CN214446050U

CN214446050U - Impeller dismounting device

Info

Publication number: CN214446050U
Application number: CN202023247382.8U
Authority: CN
Inventors: 张昌; 郝玉清
Original assignee: Shaanxi Guohua Jinjie Energy Co Ltd; Guohua Power Branch of China Shenhua Energy Co Ltd
Current assignee: Shaanxi Guohua Jinjie Energy Co Ltd; Guohua Power Branch of China Shenhua Energy Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-22
Anticipated expiration: 2030-12-28

Abstract

The embodiment of the application provides an impeller dismouting device relates to machinery to solve the inconvenient problem of dismouting of impeller. The impeller dismounting device comprises: a connecting block (110) and an operating rod (120); the connecting block (110) is provided with a matching hole (1101), the matching hole (1101) is configured to be fixedly connected with a coupling connecting bolt on an impeller shaft, and the operating rod (120) is arranged on the side wall of the connecting block (110) in the thickness direction. This application is used for carrying out the dismouting of impeller.

Description

Impeller dismounting device

Technical Field

The application relates to the field of machinery, especially, relate to an impeller dismouting device.

Background

Currently, many devices are provided with impellers. The equipment with impeller need regularly dismantle the impeller and overhaul in the use, after overhauing and accomplishing, need install the impeller of dismantling. In the related art, the impeller is generally provided with a threaded hole, the impeller shaft is generally provided with an external thread, and the connection between the impeller and the impeller shaft is realized through the mode that the threaded hole on the impeller is matched and connected with the external thread on the impeller shaft. After the equipment with the impeller runs for a long time, the threaded connection between the impeller and the impeller shaft becomes tighter, a corresponding impeller dismounting tool is lacked in the prior art, and the impeller is inconvenient to dismount.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an impeller dismouting device to solve the inconvenient problem of dismouting of impeller.

The embodiment of the application provides an impeller dismouting device, impeller dismouting device includes: a connecting block and an operating rod; the impeller shaft coupling device is characterized in that the connecting block is provided with a matching hole, the matching hole is configured to be in fastening connection with a coupling connecting bolt on the impeller shaft, and the operating rod is arranged on the side wall of the connecting block in the thickness direction.

Optionally, the connecting block is a circular steel plate, and the mating holes include perforations uniformly distributed on the connecting block in the circumferential direction.

Optionally, the connecting block is a circular steel plate, and the operating rod is radially arranged on a side wall of the connecting block.

Optionally, the operating rod includes a connecting rib and a stressing rod, the connecting rib is radially disposed on the side wall of the connecting block, the stressing rod is sleeved outside the connecting rib, and the length of the stressing rod is greater than that of the connecting rib.

Optionally, the connecting ribs are welded to the side walls of the connecting block.

Optionally, the force application rod is a hollow steel pipe.

Optionally, the number of the operating rods is two, and the two operating rods are oppositely arranged on the side wall of the connecting block.

Optionally, the number of the mating holes is multiple, and the multiple mating holes are configured to be respectively fastened and connected with coupling connecting bolts of different specifications.

Optionally, the impeller shaft is in threaded connection with the impeller, wherein an external thread is arranged on the outer periphery of the impeller shaft, a threaded hole is formed in the middle of the impeller, and the threaded hole in the impeller is in fit connection with the external thread on the outer periphery of the impeller shaft.

Optionally, the impeller dismounting device further comprises an impeller rotation-preventing workpiece, the impeller rotation-preventing workpiece comprises two long sections of vertically connected channel steel, and the impeller rotation-preventing workpiece is configured into a structure capable of being inserted into a gap between two adjacent blades of the impeller.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

in the embodiment of this application, when needs dismantle the impeller, can be through the mode that shaft coupling connecting bolt on the impeller shaft is connected with the mating holes for connecting block and the epaxial shaft coupling connecting bolt of impeller are connected, thereby, can live the impeller through not, through the mode of rotating the action bars, make the relative impeller pivoted mode of impeller shaft dismantle the impeller from the impeller shaft. For example, in the embodiment of the present application, the coupling connection bolt may be made to penetrate through the mating hole, the coupling connection bolt may be screwed with the connection nut, and the coupling connection bolt on the impeller shaft may be tightly connected with the connection block. In addition, when the impeller needs to be installed, the impeller can be firstly pinned, and the impeller shaft is installed on the impeller shaft in a mode of rotating the operating rod in the opposite direction relative to the impeller.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of a first impeller dismounting device provided in an embodiment of the present application.

Fig. 2 is a schematic view of a second impeller dismounting device according to an embodiment of the present application.

Description of reference numerals: 100-impeller dismounting device; 110-connecting block; 1101-mating holes; 120-a lever; 1201-connecting ribs; 1202-stress beam.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

The embodiment of the application provides an impeller dismouting device. Referring to fig. 1, the impeller detaching device 100 may include a connection block 110 and an operation rod 120. The connection block 110 may be formed with a coupling hole 1101, wherein the coupling hole 1101 may be configured to be fastened to a coupling bolt on the impeller shaft, and the operation rod 120 may be disposed on a sidewall of the connection block 110 in a thickness direction.

In this way, in the embodiment of the present application, when the impeller needs to be disassembled, the connection block 110 can be connected to the coupling connection bolt on the impeller shaft by connecting the coupling connection bolt on the impeller shaft to the mating hole 1101, so that the impeller can be disassembled from the impeller shaft by fixing the impeller and rotating the operating rod 120 relative to the impeller. Illustratively, in the embodiment of the present application, a coupling connection bolt may be inserted through the coupling hole 1101, a connection nut may be screwed with the coupling connection bolt, and the coupling connection bolt on the impeller shaft may be tightly connected with the connection block 110. In addition, when the impeller needs to be installed, the impeller can be mounted on the impeller shaft in a manner that the impeller shaft rotates in the opposite direction with respect to the impeller by means of the operating rod 120 rotating in the opposite direction.

Alternatively, in an embodiment of the present application, the connection block 110 may be a circular steel plate, and the mating hole 1101 may include 4 perforations evenly distributed circumferentially on the connection block 110. Illustratively, the thickness of the connecting block may be 20 mm. Of course, in other embodiments of the present application, the mating hole 1101 may include only 1 through hole, and for example, the fastening connection between the connection block 110 and the impeller shaft end may be achieved by using one coupling connection bolt in a manner of increasing the roughness between the connection block 110 and the impeller shaft end. In addition, in other embodiments of the present application, the mating hole 1101 may also include 2 perforations or other number of perforations, which are not listed here.

Alternatively, in the embodiment of the present application, the connection block 110 may be a circular steel plate, and the operation rod 120 may be radially disposed on a sidewall of the connection block 110. Illustratively, the operating rod 120 may be a steel rod welded to the connecting block 110, and the connecting block 110 may be rotated by rotating the operating rod 120, and the impeller shaft connected to the connecting block 110 may be rotated.

Optionally, referring to fig. 2, in an embodiment of the present application, the operating rod 120 may include a connecting rib 1201 and a reinforcing rod 1202, the connecting rib 1201 may be radially disposed on a sidewall of the connecting block 110, the reinforcing rod 1202 may be sleeved outside the connecting rib 1201, and the length of the reinforcing rod 1202 is greater than that of the connecting rib 1201.

Optionally, referring to fig. 2, in an embodiment of the present application, the number of the connecting ribs 1201 may be two, two connecting ribs 1201 may be oppositely disposed on the side wall of the connecting block 110, and the stressing rod 1202 may only include one, and may be respectively sleeved on one of the two connecting ribs 1201 by the stressing rod 1202. In this way, the length of the fixed end of the operating rod 120 can be shortened by arranging the connecting ribs 1201 and the stressing rod 1202, and the operating rod 120 can be prevented from colliding with other structures around the impeller in the rotation process of the connecting block 110.

Alternatively, in the embodiment of the present application, the connecting ribs 1201 are welded to the side wall of the connecting block 110. Optionally, in the embodiment of the present application, the forcing rod 1202 is a hollow steel pipe.

Alternatively, in the embodiment of the present application, the number of the operation levers 120 is two, and the two operation levers 120 are oppositely disposed on the side wall of the connection block 110. Thus, when one of the two operation levers 120 is rotated to a position where it is inconvenient to apply force, a rotational force can be applied to the other operation lever 120. Of course, in other embodiments of the present application, for example, the number of the operation levers 120 is also three, four, etc., which are not listed here.

