CN210049207U - Assembly structure for overhauling gate cover plate and cover plate groove - Google Patents
Assembly structure for overhauling gate cover plate and cover plate groove Download PDFInfo
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- CN210049207U CN210049207U CN201920717801.8U CN201920717801U CN210049207U CN 210049207 U CN210049207 U CN 210049207U CN 201920717801 U CN201920717801 U CN 201920717801U CN 210049207 U CN210049207 U CN 210049207U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 3
- 239000011229 interlayer Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 11
- 235000000396 iron Nutrition 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 206010063659 Aversion Diseases 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses an assembly structure of an overhaul gate cover plate and a cover plate groove, which comprises a rectangular cover plate groove and a cover plate, wherein the cover plate is a welding structure of a bottom channel steel and a top checkered plate, extending parts are arranged on two horizontal sides of the bottom layer of the channel steel, and the extending parts are in clearance fit with the cover plate groove; the cover plate is matched with the cover plate groove to form a gap, a limiting region is arranged in the gap and comprises a first limiting block on two sides of the checkered plate and a second limiting block on the side wall of the cover plate groove, and a locking bolt is arranged between the first limiting block and the second limiting block. The utility model has the advantages of the dismouting is convenient, factor of safety is high.
Description
Technical Field
The utility model relates to a hydroelectric power plant's gate technical field, especially an assembly structure who overhauls gate cover board and apron groove.
Background
In a hydroelectric power plant, cover plates are covered above a plurality of gates, such as a hydraulic generator water inlet maintenance gate, the cover plates play a safety protection role and can prevent foreign matters from falling into a unit water inlet, the existing cover plates are mostly reinforced concrete cover plates, the existing cover plates are large in size and heavy in weight, and can only be lifted by a dam top door machine, if the cover plates need to be opened for maintenance operation in case of emergency, the dam top door machine needs to be moved from a parking position to a position for lifting the reinforced concrete cover plates, and the lifting lugs of the cover plates need to be hung by hooks of the door machine, so that the operation of matching among a plurality of teams is involved, and not only human resources and material resources are consumed, but also the consumed time is long; and original concrete cover plate is opening, the installation in-process, because of the uneven and dam foundation of atress inevitably collides with each other, has caused apron, basis and border to damage, if the apron defect is given its place to develop, probably causes cement clinker and apron to fall into the inlet, gets into diversion steel pipe, water guide mechanism, runner and draft tube etc. can cause the major damage accident of equipment.
At present, a cover plate made of non-reinforced concrete gradually appears, for example, the patent publication number is CN 203160277U, and in the cover plate patent of the gate well, a cover plate of the gate well is disclosed, the specific structure comprises a plate body, a bracket and a steel mesh, the bracket is a rectangular frame, the bracket is installed at a well mouth at the upper end of the gate well, the plate body is arranged at the upper part of the bracket and is detachably connected with the bracket, the shape and the size of the plate body correspond to the shape and the size of the bracket, through holes are distributed on the plate body, and the steel mesh is arranged at the lower part of the plate body; because the structure and the material which are lighter are adopted, the problems that in the starting process and the load shedding process of the unit, the problem of large air flow in the gate is that the air flow can cause the cover plate to vibrate, the cover plate can shift when the vibration is large, once the cover plate shifts, the gap can be exposed, the safety is affected, the patent aims to solve the problem that the cover plate is affected by bottom airflow, a plurality of through holes are arranged on the cover plate, a steel mesh is arranged at the lower part of the plate body to prevent foreign matters from falling from the through holes, this setting can slowly pile up foreign matter, dust in the through-hole in the in-service use process, and the initial stage that puts into service, foreign matter, dust can upwards spray when meetting the air current, influence the surrounding environment, and along with the increase of live time, the through-hole can be approximately blockked up completely, vibrations, aversion phenomenon still can appear in the apron, influence the safety problem, and foreign matter clearance difficulty in the through-hole moreover finally also can influence the life of apron.
At present, the improvement of the cover plate of each large hydraulic power plant is generally considered from the cover plate, and the cover plate groove which is matched with the cover plate and plays the same important role is usually omitted. Therefore, the matching of the cover plate and the cover plate groove still has the problems of insufficient convenience and low safety in the actual process of disassembly and assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembly structure who overhauls gate apron and apron groove. It has the advantage that the dismouting is convenient, factor of safety is high.
The technical scheme of the utility model: the assembly structure of the access gate cover plate and the cover plate groove comprises a rectangular cover plate groove and a cover plate, wherein the cover plate is a welded structure of a bottom channel steel and a top checkered plate, extending parts are arranged on two horizontal sides of the bottom layer of the channel steel, and the extending parts are in clearance fit with the cover plate groove; the cover plate is matched with the cover plate groove to form a gap, a limiting region is arranged in the gap and comprises a first limiting block on two sides of the checkered plate and a second limiting block on the side wall of the cover plate groove, and a locking bolt is arranged between the first limiting block and the second limiting block.
In the assembly structure of the overhaul gate cover plate and the cover plate groove, the supporting layer is arranged between the channel steel and the checkered plate, the supporting layer divides the interior of the channel steel into an upper hollow interlayer and a lower hollow interlayer, and support columns are distributed at intervals in the upper hollow interlayer and the lower hollow interlayer.
In the assembly structure of the access gate cover plate and the cover plate groove, a locking device is arranged in a gap between the cover plate and the cover plate groove.
In the assembly structure of the access gate cover plate and the cover plate groove, the top surface of the locking device is lower than that of the cover plate, the upper side and the lower side of the locking device are both provided with the limiting regions, and the length of the single-section limiting region is 60% -90% of the length between the two limiting regions.
In the assembly structure of the access gate cover plate and the cover plate groove, the side wall of the cover plate groove is provided with an inwards concave first locking groove, and the side surface of the checkered plate is provided with an inwards concave second locking groove; locking device includes the same first locking plate and the second locking plate of structure, and a terminal surface of first locking plate and second locking plate is laminated mutually, and another terminal surface embedding first locked groove of first locking plate, another terminal surface embedding second locked groove of second locking plate all are equipped with the lockhole on first locking plate and the second locking plate, pass the lockhole and are equipped with the tapered end.
In the assembly structure of the overhaul gate cover plate and the cover plate groove, the locking bolt is provided with the third limiting block, and the length of the locking bolt is 80% -90% of the length of the limiting area.
Among the aforesaid assembly structure who overhauls gate apron and apron groove, the length of first locked groove and second locked groove equals and uses locking device whole to be the central symmetry setting as the initial point, and the corresponding overlap portion length of first locked groove and second locked groove equals the length of first locking plate, and the length of first locked groove and second locked groove is greater than 150% of first locking plate length.
In the assembly structure of the access gate cover plate and the cover plate groove, the upper surface of the cover plate is provided with a lifting lug mounting groove, and the lifting lug mounting groove is arranged at a non-central position of the cover plate.
In the aforesaid maintenance gate cover plate and apron groove's assembly structure, the edges and corners department of channel-section steel bottom cladding has angle bar.
In the assembly structure of the access gate cover plate and the cover plate groove, the top surface of the locking bolt is an arc surface.
Compared with the prior art, the utility model has the advantages that the structure of the gate cover plate and the cover plate groove after the assembly is light, easy to be assembled and disassembled by workers on site and higher safety factor; specifically, the utility model discloses an apron is the welded structure of bottom channel-section steel and top checkered plate, light in structure, be equipped with spacing district in the clearance that apron and apron groove formed, specifically be the first stopper of checkered plate both sides and the second stopper of apron groove lateral wall, cooperation through stopper and locking bolt can be with apron and apron groove locking, reduce the vibrations or the aversion of the apron vertical direction that apron below air current change arouses, and simultaneously, the bottom both sides of channel-section steel are equipped with the extension, extension and apron groove clearance fit, when having guaranteed apron below air current change, the vibrations or the aversion of apron horizontal direction are little, the stability of apron installation is high.
Furthermore, the channel steel is internally separated into two hollow interlayers by the supporting layer, and the supporting columns are arranged in the two hollow interlayers at intervals, so that the cover plate has a light effect, and the internal structural strength of the cover plate is ensured.
Be equipped with locking device in the clearance between apron and the apron groove, locking device's both sides all have spacing district, after the locking device installation, through the setting to spacing district length and locking bolt length, make the locking bolt in the spacing district of its both sides can not dismantle at will, need pull down locking device earlier and then take out locking bolt, thereby open the apron, and locking device's primary structure comprises two locking plates, all be equipped with the lockhole on the locking plate, it is equipped with the tapered end to pass the lockhole, only hydroelectric power plant's managers can open the tapered end through the key, it can't open the apron privately to have guaranteed other idle miscellaneous people etc. the security is better.
The upper surface of apron is equipped with the lug mounting groove, can be used for installing the lug, because the lightweight of apron, in actual operation, as long as pass a bracing piece in the lug, respectively lift one side by two staff and can lift up the apron, need not to launch dam crown door machine, and the dismouting is more convenient.
In addition, the edge corners at the bottom of the channel steel are coated with angle irons, so that the collision of the cover plate to the cover plate groove and the cover plate is reduced when the cover plate is disassembled and assembled; the top surface of the locking bolt is an arc surface, and the top surface of the locking device is lower than the top surface of the cover plate, and the locking bolt is arranged in the safety consideration of the utility model when in use, so that the pedestrian is not easy to trip the foot.
To sum up, the utility model has the advantages of the dismouting is convenient, factor of safety is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a cover plate;
FIG. 4 is a schematic view of the construction of the deck slot;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a schematic view of the deadbolt structure;
FIG. 7 is a top view of the cover plate assembled with the cover plate slot;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
fig. 9 is a schematic view of the structure of the locking device.
The labels in the figures are: 1-cover plate groove, 2-cover plate, 3-gap, 4-limiting area, 5-locking bolt, 6-locking device, 21-channel steel, 22-pattern plate, 23-extending part, 24-supporting layer, 25-supporting column, 26-lifting lug installing groove, 41-first limiting block, 42-second limiting block, 11-first locking groove, 221-second locking groove, 61-first locking plate, 62-second locking plate, 63-locking head and 51-third limiting block.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): the structure of the assembly structure of the access gate cover plate and the cover plate groove is shown in fig. 1-9, and the assembly structure comprises a rectangular cover plate groove 1 and a cover plate 2, wherein the cover plate 2 is a welding structure of a bottom channel steel 21 and a top checkered plate 22, extending parts 23 are arranged on two horizontal sides of the bottom layer of the channel steel 21, and the extending parts 23 are in clearance fit with the cover plate groove 1; the cover plate 2 is matched with the cover plate groove 1 to form a gap 3, a limiting region 4 is arranged in the gap 3, the limiting region 4 comprises a first limiting block 41 on two sides of the pattern plate 22 and a second limiting block 42 on the side wall of the cover plate groove 1, and a locking bolt 5 is arranged between the first limiting block 41 and the second limiting block 42.
A supporting layer 24 is arranged between the channel steel 21 and the checkered plate 22, the supporting layer 24 divides the interior of the channel steel 21 into an upper hollow interlayer and a lower hollow interlayer, and supporting columns 25 are distributed at intervals in the upper hollow interlayer and the lower hollow interlayer.
A locking device 6 is arranged in the gap 3 between the cover plate 2 and the cover plate groove 1.
The top surface of the locking device 6 is lower than the top surface of the cover plate 2, the upper side and the lower side of the locking device 6 are both provided with the limiting areas 4, and the length of a single-section limiting area is 60-90% of the length between the two limiting areas.
The side wall of the cover plate groove 1 is provided with an inwards concave first locking groove 11, and the side surface of the checkered plate 22 is provided with an inwards concave second locking groove 221; locking device 6 includes the same first locking plate 61 and the second locking plate 62 of structure, and a terminal surface of first locking plate 61 and second locking plate 62 is laminated mutually, and in another terminal surface embedding first locked groove 11 of first locking plate 61, in another terminal surface embedding second locked groove 221 of second locking plate 62, all be equipped with the lockhole on first locking plate 61 and the second locking plate 62, pass the lockhole and be equipped with tapered end 63.
The main part of the locking bolt 5 is a square rod, the side wall of the square rod is provided with a third limiting block 51, the bottom of the square rod is not contacted with the extension part 23, and the length of the locking bolt 5 is 80-90% of the length of the limiting area 4.
The lengths of the first lock groove 11 and the second lock groove 221 are equal and are arranged in a central symmetry mode by taking the whole locking device 6 as an original point, the length of the corresponding overlapping part of the first lock groove 11 and the second lock groove 221 is equal to that of the first lock piece 61, the lengths of the first lock groove 11 and the second lock groove 221 are larger than 150% of that of the first lock piece 61, and the locking device 6 can be detached after the lock 63 is unlocked by setting the lengths of the lock pieces and the lock grooves.
The upper surface of the cover plate 2 is provided with a lifting lug mounting groove 26, a plurality of connecting holes are formed in the lifting lug mounting groove 26 and used for mounting lifting lugs, the lifting lug mounting groove 26 is arranged at a non-central position of the cover plate 2, and the lifting lug mounting groove 26 is positioned at a position, which is far to the right, of the geometric center of the cover plate 2 in the embodiment.
The edges and corners at the bottom of the channel steel 21 are coated with angle irons, so that the influence caused by collision during disassembly and assembly is reduced.
The top surface of the locking bolt 5 is an arc surface, and the arc surface is not easy to trip a foot.
The utility model discloses a dismouting process: because the disassembly is the reverse process of the installation, only the installation process is described here, firstly, the cover plate 2 is taken, a lifting lug is installed on the lifting lug installing groove 26 of the cover plate 2, a supporting rod penetrates through the lifting lug, the two persons jointly lift the cover plate 2, because the second limiting block 42 on the cover plate groove 1 exists, the conventional flat lifting and flat placing mode cannot be adopted, the lifting lug installing groove 26 is arranged at the position which is deviated from the right position of the geometric center of the cover plate 2, the cover plate 2 is inclined after being lifted, and the left part is kept to be relatively sunken, namely, the left end extending part 23 is firstly embedded and matched with the cover plate groove 1 in a drooping mode, the left end extending part is kept to abut against the leftmost end position of the cover plate groove 1 and is used as a second stressed part to slowly lower the other end of the cover plate 2, the cover plate 2 is completely placed in the cover plate groove 1, the locking bolt 5 is placed in the middle position of the gap 3 between the cover plate 2 and the cover plate groove 1, and the locking The same operation all installs locking bolt 5 with spacing district 4 in the both sides clearance, and the installation total quantity of locking bolt 5 is 4, and locking bolt 5 installs after accomplishing at the middle part installation locking device 6 of two spacing districts 4 of homonymy, specifically inserts first locking plate 61 in first locked groove 11, inserts second locking plate 62 in second locked groove 221, and two locking plates of reverse promotion make it overlap in the locked groove, install tapered end 63 in the locked hole after overlapping, accomplish the locking.
The above-mentioned embodiments are only some embodiments, not all embodiments, and in the description of the present embodiments, it should be understood that the terms "upper", "lower", "front", "back", "middle", "left", "right", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Claims (10)
1. Overhaul assembly structure in gate cover board and apron groove, including rectangle apron groove (1) and apron (2), its characterized in that: the cover plate (2) is of a welding structure of a bottom channel steel (21) and a top checkered plate (22), extending parts (23) are arranged on two horizontal sides of the bottom layer of the channel steel (21), and the extending parts (23) are in clearance fit with the cover plate grooves (1); the cover plate (2) is matched with the cover plate groove (1) to form a gap (3), a limiting region (4) is arranged in the gap (3), the limiting region (4) comprises a first limiting block (41) on two sides of the pattern plate (22) and a second limiting block (42) on the side wall of the cover plate groove (1), and a locking bolt (5) is arranged between the first limiting block (41) and the second limiting block (42).
2. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: a supporting layer (24) is arranged between the channel steel (21) and the checkered plate (22), the supporting layer (24) divides the interior of the channel steel (21) into an upper hollow interlayer and a lower hollow interlayer, and supporting columns (25) are distributed at intervals in the upper hollow interlayer and the lower hollow interlayer.
3. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: and a locking device (6) is arranged in a gap (3) between the cover plate (2) and the cover plate groove (1).
4. The assembling structure of an access gate cover plate and a cover plate groove according to claim 3, characterized in that: the top surface of the locking device (6) is lower than the top surface of the cover plate (2), the upper side and the lower side of the locking device (6) are both provided with limiting areas (4), and the length of a single-section limiting area is 60% -90% of the length between the two limiting areas.
5. The assembling structure of an access gate cover plate and a cover plate groove according to claim 3 or 4, characterized in that: the side wall of the cover plate groove (1) is provided with an inwards concave first lock groove (11), and the side surface of the checkered plate (22) is provided with an inwards concave second lock groove (221); locking device (6) are including first locking plate (61) and second locking plate (62) that the structure is the same, and a terminal surface of first locking plate (61) and second locking plate (62) is laminated mutually, in another terminal surface embedding first locked groove (11) of first locking plate (61), in another terminal surface embedding second locked groove (221) of second locking plate (62), all be equipped with the lockhole on first locking plate (61) and second locking plate (62), pass the lockhole and be equipped with tapered end (63).
6. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: the locking bolt (5) is provided with a third limiting block (51), and the length of the locking bolt (5) is 80% -90% of the length of the limiting area (4).
7. The assembling structure of an access gate cover plate and a cover plate groove according to claim 5, characterized in that: the length of first locked groove (11) and second locked groove (221) equals and uses locking device (6) whole to be the central symmetry setting as the original point, and the corresponding overlap length of first locked groove (11) and second locked groove (221) equals the length of first locking plate (61), and the length of first locked groove (11) and second locked groove (221) is greater than 150% of first locking plate (61) length.
8. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: the upper surface of the cover plate (2) is provided with a lifting lug mounting groove (26), and the lifting lug mounting groove (26) is arranged at the non-central position of the cover plate (2).
9. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: the edges and corners of the bottom of the channel steel (21) are coated with angle irons.
10. The assembling structure of an access gate cover plate and a cover plate groove according to claim 1, characterized in that: the top surface of the locking bolt (5) is a circular arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717801.8U CN210049207U (en) | 2019-05-17 | 2019-05-17 | Assembly structure for overhauling gate cover plate and cover plate groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717801.8U CN210049207U (en) | 2019-05-17 | 2019-05-17 | Assembly structure for overhauling gate cover plate and cover plate groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049207U true CN210049207U (en) | 2020-02-11 |
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ID=69396369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920717801.8U Active CN210049207U (en) | 2019-05-17 | 2019-05-17 | Assembly structure for overhauling gate cover plate and cover plate groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210049207U (en) |
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2019
- 2019-05-17 CN CN201920717801.8U patent/CN210049207U/en active Active
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