Flange clamping device

Abstract

The utility model relates to the technical field of flow batteries, in particular to a flange clamping device. The flange clamping device comprises a driving assembly and two clamping pieces oppositely arranged in the preset direction, a clamping space is formed between the two clamping pieces oppositely arranged in the preset direction and used for containing two flanges oppositely arranged in the preset direction, and the output end of the driving assembly is connected with the two clamping pieces correspondingly. The driving assembly can drive the two clamping pieces to move towards each other or move away from each other, the two clamping pieces jointly clamp and fix the two flanges located in the clamping space, so that the two flanges are rapidly clamped and fixed, connection and fixation of two pipelines are completed, and the disassembly and assembly efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid flow battery technical field especially relates to flange clamping device. BACKGROUND

[0002] The basic components of liquid flow battery include electrode, bipolar plate, diaphragm, electrolyte, circulating pump, liquid storage tank, pipeline and battery control system etc. When the battery is charged, the circulating pump delivers electrolyte to the electrode chamber through the pipeline, the positive electrolyte occurs oxidation reaction on the positive electrode, the negative electrolyte occurs reduction reaction on the negative electrode, realizes the conversion of electric energy to chemical energy, and the reacted electrolyte is delivered back to the liquid storage tank by the circulating pump through the pipeline and circulates continuously. The discharge process is similar to the charging process, and the only difference is that the chemical reaction on the electrode is the reverse reaction of charging. The pipeline, as a transmission channel for transmitting electrolyte, plays a crucial role in maintaining the performance of the battery in the liquid flow system. The connection and sealing effect between the pipelines determine the efficiency and quality of the pipeline transmission of electrolyte.

[0003] In the prior art, the connection between the pipeline flanges relies on bolts and nuts. By using bolts to sequentially penetrate the flanges of two pipelines and using nuts to threadedly fix the bolts, the flanges of the two pipelines are locked, and a sealing gasket is arranged between the two flanges to realize the sealed connection of the two pipelines. This pipeline connection method not only has low connection efficiency, but also is complex to operate. In addition, during the test stage of the liquid-cooled battery system, the pipeline needs to be repeatedly disassembled and assembled to test the sealing effect of the pipeline, and the bolt and nut connection between the pipelines further affects the test efficiency during the repeated disassembly and assembly process.

[0004] Therefore, it is urgent to invent a flange clamping device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flange clamping device to realize the connection and fixation of the flanges on two pipelines, and has high disassembly and assembly efficiency.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The flange clamping device comprises:

[0008] Two clamping pieces are oppositely arranged along a preset direction, a clamping space is formed between the two clamping pieces oppositely arranged along the preset direction, and the clamping space is used for accommodating two flanges oppositely arranged along the preset direction; and

[0009] A driving assembly, the output end of the driving assembly is connected with the two clamping pieces respectively, and the driving assembly can drive the two clamping pieces to move towards each other or move away from each other.

[0010] Optionally, each of the clamping members comprises a clamping portion and a connecting portion connected in sequence along a first direction, the first direction being perpendicular to the preset direction.

[0011] The clamping portion is configured to abut against the flange, and the connecting portion is configured to connect with the output end of the driving assembly.

[0012] Optionally, the clamping portion is provided with a positioning protrusion extending towards the other clamping member at one end of the clamping portion close to the other clamping member along the preset direction, and the positioning protrusion is capable of extending into the through hole on the flange.

[0013] Optionally, the connecting portion in each of the clamping members is provided with a rack extending towards the other clamping member at one end of the connecting portion close to the other clamping member along the preset direction, and the two racks are oppositely arranged along a second direction, and the two oppositely arranged ends of the two racks are provided with first meshing teeth extending along the preset direction.

[0014] The driving assembly comprises a driving rod extending along the first direction, and the outer circumferential wall of the driving rod is provided with circumferentially arranged second meshing teeth, the driving rod is located between the two racks, the driving rod is simultaneously meshed with the two racks, the driving direction of the driving rod on the two racks is opposite, and the first direction, the second direction and the preset direction are perpendicular to each other in space.

[0015] Optionally, the driving assembly further comprises:

[0016] a protective shell having a meshing cavity, and the meshing portions of the racks and the driving rod are located in the meshing cavity.

[0017] Optionally, the driving assembly further comprises:

[0018] a handle connected with the portion of the driving rod located outside the meshing cavity, the axial direction of the handle is perpendicular to the axial direction of the driving rod, and the handle is capable of driving the driving rod to rotate around the central axis of the driving rod.

[0019] Optionally, the axial length of the handle is adjustable.

[0020] Optionally, the surface of the handle is covered with grooves and / or protrusions.

[0021] Optionally, the length of the clamping portion abutting against the flange along the first direction is not less than one eighth of the diameter of the flange.

[0022] As an alternative, at least two groups of the flange clamping devices jointly clamp and fix two flanges arranged opposite along a preset direction, and the at least two groups of the flange clamping devices are arranged at equal intervals along the circumferential direction of the two flanges.

[0023] The flange clamping device has the advantages that:

[0024] The flange clamping device has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a first clamping schematic view of the flange clamping device and the flange provided by the utility model embodiment;

[0026] Figure 2 is a second clamping schematic view of the flange clamping device and the flange provided by the utility model embodiment;

[0027] Figure 3 is a first structural schematic view of the flange clamping device provided by the utility model embodiment;

[0028] Figure 4 is a second structural schematic view of the flange clamping device provided by the utility model embodiment;

[0029] Figure 5 is a cross-sectional schematic view of the flange clamping device provided by the utility model embodiment.

[0030] In the drawings:

[0031] 1000, flange clamping device; 100, driving assembly; 110, driving rod; 120, protective shell; 121, meshing cavity; 130, handle; 200, clamping piece; 210, positioning protrusion; 220, rack; 300, clamping space;

[0032] 2000, flange. DETAILED DESCRIPTION

[0033] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the utility model will be further explained below by combining the drawings and through specific embodiments.

[0034] In the description of the utility model, unless another definite provision and limitation, the term "link", "connection", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's interaction relationship.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0035] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional feature between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0036] In the description of the embodiment, the orientation or position relationship of the terms "on", "under", "left", "right" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0037] In the charging and discharging process of the flow battery, the electrolyte needs to be driven by the delivery pump to be delivered to the electrode chamber through the pipeline for chemical reaction.The pipeline, as a transmission channel for transmitting electrolyte, plays a crucial role in maintaining the performance of the battery system in the flow battery system.The sealing effect of the connection between the pipelines determines the efficiency and quality of the pipeline transmission of electrolyte.In the prior art, the connection between the pipeline flanges relies on bolts and nuts.By using bolts to sequentially penetrate the flanges of two pipelines and using nuts to be screwed with the bolts, the flanges of the two pipelines are locked, and the sealing gasket between the two flanges is arranged to realize the sealed connection of the two pipelines.This pipeline connection mode not only has low connection efficiency, but also has complex operation.In addition, during the test stage of the liquid-cooled battery system, the pipeline needs to be repeatedly disassembled and assembled to test the sealing effect of the pipeline, and the bolt and nut connection mode between the pipelines further affects the test efficiency during the repeated disassembly and assembly process.

[0038] In order to solve the above problems, such as Figures 1-4As shown, the embodiment provides a flange clamping device 1000. The flange clamping device 1000 comprises a driving assembly 100 and two clamping pieces 200 oppositely arranged along a preset direction, wherein a clamping space 300 is formed between the two clamping pieces 200 oppositely arranged along the preset direction, the clamping space 300 is used to accommodate two flanges 2000 oppositely arranged along the preset direction, the output end of the driving assembly 100 is connected with the two clamping pieces 200 respectively, and the driving assembly 100 can drive the two clamping pieces 200 to move towards each other or move away from each other.

[0039] The flange clamping device 1000 can form a clamping space 300 between the two clamping pieces 200 oppositely arranged along the preset direction, accommodate two flanges 2000 oppositely arranged along the preset direction in the clamping space 300, connect the output end of the driving assembly 100 with the two clamping pieces 200 oppositely arranged respectively, and drive the two clamping pieces 200 oppositely arranged to move towards each other or move away from each other by the driving assembly 100, so as to increase or decrease the size of the clamping space 300 along the preset direction, and clamp and fix the two flanges 2000 in the clamping space 300 by the two clamping pieces 200, so as to quickly clamp and fix the two flanges 2000, complete the connection and fixation of the two pipes, and improve the disassembly and assembly efficiency. It should be noted that in the embodiment, the preset direction is the up-down direction. In other embodiments, the specific direction of the preset direction can be adjusted according to actual needs, and the embodiment is not limited in detail.

[0040] In actual operation process, in order to improve the connection effect of the pipe, at least two groups of flange clamping devices 1000 are used to clamp and fix the two flanges 2000 oppositely arranged along the preset direction, and the at least two groups of flange clamping devices 1000 are arranged at equal intervals along the circumferential direction of the two flanges 2000. It should be noted that in the embodiment, as shown in Figure 1 and Figure 2 Two flanges 2000 of two pipes are fixed by four groups of flange clamping devices 1000. The four groups of flange clamping devices 1000 are arranged at equal intervals along the circumferential direction of the flanges 2000. In other embodiments, the number of flange clamping devices 1000 required to fix the two flanges 2000 can also be adjusted within the range of at least two groups according to actual needs, and the embodiment is not limited in detail.

[0041] In an optional embodiment, each clamping piece 200 comprises a clamping portion and a docking portion connected in sequence along a first direction, the first direction being perpendicular to the preset direction, the clamping portion being configured to abut against the flange 2000, and the docking portion being configured to be connected with the output end of the driving assembly 100. By splitting the clamping piece 200 into the clamping portion and the docking portion connected in sequence along the first direction, the normal connection of the clamping piece 200 with the driving assembly 100 and the normal clamping and fixing of the clamping piece 200 with the flange 2000 can be ensured, and interference between the driving assembly 100 and the flange 2000 can be avoided. It should be noted that, in the present embodiment, the first direction is the left-right direction, and the preset direction is the up-down direction, so that the first direction is perpendicular to the preset direction. In other embodiments, the specific direction of the first direction can be adaptively adjusted according to the specific direction of the preset direction, and the present embodiment is not limited in this regard.

[0042] To further improve the clamping effect of the clamping portion on the flange 2000, the length of the clamping portion abutting against the flange 2000 along the first direction is not less than one-eighth of the diameter of the flange 2000.

[0043] In addition, one end of the clamping portion close to the other clamping piece 200 along the preset direction is provided with a positioning protrusion 210 extending in the direction close to the other clamping piece 200, and the positioning protrusion 210 can extend into the through hole on the flange 2000. By providing the positioning protrusion 210 extending in the direction close to the other clamping piece 200 at one end of the clamping portion close to the other clamping piece 200 along the preset direction, the positioning protrusion 210 extends into the through hole of the flange 2000, so that the structural characteristics of the flange 2000 are fully utilized to improve the clamping and fixing effect between the clamping portion and the flange 2000 along the preset direction.

[0044] In combination with Figure 5 The connection structure between the driving assembly 100 and the docking portion is described. One end of the docking portion in each clamping piece 200 close to the other clamping piece 200 along the preset direction is provided with a rack 220 extending in the direction close to the other clamping piece 200, the two racks 220 are oppositely arranged along a second direction, the two ends of the two oppositely arranged racks 220 are provided with first meshing teeth extending along the preset direction, the driving assembly 100 comprises a driving rod 110 extending along a first direction, the outer peripheral wall of the driving rod 110 is provided with second meshing teeth arranged in a circumferential direction, the driving rod 110 is located between the two racks 220, the driving rod 110 is simultaneously meshed with the two racks 220, the driving direction of the driving rod 110 on the two racks 220 is opposite, and the first direction, the second direction and the preset direction are perpendicular to each other in space.

[0045] By setting the rack 220 extending towards the other clamping piece 200 in the preset direction on the end of the abutting part close to the other clamping piece 200, and oppositely setting the two racks 220 in the two clamping pieces 200 in the second direction, setting the first meshing teeth on the two end faces of the oppositely set two racks 220, and setting the second meshing teeth arranged in the circumferential direction on the outer peripheral wall of the driving rod 110 extending in the first direction in the driving assembly 100, the driving rod 110 is arranged between the two racks 220, and the second meshing teeth in the driving rod 110 are simultaneously meshed with the first meshing teeth on the two racks 220, so that the driving rod 110 simultaneously drives the two racks 220 to move in the preset direction, and the synchronous moving directions of the two racks 220 are opposite, and the effect that the driving assembly 100 drives the two clamping pieces 200 to move towards each other or move away from each other is achieved.

[0046] It should be noted that in the embodiment, the second direction is the front-rear direction, the combined preset direction is the up-down direction, and the first direction is the left-right direction, so that the preset direction, the first direction and the second direction are perpendicular to each other in space. In other embodiments, the specific direction of the second direction can be adaptively adjusted according to the specific directions of the preset direction and the first direction, and the embodiment is not limited in particular.

[0047] When it is necessary to drive the two clamping pieces 200 to move towards each other, the driving rod 110 rotates forward, thereby driving the two racks 220 meshed and transmitted with the driving rod 110 to move towards each other in the preset direction, so that the effect that the two clamping pieces 200 move towards each other is achieved. When it is necessary to drive the two clamping pieces 200 to move away from each other, the driving rod 110 reversely rotates, thereby driving the two racks 220 meshed and transmitted with the driving rod 110 to move away from each other in the preset direction, so that the effect that the two clamping pieces 200 move away from each other is achieved.

[0048] As an optional solution, the driving assembly 100 further comprises a protective shell 120, wherein the protective shell 120 has a meshing cavity 121, and the meshing parts of the rack 220 and the driving rod 110 are located in the meshing cavity 121. By arranging the meshing parts of the rack 220 and the driving rod 110 in the meshing cavity 121 of the protective shell 120, foreign matters are prevented from entering between the first meshing teeth and the second meshing, so that the normal meshing transmission between the driving rod 110 and the rack 220 is ensured.

[0049] In order to further improve the meshing stability between the driving rod 110 and the rack 220, a lubricant is filled between the first meshing teeth of the driving rod 110 and the second meshing teeth of the rack 220. It should be noted that in the embodiment, the lubricant is grease, which is applied on the meshing surfaces of the first meshing teeth and the second meshing teeth to form a protective film, so as to reduce the friction and wear between the first meshing teeth and the second meshing teeth.

[0050] In the embodiment, the driving assembly 100 further comprises a handle 130, wherein the handle 130 is connected with a part of the driving rod 110 outside the engaging cavity 121, the axial direction of the handle 130 is perpendicular to the axial direction of the driving rod 110, and the handle 130 can drive the driving rod 110 to rotate around the central axis of the driving rod 110. By connecting the handle 130 with the part of the driving rod 110 outside the engaging cavity 121 and driving the driving rod 110 to rotate around the axial direction of the driving rod 110 by the handle 130, the effect of driving the two racks 220 to move towards each other or move away from each other is achieved. In addition, by making the axial direction of the handle 130 perpendicular to the axial direction of the driving rod 110, it is convenient for the staff to hold the handle 130 and drive the driving rod 110 to rotate.

[0051] To further improve the holding effect of the staff on the handle 130, the surface of the handle 130 is covered with grooves and protrusions. By covering the surface of the handle 130 with grooves and protrusions, the roughness of the surface of the handle 130 can be increased, and thus the friction between the handle 130 and the hand is increased, and the holding effect of the staff on the handle 130 is improved. It should be noted that in other embodiments, only grooves or only protrusions can be provided on the surface of the handle 130 to increase the roughness of the surface of the handle 130, and the present embodiment is not limited in this regard.

[0052] In addition, the axial length of the handle 130 is adjustable. By adjusting the axial length of the handle 130, the driving force required to drive the driving rod 110 to rotate around its axial direction can be changed to meet various needs.

[0053] In order to facilitate the understanding of the flange clamping device 1000 provided in the embodiment, the flange clamping device 1000 will be described in combination with the flange 2000. Figures 1-5 The specific clamping steps of the flange clamping device 1000 on the flange 2000 will be described:

[0054] 1) Prepare two pipes connected with each other, and make the flanges 2000 in the two pipes face each other;

[0055] 2) Take out a set of flange clamping devices 1000, hold the handle 130 and drive the driving rod 110 to rotate, so that the two clamping pieces 200 move away from each other and the size of the clamping space 300 between the two clamping pieces 200 is increased;

[0056] 3) Move the flange clamping device 1000 as a whole to the flange 2000, and make the positioning protrusions 210 on the clamping pieces 200 face the through holes on the flange 2000;

[0057] 4) Hold the handle 130 and drive the driving rod 110 to rotate in the opposite direction, so that the two clamping pieces 200 move towards each other, the positioning protrusions 210 are inserted into the through holes on the flange 2000, and the two clamping pieces 200 jointly clamp and fix the flange 2000;

[0058] 5) take out another set of flange clamping device 1000, repeat the above clamping step 2) ~ clamping step 4), and ensure that the set of flange clamping device 1000 is arranged opposite to the last set of flange clamping device 1000, to complete the clamping and fixing of two flanges 2000 of the opposite flange clamping device 1000;

[0059] 6) repeat the above clamping step 2) ~ clamping step 5), complete the clamping and fixing of two flanges 2000 of the opposite flange clamping device 1000, and ensure that the direction of the opposite flange clamping device 1000 is perpendicular to the direction of the opposite flange clamping device 1000.

[0060] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A flange clamping device, characterized in that, include: Two clamping members (200) are arranged opposite each other along a preset direction, and a clamping space (300) is formed between the two clamping members (200) arranged opposite each other along the preset direction. The clamping space (300) is used to accommodate two flanges (2000) arranged opposite each other along the preset direction. as well as A drive assembly (100) is provided, the output of which is connected to the two clamping members (200) respectively. The drive assembly (100) is capable of driving the two clamping members (200) to move towards each other or away from each other.

2. The flange clamping device according to claim 1, characterized in that, Each of the clamping members (200) includes a clamping portion and a docking portion connected sequentially along a first direction, the first direction being perpendicular to the preset direction; The clamping part is configured to abut against the flange (2000), and the docking part is configured to be connected to the output end of the drive assembly (100).

3. The flange clamping device according to claim 2, characterized in that, The clamping part is provided with a positioning protrusion (210) extending toward the other clamping member (200) at one end along the preset direction, and the positioning protrusion (210) can extend into the through hole on the flange (2000).

4. The flange clamping device according to claim 2, characterized in that, Each of the clamping members (200) has a mating portion at one end of the clamping member (200) along the preset direction, which is close to the other clamping member (200) and is provided with a rack (220) extending toward the other clamping member (200). The two racks (220) are arranged opposite each other along the second direction, and the two end faces of the two racks (220) that are arranged opposite each other are provided with first meshing teeth extending along the preset direction. The drive assembly (100) includes a drive rod (110) extending along the first direction. The outer peripheral wall of the drive rod (110) is provided with second meshing teeth arranged circumferentially. The drive rod (110) is located between two racks (220). The drive rod (110) meshes with both racks (220) simultaneously. The drive directions of the drive rod (110) on the two racks (220) are opposite. The first direction, the second direction, and the preset direction are perpendicular to each other in space.

5. The flange clamping device according to claim 4, characterized in that, The drive component (100) further includes: The protective housing (120) has a meshing cavity (121) in which the meshing portion of the rack (220) and the drive rod (110) is located.

6. The flange clamping device according to claim 5, characterized in that, The drive component (100) further includes: A handle (130) is connected to the portion of the drive rod (110) located outside the engagement cavity (121). The axial direction of the handle (130) is perpendicular to the axial direction of the drive rod (110). The handle (130) can drive the drive rod (110) to rotate around the central axis of the drive rod (110).

7. The flange clamping device according to claim 6, characterized in that, The axial length of the handle (130) is adjustable.

8. The flange clamping device according to claim 7, characterized in that, The surface of the handle (130) is covered with grooves and / or protrusions.

9. The flange clamping device according to claim 2, characterized in that, The length of the clamping part that abuts against the flange (2000) along the first direction is not less than one-eighth of the diameter of the flange (2000).

10. The flange clamping device according to claim 1, characterized in that, At least two sets of flange clamping devices are used to clamp and fix two flanges (2000) that are arranged opposite each other along a preset direction. At least two sets of flange clamping devices are arranged at equal intervals along the circumference of the two flanges (2000).

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