CN209870476U - Ladder carrying device - Google Patents
Ladder carrying device Download PDFInfo
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- CN209870476U CN209870476U CN201920383824.XU CN201920383824U CN209870476U CN 209870476 U CN209870476 U CN 209870476U CN 201920383824 U CN201920383824 U CN 201920383824U CN 209870476 U CN209870476 U CN 209870476U
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- carrying plate
- moving wheel
- sliding block
- plate
- hydraulic press
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Abstract
The utility model discloses a ladder carrying device, which comprises a carrying plate; the lower end of the carrying plate is provided with a first moving wheel for supporting the carrying plate; the surface of the carrying plate is provided with a sliding block capable of sliding along the extending direction of the carrying plate, and a fixed block fixed on the surface of the carrying plate is arranged below the carrying plate corresponding to the sliding block; the lower end of the sliding block is provided with a supporting rod which movably penetrates through the fixed block, and the lower end of the supporting rod is provided with a second moving wheel; the technical scheme is adopted to carry goods to go upstairs, and has the characteristics of rapidness and convenience. The gravity center fluctuation is small, and the motion is stable. The working efficiency and the safety are greatly improved, the device can effectively help people reduce the labor intensity when carrying articles to go upstairs, and reduce the risk of people being injured due to fatigue, and the device has reasonable structure and convenient operation; the device has higher practical value and popularization value, and can be widely applied to the technical field of convenient and fast goods carrying.
Description
Technical Field
The utility model relates to a cargo handling technical field, concretely relates to ladder handling device.
Background
In recent years, with the increasing speed of urbanization and the increasing proportion of cities and towns in China, the floors of housing in each region are higher and higher, and the transportation of various articles is very difficult. And along with the development of the transportation service industries such as the express delivery industry, the moving industry and the like, particularly, the goods delivered by the express delivery industry are more and more diversified, a plurality of large-scale goods need to be carried, and the manpower and the freight elevator have great limitations, so that the convenient and flexible stair climbing assisting equipment is needed to complete the carrying work of the large goods.
A carrier for carrying goods comes to life, often uses in daily life, for example when carrying more or great article to go out, especially when going out far away, can help people to save strength, reduce intensity of labour, current human-powered carrier is when carrying the article and go upstairs, need the people to mention carrier and article together, however stair not only do not save strength in such a way, increased people's intensity of labour on the contrary, still increased people's injured risk simultaneously, chinese patent publication no: CN 101085621 discloses a portable semi-automatic stair climbing trolley, but the trolley has large gravity center fluctuation in the working process, unstable movement, small load capacity and difficult control.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a ladder handling device can go up obstacles such as stairs smoothly, improves cargo handling efficiency.
The utility model adopts the technical proposal that: a ladder carrying device comprises a carrying plate; the lower end of the carrying plate is provided with a first moving wheel for supporting the carrying plate; the surface of the carrying plate is provided with a sliding block capable of sliding along the extending direction of the carrying plate, and a fixed block fixed on the surface of the carrying plate is arranged below the carrying plate corresponding to the sliding block; the lower end of the sliding block is provided with a supporting rod which movably penetrates through the fixed block, and the lower end of the supporting rod is provided with a second moving wheel; a limiting table is arranged below the surface of the supporting rod corresponding to the fixed block, a telescopic spring is sleeved between the supporting rod corresponding to the limiting table and the fixed block, one end of the telescopic spring is fixed on the limiting table, and the other end of the telescopic spring is fixed on the fixed block; the second moving wheel is higher than the first moving wheel under the action of the elastic force of the telescopic spring; and a hydraulic press fixed on the object carrying plate is arranged above the object carrying plate corresponding to the sliding block, a push rod of the hydraulic press is connected with the sliding block, and when the hydraulic press is opened, the sliding block slides along the extending direction of the object carrying plate and enables the second movable wheel to be level to the first movable wheel.
In the technical scheme, the carrying plate can smoothly go up and down stairs and other obstacles after bearing load. Specifically, a sliding block arranged on the surface of the carrying plate can slide in the extending direction of the carrying plate, and the sliding block can drive the supporting rod to move along the extending direction of the carrying plate when sliding, so that the position of the second moving wheel relative to the first moving wheel can be changed; the movement of the supporting rod is mainly realized by acting force provided by a hydraulic press and a telescopic spring, a push rod of the hydraulic press is connected with a slide block, and when the hydraulic press works, the slide block can be driven to move downwards, so that the positions of the first moving wheel and the second moving wheel are equal in height; when the hydraulic press releases the pressure, the support rod moves upwards under the elastic force of the expansion spring; so that the position of the second moving wheel is higher than the position of the first moving wheel.
When the loading plate loaded with load goes upstairs, the action of going upstairs by the device provided by the technical scheme is realized by two stages according to the following mode: the first stage is as follows: the position of the second moving wheel is higher than that of the first moving wheel, so that the second moving wheel is positioned on the upper step of the position of the first moving wheel, and after the hydraulic device is started, a push rod of the hydraulic device drives the sliding block to move towards the lower part of the loading plate; the first moving wheel ascends to the position of the second moving wheel under the support of the second movement; and in the second stage, the hydraulic press is closed to release pressure, the second movable wheel rises to a step higher than the first movable wheel under the elastic force action of the telescopic spring, and the steps are circulated, so that the object carrying plate can gradually rise on the step, and smooth up and down stairs are realized.
The preferable technical scheme, its additional technical characteristics are, it has the hydraulic pressure to carry thing board upper end to articulate and adjust the pole, the handle upper end and the hydraulic pressure of hydraulic press adjust the pole and articulate and link to each other, work as when the hydraulic pressure is adjusted the pole and is rotated around articulated department, the push rod of hydraulic press can promote the slider and remove, the hydraulic press still is connected with the pressure release switch of control hydraulic press pressure release.
Therefore, when the hydraulic device is started to push the sliding block, the hydraulic adjusting rod is manually pulled to rotate, the hydraulic device is pressurized under the movement of the handle, the sliding block moves along the carrying plate, the positions of the second moving wheel and the first moving wheel are ensured to be equal in height, and the first moving wheel is enabled to ascend to the position of the upper step.
The preferable technical scheme is characterized in that dovetail grooves which are arranged along the extending direction of the object carrying plate are arranged on the surface of the object carrying plate, corresponding to the sliding blocks, and sliding rails which are matched with the dovetail grooves in a sliding mode are arranged on the surface of the sliding blocks.
Therefore, the dovetail groove can be matched with the slide rail of the slide block when sliding, so that the slide block can stably slide along the arrangement direction of the dovetail groove, and the stability of the device is improved.
The preferable technical scheme is characterized in that the limiting table is provided with a sliding boss in sliding fit with the dovetail groove.
Therefore, the stability of the support rod moving can be improved after the limiting boss of the limiting table is matched with the dovetail groove in a sliding mode.
The preferable technical scheme is characterized in that the lower end of the object carrying plate is provided with an object carrying table extending to one side far away from the second moving wheel, the end part of the object carrying table is provided with a supporting part, the supporting part extends downwards, and the bottom surface of the supporting part is provided with an anti-skid pad; when the loading plate is vertically arranged, the supporting part and the first moving wheel can vertically support the loading plate.
Like this, carry the stability that the goods placed can be improved at the stage of thing board lower extreme, and during whole device vertical layout, supporting part and first removal wheel can the stable support carry the thing board, avoid carrying the thing board and empty.
The preferable technical scheme is characterized in that detachable side wall frames are arranged on two sides of the object carrying plate in the longitudinal direction, and the end parts of the side wall frames are connected with the object carrying table in a threaded manner.
Therefore, the side frame can laterally block the goods on the loading plate from the loading plate, and the goods are prevented from falling off.
The preferable technical scheme is characterized in that a movable handle is arranged at the upper end of the loading plate, the movable handle comprises a connecting part and a holding part, the connecting part and the holding part are in smooth transition connection, and the connecting part is connected with the loading plate in a threaded manner.
The movable handle can conveniently pull the whole device, and the convenience of cargo handling is improved.
The preferable technical scheme is characterized in that the holding part extends towards one side of the loading plate provided with the sliding block, and the holding part is further sleeved with an anti-skidding sleeve.
