Lifting appliance device and method for railway rescue

Abstract

The invention relates to the technical field of railway rescue, and discloses a lifting appliance device for railway rescue, which comprises a crane, the crane is in driving connection with a lifting arm, the lifting arm comprises a first-section arm, the front end of the first-section arm is in driving connection with a second-section arm, a lifting hook is hung at the front end of the second-section arm, and the lifting hook is movably connected with a first bolt. The lifting appliance device and method for railway rescue have the advantages that preparation before operation is simple and rapid, and better adaptability is achieved in the environment with the limited clearance height, and the problems that in the prior art, when lifting operation is carried out, the gravity center position of a lifting vehicle needs to be guaranteed by adjusting the length of a rope and selecting the lifting point position for many times, operation is tedious, and cost is high are solved. The problems that an existing railway rescue lifting appliance is inconvenient to use, and an existing railway rescue lifting appliance is usually high, so that operation cannot be carried out in an electrified railway with a contact net at the top of a locomotive or in narrow and low space such as a tunnel by adopting an existing lifting appliance are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of railway rescue technology, in particular to a lifting device and method for railway rescue. BACKGROUND

[0002] Transportation equipment such as locomotives and vehicles running on railways often derail or overturn due to certain reasons, which affects normal use of the railway. Therefore, removing obstacles on the line, rescuing locomotives and vehicles, rescuing passengers, and restoring line operation are of the utmost importance.

[0003] In the prior art, when performing lifting and recovery operations, the length of the rope and the position of the lifting point need to be adjusted multiple times to ensure the center of gravity of the lifted vehicle, which is complicated and inconvenient. Moreover, existing railway rescue lifting devices are usually high, and cannot be used in electrified railways with overhead contact systems on the top of the locomotive, or in such narrow and low spaces as tunnels. SUMMARY

[0004] To overcome the shortcomings of the prior art, the present application provides a lifting device and method for railway rescue, which has the advantages of simple and fast preparation before operation and better adaptability in environments with limited headroom, and solves the problems of complicated and inconvenient operation when performing lifting and recovery operations in the prior art, and the inability to use existing lifting and recovery equipment in electrified railways with overhead contact systems on the top of the locomotive or in such narrow and low spaces as tunnels.

[0005] The technical solution of the present application to solve the above technical problems is as follows: a lifting device for railway rescue, comprising a crane, the crane being drivingly connected with a lifting arm, the lifting arm comprising a one-section arm, the front end of the one-section arm being telescopically connected with a two-section arm, the front end of the two-section arm being suspended with a lifting hook, the lifting hook being movably connected with a first latch, the first latch being arranged at the front of a second beam mechanism, the rear of the second beam mechanism being movably connected with the front of a first beam mechanism, the rear of the first beam mechanism being hingedly connected with an extension frame at the bottom of the end of the one-section arm of the lifting arm.

[0006] The present application has the following advantages: 1) The lifting device and method for railway rescue have the advantage of simple and fast preparation before operation.

[0007] 2) The lifting device and method for railway rescue have the advantage of better adaptability in environments with limited headroom.

[0008] Based on the above technical solution, the present application can also be improved as follows.

[0009] Further, the second lifting beam mechanism is in a ladder-shaped structure, the upper cross beam of the second lifting beam mechanism is provided with a through groove, the first bolt is fixedly connected in the through groove, and the front end of the upper cross beam is fixedly connected with a vertical beam, and the bottom of the vertical beam is fixedly connected with the lower cross beam.

[0010] The beneficial effect of the above further scheme is that the ladder-shaped structure of the second lifting beam mechanism forms a fixed force arm between the upper cross beam and the lower cross beam, and the center of gravity is automatically aligned when the lower cross beam is inserted into the bottom of the vehicle, thereby significantly improving the rescue efficiency.

[0011] Further, the bottom of the lifting arm is fixedly connected with two extension frames, the two extension frames are both provided with a first insertion hole, the inside of the first lifting beam mechanism is provided with a second insertion hole matched with the first insertion hole, and the first insertion hole and the second insertion hole are both detachably connected with the second bolt.

[0012] The beneficial effect of the above further scheme is that the quick disassembly and assembly between the lifting arm and the lifting beam can be realized.

[0013] Further, the top of the opposite end of the first lifting beam mechanism and the second lifting beam mechanism is fixedly connected with a first connecting frame and a second connecting frame respectively, the first connecting frame and the second connecting frame are both provided with a first through hole matched with each other, and the first through hole of the first connecting frame and the second connecting frame is detachably connected with a third bolt.

[0014] The beneficial effect of the above further scheme is that the first lifting beam mechanism and the second lifting beam mechanism can be folded and separated, thereby facilitating transportation.

[0015] Further, the bottom of the opposite end of the first lifting beam mechanism and the second lifting beam mechanism is fixedly connected with a third connecting frame and a fourth connecting frame respectively, the third connecting frame and the fourth connecting frame are both provided with a second through hole matched with each other, and the second through hole of the third connecting frame and the fourth connecting frame is detachably connected with a fourth bolt.

[0016] The beneficial effect of the above further scheme is that the firmness between the first lifting beam mechanism and the second lifting beam mechanism is strengthened.

[0017] Further, the first through hole is provided with a convex stopper, and the two ends of the third bolt are provided with a concave stopper matched with the convex stopper.

[0018] The beneficial effect of the above further scheme is that high-precision self-locking positioning is realized, the connecting piece is prevented from being accidentally detached, and the assembly difficulty is reduced.

[0019] The application further provides a method for a lifting device for railway rescue, which comprises the following steps: S1: The first insertion hole and the second insertion hole are coincided and corresponded, and the second bolt is inserted; S2: the second arm extends forward, the hook is lowered to the height H1, and the hook is hooked to the bottom of the first pin and then tightened; S3: the lower crossbeam is inserted into the bottom of the vehicle to be rescued; S4: the lifting arm is lifted, the hook is lifted to the height H2, and the vehicle is suspended off the ground; S5: the crane is rotated to rotate the vehicle horizontally; S6: the lifting arm is lowered to the height H1 again, and the vehicle is placed on the rail; S7: the lower crossbeam is pulled away from the bottom of the vehicle, and the hook is lowered to be separated from the first pin; S8: the second pin is removed, and the first lifting beam mechanism is separated from the lifting arm.

[0020] Further, the step S1 further comprises the following steps: S01: the through holes of the first connecting frame and the second connecting frame are overlapped and corresponded, and the third pin is used to detachably connect them; S02: the through holes of the third connecting frame and the fourth connecting frame are overlapped and corresponded, and the fourth pin is used to detachably connect them.

[0021] Further, the step S8 further comprises the following steps: S001: the fourth pin is removed, and the third connecting frame and the fourth connecting frame are separated; S002: the first lifting beam mechanism and the second lifting beam mechanism are folded; S003: the hook is lowered, and the hook is hooked to the bottom of the third pin; S004: the hook is lifted to lift the second lifting beam mechanism with the first lifting beam mechanism; S005: the crane is moved to transport the second lifting beam mechanism with the first lifting beam mechanism to a safe area and place them; S006: the third pin is removed, and the first lifting beam mechanism and the second lifting beam mechanism are separated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural schematic diagram of the present application; Fig. 2 It is a connecting schematic diagram of the lifting beam structure of the present application.

[0023] In the figure: 1, lifting arm; 101, one-section arm; 102, two-section arm; 103, extension frame; 2, hook; 301, upper crossbeam; 302, lower crossbeam; 31, first lifting beam mechanism; 32, second lifting beam mechanism; 4, first pin; 5, second pin; 6, first connecting frame; 7, second connecting frame; 8, third pin; 9, third connecting frame; 10, fourth connecting frame; 11, fourth pin; 12, vehicle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0025] Embodiment one, by Figs. 1-2 The present application provides a hanger device and method for railway rescue, which comprises a crane, the crane is drivingly connected with a lifting arm 1, the lifting arm 1 comprises a one-section arm 101, the front end of the one-section arm 101 is telescopically connected with a two-section arm 102, the front end of the two-section arm 102 is suspended with a lifting hook 2, the lifting hook 2 is movably connected with a first bolt 4, the first bolt 4 is arranged at the front part of a second beam mechanism 32, the rear part of the second beam mechanism 32 is movably connected with the front part of a first beam mechanism 31, the rear part of the first beam mechanism 31 is hingedly connected with the extension frame 103 at the end of the one-section arm 101 of the lifting arm 1. Through the rotational connection of the one-section arm 101 and the first beam mechanism 31, the first beam mechanism 3 is close to one end of the one-section arm 101 as a fulcrum, the whole lifting beam acts as a lever, when rescuing, the lifting hook 2 lifts to generate a pulling force on the second beam mechanism 32, which can lift the vehicle 12 to be rescued through the lever principle, then through the slewing function of the crane itself, the wheel of the vehicle 12 to be rescued is moved to the rail to make it run normally, and the rigidly connected lifting beam replaces the traditional flexible rigging, which eliminates the operation of repeatedly adjusting the lifting point position and the rope length, thereby achieving the purpose of simple and fast preparation before operation. The second beam mechanism 32 is in a ladder-shaped structure, the upper cross beam 301 of the second beam mechanism 32 is provided with a through groove, the first bolt 4 is fixedly connected in the through groove, the front end of the upper cross beam 301 is fixedly connected with a vertical beam, the bottom of the vertical beam is fixedly connected with a lower cross beam 302, the ladder-shaped structure of the second beam mechanism 32 forms a fixed force arm between the upper cross beam 301 and the lower cross beam 302, which automatically aligns the center of gravity when inserted into the bottom of the vehicle 12, significantly improves the rescue efficiency, and the maximum height of the two-section arm 102 during operation is only slightly higher than the height of the vehicle 12, the actual minimum clearance requirement is only 3.2m, the lifting height H1 of the lifting hook 2 is compressed below the height of the vehicle body, forming double height optimization, which can adapt to the limited space with a clearance height ≤3.5m under the catenary or in the tunnel, thereby achieving the purpose of better adaptability in the environment with limited clearance height.

[0026] Embodiment two, this embodiment is further optimized on the basis of embodiment one, and the same parts as the foregoing technical solutions will not be described here Figs. 1-2 As shown, further, to better achieve the present application, in particular, the following arrangement is adopted: The bottom of the boom 1 is fixedly connected with two extension frames 11, the two extension frames 11 are each provided with a first insertion hole, the inside of the first hoisting beam mechanism 31 is provided with a second insertion hole matched with the first insertion hole, the inside of the first insertion hole and the second insertion hole is inserted with the second insertion pin 5, the extension frame 11 is arranged, the rigidity between the boom 1 and the first hoisting beam mechanism 31 is strengthened, and the rotation space of the first hoisting beam mechanism 31 is left, so that the first hoisting beam mechanism 31 is prevented from colliding with the boom 1 in the operation to cause damage, the first hoisting beam mechanism 31 and the extension frame 11 are connected through the second insertion pin 5, when the installation before the operation is carried out, the worker inserts the second insertion pin 5 into the insertion hole, so that the first hoisting beam mechanism 31 and the extension frame are connected, otherwise, when the disassembly is carried out, the second insertion pin is only pulled out, and then the quick disassembly and assembly between the boom 1 and the hoisting beam are realized. The opposite top of the first hoisting beam mechanism 31 and the second hoisting beam mechanism 32 is fixedly connected with a first connecting frame 6 and a second connecting frame 7 respectively, the first connecting frame 6 and the second connecting frame 7 are each provided with a first through hole matched, the inside of the first through hole of the first connecting frame 6 and the second connecting frame 7 is inserted with the third insertion pin 8, the two first through holes are each provided with a convex stop, the two ends of the third insertion pin 8 are each provided with a concave stop matched with the convex stop, the opposite bottom of the first hoisting beam mechanism 31 and the second hoisting beam mechanism 32 is fixedly connected with a third connecting frame 9 and a fourth connecting frame 10 respectively, the third connecting frame 9 and the fourth connecting frame 10 are each provided with a second through hole matched, the inside of the second through hole of the third connecting frame 9 and the fourth connecting frame 10 is inserted with the fourth insertion pin 11, the first connecting frame 6 and the second connecting frame 7 are rotationally connected through the third insertion pin 8, so that the first hoisting beam mechanism 31 and the second hoisting beam mechanism 32 can be folded, the third connecting frame 9 and the fourth connecting frame 10 are arranged, so that the first hoisting beam mechanism 31 and the second hoisting beam mechanism 32 are prevented from being separated to cause an accident in the operation, and the third insertion pin 8 and the fourth insertion pin 11 are arranged, so that the quick disassembly and assembly between the first hoisting beam mechanism 31 and the second hoisting beam mechanism 32 are realized.

[0027] Working principle: First innovation point implementation steps: S1: The first insertion hole is coincided with the second insertion hole, and the second insertion pin 5 is inserted; S2: The two-section arm 102 is stretched forward, the lifting hook 2 is transported to the same vertical line as the first insertion pin 4, the lifting hook 2 is lowered to the height H1, the lifting hook 2 is hooked at the bottom of the first insertion pin 4, and then it is tightened; S3: The crane advances, and the lower cross beam 302 is inserted into the bottom of the vehicle 12 to be rescued; S4: The boom 1 is lifted, the lifting hook 2 is lifted to the height H2, and the vehicle 12 is suspended off the ground; S5: The crane rotates, and the vehicle 12 is rotated in the horizontal direction; S6: Lower the boom 1 to the height H1 again, and place the vehicle 12 on the rails, height H1 < height H2 < height of the vehicle 12; S7: Extract the lower crossbeam 302 from the bottom of the vehicle 12, and lower the hook 2 to disengage it from the first pin 4; S8: Remove the second pin 5, and disengage the first boom mechanism 31 from the boom 1.

[0028] Second innovative point implementation steps: S01: Align the through holes of the first connecting frame 6 and the second connecting frame 7, and insert the third pin 8; S02: Align the through holes of the third connecting frame 9 and the fourth connecting frame 10, and insert the fourth pin 11.

[0029] S001: Remove the fourth pin 11, and separate the third connecting frame 9 and the fourth connecting frame 10; S002: Fold the first boom mechanism 31 and the second boom mechanism 32; S003: Retract the two-section boom 102 backward, so that the hook 2 is on the same vertical line as the third pin 8, lower the hook 2, and hook the hook 2 to the bottom of the third pin 8; S004: Raise the hook 2 to lift the second boom mechanism 32 from the first boom mechanism 31; S005: Move the crane to transport the second boom mechanism 32 and the first boom mechanism 31 to a safe area and place them; S006: Remove the third pin 8, and separate the first boom mechanism 31 and the second boom mechanism 32.

[0030] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent in such a process, method, article or apparatus. Without more limitations, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the element.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lifting device for railway rescue, comprising a crane, a lifting arm (1) is drivingly connected to the crane, the lifting arm (1) comprises a one-section arm (101), a two-section arm (102) is telescopically connected to the front end of the one-section arm (101), and a lifting hook (2) is hung at the front end of the two-section arm (102), characterized in that: The hook (2) is movably connected with the first bolt (4), the first bolt (4) is arranged in the middle of the second beam mechanism (32), the rear part of the second beam mechanism (32) is movably connected with the front part of the first beam mechanism (31), and the rear part of the first beam mechanism (31) is hingedly connected with the extension frame (103) at the end of the arm (101).

2. A lifting harness device for railway rescue according to claim 1, characterized in that: The second beam mechanism (32) is in a stepped structure, the upper cross beam (301) of the second beam mechanism (32) is provided with a through groove, the first bolt (4) is fixedly connected in the through groove, and the front end of the upper cross beam (301) is fixedly connected with a vertical beam, and the bottom of the vertical beam is fixedly connected with the lower cross beam (302).

3. A lifting harness device for railway rescue according to claim 2, characterized in that: The bottom of the arm (101) is fixedly connected with two extension frames (103), the two extension frames (103) are both provided with first insertion holes, the inside of the first beam mechanism (31) is provided with second insertion holes matched with the first insertion holes, and the first insertion holes and the second insertion holes are detachably connected with the second bolt (5).

4. A lifting harness device for railway rescue according to claim 2, characterized in that: The top of the opposite end of the first beam mechanism (31) and the second beam mechanism (32) is respectively fixedly connected with the first connecting frame (6) and the second connecting frame (7), the first connecting frame (6) and the second connecting frame (7) are both provided with matched first through holes, and the first through holes of the first connecting frame (6) and the second connecting frame (7) are detachably connected with the third bolt (8).

5. A lifting harness device for railway rescue according to claim 4, characterized in that: The bottom of the opposite end of the first beam mechanism (31) and the second beam mechanism (32) is respectively fixedly connected with the third connecting frame (9) and the fourth connecting frame (10), the third connecting frame (9) and the fourth connecting frame (10) are both provided with matched second through holes, and the second through holes of the third connecting frame (9) and the fourth connecting frame (10) are detachably connected with the fourth bolt (11).

6. A lifting harness device for railway rescue according to claim 4, characterized in that: The two first through holes are both provided with convex stop notches, and the two ends of the third bolt (8) are both provided with concave stop notches matched with the convex stop notches.

7. A method of applying a lifting device for railway rescue according to any of claims 1-5, characterized in that, The steps include the following steps: S1: the first insertion hole is coincided with the second insertion hole, and the second bolt (5) is inserted; S2: the second arm (102) is stretched forward, the hook (2) is lowered to the height H1, the hook (2) is hooked at the bottom of the first bolt (4), and then the hook (2) is tightened; S3: the lower cross beam (302) is inserted into the bottom of the vehicle (12) to be rescued; S4: the lifting arm (1) is lifted, the hook (2) is lifted to the height H2, the vehicle (12) is lifted off the ground, and the vehicle (12) is lifted off the ground; S5: the crane is rotated, and the vehicle (12) is rotated in the horizontal direction; S6: the lifting arm (1) is lowered to the height H1 again, and the vehicle (12) is placed on the rail; S7: the lower cross beam (302) is separated from the bottom of the vehicle (12), and the hook (2) is lowered to be separated from the first bolt (4); S8: the second bolt (5) is removed, and the first beam mechanism (31) is separated from the lifting arm (1).

8. A method of applying a lifting device for railway rescue according to claim 6, characterized in that, The step S1 further includes the following steps: S01: the through holes of the first connecting frame (6) and the second connecting frame (7) are coincided with each other, and the first connecting frame (6) and the second connecting frame (7) are detachably connected through the third bolt (8). S02: The through holes of the third connecting frame (9) and the fourth connecting frame (10) are overlapped and corresponded, and are detachably connected through the fourth bolt (11).

9. A method of applying a lifting device for railway rescue according to claim 6, characterized in that The step S8 further comprises the following steps: S001: The fourth bolt (11) is removed, and the third connecting frame (9) and the fourth connecting frame (10) are separated; S002: The first hanging beam mechanism (31) and the second hanging beam mechanism (32) are folded; S003: The lifting hook (2) is lowered, and the lifting hook (2) is hooked at the bottom of the third bolt (8); S004: The lifting hook (2) is raised to lift the second hanging beam mechanism (32) and the first hanging beam mechanism (31); S005: The crane moves to transport the second hanging beam mechanism (32) and the first hanging beam mechanism (31) to a safe area and place them; S006: The third bolt (8) is removed, and the first hanging beam mechanism (31) and the second hanging beam mechanism (32) are separated.

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