CN207632323U - Biparting shield door installation hoisting structure - Google Patents
Biparting shield door installation hoisting structure Download PDFInfo
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- CN207632323U CN207632323U CN201721869338.6U CN201721869338U CN207632323U CN 207632323 U CN207632323 U CN 207632323U CN 201721869338 U CN201721869338 U CN 201721869338U CN 207632323 U CN207632323 U CN 207632323U
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- equalizer bar
- cylinder
- biparting
- hanging belt
- connecting rod
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Abstract
The utility model discloses biparting shield door installation hoisting structures, including hoisting head, equalizer bar, the top at equalizer bar both ends is connect by two chains with hoisting head respectively, it is equipped with hanging belt in the lower part at equalizer bar both ends, it is equipped with position-limiting drum at the middle part of equalizer bar upper surface, it is fixed with cylinder in hoisting head lower surface, connecting rod is installed in the output end of cylinder, the outer diameter of connecting rod is matched with position-limiting drum outer diameter and the mutual centering of the two, it is equipped with traction rope on clump weight, the end of traction rope continues to extend downwardly after upwardly extending along the circumferential direction of idler wheel；Length positioned at the hanging belt of equalizer bar one end is M, and the length for being located at the hanging belt of the equalizer bar other end is N, and meets M>N, idler wheel and the hanging belt homonymy that length is M.The technical program can realize the lifting of two fan shield doors simultaneously, and carry out installation fixation to two fan shield doors successively, shorten worker in fixation, installation door leaf and the time for removing fastener, and ensure the installation accuracy of door leaf.
Description
Technical field
The utility model is related to nuclear equipment installation fields, and in particular to biparting shield door installation hoisting structure.
Background technology
Nuclear power station is the system produced electricl energy using nuclear fission principle, it is both a calorie source and an intensity pole
High radioactive radiation source.Fission reaction produces a large amount of artificial radioisotope, after these radioisotope decays
Product often also there is radioactivity, only could become stable isotope by a series of decay.People are long-term
It is found in practice and application, a small amount of radioactive ray irradiates the health of not entail dangers to human body, excessive radioactive ray irradiation
Injury will produce to human body, make one to cause a disease, is carcinogenic, lethal.The exposure time is longer, and the dose of radiation being subject to is bigger, harm
Also bigger.Therefore, human body should be avoided in the big place life of dose of radiation, operation.And the radioactive ray that radiation source radiates
Intensity can weaken when penetrating material, and certain thickness shielding material can weaken the intensity of ray.Therefore, radiation source and human body it
Between sufficiently thick screen (shielding material) is set, radiation level can be reduced, dosage suffered by human body is made to be less than personal agent
Limit value is measured, so that it is guaranteed that personal safety.Therefore, the main points of shielding protection be placed between radiographic source and human body it is a kind of can be effective
The shielding material of ray is absorbed, shield door is then the most directly embodying for shielding protection.Currently, nuclear power plant is heavy double at home
During fan shielding door hoisting is in place, installation accuracy adjustment is constructed, operating environment is limited, can not be directly realized by vertical lifting, generally adopt
Ensure that the lifting of heavy shield door is in place with the method for gradation lifting, not only heavy workload and severe to construction operation environmental requirement
It carves, cannot achieve primary precisely in place.
Utility model content
The utility model aim is to provide biparting shield door installation hoisting structure, to realize the quick of biparting shield door
Installation.
The utility model is achieved through the following technical solutions：
Biparting shield door installation hoisting structure, including hoisting head and equalizer bar, the upper part at the equalizer bar both ends
It is not connect with hoisting head by two chains, hanging belt is equipped in the lower part at the equalizer bar both ends, on the equalizer bar
The middle part on surface is equipped with position-limiting drum, and cylinder is fixed in the hoisting head lower surface, is installed in the output end end of the cylinder
There is connecting rod, the outer diameter of the connecting rod is matched with the position-limiting drum outer diameter and the mutual centering of the two, further includes clump weight, described flat
The lower surface of balance beam any one end is equipped with idler wheel, and traction rope is equipped on the clump weight, and the end of the traction rope is upward
Continue to extend downwardly along the circumferential direction of idler wheel after extension；Length positioned at the hanging belt of described equalizer bar one end is M, is located at described flat
The length of the hanging belt of the balance beam other end is N, and meets M>N, the idler wheel and the hanging belt homonymy that length is M.For existing
In technology when being installed to biparting shield door, it is limited to narrow space region, the lifting of door leaf can only rely on
Single lifting appliance individually lifts it, and because door leaf has greater weight factor so that biparting shield door
Installation effectiveness is low, in this regard, applicant designs a kind of device dedicated for biparting shielding door hoisting, i.e., realizes two fans simultaneously
The lifting of shield door, and installation fixation is carried out to two fan shield doors successively, shorten worker in fixation, installation door leaf and is removed tight
The time of firmware, and ensure the installation accuracy of door leaf；
When specifically used, clump weight is located at installation station, and traction rope is not contacted with the idler wheel, and when lifting lifts
Head is connect with the power output end of lifting appliance, and two hanging belts respectively lift by crane two door leafs, and due to two liftings
The length of band differs, when two door leafs are moved at installation station, it is ensured that with the door leaf below the hanging belt of idler wheel homonymy
It is not contacted with ground, installation fixation then is carried out to the door leaf, before hanging belt unhook, traction rope is wrapped in idler wheel outer circle
On peripheral wall, and the end of traction rope is again coupled to clump weight, and decoupling device processing is carried out to the door leaf installed, and traction rope is tight
Gu on clump weight, it is ensured that the both ends of equalizer bar keep horizontal, then lower the height of hoisting head, and fastening traction again
Rope, while spin balancing beam so that under the premise of ensureing equalizer bar level, remaining door leaf is moved to it, station is installed
Place after installation is complete for second door leaf, adjusts traction rope so that clump weight is fallen by manually carrying out installation fixation to the door leaf
Ground, then the hanging belt shorter to length carries out decoupling device processing again, that is, completes lifting installation procedure；During the installation process, pass through
The constantly height and spin balancing beam of adjustment clump weight just can be realized and be carried out disposably to biparting shield door in restricted clearance
Lifting is in place, while reducing the operating quantity of lifting equipment in restricted clearance operation, substantially increases lifting efficiency in place, and energy
It is enough effectively to avoid live crossed construction operation, the process for having saved 65%.
Further, in the hoisting process of biparting shield door, the adjusting of coordinating block height is particularly critical, due to equalizer bar
Both ends and the connection of hoisting head, door leaf are realized by chain and hanging belt respectively, and chain, hanging belt are in use
The amplitude of oscillation is easy tod produce, i.e., the door leaf in vacant state can be caused to generate therewith when pulling clump weight to increase or reduce indefinite
To the amplitude of oscillation, be unfavorable for door leaf with install station quick centring, seriously affect installation effectiveness；In this regard, applicant is in equalizer bar
Upper surface middle part be provided with position-limiting drum, and cylinder is installed below hoisting head, the output end of cylinder is connected with and limits
The connecting rod of cylinder centering starts cylinder that is, before carrying out height adjusting to clump weight so that the output end of cylinder moves down, until even
The lower end of bar is moved to inside position-limiting drum, at this point, hoisting head constitutes an entirety with equalizer bar, is pulled and is matched in one end of equalizer bar
When pouring weight or the door leaf for completing installation break off relations, the other end of equalizer bar can be avoided to occur significantly to upwarp, and work as clump weight
Displacement adjust after, equalizer bar both ends can reply balance, and the remaining door leaf in vacant state in a short time
Be not in the apparent amplitude of oscillation in whole installation process, complete remaining door leaf convenient for worker and pair between station is installed
In, to realize the purpose for improving installation effectiveness and installation accuracy.
It is equipped with fixed cylinder in the lower surface of the hoisting head, the cylinder is arranged in fixed cylinder, in the fixed cylinder
Lower face connects guide cylinder, and the internal diameter of the guide cylinder successively decreases downwards along the axis of fixed cylinder, and connecting rod activity runs through the guiding
Continue to extend under behind the lower end of cylinder.Further, cylinder is fixed in fixed cylinder, to enhance the mounting stability of cylinder,
And successively decrease downwards in the internal diameter of guide cylinder of fixed cylinder lower face setting so that connecting rod on cylinder output end when moving by
Limit, is merely able to move back and forth along its axis, when pulling clump weight after the door leaf decoupling device installed, in the short time, puts down
The both ends of balance beam will appear force unbalance, is easy to cause below equalizer bar and occurs up and down with the door leaf of clump weight side
It swings, and after guide cylinder is linked to be an entirety by connecting rod and cylinder with hoisting head, position-limiting drum and guide cylinder are equal at this time
Local restriction can be carried out to connecting rod, the whole generation local dip for preventing equalizer bar and hoisting head to be constituted finally ensures
The height of clump weight steadily rises until the stress at equalizer bar both ends is again balanced, to improve the installation essence of a remaining door leaf
Degree.
Snap-gauge there are two being set on the outer circle wall of the connecting rod extended segment, on the inner peripheral wall of the position-limiting drum upper end
It is provided with the card slot to match with the snap-gauge.Preferably, snap-gauge is arranged on the extended segment of connecting rod, exported with cylinder in connecting rod
After end moves down, snap-gauge is directly engaged with card slot, and connecting rod locks position-limiting drum and equalizer bar at this time, avoids equalizer bar
Vertical direction tilts, while preventing equalizer bar from rotating in the horizontal direction, realizes the smooth transition of clump weight change in location, drop
The installation difficulty of low residue door leaf.
Two card slots are arranged along the axisymmetrical of the position-limiting drum.Preferably, axis of two card slots along position-limiting drum
Line is symmetrical arranged so that the connection of connecting rod and position-limiting drum is more stablized, and when discontinuity equalization occurs for equalizer bar both ends, avoids two
There is stress concentration between card slot and impaired phenomenon occurs in any one in a snap-gauge.
The weight of the clump weight is more than or equal to the weight of door leaf.Preferably, the weight guarantee of clump weight is more than
Or the weight equal to door leaf, and when the weight of clump weight and door leaf are equal in weight, below the hanging belt that length is M
After door leaf installs, clump weight needs to carry out rising certain altitude, and then ensures equalizer bar both ends holding horizontality, and
The mobile relative ease of clump weight when spin balancing beam；And when the weight of clump weight is more than door leaf weight, it is being M positioned at length
Hanging belt below after door leaf installs, clump weight without carrying out height adjusting, need exterior power equipment to traction rope into
Row tightening, to ensure that equalizer bar both ends keep horizontality, clump weight holding at this time is contacted with horizontal plane without excessive
It manually adjusts, the labor intensity of construction personnel is small so that lifting efficiency correspondingly improves.
The utility model compared with prior art, has the following advantages and advantages：
1, the biparting shield door installation hoisting structure of the utility model will be remaining under the premise of ensureing equalizer bar level
Door leaf be moved to its install station at, by manually carrying out installation fixation to the door leaf, after installation is complete for second door leaf, adjust
Whole traction rope so that clump weight lands, and then the hanging belt shorter to length carries out decoupling device processing again, that is, completes lifting erector
Sequence；During the installation process, by constantly adjusting the height and spin balancing beam of clump weight, it is right in restricted clearance just to realize
Biparting shield door carries out disposable lifting in place, while reducing the operating quantity of lifting equipment in restricted clearance operation, greatly improves
Lifting efficiency in place, and can effectively avoid live crossed construction operation, the process for having saved 65%；
2, the biparting shield door installation hoisting structure of the utility model starts gas before carrying out height adjusting to clump weight
Cylinder so that the output end of cylinder moves down, until the lower end of connecting rod is moved to inside position-limiting drum, at this point, hoisting head and equalizer bar structure
At an entirety equalizer bar can be avoided when the door leaf that one end of equalizer bar pulls clump weight or completes installation breaks off relations
Other end generation significantly upwarps, and after the displacement of clump weight is adjusted, equalizer bar both ends can reply in a short time
Balance, and the remaining door leaf in vacant state is not in the apparent amplitude of oscillation in whole installation process, it is complete convenient for worker
At the centering between remaining door leaf and installation station, to realize the purpose for improving installation effectiveness and installation accuracy；
3, the biparting shield door installation hoisting structure of the utility model pulls clump weight after the door leaf decoupling device installed
When, in the short time, the both ends of equalizer bar will appear force unbalance, be easy to cause below equalizer bar and with clump weight side
Door leaf swing up and down, and after guide cylinder is linked to be an entirety by connecting rod and cylinder with hoisting head, limit at this time
Cylinder and guide cylinder can carry out connecting rod local restriction, the whole generation part for preventing equalizer bar and hoisting head to be constituted
Inclination finally ensures that the height of clump weight steadily rises until the stress at equalizer bar both ends is again balanced, to improve residue one
The installation accuracy of door leaf.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of the utility model.
Label and corresponding parts title in attached drawing：
1- hoisting heads, 2- hanging belts, 3- chains, 4- equalizer bars, 5- traction ropes, 6- clump weights, 7- door leafs, 8- cylinders, 9-
Fixed cylinder, 10- connecting rods, 11- guide cylinders, 12- snap-gauges, 13- position-limiting drums, 14- card slots.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Fig. 1~2, the present embodiment includes hoisting head 1 and equalizer bar 4, the top difference at 4 both ends of the equalizer bar
It is connect with hoisting head 1 by two chains 3, hanging belt 2 is equipped in the lower part at 4 both ends of the equalizer bar, in the equalizer bar 4
The middle part of upper surface is equipped with position-limiting drum 13, cylinder 8 is fixed in 1 lower surface of the hoisting head, at the output end end of the cylinder 8
Portion is equipped with connecting rod 10, and the outer diameter of the connecting rod 10 is matched with 13 outer diameter of the position-limiting drum and the mutual centering of the two, further includes matching
Pouring weight 6 is equipped with idler wheel on the lower surface of 4 any one end of the equalizer bar, and traction rope 5 is equipped on the clump weight 6, described
Continue to extend downwardly along the circumferential direction of idler wheel after upwardly extending in the end of traction rope 5；Hanging belt 2 positioned at 4 one end of the equalizer bar
Length be M, the length for being located at the hanging belt 2 of 4 other end of the equalizer bar is N, and meets M>N, the idler wheel are M with length
2 homonymy of hanging belt.
When specifically used, clump weight 6 is located at installation station, and traction rope 5 is not contacted with the idler wheel, and when lifting hangs
Dress head 1 is connect with the power output end of lifting appliance, and two hanging belts 2 respectively lift by crane two door leafs 7, and due to two
The length of hanging belt 2 differs, when two door leafs 7 are moved at installation station, it is ensured that 2 lower section of hanging belt with idler wheel homonymy
Door leaf 7 do not contacted with ground, installation fixation then is carried out to the door leaf 7, hanging belt 2 unhook before, traction rope 5 is wound
On idler wheel outer circle wall, and the end of traction rope 5 is again coupled to clump weight 6, is carried out at decoupling device to the door leaf 7 installed
Reason, traction rope 5 is fastened on clump weight 6, it is ensured that and the both ends of equalizer bar 4 keep horizontal, then lower the height of hoisting head 1,
And traction rope 5 is fastened again, while spin balancing beam 4 so that under the premise of ensureing 4 level of equalizer bar, by remaining door
Fan 7 is moved to it and installs at station, by manually carrying out installation fixation to the door leaf 7, after installation is complete for second door leaf 7, adjusts
Whole traction rope 5 so that clump weight 6 lands, and then the hanging belt 2 shorter to length carries out decoupling device processing again, that is, completes lifting peace
Fill process；During the installation process, it by constantly adjusting the height and spin balancing beam 4 of clump weight 6, just can realize in limited sky
It is interior that disposable lifting is carried out in place to biparting shield door, while reducing the operating quantity of lifting equipment in restricted clearance operation, greatly
It is big to improve lifting efficiency in place, and can effectively avoid live crossed construction operation, the process for having saved 65%.
Embodiment 2
As shown in Fig. 1~2, the present embodiment in the hoisting process of biparting shield door, is matched on the basis of embodiment 1
The adjusting for closing block height is particularly critical, due to 4 both ends of equalizer bar and hoisting head 1, door leaf 7 connection respectively by chain 3 and
Hanging belt 2 is realized, and chain 3, hanging belt 2 easy to produce the amplitude of oscillation in use, i.e., pull clump weight 6 increase or
The door leaf 7 in vacant state can be caused to generate the nondirectional amplitude of oscillation therewith when reduction, be unfavorable for door leaf 7 and the fast of station is installed
Fast centering, seriously affects installation effectiveness；In this regard, applicant is provided with position-limiting drum 13 in the upper surface middle part of equalizer bar 4, and hanging
The lower section of dress head 1 is equipped with cylinder 8, and the output end of cylinder 8 is connected with the connecting rod 10 with 13 centering of position-limiting drum, i.e., to clump weight
Before 6 carry out height adjusting, start cylinder 8 so that the output end of cylinder 8 moves down, until the lower end of connecting rod 10 is moved to position-limiting drum
Inside 13, at this point, hoisting head 1 constitutes an entirety with equalizer bar 4, pulls clump weight 6 in one end of equalizer bar 4 or complete
When the door leaf 7 of installation breaks off relations, the other end of equalizer bar 4 can be avoided to occur significantly to upwarp, and when the displacement tune of clump weight 6
After section end, 4 both ends of equalizer bar can reply balance in a short time, and the remaining door leaf 7 in vacant state is entire
Be not in the apparent amplitude of oscillation in installation process, complete remaining door leaf 7 convenient for worker and the centering between station is installed, with reality
Now improve the purpose of installation effectiveness and installation accuracy.
Embodiment 3
As shown in Fig. 1~2, the present embodiment is equipped with solid on the basis of embodiment 2 in the lower surface of the hoisting head 1
Safety barrel 9, the cylinder 8 are arranged in fixed cylinder 9, and guide cylinder 11, the guide cylinder are connected in the lower face of the fixed cylinder 9
11 internal diameter successively decreases downwards along the axis of fixed cylinder 9, and the activity of connecting rod 10 is behind the lower end of the guide cylinder 11 under after reneing
It stretches.Cylinder 8 is fixed in fixed cylinder 9, to enhance the mounting stability of cylinder 8, and in the guiding of 9 lower face of fixed cylinder setting
The internal diameter of cylinder 11 successively decreases downwards so that the connecting rod 10 on 8 output end of cylinder is limited when moving, is merely able to carry out along its axis past
Multiple movement, when pulling clump weight 6 after 7 decoupling device of door leaf installed, in the short time, the both ends of equalizer bar 4 will appear stress
Imbalance is easy to cause positioned at 4 lower section of equalizer bar and is swung up and down with the door leaf 7 of 6 side of clump weight, and works as guide cylinder 11
After being linked to be an entirety with hoisting head 1 by connecting rod 10 and cylinder 8, position-limiting drum 13 and guide cylinder 11 can be right at this time
Connecting rod 10 carries out local restriction, and the whole generation local dip for preventing equalizer bar 4 and hoisting head 1 to be constituted finally ensures to match
The height of pouring weight 6 steadily rises until the stress at 4 both ends of equalizer bar is again balanced, to improve the installation essence of a remaining door leaf 7
Degree.
Preferably, snap-gauge 12 is set on the extended segment of connecting rod 10, and after connecting rod 10 is moved down with 8 output end of cylinder, card
Plate 12 is directly engaged with card slot 14, and connecting rod 10 locks position-limiting drum 13 and equalizer bar 4 at this time, and equalizer bar 4 is avoided to occur
Vertical direction tilts, while preventing equalizer bar 4 from rotating in the horizontal direction, realizes the smooth transition of 6 change in location of clump weight,
Reduce the installation difficulty of remaining door leaf 7.
Preferably, two card slots 14 are arranged along the axisymmetrical of position-limiting drum 13 so that the company of connecting rod 10 and position-limiting drum 13
Connect and more stablize, when discontinuity equalization occurs for 4 both ends of equalizer bar, avoid any one and card slot 14 in two snap-gauges 12 it
Between there is stress concentration and impaired phenomenon occur.
Preferably, clump weight 6 weight ensure more than or equal to door leaf 7 weight, and when clump weight 6 weight with
When door leaf 7 is equal in weight, after door leaf 7 installs below the hanging belt 2 that length is M, clump weight 6 is risen
Certain altitude, and then ensure that 4 both ends of equalizer bar keep horizontality, and the movement of clump weight 6 is relatively light in spin balancing beam 4
Pine；And when the weight of clump weight 6 be more than 7 weight of door leaf when, positioned at length be M hanging belt 2 below door leaf 7 install
Afterwards, clump weight 6 needs exterior power equipment to tighten traction rope 5, to ensure 4 liang of equalizer bar without carrying out height adjusting
End keeps horizontality, and the holding of clump weight 6 at this time is contacted with horizontal plane to be manually adjusted without excessive, the labor of construction personnel
Fatigue resistance is small so that lifting efficiency correspondingly improves.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. biparting shield door installation hoisting structure, including hoisting head (1) and equalizer bar (4), equalizer bar (4) both ends
Top is connect by two chains (3) with hoisting head (1) respectively, and hanging belt is equipped in the lower part at the equalizer bar (4) both ends
(2), it is characterised in that：It is equipped with position-limiting drum (13) at the middle part of the equalizer bar (4) upper surface, in the hoisting head (1) following table
Face is fixed with cylinder (8), and connecting rod (10) is equipped in the output end end of the cylinder (8), the outer diameter of the connecting rod (10) with
Position-limiting drum (13) the outer diameter matching and the mutual centering of the two, further include clump weight (6), in the equalizer bar (4) any one end
Lower surface be equipped with idler wheel, on the clump weight (6) be equipped with traction rope (5), the end of the traction rope (5) upwardly extends
Continue to extend downwardly along the circumferential direction of idler wheel afterwards；Length positioned at the hanging belt (2) of the equalizer bar (4) one end is M, is located at described
The length of the hanging belt (2) of equalizer bar (4) other end is N, and meets M>N, the idler wheel and the hanging belt (2) that length is M are same
Side.
2. biparting shield door installation hoisting structure according to claim 1, it is characterised in that：In the hoisting head (1)
Lower surface be equipped with fixed cylinder (9), the cylinder (8) setting connects in fixed cylinder (9) in the lower face of the fixed cylinder (9)
Guide cylinder (11) is connect, the internal diameter of the guide cylinder (11) successively decreases downwards along the axis of fixed cylinder (9), and connecting rod (10) activity runs through institute
Continue to extend under after stating the lower end of guide cylinder (11).
3. biparting shield door installation hoisting structure according to claim 1, it is characterised in that：Prolong in the connecting rod (10)
Snap-gauge (12) there are two being set on the outer circle wall of section is stretched, is provided on the inner peripheral wall of the position-limiting drum (13) upper end and the card
The card slot (14) that plate (12) matches.
4. biparting shield door installation hoisting structure according to claim 3, it is characterised in that：Two card slots (14)
Axisymmetrical along the position-limiting drum (13) is arranged.
5. according to the biparting shield door installation hoisting structure of Claims 1 to 4 any one of them, it is characterised in that：It is described to match
The weight of pouring weight (6) is more than or equal to the weight of door leaf (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869338.6U CN207632323U (en) | 2017-12-27 | 2017-12-27 | Biparting shield door installation hoisting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869338.6U CN207632323U (en) | 2017-12-27 | 2017-12-27 | Biparting shield door installation hoisting structure |
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| Publication Number | Publication Date |
|---|---|
| CN207632323U true CN207632323U (en) | 2018-07-20 |
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ID=62851975
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163695A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二四建设有限公司 | A kind of heavy biparting shield door hanging apparatus of nuclear power station |
-
2017
- 2017-12-27 CN CN201721869338.6U patent/CN207632323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163695A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二四建设有限公司 | A kind of heavy biparting shield door hanging apparatus of nuclear power station |
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