CN216132629U

CN216132629U - Impeller part plugging tool for volute leakage detector

Info

Publication number: CN216132629U
Application number: CN202122860376.8U
Authority: CN
Inventors: 顾斌杰
Original assignee: Jiangsu Shunfeng Aluminum Industry Co ltd
Current assignee: Jiangsu Shunfeng Aluminum Industry Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-03-25
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to the technical field of production of volute detection equipment, in particular to an impeller part plugging tool for a volute leakage detector, which comprises a workbench, wherein a movable platform is sleeved on the outer side of a vertical rod on the workbench in a sliding manner, a pressing push rod and guide pipes distributed around the pressing push rod are embedded in the movable platform, a guide rod is connected in the guide pipes in a sliding manner, the upper ends of the guide rods are connected with a limiting end plate together, the lower ends of the guide rods are connected with an installation platform together, the movable end of the pressing push rod is fixedly connected with the upper side of the installation platform, and a plugging assembly and a pre-pressing assembly distributed around the plugging assembly are installed on the lower side of the installation platform. The utility model has reasonable structural design, and the horizontal position of the prepressing head in the prepressing assembly when the prepressing head is not pressed is lower than the horizontal position of the plugging head in the plugging assembly when the plugging head is not pressed, so that the prepressing assembly can be utilized to perform effective prepressing positioning on the volute before plugging, and the volute is prevented from deviating in the plugging process.

Description

Impeller part plugging tool for volute leakage detector

Technical Field

The utility model relates to the technical field of volute detection equipment, in particular to an impeller part plugging tool for a volute leakage detector.

Background

The volute is generally used to carry an impeller, and the function of the volute is to convert the kinetic energy transmitted by the impeller to liquid or gas into pressure energy. The volute is generally used as a shell of a blower, a water pump, a booster pump and the like, the shape of the volute is similar to an involute, the axis of an impeller is deviated to one side, the gap between the outer edge of the impeller and the closest part of the volute is the smallest, and wind or water is blown out from an outlet by the rotation of a centrifugal wheel. The water inlet or the air inlet enters from the axis of the impeller and blows out to the outlet at the edge of the volute under the action of centrifugal force. The scroll has an effect of pressurizing air or water driven by the impeller, and can increase the wind pressure or water pressure at the outlet of the scroll. The sealing performance detection needs to be carried out by using a volute leakage detecting machine after the volute is machined, and an impeller part plugging tool is often used for plugging an impeller part of the volute in the process of detecting the volute.

The impeller portion plugging tool for the volute leakage detecting machine has the defects in the using process, a pre-pressing assembly is not arranged, so that effective pre-pressing positioning can not be carried out on the volute before plugging, and the volute is prone to being deviated in the plugging process.

Therefore, the structure of the impeller part plugging tool for the volute leakage detecting machine needs to be optimized and improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provides an impeller part plugging tool for a volute leakage detector.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

an impeller part plugging tool for a volute leakage detecting machine, wherein a volute comprises a volute part, an expanding pipe part and an impeller part, an annular sealing surface is arranged at the outer end of the impeller part, a plurality of positioning groove columns are arranged at the periphery of the impeller part of the volute part, the impeller part plugging tool is used for plugging the impeller part of the volute in a leakage detecting process, the impeller part plugging tool comprises a workbench, two vertical rods are symmetrically fixed on the workbench, a movable platform is sleeved on the outer sides of the two vertical rods in a sliding mode, a lifting mechanism used for driving the movable platform to move up and down is installed on the workbench, a pressing push rod and guide pipes distributed around the pressing push rod are installed on the movable platform in an embedded mode, a guide rod is connected in the guide pipes in a sliding mode, the upper end of the guide rod is connected with a limiting end plate, the lower end of the guide rod is connected with an installation platform, and the movable end of the pressing push rod is fixedly connected with the upper side of the installation platform, the lower side of the mounting platform is provided with a plugging component and pre-pressing components distributed around the plugging component, and the positions of the pre-pressing components correspond to the positions of the positioning groove columns one by one.

Further, among the impeller portion shutoff frock for volute leak hunting machine, elevating system includes grudging post, driven lever, driving motor and centre gripping frame, grudging post, driving motor fix the upside at the workstation, it has the driven lever to rotate the support in the grudging post, driving motor's output shaft carries out the transmission through bevel steering gear group and bottom of driven lever and is connected, the upper portion of driven lever is equipped with silk pole portion, the centre gripping frame is the U-shaped frame, and is fixed with the movable platform through the bolt, silk pole portion complex silk pole groove has been seted up to a curb plate of centre gripping frame, and the opposite side board has seted up the perforation.

Further, in the impeller portion plugging tool for the scroll leak detector, the axes of the screw rod groove and the through hole are overlapped, and the back side of the clamping frame abuts against the inner wall of the vertical frame.

Further, in the impeller portion plugging tool for the volute leakage detecting machine, the plugging assembly is composed of a first sleeve, a first slide bar, a first mounting column, a first spring and a plugging head, the first sleeve is connected with the first slide bar in a sliding mode, the first mounting column is fixed to the bottom end of the first slide bar, the first spring is connected between the first mounting column and the first sleeve, the plugging head is installed at the bottom end of the first mounting column, and an annular sealing clamping groove matched with an annular sealing surface is formed in the plugging head.

Further, in the impeller portion shutoff frock for volute leak detector, pre-compaction subassembly comprises second sleeve pipe, second slide bar, second erection column, second spring, pre-compaction head, sliding connection has the second slide bar in the second sleeve pipe, the bottom mounting of second slide bar has the second erection column, be connected with the second spring between second erection column and the second sleeve pipe, the pre-compaction head is installed to the bottom of second erection column, the pre-compaction head is mutually supported with positioning groove shape in the positioning groove post, horizontal position when the pre-compaction head is not stressed is less than the horizontal position when the shutoff head is not stressed.

Further, in the impeller portion shutoff frock for volute leak hunting machine, four stand pipes are installed in the embedding on the movable platform, the upside four corners department of mounting platform has linked firmly a guide bar respectively.

The utility model has the beneficial effects that:

the utility model has reasonable structural design, and on one hand, the utility model is provided with two stages of lifting mechanisms to drive the mounting platform to lift, thereby being convenient for improving the plugging efficiency; on the other hand, the installation platform is provided with the plugging assembly and the pre-pressing assembly, the horizontal position of the pre-pressing head in the pre-pressing assembly when the pre-pressing head is not pressed is lower than the horizontal position of the plugging head in the plugging assembly when the plugging head is not pressed, so that the pre-pressing assembly can be utilized to perform effective pre-pressing positioning on the volute before plugging, and the volute is prevented from deviating in the plugging process.

Of course, it is not necessary for any one product that embodies the utility model to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 3 is an assembly view of the plugging assembly and the pre-pressing assembly of the present invention;

FIG. 4 is a schematic structural view of a plugging assembly according to the present invention;

FIG. 5 is a schematic structural view of a pre-pressing assembly according to the present invention;

FIG. 6 is a schematic structural view of a volute of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-workbench, 2-vertical rod, 3-movable platform, 4-vertical frame, 5-driven rod, 6-driving motor, 7-screw rod part, 8-clamping frame, 9-guide tube, 10-guide rod, 11-limiting end plate, 12-mounting platform, 13-downward-pressing push rod, 14-blocking component, 141-first sleeve, 142-first slide rod, 143-first mounting column, 144-first spring, 145-blocking head, 15-prepressing component, 151-second sleeve, 152-second slide rod, 153-second mounting column, 154-second spring, 155-prepressing head, 16-volute, 161-volute part, 162-expanding part, 163-impeller part, 164-annular sealing surface and 165-positioning groove column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-6, in the present embodiment, an impeller portion plugging tool for a volute leakage detecting machine is disclosed, in which a volute 16 includes a volute portion 161, an expanding portion 162 and an impeller portion 163, an outer end of the impeller portion 163 is provided with an annular sealing surface 164, and the volute portion 161 is provided with a plurality of positioning groove columns 165 located on the periphery of the impeller portion 163. The impeller portion plugging tool is used for plugging the impeller portion 163 of the scroll 16 in the leak detection process.

In this embodiment, impeller portion shutoff frock includes workstation 1, and the symmetry is fixed with two pole settings 2 on workstation 1, and the common slip cover in the outside of two pole settings 2 is equipped with movable platform 3, installs the elevating system who is used for driving movable platform 3 and makes elevating movement on workstation 1. The lifting mechanism comprises an upright frame 4, a driven rod 5, a driving motor 6 and a clamping frame 8, the upright frame 4 and the driving motor 6 are fixed on the upper side of the workbench 1, the driven rod 5 is rotatably supported in the upright frame 4, an output shaft of the driving motor 6 is in transmission connection with the bottom end of the driven rod 5 through an umbrella-shaped steering gear set, a screw rod part 7 is arranged on the upper part of the driven rod 5, and the clamping frame 8 is a U-shaped frame and is fixed with the movable platform 3 through bolts.

In this embodiment, one side plate of the clamping frame 8 is provided with a screw rod groove matched with the screw rod part 7, and the other side plate is provided with a through hole. The axes of the screw rod groove and the through hole are superposed with each other, and the back side of the clamping frame 8 is pressed against the inner wall of the vertical frame 4.

In this embodiment, the movable platform 3 is embedded with a push-down rod 13 and guide tubes 9 distributed around the push-down rod, and the guide tubes 9 are slidably connected with guide rods 10. The upper ends of the guide rods 10 are connected with a limiting end plate 11, and the lower ends of the guide rods are connected with a mounting platform 12. The movable end of the push rod 13 is fixedly connected with the upper side of the mounting platform 12, the plugging component 14 and the prepressing components 15 distributed around the plugging component 14 are mounted on the lower side of the mounting platform 12, and the positions of the prepressing components 15 correspond to the positions of the positioning groove columns 165 one by one.

In this embodiment, the plugging assembly 14 includes a first sleeve 141, a first sliding rod 142, a first mounting column 143, a first spring 144, and a plugging head 145, where the first sleeve 141 is connected with the first sliding rod 142 in a sliding manner, the bottom end of the first sliding rod 142 is fixed with the first mounting column 143, the first spring 144 is connected between the first mounting column 143 and the first sleeve 141, the plugging head 145 is installed at the bottom end of the first mounting column 143, and an annular sealing slot matched with the annular sealing surface 164 is formed in the plugging head 145.

In this embodiment, the pre-pressing assembly 15 is composed of a second sleeve 151, a second sliding rod 152, a second mounting column 153, a second spring 154, and a pre-pressing head 155, the second sliding rod 152 is slidably connected to the second sleeve 151, the second mounting column 153 is fixed to the bottom end of the second sliding rod 152, the second spring 154 is connected between the second mounting column 153 and the second sleeve 151, the pre-pressing head 155 is mounted to the bottom end of the second mounting column 153, and the pre-pressing head 155 and the positioning groove in the positioning groove column 165 are matched in shape.

In this embodiment, four guide tubes 9 are embedded in the movable platform 3, and four corners of the upper side of the mounting platform 12 are fixedly connected with a guide rod 10 respectively.

One specific application of this embodiment is: the embodiment has reasonable structural design, and the two-stage lifting mechanism is arranged to drive the mounting platform 12 to lift, so that the plugging efficiency is improved conveniently; the mounting platform 12 is loaded with the plugging component 14 and the pre-pressing component 15, and the horizontal position of the pre-pressing head 155 in the pre-pressing component 15 when not pressed is lower than the horizontal position of the plugging head 145 in the plugging component 14 when not pressed, so that the pre-pressing component 15 can be utilized to perform effective pre-pressing positioning on the scroll 16 before plugging, and the scroll 16 is prevented from deviating in the plugging process.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an impeller portion shutoff frock for volute leak hunting machine, the volute includes vortex portion, expander portion and impeller portion, and the outer end of impeller portion is equipped with the annular seal face, and the periphery that the vortex portion is located the impeller portion is equipped with a plurality of positioning groove posts, and this impeller portion shutoff frock is used for carrying out the shutoff, its characterized in that to the impeller portion of volute at the leak hunting in-process: impeller portion shutoff frock includes the workstation, the symmetry is fixed with two pole settings, two on the workstation the common slip cover in outside of pole setting is equipped with movable platform, install the elevating system who is used for driving movable platform and makes elevating movement on the workstation, the last embedding of movable platform is installed and is pushed down the push rod and around its guide tube that distributes, sliding connection has the guide bar in the guide tube, the upper end of guide bar is connected with spacing end plate jointly, and the lower extreme is connected with mounting platform jointly, the expansion end that pushes down the push rod links firmly with mounting platform's upside, shutoff subassembly and the pre-compaction subassembly around its distribution are installed to mounting platform's downside, the position of pre-compaction subassembly and the position one-to-one of positioning groove post.

2. The impeller portion plugging tool for the scroll leak detector according to claim 1, wherein: elevating system includes grudging post, driven lever, driving motor and centre gripping frame, grudging post, driving motor fix the upside at the workstation, it has the driven lever to rotate the support in the grudging post, driving motor's output shaft carries out the transmission through umbrella-type steering gear group and driven lever's bottom and is connected, the upper portion of driven lever is equipped with silk pole portion, the centre gripping frame is the U-shaped frame, and is fixed with the movable platform through the bolt, silk pole portion complex silk pole groove has been seted up to a curb plate of centre gripping frame, and the opposite side board has seted up the perforation.

3. The impeller portion plugging tool for the scroll leak detector according to claim 2, wherein: the axes of the screw rod groove and the through hole are overlapped, and the back side of the clamping frame is abutted to the inner wall of the vertical frame.

4. The impeller portion plugging tool for the scroll leak detector according to claim 1, wherein: the blocking assembly is composed of a first sleeve, a first slide rod, a first mounting column, a first spring and a blocking head, the first sleeve is connected with the first slide rod in a sliding mode, the bottom end of the first slide rod is fixedly provided with the first mounting column, the first spring is connected between the first mounting column and the first sleeve, the blocking head is installed at the bottom end of the first mounting column, and an annular sealing clamping groove matched with an annular sealing surface is formed in the blocking head.

5. The impeller portion plugging tool for the scroll leak detector according to claim 4, wherein: the pre-compaction subassembly comprises second sleeve pipe, second slide bar, second erection column, second spring, pre-compaction head, sliding connection has the second slide bar in the second sleeve pipe, the bottom mounting of second slide bar has the second erection column, be connected with the second spring between second erection column and the second sleeve pipe, the head of pressing in advance is installed to the bottom of second erection column, the head of pressing in advance is mutually supported with the positioning groove shape in the positioning groove post, horizontal position when the head of pressing in advance is less than the horizontal position when the shutoff head is not pressed.

6. The impeller portion plugging tool for the scroll leak detector according to claim 1, wherein: four guide tubes are embedded in the movable platform, and four corners of the upper side of the mounting platform are fixedly connected with a guide rod respectively.