be applied to rope protection device who sways laboratory bench compares with prior art, and its beneficial effect lies in: through adopting the utility model discloses a be applied to rope protection device who sways laboratory bench, at first in the use with flexible drive mechanism's both ends respectively with move the platform and be connected fixedly, because flexible drive mechanism can be flexible buckle and for portal frame be gliding by oneself, when moving the platform and sway and rock like this, flexible drive mechanism can slide along with rocking of moving the platform, has avoided flexible drive mechanism to the influence of swaing the test. When the hydraulic cylinder below the movable platform fails suddenly, the flexible traction mechanism can drag the movable platform to be dropped, so that the movable platform is kept at a corresponding height position, the dropping of the movable platform is avoided, potential safety hazards are eliminated, and the safety of swing testing is improved.

Drawings

Fig. 1 is a schematic view of a rope protection device applied to a swing test bench according to an embodiment of the present invention in a use state;

fig. 2 is a schematic overall structure diagram of a rope protection device applied to a swing experiment table according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of the overall structure of the rope protection device applied to the swing experiment table according to the embodiment of the present invention;

fig. 4 is a schematic overall structure diagram of a rotating assembly structure of the rope protection device applied to the swing experiment table according to the embodiment of the present invention;

fig. 5 is a schematic view of the overall structure of the length adjustment structure of the rope protection device applied to the swing experiment table according to the embodiment of the present invention.

In the figure, 1-gantry support, 101-support upright column, 102-through hole, 103-support crossbeam, 2-movable platform, 3-flexible traction mechanism, 301-transverse traction mechanism, 302-longitudinal traction mechanism, 303-roller structure, 304-sliding roller, 305-limit cover, 306-length adjusting structure, 307-rotating assembly structure, 308-rotating shaft, 309-bearing, 310-end cover, 311-hanging ring, 312-threaded sleeve and 313-threaded column.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, a rope protection device (hereinafter referred to as a rope protection device) applied to a swing test bench according to a preferred embodiment of the present invention is disclosed. The rope protection device comprises a gantry support 1 and a flexible traction mechanism 3 assembled on the gantry support 1 in a sliding mode, the flexible traction mechanism 3 comprises a traction rope and rotating assembly structures 307 arranged at two ends of the traction rope, the rotating assembly structures 307 are used for being assembled with the movable platform 2 in a rotating mode, length adjusting structures 306 are further arranged between the rotating assembly structures 307 and the traction rope, and the length adjusting structures 306 are used for adjusting the overall length of the flexible traction mechanism 3 to achieve adjustment of the tightness of the flexible traction mechanism 3.

Specifically, sway the laboratory bench in this embodiment and include the base, set up four pneumatic cylinders on the base, set up the platform 2 that moves at four pneumatic cylinder tops, four pneumatic cylinders set up respectively in four corner positions that move platform 2, the both ends of each pneumatic cylinder respectively with move platform 2 and base ball pivot and be connected, when the inclination that moves platform 2 was adjusted to needs, through the flexible volume of adjusting each pneumatic cylinder can. Since the movable platform 2 is not a protection focus of the present embodiment, the swing structure and principle of the movable platform 2 are not described in detail in the present embodiment.

The gantry support 1 in this embodiment includes two support columns 101 disposed opposite to each other and a support beam 103 crossing between the two support columns 101. In this embodiment, the support cross beam 103 is i-steel, the two support columns 101 are triangular frames, each support column 101 is formed by welding rectangular steel, and each support column comprises an outer frame in an isosceles triangular pattern and a plurality of inner supports welded in the outer frame. In this embodiment, two flexible traction mechanisms 3 are provided, and the two flexible traction mechanisms 3 can be divided into a transverse traction mechanism 301 and a longitudinal traction mechanism 302 according to the extension direction, where the transverse traction mechanism 301 is disposed along the extension direction of the support beam 103, and the longitudinal traction mechanism 302 is disposed perpendicular to the support beam 103, as shown in fig. 2 and 3.

In this embodiment, the flexible traction mechanism 3 includes a traction rope, the traction rope is specifically a steel wire rope, and the flexible traction mechanism 3 further includes a rotating assembly structure 307 and a length adjusting structure 306 which are disposed at two ends of the traction rope. The length adjustment structure 306 and the pulling rope, and the length adjustment structure 306 and the rotating assembly structure 307 are connected by hanging rings 311. As shown in fig. 4, the rotating assembly structure 307 includes a rotating shaft 308 and a plurality of bearings 309 disposed on the rotating shaft 308, a mounting hole for the rotating assembly structure 307 to pass through is disposed on the movable platform 2, in addition, in order to avoid the rotating shaft 308 from coming out of the mounting hole, a sleeve is sleeved outside the rotating shaft 308 in this embodiment, an outer peripheral side of the sleeve is step-shaped, the bearings 309 with different diameters are correspondingly disposed at different diameters of the sleeve, and correspondingly, the mounting hole in this embodiment is also a step hole. In this embodiment, a hanging ring 311 is disposed at one end of the rotating shaft 308, an external thread is disposed on the outer peripheral side of the rotating shaft 308, the rotating shaft 308 is fixedly connected with the sleeve in a threaded assembly manner, during installation, the bearings 309 are first placed in the installation holes, then the sleeve is inserted into the installation holes from the side with the larger aperture of the installation holes, the rotating shaft 308 is screwed into the sleeve from the side with the smaller aperture of the installation holes, and finally the upper end cover 310 is fixed at the end with the larger aperture of the installation holes, the end cover 310 is fixed by screws, and the end cover 310 can stop and limit the ends of the bearings 309 and the sleeve, so that the rotating assembly structure 307 is prevented from being pulled out of the installation holes.

The length adjustment structure 306 in this embodiment includes a threaded sleeve 312 and a threaded post 313 that is threadably mounted within the threaded sleeve 312. As shown in fig. 5, in the present embodiment, an internal thread is provided in the threaded sleeve 312, two ends of the threaded sleeve 312 are each threadedly assembled with a threaded post 313, and an end of each threaded post 313 located outside the threaded sleeve 312 is provided with a suspension loop 311. When the length needs to be adjusted, the threaded sleeve 312 or the threaded column 313 is screwed.

Because the traction rope is slidably assembled on the gantry support 1, in order to reduce the friction between the traction rope and the gantry support 1, in this embodiment, a roller structure 303 is further disposed on the gantry support 1, the roller structure 303 includes a sliding roller 304 and a limiting cover 305 disposed on the outer peripheral side of the sliding roller 304, in this embodiment, the sliding roller 304 is a concave wheel, that is, an annular groove for the traction rope to be inserted transversely is disposed on the outer peripheral surface of the sliding roller 304. In this embodiment, the limit cover 305 has a U-shaped groove shape, and a gap through which the traction rope passes is formed between the limit cover 305 and the slide roller 304. The arrangement of the limiting cover 305 can avoid the traction rope from deviating from the roller structure 303, and the safety and the stability of operation are ensured. In this embodiment, the longitudinal traction mechanism 302 is correspondingly provided with one roller structure 303, the roller structure 303 is disposed at the middle position of the bracket beam 103, and the transverse traction mechanism 301 is correspondingly provided with four roller structures 303, wherein two roller structures 303 are disposed at the two end positions of the bracket beam 103, and the remaining two roller structures 303 are respectively disposed on the corresponding bracket upright 101.

Because both ends of the transverse traction mechanism 301 need to be connected with the movable platform 2 by bypassing the support columns 101, in order to facilitate the connection of the transverse traction mechanism 301, through holes 102 are provided on each support column 101, and since the support columns 101 in this embodiment are of a triangular frame structure, the through holes 102 are formed by gaps (through holes) inside the support columns 101.

The utility model discloses a working process does: before the gantry type automatic traction device is used, the longitudinal traction mechanism 302 and the transverse traction mechanism 301 are installed on the gantry support 1, then the two rotating assembly structures 307 of the longitudinal traction mechanism 302 are fixedly connected with the front side and the rear side of the movable platform 2, and the two rotating assembly structures 307 of the transverse traction mechanism 301 are fixedly connected with the left side and the right side of the movable platform 2. In addition, the tightness of the traction rope is required to be adjusted through the length adjusting structure during connection, and the adjustment of the tightness can avoid the condition that the flexible traction mechanism is too long or too loose, so that the flexible traction mechanism is always in a proper range.

In the using process, as the longitudinal traction mechanism 302 and the transverse traction mechanism 301 can slide along with the shaking of the movable platform 2, the arrangement of the longitudinal traction mechanism 302 and the transverse traction mechanism 301 cannot influence the swing test of the movable platform 2, and when the hydraulic cylinder at the bottom of the movable platform 2 breaks down, the traction ropes of the longitudinal traction mechanism 302 and the transverse traction mechanism 301 can be tightened and pull the movable platform 2 upwards, so that the condition that the movable platform 2 falls down is avoided.

To sum up, the embodiment of the utility model provides a be applied to rope protection device who sways laboratory bench, it is through adopting the utility model discloses a be applied to rope protection device who sways the laboratory bench, at first with two flexible drive mechanism 3's both ends respectively with move platform 2 and be connected fixedly in the use, because flexible drive mechanism 3 can be flexible buckle and can be gliding by oneself for gantry support 1, when moving platform 2 and sway and rock like this, flexible drive mechanism 3 can slide along with rocking of moving platform 2, has avoided flexible drive mechanism 3 to the influence of swaing the test. When the hydraulic cylinder below the movable platform 2 fails suddenly, the flexible traction mechanism 3 can pull the movable platform 2 to be dropped, so that the movable platform 2 is kept at a corresponding height position, the dropping of the movable platform 2 is avoided, potential safety hazards are eliminated, and the safety of a swing test is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a be applied to rope protection device who sways laboratory bench which characterized in that: the flexible traction mechanism comprises a gantry support (1) and a flexible traction mechanism (3) assembled on the gantry support (1) in a sliding mode, wherein the flexible traction mechanism (3) comprises a traction rope and rotating assembly structures (307) arranged at two ends of the traction rope, the rotating assembly structures (307) are used for being assembled with a movable platform (2) in a rotating mode, a length adjusting structure (306) is further arranged between each rotating assembly structure (307) and the traction rope, and the length adjusting structure (306) is used for adjusting the overall length of the flexible traction mechanism (3) so as to achieve adjustment of the tightness of the flexible traction mechanism (3).

2. The rope protection device applied to the swing experiment table according to claim 1, wherein: the gantry support (1) comprises a support cross beam (103) and support upright posts (101) fixedly supported at two ends of the support cross beam (103), and the flexible traction mechanism (3) comprises a transverse traction mechanism (301) arranged in parallel with the support cross beam (103) and a longitudinal traction mechanism (302) arranged perpendicular to the support cross beam (103).

3. The rope protection device applied to the swing experiment table according to claim 2, wherein: each support upright post (101) is provided with a through hole (102) for the transverse traction mechanism (301) to pass through.

4. A rope protection device applied to a sway experiment table as recited in claim 3, wherein: the support stand column (101) is a triangular frame, and an inner through hole of the triangular frame forms the through hole (102).

5. The rope protection device applied to the swing experiment table according to claim 1, wherein: the rotation fitting structure (307) includes a rotation shaft (308) and a bearing (309) provided on the rotation outer peripheral side.

6. The rope protection device applied to the swing experiment table according to claim 1, wherein: the length adjusting structure (306) comprises a threaded sleeve (312) and a threaded column (313) which is in threaded fit in the threaded sleeve (312), and the length adjusting structure (306) achieves length adjustment through the threaded column (313) and the threaded sleeve (312) in a threaded sliding mode.

7. The rope protection device applied to the swing experiment table according to claim 1, wherein: the length adjusting structure (306) is connected with the traction rope, and the length adjusting structure (306) is connected with the rotating assembly structure (307) through a hanging ring (311) or a hook.

8. The rope protection device applied to the swing experiment table according to claim 1, wherein: the gantry support (1) is provided with a roller structure (303), and the roller structure (303) comprises a sliding roller (304) for hanging a traction rope.

9. The rope protection device applied to the swing experiment table according to claim 8, wherein: the sliding roller (304) is a concave wheel.

10. The rope protection device applied to the swing experiment table according to claim 8, wherein: the roller structure (303) further comprises a limiting cover (305) which covers the outer periphery of the sliding roller (304) to prevent the traction rope from falling off from the sliding roller (304).