CN218493535U - Side protection with extension ladder - Google Patents
Side protection with extension ladder Download PDFInfo
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- CN218493535U CN218493535U CN202222546490.8U CN202222546490U CN218493535U CN 218493535 U CN218493535 U CN 218493535U CN 202222546490 U CN202222546490 U CN 202222546490U CN 218493535 U CN218493535 U CN 218493535U
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- 230000007246 mechanism Effects 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a side protection with an extension ladder, belonging to the technical field of vehicle side protection, wherein the side protection is detachably connected with the extension ladder; the side protection is provided with a threaded hole, the threaded hole is in threaded connection with a longitudinal U-shaped connecting plate, two ends of the longitudinal U-shaped connecting plate are respectively provided with a transverse U-shaped connecting plate, and the transverse U-shaped connecting plates are connected with the bottom of the extension ladder through bolts. The utility model discloses a special crane, the cargo vehicle design that has the side protection forms, and this scheme adds the extension ladder that can dismantle the connection for the vehicle side protection, and the stability of installing the extension ladder on the side protection is good, need not to arrange the staff additionally again and holds up, and labour saving and time saving saves artifically.
Description
Technical Field
The utility model relates to a vehicle side protection technical field, concretely relates to install side protection of extension ladder.
Background
With the high-speed development of economy, a lot of mechanical equipment is bigger and bigger, such as cranes, trucks and the like, wherein the cranes are commonly known as cranes, and the cranes are hoisting machines and are machines which do cyclic and intermittent motion; cargo vehicles, commonly referred to as trucks, also known as lorries, refer to vehicles primarily used for transporting cargo, and sometimes to vehicles that can tow other vehicles, and are a category of commercial vehicles.
Crane, cargo vehicle are bulky, and work efficiency is high, but because bulky, when the later stage overhauls, just need just can overhaul with the help of the ladder, for placing of ladder stably, except that the maintainer, still need other staff to hold the ladder, guarantee maintainer's safety on the ladder, waste time and energy and take the manual work relatively.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a side protection device with an extension ladder; this install side protection of extension ladder is that crane, the cargo vehicle design of special for having the side protection forms, and this scheme adds the extension ladder that can dismantle the connection for vehicle side protection, and the stability of installing the extension ladder on the side protection is good, need not to arrange the staff additionally again and holds up, and labour saving and time saving saves artifically.
In order to solve the technical problem, the utility model provides a side guard provided with an extension ladder, which is detachably connected with the extension ladder; the side protection is provided with a threaded hole, the threaded hole is in threaded connection with a vertical U-shaped connecting plate, two ends of the vertical U-shaped connecting plate are respectively provided with a transverse U-shaped connecting plate, and the transverse U-shaped connecting plates are connected with the bottom of the extension ladder through bolts.
In the further improvement of the utility model, the extension ladder comprises a plurality of ladder posts which are sequentially sleeved in a sliding manner, the sleeved positions of adjacent ladder posts are provided with post sleeves, and the post sleeves are connected with ladder plates; the ladder board is provided with a knob mechanism, the knob mechanism comprises a knob which is rotatably installed at the bottom of the ladder board and a brace which is movably hooked with the knob, the brace is movably hooked with a limiting pin mechanism, and the limiting pin mechanism is detachably connected with a pin sleeve and an upper ladder post and a lower ladder post which are adjacent to each other in a vertically-detachable mode respectively.
Through the design, the telescopic ladder can be more conveniently realized by the scheme.
The utility model discloses in the further improvement, the bottom of above-mentioned step is provided with rotates the erection column of being connected with the knob, and the erection column is provided with the spacing groove on protruding in the end of knob, and the spacing inslot joint has the retaining ring.
Through the design, the knob can be more conveniently rotated.
The utility model discloses in the further improvement, the top of above-mentioned ladder post is provided with the installation cover that cup joints with the column casing, is provided with the slot on the lateral wall of installation cover, is provided with the inserted sheet of pegging graft with the slot on the inside wall of column casing.
Through the design, the column sleeve can be more conveniently installed.
The utility model discloses in the further improvement, seted up the column jacket connecting hole on above-mentioned column jacket, seted up the head end connecting hole on the installation sleeve, the trailing end connecting hole has been seted up to the tail end of ladder post, spacing pin mechanism can dismantle with column jacket connecting hole, head end connecting hole and trailing end connecting hole in proper order and peg graft.
Through the design, after the extension ladder is stretched, the adjacent ladder posts are limited to move.
In the further improvement of the utility model, the limit pin mechanism comprises a pin movably hooked with the brace, a pin sleeve slidingly sleeved with the pin and a return spring positioned in the pin sleeve and sleeved with the pin; an outer flange is arranged on the pin, an inner flange extends inwards from the port of the pin sleeve, and the return spring is positioned between the outer flange and the inner flange.
Through the design, the stretching and retraction of the limiting pin mechanism can be more conveniently realized by the scheme.
The utility model discloses in the further improvement, above-mentioned pin bush and the welding of column jacket connecting hole, the pin can be dismantled with column jacket connecting hole, head end connecting hole and trailing end connecting hole in proper order and peg graft.
Through the design, the pin in the pin sleeve can more conveniently pass through the pin sleeve connecting hole, the head end connecting hole and the tail end connecting hole in sequence, and then the adjacent ladder posts are limited to move.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a special crane, the cargo vehicle design that has the side protection forms, and this scheme adds the extension ladder that can dismantle the connection for the vehicle side protection, and the stability of installing the extension ladder on the side protection is good, need not to arrange the staff additionally again and holds up, and labour saving and time saving saves artifically.
Drawings
To more clearly illustrate the background art or the technical solution of the present invention, the drawings used in conjunction with the prior art or the detailed description are briefly described below; obviously, the structure, proportion, size, etc. shown in the drawings are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
Fig. 1 is a first view structural diagram of an embodiment of the present invention.
Fig. 2 is a second view structure diagram according to an embodiment of the present invention.
Fig. 3 is a schematic view of an extension ladder according to an embodiment of the present invention.
Fig. 4 is an exploded view of the knob mechanism and the limit pin mechanism according to the embodiment of the present invention.
Fig. 5 is a schematic view of a use state of the crane according to the embodiment of the present invention.
Fig. 6 is a schematic view of a use state of the present invention when the present invention is mounted on a cargo vehicle.
Shown in the figure: 1-side protection; 2-an extension ladder; 3-longitudinal U-shaped connecting plates; 4-a transverse U-shaped connecting plate; 5-a bolt; 6-ladder posts; 61-connecting the tail end with a hole; 62-a limit sleeve; 7-column sleeve; 71-an insert sheet; 72-column sleeve connecting hole; 8-a step plate; 9-mounting a column; 10-a limiting groove; 11-a knob; 12-a retainer ring; 13-bracing; 14-mounting a sleeve; 141-slot; 142-a head end connection hole; 15-pin; 151-outer flange; 16-pin bushings; 161-inner flange; 17-return spring.
Detailed Description
In order to make the technical solution in the present invention better understand, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by the person skilled in the art without creative work should belong to the protection scope of the present invention.
Meanwhile, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, referred to in the present specification, refer to the orientation or positional relationship indicated on the drawings, and are only for convenience of description and simplification of description, but 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, and therefore, it is not understood as a limitation of the present invention, and a change or adjustment of the relative relationship thereof, without substantial technical change, should be considered as a practicable scope of the present invention.
Meanwhile, in the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other, and a person skilled in the art can understand the specific meaning of the above terms in the present invention through specific situations.
As shown in fig. 1-6, a side guard is provided with a telescopic ladder, wherein the side guard 1 is detachably connected with a telescopic ladder 2; the side protection device is characterized in that a threaded hole is formed in the side protection 1, a longitudinal U-shaped connecting plate 3 is connected to the threaded hole in a threaded mode, transverse U-shaped connecting plates 4 are arranged at two ends of the longitudinal U-shaped connecting plate 3 respectively, and the transverse U-shaped connecting plates 4 are connected with the bottom of the extension ladder 2 through bolts 5.
The longitudinal U-shaped connecting plate 3 and the transverse U-shaped connecting plate 4 are formed by welding or are integrally cut, bent and formed by steel plates.
Crane, cargo vehicle are bulky, and work efficiency is high, but because bulky, when the later stage overhauls, just need just can overhaul with the help of the ladder, for placing of ladder stably, except that the maintainer, still need other staff to hold the ladder, guarantee maintainer's safety on the ladder, waste time and energy and take the manual work relatively.
Therefore, the design concept of the present application is to add the extension ladder 300 for the crane 100 and the truck 200 with side protection, so that the extension ladder 300 can be installed on the side protection during maintenance, and can be used for the maintenance personnel to climb after extending out, and after the maintenance is finished, the extension ladder 300 can be retracted and disassembled, so that the use is very convenient, as shown in fig. 5 and 6.
The telescopic ladder 2 comprises a plurality of ladder posts 6 which are sequentially sleeved in a sliding mode, a post sleeve 7 is arranged at the sleeved position of the adjacent ladder posts 6, and the post sleeve 7 is connected with a ladder plate 8; the ladder board 8 is provided with a knob mechanism, the knob mechanism comprises a knob 11 rotatably mounted at the bottom of the ladder board 8 and a brace 13 movably hooked with the knob 11, the brace 13 is movably hooked with a limiting pin mechanism, and the limiting pin mechanism is detachably connected with the column sleeve 7 and the vertically adjacent ladder posts 6 respectively.
The ladder posts 6 are sequentially sleeved from bottom to top, the top of the ladder post positioned below extends inwards to form a square flange, the bottom of the ladder post positioned above is provided with a limiting sleeve 62, and when the ladder post positioned above slides upwards, the limiting sleeve 62 is clamped by the square flange of the ladder post positioned below, so that the ladder post positioned above is prevented from being separated from the ladder post positioned below; the column sleeves 7 are welded with the step plates 8; brace 13 adopts thin billet (the diameter is 3mm roughly) to bend and forms, during the use, bends into the hook respectively with the both ends of thin billet, then articulates knob 11 and pin 15 respectively, and the hook is more loose, can be on knob 11 and pin 15 nimble activity, more be convenient for draw and drag pin 15.
The bottom of the ladder board 8 is provided with a mounting column 9 rotatably connected with a knob 11, the end of the mounting column 9 protruding from the knob 11 is provided with a limiting groove 10, and a check ring 12 is clamped in the limiting groove 10.
During the use, the erection column 9 welds in the bottom of riser 8, sets up spacing groove 10 on the end of erection column 9, and knob 11 cup joints back on erection column 9, with retaining ring 12 joint income spacing groove 10 in, knob 11 can be free rotation on erection column 9, because retaining ring 12's restriction, knob 11 can not break away from erection column 9.
Wherein, the top of ladder post 6 is provided with the installation cover 14 that cup joints with column casing 7, is provided with slot 141 on the lateral wall of installation cover 14, is provided with the inserted sheet 71 of pegging graft with slot 141 on the inside wall of column casing 7.
When the column sleeve 7 is used, the column sleeve 7 is sleeved on the installation sleeve 14, at the moment, the insertion sheet 71 is inserted into the insertion groove 141, and the connection between the column sleeve 7 and the installation sleeve 14 is fixed.
The column sleeve 7 is provided with a column sleeve connecting hole 72, the mounting sleeve 14 is provided with a head end connecting hole 142, the tail end of the ladder column 6 is provided with a tail end connecting hole 61, and the limiting pin mechanism is detachably connected with the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61 in sequence.
When the limiting pin mechanism is used, the limiting pin mechanism can be detachably inserted into the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61, and the purpose of limiting the movement of the upper ladder column and the lower ladder column is achieved.
The limiting pin mechanism comprises a pin 15 movably hooked with the pull strip 13, a pin sleeve 16 in sliding sleeve connection with the pin 15 and a return spring 17 which is positioned in the pin sleeve 16 and is in sleeve connection with the pin 15; the pin 15 is provided with an outer flange 151, a port of the pin sleeve 16 extends inwards to form an inner flange 161, and the return spring 17 is positioned between the outer flange 151 and the inner flange 161.
When the device is used, the knob 11 is screwed, the brace 13 pulls the pin 15, the outer flange 151 and the inner flange 161 of the return spring 17 are in a compressed state, the pin 15 is pulled down and sequentially separated from the tail end connecting hole 61, the head end connecting hole 142 and the column sleeve connecting hole 72, and the upper ladder column and the lower ladder column can slide up and down without limitation; when the knob 11 is released, the pin 15 enters the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61 in sequence under the resilience action of the return spring 17, and the upper and lower ladder posts are fixed and cannot slide up and down.
The pin sleeve 16 is welded with the column sleeve connecting hole 72, and the pin 15 is detachably inserted into the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61 in sequence.
In use, the pin 15 is inserted into the sleeve connecting hole 72, the head connecting hole 142 and the tail connecting hole 61 in sequence from the pin sleeve 16.
When the telescopic ladder is stretched, the knob 11 is screwed by one hand, the brace 13 pulls the pin 15, the outer flange 151 and the inner flange 161 of the return spring 17 are in a compressed state, the pin 15 is sequentially separated from the tail end connecting hole 61, the head end connecting hole 142 and the column sleeve connecting hole 72 under the pulling of the pin, no limitation is caused between the upper ladder column and the lower ladder column, the upper ladder column is stretched upwards by the other hand, and the stretching is finished; the knob 11 is released, the pin 15 enters the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61 in sequence under the resilience action of the return spring 17, the upper ladder column and the lower ladder column are fixed, the upper ladder column and the lower ladder column cannot slide up and down, and the extension ladder is completely stretched.
When the extension ladder is retracted, the knob 11 is screwed by one hand, the upper ladder post is pressed by the other hand, the upper ladder post is pressed into the lower ladder post, then the knob 11 is released, the pin 15 enters the column sleeve connecting hole 72, the head end connecting hole 142 and the tail end connecting hole 61 again, and the extension ladder is retracted completely.
Although the present invention has been described in detail with reference to the drawings and preferred embodiments, the present invention is not limited thereto, and those skilled in the art can make various equivalent modifications or substitutions on the embodiments of the present invention without departing from the spirit and substance of the present invention, and these modifications or substitutions should be within the scope of the present invention/any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the appended claims.
Claims (7)
1. The side protection with the extension ladder is characterized in that the side protection (1) is detachably connected with the extension ladder (2); the side protection device is characterized in that a threaded hole is formed in the side protection device (1), the threaded hole is in threaded connection with a vertical U-shaped connecting plate (3), two ends of the vertical U-shaped connecting plate (3) are respectively provided with a transverse U-shaped connecting plate (4), and the transverse U-shaped connecting plate (4) is connected with the bottom of the extension ladder (2) through a bolt (5).
2. The side protection with the telescopic ladder as claimed in claim 1, wherein the telescopic ladder (2) comprises a plurality of ladder posts (6) which are sequentially slidably sleeved, a post sleeve (7) is arranged at the sleeved position of the adjacent ladder posts (6), and the ladder plate (8) is connected with the post sleeve (7); be provided with knob mechanism on step (8), knob mechanism installs in knob (11) of step (8) bottom and brace (13) with knob (11) activity hookup including rotating, brace (13) activity hookup have spacing pin mechanism, and spacing pin mechanism can dismantle respectively with post cover (7), upper and lower adjacent ladder post (6) and peg graft.
3. The side guard provided with the extension ladder as claimed in claim 2, wherein the bottom of the ladder plate (8) is provided with a mounting post (9) rotatably connected with the knob (11), the end of the mounting post (9) protruding out of the knob (11) is provided with a limiting groove (10), and a check ring (12) is clamped in the limiting groove (10).
4. The side protection with the extension ladder as claimed in claim 2, wherein the top of the ladder post (6) is provided with a mounting sleeve (14) sleeved with the post sleeve (7), the outer side wall of the mounting sleeve (14) is provided with a slot (141), and the inner side wall of the post sleeve (7) is provided with an insert (71) inserted into the slot (141).
5. The side protection with the extension ladder as claimed in claim 4, wherein the column sleeve (7) is provided with a column sleeve connecting hole (72), the mounting sleeve (14) is provided with a head end connecting hole (142), the tail end of the ladder column (6) is provided with a tail end connecting hole (61), and the limit pin mechanism is detachably inserted in the column sleeve connecting hole (72), the head end connecting hole (142) and the tail end connecting hole (61) in sequence.
6. The side guard with the telescopic ladder installed thereon as claimed in claim 5, wherein the limit pin mechanism comprises a pin (15) movably hooked with the brace (13), a pin sleeve (16) slidably sleeved with the pin (15), and a return spring (17) positioned in the pin sleeve (16) and sleeved with the pin (15); an outer flange (151) is arranged on the pin (15), an inner flange (161) extends inwards from the port of the pin sleeve (16), and the return spring (17) is located between the outer flange (151) and the inner flange (161).
7. The side protection with the extension ladder as claimed in claim 6, wherein the pin sleeve (16) is welded to the column sleeve connection hole (72), and the pin (15) is detachably inserted into the column sleeve connection hole (72), the head end connection hole (142) and the tail end connection hole (61) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222546490.8U CN218493535U (en) | 2022-09-26 | 2022-09-26 | Side protection with extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222546490.8U CN218493535U (en) | 2022-09-26 | 2022-09-26 | Side protection with extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493535U true CN218493535U (en) | 2023-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222546490.8U Active CN218493535U (en) | 2022-09-26 | 2022-09-26 | Side protection with extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493535U (en) |
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2022
- 2022-09-26 CN CN202222546490.8U patent/CN218493535U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Bo Inventor after: Xu Hu Inventor after: Jia Xiaojie Inventor after: Zhang Yanlei Inventor after: Gong Peixuan Inventor after: Sun Yan Inventor after: Qu Boye Inventor after: Zhang Jingquan Inventor after: Li Yongbing Inventor before: Ma Bo Inventor before: Gong Peixuan Inventor before: Sun Yan Inventor before: Zhang Jingquan Inventor before: Li Yongbing |
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| CB03 | Change of inventor or designer information |