CN115404929A - Auxiliary laying device for heating ventilation pipe - Google Patents

Auxiliary laying device for heating ventilation pipe Download PDF

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Publication number
CN115404929A
CN115404929A CN202211211263.8A CN202211211263A CN115404929A CN 115404929 A CN115404929 A CN 115404929A CN 202211211263 A CN202211211263 A CN 202211211263A CN 115404929 A CN115404929 A CN 115404929A
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CN
China
Prior art keywords
fixed
plate
sleeve
top surface
bottom plate
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Pending
Application number
CN202211211263.8A
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Chinese (zh)
Inventor
彭智远
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Individual
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Individual
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Priority to CN202211211263.8A priority Critical patent/CN115404929A/en
Publication of CN115404929A publication Critical patent/CN115404929A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/04Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging screws
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10Dredgers 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses an auxiliary laying device for heating ventilation pipes, which comprises a bottom plate, wherein two connecting plates are symmetrically fixed at one end of the bottom plate, the two connecting plates are arranged in an inclined manner, sleeves are respectively fixed at the bottom ends of the two connecting plates, and a press roller is arranged between the two sleeves. This device passes through the V-arrangement push pedal, the compression roller, the setting of pressure sheave, this device walks the back at the bottom of the pit, can leave a compaction level and smooth ground, leave the recess of placing by the compaction of placing warm logical pipeline in the central department of compaction level and smooth ground simultaneously, when warm logical pipeline puts into and places the recess in like this, its bottom arcwall face contacts completely with the recess, need not fill out soil between pipeline bottom arcwall face and the bottom of the pit, simultaneously effectually avoid producing gap or cavity between pipeline bottom arcwall face and the bottom of the pit, warm logical pipeline has not only been protected, also effectual subsides of back filling soil of having avoided, effectual laying work for warm siphunculus provides convenience.

Description

Laying device is assisted to warm siphunculus
Technical Field
The invention relates to the field of heating ventilation, in particular to an auxiliary laying device for a heating ventilation pipe.
Background
The heating and ventilation pipeline has a very wide application range, is called as heating and gas supplying ventilation and air conditioning engineering in disciplinary classification, and comprises the following steps: the three aspects of heating, ventilation and air conditioning are indispensable parts of the future families in terms of functions. In the use process of the existing warm ventilation pipeline, in order to avoid occupying space and avoiding fluid in the warm ventilation pipeline from freezing, a main pipeline is usually buried under the ground,
at present when burying warm siphunculus underground with leading to pipe, at first dig out the pit of laying warm siphunculus through heavy equipment such as excavator, then put warm siphunculus into the hole through the loop wheel machine and weld, will later through digging the steady placing in the hole bottom of leading to of good welding warm siphunculus of machine, because hole bottom unevenness needs artifical pad soil or with unnecessary bellied soil spade flattening, warm siphunculus bottom just can with the hole bottom steady contact like this, this process is comparatively loaded down with trivial details, the manpower that needs is more, and when backfilling in the hole, because warm siphunculus cross-section is circular, so can not filled in by complete between backfill in-process warm siphunculus bottom arcwall face and the hole bottom, there is the gap very probably or cavity, there is the region of hanging in the pipeline bottom arcwall face like this, compaction backfilling in-process pipeline bottom arc can be because unsettled and direct atress, lead to pipeline welding department breaks, the gap between warm siphunculus bottom arcwall face and the hole bottom slowly can be filled in because of reasons such as raining, cause the land of pipeline top to collapse this moment, the condition of road surface takes place to collapse.
Disclosure of Invention
In order to solve the existing problems, the invention provides an auxiliary laying device for a heating and ventilation pipe.
The invention is realized by the following technical scheme:
a heating and ventilation pipe auxiliary laying device comprises a bottom plate, wherein two connecting plates are symmetrically fixed at one end of the bottom plate, the two connecting plates are arranged in an inclined manner, sleeves are respectively fixed at the bottoms of the two connecting plates, a compression roller is arranged between the two sleeves, two ends of a rotating shaft of the compression roller respectively penetrate through the two sleeves and are respectively fixed with a retaining ring, the rotating shaft of the compression roller is rotatably connected with the sleeves through bearings, a V-shaped push plate is arranged at the side end of the compression roller and is fixedly connected with the side end of the bottom plate through two first connecting plates, the bottom end of the V-shaped push plate is 5-10cm higher than the bottom end of the compression roller, counterweight plates are respectively and symmetrically fixed at two sides of the top surface of the bottom plate, two connecting blocks are symmetrically fixed at the other end of the bottom plate, first sleeves are respectively fixed at the other ends of the two connecting blocks, the same rotating shaft is sleeved in the two first sleeves, and is rotatably connected with the first sleeves through bearings, the device comprises a first sleeve, a second sleeve, a rotating shaft, a first storage battery, a second storage battery, a driving motor, a first belt pulley, a belt, a guide rod and a guide rod, wherein the two sides of the first sleeve are respectively provided with a limiting ring, the limiting rings are fixedly sleeved on the rotating shaft, the two ends of the rotating shaft are respectively fixed with wheels, the center of the rotating shaft is fixedly sleeved with the belt pulley, the upper end of the rotating shaft is provided with an L-shaped plate, the bottom end of the L-shaped plate is fixedly connected with one end of the top surface of a bottom plate, one side of the top surface of the L-shaped plate is fixedly provided with the storage battery, the other side of the top surface of the L-shaped plate is fixedly provided with the driving motor, the output shaft of the driving motor is fixedly provided with the first belt pulley, the first belt pulley is connected with the belt pulley, the top surface of the L-shaped plate is provided with a notch for allowing a belt to pass through, the top surface of the bottom plate, the bottom plate is fixedly connected with one end of the bottom plate, the bottom plate is fixedly connected with the guide rod, the mounting panel top surface central authorities department fixed mounting has electric telescopic handle, electric telescopic handle's flexible end pierces through the mounting panel and is fixed with first mounting panel, and four guide bars run through the four corners department of first mounting panel respectively and rather than the equal sliding connection of contact department, logical groove has been seted up on the bottom plate top surface of first mounting panel lower extreme, first mounting panel bottom surface central authorities department symmetry is fixed with two second connecting plates, and two second connecting plate bottom all are fixed with the second sleeve, are equipped with the pressure sheave between two second sleeves, the pivot both ends of pressure sheave pass two second sleeves respectively and are fixed with first retaining ring respectively, pass through bearing swivelling joint between the pivot of pressure sheave and the second sleeve, are equipped with the feed cylinder between two second connecting plates, the feed cylinder is the slope form setting, the feed cylinder both sides respectively through fixed block and two second connecting plate relative lateral wall fixed connection, feed cylinder top one end fixed mounting has the motor, the output shaft of motor pierces through the feed cylinder and stretches into the internal fixation and is equipped with the auger, the feed cylinder bottom stretches out the feed cylinder bottom is higher than pressure sheave bottom end 4-8cm, and is fixed with the discharging pipe under and is connected with the discharge pipe the relative inclined plane of feed cylinder bottom and third mounting plate top end, there is a second connecting plate bottom end fixed connection.
