CN114987573A - Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle - Google Patents

Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle Download PDF

Info

Publication number
CN114987573A
CN114987573A CN202210615385.7A CN202210615385A CN114987573A CN 114987573 A CN114987573 A CN 114987573A CN 202210615385 A CN202210615385 A CN 202210615385A CN 114987573 A CN114987573 A CN 114987573A
Authority
CN
China
Prior art keywords
flaw detection
detection vehicle
self
arm
sides
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
CN202210615385.7A
Other languages
Chinese (zh)
Inventor
李岗
刘万胜
刘永
章罕
张涛
郭树辉
徐波林
毛贞超
张军
李涛
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.)
Hefei Chaoke Electronics Co ltd
Original Assignee
Hefei Chaoke Electronics 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 Hefei Chaoke Electronics Co ltd filed Critical Hefei Chaoke Electronics Co ltd
Priority to CN202210615385.7A priority Critical patent/CN114987573A/en
Publication of CN114987573A publication Critical patent/CN114987573A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way
    • B61K9/10Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/26Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0234Metals, e.g. steel

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The invention provides a balancing device of a manual single-rail flaw detection vehicle, which comprises two guide wheels respectively positioned at two sides of a rail, wherein the guide wheels are obliquely arranged on the side surface of the rail, the guide wheels are fixedly arranged below a self-lifting assembly, and the guide wheels at two sides have a tendency of approaching each other under the action of the self-lifting assembly. According to the invention, the guide wheels are arranged on the two sides of the steel rail to be matched with the steel rail, so that sliding friction is changed into rolling friction during walking, the difficulty of a manual cart is reduced, the guide wheels are driven to be close to each other through the self-lifting assembly, thus the manual cart is suitable for tracks with different specifications, pressure for pressing the guide wheels on the tracks can be provided, the flaw detection cart can be better kept above the steel rail, and the balance effect during flaw detection is ensured.

Description

Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle
Technical Field
The invention relates to the technical field of rail flaw detection, in particular to a balancing device of a manual single-rail flaw detection vehicle and the flaw detection vehicle.
Background
In the pushing process of the manual wheel type flaw detection vehicle, the phenomenon of left-right shaking can be generated, so that the flaw detection vehicle is not balanced in walking, the detection angle of the wheel type probe is influenced, and the detection result of the steel rail ultrasonic flaw detector is inaccurate. The invention patent with the publication number of CN103163220B discloses a balancing device of a manual wheel type flaw detection vehicle, but the balancing device is lapped on another steel rail through a balancing rod, and when the upper and lower rails are used for detection, the balancing rod needs to be folded and put down, which is very inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a balancing device of a single-rail wheel type flaw detection vehicle suitable for steel rails with different specifications and the flaw detection vehicle.
The invention solves the technical problems through the following technical scheme: the utility model provides a balancing unit of manual single track car of detecting a flaw, includes that two are located the leading wheel of track both sides respectively, the leading wheel slope sets up in the track side, leading wheel fixed mounting is in one from the below of carrying the subassembly, and the leading wheel of both sides has the trend that is close to each other under the effect of carrying the subassembly certainly.
According to the rail flaw detection vehicle, the guide wheels are arranged on the two sides of the rail and matched with the rail, sliding friction is changed into rolling friction during walking, the difficulty of the manual cart is reduced, the guide wheels are driven to be close to each other through the self-lifting assembly, so that the rail flaw detection vehicle is suitable for rails of different specifications, pressure for pressing the guide wheels on the rail can be provided, the flaw detection vehicle can be better kept above the rail, the flaw detection vehicle is prevented from shaking left and right during walking, and the balance of the flaw detection vehicle is guaranteed.
Preferably, the self-lifting assembly comprises a vertical arm fixedly arranged along the vertical direction and a swing arm hinged to and matched with the lower end of the vertical arm, the guide wheel is fixed below the outer side face of the swing arm, the swing arm can automatically rotate towards the inner side of the steel rail to be close to the vertical arm, and the axial direction of the guide wheel is tangent to the swing direction of the swing arm.
Preferably, the self-lifting assembly further comprises a pull-back spring, and two ends of the pull-back spring are respectively connected with one end, away from each other, of the vertical arm and the swing arm.
Preferably, the self-lifting assembly further comprises a torsion spring sleeved on a hinge shaft of the vertical arm and the swing arm, and the swing arm is driven by the torsion spring to rotate and fit with the vertical arm.
Preferably, the self-lifting assembly on one side is further provided with a locking plate fixedly connected with the vertical arm and the swinging arm, and the locking plate fixes an included angle between the swinging arm and the vertical arm.
Preferably, the device also comprises a fixing plate, and two vertical arms are respectively and fixedly arranged at two ends of the fixing plate; the outer sides of the two vertical arms are respectively provided with a fixed disc, and the fixed discs are rotatably arranged on the flaw detection vehicle.
Preferably, a connecting rod is arranged on the vertical arm, the fixed disk is coaxially fixed on the connecting rod, and a plurality of bolts fixedly connected with the vertical arm are arranged on the fixed disk along the circumferential direction; wherein a rotating handle is arranged on the fixed disk on one side.
The invention also provides a flaw detection vehicle which comprises a base, and a front travelling wheel and a rear travelling wheel which are arranged at the bottom of the base, wherein flaw detection wheels which rotate on a track are arranged on the base, two sides of each flaw detection wheel are respectively provided with a protective plate, at least one balancing device of the manual single-rail flaw detection vehicle is arranged in front of and behind the flaw detection wheels, a fixed disc is further arranged on the side surface of the self-lifting assembly, and the fixed discs on two sides of the balancing device are in rotating fit with the protective plates on two sides.
Preferably, the fixed disk on one side of the balancing device is further provided with a rotating handle, the rotating handle can rotate in a range vertical to the axial direction of the fixed disk and coaxial with the fixed disk, the periphery of the fixed disk provided with the rotating handle is provided with at least two clamping pieces, and when the rotating handle is rotationally clamped in the two clamping pieces, the guide wheels are respectively contacted with the steel rail or are positioned above the surface of the steel rail.
Preferably, the fixed disks on the two sides are positioned on the outer sides of the guard plates on the two sides and abut against the surfaces of the guard plates; the front traveling wheels and the rear traveling wheels are respectively provided with rims on different side surfaces, and gaps are formed between the rims and the side surfaces of the steel rails.
The balance device of the manual single-rail talking flaw detection vehicle and the flaw detection vehicle have the advantages that: the guide wheels are arranged on the two sides of the steel rail and matched with the steel rail, sliding friction is changed into rolling friction during walking, the difficulty of a manual cart is reduced, the guide wheels are driven to be close to each other through the self-lifting assembly, so that the manual cart is suitable for tracks of different specifications, pressure for pressing the guide wheels on the tracks can be provided, the flaw detection cart can be better kept above the steel rail, and the balance of the flaw detection cart is ensured; the flaw detection effect and the working efficiency of the flaw detection vehicle are obviously improved, the vertical arm and the swing arm are connected through the pull-back spring, the guide wheels are automatically tightened, the use is convenient, the height of the guide wheels can be conveniently adjusted through the arrangement of the rotating handle, and the obstacles are conveniently avoided.
Drawings
FIG. 1 is a schematic view of a balancing device of a manual monorail flaw detection vehicle provided by an embodiment of the present invention;
fig. 2 is a schematic view of a flaw detection vehicle according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1 and fig. 2, the present embodiment provides a balancing device for a manual monorail flaw detection vehicle, which includes two guide wheels 1 respectively located at two sides of a track, where the guide wheels 1 are obliquely disposed at a side surface of the track, the guide wheels 1 are fixedly mounted below a self-lifting assembly 2, and the guide wheels 1 at two sides have a tendency of approaching each other under the action of the self-lifting assembly 2.
This embodiment is through setting up leading wheel 1 in the rail both sides and coordinating with the rail, becomes rolling friction with sliding friction when the walking, reduces the degree of difficulty of manual shallow, orders about leading wheel 1 through carrying subassembly 2 from drawing and is close to each other to the track of adaptation different specifications can compress tightly the pressure on the track to leading wheel 1 in addition, makes the maintenance that the car can be better in the rail top, ensures the balanced effect when detecting a flaw.
Referring to fig. 1, the self-lifting assembly 2 includes a vertical arm 21 fixedly disposed along a vertical direction and a swing arm 22 in hinged fit with a lower end of the vertical arm 21, the guide wheel 1 is fixed below an outer side surface of the swing arm 22, the swing arm 22 can automatically rotate towards an inner side of a steel rail to be close to the vertical arm 21, an axial direction of the guide wheel 1 is tangential to a swing direction of the swing arm 22, and an axial direction of the guide wheel 1 is perpendicular to an outer surface of the swing arm 22 in this embodiment.
The self-lifting assembly 2 further comprises a pull-back spring 23, two ends of the pull-back spring 23 are respectively connected with one end, away from each other, of the vertical arm 21 and one end, away from each other, of the swinging arm 22, the swinging arm 22 is driven to be close to the vertical arm 21 through the pull-back spring 23, and when the self-lifting assembly is used, the contact between the guide wheel 1 and a steel rail is used for limiting, so that the pull-back spring 23 keeps an extending state, and pressure is provided for the steel rail. Further, a torsion spring (not shown) may be directly disposed on the rotation axis of the vertical arm 21 and the swing arm 22, and the torsion spring drives the swing arm 22 to rotate toward the vertical arm 21.
In this embodiment, the position of the guide wheel 1 is fixed by a locking plate 3 of the self-lifting assembly on one side, and only the position of the other side needs to be adjusted during installation, specifically, the locking plate 3 is respectively and fixedly connected with the vertical arm 21 and the swing arm 22 by bolts, so that the angle of the swing arm 22 relative to the vertical arm 21 is fixed.
The balancing device further comprises a fixing plate 4, two ends of the fixing plate 4 are respectively fixedly provided with one vertical arm 21, so that the guide wheels 1 on two sides can be adjusted in position and angle together through the fixing plate 4, and the locking plate 3 is fixedly connected with the fixing plate 4 through a bolt. The outer sides of the two vertical arms 21 are respectively provided with a fixed disc 5, and the fixed discs 5 are rotatably installed on the flaw detection vehicle, so that the guide wheels 1 can rotate above the steel rails, obstacles can be conveniently avoided, and the transportation and the transfer can be conveniently carried out when the vehicle does not work.
Specifically, a connecting rod 51 is arranged on the vertical arm 21, the fixed disk 5 is coaxially fixed on the connecting rod 51, and a plurality of bolts 52 fixedly connected with the vertical arm 21 are arranged on the fixed disk 5 along the circumferential direction; the fixed disc 5 on one side is also provided with a rotating handle 6, and the position of the guide wheel 1 can be rotationally adjusted by conveniently operating the balancing device through the rotating handle 6.
Referring to fig. 2, the present embodiment further provides a flaw detection vehicle using the balancing apparatus, including a base 71, and a front traveling wheel 72 and a rear traveling wheel 73 disposed at the bottom of the base 71, a flaw detection wheel 74 disposed on the base 71 and rotating on a track, two protection plates 75 disposed on two sides of the flaw detection wheel 74, one balancing apparatus disposed in front of and behind the flaw detection wheel 74, and fixing plates 5 on two sides of the balancing apparatus rotatably engaged with the protection plates 75 on two sides, respectively.
The twist grip 6 can lie in the axial verticality of fixed disk 5 and with the coaxial within range rotation of fixed disk 5, be provided with two at least clamping pieces 76 in the periphery of fixed disk 5 that is provided with twist grip 6 on the backplate 75, twist grip 6 can block respectively two in the clamping piece 76 to with balancing unit's rotational position locking, it is specific, twist grip 6 corresponds the position that leading wheel 1 and track contact respectively with two positions of clamping piece 76 complex and leading wheel 1 rotates and leaves orbital position. The clamping piece 76 is a reed type elastic clamp, the opening direction of the clamping piece is along the radial direction of the fixed disc 5, and the rotating handle 6 is directly rotated and pressed into the clamping piece 76.
The size of the fixed disk 5 on the two sides is slightly larger than the opening on the guard plate 75, and the fixed disk 5 is fixed on the outer side of the guard plate 75, so that the fixed disk 5 is limited by the axial abutting on the surface of the guard plate 75, and the balancing device is prevented from axially swinging on the flaw detection vehicle. The contact surface between the fixed disk 5 and the guard plate 75 may be an inclined surface, and the fixed plates 5 on both sides may be axially fixed to the guard plate 75 in cooperation therewith, or spacers abutting against the guard plate 75 may be respectively fixed to the outer sides of the fixed disks 5 on both sides.
The front traveling wheels 72 and the rear traveling wheels 73 are respectively provided with a rim 77 on different sides, the rims 77 have gaps with the sides of the steel rails, the traveling paths of the front traveling wheels 72 and the rear traveling wheels 73 can be limited through the rims 77, the large-range swinging of the front traveling wheels and the rear traveling wheels is prevented, and meanwhile, due to the existence of the gaps, the resistance to movement can be reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a balancing unit of manual single track car of detecting a flaw which characterized in that: the guide wheels are obliquely arranged on the side face of the track, the guide wheels are fixedly arranged below a self-lifting assembly, and the guide wheels on the two sides have the tendency of approaching each other under the action of the self-lifting assembly.
2. The balance device of the manual monorail flaw detection vehicle as defined in claim 1, wherein: the self-lifting assembly comprises a vertical arm fixedly arranged along the vertical direction and a swing arm in hinged fit with the lower end of the vertical arm, the guide wheel is fixed below the outer side face of the swing arm, the swing arm can automatically rotate towards the inner side of the steel rail to be close to the vertical arm, and the axial direction of the guide wheel is tangent to the swing direction of the swing arm.
3. The balance device of the manual monorail flaw detection vehicle as defined in claim 2, wherein: the self-lifting assembly further comprises a pull-back spring, and two ends of the pull-back spring are respectively connected with one end, away from each other, of the vertical arm and the swinging arm.
4. The balance device of the manual monorail flaw detection vehicle as defined in claim 2, wherein: and the self-lifting component further comprises a torsional spring sleeved on the hinged shaft of the vertical arm and the swinging arm, and the torsional spring drives the swinging arm to rotate and fit the vertical arm.
5. The balance device of the manual monorail flaw detection vehicle as defined in claim 2, wherein: the self-lifting component on one side is further provided with a locking plate fixedly connected with the vertical arm and the swinging arm, and the locking plate fixes an included angle between the swinging arm and the vertical arm.
6. The balance device of the manual monorail flaw detection vehicle as defined in claim 2, wherein: the fixing plate is characterized by also comprising a fixing plate, wherein two ends of the fixing plate are respectively and fixedly provided with a vertical arm; the outer sides of the two vertical arms are respectively provided with a fixed disc, and the fixed discs are rotatably installed on the flaw detection vehicle.
7. The balance device of a manual monorail flaw detection vehicle as defined in claim 6, wherein: the vertical arm is provided with a connecting rod, the fixed disc is coaxially fixed on the connecting rod, and a plurality of bolts fixedly connected with the vertical arm are arranged on the fixed disc along the circumferential direction; wherein a rotating handle is arranged on the fixed disk on one side.
8. The utility model provides a flaw detection car which characterized in that: the self-lifting type flaw detection vehicle comprises a base, a front traveling wheel and a rear traveling wheel, wherein the front traveling wheel and the rear traveling wheel are arranged at the bottom of the base, flaw detection wheels rotating on a rail are arranged on the base, protective plates are arranged on two sides of each flaw detection wheel respectively, at least one balancing device of the manual single-rail flaw detection vehicle as claimed in any one of claims 1 to 7 is arranged in front of and behind each flaw detection wheel respectively, a fixed disc is further arranged on the side surface of each self-lifting assembly, and the fixed discs on two sides of each balancing device are in running fit with the protective plates on two sides.
9. The flaw detection vehicle of claim 8, wherein: the fixed disk on one side of the balancing device is also provided with a rotating handle, the rotating handle can rotate in a range which is vertical to the axial direction of the fixed disk and coaxial with the fixed disk, the periphery of the fixed disk provided with the rotating handle is provided with at least two clamping pieces, and when the rotating handle is rotationally clamped in the two clamping pieces, the guide wheels are respectively contacted with the steel rail or are positioned above the surface of the steel rail.
10. The flaw detection vehicle of claim 8, wherein: the fixed disks on the two sides are positioned on the outer sides of the guard plates on the two sides and are abutted against the surfaces of the guard plates; the front traveling wheels and the rear traveling wheels are respectively provided with rims on different side surfaces, and gaps are formed between the rims and the side surfaces of the steel rails.
CN202210615385.7A 2022-06-01 2022-06-01 Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle Pending CN114987573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210615385.7A CN114987573A (en) 2022-06-01 2022-06-01 Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210615385.7A CN114987573A (en) 2022-06-01 2022-06-01 Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle

Publications (1)

Publication Number Publication Date
CN114987573A true CN114987573A (en) 2022-09-02

Family

ID=83031613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210615385.7A Pending CN114987573A (en) 2022-06-01 2022-06-01 Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle

Country Status (1)

Country Link
CN (1) CN114987573A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183349A (en) * 1999-12-24 2001-07-06 Railway Technical Res Inst Ultrasonic rail head transverse cracking flaw-detecting device and method
KR20120104654A (en) * 2011-03-14 2012-09-24 권승자 Guide wheel unit of mono rail for y type
KR20150012177A (en) * 2013-07-24 2015-02-03 한국철도기술연구원 bogie structure of Y-type monorail vehicle
US20160282314A1 (en) * 2015-03-23 2016-09-29 Nordco Inc. Walk-behind rail condition monitoring apparatus
JP2019007866A (en) * 2017-06-26 2019-01-17 日鉄住金テックスエンジ株式会社 Rail flaw detection device
CN113696917A (en) * 2021-08-27 2021-11-26 中铁二十局集团有限公司 Flaw detection vehicle
CN216484783U (en) * 2021-10-21 2022-05-10 张晓春 Steel rail ultrasonic flaw detection device capable of preventing walking and side turning

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183349A (en) * 1999-12-24 2001-07-06 Railway Technical Res Inst Ultrasonic rail head transverse cracking flaw-detecting device and method
KR20120104654A (en) * 2011-03-14 2012-09-24 권승자 Guide wheel unit of mono rail for y type
KR20150012177A (en) * 2013-07-24 2015-02-03 한국철도기술연구원 bogie structure of Y-type monorail vehicle
US20160282314A1 (en) * 2015-03-23 2016-09-29 Nordco Inc. Walk-behind rail condition monitoring apparatus
JP2019007866A (en) * 2017-06-26 2019-01-17 日鉄住金テックスエンジ株式会社 Rail flaw detection device
CN113696917A (en) * 2021-08-27 2021-11-26 中铁二十局集团有限公司 Flaw detection vehicle
CN216484783U (en) * 2021-10-21 2022-05-10 张晓春 Steel rail ultrasonic flaw detection device capable of preventing walking and side turning

Similar Documents

Publication Publication Date Title
CN114987573A (en) Balancing device of manual single-rail wheel type flaw detection vehicle and flaw detection vehicle
CN106584222A (en) Tire tread polishing device for automobile tire
CN111231572B (en) Wheel for automatic control of speed of hand-pulling forklift
CN112924314A (en) Automobile tire wear test contrast device
JPH0417605Y2 (en)
CN216503865U (en) Knife sharpener with shock-absorbing function
CN114378668A (en) Internal adaptable type chamfering and edge grinding wheel
CN214067185U (en) Centrifuge rotational speed detection device
CN112247785B (en) U-shaped rib edge polishing equipment
CN214882652U (en) Grinding wheel holding mechanism with adjustable rail web rust removal
CN220719061U (en) Clamping mechanism for manufacturing wheel-set
CN106476844B (en) It detects a flaw automobile-used wheel and inspection car
CN214445114U (en) Grinder for bearing convenient to change
CN211292019U (en) Fixing device for automobile tire detection
US5125187A (en) Mounted non-directional rotor finishing device
CN214237413U (en) Accurate heavy-duty car through shaft surface grinding device of concentric positioning
CN216877813U (en) Anti-skid device for wheel type transmission revolving horse
CN214666141U (en) Hydrogen fluoride production steam condensate water recycle device
CN210757044U (en) Gauge block mouth removing device
CN219444706U (en) Polishing device for producing hub forging
CN113832896B (en) Municipal administration sanitation car cleaning device
CN211841415U (en) Window frame surface grinding device of bridge cut-off aluminium door and window production usefulness
CN217953741U (en) Brake block detection device
CN214161275U (en) Protection type spin riveting machine
CN221159703U (en) Stainless steel pipe grinding device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination