CN105417362A - Crown block capable of rising and falling - Google Patents
Crown block capable of rising and falling Download PDFInfo
- Publication number
- CN105417362A CN105417362A CN201410452056.0A CN201410452056A CN105417362A CN 105417362 A CN105417362 A CN 105417362A CN 201410452056 A CN201410452056 A CN 201410452056A CN 105417362 A CN105417362 A CN 105417362A
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- CN
- China
- Prior art keywords
- tie
- tooth bar
- winch
- crown block
- traveling crane
- 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.)
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
Provided is a crown block capable of rising and falling. The crown block capable of rising and falling mainly comprises landing legs, a top beam, a hoister, a hook and a connecting beam. The crown block capable of rising and falling is characterized in that the landing legs are composed of hydraulic cylinders; the top beam is fixedly arranged on the minor diameters of the hydraulic cylinders and can move up and down along the hydraulic cylinders; the connecting beam is further fixedly arranged at the lower end of the top beam; each power element of the hoister is a hydraulic element and hung on the connecting beam; a steel rope is wound on the hoister, and the hook is arranged at the lower end of the steel rope; universal rolling wheels are further arranged at the lower ends of the landing legs. The crown block capable of rising and falling has the advantages and the active effects that the hydraulic cylinders which can move up and down are additionally arranged on the parts of the landing legs of the crown block capable of rising and falling, so that the crown block is used more flexibly; meanwhile, the passing ability of the movement is also increased, the application range is wider, and the situation that a crown block can only be placed in a workshop or other fixed places under normal conditions previously is changed.
Description
Technical field
The invention belongs to a kind of technical field of mechanical equipment, especially relate to a kind of liftable fluid pressure type overhead traveling crane.
Background technology
Along with the development of hydraulic technique and perfect, in metallurgical, industrial and mineral, adopt the engineering goods of hydraulic work system to get more and more, the application of hydraulic technique is also in continuous expansion.Power hydraulic system is easy to realize revolution, straight-line motion owing to having, and element arrangements flexible arrangement is convenient, and can be in operation plurality of advantages such as carrying out infinite speed variation, applies widely so be obtained in each department of national economy.But at present at home and abroad in industrial and mining enterprises, the propulsion source used of overhead traveling crane is all without hydraulic technique.On overhead traveling crane, the walking of large and small car is all drive by motor, namely by a motor and the change speed gear box supporting with it on each road wheel of overhead traveling crane, overhead traveling crane walking is synchronous then by the motor of unified specification and the self-balancing principle of motor itself, the winch of overhead traveling crane relies on the speed-changing mechanism of high-performance motor and large volume, in hoisting process, once have a power failure, then special band-type brake on overhead traveling crane is relied on to prevent the whereabouts of hanging thing.
In different industries, hydraulic efficiency pressure system reflects different features, construction machinery and equipment, the reason that press adopts is that structure is simple, output strength is large. and the reason that aircraft industry adopts is lightweight, volume is little. and lathe mainly can realize stepless change, easily is automated, and can realize commutation reciprocating advantage frequently.
Simultaneously, compared with standard machinery transmission, hydraulic efficiency pressure system have as required convenient, arrange each element flexibly, lightweight, volume is little, motional inertia is little, the speed of response of hydraulic actuator is higher, can high-speed starting, braking is with reverse, its moment-ratio of inertias is also comparatively large simultaneously, and thus its acceleration capacity is stronger; Hydrostatic drive easily realizes infinite speed variation, has the advantages such as self-lubrication.
Summary of the invention
The problem to be solved in the present invention overcomes deficiency of the prior art, provides a kind of liftable fluid pressure type overhead traveling crane, can accomplish that volume structure is little, work efficiency is higher, mobile overhead traveling crane more flexibly.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of liftable overhead traveling crane, comprise supporting leg, back timber, winch, hook, tie-beam, it is characterized in that: described supporting leg is made up of the hydraulic actuating cylinder that four are vertically arranged, hydraulic cylinder piston rod and back timber are fixed, universal rolling wheel is provided with below Barrel of Hydraulic Cylinders, what described back timber lower end was also fixed is provided with tie-beam, tie-beam is provided with tooth bar, described winch comprises movable part, rotating part and housing, each several part dynamical element is Hydraulic Elements, the movable part of winch matches with the tooth bar on tie-beam, winch there is steel cable be wrapped, steel cable one end and winch are fixed, the other end is provided with hook.
Concrete, described rotating part comprises gyro-rotor, rotation motor and housing, and housing is the cylinder that an one end has cavity, and cavity end is provided with end cap, and gyro-rotor is placed in housing, fixing being arranged on end cap of rotation motor, and drives gyro-rotor to rotate.
Concrete, the dynamical element of described movable part is mobile motor, and the output shaft of mobile motor is provided with gear, and direct geared is suspended on tie-beam, and matches with the tooth bar on tie-beam.
Concrete, the shape of described tie-beam is the "T"-shaped of handstand, is provided with tooth bar at the right and left of tie-beam bottom.
Concrete, by described in epimere, movable part comprises two mobile motors, what mobile motor direction was relative is arranged on the cushion block fixing with housing, the output shaft of two mobile motors is provided with gear, direct geared is suspended on the tooth bar of tie-beam both sides, and matches with the tooth bar on tie-beam.
The advantage that the present invention has and good effect are: a kind of liftable overhead traveling crane, by adding the hydraulic actuating cylinder of energy up-and-down movement in leg portion, make the use of overhead traveling crane more flexible, too increase the crossing ability of motion simultaneously, make its field of application more extensive, change the former defect that can only be placed on factory building or other a certain fixing place under normal circumstances.
Accompanying drawing explanation
Fig. 1 is a kind of liftable overhead traveling crane contour structures schematic diagram;
Fig. 2 is fluid pressure type travelling overhead crane winding machine schematic diagram.
In figure: 1 supporting leg, 2 back timbers, 3 winchs, 4 hooks, 5 universal rolling wheels, 6 shells, 7 bearings, 8 gyro-rotors, 9 lift motors, 10 end caps, 11 cushion blocks, 12 move motor, 13 tooth bars, 14 gears, 15 tie-beams.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
A kind of liftable overhead traveling crane as shown in Figure 1, comprise supporting leg 1, back timber 2, winch 3, hook 4, tie-beam 15, it is characterized in that: described supporting leg 1 is made up of the hydraulic actuating cylinder that four are vertically arranged, the lower end of supporting leg 1 is also provided with universal rolling wheel 5, what back timber 2 was fixing is arranged on hydraulic cylinder piston rod, and can with hydraulic actuating cylinder up-and-down movement, what back timber 2 was also fixed is provided with tie-beam 15, can connect or directly weld between tie-beam 15 and back timber 2 with screw; Described winch 3 comprises housing 6, movable part and lifting part, each several part dynamical element is Hydraulic Elements, controlled by hydraulic efficiency pressure system, the output shaft of winch 3 is provided with gear 14, gear 14 is suspended on the tooth bar 13 of setting on tie-beam 15, and coordinate with tooth bar, make gear can relative to tie-beam sway.Winch 3 has steel cable to be wound around, and there is hook 4 steel cable lower end, drives steel cable and hook 4 up-and-down movements realize the lifting of article and put down when winch 3 up-and-down movement.
As shown in Figure 2, winch adopts HYDRAULIC CONTROL SYSTEM completely, comprise shell 6, bearing 7, gyro-rotor 8, lift motor 9, end cap 10, cushion block 11, mobile motor 12, tooth bar 13, gear 14, shell 6 is structures that an one end has cylindrical mouth, bearing 7 and gyro-rotor 8 can be placed in opening, bearing 7 is for supporting gyro-rotor 8, at the opening part of housing, end cap 10 is set, end cap 10 can be fixed on housing, end cap 10 there is the hole can putting into lift motor 9 output shaft, the output shaft of lift motor 9 can adopt pin to link together with gyro-rotor 8, lift motor 9 is fixed on end cap 10, the power of motor passes to S. A. by output shaft.What housing 6 was also fixed is provided with two cushion blocks 11 be fixed on winch 3, cushion block 11 is for laying mobile motor 12, mobile motor 12 is connected with gear 14, gear 14 matches with tooth bar 13, tooth bar 13 is arranged on tie-beam 15, the shape of tie-beam is the "T"-shaped of handstand, is provided with tooth at the right and left of tie-beam bottom.By the cooperation of gear 14 tooth bar 13, the transmission of power of system is gone out, make winch 3 can do movement relative to tie-beam 15.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. a liftable overhead traveling crane, mainly comprise supporting leg, back timber, winch, hook, tie-beam, it is characterized in that: described supporting leg is made up of the hydraulic actuating cylinder that four are vertically arranged, hydraulic cylinder piston rod is fixedly connected with back timber, universal rolling wheel is provided with below Barrel of Hydraulic Cylinders, what described back timber lower end was also fixed is provided with tie-beam, tie-beam is provided with tooth bar, described winch comprises movable part, rotating part and housing, the dynamical element of movable part and rotating part is Hydraulic Elements, the movable part of winch matches with the tooth bar on tie-beam, winch there is steel cable be wrapped, steel cable one end and winch are fixed, the other end is provided with hook.
2. a kind of liftable overhead traveling crane according to claim 1, it is characterized in that: described rotating part mainly comprises gyro-rotor, rotation motor and housing, housing is the cylinder that an one end has cavity, cavity end is provided with end cap, gyro-rotor is placed in housing, fixing being arranged on end cap of rotation motor, and drive gyro-rotor to rotate.
3. a kind of liftable overhead traveling crane according to claim 1, is characterized in that: the dynamical element of described movable part is mobile motor, and the output shaft of mobile motor is provided with gear, and direct geared is suspended on tie-beam, and matches with the tooth bar on tie-beam.
4. a kind of liftable overhead traveling crane according to claim 1, is characterized in that: the shape of described tie-beam is the "T"-shaped of handstand, is provided with tooth bar at the right and left of tie-beam bottom.
5. a kind of liftable overhead traveling crane according to claim 4, it is characterized in that: described movable part comprises two mobile motors, what mobile motor direction was relative is arranged on the cushion block fixing with housing, the output shaft of two mobile motors is provided with gear, direct geared is suspended on the tooth bar of tie-beam both sides, and matches with the tooth bar on tie-beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452056.0A CN105417362A (en) | 2014-09-05 | 2014-09-05 | Crown block capable of rising and falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452056.0A CN105417362A (en) | 2014-09-05 | 2014-09-05 | Crown block capable of rising and falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105417362A true CN105417362A (en) | 2016-03-23 |
Family
ID=55495987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410452056.0A Pending CN105417362A (en) | 2014-09-05 | 2014-09-05 | Crown block capable of rising and falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105417362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379757A (en) * | 2018-03-02 | 2018-08-10 | 刘砚涛 | A kind of detection device being exclusively used in respiratory protection effect |
| CN112777482A (en) * | 2021-02-19 | 2021-05-11 | 国网山东省电力公司枣庄供电公司 | Multifunctional and multipurpose hoisting storage rack |
-
2014
- 2014-09-05 CN CN201410452056.0A patent/CN105417362A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379757A (en) * | 2018-03-02 | 2018-08-10 | 刘砚涛 | A kind of detection device being exclusively used in respiratory protection effect |
| CN108379757B (en) * | 2018-03-02 | 2020-12-15 | 刘砚涛 | Detection equipment special for respiratory protection effect |
| CN112777482A (en) * | 2021-02-19 | 2021-05-11 | 国网山东省电力公司枣庄供电公司 | Multifunctional and multipurpose hoisting storage rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |
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| WD01 | Invention patent application deemed withdrawn after publication |