Special tool for maintaining vacuum pump

Abstract

The utility model relates to the field of maintenance tools, and particularly discloses a special tool for maintaining a vacuum pump, which comprises a base, a bearing box, a speed reducer and an L-shaped support, at least one bearing and a rotating main shaft sleeved in the bearing are arranged in the bearing box; a stand column is fixedly arranged on the upper side of the tail end of the base, the lower end of the stand column is fixedly connected with the upper surface of the base, and the upper end of the stand column is fixedly connected with the lower side of a bearing box. The speed reducer is fixedly connected with the tail end of the bearing box, the rear end of the rotating spindle is fixedly connected with the output end of the speed reducer, and a handle is fixedly arranged at the input end of the speed reducer; the L-shaped support comprises a bottom plate and a fixing side plate which are perpendicular to each other, a fixing hole used for fixing a vacuum pump body is formed in the bottom plate, the tail end of the bottom plate is fixedly connected with the lower end of the fixing side plate, and the upper end of the fixing side plate is fixedly connected with the front end of the rotating spindle. According to the utility model, the time and energy consumed by workers to turn over and carry the vacuum pump are saved; and the assembly and maintenance efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the field of maintenance tools, in particular to a special tool for maintaining a vacuum pump. Background Art

[0002] With the rapid development of modern machinery industry, various types of vacuum pumps are increasingly used in various machinery and household appliances. As a result, the workload of assembly and maintenance of vacuum pumps has greatly increased, and the requirements for maintenance efficiency are also getting higher and higher.

[0003] When repairing a vacuum pump, due to the compact structure of the vacuum pump, during the disassembly and assembly process, maintenance personnel need to repeatedly perform various operations on the upper, lower, front, back and side of the vacuum pump. Due to limited conditions, at present, during maintenance, the vacuum pump is placed on a fixed workbench and then manually turned over and moved around for maintenance. This maintenance method results in high labor intensity and low efficiency for workers. A heavy vacuum pump will have safety hazards when turning over, and it is easy to lead to unstable maintenance quality and other disadvantages. Utility Model Content

[0004] In order to overcome the problem that the existing vacuum pump is time-consuming and labor-intensive to flip during maintenance, the utility model provides a special tool for maintaining the vacuum pump.

[0005] The technical solution adopted by the utility model is: a special tool for repairing a vacuum pump, comprising: a base, a bearing box, a reducer and an L-shaped support;

[0006] The bearing box is arranged horizontally, and at least one bearing and a sleeve are arranged in the bearing box. a rotating spindle disposed in the bearing;

[0007] A column is fixedly provided on the upper side of the tail end of the base, the lower end of the column is fixedly connected to the upper surface of the base, and the upper end of the column is fixedly connected to the lower side of the bearing box;

[0008] The reducer is fixedly connected to the tail end of the bearing box, the rear end of the rotating spindle is fixedly connected to the output end of the reducer, and a handle is fixedly provided at the input end of the reducer;

[0009] The L-shaped support includes a bottom plate and a fixed side plate which are perpendicular to each other. The bottom plate is provided with a fixing hole for fixing the vacuum pump body. The tail end of the bottom plate is fixedly connected to the lower end of the fixed side plate, and the upper end of the fixed side plate is fixedly connected to the front end of the rotating spindle.

[0010] Preferably, a reduction bracket is fixedly provided at the rear end of the bearing box, and the reducer is fixed to the reduction bracket by bolts.

[0011] Preferably, at least one bearing is provided at each of the two ends of the bearing box; bearing covers are provided at both ends of the bearing box, and the bearing covers are fixedly connected to the bearing box by bolts, and the two ends of the rotating main shaft respectively pass through the bearing covers on both sides.

[0012] Preferably, the reducer is a worm gear reducer with a reduction ratio of 50 to 60:1.

[0013] Preferably, a coupling is fixedly provided at the front end of the rotating main shaft, and the upper end of the fixed side plate is fixedly connected to the coupling.

[0014] Preferably, a back support is provided on the back side of the column along an inclined direction, the upper end of the back support is fixedly connected to the column, and the lower end of the back support is fixedly connected to the base.

[0015] Preferably, side braces are provided on the left and right sides of the column along the inclined direction, the upper ends of the two side braces are fixedly connected to the column, and the lower ends of the two side braces are fixedly connected to the base.

[0016] Preferably, at least four heavy-duty casters are provided below the base, and at least two of the four heavy-duty casters are universal wheels.

[0017] Preferably, the bottom plate is provided with at least one maintenance through hole penetrating the bottom plate.

[0018] Preferably, an electric motor is provided at the input end of the reducer, and the electric motor is used to drive the reducer to rotate the rotating main shaft during operation.

[0019] The beneficial effects of the utility model are:

[0020] (1) The reducer drives the L-shaped support to rotate through the horizontally arranged bearing box supported by the column, so that the vacuum pump can be fixed in mid-air and flipped freely, so that workers can maintain a comfortable working posture when assembling parts, saving the time and energy of workers flipping and carrying the vacuum pump; workers can complete the maintenance or assembly of the vacuum pump on the spot, avoiding the time wasted by frequent movement and taking parts, and improving the working environment of maintenance operations.

[0021] (2) The vacuum pump can be rotated 360 degrees by the L-shaped support that can rotate at any angle, ensuring that workers can repair any parts of the vacuum pump from the correct angle, avoiding the problem of easy damage to parts during assembly at the lower end and the difficulty of the assembly process to meet technical requirements, thereby improving the uniform load of parts during vacuum pump maintenance and improving the maintenance quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings, wherein:

[0023] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;

[0024] Figure 2 It is a side view of the second embodiment of the utility model;

[0025] Figure 3 This is a structural diagram of an L-shaped support according to Embodiment 2 of the present utility model;

[0026] Figure 4 This is a structural diagram of the L-shaped support from another perspective of the second embodiment of the utility model;

[0027] Figure 5 This is a structural diagram of an L-shaped support according to Embodiment 3 of the present utility model;

[0028] Figure 6 This is a structural diagram of the L-shaped support from another perspective of the third embodiment of the utility model;

[0029] In the figure: 1. base; 2. column; 201. side support; 202. back support; 3. bearing box; 4. rotating main shaft; 5. bearing cover; 6. reducer; 601. handle; 602. reducer bracket; 7. coupling; 8. L-shaped support; 801. maintenance hole; 802. fixing hole; 803. bottom plate; 804. fixed side plate; 805. reinforcement rib; 9. heavy-duty casters. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1 , is the first embodiment of the utility model, and this embodiment specifically discloses a special tool for repairing a vacuum pump, including a base 1, a bearing box 3, a reducer 6 and an L-shaped support 8;

[0032] The bearing box 3 is arranged in the horizontal direction, and a bearing is arranged in the bearing box 3, and a rotating main shaft 4 is sleeved in the bearing;

[0033] A column 2 is fixedly provided on the upper side of the rear end of the base 1, the lower end of the column 2 is fixedly connected to the upper surface of the base 1, and the upper end of the column 2 is fixedly connected to the lower side of the bearing box 3;

[0034] The reducer 6 is fixedly connected to the rear end of the bearing box 3, the rear end of the rotating main shaft 4 is fixedly connected to the output end of the reducer 6, and the input end of the reducer 6 is fixedly provided with a handle 601;

[0035] The L-shaped support 8 includes a bottom plate 803 and a fixed side plate 804 which are perpendicular to each other. For fastening with bolts The fixing hole 802 of the vacuum pump body is fixed, and the tail end of the bottom plate 803 is connected to the The lower end of the fixed side plate 804 is fixedly connected, and the upper end of the fixed side plate 804 is fixedly connected to the front end of the rotating main shaft 4.

[0036] Preferably, side braces 201 are provided on the left and right sides of the column 2 in the present embodiment along the inclined direction, the upper ends of the two side braces 201 are fixedly connected to the column 2 , and the lower ends of the two side braces 201 are fixedly connected to the base 1 , so as to enhance the stability of the column 2 .

[0037] Preferably, at least four heavy-duty casters 9 are provided under the base 1 of this embodiment, and at least two of the four heavy-duty casters 9 are universal wheels. The heavy-duty casters 9 may also be provided with brakes, which can be locked by stepping on them. The specifications of the heavy-duty casters 9 are three inches, and the total load capacity is ≥1.2 tons.

[0038] In this embodiment, the bearing box 3 is arranged laterally and supported by the column 2, so that the reducer 6 drives the L-shaped support 8 to rotate, so that the vacuum pump can be fixed in mid-air and rotate freely, so that workers can maintain a comfortable working posture when assembling parts, saving the time and energy of workers in turning over and carrying the vacuum pump; workers can complete the maintenance or assembly of the vacuum pump on the spot, avoiding the time waste of frequent movement and taking of parts, and improving the working environment of maintenance operations.

[0039] The vacuum pump is driven to rotate 360 ​​degrees by the L-shaped support 8 which can rotate at any angle, ensuring that workers can repair any parts of the vacuum pump from a correct angle, avoiding the problem that parts are easily damaged during assembly at the lower end and the assembly process is difficult to meet technical requirements, thereby improving the uniform load of parts during vacuum pump maintenance and improving the maintenance quality.

[0040] See also Figures 2 to 4 , is the second embodiment of the utility model. This embodiment is a more specific embodiment of the first embodiment. The reducer 6 of this embodiment is a worm gear reducer 6 with a reduction ratio of 50 to 60 to 1.

[0041] A reduction bracket 602 is fixedly provided at the rear end of the bearing box 3, and the reducer 6 is fixed to the reduction bracket 602 by bolts.

[0042] In this embodiment, a coupling 7 is fixedly provided at the front end of the rotating main shaft 4 , and the upper end of the fixed side plate 804 is fixedly connected to the coupling 7 .

[0043] At least one bearing is disposed at each end of the bearing box 3, and bearing covers 5 for fixing the bearings are disposed at both ends of the bearing box 3. The bearing covers 5 are fixedly connected to the bearing box 3 by bolts, and both ends of the rotating main shaft 4 pass through the bearing covers 5 on both sides respectively.

[0044] In this embodiment, a back brace 202 is provided on the back of the column 2 in an inclined direction, the upper end of the back brace 202 is fixedly connected to the column 2, and the lower end of the back brace 202 is fixedly connected to the base 1, so as to further enhance the stability of the column 2 and improve the load-bearing capacity.

[0045] The base 1, the column 2 and the side brace 201 (all of which are square steel pipes) of the steel structure, as well as the bearing box 3 and the column 2 are fixedly connected by welding. The verticality error between the column 2 and the upper plane of the base 1 is ≤0.5mm.

[0046] The worm gear reducer 6 includes a worm, a worm wheel and a seal. The handle 601 is fixedly connected to the worm, and the rotating spindle 4 is fixedly connected to the worm wheel via a flat key. The self-locking function of the worm gear can effectively prevent the L-shaped support 8 from spontaneously rotating due to the center deviation from the rotating shaft, and has a good braking effect.

[0047] Preferably, the rotating main shaft 4 of this embodiment is fixedly connected to the output end of the reducer 6 by the cooperation of the key pin and the keyway, and the rotating main shaft 4 is fixedly connected to the coupling 7 by the cooperation of the D surface and the top screw, and the verticality error between the end face of the coupling 7 and the plane on the base 1 is ≤0.1mm.

[0048] The fixing hole 802 of this embodiment is in the shape of an elongated strip, and is used to adapt to vacuum pumps of different sizes and models.

[0049] The bottom plate 803 is provided with two maintenance through holes 801 penetrating the bottom plate 803 for maintaining the side of the vacuum pump connected to the fixed plate.

[0050] A plurality of reinforcing ribs 805 are provided below the bottom plate 803 , and one end of the reinforcing rib 805 is fixedly connected to the fixed side plate 804 , thereby improving the structural strength of the L-shaped support 8 .

[0051] See also Figure 5 and Figure 6 , which is the third embodiment of the utility model. The difference between this embodiment and the second embodiment is that the bottom plate 803 of this embodiment is provided with eighteen fixing holes 802 at different positions according to the hole positions required by vacuum pumps of different models and sizes, and a larger maintenance through hole 801 is provided in the middle.

[0052] Two reinforcing ribs 805 are provided below the bottom plate 803 , and one end of the reinforcing rib 805 is fixedly connected to the fixed side plate 804 , thereby improving the structural strength of the L-shaped support 8 .

[0053] An electric motor is provided at the input end of the reducer 6, and the electric motor is used to drive the reducer 6 to drive the rotating main shaft 4 to rotate during operation, thereby realizing the electric rotation of the vacuum pump, further saving manpower.

[0054] The above specific embodiments further describe the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above are only specific embodiments of the utility model and are not intended to limit the protection scope of the utility model. It is particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A special tool for repairing a vacuum pump, used to fix the pump body of the vacuum pump, characterized in that: It includes a base, a bearing box, a reducer and an L-shaped support; The bearing box is arranged horizontally, and at least one bearing and a rotating main shaft sleeved in the bearing are arranged in the bearing box; A column is fixedly provided on the upper side of the tail end of the base, the lower end of the column is fixedly connected to the upper surface of the base, and the upper end of the column is fixedly connected to the lower side of the bearing box; The reducer is fixedly connected to the tail end of the bearing box, the rear end of the rotating spindle is fixedly connected to the output end of the reducer, and a handle is fixedly provided at the input end of the reducer; The L-shaped support includes a bottom plate and a fixed side plate which are perpendicular to each other. The bottom plate is provided with a fixing hole for fixing the vacuum pump body. The tail end of the bottom plate is fixedly connected to the lower end of the fixed side plate, and the upper end of the fixed side plate is fixedly connected to the front end of the rotating spindle.

2. A special tool for repairing a vacuum pump according to claim 1, characterized in that: A reduction bracket is fixedly provided at the tail end of the bearing box, and the reducer is fixed to the reduction bracket by bolts.

3. A special tool for repairing a vacuum pump according to claim 1, characterized in that: At least one bearing is disposed at each of the two ends of the bearing box; bearing covers are disposed at both ends of the bearing box, and the bearing covers are fixedly connected to the bearing box by bolts, and the two ends of the rotating main shaft respectively penetrate the bearing covers on both sides.

4. A special tool for repairing a vacuum pump according to claim 1, characterized in that: The reducer is a worm gear reducer with a reduction ratio of 50 to 60:

1.

5. A special tool for repairing a vacuum pump according to claim 1, characterized in that: A coupling is fixedly provided at the front end of the rotating main shaft, and the upper end of the fixed side plate is fixedly connected to the coupling.

6. A special tool for repairing a vacuum pump according to claim 1, characterized in that: A back support is provided on the back side of the column along an inclined direction, the upper end of the back support is fixedly connected to the column, and the lower end of the back support is fixedly connected to the base.

7. A special tool for repairing a vacuum pump according to claim 1, characterized in that: Side braces are arranged on the left and right sides of the column along the inclined direction, the upper ends of the two side braces are fixedly connected to the column, and the lower ends of the two side braces are fixedly connected to the base.

8. A special tool for repairing a vacuum pump according to claim 1, characterized in that: At least four heavy-duty casters are arranged below the base, and at least two of the four heavy-duty casters are universal wheels.

9. A special tool for repairing a vacuum pump according to claim 1, characterized in that: The bottom plate is provided with at least one maintenance through hole penetrating the bottom plate.

10. A special tool for repairing a vacuum pump according to claim 1, characterized in that: The input end of the reducer is provided with a motor, and the motor is used to drive the reducer to drive the rotating main shaft to rotate during operation.

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