An efficient and energy-saving vertical split-case pump

Abstract

The present invention discloses an efficient and energy-saving vertical split-case pump, comprising: a pump casing, a motor is arranged above the pump casing, an installation base is fixed to the lower side of the pump casing, the installation base is connected to a connecting piece, and the connecting piece is used for fixedly installing the installation base and the installation surface of the vertical split-case pump. The present invention works by using the rotation of the impeller to make the water undergo centrifugal motion. Before the water pump starts, the pump casing and the inlet must be filled with water, and then the motor is started. The motor drives the impeller to rotate at a high speed through the shaft to generate a strong centrifugal force. Under the action of the centrifugal force, the impeller is driven by the shaft to rotate, and work is done on the fluid located between the blades. The fluid is thrown from the center of the impeller to the periphery under the centrifugal action. The vertical split-case pump of the present invention adopts a vertical installation and fixing method, changing the traditional horizontal installation structure, so that the floor area of the split-case pump is much smaller than that of the horizontal split-case pump, solving the problem that most of the existing split-case pumps adopt a horizontal structure and have a large floor area.

Description

Field of the Invention

[0001] The present invention relates to the technical field of split-case pumps, and more particularly to an energy-efficient vertical split-case pump. Background Art

[0002] With the increasing development of society, split-case pumps are widely used in water supply, drainage, agricultural engineering, liquid transportation, etc. The pump is one of the important devices for mainly transporting liquid media. As a power device in the process of transporting clear water, its importance is self-evident. Once problems occur in the pump equipment in some key links, the whole situation will be affected.

[0003] Most of the existing split-case pumps adopt a horizontal structure, which occupies a large area. Summary of the Invention

[0004] The present invention provides an energy-efficient vertical split-case pump to solve the problem in the prior art that most of the existing split-case pumps adopt a horizontal structure and occupy a large area.

[0005] An energy-efficient vertical split-case pump includes: a pump casing, an electric motor is arranged above the pump casing, an installation base is fixed to the lower side of the pump casing, the installation base is connected with a connecting member, and the connecting member is used for fixedly installing the installation base and the installation surface of the vertical split-case pump.

[0006] Preferably, a plurality of fixing holes are arranged on the installation base, and the connecting member passes through the fixing holes and is connected with the installation base through nuts.

[0007] Preferably, an impeller is arranged inside the pump casing, the impeller is connected with the electric motor, an inlet and an outlet are arranged on the pump casing, and the inlet and the outlet are located on both sides of the impeller.

[0008] Preferably, the upper side of the pump casing is fixed to a motor bracket, the electric motor is fixed on the motor bracket, the output end of the electric motor is fixed to a shaft, and the shaft penetrates through the pump casing and is connected with the impeller.

[0009] Preferably, a bearing body is arranged on the outer periphery of the shaft, and the bearing body is located between the shaft and the pump casing, and the shaft is connected with the pump casing through the bearing body.

[0010] Preferably, a shaft seal device is further arranged between the shaft and the pump casing, and the shaft seal device is used for sealing the shaft and the pump casing.

[0011] Preferably, the impeller includes: a fixing member, a connecting hole, and blades;

[0012] The connecting hole is arranged at the central position of the fixing member, the shaft is inserted into the connecting hole, and the shaft is connected with the connecting hole;

[0013] The blades are fixed to the outer periphery of the fixing member.

[0014] Preferably, a flow stopping device is provided at the outlet, and the flow stopping device is used to prevent the liquid in the pump from flowing back.

[0015] Preferably, the flow stopping device includes a first outer wall and a second outer wall;

[0016] The first outer wall and the second outer wall are fixed, and a cavity is provided between the first outer wall and the second outer wall;

[0017] A tympanic membrane is provided in the middle of the second outer wall. The outer side of the tympanic membrane is connected to the first end of a fourth connecting rod, and the fourth connecting rod is located in the cavity between the first outer wall and the second outer wall;

[0018] The second end of the fourth connecting rod is a hollow structure. A limiting block is provided at the second end of the fourth connecting rod. One end of the limiting block is connected to one end of a second spring, and the other end of the second spring is fixed to the first outer wall;

[0019] The second spring is sleeved on the limiting rod. One end of the limiting rod is fixed to the first outer wall, and the other end of the limiting rod is inserted into the hollow structure at the second end of the fourth connecting rod;

[0020] The middle position of the fourth connecting rod is rotatably connected to one end of a first connecting rod. The middle position of the first connecting rod is rotatably connected to one end of a first support rod, and the other end of the first support rod is fixed to the inner side of the first outer wall;

[0021] The other end of the first connecting rod is connected to a second connecting rod. The middle position of the second connecting rod is rotatably connected to one end of a second support rod, and the other end of the second support rod is fixed to the outer side of the second outer wall;

[0022] The other end of the second connecting rod is connected to a third connecting rod. The third connecting rod penetrates through the second outer wall. A first spring is sleeved on the third connecting rod. One end of the first spring is fixed to the inner side of the second outer wall, and the other end of the first spring is fixed to a first sealing member;

[0023] One end of the first sealing member is fixed to the inner side of the second outer wall, and the first sealing member is made of an elastic material;

[0024] Preferably, the inner side of the tympanic membrane is connected to one end of a fifth connecting rod. The other end of the fifth connecting rod is connected to one end of a sixth connecting rod. The middle position of the fifth connecting rod is rotatably connected to one end of a third support rod, and the other end of the third support rod is fixed to the inner side of the second outer wall;

[0025] The middle position of the sixth link is rotatably connected to one end of the fourth strut, the other end of the fourth strut is fixed to the inner side of the second outer wall, the other end of the sixth link is connected to one end of the seventh link, the other end of the seventh link is connected to one end of the eighth link, the other end of the eighth link is fixed to one end of the moving shaft, the other end of the moving shaft is fixed to the second seal, and the second seal contacts the first seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Side view schematic diagram of the main structure of the present invention;

[0027] Figure 2 Three-dimensional structure schematic diagram of the impeller of the present invention;

[0028] Figure 3 Top view schematic diagram of the mounting base of the present invention;

[0029] Figure 4 Structure schematic diagram of the flow stopping device of the present invention;

[0030] Figure 5 For the present invention Figure 4 Enlarged structure schematic diagram at A in

[0031] In the figure: 1, motor; 2, motor frame; 3, bearing body; 4, shaft seal device; 5, impeller; 501, fixing member; 502, connecting hole; 503, blade; 6, pump casing; 7, mounting base; 701, fixing hole; 8, shaft; 9, connecting member; 10, inlet; 11, outlet; 12, flow stopping device; 1201, first outer wall; 1202, second outer wall; 1203, first link; 1204, first strut; 1205, second strut; 1206, second link; 1207, third link; 1208, first spring; 1209, first seal; 1210, limiting rod; 1211, second spring; 1212, limiting block; 1213, tympanic membrane; 1214, fourth link; 1215, fifth link; 1216, third strut; 1217, fourth strut; 1218, sixth link; 1219, seventh link; 1220, eighth link; 1221, moving shaft; 1222, second seal. DETAILED DESCRIPTION OF THE INVENTION

[0032] In the present invention, descriptions such as "first", "second", etc. are only for descriptive purposes, and do not particularly refer to the order or sequence. Nor are they used to limit the present invention. They are merely used to distinguish protection components or operations described with the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first", "second" may explicitly or implicitly include at least one such feature. Additionally, the technical solutions and technical features between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] Embodiment 1

[0034] Please refer to Figures 1-3 , an embodiment provided by the present invention: a highly efficient energy-saving vertical split-case pump, comprising: a pump casing 6, a motor 1 is arranged above the pump casing 6, an installation base 7 is fixed to the lower side of the pump casing 6, the installation base 7 is connected to a connecting member 9, and the connecting member 9 is used to fixedly install the installation base 7 to the installation surface (such as the ground) of the vertical split-case pump.

[0035] Preferably, a plurality of fixing holes 701 are arranged on the installation base 7, and the connecting member 9 passes through the fixing holes 701 and is connected to the installation base 7 through nuts.

[0036] Preferably, an impeller 5 is arranged inside the pump casing 6, the impeller 5 is connected to the motor 1, an inlet 10 and an outlet 11 are arranged on the pump casing 6, and the inlet 10 and the outlet 11 are located on both sides of the impeller 5.

[0037] Preferably, the upper side of the pump casing 6 is fixed to a motor bracket 2, the motor 1 is fixed on the motor bracket 2, the output end of the motor 1 is fixed to a shaft 8, and the shaft 8 penetrates through the pump casing 6 and is connected to the impeller 5.

[0038] Preferably, a bearing body 3 is arranged on the outer periphery of the shaft 8, and the bearing body 3 is located between the shaft 8 and the pump casing 6, and the shaft 8 is connected to the pump casing 6 through the bearing body 3.

[0039] Preferably, a shaft sealing device 4 is further arranged between the shaft 8 and the pump casing 6, and the shaft sealing device 4 is used to seal the shaft 8 and the pump casing 6 (the shaft sealing device 4 can refer to existing shaft seals. Specifically, for example, the shaft sealing device 4 can refer to the existing patent CN205745305U - mechanical seal; or the shaft sealing device can: achieve leakage prevention through a shaft sealing device that relies on a pair of end faces perpendicular to the shaft that slide relative to each other and maintain close contact under the action of fluid pressure and the elastic force of a compensation mechanism and is equipped with auxiliary seals).

[0040] Preferably, the impeller 5 includes: a fixing member 501, a connection hole 502, and blades 503;

[0041] The connection hole 502 is provided at the central position of the fixing member 501, the shaft 8 is inserted into the connection hole 502, and the shaft 8 is connected to the connection hole 502;

[0042] The blades 503 are fixed to the outer periphery of the fixing member 501.

[0043] This application can be applied to aspects such as water treatment plants, power plants, waterworks, and agriculture.

[0044] The working principle and beneficial effects of the above technical solution are as follows: The vertical split-case pump has a vertical installation structure and works by using the rotation of the impeller 5 to make the water undergo centrifugal motion. Before the pump starts, the pump casing 6 and the inlet 10 must be filled with water. Then, the motor 1 is started. The motor 1 drives the impeller 5 to rotate at a high speed through the shaft 8, generating a strong centrifugal force. Under the action of the centrifugal force, the impeller 5 is driven by the shaft 8 to rotate and do work on the fluid located between the blades 503. The fluid is subjected to the centrifugal action and is thrown from the center of the impeller 5 to the periphery. When the fluid reaches the outer periphery of the impeller 5, the flow rate is very high, and it flows into the outlet 11 of the pump through the flow channel of the volute pump casing 6.

[0045] The motor 1 provides power for the entire unit. The motor frame 2 plays a connecting role between the working components and the motor 1, and also plays a role in expanding the area of the water inlet. The bearing housing 3 can play a good supporting role in the normal operation of the shaft 8 during the rotation process and can keep the shaft 8 in a normal working position, improving the accuracy in the rotation aspect during the operation process. The impeller 5 generates a strong centrifugal force through high-speed rotation. Under the action of the centrifugal force, the water undergoes centrifugal motion and is thrown towards the outer edge of the impeller 5. The pump casing 6 is the main body of the pump, which changes the output direction and reduces efficiency loss (achieving high efficiency and energy conservation). The pump casing 6 plays a role in supporting and fixing, and is connected to the bearing housing 3. The mounting base 7 provides an overall supporting role, facilitating installation. The shaft 8 connects the impeller 5 and the motor 1, and transmits the torque of the motor 1 to the impeller 5.

[0046] The vertical split-case pump of the present invention adopts a vertical structure, ensuring that the pump has a compact design, simple installation, and small maintenance workload.

[0047] The vertical split-case pump of the present invention adopts a vertical installation and fixing method, changing the traditional horizontal installation structure, so that the floor area of the split-case pump is much smaller than that of the horizontal split-case pump, solving the problem that most of the existing split-case pumps adopt a horizontal structure and have a large floor area.

[0048] Embodiment 2

[0049] Refer to Figures 4-5, on the basis of the above-mentioned Embodiment 1, a flow-stopping device 12 is provided at the outlet 11, and the flow-stopping device 12 is used to prevent the liquid in the pump from flowing back.

[0050] Preferably, the flow-stopping device 12 includes a first outer wall 1201 and a second outer wall 1202;

[0051] The first outer wall 1201 and the second outer wall 1202 are fixed, and a cavity is provided between the first outer wall 1201 and the second outer wall 1202;

[0052] A tympanic membrane 1213 is provided in the middle of the second outer wall 1202. The outside of the tympanic membrane 1213 is connected to the first end of a fourth connecting rod 1214, and the fourth connecting rod 1214 is located in the cavity between the first outer wall 1201 and the second outer wall 1202;

[0053] The second end of the fourth connecting rod 1214 is a hollow structure. A limiting block 1212 is provided at the second end of the fourth connecting rod 1214. One end of the limiting block 1212 is connected to one end of a second spring 1211, and the other end of the second spring 1211 is fixed to the first outer wall 1201;

[0054] The second spring 1211 is sleeved on the limiting rod 1210. One end of the limiting rod 1210 is fixed to the first outer wall 1201, and the other end of the limiting rod 1210 is inserted into the hollow structure at the second end of the fourth connecting rod 1214;

[0055] The middle position of the fourth connecting rod 1214 is rotatably connected to one end of a first connecting rod 1203. The middle position of the first connecting rod 1203 is rotatably connected to one end of a first support rod 1204, and the other end of the first support rod 1204 is fixed to the inner side of the first outer wall 1201;

[0056] The other end of the first connecting rod 1203 is connected to a second connecting rod 1206. The middle position of the second connecting rod 1206 is rotatably connected to one end of a second support rod 1205, and the other end of the second support rod 1205 is fixed to the outside of the second outer wall 1202;

[0057] The other end of the second connecting rod 1206 is connected to a third connecting rod 1207. The third connecting rod 1207 penetrates through the second outer wall 1202. A first spring 1208 is sleeved on the third connecting rod 1207. One end of the first spring 1208 is fixed to the inner side of the second outer wall 1202, and the other end of the first spring 1208 is fixed to a first sealing member 1209;

[0058] One end of the first sealing member 1209 is fixed to the inner side of the second outer wall 1202, and the first sealing member 1209 is made of an elastic material;

[0059] Preferably, one end of the inner side of the tympanic membrane 1213 is connected to one end of the fifth link 1215, the other end of the fifth link 1215 is connected to one end of the sixth link 1218, the middle position of the fifth link 1215 is rotatably connected to one end of the third strut 1216, and the other end of the third strut 1216 is fixed to the inner side of the second outer wall 1202;

[0060] The middle position of the sixth link 1218 is rotatably connected to one end of the fourth strut 1217, the other end of the fourth strut 1217 is fixed to the inner side of the second outer wall 1202, the other end of the sixth link 1218 is connected to one end of the seventh link 1219, the other end of the seventh link 1219 is connected to one end of the eighth link 1220, the other end of the eighth link 1220 is fixed to one end of the moving shaft 1221, and the other end of the moving shaft 1221 is fixed to the second seal 1222, and the second seal 1222 contacts the first seal 1209.

