Spline housing hobbing clamping device for track brake

Abstract

The utility model relates to the technical field of spline housing hobbing clamping devices, and discloses a spline housing hobbing clamping device for a track brake, which comprises a mandrel mechanism, a clamping mounting mechanism, a hobbing spline housing, a compression nut, a retreating nut and a lubricating mechanism, the mandrel mechanism comprises a mandrel main body, the left end of the mandrel main body is fixedly connected with a first connecting section, and the right end of the mandrel main body is fixedly connected with a second connecting section; a conical section is fixedly connected to the right side face of the mandrel body, a third connecting section is fixedly connected to the right side face of the conical section, a plurality of overflow holes are formed in the outer surface of the conical section, inner containing cavities of the overflow holes are communicated with the oil storage tank, and filter screens are fixedly connected to the inner walls of openings in the two ends of the overflow holes. An overflow hole is filled in an inner cavity of the overflow hole between the two filter screens; through the cooperation of the structure, when the hobbing spline housing and the conical section are clamped, friction and abrasion are reduced, and the service life of the hobbing spline housing is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spline sleeve hobbing clamping device technical field, specifically for a spline sleeve hobbing clamping device for rail brake. BACKGROUND

[0002] The spline sleeve of the rail brake is an important part connecting the brake and the brake frame, and bears the function of fixing the brake. When the brake is running, the spline sleeve can effectively reduce friction and vibration, and ensure the stable operation of the brake.

[0003] The utility model discloses a spline sleeve hobbing clamping device for tower crane motor brake, including the mandrel, the mandrel one end is equipped with the clamping installation structure and is used for with machine tool installation fixed, the mandrel includes the taper section in the middle of the other end, the taper section is matched with the taper installation hole of the spline sleeve to be hobbed, and after the spline sleeve is installed on the taper section, the big end face of the taper installation hole on the spline sleeve can be located on the outside of the big end face of the taper section, the mandrel still includes the threaded section that is connected with the big end of the taper section, and the threaded nut is threadedly connected on the threaded section, and the end face of the threaded nut can be supported on the end face of the spline sleeve, and the nut anti-rotation structure is further arranged between the threaded section and the threaded nut to limit the rotation of the threaded nut, the mandrel is further provided with the compression structure, and the compression structure includes the compression force applying end, and the compression force applying end can abut on the outer end face of the spline sleeve and apply the inward thrust to it.

[0004] In the process of implementing the present application, it is found that the technology has the following problems: In the above patent document, when the taper section and the spline sleeve to be hobbed are connected, since there is no corresponding lubricating mechanism, the taper section of the mandrel and the spline sleeve to be hobbed are in frictional contact, and if there is no lubricating oil, it will directly lead to an increase in the friction coefficient between the two, aggravating wear. No oil friction will generate a large amount of heat, causing the temperature of the contact part to rise, which may cause material thermal deformation or thermal fatigue, further affecting the precision and stability of the spline sleeve. Long-term use will significantly reduce the service life of the spline sleeve and the mandrel.

[0005] Therefore, a spline sleeve hobbing clamping device for a rail brake is proposed. Utility model content

[0006] The utility model aims at: in order to can when carrying out hobbing spline sleeve and taper section in clamping clamping, reduce friction and wear, improve the service life of hobbing spline sleeve, provide a spline sleeve hobbing clamping device for rail brake.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] The utility model provides a spline sleeve hobbing clamping device for rail brake, including core shaft mechanism, clamping installation mechanism, hobbing spline sleeve, compression nut, unloading nut and lubricating mechanism, the core shaft mechanism includes core shaft main part, the left end fixed connection of core shaft main part has connection section no.

[0009] The hobbing spline sleeve includes a tapered groove, the inside of the tapered groove is provided with a tapered groove, and the inner surface of the tapered groove is sleeved with the outer surface of the tapered section.

[0010] The clamping installation mechanism includes a seat plate, the right side of the seat plate is fixedly connected with a sleeve, and the inner surface of the sleeve is sleeved with the outer surface of the connection section one.

[0011] The lubricating mechanism includes an oil box, the oil box is fixedly connected to the upper surface of the sleeve, the upper surface of the oil box is provided with an oil inlet, the bottom end internal cavity of the oil box is communicated with an oil guide pipe, the end of the oil guide pipe away from the oil box penetrates through the inside of the connection section one and is communicated with the oil storage groove, and the end of the oil guide pipe close to the oil box is provided with a valve.

[0012] In a preferred utility model, the outer surface of the seat plate is provided with a through hole.

[0013] In a preferred utility model, the outer surface of the end of the connection section two away from the connection section one is threadedly connected with a locking nut after penetrating through the seat plate.

[0014] In a preferred utility model, the outer surface of the core shaft main part is provided with a threaded block, the outer surface of the threaded block is threadedly connected with the unloading nut, and the right side of the unloading nut is abutted with the left side of the hobbing spline sleeve.

[0015] In a preferred utility model, the outer surface of the connection section three is threadedly connected with the compression nut, the right side of the compression nut is fixedly connected with a pressing plate, and the right side of the pressing plate is abutted with the left side of the hobbing spline sleeve.

[0016] In a preferred utility model, the end of the connection section three away from the tapered section is movably penetrated through the tapered groove and extended to the outside.

[0017] To sum up, due to the adoption of the above technical scheme, the beneficial effects of the present application are as follows:

[0018] In the utility model, when the taper groove of the hobbing spline sleeve and the taper section on the mandrel mechanism are clamped and fastened, the oil box can be added with lubricating oil through the oil inlet and the valve is opened, at this time, the lubricating oil can enter the oil storage groove through the oil guide pipe, the lubricating oil in the oil storage groove can flow to the overflow hole through the filter screen, and slowly soak the sponge block, at this time, the overflow lubricating oil can flow to the outer surface of the taper section, when the taper groove and the hobbing spline sleeve are clamped and fastened with the taper section, the lubricating oil can enhance the sliding effect, through the cooperation of the above structure, when the hobbing spline sleeve and the taper section are clamped and fastened, the friction and wear can be reduced, and the service life of the hobbing spline sleeve is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is an enlarged view of A in the utility model; Figure 1

[0021] Figure 3 It is an enlarged view of B in the utility model. Figure 1

[0022] Marked in the drawing: 1 - mandrel mechanism, 2 - clamping installation mechanism, 3 - hobbing spline sleeve, 4 - compression nut, 5 - unloading nut, 6 - lubricating mechanism, 10 - overflow hole, 11 - mandrel main body, 12 - connecting section two, 13 - connecting section one, 14 - oil storage groove, 15 - connecting section three, 16 - threaded block, 17 - filter screen, 18 - sponge block, 19 - taper section, 21 - seat plate, 22 - through hole, 23 - sleeve, 24 - locking nut, 31 - taper groove, 41 - pressing plate, 61 - oil box, 62 - oil inlet, 63 - oil guide pipe, 64 - valve. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] The embodiments of the utility model will be described in detail below. Figures 1-3 The spline sleeve hobbing clamping device for a rail brake will be described in detail. ​​

[0025] Referring to Figures 1-3 , Embodiments

[0026] Referring to Figures 1-3 A spline sleeve hobbing clamping device for rail brakes comprises a mandrel mechanism 1, a clamping installation mechanism 2, a hobbing spline sleeve 3, a pressing nut 4, a dismounting nut 5 and a lubricating mechanism 6. The mandrel mechanism 1 comprises a mandrel main body 11, the left end of which is fixedly connected with a connecting section one 13, the left side of the connecting section one 13 is fixedly connected with a connecting section two 12, the right side of the mandrel main body 11 is fixedly connected with a conical section 19, the right side of the conical section 19 is fixedly connected with a connecting section three 15. The hobbing spline sleeve 3 comprises a conical groove 31, the inside of which is provided with a conical groove 31, the inner surface of the conical groove 31 is sleeved with the outer surface of the conical section 19. The outer surface of the connecting section three 15 is threadedly connected with the pressing nut 4, the right side of the pressing nut 4 is fixedly connected with a pressing plate 41, the right side of the pressing plate 41 abuts against the left side of the hobbing spline sleeve 3, and the end of the connecting section three 15 away from the conical section 19 extends to the outside after being movably passed through the conical groove 31. The outer surface of the mandrel main body 11 is provided with a threaded block 16, the outer surface of the threaded block 16 is threadedly connected with the dismounting nut 5, and the right side of the dismounting nut 5 abuts against the left side of the hobbing spline sleeve 3. Specifically, when the device is used, after the hobbing spline sleeve 3 is sleeved on the outer surface of the conical section 19, the dismounting nut 5 is moved to the right on the outer surface of the threaded block 16 by rotating it, so as to abut against the hobbing spline sleeve 3, and the pressing plate 41 is slowly moved to the left by rotating the pressing nut 4, so as to abut against the right side of the hobbing spline sleeve 3, thereby achieving clamping and tightening of the hobbing spline sleeve 3.

[0027] The inside of the conical section 19 is provided with an oil storage groove 14, and the outer surface of the conical section 19 is provided with a plurality of overflow holes 10, the internal cavities of the overflow holes 10 are in communication with the oil storage groove 14, the overflow holes 10 are fixedly connected with filter screens 17 at the inner walls of the two openings of the overflow holes 10, and the internal cavities of the overflow holes 10 between the two filter screens 17 are filled with overflow holes 10; the clamping mounting mechanism 2 comprises a seat plate 21, the right side surface of the seat plate 21 is fixedly connected with a sleeve 23, the outer surface of the seat plate 21 is provided with a through hole 22, the outer surface of the end of the connecting section two 12 away from the connecting section one 13 is threadedly connected with a locking nut 24 after penetrating through the seat plate 21, and the inner surface of the sleeve 23 is sleeved with the outer surface of the connecting section one 13; the lubricating mechanism 6 comprises an oil box 61, the oil box 61 is fixedly connected to the upper surface of the sleeve 23, the upper surface of the oil box 61 is provided with an oil inlet 62, the internal cavity of the bottom end of the oil box 61 is communicated with an oil guide pipe 63, one end of the oil guide pipe 63 away from the oil box 61 is in communication with the oil storage groove 14 after penetrating through the inside of the connecting section one 13, and the outer surface of the end of the oil guide pipe 63 close to the oil box 61 is provided with a valve 64; specifically, when the hobbing spline sleeve 3 is slowly sleeved on the conical section 19, lubricating oil can be added to the inside of the oil box 61 through the oil inlet 62 and the valve 64 is opened, at this time, the lubricating oil can enter the inside of the oil storage groove 14 through the oil guide pipe 63, the lubricating oil in the inside of the oil storage groove 14 will flow to the inside of the overflow hole 10 through the filter screen 17, and slowly soak the sponge block 18, at this time, the overflow lubricating oil will flow to the outer surface of the conical section 19, when the taper groove 31 and the hobbing spline sleeve 3 are clamped and tightened with the conical section 19, the lubricating oil can enhance the sliding effect; through the cooperation of the above structure, the friction and wear can be reduced when the hobbing spline sleeve 3 and the conical section 19 are clamped and tightened, and the service life of the hobbing spline sleeve 3 is improved.

[0028] The implementation principle of the spline sleeve hobbing clamping device for rail brake is as follows:

[0029] When the device is used, after the hobbing spline sleeve 3 is sleeved on the outer surface of the conical section 19, the unloading nut 5 is rotated to move rightwards on the outer surface of the threaded block 16 so as to abut against the hobbing spline sleeve 3, and the pressing nut 4 is rotated to move the pressing plate 41 leftwards slowly so as to abut against the right side surface of the hobbing spline sleeve 3, thereby realizing the clamping and tightening of the hobbing spline sleeve 3.

[0030] When the hobbing spline sleeve 3 is slowly sleeved on the tapered section 19, the valve 64 is opened and the oil box 61 is filled with lubricating oil through the oil inlet 62, the lubricating oil enters the oil storage groove 14 through the oil guide pipe 63, the lubricating oil in the oil storage groove 14 flows to the overflow hole 10 through the filter screen 17, and slowly soaks the sponge block 18, at this time, the overflow lubricating oil flows to the outer surface of the tapered section 19, when the tapered groove 31 and the hobbing spline sleeve 3 are clamped and clamped with the tapered section 19, the lubricating oil can enhance the sliding effect; through the cooperation of the above structure, the friction and wear can be reduced when the hobbing spline sleeve 3 and the tapered section 19 are clamped and clamped, and the service life of the hobbing spline sleeve 3 is improved.

[0031] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A spline sleeve hobbing clamping device for rail brakes, comprising a mandrel mechanism (1), a clamping installation mechanism (2), a hobbing spline sleeve (3), a pressing nut (4), a dismounting nut (5) and a lubricating mechanism (6), characterized in that: The core shaft mechanism (1) includes a core shaft body (11), the left end of the core shaft body (11) is fixedly connected with a connecting section one (13), the left side of the connecting section one (13) is fixedly connected with a connecting section two (12), the right side of the core shaft body (11) is fixedly connected with a tapered section (19), the right side of the tapered section (19) is fixedly connected with a connecting section three (15), the inside of the tapered section (19) is provided with an oil storage groove (14), the outer surface of the tapered section (19) is provided with a plurality of overflow holes (10), the inside cavity of the overflow hole (10) is communicated with the oil storage groove (14), the both end opening inner wall of the overflow hole (10) is fixedly connected with a filter screen (17), the inside cavity of the overflow hole (10) between the two filter screens (17) is filled with overflow holes (10). The hobbing spline sleeve (3) includes a tapered groove (31), the inside of the tapered groove (31) is provided with a tapered groove (31), and the inner surface of the tapered groove (31) is sleeved with the outer surface of the tapered section (19). The clamping mounting mechanism (2) includes a seat plate (21), the right side of the seat plate (21) is fixedly connected with a sleeve (23), and the inner surface of the sleeve (23) is sleeved with the outer surface of the connecting section one (13). The lubricating mechanism (6) includes an oil box (61), the oil box (61) is fixedly connected to the upper surface of the sleeve (23), the upper surface of the oil box (61) is provided with an oil inlet (62), the bottom end inside cavity of the oil box (61) is communicated with an oil guide pipe (63), one end of the oil guide pipe (63) away from the oil box (61) penetrates through the inside of the connecting section one (13) and is communicated with the oil storage groove (14), and the outer surface of one end of the oil guide pipe (63) close to the oil box (61) is provided with a valve (64).

2. A spline sleeve gear hobbing fixture for rail brakes as claimed in claim 1, characterized in that: The outer surface of the seat plate (21) is provided with a through hole (22) which is symmetrically arranged.

3. A spline sleeve gear hobbing fixture for rail brakes as defined in claim 2 wherein: The outer surface of one end of the connecting section two (12) away from the connecting section one (13) penetrates through the seat plate (21) and is threadedly connected with a locking nut (24).

4. A spline sleeve gear hobbing fixture for rail brakes as defined in claim 1 wherein: The outer surface of the core shaft body (11) is provided with a threaded block (16), the threaded block (16) is threadedly connected with the dismounting nut (5), and the right side of the dismounting nut (5) is abutted with the left side of the hobbing spline sleeve (3).

5. A spline sleeve gear hobbing fixture for rail brakes as defined in claim 1 wherein: The outer surface of the connecting section three (15) is threadedly connected with the pressing nut (4), the right side of the pressing nut (4) is fixedly connected with a pressing plate (41), and the right side of the pressing plate (41) is abutted with the left side of the hobbing spline sleeve (3).

6. A spline sleeve gear hobbing fixture for rail brakes as defined in claim 5 wherein: One end of the connecting section three (15) away from the tapered section (19) movably penetrates through the tapered groove (31) and extends to the outside.

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