CN112249929A - Tower crane jacking device of structure of preventing falling in area - Google Patents
Tower crane jacking device of structure of preventing falling in area Download PDFInfo
- Publication number
- CN112249929A CN112249929A CN202011244771.7A CN202011244771A CN112249929A CN 112249929 A CN112249929 A CN 112249929A CN 202011244771 A CN202011244771 A CN 202011244771A CN 112249929 A CN112249929 A CN 112249929A
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- China
- Prior art keywords
- jacking
- fixedly connected
- block
- gear
- bevel gear
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Classifications
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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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/348—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes the erection being operated by jacks
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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
- B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/346—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with locking devices
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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
- B66C23/88—Safety gear
- B66C23/94—Safety gear for limiting slewing movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a tower crane jacking device with an anti-falling structure, which comprises a device main body, wherein the device main body comprises a tower crane main body, a rotating shaft seat, standard knots, a supporting knot and a rack, the bottom end of the tower crane main body is rotatably connected with the rotating shaft seat, the bottom end of the rotating shaft seat is fixedly connected with the top end of the supporting knot, the bottom end of the supporting knot is fixedly connected with a plurality of groups of standard knots, the rack is arranged on one side of the standard knot, a fixing frame is arranged on one side of the supporting knot, a fixing block is fixedly connected with one side, close to the supporting knot, of the top end of the fixing frame, a jacking block is fixedly connected with one side, close to the standard knot, of the bottom end of the fixing frame, the. The rotation of the top end of the tower crane can be limited in the using process, and the standard knot can be prevented from falling.
Description
Technical Field
The invention relates to the technical field of tower crane safety facilities, in particular to a tower crane jacking device with an anti-falling structure.
Background
In the building process of high-rise buildings, a tower crane is needed to carry building materials, and along with the increase of the height of the buildings, the height of the tower crane is also needed to be correspondingly increased. People are utilizing tower crane jacking device to increase the in-process of tower crane height, if the top of tower crane takes place to rotate, can drive the focus of tower crane and change, and then lead to the tower crane unbalance, seriously influence the security of device. And the tower crane is at the in-process that risees, need utilize the standard festival to increase self bearing structure's height, and the traditional mode relies on simple centre gripping, and the standard festival has the risk of falling at the in-process that uses, consequently urgently needs a tower crane jacking device of structure of preventing falling to solve above-mentioned problem.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a tower crane jacking device with an anti-falling structure.
In order to achieve the purpose, the invention provides the following technical scheme: a tower crane jacking device with an anti-falling structure comprises a device main body, wherein the device main body comprises a tower crane main body, a rotating shaft seat, standard joints, supporting joints and racks, the bottom end of the tower crane main body is rotatably connected with the rotating shaft seat, the bottom end of the rotating shaft seat is fixedly connected with the top end of the supporting joints, the bottom end of the supporting joints is fixedly connected with a plurality of groups of standard joints, one side of each standard joint is provided with the rack, one side of each supporting joint is provided with a fixed frame, one side of the top end of each fixed frame, which is close to the supporting joints, is fixedly connected with a fixed block, one side of the bottom end of each fixed frame, which is close to the standard joints, is fixedly connected with a jacking block, the inside of each fixed block is provided with a locking mechanism, the jacking blocks are slidably connected with the fixed frames, a, the utility model discloses a standard festival, including mount, dead lever, mount, clamping holder, fixture, standard festival, one side fixedly connected with operation panel that the mount is close to the standard festival, and the top of operation panel is provided with the dead lever, dead lever and mount fixed connection, and the bottom sliding connection of dead lever has the clamping holder, the inside of clamping holder is provided with fixture.
Preferably, the jacking mechanism comprises a motor, a first bevel gear, a fluted disc, a first transmission belt, a first jacking gear, a second jacking gear and a second transmission belt, the motor is fixedly connected inside the jacking block, one end of the motor is fixedly connected with a first conical gear, one side of the first conical gear is meshed with the fluted disc, and the outer part of the fluted disc is sleeved with a first transmission belt, one end of the first transmission belt far away from the fluted disc is sleeved outside a first jacking gear, the first jacking gear is rotatably connected with the top end of one side of the inner wall of the jacking block close to the rack, and one side bottom that the jacking piece is close to the rack rotates and is connected with second jacking gear, the outside cover of first jacking gear and second jacking gear is equipped with second driving belt, one side that fluted disc was kept away from to first jacking gear and second jacking gear all with rack toothing.
Preferably, the transmission mechanism comprises a bearing seat, a second bevel gear, a transmission rod and a third bevel gear, the inner wall of the jacking block is fixedly connected with the bearing seat, the bottom ends of the bearing seat and the transmission rod are rotatably connected, the bottom end of the transmission rod is fixedly connected with the second bevel gear, the second bevel gear is meshed with the fluted disc, and the top end of the transmission rod is fixedly connected with the third bevel gear.
Preferably, the locking mechanism comprises a limit pin, a return spring, an adjusting rod, a moving block, a control rod, a locking gear and a fourth bevel gear, the adjusting rod is embedded in one side of the fixing block, the adjusting rod is rotationally connected with the fixed block, one end of the adjusting rod extending to the inside of the fixed block is connected with a moving block through a thread, the moving block is connected with the inner wall of the fixed block in a sliding way, one end of the moving block, which is far away from the adjusting rod, is fixedly connected with a control rod, and the middle part of the control rod is fixedly connected with a locking gear which is engaged with the limit pin, and the limit pin is connected with the fixed block in a sliding way, a return spring is fixedly connected between the bottom end of the limiting pin and the inner wall of the fixing block, a fourth bevel gear is fixedly connected at one end of the control rod far away from the adjusting rod, and the fourth bevel gear is meshed with the third bevel gear, and a limiting hole matched with the limiting pin is formed in the bottom end of the tower crane main body.
Preferably, the clamping mechanism comprises a locking rod, a fifth bevel gear, a sixth bevel gear, a connecting rod and an embedding mechanism, wherein the locking rod is rotatably connected to one side of the clamping seat close to the fixing frame, the fifth bevel gear is fixedly connected to one end of the locking rod far away from the fixing frame, the fifth bevel gear is meshed with two groups of sixth bevel gears, one side of the sixth bevel gear far away from the fifth bevel gear is fixedly connected with the connecting rod, one ends of the two groups of connecting rods far away from the sixth bevel gear are fixedly connected with the embedding mechanism, the embedding mechanism comprises two groups of sleeves, a third transmission belt and two groups of fixing pins, the connecting rod is fixedly connected with one group of sleeves, the two groups of sleeves are rotatably connected with the inner wall of the clamping seat through bearings, the third transmission belt is sleeved outside the two groups of sleeves, and the fixing pins are in threaded connection with the insides of, and the fixed pin is kept away from the inside that the telescopic one end all imbedded the standard festival, the top and the grip slipper block of standard festival.
Preferably, the outside of the transmission rod is sleeved with a stabilizing block, and the stabilizing block is rotatably connected with a groove formed in the fixing block.
Preferably, the top end and the bottom end of the moving block are both fixedly connected with a convex block, and balls are inlaid in the convex block.
Preferably, the fixing pin is provided with a guide groove at one end far away from the sleeve, the guide groove is in sliding connection with the guide block, and the guide block is fixedly connected inside the sixth bevel gear.
Compared with the prior art, the invention has the beneficial effects that: through setting up the mount, the jacking piece, second bevel gear, the fixed block and regulation pole, drive the in-process of jacking piece and mount rebound with the tower crane jacking at starter motor, through the transmission of second bevel gear and regulation pole, can promote the inside of spacing hole of spacer pin upwards embedding, make between tower crane main part and the fixed block spacing, avoid the tower crane main part to rotate at the in-process of tower crane jacking, through this design, the security and the practicality of device have been improved, the good linkage of device has been embodied.
Through setting up grip slipper and sixth conical gear, rotate the inside that the check lock lever can drive two sets of embedding mechanisms embedding standard festival for the standard festival is being fixed by the centre gripping in-process, utilizes the inside fixed pin of embedding standard festival, is restricted standard festival removal in vertical side, prevents that the standard festival from falling, has improved the security and the practicality of device.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic front view of the jacking configuration of the present invention;
FIG. 3 is a schematic side view cross-section of a partial structure of a tower crane main body, a standard joint, a jacking block and a fixing block according to 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 a schematic sectional bottom view of the holder and a sixth bevel gear of the present invention;
fig. 7 is an enlarged view of the structure at C in fig. 6 according to the present invention.
In the figure: 100. a device main body; 110. a tower crane main body; 111. a rotating shaft seat; 112. a limiting hole; 120. a standard section; 121. a support section; 122. a rack; 210. a fixed mount; 211. an operation table; 212. fixing the rod; 220. jacking blocks; 221. a motor; 222. a first bevel gear; 223. a fluted disc; 224. a first drive belt; 225. a first jacking gear; 226. a second jacking gear; 227. a second drive belt; 228. a bearing seat; 230. a second bevel gear; 231. a transmission rod; 232. a stabilizing block; 233. a third bevel gear; 240. a fixed block; 241. a spacing pin; 242. a return spring; 250. adjusting a rod; 251. a moving block; 252. a control lever; 253. a locking gear; 254. a fourth bevel gear; 310. a clamping seat; 311. a locking lever; 312. a fifth bevel gear; 320. a sixth bevel gear; 321. a connecting rod; 322. a sleeve; 323. a third drive belt; 324. a fixing pin; 325. a guide groove; 326. and a guide 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. 1-7, an embodiment of the present invention is shown:
a tower crane jacking device with a falling prevention structure comprises a device main body 100, wherein the device main body 100 comprises a tower crane main body 110, a rotating shaft seat 111, standard joints 120, supporting joints 121 and racks 122, the bottom end of the tower crane main body 110 is rotatably connected with the rotating shaft seat 111, the bottom end of the rotating shaft seat 111 is fixedly connected with the top ends of the supporting joints 121, the bottom end of each supporting joint 121 is fixedly connected with a plurality of groups of standard joints 120, one side of each standard joint 120 is provided with the rack 122, one side of each supporting joint 121 is provided with a fixing frame 210, one side, close to the supporting joint 121, of the top end of each fixing frame 210 is fixedly connected with a fixing block 240, one side, close to the standard joint 120, of the bottom end of each fixing frame 210 is fixedly connected with a jacking block 220, the fixing block 240 is fixedly connected with the supporting joints 121, a locking mechanism is arranged inside, be provided with drive mechanism between jacking piece 220 and the fixed block 240, mount 210 is close to one side fixedly connected with operation panel 211 of standard festival 120, and the top of operation panel 211 is provided with dead lever 212, dead lever 212 and mount 210 fixed connection, and the bottom sliding connection of dead lever 212 has grip slipper 310, the inside of grip slipper 310 is provided with fixture, through this design, make the jacking in-process of tower crane, the effectual rotation of avoiding the tower crane top, and can prevent that the standard festival of centre gripping from falling, the security of device has been improved, practicality and convenience, the better linkage of device has been embodied.
The jacking mechanism comprises a motor 221, a first bevel gear 222, a fluted disc 223, a first transmission belt 224, a first jacking gear 225, a second jacking gear 226 and a second transmission belt 227, the motor 221 is fixedly connected inside the jacking block 220, one end of the motor 221 is fixedly connected with the first bevel gear 222, one side of the first bevel gear 222 is meshed with the fluted disc 223, the first transmission belt 224 is sleeved outside the fluted disc 223, one end, far away from the fluted disc 223, of the first transmission belt 224 is sleeved outside the first jacking gear 225, the first jacking gear 225 is rotatably connected to the top end, close to the rack 122, of the inner wall of the jacking block 220, the bottom end, close to the rack 122, of the jacking block 220 is rotatably connected with the second jacking gear 226, the second transmission belt 227 is sleeved outside the first jacking gear 225 and the second jacking gear 226, one sides, far away from the fluted disc 223, of the first jacking gear 225 and the second jacking gear 226 are meshed with the rack 122, through such design, utilize the rotation of motor 221 to drive first jacking gear 225 and second jacking gear 226 and rotate, through the cooperation of first jacking gear 225, second jacking gear 226 and rack 122, with the device jacking, improved the convenience of device, embodied the good linkage nature of device.
The transmission mechanism comprises a bearing seat 228, a second bevel gear 230, a transmission rod 231 and a third bevel gear 233, the bearing seat 228 is fixedly connected to the inner wall of the jacking block 220, the bearing seat 228 is rotatably connected with the bottom end of the transmission rod 231, the second bevel gear 230 is fixedly connected with the bottom end of the transmission rod 231, the second bevel gear 230 is meshed with the fluted disc 223, and the third bevel gear 233 is fixedly connected with the top end of the transmission rod 231.
The locking mechanism comprises a limiting pin 241, a return spring 242, an adjusting rod 250, a moving block 251, a control rod 252, a locking gear 253 and a fourth bevel gear 254, the adjusting rod 250 is inlaid at one side of the fixed block 240, the adjusting rod 250 is rotatably connected with the fixed block 240, one end of the adjusting rod 250 extending into the fixed block 240 is in threaded connection with the moving block 251, the moving block 251 is in sliding connection with the inner wall of the fixed block 240, one end of the moving block 251 far away from the adjusting rod 250 is fixedly connected with the control rod 252, the middle part of the control rod 252 is fixedly connected with the locking gear 253, the locking gear 253 is meshed with the limiting pin 241, the limiting pin 241 is in sliding connection with the fixed block 240, the return spring 242 is fixedly connected between the bottom end of the limiting pin and the inner wall of the fixed block 240, one end of the control rod 252 far away from the adjusting rod 250 is fixedly connected with the fourth bevel, spacing hole 112 with spacer pin 241 complex is seted up to the bottom of tower crane main part 110, and through such design, motor 221 can drive spacer pin 241 rebound at the pivoted in-process through drive mechanism's length, carries on spacingly to tower crane main part 110, can remove spacer pin 241 spacing to tower crane main part 110 through rotating regulation pole 250, has improved the convenience and the practicality of device, has embodied the good linkage nature of device.
The clamping mechanism comprises a locking rod 311, a fifth bevel gear 312, a sixth bevel gear 320, a connecting rod 321 and an embedding mechanism, wherein the locking rod 311 is rotatably connected to one side of the clamping seat 310 close to the fixed frame 210, the fifth bevel gear 312 is fixedly connected to one end of the locking rod 311 far away from the fixed frame 210, the fifth bevel gear 312 is meshed with two groups of sixth bevel gears 320, the connecting rod 321 is fixedly connected to one side of the sixth bevel gear 320 far away from the fifth bevel gear 312, the embedding mechanism is fixedly connected to one end of the two groups of connecting rods 321 far away from the sixth bevel gear 320, the embedding mechanism comprises two groups of sleeves 322, a third transmission belt 323 and two groups of fixing pins 324, the connecting rod 321 is fixedly connected with the one group of sleeves 322, the two groups of sleeves 322 are rotatably connected with the inner wall of the clamping seat 310 through bearings, the third transmission belt 323 is sleeved outside the two groups of sleeves 322, the fixing pins 324 are, and the one end that the fixed pin 324 is kept away from the sleeve 322 all imbeds the inside of standard festival 120, and the top and the grip slipper 310 block of standard festival 120, through such design, can carry on spacingly to standard festival 120 in the in-process of centre gripping standard festival 120, avoid falling of standard festival 120, improved the security of device.
The outside cover of transfer line 231 is equipped with stabilizing block 232, and stabilizing block 232 and the inside recess of seting up of fixed block 240 rotate and be connected, through such design for transfer line 231 is more stable at the pivoted in-process, has improved the stability of device.
The top and the bottom of movable block 251 are all fixedly connected with lugs, and the inside of lug is all inlayed and is had the ball, through such design, has increased movable block 251 and has moved and make stability to reduce the frictional force between movable block 251 and the fixed block 240, make the device light more when moving, improved the stability of device.
The fixing pin 324 is provided with a guide groove 325 at one end far away from the sleeve 322, the guide groove 325 is in sliding connection with the guide block 326, and the guide block 326 is fixedly connected inside the sixth bevel gear 320.
