CN208844445U - A kind of bridge lifting equipment based on bent cap - Google Patents
A kind of bridge lifting equipment based on bent cap Download PDFInfo
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- CN208844445U CN208844445U CN201821440872.XU CN201821440872U CN208844445U CN 208844445 U CN208844445 U CN 208844445U CN 201821440872 U CN201821440872 U CN 201821440872U CN 208844445 U CN208844445 U CN 208844445U
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- bent cap
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- bridge
- jack
- lifting equipment
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Abstract
The utility model discloses a kind of bridge lifting equipments based on bent cap, including the fixed device of bent cap and lifting component, the fixed device of the bent cap is fixed on bent cap, and there are two support platforms for being formed in bent cap width direction two sides, the lifting component includes the jack being arranged in support platform, it is characterized in that, the jack is multiple and two column of composition is arranged in two support platforms along bent cap length direction, is connected by a stiff girder and bridge beam body along bridge lateral setting above each column jack.The utility model is exclusively used in the beam body entirety lifting system with the bridge of bent cap, and structure is simple, and fixed effect and stability are good, easy for construction, and synchronization of jacking up can be better achieved, protect the safety of construction.
Description
Technical field
The utility model relates to bridges in highway engineering field more particularly to a kind of bridge beam body liftings being installed on bent cap
Equipment.
Background technique
Currently, China's overwhelming majority servicing bridges (especially continuous curved box girder bridges) will appear after using the several years
Different degrees of expansion joint breakoff phenomenon, such as: failure by shear, two sides bulging etc.；In addition a large amount of bridges are acted in various power
(such as: earthquake, car and boat collision) under certain vertically and horizontally displacement can occur, in addition some Static behaviors (such as: expansion joint card
Extremely, temperature action, bias of quiet dynamic load etc.) under can also generate the displacement of any direction, and gradually add up at any time.These occur
The bridge of beam body deviation has seriously threatened the safety of road operation, in addition, be highly desirable to carry out whole lift to it again
It rises, carry out bearing replacement or laterally resets, to tackle the problem at its root.
The research of equipment is integrally lifted for bridge, the method PLC synchronization of jacking up method that the country usually uses at present, but it is big
Amount engineering practice shows that this method still has some problems, e.g., during jacking, if instrument board reading is inaccurate, or
Some jack oil leak, damage etc., in this way caused by the result is that not construct according to synchronization of jacking up, often make in this way
At biggish stress, or even bridge is caused to ruin the accident that people dies.Therefore synchronization of jacking up, and energy can be better achieved by how designing one kind
It is enough to be minimized the local stress jacked at position, guarantee the safety in work progress, becoming has considered solve the problems, such as.
CN105735149A was once disclosed a kind of bridge jacking counterforce device suitable for small space between beam bottom and bent cap,
The counterforce device includes crossing two load crossbeams on bent cap, the platform structure that is installed on load crossbeam two sides, using
In high-strength bolt cuff, the cohesion device for fixing whole device and bent cap of connection load crossbeam and platform structure.It is described
Two load crossbeams cross the small gap between beam slab and bent cap, pass through high-strength bolt cuff and platform knot on load crossbeam
Structure is reliably connected, and entire counterforce device is reliably connected by cohesion device and bent cap, and jack is placed on the two sides platform
It can carry out bridge jacking operation.
The device of the patent has the advantages that device to be self-possessed, and small, bearing capacity is high, widely applicable, between beam bottom and bent cap
Application can save a large amount of man power and material in the jacking of small space blank board bridge.But still it has the following deficiencies: 1, pushing up
Rise during, there are excessive stress concentrations at jack active position, cause in the presence of by beam body partial top itself it is bad can
Can, jacking support effect is poor, and jacking synchronism is poor.2, the structure fixed for bent cap, reliability and stability are poor.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot
Structure is simple, and it is excessive to can be avoided jacking position local stress, improves jacking synchronism, improves fixed reliability and device stability
The bridge lifting equipment based on bent cap.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of bridge lifting equipment based on bent cap, including the fixed device of bent cap and lifting component, the fixed dress of the bent cap
It sets and is fixed on bent cap, and there are two support platforms for being formed in bent cap width direction two sides, the lifting component includes setting
Set the jack in support platform, which is characterized in that the jack is multiple and is arranged along bent cap length direction at two
Two column are constituted in support platform, pass through a stiff girder and bridge beam body phase along bridge lateral setting above each column jack
It connects.