[0061] The working principle and beneficial effects of the above technical solution are as follows: The liquid pumped out from the outlet 11 enters the flow stop device 12. Due to the pressure in the flow stop device 12, the tympanic membrane 1213 is squeezed, driving the fourth link 1214 to compress the second spring 1211, and driving the first link 1203 to rotate around the first strut 1204. Furthermore, the first seal 1209 is driven to open by the second link 1206 against the elastic force of the first spring 1208;

[0062] During the outward expansion of the tympanic membrane 1213, the fifth link 1215 is also driven to rotate around the third strut 1216, further driving the sixth link 1218 to rotate around the fourth strut 1217, and driving the eighth link 1220 to move towards the outlet 11 through the seventh link 1219, so that the second seal 1222 moves away from the first seal 1209;

[0063] When the liquid pumped out from the outlet 11 stops, under the action of the first spring 1208 and the second spring 1211, the first seal 1209 closes, and the second seal 1222 approaches the first seal 1209 to complete the function of stopping the flow of external liquid;

[0064] Pumping water into the second outer wall 1202, the first seal 1209 is opened by the water pressure, and the second seal 1222 moves away from the first seal 1209, effectively preventing the backflow of the liquid, ensuring that the fluid can only flow in the same direction as the working flow direction of the pump and cannot flow backward. When the pressure in the system suddenly increases, the pump can be prevented from being damaged, playing a check valve role;

[0065] By setting the flow-stop device 12 to prevent the liquid discharged by the split-case pump from flowing back instantaneously when the split-case pump stops, and prevent the flow from the outlet to the inlet, it effectively avoids the backflow pollution of the discharged liquid to the liquid source. Moreover, in most cases, the pump works to discharge the liquid from a lower place to a higher place. Setting the flow-stop device 12 avoids the high water from flowing back along the pipeline when the pump stops working.

[0066] Embodiment 3

[0067] Based on any one of the above Embodiments 1-2, it further includes an impeller 5 condition detection device, and the impeller 5 condition detection device includes:

[0068] A temperature sensor, arranged on the impeller 5, for detecting the temperature of the working environment of the impeller 5;

[0069] A PH sensor, arranged on the impeller 5, for detecting the PH value of the working environment of the impeller 5;

[0070] A rotational speed sensor, arranged on the impeller 5, for detecting the rotational speed of the impeller 5;

[0071] A flow velocity sensor, arranged at the outlet 11, for detecting the flow velocity of the liquid at the outlet 11;

[0072] A timer, and the timer is used to record the usage time of the impeller 5;

[0073] An alarm, and the alarm is located on the pump casing 6;

[0074] A controller, the controller is electrically connected to the temperature sensor, PH sensor, rotational speed sensor, flow velocity sensor, timer and alarm respectively, and the controller controls the alarm to work based on the temperature sensor, PH sensor, rotational speed sensor, flow velocity sensor, timer, including:

[0075] Step 1: The controller obtains the impeller 5 wear state index based on the rotational speed sensor, flow velocity sensor, timer and formula (1):

[0076]

[0077] where A is the impeller 5 wear state index, n is the rotational speed of the impeller 5 detected by the rotational speed sensor, t is the usage time of the impeller 5 recorded by the timer, and t0 is the unit time. is the Poisson's ratio of the material of the impeller 5, θ is the angle between the normal line of the blade 503 and the line connecting the inlet 12 and the outlet 11, r is the rotation radius of the impeller 5, v is the flow velocity of the liquid at the outlet 11 detected by the flow velocity sensor, exp is the exponential function with base e, e is the natural constant with a value of 2.72; sin is the sine; cos is the cosine;

[0078] Step 2: The controller calculates the impeller 5 state index based on the temperature sensor, the PH sensor and formula (2):

[0079]

[0080] where B is the impeller 5 state index, T1 is the temperature of the working environment of the impeller 5 detected by the temperature sensor, T0 is the thermodynamic temperature corresponding to zero degree Celsius, H is the PH value of the working environment of the impeller 5 detected by the PH sensor, and ln is the natural logarithm with base e;

[0081] When the impeller 5 state index is less than the corresponding preset reference value (different impellers 5 can have different usage time ranges and different reference values), the controller controls the alarm to give an alarm.

