CN113526366A - Multifunctional flat-arm tower crane capable of being used for fire fighting - Google Patents

Multifunctional flat-arm tower crane capable of being used for fire fighting Download PDF

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Publication number
CN113526366A
CN113526366A CN202110654722.9A CN202110654722A CN113526366A CN 113526366 A CN113526366 A CN 113526366A CN 202110654722 A CN202110654722 A CN 202110654722A CN 113526366 A CN113526366 A CN 113526366A
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CN
China
Prior art keywords
arm
fire fighting
arm section
tower crane
pin shaft
Prior art date
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Granted
Application number
CN202110654722.9A
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Chinese (zh)
Other versions
CN113526366B (en
Inventor
金鹤翔
张刊
何罗波
周立宏
徐立新
王汉炜
叶进其
殷明
尹志豪
刘闯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Construction Engineering Machinery Group Co Ltd
Original Assignee
Zhejiang Construction Engineering Machinery Group Co Ltd
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Publication date
Application filed by Zhejiang Construction Engineering Machinery Group Co Ltd filed Critical Zhejiang Construction Engineering Machinery Group Co Ltd
Priority to CN202110654722.9A priority Critical patent/CN113526366B/en
Publication of CN113526366A publication Critical patent/CN113526366A/en
Application granted granted Critical
Publication of CN113526366B publication Critical patent/CN113526366B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/28—Accessories for delivery devices, e.g. supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B66C13/066—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads for minimising vibration of a boom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/46—Position indicators for suspended loads or for crane elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples

Abstract

The invention discloses a multifunctional flat-arm tower crane capable of being used for fire fighting, which comprises a tower crane body, a cargo boom and a balance arm, wherein the cargo boom comprises a first arm section, a second arm section and a third arm section which are sequentially hinged, a winch is arranged on the balance arm, the winch bypasses a fixed pulley at the top of a tower cap through a first steel wire rope and is connected to the third arm section, and a fire fighting device and a clamping device are arranged on the third arm section. The fire fighting device is arranged on the third arm section to carry out fire fighting, and the height of the third arm section is increased through the pulling force of the winch, so that the fire fighting device can carry out fire fighting on buildings higher than the limit height of the cargo boom.

Description

Multifunctional flat-arm tower crane capable of being used for fire fighting
Technical Field
The invention relates to the field of tower cranes, in particular to a multifunctional flat arm tower crane for fire fighting.
Background
People in high-rise buildings are dense, escape passages are narrow, and once a fire disaster happens, fire rescue can become difficult. Especially in construction sites where building materials are piled up, the hazard is greater if a fire occurs. The construction environment of tower crane is used for the hoist and mount of building site capital construction, building, bridge etc. many, and there is not complete fire extinguishing system basically yet under these operating modes. Especially, when the fire position of the building is higher than the limit height of the balance arm of the tower crane, the fire can not be well prevented.
Disclosure of Invention
In order to solve the technical problems, the invention provides the multifunctional flat-arm tower crane for fire fighting, wherein the height of the third arm section is increased through the tension of the winch, so that the fire fighting device can be used for fire fighting on buildings higher than the limit height of the cargo boom.
The invention adopts the following technical scheme:
a multifunctional flat-arm tower crane for fire fighting comprises a tower crane body, a cargo boom and a balance arm, wherein the cargo boom comprises a first arm section, a second arm section and a third arm section which are sequentially hinged, a winch is arranged on the balance arm, and the winch is connected to the third arm section by a first steel wire rope bypassing a fixed pulley at the top of a tower cap; the third arm section is provided with a fire fighting device, the fire fighting device comprises a fire fighting lifting motor, a second steel wire rope, a lifting hook, a fixed pulley and a fire fighting faucet, the fire fighting lifting motor is arranged on the third arm section, the fixed pulley is fixed on the third arm section, the fire fighting lifting motor is connected with the lifting hook by bypassing the fixed pulley through the second steel wire rope, and the fire fighting faucet is hung on the lifting hook; the third arm section is provided with a clamping device, the clamping device comprises symmetrically arranged slide rails, an electric telescopic rod, a connecting rod, a rotating motor and a clamp, the slide rails are arranged on the third arm section, one end of the electric telescopic rod is fixed on the slide rails, the other end of the electric telescopic rod is connected with the connecting rod, the connecting rod is provided with the rotating motor, and the driving end of the rotating motor is provided with the clamp; the clamped end of the fire hydrant is located right below the clamp.
Preferably, a lower platform fixing pin shaft and an upper platform connecting pin shaft are arranged between the first arm section and the second arm section, a first pin shaft fixing chain connected with the lower platform fixing pin shaft is arranged on the first arm section, a first limiting pin is arranged on the upper platform connecting pin shaft, and a first pin fixing chain connected with the first limiting pin is arranged on the first arm section.
Preferably, a lower platform connecting pin shaft and an upper platform fixing pin shaft are arranged between the second arm section and the third arm section, a second pin shaft fixing chain connected with the upper platform fixing pin shaft is arranged on the second arm section, a second limiting pin is arranged on the lower platform connecting pin shaft, and a second pin fixing chain connected with the second limiting pin is arranged on the second arm section.
Preferably, a lifting ring is arranged on the third arm section at a position close to the hinged position of the second arm section and the third arm section, and a matched lifting arm lifting hook is arranged at the end part of the first steel wire rope.
Preferably, the end part of the slide rail is provided with an anti-drop baffle.
Preferably, the remote control device further comprises a PLC and a remote control box, wherein the PLC is provided with a remote control receiving module, the remote control box is provided with an operating rod and a remote control module, and the remote control box sends the direction and the opening degree of the operating rod to the remote control receiving module through the remote control module.
Preferably, the PLC controller further comprises a bypass key electrically connected with the PLC controller.
Preferably, the second arm section is provided with a wireless tilt sensor.
Compared with the prior art, the invention has the following advantages:
1. the fire fighting device is arranged on the third arm section to fight fire, and the height of the third arm section is improved through the pulling force of the winch, so that the fire fighting device can fight fire for a building higher than the limit height of the cargo boom.
2. The lower platform fixing pin shaft and the upper platform connecting pin shaft fix the first arm joint and the second arm joint to prevent the first arm joint and the second arm joint from shaking in the using process; when the third arm section needs to be lifted, the lower platform fixing pin shaft is detached, and the operation is simple.
3. The lower platform connecting pin shaft and the upper platform fixing pin shaft fix the second arm joint and the third arm joint to prevent the second arm joint and the third arm joint from shaking in the using process; when the third arm section needs to be lifted, the upper platform fixing pin shaft is detached, and the operation is simple.
4. The fire fighting device is held by the clamping device, while the orientation of the fire hydrant can be adjusted by the clamping device.
Drawings
Fig. 1 is a schematic diagram of a conventional use structure of a tower crane.
Fig. 2 is a schematic diagram of a third arm section lifting structure of the tower crane.
Fig. 3 is a schematic structural diagram of a joint of the first arm section and the second arm section.
Fig. 4 is a partially enlarged view of a portion a of fig. 3.
Fig. 5 is a partially enlarged view of portion B of fig. 3.
Fig. 6 is a schematic structural diagram of a joint of the second arm section and the third arm section.
Fig. 7 is a partially enlarged view of the portion C of fig. 6.
Fig. 8 is a partially enlarged view of portion D of fig. 6.
Fig. 9 is a schematic structural view of the fire fighting device.
Fig. 10 is a schematic view of the structure of the clamping device.
FIG. 11 is a schematic diagram of a circuit module according to the present invention.
In the figure, a tower crane body 1, a tower cap 11, a crane boom 2, a first arm section 21, a lower platform fixing pin 211, an upper platform connecting pin 212, a first pin fixing chain 213, a first limit pin 214, a first pin fixing chain 215, a second arm section 22, a lower platform connecting pin 221, an upper platform fixing pin 222, a second pin fixing chain 223, a second limit pin 224, a second pin fixing chain 225, a wireless tilt angle sensor 226, a third arm section 23, a hanging ring 231, a balance arm 3, a winch 31, a first steel wire rope 32, a crane boom hook 321, a fire fighting device 4, a fire fighting lifting motor 41, a second steel wire rope 42, a hanging hook 43, a fixed pulley 44, a fire hydrant 45, a clamping device 5, a slide rail 51, an electric telescopic rod 52, a connecting rod 53, a rotating motor 54, a clamp 55, an anti-falling baffle 56, a PLC controller 6, a remote control receiving module 61, a remote control box 7, a remote control box, An operating rod 71, a remote control module 72 and a bypass key 8.
Detailed Description
In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-11, a multifunctional flat-arm tower crane for fire fighting comprises a tower crane body 1, a boom 2 and a balance arm 3, wherein the boom 2 comprises a first arm section 21, a second arm section 22 and a third arm section 23 which are sequentially hinged, the balance arm 3 is provided with a winch 31, the winch 31 is connected to the third arm section 23 by a first steel wire rope 32 bypassing a fixed pulley at the top of a tower cap 11, and the height of the third arm section 23 is lifted by a first steel wire rope 32 through pulling force when necessary; the fire fighting device 4 is arranged on the third arm section 23 and used for extinguishing fire of a fire-facing building, the fire fighting device 4 comprises a fire fighting lifting motor 41, a second steel wire rope 42, a lifting hook 43, a fixed pulley 44 and a fire fighting tap 45, the fire fighting lifting motor 41 is arranged on the third arm section 23, the fixed pulley 44 is fixed on the third arm section 23, the fire fighting lifting motor 41 bypasses the fixed pulley 44 through the second steel wire rope 42 and is connected with the lifting hook 43, the fire fighting tap 45 is hung on the lifting hook 43, and the fire fighting tap 45 is connected with a water tank on the balance arm 3 through a water pipe; the third arm section 23 is provided with a clamping device 5, the clamping device 5 comprises a slide rail 51, an electric telescopic rod 52, a connecting rod 53, a rotating motor 54 and a clamp 55 which are symmetrically arranged, the slide rail 51 is arranged on the third arm section 23, one end of the electric telescopic rod 52 is fixed on the slide rail 51, the other end of the electric telescopic rod is connected with the connecting rod 53, the connecting rod 53 is provided with the rotating motor 54, and the driving end of the rotating motor 54 is provided with the clamp 55; the clamped end of the fire hydrant 45 is located directly below the clamp 55.
When in use, if the current ignition point is lower than the limit position of the cargo boom 2, the height of the cargo boom 2 only needs to be adjusted to a corresponding height, the fire-fighting lifting motor 41 rotates to lift the fire-fighting tap 45 to a position between two symmetrically arranged clamps 55 through the second steel wire rope 42, the electric telescopic rod 52 pushes out the connecting rod 53, so that the clamps 55 clamp the fire-fighting tap 45, the clamps 55 rotate through the rotating motor 54, the angle of the fire-fighting tap 45 is adjusted to enable the fire-fighting tap 45 to be aligned with the ignition point, the height of the fire-fighting tap 45 can be adjusted by adjusting the height of the cargo boom 2, and the height of the fire-fighting tap 45 can also be adjusted by adjusting the angle of the rotating motor 54.
If the current ignition point is higher than the limit position of the crane arm 2, the winch 31 starts to move at the moment, the third arm joint 23 is pulled to move upwards through the first steel wire rope 32, and as the first arm joint 21, the second arm joint 22 and the third arm joint 23 are hinged, the third arm joint 23 moves obliquely upwards as seen from the position shown in fig. 1, the second arm joint 22 rotates anticlockwise until the second arm joint 22 moves to be vertical to the first arm joint 21, and the third arm joint 23 is parallel to the first arm joint 21, at the moment, the third arm joint 23 is lifted, and fire fighting is carried out according to the method.
A lower platform fixing pin shaft 211 and an upper platform connecting pin shaft 212 are arranged between the first arm section 21 and the second arm section 22, a first pin shaft fixing chain 213 connected with the lower platform fixing pin shaft 211 is arranged on the first arm section 21, a first limiting pin 214 is installed on the upper platform connecting pin shaft 212, and a first pin fixing chain 215 connected with the first limiting pin 214 is arranged on the first arm section 21.
The lower platform fixing pin shaft 211 and the upper platform connecting pin shaft 212 fix the first arm joint 21 and the second arm joint 22, so that the first arm joint and the second arm joint are prevented from shaking in the normal cargo hoisting process; when the third arm section 23 needs to be lifted, the lower platform fixing pin shaft 211 and the first limiting pin 214 are detached, and the operation is simple. In practical use, the lower platform fixing pin shaft 211 and the first limit pin 214 need to be dismantled manually, and after the dismantling, the lower platform fixing pin shaft 211 and the first limit pin 214 cannot fall off due to the existence of the first pin shaft fixing chain 213 and the first pin fixing chain 215, and can be reinstalled after the use is finished. Meanwhile, in a construction site, if an object falls off at a high place, it is dangerous, and this situation can be avoided by installing the first pin fixing chain 213 and the first pin fixing chain 215.
A lower platform connecting pin shaft 221 and an upper platform fixing pin shaft 222 are arranged between the second arm section 22 and the third arm section 23, a second pin shaft fixing chain 223 connected with the upper platform fixing pin shaft 222 is arranged on the second arm section 22, a second limiting pin 224 is arranged on the lower platform connecting pin shaft 221, and a second pin fixing chain 225 connected with the second limiting pin 224 is arranged on the second arm section 22.
The lower platform connecting pin shaft 221 and the upper platform fixing pin shaft 222 fix the second arm joint 22 and the third arm joint 23, so that the second arm joint and the third arm joint are prevented from shaking in the normal cargo hoisting process; when the third arm section 23 needs to be lifted, the upper platform fixing pin 222 and the second limiting pin 224 are detached, and the operation is simple. In practical use, the upper platform fixing pin 222 and the second limiting pin 224 need to be manually removed, and after the upper platform fixing pin 222 and the second limiting pin 224 are removed, the upper platform fixing pin 222 and the second limiting pin 224 cannot fall off due to the existence of the second pin fixing chain 223 and the second pin fixing chain 225, and can be installed again to the original position after use. Meanwhile, in a construction occasion, if articles fall off at a high position, the danger is high, and the situation can be avoided by installing the second pin fixing chain 223 and the second pin fixing chain 225.
A hanging ring 231 is arranged on the third arm section 23 close to the hinged position of the second arm section 22 and the third arm section 23, and a matched boom hanging hook 321 is arranged at the end part of the first steel wire rope 32. The first wire rope 32 lifts the third boom section 23 by engagement of the boom hook 321 with the hoist ring 231.
The end of the slide rail 51 is provided with an anti-dropping baffle 56 to prevent the electric telescopic rod 52 from colliding with the clamp 55 due to an excessively long extending distance.
The remote control device is characterized by further comprising a PLC (programmable logic controller) 6 and a remote control box 7, wherein the PLC 6 is provided with a remote control receiving module 61, the remote control box 7 is provided with an operating rod 71 and a remote control module 72, and the remote control box 7 sends the direction and the opening degree of the operating rod 71 to the remote control receiving module 61 through the remote control module 72. Namely, the operation process of the tower crane is completed by remote control of the remote control box 7. Specifically, action bars 71 includes tower crane main control action bars, fire control unit control lever, clamping device control lever, tower crane main control action bars is used for controlling the rising and the gyration of jib loading boom 2, and the fire control unit control lever is used for controlling the rotation that fire control rises motor 41 and the aperture of fire control tap 45, and the clamping device control lever is used for controlling the length of stretching out and rotating electrical machines 54 rotation angle of electric telescopic handle 52.
And the system also comprises a bypass key 8 electrically connected with the PLC 6.
Be equipped with wireless inclination sensor 226 on the second arm section 22, wireless inclination sensor 226 and PLC controller 6 electric connection, wireless inclination sensor 226 can be used for detecting the current inclination of second arm section 22, when detecting that the current inclination is 90 degrees, stops the rotation that fire control played to rise motor 41 promptly, and third arm section 23 was located the highest position this moment.
Control logic of the fire fighting device 4 of the present invention: after the tower crane is installed, the clamps 55 are adjusted to be symmetrically arranged (by adjusting the extension length of the electric telescopic rod 52 and reserving the accommodating space of the fire-fighting faucet 45), the fire-fighting device control rod of the remote control box 7 is operated to enable the lifting hook 43 to lift the fire-fighting faucet 45 to enable the fire-fighting faucet to ascend, the fire-fighting faucet is stopped after the fire-fighting device control rod ascends between the clamps 55, the PLC 6 records the value of the encoder of the fire-fighting lifting motor 41, the value is the extension length of the second steel wire rope 42, and the calibration is finished. When a fire disaster occurs, the fire fighting device control rod hook 43 of the remote control box 7 is operated to lift the fire fighting tap 45 to enable the fire fighting tap to ascend, when the extending length of the second steel wire rope 42 reaches the encoder memory length during installation, the PLC 6 controls the fire fighting lifting motor 41 to stop (if the bypass button of the remote control box 6 needs to be pressed down to continue to manually control the fire fighting lifting motor 41 to lift), at the moment, the clamping device control rod is operated, the PLC sends an instruction to the electric telescopic rod 52 to enable the electric telescopic rod to extend, meanwhile, the clamp 55 is driven to clamp the fire hydrant 45, when the up-down angle direction of the fire hydrant 45 needs to be controlled, when the control lever of the clamping device is operated, the PLC sends the same instructions of opposite pulse directions (the installation directions of the two rotating motors 54 are opposite) to the two rotating motors 54, the rotating motors 54 drive the fire hydrant 45 to rotate up and down, and the tower crane can be rotated to control the left and right directions of the fire hydrant 45.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is defined by the appended claims, and several modifications and amendments made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as the scope of the present invention.

Claims (8)

1. A multifunctional flat-arm tower crane for fire fighting comprises a tower crane body (1), a cargo boom (2) and a balance arm (3), and is characterized in that the cargo boom (2) comprises a first arm section (21), a second arm section (22) and a third arm section (23) which are sequentially hinged, a winch (31) is arranged on the balance arm (3), and the winch (31) is connected to the third arm section (23) through a first steel wire rope (32) and bypasses a fixed pulley at the top of a tower cap (11); the fire fighting device (4) is arranged on the third arm section (23), the fire fighting device (4) comprises a fire fighting lifting motor (41), a second steel wire rope (42), a lifting hook (43), a fixed pulley (44) and a fire fighting tap (45), the fire fighting lifting motor (41) is arranged on the third arm section (23), the fixed pulley (44) is fixed on the third arm section (23), the fire fighting lifting motor (41) bypasses the fixed pulley (44) through the second steel wire rope (42) to be connected with the lifting hook (43), and the fire fighting tap (45) is hung on the lifting hook (43); the clamping device (5) is arranged on the third arm section (23), the clamping device (5) comprises symmetrically arranged slide rails (51), an electric telescopic rod (52), a connecting rod (53), a rotating motor (54) and a clamp (55), the slide rails (51) are arranged on the third arm section (23), one end of the electric telescopic rod (52) is fixed on the slide rails (51), the other end of the electric telescopic rod is connected with the connecting rod (53), the rotating motor (54) is arranged on the connecting rod (53), and the clamp (55) is arranged at the driving end of the rotating motor (54); the clamped end of the fire hydrant (45) is positioned right below the clamp (55).
2. The multifunctional flat-arm tower crane used for fire fighting is characterized in that a lower platform fixing pin shaft (211) and an upper platform connecting pin shaft (212) are arranged between a first arm section (21) and a second arm section (22), a first pin shaft fixing chain (213) connected with the lower platform fixing pin shaft (211) is arranged on the first arm section (21), a first limiting pin (214) is installed on the upper platform connecting pin shaft (212), and a first pin fixing chain (215) connected with the first limiting pin (214) is arranged on the first arm section (21).
3. The multifunctional flat-arm tower crane used for fire fighting is characterized in that a lower platform connecting pin shaft (221) and an upper platform fixing pin shaft (222) are arranged between a second arm joint (22) and a third arm joint (23), a second pin shaft fixing chain (223) connected with the upper platform fixing pin shaft (222) is arranged on the second arm joint (22), a second limiting pin (224) is installed on the lower platform connecting pin shaft (221), and a second pin fixing chain (225) connected with the second limiting pin (224) is arranged on the second arm joint (22).
4. A multifunctional flat arm tower crane used for fire fighting as claimed in claim 1, characterized in that a lifting ring (231) is arranged on the third arm section (23) near the joint of the second arm section (22) and the third arm section (23), and a matched lifting arm lifting hook (321) is arranged at the end of the first steel wire rope (32).
5. The multifunctional flat arm tower crane for fire fighting as claimed in claim 1, characterized in that the end of the sliding rail (51) is provided with an anti-drop baffle (56).
6. The multifunctional flat arm tower crane used for fire fighting is characterized by further comprising a PLC (6) and a remote control box (7), wherein the PLC (6) is provided with a remote control receiving module (61), the remote control box (7) is provided with an operating rod (71) and a remote control module (72), and the remote control box (7) sends the direction and the opening degree of the operating rod (71) to the remote control receiving module (61) through the remote control module (72).
7. The multifunctional flat arm tower crane used for fire fighting as claimed in claim 1, characterized by further comprising a bypass button (8) electrically connected with the PLC controller (6).
8. The multifunctional flat arm tower crane for fire fighting as recited in claim 1, wherein the second arm section (22) is provided with a wireless tilt sensor (226).
CN202110654722.9A 2021-06-11 2021-06-11 Multifunctional flat arm tower crane for fire fighting Active CN113526366B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116443745A (en) * 2023-06-16 2023-07-18 杭州未名信科科技有限公司 Tower crane system and control method

Citations (14)

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CN205461539U (en) * 2016-01-12 2016-08-17 中国建筑第二工程局有限公司 High -altitude spraying dust suppression system of tower crane
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CN107697817A (en) * 2017-10-30 2018-02-16 北京紫竹慧建设服务股份有限公司 A kind of novel tower slings the method that weighing arm becomes length in the air
CN207434909U (en) * 2017-09-30 2018-06-01 德州洁创环保科技有限公司 Lifting/lowering type dedusting tower crane
CN110642152A (en) * 2019-10-16 2020-01-03 长沙理工大学 Large-span bulk cargo conveying system
CN111170179A (en) * 2018-11-12 2020-05-19 广东庞源工程机械有限公司 Tower crane jib loading boom reinforcing frame
CN211034973U (en) * 2019-11-15 2020-07-17 湖南建工集团有限公司 Movable tower crane with pumping function
CN111704047A (en) * 2020-05-28 2020-09-25 山东斯诺尔节能建材有限公司 Multifunctional intelligent fire-fighting flying dust tower crane

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CH662333A5 (en) * 1983-03-05 1987-09-30 Pekazett Baumasch TOWER TURNING CRANE WITH EXTENSION AND JUMPER.
CN2261415Y (en) * 1996-03-13 1997-09-03 建设部长沙建设机械研究院 Two-purpose tower with folding arm for lifting and distributing materials
CN2285275Y (en) * 1996-04-25 1998-07-01 建设部长沙建设机械研究院 Two-purpose tower machine for lifting and material distributing
CN203284095U (en) * 2013-06-05 2013-11-13 山东淄建集团有限公司 Tower crane for cooling tower
CN104876135A (en) * 2015-06-10 2015-09-02 南京工业大学 Folding tower crane with automatic locking and unlocking functions
CN104973519A (en) * 2015-06-10 2015-10-14 南京工业大学 Tower type crane with double hoisting arm sections
CN205461539U (en) * 2016-01-12 2016-08-17 中国建筑第二工程局有限公司 High -altitude spraying dust suppression system of tower crane
CN206366278U (en) * 2017-01-07 2017-08-01 北京房建建筑股份有限公司 Construction tower crane and scope adjustable spraying dust pelletizing system
CN207434909U (en) * 2017-09-30 2018-06-01 德州洁创环保科技有限公司 Lifting/lowering type dedusting tower crane
CN107697817A (en) * 2017-10-30 2018-02-16 北京紫竹慧建设服务股份有限公司 A kind of novel tower slings the method that weighing arm becomes length in the air
CN111170179A (en) * 2018-11-12 2020-05-19 广东庞源工程机械有限公司 Tower crane jib loading boom reinforcing frame
CN110642152A (en) * 2019-10-16 2020-01-03 长沙理工大学 Large-span bulk cargo conveying system
CN211034973U (en) * 2019-11-15 2020-07-17 湖南建工集团有限公司 Movable tower crane with pumping function
CN111704047A (en) * 2020-05-28 2020-09-25 山东斯诺尔节能建材有限公司 Multifunctional intelligent fire-fighting flying dust tower crane

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116443745A (en) * 2023-06-16 2023-07-18 杭州未名信科科技有限公司 Tower crane system and control method
CN116443745B (en) * 2023-06-16 2023-10-20 杭州未名信科科技有限公司 Tower crane system and control method

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