CN205955576U - Laborsaving apron of hoisting opening - Google Patents
Laborsaving apron of hoisting opening Download PDFInfo
- Publication number
- CN205955576U CN205955576U CN201620717305.9U CN201620717305U CN205955576U CN 205955576 U CN205955576 U CN 205955576U CN 201620717305 U CN201620717305 U CN 201620717305U CN 205955576 U CN205955576 U CN 205955576U
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- CN
- China
- Prior art keywords
- attachment strap
- lower cover
- cover plate
- apron
- gear
- 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 hoisting opening is harder when opening the apron, provide a laborsaving apron of hoisting opening include with ground fixed connection's attachment strap, with attachment strap articulated upper cover plate and apron down, 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 on the attachment strap inboard and be used for supporting the baffle of apron down, the attachment strap inboard is equipped with fixed gear and transmitting gear with attachment strap articulated gravity pole, intermeshing, fixed gear laps fixed connection under with, transmitting gear and gravity pole fixed connection. The utility model discloses simple manufacture, the practicality is high.
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 the laborsaving lid of hoisting port
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.Cover sheet thickness
Relatively thicker, relatively elaborate during upset cover plate.After hoisting port is opened, cover plate can only be made to the guardrail that rises in hoisting port four side
With its excess-three side then no any guardrail measure of hoisting port.If staff does not notice that surface conditions may during operation
Can fall down at this hoisting port, cause security incident.
Utility model content
The technical problems to be solved in the utility model is relatively elaborate when opening cover plate for the hoisting port of prior art,
There is provided a kind of hoisting port laborsaving cover plate.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
The laborsaving cover plate of hoisting port includes the attachment strap that the is fixedly connected with the ground upper cover plate hinged with 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.
Using the laborsaving cover plate of the hoisting port 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.
Operation principle：Using lever principle, gravity rod makes gravity rod have around gravity rod and attachment strap by the gravity of itself
The trend of hinged place rotation, gravity rod makes rotate gear have the movement tendency of rotation, and rotate gear makes fixed gear have to turn
Dynamic trend, because fixed gear and lower cover are to be fixedly connected, therefore lower cover has the movement tendency around hinged place rotation, when
Staff to lower cover apply to power when, lower cover rotates around column plate and lower cover hinged place, now fixed gear and
Rotate gear relatively rotates.
Beneficial effect：Due to lower cover be subject to arrive to gravity rod transmission come power, make lower cover have around column plate with
The trend of cover plate hinged place rotation, is now equivalent to lower cover and is subject to certain support force, and people, when pulling open lower cover, only need to apply
Plus less pulling force can pull open lower cover, have and compare labour-saving feature.Especially for larger hoisting port, lower cover leads to
Often heavier, need multiple staff could open cover plate.But after the laborsaving cover plate of hoisting port using this kind of structure instead, only
Need a people just can open lower cover.
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 upper cover plate is engraved structure, mitigates the weight of upper cover plate, facilitates operator to play upper cover plate
Open.
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.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the laborsaving cover plate of this utility model hoisting port 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.Six pieces of upper cover plates 2 are divided into two groups, on every three pieces
Cover plate 2 is one group, and adjacent upper cover plate 2 in every group is connected by bearing pin.Two groups of upper cover plates 2 are located at phase on rectangle hole for hoist respectively
To both sides on.Two pieces of lower covers 3 are located on the remaining both sides of rectangle hole for hoist respectively.Two pieces of lower covers 3 can be by square when closing
Shape hole for hoist 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 respectively
Four corners of rectangle hole for hoist.Be provided with two gravity rods 4 with attachment strap 1 hinge inside attachment strap 1, gravity rod 4 hinged
Place is welded with a rotate gear 5, and lower cover 3 welds a fixed gear 6, fixed gear 6 with the hinge of attachment strap 1
Engage each other with rotate gear 5.The outside of lower cover 3 has U row groove, installs the pull bar with lower cover 3 ball-joint in groove
7, 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.Inside attachment strap 1
It is hinged with gravity rod 4, by lever principle, gravity rod 4 makes gravity rod 4 have around gravity rod 4 and attachment strap 1 by the gravity of itself
Hinged place rotation trend, simultaneously gravity rod 4 make rotate gear 5 have the movement tendency of rotation, rotate gear 5 makes fixed gear
6 trend with rotation, because fixed gear 6 and lower cover 3 are welding, therefore lower cover 3 is had and is cut with scissors with lower cover 3 around column plate 1
Connect the movement tendency of place's rotation, be equivalent to the power that lower cover 3 is previously subjected to upwards, operator only need to apply relatively to lower cover 3
Little power can make lower cover 3 around column plate 1 and the rotation of lower cover 3 hinged place, and now fixed gear 6 and rotate gear 5 occur
Relatively rotate.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 lid
Plate 2 and lower cover 3 form the guardrail of a closing to hoisting port.
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. the laborsaving cover plate of hoisting port, including the hinged upper cover plate of the attachment strap being fixedly connected with the ground and attachment strap and lower cover, described
Be provided with hole for hoist in the middle part of attachment strap, be provided with connector between described upper cover plate and lower cover it is characterised in that：It is provided with inside attachment strap
For supporting the baffle plate of lower cover, be provided with inside described attachment strap the gravity rod hinged with attachment strap, intermeshing fixed gear 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；The outside of described lower cover
It is provided with groove, in described groove, is provided with the pull bar hinged with lower cover, described pull bar is provided with Anti-slip cover；Described upper cover plate is to engrave
Hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717305.9U CN205955576U (en) | 2016-07-08 | 2016-07-08 | Laborsaving apron of hoisting opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717305.9U CN205955576U (en) | 2016-07-08 | 2016-07-08 | Laborsaving apron of hoisting opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955576U true CN205955576U (en) | 2017-02-15 |
Family
ID=57969131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620717305.9U Active CN205955576U (en) | 2016-07-08 | 2016-07-08 | Laborsaving apron of hoisting opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955576U (en) |
-
2016
- 2016-07-08 CN CN201620717305.9U patent/CN205955576U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |