CN218750563U - Two-stage overturning stepping structure - Google Patents
Two-stage overturning stepping structure Download PDFInfo
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- CN218750563U CN218750563U CN202223358756.2U CN202223358756U CN218750563U CN 218750563 U CN218750563 U CN 218750563U CN 202223358756 U CN202223358756 U CN 202223358756U CN 218750563 U CN218750563 U CN 218750563U
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Abstract
The utility model discloses a structure of marking time is overturned to second grade, mark time, second grade including the one-level, mark time, rotate connecting rod and locking support. The one-level is marked time and is connected with the lower extreme rotation of two rotation connecting rods, and the second grade is marked time and is located the one-level top of marking time, and the upper end of two rotation connecting rods respectively with the both ends fixed connection that the second grade was marked time. The two locking supports are respectively arranged at two ends of the upper surface of the first-stage step and used for limiting the rotation angle of the rotation connecting rod on the first-stage step. Locking support upper end is provided with locking nylon piece, and locking groove has been seted up to locking nylon piece top, locking groove and rotating link cooperation. The utility model discloses well second grade is marked time and is convenient for lay on the one-level basis of marking time, can improve the height that rescue workers trampled the tread on the basis that does not influence the one-level and mark time the use to this conveniently gets and puts the equipment, saves rescue workers' physical power, and the second grade is marked time simultaneously and can be filled the one-level and mark time and the clearance between the tire, prevents that rescue workers from trampling in vain when getting and put the equipment and taking place danger.
Description
Technical Field
The utility model relates to a device, especially a second grade upset structure of marking time of overturning of marking time.
Background
In order to ensure that rescue workers can put rescue equipment into a fire disaster more quickly, conveniently, labor-saving and safely, improve rescue efficiency, save physical strength of the rescue workers and improve personal safety of the rescue workers, all fire fighting teams and rescue teams put higher requirements on the safety of the rescue workers and the speed of putting the rescue workers into a fire scene.
When the rescue workers take and place the equipment in the wheel bag high-position equipment box, the stepping at the position of the existing wheel bag is a one-level stepping, so that the rescue workers are not convenient to take and place the equipment on the topmost partition plate in the higher equipment box. Meanwhile, due to the limitation of the stepping structure, a large gap exists between the first-stage stepping and the tire, so that the tire is extremely easy to step empty and causes danger.
Now need a second grade upset structure of marking time, can mark time through turning over the second grade upset when the equipment that rescue personnel got to put the eminence is inconvenient and get and put the equipment, mark time when only getting through the one-level when the rescue personnel simultaneously and put the equipment, the second grade of turning over marks time and can also protect rescue personnel, prevents to step on the sky and falls.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, and provide a second grade upset structure of marking time, this second grade upset structure principle of marking time is simple, be convenient for mark time on the basis at the one-level and lay, can improve the height that the first-aid staff trampled the tread on the basis that does not influence the one-level and mark time the use, conveniently get with this and put the equipment, save first-aid staff physical power, the second grade upset is marked time simultaneously and can be filled the one-level and mark time and the clearance between the tire, prevent that the first-aid staff from stepping on the sky when getting and putting the equipment and taking place danger.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a two-stage turning step structure comprises a one-stage step, a two-stage step, a rotating connecting rod and a locking support.
The first-stage step is rotationally connected with the lower ends of the two rotating connecting rods, the second-stage step is located above the first-stage step, and the upper ends of the two rotating connecting rods are fixedly connected with the two ends of the second-stage step respectively.
The two locking supports are respectively arranged at two ends of the upper surface of the first-stage step and used for limiting the rotation angle of the rotation connecting rod on the first-stage step.
Locking support upper end is provided with locking nylon piece, and locking groove has been seted up to locking nylon piece top, locking groove and rotating link cooperation.
The rotating connecting rod comprises an upper connecting support, a middle connecting support and a lower connecting support.
The upper connecting supports are respectively and fixedly arranged at two ends of the second-stage step, and one end of the middle connecting support is connected with the upper connecting support through a fastening bolt.
The lower connecting supports are respectively and fixedly arranged at two ends of the upper surface of the first step, and the other end of the middle connecting support is rotatably connected with the lower connecting support through a pin shaft.
Both ends are provided with the anticollision piece about the one-level upper surface of marking time, and the anticollision piece is used for alleviateing the second grade and marks time and rotate to the one-level and mark time and the impact that produces when laminating and fix the second grade and mark time.
A clamping groove is arranged above the anti-collision block and matched with the front end of the second-stage step.
Two adjacent side surfaces of the upper surface of the first-stage step are respectively provided with a reflective warning lamp.
Still include the tilting mechanism and the fixed plate of marking time, the one-level is marked time and is connected with the fixed plate rotation through the tilting mechanism that marks time that both ends set up.
The utility model discloses following beneficial effect has:
1. the utility model discloses well second grade upset structure principle of marking time is simple, is convenient for lay on the one-level basis of marking time, can improve the height that rescue personnel stamped the tread on the basis that does not influence the one-level use of marking time to this conveniently gets and puts the equipment, saves rescue personnel physical power, and the second grade upset is marked time simultaneously and can be filled the one-level and mark time and the clearance between the tire, prevents that rescue personnel from stepping on empty when getting the equipment and taking place danger.
2. In the utility model, the second-stage turning step is respectively limited in self rotation through the locking support and the anti-collision block, when the second-stage turning step is turned over and bears the supporting action, the middle connecting support in the second-stage step rotating connecting rod is clamped into the locking groove arranged in the locking nylon block of the locking support, and the locking support can provide vertical upward supporting force for the second-stage turning step, so that the rescue workers can conveniently step and tread; when the second grade upset was marked time and is packed up, the second grade was marked time and is rotated to the one-level and mark time and laminate, and the front end card was marked time to the second grade this moment is gone into in the chucking groove in the anticollision piece, and the anticollision piece can alleviate the impact that produces when laminating and mark time to the second grade and fix, and the second grade is marked time and is merged into whole and to the rotatory 90 income automobile body insidely of car interior direction with the one-level, and the anticollision piece can avoid the second grade upset to mark time and continue to appear to the inside wobbling condition of automobile body for structure under the recovery state keeps stable.
Drawings
Fig. 1 is a schematic structural view of a two-stage turning step structure of the present invention.
Fig. 2 shows the structure of the second step in the turning state of the present invention.
Fig. 3 shows a schematic view of a partial structure of the middle rotating link of the present invention.
Fig. 4 shows the side view of the second step in the turning state of the utility model.
Fig. 5 shows a side view of the second step of the present invention in the recovery state.
Among them are:
10. first-stage stepping;
20. b, secondary stepping;
30. rotating the connecting rod; 31. an upper connecting bracket; 32. a lower connecting bracket; 33. a pin shaft; 34. the middle is connected with a bracket; 35. fastening a bolt;
40. a locking bracket;
50. locking the nylon frame; 51. a locking groove;
60. a reflective warning lamp;
70. an anti-collision block; 71. a clamping groove;
80. a stepping turnover mechanism;
90. and (7) fixing the plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
As shown in fig. 1 and 2, a two-stage step structure includes a first-stage step, a second-stage step, a rotation link, a locking bracket, a step-turning structure and a fixing plate.
This structure of marking time is overturn to second grade mainly sets up in fire engine tire upside, and the fixed plate sets up respectively in the frame of fire engine tire left and right sides, and the one-level is marked time and is connected through the fixed plate rotation of the flip structure of marking time and both sides, and wherein the tilting mechanism of marking time prefers to be provided with the air spring and support, and the one-level is marked time and can be rotated under the extension drive that the air spring supported through the tilting mechanism of marking time to make the upper surface and the ground parallel that the one-level was marked time, the fire fighter of being convenient for trample.
In order to facilitate the arrangement of the first-stage step relative to the tires of the fire fighting truck, and ensure that a certain space is reserved between the first-stage step and the tires in the rotation work of the first-stage step, the first-stage step in the embodiment preferably adopts a U-shaped structure, and the tires are positioned in the middle of the opening of the U-shaped structure. The tread length that the one-level was marked time can be according to fire engine tire size design, and it can make to mark time tread length through changing the one-level the utility model is suitable for a single rear axle and two rear axle fire engine.
The left end and the right end of the first-stage step are respectively connected with the lower ends of the rotating connecting rods in a rotating mode, the second-stage step is located above the first-stage step, and the upper ends of the two rotating connecting rods are respectively fixedly connected with the left end and the right end of the second-stage step. The two locking supports are also respectively arranged at two ends of the upper surface of the first-stage step, the locking supports are arranged on the swing path of the rotating connecting rod, and the locking supports are used for limiting the rotating angle of the rotating connecting rod on the first-stage step. Wherein locking nylon piece has been provided with to locking support upper end, has seted up the locking groove on the locking nylon piece, and the locking groove cooperatees with the rotation connecting rod.
