CN221955672U - Movable lifting device for long tunnel counter-slope drainage fixed pump station - Google Patents

Abstract

The utility model discloses a mobile hoisting device for a long tunnel reverse slope drainage fixed pump station. The device comprises a support frame, a longitudinal movement mechanism and an electric hoist. The support frame comprises side support frames respectively arranged on both sides of the design position of the fixed pump station, the side support frames are arranged along the longitudinal direction of the cavern where the fixed pump station is located, the side support frames comprise a plurality of vertical columns arranged at intervals, the bottom of the vertical columns are fixed to the bottom steel platform of the fixed pump station, an I-beam is arranged at the lower part of the side support frame to fix the vertical columns together, a running longitudinal beam is fixed at the upper part of the vertical columns of the side support frame, and the upper and lower parts between the two side support frames are both provided with lateral supports, the longitudinal movement mechanism comprises a moving crossbeam and two overhead traveling end beams, the two overhead traveling end beams are respectively movably arranged on the running longitudinal beams of the two side support frames, the two ends of the moving crossbeam are respectively connected to the two overhead traveling end beams, and the electric hoist is arranged on the moving crossbeam.

Description

Mobile hoisting device for fixed pump station for reverse slope drainage in long tunnel

Technical Field

The utility model relates to a mobile hoisting device for a long tunnel reverse slope drainage fixed pump station, which is mainly used for moving the long tunnel reverse slope drainage fixed pump station and belongs to the technical field of tunnel construction.

Background Art

In the construction of long and large tunnels, in order to solve the long-distance reverse slope drainage problem of water-rich tunnels, a fixed pump station needs to be set up at an interval of about 500m in the auxiliary channel and equipped with a high-power water pump. As the length of tunnel excavation continues to increase, the number of fixed pump stations also increases, and the installation and maintenance of pump station equipment also increase.

The high-power water pumps configured in fixed pump stations can weigh up to 1.2 tons. In the past, cranes or excavators were often used for lifting and construction when installing and replacing water pumps. Due to the small internal space of the pump station, large lifting equipment is difficult to operate and has low efficiency. During the lifting and construction period, the roadway will be occupied for a long time, affecting the passage of other construction machinery and equipment. Since the operation cycle of fixed pump stations is long, a large number of water pump lifting operations will be generated during this period. The long-term occupation of lifting equipment will also indirectly affect the progress of tunnel construction.

Utility Model Content

In view of the above-mentioned defects existing in the prior art, the utility model provides a device which can conveniently and quickly move and hoist the reverse slope drainage fixed pump station in the construction of long and large tunnels, which can solve the problem of convenient lifting of large and heavy equipment in a narrow space.

The utility model is realized through the following technical scheme: a mobile hoisting device for a fixed pump station for reverse slope drainage in a long tunnel, characterized in that it includes a support frame, a longitudinal movement mechanism, and an electric hoist, wherein the support frame includes side support frames respectively arranged on both sides of the design position of the fixed pump station, the side support frames are arranged along the longitudinal direction of the cavern where the fixed pump station is located, and the side support frames on each side include a plurality of vertical columns arranged at intervals along the longitudinal direction of the cavern, the bottom of the vertical columns are fixed to the bottom steel platform of the fixed pump station, and the lower part of the side support frame on each side is provided with an I-beam to connect the vertical columns on this side. The columns are fixedly connected together, a running longitudinal beam is fixed on the upper part of the vertical column of the side support frame on each side, and lateral supports are arranged on the upper and lower parts between the two side support frames. The longitudinal movement mechanism includes a moving beam and two overhead crane walking end beams, and the two overhead crane walking end beams are movably arranged on the running longitudinal beams of the two side support frames, and the two ends of the moving beam are respectively connected to the two overhead crane walking end beams, and the electric hoist is movably arranged on the moving beam, and both ends of the running longitudinal beam and the two ends of the moving beam are provided with limited position buffer devices.

In the utility model, the support frame serves as a supporting force system, the running longitudinal beam on the upper part of the support frame serves as a running track of the traveling end beam of the overhead crane of the longitudinal movement mechanism, the moving crossbeam can move longitudinally along the running longitudinal beam through the traveling end beam of the overhead crane, and the electric hoist can move laterally along the moving crossbeam. The limiting buffer devices arranged at both ends of the running longitudinal beam and both ends of the moving crossbeam are used to limit and buffer the traveling end beam of the overhead crane and the electric hoist to ensure the safe operation of the equipment. When the fixed pump station equipment needs to be hoisted, the equipment can be conveniently moved in the cavern through the electric hoist, and the roadway will not be occupied during the hoisting process, and the passage of other construction machinery and equipment will not be affected.

Furthermore, in order to improve the structural strength and facilitate the use of existing construction materials, the running longitudinal beam is 25# I-beam, and the running wheels of the overhead crane running end beam cooperate with the upper flange of the I-beam; the moving crossbeam is 25# I-beam, and the running wheels of the electric hoist cooperate with the lower flange of the I-beam.

Furthermore, the vertical columns and transverse supports of the support frame are all 25# I-beams.

Furthermore, in order to improve the bearing capacity and stress stability of the support frame, the running longitudinal beam and the upper ends of each vertical column are fully welded, and an oblique support is welded between the running longitudinal beam and the vertical column.

Furthermore, the limit buffer device includes a limit plate and a rubber buffer, the rubber buffer is fixedly connected to the limit plate, and the limit plate is fixed on the running longitudinal beam and the moving cross beam.

Furthermore, in order to improve the stability of the longitudinal movement of the moving crossbeam, the length of the overhead crane traveling end beam is 1.2m, and a set of traveling wheels is provided at the front and rear.

The beneficial effects of the utility model are as follows: the utility model has a simple structure, convenient material acquisition, convenient processing and manufacturing, low cost, and is conducive to large-scale promotion and application. The utility model sets a longitudinally arranged support frame in the cavern where the fixed pump station is located, and uses a longitudinal movement mechanism and an electric hoist to conveniently move large and heavy equipment in the cavern. During the lifting process, the roadway is not occupied, and the passage of other construction machinery and equipment is not affected. The equipment is convenient and easy to move, and the construction efficiency is high. The narrow space of the fixed pump station can be conveniently moved without dead angles for the water pump equipment, avoiding the waiting time for large lifting equipment, and realizing the use of the equipment at any time. The buffer limit device is set to improve the safety and reliability of the mobile lifting equipment. The overall stability of the load-bearing frame is improved by setting a transverse support between the support frames on both sides of the support frame. The stability of the longitudinal movement of the mobile crossbeam is improved by lengthening the overhead traveling end beam and setting two sets of front and rear running wheels with a large spacing between the two sets of running wheels.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is an enlarged schematic diagram of portion B in FIG1 ;

Fig. 3 is a schematic diagram of A-A in Fig. 1;

FIG4 is a schematic diagram of a position limiting buffer device in the present utility model;

In the figure, 1. the cavern where the fixed pump station is located, 2. the side support frame, 3. the upper lateral support, 4. the lower lateral support, 5. the movable crossbeam, 6. the electric hoist, 7. the first buffer, 8. the first limit plate, 9. the overhead travelling end beam, 10. the travelling longitudinal beam, 11. the steel plate, 12. the vertical column, 13. the I-beam, 14. the oblique support, 15. the second buffer, 16. the second limit plate, 17. the buffer pad, 18. the travelling wheels of the overhead travelling end beam, 19. the bottom steel platform of the fixed pump station.

DETAILED DESCRIPTION

The present invention is further described below by way of non-limiting embodiments and in conjunction with the accompanying drawings:

As shown in the attached drawings, a mobile hoisting device for a long tunnel reverse slope drainage fixed pump station includes a support frame, a longitudinal movement mechanism, and an electric hoist 6. The support frame includes side support frames 2 respectively arranged on both sides of the design position of the fixed pump station. The side support frames 2 are arranged longitudinally along the cavern 1 where the fixed pump station is located. The side support frames 2 on each side include a plurality of vertical columns 12 arranged at intervals along the longitudinal direction of the cavern 1. The bottom of the vertical column 12 is welded and fixed to the bottom steel platform 19 of the fixed pump station. The side support frames 2 on each side are arranged longitudinally along the cavern 1. The lower part of the support frame 2 is provided with an I-beam 13 to fix the vertical columns 12 on that side together. A running longitudinal beam 10 is fixed to the upper part of the vertical column 12 of each side support frame 2. A 16mm thick steel plate is provided between the running longitudinal beam 10 and the top of the vertical column 12, and a full welding connection is adopted. An upper transverse support 3 is provided between the upper parts of the two side support frames 2, and a lower transverse support 4 is provided between the lower parts of the two side support frames 2. The stability of the support frame body can be improved by the transverse support. The longitudinal movement mechanism includes a moving crossbeam 5 and two overhead traveling end beams 9. The two overhead traveling end beams 9 are movably provided on the running longitudinal beams 10 of the two side support frames 2 through their traveling wheels 18, and the running longitudinal beams 10 serve as longitudinal running tracks. The two ends of the moving crossbeam 5 are respectively welded to the middle parts of the two overhead traveling end beams 9, and the moving crossbeam 5 can be longitudinally moved through the overhead traveling end beams 9 at both ends. The electric hoist 6 is movably arranged on the moving beam 5. The overhead traveling end beam 9 in this embodiment is a prior art and can be purchased. The overhead traveling end beam 9 has running wheels, which can be driven by a motor to travel along the running track. In order to improve the stability of the longitudinal movement of the moving beam 5, the length of the overhead traveling end beam in this embodiment is 1.2m, and a set of running wheels 18 are respectively arranged at the front and rear.

In order to ensure the structural strength and overall stability of the support frame and facilitate the use of existing construction materials, it is preferred in this embodiment that the vertical columns 12 of the support frame, the upper transverse supports 3, the lower transverse supports 4, the running longitudinal beams 10, the movable transverse beams 5 and the I-beams 13 connecting the vertical columns 12 are all made of 25# I-beams, wherein the traveling wheels 18 of the overhead traveling end beam 9 cooperate with the upper flange of the I-beam of the running longitudinal beam 10, and the traveling wheels of the electric hoist 6 cooperate with the lower flange of the I-beam of the movable transverse beam 5.

In order to ensure the safe operation of the equipment, the utility model is provided with limited buffer devices at both ends of the running longitudinal beam 10 and both ends of the moving crossbeam, wherein the limited buffer devices arranged at both ends of the moving crossbeam 5 include a first limited plate 8 and a first buffer 7, the first buffer 7 is connected to the first limited plate 8 by bolts, and the first limited plate 8 is welded and fixed to the moving crossbeam 5; the limited buffer devices arranged at both ends of the running longitudinal beam 10 include a second limited plate 16 and a second buffer 15, the second buffer 15 is bolted on the second limited plate 16, and the second limited plate 16 is welded and fixed to the running longitudinal beam 10. The first buffer 7 and the second buffer 15 are both cylindrical rubber buffers. Buffer pads 17 are correspondingly arranged on both sides of the overhead traveling end beam 9. The limited buffer device can limit and buffer the movement of the moving crossbeam and the electric hoist to ensure the safe operation of the equipment.

In order to improve the bearing capacity and stress stability of the support frame, in this embodiment, an oblique support 14 is welded between the running longitudinal beam 10 and the vertical column 12, and the oblique support 14 is made of No. 18 I-beam.

When the utility model is installed and used, the excavation of the cavern where the fixed pump station is designed has been completed, and the construction of the primary support and the fixed pump station foundation structure has also been completed, and the bottom steel platform 19 of the fixed pump station has been laid. The components of the support frame in the utility model are completed in the workshop of the equipment processing plant. The I-beam cutting and welding operations are completed, and the processed components are transported to the fixed pump station, and the manual and mechanical assembly construction is carried out on site. After the installation is completed, the equipment needs to be inspected and accepted, and a trial hoisting is carried out to verify the safety of the equipment.

When fixed pump station equipment needs to be lifted, the equipment is lifted by an electric hoist. The electric hoist can drive the equipment to move laterally along the movable crossbeam, and move longitudinally along the running longitudinal beam 10 through the movable crossbeam, so that the equipment can be conveniently and flexibly moved in the cavern. During the lifting process, the driving lane is not occupied and the passage of other construction machinery and equipment is not affected, thus realizing the convenient lifting of heavy objects in a narrow space.

The electric control systems of the overhead traveling end beam and the electric hoist in the utility model all adopt the existing technology.

The other parts of this embodiment are all prior art and will not be described in detail here.

Claims (6)

1. A long tunnel counter-slope drainage fixed pump station removes hoist device, characterized by: including support frame body, indulge and move mechanism, electric block, support frame body is including setting up the side support frame in fixed pump station design position both sides respectively, the side support frame is along the longitudinal arrangement of fixed pump station place chamber, and each side the side support frame is all including a plurality of vertical stands of following the longitudinal interval arrangement of chamber, and vertical stand bottom is fixed in the bottom steel platform of fixed pump station, each side the side support frame lower part all is provided with I-steel and links together between the vertical stand of this side, and each side the vertical stand upper portion of side support frame all is fixed with a walking longeron, two upper portion and lower part between the side support frame all are provided with horizontal support, indulge and move the mechanism and including moving crossbeam and two overhead traveling end beams, two overhead traveling end beams movably set up respectively on the walking longeron of two side support frames, the both ends of moving crossbeam are connected with two overhead traveling end beams respectively, electric block movably sets up on the moving crossbeam, the both ends of walking longeron and the both ends of moving crossbeam all are provided with buffer stop.

2. The mobile lifting device for a long and large tunnel counter-slope drainage fixed pump station according to claim 1, wherein the mobile lifting device is characterized in that: the travelling side beam is 25# I-steel, and the travelling wheel of the travelling end beam of the crown block is matched with the upper flange of the I-steel; the movable cross beam is 25# I-steel, and the travelling wheel of the electric hoist is matched with the lower flange of the I-steel.

3. The mobile lifting device for a long and large tunnel counter-slope drainage fixed pump station according to claim 1 or 2, characterized in that: the vertical upright post and the transverse support of the support frame body are all 25# I-steel.

4. The mobile lifting device for a long and large tunnel counter-slope drainage fixed pump station according to claim 1 or 2, characterized in that: and the upper ends of the walking longitudinal beams and the vertical upright posts are connected by full-length welding, and inclined supports are welded between the walking longitudinal beams and the vertical upright posts.

5. The mobile lifting device for a long and large tunnel counter-slope drainage fixed pump station according to claim 1 or 2, characterized in that: the limiting buffer device comprises a limiting plate and a rubber buffer, the rubber buffer is fixedly connected to the limiting plate, and the limiting plate is fixed to the travelling longitudinal beam and the movable cross beam.

6. The mobile lifting device for a long and large tunnel counter-slope drainage fixed pump station according to claim 1 or 2, characterized in that: the length of the travelling end beam of the crown block is 1.2m, and a group of travelling wheels are respectively arranged in front and back.