CN218491242U

CN218491242U - Hoisting anti-deformation device for thermal power Pi type furnace screen type superheater

Info

Publication number: CN218491242U
Application number: CN202221740971.6U
Authority: CN
Inventors: 罗旭; 雒得齐; 莫有烽; 张小凡; 冯剑华; 蔺阳; 杨永刚
Original assignee: China Energy Engineering Group Guangdong Power Engineering Co ltd
Current assignee: China Energy Engineering Group Guangdong Power Engineering Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2023-02-17
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a thermoelectricity pi type furnace screen over heater hoist and mount anti-deformation device, including the mount, the side of mount is provided with hoisting machine and constructs, and hoisting machine constructs including the at least three fixed block of even sliding connection between the inner wall of mount both sides, and the lift groove has all been seted up to the inside of the both sides of mount and the inside of three fixed block, and the top outer wall of lift groove rotates and is connected with the turning block, and the rotation groove has been seted up at the top of turning block. The utility model discloses a mount that sets up hangs the hoist and mount hole at rings with the hoist and mount hook, uses tools such as spanner to rotate the turning block, and the turning block drives two rotations of lead screw, and two drive lifter plates of lead screw move along the lift groove, and the lifter plate drives and supports the cover and remove, supports the cover and along fixed cover rebound, supports the cover and drives spring one and remove, and the lift post removes under the effect of spring one, and the lift post drives the removal piece and removes, and the drive fixture block of movable block stretches out the opening.

Description

Hoisting anti-deformation device for thermal power Pi type furnace screen type superheater

Technical Field

The utility model relates to a hoist device technical field especially relates to a thermal power pi type furnace screen type over heater hoist and mount anti-deformation device.

Background

The screen superheater is also commonly called a semi-radiation superheater and refers to a heating surface which is arranged at the upper part of a hearth or at a smoke window at the outlet of the hearth and is used for receiving direct radiation heat in the furnace and absorbing convection heat of smoke, and a larger distance is kept between two adjacent screens of the screen superheater, so that the screen superheater can play a role in reducing the temperature of the smoke at the outlet of the hearth and slag condensation, prevents slag from being formed on the subsequent heating surface, and is also a main component of the heating surface of the superheater of the modern large-scale boiler.

The hoisting of the screen superheater is to utilize an upper part hoisting machine to bind an inlet and outlet distribution header through a steel wire rope, and a lower part machine to bind a pipe screen through the steel wire rope to complete overturning hoisting work, wherein in the hoisting process, the steel wire rope is distributed to multiple points from a mechanical hook and is bound with the pipe screen, and because the height of the combined field portal crane is limited, the included angle of the steel wire rope is subjected to tangential force towards the center direction, so that the bending deformation of the pipe screen can be caused more or less, and the phenomena that permanent equipment defects are caused by severe deformation of partial pipe screen when the operation is not performed can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hoisting anti-deformation device for a thermal power n-shaped furnace screen type superheater.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a thermal power pi type furnace screen over heater hoist and mount anti-deformation device, includes the mount, the side of mount is provided with hoisting machine and constructs.

Preferably, hoisting machine constructs including the at least three fixed block of even sliding connection between the inner wall of mount both sides, the lift groove has all been seted up to the inside of both sides of mount and the inside of three fixed block, the top outer wall in lift groove rotates and is connected with the turning block, the rotation groove has been seted up at the top of turning block, the bottom of turning block is rotated and is connected with lead screw two, the other end of lead screw two rotates and connects in the bottom in lift groove, the side threaded connection of lead screw two has the lifter plate, the side sliding connection of lifter plate is in the side in lift groove, the even fixed connection in top of lifter plate supports the cover.

Preferably, the side sliding connection who supports the cover is in the side in lift groove, the fixed slot has been seted up at the top of supporting the cover, the fixed cover that the top fixedly connected with in lift groove aligns with the fixed slot, the side sliding connection of fixed cover is in the side of fixed slot, support the top of cover and seted up and supported the groove, the side sliding connection who supports the groove has the lift post, fixedly connected with spring one between the bottom of lift post and the bottom that supports the groove, the opening that aligns with the lift post is seted up at the top in lift groove, open-ended side sliding connection has the movable block, the bottom fixed connection of movable block is in the top of lift post, flexible groove has been seted up to the both sides of movable block, the bottom sliding connection in flexible groove has the fixture block, fixedly connected with spring two between the side of fixture block and the side in flexible groove.

Preferably, the top of the fixing frame is uniformly and fixedly connected with at least eight rotating shafts, the top of each rotating shaft is fixedly connected with a hanging ring, the bottom of each hanging ring is rotatably connected to the top of the fixing frame, and a hoisting hole is formed in the side face of each hanging ring.

Preferably, the side of hoist and mount hole is rotated and is connected with the annular slab, and the even fixedly connected with six at least lugs of side inner wall of annular slab, the spout has all been seted up to the both sides inner wall of mount, and the side outer wall of mount is rotated and is connected with the lead screw one that aligns with the spout, and the other end of lead screw one is rotated and is connected in the opposite side outer wall of spout.

Preferably, the two sides of the side surface of the first screw rod are uniformly and fixedly connected with at least four rotating rods, and the side surface of each rotating rod is fixedly connected with a handle.

Preferably, the side surface of the first screw rod is in threaded connection with a sliding block, the side surface of the sliding block is in sliding connection with the inner wall of the side surface of the sliding groove, and the other side of the sliding block is fixedly connected to the side surface of the fixed block.

Compared with the prior art, the utility model provides a thermal power pi type furnace screen over heater hoist and mount anti-deformation device possesses following beneficial effect:

1. through the mount that sets up, hang the hoist and mount hole at rings with the hoist and mount hook, use tools such as spanner to rotate the turning block, the turning block drives two rotations of lead screw, two drive lifter plates of lead screw move along the lift groove, the lifter plates drives and supports the cover and remove, support the cover and drive the first removal of spring along fixed cover, it removes to support the cover and drive the spring, it removes to push down the post under the effect of spring one, it removes to push down the post and drive the moving block, the drive fixture block of movable block stretches out the opening, push down the fixture block and remove along flexible groove under the effect of spring two, make the lift post that is not sheltered from by the tube panel stretch out, and between the lift post block the pipeline, the fixture block blocks the tube panel card on the mount, be favorable to abundant stable fixed screen formula, it is simple, the superheater's installation work has been accomplished to the efficient, it does not take place to deform to have guaranteed that equipment, play very big guard action to the quality of engineering.

2. Through the annular plate that sets up, hoist and mount hook hoist and mount are on the annular plate, make the lifting hook card between the lug, take place violent friction between lifting hook and the rings when being favorable to using hoist reversal mount and platen superheater, reduce the work efficiency of hoist handling, the working life of extension rings, the handle rotates, the handle drives a lead screw rotation, a lead screw drives the slider and removes along the spout, the slider drives the mount and removes, be favorable to the device to come the operating condition who changes the device according to specific pipe screen shape, be favorable to enlarging the working range of device.

Drawings

Fig. 1 is a schematic view of the overall structure of a thermal power n-type furnace platen superheater hoisting anti-deformation device provided by the utility model;

fig. 2 is a schematic view of the internal structure of a thermal power n-type furnace platen superheater hoisting anti-deformation device provided by the utility model;

fig. 3 is a schematic structural diagram of a fixing block of the thermal power pi-shaped furnace screen type superheater hoisting deformation prevention device provided by the utility model;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is the utility model provides a thermal power pi type furnace screen type over heater hoist and mount anti-deformation device's rings schematic structure view.

In the figure: 1-fixed mount, 2-first lead screw, 3-rotating block, 4-sliding chute, 5-fixed block, 6-lifting ring, 7-rotating chute, 8-lifting chute, 9-sliding block, 10-second lead screw, 11-lifting plate, 12-moving block, 13-fixed sleeve, 14-lifting column, 15-first spring, 16-fixed chute, 17-supporting sleeve, 18-clamping block, 19-handle, 20-second spring, 21-rotating rod, 22-lug, 23-annular plate, 24-rotating shaft and 25-supporting chute.

Detailed Description

Example 1:

referring to fig. 1, 2, 3, 4 and 5, the thermal power n-type furnace platen superheater hoisting deformation prevention device comprises a fixing frame 1, and a hoisting mechanism is arranged on the side surface of the fixing frame 1.

The utility model discloses in, hoisting machine constructs including even sliding connection at least three fixed block 5 between the inner wall of 1 both sides of mount, lift groove 8 has all been seted up to the inside of both sides of mount 1 and the inside of three fixed block 5, the top outer wall of lift groove 8 rotates and is connected with turning block 3, turning block 3's top has been seted up and has been rotated 7, turning block 3's bottom is rotated and is connected with two 10 of lead screw, the other end of two 10 of lead screw rotates and connects in the bottom of lift groove 8, the side threaded connection of two 10 of lead screw has lifter plate 11, lifter plate 11's side sliding connection is in the side of lift groove 8, lifter plate 11's the even fixed connection in top supports cover 17.

Support the side sliding connection of cover 17 in the side of lift groove 8, fixed slot 16 has been seted up at the top of support cover 17, the fixed cover 13 that the top fixedly connected with in lift groove 8 aligns with fixed slot 16, the side sliding connection of fixed cover 13 in the side of fixed slot 16, support the top of cover 17 and seted up support groove 25, the side sliding connection who supports groove 25 has lift post 14, fixedly connected with spring 15 between the bottom of lift post 14 and the bottom of supporting groove 25, the opening that aligns with lift post 14 is seted up at the top in lift groove 8, open-ended side sliding connection has movable block 12, the bottom fixed connection of movable block 12 is in the top of lift post 14, flexible groove has been seted up to the both sides of movable block 12, the bottom sliding connection in flexible groove has fixture block 18, fixedly connected with spring two 20 between the side of fixture block 18 and the side in flexible groove.

The even fixedly connected with eight at least pivot 24 in mount 1's top, the top fixedly connected with rings 6 of pivot 24, the bottom of rings 6 is rotated and is connected in mount 1's top, and the hole for hoist has been seted up to rings 6's side.

The working principle is as follows: a crane hook is hung in a hoisting hole of a hoisting ring 6, a tool such as a wrench is used for rotating a rotating block 3, the rotating block 3 drives a lead screw II 10 to rotate, the lead screw II 10 drives a lifting plate 11 to move along a lifting groove 8, the lifting plate 11 drives a support sleeve 17 to move, the support sleeve 17 moves upwards along a fixed sleeve 13, the support sleeve 17 drives a spring I15 to move, a lifting column 14 is pushed to move under the action of the spring I15, the lifting column 14 drives a moving block 12 to move, a driving clamping block 18 of the moving block 12 extends out of an opening, the clamping block 18 is pushed to move along a telescopic groove under the action of a spring II 20, the lifting column 14 which is not shielded by a tube panel is enabled to extend out, the lifting column 14 is clamped between pipelines, the clamping block 18 clamps the tube panel on a fixed frame 1, the fully and stably fixes the panel superheater, the installation work of the panel superheater is simply and efficiently completed, the deformation of equipment is avoided, and the quality of engineering is greatly guaranteed.

Example 2:

referring to fig. 1, 2, 3, 4 and 6, a thermal power pi-shaped furnace platen superheater hoisting deformation prevention device comprises a fixing frame 1, and a hoisting mechanism is arranged on the side surface of the fixing frame 1.

Support the side sliding connection of cover 17 in the side of lift groove 8, fixed slot 16 has been seted up at the top of support cover 17, the fixed cover 13 that the top fixedly connected with of lift groove 8 aligns with fixed slot 16, the side sliding connection of fixed cover 13 is in the side of fixed slot 16, support groove 25 has been seted up at the top of support cover 17, the side sliding connection of support groove 25 has lift post 14, fixedly connected with spring 15 between the bottom of lift post 14 and the bottom of support groove 25, the opening that aligns with lift post 14 is seted up at the top of lift groove 8, open-ended side sliding connection has movable block 12, the bottom fixed connection of movable block 12 is in the top of lift post 14, flexible groove has been seted up to the both sides of movable block 12, the bottom sliding connection in flexible groove has fixture block 18, fixedly connected with spring two 20 between the side of fixture block 18 and the side in flexible groove.

The side of hoist and mount hole rotates and is connected with annular plate 23, and the even fixedly connected with six at least lugs 22 of side inner wall of annular plate 23, and spout 4 has all been seted up to the both sides inner wall of mount 1, and the side outer wall of mount 1 rotates and is connected with lead screw 2 that aligns with spout 4, and the other end of lead screw 2 rotates and connects in the opposite side outer wall of spout 4.

The two sides of the side surface of the first screw rod 2 are uniformly and fixedly connected with at least four rotating rods 21, and the side surface of each rotating rod 21 is fixedly connected with a handle 19.

The side surface of the first screw rod 2 is in threaded connection with a sliding block 9, the side surface of the sliding block 9 is in sliding connection with the inner wall of the side surface of the sliding groove 4, and the other side of the sliding block 9 is fixedly connected to the side surface of the fixed block 5.

The working principle is as follows: a crane hook is hung in a hoisting hole of a hoisting ring 6, a tool such as a wrench is used for rotating a rotating block 3, the rotating block 3 drives a screw rod II 10 to rotate, the screw rod II 10 drives a lifting plate 11 to move along a lifting groove 8, the lifting plate 11 drives a support sleeve 17 to move, the support sleeve 17 moves upwards along a fixed sleeve 13, the support sleeve 17 drives a spring I15 to move, a lifting column 14 is pushed to move under the action of the spring I15, the lifting column 14 drives a moving block 12 to move, a driving clamping block 18 of the moving block 12 extends out of an opening, the clamping block 18 is pushed to move along a telescopic groove under the action of a spring II 20, so that the lifting column 14 which is not shielded by a tube panel extends out, the lifting column 14 is clamped between pipelines, the clamping block 18 clamps the tube panel on a fixed frame 1, the fully and stably fixed panel type superheater is facilitated, the installation work of the panel superheater is simply and efficiently completed, the deformation of equipment is guaranteed, and the quality of engineering is greatly guaranteed.

Hoist and mount of crane lifting hook on annular plate 23, make the lifting hook card between lug 22, take place violent friction between lifting hook and the rings 6 when being favorable to using hoist reversal mount 1 and platen superheater, reduce the work efficiency of hoist handling, prolong rings 6's life, rotate handle 19, handle 19 drives lead screw 2 and rotates, lead screw 2 drives slider 9 and removes along spout 4, slider 9 drives the removal of fixed block 5, be favorable to the device to come the operating condition of changing device according to specific pipe screen shape, be favorable to enlarging the working range of device.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a thermal power pi type furnace screen superheater hoists anti-deformation device, including mount (1), a serial communication port, the side of mount (1) is provided with hoisting mechanism, hoisting mechanism is including even sliding connection at least three fixed block (5) between mount (1) both sides inner wall, lift groove (8) have all been seted up to the inside of both sides of mount (1) and the inside of three fixed block (5), the top outer wall of lift groove (8) rotates and is connected with turning block (3), rotating groove (7) have been seted up at the top of turning block (3), the bottom of turning block (3) rotates and is connected with lead screw two (10), the other end rotation of lead screw two (10) is connected in the bottom of lift groove (8), the side threaded connection of lead screw two (10) has lifter plate (11), the side sliding connection in the side of lifter plate (11) is in the side of lift groove (8), the even fixed connection in top of lifter plate (11) supports cover (17), the side sliding connection in the side of lift groove (8) is in the fixed slot (13), the fixed groove (16) of fixed slot (13) is seted up the fixed cover (16), support side sliding connection in groove (25) has lift post (14), fixedly connected with spring (15) between the bottom of lift post (14) and the bottom of supporting groove (25), the opening that aligns with lift post (14) is seted up at the top in lift groove (8), open-ended side sliding connection has movable block (12), the bottom fixed connection in the top of lift post (14) of movable block (12), flexible groove has been seted up to the both sides of movable block (12), the bottom sliding connection in flexible groove has fixture block (18), fixedly connected with spring two (20) between the side in side and the flexible groove of fixture block (18).

2. The thermal power pi-type furnace screen superheater hoisting deformation prevention device as claimed in claim 1, wherein at least eight rotating shafts (24) are uniformly and fixedly connected to the top of the fixing frame (1), hoisting rings (6) are fixedly connected to the tops of the rotating shafts (24), the bottoms of the hoisting rings (6) are rotatably connected to the top of the fixing frame (1), and hoisting holes are formed in the side surfaces of the hoisting rings (6).

3. The thermal power Pi type furnace screen superheater hoisting anti-deformation device according to claim 2, wherein a ring plate (23) is rotatably connected to the side surface of the hoisting hole, at least six convex blocks (22) are uniformly and fixedly connected to the inner side surface wall of the ring plate (23), sliding grooves (4) are formed in the inner side surfaces of the fixed frame (1), a first screw rod (2) aligned with the sliding grooves (4) is rotatably connected to the outer side surface wall of the fixed frame (1), and the other end of the first screw rod (2) is rotatably connected to the outer side surface of the sliding groove (4).

4. The hoisting deformation prevention device for the thermal power Pi-type furnace platen superheater according to claim 3, wherein at least four rotating rods (21) are uniformly and fixedly connected to two sides of the side surface of the first screw rod (2), and a handle (19) is fixedly connected to the side surface of each rotating rod (21).

5. The thermal power Pi type furnace platen superheater hoisting deformation prevention device according to claim 4, wherein a sliding block (9) is in threaded connection with the side surface of the first screw rod (2), the side surface of the sliding block (9) is in sliding connection with the inner wall of the side surface of the sliding groove (4), and the other side of the sliding block (9) is fixedly connected with the side surface of the fixing block (5).