CN214882855U - Asphalt pouring machine - Google Patents

Asphalt pouring machine Download PDF

Info

Publication number
CN214882855U
CN214882855U CN202121480281.7U CN202121480281U CN214882855U CN 214882855 U CN214882855 U CN 214882855U CN 202121480281 U CN202121480281 U CN 202121480281U CN 214882855 U CN214882855 U CN 214882855U
Authority
CN
China
Prior art keywords
movable
angle
handle
asphalt
limiting
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.)
Active
Application number
CN202121480281.7U
Other languages
Chinese (zh)
Inventor
王立朋
陈健
毛进
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.)
China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Original Assignee
China Railway 19th Bureau Group Co Ltd
Fifth Engineering Co Ltd of China Railway 19th Bureau Group 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 China Railway 19th Bureau Group Co Ltd, Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd filed Critical China Railway 19th Bureau Group Co Ltd
Priority to CN202121480281.7U priority Critical patent/CN214882855U/en
Application granted granted Critical
Publication of CN214882855U publication Critical patent/CN214882855U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Paving Machines (AREA)

Abstract

The utility model provides a pitch irrigation machine. The asphalt irrigation machine comprises a charging bucket; a discharge pipe; the adjusting assembly is arranged on the charging bucket and comprises an angle adjusting mechanism and a limiting mechanism; the discharging pipe is suitable for and installs in the material jar through angle adjustment mechanism, and angle adjustment mechanism is suitable for the relative angle through stop gear restriction and material jar. This pitch irrigation machine can adjust the ejection of compact direction of discharging pipe through setting up angle adjustment mechanism to can the person of facilitating the use repair the gap on the road surface, increase stability. Can restrict the relative angle of angle adjustment mechanism and material jar through setting up stop gear, and then carry on spacingly to the discharging pipe of angle after the regulation, make its change that can not take place the angle, made things convenient for user's use. The problem of current pitch heating irrigation machine do not have the device of fixing a position to it in the position of discharging pipe, when the user mends the crack, can't make the discharging pipe aim at the gap is solved.

Description

Asphalt pouring machine
Technical Field
The utility model relates to a pitch casting equipment field especially relates to a pitch irrigation machine.
Background
The asphalt is a black brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, mostly exists in a liquid or semisolid petroleum form, has a black surface, is soluble in carbon disulfide and carbon tetrachloride, is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking, petroleum pitch is a residue after crude oil distillation, natural pitch is stored underground, some forms a mineral layer or is accumulated on the surface of the earth crust, and pitch is mainly used in the industries of paint, plastics, rubber, etc., and pavements, etc.
The construction of town road is very important, this is concerned with the traffic in whole city, and the maintenance of road is also very key simultaneously, need repair it when the crack appears in the road, need use pitch heating irrigation machine when repairing, to sum up, current pitch heating irrigation machine does not carry out the device of fixing a position to it in the position of discharging pipe, when the user mends the crack, can't make the discharging pipe aim at the gap to lead to the crack can't be repaired, pitch heating irrigation machine does not possess the device of preventing splashing to the discharging pipe simultaneously, and pitch is sprayed the place outside the gap very easily, has reduced practicality and stability, inconvenient user's use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pitch irrigation machine can adjust the ejection of compact angle of discharging pipe, can also carry on spacingly to the angle after adjusting.
The embodiment of the utility model provides an asphalt irrigation machine, include:
a charging bucket;
a discharge pipe;
the adjusting assembly is arranged on the charging bucket and comprises an angle adjusting mechanism and a limiting mechanism;
the discharging pipe is suitable for passing through angle adjusting mechanism install in the material jar, just angle adjusting mechanism is suitable for passing through stop gear restriction with the relative angle of material jar.
The embodiment of the utility model provides a pitch irrigation machine can adjust the ejection of compact direction of discharging pipe through setting up angle adjustment mechanism to but the person of facilitating the use repairs the gap on the road surface, increases stability. Can restrict the relative angle of angle adjustment mechanism and material jar through setting up stop gear, and then carry on spacingly to the discharging pipe of angle after the regulation, make its change that can not take place the angle, made things convenient for user's use. The problem of current pitch heating irrigation machine do not have the device of fixing a position to it in the position of discharging pipe, when the user mends the crack, can't make the discharging pipe aim at the gap is solved.
According to one embodiment of the utility model, a fixed box is arranged on the charging bucket, and an accommodating space is formed in the fixed box;
the angle adjustment mechanism includes:
a movable plate movably disposed in the accommodating space and movable in a vertical direction with respect to the fixed box;
a movable block movably mounted to the movable plate and movable in a horizontal direction with respect to the movable plate;
the connecting rod, the both ends of connecting rod connect respectively in the movable block with the discharging pipe.
According to the utility model discloses an embodiment, be provided with the bearing on the movable block, the connecting rod is inserted and is located the inner circle of bearing with for the outer lane of bearing rotates.
According to the utility model discloses an embodiment, the cover is equipped with the lantern ring on the discharging pipe, the both ends of connecting rod connect respectively in the inner circle of bearing with the lantern ring.
According to the utility model discloses an embodiment, the mounting hole has been seted up on the fly leaf, be provided with the pivot on the movable block, the pivot is inserted and is located the mounting hole.
According to the utility model discloses an embodiment, be provided with the guide way on the fixed box, the connecting rod is inserted and is located the guide way.
According to the utility model discloses an embodiment, the activity groove has been seted up on the fixed box, be connected with the handle on the fly leaf, the handle is worn out the activity groove.
According to the utility model discloses an embodiment, stop gear includes:
the limiting block is movably arranged in the handle and penetrates out of two sides of the handle;
the limiting holes are arranged at intervals along the length direction of the movable groove;
the limiting block is matched with the limiting hole to limit the relative position of the handle and the movable groove.
According to the utility model discloses an embodiment, be provided with the backup pad in the handle, the backup pad connect in the stopper, be provided with the spring between the backup pad.
According to an embodiment of the invention, the end of the discharge pipe is provided with a baffle.
The utility model provides an above-mentioned one or more technical scheme has one of following technological effect at least:
the embodiment of the utility model provides a pitch irrigation machine can adjust the ejection of compact direction of discharging pipe through setting up angle adjustment mechanism to but the person of facilitating the use repairs the gap on the road surface, increases stability. Can restrict the relative angle of angle adjustment mechanism and material jar through setting up stop gear, and then carry on spacingly to the discharging pipe of angle after the regulation, make its change that can not take place the angle, made things convenient for user's use. The problem of current pitch heating irrigation machine do not have the device of fixing a position to it in the position of discharging pipe, when the user mends the crack, can't make the discharging pipe aim at the gap is solved.
Drawings
Fig. 1 is a schematic structural diagram of an asphalt irrigation machine provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the installation of the fixing box and the discharging pipe provided by the embodiment of the present invention;
fig. 3 is a schematic exploded view of a movable plate and a movable block provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connecting rod and a sleeve ring provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an angle adjustment mechanism provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a limiting mechanism provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a guide groove according to an embodiment of the present invention.
Reference numerals:
100. a charging bucket; 102. a discharge pipe; 104. a fixing box; 106. a movable plate; 108. a movable block; 110. a connecting rod; 112. a bearing; 114. a collar; 116. mounting holes; 118. a rotating shaft; 120. a guide groove; 122. a movable groove; 124. a handle; 126. a limiting block; 128. a limiting hole; 130. a support plate; 132. a spring; 134. a baffle plate; 136. a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 7, the embodiment of the utility model provides an asphalt irrigation machine, include:
a charging bucket 100;
a tapping pipe 102;
the adjusting assembly is arranged on the charging bucket 100 and comprises an angle adjusting mechanism and a limiting mechanism;
the discharging pipe 102 is suitable for being installed on the charging bucket 100 through an angle adjusting mechanism, and the angle adjusting mechanism is suitable for limiting the relative angle of the discharging bucket 100 through a limiting mechanism.
The embodiment of the utility model provides a pitch irrigation machine can adjust the ejection of compact direction of discharging pipe 102 through setting up angle adjustment mechanism to can the person of facilitating the use repair the gap on the road surface, increase stability. The relative angle between the angle adjusting mechanism and the charging bucket 100 can be limited by arranging the limiting mechanism, and then the discharging pipe 102 of the adjusted angle is limited, so that the angle cannot be changed, and the use of a user is facilitated. The problem of current pitch heating irrigation machine do not have the device of fixing a position to it in the position of discharging pipe 102, when the user mends the crack, can't make discharging pipe 102 aim at the gap is solved.
Particularly, hold in the material jar 100 and be equipped with the pitch, material jar 100 can be installed on the walking car, can save constructor's the process of carrying material jar 100 like this, has saved the manpower.
An adjusting assembly is installed on the charging bucket 100, and the adjusting assembly comprises an angle adjusting mechanism for adjusting the discharging angle of the discharging pipe 102 and a limiting mechanism for limiting the angle adjusting mechanism.
Therefore, the discharge pipe 102 is mounted on the charging bucket 100 through an angle adjusting mechanism, and the angle adjusting mechanism is suitable for limiting the relative angle of the discharge pipe and the charging bucket 100 through a limiting mechanism. Thus, when the constructor works, the constructor can adjust the discharging angle of the discharging pipe 102 through the angle adjusting mechanism, the angle of the angle adjusting mechanism relative to the charging bucket 100 is limited through the limiting mechanism, the discharging pipe 102 can be guaranteed to repair a gap on the road surface, and the stability is improved.
Referring to fig. 1 and 2, according to an embodiment of the present invention, a fixed box 104 is installed on a charging bucket 100, and a receiving space is formed in the fixed box 104. The fixed box 104 installed on the bucket 100 is used for installing the angle adjusting mechanism and the limiting mechanism. Thus, an accommodation space capable of accommodating the angle adjustment mechanism and the stopper mechanism is formed in the fixing box 104.
In the embodiment of the present invention, the angle adjusting mechanism includes a movable plate 106, a movable block 108 and a connecting rod 110. The movable plate 106 is movably disposed in the accommodating space and can move in a vertical direction relative to the fixed box 104; the movable block 108 is movably mounted to the movable plate 106 and is movable in a horizontal direction with respect to the movable plate 106; two ends of the connecting rod 110 are respectively connected to the movable block 108 and the discharge pipe 102.
Specifically, referring to fig. 2 to 5, the movable plate 106 may be installed in the accommodation space in the up-down direction as shown in fig. 5. In addition, in order to guide the movable plate 106, a guide bar 136 is further disposed in the fixed box 104, and accordingly, a guide groove (not shown) that is in guiding engagement with the guide bar 136 may be disposed on the movable plate 106, and the movable plate 106 is provided with a mounting hole 116 along the left-right direction shown in fig. 5.
The movable block 108 is movable in the left-right direction as shown in fig. 5 with respect to the mounting hole 116, that is, the movable block 108 is movably mounted on the movable plate 106. The movable block 108 is further provided with a rotating shaft 118, and the rotating shaft 118 is inserted into the mounting hole 116. It can be understood that the movable block 108 is mounted to the mounting hole 116 through the rotating shaft 118, and can move relative to the movable plate 106 along the opening direction of the mounting hole 116 by the driving of the rotating shaft 118.
The connecting rod 110 can rotate relative to the movable block 108, the connecting rod 110 is inserted on the movable block 108, and the other end of the connecting rod 110 is fixedly connected with the discharge pipe 102. Thus, when the movable plate 106 moves relative to the fixed box 104 in the vertical direction as shown in fig. 5, or the movable block 108 moves relative to the movable plate 106 in the opening direction of the mounting hole 116, the discharging pipe 102 can be driven to adjust the angle.
According to an embodiment of the present invention, the movable block 108 is provided with a bearing 112, and the connecting rod 110 is inserted into an inner ring of the bearing 112 to rotate relative to an outer ring of the bearing 112.
Referring to fig. 5, a bearing 112 is fixedly mounted on the movable block 108, an outer ring of the bearing 112 is fixedly connected with the movable block 108, and an inner ring of the bearing 112 is fixedly connected with the connecting rod 110. In other words, the connecting rod 110 is connected by the bearing 112 to be rotatable relative to the movable block 108.
According to an embodiment of the present invention, a sleeve ring 114 is sleeved on the discharging pipe 102, and both ends of the connecting rod 110 are respectively connected to the inner ring of the bearing 112 and the sleeve ring 114.
Referring to fig. 5, the one end of connecting rod 110 and the inner circle fixed connection of bearing 112, the other end fixedly connected with lantern ring 114 of connecting rod 110, discharging pipe 102 is located to the lantern ring 114 cover, so, when movable block 108 drives connecting rod 110 and rotates, connecting rod 110 just can drive lantern ring 114 and rotate, and then lantern ring 114 can drive discharging pipe 102 and rotate, realizes the regulation to discharging pipe 102's ejection of compact angle.
In order to realize the guiding of the connecting rod 110 during the action, referring to fig. 7, according to an embodiment of the present invention, a guiding groove 120 is provided on the fixing box 104, and the connecting rod 110 is inserted into the guiding groove 120. It should be noted that, since the trajectory of the tapping pipe 102 in the tapping direction is curved, the guide groove 120 is also an arc-shaped groove formed in the stationary box 104.
According to an embodiment of the present invention, the fixed box 104 has a movable slot 122, the movable plate 106 has a handle 124, and the handle 124 penetrates through the movable slot 122.
Referring to fig. 2 and 5, a movable groove 122 is formed on the fixed box 104 toward the side of the tapping pipe 102 in the tapping direction. A handle 124 is inserted into the movable groove 122, and the other end of the handle 124 is connected to the movable plate 106, so that a constructor can operate the movable plate 106 by operating the handle 124.
Referring to fig. 6, according to an embodiment of the present invention, the limiting mechanism includes a limiting block 126 and a limiting hole 128. The limiting block 126 is movably disposed in the handle 124 and penetrates through two sides of the handle 124; the limiting holes 128 are arranged at intervals along the length direction of the movable groove 122; the stop block 126 cooperates with the stop hole 128 to define the relative position of the handle 124 and the movable slot 122.
Specifically, the limiting block 126 can move in the horizontal direction relative to the handle 124 as shown in fig. 6, that is, the limiting block 126 can penetrate through two sides of the handle 124, and it is understood that two limiting blocks 126 can be provided, which are respectively disposed at the left and right sides inside the handle 124 as shown in fig. 6.
The limiting holes 128 are arranged at intervals along the length direction of the movable groove 122, and the intervals between two adjacent limiting holes 128 are equal. When the stopper 126 is inserted into the stopper hole 128, the position of the handle 124 with respect to the movable groove 122 is fixed, that is, the position of the movable plate 106 with respect to the fixed box 104 is fixed.
The embodiment of the utility model provides an in, the tip of stopper 126 is the hemisphere, and the shape of spacing hole 128 is the hemisphere and caves in the form, does benefit to stopper 126 and spacing hole 128's cooperation so more.
According to an embodiment of the present invention, a supporting plate 130 is disposed in the handle 124, the supporting plate 130 is connected to the limiting block 126, and a spring 132 is disposed between the supporting plates 130.
Referring to fig. 6, the supporting plate 130 is located inside the handle 124, and there are two supporting plates 130, and the two supporting plates 130 are respectively connected to one ends of the two limiting blocks 126 facing the inside of the handle 124. The spring 132 is disposed between the two support plates 130, and the spring 132 is in a compressed state, so that the spring 132 can provide an elastic supporting force for the support plates 130, and further the support plates 130 can tightly support the limit block 126, and further the limit block 126 can be stably tightly supported in the limit hole 128.
Referring to fig. 2, according to one embodiment of the invention, the end of the tapping pipe 102 is provided with a baffle 134. By providing the baffle 134 at the end of the discharge pipe 102, the slurry of pitch can be prevented from splashing during work by the constructor, and the phenomenon of left and right splashing can be prevented.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An asphalt pouring machine, comprising:
a bucket (100);
a discharge pipe (102);
the adjusting assembly is arranged on the charging bucket (100) and comprises an angle adjusting mechanism and a limiting mechanism;
the discharging pipe (102) is suitable for being installed in the charging bucket (100) through the angle adjusting mechanism, and the angle adjusting mechanism is suitable for being limited by the limiting mechanism and is in relative angle with the charging bucket (100).
2. An asphalt pouring machine according to claim 1, wherein a fixed box (104) is mounted on the bucket (100), and a containing space is formed in the fixed box (104);
the angle adjustment mechanism includes:
a movable plate (106), the movable plate (106) being movably disposed in the accommodation space and being movable in a vertical direction with respect to the stationary box (104);
a movable block (108), the movable block (108) movably mounted to the movable plate (106) and movable in a horizontal direction relative to the movable plate (106);
the two ends of the connecting rod (110) are respectively connected to the movable block (108) and the discharge pipe (102).
3. An asphalt irrigator according to claim 2, wherein a bearing (112) is provided on the movable block (108), the connecting rod (110) being inserted in an inner ring of the bearing (112) to rotate relative to an outer ring of the bearing (112).
4. An asphalt pouring machine according to claim 3, wherein a collar (114) is sleeved on the tapping pipe (102), and both ends of the connecting rod (110) are connected to the inner ring of the bearing (112) and the collar (114), respectively.
5. The asphalt pouring machine according to claim 2, wherein the movable plate (106) is provided with a mounting hole (116), the movable block (108) is provided with a rotating shaft (118), and the rotating shaft (118) is inserted into the mounting hole (116).
6. An asphalt pouring machine according to claim 2, wherein a guide groove (120) is provided on the fixing box (104), and the connecting rod (110) is inserted into the guide groove (120).
7. An asphalt pouring machine according to any one of claims 2 to 6, wherein a movable groove (122) is formed on the fixed box (104), a handle (124) is connected to the movable plate (106), and the handle (124) penetrates out of the movable groove (122).
8. The asphalt pouring machine according to claim 7, wherein said limiting mechanism comprises:
the limiting block (126) is movably arranged in the handle (124) and penetrates out of two sides of the handle (124);
the limiting holes (128) are arranged at intervals along the length direction of the movable groove (122);
the limiting block (126) is matched with the limiting hole (128) to limit the relative position of the handle (124) and the movable groove (122).
9. An asphalt pouring machine according to claim 8, wherein a support plate (130) is arranged in said handle (124), said support plate (130) being connected to said stop block (126), a spring (132) being arranged between said support plates (130).
10. An asphalt watering machine according to any one of claims 1 to 6, wherein an end of the tapping pipe (102) is provided with a baffle (134).
CN202121480281.7U 2021-06-30 2021-06-30 Asphalt pouring machine Active CN214882855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121480281.7U CN214882855U (en) 2021-06-30 2021-06-30 Asphalt pouring machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121480281.7U CN214882855U (en) 2021-06-30 2021-06-30 Asphalt pouring machine

Publications (1)

Publication Number Publication Date
CN214882855U true CN214882855U (en) 2021-11-26

Family

ID=78907330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121480281.7U Active CN214882855U (en) 2021-06-30 2021-06-30 Asphalt pouring machine

Country Status (1)

Country Link
CN (1) CN214882855U (en)

Similar Documents

Publication Publication Date Title
CN111236004A (en) Compaction device is laid to road asphalt
CN214882855U (en) Asphalt pouring machine
CN111119018A (en) Municipal administration bituminous paving pothole repair equipment
CN210458878U (en) Large-tonnage asphalt concrete paver
CN217049977U (en) Storage equipment for asphalt production
CN215252162U (en) Asphalt paving device for road and bridge engineering construction
CN215518217U (en) Protection device after asphalt road is laid
CN213951891U (en) A pitch dispensing device for highway construction
CN214573151U (en) Pitch device of paving is used in town road construction
CN215366659U (en) Asphalt leveling device for paving
CN211446497U (en) Asphalt paving device for building construction
CN220468543U (en) Road surface sprinkler for asphalt
CN215561649U (en) Asphalt stirring device for constructional engineering
CN212505725U (en) Asphalt laying device for road and bridge construction
CN219059655U (en) Asphalt paving roller for pavement construction
CN217922921U (en) Asphalt heating device for highway pavement construction
CN217896128U (en) Road asphalt laying device
CN214362730U (en) Building road surface pitch paving device
CN214497089U (en) Pitch maintenance agent spraying device with adjustable spraying angle
CN216006496U (en) Asphalt melting device for highway engineering
CN219364234U (en) Asphalt laying material guiding device
CN112482132A (en) Heating and heat-insulating device for asphalt paving
CN211936623U (en) A feed bin structure for bituminous mixture
CN213474260U (en) Emulsified asphalt holding vessel
CN215389511U (en) Automatic asphalt vibrating device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant