CN212858453U

CN212858453U - Dismounting device of pulley shaft on upper frame of field bridge lifting appliance

Info

Publication number: CN212858453U
Application number: CN202021488527.0U
Authority: CN
Inventors: 郎进忠; 张茂捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-04-02
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a field bridge hoist upper rack pulley shaft dismounting device in the field of pulley shaft dismounting, which comprises a bottom plate, wherein a clamping device is fixedly arranged at the upper end of the bottom plate, the clamping device comprises an outer sleeve, a fluted disc is fixedly arranged in the outer sleeve, the fluted disc is meshed with a bevel gear, the rear end of the bevel gear is rotatably connected with a rotating shaft, an inner sleeve is fixedly arranged at the rear end of the rotating shaft, a rotating block is fixedly connected with the front end of the bevel gear, and a hexagonal groove is arranged at the front end; the upper end of the fluted disc is fixedly connected with a disc-shaped thread, the disc-shaped thread is connected with a thread block, and the front end of the thread block is fixedly connected with a clamping plate; outer sleeve upper end fixedly connected with visor, square groove has been seted up to the visor lower extreme, and the screw thread piece slides in square groove, the utility model discloses simple structure cost of manufacture is low, only needs simple operation just can reach handy dismantlement loose pulley shaft.

Description

Dismounting device of pulley shaft on upper frame of field bridge lifting appliance

Technical Field

The utility model relates to a dismantlement field of loose pulley shaft specifically is dismounting device of field bridge hoist upper carriage loose pulley shaft.

Background

The field bridge is a general name of port industry. The tyre type container portal crane is more exactly named as a tyre type container portal crane and mainly comprises a portal support, a lifting structure, a large and small vehicle structure and the like. With the ever-increasing throughput of port containers, the requirements on the working efficiency and the safety factor of port equipment maintenance are higher and higher.

However, the traditional disassembly of the pulley shaft on the upper frame of the field bridge hanger is that a maintenance worker uses a sledge hammer and a copper bar to knock against the end part of the pulley shaft until the pulley shaft is knocked out, and as the knocking range of the pulley shaft is small, the operability is difficult, the technology of the maintenance worker is required to be high, so that the labor intensity of the maintenance worker is high, and the maintenance efficiency is low.

Therefore, the field bridge spreader upper frame pulley shaft dismounting device is provided by the technical personnel in the field bridge spreader to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dismounting device of yard bridge hoist upper carriage loose pulley axle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the dismounting device for the pulley shaft on the upper frame of the field bridge lifting appliance comprises a bottom plate, wherein a clamping device is fixedly arranged at the upper end of the bottom plate and comprises an outer sleeve, a fluted disc is fixedly arranged in the outer sleeve and is meshed with a bevel gear, the rear end of the bevel gear is rotatably connected with a rotating shaft, an inner sleeve is fixedly arranged at the rear end of the rotating shaft, a rotating block is fixedly connected to the front end of the bevel gear, and a hexagonal groove is formed in the front end of the rotating block; the upper end of the fluted disc is fixedly connected with a disc-shaped thread, the disc-shaped thread is connected with a thread block, and the front end of the thread block is fixedly connected with a clamping plate; the protective cover is fixedly connected to the upper end of the outer sleeve, a square groove is formed in the lower end of the protective cover, and the thread block slides in the square groove.

As a further aspect of the present invention: the utility model discloses a portable dismantlement pulley shaft, including bottom plate, bottom plate upper end fixedly connected with backup pad, backup pad upper end fixedly connected with crossbeam, crossbeam lower extreme fixedly connected with pneumatic cylinder, the hydraulic cylinder has cup jointed the hydraulic stem, hydraulic stem lower extreme threaded connection has the threaded rod, can reach portable dismantlement pulley shaft through using this device.

As a further aspect of the present invention: the lower end of the bottom plate is fixedly connected with the standing columns which are uniformly distributed at the lower end of the bottom plate, and stable support can be achieved by using the device.

As a further aspect of the present invention: the middle position of the upper end face of the bottom plate penetrates through the circular groove, and the pulley shaft can fall conveniently by using the device.

As a further aspect of the present invention: the thread blocks correspond to the square grooves one by one, and the thread blocks are triangular, so that the purpose of self-locking can be achieved by using the device.

As a further aspect of the present invention: the thread blocks and the clamping plates are uniformly distributed on the fluted disc, the clamping plates are arc-shaped, and the clamping of the pulleys can be achieved by using the device.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

1. through in inserting hexagonal spanner into hexagonal groove, thereby rotate hexagonal spanner and drive bevel gear and rotate, bevel gear's rotation makes the meshing fluted disc take place to rotate, and the rotation of fluted disc also is accompanied the disc screw rotation simultaneously, and the rotation of disc screw makes the screw thread piece slide in square inslot, and the slip of screw thread piece is driving the clamp plate and is removing, has just so reached the tight purpose of clamp to not equidimension pulley.

2. Make to extrude through rotating the threaded rod and live the loose pulley axle, then open the hydraulic pump, make the hydraulic stem downstream under the effect of pneumatic cylinder, along with constantly impel of hydraulic stem, until releasing the loose pulley axle the pulley, then the loose pulley axle falls down from the circular recess that the bottom plate up end was seted up, has just so solved inconvenient problem of taking the dismantlement loose pulley axle, great reduction maintenance workman's intensity of labour, improved maintenance efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the clamping device of the present invention;

fig. 3 is a schematic structural diagram of a middle-right view section of the present invention.

In the figure: 1-bottom plate, 2-clamping device, 201-protective cover, 202-outer sleeve, 203-rotating block, 204-thread block, 205-clamping plate, 206-disc thread, 207-square groove, 208-rotating shaft, 209-inner sleeve, 210-gear disc, 211-hexagonal groove, 212-bevel gear, 3-support plate, 4-hydraulic cylinder, 5-hydraulic rod, 6-threaded rod, 7-standing column, 8-beam and 9-circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a dismounting device for a pulley shaft on an upper frame of a field bridge spreader includes a bottom plate 1, a clamping device 2 is fixedly disposed at an upper end of the bottom plate 1, the clamping device 2 includes an outer sleeve 202, a fluted disc 210 is fixedly disposed in the outer sleeve 202, the fluted disc 210 is meshed with a bevel gear 212, a rear end of the bevel gear 212 is rotatably connected to a rotating shaft 208, an inner sleeve 209 is fixedly disposed at a rear end of the rotating shaft 208, a rotating block 203 is fixedly connected to a front end of the bevel gear 212, and a hexagonal groove 211; the upper end of the fluted disc 210 is fixedly connected with a disc-shaped thread 206, the disc-shaped thread 206 is in threaded connection with a thread block 204, and the front end of the thread block 204 is fixedly connected with a clamping plate 205; the upper end of the outer sleeve 202 is fixedly connected with a protective cover 201, the lower end of the protective cover 201 is provided with a square groove 207, and the thread block 204 slides in the square groove 207.

The upper end of the bottom plate 1 is fixedly connected with a supporting plate 3, the upper end of the supporting plate 3 is fixedly connected with a cross beam 8, the lower end of the cross beam 8 is fixedly connected with a hydraulic cylinder 4, the hydraulic cylinder 4 is sleeved with a hydraulic rod 5, the lower end of the hydraulic rod 5 is in threaded connection with a threaded rod 6, and the portable pulley shaft dismounting can be achieved by using the device; the lower end of the bottom plate 1 is fixedly connected with the standing posts 7, the standing posts 7 are uniformly distributed at the lower end of the bottom plate 1, and stable support can be achieved by using the device; a circular groove 9 penetrates through the middle position of the upper end face of the base plate 1, and the pulley shaft can conveniently fall down by using the device; the thread blocks 204 correspond to the square grooves 207 one by one, and the thread blocks 204 are triangular, so that the self-locking purpose can be achieved by using the device; the thread blocks 204 and the clamping plate 205 are uniformly distributed on the fluted disc 210, and the clamping plate 205 is in a circular arc shape, so that the pulley can be clamped by using the device.

The utility model discloses a theory of operation is:

use the utility model discloses the time, place required place with this device, when pressing from both sides tight the pulley, through holding the hexagonal spanner with the hand, fill in hexagonal groove 211 with the hexagonal spanner, thereby rotate the hexagonal spanner and drive bevel gear 212 and rotate, bevel gear 212's rotation makes meshing fluted disc 210 take place to rotate, fluted disc 210's rotation also accompanies disc screw 206 simultaneously and rotates, disc screw 206's rotation makes screw block 204 slide in square groove 207, screw block 204's slip is driving clamping plate 205 and is removing, just so can reach the tight purpose of clamp to not equidimension pulley.

When dismantling the pulley spindle, make pushing down the pulley spindle through rotating threaded rod 6, then open the hydraulic pump, make hydraulic stem 5 downstream under the effect of pneumatic cylinder 4, along with constantly impel of hydraulic stem 5, until releasing the pulley with the pulley spindle, then the pulley spindle falls down in the circular recess 9 that the terminal surface was seted up from bottom plate 1, just so can reach the dismantlement purpose to the pulley spindle, the utility model discloses simple structure cost of manufacture is low, only needs simple operation just can reach portable dismantlement pulley spindle, great reduction maintenance workman's intensity of labour, improved maintenance efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Dismounting device of yard bridge hoist upper bracket loose pulley axle, including bottom plate (1), its characterized in that: the clamping device (2) is fixedly arranged at the upper end of the bottom plate (1), the clamping device (2) comprises an outer sleeve (202), a fluted disc (210) is fixedly arranged in the outer sleeve (202), the fluted disc (210) is meshed with a bevel gear (212), the rear end of the bevel gear (212) is rotatably connected with a rotating shaft (208), an inner sleeve (209) is fixedly arranged at the rear end of the rotating shaft (208), a rotating block (203) is fixedly connected at the front end of the bevel gear (212), and a hexagonal groove (211) is formed in the front end of the rotating block (203); the upper end of the fluted disc (210) is fixedly connected with a disc-shaped thread (206), the disc-shaped thread (206) is in threaded connection with a thread block (204), and the front end of the thread block (204) is fixedly connected with a clamping plate (205); the protective cover (201) is fixedly connected to the upper end of the outer sleeve (202), a square groove (207) is formed in the lower end of the protective cover (201), and the thread block (204) slides in the square groove (207).

2. The dismounting device for the pulley shaft on the upper frame of the field bridge sling according to claim 1, characterized in that: bottom plate (1) upper end fixedly connected with backup pad (3), backup pad (3) upper end fixedly connected with crossbeam (8), crossbeam (8) lower extreme fixedly connected with pneumatic cylinder (4), hydraulic cylinder (4) have cup jointed hydraulic stem (5), hydraulic stem (5) lower extreme threaded connection has threaded rod (6).

3. The dismounting device for the pulley shaft on the upper frame of the field bridge sling according to claim 1, characterized in that: the lower end of the bottom plate (1) is fixedly connected with standing columns (7), and the standing columns (7) are uniformly distributed at the lower end of the bottom plate (1).

4. The dismounting device for the pulley shaft on the upper frame of the field bridge sling according to claim 1, characterized in that: a circular groove (9) penetrates through the middle position of the upper end face of the bottom plate (1).

5. The dismounting device for the pulley shaft on the upper frame of the field bridge sling according to claim 1, characterized in that: the thread blocks (204) correspond to the square grooves (207) one by one, and the thread blocks (204) are triangular.

6. The dismounting device for the pulley shaft on the upper frame of the field bridge sling according to claim 1, characterized in that: the thread blocks (204) and the clamping plates (205) are uniformly distributed on the fluted disc (210), and the clamping plates (205) are in arc shapes.