CN2734427Y

CN2734427Y - Dismounting trammer

Info

Publication number: CN2734427Y
Application number: CN 200420068521
Authority: CN
Inventors: 贺梦军; 李海滨
Original assignee: LIANYUAN IRON AND STEEL GROUP CO Ltd
Current assignee: LIANYUAN IRON AND STEEL GROUP CO Ltd
Priority date: 2004-08-23
Filing date: 2004-08-23
Publication date: 2005-10-19
Anticipated expiration: 2014-08-23

Abstract

The utility model discloses a dismounting trammer used for the assembly and disassembly of large film bearings. The dismounting trammer integrates a dismounting device and a hydraulic device into a frame that can automatically adjust the height and the horizontal position. A hydraulic transmission gear part mainly comprises an oil pump, a three-position four-way hand change-over valve, an overflow valve, etc., and through the transposition of the three-position four-way hand change-over valve, a piston in a piston type cylinder can realize left movement or right movement. The dismounting device part is mainly composed of a plum blossom outer hook and a plum blossom inner hook, a plum blossom ejector rod, a large and a small hand wheels and other sealing elements. The hydraulic device part is installed at the bottom end of a push frame, and the dismounting device part is installed at the middle part of the push frame. High pressure hoses 3 and 4 which communicate the interface A and the interface B of the three-position four-way hand change-over valve of the hydraulic device part make hydraulic oils enter the dismounting device from oil holes in the piston, and relative motion of the plum blossom inner hook and the plum blossom outer hook or the plum blossom ejector rod is realized. Through the rotation of the large and the small hand wheels, large oil bearings are dismounted or mounted. The dismounting trammer has simple structure and strong practicability.

Description

Dismounting trammer

Technical field

The utility model relates to a kind of Dismounting trammer that large-scale filmatic bearing is taken apart and assembled that is used for.

Background technology

Be used for the employed instrument of the large-scale filmatic bearing of industrial enterprise's dismounting at present and be called the RM extracting tool, it is to be made of two relatively independent hydraulic means and provision for disengagement, wherein hydraulic means is promoted by hand by operating personnel, provision for disengagement then rely on crane with its level push finish in the filmatic bearing plum-blossom sleeve dismounting operation after again level pull out.The shortcoming of this method of operating and operating equipment is: the upper-lower position or the position, the left and right sides that rely on crane to control provision for disengagement itself are exactly a thing that is difficult to realization, crane and provision for disengagement are difficult to synchronous operation, provision for disengagement is being pushed or is pulling out oil film when cover because provision for disengagement level no longer, be obstructed so push always to pull out, labor intensity of operating staff is big, also have potential safety hazard in various degree, inefficiency is not a kind of desirable instrument.

Summary of the invention

Task to be solved in the utility model provide a kind of easy for operation, can exactly provision for disengagement be pushed in the oil film plum-blossom sleeve again the Dismounting trammer of can be neatly pulling out provision for disengagement in the oil film plum-blossom sleeve, hydraulic means and provision for disengagement on this Dismounting trammer, have been made up, can accomplish exactly provision for disengagement to be pushed or pulls out the oil film plum-blossom sleeve, simultaneously operating, safe and reliable.

For realizing above-mentioned task, the technical scheme that the utility model adopted is: make the framework that can promote with metal material (or stainless steel), in the bottom of this framework N cover (N 〉=1) fast pulley or N ' cover (N ' 〉=1) universal wheel are installed, fast pulley is called front-wheel, and universal wheel is called trailing wheel.Hydraulic means (for prior art) is self-contained within the case on this chassis base of specific placement; Near front-wheel, be manufactured with the activity vertical rod by hinge, near trailing wheel and in the middle part of the two-wheeled, be manufactured with fixedly vertical rod, at fixing vertical rod central part one handle is installed, has been formed a simple and easy Dismounting trammer of practicality again by fixedly vertical rod, activity vertical rod, front-wheel, trailing wheel like this.In the activity vertical rod, sleeve pipe is arranged, provision for disengagement (for prior art) is assemblied in heightening on the pair of nut of connecting plate continuous between the activity vertical rod, can realize moving up and down of provision for disengagement by sleeve pipe, heighten pair of nut and be used for highly fine setting, link with high-pressure hose between hydraulic means and the provision for disengagement.

Adopt dismounting go-cart that as above technical scheme makes compared with prior art, its advantage is:

1. the go-cart body construction is simple, is convenient to make;

2. easy to operate, as can to realize go-cart flexibly the moving up and down of provision for disengagement is not subjected to the restriction of miscellaneous equipment (as driving);

3. can increase work efficiency 3～4 times, greatly alleviate labor intensity of operating staff;

4. safe and reliable, optimum management.

Description of drawings

Fig. 1 is the structural representation of dismounting go-cart described in the utility model, also is specification digest accompanying drawing of the present utility model.

Fig. 2 is the schematic diagram of the employed hydraulic means of the described dismounting go-cart of this case.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Dismounting trammer described in the utility model mainly is made of three parts: the framework part of go-cart, hydraulic means part and provision for disengagement are partly.This three part constitutes accurate Dismounting trammer.The framework of go-cart partly comprise vertical rod 1 and 1 ', handle 2, activity vertical rod 17, sleeve pipe 16, heighten pair of nut 15 ', hinge 18 and front-wheel 19, trailing wheel 21.Front-wheel 19 (fast pulley) is connected in the front end by the base of frame of fixedly vertical rod 1 and 1 ' constitute, trailing wheel 21 (universal wheel) is fixed on the rear end of chassis base, fixedly vertical rod 1 or 1 ' the position, middle and upper part handle 2 is arranged, in activity vertical rod 17, be set with sleeve pipe 16 and heighten pair of nut 15 ', activity vertical rod 17 usefulness hinges 18 connect mutually with base of frame, the lower end of tee T fixed head 15 be sleeved on heighten pair of nut 15 ' on, tee T fixed head 15 is connected with piston cylinder 7.Two ends, fixed head 15 left and right sides are contained in the activity vertical rod 17 by two " 7 " font connecting plates and other two casing pipe sleeves, realize the relative fixed of provision for disengagement.

Hydraulic means partly is a prior art (as shown in Figure 2), it by oil pump 23,

overflow valve

24 or 26 or 27,3-position 4-way hand-operated direction valve 28, oil strainer 29 and oil sump 22, piston cylinder 7 and flexible pipe 3 and 4 and handgrip 25 etc. constitute.Go into oil sump 22 for one of oil pump 23, the other end connects the two ends of the interface P and the overflow valve 24 of 3-position 4-way hand-operated direction valve 28, the interface P that one termination 3-position 4-way of overflow valve 24 is manual to valve 28, one end of its another termination overflow valve 26, the other end of overflow valve 26 through flexible pipe 3 go into the left chamber 13 of piston cylinder 7 '; One end of overflow valve 27 through flexible pipe 4 go into the right chamber 6 of piston cylinder 7 ', its other end is through oil strainer 29 oil-feed ponds 22; The interface A of 3-position 4-way hand-operated direction valve 28 through flexible pipe 3 go into left chamber 13 ', interface B through flexible pipe 4 go into right chamber 6 ', interface T is communicated with oil sumps 22 through oil strainer 29.Handgrip 25 is installed in one side of 3-position 4-way hand-operated direction valve 28.The general place of 3-position 4-way hand-operated direction valve 28 metas (overflow position), this moment fluid from oil sump 22 through oil pump 23 again through interface P and the interface T and the oily filtering ponds 29 oil return ponds 22 of 3-position 4-way hand-operated direction valve 28.When 25 dozens of handgrips during in position, a left side, fluid from oil sump 22 through oil pump 23 again through the interface P of 3-position 4-way hand-operated direction valve 28 and interface A through flexible pipe 3 to the left chamber 13 of piston cylinder 7 '.When pressure reached setting,

overflow valve

24 and 26 is oil spillings simultaneously, and the fluid that overflows gathers after by filter 29 oil return ponds 22, simultaneously right chamber 6 ' oil return through interface B and the interface T and the oil strainer 29 oil return ponds 22 of flexible pipe 4,3-position 4-way hand-operated direction valve 28.When handgrip 25 is got to right position, fluid from oil sump 22 through oil pump 23 again through the interface P of 3-position 4-way hand-operated direction valve 28 and interface B through flexible pipe 4 advance the right chamber 6 of piston cylinder 7 ', when reaching setting,

overflow valve

27 and 24 overflows simultaneously, pass through filter 29 oil return ponds 22 after the oil that overflows gathers again, simultaneously left chamber 13 ' oil return through the interface A of flexible pipe 3,3-position 4-way hand-operated direction valve 28 and interface T through oil strainer 29 oil return ponds 22.

Provision for disengagement partly is a prior art, it be installed to as shown in Figure 1 be sleeved in two activity vertical rods 17 heighten pair of nut 15 ' on.It mainly is made of hook 11, contiguous block 12, piston 13, gland 14 etc. in small handwheel 5, trace 6, piston cylinder 7, big handwheel 8, the outer hook 9 of plum blossom, plum blossom push rod 10, the plum blossom.Small handwheel 5 is connected with trace 6, and trace 6 is assemblied in the inner chamber of piston 13, and contiguous block 12 also is installed in the inner chamber of piston 13 and connects mutually with trace 6; Realize the rotation of hook 11 in the plum blossom by rotating small handwheel 5,8 on big handwheel drives the outer hook 9 of plum blossom.Piston cylinder 7 is assemblied in the outside of piston 13; Have oilhole on piston 13, be connected with flexible pipe 3 and 4 one on this oilhole, flexible pipe 3 and 4 other end are communicated with the interface A and the interface B of the 3-position 4-way hand-operated direction valve 28 of hydraulic means again.Outer rim at an end of piston cylinder 7 is set with hook 9 outside the plum blossom, and plum blossom push rod 10 is assemblied in the piston cylinder 7 by the outer hook 9 of plum blossom, is set with gland 14 between plum blossom push rod 10 and piston 13, and plum blossom push rod 10 also turns.Contiguous block 12 is assemblied between connecting rod 6 and the piston 13, connects with screw between hook 11 and the contiguous block 12 in the plum blossom.Flexible pipe 3 and 4 is linked between hydraulic transmission 20 and the provision for disengagement.

During dismounting, provision for disengagement is pushed in the bearing block, big handwheel 8 is changeed 45 °, shake handgrip 25, make 3-position 4-way hand-operated direction valve 28 when position, a left side, fluid from oil sump 22 through oil pump 23 go into the interface P of 3-position 4-way hand-operated direction valve 28 and interface A again through flexible pipe 3 enter into the left chamber 13 of piston cylinder 7 ' in, promoting piston 13 moves right, the moving right of piston 13 drives that hook 11 moves right in trace 6 and the plum blossom, simultaneously hydraulic oil from the right chamber 6 of piston cylinder 7 ' go into the interface B of three position four-way directional control valve 28 and interface T again through oil strainer 29 oil return ponds 22 through flexible pipe 4; In this process, the outer hook 9 of plum blossom hooks bearing block, and hook 11 withstands roller in the plum blossom, and bearing block is pulled out from roller, finishes after this program 45 ° of big handwheel 8 counter-rotatings, and bearing block is pulled out in provision for disengagement, safeguards.During installation, provision for disengagement pushed behind the bearing block small handwheel 5 is rotated 45 °, shaking handgrip 25 simultaneously makes 3-position 4-way hand-operated direction valve 28 be in right position, right chamber 6 ' promotion piston 13 that the fluid that comes out from oil pump 23 this moment is gone into piston cylinder 7 through flexible pipe 4 again through the interface P of 3-position 4-way hand-operated direction valve 28 and interface B is to left movement, piston 13 make fluid flow back to oil sump 22 by oil strainer 29 on the one hand to left movement by the interface A and the interface T in left chamber 13 ' go into 3-position 4-way hand-operated direction valve 28 through flexible pipe 3; On the other hand piston 13 hook 11 is to left movement in left movement drives plum blossom, at this moment, plum blossom push rod 10 withstands bearing block, in the plum blossom hook 11 hook roller with bearing sleeve to roller.Finish after the program 45 ° of small handwheel 5 counter-rotatings, operating personnel hold handle 2 and will dismantle go-cart and pull out.Repeat as above operating process and just can realize removing and installing of large-scale filmatic bearing.

Claims

1, a kind of Dismounting trammer, go into oil sump (22) for one of oil pump (23), the other end connects the two ends of the interface (P) and the overflow valve (24) of 3-position 4-way hand-operated direction valve (28), the interface (P) of one termination 3-position 4-way hand-operated direction valve (28) of overflow valve (24), one end of its another termination overflow valve (26), the other end of overflow valve (26) is gone into the left chamber (13 ') of piston cylinder (7) through flexible pipe (3), one end of overflow valve (27) is gone into the right chamber (6 ') of piston cylinder (7) through flexible pipe (4), and its other end is through oil strainer (29) oil-feed pond (22); The interface (A) of 3-position 4-way hand-operated direction valve (28) is gone into left chamber (13 ') through flexible pipe (3), interface (B) is gone into right chamber (6 ') through flexible pipe (4), interface (T) is communicated with oil sump (22) through oil strainer (29), and handgrip (25) is installed in one side of 3-position 4-way hand-operated direction valve (28); Small handwheel (5) is connected with trace (6), and trace (6) is assemblied in the inner chamber of piston (13), and piston cylinder (7) is assemblied in the outside of piston (13), has oilhole on piston (13); Outer rim at piston cylinder (7) one ends is set with hook outside the plum blossom (9), plum blossom push rod (10) is assemblied in the piston cylinder (7) by the outer hook (9) of plum blossom, between plum blossom push rod (10) and piston (13), gland (14) is housed, contiguous block (12) is assemblied between connecting rod (6) and the piston (13), connects with screw between hook (11) and the contiguous block (12) in the plum blossom; It is characterized in that: front-wheel (19) is connected in the front end of the base of frame that is made of fixedly vertical rod (1,1 '), trailing wheel (21) is connected in the rear end of base of frame, last medium position in fixedly vertical rod (1,1 ') has handle (2), in activity vertical rod (17), be set with sleeve pipe (16) and heighten pair of nut (15 '), activity vertical rod (17) connects with base of frame mutually with hinge (18), the lower end of fixed head (15) is sleeved on to be heightened on the pair of nut (15 '), and fixed head (15) is connected with piston cylinder (7); An oilhole that connects on the piston (13) of flexible pipe (3,4), the other end of flexible pipe (3,4) is communicated with the interface (A) and interface (B) of 3-position 4-way hand-operated direction valve (28).