Automatic centering and fastening tool for flange connection

Abstract

The utility model discloses a flange connection automatic centering fastening tool which comprises a first adjusting frame, a first flange piece is arranged on the inner side of the first adjusting frame, a second adjusting frame is arranged on the right side of the first flange piece, and a second flange piece is installed on the inner side of the second adjusting frame. The connecting frame is arranged on the outer side of the second adjusting frame, a connecting bolt is connected to the inner side of the connecting frame, a connecting plate is installed on the outer side of the connecting frame, a positioning structure is arranged on the inner side of the connecting plate, a guide rod is connected to the interior of the connecting plate, and the first adjusting frame is of a C-shaped structure. And front and back symmetrical connecting blocks are arranged on the inner side of the first adjusting frame. According to the automatic centering fastening tool for flange connection, the centering accuracy of the two sets of flanges is effectively improved by clamping the two sets of flanges, and meanwhile, the stability of the fastening tool during automatic centering of the flanges can be improved by additionally arranging a positioning structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange connection technical field, concretely is flange connection automatic centering fastening tool. BACKGROUND

[0002] When the butt joint assembly of two groups of flanges is carried out, manual centering treatment is usually needed, and deviation exists in manual auxiliary centering, leading to that the flange connection position of two groups is not accurate enough, therefore, it is very important to design a flange connection automatic centering fastening tool, for example:

[0003] The utility model discloses a kind of fastening devices of plate type flat welding flange connection, first by bolt connection, a pair of plate type flanges are fixed together, subsequently worker accurately installs pressurizing device on plate type flange, and ensure that the part of bolt exposed plate type flange surface is placed in the protection groove of pressurizing device, bolt and air contact is effectively isolated to provide protection for bolt, then worker operates the pressurizing plate of pressurizing device and moves downward, so that spring is in compressed state, the bottom surface of C-shaped groove in pressurizing device and the abutment block under the pressure of spring, plate type flange is extruded to share the load of bolt for extruding plate type flange, so that the force of bolt to plate type flange is reduced, to reduce the pressure borne by bolt, in this way, the durability of equipment has been improved, and the use time of equipment has been extended.

[0004] In combination with existing scheme and actual production and processing, existing flange connection fastening tool has the following defects, for example:

[0005] Although the existing flange connection fastening tool fixes a pair of plate type flanges together and improves the durability of equipment, manual centering treatment is needed for two groups of flanges, deviation exists, and the accuracy of flange connection is affected, therefore, the utility model provides flange connection automatic centering fastening tool to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing flange connection automatic centering fastening tool to solve the problem that the existing flange connection fastening tool improves the durability of equipment by fixing a pair of plate type flanges together, manual centering treatment is needed for two groups of flanges, deviation exists, and the accuracy of flange connection is affected.

[0007] To achieve the above object, the utility model provides the following technical scheme: flange connection automatic centering fastening tool, including first adjusting frame, the inner side of first adjusting frame is provided with first flange piece, and the right side of first flange piece is provided with second adjusting frame, and the inner side of second adjusting frame is installed with second flange piece;

[0008] The adapter frame is provided outside the second adjusting frame, and an adapter bolt is connected to the inner side of the adapter frame; an adapter plate is installed on the outer side of the adapter frame, and a positioning structure is provided on the inner side of the adapter plate; a guide rod is connected to the inside of the adapter plate, and a motor is provided on the right side of the guide rod.

[0009] Preferably, the first adjusting frame is in a "C" shape structure, and a front and back symmetrical connecting block is provided on the inner side of the first adjusting frame, and the connecting block is clamped and connected with the first connecting seat on the outer side of the first adjusting frame.

[0010] Preferably, the inside of the first flange piece is provided with equiangular distribution fastening rods, the outer side of the fastening rod is provided with front and back symmetrical fastening wheels, and the fastening wheel is threadedly connected with the fastening rod.

[0011] Preferably, the fastening rod penetrates the inside of the first flange piece, the gasket body and the second flange piece, and the fastening rod is vertically arranged with the first flange piece, the gasket body and the second flange piece.

[0012] Preferably, the outer side of the first adjusting frame is provided with an "L" shaped alignment block, and the inner side of the alignment block is connected with a connecting bolt.

[0013] Preferably, the adapter frame is clamped and connected with the first adjusting frame and the second adjusting frame, and the adapter frame is symmetrically arranged above and below about the center line of the second adjusting frame, and the adapter frame is threadedly connected with the adapter bolt.

[0014] Preferably, the positioning structure comprises a positioning rod provided on the inner side of the adapter plate, the outer side of the positioning rod is provided with a trapezoidal structure adapter seat, and the outer side of the adapter seat is provided with a circular ring structure adapter sleeve.

[0015] Preferably, the outer side of the adapter sleeve is provided with an adapter rod, the outer side of the adapter rod is threadedly connected with an adapter seat rod, and the inner side of the adapter seat rod is threadedly connected with an adapter bolt.

[0016] Preferably, the thread direction of the left side of the guide rod is reversely arranged, the guide rod penetrates the inside of the adapter plate, and the left side of the guide rod is connected with an adapter head clamped and connected with the adapter seat rod.

[0017] Compared with the prior art, the flange connection automatic centering fastening tool has the advantages that the two groups of flanges are clamped, the accuracy of the centering of the two groups of flanges is effectively improved, and the stability of the fastening tool during the automatic centering of the flanges is improved by additionally arranging the positioning structure.

[0018] 1. The utility model provides a flange connection automatic centering fastening tool, which comprises a positioning rod and a connecting rod, and is characterized in that the connecting rod is screwed with a connecting seat rod, a first supporting frame and a second supporting frame through a connecting bolt, the connecting rod is screwed with the connecting seat rod, the connecting bolt is tightened, the connecting head is limited in the corresponding connecting seat rod, and the quick assembly of the positioning structure of the flange connection automatic centering fastening tool is facilitated.

[0019] 2. The utility model provides a first adjusting frame and a second adjusting frame, a motor is connected with the power supply, the motor drives a guide rod to rotate, left and right two groups of connecting plates move correspondingly, the first adjusting frame and the second adjusting frame are close to each other, a connecting block is clamped with a first connecting seat outside the first adjusting frame and a second connecting seat outside the second flange piece, the center of the first flange piece, the gasket body and the second flange piece is kept on the same axis, and the flange connection automatic centering fastening tool is facilitated.

[0020] 3. The utility model discloses a fastening rod is passed through in the inside of alignment block, first flange piece, gasket body and second flange piece, the connecting bolt is unscrewed, the alignment block is connected with the first adjusting frame and the second adjusting frame outside the connection is released, the fastening wheel is screwed, after the fastening wheel is screwed on the fastening rod, the first flange piece, the gasket body and the second flange piece in the inside are extruded, and the flange is facilitated to realize quick and stable connection. DRAWINGS

[0021] Figure 1 It is the front view section structure schematic drawing of the utility model;

[0022] Figure 2 It is the back view section structure schematic drawing of the utility model connecting block and second connecting seat connection;

[0023] Figure 3 It is the first flange piece and fastening rod connection whole explosion structure schematic drawing of the utility model;

[0024] Figure 4 It is the positioning rod and connecting plate connection whole explosion structure schematic drawing of the utility model;

[0025] Figure 5 It is the utility model Figure 1 Enlarged structure schematic drawing of A place in the utility model.

[0026] In the figure: 1, the first adjusting frame; 2, the first flange piece; 3, the second adjusting frame; 4, the gasket body; 5, the second flange piece; 6, the fastening rod; 7, the fastening wheel; 8, the first connecting seat; 9, the connecting block; 10, the second connecting seat; 11, the connecting bolt; 12, the alignment block; 13, the connecting frame; 14, the connecting bolt; 15, the connecting plate; 16, the positioning rod; 17, the connecting seat; 18, the connecting sleeve; 19, the connecting rod; 20, the connecting seat rod; 21, the connecting bolt; 22, the first supporting frame; 23, the guide rod; 24, the motor; 25, the control chamber; 26, the reinforcing plate; 27, the second supporting frame; 28, the connecting head; 29, the baffle. DETAILED DESCRIPTION

[0027] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0028] Please refer to Figures 1-5 The present application provides a technical solution: a flange connection automatic centering and fastening tool, comprising a first adjusting frame 1, a first flange piece 2, a second adjusting frame 3, a gasket body 4, a second flange piece 5, a fastening rod 6, a fastening wheel 7, a first connecting seat 8, a connecting block 9, a second connecting seat 10, a connecting bolt 11, an alignment block 12, a connecting frame 13, a connecting bolt 14, a connecting plate 15, a positioning rod 16, a connecting seat 17, a connecting sleeve 18, a connecting rod 19, a connecting seat rod 20, a connecting bolt 21, a first supporting frame 22, a guide rod 23, a motor 24, a control chamber 25, a reinforcing plate 26, a second supporting frame 27, a connecting head 28, and a baffle 29.

[0029] Specifically as Figure 1 and Figure 4As shown, first place the positioning rod 16 horizontally, the outer side of the positioning rod 16 is provided with two groups of symmetrically arranged connecting plates 15, the left and right ends of the positioning rod 16 are provided with connecting seats 17, the connecting seats 17 are trapezoidal structures, the outer side of the connecting seat 17 is provided with a circular ring structure connecting sleeve 18, the first support frame 22 and the second support frame 27 are placed opposite to each other, the inner side of the first support frame 22 and the second support frame 27 are placed with the connecting seat rod 20, after the outer side of the connecting seat rod 20 contacts with the inner side of the first support frame 22 and the second support frame 27, the connecting bolt 21 is manually tightened, the outer side of the connecting bolt 21 is provided with a threaded structure, when the connecting bolt 21 is screwed, the gap between the connecting seat rod 20 and the first support frame 22 and the gap between the connecting seat rod 20 and the second support frame 27 are shortened, the connecting bolt 21 is threadedly connected with the connecting seat rod 20, the first support frame 22 and the second support frame 27, the outer side of the connecting sleeve 18 is provided with a connecting rod 19, after the connecting rod 19 is aligned with the center of the connecting seat rod 20, the first support frame 22 and the second support frame 27 are pushed, so that the first support frame 22 contacts with the corresponding connecting seat rod 20 and the connecting sleeve 18, the connecting rod 19 is threadedly connected with the connecting seat rod 20, the first support frame 22 and the second support frame 27 are connected opposite to each other, similarly, the inner side of the bottom of the first support frame 22 is placed with the connecting seat rod 20, after the connecting bolt 21 is tightened, the "T" shaped structure of the connecting head 28 on the left side of the guide rod 23 is limited in the corresponding connecting seat rod 20, so as to realize the quick assembly of the positioning structure in the flange connection automatic centering and fastening tool.

[0030] Specifically as Figure 1 , Figure 2 and Figure 3 shown, the first adjusting frame 1 and the second adjusting frame 3 are placed in the middle of the first support frame 22 and the second support frame 27, the connecting frames 13 connected by the connecting plates 15 are respectively placed at the upper and lower ends of the first adjusting frame 1 and the second adjusting frame 3, the connecting frames 13 are clamped and connected with the first adjusting frame 1 and the second adjusting frame 3, and the connecting frames 13 are symmetrically arranged above and below the center line of the second adjusting frame 3, after the connecting frames 13 contact with the first adjusting frame 1 and the second adjusting frame 3, the connecting bolt 14 is manually tightened, the outer side of the connecting bolt 14 is provided with a threaded structure, after the connecting bolt 14 is tightened, the gap between the connecting frame 13 and the first adjusting frame 1 and the gap between the connecting frame 13 and the second adjusting frame 3 are shortened, the connecting frame 13 and the first adjusting frame 1 and the second adjusting frame 3 are tightly connected, and the connecting frame 13, the first adjusting frame 1 and the second adjusting frame 3 are threadedly connected with the connecting bolt 14;

[0031] Then the motor 24 inside the control chamber 25 is powered on, the first flange 2 and the second flange 5 are arranged in the space between the first adjusting frame 1 and the second adjusting frame 3, and the gasket body 4 is placed between the second flange 5 and the first flange 2, the first flange 2, the gasket body 4 and the second flange 5 maintain the front, middle and rear connection relationship, the control chamber 25 is arranged at the left lower end of the second supporting frame 27, and the upper and lower sides of the control chamber 25 are provided with triangular reinforcing plates 26, which play a role of reinforcing connection with the second supporting frame 27.

[0032] When the motor 24 is turned on, the motor 24 drives the guide rod 23 to rotate, the thread directions on the left side of the guide rod 23 are oppositely arranged, the guide rod 23 penetrates the inside of the adapter plate 15, two groups of adapter plates 15 are arranged on the guide rod 23, when the guide rod 23 rotates, the adapter head 28 on the left side of the guide rod 23 slides in the corresponding adapter seat rod 20 at the right lower end of the first supporting frame 22, the thread structure outside the guide rod 23 drives the adapter plate 15 connected with the guide rod 23 to move, the left and right groups of adapter plates 15 move correspondingly, the adapter plates 15 above the first adjusting frame 1 and the second adjusting frame 3 rub against the outer wall of the positioning rod 16, the adapter plates 15 above the first adjusting frame 1 and the second adjusting frame 3 are connected with the positioning rod 16 in a sliding manner, and the positioning rod 16 positions the movement direction, so that the adapter plate 15 arranged outside the positioning rod 16 always slides in the horizontal direction.

[0033] The first adjusting frame 1 and the second adjusting frame 3 are close to each other, the first adjusting frame 1 and the second adjusting frame 3 are both in a "C" shape, when the first adjusting frame 1 and the second adjusting frame 3 are close to each other, the inner sides thereof contact the outer walls of the first flange 2 and the second flange 5, thereby pushing the first flange 2 and the second flange 5 and finally clamping the left and right sides of the first flange 2 and the second flange 5, the inner side of the first adjusting frame 1 is provided with front and rear symmetrical connecting blocks 9, the angle of the first flange 2 and the second flange 5 is adjusted, so that the connecting blocks 9 arranged in the inner sides of the first adjusting frame 1 and the second adjusting frame 3 are clamped with the first connecting seat 8 outside the first adjusting frame 1 and the second connecting seat 10 outside the second flange 5, at this time, the centers of the first flange 2, the gasket body 4 and the second flange 5 remain on the same axis, the front side of the first adjusting frame 1 is provided with a baffle 29 which contacts the front side of the first flange 2, and the rear side of the first adjusting frame 1 is provided with a baffle 29 which contacts the rear side of the second flange 5, thereby facilitating automatic centering of the flange connection by the tightening tool.

[0034] Specifically, as Figure 1 and Figure 2As shown, before the motor 24 is powered on, the alignment block 12 in the shape of "L" is placed at the outside of the first adjusting frame 1 and the second adjusting frame 3 at equal angles, the connecting bolt 11 is manually tightened, the outside of the connecting bolt 11 is provided with a threaded structure, after the connecting bolt 11 is screwed, the connecting gaps between the alignment block 12 and the first adjusting frame 1 and the alignment block 12 and the second adjusting frame 3 are shortened, the connecting bolt 11 is threadedly connected with the alignment block 12, the first adjusting frame 1 and the second adjusting frame 3, and the alignment block 12 and the first adjusting frame 1 and the alignment block 12 and the second adjusting frame 3 are tightly connected through the connecting bolt 11;

[0035] After the connecting block 9 at the inside of the first adjusting frame 1 is clamped with the first connecting seat 8 and the second connecting seat 10 respectively, the equally angularly distributed connecting holes provided inside the first flange piece 2 are aligned with the equally angularly distributed connecting holes provided inside the second flange piece 5, at this time, the connecting holes inside the alignment block 12 are aligned with the connecting holes of the first flange piece 2, by means of a punch, the punch bit is rotated to align with the connecting holes inside the first adjusting frame 1, and after the punch bit perforates the gasket body 4 through the connecting holes inside the first adjusting frame 1, the punch bit penetrates through the connecting holes inside the second flange piece 5;

[0036] Finally, the fastening rod 6 is penetrated inside the alignment block 12, the first flange piece 2, the gasket body 4 and the second flange piece 5, so that the fastening rod 6 is equally angularly distributed inside the first flange piece 2, after the fastening rod 6 is penetrated inside the first flange piece 2, the gasket body 4 and the second flange piece 5, the connecting bolt 11 is unscrewed, the alignment block 12 at the front and rear ends of the first adjusting frame 1 and the second adjusting frame 3 is removed from the outside of the fastening rod 6, and the fastening wheels 7 are screwed on the front and rear ends of the fastening rod 6, the fastening wheels 7 are symmetrically arranged about the center line of the fastening rod 6, the front and rear ends of the fastening rod 6 are provided with threaded structures, the fastening wheels 7 are threadedly connected with the fastening rod 6, and the fastening rod 6 is vertically arranged with the first flange piece 2, the gasket body 4 and the second flange piece 5, after the fastening wheels 7 on the front and rear sides are tightened on the fastening rod 6, the first flange piece 2, the gasket body 4 and the second flange piece 5 inside are extruded, the first flange piece 2, the gasket body 4 and the second flange piece 5 are fastened, after the fastening is completed, the driving motor 24 is reversed, the clamping of the fastening tool on the first flange piece 2, the gasket body 4 and the second flange piece 5 is released, and the fast and stable connection of the flange is facilitated, which is the use method of the flange connection automatic centering fastening tool.

[0037] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the conventional connection mode in the prior art is adopted for circuit connection, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0038] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flange connection automatic centering and fastening tool, comprising a first adjusting frame (1), the inner side of the first adjusting frame (1) is provided with a first flange piece (2), the right side of the first flange piece (2) is provided with a second adjusting frame (3), and the inner side of the second adjusting frame (3) is provided with a second flange piece (5); characterized in that Further comprising: a connecting frame (13) is arranged on the outer side of the second adjusting frame (3), the inner side of the connecting frame (13) is connected with a connecting bolt (14), the outer side of the connecting frame (13) is provided with a connecting plate (15), the inner side of the connecting plate (15) is provided with a positioning structure, the inside of the connecting plate (15) is connected with a guide rod (23), and the right side of the guide rod (23) is provided with a motor (24).

2. The flange connection self-aligning fastening tool according to claim 1, characterized by: The first adjusting frame (1) is in a "C" shape structure, the inner side of the first adjusting frame (1) is provided with a front and rear symmetrical connecting block (9), and the connecting block (9) is clamped and connected with the first connecting seat (8) on the outer side of the first adjusting frame (1).

3. The flange connection self-aligning fastening tool according to claim 1, characterized by: The inside of the first flange piece (2) is provided with fastening rods (6) distributed at equal angles, the outer side of the fastening rod (6) is provided with front and rear symmetrical fastening wheels (7), and the fastening wheel (7) is threadedly connected with the fastening rod (6).

4. The flange connection automatic centering fastening tool according to claim 3, characterized by: The fastening rod (6) penetrates the inside of the first flange piece (2), the gasket body (4) and the second flange piece (5), and the fastening rod (6) is vertically arranged with the first flange piece (2), the gasket body (4) and the second flange piece (5).

5. The flange connection self-aligning fastening tool according to claim 1, characterized by: The outer side of the first adjusting frame (1) is provided with an alignment block (12) in an "L" shape, and the inner side of the alignment block (12) is connected with a connecting bolt (11).

6. The flange connection self-aligning fastening tool according to claim 1, characterized by: The connecting frame (13) is clamped and connected with the first adjusting frame (1) and the second adjusting frame (3), the connecting frame (13) is symmetrically arranged above and below about the center line of the second adjusting frame (3), and the connecting frame (13) is threadedly connected with the connecting bolt (14).

7. The flange connection automatic centering fastening tool according to claim 1, characterized by: The positioning structure comprises a positioning rod (16) arranged on the inner side of the connecting plate (15), the outer side of the positioning rod (16) is provided with a trapezoidal connecting seat (17), and the outer side of the connecting seat (17) is provided with a circular connecting sleeve (18).

8. The flange connection automatic centering fastening tool according to claim 7, characterized by: The outer side of the connecting sleeve (18) is provided with a connecting rod (19), the outer side of the connecting rod (19) is threadedly connected with a connecting seat rod (20), and the inner side of the connecting seat rod (20) is threadedly connected with a connecting bolt (21).

9. The flange connection automatic centering fastening tool according to claim 1, characterized by: The thread directions of the left sides of the two sides of the guide rod (23) are oppositely arranged, the guide rod (23) penetrates the inside of the connecting plate (15), and the left side of the guide rod (23) is connected with a connecting head (28) clamped and connected with the connecting seat rod (20).

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