[0082] In the formula, is the basic impeller 5 wear state index obtained based on the rotational speed, flow velocity, and time (the impeller wear state is affected by the rotational speed, flow velocity, and usage time), represents the correction of the basic impeller 5 wear state index based on time, represents the impeller 5 state index (evaluating whether to give an alarm based on the wear state index, as well as the influence of temperature and PH on the material of the impeller. The larger the wear state index, the smaller the impeller 5 state index, and the easier it is to give an alarm).

[0083] Suppose the rotational speed n of the impeller 5 detected by the rotational speed sensor is 2000 r / min, the usage time t of the impeller 5 recorded by the timer is 3000 min, the unit time t0 = 1 min, and the Poisson's ratio of the material of the impeller 5 The angle θ between the normal line of the blade 503 and the line connecting the inlet 12 and the outlet 11 is 60°, the rotation radius r of the impeller 5 is 20 cm, and the flow velocity v of the liquid at the outlet 11 detected by the flow velocity sensor is 1 m / s. Then, through the above, the impeller 5 wear state index A = 3.471 can be calculated;

[0084] The temperature T1 of the working environment of the impeller 5 detected by the temperature sensor is 2128.15 K, and the thermodynamic temperature T0 corresponding to zero degree Celsius is 273.15. The pH value H of the working environment of the impeller 5 detected by the pH sensor is 6. The impeller 5 state index B is calculated to be 4.782 (rounded to three decimal places) through formula (2). Since the calculated impeller 5 state index B = 4.782 is less than the preset reference value of 5, the controller controls the alarm to give an alarm prompt at this time.

[0085] The beneficial effects of the above technical solution are as follows: A rotational speed sensor is set to detect the rotational speed of the impeller 5, a flow rate sensor is set to detect the flow rate of the liquid at the outlet 11, and a timer is set to record the usage time of the impeller 5. The wear state index of the impeller 5 is calculated through the rotational speed of the impeller 5 detected by the rotational speed sensor, the flow rate of the liquid at the outlet 11 detected by the flow rate sensor, the usage time of the impeller 5 recorded by the timer, and formula (1). At the same time, a temperature sensor is set to detect the temperature of the working environment of the impeller 5, and a pH sensor is set to detect the pH value of the working environment of the impeller 5. Then, according to the calculation result of formula (1), the temperature of the working environment of the impeller 5 detected by the temperature sensor, the pH value of the working environment of the impeller 5 detected by the pH sensor, and formula (2), the impeller 5 state index can be calculated. When the impeller 5 state index is less than the preset reference value, the controller controls the alarm to give an alarm to notify the user to repair the equipment to ensure the usage state of the pump. By setting the controller to control the alarm to give an alarm and timely notify the relevant staff to repair, the intelligence of the device is increased.

[0086] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. An energy-efficient vertical split-case pump, characterized in that: It includes: A pump casing (6), with a motor (1) arranged above the pump casing (6), an installation base (7) fixed to the lower side of the pump casing (6), and the installation base (7) is connected to a connecting piece (9), and the connecting piece (9) is used to fixedly install the installation base (7) on the installation surface of the vertical split-case pump; An impeller (5) is arranged inside the pump casing (6), the impeller (5) is connected to the motor (1), an inlet (10) and an outlet (11) are arranged on the pump casing (6), and the inlet (10) and the outlet (11) are located on both sides of the impeller (5); A flow-stop device (12) is arranged at the outlet (11), and the flow-stop device (12) is used to prevent the liquid in the pump from flowing back; The flow-stop device (12) includes a first outer wall (1201) and a second outer wall (1202); The first outer wall (1201) and the second outer wall (1202) are fixed, and a cavity is arranged between the first outer wall (1201) and the second outer wall (1202); A tympanic membrane (1213) is arranged in the middle of the second outer wall (1202), the outer side of the tympanic membrane (1213) is connected to the first end of a fourth connecting rod (1214), and the fourth connecting rod (1214) is located in the cavity between the first outer wall (1201) and the second outer wall (1202); The second end of the fourth connecting rod (1214) is of a hollow structure, a limiting block (1212) is arranged at the second end of the fourth connecting rod (1214), one end of the limiting block (1212) is connected to one end of a second spring (1211), and the other end of the second spring (1211) is fixed to the first outer wall (1201); The second spring (1211) is sleeved on a limiting rod (1210), and one end of the limiting rod (1210) is fixed to the first outer wall (1201), and the other end of the limiting rod (1210) is inserted into the hollow structure at the second end of the fourth connecting rod (1214); The middle position of the fourth connecting rod (1214) is rotatably connected to one end of a first connecting rod (1203), the middle position of the first connecting rod (1203) is rotatably connected to one end of a first support rod (1204), and the other end of the first support rod (1204) is fixed to the inner side of the first outer wall (1201); The other end of the first connecting rod (1203) is connected to a second connecting rod (1206), the middle position of the second connecting rod (1206) is rotatably connected to one end of a second support rod (1205), and the other end of the second support rod (1205) is fixed to the outer side of the second outer wall (1202); The other end of the second connecting rod (1206) is connected to a third connecting rod (1207), the third connecting rod (1207) penetrates through the second outer wall (1202), a first spring (1208) is sleeved on the third connecting rod (1207), one end of the first spring (1208) is fixed to the inner side of the second outer wall (1202), and the other end of the first spring (1208) is fixed to a first sealing member (1209); One end of the first seal (1209) is fixed to the inner side of the second outer wall (1202), and the first seal (1209) is made of an elastic material; The inner side of the tympanic membrane (1213) is connected to one end of the fifth link (1215), the other end of the fifth link (1215) is connected to one end of the sixth link (1218), the middle position of the fifth link (1215) is rotatably connected to one end of the third strut (1216), and the other end of the third strut (1216) is fixed to the inner side of the second outer wall (1202); The middle position of the sixth link (1218) is rotatably connected to one end of the fourth strut (1217), the other end of the fourth strut (1217) is fixed to the inner side of the second outer wall (1202), the other end of the sixth link (1218) is connected to one end of the seventh link (1219), the other end of the seventh link (1219) is connected to one end of the eighth link (1220), the other end of the eighth link (1220) is fixed to one end of the moving shaft (1221), and the other end of the moving shaft (1221) is fixed to the second seal (1222), and the second seal (1222) contacts the first seal (1209).

2. An energy-efficient vertical split-case pump according to claim 1, wherein: A plurality of fixing holes (701) are provided on the mounting base (7), and the connecting member (9) passes through the fixing holes (701) and is connected to the mounting base (7) by nuts.

3. An energy-efficient vertical split-case pump according to claim 1, wherein: The upper side of the pump casing (6) is fixed to the motor bracket (2), the motor (1) is fixed to the motor bracket (2), the output end of the motor (1) is fixed to the shaft (8), and the shaft (8) passes through the pump casing (6) and is connected to the impeller (5).

4. An energy-efficient vertical split-case pump according to claim 3, wherein: A bearing body (3) is provided on the outer periphery of the shaft (8), and the bearing body (3) is located between the shaft (8) and the pump casing (6), and the shaft (8) is connected to the pump casing (6) through the bearing body (3).

5. An energy-efficient vertical split-case pump according to claim 3, wherein: A shaft seal device (4) is further provided between the shaft (8) and the pump casing (6), and the shaft seal device (4) is used to seal the shaft (8) and the pump casing (6).

6. An energy-efficient vertical split-case pump according to claim 3, wherein: The impeller (5) includes: a fixing member (501), a connecting hole (502), and a blade (503); The connecting hole (502) is provided at the center position of the fixing member (501), the shaft (8) is inserted into the connecting hole (502), and the shaft (8) is connected to the connecting hole (502); The blade (503) is fixed to the outer periphery of the fixing member (501).

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