CN101920705A - Lock device and installation structure of train tail host - Google Patents
Lock device and installation structure of train tail host Download PDFInfo
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- CN101920705A CN101920705A CN 201010234914 CN201010234914A CN101920705A CN 101920705 A CN101920705 A CN 101920705A CN 201010234914 CN201010234914 CN 201010234914 CN 201010234914 A CN201010234914 A CN 201010234914A CN 101920705 A CN101920705 A CN 101920705A
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- base plate
- locating dowel
- dowel pin
- latching device
- hitch
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- 238000009434 installation Methods 0.000 title abstract description 7
- 238000013016 damping Methods 0.000 claims description 24
- 230000035939 shock Effects 0.000 claims description 21
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 210000002105 tongue Anatomy 0.000 description 15
- 238000003466 welding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001236644 Lavinia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a lock device of a train tail host and an installation structure with the lock device. The lock device comprises a baseboard, a lock body, a lock rod, a first positioning pin and a second positioning pin, wherein the baseboard is used for installing the train tail host and provided with a through hole aligned with a lock hole; the lock body is fixed on the upper surface of the baseboard and provided with the lock hole and a key hole communicated with the lock hole; the upper end of the lock rod can pass through the through hole to be upwardly inserted into the lock hole, and can be locked tightly or opened with the lock hole through a key inserting into the key hole; the first positioning pin is fixed on the lower surface of the baseboard and vertically and downwardly extends; and the second positioning pin is connected with the lower end of the lock rod through a connection rod and vertically and upwardly extends. The lock device and the installation structure can firmly install the train tail host on draw gears of the tail part of the train, thereby avoiding the drop of the train tail host.
Description
Technical field
The present invention relates to the train field, be specifically related to a kind of latching device and mounting structure of train tail host.
Background technology
After train-tail safty guard (abbreviation train tail apparatus) is train cancellation guard's van, the special-purpose transportation safety device of under the situation of afterbody unattended duty, developing for the raising safety of railway transportation.Train-tail safty guard mainly is made of train locomotive part, train tail host and data processing system three parts.Be provided with dispatch from the factory ID numbering of this machine in the train tail host, be installed on last vehicle of train hitch or the lancet bar, be connected with the last vehicle of train brake hose, be mainly used in real-time monitoring train tail wind pressure, the air draft braking of realization last vehicle of train and afterbody sign (identify with oblique colour bar red and white daytime, and identify with the flash of light of red luminotron group night).
Traditional train tail host has 2-4 L type claw usually.When train tail host being installed on the last vehicle of train hitch, these claws being inserted in four casting holes of hitch side, thereby train tail host being clamped on the hitch of last vehicle of train.Yet this mounting means of train tail host is not firm, and operating train rocks and causes the loosening of claw easily, thus the danger that can cause train tail host to come off, and then cause train tail host to damage or lose.In addition, there are not any shock attenuation unit in traditional train tail host and hitch direct contact between them, thus need install shock attenuation unit additional in train tail host inside, thus cause the train tail host volume bigger, very heavy, install and keep in repair all inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of latching device and mounting structure of train tail host, this latching device and mounting structure can very be installed to train tail host on the last vehicle of train hitch securely, avoid coming off of train tail host.
The invention provides a kind of latching device of train tail host, wherein, this latching device comprises base plate, lock body, locking bar, first locating dowel pin and second locating dowel pin that is used to install described train tail host, wherein: described lock body is fixed on the upper surface of described base plate, and the key hole that has lockhole and communicate with described lockhole, described base plate is provided with the through hole that aligns with described lockhole, the upper end of described locking bar can be passed described through hole and upwards be inserted in the described lockhole, and can lock or open with described lockhole by being inserted into the key in the described key hole; Described first locating dowel pin is fixed on the lower surface of described base plate and extends straight down, and described second locating dowel pin is connected with the lower end of described locking bar by connecting rod and extends straight up.
The present invention also provides a kind of mounting structure of train tail host, this mounting structure comprises latching device, train tail host and hitch, wherein, described latching device comprises base plate, lock body, locking bar, first locating dowel pin and second locating dowel pin, wherein: described train tail host is installed on the upper surface of described base plate, and described base plate is placed on the hook tongue of described hitch; Described lock body is fixed on the upper surface of described base plate, and the key hole that has lockhole and communicate with described lockhole, described base plate is provided with the through hole that aligns with described lockhole, the upper end of described locking bar can be passed described through hole and upwards be inserted in the described lockhole, and can lock or open with described lockhole by being inserted into the key in the described key hole; Described hitch has mounting hole, and described first locating dowel pin is fixed on the lower surface of described base plate and is inserted into straight down in the described mounting hole, and described second locating dowel pin is connected with the lower end of described locking bar by connecting rod and is inserted into straight up in the described mounting hole.
The latching device of train tail host provided by the invention and mounting structure insert first locating dowel pin and second locating dowel pin respectively from the above and below of described hitch, and by described locking bar and cooperating of described lockhole described locking bar being locked, make the stationkeeping of described second locating dowel pin, thereby described hitch firmly is clamped in the centre, and then described train tail host is fixedly mounted on the hook tongue of described hitch.Owing to from the above and below of described hitch hitch is clamped respectively by first locating dowel pin and second locating dowel pin, and train tail host is fixedly mounted in above the hook tongue of described hitch, so although train rocks, cause latching device loosening, train tail host is come off, thereby avoided the damage of train tail host and lose.In addition,, described locking bar could be extracted out,, possess good theftproof performance so can avoid train tail host to lose effectively owing to must described lock body be opened by key.
A preferred embodiment of the invention, the lower surface of described base plate is provided with shock absorber.According to another kind of preferred implementation of the present invention, be set with the vibration damping holder on described first locating dowel pin.When being installed to described train tail host on the described hitch, described shock absorber and vibration damping holder lay respectively between described hitch and the base plate, thereby can absorb the vibration that produces in the train travelling process, prevent the damage of train tail host internal part effectively, so need not install shock attenuation unit additional in train tail host inside, thereby reduced the volume and weight of train tail host, train tail host is easy for installation and maintenance.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification sheets, is used from explanation the present invention with the specific embodiment of the present invention one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the perspective view of the latching device that has train tail host that provides of one embodiment of the present invention;
Fig. 2 is the scheme drawing of the mounting structure of the train tail host that provides of one embodiment of the present invention;
Fig. 3 is installed in structural representation on the base plate with lock body;
Fig. 4 is the top perspective structural representation of the base plate that each parts are installed of the latching device of the train tail host that provides of one embodiment of the present invention;
Fig. 5 be the train tail host that provides of one embodiment of the present invention latching device the base plate that each parts are installed look up perspective view;
Fig. 6 is the perspective view of the locking bar that has second locating dowel pin of the latching device of the train tail host that provides of one embodiment of the present invention;
Fig. 7 is the top perspective structural representation of the base plate that train tail host and each parts are installed of the latching device of the train tail host that provides of one embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
Extremely shown in Figure 7 as Fig. 1, the invention provides a kind of latching device of train tail host 1, wherein, this latching device comprises the base plate 4 that is used to install described train tail host 1, lock body 5, locking bar 6, first locating dowel pin 9 and second locating dowel pin 13, wherein: described lock body 5 is fixed on the upper surface of described base plate 4, and the key hole that has lockhole 11 and communicate with described lockhole 11, described base plate 4 is provided with the through hole 10 that aligns with described lockhole 11, the upper end of described locking bar 6 can be passed described through hole 10 and upwards be inserted in the described lockhole 11, and can lock or open with described lockhole 11 by being inserted into the key in the described key hole; Described first locating dowel pin 9 is fixed on the lower surface of described base plate 4 and extends straight down, and described second locating dowel pin 13 is connected with the lower end of described locking bar 6 by connecting rod 7 and extends straight up.
As shown in Figure 2, above-mentioned latching device 3 is placed on described train tail host 1 on the hook tongue of described hitch 2 by described base plate 4 in use, makes described first locating dowel pin 9 insert the mounting hole 19 that vertically is provided with on the hitch 2 from the top of described hitch 2; The upper end of described locking bar 6 is passed described through hole 10 and is upwards inserted in the described lockhole 11, makes described second locating dowel pin 13 insert described mounting hole 19 from the below of described hitch 2, in the middle of described hitch 2 is clamped in; Described locking bar 6 is by described key and 5 lockings of described lock body.Owing to from the above and below of described hitch 2 hitch 2 is clamped respectively by first locating dowel pin 9 and second locating dowel pin 13, and train tail host 1 is fixedly mounted in above the hook tongue of described hitch 2, so although train rocks, cause latching device 3 loosening, train tail host 1 is come off, thereby avoided the damage of train tail host 1 and lose.In addition,, described locking bar 6 could be extracted out,, possess good theftproof performance so can avoid train tail host 1 to lose effectively owing to must described lock body 5 be opened by key.
Described base plate 4 can be common steel plate or iron plate.
Described lock body 5 can be fixed on the upper surface of described base plate 4 by the mode of welding, can certainly be fixed on the upper surface of described base plate 4 by other feasible mode (for example screw connection).For the ease of described row tail main body 1 is installed, preferably, described lock body 5 is fixed on a side of the upper surface of described base plate 4, and certain described lock body 5 also can be fixed on other suitable position of described base plate 4.The aperture of described lockhole 11 can equal the aperture of described through hole 10, also can be less than the aperture of described through hole 10.Described key hole is arranged on the side of described lock body 5 usually.
As shown in Figure 6, conical insert 14 can be set on the outer surface of described locking bar 6, and the screens (not shown) that setting matches with described conical insert 14 in described lockhole 11, by in described key hole, rotating described key, described screens and described conical insert 14 is stuck or unclamp, and with described locking bar 6 with described lockhole 11 lockings or open.Usually, when described key rotates 90 when spending to direction, key is stirred described screens, described conical insert 14 is broken away from described screens cooperate, thereby lockhole 11 and locking bar 6 are opened; When described key backward rotation 90 was spent, described screens was rebounded, described lockhole 11 and described locking bar 6 lockings.Certainly, also can and open between described locking bar 6 and the described lockhole 11 by alternate manner locking well known in the art.
As shown in Figure 6, for when being installed to train tail host 1 on the hitch 2, adjust the relative position between described locking bar 6 and described second locating dowel pin 13 easily, described first locating dowel pin 9 and described second locating dowel pin 13 are clamped described hitch 2, more described train tail host 1 is installed on the described hitch 2, preferably, the lower end of described locking bar 6 is provided with outside thread, be provided with negative thread in the described connecting rod 7, described connecting rod 7 is threaded with the lower end of described locking bar 6.In order to prevent that second locating dowel pin 13 is deviate from from described locking bar 6 under the situation of train vibration, preferably, the lower end of described locking bar 6 is fixed with stop part 15, and this stop part 15 is positioned at the below of described connecting rod 7.Described stop part 15 can be fixed on the lower end of described locking bar 6 by welding or screw ways of connecting.Described stop part 15 can be block or catch.Described connecting rod 7 also can be connected by the lower end of alternate manner with described locking bar 6, for example welding.
Described connecting rod 7 can be captiveed joint by the mode of welding with described second locating dowel pin 13, can certainly pass through alternate manner (for example clamping) captive joint.
Described locking bar 6 can be structure as a whole, also can be the split structure, processing for convenience, and when damaging, certain part of locking bar 6 is convenient to change, as shown in Figure 6, preferably, described locking bar 6 comprises sleeve 16, threaded portion 17 and tight lock part 18, and the outer surface of described threaded portion 17 is provided with outside thread; The outer surface of described tight lock part 18 is provided with conical insert 14, and the lower end of described tight lock part 18 is provided with outside thread; The inside face of described sleeve 16 is provided with negative thread, and the upper end of described sleeve 16 is threaded with described tight lock part 18, and the lower end of described sleeve 16 is threaded with described threaded portion 17.
Described first locating dowel pin 9 can align with described second locating dowel pin 13, also can stagger with respect to described second locating dowel pin 13.Generally, described hitch 2 itself has an auxiliary hole that vertically connects, and for the ease of utilizing this auxiliary hole, and needn't remove processing mounting holes extraly, and preferably, described first locating dowel pin 9 aligns with described second locating dowel pin 13.Under second locating dowel pin, 13 rotatable situations, described second locating dowel pin 13 can rotate to a certain position, and in this position, described first locating dowel pin 9 aligns with described second locating dowel pin 13.Described first locating dowel pin 9 can be fixed on the lower surface of described base plate 4 by welding or other suitable mode.
In order more firmly to fix the position of described train tail host 1, prevent that described train tail host 1 from rotating, as shown in Figure 4 and Figure 5, preferably, described latching device also comprises handwheel assembly 20 and the 3rd locating dowel pin 21, and wherein: described handwheel assembly 20 comprises sleeve 22 and locking handwheel 23; The inside face of described sleeve 22 is provided with negative thread; Described locking handwheel 23 has head 26 and the bar portion 27 of captiveing joint with described head 26, and described bar portion 27 is provided with the outside thread with the negative thread coupling of described sleeve 22; The lower surface of described base plate 4 is fixed with support 25, and described sleeve 22 is horizontally fixed on the described support 25, the described sleeve 22 of described bar portion's 27 screw-ins; Described the 3rd locating dowel pin 21 and described handwheel assembly 20 positioned opposite is fixed on the lower surface of described base plate 4 and extension straight down.
Loosening in order to prevent to lock handwheel 23, can better hitch 2 be clamped, preferably, described handwheel assembly 20 also comprises coil spring 24, this coil spring 24 is sleeved in the described bar portion 27 and between described head 26 and described sleeve 22.
The fixed form of described support 25, sleeve 22 and the 3rd locating dowel pin 21 is conventionally known to one of skill in the art, support 25, sleeve 22 and the 3rd locating dowel pin 21 as described in fixing as the mode that can adopt welding.The mode that described head 26 can adopt welding is captiveed joint with described bar portion 27, also can be integrally formed with described bar portion 27.The particular location of described the 3rd locating dowel pin 21 and described handwheel assembly 20 need be determined according to the concrete size and the structure of hitch 2, for the ease of arranging that preferably, described handwheel assembly 20 is arranged on a side at described lock body 5 places.In order to increase the stability of support 25, preferably, the side of described support 25 is fixed with reinforced rib 28, captives joint with described base plate 4 in the top of this reinforced rib 28.Connection mode between described reinforced rib 28 and described support 25 and the base plate 4 is conventionally known to one of skill in the art, as adopting the mode of welding.
Like this, when being installed to train tail host 1 on the hitch 2, described first locating dowel pin 9 and second locating dowel pin 13 clamp described hitch 2 along the longitudinal direction of the hook tongue of hitch 2, and by the described locking handwheel 23 of rotation, make described locking handwheel 23 and described the 3rd locating dowel pin 21 that described hitch 2 is clamped along horizontal direction, thereby can securely described train tail host 1 be locked on the hitch 2.
As shown in Figure 5, a preferred embodiment of the invention, the lower surface of described base plate 4 is provided with shock absorber 29.As shown in Figure 2, according to another kind of preferred implementation of the present invention, described first locating dowel pin 9 is set with vibration damping holder 12.Like this, when being installed to described train tail host 1 on the described hitch 2, described shock absorber 29 and vibration damping holder 12 lay respectively between described hitch 2 and the base plate 4, thereby can absorb the vibration that produces in the train travelling process, prevent the damage of train tail host 1 internal part effectively, so need not install shock attenuation unit additional, thereby reduce the volume and weight of train tail host 1, train tail host 1 is easy for installation and maintenance in train tail host 1 inside.
Described shock absorber 29 can be the various parts that can absorb vibration well known in the art, and for example, described shock absorber 29 can be rubber damping pad.Described shock absorber 29 can be fixed on the lower surface of described base plate 4 by the screw ways of connecting, can certainly be fixed on the lower surface of described base plate 4 by alternate manner (for example bonding).Described vibration damping holder 12 also can be the various parts that can absorb vibration well known in the art, and for example, described vibration damping holder 12 can be the parts that adopt elastomeric material to make.For the ease of adjusting the position of vibration damping holder 12, to adapt to different hitches, preferably, described first locating dowel pin 9 is provided with outside thread, is provided with negative thread in the described vibration damping holder 12, and described vibration damping holder 12 is threaded with described first locating dowel pin 9.Certainly, described vibration damping holder 12 also can adopt alternate manner (for example bonding) to be installed on first locating dowel pin 9.
As shown in Figure 2, the present invention also provides a kind of mounting structure of train tail host, this mounting structure comprises latching device 3, train tail host 1 and hitch 2, wherein, described latching device 3 comprises base plate 4, lock body 5, locking bar 6, first locating dowel pin 9 and second locating dowel pin 13, wherein: described train tail host 1 is installed on the upper surface of described base plate 4, and described base plate 4 is placed on the hook tongue of described hitch 2; Described lock body 5 is fixed on the upper surface of described base plate 4, and the key hole that has lockhole 11 and communicate with described lockhole 11, described base plate 4 is provided with the through hole 10 that aligns with described lockhole 11, the upper end of described locking bar 6 can be passed described through hole 10 and upwards be inserted in the described lockhole 11, and can lock or open with described lockhole 11 by being inserted into the key in the described key hole; Described hitch 2 has mounting hole 19, described first locating dowel pin 9 is fixed on the lower surface of described base plate 4 and is inserted into straight down in the described mounting hole 19, and described second locating dowel pin 13 is connected with the lower end of described locking bar 6 by connecting rod 7 and is inserted into straight up in the described mounting hole 19.
As shown in Figure 6, for when being installed to train tail host 1 on the hitch 2, adjust the relative position between described locking bar 6 and described second locating dowel pin 13 easily, described first locating dowel pin 9 and described second locating dowel pin 13 are clamped described hitch 2, more described train tail host 1 is installed on the described hitch 2, preferably, the lower end of described locking bar 6 is provided with outside thread, be provided with negative thread in the described connecting rod 7, described connecting rod 7 is threaded with the lower end of described locking bar 6.In order to prevent that second locating dowel pin 13 is deviate from from described locking bar 6 under the situation of train vibration, preferably, the lower end of described locking bar 6 is fixed with stop part 15, and this stop part 15 is positioned at the below of described connecting rod 7.Described stop part 15 can be fixed on the lower end of described locking bar 6 by welding or screw ways of connecting.Described stop part 15 can be block or catch.Described connecting rod 7 also can be connected by the lower end of alternate manner with described locking bar 6, for example welding.
In order more firmly to fix the position of described train tail host 1, prevent that described train tail host 1 from rotating, as shown in Figure 4 and Figure 5, preferably, described latching device 3 also comprises handwheel assembly 20 and the 3rd locating dowel pin 21, and wherein: described handwheel assembly 20 comprises sleeve 22 and locking handwheel 23; The inside face of described sleeve 22 is provided with negative thread; Described locking handwheel 23 has head 26 and the bar portion 27 of captiveing joint with described head 26, and described bar portion 27 is provided with the outside thread with the negative thread coupling of described sleeve 22; The lower surface of described base plate 4 is fixed with support 25, and described sleeve 22 is horizontally fixed on the described support 25, the described sleeve 22 of described bar portion's 27 screw-ins; Described the 3rd locating dowel pin 21 is fixed on the lower surface of described base plate 4 and extends straight down; Described locking handwheel 23 lays respectively at the both sides of described hitch 2 with described the 3rd locating dowel pin 21 and described hitch 2 is clamped.
Loosening in order to prevent to lock handwheel 23, can better hitch 2 be clamped, preferably, described handwheel assembly 20 also comprises coil spring 24, this coil spring 24 is sleeved in the described bar portion 27 and between described head 26 and described sleeve 22, the described coil spring 24 of described head 26 compressions.
Like this, described first locating dowel pin 9 and second locating dowel pin 13 clamp described hitch 2 along the longitudinal direction of the hook tongue of hitch 2, and by the described locking handwheel 23 of rotation, make described locking handwheel 23 and described the 3rd locating dowel pin 21 that described hitch 2 is clamped along horizontal direction, thereby can securely described train tail host 1 be locked on the hitch 2.
As shown in Figure 2, a preferred embodiment of the invention, the lower surface of described base plate 4 is provided with shock absorber 29, and this shock absorber 29 is between described base plate 4 and described hitch 2.According to another kind of preferred implementation of the present invention, be set with vibration damping holder 12 on described first locating dowel pin 9, this vibration damping holder 12 is between the hook tongue of described base plate 4 and described hitch 2.Like this, described shock absorber 29 and vibration damping holder 12 can absorb the vibration that produces in the train travelling process, prevent the damage of train tail host 1 internal part effectively, so need not install shock attenuation unit additional in train tail host 1 inside, thereby reduced the volume and weight of train tail host 1, train tail host I is easy for installation and maintenance.
Other structure of described latching device 3 is identical with the structure and the feature of latching device as described above with feature, no longer repeats at this.
As mentioned before, the auxiliary hole that described mounting hole 19 can itself carry for hitch 2, it is arranged in the described hitch 2 usually vertically.Certainly, also processing mounting holes 19 in addition.
Described train tail host 1 can be installed on the base plate 4 by welding or screw ways of connecting.When being installed in train tail host 1 on the base plate 4, also can between train tail host 1 and base plate 4, install seal gasket additional, enter train tail host 1 to prevent water and other liquid.
Described train tail host 1 structure own is conventionally known to one of skill in the art, does not repeat them here.
Need to prove that the noun of locality that occurs among the present invention such as upper end, lower end, top, below etc. are that the state that is installed on the hitch 2 at latching device 3 is undefined, as shown in Figure 2.
Below, describe to adopt latching device 3 that the specific embodiment of the invention provides that train tail host 1 is installed in process on the hitch 2 in conjunction with the accompanying drawings.
Extremely shown in Figure 7 as Fig. 1, at first train tail host 1 is installed on the base plate 4, the base plate 4 that then this is equipped with train tail host 1 is placed on the hook tongue of described hitch 2, make described shock absorber 29 between described hitch 2 and base plate 4, and make described first locating dowel pin 9 insert described mounting hole 19 from the top of described hitch 2, adjust the position of described vibration damping holder 12, make described vibration damping holder 12 between the hook tongue and base plate 4 of described hitch 2, described the 3rd locating dowel pin 21 retainings are in the side of described hitch 2; Described locking bar 6 is inserted in the described lockhole 11 from the bottom up, second locating dowel pin 13 is inserted the described mounting hole 19 from the below; Key inserted in the described key hole and revolve turn 90 degrees, to stir the screens in the described lockhole 11, described screens is broken away from conical insert 14 to be cooperated, thereby rotary conic tooth 14, to adjust the relative position between described locking bar 6 and the described connecting rod 7, described vibration damping holder 12 and connecting rod 7 are clamped the longitudinal direction of described hitch 2 along described hitch 2 hook tongues; With described key contrarotation 90 degree and extraction, screens in the described lockhole 11 is rebounded, described conical insert 14 is stuck, rotate described locking bar 6 again and finely tune this moment, described vibration damping holder 12 and connecting rod 7 are further clamped the longitudinal direction of described hitch 2 along described hitch 2 hook tongues, thereby, prevent that described locking bar 6 from deviating from described locking bar 6 and described lock body 5 lockings; Rotate described locking handwheel 23, make described locking handwheel 23 and described the 3rd locating dowel pin 21 that described hitch 2 is clamped along horizontal direction, can prevent that so the hook tongue from rotating, and can make described train tail host 1 keep positive, discern the knowledge of row tail tag thereby be convenient to the ground staff towards last vehicle of train.
The latching device of train tail host provided by the invention and mounting structure clamp hitch 2 from the above and below of described hitch 2 respectively by first locating dowel pin 9 and second locating dowel pin 13, thereby with the longitudinal direction locking of described train tail host 1 along the hook tongue of hitch 2; In addition, described latching device and mounting structure also clamp hitch 2 by locking handwheel 23 and the 3rd locating dowel pin 21 along walking crosswise direction, thereby train tail host 1 is locked along horizontal direction, so although train rocks, cause latching device 3 loosening, train tail host 1 is come off, thereby avoided the damage of train tail host 1 and lose.And, latching device provided by the invention and mounting structure are provided with shock absorber 29 and vibration damping holder 12 between base plate 4 and hitch 2, thereby can absorb the vibration that produces in the train travelling process, prevent the damage of train tail host 1 internal part effectively, so need not install shock attenuation unit additional in train tail host 1 inside, thereby reduced the volume and weight of train tail host 1, train tail host 1 is easy for installation and maintenance.In addition,, described locking bar 6 could be extracted out,, possess good theftproof performance so can avoid train tail host 1 to lose effectively owing to must described lock body 5 be opened by key.
Need to prove that each the concrete technical characterictic described in the above-mentioned specific embodiment can carry out combination in any by any suitable manner, it falls within the scope disclosed in this invention equally.In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Below describe preferred implementation of the present invention in conjunction with the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.For example, as required, first locating dowel pin 9 and second locating dowel pin 13 can be set to not line up, correspondingly, two mounting holes 19 be set on described hitch 2, so that described first locating dowel pin 9 and second locating dowel pin 13 to be installed respectively.Similar simple deformation for a large amount of does not repeat them here, but should be appreciated that these simple deformation that thought according to the present invention is made fall within protection scope of the present invention equally.
Claims (19)
1. the latching device of a train tail host (1) is characterized in that, this latching device comprises base plate (4), lock body (5), locking bar (6), first locating dowel pin (9) and second locating dowel pin (13) that is used to install described train tail host (1), wherein:
Described lock body (5) is fixed on the upper surface of described base plate (4), and the key hole that has lockhole (11) and communicate with described lockhole (11), described base plate (4) is provided with the through hole (10) that aligns with described lockhole (11), the upper end of described locking bar (6) can be passed described through hole (10) and upwards be inserted in the described lockhole (11), and can lock or open with described lockhole (11) by being inserted into the key in the described key hole;
Described first locating dowel pin (9) is fixed on the lower surface of described base plate (4) and extends straight down, and described second locating dowel pin (13) is connected with the lower end of described locking bar (6) by connecting rod (7) and extends straight up.
2. latching device according to claim 1 is characterized in that, described lock body (5) is fixed on a side of the upper surface of described base plate (4).
3. latching device according to claim 1 is characterized in that, the lower end of described locking bar (6) is provided with outside thread, and described connecting rod is provided with negative thread in (7), and described connecting rod (7) is threaded with the lower end of described locking bar (6).
4. latching device according to claim 3 is characterized in that, the lower end of described locking bar (6) is fixed with stop part (15), and this stop part (15) is positioned at the below of described connecting rod (7).
5. latching device according to claim 1 is characterized in that, described locking bar (6) comprises sleeve (16), threaded portion (17) and tight lock part (18), and the outer surface of described threaded portion (17) is provided with outside thread; The outer surface of described tight lock part (18) is provided with conical insert (14), and the lower end of described tight lock part (18) is provided with outside thread; The inside face of described sleeve (16) is provided with negative thread, and the upper end of described sleeve (16) is threaded with described tight lock part (18), and the lower end of described sleeve (16) is threaded with described threaded portion (17).
6. latching device according to claim 1 is characterized in that, described latching device also comprises handwheel assembly (20) and the 3rd locating dowel pin (21), wherein:
Described handwheel assembly (20) comprises sleeve (22) and locking handwheel (23); The inside face of described sleeve (22) is provided with negative thread; Described locking handwheel (23) has head (26) and the bar portion (27) of captiveing joint with described head (26), and described bar portion (27) is provided with the outside thread with the negative thread of described sleeve (22) coupling; The lower surface of described base plate (4) is fixed with support (25), and described sleeve (22) is horizontally fixed on the described support (25), and described bar portion (27) screws in described sleeve (22);
Described the 3rd locating dowel pin (21) and described handwheel assembly (20) positioned opposite are fixed on the lower surface of described base plate (4) and extension straight down.
7. latching device according to claim 6 is characterized in that, described handwheel assembly (20) also comprises coil spring (24), and this coil spring (24) is sleeved in the described bar portion (27) and is positioned between described head (26) and the described sleeve (22).
8. latching device according to claim 6 is characterized in that, described handwheel assembly (20) is arranged on a side at described lock body (5) place.
9. latching device according to claim 6 is characterized in that, the side of described support (25) is fixed with reinforced rib (28), captives joint with described base plate (4) in the top of this reinforced rib (28).
10. latching device according to claim 1 is characterized in that, the lower surface of described base plate (4) is provided with shock absorber (29).
11. latching device according to claim 1 is characterized in that, is set with vibration damping holder (12) on described first locating dowel pin (9).
12. latching device according to claim 11 is characterized in that, described first locating dowel pin (9) is provided with outside thread, is provided with negative thread in the described vibration damping holder (12), and described vibration damping holder (12) is threaded with described first locating dowel pin (9).
13. the mounting structure of a train tail host, this mounting structure comprises latching device (3), train tail host (1) and hitch (2), it is characterized in that described latching device (3) comprises base plate (4), lock body (5), locking bar (6), first locating dowel pin (9) and second locating dowel pin (13), wherein:
Described train tail host (1) is installed on the upper surface of described base plate (4), and described base plate (4) is placed on the hook tongue of described hitch (2);
Described lock body (5) is fixed on the upper surface of described base plate (4), and the key hole that has lockhole (11) and communicate with described lockhole (11), described base plate (4) is provided with the through hole (10) that aligns with described lockhole (11), the upper end of described locking bar (6) can be passed described through hole (10) and upwards be inserted in the described lockhole (11), and can lock or open with described lockhole (11) by being inserted into the key in the described key hole;
Described hitch (2) has mounting hole (19), described first locating dowel pin (9) is fixed on the lower surface of described base plate (4) and is inserted into straight down in the described mounting hole (19), and described second locating dowel pin (13) is connected with the lower end of described locking bar (6) by connecting rod (7) and is inserted into straight up in the described mounting hole (19).
14. mounting structure according to claim 13 is characterized in that, the lower end of described locking bar (6) is provided with outside thread, and described connecting rod is provided with negative thread in (7), and described connecting rod (7) is threaded with the lower end of described locking bar (6).
15. mounting structure according to claim 14 is characterized in that, the lower end of described locking bar (6) is fixed with stop part (15), and this stop part (15) is positioned at the below of described connecting rod (7).
16. mounting structure according to claim 13 is characterized in that, described latching device (3) also comprises handwheel assembly (20) and the 3rd locating dowel pin (21), wherein:
Described handwheel assembly (20) comprises sleeve (22) and locking handwheel (23); The inside face of described sleeve (22) is provided with negative thread; Described locking handwheel (23) has head (26) and the bar portion (27) of captiveing joint with described head (26), and described bar portion (27) is provided with the outside thread with the negative thread of described sleeve (22) coupling; The lower surface of described base plate (4) is fixed with support (25), and described sleeve (22) is horizontally fixed on the described support (25), and described bar portion (27) screws in described sleeve (22);
Described the 3rd locating dowel pin (21) is fixed on the lower surface of described base plate (4) and extends straight down;
Described locking handwheel (23) lays respectively at the both sides of described hitch (2) with described the 3rd locating dowel pin (21) and described hitch (2) is clamped.
17. mounting structure according to claim 16, it is characterized in that, described handwheel assembly (20) also comprises coil spring (24), this coil spring (24) is sleeved in the described bar portion (27) and is positioned between described head (26) and the described sleeve (22), and described head (26) compresses described coil spring (24).
18. mounting structure according to claim 13 is characterized in that, the lower surface of described base plate (4) is provided with shock absorber (29), and this shock absorber (29) is positioned between described base plate (4) and the described hitch (2).
19. mounting structure according to claim 13 is characterized in that, is set with vibration damping holder (12) on described first locating dowel pin (9), this vibration damping holder (12) is positioned between the hook tongue of described base plate (4) and described hitch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102349146A CN101920705B (en) | 2010-07-21 | 2010-07-21 | Lock device and installation structure of train tail host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102349146A CN101920705B (en) | 2010-07-21 | 2010-07-21 | Lock device and installation structure of train tail host |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920705A true CN101920705A (en) | 2010-12-22 |
| CN101920705B CN101920705B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102349146A Active CN101920705B (en) | 2010-07-21 | 2010-07-21 | Lock device and installation structure of train tail host |
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| Country | Link |
|---|---|
| CN (1) | CN101920705B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103821805A (en) * | 2014-02-28 | 2014-05-28 | 南车株洲电力机车有限公司 | Railway vehicle and press-in unlocking secondary protective device for equipment box cover |
| CN105114406A (en) * | 2015-10-20 | 2015-12-02 | 南车株洲电力机车有限公司 | Auxiliary protection device for box cover |
| CN109955856A (en) * | 2017-12-25 | 2019-07-02 | 北京世纪东方通讯设备有限公司 | Column a tail wind pipe mounting assembly |
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| CN1586961A (en) * | 2004-09-03 | 2005-03-02 | 北京世纪东方国铁电讯科技有限公司 | Device and method for locking train tail host on train tail part |
| CN201484435U (en) * | 2009-09-09 | 2010-05-26 | 北京世纪东方国铁科技股份有限公司 | Passenger train tail host machine locking device |
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| US4876885A (en) * | 1988-07-19 | 1989-10-31 | Pulse Electronics, Inc. | Railroad coupler mount |
| US5235849A (en) * | 1991-10-07 | 1993-08-17 | Pulse Electronics, Inc. | Railroad coupler mount |
| CN1541875A (en) * | 2003-11-06 | 2004-11-03 | 北京世纪东方国铁电讯科技有限公司 | Train tail unit locking hook |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821805A (en) * | 2014-02-28 | 2014-05-28 | 南车株洲电力机车有限公司 | Railway vehicle and press-in unlocking secondary protective device for equipment box cover |
| CN103821805B (en) * | 2014-02-28 | 2016-03-30 | 南车株洲电力机车有限公司 | A kind of guideway vehicle and press-in unlocking type equipment case lid secondary protection device thereof |
| CN105114406A (en) * | 2015-10-20 | 2015-12-02 | 南车株洲电力机车有限公司 | Auxiliary protection device for box cover |
| CN105114406B (en) * | 2015-10-20 | 2017-05-31 | 南车株洲电力机车有限公司 | A kind of case lid auxiliary protecting device |
| CN109955856A (en) * | 2017-12-25 | 2019-07-02 | 北京世纪东方通讯设备有限公司 | Column a tail wind pipe mounting assembly |
| CN109955856B (en) * | 2017-12-25 | 2024-01-09 | 北京世纪东方智汇科技股份有限公司 | Train tail tuber pipe installation component |
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| Publication number | Publication date |
|---|---|
| CN101920705B (en) | 2012-09-05 |
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