CN212601682U - Power station equipment maintenance auxiliary device - Google Patents

Abstract

The utility model discloses a power station equipment maintenance auxiliary device, including chassis, elevating platform, guide pillar, slider, hydraulic cylinder, chain, the transversal C font structure of personally submitting of guide pillar, the guide pillar is the four corners of vertical state installation at the up end on chassis, the elevating platform is installed in the region between the guide pillar, and the elevating platform passes through the shock attenuation pulley and is connected with the guide pillar, the slider is total two, is the symmetry and installs between the guide pillar of elevating platform both sides to with guide pillar sliding connection, hydraulic cylinder installs in the slider below, and hydraulic cylinder's flexible end is connected with the middle part of slider. The utility model discloses an use the guide pillar, hydraulic cylinder, mechanism such as chain realize going up and down, and the guide pillar plays the guide effect during lift, reduces the elevating platform and rocks and drive the slider through hydraulic cylinder and realize going up and down, can effectively improve the bearing capacity of elevating platform, and the many people operation of being convenient for, the elevating platform passes through the shock attenuation pulley to be connected with the guide pillar, vibration during reducible operation, the personnel of being convenient for maintain the operation.

Description

Power station equipment maintenance auxiliary device

Technical Field

The utility model belongs to power station maintenance of equipment field especially relates to a power station equipment maintenance auxiliary device.

Background

When the hydropower station equipment is maintained, as the equipment is large, part of operation needs to be completed at the height of 2-4 meters, so that the hydropower station equipment needs to be maintained by using a lifting platform during field operation, a common lifting structure adopts a scissor type telescopic frame structure, and for example, Chinese patent with the application number of 201610102322.6 discloses an intelligent lifting platform for power maintenance and a use method thereof. The device comprises a hydraulic system, an electrical system, a base, a maintenance platform and a lifting device, wherein the leveling device is arranged on the base; the primary lifting platform is located above the base and arranged on the leveling device, an accelerometer and a gyroscope module are installed on the primary lifting platform, the gradient of the primary lifting platform can be accurately measured, four leveling hydraulic cylinders are respectively controlled to act through the controller, the primary lifting platform is in a horizontal state, the lifting platform of the shear type expansion bracket is used, although the lifting platform can have a large lifting height, the stability is low, the lifting platform is easy to shake, hydropower station equipment generally needs 2-4 people for cooperation, therefore, the common lifting platform is not suitable for being used with the hydropower station equipment, and the hydropower station equipment maintenance auxiliary device is needed.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a power station equipment maintenance auxiliary device can solve the poor problem of prior art stability.

The utility model discloses a following technical scheme can realize.

The utility model provides a pair of power station equipment maintenance auxiliary device, including chassis, elevating platform, guide pillar, slider, hydraulic cylinder, chain, the transversal C font structure of personally submitting of guide pillar, the guide pillar is the four corners of vertical state installation at the up end on chassis, the elevating platform is installed in the region between the guide pillar, and the elevating platform passes through the shock attenuation pulley and is connected with the guide pillar, the slider is total two, is the symmetry and installs between the guide pillar of elevating platform both sides to with guide pillar sliding connection, hydraulic cylinder installs in the slider below, and hydraulic cylinder's flexible end is connected with the middle part of slider, be equipped with the sprocket on the slider, the sprocket is walked around at the middle part of the chain, and chain one end is connected with the chassis up end, and the chain other end is connected.

The damping pulley comprises a roller and a connecting rod, one end of the connecting rod is hinged to one side of the lifting platform, the roller is connected with the other end of the connecting rod through a rotating shaft, the roller is connected with the guide pillar in a rolling mode, and a spring is arranged between the middle of the connecting rod and the lifting platform.

The elevating platform middle part is equipped with the toolbox, and the elevating platform periphery is equipped with the protection railing.

The chassis periphery is equipped with the extension arm, and extension arm one end is articulated with the chassis, and the extension arm other end passes through supporting disk and ground contact, and the supporting disk passes through the screw rod to be connected with the extension arm.

The sliding block is provided with two chain wheels in total, and the chain wheels are symmetrically arranged on the sliding block by taking the middle point of the sliding block as the center.

Four corners of the lifting platform are connected with the guide pillar through damping pulleys.

The beneficial effects of the utility model reside in that: through using the guide pillar, hydraulic cylinder, mechanism such as chain realize going up and down, and the guide pillar plays the guide effect when going up and down, reduces rocking of elevating platform and drives the slider through hydraulic cylinder and realize going up and down, can effectively improve the bearing capacity of elevating platform, the many people operation of being convenient for, and the elevating platform passes through the damping pulley and is connected with the guide pillar, vibration when can reducing the operation, the operating personnel of being convenient for maintain the operation.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a shock absorbing pulley;

in the figure: 1-chassis, 2-lifting platform, 3-guide column, 4-slide block, 5-hydraulic oil cylinder, 6-damping pulley, 7-chain, 8-chain wheel, 9-tool box, 10-protective railing, 11-extension arm, 12-support plate, 13-screw, 61-roller, 62-connecting rod and 63-spring.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 3, an auxiliary device for equipment maintenance of a hydropower station comprises a chassis 1, a lifting platform 2, guide pillars 3, sliders 4, hydraulic cylinders 5 and chains 7, wherein the cross sections of the guide pillars 3 are of a C-shaped structure, the guide pillars 3 are vertically arranged at four corners of the upper end face of the chassis 1, the lifting platform 2 is arranged in an area between the guide pillars 3, the lifting platform 2 is connected with the guide pillars 3 through damping pulleys 6, the two sliders 4 are symmetrically arranged between the guide pillars 3 at two sides of the lifting platform 2 and are in sliding connection with the guide pillars 3, the hydraulic cylinders 5 are arranged below the sliders 4, the telescopic ends of the hydraulic cylinders 5 are connected with the middle portions of the sliders 4, the sliders 4 are provided with chain wheels 8, the middle portions of the chains 7 are wound around the chain wheels 8, one ends of the chains 7 are connected with the upper end face of the chassis 1, and the other ends.

When the device is used, the maintenance auxiliary device is dragged to a maintenance position through a forklift, then the extension arm 11 is unfolded, the screw 13 is rotated, the supporting plate 12 is propped against the ground, when the device can be prevented from being used, the chassis 1 moves, after a worker enters the lifting platform 2, hydraulic oil is injected into the hydraulic oil cylinder 5 through a manual or electric oil pump, the telescopic end of the hydraulic oil cylinder 5 extends to drive the slide block 4 to move upwards, the chain 7 is pulled, the slide block 4 rises by 10cm when one end of the chain 7 is fixed, the lifting platform 2 rises by 20cm when the slide block 4 rises, the valve is closed after the lifting platform reaches a preset height, the hydraulic oil cylinder 5 keeps the length, when the height needs to be reduced, the valve is opened to enable the hydraulic oil in the hydraulic oil cylinder 5 to flow out, the height of the hydraulic oil cylinder 5 is reduced, the lifting platform 2 is connected with the guide pillar 3 through the damping pulley 6 during lifting, the lifting platform, the stability is improved.

The damping pulley 6 comprises a roller 61 and a connecting rod 62, one end of the connecting rod 62 is hinged to one side of the lifting platform 2, the roller 61 is connected with the other end of the connecting rod 62 through a rotating shaft, the roller 61 is connected with the guide post 3 in a rolling mode, a spring 63 is arranged between the middle of the connecting rod 62 and the lifting platform 2, the roller 61 is abutted to the guide post 3 through the spring 63, the lifting platform 2 is prevented from directly rubbing against the guide post 3, when the lifting platform 2 shakes in operation, the elastic force of the spring 63 on the damping pulley 6 on one side of the lifting platform 2 is increased, the elastic force of the spring 63 on the damping pulley 6 on the other side is reduced, and at the moment, the lifting platform 2 can be quickly adjusted to be in a balanced state under.

2 middle parts of elevating platform are equipped with toolbox 9, and 2 peripheries of elevating platform are equipped with protection railing 10, and toolbox 9 is owing to hold repair tools, and toolbox 9 is located the middle part of elevating platform 2 for the atress of elevating platform 2 is balanced, and personnel fall when protection railing 10 can prevent the operation, improve the security.

The periphery of chassis 1 is equipped with extension arm 11, and extension arm 11 one end is articulated with chassis 1, and extension arm 11 other end passes through supporting disk 12 and ground contact, and supporting disk 12 passes through screw rod 13 and is connected with extension arm 11, and extension arm 11 can rotate around the pin joint, and extension arm 11 can increase chassis 1's the arm of force after the expansion, can prevent chassis 1 again through frictional force and remove subaerial, improves stability.

The slider 4 is provided with two chain wheels 8 in total, the chain wheels 8 are symmetrically arranged on the slider 4 by taking the middle point of the slider 4 as the center, and the lifting platform 2 can be stably lifted by pulling 4 chains simultaneously during lifting.

The four corners of elevating platform 2 all is connected with guide pillar 3 through damping pulley 6, and when the operation, when elevating platform 2 rocked, the spring 63 elasticity on 2 one side damping pulley 6 of elevating platform increased, and the spring 63 elasticity on the other side damping pulley 6 reduced, and under the effect of spring 63 elasticity this moment, can make elevating platform 2 return fast just, resume balanced state, reach the absorbing purpose.

Claims (6)

1. The utility model provides a power station equipment maintenance auxiliary device which characterized in that: the lifting device comprises a chassis (1), a lifting platform (2), guide pillars (3), a sliding block (4), a hydraulic oil cylinder (5) and a chain (7), wherein the cross sections of the guide pillars (3) are of C-shaped structures, and the guide pillars (3) are vertically arranged at four corners of the upper end surface of the chassis (1); the lifting platform (2) is arranged in the area between the guide posts (3), and the lifting platform (2) is connected with the guide posts (3) through damping pulleys (6); the two sliding blocks (4) are symmetrically arranged between the guide posts (3) on the two sides of the lifting platform (2) and are in sliding connection with the guide posts (3), the hydraulic oil cylinder (5) is arranged below the sliding blocks (4), and the telescopic end of the hydraulic oil cylinder (5) is connected with the middle part of the sliding blocks (4); be equipped with sprocket (8) on slider (4), sprocket (8) are walked around in chain (7) middle part, and chain (7) one end is connected with chassis (1) up end, and the chain (7) other end is connected with elevating platform (2).

2. The utility model defined in claim 1 wherein: the damping pulley (6) comprises a roller (61) and a connecting rod (62), one end of the connecting rod (62) is hinged to one side of the lifting platform (2), the roller (61) is connected with the other end of the connecting rod (62) through a rotating shaft, the roller (61) is in rolling connection with the guide pillar (3), and a spring (63) is arranged between the middle of the connecting rod (62) and the lifting platform (2).

3. The utility model defined in claim 1 wherein: the middle part of the lifting platform (2) is provided with a tool box (9), and the periphery of the lifting platform (2) is provided with a protective railing (10).

4. The utility model defined in claim 1 wherein: the chassis (1) periphery is equipped with extension arm (11), and extension arm (11) one end is articulated with chassis (1), and extension arm (11) other end passes through supporting disk (12) and ground contact, and supporting disk (12) are connected with extension arm (11) through screw rod (13).

5. The utility model defined in claim 1 wherein: the sliding block (4) is provided with two chain wheels (8), and the chain wheels (8) are symmetrically arranged on the sliding block (4) by taking the middle point of the sliding block (4) as the center.

6. The utility model defined in claim 1 wherein: four corners of the lifting platform (2) are connected with the guide pillar (3) through damping pulleys (6).

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