CN206386079U - Cat ladder safety guard with auto-lock function - Google Patents
Cat ladder safety guard with auto-lock function Download PDFInfo
- Publication number
- CN206386079U CN206386079U CN201620963489.7U CN201620963489U CN206386079U CN 206386079 U CN206386079 U CN 206386079U CN 201620963489 U CN201620963489 U CN 201620963489U CN 206386079 U CN206386079 U CN 206386079U
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- CN
- China
- Prior art keywords
- cat ladder
- ladder support
- crosspiece
- spring
- connecting rod
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Abstract
The utility model is related to a kind of cat ladder safety guard with auto-lock function.It includes cat ladder support, crosspiece, fixed block, first spring, connecting rod briquetting, self-locking mechanism, contact-making switch, left cat ladder support and right cat ladder support upper middle position are separately installed with fixed block, crosspiece two ends are attached separately to inside the neck in the fixed block of left cat ladder support and right cat ladder support, first spring is housed between crosspiece and neck, crosspiece lower end is respectively provided with connecting rod briquetting close to both side ends position, lower middle position is equipped with self-locking mechanism on the inside of left cat ladder support and right cat ladder support, connecting rod briquetting is located above self-locking mechanism, left cat ladder stent outer lower middle position is equipped with contact-making switch, pressing plate is housed above contact-making switch and pressing plate one end is fixedly connected on connecting rod briquetting.Advantage is：It is simple in construction, and the support in external energy source is not needed, rely solely on personnel can just realize set function up and down.
Description
Technical field
The utility model is related to hydraulic pressure machine overhauling field, and in particular to a kind of cat ladder safeguard protection dress with auto-lock function
Put.
Background technology
Based on the purpose of hydraulic press ordinary maintenance, usual hydraulic press can all be climbed with hydraulic press above and below available maintenance personal
Ladder, but be equipped with will running into after cat ladder one it is very direct the problem of, if machine is in the state of unlatching, climbed above and below personnel
Ladder can or can not danger close, therefore be accomplished by it is a kind of can protect the safety device or switch of maintenance personal's safety, but at present
The safety switch that can be used can't be constantly in contact or the state disconnected for the purpose of safety（I.e. switch belongs to
Transient state, it is impossible to which long-time stable is a state）, therefore can only realize that the long-time of main frame is broken by increasing protection device
Electricity protects the safety of personnel, and the requirement that this device needs then is to try to simply, and do not need preferably external electric power or
The support of remaining power, because the operating cost that like this can then increase entire machine causes a certain degree of energy waste.
The content of the invention
In order to solve the above problems, the utility model proposes a kind of cat ladder safety guard with auto-lock function, if
Meter is ingenious, easy to use, makes main frame power-off by long-time to protect above and below maintenance personal cat ladder and at the top of hydraulic press
Personal safety during operation.
The technical solution of the utility model：
Cat ladder safety guard with auto-lock function, it includes cat ladder support, crosspiece, fixed block, the first spring, connecting rod
Briquetting, self-locking mechanism, contact-making switch, cat ladder support Design have left cat ladder support, right cat ladder support, left cat ladder support and right cat ladder
Support upper middle position, which is separately installed with the middle of fixed block, fixed block side, is provided with neck, and crosspiece two ends are attached separately to a left side and climbed
Inside neck in the fixed block of terraced support and right cat ladder support, it is equipped between crosspiece and neck on the first spring, the first spring
Face is withstood on below crosspiece, is withstood on below the first spring below neck, and crosspiece lower end is respectively provided with connecting rod close to both side ends position
Lower middle position is equipped with self-locking mechanism on the inside of briquetting, left cat ladder support and right cat ladder support, and connecting rod briquetting is located at self-locking mechanism
Top, left cat ladder stent outer lower middle position is equipped with above contact-making switch, contact-making switch equipped with pressing plate and pressing plate one end is solid
Surely it is connected on connecting rod briquetting.
Described self-locking mechanism includes claw, U-shaped seat, miniature bearing, second spring, distribution, circular cone, and U-shaped seat passes through
Transverse slat is on cat ladder support, and two side plates of U-shaped seat have gliding groove, and claw is designed to former and later two claws, claw
Upper end is designed between triangular shape pawl, two claws that second spring two ends are connected respectively at two equipped with second spring
It is provided with above and below claw centre position, claw and is respectively provided with a through hole, through hole is built with rotating shaft, and the two ends of rotating shaft are respectively provided with miniature
Bearing, miniature bearing is in chute, and middle on the inside of a side board of U-shaped seat to be provided with elongated slot, long trench bottom is provided with aperture, elongated slot
Built with circular cone, circular cone rear end promotes top through aperture and top is equipped with pressure cap equipped with promoting；Described connecting rod briquetting
Lower end correspondence claw both sides be respectively designed to triangular shape pawl.
The utility model has the advantages that：1st, it is simple in construction, and the support in external energy source is not needed, rely solely on the upper of personnel
Set function can be just realized down；2nd, for the contact-making switch used more at present, this device can disconnect main frame for a long time
Personal safety above and below power supply, the personnel that adequately protected and in hydraulic press operation at top；3rd, this device carries each system certainly
The dynamic function of resetting, it is convenient and swift.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the stereogram of self-locking mechanism of the present utility model.
Fig. 3 is the side view of self-locking mechanism of the present utility model.
Fig. 4 is the vertical cross-sectional of self-locking mechanism of the present utility model.
Fig. 5 is the transverse sectional view of self-locking mechanism of the present utility model.
Embodiment
Referring to the drawings 1-5, the cat ladder safety guard with auto-lock function, it includes cat ladder support, crosspiece 9, fixed block
91st, the first spring 8, connecting rod briquetting 7, self-locking mechanism, contact-making switch 10, cat ladder support Design have left cat ladder support 11, right cat ladder
Support 12, left cat ladder support 11 and the upper middle position of right cat ladder support 12 are separately installed with fixed block 91, the side of fixed block 91
Centre is provided with neck, and the two ends of crosspiece 9 are attached separately to inside the neck in the fixed block of left cat ladder support 11 and right cat ladder support 12,
First spring 8 is housed, the first spring 8 is withstood on below crosspiece 9 above, and the first spring 8 withstands on neck below between crosspiece 9 and neck
Below, the lower end of crosspiece 9 is respectively provided with connecting rod briquetting 7, left cat ladder support 11 and right cat ladder support 12 close to both side ends position
Side lower middle position is equipped with self-locking mechanism, and connecting rod briquetting 7 is located above self-locking mechanism, the left outside lower middle of cat ladder support 11
Position is equipped with contact-making switch 10, and pressing plate 71 is housed the top of contact-making switch 10 and the one end of pressing plate 71 is fixedly connected on connecting rod briquetting 7.
Described self-locking mechanism includes claw 1, U-shaped seat 6, miniature bearing 4, second spring 2, distribution 3, circular cone 5, U-shaped
Seat 6 is by transverse slat 61 on cat ladder support, and two side plates of U-shaped seat 6 have gliding groove 62, before and after claw 1 is designed to
Two claws 1, the upper end of claw 1 is designed between triangular shape pawl, two claws 1 that second spring 2, the two ends of second spring 2 are housed
It is connected respectively in two centre positions of claw 1, claw is provided with about 1 is respectively provided with a through hole, through hole turns built with rotating shaft
The two ends of axle are respectively provided with miniature bearing 4, and miniature bearing 4 is middle on the inside of a side board of U-shaped seat 6 to be provided with chute 62
Elongated slot, long trench bottom is provided with aperture, and elongated slot is built with circular cone 5, and the rear end of circular cone 5 centre is promoted 3 tops and worn equipped with promoting 3
Small holes and top are equipped with pressure cap；Lower end correspondence claw 1 both sides of described connecting rod briquetting 7 are respectively designed to triangular shape pawl,
Connecting rod briquetting lower end both sides triangular shape pawl outwards struts the triangular shape pawl of the upper end of claw, last mutually seizing one
Rise, form self-locking.Jump ring is designed with the outside of miniature bearing to be stuck in above rotating shaft.Circular cone rear end is designed with rib.
1st, 2,3,4,5,6 self-locking mechanism is constituted, it is the core place of this safety device, when people starts to climb up cat ladder
When, crosspiece 9 can be descending under body weight, and drivening rod briquetting 7 is descending together to be pushed down installed in cat ladder support by pressing plate
The contact-making switch 10 of side so that host power supply disconnects forming protection.And 9 times guilds of crosspiece make it that heading into section struts self-locking dress
Two claws 1 put, when strut the connection of the lower section of crosspiece 9 when heading into the incision of section then two claws in second spring 2
Merge again under effect, therefore after people gets on from crosspiece 9, head between section will be stuck in two claws and form self-locking, from
And can cause that host power supply is remained open for a long time, provide and ensure to personal safety of the maintenance personal in the operation of machine top.
, it is necessary to reopen host power supply after maintenance personal's repairing is finished and slave top is got off by cat ladder, this
As long as both hands inward push away the distribution 3 of both sides self-locking device when individual, so as to can be weighed according to two claws 1 of effect on inclined-plane simultaneously
Newly open, therefore will be replied in the presence of the first spring 8 equally can the company of drive in home position, and its Recovery Process for crosspiece
Bar briquetting 7 is replied, so as to disconnect contact-making switch 10, realizes the power supply of main frame.Hand is now unclamped, then promoting 3 also can be in two card
Original position is pushed back by counter in the presence of spring 1 between pawl 1, so as to realize reset.And use miniature bearing on the axle of claw 1
4 it is convenient slide, and be used for miniature jump ring positioning miniature bearing 4.
Claims (1)
1. the cat ladder safety guard with auto-lock function, it is characterised in that it includes cat ladder support, crosspiece, fixed block, first
Spring, connecting rod briquetting, self-locking mechanism, contact-making switch, cat ladder support Design have left cat ladder support, right cat ladder support, left cat ladder branch
Frame and right cat ladder support upper middle position are separately installed with the middle of fixed block, fixed block side and are provided with neck, crosspiece two ends point
Inside neck that Zhuan be in the fixed block of left cat ladder support and right cat ladder support, the first spring is housed between crosspiece and neck,
Withstand on below crosspiece, withstood on below the first spring below neck above first spring, crosspiece lower end is close to both side ends position point
Not Zhuan You connecting rod briquetting, lower middle position is equipped with self-locking mechanism, connecting rod briquetting position on the inside of left cat ladder support and right cat ladder support
Above the self-locking mechanism, left cat ladder stent outer lower middle position be equipped with above contact-making switch, contact-making switch equipped with pressing plate and
Pressing plate one end is fixedly connected on connecting rod briquetting；Described self-locking mechanism include claw, U-shaped seat, miniature bearing, second spring,
Distribution, circular cone, U-shaped seat is by transverse slat on cat ladder support, and two side plates of U-shaped seat have gliding groove, and claw is set
Former and later two claws are counted into, claw upper end is designed between triangular shape pawl, two claws that second spring, second spring two are housed
End, which is connected respectively to be provided with above and below two claw centre positions, claw, is respectively provided with a through hole, and through hole turns built with rotating shaft
The two ends of axle are respectively provided with miniature bearing, and miniature bearing is middle on the inside of a side board of U-shaped seat to be provided with elongated slot in chute,
Long trench bottom is provided with aperture, and elongated slot is built with circular cone, and top is promoted through aperture and top dress in circular cone rear end equipped with promoting
There is pressure cap；The lower end correspondence claw both sides of described connecting rod briquetting are respectively designed to triangular shape pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963489.7U CN206386079U (en) | 2016-08-29 | 2016-08-29 | Cat ladder safety guard with auto-lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963489.7U CN206386079U (en) | 2016-08-29 | 2016-08-29 | Cat ladder safety guard with auto-lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386079U true CN206386079U (en) | 2017-08-08 |
Family
ID=59485776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620963489.7U Active CN206386079U (en) | 2016-08-29 | 2016-08-29 | Cat ladder safety guard with auto-lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386124A (en) * | 2018-04-03 | 2018-08-10 | 浙江易锻精密机械有限公司 | A kind of large pressing machine emergency staircase |
-
2016
- 2016-08-29 CN CN201620963489.7U patent/CN206386079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386124A (en) * | 2018-04-03 | 2018-08-10 | 浙江易锻精密机械有限公司 | A kind of large pressing machine emergency staircase |
| CN108386124B (en) * | 2018-04-03 | 2023-11-21 | 浙江易锻精密机械有限公司 | Safety ladder for large press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180816 Address after: 226503 Jiangsu Nantong Rugao North Road Park North Road (economic and Technological Development Zone Forging Industry Park) Patentee after: Nantong forging equipment Rugao Co., Ltd. Address before: 226500 Jiangsu Nantong Rugao Economic Development Zone Forging Industry Park Patentee before: Nantong Forging Equipment Co., Ltd. |