CN111877432B - Excavating equipment for cement pipeline laying groove - Google Patents
Excavating equipment for cement pipeline laying groove Download PDFInfo
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- CN111877432B CN111877432B CN202010778313.5A CN202010778313A CN111877432B CN 111877432 B CN111877432 B CN 111877432B CN 202010778313 A CN202010778313 A CN 202010778313A CN 111877432 B CN111877432 B CN 111877432B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
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Abstract
The invention provides excavating equipment for a cement pipeline laying groove, which is used for solving the problem of low efficiency of manual groove digging in the prior art. The method comprises the following steps: the power mechanism comprises a main body and an engine, and the engine is provided with a power wheel; the grooving mechanism comprises a support ring, a bucket, a spiral material conveyor and a pair of support arms; the spiral conveyor comprises a driving shaft, a spiral blade and a material barrel, the driving shaft and the support ring are fixed through a connecting frame, the connecting frame is arranged on only one side of the support ring, the driving shaft is further mounted on a support arm at one end through a bearing, the material barrel is fixed with one of the support arms, a discharge hole is formed in one end, where the material barrel is fixed with the support arm, and a driving wheel is arranged on the driving shaft; and the adjusting mechanism is used for adjusting the slotting depth of the slotting mechanism.
Description
Technical Field
The invention relates to the field of cement pipeline laying equipment, in particular to excavating equipment for a cement pipeline laying groove.
Background
The concrete cement pipe can be used as a sewer pipeline in urban construction foundations, can discharge sewage and flood control drainage, and can be used as a water supply pipe and a farmland motor-pumped well in special factories and mines.
Concrete cement pipes the road culvert we see is essentially treated as such. You can pour the concrete cushion layer well and then install the pipe, the pipe orifice is butted and leveled, and the socket pipe should be cushioned with a proper amount of mortar at the lower opening of the pipe to ensure the consistent width around the pipe orifice. Alternatively, the cobblestones or via broken stones may be selected to reduce friction against each other. The pipe seam is poured with a sealing strip, the operation is standardized, and the water leakage can be reduced only by strictly constructing according to the construction operation standard. Constructing according to the standard, cleaning the opening, chiseling, coating slurry, filling joints, compacting and polishing the interface. A flexible interface, namely a rubber strip and rubber ring interface matched with a concrete cement pipe, is required to be adopted if water does not leak.
The concrete cement pipeline is laid through the processes of measurement setting-out, trench excavation, pipeline foundation construction, pipeline laying and pipe inner repair, concrete pouring inspection well, town pouring and trench backfilling.
The existing construction process adopts manual trenching, and then uses a crane to hoist the cement pipeline into the trench for laying, which has the problem of low working efficiency.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, it is an object of the present invention to provide an excavating equipment for a cement pipe-laying trough, which solves the problem of low efficiency of manual trough excavation in the prior art.
To achieve the above and other related objects, the present invention provides an excavating equipment for a cement pipe-laying trough, comprising:
the power mechanism comprises a main body and an engine, wheels are arranged at the bottom of the main body, the engine is provided with power wheels, and the engine drives the main body to move;
the grooving mechanism comprises a support ring, a bucket, a spiral material conveyor and a pair of support arms; the axis of the support ring is in the left and right direction, a plurality of blanking ports are arranged on the support ring, the bucket is provided with a plurality of blanking ports which are fixed on the outer side of the support ring, the blanking ports correspond to the bucket in position, the spiral feeder comprises a drive shaft, a spiral blade and a feed cylinder, the drive shaft is fixed with the support ring through a connecting frame, only one side of the support ring is provided with the connecting frame, the drive shaft is coaxially arranged with the support ring, the drive shaft is also arranged on the support arm at one end through a bearing, the feed cylinder is fixed with one of the support arms, the connecting frame and the support arm fixed by the feed cylinder are respectively positioned on the two sides of the support ring, the upper end of the middle part of the feed cylinder is provided with a collecting hopper, the collecting hopper is used for collecting soil in the bucket rotating to the top, and the feed cylinder and the one end fixed by the support arm are provided with a discharge port, the other end of the support arm is hinged to the main body, a driving wheel is arranged on the driving shaft and is in transmission connection with the power wheel, the driving wheel is located on the outer side of the connecting frame, and the connecting position of the support arm and the driving shaft is located on the outer side of the connecting frame;
and the adjusting mechanism is used for adjusting the slotting depth of the slotting mechanism.
Optionally, the support arm comprises a first support arm and a second support arm, the first support arm and the cartridge are fixed, the cartridge and the drive shaft are matched through a bearing, and the second support arm and the drive shaft are matched through a bearing.
Optionally, the support arm includes a first support arm and a second support arm, the first support arm and the drive shaft are matched through a bearing, the first support arm is further fixed with the cartridge through an auxiliary arm, the cartridge and the drive shaft are matched through a bearing, and the second support arm is matched with the drive shaft through a bearing.
Optionally, one end of the support arm is rotatably connected with the drive shaft, and the other end of the support arm is rotatably mounted on the main body through a hinge shaft;
the articulated shaft is provided with an intermediate wheel, and the intermediate wheel is connected with the driving wheel through a driving part;
the articulated shaft is also provided with an input wheel, and the input wheel is connected with the power wheel through a transmission part.
Optionally, the adjusting mechanism includes at least one linear driving member, one end of the linear driving member is hinged to the main body, and the other end of the linear driving member is hinged to the support arm.
Optionally, the linear drive is a hydraulic cylinder.
Optionally, the transmission member is chain transmission, belt transmission or gear transmission.
Optionally, still include guiding mechanism, guiding mechanism includes guide frame and elasticity and connects the nest of tubes, guide frame top and afterbody are open structure, the guide frame bottom is equipped with the wheel, the guide frame front end is floated and is connected the afterbody of main part, the guide frame can be at upper and lower direction and/or left and right sides orientation come-up, elasticity connects the nest of tubes to be installed in the guide frame, elasticity connects the nest of tubes to include a plurality of front and back parallel arrangement's guide roll, the axis of guide roll is on left and right sides orientation, the guide roll is used for receiving and bears the cement pipeline, after the pressure of receiving the cement pipeline, is close to the guide roll downstream formation slope guide structure of rear side to derive the cement pipeline backward.
Optionally, the elastic pipe connecting group further comprises elastic vertical supports, the elastic vertical supports are used for supporting the guide rollers, and each guide roller corresponds to one elastic vertical support;
the elastic connecting pipe group comprises an initial equal-height group and an initial inclined group, and the initial equal-height group is positioned in front of the initial inclined group;
in the initial equal-height group, the elasticity of the elastic vertical supports positioned at the front is larger than that of the elastic vertical supports positioned at the rear, and each guide roller in the initial equal-height group is equal to the same height in a state that a cement pipeline is not contacted;
in a state where the cement pipe is not in contact, each of the guide rollers in the initial inclined group is sequentially lowered in height from front to back.
Optionally, the elastic vertical support comprises a support cylinder, a guide rod, a support and a spring, the support cylinder is fixed to the bottom of the guide frame, the guide rod is fixed to the lower end of the support and forms a step structure, the upper end of the support and the two ends of the guide roller are rotatably connected, the spring is sleeved on the guide rod, and the spring is located between the support cylinder and the guide rod.
As described above, the excavating equipment for a cement pipe-laying trough according to the present invention has at least the following advantageous effects:
through the public drive shaft of screw feeder and support ring, on the one hand the structure is simpler, moreover, the steam generator is compact in structure, simultaneously, the earth of the blanking port on the support ring can fall into the screw feeder, then the screw feeder exports earth from the side, thereby two actions of slotting and unearthing are realized, and only one power output is used, simultaneously, through the setting of adjustment mechanism, the regulation of the slotting depth of the slotting mechanism is realized, thereby different depth slotting requirements are realized, slotting automation before laying of a cement pipeline is realized, and the construction efficiency is greatly improved.
Drawings
Fig. 1 is a schematic view showing a first embodiment of an excavating equipment for a cement pipe laying trough according to the present invention.
Fig. 2 is a schematic view showing a second embodiment of the excavating equipment for a cement pipe laying trough according to the present invention.
Fig. 3 shows a driving diagram at an articulated shaft of the excavating equipment for a cement pipe-laying trough of the present invention.
Fig. 4 is a schematic view showing a first embodiment of the trenching mechanism of the excavating equipment for laying a cement pipe with a trench according to the present invention.
Fig. 5 is a schematic view showing a second embodiment of the trenching mechanism of the excavating equipment for a cement pipe-laying trench according to the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1 to 5, the present invention provides an embodiment of an excavating equipment for a cement pipe laying trough, comprising: the slotting machine comprises a power mechanism 1, a slotting mechanism 2 and an adjusting mechanism 3, wherein the power mechanism 1 comprises a main body 11 and an engine 12, wheels are arranged at the bottom of the main body 11, the engine 12 is provided with power wheels 121, and the engine 12 drives the main body 11 to move; the slotting mechanism 2 comprises a support ring 21, a bucket 22, a spiral feeder 23 and a pair of support arms 24; the axis of the support ring 21 is in the left-right direction, the support ring 21 is provided with a plurality of blanking ports 211, the bucket 22 is provided with a plurality of blanking ports 211, the position of the blanking ports 211 corresponds to the position of the bucket 22, the spiral feeder 23 comprises a driving shaft 231, a spiral blade 232 and a material barrel 233, the spiral blade 232 is welded on the driving shaft 231, the driving shaft 231 and the support ring 21 are fixed through a connecting frame 212, only one side of the support ring 21 is provided with the connecting frame 212, the driving shaft 231 and the support ring 21 are coaxially arranged, the driving shaft 231 is further arranged on the end support arm 24 through a bearing, the material barrel 233 and one of the support arms 24 are fixed, the connecting frame 212 and the support arms 24 fixed by the material barrel 233 are respectively arranged at two sides of the support ring 21, and the design of the structure, the connecting frame 212 on the supporting ring 21 can be prevented from interfering with the material cylinder 233 when rotating, the material collecting hopper 2331 is arranged at the upper end of the middle part of the material cylinder 233, the material collecting hopper 2331 is used for collecting soil in the bucket 22 rotating to the top, the material cylinder 233 and one end, fixed to the supporting arm 24, are provided with the material outlet 2332, the other end of the supporting arm 24 is hinged to the main body 11, the driving shaft 231 is provided with the driving wheel 2311, the driving wheel 2311 is in transmission connection with the power wheel 121, the driving wheel 2311 is positioned on the outer side of the connecting frame 212, and the connecting position of the supporting arm 24 and the driving shaft 231 is positioned on the outer side of the connecting frame 212; the adjusting mechanism 3 is used for adjusting the slotting depth of the slotting mechanism 2. Through a common drive shaft 231 of spiral feeder 23 and support ring 21, on the one hand, the structure is simpler, moreover, the steam generator is compact in structure, simultaneously, the earth of blanking port 211 on the support ring 21 can fall into spiral feeder 23, then spiral feeder 23 exports earth from the side, thereby two actions of grooving and unearthing are realized, and only one power output is used, simultaneously, the setting through adjustment mechanism 3 is realized, the adjustment of the grooving depth of grooving mechanism 2 is realized, thereby different depth grooving demands are realized, the grooving automation before laying of a cement pipeline is realized, and the construction efficiency is greatly improved.
In this embodiment, referring to fig. 5, the support arm 24 includes a first support arm 241 and a second support arm 242, the first support arm 241 is fixed to the barrel 233, the barrel 233 is engaged with the driving shaft 231 through a bearing, and the second support arm 242 is engaged with the driving shaft 231 through a bearing.
In this embodiment, referring to fig. 4, the support arm 24 includes a first support arm 241 and a second support arm 242, the first support arm 241 is engaged with the driving shaft 231 through a bearing, the first support arm 241 is further fixed with the barrel 233 through an auxiliary arm 2411, the barrel 233 is engaged with the driving shaft 231 through a bearing, and the second support arm 242 is engaged with the driving shaft 231 through a bearing.
In this embodiment, referring to fig. 2, one end of the support arm 24 is rotatably connected to the driving shaft 231, and the other end of the support arm 24 is rotatably mounted on the main body 11 through the hinge shaft 4; an intermediate wheel 41 is arranged on the articulated shaft 4, and the intermediate wheel 41 is connected with the driving wheel 2311 through a driving part 5; the articulated shaft 4 is also fixedly sleeved with an input wheel 42, and the input wheel 42 is connected with the power wheel 121 through a transmission piece 5. Through the design of articulated shaft 4, realized the rotation of fluting mechanism 2 and connected, simultaneously because fluting action in the front of fluting mechanism 2 and unearthed action need drive, set up input wheel 42 on articulated shaft 4, input wheel 42 and power wheel 121 pass through driving medium 5 to be connected, make and move input wheel 42 as power input, then give drive wheel 2311 through intermediate wheel 41 power transmission, drive wheel 2311 drives drive shaft 231 again and rotates, drive shaft 231 drives helical blade 232 again, simultaneously drive shaft 231 drives support ring 21 and rotates, bucket 22 on the support ring 21 carries out the grooving operation to ground.
In this embodiment, referring to fig. 1 and fig. 2, the adjusting mechanism 3 includes at least one linear driving element 31, specifically, one linear driving element 31 may be used, or two linear driving elements 31 may be used, and the first support arm 241 and the second support arm 242 correspond to one linear driving element 31, so that the stress is more uniform, and the pressure-bearing capacity of the first linear driving element 31 and the second linear driving element 31 is increased, specifically, optionally, the linear driving element 31 is a hydraulic cylinder. One end of the linear driving element 31 is hinged to the main body 11, and the other end of the linear driving element 31 is hinged to the support arm 24.
In this embodiment, the transmission member 5 may be a chain transmission, a belt transmission, or a gear transmission.
In this embodiment, referring to fig. 2, the excavating equipment for a cement pipe laying trough further comprises a guide mechanism 6, the guide mechanism 6 comprises a guide frame 61 and an elastic connecting pipe group 62, the top and the tail of the guide frame 61 are both open structures, wheels are arranged at the bottom of the guide frame 61, the front end of the guide frame 61 is connected with the tail part of the main body 11 in a floating way, the guide frame 61 is capable of floating in the vertical direction and/or the horizontal direction, the elastic hose set 62 is installed in the guide frame 61, the elastic pipe joint group 62 includes a plurality of guide rollers 621 arranged in parallel in tandem, the axes of the guide rollers 621 being in the left-right direction, the guide rollers 621 serving to receive and carry the cement pipe 7, after receiving the pressure of the cement pipe 7, the guide roller 621 near the rear side moves downward to form an inclined guide structure, and guides the cement pipe 7 rearward. When the fluting, power unit 1 promotes fluting mechanism 2 and advances forward and realize the fluting, then the afterbody is dragging guiding mechanism 6, put into elasticity takeover group 62 with cement pipeline 7 through artifical or other auxiliary assembly on, then cement pipeline 7 slides down the inslot from elasticity takeover group 62 again, realize laying in advance to cement pipeline 7, carry out operations such as final butt joint adjustment through the manual work again at last, design through guide roll 621, can let cement pipeline 7 landing more easily, elastic construction's design simultaneously, make cement pipeline 7 can cushion the impact force when putting guiding mechanism 6 on, thereby protect cement pipeline 7.
In this embodiment, referring to fig. 2, the elastic connecting tube group 62 further includes elastic vertical supports 622, the elastic vertical supports 622 are used for supporting the guide rollers 621, and each guide roller 621 corresponds to one elastic vertical support 622; the elastic connecting tube group 62 comprises an initial equal height group 623 and an initial inclined group 624, and the initial equal height group 623 is positioned in front of the initial inclined group 624; in the initial equal-height group 623, the elasticity of the elastic vertical supports 622 positioned at the front is greater than the elasticity of the elastic vertical supports 622 positioned at the rear, and the guide rollers 621 in the initial equal-height group 623 are equal in height when the cement pipe 7 is not in contact with the elastic vertical supports 622; in a state where the cement pipe 7 is not in contact with the guide rolls 621 of the initial inclined group 624 are sequentially lowered in height from front to back. That is, the cement pipe 7 is initially placed on the initial contour group 623, and then the elastic vertical supports 622 at the tail part are deformed more due to the difference of the elastic force of the elastic vertical supports 622, and then an inclined structure is formed, so that the cement pipe 7 slides down along the same direction.
In this embodiment, referring to fig. 2, specifically, optionally, the elastic vertical support 622 includes a support cylinder 6221, a guide rod 6222, a support 6223, and a spring 6224, the support cylinder 6221 is fixed to the bottom of the guide frame 61, the guide rod 6222 is fixed to the lower end of the support 6223 and forms a step structure, the upper end of the support 6223 is rotatably connected to the two ends of the guide roller 621, the spring 6224 is sleeved on the guide rod 6222, and the spring 6224 is located between the support cylinder 6221 and the guide rod 6222. This configuration is merely exemplary and other resilient configurations of the vent can be implemented, such as a damping cylinder or the like. The adaptation is realized by adjusting the size of the elastic force.
In summary, the screw feeder 23 and the support ring 21 share the same drive shaft 231, so that the structure is simpler and more compact, the soil at the blanking port 211 on the support ring 21 can fall into the screw feeder 23, and then the screw feeder 23 outputs the soil from the side, so that two actions of slotting and unearthing are realized, only one power output is used, and meanwhile, the slotting depth of the slotting mechanism 2 is adjusted through the arrangement of the adjusting mechanism 3, so that the slotting requirements of different depths are realized, the slotting automation before the cement pipeline 7 is laid is realized, and the construction efficiency is greatly improved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. Excavating equipment for a cement pipe laying trough, comprising:
the power mechanism comprises a main body and an engine, wheels are arranged at the bottom of the main body, the engine is provided with power wheels, and the engine drives the main body to move;
the grooving mechanism comprises a support ring, a bucket, a spiral material conveyor and a pair of support arms; the axis of the support ring is in the left and right direction, a plurality of blanking ports are arranged on the support ring, the bucket is provided with a plurality of blanking ports which are fixed on the outer side of the support ring, the blanking ports correspond to the bucket in position, the spiral feeder comprises a drive shaft, a spiral blade and a material cylinder, the drive shaft is fixed with the support ring through a connecting frame, only one side of the support ring is provided with the connecting frame, the drive shaft is coaxially arranged with the support ring, the drive shaft is also arranged on the support arm at one end through a bearing, the material cylinder is fixed with one of the support arms, the connecting frame and the support arm fixed with the material cylinder are respectively arranged on two sides of the support ring, the upper end of the middle part of the material cylinder is provided with a material collecting hopper, the material collecting hopper is used for collecting soil in the bucket rotating to the top, and the material cylinder and the one end fixed with the support arm are provided with a discharge port, the other end of the support arm is hinged to the main body, a driving wheel is arranged on the driving shaft and is in transmission connection with the power wheel, the driving wheel is located on the outer side of the connecting frame, and the connecting position of the support arm and the driving shaft is located on the outer side of the connecting frame;
the adjusting mechanism is used for adjusting the slotting depth of the slotting mechanism;
the cement pipeline guide device is characterized by further comprising a guide mechanism, the guide mechanism comprises a guide frame and an elastic pipe connecting set, the top and the tail of the guide frame are both of an open structure, wheels are arranged at the bottom of the guide frame, the front end of the guide frame is connected to the tail of the main body in a floating mode, the guide frame can float in the vertical direction and/or the horizontal direction, the elastic pipe connecting set is installed in the guide frame and comprises a plurality of guide rollers which are arranged in parallel in the front and back direction, the axes of the guide rollers are in the horizontal direction, the guide rollers are used for receiving and bearing cement pipelines, and after pressure of the cement pipelines is received, the guide rollers close to the rear side move downwards to form an inclined guide structure and guide the cement pipelines backwards;
the elastic pipe connecting group further comprises elastic vertical supports, each elastic vertical support is used for supporting the guide rollers, each guide roller corresponds to one elastic vertical support, the elastic pipe connecting group comprises an initial equal-height group and an initial inclined group, the initial equal-height group is positioned in front of the initial inclined group, in the initial equal-height group, the elasticity of the elastic vertical support positioned in front is larger than that of the elastic vertical support positioned in back, in the non-contact state of the cement pipeline, each guide roller in the initial equal-height group is equal in height, and in the non-contact state of the cement pipeline, each guide roller in the initial inclined group is sequentially reduced in height from front to back;
the elastic vertical support comprises a support cylinder, a guide rod, a support and a spring, wherein the support cylinder is fixed to the bottom of the guide frame, the guide rod is fixed to the lower end of the support and forms a step structure, the upper end of the support is connected with the two ends of the guide roller in a rotating mode, the spring is sleeved on the guide rod, and the spring is located between the support cylinder and the guide rod.
2. The excavating equipment for a cement pipe-laying trough according to claim 1, wherein: the support arm includes first support arm and second support arm, first support arm with the feed cylinder is fixed, the feed cylinder with the drive shaft passes through the bearing cooperation, the second support arm with the drive shaft passes through the bearing cooperation.
3. The excavating equipment for a cement pipe-laying trough according to claim 1, wherein: the support arm includes first support arm and second support arm, first support arm with the drive shaft passes through the bearing cooperation, first support arm still through the auxiliary arm with the feed cylinder is fixed, the feed cylinder with the drive shaft passes through the bearing cooperation, the second support arm pass through the bearing with the drive shaft cooperation.
4. The excavating equipment for a cement pipe-laying trough according to claim 1, wherein: one end of the support arm is rotatably connected with the driving shaft, and the other end of the support arm is rotatably arranged on the main body through a hinge shaft;
the articulated shaft is provided with an intermediate wheel, and the intermediate wheel is connected with the driving wheel through a driving part;
the articulated shaft is also provided with an input wheel, and the input wheel is connected with the power wheel through a transmission part.
5. The excavating equipment for a cement pipe-laying trough according to claim 4, wherein: the adjusting mechanism comprises at least one linear driving piece, one end of the linear driving piece is hinged to the main body, and the other end of the linear driving piece is hinged to the support arm.
6. The excavating equipment for a cement pipe-laying trough according to claim 5, wherein: the linear driving piece is a hydraulic cylinder.
7. The excavating equipment for a cement pipe-laying trough according to claim 4, wherein: the transmission piece is in chain transmission, belt transmission or gear transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778313.5A CN111877432B (en) | 2020-08-05 | 2020-08-05 | Excavating equipment for cement pipeline laying groove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778313.5A CN111877432B (en) | 2020-08-05 | 2020-08-05 | Excavating equipment for cement pipeline laying groove |
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| CN111877432A CN111877432A (en) | 2020-11-03 |
| CN111877432B true CN111877432B (en) | 2022-02-01 |
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| CN202010778313.5A Active CN111877432B (en) | 2020-08-05 | 2020-08-05 | Excavating equipment for cement pipeline laying groove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115679784A (en) * | 2022-11-30 | 2023-02-03 | 中国二十二冶集团有限公司 | Integrated trolley for construction of road-passing hose in road surface reconstruction process |
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| AU7704081A (en) * | 1980-11-18 | 1982-05-27 | Fiat Allis North America Inc. | Earth moving equipment with pivoting earth ejector |
| CN101693490A (en) * | 2009-10-13 | 2010-04-14 | 南京钢铁股份有限公司 | Bucket wheel mechanism suitable for lump ore stacking and taking operation |
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| CN210123044U (en) * | 2019-07-13 | 2020-03-03 | 徐红飞 | Pipeline laying auxiliary device for hydraulic engineering construction |
| CN111255001A (en) * | 2020-03-05 | 2020-06-09 | 山东水利职业学院 | Ditching machine for water supply and drainage pipeline engineering construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366394B (en) * | 2017-08-09 | 2023-10-17 | 北京东方雨虹防水工程有限公司 | Hot melt paving waterproof coiled material locomotive |
| CN209670219U (en) * | 2019-03-15 | 2019-11-22 | 潍坊市金源防水材料股份有限公司 | A kind of laying apparatus of waterproof roll |
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2020
- 2020-08-05 CN CN202010778313.5A patent/CN111877432B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7704081A (en) * | 1980-11-18 | 1982-05-27 | Fiat Allis North America Inc. | Earth moving equipment with pivoting earth ejector |
| CN101693490A (en) * | 2009-10-13 | 2010-04-14 | 南京钢铁股份有限公司 | Bucket wheel mechanism suitable for lump ore stacking and taking operation |
| CN204401675U (en) * | 2014-12-31 | 2015-06-17 | 中铁十二局集团有限公司 | Rearmounted disc type drainage groove ditching machine |
| CN206679706U (en) * | 2017-04-12 | 2017-11-28 | 中建七局第四建筑有限公司 | A kind of building waste conveyer |
| CN210123044U (en) * | 2019-07-13 | 2020-03-03 | 徐红飞 | Pipeline laying auxiliary device for hydraulic engineering construction |
| CN111255001A (en) * | 2020-03-05 | 2020-06-09 | 山东水利职业学院 | Ditching machine for water supply and drainage pipeline engineering construction |
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| CN111877432A (en) | 2020-11-03 |
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