CN212443064U

CN212443064U - Riveting tool for spiral link assembly of condenser

Info

Publication number: CN212443064U
Application number: CN202021337325.6U
Authority: CN
Inventors: 张春香; 潘尚尚
Original assignee: Jiangsu Juheng Machinery Co ltd
Current assignee: Jiangsu Juheng Machinery Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-02
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a riveting tool for a spiral link component of a condenser, which comprises a tool body, a rivet body and a rivet body, wherein the tool body is provided with a top wall, a bottom wall and two opposite side walls; the tie slot matched with the spiral tie penetrates through the tool body from one side wall of the tool body and extends to the other opposite side wall; the first groove is matched with the gasket and arranged on one of the two opposite side walls of the tool body, the first groove extends along the upper side and the lower side of the ligament slot and is communicated with the ligament slot, and the width of the first groove is smaller than that of the ligament slot; the second groove is matched with the rotating shaft, the second groove and the first groove are arranged on the same side wall of the tool body, the second groove extends along the upper side and the lower side of the first groove and is communicated with the first groove, and the width of the second groove is smaller than that of the first groove; and the top wall of the tooling body is provided with a punched hole which extends downwards and is communicated with the tie slot, the first groove and the second groove, and the punched hole is configured into a shape and a size which are used for placing a rivet and is matched with a punch of a riveting machine.

Description

Riveting tool for spiral link assembly of condenser

Technical Field

The utility model relates to a condenser scale control energy-saving technical field, in particular to a riveting tools for spiral tie subassembly of condenser.

Background

The condenser is used as main accessory equipment of a steam turbine of a thermal power plant, and the heat exchange pipe needs to be cleaned and descaled in the using process so as to keep the cleaning coefficient of the heat exchange pipe and strengthen the heat exchange effect.

The heat exchange tube of the condenser is cleaned by the spiral band component, the spiral band component is installed in the heat exchange tube of the condenser, when the steam turbine operates, a large amount of cooling water flows in the heat exchange tube, the spiral band component is driven to rotate in the heat exchange tube for a long time by the flowing of the water, the rotating spiral band component changes the flowing state of the water in the heat exchange tube, and the laminar flow boundary layer is reduced. The water in the heat exchange tube forms a vortex under the rotation action of the spiral band component to disturb the laminar boundary layer, so that calcium carbonate scale can not be retained on the tube wall and is carried out of the heat exchange tube, and the cleaning effect of keeping the inner wall of the heat exchange tube clean and scale-free for a long time is achieved.

The spiral band assembly mainly comprises a spiral band, a rotating shaft and a pair of gaskets, wherein the rotating shaft is provided with two opposite end parts, one end part is a connecting part connected with the spiral band, the other end part is a transmission part connected with the rotary power assembly, a clamping gap extending along the axial direction is arranged on the connecting part of the rotating shaft, the pair of gaskets are oppositely arranged on two sides of the spiral band and are assembled in the clamping gap together with the spiral band, through holes are formed in the connecting part of the rotating shaft and the gaskets, and the rotating shaft, the gaskets and the spiral band are riveted and fixed by means of rivets, so that the assembling process of the spiral band assembly is completed. In the process, the spiral band, the gasket and the rotating shaft need to be riveted manually, and because the spiral band belongs to a special-shaped structure, each part is not fixed in a unified manner by manual riveting, and time and labor are wasted when riveting.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a riveting tools for spiral link subassembly of condenser of high efficiency and labour saving and time saving more.

Therefore, the utility model provides a riveting tools for spiral tie subassembly of condenser, a serial communication port, include:

the tool body is provided with a top wall, a bottom wall and two opposite side walls;

the tie slot penetrates through the tool body from one side wall of the tool body and extends to the other opposite side wall, and the shape and the size of the tie slot are configured to be matched with the spiral tie of the spiral tie component;

the first groove is arranged on one of two opposite side walls of the tool body, the first groove extends along the upper side and the lower side of the tie slot and is communicated with the tie slot, the width of the first groove is smaller than that of the tie slot, and the shape and the size of the first groove are matched with a gasket of the spiral tie component;

the second groove and the first groove are arranged on the same side wall of the tool body, the second groove extends along the upper side and the lower side of the first groove and is communicated with the first groove, the width of the second groove is smaller than that of the first groove, and the shape and the size of the second groove are matched with the rotating shaft of the spiral band component;

and the punched hole is arranged on the top wall of the tool body, extends downwards, is communicated with the tie slot, the first groove and the second groove, and is configured to be used for placing a rivet and is matched with a punch of a riveting machine.

