Magnetic bearing seat of centrifugal compressor

Abstract

The utility model relates to the technical field of centrifugal compressor bearing seats, in particular to a centrifugal compressor magnetic bearing seat which comprises a mounting plate, a lower fixing block, an upper fixing block, a placement groove, a first screw, a second screw and a positioning block, the placement groove is formed in the surface of the lower fixing block, and the first screw is rotationally connected with the upper fixing block and located in the upper fixing block; the second screw rod is rotationally connected with the upper fixing block and located in the upper fixing block, the positioning block is in threaded connection with the first screw rod and wraps the first screw rod, a bearing is firstly placed in the containing groove, the upper fixing block is fixed to the lower fixing block through the upper connecting plate and the lower connecting plate, the first gear is rotated through the rocker, and the first gear drives the second gear to rotate through the intermediate gear; the first screw and the second screw rotate in the same direction at the same time, the positioning block is driven to press downwards, the bearing is fixed, and the problem that normal work is affected due to the phenomena such as vibration in the working process of the bearing due to the fact that the bearing seat is unstable when the bearing is fixed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal compressor bearing seats, in particular to a centrifugal compressor magnetic bearing seat. Background Art

[0002] At present, centrifugal compressors are widely used in various process flows to transport air, various process gases or mixed gases and increase their pressure. The magnetic bearing seat is one of the indispensable components of the centrifugal compressor. However, the existing bearing seat does not have the function of heat dissipation because it is difficult to dissipate heat inside during use due to high-speed rotation, which reduces the overall service life.

[0003] To solve the above problems, the prior art patent (CN217002731U) discloses a centrifugal compressor magnetic bearing seat, which is provided with a water inlet, a drain outlet and a three-way groove, and a through-connection setting among the water inlet, the drain outlet and the three-way groove, so that water or coolant can flow inside the limit column, thereby cooling the bearing installed inside the limit column, thereby making the overall operation more stable, extending the service life, and improving the overall heat dissipation effect.

[0004] However, in the above-mentioned prior art, the bearing seat is relatively unstable when fixing the bearing, which causes vibration and the like during the operation of the bearing, affecting the normal operation. Utility Model Content

[0005] The utility model aims to provide a centrifugal compressor magnetic bearing seat, which solves the technical problem that the bearing seat in the prior art is relatively unstable when fixing the bearing, resulting in vibration and other phenomena during the operation of the bearing, affecting normal operation.

[0006] To achieve the above-mentioned purpose, the utility model adopts a centrifugal compressor magnetic bearing seat, including a mounting plate, a lower fixed block, an upper fixed block and a fixing assembly, the fixing assembly including a placement groove, a screw rod 1, a screw rod 2, a positioning block and an auxiliary component, the lower fixed block is fixedly connected to the fixing block and the mounting plate, and is located above the mounting plate, the upper fixed block is detachably connected to the lower fixed block, and is located above the lower fixed block, the placement groove is arranged on the surface of the lower fixed block, the screw rod 1 is rotatably connected to the upper fixed block, and is located inside the upper fixed block, the screw rod 2 is rotatably connected to the upper fixed block, and is located inside the upper fixed block, the positioning block is threadedly connected to the screw rod 1, and wraps the screw rod 1, and the positioning block is threadedly connected to the screw rod 2.

[0007] Among them, the fixing component also includes gear 1, an intermediate gear and gear 2, the gear 1 is fixedly connected to the screw rod 1 and is located above the screw rod 1, the intermediate gear is rotationally connected to the gear 2 and meshes with the gear 1, the gear 2 is fixedly connected to the screw rod 2 and is located above the screw rod 2, and the gear 2 meshes with the intermediate gear.

[0008] Wherein, the auxiliary component includes a stabilizing plate, a rotating rod, a connecting rod and a rocker arm, the stabilizing plate is fixedly connected to the upper fixed block and is located above the upper fixed block, the rotating rod is rotatably connected to the stabilizing plate and is located above the stabilizing plate, and the rotating rod is detachably connected to the intermediate gear, the connecting rod is fixedly connected to gear one and is located above gear one, and the rocker arm is fixedly connected to the connecting rod and is located above the connecting rod.

[0009] Among them, the auxiliary component also includes an upper connecting plate, a lower connecting plate, a fixing nail and a fixing nut. The upper connecting plate is fixedly connected to the upper fixing block and is located on one side of the upper fixing block. The lower connecting plate is fixedly connected to the lower fixing block and is located on one side of the lower fixing block. The fixing nail is detachably connected to the upper connecting plate and passes through the upper connecting plate and the lower connecting plate. The fixing nut is threadedly connected to the fixing nail and is located below the lower connecting plate.

[0010] Among them, the centrifugal compressor magnetic bearing seat also includes a protective shell, handle 1 and handle 2, the protective shell is fixedly connected to the upper fixed block and wraps the gear 1, the gear 2 and the intermediate gear, the handle 1 is fixedly connected to the protective shell and is located above the protective shell, and the handle 2 is fixedly connected to the protective shell and is located above the protective shell.

[0011] The utility model provides a centrifugal compressor magnetic bearing seat, the lower fixing block is fixedly connected to the fixing block and the mounting plate and is located above the mounting plate, the upper fixing block is detachably connected to the lower fixing block and is located above the lower fixing block, the placement groove is arranged on the surface of the lower fixing block, the screw rod 1 is rotatably connected to the upper fixing block and is located inside the upper fixing block, the screw rod 2 is rotatably connected to the upper fixing block and is located inside the upper fixing block, the positioning block is threadedly connected to the screw rod 1 and wraps the screw rod 1, and the positioning block is connected to the screw rod 1. The screw rod 2 is threadedly connected, and the bearing is first placed in the placement groove, and the upper fixed block is fixed to the lower fixed block through the upper connecting plate and the lower connecting plate. The gear 1 is rotated by rotating the rocker, and the gear 1 drives the gear 2 to rotate through the intermediate gear, so that the screw rod 1 and the screw rod 2 rotate at the same time and in the same direction, driving the positioning block to press down, and fixing the bearing in the placement groove. This method can effectively solve the problem that the bearing seat is relatively unstable when fixing the bearing, resulting in vibration and other phenomena during the operation of the bearing, affecting normal work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a front view of the first embodiment of the utility model.

[0015] Figure 3 It is a side view of the first embodiment of the utility model.

[0016] Figure 4 The utility model Figure 3 AA line structural cross-section view.

[0017] Figure 5 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-mounting plate, 102-lower fixing block, 103-upper fixing block, 104-placing slot, 105-screw rod one, 106-screw rod two, 107-positioning block, 108-gear one, 109-middle gear, 110-gear two, 111-stabilizing plate, 112-rotating rod, 113-connecting rod, 114-rocker, 115-upper connecting plate, 116-lower connecting plate, 117-fixing nail, 118-fixing nut, 201-protective shell, 202-handle one, 203-handle two. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 4 ,in Figure 1 It is a schematic structural diagram of the first embodiment of the utility model. Figure 2 2 is a front view of the first embodiment of the utility model. Figure 3 is a side view of the first embodiment of the utility model, Figure 4 The utility model Figure 3 AA line structural cross-section view.

[0022] The utility model provides a centrifugal compressor magnetic bearing seat, including a mounting plate 101, a lower fixing block 102, an upper fixing block 103, a placement groove 104, a screw rod 105, a screw rod 106, a positioning block 107, a gear rod 108, an intermediate gear 109, a gear rod 110, a stabilizing plate 111, a rotating rod 112, a connecting rod 113, a rocker 114, an upper connecting plate 115, a lower connecting plate 116, a fixing nail 117 and a fixing nut 118. The above-mentioned scheme solves the problem in the prior art that the bearing seat is relatively unstable when fixing the bearing, resulting in vibration and the like during the operation of the bearing, which affects the normal operation.

[0023] According to the present specific embodiment, the lower fixing block 102 is fixedly connected to the fixing block and the mounting plate 101 and is located above the mounting plate 101. The upper fixing block 103 is detachably connected to the lower fixing block 102 and is located above the lower fixing block 102. The placement groove 104 is provided on the surface of the lower fixing block 102. The screw rod 105 is rotatably connected to the upper fixing block 103 and is located inside the upper fixing block 103. The screw rod 106 is rotatably connected to the upper fixing block 103 and is located inside the upper fixing block 103. The fixed block 103 is rotatably connected and is located inside the upper fixed block 103. The positioning block 107 is threadedly connected to the screw rod 105 and wraps the screw rod 105. The positioning block 107 is threadedly connected to the screw rod 106. The bearing is placed in the placement groove 104. At the same time, the screw rod 105 and the screw rod 106 are rotated to drive the positioning block 107 to press down, which can well fix the bearing between the upper fixed block 103 and the lower fixed block 102.

