CN206982577U - Hydraulic screw extractor frock - Google Patents

Abstract

A kind of hydraulic screw extractor frock is the utility model is related to, belongs to mechanical five metals field of tool.Including casing, casing includes the work boxboard being oppositely arranged and jack fixes boxboard, and jack fixes boxboard and is provided with jack fixed seat, fixes boxboard through jack and jack fixed seat is provided with jack mounting hole, work nest is opened up on work boxboard, sleeve is provided with work nest.The utility model can complete the installation for bearing and impeller with removing work, and it is not in unbalance loading to ensure the course of work, it is ensured that remove and installment work is smoothed out, also ensure production safety.

Description

Hydraulic screw extractor frock

Technical field

A kind of hydraulic screw extractor frock is the utility model is related to, belongs to mechanical five metals field of tool.

Background technology

Bearing is one of critical piece of equipment, especially the application industry field in the operating of continuous whole day, and equipment is in reality In the running of border, due to bearing quality reason and for a long time abrasion or maintaining it is not in place caused by equipment fault compared with More, the maintenance department as unit one belongs to is directed to dismounting and installation in equipment bearing Renewal process, is always a more frequency Technical barrier that is numerous and can not being improved operating efficiency.

At present, the molded hydraulic pressure Three-claw pull-horse utensil of in the market, the dismounting work for equipment bearing can be completed, but It is, it is impossible to installed；Moreover, screw mandrel often bends and sticks into hollow oil cylinder, it is in a dilemma；Even result in screw mandrel, chela folding Break or stretch, trigger security incident.

Utility model content

The purpose of this utility model is to provide a kind of hydraulic screw extractor frock, can complete installation for bearing and impeller with Work is removed, it is not in unbalance loading to ensure the course of work, it is ensured that remove and installment work is smoothed out, also ensure production safety.

Hydraulic screw extractor frock described in the utility model, including casing, casing include the work boxboard and thousand being oppositely arranged The fixed boxboard in jin top, jack fix boxboard and are provided with jack fixed seat, fix boxboard through jack and jack is fixed Seat is provided with jack mounting hole, and work nest is opened up on the boxboard that works, sleeve is provided with work nest.Jack can be hydraulic jack Top.

For the installation of bearing and impeller：Working shaft with bearing or impeller is placed on fixed operation intracavitary, working shaft Upper that bearing be housed, on sleeve set to working shaft, jack promotes sleeve, and sleeve promotes bearing, completes to install.

For the dismounting of bearing and impeller：Working shaft with bearing or impeller is placed on fixed operation intracavitary, working shaft Upper that bearing be housed, jack pushes the work forward axle, completes dismounting.

It is further preferred that work nest is U-type groove.It is easy to place working shaft or bearing, reduces to working shaft and bearing Abrasion.

It is further preferred that work nest corresponds to the setting of jack mounting hole, work well width and depth are both greater than jack Mounting hole.Work nest needs the working space bigger than jack, to adapt to the bearing of a variety of different models.

It is further preferred that also include adjustment plate, open up adjustment tank in adjustment plate, adjustment plate located at work boxboard with it is very heavy Between the fixed boxboard in top, adjustment plate is consistent with work boxboard direction.A variety of different bearing designations are adapted to, to needing to dismount Bearing or working shaft be supported, be easy to smoothly dismount.

It is further preferred that the under casing plate of casing is provided with blend stop, for fixed adjustment plate.Adjustment plate is placed into two gears It is more stable for spring bearing or impeller or working shaft between bar.

It is further preferred that fixing boxboard through work boxboard and jack is provided with bracing piece, bracing piece is by strengthening spiral shell Bolt is fixed boxboard with work boxboard and jack and is connected.Bracing piece can strengthen casing intensity, increase functional reliability.

Compared with prior art, the beneficial effects of the utility model are：

(1) the utility model is simple in construction, is the work for installing or removing bearing or impeller in casing by setting casing Chamber, job stability and reliability enhance a lot, enhance production security, and jack is fixed to jack and fixes boxboard On, working shaft is located in work nest, avoids the situation for drawing horse unbalance loading；

(2) by setting adjustment plate, the bearing of a variety of different models is can adapt to, greatly strengthen the popularity of application, Realized without going through disassemblerassembler is changed, enormously simplify maintenance work；

(3) by jack fixed seat and work nest, jack work is more stable, working shaft can be protected not wear, kept away Exempt from jack unbalance loading damage equipment.

Brief description of the drawings

Fig. 1 is the structural representation of an embodiment of the present utility model,

Fig. 2 is A-A sectional views in Fig. 1,

Fig. 3 is B-B sectional views in Fig. 1,

The structural representation of one embodiment of Fig. 4 adjustment plates,

Fig. 5 is the structural representation of another embodiment of adjustment plate,

Fig. 6 is the structural representation of another embodiment of the present utility model.

In figure：1st, jack 2, jack fixed seat 3, bracing piece 4, strengthening stud 5, casing 6, adjustment plate 7, set Cylinder 8, impeller 9, equipment 10, working shaft 11, top 12, work boxboard 13, jack fix boxboard 14, blend stop 15, Fixed ear 16, work nest 17, adjustment tank 18, under casing plate 19, side box plate.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Embodiment one

As shown in Fig. 1~Fig. 3 and Fig. 5, hydraulic screw extractor frock described in the utility model, including casing 5, casing 5 wrap Including the work boxboard 12 being oppositely arranged and jack fixes boxboard 13, jack fixes boxboard 13 and is provided with jack fixed seat 2, Boxboard 13 is fixed through jack and jack fixed seat 2 is provided with jack mounting hole, and work nest 16 is opened up on the boxboard 12 that works, Sleeve 7 is provided with work nest 16.For jack mounting hole built with jack 1, jack 1 can be hydraulic jack.Jack Fixed ear 15 can be provided with outside fixed seat 2, fixed ear 15 is for easy to operate, first, welding jack fixed seat 2 and casing Gripped when 5 for auxiliary；It is but easy to operation during installation jack 1.

Embodiment two

As shown in figure 3, work nest 16 is U-type groove.Remaining is the same as embodiment one.

Embodiment three

As shown in Fig. 1~Fig. 3 and Fig. 5, the corresponding jack mounting hole of work nest 16 is set, the width of work nest 16 and depth Both greater than jack mounting hole.Remaining is the same as embodiment two.

Example IV

As shown in Fig. 1~Fig. 5, in addition to adjustment plate 6, adjustment tank 17 is opened up in adjustment plate 6, adjustment plate 6 is located at work box Plate 12 and jack are fixed between boxboard 13, and adjustment plate 6 is consistent with work boxboard 12 direction.Remaining is the same as embodiment one.

Embodiment five

As shown in Fig. 2 the under casing plate 18 of casing 5 is provided with blend stop 14, for fixed adjustment plate 6.Remaining same example IV. Side box plate 19 is additionally provided with casing 5, the both ends of side box plate 19 connect jack and fix boxboard 13 and work boxboard 12 respectively.

Embodiment six

As shown in Fig. 1~Fig. 2 and Fig. 5, fix boxboard 13 through work boxboard 12 and jack and be provided with bracing piece 3, add Strong bar 3 is fixed boxboard 13 with work boxboard 12 and jack by strengthening stud 4 and is connected.

At present, prior art is using the molded hydraulic pressure Three-claw pull-horse utensil of in the market, is completed for equipment bearing Work is removed, defect is as follows：

(1) it is only capable of removing bearing, it is impossible to installed；

(2) to the bearing of not different model, it is necessary to change corresponding hydraulic pressure Three-claw pull-horse utensil；

(3) in working, chela easily skids, and causes security incident；

(4) screw mandrel often sticks into hollow oil cylinder completely, in a dilemma, or even meeting screw mandrel fractures and triggers security incident, very To cause chela to stretch or fracture trigger security incident；

(5), it is necessary to which multiple bearing could complete work when working, workload is very big.

The utility model is by setting the jack 1 in jack fixed seat 2 with being located at working shaft in work nest 16 10 cooperatings, positioning is simple, easy to operate, can not only solve the problems, such as the dismounting of bearing, moreover, can solve the problem that bearing Installation question, furthermore, it is possible to accordingly solve the problems, such as the dismounting and installation of impeller 8.By the adjustment plate 6 of setting activity, open up The adjustment tank 17 of different size, solve dismounting and the installation question of the bearing and impeller 8 for different model；It need not change Disassemblerassembler, maintenance work is enormously simplify, improve operating efficiency；Worked, avoided by the axle 10 that pushes the work forward of jack 1 The problem of chela skids, improves production efficiency, improves production security.

By repeatedly research is found repeatedly, screw mandrel, which blocks, either to fracture or chela stretches or fractureed, and is because drawing horse inclined Caused by load, after drawing horse unbalance loading, screw mandrel or chela discontinuity, cause to block or fracture, or even trigger security incident.This Jack 1 and 10 corresponding arrangement of working shaft in utility model, jack 1 pushes the work forward axle 10 or sleeve 7 works, by very heavy The fixed boxboard 13 in top and work boxboard 12, solve the problems, such as to position in working shaft 10 and the work of jack 1, moreover, working position Put very reliably, solve the problems, such as to draw horse unbalance loading, enhance functional reliability, avoid screw mandrel and block or fracture, avoid The problem of chela fractures or stretched, improve the safety and reliability of production.

The outside of jack fixed seat 2 is provided with fixed ear 15, is easy to weld jack fixed seat 2 and casing 5.

The course of work or operation principle：

For the installation of bearing and impeller 8：The working shaft 10 that bearing or impeller 8 are carried in equipment 9 is placed on fixed operation Intracavitary, bearing being housed on working shaft 10,7 sets of sleeve is attached on working shaft 10, according to the size for removing or installing bearing designation, Corresponding adjustment plate 6 is selected to be fixed, top the 11 of jack 1 promotes sleeve 7, and sleeve 7 promotes bearing, completes installation.

For the dismounting of bearing and impeller 8：Working shaft 10 with bearing or impeller 8 is placed on fixed operation intracavitary, work Make that bearing is housed on axle 10, according to the size for removing or installing bearing designation, select corresponding adjustment plate 6 to be fixed, thousand Top the 11 of jin top 1 push the work forward axle 10, complete to remove.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

To the direction of structure and the description of relative position relation in the utility model, such as upper and lower description all around, Do not form to limitation of the present utility model, only for convenience of description.

Claims (4)

1. a kind of hydraulic screw extractor frock, it is characterised in that including casing (5), casing (5) includes the work boxboard being oppositely arranged (12) and jack fixes boxboard (13), and jack fixes boxboard (13) and is provided with jack fixed seat (2), consolidates through jack Determine boxboard (13) and jack fixed seat (2) is provided with jack mounting hole, open up work nest (16) on work boxboard (12), work Sleeve (7) is provided with groove (16).

2. hydraulic screw extractor frock according to claim 1, it is characterised in that work nest (16) is U-type groove.

3. hydraulic screw extractor frock according to claim 1, it is characterised in that also including adjustment plate (6), in adjustment plate (6) Open up adjustment tank (17), adjustment plate (6) between work boxboard (12) and jack fix boxboard (13), adjustment plate (6) and Work boxboard (12) direction is consistent.

4. according to the hydraulic screw extractor frock described in claim any one of 1-3, it is characterised in that through work boxboard (12) and thousand The fixed boxboard (13) in jin top is provided with bracing piece (3), and bracing piece (3) passes through strengthening stud (4) and work boxboard (12) and jack Fixed boxboard (13) connection.