Set up the tie slot through running through at frock body lateral wall to its relative another lateral wall, and set up first recess and second recess at one of the relative lateral wall of the frock body, and first recess extends along both sides about the tie slot, and the second recess extends along both sides about first recess, sets up in frock body roof one side and punches a hole, utilizes the utility model discloses a structure can insert the spiral tie to the tie slot in, inserts a pair of gasket respectively to the first half and the latter half of first recess, inserts the pivot in the second recess, disposes the rivet from punching a hole, utilizes the rivet in the drift punching press down of riveter to the gasket of spiral tie subassembly, spiral tie and the pivot is riveted fixed once, makes the riveting equipment of spiral tie subassembly more high-efficient and labour saving and time saving.

As a preferred scheme of the utility model, the frock body include the frock body, down the frock body and fastener, the last frock body with lower frock body lock and pass through the fastener fixed mutually, the tie slot inject go up the frock body with lower frock body between, first recess with the first half between them of second recess forms on the lower lateral wall and the preceding lateral wall of going up the frock body, first recess with the latter half between them of second recess forms on the last lateral wall and the preceding lateral wall of lower frock body, punch a hole and form the roof of last frock body on and run through this last frock body. Through setting up the frock body into split type structure, make things convenient for processing respectively of tie slot, first recess and second recess to form.

As a further preferable scheme, the fastening member includes a plurality of fastening screws, the upper tool body and the lower tool body are provided with a plurality of corresponding screw holes, and the plurality of screw holes are matched with the plurality of fastening screws. A plurality of groups of screw holes can be drilled on the upper and lower tool bodies, and the upper and lower tool bodies are fastened through a plurality of screws.

As a further preferable scheme, a pair of limiting gaskets which are oppositely arranged along the left and right is arranged between the upper tool body and the lower tool body, and the space between the pair of limiting gaskets forms the ligament inserting slot.

As a further preferable mode, a pair of the limiting gaskets is arranged between the upper tool body and the lower tool body in a relatively movable mode. The width of the tie slot is convenient to adjust so as to adapt to the assembly of spiral ties with different specifications.

As a further preferable scheme, the upper tool body and the lower tool body are provided with matched positioning notches on the left side wall and/or the right side wall of the upper tool body and the lower tool body. When the frock body adopts split type structure, in order to facilitate alignment and the lock fastening of upper and lower frock body and set up foretell location breach, when the upper and lower frock body of fastening, the location breach on the upper and lower frock body of accessible is aligned relatively and is realized counterpointing, avoids taking place the dislocation condition.

As a further preferable scheme, the shape of the ligament insertion groove, the shape of the first groove and the shape of the second groove are all rectangular. The shape of the tie slot and the shape of the first and second grooves may be determined according to the cross-sectional shapes of the washer, the shaft and the spiral tie of the spiral tie assembly to be riveted.

Drawings

Fig. 1 is an exploded perspective view of the present invention;

FIG. 2 is a front perspective view of the rivet tool shown in FIG. 1;

FIG. 3 is a perspective view of a helical tie assembly of the condenser to be riveted;

FIG. 4 is a view of the riveting tool shown in FIG. 1 in a use state;

FIG. 5 is another use state view of the rivet tool shown in FIG. 1 (the upper tool body is omitted);

wherein: 100. riveting a tool; 200. a helical ligament assembly; 201. a helical ligament; 202. a gasket; 203. a rotating shaft; 204. riveting; 300. a punch of the riveting machine;

1. a tool body; 11. an upper tool body; 12. a lower tool body; 13. a fastener; 131. fastening screws; 132. screw holes;

2. a tie slot; 3. a first groove; 4. a second groove; 5. punching; 6. a limiting gasket; 61. a waist-shaped hole; 7. and positioning the notch.

Detailed Description

To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings. The following examples are intended only to illustrate the invention in detail, and are not intended to limit the scope of the invention in any way. The up, down, left, right, front, and rear positional relationships described in the following embodiments correspond to the respective positional relationships shown in fig. 1, respectively.

As shown in fig. 1 to 2, the riveting tool 100 comprises a tool body 1 of a split structure, and the tool body 1 is mainly formed by finishing 45# steel, wherein the 45# steel is 45 steel specified by the GB/T699-1999 standard and has good mechanical properties and hardness. The tool body 1 includes an upper tool body 11, a lower tool body 12, and a fastener 13. The upper tool body 11 and the lower tool body 12 are buckled and fixed through a fastener 13.

Specifically, the fastening member 13 includes a plurality of fastening screws 131, the upper tool body 11 and the lower tool body 12 are provided with a plurality of corresponding screw holes 132, and the plurality of screw holes 132 are adapted to the plurality of fastening screws 131. In order to facilitate the mutual buckling of the upper and

lower tool bodies

11, 12, the upper tool body 11 and the lower tool body 12 are provided with matched positioning notches 7 on the left side wall and the right side wall of the upper tool body and the lower tool body. Of course, a detent formed like such a detent 7 can also be formed or formed on only one of the two opposite side walls. Of course, the fastener is not limited to the above-described configuration of the fastening screw, and may be a pair of engaging claws that engage and clamp the opposite side portions of the upper and lower tool bodies, respectively.

As shown in fig. 5, a pair of limiting washers 6 arranged oppositely along the left and right sides is disposed between the upper tool body 11 and the lower tool body 12, and a space between the pair of limiting washers 6 forms the ligament insertion slot 2. Therefore, the ligament insertion groove 2 is defined between the upper tool body 11 and the lower tool body 12, the ligament insertion groove 2 penetrates through the tool body 1 from the rear side wall of the tool body 1 to the front side wall, and the ligament insertion groove 2 is configured and dimensioned to be matched with the spiral ligament 201 of the spiral ligament assembly 200 shown in fig. 3.

The front side wall of the tool body 1 is provided with a first groove 3 and a second groove 4 respectively, specifically, the upper half portions of the first groove 3 and the second groove 4 are formed on the lower side wall and the front side wall of the upper tool body 11, and the lower half portions of the first groove 3 and the second groove 4 are formed on the upper side wall and the front side wall of the lower tool body 12. The first groove 3 extends along the upper and lower sides of the ligament insertion slot 2 and is communicated with the upper and lower sides of the ligament insertion slot 2, the width of the first groove 3 is smaller than that of the ligament insertion slot 2, and the first groove 3 is configured and dimensioned to be matched with the gasket 202 of the spiral ligament assembly 200 shown in fig. 3. The second groove 4 and the first groove 3 are arranged on the same side wall of the tool body 1, the second groove 4 extends along the upper side and the lower side of the first groove 3 and is communicated with the first groove 3, the width of the second groove 4 is smaller than that of the first groove 3, and the shape and the size of the second groove 4 are configured to be matched with the rotating shaft 203 of the spiral band component 200 shown in fig. 3.

The top wall of the upper tool body 11 is provided with a punched hole 5, the punched hole 5 penetrates through the upper tool body 11 and extends downwards and is communicated with the tie slot 2, the first groove 3 and the second groove 4, and the shape and the size of the punched hole 5 are configured to be placed by the rivet shown in the figures 3 and 5 and are matched with the punch 300 of the riveting machine shown in the figures 4 and 5.

In this example, the shape of the ligament insertion groove 2, the shape of the first groove 3 and the shape of the second groove 4 are all rectangular. Of course, the shape of the notch is not limited to the rectangular shape, and may be specifically set according to the member to be riveted, for example, the shape of the first groove 3 may be a flat elliptical shape, and the shape of the second groove 4 may be a circular shape or a prismatic shape. The shape of the ligament insertion slot 2 can also be an isosceles trapezoid, a flat rhombus, other regular and symmetrical polygons, and the like.

The width of the tie slot 2 is adjusted to suit the assembly of different sizes of spiral ties 201. As shown in fig. 1 and 5, a pair of spacing shims 6 are disposed between the upper tool body 11 and the lower tool body 12 in a relatively movable manner. Specifically, a pair of waist shape holes 61 are respectively arranged on a pair of limiting gaskets 6, and the pair of waist shape holes 61 can be passed by the fastening screws 131, so that when the fastening screws 131 are loosened, the distance between the pair of limiting gaskets 6 can be adjusted, and the width of the tie slot 2 can be adjusted to adapt to the assembly riveting of the spiral ties 201 with different width specifications. Of course, the movable arrangement structure of the pair of limiting gaskets 6 between the upper and

lower tool bodies

11 and 12 is not limited to the above-mentioned fitting structure of the fastening screw and the upper waist-shaped hole of the limiting gasket, and the sliding groove may be milled in the inner side wall (i.e. the lower side wall of the upper tool body and the upper side wall of the lower tool body) opposite to each other between the upper and lower tool bodies, and the left and right opposite side walls of the sliding groove are provided with a reset component, such as a spring, which places the limiting gasket in the sliding groove and connects with the spring, so that the self-adaptive insertion of the spiral ties of different specifications can be realized by the tie slots defined between the pair of limiting gaskets.

In this example, the separate processing of the ligament insertion slot 2, the first groove 3 and the second groove 4 is facilitated by providing the tool body 1 with a split structure. In other embodiments, the tool body 1 is not limited to the split structure described above, but may be an integrated structure having a top wall, a bottom wall and two opposite side walls, the tie slot 2 penetrates from one side wall to the other opposite side wall, one of the two opposite side walls is provided with a first groove and a second groove, and the top wall of the tool body is provided with a punch hole extending downward and communicating the first groove, the second groove and the tie slot.

As shown in fig. 4 to 5, the operation principle of the riveting tool 100 is realized as follows: the method comprises the steps of inserting spiral ties 201 of spiral tie assemblies 200 into tie slots 2 of a fixture body 1, inserting a pair of gaskets 202 of the spiral tie assemblies 200 into upper and lower half portions of a first groove 2 respectively, inserting a connecting portion of a rotating shaft 203 into a second slot 3, positioning three components of the spiral tie assemblies, placing/leaking/dropping rivets 204 into/from a punched hole 5, punching the three components downwards into the punched hole 5 by using a punch 300 of a riveting machine, and riveting and punching the three components including the spiral ties 201, the rotating shaft 203 and the gaskets 202 by using the rivets 204, so that the components of the spiral tie assemblies 200 are punched and riveted at one time.

To sum up, adopt the riveting tools structure of present case, can realize that each part that will be used for the spiral tie subassembly of condenser of high efficiency and labour saving and time saving rivets the equipment, and the assembling process is simple, the simple operation improves production efficiency.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a riveting tools for spiral tie subassembly of condenser which characterized in that includes:

the tool body (1) is provided with a top wall, a bottom wall and two opposite side walls;

the tie slot (2) penetrates through the tool body (1) from one side wall of the tool body (1) and extends to the other opposite side wall, and the tie slot (2) is configured to be matched with a spiral tie of a spiral tie component in shape and size;

the first groove (3) is arranged on one of two opposite side walls of the tool body (1), the first groove (3) extends along the upper side and the lower side of the tie slot (2) and is communicated with the tie slot (2), the width of the first groove (3) is smaller than that of the tie slot (2), and the shape and the size of the first groove (3) are matched with a gasket of the spiral tie component;

the second groove (4) and the first groove (3) are arranged on the same side wall of the tool body (1), the second groove (4) extends along the upper side and the lower side of the first groove (3) and is communicated with the first groove and the second groove, the width of the second groove (4) is smaller than that of the first groove (3), and the shape and the size of the second groove (4) are matched with the rotating shaft of the spiral band component;

the punching hole (5) is arranged on the top wall of the tooling body (1), extends downwards and is communicated with the tie slot (2), the first groove (3) and the second groove (4), and the shape and the size of the punching hole (5) are configured to be used for placing a rivet and are matched with a punch of a riveting machine.

2. The riveting tool for the spiral tie component of the condenser according to claim 1, wherein: the frock body (1) including last frock body (11), lower frock body (12) and fastener (13), last frock body (11) with lower frock body (12) lock mutually and pass through fastener (13) fixed mutually, tie slot (2) inject last frock body (11) with lower frock body (12) between, first recess (3) with the first half between second recess (4) both forms on the lower lateral wall and the preceding lateral wall of last frock body (11), first recess (3) with the latter half between second recess (4) both forms on the last lateral wall and the preceding lateral wall of lower frock body (12), punch a hole (5) form the roof of last frock body (11) on and run through this last frock body (11).

3. The riveting tool for the spiral tie component of the condenser according to claim 2, wherein: the fastener (13) include a plurality of fastening screw (131), last frock body (11) with lower frock body (12) be provided with corresponding multiunit screw hole (132), multiunit screw hole (132) with a plurality of fastening screw (131) looks adaptation.

4. The riveting tool for the spiral tie component of the condenser according to claim 2, wherein: the upper tool body (11) and the lower tool body (12) are provided with a pair of limiting gaskets (6) which are oppositely arranged along the left and right sides, and the space between the pair of limiting gaskets (6) forms the tie slot (2).

5. The riveting tool for the spiral tie component of the condenser according to claim 4, wherein: the pair of limiting gaskets (6) is arranged between the upper tool body (11) and the lower tool body (12) in a relatively movable mode.

6. The riveting tool for the spiral tie component of the condenser according to claim 2, wherein: the upper tool body (11) and the lower tool body (12) are provided with matched positioning notches (7) on the left side wall and/or the right side wall of the upper tool body and the lower tool body.

7. The riveting tool for the spiral tie component of the condenser according to claim 1, wherein: the shape of the tie slot (2), the shape of the first groove (3) and the shape of the second groove (4) are all rectangular.