CN209095453U - Hanging screw rod tube bundle extracting machine under one kind is novel - Google Patents
Hanging screw rod tube bundle extracting machine under one kind is novel Download PDFInfo
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- CN209095453U CN209095453U CN201821495185.8U CN201821495185U CN209095453U CN 209095453 U CN209095453 U CN 209095453U CN 201821495185 U CN201821495185 U CN 201821495185U CN 209095453 U CN209095453 U CN 209095453U
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- screw rod
- big
- tube bundle
- extracting machine
- motor
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Abstract
The utility model discloses it is a kind of it is novel under hanging screw rod tube bundle extracting machine, including motor, speed reducer, rack, active trolley, driven trolley and I-steel girder, the motor, speed reducer, with I-steel girder be respectively provided with in the rack, the output shaft of the motor is connect with the input shaft of the speed reducer by cross coupler, the output shaft of the speed reducer is fixedly connected with big screw rod by shaft coupling, the surface of the big screw rod is threaded with big nut, wire rope fixing device is fixedly connected at the top and bottom of the big nut two sides, the utility model relates to tube bundle extracting machine technical fields.The spiral device for drawing and installing pipes is that biggish pumping dress pulling force is generated using worm drive, pumping dress suitable for the tube bank of large and medium-sized cold exchange device, the practicality is stronger, compared with the tube bundle extracting machine of existing other forms with structure simple, work safety, stabilization, reliable, work efficiency is high, and the labor intensity of worker greatly mitigates, conducive to being widely popularized.
Description
Technical field
The utility model relates to tube bundle extracting machine technical field, specially it is a kind of it is novel under hanging screw rod tube bundle extracting machine.
Background technique
Cold exchange device is widely used in the industries such as petroleum, chemical industry, electric power, its maintenance accounts for amount of work in turnaround of unit
20 or more percent, the current tube bank for using tube bundle extracting machine pumping and charging cold exchanger, the production technology for the backwardness of changing over mentions significantly
High labor productivity, alleviates the labor intensity of worker, has won valuable time for general overhaul.
The common tube bundle extracting machine of existing maintenance heat exchanger has steel wire rope type tube bundle extracting machine, support type screw rod tube bundle extracting machine, support type liquid
Tube bundle extracting machine, these types of tube bundle extracting machine degree Shortcomings place are pressed, steel wire rope type tube bundle extracting machine is the drawing caused by it using friction transmission
Power is smaller, can not take out the tube bank of large-scale cold exchange device, and the practicality is lower, when support type screw rod tube bundle extracting machine is run big screw rod by
To very big Moment, it is easy to produce bending deformation, while its outer dimension is larger, is not convenient to use, support type is hydraulic
Tube bundle extracting machine outer dimension is larger, and hydraulic system fault is more, and equipment purchasing price is more expensive.
Utility model content
The utility model provide it is a kind of it is novel under hanging screw rod tube bundle extracting machine, can be well solved other tube bundle extracting machines not
Foot, can preferably meet user's needs.
In order to achieve the above object, the utility model is achieved by the following technical programs: hanging screw rod under one kind is novel
Tube bundle extracting machine, including motor, speed reducer, rack, active trolley, driven trolley and I-steel girder, the motor, speed reducer and
I-steel girder is respectively provided with in the rack, and the input shaft of the output shaft of the motor and the speed reducer is by cross coupler
Connection, the output shaft of the speed reducer are fixedly connected with big screw rod by shaft coupling, and the surface of the big screw rod is threaded with
There are wirerope, the wirerope in big nut, the top and bottom of the big nut two sides by wire rope fixing device bolt
Both ends setting there are two fixed pulley, two fixed pulleys are in same level.
Further, the left end of the big screw rod is provided with single-row tapered roller bearing, and the right side of the big screw rod is from a left side
Thrust bearing and sliding bearing are respectively arranged with to the right side.
Further, the big nut is in "-" type, and the inside of the big nut offers and is used cooperatively with big screw rod
Threaded hole.
Further, the two sides of the big nut offer bayonet, and the bayonet is adapted to the I-steel girder, use
In the motion mode for limiting big nut.
Further, the adjustment device being used cooperatively with wirerope, the steel wire are fixedly connected on the active trolley
Rope adjustment device is fixedly connected with the wirerope, and the two sides on the active trolley and driven trolley surface are fixedly installed with thousand
Jin pushes up and walks wheel, and one end of the jack is fixedly connected with winch.
Further, the motor is three-phase asynchronous Ac motor, and the motor is electrical by power supply line and extraneous power supply
Connection.
Compared with prior art, the utility model has the beneficial effects that
The spiral device for drawing and installing pipes passes through motor, speed reducer, big screw rod, big nut, wire rope fixing device, wirerope, steel
Cord adjustment device and fixed pulley are used cooperatively, and can generate biggish pulling force, suitable for big small-sized cold exchange device tube bank
Dress is taken out, the practicality is stronger, compared to the repair time of existing wirerope tube bundle extracting machine, only needs the maintenance of existing wirerope tube bundle extracting machine
The a quarter of time, improves work efficiency, and the labor intensity of worker greatly mitigates, and conducive to being widely popularized, passes through
The setting of single-row tapered roller bearing, thrust bearing and sliding bearing, when moving downward big nut the left end of big nut from
By, the right end of screw rod is free when big nut moves right, so power suffered by big nut is all the effect of tensile stress, is mentioned
The high bearing capacity of spiral shell big nut, it is ensured that unstable failure will not occur for screw rod.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the structural schematic diagram of the utility model active trolley;
Fig. 3 is the structural schematic diagram of the big screw rod of the utility model;
Fig. 4 is the structural schematic diagram of the utility model winch;
Fig. 5 is the structural schematic diagram of the utility model big nut.
In figure: 1- motor, 2- speed reducer, 3- rack, the big screw rod of 4-, 5- big nut, 6- I-steel girder, 7- wirerope,
8- active trolley, 9- wire rope adjustor, 10- fixed pulley, 11- single-row tapered roller bearing, 12- thrust bearing, 13- sliding
Bearing, 14- driven trolley, 15- bayonet, 16- winch, 17- jack, 18- walk wheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: hanging screw rod tube bundle extracting machine under one kind is novel, including
Motor 1, speed reducer 2, rack 3, active trolley 8, driven trolley 14 and I-steel girder 6, the motor 1, speed reducer 2 and work
Word steel girder 6 is respectively provided with in the rack 3, is provided with lifting lug in rack 3, for slinging rack 3, the output of the motor 1
Axis is connect with the input shaft of the speed reducer 2 by cross coupler, and the external world is provided with the contactor of control 1 positive and negative rotation of motor, mistake
Over-voltage protection element, operation limit switch and emergency shutdown equipment etc. are flowed, the output shaft of speed reducer 2 connects by the way that shaft coupling 3 is fixed
It is connected to big screw rod 4, the surface of big screw rod 4 is threaded with big nut 5, and the top and bottom of 5 two sides of big nut pass through steel wire
Fixed device bolt of restricting has wirerope 7, and two fixed pulleys 10 are respectively filled in two end carriages of rack, and four fixed pulleys 10 are in same
In horizontal plane, active trolley 8 and 14 groups of driven trolley become load carrier, are set on I-steel girder 6, for carrying adjustment
Its movement is restrained and drives, the left end of big nut 4 is provided with single-row tapered roller bearing 11, and the right side of big nut 4 is from left to right
It is respectively arranged with thrust bearing 12 and sliding bearing 13, passes through single-row tapered roller bearing 11, thrust bearing 12 and sliding bearing
13 settings, the left end of big nut 4 is free when moving downward big nut 4, and the right end of screw rod is when big nut 4 moves right
Freely, so power suffered by big nut 4 is all the effect of tensile stress, the bearing capacity of spiral shell big nut 4 is improved, it is ensured that screw rod
Unstable failure will not occur, big nut 5 is in "-" type, and the inside of big nut 5 offers the screw thread being used cooperatively with big screw rod 4
Hole, the two sides of big nut 5 offer bayonet 15, and bayonet 15 is used to limit the motion mode of big nut 5, and bayonet 15 is by big nut
5 are stuck in the fashioned iron on the inside of girder, so that big nut 5 is done straight reciprocating motion on the formed track of rack always and do not occur to turn
Dynamic, the then effect of big 4 tension stress of screw rod symmetrically fixes wirerope at the both ends of nut 5 without silk Bo Moment
7, then the direction of wirerope 7 is changed to draw the active trolley in load carrier by fixed pulley 10, the power of cored is taken out in this way
On the axis for acting against big screw rod 4, big screw rod 4 is also just not likely to produce bending, active trolley 8 just not by the effect of moment of flexure
It is upper to offer preceding hyoplastron hole and rear hyoplastron hole respectively, it is fixedly connected with the adjustment being used cooperatively with wirerope 7 on active trolley 8 and fills
Set 9, wire rope adjustor 9 is fixedly connected with wirerope 7, be provided with binding suspender belt in driven trolley 14, active trolley 8 and from
The two sides on dynamic 14 surface of trolley are fixedly installed with jack 17 and walk wheel 18, actively attenuate vehicle 8 and are provided with hyoplastron, jack 17
One end be fixedly connected with winch 16, jack 17 and winch 16 are used for Fixed Tube-sheet Reboiler, and adjust its height, and motor 1 is three-phase
Asynchronous AC motor, motor 1 are electrically connected by power supply line and extraneous power supply.
When work, tube bundle extracting machine is hung on the heat exchanger that need to be overhauled, and core pulling chain-drive section is stuck in the method for heat exchanger shell
Lan Shang wears two bolts and tube bundle extracting machine and heat exchanger connects together, ties tube bank with wirerope 7, then be connected in tube bundle extracting machine actively it is small
On the hyoplastron of vehicle 8,0. 5 meters or so of tube bank of the starting extraction of motor 1, (can also use other methods, eject one section of tube bank) will
Active trolley 8 reaches foremost position, hyoplastron is inserted into the preceding hyoplastron hole of active trolley 8, and be stuck in outer cover of heat exchanger flange
Between tube sheet, start 1 core pulling of motor, will be shut down after 1 point 5 meter of tube bank extraction, take out hyoplastron, then active trolley 8 is retracted
1 point 2 meter, after hyoplastron is inserted into hyoplastron hole, the binding suspender belt on active trolley 8 is put down, tube bank and active trolley are bundled
Together, and height is adjusted, goes through fixation and wants firm, starting motor continues core pulling, shuts down, puts after tube bank hauls out five meters
Tube bank is bundled with driven trolley 14, and adjusts height by the binding suspender belt in lower driven trolley 14, is checked to fix and is wanted jail
It leans on, restarts motor 1 and extract whole tube bank out, continue to move to active trolley 14, tube bank is adjusted to suitable position, it is ensured that core pulling
The balance of machine and tube bank closes motor 1 and cuts off the power, dismantles the connection bolt of tube bundle extracting machine Yu outer cover of heat exchanger flange, hang lower pumping
Core machine and tube bank, when tubulature beam, tube bank enters before shell the height that adjust tube bank, it is ensured that centering and is taken out at other operating procedures
Tube bank is opposite.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. it is a kind of it is novel under hanging screw rod tube bundle extracting machine, including it is motor (1), speed reducer (2), rack (3), active trolley (8), driven
Trolley (14) and I-steel girder (6), it is characterised in that: the motor (1), speed reducer (2) and I-steel girder (6) are all provided with
It sets on the rack (3), the output shaft of the motor (1) is connect with the input shaft of the speed reducer (2) by cross coupler,
The output shaft of the speed reducer (2) is fixedly connected with big screw rod (4) by shaft coupling, and the surface screw thread of the big screw rod (4) connects
It is connected to big nut (5), there are wirerope in the top and bottom of big nut (5) two sides by wire rope fixing device bolt
(7), there are two fixed pulley (10), two fixed pulleys (10) are in same level for the both ends setting of the wirerope (7)
In.
Hanging screw rod tube bundle extracting machine under 2. one kind according to claim 1 is novel, it is characterised in that: the big screw rod (4)
Left end is provided with single-row tapered roller bearing (11), and the right side of the big screw rod (4) is respectively arranged with thrust bearing from left to right
(12) and sliding bearing (13).
Hanging screw rod tube bundle extracting machine under 3. one kind according to claim 1 is novel, it is characterised in that: the big nut (5) is in
"-" type, and the inside of the big nut (5) offers the threaded hole being used cooperatively with big screw rod (4).
Hanging screw rod tube bundle extracting machine under 4. one kind according to claim 1 is novel, it is characterised in that: the big nut (5)
Two sides offer bayonet (15), and the bayonet (15) is adapted to the I-steel girder (6), for limiting big nut (5)
Motion mode.
Hanging screw rod tube bundle extracting machine under 5. one kind according to claim 1 is novel, it is characterised in that: the active trolley (8)
On be fixedly connected with the adjustment device (9) being used cooperatively with wirerope (7), the wire rope adjustor (9) and the steel wire
Rope (7) be fixedly connected, the two sides on the active trolley (8) and driven trolley (14) surface be fixedly installed with jack (17) and
Wheel (18) is walked, one end of the jack (17) is fixedly connected with winch (16).
Hanging screw rod tube bundle extracting machine under 6. one kind according to claim 1 is novel, it is characterised in that: the motor (1) is three
Phase asynchronous AC motor, the motor (1) are electrically connected by power supply line and extraneous power supply.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821495185.8U CN209095453U (en) | 2018-09-11 | 2018-09-11 | Hanging screw rod tube bundle extracting machine under one kind is novel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821495185.8U CN209095453U (en) | 2018-09-11 | 2018-09-11 | Hanging screw rod tube bundle extracting machine under one kind is novel |
Publications (1)
Publication Number | Publication Date |
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CN209095453U true CN209095453U (en) | 2019-07-12 |
Family
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CN201821495185.8U Expired - Fee Related CN209095453U (en) | 2018-09-11 | 2018-09-11 | Hanging screw rod tube bundle extracting machine under one kind is novel |
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CN (1) | CN209095453U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109262530A (en) * | 2018-09-11 | 2019-01-25 | 岳阳长岭炼化通达建筑安装工程有限公司 | Hanging screw rod tube bundle extracting machine under one kind is novel |
-
2018
- 2018-09-11 CN CN201821495185.8U patent/CN209095453U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109262530A (en) * | 2018-09-11 | 2019-01-25 | 岳阳长岭炼化通达建筑安装工程有限公司 | Hanging screw rod tube bundle extracting machine under one kind is novel |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20200911 |
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CF01 | Termination of patent right due to non-payment of annual fee |