CN212799551U - Curb handling device - Google Patents
Curb handling device Download PDFInfo
- Publication number
- CN212799551U CN212799551U CN202021098798.5U CN202021098798U CN212799551U CN 212799551 U CN212799551 U CN 212799551U CN 202021098798 U CN202021098798 U CN 202021098798U CN 212799551 U CN212799551 U CN 212799551U
- Authority
- CN
- China
- Prior art keywords
- frame
- trolley
- clamping mechanism
- rod
- curb
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000002787 reinforcement Effects 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model provides a curb handling device, include: the device comprises a trolley, a traction piece, an adjusting rod and a clamping mechanism; the clamping mechanism is hung at the front part of the frame of the trolley in a telescopic way through a flexible connecting piece and is used for clamping the kerbstone; one end of the traction piece is fixed at the rear part of the frame of the trolley, and the other end of the traction piece is connected with the clamping mechanism through a flexible connecting piece and used for drawing the clamping mechanism to move up and down; the bottom of the adjusting rod is connected with the clamping mechanism, and the top position of the adjusting rod is connected to the front end of the frame of the trolley in an adjustable mode. The utility model has the advantages that the telescopic clamping mechanism is hung at the front part of the frame of the trolley, the curb is clamped by drawing the trolley through the drawing piece fixed on the frame of the trolley, the height of the whole clamping mechanism is further adjusted through the adjusting rod, the application range is enhanced, the structure is simple, the installation and the use are convenient, the waste steel pipe and the reinforcing steel bar are utilized as raw materials, and the turnover use can be carried out for many times; low cost, high efficiency, energy and power saving, safety and reliability.
Description
Technical Field
The utility model relates to a road construction equipment technical field particularly, relates to a curb handling device.
Background
With the change of urban appearances, beautifying urban space has become a current urgent need. The emergence of various materials of curb stones has played a new music for beautifying urban living space, and has become a main melody in the urban space at present due to the characteristics of high strength, high quality feeling, wear resistance, fastness, smooth linearity and the like. The application range of the kerbstone is very wide, and the construction amount of various infrastructures such as landscaping, road construction and old city reconstruction is huge. However, the kerbstone is heavy and not easy to carry and stack, and a large amount of manpower and material resources are consumed in the construction process, so that the construction efficiency of the kerbstone laying project is low.
Disclosure of Invention
In view of this, the utility model provides a curb handling device aims at solving and consumes a large amount of manpower and materials, the lower problem of efficiency of construction among the current curb laying process.
The utility model provides a curb handling device, include: the device comprises a trolley, a traction piece, an adjusting rod and a clamping mechanism; the clamping mechanism is hung at the front part of the frame of the trolley in a telescopic way through a flexible connecting piece and is used for clamping the kerbstone; one end of the traction piece is fixed at the rear part of the frame of the trolley, and the other end of the traction piece is connected with the clamping mechanism through the flexible connecting piece and used for drawing the clamping mechanism to move up and down so as to clamp and carry the kerbstone; the bottom of the adjusting rod is connected with the clamping mechanism, and the top of the adjusting rod is connected to the front end of the frame of the trolley in an adjustable mode.
Further, in the above-mentioned curb handling device, the dolly frame front portion is provided with logical groove, this logical groove is worn to locate along vertical direction by the regulation pole.
Further, in the above-described curb conveying device, the clamping mechanism includes: two clamps arranged in pairs; the two clamping pieces are of a scissor-fork type structure and are matched with each other so as to clamp the curb under the traction of the traction piece; the two clamping pieces are connected through a plurality of connecting pieces, and the flexible connecting piece is connected to the connecting piece positioned at the upper part; the adjusting rod is connected with the rotating shaft positioned on the hinged part.
Furthermore, in the above-mentioned curb handling device, each of the clamping members is provided with two clamping portions, and rubber pads are provided on the two clamping portions, so as to increase friction between the curb and the clamp.
Further, in the above-mentioned curbstone handling device, the flexible connecting member is an iron chain or an elastic cord.
Further, in the above-described curb handling device, the cart frame includes: the rear supporting frame and the front supporting frame are connected; the rear supporting frame and the front supporting frame are connected through a vertical connecting rod, the bottom of the vertical connecting rod is connected with a horizontal connecting rod, and two ends of the horizontal connecting rod are respectively connected with wheels.
Further, in the above-described curb handling device, the rear support frame includes: a rear operating lever and a plurality of first reinforcing members; the rear operating rod is arranged above the wheels in the horizontal direction and is connected with the top of the vertical connecting rod; the first reinforcing part is obliquely connected between the rear operating rod and the vertical connecting rod, and a triangular frame is formed below the rear operating rod.
Further, in the above-described curb handling device, the front support frame includes: a front operating lever and a plurality of second reinforcing members; the front operating rod is positioned below the rear operating rod and is connected with the upper part of the vertical connecting rod; the second reinforcement is connected between the front operating rod and the vertical connecting rod in an inclined manner, and a triangular frame is formed on at least one side of the front operating rod.
Further, in the above-described curb conveying apparatus, a fixing ring is provided at an end of the front operating lever to fix the traction member; and a hanging ring is arranged at the position of the front operating rod close to the middle part and is used for penetrating and controlling the traction direction of the traction piece.
Further, in the above-described curb conveying device, a third reinforcement is provided between the adjustment lever and the front operating lever.
In the utility model, the telescopic clamping mechanism is hung at the front part of the frame of the trolley, the traction piece fixed on the frame of the trolley is used for clamping the curb stone, the height of the whole clamping mechanism is further adjusted by the adjusting rod, the application range is enhanced, the structure is simple, the installation and the use are convenient, and the waste steel pipe and the steel bar are utilized as raw materials, so that the clamping mechanism can be repeatedly used; low cost, high efficiency, energy and power saving, safety and reliability.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a kerbstone handling device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a kerbstone handling device according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, the utility model discloses curb handling device includes: the device comprises a trolley 1, a traction piece 2, an adjusting rod 3 and a clamping mechanism 4; the clamping mechanism 4 is telescopically hung at the front part of a frame 11 of the trolley through a flexible connecting piece 5 and is used for clamping a curb; one end of the traction piece is fixed at the rear part of the frame 11 of the trolley, and the other end of the traction piece is connected with the clamping mechanism 4 through the flexible connecting piece 5 and used for drawing the clamping mechanism 4 to move up and down so as to clamp and carry the kerbstone; the bottom of the adjusting rod 3 is connected with the clamping mechanism 4, and the top of the adjusting rod 3 is connected to the front end of the frame 11 of the trolley in an adjustable mode.
Specifically, the trolley consists of a frame 11 and two wheels 12 positioned at the bottom of the frame 11. The two wheels are connected through a horizontal connecting rod 6 positioned at the bottom of the frame 11, and bearings are respectively arranged at the joints of the two ends of the horizontal connecting rod 6 and the wheels and used for driving the wheels to rotate.
The front part of the trolley frame 11 is provided with a through groove, and the top of the adjusting rod 3 penetrates through the through groove along the vertical direction. In practice, two through holes arranged oppositely may be transversely formed at both sides of the through groove, so that the adjusting rod 3 may be fastened at a proper position by arranging fasteners in the through holes at both sides after the adjusting rod 3 is inserted into the through groove.
Further, the trolley frame 11 comprises: a rear support bracket 111 and a front support bracket 112 connected; the rear supporting frame 111 and the front supporting frame 112 are connected through a vertical connecting rod 7, the bottom of the vertical connecting rod 7 is connected with a horizontal connecting rod 6, and two ends of the horizontal connecting rod 6 are respectively connected with wheels.
The rear supporter 111 includes: a rear operating rod 1111 and a number of first reinforcements 1112; wherein, the rear operating rod 1111 is arranged above the wheels 12 along the horizontal direction and is connected with the top of the vertical connecting rod 7; the first reinforcement 1112 is connected obliquely between the rear operating rod 1111 and the vertical connecting rod 7, forming a triangular frame on both sides below the rear connecting rod.
Specifically, the rear operating rod 1111 and the vertical connecting rod 7 may be vertically disposed. The first reinforcement 1112 may be one or more. The first reinforcement 1112 may be obliquely connected to a lower portion of the vertical connecting rod 7 from a side of the rear operating rod 1111 away from the front support bracket 112, and preferably, the first reinforcement 1112 encloses a regular triangular frame with the rear operating rod 1111 and the vertical connecting rod 7.
An operating handle 10 is also provided at the rear of the rear operating lever to be connected to the pulling member and thus to the flexible connector via the pulling member, so that the clamping mechanism can be made to grip the curb when it is placed on the curb.
The front support bracket 112 includes: a front lever 1121 and a plurality of second reinforcements 1122; wherein the front operating rod 1121 is located below the rear operating rod 1111 and is connected with the upper portion of the vertical connecting rod 7; the second stiffener 1122 is connected between the front lever 1121 and the vertical connecting rod 7 at an inclination, and forms a triangular frame on at least one side of the front lever 1121.
Specifically, the front operating rod 1121 may be connected to the vertical connecting rod 7 at a position below the rear operating rod 1111 to provide a certain operating space for the traction of the traction member. The second reinforcement 1122 may be obliquely provided between the lower surface of the front lever 1121 and the lower portion of the vertical connecting rod 7, the second reinforcement 1122 may be obliquely provided between the upper surface of the front lever 1121 and the upper portion of the vertical connecting rod 7, or the second reinforcements 1122 may be obliquely provided on the upper and lower surfaces of the front lever 1121, respectively, to form a stable triangular structure.
In this embodiment, a plurality of third reinforcements 8 are arranged between the vertical connecting rod 7 and the horizontal connecting rod 6, and the third reinforcements 8 are obliquely connected between the vertical connecting rod 7 and the horizontal connecting rod 6, so as to further increase the stability of the frame. The number of the third reinforcing members 8 may be one or more, for example, two, and two third reinforcing members 8 are connected to two sides of the horizontal connecting rod 6 from two sides of the upper part of the vertical connecting rod 7 in a downward inclined manner, respectively, to form two triangular frames, so as to further improve the stability of the trolley frame.
A fixing ring A is arranged at the end part of the front operating rod 1121 and used for fixing the traction piece; a hanging ring B is disposed at a position of the front operating rod 1121 near the middle, and is used for penetrating and controlling a pulling direction of the pulling member.
The traction member in this embodiment may be a steel wire rope, and a portion of the steel wire rope near the front operating rod 1121 may be fixed to the fixing ring and connected to the flexible connecting member 5 connected to the clamping structure, so as to drive the clamping mechanism 4 to clamp or loosen the curb when the flexible connecting member 5 is pulled. A hanging ring is arranged at a position of the front operating rod 1121, which is close to the middle, and the steel wire rope is inserted into the hanging ring and can freely move, so that an operator can conveniently control the pulling direction of the steel wire rope.
A fourth reinforcement 9 is provided between the adjusting lever 3 and the lower end of the front operating lever 1121 to increase the stability of the front supporting bracket 112 and also to play a role of fixing the adjusting lever.
Rear portion action bars 1111, anterior action bars 1121, horizontal connecting rod 6 in this embodiment can be the steel pipe, and first reinforcement 1112, second reinforcement 1122, third reinforcement 8 and fourth reinforcement 9 can adopt the scrap steel bar stub bar of job site to make, and local materials practice thrift the cost.
Referring to fig. 2, the clamping mechanism 4 includes: two clamps 41 provided in pairs; the two clamping pieces 41 are of a scissor-fork type structure, and the two clamping pieces 41 are matched with each other to clamp the curb under the traction of the traction piece; the two clamping pieces 41 are connected through a plurality of connecting pieces 44, and the flexible connecting piece 5 is connected to the connecting piece 44 positioned at the upper part; the adjusting rod 3 is connected with a rotating shaft positioned on the hinged part.
Specifically, the clamping members 41 may be of a scissor-fork structure, two upper cross members of the clamping members 41 are correspondingly disposed and connected by two connecting members disposed in parallel, the number of the flexible connecting members 5 may be multiple, for example, four, two flexible connecting members 5 are connected to two sides of each upper connecting member, and the top of the flexible connecting member 5 may be connected to the traction member 2 through a fixing ring a on the front operating rod 1121. The flexible connecting element 5 may be an iron chain or a bungee cord. The hinging of the middle parts of the two clamping members 41 is connected by a rotating shaft 43 on which the lower part of the adjusting rod 3 can be arranged to adjust the height of the entire clamping mechanism 4.
Preferably, each of the clamping members 41 is provided with two clamping portions, and two of the clamping portions are provided with rubber pads 42, so as to increase friction between the curb and the clamp, and prevent the curb from falling off from the clamping members 41.
In practice, a winch can be arranged at the rear part of the trolley frame 11 to drive the traction piece to draw the clamping mechanism 4, so that the labor amount of an operator is greatly reduced.
The utility model discloses a curb handling device, when using, place fixture 4 on the curb, tractive wire rope, can make 4 inseparable centre gripping curb of fixture, operating personnel exerts decurrent pressure to rear portion action bars 1111, the curb just lifts by crane, under the dead weight effect of curb, fixture 4 lifts by crane the operation with its chucking, when transporting the curb to the destination, loosen the pulling member, fixture can loosen the curb. When the curb height was too high, can adjust fixture's height through adjusting the pole to the curb of adaptation different specifications. Curb handling device in this embodiment is applicable to supplementary artifical transport, installation, dismantlement curb etc. convenient to use, simple economy high efficiency.
The above obviously shows that, in the kerbstone carrying device provided in this embodiment, the clamping mechanism is hung on the front part of the frame of the trolley in a telescopic manner, the kerbstone is clamped by pulling the kerbstone through the pulling piece fixed on the frame of the trolley, the height of the whole clamping mechanism is further adjusted through the adjusting rod, the application range of the kerbstone is enlarged, the structure is simple, the kerbstone carrying device is convenient to install and use, and the waste steel pipes and the waste steel bars are used as raw materials and can be recycled for multiple times; low cost, high efficiency, energy and power saving, safety and reliability.
Referring to fig. 3, in another embodiment of the present invention, a hydraulic tube 113 is disposed on the trolley frame 11, the hydraulic tube 113 is disposed in parallel with the traction member 2 and connected to the traction member and the traction member, a hydraulic telescopic rod 114 is disposed at the front end of the trolley frame 11 (i.e. the adjusting rod is a hydraulic telescopic rod), the traction member 2 and the hydraulic tube 113 are both connected to the top of the hydraulic telescopic rod 114 at positions close to the front portion of the trolley frame, and the bottom of the hydraulic telescopic rod 114 is connected to the clamping mechanism 4 through a flexible connecting member 5; set up hydraulic pressure lift switch 115 at dolly frame 11 rear portion, freely stretch out and draw back through the free telescopic link of hydraulic pressure pipe control hydraulic pressure to adjust the height with fixture, be convenient for under the higher curb of handling height, adjust fixture's height.
In conclusion, the utility model has simple structure, convenient installation and use, and can be used repeatedly by utilizing waste steel pipes and reinforcing steel bars as raw materials; low cost, high efficiency, energy and power saving, safety and reliability.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A curb handling device, comprising: the device comprises a trolley, a traction piece, an adjusting rod and a clamping mechanism; wherein,
the clamping mechanism is hung at the front part of the frame of the trolley in a telescopic way through a flexible connecting piece and is used for clamping the kerbstone;
one end of the traction piece is fixed at the rear part of the frame of the trolley, and the other end of the traction piece is connected with the clamping mechanism through the flexible connecting piece and used for drawing the clamping mechanism to move up and down so as to clamp the kerbstone;
the bottom of the adjusting rod is connected with the clamping mechanism, and the top of the adjusting rod is connected to the front end of the frame of the trolley in an adjustable mode.
2. The kerbstone handling device of claim 1, wherein a through slot is provided at a front portion of the frame of the trolley, and the adjusting rod is vertically inserted through the through slot.
3. The curb handling device of claim 1 wherein the clamping mechanism comprises: two clamps arranged in pairs; wherein,
the two clamping pieces are of a scissor-fork type structure and are matched with each other so as to clamp the curb under the traction of the traction piece;
the two clamping pieces are connected through a plurality of connecting pieces, and the flexible connecting piece is connected to the connecting piece positioned at the upper part;
the adjusting rod is connected with the rotating shaft positioned on the hinged part.
4. A kerbstone handling apparatus of claim 3, wherein each of the clamps has two clamps disposed opposite each other, and wherein rubber pads are disposed on the two clamps to increase friction between the kerbstone and the clamps.
5. A kerbstone handling apparatus as recited in claim 1, wherein the flexible connection is an iron chain or a bungee cord.
6. A kerb handling apparatus as claimed in claim 1, wherein the frame of the trolley comprises: the rear supporting frame and the front supporting frame are connected; wherein,
the rear supporting frame and the front supporting frame are connected through a vertical connecting rod, the bottom of the vertical connecting rod is connected with a horizontal connecting rod, and two ends of the horizontal connecting rod are respectively connected with wheels.
7. The curb handling device of claim 6 wherein the rear support frame comprises: a rear operating lever and a plurality of first reinforcing members; wherein,
the rear operating rod is arranged above the wheels in the horizontal direction and is connected with the top of the vertical connecting rod;
the first reinforcing part is obliquely connected between the rear operating rod and the vertical connecting rod, and a triangular frame is formed below the rear operating rod.
8. The curb handling device of claim 7 wherein the front support frame comprises: a front operating lever and a plurality of second reinforcing members; wherein,
the front operating rod is positioned below the rear operating rod and is connected with the upper part of the vertical connecting rod;
the second reinforcement is connected between the front operating rod and the vertical connecting rod in an inclined manner, and a triangular frame is formed on at least one side of the front operating rod.
9. Kerbstone handling apparatus of claim 8, wherein the end of the front operating bar is provided with a securing ring to secure the pulling member; and a hanging ring is arranged at the position of the front operating rod close to the middle part and is used for penetrating and controlling the traction direction of the traction piece.
10. Kerbstone handling apparatus of claim 8, wherein a third reinforcement is disposed between the adjustment bar and the front operating bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098798.5U CN212799551U (en) | 2020-06-15 | 2020-06-15 | Curb handling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098798.5U CN212799551U (en) | 2020-06-15 | 2020-06-15 | Curb handling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212799551U true CN212799551U (en) | 2021-03-26 |
Family
ID=75096603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021098798.5U Active CN212799551U (en) | 2020-06-15 | 2020-06-15 | Curb handling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212799551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735033A (en) * | 2021-09-15 | 2021-12-03 | 国网山东省电力公司鱼台县供电公司 | Cable trench cover opening device |
| CN113895842A (en) * | 2021-10-25 | 2022-01-07 | 广东电网有限责任公司 | Cable carrying device |
-
2020
- 2020-06-15 CN CN202021098798.5U patent/CN212799551U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735033A (en) * | 2021-09-15 | 2021-12-03 | 国网山东省电力公司鱼台县供电公司 | Cable trench cover opening device |
| CN113895842A (en) * | 2021-10-25 | 2022-01-07 | 广东电网有限责任公司 | Cable carrying device |
| CN113895842B (en) * | 2021-10-25 | 2023-11-07 | 广东电网有限责任公司 | Cable carrying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212799551U (en) | Curb handling device | |
| CN206958389U (en) | A kind of water supply and sewerage pipeline lays processing unit | |
| CN108394848A (en) | A kind of simple kerbstone handling device and application method | |
| CN209618587U (en) | A kind of municipal administration is paved the way with the earth grille convenient for winding | |
| CN220079652U (en) | Device for transferring and installing curbstone | |
| CN210707436U (en) | Stone material transport shallow | |
| CN214573175U (en) | A distributing device for town road engineering curb | |
| CN216861465U (en) | Road curbstone transportation tool | |
| CN211139355U (en) | Stone strip transport driving | |
| CN209721363U (en) | A kind of lifting pipeline auxiliary device | |
| CN211519531U (en) | Curb handling tool | |
| CN208603150U (en) | Curbstone handling device | |
| CN208715217U (en) | The laborsaving transfer Simple vehicle of the small matter heavy articles of engineering body | |
| CN114148925A (en) | Pipeline transportation hoisting accessory for municipal administration pipeline construction | |
| CN211169652U (en) | Portable small-size concrete pipe transportation and hoist device | |
| CN112813777A (en) | Material distribution device for municipal road engineering kerbstone and kerbstone construction method | |
| CN208120620U (en) | Pipe tilting vehicle | |
| CN111749708A (en) | Steel construction is used in tunnel excavation support | |
| CN211338728U (en) | Portable lever lifting and transporting integrated machine | |
| CN108033093B (en) | Municipal works sanitation garbage bin transport frame | |
| CN216190555U (en) | Larsen steel sheet pile moving and transporting device for urban sewage zero-direct-drainage project | |
| CN217350675U (en) | Curbstone handling device | |
| CN217997746U (en) | Curbstone carrying and laying tool | |
| CN218371270U (en) | Portable curbstone lifts by crane conveyer | |
| CN109591872A (en) | A kind of steel pipe transporting device for Municipal Engineering Construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |