Railway wagon funnel punching equipment

Abstract

The invention discloses railway wagon funnel punching equipment which comprises a movable punching mechanism composed of a punch, a punching die and a driving mechanism and further comprises a punching positioning mechanism and a walking lifting system. The walking lifting system forms a supporting platform through a steel frame. A wheel type walking mechanism is arranged at the bottom of the frame; at least two groups of parallel pneumatic lifting devices are arranged in the frame and are used for supporting and lifting the punching positioning mechanism; the punching positioning mechanism is used for supporting and positioning a funnel component to be punched and comprises a punching die, a longitudinal positioning gear, a transverse positioning gear and a height adjusting hand wheel. According to the invention, a turnover mechanism is not needed to turn over the funnel opening until the bottom surface is upward, so that the investment of equipment is reduced; the punching positioning mechanism adopts a detachable mode, so that the funnel of different vehicle types and different sizes can be conveniently matched, and the universality is high; punches of the punching mechanism can be replaced, preparation of different hole diameters is achieved, a balancing device is arranged, and the operation labor intensity is relieved; compared with the drilling process, the punching process is shorter in time and higher in efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of railway freight car design and manufacturing, and relates to a processing and preparation technology for funnel bolts or rivet holes used in railway hopper cars equipped with detachable and interchangeable bottom doors, and specifically to a railway freight car funnel punching device. Background Art

[0002] Existing railway freight car hopper bolt holes are primarily machined and prepared in two ways. One is to machine and prepare them during the cutting of hopper components. This method requires high assembly precision for the entire hopper, often leading to deformation of the hopper after assembly and welding, resulting in deviations from the bolt holes on the bottom door and difficulty in assembly. The other method involves turning the hopper over with a flipping device, facing upward, and drilling using a jig after welding. This method is time-consuming and requires additional flipping equipment, resulting in high investment and being uneconomical. Therefore, a hole preparation device and punching process that is easy to use, highly precise, adaptable, and efficient is needed. Summary of the Invention

[0003] The present invention discloses a railway freight car hopper punching device in view of the deficiencies in the prior art. The problem to be solved by the present invention is to provide a punching device and a punching process for conveniently and accurately preparing holes for hopper bolts or rivets.

[0004] The present invention is achieved through the following technical solutions:

[0005] A railway freight car hopper punching device includes a punching mechanism consisting of a punch, a die, and a driving mechanism, and is characterized in that it also includes a punching positioning mechanism and a traveling lifting system;

[0006] The walking and lifting system is composed of a steel frame forming a support platform; a wheeled walking mechanism is provided at the bottom of the frame; at least two sets of parallel pneumatic lifting devices are provided in the frame for supporting and lifting the punching and positioning mechanism;

[0007] The punching positioning mechanism is used to support and position the funnel component to be punched, and includes a punching die, a longitudinal positioning stop, a transverse positioning stop, and a height adjustment handwheel; the punching die is a support template provided with punching marks, and the bottom is adjustable and fixed to an integral bracket through multiple sets of height adjustment handwheels arranged in parallel; the bracket is connected to the pneumatic lifting device of the walking and lifting system for driving the lifting; the adjacent edges of the support template of the punching die are respectively provided with longitudinal positioning stops and transverse positioning stops that can be slidably adjusted to adjust the positioning of the funnel component;

[0008] The punching mechanism can move freely and independently.

[0009] The punching mechanism described in the present invention is composed of a mobile platform, a supporting mechanism and a punching device; walking wheels are arranged at the bottom of the mobile platform, and a supporting mechanism is arranged in the middle of the mobile platform; the supporting mechanism is composed of a rotary positioning mechanism and a hydraulic power-assisting mechanism; the rotary positioning mechanism is arranged on the mobile platform and can rotate around the vertical center of the mobile platform; the hydraulic power-assisting mechanism is a quadrilateral liftable robotic arm, the outer end of the robotic arm is fixedly supported by the punching device, and the other end is fixedly supported on the rotary positioning mechanism.

[0010] Furthermore, a counterweight is provided inside the mobile platform of the punching mechanism for stabilizing the mobile platform.

[0011] Furthermore, the rotary position-shifting mechanism includes a rotatable cylinder or shaft fixed to the middle of the mobile platform, and the top support of the rotary cylinder or shaft is connected to a laterally arranged rotary arm.

[0012] Furthermore, the hydraulic power-assisting mechanism includes four sides of a parallelogram hinged to each other, one of two parallel sides of the four sides is hinged to the rotating arm, and the other side is provided with a connecting platform and a punching device is fixed thereon. The side hinged to the rotating arm is also connected to an adjacent side through a prestressed cylinder.

[0013] Furthermore, the longitudinal positioning block and the transverse positioning block are both adjustably fixed to the positioning holes on the punching die through bolts at the bottom; the positioning holes are oblong holes arranged longitudinally or transversely along the punching die.

[0014] Furthermore, a planar support frame is provided at the bottom of the punching die and is replaceably connected to the punching die via bolts.

[0015] Furthermore, the height adjustment handwheel is a manual screw adjustment mechanism, comprising: a nut arranged on the integral bracket, a screw rotatably coupled to the planar support frame at the bottom of the punching die, and its driving handwheel.

[0016] This railway freight car hopper punching equipment includes a hopper punching positioning mechanism, a travel and lifting system, and a punching mechanism. The travel and lifting system conveniently assists in the movement of the punching positioning mechanism, positioning the hopper and the hopper. The punching mechanism uses the prefabricated holes on the positioning system as a die to punch the hopper, replacing drilling for bolt holes and achieving fast and convenient hole production.

[0017] The process of the present invention has the following beneficial effects:

[0018] The process of this invention eliminates the need for a flipping mechanism to tilt the funnel mouth so that it faces upward, reducing equipment investment. The punching positioning mechanism is removable, facilitating adaptation to funnels of varying sizes and vehicle models, enhancing versatility. The punching mechanism features replaceable punches, enabling the production of various hole diameters. Compared to drilling, the punching process is faster and more efficient, and the punching mechanism is equipped with a balancing device to reduce operator labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the punching device and the funnel punching working state of the present invention;

[0020] Figure 2 It is a three-dimensional schematic diagram of the punching equipment and the funnel punching working state of the present invention;

[0021] Figure 3 This is a schematic diagram of the positioning mechanism and travel and lifting system of the punching equipment of the present invention;

[0022] Figure 4 Schematic diagram of the punching mechanism of the punching equipment of the present invention;

[0023] Figure 5 It is a side view of the positioning mechanism and the traveling and lifting system of the punching equipment of the present invention.

[0024] In the figure, 1-punching positioning mechanism, 2-travel lifting system, 3-punching mechanism, 4-funnel composition, 1-1-longitudinal positioning gear, 1-2-transverse positioning gear, 1-3-punching die, 1-4-height adjustment handwheel, 2-1-lifting device, 2-2-frame, 2-3-travel mechanism, 3-1-punch, 3-2-die, 3-3-drive mechanism, 3-4-hydraulic power assist mechanism, 3-5-rotational positioning mechanism, 3-6-counterweight, 3-7-travel wheel. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with specific embodiments. The specific embodiments are further explanations of the principles of the present invention and do not limit the present invention in any way. Technologies that are the same or similar to the present invention do not exceed the scope of protection of the present invention.

[0026] Combined with the attached drawings.

[0027] like Figure 1 As shown, the punching equipment of the present invention includes a punching positioning mechanism 1, a traveling and lifting system 2, and a punching mechanism 3. Its operating principle is as follows: the funnel assembly 4 to be punched is placed on a steel horse, the traveling and lifting system 2 is moved to the bottom of the funnel assembly 4, the lifting device 2-1 is activated, the punching positioning mechanism 1 is brought into close contact with the funnel opening of the funnel assembly 4, the punching positioning mechanism 1 is adjusted by rotating the height adjustment handwheel 1-4 so that the upper longitudinal positioning gear 1-1 and the transverse positioning gear 1-2 are positioned and closely engaged with the area to be punched, the punching mechanism 3 is moved to the punching position, and the driving mechanism 3-3 drives the punch 3-1 and the die 3-2 through the upper punching die 1-3 of the positioning mechanism to perform the punching operation. After completion, the device is moved to the bottom of another funnel assembly 4 and the above operation is repeated to perform the punching operation.

[0028] In conjunction with the accompanying drawings, the railway freight car hopper punching device of the present invention is described below:

[0029] 1) The punching positioning mechanism 1 consists of a longitudinal positioning gear 1-1, a transverse positioning gear 1-2, a punching die 1-3 and a height adjustment hand wheel 1-4.

[0030] The longitudinal positioning block 1-1 and the transverse positioning block 1-2 are connected to the frame 2-2 by bolts, and oblong holes are set on the longitudinal and transverse beams of the frame 2-2. The longitudinal positioning block 1-1 and the transverse positioning block 1-2 are adjusted along the oblong holes on the longitudinal or transverse beams of the frame 2-2 respectively to achieve positioning matching with the funnel that needs to be punched.

[0031] Punching dies 1-3 are fixed to frame 2-2 to achieve punching positioning. They are laser-cut from 3mm thick steel plates and bolted to the steel frame. Different punching dies 1-3 are used for different vehicle models.

[0032] The height adjustment hand wheel 1-4 can assist the pneumatic lifting device to make the punching die 1-3 close to the funnel.

[0033] 2) The traveling and lifting system consists of a steel frame 2-2, a pneumatic lifting device 2-1, and a traveling mechanism 2-3.

[0034] The steel frame 2-2 plays a supporting and connecting role and is as light as possible while ensuring stability. A handrail is set on one side to facilitate movement and operation.

[0035] The cylinder stroke of the pneumatic lifting device 2-1 must meet the overall height requirements and is connected to the punching positioning mechanism 1.

[0036] The running mechanism 2-3 adopts universal wheels and is arranged at the bottom of the steel frame 2-2.

[0037] 3) The punching mechanism 3 consists of a punch 3-1, a die 3-2, a driving mechanism 3-3, a hydraulic power-assisting mechanism 3-4, a rotary positioning mechanism 3-5, a counterweight 3-6, and a contoured running wheel 3-7.

[0038] The punch 3-1 and the die 3-2 are used together and can be replaced according to different hole diameter requirements.

[0039] The driving mechanism 3-3 is an electro-hydraulic punching device that provides the working pressure required for punching.

[0040] The hydraulic power-assisting mechanism 3-4 can save effort when the driving mechanism 3-3 is adjusted in the height direction.

[0041] The rotary position-shifting mechanism 3-5 can make the electro-hydraulic punching equipment of the driving mechanism 3-3 move horizontally over a large range without moving the steel frame 2-2, thereby increasing the punching operation coverage, reducing the overall movement workload, and facilitating the punching operation.

[0042] 3-6 counterweights can ensure that the equipment does not tip over.

[0043] The traveling wheels 3-7 are connected to the steel frame using universal wheels.

[0044] The punching positioning mechanism of the railway freight car funnel punching equipment of the present invention can realize the precise positioning of the relative positions of the bolt holes, and can adapt to the preparation of funnel bolt holes with different hole diameters and hole spacings in different vehicle models by replacing the punching die; the walking and lifting system can cover the entire working area and adapt to working positions in a certain height range; the punching process replaces the drilling process, which is more convenient and quick.

Claims

1. A railway freight car hopper punching device, comprising a punching mechanism consisting of a punch, a die, and a drive mechanism, characterized in that: It also includes a punching positioning mechanism and a walking and lifting system; The walking and lifting system is composed of a steel frame forming a support platform; a wheeled walking mechanism is provided at the bottom of the frame; at least two sets of parallel pneumatic lifting devices are provided in the frame for supporting and lifting the punching and positioning mechanism; The punching positioning mechanism is used to support and position the funnel component to be punched, and includes a punching die, a longitudinal positioning stop, a transverse positioning stop, and a height adjustment handwheel; the punching die is a support template provided with punching marks, and the bottom is adjustable and fixed to an integral bracket through multiple sets of height adjustment handwheels arranged in parallel; The bracket is connected to the pneumatic lifting device of the walking lifting system; the two adjacent edges of the support template of the punching die are respectively provided with longitudinal positioning gears and transverse positioning gears that can be slidably adjusted to adjust the positioning funnel component; The punching mechanism can move freely and independently.

2. The railway freight car hopper punching device according to claim 1, characterized in that: The punching mechanism is composed of a mobile platform, a supporting mechanism and a punching device; walking wheels are arranged at the bottom of the mobile platform, and a supporting mechanism is arranged in the middle of the mobile platform; the supporting mechanism is composed of a rotary positioning mechanism and a hydraulic power-assisting mechanism; the rotary positioning mechanism is arranged on the mobile platform and can rotate around the vertical center of the mobile platform; the hydraulic power-assisting mechanism is a quadrilateral liftable robotic arm, the outer end of the robotic arm is fixedly supported by the punching device, and the other end is fixedly supported on the rotary positioning mechanism.

3. The railway freight car hopper punching device according to claim 2, characterized in that: A counterweight for stabilizing the mobile platform is provided inside the mobile platform of the punching mechanism.

4. The railway freight car hopper punching device according to claim 2, characterized in that: The rotary position-changing mechanism comprises a rotatable cylinder or a rotating shaft fixed to the middle of the mobile platform, and the top support of the rotating cylinder or the rotating shaft is connected to a laterally arranged rotary arm.

5. The railway freight car hopper punching device according to claim 4, characterized in that: The hydraulic power-assisting mechanism includes four sides of a parallelogram hinged to each other, one of two parallel sides of the four sides is hinged to the rotating arm, and the other side is provided with a connecting platform and fixed with a punching device. The side hinged to the rotating arm is also connected to an adjacent side through a prestressed cylinder.

6. The railway freight car hopper punching device according to any one of claims 1 to 5, characterized in that: The longitudinal positioning block and the transverse positioning block are both adjustably fixed to the positioning holes on the punching die through bolts at the bottom; the positioning holes are oblong holes arranged longitudinally or transversely along the punching die.

7. The railway freight car hopper punching device according to claim 6, characterized in that: A planar support frame is provided at the bottom of the punching die and is replaceably connected to the punching die via bolts.

8. The railway freight car hopper punching device according to claim 7, characterized in that: The height adjustment handwheel is a manual screw adjustment mechanism, comprising: a nut arranged on the integral bracket, a screw rotatably connected to the planar support frame at the bottom of the punching die, and a driving handwheel thereof.

Images