CN208196670U - A kind of dynamometer shaft bearing dismounting auxiliary mould - Google Patents

Abstract

The utility model discloses a kind of dynamometer shaft bearings to dismount auxiliary mould, including supporting table, the supporting table is equipped with the guide sleeve of hollow structure, the internal diameter of the guide sleeve is adapted with the outer diameter of the shoulder of dynamometer shaft, and the internal diameter of the guide sleeve is less than the inner ring outer diameter of bearing, and the positioning sleeve for the hollow structure coaxially arranged is equipped with below the guide sleeve.The utility model provides a kind of bearing dismantling auxiliary mould compact-sized, easy to use, assistance application is in the disassembly process for tapping dynamometer shaft bearing, bearing and the shaft damage for effectively avoiding the problem that dynamometer, greatly reduce labor intensity, improve work efficiency.

Description

A kind of dynamometer shaft bearing dismounting auxiliary mould

Technical field

The utility model relates to engine component mounting technology fields, more specifically, it relates to which a kind of dynamometer turns Axle bearing dismounts auxiliary mould.

Background technique

Dynamometer is also known as dynamometer machine, is mainly used for the torque of test engine, obtains engine further according to torque and revolving speed Power.When work, shaft is rotate together at high speed by shaft coupling and engine, the bearing in shaft often bear high revolving speed, High torque, in addition work, lubricant environment are severe, bearing is easy fever and burns out, it is often necessary to replace.Since bearing inner race is with shaft With interference fit is combined into, so when bearing removal or assembly, it should be noted that bearing or each part whether damage, improperly pacify Dress process will lead to bearing deformation, influence the cooperation precision of entire bearing, influence service life, or even just install, and bearing is just Damage.It is using more assembly and disassembly methods at present: using the strength of hammering, mutually matched part is made to generate displacement and mutually take off From or work good, reach dismounting purpose.For this kind of method in dismounting, inner ring or outer ring stress are uniformly to use hammer Or chisel beat hit the method for striking, to operator's bench skill require it is relatively high, it is necessary to symmetrical applied force is symmetrically beaten, Tap method not clock synchronization, bearing can be deflected in addition it is stuck can not dismantle, damage bearing or shaft, part caused when serious It scraps, meanwhile, in order to protect bearing as far as possible, and pay attention to beaing position, it, cannot when bearing inner race is interference fitted with axis Power is driven to inner ring by outer ring, or power cannot be passed to outer ring by inner ring, otherwise raceway and rolling element meeting Wound, deformation are struck, noise and premature deterioration are generated when bearing operation, the method for striking is hit and is difficult that raceway and rolling element is avoided to strike wound, become Shape, influences the cooperation precision of entire bearing, traditional hammering method due to lacking corresponding auxiliary mould, be easily damaged bearing or Part, also, there is dismounting large labor intensity, ineffective problem.

Utility model content

The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provide it is a kind of it is compact-sized, Bearing dismantling auxiliary mould easy to use, assistance application effectively avoid in the disassembly process for tapping dynamometer shaft bearing The problem of bearing and shaft damage of dynamometer, labor intensity is greatly reduced, is improved work efficiency.

Technical scheme of the utility model is as follows: a kind of dynamometer shaft bearing dismounts auxiliary mould, including support Platform, the supporting table are equipped with the guide sleeve of hollow structure, the outer diameter of the shoulder of the internal diameter and dynamometer shaft of the guide sleeve It is adapted, and the internal diameter of the guide sleeve is less than the inner ring outer diameter of bearing, is equipped with below the guide sleeve and coaxially arranges The positioning sleeve of hollow structure.

As a further improvement, connection frame is equipped between the supporting table and positioning sleeve, the positioning sleeve sliding It is installed on the connection frame.

Further, the sliding groove for installing the positioning sleeve is equipped in the connection frame, correspondingly, the positioning sleeve Periphery is equipped with sliding block compatible with the sliding groove.

Further, the connection frame periphery, which is equipped with, is plugged in the sliding groove with by the locking of the slider locking Screw, the lock-screw is screwed on the sliding block to be connected.

Further, the guide sleeve is the sleeve of T shape, including mounting portion and limiting section, and the mounting portion is inserted It is connected in the supporting table, the limiting section is located at the top of the supporting table, and contacts with the top surface of the supporting table It is connected.

Further, the limiting section top surface is equipped with circular orientation platform, the outer diameter of the circular orientation platform and the bearing Outer ring internal diameter be adapted.

Further, the supporting table be frame-type structure, including for installing the guide sleeve workbench and Support the support rod of the workbench.

Beneficial effect

The utility model compared with prior art, has the advantage that are as follows:

1, the utility model provides a kind of bearing dismantling auxiliary mould compact-sized, easy to use, assistance application in In the disassembly process for tapping dynamometer shaft bearing, effectively avoids the problem that bearing and the shaft damage of dynamometer, substantially reduce Labor intensity, improves work efficiency；

2, make dynamometer shaft during percussion by the effect of positioning sleeve in the utility model, always coaxial fortune It is dynamic, can be to avoid percussion during, the problem of shaft shifts and causes damage of the bearing, effectively increase the dismounting of bearing Precision；

3, the utility model both can be applied to the disassembly of bearing, also can be applied to the installation of bearing, applied widely；

4, the utility model also quickly positions bearing by circular orientation platform, to further increase bearing Disassembly efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structure enlargement diagram of guide sleeve in the utility model；

Fig. 3 is structural schematic diagram when the utility model tears bearing open；

Fig. 4 is structural schematic diagram when the utility model installs bearing.

Wherein: 1- supporting table, 2- guide sleeve, 3- dynamometer shaft, 4- bearing, 5- positioning sleeve, 6- connection frame, 7- sliding Slot, 8- sliding block, 9- lock-screw, 11- workbench, 12- support rod, 21- mounting portion, 22- limiting section, 23- circular orientation platform, 31- shoulder.

Specific embodiment

Specific embodiment in reference to the accompanying drawing is described further the utility model.

Refering to fig. 1 shown in -4, a kind of dynamometer shaft bearing of the utility model dismounts auxiliary mould, is that a kind of auxiliary is struck The mode of hitting dismounts the tooling of bearing, which includes supporting table 1, and the guide sleeve 2 of hollow structure is equipped in supporting table 1, in Portion is equipped with cavity, and shoulder 31 is bulge-structure of the existing dynamometer shaft 3 as limitation 4 axial displacement of bearing, therefore, the guiding The internal diameter of set 2 is adapted with the outer diameter of the shoulder 31 of dynamometer shaft 3, and the internal diameter of the guide sleeve 2 is less than outside the inner ring of bearing 4 Diameter, it is ensured that guide sleeve 2 keep with 4 inner ring joint of bearing, 4 inner ring stress of bearing, at the same time, below guide sleeve 2 be equipped with The positioning sleeve 5 of its coaxially arranged hollow structure can accommodate dynamometer shaft 3 likewise, having cavity inside positioning sleeve 5 Other positions, make dynamometer shaft 3 during percussion, always moved in coaxial, can be to avoid percussion during, shaft The problem of shifting and causing damage of the bearing effectively increases the dismounting precision of bearing.The utility model is compact-sized, uses Convenient, assistance application effectively avoids bearing and the shaft damage of dynamometer in the disassembly process for tapping dynamometer shaft bearing The problem of, labor intensity is greatly reduced, is improved work efficiency, the disassembly of bearing has both been can be applied to, also can be applied to The installation of bearing, it is applied widely.

Preferably, connection frame 6 is equipped between supporting table 1 and positioning sleeve 5, wherein positioning sleeve 5 is slidably mounted on connection frame 6 On, it, so that when tearing bearing 4 open, positioning sleeve 5 can entangle shoulder 32, can be formed same with the position of up and down adjustment positioning sleeve 5 The positioning of axis degree；Further, the sliding groove 7 of installation positioning sleeve 5 is equipped in connection frame 6, correspondingly, 5 periphery of positioning sleeve is equipped with Sliding block 8 compatible with sliding groove 7 is realized sliding up and down for positioning sleeve 5 by way of sliding groove 7 cooperates with sliding block 8, is convenient for Operation, while it being conveniently replaceable the positioning sleeve 5 of different-diameter, to meet diametric requirements when bearing removal, in order to which positioning sleeve 5 is limited It is scheduled on specified position, the lock-screw 9 being plugged in sliding groove 7 to lock sliding block 8 is equipped in 6 periphery of connection frame, into one Step ground, lock-screw 9 is screwed on sliding block 8 to be connected, and is formed and is rubbed by lock-screw 9 and connection frame 6, so that positioning sleeve 5 be consolidated It is fixed, it is easy to operate.

Further, guide sleeve 2 is the sleeve of T shape, including mounting portion 21 and limiting section 22, mounting portion 21 and limit Position portion 22 is coaxially arranged, and the diameter of mounting portion 21 is greater than the diameter of limiting section 22, wherein the diameter of mounting portion 21 can be greater than Or the outer diameter equal to bearing 4, mounting portion 21 are plugged in supporting table 1, limiting section 22 is located at the top of supporting table 1, and with support The top surface contact of platform 1 is connected, and has better support effect to bearing 4, in practical application, multiple and different internal diameters can be made Guide sleeve 2 and positioning sleeve 5, so as to be suitable for different size dynamometer shaft 3 dismounting, it is preferred that limiting section 22 push up Face is equipped with circular orientation platform 23, and the outer diameter of the circular orientation platform 23 is adapted with the outer ring internal diameter of bearing 4, passes through circular orientation platform Bearing is quickly positioned, to further increase the disassembly efficiency of bearing；Its supporting table 1 is the structure of frame-type, with Convenient for arranging positioning sleeve 5, which includes for installing the workbench 11 of guide sleeve 2 and supporting the support of the workbench 11 Bar 12, wherein guide sleeve 2, connecting plate 6 are connected with workbench 11.

Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all will not influence this reality With the effect and patent practicability of novel implementation.

Claims (7)

1. a kind of dynamometer shaft bearing dismounts auxiliary mould, including supporting table (1), which is characterized in that the supporting table (1) It is equipped with the guide sleeve (2) of hollow structure, the outer diameter phase of the shoulder (31) of the internal diameter and dynamometer shaft (3) of the guide sleeve (2) Adaptation, and the internal diameter of the guide sleeve (2) is less than the inner ring outer diameter of bearing (4), is equipped with below the guide sleeve (2) coaxial The positioning sleeve (5) of the hollow structure of arrangement.

2. a kind of dynamometer shaft bearing according to claim 1 dismounts auxiliary mould, which is characterized in that the support Connection frame (6) are equipped between platform (1) and positioning sleeve (5), the positioning sleeve (5) is slidably mounted on the connection frame (6).

3. a kind of dynamometer shaft bearing according to claim 2 dismounts auxiliary mould, which is characterized in that the connection The sliding groove (7) for installing the positioning sleeve (5) is equipped in frame (6), correspondingly, positioning sleeve (5) periphery be equipped with it is described The compatible sliding block (8) of sliding groove (7).

4. a kind of dynamometer shaft bearing according to claim 3 dismounts auxiliary mould, which is characterized in that the connection Frame (6) periphery is equipped with the lock-screw (9) being plugged in the sliding groove (7) to lock the sliding block (8), the locking Screw (9) is screwed on the sliding block (8) to be connected.

5. a kind of dynamometer shaft bearing dismounting auxiliary mould, feature described in any one of -4 exist according to claim 1 In the guide sleeve (2) is the sleeve of T shape, including mounting portion (21) and limiting section (22), and the mounting portion (21) is inserted Be connected in the supporting table (1), the limiting section (22) is located at the top of the supporting table (1), and with the supporting table (1) top surface contact is connected.

6. a kind of dynamometer shaft bearing according to claim 5 dismounts auxiliary mould, which is characterized in that the limit Portion (22) top surface is equipped with circular orientation platform (23), the outer ring internal diameter phase of the outer diameter and the bearing (4) of the circular orientation platform (23) Adaptation.

7. a kind of dynamometer shaft bearing according to claim 1 dismounts auxiliary mould, which is characterized in that the support Platform (1) is the structure of frame-type, including the workbench (11) for installing the guide sleeve (2) and supports the workbench (11) Support rod (12).