Preferably, the driving motor, the electric telescopic rod and the motor are respectively and electrically connected with the storage battery through conducting wires.
Preferably, the diameter of the material conveying cylinder is 4-8cm smaller than that of the pressure groove wheel.
Compared with the prior art, the invention has the beneficial effects that: this device passes through the V-arrangement push pedal, the compression roller, the setting of pressure sheave, this device walks the back at the bottom of the pit, can leave a compacting and level and smooth ground, leave the recess of placing by the compacting of placing warm logical pipeline in compacting and level and smooth ground central authorities department simultaneously, when warm logical pipeline is put into and is placed the recess in like this, its bottom arcwall face contacts completely with the recess, need not fill out the soil between pipeline bottom arcwall face and the bottom of the pit, effectually avoid producing gap or hole between pipeline bottom arcwall face and the bottom of the pit simultaneously, warm logical pipeline has not only been protected, also effectually avoid subsiding of backfill soil, the effectual work of laying for warm siphunculus provides convenience.
Drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a perspective view of the present invention shown in FIG. 1;
FIG. 3 is a bottom view of the structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic representation of the operation of the structure of the present invention;
fig. 5 is a schematic diagram of the heating and ventilation pipe pre-buried pit after the structure works.
In the figure: the device comprises a bottom plate 1, a connecting plate 2, a sleeve 3, a pressing roller 4, a retainer ring 5, a first connecting plate 6, a V-shaped push plate 7, a counterweight plate 8, an L-shaped plate 9, a connecting block 10, a first sleeve 11, a rotating shaft 12, a belt pulley 13, a limiting ring 14, a wheel 15, a driving motor 16, a first belt pulley 17, a belt 18, a storage battery 19, a V-shaped guide chute 20, a mounting plate 21, an electric telescopic rod 22, a guide rod 23, a first mounting plate 24, a second connecting plate 25, a second sleeve 26, a groove pressing wheel 27, a first retainer ring 28, a material conveying cylinder 29, a third connecting plate 30, a material discharging pipe 31, an auger 32 and a motor 33.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, 2, 3, 4 and 5, an auxiliary laying device for heating and ventilation pipes comprises a bottom plate 1, wherein two connecting plates 2 are symmetrically fixed at one end of the bottom plate 1, the two connecting plates 2 are obliquely arranged, sleeves 3 are respectively fixed at the bottom ends of the two connecting plates 2, a compression roller 4 is arranged between the two sleeves 3, two ends of a rotating shaft of the compression roller 4 respectively penetrate through the two sleeves 3 and are respectively fixed with a retainer ring 5, the rotating shaft of the compression roller 4 is rotatably connected with the sleeves 3 through a bearing, a V-shaped push plate 7 is arranged at the side end of the compression roller 4, the V-shaped push plate 7 is fixedly connected with the side end of the bottom plate 1 through two first connecting plates 6, the bottom end of the V-shaped push plate 7 is 5-10cm higher than the bottom end of the compression roller 4, two balance weight plates 8 are respectively symmetrically fixed at two sides of the top surface of the bottom plate 1, and two connecting blocks 10 are symmetrically fixed at the other end of the bottom plate 1, the other ends of the two connecting blocks 10 are respectively fixed with a first sleeve 11, the two first sleeves 11 are sleeved with a same rotating shaft 12, the rotating shaft 12 is rotatably connected with the first sleeve 11 through a bearing, two sides of the first sleeve 11 are respectively provided with a spacing ring 14, the spacing ring 14 is fixedly sleeved on the rotating shaft 12, two ends of the rotating shaft 12 are respectively fixed with wheels 15, the central part of the rotating shaft 12 is fixedly sleeved with a belt pulley 13, the upper end of the rotating shaft 12 is provided with an L-shaped plate 9, the bottom end of the L-shaped plate 9 is fixedly connected with one end of the top surface of the bottom plate 1, one side of the top surface of the L-shaped plate 9 is fixedly provided with a storage battery 19, the other side of the top surface of the L-shaped plate 9 is fixedly provided with a driving motor 16, the output shaft of the driving motor 16 is fixedly provided with a first belt pulley 17, and the first belt pulley 17 is in transmission connection with the belt pulley 13 through a belt 18, the top surface of the L-shaped plate 9 is provided with a groove for a belt 18 to pass through, the top surface of the bottom plate 1 is fixed with a V-shaped guide chute 20, the right upper end of the bottom plate 1 is provided with a mounting plate 21, four corners of the bottom end of the mounting plate 21 are respectively fixed with a guide rod 23, the bottom end of the guide rod 23 is fixedly connected with the top surface of the bottom plate 1, the center of the top surface of the mounting plate 21 is fixedly provided with an electric telescopic rod 22, the telescopic end of the electric telescopic rod 22 penetrates through the mounting plate 21 and is fixed with a first mounting plate 24, the four guide rods 23 respectively penetrate through the four corners of the first mounting plate 24 and are in sliding connection with the contact positions of the first mounting plate 24, the top surface of the bottom plate 1 at the lower end of the first mounting plate 24 is provided with a through groove, the center of the bottom surface of the first mounting plate 24 is symmetrically fixed with two second connecting plates 25, the bottom ends of the two second connecting plates 25 are both fixed with second sleeves 26, and a pressure grooved pulley 27 is arranged between the two second sleeves 26, the two ends of the rotating shaft of the pressure sheave 27 respectively penetrate through the two second sleeves 26 and are respectively fixed with a first check ring 28, the rotating shaft of the pressure sheave 27 is rotatably connected with the second sleeves 26 through a bearing, a material conveying cylinder 29 is arranged between the two second connecting plates 25, the material conveying cylinder 29 is arranged in an inclined shape, two sides of the material conveying cylinder 29 are respectively fixedly connected with two opposite side walls of the two second connecting plates 25 through fixing blocks, one end of the top of the material conveying cylinder 29 is fixedly provided with a motor 33, an output shaft of the motor 33 penetrates through the material conveying cylinder 29 and extends into the material conveying cylinder 29 to be fixed with an auger 32, the bottom end of the auger 32 extends out of the material conveying cylinder 29, the bottom end of the material conveying cylinder 29 is higher than the bottom end of the pressure sheave 27 by 4-8cm, a material discharging pipe 31 is fixedly connected on an inclined plane under the material conveying cylinder 29, the material discharging pipe 31 is communicated with the material conveying cylinder 29, and the bottom end of the material discharging pipe 31 is arranged opposite to the top end of the V-shaped material conveying groove 20, and a third connecting plate 30 is fixed at the bottom end of the first mounting plate 24, and the bottom end of the third connecting plate 30 is fixedly connected with the feed delivery cylinder 29.
The driving motor 16, the electric telescopic rod 22 and the motor 33 are respectively electrically connected with the storage battery 19 through conducting wires.
The diameter of the material conveying cylinder 29 is 4-8cm smaller than the diameter of the pressure groove of the pressure grooved wheel 27.
The working principle is as follows: when the invention is used, before the device is placed in a pit, firstly, grooves for placing the bottom end of the material conveying cylinder 29 and the bottom end of the pressure sheave 27 are dug at the bottom of the pit, then the device is placed in the pre-buried pit of the heating through pipe, then the telescopic end of the electric telescopic rod 22 is controlled to extend to the maximum degree, so that the bottom end of the material conveying cylinder 29 and the bottom end of the pressure sheave 27 are descended into the grooves dug in advance at the bottom of the pit, then the motor 33 is started, the auger 32 in the material conveying cylinder 29 rotates, then the driving motor 16 is started, the driving motor 16 drives the rotating shaft 12 to rotate through the first belt pulley 17, the belt 18 and the belt pulley 13 when in operation, the rotating shaft 12 synchronously drives the wheels 15 to rotate, the device is driven to move forwards when the wheels 15 rotate, at the moment, the V-shaped push plate 7 approximately flattens the uneven bottom surface of the pit bottom and pushes redundant soil to two sides of the pit bottom, meanwhile, the compression roller 4 behind the V-shaped push plate 7 performs compaction and leveling work on the pit bottom ground, so that the ground with a pipeline placed at the pit bottom is compacted, meanwhile, along with the forward movement of the device, the bottom end of a material conveying cylinder 29 behind the compression roller 4 moves forwards from a pit bottom groove placed before, a groove for placing the pipeline is dug out at the center of the pit bottom compacted by the compression roller 4 by an auger 32 extending out of the bottom end of the material conveying cylinder 29, the auger 32 conveys soil upwards through the material conveying cylinder 29 in the grooving process, finally the soil is discharged through a material discharging pipe 31, the soil discharged from the material discharging pipe 31 falls onto the V-shaped material guide chute 20 and falls onto two sides of the pit bottom through inclined planes on two sides of the V-shaped material guide chute 20, and a groove pressing wheel 27 arranged behind the material conveying cylinder 29 compacts the groove dug by the auger 32 along with the forward movement of the device, so that the groove for placing the pipeline becomes tighter and a compacted and leveled ground is left at the pit bottom which the device passes, meanwhile, the compressed groove for placing the warm ventilation pipeline is reserved in the center of the compressed flat ground, when the warm ventilation pipeline is placed in the groove, the bottom arc-shaped surface of the warm ventilation pipeline is in complete contact with the groove, soil does not need to be filled between the bottom arc-shaped surface of the pipeline and the bottom of the pit, gaps or holes are effectively prevented from being formed between the bottom arc-shaped surface of the pipeline and the bottom of the pit, the warm ventilation pipeline is protected, the backfill soil is effectively prevented from collapsing, and the warm ventilation pipeline is effectively laid conveniently.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. An auxiliary laying device for a heating and ventilation pipe comprises a bottom plate (1) and is characterized in that; the bottom plate (1) one end symmetry is fixed with two connecting plates (2), and two connecting plates (2) are the slope form setting, and two connecting plate (2) bottoms are fixed with sleeve (3) respectively, are equipped with compression roller (4) between two sleeve (3), compression roller (4) pivot both ends are passed two sleeve (3) respectively and are fixed with retaining ring (5) respectively, through bearing swivelling joint between compression roller (4) pivot and sleeve (3), compression roller (4) side is equipped with V-arrangement push pedal (7), V-arrangement push pedal (7) are through two first connecting plate (6) and bottom plate (1) side fixed connection, V-arrangement push pedal (7) bottom is higher than compression roller (4) bottom 5-10cm, bottom plate (1) top surface both sides symmetry respectively are fixed with counter weight plate (8), bottom plate (1) other end symmetry is fixed with two connecting blocks (10), two connecting block (10) other ends are fixed with first sleeve (11) respectively, and two first sleeve (11) endotheca are equipped with same rotation axis (12) in two first sleeve (11), rotation axis (12) and first sleeve (11) both sides are equipped with first sleeve (11) fixed ring (14) respectively, rotation axis (14) both ends are fixed at limiting ring (14) wheel (14) respectively, the utility model discloses a motor vehicle seat, including rotation axis (12) central authorities department fixed cover have belt pulley (13), be equipped with L shaped plate (9) directly over rotation axis (12), L shaped plate (9) bottom and bottom plate (1) top surface one end fixed connection, L shaped plate (9) top surface one side fixed mounting has battery (19), L shaped plate (9) top surface opposite side fixed mounting has driving motor (16), fixed mounting has first belt pulley (17) on the output shaft of driving motor (16), be connected through belt (18) transmission between first belt pulley (17) and belt pulley (13), the fluting that supplies belt (18) to pass is seted up to L shaped plate (9) top surface, bottom plate (1) top surface is fixed with V-arrangement baffle box (20), be equipped with mounting panel (21) directly over bottom plate (1), mounting panel (21) bottom four corners department is fixed with guide bar (23) respectively, guide bar (23) bottom and bottom plate (1) top surface fixed connection, mounting panel (21) top surface central authorities fixed mounting panel (21) have electric telescopic handle (22) and the flexible end mounting panel (21) pierce through fixed mounting panel (24) and be connected with the equal angle department of four first guide bar (24) and its sliding connection, the bottom plate (1) of the lower end of the first mounting plate (24) is provided with a through groove on the top surface, the central part of the bottom surface of the first mounting plate (24) is symmetrically fixed with two second connecting plates (25), the bottom ends of the two second connecting plates (25) are respectively fixed with a second sleeve (26), a pressure groove wheel (27) is arranged between the two second sleeves (26), the two ends of the rotating shaft of the pressure groove wheel (27) respectively penetrate through the two second sleeves (26) and are respectively fixed with a first check ring (28), the rotating shaft of the pressure groove wheel (27) is connected with the second sleeves (26) through a bearing in a rotating manner, a material conveying cylinder (29) is arranged between the two second connecting plates (25), the material conveying cylinder (29) is arranged in an inclined manner, the discharging pipes of the two sides of the material conveying cylinder (29) are respectively fixedly connected with the opposite side walls of the two second connecting plates (25) through a fixing block, a motor (33) is fixedly arranged at one end of the top of the material conveying cylinder (29), the output shaft of the motor (33) penetrates through the material conveying cylinder (29) and extends into the material conveying cylinder (29) and is fixedly connected with a packing auger (32), the packing auger (32) at the bottom end of the auger (29), the auger (29) is higher than the bottom end of the auger (29) and is connected with a lower inclined plane (31) which is connected with the auger (31, the lower inclined plane (31) and is connected with the auger (31) which is connected with the lower inclined plane (31) of the auger (29 cm (31) and is connected with the lower inclined plane (31), and discharging pipe (31) bottom sets up with V-arrangement baffle box (20) top relatively, first mounting panel (24) bottom mounting has third connecting plate (30), third connecting plate (30) bottom and feeding cylinder (29) fixed connection.
2. The auxiliary laying device for the heating ventilation pipe as claimed in claim 1, wherein: the driving motor (16), the electric telescopic rod (22) and the motor (33) are electrically connected with the storage battery (19) through conducting wires respectively.
3. The auxiliary laying device for the heating ventilation pipe as claimed in claim 1, wherein: the diameter of the material conveying cylinder (29) is 4-8cm smaller than the diameter of the pressure groove of the pressure grooved wheel (27).
CN202211211263.8A 2022-09-30 2022-09-30 Auxiliary laying device for heating ventilation pipe Pending CN115404929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211211263.8A CN115404929A (en) 2022-09-30 2022-09-30 Auxiliary laying device for heating ventilation pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211211263.8A CN115404929A (en) 2022-09-30 2022-09-30 Auxiliary laying device for heating ventilation pipe

Publications (1)

Publication Number Publication Date
CN115404929A true CN115404929A (en) 2022-11-29

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Application Number Title Priority Date Filing Date
CN202211211263.8A Pending CN115404929A (en) 2022-09-30 2022-09-30 Auxiliary laying device for heating ventilation pipe

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CN (1) CN115404929A (en)

Citations (10)

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Publication number Priority date Publication date Assignee Title
NO750169L (en) * 1974-01-22 1975-08-18 Petroles Cie Francaise
CN208618384U (en) * 2018-05-23 2019-03-19 河北秦淮数据有限公司 A kind of bottom hole pressure leveling device for building foundation pit
CN111058500A (en) * 2019-12-10 2020-04-24 戴鹏 Slotting device for hydraulic engineering construction
CN211816528U (en) * 2019-12-20 2020-10-30 唐峰 Water conservancy construction device for garden construction
CN112554259A (en) * 2020-12-14 2021-03-26 廖冬花 Ground ditch excavating equipment for building site
CN112681425A (en) * 2020-12-16 2021-04-20 管宗元 Ditching agricultural machinery based on pressure information
CN112922063A (en) * 2021-02-19 2021-06-08 王小雪 Digging device for camp drainage ditch in geological exploration
CN213896965U (en) * 2020-12-06 2021-08-06 刘宏艳 Accumulated soil pushing device for road maintenance
CN214005781U (en) * 2020-09-27 2021-08-20 西昌科威洋葱种业有限责任公司 Single-row ditcher for agricultural planting
CN113718874A (en) * 2021-09-07 2021-11-30 安徽信息工程学院 Communication pipeline embedding device capable of automatically ditching

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO750169L (en) * 1974-01-22 1975-08-18 Petroles Cie Francaise
CN208618384U (en) * 2018-05-23 2019-03-19 河北秦淮数据有限公司 A kind of bottom hole pressure leveling device for building foundation pit
CN111058500A (en) * 2019-12-10 2020-04-24 戴鹏 Slotting device for hydraulic engineering construction
CN211816528U (en) * 2019-12-20 2020-10-30 唐峰 Water conservancy construction device for garden construction
CN214005781U (en) * 2020-09-27 2021-08-20 西昌科威洋葱种业有限责任公司 Single-row ditcher for agricultural planting
CN213896965U (en) * 2020-12-06 2021-08-06 刘宏艳 Accumulated soil pushing device for road maintenance
CN112554259A (en) * 2020-12-14 2021-03-26 廖冬花 Ground ditch excavating equipment for building site
CN112681425A (en) * 2020-12-16 2021-04-20 管宗元 Ditching agricultural machinery based on pressure information
CN112922063A (en) * 2021-02-19 2021-06-08 王小雪 Digging device for camp drainage ditch in geological exploration
CN113718874A (en) * 2021-09-07 2021-11-30 安徽信息工程学院 Communication pipeline embedding device capable of automatically ditching

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国机械工业年鉴编辑委员会 等: "《中国工程机械年鉴 2000》", 30 April 2001, 机械工业出版社, pages: 307 *

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