CN209614727U - Indoor fire-fighting Pipe installing equipment - Google Patents
Indoor fire-fighting Pipe installing equipment Download PDFInfo
- Publication number
- CN209614727U CN209614727U CN201920091439.8U CN201920091439U CN209614727U CN 209614727 U CN209614727 U CN 209614727U CN 201920091439 U CN201920091439 U CN 201920091439U CN 209614727 U CN209614727 U CN 209614727U
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- movable plate
- pedestal
- bolt
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of indoor fire-fighting Pipe installing equipment, are related to fire protection pipeline technical field, its key points of the technical solution are that including pedestal and the lifting device for being set to pedestal；The lifting device includes the movable plate vertically slid, is installed on movable plate for fixing the multiple groups fixed mechanism of fire protection pipeline and being installed on driving mechanism of the pedestal for driving movable plate mobile；Fixed mechanism described in every group includes vertically being fixed in the baffle of one end at the top of movable plate, being fixed in the fixed plate of the other end at the top of movable plate, be connected to the bolt of fixed plate along the width direction sliding of movable plate, be fixed in bolt one end and be connected to the abutting plate of movable plate along the sliding of the width direction of movable plate and be socketed on the first spring of bolt；The abutting plate is close to baffle plate setting；The both ends of first spring are respectively and fixedly connected in fixed plate and abut plate.The utility model solves the problems, such as that fire protection pipeline is installed in inconvenience, has achieved the effect that convenient for installing to fire protection pipeline.
Description
Technical field
The utility model relates to fire protection pipeline technical fields, more specifically, it is related to a kind of indoor fire-fighting Pipe installing
Use equipment.
Background technique
Fire protection pipeline refers to for connecting fire-fighting equipment, equipment in terms of fire-fighting, conveys fire-fighting fire extinguishing water, gas or
The pipeline material of other media.Due to specific demand, the thickness and material of fire protection pipeline have particular/special requirement, and spray reddish oil
Paint conveys fire demand water.
Fire protection pipeline length is long, when installing fire protection pipeline, be all by more piece fire protection pipeline carry out it is assembled from
And form longer fire protection pipeline；But existing fire protection pipeline is in assembly, is all to be lifted fire protection pipeline by operator
It rises and is welded and fixed, because carrying out welding to two fire protection pipelines needs the regular hour, need operator will
Fire protection pipeline lifts longer time, the labor intensity of operator can be made larger in this way, thus inconvenient to fire protection pipeline progress
Installation.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of indoor fire-fighting Pipe installing use
Equipment, by setting lifting device, convenient for being installed to fire protection pipeline.
To achieve the above object, the utility model provides following technical solution: a kind of indoor fire-fighting Pipe installing is with setting
It is standby, including pedestal and it is set to the lifting device of pedestal；The lifting device includes the movable plate vertically slid, is installed on
Movable plate is used to fix the multiple groups fixed mechanism of fire protection pipeline and is installed on driving machine of the pedestal for driving movable plate mobile
Structure；Fixed mechanism described in every group includes vertically being fixed in the baffle of one end at the top of movable plate, being fixed in the other end at the top of movable plate
Fixed plate, along movable plate width direction sliding be connected to fixed plate bolt, be fixed in bolt one end and along movable plate
Width direction sliding is connected to the abutting plate of movable plate and is socketed on the first spring of bolt；The abutting plate is set close to baffle
It sets；The both ends of first spring are respectively and fixedly connected in fixed plate and abut plate.
By using above-mentioned technical proposal, when needing to promote fire protection pipeline, pull bolt mobile, mobile drive of bolt is supported
Fishplate bar is mobile, abuts plate movement and compresses to the first spring, the first spring is in confined state at this time, then by extinguishing pipe
Road is put on movable plate；After fire protection pipeline is placed on movable plate, bolt is unclamped, the first spring pushes abutting plate to offset at this time
Anti- pipeline is fixed；After fire protection pipeline is fixed, movable plate is driven to move up by driving mechanism, movable plate is to moving up
It is dynamic that fire protection pipeline is driven to move up, it is convenient for that fire protection pipeline is installed in this way.
The utility model is further arranged to: the lower rotation of the pedestal is connected with multiple not conllinear idler wheels, described
The arrestment mechanism of multiple groups and idler wheel one-to-one correspondence for being braked to idler wheel is provided on pedestal；Arrestment mechanism packet described in every group
Include the abutting block and driving abutting for being fixed in the fixed frame of base bottom, being connected to fixed frame along the length direction sliding of pedestal
The mobile driving assembly of block；The abutting block is connected to idler wheel.
It by using above-mentioned technical proposal, is driven by driving assembly and abuts block movement, abutted block movement and idler wheel is carried out
Braking, can make pedestal more stable in this way.
The utility model is further arranged to: the driving component includes the support plate for being fixed in base bottom, rotation company
Be connected to support plate and along the trunnion axis of the width direction of pedestal setting, be threadedly connected to the fastening nut of trunnion axis and be fixed in
The cam of trunnion axis one end；The trunnion axis is arranged and is connected with far from the side of cam far from one end protrusion support plate of cam
Handwheel；The fastening nut is connected to the side of support plate；The cam is connected to abutting block.
By using above-mentioned technical proposal, when needing to brake idler wheel, by rotating hand wheel rotating trunnion axis, water
Flat axis rotation band moving cam rotates, and the direction that cam rotate driving abuts block to close idler wheel is mobile, supports when abutting block with idler wheel
After connecing, trunnion axis is fixed by tightening fastening nut, idler wheel can be braked in this way；When needing to unclamp idler wheel
When, fastening nut is unclamped, by reversing handle reflecting level axis, trunnion axis reversion band moving cam is inverted, and cam reversion makes cam
It is separated with block is abutted, separates abutting block with idler wheel；Abutting block is driven to abut with idler wheel by driving assembly, in this way
Idler wheel can be made fixed stronger.
The utility model is further arranged to: the fixed frame includes two L shape bars, the horizon bar of two L shape bars
It is arranged along the length direction of pedestal, the both ends for abutting block have been respectively and fixedly connected with sliding block, the horizon bar point of two L shape bars
Not Guan Chuan the setting of two sliding blocks, two sliding blocks slide the horizon bar for being connected to two L shape bars respectively.
By using above-mentioned technical proposal, the horizon bar of L shape bar has guiding role to sliding block, can reduce abutting in this way
A possibility that block deviates in the length direction slipping along rack.
The utility model is further arranged to: it is socketed with second spring on the horizon bar of each L shape bar, described second
One end of spring is fixed in sliding block, and the other end is fixed in the vertical bar of L shape bar.
By using above-mentioned technical proposal, it is mobile to second towards band movable slider movement, sliding block when idler wheel movement to abut block
Spring is compressed, and second spring is in confined state at this time；When cam is not to abutting block and applying pressure, the second bullet at this time
Spring driving abuts block reset, can further decrease the labor intensity of operator in this way.
The utility model is further arranged to: pull rod, the both ends of the pull rod are provided between the two neighboring bolt
It is respectively and fixedly connected in two bolts far from the one end for abutting plate.
It is simple, convenient in this way convenient for pulling bolt simultaneously by the way that pull rod is arranged by using above-mentioned technical proposal.
The utility model is further arranged to: being offered the width direction for bolt along movable plate in the fixed plate and is slid
Sliding slot.
By using above-mentioned technical proposal, sliding slot has guiding role to bolt, can reduce bolt in this way along activity
A possibility that deviateing in the width direction slipping of plate.
The utility model is further arranged to: the driving mechanism is hydraulic elevator, and the hydraulic elevator includes top
Plate, the movable plate are fixed in the top of top plate.
By using above-mentioned technical proposal, start hydraulic elevator, hydraulic elevator driving movable plate moves up, in this way
Convenient for moving to movable plate, thus the labor intensity of operator can be reduced.
In conclusion the utility model has the advantages that compared with the prior art
1. pulling bolt mobile when needing to promote fire protection pipeline, bolt is mobile to drive abutting plate mobile, and it is mobile to abut plate
First spring is compressed, the first spring is in confined state at this time, and then fire protection pipeline is put on movable plate；When disappearing
After anti-pipeline is placed on movable plate, bolt is unclamped, the first spring pushes abutting plate that fire protection pipeline is fixed at this time；When disappearing
After anti-pipeline is fixed, movable plate is driven to move up by driving mechanism, movable plate, which moves up, drives fire protection pipeline upward
It is mobile, it is convenient for that fire protection pipeline is installed in this way；
2., by rotating hand wheel rotating trunnion axis, trunnion axis rotation band moving cam turns when needing to brake idler wheel
Dynamic, the direction that cam rotate driving abuts block to close idler wheel is mobile, after abutting block is abutted with idler wheel, by tightening fastening spiral shell
Trunnion axis is fixed in mother, can brake in this way to idler wheel；When needing to unclamp idler wheel, fastening nut is unclamped, is passed through
Reversing handle reflecting level axis, trunnion axis reversion band moving cam invert, cam reversion make cam with abutting block separate, then make to
Block is connect to separate with idler wheel；It drives abutting block to abut with idler wheel by driving assembly, can make idler wheel fixed more in this way
Securely；
3. starting hydraulic elevator, hydraulic elevator driving movable plate is moved up, and is convenient for moving movable plate in this way
It is dynamic, thus the labor intensity of operator can be reduced.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the structural schematic diagram of one group of arrestment mechanism of embodiment saliency.
In figure: 1, pedestal；11, handrail；12, idler wheel；2, lifting device；21, movable plate；22, fixed mechanism；221, it keeps off
Plate；222, fixed plate；2221, sliding slot；223, bolt；224, plate is abutted；225, the first spring；226, pull rod；23, hydraulic lifting
Machine；231, top plate；3, arrestment mechanism；31, fixed frame；311, L shape bar；32, block is abutted；321, sliding block；33, driving assembly；
331, support plate；332, trunnion axis；333, fastening nut；334, cam；335, handwheel；336, second spring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of indoor fire-fighting Pipe installing equipment, as shown in Figure 1, including pedestal 1, being set to 1 top of pedestal
Handrail 11 and be set to the lifting device 2 of pedestal 1.
As shown in Figure 1, lifting device 2 include vertically slide movable plate 21, be installed on movable plate 21 for fixation disappear
The multiple groups fixed mechanism 22 of anti-pipeline and it is installed on driving mechanism of the pedestal 1 for driving movable plate 21 mobile；Driving mechanism
For hydraulic elevator 23, hydraulic elevator 23 includes top plate 231, and movable plate 21 is fixed in the top of top plate 231.
As shown in Figure 1, every group of fixed mechanism 22 include the baffle 221 for being vertically fixed in 21 top one end of movable plate, it is affixed
Fixed plate 222 in the 21 top other end of movable plate, the sliding of the width direction along movable plate 21 are connected to the bolt of fixed plate 222
223, be fixed in 223 one end of bolt and along the width direction of movable plate 21 sliding be connected to movable plate 21 abutting plate 224 and
It is socketed on the first spring 225 of bolt 223；Pull rod 226, the both ends difference of pull rod 226 are provided between two neighboring bolt 223
Two bolts 223 are fixed in far from the one end for abutting plate 224；The width for bolt 223 along movable plate 21 is offered in fixed plate 222
Spend the sliding slot 2221 of direction sliding；It abuts plate 224 to be arranged close to baffle 221, and abuts the top that plate 224 fits in movable plate 21
Portion；The both ends of first spring 225 are respectively and fixedly connected in fixed plate 222 and abut plate 224.When needing to promote fire protection pipeline, pass through
Pull the pulling bolt 223 of pull rod 226 mobile, mobile drive of bolt 223 abuts the movement of plate 224, and it is mobile to the first bullet to abut plate 224
Spring 225 is compressed, and the first spring 225 is in confined state at this time, and then fire protection pipeline is put on movable plate 21；When disappearing
After anti-pipeline is placed on movable plate 21, releasing lever 226, at this time the first spring 225 push abut plate 224 to fire protection pipeline into
Row is fixed；After fire protection pipeline is fixed, movable plate 21 is driven to move up by driving mechanism, movable plate 21 moves up band
Dynamic fire protection pipeline moves up, and is convenient for installing fire protection pipeline in this way.
As depicted in figs. 1 and 2, the lower rotation of pedestal 1 is connected with multiple not conllinear idler wheels 12, is provided on pedestal 1
Multiple groups and idler wheel 12 correspond the arrestment mechanism 3 for being braked to idler wheel 12；Every group of arrestment mechanism 3 includes being fixed in bottom
The fixed frame 31 of 1 bottom of seat, the abutting block 32 and driving abutting block that fixed frame 31 is connected to along the length direction sliding of pedestal 1
32 mobile driving assemblies 33；It abuts block 32 and is connected to idler wheel 12.It is driven by driving assembly 33 and abuts the movement of block 32, abut block
Idler wheel 12 is braked in 32 movements, pedestal 1 can be made more stable in this way.
As shown in Fig. 2, driving assembly 33 includes the support plate 331 for being fixed in 1 bottom of pedestal, is rotationally connected with support plate
331 and along the trunnion axis 332 of the width direction of pedestal 1 setting, be threadedly connected to the fastening nut 333 of trunnion axis 332 and solid
It is connected to the cam 334 of 332 one end of trunnion axis；One end protrusion support plate 331 of the trunnion axis 332 far from cam 334 is far from cam 334
Side setting and be connected with handwheel 335；Fastening nut 333 is connected to the side of support plate 331；Cam 334 is connected to abutting
Block 32.When needing to brake idler wheel 12, trunnion axis 332 is rotated by rotation handwheel 335, the rotation of trunnion axis 332 drives
Cam 334 rotates, and the direction that 334 rotate driving of cam abuts block 32 to close idler wheel 12 is mobile, when abutting block 32 and idler wheel 12
After abutting, trunnion axis 332 is fixed by tightening fastening nut 333, idler wheel 12 can be braked in this way；Work as needs
When unclamping idler wheel 12, fastening nut 333 is unclamped, by 335 reflecting level axis 332 of reversing handle, the reversion of trunnion axis 332 drives convex
334 reversion of wheel, the reversion of cam 334 separate cam 334 with block 32 is abutted, and separate abutting block 32 with idler wheel 12；
It drives abutting block 32 to abut with idler wheel 12 by driving assembly 33, can make idler wheel 12 fixed stronger in this way.
As shown in Fig. 2, fixed frame 31 includes two L shape bars 311, the horizon bar of two L shape bars 311 is along the length of pedestal 1
Direction setting is spent, the both ends for abutting block 32 have been respectively and fixedly connected with sliding block 321, and the horizon bar of two L shape bars 311 extends through two cunnings
Block 321 is arranged, and two sliding blocks 321 slide the horizon bar for being connected to two L shape bars 311 respectively, and the horizon bar of L shape bar 311 is to cunning
Block 321 has guiding role, can reduce abut what block 32 deviateed in the length direction slipping along rack in this way
Possibility.It is socketed with second spring 336 on the horizon bar of each L shape bar 311, one end of second spring 336 is fixed in sliding block
321, the other end is fixed in the vertical bar of L shape bar 311, abuts block 32 towards the band movement of movable slider 321, sliding block when the movement of idler wheel 12
321 movements compress second spring 336, and second spring 336 is in confined state at this time；When cam 334 is not to abutting
When block 32 applies pressure, the driving of second spring 336 at this time abuts block 32 and resets, and can further decrease the labor of operator in this way
Fatigue resistance.
The working principle of this kind of indoor fire-fighting Pipe installing equipment is as follows:
When needing to promote fire protection pipeline, by pulling pull rod 226 to pull bolt 223 mobile, mobile drive of bolt 223 is supported
Fishplate bar 224 is mobile, abuts the movement of plate 224 and compresses to the first spring 225, and the first spring 225 is in confined state at this time,
Then fire protection pipeline is put on movable plate 21；After fire protection pipeline is placed on movable plate 21, releasing lever 226, at this time
One spring 225 pushes abutting plate 224 that fire protection pipeline is fixed；After fire protection pipeline is fixed, start hydraulic elevator 23,
Hydraulic elevator 23 drives movable plate 21 to move up, and movable plate 21, which moves up, drives fire protection pipeline to move up, so just
Complete the promotion to fire protection pipeline.
When needing to brake idler wheel 12, trunnion axis 332 is rotated by rotation handwheel 335, trunnion axis 332 rotates band
Moving cam 334 rotates, and the direction that 334 rotate driving of cam abuts block 32 to close idler wheel 12 is mobile, when abutting block 32 and idler wheel
After 12 abut, trunnion axis 332 is fixed by tightening fastening nut 333, idler wheel 12 can be braked in this way, then
Person abuts block 32 and compresses towards the band movement of movable slider 321, the movement of sliding block 321 when the movement of idler wheel 12 to second spring 336,
Second spring 336 is in confined state at this time；When needing to unclamp idler wheel 12, fastening nut 333 is unclamped, reversing handle is passed through
335 reflecting level axis 332, trunnion axis 332 reversion band moving cam 334 invert, cam 334 reversion make cam 334 with abut block 32
Separation, second spring 336 pushes abutting block 32 is mobile to separate abutting block 32 with idler wheel 12 at this time.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of indoor fire-fighting Pipe installing equipment, it is characterised in that: including pedestal (1) and be set to mentioning for pedestal (1)
It rises device (2)；The lifting device (2) includes the movable plate (21) vertically slid, is installed on movable plate (21) for fixing
The multiple groups fixed mechanism (22) of fire protection pipeline and it is installed on the driving mechanism of pedestal (1) for driving movable plate (21) mobile；
Fixed mechanism described in every group (22) includes vertically being fixed in the baffle (221) of one end at the top of movable plate (21), being fixed in movable plate
(21) fixed plate (222) of the top other end, along the width direction sliding of movable plate (21) be connected to the bolts of fixed plate (222)
(223), it is fixed in bolt (223) one end and is connected to the abutting plate of movable plate (21) along the sliding of the width direction of movable plate (21)
(224) and it is socketed on the first spring (225) of bolt (223)；The abutting plate (224) is arranged close to baffle (221)；It is described
The both ends of first spring (225) are respectively and fixedly connected in fixed plate (222) and abut plate (224).
2. indoor fire-fighting Pipe installing equipment according to claim 1, it is characterised in that: the bottom of the pedestal (1)
Multiple not conllinear idler wheels (12) are rotatably connected to, multiple groups are provided on the pedestal (1) and are used for idler wheel (12) one-to-one correspondence
The arrestment mechanism (3) that idler wheel (12) is braked；Arrestment mechanism described in every group (3) includes being fixed in consolidating for pedestal (1) bottom
Determine frame (31), be connected to the abutting block (32) and driving abutting block of fixed frame (31) along the length direction sliding of pedestal (1)
(32) mobile driving assembly (33)；The abutting block (32) is connected to idler wheel (12).
3. indoor fire-fighting Pipe installing equipment according to claim 2, it is characterised in that: the driving component (33) packet
It includes and is fixed in the support plate (331) of pedestal (1) bottom, be rotationally connected with support plate (331) and set along the width direction of pedestal (1)
The trunnion axis (332) set is threadedly connected to the fastening nut (333) of trunnion axis (332) and is fixed in trunnion axis (332) one end
Cam (334)；One end protrusion support plate (331) of the trunnion axis (332) far from cam (334) is far from cam (334)
Side is arranged and is connected with handwheel (335)；The fastening nut (333) is connected to the side of support plate (331)；The cam
(334) it is connected to and abuts block (32).
4. indoor fire-fighting Pipe installing equipment according to claim 3, it is characterised in that: the fixed frame (31) includes
Two L shape bars (311), the horizon bar of two L shape bars (311) are arranged along the length direction of pedestal (1), the abutting block
(32) both ends have been respectively and fixedly connected with sliding block (321), and the horizon bar of two L shape bars (311) extends through two sliding blocks (321)
Setting, two sliding blocks (321) slide the horizon bar for being connected to two L shape bars (311) respectively.
5. indoor fire-fighting Pipe installing equipment according to claim 4, it is characterised in that: each L shape bar (311)
Horizon bar on be socketed with second spring (336), one end of the second spring (336) is fixed in sliding block (321), and the other end is solid
It is connected to the vertical bar of L shape bar (311).
6. indoor fire-fighting Pipe installing equipment according to claim 1, it is characterised in that: the two neighboring bolt
(223) it is provided between pull rod (226), the both ends of the pull rod (226) are respectively and fixedly connected in two bolts (223) far from abutting plate
(224) one end.
7. indoor fire-fighting Pipe installing equipment according to claim 6, it is characterised in that: on the fixed plate (222)
Offer the sliding slot (2221) slid for bolt (223) along the width direction of movable plate (21).
8. indoor fire-fighting Pipe installing equipment according to claim 1, it is characterised in that: the driving mechanism is hydraulic
Elevator (23), the hydraulic elevator (23) include top plate (231), and the movable plate (21) is fixed in the top of top plate (231)
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920091439.8U CN209614727U (en) | 2019-01-21 | 2019-01-21 | Indoor fire-fighting Pipe installing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920091439.8U CN209614727U (en) | 2019-01-21 | 2019-01-21 | Indoor fire-fighting Pipe installing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614727U true CN209614727U (en) | 2019-11-12 |
Family
ID=68450673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920091439.8U Expired - Fee Related CN209614727U (en) | 2019-01-21 | 2019-01-21 | Indoor fire-fighting Pipe installing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209614727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979936A (en) * | 2019-12-13 | 2020-04-10 | 黄河水利职业技术学院 | Pipeline spare transportation and processing integrated device for building engineering |
-
2019
- 2019-01-21 CN CN201920091439.8U patent/CN209614727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979936A (en) * | 2019-12-13 | 2020-04-10 | 黄河水利职业技术学院 | Pipeline spare transportation and processing integrated device for building engineering |
| CN110979936B (en) * | 2019-12-13 | 2021-05-28 | 黄河水利职业技术学院 | Pipeline spare transportation and processing integrated device for building engineering |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |