CN204549929U - A kind of Emergency Assistance save space hydraulic disengaging instrument - Google Patents
A kind of Emergency Assistance save space hydraulic disengaging instrument Download PDFInfo
- Publication number
- CN204549929U CN204549929U CN201520218903.7U CN201520218903U CN204549929U CN 204549929 U CN204549929 U CN 204549929U CN 201520218903 U CN201520218903 U CN 201520218903U CN 204549929 U CN204549929 U CN 204549929U
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- cylinder
- miniature gears
- casing
- compressing cylinder
- gear wheel
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Abstract
The utility model discloses a kind of Emergency Assistance save space hydraulic disengaging instrument, belongs to hydraulic jack technical field.Object is to provide that a kind of convenience uses in small space, supercharging multiple is large, the hydraulic disengaging device of top lifting height readable.Two-stage gear reduction is adopted to increase the magnification factor applying moment in this device, reduce operational space, and between compressing cylinder and fuel tank, check valve is all housed between compressing cylinder and jacking cylinder and flows to limit fluid, between jacking cylinder and fuel tank, carry out oil circuit control break-make by shutoff valve.By handwheel positive and negative rotation during use, drive one-level miniature gears, big gear wheel, secondary miniature gears and tooth bar, the piston stroke realizing compressing cylinder controls, thus completes oil suction and the oil extraction function of compressing cylinder.The center circle of handwheel is furnished with scale, the jacking displacement of corresponding jacking cylinder piston rod, thus can tears down safely, efficiently.
Description
Technical field
The utility model relates to a kind of Emergency Assistance save space hydraulic disengaging instrument, belongs to hydraulic jack technical field.
Background technology
Current hydraulic jack is the mechanical equipment being widely used in the important industries such as Automobile manufacturing, highway, side slope tunnel and infrastructural project.The forced oil device of the hydraulic jack of general use uses lever principle, and the stressed certain multiple of can amplifying of lever end is applied on oil pressuring cylinder piston bar.When general hydraulic jack magnification factor reaches 15 times, lever length can reach 1m.This force application mechanism is very convenient, effective, but due to the inherent limitation of leverage, the defect making this hydraulic jack also there are some to be difficult to avoid.As succoured the wounded at scene of an automobile accident or the scene of caving in, when using hydraulic disengaging device, the length of lever can limit the action radius of lever, and lever up-and-down movement height is had a strong impact on, and user's force application location also can be limited, the convenience that impact uses and applicability.In addition, when general hydraulic jack uses, press lever, the height of jacking cylinder piston rod jacking does not have the convenient tolerance of direct method, judge that whether top lifting height is suitable often through range estimation, then can not ensure safe being effective when some speedily carry out rescue work onsite application, may secondary injury be caused.Therefore, in actual use due to usage condition and space condition restriction, conventional hydraulic jack is difficult to reach due effect.
Summary of the invention
The utility model aims to provide a kind of convenient use in small space, supercharging multiple is large, the hydraulic disengaging device that top lifting height readable, structure are simple, reliable.
Adopt following technical proposals for reaching above object the utility model, a kind of Emergency Assistance save space hydraulic disengaging instrument comprises: handwheel 1, one-level miniature gears 2, big gear wheel 3, secondary miniature gears 4, tooth bar 5, compressing cylinder 6, hydraulic hose 7, fuel tank 8, jacking cylinder 9, check valve 10, check valve 11, shutoff valve 12, support 13, casing 14, hand wheel shaft 15, gear wheel shaft 16, scale 17, the right side of casing 14 is provided with loop configuration, inner ring is jacking cylinder 9, the outer ring of jacking cylinder 9 is fuel tank 8, two through holes are had in the upper surface of casing 14, hand wheel shaft 15 and gear wheel shaft 16 are arranged in casing 14 by two through holes, hand wheel shaft 15 one end outside casing is provided with handwheel 1, hand wheel shaft 15 one end in casing is provided with one-level miniature gears 2, big gear wheel 3 external toothing that one-level miniature gears 2 and gear wheel shaft 16 are installed, secondary miniature gears 4 is arranged on gear wheel shaft 16, coaxial with big gear wheel 3, tooth bar 5 is arranged on the rear quarter panel of casing 14 by support 13, and engage with secondary miniature gears 4, compressing cylinder 6 is arranged on the rear quarter panel of casing 14 by support 13, piston rod and the tooth bar 5 of compressing cylinder 6 are threaded connection, compressing cylinder 6 rodless cavity one end is provided with a hydraulic fluid port, this hydraulic fluid port is by a hydraulic hose 7 points of two-way, one tunnel connects fuel tank 8, one tunnel connects the rodless cavity of jacking cylinder 9, oil circuit between compressing cylinder 6 and fuel tank 8 is provided with check valve 11, check valve 11 limits hydraulic oil can only flow to compressing cylinder 6 rodless cavity from fuel tank 8, oil circuit between compressing cylinder 6 and jacking cylinder 9 is provided with check valve 10, check valve 10 limits hydraulic oil can only flow to jacking cylinder 9 rodless cavity from the rodless cavity of compressing cylinder 6, in the upper surface of casing 14, shutoff valve 12 is housed, shutoff valve 12 one end connects fuel tank 8, the other end connects the rodless cavity of jacking cylinder 9.
The utility model, by the positive and negative rotation of handwheel 1, drives one-level miniature gears 2, big gear wheel 3, secondary miniature gears 4 and tooth bar 5, and the piston stroke realizing compressing cylinder 6 controls, thus completes oil suction and the oil extraction function of compressing cylinder 6.
Handwheel 1 center circle of the present utility model is furnished with scale 17, the jacking displacement of corresponding jacking cylinder 9 piston rod.
Owing to adopting technique scheme, the utility model device compared with prior art has good effect: can use at small space place, adopt gear transmission to increase jack torque amplification factors, handwheel 1 center circle is drawn scale, thus accurately can control the top lifting height of jacking cylinder.
Therefore, the utility model device is significant for speedily carrying out rescue work in small space, orcible entry etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that A of the present utility model is to structural representation;
Fig. 3 is schematic diagram of the present utility model;
Fig. 4 is that the B of the utility model handwheel is to structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, with a kind of detailed description of the invention of Emergency Assistance save space hydraulic disengaging instrument, the utility model is described further.
As Figure 1-4, the utility model is made up of handwheel 1, one-level miniature gears 2, big gear wheel 3, secondary miniature gears 4, tooth bar 5, compressing cylinder 6, hydraulic hose 7, fuel tank 8, jacking cylinder 9, check valve 10, check valve 11, shutoff valve 12, support 13, casing 14, hand wheel shaft 15, gear wheel shaft 16, scale 17 detailed description of the invention.Wherein:
Handwheel 1, the cooperation of passing hole pin is arranged on hand wheel shaft 15, in order to apply initial torsion, has scale 17 can measure the top lifting height of jacking cylinder 9 above center circle;
One-level miniature gears 2, coaxial with handwheel 1, install on hand wheel shaft 15;
Big gear wheel 3, with one-level miniature gears 2 external toothing, in casing 14, is arranged on gear wheel shaft 16;
Secondary miniature gears 4, coaxial with big gear wheel 3, be arranged on gear wheel shaft 16;
Tooth bar 5, engages with secondary miniature gears 4, in order to circular movement is converted into straight-line motion;
Compressing cylinder 6, its piston rod is threaded connection and is assembled together with tooth bar 5, is arranged in fuel tank 8 by support 13;
Hydraulic hose 7, for connect compressing cylinder 6 and fuel tank 8 and jacking cylinder 9 without cylinder chamber;
Fuel tank 8 is that a circular groove is arranged on the right side of casing 14, for stocking system hydraulic oil;
Jacking cylinder 9, in order to jacking weight, when making break-in tool, jacking cylinder is actuating unit;
Check valve 10, restriction fluid nonreturn flow, namely hydraulic oil only can flow to jacking cylinder 9 from compressing cylinder 6;
Check valve 11, restriction fluid nonreturn flow, namely hydraulic oil only can flow to compressing cylinder 6 from fuel tank 8;
Shutoff valve 12, controls the break-make of oil return line, in jacking process, and valve closing, in uninstall process, valve open;
Support 13, is arranged on case 14 inner, for inner member does strut member, and fixedly mounts position;
Casing 14, for parts such as mounting bracket 13, hand wheel shaft 15, gear wheel shafts 16;
Hand wheel shaft 15, is arranged on casing 14 by bearing, for installing handwheel 1 and one-level miniature gears 2;
Gear wheel shaft 16, is arranged on casing 14 by bearing, for installing big gear wheel 3 and secondary miniature gears 4;
Scale 17, portrays in handwheel 1 center circle, for measuring the top lifting height of jacking cylinder 9.
Concrete working process: user produces a moment of torsion by rotating handwheel 1, by one-level miniature gears 2, big gear wheel 3, secondary miniature gears 4, moment of torsion is amplified, secondary miniature gears 4 engages with tooth bar 5, circular movement is converted into straight-line motion, the piston rod of the moving belt dynamic pressure oil cylinder 6 of tooth bar 5 moves, and due to differential pressure action, now check valve 11 is opened, check valve 10 is closed, and hydraulic oil enters the rodless cavity of compressing cylinder 6 by check valve 11 from fuel tank 8.Rotate backward handwheel 1, now check valve 11 is closed, and check valve 10 is opened, and hydraulic oil enters the rodless cavity of jacking cylinder 9 by check valve 10 from the rodless cavity of compressing cylinder 6, thus makes jacking cylinder 9 produce displacement upwards, jack-up weight.When wanting power cut-off, opening shutoff valve 12, gently bearing down on one and rising cylinder 9 piston rod, make hydraulic oil flow back to fuel tank 8 from jacking cylinder 9 rodless cavity.This Emergency Assistance save space hydraulic disengaging instrument accurately can control the top lifting height of jacking cylinder 9 by the scale on handwheel 1 simultaneously, makes rescue or tears down safer, efficient.
Claims (3)
1. an Emergency Assistance save space hydraulic disengaging instrument, comprises handwheel (1), one-level miniature gears (2), big gear wheel (3), secondary miniature gears (4), tooth bar (5), compressing cylinder (6), hydraulic hose (7), fuel tank (8), jacking cylinder (9), check valve (10), check valve (11), shutoff valve (12), support (13), casing (14), hand wheel shaft (15), gear wheel shaft (16), scale (17), the right side of casing (14) is provided with loop configuration, inner ring is jacking cylinder (9), the outer ring of jacking cylinder (9) is fuel tank (8), two through holes are had in the upper surface of casing (14), hand wheel shaft (15) and gear wheel shaft (16) are arranged in casing (14) by two through holes, hand wheel shaft (15) one end outside casing is provided with handwheel (1), hand wheel shaft (15) one end in casing is provided with one-level miniature gears (2), one-level miniature gears (2) big gear wheel (3) external toothing of installing upper with gear wheel shaft (16), secondary miniature gears (4) is arranged on gear wheel shaft (16), coaxial with big gear wheel (3), tooth bar (5) is arranged on the rear quarter panel of casing (14) by support (13), and engage with secondary miniature gears (4), compressing cylinder (6) is arranged on the rear quarter panel of casing (14) by support (13), piston rod and the tooth bar (5) of compressing cylinder (6) are threaded connection, compressing cylinder (6) rodless cavity one end is provided with a hydraulic fluid port, this hydraulic fluid port is by a hydraulic hose (7) point two-way, one tunnel connects fuel tank (8), one tunnel connects the rodless cavity of jacking cylinder (9), oil circuit between compressing cylinder (6) and fuel tank (8) is provided with check valve (11), check valve (11) restriction hydraulic oil can only flow to the rodless cavity of compressing cylinder (6) from fuel tank (8), oil circuit between compressing cylinder (6) and jacking cylinder (9) is provided with check valve (10), check valve (10) restriction hydraulic oil can only flow to the rodless cavity of jacking cylinder (9) from the rodless cavity of compressing cylinder (6), in the upper surface of casing (14), shutoff valve (12) is housed, shutoff valve (12) one end connects fuel tank (8), the other end connects the rodless cavity of jacking cylinder (9).
2. a kind of Emergency Assistance save space hydraulic disengaging instrument according to claim 1, it is characterized in that by handwheel (1) positive and negative rotation, drive one-level miniature gears (2), big gear wheel (3), secondary miniature gears (4) and tooth bar (5), the piston stroke realizing compressing cylinder (6) controls, thus completes oil suction and the oil extraction function of compressing cylinder (6).
3. a kind of Emergency Assistance save space hydraulic disengaging instrument according to claim 1, the center circle that it is characterized in that handwheel (1) is furnished with scale (17), the jacking displacement of corresponding jacking cylinder (9) piston rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520218903.7U CN204549929U (en) | 2015-04-13 | 2015-04-13 | A kind of Emergency Assistance save space hydraulic disengaging instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520218903.7U CN204549929U (en) | 2015-04-13 | 2015-04-13 | A kind of Emergency Assistance save space hydraulic disengaging instrument |
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CN204549929U true CN204549929U (en) | 2015-08-12 |
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CN201520218903.7U Expired - Fee Related CN204549929U (en) | 2015-04-13 | 2015-04-13 | A kind of Emergency Assistance save space hydraulic disengaging instrument |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107433624A (en) * | 2017-09-20 | 2017-12-05 | 柳州欧卡机器人有限公司 | A kind of industrial robot waist mechanism of multi-angle operation |
-
2015
- 2015-04-13 CN CN201520218903.7U patent/CN204549929U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107433624A (en) * | 2017-09-20 | 2017-12-05 | 柳州欧卡机器人有限公司 | A kind of industrial robot waist mechanism of multi-angle operation |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160413 |
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CF01 | Termination of patent right due to non-payment of annual fee |