[0024] Among them, the gear one 108 is fixedly connected to the screw one 105 and is located above the screw one 105, the intermediate gear 109 is rotationally connected to the gear two 110 and meshes with the gear one 108, the gear two 110 is fixedly connected to the screw two 106 and is located above the screw two 106, and the gear two 110 meshes with the intermediate gear 109, when the gear one 108 rotates, the gear two 110 can be driven to rotate through the intermediate gear 109, and the rotation speed and rotation direction of the gear one 108 and the gear two 110 are the same.

[0025] Secondly, the stabilizing plate 111 is fixedly connected to the upper fixed block 103 and is located above the upper fixed block 103. The rotating rod 112 is rotatably connected to the stabilizing plate 111 and is located above the stabilizing plate 111. The rotating rod 112 is detachably connected to the intermediate gear 109. The connecting rod 113 is fixedly connected to the gear 108 and is located above the gear 108. The rocker arm 114 is fixedly connected to the connecting rod 113 and is located above the connecting rod 113. Holding the rocker arm 114 and rotating the rocker arm 114 can drive the connecting rod 113 to rotate. The connecting rod 113 can drive the gear 108 to rotate. The stabilizing plate 111 and the rotating rod 112 fix the position of the intermediate gear 109.

[0026] At the same time, the stabilizing plate 111 is fixedly connected to the upper fixed block 103 and is located above the upper fixed block 103, the rotating rod 112 is rotatably connected to the stabilizing plate 111 and is located above the stabilizing plate 111, and the rotating rod 112 is detachably connected to the intermediate gear 109, the connecting rod 113 is fixedly connected to the gear 108 and is located above the gear 108, the rocker arm 114 is fixedly connected to the connecting rod 113 and is located above the connecting rod 113, after the fixing nail 117 passes through the upper connecting plate 115 and the lower connecting plate 116, the fixing thread is fixed to the bottom of the lower connecting plate 116 through the cooperation between the fixing thread and the fixing nail 117, thereby fixing the upper connecting plate 115 and the lower connecting plate 116, thereby achieving the purpose of fixing the upper fixed block 103 and the lower fixed block 102.

[0027] A centrifugal compressor magnetic bearing seat using the present embodiment is provided with a mounting plate 101, a lower fixing block 102, an upper fixing block 103, a placement groove 104, a screw rod 105, a screw rod 106, a positioning block 107, a gear 108, an intermediate gear 109, a gear 2 110, a stabilizing plate 111, a rotating rod 112, a connecting rod 113, a rocker 114, an upper connecting plate 115, a lower connecting plate 116, a fixing nail 117 and a fixing nut 118, wherein the lower fixing block 102 is fixedly connected to the fixing block and the mounting plate 101, The upper fixing block 103 is detachably connected to the lower fixing block 102 and is located above the lower fixing block 102. The placement groove 104 is provided on the surface of the lower fixing block 102. The screw rod 105 is rotatably connected to the upper fixing block 103 and is located inside the upper fixing block 103. The screw rod 206 is rotatably connected to the upper fixing block 103 and is located inside the upper fixing block 103. The positioning block 107 is threadedly connected to the screw rod 105 and wraps the The screw rod 105 is provided, and the positioning block 107 is threadedly connected with the screw rod 2 106. The bearing is first placed in the placement groove 104, and the upper fixing block 103 is covered on the lower fixing block 102. The fixing thread is fixed below the lower connecting plate 116 through the cooperation between the fixing thread and the fixing nail 117, so that the upper connecting plate 115 and the lower connecting plate 116 are fixed. The rocker 114 is held to rotate the connecting rod 113 to drive the gear 108 to rotate, and the gear 108 The intermediate gear 109 drives the gear 2 110 to rotate, and the gear 1 108 and the gear 2 110 have the same rotation speed and direction, and the gear 1 108 and the gear 2 110 drive the screw 105 and the screw 2 106 to rotate, and press the positioning block 107 downward, so as to fix the bearing between the upper fixed block 103 and the lower fixed block 102, thereby solving the problem that the bearing seat is relatively unstable when fixing the bearing, resulting in vibration and other phenomena during the operation of the bearing, affecting the normal operation.

[0028] The second embodiment of the present application is:

[0029] Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a structural schematic diagram of the second embodiment of the utility model.

[0030] The utility model provides a centrifugal compressor magnetic bearing seat, which also includes a protective shell 201, a handle 1 202 and a handle 203. The above solution solves the problem in the prior art that the upper fixing block 103 is not convenient to pick up and place on the lower fixing block 102.

[0031] Among them, the protective shell 201 is fixedly connected to the upper fixed block 103, and wraps the gear 1 108, the gear 2 110 and the intermediate gear 109, the handle 1 202 is fixedly connected to the protective shell 201, and is located above the protective shell 201, the handle 2 203 is fixedly connected to the protective shell 201, and is located above the protective shell 201, and the protective shell 201 connects the handle 1 202 and the handle 2 203 with the upper fixed block 103, and the upper fixed block 103 can be conveniently placed on the lower fixed block 102 by holding the handle 1 202 and the handle 2 203, which facilitates subsequent fixation.

[0032] A centrifugal compressor magnetic bearing seat using the present embodiment is provided with a protective shell 201, handle one 202 and handle two 203. The protective shell 201 connects the handle one 202 and the handle two 203 with the upper fixed block 103. The upper fixed block 103 can be conveniently placed on the lower fixed block 102 by holding the handle one 202 and the handle two 203, thereby facilitating subsequent fixation. At the same time, the protective shell 201 also protects the gear one 108, the gear two 110 and the intermediate gear 109, thereby solving the problem that the upper fixed block 103 is inconvenient to pick up and place on the lower fixed block 102.

[0033] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A centrifugal compressor magnetic bearing seat, comprising a mounting plate, a lower fixed block and an upper fixed block, wherein the lower fixed block is fixedly connected to the mounting plate and is located above the mounting plate, and the upper fixed block is detachably connected to the lower fixed block and is located above the lower fixed block, characterized in that: It also includes a fixing component, which includes a placement groove, a first screw, a second screw, a positioning block and an auxiliary component. The placement groove is arranged on the surface of the lower fixing block, the first screw is rotatably connected to the upper fixing block and is located inside the upper fixing block, the second screw is rotatably connected to the upper fixing block and is located inside the upper fixing block, the positioning block is threadedly connected to the first screw and wraps the first screw, and the positioning block is threadedly connected to the second screw.

2. The centrifugal compressor magnetic bearing seat according to claim 1, characterized in that: The fixing assembly also includes gear 1, an intermediate gear and gear 2. The gear 1 is fixedly connected to the screw rod 1 and is located above the screw rod 1. The intermediate gear is rotationally connected to the gear 2 and meshes with the gear 1. The gear 2 is fixedly connected to the screw rod 2 and is located above the screw rod 2, and the gear 2 meshes with the intermediate gear.

3. The centrifugal compressor magnetic bearing seat according to claim 2, characterized in that: The auxiliary component includes a stabilizing plate, a rotating rod, a connecting rod and a rocker arm. The stabilizing plate is fixedly connected to the upper fixed block and is located above the upper fixed block. The rotating rod is rotatably connected to the stabilizing plate and is located above the stabilizing plate. The rotating rod is detachably connected to the intermediate gear. The connecting rod is fixedly connected to gear one and is located above gear one. The rocker arm is fixedly connected to the connecting rod and is located above the connecting rod.

4. The centrifugal compressor magnetic bearing seat according to claim 1, characterized in that: The auxiliary component also includes an upper connecting plate, a lower connecting plate, a fixing nail and a fixing nut. The upper connecting plate is fixedly connected to the upper fixing block and is located on one side of the upper fixing block. The lower connecting plate is fixedly connected to the lower fixing block and is located on one side of the lower fixing block. The fixing nail is detachably connected to the upper connecting plate and passes through the upper connecting plate and the lower connecting plate. The fixing nut is threadedly connected to the fixing nail and is located below the lower connecting plate.

5. The centrifugal compressor magnetic bearing seat according to claim 2, characterized in that: The centrifugal compressor magnetic bearing seat also includes a protective shell, handle 1 and handle 2. The protective shell is fixedly connected to the upper fixed block and wraps the gear 1, the gear 2 and the intermediate gear. The handle 1 is fixedly connected to the protective shell and is located above the protective shell. The handle 2 is fixedly connected to the protective shell and is located above the protective shell.

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