CN110864602A

CN110864602A - Inner circle detection device for railway wagon bearing

Info

Publication number: CN110864602A
Application number: CN201911306836.3A
Authority: CN
Inventors: 何中存; 张虎; 谢彩霞
Original assignee: Yinchuan Special Bearing Co Ltd
Current assignee: Yinchuan Special Bearing Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-03-06

Abstract

The invention discloses an inner circle detection device for a bearing of a railway wagon, which belongs to the technical field of bearing detection and comprises a device main body, wherein an electric push rod is installed at the bottom of the device main body, a counterweight component is arranged at the bottom of the electric push rod, supporting plates are fixed at the tops of the electric push rod, an electric telescopic rod is installed at the top side of one end of each supporting plate, and a fixing component is fixed at one end, far away from the supporting plates, of each electric telescopic rod. According to the invention, the armrest is manually rotated by taking the bearing seat and the bearing as base points, and meanwhile, the armrest is wound with the rope, so that the rope drives the handle to move to the position of the fixing ring, and meanwhile, the elastic part in the sleeve is extruded, so that the push rod moves to the inner part of the sleeve, then the pressing block extends to the inner ring of the bearing to be measured under the action of the electric telescopic rod, and then the rotating force of the armrest is loosened, so that the pressing block moves to the position of the inner ring of the bearing under the action of the elastic force of the elastic part, and the diameter of the inner ring of the bearing to.

Description

Inner circle detection device for railway wagon bearing

Technical Field

The invention relates to the technical field of bearing detection, in particular to an inner circle detection device for a bearing of a railway wagon.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment, and its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision (accuracy), wherein the Bearing that uses in railway freight car, it is higher to its requirement to it, thereby need utilize corresponding detection device to detect the Bearing, and detect including interior circle detection, excircle detection and inside ball detection.

Wherein generally directly adopt the measuring rope directly to measure its interior circle diameter about the detection of bearing interior circle diameter, measuring rate is comparatively slow, and measures inaccurately to work efficiency has been reduced to a certain extent, and current bearing is generally can only detect the interior diameter of bearing with interior circle detection device, can not realize detecting its outside diameter when detecting its inside diameter, thereby has reduced the rate of utilization.

Disclosure of Invention

The invention aims to: in order to solve the problem that the inner circle diameter of a bearing is generally directly measured by a measuring rope, the measuring speed is slow, the measurement is inaccurate, the working efficiency is reduced to a certain degree, the inner circle detection device for the existing bearing can only detect the inner diameter of the bearing generally, the outer diameter of the bearing can not be detected when the inner diameter of the bearing is detected, and the utilization rate is reduced, the inner circle detection device for the bearing of the railway wagon is provided.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a railway freight car bearing is with interior circle detection device, includes the device main part, electric putter is installed to the bottom of device main part, electric putter's bottom is provided with the counter weight subassembly, electric putter's top all is fixed with the backup pad, electric telescopic handle is installed to the top side of backup pad one end, electric telescopic handle keeps away from the one end of backup pad and is fixed with fixed subassembly, the four corners department in the fixed subassembly outside all is provided with the sleeve, one side that fixed subassembly was kept away from to the sleeve all is provided with measuring component, one side that fixed subassembly was kept away from to measuring component all is provided with the briquetting, one side that telescopic one side was kept away from to the.

Preferably, the one end of fixed subassembly is provided with the spacing ring, the outside of spacing ring is provided with solid fixed ring, the one end of spacing ring is provided with the handrail, the one end of spacing ring is rotated and is connected with locking cap, gu fixed ring's inboard is provided with the hole.

Preferably, one side of measuring component all is provided with the push rod that runs through to the inside one side of sleeve, the one end that electric putter was kept away from to the push rod has all been carved with the scale, one side that one end of push rod is close to fixed subassembly all is provided with the fixed block that runs through to sleeve one end, the one end of fixed block is provided with the handle, telescopic inside all is provided with the elastic component.

Preferably, the bottom of counter weight subassembly is provided with the balancing weight, the both sides of balancing weight all are provided with the mounting, the card hole has all been seted up at the top of mounting, the top in card hole all is provided with the screw rod that runs through to the mounting below.

Preferably, one side that fixed subassembly was kept away from to the push rod all is provided with the connecting block, the push rod all passes through connecting block and briquetting fixed connection.

Preferably, the side of the push rod close to the elastic piece and the side of the sleeve inside close to the fixing component are both provided with a welding piece, and both ends of the elastic piece are respectively connected with the push rod and the sleeve in a welding manner through the welding pieces.

Preferably, the outer side of the handrail is uniformly wound with a plurality of groups of ropes, the number of the ropes is four, and one end of each rope, which is far away from the handrail, is fixedly connected with the handle.

Preferably, the number of sleeve and fixed block is four groups, telescopic one end all is provided with the breach, and four groups the fixed block all passes through the breach respectively with sleeve interactive connection.

Preferably, the one end of handrail is provided with the bearing frame, and the inside of bearing frame all is provided with the bearing, the one end of handrail is connected with the locking nut rotation through mutually supporting of bearing frame and bearing.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the armrest is manually rotated by taking the bearing seat and the bearing as base points, and meanwhile, the armrest is wound with the rope, so that the rope drives the handle to move to the position of the fixing ring, and meanwhile, the elastic part in the sleeve is extruded, so that the push rod moves to the inner part of the sleeve, then the pressing block extends to the inner ring of the bearing to be measured under the action of the electric telescopic rod, and then the rotating force of the armrest is loosened, so that the pressing block moves to the position of the inner ring of the bearing under the action of the elastic force of the elastic part, and the diameter of the inner ring of the bearing to;

2. the diameter of the inner ring of the bearing is measured through the contact block, and the diameter of the outer ring of the bearing is measured through the pressing block, so that the diameter of the inner ring of the bearing can be measured, the diameter of the outer ring of the bearing can also be measured, and the utilization rate is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the retaining ring of the present invention;

FIG. 3 is a schematic structural view of a fixing assembly of the present invention;

FIG. 4 is a schematic view of a retaining ring according to the present invention;

fig. 5 is a partial structural schematic diagram of the present invention.

In the figure: 1. a device main body; 2. an electric push rod; 3. a support plate; 4. an electric telescopic rod; 5. a fixing assembly; 501. a limiting ring; 502. a fixing ring; 503. a handrail; 504. a fixing cap; 505. a hole; 6. a sleeve; 7. a measurement assembly; 701. a push rod; 702. a scale; 703. a fixed block; 704. a handle; 705. an elastic member; 8. connecting blocks; 9. briquetting; 10. a contact block; 11. a counterweight assembly; 1101. a balancing weight; 1102. a fixing member; 1103. a screw; 1104. and (6) clamping the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The electric telescopic rod (the model is FY 011) and the electric push rod (the model is DYTZB) can be obtained by market or private ordering.

Please refer to fig. 1-5, an inner circle detection device for a bearing of a railway wagon, which comprises a device main body 1, wherein an electric push rod 2 is installed at the bottom of the device main body 1, a counterweight component 11 is arranged at the bottom of the electric push rod 2, a support plate 3 is fixed at the top of the electric push rod 2, an electric telescopic rod 4 is installed at the top side of one end of the support plate 3, a fixing component 5 is fixed at one end of the electric telescopic rod 4 far away from the support plate 3, sleeves 6 are arranged at four corners of the outer side of the fixing component 5, a measuring component 7 is arranged at one side of each sleeve 6 far away from the fixing component 5, a pressing block 9 is arranged at one side of each measuring component 7 far away from the fixing component.

The electric telescopic rod 4 and the sleeve 6 can be fixed more easily through the arranged fixing component 5, and the measurement of the device main body 1 is simpler through the arranged measuring component 7, so that the working difficulty is reduced, the utilization rate is improved, and the diameter of the inner ring of the bearing to be measured can be measured conveniently.

Please refer to fig. 1, 2, 3, 4 and 5, one end of the fixing assembly 5 is provided with a limiting ring 501, an outer side of the limiting ring 501 is provided with a fixing ring 502, one end of the limiting ring 501 is provided with a handrail 503, one end of the limiting ring 501 is rotatably connected with a fixing cap 504, and an inner side of the fixing ring 502 is provided with a hole 505.

This kind of railway freight car is interior circle detection device for bearing is convenient for dock fixed subassembly 5 and electric telescopic handle 4 through hole 505, solid fixed ring 502 and the spacing ring 501 that sets up to the degree of difficulty of installation has been reduced.

Please refer to fig. 1, 2, 4 and 5, one side of the measuring assembly 7 is provided with a push rod 701 penetrating to one side inside the sleeve 6, one end of the push rod 701 far away from the electric push rod 2 is engraved with a scale 702, one side of one end of the push rod 701 near the fixing assembly 5 is provided with a fixing block 703 penetrating to one end of the sleeve 6, one end of the fixing block 703 is provided with a handle 704, and the inside of the sleeve 6 is provided with an elastic element 705.

This kind of railway freight car is interior circle detection device for bearing is convenient for read measured numerical value through the scale 702 that sets up to the degree of difficulty of work has been reduced, and is convenient for fix handle 703 through the fixed block 703 that sets up, thereby makes subsequent use of the device main part 1 more simple, has improved the rate of utilization.

Please refer to fig. 1, 2, 3, 4 and 5, a weight block 1101 is disposed at the bottom of the weight assembly 11, fixing members 1102 are disposed at both sides of the weight block 1101, clamping holes 1104 are disposed at the top of the fixing members 1102, screws 1103 penetrating to the lower side of the fixing members 1102 are disposed at the top of the clamping holes 1104, a connecting block 8 is disposed at one side of the push rod 701 away from the fixing assembly 5, and the push rod 701 is fixedly connected to the pressing block 9 through the connecting block 8.

This kind of railway freight car is interior circle detection device for bearing has increased the weight of device main part 1 bottom through the balancing weight 1101 that sets up to make the stability of device main part 1 better, improved stability, and be convenient for adjust the distance between adjacent two sets of briquetting 9 through push rod 701, thereby improved the rate of utilization.

Please refer to fig. 1, 2, 4 and 5, a welding part is disposed on one side of the push rod 701 close to the elastic part 705 and one side of the sleeve 6 close to the fixing component 5, two ends of the elastic part 705 are respectively welded to the push rod 701 and the sleeve 6 through the welding part, a plurality of sets of ropes are uniformly wound on the outer side of the handrail 503, the number of the ropes is four, and one end of the rope far from the handrail 503 is fixedly connected to the handle 704.

This kind of railway freight car is interior circle detection device for bearing is convenient for concentrate the power of pulling that produces handle 704 together through four groups of ropes that set up to the use of the device main part 1 of being convenient for has improved the rate of utilization, and makes the reset of four group's briquetting 9 and contact piece 10 more simple through the elastic component 705 that sets up, thereby has improved work efficiency.

Please refer to fig. 1, 2, 3, 4 and 5, the number of the sleeve 6 and the fixing blocks 703 is four, one end of the sleeve 6 is provided with a notch, the four fixing blocks 703 are respectively and interactively connected with the sleeve 6 through the notch, one end of the handrail 503 is provided with a bearing seat, the inside of the bearing seat is provided with a bearing, and one end of the handrail 503 is rotatably connected with the fixing cap 504 through the mutual matching of the bearing seat and the bearing.

This kind of railway freight car is interior circle detection device for bearing passes through mutually supporting of bearing frame and bearing, makes handrail 503 and locking cap 504 rotate to be connected to reduce frictional force, and reduced the degree of difficulty of work, make locking cap 504's use simpler.

The working principle is as follows: when the device is used, a bearing to be tested is placed at a designated position, the handrail 503 is extended to the position of the inner ring of the bearing to be tested, then the handrail 503 is rotated clockwise, so that the handrail 503 rotates under the mutual matching of the bearing seat and the bearing, four groups of ropes are contracted and wound, certain pressure is generated on the handle 704 by the ropes, the handle 704 drives the fixing block 703 to move towards one side of the fixing ring 502, the push rod 701 is driven to extend towards the inside of the sleeve 6, the elastic potential energy of the elastic piece 705 is stronger and stronger, so that the distance between two corresponding groups of contact blocks 10 is shorter and shorter, then the electric telescopic rod 4 is extended to the position of the inner ring of the bearing to be tested, then the rotating force on the handrail 503 is released, the contact blocks 10 are reset under the action of the elastic piece 705, and the contact blocks 10 are contacted with the inner ring of the bearing to be tested, then read numerical value through observing scale 702 to the realization is to its inner ring diameter's measurement, and is convenient for adjust the height of backup pad 3 through electric putter 2, thereby is convenient for to the regulation and the support of fixed subassembly 5 height.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a railway freight car is interior circle detection device for bearing, includes device main part (1), its characterized in that: electric putter (2) are installed to the bottom of device main part (1), the bottom of electric putter (2) is provided with counter weight subassembly (11), the top of electric putter (2) all is fixed with backup pad (3), electric telescopic handle (4) are installed to the top side of backup pad (3) one end, the one end that backup pad (3) were kept away from in electric telescopic handle (4) is fixed with fixed subassembly (5), the four corners department in the fixed subassembly (5) outside all is provided with sleeve (6), one side that fixed subassembly (5) were kept away from in sleeve (6) all is provided with measuring component (7), one side that fixed subassembly (5) were kept away from in measuring component (7) all is provided with briquetting (9), one side that sleeve (6) were kept away from in briquetting (9) all is provided with contact block (10).

2. The inner circle detecting device for a rail wagon bearing as defined in claim 1, wherein: the one end of fixed subassembly (5) is provided with spacing ring (501), the outside of spacing ring (501) is provided with solid fixed ring (502), the one end of spacing ring (501) is provided with handrail (503), the one end rotation of spacing ring (501) is connected with locking cap (504), the inboard of solid fixed ring (502) is provided with hole (505).

3. The inner circle detecting device for a rail wagon bearing as defined in claim 1, wherein: one side of measuring subassembly (7) all is provided with push rod (701) that runs through to the inside one side of sleeve (6), the one end that electric putter (2) were kept away from in push rod (701) has all been carved with scale (702), one side that the one end of push rod (701) is close to fixed subassembly (5) all is provided with fixed block (703) that run through to sleeve (6) one end, the one end of fixed block (703) is provided with handle (704), the inside of sleeve (6) all is provided with elastic component (705).

4. The inner circle detecting device for a rail wagon bearing as defined in claim 1, wherein: the bottom of counter weight subassembly (11) is provided with balancing weight (1101), the both sides of balancing weight (1101) all are provided with mounting (1102), card hole (1104) have all been seted up at the top of mounting (1102), the top of card hole (1104) all is provided with and runs through screw rod (1103) to mounting (1102) below.

5. The inner circle detecting device for a rail wagon bearing as defined in claim 3, wherein: one side of the push rod (701) far away from the fixing component (5) is provided with a connecting block (8), and the push rod (701) is fixedly connected with a pressing block (9) through the connecting block (8).

6. The inner circle detecting device for a rail wagon bearing as defined in claim 3, wherein: one side of the push rod (701) close to the elastic piece (705) and one side of the interior of the sleeve (6) close to the fixed component (5) are both provided with welding pieces, and two ends of the elastic piece (705) are respectively connected with the push rod (701) and the sleeve (6) in a welding mode through the welding pieces.

7. The inner circle detecting device for a rail wagon bearing as defined in claim 2, wherein: the outer side of the handrail (503) is uniformly wound with a plurality of groups of ropes, the number of the ropes is four, and one end of each rope, which is far away from the handrail (503), is fixedly connected with the handle (704).

8. The inner circle detecting device for a rail wagon bearing as defined in claim 3, wherein: the number of the sleeves (6) and the number of the fixed blocks (703) are four, one end of each sleeve (6) is provided with a notch, and the four fixed blocks (703) are respectively in interactive connection with the sleeves (6) through the notches.

9. The inner circle detecting device for a rail wagon bearing as defined in claim 2, wherein: one end of the handrail (503) is provided with a bearing seat, the bearing seats are arranged inside the bearing seats, and one end of the handrail (503) is rotatably connected with the fixing cap (504) through the mutual matching of the bearing seats and the bearings.