CN214298977U

CN214298977U - Special tool for overhauling and disassembling large boiler feed pump

Info

Publication number: CN214298977U
Application number: CN202022304647.7U
Authority: CN
Inventors: 冯旗兵; 张冰; 吴建国
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-09-28
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of maintenance auxiliary tools, in particular to a special tool for overhauling and disassembling a large boiler feed pump, which is provided with a connecting base, a supporting rod is arranged on the connecting base, the lower end of the supporting rod is provided with external threads, the supporting rod is connected with a threaded hole arranged on the connecting base through the external threads at the lower end of the supporting rod, the upper end part of the supporting rod is provided with an outer convex upper annular boss, a transverse rod is sleeved on the supporting rod above the upper annular boss, the end part of the transverse rod is provided with a round hole, the transverse rod is sleeved on the supporting rod through the round hole, an upper connecting lug is arranged below the transverse rod, a rotating ring is sleeved on the supporting rod, a side connecting lug is arranged on the side surface of the rotating ring, an inclined strut rod is arranged between the side connecting lug and the upper connecting lug, the two ends of the inclined strut rod are respectively hinged with the side connecting lug and the upper connecting lug, the transverse rod is sleeved with a sliding sleeve sliding along the transverse rod, the lower part of the sliding sleeve is connected with the hook, and the hook has the advantages of simple structure, convenient use, convenient storage, no occupation of space, time saving, labor saving and the like.

Description

Special tool for overhauling and disassembling large boiler feed pump

Technical Field

The utility model belongs to the technical field of the appurtenance technique of maintenance and specifically relates to a simple structure, use convenient, accomodate the convenience, do not account for space, labour saving and time saving's large-scale boiler feed pump and overhaul dismantlement specialized tool.

Background

As is known, when a large boiler feed pump overhauls and dismantles a bearing seat, a coupler and a diaphragm short knot, a working site is narrow, and a plurality of cables, oil pipelines and sealed water pipelines are arranged around the working site and can only be dismantled by two persons.

Because the disassembled parts are heavy, there is a great risk of personal injury and equipment damage. 3. Originally when overhauing or salvageing, need 6-8 people at least, non-drive end dismouting need set up interim lifting scaffold frame, drive end dismouting need demolish little locomotive clothing and use large-scale line to hang the cooperation and use, not only take time, hard, have the risk of personal injury and equipment damage moreover.

Disclosure of Invention

The utility model aims at solving the deficiencies of the prior art, providing a simple structure, convenient to use, accomodate the convenience, do not account for space, labour saving and time saving's large-scale boiler feed pump and overhaul dismantlement specialized tool.

The utility model provides a technical scheme that its technical problem adopted is:

a special tool for overhauling and disassembling a water feeding pump of a large boiler is provided with a connecting base, a supporting rod is arranged on the connecting base, external threads are arranged at the lower end of the supporting rod, the supporting rod is connected with a threaded hole arranged on the connecting base through the external threads at the lower end of the supporting rod, an upper convex annular boss is arranged at the upper end of the supporting rod, a transverse rod is sleeved on the supporting rod above the upper annular boss, a round hole which is penetrated by the supporting rod and has an inner diameter smaller than the outer diameter of the upper annular boss is arranged at the end part of the transverse rod, the transverse rod is sleeved on the supporting rod through the round hole, an upper connecting lug is arranged below the transverse rod, a rotating ring is sleeved on the supporting rod, a side connecting lug is arranged on the side surface of the rotating ring, an inclined support rod is arranged between the side connecting lug and the upper connecting lug, two ends of the inclined support rod are respectively hinged with the side connecting lug and the upper connecting lug, a sliding sleeve sliding along the transverse rod is sleeved on the transverse rod, a hook is arranged below the sliding sleeve, the lifting is realized by connecting the hook with the hoist.

The transverse bar establish to square pole, sliding sleeve on the square pole establishes to the n type, is equipped with the connecting rod between the riser upper end of the sliding sleeve of n type, goes up the both ends of connecting rod and is connected with the riser respectively, goes up the cover on the connecting rod and has the roller sleeve, the lower tip intermediate position is equipped with down the connecting rod under the riser of the sliding sleeve of n type, the both ends of lower connecting rod are connected with the riser respectively, the cover has the couple on the connecting rod down, the upper end face of roller sleeve and square pipe contacts the slip on going up.

Connect the base establish to square or n type, square connection base middle part is equipped with the screw hole and is connected with the bracing piece, the horizontal pole middle part of the connection base of n type is equipped with the screw hole and is connected with the bracing piece, the montant lower extreme of n type connection base is equipped with the connecting seat, is equipped with the locating hole on connecting base and the connecting seat respectively, is equipped with positioning bolt in the locating hole, connect base and connecting seat respectively through connecting bolt connection on the box of equipment.

The lower tip of bracing piece be equipped with the lower annular boss of evagination, the external diameter of lower annular boss is greater than the internal diameter of swivel becket, prevents that the swivel becket from droing, makes transverse bar, bracing piece and diagonal brace dismantle back as an organic whole, avoids droing the loss.

The external screw thread top of the lower tip of bracing piece be equipped with deep floor, deep floor supports between bracing piece and connection base, increases the support intensity of bracing piece.

The up end of bracing piece be equipped with the block, the lower terminal surface of block is equipped with the screw thread boss, the block is connected with the screw hole of bracing piece up end through the screw thread boss, the diameter of block is greater than the diameter of transverse bar tip round hole, prevents the transverse bar perk.

The transverse bar on keep away from the tip top of round hole and be equipped with the baffle, the baffle is connected with the transverse bar is perpendicular, prevents that the sliding sleeve from droing.

The utility model discloses owing to adopt above-mentioned structure, have simple structure, use convenient, accomodate convenient, do not account for advantages such as space, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural view of the connection base of the present invention being square.

Fig. 2 is a schematic structural view of the connection base of the present invention being n-shaped.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawings, the special tool for overhauling and disassembling the water-feeding pump of the large boiler is provided with a connecting base 1, a supporting rod 2 is arranged on the connecting base 1, external threads are arranged at the lower end of the supporting rod 2, the supporting rod 2 is connected with a threaded hole arranged on the connecting base 1 through the external threads at the lower end of the supporting rod 2, an upper convex annular boss 3 is arranged at the upper end part of the supporting rod 2, a transverse rod 4 is sleeved on the supporting rod 2 above the upper annular boss 3, a round hole which is penetrated by the supporting rod 2 and has an inner diameter smaller than the outer diameter of the upper annular boss 3 is arranged at the end part of the transverse rod 4, an upper connecting lug 5 is arranged below the transverse rod 4, a rotating ring 6 is sleeved on the supporting rod 2, a side connecting lug 7 is arranged on the side surface of the rotating ring 6, an inclined supporting rod 8 is arranged between the side connecting lug 7 and the upper connecting lug 5, two ends of the inclined supporting rod 8 are respectively hinged with the side connecting lug 7 and the upper connecting lug 5, the transverse rod 4 is sleeved with a sliding sleeve 9 which slides along the transverse rod 4, the lower part of the sliding sleeve 9 is connected with a hook 16, and the hook 16 is connected with a hoist to realize hoisting.

Further, the transverse rod 4 establish to square pole, sliding sleeve 9 on the square pole establishes to the n type, is equipped with connecting rod 10 between the riser upper end of the sliding sleeve 9 of n type, the both ends of going up connecting rod 10 are connected with the riser respectively, it has last roller sleeve to go up the cover on the connecting rod 10, the tip intermediate position is equipped with lower connecting rod 11 under the riser of the sliding sleeve 9 of n type, the both ends of lower connecting rod 11 are connected with the riser respectively, the cover has couple 16 on the lower connecting rod 11, go up the roller sleeve and slide with the up end contact of square pipe.

Further, connect base 1 establish to square or n type, square 1 middle part of connecting base is equipped with the screw hole and is connected with bracing piece 2, the horizontal pole middle part of the connection base 1 of n type is equipped with the screw hole and is connected with bracing piece 2, the montant lower extreme of base 1 is connected to n type is equipped with connecting seat 12, is equipped with the locating hole on connecting base 1 and the connecting seat 12 respectively, is equipped with positioning bolt in the locating hole, connect base 1 and connecting seat 12 respectively through connecting bolt connection on the box of equipment.

Furthermore, the lower end part of the support rod 2 is provided with a lower convex annular boss, the outer diameter of the lower upper annular boss 3 is larger than the inner diameter of the rotating ring 6, so that the rotating ring 6 is prevented from falling off, the transverse rod 4, the support rod 2 and the inclined strut 8 are integrated after being disassembled, and the falling off and the loss are avoided.

Furthermore, a reinforcing rib plate 13 is arranged above the external thread at the lower end part of the support rod 2, and the reinforcing rib plate 13 is supported between the support rod 2 and the connecting base 1, so that the supporting strength of the support rod 2 is improved.

Further, the up end of bracing piece 2 be equipped with block 14, the lower terminal surface of block 14 is equipped with the screw thread boss, block 14 is connected with the screw hole of bracing piece 2 up end through the screw thread boss, the diameter of block 14 is greater than the diameter of 4 tip round holes of transverse bar, prevents the perk of transverse bar 4.

Further, the transverse rod 4 on keep away from the tip top of round hole and be equipped with baffle 15, baffle 15 is connected with transverse rod 4 is perpendicular, prevents that the sliding sleeve 9 from droing.

The n-shaped connecting base 1 can be designed into a detachable structure of a transverse rod and a vertical rod, and is convenient to store, the sum of the height of the upper baffle 15 of the transverse rod 4 and the height of the transverse rod 4 is smaller than the distance between the upper rolling sleeve and the lower connecting rod 11 in the sliding sleeve 9, so that the sliding way can be detached through the baffle 15, and the lower annular boss can be replaced by the reinforcing rib plate 13.

The utility model discloses when using, at first assemble this dismantlement specialized tool, after the equipment is accomplished, will connect base 1 through positioning bolt and connect on the equipment that needs hoist and mount, select n type connection base 1 or square connection base 1 according to the environment of hoist and mount, because the dismouting position generally all is in specific position, therefore, predetermine the screw hole on the box of the equipment at dismouting position, can conveniently connect the installation of base 1, after installing connection base 1, just can hoist the equipment of dismantlement through connecting the hoist on the couple 16, because sliding sleeve 9 slides on transverse bar 4, consequently can adjust sliding sleeve 9 to required position, because transverse bar 4 can rotate along bracing piece 2, consequently can drive sliding sleeve 9 and rotate to required position, and then lift by crane to the specific position, especially because this bracing piece 2, connect base 1, it is connected to the bracing piece 2, The rotating ring 6, sliding sleeve 9 can be dismantled, so can dismantle after the practical completion and accomodate, occupation space is little, the dismantlement mode is to connecting base 1 lift off, separate earlier between connecting base 1 and bracing piece 2, bracing piece 2 moves down for rotating ring 6 after the separation, make 2 upper ends of bracing piece break away from transverse bar 4, because transverse bar 4 and diagonal brace 8, articulated each other between bracing piece 2 and the diagonal brace 8, consequently the three can close to the pole of three parallel, occupation space is little, lost part has also been avoided, the utility model discloses owing to adopt above-mentioned structure, have simple structure, it is convenient to use, accomodate conveniently, do not account for space, advantages such as labour saving and time saving.

Claims

1. A special tool for overhauling and disassembling a large boiler feed pump is provided with a connecting base and is characterized in that a supporting rod is arranged on the connecting base, external threads are arranged at the lower end of the supporting rod, the supporting rod is connected with a threaded hole arranged on the connecting base through the external threads at the lower end of the supporting rod, an upper convex annular boss is arranged at the upper end of the supporting rod, a transverse rod is sleeved on the supporting rod above the upper annular boss, a round hole is arranged at the end part of the transverse rod and used for the supporting rod to pass through, the inner diameter of the round hole is smaller than the outer diameter of the upper annular boss, the transverse rod is sleeved on the supporting rod through the round hole, an upper connecting lug is arranged below the transverse rod, a rotating ring is sleeved on the supporting rod, a side connecting lug is arranged on the side surface of the rotating ring, an inclined support rod is arranged between the side connecting lug and the upper connecting lug, two ends of the inclined support rod are respectively hinged with the side connecting lug and the upper connecting lug, a sliding sleeve sliding along the transverse rod is sleeved on the transverse rod, the lower part of the sliding sleeve is connected with the hook, and the lifting is realized by connecting the hook with the hoist.

2. The special tool for overhauling and disassembling the water-feeding pump of the large boiler according to claim 1, wherein the transverse rod is a square rod, the sliding sleeve on the square rod is n-shaped, the upper connecting rod is arranged between the upper ends of the vertical plates of the n-shaped sliding sleeve, the two ends of the upper connecting rod are respectively connected with the vertical plates, the upper connecting rod is sleeved with an upper rolling sleeve, the lower connecting rod is arranged in the middle of the lower end of the vertical plate of the n-shaped sliding sleeve, the two ends of the lower connecting rod are respectively connected with the vertical plates, the lower connecting rod is sleeved with a hook, and the upper rolling sleeve slides in contact with the upper end face of the square tube.

3. The tool as claimed in claim 1, wherein the connection base is square or n-shaped, the middle of the square connection base is provided with a threaded hole for connecting with the support rod, the middle of the cross bar of the n-shaped connection base is provided with a threaded hole for connecting with the support rod, the lower end of the vertical bar of the n-shaped connection base is provided with a connection seat, the connection base and the connection seat are respectively provided with a positioning hole, a positioning bolt is arranged in the positioning hole, and the connection base and the connection seat are respectively connected to the box body of the device through the connection bolt.

4. The special tool for overhauling and disassembling the large boiler feed pump according to claim 1, wherein the lower end part of the supporting rod is provided with a lower convex annular boss, and the outer diameter of the lower annular boss is larger than the inner diameter of the rotating ring.

5. The special tool for overhauling and disassembling the large boiler feed pump according to claim 1, wherein a reinforcing rib plate is arranged above the external thread at the lower end part of the supporting rod, and the reinforcing rib plate is supported between the supporting rod and the connecting base.

6. The special tool for overhauling and disassembling the water-feeding pump of the large boiler according to claim 1, wherein a cap is arranged on the upper end surface of the supporting rod, a threaded boss is arranged on the lower end surface of the cap, the cap is connected with a threaded hole on the upper end surface of the supporting rod through the threaded boss, and the diameter of the cap is larger than that of a round hole at the end part of the transverse rod.

7. The special tool for overhauling and disassembling the large boiler feed pump according to claim 1, wherein a baffle is arranged above the end part of the transverse rod far away from the round hole, and the baffle is vertically connected with the transverse rod.