CN113941983B - Side door repairing device of impact type railway open wagon - Google Patents
Side door repairing device of impact type railway open wagon Download PDFInfo
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- CN113941983B CN113941983B CN202111143756.8A CN202111143756A CN113941983B CN 113941983 B CN113941983 B CN 113941983B CN 202111143756 A CN202111143756 A CN 202111143756A CN 113941983 B CN113941983 B CN 113941983B
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims description 20
- 244000208734 Pisonia aculeata Species 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 230000008439 repair process Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 210000003813 thumb Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses an impact type railway open wagon side door repairing device which comprises a base, a repairing platform, a platform lifting mechanism, a stabilizing frame, an impact hammer body and an ejection driving mechanism, wherein the base is placed on the ground on the side part of an open wagon, the repairing platform is installed on the base through the platform lifting mechanism, the stabilizing frame is fixed on the upper part of the repairing platform, the impact hammer body is a horizontal column, the middle part of the impact hammer body penetrates through the stabilizing frame and is in sliding connection with the stabilizing frame through a plurality of guide bearings uniformly distributed around the impact hammer body, the front end of the impact hammer body is opposite to a deformed side door, and the ejection driving mechanism is installed on the repairing platform and is connected with the impact hammer body. The invention utilizes the ejection driving mechanism to drive the impact hammer body to repair the deformed open wagon side door, thereby not only having high working efficiency, less required operators and large acting force adjusting range, but also being capable of repairing the side door with small deformation and the side door with large deformation, thereby reducing the waste of resources and lowering the production cost of enterprises.
Description
Technical Field
The invention relates to a device capable of rapidly repairing a side door of a railway open wagon with fault deformation, and belongs to the technical field of railway vehicles.
Background
The side door is an important part of the railway open wagon and is used for discharging materials in the wagon body. In the daily transportation process, the side door can be corroded and deformed due to corrosiveness of materials and outward expansion of the side wall, so that the side door of the open wagon can not be used continuously, and the side door of the open wagon must be maintained or replaced frequently. The raw materials demand is very big when large-scale steel enterprise normally produces, and the rail vehicle of transportation raw materials uses frequently, simultaneously, in order to improve work efficiency, many enterprises adopt the excavator to unload, and this kind of unloading mode causes the outer bulging deformation of side door more easily. If the side door cannot be maintained or replaced in time after being deformed, a large amount of material leakage phenomenon occurs during transportation, and great economic loss is caused for enterprises.
At present, the side door of the railway open wagon is generally repaired by adopting a manual heating and hammering mode after being deformed, the repairing mode has low working efficiency, more operators are needed, the acting force is small, only the side door with small deformation can be repaired, therefore, most of side doors with serious deformation can only be scrapped, great waste is caused, the production cost of enterprises is greatly improved, and therefore, how to quickly repair the deformed side door of the railway open wagon becomes a problem to be solved urgently for steel enterprises.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides an impact type railway open wagon side door repairing device which is used for rapidly and effectively repairing deformed open wagon side doors, reducing the waste of resources and lowering the production cost of enterprises.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an impact railway open wagon side door prosthetic devices, includes base, restoration platform, platform elevating system, stable frame, impact hammer body and ejection actuating mechanism, the base is placed subaerial at open wagon lateral part, restoration platform passes through platform elevating system and installs on the base, and the fixed stable frame in restoration platform's upper portion, impact hammer body is the cylinder of horizontal, and its middle part passes stable frame and through a plurality of guide bearings and the stable frame sliding connection around impact hammer body evenly distributed, and the front end of impact hammer body is relative with the side door of deformation, ejection actuating mechanism installs on restoration platform and is connected with impact hammer body.
According to the side door repairing device of the impact type railway open wagon, the ejection driving mechanism comprises the stop arm, the energy storage spring and the spring pressurizing cylinder which are coaxial with the impact hammer body, one end of the stop arm is hinged with the hinged seat fixed on the upper portion of the repairing platform, the middle portion of the stop arm corresponds to the limit groove on the side wall of the impact hammer body, the energy storage spring is located between the rear end of the impact hammer body and the ejector rod of the spring pressurizing cylinder, and the cylinder body of the spring pressurizing cylinder is fixed on the repairing platform.
According to the side door repairing device of the impact railway open wagon, the ejection driving mechanism further comprises the tension springs and the ejection shifting wheels, the two stop arms are symmetrically arranged on two sides of the impact hammer body and are connected through the tension springs, so that the stop arms can be clamped into the limit grooves on the side wall of the impact hammer body by means of the elasticity of the tension springs, the ejection shifting wheels are arranged between the two stop arms and are arranged on the stable frame through the shifting wheel seat, and the two stop arms can be ejected out of the limit grooves by rotating the ejection shifting wheels.
According to the side door repairing device of the impact railway open wagon, the platform lifting mechanism comprises the platform lifting hydraulic cylinder and four support columns, wherein the platform lifting hydraulic cylinder and the four support columns are vertically fixed on the base, the top rod of the platform lifting hydraulic cylinder is propped against the middle of the lower surface of the repairing platform, and the four support columns respectively slide through the guide holes in the four corners of the repairing platform.
According to the side door repairing device of the impact railway open wagon, the travelling wheels are arranged at the bottom of the base, the adjustable fixing mechanism is arranged on the upper portion of the base, the adjustable fixing mechanism comprises the stabilizing hooks, the stabilizing hook lifting cylinders, the front fixing frames and the front reset springs, the two support columns at the front of the base penetrate through the through holes in the front fixing frames and the stabilizing hooks and are in sliding connection with the front fixing frames and the stabilizing hooks, the lower ends of the front reset springs are propped against the base, the upper ends of the front reset springs are propped against the front fixing frames, the stabilizing hook lifting cylinders are vertically fixed on the upper portions of the front fixing frames, the ejector rods at the upper ends of the stabilizing hook lifting cylinders are propped against the stabilizing hooks, the hook heads at the front ends of the stabilizing hooks correspond to the wagon body of the railway open wagon, the supporting legs corresponding to the ground are arranged on the left side and the right side of the front fixing frames, and the limiting tables corresponding to the upper surfaces of the stabilizing hooks are arranged on the two support columns at the front of the base.
Above-mentioned impact railway open wagon side door prosthetic devices, adjustable fixed establishment still includes rear fixing frame, rear fixing frame lift cylinder and back reset spring, and two support columns at base rear portion are connected through being less than repair platform's crossbeam, and the through-hole on the rear fixing frame is passed to the lower extreme of two support columns and with rear fixing frame sliding connection, rear reset spring's lower extreme top is on the base, and the upper end top is on the rear fixing frame, rear fixing frame lift cylinder is vertical to be fixed in rear fixing frame upper portion, and the ejector pin top of rear fixing frame lift cylinder upper end is on the crossbeam, the left and right sides and the rear portion of rear fixing frame all are equipped with the landing leg corresponding with ground.
Above-mentioned impact railway open wagon side door prosthetic devices, the impact hammer block is equipped with pullback device, pullback device includes spool, nylon wire and recovery motor, spool and recovery motor are located the below of impact hammer block and install on repairing platform, and the spool is connected with the output shaft of recovery motor, the front end and the traction seat of fixing in impact hammer block lower part of nylon wire are connected, and the rear end winds on the spool.
According to the side door repairing device for the impact type railway open wagon, the energy storage spring is sleeved in the limiting guide sleeve coaxial with the energy storage spring, and the limiting guide sleeve is fixed on the repairing platform.
According to the side door repairing device for the impact type railway open wagon, two stabilizing frames are arranged, namely the front stabilizing frame and the rear stabilizing frame, and the stop arm is arranged between the two stabilizing frames.
According to the side door repairing device of the impact railway open wagon, the travelling wheels at the bottom of the base are universal wheels.
Compared with the traditional repairing mode, the method has the advantages that the working efficiency is high, fewer operators are needed, the acting force adjusting range is large, the side door with small deformation can be repaired, the side door with large deformation can be repaired, the waste of resources can be reduced, and the production cost of enterprises can be reduced.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic structural diagram of a repair platform;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of the front support column
FIG. 7 is a schematic illustration of the connection of two rear support posts;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a schematic view of the structure of the base;
FIG. 10 is a schematic structural view of a front stabilizing frame;
FIG. 11 is a schematic view of the construction of an impact ram;
FIG. 12 is a left side view of FIG. 11;
FIG. 13 is a schematic view of a stop arm construction;
fig. 14 is a schematic structural view of the stopper guide sleeve, in which fig. 14 (a) is a front view and fig. 14 (b) is a left side view;
fig. 15 is a schematic structural view of the cylinder platen, in which fig. 15 (a) is a front view and fig. 15 (b) is a left side view;
FIG. 16 is a schematic view of the structure of the front mount;
FIG. 17 is a bottom view of FIG. 16;
FIG. 18 is a schematic structural view of a stabilizing hook;
FIG. 19 is a bottom view of FIG. 18;
FIG. 20 is a schematic view of the structure of the rear mount;
FIG. 21 is a top view of FIG. 20;
FIG. 22 is a schematic view of the operation of the impact ram ejection device;
FIG. 23 is a schematic view of the partial operation of the base
FIG. 24 is a schematic diagram of an impact railway truck side door repair device;
fig. 25 is a right side view of fig. 24.
The figures are labeled as follows: 1. the device comprises a repairing platform, 2, an impact hammer body, 3, a limit groove, 4, a traction seat, 5, a front stabilizing frame, 6, a rear stabilizing frame, 7, a guide bearing, 8, a bearing seat, 9, a stop arm, 10, a hinge seat, 11, a tension spring, 12, an ejection driving wheel, 13, a driving wheel seat, 14, a limit guide sleeve, 15, a pull-back device, 15-1, a spool, 15-2, nylon wires, 15-3, a recycling motor, 16, an energy storage spring, 17, a spring pressing cylinder, 18, a pressing cylinder pressing plate, 19, a pressing cylinder mounting seat, 20, a walking wheel, 21, a support column, 22, a base, 23, a limit table, 24, a cross beam, 25, a platform lifting hydraulic cylinder, 26, a stabilizing hook, 27, a stabilizing hook lifting cylinder, 28, a front fixing frame, 29, a rear fixing frame, 30, a fixing frame spring mounting hole, 31, a rear fixing frame lifting cylinder, 32, a front reset spring, 33, a side door, 34, an open wagon, 35 and a rear reset spring.
Detailed Description
Referring to fig. 1 to 25, the invention mainly comprises a repairing platform 1, an impact hammer body 2, a limit groove 3, a traction seat 4, a front stabilizing frame 5, a rear stabilizing frame 6, a guide bearing 7, a bearing seat 8, a stop arm 9, a hinge seat 10, a tension spring 11, an ejection driving wheel 12, a driving wheel seat 13, a limit guide sleeve 14, a pull-back device 15, an energy storage spring 16, a spring pressing cylinder 17, a pressing cylinder pressing plate 18, a pressing cylinder mounting seat 19, a travelling wheel 20, a support column 21, a base 22, a limit table 23, a cross beam 24, a platform lifting hydraulic cylinder 25, a stabilizing hook 26, a stabilizing hook lifting cylinder 27, a front fixing frame 28, a rear fixing frame 29, a rear fixing frame lifting cylinder 31, a front return spring 32 and a rear return spring 35.
1-5 show that the repairing platform 1 is manufactured by welding a rectangular plane steel plate and channel steel, so that the strength and the flatness of the repairing platform 1 are guaranteed, the thickness of the steel plate of the repairing platform 1 in one embodiment of the invention is 100mm, square holes are formed in four corners and used for being matched with supporting columns 21, and mounting vacancies and seats of all parts are formed in the square holes;
fig. 1, 2, 6, 7 and 8 show that four support columns 21 are square steel, can also be made of four square tubes, have a cross section side length of 100mm and a height of 2000mm, are vertically welded on four corners of a base 22, and are provided with limiting tables 23 on two front support columns, wherein the bottom surfaces of the limiting tables 23 are 362mm away from the lower bottom surfaces of the support columns 21. A cross beam 24 is arranged between the two support columns at the rear part, the distance between the bottom surface of the cross beam 24 and the base 22 is 330mm, and when the device works, the support columns 21 longitudinally play a role in guiding and supporting and play a role in supporting radially;
fig. 1, 2, 9, 23, 24 and 25 show that the base 22 is a rectangular steel frame platform, and is manufactured by welding rectangular plane steel plates and channel steel, the thickness is 100mm, four support columns 21 are vertically welded on four corners of the base 22, a platform lifting hydraulic cylinder 25 is fixed in the middle of the upper surface of the base 22, the top surface of a push rod (piston rod) of the platform lifting hydraulic cylinder is in contact with the lower surface of the repairing platform 1 and is used for controlling the height of the repairing platform 1, and because the lifting range of the repairing platform 1 is larger, the platform lifting hydraulic cylinder 25 adopts a multi-stage hydraulic cylinder, the original height is 435mm, and the extending height is 786mm; four travelling wheels 20 are respectively arranged at four corners below the base 22, and the travelling wheels 20 are in running fit with the table top of the base 22 to realize universal movement;
1-5, 10-15 and 22 show that the repairing platform 1 is provided with an impact hammer body 2, a front stabilizing frame 5, a rear stabilizing frame 6, a guide bearing 7, a stop arm 9, an ejection thumb wheel 12, a limit guide sleeve 14, a pull-back device 15, an energy storage spring 16, a spring pressing cylinder 17 and a pressing cylinder pressing plate 18, which are used for providing impact force for a side door 33 to be repaired; the impact hammer body 2 is cylindrical round steel with the diameter of 200mm and the length of 800mm, the middle part is provided with a limit groove 3 matched with the stop arm 9, and the lower center line is provided with a traction seat 4; the front fixing frame 5 and the rear stabilizing frame 6 are of steel plate welded stable gate type steel structures, the upper and lower four corners are respectively provided with a bearing seat 8, the upper surface is provided with a guide bearing 7, and the stabilizing frames play a guide role in the working process of the impact hammer body; the stop arms 9 are of steel arc structures, one of the left and right sides is hinged with a hinge seat 10 fixed on the repairing platform 1, the hinge seat 10 is arranged between the front and rear stabilizing frames, the upper ends of the two stop arms 9 are connected through a tension spring 11, and the stop arms 9 are clamped in a limiting groove 3 at the middle position of the impact hammer body 2 in the state of waiting for impact; the ejection thumb wheel 12 is of a bidirectional special-shaped cam structure and is positioned above the tension spring 11, a driving device of the ejection thumb wheel 12 is arranged in a thumb wheel seat 13 arranged at the upper part between the front stabilizing frame 5 and the rear stabilizing frame 6, the ejection thumb wheel 12 is coaxially connected with the driving device, the ejection thumb wheel 12 is driven to rotate by the driving device, the ejection thumb wheel 12 pulls out the stop arm 9, and the stop arm 9 leaves the limit groove 3 of the impact hammer body 2 to realize the ejection of the impact hammer body; the pull-back device 15 is positioned on the centerline of the repairing platform 1 and between the rear stabilizing frame 6 and the limit guide sleeve 14, consists of a spool 15-1, a nylon wire 15-2 and a recovery motor 15-3, and is connected with the traction seat 4 at the lower part of the impact hammer body 2 through the nylon wire 15-2, and is used for pulling the impact hammer body 2 to a specified position, so that the stop arm 9 is clamped in the limit groove 3; the limit guide sleeve 14 is a semicircular cylinder, a circular through hole is formed in the limit guide sleeve, the periphery of the through hole is of a fully-closed structure, and the energy storage spring 16 is mainly compressed and stored in the area and is an area for generating various impact forces; the pressing cylinder pressing plate 18 is fixed on a pressing cylinder mounting seat 19 on the repairing platform 1 through bolts and is used for fixing the spring pressing cylinder 17 and bearing the reaction force exerted by the energy storage spring 16 on the spring pressing cylinder 17.
FIGS. 1, 2, 16-19, 23, 24, 25 show that the stabilizing hook 26, the stabilizing hook lifting cylinder 27, the front fixing frame 28 and the front return spring 32 are sequentially arranged at the two support columns 21 at the front end of the base 22 from top to bottom, and are used for limiting the longitudinal movement of the device and maintaining the lateral stability of the front part; the stabilizing hook 26 is provided with a square hole and is arranged on a supporting column 21 at the front part, a limiting table 23 is arranged on the supporting column 21, and the front end of the stabilizing hook 26 is provided with an upward hook head for hooking with the body of the open wagon 34; a stabilizing hook lifting cylinder 27 is arranged below the stabilizing hook 26 and is used for controlling the lifting of the stabilizing hook 26; the front fixing frame 28 is provided with square holes and is in sliding connection with the support columns 21, the frame body of the front fixing frame 28 is provided with support legs extending downwards obliquely from the left side and the right side, the bottom surfaces of the support legs are parallel to the ground, and the front fixing frame 28 is arranged at the lower end of the stabilizing hook lifting cylinder 27; the length, rigidity, outer circle diameter and number of turns of the front reset spring 32 are determined through various aspects, the rigidity requirement can support the weights of the stabilizing hooks 26, the stabilizing hook lifting cylinder 27 and the front fixing frame 28, the compression amount is smaller than the depth of the mounting hole, the upper end of the front reset spring 32 is mounted in the fixing frame spring mounting hole 30 at the bottom of the front fixing frame 28, the lower end of the front reset spring is propped against the base 22, the front fixing frame 28 can be lifted for a certain distance, and the supporting legs at two sides of the front fixing frame 28 are kept at a certain distance from the ground. When the piston rod of the stabilizing hook lifting cylinder 27 extends, the stabilizing hook 26 is lifted upwards to hook the vehicle body, the front fixing frame 28 begins to compress the front reset spring 32, and when the bottom surface of the supporting leg is contacted with the ground, the piston rod of the stabilizing hook lifting cylinder 27 continues to extend to prop up the front part of the base 22, and the front end of the whole repairing device is fixed; when the piston of the front stabilizing hook lifting cylinder 27 is reset, the front reset spring 32 resets, the front fixing frame 28 is jacked up, the bottom surface of the supporting leg is higher than the ground, and the stabilizing hook 26 descends to reset.
