CN220748111U - Adjustable stepping device - Google Patents

Abstract

The application provides an adjustable stepping device which is arranged between a first workbench and a second workbench, comprises a mounting seat, a supporting frame, a stepping and a linkage mechanism, wherein the mounting seat is arranged on the first workbench and is provided with a guide rail extending in the height direction; the upper end of the support frame is rotatably assembled in the guide rail and can move along the guide rail; the step is rotatably arranged on the support frame; the linkage mechanism is in linkage fit with the support frame and the stepping, and the stepping is limited at the stepping position when the support frame and the main connecting rod are supported on the second workbench; the support frame moves about on the mount pad, can adjust its position and angle of supporting on the second workstation, can accomodate the space that reduces to occupy to can expand to the angle that makes things convenient for the staff to scramble, support frame and link gear can be with the restriction of stepping on the position, make things convenient for the staff to trample.

Description

Adjustable stepping device

Technical Field

The application relates to the technical field of marking time, in particular to an adjustable marking time device.

Background

At present, a wharf cable tying position for 30-ton ore transportation is positioned on a platform at the lower part of the wharf, a cable winch is used for driving, a cable is tied on a cable tying column, and a stepping which is convenient for people to go up and down is usually arranged on the cable tying platform. However, the cable and the steps on the cable-tying platform are mutually interfered and easily worn, so that potential safety hazards exist, and unnecessary losses can be caused to the ship side.

In order to avoid interference of cables and steps, the steps on the prior tying-off platform are designed into vertical crawling ladders, as shown in figure 1, the vertical crawling ladders 10 are not easy to climb, the safety is low, the tying-off personnel are inconvenient to carry and tie off objects, and a plurality of people are required to complete tying-off work in a matching way, so that the operation efficiency is low, and the ship leaning-off time is delayed.

Disclosure of Invention

This application provides an adjustable device of marking time in order to solve the problem that exists among the prior art.

The application provides an adjustable device of marking time sets up between first workstation and second workstation, first workstation is higher than the second workstation includes:

the mounting seat is arranged on the first workbench, and a guide rail extending in the height direction is arranged on the mounting seat;

a support frame whose upper end is rotatably fitted in the guide rail and is movable along the guide rail;

at least one step rotatably disposed on the support frame;

the linkage mechanism comprises a main connecting rod and an auxiliary connecting rod, the main connecting rod is movably connected to the support frame through the auxiliary connecting rod, and the main connecting rod is movably connected with the step;

when the support frame and the main connecting rod are supported on the second workbench, the stepping is limited at the stepping position.

In one embodiment of the present application, the auxiliary connecting rods are provided with at least two, and the supporting frame, the main connecting rod and the auxiliary connecting rod are connected to form a linked quadrilateral structure.

In an embodiment of the present application, the upper end of support frame is provided with the loose axle that the cooperation is in the guide rail, be provided with on the mount pad with a plurality of constant head tanks of guide rail intercommunication, the constant head tank distributes in the direction of height, the loose axle can block into arbitrary in the constant head tank.

In one embodiment of the present application, the bottom of the positioning groove is configured as a concave structure that fits the movable shaft.

In one embodiment of the present application, the locking device further comprises a locking mechanism, wherein the locking mechanism comprises a locking rod hinged on the mounting seat, and an elastic piece arranged between the locking rod and the mounting seat, and the locking rod is configured to clamp a movable shaft positioned in the positioning groove under the action of the elastic force of the elastic piece.

In one embodiment of the present application, the auxiliary links are provided in two, namely, a first auxiliary link and a second auxiliary link, the first auxiliary link is connected between the lower end of the main link and the lower end of the supporting frame, and the second auxiliary link is connected between the upper end of the main link and the movable shaft.

In one embodiment of the present application, the support frame includes two support rods disposed on two opposite sides of the step, the mounting seats are disposed in two and respectively correspond to the support rods, and the upper ends of the support rods are fitted in the corresponding guide rails of the mounting seats.

In one embodiment of the present application, the step and the main link are connected by a movable link plate.

In one embodiment of the present application, the step comprises a pedal and a pedal bracket arranged at the bottom of the pedal, wherein the pedal is hinged with the support frame, and the pedal bracket is hinged with the movable joint plate.

In one embodiment of the present application, the support frame is provided with a handrail mechanism, the handrail mechanism comprises a handrail rod and a handrail connecting rod, and the handrail rod is movably connected to the support frame through the handrail connecting rod.

The support frame of the stepping device is matched with the mounting seat and can move in the guide rail of the mounting seat, so that the position and the angle of the support frame supported on the second workbench can be adjusted, occupied space can be reduced by storage, a cable on the second workbench is avoided, abrasion caused by interference with the cable is avoided, the support frame can be unfolded to an angle convenient for workers to climb, safety is improved, flexible use is realized, and working efficiency of the workers is improved; the support frame and mark time and realize the linkage through link gear, when support frame and main connecting rod support on the second workstation, mark time by bracing piece and link gear restriction on trampling the position, can make things convenient for the staff to trample.

Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the present application, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

FIG. 1 is a background art drawing;

FIG. 2 is a schematic illustration of an application of an adjustable stepping device according to an embodiment of the present application;

FIG. 3 is a schematic diagram of an adjustable stepping device according to an embodiment of the present application;

FIG. 4 is a front view of a mount in an adjustable stepping device provided in an embodiment of the present application;

FIG. 5 is a side view of a mount in an adjustable stepping device provided in an embodiment of the present application;

FIG. 6 is a schematic view of a mount and locking mechanism in an adjustable stepping device according to one embodiment of the present application;

fig. 7 is an enlarged view of a portion a in fig. 6.

The one-to-one correspondence between the component names and the reference numerals in fig. 1 to 7 is as follows:

10. a vertical ladder;

11. a first work table; 111. fixing the steps;

12. a second work table;

2. a mounting base; 21. a guide rail; 22. a positioning groove;

3. a support frame; 31. a support rod; 32. a movable shaft;

4. stepping; 41. a pedal; 42. a pedal bracket;

5. a linkage mechanism; 51. a main connecting rod; 52. a secondary connecting rod; 53. a movable yoke plate;

521. a first secondary link; 522. a second auxiliary connecting rod;

6. a locking mechanism; 61. a lock lever; 62. an elastic member;

7. a handrail mechanism; 71. a grab rail; 72. and a handrail connecting rod.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In this document, "upper", "lower", "front", "rear", and the like are used merely to denote relative positional relationships between the relevant portions, and do not define absolute positions of the relevant portions.

Herein, "first", "second", etc. are used only for distinguishing one another, and do not denote any order or importance, but rather denote a prerequisite of presence.

Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.

In the description herein, unless otherwise indicated, the meaning of "a plurality" is two or more.

The technical solutions of the present application will be described in detail below in connection with specific structures.

The present application provides an adjustable stepping device, as shown in fig. 2 and 3, which is disposed between a first work table 11 and a second work table 12, the first work table 11 being higher than the second work table 12. The staff member moves between the first work table 11 and the second work table 12 by means of the adjustable stepping device.

With continued reference to fig. 2 and 3, the adjustable step device includes a mount 2, a support frame 3, at least one step 4, and a linkage 5. Wherein the mounting base 2 is provided on the first table 11, and the mounting base 2 is provided with a guide rail 21 extending in the height direction. The step 4 is rotatably provided on the support frame 3, and an upper end of the support frame 3 is rotatably fitted in a guide rail 21 of the mount 2 and is movable along the guide rail 21.

The upper end of the support frame 3 is supported and limited on the mounting seat 2 of the first workbench 11, the lower end of the support frame 3 is supported on the second workbench 12, the support frame 3 rotates relative to the mounting seat 2 and moves up and down along the guide rail 21, the lower end of the support frame 3 can be supported on different positions of the second workbench 12, and the angle between the support frame 3 and the second workbench 12 can be adjusted accordingly.

As shown in fig. 3, the linkage mechanism 5 includes a main link 51 and a sub link 52, the main link 51 is movably connected to the support frame 3 through the sub link 52, and the main link 51 is movably connected to the step 4. The supporting frame 3 and the stepping 4 can realize linkage through a linkage mechanism 5. When the support frame 3 and the main link 51 are supported on the second table 12, the step 4 is restricted in the step position by the support frame 3 and the link mechanism 5. The second table 12 restricts the position height of the lower end of the support frame 3 and the lower end of the main link 51, and when the inclination angle of the support frame 3 is changed, the main link 51 supported on the second table 12 also follows rotation, displacing the step 4 in the height direction, and being able to be held in the stepping position. The pedal position of the pedal 4 can be in a horizontal or approximately horizontal posture, so that the pedal is convenient for staff and the safety of the staff is ensured.

When the adjustable stepping device is applied to the wharf, the first workbench 11 can be a platform on the wharf, the second workbench 12 can be a cable tying platform for tying cables, the position of the adjustable stepping device supported on the second workbench 12 can be changed by adjusting the support frame 3, the upper end of the support frame 3 moves upwards along the guide rail 21, the support frame 3 rotates in a direction close to the side wall of the first workbench 11, the adjustable stepping device can be stored, the space on the second workbench 12 is reserved, the cables on the second workbench 12 are avoided, and the cables are prevented from being worn.

When the adjustable stepping device is required to be used, the supporting frame 3 is rotated, so that the supporting frame 3 is unfolded to an angle convenient to climb, and is supported on the second workbench 12, so that the safety is improved, the adjustable stepping device can be flexibly used, and is convenient for workers to carry articles between the first workbench 11 and the second workbench 12, thereby improving the working efficiency of the workers and saving the leaning-away time of ships.

In some embodiments of the present application, as shown in fig. 2, a fixed step 111 may be disposed on the first table 11, the adjusting step device is located below the fixed step 111, the fixed step 111 extends from a sidewall of the first table 11 to a top of the first table 11, and the adjustable step device may shorten the length, save materials, and reduce costs.

In some embodiments of the present application, as shown in fig. 4 and 5, the upper end of the support frame 3 is provided with a movable shaft 32, and the movable shaft 32 is fitted in the guide rail 21 of the mount 2, is rotatable in the guide rail 21, and is movable up and down along the guide rail 21.

As shown in fig. 5, the mount 2 is provided with a plurality of positioning grooves 22 communicating with the guide rail 21, the positioning grooves 22 are distributed in the height direction, and the movable shaft 32 can be engaged with any one of the positioning grooves 22. In detail, the positioning groove 22 is provided on the side of the mount 2 close to the first table 11. After the movable shaft 32 is clamped into the positioning groove 22, the angle of the support frame 3 is rotated, so that the lower end of the support frame 3 is supported on the second workbench 12.

The positioning groove 22 limits and supports the movable shaft 32, and further plays a role in limiting and supporting the upper end of the support frame 3, so that the lower end of the support frame 3 can be stably supported on the second workbench 12, the support frame 3 is prevented from slipping, and the safety is ensured.

In one embodiment shown in fig. 5, the bottom of the positioning groove 22 may be configured to be a concave structure adapted to the movable shaft 32, so that the movable shaft 32 can be better matched with the movable shaft 32 and supported by the movable shaft 32, so that the movable shaft 32 can be more stably clamped in the positioning groove 22, and is not easy to separate from the positioning groove 22, thereby enhancing safety.

In detail, as shown in fig. 3, the mounting base 2 may be provided on a side wall of the first table 11, and the guide rail 21 may be a chute, a long hole, or the like provided on the mounting base 2. Set square can be set up on the mount pad 2, and the set square can be fixed on the lateral wall of first workstation 11 through the bolt, and set square can strengthen the joint strength of mount pad 2 to stable support frame 3.

In some embodiments of the present application, as shown in fig. 3, at least two auxiliary links 52 of the linkage mechanism 5 are provided, and the support frame 3, the main link 51 and the auxiliary links 52 are connected to form a linked quadrilateral structure, and the step 4 is also movably connected between the support frame 3 and the main link 51, so that the step 4 is linked with the support frame 3 and the main link 51. When the lower end of the support frame 3 and the lower end of the main link 51 are supported on the second table 12, the relative positions of the two are determined, so that the movement of the step 4 can be restricted, and the step 4 can be maintained at the step position.

In one embodiment shown in fig. 3, two sub links 52 of the linkage mechanism 5 are provided, namely, a first sub link 521 and a second sub link 522, the first sub link 521 being connected between the lower end of the main link 51 and the lower end of the support frame 3, and the second sub link 522 being connected between the upper end of the main link 51 and the movable shaft 32. The support frame 3 is approximately parallel to the main link 51. The upper end of the main connecting rod 51 can be provided with a triangular bracket, the second auxiliary connecting rod 522 is hinged on the triangular bracket, and the triangular bracket can strengthen the structural strength and play a supporting role.

In some embodiments of the present application, as shown in fig. 3, the support frame 3 includes two support rods 31, and the two support rods 31 are disposed at opposite sides of the step 4. Specifically, the steps 4 are provided in plurality, spaced apart between the two support bars 31. The two sides of the step 4 are respectively hinged and matched on the corresponding supporting rods 31 through rotating shafts, and the rotating shafts on the two sides of the step 4 are on the same horizontal straight line.

With continued reference to fig. 3, the mount 2 is provided with two, and corresponds to the two support rods 31, the upper ends of the support rods 31 being fitted in the guide rails 21 of the corresponding mount 2. In detail, the guide rails 21 of the two mounting seats 2 are opposite to each other, the upper ends of the two support rods 31 are respectively provided with a movable shaft 32, and the two movable shafts 32 extend transversely and are positioned on the same straight line to be respectively matched in the two guide rails 21.

In some embodiments of the present application, as shown in fig. 3, the step 4 is movably connected to the main link 51 by a movable link plate 53. One end of the movable connecting plate 53 is hinged with the step 4, and the other end is hinged with the main connecting rod 51, so that a certain movable allowance can be provided for the step 4.

In some embodiments of the present application, as shown in fig. 3, the step 4 includes a step 41 and a step support 42, and the step support 42 is provided at the bottom of the step 41 to support the step 41. The pedal 41 is hinged to the support frame 3, and the movable link plate 53 is hinged to the pedal bracket 42, so as to support the pedal bracket 42.

The main link 51 is disposed at the rear of the step 4, i.e., at the side of the step 4 near the side wall of the first table 11, and plays a supporting role for the step 4. The pedal 41 may be in a plate-like structure, a grid structure, or other structure capable of being stepped on. The pedal bracket 42 may be provided in a tripod structure, with two tips at the top supporting the pedal 41 and tips at the bottom connecting the movable yoke plate 53.

The linkage mechanism 5 is at least arranged on one side of the support frame 3 and is movably connected with the support rod 31 on the corresponding side. In some embodiments of the present application, the linkage mechanisms 5 may be disposed on opposite sides of the support frame 3, and connected to the support rods 31 corresponding to the two sides, where the linkage mechanisms 5 on the two sides have the same structure and move synchronously.

In some embodiments of the present application, as shown in fig. 6 and 7, the adjustable stepping device may further include a locking mechanism 6, wherein the locking mechanism 6 includes a locking lever 61 hinged to the mounting base 2, and an elastic member 62 disposed between the locking lever 61 and the mounting base 2, and the locking lever 61 needs to rotate on the mounting base 2 against the elastic force of the elastic member 62. The lock lever 61 is configured to lock the movable shaft 32 positioned in the positioning groove 22 by the elastic force of the elastic member 62, preventing the movable shaft 32 from being separated from the positioning groove 22, thereby securing stability and safety.

In detail, each positioning groove 22 of the mounting seat 2 is provided with a corresponding locking mechanism 6, and the hinge of the lock lever 61 is fitted in a position close to the corresponding positioning groove 22. One end of the lock lever 61 is close to the bottom of the positioning groove 22, and the other end of the lock lever 61 is connected with an elastic member 62, and the elastic member 62 may be a torsion spring, a compression spring, a shrapnel, or the like, to limit the rotation of the lock lever 61. The hinge point of the lock lever 61 and the mount 2 is located between both ends of the lock lever 61.

The elastic member 62 can drive the lock lever 61 to press the movable shaft 32 in the positioning groove 22. When the position of the movable shaft 32 needs to be adjusted, the lock lever 61 may be pulled to move the movable shaft 32 from the positioning groove 22 into the guide rail 21 or to move the movable shaft 32 in the guide rail 21 into the positioning groove 22. Further, the end of the lock lever 61 near the positioning groove 22 may be provided in a concave structure capable of being fitted with the movable shaft 32, increasing the stability of locking the movable shaft 32.

In some embodiments of the present application, as shown in fig. 3, the support frame 3 is provided with a handrail mechanism 7, and the handrail mechanism 7 includes a handrail lever 71 and a handrail link 72, and the handrail lever 71 is movably connected to the support frame 3 through the handrail link 72. Specifically, the armrest mechanism 7 is provided at least on one side of the support frame 3, and is connected to the support rod 31 on the corresponding side via an armrest link 72.

In detail, the armrest link 72 is provided with at least two, and the armrest lever 71, the armrest link 72, and the support rod 31 are connected in a movable quadrangular structure. The grab bar 71 is positioned above the support bar 31 to be parallel to the support bar 31. The relative positions of the grab rail 71 and the support bar 31 can be adjusted. When the support frame 3 is stored, the grab rail 71 can be stored, and the space occupied by the second table 12 can be reduced. The grab bar 71 may be a round tube or other structure that facilitates the manual manipulation of the personnel.

The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the application is defined by the appended claims.

Claims (10)

1. An adjustable stepping device disposed between a first work table and a second work table, the first work table being higher than the second work table, comprising:

the mounting seat is arranged on the first workbench, and a guide rail extending in the height direction is arranged on the mounting seat;

a support frame whose upper end is rotatably fitted in the guide rail and is movable along the guide rail;

at least one step rotatably disposed on the support frame;

the linkage mechanism comprises a main connecting rod and an auxiliary connecting rod, the main connecting rod is movably connected to the support frame through the auxiliary connecting rod, and the main connecting rod is movably connected with the step;

when the support frame and the main connecting rod are supported on the second workbench, the stepping is limited at the stepping position.

2. The adjustable stepping device of claim 1, wherein at least two auxiliary links are provided, and the support frame, the main link and the auxiliary link are connected in a linked quadrilateral structure.

3. The adjustable stepping device according to claim 1, wherein a movable shaft fitted in the guide rail is provided at an upper end of the support frame, a plurality of positioning grooves communicating with the guide rail are provided on the mount, the positioning grooves are distributed in a height direction, and the movable shaft can be caught in any one of the positioning grooves.

4. The adjustable stepping apparatus of claim 3, wherein a bottom of said positioning groove is configured as a concave structure adapted to said movable shaft.

5. The adjustable stepping apparatus of claim 3, further comprising a locking mechanism comprising a locking bar hinged to said mount, and an elastic member disposed between said locking bar and mount, said locking bar being configured to lock a movable shaft located in said positioning slot under the elastic force of said elastic member.

6. The adjustable stepping device according to claim 3, wherein two auxiliary links are provided, a first auxiliary link and a second auxiliary link, respectively, the first auxiliary link being connected between the lower end of the main link and the lower end of the support frame, and the second auxiliary link being connected between the upper end of the main link and the movable shaft.

7. The adjustable stepping apparatus according to claim 1, wherein said support frame comprises two support rods provided on opposite sides of said stepping, said mounting seats being provided with two and corresponding respectively to said support rods, upper ends of said support rods being fitted in said guide rails of said corresponding mounting seats.

8. The adjustable step device of claim 1, wherein the step is connected to the main link by a movable linkage.

9. The adjustable step device of claim 8, wherein the step comprises a step and a step support provided at the bottom of the step, the step being hinged to the support frame, the step support being hinged to the movable yoke plate.

10. An adjustable step apparatus according to any one of claims 1-9, wherein the support frame is provided with a handrail mechanism, the handrail mechanism comprising a handrail bar and a handrail link, the handrail bar being movably connected to the support frame by the handrail link.