CN108853772A - Hydraulic double cylinder can turning break-in scissors expansion device and its working method - Google Patents
Hydraulic double cylinder can turning break-in scissors expansion device and its working method Download PDFInfo
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- CN108853772A CN108853772A CN201811060514.0A CN201811060514A CN108853772A CN 108853772 A CN108853772 A CN 108853772A CN 201811060514 A CN201811060514 A CN 201811060514A CN 108853772 A CN108853772 A CN 108853772A
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- hydraulic cylinder
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- tool tong
- connecting rod
- mandril
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention relates to a kind of hydraulic double cylinder can turning break-in scissors expand device, including:Inside tool tong, outside tool tong, the two are hinged in shaft simultaneously；Mandril upper end is contracted to a plane of lowest point when the hydraulic cylinder pressure relief of inside, and mandril upper end is contracted to the b plane of lowest point when lower than outside hydraulic cylinder pressure relief；Straight connecting rod, bent connecting rod；Straight connecting rod upper end and inside tool tong are hinged, and lower end and inside hydraulic cylinder mandril are hinged；Bent small end and outside tool tong are hinged, and lower end and outside hydraulic cylinder mandril are hinged；Inside hydraulic cylinder pressure relief, when outside hydraulic cylinder mandril row to range, inside tool tong, outside tool tong closure, and be rotated by 90 ° inwardly simultaneously；Outside hydraulic cylinder pressure relief, when inside hydraulic cylinder mandril row to range, inside tool tong, outside tool tong closure, and it is in stand up position simultaneously.The controllable rotation within the scope of 90 ° of medial and lateral tool tong can be achieved in the present invention, so as to implement forcible entry in small space.
Description
Technical field
The present invention relates to a kind of fire forcible entry tools, specifically, be a kind of hydraulic double cylinder can turning break-in scissors expand device.
Background technique
Conventional hydraulic break-in scissors expand device be single cylinder-actuated, by link mechanism realize biplate cutter move synchronously or one
Side blade is fixed, other side blade movement.Cutting for this form expands device when often dismantling in small space, because operating radius is small
Operating difficulties is caused, therefore adaptability is weaker.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic double cylinder can turning break-in scissors expand device, realize 90 ° of medial and lateral tool tong
The applicability that break-in scissors expand device is substantially improved so as to implement forcible entry in small space in controllable rotation in range.
The present invention takes following technical scheme：
A kind of hydraulic double cylinder can turning break-in scissors expand device, including:Inside tool tong 1, outside tool tong 2, the two is cut with scissors simultaneously
It connects in shaft 3；Inside hydraulic cylinder 6, outside hydraulic cylinder 7；The a that mandril upper end is contracted to lowest point when the hydraulic cylinder pressure relief of inside is put down
Face, mandril upper end is contracted to the b plane of lowest point when lower than outside hydraulic cylinder pressure relief；Straight connecting rod 4, bent connecting rod 5；On straight connecting rod 4
End is hinged with inside tool tong 1, and lower end and inside hydraulic cylinder mandril are hinged；Bent 5 upper end of connecting rod and outside tool tong 2 are hinged, under
It holds hinged with outside hydraulic cylinder mandril；6 pressure release of inside hydraulic cylinder, when 7 mandril row of outside hydraulic cylinder to range, inside tool
Pincers 1, outside tool tong 2 are closed, and are rotated by 90 ° inwardly simultaneously；7 pressure release of outside hydraulic cylinder, hydraulic cylinder 6 mandril row in inside is to most
When big stroke, inside tool tong 1, outside tool tong 2 are closed, and are in stand up position simultaneously.
Further, the arc-shaped shape of the bent connecting rod 5, cambered surface angle are identical as shaft 3；When 6 pressure release of inside hydraulic cylinder,
When 7 mandril row of outside hydraulic cylinder to range, cambered surface and the shaft 3 of bent connecting rod 5 fit.
Further, the inside hydraulic cylinder 6, outside hydraulic cylinder 7 are arranged side by side.
Further, the inside tool tong 1, the equal triangular shape of outside tool tong 2.
It further, further include T shape double card hoop 8, the inside hydraulic cylinder 6, outside hydraulic cylinder 7 engage with T shape double card hoop 8
Fixed, the shaft 3 is arranged in the upper end of T shape double card hoop 8.