Therefore, the anti-slip sleeve on the holding part can improve the holding friction force and improve the use safety of the whole device.
The preferable technical scheme is characterized in that a brake piece adaptive to the radian of the first moving wheel is arranged in the object carrying plate corresponding to the upper part of the first moving wheel, the brake piece can move back and forth in the extending direction of the object carrying plate, return springs are arranged on two sides of the brake piece, the brake piece can be in contact with the first moving wheel under the elastic force of the return springs, a brake wire penetrating through the object carrying plate is connected to the brake piece, the brake wire is connected with a brake handle rotatably arranged on the moving handle, and when the brake handle is rotated, the brake piece can be far away from the first moving wheel.
Therefore, the first movable wheel at the lower end of the object carrying plate can be braked through the brake wheel, the use of a user is more convenient, the brake handle can be pressed down during braking, the brake handle draws the movable sheet upwards during rotation, the movable wheel is enabled to release braking, the movable wheel can rotate, and the use completeness is improved while the user operation is facilitated.
Preferably, the brake pad is attached to a surface of the first moving wheel facing the first moving wheel by a friction layer.
Thus, the friction layer can increase the friction force between the brake pad and the first movable wheel, and the braking effect can be improved.
The utility model has the advantages that: compared with the prior art, this technical scheme compares with prior art, adopts this technical scheme transport goods to go up stairs and has quick, convenient characteristics. The gravity center fluctuation is small, and the motion is stable. The working efficiency and the safety are greatly improved, the device can effectively help people reduce the labor intensity when carrying articles to go upstairs, and reduce the risk of people being injured due to fatigue, and the device has reasonable structure and convenient operation; the device has higher practical value and popularization value, and can be widely applied to the technical field of convenient and fast goods carrying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic use view 1 of a ladder transportation device according to an embodiment.
Fig. 2 is a schematic use view of the stair transporting apparatus according to an embodiment of the present invention.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.
Referring to fig. 1 to 2, fig. 1 is a cross-sectional view of an evaporation cylinder of a ladder conveying device according to an embodiment; fig. 2 is a perspective view of an evaporation cylinder of the ladder conveying device according to an embodiment. In fig. 1 to 2, the respective reference numerals denote the following meanings; the device comprises a carrying plate 1, a first moving wheel 2, a sliding block 3, a supporting rod 4, a hydraulic press 5, a push rod 501, a handle 502, a second moving wheel 6, a fixed block 7, a limiting table 8, a brake handle 9, a brake wire 10, a moving handle 11, a pressure relief switch 12, a hydraulic adjusting rod 13, an expansion spring 14, an anti-slip sleeve 15, a carrying boss 16, a supporting part 17, a brake piece 18, a return spring 19 and a side wall frame 20.
As shown in fig. 1 and fig. 2, in an embodiment, the present invention provides a ladder transporting device, which includes a carrying plate 1, wherein the carrying plate 1 can smoothly go up and down stairs and other obstacles after carrying a load. The lower end of the loading plate 1 is provided with a first moving wheel 2 for supporting the loading plate 1; in this embodiment, the number of the first moving wheels 2 is two, and the first moving wheels are located on two sides of the lower end of the object carrying plate 1. The surface of the carrying plate 1 is provided with a sliding block 3 which can slide along the extending direction of the carrying plate 1, and a fixed block 7 fixed on the surface of the carrying plate 1 is arranged below the carrying plate 1 corresponding to the sliding block 3; the lower end of the sliding block 3 is provided with a supporting rod 4 which movably penetrates through a fixed block 7, and the lower end of the supporting rod 4 is provided with a second moving wheel 6; a limiting table 8 is arranged below the surface of the supporting rod 4 corresponding to the fixing block 7, a telescopic spring 14 is sleeved between the supporting rod 4 corresponding to the limiting table 8 and the fixing block 7, one end of the telescopic spring 14 is fixed on the limiting table 8, and the other end of the telescopic spring is fixed on the fixing block 7; the second moving wheel 6 is higher than the first moving wheel 2 under the action of the elastic force of the telescopic spring 14; the hydraulic press 5 fixed on the object carrying plate 1 is arranged above the object carrying plate 1 corresponding to the sliding block 3, a push rod 501 of the hydraulic press 5 is connected with the sliding block 3, and when the hydraulic press 5 is opened, the sliding block 3 slides along the extending direction of the object carrying plate 1 and enables the second moving wheel 6 to be level with the first moving wheel 2. The slide block 3 arranged on the surface of the object carrying plate 1 can slide in the extending direction of the object carrying plate 1, and the slide block 3 can drive the support rod 4 to move along the extending direction of the object carrying plate 1 when sliding, so that the position of the second moving wheel 6 relative to the first moving wheel 2 can be changed; the movement of the support rod 4 is mainly realized by acting force provided by the hydraulic press 5 and the extension spring 14, the push rod 501 of the hydraulic press 5 is connected with the slide block 3, and when the hydraulic press 5 works, the slide block 3 can be driven to move downwards, so that the positions of the first moving wheel 2 and the second moving wheel 6 are equal in height; when the hydraulic press 5 releases the pressure, the support rod 4 moves upwards under the action of the elastic force of the expansion spring 14; so that the position of the second moving wheel 6 is higher than the position of the first moving wheel 2.
As shown in fig. 1 and 2, when the loading plate 1 loaded with load goes up stairs, the action of going up a stair step by the device provided by the technical scheme is realized in two stages in the following way: the first stage is as follows: the position of the second moving wheel 6 is higher than that of the first moving wheel 2, so that the second moving wheel 6 is positioned on the upper step of the position of the first moving wheel 2, and after the hydraulic device 5 is started, the push rod 501 of the hydraulic device 5 drives the slide block 3 to move towards the lower part of the loading plate 1; supported by the second movement, the first moving wheel 2 is raised to the position of the second moving wheel 6; and in the second stage, the hydraulic press 5 is closed, the hydraulic press 5 is depressurized, the second movable wheel 6 rises to a step higher than the first movable wheel 2 under the elastic force of the telescopic spring 14, and the loading plate 1 can gradually rise on the step by circulating the steps, so that the purpose of smoothly going upstairs and downstairs is achieved.
As shown in fig. 1 and fig. 2, in this embodiment, the hydraulic press 5 is a hydraulic lifting device commonly used in the prior art, and specifically, according to a required specification and model, in order to facilitate the operation control of the hydraulic press 5, in this embodiment, the upper end of the carrying plate 1 is hinged with a hydraulic adjusting rod 13, the upper end of a handle 502 of the hydraulic press 5 is hinged to the hydraulic adjusting rod 13, when the hydraulic adjusting rod 13 rotates around the hinged portion, a push rod 501 of the hydraulic press 5 can push the slider 3 to move, and the hydraulic press 5 is further connected with a pressure relief switch 502 for controlling the pressure relief of the hydraulic press 5. When the hydraulic device 5 is started to push the sliding block 3, the hydraulic adjusting rod 13 is manually pulled to rotate, the hydraulic device 5 is pressurized under the movement of the handle 502, the sliding block 3 moves along the loading plate 1, the second moving wheel 6 is ensured to be equal to the first moving wheel 2 in height, and the first moving wheel 2 is lifted to the position of the upper step.
As shown in fig. 1 and 2, the surface of the object carrying plate 1 corresponding to the slide block 3 is provided with a dovetail groove arranged along the extending direction of the object carrying plate 1, and the surface of the slide block 3 is provided with a slide rail slidably matched with the dovetail groove. The dovetail groove can be matched with the slide rail of the slide block 3 when sliding, so that the slide block 3 can stably slide along the arrangement direction of the dovetail groove, the stability of the device is improved, the slide block 3 can be prevented from falling off by adopting the arrangement mode of the dovetail groove, and the use safety of the device is improved.
As shown in fig. 1 and 2, the limiting table 8 is provided with a sliding boss which is in sliding fit with the dovetail groove. The stability that bracing piece 4 removed can be improved to spacing boss of spacing platform 8 and dovetail when joining in marriage the back when sliding.
As shown in fig. 1 and 2, the lower end of the object carrying plate 1 is provided with an object carrying table extending to the side far away from the second moving wheel 6, the end part of the object carrying table is provided with a supporting part 17, the supporting part 17 extends downwards, and the bottom surface of the supporting part 17 is provided with an anti-skid pad; when the carrier plate 1 is arranged vertically, the supporting portion 17 and the first moving wheel 2 can vertically support the carrier plate 1. Carry the stability that the goods placed can be improved at the stage of thing board 1 lower extreme, and during whole device vertical layout, supporting part 17 and first removal wheel 2 can the stable support carry thing board 1, avoid carrying thing board 1 and empty.
As shown in fig. 1 and fig. 2, in order to fix the goods placed on the object carrying plate 1, detachable side wall frames 20 are arranged on both sides of the object carrying plate 1 in the longitudinal direction, and the end parts of the side wall frames 20 are connected with the object carrying table in a threaded manner. The side wall frame 20 can laterally block the goods on the loading plate 1 from the loading plate 1 to avoid the goods from falling off, and when the side wall frame 20 is not used or carries large-sized goods, the side wall frame 20 can be detached from the loading plate 1, so that the goods with large specifications can be conveniently stored or placed.
As shown in fig. 1 and 2, the upper end of the object carrying plate 1 is provided with a movable handle 11, the movable handle 11 comprises a connecting part and a holding part, the connecting part and the holding part are in smooth transition connection, and the connecting part is connected with the object carrying plate 1 in a threaded manner. Remove handle 11 and can conveniently stimulate whole device, improve the convenience of cargo handling.
As shown in fig. 1 and 2, the holding portion extends toward the side of the loading plate 1 where the sliding block 3 is disposed, and the holding portion is further sleeved with an anti-slip sleeve 15. The anti-skid sleeve 15 on the holding part can improve the holding friction force and improve the use safety of the whole device.
As shown in fig. 1 and 2, a brake piece 18 corresponding to the radian of the first moving wheel 2 is arranged in the object carrying plate 1 above the first moving wheel 2, the brake piece 18 can move back and forth in the extending direction of the object carrying plate 1, return springs 19 are arranged on two sides of the brake piece 18, the brake piece 18 can contact with the first moving wheel 2 under the elastic force of the return springs 19, a brake wire 10 penetrating through the object carrying plate 1 is connected to the brake piece 18, the brake wire 10 is connected with a brake handle 9 rotatably arranged on a moving handle 11, and when the brake handle 9 is rotated, the brake piece 18 can be far away from the first moving wheel 2. The first movable wheel 2 at the lower end of the object carrying plate 1 can be braked by the brake wheel, so that the use is more convenient for a user, the brake handle 9 can be pressed down during braking, the brake handle 9 can be pulled up to the brake sheet 18 during rotation, the brake of the movable wheel is released, the movable wheel can be rotated, and the operation is convenient for the user while the use completeness is improved. The brake lining 18 is provided with a friction layer on the surface facing the first moving wheel 2. The friction layer can increase the friction between the brake pad 18 and the first moving wheel 2, thereby improving the braking effect.
In the specification of the present invention, a large number of specific details are explained. It can be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art will be able to combine and combine various embodiments or examples and features of various embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A ladder handling device characterized in that: comprises a carrier plate (1); the lower end of the loading plate (1) is provided with a first moving wheel (2) for supporting the loading plate (1);
the surface of the carrying plate (1) is provided with a sliding block (3) capable of sliding along the extending direction of the carrying plate (1), and a fixed block (7) fixed on the surface of the carrying plate (1) is arranged below the carrying plate (1) corresponding to the sliding block (3); the lower end of the sliding block (3) is provided with a support rod (4) which movably penetrates through a fixed block (7), and the lower end of the support rod (4) is provided with a second moving wheel (6); a limiting table (8) is arranged below the surface of the supporting rod (4) corresponding to the fixing block (7), a telescopic spring (14) is sleeved between the supporting rod (4) corresponding to the limiting table (8) and the fixing block (7), one end of the telescopic spring (14) is fixed on the limiting table (8), and the other end of the telescopic spring is fixed on the fixing block (7); the second moving wheel (6) is higher than the first moving wheel (2) under the action of the elastic force of the telescopic spring (14);
the hydraulic press (5) fixed on the object carrying plate (1) is arranged above the object carrying plate (1) corresponding to the sliding block (3), a push rod (501) of the hydraulic press (5) is connected with the sliding block (3), and when the hydraulic press (5) is opened, the sliding block (3) slides along the extending direction of the object carrying plate (1) and enables the second moving wheel (6) to be level with the first moving wheel (2).
