CN215590807U

CN215590807U - Vacuum pump maintenance transfer vehicle

Info

Publication number: CN215590807U
Application number: CN202122383814.6U
Authority: CN
Inventors: 陈翔
Original assignee: Yangzhou Hejing Technology Co ltd
Current assignee: Yangzhou Hejing Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-21
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a vacuum pump maintenance transfer cart which comprises an underframe, a support frame and a lifting frame, wherein the underframe is surrounded by two parallel rods and a connecting rod for connecting the two parallel rods to form a frame with an opening; the supporting frame comprises a main supporting rod and an auxiliary supporting rod which are positioned on the parallel rods, the lifting frame is hinged to the upper end of the supporting frame and is lifted through a first telescopic device, and a lifting hook is arranged at the end, far away from the supporting frame, of the lifting frame. When the maintenance transfer vehicle is lifted, the vacuum pump is arranged in the frame of the underframe, so that the whole structure is only slightly larger than the vacuum pump, is far smaller than the volume of a traditional forklift or a lifting machine, is suitable for a workshop with a small space, and is simple in structure and convenient to use.

Description

Vacuum pump maintenance transfer vehicle

Technical Field

The utility model relates to a conveying device, in particular to a vacuum pump maintenance transfer vehicle.

Background

In the routine maintenance and repair of the vacuum pump, the pump body of the quick-wear part of the vacuum pump needs to be lifted and disassembled to replace and repair the quick-wear part. Therefore, the vacuum pump is transported to an equipment maintenance room to safely lift and replace the pump body wearing parts.

Due to the fact that the height space of the first-floor single crystal workshop and the distance between the site and the maintenance workshop are far, a forklift cannot be used in the process of conveying the heavy vacuum pump, and therefore the first-floor single crystal workshop is very inconvenient and wastes manpower and working time.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the vacuum pump is inconvenient to maintain and transfer, the utility model provides the vacuum pump maintaining and transferring vehicle which can lift the vacuum pump in a smaller space and transfer the vacuum pump to a maintenance workshop, so that the labor is greatly saved, and the working efficiency is improved.

In order to achieve the aim, the utility model provides a vacuum pump maintenance transfer cart which comprises a bottom frame, a supporting frame and a lifting frame, wherein the bottom frame is surrounded by two parallel rods arranged in parallel and a connecting rod for connecting the two parallel rods to form a frame with an opening, and the distance between the two parallel rods is greater than the width of a vacuum pump and less than the length of the vacuum pump; the bottom of the parallel rod is provided with a roller;

the supporting frame comprises a main supporting rod and an auxiliary supporting rod which are positioned on the parallel rods, the main supporting rod is obliquely arranged, one end of the auxiliary supporting rod supports the middle part of the main supporting rod, and a triangle is formed by the auxiliary supporting rod, the main supporting rod and the parallel rods;

the lifting frame is hinged to the upper end of the support frame and is lifted through the first telescopic device, and a lifting hook is arranged at the end, far away from the support frame, of the lifting frame.

Preferably, the main support rod is provided with an armrest.

Preferably, the two main support rods are connected through a cross rod, one end of the first telescopic device is hinged to the cross rod, and the other end of the first telescopic device is hinged to the lifting frame.

Further preferably, the cross bar is connected with the middle part of the connecting bar through a longitudinal bar.

Preferably, the parallel rods and the connecting rods are connected through reinforcing rods, and the parallel rods, the connecting rods and the reinforcing rods enclose a triangle.

Preferably, a balancing weight is arranged on the parallel rod and between the main supporting rod and the auxiliary supporting rod.

Preferably, the lifting frame is provided with a step-shaped through hole, a driven gear horizontally arranged is arranged in the through hole, a motor is arranged outside the through hole, and the motor is connected with the driven gear through a driving gear;

the lifting hook is hinged to the bottom surface of the driven gear through a hanging rod, and the lifting hook is driven to rotate through the motor.

Further preferably, a plurality of annularly arranged balls are arranged on the step surface of the through hole, an annular path is arranged on the bottom surface of the driven gear, and the balls are matched in the annular path.

Through the technical scheme, the utility model has the following beneficial effects:

1. when the lifting machine is used for lifting, the vacuum pump is arranged in the frame of the underframe, the whole structure is only slightly larger than the vacuum pump, and the volume of the lifting machine is far smaller than that of a traditional forklift or a lifting machine, so that the lifting machine is suitable for a workshop with small space, and is simple in structure and convenient to use.

2. The distance between two parallel bars of chassis designs for being greater than the width of vacuum pump, being less than the length of vacuum pump, and the lifting hook hangs the vacuum pump to the height that is higher than the parallel bar, then rotary vacuum pump, and it is perpendicular with the parallel bar to its long limit, because of its length is greater than the distance between two parallel bars, can arrange in the parallel bar completely after putting down on, avoided transmitting the in-process vacuum pump and rocked, promote the security of transmitting the process.

3. In a preferred technical scheme of the utility model, the lifting hook is driven to rotate by the motor, so that the vacuum pump is driven to rotate until the long edge of the vacuum pump is perpendicular or nearly perpendicular to the parallel rod, and then the vacuum pump is lowered and placed in parallel, so that the operation of manually rotating the vacuum pump is omitted, and the operation safety is improved.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a schematic view of the connection of the lifting frame to the hook in one embodiment of the present invention;

fig. 5 is a schematic structural view of a driven gear in one embodiment of the present invention.

Description of the reference numerals

1 underframe, 11 parallel rods, 12 connecting rods and 13 reinforcing rods

2 support frames, 21 main support rods, 22 auxiliary support rods, 23 cross rods and 24 longitudinal rods

3 lifting frame, 31 lifting hook, 32 lifting rod, 33 through hole, 331 driven gear, 3311 annular path, 332 ball, 34 motor, 341 driving gear

4 contact roller

5 arm rest

6 oil cylinder

7 counterweight block

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that, in the following description, for the sake of clarity, the terms of orientation, such as "upper", "lower", "front", "rear", etc., used in the following description are intended to have the same meaning as the orientation of the components normally referred to in normal use of the maintenance vehicle, and are used for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-3, the vacuum pump maintenance transfer cart of the present invention comprises a chassis 1, a support frame 2 and a lifting frame 3, wherein the chassis 1 is surrounded by two parallel rods 11 arranged in parallel and a connecting rod 12 connecting the two parallel rods 11 to form a frame with an opening, and the width of the opening is larger than that of a vacuum pump, so that the frame can surround the vacuum pump; the bottom of the parallel rods 11 is provided with rollers 4, as a preferred embodiment of the utility model, the bottom of each parallel rod 11 is provided with 2 rollers 4, and the roller 4 positioned in front is a universal wheel;

the supporting frame 2 comprises a main supporting rod 21 and an auxiliary supporting rod 22 which are positioned on the parallel rods 11, the main supporting rod 21 is arranged obliquely, one end of the auxiliary supporting rod 22 supports the middle part of the main supporting rod 21 and forms a triangle with the main supporting rod 21 and the parallel rods 11, so that a stable supporting structure is formed to provide enough support for a lifted vacuum pump;

the lifting frame 3 is hinged to the upper end of the support frame 2 and is lifted through a first telescopic device, and a lifting hook 31 is arranged at the end, far away from the support frame 2, of the lifting frame 3. The first telescopic device preferably uses a cylinder 6.

In use, the vacuum pump is preferably located on the base frame 1 to ensure stability of the transfer process.

Based on this, we can use the difference of the length and width of the vacuum pump (such as 2H-70 slide valve vacuum pump, whose length and width is 883 × 526mm), and design the distance between the two parallel rods 11 of the chassis 1 to be larger than the width and smaller than the length of the vacuum pump. In this case, the hook 31 is connected to the lifting frame 3 by a chain or a wire rope, or is hinged to the lifting frame 3 by a boom 32.

When the lifting machine works, the opening of the bottom frame 1 is aligned to one side of the wide edge of the vacuum pump and pushed, so that the two parallel rods 11 are respectively positioned on one side of the long edge of the vacuum pump, the lifting hook 31 lifts the vacuum pump to a height higher than the parallel rods 11, then the vacuum pump is rotated until the long edge of the vacuum pump is perpendicular to the parallel rods 11, and the vacuum pump can be completely placed on the parallel rods 11 after being put down due to the fact that the length of the vacuum pump is greater than the distance between the two parallel rods 11, the vacuum pump is prevented from shaking in the transferring process, and safety is improved.

When the vacuum pump lifting device is used, the opening of the transfer vehicle chassis 1 is aligned with the vacuum pump and pushed to enable the vacuum pump to be located in a frame surrounded by the parallel rods 11 and the connecting rods 12, at the moment, the lifting hook 31 is located right above the vacuum pump, the lifting hook 31 is hooked on the vacuum pump, the first telescopic device is generated to lift the vacuum pump, and then the transfer vehicle is pushed to pump the vacuum pump to a maintenance workshop.

When the utility model is lifted, because the vacuum pump is arranged in the frame of the underframe 1, the whole structure only needs to be slightly larger than the vacuum pump, and the volume of the vacuum pump is far smaller than that of the traditional forklift or lifting machine, the utility model is suitable for a workshop with small space, and the structure is simple and the use is convenient.

In order to facilitate the pushing of the transfer cart, the main support rod 21 is provided with a handrail 5.

The two main support rods 21 are connected through a cross rod 23, one end of the first telescopic device is hinged to the cross rod 23, and the other end of the first telescopic device is hinged to the lifting frame 3.

Among the above-mentioned technical scheme, connect through horizontal pole 23 between two main tributary vaulting poles 21, promoted the fastness of structure on the one hand, on the other hand, the first telescoping device of easy to assemble.

Further, the cross bar 23 is connected with the middle of the connecting bar 12 through a longitudinal bar 24.

Among the above-mentioned technical scheme, install first telescoping device in the middle part of horizontal pole 23, support it through vertical pole 24, further promote bearing capacity.

On the other hand, in order to improve the stability of the underframe 1, the parallel bars 11 and the connecting bars 12 are connected by reinforcing bars 13, and the parallel bars 11, the connecting bars 12 and the reinforcing bars 13 enclose a triangle.

And a balancing weight 7 is arranged on the parallel rod 11 and between the main support rod 21 and the auxiliary support rod 22 so as to further improve the stability of the transfer vehicle during hoisting.

On the basis of the above technical solution, as shown in fig. 4, a stepped through hole 33 is provided on the lifting frame 3, a horizontally disposed driven gear 331 is provided in the through hole 33, a motor 34 is provided outside the through hole 33, and the motor 34 is connected with the driven gear 331 through a driving gear 341; the hook 31 is hinged to the bottom surface of the driven gear 331 through a hanger bar 32, so that the hook 31 is driven to rotate by the motor 34. In this technical scheme, motor 34 rotates, drives driving gear 341 and rotates, and driving gear 341 drives driven gear 331 and rotates, and then drives the lifting hook 31 that articulates on driven gear 331 bottom surface and rotates. After the vacuum pump is lifted by the hook 31, the motor 34 is started to drive the vacuum pump to rotate until the long edge of the vacuum pump is perpendicular or nearly perpendicular to the parallel rod 11, the motor 34 is turned off, and then the vacuum pump is lowered and placed on the parallel rod 11. In the technical scheme, the operation of manually rotating the vacuum pump is omitted, and the operation safety is improved.

Further, in order to facilitate the rotation of the driven gear 331, as shown in fig. 4 to 5, a plurality of balls 332 are annularly disposed on a stepped surface of the through hole 33, and an annular path 3311 is disposed on a bottom surface of the driven gear 331, and the balls 332 are fitted in the annular path 3311.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A vacuum pump maintenance transfer cart is characterized by comprising an underframe (1), a support frame (2) and a lifting frame (3), wherein the underframe (1) is surrounded by two parallel rods (11) arranged in parallel and a connecting rod (12) for connecting the two parallel rods (11) to form a frame with an opening, and the distance between the two parallel rods (11) is greater than the width of a vacuum pump and less than the length of the vacuum pump; the bottom of the parallel rod (11) is provided with a roller (4);

the supporting frame (2) comprises a main supporting rod (21) and an auxiliary supporting rod (22) which are positioned on the parallel rods (11), the main supporting rod (21) is obliquely arranged, one end of the auxiliary supporting rod (22) supports the middle part of the main supporting rod (21), and the main supporting rod (21) and the parallel rods (11) form a triangle;

the lifting frame (3) is hinged to the upper end of the support frame (2) and is lifted through a first telescopic device, and a lifting hook (31) is arranged at the end, far away from the support frame (2), of the lifting frame (3).

2. A vacuum pump service cart according to claim 1, wherein a handrail (5) is provided on the main support bar (21).

3. Vacuum pump maintenance transfer cart according to claim 1, characterized in that two main support bars (21) are connected by a cross bar (23), and the first telescopic device is hinged on the cross bar (23) at one end and on the lifting frame (3) at the other end.

4. Vacuum pump maintenance transfer cart according to claim 3, characterized in that the cross bar (23) is connected with the middle of the connecting bar (12) by a longitudinal bar (24).

5. Vacuum pump maintenance transfer cart according to claim 1, characterized in that the parallel bars (11) and the connecting bars (12) are connected by reinforcement bars (13), the parallel bars (11), the connecting bars (12) and the reinforcement bars (13) enclosing a triangle.

6. A vacuum pump service cart according to claim 1, wherein a counterweight (7) is provided on said parallel bars (11) between said main support bar (21) and said auxiliary support bar (22).

7. The vacuum pump maintenance transfer cart according to any one of claims 1 to 6, wherein a stepped through hole (33) is formed in the lifting frame (3), a horizontally arranged driven gear (331) is arranged in the through hole (33), a motor (34) is arranged outside the through hole (33), and the motor (34) is connected with the driven gear (331) through a driving gear (341);

the lifting hook (31) is hinged to the bottom surface of the driven gear (331) through a hanging rod (32), so that the lifting hook (31) is driven to rotate through the motor (34).

8. A vacuum pump maintenance transfer cart according to claim 7, wherein a plurality of annularly arranged balls (332) are provided on a step surface of said through hole (33), a bottom surface of said driven gear (331) is provided with an annular path (3311), and said balls (332) are fitted in said annular path (3311).