CN112061998A - Steel structure tower crane for building bridge road construction - Google Patents
Steel structure tower crane for building bridge road construction Download PDFInfo
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- CN112061998A CN112061998A CN202010931427.9A CN202010931427A CN112061998A CN 112061998 A CN112061998 A CN 112061998A CN 202010931427 A CN202010931427 A CN 202010931427A CN 112061998 A CN112061998 A CN 112061998A
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- Prior art keywords
- supporting
- pier
- tower crane
- fixedly connected
- laminating
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
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- 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
- B66C23/16—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 supported by columns, e.g. towers having their lower end mounted for slewing movements
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/203—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts
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- 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
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
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- 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
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a steel structure tower crane for building bridge road construction, which comprises a supporting plate for supporting equipment, four basic supporting rods for enhancing the connection strength, a pier attaching mechanism for attaching to a curved pier, a pressure relief supporting mechanism for elevating and supporting the tower crane and a tower arm supporting mechanism, wherein the four basic supporting rods are fixedly connected to the surface of the supporting plate and are respectively close to four top corners of the supporting plate, and the bridge building field is related. This steel construction tower crane for building bridge road construction receives the problem of the influence of pier and wind-force according to current tower crane in bridge construction, design out special can shift wind-force and the special construction of reinforcing stability to effectual attached type tower crane who uses in having solved general bridge construction, receive outside wind-force influence and receive the restriction of pier curve shape, it is attached to the degree of difficulty great, it is great to bear wind-force, increase the work degree of difficulty to a certain extent, there is the problem of great potential safety hazard.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a steel structure tower crane for building bridge road construction.
Background
In the process of bridge construction, a tower crane is often required to be used, the tower crane is required to be constructed and used on a pier, in the process of bridge construction, because the height of the tower crane is above the water surface and is influenced by wind power, the wind power borne by the tower crane is larger than that borne by a land building when the tower crane is used, and the wind power borne by the tower crane is straight, and the wind power borne by the tower crane is lack of a wind shielding building, the difficulty is increased in construction, most of the tower cranes used in the current bridge construction process are attached tower cranes, the pier attached by the tower crane in the bridge construction is straight and also has an arc curve, wherein the pier bearing capacity of the arc curve is better, but the attachment difficulty of the tower crane is increased, the local attachment is often attached, so that the tower crane support difficulty is increased, the attached tower crane used in the general bridge construction is influenced by external wind power and limited by the, the tower crane has the advantages of large wind bearing capacity, working difficulty increase to a certain degree and large potential safety hazard, so that the steel structure tower crane for building bridge road construction is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a steel structure tower crane for building bridge road construction, which solves the problems that an attached tower crane used in a general bridge building is influenced by external wind power and limited by the curve shape of a pier, is difficult to attach, bears wind power greatly, increases working difficulty to a certain extent and has great potential safety hazard.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a building bridge is steel construction tower crane for road construction, is used for strengthening joint strength's foundation support pole, pier laminating mechanism, pressure release supporting mechanism and tower arm supporting mechanism that are used for elevating and supporting the tower crane including the backup pad that is used for the support device, four, the fixed surface of backup pad is connected with four foundation support poles, four the foundation support pole is close to four apex angle departments of backup pad respectively, pier laminating mechanism sets up the below in the backup pad, pressure release supporting mechanism sets up the top in the backup pad, tower arm supporting mechanism sets up on pressure release supporting mechanism.
Preferably, pier laminating mechanism is including laminating case, rubber laminating pad, laminating steel sheet, activity stripper plate, hydraulic press, activity extrusion head, extension support the pole and embrace the mound arm, laminating case fixed connection is on the lower surface of backup pad, one side of laminating box is uncovered form, the inner wall handing-over of laminating box has the laminating steel sheet, the outer fixed surface of laminating steel sheet is connected with rubber laminating pad, the surface of laminating case articulates there is a plurality ofly to embracing the mound arm, the surface of embracing the mound arm is the semicircular arc shape, and is same right embrace and install the padlock between the mound arm.
Preferably, the inner wall of the fitting box is hinged with a movable extrusion plate, the surface of the movable extrusion plate is connected with the surface of the fitting steel plate in a sliding manner, the material of the movable extrusion plate and the material of the fitting steel plate both comprise spring steel, a hydraulic machine is fixedly mounted on the lower surface of the supporting plate, a movable extrusion head is fixedly connected with an ejection end of the hydraulic machine, the surface of the movable extrusion head is connected with the inner wall of the fitting box in a sliding manner, the surface of the movable extrusion head is connected with the inner side surface of the movable extrusion plate in a sliding manner, the movable extrusion head is in an arc shape with one side in contact with the movable extrusion plate, an extension support rod is fixedly connected with the bottom of the movable extrusion head, the bottom of the extension support rod is in an arc shape, and the surface of the extension support rod is connected with the surface of the.
Preferably, the pressure relief supporting mechanism comprises a plurality of supporting frames, a plurality of inclined supporting rods, a plurality of pressure relief supporting rings in one-to-one correspondence with the supporting frames, a central rotating shaft, a supporting bearing, a wind power blade, a supporting platform, an operating room and a generator room, wherein the surface of the basic supporting rod is fixedly connected with a plurality of supporting frames, the inner wall of each supporting frame is fixedly connected with four frame reinforcing ribs, the frame reinforcing ribs are superposed with two diagonals of the supporting frames, the surface of the central rotating shaft is fixedly connected with a plurality of supporting bearings, one ends of the frame reinforcing ribs are fixedly connected with the outer rings of the supporting bearings with the same horizontal height, the surface of the central rotating shaft is fixedly connected with the wind power blade, the top of the supporting frame is fixedly connected with the supporting platform, and the surface of the supporting platform, the surface of revolving stage is provided with the control room, the generator cabin sets up inside the control room, the one end of central rotation axis is run through and is extended to the inside in generator cabin.
Preferably, the fixed surface of framework strengthening rib is connected with the pressure release support ring, the inner wall of pressure release support ring is the slope form, the inner wall of pressure release support ring from top to bottom internal diameter is the trend that diminishes gradually, four slope support bars of inner wall fixedly connected with of carriage, the one end of slope support bar and the outer lane fixed connection of the support bearing of its top.
Preferably, tower arm supporting mechanism includes tower arm frame, central bracing piece, a plurality of activity stiffener, balancing weight, electric block, traction lever and a plurality of wire rope, and the fixed surface of revolving stage is connected with the tower arm frame, the surface of tower arm frame is connected with the fixed surface of control chamber, the sliding surface of tower arm frame is connected with the balancing weight, the sliding surface of tower arm frame is connected with electric block, electric block and balancing weight are located the both sides of control chamber respectively.
Preferably, the inner wall handing-over of tower arm frame has a plurality of activity stiffener, a plurality of the activity stiffener is cut apart into three angular regions of a plurality of with the inner wall of tower arm frame, the surperficial sliding connection of tower arm frame has the center support pole, the surface of activity stiffener is articulated with the surface of center support pole, the top fixedly connected with traction lever of control chamber, the fixed surface of tower arm frame is connected with a plurality of wire rope, wire rope keeps away from the one end of tower arm frame and the fixed surface of traction lever and is connected.
(III) advantageous effects
(1) According to the invention, by arranging the pier attaching mechanism, on one hand, the bridge can be well attached to the pier with the curved shape, the contact area is increased, the supporting force is enhanced, and a good supporting effect can be achieved by combining the encircling structure, on the other hand, the pressure of the tower crane can be well transmitted by the oblique attaching structure.
(2) According to the invention, by arranging the pressure relief support mechanism, on one hand, wind power is guided downwards through structures such as the pressure relief support ring, and an external force acts on the bridge pier by combining the structure on the bridge pier fitting mechanism, so that the stability of the bridge pier is enhanced, and the transverse pressure is reduced, on the other hand, the wind power fan blade can convert part of wind energy into mechanical energy and then into electric energy while transferring the pressure downwards, and the environmental protection performance of the tower crane is enhanced.