Figures 1, 2, 20, 21, 23, 24, 25 show that a rear mount 29, a rear mount lift cylinder 31 are mounted on two support columns 21 at the rear end of the base 22 for maintaining longitudinal and lateral stability of the rear of the device. The rear fixing frame 29 is provided with a square mounting hole which is arranged on the two rear supporting columns 21, the left and right parts of the rear fixing frame 29 are welded together by a connecting plate through a cross beam 24 between the two supporting columns 21, a groove in the middle of the connecting plate is the mounting position of a rear fixing frame lifting cylinder 31, the frame body of the rear fixing frame 29 extends out of the supporting legs along the outer side and the rear side, the bottom surfaces of the supporting legs are parallel to the ground and are used for maintaining the longitudinal and lateral stability of the rear part of the device, and the upper end of a rear reset spring 35 is arranged in a spring mounting hole at the bottom of the rear fixing frame 29; the lower end of the lifting cylinder 31 of the rear fixing frame is placed in a groove in the middle of the connecting plate, and the upper end ejector rod (piston rod) is contacted with the cross beam 24 between the two rear supporting columns 21. When the ejector rod of the lifting cylinder 31 of the rear fixing frame stretches out, the cross beam 24 is propped up, downward acting force is applied to the rear fixing frame 29, the rear fixing frame 29 moves downwards and compresses the rear reset spring 35 until the bottom surface of the support leg at the rear side and the outside of the frame body of the rear fixing frame 29 are contacted with the ground, and the rear part of the base 22 is supported by the ejector rod of the lifting cylinder 31 of the rear fixing frame when the ejector rod of the lifting cylinder 31 of the rear fixing frame stretches out continuously, so that a stable supporting structure is formed; when the piston rod of the lifting cylinder 31 of the rear fixing frame is reset, the rear reset spring 35 is reset, the rear fixing frame 29 is jacked up upwards, and the bottom surface of the supporting leg of the rear fixing frame 29 leaves the ground.
The invention has the following characteristics:
1. according to the invention, an original manual heating hammering mode is replaced by an impact side door repairing mode, a driving force is applied to the impact hammer body 2 through a compressed energy storage spring, and elastic potential energy is converted into kinetic energy, so that the energy loss is less, the cold repairing type energy source is saved, and meanwhile, the energy storage time is correspondingly reduced;
2. the design innovation of the stabilizing frame is that the front stabilizing frame 5 and the rear stabilizing frame 6 are internally provided with the oblique guide bearings, so that the impact and friction can be reduced, the impact accuracy is improved, and the upper space and the lower space of the impact hammer body 2 can be effectively provided with the ejection thumb wheel 12 and the recovery device of the impact hammer body;
3. the innovation of the starting mode of the impact process utilizes the cooperation of the stop arms 9 and the limit grooves 3, the ejection thumb wheel 12 pushes the two stop arms 9 to two sides by a smaller distance with smaller force, so that the impact hammer body 2 can be ejected, and the ejected impact hammer body 2 cannot be caused with resistance; when the impact hammer body 2 returns, the impact hammer body 2 is not subjected to the pressure of the energy storage spring 16, a motor with small volume and power can be used as a recovery motor on the pullback device 15, and the stop arm 9 is automatically clamped in the limit groove 3 under the action of the tension spring, so that the impact hammer body 2 is locked.
4. The innovative design of the stable structure is that the impact repairing mode is adopted, so that the reaction force to the main body structure is large in the working process, and therefore, the stable hook 26 is used for hooking the lower end edge of the open wagon 34, and the limiting device moves in the opposite direction; when the deformed side door 33 is repaired by the impact hammer, the deformation position is irregular, and the action force in different directions is generated at the initial contact stage with the impact hammer 2, so that the device shakes, therefore, the shaking at two sides of the device is limited by the support legs extending outwards from the front fixing frame 28 and the rear fixing frame 29, and the support legs extending backwards from the rear fixing frame 29 can limit the backward shaking of the whole device, thereby playing a role of rear support.
Finally, the repairing platform 1, the stabilizing hooks 26, the front fixing frame 28 and the rear fixing frame 29 are integrated on the base 22 through the supporting columns, and the repairing platform 1, the stabilizing hooks 26, the front fixing frame 28 and the rear fixing frame 29 can move up and down along the supporting columns 21, wherein the forces in all directions born by the repairing platform 1 are transmitted to the front fixing frame 28, the rear fixing frame 29 and the stabilizing hooks 26 through the supporting columns 21, so that the whole equipment is stabilized; the front fixing frame 28 and the rear fixing frame 29 are supported by the front reset spring 32 and the rear reset spring 35 to keep a distance from the ground, at this time, the device can change the position through the travelling wheel 20, and the front reset spring 32 and the rear reset spring 35 are compressed by the stabilizing hook lifting cylinder 27 and the rear fixing frame lifting cylinder 31 to lift the base and support the whole device; meanwhile, the stabilizing hooks 26 are integrated into the front support column 21, and the stabilizing hooks 26 are lifted by means of the stabilizing hook lifting cylinders 27, so that 'one-cylinder double control' is realized.
The application process of the invention is as follows:
the invention is moved to the position of the side of the open wagon 34 and placed on the side of the deformed side door 33, the walking wheels 20 are arranged under the invention, the vertical center surface of the impact hammer body 2 is aligned with the position to be repaired by transverse and longitudinal movement, and the position of the stabilizing hooks 26 which can hook the lower edge of the wagon 34 is ensured.
The vertical working height of the repairing platform 1 is controlled by lifting a piston rod of a platform lifting hydraulic cylinder 25, and the horizontal center plane of the impact hammer body 2 is aligned with a part to be repaired;
the piston rod of the stabilizing hook lifting cylinder 27 is extended, the stabilizing hook 26 is lifted upwards to hook the car body, when the stabilizing hook 26 is contacted with the limiting table 23, the piston rod of the stabilizing hook lifting cylinder 26 is extended continuously, the stabilizing hook lifting cylinder 26 starts to move downwards, the front fixing frame 28 is stressed to compress the front reset spring 32, the bottom surface of the supporting leg of the frame body of the front fixing frame 28 is contacted with the ground, the piston rod of the stabilizing hook lifting cylinder 26 is extended continuously, the front end of the whole device is supported by the front fixing frame 28, the front fixing frame 28 continues to compress the front reset spring 32, the front end of the whole device moves upwards to drive the stabilizing hook 26 to move upwards, when the front reset spring 32 is compressed in place, the lower surface of the square hole of the front fixing frame 28 is contacted with the upper surface of the base 22, the stabilizing hook 26 hooks the lower edge of the open car 34, and at the moment, the front end of the whole repairing device is fixed.
The piston rod of the lifting cylinder 31 of the rear fixing frame extends out, the upper surface of the piston rod props against the cross beam 24, the lifting cylinder 31 of the rear fixing frame moves downwards, the rear fixing frame 29 moves downwards, the rear reset spring 35 is compressed, the bottom surfaces of the supporting legs of the rear fixing frame 29 are contacted with the ground, the piston rod of the lifting cylinder 31 of the rear fixing frame continues to extend out, the rear reset spring 35 is compressed, the rear fixing frame 29 supports the rear part of the whole device to move upwards, the lower surface of a square hole of the rear fixing frame 29 is contacted with the upper surface of the base 22, and then the reset spring 35 cannot be compressed, so that the rear end of the whole repairing device is fixed.
The recovery motor 15-3 of the pull-back device 15 is turned on, the spool 15-1 rotates, the nylon wire 15-2 drags the traction seat 4 at the lower end of the impact hammer body 2, the impact hammer body 2 is pulled to a designated position, the stop arm 9 is clamped in the limit groove 3 under the action of the tension spring 11, and the impact hammer body 2 is locked;
the piston rod of the spring pressurizing cylinder 17 is extended to pressurize the energy storage spring 16, the energy storage spring 16 is compressed in the limit guide sleeve 14, and the compression amount is adjusted by observing the damage deformation degree of the side door 33.
The driving device of the ejection thumb wheel 12 is opened, the ejection thumb wheel 12 is driven to rotate, the ejection thumb wheel 12 dials the stop arm 9 to two sides, the stop arm 9 leaves the limit groove 3 of the impact hammer body, the impact hammer body 2 is acted by the pressurized energy storage spring 16 to convert elastic potential energy into kinetic energy, the impact hammer body 2 impacts the deformation part of the side door 33 along the axial direction in the front stable frame 5 and the rear stable frame 6, the side surface of the impact hammer body 2 contacts with the guide bearing 7 during ejection, friction force is reduced, impact accuracy is improved, and finally the spring pressurizing cylinder 17 is retracted.
The above process is an impact repair workflow.
The beneficial effects of the invention are as follows:
according to the invention, manual heating and hammering are not needed, and only personnel are needed to operate equipment, so that the side door is subjected to cold repair; under the condition that the deformation of the side door is overlarge, the side door can be repaired without being disassembled, the consumption of personnel and energy sources is reduced, the impact hammer body can be adjusted to any position on the side door, the base can be used for adjusting the transverse position through the travelling wheels, and the vertical height of the repairing platform can be adjusted by the platform lifting hydraulic cylinder. The operation is very convenient, and the labor intensity of workers is reduced;
when the invention works, the transverse and longitudinal stability can be kept under the combined action of the stabilizing hooks, the front fixing frame and the rear fixing frame, and the safety of operators is effectively protected;
the side door repairing device for the railway open wagon has the advantages of reasonable design, simplicity in operation, convenience in daily maintenance, safety in use and the like, greatly improves the side door maintenance efficiency, can repair a side door with serious partial deformation, and reduces the production cost of enterprises. Through measurement and calculation, taking the repair of 420 side doors as an example, the scrapped side doors can be saved, the repair cost reaches 29 ten thousand yuan, and the method has obvious economic and social benefits.
Claims (8)
1. The side door repairing device of the impact railway open wagon is characterized by comprising a base (22), a repairing platform (1), a platform lifting mechanism, a stabilizing frame, an impact hammer body (2) and an ejection driving mechanism, wherein the base (22) is placed on the ground at the side part of the open wagon (34), the repairing platform (1) is installed on the base (22) through the platform lifting mechanism, the stabilizing frame is fixed at the upper part of the repairing platform (1), the impact hammer body (2) is a horizontal column, the middle part of the impact hammer body passes through the stabilizing frame and is in sliding connection with the stabilizing frame through a plurality of guide bearings (7) uniformly distributed around the impact hammer body (2), the front end of the impact hammer body (2) is opposite to a deformed side door (33), and the ejection driving mechanism is installed on the repairing platform (1) and is connected with the impact hammer body (2); the ejection driving mechanism comprises a stop arm (9), an energy storage spring (16) and a spring pressurizing cylinder (17), wherein the energy storage spring (16) and the spring pressurizing cylinder (17) are coaxial with the impact hammer body (2), one end of the stop arm (9) is hinged with a hinged seat (10) fixed at the upper part of the repairing platform (1), the middle part of the stop arm corresponds to a limit groove (3) on the side wall of the impact hammer body (2), the energy storage spring (16) is positioned between the rear end of the impact hammer body (2) and a top rod of the spring pressurizing cylinder (17), and a cylinder body of the spring pressurizing cylinder (17) is fixed on the repairing platform (1);
the ejection driving mechanism further comprises tension springs (11) and ejection poking wheels (12), the two stop arms (9) are symmetrically arranged on two sides of the impact hammer body (2) and are connected through the tension springs (11), so that the ejection poking wheels (12) can be clamped into limit grooves (3) on the side walls of the impact hammer body (2) by means of the elasticity of the tension springs (11), the two stop arms (9) are arranged between the two stop arms and are arranged on the stable frame through poking wheel seats (13), and the two stop arms (9) can be ejected out of the limit grooves (3) through rotation of the ejection poking wheels (12).
2. The device for repairing the side door of the impact type railway open wagon according to claim 1, wherein the platform lifting mechanism comprises a platform lifting hydraulic cylinder (25) and four support columns (21), wherein the platform lifting hydraulic cylinder (25) is vertically fixed on a base (22), a top rod of the platform lifting hydraulic cylinder (25) is propped against the middle part of the lower surface of the repairing platform (1), and the four support columns (21) respectively slide through guide holes in four corners of the repairing platform (1).
3. The side door repairing device for the impact railway open wagon according to claim 2, wherein the bottom of the base (22) is provided with a travelling wheel (20), the upper part is provided with an adjustable fixing mechanism, the adjustable fixing mechanism comprises a stabilizing hook (26), a stabilizing hook lifting cylinder (27), a front fixing frame (28) and a front return spring (32), two support columns (21) at the front part of the base (22) penetrate through holes in the front fixing frame (28) and the stabilizing hook (26) and are in sliding connection with the front fixing frame (28) and the stabilizing hook (26), the lower end of the front return spring (32) is propped against the base (22), the upper end of the front return spring is propped against the front fixing frame (28), the stabilizing hook lifting cylinder (27) is vertically fixed on the upper part of the front fixing frame (28), a jacking rod at the upper end of the stabilizing hook lifting cylinder (27) is propped against the stabilizing hook (26), the hook heads at the front end of the stabilizing hook (26) are corresponding to the wagon bodies of the open wagon (34), the left side and right side of the front fixing frame (28) are provided with support legs corresponding to the ground, and the two support columns (21) at the front part (21) are provided with limiting tables corresponding to the surfaces of the stabilizing hook (23).
4. The device for repairing the side door of the impact railway open wagon according to claim 3, wherein the adjustable fixing mechanism further comprises a rear fixing frame (29), a rear fixing frame lifting cylinder (31) and a rear reset spring (35), two support columns (21) at the rear part of the base (22) are connected through a cross beam (24) lower than the repairing platform (1), the lower ends of the two support columns (21) penetrate through holes in the rear fixing frame (29) and are in sliding connection with the rear fixing frame (29), the lower end of the rear reset spring (35) is propped against the base (22), the upper end of the rear reset spring is propped against the rear fixing frame (29), the lifting cylinder (31) of the rear fixing frame is vertically fixed on the upper part of the rear fixing frame (29), and supporting legs corresponding to the ground are arranged on the left side and the right side of the rear fixing frame (29).
5. The side door repairing device for the impact railway open wagon according to claim 4, wherein the impact hammer body (2) is provided with a pull-back device (15), the pull-back device (15) comprises a spool (15-1), a nylon wire (15-2) and a recovery motor (15-3), the spool (15-1) and the recovery motor (15-3) are arranged below the impact hammer body (2) and mounted on the repairing platform (1), the spool (15-1) is connected with an output shaft of the recovery motor (15-3), and the front end of the nylon wire (15-2) is connected with a traction seat (4) fixed at the lower part of the impact hammer body (2), and the rear end of the nylon wire is wound on the spool (15-1).
6. The device for repairing the side door of the impact type railway open wagon according to claim 5, wherein the energy storage spring (16) is sleeved in a limiting guide sleeve (14) coaxial with the energy storage spring, and the limiting guide sleeve (14) is fixed on the repairing platform (1).
7. The device for repairing the side door of the impact type railway open wagon according to claim 6, wherein two stabilizing frames are arranged, namely a front stabilizing frame (5) and a rear stabilizing frame (6), and the stop arm (9) is arranged between the two stabilizing frames.
8. The device for repairing the side door of the impact type railway open wagon according to claim 7, wherein the travelling wheels (20) at the bottom of the base (22) are universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111143756.8A CN113941983B (en) | 2021-09-28 | 2021-09-28 | Side door repairing device of impact type railway open wagon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111143756.8A CN113941983B (en) | 2021-09-28 | 2021-09-28 | Side door repairing device of impact type railway open wagon |
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| CN113941983A CN113941983A (en) | 2022-01-18 |
| CN113941983B true CN113941983B (en) | 2024-02-02 |
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| TW201119807A (en) * | 2009-09-29 | 2011-06-16 | Dayton Progress Corp | Ball-lock retainers and methods for controlling ball bounce in a ball-lock retainer |
| CN102785231A (en) * | 2011-05-16 | 2012-11-21 | 罗伯特·博世有限公司 | Tool receiving device |
| CN207240113U (en) * | 2017-09-11 | 2018-04-17 | 油特机械工具（大连）有限公司 | Automate pneumatic hammer |
| CN109623739A (en) * | 2018-11-09 | 2019-04-16 | 魏元鹏 | A kind of expansion bolt fastening machine |
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2021
- 2021-09-28 CN CN202111143756.8A patent/CN113941983B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB916554A (en) * | 1959-06-20 | 1963-01-23 | Hans Wolfgang Fein | A power operated rotary impact tool |
| TW201119807A (en) * | 2009-09-29 | 2011-06-16 | Dayton Progress Corp | Ball-lock retainers and methods for controlling ball bounce in a ball-lock retainer |
| CN101758486A (en) * | 2010-01-21 | 2010-06-30 | 浙江海王电器有限公司 | Light single-button multifunctional electric hammer |
| CN102785231A (en) * | 2011-05-16 | 2012-11-21 | 罗伯特·博世有限公司 | Tool receiving device |
| CN207240113U (en) * | 2017-09-11 | 2018-04-17 | 油特机械工具（大连）有限公司 | Automate pneumatic hammer |
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| CN113941983A (en) | 2022-01-18 |
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