CN113060658B - Wall-attached connecting system for building tower crane - Google Patents
Wall-attached connecting system for building tower crane Download PDFInfo
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- CN113060658B CN113060658B CN202110356872.1A CN202110356872A CN113060658B CN 113060658 B CN113060658 B CN 113060658B CN 202110356872 A CN202110356872 A CN 202110356872A CN 113060658 B CN113060658 B CN 113060658B
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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
- B66C23/62—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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a wall-attached connecting system for a building tower crane, which comprises a tower crane body, a tensioning device, a transmission device and a positioning device, wherein two groups of extension plates are fixedly connected to one side of the tower crane body, clamping plates are arranged on the opposite sides of the two groups of extension plates, a linkage rod is arranged at one end of each clamping plate, the tensioning device comprises a semi-threaded rod, a limiting block and a limiting groove, one end of the semi-threaded rod is fixedly connected with one end of the linkage rod, one side of the limiting block is fixedly connected with one end of the semi-threaded rod, the limiting groove is formed in an outer connecting rod, the transmission device is arranged in the clamping plate, and the positioning device is arranged at the joint of the tower crane body and the extension plates. The invention has the beneficial effects that: according to the invention, by utilizing the design of the tensioning device, a certain distance exists between the clamping plate and the tower crane body initially, no barrier exists when the clamping plate enters the extension plates, and the clamping plate can be driven to move by operating the tensioning device, so that the clamping plate can completely enter the extension plates.
Description
Technical Field
The invention relates to an attached wall connecting system, in particular to an attached wall connecting system for a building tower crane, and belongs to the technical field of tower crane installation.
Background
Along with the rapid development of building trade, the building of high building is also accelerating gradually, and can use the tower crane to carry the auxiliary material when the high building is built to this makes the supply that obtains the auxiliary material that the building that is in the high-rise can be quick, thereby accelerate the progress of engineering, but the height of tower crane itself is too high, and then just can its focus be unstable, thereby just need to use the wall that attaches wall connecting system with tower crane and building together fixed, with this guarantee the stability of tower crane during operation, thereby avoid the engineering accident to take place.
The wall attaching connection system for the existing building tower crane is mostly fixedly connected with a building embedded part through a rigid part, the rigid part is easy to be blocked when being spliced with the tower crane, thereby the fixed process of the rigid part can be influenced, but the connection process of the rigid part needs a large number of bolts for assistance, because the high-altitude operation has certain risk, the mode of directly fixing the bolts cannot meet the safety requirement, and meanwhile, the large number of bolts are in the installation and disassembly process and are hard, and the installation process of the tower crane can be influenced to a great extent.
Disclosure of Invention
The invention aims to solve the problems and provide a wall-attached connecting system for a building tower crane.
The invention achieves the above-mentioned purpose through the following technical scheme, the wall-attached connecting system for building tower crane includes:
the tower crane comprises a tower crane body, wherein two groups of extension plates are fixedly connected to one side of the tower crane body, clamping plates are arranged on the opposite sides of the two groups of extension plates, a linkage rod is arranged at one end of each clamping plate, an external connecting rod is arranged at one end of each linkage rod, and a turntable is fixedly sleeved on the outer wall of each linkage rod;
the tensioning device comprises a semi-threaded rod, a limiting block and a limiting groove, one end of the semi-threaded rod is fixedly connected with one end of the linkage rod, one side of the limiting block is fixedly connected with one end of the semi-threaded rod, the limiting groove is formed in the outer connecting rod, and the limiting groove is sleeved on the outer side of the limiting block;
the transmission device is arranged inside the clamping plate;
and the positioning device is arranged at the joint of the tower crane body and the extension plate.
Preferably, the middle parts of the extension plate and the clamping plate are provided with through holes, and fixing rods are sleeved in the through holes.
Preferably, an annular groove is formed in the clamping plate, a connecting disc is sleeved in the annular groove, a connecting rod is fixedly connected to one side of the connecting disc, and one end of the connecting rod penetrates through the clamping plate and is fixedly connected with one end of the linkage rod.
Preferably, transmission includes driven lever, thread groove, thread block, connection frame and extrusion piece, one end of driven lever and one side fixed connection of connection pad, the one end of driven lever is seted up to the thread groove, the inside of thread groove is located to thread block thread bush, one side of connection frame and the one end fixed connection of thread block, the one end of extrusion piece and the opposite side fixed connection of connection frame.
Preferably, one side of the clamping plate is provided with an accommodating groove, and the accommodating groove is matched with the extrusion block.
Preferably, a cavity is formed in one side of the interior of the tower crane body, and the cavity is sleeved on the outer side of the positioning device.
Preferably, positioner includes fly leaf, logical groove, locating piece, recess, connecting block and constant head tank, the inside of cavity is located to the fly leaf cover, it sets up in the side of fly leaf to lead to the groove, the locating piece cup joints in the outside of fly leaf, one side of locating piece is set up to the recess, the inside in logical groove is located to the connecting block cover, just the both ends of connecting block respectively with the both sides fixed connection of recess inner wall, the constant head tank is set up in one side of dead lever, just the constant head tank mutually supports with the locating piece.
Preferably, the middle part cover of fly leaf is equipped with fixed pin axle, fixed pin axle's one end and the inner wall fixed connection of cavity.
Preferably, the spread groove that communicates each other with the cavity is seted up to the inner chamber of tower crane body, the one end fixedly connected with reset spring of spread groove inner wall, reset spring's one end fixedly connected with spring base, the inside of spread groove is located to the spring base cover, just one side of spring base aligns each other with the bottom of fly leaf.
Preferably, the fixed slot that communicates each other with the spread groove is seted up to the inside of tower crane body, two spouts, two have been seted up to the inner wall of fixed slot the equal slip cap in inside of spout is equipped with the slider, two relative one end fixedly connected with guide bars of slider, the guide bar runs through reset spring's inside, just one side fixed connection of one end and spring base of guide bar.
The beneficial effects of the invention are: firstly, the invention utilizes the design of the tensioning device, an operator rotates the clamping plate to drive the linkage rod to rotate at the beginning of the installation of the clamping plate, and the clamping plate has a certain distance with the tower crane body initially, so that the clamping plate can not block when entering the extension plates, and further the clamping plate can be forcibly fixed without the assistance of external force.
Secondly, the invention utilizes the design of a transmission device, after the clamping plate is limited between the extension plates by the fixed rod, the transmission device can be operated by rotating the turntable, and then the transmission device can drive the extrusion block to slide out of the interior of the accommodating groove, so that the extrusion block can enter the cavity to extrude the movable plate, at the moment, the movable plate can drive the positioning device to operate by rotating, finally, the positioning block in the positioning device can be clamped into the interior of the positioning groove, so that the fixed rod can be limited, the fixed rod is prevented from sliding in the through hole, the fixed rod can be indirectly ensured to always limit the clamping plate between the extension plates, the clamping plate fixed by the method does not need to use a large number of bolts, the whole process can be realized by only rotating the turntable, and the subsequent disassembly of the wall-attached connecting piece is also convenient.
Thirdly, the invention utilizes the design of the half-threaded rod, after the half-threaded rod is completely rotated out from the inside of the external connecting rod, the clamping plate just can completely enter between the extension plates, and an operator continues to rotate the turntable and can not drive the tensioning device to operate, and the turntable at the moment can only drive the transmission device to operate, thereby avoiding the occurrence of the phenomenon of motion conflict.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a card receiving structure according to the present invention;
FIG. 3 is a schematic view of the overall internal front cross-sectional structure of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 7 is a schematic view of the internal structure of the card connecting plate of the present invention;
FIG. 8 is a schematic diagram of the internal structure of the cavity of the present invention.
In the figure: 1. a tower crane body; 2. an extension plate; 3. a clamping and connecting plate; 4. a through hole; 5. fixing the rod; 6. a linkage rod; 7. an extension rod; 8. a half-threaded rod; 9. a limiting block; 10. a limiting groove; 11. a connecting rod; 12. a connecting disc; 13. a turntable; 14. a driven lever; 15. a thread groove; 16. a thread block; 17. a connecting frame; 18. a receiving groove; 19. extruding the block; 20. a cavity; 21. a movable plate; 22. fixing a pin shaft; 23. a through groove; 24. positioning blocks; 25. a groove; 26. connecting blocks; 27. positioning a groove; 28. a spring base; 29. connecting grooves; 30. a return spring; 31. a guide bar; 32. fixing grooves; 33. a chute; 34. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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.
Referring to fig. 1-8, a wall-attached connecting system for a building tower crane comprises a tower crane body 1, wherein two groups of extension plates 2 are fixedly connected to one side of the tower crane body 1, the number of each group of extension plates 2 is two, the extension plates 2 can be used for bearing constructors, so that the constructors can be guaranteed to have supporting points in high altitude, clamping plates 3 are arranged on one sides of the two groups of extension plates 2, through holes 4 are formed in the middle parts of the extension plates 2 and the clamping plates 3, fixing rods 5 are sleeved inside the through holes 4, a linkage rod 6 is arranged at one end of each clamping plate 3, an external connecting rod 7 is arranged at one end of each linkage rod 6, and a turntable 13 is fixedly sleeved on the outer wall of each linkage rod 6;
refer to fig. 2 and fig. 3, overspeed device tensioner includes semi-threaded rod 8, stopper 9 and spacing groove 10, the one end of semi-threaded rod 8 and the one end fixed connection of gangbar 6, the external screw thread of semi-threaded rod 8 sets up in the middle part, one side of stopper 9 and the one end fixed connection of semi-threaded rod 8, spacing groove 10 is seted up in the inside of extension rod 7, and spacing groove 10 cover locates the outside of stopper 9, stopper 9 is discoid, and stopper 9 rotates in the inside of spacing groove 10 along with semi-threaded rod 8, semi-threaded rod 8 is twisted out after the inside of external rod 7, stopper 9 is in the same place with the inseparable laminating of spacing groove 10, otherwise, semi-threaded rod 8 gets into behind the inside of spacing groove 10, gangbar 6 is in the same place with external rod 7 laminating.
As a technical optimization scheme of the invention, referring to fig. 3, an annular groove is formed in the clamping plate 3, a connecting disc 12 is sleeved in the annular groove, a connecting rod 11 is fixedly connected to one side of the connecting disc 12, one end of the connecting rod 11 penetrates through the clamping plate 3 and is fixedly connected with one end of a linkage rod 6, and the connecting disc 12 can rotate in the annular groove, so that the linkage rod 6 cannot drive the clamping plate 3 to rotate when rotating.
As a technical optimization scheme of the present invention, referring to fig. 3, 4 and 6, the driving device is disposed inside the clamping plate 3, the driving device includes a driven rod 14, a thread groove 15, a thread block 16, a connection frame 17 and a pressing block 19, one end of the driven rod 14 is fixedly connected to one side of the connection plate 12, the thread groove 15 is disposed at one end of the driven rod 14, the thread block 16 is threadedly sleeved inside the thread groove 15, one side of the connection frame 17 is fixedly connected to one end of the thread block 16, one end of the pressing block 19 is fixedly connected to the other side of the connection frame 17, one side of the clamping plate 3 is provided with a receiving groove 18, the receiving groove 18 and the pressing block 19 are engaged with each other, the receiving groove 18 can provide a storage space for the pressing block 19 inside the clamping plate 3, the pressing block 19 is prevented from protruding from one end of the clamping plate 3, the rotation of the driven rod 14 and the connection plate 12 is synchronized, the operation of the tensioning device and the driving device is synchronized, so that the movement of the components of the driving device can be controlled by a distance in advance, after the operation of the tensioning device is completed, the connection frame 17 is aligned to the connection frame 4, and the inner diameter of the connection frame is not just twice as that the through hole 5 of the connection rod is blocked by the connection frame 17.
As a technical optimization scheme of the present invention, referring to fig. 3, fig. 5 and fig. 8, the number of the positioning devices is two, the positioning devices are disposed at a connection position of the tower crane body 1 and the extension plate 2, one side of the interior of the tower crane body 1 is provided with a cavity 20, the cavity 20 is sleeved on the outer side of the positioning device, the positioning device includes a movable plate 21, a through groove 23, a positioning block 24, a groove 25, a connecting block 26 and a positioning groove 27, the movable plate 21 is sleeved inside the cavity 20, the through groove 23 is disposed on a side surface of the movable plate 21, the positioning block 24 is sleeved on the outer side of the movable plate 21, the groove 25 is disposed on one side of the positioning block 24, the groove 25 ensures that the movable plate 21 does not conflict with the positioning block 24 when rotating, the connecting block 26 is sleeved inside the through groove 23, the through groove 23 provides a certain moving space for the connecting block 26, and two ends of the connecting block 26 are respectively fixedly connected with two sides of the inner wall of the groove 25, the positioning groove 27 is disposed on one side of the fixing rod 5, and the positioning groove 27 is matched with the positioning block 24, and the positioning block 24 is clamped into the positioning block 27 and can prevent the fixing rod 5 from sliding in the through hole 4, so as to ensure that the two sets of the extension plate 2 can be stably fixed.
As a technical optimization scheme of the present invention, a fixed pin 22 is sleeved at the middle of the movable plate 21, one end of the fixed pin 22 is fixedly connected to the inner wall of the cavity 20, referring to fig. 8, the fixed pin 22 is T-shaped, and the movable plate 21 rotates along the outer wall of the fixed pin 22 when being pressed.
As a technical optimization scheme of the invention, referring to fig. 3 and fig. 6, an inner cavity of the tower crane body 1 is provided with a connecting groove 29 which is communicated with the inside of the cavity 20, one end of the inner wall of the connecting groove 29 is fixedly connected with a return spring 30, one end of the return spring 30 is fixedly connected with a spring base 28, the spring base 28 is sleeved inside the connecting groove 29, one side of the spring base 28 is aligned with the bottom of the movable plate 21, the return spring 30 is always in a contracted state, and the return spring 30 always provides an extrusion force for the spring base 28, so that the spring base 28 is stably attached to one side of the movable plate 21, thereby preventing the movable plate 21 from rotating to drive the positioning device to operate, and in a natural state, the positioning block 24 does not extend into the through hole 4, and thus the installation operation of the fixing rod 5 is not affected.
As a technical optimization scheme of the invention, a fixing groove 32 communicated with the inside of the connecting groove 29 is formed in the tower crane body 1, two sliding grooves 33 are formed in the inner wall of the fixing groove 32, sliding blocks 34 are slidably sleeved in the two sliding grooves 33, one ends of the two sliding blocks 34 opposite to each other are fixedly connected with guide rods 31, the guide rods 31 penetrate through the inside of the return spring 30, one ends of the guide rods 31 are fixedly connected with one side of the spring base 28, the guide rods 31 can limit the moving directions of the return spring 30 and the spring base 28, so that the return spring 30 is ensured not to be bent, the spring base 28 cannot deviate in direction when moving, and the two movable plates 21 are ensured to be uniformly stressed.
When the clamping plate type telescopic device is used, an operator firstly rotates the clamping plate 3 to a position between the two groups of extension plates 2, then the operator rotates the rotary disc 13, the rotary disc 13 drives the linkage rod 6 to rotate, the linkage rod 6 drives the half-threaded rod 8 to synchronously rotate, the half-threaded rod 8 drives the limiting block 9 to slide in the limiting groove 10 while rotating, and after the half-threaded rod 8 is completely rotated out of the external connecting rod 7, the limiting block 9 is attached to one side of the inner wall of the limiting groove 10.
When the semi-threaded rod 8 outwards rotates from the inside of the external connecting rod 7, the linkage rod 6 moves towards the direction close to the tower crane body 1, then the linkage rod 6 drives the clamping plate 3 to move between the extension plates 2 until the clamping plate 3 completely enters the extension plates 2 and then stops rotating the turntable 13, and at the moment, an operator can pass the fixing rod 5 through the through hole 4 and further fix the clamping plate 3 between the extension plates 2.
After the position of the clamping plate 3 is determined, an operator continues to rotate the rotary disc 13, the rotary disc 13 drives the connecting rod 11 to rotate, the connecting rod 11 drives the connecting disc 12 to rotate in the annular groove, the connecting disc 12 drives the driven rod 14 to rotate, the driven rod 14 drives the thread groove 15 and the thread block 16 to generate thread transmission, the thread block 16 moves towards the outside of the thread groove 15, the thread block 16 extrudes the connecting frame 17, and the connecting frame 17 drives the extrusion block 19 to slide out of the inside of the accommodating groove 18.
The pressing block 19 slides out of the accommodating groove 18 for a certain distance and then enters the cavity 20, then the pressing block 19 gradually presses the movable plate 21, the movable plate 21 rotates along the outer wall of the fixed pin 22, the movable plate 21 presses the connecting block 26 through the through groove 23, the connecting block 26 drives the positioning block 24 to move, and referring to fig. 5, the positioning block 24 can only move in the horizontal direction under the limitation of the extending plate 2.
The movable plate 21 rotates and simultaneously extrudes the spring base 28, the spring base 28 extrudes the return spring 30 to contract and accumulate force in the connecting groove 29, the spring base 28 also extrudes the guide rod 31, the guide rod 31 is stressed to drive the sliding block 34 to slide along the inside of the sliding groove 33, when the sliding block 34 cannot move, the positioning block 24 is completely clamped and enters the positioning groove 27, the rotating disc 13 cannot continue to rotate at the moment, and an operator is assisted to accurately judge whether the fixing rod 5 completes limiting or not.
After locating piece 24 complete block entered into the inside of the constant head tank 27 that dead lever 5 one side was seted up, alright restrict dead lever 5 this moment and can not rock in the inside of through-hole 4 to this alright guarantee that fixing behind the fixed position of joint board 3, and then guarantee tower crane body 1 and the stable connection of building wall together.
When the connection between the tower crane body 1 and the wall surface needs to be released, an operator only needs to reversely rotate the rotary table 13, the rotary table 13 drives the connecting rod 11 to reversely rotate, the connecting rod 11 drives the connecting disc 12 to reversely rotate in the annular groove, the connecting disc 12 drives the driven rod 14 to reversely rotate, the driven rod 14 drives the thread block 16 to move towards the inside of the thread groove 15, the thread block 16 drives the connecting frame 17 to reversely slide, the connecting frame 17 drives the extrusion block 19 to move towards the inside of the accommodating groove 18, the extrusion block 19 does not extrude the movable plate 21 any more, at this time, the return spring 30 is not extruded by external force and rebounds, the return spring 30 extrudes the spring base 28 to slide towards the inside of the cavity 20, the spring base 28 extrudes the movable plate 21 to reversely rotate, finally, the movable plate 21 rotates to the initial state, the movable plate 21 drives the positioning block 24 to slide out from the inside of the positioning groove 27 through the extrusion connecting block 26, at this time, the limitation of the fixing rod 5 is released, finally, the fixing rod 5 is drawn out from the inside of the through hole 4, and the connecting plate 3 is rotated out from the extending plate 2.
Aiming at the technical personnel in the field, firstly, the invention utilizes the design of the tensioning device, at the beginning of installing the clamping plate 3, an operator rotates the clamping plate 3 to drive the linkage rod 6 to rotate, because the clamping plate 3 has a certain distance with the tower crane body 1 initially, the clamping plate 3 can not be obstructed when entering the extension plates 2, further, the clamping plate 3 can be forcibly fixed without external force assistance, after entering the extension plates 2, the tensioning device can be directly operated by rotating the turntable 13, further, the clamping plate 3 positioned between the extension plates 2 can be driven to slide towards the direction of the tower crane body 1, so that the clamping plate 3 can completely enter the extension plates 2, further, the smooth installation of the clamping plate 3 is ensured, meanwhile, the stress area of the clamping plate 3 can not be reduced, and further, the tower crane body 1 and the building wall surface can be stably connected together.
Secondly, the invention utilizes the design of a transmission device, after the clamping plate 3 is limited between the extension plates 2 by the fixed rod 5, the transmission device can be operated by rotating the rotary disc 13, and then the transmission device can drive the extrusion block 19 to slide out of the accommodating groove 18, so that the extrusion block 19 can enter the cavity 20 to extrude the movable plate 21, at the moment, the movable plate 21 rotates to drive the positioning device to operate, and finally the positioning block 24 in the positioning device is clamped and enters the positioning groove 27, so that the limiting effect on the fixed rod 5 can be realized, the fixed rod 5 is prevented from sliding in the through hole 4, the fixed rod 5 is indirectly ensured to always limit the clamping plate 3 between the extension plates 2, and the clamping plate 3 fixed by the method does not need to use a large number of bolts, the whole process can be realized only by rotating the rotary disc 13, and the subsequent disassembly of the wall-attached connecting piece is also facilitated.
Thirdly, the design of the half threaded rod 8 is utilized, after the half threaded rod 8 is completely rotated out of the external connecting rod 7, the clamping plate 3 just can completely enter the space between the extension plates 2, an operator continues to rotate the rotary disc 13 and cannot drive the tensioning device to operate, the rotary disc 13 at the moment can only drive the transmission device to operate, and therefore the phenomenon of motion conflict is avoided, and similarly, when the wall-attached connecting piece is disassembled, the half threaded rod 8 can enter the limiting groove 10, and further operation of the transmission device cannot be influenced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. Wall-attached connecting system for building tower crane, which is characterized in that: the method comprises the following steps:
the tower crane comprises a tower crane body (1), wherein two groups of extension plates (2) are fixedly connected to one side of the tower crane body (1), clamping plates (3) are arranged on the opposite sides of the two groups of extension plates (2), a linkage rod (6) is arranged at one end of each clamping plate (3), an extension rod (7) is arranged at one end of each linkage rod (6), and a rotary disc (13) is fixedly sleeved on the outer wall of each linkage rod (6);
the tensioning device comprises a half threaded rod (8), a limiting block (9) and a limiting groove (10), one end of the half threaded rod (8) is fixedly connected with one end of the linkage rod (6), one side of the limiting block (9) is fixedly connected with one end of the half threaded rod (8), the limiting groove (10) is formed in the outer connecting rod (7), and the limiting groove (10) is sleeved on the outer side of the limiting block (9);
the transmission device is arranged inside the clamping plate (3);
the positioning device is arranged at the joint of the tower crane body (1) and the extension plate (2); through holes (4) are formed in the middle parts of the extension plate (2) and the clamping plate (3), and fixing rods (5) are sleeved in the through holes (4); an annular groove is formed in the clamping plate (3), a connecting disc (12) is sleeved in the annular groove, a connecting rod (11) is fixedly connected to one side of the connecting disc (12), and one end of the connecting rod (11) penetrates through the clamping plate (3) and is fixedly connected with one end of the linkage rod (6); the transmission device comprises a driven rod (14), a thread groove (15), a thread block (16), a connecting frame (17) and an extrusion block (19), one end of the driven rod (14) is fixedly connected with one side of the connecting disc (12), the thread groove (15) is formed in one end of the driven rod (14), the thread block (16) is sleeved in the thread groove (15) in a threaded manner, one side of the connecting frame (17) is fixedly connected with one end of the thread block (16), and one end of the extrusion block (19) is fixedly connected with the other side of the connecting frame (17); one side of the clamping plate (3) is provided with a receiving groove (18), and the receiving groove (18) is matched with the extrusion block (19); a cavity (20) is formed in one side of the interior of the tower crane body (1), and the cavity (20) is sleeved on the outer side of the positioning device; the positioning device comprises a movable plate (21), a through groove (23), a positioning block (24), a groove (25), a connecting block (26) and a positioning groove (27), the movable plate (21) is sleeved inside the cavity (20), the through groove (23) is arranged on the side face of the movable plate (21), the positioning block (24) is sleeved outside the movable plate (21), the groove (25) is arranged on one side of the positioning block (24), the connecting block (26) is sleeved inside the through groove (23), two ends of the connecting block (26) are fixedly connected with two sides of the inner wall of the groove (25) respectively, the positioning groove (27) is arranged on one side of the fixing rod (5), and the positioning groove (27) is matched with the positioning block (24); the middle part cover of fly leaf (21) is equipped with fixed pin axle (22), the one end of fixed pin axle (22) and the inner wall fixed connection of cavity (20).
2. The wall-attached connecting system for the building tower crane according to claim 1, characterized in that: spread groove (29) with the inside mutual intercommunication of cavity (20) are seted up to the inner chamber of tower crane body (1), the one end fixedly connected with reset spring (30) of spread groove (29) inner wall, the one end fixedly connected with spring base (28) of reset spring (30), the inside of spread groove (29) is located to spring base (28) cover, just one side of spring base (28) aligns each other with the one end of extrusion piece (19).
3. The wall-attached connecting system for the building tower crane according to claim 1, characterized in that: fixed slot (32) with the inside intercommunication each other of spread groove (29) are seted up to the inside of tower crane body (1), two spout (33), two have been seted up to the inner wall of fixed slot (32) the inside all sliding sleeve of spout (33) is equipped with slider (34), two relative one end fixedly connected with guide bar (31) of slider (34), reset spring (30)'s inside is run through in guide bar (31), just one side fixed connection of the one end of guide bar (31) and spring base (28).
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| CN202110356872.1A CN113060658B (en) | 2021-04-01 | 2021-04-01 | Wall-attached connecting system for building tower crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110356872.1A CN113060658B (en) | 2021-04-01 | 2021-04-01 | Wall-attached connecting system for building tower crane |
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| CN113060658B true CN113060658B (en) | 2023-01-06 |
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