(3) According to the tower crane, the tower arm supporting mechanism is arranged, on one hand, the supporting strength of the tower arm can be enhanced through the movable reinforcing rod in the triangular design, on the other hand, the angle of the movable reinforcing rod can be adjusted according to the wind direction, further, the wind power can be transferred, the wind power is conducted, and the stability of the tower crane is enhanced through the adjustment of the angle of the movable reinforcing rod.
(4) According to the invention, a special structure capable of transferring wind power and enhancing stability is designed according to the problem that the existing tower crane is influenced by piers and wind power in a bridge building, so that the problems that an attached tower crane used in a general bridge building is influenced by external wind power and limited by the curve shape of the piers, is difficult to attach, bears wind power greatly, increases working difficulty to a certain extent and has great potential safety hazard are solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a construction of a joint box of the present invention;
FIG. 3 is a top view of the tower arm frame structure of the present invention;
fig. 4 is a front view of a generator nacelle structure of the present invention.
The device comprises a support plate 1, a foundation support rod 2, a pier attaching mechanism 3, a 31 attaching box, a 32 rubber attaching pad, a 33 attaching steel plate, a 34 movable extrusion plate, a 35 hydraulic press, a 36 movable extrusion head, a 37 extending supporting rod, a 38 holding pier ring arm, a 39 lock, a 4 pressure releasing supporting mechanism, a 41 supporting frame, a 42 inclined support rod, a 43 pressure releasing supporting ring, a 44 center rotating shaft, a 45 supporting bearing, 46 wind power blades, a 47 supporting platform, a 48 operating room, a 49 generator cabin, a 410 frame body reinforcing rib, a 411 rotating table, a 5 tower arm supporting mechanism, a 51 tower arm frame, a 52 center support rod, a 53 movable reinforcing rod, a 54 balancing weight, a 55 electric hoist, a 56 traction rod and a 57 steel wire rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the invention provides a steel structure tower crane for building bridge road construction, which includes a supporting plate 1 for supporting equipment, four base supporting rods 2 for enhancing connection strength, a pier attaching mechanism 3 for attaching to a curved pier, a pressure release supporting mechanism 4 for elevating and supporting a tower crane, and a tower arm supporting mechanism 5, wherein the four base supporting rods 2 are fixedly connected to the surface of the supporting plate 1, the four base supporting rods 2 are respectively close to four vertex angles of the supporting plate 1, the pier attaching mechanism 3 is arranged below the supporting plate 1, the pressure release supporting mechanism 4 is arranged above the supporting plate 1, and the tower arm supporting mechanism 5 is arranged on the pressure release supporting mechanism 4.
The pier attaching mechanism 3 comprises an attaching box 31, a rubber attaching pad 32, an attaching steel plate 33, a movable extrusion plate 34, a hydraulic machine 35, a movable pushing head 36, an extending support rod 37 and a pier holding arm 38, wherein the attaching box 31 is fixedly connected to the lower surface of the support plate 1, one side of the attaching box 31 is open, the inner wall of the attaching box 31 is connected with the attaching steel plate 33, the outer surface of the attaching steel plate 33 is fixedly connected with the rubber attaching pad 32, the surface of the attaching box 31 is hinged with a plurality of pairs of pier holding arms 38, the surface of each pier holding arm 38 is in a semi-arc shape, a buckle lock 39 is arranged between the same pair of pier holding arms 38, the inner wall of the attaching box 31 is hinged with the movable extrusion plate 34, the surface of the movable extrusion plate 34 is slidably connected with the surface of the attaching steel plate 33, the material of the movable extrusion plate 34 and the material of the attaching steel plate 33 both comprise spring steel, the hydraulic machine 35 is fixedly, the top end of the hydraulic press 35 is fixedly connected with a movable extrusion head 36, the surface of the movable extrusion head 36 is slidably connected with the inner wall of the fitting box 31, the surface of the movable extrusion head 36 is slidably connected with the inner side surface of the movable extrusion plate 34, one side of the movable extrusion head 36, which is in contact with the movable extrusion plate 34, is arc-shaped, the bottom of the movable extrusion head 36 is fixedly connected with an extension resisting rod 37, the bottom end of the extension resisting rod 37 is arc-shaped, and the surface of the extension resisting rod 37 is slidably connected with the surface of the movable extrusion plate 34.
The pressure relief supporting mechanism 4 comprises a plurality of supporting frames 41, a plurality of inclined supporting rods 42, a plurality of pressure relief supporting rings 43 corresponding to the supporting frames 41 one by one, a central rotating shaft 44, supporting bearings 45, wind blades 46, a supporting platform 47, an operating room 48 and a generator room 49, wherein the surface of the basic supporting rod 2 is fixedly connected with the plurality of supporting frames 41, the inner wall of each supporting frame 41 is fixedly connected with four frame reinforcing ribs 410, the frame reinforcing ribs 410 are superposed with two diagonal lines of the supporting frames 41, the surface of the central rotating shaft 44 is fixedly connected with the plurality of supporting bearings 45, one end of each frame reinforcing rib 410 is fixedly connected with the outer ring of the supporting bearing 45 with the same horizontal height, the surface of the central rotating shaft 44 is fixedly connected with the wind blades 46, the top of the uppermost supporting frame 41 is fixedly connected with the supporting platform 47, and the surface of the supporting, the surface of the rotating platform 411 is provided with an operation room 48, a generator cabin 49 is arranged in the operation room 48, one end of the central rotating shaft 44 penetrates through and extends into the generator cabin 49, the surface of the frame body reinforcing rib 410 is fixedly connected with a pressure relief support ring 43, the inner wall of the pressure relief support ring 43 is inclined, the inner wall of the pressure relief support ring 43 gradually decreases from top to bottom in inner diameter, the inner wall of the support frame 41 is fixedly connected with four inclined support rods 42, and one end of each inclined support rod 42 is fixedly connected with the outer ring of the support bearing 45 above the inclined support rod.
The tower arm supporting mechanism 5 comprises a tower arm frame 51, a central supporting rod 52, a plurality of movable reinforcing rods 53, a balancing weight 54, an electric hoist 55, a traction rod 56 and a plurality of steel wire ropes 57, the surface of the rotating platform 411 is fixedly connected with the tower arm frame 51, the surface of the tower arm frame 51 is fixedly connected with the surface of the operating room 48, the surface of the tower arm frame 51 is slidably connected with the balancing weight 54, the surface of the tower arm frame 51 is slidably connected with the electric hoist 55, the electric hoist 55 and the balancing weight 54 are respectively positioned at two sides of the operating room 48, the inner wall of the tower arm frame 51 is connected with the plurality of movable reinforcing rods 53, the inner wall of the tower arm frame 51 is divided into a plurality of triangular areas by the plurality of movable reinforcing rods 53, the surface of the tower arm frame 51 is slidably connected with the central supporting rod 52, the surface of the movable reinforcing rods 53 is hinged with the surface of the central supporting rod 52, the top of the operating room 48 is fixedly, the end of the cable 57 remote from the tower arm frame 51 is fixedly connected to the surface of the drawbar 56.
When the device is used, the rubber attaching pad 32 is attached to the surface of a pier, the pier-surrounding arm 38 is rotated, the pier-surrounding arm 38 is tightened through the lock 39, then the hydraulic machine 35 is started, the hydraulic machine 35 presses the movable extrusion head 36 downwards, the movable extrusion head 36 drives the extension pressing rod 37 to move downwards, the extension pressing rod 37 and the movable extrusion head 36 jointly press the movable extrusion plate 34 to enable the movable extrusion plate 34 to be completely attached and extrude the attaching steel plate 33, the attaching steel plate 33 extrudes the rubber attaching pad 32 to be tightly attached to the pier, when external wind blows on the erected pressure-relief supporting mechanism 4, the wind power contacts each pressure-relief supporting ring 43, the inner wall of each pressure-relief supporting ring 43 guides the wind power, the wind power downwards acts and extrudes to reduce the transverse pressure, meanwhile, the acting force of the pier attaching mechanism 3 on the pier is increased to enable the pier to be more stable, and part of the wind power is rotatably consumed by the wind power, the wind power blades 46 drive the central rotating shaft 44 to rotate, the generator cabin 49 converts mechanical energy into electric energy, when wind blows at the tower arm frame 51, the wind direction is firstly identified, then the central supporting rod 52 is pulled to adjust the angle of the movable reinforcing rod 53, and the wind power is transferred or weakened.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. The utility model provides a building bridge is steel construction tower crane for road construction, is used for strengthening joint strength's foundation support pole (2), is used for laminating pier laminating mechanism (3) on curve pier, is used for pressure release supporting mechanism (4) and tower arm supporting mechanism (5) that are used for elevating and support the tower crane including backup pad (1) that are used for supporting equipment, four, its characterized in that: the fixed surface of backup pad (1) is connected with four basic bracing pieces (2), four basic bracing piece (2) are close to four apex angle departments of backup pad (1) respectively, pier laminating mechanism (3) set up the below in backup pad (1), pressure release supporting mechanism (4) set up the top in backup pad (1), tower arm supporting mechanism (5) set up on pressure release supporting mechanism (4).
2. The steel structure tower crane for building bridge road construction of claim 1, wherein: pier laminating mechanism (3) are including laminating case (31), rubber laminating pad (32), laminating steel sheet (33), activity stripper plate (34), hydraulic press (35), activity are pushed and are crowded head (36), extend and support pole (37) and embrace pier ring arm (38), laminating case (31) fixed connection is on the lower surface of backup pad (1), one side of the laminating case (31) body is uncovered form, the inner wall handing-over of the laminating case (31) body has laminating steel sheet (33), the external fixed surface of laminating steel sheet (33) is connected with rubber laminating pad (32), the surface of laminating case (31) articulates there is a plurality of pier ring arms (38) of embracing, the surface of embracing pier ring arm (38) is half circular arc shape, and is same right embrace and install padlock (39) between pier ring arm (38).
3. The steel structure tower crane for building bridge road construction of claim 2, wherein: the inner wall of the attaching box (31) is hinged with a movable extrusion plate (34), the surface of the movable extrusion plate (34) is in sliding connection with the surface of the attaching steel plate (33), the material of the movable extrusion plate (34) and the material of the attaching steel plate (33) both comprise spring steel, a hydraulic machine (35) is fixedly mounted on the lower surface of the support plate (1), a movable extrusion head (36) is fixedly connected with the ejection end of the hydraulic machine (35), the surface of the movable extrusion head (36) is in sliding connection with the inner wall of the attaching box (31), the surface of the movable extrusion head (36) is in sliding connection with the inner side surface of the movable extrusion plate (34), the movable extrusion head (36) is in arc shape with the side in contact with the movable extrusion plate (34), an extension support rod (37) is fixedly connected with the bottom of the movable extrusion head (36), and the bottom end of the extension support rod (37) is in arc shape, the surface of the extending resisting rod (37) is connected with the surface of the movable extrusion plate (34) in a sliding way.
4. The steel structure tower crane for building bridge road construction of claim 3, wherein: the pressure relief supporting mechanism (4) comprises a plurality of supporting frames (41), a plurality of inclined supporting rods (42), a plurality of pressure relief supporting rings (43) corresponding to the supporting frames (41) one by one, a central rotating shaft (44), supporting bearings (45), wind power fan blades (46), a supporting platform (47), an operating room (48) and a generator cabin (49), wherein the surface of the basic supporting rod (2) is fixedly connected with the plurality of supporting frames (41), the inner wall of each supporting frame (41) is fixedly connected with four frame reinforcing ribs (410), the frame reinforcing ribs (410) are superposed with two diagonal lines of the supporting frames (41), the surface of the central rotating shaft (44) is fixedly connected with the plurality of supporting bearings (45), one ends of the frame reinforcing ribs (410) are fixedly connected with the outer rings of the supporting bearings (45) with the same horizontal height, and the surface of the central rotating shaft (44) is fixedly connected with the wind power fan blades (46), the top fixedly connected with supporting platform (47) of the top of carriage (41), the surperficial rotation of supporting platform (47) is connected with revolving stage (411), the surface of revolving stage (411) is provided with control chamber (48), generator cabin (49) set up inside control chamber (48), the one end of central rotation axis (44) is run through and is extended to the inside of generator cabin (49).
5. The steel structure tower crane for building bridge road construction of claim 4, wherein: the fixed surface of framework strengthening rib (410) is connected with pressure release support ring (43), the inner wall of pressure release support ring (43) is the slope form, the inner wall of pressure release support ring (43) is the trend that diminishes gradually from top to bottom internal diameter, four slope bracing pieces (42) of inner wall fixedly connected with of carriage (41), the outer lane fixed connection of the one end of slope bracing piece (42) and the support bearing (45) of its top.
6. The steel structure tower crane for building bridge road construction of claim 5, wherein: the tower arm supporting mechanism (5) comprises a tower arm frame (51), a central supporting rod (52), a plurality of movable reinforcing rods (53), a balancing weight (54), an electric hoist (55), a traction rod (56) and a plurality of steel wire ropes (57), the surface of the rotating platform (411) is fixedly connected with the tower arm frame (51), the surface of the tower arm frame (51) is fixedly connected with the surface of the operating room (48), the surface of the tower arm frame (51) is connected with the balancing weight (54) in a sliding mode, the surface of the tower arm frame (51) is connected with the electric hoist (55) in a sliding mode, and the electric hoist (55) and the balancing weight (54) are located on two sides of the operating room (48) respectively.
7. The steel structure tower crane for building bridge road construction of claim 6, wherein: the inner wall handing-over of tower arm frame (51) has a plurality of activity stiffener (53), a plurality of activity stiffener (53) is cut apart into a plurality of triangle region with the inner wall of tower arm frame (51), the surperficial sliding connection of tower arm frame (51) has central support pole (52), the surface of activity stiffener (53) is articulated with the surface of central support pole (52), the top fixedly connected with traction lever (56) of control chamber (48), the fixed surface of tower arm frame (51) is connected with a plurality of wire rope (57), wire rope (57) keep away from the fixed surface connection of one end of tower arm frame (51) and traction lever (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931427.9A CN112061998B (en) | 2020-09-07 | 2020-09-07 | Construction method of steel structure tower crane for building bridge road construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931427.9A CN112061998B (en) | 2020-09-07 | 2020-09-07 | Construction method of steel structure tower crane for building bridge road construction |
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| CN112061998A true CN112061998A (en) | 2020-12-11 |
| CN112061998B CN112061998B (en) | 2022-10-28 |
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2020
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|---|---|---|---|---|
| JP2001152416A (en) * | 1999-11-29 | 2001-06-05 | Taisei Corp | Construction method for steel material and concrete composite structural pier |
| CN102518335A (en) * | 2011-12-14 | 2012-06-27 | 中国建筑科学研究院建筑机械化研究分院 | Crane lifting and operation platform comprehensive equipment |
| CN107826993A (en) * | 2017-10-25 | 2018-03-23 | 浙江德清华杨科技有限公司 | Liftable tower crane and control method |
| CN210193250U (en) * | 2019-05-14 | 2020-03-27 | 上海祥鸿汽车维修检测设备有限公司 | Liftable crane |
| CN210366721U (en) * | 2019-07-24 | 2020-04-21 | 山西安泰源特种设备检测有限公司 | Adjustable tower crane support frame |
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| CN112061998B (en) | 2022-10-28 |
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