CN104466785A - Fixing structure for tailstock of traction machine and traction machine - Google Patents

Fixing structure for tailstock of traction machine and traction machine Download PDF

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Publication number
CN104466785A
CN104466785A CN 201410658766 CN201410658766A CN104466785A CN 104466785 A CN104466785 A CN 104466785A CN 201410658766 CN201410658766 CN 201410658766 CN 201410658766 A CN201410658766 A CN 201410658766A CN 104466785 A CN104466785 A CN 104466785A
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China
Prior art keywords
shaft
tailstock
shaft section
tractor
hole
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CN 201410658766
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Chinese (zh)
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CN104466785B (en
Inventor
李健
晏飞
金海明
席东升
李富
孟庆龙
刘畅
陈汇
陈佳
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国家电网公司
北京送变电公司
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Publication of CN104466785A publication Critical patent/CN104466785A/en
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Publication of CN104466785B publication Critical patent/CN104466785B/en

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Abstract

The invention relates to a fixing structure for a tailstock of a traction machine and the traction machine. The fixing structure for the tailstock of the traction machine comprises the tailstock, a center shaft and a fixing device, wherein a through hole is formed in the tailstock, the center shaft comprises two shaft sections, namely the first shaft section and the second shaft section, the diameter of the first shaft section is larger than the diameter of the second shaft section, the fixing device is used for fixing the center shaft and the tailstock, the diameter of the through hole is matched with the diameter of the second shaft section and is smaller than the diameter of the first shaft section, the second shaft section stretches into the through hole and extends out of the through hole, the fixing device comprises at least one locking nut, the locking nut is in threaded connection with the second shaft section so that the tailstock can be located between the locking nut and the first shaft section, and the center shaft and the tailstock are fixed through the locking nut. According to the fixing structure for the tailstock of the traction machine and the traction machine, the problem of breakage of a fixing bolt in the prior art is solved, and the working reliability of the tailstock of the traction machine is improved.

Description

牵引机尾架固定结构及牵引机 Tailstock tractor and tractor fixing structure

技术领域 FIELD

[0001] 本发明涉及一种机械结构,尤其涉及一种牵引机尾架固定结构及牵引机。 [0001] The present invention relates to a mechanical structure, particularly to a fixing structure tailstock tractor and tractor.

背景技术 Background technique

[0002] 牵引机是输电线路施工的核心设备,负责将导线带一定张力在腾空状态下展放。 [0002] is the core equipment tractor transmission line construction, the wire with some responsible Under Tension in vacated state. 牵引机尾架装置负责将牵引绳紧密排列、缠绕在尾轮上。 Tailstock tractor means arranged closely responsible for pulling rope wound on the tail wheel. 牵引机尾架装置的工作过程为:参见图1,液压泵(图1中未示出)通过链条传动带动尾轴4转动,尾轴4通过挡块2带动导弓丨绳盘3转动从而收紧牵引绳。 Tailstock tractor during operation of apparatus: Referring to Figure 1, a hydraulic pump (not shown in FIG. 1) driven by a chain drive end of the shaft 4 rotates, the end of shaft 4 is driven by the stopper 2 Shu rope guide arch 3 so as to close the disk rotation tight leash. 其中,尾架I与尾轴4的一端通过挡轴块5连接,另一端架在中轴7的U型槽结构6中(如图2所示),并通过螺纹连接。 Wherein, the tail end of tailstock I stopper shaft 4 by a shaft block 5, and the other end of the U-shaped grooves in the frame structure of the axis 7 6 (FIG. 2), and by a threaded connection.

[0003] 现有技术通常采用压盖将中轴固定在尾架上。 [0003] The prior art generally employ gland axis fixed tailstock. 如图1所示,中轴7伸入尾架I上的通孔。 1, the axis extending into the through holes 7 on the I tailstock. 压盖8通过螺栓将所述中轴7伸入至所述尾架I中的一段固定在尾架中。 A section of the lid 8 to the axis 7 extends into the tail boom I is fixed to the end bracket by a bolt. 采用现有技术的这种固定结构,牵引机在工作过程中,当尾架换上新的导引绳盘或导引绳盘上缠绕导引绳较少时,导引绳盘较轻,尾轴径向摆动较强,尾轴径向摆动带动尾架中轴径向摆动,中轴与尾架连接螺栓受到剪切力,极易发生断裂,降低牵引机尾架的工作可靠性。 This prior art uses a fixed structure, the tractor during operation, when put on the tailstock new rope guide rope or guide disc tray when the guide cable is wound less rope guide plate light, tail strong axial and radial swinging, the swing end of the driven shaft diameter tailstock radial pivot axis, with the axis of tailstock connecting bolts shear force, easily broken, reducing the reliability of the tractor tailstock.

发明内容 SUMMARY

[0004] 本发明的主要目的在于,提供一种新型结构的牵引机尾架固定结构及牵引机,以提高其工作可靠性。 [0004] The main object of the present invention is to provide a novel configuration of a tractor and tailstock tractor fixing structure, to improve its reliability.

[0005] 本发明的目的及解决其技术问题是采用以下技术方案来实现的。 [0005] objects and to solve the technical problem of the invention is achieved by the following technical solutions.

[0006] 本发明第一个方面,提出了一种牵引机尾架固定结构,包括: [0006] The first aspect of the present invention proposed a tractor tailstock fixing structure, comprising:

[0007] 尾架,所述尾架上设有通孔; [0007] tailstock the tailstock provided with a through hole;

[0008] 中轴,所述中轴包括有两段轴段,分别为第一轴段和第二轴段,所述第一轴段的轴径大于所述第二轴段的轴径; [0008] axis, the central axis comprising two shaft sections, namely a first shaft section and a second shaft section, the shaft diameter of the first shaft section is greater than the shaft diameter of the second shaft section;

[0009] 固定装置,用于固定所述中轴和所述尾架,以保持所述中轴与所述尾架之间的位置关系; [0009] The fixing means for fixing the central axis of the tailstock and to maintain the positional relationship between the central axis of the tail boom;

[0010]其中, [0010] wherein,

[0011] 所述通孔的孔径与所述第二轴段的轴径相适配,且小于所述第一轴段的轴径; [0011] The passage hole and the shaft diameter is adapted to the second shaft section, and smaller than the shaft diameter of the first shaft section;

[0012] 所述第二轴段伸入所述通孔并从所述通孔中穿出; [0012] The second shaft section extending into the through hole and out from the through hole;

[0013] 所述固定装置包括至少一个锁紧螺母,所述锁紧螺母与所述第二轴段螺纹连接,以使所述尾架处于所述锁紧螺母与所述第一轴段之间,并通过所述锁紧螺母将所述中轴与所述尾架固定。 [0013] The fixing means comprises at least one lock nut, the lock nut with the threaded second shaft section, so that the tail boom is in said lock nut and between said first shaft section , and is fixed by the lock nut with the central axis of the tail boom.

[0014] 可选的,前述的牵引机尾架固定结构,其中,当所述固定装置包括有两个或两个以上的所述锁紧螺母时,所述固定装置还包括:止退垫圈; [0014] Alternatively, the tractor tailstock fixing structure, wherein, when said fixing means comprises two or more of said locking nut, said fixing means further comprising: a retaining washer;

[0015] 所述止退垫圈设置在两相邻锁紧螺母之间。 [0015] The retaining washer disposed between two adjacent lock nut.

[0016] 可选的,前述的牵引机尾架固定结构,其中,所述固定装置还包括:压盖; [0016] Alternatively, the tractor tailstock fixed structure, wherein said securing means further comprises: a gland;

[0017] 所述压盖通过螺栓固定在所述第二轴段的端部。 [0017] The lid is bolted through the end of the second shaft section.

[0018] 可选的,前述的牵引机尾架固定结构,其中,所述压盖上沿周向均布有三个螺栓孔; [0018] Alternatively, the tractor tailstock fixed structure, wherein the gland on three bolt holes are evenly distributed circumferentially;

[0019] 所述第二轴段的端部设有对应的螺栓孔; End [0019] The second shaft section is provided with corresponding bolt holes;

[0020] 所述压盖通过三个螺栓固定在所述第二轴段的端部。 [0020] The end portion of the lid is fixed by three screws according to the second shaft section.

[0021] 可选的,前述的牵引机尾架固定结构,其中,所述第一轴段为中空轴段,所述中空轴段的侧壁上开有豁口,所述豁口将所述中空轴段的中空内腔与外部连通。 [0021] Alternatively, the tractor tailstock fixed structure, wherein said first shaft section is a hollow shaft segment, with a gap open on the side wall section of the hollow shaft, the hollow shaft of said cutout the hollow interior in communication with the outside section.

[0022] 可选的,前述的牵引机尾架固定结构,其中,所述第二轴段中设有轴孔,所述轴孔的孔径小于所述第一轴段的中空内腔的腔径。 [0022] Alternatively, the tractor tailstock fixed structure, wherein the second shaft section is provided with a shaft hole, the shaft hole diameter is smaller than the hollow interior cavity of the first shaft section diameter .

[0023] 本发明第二个方面,提出了一种牵引机,所述牵引机包括牵引机尾架固定结构;其中,所述牵引机尾架固定结构包括: [0023] A second aspect of the present invention proposed a tractor, the tractor comprising a tractor tailstock fixed structure; wherein said traction machine tailstock fixing structure comprising:

[0024] 尾架,所述尾架上设有通孔; [0024] tailstock the tailstock provided with a through hole;

[0025] 中轴,所述中轴包括有两段轴段,分别为第一轴段和第二轴段,所述第一轴段的轴径大于所述第二轴段的轴径; [0025] axis, the central axis comprising two shaft sections, namely a first shaft section and a second shaft section, the shaft diameter of the first shaft section is greater than the shaft diameter of the second shaft section;

[0026] 固定装置,用于固定所述中轴和所述尾架,以保持所述中轴与所述尾架之间的位置关系; [0026] The fixing means for fixing the central axis of the tailstock and to maintain the positional relationship between the central axis of the tail boom;

[0027]其中, [0027] wherein,

[0028] 所述通孔的孔径与所述第二轴段的轴径相适配,且小于所述第一轴段的轴径; [0028] The passage hole and the shaft diameter is adapted to the second shaft section, and smaller than the shaft diameter of the first shaft section;

[0029] 所述第二轴段伸入所述通孔并从所述通孔中穿出; [0029] The second shaft section extending into the through hole and out from the through hole;

[0030] 所述固定装置包括至少一个锁紧螺母,所述锁紧螺母与所述第二轴段螺纹连接,以使所述尾架处于所述锁紧螺母与所述第一轴段之间,并通过所述锁紧螺母将所述中轴与所述尾架固定。 [0030] The fixing means comprises at least one lock nut, the lock nut with the threaded second shaft section, so that the tail boom is in said lock nut and between said first shaft section , and is fixed by the lock nut with the central axis of the tail boom.

[0031] 借由上述技术方案,本发明提供技术方案至少具有下列优点: [0031] at least the following advantages by means of the above technical solutions, the present invention provides a technical solution:

[0032] 本发明实施例提供的技术方案通过对牵引机尾架固定结构进行改造,将受剪切力部件由螺栓变为中轴,从而提高牵引机尾架的整体抗剪强度,解决现有技术中固定螺栓断裂问题,提高了牵引机尾架的工作可靠性,进而提高了施工效率,减少了施工成本,确保了施工安全。 [0032] The technical solution provided by the transformation of the tractor tailstock fixing structure will be subject to a shearing force by a bolt member becomes the central axis, thereby improving the overall shear strength of the tractor tailstock embodiment of the present invention, to solve the conventional bolts for fixing the art, to improve the reliability of the tractor tailstock, thereby improving the efficiency of construction, reduces the construction cost, ensure the safety of construction.

[0033] 上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,并可依照说明书的内容予以实施,以下以本发明的较佳实施例并配合附图详细说明如后。 [0033] The above description is only an overview of the technical solution of the present invention, in order to more fully understood from the present disclosure, may be implemented in accordance with the contents of the specification, the following preferred embodiments of the present invention to the detailed description and the accompanying drawings as Rear.

附图说明 BRIEF DESCRIPTION

[0034] 图1为现有技术中牵引机的局部结构示意图; [0034] FIG. 1 is a partial schematic view of a prior art tractor;

[0035] 图2为现有技术中中轴的结构示意图; [0035] FIG. 2 is a schematic structural diagram of the prior art central axis;

[0036] 图3为本发明实施例一提供的牵引机尾架固定结构的结构示意图; [0036] Fig 3 a schematic view of the structure of the tractor tailstock fixing structure according to a first embodiment of the present invention;

[0037] 图4为本发明实施例一提供的牵引机尾架固定结构中中轴的结构示意图; [0037] FIG. 4 schematic structural diagram of the tractor tailstock fixing structure according to a first embodiment of the present invention, the central axis;

[0038] 图5为本发明实施例二提供的牵引机的结构示意图。 [0038] FIG. 5 is a schematic structure of a tractor according to a second embodiment of the invention.

具体实施方式 Detailed ways

[0039] 为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效,以下结合附图及较佳实施例,对依据本发明提出的支撑座其具体实施方式、结构、特征及其功效,详细说明如后。 [0039] To further elaborate the technical means and effects the present invention is predetermined to achieve the object of the invention taken in conjunction with the following drawings and preferred embodiments of the present invention is proposed according to the support base to specific embodiments thereof, structures, features, and effect, as will be described in detail. 在下述说明中,不同的“一实施例”或“实施例”指的不一定是同一实施例。 In the following description, different or "an embodiment", "an embodiment embodiment" are not necessarily referring to the same embodiment. 此夕卜,一或多个实施例中的特定特征、结构、或特点可由任何合适形式组合。 Bu this evening, one or more specific features in the embodiments, structures, or characteristics may be of any suitable composition form.

[0040] 图3示出了本发明实施例一提供的牵引机尾架固定结构的结构示意图。 [0040] FIG. 3 shows a schematic structural diagram of the present invention the tractor tailstock fixing structure according to a first embodiment. 如图3所示,本实施例一提供的所述牵引机尾架固定结构包括:尾架10、中轴70和固定装置20。 As shown in FIG. 3, the embodiment of the present embodiment provides a tractor tailstock fixing structure comprising: a tailstock 10, 70 and the fixing device 20 axis. 其中,所述尾架10上设有通孔11。 Wherein a through hole 11 on the tail boom 10. 如图4所示,所述中轴包括有两段轴段,分别为第一轴段71和第二轴段72,所述第一轴段71的轴径大于所述第二轴段72的轴径。 4, the central axis comprising two shaft sections, namely a first shaft section 71 and the second shaft segment 72, a first shaft diameter of the shaft section 71 is greater than the second shaft section 72 shaft diameter. 所述固定装置20用于固定所述中轴70和所述尾架10,以保持所述中轴70与所述尾架70之间的位置关系。 The fixing means 20 for fixing the central axis 70 and the tailstock 10, to maintain the positional relationship between the central axis 70 and the tailstock 70. 所述通孔11的孔径与所述第二轴段72的轴径相适配,且小于所述第一轴段71的轴径。 Diameter of the through hole 11 and the shaft diameter of the second shaft section 72 adapted to and smaller than the shaft diameter of the first shaft section 71. 所述第二轴段72伸入所述通孔11并从所述通孔11中穿出。 The second shaft section 72 extends into the through hole 11 and out from the through hole 11. 所述固定装置20包括至少一个锁紧螺母21,所述锁紧螺母21与所述第二轴段72螺纹连接,以使所述尾架10处于所述锁紧螺母21与所述第一轴段71之间,并通过所述锁紧螺母21将所述中轴70与所述尾架10固定。 The fixing means 20 comprises at least one locking nut 21, a lock nut 21 screwed with the second shaft segment 72, so that the tail boom 10 is in the first locking nut 21 and the shaft between sections 71 and 21 by a nut 70 and the central axis of the tail boom 10 is fixed to the lock.

[0041] 本实施例提供的技术方案通过对牵引机尾架固定结构进行改造,将受剪切力部件由螺栓变为中轴,从而提高牵引机尾架的整体抗剪强度,解决现有技术中固定螺栓断裂问题,提高了牵引机尾架的工作可靠性,进而提高了施工效率,减少了施工成本,确保了施工安全。 [0041] The present embodiment provides a technical solution by the traction machine tailstock fixing structure transformation, the shearing force receiving member by a bolt axis becomes, thereby increasing the overall shear strength tractor tailstock solve the prior art bolts fixed, improved operational reliability of the tractor tailstock, thereby improving the efficiency of construction, reduces the construction cost, ensure the safety of construction.

[0042] 当上述实施例中所述的固定装置包括有两个或两个以上的所述锁紧螺母时,所述固定装置还可以包括:防止锁紧螺母松动的垫圈。 [0042] When the above-described embodiment the fixing means comprises two or more of said locking nut, said fixing device may further comprise: a gasket to prevent loosening of the lock nut. 该垫圈可以是图3所示的止退垫圈22。 The gasket may be a retaining washer 22 shown in FIG. 所述止退垫圈22和锁紧螺母配套使用,使用时将止退垫圈22装在锁紧螺母开槽(的那一侦牝紧固后将内外止动耳折弯放到槽里。锁紧螺母紧固后,分别将内外耳朵扳成轴向,分别卡在中轴70的第二轴段72上的键槽(如图4所示)和锁紧螺母的开口处,这样,锁紧螺母就不会由于中轴的转动而松脱。所述止退垫圈22可设置在两相邻锁紧螺母之间,如图3所不O The retaining washer 22 and lock nut supporting the use of the use of the retaining washer 22 mounted in the investigation that after tightening the lock nut slotted female (internal and external stop lug is bent into the slot. Locked after tightening the nut, each axial series at the inner and outer ear, each card in the keyway (FIG. 4) and lock nut on the opening section of the central axis 70 of the second shaft 72, so that, on the locking nut not loosened due to the rotation center axis. the retaining washer 22 may be disposed between two adjacent locking nut, as shown in FIG 3 is not O

[0043] 为了进一步的防止所述中轴从所述尾架中脱出,提高所述中轴与所述尾架的固连稳定性,如图3所示,所述固定装置还可以包括:压盖23。 [0043] To further prevent the coming out from the central axis of the tail boom, increasing the stability of the central axis and fixedly connected to the tailstock, as shown in FIG. 3, the fixing device may further comprise: pressure cover 23. 所述压盖23可通过螺栓固定在所述第二轴段72的端部。 The lid 23 may be bolted to the end of the second shaft section 72.

[0044] 在具体实施例时,所述压盖上可沿周向均布设置三个螺栓孔。 [0044] In a specific embodiment, may be provided to the three bolt holes uniformly distributed along the circumference of the gland. 所述第二轴段的端部设有对应的螺栓孔。 The end of the second shaft section is provided with corresponding bolt holes. 所述压盖通过三个螺栓固定在所述第二轴段的端部。 By capping the end portion is fixed to three bolts of the second shaft section.

[0045] 进一步的,如图4所示,所述第一轴段71为中空轴段,所述中空轴段的侧壁上开有豁口711,所述豁口711将所述中空轴段的中空内腔与外部连通。 [0045] Further, as shown in FIG. 4, the first shaft section 71 is a hollow shaft section, notch 711 is opened on a side wall of the hollow shaft section, the cutout 711 of the hollow section of the hollow shaft a lumen in communication with the outside.

[0046] 所述第二轴段中设有轴孔,所述轴孔的孔径小于所述第一轴段的中空内腔的腔径。 [0046] The second shaft section is provided with a shaft hole, the shaft hole diameter is smaller than the lumen diameter of the hollow interior of the first shaft section. 所述第二轴段中设置的所述轴孔用于容置现有技术中牵引机尾架上的轴棍。 The shaft hole is provided in the second shaft section of the shaft for receiving the rod end of the prior art tractor frame. 这里需要说明的是:由于本实施例提供的技术方案将现有的牵引机尾架固定结构进行了改进,即中轴的结构进行了改进,还新增了新型结构的固定装置来固定所述中轴和尾架,因此,现有技术中设置在所述第二轴段轴孔中的轴棍也需要进行相应的改变。 It should be noted that: because the technical solution provided in this embodiment of the existing tractor tailstock fixing structure is improved, i.e. the central axis of the structure is improved, but also added a new configuration of the fixing device to fix the stick shaft axis and tailstock, thus, in the prior art the shaft hole provided in the second shaft section also need to be changed accordingly. 具体的修改为:根据本实施例提供的所述中轴的结构,所述轴棍长度延长满足使用所需即可。 Specific modifications as follows: The structure of the central axis provided in this embodiment, the shaft extending the length of the stick to meet the required. 例如,现有技术中所述轴棍的长度为150mm ;在本实施例中所述轴棍的长度可以延长为200mm。 For example, the prior art is the length of the stick shaft 150mm; length of the shaft rod in the embodiment of the present embodiment may be extended to 200mm.

[0047] 如图5所示,本发明实施例二提供的牵引机的结构示意图。 As shown in [0047] FIG. 5, a schematic view of the structure of the tractor according to a second embodiment of the present invention. 所述牵引机包括牵引机尾架固定结构100。 The tractor tug comprises a fixed structure 100 tailstock. 其中,所述牵引机尾架固定结构100包括:尾架、中轴和固定装置。 Wherein said tail traction bracket 100 fixing structure comprising: a tailstock axis and fixtures. 其中,所述尾架上设有通孔。 Wherein said tailstock provided with through holes. 所述中轴包括有两段轴段,分别为第一轴段和第二轴段,所述第一轴段的轴径大于所述第二轴段的轴径。 Said central axis comprising two shaft sections, namely a first shaft section and a second shaft section, the shaft diameter of the first shaft section is greater than the shaft diameter of the second shaft section. 所述固定装置用于固定所述中轴和所述尾架,以保持所述中轴与所述尾架之间的位置关系。 Fixing means for fixing the said central axis and said tailstock, to maintain the positional relationship between the central axis of the tailstock. 所述通孔的孔径与所述第二轴段的轴径相适配,且小于所述第一轴段的轴径。 Diameter of the through hole and the shaft diameter is adapted to the second shaft section, and smaller than the shaft diameter of the first shaft section. 所述第二轴段伸入所述通孔并从所述通孔中穿出。 The second shaft segment extending into said through hole and out from the through hole. 所述固定装置包括至少一个锁紧螺母,所述锁紧螺母与所述第二轴段螺纹连接,以使所述尾架处于所述锁紧螺母与所述第一轴段之间,并通过所述锁紧螺母将所述中轴与所述尾架固定。 Said fixing means comprises at least one lock nut, the lock nut with the threaded second shaft section, so that the tail boom is between the lock nut and the first shaft section, and by the lock nut with the central axis of the tail boom is fixed.

[0048] 具体的,本实施例中所述的牵引机尾架固定结构可采用上述实施例一提供的结构来实现,可参见上述实施例一中相应的内容,此处不再赘述。 [0048] Specifically, the structure of the tractor tailstock fixing structure according to a first embodiment above can be used to implement the present embodiment, may refer to the corresponding content in the above-described first embodiment is not repeated here.

[0049] 如图5所示,本实施例所述牵引机的工作过程为:液压泵(图5中未示出)通过链条传动带动尾轴40转动,尾轴40通过挡块200带动导引绳盘30转动从而收紧牵引绳。 [0049] As shown in Figure 5, the present embodiment of the traction machine is working process: rotation of the hydraulic pump (not shown in FIG. 5) by the end of the chain transmission drive shaft 40, the end of shaft 40 driven by the stopper guide 200 disc 30 rotated to tighten the rope traction rope. 牵引机的工作过程中,当尾轴40径向摆动较强,尾轴40径向摆动带动中轴径向摆动,现有技术中中轴与尾架10连接螺栓会受到剪切力,采用本实施例提供的所述牵引机尾架固定结构,将受剪切力部件由螺栓变为中轴,从而提高牵引机尾架的整体抗剪强度,解决现有技术中固定螺栓断裂问题,提高了牵引机尾架的工作可靠性,进而提高了施工效率,减少了施工成本,确保了施工安全。 Tractor working process, when the end of swing shaft 40 radially strong, tail shaft axis 40 radial oscillating radial oscillating drive, the prior art and the tailstock axis connecting bolts 10 would be subjected to shear forces, with the present said traction machine tailstock fixing structure provided in the embodiment, the shearing force receiving member by a bolt axis becomes, thereby increasing the overall shear strength of the tailstock tractor, bolts fixing solution prior art, to improve the tractor tailstock operational reliability, and improve construction efficiency, reduce the construction cost, to ensure construction safety.

[0050] 以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。 [0050] The above are only preferred embodiments of the present invention only, not limitation of the present invention in any form, any simple modification based on the technical essence of the present invention is made to the above embodiment of the embodiment, modifications and equivalent, are still belongs to the technical scope of the present invention.

Claims (7)

1.一种牵引机尾架固定结构,其特征在于,包括: 尾架,所述尾架上设有通孔; 中轴,所述中轴包括有两段轴段,分别为第一轴段和第二轴段,所述第一轴段的轴径大于所述第二轴段的轴径; 固定装置,用于固定所述中轴和所述尾架,以保持所述中轴与所述尾架之间的位置关系; 其中, 所述通孔的孔径与所述第二轴段的轴径相适配,且小于所述第一轴段的轴径; 所述第二轴段伸入所述通孔并从所述通孔中穿出; 所述固定装置包括至少一个锁紧螺母,所述锁紧螺母与所述第二轴段螺纹连接,以使所述尾架处于所述锁紧螺母与所述第一轴段之间,并通过所述锁紧螺母将所述中轴与所述尾架固定。 A tractor tailstock fixed structure, characterized by comprising: a tailstock the tailstock provided with a through hole; axis, said central axis comprising two shaft sections, namely a first shaft segment and a second shaft section, the shaft diameter of the first shaft section is greater than the shaft diameter of the second shaft section; fixing means for fixing the central axis and the tailstock, said central axis and to maintain the the positional relationship between said tailstock; wherein an aperture of the through hole and the shaft diameter is adapted to the second shaft section, and smaller than the shaft diameter of the first shaft section; projecting the second shaft segment and out into the through hole from said through hole; said fixing means comprises at least one lock nut, the lock nut with the threaded second shaft section, so that the tail boom is in the between the locking nut and the first shaft section, and by a lock nut with the axis of the tailstock fixed.
2.根据权利要求1所述的牵引机尾架固定结构,其特征在于,当所述固定装置包括有两个或两个以上的所述锁紧螺母时,所述固定装置还包括:止退垫圈; 所述止退垫圈设置在两相邻锁紧螺母之间。 The tractor tailstock fixing structure according to claim 1, wherein, when said fixing means comprises two or more of said locking nut, said fixing means further comprises: retaining gasket; the retaining washer disposed between two adjacent lock nut.
3.根据权利要求1或2所述的牵引机尾架固定结构,其特征在于,所述固定装置还包括:压盖; 所述压盖通过螺栓固定在所述第二轴段的端部。 The tractor tailstock fixing structure according to claim 1, wherein said fixing means further comprising: a gland; the end portion of the lid is bolted to said second shaft section.
4.根据权利要求3所述的牵引机尾架固定结构,其特征在于,所述压盖上沿周向均布有三个螺栓孔; 所述第二轴段的端部设有对应的螺栓孔; 所述压盖通过三个螺栓固定在所述第二轴段的端部。 4. tractor tailstock fixing structure according to claim 3, wherein said upper lid are uniformly distributed circumferentially three bolt holes; end of the second shaft section is provided with corresponding bolt holes; the an end portion of said gland by three bolts according to the second shaft section.
5.根据权利要求1或2所述的牵引机尾架固定结构,其特征在于,所述第一轴段为中空轴段,所述中空轴段的侧壁上开有豁口,所述豁口将所述中空轴段的中空内腔与外部连通。 The tractor tailstock fixing structure according to claim 1, wherein said first shaft section is a hollow shaft segment, with a gap open on the side wall of the hollow shaft section, the gap will the hollow interior of the hollow shaft and the external communication section.
6.根据权利要求5所述的牵引机尾架固定结构,其特征在于,所述第二轴段中设有轴孔,所述轴孔的孔径小于所述第一轴段的中空内腔的腔径。 The tractor tailstock fixing structure according to claim 5, wherein said second shaft section is provided with a shaft hole, the shaft hole diameter is smaller than the hollow interior of the first shaft section lumen diameter.
7.—种牵引机,其特征在于,包括上述权利要求1〜6中任一项所述的牵引机尾架固定结构。 7.- species traction machine comprising a tractor tailstock fixing structure according to any of the preceding claims 1~6.
CN201410658766.9A 2014-11-18 2014-11-18 Tailstock tractor and tractor fixing structure CN104466785B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2480224Y (en) * 2001-06-11 2002-03-06 青岛港务局 End fixing structure for car balance axle
KR20120069057A (en) * 2010-12-20 2012-06-28 두산인프라코어 주식회사 Automatic position decition unit of cnc tailstock and position decition method thereof
CN202754633U (en) * 2012-08-24 2013-02-27 中国能源建设集团广东火电工程总公司 Hydraulic dragger
CN203806852U (en) * 2014-02-22 2014-09-03 兰州众科机械制造有限公司 Traction machine tailstock transmission structure
CN204230747U (en) * 2014-11-18 2015-03-25 国家电网公司 Tailstock tractor and tractor fixing structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2480224Y (en) * 2001-06-11 2002-03-06 青岛港务局 End fixing structure for car balance axle
KR20120069057A (en) * 2010-12-20 2012-06-28 두산인프라코어 주식회사 Automatic position decition unit of cnc tailstock and position decition method thereof
CN202754633U (en) * 2012-08-24 2013-02-27 中国能源建设集团广东火电工程总公司 Hydraulic dragger
CN203806852U (en) * 2014-02-22 2014-09-03 兰州众科机械制造有限公司 Traction machine tailstock transmission structure
CN204230747U (en) * 2014-11-18 2015-03-25 国家电网公司 Tailstock tractor and tractor fixing structure

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