Rail car for assisting lifting of workpiece

Abstract

The utility model discloses a rail car for assisting lifting of workpieces, which comprises a horizontally arranged bottom plate, two sides of the bottom of the bottom plate are provided with sliding chutes, two sides of the top of the bottom plate are fixedly connected with horizontally arranged end beams, the two end beams are arranged in parallel at intervals, the top of each end beam is provided with a mounting hole, and the mounting holes are communicated with the sliding chutes. A vertically-arranged hydraulic cylinder is fixedly connected into each mounting hole, a supporting base used for bearing a workpiece is mounted above the bottom plate, and the bottom of the supporting base is fixedly connected with the piston rod ends of the hydraulic cylinders. A plurality of rib plates arranged at intervals are fixedly connected between the two end beams, the bottoms of the rib plates are fixedly connected to the bottom plate, and circulation holes are formed in the bottoms of the rib plates. According to the rail car, the sliding grooves are formed in the bottom plate, movement of the rail car in the horizontal direction is conveniently achieved, the labor intensity of workers is reduced, meanwhile, lifting of the supporting base is conveniently achieved through the arrangement of the hydraulic cylinder, and therefore the rail car lifts workpieces, the labor intensity of the workers is further reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary equipment for machine tool, especially to a track vehicle for assisting workpiece lifting. BACKGROUND

[0002] In the machining process of workpieces, the commonly used equipment includes machine tool equipment such as lathe and grinding machine, among which, the lathe is mainly used for cutting and processing rotating surfaces and helical surfaces of different sizes and shapes with turning tools; the grinding machine is used for grinding the surface of workpieces with high-speed rotating grinding wheels and other grinding tools.

[0003] In the process of grinding workpieces on the lathe, the workpieces often need to be lifted, for example, when the workpieces are heavy, at least two people are traditionally needed to lift them to realize clamping and positioning on the machine tool, which increases the labor intensity of the workers and reduces the work efficiency. In order to reduce the labor intensity of the workers, some mechanical equipment is set up in some workshops, but the workers still need to manually operate the mechanical equipment to realize the lifting of the lifting platform, and the operation process still needs to consume a certain labor intensity. SUMMARY

[0004] The utility model provides a track vehicle for assisting workpiece lifting to solve the above problems.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme of a track vehicle for assisting workpiece lifting, which comprises a horizontally arranged bottom plate, two sliding grooves are formed on the two sides of the bottom of the bottom plate, two horizontally arranged end beams are fixedly connected on the two sides of the top of the bottom plate, the two end beams are spaced apart and arranged in parallel, an installation hole is formed on the top of each end beam, a vertically arranged hydraulic cylinder is fixedly connected in each installation hole, a supporting seat for supporting workpieces is installed above the bottom plate, and the bottom of the supporting seat is fixedly connected with the piston rod end of the hydraulic cylinder.

[0006] A plurality of spaced apart rib plates are fixedly connected between the two end beams, the bottom of each rib plate is fixedly connected to the bottom plate, and a flow-through hole is formed in the bottom of each rib plate.

[0007] Preferably, the supporting seat comprises a horizontally arranged horizontal plate, an inclined plate is fixedly connected on the two sides of the horizontal plate, the high end of the inclined plate is arranged away from the horizontal plate, a horizontally arranged cover plate is fixedly connected to the high end of the inclined plate, and the cover plate is fixedly connected with the piston rod end of the hydraulic cylinder.

[0008] Preferably, the top of the bottom plate is further fixedly connected with two spaced apart connecting plates, the two ends of each connecting plate are fixedly connected with the end part of the end beam close to it, two open holes corresponding to the positions of the installation holes are formed on the two ends of each connecting plate, and a liquid discharge hole is further formed in the middle of one of the connecting plates.

[0009] Preferably, the end beam comprises a horizontally arranged top plate, the mounting holes are arranged on the top plate, two sides of the bottom of the top plate are fixedly connected with webs, the bottom of the web is fixedly connected with the bottom plate, and the bottom of the two webs is provided with a through hole; the fixed end of the hydraulic cylinder extends into the cavity between the two webs and is fixedly connected with the bottom plate.

[0010] Preferably, the mounting holes are two, and the two mounting holes are respectively arranged at two ends of the top plate, a guide hole is further arranged between the two mounting holes, a vertically arranged telescopic rod is fixedly connected in the guide hole, and the top of the telescopic rod is fixedly connected with the bottom of the cover plate.

