CN209619793U - A kind of movable type road-metal spreading machine - Google Patents

A kind of movable type road-metal spreading machine Download PDF

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Publication number
CN209619793U
CN209619793U CN201920122173.9U CN201920122173U CN209619793U CN 209619793 U CN209619793 U CN 209619793U CN 201920122173 U CN201920122173 U CN 201920122173U CN 209619793 U CN209619793 U CN 209619793U
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CN
China
Prior art keywords
bunker
screw rod
support
movable type
distributor
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
CN201920122173.9U
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Chinese (zh)
Inventor
李娜
曹支才
尹亮
付宏伟
张东省
韩微微
徐希娟
贾德生
李晓娟
张名成
周新锋
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Xian Highway Research Institute
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Xian Highway Research Institute
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Priority to CN201920122173.9U priority Critical patent/CN209619793U/en
Application granted granted Critical
Publication of CN209619793U publication Critical patent/CN209619793U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of mobile road-metal spreading machines, comprising: bracket, guide rail and distributor;Wherein, guide rail is horizontally arranged between bracket;Distributor is entered on guide rail by sliding equipment slidable fit;Distributor includes fixed frame, bunker, spreading roller and first motor;Bunker is provided on fixed frame, the bottom end of bunker is provided with control discharging device, and the upper end of bunker is provided with sliding equipment;Spreading roller, the output axis connection that the shaft of spreading roller passes through intermeshing bevel gear and first motor are provided with below bunker.The movable type road-metal spreading machine structure is simple, pass through the mutual cooperation of master palette and tuning plate, the spreading amount of building stones can be controlled according to actual needs, while can adjust the position of distributor by the second driving motor and sliding equipment, improve the spreading efficiency of bridge deck pavement rubble, high degree of automation, it is easy to use, time saving and energy saving, reliable operation, it is cheap, it suits large area to popularize.

Description

A kind of movable type road-metal spreading machine
Technical field
The utility model relates to Deck Concrete Pavements to build device field, and in particular to a kind of movable type crushed stone spreading Machine.
Background technique
Recently as the fast development of China's high speed, so that highway bridge is largely built.However bridge is using In the process, the problem of exposed, also becomes increasingly conspicuous, for example, with the increase of the service life, bridge deck pavement and bridge structure The defect itself appeared in use is increasingly apparent.The Moisture Damage problem on bridge top increasingly causes bridge work The attention of author.Moisture Damage has become most noticeable earlier period damage after highway is open to traffic at present, and many high speeds in China are public Road, especially rainy humid area Moisture Damage are more prominent.Wherein, the bridge surface mangle due to caused by bridge deck water-proof defect is the most Seriously.It mainly include opposite due to caused by bridge deck pavement and beam body, water-proof tack coat and bitumen layer cohesive force deficiency cut Cut sliding, cracking, delamination and the loose and pit-hole phenomenon as caused by washing away after rainwater infiltration in flowing pressure.In addition, by Beam body is penetrated into rainwater and causes beam body steel bar corrosion, generation carbonization and concrete cover frost heave etc., this will will be greatly reduced The service life of concrete-bridge and pave-load layer.
Excellent interface processing can guarantee that effectively bonding, shearing resistance, stress are inhaled between bridge asphalt pavement layer and floorings It receives and water-proof function, interface processing includes the processing of floorings and the selection of water-proof tack coat.Currently, the choosing of water-proof bond material It selects and more payes attention to, the country has also carried out many relevant research works and achieved some research achievements, for the place of floorings Reason mode does not obtain enough attention, in fact the selection pair of the pretreatment mode of floorings and interface water-proof bond material The performance of entire paving structure has effect of equal importance.
Before Surfacing Construction, the cleaning at the top of beam slab is not thorough, beam slab chisel, bristle effect are poor, the laitance on surface layer, Mud, greasy dirt, the cleaning of loose concrete are not clean, and the density and depth of the non-dabbing in girder surface or dabbing are inadequate, bridge deck pavement steel Muscle and beam body embedded bar do not weld, these all seriously affect the binding force between bridge deck pavement and back surface concrete, The globality for destroying cement concrete, under the repeated action of vehicular load and under the intrusion of water, bridge deck pavement is easy for There is situations such as cracking, loose.
Concrete slab rough surface processing aspect in China's still adopts traditional technique mostly, mainly has: dabbing method, Plucking method, groove engraving etc..Although traditional interface processing method has certain help to the degree of roughness for improving bridge floor plate surface, But the problems such as generally existing poor with asphalt mixture surfacing bond effect, when water enters, Yi Fasheng Moisture Damage.In addition these processing works Skill, generally existing large labor intensity, low efficiency disturb larger disadvantage to bridge structure;The dust from flying in construction, work item Part is badly unfavorable for environmental protection.Therefore, traditional interface processing technique is necessarily by improving.
Also have in the prior art and interface processing is carried out using plant stone machine, though having preferable treatment effect, can not control The spreading amount of building stones processed leads to problems such as spreading uniformity poor, and the position dispensed is limited, and it is mixed can not to be suitable for large area cement Solidifying soil bridge deck pavement.
Utility model content
In order to solve the above problem, the utility model provides a kind of mobile road-metal spreading machine, the movable type road-metal spreading machine Structure is simple, by the mutual cooperation of master palette and tuning plate, can control the spreading amount of building stones according to actual needs, while can To adjust the position of distributor by the second driving motor and sliding equipment, the spreading efficiency of bridge deck pavement rubble is improved, High degree of automation, easy to use, time saving and energy saving, reliable operation is cheap, suits large area to popularize.
In order to achieve the above object, the utility model is resolved using following technical scheme.
A kind of movable type road-metal spreading machine, comprising: bracket, guide rail and distributor;Wherein, laterally it is arranged between the bracket There is guide rail;The distributor is entered on the guide rail by sliding equipment slidable fit;The distributor include rack, bunker, Spreading roller and first motor;Bunker is provided in the rack, the bottom end of the bunker is provided with control discharging device, institute The upper end for stating bunker is provided with sliding equipment;Spreading roller is provided with below the bunker, the shaft of the spreading roller is logical Cross the output axis connection of intermeshing bevel gear Yu the first motor.
Movable type road-metal spreading machine according to the present utility model, distributor by sliding equipment along guide rail transverse shifting, into And the position that distributor dispenses rubble is adjusted according to actual needs.Bunker is for storing required building stones, the building stones in bunker The spreading amount that building stones are controlled by control discharging device, guarantees the uniformity dispensed.The output shaft of the first motor of rack two sides It is connect by intermeshing bevel gear with spreading roller, drives spreading roller to be moved forward and backward by first motor.The utility model Mobile road-metal spreading machine can control the spreading amount of building stones, while the spreading position of adjustable building stones according to actual needs, The spreading efficiency of bridge deck pavement rubble is improved, structure is simple, easy to use.
Preferably, the control discharging device includes master palette, first support, the first adjusting screw rod and nut;The master The side of tuned plate and the rear wall bottom end of the bunker are hinged, the bottom end of the other side of the master palette and the first support It is fixedly connected;The left and right ends of the first are respectively arranged with the first fixation hole;The lower end of first adjusting screw rod and machine The bottom end of frame is fixedly connected, and the upper end of first adjusting screw rod passes through first fixation hole and fixed by nut.
Movable type road-metal spreading machine according to the present utility model, mainly adjusts spiral shell by master palette, first support and first Bar controls the spreading amount of building stones, specifically: the side of master palette and the rear wall bottom end of bunker are hinged, the other side of master palette Be fixedly connected with first support, the first adjusting screw rod pass through the first rack on fixation hole, and by with the first adjusting screw rod The nut regulation that external screw thread matches.By position of the adjusting nut on the first screw rod, make master palette after bunker Side wall bottom end moves up and down, and then adjusts the aperture between master palette and rack, to control the spreading amount of building stones.
Preferably, the control discharging device also includes tuning plate, second support and the second adjusting screw rod;The tuning plate Side and the bunker front side wall bottom end it is hinged, the other side of the tuning plate is provided with the second adjusting screw rod;It is described It is fixedly arranged above second support positioned at the tuning plate in rack, the second fixation hole is provided in the second support, it is described Second adjusting screw rod passes through second fixation hole and is fixed by nut.
Movable type road-metal spreading machine according to the present utility model, it is auxiliary by tuning plate, second support and the second adjusting screw rod Help adjust building stones spreading amount, specifically: the side of tuning plate and the front side wall bottom end of bunker are hinged, the tuning plate it is another Side is provided with the second adjusting screw rod, and the second adjusting screw rod passes through the second fixation hole in second support, and by adjusting with second The nut that the external screw thread of section screw rod matches is fixed.By position of the adjusting nut on the second screw rod, make tuning plate around material The front side wall bottom end of hopper moves up and down, and then adjusts the aperture between master palette and tuning plate, thus to the spreading amount of building stones Carry out subtle regulation.
Preferably, the centre of the first support is provided with vibrating motor.
Movable type road-metal spreading machine according to the present utility model, it is by the vibration of vibrating motor that the building stones in bunker are equal Even is spread on cement concrete pavement, and building stones discharge is convenient, and uniformity is good.
Preferably, first adjusting screw rod includes fixed frame, work shape screw rod and spring;The lower end of the fixed frame and machine The bottom end of frame connects, and the upper end of the fixed frame is provided with bayonet, and the bottom end of the work shape screw rod passes through the bayonet activity and sets It is placed in the fixed frame, slidable fit has spring on the work shape screw rod.
Movable type road-metal spreading machine according to the present utility model, the lower end of fixed frame and the bottom end of rack connect, work shape spiral shell The bottom end of bar passes through bayonet and is movably set in the fixed frame, and the thin bar section slidable fit among work shape screw rod has spring, Gu Determining frame can move up and down along the thin bar section among work shape screw rod, mitigate the effect of vibration of bobbing machine by spring.Second adjusts spiral shell The setting of bar is identical as the setting of the first adjusting screw rod, equally has damping effect.
Preferably, the sliding equipment includes connecting screw, support frame and idler wheel;Distinguish the left and right ends of the bunker It is symmetrically arranged with connecting screw, the upper end of the connecting screw passes through support frame as described above and fixes by nut;Support frame as described above On be provided with idler wheel, the roller-coaster is fitted on the guide rail.
Movable type road-metal spreading machine according to the present utility model, the left and right ends of bunker are respectively symmetrically hinged with connection spiral shell Bar, the upper end of connecting screw pass through support frame and are fixed by nut, and the idler wheel on support frame can be moved horizontally along guide rail.
Preferably, the second motor is fixed on support frame as described above, the output shaft of second motor passes through intermeshing The connection of the roller bearing of bevel gear and idler wheel.
Movable type road-metal spreading machine according to the present utility model, the output shaft of the second motor pass through intermeshing bevel gear It connect with the roller bearing of idler wheel, is moved horizontally by motor driven distributor along guide rail.
Preferably, the number of the distributor is 2.
Movable type road-metal spreading machine according to the present utility model, distributor are 2, can once dispense the bridge in two lanes Face pave-load layer, it is easy to use.
Detailed description of the invention
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is the schematic perspective view of the mobile road-metal spreading machine of the utility model;
Fig. 2 is main view in Fig. 1;
Fig. 3 is the structural schematic diagram of distributor in Fig. 1;
Fig. 4 is the right view of Fig. 1;
Fig. 5 is the structural schematic diagram that discharging device is controlled in Fig. 1;
Fig. 6 is the structural schematic diagram of the first adjusting screw rod in Fig. 3.
In the above figure: 1 guide rail;2 distributors;3 racks;4 bunkers;5 spreading rollers;6 first motors;7 control discharging dresses It sets;710 master palettes;720 first supports;730 first adjusting screw rods;731 fixed frames;732 work shape screw rods;733 springs;740 is micro- Tuned plate;750 second supports;760 second adjusting screw rods;8 sliding equipments;801 connecting screws;802 support frames;803 idler wheels;9 vibrations Dynamic motor;10 second motors.
Specific embodiment
With reference to Fig. 1-5, a kind of mobile road-metal spreading machine that the embodiment of content according to the present utility model is proposed, packet It includes: bracket, guide rail 1 and distributor 2;Wherein, guide rail 1 is horizontally arranged between the bracket;The distributor 2 passes through skate machine 8 slidable fit of structure enters on the guide rail 1;The distributor 2 includes rack 3, bunker 4, spreading roller 5 and first motor 6;It is described Bunker 4 is provided in rack 3, the bottom end of the bunker 4 is provided with control discharging device 7, and the upper end of the bunker 4 is set It is equipped with sliding equipment 8;The lower section of the bunker 4 is provided with spreading roller 5, and the shaft of the spreading roller 5 passes through intermeshing The output axis connection of bevel gear and the first motor 6.
In the embodiment above, distributor 2 passes through sliding equipment 8 along 1 transverse shifting of guide rail, and then adjusts according to actual needs Save the position that distributor 2 dispenses rubble.For bunker 4 for storing required building stones, the building stones in bunker 4 pass through control discharging dress The spreading amount for setting 7 control building stones guarantees the uniformity dispensed.The output shaft of the first motor 6 of 3 two sides of rack passes through intermeshing Bevel gear connect with spreading roller 5, pass through first motor 6 drive spreading roller 5 be moved forward and backward.The mobile rubble of the utility model Distributor can control the spreading amount of building stones, while the spreading position of adjustable building stones according to actual needs, improve bridge floor The spreading efficiency of pave-load layer rubble, structure is simple, easy to use.
With reference to Fig. 1-3 and Fig. 5, one embodiment according to the present utility model, the control discharging device 7 includes master palette 710, first support 720, the first adjusting screw rod 730 and nut;The rear side of the side of the master palette 710 and the bunker 4 Wall bottom end is hinged, and the other side of the master palette 710 is fixedly connected with the bottom end of the first support 720;The first Left and right ends are respectively arranged with the first fixation hole;The lower end of first adjusting screw rod 730 is fixedly connected with the bottom end of rack 3, The upper end of first adjusting screw rod 730 passes through first fixation hole and is fixed by nut.
In the embodiment above, building stones are mainly controlled by master palette 710, first support 720 and the first adjusting screw rod 730 Spreading amount, specifically: the side of master palette 710 and the rear wall bottom end of bunker 4 are hinged, the other side of master palette 710 with First support 720 is fixedly connected, and the first adjusting screw rod 730 passes through the fixation hole in the first rack 3, and by adjusting spiral shell with first The nut regulation that the external screw thread of bar 730 matches.By position of the adjusting nut on the first screw rod, surround master palette 710 The rear wall bottom end of bunker 4 moves up and down, and then adjusts the aperture between master palette 710 and rack 3, to control building stones Spreading amount.
With reference to Fig. 1, Fig. 3 and Fig. 5, one embodiment according to the present utility model, the control discharging device 7 is also comprising micro- Tuned plate 740, second support 750 and the second adjusting screw rod 760;The front side wall of the side of the tuning plate 740 and the bunker 4 Bottom end is hinged, and the other side of the tuning plate 740 is provided with the second adjusting screw rod 760;It is located at the tuning plate in the rack 3 740 are fixedly arranged above second support 750, are provided with the second fixation hole, second adjusting screw rod in the second support 750 760 pass through second fixation hole and are fixed by nut.
In the embodiment above, pass through 760 auxiliary adjustment building stones of tuning plate 740, second support 750 and the second adjusting screw rod Spreading amount, specifically: the side of tuning plate 740 and the front side wall bottom end of bunker 4 are hinged, the tuning plate 740 it is another Side is provided with the second adjusting screw rod 760, and the second adjusting screw rod 760 passes through the second fixation hole in second support 750, and by with The nut that the external screw thread of second adjusting screw rod 760 matches is fixed.By position of the adjusting nut on the second screw rod, make to finely tune Plate 740 is moved up and down around the front side wall bottom end of bunker 4, and then adjusts the aperture between master palette 710 and tuning plate 740, To which the spreading amount to building stones carries out subtle regulation.
With reference to Fig. 1-4, the centre of one embodiment according to the present utility model, the first support 720 is provided with vibration Motor 9.
In the embodiment above, the building stones in bunker 4 cement is uniformly spread in by the vibration of vibrating motor 9 to mix On solidifying soil surface, building stones discharge is convenient, and uniformity is good.
With reference to Fig. 6, one embodiment according to the present utility model, first adjusting screw rod 730 include fixed frame 731, Work shape screw rod 732 and spring 733;The lower end of the fixed frame 731 is connect with the bottom end of rack 3, the upper end of the fixed frame 731 It is provided with bayonet, the bottom end of the work shape screw rod 732 passes through the bayonet and is movably set in the fixed frame 731, the work Slidable fit has spring 733 on shape screw rod 732.
In the embodiment above, the lower end of fixed frame 731 is connect with the bottom end of rack 3, and the bottom end of work shape screw rod 732 passes through Bayonet is movably set in the fixed frame 731, and the thin bar section slidable fit among work shape screw rod 732 has spring 733, fixed frame 731 can move up and down along the thin bar section among work shape screw rod 732, mitigate the effect of vibration of bobbing machine by spring 733.Second adjusts The setting for saving screw rod 760 is identical as the setting of the first adjusting screw rod 730, equally has damping effect.
With reference to Fig. 1-2 and Fig. 4, one embodiment according to the present utility model, the sliding equipment 8 includes connecting screw 801, support frame 802 and idler wheel 803;The left and right ends of the bunker 4 have been symmetrically arranged connecting screw 801, the company The upper end for connecing screw rod 801 passes through support frame as described above 802 and is fixed by nut;Idler wheel 803 is provided on support frame as described above 802, 803 slidable fit of idler wheel enters on the guide rail 1.
In the embodiment above, the left and right ends of bunker 4 are respectively symmetrically hinged with connecting screw 801, connecting screw 801 Upper end pass through and support frame 802 and fixed by nut, the idler wheel 803 on support frame 802 can be moved horizontally along guide rail 1.
With reference to Fig. 4, one embodiment according to the present utility model is fixed with the second motor 10, institute on support frame as described above 802 The output shaft for stating the second motor 10 is connect by intermeshing bevel gear with the roller bearing of idler wheel 803.
In the embodiment above, the output shaft of the second motor 10 passes through the roller bearing of intermeshing bevel gear and idler wheel 803 Connection, is moved horizontally by motor driven distributor 2 along guide rail 1.
With reference to Fig. 1-2, one embodiment according to the present utility model, the number of the distributor 2 is 2.
In the embodiment above, distributor 2 is 2, can once dispense the bridge deck pavement in two lanes, user Just.
The utility model proposes a kind of novel Deck Concrete Pavement interface processing modes, i.e. plant stone treatment process, should Technique is in concreting, jolt ramming, after leveling, using the mobile road-metal spreading machine of the utility model by certain size Rubble be equably spread on still unhardened newly-laid concrete surface, and be pressed into certain depth, it is slightly prominent, to generate One thicker macrostructure, forms uniform surface texture, forms " rivet type " with asphalt surface course and connect, and then improves and mat formation Shear behavior between layer by layer.The defect of traditional interface treatment process can be overcome by planting stone interface processing mode, can be significantly The cohesive force for improving floorings and waterproof layer, asphalt pavement interlayer, increases pave-load layer layer stability, reaches prevention and treatment bridge floor paving Fill the purpose of Water Damage.Meanwhile cement concrete bridge deck plate is carried out planting stone processing can also improve the working condition of worker, it mentions High efficiency accelerates construction progress, reduces damage to bridge pave-load layer structure.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modification and variations of the utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (8)

1. a kind of movable type road-metal spreading machine characterized by comprising bracket, guide rail (1) and distributor (2);Wherein, described Guide rail (1) is horizontally arranged between bracket;The distributor (2) enters the guide rail (1) by sliding equipment (8) slidable fit On;
The distributor (2) includes rack (3), bunker (4), spreading roller (5) and first motor (6);It is set on the rack (3) It is equipped with bunker (4), the bottom end of the bunker (4) is provided with control discharging device (7), and the upper end of the bunker (4) is set It is equipped with sliding equipment (8);It is provided with spreading roller (5) below the bunker (4), the shaft of the spreading roller (5) passes through phase The output axis connection of the bevel gear and the first motor (6) that mutually engage.
2. movable type road-metal spreading machine according to claim 1, which is characterized in that the control discharging device (7) includes Master palette (710), first support (720), the first adjusting screw rod (730) and nut;The side of the master palette (710) with it is described The rear wall bottom end of bunker (4) is hinged, and the other side of the master palette (710) and the bottom end of the first support (720) are solid Fixed connection;The left and right ends of the first support (720) are respectively arranged with the first fixation hole;First adjusting screw rod (730) Lower end be fixedly connected with the bottom end of rack (3), the upper end of first adjusting screw rod (730) passes through first fixation hole simultaneously It is fixed by nut.
3. movable type road-metal spreading machine according to claim 2, which is characterized in that the control discharging device (7) is also wrapped Containing tuning plate (740), second support (750) and the second adjusting screw rod (760);The side of the tuning plate (740) and the material The front side wall bottom end of hopper (4) is hinged, and the other side of the tuning plate (740) is provided with the second adjusting screw rod (760);The machine Being fixedly arranged above second support (750) positioned at the tuning plate (740), is provided on the second support (750) on frame (3) Second fixation hole, second adjusting screw rod (760) pass through second fixation hole and are fixed by nut.
4. movable type road-metal spreading machine according to claim 2 or 3, which is characterized in that in the first support (720) Between be provided with vibrating motor (9).
5. movable type road-metal spreading machine according to claim 4, which is characterized in that the first adjusting screw rod (730) packet Containing fixed frame (731), work shape screw rod (732) and spring (733);The lower end of the fixed frame (731) and the bottom end of rack (3) connect It connects, the upper end of the fixed frame (731) is provided with bayonet, and the bottom end of the work shape screw rod (732) passes through the bayonet activity and sets It is placed in the fixed frame (731), slidable fit has spring (733) on the work shape screw rod (732).
6. movable type road-metal spreading machine according to claim 1, which is characterized in that the sliding equipment (8) includes connection Screw rod (801), support frame (802) and idler wheel (803);The left and right ends of the bunker (4) have been symmetrically arranged connection spiral shell Bar (801), the upper end of the connecting screw (801) pass through support frame as described above (802) and are fixed by nut;Support frame as described above (802) it is provided on idler wheel (803), idler wheel (803) slidable fit enters on the guide rail (1).
7. movable type road-metal spreading machine according to claim 6, which is characterized in that support frame as described above is fixed on (802) The output shaft of second motor (10), second motor (10) is connected by the roller bearing of intermeshing bevel gear and idler wheel (803) It connects.
8. movable type road-metal spreading machine according to claim 1, which is characterized in that the number of the distributor (2) is 2 It is a.
CN201920122173.9U 2019-01-24 2019-01-24 A kind of movable type road-metal spreading machine Expired - Fee Related CN209619793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920122173.9U CN209619793U (en) 2019-01-24 2019-01-24 A kind of movable type road-metal spreading machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920122173.9U CN209619793U (en) 2019-01-24 2019-01-24 A kind of movable type road-metal spreading machine

Publications (1)

Publication Number Publication Date
CN209619793U true CN209619793U (en) 2019-11-12

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853334A (en) * 2019-01-24 2019-06-07 西安公路研究院 A kind of mobile road-metal spreading machine of deck paving

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853334A (en) * 2019-01-24 2019-06-07 西安公路研究院 A kind of mobile road-metal spreading machine of deck paving
CN109853334B (en) * 2019-01-24 2023-06-23 西安公路研究院有限公司 Bridge deck pavement is with portable rubble spreader

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Address after: 710075 No. 60, Gaoxin Sixth Road, high tech Zone, Xi'an, Shaanxi

Patentee after: Xi'an Highway Research Institute Co.,Ltd.

Address before: No.60, Gaoxin 6th Road, Xi'an, Shaanxi 710065

Patentee before: XI'AN HIGHWAY INSTITUTE

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

Granted publication date: 20191112

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