CN2057174U - Cantilevered lifting frame - Google Patents
Cantilevered lifting frame Download PDFInfo
- Publication number
- CN2057174U CN2057174U CN 89203967 CN89203967U CN2057174U CN 2057174 U CN2057174 U CN 2057174U CN 89203967 CN89203967 CN 89203967 CN 89203967 U CN89203967 U CN 89203967U CN 2057174 U CN2057174 U CN 2057174U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- crank
- base
- force
- umbrella tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Abstract
The utility model discloses a cantilevered lifting frame, which is a device using the hand power to lifting the load. With the connecting part of a crank and an initiative umbrella teeth adopting a force transferring device of a ratchet wheel, the load can be lifted and lowered only by the reciprocating swing of the crank, and the rotation of the crank is not needed. With a crane boom adopting a V-shaped base whose one side can be provided with wheels, the crane boom can be stably adhered on the ground. The safety of uplifting and supporting operations can be ensured, and the removal is convenient.
Description
The present invention is a kind of boom cat that adopts worm drive.Lifting, security personnel, support operation when being specially adapted to Motor Maintenance, maintenance.
CN88203194 and CN88204494 Chinese patent communique were once announced two kinds of inventor's design-calculated security personnel hoist frames, and two kinds of hoist frames all need to place it in the bottom that promotes thing and just can carry out work.Because of structural reason, the oneself height of two kinds of hoist frames all is not less than 450mm, thereby range of use is restricted.
The minibus, car, the special-use vehicle that the objective of the invention is to be lower than for the car body ground clearance 450mm provide a kind of lifting, security personnel, supported mechanical---boom cat.
The present invention is made up of transmission umbrella tooth (1), (2), shell (3), hollow cylinder (4), drive screw (5), cantilever (6), base (7), crank (8); Between crank (8) and transmission umbrella tooth one group of ratchet force transmissioning device is arranged, ratchet force transmissioning device is made up of ratchet (10), ratchet (11), spring (12) and draw ring (13); The two legs of base (7) is " ∧ " word shape, and its angle is 70 ° to 110 °, and wheel (9) is installed on base (7), and crank (8) has a prong (14), is convenient to install ratchet force transmissioning device.
Accompanying drawing 1 is a front view of the present invention; Accompanying drawing 2 is birds-eye vieies of base (7); Accompanying drawing 3 is structural representations of ratchet force transmissioning device; Accompanying drawing 4 is front view and lateral plans of crank (8).
Embodiments of the invention: ratchet (10), ratchet (11), spring (12) and draw ring (13) are combined into ratchet force transmissioning device, use its transmission umbrella tooth and crank (8) to couple together then; With the angle between two legs of base (7) make 80 °, (9) promptly constitute this product to install wheel.Crank (8) makes transmission umbrella tooth (1), (2) rotation by ratchet force transmissioning device, it is upper and lower mobile to drive cantilever (6) then, because the pressure of spring (12) inserts in the teeth groove of ratchet (10) the pawl tongue of ratchet (11), ratchet force transmissioning device is unidirectional power transmission; When needing to change the power transmission direction, as long as pulling draw ring (13), the complete same ratchet of ratchet (11) (10) is disengaged, rotate that draw ring (13) is loosened at (11) 180 ° of angles of ratchet, ratchet (11) inserts again in the ratchet slot under the pressure of spring (12) again, the power transmission direction has just changed again.
The present invention has following advantage:
1. the present invention is placed on the side that promotes thing and just can promotes operation, alleviated operator's labour intensity.
2. owing at crank and transmission umbrella between cog ratchet force transmissioning device is housed, crank only needs linear reciprocation to shake, and need not rotate, just can reach the ascending, descending purpose, makes easy to operate.
3. owing to adopted the base of " ∧ " word shape, what hoist frame can be stable adheres on the ground, has guaranteed lifting, has supported the safety of operation.
4. because wheel has been installed, make the hoist frame conveniently moving.
Claims (2)
1, a kind of boom cat, it is made up of transmission umbrella tooth (1), (2), shell (3), hollow cylinder (4), drive screw (5), cantilever (6), base (7), crank (8), it is characterized in that: is connected by one group of ratchet force transmissioning device between crank and the transmission umbrella tooth, ratchet force transmissioning device is by ratchet (10), ratchet (11), spring (12) and draw ring (13) formation; The tooth handle of transmission umbrella tooth (1) is through in the heart hole of ratchet (10), and the pawl tongue of ratchet (11) inserts in the teeth groove of ratchet (10), with spring (12) pressurization ratchet and pawl is kept in touch, and pawl extremity is installed draw ring (8).
2, according to the described boom cat of claim 1, it is characterized in that: two legs of base (7) are " ∧ " word shape, its angle is 70 ° to 110 °, and wheel (9) can be installed on base (7), and crank (8) has prong (14) with the joint portion of ratchet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203967 CN2057174U (en) | 1989-03-31 | 1989-03-31 | Cantilevered lifting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203967 CN2057174U (en) | 1989-03-31 | 1989-03-31 | Cantilevered lifting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2057174U true CN2057174U (en) | 1990-05-16 |
Family
ID=4861428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89203967 Withdrawn CN2057174U (en) | 1989-03-31 | 1989-03-31 | Cantilevered lifting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2057174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115672B (en) * | 2004-10-19 | 2010-05-26 | 德阑尼机器公司 | Load displacement apparatus |
| CN105356344A (en) * | 2015-12-11 | 2016-02-24 | 国家电网公司 | Platform for assisting disassembly and assembly of oil-charge electrical equipment respirator of transformer station |
| CN110239103A (en) * | 2019-08-01 | 2019-09-17 | 郑丽芳 | A kind of PPR pipe heat-melting butt-joint device |
-
1989
- 1989-03-31 CN CN 89203967 patent/CN2057174U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115672B (en) * | 2004-10-19 | 2010-05-26 | 德阑尼机器公司 | Load displacement apparatus |
| CN105356344A (en) * | 2015-12-11 | 2016-02-24 | 国家电网公司 | Platform for assisting disassembly and assembly of oil-charge electrical equipment respirator of transformer station |
| CN110239103A (en) * | 2019-08-01 | 2019-09-17 | 郑丽芳 | A kind of PPR pipe heat-melting butt-joint device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |