CN204802885U - Rotatory loop wheel machine - Google Patents
Rotatory loop wheel machine Download PDFInfo
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- CN204802885U CN204802885U CN201520531143.5U CN201520531143U CN204802885U CN 204802885 U CN204802885 U CN 204802885U CN 201520531143 U CN201520531143 U CN 201520531143U CN 204802885 U CN204802885 U CN 204802885U
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Abstract
The utility model discloses a rotatory loop wheel machine, including base, stand, rotating mandrel, cantilever, billy gate and counter weight mechanism, the stand vertical fixation is on the base, rotating mandrel is rotatable to be set up in the stand, cantilever fixed connection exceeds the part on stand top at rotating mandrel, and billy gate and counter weight mechanism locate the both sides of cantilever respectively, stand top department is equipped with along the protruding edge that the stand periphery was arranged, counter weight mechanism include with cantilever fixed connection's counter weight support and with counter weight support fixed connection's counter weight axle, epaxial being connected with of counter weight can be followed the protruding rolling counter weight bearing of lower surface of following. The utility model discloses a set up protruding edge and complex counter weight bearing with it, on scientific and reasonable's the reaction force who receives counter weight mechanism transmits the stand, and do all can through the spin friction that rolling mode had been solved between counter weight mechanism and the protruding edge, so the utility model discloses rotatory loop wheel machine simple structure, convenient operation and cost are lower.
Description
Technical field
The utility model relates to loop wheel machine field, particularly relates to a kind of rotary hoist.
Background technology
Most little loop wheel machine includes base in the market, vertical rod, swivel arm and lifting appliance, vertical rod vertically inserts on base, swivel arm is positioned at vertical rod upper end can carry out 360 degree of rotations, the lifting of weight is carried out in the side that lifting appliance is positioned at swivel arm, but these little loop wheel machines all need on base or the near-end of swivel arm places weight, the balance and stability of this loop wheel machine could be realized, and this weight can not adjust accordingly with the weight of lifting object, the two ends of swivel arm are caused to be not easy to reach balance, the rotary part of swivel arm and vertical rod is finally caused easily to damage, can not use for a long time.
As can be seen here, above-mentioned existing rotary hoist with in use in structure, obviously still has inconvenience and defect, and is urgently further improved.How to found a kind of new rotary hoist of rational in infrastructure, simple and durable, become the target that current industry pole need be improved.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of new rotary hoist of rational in infrastructure, simple and durable, makes it overcome the deficiency of existing loop wheel machine not easily balance and stability.
For solving the problems of the technologies described above, the utility model provides a kind of rotary hoist, comprise pedestal, column, rotary core shaft, cantilever, billy gate and balance weight mechanism, described uprights vertical is fixed on pedestal, described rotary core shaft is rotatable to be arranged in column, described cantilever is fixedly connected on the part that rotary core shaft exceeds column top, billy gate and balance weight mechanism are located at the both sides of cantilever respectively, described column top end is provided with the convex edge arranged along column periphery, and described balance weight mechanism is provided with the tourelle that can roll along described convex edge lower surface.
Improve as one of the present utility model, described balance weight mechanism also comprises the counterweight support be fixedly connected with cantilever and the balancer shaft be fixedly connected with counterweight support, and described tourelle is the counterweight bearing be connected with described balancer shaft.
Further improvement, described balancer shaft is eccentric shaft.
Further improvement, described rotary core shaft is connected with column by two bearing structures.
Further improvement, described two bearing structures lay respectively at upper port place and the lower port place of column, described two bearing structures include bearing, bearing inner sleeve and bearing outside, described bearing inner sleeve is used for being fixedly connected with bearing inner ring and rotary core shaft, and described bearing outside is used for being fixedly connected with outside race and column.
Further improvement, described in be positioned at column upper port place bearing structure bearing adopt radial bearing, described in be positioned at column lower end mouth place bearing structure bearing adopt tapered roller bearing
Further improvement, described in be positioned at column upper port place bearing structure also comprise bearing gland, described bearing gland is fixedly connected with described convex edge.
Further improvement, described convex edge is the horizontal peripheral rim portion being positioned at column upper port place bearing outside.
Further improvement, described convex edge and column are structure as a whole.
Further improvement, is also provided with the steel rope connecting rotary core shaft and cantilever both ends above described cantilever.
Adopt above-mentioned technical scheme, the utility model at least has the following advantages:
1. the utility model is by the tourelle arranging convex edge and coordinate with it, the scientific and reasonable antagonistic force be subject to by balance weight mechanism is delivered on column, and the power suffered by balance weight mechanism increases and decreases with the weight fluctuations of weight, avoid the uncontrollable shortcoming of the weight of balance weight mechanism in existing loop wheel machine; The utility model solves the rotating friction force between balance weight mechanism and convex edge by the mode of rolling again, so the utility model rotary hoist adopts the mode of hinged cantilever manually simple to operate brisk, and cost is lower.
2. the distance connected between rotary core shaft and two bearing structures of column strengthens by the utility model, not only reduces the bending stiffness that column bears, can play again the effect of vibration-resistant.
3. the utility model is arranged in the bearing employing tapered roller bearing of the second bearing structure of column lower end mouth, from the power suffered by radial and axial both direction dispersion rotary core shaft, makes the utility model more reliable and more stable.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, and in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Fig. 1 is the schematic perspective view of the utility model rotary hoist;
Fig. 2 is the structural representation of the utility model rotary hoist;
Fig. 3 is the enlarged diagram of part B in Fig. 2;
Fig. 4 is the enlarged diagram of part A in Fig. 2.
Detailed description of the invention
Visible with reference to attached Fig. 1 and 2, the utility model rotary hoist comprises pedestal 1, column 2, rotary core shaft 3, cantilever 4, billy gate 5 and balance weight mechanism 8.
Column 2 is tubular type structure, and it is vertically fixed on pedestal 1.Rotary core shaft 3 is connected with column 2 by two bearing structures, and realizes rotating freely in column 2 inside by these two bearing structures.Cantilever 4 is fixedly connected on by rotary core axle clamp 31 part that rotary core shaft 3 exceeds column 2 top, and rotates with the rotation of rotary core shaft 3.Billy gate 5 and balance weight mechanism 8 are located at the both sides of cantilever 4 respectively, and wherein billy gate is slidably arranged on the side of cantilever 4, and this billy gate 5 is provided with lifting appliance, as pulley, steel rope and suspension hook etc., can realize slinging and putting down of weight 6.Balance weight mechanism 8 is fixedly connected with the opposite side of cantilever 4.
Visible with reference to accompanying drawing 3, the top end of the utility model central post 2 is provided with the convex edge 34 arranged along column periphery, balance weight mechanism 8 is provided with the tourelle 44 that can roll along the lower surface of this convex edge 34, this structure make billy gate 5 sling weight 6 time, the antagonistic force that balance weight mechanism 8 is subject to is passed on column 2 smoothly by this tourelle 44, and the power suffered by balance weight mechanism 8 increases and decreases with the weight fluctuations of weight 6; Can greatly reduce because weight varies in weight the rotating friction force brought because the rolling of tourelle 44 and convex edge 34 lower surface coordinates again, so the utility model adopts the mode of hinged cantilever manually simply brisk, and cost is lower.
Balance weight mechanism 8 of the present utility model also comprises the bottom that two counterweight supports 41 and balancer shaft 42, two counterweight supports 41 are fixedly connected on cantilever 4 side by side, and balancer shaft 42 is fixed on these two counterweight supports 41 with the direction being parallel to cantilever 4 axis.Above-mentioned tourelle 44 is the counterweight bearing be connected with this balancer shaft 42, or other rolling structures, as scroll wheel etc.This counterweight bearing is arranged on the nearly stud end of balancer shaft 42, and its outer ring upper surface is close to convex edge 34 lower surface that column 2 top is arranged, then, when cantilever 4 rotates, roll along this convex edge lower surface 34 in the outer ring of counterweight bearing always.End ring 43 is provided with between this counterweight bearing and counterweight support adjacent with it.
In order to improve the operability of balance weight mechanism 8 further, balancer shaft 42 of the present utility model adopts eccentric shaft, and being namely arranged in balancer shaft, to hold the counterbalance shaft portion of inner ring different from the axle center of the counterbalance shaft portion being connected to counterweight support 41, if eccentric throw is 5mm.This structure can make cantilever 4 when rotated because the existence of eccentric throw causes more being close between counterweight bearing and convex edge, is beneficial to the rolling of counterweight bearing.
In order to reduce the bending stiffness that column 2 bears, the utility model preferred embodiment is: the distance connected between rotary core shaft 3 and two bearing structures of column 2 is larger, as two bearing structures lay respectively at upper port place and the lower port place of column 2, the bending stiffness that column 2 bears can be reduced like this, the effect of vibration-resistant can be played again.These two bearing structures include bearing, bearing inner sleeve and bearing outside, and bearing inner sleeve is used for being fixedly connected with bearing inner ring and rotary core shaft, and bearing outside is used for being fixedly connected with outside race and column.
The clutch shaft bearing mechanism being positioned at column 2 upper port in the utility model embodiment comprises radial bearing 27, radial bearing inner sleeve 26 and radial bearing overcoat 28, the upper end of this radial bearing overcoat 28 is provided with horizontal outer, the upper port of column 2 is stretched out in this horizontal outer, forms above-mentioned convex edge 34.Certainly, the mode be structure as a whole with column 2 also can be taked in this convex edge 34, is beneficial to the direct transmission that balance weight mechanism 8 is stressed.
Clutch shaft bearing mechanism also comprises bearing gland 29, and this bearing gland 29 is arranged at above radial bearing 27 and radial bearing overcoat 28, and is fixedly connected with by adjusting pad 33 between bearing gland 29 with above-mentioned convex edge 34.
Visible with reference to accompanying drawing 4, in order to disperse the stressing conditions of rotary core shaft 3 further, the above-mentioned bearing being arranged in the second bearing structure of column 2 lower port adopts tapered roller bearing 22, the inner ring of this tapered roller bearing 22 is connected with the lower end intimate of rotary core shaft 3 by tapered roller bearing inner sleeve 21, and its outer ring is by the inside face compact siro spinning technology of tapered roller bearing overcoat 23 with column 2 lower port.
In addition, above cantilever 4 of the present utility model, be also provided with the steel rope 7 connecting rotary core shaft 3 and cantilever 4 both ends, for improving the rigidity of cantilever girder steel.The bottom of column 2 also can arrange through wires hole 25, for running through of circuit needed for billy gate 5.
The utility model is applicable to indoor and outdoor handling of heavy goods, and convenient transportation is simple to operate.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection domain of the present utility model.
Claims (10)
1. a rotary hoist, comprise pedestal, column, rotary core shaft, cantilever, billy gate and balance weight mechanism, described uprights vertical is fixed on pedestal, described rotary core shaft is rotatable to be arranged in column, described cantilever is fixedly connected on the part that rotary core shaft exceeds column top, billy gate and balance weight mechanism are located at the both sides of cantilever respectively, it is characterized in that, described column top end is provided with the convex edge arranged along column periphery, and described balance weight mechanism is provided with the tourelle that can roll along described convex edge lower surface.
2. rotary hoist according to claim 1, is characterized in that, described balance weight mechanism also comprises the counterweight support be fixedly connected with cantilever and the balancer shaft be fixedly connected with counterweight support, and described tourelle is the counterweight bearing be connected with described balancer shaft.
3. rotary hoist according to claim 2, is characterized in that, described balancer shaft is eccentric shaft.
4. rotary hoist according to claim 1, is characterized in that, described rotary core shaft is connected with column by two bearing structures.
5. rotary hoist according to claim 4, it is characterized in that, described two bearing structures lay respectively at upper port place and the lower port place of column, described two bearing structures include bearing, bearing inner sleeve and bearing outside, described bearing inner sleeve is used for being fixedly connected with bearing inner ring and rotary core shaft, and described bearing outside is used for being fixedly connected with outside race and column.
6. rotary hoist according to claim 5, is characterized in that, described in be positioned at column upper port place bearing structure bearing adopt radial bearing, described in be positioned at column lower end mouth place bearing structure bearing adopt tapered roller bearing.
7. rotary hoist according to claim 5, is characterized in that, described in be positioned at column upper port place bearing structure also comprise bearing gland, described bearing gland is fixedly connected with described convex edge.
8. rotary hoist according to claim 7, is characterized in that, described convex edge is the horizontal peripheral rim portion being positioned at column upper port place bearing outside.
9. the rotary hoist according to claim 1 or 7, is characterized in that, described convex edge and column are structure as a whole.
10. rotary hoist according to claim 1, is characterized in that, is also provided with the steel rope connecting rotary core shaft and cantilever both ends above described cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531143.5U CN204802885U (en) | 2015-07-21 | 2015-07-21 | Rotatory loop wheel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531143.5U CN204802885U (en) | 2015-07-21 | 2015-07-21 | Rotatory loop wheel machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204802885U true CN204802885U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520531143.5U Active CN204802885U (en) | 2015-07-21 | 2015-07-21 | Rotatory loop wheel machine |
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| CN (1) | CN204802885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986670A (en) * | 2015-07-21 | 2015-10-21 | 中国建筑设计院有限公司 | Rotating crane |
| CN107089606A (en) * | 2017-06-12 | 2017-08-25 | 无锡石油化工起重机有限公司 | Loop wheel machine installs the single armed loop wheel machine of Drying linkage lifting |
-
2015
- 2015-07-21 CN CN201520531143.5U patent/CN204802885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986670A (en) * | 2015-07-21 | 2015-10-21 | 中国建筑设计院有限公司 | Rotating crane |
| CN107089606A (en) * | 2017-06-12 | 2017-08-25 | 无锡石油化工起重机有限公司 | Loop wheel machine installs the single armed loop wheel machine of Drying linkage lifting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |