CN206230450U - A kind of quick frock for opening and inspecting railway locomotive axle box bearing - Google Patents

Abstract

A kind of quick frock for opening and inspecting railway locomotive axle box bearing, including locating rod, tubular drawbar and at least 2 hooks；Locating rod one end is installed in the axle center location hole of axletree；Tubular drawbar with diameter greater than positioning shank diameter, it is arranged with the body of rod and drags hammer, two ends fix hook disk and drag hammer backstop respectively, hook disk plane is vertical with tubular drawbar axis, the mounting hole of multiple insertions is provided with along hook disc thickness direction, the center of circle of multiple mounting holes be located at same circle on and adjacent 2 mounting holes between arc length it is equal, drag hammer backstop with diameter greater than the diameter for dragging hammer；Hook includes hook bar, hook bar front end is bent into hook-shaped formation hook head, the size of hook head matches with the size of bearing roller mesopore, and hook shank diameter is less than the size of bearing roller mesopore, and at least 2 hook rod rear ends are symmetrically arranged in 2 mounting holes of hook disk.The utility model can directly change axle box bearing, simplify processing step, improve overhaul efficiency, reduce labour intensity.

Description

A kind of quick frock for opening and inspecting railway locomotive axle box bearing

Technical field

The utility model is related to a kind of quick frock for opening and inspecting railway locomotive axle box bearing, belongs to railway locomotive service technique Field.

Background technology

Railway locomotive axle box bearing be the important component in locomotive running gear system, it is necessary to periodically checked, clean change oil, The work such as flaw detection, measurement or replacing, also need to open and inspect or change when having abnormal sound or too high temperature rise to operating Locomotive Bearing.Tear open Inspection, replacing locomotive axle box bearing are a service works that operating procedure is more, workload is larger, and existing maintenance craft needs handle Locomotive car body is erected, and is released bogie and is decomposed and dismantle axle box bearing again after train wheel and overhauled, and bearing is more finished changing in maintenance Need to also be reassembled according to reverse procedure afterwards, thus result in long between the locomotive shed stopping time, influence locomotive is used, and maintenance workload is larger.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of quick frock for opening and inspecting railway locomotive axle box bearing, Without unwheeling and decomposition bogie, the dismounting of axle box bearing outer ring and roller can be directly carried out, overhaul efficiency is substantially improved, reduced Labour intensity, between shortening the storehouse stopping time of locomotive.

In order to solve the above technical problems, the technical scheme that is used of the utility model for：

A kind of frock for opening and inspecting railway locomotive axle box bearing, including locating rod, tubular drawbar and at least 2 hooks；Positioning Bar one end is installed in the axle center location hole of axletree；Tubular drawbar with diameter greater than positioning shank diameter, on the tubular drawbar body of rod cover It is provided with and drags hammer, two ends fixes hook disk and drag hammer backstop respectively, and hook disk plane is vertical with tubular drawbar axis, thick along hook disk Degree direction is provided with the mounting hole of multiple insertions, and the center of circle of multiple mounting holes is located on same circle and between adjacent 2 mounting holes Arc length it is equal, drag hammer backstop with diameter greater than the diameter for dragging hammer；The hook includes hook bar, and hook bar front end is bent into hook Shape forms hook head, and size and the size of axle box bearing roller mesopore of hook head match, and the diameter of hook bar is less than axle The size of axle box bearing roller mesopore, the hook rod rear end of at least 2 hooks is symmetrically arranged in 2 mounting holes of hook disk.

The axle center location hole of a kind of above-mentioned frock for opening and inspecting railway locomotive axle box bearing, the positioning rod axis and axletree Axis overlaps；Described to drag for gap coordinates between hammer and tubular drawbar, the hook disk is circle, and its center of circle is located at tubular drawbar Axis on；The center of circle of the multiple mounting hole be located at and the concentric same circle in the hook disk center of circle on, the diameter of a circle and axle Diameter of a circle where the center of circle of axle box bearing roller mesopore is identical；The hook pole length and axle box bearing side to axle box side Ultimate range sum expose the length of axle end face less than locating rod；The hook rod rear end of at least 2 hooks is symmetrically pacified In 2 mounting holes loaded on hook disk, 2 mounting hole sites are in the two ends of the same diameter of circle residing for the mounting hole center of circle.

A kind of above-mentioned frock for opening and inspecting railway locomotive axle box bearing, the hook bar is to be threadedly coupled with hook disk, hook Hook locator card is fixed with the body of rod of claw bar, hook locator card is made up of 2 metallic rods, shape is fixed in 2 one end of metallic rod Into an acute triangle for opening, vertex of a triangle fixes with the body of rod of hook bar, plane residing for 2 metallic rods perpendicular to Hook bar；2 metallic rods are arranged in locating rod and are in close contact with positioning club shaft.

Application method of the present utility model is：

First, axle box cover and bearing axial direction Sealing shield ring are directly opened, using car lifting J-Horner or jack by bogie and car body Lift slightly, the axle box bearing for dismantling needs is not subjected to pressure, that is, torn open bearing roller is in the state that can all stir；So At least 2 front end hook heads of hook are stretched into 90 ° of rotation in bearing by bearing roller mesopore afterwards and hooks retainer Medial surface, locating rod is installed in the axle center location hole of axletree, and is stuck in locating rod bar by the hook locator card on hook Enable hook head hook retainer all the time on body not to be rotated further by, then tubular drawbar is sheathed on along the one end for installing hook disk In locating rod, the end of hook bar is connected through a screw thread with the mounting hole on hook disk, adjustable hook claw bar length makes at least 2 The length of hook bar is identical, it is ensured that each hook uniform force, then frequently, quick movement drag hammer shock to drag hammer backstop until handle Bearing outer ring and roller are hauled out, and realize the purpose of dissembling inspection bearing；Bearing after cleaning, passed examination is direct in this case Install.Because the ultimate range sum of hook pole length and axle box bearing side to axle box side exposes car less than locating rod The length of axial end, it is ensured that in dilatory bearing outer ring and roller, hook locator card is moved simultaneously hook on the securing lever all the time Be fastened in locating rod, will not depart from from locating rod, so as to realize the good location of hook, be easy to hook to bearing outer ring and The force of roller.

The beneficial effects of the utility model are：

The complicated maintenance craft that diesel locomotive axle box bearing is opened and inspect is optimized for directly dismantling bearing, nothing by the utility model Need unwheeling to decompose bogie, without dismantling wheel pair with the connection of bogie with regard to replaceable axle box bearing, simplify processing step, greatly Width improves overhaul efficiency, reduces labour intensity, between the storehouse stopping time for shortening locomotive, improves locomotive operation efficiency.

Brief description of the drawings

Fig. 1 installs and uses schematic diagram for the utility model；

Fig. 2 is the A-A direction views of Fig. 1；

Fig. 3 is the B-B direction view of Fig. 1；

Marked in figure：Locating rod 1, tubular drawbar 2, axle center location hole 3, drag hammer 4, hook disk 5, drag hammer backstop 6, install Hole 7, hook bar 8, hook first 9, bearing roller mesopore 10, hook locator card 11, retainer 12, bearing outer ring 13, axle Hold roller 14, axletree 15, train wheel 16, axle box 17.

Specific embodiment

Fig. 1~Fig. 3 shows, a kind of frock for opening and inspecting railway locomotive axle box bearing of the utility model, including locating rod 1, cylinder Shape drawbar 2 and 2 hooks；One end of locating rod 1 is installed in the axle center location hole 3 of axletree 15, the axis and axletree of locating rod 1 The axis of 15 axle center location hole 3 overlaps；The diameter with diameter greater than locating rod 1 of tubular drawbar 2, is easy to locating rod 1 in tubular Moved in drawbar 2；It is arranged with the body of rod of tubular drawbar 2 and drags hammer 4, is dragged for gap coordinates between hammer 4 and tubular drawbar 2, tubular Hammer backstop 6 fixed circle hook disk 5 and is dragged in the two ends of drawbar 2 respectively, drags hammer 4 in hook disk 5 and drags between hammer backstop 6, hook Plane is vertical with the axis of tubular drawbar 2 residing for pawl disk 5, and the center of circle of hook disk 5 is located on the axis of tubular drawbar 2；Along hook The thickness direction of disk 5 is provided with 8 mounting holes of insertion, 7,8 centers of circle of mounting hole 7 and is located at and concentric same in the center of circle of hook disk 5 On individual circle, the arc length between adjacent 2 mounting holes 7 is equal, the bearing of the diameter of a circle residing for the center of circle of mounting hole 7 and axle box 17 Diameter of a circle where the center of circle of roller mesopore 10 is identical；Drag hammer backstop 6 with diameter greater than drag hammer 4 diameter；Hook includes hook Claw bar 8, the front end of hook bar 8 is bent into hook-shaped formation hook first 9, the size of hook first 9 and the bearing roller gap of axle box 17 The size in hole 10 matches, the size of the diameter less than the bearing roller mesopore 10 of axle box 17 of hook bar 8, facilitates hook first 9 Can put in bearing roller mesopore 10 and hook first 9 can be made to catch on 12,2 hooks of retainer during rotary hook claw bar 8 Hook bar 8 rear end with 2 mounting holes 7 that hook disk 5 is symmetrically arranged in the form of being threadedly coupled, 2 mounting holes 7 In the two ends of the same diameter of circle residing for the center of circle of mounting hole 7, it is ensured that the equilibrium that 2 hooks exert a force to retainer 12； The length of hook bar 8 exposes axletree with the bearing side of axle box 17 to the ultimate range sum of the side of axle box 17 less than locating rod 1 The length of 15 end faces；Hook locator card 11 is further fixed on the body of rod of hook bar 8, hook locator card 11 is made up of 2 metallic rods, One end of 2 metallic rods is fixedly connected to form an acute triangle for opening, and vertex of a triangle is consolidated with the body of rod of hook bar 8 Fixed, plane is perpendicular to hook bar 8 residing for 2 metallic rods；The body of rod that 2 metallic rods are arranged in locating rod 1 with locating rod 1 is tight Contact.

Application method of the present utility model is：

First, axle box cover and bearing axial direction Sealing shield ring are directly opened, using car lifting J-Horner or jack by bogie and car body Lift slightly, the axle box bearing for dismantling needs is not subjected to pressure, that is, torn open bearing roller 13 is in the state that can all stir； Then at least 2 front end hooks of hook first 9 are stretched into 90 ° of rotation in bearing by bearing roller mesopore 10 and hooks bearing guarantor The medial surface of frame 12 is held, locating rod 1 is installed in the axle center location hole 3 of axletree 15, and by the hook locator card 11 on hook Being stuck on the body of rod of locating rod 1 enables hook first 8 to hook retainer 12 all the time not to be rotated further by, then by tubular drawbar 2 along peace One end of setting hook pawl disk 5 is sheathed in locating rod 1, and the mounting hole 7 on 2 ends of hook bar 8 and hook disk 5 is passed through into screw thread Connection, rotary hook claw bar 8 makes the length of 2 hook bars identical, it is ensured that each hook uniform force, then frequently, quickly moves Drag hammer 4 to clash into and drag hammer backstop 6 until bearing outer ring 13 and bearing roller 14 are hauled out, realize the purpose of dissembling inspection bearing；Clearly Wash, the bearing after passed examination is mounted directly in this case.Due to the length and the bearing side of axle box 17 of hook bar 8 Ultimate range sum to the side of axle box 17 exposes the length of the end face of axletree 15 less than locating rod 1, it is ensured that hook is dilatory When bearing outer ring 13 and bearing roller 14, hook locator card 11 is moved in locating rod 1 and is fastened in locating rod 1 all the time, no Can depart from from locating rod 1, so as to realize the good location of hook, be easy to hook applying to bearing outer ring 13 and bearing roller 14 Power.

In 8 mounting holes 7 of the utility model hook disk 5 can hold-down hook claw bar 8, can more quickly bearing outer ring 13 and bearing roller 14 haul out.

Claims (3)

1. a kind of frock for opening and inspecting railway locomotive axle box bearing, it is characterised in that：It includes locating rod（1）, tubular drawbar（2）With At least 2 hooks；Locating rod（1）One end be installed on axletree（15）Axle center location hole（3）In；Tubular drawbar（2）Diameter More than locating rod（1）Diameter, tubular drawbar（2）The body of rod on be arranged with and drag hammer（4）, tubular drawbar（2）Two ends it is solid respectively Determine hook disk（5）With drag hammer backstop（6）, hook disk（5）Residing plane and tubular drawbar（2）Axis it is vertical, along hook disk（5） Thickness direction be provided with the mounting hole of multiple insertions（7）, multiple mounting holes（7）The center of circle be located at same circle on and it is adjacent 2 Mounting hole（7）Between arc length it is equal, drag hammer backstop（6）With diameter greater than dragging hammer（4）Diameter；The hook includes hook bar （8）, hook bar（8）Front end be bent into it is hook-shaped formation hook head（9）, hook head（9）Size and axle box（17）Bearing rolling Intercolumniation lyriform pore（10）Size match, hook bar（8）Diameter be less than axle box（17）Bearing roller mesopore（10）Chi It is very little, at least 2 hook bars of hook（8）Rear end be symmetrically arranged on hook disk（5）2 mounting holes（7）In.

2. a kind of frock for opening and inspecting railway locomotive axle box bearing as claimed in claim 1, it is characterised in that：The locating rod （1）Axis and axletree（15）Axle center location hole（3）Axis overlap；It is described to drag hammer（4）With tubular drawbar（2）Between be between Gap coordinates, the hook disk（5）It is circle, its center of circle is located at tubular drawbar（2）Axis on；The multiple mounting hole（7）'s The center of circle is located at and hook disk（5）The concentric same circle in the center of circle on, the diameter of a circle and axle box（17）Bearing roller gap Hole（10）The center of circle where diameter of a circle it is identical；The hook bar（8）Length and axle box（17）Bearing side to axle box （17）Side ultimate range sum be less than locating rod（1）Expose axletree（15）The length of end face；At least 2 hooks Hook bar（8）Rear end be symmetrically arranged on hook disk（5）2 mounting holes（7）In, 2 mounting holes（7）Positioned at mounting hole （7）The center of circle residing for circle same diameter two ends.

3. a kind of frock for opening and inspecting railway locomotive axle box bearing as claimed in claim 1 or 2, it is characterised in that：The hook Bar（8）With hook disk（5）It is threaded connection, hook bar（8）The body of rod on be fixed with hook locator card（11）, hook locator card （11）It is made up of 2 metallic rods, the acute triangle to form an opening, vertex of a triangle are fixed in one end of 2 metallic rods With hook bar（8）The body of rod fix, plane is perpendicular to hook bar residing for 2 metallic rods（8）；2 metallic rods are arranged in locating rod （1）Upper and locating rod（1）The body of rod be in close contact.