CN208617258U - A kind of vertical steel ladder protective device of tower crane - Google Patents
A kind of vertical steel ladder protective device of tower crane Download PDFInfo
- Publication number
- CN208617258U CN208617258U CN201821233477.4U CN201821233477U CN208617258U CN 208617258 U CN208617258 U CN 208617258U CN 201821233477 U CN201821233477 U CN 201821233477U CN 208617258 U CN208617258 U CN 208617258U
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- Prior art keywords
- fork
- fixedly connected
- connecting plate
- protective device
- vertical steel
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Abstract
The utility model discloses a kind of vertical steel ladder protective devices of tower crane, are related to tower crane appliance technology.The utility model includes connecting plate and fixed plate, one surface of connecting plate, which is run through, protective device, connecting plate and fixed plate two sides are fixedly connected to ring set, connecting plate and fixed plate are fixedly connected to fixed block with respect to a surface, one surface of fixed block is fixedly connected with pin bushing, protective device includes fork, fork one side offers sliding slot compatible with sliding rail, fork week, side was slidably connected by sliding slot and pin bushing inner surface, one surface of fork is fixedly connected with a connecting rod, connecting rod side surface cover is equipped with spring, spring one end is fixedly connected with fork, the utility model passes through the mutual cooperation of fork and spring, when climbing vertical steel ladder, fork, which can be shunk, springs back and blocks, it falls when can prevent scaler from slipping, have the advantages that improving vertical steel ladder climbs safety.
Description
Technical field
The utility model relates to tower crane appliance technology, the vertical steel ladder protective device of specially a kind of tower crane.
Background technique
Tower crane is a kind of most common lifting equipment also known as derrick crane on construction site, for hanging working steel
The raw material of the constructions such as muscle, wooden flute, concrete, steel pipe.Tower crane is a kind of essential equipment on building site, is entirely to build
Most crucial strength in journey, small to one reinforcing bar arrive greatly tens of tons of heavy steelframes, and all construction materials will be hung down by tower crane
Directly transport high altitude operation face.And from ground to tower crane platform, construction elevator is first taken, stair of going further also are used both hands and feet and climbed
One section of vertical steel ladder is climbed, distance time-consuming will be about 20 minutes points, and climbing process safety is low and climbing speed is slow.
The climbing work of vertical steel ladder at this stage is all climbed using erection rope, and highwire, which is set up, completes tool
There is certain difficulty, a large amount of manpower and material resources can be expended, and climbing person is cumbersome in the process for connecting and releasing safety line, makes
The time that work consuming must be climbed further extends, therefore the vertical steel ladder protective device for being suitable for tower crane is those skilled in the art
Member's technical issues that need to address.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of vertical steel ladder protective device of tower crane, passes through bolt
The mutual cooperation of head and spring, when climbing vertical steel ladder, fork, which can be shunk, springs back and blocks, and can prevent scaler from losing
It falls when sufficient, solves the problems, such as that safety is low when the climbing of vertical steel ladder；By the fixed structure of bolt, fixed plate can be completed
With the quick fixation of connecting plate, protective device structure is simple, facilitates installation and removal, solves the vertical existing protection of steel ladder and arranges
It applies and is laid with cumbersome problem.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of vertical steel ladder of tower crane is anti-
Protection unit, including connecting plate and fixed plate, one surface of connecting plate, which is run through, protective device, the connecting plate and fixed plate two
Side is fixedly connected to ring set；
The connecting plate and fixed plate are fixedly connected to fixed block with respect to a surface, and one surface of fixed block is fixed to be connected
It is connected to pin bushing；The pin bushing inner surface close to connecting plate side is fixedly connected with a sliding rail；
The protective device includes fork, and the fork one side offers sliding slot compatible with sliding rail, described
Fork week, side was slidably connected by sliding slot and pin bushing inner surface, and one surface of fork is fixedly connected with a connection
Bar, connecting rod side surface cover are equipped with spring, and the spring one end is fixedly connected with fork, the spring other end and company
Fishplate bar is fixedly connected.
Further, the ring set one side is fixedly connected with a connection piece, there are two one surface of connector opens up
Mounting hole.
Further, described connecting rod one end sequentially passes through fixed block, connecting plate and the outside for extending to connecting plate, institute
It states one end that connecting rod is located on the outside of connecting plate and is fixedly connected with limit plate, one surface of limit plate is fixedly connected with pull ring.
Further, the side on the fork inclined-plane is slidably connected with the pin bushing inner surface close to fixed plate side.
Further, the inner surface radius of the ring set is 70mm, and the length and width of the connecting plate and fixed plate are equal
For 400mm, the length and width of the fixed block are 150mm, and the pin bushing outer surface diameter is 100mm.
The utility model has the following beneficial effects:
1, the vertical steel ladder protective device of the tower crane, through the mutual cooperation of fork and spring, when climbing vertical steel ladder
Fork, which can be shunk, to be sprung back and blocks, and is fallen when can prevent scaler from slipping, and is had and is improved vertical steel ladder climbing safety
The advantages of.
2, the vertical steel ladder protective device of the tower crane can complete fixed plate and connecting plate by the fixed structure of bolt
Quickly fixed, protective device structure is simple, facilitates installation and removal, has the advantages that simplify vertical steel ladder safeguard measure.
3, the vertical steel ladder protective device of the tower crane leads to scaler by the mutual cooperation of pull ring and connecting rod
The sliding for crossing rope control fork achievees the purpose that protective device declines, scaler is facilitated to climb downwards, has convenient for climbing
The advantages of person controls.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the vertical steel ladder protective device of tower crane；
Fig. 2 is the structural schematic diagram of the other side Fig. 1；
Fig. 3 is the structural schematic diagram of connecting plate；
Fig. 4 is the structural schematic diagram of fixed plate；
Fig. 5 is the structural schematic diagram of protective device；
In attached drawing, parts list represented by the reference numerals are as follows:
In figure: 1- connecting plate, 2- fixed plate, 3- protective device, 4- ring set, 5- connector, 6- fixed block, 7- pin bushing,
8- sliding rail, 301- fork, 302- sliding slot, 303- connecting rod, 304- spring, 305- limit plate, 306- pull ring, 501- installation
Hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of vertical steel ladder protective device of tower crane, including
Connecting plate 1 and fixed plate 2,1 side of connecting plate are connect by pull ring 306 with people, and fixed plate 2 is fixed on the another of vertical steel ladder
Side, through there is protective device 3, connecting plate 1 and 2 two sides of fixed plate are fixedly connected to ring set 4 on connecting plate 1 one surface；
Connecting plate 1 and the opposite surface of fixed plate 2 are fixedly connected to fixed block 6, and 6 one surface of fixed block is fixedly connected with
Pin bushing 7；7 inner surface of pin bushing close to 1 side of connecting plate is fixedly connected with a sliding rail 8.
Wherein, 4 one side of ring set is fixedly connected with a connection piece 5, and 5 one surface of connector is opened up there are two mounting hole 501,
Two opposite mounting holes 501 are connected and fixed using bolt, the installation of connecting plate 1 and fixed plate 2 are completed, by protective device set
It connects on vertical steel ladder.
Wherein, the side on 301 inclined-plane of fork is slidably connected with 7 inner surface of pin bushing close to 2 side of fixed plate, close
The pin bushing 7 of 2 side of fixed plate is positioned for fork 301.
Wherein, the inner surface radius of ring set 4 is 70mm, and the length and width of connecting plate 1 and fixed plate 2 are 400mm, Gu
Determine the length of block 6 and width is 150mm, 7 outer surface diameter of pin bushing is 100mm.
Wherein as shown in figure 5, protective device 3 includes fork 301,301 one side of fork offers suitable with 8 phase of sliding rail
The sliding slot 302 matched, 301 weeks sides of fork are slidably connected by sliding slot 302 and 7 inner surface of pin bushing, 301 1 surface of fork
It is fixedly connected with a connecting rod 303,303 side surface cover of connecting rod is equipped with spring 304, and 304 one end of spring and fork 301 are fixed
Connection, 304 other end of spring are fixedly connected with connecting plate 1.
Wherein, 303 one end of connecting rod sequentially passes through fixed block 6, connecting plate 1 and the outside for extending to connecting plate 1, connection
One end that bar 303 is located at 1 outside of connecting plate is fixedly connected with limit plate 305, and 305 1 surface of limit plate is fixedly connected with pull ring
306。
The concrete application of the present embodiment are as follows: by the placement of connecting plate 1 and the side of vertical steel ladder, fixed plate 2 is placed in vertical
The other side of straight steel ladder, two ring sets 4 are bonded with vertical steel ladder two sides handrail respectively, using four bolts by peace facing each other
Dress hole 501 is connected and fixed, and is connect pull ring 306 with climbing person with hook using rope, is completed the installation of protective device；Climbing person
When climbing vertical steel ladder, the support rod of pedal can squeeze the inclined-plane of fork 301, and 301 stress of fork can be in pin bushing 7
Portion's sliding, spring 304 is shunk, and when the support rod of pedal is separated with fork 301, the stretching, extension of spring 304 pushes fork 301 extensive
Initial position is arrived again, completes the climbing of a ladder；It is fallen if scaler slips, 301 lower section side of fork can be with pedal
Support rod is contacted and is blocked, and prevents scaler from falling；At the end of climbing, protective device can quickly be torn open by unclamping bolt
It unloads；If scaler is intended to walk downwards, pull ring 306 is pulled by rope and hook, active control fork 301 is to pin bushing 7
Internal slide, protective device lose the support of fork 301, and slide downward completes the drop-off step of protective device.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of vertical steel ladder protective device of tower crane, including connecting plate (1) and fixed plate (2), it is characterised in that: the connecting plate
Through having protective device (3), the connecting plate (1) and fixed plate (2) two sides are fixedly connected to ring set (4) on (1) one surface；
The connecting plate (1) and fixed plate (2) are fixedly connected to fixed block (6) with respect to a surface, (6) one table of fixed block
Face is fixedly connected with pin bushing (7)；The pin bushing (7) inner surface close to connecting plate (1) side is fixedly connected with a sliding rail
(8)；
The protective device (3) includes fork (301), and fork (301) one side is offered to be adapted with sliding rail (8)
Sliding slot (302), all sides of the fork (301) are slidably connected by sliding slot (302) and pin bushing (7) inner surface；
(301) one surface of fork is fixedly connected with a connecting rod (303), and connecting rod (303) side surface cover is equipped with
Spring (304), described spring (304) one end are fixedly connected with fork (301), spring (304) other end and connecting plate
(1) it is fixedly connected.
2. a kind of vertical steel ladder protective device of tower crane according to claim 1, which is characterized in that ring set (4) side
Face is fixedly connected with a connection piece (5), and (5) one surface of connector offers several mounting holes (501).
3. a kind of vertical steel ladder protective device of tower crane according to claim 1, which is characterized in that the connecting rod (303)
One end sequentially passes through fixed block (6), connecting plate (1) and the outside for extending to connecting plate (1), and the connecting rod (303) is located at
One end on the outside of connecting plate (1) is fixedly connected with limit plate (305), and (305) one surface of limit plate is fixedly connected with pull ring
(306)。
4. a kind of vertical steel ladder protective device of tower crane according to claim 1, which is characterized in that the fork (301)
The side on inclined-plane is slidably connected with pin bushing (7) inner surface close to fixed plate (2) side.
5. a kind of vertical steel ladder protective device of tower crane according to claim 1, which is characterized in that the ring set (4) it is interior
Surface radius is 70mm, and the length and width of the connecting plate (1) and fixed plate (2) are 400mm, the fixed block (6)
Length and width are 150mm, and pin bushing (7) outer surface diameter is 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233477.4U CN208617258U (en) | 2018-08-02 | 2018-08-02 | A kind of vertical steel ladder protective device of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233477.4U CN208617258U (en) | 2018-08-02 | 2018-08-02 | A kind of vertical steel ladder protective device of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208617258U true CN208617258U (en) | 2019-03-19 |
Family
ID=65708361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821233477.4U Expired - Fee Related CN208617258U (en) | 2018-08-02 | 2018-08-02 | A kind of vertical steel ladder protective device of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208617258U (en) |
-
2018
- 2018-08-02 CN CN201821233477.4U patent/CN208617258U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20210802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |