CN112276859B

CN112276859B - Anti-drop quick-installation pipe crane assembly for steel pipeline of railway vehicle and installation tool thereof

Info

Publication number: CN112276859B
Application number: CN202010927003.5A
Authority: CN
Inventors: 刘文飞; 张永炬; 张莉; 李哲弘
Original assignee: Taizhou University
Current assignee: Taizhou University
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2022-05-03
Anticipated expiration: 2040-09-07
Also published as: CN112276859A

Abstract

The invention discloses an anti-drop quick-assembly pipe crane component for a steel pipeline of a railway vehicle and an installation tool thereof. The invention aims to provide a novel reusable pipe crane assembly which can be quickly installed and prevented from falling off for a railway vehicle pipeline system, the size of an installation interface is the same as that of the existing pipe crane assembly, the pipe crane assembly can be directly replaced, and a matched installation tool can realize quick installation and disassembly of the pipe crane.

Description

Anti-drop quick-installation pipe crane assembly for steel pipeline of railway vehicle and installation tool thereof

Technical Field

The invention relates to an anti-drop quick-assembly pipe crane assembly for a steel pipeline of a railway vehicle and a mounting tool thereof, in particular to an anti-drop quick-assembly pipe crane assembly which is suitable for fixing the steel pipeline of the railway vehicle, has the characteristics of quick mounting, anti-drop, reusability and the like, and is matched with a mounting tool for quick mounting and dismounting of the pipe crane assembly.

Background

The railway train braking system at home and abroad generally adopts compressed air as a power source and transmits the compressed air through a steel pipeline system arranged on a train. The steel pipeline is fixed firmly with the vehicle body by a pipe crane so as to prevent the pipeline from leaking from the joint caused by vibration and deformation in the running process of the vehicle.

At present, a pipe crane assembly adopted on a vehicle is generally composed of a U-shaped pipe clamp with threads at two ends, a nut, a washer and a pipe gasket. A pipe hanging seat is arranged at a corresponding position on the vehicle body, and an oblong bolt hole is formed in the mounting surface of the pipe hanging seat so as to adapt to the mounting of pipelines with different diameters. During installation, the U-shaped pipe clamp is required to clamp the steel pipe and then penetrate through the pipe hanging seat, the pipe gasket is added between the steel pipe and the pipe hanging seat, and then the gasket and the nut are sequentially sleeved at the threaded end of the pipe clamp and fastened.

The pipe crane is assembled in the actual application process, and the nut is loosened frequently in the vehicle vibration process to cause the falling of the pipe crane, so that a brake pipeline is separated from a vehicle body, and the vehicle operation safety accident is caused. For the problems, two solutions are generally provided, one is that an anti-loosening nut and spring washer structure is adopted, but the structure is not beneficial to repeated disassembly and assembly of pipelines, the anti-loosening nut is difficult to disassemble and cannot be effectively reused after disassembly, and meanwhile, in the actual installation and operation process, the quality problems of neglected assembly and neglected tightening are caused due to the fact that operators forget to tighten the nut after the nut is installed; the other type is a lengthened U-shaped pipe clamp, after the installation and fastening are finished, the end part of the pipe clamp is clamped and flattened through a special tool to prevent the pipe crane from falling off, however, in the mode of vehicle maintenance, the steel pipeline can be replaced only by completely cutting off the pipe crane, the part waste is serious, the vehicle maintenance cost is high, the general size of the special clamping and flattening tool is large, the special clamping and flattening tool is influenced by the vehicle body structure and the pipeline installation position, all the pipe cranes of the whole vehicle cannot be clamped and flattened, and the potential safety hazard still exists in the application process.

Disclosure of Invention

Aiming at the problems of the pipe crane assembly in practical application, the invention aims to provide a novel reusable pipe crane assembly which can be quickly installed and prevented from falling off for a railway vehicle pipeline system, the size of an installation interface is the same as that of the existing pipe crane assembly, the installation interface can be directly replaced, and the matched installation tool can realize quick installation and disassembly of the pipe crane.

In order to achieve the purpose, the invention provides the following technical scheme: an anticreep fast-assembling pipe hanger subassembly for rail vehicle steel pipeline, including setting up in the lock box of the pipe hanger seat of pipeline top, cooperation pipe hanger seat and from the pipeline below to go up the pipe strap that runs through pipe hanger seat and cooperation lock box, the pipe hanger seat is including setting up in the first mounting panel between pipeline and lock box and setting up perpendicularly in the second mounting panel of first mounting panel lateral part, first mounting panel is equipped with the first logical groove of cooperation pipe strap, the lock box is including setting up in the box body of first mounting panel upper end, set up in the box body and communicate in the locking cavity in first logical groove and set up in the locking cavity and cooperate the locking subassembly of pipe strap.

Preferably, the locking assembly comprises a lock sleeve, a lock shaft arranged in the lock sleeve, a plurality of lock tongues coaxially arranged on the side of the lock sleeve in parallel, and a third through groove arranged in the lock sleeve, the pipe clamp is matched with any lock tongue to form a protruding part, the box body is matched with the third through groove to form a limiting part, and the lock shaft is provided with a second stop block matched with the limiting part.

Preferably, the limiting part comprises a stop spring embedded in the box body and a first stop arranged on one side, facing the lock sleeve, of the stop spring, a first inclined plane is arranged on one side, facing the second stop, of the first stop, and a second inclined plane is arranged on the second stop in a matched mode with the first inclined plane.

Preferably, a lock shaft spring is arranged between the sealing end of the lock sleeve and the lock shaft, and the lock shaft is matched with the lock shaft spring to extend to form a sleeve body.

Preferably, the opening end of the locking assembly and the opening end of the box body are matched to be provided with a locking cover, and the locking sleeve is fixedly connected with the box body in a screw connection mode.

Preferably, a pipe pad is arranged between the pipe hanging seat and the pipeline, an arc-shaped groove matched with the pipeline is formed in the lower end of the pipe pad, and fourth through grooves matched with the pipe clamp are formed in the two end portions of the pipe pad.

Preferably, a plurality of strip-shaped grooves are formed in the contact surface of the pipe cushion and the pipe hanging seat, and a plate spring is arranged in any one of the strip-shaped grooves.

The utility model provides an installation tool for pipe crane equipment, includes the first handle of clearance fit lock box, runs through first handle and the adjustment assembly of cooperation lock axle, adjustment assembly includes the knock pin of cooperation lock axle rotary motion, the double-screw bolt of cooperation lock axle horizontal migration and sets up in the second handle of double-screw bolt tip, the inner wall of first handle fit double-screw bolt is equipped with the screw thread.

Preferably, the end face of the ejector pin matched with the lock shaft is provided with a square groove, the end face of the ejector pin matched with the stud is provided with a conical cambered surface, and the side face of the lock shaft matched with the ejector pin is provided with a square bump.

Preferably, the outer wall of the ejector pin arranged inside the first handle is sleeved with an ejector pin spring, one end of the ejector pin spring is fixed on the inner wall of the first handle, and the other end of the ejector pin spring is fixed on the ejector pin.

The invention has the following advantages:

the fast-assembly anti-drop pipe crane assembly and matching installation tool can realize fast installation of railway vehicle pipelines, and realize anti-drop and anti-drop of pipeline installation through locking of the pipe clamp and the lock box; meanwhile, the quick disassembly during vehicle maintenance can be realized by means of the installation tool, any part is not required to be damaged, and the quick disassembly tool has the characteristics of convenience in installation, safety, reliability and saving of the maintenance cost.

Drawings

FIG. 1 is an assembly and installation schematic view of a fast-assembling anti-drop pipe crane for railway vehicles according to the invention;

FIG. 2 is an exploded view of the fast-assembling anti-drop pipe crane assembly structure;

FIG. 3 is a transverse sectional view of the fast-assembling anti-drop pipe crane;

FIG. 4 is an assembled longitudinal sectional view of the quick-assembling anti-drop pipe crane;

FIG. 5 is a schematic view of a mating installation tool of the present invention;

FIG. 6 is an exploded view of the installation tool;

FIG. 7 is a partial cross-sectional view of the installation tool;

fig. 8 is a schematic view of the manner in which the kit is used.

In the figure: 1. a pipe hanger seat; 2. a pipeline; 3. a lock case; 4. a pipe clamp; 5. a tube pad; 6. a first stopper; 7. a stopper spring; 8. a lock sleeve; 9. a latch bolt; 10. a lock shaft spring; 11. a lock shaft; 12. a second stopper; 13. a locking cover; 14. a screw; 15. a plate spring; 16. a first handle; 17. a knock pin spring; 18. a knock pin; 19. a stud; 20. a first mounting plate; 21. a second mounting plate; 22. a first through groove; 23. a box body; 24. a locking cavity; 25. a second through groove; 26. a third through groove; 27. a boss portion; 28. a sleeve body; 29. a fourth through groove; 30. a strip-shaped groove; 31. a second handle; 32. a square groove; 33. and a square bump.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.

A anticreep fast-assembling pipe hangs subassembly for rail vehicle steel pipeline, including set up in pipe hanger seat 1 of pipeline 2 top, cooperation pipe hanger seat 1 lock box 3 and follow pipeline 2 below to go up run through pipe hanger seat 1 and cooperate the pipe strap 4 of locking box 3, pipe hanger seat 1 is including setting up in pipeline 2 and lock box 3 within a definite time first mounting panel 20 and set up perpendicularly in the second mounting panel 21 of first mounting panel 20 lateral part, first mounting panel 20 is equipped with the first logical groove 22 of cooperation pipe strap 4, lock box 3 is including setting up in the box body 23 of first mounting panel 20 upper end, set up in box body 23 and feed through in the locking cavity 24 of first logical groove 22 and set up in locking cavity 24 and cooperate the locking subassembly of pipe strap 4.

In the present invention, referring to fig. 1, the second mounting plate 21 of the pipe hanger 1 is welded to the steel structure of the vehicle, the first mounting plate 20 is generally positioned right above the pipeline 2, the whole pipe hanger 1 is arranged perpendicular to the direction of the pipeline 2, and the first mounting plate 20 is provided with an elongated first through groove 22 for inserting the pipe clamp 4. Lock box 3 is installed in the upper end of first mounting panel 20, and lock box 3 is the cuboid structure, and inside division has the locking cavity 24 of installation locking subassembly. Pipe strap 4 is installed from pipeline 2 below to the top, pipe strap 4 is U type structure, and the circular arc end is used for blocking pipeline 2, and the both ends of circular arc end are equipped with the free end that upwards runs through pipe hanger seat 1 and insert in lock box 3. The bottom of the lock box 3 is provided with two oblong through slots corresponding to the first through slots 22, so that the free end can be inserted into the locking cavity 24 through the oblong through slots. The pipeline 2 is fixed to the one end of pipe strap 4, and the other end passes through pipe hanger 1 and inserts in the locking cavity 24 of lock box 3 to the locking subassembly of locking in the lock box 3 pins, and then makes pipeline 2 fix on pipe hanger 1. By adopting a matched mounting tool, the pipe clamp 4 can be quickly connected and locked with the lock box 3 arranged above, so that the pipeline 2 is firmly fixed with the vehicle body.

The locking subassembly includes lock sleeve 8, sets up lock shaft 11 in lock sleeve 8, coaxial set up in a plurality of spring bolts 9 of lock sleeve 8 lateral part side by side and set up in the third through groove 26 of lock sleeve 8, arbitrary spring bolt 9 of pipe strap 4 cooperation is equipped with bellying 27, box body 23 cooperation third through groove 26 is equipped with the locating part, lock shaft 11 is equipped with the second stopper 12 of cooperation locating part.

In the present invention, as shown in fig. 2 to 4, the entire locking assembly is movably disposed in the box body 23, the lock sleeve 8 is a barrel-shaped structure and can rotate in the box body 23, and since the vertical two sides of the second stopper 12 are both clamped in the third through-groove 26, when the lock sleeve 8 rotates, the lock shaft 11 can be driven to rotate; when the lock shaft 11 rotates, the lock sleeve 8 can also be driven to rotate. Two rectangular second through grooves 25 are arranged on one side of the lock sleeve 8 side by side, a rectangular third through groove 26 is formed in the vertical direction in a penetrating mode, a lock bolt 9 is arranged in each second through groove 25, and when the lock sleeve 8 is rotated, the lock bolts 9 also rotate. Two free ends of the U-shaped pipe clamp 4, which penetrate through the pipe hanging seat 1 upwards and are inserted into the lock box 3, are provided with protruding parts 27 matched with and corresponding to the lock tongues 9, the free ends can be inserted from the bottom of the lock box 3 and clamped by the lock tongues 9 on the lock sleeve 8, the free ends are clamped into the third through grooves 26 through the limiting parts and are locked, and the pipe clamp 4 and the lock box 3 are fixed firmly. When the pipe clamp needs to be unlocked, the limiting piece is ejected out of the third through groove 26 through the second stop block 12, and then the locking assembly can be rotated, so that the lock tongue 9 cannot block the protruding portion 27 of the pipe clamp 4, and the pipe clamp 4 can be taken out. The two free ends of the pipe strap 4 are sized to fit the opening size of the existing vehicular pipe hanger 1.

The locating part includes that embedded dog spring 7 of locating box body 23 with set up in dog spring 7 towards the first dog 6 of 8 one sides of lock sleeve, first dog 6 is equipped with first inclined plane towards one side of second dog 12, second dog 12 cooperates first inclined plane to be equipped with the second inclined plane.

In the present invention, as shown in fig. 3, the first stopper 6 and the stopper spring 7 for stopping the first stopper 6 are installed in the hole groove in the vertical direction of the case 23, and when the first stopper 6 enters the second through groove 25 in the vertical direction of the lock sleeve 8, the lock sleeve 8 is locked to prevent the rotation thereof, and the lock sleeve 8 is in the locked state. The stop spring 7 arranged above the first stop 6 is used for propping against the first stop 6 and preventing the first stop 6 from moving.

In the present invention, referring to fig. 2, when the lock sleeve 8 is in a locked state in the box 23, the lock shaft 11 drives the second stopper 12 to move when an external force pushes the lock shaft 11 to move along the axial direction. First dog 6 one side is the inclined plane, and the card is in the logical groove 26 of third of lock sleeve 8, can guarantee that lock shaft 11 moves to a certain position along the axial of lock sleeve 8, and simultaneously, the inclined plane of second dog 12 agrees with and can push out first dog 6 from the logical groove 26 of third of lock sleeve 8 gradually on the inclined plane of first dog 6, and lock sleeve 8 is in the unblock state this moment. The unlocked lock sleeve 8 can be driven by the lock shaft 11 and the second stopper 12 to rotate, so that the lock tongue 9 cannot clamp the protruding portion 27 of the pipe clamp 4, and the pipe clamp 4 can be taken out.

A lock shaft spring 10 is arranged between the sealing end of the lock sleeve 8 and the lock shaft 11, and a sleeve body 28 is arranged on the lock shaft 11 in an extending mode in cooperation with the lock shaft spring 10.

In the present invention, as shown in fig. 3, the lock shaft 11 is movable in the lock sleeve 8 in the axial direction, and the lock shaft spring 10 is used to abut against the lock shaft 11, so that the lock shaft 11 is kept in a fixed position in the lock sleeve 8. After the sleeve body 28 moves within the lock sleeve 8, it can be returned to the fixed position by the lock shaft spring 10.

The open end of cooperation locking subassembly and box body 23 is equipped with locking closure 13, lock sleeve 8 passes through screw 14 connected mode and box body 23 fixed connection.

In the present invention, referring to fig. 3, the lock cover 13 is mounted on one side of the lock box 3 and fixedly connected to the lock box 3 by using the screw 14, and the annular protrusion 27 is formed on one side of the lock cover 13 for blocking the lock sleeve 8 and preventing it from being protruded out of the lock box 3.

Pipe hanger 1 and pipeline 2 are equipped with pipe pad 5 within a definite time, the lower extreme of pipe pad 5 is equipped with the arc recess of cooperation pipeline 2, the both ends of pipe pad 5 all are equipped with the fourth logical groove 29 of cooperation pipe strap 4.

In the present invention, referring to fig. 3 to 4, a pipe pad 5 is disposed between the pipeline 2 and the pipe hanger base 1, and is made of a flexible material, and the pipe clamp 4 is inserted into the lock box 3 through the fourth through groove 29 and then through the pipe hanger base 1, so as to prevent the pipeline 2 from directly contacting the pipe hanger base 1, thereby causing abrasion of the pipeline 2.

The contact surface of the pipe gasket 5 and the pipe hanging seat 1 is provided with a plurality of strip-shaped grooves 30, and a plate spring 15 is arranged in any one of the strip-shaped grooves 30.

In the present invention, referring to fig. 2, two strip-shaped grooves 30 are arranged in parallel on the contact surface of the pipe pad 5 and the pipe hanger 1, and a strip-shaped plate spring 15 is arranged in each strip-shaped groove 30. After the pipe crane of the present invention is assembled, the pipe clamp 4 and the lock box 3 are locked to make the pipe gasket 5 closely contact with the pipe crane base assembly, so that the plate spring 15 is compressed. The elasticity provided by the plate spring 15 can eliminate the clearance of the locking structure in the pipe crane assembly, and prevent the looseness of the pipe crane assembly caused by the vibration of the vehicle operation.

Through the technology, when the lock sleeve 8 is in a locked state, the lock tongue 9 hooks the pipe clamp 4, and therefore fixing firmness of the pipe crane in assembly and use is guaranteed. When the lock shaft 11 is pushed from the outside to make the lock sleeve 8 in an unlocked state, the lock sleeve 8 rotates clockwise in the reverse direction shown in fig. 4, so that the lock tongue 9 can be separated from the pipe clamp 4, and the disassembly of the pipe crane assembly is realized.

A matched mounting tool for pipe crane assembly comprises a first handle 16 movably matched with a lock box 3, and an adjusting assembly penetrating through the joint of the first handle 16 and the lock box 3 and matched with a lock shaft 11, wherein the adjusting assembly comprises a top pin 18 matched with the lock shaft 11 to do rotary motion, a stud 19 matched with the lock shaft 11 to move horizontally and a second handle 31 arranged at the end part of the stud 19, and threads are arranged on the inner wall of the first handle 16 matched with the stud 19.

In the present invention, as shown in fig. 5 to 7, in order to facilitate the locking and unlocking operations of the locking assembly, a matched mounting tool matched with the pipe hanger assembly is provided, and the matched mounting tool is composed of parts such as a first handle 16, a knock pin 18, a stud 19, a second handle 31 and the like. The first handle 16 is of a "Y" shape, and has a cylindrical protrusion 27 on one branch for locking the lock case 3, and a threaded through hole on the other branch for installing the knock pin 18 and the stud 19. Because the stud 19 is connected with the first handle 16 through the internal and external threads, the second handle 31 can be manually rotated to control the screwing depth of the stud 19 into the handle, and further control the telescopic length of the ejector pin 18 so as to adapt to the sizes of lock boxes 3 with different specifications. The pin 18 has a flat surface on each side that corresponds to the flat surface in the hole in the first handle 16 so that the pin 18 can only move horizontally but not rotate in the hole in the first handle 16.

As shown in fig. 7, when the stud 19 is turned, the stud 19 is screwed into the threaded hole, and then the knock pin 18 is pushed and moved to the left. The diameter of the knock pin 18 is smaller than the inner diameter of the threaded hole so that it does not contact the internal threads and only moves horizontally relative to the first handle 16 without rotating.

In the invention, during installation or disassembly, an operator holds a matched installation tool to clamp two ends of the lock box 3, rotates the stud 19 to enable the ejector pin 18 to clamp the lock shaft 11, presses the handle to enable the lock shaft 11 to rotate, and further enables the pipe clamp 4 and the lock box 3 to be locked or separated, so that the installation and the disassembly of the pipe crane assembly are realized.

The end face of the ejector pin 18 matched with the lock shaft 11 is provided with a square groove 32, the end face of the ejector pin 18 matched with the stud 19 is provided with a conical cambered surface, and the side face of the lock shaft 11 matched with the ejector pin 18 is provided with a square bump 33.

In the present invention, two sides of the cylindrical surface of the knock pin 18, which is matched with the first handle 16, are planes, and two sides corresponding to the first handle 16 are planes, so as to ensure that the knock pin 18 cannot rotate in the hole of the first handle 16. The contact surface of the stud 19 and the ejector pin 18 is relatively rotated, so that the end surface of the ejector pin 18 is provided with a circular arc conical surface to reduce friction with the stud 19.

In the present invention, referring to fig. 3 and 7, the knock pin 18 is a cylindrical structure, and the end surface extending out of the first handle 16 is provided with a square groove 32, which can clamp a square protrusion 33 on the lock shaft 11, and the first handle 16 is rotated to drive the lock shaft 11 to rotate.

The outer wall of the ejector pin 18 arranged inside the first handle 16 is sleeved with an ejector pin 18 spring 17, one end of the ejector pin 18 spring 17 is fixed on the inner wall of the first handle 16, and the other end of the ejector pin 18 spring 17 is fixed on the ejector pin 18.

In the invention, referring to fig. 7, when the stud 19 is rotated in the direction, the spring can press the knock pin 18 back to the handle, and the lock shaft spring 10 is arranged between the lock shaft 11 and the shaft sleeve, so that the lock shaft spring 10 drives the lock shaft 11 to reset, and the second stopper 12 is driven to reset, and the first stopper 6 is ejected by the stopper spring 7 and then clamped into the third through groove 26 when locking next time.

In the present invention, referring to fig. 8, which is a schematic view of the use mode of the matched installation tool, when in use, the matched installation tool needs to be clamped at two ends of the lock box 3, the second handle 31 is rotated, the stud 19 extends the ejector pin 18 and clamps the lock shaft 11, the pipe clamp 4 is inserted into the lock box 3 at this time, then the first handle 16 of the installation tool is rotated downwards to rotate the lock shaft 11 and the lock sleeve 8, and when the first stop 6 falls into the groove of the lock sleeve 8, the pipe crane is assembled, locked and installed. During disassembly, the second handle 31 is continuously rotated, the stud 19 enables the lock shaft 11 to move axially in the lock sleeve 8, the first stop dog 6 is ejected out of the groove of the lock sleeve 8 through the second stop dog 12, then the first handle 16 of the installation tool is rotated upwards to drive the lock shaft 11 and the lock sleeve 8 to rotate, the pipe clamp 4 is separated from the lock box 3, and disassembly of assembly is achieved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A anticreep fast-assembling pipe hanger subassembly for rail vehicle steel pipeline, its characterized in that: including setting up in pipe hanging seat (1) of pipeline (2) top, lock box (3) of cooperation pipe hanging seat (1) and from pipeline (2) below to go up to run through pipe hanging seat (1) and cooperate pipe strap (4) of locking box (3), pipe hanging seat (1) is including setting up first mounting panel (20) between pipeline (2) and lock box (3) and set up perpendicularly in second mounting panel (21) of first mounting panel lateral part, first mounting panel (20) are equipped with first logical groove (22) of cooperation pipe strap (4), lock box (3) are including setting up box body (23) in first mounting panel (20) upper end, set up in box body (23) and feed through in locking cavity (24) of first logical groove (22) and set up in locking cavity (24) and cooperate the locking subassembly of pipe strap (4), the locking subassembly includes lock sleeve (8), sets up lock axle (11) in lock sleeve (8), The pipe clamp is characterized in that the pipe clamp is coaxially arranged in a plurality of lock bolts (9) on the side portion of the lock sleeve (8) in parallel and arranged in a third through groove (26) of the lock sleeve (8), a boss (27) is arranged in any one of the lock bolts (9) matched with the pipe clamp (4), a limiting part is arranged in the third through groove (26) matched with the box body (23), a second stop block (12) matched with the limiting part is arranged on the lock shaft (11), the limiting part comprises a stop block spring (7) embedded in the box body (23) and a first stop block (6) arranged on one side of the stop block spring (7) facing the lock sleeve (8), a first inclined surface is arranged on one side of the first stop block (6) facing the second stop block (12), and a second inclined surface is arranged on the first inclined surface matched with the second stop block (12).

2. The anti-drop quick-installation pipe hanger assembly for the steel pipelines of the railway vehicles as claimed in claim 1, which is characterized in that: a lock shaft spring (10) is arranged between the sealing end of the lock sleeve (8) and the lock shaft (11), and the lock shaft (11) is matched with the lock shaft spring (10) to extend to form a sleeve body (28).

3. The anti-drop quick-installation pipe hanger assembly for the steel pipelines of the railway vehicles as claimed in claim 1, which is characterized in that: the open end of cooperation locking subassembly and box body (23) is equipped with locking closure (13), lock sleeve (8) pass through screw (14) connected mode and box body (23) fixed connection.

4. The anti-drop quick-installation pipe hanger assembly for the steel pipelines of the railway vehicles as claimed in claim 1, which is characterized in that: pipe hanger seat (1) and pipeline (2) are equipped with pipe pad (5) within a definite time, the lower extreme of pipe pad (5) is equipped with the arc recess of cooperation pipeline (2), the both ends of pipe pad (5) all are equipped with fourth logical groove (29) of cooperation pipe strap (4).

5. The anti-drop quick-installation pipe hanger assembly for the steel pipeline of the railway vehicle as claimed in claim 4, wherein: the contact surface of the pipe cushion (5) and the pipe hanging seat (1) is provided with a plurality of strip-shaped grooves (30), and a plate spring (15) is arranged in any one of the strip-shaped grooves (30).

6. An installation tool for a pipe hanger assembly according to any one of claims 1 to 5, wherein: including first handle (16) of clearance fit lock box (3), run through first handle (16) and cooperate the adjusting part of lock axle (11), adjusting part is including cooperation lock axle (11) rotary motion's knock pin (18), cooperation lock axle (11) horizontal migration's double-screw bolt (19) and set up in second handle (31) of double-screw bolt (19) tip, the inner wall of first handle (16) fit double-screw bolt (19) in is equipped with the screw thread.

7. The pipe hanger assembly installation tool of claim 6, wherein: the end face of the ejector pin (18) matched with the lock shaft (11) is provided with a square groove (32), the end face of the ejector pin (18) matched with the stud (19) is provided with a conical arc face, and the side face of the lock shaft (11) matched with the ejector pin (18) is provided with a square bump (33).

8. The pipe hanger assembly installation tool of claim 6, wherein: the ejector pin (18) is arranged on the outer wall inside the first handle (16) and is sleeved with an ejector pin spring (17), one end of the ejector pin spring (17) is fixed on the inner wall of the first handle (16), and the other end of the ejector pin spring is fixed on the ejector pin (18).