[0011] Preferably, the top of the two inclined plates is fixedly connected with wear-resistant plates matched with the inclined plates, the bottom of the support seat is fixedly connected with support plates matched with the bottom of the support seat and arranged at intervals, the support plate comprises a concave-convex plate and a mounting plate, the concave-convex plate is fixedly connected with the bottom of the inclined plate and the horizontal plate, and the mounting plate is fixedly connected with the bottom of the cover plate and is integrally formed with the concave-convex plate.

[0012] Preferably, the outer side wall of the connecting plate is fixedly connected with a vertically arranged sliding plate, the side close to the concave-convex plate of the sliding plate is provided with a sliding groove, the concave-convex plate on the outer side is rotatably connected with a roller matched with the sliding groove, and the roller is slidably connected in the sliding groove.

[0013] Preferably, the two adjacent mounting plates are fixedly connected with a reinforcing plate, and the two adjacent concave-convex plates are fixedly connected with a fixed plate arranged at an angle; the two sides of the connection between the concave-convex plate and the mounting plate are fixedly connected with reinforcing plates.

[0014] Preferably, the top of the cover plate is fixedly connected with a plurality of spaced apart clamping plates, the clamping plates are one-to-one corresponding to the hydraulic cylinders and the telescopic rods, the clamping plates are provided with through holes, the cover plate is provided with connecting holes corresponding to the through holes, the clamping plates are fixedly connected with connecting columns, the connecting columns pass through the through holes and the connecting holes in sequence and are fixedly connected with the top of the hydraulic cylinders or the telescopic rods.

[0015] Preferably, the top of the top plate is fixedly connected with a lower displacement sensor, and the bottom of the cover plate is fixedly connected with an upper displacement sensor matched with the lower displacement sensor.

[0016] The utility model has the beneficial effects that (1) the track vehicle is convenient for cooperating with external equipment such as machine tool, realizes the movement of the track vehicle in horizontal direction, reduces the labor intensity of worker, and the setting of hydraulic cylinder is convenient for realizing the rising of support seat, so that the track vehicle hoists work piece, further reduces the labor intensity of worker, and improves work efficiency; (2) the through hole is set up on the rib plate, the communicating hole is set up on the web, and the liquid -draining hole is set up on the connecting plate, so that the grinding fluid in the track vehicle is discharged through the above-mentioned hole channel, the corrosion of grinding fluid to the track vehicle is reduced, and the service life of the track vehicle is prolonged; (3) the support seat is composed of horizontal plate, inclined plate and cover plate, the setting of horizontal plate is convenient for placing some horizontal pieces, the setting of inclined plate reduces the falling of work piece on one hand, and on the other hand, it is convenient for supporting cylindrical work piece, increases the contact area of cylindrical work piece and the track vehicle, and thus improves the stability of the track vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the connecting relation schematic diagram of the bottom plate and end beam of the utility model;

[0019] Figure 3 It is the connecting relation schematic diagram of the support seat and support plate of the utility model;

[0020] Figure 4 It is the connecting relation schematic diagram of the support plate and reinforcing plate, fixed plate of the utility model;

[0021] Figure 5 It is the connecting relation schematic diagram of the roller and slide of one of the embodiments of the utility model; DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings.

[0023] A kind of track vehicle for assisting work piece lifting, such as Figure 1As shown, the rail car includes a horizontally arranged bottom plate 1, both sides of the bottom of the bottom plate 1 are provided with a sliding groove 2, the external device is fixedly connected with a sliding rail matched with the sliding groove 2, the rail car is slidably connected on the sliding rail through the sliding groove 2 to realize the movement of the rail car in the horizontal direction, both sides of the top of the bottom plate 1 are fixedly connected with horizontally arranged end beams 3, the two end beams 3 are arranged in parallel and spaced apart, the end beams 3 and the center axis of the sliding groove 2 are arranged in parallel along the length direction, the top of each end beam 3 is provided with a mounting hole 4, the number of mounting holes 4 on the top of each end beam 3 is two in this embodiment, and the two mounting holes 4 are located at both ends of the end beam 3, a vertically arranged hydraulic cylinder 6 is fixedly connected in each mounting hole 4, a support seat 5 for supporting the workpiece is mounted above the bottom plate 1, the support seat 5 is arranged in a V shape, the V-shaped support seat 5 is convenient for limiting the lifted cylindrical workpiece, increasing the contact area of the cylindrical workpiece and the support seat 5, thereby improving the stability during lifting. The bottom of the support seat 5 is fixedly connected with the piston rod end of the hydraulic cylinder 6, so as to realize the lifting of the support seat 5 through the extension and retraction of the hydraulic cylinder 6, thereby realizing the lifting of the workpiece on the support seat 5; a plurality of spaced apart web plates 7 are fixedly connected between the two end beams 3, the bottom of the web plate 7 is fixedly connected on the bottom plate 1, and the bottom of the web plate 7 is provided with a flow hole 8. The grinding fluid used in the process of grinding and other operations of the machine tool will drop on the top of the bottom plate 1, and if it is not discharged in time, it will cause the rail car to rust and affect its service life, therefore, the flow hole 8 is arranged on each web plate 7, so that the grinding fluid can be discharged from the flow holes 8 arranged on the two end web plates 7.

[0024] In another embodiment, as shown in Figure 1 and Figure 3 As shown, the support seat 5 includes a horizontally arranged horizontal plate 9, both sides of the horizontal plate 9 are fixedly connected with an inclined plate 10 arranged in an inclined manner, the inclination angle of the inclined plate 10 can be set according to actual needs, which is not limited here, the high end of the inclined plate 10 is arranged away from the horizontal plate 9, the high end of the inclined plate 10 is fixedly connected with a horizontally arranged cover plate 11, and the cover plate 11 is fixedly connected with the piston rod end of the hydraulic cylinder 6. Through the combination of the horizontal plate 9 and the inclined plate 10, it is convenient to place some flat or other special-shaped workpieces on the horizontal plate 9, and the arrangement of the inclined plate 10 is convenient to increase the contact area between the cylindrical workpiece and the support seat 5, and to ensure the stability during lifting.

[0025] In another embodiment, as shown in Figure 1 and Figure 2As shown, the top of the bottom plate 1 is also fixedly connected with two spaced apart connecting plates 12, both ends of the two connecting plates 12 are fixedly connected with the end beam 3 end portion close to them, both ends of each connecting plate 12 are provided with an opening hole 13 corresponding to the position of the mounting hole 4, and the middle portion of one of the connecting plates 12 is also provided with a liquid drainage hole 14. In order to improve the drainage speed of the grinding liquid, the liquid drainage hole 14 can also be provided on the two connecting plates 12. The setting of the connecting plate 12 improves the stability of the connection between the bottom plate 1 and the end beam 3, and at the same time, the load bearing capacity of the rail car is also improved, and the service life is prolonged. In addition, since the fixed end of the hydraulic cylinder 6 extends into the end beam 3, by providing the opening hole 13, the oil pipe can pass through the opening hole 13 and be connected with the hydraulic cylinder 6.

[0026] In another embodiment, as shown in Figure 1 and Figure 2 The end beam 3 includes a horizontally arranged top plate 15, and the mounting hole 4 is located on the top plate 15. The bottom of the top plate 15 is fixedly connected with a web plate 16 on both sides, and the web plate 16 is fixedly connected with the bottom plate 1. The bottom of the two web plates 16 is provided with a communication hole 17. The fixed end of the hydraulic cylinder 6 extends into the cavity between the two web plates 16 and is fixedly connected with the bottom plate 1. Both ends of the connecting plate 12 are fixedly connected with the end portion of the web plate 16 close to them. The opening hole 13 provided on the connecting plate 12 is located between the two web plates 16, so that the oil pipe can pass through the opening hole 13 and enter the cavity between the two web plates 16 and be connected with the hydraulic cylinder 6. The end beam 3 is arranged in the form of the top plate 15 and the two web plates 16, forming a cavity structure on the inner wall of the end beam 3. On the one hand, it is convenient to install the hydraulic cylinder 6. On the other hand, it reduces the use of section bars and reduces production costs.

[0027] In another embodiment, as shown in Figure 1 and Figure 2 The mounting hole 4 is two, and the two mounting holes 4 are located at both ends of the top plate 15. A guide hole 18 is also provided between the two mounting holes 4. A vertically arranged telescopic rod 19 is fixedly connected in the guide hole 18. The piston rod end top of the telescopic rod 19 is fixedly connected to the bottom of the cover plate 11. By arranging the mounting hole 4 at both ends of each top plate 15 and installing the hydraulic cylinder 6 in the mounting hole 4, the hydraulic cylinder 6 is arranged at the four corners of the rail car, thereby improving the stability of the rail car during lifting. At the same time, the arrangement of the telescopic rod 19 further improves the load bearing capacity of the rail car and improves the stability of the rail car during lifting.