The second-stage step is turned over with the first-stage step by a rotating connecting rod, and as shown in fig. 3, the rotating connecting rod comprises an upper connecting support, a middle connecting support and a lower connecting support. The upper connecting supports are respectively and fixedly arranged at two ends of the second-stage step, and one end of the middle connecting support is connected with the upper connecting support through a fastening bolt. The lower connecting supports are respectively and fixedly arranged at two ends of the upper surface of the first-stage step, and the other end of the middle connecting support is rotatably connected with the lower connecting support through a pin shaft. As shown in FIG. 4, the second grade is marked time and can be rotated through rotating the connecting rod under the exogenic action, and when rotating the connecting rod and rotate to stop rotating and locking in the locking groove, the locking support can provide the ascending holding power of vertical side for the second grade is marked time this moment, guarantees that the second grade is marked time the structural stability when supporting work.
Both ends are provided with anticollision piece about the upper surface of the one-level was marked time, and anticollision piece is used for alleviateing the second grade and marks time and rotate to the one-level and mark time and the impact that produces when laminating and fix the second grade and mark time. A clamping groove is arranged above the anti-collision block and matched with the front end of the second-stage step. As shown in fig. 5, when the second grade was marked time and is packed up, the second grade was marked time and is rotated to the first grade and mark time and laminate, and the front end card of marking time of the second grade was marked time this moment was in the chucking groove in the anticollision piece, and the anticollision piece can alleviate the impact that produces when laminating and mark time fixedly to the second grade, and the second grade was marked time and is marked time to merge into whole and rotatory 90 income automobile body inside to the car interior direction with the first grade, and the anticollision piece can effectively avoid the second grade to overturn and mark time and continue to appear to the inside wobbling condition of automobile body for the structure under the recovery state keeps stable.
The adjacent left and right side surfaces of the upper surface of one of the steps are respectively provided with a reflective warning lamp. Because the one-level is marked time and is turned over by the recovery state and carry out and bear when supporting the effect, the one-level is marked time and is stretched out from fire engine body is inside, and the whole outline size increase of fire engine, the warning light that reflects light can carry out warning work to follow-up vehicle of traveling, effectively avoids follow-up vehicle of traveling to mark time with the extra one-level that stretches out and collides.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a structure is marked time in second grade upset which characterized in that: comprises a first-stage step, a second-stage step, a rotating connecting rod and a locking bracket;
the first-stage step is rotationally connected with the lower ends of the two rotating connecting rods, the second-stage step is positioned above the first-stage step, and the upper ends of the two rotating connecting rods are fixedly connected with the left end and the right end of the second-stage step respectively;
the two locking supports are respectively arranged at the left end and the right end of the upper surface of the first-stage step and are used for limiting the rotating angle of the rotating connecting rod on the first-stage step;
locking support upper end is provided with locking nylon piece, and locking groove has been seted up to locking nylon piece top, locking groove and rotating link cooperation.
2. The two-stage turn-over step structure of claim 1, wherein: the rotating connecting rod comprises an upper connecting support, a middle connecting support and a lower connecting support;
the upper connecting supports are respectively and fixedly arranged at two ends of the secondary step, and one end of the middle connecting support is connected with the upper connecting support through a fastening bolt;
the lower connecting supports are respectively and fixedly arranged at two ends of the upper surface of the first-stage step, and the other end of the middle connecting support is rotatably connected with the lower connecting support through a pin shaft.
3. The two-stage turn-over step structure of claim 2, wherein: the left end and the right end of the upper surface of the first-stage step are provided with anti-collision blocks which are used for lightening the impact generated when the second-stage step rotates to the first-stage step and is attached and fixing the second-stage step;
a clamping groove is arranged above the anti-collision block and matched with the front end of the second-stage step.
4. The two-stage turn-over step structure of claim 1, wherein: and the left side surface and the right side surface which are adjacent to the upper surface of the first-stage step are respectively provided with a reflective warning lamp.
5. The two-stage turn-over step structure of claim 1, wherein: still include the tilting mechanism and the fixed plate of marking time, the one-level is marked time and is connected with two fixed plate rotations through the tilting mechanism of marking time that both ends set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358756.2U CN218750563U (en) | 2022-12-12 | 2022-12-12 | Two-stage overturning stepping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358756.2U CN218750563U (en) | 2022-12-12 | 2022-12-12 | Two-stage overturning stepping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218750563U true CN218750563U (en) | 2023-03-28 |
Family
ID=85682435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223358756.2U Active CN218750563U (en) | 2022-12-12 | 2022-12-12 | Two-stage overturning stepping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218750563U (en) |
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2022
- 2022-12-12 CN CN202223358756.2U patent/CN218750563U/en active Active
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