CN207551757U - A kind of crane overspeed protective device - Google Patents
A kind of crane overspeed protective device Download PDFInfo
- Publication number
- CN207551757U CN207551757U CN201721772878.2U CN201721772878U CN207551757U CN 207551757 U CN207551757 U CN 207551757U CN 201721772878 U CN201721772878 U CN 201721772878U CN 207551757 U CN207551757 U CN 207551757U
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- China
- Prior art keywords
- wall
- support column
- fixedly connected
- cylinder
- deceleration
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Abstract
The utility model discloses a kind of crane overspeed protective devices, including the first support column and the second support column, deceleration cylinder is fixedly connected at the top of the side outer wall of first support column, the deceleration cylinder is equipped with the cylindrical shape hollow structure of opening for one end, and horizontal connection has rotating bar on the side wall of the inner wall of deceleration cylinder and the second support column, fixing sleeve is connected to reel on the middle part outer wall of the rotating bar, fixed cylinder is fixedly connected on the outer wall of the rotating bar, the fixed cylinder is equipped with the cylindrical shape hollow structure of opening for one end, and the interior bottom of fixed cylinder is fixedly connected with adjustable spring.The utility model is simple in structure; it is ingenious in design; deceleration can be carried out at the same time to steel cable and reel; avoid the occurrence of steel wire emergency stop phenomenon; the safety of steel cable whereabouts is substantially increased, protects deceleration better, solves the problems, such as that previous crane overspeed protective device is also easy to produce steel cable interim card emergency stop phenomenon and slowing effect is poor; it is highly practical, it is easy to spread.
Description
Technical field
The utility model is related to overspeed protective device technical field more particularly to a kind of crane overspeed protective devices.
Background technology
Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods.Also known as day
Vehicle, hanging, crane.In hoisting machinery used in bridge construction engineering, according to its construction and the difference of performance, light and small generally can be divided into
Heavy-duty hoisting equipment, bridge type crane tool and arm support type crane, four major class of cable crane.Light and small heavy-duty hoisting equipment
Such as：Jack, air hoist, electric block, balance cucurbit（Also known as balance crane）, hoist engine etc..Crane span structure class heavy-duty lifting machine is such as
Beam cranes etc..Arm support type crane such as stationary slewing crane, derrick crane, autocrane, tire lifting
Machine, crawler crane etc..Cable crane such as elevator etc..Crane overspeed protective device is a kind of volume for crane
Cylinder rotation under the conditions of accident carries out the device of control and Global Macros, is one of crane an indispensable part.Previous
Protective device makes end axis one end connecting spring that friction plate be made contact with friction cylinder to play in hypervelocity and brake work merely with centrifugal force
With, but sometimes crane steel cable hypervelocity when, friction plate can contact friction lumen, and reel may receive drag braking suddenly,
Cause steel cable slow down suddenly occur emergency stop the phenomenon that, the article of bottom can shake, serious to may drop out, not only cause through
Ji loss, it is also possible to which the staff that can lead to lower section is injured, we design a kind of crane overspeed protective device thus, comes
It solves the above problems.
Utility model content
The purpose of this utility model is and a kind of crane hypervelocity proposed in order to solve shortcoming in the prior art
Protective device.
To achieve these goals, the utility model employs following technical solution：
A kind of crane overspeed protective device, including the first support column and the second support column, the one of first support column
Deceleration cylinder is fixedly connected at the top of the outer wall of side, the deceleration cylinder is equipped with the cylindrical shape hollow structure of opening for one end, and slows down
Horizontal connection has a rotating bar on the inner wall of cylinder and the side wall of the second support column, and fixing sleeve is connected on the middle part outer wall of the rotating bar
Reel, fixed cylinder is fixedly connected on the outer wall of the rotating bar, and the fixed cylinder is equipped with for one end in the cylindrical shape of opening
Hollow structure, and the interior bottom of fixed cylinder is fixedly connected with adjustable spring, interior bottom end of the adjustable spring far from fixed cylinder
Telescopic mast is fixedly connected with, the telescopic mast exposure fixed cylinder is connected with friction plate, setting is wrapped up on the inner wall of the deceleration cylinder
There is a friction pad, first support column and the opposite equal level in side outer wall bottom of the second support column are fixedly connected with horizon bar,
Two opposite one end of the horizon bar are respectively connected with U-shaped bar, and are fixedly connected with retainer ring between two U-shaped bars, institute
It states to extend transversely through on the opposite both sides outer wall of retainer ring and is provided with screw hole, and spiral shell is provided through in two screw holes
Bar, one end that two screw rods are located in retainer ring is respectively connected with bearing, and two bearings are far from two screw rods
One end be respectively connected with arc panel.
Preferably, there are two the fixed cylinder is set altogether, and two fixed cylinders are each perpendicular to rotating bar setting.
Preferably, the bearing is rotatablely connected with screw rod, and bearing is fixed with arc panel and welded.
Preferably, two arc panels are oppositely arranged and are both provided with non-slip mat on opposite side inner wall.
Preferably, limiting sliding rail is provided on the inner wall of the retainer ring, mobile device is provided on the limiting sliding rail,
And mobile device is fixedly connected by connecting rod with two arc panels.
Preferably, horizontal connection has fixed link on the middle part outer wall of first support column, and the bottom of the fixed link is consolidated
Surely restraining position ring block is connected, and spacing ring is located at being arranged above for retainer ring.
Compared with prior art, the beneficial effects of the utility model are：
1st, by retainer ring, screw rod, arc panel, bearing, deceleration cylinder, fixed cylinder, adjustable spring, telescopic mast, friction plate and
The design of friction pad can not only slow down to steel cable, but also deceleration can be carried out at the same time to reel, avoid the occurrence of steel wire emergency stop and show
As substantially increasing the safety of steel cable whereabouts.
2nd, by the design of fixed link and spacing ring, the position that can be fallen to steel cable is defined, and makes what deceleration was protected
It is better, convenient for the use of user.
The utility model is simple in sturcture, ingenious in design, solves previous crane overspeed protective device and is also easy to produce steel cable card
It is the problem of emergency stop phenomenon of pausing and poor slowing effect, highly practical, it is easy to spread.
Description of the drawings
Fig. 1 be the utility model proposes a kind of crane overspeed protective device overall structure diagram；
Fig. 2 be the utility model proposes a kind of crane overspeed protective device deceleration cylinder structure diagram；
Fig. 3 be the utility model proposes a kind of crane overspeed protective device retainer ring and arc panel structure vertical view
Figure.
In figure：1 first support column, 2 second support columns, 3 deceleration cylinders, 4 rotating bars, 5 reels, 6 fixed cylinders, 7 adjustable springs,
8 telescopic masts, 9 friction plates, 10 friction pads, 11 horizon bars, 12 U-shaped bars, 13 retainer rings, 14 screw holes, 15 screw rods, 16 bearings, 17 arcs
Shape plate, 18 fixed links, 19 spacing rings.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
With reference to Fig. 1-3, a kind of crane overspeed protective device, including the first support column 1 and the second support column 2, first
Deceleration cylinder 3 is fixedly connected at the top of the side outer wall of dagger 1, deceleration cylinder 3 is equipped with the cylindrical shape hollow structure of opening for one end,
And horizontal connection has rotating bar 4 on the side wall of the inner wall of deceleration cylinder 3 and the second support column 2, is fixed on the middle part outer wall of rotating bar 4
Reel 5 is socketed with, fixed cylinder 6 is fixedly connected on the outer wall of rotating bar 4, fixed cylinder 6 is equipped with the cylindrical shape of opening for one end
Hollow structure, and the interior bottom of fixed cylinder 6 is fixedly connected with adjustable spring 7, interior bottom one of the adjustable spring 7 far from fixed cylinder 6
End is fixedly connected with telescopic mast 8, and 8 exposure fixed cylinder 6 of telescopic mast is connected with friction plate 9, wraps up and being provided on the inner wall of deceleration cylinder 3
Friction pad 10, the first support column 1 and the opposite equal level in side outer wall bottom of the second support column 2 are fixedly connected with horizon bar 11,
Two opposite one end of horizon bar 11 are respectively connected with U-shaped bar 12, and are fixedly connected with retainer ring 13 between two U-shaped bars 12, Gu
Determine to extend transversely through on the opposite both sides outer wall of ring 13 and be provided with screw hole 14, and screw rod is provided through in two screw holes 14
15, one end that two screw rods 15 are located in retainer ring 13 is respectively connected with bearing 16, and two bearings 16 are far from two screw rods 15
One end is respectively connected with arc panel 17, and fixed cylinder 6 is altogether there are two settings, and two fixed cylinders 6 are each perpendicular to rotating bar 4 and set, axis
It holds 16 to be rotatablely connected with screw rod, and bearing 16 and arc panel 17 are fixed and welded, two arc panels 17 are oppositely arranged and opposite one
Non-slip mat is both provided on the inner wall of side, limiting sliding rail is provided on the inner wall of retainer ring 13, limits and is provided with mobile dress on sliding rail
It puts, and mobile device is fixedly connected by connecting rod with two arc panels 17, horizontal connection on the middle part outer wall of the first support column 1
There is a fixed link 18, the bottom of fixed link 18 is fixedly connected with restraining position ring block 19, and spacing ring 19 is located at the surface of retainer ring 13 and sets
It puts.
In the utility model, steel cable one end on reel 5 is passed sequentially through spacing ring 19 and retainer ring 13, and steel by user
Rope be positioned between two arc panels 17, and pass through two screw rods 15 and rotate, make two arc panels 17 close to each other, at this time due to
Connecting rod is fixedly connected with mobile device and arc panel 17, and two arc panels 17 when 16 one end of bearing rotates of screw rod 15 is made not turn
Dynamic, in steel cable dropping process, when the excessive velocities of steel cable, steel cable can be shaken in itself, and the faster steel cable of speed is trembled
Dynamic amplitude is bigger, and steel cable can contact the non-slip mat on two arc panels 17, plays the role of deceleration, and the speed of reel 5 to steel cable
When spending fast, telescopic mast 8 also can exposure make friction plate 9 contact friction pad 10, further function as decelerating effect, the utility model knot
Structure is simple, ingenious in design, easy to spread.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of crane overspeed protective device, including the first support column（1）With the second support column（2）, which is characterized in that it is described
First support column（1）Side outer wall at the top of be fixedly connected with deceleration cylinder（3）, the deceleration cylinder（3）Opening is equipped with for one end
Cylindrical shape hollow structure, and deceleration cylinder（3）Inner wall and the second support column（2）Side wall on horizontal connection have rotating bar（4）,
The rotating bar（4）Middle part outer wall on fixing sleeve be connected to reel（5）, the rotating bar（4）Outer wall on be fixedly connected with
Safety barrel（6）, the fixed cylinder（6）The cylindrical shape hollow structure of opening, and fixed cylinder are equipped with for one end（6）Interior bottom fix
It is connected with adjustable spring（7）, the adjustable spring（7）Far from fixed cylinder（6）Interior bottom end be fixedly connected with telescopic mast
（8）, the telescopic mast（8）Exposure fixed cylinder（6）It is connected with friction plate（9）, the deceleration cylinder（3）Inner wall on wrap up and being provided with
Friction pad（10）, first support column（1）With the second support column（2）The opposite equal level in side outer wall bottom is fixedly connected with
Horizon bar（11）, two horizon bars（11）Opposite one end is respectively connected with U-shaped bar（12）, and two U-shaped bars（12）
Between be fixedly connected with retainer ring（13）, the retainer ring（13）It is extended transversely through on opposite both sides outer wall and is provided with screw hole
（14）, and two screw holes（14）Inside it is provided through screw rod（15）, two screw rods（15）Positioned at retainer ring（13）
Interior one end is respectively connected with bearing（16）, and two bearings（16）Far from two screw rods（15）One end be respectively connected with
Arc panel（17）.
A kind of 2. crane overspeed protective device according to claim 1, which is characterized in that the fixed cylinder（6）It sets altogether
There are two putting, and two fixed cylinders（6）It is each perpendicular to rotating bar（4）Setting.
A kind of 3. crane overspeed protective device according to claim 1, which is characterized in that the bearing（16）With screw rod
Rotation connection, and bearing（16）With arc panel（17）Fixed welding.
A kind of 4. crane overspeed protective device according to claim 1, which is characterized in that two arc panels（17）
It is oppositely arranged and is both provided with non-slip mat on opposite side inner wall.
A kind of 5. crane overspeed protective device according to claim 1, which is characterized in that the retainer ring（13）It is interior
Limiting sliding rail is provided on wall, mobile device is provided with, and mobile device passes through connecting rod and two institutes on the limiting sliding rail
State arc panel（17）It is fixedly connected.
A kind of 6. crane overspeed protective device according to claim 1, which is characterized in that first support column（1）
Middle part outer wall on horizontal connection have fixed link（18）, the fixed link（18）Bottom be fixedly connected with restraining position ring block（19）, and
Spacing ring（19）Positioned at retainer ring（13）Be arranged above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721772878.2U CN207551757U (en) | 2017-12-19 | 2017-12-19 | A kind of crane overspeed protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721772878.2U CN207551757U (en) | 2017-12-19 | 2017-12-19 | A kind of crane overspeed protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207551757U true CN207551757U (en) | 2018-06-29 |
Family
ID=62664559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721772878.2U Expired - Fee Related CN207551757U (en) | 2017-12-19 | 2017-12-19 | A kind of crane overspeed protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207551757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771322A (en) * | 2023-08-09 | 2023-09-19 | 大庆石油管理局有限公司 | Tower type oil pumping machine winding drum load speed limiting protection device |
-
2017
- 2017-12-19 CN CN201721772878.2U patent/CN207551757U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771322A (en) * | 2023-08-09 | 2023-09-19 | 大庆石油管理局有限公司 | Tower type oil pumping machine winding drum load speed limiting protection device |
| CN116771322B (en) * | 2023-08-09 | 2024-01-30 | 大庆石油管理局有限公司 | Tower type oil pumping machine winding drum load speed limiting protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 323060 Shangshui south 2, Liandu District, Lishui, Zhejiang Patentee after: Tang Xiaoming Address before: 839000 5 Shengli Road, Yizhou District, Hami, the Xinjiang Uygur Autonomous Region Patentee before: Tang Xiaoming |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |