CN204297939U - Crane gear and pulley boom device - Google Patents
Crane gear and pulley boom device Download PDFInfo
- Publication number
- CN204297939U CN204297939U CN201420765923.1U CN201420765923U CN204297939U CN 204297939 U CN204297939 U CN 204297939U CN 201420765923 U CN201420765923 U CN 201420765923U CN 204297939 U CN204297939 U CN 204297939U
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- CN
- China
- Prior art keywords
- pulley
- connecting plate
- boom device
- end carriage
- crane gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pulley boom device of crane gear, the pulley beam (3) comprising end carriage (1) and be connected with described end carriage (1), described pulley beam (3) is provided with fixed pulley (4), and the end of described pulley beam (3) is fixedly connected with the medial surface of described end carriage (1).This pulley boom device significantly reduces the whole height of pulley boom device.The invention also discloses a kind of crane gear comprising above-mentioned pulley boom device.
Description
Technical field
The utility model relates to technical field of crane equipment, particularly relates to a kind of pulley boom device.In addition, the utility model also relates to a kind of crane gear comprising above-mentioned pulley boom device.
Background technology
Crane gear drives reel, winding cords to complete the device of traction work by manpower or machine power, comprise end carriage, pulley beam, reel, decelerator and motor etc., the two ends of pulley beam are connected with the end carriage of both sides respectively, pulley beam is provided with fixed pulley and assembly pulley, for lifting heavy.Pulley beam of the prior art is fixed on the upper surface of end carriage, and crane gear oneself height is higher, and when factory building height is certain, effective lifting altitude of pulley boom device reduces.
In sum, how effectively to reduce the problems such as the whole height of pulley boom device, be current those skilled in the art's urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of pulley boom device of crane gear, significantly reduces the problems such as the whole height of pulley boom device; Another object of the present utility model is to provide a kind of crane gear comprising above-mentioned pulley boom device.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A pulley boom device for crane gear, the pulley beam comprising end carriage and be connected with described end carriage, described pulley beam is provided with fixed pulley, and the end of described pulley beam is fixedly connected with the medial surface of described end carriage.
Preferably, the upper surface of the end of described pulley beam is concordant with the upper surface of described end carriage.
Preferably, the welding edges of described pulley beam has the first connecting plate, the medial surface of described end carriage is welded with the second connecting plate, and described first connecting plate and the second connecting plate all have bolt hole, and described first connecting plate and the second connecting plate are bolted.
Preferably, described first connecting plate comprises link and positioning end, the lower surface of described positioning end is connected with the upper surface of described link, the width of described positioning end is greater than the width of described link, described link is connected with the second connecting plate, and the lower surface of described positioning end is pressed on the upper surface of described second connecting plate.
Preferably, described first connecting plate is concordant with the lower surface of the second connecting plate and thickness is identical.
Preferably, the middle part of described pulley beam raises up, and described middle part is larger than the cross-sectional area of end, and described fixed pulley is arranged on the high spot at described middle part.
Preferably, the described middle part of pulley beam and the junction of end are also fixed with gusset.
Preferably, described fixed pulley is connected with assembly pulley by steel wire rope.
The utility model also provides a kind of crane gear, comprises pulley boom device and running gear, and described pulley boom device is specially the pulley boom device described in above-mentioned any one.
The pulley boom device of crane gear provided by the utility model, comprise end carriage and pulley beam, the end of pulley beam is connected with end carriage, pulley beam is provided with fixed pulley and assembly pulley, can lifting heavy, and the end of pulley beam is fixedly connected with the medial surface of end carriage.Be installed on the upper surface of end carriage relative to prior art middle pulley beam, the end of pulley beam is fixedly connected with the whole height that can reduce crane gear with the medial surface of end carriage, improves effective lifting altitude of crane gear.
The utility model also provides a kind of crane gear, comprises pulley boom device and running gear, and this pulley boom device is specially any one pulley boom device above-mentioned.Because above-mentioned pulley boom device has above-mentioned technique effect, the crane gear with this pulley boom device also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the pulley boom device that Fig. 1 provides for detailed description of the invention a kind of in the utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the partial enlarged drawing at A position in Fig. 1.
In accompanying drawing, mark is as follows:
1-end carriage, 2-second connecting plate, 3-pulley beam, 4-fixed pulley, 5-gusset, 6-first connecting plate.
Detailed description of the invention
Core of the present utility model is to provide a kind of pulley boom device of crane gear, significantly reduces the problems such as the whole height of pulley boom device; Another core of the present utility model is to provide a kind of crane gear comprising above-mentioned pulley boom device.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 to Fig. 3, the structural representation of the pulley boom device that Fig. 1 provides for detailed description of the invention a kind of in the utility model; Fig. 2 is the top view of Fig. 1; Fig. 3 is the partial enlarged drawing at A position in Fig. 1.
In a kind of detailed description of the invention, the pulley boom device of crane gear provided by the utility model, comprises end carriage 1 and pulley beam 3, and the end of pulley beam 3 is connected with end carriage 1, the quantity of end carriage 1 is two, the parallel placement of two butt beams 1, and end carriage 1 can move on the track girder of crane gear.End carriage 1 is main load bearing component, and the requirement of strength of end carriage 1 is higher.Pulley beam 3 is positioned in the middle of two butt beams 1, and the end of pulley beam 3 is fixedly connected with two butt beams 1, can ensure that the orbital distance between two butt beams 1 immobilizes, and makes two butt beam 1 keeping parallelisms, correct movement.Pulley beam 3 is provided with fixed pulley 4 and assembly pulley, utilizes fixed pulley 4 and assembly pulley can lifting heavy.The end of pulley beam 3 is fixedly connected with the medial surface of end carriage 1.Be installed on the upper surface of end carriage 1 relative to prior art middle pulley beam 3, the end of pulley beam 3 is fixedly connected with the whole height that can reduce crane gear with the medial surface of end carriage 1, improves effective lifting altitude of crane gear.
Above-mentioned pulley boom device is only a kind of preferred version, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments, and the upper surface of the end of pulley beam 3 is concordant with the upper surface of end carriage 1.The end of pulley beam 3 is fixedly connected with the medial surface of end carriage 1; the upper surface, end of pulley beam 3 can be concordant with the upper surface of end carriage 1; this is one preferably embodiment, but is not limited thereto, also can not be concordant; the upper surface, end of pulley beam 3 can be higher than the upper surface of end carriage 1; also can be lower than the upper surface of end carriage 1, concrete surmount or lowly measure, can determine according to concrete service condition; further restriction is not done to this, all in protection domain of the present utility model.
Pulley boom device provided by the utility model, in the immovable situation of other parts, the welding edges of pulley beam 3 has the first connecting plate 6, the medial surface of end carriage 1 is welded with the second connecting plate 2, first connecting plate 6 and the second connecting plate 2 all have bolt hole, and the first connecting plate 6 and the second connecting plate 2 are bolted.First connecting plate 6 is welded to the end of pulley beam 3, and the second connecting plate 2 is welded on the medial surface of end carriage 1, and the connected mode of welding is easier to the connection of both realizations, and fixation.First connecting plate 6 and the second connecting plate 2 all have bolt hole, and bolt passes the bolt hole of the first connecting plate 6 and the second connecting plate 2, with fastening nuts, both is coupled together, and is namely connected to pulley beam 3 and end carriage 1.Pulley beam 3 is not directly connected with end carriage 1, is connected with the second connecting plate 2 by the first connecting plate 6, and the intensity of general first connecting plate 6 and the second connecting plate 2 is higher, can reduce pulley beam 3 and the intensity of end carriage 1 accordingly, reduce manufacturing cost.
Obviously, under the guidance of this thought, those skilled in the art can carry out some changes according to the difference of concrete occasion to the first connecting plate 6 in above-mentioned detailed description of the invention.First connecting plate 6 comprises link and positioning end, and the lower surface of positioning end is connected with the upper surface of link, and the width of positioning end is greater than the width of link, and link is connected with the second connecting plate 2, and the lower surface of positioning end is pressed on the upper surface of the second connecting plate 2.Now the first connecting plate 6 adopts buckle type to be connected with the second connecting plate 2, the lower surface of the first connecting plate 6 positioning end is pressed on the upper surface of the second connecting plate 2, not only can locate, determine the position of the first connecting plate 6 and the second connecting plate 2, and can eliminate when pulley beam 3 is bolted with the medial surface of end carriage 1 only by bolt strained drawback.First connecting plate 6 adopts buckle type to be connected with the second connecting plate 2, force part is mainly on the lower surface of the first connecting plate 6 positioning end and the upper surface of the second connecting plate 2, and the part that can shift bolt is like this stressed, the stressed reduction of bolt, it is stressed more reasonable to make, and improves overall security.
In order to optimize technique scheme further, the first connecting plate 6 is concordant with the lower surface of the second connecting plate 2 and thickness is identical.First connecting plate 6 can be concordant with the lower surface of the second connecting plate 2, and both thickness can be identical, now more attractive in appearance; Certainly, the first connecting plate 6 can not be concordant with the lower surface of the second connecting plate 2, and both thickness is not identical, does not do further restriction to this, can determine according to concrete service condition, because mode in the cards is more, just illustrates no longer one by one here.
It is important to note that pulley boom device provided by the utility model should not be restricted to this kind of situation, the middle part of pulley beam 3 raises up, and middle part is larger than the cross-sectional area of end, and fixed pulley 4 is arranged on the high spot at middle part.The middle part of pulley beam 3 raises up, and fixed pulley 4 is arranged on boss, can move on the installation site of fixed pulley 4, and orbital plane increases to the distance of hook, can increase effective sling height of pulley boom device further.The middle part of pulley beam 3 raises up, lower surface can be concordant, also can not be concordant, preferably, pulley beam 3 lower surface is concordant, the middle part of such pulley beam 3 is larger than the cross-sectional area of end, and it should be noted that, cross-sectional area mentioned here refers to the cross section obtained along the plane cutting perpendicular to pulley beam 3 axis.The middle part of pulley beam 3 is stressed maximum, and requirement of strength is the highest, and middle part raises up, and increases the cross-sectional area of middle part, can increase the intensity in the middle part of pulley beam 3, thus can increase the overall work intensity of pulley beam 3.Meanwhile, in the tolerance range of pulley beam 3, the middle part of pulley beam 3 is larger than the cross-sectional area of end, the cross section at pulley beam 3 two ends reduces, and can alleviate the weight of pulley beam 3, saves material, after pulley beam 3 weight saving, the power of motor of use can reduce, and saves the energy.
In order to improve the intensity of pulley beam 3 further, guaranteeing the security of pulley beam 3, gusset 5 can be set up on pulley beam 3.In above-mentioned detailed description of the invention, gusset 5 can be fixed in the junction of the middle part of pulley beam 3 and end.The middle part of pulley beam 3 and the junction of end stressed comparatively large, gusset 5 can strengthen the intensity at this position, improves the intensity of pulley beam 3, makes it more solid.
On the basis of above-mentioned detailed description of the invention, those skilled in the art according to the difference of concrete occasion, can carry out some changes to pulley boom device, and fixed pulley 4 is connected with assembly pulley by steel wire rope.Pulley beam 3 is provided with fixed pulley 4 and assembly pulley, fixed pulley 4 and assembly pulley can adopt many steel wire ropes to be connected, such as eight steel wire ropes, certainly, can also be the steel wire rope of other quantity, according to the difference of concrete hoisting weight and speed, the steel wire rope of suitable quantity can be installed.Pulley beam 3 has shared the weight of most of steel wire rope, fixed pulley 4 and assembly pulley can be shared a part and play liter weight, thus the work load of reel can be reduced, the work moment of lifting motor can be reduced with this, the use power reduction of motor, reduce accordingly crane gear manufacturing cost and use cost.Further, pulley beam 3 does not bear the weight of the drive unit of steel wire rope and driving reel on reel, reel etc., make the load diatibution of crane gear more reasonable, integral layout is more evenly perfect.
Based on the pulley boom device provided in above-described embodiment, the utility model additionally provides a kind of crane gear, and this crane gear comprises pulley boom device and running gear, and its middle pulley boom device is any one pulley boom device in above-described embodiment.The pulley boom device in above-described embodiment is have employed, so the beneficial effect of this crane gear please refer to above-described embodiment due to this crane gear.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the pulley boom device of a crane gear, the pulley beam (3) comprising end carriage (1) and be connected with described end carriage (1), described pulley beam (3) is provided with fixed pulley (4), it is characterized in that, the end of described pulley beam (3) is fixedly connected with the medial surface of described end carriage (1).
2. pulley boom device according to claim 1, is characterized in that, the upper surface of the end of described pulley beam (3) is concordant with the upper surface of described end carriage (1).
3. pulley boom device according to claim 2, it is characterized in that, (3) welding edges of described pulley beam has the first connecting plate (6), the medial surface of described end carriage (1) is welded with the second connecting plate (2), described first connecting plate (6) and the second connecting plate (2) all have bolt hole, and described first connecting plate (6) and the second connecting plate (2) are bolted.
4. pulley boom device according to claim 3, it is characterized in that, described first connecting plate (6) comprises link and positioning end, the lower surface of described positioning end is connected with the upper surface of described link, the width of described positioning end is greater than the width of described link, described link is connected with the second connecting plate (2), and the lower surface of described positioning end is pressed on the upper surface of described second connecting plate (2).
5. pulley boom device according to claim 4, is characterized in that, described first connecting plate (6) is concordant with the lower surface of the second connecting plate (2) and thickness is identical.
6. pulley boom device according to claim 1, is characterized in that, the middle part of described pulley beam (3) raises up, and described middle part is larger than the cross-sectional area of end, and described fixed pulley (4) is arranged on the high spot at described middle part.
7. pulley boom device according to claim 6, is characterized in that, the described middle part of pulley beam (3) and the junction of end are also fixed with gusset (5).
8. pulley boom device according to claim 6, is characterized in that, described fixed pulley (4) is connected with assembly pulley by steel wire rope.
9. a crane gear, comprises pulley boom device and running gear, it is characterized in that, described pulley boom device is specially the pulley boom device described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765923.1U CN204297939U (en) | 2014-12-08 | 2014-12-08 | Crane gear and pulley boom device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765923.1U CN204297939U (en) | 2014-12-08 | 2014-12-08 | Crane gear and pulley boom device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204297939U true CN204297939U (en) | 2015-04-29 |
Family
ID=53103499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765923.1U Expired - Fee Related CN204297939U (en) | 2014-12-08 | 2014-12-08 | Crane gear and pulley boom device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204297939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016201A (en) * | 2015-08-15 | 2015-11-04 | 河南省华祥起重机械有限公司 | Pulley beam assembly of electric hoist |
-
2014
- 2014-12-08 CN CN201420765923.1U patent/CN204297939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016201A (en) * | 2015-08-15 | 2015-11-04 | 河南省华祥起重机械有限公司 | Pulley beam assembly of electric hoist |
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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 |
Granted publication date: 20150429 Termination date: 20201208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |