CN208583704U - A kind of engine cylinder body cleaning equipment - Google Patents

A kind of engine cylinder body cleaning equipment Download PDF

Info

Publication number
CN208583704U
CN208583704U CN201820786303.4U CN201820786303U CN208583704U CN 208583704 U CN208583704 U CN 208583704U CN 201820786303 U CN201820786303 U CN 201820786303U CN 208583704 U CN208583704 U CN 208583704U
Authority
CN
China
Prior art keywords
cylinder body
engine cylinder
rotating bezel
shaft
fixture stand
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.)
Expired - Fee Related
Application number
CN201820786303.4U
Other languages
Chinese (zh)
Inventor
孙湘辉
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.)
Shenzhen Tian Zheng Long Technology Co Ltd
Original Assignee
Shenzhen Tian Zheng Long Technology 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 Shenzhen Tian Zheng Long Technology Co Ltd filed Critical Shenzhen Tian Zheng Long Technology Co Ltd
Priority to CN201820786303.4U priority Critical patent/CN208583704U/en
Application granted granted Critical
Publication of CN208583704U publication Critical patent/CN208583704U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

The utility model discloses be related to a kind of engine cylinder body cleaning equipment in engine washing techniques field, it include: purge chamber, it is set to the indoor conveyer belt conveyer of cleaning, the clamp assembly being installed on the belt of the conveyer belt conveyer, and be set on two inner sidewall of purge chamber, the cleaning part for cleaning engine cylinder body;It is characterized in that, the clamp assembly includes: the fixture stand being fixed on the conveyer belt conveyer;The first runner assembly that is installed in the fixture stand, can be rotated relative to the fixture stand;And the second turning discreteness that is installed on first runner assembly, can be rotated relative to first runner assembly.It is rotated by the first runner assembly relative to fixture stand, the second turning discreteness is rotated relative to the first runner assembly, is cleaned comprehensively convenient for engine cylinder body progress, keeps the cleaning effect of engine cylinder body good.

Description

A kind of engine cylinder body cleaning equipment
Technical field
The utility model relates to engine washing techniques field more particularly to a kind of engine cylinder body cleaning equipments.
Background technique
With the development of automobile industry, requirement of the people to automobile production manufacturing procedure is also higher and higher.Wherein automobile is sent out Motivation cylinder body is the part that structure is most complicated in engine, and the height of cleannes is directly related to the quality water of engine entirety It is flat.So the cleannes of engine cylinder body become automobile industry and are badly in need of raising.
The Chinese patent of Publication No. CN206124320U discloses cleaning device between a kind of compressor casing sequence, packet at present Bracket, work nest, draw back plate, cylinder, protective cover and cleaning sprayer are included, cylinder body is mainly sent into closed protection by pull-push piece In cover, workpiece is cleaned using cleaning sprayer.But due to engine cylinder body fixed placement on bracket direct hydro-peening, lead Cause engine cylinder body that can not clean comprehensively, cleaning effect is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of cleanings of engine cylinder body to set It is standby, there is the advantage that cleaning, cleaning effect are good comprehensively.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of engine cylinder body cleaning equipment, comprising: purge chamber is set to the indoor conveyer belt conveyer of cleaning, The clamp assemblies being installed on the belt of the conveyer belt conveyer, and be set on two inner sidewall of purge chamber, be used for Clean the cleaning part of engine cylinder body;It is characterized in that, the clamp assemblies include: to be fixed on the conveyer belt conveyer Fixture stand;The first runner assembly that is installed in the fixture stand, can be rotated relative to the fixture stand;And it is installed on institute The second turning discreteness stated on the first runner assembly, can rotated relative to first runner assembly.
By using above-mentioned technical proposal, after the second turning discreteness clamps engine cylinder body, conveyer belt conveyer is driven Runner assembly in fixture stand is sent into purge chamber, is cleaned to engine cylinder body on runner assembly, is passed through the first rotating group Part relative to fixture stand rotate clean, the second turning discreteness relative to first assembly rotate clean, be conducive to engine cylinder body into The comprehensive cleaning of row, improves the cleaning effect of entire engine cylinder body.
Further: mounting hole is provided in the fixture stand, first runner assembly includes: rotating bezel, one end peace In mounting hole loaded on the fixture stand, the other end is fixedly installed on the rotating bezel and can move synchronously with the rotating bezel First rotating shaft, be fixedly installed on the fixture stand outer wall, for drive the first rotating shaft it is rotatable around its axis first Motor;The second turning discreteness include: be installed in the rotating bezel and the rotating bezel institute planar always with institute State the second shaft that first rotating shaft is vertical, can rotate relative to the rotating bezel;It is fixedly installed in outside rotating bezel, for driving The second motor that second shaft is rotated relative to the rotating bezel;And be set in second shaft, for clamping The clamp assemblies of engine cylinder body.
By using above-mentioned technical proposal, first rotating shaft rotation is driven by first motor, and then drive rotating bezel opposite It is rotated in fixture stand, the second motor drives the rotation of the second shaft, and then clamp assemblies is driven to relatively rotate frame rotation, is conducive to send out Engine cylinder body can rotate comprehensively in purge chamber, and engine cylinder body is made clean without dead angle.
Further: the clamp assemblies include: the two-way spiral shell being installed in second shaft far from rotating bezel one end Bar;Thread bush is set to the two clamping plates at the reverse-flighted screw both ends respectively;Two pieces of clamping plates close to each other can be started with clamping Machine cylinder body is located remotely from each other to discharge engine cylinder body;Be installed on two pieces of clamping plates far from reverse-flighted screw one end, For pushing against the abutting part of engine cylinder body.
By using above-mentioned technical proposal, two clamping plates are socketed on the both ends of reverse-flighted screw respectively, and clamping plate is around reverse-flighted screw Axial rotation keeps two clamping plates close to each other to clamp engine cylinder body, is conducive to be carried out according to different size of engine cylinder body The adjusting of distance between two clamping plates, meanwhile, the setting of part is pushed against, the more fastening for clamping engine cylinder body.
Further: the abutting part is plum blossom rubber head bolt.
By using above-mentioned technical proposal, the setting of plum blossom rubber head bolt is convenient for holding with a firm grip to facilitate force, in order to carry out The fastening of engine cylinder body.
Further: offering the first thread groove on the lateral wall of the fixture stand, is covered in the first motor One waterproof cover, first waterproof cover, which protrudes above, is provided with the first threaded post, and first threaded post is used for and first spiral shell Groove assembly;The second thread groove is offered on the rotating bezel lateral wall, and the second waterproof cover, institute are covered on second motor It states the second waterproof cover and protrudes above and be provided with the second threaded post, second threaded post is used for and second thread groove assembles.
By using above-mentioned technical proposal, the setting of the first waterproof cover and the second waterproof cover is mainly to first motor and second Motor carries out waterproofing protection, meanwhile, the screw thread of the first waterproof cover and the first thread groove is installed, the second waterproof cover and the second thread groove Screw thread installation, the first waterproof cover and the second waterproof cover can be dismantled, to facilitate the maintenance of first motor Yu the second motor, drop Low maintenance cost.
Further: the first waterproof washer is provided between first waterproof cover and the first thread groove, described second is anti- The second waterproof washer is placed between water cover and the second thread groove.
By using above-mentioned technical proposal, the setting of the first washer and second packing ring improves the first waterproof cover and second The waterproof performance of waterproof cover prevents first motor and the second motor to be infected with to water and causes Damage by Short Circuit.
Further: the fixture stand, which is equipped on the side wall of first rotating shaft, is provided with the first axle sleeve, the rotating bezel peace The second axle sleeve is provided on side wall equipped with the second shaft.
By using above-mentioned technical proposal, the first axle sleeve is installed on fixture stand side wall, increases the contact of first rotating shaft Area, damage when reducing first rotating shaft rotation to fixture stand.The setting of second axle sleeve also increases the contact surface of the second shaft Product reduces damage of the second shaft rotation to rotating bezel.Meanwhile first axle sleeve and the second axle sleeve setting be beneficial to prevent water from The gap of first rotating shaft and the second shaft incoming end is flowed into first motor and the second motor.
Further: the inner surface of first axle sleeve and second axle sleeve is all equipped with waterproof membrane.
By using above-mentioned technical proposal, the laying of waterproof membrane, the water that isolation cleaning part sprays passes through first rotating shaft and the Two shafts enter in first motor and the second motor, improve entire first axle sleeve, the second axle sleeve, the first waterproof cover and second The waterproof performance of waterproof cover.
In conclusion the utility model has the following beneficial effects:
1, the first runner assembly is rotated relative to fixture stand, and the second turning discreteness rotates relative to the first runner assembly, adds The big cleaning area of engine cylinder body, improves the cleaning effect of engine cylinder body;
2, the first waterproof cover screw thread is installed on fixture stand side wall, and also screw thread is installed on the side wall of rotating bezel to the second waterproof cover On, it has prevented water from flowing at first motor and the second motor and has caused short circuit, meanwhile, the first waterproof cover and second are convenient in screw thread installation The disassembly of waterproof cover reduces maintenance cost convenient for the maintenance of first motor and the second motor;
3, the setting of clamp assemblies is conducive to for engine cylinder body being securedly mounted in rotating bezel, to be cleaned comprehensively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment;
Fig. 2 is the explosive view of the present embodiment;
Fig. 3 is the structural schematic diagram of runner assembly in the present embodiment.
Appended drawing reference: 1, purge chamber;2, cleaning part;3, conveyer belt conveyer;31, elongated slot;4, fixture stand;41, the first spiral shell Groove;42, mounting hole;5, the first runner assembly;51, rotating bezel;511, the second thread groove;52, first rotating shaft;521, first axle Set;53, first motor;54, the first waterproof cover;541, the first waterproof washer;542, the first threaded post;6, the second turning discreteness; 61, the second shaft;611, the second axle sleeve;62, clamp assemblies;621, reverse-flighted screw;622, clamping plate;623, part is pushed against;624, spiral shell Line set;625, threaded hole;63, the second motor;631, the second waterproof washer;64, the second waterproof cover;641, the second threaded post.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only It will be in the scope of the claims of the utility model all by the protection of Patent Law.
The present embodiment is related to a kind of engine cylinder body cleaning equipment, as shown in Figure 1, including purge chamber 1, the two of purge chamber 1 Cleaning part 2 is installed, and the bottom surface in purge chamber 1 is equipped with conveyer belt conveyer 3, opens on conveyer belt conveyer 3 on inner sidewall Equipped with elongated slot 31, it is connected with fixture stand 4 in elongated slot 31, the first rotation that can be rotated relative to fixture stand 4 is installed in fixture stand 4 Component 5 is equipped with the second turning discreteness 6 that can be rotated relative to the first runner assembly 5 on first runner assembly 5.Be conducive to One runner assembly 5 rotates cleaning engine cylinder body relative to fixture stand 4, then by the second turning discreteness 6 relative to the first rotation The rotation cleaning engine cylinder body of component 5.
As shown in Fig. 2, the first runner assembly 5 includes: rotating bezel 51, first rotating shaft 52, first motor 53.Fixture stand 4 The first thread groove 41 is offered on lateral wall, the first waterproof cover 54 is installed in first thread groove 41, and the first waterproof cover 54 is convex It is provided with the first threaded post 542 out, 542 rotating dress of the first threaded post matches the first thread groove 41, to realize the first waterproof cover 54 It fastens or dismantles with the first thread groove 41.First motor 53, and the first waterproof cover 54 and first are placed in first waterproof cover 54 It is equipped with the first waterproof washer 541 between thread groove 41, reinforces the waterproof performance of the first waterproof cover 54.It is opened on the side wall of fixture stand 4 Equipped with mounting hole 42, mounting hole 42 is located in the first thread groove 41.52 one end of first rotating shaft is installed in mounting hole 42, the other end It is installed on rotating bezel 51 and rotates and rotate with rotating bezel 51.The side wall connecting in first rotating shaft 52 with fixture stand 4 passes through spiral shell Nail is fixed with the first axle sleeve 521, and the first axle sleeve 521 is socketed on first rotating shaft 52, is equipped with waterproof on the inner wall of the first axle sleeve 521 Film so that the water for preventing cleaning part 2 to spray is entered in the first waterproof cover 54 by the first axle sleeve 521, and then leads to the first electricity The phenomenon that machine 53 damages.52 other end of first rotating shaft is fixedly installed with rotating bezel 51, convenient for first rotating shaft 52 in first motor 53 Driving under drive 51 opposed jaw frame 4 of rotating bezel rotation.
The second turning discreteness 6 includes: the second shaft 61, clamp assemblies 62, the second motor 63, is opened on the side wall of rotating bezel 51 Equipped with the second thread groove 511, the second waterproof cover 64 is installed in second thread groove 511, the second waterproof cover 64, which protrudes above, to be provided with Second threaded post 641,641 rotating dress of the second threaded post realize the fastening of the second waterproof cover 64 or disassembly assigned in the second waterproof cover 64 In the second thread groove 511.Pad is equipped with the second waterproof washer 631 between second waterproof cover 64 and the second thread groove 511, to reach It prevents water from flowing into the purpose in the second waterproof cover 64, improves the waterproof performance of the second waterproof cover 64.Peace in second waterproof cover 64 Equipped with the second motor 63, the second motor 63 is rotatably connected to remains vertical second turn with first rotating shaft 52 in the horizontal plane Axis 61, in cleaning, the second shaft 61 drives engine cylinder body to relatively rotate frame 51 and rotates, thus the cleaning to engine cylinder body More comprehensively.Second shaft 61 passes through the second waterproof washer 631 and partially stretches out the inner sidewall of rotating bezel 51, in the second shaft 61 The one end for stretching out 51 inner sidewall of rotating bezel is connected with clamp assemblies 62, is convenient for fixed clamp engine cylinder body.Rotating bezel 51 it is interior The second axle sleeve 611 is equipped with by screw on side wall, the second axle sleeve 611 is socketed on the second shaft 61.The setting of second shaft 61 It avoids the second shaft 61 directly to contact with rotating bezel, to reduce the damage that the rotation of the second shaft 61 causes rotating bezel 51. Waterproof membrane is equipped in second axle sleeve 611, waterproof membrane wraps up first rotating shaft 52, so that water for cleaning be prevented to pass through the first axle sleeve 521 the phenomenon that entering in the second waterproof cover 64, causing the damage of the second motor 63.Meanwhile second axle sleeve 611 setting it is advantageous In preventing water to be flowed into the second motor 63 from the gap of 611 incoming end of the second shaft.
As shown in figure 3, clamp assemblies 62 include: reverse-flighted screw 621, clamping plate 622, push against part 623, reverse-flighted screw 621 is solid Dingan County is loaded on second one end of shaft 61 far from rotating bezel 51, is connected with thread bush 624, two thread bush on clamping plate 622 624 are socketed on both ends on reverse-flighted screw 621 respectively.When clamping or discharging engine cylinder body, by rotation thread bush 624 to adjust The distance between two thread bush 624 are saved, and the screw thread of reverse-flighted screw 621 on pair is thinner, if clamping plate 622, which contradicts, arrives engine cylinder Body side surface, thread bush 624 can retract circle rotation abutting part 623 and carry out clamping engine cylinder body.And clamping plate 622 is far from thread bush 624 one end offers threaded hole 625, pushes against the rotational installation of part 623 in threaded hole 625, by pushing against the fastening hair of part 623 Motivation cylinder body.The bottom for pushing against part 623 is equipped with iron plate, and the surface of iron plate is fixedly installed with rubber cotton, and rubber cotton is for reducing Damage when pushing against 623 rotational fastener of part to engine cylinder body surface.Pushing against part 623 in the present embodiment is plum blossom rubber head spiral shell Bolt can push against part for lifting lug in other embodiments, countersunk head class pushes against part etc..Plum blossom rubber head bolt is to increase manpower and push against The frictional force of part 623 pushes against 623 rotational fastener engine cylinder body of part convenient for holding with a firm grip.
The principle of the present embodiment is as described below: when carrying out engine cylinder body cleaning, it is defeated that fixture stand 4 being connected in conveyer belt Send on the elongated slot 31 on machine 3, adjust the distance between 621 both ends thread bush 624 of bidirectional helical bar, make clamping plate 622 clamp to The engine cylinder body of cleaning, rotation pushes against part 623 and pushes against engine cylinder body to be cleaned, to complete engine cylinder body to be cleaned Fastening clamp.It drives conveyer belt conveyer 3 mobile by the motor on conveyer belt conveyer 3, and then fixture stand 4 is driven to enter In purge chamber 1, while the cleaning part 2 being arranged on 1 liang of purge chamber inner sidewall starts to spray water, thus to the clear of engine cylinder body It washes.First motor 53 drives first rotating shaft 52 to rotate first, and then by the engine cylinder body opposed jaw in entire rotating bezel 51 4 rotary-cleaning of frame, after mobile a distance, first motor 53 stops, and the starting of the second motor 63 drives the second shaft 61 to transport turn, Engine cylinder body is set to relatively rotate 51 turn of frame cleaning.Keep engine cylinder body comprehensively clear by two taking turns starting for motor It washes, improves the cleaning effect of engine cylinder body.

Claims (8)

1. a kind of engine cylinder body cleaning equipment, comprising: purge chamber (1), the conveyer belt conveying being set in the purge chamber (1) Machine (3), the clamp assembly being installed on the belt of the conveyer belt conveyer (3), and be set in the purge chamber (1) two Cleaning part (2) on side wall, for cleaning engine cylinder body;It is characterized in that, the clamp assembly includes:
The fixture stand (4) being fixed on the conveyer belt conveyer (3);
The first runner assembly (5) that is installed on the fixture stand (4), can be rotated relative to the fixture stand (4);And
The second turning discreteness that is installed on first runner assembly (5), can be rotated relative to first runner assembly (5) (6)。
2. a kind of engine cylinder body cleaning equipment according to claim 1, which is characterized in that be provided in the fixture stand Mounting hole (42), first runner assembly (5) include:
Rotating bezel (51),
One end is installed in the mounting hole (42) of the fixture stand (4), the other end is fixedly installed on the rotating bezel (51) simultaneously Can with the first rotating shaft (52) that the rotating bezel (51) move synchronously,
Be fixedly installed on the fixture stand (4) outer wall, for drive the first rotating shaft (52) it is rotatable around its axis first Motor (53);
The second turning discreteness (6) includes:
Be installed in the rotating bezel (51) and the rotating bezel (51) institute planar always with the first rotating shaft (52) The second shaft (61) that is vertical, being rotated relative to the rotating bezel (51);
Be fixedly installed in rotating bezel (51) outside, for driving second shaft (61) to rotate relative to the rotating bezel (51) Second motor (63);And
It is set on second shaft (61), for clamping the clamp assemblies (62) of engine cylinder body.
3. a kind of engine cylinder body cleaning equipment according to claim 2, which is characterized in that clamp assemblies (62) packet It includes:
It is installed on the reverse-flighted screw (621) on second shaft (61) far from rotating bezel (51) one end;
Thread bush is set to the two clamping plates (622) at the reverse-flighted screw (621) both ends respectively, and two pieces of clamping plates (622) can phase Mutually close to clamp engine cylinder body or be located remotely from each other to discharge engine cylinder body;
It is installed on the one end of reverse-flighted screw (621) separate on the described two pieces clamping plates (622), for pushing against engine cylinder body It pushes against part (623).
4. a kind of engine cylinder body cleaning equipment according to claim 3, which is characterized in that the abutting part (623) is Plum blossom rubber head bolt.
5. a kind of engine cylinder body cleaning equipment according to any one of claim 2-4, which is characterized in that the fixture It is offered on the lateral wall of frame (4) the first thread groove (41), is covered with the first waterproof cover (54), institute on the first motor (53) It states the first waterproof cover (54) and protrudes above and be provided with the first threaded post (542), first threaded post (542) is used for and described first Thread groove (41) assembly;
It is offered the second thread groove (511) on the lateral wall of the rotating bezel (51), is covered on second motor (63) Two waterproof covers (64), second waterproof cover (64), which protrudes above, to be provided with the second threaded post (641), second threaded post (641) for being assembled with second thread groove (511).
6. a kind of engine cylinder body cleaning equipment according to claim 5, which is characterized in that first waterproof cover (54) It is provided between the first thread groove (41) the first waterproof washer (541), second waterproof cover (64) and the second thread groove (511) set is placed with the second waterproof washer (631) between.
7. a kind of engine cylinder body cleaning equipment according to claim 6, which is characterized in that fixture stand (4) installation It is provided on the side wall for having first rotating shaft (52) the first axle sleeve (521), the rotating bezel (51) is equipped with the second shaft (61) The second axle sleeve (611) are provided on side wall.
8. a kind of engine cylinder body cleaning equipment according to claim 7, which is characterized in that first axle sleeve (521) Waterproof membrane is all equipped with the inner surface of second axle sleeve (611).
CN201820786303.4U 2018-05-24 2018-05-24 A kind of engine cylinder body cleaning equipment Expired - Fee Related CN208583704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820786303.4U CN208583704U (en) 2018-05-24 2018-05-24 A kind of engine cylinder body cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820786303.4U CN208583704U (en) 2018-05-24 2018-05-24 A kind of engine cylinder body cleaning equipment

Publications (1)

Publication Number Publication Date
CN208583704U true CN208583704U (en) 2019-03-08

Family

ID=65534161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820786303.4U Expired - Fee Related CN208583704U (en) 2018-05-24 2018-05-24 A kind of engine cylinder body cleaning equipment

Country Status (1)

Country Link
CN (1) CN208583704U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112317452A (en) * 2020-10-16 2021-02-05 苏州鸿渺智能科技有限公司 Industrial robot cleaning equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112317452A (en) * 2020-10-16 2021-02-05 苏州鸿渺智能科技有限公司 Industrial robot cleaning equipment

Similar Documents

Publication Publication Date Title
CN208583704U (en) A kind of engine cylinder body cleaning equipment
CN111774223A (en) Mildew-proof and corrosion-proof spraying device for wicker products and using method thereof
CN112090662A (en) Surface paint spraying device for processing baseball bats
CN208727810U (en) Spray-painting plant is used in a kind of maintenance of charge station
CN210450026U (en) Cable surface cleaning device capable of being tensioned
CN109028776A (en) A kind of bolt processing Rapid Cleaning and drying unit
CN207770127U (en) A kind of gate valve surface spraying device
CN208100170U (en) Clamping device is used in a kind of detection of spindle processing
CN107974981B (en) A kind of improved bridge maintenance device
CN113532076A (en) Wood working intelligence drying device
CN107363001B (en) Glass washing device
CN208543322U (en) A kind of nut burnishing device
CN208574823U (en) A kind of transfer of racket spraying
CN209533106U (en) Grinding device is used in a kind of production of wood furniture
CN209362799U (en) Casing automatic paint spraying apparatus
CN209613328U (en) Surface processing device is used in a kind of production of slider of zipper fastener
CN209363131U (en) A kind of Chinese medicine swing type medicine-washing machine
CN208134651U (en) One kind can the anti-remaining security protection unmanned plane shell cleaning device of cleaning trace
CN206881990U (en) Spray-painting plant
CN207206108U (en) Seamless steel pipe rust remover
CN104999415B (en) Stud assembly and disassembly tool
CN204059233U (en) Access barrier gate device
CN208032099U (en) A kind of cleaning device of wrapping tool and filter core
CN207525683U (en) A kind of Cleaning vehicle for guardrail
CN209203204U (en) A kind of vamp cleaning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190308

Termination date: 20210524

CF01 Termination of patent right due to non-payment of annual fee