CN214270013U

CN214270013U - Dismounting device for large grinding wheel

Info

Publication number: CN214270013U
Application number: CN202022396808.XU
Authority: CN
Inventors: 刘建伟; 王刚; 张金平; 谭锐; 丁其
Original assignee: Luzhou Rongda Intelligent Transmission Co ltd
Current assignee: Luzhou Rongda Intelligent Transmission Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-24
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a dismounting device for big emery wheel, including crane assembly and davit subassembly, the one end of davit subassembly is fixed in on the crane assembly, the other end of davit subassembly is equipped with the davit subassembly, the davit subassembly includes the oblique lifting hook, the oblique lifting hook include one end with the first board that the davit subassembly links to each other, by keeping away from of first board the one end of davit subassembly is to keeping away from the second board that the direction of davit subassembly extends, by keeping away from of second board the one end of first board is to being close to the third board that the direction of first board is buckled and is extended, the normal direction and the contained angle of vertical direction of third board are 43-63, be equipped with the locking hole that two intervals set up on the third board. The utility model discloses aim at solving among the prior art, change the big emery wheel degree of difficulty and cause the technical problem of bodily injury greatly easily.

Description

Dismounting device for large grinding wheel

Technical Field

The utility model belongs to the technical field of the emery wheel hoist and mount, especially, relate to a dismounting device for big emery wheel.

Background

In the course of working of the belt pulley part, need to use a high-accuracy numerically controlled grinder produced in Germany, need to use three kinds of cutters in this high-accuracy numerically controlled grinder course of working, specifically do: the grinding wheel comprises a ball track grinding wheel with the diameter of 39.2mm, an inner hole grinding wheel with the diameter of 34mm and a conical surface grinding wheel with the diameter of 600mm, wherein the diameter of the conical surface grinding wheel with the diameter of 600mm is the largest, and the grinding wheel is called a large grinding wheel for short. The big emery wheel reaches and needs to be changed after the life-span, because the quality of big emery wheel is great, heavily reaches 150Kg, prior art can only, when carrying out big emery wheel change, needs a plurality of workman cooperations usually, and because lathe inner space is less, the axis of big emery wheel is about 53 contained angles with the work piece main shaft, has further increased the degree of difficulty of the change of emery wheel, and causes personnel's bodily injury easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Based on this, the utility model provides a dismounting device for big emery wheel, this dismounting device for big emery wheel aim at solving prior art, change the big emery wheel degree of difficulty and cause the technical problem of bodily injury easily greatly.

(II) technical scheme

In order to solve the technical problem, the utility model provides a dismounting device for big emery wheel, including crane assembly and davit subassembly, davit subassembly's one end is fixed in on the crane assembly, davit subassembly's the other end is equipped with the hook subassembly, the hook subassembly includes the hook that inclines, the hook that inclines include one end with the first board that davit subassembly links to each other, by keeping away from of first board the one end of davit subassembly is to keeping away from the second board that davit subassembly's direction extends, by keeping away from of second board the one end of first board is to being close to the third board that the direction of first board was buckled and is extended, the normal direction and the contained angle of vertical direction of third board are 43-63, be equipped with the locking hole that two intervals set up on the third board.

Preferably, the hoist assembly comprises: the lifting arm component is fixed on the vehicle body, the driving handle is arranged at one end of the vehicle body, which is far away from the lifting arm component, and traveling wheels are respectively arranged below the driving handle and the vehicle body.

Preferably, each locking hole is internally provided with a hook locking bolt.

Preferably, the hook assembly further comprises a hook pull fixed to the third plate on a side thereof adjacent to the hoist assembly.

Preferably, the inclined hooks are integrally formed by a metal material.

Preferably, the first plate is arranged along the horizontal direction, the second plate is arranged along the vertical direction, an included angle between the normal direction of the third plate and the vertical direction is 53 degrees, a pin hole is formed in one end, far away from the second plate, of the first plate, and a bolt is arranged in the pin hole.

Preferably, the boom assembly comprises: the lifting arm comprises a main arm hinged with the vertical arm and an extension arm connected with the main arm in a sliding manner, a lifting cylinder used for controlling the pitching angle of the lifting arm is arranged between the vertical arm and the main arm, and a lifting arm cylinder used for controlling the extension arm to stretch and retract is arranged between the main arm and the extension arm; the suspension arm assembly further comprises a winch unit and a steel wire rope, one end of the steel wire rope is connected with the winch unit, the other end of the steel wire rope is provided with a lifting ring, the winch unit is arranged on the crane assembly, the steel wire rope is arranged along the direction of the suspension arm, and an idler wheel is arranged below the steel wire rope; one end of the bolt is inserted into the pin hole and the lifting ring at the same time, and the other end of the bolt is inserted into the cotter pin to realize limiting.

Preferably, the dismounting device for the large grinding wheel further comprises an electric control assembly, and the electric control assembly is used for centrally controlling the working states of the winch set, the lifting cylinder and the lifting arm cylinder.

Preferably, one end of the vehicle body, which is close to the driving handle, is provided with a block-shaped bulge, and the driving handle is connected with the bulge.

Preferably, the electric control assembly is arranged on one side, close to the suspension arm assembly, of the vehicle body, the bulge, the vehicle body and the electric control assembly jointly form a counterweight accommodating groove, a counterweight block is arranged in the counterweight accommodating groove, and the winch unit is arranged on the electric control assembly.

(III) advantageous effects

The utility model discloses compare with prior art, the utility model relates to a dismounting device for big emery wheel's beneficial effect mainly includes:

(1) utilize the utility model relates to a dismounting device for big emery wheel when changing big emery wheel, through crane assembly and davit subassembly cooperation work, can easily hoist big emery wheel, utilize davit subassembly to hoist big emery wheel, can stretch into comparatively constrictive lathe inner space, greatly reduced the degree of difficulty that the emery wheel was changed, effectively protect emery wheel change personnel's personal safety. Under the narrow condition in skylight and inner space not opening, through utility model a dismounting device for big emery wheel, can easily hoist big emery wheel out from the lathe is inside to change.

(2) The utility model relates to an among the dismounting device for big emery wheel, through designing dedicated oblique lifting hook, can realize the slope installation of big emery wheel, make at the in-process of hoist and mount, big emery wheel is fixed in on the third board, because the normal direction of third board is 43-63 with the contained angle of vertical direction, its axis and the work piece main shaft of big emery wheel are the structure of about 53 contained angles and suit. Therefore, when the grinding wheel is disassembled and assembled, the angle adjusting range of the large grinding wheel is small, and personal injury can be effectively avoided.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a working state diagram of a dismounting device for a large grinding wheel according to an embodiment of the present invention;

fig. 2 is a schematic overall structural diagram of a dismounting device for a large grinding wheel according to an embodiment of the present invention;

FIG. 3 is a front view of the grinding wheel assembly being disassembled and assembled according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a partially enlarged view taken along B in fig. 1.

Description of reference numerals:

1. the crane comprises a crane assembly, a boom assembly, a lifting hook assembly, a lifting control assembly, an electric control assembly, a car body, a driving handle, a traveling wheel, a protrusion, a counterweight accommodating groove 15, a counterweight 16, a vertical arm 21, a main arm 22, a main arm 23, an extension arm, a lifting cylinder 24, a lifting cylinder 25, a boom cylinder 26, a winch unit 27, a steel wire rope 28, a lifting ring 29, a roller 31, a first plate 32, a second plate 32, a third plate 33, a hook locking bolt 34, a hook pull handle 35, a bolt 36, a cotter 37, a cotter pin 5, a grinding wheel assembly 51, a flange plate 52, a grinding wheel body 53, a grinding wheel gasket 54, a connecting plate, a connecting bolt 55, a process bolt 56 and a grinding wheel locking bolt 57.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a dismounting device for a large grinding wheel comprises a crane assembly 1 and a boom assembly 2, wherein one end of the boom assembly 2 is fixed on the crane assembly 1, the other end of the boom assembly 2 is provided with a hook assembly 3, the hook assembly 3 comprises an inclined hook, the inclined hook comprises a first plate 31 with one end connected with the boom assembly 2, a second plate 32 extending from one end of the first plate 31 far away from the boom assembly 2 to the direction far away from the boom assembly 2, and a third plate 33 extending from one end of the second plate 32 far away from the first plate 31 to the direction close to the first plate 31, the included angle between the normal direction of the third plate 33 and the vertical direction is 43-63 degrees, and two locking holes arranged at intervals are arranged on the third plate 33.

In the present embodiment, the structure of the dismounting device for a large grinding wheel according to the present invention will be described by taking the case of dismounting the grinding wheel unit 5 as an example. In the course of working of the belt pulley part, need to use a high-accuracy numerically controlled grinder produced in Germany, need to use three kinds of cutters in this high-accuracy numerically controlled grinder course of working, specifically do: the grinding wheel comprises a ball track grinding wheel with the diameter of 39.2mm, an inner hole grinding wheel with the diameter of 34mm and a conical surface grinding wheel with the diameter of 600mm, wherein the diameter of the conical surface grinding wheel with the diameter of 600mm is the largest, and the grinding wheel is called a large grinding wheel for short. The grinding wheel assembly 5 comprises a flange 51, a grinding wheel body 52 (namely, a large grinding wheel), a grinding wheel gasket 53, a connecting disc 54, a connecting bolt 55 and a grinding wheel locking bolt 57.

After big emery wheel reached life-span, usable the utility model relates to a dismounting device for big emery wheel changes, through crane subassembly 1 and 2 cooperation works of davit subassembly, can easily hoist big emery wheel, utilizes davit subassembly 2 to hoist big emery wheel, can stretch into comparatively constrictive lathe inner space, greatly reduced the degree of difficulty that the emery wheel was changed, effectively protect emery wheel change personnel's personal safety. And the special oblique lifting hook is designed to realize the oblique installation of the large grinding wheel, and during the lifting, the large grinding wheel is fixed on the third plate 33, and the included angle between the normal direction of the third plate 33 and the vertical direction is 43-63 degrees, so that the included angle is adapted to the structure that the axis of the large grinding wheel forms an included angle of about 53 degrees with the main shaft of the workpiece. Therefore, when the grinding wheel is disassembled and assembled, the angle adjusting range of the large grinding wheel is small, and personal injury can be effectively avoided.

According to a specific embodiment of the utility model, crane assembly 1 includes: the suspension arm assembly 2 is fixed on the vehicle body 11, the driving handle 12 is arranged at one end of the vehicle body 11 far away from the suspension arm assembly 2, and traveling wheels 13 are respectively arranged below the driving handle 12 and the vehicle body 11. The driving handle 12 is used to control the direction of the vehicle body 11, improving the direction controllability of the vehicle body 11.

According to the specific embodiment of the utility model, every locking hole all is equipped with a lifting hook locking bolt 34. The first plate 31 is provided with a pin hole at an end thereof remote from the second plate 32, and a pin 36 is provided in the pin hole. More specifically, the number of the pin holes is 2, the diameter of the pin holes is 20mm, and the steel wire ropes 27 on the crane component 1 are connected in series through the bolts 36 and the cotter pins 37; the lower end of the oblique lifting hook is connected with the grinding wheel component 5 through 2 lifting hook locking bolts 34.

According to a specific embodiment of the utility model, davit subassembly 2 includes: the lifting arm comprises a vertical arm 21 and a lifting arm, wherein the vertical arm 21 is arranged along the vertical direction, one end of the lifting arm is hinged to the top end of the vertical arm 21, the lifting arm comprises a main arm 22 hinged to the vertical arm 21 and an extension arm 23 connected with the main arm 22 in a sliding mode, a lifting cylinder 24 used for controlling the pitching angle of the lifting arm is arranged between the vertical arm 21 and the main arm 22, and a lifting arm cylinder 25 used for controlling the extension arm 23 to stretch is arranged between the main arm 22 and the extension arm 23; the boom component 2 further comprises a hoisting unit 26 and a steel wire rope 27 with one end connected with the hoisting unit 26, the other end of the steel wire rope 27 is provided with a hoisting ring 28, the hoisting unit 26 is arranged on the crane component 1, the steel wire rope 27 is arranged along the direction of the boom and a roller 29 is arranged below the steel wire rope 27; one end of the bolt 36 is inserted into the pin hole and the lifting ring 28, and the other end of the bolt 36 is inserted into the cotter pin 37 to realize the limit.

In the present embodiment, the lift cylinder 24 and the boom cylinder 25 are both oil cylinders or air cylinders. The lifting cylinder 24 is used for controlling the height of the boom, the boom cylinder 25 is used for stretching and retracting to drive the extension arm 23 to stretch and control the overall length of the boom, and the winch unit 26 is used for controlling the extending length of the steel wire rope 27.

According to a specific embodiment of the present invention, the hook assembly 3 further comprises a hook pull 35 fixed to the third plate 33 near one side of the hoist assembly 1. The hook pull 35 is used for manually fine-tuning the position of the hook assembly 3.

According to a specific embodiment of the utility model, the oblique lifting hook is by metal material integrated into one piece. The structure is beneficial to ensuring the overall mechanical property of the oblique lifting hook.

According to the specific embodiment of the utility model, first board 31 sets up along the horizontal direction, and second board 32 sets up along vertical direction, and the normal direction of third board 33 is 53 with the contained angle of vertical direction, because the axis of big emery wheel is about 53 contained angles with the work piece main shaft, adopts this structure can further reduce the degree of difficulty of the change of emery wheel.

According to the specific embodiment of the utility model, a dismounting device for big emery wheel still includes automatically controlled subassembly 4, and automatically controlled subassembly 4 is used for centralized control hoist unit 26, lifts operating condition of jar 24, davit jar 25. The electronic control assembly 4 facilitates the realization of centralized control. During specific implementation, a control button easy to recognize can be arranged on the electric control component 4, for example, by arranging a button with an arrow upward, the winding unit 26 is controlled to wind, the steel wire rope 27 is folded upward, and the extending length is shortened. By arranging a button with a downward arrow, the winch unit 26 is controlled to unwind, so that the steel wire rope 27 extends downwards, and the extending length is prolonged.

According to the specific embodiment of the utility model, the one end of automobile body 11 that is close to actuating handle 12 is equipped with massive arch 14, and actuating handle 12 links to each other with arch 14. According to the utility model discloses a specific embodiment, automatically controlled subassembly 4 locates the one side that is close to davit subassembly 2 on automobile body 11, and arch 14, automobile body 11 and automatically controlled subassembly 4 three enclose into counter weight accepting groove 15 jointly, are equipped with balancing weight 16 in the counter weight accepting groove 15, and hoist unit 26 is located on automatically controlled subassembly 4. Specifically, the weight 16 is composed of two stones with length, width, height, 900mm, 400mm, 150mm, the weight of a single stone is 125Kg, the total weight of the weight 16 is 125Kg, 2 Kg, 250Kg, the weight of the grinding wheel assembly 5 is 120Kg, and the total weight of the weight 16 is 2 times greater than the weight of the grinding wheel assembly 5, so that the requirements are met.

The following specifically explains the utility model discloses a use: the utility model discloses during the use, unpack apart the connecting bolt 55 of grinding wheel assembly 5, the symmetry respectively remains 2 connecting bolt 55, and connecting bolt 55 is in the pretension state this moment. Placing a balancing weight 16 on the vehicle body 11, and connecting the steel wire ropes 27 of the vehicle body 11 in series at the upper ends of the inclined lifting hooks through a bolt 36 and a cotter pin 37; the boom is brought to a certain height by adjusting the lifting cylinder 24, at which time the oblique hook is in operation. And controlling the driving handle 12 to move the vehicle body 11, fitting the oblique lifting hook with the flange plate 51 by adjusting the extension length of the lifting cylinder 24 and the length of the steel wire rope 27, rotating the grinding wheel assembly 5, and aligning and fastening 2 process bolts 56 in the grinding wheel assembly 5 with 2 locking holes of the oblique lifting hook. And screwing the process bolt 56 into the connecting disc process hole until the grinding wheel component 5 is half-off. And loosening the connecting bolt 55 in the pre-tightening state until the grinding wheel assembly 5 is separated from the grinding wheel spindle. And adjusting the lifting cylinder 24 to enable the lifting arm to be at a certain height, so that the grinding wheel assembly 5 can be conveniently moved out of the machine tool, driving the driving handle 12, moving the vehicle body 11, separating the grinding wheel assembly 5 from the machine tool, and placing the grinding wheel assembly on a prepared grinding wheel placing table. And loosening the grinding wheel locking bolt 57 in sequence, and taking out the flange plate 51, the grinding wheel gasket 53 and the large grinding wheel.

It should be noted that: the grinding wheel locking bolt 57 is used for connecting and locking the flange plate 51, the grinding wheel body 52 and the connecting disc 54, and after the wheel locking bolt 57 is loosened, the flange plate 51 and the grinding wheel body 52 are separated, so that the grinding wheel body 52 can be taken out.

Compared with the prior art, the utility model relates to a dismounting device for big emery wheel's beneficial effect as follows:

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. The dismounting device for the large grinding wheel is characterized by comprising a crane assembly and a suspension arm assembly, wherein one end of the suspension arm assembly is fixed on the crane assembly, the other end of the suspension arm assembly is provided with a suspension hook assembly, the suspension hook assembly comprises an inclined suspension hook, the inclined suspension hook comprises a first plate, one end of the first plate is connected with the suspension arm assembly, a second plate and a third plate, one end of the second plate, far away from the first plate, extends in the direction far away from the suspension arm assembly, the third plate bends and extends in the direction close to the first plate from one end of the second plate, the included angle between the normal direction of the third plate and the vertical direction is 43-63 degrees, and two locking holes are formed in the third plate at intervals.

2. The disassembly apparatus for large grinding wheels according to claim 1, wherein said crane assembly comprises: the lifting arm component is fixed on the vehicle body, the driving handle is arranged at one end of the vehicle body, which is far away from the lifting arm component, and traveling wheels are respectively arranged below the driving handle and the vehicle body.

3. The disassembly apparatus for large grinding wheels according to claim 1, wherein each locking hole is provided with a hook locking bolt.

4. The apparatus of claim 1, wherein said hook assembly further comprises a hook pull affixed to said third plate adjacent to a side of said carriage assembly.

5. The disassembly apparatus for large grinding wheels according to claim 1, wherein the angled hook is integrally formed of a metal material.

6. The disassembling device for the large grinding wheel according to claim 2, wherein the first plate is arranged along a horizontal direction, the second plate is arranged along a vertical direction, an included angle between a normal direction of the third plate and the vertical direction is 53 degrees, a pin hole is formed in one end of the first plate far away from the second plate, and a bolt is arranged in the pin hole.

7. The disassembly apparatus for large grinding wheels according to claim 6, wherein the boom assembly comprises: the lifting arm comprises a main arm hinged with the vertical arm and an extension arm connected with the main arm in a sliding manner, a lifting cylinder used for controlling the pitching angle of the lifting arm is arranged between the vertical arm and the main arm, and a lifting arm cylinder used for controlling the extension arm to stretch and retract is arranged between the main arm and the extension arm; the suspension arm assembly further comprises a winch unit and a steel wire rope, one end of the steel wire rope is connected with the winch unit, the other end of the steel wire rope is provided with a lifting ring, the winch unit is arranged on the crane assembly, the steel wire rope is arranged along the direction of the suspension arm, and an idler wheel is arranged below the steel wire rope; one end of the bolt is inserted into the pin hole and the lifting ring at the same time, and the other end of the bolt is inserted into the cotter pin to realize limiting.

8. The disassembling device for the large grinding wheel according to claim 7, further comprising an electric control assembly for collectively controlling the working states of the hoisting unit, the lifting cylinder and the boom cylinder.

9. The disassembling device for the large grinding wheel according to claim 8, wherein one end of the vehicle body near the driving handle is provided with a block-shaped protrusion, and the driving handle is connected with the protrusion.

10. The disassembling device for the large grinding wheel according to claim 9, wherein the electric control component is disposed on a side of the vehicle body close to the suspension arm component, the protrusion, the vehicle body and the electric control component together define a counterweight accommodating groove, a counterweight is disposed in the counterweight accommodating groove, and the winch unit is disposed on the electric control component.