CN217708670U - Counter weight tray and crane - Google Patents
Counter weight tray and crane Download PDFInfo
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- CN217708670U CN217708670U CN202221659054.5U CN202221659054U CN217708670U CN 217708670 U CN217708670 U CN 217708670U CN 202221659054 U CN202221659054 U CN 202221659054U CN 217708670 U CN217708670 U CN 217708670U
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- tray
- wire rope
- steel wire
- crane
- counterweight
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model provides a counterweight tray and a crane, wherein the counterweight tray comprises a tray body and a steel wire rope device, and the two ends of the tray body are respectively a tray far end and a tray connecting end for connecting a rotary table of the crane; the steel wire rope device comprises a retractable steel wire rope, one end of the steel wire rope is detachably connected to the connecting end of the tray, and the other end of the steel wire rope is connected to the far end of the tray in a retractable mode. The utility model discloses can adjust the mechanical properties of tray through the wire rope at connection tray body both ends, taut wire rope provides an ascending pulling force to the counter weight tray for the vertical direction deformation volume of tray body edge is showing and is reducing, is connected with the tray link through wire rope, has promoted the structural strength and the rigidity of counter weight tray, adjustment self structure that can be more nimble alleviates the weight of counter weight tray at overall structure.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, especially, relate to a counter weight tray and hoist.
Background
Along with the improvement of mechanization, the application of the crane is more and more extensive, the rear parts of the rotary tables of the medium-tonnage and large-tonnage cranes are provided with counterweight devices, and the lifting performance of the crane can be improved by adding counterweights. The form kind of present revolving stage counter weight device is more, like suspension type counter weight, can convertible counter weight and bottom tray formula counter weight etc. wherein bottom tray formula counter weight structure has changed traditional counter weight loading and unloading form, superposes or takes off the balancing weight and can change the counter weight quality on the tray, saves the installation and the dismantlement link of balancing weight, has saved counter weight loading and unloading time greatly, promotes the work efficiency of hoist. However, when the tray is fully loaded with the balance weight, the deformation amount in the vertical direction is increased, the center of mass of the balance weight is shifted outwards, the stability is reduced, and the tipping risk exists. In addition, the tray structure meets the strength and rigidity requirements required by the crane, the weight of the whole structure is larger, the method of increasing the plate ribs at the bottom of the tray to improve the strength and rigidity is limited by space, and the weight reduction of the tray is not easy to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a counter weight tray and hoist, the tray body edge that aims at solving among the prior art receives the too big technical problem that causes deformation of counter weight body pressure.
In order to achieve the above object, the present invention provides a weight tray, wherein the weight tray includes:
the tray comprises a tray body, wherein two ends of the tray body are respectively a tray far end and a tray connecting end for connecting a rotary table of the crane;
and the steel wire rope device comprises a retractable steel wire rope, one end of the steel wire rope is detachably connected to the connecting end of the tray, and the other end of the steel wire rope is connected to the far end of the tray in a retractable manner.
In an embodiment of the utility model, the tray link includes the pivot that upwards stretches out from tray body's tip, and tray body is through pivot and hoist revolving stage pivotal connection.
The embodiment of the utility model provides an in, the tray link include with the hoist revolving stage on slide rail sliding fit's mobile station.
The embodiment of the utility model provides an in, wire rope's tip is equipped with first connecting piece, and the tray link is equipped with the second connecting piece, and first connecting piece can be dismantled with the second connecting piece and be connected.
The embodiment of the utility model provides an in, first connecting piece is the lifting hook, and the second connecting piece is the lug, and the lifting hook articulates on the lug.
In an embodiment of the present invention, the wire rope device includes a plurality of wire ropes, and the ends of the plurality of wire ropes connected to the distal end of the tray are spaced apart from each other.
The embodiment of the utility model provides an in, be equipped with the through hole on the tray distal end, receive the rope device still including the jack that is used for receiving and releasing wire rope, jack installs in the bottom surface of tray body, and wire rope passes the through hole and is connected with jack.
In an embodiment of the present invention, the retracting mechanism is an automatic retracting reel.
In the embodiment of the present invention, the tray body is a flat plate.
In an embodiment of the present invention, a crane is further provided, which includes the counterweight tray as described above.
Through the technical scheme, the embodiment of the utility model provides a counter weight tray has following beneficial effect:
the utility model discloses an among the scheme, the mechanical properties of tray is adjusted through the wire rope at connection tray body both ends, and taut wire rope provides an ascending pulling force to the counter weight tray, can make the vertical direction deformation volume of tray body edge show and reduce, is connected with the tray link through wire rope, has promoted the structural strength and the rigidity of counter weight tray, adjustment self structure that can be more nimble alleviates the weight of counter weight tray at overall structure. And after the steel wire rope is tensioned, compared with a stay rope-free structure, the deformation of the tray in the vertical direction can be obviously reduced, the gravity center offset of the balancing weight is reduced, and the connection stability of the balancing weight, the balancing weight tray and the crane turntable is improved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic view illustrating an assembly structure of a weight tray according to an embodiment of the present invention;
fig. 2 is an assembly structure diagram of the counterweight tray at another view angle according to an embodiment of the present invention.
Description of the reference numerals
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
40 | |
| 20 | |
50 | Crane rotary table |
| 30 | |
11 | First connecting |
| 31 | |
12 | Second connecting |
| 13 | Through hole |
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The following describes a counterweight tray according to the present invention with reference to the drawings.
As shown in fig. 1, in an embodiment of the present invention, a counterweight tray is provided, wherein the counterweight tray includes a tray body 10 and a wire rope device, two ends of the tray body 10 are a tray distal end and a tray connecting end for connecting a crane turntable 50, respectively; the steel wire rope device comprises a retractable steel wire rope 31, one end of the steel wire rope 31 is detachably connected to the connecting end of the tray, and the other end of the steel wire rope 31 is connected to the far end of the tray in a retractable mode. The tray connecting end is the end of the tray body 10 connected with the crane rotary table 50 in fig. 1, and the tray far end is the end of the tray body 10 far away from the crane rotary table 50.
The utility model provides a concrete application method of counter weight tray does: the bottom of the tray body 10 is firstly propped against by the support frame, the steel wire rope 31 is retracted into the steel wire rope device, then the counterweight block 40 is added on the tray body 10, after the counterweight block 40 is placed on the tray, the steel wire rope 31 is controlled to extend out through the steel wire rope device, the steel wire rope 31 is connected to the connecting end of the tray after bypassing the counterweight block 40 from the far end of the tray, after the steel wire rope 31 is connected, the steel wire rope 31 is controlled to retract through the steel wire rope device, the steel wire rope 31 is slowly tensioned, and after the steel wire rope 31 reaches a certain tensioning force, the support frame can be removed from the bottom of the tray body 10. The utility model discloses an among the scheme, the mechanical properties of tray is adjusted through the wire rope 31 at 10 both ends of connection tray body, and taut wire rope 31 provides an ascending pulling force to the counter weight tray, can make the vertical direction deformation volume of 10 edges of tray body show and reduce, is connected with the tray link through wire rope 31, has promoted the structural strength and the rigidity of counter weight tray, adjustment self structure that can be more nimble alleviates the weight of counter weight tray at overall structure. And wire rope 31 is taut later compare with no stay cord structure, can show the deformation volume that reduces the tray vertical direction, and the focus offset of balancing weight 40 reduces, promotes balancing weight 40, counter weight tray and 50 three's of hoist revolving stage connection stability.
In the embodiment of the present invention, the tray connecting end includes a rotating shaft 20 extending upward from the end of the tray body 10, and the tray body 10 is pivotally connected to the crane turntable 50 through the rotating shaft 20. Including rotary type counter weight tray in the common tray body 10 kind of hoist, work as the utility model discloses a when tray body 10 is the rotary type tray, tray body 10 passes through pivot 20 and the 50 pivotal connection of hoist revolving stage on the tray link, wire rope 31 can dismantle the connection on pivot 20, because tray body 10 is stationary relatively fixed with pivot 20 when tray body 10 moves, so need keep away from the one end of wire rope device with wire rope 31 and connect in pivot 20, prevent that the normal use of influencing wire rope 31 among the rotation process of tray body 10, and it is infeasible to connect wire rope 31 on the hoist revolving stage 50 with tray body 10 relative movement, can influence wire rope 31's tractive effect in the motion process of tray body 10.
The embodiment of the utility model provides an in, the tray link include with the slide rail sliding fit's on the hoist revolving stage 50 mobile station, still include translation formula counter weight tray in the common tray body 10 kinds of hoist, work as the utility model discloses a when tray body 10 is the rotary type tray, because the mobile station is fixed with tray body 10 relative static when tray body 10 moves, so need keep away from the one end of wire rope device with wire rope 31 and connect on the mobile station, its principle is unanimous with above-mentioned rotary type counter weight tray, no longer gives details here.
The embodiment of the utility model provides an in, wire rope 31's tip is equipped with first connecting piece 11, and the tray link is equipped with second connecting piece 12, and first connecting piece 11 can be dismantled with second connecting piece 12 and be connected. The purpose of setting up of first connecting piece 11 and second connecting piece 12 is that can conveniently connect and dismantle wire rope 31 for operating personnel, has improved the steadiness of connecting on having guaranteed that wire rope 31 can dismantle the basis of being connected with the tray link simultaneously, and the effectual wire rope 31 that has prevented breaks away from under the tensioning condition and is connected with the tray link.
The embodiment of the utility model provides an in, first connecting piece 11 is the lifting hook, and second connecting piece 12 is the lifting hook, and the lifting hook articulates on the lifting hook, and the detachable connection structure easy dismounting of lifting hook and lifting hook, and for conventional accessory, it is easier to acquire, very suitable first connecting piece 11 and second connecting piece 12 as in this scheme. The first connecting part 11 and the second connecting part 12 are preferably lugs and hooks, but the present invention is not limited thereto, and within the scope of the technical idea of the present invention, the technical solution of the present invention can be easily modified, and combined in any suitable way, including each specific technical feature, in order to avoid unnecessary repetition, the present invention does not separately describe the various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
In the embodiment of the present invention, as shown in fig. 2, the wire rope device includes a plurality of wire ropes 31, and the ends of the plurality of wire ropes 31 connected to the distal end of the tray are spaced apart from each other. The pulling force of the steel wire ropes 31 on the tray body 10 can be increased by pulling the tray body 10 through the steel wire ropes 31, the pressure of the balancing weight 40 on the tray body 10 is better shared, the stress on each steel wire rope 31 is reduced, and the fatigue of the steel wire ropes 31 is reduced.
In the embodiment of the present invention, the through hole 13 is disposed on the distal end of the tray, the rope winding device further includes a winding and unwinding mechanism 30 for winding and unwinding the steel wire rope 31, the winding and unwinding mechanism 30 is installed on the bottom surface of the tray body 10, and the steel wire rope 31 passes through the through hole 13 and is connected to the winding and unwinding mechanism 30. When the wire rope 31 is tensioned, an upward pulling force is generated on the retracting mechanism 30, and since the upper surface of the retracting mechanism 30 abuts against the lower surface of the pallet body 10, the retracting mechanism 30 is disposed below the pallet body 10, which is more advantageous for the wire rope 31 to pull the pallet.
In the embodiment of the present invention, the retraction mechanism 30 is preferably an automatic rope retraction reel, but the application scope of the present invention is not limited thereto, and may be other wire rope 31 retraction mechanisms 30.
The embodiment of the utility model provides an in, tray body 10 is dull and stereotyped, and balancing weight 40 is smooth to be placed on tray body 10, makes whole tray body 10's atress comparatively even.
In the embodiment of the present invention, a crane is further provided, wherein the crane includes the above counterweight tray, and the crane has the beneficial effects of all the above embodiments because the crane adopts the above counterweight tray.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A weight tray, comprising:
the tray comprises a tray body (10), wherein two ends of the tray body (10) are a tray far end and a tray connecting end used for connecting a rotary table (50) of the crane respectively;
the steel wire rope device comprises a retractable steel wire rope (31), one end of the steel wire rope (31) is detachably connected to the connecting end of the tray, and the other end of the steel wire rope (31) is connected to the far end of the tray in a retractable mode.
2. A counterweight tray according to claim 1, characterized in that said tray connection end comprises a rotary shaft (20) projecting upwards from the end of said tray body (10), said tray body (10) being pivotally connected to said crane turret (50) by means of said rotary shaft (20).
3. A counterweight tray as claimed in claim 1, wherein said tray connection end comprises a mobile station in sliding engagement with a slide rail on said crane turret (50).
4. A counterweight tray as claimed in claim 1, characterized in that the end of the steel cable (31) is provided with a first connecting member (11), the tray connecting end is provided with a second connecting member (12), and the first connecting member (11) is detachably connected with the second connecting member (12).
5. A weight plate according to claim 4, wherein the first connecting member (11) is a hook and the second connecting member (12) is a lifting eye, the hook being suspended from the lifting eye.
6. A counterweight tray according to claim 1, characterized in that said wire rope means comprises a plurality of said wire ropes (31), the ends of said plurality of said wire ropes (31) connecting the distal ends of said tray being arranged at a distance from each other.
7. A counterweight tray as set forth in claim 1, characterized in that a through hole (13) is provided at the distal end of the tray, said wire rope device further comprises a retraction mechanism (30) for retracting the wire rope (31), said retraction mechanism (30) is mounted on the bottom surface of the tray body (10), and said wire rope (31) passes through said through hole (13) to connect with said retraction mechanism (30).
8. A weight pallet according to claim 7, characterised in that the retraction mechanism (30) is an automatic take-up reel.
9. A weight tray according to claim 1, wherein the tray body (10) is a flat plate.
10. A crane, characterized in that the crane comprises a counterweight tray according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221659054.5U CN217708670U (en) | 2022-06-29 | 2022-06-29 | Counter weight tray and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221659054.5U CN217708670U (en) | 2022-06-29 | 2022-06-29 | Counter weight tray and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217708670U true CN217708670U (en) | 2022-11-01 |
Family
ID=83775270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221659054.5U Active CN217708670U (en) | 2022-06-29 | 2022-06-29 | Counter weight tray and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217708670U (en) |
-
2022
- 2022-06-29 CN CN202221659054.5U patent/CN217708670U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |