CN216549332U

CN216549332U - Tower crane convenient to installation

Info

Publication number: CN216549332U
Application number: CN202220082388.4U
Authority: CN
Inventors: 韩召朋; 高翠花
Original assignee: HENAN JUREN CRANE GROUP CO Ltd
Current assignee: HENAN JUREN CRANE GROUP CO Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-17
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a tower crane convenient to install, which relates to the technical field of tower cranes and comprises a bottom tower body, wherein the upper end of the bottom tower body is spliced with a middle tower body through a positioning conical block, and the upper end of the middle tower body is spliced with a top tower body through a positioning conical block; according to the tower crane convenient to install, the longitudinal fixture block, the transverse fixture block, the positioning taper block and the like are arranged, and the locking block on the inner side of the middle tower body in the positioning process is in contact with the inclined plane at one end of the longitudinal fixture block through the forty-five degree inclined plane on the side surface of the locking block and is extruded to enable the locking block to transversely move, so that the defect that the tower body is inconvenient to fix in the installing process is avoided; through setting up initiative pivot, second dead lever, movable block and spacing post etc. and stopping after stretching the conveyer belt completely, later hang required article on the couple, start servo motor and drive the initiative pivot and rotate and make the conveyer belt begin to rotate to this shortcoming of inconvenient below transmission article has been avoided.

Description

Tower crane convenient to installation

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a tower crane convenient to install.

Background

A tower crane, called tower crane for short, is characterized in that a rotary assembly is arranged on the upper part of a tower body which is high in height, a cargo boom assembly is arranged on a rotary support corresponding to the rotary assembly, the cargo boom assembly is driven to rotate simultaneously when the rotary support rotates relative to different fixed tower bodies, and high-altitude hoisting operation is completed by the cargo boom assembly. The tower crane has large operation space, is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction, has a complicated fixing process during the installation of the tower body of the existing tower crane, and is very troublesome and inconvenient to use when an operator needs to transfer articles below the tower body because the position of a control room of the tower crane is higher.

The tower crane disclosed in chinese utility model patent application publication CN214059676U, although this utility model is favorable to the operating personnel to control the jib loading boom assembly to carry out normal lifting operation, this utility model is inconvenient fixed tower body in the installation to this utility model is inconvenient from the below transmission article, to sum up there are inconvenient fixed tower body and the inconvenient shortcoming of transmitting article from the below in the installation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the tower crane convenient to install, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a tower crane convenient to install comprises a bottom tower body, wherein the upper end of the bottom tower body is spliced with a middle tower body through a positioning conical block, the upper end of the middle tower body is spliced with a top tower body through a positioning conical block, the inner two sides of the upper ends of the bottom tower body and the middle tower body are respectively connected with a longitudinal clamping block in a sliding manner, one end of each longitudinal clamping block is provided with a stop block, two ends of one side of each stop block are respectively provided with a spring, one end of each spring is respectively fixedly connected with the two sides of the upper parts of the bottom tower body and the middle tower body, the other end of each longitudinal clamping block is clamped with a locking block, the upper part of one side of each locking block is respectively fixedly connected with the lower ends of the inner two sides of the middle tower body and the top tower body, the inner part of the upper surface of each locking block is connected with a transverse clamping block in a sliding manner, the lower ends of the transverse clamping blocks are clamped with the longitudinal clamping blocks, and the upper ends of the transverse clamping blocks are provided with blocking pieces, the improved tower body structure is characterized in that a supporting transverse plate is arranged inside the upper end of the top tower body, a servo motor is arranged at the upper end of the supporting transverse plate, an output shaft of the servo motor is fixedly connected with a driving rotating shaft, a conveying belt is connected to the side face of the driving rotating shaft in a transmission mode, a driven rotating shaft is arranged on the side face of the conveying belt, a first fixing rod is connected to the inside of the driven rotating shaft in a rotating mode, a supporting block is fixedly connected to one end of the first fixing rod, and one side of the supporting block is fixedly connected with the bottom tower body.

Optionally, a stretching rotating shaft is arranged on the side face of the conveying belt, a second fixing rod is rotatably connected inside the stretching rotating shaft, a moving block is fixedly connected to one end of the second fixing rod, a threaded lead screw is arranged inside the second fixing rod, two ends of the threaded lead screw are rotatably connected with the top tower body, and inner hexagonal grooves are formed in two ends of the threaded lead screw.

Optionally, a limiting column is arranged on the inner side of the top tower body, the lower surface of the limiting column is connected with a moving block in a sliding manner, a threaded hole matched with the threaded lead screw is formed in the moving block, and the length of the limiting column is matched with the inner width of the top tower body.

Optionally, a rotating device is arranged at the upper end of the top tower body, a control room is arranged at the upper end of the rotating device, a supporting frame is arranged on one side of the control room, a crane boom is arranged at the upper end of the supporting frame, and a hook is arranged on the side face of the conveyor belt.

Optionally, the recess with conveyer belt looks adaptation is all seted up to the side inside of initiative pivot, tensile pivot and driven spindle, the length of initiative pivot and tensile pivot is the same with driven spindle, the diameter and the length of first dead lever and second dead lever are the same, the through-hole with second dead lever and first dead lever looks adaptation is seted up respectively to the inside of tensile pivot and driven spindle.

Optionally, one end of the longitudinal fixture block is a sharp corner, a groove matched with the longitudinal fixture block is formed in one side of the locking block, a through groove matched with the transverse fixture block is formed in the locking block, a groove matched with the transverse fixture block is formed in the upper end of the longitudinal fixture block, and the sharp corners are formed in one sides of the lower ends of the locking block and the transverse fixture block.

(III) advantageous effects

The utility model provides a tower crane convenient to install, which has the following beneficial effects:

1. this tower crane convenient to installation, through setting up vertical fixture block, the dog, a spring, the locking piece, block the piece, horizontal fixture block and location taper block etc. have reached the effect of making things convenient for fixed body of tower, can accomplish the location through inserting the location taper block in middle part body of tower lower extreme four corners in the use in the recess that bottom body of tower upper end was seted up, one side stack middle part body of tower can when increasing the height, and the inboard locking piece of middle part body of tower makes its sideslip through the inclined plane contact of the forty-five degree inclined plane of its side and the inclined plane of vertical fixture block one end and extrusion, along with the locking piece descend to the pointed location after in the locking piece is gone into to vertical fixture block card under the effect of spring, thereby the shortcoming of inconvenient fixed body of tower in the installation has been avoided to this.

2. This tower crane convenient to installation, through setting up the initiative pivot, tensile pivot, the conveyer belt, driven rotation shaft, first dead lever, the supporting shoe, servo motor, the second dead lever, movable block and spacing post etc, the effect of convenient transmission article from the below has been reached, place the conveyer belt in the use in the initiative pivot, the groove seted up is followed to tensile pivot and driven rotation shaft side, use handle cooperation hexagon socket head to drive the screw thread lead screw and rotate, promote the movable block and carry out the sideslip, tensile pivot and second dead lever synchronous motion, stop until stretching the conveyer belt completely, later hang required article on the couple, start servo motor and drive the initiative pivot and rotate and make the conveyer belt begin to rotate, thereby the inconvenient shortcoming of transmitting article from the below has been avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial perspective view of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2B according to the present invention.

In the figure: 1. a rotating device; 2. a driving rotating shaft; 3. stretching the rotating shaft; 4. a conveyor belt; 5. a driven rotating shaft; 6. a first fixing lever; 7. a bottom tower body; 8. a middle tower body; 9. a top tower body; 10. a control room; 11. a cargo boom; 12. a support block; 13. a servo motor; 14. a longitudinal clamping block; 15. a stopper; 16. A spring; 17. an inner hexagonal groove; 18. a threaded lead screw; 19. a second fixing bar; 20. a moving block; 21. A limiting column; 22. supporting the transverse plate; 23. a locking block; 24. a blocking sheet; 25. a transverse clamping block; 26. positioning a conical block; 27. and (4) hanging hooks.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a tower crane convenient to install comprises a bottom tower body 7, a middle tower body 8 is inserted at the upper end of the bottom tower body 7 through a positioning taper block 26, a top tower body 9 is inserted at the upper end of the middle tower body 8 through the positioning taper block 26, longitudinal clamping blocks 14 are connected to two inner sides of the upper ends of the bottom tower body 7 and the middle tower body 8 in a sliding manner, one end of each longitudinal clamping block 14 is provided with a stop block 15, two ends of one side of each stop block 15 are respectively provided with a spring 16, one end of each spring 16 is fixedly connected with two sides of the upper portions of the bottom tower body 7 and the middle tower body 8 respectively, the other end of each longitudinal clamping block 14 is clamped with a locking block 23, the upper portion of one side of each locking block 23 is fixedly connected with the lower ends of two inner sides of the middle tower body 8 and the top tower body 9 respectively, a transverse clamping block 25 is connected to the inner portion of the upper surface of each locking block 23 in a sliding manner, one end of each longitudinal clamping block 14 is a sharp corner, grooves matched with the longitudinal clamping blocks 14 are formed in one side of each locking block 23, a through groove matched with the transverse clamping block 25 is formed in the locking block 23, a groove matched with the transverse clamping block 25 is formed in the upper end of the longitudinal clamping block 14, one side of the lower ends of the locking block 23 and the transverse clamping block 25 is a sharp angle, the lower end of the transverse clamping block 25 is clamped with the longitudinal clamping block 14, a blocking piece 24 is arranged at the upper end of the transverse clamping block 25, a supporting transverse plate 22 is arranged in the upper end of the top tower body 9, a servo motor 13 is arranged at the upper end of the supporting transverse plate 22, an output shaft of the servo motor 13 is fixedly connected with a driving rotating shaft 2, a conveying belt 4 is connected to the side surface of the driving rotating shaft 2 in a transmission manner, a stretching rotating shaft 3 is arranged on the side surface of the conveying belt 4, a second fixing rod 19 is rotatably connected to the inner part of the stretching rotating shaft 3, a moving block 20 is fixedly connected to one end of the second fixing rod 19, a threaded lead screw 18 is arranged in the second fixing rod 19, and two ends of the threaded lead screw 18 are rotatably connected with the top tower body 9, both ends of a threaded lead screw 18 are provided with inner hexagonal grooves 17, the upper end of a top tower body 9 is provided with a rotating device 1, the upper end of the rotating device 1 is provided with a control chamber 10, one side of the control chamber 10 is provided with a supporting frame, the upper end of the supporting frame is provided with a crane boom 11, the side surface of a conveyor belt 4 is provided with a hook 27, the side surface of the conveyor belt 4 is provided with a driven rotating shaft 5, the inside of the driven rotating shaft 5 is rotatably connected with a first fixing rod 6, one end of the first fixing rod 6 is fixedly connected with a supporting block 12, one side of the supporting block 12 is fixedly connected with a bottom tower body 7, the inner side of the top tower body 9 is provided with a limiting column 21, the lower surface of the limiting column 21 is slidably connected with a moving block 20, the inside of the moving block 20 is provided with a threaded hole matched with the threaded lead screw 18, the length of the limiting column 21 is matched with the inner width of the top tower body 9, the driving rotating shaft 2, the stretching rotating shaft 3 and the inside of the side surface of the driven rotating shaft 5 are provided with grooves matched with the conveyor belt 4, the length of the driving rotating shaft 2 and the length of the stretching rotating shaft 3 are the same as those of the driven rotating shaft 5, the diameter and the length of the first fixing rod 6 and the second fixing rod 19 are the same, and through holes matched with the second fixing rod 19 and the first fixing rod 6 are formed in the stretching rotating shaft 3 and the driven rotating shaft 5 respectively.

When the positioning device is used, the positioning conical blocks 26 at four corners of the lower end of the middle tower body 8 are inserted into the grooves formed in the upper end of the bottom tower body 7 to complete positioning, one side of the positioning conical block is overlapped with the middle tower body 8 when the height is increased, the locking block 23 on the inner side of the middle tower body 8 is in contact with the inclined plane at one end of the longitudinal clamping block 14 through the forty-five degree inclined plane of the side surface of the locking block and is extruded to transversely move, the spring 16 is stretched at the moment, the longitudinal clamping block 14 is clamped into the locking block 23 under the action of the spring 16 after the locking block 23 descends to the designated position, the transverse clamping block 25 is extruded upwards in the transverse moving process of the longitudinal clamping block 14, the transverse clamping block 25 automatically falls under the action of gravity after the longitudinal clamping block 14 is clamped into the locking block 23, the conveyor belt 4 is placed in the grooves formed in the side surfaces of the driving rotating shaft 2, the stretching rotating shaft 3 and the driven rotating shaft 5, and the handle is matched with the inner hexagonal groove 17 to drive the threaded screw 18 to rotate, promote movable block 20 and carry out the sideslip, tensile pivot 3 and second dead lever 19 synchronous motion stop until after stretching conveyer belt 4 completely, prevent that conveyer belt 4 from influencing the use inadequately because the friction in the transmission, hang required article on couple 27 when needing to transmit article in the use, start servo motor 13 and drive initiative pivot 2 and rotate and make conveyer belt 4 begin to rotate, transmit article to support diaphragm 22 department.

In conclusion, the tower crane convenient to install achieves the effect of conveniently fixing the tower body by arranging the longitudinal fixture blocks 14, the stop blocks 15, the springs 16, the locking blocks 23, the stop pieces 24, the transverse fixture blocks 25, the positioning conical blocks 26 and the like, in the using process, the positioning conical blocks 26 at four corners of the lower end of the middle tower body 8 are inserted into the grooves formed in the upper end of the bottom tower body 7 to complete positioning, the middle tower body 8 is superposed on one side when the height is increased, in addition, the locking blocks 23 at the inner side of the middle tower body 8 in the positioning process are contacted with the inclined planes at one ends of the longitudinal fixture blocks 14 through the forty-five inclined planes at the side surfaces of the locking blocks and extruded to transversely move, and the longitudinal fixture blocks 14 are clamped into the locking blocks 23 under the action of the springs 16 after the locking blocks 23 descend to the designated positioning, so that the defect that the tower body is inconvenient to fix in the installing process is avoided; through setting up initiative pivot 2, tensile pivot 3, conveyer belt 4, driven spindle 5, first dead lever 6, supporting shoe 12, servo motor 13, second dead lever 19, movable block 20 and spacing post 21 etc., the effect of convenient follow below transmission article has been reached, place conveyer belt 4 in initiative pivot 2 in the use, the groove seted up is followed to tensile pivot 3 and driven spindle 5 side, use handle cooperation hexagon socket head 17 to drive threaded lead screw 18 and rotate, promote movable block 20 and carry out the sideslip, tensile pivot 3 and second dead lever 19 synchronous motion, stop until drawing conveyer belt 4 completely, later hang required article on couple 27, start servo motor 13 and drive initiative pivot 2 and rotate and make conveyer belt 4 begin to rotate, with this shortcoming of inconvenient follow below transmission article of avoiding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a tower crane convenient to installation, includes bottom body of the tower (7), its characterized in that: the upper end of the bottom tower body (7) is spliced with a middle tower body (8) through a positioning taper block (26), the upper end of the middle tower body (8) is spliced with a top tower body (9) through the positioning taper block (26), the inner two sides of the upper ends of the bottom tower body (7) and the middle tower body (8) are respectively connected with a longitudinal fixture block (14) in a sliding manner, one end of the longitudinal fixture block (14) is provided with a stop block (15), two ends of one side of the stop block (15) are respectively provided with a spring (16), one end of the spring (16) is respectively fixedly connected with two sides of the upper parts of the bottom tower body (7) and the middle tower body (8), the other end of the longitudinal fixture block (14) is clamped with a locking block (23), the upper part of one side of the locking block (23) is respectively fixedly connected with the lower ends of the inner two sides of the middle tower body (8) and the top tower body (9), the inner part of the upper surface of the locking block (23) is connected with a transverse fixture block (25) in a sliding manner, the lower extreme and the vertical fixture block (14) joint of horizontal fixture block (25), the upper end of horizontal fixture block (25) is provided with blocks piece (24), the inside support diaphragm (22) that is provided with in upper end of top shaft of the tower (9), the upper end of supporting diaphragm (22) is provided with servo motor (13), output shaft fixedly connected with initiative pivot (2) of servo motor (13), the side transmission of initiative pivot (2) is connected with conveyer belt (4), the side of conveyer belt (4) is provided with driven spindle (5), the internal rotation of driven spindle (5) is connected with first dead lever (6), the one end fixedly connected with supporting shoe (12) of first dead lever (6), one side and bottom shaft of supporting shoe (12) fixed connection (7).

2. An easy to install tower crane according to claim 1, wherein: the side of the conveyor belt (4) is provided with a stretching rotating shaft (3), the interior of the stretching rotating shaft (3) is rotatably connected with a second fixing rod (19), one end of the second fixing rod (19) is fixedly connected with a moving block (20), a threaded lead screw (18) is arranged inside the second fixing rod (19), two ends of the threaded lead screw (18) are rotatably connected with the top tower body (9), and two ends of the threaded lead screw (18) are provided with inner hexagonal grooves (17).

3. An easy to install tower crane according to claim 1, wherein: the inner side of the top tower body (9) is provided with a limiting column (21), the lower surface of the limiting column (21) is in sliding connection with a moving block (20), a threaded hole matched with a threaded lead screw (18) is formed in the moving block (20), and the length of the limiting column (21) is matched with the inner width of the top tower body (9).

4. An easy to install tower crane according to claim 1, wherein: the upper end of the top tower body (9) is provided with a rotating device (1), the upper end of the rotating device (1) is provided with a control chamber (10), one side of the control chamber (10) is provided with a supporting frame, the upper end of the supporting frame is provided with a crane boom (11), and the side surface of the conveyor belt (4) is provided with a hook (27).

5. An easy to install tower crane according to claim 1, wherein: the recess with conveyer belt (4) looks adaptation is all seted up to the side inside of initiative pivot (2), tensile pivot (3) and driven spindle (5), the length of initiative pivot (2) and tensile pivot (3) is the same with driven spindle (5), the diameter and the length of first dead lever (6) and second dead lever (19) are the same, the through-hole with second dead lever (19) and first dead lever (6) looks adaptation is seted up respectively to the inside of tensile pivot (3) and driven spindle (5).

6. An easy to install tower crane according to claim 1, wherein: one end of the longitudinal clamping block (14) is a sharp angle, grooves matched with the longitudinal clamping block (14) are formed in one side of the locking block (23), a through groove matched with the transverse clamping block (25) is formed in the locking block (23), a groove matched with the transverse clamping block (25) is formed in the upper end of the longitudinal clamping block (14), and the lower ends of the locking block (23) and the transverse clamping block (25) are both sharp angles.