CN111172815A

CN111172815A - Self-locking train track fixing device convenient for confirming looseness

Info

Publication number: CN111172815A
Application number: CN202010040423.1A
Authority: CN
Inventors: 何秀玲
Original assignee: Individual
Current assignee: Shentong Nanche Shanghai Track Traffic Vehicle Maintenance Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-05-19
Anticipated expiration: 2040-01-15
Also published as: CN111172815B

Abstract

The utility model provides a but auto-lock just is convenient for confirm whether not hard up for train track fixing device, includes bolt, self-locking groove, barb one, mounting nut, spring, push rod, fixation nut, fixture block, barb two, goes up kicking block, staple, alarm ring, movable block one, ring pipe and movable block two down, the self-locking groove has been seted up all around to the bolt, and the inner wall fixedly connected with barb one from the self-locking groove, the outside threaded connection of bolt has fixation nut, fixation nut's inner diapire fixedly connected with barb two. This but auto-lock just is convenient for confirm whether not hard up train is fixing device for track uses through the cooperation of push rod and fixture block, and after screwing up fixed nut, promote the push rod, make the fixture block stretch out from fixed nut and with a barb joint, make fixed nut and bolt relatively fixed to the effect of auto-lock has been reached, thereby effectually prevented that fixing device from producing because of vibrations not hard up, improved orbital security.

Description

Self-locking train track fixing device convenient for confirming looseness

Technical Field

The invention relates to the technical field of fixing devices for train tracks, in particular to a fixing device for a train track, which can be self-locked and is convenient for confirming whether the train track is loosened.

Background

Present train track is mostly through the threaded connection of bolt and nut with track fixed mounting on the sleeper, but, because the train can produce vibrations when traveling on the track, and present bolt and nut do not have the auto-lock structure mostly, lead to nut and bolt often can take place to become flexible to when bolt and nut take place to become flexible, be difficult to perceive, there is not reminding device, therefore we have proposed one kind can auto-lock and be convenient for confirm whether not flexible for the train track fixing device solve above problem.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a fixing device capable of self-locking and convenient for confirming whether the train track is loosened comprises a bolt, a self-locking groove, a first barb, a mounting nut, a spring, a push rod, a fixing nut, a clamping block, a second barb, a first lower ejector block, an upper ejector block, a fixing nail, an alarm ring, a first movable block, an annular pipe and a second movable block, wherein the self-locking groove is formed in the periphery of the bolt, the first barb is fixedly connected to the inner wall of the self-locking groove, the fixing nut is in threaded connection with the outer side of the bolt, the second barb is fixedly connected to the inner bottom wall of the fixing nut, the clamping block is movably connected to the middle of the mounting fixing nut, the lower ejector block meshed with the second barb is fixedly connected to the bottom of the clamping block, the upper ejector block penetrates through and extends to the top of the fixing nut, the mounting nut is in threaded connection with the outer side of the fixing nut, the spring is fixedly connected to the inner wall, the top of mounting nut has alarm ring through staple fixedly connected with, and alarm ring's bottom swing joint has the movable block one, and the annular tube has been seted up at alarm ring's middle part, and alarm ring's top swing joint has the movable block two.

In the using process of the invention, the water-soluble paint,

the invention has the following beneficial effects:

1. this but auto-lock just is convenient for confirm whether not hard up train is fixing device for track uses through the cooperation of push rod and fixture block, and after screwing up fixed nut, promote the push rod, make the fixture block stretch out from fixed nut and with a barb joint, make fixed nut and bolt relatively fixed to the effect of auto-lock has been reached, thereby effectually prevented that fixing device from producing because of vibrations not hard up, improved orbital security.

2. This but auto-lock and be convenient for confirm whether not hard up fixing device for train track, cooperation through last ejector pin and movable block two is used, when the fixture block card advances in barb one, go up the ejector pin and upwards push up movable block one, simultaneously because the compressed air that is filled in the ring pipe, utilize linker principle movable block two to move upwards, make movable block two be higher than the top of alarm ring, when fixing device produces not hard up, movable block two can obviously descend, can see out that it takes place to become flexible, thereby reached and be convenient for confirm whether produce not hard up effect, the maintenance personal maintenance of being convenient for, detection time has been reduced, and the maintenance efficiency is improved.

