CN211333027U - 70% low floor vehicle axle box dismounting device - Google Patents

70% low floor vehicle axle box dismounting device Download PDF

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Publication number
CN211333027U
CN211333027U CN201922386577.1U CN201922386577U CN211333027U CN 211333027 U CN211333027 U CN 211333027U CN 201922386577 U CN201922386577 U CN 201922386577U CN 211333027 U CN211333027 U CN 211333027U
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CN
China
Prior art keywords
dismounting
dismantling
axle box
connecting rods
hydraulic pump
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Expired - Fee Related
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CN201922386577.1U
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Chinese (zh)
Inventor
郭一达
马冬梅
王凤英
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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Priority to CN201922386577.1U priority Critical patent/CN211333027U/en
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Abstract

The axle box dismounting device for the 70% low-floor vehicle relates to the technical field of urban railway vehicle bogie maintenance, and comprises a dismounting seat plate, two connecting rods, a plunger hydraulic pump, two long bolts, a dismounting baffle plate and two sliding hammers, wherein the front ends of the two connecting rods are provided with threads, and the two connecting rods sequentially penetrate through two through holes on one diagonal line of the two sliding hammers and the dismounting baffle plate in a one-to-one correspondence manner; the two long bolts penetrate through the two through holes on the other diagonal line of the disassembly baffle in a one-to-one correspondence manner; the cylinder body of plunger hydraulic pump links firmly on the preceding terminal surface of dismantling the baffle, and the rear end face of dismantling the bedplate links firmly at the piston rod front end of plunger hydraulic pump, and the external diameter of dismantling the bedplate equals the external diameter of sealed bearing outer lane. The utility model has the advantages that: by utilizing the dismounting device, the axle box can be quickly disassembled from the bearing under the premise of not damaging the sealing bearing, the overhauling time is shortened, the working strength is reduced, and the overhauling quality is improved. The device simple structure, convenient operation has improved maintenance efficiency greatly.

Description

70%低地板车辆轴箱拆卸装置70% Low Floor Vehicle Axlebox Removal Device

技术领域technical field

本实用新型涉及城铁车辆转向架检修技术领域,具体涉及一种70%低地板车辆轴箱拆卸装置。The utility model relates to the technical field of overhaul of urban railway vehicle bogies, in particular to a 70% low-floor vehicle axle box dismantling device.

背景技术Background technique

轮对轴箱定位装置多应用在轨道车辆转向架系统中,如图1和图2所示,沈阳浑南70%低地板有轨电车的动车转向架轮对轴箱7的定位装置采用密封轴承8,轴箱7的外侧沿密封轴承8外圈圆周设有四个螺纹孔7-1。The wheel set axle box positioning device is mostly used in the rail vehicle bogie system. As shown in Figure 1 and Figure 2, the positioning device of the wheel set axle box 7 of the motor car bogie of the Shenyang Hunnan 70% low-floor tram adopts sealed bearings 8. Four threaded holes 7-1 are provided on the outer side of the axle box 7 along the circumference of the outer ring of the sealed bearing 8.

在转向架架修或大修等分解检修时,须将轴箱7从密封轴承8处分解下车。由于部分轴端处的轴箱7存在锈蚀,拆卸困难。传统拆卸方法是用尼龙锤反复多方向敲打轴箱7,锈蚀多一些的轴箱7,每个拆卸时需要消耗2~3个小时,生产效率低,工作强度大,并且由于受力不均,存在磨损密封轴承8的风险。When the bogie frame is repaired or overhauled, etc., the axle box 7 must be disassembled from the sealed bearing 8 to get off the vehicle. Due to the corrosion of the axle box 7 at part of the shaft end, it is difficult to disassemble. The traditional disassembly method is to use a nylon hammer to repeatedly knock the axle box 7 in multiple directions, and the axle box 7 with more corrosion will consume 2 to 3 hours for each disassembly, with low production efficiency and high work intensity. There is a risk of wear of the sealed bearing 8 .

实用新型内容Utility model content

为了解决现有反复敲打轴箱进行退卸的方法存在退卸费时费力、工作强度大且容易磨损密封轴承的技术问题,本实用新型提供一种70%低地板车辆轴箱拆卸装置。In order to solve the technical problems that the existing method of repeatedly knocking the axle box for unloading is time-consuming and labor-intensive, the work intensity is high, and the sealed bearing is easily worn, the utility model provides a 70% low-floor vehicle axle box dismounting device.

本实用新型解决技术问题所采取的技术方案如下:The technical scheme adopted by the utility model to solve the technical problem is as follows:

70%低地板车辆轴箱拆卸装置,其包括拆卸座板、两个连接杆、柱塞液压泵、两个长螺栓、拆卸挡板和两个滑锤,两个连接杆的前端设有螺纹,两个连接杆一一对应顺次穿过两个滑锤和拆卸挡板一条对角线上的两个通孔;两个长螺栓一一对应穿过拆卸挡板另一条对角线上的两个通孔;柱塞液压泵的缸体固连在拆卸挡板的前端面上,拆卸座板的后端面固连在柱塞液压泵的活塞杆前端,拆卸座板的外径等于密封轴承外圈的外径。A 70% low-floor vehicle axle box removal device, which includes a removal seat plate, two connecting rods, a plunger hydraulic pump, two long bolts, a removal baffle plate and two sliding hammers, the front ends of the two connecting rods are provided with threads, The two connecting rods pass through the two slide hammers and the two through holes on one diagonal of the dismantling baffle in a one-to-one correspondence; the two long bolts pass through the two diagonals on the other diagonal of the disassembling baffle. a through hole; the cylinder body of the plunger hydraulic pump is fixedly connected to the front end face of the dismantling baffle plate, the rear end face of the dismantling seat plate is fixedly connected to the front end of the piston rod of the plunger hydraulic pump, and the outer diameter of the dismantling seat plate is equal to the outer diameter of the sealing bearing. The outer diameter of the circle.

本实用新型的有益效果是:利用该拆卸装置,可以在不损伤密封轴承的前提下,将轴箱快速从轴承处分解下车,缩短了检修时间,降低了工作强度,提高了检修质量。该装置结构简单,操作方便,大大提高了检修效率。The beneficial effects of the utility model are: using the dismounting device, the axle box can be quickly disassembled and dismounted from the bearing without damaging the sealed bearing, which shortens the maintenance time, reduces the work intensity and improves the maintenance quality. The device is simple in structure, convenient in operation, and greatly improves the maintenance efficiency.

附图说明Description of drawings

图1是现有轴箱和密封轴承装配在一起的结构示意图。FIG. 1 is a schematic structural diagram of an existing axle box and a sealed bearing assembled together.

图2是现有轴箱和密封轴承分解后的结构示意图。Fig. 2 is a schematic diagram of the structure of the existing axle box and the sealed bearing after being decomposed.

图3是本实用新型70%低地板车辆轴箱拆卸装置的立体结构示意图。FIG. 3 is a schematic three-dimensional structure diagram of the 70% low-floor vehicle axle box dismantling device of the present invention.

图4是本实用新型70%低地板车辆轴箱拆卸装置的爆炸结构示意图。4 is a schematic diagram of the explosion structure of the 70% low-floor vehicle axle box dismantling device of the present invention.

图5是本实用新型70%低地板车辆轴箱拆卸装置另一视角下的爆炸结构示意图。5 is a schematic diagram of the explosion structure from another perspective of the 70% low-floor vehicle axle box dismantling device of the present invention.

图6是本实用新型70%低地板车辆轴箱拆卸装置的应用结构示意图。6 is a schematic diagram of the application structure of the 70% low-floor vehicle axle box dismantling device of the present invention.

具体实施方式Detailed ways

下面结合附图对本实用新型做进一步详细说明。The present utility model will be further described in detail below in conjunction with the accompanying drawings.

如图3至图5所示,本实用新型的70%低地板车辆轴箱拆卸装置包括:拆卸座板1、两个连接杆2、柱塞液压泵3、两个长螺栓4、拆卸挡板5和两个滑锤6,两个连接杆2的前端设有螺纹,两个连接杆2一一对应顺次穿过两个滑锤6和拆卸挡板5一条对角线上的两个通孔;两个长螺栓4一一对应穿过拆卸挡板5另一条对角线上的两个通孔;柱塞液压泵3的缸体固连在拆卸挡板5的前端面上,拆卸座板1的后端面固连在柱塞液压泵3的活塞杆前端,拆卸座板1的外径等于轴箱7的密封轴承8外圈的外径。As shown in FIGS. 3 to 5 , the 70% low-floor vehicle axle box disassembly device of the present invention includes: disassembling seat plate 1, two connecting rods 2, plunger hydraulic pump 3, two long bolts 4, disassembling baffle plate 5 and two sliding hammers 6, the front ends of the two connecting rods 2 are provided with threads, and the two connecting rods 2 pass through the two sliding hammers 6 and the two connecting rods on a diagonal line of the dismantling baffle 5 in a one-to-one correspondence in sequence. The two long bolts 4 pass through the two through holes on the other diagonal line of the dismantling baffle 5 in one-to-one correspondence; The rear end surface of the plate 1 is fixedly connected to the front end of the piston rod of the plunger hydraulic pump 3 .

如图6所示,本实用新型的70%低地板车辆轴箱拆卸装置使用时,将两个长螺栓4和两个连接杆2的前端一一对应插入轴箱7的四个螺纹孔7-1内,并与轴箱7螺纹连接;启动柱塞液压泵3,使其通过活塞杆给拆卸座板1施加推力,进而通过拆卸座板1施加推力给密封轴承8,同时,通过同频率滑动两个滑锤6以对轴箱7和密封轴承8施加敲打力,这样便可快速将轴箱7从轮对的密封轴承8上分解下来。As shown in FIG. 6 , when the 70% low-floor vehicle axle box dismantling device of the present invention is used, the front ends of the two long bolts 4 and the two connecting rods 2 are inserted into the four threaded holes 7 of the axle box 7 in one-to-one correspondence. 1, and threadedly connected with the axle box 7; start the plunger hydraulic pump 3, so that it applies a thrust to the dismantling seat plate 1 through the piston rod, and then applies a thrust to the sealed bearing 8 through the dismantling seat plate 1, and at the same time, through the same frequency sliding The two sliding hammers 6 apply a beating force to the axle box 7 and the sealed bearing 8, so that the axle box 7 can be quickly disassembled from the sealed bearing 8 of the wheelset.

Claims (1)

1.70% low-floor vehicle axle box dismounting device, which is characterized by comprising a dismounting seat plate (1), two connecting rods (2), a plunger hydraulic pump (3), two long bolts (4), a dismounting baffle (5) and two sliding hammers (6), wherein the front ends of the two connecting rods (2) are provided with threads, and the two connecting rods (2) sequentially penetrate through two through holes on one diagonal of the two sliding hammers (6) and the dismounting baffle (5) in a one-to-one correspondence manner; the two long bolts (4) correspondingly penetrate through the two through holes on the other diagonal line of the dismounting baffle (5) one by one; the cylinder body of plunger hydraulic pump (3) links firmly on the preceding terminal surface of dismantling baffle (5), and the rear end face of dismantling bedplate (1) links firmly at the piston rod front end of plunger hydraulic pump (3), and the external diameter of dismantling bedplate (1) equals the external diameter of sealed bearing (8) outer lane.
CN201922386577.1U 2019-12-26 2019-12-26 70% low floor vehicle axle box dismounting device Expired - Fee Related CN211333027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922386577.1U CN211333027U (en) 2019-12-26 2019-12-26 70% low floor vehicle axle box dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922386577.1U CN211333027U (en) 2019-12-26 2019-12-26 70% low floor vehicle axle box dismounting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112833107A (en) * 2020-12-31 2021-05-25 成都中车四方轨道车辆有限公司 Automatic axle box bearing maintenance line and maintenance method
CN115091176A (en) * 2022-07-25 2022-09-23 中车大连机车车辆有限公司 Locomotive axle box spring dismounting device and dismounting method applied to railway site

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112833107A (en) * 2020-12-31 2021-05-25 成都中车四方轨道车辆有限公司 Automatic axle box bearing maintenance line and maintenance method
CN115091176A (en) * 2022-07-25 2022-09-23 中车大连机车车辆有限公司 Locomotive axle box spring dismounting device and dismounting method applied to railway site

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Granted publication date: 20200825

CF01 Termination of patent right due to non-payment of annual fee