CN212145503U

CN212145503U - Support tube fixing device for submerged pump

Info

Publication number: CN212145503U
Application number: CN202020760342.4U
Authority: CN
Inventors: 侯军; 封爱华; 侯恒祥
Original assignee: Jiangsu Huaqiang Pump Co ltd
Current assignee: Jiangsu Huaqiang Pump Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-15
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a supporting tube fixing device for a submerged pump, which comprises a base, a fixed clamping mechanism, a movable clamping mechanism and a middle clamping mechanism; the fixed clamping mechanism comprises a first fixed seat, a first fixed disc and a first third chuck; a motor is horizontally arranged on the first fixed seat, and the first fixed disc is fixed at the end part of a motor shaft on the motor; three first clamping jaws are arranged on the first three-clamping chuck; the movable clamping mechanism comprises a second fixed seat, a hydraulic device, a bearing seat, a second third chuck and two synchronous connecting rod devices; three second clamping jaws are arranged on the second third clamping chuck; the two synchronous connecting rod devices comprise a first connecting rod and a second connecting rod; the middle clamping mechanism comprises a moving seat, a limiting ring and two fixing pieces. The utility model provides a stay tube fixing device for submerged pump can firmly fix the stay tube of treating processing to at the in-process of centre gripping, can not cause the destruction to the outer wall of stay tube.

Description

Support tube fixing device for submerged pump

Technical Field

The utility model relates to a submerged pump technical field, especially a submerged pump stay tube fixing device.

Background

The submerged pump is with overflowing parts submergence such as impeller, the pump body in by the transported substance in the middle of, with the vertical pump of motor even axle, can effectively solve air lock, cavitation erosion problem, in the use of submerged pump, submerged pump stay tube has played very big guard action, at present, the clamping mode when the submerged pump of processing tip flanged supports the pipe fitting adopts one to press from both sides one or one end centre gripping mostly, the mode of the other end at the appropriate position clamping centre frame of pipe fitting. However, the mode of clamping one end or one end of the pipe and clamping the center frame at the proper position of the pipe at the other end often has problems: firstly, in the machining process, the thimble may move to cause the position of the supporting tube to deviate, so that an error is generated; meanwhile, the two ends of the supporting tube cannot be coaxially and concentrically clamped; the support tubes then have poor rigidity at the center, and if longer support tubes are to be machined, a center frame needs to be added at the appropriate location.

Chinese utility model patent that publication number is CN210335151U discloses a submerged pump stay tube processing frock, which comprises a chuck, the chuck includes first chuck, second chuck, the inside central fixedly connected with laser lamp of first chuck, the inside central fixedly connected with photo sensor of second chuck. This submerged pump stay tube processing frock, through the ray that photo sensor response laser lamp sent, can calibrate the center at stay tube both ends whether on same central line, in the course of working, if photo sensor senses the ray of laser lamp, photo sensor can not make sound, photo sensor sends the police dispatch newspaper sound otherwise, thereby inform staff's stay tube both ends and take place the skew, can in time stop the machining stay tube, the stay tube has been avoided producing the deviation in the course of working, make each stay tube that processes all meet the requirements, the unqualified quantity of stay tube has been reduced, and the work efficiency is improved. However, the automatic telescopic device in the device cannot be fixed at any position on the track, so the application range is relatively limited, and the fixing part on the automatic telescopic device easily causes abrasion to the outer wall of the supporting tube.

In view of the above, it is desirable to provide a support tube fixing device for a submerged pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stay tube fixing device for submerged pump can fix the stay tube of treating processing firmly to at the in-process of centre gripping, can not cause the destruction to the outer wall of stay tube.

In order to achieve the purpose of the utility model, the supporting tube fixing device for the submerged pump comprises a base, a fixed clamping mechanism, a movable clamping mechanism and a middle clamping mechanism;

the fixed clamping mechanism comprises a first fixed seat, a first fixed disc and a first third chuck; the first fixing seat is fixed at one end of the base, a motor is horizontally arranged on the first fixing seat, the first fixing disc is fixed at the end part of a motor shaft on the motor, and the first three-grabbing chuck is fixed on the first fixing disc; three first clamping jaws are arranged on the first three-clamping chuck;

the movable clamping mechanism comprises a second fixed seat, a hydraulic device, a bearing seat, a second third chuck and two synchronous connecting rod devices; the second fixed seat is fixed at one end, far away from the fixed clamping mechanism, of the base, the hydraulic device is horizontally fixed on the second fixed seat, a hydraulic rod on the hydraulic device points to the other end of the base, and the bearing seat is vertically fixed at the end part of the hydraulic rod on the hydraulic device; the second three-jaw chuck is rotatably arranged at the end part of a hydraulic rod on the hydraulic device through a bearing seat, and three second jaws are arranged on the second three-jaw chuck; the first three-clamping chuck and the second three-clamping chuck share the same central line; the two synchronous connecting rod devices are symmetrically arranged on the side surface of the hydraulic device and comprise a first connecting rod and a second connecting rod; one end of the first connecting rod is hinged to the side face of the hydraulic device, the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to one side of the bearing seat;

the middle clamping mechanism comprises a moving seat, a limiting ring and three fixing pieces; a sliding groove is formed in the middle of the base along the longitudinal direction of the base, limiting grooves are symmetrically formed in two sides of the sliding groove, a sliding block is arranged at the bottom of the moving seat, the moving seat is arranged on the sliding groove in the base in a sliding mode through the sliding block, and jackscrews matched with the limiting grooves are arranged at two ends of the sliding block; the limiting ring is vertically fixed at the top of the movable seat, and the limiting ring and the first three-grabbing chuck share the same central line; three threaded through holes are formed in the side face of the limiting ring at equal intervals; the three fixing pieces comprise handles, screws and fixing blocks, the fixing blocks are fixed at the tail portions of the screws, the handles are fixed at the head portions of the screws, the fixing pieces are connected to threaded through holes of the limiting rings through screw threads, and a layer of elastic rubber layer is arranged on the surfaces of the fixing blocks.

Preferably, the bottom of the jackscrew is provided with a rubber block.

Preferably, the side surfaces of the tops of the first clamping jaw and the second clamping jaw are respectively provided with an arc-shaped fixing portion, and a plastic layer is arranged on the arc-shaped fixing portions.

Preferably, a plurality of reinforcing ribs are arranged on the base.

The working principle is as follows: when the supporting tube is clamped, one end of the supporting tube is fixed on the fixed clamping mechanism, and then the hydraulic device is started according to the length of the supporting tube, so that a second third clamping chuck on the movable clamping mechanism fixes the other end of the supporting tube; note that in the process of fixing one end of the supporting tube, the supporting tube penetrates through the limiting ring on the middle clamping mechanism, the moving seat reaches a proper position through the moving slide block, and then the corresponding side face of the supporting tube is fixed through the three fixing pieces.

The utility model discloses a stay tube fixing device for submerged pump compares with prior art and has following advantage:

(1) the supporting tube is stably fixed through the cooperation of the fixed clamping mechanism, the movable clamping mechanism and the middle clamping mechanism, so that the supporting tube cannot shake during mechanical processing, the processing precision is improved, and the outer wall of the supporting tube cannot be damaged during clamping;

(2) the two synchronous connecting rod devices ensure that a hydraulic rod on the hydraulic device cannot deviate when moving;

(3) simple structure and convenient and fast use.

Drawings

Fig. 1 is a schematic structural view of a support tube fixing device for a submerged pump according to the present embodiment;

FIG. 2 is an enlarged view of a portion of the stop collar of FIG. 1;

FIG. 3 is an enlarged partial view of the first jaw of FIG. 1;

FIG. 4 is an enlarged view of a portion of the slider of the drawing;

FIG. 5 is an enlarged partial view of the synchronization linkage of FIG. 1;

fig. 6 is a front view of a support tube fixing device for a submerged pump according to the present embodiment.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, a supporting tube fixing device for a submerged pump comprises a base 1, a fixed clamping mechanism, a movable clamping mechanism and a middle clamping mechanism 9;

the fixed clamping mechanism comprises a first fixed seat 2, a first fixed disc 3 and a first third grabbing chuck 4; the first fixing seat 2 is fixed at one end of the base 1, a motor is horizontally arranged on the first fixing seat 2, the first fixing disc 3 is fixed at the end part of a motor shaft on the motor, and the first three-jaw chuck 4 is fixed on the first fixing disc 3; the first three-jaw chuck 4 is provided with three first jaws 15;

the movable clamping mechanism comprises a second fixed seat 6, a hydraulic device 7, a bearing seat, a second three-grab chuck 8 and two synchronous connecting rod devices 21; the second fixed seat 6 is fixed at one end, far away from the fixed clamping mechanism, of the base 1, the hydraulic device 7 is horizontally fixed on the second fixed seat 6, a hydraulic rod on the hydraulic device 7 points to the other end of the base 1, and the bearing seat is vertically fixed at the end part of the hydraulic rod on the hydraulic device 7; the second third clamping chuck 8 is rotatably arranged at the end part of a hydraulic rod on the hydraulic device 7 through a bearing seat, and three second clamping jaws are arranged on the second third clamping chuck 8; the first and second three

gripping chucks

4 and 8 share the same center line; the two synchronous connecting rod devices 21 are symmetrically arranged on the side surface of the hydraulic device 7, and each synchronous connecting rod device 21 comprises a first connecting rod 22 and a second connecting rod 23; one end of the first connecting rod 22 is hinged to the side surface of the hydraulic device 7, the other end of the first connecting rod 22 is hinged to one end of the second connecting rod 23, and the other end of the second connecting rod 23 is hinged to one side of the bearing seat; with the arrangement, when the hydraulic rod on the hydraulic device 7 stretches, the two synchronous connecting rod devices 21 can ensure the linear motion of the hydraulic rod, so that the hydraulic rod is effectively prevented from deviating;

the middle clamping mechanism 9 comprises a moving seat 10, a limiting ring 11 and three fixing pieces; a sliding groove 5 is formed in the middle of the base 1 along the longitudinal direction of the base 1, limiting grooves 17 are symmetrically formed in two sides of the sliding groove 5, a sliding block 20 is arranged at the bottom of the moving seat 10, the moving seat 10 is arranged on the sliding groove 5 on the base 1 in a sliding mode through the sliding block 20, jackscrews 18 matched with the limiting grooves 17 are arranged at two ends of the sliding block 20, and when the sliding block 20 slides to a proper position, the jackscrews 18 are screwed down to enable the jackscrews 18 to be in close contact with the bottoms of the limiting grooves 17, so that the sliding block 20 is fixed; the limiting ring 11 is vertically fixed at the top of the moving seat 10, and the limiting ring 11 and the first three-jaw chuck 4 share the same central line; three threaded through holes are formed in the side face of the limiting ring 11 at equal intervals; the three fixing pieces comprise handles 13, screws 12 and fixing blocks 14, the fixing blocks 14 are fixed at the tail portions of the screws 12, the handles 13 are fixed at the head portions of the screws 12, the fixing pieces are in threaded connection with threaded through holes of the limiting rings 11 through the screws 12, and a layer of elastic rubber layer is arranged on the surfaces of the fixing blocks 14.

Further, the bottom of the jackscrew 18 is provided with a rubber block, so that the bottom friction force between the jackscrew 18 and the limiting groove 17 is increased, and the middle clamping mechanism 9 is fixed more stably.

Further, the top side of first jack catch 15 and second jack catch all is equipped with arc fixed part 16, be equipped with the one deck plastic layer on the arc fixed part 16, on the one hand through the increase with treat fixed stay tube inner wall area of contact, fix the stay tube more firmly, on the other hand, through setting up the plastic layer, play certain guard action to the inner wall of stay tube.

Furthermore, a plurality of reinforcing ribs are arranged on the base 1, so that the strength of the base 1 is improved, and the service life of the base is prolonged.

The working principle is as follows: when the supporting tube is clamped, one end of the supporting tube is fixed on the fixed clamping mechanism, and then the hydraulic device 7 is started according to the length of the supporting tube, so that the second three-grab chuck 8 on the movable clamping mechanism fixes the other end of the supporting tube; note that in the process of fixing one end of the support tube, the support tube is made to pass through the limiting ring 11 on the middle clamping mechanism 9, the movable seat 10 is made to reach a proper position by moving the sliding block 20, and then the corresponding side surface of the support tube is fixed by three fixing pieces.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

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 this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A supporting tube fixing device for an underwater pump is characterized by comprising a base, a fixed clamping mechanism, a movable clamping mechanism and a middle clamping mechanism;

2. The support tube fixing device for the submerged pump as claimed in claim 1, wherein a rubber block is provided at the bottom of the jackscrew.

3. The support tube fixing device for the submerged pump as claimed in claim 1, wherein the first jaw and the second jaw are provided with arc-shaped fixing portions on top side surfaces thereof, and the arc-shaped fixing portions are provided with a plastic layer.

4. The apparatus as claimed in claim 1, wherein the base has a plurality of ribs.