CN115465767A - Lifting appliance suitable for lifting brake unit of railway vehicle and using method thereof - Google Patents
Lifting appliance suitable for lifting brake unit of railway vehicle and using method thereof Download PDFInfo
- Publication number
- CN115465767A CN115465767A CN202211163240.4A CN202211163240A CN115465767A CN 115465767 A CN115465767 A CN 115465767A CN 202211163240 A CN202211163240 A CN 202211163240A CN 115465767 A CN115465767 A CN 115465767A
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- CN
- China
- Prior art keywords
- lifting
- brake unit
- hook
- rail vehicle
- ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
Abstract
The invention relates to a lifting appliance suitable for lifting a rail vehicle brake unit and a using method thereof. The lifting appliance can lift the brake unit in a basically horizontal state, can effectively inhibit the deviation of the brake cylinder body in the lifting process, prevents the brake cylinder body from generating lateral inclination, enables the lifting operation to be simpler and more convenient, and improves the universality of the lifting appliance. Simultaneously, the hoist of this application has been reduced an operator when adopting the hoist and mount operation and has been assisted, has reduced intensity of labour, has improved production efficiency, has also avoided the paint of cylinder body and rotating turret framework to collide with, has guaranteed production quality, and has avoided the damage of M20 screw hole, has reduced the potential safety hazard of driving operation.
Description
Technical Field
The invention relates to the technical field of rail transit vehicle equipment, in particular to the technical field of installation operation of a bogie brake unit of a rail transit vehicle, and particularly relates to a lifting appliance suitable for lifting the brake unit of the rail transit vehicle and a use method thereof.
Background
At present, the railway vehicle bogie needs to hoist the brake unit in the process of bogie assembling operation, the brake unit is divided into a common brake cylinder and a parking brake cylinder, the two brake cylinders are irregular objects, particularly, the parking brake cylinder has a parking air chamber structure, and the center of gravity of the brake cylinder is deviated more due to the existence of the parking air chamber. If adopt traditional hoist to carry out the hoist and mount of braking unit, ordinary hanging tool to lock handling in-process because the skew of brake cylinder focus, cylinder body itself can produce about 30 slopes, causes installation complex operation, low in production efficiency, intensity of labour is big, and especially spare part surface paint collides with seriously, and easily causes braking unit cylinder body department screw hole and the unable alignment installation of nut when braking unit assembles with the bogie, leads to M20 screw hole screw thread to damage, has latent vehicle operation potential safety hazard.
Disclosure of Invention
The invention aims to provide a lifting appliance suitable for lifting a brake unit of a railway vehicle and a using method thereof, which can overcome the problems of center-of-gravity shift and lifting inclination of the brake unit in the lifting process, can horizontally lift the brake unit and greatly improve the quality and the production efficiency of products.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a lifting appliance suitable for lifting a rail vehicle brake unit, which is used for lifting an upper rib plate of the rail vehicle brake unit.
For the above technical solution, the applicant has further optimization measures.
Furthermore, the lifting hook is in a nearly U-shaped hook shape and comprises a vertical arm, a horizontal arm and a hook tip which are integrally formed, the vertical arm and the hook tip are respectively arranged on two sides of the horizontal arm in the length direction to form the U-shaped lifting hook body, the vertical arm and the horizontal arm are in arc transition, and the angle between the hook tip and the horizontal arm is 80-95 degrees.
Optionally, the limit stop is disposed perpendicular to a top end of the vertical arm.
Furthermore, a hanging ring is arranged at the joint of the limiting stop catch and the vertical arm, the hanging ring is arranged at the rear side of the vertical arm, and the inclination angle is 130-140 degrees.
Optionally, the end of the limit stop far away from the vertical arm is provided with rotation pins on two sides of the limit stop, the rotation pins are perpendicular to the vertical surface of the limit stop, the protection retainer ring is cylindrical, and a pin hole matched with the rotation pin for rotation is formed in the bottom surface of one side of the protection retainer ring.
Further, an end of the limit stopper is not shorter than the hook tip in the horizontal direction.
Particularly, this application still provides a hoist application method suitable for rail vehicle braking unit hoist and mount, and the hoist adopts structure as above, and the step of specifically hoisting rail vehicle braking unit includes:
step 1: connecting the lifting ring of the lifting appliance with a lifting belt with a shackle;
and 2, step: a lifting hole is formed in the upper part of the rail vehicle brake unit, a rib plate is arranged in the lifting hole, and a lifting belt is lowered to hook a lifting hook of the lifting appliance on the rib plate;
and step 3: the sling is slowly lifted, so that the sling is pulled up, the protective check ring at the end part of the limiting stop of the sling is abutted against the hole wall of the lifting hole, and the sling is continuously pulled up, so that the hoisting of the rail vehicle brake unit can be completed.
Further, when the rail vehicle brake unit is in a hoisting state, three points of contact points of the hoisting hole and the shackle, contact points of the lifting hook and the rib plate, and contact points of the protective check ring and the inner wall of the hoisting hole form three-point fixation, and stable hoisting of the rail vehicle brake unit is completed.
Optionally, the shackle is a U-shaped shackle.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the lifting appliance is of a specially designed structure, can lift the brake unit in a basically horizontal state, can effectively restrain the deviation of a brake cylinder body in the lifting process, prevents the generation of lateral inclination, enables lifting operation to be simpler and more convenient, and improves the universality of the lifting appliance. Simultaneously, the hoist of this application has reduced an operator when adopting the hoist operation of hoisting and has assisted, has reduced intensity of labour, has improved production efficiency, has also avoided the paint of cylinder body and rotating turret framework to collide with, has guaranteed production quality, and has avoided the damage of M20 screw hole, has reduced the potential safety hazard of driving operation.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of a spreader suitable for lifting a brake unit of a railway vehicle according to one embodiment of the present invention;
fig. 2 is a first state of use diagram of a spreader adapted for lifting a brake unit of a rail vehicle according to an embodiment of the present invention;
fig. 3 is a second state of use diagram of a spreader adapted for lifting a brake unit of a rail vehicle according to an embodiment of the present invention.
Wherein the reference numerals are as follows:
1. a lifting hook 11, a vertical arm 12, a horizontal arm 13 and a hook tip;
2. a limit stop 21 and a rotating pin;
3. a protective retainer ring;
4. a hoisting ring;
51. rib plates 52 and the inner wall of the hanging hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
the embodiment describes a lifting appliance suitable for lifting a rail vehicle brake unit, which is used for lifting an upper rib plate 51 of the rail vehicle brake unit, and as shown in fig. 1, the lifting appliance comprises a lifting hook 1, a limiting stop 2 and a protection retainer ring 3, wherein the top end of the lifting hook 1 is provided with the straight-bar-shaped limiting stop 2, and the end part of the limiting stop 2 is rotatably provided with the protection retainer ring 3.
In this embodiment, the lifting hook 1 is in a hook shape close to a U shape, and includes a vertical arm 11, a horizontal arm 12 and a hook tip 13 which are integrally formed, the vertical arm 11 and the hook tip 13 are respectively arranged on two sides of the horizontal arm 12 in the length direction to form the lifting hook 1 body in the U shape, the vertical arm and the horizontal arm 12 are in arc transition, and the angle between the hook tip 13 and the horizontal arm 12 is 80-95 degrees.
Preferably, the hook tip 13 and the horizontal arm 12 are in a perpendicular state, that is, the angle between the hook tip 13 and the horizontal arm 12 is 90 degrees, the hook tip 13 and the vertical arm 11 are in a parallel state, the vertical arm 11 and the horizontal arm 12 are in a state of being perpendicular to the main body, and the turning transition between the vertical arm 11 and the horizontal arm 12 is in the state of being in the arc transition. The structure can ensure that the lifting hook 1 can reliably hang the rib plate 51 on the upper part of the brake unit, and the unhooking is prevented.
The limiting stopper 2 is perpendicular to the top end of the vertical arm 11, and an inflection point A is arranged at a corner of the connecting part of the limiting stopper 2 and the vertical arm 11. The rear side of the joint of the limit stop 2 and the vertical arm 11 is provided with a block-shaped hanging plate, a circular through hole is formed in the hanging plate, so that the hanging ring 4 capable of being butted with a hanging strip and a shackle is formed, the circular O of the through hole in the hanging ring 4 is connected with the inflection point A to form a connecting line AO, the angle between the connecting line AO and the length direction of the limit stop 2 is the set inclination angle R of the hanging ring 4, and the angle range of the inclination angle R is 130-140 degrees, preferably 135 degrees. The angle design like this, rings 4 receive vertical ascending pulling force when the hoist hoists braking unit, can guarantee that spacing backstop 2 is in level or basic horizontally state at carrying the in-process, and then guarantee that protection retaining ring 3 can butt all the time, push the pore wall of holding hole of braking unit, guarantee the stability of hoist and mount process, the accurate butt joint and the nut of the later stage braking unit of being convenient for and rotating turret are fixed.
As for the arrangement of the protective check ring 3 at the position of the limit stop 2, two sides of the end part of the limit stop 2 far away from the vertical arm 11 are respectively provided with a rotating pin 21, the rotating pin 21 is perpendicular to the vertical surface of the limit stop 2, the protective check ring 3 is cylindrical, and a pin hole which is matched with the rotating pin 21 for rotation is formed in the bottom surface of one side of the protective check ring 3.
As a preferred embodiment, in order to ensure that the limit stop 2 and the protection retainer ring 3 can better abut against the inner wall of the lifting hole, and ensure the stability of the lifting process, the end of the limit stop 2 is not shorter than the hook tip 13 in the horizontal direction, that is, the setting position of the protection retainer ring 3 needs to be equal to or even exceed the horizontal position of the hook tip 13, so as to better inhibit the unhooking, and a limit protrusion can be further provided at the abutting position of the inner wall 52 of the lifting hole and the protection retainer ring 3, so that the protection retainer ring 3 can be better clamped and prevented from unhooking in the lifting process.
The lifting ring 4, the lifting hook 1 and the limit stop 2 in the lifting appliance are integrally formed and can be directly processed and formed by means of cutting, stamping, casting, turning and the like, the rotating pin 21 is locked at the end part of the limit stop 2 in a fixing mode of welding, riveting and the like, and the protection check ring 3 is assembled at the end part of the limit stop 2 while the rotating pin 21 is fixed.
Example 2:
the embodiment describes a method for using a lifting appliance suitable for lifting a brake unit of a railway vehicle, wherein the lifting appliance adopts the structure as described in embodiment 1, and specifically the step of lifting the brake unit of the railway vehicle comprises the following steps:
step 1: a sling with a U-shaped shackle is connected with a lifting ring 4 of the lifting appliance;
step 2: a lifting hole is formed in the upper part of the rail vehicle brake unit, a rib plate 51 is arranged in the lifting hole, and a lifting hook 1 of the lifting appliance is placed down to hook the rib plate 51, as shown in a first use state in fig. 2;
and step 3: and the sling is lifted by slowly lifting the sling, the protective check ring 3 at the end part of the limit stop 2 of the sling is abutted against the hole wall of the lifting hole, namely the sling is kept in the second use state as shown in figure 3, and the hoisting of the rail vehicle brake unit can be completed by continuously lifting the sling in the second use state.
When the rail vehicle brake unit is in a hoisting state, three points of contact points of the hoisting hole and the shackle, the hook 1 and the rib plate 51 and the protective check ring 3 and the inner wall 52 of the hoisting hole are fixed, and stable hoisting of the rail vehicle brake unit is completed. Meanwhile, because the lifting appliance in the embodiment has the inclination angle between the lifting ring 4 and the limit stop 2 of 135 degrees, the lifting ring 4 is vertically pulled upwards when the lifting appliance lifts the brake unit, the limit stop 2 can be ensured to be in a horizontal or basically horizontal state in the lifting process, and then self-locking is formed by the dead weight of the brake unit, the protection retainer ring 3 can be always abutted and pushed against the hole wall of the lifting hole of the brake unit, the stability of the lifting process is ensured, and the accurate butt joint and nut fixation of the brake unit and the rotating frame in the later period are facilitated.
In summary, the lifting appliance suitable for lifting the brake unit of the railway vehicle and the using method thereof have the advantages that the lifting appliance adopts a specially designed structure, the brake unit can be lifted in a basically horizontal state, the deviation of the brake cylinder body can be effectively inhibited in the lifting process, the lateral inclination is prevented, the lifting operation is simpler and more convenient, and the universality of the lifting appliance is improved. Simultaneously, the hoist of this application has reduced an operator when adopting the hoist operation of hoisting and has assisted, has reduced intensity of labour, has improved production efficiency, has also avoided the paint of cylinder body and rotating turret framework to collide with, has guaranteed production quality, and has avoided the damage of M20 screw hole, has reduced the potential safety hazard of driving operation.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a hoist suitable for rail vehicle braking unit hoist for hoist and mount rail vehicle braking unit's upper portion gusset, a serial communication port, including lifting hook, spacing backstop and protection retaining ring, the top of lifting hook is provided with the spacing backstop of vertical bar shape, the rotatable protection retaining ring that is provided with of tip of spacing backstop.
2. The lifting appliance suitable for lifting the brake unit of the railway vehicle as claimed in claim 1, wherein the lifting hook is in a shape of a nearly U-shaped hook, and comprises a vertical arm, a horizontal arm and a hook tip which are integrally formed, the vertical arm and the hook tip are respectively arranged at two sides of the horizontal arm in the length direction to form the U-shaped lifting hook body, the vertical arm and the horizontal arm are in arc transition, and the angle between the hook tip and the horizontal arm is 80-95 degrees.
3. A spreader suitable for lifting a brake unit of a railway vehicle as claimed in claim 2, wherein the limit stops are arranged perpendicular to the top end of the vertical arm.
4. The lifting appliance suitable for lifting the brake unit of the railway vehicle as claimed in claim 3, wherein a lifting ring is arranged at the joint of the limit stop and the vertical arm, the lifting ring is arranged at the rear side of the vertical arm, and the inclination angle is 130-140 degrees.
5. The lifting appliance suitable for lifting the brake unit of the rail vehicle as claimed in claim 3, wherein at the end of the limit stop far away from the vertical arm, rotation pins are respectively arranged at two sides of the limit stop, the rotation pins are arranged perpendicular to the vertical surface of the limit stop, the protection check ring is cylindrical, and a pin hole matched with the rotation pin for rotation is formed in the bottom surface of one side of the protection check ring.
6. A spreader suitable for lifting a brake unit of a railway vehicle as claimed in any one of claims 3 to 5, wherein the end of the limit stop is no shorter than the hook tip in the horizontal direction.
7. A method for using a lifting appliance suitable for lifting a braking unit of a railway vehicle is characterized in that the lifting appliance adopts a structure as claimed in any one of claims 1 to 6, and the step of lifting the braking unit of the railway vehicle specifically comprises the following steps:
step 1: connecting the lifting ring of the lifting appliance with a lifting belt with a shackle;
step 2: a lifting hole is formed in the upper part of the rail vehicle brake unit, a rib plate is arranged in the lifting hole, and a lifting belt is lowered to hook a lifting hook of the lifting appliance on the rib plate;
and step 3: the sling is slowly lifted, so that the sling is pulled up, the protective check ring at the end part of the limiting stop of the sling is abutted against the hole wall of the lifting hole, and the sling is continuously pulled up, so that the hoisting of the rail vehicle brake unit can be completed.
8. The use method of the lifting appliance suitable for lifting the rail vehicle brake unit according to claim 7, wherein when the rail vehicle brake unit is in a lifted state, three points of contact points of the lifting hole and the shackle, contact points of the lifting hook and the rib plate, and contact points of the protective retainer ring and the inner wall of the lifting hole are fixed, so that stable lifting of the rail vehicle brake unit is completed.
9. Use of a spreader suitable for lifting of a railway vehicle brake unit according to claim 7, wherein the shackle is a U-shaped shackle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163240.4A CN115465767A (en) | 2022-09-23 | 2022-09-23 | Lifting appliance suitable for lifting brake unit of railway vehicle and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163240.4A CN115465767A (en) | 2022-09-23 | 2022-09-23 | Lifting appliance suitable for lifting brake unit of railway vehicle and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115465767A true CN115465767A (en) | 2022-12-13 |
Family
ID=84335335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211163240.4A Pending CN115465767A (en) | 2022-09-23 | 2022-09-23 | Lifting appliance suitable for lifting brake unit of railway vehicle and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115465767A (en) |
-
2022
- 2022-09-23 CN CN202211163240.4A patent/CN115465767A/en active Pending
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