Tower crane jacking standard knot introducing device

Abstract

The utility model discloses a jacking standard knot introducing device of a tower crane, and relates to the field of tower cranes. The tower crane jacking standard knot introducing device comprises an introducing trolley, an auxiliary trolley, an introducing cross beam and a power transmission system. The introduction trolley is mounted on an introduction cross beam track through bearing rollers; a lower end hook A is used for hanging a standard knot; the auxiliary trolley is hung on a lifting hook of the tower crane, and a lower-end hook B is used for hanging a standard knot; a lug plate is welded above the introduction cross beam, and the introduction cross beam is fixed on the lug plate of the rotary platform through a pin shaft; the power transmission system is composed of a machine base, a winch, a driving steel wire rope, a pulley and a controller, the machine base is fixed to a beam on the top of the sleeve frame through a U-shaped wire, the winch is fixed to the machine base, and the driving steel wire rope is connected with the two ends of an introduction rod of the introduction trolley through the winch and the fixed pulley. The controller controls the winch to rotate forwards and backwards to drive the introduction trolley to move forwards and backwards so that the standard knot can move forwards and backwards.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane technical field, especially a tower crane jacking standard section introduction device. BACKGROUND

[0002] In the building construction process, the hoisting work of building materials is generally completed by the tower crane, with the increasing height of the building, the tower crane also needs to cooperate with the building height jacking. The jacking process of tower crane is also the installation process of standard section, and the current jacking process needs the tower crane to hang a standard section by sling, then hang into the introduction beam trolley hook, and the introduction beam trolley is pulled into the jacking position by manpower together with the standard section. Because of the unbalanced hanging, the standard section is difficult to hang, the repeated hooking phenomenon occurs from time to time, so the professional quality of the installation personnel is required higher. After the standard section is hung, manual dragging is needed, which is high in labor intensity, complicated in operation, time-consuming and laborious, increases the workload and the risk of edge operation in the jacking process. In view of the problems existing in the prior art, a tower crane jacking standard section introduction device needs to be developed to solve the problems of the current tower crane jacking operation standard section introduction work procedure, which is complicated, high in risk, time-consuming and laborious, and high in professional quality requirement of the jacking personnel, so as to make the jacking process convenient, safe and efficient. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The utility model solves the technical problem that the unbalanced hanging, the hooking difficulty, the long time consumption, the high risk of edge operation and the high labor intensity in the early stage, so that the tower crane jacking standard section introduction work link, such as hooking, hooking and standard section introduction, is more convenient, fast, safe and efficient.

[0005] (II) Technical scheme

[0006] The utility model discloses a tower crane jacking standard section introduction device, including: introduction trolley, auxiliary trolley, introduction crossbeam, power transmission system, the introduction trolley is by introduction pole, load roller, gyro wheel support seat, connecting steel wire rope A, crossbeam A and hook A are composed, gyro wheel support seat is welded fixed on the introduction pole upside, and load roller is installed on gyro wheel support seat, and is installed on introduction crossbeam track, and crossbeam A is connected with the both sides and both ends of introduction pole through connecting steel wire rope A, and is fixed with rope card, and hook A is welded on crossbeam A and is used for hanging standard section, the auxiliary trolley is by bearing beam, hangs crossbeam, connecting steel wire rope B, crossbeam B and hook B are composed, and bearing beam is welded with hanging crossbeam, and crossbeam B is connected with the both sides and both ends of bearing beam through connecting steel wire rope B, and is fixed with rope card, and hook B is welded on crossbeam B and is used for hanging standard section, the introduction crossbeam upper end is welded with two lug plates, is fixed on the rotary platform lug plate through the pin shaft, and the front end is installed with the fixed pulley, and the front and rear end portion is welded with the steel sheet, prevents load roller from separating from track, the power transmission system is by bed, U type silk, winch, fixed pulley, drive steel wire rope A, drive steel wire rope B and controller are composed, and the bed is fixed on the sleeve frame top crossbeam through U type silk, and the winch is fixed on the bed, and one end of drive steel wire rope A is fixed on the winch reel, and the other end is connected with the front end of introduction pole through fixed pulley, and one end of drive steel wire rope B is fixed on the winch reel, and the other end is connected with the rear end of introduction pole, and the controller controls winch and drives introduction trolley to move back and forth to realize standard section to move back and forth.

[0007] Preferably, the introduction pole is made of a 80mm*50mm*5mm rectangular tube, and the material is Q355B.

[0008] Preferably, the introduction crossbeam is made of two 10# channel steels welded back to back, and the upper end lug plate is made of a 6mm thick steel plate, and a φ20mm pin shaft hole is arranged on the lug plate.

[0009] Preferably, the bed is welded from a 8mm thick steel plate, the material is Q235, a φ10mm bolt hole is arranged at the corresponding installation position, and the lower end is reinforced by a 5mm thick inclined rib plate, and the material is Q235.

[0010] Preferably, the hook A is cut from a 8mm thick steel plate, and the material is Q355B.

[0011] Preferably, the hook B is cut from a 8mm thick steel plate, and the material is Q355B.

[0012] Preferably, the gyro wheel support seat is cut from a 8mm thick steel plate, and the material is Q355B.

[0013] Preferably, the crossbeam is made of a φ60mm wall thickness 5mm steel pipe.

[0014] Preferably, the connecting steel wire rope has a diameter of φ8mm.

[0015] Preferably, the controller is provided with an emergency stop switch, an advancing switch, a retreating switch, and a mistaken touch prevention function.

[0016] (Three) beneficial effects

[0017] The tower crane jacking standard section leading-in device has the advantages of novel structure, convenience, safety and reliability, and solves the problems of unbalanced hanging, difficult hooking, long time consumption, high danger in edge operation and high labor intensity, effectively improves the jacking efficiency, and has the advantages of novel structure, convenience, safety and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the tower crane jacking standard section leading-in device according to an embodiment of the utility model, and the tower crane jacking standard section leading-in device comprises a controller 1, a machine base 2, a driving winch 3, a pin shaft 4, a driving steel wire rope B 5, a leading-in cross beam 6, an ear plate 7, a bearing roller 8, a roller support seat 9, a fixed pulley 10, a standard section 11, a hook A 12, a cross rod A 13, a leading-in rod 14, a connecting steel wire rope A 15, a driving steel wire rope A 16, a U-shaped wire 17, a bearing beam 18, a hanging cross beam 19, a connecting steel wire rope B 20, a cross rod B 21 and a hook B 22.

[0019] Figure 2 is a three-dimensional view of the leading-in trolley according to an embodiment of the utility model.

[0020] Figure 3 is a local schematic view of the connection between the leading-in trolley and the driving steel wire rope according to an embodiment of the utility model.

[0021] Figure 4 is a front view of the leading-in cross beam according to an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following embodiments are only used to illustrate the utility model, but not used to limit the scope of the utility model.

[0023] Figure 1 is a structural schematic view of the tower crane jacking standard section leading-in device according to an embodiment of the utility model, and the tower crane jacking standard section leading-in device comprises a controller 1, a machine base 2, a driving winch 3, a pin shaft 4, a driving steel wire rope B 5, a leading-in cross beam 6, an ear plate 7, a bearing roller 8, a roller support seat 9, a fixed pulley 10, a standard section 11, a hook A 12, a cross rod A 13, a leading-in rod 14, a connecting steel wire rope A 15, a driving steel wire rope A 16, a U-shaped wire 17, a bearing beam 18, a hanging cross beam 19, a connecting steel wire rope B 20, a cross rod B 21 and a hook B 22.

[0024] The specific working principle is as follows:

[0025] When the tower crane is jacking, the auxiliary trolley is hung by the hook of the tower crane, and a standard section is hung by the hook of the auxiliary trolley. After being hoisted to a certain height, the tower crane is operated to run backward to above the lead-in trolley, the hook of the tower crane is lowered, and after the hook of the lead-in trolley is hung on the standard section, the tower crane is operated to drive the hook and the auxiliary trolley away. The hook and the auxiliary trolley are hung on another standard section and are operated to the jacking and leveling position. The jacking system is started to jack the tower body to a position where a standard section can be just fitted. The backward button of the controller is pressed to control the lead-in trolley to move backward. The lead-in trolley is driven by the driving winch to drive the standard section to move to the position under the lead-in beam in the sleeve. After the standard section is placed in the fixed position and the upper and lower connecting bolts are tightened, the sleeve of the tower crane is lowered, the hook of the lead-in trolley is removed, the forward button of the controller is pressed to control the lead-in trolley to move forward to the front end of the lead-in beam, the hook of the tower crane is operated to hang the auxiliary trolley and the standard section, and the auxiliary trolley and the standard section are operated to move to the position below the lead-in trolley. The above procedure is repeated to perform the cyclic operation of the standard section jacking and leading-in.

[0026] The above embodiments are only used for describing the utility model, and are not limited to the utility model. Those skilled in the art can make changes and modifications without departing from the spirit and scope of the utility model. All equivalent technical solutions belong to the scope of the utility model. The patent protection scope of the utility model should be limited by the claims.

Claims

1. A tower crane jacking standard section introduction device, characterized in that, The utility model relates to a kind of standard section introduction device, including: Introduce trolley, auxiliary trolley, introduction crossbeam, power transmission system;The introduction trolley is composed of introduction rod (14), bearing roller (8), roller support seat (9), connecting steel wire rope A (15), crossbar A (13) and hook A (12), roller support seat (9) is welded and fixed on the upside of introduction rod (14), bearing roller (8) is installed on roller support seat (9), and is installed on the track of introduction crossbeam (6), crossbar A (13) is connected with the two sides and two ends of introduction rod (14) by connecting steel wire rope A (15), and is fixed with rope clamp, hook A (12) is welded on crossbar A (13) for hanging standard section (11);The auxiliary trolley is composed of bearing beam (18), hanging crossbeam (19), connecting steel wire rope B (20), crossbar B (21) and hook B (22), bearing beam (18) is welded with hanging crossbeam (19), crossbar B (21) is connected with the two sides and two ends of bearing beam (18) by connecting steel wire rope B (20), and is fixed with rope clamp, hook B (22) is welded on crossbar B (21) for hanging standard section (11);The upper end of introduction crossbeam (6) is welded with two lug plates (7), is fixed on the lug plate of rotary platform by pin shaft (4), is installed with fixed pulley (10) in front end, and is welded with steel plate in front and rear end portion, to prevent bearing roller (8) from disengaging track;The power transmission system is composed of machine base (2), U-shaped wire (17), winch (3), fixed pulley (10), drive steel wire rope A (16), drive steel wire rope B (5) and controller (1), machine base (2) is fixed on the top crossbeam of sleeve frame by U-shaped wire (17), winch (3) is fixed on machine base (2), one end of drive steel wire rope A (16) is fixed on the reel of winch (3), the other end is connected with the front end of introduction rod (14) through fixed pulley (10), one end of drive steel wire rope B (5) is fixed on the reel of winch (3), the other end is connected with the rear end of introduction rod (14), controller (1) controls winch (3) to realize standard section (11) to move forward and backward by driving introduction trolley to move forward and backward.

2. A tower crane jacking block lead-in device as claimed in claim 1, characterized in that The introduction rod (14) is made of 80mm×50mm×5mm rectangular tube, and the material is Q355B.

3. A tower crane jacking segment introduction device as claimed in claim 1, characterized in that The introduction crossbeam (6) is made of two 10# channel steel back-to-back welding, and the lug plate (7) at the upper end is made of 6mm thick steel plate. A φ20mm pin shaft hole is provided on the lug plate.

4. A tower crane jacking block lead-in device as claimed in claim 1, characterized in that The machine base (2) is made of 8mm thick steel plate welding, and the material is Q235. A φ10mm bolt hole is provided at the corresponding mounting position. The lower end is reinforced with a 5mm thick inclined rib plate, and the material is Q235.

5. A tower crane jacking block lead-in device as claimed in claim 1, characterized in that The hook A (12) is made of 8mm thick steel plate cutting, and the material is Q355B.

6. A tower crane jacking block lead-in device as claimed in claim 1, characterized in that The hook B (22) is made of 8mm thick steel plate cutting, and the material is Q355B.

7. A tower crane jacking block lead-in device as claimed in claim 1, characterized in that The roller support seat (9) is made of 8mm thick steel plate cutting, and the material is Q355B.

Images