2. A stair handling apparatus according to claim 1 wherein:
carry thing board (1) upper end and articulate there is hydraulic pressure to adjust pole (13), handle (502) upper end and the articulated continuous of hydraulic pressure regulation pole (13) of hydraulic press (5) work as when hydraulic pressure regulation pole (13) rotate around articulated department, push rod (501) of hydraulic press (5) can promote slider (3) and remove, hydraulic press (5) still are connected with pressure release switch (12) of control hydraulic press (5) pressure release.
3. A stair handling apparatus according to claim 1 wherein:
the surface that carries thing board (1) correspondence and be equipped with slider (3) is equipped with along carrying the dovetail that thing board (1) extending direction arranged, slider (3) surface is equipped with the slide rail with dovetail sliding adaptation.
4. A stair handling apparatus according to claim 3 wherein:
the limiting table (8) is provided with a sliding boss matched with the dovetail groove in a sliding mode.
5. A stair handling apparatus according to claim 1 wherein:
the lower end of the object carrying plate (1) is provided with an object carrying table extending to one side far away from the second moving wheel (6), the end part of the object carrying table is provided with a supporting part (17), the supporting part (17) extends downwards, and the bottom surface of the supporting part (17) is provided with an anti-skid pad; when the carrier plate (1) is vertically arranged, the supporting portion (17) and the first moving wheel (2) can vertically support the carrier plate (1).
6. The stair handling apparatus of claim 5 wherein:
the long-direction both sides of objective plate (1) are equipped with detachable side wall frame (20), side wall frame (20) tip and objective table are gone up the spiro union and are linked to each other.
7. A stair handling apparatus according to claim 1 wherein:
carry thing board (1) upper end and remove handle (11), remove handle (11) including connecting portion and portion of gripping, smooth transition is connected between connecting portion and the portion of gripping, connecting portion link to each other with carrying thing board (1) spiro union.
8. The stair handling apparatus of claim 7 wherein:
the holding part extends towards one side of the object carrying plate (1) provided with the sliding block (3), and the holding part is further sleeved with an anti-skidding sleeve (15).
9. A stair handling apparatus according to claim 1 wherein:
the carrying plate (1) is internally provided with a brake pad (18) corresponding to the radian of the first moving wheel (2) above the first moving wheel (2), the brake pad (18) can move back and forth in the extending direction of the carrying plate (1), two sides of the brake pad (18) are provided with return springs (19), the brake pad (18) can be in contact with the first moving wheel (2) under the elastic force action of the return springs (19), the brake pad (18) is connected with a brake wire (10) penetrating through the carrying plate (1), the brake wire (10) is connected with a brake handle (9) rotatably arranged on the moving handle (11), and when the brake handle (9) is rotated, the brake pad (18) can be far away from the first moving wheel (2).
10. A stair handling apparatus according to claim 9 wherein:
the surface of the brake block (18) opposite to the first moving wheel (2) is pasted with a friction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383824.XU CN209870476U (en) | 2019-03-25 | 2019-03-25 | Ladder carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383824.XU CN209870476U (en) | 2019-03-25 | 2019-03-25 | Ladder carrying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209870476U true CN209870476U (en) | 2019-12-31 |
Family
ID=68956509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920383824.XU Expired - Fee Related CN209870476U (en) | 2019-03-25 | 2019-03-25 | Ladder carrying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209870476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498447A (en) * | 2020-12-15 | 2021-03-16 | 刘春兰 | Sliding type cement cart capable of going upstairs and stirring |
-
2019
- 2019-03-25 CN CN201920383824.XU patent/CN209870476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498447A (en) * | 2020-12-15 | 2021-03-16 | 刘春兰 | Sliding type cement cart capable of going upstairs and stirring |
| CN112498447B (en) * | 2020-12-15 | 2022-09-30 | 内蒙古荣晖建设有限公司 | Sliding type cement cart capable of going upstairs and stirring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |