CN215287866U - Special tool for overhauling high-pressure heater - Google Patents
Special tool for overhauling high-pressure heater Download PDFInfo
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- CN215287866U CN215287866U CN202121506433.6U CN202121506433U CN215287866U CN 215287866 U CN215287866 U CN 215287866U CN 202121506433 U CN202121506433 U CN 202121506433U CN 215287866 U CN215287866 U CN 215287866U
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- pressure heater
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Abstract
The utility model provides a high pressure feed water heater overhauls specialized tool belongs to power equipment and overhauls auxiliary assembly technical field, comprising a base plate, be equipped with on the bottom plate and erect the support, the support inboard is equipped with hoisting device, hoisting device and bottom plate and support fixed connection, the fixed horizontal pole that is equipped with on hoisting device's the free end, the horizontal pole both sides respectively are equipped with the pulley, the wiring is equipped with the rope on the pulley, the one end and the support fixed connection of rope, the other end connection of rope is equipped with the slider, the slider with support sliding rail connection, the slider transversely is provided with the crossbeam, the crossbeam with slider shaft liner connection. The utility model provides a high pressure feed water heater overhauls specialized tool, when overhauing high pressure feed water heater, drives the crossbeam through hoisting device to heater blind flange and crossbeam fixed connection and reciprocates, and need not artifical transport blind flange, reduces maintainer's intensity of labour, improves maintenance work efficiency.
Description
Technical Field
The utility model belongs to the technical field of electric power overhauls auxiliary assembly, concretely relates to high pressure feed water heater overhauls specialized tool.
Background
The high pressure heater is a surface heat exchanger, is a main auxiliary device of a thermal power plant, and mainly utilizes the extraction steam of a steam turbine to realize the purpose of adding water to a boiler so as to achieve the device for supplying water to reach the required temperature. The high-pressure heater plays a vital role in reducing energy consumption, improving the heat efficiency of the thermal power plant and improving economic benefits, and the safety of the high-pressure heater directly influences the economy and safety of the generator set. However, due to the system design, operation and other reasons, the high-pressure heater generally has a leakage damage phenomenon, and the normal operation of the thermal power plant is seriously influenced by the leakage damage phenomenon. In order to ensure the safety and reliability of the operation of the high-pressure heater, the high-pressure heater sealing element needs to be repaired and maintained regularly. When overhauing the high pressure feed water heater sealing member and maintaining, need dismantle high pressure feed water heater's blind flange, because blind flange volume and weight are all bigger, the maintainer dismantles and wastes time and energy extremely inconvenient, again can't be with the help of large-scale hoisting equipment examining and repairing the scene, consequently need one kind can easy operation, labour saving and time saving's high pressure feed water heater overhauls auxiliary assembly urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high pressure feed water heater overhauls specialized tool to solve the problem that proposes in the above-mentioned background art.
In order to solve the above problem, the utility model adopts the following technical scheme:
the lifting device is fixedly connected with the bottom plate and the support, a cross rod is fixedly arranged at the free end of the lifting device, pulleys are arranged on two sides of the cross rod respectively, a rope is wound on the pulleys, one end of the rope is fixedly connected with the support, a sliding block is connected to the other end of the rope, the sliding block is connected with a support sliding rail, a cross beam is transversely arranged on the sliding block, and the cross beam is connected with a sliding block shaft sleeve.
According to a further preferred of the above technical scheme, a shaft cylinder is transversely arranged on the sliding block, the shaft cylinder is in welded connection with the sliding block, and reinforcing triangular irons are welded on the upper side and the lower side of the joint of the shaft cylinder and the sliding block respectively.
Preferably, the shaft cylinder is connected with the cross beam shaft sleeve, a slotted hole is formed in the cylindrical surface of the shaft cylinder, a pin hole is formed in the cross beam at a position corresponding to the slotted hole, and at least two pin holes are formed.
Preferably, the lower end of the bottom plate is provided with a universal wheel, and the universal wheel is provided with a locking structure.
Preferably, the support is two groups of I-shaped steel, rolling wheels are symmetrically arranged on the sliding block, and the rolling wheels roll up and down in the I-shaped track grooves of the support.
Preferably, the lifting device is a hydraulic cylinder, a pressure release valve is arranged on the lifting device, and a pressurizing rod is arranged at the bottom of the lifting device.
Preferably, two sides of one end, close to the sliding block, of the cross beam are welded with the stress application rods.
Preferably, the far end of the cross beam is provided with a shaft hole, and a bolt piece is arranged in the shaft hole.
Preferably, the cross beam is made of solid round steel or hollow round steel.
Preferably, tool boxes are arranged on two sides of one end, far away from the lifting device, of the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a high pressure feed water heater overhauls specialized tool, when overhauing high pressure feed water heater, drives the crossbeam through hoisting device to heater blind flange and crossbeam fixed connection and reciprocates, and need not artifical transport blind flange, reduces maintainer's intensity of labour, improves maintenance work efficiency.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
fig. 4 is a schematic view of the top view structure of the present invention.
In the figure: 1. the tool box comprises a bottom plate, 2, a lifting device, 3, pulleys, 4, a support, 5, ropes, 6, a sliding block, 7, a cross beam, 8, a cross rod, 9, universal wheels, 10, a locking structure, 12, rolling wheels, 13, a pressure release valve, 14, a pressure rod, 15, angle iron, 16, a shaft hole, 17, a bolt piece, 18, a shaft barrel, 19, a groove hole, 20, a pin hole, 21, a force adding rod, 22 and a tool box.
Detailed Description
The present invention is further described in detail with reference to the accompanying drawings, and the following embodiments are only used for more clearly illustrating the technical solutions of the present invention, and the changes made by those skilled in the art on the basis of the embodiments of the present invention all belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a high pressure feed water heater overhauls specialized tool, including bottom plate 1, be equipped with on the bottom plate 1 and erect support 4, 4 inboards on the support are equipped with hoisting device 2, hoisting device 2 and bottom plate 1 and support 4 fixed connection, fixed horizontal pole 8 that is equipped with on hoisting device 2's the free end, 8 both sides of horizontal pole respectively are equipped with pulley 3, the wiring is equipped with rope 5 on pulley 3, the one end and the support 4 fixed connection of rope 5, the other end connection of rope 5 is equipped with slider 6, slider 6 with 4 sliding rail connection of support, slider 6 transversely is provided with crossbeam 7, crossbeam 7 with 6 shaft sleeve connection of slider. The embodiment of the utility model provides an in hoisting device 2 with bottom plate 1 with 4 fixed connection of support, hoisting device 2 passes through bolt fixed connection with bottom plate 1, hoisting device 2 with 4 accessible staple bolts fixed connection of support also can be through connected modes such as welding, and hoisting device 2 is through bottom and upper end all fixed connection, can strengthen hoisting device 2 stability in the course of the work. Be equipped with horizontal pole 8 on hoisting device 2's the free end, the both ends of horizontal pole 8 respectively are equipped with fixed pulley 3, the winding is equipped with rope 5 on the fixed pulley 3, the one end of rope 5 is fixed on support 4, the other end of rope 5 is fixed on slider 6, upwards promotes through hoisting device 2, can drive slider 6 upwards promotes through the effect of pulley 3 and rope 5.
Preferably, a shaft cylinder 18 is transversely arranged on the sliding block 6, the shaft cylinder 18 is connected with the sliding block 6 in a welding manner, and reinforcing triangular irons 15 are respectively welded on the upper side and the lower side of the joint of the shaft cylinder 18 and the sliding block 6. The shaft barrel 18 is of a cylindrical structure, the cross beam 7 is of an axial structure, the cross beam 7 is inserted into the shaft barrel 18 and connected in a matched mode, reinforcing triangular iron 15 is welded on the upper side and the lower side of the joint of the shaft barrel 18 and the sliding block 6 respectively, the reinforcing triangular iron 15 is connected with the shaft barrel 18 and the sliding block 6 in a welded mode, and the stability of connection of the shaft barrel 18 and the sliding block 6 is improved.
Preferably, the shaft tube 18 is in shaft sleeve connection with the cross beam 7, a slot 19 is formed on the cylindrical surface of the shaft tube 18, a pin hole 20 is formed in the cross beam 7 at a position corresponding to the slot 19, and at least two pin holes 20 are formed. The cross beam 7 is inserted into the shaft barrel 18, a fixing pin is inserted into the slotted hole 19 and the pin hole 20, when in use, the cross beam 7 is connected with the shaft barrel 18, and the cross beam 7 can rotate in the shaft barrel 18 within a certain angle. At least two pin holes 20 are arranged, and the rotation of the cross beam 7 in a larger angle range can be met. After the use, the crossbeam 7 is taken down from the shaft barrel 18 and is packed up, and the device is convenient to place.
Further preferably, the lower end of the bottom plate 1 is provided with a universal wheel 9, and the universal wheel 9 is provided with a locking structure 10. The 1 lower extreme of bottom plate is equipped with universal wheel 9, universal wheel 9 is equipped with four at least, and through being provided with universal wheel 9, it is convenient the utility model discloses the device removes in the maintenance place the utility model discloses the during operation through locking structure 10, fixes universal wheel 9, places the utility model discloses the device swift current moves in the course of the work.
Preferably, the support 4 is two groups of i-shaped steel, the sliding block 6 is provided with rolling wheels 12, and the rolling wheels 12 roll up and down in the i-shaped grooves of the support 4. The rolling wheels 12 are at least provided with four pairs, the inner side and the outer side of the track grooves of the two groups of I-shaped steel of the bracket 4 are respectively provided with four rolling wheels 12, the I-shaped steel is clamped between the rolling wheels 12 on the inner side and the outer side, the rolling wheels 12 roll in the I-shaped grooves of the bracket 4, and the sliding block 6 can be ensured to do linear motion along the bracket 4 in the up-and-down moving process.
Further preferably, hoisting device 2 can be the electric cylinder, or be the pneumatic cylinder, in the embodiment of the utility model provides an, hoisting device 2 is the pneumatic cylinder, be equipped with relief valve 13 on hoisting device 2, hoisting device 2 bottom is equipped with pressure rod 14. The hydraulic cylinder is wide in application, good in lifting effect, simple in design and low in cost.
Preferably, two sides of one end of the cross beam 7 close to the sliding block 6 are welded with a force application rod 21. Be provided with the plus force pole 21, can be convenient the utility model discloses when the device use needs rotatory crossbeam 7, labour saving and time saving, convenient operation.
Further preferably, the far end of the cross beam 7 is provided with a shaft hole 16, and a bolt piece 17 is arranged in the shaft hole 16. The high pressure heater device covers and is provided with the maintenance hole for hoist, when the high pressure heater overhauls, through bolt spare 17, the hole for hoist on shaft hole 16 and the high pressure heater lid is fixed connection together, makes things convenient for the maintenance operation.
Further preferably, the cross beam 7 is made of solid round steel or hollow round steel.
It is further preferred that tool boxes 22 are provided on both sides of an end of the bottom plate 1 away from the lifting device 2. Keep away from hoisting device 2's one end at bottom plate 1 and be equipped with toolbox 22, toolbox 22 has the effect of counter weight device, can strengthen the utility model discloses the device is at the equilibrium stability in the use, when general high pressure feed water heater overhauls the operation, need use a lot of instruments, and the instrument can be collected and put neatly in the toolbox, avoids overhauing the operation scene in disorder.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. High pressure feed water heater overhauls specialized tool, including bottom plate (1), its characterized in that:
be equipped with on bottom plate (1) and erect support (4), support (4) inboard is equipped with hoisting device (2), hoisting device (2) and bottom plate (1) and support (4) fixed connection, fixed horizontal pole (8) that are equipped with on the free end of hoisting device (2), horizontal pole (8) both sides respectively are equipped with pulley (3), the winding is equipped with rope (5) on pulley (3), the one end and the support (4) fixed connection of rope (5), the other end connection of rope (5) is equipped with slider (6), slider (6) with support (4) sliding rail connection, slider (6) transversely are provided with crossbeam (7), crossbeam (7) with slider (6) shaft sleeve connection.
2. The high pressure heater overhauls specialized tool of claim 1, characterized by:
a shaft barrel (18) is transversely arranged on the sliding block (6), the shaft barrel (18) is in welded connection with the sliding block (6), and reinforcing triangular iron (15) is welded on the upper side and the lower side of the joint of the shaft barrel (18) and the sliding block (6).
3. The high pressure heater overhauls specialized tool of claim 2, characterized in that:
the shaft tube (18) is connected with the cross beam (7) in a shaft sleeve mode, a slotted hole (19) is formed in the cylindrical surface of the shaft tube (18), pin holes (20) are formed in the positions, corresponding to the slotted hole, of the cross beam (7), and at least two pin holes (20) are formed.
4. The high pressure heater overhauls specialized tool of claim 1, characterized by:
the lower end of the bottom plate (1) is provided with a universal wheel (9), and a locking structure (10) is arranged on the universal wheel (9).
5. The high pressure heater overhauls specialized tool of claim 1, characterized by:
the support (4) is two groups of I-shaped steel, rolling wheels (12) are symmetrically arranged on the sliding block (6), and the rolling wheels (12) roll up and down in an I-shaped track groove of the support (4).
6. The high pressure heater overhauls specialized tool of claim 1, characterized by:
the lifting device (2) is a hydraulic cylinder, a pressure release valve (13) is arranged on the lifting device (2), and a pressurizing rod (14) is arranged at the bottom of the lifting device (2).
7. The high pressure heater overhauls specialized tool of claim 1, characterized by:
and two sides of one end of the cross beam (7) close to the sliding block (6) are welded with a stressing rod (21).
8. The high pressure heater overhauls specialized tool of claim 1, characterized by:
the remote end of the beam (7) is provided with a shaft hole (16), and a bolt piece (17) is arranged in the shaft hole (16).
9. The high pressure heater overhauls specialized tool of claim 1, characterized by:
the cross beam (7) is made of solid round steel or hollow round steel.
10. The high pressure heater overhauls specialized tool of claim 1, characterized by:
tool boxes (22) are arranged on two sides of one end, far away from the lifting device (2), of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506433.6U CN215287866U (en) | 2021-07-02 | 2021-07-02 | Special tool for overhauling high-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506433.6U CN215287866U (en) | 2021-07-02 | 2021-07-02 | Special tool for overhauling high-pressure heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215287866U true CN215287866U (en) | 2021-12-24 |
Family
ID=79520432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121506433.6U Active CN215287866U (en) | 2021-07-02 | 2021-07-02 | Special tool for overhauling high-pressure heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215287866U (en) |
-
2021
- 2021-07-02 CN CN202121506433.6U patent/CN215287866U/en active Active
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