Further, the number of the self-locking grooves is four, the width of each self-locking groove is not smaller than that of each clamping block, the depth of each self-locking groove is not larger than the radius of each bolt, the fixing nut is in a circular ring shape, and the outer diameter of each fixing nut is not larger than the inner diameter of each mounting nut.

Further, the distance of the first vertical barbs is not larger than the height of the fixture block, the inclined plane angle of the first vertical barbs is equal to the inclined plane angle of the fixture block, the length of the spring is not smaller than the depth of the groove formed in the right side of the mounting nut, and the height of the second vertical barbs is not smaller than the distance from the bottom of the lower ejector block to the inner bottom wall of the fixing nut.

Furthermore, the bottom of the lower ejector rod is provided with an inclined plane matched with the barb, and the top and the bottom of the alarm ring are respectively provided with a groove matched with the second movable block and the first movable block.

Further, the annular tube is filled with compressed air, and the diameter of the annular tube is not smaller than the inner diameter of the fixing nut.

Furthermore, four holes matched with the fixing nails are formed in the top of the alarm ring.

Furthermore, the two sides of the second movable block are fixedly connected with sealing rings, and the number of the second movable block is four.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a self-locking structure of the fixing nut of the present invention;

FIG. 3 is a schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a portion B of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the bolt structure of the present invention;

FIG. 6 is a schematic top view of the retaining nut of the present invention;

fig. 7 is a schematic sectional view of the fastening nut of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a fixing device for a train track capable of self-locking and facilitating confirmation of looseness includes a bolt 1, a self-locking groove 2, a first barb 3, a mounting nut 4, a spring 5, a push rod 6, a fixing nut 7, a fixture block 8, a second barb 9, a lower top block 10, an upper top block 11, a fixing nail 12, an alarm ring 13, a first movable block 14, an annular tube 15 and a second movable block 16, wherein the bolt 1 is provided with the self-locking groove 2 on the periphery thereof, the number of the self-locking grooves 2 is four, the width of the self-locking grooves 2 is not smaller than the width of the fixture block 9, the depth of the self-locking grooves 2 is not larger than the radius of the bolt 1, the inner wall of the self-locking groove 2 is fixedly connected with the first barb 3, the distance of the vertical barb 3 is not larger than the height of the fixture block 8, the bevel angle of the barb 3 is equal to the bevel angle of the fixture block 8, the outer side of the bolt 1 is threadedly connected with the fixing nut 7, a barb II 9 is fixedly connected to the inner bottom wall of the fixing nut 7, the height of the barb II 9 is not less than the distance from the bottom of a lower ejector block 10 to the inner bottom wall of the fixing nut 7, a fixture block 8 is movably connected to the middle of the fixing nut 7, the bottom of the fixture block 8 is fixedly connected with the lower ejector block 10 meshed with the barb II 9, the bottom of a lower ejector rod 10 is provided with an inclined plane matched with the barb II 9, a compressed air is filled in an annular pipe 15, the diameter of the annular pipe 15 is not less than the inner diameter of the fixing nut 7, an upper ejector block 11 penetrating through and extending to the top of the fixing nut 7 is fixedly connected to the top of the fixture block 8, a mounting nut 4 is in threaded connection with the outer side of the fixing nut 7, a spring 5 is fixedly connected to the inner wall of the mounting nut 4, the spring 5 is a compression spring, the length of the spring 5 is not less than the depth of a groove formed in, 12 fixedly connected with alarm ring 13 are passed through at the top of mounting nut 4, alarm ring 13's top, the bottom set up respectively with the groove of two 16 and the 14 looks adaptations of movable block, alarm ring 13's bottom swing joint has movable block one 14, annular pipe 15 has been seted up at alarm ring 13's middle part, alarm ring 13's top swing joint has movable block two 16, the equal fixedly connected with sealing washer in both sides of movable block two 16 and the quantity of movable block two 16 are four.

The working principle is as follows: in an initial state, the push rod 6 is popped outwards under the action of the spring 5, the first movable block 14 extends downwards under the action of gravity, the second movable block 16 is received in the alarm ring 13 under the action of gravity, when the alarm ring is in work, the fixed nut 7 is firstly in threaded connection with the bolt 1, the fixed nut 7 is screwed to a fastening position, the mounting nut 4 is then in threaded connection with the fixed nut 7, after the push rod 6 corresponds to the fixture block 8, the alarm ring 13 is fixedly connected with the mounting nut 4 through the fixing nail 12, the push rod 6 is pushed, the push rod 6 pushes the fixture block 8 to move inwards until the fixture block 8 is clamped into the self-locking groove 2, the fixed nut 7 and the bolt 1 are relatively fixed together, so that the self-locking effect is achieved, meanwhile, the first movable block 14 is jacked upwards by the upper jacking block 11, compressed air is filled in the annular pipe 15, so that a communicating device is formed, when the first movable block 14 moves upwards, the movable block 16 will move upward and higher than the top of the alarm ring 13, when the fixing device loosens, because the fixture block 8 moves to the outside of the fixing nut 7, at this time, the upper top block 11 moves to the outside, the movable block 14 and the movable block 16 both move downward under the action of gravity, so that the movable block 16 retracts into the alarm ring, when the maintenance personnel sees the situation, the maintenance personnel can clearly know that the fixing device loosens and should perform maintenance or replacement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but auto-lock just is convenient for confirm whether not hard up for train track fixing device, includes bolt (1), its characterized in that: the anti-theft bolt comprises a bolt body and is characterized by further comprising a self-locking groove (2), a first barb (3), an installing nut (4), a spring (5), a push rod (6), a fixed nut (7), a clamping block (8), a second barb (9), a lower ejector block (10), an upper ejector block (11), a fixing nail (12), an alarm ring (13), a first movable block (14), a ring pipe (15) and a second movable block (16), wherein the outer side of the bolt (1) is in threaded connection with the fixed nut (7), the inner bottom wall of the fixed nut (7) is fixedly connected with the second barb (9), the middle part of the fixed nut (7) is movably connected with the clamping block (8), the bottom of the clamping block (8) is fixedly connected with the lower ejector block (10) meshed with the second barb (9), the top of the clamping block (8) is fixedly connected with the upper ejector block (11) which penetrates through and extends to the top of the fixed nut (7, the inner wall fixedly connected with spring (5) of mounting nut (4), the outside fixedly connected with of spring (5) runs through and extends to push rod (6) of mounting nut (4) inboard, staple (12) fixedly connected with alarm ring (13) are passed through at the top of mounting nut (4), the bottom swing joint of alarm ring (13) has movable block one (14), annular pipe (15) have been seted up at the middle part of alarm ring (13), the top swing joint of alarm ring (13) has movable block two (16).

2. The self-lockable fixing device for train rails convenient for confirming whether the train rail is loosened according to claim 1, characterized in that: the number of the self-locking grooves (2) is four, the width of the self-locking grooves (2) is not smaller than that of the clamping blocks (9), the depth of the self-locking grooves (2) is not larger than the radius of the bolt (1), and the outer diameter of the fixing nut (7) is circular and not larger than the inner diameter of the mounting nut (4).

3. The self-lockable fixing device for train rails convenient for confirming whether the train rail is loosened according to claim 1, characterized in that: the interval of vertical barb (3) is not more than the height of fixture block (8) and the inclined plane angle of barb (3) equals with the inclined plane angle of fixture block (8), and spring (5) are the depth that the length of compression spring and spring (5) is not less than the recess seted up on mounting nut (4) right side, and the height of barb two (9) is not less than the distance of kicking block (10) bottom to diapire in fixation nut (7) down.

4. The self-lockable fixing device for train rails convenient for confirming whether the train rail is loosened according to claim 1, characterized in that: the bottom of the lower ejector rod (10) is provided with an inclined plane matched with the barb II (9), the top and the bottom of the alarm ring (13) are respectively provided with a groove matched with the movable block II (16) and the movable block I (14), compressed air is filled in the annular pipe (15), and the diameter of the annular pipe (15) is not smaller than the inner diameter of the fixing nut (7).