[0028] In another embodiment, as shown in Figure 1 and Figure 3As shown, the top of each of the two inclined plates 10 is fixedly connected with an abrasion-resistant plate 20 matched with the inclined plate 10, and the abrasion-resistant plate 20 can be made of rubber or other materials. The abrasion-resistant plate 20 is arranged to reduce the friction between the workpiece and the inclined plate 10, thereby prolonging the service life of the rail car and reducing the abrasion of the workpiece by the rail car and improving the product quality. The bottom of the support base 5 is fixedly connected with support plates 21 spaced apart and matched with the bottom of the support base 5, the support plates 21 include concave-convex plates 22 and mounting plates 23, the concave-convex plates 22 are fixedly connected to the bottom of the inclined plate 10 and the horizontal plate 9, and the mounting plates 23 are fixedly connected to the bottom of the cover plate 11 and integrally formed with the concave-convex plates 22. The arrangement of the support plates 21 improves the mechanical strength of the support base 5, thereby ensuring the stability during lifting.

[0029] In another embodiment, as shown in Figure 5 The outer side wall of the connecting plate 12 is fixedly connected with a slide plate 24 arranged vertically, the side of the slide plate 24 close to the concave-convex plate 22 is provided with a slide, and the concave-convex plate 22 on the outer side is rotatably connected with a roller 25 matched with the slide, the roller 25 is slidably connected in the slide, and the top end of the slide plate 24 extends to the outside of the concave-convex plate 22 when the hydraulic cylinder 6 is in the contracted state. Whether the slide plate 24 and the roller 25 need to be arranged can be selected according to actual needs. When in use, the hydraulic cylinder 6 is started, the piston rod of the hydraulic cylinder 6 is elongated and drives the support base 5 to move upward, the roller 25 moves upward with the support base 5 during the movement of the support base 5, the roller 25 abuts against the slide and relatively slides with the slide, thereby further playing a guiding role during the upward or downward movement of the support base 5 and improving the stability of the rail car in operation.

[0030] In another embodiment, as shown in Figure 4 The adjacent two mounting plates 23 are fixedly connected with a reinforcing plate 26, and the adjacent two concave-convex plates 22 are fixedly connected with a fixed plate 27 arranged obliquely. The two sides of the connection between the concave-convex plate 22 and the mounting plate 23 are fixedly connected with a reinforcing plate 28. The arrangement of the reinforcing plate 26, the fixed plate 27 and the reinforcing plate 28 further improves the mechanical strength of the support base 5 and ensures the load-bearing and stability of the rail car.

[0031] In another embodiment, as shown in Figure 1As shown, the top of the cover plate 11 is fixedly connected with a plurality of spaced clamping plates 29, the clamping plates 29 are arranged in one-to-one correspondence with the hydraulic cylinders 6 and the telescopic rods 19, that is, the top of the cover plate 11 corresponding to each telescopic rod 19 and each hydraulic cylinder 6 is provided with a clamping plate 29, a through hole is formed in the clamping plate 29, a connecting hole corresponding to the through hole is formed in the cover plate 11, a connecting column is fixedly connected to the clamping plate 29, the connecting column passes through the through hole and the connecting hole in sequence and is fixedly connected to the top of the hydraulic cylinder 6 or the telescopic rod 19. The positioning and installation of the hydraulic cylinder 6 are facilitated by the clamping plate 29.

[0032] In another embodiment, the top of the top plate 15 is fixedly connected with a lower displacement sensor (not shown in the figure), and in the embodiment, the lower displacement sensor is two and is located at both ends of the top plate 15, that is, the lower displacement sensor is arranged near the top plate 15 where each hydraulic cylinder 6 is located. The bottom of the cover plate 11 is fixedly connected with an upper displacement sensor (not shown in the figure) adapted to the lower displacement sensor, and in the embodiment, the upper displacement sensor is two and is located at both ends of the cover plate 11, that is, the lower displacement sensor is arranged near the cover plate 11 where each hydraulic cylinder 6 is located. The upper displacement sensor and the lower displacement sensor are connected with the controller, in the process of lifting the support base 5, the upper displacement sensor and the lower displacement sensor transmit corresponding data to the controller, the controller adjusts the lifting speed of the four hydraulic cylinders 6 according to the collected data to ensure the level of the support base 5 in the lifting process, thereby improving the stability of the rail car in the lifting process, reducing the risk of workpiece falling off, and prolonging the service life of the rail car.

[0033] The above embodiments are not intended to limit the shape, material, structure, etc. of the present application in any form, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are within the protection scope of the technical scheme of the present application.

Claims

1. A railcar to assist in lifting a workpiece, the railcar comprising: The rail vehicle comprises a horizontally arranged bottom plate, a sliding groove is formed on both sides of the bottom of the bottom plate, horizontally arranged end beams are fixedly connected to both sides of the top of the bottom plate, the two end beams are spaced apart and arranged in parallel, mounting holes are formed in the top of each end beam, vertically arranged hydraulic cylinders are fixedly connected in each mounting hole, a support seat for supporting a workpiece is installed above the bottom plate, and the bottom of the support seat is fixedly connected to the end of the piston rod of the hydraulic cylinder; A plurality of spaced apart web plates are fixedly connected between the two end beams, the bottom of each web plate is fixedly connected to the bottom plate, and a flow-through hole is formed in the bottom of each web plate.

2. The rail car of claim 1, wherein: The support seat comprises a horizontally arranged horizontal plate, obliquely arranged inclined plates are fixedly connected to both sides of the horizontal plate, the high end of each inclined plate is arranged away from the horizontal plate, a horizontally arranged cover plate is fixedly connected to the high end of each inclined plate, and the cover plate is fixedly connected to the end of the piston rod of the hydraulic cylinder.

3. The rail car of claim 2, wherein: The top of the bottom plate is also fixedly connected to two spaced apart connecting plates, the ends of the two connecting plates are fixedly connected to the end portions of the end beams adjacent thereto, and the ends of each connecting plate are provided with openings corresponding to the positions of the mounting holes, and a liquid discharge hole is further formed in the middle of one of the connecting plates.

4. The rail car of claim 3, wherein: The end beam comprises a horizontally arranged top plate, the mounting holes are located on the top plate, gussets are fixedly connected to both sides of the bottom of the top plate, the bottom of each gusset is fixedly connected to the bottom plate, and a communication hole is formed in the bottom of each gusset; the fixed end of the hydraulic cylinder extends into the cavity between the two gussets and is fixedly connected to the bottom plate.

5. The rail car of claim 4, wherein: The mounting holes are two, and the two mounting holes are located at the two ends of the top plate, a guide hole is further formed between the two mounting holes, a vertically arranged telescopic rod is fixedly connected in the guide hole, and the top of the telescopic rod is fixedly connected to the bottom of the cover plate.

6. A railcar to assist in lifting a workpiece as set forth in claim 5, wherein: The top of each inclined plate is fixedly connected to an abrasion-resistant plate matched with the inclined plate; the bottom of the support seat is fixedly connected to spaced apart support plates matched with the bottom of the support seat, the support plates comprise concave-convex plates and mounting plates, the concave-convex plates are fixedly connected to the bottoms of the inclined plates and the horizontal plate, and the mounting plates are fixedly connected to the bottom of the cover plate and are integrally formed with the concave-convex plates.

7. A railcar to assist in lifting a workpiece as set forth in claim 6, wherein: A vertically arranged sliding plate is fixedly connected to the outer side wall of the connecting plate, a sliding groove is formed in the side of the sliding plate close to the concave-convex plate, a roller matched with the sliding groove is rotatably connected to the concave-convex plate on the outer side.

8. The rail car of claim 6, wherein: A reinforcing plate is fixedly connected between adjacent two mounting plates, and an obliquely arranged fixing plate is fixedly connected between adjacent two concave-convex plates; reinforcing plates are fixedly connected to both sides of the connection between the concave-convex plate and the mounting plate.

9. A railcar to assist in lifting a workpiece as defined in claim 8, wherein: A plurality of spaced apart clamping plates are fixedly connected to the top of the cover plate, the clamping plates are one-to-one matched with the hydraulic cylinders and the telescopic rods, a through hole is formed in the clamping plate, a connecting hole matched with the through hole is formed in the cover plate, a connecting column is fixedly connected to the clamping plate, the connecting column passes through the through hole and the connecting hole in sequence and is fixedly connected to the top of the hydraulic cylinder or the telescopic rod.

10. The rail car of claim 9, wherein: A lower displacement sensor is fixedly connected to the top of the top plate, and an upper displacement sensor matched with the lower displacement sensor is fixedly connected to the bottom of the cover plate.

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