CN205955577U - Laborsaving apron of hoisting opening convenient to transportation - Google Patents

Abstract

The utility model overcomes prior art's laborsaving apron exists in the transportation because the great vehicle that results in of gravity pole weight when complicated road conditions are gone, because the great inertia effect of gravity pole makes transmitting gear and fixed gear take place relative collision, and leads to the fact transmitting gear and fixed gear's the partial flank of tooth to take place the defect of damaging, and provide a laborsaving apron of hoisting opening convenient to transportation and include with ground fixed connection's attachment strap, with attachment strap articulated upper cover plate with lap 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 gravity pole is hollow structure, and is equipped with the balancing weight of dismantling the connection on the gravity pole.

Description

The laborsaving cover plate of hoisting port being readily transported

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 one kind is readily transported The laborsaving cover plate of hoisting port.

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 cover plate Heavier, manually directly overturn relatively elaborate during cover plate, a gravity rod be typically installed on the cover board, gravity rod and cover plate it Between a pair intermeshing rotate gear and fixed gear are installed, rotate gear is fixedly connected with gravity rod, fixed gear with Cover plate is fixedly connected.Gravity rod is made to have using the gravity that lever principle relies on gravity rod itself hinged around gravity rod and cover plate The trend of place's rotation, so that rotate gear has drive fixed gear rotating tendency, makes cover plate be subject to there is rotating tendency Power, thus reach operator and open compare labour-saving purpose during cover plate.After hoisting port is opened, cover plate can only be to hoisting port four In side while play guardrail effect, its excess-three side then no any guardrail measure of hoisting port.If staff does not have during operation There are attention surface conditions may fall down at this hoisting port, cause security incident.

Generally cover plate be completed by manufacturing enterprise after, cover plate is transported destination specified by client, due to gravity Bar and cover plate are to adopt hinge, typically transport gravity rod together with cover plate during transport.In cover plate in transit Because gravity rod is heavier, vehicle jolts, often because the inertia of gravity rod makes rotate gear, with fixed gear, relative touching occur Hit, make rotate gear and the flank of tooth of fixed gear that partial injury to occur.

The laborsaving cover plate of prior art exists in transportation and leads to vehicle because gravity rod weight is larger as can be seen here When complex road condition travels, because the larger effect of inertia of gravity rod makes rotate gear, with fixed gear, relative collision occur, and Cause the defect that the part flank of tooth of rotate gear and fixed gear is damaged.

Utility model content

The technical problems to be solved in the utility model be laborsaving cover plate for prior art exist in transportation by Lead to vehicle when complex road condition travels in gravity rod weight is larger because the larger effect of inertia of gravity rod make rotate gear with Fixed gear occurs relatively to collide, and causes the defect that the part flank of tooth of rotate gear and fixed gear is damaged.

In order to solve above-mentioned technical problem, this utility model provides following technical scheme:

The laborsaving cover plate of hoisting port being readily transported include the attachment strap that the is fixedly connected with the ground upper cover plate hinged with 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.

Using the laborsaving cover plate of the hoisting port being readily transported of technical solutions of the utility model, column plate is connected with ground, column plate Also upper cover plate and lower cover are played a supportive role.Baffle plate one side lower cover is risen position-limiting action prevent lower cover be rotated down beat Open, another aspect 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 is moved, and rotate gear is engaged with fixed gear, and rotate gear can drive fixed gear to move.Fixed gear rotates energy Drive lower cover upset.During live this cover plate specifically used, balancing weight increases the trend that gravity rod drives rotate gear motion.? When transporting this cover plate, balancing weight is pulled down from gravity rod, reduce cover plate in transportation because the inertia of gravity rod makes to turn There is relative collision with fixed gear in moving gear.Gravity rod is hollow structure, and the weight mitigating gravity rod is thus reduce gravity rod Inertia in transportation, be finally reached reduction makes rotate gear, with fixed gear, relative touching occur because of the inertia of gravity rod Hit, lead to rotate gear and the part flank of tooth of fixed gear to be damaged.

Operation principle：Balancing weight, in transport, is first pulled down from gravity rod by this cover plate.Then gravity block and cover plate are divided Other entrucking transport.When this cover plate is specifically used at the scene, using lever principle, balancing weight is arranged on gravity rod, dependence is joined The gravity of pouring weight makes gravity rod have the trend that the hinged place around gravity rod and attachment strap rotates, and gravity rod makes rotate gear have rotation The movement tendency turning, rotate gear makes fixed gear have the trend of rotation, because fixed gear and lower cover are to be fixedly connected, Therefore lower cover have around hinged place rotation movement tendency, when staff to lower cover apply to power when, lower cover around Column plate is rotated with lower cover hinged place, and now fixed gear and rotate gear relatively rotate.

Beneficial effect：When transporting this cover plate, because balancing weight disassembles from gravity rod, and gravity rod itself Hollow structure lead to the lighter in weight of gravity rod, therefore the inertia of gravity rod is less, in the transportation of cover plate, gravity rod pair The impact that rotate gear produces is less.The collision that rotate gear is occurred with fixed gear is less, rotate gear and fixed gear The flank of tooth is almost without any damage.When this cover plate is specifically used at the scene, because lower cover is subject to arrive the power come to gravity rod transmission, 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 certain rotating Power, when pulling open lower cover, only need to apply less pulling force can pull open lower cover to people, have and compare labour-saving feature.Especially It is for larger hoisting port, lower cover is generally heavier, need multiple staff could open cover plate.But use this instead After planting the laborsaving cover plate of hoisting port of structure, 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, balancing weight 10.

Specific embodiment

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the laborsaving cover plate of hoisting port that this utility model is readily transported includes one piece and ground 1, six pieces of upper cover plates 2 with attachment strap 1 hinge of the attachment strap that face is fixedly connected and two pieces of lower covers 3 with attachment strap 1 hinge. Rectangle hole for hoist is had in the middle part of attachment strap 1.Upper cover plate 2 is the engraved structure having multiple rectangle frames.Six pieces of upper cover plates 2 are divided into two Group, every three pieces of upper cover plates 2 are 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 square respectively On shape hole for hoist relative 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 Rectangle hole for hoist can be covered in during closing.Four pieces of baffle plates 9 for supporting lower cover 3, four pieces of gears are welded with attachment strap 1 inner side Plate 9 is located at four corners of rectangle hole for hoist respectively.It is provided with two gravity rods 4 with attachment strap 1 hinge, weight inside attachment strap 1 The hinged place of power bar 4 is welded with a rotate gear 5, and lower cover 3 welds a fixed gear with the hinge of attachment strap 1 6, fixed gear 6 is engaged each other with rotate gear 5.Many three a diameter of 50 millimeters of through holes, gravity rod are longitudinally opened on gravity rod 4 4 balancing weight 10 is installed, balancing weight 10 is connected by bearing pin with gravity rod 4, and balancing weight 10 can be located at different on gravity rod 4 Through hole, by adjusting diverse location on gravity rod 4 for the balancing weight 10, to adjust the power to gravity rod 4 hinged place for the gravity rod 4 Square, thus reach adjusting 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 Have U row groove, the pull bar 7 with lower cover 3 ball-joint is installed in groove, 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.

The laborsaving cover plate of hoisting port that this is readily transported during transporting curstomer's site from manufacturer, balancing weight 10 It is to disassemble entrucking transport respectively from gravity rod 4, it is to avoid because the weight of gravity rod 4 is larger, lead to gravity rod 4 in transportation In, because the inertia of gravity rod 4 is larger, lead to rotate gear, with fixed gear, relative collision occurs.

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 being readily transported, 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 be located at gravity rod and attachment strap hinged place it is characterised in that：Institute Stating gravity rod is hollow structure, and gravity rod is provided with the balancing weight dismantling connection therewith；The outside of described lower cover is provided with recessed Groove, is provided with the pull bar hinged with lower cover in described groove, described pull bar is provided with Anti-slip cover；Described upper cover plate is tied for hollow out Structure；Described connector is M shape latch, and described connector includes a long column, two short columns and horizontal columns, described long column with Short column is parallel to each other in the same plane, and the bottom of long column is flushed with the bottom of short column, the end of described horizontal columns and long column It is fixedly connected, short column is fixedly connected with horizontal columns, described upper cover plate is provided with the first pin-and-hole for long column insertion, on described lower cover It is provided with the second pin-and-hole for short column insertion.