A kind of above-mentioned hydraulic double cylinder can turning break-in scissors expand the working method of device, when implementing shear action, successively take with
Lower operation:Inside hydraulic cylinder 6 drives straight connecting rod 4, and straight connecting rod 4 drives inside tool tong 13 to turn to suitable angle around the shaft；
Outside hydraulic cylinder 7 drives bent connecting rod 5, and outside tool tong 2 is driven 3 inwardly to rotate around the shaft and implement to shear；Implement expansion action
When, successively take following operation：Inside hydraulic cylinder 6 drives straight connecting rod 4, and straight connecting rod 4 drives 3 rotation around the shaft of inside tool tong 1
To suitable angle；Outside hydraulic cylinder 7 drives bent connecting rod 5, drives the 3 inwardly rotation around the shaft of outside tool tong 2, makes outside tool
Pincers 2 are closed with inside tool tong 1；A pair of of tool tong protrudes into position to be expanded simultaneously；Inside hydraulic cylinder 6 and outside hydraulic cylinder 7 are same
Shi Qidong drives a pair of of tool tong to rotate backward, implements expansion.
The beneficial effects of the present invention are:
1) the controllable rotation within the scope of 90 ° of medial and lateral tool tong can be achieved, so as to implement in small space
Forcible entry；
2) applicability that break-in scissors expand device is substantially improved；
3) structure is simple, with existing fire-fighting detaching cut expand body product it is similar, it is easy to carry, it is ingenious in design, operate reliably
Property it is high；
4) convenience of fire-fighting detaching work greatly improved.
Detailed description of the invention
Fig. 1 be hydraulic double cylinder of the present invention can turning break-in scissors expand device perspective view.
Fig. 2 be hydraulic double cylinder of the present invention can turning break-in scissors expand another state of device under perspective view.
Fig. 3 be hydraulic double cylinder of the present invention can turning break-in scissors expand device state one main view.
Fig. 4 be hydraulic double cylinder of the present invention can turning break-in scissors expand device state two main view.
Fig. 5 be hydraulic double cylinder of the present invention can turning break-in scissors expand device state three main view.
Fig. 6 be hydraulic double cylinder of the present invention can turning break-in scissors expand device state four main view.
Fig. 7 be hydraulic double cylinder of the present invention can turning break-in scissors expand device state five main view.
In figure, 1. inside tool tongs, 2. outside tool tongs, 3. shafts, 4. straight connecting rods, 5. bent connecting rods, 6. inside hydraulic cylinders,
7. outside hydraulic cylinder, 8.T shape double card hoop.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment one：
Referring to Fig. 1-7, a kind of hydraulic double cylinder can turning break-in scissors expand device, including:Inside tool tong 1, outside tool tong 2,
The two is hinged in shaft 3 simultaneously；Inside hydraulic cylinder 6, outside hydraulic cylinder 7；Mandril upper end is contracted to when the hydraulic cylinder pressure relief of inside
The a plane of lowest point, mandril upper end is contracted to the b plane of lowest point when lower than outside hydraulic cylinder pressure relief；Straight connecting rod 4, bent connecting rod
5；4 upper end of straight connecting rod and inside tool tong 1 are hinged, and lower end and inside hydraulic cylinder mandril are hinged；Bent 5 upper end of connecting rod and outside tool
Pincers 2 are hinged, and lower end and outside hydraulic cylinder mandril are hinged；6 pressure release of inside hydraulic cylinder, 7 mandril row of outside hydraulic cylinder to range
When, inside tool tong 1, outside tool tong 2 are closed, and are rotated by 90 ° inwardly simultaneously；7 pressure release of outside hydraulic cylinder, inside hydraulic cylinder
When 6 mandril rows to range, inside tool tong 1, outside tool tong 2 are closed, and are in stand up position simultaneously.
In this embodiment, referring to Fig. 5-6, the arc-shaped shape of the song connecting rod 5, cambered surface angle is identical as shaft 3；When interior
6 pressure release of side hydraulic cylinder, when 7 mandril row of outside hydraulic cylinder to range, cambered surface and the shaft 3 of bent connecting rod 5 fit.
In this embodiment, referring to Fig. 3-6, the inside hydraulic cylinder 6, outside hydraulic cylinder 7 are arranged side by side.
In this embodiment, referring to Fig. 3-6, the inside tool tong 1, the equal triangular shape of outside tool tong 2.
In this embodiment, further include T shape double card hoop 8 referring to Fig. 1-3, the inside hydraulic cylinder 6, outside hydraulic cylinder 7 with
T shape double card hoop 8 is fixed, and the shaft 3 is arranged in the upper end of T shape double card hoop 8.
Using above-mentioned hydraulic double cylinder can turning break-in scissors expand device carry out dilation procedure, successively take following operation：
Referring to Fig. 3-4, inside hydraulic cylinder 6 drives straight connecting rod 4, and straight connecting rod 4 drives inside tool tong 13 to turn to around the shaft
Suitable angle；Outside hydraulic cylinder 7 drives bent connecting rod 5, drives the 3 inwardly rotation around the shaft of outside tool tong 2, makes outside tool tong
2 approach closure with inside tool tong 1, as shown in Figure 3；Then, a pair of of tool tong protrudes into position to be expanded simultaneously；Inside hydraulic cylinder
6 start simultaneously with outside hydraulic cylinder 7, drive a pair of of tool tong to rotate backward, implement expansion, as shown in Figure 4.
Embodiment two：
Hydraulic double cylinder can turning break-in scissors expand device structure together with embodiment.
Referring to Fig. 5, hydraulic cylinder 6 pressure release in inside is inside tool tong 1, outer when 7 mandril row of outside hydraulic cylinder to range
Side tool tong 2 is closed, and is rotated by 90 ° inwardly simultaneously.Then, a pair of of tool tong protrudes into position to be expanded simultaneously；Inside is hydraulic
Cylinder 6 starts simultaneously with outside hydraulic cylinder 7, drives a pair of of tool tong to rotate backward, implements expansion.
Embodiment three：
Hydraulic double cylinder can turning break-in scissors expand device structure together with embodiment.
7 pressure release of outside hydraulic cylinder, when 6 mandril row of inside hydraulic cylinder to range, inside tool tong is in stand up position,
And it is corresponding with the position of object to be sheared；Then, outside hydraulic cylinder 7 drives bent connecting rod 5, drives outside tool tong 2 around the shaft 3
It inwardly rotates and implements to shear, as shown in Figure 6.
Hydraulic double cylinder of the invention can turning break-in scissors expand device or so pincers and can be realized 0-90 ° of corner.Two hydraulic stems point
Two tool tongs, the opening and closure of implementation tool pincers Qu Dong not controlled；And after left pincers corner to limiting condition, it is able to maintain work
Make pressure；When left and right two, pincers turn left to certain angle, two hydraulic cylinders in left and right can be worked at the same time, two hydraulic stem energy
Left and right pincers are driven to realize opening and closing function simultaneously.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis
It changes or improves, under the premise of not departing from the present invention total design, these transformation or improve all should belong to that the present invention claims guarantors
Within the scope of shield.
Claims (6)
1. a kind of hydraulic double cylinder can turning break-in scissors expand device, which is characterized in that including:
Inside tool tong (1), outside tool tong (2), the two are hinged on simultaneously on shaft (3)；
Inside hydraulic cylinder (6), outside hydraulic cylinder (7)；Mandril upper end is contracted to a plane of lowest point when the hydraulic cylinder pressure relief of inside,
Mandril upper end is contracted to the b plane of lowest point when lower than outside hydraulic cylinder pressure relief；
Straight connecting rod (4), bent connecting rod (5)；Straight connecting rod (4) upper end and inside tool tong (1) hingedly, lower end and inside hydraulic cylinder mandril
Hingedly；Hingedly, lower end and outside hydraulic cylinder mandril are hinged for bent connecting rod (5) upper end and outside tool tong (2)；
Inside hydraulic cylinder (6) pressure release, when outside hydraulic cylinder (7) mandril row to range, inside tool tong (1), outside tool
(2) closure is clamped, and is rotated by 90 ° inwardly simultaneously；
Outside hydraulic cylinder (7) pressure release, when inside hydraulic cylinder (6) mandril row to range, inside tool tong (1), outside tool
(2) closure is clamped, and is in stand up position simultaneously.
2. hydraulic double cylinder as described in claim 1 can turning break-in scissors expand device, it is characterised in that：The song connecting rod (5) is in arc
Shape, cambered surface angle are identical as shaft (3)；When inside hydraulic cylinder (6) pressure release, outside hydraulic cylinder (7) mandril row to maximum row
Cheng Shi, cambered surface and the shaft (3) of bent connecting rod (5) fit.
3. hydraulic double cylinder as described in claim 1 can turning break-in scissors expand device, it is characterised in that：The inside hydraulic cylinder (6),
Outside hydraulic cylinder (7) is arranged side by side.
4. hydraulic double cylinder as described in claim 1 can turning break-in scissors expand device, it is characterised in that：The inside tool tong (1),
Outside tool tong (2) equal triangular shape.
5. hydraulic double cylinder as described in claim 1 can turning break-in scissors expand device, it is characterised in that：It further include T shape double card hoop
(8), the inside hydraulic cylinder (6), outside hydraulic cylinder (7) and T shape double card hoop (8) are fixed, the upper end of T shape double card hoop (8)
The shaft (3) are set.
6. a kind of hydraulic double cylinder described in claim 1 can turning break-in scissors expand device working method, it is characterised in that：
When implementing shear action, following operation is successively taken:Inside hydraulic cylinder (6) drives straight connecting rod (4), and straight connecting rod (4) drives
Inside tool tong (1) turns to suitable angle around the shaft (3)；Outside hydraulic cylinder (7) drives bent connecting rod (5), drives outside work
Tool pincers (2) inwardly rotate around the shaft (3) and implement to shear；
When implementing expansion action, following operation is successively taken：Inside hydraulic cylinder (6) drives straight connecting rod (4), and straight connecting rod (4) drives
Inside tool tong (1) turns to suitable angle around the shaft (3)；Outside hydraulic cylinder (7) drives bent connecting rod (5), drives outside work
Tool pincers (2) inwardly rotate around the shaft (3), are closed outside tool tong (2) and inside tool tong (1)；A pair of of tool tong is stretched simultaneously
Enter position to be expanded；Inside hydraulic cylinder (6) starts simultaneously with outside hydraulic cylinder (7), drives a pair of of tool tong to rotate backward, implements
Expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060514.0A CN108853772B (en) | 2018-09-12 | 2018-09-12 | Hydraulic double-cylinder corner breaking, dismantling, shearing and expanding device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060514.0A CN108853772B (en) | 2018-09-12 | 2018-09-12 | Hydraulic double-cylinder corner breaking, dismantling, shearing and expanding device and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108853772A true CN108853772A (en) | 2018-11-23 |
| CN108853772B CN108853772B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060514.0A Active CN108853772B (en) | 2018-09-12 | 2018-09-12 | Hydraulic double-cylinder corner breaking, dismantling, shearing and expanding device and working method thereof |
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| CN (1) | CN108853772B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031021A (en) * | 2021-12-23 | 2022-02-11 | 韦邦耸 | Electric crow bar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030029043A1 (en) * | 2001-08-11 | 2003-02-13 | Fladgard Lloyd E. | Extended life cutting blades for hand-held cutting tools |
| CN105281246A (en) * | 2015-07-02 | 2016-01-27 | 上海李尔实业交通汽车部件有限公司 | Wire harness assembling stretching pliers |
| CN108356345A (en) * | 2018-02-06 | 2018-08-03 | 北京工业大学 | A kind of pincers with single-degree-of-freedom deformation mechanism, which are cut, grabs multifunctional engineering accessory |
| CN208865073U (en) * | 2018-09-12 | 2019-05-17 | 公安部上海消防研究所 | Hydraulic double cylinder can turning break-in scissors expansion device |
-
2018
- 2018-09-12 CN CN201811060514.0A patent/CN108853772B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030029043A1 (en) * | 2001-08-11 | 2003-02-13 | Fladgard Lloyd E. | Extended life cutting blades for hand-held cutting tools |
| CN105281246A (en) * | 2015-07-02 | 2016-01-27 | 上海李尔实业交通汽车部件有限公司 | Wire harness assembling stretching pliers |
| CN108356345A (en) * | 2018-02-06 | 2018-08-03 | 北京工业大学 | A kind of pincers with single-degree-of-freedom deformation mechanism, which are cut, grabs multifunctional engineering accessory |
| CN208865073U (en) * | 2018-09-12 | 2019-05-17 | 公安部上海消防研究所 | Hydraulic double cylinder can turning break-in scissors expansion device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031021A (en) * | 2021-12-23 | 2022-02-11 | 韦邦耸 | Electric crow bar |
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| Publication number | Publication date |
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| CN108853772B (en) | 2023-09-26 |
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Address after: 200032 No. two, 601 South Road, Xuhui District, Shanghai, Zhongshan Applicant after: SHANGHAI FIRE Research Institute OF MEM Address before: 200032 No. two, 601 South Road, Xuhui District, Shanghai, Zhongshan Applicant before: Shanghai Fire Research Institute of the Ministry of public security |
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