CN203187323U - Building tower crane capable of rotating based on injection power - Google Patents
Building tower crane capable of rotating based on injection power Download PDFInfo
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- CN203187323U CN203187323U CN 201320068757 CN201320068757U CN203187323U CN 203187323 U CN203187323 U CN 203187323U CN 201320068757 CN201320068757 CN 201320068757 CN 201320068757 U CN201320068757 U CN 201320068757U CN 203187323 U CN203187323 U CN 203187323U
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Abstract
The utility model discloses a building tower crane capable of rotating based on injection power. The building tower crane comprises a tower body (1), a rotary support (2) installed at the upper part of the tower body (1), and a rotating component installed at the upper part of the rotary support (2) and capable of rotating along a rotating axial line, wherein the rotating component comprises a balance arm (4) and a lifting arm (10), the lifting arm (10) comprises an upper suspension rod (101), a lower suspension rod (103) and a supporting member used for connecting the upper suspension rod (101) with the lower suspension rod (103), the building tower crane further comprises an injection system, the injection system comprises an air injection system or a fuel gas injection system or a hydraulic pressure injection system, the injection system comprises an injection device (11) which is installed on the rotating component and is separated from the rotating axial line by a certain distance, and the injection force generated by the injection device (11) drives the rotary support (2) to positively and negatively rotate so as to reduce the additional load of the tower body, simplify the structure of the rotary support, lower vibration and noise, ensure soft rotation and improve the rotating safety of the tower crane.
Description
Technical field
The present invention relates to the building operation tower crane, being specifically related to a kind of is the rotating tower crane for building of power based on spraying, and comprises body of the tower, and the revolution that is installed on body of the tower top is supported, be installed on revolution and support the pivoting part on top, this pivoting part comprises equilibrium arm and crane arm.
Background technology
Tower crane is the extremely important and common large-scale vertical transport equipment in building site.The revolution of existing tower machine is supported, and the mechanical type turning gear all is installed, and includes motor, retarder, toothed disc, gear and control setup, and this mechanical type turning gear has brought following drawback: 1, complex structure, maintenance and installation difficulty; 2, from great, strengthened the increment load of body of the tower; 3, cost height; 4, crane arm in use because the load effect produces vibration sometimes and impacts, causes premature wear and damage for easily gear and the gear ring of turning gear.For solving and improving above-mentioned technical matters, people also make every effort to seek the revolution that alternate manner realizes turning round support except the prior mechanical turning gear is improved for many years.
German patent DE1903697A1 discloses and has a kind ofly installed by engine-driven spiral propeller device at tower machine cantilever end, utilize the horizontal wind-force of the blade rotation generation of propeller device to drive the cantilever rotation, thereby realize revolution support gyroscopic movement, adopt this method to need not the mechanical type turning gear, preferably resolve above-mentioned technical matters, but it need install parts such as high-performance driving engine and supplemental support in the crane arm end, the deadweight of its screw drives device will produce very big additional bending moment to the root of crane arm, reduce the performance of hoisting crane, during screw drives device work simultaneously, blower impeller rotates at a high speed and is easy to generate vibration and noise, its vibrations bring harm safely can for the tower machine, noise effect people's health, in case and fan come off, will damage to people's safety.
Summary of the invention
Technical matters to be solved by this invention provide a kind ofly effectively alleviate tower machine increment load, improve lifting performance, guarantee tower machine revolution safety be the rotating tower machine for building of power based on spraying.
For solving the problems of the technologies described above, a kind of technical scheme that adopts for the rotating tower machine for building of power based on injection of the present invention is: comprise body of the tower, the revolution that is installed on body of the tower top is supported, but be installed on the rotating pivoting part of wraparound shaft axis that top is supported in revolution, this pivoting part comprises equilibrium arm and crane arm, crane arm comprises hanging stick, following hanging stick be connected, the load-carrying element of following hanging stick, also comprise injection system, injection system comprises air-injection system or fuel gas injection system or hydraulic pressure injection system, injection system comprise be installed on the pivoting part and with rotation axis jetting system separated by a distance, the jet power that jetting system produces drives revolution and is just supporting, the contrarotation campaign.
Further, jetting system comprises the control cock of nozzle and control nozzle ejection, and nozzle preferably is installed on the end of crane arm and/or equilibrium arm.
Preferably, the injection direction of nozzle immobilizes, its injection direction and crane arm or equilibrium arm longitudinal axis horizontal vertical.
Preferably, nozzle can be to horizontal direction and downward direction rotary-jet, and rotation angle range is 180 °.
Further, air-injection system or hydraulic pressure injection system also comprise Compressor Group, pipeline group, and pipeline group comprises connecting tube and sets up pipeline.
Preferably, upper and lower hanging stick is used for setting up pipeline with the load-carrying element that is connected described upper and lower hanging stick, and perhaps upper and lower hanging stick is used for setting up pipeline with the load-carrying element that is connected upper and lower hanging stick two ends.
Further, setting up pipeline can also set up along equilibrium arm or crane arm individually.
Further, revolution is supported and is comprised rotary disk, lower fixed disk, the swing bearing between last rotary disk and lower fixed disk and normally closed brake.
Further, normally closed brake comprises the swinging friction braking parts that are connected on the rotary disk, and is connected in the fixed type friction means on the body of the tower.
Preferably, control cock and normally closed brake adopt interlock control.
Of the present inventionly a kind ofly be the rotating tower machine for building of power based on spraying, can bring following beneficial effect with respect to prior art:
1, because the tower machine also comprises injection system, injection system comprises air-injection system or fuel gas injection system or hydraulic pressure injection system, injection system comprise be installed on the pivoting part and with axis of revolution jetting system separated by a distance, the jet power that jetting system produces drives revolution and supports forward and reverse rotatablely moving, reduce the body of the tower increment load, simplified the structure that revolution is supported, reduced vibrations and noise, make revolution softer, improved tower machine revolution safety.
2, nozzle is installed on the end of crane arm or equilibrium arm, injection direction and crane arm or equilibrium arm longitudinal axis horizontal vertical, especially be installed in the end of crane arm, nozzle relatively only needs less jet power just can drive the revolution supporting movement, because of jetting system from heavy and light, reduce the additional bending moment of crane arm relatively, promoted the lifting performance of tower machine.
3, nozzle can be to horizontal direction and downward direction rotary-jet, rotation angle range is " 180 °, can also obtain different horizontal-jet power and the jet power that makes progress by the pivot angle of adjusting rotating head, wherein different horizontal-jet power can be controlled speed of revolutions, jet power upwards can be offset a part of hook load, thereby alleviate the increment load of crane arm 10, turn round more steady and safety.
4, because existing tower machine crane arm adopts tubing as hanging stick and load-carrying element usually, hanging stick and the load-carrying element of crane arm are used as setting up pipeline, need not to lay in addition pipeline, simplify the structure, except reducing the increment load on the crane arm, reduced outside the cost, for adopting air-injection system or hydraulic pressure injection system, because being full of high-pressure medium in the hanging stick that constitutes crane arm and the load-carrying element, increase the bending strength of crane arm relatively, improved tower machine lifting performance.
5, drg adopts the normally closed friction brake of band friction means, and control cock and drg adopt interlock control, has simplified the structure that revolution is supported, and has guaranteed the rotating reliability of crane arm and safety.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the injection system scheme drawing of the embodiment of the invention 1;
Fig. 3 is that the crane arm cantilever end right side of the embodiment of the invention 1 is to structural representation;
Fig. 4 is the injection system scheme drawing of the embodiment of the invention 2;
Fig. 5 is the crane arm cantilever end dextrad structural representation of the embodiment of the invention 2,
Fig. 6 is the injection system scheme drawing of the embodiment of the invention 3;
Fig. 7 is the jetting system structure for amplifying scheme drawing of the embodiment of the invention 3;
Fig. 8 is the crane arm cantilever end dextrad structural representation of the embodiment of the invention 3;
Fig. 9 is the injection system scheme drawing of the embodiment of the invention 4; And
Figure 10 is the embodiment of the invention 4 jetting system lateral view.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment 1
As shown in Figure 1, of the present inventionly a kind ofly be the rotating tower machine embodiment for building of power based on spraying, comprise body of the tower 1, the revolution that is installed on body of the tower 1 top supports 2, but be installed on revolution and support the rotating pivoting part of 2 top wraparound shaft axis, this pivoting part comprises equilibrium arm 4, crane arm 10, tower cap 9.Wherein at equilibrium arm 4 lifting winch 5, crane carriage winch 6 are installed, counterweight 3 is equipped with crane carriage 12, suspension hook 13 at crane arm 10.One end of equilibrium arm 4 and crane arm 10 respectively by ship and resell on another market 7 and 701 and body of the tower 1 hinged, be connected with digonal link 8 between the top of the other end of equilibrium arm 4 and tower cap 9, be connected by two groups of digonal links 801,802 between the top of the other end of crane arm 10 and tower cap 9, other member of tower machine and annexation are identical with existing tower machine, do not repeat them here.
Top in tower machine revolution support 2 is equipped with injection system, injection system comprises air-injection system or fuel gas injection system or hydraulic pressure injection system, injection system comprise be installed on the pivoting part and with rotation axis jetting system 11 separated by a distance, the jet power that is produced by jetting system 11 drives revolution and supports 2 forward and reverse rotatablely moving.
In the present embodiment, injection system adopts air-injection system.Air-injection system comprises air compressor unit 15, pipeline group 14 and jetting system 11, wherein air compressor unit 15 be installed in revolution support 2 above.
Referring to Fig. 2 and Fig. 3, air compressor unit 15 comprises motor 151, air compressor 152, air receiver 153 and limiting valve 154.Air compressor unit 15 is existing standard equipment, can select different models according to the needs of system pressure and flow.
For last hanging stick 101, down hanging stick 103 and be connected upper and lower hanging stick 101,103 draw tiltedly that load-carrying element 102 and horizontal support elements 104 constitute set up pipeline 142, require the welding process of pipeline 142 higher, the phenomenon of trachoma and gas leakage must not be arranged.
Referring to Fig. 3, the middle part of tiltedly drawing load-carrying element 102 at crane arm 10 is provided with cross-tie pipe 105, this cross-tie pipe 105 and both sides tiltedly draw load-carrying element 102 to be connected to communicate, hang the two ends that at cross-tie pipe 105 and be separately installed with jetting system 11, specifically, each end at cross-tie pipe 105 is equipped with control cock 111 successively, shares pipe 112, nozzle 113, and this control cock 111 is one two one logical valves.Need the left side to spray and start left side control cock 111, need the right to spray and start the right control cock 111.Wherein the injection direction of nozzle 113 and crane arm 10 longitudinal axis horizontal vertical are convenient to obtain best jeting effect.
According to analyzing as can be known, the moment of gyration that jetting system 11 produces is relevant with the distributed quantity of the distance of nozzle 113 and center of gyration, gaseous tension, nozzle 113, after position, the gaseous tension of nozzle 113 are determined, the quantity of can also turning force as required determining nozzle 113, the jetting system 11 of present embodiment adopts 2 groups of nozzles 113.
Produce gyroscopic movement owing to rely on jetting system 11 to drive revolution support 2 as propulsion source, therefore, revolution is supported on 2 members such as motor, retarder, gear and gear ring no longer is installed, i.e. revolution is supported 2 and is comprised the last rotary disk that links together with pivoting part is installed, the lower fixed disk that links together with body of the tower, and the swing bearing between last rotary disk and lower fixed disk, normally closed brake and control setup.Drg comprises the swinging friction braking parts that are connected on the rotary disk, and is connected in the fixed type friction means on the body of the tower 1.Its swinging friction braking parts were not in braking mode when normally closed brake was not worked, that is to say the pivoting part that is connected rotary disk top, comprise that crane arm 10 grades all are in braking mode, when having only drg work, be connected the pivoting part on rotary disk top, comprise that crane arm 10 grades just are in free state.
Concrete structure and the drg of revolution support 2 are the prior art category, therefore do not repeat them here.
Principle of work
Referring to Fig. 2 and Fig. 3, the work of tower machine, starter motor 151, inflation pump 152 charges into high pressure gas to air receiver 153, the high pressure gas of air receiver 153 through pipeline 14 be full of constitute weighing arm 10 on, following hanging stick 101,103 and tiltedly draw load-carrying element, horizontal support elements 102, in 104 the pipeline, on air receiver 153 and formation weighing arm 10, following hanging stick 101,103 and tiltedly draw load-carrying element, horizontal support elements 102,104 ducted high pressure gas reach setting value, its limiting valve 154 actions, motor 151 stops, high pressure gas are lower than setting value, limiting valve 154 actions, motor 151 starts, circulation repeatedly thus keeps the gaseous tension of system pipeline to maintain in the range of set value.
When revolution support 2 needs counter clockwise rotation, interlock starts drg and control cock 111, drg loosens makes pivoting part comprise that crane arm 10 is in free state, the control cock 111 that is positioned at lower-left hanging stick 103 is opened the gas injection channel, high pressure gas from lower-left hanging stick 103 through control cock 111, share pipe 112 and be located at two groups of nozzles 113 that share on the pipe 112 and spray simultaneously, gas swings crane arm 10 to the right to the antagonistic force of nozzle 113, drive revolution and support 2 inhour rotations, when crane arm 10 swings to the position that needs to the right, drg and control cock 111 are closed in interlock, crane arm 10 brakings, revolution is supported 2 and is finished a counter-clockwise working cycle thus.
Equally, when revolution support 2 needs positive hour hands to turn round, interlock starts drg and the control cock 111 in the revolution support 2, drg loosens makes crane arm 10 be in free state, the control cock 111 that is positioned at bottom right hanging stick 103 is opened the gas injection channel, high pressure gas from bottom right hanging stick 103 through control cock 111, share pipe 112 and be located at two groups of nozzles 113 that share on the pipe 112 and spray simultaneously, gas swings crane arm 10 left to the antagonistic force of nozzle 113, drive revolution and support 2 positive hour hands rotations, when crane arm 10 swings to the position that needs left, drg and control cock 111 are closed in interlock, crane arm 10 brakings, revolution is supported and is finished a positive hour hands working cycle thus.
More than introduced the air-injection system of air as ejection medium, if when adopting water as the hydraulic pressure injection system of ejection medium, air compressor unit 15 is the hydraulic press unit, and air compressor 152 is hydraulic press, need not air receiver 153.All the other contents are identical with air-injection system.
Embodiment 2
Referring to Fig. 4 and Fig. 5, it is different with jetting system 11 that present embodiment and the difference of embodiment 1 are to set up pipeline 142.Wherein, setting up pipeline 142 sets up along crane arm 10 separately, setting up pipeline 142 usefulness bracing frames 106 is fixed on the crane arm 10, cantilever end end at crane arm 10, jetting system 11 with set up pipeline 142 and be connected, the control cock 111 of jetting system 11 adopts three two-way valves, be connected with shared pipe 112 respectively in the both sides of this control cock, nozzle 113, namely control cock 111 nozzle 113 that can control both sides sprays, when needing nozzle 113 injections on the left side, control cock 111 is opened the gas passage on the left side, when needing nozzle 113 injections on the right, control cock 111 is opened the gas passage on the right, and the injection direction of nozzle immobilizes.
Embodiment 3
Referring to Fig. 6, Fig. 7 and Fig. 8, be that with the difference of embodiment 1 and embodiment 2 nozzle 113 can be to horizontal direction and downward direction rotary-jet, the scope of the anglec of rotation is " 180 °.Cantilever end end at crane arm 10, one end of rotating head 18 with set up pipeline 142 and be connected, the other end of rotating head 18 is connected with two one logical control cock 111, a side of these two logical control cock 111, be fixedly connected with nozzle 113, when nozzle 113 sprays, can be by adjusting the anglec of rotation of rotating head 18, to obtain different horizontal-jet power and the jet power that makes progress, wherein different horizontal-jet power can be controlled speed of revolutions, jet power upwards can be offset a part of hook load, thereby alleviates the increment load of crane arm 10.
Embodiment 4
Referring to Fig. 9 and Figure 10, the present embodiment difference from Example 1 is, the injection system of embodiment 1 adopts air as the air-injection system of ejection medium or the water hydraulic pressure injection system as ejection medium, the injection system of present embodiment adopts combustion gas as the fuel gas injection system of ejection medium, this fuel gas injection system, include the fuel tanks 161 that are installed in above the revolution support 2, be installed in the oil pump 162 on the fuel tank 161, be installed in the Oil pump electrical machinery 163 on the oil pump 162, also comprise the blower fan 164 that is installed in the revolution support 2, be installed in the blower motor 165 on the blower fan 164, connecting tube 141, what be connected with crane arm 10 sets up pipeline 142, with set up fuel injection valve 22 and the air inlet valve 21 that pipeline 142 is connected, be connected and be positioned at the combustion chamber 20 of crane arm 10 cantilever end ends with air inlet valve 21 with fuel injection valve 22, be positioned at the ignition device 19 on the combustion chamber 20, and the jetting system 11 that is connected with combustion chamber 20 both sides.
The appurtenances of fuel gas injection are many, but have system from heavy and light, characteristics that jet power is big.
Principle of work is: the work of tower machine, start oil pump 163, blower fan 164, high pressure oil and pressurized air are through connecting tube 141, set up pipeline 142 to fuel injection valve 22 and air inlet valve 21, when needing revolution, start fuel injection valve 22 and air inlet valve 21 and ignition device 19 simultaneously, fuel oil enters combustion chamber 20 and produces high-temperature high-pressure fuel gas with the abundant mixed firing of air, control cock 111 by control jetting system 11 left sides or the right, high-temperature high-pressure fuel gas sprays from the nozzle 113 that is positioned at jetting system 11 left sides or the right, drives crane arm 10 left sides thus, the right-hand rotation motion.
Present embodiment can also make up with embodiment 1 or embodiment 3, and namely the hanging stick 103 of crane arm 10 is used for setting up pipeline 142, and perhaps nozzle 113 can be to horizontal direction and downward direction rotary-jet.
From the description of above embodiment as can be known, of the present inventionly a kind ofly be the rotating tower machine for building of power based on spraying, the jet power that produces by the jetting system 11 that is installed on the pivoting part drives revolution support 2 forward and reverse rotatablely moving, reduced the body of the tower increment load, simplified the structure that revolution is supported, reduced vibrations and noise, made revolution softer, improved tower machine revolution safety, be easy to be extended and applied.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. be the rotating tower machine for building of power based on spraying, comprise body of the tower (1), (2) are supported in the revolution that is installed on body of the tower (1) top, be installed on revolution support (2) but the rotating pivoting part of wraparound shaft axis on top, this pivoting part comprises equilibrium arm (4) and crane arm (10), described crane arm (10) comprises hanging stick (101), following hanging stick (103) be connected described on, following hanging stick (101,103) load-carrying element, it is characterized in that, also comprise injection system, described injection system comprises air-injection system or fuel gas injection system or hydraulic pressure injection system, described injection system comprise be installed on the described pivoting part and with described rotation axis jetting system (11) separated by a distance, the jet power that described jetting system (11) produces is driving described revolution and is just supporting (2), the contrarotation campaign.
2. according to claim 1 is the rotating tower machine for building of power based on spraying, it is characterized in that, described jetting system (11) comprises nozzle (113) and controls the control cock (111) that described nozzle (113) sprays that described nozzle (113) is installed on the end of described crane arm (10) and/or equilibrium arm (4).
3. according to claim 2 based on spraying for the rotating tower machine for building of power, it is characterized in that the injection direction of described nozzle (113) immobilizes, its injection direction and described crane arm (10) or equilibrium arm (4) longitudinal axis horizontal vertical.
4. according to claim 2ly be the rotating tower machine for building of power based on spraying, it is characterized in that described nozzle (113) can be to horizontal direction and downward direction rotary-jet, the scope of the described anglec of rotation is " 180 °.
5. according to claim 1 is the rotating tower machine for building of power based on spraying, it is characterized in that, described air-injection system or hydraulic pressure injection system also comprise Compressor Group (15), pipeline group (14), and described pipeline group (14) comprises connecting tube (141) and sets up pipeline (142).
6. according to claim 5 is the rotating tower machine for building of power based on spraying, it is characterized in that, described upper and lower hanging stick (101,103) is used for the described pipeline (142) that sets up with the load-carrying element that is connected described upper and lower hanging stick (101,103), and perhaps described upper and lower hanging stick (101,103) is used for the described pipeline (142) that sets up with the load-carrying element that is connected described upper and lower hanging stick (101,103) two ends.
7. according to claim 5 based on spraying for the rotating tower machine for building of power, it is characterized in that the described pipeline (142) that sets up can also set up along described equilibrium arm (4) or crane arm (10) individually.
8. according to claim 1 is the rotating tower machine for building of power based on spraying, it is characterized in that described revolution supports that (2) comprise rotary disk, lower fixed disk, swing bearing and normally closed brake on described between rotary disk and the lower fixed disk.
9. according to claim 8 is the rotating tower machine for building of power based on spraying, it is characterized in that, described normally closed brake comprises the swinging friction braking parts that are connected on the described upward rotary disk, and is connected in the fixed type friction means on the described body of the tower (1).
10. describedly be the rotating tower machine for building of power based on spraying according to claim 2 or 11, it is characterized in that described control cock (111) and normally closed brake adopt interlock to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068757 CN203187323U (en) | 2013-02-06 | 2013-02-06 | Building tower crane capable of rotating based on injection power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068757 CN203187323U (en) | 2013-02-06 | 2013-02-06 | Building tower crane capable of rotating based on injection power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203187323U true CN203187323U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068757 Expired - Lifetime CN203187323U (en) | 2013-02-06 | 2013-02-06 | Building tower crane capable of rotating based on injection power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203187323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689397A (en) * | 2020-06-29 | 2020-09-22 | 西南科技大学 | Truss hoisting and angle adjusting method |
| CN112279122A (en) * | 2020-11-27 | 2021-01-29 | 江西省丰和泰重工科技有限公司 | Tower crane's balancing weight positioning mechanism |
-
2013
- 2013-02-06 CN CN 201320068757 patent/CN203187323U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689397A (en) * | 2020-06-29 | 2020-09-22 | 西南科技大学 | Truss hoisting and angle adjusting method |
| CN111689397B (en) * | 2020-06-29 | 2022-05-24 | 西南科技大学 | Truss hoisting and angle adjusting method |
| CN112279122A (en) * | 2020-11-27 | 2021-01-29 | 江西省丰和泰重工科技有限公司 | Tower crane's balancing weight positioning mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130911 |