CN109024192A - Trapezoidal ditch slip-form machine - Google Patents
Trapezoidal ditch slip-form machine Download PDFInfo
- Publication number
- CN109024192A CN109024192A CN201810878019.4A CN201810878019A CN109024192A CN 109024192 A CN109024192 A CN 109024192A CN 201810878019 A CN201810878019 A CN 201810878019A CN 109024192 A CN109024192 A CN 109024192A
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- Prior art keywords
- plate
- trapezoidal ditch
- mounting plate
- form machine
- slip
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4886—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ for forming in a continuous operation kerbs, gutters, berms, safety kerbs, median barriers or like structures in situ, e.g. by slip-forming, by extrusion
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention relates to a kind of trapezoidal ditch slip-form machines, including mounting plate；One molding structure, set on the lower section of mounting plate, the shape adaptation of the molding structure and trapezoidal ditch, the side plate being arranged symmetrically including two in herringbone, the distance between both side plate is gradually reduced from top to bottom, and the bottom of both side plate is connected with each other by bottom plate, and the top of two side plates extends outward to form two horizontal pressing plates, cloth material mouth is provided on molding structure, cloth material mouth penetrates through two side plates and two pressing plates；One distribution cabins, the open top of distribution cabins, the distribution cabins include two pieces of long drapery panels, and the two sides of two pieces of long drapery panels pass through short drapery panel respectively and are fixedly connected, the bottom of long drapery panel is extended downward into be fixedly connected with bottom plate and two side plates, and cloth material mouth is located in distribution cabins；One walking mechanism and a vibration device, vibration device is set to the top of bottom plate, for driving trapezoidal ditch slip-form machine body vibration.The one-pass molding of trapezoidal ditch concreting may be implemented in the present invention.
Description
Technical field
The present invention relates to ditch concrete placing installation technical fields, and in particular to a kind of trapezoidal ditch slip-form machine.
Background technique
When building trapezoidal ditch, it usually needs excavate groove using the trapezoidal bucket of customization, then need to the groove
Concreting is carried out, and guarantees that two sides, a bottom edge and two outers in trapezoidal ditch are smooth, traditional ditch construction
Technique is poured using gradation formwork, and this construction technology can not make concreting process one-pass molding, higher cost.
Summary of the invention
For the defects in the prior art, the technical problem to be solved in the present invention is to provide a kind of trapezoidal ditch slip-form machine,
To realize the one-pass molding of trapezoidal ditch concreting.
In order to solve the above technical problems, the present invention provides a kind of trapezoidal ditch slip-form machine, including a mounting plate；One molding
Structure, set on the lower section of the mounting plate, the shape adaptation of the molding structure and trapezoidal ditch, including two are in herringbone pair
Claiming the side plate of arrangement, the distance between both side plate is gradually reduced from top to bottom, and the bottom of both side plate is connected with each other by bottom plate, and
The top of two side plates extends outward to form two horizontal pressing plates, which bends downward shape far from the direction of the side plate
At two vertical baffles, and two pressing plates are fixedly connected with the two sides of the mounting plate respectively, in the molding structure
On be provided with cloth material mouth, which penetrates through two side plates and two pressing plates；One distribution cabins, the top of the distribution cabins
Opening, and it is located at the top of the mounting plate at the open top of the distribution cabins, which includes two pieces along the mounting plate
Width direction arrangement long drapery panel, the two sides of two pieces of long drapery panels pass through short drapery panel respectively and are fixedly connected, the long cloth
The bottom of flitch is extended downward into be fixedly connected with the bottom plate and two side plates, and the short drapery panel is fixedly connected on the gear
The top of plate, and the cloth material mouth is located in the distribution cabins；One walking mechanism, be set to the pressing plate and the mounting plate it
Between；One vibration device, set on the top of the bottom plate, for driving trapezoidal ditch slip-form machine body vibration.
Trapezoidal ditch is excavated using trapezoidal bucket is customized, and is then carried out concrete to ditch using slip-form machine of the invention and is poured
Build up type, it includes two sidewalls, a bottom wall and convex be connected at the top of two sidewalls two that trapezoidal ditch, which needs the face of pouring molding,
Table top, the molding structure of slip-form machine of the invention are adapted to the face to be formed in ditch, wherein two side plates and water of molding structure
The side wall of ditch is adapted to, and bottom plate is adapted to the bottom wall in ditch, and pressing plate is adapted to boss face, and baffle is used to be coated on the outer of boss face
Side, to limit the boundary of boss face.In casting concrete, concrete is fallen from the open top of distribution cabins by operator
Enter, then the concrete entered in distribution cabins can move downward under gravity, and be discharged from cloth material mouth and be laid on water
In two boss faces of ditch and in the two side walls in ditch, the concrete being laid on side wall can flow to ditch under the effect of gravity
Bottom wall on；Walking mechanism will drive slip-form machine and integrally move along the length direction in ditch, during the motion, vibration device
Work drives slip-form machine body vibration, under the action of molding structure, is smoothed out and is pressed with the concrete of ditch molding face contact
It is real.It can be seen that trapezoidal ditch slip-form machine of the invention can by distribution cabins, walking mechanism, molding structure and vibration device
To realize the one-pass molding of trapezoidal ditch concreting, it ensure that construction quality and line style, applied fundamentally solving tradition
The defect that work technique gradation formwork pours, and in operation, it is only necessary to concrete is toppled over into distribution cabins, it is easily operated.
Preferably, the middle position in the distribution cabins is provided with a distributing structure, which includes symmetrical cloth
The two pieces of cutting plates set, two cutting plates arrange that the distance between two cutting plates are gradually increased from top to bottom, and two points in splayed
It is mutually permanently connected at the top of flitch.The direction of motion can be changed under the action of distributing structure into the concrete in distribution cabins,
It is laid in the two side walls in ditch respectively, concrete is effectively prevent to accumulate in sub-material storehouse, be conducive to save concrete material.
Preferably, the angle between two pieces of cutting plates is 60 °, to improve flow velocity of the concrete on cutting plate, is prevented
Only concrete is deposited on cutting plate.
Preferably, the bottom of the cutting plate is flushed with the boundary of the side plate, then concrete, can after being detached from cutting plate
It is directly contacted with the side wall in trapezoidal ditch, improves sub-material precision.
Preferably, the walking mechanism includes the driving shaft and driven shaft being arranged between the mounting plate and pressing plate, institute
The both ends for stating driving shaft and driven shaft are arranged with traveling wheel；Be provided with driving motor on the mounting plate, the driving motor with
Chain conveyer connects between the driving shaft；It is provided in the two sides of the length direction in trapezoidal ditch and is adapted to the traveling wheel
Track.
Preferably, the track includes channel steel, and the angle steel of a back-off is welded on the channel steel, and traveling wheel is crossed on angle steel
At the seamed edge at top, to play the linear effect for limiting traveling wheel position and being precisely controlled to type structure.
Preferably, the vibration device includes two vibrators, and two vibrators are respectively arranged on the distribution cabins
Two sides, two vibrators can transmit these vibrations on molding structure, squeeze vibration to generate to the concrete in trapezoidal ditch
The effect of smashing improves the quality of concreting so that concrete is compacted.
Preferably, the mounting plate is provided with a generator, the generator and the driving motor and the mechatronics that vibrate,
Generator is added, may not need and be electrically connected driving motor and vibrator with city, convenient for the overall movement of trapezoidal ditch slip-form machine.
Preferably, the short drapery panel is in fold-line-shaped, including vertical portion and rake, the vertical portion are located at the installation
It is fixedly connected at the top of the top of plate, the bottom of the rake and the baffle, to block the cloth material mouth on pressing plate, prevents from mixing
Solidifying soil leakage.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the main view of the trapezoidal ditch slip-form machine of the embodiment of the present invention；
Fig. 2 is the side view of the trapezoidal ditch slip-form machine of the embodiment of the present invention；
Fig. 3 is the top view of the trapezoidal ditch slip-form machine of the embodiment of the present invention；
Fig. 4 is the trapezoidal ditch of the embodiment of the present invention and the attachment structure schematic diagram of molding structure.
Appended drawing reference:
1- mounting plate；2- molding structure；3- distribution cabins；The trapezoidal ditch 4-；5- walking mechanism；6- vibrator；7- generator；
21- side plate；22- bottom plate；23- pressing plate；24- baffle；25- cloth material mouth；26- support plate；31- long drapery panel；32- is short
Drapery panel；33- cutting plate；41- side wall；42- bottom wall；43- boss face；51- driving shaft；52- driven shaft；53- traveling wheel；54-
Driving motor；55- track；56- retarder；
The vertical portion 321-；322- rake.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
As shown in Figure 1, Figure 2 and Figure 3, present embodiment discloses a kind of trapezoidal ditch slip-form machines, including mounting plate 1, molding
Structure 2 and distribution cabins 3, wherein molding structure 2 is located at the lower section of mounting plate 1, the side being arranged symmetrically including two in herringbone
Plate 21, the distance between both side plate 21 are gradually reduced from top to bottom, and the bottom of both side plate 21 is connected with each other by bottom plate 22, and two
The top of a side plate 21 extends outward to form two horizontal pressing plates 23, which bends downward far from the direction of side plate 21
Two vertical baffles 24 are formed, and two pressing plates 23 are fixedly connected with the two sides of mounting plate 1 respectively, on above-mentioned molding structure 2
It is provided with cloth material mouth 25, which penetrates through two side plates 21 and two pressing plates 23.
In the present embodiment, trapezoidal ditch 4 is excavated using trapezoidal bucket is customized, and trapezoidal ditch 4 needs the bread of pouring molding
Include two sidewalls 41, a bottom wall 42 and with two boss faces 43 (with reference to Fig. 4) for being connected at the top of two sidewalls 41, above-mentioned molding structure
2 are adapted to the face to be formed in trapezoidal ditch 4, wherein and two side plates 21 of molding structure 2 are adapted to the side wall 41 in trapezoidal ditch 4,
Bottom plate 22 is adapted to the bottom wall 42 in trapezoidal ditch 4, and pressing plate 23 is adapted to boss face 43, and baffle 24 is for being coated on boss face 43
Outside, to limit the boundary of boss face 43.
The present embodiment is respectively provided with to enhance the integral strength of molding structure 2 at the both ends of the length direction of molding structure 2
There is a support plate 26, which is connected between two side plates 21 and bottom plate 2.
The open top of above-mentioned distribution cabins 3, and it is located at the top of mounting plate 1, the cloth at the open top of the distribution cabins 3
Storehouse 3 includes the long drapery panel 31 that two pieces of width directions along mounting plate 1 are arranged, the two sides of two pieces long drapery panel 31 pass through short respectively
Drapery panel 32 is fixedly connected, and the bottom of long drapery panel 31 is extended downward into be fixedly connected with bottom plate 22 and two side plates 21, short cloth
Flitch 32 is in fold-line-shaped, including vertical portion 321 and rake 322, and the bottom of the vertical portion 321 and the top of rake 322 are logical
Cross horizontal part connection, wherein vertical portion 321 is located at the top of mounting plate 1, the bottom of rake 322 and the top of baffle 24
It is fixedly connected, so that cloth material mouth 25 is located in distribution cabins 3.
In casting concrete, concrete is poured by operator from the open top of distribution cabins 3, then enters cloth
Concrete in storehouse 3 can move downward under gravity, and be discharged from cloth material mouth 25 and be laid on the two of trapezoidal ditch 4
In a boss face 43 and in the two side walls 41 in trapezoidal ditch 4, the concrete being laid on side wall 41 can flow under the effect of gravity
To the bottom wall 42 in trapezoidal ditch 4.
The trapezoidal ditch slip-form machine of the present embodiment further includes walking mechanism 5 and vibration device, wherein walking mechanism includes setting
Set driving shaft 51 and the driven shaft 52 between mounting plate 1 and pressing plate 23, the both ends of driving shaft 51 and driven shaft 52 are arranged with
Traveling wheel 53 is provided with driving motor 54 on mounting plate 1, and chain conveyer connects between the driving motor 54 and driving shaft 51, this
In embodiment, in order to limit the speed of service of slip-form machine, retarder 56 is additionally provided between driving motor 54 and driving shaft 51,
The output shaft of driving motor 54 and the input axis connection of retarder 56, chain conveyer between the output shaft and driving shaft 51 of retarder 56
Connection, the track 55 being adapted to traveling wheel 53 is provided in the two sides of the length direction in trapezoidal ditch 4, which includes slot
Steel is welded with the angle steel of a back-off on the channel steel, and traveling wheel 53 is crossed at the seamed edge at the top of angle steel, limits walking to play
53 positions and the linear effect for being precisely controlled to type structure are taken turns, in practice, track 55 is laid on the two sides in trapezoidal ditch 4,
And the boundary certain distance apart from the trapezoidal ditch 4.
Above-mentioned vibration device includes two vibrators 6, and two vibrators 6 are respectively arranged on the two sides of distribution cabins 3, in order to shake
Stamper 6 transmits these vibrations on molding structure 2, and in the present embodiment, vibrator 6 uses high frequency (150HZ) flat vibration of 1.5KW
Stamper.
When walking mechanism 5 drives slip-form machine integrally to move along the length direction in trapezoidal ditch 4, from operator to cloth
Concrete material is added in feed bin 3, so that concrete is laid on the face to be formed in trapezoidal ditch 4, in the mistake of slip-form machine movement
Cheng Zhong, concrete generation extruding vibrate effect of the molding structure 2 to being laid in trapezoidal ditch 4, the effect of vibration of vibrator 6,
It can not only make concrete uniformly be laid in the forming surface in trapezoidal ditch 4, it is also possible that concrete is compacted, improve mixed
Coagulate the pouring quality of soil, it can be seen that, the trapezoidal ditch slip-form machine of the present embodiment can make the concreting in trapezoidal ditch 4
One-pass molding improves construction efficiency (improving 1.6 times compared with traditional handicraft), and cost-saved 30 yuan/m.
Further, middle position of the present embodiment in above-mentioned distribution cabins 3 is provided with a distributing structure, the distributing structure
Including two pieces of cutting plates 33 being arranged symmetrically, two cutting plates 33 are arranged in splayed, the distance between two cutting plates 33 from up to
Under be gradually increased, and the top of two cutting plates 33 is mutually permanently connected, then the concrete entered in distribution cabins 3 can be in cutting plate 33
Under the action of change the direction of motion, be laid in the two side walls 41 in trapezoidal ditch 4 respectively, effectively prevent concrete in sub-material storehouse
Accumulation in 3 is conducive to save concrete material.
Specifically, the angle between two pieces of cutting plates 33 is 60 °, to improve flow velocity of the concrete on cutting plate 33, is prevented
Only concrete is deposited on cutting plate 33.
Specifically, the bottom of cutting plate 33 is extended to flushes with the boundary of side plate 21, then concrete is being detached from cutting plate 33
Afterwards, it can directly be contacted with the side wall 41 in trapezoidal ditch 4, improve sub-material precision.
Further, the present embodiment is additionally provided with a gasoline engine generator 7 on mounting plate 1, the generator 7 and above-mentioned driving
Motor 54 and vibrator 6 are electrically connected, to be not necessarily to then in construction by driving motor 54 for driving motor 54 and the power supply of vibrator 6
It is electrically connected with vibrator 6 with city, convenient for the overall movement of trapezoidal ditch slip-form machine.
The driving motor 54 of the present embodiment is the motor of 1.5KW, and generator 7 is 10KW gasoline engine generator, in practice,
The driving motor and generator that other models can be used, as long as generator 7 is able to satisfy the electricity consumption of driving motor 54 and vibrator 6
Demand, the output power of driving motor 54 can drive trapezoidal ditch slip-form machine to move integrally.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (9)
1. a kind of trapezoidal ditch slip-form machine characterized by comprising
One mounting plate；
One molding structure, set on the lower section of the mounting plate, the shape adaptation of the molding structure and trapezoidal ditch, including two be in
The side plate that herringbone is arranged symmetrically, the distance between both side plate are gradually reduced from top to bottom, and the bottom of both side plate passes through bottom plate
It is connected with each other, and the top of two side plates extends outward to form two horizontal pressing plates, side of the pressing plate far from the side plate
Two vertical baffles are formed to bending downward, and two pressing plates are fixedly connected with the two sides of the mounting plate respectively,
Cloth material mouth is provided on the molding structure, which penetrates through two side plates and two pressing plates；
One distribution cabins, the open top of the distribution cabins, and it is located at the top of the mounting plate at the open top of the distribution cabins, it should
Distribution cabins include the long drapery panel that two pieces of width directions along the mounting plate are arranged, the two sides of two pieces of long drapery panels pass through respectively
Short drapery panel is fixedly connected, and the bottom of the long drapery panel is extended downward into be fixedly connected with the bottom plate and two side plates, institute
The top that short drapery panel is fixedly connected on the baffle is stated, and the cloth material mouth is located in the distribution cabins；
One walking mechanism is set between the pressing plate and the mounting plate；
One vibration device, set on the top of the bottom plate, for driving trapezoidal ditch slip-form machine body vibration.
2. trapezoidal ditch slip-form machine according to claim 1, it is characterised in that:
Middle position in the distribution cabins is provided with a distributing structure, which includes two pieces of sub-materials being arranged symmetrically
Plate, two cutting plates arrange that the distance between two cutting plates are gradually increased from top to bottom, and the top phase of two cutting plates in splayed
Mutually it is fixedly connected.
3. trapezoidal ditch slip-form machine according to claim 2, it is characterised in that:
Angle between two pieces of cutting plates is 60 °.
4. trapezoidal ditch slip-form machine according to claim 2, it is characterised in that:
The bottom of the cutting plate is flushed with the boundary of the side plate.
5. trapezoidal ditch slip-form machine according to claim 1, it is characterised in that:
The walking mechanism includes the driving shaft and driven shaft being arranged between the mounting plate and pressing plate, the driving shaft and from
The both ends of moving axis are arranged with traveling wheel；
It is provided with driving motor on the mounting plate, chain conveyer connects between the driving motor and the driving shaft；
The track being adapted to the traveling wheel is provided in the two sides of the length direction in trapezoidal ditch.
6. trapezoidal ditch slip-form machine according to claim 5, it is characterised in that:
The track includes channel steel, and the angle steel of a back-off is welded on the channel steel.
7. trapezoidal ditch slip-form machine according to claim 5, it is characterised in that:
The vibration device includes two vibrators, and two vibrators are respectively arranged on the two sides of the distribution cabins.
8. trapezoidal ditch slip-form machine according to claim 7, it is characterised in that:
The mounting plate is provided with a generator, the generator and the driving motor and the mechatronics that vibrate.
9. trapezoidal ditch slip-form machine according to claim 1, it is characterised in that:
The short drapery panel is in fold-line-shaped, including vertical portion and rake, the vertical portion are located at the top of the mounting plate, institute
It states and is fixedly connected at the top of the bottom and the baffle of rake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878019.4A CN109024192A (en) | 2018-08-03 | 2018-08-03 | Trapezoidal ditch slip-form machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878019.4A CN109024192A (en) | 2018-08-03 | 2018-08-03 | Trapezoidal ditch slip-form machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024192A true CN109024192A (en) | 2018-12-18 |
Family
ID=64649343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810878019.4A Pending CN109024192A (en) | 2018-08-03 | 2018-08-03 | Trapezoidal ditch slip-form machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109024192A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254784A (en) * | 2020-03-08 | 2020-06-09 | 中铁十四局集团第三工程有限公司 | Integral moulding machine and method for highway tunnel sewage ditch |
| CN113718715A (en) * | 2021-09-18 | 2021-11-30 | 盐城鑫素元机械制造有限公司 | Slope pouring equipment and system |
| CN113863226A (en) * | 2021-10-29 | 2021-12-31 | 尚鹏军 | Trapezoidal ditch synovial membrane machine of accurate cloth |
| CN118087341A (en) * | 2024-04-23 | 2024-05-28 | 山西平榆高速公路有限责任公司 | Slip form construction device for curb |
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|---|---|---|---|---|
| CN102191761A (en) * | 2011-05-26 | 2011-09-21 | 刘玉合 | Water ditch concrete pouring machine |
| JP4970209B2 (en) * | 2007-10-02 | 2012-07-04 | 株式会社ダイクレ | Drainage unit |
| CN202494125U (en) * | 2012-02-21 | 2012-10-17 | 山东开泰工业科技有限公司 | Biomass power generation feeding device |
| CN106758704A (en) * | 2017-02-24 | 2017-05-31 | 中铁三局集团有限公司 | A kind of gutter disposal molding construction equipment and construction method |
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2018
- 2018-08-03 CN CN201810878019.4A patent/CN109024192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4970209B2 (en) * | 2007-10-02 | 2012-07-04 | 株式会社ダイクレ | Drainage unit |
| CN102191761A (en) * | 2011-05-26 | 2011-09-21 | 刘玉合 | Water ditch concrete pouring machine |
| CN202494125U (en) * | 2012-02-21 | 2012-10-17 | 山东开泰工业科技有限公司 | Biomass power generation feeding device |
| CN106758704A (en) * | 2017-02-24 | 2017-05-31 | 中铁三局集团有限公司 | A kind of gutter disposal molding construction equipment and construction method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254784A (en) * | 2020-03-08 | 2020-06-09 | 中铁十四局集团第三工程有限公司 | Integral moulding machine and method for highway tunnel sewage ditch |
| CN113718715A (en) * | 2021-09-18 | 2021-11-30 | 盐城鑫素元机械制造有限公司 | Slope pouring equipment and system |
| CN113863226A (en) * | 2021-10-29 | 2021-12-31 | 尚鹏军 | Trapezoidal ditch synovial membrane machine of accurate cloth |
| CN118087341A (en) * | 2024-04-23 | 2024-05-28 | 山西平榆高速公路有限责任公司 | Slip form construction device for curb |
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Application publication date: 20181218 |
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