CN205527397U - Trackless portal crane - Google Patents
Trackless portal crane Download PDFInfo
- Publication number
- CN205527397U CN205527397U CN201620103303.0U CN201620103303U CN205527397U CN 205527397 U CN205527397 U CN 205527397U CN 201620103303 U CN201620103303 U CN 201620103303U CN 205527397 U CN205527397 U CN 205527397U
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- Prior art keywords
- straight beam
- guide wheel
- sleeve
- lower straight
- outer sleeve
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Abstract
The utility model discloses a trackless portal crane, its characterized in that: the hoist include lower straight beam (1) that two symmetries set up, the both ends of straight beam under every (1) all are provided with running gear (2), the axial direction department of straight beam (1) longitudinally is provided with telescopic hoist leg structure (3) under, the common support has girder (4) on the top of two telescopic hoist leg structures (3), hang (5) and still be provided with electric block on girder (4), upper portion outside telescopic hoist leg structure (3) still is provided with connecting block (6), be connected with between straight beam (1) and connecting block (6) under batter post (7). This is one kind and has gantry crane and the two advantage of movable hoist concurrently, does not nevertheless receive the trackless portal crane of track restriction.
Description
Technical field
This utility model relates to a kind of crane gear, particularly a kind of trackless gantry crane.
Background technology
Up to now, crane can be divided into two big classes according to function and form: rail hoisting machine and Norail Cranes.Wherein rail hoisting machine is divided into again two kinds: track is positioned at aerial for various bridge cranes, track be positioned at ground for gantry crane or gantry crane.All types of the most several, same lifting capacity, span and in the case of hanging height, the cost performance of gantry crane is the highest, but its shortcoming is direction along track can only to realize straight line moving on trapped orbit, has some limitations.
Norail Cranes also can be divided into two kinds: one is that crane itself does not has walking mechanism, it is impossible to mobile, as the various seas installed aboard ship are hung；Another kind is the movably crane gear such as truck crane and crawler crane.This kind of moveable crane is limited by tilting moment, its lifting capacity can be caused to diminish rapidly along with the increase of range, and truck crane must configure a sleeve fixture mechanism when lifting, therefore cannot walk after lifting；Although crawler crane is walked after can lifting by crane heavy burden, but its structure bulky, the speed of travel are slow, and when needing to turn, its radius of gyration is relatively big, and economy is poor, can be very restricted equally when application.
Summary of the invention
This utility model is to solve the above-mentioned deficiency existing for prior art, proposes one and has both gantry crane and movable crane advantage concurrently, but the trackless gantry crane not limited by track.
Technical solution of the present utility model is: a kind of trackless gantry crane, it is characterized in that: described crane includes two symmetrically arranged lower straight beams 1, the two ends of straight beam 1 are both provided with walking mechanism 2 in each of the lower, telescopic hoist lower limb structure 3 it has been longitudinally disposed at the axial centre of lower straight beam 1, girder 4 has jointly been supported on the top of two telescopic hoist lower limb structures 3, and on girder 4, it is additionally provided with electric gourd hang 5, top outside telescopic hoist lower limb structure 3 is additionally provided with contiguous block 6, it is connected between lower straight beam 1 and contiguous block 6 and has batter post 7
Described walking mechanism 2 includes the main shaft 8 being rotatably supported on lower straight beam 1, the top of main shaft 8 is bonded with worm gear 9, the worm screw 10 matched with worm gear 9 is controlled by the steer motor being positioned in lower straight beam 1, lower rotation at main shaft 8 is supported with axletree 11, described axletree 11 is bonded with the endoporus of wheel 12, one end of axletree 11 is connected with the outfan of movable motor 14 by bevel gear pair 13
Described telescopic hoist lower limb structure 3 includes the top outer sleeve 15 that be connected fixing with girder 4, the inner sleeve 16 being coaxial therewith it is socketed with in the inner chamber of outer sleeve 15, and the bottom of described inner sleeve 16 is connected with interior cylinder base 17, interior cylinder base 17 is fixedly connected on lower straight beam 1, being provided above oil cylinder 18 at inner sleeve 16, the working end of oil cylinder 18 is connected with outer sleeve 15, is provided with outer guide wheel group 19 in the bottom of outer sleeve 15, the top of inner sleeve 16 is provided with inner guide pulley group 20
Described outer guide wheel group 19 and inner guide pulley group 20 all include the most equally distributed multiple Guiding wheel structure, Guiding wheel structure includes connecting seat 21, slide block 22 is slidably connected within connecting seat 21, guide wheel 23 passes through bearing rotating support on slide block 22, and it is additionally provided with disc spring 24 at slide block 22 with being connected between seat 21, the connection seat 21 of described outer guide wheel group 19 is arranged on outer sleeve 15, the guide wheel 23 of outer guide wheel group 19 and the wall contacts of inner sleeve 16, the connection seat 21 of described inner guide pulley group 20 is arranged on inner sleeve 16, the guide wheel 23 of inner guide pulley group 20 and the contact internal walls of outer sleeve 15.
Two set spiral brakes 25 also it are symmetrically provided with in the bottom of described lower straight beam 1.
This utility model compared with the existing technology, has the advantage that
The trackless gantry crane of this kind of version, the shortcomings and limitations being individually present for traditional gantry crane and portable Norail Cranes, creatively design a kind of special structure, the two is combined dexterously, this trackless gantry crane, the advantages such as the cost performance both having possessed gantry crane is high, lifting capacity is big, can also move in the loaded state simultaneously, and due to the walking mechanism of its special construction, allow this device can make the translation of fore-and-aft direction, left and right directions in the plane, can also rotate in place simultaneously；And it is convenient in order to pass in and out Factory Building, it can also drive load to move in the vertical, allow lifting operation more flexibly, conveniently, it can be said that this trackless gantry crane is adapted to multiple occasion, possesses multiple advantage, being the significant innovation of Crane Industry, make the range of application of crane significantly expand, its application prospect and economic outlook are the most beyond measure.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model embodiment.
Fig. 2 is the side view of this utility model embodiment.
Fig. 3 is the structural representation of this utility model embodiment telescopic hoist lower limb structure division.
Fig. 4 is the structural representation of this utility model embodiment walking mechanism part.
Fig. 5 is the outer guide wheel group of this utility model embodiment or the structural representation of inner guide pulley group part.
Fig. 6 to 9 is the schematic diagram of this utility model embodiment direction of travel.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.As shown in Figures 1 to 9: a kind of trackless gantry crane, it includes that two are horizontally disposed with and the lower straight beam 1 of symmetry, the two ends of straight beam 1 are both provided with walking mechanism 2 in each of the lower, it has been longitudinally disposed telescopic hoist lower limb structure 3 at the axial centre of described lower straight beam 1, and jointly support girder 4 on the top of two telescopic hoist lower limb structures 3, this girder 4 is provided with electric gourd hang 5, and the top outside described telescopic hoist lower limb structure 3 is additionally provided with contiguous block 6, between lower straight beam 1 and contiguous block 6, it is provided with the batter post 7 for enhanced stability；
Above-mentioned walking mechanism includes rotating support main shaft 8 on lower straight beam 1, by bonded between top and the worm gear 9 of this main shaft 8, it is provided with worm screw 10 with worm gear 9 matches, this worm screw 10 is controlled by the steer motor being fixed in lower straight beam 1, go back rotating support in the bottom of main shaft 8 and have axletree 11, by bonded between this axletree 11 and endoporus of wheel 12, and one end of axletree 11 is connected with the outfan of movable motor 14 by bevel gear pair 13；
Above-mentioned telescopic hoist lower limb structure 3 includes outer sleeve 15, fix between the top of this outer sleeve 15 and the bottom surface of girder 4 and be connected, the inner sleeve 16 being coaxial therewith and can be movable relatively it is socketed with in the inner chamber of outer sleeve 15, and the bottom of this inner sleeve 16 is connected with the interior cylinder base 17 being fixedly connected on lower straight beam 1, it is provided above oil cylinder 18 at inner sleeve 16, the working end of this oil cylinder 18 is connected with outer sleeve 15, and outer guide wheel group 19 it is provided with in the bottom of outer sleeve 15, inner guide pulley group 20 then it is provided with on the top of inner sleeve 16
Above-mentioned outer guide wheel group 19 and inner guide pulley group 20 are formed by the most equally distributed multiple multiple Guiding wheel structures, and the structure of all of Guiding wheel structure is the most identical, Guiding wheel structure includes by connecting seat 21, slide block 22 is slidably connected within this connects seat 21, on slide block 22, rotating support has guide wheel 23, and it is additionally provided with disc spring 24 at slide block 22 with being connected between seat 21, the connection seat 21 of described outer guide wheel group 19 is arranged on outer sleeve 15, the guide wheel 23 of outer guide wheel group 19 and the wall contacts of inner sleeve 16, the connection seat 21 of described inner guide pulley group 20 is arranged on inner sleeve 16, the guide wheel 23 of inner guide pulley group 20 and the contact internal walls of outer sleeve 15.
The work process of the trackless gantry crane of this utility model embodiment is as follows: when needing hoisting heavy, drive four walking mechanism 2 interoperations bottom lower straight beam 1, realize the mass motion of this device, after above this device moves to weight, electric gourd hang 5 is utilized to be sling by weight, or utilize electric gourd hang 5 that weight is transported to the position of required placement, or put down after by this device weight moved to the position of required placement, it is achieved hoisting operations.
When walking mechanism is run, steer motor works, worm gear 9 is driven to rotate by worm screw 10, and then drive the main shaft 8 bonded with worm gear 9 to rotate with the axis of main shaft 8 for axle together with the wheel 12 under it, movable motor 14 works, the wheel 12 bonded with axletree 11 is driven to rotate with the axis of axletree 11 for axle by bevel gear pair 13, the combination of above-mentioned two action, can realize often overlapping the action of walking mechanism, and four walking mechanism co-operatings, move before and after can realizing the trackless gantry crane of the present embodiment, left and right translation, turn-take in angled translation and original place；
As shown in Figure 6, when the direction of 12 times straight beams 1 of 4 wheels is consistent, straight line moving as general crane,
As it is shown in fig. 7, when 4 wheels 12 and lower straight beam 1 at an angle time, can advance along this angle direction,
As shown in Figure 8, when 4 wheels 12 and lower straight beam 1 are perpendicular, this device can be driven to translate along left and right directions,
As it is shown in figure 9, when four wheels 12 and lower straight beam 1 are all in 45° angle, this device can be driven to rotate in place.
When this device of needs turnover Factory Building, telescopic hoist lower limb structure 3 is needed to drive girder 4 to move in the vertical, motor process is as follows: the oil cylinder 18 of two set telescopic hoist lower limb structures 3 works simultaneously, its working end promotes outer sleeve 15 and girder 4 to rise, inner sleeve 16 owing to being socketed in outer sleeve 15 is connected by interior cylinder base 17 is fixing with lower straight beam 1, therefore in above-mentioned course of action, outer sleeve 15 rises relative to inner sleeve 16, there is relative motion in the axial direction in the two, during the two relative motion, outer guide wheel group 19 and inner guide pulley group 20 ensure that gap therebetween remains constant, the lengthwise movement allowing girder 4 can be smoothed out；
It is slidably connected on connection seat 21 owing to supporting the slide block 22 of guide wheel 23, so due to the existence of disc spring 24, disc spring 24 can provide a direction outside pressure for guide wheel 23, thus can ensure that guide wheel 23 can be pressed on the outer wall of inner sleeve 16 or the inwall of outer sleeve 15 all the time, thus allow outer sleeve 15 and inner sleeve 16 can carry out relative motion smoothly.
The combination of each motion above-mentioned, can realize the various actions of this device.
Claims (2)
1. a trackless gantry crane, it is characterized in that: described crane includes two symmetrically arranged lower straight beams (1), the two ends of straight beam (1) are both provided with walking mechanism (2) in each of the lower, telescopic hoist lower limb structure (3) it has been longitudinally disposed at the axial centre of lower straight beam (1), girder (4) has jointly been supported on the top of two telescopic hoists lower limb structure (3), and on girder (4), it is additionally provided with electric gourd hang (5), it is additionally provided with contiguous block (6) on the top in telescopic hoist lower limb structure (3) outside, it is connected between lower straight beam (1) with contiguous block (6) and has batter post (7),
Described walking mechanism (2) includes the main shaft (8) being rotatably supported on lower straight beam (1), the top of main shaft (8) is bonded with worm gear (9), the worm screw (10) matched with worm gear (9) is controlled by the steer motor being positioned in lower straight beam (1), lower rotation at main shaft (8) is supported with axletree (11), described axletree (11) is bonded with the endoporus of wheel (12), one end of axletree (11) is connected with the outfan of movable motor (14) by bevel gear pair (13)
Described telescopic hoist lower limb structure (3) includes the fixing outer sleeve (15) being connected of top and girder (4), the inner sleeve (16) being coaxial therewith it is socketed with in the inner chamber of outer sleeve (15), and the bottom of described inner sleeve (16) is connected with interior cylinder base (17), interior cylinder base (17) is fixedly connected on lower straight beam (1), it is provided above oil cylinder (18) at inner sleeve (16), the working end of oil cylinder (18) is connected with outer sleeve (15), the bottom of outer sleeve (15) is provided with outer guide wheel group (19), the top of inner sleeve (16) is provided with inner guide pulley group (20),
Described outer guide wheel group (19) and inner guide pulley group (20) all include the most equally distributed multiple Guiding wheel structure, Guiding wheel structure includes connecting seat (21), slide block (22) is slidably connected within connecting seat (21), guide wheel (23) passes through bearing rotating support on slide block (22), and it is additionally provided with disc spring (24) at slide block (22) with being connected between seat (21), the connection seat (21) of described outer guide wheel group (19) is arranged on outer sleeve (15), the guide wheel (23) of outer guide wheel group (19) and the wall contacts of inner sleeve (16), the connection seat (21) of described inner guide pulley group (20) is arranged on inner sleeve (16), the guide wheel (23) of inner guide pulley group (20) and the contact internal walls of outer sleeve (15).
Trackless gantry crane the most according to claim 1, it is characterised in that: two sets spiral brake (25) also it are symmetrically provided with in the bottom of described lower straight beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103303.0U CN205527397U (en) | 2016-02-02 | 2016-02-02 | Trackless portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103303.0U CN205527397U (en) | 2016-02-02 | 2016-02-02 | Trackless portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205527397U true CN205527397U (en) | 2016-08-31 |
Family
ID=56775329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620103303.0U Expired - Fee Related CN205527397U (en) | 2016-02-02 | 2016-02-02 | Trackless portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205527397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540447A (en) * | 2016-02-02 | 2016-05-04 | 大连连船重工有限公司 | Trackless portal crane |
-
2016
- 2016-02-02 CN CN201620103303.0U patent/CN205527397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540447A (en) * | 2016-02-02 | 2016-05-04 | 大连连船重工有限公司 | Trackless portal crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210202 |