CN215593995U

CN215593995U - Wind-proof ground anchor for gantry crane

Info

Publication number: CN215593995U
Application number: CN202121157391.XU
Authority: CN
Inventors: 晏仁斌; 左文
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-21
Anticipated expiration: 2031-05-27

Abstract

A wind-proof ground anchor for a gantry crane comprises an anchoring shaft, wherein the anchoring shaft is arranged in a mounting seat, the lower end of the anchoring shaft penetrates through the mounting seat, the anchoring shaft is in threaded fit with a gear nut, the gear nut is meshed with a first straight gear, the first straight gear is meshed with a second straight gear, the second straight gear is coaxially connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is driven to rotate by a hand wheel; the second spur gear is driven to rotate by the driving motor. The utility model adopts electric anchoring during normal work, has simple operation and can save manpower. When the electric driving system has a fault, manual driving can be adopted, and the safety factor is high.

Description

Wind-proof ground anchor for gantry crane

Technical Field

The utility model belongs to the technical field of installation of a door machine windproof ground anchor, and particularly relates to a door machine windproof ground anchor.

Background

The existing wind-proof ground anchor of the gantry crane is mainly a threaded rotary plunger type or a thread-free plunger type, and the thread-free plunger type locking is mainly used for anchoring of a small gantry crane. The large-scale gantry crane is mainly locked by a threaded rotary plunger piston, and when the gantry crane needs to be anchored, the ground anchor shaft with threads in the middle is manually rotated to fall into a ground locking groove, so that the axial anchoring of the gantry crane is realized. When the gantry crane needs to walk along the axial direction, the ground anchor shaft with the threads in the middle is rotated, and the ground anchor shaft is pulled out of the ground anchor groove manually.

Because the portal crane is often located outdoors, the working environment is harsher, and the ground anchor shaft with threads in the middle is large in size, the situations that the threads are corroded, the ground anchor shaft is hairpin, and manual rotation is difficult often occur.

SUMMERY OF THE UTILITY MODEL

In view of the technical problems in the background art, the gantry crane windproof ground anchor provided by the utility model can be electrically anchored or manually anchored. The electric anchoring is adopted during normal work, the operation is simple, and the labor can be saved. When the electric driving system has a fault, manual driving can be adopted, and the safety factor is high.

In order to solve the technical problems, the utility model adopts the following technical scheme to realize:

a wind-proof ground anchor for a gantry crane comprises an anchoring shaft, wherein the anchoring shaft is arranged in a mounting seat, the lower end of the anchoring shaft penetrates through the mounting seat, the anchoring shaft is in threaded fit with a gear nut, the gear nut is meshed with a first straight gear, the first straight gear is meshed with a second straight gear, the second straight gear is coaxially connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is driven to rotate by a hand wheel; the second spur gear is driven to rotate by the driving motor.

In a preferable scheme, a coupler and a clutch are arranged between the driving motor and the second straight gear, and the clutch is used for connecting an output shaft of the driving motor with the coupler in a matched manner.

In a preferred scheme, the driving motor is a speed reducing motor.

In a preferred embodiment, the clutch is actuated by a clutch lever.

In the preferred scheme, the lower part of the anchoring shaft is provided with a square groove, the square groove is matched with a stop block, and the stop block is fixed at the bottom of the mounting seat.

In a preferable scheme, the gear nut is connected with the mounting seat through a thrust bearing.

In the preferred scheme, the upper end and the lower end of the mounting seat are both provided with photoelectric switches.

This patent can reach following beneficial effect:

1. the gantry crane anchoring device can adopt electric anchoring and manual anchoring. The electric anchoring is adopted during normal work, so that the labor can be saved. When the electric driving system has a fault, manual driving can be adopted, and the safety factor is high.

2. The novel gantry crane anchoring device is added with a speed reduction driving system, has smaller operating force than the original gantry crane anchoring device, and is convenient for workers to operate.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is an internal structural view of the present invention;

FIG. 2 is a view showing the structure of the external appearance of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

fig. 5 is a view of the pin and cotter pin mounting location of the present invention.

In the figure: 1-a mounting base, 2-a thrust bearing, 3-a gear nut, 4-a copper ring, 5-an anchoring shaft, 6-a first straight gear, 7-a second straight gear, 8-a first bevel gear, 9-a second bevel gear, 10-a driving shaft, 11-a first straight key, 12-a circlip, 13-a shaft end cover, 14-a hand wheel, 15-a stop, 16-a speed reducing motor, 17-a coupler, 18-a second straight key, 19-a clutch, 20-a mounting base end plate, 21-a first gear cover, 22-a second gear cover, 23-a photoelectric switch, 24-a clutch operating rod, 25-a pin shaft, 26-a split pin, 27-a motor mounting nut and 28-an anchor pit.

Detailed Description

As shown in fig. 1 to 4, a preferred scheme is a wind-proof ground anchor for a door machine, which comprises an anchoring shaft 5, wherein the anchoring shaft 5 is installed in an installation seat 1, the lower end of the anchoring shaft 5 penetrates through the installation seat 1, an anchoring pit 28 is arranged below the installation seat 1, and a shaft end cover 13 is arranged at the top of the anchoring shaft 5; the anchoring shaft 5 is in threaded fit with the gear nut 3, the gear nut 3 is meshed with a first straight gear 6, the first straight gear 6 is meshed with a second straight gear 7, the second straight gear 7 is coaxially connected with a first bevel gear 8, the first bevel gear 8 is meshed with a second bevel gear 9, and the second bevel gear 9 is driven to rotate by a hand wheel 14; the second spur gear 7 is driven to rotate by the drive motor.

Copper ring 2 and first gear cover 21 are installed on 3 upper portions of gear nut, and the effect of copper ring is: when the anchoring shaft moves downwards, the gear nut has upward acting force, the upper part of the gear nut has sliding friction, and the copper ring has the function of acting as a sliding ring and a thrust bearing. A second gear cover 22 is provided above the first bevel gear 8 and the second bevel gear 9. The hand wheel 14 is connected to the second bevel gear 9 via the drive shaft 10 and the first straight key 11. The circlip 12 serves to limit the movement of the second bevel gear 9.

Further, a coupler 17 and a clutch 19 are arranged between the driving motor and the second spur gear 7, and the clutch 19 is used for connecting an output shaft of the driving motor with the coupler 17 in a matching manner. The coupling 17 is connected to the first bevel gear 8 by means of a second straight key 18.

Further, the drive motor is a reduction motor 16.

Further, the clutch 19 is driven by a clutch lever 24. The side of the mounting seat 1 is a mounting seat end plate 20, the mounting seat end plate 20 is provided with a hole, and the operating rod 24 penetrates through the hole.

Furthermore, the lower part of the anchoring shaft 5 is provided with a square groove, the square groove is matched with the stop block 15, and the stop block 15 is fixed at the bottom of the mounting seat 1.

Further, a gear nut 3 is connected to the mount 1 through a thrust bearing 2.

Further, photoelectric switches 23 are arranged at the upper end and the lower end of the mounting seat 1. The photoelectric switch 23 is used for detecting the end positions of the upper and lower ends of the anchor shaft 5.

As shown in fig. 5, the pin shaft 25 and the cotter pin 26 are the fulcrum of the clutch operating lever.

The working principle is as follows:

as shown in fig. 1, the anchor shaft 5 is lifted by the forward and reverse rotation of the gear nut 3, the thrust bearing 2 is installed at the bottom of the gear nut 3 for supporting the gear nut 3, and the copper ring 2 and the first gear cover are installed at the upper part of the gear nut 3 to ensure the gear nut 3 to rotate in the radial direction. The lower part of the anchoring shaft 5 is provided with a square groove, and a stop block 15 arranged at the lower part of the mounting seat 1 is clamped in the square groove at the lower part of the anchoring shaft 5 and is used for preventing the anchoring shaft 5 from radially rotating and ensuring the axial movement of the anchoring shaft 5. A clutch 19 is installed between the reduction motor 16 and the coupling 17.

When manual actuation of the anchor shaft is required, the clutch 19 is released, allowing the reduction motor 16 to disengage from the transmission. The clutch operating lever 24 is pushed up to disengage the engagement means on the clutch 19 from the coupling 17. The manual operation hand wheel 14 is rotated to drive the reduction gear transmission device, and the reduction gear transmission device drives the gear nut 3 to rotate in the forward and reverse directions, so that the anchor shaft 5 is lifted.

When it is desired to electrically drive the anchor shaft, clutch 19 is closed, allowing gear motor 16 to engage the transmission. The clutch lever 24 is pressed down to engage the engagement means on the clutch 19 with the coupling 17. The reduction gear transmission device is driven by the reduction motor 16, and the reduction gear transmission device drives the gear nut 3 to rotate in the forward and reverse directions, so that the anchor shaft 5 is lifted. Photoelectric switches 23 are installed on the upper and lower parts of the installation base 1 and are used for controlling the automatic stop of the anchoring shaft 5 after the anchoring shaft ascends and descends to the right position.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a ground anchor is prevent wind to door machine, includes anchor axle (5), installs in mount pad (1) anchor axle (5), and anchor axle (5) lower extreme runs through mount pad (1), its characterized in that: the anchoring shaft (5) is in threaded fit with the gear nut (3), the gear nut (3) is meshed with a first straight gear (6), the first straight gear (6) is meshed with a second straight gear (7), the second straight gear (7) is coaxially connected with a first bevel gear (8), the first bevel gear (8) is meshed with a second bevel gear (9), and the second bevel gear (9) is driven to rotate by a hand wheel (14); the second straight gear (7) is driven by the driving motor to rotate.

2. The door machine windproof ground anchor according to claim 1, characterized in that: a coupler (17) and a clutch (19) are arranged between the driving motor and the second straight gear (7), and the clutch (19) is used for connecting an output shaft of the driving motor with the coupler (17) in a matching manner.

3. The gantry crane windproof ground anchor according to claim 1 or 2, characterized in that: the driving motor is a speed reducing motor (16).

4. The gantry crane windproof ground anchor according to claim 1 or 2, characterized in that: the clutch (19) is driven by a clutch lever (24).

5. The door machine windproof ground anchor according to claim 1, characterized in that: the lower part of the anchoring shaft (5) is provided with a square groove, the square groove is matched with a stop block (15), and the stop block (15) is fixed at the bottom of the mounting seat (1).

6. The door machine windproof ground anchor according to claim 1, characterized in that: the gear nut (3) is connected with the mounting seat (1) through a thrust bearing (2).

7. The door machine windproof ground anchor according to claim 1, characterized in that: photoelectric switches (23) are arranged at the upper end and the lower end of the mounting seat (1).