The working principle is as follows: in the using process of the device, firstly, the motor 221 is started, the motor 221 drives the first bevel gear 222 and the fluted disc 223 to rotate in the rotating process, the fluted disc 223 drives the first jacking gear 225 to rotate through the first transmission belt 224 in the rotating process, the first jacking gear 225 and the second jacking gear 226 rotate under the action of the second transmission belt 227, so that the device is jacked, the fluted disc 223 can drive the second bevel gear 230 to rotate in the rotating process, the transmission rod 231 and the third bevel gear 233 rotate along with the second bevel gear 230, the third bevel gear 233 drives the fourth bevel gear 254 and the control rod 252 to rotate, and the control rod 252 drives the limit pin 241 to move upwards through the locking gear 253 in the rotating process until the limit pin 241 is embedded into the limit hole 112, so as to play a role of limiting the rotation of the tower crane main body 110.
In the process of installing the standard knot after jacking, firstly, a section of standard knot is hoisted by using a tower crane, then the standard knot is embedded into the clamping seat 310, at the moment, the locking rod 311 is rotated, the locking rod 311 drives the sleeve 322 to rotate through the matching of the fifth bevel gear 312, the sixth bevel gear 320 and the connecting rod 321, the sleeve 322 pushes the fixing pin 324 to be embedded into the standard knot 120 through the threads on the inner wall in the rotating process, so that the vertical movement of the standard knot 120 is limited, and the operation is finished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.
Claims (8)
1. The utility model provides a tower crane jacking device of structure is prevented falling in area, includes device main part (100), its characterized in that: the device main body (100) comprises a tower crane main body (110), a rotating shaft seat (111), standard joints (120), supporting joints (121) and racks (122), the bottom end of the tower crane main body (110) is rotatably connected with the rotating shaft seat (111), the bottom end of the rotating shaft seat (111) is fixedly connected with the top end of the supporting joints (121), the bottom end of the supporting joints (121) is fixedly connected with a plurality of groups of standard joints (120), one side of each standard joint (120) is provided with the racks (122), one side of each supporting joint (121) is provided with a fixing frame (210), the top end of each fixing frame (210) is close to one side of each supporting joint (121) and is fixedly connected with a fixing block (240), the bottom end of each fixing frame (210) is close to one side of each standard joint (120) and is fixedly connected with a jacking block (220), the fixing block (240) is fixedly connected with the supporting joints (121), and a, jacking piece (220) and mount (210) sliding connection, and the inside of jacking piece (220) is provided with climbing mechanism, be provided with drive mechanism between jacking piece (220) and fixed block (240), one side fixedly connected with operation panel (211) that mount (210) are close to standard festival (120), and the top of operation panel (211) is provided with dead lever (212), dead lever (212) and mount (210) fixed connection, and the bottom sliding connection of dead lever (212) has grip slipper (310), the inside of grip slipper (310) is provided with fixture.
2. The tower crane jacking device with the anti-falling structure, according to claim 1, is characterized in that: the jacking mechanism comprises a motor (221), a first bevel gear (222), a fluted disc (223), a first transmission belt (224), a first jacking gear (225), a second jacking gear (226) and a second transmission belt (227), wherein the motor (221) is fixedly connected inside the jacking block (220), one end of the motor (221) is fixedly connected with the first bevel gear (222), one side of the first bevel gear (222) is meshed with the fluted disc (223), the first transmission belt (224) is sleeved outside the fluted disc (223), one end, away from the fluted disc (223), of the first transmission belt (224) is sleeved outside the first jacking gear (225), the first jacking gear (225) is rotatably connected to the top end, close to the rack (122), of the inner wall of the jacking block (220), and the bottom end, close to the rack (122), of one side of the jacking block (220) is rotatably connected with the second jacking gear (226), the outside cover of first jacking gear (225) and second jacking gear (226) is equipped with second driving belt (227), one side that fluted disc (223) were kept away from in first jacking gear (225) and second jacking gear (226) all meshes with rack (122).
3. The tower crane jacking device with the anti-falling structure, according to claim 1, is characterized in that: the transmission mechanism comprises a bearing seat (228), a second bevel gear (230), a transmission rod (231) and a third bevel gear (233), the inner wall of the jacking block (220) is fixedly connected with the bearing seat (228), the bottom ends of the bearing seat (228) and the transmission rod (231) are rotatably connected, the bottom end of the transmission rod (231) is fixedly connected with the second bevel gear (230), the second bevel gear (230) is meshed with the fluted disc (223), and the top end of the transmission rod (231) is fixedly connected with the third bevel gear (233).
4. The tower crane jacking device with the anti-falling structure, according to claim 1, is characterized in that: the locking mechanism comprises a limiting pin (241), a return spring (242), an adjusting rod (250), a moving block (251), a control rod (252), a locking gear (253) and a fourth bevel gear (254), the adjusting rod (250) is inlaid at one side of the fixing block (240), the adjusting rod (250) is rotatably connected with the fixing block (240), one end of the adjusting rod (250) extending into the fixing block (240) is connected with the moving block (251) in a threaded manner, the moving block (251) is slidably connected with the inner wall of the fixing block (240), one end of the moving block (251) far away from the adjusting rod (250) is fixedly connected with the control rod (252), the middle of the control rod (252) is fixedly connected with the locking gear (253), the locking gear (253) is meshed with the limiting pin (241), the limiting pin (241) is slidably connected with the fixing block (240), the return spring (242) is fixedly connected between the bottom end of the limiting pin (241) and the inner wall of the fixing block (240, one end fixedly connected with fourth conical gear (254) of regulation pole (250) is kept away from in control lever (252), and fourth conical gear (254) and third conical gear (233) meshing, spacing hole (112) with spacer pin (241) complex have been seted up to the bottom of tower crane main part (110).
5. The tower crane jacking device with the anti-falling structure, according to claim 1, is characterized in that: the clamping mechanism comprises a locking rod (311), a fifth bevel gear (312), a sixth bevel gear (320), a connecting rod (321) and an embedding mechanism, one side, close to the fixing frame (210), of the clamping seat (310) is rotatably connected with the locking rod (311), one end, far away from the fixing frame (210), of the locking rod (311) is fixedly connected with the fifth bevel gear (312), the fifth bevel gear (312) is meshed with two groups of the sixth bevel gears (320), one side, far away from the fifth bevel gear (312), of the sixth bevel gear (320) is fixedly connected with the connecting rod (321), one ends, far away from the sixth bevel gear (320), of the two groups of the connecting rods (321) are fixedly connected with the embedding mechanism, the embedding mechanism comprises two groups of sleeves (322), a third transmission belt (323) and two groups of fixing pins (324), and the connecting rod (321) is fixedly connected with the one group of sleeves (322), two sets of sleeve (322) are all rotated through the inner wall of bearing and grip slipper (310) and are connected, and the outside cover of two sets of sleeve (322) is equipped with third driving belt (323), and is two sets of threaded connection all has fixed pin (324) in the inside of sleeve (322), and fixed pin (324) keep away from the one end of sleeve (322) and all imbed the inside of standard festival (120), the top and grip slipper (310) block of standard festival (120).
6. The tower crane jacking device with the anti-falling structure, according to claim 3, is characterized in that: the outside cover of transfer line (231) is equipped with stabilizing block (232), and stabilizing block (232) and the inside recess of seting up of fixed block (240) rotate and be connected.
7. The tower crane jacking device with the anti-falling structure, according to claim 4, is characterized in that: the top end and the bottom end of the moving block (251) are fixedly connected with convex blocks, and balls are inlaid in the convex blocks.
8. The tower crane jacking device with the anti-falling structure, according to claim 5, is characterized in that: the fixing pin (324) is far away from one end of the sleeve (322) and is provided with a guide groove (325), the guide groove (325) is in sliding connection with a guide block (326), and the guide block (326) is fixedly connected inside the sixth bevel gear (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244771.7A CN112249929A (en) | 2020-11-10 | 2020-11-10 | Tower crane jacking device of structure of preventing falling in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244771.7A CN112249929A (en) | 2020-11-10 | 2020-11-10 | Tower crane jacking device of structure of preventing falling in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112249929A true CN112249929A (en) | 2021-01-22 |
Family
ID=74266798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011244771.7A Pending CN112249929A (en) | 2020-11-10 | 2020-11-10 | Tower crane jacking device of structure of preventing falling in area |
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| CN (1) | CN112249929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467468A (en) * | 2022-08-17 | 2022-12-13 | 中石化四机石油机械有限公司 | Wellhead large-span vertical upright post structure |
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2020
- 2020-11-10 CN CN202011244771.7A patent/CN112249929A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467468A (en) * | 2022-08-17 | 2022-12-13 | 中石化四机石油机械有限公司 | Wellhead large-span vertical upright post structure |
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