CN215370259U - Emergent drain pump and emergent equipment of speedily carrying out rescue work - Google Patents
Emergent drain pump and emergent equipment of speedily carrying out rescue work Download PDFInfo
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- CN215370259U CN215370259U CN202121201463.6U CN202121201463U CN215370259U CN 215370259 U CN215370259 U CN 215370259U CN 202121201463 U CN202121201463 U CN 202121201463U CN 215370259 U CN215370259 U CN 215370259U
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- impeller
- drain pump
- bearing
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Abstract
The utility model provides an emergency drainage pump and emergency rescue equipment, and relates to the technical field of emergency rescue equipment, wherein the emergency drainage pump comprises: a housing, an impeller, a hydraulic motor; wherein, the first end of the shell is provided with a water suction port, and the second end is provided with a water discharge port; a liquid flow passage is formed between the water suction port and the water discharge port in the shell; the hydraulic motor is used for driving the impeller to rotate so as to realize water suction from the water suction port; the transmission shaft is provided with a first end and a second end, and the first end is in power connection with an output shaft of the hydraulic motor; the impeller is arranged between the first end and the second end of the transmission shaft and is arranged in the shell at a position close to the water suction port; the casing is provided with the first bearing structure that can support the transmission shaft axially and radially simultaneously at transmission shaft second end position to be provided with the second bearing structure who is used for supporting the transmission shaft between impeller and hydraulic motor. The technical scheme of this application can avoid hydraulic motor during operation to receive the axial force, and then has improved hydraulic motor's life.
Description
Technical Field
The application relates to the technical field of emergency rescue equipment, in particular to an emergency drainage pump and emergency rescue equipment.
Background
The main measure for relieving flood is to accelerate drainage, and at present, drainage is mainly performed by adopting a drainage pump. In some embodiments, the drain pump is driven by a hydraulic motor. In emergency rescue, the pump equipment for drainage or fire control water supply is light in weight, convenient to install, simple in structure, wide in parameter range and quick in response.
In some existing technical schemes, the impeller is directly mounted on the output shaft of the hydraulic motor, the output shaft of the hydraulic motor needs to directly bear the external force from the impeller, and the hydraulic motor is easy to damage. Due to the force limitation, this type of structure can only be applied to small drain pumps.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application will be solved lies in, to prior art's above-mentioned not enough, provides an emergent drain pump and emergent equipment of speedily carrying out rescue work.
This emergent drain pump includes:
a shell, a first end of which is provided with a water suction port and a second end of which is provided with a water outlet; a liquid flow passage is formed between the water suction port and the water discharge port in the shell;
an impeller;
the hydraulic motor is used for driving the impeller to rotate so as to realize water suction from the water suction port;
a drive shaft having a first end and a second end, wherein the first end is in powered connection with an output shaft of the hydraulic motor;
the impeller is arranged between the first end and the second end of the transmission shaft and is arranged in the shell close to the water suction port; the casing is provided with a first bearing structure capable of axially supporting and radially supporting the transmission shaft at the second end of the transmission shaft, and a second bearing structure used for supporting the transmission shaft is arranged between the impeller and the hydraulic motor.
In some refinements, a reduction gear is arranged between the drive shaft and the hydraulic motor output shaft.
In some refinements, the connection between the drive shaft and the output shaft of the hydraulic motor is an axially movable connection.
In some refinements, the emergency drain pump further includes a sealing sleeve; the sealing sleeve is arranged between the hydraulic motor and the second bearing structure and sleeved on the peripheries of the transmission shaft and the output shaft of the hydraulic motor; the sealing sleeve is provided with a first sealing structure at one end of the hydraulic motor, and a second sealing structure at one end of the second bearing structure;
a third sealing structure is arranged on one side, close to the impeller, of the second bearing structure; wherein, the first sealing structure and the second sealing structure are static seals. The third sealing structure is a dynamic seal.
In some refinements, the third sealing structure comprises: an oil sealing structure a at the side of the bearing close to the second bearing structure, and a water sealing structure b at the side close to the impeller.
In some refinements, the oil seal a is a mechanical seal; and the water sealing structure b is a rubber sealing element sealing structure.
In some refinements, the first sealing structure and the second sealing structure are sealed by sealing rings.
In some refinements, the bearing used in the first bearing arrangement is a sliding bearing; the bearing adopted in the second bearing structure is a rolling bearing.
On the other hand, the application also provides an emergency rescue device which is provided with the emergency drainage pump.
In some refinements, the emergency rescue device is an emergency rescue vehicle.
In the emergency drainage pump provided by the application, a hydraulic motor is adopted to drive the impeller to rotate. A transmission shaft is arranged between the output shaft of the hydraulic motor and the impeller. The shell is provided with a first bearing structure and a second bearing structure; the first bearing structure is arranged at the second end of the transmission shaft, and the second bearing structure is arranged between the impeller and the hydraulic motor; the emergency draining pump provided by the application has the following technical effects:
the first and second bearing structures are configured to support the driveshaft from the second end of the driveshaft and are capable of withstanding axial and radial forces. The axial force generated by the impeller during working is mainly borne by the first bearing structure, and the unbalanced axial force can be borne by the second bearing structure, so that the axial force can be prevented from being borne by the hydraulic motor during working, and the service life of the hydraulic motor is further prolonged.
The second bearing structure, the first bearing structure and the second bearing structure are positioned on different sides of the impeller, and the impeller is enabled to have better stability due to the arrangement.
Drawings
Fig. 1 is a schematic structural diagram of an emergency drainage pump in an embodiment of the present application.
Fig. 2 is a partial schematic structural diagram of an emergency drain pump according to an embodiment of the present application.
Detailed Description
The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, an embodiment of the present application provides an emergency drain pump, including: a housing 100, an impeller 300, a hydraulic motor 400, a drive shaft 500; the hydraulic motor 400 is used to drive the impeller 300 to rotate, and the impeller 300 generates lift force to water through rotation. The drainage pump that provides in this application embodiment can be applied to emergent speedily carrying out rescue work, and drainage or fire control water supply need pump class equipment light in weight, simple to operate, simple structure, parameter range are wide, the response is quick. The pump that this application embodiment provided is mixed flow pump, because mixed flow pump's impeller shape is between centrifugal pump impeller and axial compressor pump impeller, consequently, mixed flow pump's theory of operation existing centrifugal force has lift, relies on the combined action of both, and water then flows out the impeller with forming certain angle with the axle, and water is to the eminence through volute chamber and pipeline.
The first end of the housing 100 is provided with a water suction port 110, and the second end is provided with a water discharge port 120; a liquid flow passage 130 is formed inside the housing 100 between the water suction port 110 and the water discharge port 120; the hydraulic motor 400 is used for driving the impeller 300 to rotate so as to suck water from the water suction port 110; the impeller 300 is rotated by the hydraulic motor 400, so that water flows in from the suction port 110 and is discharged from the discharge port 120 into the rising pipe through the liquid flow passage 130 inside the housing 100. In some embodiments, the housing 100 is formed by connecting a plurality of separate bodies, the separate bodies are detachably connected, and the separate bodies can be connected together by bolts or screws.
The hydraulic motor is an actuator of the hydraulic system, which converts the hydraulic pressure energy provided by the hydraulic pump into mechanical energy of its output shaft. In the hydraulic system, pressure oil output by a hydraulic pump enters a hydraulic motor through a hydraulic pipeline to drive the hydraulic motor to operate.
In the present embodiment, the propeller shaft 500 has a first end 510 and a second end 520, wherein the first end 510 is in power connection with the output shaft of the hydraulic motor 400; the impeller 300 is installed between the first end 510 and the second end 520 of the transmission shaft 500, and is disposed in the housing 100 at a position close to the water suction port 110; wherein the housing 100 is provided with a first bearing structure 140 capable of axially and radially supporting the drive shaft 500 at the second end 520 of the drive shaft 500, and a second bearing structure 150 for supporting the drive shaft 500 is provided between the impeller 300 and the hydraulic motor 400. In some embodiments, the bearings employed in the first bearing structure 140 are sliding bearings; the bearing used in the second bearing structure 150 is a rolling bearing. The hydraulic motor 400 drives the driving shaft 500 to rotate, and the driving shaft 500 drives the impeller 300 mounted thereon to rotate together when rotating. In the present embodiment, the first bearing structure 140 serves to support the propeller shaft 500 from the second end of the propeller shaft 500, and is capable of withstanding axial and radial forces. The axial force generated by the impeller 300 during operation is mainly borne by the first bearing structure 140, and the unbalanced axial force can be borne by the second bearing structure 150, so that the axial force can be prevented from being borne by the hydraulic motor 400 during operation, and the service life of the hydraulic motor 400 is further prolonged. Furthermore, the first bearing structure 140 and the second bearing structure 150 are located on different sides of the impeller 300, which provides for better stability of the impeller 300.
The first end of the transmission shaft 500 is in power connection with the output shaft of the hydraulic motor 400; the hydraulic motor 400 can drive the drive shaft 500 to rotate. Several other power transmission components, such as a coupling 800, a reducer 700, may be disposed between the first end of the drive shaft 500 and the output shaft of the hydraulic motor 400. The decelerator 700 provided between the transmission shaft 500 and the output shaft of the hydraulic motor 400 may be used to reduce the rotation speed and increase the output torque.
In some embodiments, the connection between the drive shaft 500 and the output shaft of the hydraulic motor 400 is an axially movable connection. The shaft 500 has a space for movement relative to the output shaft of the hydraulic motor 400 to prevent the shaft 500 from applying an axial force to the output shaft of the hydraulic motor 400.
The emergency drain pump also includes a sealing sleeve 600; the sealing sleeve 600 is arranged between the hydraulic motor 400 and the second bearing structure 150 and sleeved on the periphery of the transmission shaft 500 and the output shaft of the hydraulic motor 400; the sealing sleeve 600 is provided with a first sealing structure 610 at one end of the hydraulic motor 400 and a second sealing structure 620 at one end of the second bearing structure 150; the second bearing structure 150 is provided with a third seal structure 151 on a side close to the impeller 300. The sealing sleeve 600 surrounds the transmission shaft 500 and the output shaft of the hydraulic motor 400, and both structures are static seals, and the first sealing structure 610 and the second sealing structure 620 are static seals. The third sealing structure 151 is a dynamic seal.
Further, the third sealing structure 151 includes: an oil sealing structure 151a near the bearing side of the second bearing structure 150, and a water sealing structure 151b near the impeller 300. In some embodiments, the oil seal 151a is a mechanical seal; the water seal structure 151b is a rubber seal structure.
In some embodiments, the first seal structure 610 and the second seal structure 620 both employ a sealing ring to achieve sealing.
The embodiment of the application also provides emergency rescue equipment which is provided with the emergency drainage pump. In some embodiments, the emergency rescue apparatus is an emergency rescue vehicle. The emergency recovery vehicle is provided with a movable arm support; the emergency draining pump is installed on the movable arm support. For the emergency drain pump, reference is made to the above section, which is not described in detail here.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.
Claims (10)
1. An emergency drain pump, comprising:
a housing (100) having a water suction port (110) at a first end thereof and a water discharge port (120) at a second end thereof; a liquid flow passage (130) is formed between the water suction port (110) and the water discharge port (120) in the housing (100);
an impeller (300);
a hydraulic motor (400) for driving the impeller (300) to rotate to achieve water suction from the water suction port (110);
a drive shaft (500) having a first end and a second end, wherein the first end is in power connection with an output shaft of the hydraulic motor (400);
the impeller (300) is arranged between the first end and the second end of the transmission shaft (500) and is arranged in the shell (100) close to the water suction port (110); wherein the housing (100) is provided with a first bearing structure (140) capable of axially and radially supporting the transmission shaft (500) at the second end position of the transmission shaft (500), and a second bearing structure (150) for supporting the transmission shaft (500) is provided between the impeller (300) and the hydraulic motor (400).
2. Emergency drain pump according to claim 1, characterized in that a reducer (700) is arranged between the drive shaft (500) and the output shaft of the hydraulic motor (400).
3. Emergency drain pump according to claim 1, characterized in that the connection between the drive shaft (500) and the output shaft of the hydraulic motor (400) is an axially movable connection.
4. Emergency drain pump according to claim 1, further comprising a sealing sleeve (600); the sealing sleeve (600) is arranged between the hydraulic motor (400) and the second bearing structure (150) and sleeved on the peripheries of the transmission shaft (500) and the output shaft of the hydraulic motor (400); the sealing sleeve (600) is provided with a first sealing structure (610) at one end of the hydraulic motor (400) and a second sealing structure (620) at one end of the second bearing structure (150);
the second bearing structure (150) is provided with a third sealing structure (151) at one side close to the impeller (300); wherein the first sealing structure (610) and the second sealing structure (620) are static seals; the third sealing structure (151) is a dynamic seal.
5. Emergency drain pump according to claim 4, characterized in that the third sealing structure (151) comprises: an oil seal structure (151a) near the bearing side of the second bearing structure (150), and a water seal structure (151b) near the impeller (300).
6. Emergency drain pump according to claim 5, characterized in that the oil seal (151a) is a mechanical seal; the water sealing structure (151b) is a rubber seal sealing structure.
7. An emergency drain pump according to claim 4, characterized in that the first sealing structure (610) and the second sealing structure (620) are sealed by sealing rings.
8. Emergency drain pump according to claim 1, characterized in that the bearings used in the first bearing arrangement (140) are slide bearings; the bearing adopted in the second bearing structure (150) is a rolling bearing.
9. An emergency rescue apparatus, characterized in that it has an emergency drain pump according to any of claims 1-8.
10. The emergency rescue apparatus of claim 9, wherein the emergency rescue apparatus is an emergency rescue vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201463.6U CN215370259U (en) | 2021-05-31 | 2021-05-31 | Emergent drain pump and emergent equipment of speedily carrying out rescue work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121201463.6U CN215370259U (en) | 2021-05-31 | 2021-05-31 | Emergent drain pump and emergent equipment of speedily carrying out rescue work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370259U true CN215370259U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121201463.6U Active CN215370259U (en) | 2021-05-31 | 2021-05-31 | Emergent drain pump and emergent equipment of speedily carrying out rescue work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370259U (en) |
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2021
- 2021-05-31 CN CN202121201463.6U patent/CN215370259U/en active Active
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