In this way, the setting of stiff girder, can both prevent asynchronous as caused by the accidents such as jacking equipment damage, oil leak
Phenomenon is jacked, and can reduce the local stress at the shear stress and jack active position at hinge seam, bent cap is improved and is applying
Intensity during work.
Further, the fixed device of the bent cap, including two fixed plates, fixed plate fitting are arranged in bent cap or so two
Side, two fixed plates upper end are folded to along bent cap upper surface to the level that middle position extends after there is a relative level to be folded to
Portion, the level of two fixed plates are folded between portion end there are the gap for tension, and the level of two fixed plates is folded to portion end
Also there is the docking section upwardly extended, turnbuckle is provided between docking section and is connected, two fixed plate lower ends exceed downwards
Bent cap lower surface is simultaneously provided with horizontal lower turnbuckle and is connected, and has the edge of a wing extended horizontally outward on the outside of two fixed plates
Plate, flange plate upper surface constitute support platform.
In this way, snapped at left and right sides of bent cap in the fixed device of this bent cap using the fixed plate of two inverted L-shapeds, then according to
By upper and lower turnbuckle fixed strain, block structure and bent cap tightly, realization is fixedly connected with and is adjacent to load with bent cap,
Guarantee support platform stability.It is compared with bent cap fixed structure disclosed in CN105735149A patent, without vertically arranged
Bolt is connected, less using component, structure is simpler, and installation is more convenient, and structural integrity is more preferable, and stability is higher.
Further, the fixed plate is the steel plate structure of monoblock cast forming.In this way, improving structural integrity and strong
Degree improves fixed reliability.
Further, skewed horizontal load component is further fixedly arranged between flange plate lower surface and the fixed plate lateral surface of lower section
Form triangle inclined strut structure.
In this way, the structural strength of support platform can be improved preferably, support reliability is improved, guarantees construction safety.
Further, skewed horizontal load component is welded and fixed to obtain using angle steel.Simple with structure, intensity is reliable, construction
Convenient advantage.
Further, the upper turnbuckle and lower turnbuckle are high-strength bolt.Can preferably bearing load, mention
High stability.
Further, horizontal force bearing plate, horizontal force bearing plate or so are additionally provided between bent cap lower surface and lower turnbuckle
Both ends and fixed plate medial surface are affixed setting.
In this way, horizontal force bearing plate makes the downward reaction force generated when jack works in support platform, by oblique
When being applied to fixed plate lower end to supporting member and be decomposed into inward pressure, which first acts on horizontal force bearing plate, and energy
It is enough to be offset by horizontal force bearing plate and be converted into the internal stress of horizontal force bearing plate, and then avoid bent cap two sides (especially two sides lower end
Position) by the excessive deformation for causing bent cap itself of inward pressure or breakage influenced device stability of strutting system.
Still further, horizontal force bearing plate is horizontally disposed steel plate, so that its support strength is higher, above-mentioned load conversion
Effect is more preferable.
Still further, horizontal force bearing plate is the convex arc-shaped spring steel plate in middle part and middle part upper surface and bent cap following table
Face is affixed.
It is in this way because when jack is installed, it is ensured that the installation of fixed plate is fixed, and jack installation site is wide in bridge
It is on degree direction and the support being connected between bent cap and bridge beam body is supported to shift to install.It is equal to jack in this way to work
When, can change bent cap part by bridge downward pressure forced position, be likely to cause in this way bent cap local compression power it is excessive and
Generate downward flexing deformation.Therefore after using the horizontal force bearing plate of this structure, when horizontal force bearing plate two sides are pressurized, production will lead to
Raw upward deformation, converts two sides pressure to the upward top power applied to bent cap, so that the top power and bent cap
Because the downward pressure in part that jack effect generates offsets, bent cap is avoided to be generated by jack active position excessive downward
It deforms and influences device stability of strutting system.
Further, horizontal force bearing plate left and right ends position and the setting of skewed horizontal load member lower position face.On so that
It states effect and reaches best.
As optimization, the stiff girder is that horizontally disposed i shaped steel obtains, i shaped steel middle connecting plate portion
Divide vertically arranged and lower end surface and jack upper end are connected, upper surface and the fitting of bridge beam body lower surface connect.
In this way, obtaining stiff girder using i shaped steel, i shaped steel is standard element, facilitates production installation to reduce and is constructed into
This, and i shaped steel self structure has upper and lower two load-carrying surfaces, is suitble to force structure herein, can be improved supporting & stablizing
Property.
Further, metal caul is additionally provided between i shaped steel and jack upper end.Preferably to transmit gravity, mention
High stability of strutting system.
Further, the fixed device of the bent cap is that support is spaced apart multiple above bent cap, and multiple bent caps are fixed
At two column, the stiff girder is connected by the docking of more piece i shaped steel end to be obtained the jack integral arrangement of device.
In this way, the installation of the fixed device of the more convenient bent cap of the support position that is staggered.Can preferably extending structure in bridge
Length in width direction is preferably conducive to realize that the support to bridge beam body jacks.
Further, two pieces of buttcover plates are folded at every section i shaped steel docking, buttcover plate is fitted among i shaped steel
The two sides of connecting plate part are simultaneously fixedly connected by bolt to wearing.
This spline structure is simple, and stable connection is reliable, and the extension for realizing i shaped steel is facilitated to connect to form stiff girder.
Further, there is the transversal connecting assembly being laterally fixedly connected between two stiff girders.
In this way, affixed between two stiff girders to be an entirety, preferably raising bent cap two sides are put more energy into beam stress
Globality.
Further, the transversal connecting assembly includes the connecting rod of horizontal scalable setting, and connecting rod can phase for two
Mutually be slidably matched the casing composition being arranged, and connecting rod both ends are fixed on stiff girder.
It in this way, connecting rod does not influence the load transmitting of up and down direction, and can be realized the free extension of horizontal direction, make it
Flexible adjustment can be realized according to bent cap size and jack installation site, it is more convenient to use.
Further, in connecting rod at two casing cooperations, external sleeve surface is provided through fastening thread hole, tightly
It is combined with fastening bolt Gu being screwed in threaded hole, fastening bolt inner end and internal casing offset realization to the opposite position of two casings
The fixation set.
In this way, casing elongates or shortens, it after reaching target length, can be tightened by fastening bolt, keep its non-telescoping,
Play the role of improving lateral stability.
Further, the fastening thread hole on casing and corresponding fastening bolt are provided with two groups, and along same straight line side
To setting.
It is adjusted in place and after fixing in this way, can better ensure that in casing, connecting rod globality in the horizontal direction.
Further, connection boom end is welded with vertical link block, and link block connects by the way that horizontal bolt is fixed
It connects on the middle connecting plate of stiff girder i shaped steel.
In this way, facilitating being connected and fixed for connecting rod, whole load stability and reliability are improved.
Further, link block is rectangle, and connection among the bolt by being set to four corners and i shaped steel
Plate is connected.
In this way, improving the fixed reliability of connection boom end.
Further, two bar connecting rods are at least connected on every section i shaped steel.The direction that can preferably improve the standard is held
The globality of power.
In conclusion the utility model is exclusively used in the bridge that substructure has bent cap, structure is simple, easy for construction, can
Synchronization of jacking up is better achieved, and the local stress at the shear stress and jack active position at hinge seam can be dropped to most
It is small, guarantee the whole lifting equipment of the safety in work progress.Can effective protection construction safety.
Detailed description of the invention
Fig. 1 is the overall structure diagram after the utility model installation.
Fig. 2 is the top view of independent bridge lifting equipment part in Fig. 1.
Fig. 3 is the side view of independent one group of bent cap fixed device and lifting component in Fig. 1.
Specific embodiment
Below with reference to embodiment and attached drawing, the utility model is described in further detail.
Optimum embodiment: as shown in Figure 1 to Figure 3, a kind of bridge lifting equipment based on bent cap, including the fixed device of bent cap
With lifting component, the fixed device of the bent cap is fixed on bent cap 1, and has two for being formed in 1 width direction two sides of bent cap
Support platform, the lifting component includes the jack 2 being arranged in support platform, wherein the jack 2 is multiple and edge
Bent cap length direction, which is arranged in two support platforms, constitutes two column, and 2 top of each column jack is by one along bridge lateral
The stiff girder and bridge beam body 3 of setting connect.
In this way, the setting of stiff girder, can both prevent asynchronous as caused by the accidents such as jacking equipment damage, oil leak
Phenomenon is jacked, and can reduce the local stress at the shear stress and jack active position at hinge seam, bent cap is improved and is applying
Intensity during work.
Wherein, the fixed device of the bent cap, including two fixed plates 4, the fitting of fixed plate 4 are arranged at left and right sides of bent cap,
4 upper end of two fixed plates along bent cap upper surface is folded to portion to the level that middle position extends after there is a relative level to be folded to,
The level of two fixed plates 4 is folded between portion end there are the gap for tension, and the level of two fixed plates 4 is folded to portion end also
With the docking section upwardly extended, it is provided with turnbuckle 5 between docking section and is connected, two 4 lower ends of fixed plate exceed downwards
Bent cap lower surface is simultaneously provided with horizontal lower turnbuckle 6 and is connected, and has the edge of a wing extended horizontally outward on the outside of two fixed plates
Plate 7,7 upper surface of flange plate constitute support platform.
In this way, snapped at left and right sides of bent cap in the fixed device of this bent cap using the fixed plate of two inverted L-shapeds, then according to
By upper and lower turnbuckle fixed strain, block structure and bent cap tightly, realization is fixedly connected with and is adjacent to load with bent cap,
Guarantee support platform stability.It is compared with bent cap fixed structure disclosed in CN105735149A patent, without vertically arranged
Bolt is connected, less using component, structure is simpler, and installation is more convenient, and structural integrity is more preferable, and stability is higher.
Wherein, the fixed plate 4 is the steel plate structure of monoblock cast forming.In this way, improving structural integrity and intensity, mention
The fixed reliability of height.
Wherein, 8 shape of skewed horizontal load component is further fixedly arranged between 7 lower surface of flange plate and the fixed plate lateral surface of lower section
At triangle inclined strut structure.
In this way, the structural strength of support platform can be improved preferably, support reliability is improved, guarantees construction safety.
Wherein, skewed horizontal load component 8 is welded and fixed to obtain using angle steel.Simple with structure, intensity is reliable, easy for construction
The advantages of.
Wherein, the upper turnbuckle 5 and lower turnbuckle 6 are high-strength bolt.Can preferably bearing load, improve
Stability.
Wherein, horizontal force bearing plate 9, horizontal force bearing plate 9 or so two are additionally provided between 1 lower surface of bent cap and lower turnbuckle
End and fixed plate medial surface are affixed setting.
In this way, horizontal force bearing plate makes the downward reaction force generated when jack works in support platform, by oblique
When being applied to fixed plate lower end to supporting member and be decomposed into inward pressure, which first acts on horizontal force bearing plate, and energy
It is enough to be offset by horizontal force bearing plate and be converted into the internal stress of horizontal force bearing plate, and then avoid bent cap two sides (especially two sides lower end
Position) by the excessive deformation for causing bent cap itself of inward pressure or breakage influenced device stability of strutting system.
In present embodiment, horizontal force bearing plate 9 is the convex arc-shaped spring steel plate in middle part and middle part upper surface and bent cap
Lower surface is affixed.
It is in this way because when jack is installed, it is ensured that the installation of fixed plate is fixed, and jack installation site is wide in bridge
It is on degree direction and the support being connected between bent cap and bridge beam body is supported to shift to install.It is equal to jack in this way to work
When, can change bent cap part by bridge downward pressure forced position, be likely to cause in this way bent cap local compression power it is excessive and
Generate downward flexing deformation.Therefore after using the horizontal force bearing plate of this structure, when horizontal force bearing plate two sides are pressurized, production will lead to
Raw upward deformation, converts two sides pressure to the upward top power applied to bent cap, so that the top power and bent cap
Because the downward pressure in part that jack effect generates offsets, bent cap is avoided to be generated by jack active position excessive downward
It deforms and influences device stability of strutting system.In other embodiment, horizontal force bearing plate can also be horizontally disposed steel plate, make
Its support strength it is higher, load changing effect is more preferable.
Wherein, horizontal 9 left and right ends position of force bearing plate and the setting of 8 lower end position face of skewed horizontal load component.So that above-mentioned
Effect reaches best.
Wherein, the stiff girder is that horizontally disposed i shaped steel 10 obtains, the 10 middle connecting plate portion of i shaped steel
Divide vertically arranged and lower end surface and 2 upper end of jack are connected, upper surface and the fitting of 3 lower surface of bridge beam body connect.
In this way, obtaining stiff girder using i shaped steel 10, i shaped steel is standard element, and production installation is facilitated to reduce construction
Cost, and i shaped steel self structure has upper and lower two load-carrying surfaces, is suitble to force structure herein, can be improved supporting & stablizing
Property.
Wherein, metal caul 11 is additionally provided between 2 upper end of i shaped steel 10 and jack.Preferably to transmit gravity,
Improve stability of strutting system.
Wherein, the fixed device of the bent cap is that support is spaced apart multiple above bent cap, the fixed device of multiple bent caps
Jack integral arrangement at two column, the stiff girder by more piece i shaped steel end docking be connected obtains.
In this way, the installation of the fixed device of the more convenient bent cap of the support position that is staggered.Can preferably extending structure in bridge
Length in width direction is preferably conducive to realize that the support to bridge beam body jacks.
Wherein, two pieces of buttcover plates 12 are folded at every 10 docking of section i shaped steel, buttcover plate 12 is fitted in i shaped steel
Between connecting plate part two sides and be fixedly connected by bolt to wearing.
This spline structure is simple, and stable connection is reliable, and the extension for realizing i shaped steel is facilitated to connect to form stiff girder.
Wherein, there is the transversal connecting assembly being laterally fixedly connected between two stiff girders.
In this way, affixed between two stiff girders to be an entirety, preferably raising bent cap two sides are put more energy into beam stress
Globality.
Wherein, the transversal connecting assembly includes the connecting rod 13 of horizontal scalable setting, and connecting rod 13 can phase for two
Mutually be slidably matched the casing composition being arranged, and 13 both ends of connecting rod are fixed on stiff girder.
It in this way, connecting rod does not influence the load transmitting of up and down direction, and can be realized the free extension of horizontal direction, make it
Flexible adjustment can be realized according to bent cap size and jack installation site, it is more convenient to use.
Wherein, in connecting rod 13 at two casing cooperations, external sleeve surface is provided through fastening thread hole, fastening
Be screwed in threaded hole and be combined with fastening bolt 14,14 inner end of fastening bolt offset with internal casing realize it is opposite to two casings
The fixation of position.
In this way, casing elongates or shortens, it after reaching target length, can be tightened by fastening bolt, keep its non-telescoping,
Play the role of improving lateral stability.
Wherein, the fastening thread hole on casing and corresponding fastening bolt 14 are provided with two groups, and along same rectilinear direction
Setting.
It is adjusted in place and after fixing in this way, can better ensure that in casing, connecting rod globality in the horizontal direction.
Wherein, 13 end of connecting rod is welded with vertical link block 15, and link block 15 is fixed by horizontal bolt
It is connected on the middle connecting plate of stiff girder i shaped steel.
In this way, facilitating being connected and fixed for connecting rod, whole load stability and reliability are improved.
Wherein, link block 15 is rectangle, and bolt and i shaped steel middle connecting plate by being set to four corners
It is connected.
In this way, improving the fixed reliability of connection boom end.
Wherein, two bar connecting rods 13 are at least connected on every section i shaped steel 10.The direction that can preferably improve the standard is held
The globality of power.
Claims (10)
1. a kind of bridge lifting equipment based on bent cap, including the fixed device of bent cap and lifting component, the fixed device of the bent cap
It is fixed on bent cap, and there are two support platforms for being formed in bent cap width direction two sides, the lifting component includes setting
Jack in support platform, which is characterized in that the jack is multiple and is arranged along bent cap length direction in two branch
It supports and constitutes two column on platform, by a stiff girder and bridge beam body phase along bridge lateral setting above each column jack
It connects.
2. as described in claim 1 based on the bridge lifting equipment of bent cap, which is characterized in that the fixed device of the bent cap, packet
Two fixed plates are included, fixed plate fitting is arranged at left and right sides of bent cap, and there is a relative level to be folded to for two fixed plates upper end
Portion is folded to the level that middle position extends along bent cap upper surface afterwards, and the level of two fixed plates is folded between portion end that there are confessions
The gap of tension, the level of two fixed plates, which is folded to portion end, also has the docking section upwardly extended, is provided between docking section
Upper turnbuckle is connected, and two fixed plate lower ends exceed downwards bent cap lower surface and are provided with horizontal lower turnbuckle and are connected,
There is the flange plate extended horizontally outward, flange plate upper surface constitutes support platform on the outside of two fixed plates.
3. as claimed in claim 2 based on the bridge lifting equipment of bent cap, which is characterized in that flange plate lower surface and lower section
It is further fixedly arranged on skewed horizontal load component between fixed plate lateral surface and forms triangle inclined strut structure.
4. as claimed in claim 3 based on the bridge lifting equipment of bent cap, which is characterized in that skewed horizontal load component uses angle
Steel is welded and fixed to obtain.
5. as claimed in claim 2 based on the bridge lifting equipment of bent cap, which is characterized in that bent cap lower surface and lower tension spiral shell
Horizontal force bearing plate is additionally provided between bolt, horizontal force bearing plate left and right ends and fixed plate medial surface are affixed setting.
6. as claimed in claim 5 based on the bridge lifting equipment of bent cap, which is characterized in that horizontal force bearing plate is that middle part is convex
Arc-shaped spring steel plate and middle part upper surface and bent cap lower surface are affixed.
7. as described in claim 1 based on the bridge lifting equipment of bent cap, which is characterized in that the stiff girder is horizontally disposed
I shaped steel obtain, the i shaped steel intervening web portions are vertically arranged and make lower end surface and jack upper end phase
It connects, upper surface and the fitting of bridge beam body lower surface connect.
8. as claimed in claim 7 based on the bridge lifting equipment of bent cap, which is characterized in that the fixed device of the bent cap is edge
Support is spaced apart multiple above bent cap, and the jack integral arrangement of the fixed device of multiple bent caps is at two column, the stiff girder
It is connected by the docking of more piece i shaped steel end and is obtained.
9. as claimed in claim 8 based on the bridge lifting equipment of bent cap, which is characterized in that pressed from both sides at every section i shaped steel docking
Equipped with two pieces of buttcover plates, buttcover plate is fitted in the two sides of i shaped steel intervening web portions and connects surely by bolt to fastening
It connects.
10. as claimed in claim 8 based on the bridge lifting equipment of bent cap, which is characterized in that have between two stiff girders
The transversal connecting assembly being laterally fixedly connected；
The transversal connecting assembly includes the connecting rod of horizontal scalable setting, and connecting rod can mutually be slidably matched for two and be arranged
Casing composition, connecting rod both ends are fixed on stiff girder；
In connecting rod at two casing cooperations, external sleeve surface is provided through fastening thread hole, fastening thread hole inward turning
It connects and is combined with fastening bolt, fastening bolt inner end and internal casing offset the fixation realized to two casing relative positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440872.XU CN208844445U (en) | 2018-09-04 | 2018-09-04 | A kind of bridge lifting equipment based on bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440872.XU CN208844445U (en) | 2018-09-04 | 2018-09-04 | A kind of bridge lifting equipment based on bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208844445U true CN208844445U (en) | 2019-05-10 |
Family
ID=66371435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821440872.XU Expired - Fee Related CN208844445U (en) | 2018-09-04 | 2018-09-04 | A kind of bridge lifting equipment based on bent cap |
Country Status (1)
| Country | Link |
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| CN (1) | CN208844445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287092A (en) * | 2020-03-10 | 2020-06-16 | 中铁北京工程局集团北京有限公司 | Intelligent flange plate supporting system |
-
2018
- 2018-09-04 CN CN201821440872.XU patent/CN208844445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287092A (en) * | 2020-03-10 | 2020-06-16 | 中铁北京工程局集团北京有限公司 | Intelligent flange plate supporting system |
| CN111287092B (en) * | 2020-03-10 | 2021-09-28 | 中铁北京工程局集团北京有限公司 | Intelligent flange plate supporting system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20200904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |