CN219058354U - Lower jacking tower crane - Google Patents
Lower jacking tower crane Download PDFInfo
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- CN219058354U CN219058354U CN202222847395.1U CN202222847395U CN219058354U CN 219058354 U CN219058354 U CN 219058354U CN 202222847395 U CN202222847395 U CN 202222847395U CN 219058354 U CN219058354 U CN 219058354U
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Abstract
The utility model relates to the technical field of tower crane equipment, and provides a lower jacking tower crane, which comprises a tower body formed by a plurality of tower body standard sections, a suspension arm and a jacking device, wherein the suspension arm and the jacking device are positioned at the top of the tower body, two or more sleeve frames sleeved on the outer side of the tower body in a sliding manner are arranged on the tower body from top to bottom, and the sleeve frames are fixedly connected with an elevator shaft in a building; the jacking device is positioned at the bottom of the tower body; the lifting device is fixedly connected with the bottom of the elevator shaft in the building, an opening is formed in one side of the bottom of the elevator shaft, the opening is used for the introduction of a lifting standard section, and when the elevator shaft is lifted, the sleeve frame can not only ensure that the elevator shaft is lifted vertically, but also support the elevator shaft in the elevator shaft, so that the torsion problem of the elevator shaft can be well solved.
Description
Technical Field
The utility model relates to the technical field of tower crane equipment, in particular to a lower jacking tower crane.
Background
201922082212.X discloses a miniature tower crane of field operation, a miniature tower crane of field operation is including setting up the tower machine foundation in the bottom, is provided with the floorbar on tower machine foundation, the floorbar is four, is annular array and arranges, installs the jacking cover frame through the floorbar on tower machine foundation, disposes jacking system on the jacking cover frame, installs the body of a tower through the floorbar is vertical on tower machine foundation. When the field operation is carried out, the components of the tower crane can be carried by manpower, and the device can adapt to the severe operation environment in which the transportation device cannot be used without the additional help of the transportation device.
The tower crane of this scheme adopts the climbing mode of jacking down, however, this mode is unsuitable for large-scale tower crane, because the tower crane is when the jacking, and all balancing moment has concentrated on the cover frame, produces torsion between cover frame and the standard festival and leads to inhomogeneous risk that can the accident.
Therefore, the present disclosure aims to solve the above problems.
Disclosure of Invention
The utility model provides a lower jacking tower crane, which is arranged in an elevator shaft of a building, wherein a jacking device is arranged at the bottom of the tower crane, a tower body is fixed on the wall of the elevator shaft through a plurality of movably connected sleeve frames, and when jacking, the tower body can be supported in the elevator shaft due to the fact that the sleeve frames are fixed on the wall of the elevator shaft, so that the torsion problem of the tower body can be well solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the lower jacking tower crane comprises a tower body formed by a plurality of tower body standard sections, a suspension arm and a jacking device, wherein the suspension arm and the jacking device are positioned at the top of the tower body, two or more sleeve frames sleeved on the outer side of the tower body in a sliding manner are arranged on the tower body from top to bottom, and the sleeve frames are fixedly connected with an elevator shaft in a building; the jacking device is positioned at the bottom of the tower body; the lifting device is fixedly connected with the bottom of the elevator shaft in the building, one side of the bottom of the elevator shaft is provided with an opening, and the opening is used for introducing the lifting standard section.
In the lower jacking tower crane, the jacking device comprises a fixing frame, a jacking frame and a jacking mechanism, wherein the fixing frame is detachably connected with the bottom of the tower body; the fixing frame is provided with fixing rods which are arranged in a cross shape; the fixing rod extends outwards with the fixing frame as the center.
In the lower jacking tower crane, the jacking frame is detachably connected with the tower body, at least 2 jacking mechanisms are arranged, one end of each jacking mechanism is fixed on the fixing frame, and the other end of each jacking mechanism is detachably fixed on the jacking frame.
In the lower jacking tower crane, the jacking mechanism is a hydraulic cylinder, and the power output end of the jacking mechanism is detachably fixed on the jacking frame; the cylinder body of the jacking mechanism is fixed on an external fixing frame.
In the lower jacking tower crane, the number of the jacking mechanisms is 2, 3, 4, 6 or 8.
In the lower jacking tower crane, the sleeve frame comprises a sleeve frame body, a plurality of rollers positioned in the sleeve frame body, a plurality of supporting frames positioned outside the sleeve frame body and a fixing plate, wherein the rollers are in contact with the tower body standard section; the support frame fixed connection is in the outside of cover frame framework, fixed plate and support frame fixed connection, fixed plate and the wall of a well fixed connection of the elevator shaft in the building.
In the lower jacking tower crane, the first connecting plates extending along the outside are arranged on the sleeve frame body in pairs, the first connecting plates are fixedly connected to the upper surface and the bottom of the sleeve frame body, first through holes are formed in the first connecting plates, second through holes matched with the first through holes are formed in one end of the support frame, and the sleeve frame body penetrates through the first through holes and the second through holes through the first connecting pieces to be fixedly connected with the support frame.
In the lower jacking tower crane, the second connecting plates perpendicular to the fixing plates are arranged on the fixing plates in pairs, third through holes are formed in the other ends of the supporting frames, fourth through holes matched with the third through holes are formed in the second connecting plates, and the fixing plates penetrate through the third through holes and the fourth through holes through second connecting pieces and are fixedly connected with the supporting frames.
In the lower jacking tower crane, the fixing plate is further provided with a plurality of fixing holes, and the fixing holes are used for fixedly connecting the sleeve frame to the wall of the elevator shaft.
In the lower jacking tower crane, the number of the sleeve frames is at least 2, and the number of the rollers in one sleeve frame is at least 4; at least 4 supporting frames are arranged in the sleeve frame; the number of the fixing plates in the sleeve frame is at least 4.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the tower crane is fixed in the elevator shaft through the plurality of movably connected sleeves, so that the torsion problem of the tower body can be well solved during jacking.
Drawings
Fig. 1 is an in-hoistway perspective view of a lower jacking tower crane of example 1;
FIG. 2 is a perspective view of a lower jacking tower crane according to example 1;
FIG. 3 is a perspective view of a jacking device of a lower jacking tower crane according to example 1;
fig. 4 is a perspective view of a jacket of the lower jacking tower crane of example 1.
In the figure: 1, a tower body; 2 elevator shaft; 3, sleeving a frame; 4, fixing a frame; 5, fixing the rod; 6, lifting up the frame; 7, a jacking mechanism; 8, opening; 9 a first connection plate; 10 supporting frames; 11 a fixing plate; 12 a first connector; 13 a first through hole; 14 a second through hole; 15 a third through hole; 16 a second connection plate; 17 a fourth through hole; 18 fixing holes; 19 sets of frame bodies; 20 idler wheels; 21 a second connector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a lower jacking tower crane comprises a tower body 1 formed by a plurality of standard sections of the tower body 1, a suspension arm and a jacking device, wherein the suspension arm and the jacking device are positioned at the top of the tower body 1, two or more sleeve frames 3 which are sleeved on the outer side of the tower body 1 in a sliding manner are arranged on the tower body 1 from top to bottom, and the sleeve frames 3 are fixedly connected with an elevator shaft 2 in a building; the jacking device is positioned at the bottom of the tower body 1; the jacking device is fixedly connected with the bottom of the elevator shaft 2 in the building, an opening 8 is formed in one side of the bottom of the elevator shaft 2, and the opening 8 is used for introducing a jacking standard knot.
Under this kind of design, the tower machine is fixed in elevator shaft 2 through a plurality of swing joint's cover frame 3, and when the jacking, under jacking device's promotion, the vertical upward movement of tower machine can be followed to the vertical ground direction, at this moment, can introduce the standard festival of jacking and body of a tower 1 fixed connection in the opening 8 department of elevator shaft 2, accomplishes the tower machine and jack-up down.
Preferably, as the tower body 1 can leave the ground in the downward lifting process, the lifting device becomes a main supporting point, and in order to keep the whole lifting device more stable and not easy to shake, the lifting device comprises a fixing frame 4, a lifting frame 6 and a lifting mechanism 7, and the fixing frame 4 is detachably connected with the bottom of the tower body 1; the fixing frame 4 is provided with a fixing rod 5 which is arranged in a cross shape; the fixing rod 5 extends outward around the fixing frame 4.
Further, in order to ensure that the jacking device is pushed more stably when the tower crane is jacked, at least 2 jacking mechanisms 7 in the jacking device are pushed in parallel, one end of each jacking mechanism 7 is fixed on the fixing frame 4, and the other end of each jacking mechanism 7 is fixed on the jacking frame 6 in a detachable mode.
As a preferable mode of the present embodiment, the jacking mechanism 7 is a hydraulic cylinder, and a power output end of the jacking mechanism 7 is detachably fixed on the jacking frame 6; the cylinder body of the jacking mechanism 7 is fixed on the external fixing frame 4, and a hydraulic cylinder is adopted because the hydraulic cylinder has the following advantages:
1. the structure is simple;
2. the output force is large and can be used as a power element with high power;
3. the working efficiency is high, and the performance is stable and reliable;
4. convenient use and maintenance, etc.
Preferably, the jacking mechanism 7 may be 2, 3, 4, 6 or 8 in consideration of the scale and cost of the tower crane.
As a further optimization of the embodiment, when the tower crane is lifted, the whole tower crane needs to be lifted vertically, so the tower crane cannot be directly fixed in the elevator shaft 2, the sleeve frame 3 comprises a sleeve frame body 19, a plurality of rollers 20 positioned in the sleeve frame body 19, a plurality of supporting frames 10 positioned outside the sleeve frame body 19 and a fixing plate 11, and the rollers 20 are in contact with the standard section of the tower body 1; the support frame 10 fixed connection is in the outside of cover frame body 19, fixed plate 11 and support frame 10 fixed connection, fixed plate 11 and the wall of a well fixed connection of the elevator shaft 2 in the building under this kind of design, through the swing joint of gyro wheel 20 in the cover frame 3, when the jacking, the tower crane can very easily rise perpendicularly to during the rising, because cover frame 3 and elevator shaft 2 fixed connection, can be fine prevent that tower body 1 from taking place to rock because of torsion.
In this embodiment, the first connection plates 9 extending along the outside are disposed on the sleeve frame 19, the first connection plates 9 are arranged in pairs, the first connection plates 9 are fixedly connected to the upper surface and the bottom of the sleeve frame 19, the first connection plates 9 are provided with first through holes 13, one end of the support frame 10 is provided with second through holes 14 matched with the first through holes 13, and the sleeve frame 19 is fixedly connected with the support frame 10 by penetrating the first connection pieces 12 through the first through holes 13 and the second through holes 14.
Further, the fixing plate 11 is provided with a second connecting plate 16 perpendicular to the fixing plate 11, the second connecting plates 16 are arranged in pairs, the other end of the supporting frame 10 is provided with a third through hole 15, the second connecting plate 16 is provided with a fourth through hole 17 matched with the third through hole 15, and the fixing plate 11 is fixedly connected with the supporting frame 10 through a second connecting piece 21 penetrating through the third through hole 15 and the fourth through hole 17.
Further, the fixing plate 11 is further provided with a plurality of fixing holes 18, and the fixing holes 18 are used for fixedly connecting the sleeve frame 3 to the wall of the elevator shaft 2.
The design of first connecting plate 9, support frame 10, fixed plate 11, support frame 10 can rotate around first connecting piece 12, and fixed plate 11 can rotate around second connecting piece 21, just so can remove fixed plate 11 and choose the optimal fixed position, guarantees the steadiness of cover frame 3.
In this embodiment, in order to ensure the stability of the vertical lifting of the tower crane, the number of the sleeves 3 is at least 2, and since most of the standard knots of the tower crane are composed of 4 main chords, the number of the rollers 20 in one sleeve 3 is at least 4; since the elevator shaft 2 is in a square shape with a hollow interior, the number of the supporting frames 10 in one cage 3 is at least 4; corresponding to the supporting frame 10, at least 4 fixing plates 11 are arranged in one sleeve frame 3.
Claims (9)
1. The lower jacking tower crane comprises a tower body formed by a plurality of tower body standard sections, a suspension arm and a jacking device, and is characterized in that two or more sleeve frames sleeved on the outer side of the tower body in a sliding manner are arranged on the tower body from top to bottom, and the sleeve frames are fixedly connected with an elevator shaft in a building; the jacking device is positioned at the bottom of the tower body; the lifting device is fixedly connected with the bottom of the elevator shaft in the building, one side of the bottom of the elevator shaft is provided with an opening, and the opening is used for introducing the lifting standard section.
2. The lower jacking tower crane according to claim 1, wherein the jacking device comprises a fixing frame, a jacking frame and a jacking mechanism, and the fixing frame is detachably connected with the bottom of the tower body; the fixing frame is provided with fixing rods which are arranged in a cross shape; the fixed rod extends outwards by taking the fixed frame as a center;
the lifting frame is detachably connected with the tower body, the number of the lifting mechanisms is at least 2, one end of each lifting mechanism is fixed on the fixing frame, and the other end of each lifting mechanism is fixed on the lifting frame in a detachable mode.
3. The lower jacking tower crane according to claim 2, wherein the jacking mechanism is a hydraulic cylinder, and a power output end of the jacking mechanism is detachably fixed on the jacking frame; the cylinder body of the jacking mechanism is fixed on an external fixing frame.
4. The lower jacking tower crane of claim 2, wherein the jacking mechanisms are 2, 3, 4, 6 or 8.
5. The lower jacking tower crane according to claim 1, wherein the sleeve frame comprises a sleeve frame body, a plurality of rollers positioned in the sleeve frame body, a plurality of supporting frames positioned outside the sleeve frame body and a fixed plate, wherein the rollers are in contact with the tower body standard section; the support frame fixed connection is in the outside of cover frame framework, fixed plate and support frame fixed connection, fixed plate and the wall of a well fixed connection of the elevator shaft in the building.
6. The lower jacking tower crane according to claim 5, wherein the sleeve frame body is provided with first connecting plates extending along the outside, the first connecting plates are arranged in pairs, the first connecting plates are fixedly connected to the upper surface and the bottom of the sleeve frame body, the first connecting plates are provided with first through holes, one end of the support frame is provided with second through holes matched with the first through holes, and the sleeve frame body is fixedly connected with the support frame through the first connecting pieces through the first through holes and the second through holes.
7. The lower jacking tower crane according to claim 6, wherein the fixing plate is provided with a second connecting plate perpendicular to the fixing plate, the second connecting plates are arranged in pairs, the other end of the support frame is provided with a third through hole, the second connecting plate is provided with a fourth through hole matched with the third through hole, and the fixing plate passes through the third through hole and the fourth through hole through the second connecting piece and is fixedly connected with the support frame.
8. The lower jacking tower crane of claim 7, wherein the fixed plate is further provided with a plurality of fixing holes for fixedly connecting the jacket to the wall of the elevator hoistway.
9. The lower jacking tower crane according to any one of claims 5-8, wherein said number of shelves is at least 2, and said number of rollers in said one shelf is at least 4; at least 4 supporting frames are arranged in the sleeve frame; the number of the fixing plates in the sleeve frame is at least 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222847395.1U CN219058354U (en) | 2022-10-27 | 2022-10-27 | Lower jacking tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222847395.1U CN219058354U (en) | 2022-10-27 | 2022-10-27 | Lower jacking tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219058354U true CN219058354U (en) | 2023-05-23 |
Family
ID=86369500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222847395.1U Active CN219058354U (en) | 2022-10-27 | 2022-10-27 | Lower jacking tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219058354U (en) |
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2022
- 2022-10-27 CN CN202222847395.1U patent/CN219058354U/en active Active
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