CN202228433U - Hydraulic impeller loading/unloading tool used for locomotive fan - Google Patents

Hydraulic impeller loading/unloading tool used for locomotive fan Download PDF

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Publication number
CN202228433U
CN202228433U CN2011203453039U CN201120345303U CN202228433U CN 202228433 U CN202228433 U CN 202228433U CN 2011203453039 U CN2011203453039 U CN 2011203453039U CN 201120345303 U CN201120345303 U CN 201120345303U CN 202228433 U CN202228433 U CN 202228433U
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CN
China
Prior art keywords
impeller
joint sleeve
hydraulic jack
tool
quick release
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Active
Application number
CN2011203453039U
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Chinese (zh)
Inventor
毛海福
万良田
言健寰
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Zhuzhou Lince Group Co Ltd
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Zhuzhou Lince Group Co Ltd
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Priority to CN2011203453039U priority Critical patent/CN202228433U/en
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Publication of CN202228433U publication Critical patent/CN202228433U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a hydraulic impeller loading/unloading tool used for a locomotive fan. The loading/unloading tool comprises two parts, namely an impeller assembling device and an impeller disassembling device, wherein the impeller assembling device is composed of a long bolt connector, a pressing sleeve, an oil cylinder, a baffle, a nut and a quick-change connector; the impeller disassembling device is composed of an ejector rod, an impeller connecting sleeve, a middle connecting sleeve, an oil cylinder connecting sleeve, an oil cylinder, a quick-change connector and an inner screw; the tool is light and is free from the limitation of a working space, and avoids two-step operation of press fitting and then carrying away; the tool is convenient to use, and the defect of single function is solved; and the assembling and disassembling operations are simple, one person can operate the tool without the cooperation with a crown block, no positioning problem is caused, the press fitting quality is high, the disassembling positioning is exact, an impeller can be pulled out rapidly, and the operating efficiency is high. The tool provided by the utility model is suitable for various fans of the type of motor-impeller direct connection transmission, the connecting surface of the impeller and a rotating shaft can be a cylindrical face or a circular conical surface, and the tool is also applied to a product of a connection type of shaft-hub interference or transition fit.

Description

A kind of locomotive blower fan is with hydraulic type impeller loading and unloading frock
Technical field
The utility model relates to a kind of locomotive blower fan with hydraulic type impeller loading and unloading frock.
Background technique
Because of railway development is rapid, the expansion of locomotive blower fan output is very fast, but because production site and haulage device are limited; Satisfied not production requirement; In the loading and unloading of locomotive draught fan impeller, there is pressing machine and, needs overhead traveling crane to cooperate, simultaneously by the problem of piece installing location; Existing frock: receive the restriction of work-yard, exist each parts to be collected to the problem of transporting these two step operations after pressing machine press-fits with completion again; Use inconveniently, press-fit and have the shortcoming of function singleness, cargo handling process complicated operation and cumbersome with horizontal pressing machine as vertical.
Summary of the invention
The purpose of the utility model is to overcome the problem of above-mentioned existence, provide a kind of simple in structure, welding loading and unloading simple and easy quick, reduce labor intensity, locomotive blower fan that operating efficiency is high loads and unloads frock with the hydraulic type impeller.
The technological scheme of the utility model: a kind of locomotive blower fan is with hydraulic type impeller loading and unloading frock, and characteristic is that this hydraulic type impeller loading and unloading frock comprises hydraulic type impeller sets assembling device and hydraulic type impeller disassembling device two-part.
Described hydraulic type impeller sets assembling device comprises gland, hollow hydraulic jack, baffle plate, nut and the quick release coupling of long bolt connecting head, band center hole; Its long bolt connecting head and gland suit; Be that the head of long bolt connecting head is positioned at gland and is connected with rotating shaft on the workpiece impeller; The center hole that gland passes in the bar portion of long bolt connecting head is connected with hollow hydraulic jack, baffle plate and nut successively; Described quick release coupling is arranged on the hollow hydraulic jack, and this hollow hydraulic jack (5) is external to oil hydraulic pump through quick release coupling (8);
Described hydraulic type impeller disassembling device comprises push rod, band center hole impeller joint sleeve, middle joint sleeve, oil cylinder joint sleeve, hollow hydraulic jack, quick release coupling and hexagon socket cap head screw; Its impeller joint sleeve and oil cylinder joint sleeve constitute an overall structure through middle joint sleeve; This impeller joint sleeve is fixed on the workpiece impeller end face through hexagon socket cap head screw; Push rod one end extend in the center hole of impeller joint sleeve and with the workpiece impeller on the rotating shaft concentric; The other end is connected with the hollow hydraulic jack, and described quick release coupling is arranged on the hollow hydraulic jack, and this hollow hydraulic jack is external to oil hydraulic pump through quick release coupling.
Hydraulic pressure (power) part of described hydraulic type impeller sets assembling device is that this hollow hydraulic jack is external to oil hydraulic pump through quick release coupling.
The impeller building block principle is: after impeller, gland, long bolt connecting head, baffle plate and nut were connected into an integral body, the elongation of hydraulic jack can make gland and impeller move right, thereby accomplished the installation of impeller and rotating shaft.
The hydraulic pressure of hydraulic type impeller disassembling device (power) part is that the hollow hydraulic jack is external to oil hydraulic pump through quick release coupling; The impeller demolition principle is: after joint sleeve, oil cylinder joint sleeve and hollow hydraulic jack are connected into an integral body between impeller, impeller joint sleeve, leaf; The elongation of hydraulic jack can make relative this integral body with rotating shaft of push rod move to right, thereby accomplishes separating of impeller and rotating shaft.
The utility model has following advantage: installation weight is light, does not receive the restriction of work-yard, transports this two step operation after pressing machine and completion press-fit again thereby avoided each parts to be collected to; Easy to use, vertical horizontal product all can use, solved vertical press-fit and with the shortcoming of horizontal pressing machine function singleness; Assembling, unloading process is simple to operate, and the single impeller that can finish is installed, and need not overhead traveling crane and cooperates, and do not have pressing machine and by the problem of piece installing location; Press-fit quality and improve greatly, press-fit the process shaft only connecting near the position stressed, eliminate the hidden danger of rotating shaft press-bending; The interference fit joint bigger to slenderness ratio can significantly improve the vibration class of product; But visual control cone axis quality of fit grade; Device accurate positioning during impeller demolition, unloading process is several bolt strained even, and impeller is extracted fast, and operating efficiency is high.The utility model is applicable to the various blower fans of motor and the transmission of impeller direct connection, and the conjunction plane of impeller and rotating shaft can be the cylndrical surface, also can be conical surface, and the product that similar axle connects with interference of wheel hub class or transition fit also is suitable for.
Description of drawings
Fig. 1 is a hydraulic type impeller sets assembling device working state structure schematic representation;
Fig. 2 is a hydraulic type impeller disassembling device working state structure schematic representation;
Among the figure: 1, workpiece impeller, 2, rotating shaft, 3, the long bolt connecting head, 4, gland; 5, hollow hydraulic jack, 6, baffle plate, 7, nut, 8, quick release coupling, 11, push rod; 12, impeller joint sleeve, 13, middle joint sleeve, 14, the oil cylinder joint sleeve; 15, hollow hydraulic jack, 16, quick release coupling, 17, hexagon socket cap head screw.
Embodiment
Referring to above-mentioned accompanying drawing, a kind of locomotive blower fan is with hydraulic type impeller loading and unloading frock, and characteristic is that hydraulic type impeller loading and unloading frock comprises hydraulic type impeller sets assembling device and hydraulic type impeller disassembling device two-part.
Hydraulic type impeller sets assembling device comprises gland 4, hollow hydraulic jack 5, baffle plate 6, nut 7 and the quick release coupling 8 of long bolt connecting head 3, band center hole; Its long bolt connecting head 3 and gland 4 suits; Be that the head of long bolt connecting head 3 is positioned at gland 4 and is connected with rotating shaft 2 on the workpiece impeller 1; The center hole that gland 4 passes in the bar portion of long bolt connecting head 3 is connected with hollow hydraulic jack 5, baffle plate 6 and nut 7 successively; Described quick release coupling 8 is arranged on the hollow hydraulic jack 5, and this hollow hydraulic jack 5 is external to oil hydraulic pump through quick release coupling 8;
The hydraulic type impeller disassembling device comprises push rod 11, band center hole impeller joint sleeve 12, middle joint sleeve 13, oil cylinder joint sleeve 14, hollow hydraulic jack 15, quick release coupling 16 and hexagon socket cap head screw 17; Its impeller joint sleeve 12 constitutes an overall structure with oil cylinder joint sleeve 14 through middle joint sleeve 13; This impeller joint sleeve 12 is fixed on workpiece impeller 1 end face through hexagon socket cap head screw 17; Push rod 11 1 ends extend in the center hole of impeller joint sleeve 12 and with workpiece impeller 1 on rotating shaft 2 concentrics; The other end is connected with hollow hydraulic jack 15; Described quick release coupling 16 is arranged on the hollow hydraulic jack 15, and this hollow hydraulic jack 15 is external to oil hydraulic pump through quick release coupling 8;
The long bolt connecting head of impeller sets assembling device can be installed screw thread through the impeller in the rotating shaft with connecting of workpiece rotating shaft and accomplish; As guarantee hexagon nut, the round nut of impeller and rotating shaft axial position, the installation double-screw bolt of cover type nut, as guarantee the installation screw etc. of the bolt of both axial positions; The hollow hydraulic jack passes the spreading screw rod when installing.
The impeller joint sleeve of impeller disassembling device is installed through craft thread hole installation hexagon socket cap head screw 17 with the workpiece impeller and is realized connecting; The oil cylinder joint sleeve connects through the inch screw thread that oil cylinder carries with hydraulic jack, and impeller joint sleeve and oil cylinder joint sleeve are installed together through middle joint sleeve.
The impeller sets assembling device: the impeller installation process has following several steps: the long bolt connecting head at first is installed in rotating shaft 2; Put gland 4 (passing the spreading screw rod) then successively, put hollow hydraulic jack 5 and (pass the spreading screw rod; This moment, hydraulic jack was in the zero pressure state), overlap overhead gage and fastening at last with hexagon nut 7.Through hand pump or motor-drive pump oiling in hydraulic jack, press-fiting of impeller accomplished in the elongation of hydraulic jack.
Impeller disassembling device: the impeller demolition process has following several steps: mounted impeller joint sleeve 12 on impeller 1 at first; Put into push rod 11; The oil cylinder joint sleeve is installed on the impeller installation sleeve then, on the oil cylinder joint sleeve, hydraulic jack is installed, through hand pump or motor-drive pump oiling in hydraulic jack; The dismounting of impeller is accomplished in the elongation of hydraulic jack.

Claims (1)

1. A kind of locomotive blower fan is characterized in that with hydraulic type impeller loading and unloading frock:
A, described hydraulic type impeller loading and unloading frock comprise hydraulic type impeller sets assembling device and hydraulic type impeller disassembling device two-part,
B, described hydraulic type impeller sets assembling device comprise gland (4), hollow hydraulic jack (5), baffle plate (6), nut (7) and the quick release coupling (8) of long bolt connecting head (3), band center hole; Its long bolt connecting head (3) and gland (4) suit; Be that the head of long bolt connecting head (3) is positioned at gland (4) and is connected with rotating shaft (2) on the workpiece impeller (1); The center hole that gland (4) passes in the bar portion of long bolt connecting head (3) is connected with hollow hydraulic jack (5), baffle plate (6) and nut (7) successively; Described quick release coupling (8) is arranged on the hollow hydraulic jack (5), and this hollow hydraulic jack (5) is external to oil hydraulic pump through quick release coupling (8);
C, described hydraulic type impeller disassembling device comprise push rod (11), band center hole impeller joint sleeve (12), middle joint sleeve (13), oil cylinder joint sleeve (14), hollow hydraulic jack (15), quick release coupling (16) and hexagon socket cap head screw (17); Its impeller joint sleeve (12) constitutes an overall structure with oil cylinder joint sleeve (14) through middle joint sleeve (13); This impeller joint sleeve (12) is fixed on workpiece impeller (1) end face through hexagon socket cap head screw (17); Push rod (11) one ends extend in the center hole of impeller joint sleeve (12) and with workpiece impeller (1) on rotating shaft (2) concentric; The other end is connected with hollow hydraulic jack (15); Described quick release coupling (16) is arranged on the hollow hydraulic jack (15), and this hollow hydraulic jack (15) is external to oil hydraulic pump through quick release coupling (8).
CN2011203453039U 2011-09-15 2011-09-15 Hydraulic impeller loading/unloading tool used for locomotive fan Active CN202228433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203453039U CN202228433U (en) 2011-09-15 2011-09-15 Hydraulic impeller loading/unloading tool used for locomotive fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203453039U CN202228433U (en) 2011-09-15 2011-09-15 Hydraulic impeller loading/unloading tool used for locomotive fan

Publications (1)

Publication Number Publication Date
CN202228433U true CN202228433U (en) 2012-05-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104842143A (en) * 2015-05-18 2015-08-19 江苏荣邦机械制造有限公司 Impeller press-fitting and dismounting device
CN105729103A (en) * 2016-04-29 2016-07-06 沈阳透平机械股份有限公司 Bolt rod stretching device and method for hydraulic disassembling and assembling impeller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104842143A (en) * 2015-05-18 2015-08-19 江苏荣邦机械制造有限公司 Impeller press-fitting and dismounting device
CN104842143B (en) * 2015-05-18 2017-06-06 江苏荣邦机械制造有限公司 Impeller press-assembling provision for disengagement
CN105729103A (en) * 2016-04-29 2016-07-06 沈阳透平机械股份有限公司 Bolt rod stretching device and method for hydraulic disassembling and assembling impeller

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