CN110307184A - A kind of fixed device of water pump and its fixing means - Google Patents

A kind of fixed device of water pump and its fixing means Download PDF

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Publication number
CN110307184A
CN110307184A CN201910668141.3A CN201910668141A CN110307184A CN 110307184 A CN110307184 A CN 110307184A CN 201910668141 A CN201910668141 A CN 201910668141A CN 110307184 A CN110307184 A CN 110307184A
Authority
CN
China
Prior art keywords
fixed
anchor ear
bracket
water pump
ontology
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910668141.3A
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Chinese (zh)
Inventor
陆建
范廷亮
范庭伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU GUANGMANG NEW ENERGY CO Ltd
Original Assignee
JIANGSU GUANGMANG NEW ENERGY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU GUANGMANG NEW ENERGY CO Ltd filed Critical JIANGSU GUANGMANG NEW ENERGY CO Ltd
Priority to CN201910668141.3A priority Critical patent/CN110307184A/en
Publication of CN110307184A publication Critical patent/CN110307184A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/007Details, component parts, or accessories especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The present invention relates to a kind of fixed devices of water pump, including fixed anchor ear and fixed bracket;Fixed anchor ear includes the first anchor ear ontology and the second anchor ear ontology, and bottom is bolted by adjusting;The bottom end of first anchor ear ontology has been wholely set the first fixed part, and first fixed part one end extends to the side far from the second anchor ear ontology, and forms the first angle between the first anchor ear ontology;The bottom end of second anchor ear ontology has been wholely set the second fixed part, and second fixed part one end extends to the side far from the first anchor ear ontology, and forms the second angle between the second anchor ear ontology;Fixed bracket includes fixed frame and the first arc bracket positioned at fixed frame one end and the second arc bracket positioned at the fixed frame other end, and the curved opening of the first arc bracket and the second arc bracket is back to setting.The fixed device of water pump provided by the invention can greatly reduce the vibration that water pump generates in operation by the cooperation of hooping structure and supporting structure.

Description

A kind of fixed device of water pump and its fixing means
Technical field
The invention belongs to water system general water pump technique for fixing fields, and in particular to a kind of fixed device of water pump and its fixation side Method.
Background technique
Water pump is indispensable device in water system, and spiral shell is only bound or used to water pump by the fixation of conventional water pump Silk positioning or be not fixed and (directly fastened using the screw thread at water pump both ends), due to water pump among operational process itself blade The factors such as the resonance generated after vibration and water pump and fixture are fixed are easy so that water pump fixture nut (bolt) in vibration Loosening, further increase vibration, and the noise that generates of the vibration is bigger than normal also annoyings people, how to reduce water pump and running The vibration of middle generation, people are studying always.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of water pump for solving above-mentioned technical problem is solid Determine device.
In order to achieve the above-mentioned object of the invention, technical solution provided by the invention is as follows:
A kind of fixed device of water pump, including fixed anchor ear and fixed bracket;The fixed anchor ear includes symmetrically arranged The bottom of one anchor ear ontology and the second anchor ear ontology, the first anchor ear ontology and the second anchor ear ontology is connected by adjusting bolt It connects;The bottom end of the first anchor ear ontology has been wholely set the first fixed part, first fixed part not with first anchor ear One end of ontology connection extends to the side far from the second anchor ear ontology, and first fixed part and first anchor ear The first angle is formed between ontology;The bottom end of the second anchor ear ontology has been wholely set the second fixed part, and described second is fixed One end that portion is not connect with the second anchor ear ontology extends to the side far from the first anchor ear ontology, and described second is solid Determine to form the second angle between portion and the second anchor ear ontology;The fixed bracket include fixed frame and be located at fixed frame one end The first arc bracket and the second arc bracket positioned at the fixed frame other end, first fixed part not with first anchor ear One end of ontology connection is fixedly connected with one end of the fixed frame, and second fixed part does not connect with the second anchor ear ontology The one end connect is fixedly connected with the other end of the fixed frame, the curved opening of first arc bracket and the second arc bracket Back to setting, and there is spacing between first arc bracket and the second arc bracket, first arc bracket and Two arc brackets are wholely set with the fixed frame.
Preferably, one end of first arc bracket has been wholely set first connecting portion, and the other end is provided with the second company Socket part, one end that the first connecting portion is not connect with first arc bracket are wholely set with the fixed frame, and described One end that two interconnecting pieces are not connect with first arc bracket has been wholely set third fixed part;Second arc bracket One end has been wholely set third interconnecting piece, and the other end is provided with the 4th interconnecting piece, the third interconnecting piece not with second arc One end of shape bracket connection is wholely set with the fixed frame, and the four or two interconnecting piece is not connect with second arc bracket One end be wholely set the 4th fixed part.
Preferably, the first anchor ear ontology and the second anchor ear ontology are arc-shaped, and two arc-shaped opening phases To setting.
Preferably, it is recessed that identical with the first anchor ear body shape first is provided on the outside of the first anchor ear ontology Slot, first fixed part side opposite with first groove are provided with the second groove;First groove and described Two grooves are connected as one;Third identical with the second anchor ear body shape is provided on the outside of the second anchor ear ontology Groove, second fixed part side opposite with the third groove are provided with the 4th groove;The third groove and described 4th groove is connected as one.
Preferably, the fixed bracket is flexible fastening bracket, and the fixed anchor ear is elastic anchor ear, the fixed bracket Elasticity be greater than the fixed anchor ear elasticity.
Preferably, the fixed bracket is made by spring steel, the fixed anchor ear nylon moderate by plastics or hardness Material production.
Preferably, the fixed frame is fixed plate, and the arc bracket is arc panel.
Preferably, first fixed part and the second fixed part pass through bolt and connect with the fixed frame.
Preferably, the shape of first arc bracket and the second arc bracket is semicircular arc.
The fixed device of water pump provided by the invention, in use, the bottom end of arc bracket is fixed on fixed body, wherein Fixed body includes ground, the shell of equipment, platform of equipment etc., and then fixed anchor ear is stuck on the shell of water pump, adjusts and adjusts Section bolt locks anchor ear, and the vibration that water pump generates in the process of running can promote arc stent to generate elastic deformation To offset the vibration wave for vibrating generation in water pump operation, thus continual absorbing, vibration damping, buffering water pump operation in generate vibration It is dynamic;
Further, since the presence of angle a and angle b, during adjusting bolt locking, so that the first fixed part and the Between one anchor ear ontology, between the second fixed part and the second anchor ear ontology, between the first fixed part and the first arc bracket and Micro deformation is generated between second fixed part and the second arc bracket, which further prevents water pump from producing in the process of running Raw vibration.
In summary the fixed device of water pump provided by the invention, passes through the cooperation of hooping structure and supporting structure, Neng Gou great The big vibration for reducing water pump and generating in operation.
The present invention also provides a kind of water pump fixing means, this method uses the fixed device of above-mentioned water pump, comprising: step 1, the bottom end of arc bracket is fixed on fixed body, wherein fixed body include ground, the shell of equipment, equipment platform;Step Rapid 2, fixed anchor ear is stuck on the shell of water pump, adjusting bolt locks anchor ear.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the fixed device of water pump provided by the invention;
Fig. 2 is a kind of usage state diagram of the fixed device of water pump provided by the invention;
In figure, water pump 1, fixed anchor ear 2, the first anchor ear ontology 2-1, the first fixed part 2-11, the second fixed part 2-12, the One groove 2-13, the second groove 2-14, the second anchor ear ontology 2-2, adjust bolt 3, fixed frame 4-1, the first arc bracket 4-2, First connecting portion 4-21, second connecting portion 4-22, third fixed part 4-23, the second arc bracket 4-3, third interconnecting piece 4-31, 4th interconnecting piece 4-32, the 4th fixed part 4-33, the first angle a, the second angle b.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation The present invention will be further described for example.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to It is of the invention in limiting.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1-Fig. 2, the present invention provides a kind of fixed devices of water pump, including fixed anchor ear 2 and fixed bracket 4;Institute Stating fixed anchor ear includes symmetrically arranged first anchor ear ontology 2-1 and the second anchor ear ontology 2-2, the first anchor ear ontology and The bottom of two anchor ear ontologies is connected by adjusting bolt 3;The bottom end of the first anchor ear ontology has been wholely set the first fixed part 2-11, one end that first fixed part is not connect with the first anchor ear ontology to far from the second anchor ear ontology side Extend, and forms the first angle a between first fixed part and the first anchor ear ontology;The bottom of the second anchor ear ontology End has been wholely set the second fixed part 2-12, and one end that second fixed part is not connect with the second anchor ear ontology is to separate The side of the first anchor ear ontology extends, and forms the second angle between second fixed part and the second anchor ear ontology b;The fixed bracket include fixed frame 4-1 and positioned at fixed frame one end the first arc bracket 4-2 and be located at fixed frame it is another The second arc bracket 4-3 at end, one end and the fixed frame that first fixed part is not connect with the first anchor ear ontology One end be fixedly connected, one end that second fixed part is not connect with the second anchor ear ontology is another with the fixed frame End is fixedly connected, and the curved opening of first arc bracket and the second arc bracket is back to setting, and first arc There is spacing between shape bracket and the second arc bracket, in order to arc bracket deformation, first arc bracket and the second arc Bracket is wholely set with the fixed frame.
The fixed device of water pump provided by the invention, in use, referring to fig. 2, fixed body is fixed in the bottom end of arc bracket On, wherein fixed body includes ground, the shell of equipment, platform of equipment etc., then fixed anchor ear is stuck in the shell of water pump 1 On, adjusting bolt locks anchor ear, and the vibration that water pump generates in the process of running can promote arc stent to produce Raw elastic deformation is to offset the vibration wave for vibrating generation in water pump operation, thus continual absorbing, vibration damping, buffering water pump operation Middle generation vibration;
Further, since the presence of angle a and angle b, during adjusting bolt locking, so that the first fixed part and the Between one anchor ear ontology, between the second fixed part and the second anchor ear ontology, between the first fixed part and the first arc bracket and Micro deformation is generated between second fixed part and the second arc bracket, which further prevents water pump from producing in the process of running Raw vibration.
In summary the fixed device of water pump provided by the invention, passes through the cooperation of hooping structure and supporting structure, Neng Gou great The big vibration for reducing water pump and generating in operation.
In one embodiment, one end of first arc bracket has been wholely set first connecting portion 4-21, the other end It is provided with second connecting portion 4-22, one end that the first connecting portion is not connect with first arc bracket and the fixed frame It is wholely set, which deforms to arc bracket between the first arc bracket and fixed frame and provides space, so that Arc bracket can give full play to its vibration-damping function, one end one that the second connecting portion is not connect with first arc bracket Body is provided with third fixed part 4-23, the setting of third fixed part mean level, and for fixing with fixed body, fixed form can be with Using existing fixed form, for example welding, be threadedly coupled etc., in addition, third fixed part is horizontally disposed, be vertically arranged the One interconnecting piece forms 90 degree or so of angle, and during adjusting bolt locking, third fixed part and first connecting portion are generated Micro elastic deformation further increases the effectiveness in vibration suppression of the fixation device;One end of second arc bracket has been wholely set Third interconnecting piece 4-31, the other end are provided with the 4th interconnecting piece 4-32, the third interconnecting piece not with second arc bracket One end of connection is wholely set with the fixed frame, which gives arc between the first arc bracket and fixed frame Shape deformation of timbering provides space, and arc bracket is enabled to give full play to its vibration-damping function, the four or two interconnecting piece not with institute The one end for stating the connection of the second arc bracket has been wholely set the 4th fixed part 4-33, and the setting of the 4th fixed part mean level is used for It is fixed with fixed body, existing fixed form, such as welding, threaded connection etc. can be used in fixed form, and equally, the 4th is solid Determine the angle that portion is horizontally disposed, with 90 degree or so of second connecting portion formation being vertically arranged, during adjusting bolt locking, 4th fixed part and second connecting portion generate micro elastic deformation, further increase the effectiveness in vibration suppression of the fixation device.
Generally circular in cross section in view of the shell of water pump, therefore, the first anchor ear ontology and the second anchor ear ontology are circular arc Shape, and two arc-shaped openings are oppositely arranged, certainly, if there is other shapes of pump shell, the first anchor ear ontology and The shape of second anchor ear ontology should adapt to the shape of its pump shell.
In one embodiment, referring to fig. 2, it is provided on the outside of the first anchor ear ontology and the first anchor ear ontology The identical first groove 2-13 of shape, first fixed part side opposite with first groove are provided with the second groove 2- 14;First groove and second groove are connected as one;It is provided on the outside of the second anchor ear ontology and described The identical third groove of two anchor ear body shapes, second fixed part side opposite with the third groove are provided with the 4th Groove;The third groove and the 4th groove are connected as one.By the first groove of setting and the second groove, so that first Anchor ear ontology and the second anchor ear ontology guarantee the compressive resistance ability of anchor ear ontology in two sides formation reinforcing rib structure, meanwhile, it is intermediate Part forms relatively thin part, in order to which the shell of water pump radiates, prevents water pump cover in anchor ear position heat build-up, third is recessed Slot and the 4th groove can also assist the first groove and the second groove to radiate, and predominantly adjust bolt and provide the sky of installation and adjustment Between.
In one embodiment, the fixed bracket is flexible fastening bracket, and the fixed anchor ear is elastic anchor ear, described Support bracket fastened elasticity is greater than the elasticity of the fixed anchor ear, in this way, fixed bracket is as main damping means, anchor ear conduct The damping means of auxiliary, the division of labor are clear, it is ensured that the function of the fixation water pump of anchor ear.It is described solid as a kind of specific embodiment Fixed rack is made by spring steel, and the fixed anchor ear is made by the moderate nylon material of plastics or hardness.
In one embodiment, the fixed frame is fixed plate, and the arc bracket is arc panel.
In one embodiment, first fixed part and the second fixed part pass through bolt and connect with the fixed frame, This mode is easy to operate, in addition, can be fixed on the shell of water pump in fixed anchor ear when fixed frame is structure as a whole Afterwards, then by fixed frame with anchor ear it connect, during fastening adjustment bolt, fixed frame, which is squeezed, generates flexible deformation, the bullet Property the reaction force fixed part that prevents fixed frame to resist two anchor ear ontologies at both ends that generates of deformation prevent two anchor ear ontologies from Mobile to close direction, so as to prevent from adjusting, bolt is vibrated to fluff.
In one embodiment, the shape of first arc bracket and the second arc bracket is semicircular arc.
The present invention also provides a kind of water pump fixing means, this method uses the fixed device of above-mentioned water pump, comprising:
Step 1, the bottom end of arc bracket is fixed on fixed body, wherein fixed body include ground, equipment shell, The platform of equipment;
Step 2, fixed anchor ear is stuck on the shell of water pump, adjusting bolt locks anchor ear.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art, Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of fixed device of water pump, which is characterized in that including fixed anchor ear (2) and fixed bracket (4);
The fixed anchor ear includes symmetrically arranged first anchor ear ontology (2-1) and the second anchor ear ontology (2-2), and described first armful The bottom of ontology and the second anchor ear ontology is bound round by adjusting bolt (3) connection;
The bottom end of the first anchor ear ontology has been wholely set the first fixed part (2-11), and first fixed part is not with described One end of one anchor ear ontology connection extends to the side far from the second anchor ear ontology, and first fixed part and described the The first angle (a) is formed between one anchor ear ontology;
The bottom end of the second anchor ear ontology has been wholely set the second fixed part (2-12), and second fixed part is not with described One end of two anchor ear ontologies connection extends to the side far from the first anchor ear ontology, and second fixed part and described the The second angle (b) is formed between two anchor ear ontologies;
The fixed bracket include fixed frame (4-1) and positioned at fixed frame one end the first arc bracket (4-2) and be located at fix The second arc bracket (4-3) of the frame other end, one end and institute that first fixed part is not connect with the first anchor ear ontology The one end for stating fixed frame is fixedly connected, one end that second fixed part is not connect with the second anchor ear ontology and the fixation The other end of frame is fixedly connected, and the curved opening of first arc bracket and the second arc bracket is back to setting, and the institute Stating has spacing between the first arc bracket and the second arc bracket, first arc bracket and the second arc bracket with it is described solid Determine frame to be wholely set.
2. the fixed device of a kind of water pump according to claim 1, which is characterized in that one end one of first arc bracket Body is provided with first connecting portion (4-21), and the other end is provided with second connecting portion (4-22), the first connecting portion not with it is described First arc bracket connection one end be wholely set with the fixed frame, the second connecting portion not with first arc bracket One end of connection has been wholely set third fixed part 4-23);
One end of second arc bracket has been wholely set third interconnecting piece (4-31), and the other end is provided with the 4th interconnecting piece (4-32), one end that the third interconnecting piece is not connect with second arc bracket is wholely set with the fixed frame, described One end that four or two interconnecting piece is not connect with second arc bracket has been wholely set the 4th fixed part 4-33).
3. the fixed device of a kind of water pump according to claim 1, which is characterized in that the first anchor ear ontology and second armful It is arc-shaped for binding round ontology, and two arc-shaped openings are oppositely arranged.
4. the fixed device of a kind of water pump according to claim 3, which is characterized in that set on the outside of the first anchor ear ontology It is equipped with the first groove (2-13) identical with the first anchor ear body shape, first fixed part and the first groove phase Pair side be provided with the second groove (2-14);First groove and second groove are connected as one;
It is provided with third groove identical with the second anchor ear body shape on the outside of the second anchor ear ontology, described second The fixed part side opposite with the third groove is provided with the 4th groove;The third groove and the 4th groove are connected as One.
5. the fixed device of a kind of water pump according to claim 1, which is characterized in that the fixed bracket is flexible fastening branch Frame, the fixed anchor ear are elastic anchor ear, and the support bracket fastened elasticity is greater than the elasticity of the fixed anchor ear.
6. the fixed device of a kind of water pump according to claim 5, which is characterized in that the fixed bracket is made by spring steel , the fixed anchor ear is made by the moderate nylon material of plastics or hardness.
7. the fixed device of a kind of water pump according to claim 1, which is characterized in that the fixed frame is fixed plate, described Arc bracket is arc panel.
8. the fixed device of a kind of water pump according to claim 1, which is characterized in that first fixed part and second is fixed Portion passes through bolt and connect with the fixed frame.
9. the fixed device of a kind of water pump according to claim 1, which is characterized in that first arc bracket and the second arc The shape of shape bracket is semicircular arc.
10. a kind of water pump fixing means, which is characterized in that use the fixed device of the described in any item water pumps of claim 1-7, packet It includes:
Step 1, the bottom end of arc bracket is fixed on fixed body, wherein fixed body includes ground, the shell of equipment, equipment Platform;
Step 2, fixed anchor ear is stuck on the shell of water pump, adjusting bolt locks anchor ear.
CN201910668141.3A 2019-07-23 2019-07-23 A kind of fixed device of water pump and its fixing means Pending CN110307184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910668141.3A CN110307184A (en) 2019-07-23 2019-07-23 A kind of fixed device of water pump and its fixing means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910668141.3A CN110307184A (en) 2019-07-23 2019-07-23 A kind of fixed device of water pump and its fixing means

Publications (1)

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CN110307184A true CN110307184A (en) 2019-10-08

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CN201910668141.3A Pending CN110307184A (en) 2019-07-23 2019-07-23 A kind of fixed device of water pump and its fixing means

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CN (1) CN110307184A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1580567A (en) * 2003-07-30 2005-02-16 乐金电子(天津)电器有限公司 Fixing device of compressor liquid-storage cylinder
JP5752830B1 (en) * 2014-04-23 2015-07-22 株式会社ジャパンエコテック Small pump
CN206708072U (en) * 2017-04-21 2017-12-05 苏州工业园区驿力机车科技股份有限公司 A kind of water pump support
CN206874469U (en) * 2017-03-27 2018-01-12 上海蔚来汽车有限公司 Mounting bracket
CN207397862U (en) * 2017-07-25 2018-05-22 浙江金冠特种变压器有限公司 A kind of transformer damping anchor ear device
CN109578395A (en) * 2019-01-25 2019-04-05 天津市瑞隆禧钢铁有限公司 A kind of adaptable anchor ear
CN211009289U (en) * 2019-07-23 2020-07-14 江苏光芒新能源股份有限公司 Water pump fixing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1580567A (en) * 2003-07-30 2005-02-16 乐金电子(天津)电器有限公司 Fixing device of compressor liquid-storage cylinder
JP5752830B1 (en) * 2014-04-23 2015-07-22 株式会社ジャパンエコテック Small pump
CN206874469U (en) * 2017-03-27 2018-01-12 上海蔚来汽车有限公司 Mounting bracket
CN206708072U (en) * 2017-04-21 2017-12-05 苏州工业园区驿力机车科技股份有限公司 A kind of water pump support
CN207397862U (en) * 2017-07-25 2018-05-22 浙江金冠特种变压器有限公司 A kind of transformer damping anchor ear device
CN109578395A (en) * 2019-01-25 2019-04-05 天津市瑞隆禧钢铁有限公司 A kind of adaptable anchor ear
CN211009289U (en) * 2019-07-23 2020-07-14 江苏光芒新能源股份有限公司 Water pump fixing device

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