Alternatively, in an embodiment of the present application, the number of the mating holes 1101 may be multiple, and the multiple mating holes 1101 may be configured to be respectively fastened and connected with coupling connection bolts of different specifications. In this way, the specifications of the coupling connecting bolts of the impellers with different specifications may be inconsistent, and the coupling connecting bolts with different specifications can be fastened and connected with the corresponding matching holes 1101, so that one impeller dismounting device 100 can be used for dismounting the impellers with different specifications, and the universality of the impeller dismounting device 100 can be improved.

Alternatively, in embodiments of the present application, the threaded connection between the impeller shaft and the impeller may be provided. Wherein, can be provided with the external screw thread on the periphery of impeller shaft, the screw hole can be opened at the middle part of impeller, and the screw hole on the impeller can be connected with the external screw thread cooperation on the periphery of impeller shaft.

Optionally, in an embodiment of the present application, the impeller dismounting device 100 may further include an impeller rotation preventing workpiece, the impeller rotation preventing workpiece may include two long vertically connected channel steel sections, and the impeller rotation preventing workpiece may be configured to be inserted into a gap between two adjacent blades of the impeller. Therefore, the impeller rotation-preventing workpiece can be inserted into a gap between two adjacent blades of the impeller and is inserted into other structures around the impeller, and the impeller is fixed by the impeller rotation-preventing workpiece, so that the impeller is prevented from rotating reversely in the disassembly process. Of course, in other embodiments of the present application, for example, a steel rod may be inserted into a gap between two adjacent blades, and then the impeller may be prevented from rotating by clamping the steel rod. Of course, in the embodiments of the present application, there are many other ways to prevent rotation of the impeller during disassembly of the impeller, which are not listed here.

Optionally, the impeller dismounting device 100 provided in the embodiment of the present application may be used to dismount the impeller of the slurry disturbance pump of the desulfurization absorption tower. The impeller rotation-preventing workpiece can be formed by vertically welding a 200 mm channel steel and a 300 mm channel steel, the impeller rotation-preventing workpiece can be placed into a pump outlet pipe, the 200 mm channel steel can be placed on a pump outlet flange face, the 300 mm channel steel can be inserted into a gap between two adjacent blades on the impeller, the impeller can be distinguished, and the impeller and an impeller shaft are prevented from rotating synchronously to affect disassembly and assembly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the embodiments of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impeller dismouting device characterized in that includes: a connecting block (110) and an operating rod (120); the connecting block (110) is provided with a matching hole (1101), the matching hole (1101) is configured to be fixedly connected with a coupling connecting bolt on an impeller shaft, and the operating rod (120) is arranged on the side wall of the connecting block (110) in the thickness direction.

2. The impeller dismounting device according to claim 1, wherein the connecting block (110) is a circular steel plate, and the mating hole (1101) comprises 4 through holes which are circumferentially and uniformly distributed on the connecting block (110).

3. The impeller dismounting device according to claim 1, wherein the connecting block (110) is a circular steel plate, and the operating rod (120) is radially disposed on a side wall of the connecting block (110).

4. The impeller dismounting device according to claim 3, characterized in that the operating rod (120) comprises a connecting rib (1201) and a stress rod (1202), the connecting rib (1201) is radially arranged on a side wall of the connecting block (110), the stress rod (1202) is sleeved outside the connecting rib (1201), and the length of the stress rod (1202) is larger than that of the connecting rib (1201).

5. The impeller dismounting device according to claim 4, characterized in that the connecting ribs (1201) are welded to the side wall of the connecting block (110).

6. The impeller dismounting device according to claim 4, wherein the force applying rod (1202) is a hollow steel pipe.

7. The impeller dismounting device according to claim 1, wherein the number of the operating rods (120) is two, and the two operating rods (120) are oppositely arranged on the side wall of the connecting block (110).

8. The impeller dismounting device according to claim 1, wherein the number of the matching holes (1101) is multiple, and the multiple matching holes (1101) are configured to be respectively fastened and connected with coupling connecting bolts with different specifications.

9. The impeller dismounting device according to claim 1, wherein the impeller shaft is in threaded connection with an impeller, wherein an external thread is provided on the outer circumference of the impeller shaft, a threaded hole is provided in the middle of the impeller, and the threaded hole on the impeller is in fit connection with the external thread on the outer circumference of the impeller shaft.

10. The impeller dismounting device according to claim 1, further comprising an impeller rotation-preventing workpiece, wherein the impeller rotation-preventing workpiece comprises two long sections of vertically connected channel steel, and the impeller rotation-preventing workpiece is configured to be capable of being inserted into a gap between two adjacent blades of the impeller.