CN205955575U - Hoisting opening combined cover board - Google Patents
Hoisting opening combined cover board Download PDFInfo
- Publication number
- CN205955575U CN205955575U CN201620717300.6U CN201620717300U CN205955575U CN 205955575 U CN205955575 U CN 205955575U CN 201620717300 U CN201620717300 U CN 201620717300U CN 205955575 U CN205955575 U CN 205955575U
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- CN
- China
- Prior art keywords
- cover plate
- attachment strap
- upper cover
- lower cover
- gravity rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model overcomes prior art's prior art's hoisting opening apron adopts four superimposed modes of apron to hide hoisting opening, and there are four higher pedestrians of not being convenient for of apron stack back overall heights in this kind of structure to be passed through from the higher authority with the goods, opens and laps hard defect, provides a hoisting opening combined cover board, including the attachment strap, upper cover plate and lower apron, the attachment strap middle part is equipped with the hole for hoist, be equipped with the connecting piece between upper cover plate and the lower apron, be equipped with the baffle on the attachment strap inboard, the attachment strap inboard is equipped with the gravity pole, intermeshing's fixed gear and transmitting gear, fixed gear lies in the articulated department that laps down with the attachment strap, transmitting gear is located the articulated department of gravity pole and attachment strap, the gravity pole is hollow structure, and be equipped with on the gravity pole and dismantle the balancing weight of connecting, the upper cover plate is hollow out construction, be equipped with the hollow out construction assorted lug with the upper cover plate down on the apron, the thickness of lug equals with the thickness of upper cover plate, the upper cover plate is inlayed with lower apron.
Description
Technical field
This utility model belongs to the cover board arrangement field being arranged on hoisting port in hydroelectric power plant and in particular to a kind of hoisting port group
Closing lid plate.
Background technology
The generating set of Large Hydropower Plant is typically distributed on each layer of dam, when the generating set installed or replacing is large-scale
During equipment, need to lift these generator set devices by hanging device.Hydroelectric power plant offers the hoisting port running through each layer, needs
When lifting generating set, hoisting port is opened, use large-scale heavy lifting equipment to needing maintenance or change in top layer
Generating set is lifted.Hoisting port is typically at closed mode, just opens when only overhauling or changing generating set.
Hoisting port is all to be covered using cover plate at present, and the side of cover plate is hinged on column plate, during using hoisting port, makes cover plate
The Unscrew around at pin joint.When hoisting port is closed at ordinary times, cover plate there are staff and weight pass through.Generally for
Improve the safety of hoisting port operation, hoisting port adopts four pieces of cover plates, wherein two pieces block cover plates are located at bottom, and in addition two pieces are located at
Top, after hoisting port is opened, four pieces of cover plates are interconnected to form an annular guardrail, it is to avoid operator are during operation
Because not noticing that surface conditions fall down at this hoisting port, cause security incident.
Hoisting port yet with this kind of structure is to cover hoisting port by the way of four pieces of cover plate superpositions, four pieces of cover plates
After superposition, total height is higher is not easy to row people and goods from above by and this structure compares waste of materials, due to every piece
Cover plate is all solid construction, relatively elaborate when opening.
Utility model content
The technical problems to be solved in the utility model is that the hoisting port cover plate for prior art adopts four pieces of cover plate superpositions
Mode covering hoisting port, this structure there are four pieces of cover plates superpositions after total height is higher is not easy to row people and goods from above
Pass through, open the laborious defect of cover plate.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
Hoisting port combination plate, including the hinged upper cover plate of the attachment strap being fixedly connected with the ground and attachment strap and lower cover, institute
State and be provided with hole for hoist in the middle part of attachment strap, between described upper cover plate and lower cover, be provided with connector, be provided with inside described attachment strap for
Support the baffle plate of lower cover, inside described attachment strap, be provided with the gravity rod hinged with attachment strap, intermeshing fixed gear and rotation
Gear, described fixed gear is fixedly connected with lower cover, and fixed gear is located at the hinged place of lower cover and attachment strap, described rotation
Gear is fixedly connected with gravity rod, and rotate gear is located at the hinged place of gravity rod and attachment strap, and described gravity rod is hollow structure,
And gravity rod is provided with the balancing weight that dismounting connects, described upper cover plate is engraved structure, and described lower cover is provided with and upper cover plate
The projection that matches of engraved structure, the thickness of described projection is equal with the thickness of upper cover plate, and described upper cover plate is inlayed with lower cover
Embedding.
Using the hoisting port combination plate of technical solutions of the utility model, column plate is connected with ground, and column plate is also to upper cover plate
Play a supportive role with lower cover.Baffle plate one side plays position-limiting action and prevents lower cover to be rotated down to lower cover to be opened, the opposing party
Face baffle plate plays a supportive role to lower cover it is ensured that walking or weight can pass through from the surface of upper lid.Gravity rod drives rotate gear
Motion, rotate gear is engaged with fixed gear, and rotate gear can drive fixed gear to move.Fixed gear rotates and can drive lower cover
Plate overturns.During live this cover plate specifically used, balancing weight increases the trend that gravity rod drives rotate gear motion.Transporting this lid
During plate, balancing weight is pulled down from gravity rod, reduce cover plate in transportation due to the inertia of gravity rod make rotate gear with
Fixed gear occurs relatively to collide.Gravity rod is hollow structure, and the weight mitigating gravity rod was being transported thus reducing gravity rod
Inertia in journey, be finally reached reduction makes rotate gear, with fixed gear, relative collision occur because of the inertia of gravity rod, leads to
The part flank of tooth of rotate gear and fixed gear is damaged.
Upper cover plate alleviates the weight of upper cover plate for engraved structure, is easy to opening of upper cover plate.Upper cover plate is inlayed with lower cover
When embedding, overall thickness just only has lower cover plate thickness, is easy to passing through at hoisting port of row people and goods.
Operation principle：When opening hoisting port, balancing weight is arranged on gravity rod, using lever principle, relies on balancing weight
Gravity make gravity rod have the trend of the hinged place rotation around gravity rod and attachment strap, gravity rod makes rotate gear have rotation
Movement tendency, rotate gear makes fixed gear have the trend of rotation, because fixed gear and lower cover are to be fixedly connected, therefore under
Cover plate have around hinged place rotation movement tendency, when staff to lower cover apply to power when, lower cover is around column plate
With the rotation of lower cover hinged place, now fixed gear and rotate gear relatively rotate.Close hoisting port when, lower cover be in
On baffle plate, upper cover plate is inlayed with lower cover, and the projection on lower cover is inlayed with the engraved structure on upper cover plate.
Beneficial effect：When transporting this cover plate, because balancing weight disassembles separate entrucking delivery, Yi Jichong from gravity rod
The power bar hollow structure of itself leads to the lighter in weight of gravity rod, therefore the inertia of gravity rod is less, in the transportation of cover plate,
The impact that gravity rod produces to rotate gear is less.The collision that rotate gear is occurred with fixed gear is less, rotate gear and solid
The flank of tooth of fixed gear is almost without any damage.When this cover plate is specifically used at the scene, pass because lower cover is subject to arrive to gravity rod
Pass the power come, make lower cover have the trend rotating with lower cover hinged place around column plate, be now equivalent to lower cover and be subject to one
Fixed revolving force, when pulling open lower cover, only need to apply less pulling force can pull open lower cover to people, have and compare labour-saving spy
Point.Especially for larger hoisting port, lower cover is generally heavier, needs multiple staff could open cover plate.So
And after the laborsaving cover plate of hoisting port using this kind of structure instead, only need a people just can open lower cover.When close hoisting port after, due under
Cover plate is inlayed with upper cover plate, adopts for overlay structure with respect to prior art, the relatively low only lower cover of the height at hoisting port
The height of angle value afterwards, facilitates row people and goods to pass through at hoisting port.
Further, described projection is provided with skid resistant course, prevents pedestrian from falling down when walking on the hoisting port closed.
Further, the outside of described lower cover is provided with groove, is provided with the pull bar hinged with lower cover in described groove, described
Pull bar is provided with Anti-slip cover.Operator when opening lower cover, only just need to can open lower plate to pull bar force it is not necessary to by
Other aids.When Anti-slip cover prevents operator to pull bar applying power, pull bar landing from handss.
Further, described connector is M shape latch, and described connector includes a long column, two short columns and a level
Post, described long column and short column are parallel to each other in the same plane, and the bottom of long column is flushed with the bottom of short column, described horizontal columns
End be fixedly connected with long column, short column is fixedly connected with horizontal columns, described upper cover plate be provided with for long column insertion the first pin-and-hole,
Described lower cover is provided with the second pin-and-hole for short column insertion.After lower cover and upper cover plate are all opened, lower cover and upper cover plate
It is fixed by connector, make lower cover and upper cover plate form an annular guardrail around hoisting port.
Brief description
With reference to the accompanying drawings and examples technical solutions of the utility model are further illustrated：
Fig. 1 is schematic top plan view when hoisting port is closed.
Fig. 2 is schematic top plan view when hoisting port is opened.
Fig. 3 is the structural representation of gravity rod and lower cover hinged place in the laborsaving cover plate of hoisting port.
Fig. 4 is schematic perspective view when hoisting port is opened.
Fig. 5 is the structural representation of M shape latch.
In reference：Attachment strap 1, upper cover plate 2, lower cover 3, gravity rod 4, rotate gear 5, fixed gear 6, pull bar 7, M
Shape latch 8, baffle plate 9, balancing weight 10, projection 11.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this utility model hoisting port combination plate includes one piece and is fixedly connected with the ground
1, six pieces of upper cover plates 2 with attachment strap 1 hinge of attachment strap and two pieces of lower covers 3 with attachment strap 1 hinge.In the middle part of attachment strap 1
Have rectangle hole for hoist.Upper cover plate 2 is the engraved structure having multiple rectangle frames.Square with upper cover plate 2 is welded with lower cover 3
The projection 11 that shape frame matches, the upper surface of projection 11 has wave stripe.Six pieces of upper cover plates 2 are divided into two groups, every three pieces of upper cover plates 2
For one group, adjacent upper cover plate 2 in every group is connected by bearing pin.Two groups of upper cover plates 2 be located at respectively on rectangle hole for hoist relative to
On both sides.Two pieces of lower covers 3 are located on the remaining both sides of rectangle hole for hoist respectively.Rectangle can be hung when closing by two pieces of lower covers 3
Dress hole covers in.Four pieces of baffle plates 9 for supporting lower cover 3 are welded with attachment strap 1 inner side, four pieces of baffle plates 9 are located at rectangle respectively
Four corners of hole for hoist.It is provided with two gravity rods 4 with attachment strap 1 hinge, the hinged place weldering of gravity rod 4 inside attachment strap 1
Be connected to a rotate gear 5, lower cover 3 weld a fixed gear 6 with the hinge of attachment strap 1, fixed gear 6 with turn
Moving gear 5 engages each other.Many three a diameter of 50 millimeters of through holes are longitudinally opened on gravity rod 4, gravity rod 4 balancing weight is installed
10, balancing weight 10 is connected by bearing pin with gravity rod 4, and balancing weight 10 can be located at different through holes on gravity rod 4, by adjusting
Diverse location on gravity rod 4 for the balancing weight 10, to adjust the moment to gravity rod 4 hinged place for the gravity rod 4, thus reaching regulation
The power that lower cover 3 is subject to, realizes adjusting labor-saving effect during lower cover 3 upset.The outside of lower cover 3 has U row groove, groove
The interior pull bar 7 installed with lower cover 3 ball-joint, pull bar 7 end is arranged with Anti-slip cover.
In specific implementation process, upper cover plate 2 is connected by M shape latch 8 with lower cover 3, as shown in figure 5, M shape latch 8 wraps
Include a long column, two short columns and horizontal columns, long column is parallel to each other in the same plane with short column, and the bottom of long column with
The bottom of short column flushes, and the end of horizontal columns is fixedly connected with long column, and short column is fixedly connected with horizontal columns.Adjacent with lower cover 3
Upper cover plate 2 be provided with for long column insertion the first pin-and-hole, lower cover 3 be provided with for short column insertion the second pin-and-hole.
When needing to open hoisting port, first upper cover plate 2 is opened, then adjacent upper cover plate 2 is attached with bearing pin.
Then lower cover 3 is applied with power upwards, makes lower cover 3 around the hinged place rotation of column plate 1 and lower cover.Due in lower cover 3
Side is hinged with gravity rod 4, and by lever principle, gravity rod 4 relies on the gravity of balancing weight 10 so that gravity rod 4 is had around gravity rod 4
With the trend of the hinged place of attachment strap 1 rotation, simultaneously gravity rod 4 make rotate gear 5 have the movement tendency of rotation, rotate gear 5
Make fixed gear 6 have the trend of rotation, because fixed gear 6 and lower cover 3 are welding, therefore lower cover 3 have around column plate 1 with
The movement tendency of lower cover 3 hinged place rotation, is equivalent to the power that lower cover 3 is previously subjected to upwards, operator only need to be to lower cover
Plate 3 applies less power can make lower cover 3 around column plate 1 and the rotation of lower cover 3 hinged place, now fixed gear 6 and rotation
Gear 5 relatively rotates.After lower cover 3 is opened, with M shape latch 8, lower cover 3 and upper cover plate 2 adjacent thereto are connected.
Now upper cover plate 2 and lower cover 3 form the guardrail of a closing to hoisting port.
When hoisting port is closed, as shown in figure 1, upper cover plate 2 is embedded in lower cover 3, the total thickness of hoisting port combination plate
Spend the thickness for lower cover 3.Row people and goods are facilitated to pass through at hoisting port.Be not in because at hoisting port, cover sheet thickness is blocked up
Impact row people and goods pass through.
For a person skilled in the art, on the premise of without departing from this utility model structure, if can also make
Dry deformation and improvement, these also should be considered as protection domain of the present utility model, and these are implemented all without impact this utility model
Effect and practical applicability.
Claims (1)
1. hoisting port combination plate it is characterised in that：Including the hinged upper cover plate of the attachment strap being fixedly connected with the ground and attachment strap and
Lower cover, is provided with hole for hoist in the middle part of described attachment strap, is provided with connector between described upper cover plate and lower cover, inside described attachment strap on
It is provided with the baffle plate for supporting lower cover, inside described attachment strap, be provided with the gravity rod hinged with attachment strap, intermeshing fixing tooth
Wheel and rotate gear, described fixed gear is fixedly connected with lower cover, and fixed gear is located at the hinged place of lower cover and attachment strap,
Described rotate gear is fixedly connected with gravity rod, and rotate gear is located at the hinged place of gravity rod and attachment strap, and described gravity rod is
Hollow structure, and gravity rod is provided with the balancing weight that dismounting connects, described upper cover plate is engraved structure, and described lower cover is provided with
The projection matching with the engraved structure of upper cover plate, the thickness of described projection is equal with the thickness of upper cover plate, described upper cover plate with
Lower cover is inlayed；Described projection is provided with skid resistant course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717300.6U CN205955575U (en) | 2016-07-08 | 2016-07-08 | Hoisting opening combined cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717300.6U CN205955575U (en) | 2016-07-08 | 2016-07-08 | Hoisting opening combined cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955575U true CN205955575U (en) | 2017-02-15 |
Family
ID=57969102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620717300.6U Active CN205955575U (en) | 2016-07-08 | 2016-07-08 | Hoisting opening combined cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252668A (en) * | 2018-09-30 | 2019-01-22 | 北京国电龙源环保工程有限公司 | A kind of workshop hole for hoist hand shaking moving cover board and its application method |
-
2016
- 2016-07-08 CN CN201620717300.6U patent/CN205955575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252668A (en) * | 2018-09-30 | 2019-01-22 | 北京国电龙源环保工程有限公司 | A kind of workshop hole for hoist hand shaking moving cover board and its application method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |