CN218560925U - Lower jacking tower crane - Google Patents
Lower jacking tower crane Download PDFInfo
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- CN218560925U CN218560925U CN202222714711.8U CN202222714711U CN218560925U CN 218560925 U CN218560925 U CN 218560925U CN 202222714711 U CN202222714711 U CN 202222714711U CN 218560925 U CN218560925 U CN 218560925U
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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 consisting of a plurality of tower body standard sections, a suspension arm positioned at the top of the tower body and a jacking frame, and is characterized in that the tower body is provided with two or more sleeve frames which are sleeved outside the tower body in a sliding manner from top to bottom, and the sleeve frames are fixedly connected with an external building; the jacking frame is positioned at the bottom of the tower body; jacking frame and external base fixed connection, when the jacking, external building can produce the pulling force to the cover frame, makes the body of the tower support in the cover frame, the torsion problem of solution body of the tower that can be fine.
Description
Technical Field
The utility model relates to a tower crane equipment technical field specifically is a lower jacking tower machine.
Background
201922082212.X discloses a miniature tower machine of field work, including setting up the tower machine basis in the bottom, is provided with the floorbar on tower machine basis, the floorbar has four, is the ring array and arranges, installs jacking set frame through the floorbar on tower machine basis, disposes jacking system on jacking set frame, vertically installs the body of the tower through the floorbar on tower machine basis. When field operation is carried out, the parts of the tower crane can be carried through manpower, and the severe operation environment that transportation equipment cannot be used can be adapted without the help of the transportation equipment.
The tower crane of this scheme adopts the mode of climbing of jacking down, however, this mode is not suitable for large-scale tower crane, because the tower crane is when the jacking, on all balancing moment have all concentrated the jacket frame, produce torsion between jacket frame and the standard festival and lead to inhomogeneous the risk that has the accident.
Therefore, the present disclosure is directed to solving the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lower jacking tower machine is equipped with the jacking frame in the bottom of tower machine, and the tower body is fixed on external building through a plurality of swing joint's cover frame, and when the jacking, because the cover frame is fixed on external building, external building can produce the pulling force to the cover frame, makes the tower body support in the cover frame, the torsion problem of solution tower body that can be fine.
In order to achieve the above object, the utility model provides a following technical scheme:
a lower jacking tower crane comprises a jacking frame, a tower body consisting of a plurality of tower body standard sections and a suspension arm positioned at the top of the tower body, wherein two or more sleeve frames which are sleeved outside 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 external building; the jacking frame is positioned at the bottom of the tower body; the jacking frame is fixedly connected with an external base.
In foretell jacking tower machine down, the climbing frame includes 2 at least climbing mechanisms, climbing mechanism's one end is fixed in on the external base, climbing mechanism's other one end is fixed on the tower body standard festival of the lower part of tower body with the detachable mode.
In the lower jacking tower crane, the jacking mechanism is an oil cylinder, and a power output end of the jacking mechanism is detachably fixed on a tower body standard section at the lower part of a tower body; and the cylinder body of the jacking mechanism is fixed on an external base.
In the lower jacking tower crane, the jacking frame comprises a jacking sleeve frame and at least 2 oil cylinders, and one side of the jacking sleeve frame is provided with an inlet for a standard joint to enter the lowest part of the tower body; the power output end of the oil cylinder is detachably fixed on a standard tower body section at the lower part of the tower body; the cylinder body of the oil cylinder is fixed on the jacking frame; the jacking frame is fixed on the base; the jacking sleeve frame is connected with the tower body through a detachable connecting piece.
In foretell jacking tower machine down, the jacking frame still includes the jacket frame, go up jacket frame and tower body standard festival with detachable mode fixed connection, it is located the top of jacking jacket frame to go up the jacket frame, the power take off end and the jacket frame fixed connection of hydro-cylinder.
In foretell jacking tower machine down, still be equipped with the connecting rod between upper jacket frame and the jacking jacket frame, the upper end and the upper jacket frame fixed connection of connecting rod, connect with the detachable mode between the lower extreme of connecting rod and the jacking jacket frame.
In foretell jacking tower machine down, the connecting rod is connected on jacking cover frame with the telescopic mode, from top to bottom be equipped with a plurality of draw-in grooves on the connecting rod, it has the latch to articulate on the jacking cover frame, the latch is used for restricting the connecting rod down and does not restrict the connecting rod and goes upward.
In the above-mentioned tower crane for jacking downwards, the number of the jacking mechanisms is 2, 3, 4, 6 or 8.
In the lower jacking tower crane, the jacking frame is connected with the external base through at least two first diagonal draw bars.
In the lower jacking tower crane, the sleeve frame comprises a sleeve frame body, a plurality of rollers and a second diagonal draw bar, wherein the rollers are positioned in the sleeve frame body and are in contact with the standard section of the tower body; one end of the second diagonal draw bar is fixedly connected with the sleeve frame body, and the other end of the second diagonal draw bar is fixedly connected with an external building.
In the lower jacking tower crane, a third inclined pull rod is further arranged outside the jacket frame body, one end of the third inclined pull rod is fixedly connected with the jacket frame body, and the other end of the third inclined pull rod is fixedly connected with an external building.
Compared with the prior art, the beneficial effects of the utility model are that:
through with cover frame and external building fixed connection, when the jacking, external building can provide the pulling force for the cover frame, fixes the tower machine in the cover frame, prevents that the tower machine from rocking, the torsion problem of solution tower body that can be fine.
Drawings
Fig. 1 is a front view of a lower jacking tower machine of embodiment 1;
fig. 2 is a side view of a lower jacking tower machine of embodiment 1;
fig. 3 is a side view of a socket of a lower jacking tower machine of embodiment 1;
fig. 4 is a perspective view of a lower jacking tower machine of embodiment 2;
fig. 5 is a front view of the lower part of a lower jacking tower crane of embodiment 2;
fig. 6 is a side view of the lower part of a lower jacking tower crane of embodiment 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a downward jacking tower crane comprises a tower body 2 composed of a plurality of tower body standard joints, a suspension arm positioned at the top of the tower body 2, and a jacking frame 6, wherein two or more sleeve frames 3 which are slidably sleeved outside the tower body 2 are arranged on the tower body 2 from top to bottom, and the sleeve frames 3 are fixedly connected with an external building 1; the jacking frame 6 is positioned at the bottom of the tower body 2; the jacking frame 6 is fixedly connected with an external base 7.
Under this kind of design, body of tower 2 is fixed on external building 1 through a plurality of swing joint's cover frame 3, and when the jacking, under the work of jacking frame 6, cover frame 3 can guarantee that body of tower 2 rises perpendicularly to because cover frame 3 fixes on external building 1, external building 1 can produce the pulling force to cover frame 3, makes body of tower 2 support in cover frame 3, the torsion problem of solution body of tower 2 that can be fine.
Further, in order to guarantee that the tower crane rises, jacking frame 6 promotes more steadily, and jacking mechanism 8 in jacking frame 6 is 2 parallelly connected promotes at least, jacking mechanism 8's one end is fixed in on external base 7, because the tower crane can be according to external building 1's height and carry out the jacking, so for jacking a lot of provides more convenient operation, jacking mechanism 8's other one end is fixed on the tower body standard festival of the lower floor of tower body 2 with the detachable mode.
Preferably, the jacking mechanism 8 is an oil cylinder, and a power output end of the jacking mechanism 8 is detachably fixed on the standard section of the tower body at the lowest layer of the tower body 2; the cylinder body of the jacking mechanism 8 is fixed on the external base 7, and the hydraulic cylinder is adopted because the hydraulic cylinder has the advantages that:
1. the structure is simple;
2. the output force is large and can be used as a high-power element;
3. the working efficiency is high, and the performance is stable and reliable;
4. convenient use and maintenance and the like.
Preferably, the jacking mechanism 8 may be 2, 3, 4, 6 or 8 in consideration of the scale and cost of the tower crane.
In this embodiment, in order to guarantee the steadiness of jacking frame 6, further strengthen jacking frame 6, connect through two piece at least first diagonal draw bars 9 between jacking frame 6 and the peripheral hardware's base 7.
As a further optimization of this embodiment, when the tower crane is lifted, the whole tower crane needs to vertically lift, and in consideration of the safety distance between the tower crane and the external building 1, the jacket frame 3 cannot be directly fixed on the external building 1, the jacket frame 3 includes a jacket frame body 10, a plurality of rollers 11 located in the jacket frame body 10, and second diagonal draw bars 4, and the rollers 11 contact with the standard sections of the tower body; one end of the second diagonal draw bar 4 is fixedly connected with the frame body 10 of the sleeve frame, and the other end of the second diagonal draw bar 4 is fixedly connected with the external building 1.
Further, a third diagonal draw bar 5 is further arranged outside the jacket frame body 10, one end of the third diagonal draw bar 5 is fixedly connected with the jacket frame body 10, and the other end of the third diagonal draw bar 5 is fixedly connected with an external building 1.
Under this kind of design, through the swing joint of gyro wheel 11 in the cover frame 3, when the jacking, the tower machine can very easy vertical rising to during the jacking, because cover frame 3 passes through second diagonal draw bar 4, third diagonal draw bar 5 and external building 1 fixed connection, external building can provide the pulling force to cover frame 3, and fine prevention shaft 2 takes place to rock because of torsion.
Example 2
Referring to fig. 4-6, a downward jacking tower crane comprises a tower body 2 composed of a plurality of tower body standard joints, a suspension arm positioned at the top of the tower body 2, and a jacking frame 6, wherein two or more sleeve frames 3 which are slidably sleeved outside the tower body 2 are arranged on the tower body 2 from top to bottom, and the sleeve frames 3 are fixedly connected with an external building; the jacking frame 6 is positioned at the bottom of the tower body 2; the jacking frame 6 is fixedly connected with an external base, the jacking frame 6 comprises a jacking sleeve frame 62 and at least 2 oil cylinders 63, and one side of the jacking sleeve frame 62 is provided with an inlet 61 for a standard joint to enter the lowest part of the tower body 2; the power output end of the oil cylinder 63 is detachably fixed on the tower body standard section at the lower part of the tower body 2; the cylinder body of the oil cylinder 63 is fixed on the jacking frame 6; the jacking frame 6 is fixed on the base; the jacking sleeve frame 62 is connected with the tower body 2 through a detachable connecting piece 68.
In this scheme, add jacking set frame 62, the tower machine function that this jacking set frame 62 and traditional top lift is similar, but, after the jacking, accessible detachable connecting piece connects jacking set frame 62 and body of the tower 2, provides more holding power for the bottom of body of the tower 2 like this. When jacking is needed, the connecting piece needs to be disassembled.
In order to further improve the jacking and not the stability when jacking, jacking frame 6 still includes upper sleeve frame 64, upper sleeve frame 64 and tower body standard festival are with detachable mode fixed connection, upper sleeve frame 64 is located jacking sleeve frame 62's top, the power take off end and the upper sleeve frame 64 fixed connection of hydro-cylinder 63. In a similar way, after the jacking, will go up the disconnection of being connected between jacket frame 64 and the body of the tower standard festival, hydro-cylinder 63 retracts, then will go up jacket frame 64 and the body of the tower standard festival reconnection, not only have jacket frame 64 fixed connection between body of the tower 2 and the jacking frame 6 like this, jacking jacket frame 62 connects in addition, like this when not jacking, body of the tower 2 stability is higher, with the cooperation of jacket frame 3, improve the lateral torsional resistance of body of the tower 2 during operation.
Preferably, a connecting rod 65 is further arranged between the upper sleeve frame 64 and the jacking sleeve frame 62, the upper end of the connecting rod 65 is fixedly connected with the upper sleeve frame 64, the lower end of the connecting rod 65 is detachably connected with the jacking sleeve frame 62, the connecting rod 65 is telescopically connected to the jacking sleeve frame 62, a plurality of clamping grooves 66 are formed in the connecting rod 65 from top to bottom, a clamping tooth 67 is hinged to the jacking sleeve frame 62, and the clamping tooth 67 is used for limiting the connecting rod 65 to move downwards and not limiting the connecting rod 65 to move upwards;
can make under the non-jacking state through connecting rod 65, go up the jacket frame 64 and jacking between the jacket frame 62 stable connection, it is preferred, through the cooperation of draw-in groove 66 and latch 67, can prevent the tower body that jacking state hydro-cylinder 63 became invalid and lead to from descending suddenly, avoid the incident. The latch 67 has a triangular structure, the upper surface of which is a plane and the lower surface of which is an inclined plane, similar to the structure of a bolt.
Preferably, the jacking sleeve frame 62 and the base are connected through a diagonal draw bar 69 to improve the stability of the jacking sleeve frame 62.
Other structures of this embodiment, such as the structure of the jacket frame 3, are the same as those of embodiment 1, and will not be described in detail.
Claims (10)
1. A down-jacking tower crane comprises a jacking frame, a tower body consisting of a plurality of tower body standard sections and a suspension arm positioned at the top of the tower body, and is characterized in that two or more sleeve frames which are sleeved outside 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 external building; the jacking frame is positioned at the bottom of the tower body; the jacking frame is fixedly connected with an external base.
2. The lower jacking tower crane according to claim 1, wherein the jacking frame comprises at least 2 jacking mechanisms, one end of each jacking mechanism is fixed on an external base, and the other end of each jacking mechanism is detachably fixed on a tower body standard knot at the lower part of the tower body.
3. The lower jacking tower crane according to claim 2, wherein the jacking mechanism is an oil cylinder, and a power output end of the jacking mechanism is detachably fixed on a tower body standard section at the lower part of the tower body; and the cylinder body of the jacking mechanism is fixed on an external base.
4. The lower jacking tower crane according to claim 1, wherein the jacking frame comprises a jacking sleeve frame and at least 2 oil cylinders, and one side of the jacking sleeve frame is provided with an inlet for a standard joint to enter the lowest part of the tower body; the power output end of the oil cylinder is detachably fixed on a standard tower body section at the lower part of the tower body; the cylinder body of the oil cylinder is fixed on the jacking frame; the jacking frame is fixed on the base; the jacking sleeve frame is connected with the tower body through a detachable connecting piece.
5. The lower jacking tower crane according to claim 4, wherein the jacking frame further comprises an upper sleeve frame, the upper sleeve frame is fixedly connected with the tower body standard knot in a detachable mode, the upper sleeve frame is located above the jacking sleeve frame, and the power output end of the oil cylinder is fixedly connected with the upper sleeve frame.
6. The lower jacking tower crane according to claim 5, wherein a connecting rod is further arranged between the upper sleeve frame and the jacking sleeve frame, the upper end of the connecting rod is fixedly connected with the upper sleeve frame, and the lower end of the connecting rod is detachably connected with the jacking sleeve frame.
7. The lower jacking tower crane according to claim 6, wherein the connecting rod is telescopically connected to the jacking sleeve frame, a plurality of clamping grooves are formed in the connecting rod from top to bottom, a clamping tooth is hinged to the jacking sleeve frame, and the clamping tooth is used for limiting the connecting rod to move downwards and not limiting the connecting rod to move upwards.
8. Lower jacking tower crane according to any one of claims 2-7, wherein the number of jacking mechanisms is 2, 3, 4, 6 or 8.
9. The lower jacking tower crane according to claim 1, wherein the jacking frame is connected with an external base through at least two first diagonal draw bars, the jacket frame comprises a jacket frame body, a plurality of rollers positioned in the jacket frame body, and a plurality of second diagonal draw bars positioned outside the jacket frame body, and the rollers are in contact with a standard joint of the tower body; one end of the second diagonal draw bar is fixedly connected with the sleeve frame body, and the other end of the second diagonal draw bar is fixedly connected with an external building.
10. The lower jacking tower crane according to claim 9, wherein a third diagonal draw bar is further arranged outside the jacket frame body, one end of the third diagonal draw bar is fixedly connected with the jacket frame body, and the other end of the third diagonal draw bar is fixedly connected with an external building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222714711.8U CN218560925U (en) | 2022-10-15 | 2022-10-15 | Lower jacking tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222714711.8U CN218560925U (en) | 2022-10-15 | 2022-10-15 | Lower jacking tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218560925U true CN218560925U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222714711.8U Active CN218560925U (en) | 2022-10-15 | 2022-10-15 | Lower jacking tower crane |
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| CN (1) | CN218560925U (en) |
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- 2022-10-15 CN CN202222714711.8U patent/CN218560925U/en active Active
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