CN220081298U - Double ladder with protection function - Google Patents
Double ladder with protection function Download PDFInfo
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- CN220081298U CN220081298U CN202320337351.6U CN202320337351U CN220081298U CN 220081298 U CN220081298 U CN 220081298U CN 202320337351 U CN202320337351 U CN 202320337351U CN 220081298 U CN220081298 U CN 220081298U
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000009435 building construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a herringbone ladder with a protection function, which comprises a ladder frame, wherein a telescopic mechanism for controlling the opening and closing of the ladder frame is arranged between the two ladder frames, a protection rod is arranged at the upper part of the ladder frame and is rotatably connected with the ladder frame through a driving mechanism.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a herringbone ladder with a protection function.
Background
The herringbone ladder is also called a folding ladder, is a type of ascending tool used for working in a space above a plane, and when the herringbone ladder is used, front and rear ladder bars and the ground form an isosceles triangle, and look like a herringbone, so that the herringbone ladder is vividly called the herringbone ladder, and is very widely used in building construction, and construction work is often needed by building workers by means of climbing of the herringbone ladder;
but most of the currently used herringbone ladders for building construction do not have a protection function on human bodies, workers cannot be protected, and once the workers fall down, the workers can cause large body damage, so that the safety is poor, and the herringbone ladder for building construction with the human body protection function is provided.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the herringbone ladder with the protection function, when a worker climbs to the top end of the ladder frame, the driving mechanism is started, and the driving mechanism drives the protection rod to rotate, so that the protection rod is sleeved outside the body of the worker, and a better protection effect is achieved for the worker.
According to one aspect of the utility model, a herringbone ladder with a protection function is provided, the herringbone ladder comprises ladder frames, a telescopic mechanism used for controlling the opening and closing of the ladder frames is arranged between the two ladder frames, and a protection rod is arranged at the upper part of each ladder frame and is rotatably connected with the ladder frames through a driving mechanism.
According to the scheme, the telescopic mechanism is arranged, so that the folding and the pulling-out of the ladder frame can be realized, the mode of the ladder frame can be switched at any time according to the use state, the transportation and the storage are more convenient, and the cost is saved; when a worker climbs to the top of the ladder frame, the driving mechanism is used for driving the ladder frame to rotate, so that the protective rod is sleeved on the outer side of the body of the worker, a good protective effect is achieved on the worker, and the safety of the operation at a high place of the worker is improved.
Preferably, the driving mechanism comprises a linkage part and two driving parts for driving the protection rod to rotate, and the linkage part is used for driving the two driving parts to synchronously move.
Through this scheme, the linkage portion drives two drive division simultaneous movement to drive the synchronous rotation of the guard bar of ladder frame both sides, thereby make it can establish at workman's body side in step, improved the protection effect of guard bar, ensured workman's personal safety.
Preferably, the linkage part comprises a first gear set, a second gear set, rotating rods and rotating shafts, wherein the rotating shafts are fixedly arranged at the top of the first gear set, the rotating rods are symmetrically arranged on two sides of the first gear set, the second gear set is arranged at the end parts of the two rotating rods, and the second gear set is connected with the driving part.
Through this scheme, use pivot drive first gear train to rotate, the rotation of first gear train has driven the rotation of bull stick again, and then drives the synchronous rotation of two second gear trains to be favorable to driving the guard bar and lift up simultaneously and put down, avoid the workman carelessly to fall when the eminence operation, reduced the injured probability of workman.
Preferably, the driving part comprises a driving gear, a rack, a fixing plate and a screw rod, the screw rod is fixedly arranged at the bottom of the second gear set, the screw rod penetrates through the fixing plate and is in threaded connection with the fixing plate, the rack is arranged on one side of the fixing plate, the rack is meshed with the driving gear, and the driving gear is fixedly connected with the protection rod through a transmission shaft.
Through this scheme, under the drive of second gear train, the lead screw rotates, because threaded connection between lead screw and the fixed plate to make the fixed plate move along the direction of lead screw, and then driven the reciprocates of rack on the fixed plate, because the rack meshes with the drive gear of installing on the guard bar, the final drive guard bar rotates around the ladder frame, and operating mode is simple, and the practicality is strong.
Preferably, the first gear set comprises a first gear, a second gear and a third gear, the first gear is fixedly connected with the rotating shaft, the second gear and the third gear are arranged in parallel and meshed with the first gear, and the second gear and the third gear are respectively fixedly connected with the corresponding rotating rod; the second gear set comprises a first bevel gear and a second bevel gear, the first bevel gear is meshed with the second bevel gear, the first bevel gear is fixedly connected with the rotating rod, and the second bevel gear is fixedly connected with the screw rod.
Through this scheme, rotate the pivot and drive gear one and rotate, because gear two and gear three all mesh with gear one to make gear one drive gear two and gear three synchronous rotation, and then driven the rotation of bull stick, the rotation of bull stick has driven bevel gear one again, and then has driven bevel gear two's rotation, has finally driven the rotation of lead screw, and operation mode is simple, easily draws materials, and is with low costs.
Preferably, the telescopic mechanism comprises a first connecting rod, a second connecting rod and a connecting shaft, wherein the first connecting rod and the second connecting rod are respectively and rotatably connected with the two ladder frames, and the first connecting rod and the second connecting rod are rotatably connected through the connecting shaft.
Through this scheme, when using the ladder frame, pull open the ladder frame to make connecting rod one, connecting rod two and connecting axle be in a straight line almost, not only can play a better spacing fixed action to the ladder frame of expansion, can also strengthen the stability and the fastness of ladder frame in the use simultaneously, guaranteed construction worker's personal safety.
Preferably, a control mechanism for controlling the rotation of the rotating shaft is installed at the top of the rotating shaft.
Through this scheme, control mechanism's setting can drive the pivot effectively and rotate, has laid the foundation for the rotation of follow-up protection pole, and the practicality is strong.
The double ladder has the technical effects that the double ladder not only can ensure the personal safety of constructors, has a good protection effect on the constructors, reduces the probability of careless falling injury of the constructors, but also can strengthen the stability and the firmness of the double ladder in the use process, and has strong practicability.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, 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 utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a herringbone ladder with a protection function in the present embodiment.
Fig. 2 is a partial enlarged view of a portion a in fig. 1.
Fig. 3 is a partial enlarged view of a portion B in fig. 1.
Fig. 4 is a partial cross-sectional view of portion C-C of fig. 1.
Fig. 5 is a schematic structural view of the telescopic mechanism in the present embodiment.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present utility model 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 utility model 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 utility model, its application, or uses.
Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
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.
Examples
As shown in fig. 1 to 5, the herringbone ladder with a protection function in this embodiment comprises a ladder frame 1, the ladder frame 1 comprises a ladder plate 111 and two vertical frames 112 which are arranged in parallel, a plurality of ladder plates 111 are fixedly installed between the two vertical frames 112, the top of the ladder frame 1 is rotationally connected with a connecting plate 7, a telescopic mechanism 2 for controlling the opening and closing of the ladder frame 1 is installed between the two ladder frames 1, a protection rod 3 is installed on the upper portion of the ladder frame 1, and the protection rod 3 is rotationally connected with the ladder frame 1 through a driving mechanism.
The telescopic mechanism 2 is arranged, so that the folding and unfolding of the ladder frame 1 can be realized, the mode of the ladder frame 1 can be switched at any time according to the use state, the transportation and the storage are more convenient, and the cost is saved; when a worker climbs to the top of the ladder frame 1, the driving mechanism is used for driving the ladder frame 1 to rotate, so that the protective rod 3 is sleeved on the outer side of the body of the worker, a good protective effect is achieved on the worker, and the safety of the operation at a high place of the worker is improved.
Further, the driving mechanism comprises a linkage part 4 and two driving parts 5 for driving the protection rod 3 to rotate, and the linkage part 4 is used for driving the two driving parts 5 to synchronously move.
The linkage part 4 drives the two driving parts 5 to move simultaneously, so that the protection rods 3 on two sides of the ladder frame 1 are driven to rotate synchronously, and the protection rods can be synchronously sleeved on the body side of a worker, so that the protection effect of the protection rods 3 is improved, and the personal safety of the worker is guaranteed.
Further, the linkage part 4 includes a first gear set 41, a second gear set 42, a rotating rod 43 and a rotating shaft 44, the rotating shaft 44 is fixedly mounted at the top of the first gear set 41, the rotating rods 43 are symmetrically mounted at two sides of the first gear set 41, the second gear set 42 is mounted at the end parts of the two rotating rods 43, and the second gear set 42 is connected with the driving part 5.
The rotation shaft 44 is used for driving the first gear set 41 to rotate, the rotation of the first gear set 41 drives the rotation of the rotating rod 43, and then the synchronous rotation of the two second gear sets 42 is driven, so that the protective rod 3 is driven to be lifted and lowered simultaneously, the worker is prevented from carelessly falling during high-place operation, and the probability of injury of the worker is reduced.
Further, the driving part 5 includes a driving gear 51, a rack 52, a fixing plate 53 and a screw rod 54, the screw rod 54 is fixedly installed at the bottom of the second gear set 42, the screw rod 54 passes through the fixing plate 53 and is in threaded connection with the fixing plate 53, the rack 52 is installed at one side of the fixing plate 53, the rack 52 is meshed with the driving gear 51, the driving gear 51 is fixedly connected with the protection rod 3 through a transmission shaft 6, the driving gear 51 is fixedly connected with the transmission shaft 6, the transmission shaft 6 passes through the ladder frame 1 and is fixedly connected with the protection rod 3, a limiting plate 8 is arranged at the bottom of the screw rod 54, and the limiting plate 8 is used for preventing the fixing plate 53 from being separated from the screw rod 54.
Under the drive of the second gear set 42, the screw rod 54 rotates, and the screw rod 54 is in threaded connection with the fixed plate 53, so that the fixed plate 53 moves along the direction of the screw rod 54, and then the rack 52 on the fixed plate 53 is driven to move up and down, and the rack 52 is meshed with the drive gear 51 arranged on the protection rod 3, so that the protection rod 3 is finally driven to rotate around the ladder frame 1, and the operation mode is simple and the practicability is strong.
Further, the first gear set 41 includes a first gear 411, a second gear 412 and a third gear 413, the first gear 411 is fixedly connected with the rotating shaft 44, the second gear 412 and the third gear 413 are arranged in parallel and meshed with the first gear 411, and the second gear 412 and the third gear 413 are respectively fixedly connected with the corresponding rotating rod 43; the second gear set 42 includes a first bevel gear 421 and a second bevel gear 422, the first bevel gear 421 is meshed with the second bevel gear 422, the first bevel gear 421 is fixedly connected with the rotating rod 43, and the second bevel gear 422 is fixedly connected with the screw rod 54.
The rotating shaft 44 drives the first gear 411 to rotate, and the second gear 412 and the third gear 413 are meshed with the first gear 411, so that the first gear 411 drives the second gear 412 and the third gear 413 to synchronously rotate, the rotating rod 43 is driven to rotate, the rotating rod 43 drives the first bevel gear 421 to rotate, the bevel gear 422 is driven to rotate, and finally the screw rod 54 is driven to rotate.
Further, the telescopic mechanism 2 comprises a first connecting rod 21, a second connecting rod 22 and a connecting shaft 23, the first connecting rod 21 and the second connecting rod 22 are respectively connected with the two ladder frames 1 in a rotating mode, and the first connecting rod 21 and the second connecting rod 22 are connected in a rotating mode through the connecting shaft 23.
When the ladder frame 1 is used, the ladder frame 1 is pulled open, so that the first connecting rod 21, the second connecting rod 22 and the connecting shaft 23 are almost positioned on the same straight line, the unfolded ladder frame 1 can be well limited and fixed, meanwhile, the stability and the firmness of the ladder frame 1 in the use process can be enhanced, and the personal safety of construction workers is ensured.
Further, a control mechanism for controlling the rotation of the rotating shaft 44 is arranged at the top of the rotating shaft 44, the control mechanism comprises a knob 9 and a motor, and the knob 9 is used for manually completing the rotation of the protective rod 3, so that the construction cost is saved; the motor is used for driving the rotating shaft 44 to rotate, so that automatic control is realized, and labor cost is saved.
The setting of control mechanism can drive pivot 44 effectively and rotate, has laid the basis for the rotation of follow-up guard bar 3, and the practicality is strong.
The working principle of this embodiment is as follows:
when the ladder frame 1 is pulled during use, under the action of the first connecting rod 21, the second connecting rod 22 and the rotating shaft 23, the ladder frame 1 is unfolded, a worker climbs to the top of the ladder frame 1, the knob 9 is rotated, the rotating shaft 44 is driven by the knob 9 to rotate, the first gear 411 is driven to rotate, under the action of the second gear 412 and the third gear 413, the rotating rods 43 on two sides synchronously rotate, the rotation of the first bevel gear 421 is driven by the rotation of the rotating rods 43, the rotation of the second bevel gear 422 is driven, the rotation of the screw rod 54 is finally driven, the fixing plate 53 reciprocates up and down through the rotation of the screw rod 54, the rack 52 is driven to rotate, the driving gear 51 is driven to rotate, and the rotation of the protecting rod 3 is finally realized due to the fixed connection between the driving gear 51 and the protecting rod 3, the safety of construction of the worker can be sleeved on the body side of the worker.
The herringbone ladder has the technical effects that the herringbone ladder not only can ensure personal safety of constructors, has a good protection effect on the constructors, reduces the probability of careless falling injury of the constructors, but also can strengthen stability and firmness in the use process of the herringbone ladder, and is high in practicability.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (7)
1. The utility model provides a double ladder that possesses safeguard function, includes ladder frame (1), its characterized in that, two install between ladder frame (1) be used for controlling telescopic machanism (2) that ladder frame (1) opened and shut, protection pole (3) are installed on the upper portion of ladder frame (1), protection pole (3) through actuating mechanism with ladder frame (1) rotate and are connected.
2. The herringbone ladder with the protection function according to claim 1, wherein the driving mechanism comprises a linkage part (4) and two driving parts (5) for driving the protection rod (3) to rotate, and the linkage part (4) is used for driving the two driving parts (5) to synchronously move.
3. The herringbone ladder with the protection function according to claim 2, wherein the linkage part (4) comprises a first gear set (41), a second gear set (42), a rotating rod (43) and a rotating shaft (44), the rotating shaft (44) is fixedly installed at the top of the first gear set (41), the rotating rods (43) are symmetrically installed at two sides of the first gear set (41), the second gear set (42) is installed at the end parts of two rotating rods (43), and the second gear set (42) is connected with the driving part (5).
4. A herringbone ladder with a protection function according to claim 3, characterized in that the driving part (5) comprises a driving gear (51), a rack (52), a fixing plate (53) and a screw rod (54), the screw rod (54) is fixedly installed at the bottom of the second gear set (42), the screw rod (54) penetrates through the fixing plate (53) and is in threaded connection with the fixing plate (53), the rack (52) is installed at one side of the fixing plate (53), the rack (52) is meshed with the driving gear (51), and the driving gear (51) is fixedly connected with the protection rod (3) through a transmission shaft (6).
5. The herringbone ladder with the protection function according to claim 4, characterized in that the first gear set (41) comprises a first gear (411), a second gear (412) and a third gear (413), wherein the first gear (411) is fixedly connected with the rotating shaft (44), the second gear (412) and the third gear (413) are arranged in parallel and meshed with the first gear (411), and the second gear (412) and the third gear (413) are fixedly connected with the corresponding rotating rod (43); the second gear set (42) comprises a first bevel gear (421) and a second bevel gear (422), the first bevel gear (421) is meshed with the second bevel gear (422), the first bevel gear (421) is fixedly connected with the rotating rod (43), and the second bevel gear (422) is fixedly connected with the screw rod (54).
6. The herringbone ladder with the protection function according to claim 1, wherein the telescopic mechanism (2) comprises a first connecting rod (21), a second connecting rod (22) and a connecting shaft (23), the first connecting rod (21) and the second connecting rod (22) are respectively connected with the two ladder frames (1) in a rotating mode, and the first connecting rod (21) and the second connecting rod (22) are connected through the connecting shaft (23) in a rotating mode.
7. A double ladder with a protection function according to claim 3, characterized in that the top of the shaft (44) is provided with a control mechanism for controlling the rotation of the shaft (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337351.6U CN220081298U (en) | 2023-02-28 | 2023-02-28 | Double ladder with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337351.6U CN220081298U (en) | 2023-02-28 | 2023-02-28 | Double ladder with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081298U true CN220081298U (en) | 2023-11-24 |
Family
ID=88828599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320337351.6U Active CN220081298U (en) | 2023-02-28 | 2023-02-28 | Double ladder with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081298U (en) |
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2023
- 2023-02-28 CN CN202320337351.6U patent/CN220081298U/en active Active
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