Pump maintenance equipment

Abstract

The utility model discloses a pump maintenance device, comprising a base, a fixed tray and a movable tray are placed on the base, the fixed tray is fixedly connected to the base, and the movable tray located at the rear side of the fixed tray is slidably connected to the base; a moving mechanism for driving the movable tray to move forward and backward is also installed on the base; a supporting mechanism is also installed on the base, and the supporting mechanism includes a vertical rotating cylinder; the maintenance device also includes a suspension rod and a lifting device; the suspension rod is an inverted L-shaped, the lower end of the vertical rod is inserted into the rotating cylinder, and the lifting device is installed on the horizontal rod at the upper end of the suspension rod. The utility model can improve maintenance efficiency, reduce labor intensity, and avoid damage to parts.

Description

Technical Field

[0001] The utility model relates to a maintenance device, in particular to a device used for maintaining a pump. Background Art

[0002] At present, pump maintenance is mainly carried out on ordinary platforms. Due to the heavy weight of the pump, the disassembly operation usually requires the cooperation of several operators, which is inefficient, and the removed parts are easy to fall, injuring the operator or damaging it.

[0003] In order to solve the problem of inconvenient operation during maintenance, the solution in the prior art is to use a small crane to assist the operator in disassembly. However, the crane is large in size and can only lift one part, and the other parts still need to be disassembled and placed by the operator. In addition, when separating the pump cover and the pump body, in order to avoid damaging the impeller, the two need to be separated slowly in the horizontal direction, but there is obvious shaking when using a crane to operate, which cannot meet the operation requirements. Utility Model Content

[0004] The utility model provides a pump maintenance device, the purpose of which is to solve the problems of inconvenient operation and easy damage to parts when maintaining the pump.

[0005] The technical solution of this utility model is as follows:

[0006] A pump maintenance device comprises a base, a fixed tray and a movable tray are placed on the base, the fixed tray is fixedly connected to the base, and the movable tray located at the rear side of the fixed tray is slidably connected to the base; a moving mechanism for driving the movable tray to move forward and backward is also installed on the base;

[0007] A supporting mechanism is also installed on the base, and the supporting mechanism includes a vertical rotating cylinder;

[0008] The maintenance device also includes a suspension rod and a lifting device; the suspension rod is an inverted L-shape, the lower end of the vertical rod of the suspension rod is inserted into the rotating cylinder, and the lifting device is installed on the horizontal rod at the upper end of the suspension rod.

[0009] As a further improvement of the pump maintenance device: two sets of left and right guide rails are installed on the base; the movable tray is connected to the guide rails through a slider at the bottom;

[0010] The moving mechanism comprises a lead screw which is installed on the base in a rotating connection manner and arranged to run forward and backward, and a nut block which is installed at the bottom of the movable tray and matches the lead screw.

[0011] As a further improvement of the maintenance device of the pump: the supporting mechanism comprises a fixed cylinder fixed on the base, and the rotating cylinder is installed in the fixed cylinder through a bearing.

[0012] As a further improvement of the maintenance device of the pump: a shaft shoulder is provided on the outer circumferential surface of the rotating cylinder; the bearing comprises an end bearing whose lower end contacts the support ring in the fixed cylinder and whose upper end contacts the lower end surface of the shaft shoulder, and a deep groove ball bearing whose lower end surface of the inner ring contacts the upper end surface of the shaft shoulder and whose outer ring matches the inner hole of the fixed cylinder;

[0013] The support mechanism also includes a pressure cover installed on the top of the fixing cylinder, and the bottom of the pressure cover contacts the upper end surface of the outer ring of the deep groove ball bearing.

[0014] As a further improvement of the maintenance device of the pump: a fixed threaded hole is also provided on the base, and a through hole corresponding to the fixed threaded hole is provided on the movable tray; the maintenance device also includes a locking screw that passes through the through hole and is connected to the fixed threaded hole.

[0015] As a further improvement of the maintenance device of the pump: a jack is installed in the left area of ​​the movable tray.

[0016] As a further improvement of the pump maintenance device: the base includes a front channel steel, a middle channel steel and a rear channel steel which are arranged in sequence from front to back and are all arranged in the left-right direction, and also includes two groups of side channel steels arranged in the front-to-back direction;

[0017] The two ends of the front channel steel, the middle channel steel and the rear channel steel are respectively fixedly connected with the front end, the middle part and the rear end of the side channel steel on the corresponding side.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model is equipped with a fixed pallet, a movable pallet and a lifting device. The pump body can be placed on the fixed pallet, and the pump cover, bearing box and motor can be placed together on the movable pallet. The pump cover and bearing box are supported by a jack before being separated from the motor, and can be hung on the lifting device for rotation after being removed, which is convenient for the operator to disassemble and install the pump and improves the maintenance efficiency.

[0020] 2. The screw guide mechanism can realize the slow and precise movement of the mobile tray, avoiding damage to the impeller and other components when separating the pump body and the pump cover, and reducing labor intensity.

[0021] 3. The boom and lifting device can be rotated to other positions or quickly removed as needed to avoid blocking the operator's line of sight. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure when the utility model is used;

[0023] Figure 2 for Figure 1 AA view of the pump, boom, lifting device, etc. are omitted in the figure;

[0024] Figure 3 for Figure 1 BB view, which only shows the structure of the support mechanism and the lower end of the boom;

[0025] Figure 4 It is a top view of the base, support mechanism, fixed tray and movable tray.

[0026] Reference numerals:

[0027] 1. Base, 2. Support mechanism, 3. Screw, 4. Guide rail, 5. Slider, 6. Nut block, 7. Movable pallet, 8. Fixed pallet, 9. Hanging rod, 10. Lifting device, 11. Lifting ring, 12. Jack, 13. Base rail, 14. Locking screw, 15. Support plate, 1-1. Front channel steel, 1-2. Side channel steel, 1-3. Middle channel steel, 1-4. Rear channel steel, 2-1. Fixed cylinder, 2-2. Rotating cylinder, 2-3. Pressure cover. DETAILED DESCRIPTION

[0028] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.

[0029] like Figure 1 and 4 A pump maintenance device includes a base 1 of a frame structure. The base 1 includes a front channel steel 1-1, a middle channel steel 1-3 and a rear channel steel 1-4 which are arranged in sequence from front to back and are arranged in the left-right direction, and also includes two groups of side channel steels 1-2 arranged in the front-to-back direction. The two ends of the front channel steel 1-1, the middle channel steel 1-3 and the rear channel steel 1-4 are respectively welded to the front end, the middle part and the rear end of the side channel steel 1-2 on the corresponding side.

[0030] A fixed tray 8 and a movable tray 7 are placed on the base 1 .

[0031] The fixed tray 8 is fixedly connected to the front ends of the front channel steel 1-1 and the two side channel steels 1-2 of the base 1. The fixed tray 8 is provided with threaded holes for connecting with pump bodies of pumps of different specifications.

[0032] The movable tray 7 is located at the rear of the fixed tray 8. A jack 12 is installed on the left area of ​​the movable tray 7. Two symmetrically inclined support plates 15 are provided on the top of the jack 12. The support plates 15 are used to support the pump cover and the bearing box. A plurality of threaded holes for connecting to the motor base 1 of pumps of different specifications are provided on the right area of ​​the movable tray 7.

[0033] The movable tray 7 is slidably connected to the base 1. Figure 2A base rail 13 is welded to the inner side of the two side channel steels 1 - 2 , a guide rail 4 is installed on the top of the base rail 13 by bolts, a slider 5 is provided on the guide rail 4 , and the bottom of the movable tray 7 is connected to the slider 5 .

[0034] Furthermore, the side channel steel 1-2 is provided with a plurality of sets of fixing threaded holes, and the edge of the movable tray 7 is provided with through holes corresponding to the fixing threaded holes. The maintenance device further includes a locking screw 14 connected to the fixing threaded hole after passing through the through hole, for fixing the movable tray 7 at different positions.

[0035] like Figure 1 and 2 The base 1 is also provided with a moving mechanism for driving the movable tray 7 to move forward and backward. In this embodiment, the moving mechanism includes a lead screw 3 which is installed on the base 1 by a rotation connection and arranged to move forward and backward, and a nut block 6 which is installed at the bottom of the movable tray 7 and matches the lead screw 3. As an optional embodiment, the moving mechanism may also be an electric push rod, a cylinder or the like.

[0036] A supporting mechanism 2 is also installed on the base 1. Figure 3 and 4 The support mechanism 2 includes a fixed cylinder 2-1 welded on the side channel steel 1-2 (inside or middle) and close to the rear end of the fixed tray 8, and a vertical rotating cylinder 2-2 is installed in the fixed cylinder 2-1 through a bearing. Furthermore, a shoulder is provided on the outer circumferential surface of the rotating cylinder 2-2. The bearing includes an end bearing whose lower end contacts the support ring in the fixed cylinder 2-1 and whose upper end contacts the lower end face of the shoulder, and a deep groove ball bearing whose lower end face of the inner ring contacts the upper end face of the shoulder and whose outer ring matches the inner hole of the fixed cylinder 2-1. The support mechanism 2 also includes a pressure cover 2-3 installed on the top of the fixed cylinder 2-1 by bolts, and the bottom of the pressure cover 2-3 contacts the upper end face of the outer ring of the deep groove ball bearing. A through hole is provided in the middle of the pressure cover 2-3.

[0037] like Figure 1 The maintenance device further comprises a suspension rod 9 and a lifting device 10. The suspension rod 9 is in an inverted L shape, and the lower end of the vertical rod thereof is inserted into the rotating cylinder 2-2 and can rotate freely. A plurality of lifting rings 11 are arranged on the horizontal rod at the upper end of the suspension rod 9, and the lifting device 10 is hung on the lifting rings 11. A reinforcing rod is arranged between the vertical rod and the horizontal rod.

[0038] When repairing the pump, first adjust the position of the movable tray 7 by rotating the lead screw 3, and install the locking screw 14 to lock the movable tray 7. Then place the pump on the device through the lifting device 10, connect the pump body at the front end to the fixed tray 8 through bolts, and connect the motor base 1 at the rear end to the movable tray 7 through bolts, and adjust the height of the jack 12 to support the pump cover part located in the middle. Then remove the bolts connecting the pump body and the pump cover, remove the locking screw 14, and then rotate the lead screw 3 to drive the movable tray 7 to move the pump cover, bearing box and motor part backward to separate the pump body and the pump cover. If it is necessary to further remove the pump cover and bearing box part to repair the rotation angle, first hang the pump cover part on the hook of the lifting device 10, then remove the coupling between the pump cover and the motor, and then lift the pump cover and the bearing box through the lifting device 10 and rotate them. If the lifting device 10 is not needed during the maintenance process, the suspension rod 9 can be directly pulled out.

[0039] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. The scope of the present invention is defined by the claims rather than the above description.

Claims

1. A pump maintenance device, characterized in that: The invention comprises a base (1), a fixed tray (8) and a movable tray (7) being placed on the base (1), the fixed tray (8) being fixedly connected to the base (1), and the movable tray (7) being located at the rear side of the fixed tray (8) being slidably connected to the base (1); and a moving mechanism for driving the movable tray (7) to move forward and backward is also installed on the base (1); A support mechanism (2) is also mounted on the base (1), and the support mechanism (2) comprises a vertical rotating cylinder (2-2); The maintenance device also includes a suspension rod (9) and a lifting device (10); the suspension rod (9) is in an inverted L shape, the lower end of its vertical rod is inserted into the rotating cylinder (2-2), and the lifting device (10) is installed on the horizontal rod at the upper end of the suspension rod (9).

2. The pump maintenance device according to claim 1, characterized in that: Two sets of left and right guide rails (4) are installed on the base (1); the movable tray (7) is connected to the guide rails (4) via a slider (5) at the bottom; The moving mechanism comprises a lead screw (3) which is mounted on a base in a rotationally connected manner and arranged to run forward and backward, and a nut block (6) which is mounted on the bottom of a movable tray (7) and matches the lead screw (3).

3. The pump maintenance device according to claim 1, characterized in that: The support mechanism (2) comprises a fixed cylinder (2-1) fixed on the base (1), and the rotating cylinder (2-2) is installed in the fixed cylinder (2-1) via a bearing.

4. The pump maintenance device according to claim 3, characterized in that: A shaft shoulder is provided on the outer circumferential surface of the rotating cylinder (2-2); the bearing comprises an end bearing whose lower end contacts the support ring in the fixed cylinder (2-1) and whose upper end contacts the lower end surface of the shaft shoulder, and a deep groove ball bearing whose lower end surface of the inner ring contacts the upper end surface of the shaft shoulder and whose outer ring matches the inner hole of the fixed cylinder (2-1); The support mechanism (2) further comprises a pressure cover (2-3) mounted on the top of the fixing cylinder (2-1), wherein the bottom of the pressure cover (2-3) contacts the upper end surface of the outer ring of the deep groove ball bearing.

5. The pump maintenance device according to claim 1, characterized in that: The base (1) is also provided with a fixing threaded hole, and the movable tray (7) is provided with a through hole corresponding to the fixing threaded hole; the maintenance device also includes a locking screw (14) that passes through the through hole and is connected to the fixing threaded hole.

6. The pump maintenance device according to claim 1, characterized in that: A jack (12) is installed in the left area of ​​the movable tray (7).

7. The pump maintenance device according to any one of claims 1 to 6, characterized in that: The base (1) comprises a front channel steel (1-1), a middle channel steel (1-3) and a rear channel steel (1-4) which are arranged in sequence from front to back and are all arranged in the left-right direction, and also comprises two groups of left and right side channel steels (1-2) which are arranged in the front-back direction; The two ends of the front channel steel (1-1), the middle channel steel (1-3) and the rear channel steel (1-4) are respectively fixedly connected to the front end, the middle part and the rear end of the side channel steel (1-2) on the corresponding side.

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