Carriage car underframe assembling device

Abstract

The utility model relates to the technical field of carriage type freight car underframe manufacturing, and discloses a carriage type freight car underframe assembling device which comprises a frame positioning structure, a girder clamping structure used for positioning a lower auxiliary beam of an underframe and a fixed support positioning structure used for positioning a fixed support of the underframe. The frame positioning structure comprises an outer frame fixing frame used for containing an outer frame, and a first baffle is arranged at one end of the upper surface of the outer frame fixing frame. The outer frame fixing frame is provided with an eccentric positioning mechanism and a second baffle plate; a first supporting frame is transversely arranged in the outer frame fixing frame. The first supporting frames are provided with girder clamping structures which are arranged between the two first supporting frames and used for clamping the lower auxiliary beam from the front side and the rear side; the fixing support positioning structure comprises a positioning frame, and a clamping groove is formed in the positioning frame. According to the utility model, the frame positioning structure, the crossbeam clamping structure and the fixed support positioning structure are designed corresponding to the size of the underframe; and all parts of the chassis are positioned after being placed at corresponding positions, so that the welding precision and the welding efficiency are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing chassis of a van-type freight vehicle, and in particular to an assembling device for a chassis of a van. Background Art

[0002] Van trucks are widely used and relatively large in size. They are generally used with detachable containers as carriages. The existing chassis welding method generally places the various components on a large workbench or support frame and welds them bit by bit. Due to the large number of components and the need for accurate welding, this welding method is prone to deviations. In addition, due to the need to frequently install and unload carriages, in order to improve replacement efficiency and replacement safety, our company has designed and added multiple functional components for the loading and unloading coordination of the chassis and carriages. However, this also puts higher requirements on the accuracy of the welding process. Therefore, our company has designed an assembly device for facilitating the positioning of components. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a box car underframe assembly device, which uses a frame positioning structure, a beam clamping structure and a fixed support positioning structure designed according to the size of the underframe to place and position the various components of the underframe in corresponding positions, thereby ensuring welding accuracy and welding efficiency.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a box car underframe assembly device, comprising a frame positioning structure for positioning the underframe outer frame, a beam clamping structure for positioning the underframe sub-beam, and a fixed support positioning structure for clamping the underframe fixed support; the frame positioning structure comprises an outer frame fixing frame for placing the outer frame, a first baffle is provided at one end of the upper surface of the outer frame fixing frame; an eccentric positioning mechanism is provided at the front side or the rear side of the end of the outer frame fixing frame opposite to the first baffle, and an inclined plate for clamping the outer frame is provided on the eccentric positioning mechanism, and the inclined plate can be adjusted from the width direction and the up and down direction The outer frame is positioned at the same time; a second baffle is arranged on the side of the outer frame fixing frame opposite to the eccentric positioning mechanism; a first support frame is arranged horizontally inside the outer frame fixing frame, there are two first support frames and they are arranged at a distance, and the beam is located between the two first support frames; the first support frame is provided with a beam clamping structure that clamps the lower auxiliary beam from the front and rear sides between the two first support frames, and simultaneously positions the outer frame in the width and up and down directions; the fixed support positioning structure includes a positioning frame arranged on the top of the first support frame, and the positioning frame is provided with a slot for clamping the fixed support along its length direction, and a fixed support clamping piece used in conjunction with the slot.

[0005] Furthermore, the eccentric positioning mechanism comprises a fixed frame with openings on both the front and rear sides, a rotatable eccentric shaft is arranged in the fixed frame, and a handle is fixedly connected to one side of the eccentric shaft.

[0006] Furthermore, the second baffle is arranged close to the edge, and there are a plurality of second baffles, which are arranged in sequence at intervals along the left-right direction of the outer frame fixing frame.

[0007] Furthermore, the beam clamping structure is fixedly connected to the bottom of the first support frame with a base plate; the base plate is longitudinally arranged, and the two ends are respectively located at the front and rear sides of the connected first support frame; one end of the base plate located between the two first support frames is vertically fixedly connected to a support plate, and the end of the base plate away from the support plate is fixedly installed with a base, and the side of the support plate close to the base plate is hinged to the bottom of the clamp; the base is hinged to one end of the cylinder, and the cylinder is hinged to the clamp after tilting through the positioning frame; the top of the support plate exceeds the top of the positioning frame, and when the clamp is pushed to a vertical state by the cylinder, the top of the clamp exceeds the top of the support plate.

[0008] Furthermore, the upper portion of the vertical cross-section of the card slot is in a right-angled trapezoidal shape, and the lower portion is in a rectangular shape, and the upper portion and the lower portion are connected as one.

[0009] Furthermore, a second support frame is laterally arranged inside the outer frame fixing frame, and the second support frame is vertically fixedly connected to the third baffle for positioning the lower sub-beam on the side away from the first baffle; a second support plate is arranged on the upper surface of the second support frame, and a positioning axis for positioning the fixing plate is arranged on the upper surface of the second support plate.

[0010] Furthermore, the fixed support positioning structure also includes a third support frame horizontally arranged inside the outer frame fixed frame, and a plurality of fixed support clamping members are arranged on the upper surfaces of the three support frames at intervals along the left and right directions thereof, and a clamping groove for clamping the fixed support is provided on the side of the fixed support clamping member close to the first baffle; the fixed support clamping member can move along the length direction of the third support frame.

[0011] Furthermore, the front side plate and the rear side plate of the outer frame fixing frame are downwardly provided with a plurality of receiving grooves, and a lifting device for lifting the outer frame is arranged in the receiving groove; the lifting device includes a cylinder hinged to the left end or the right end of the bottom of the receiving groove and a rocker arm hinged to the other end of the bottom of the receiving groove relative to the cylinder, and the cylinder and the rocker arm are movably connected.

[0012] The beneficial effects of the utility model are as follows: the utility model uses a frame positioning structure, a beam clamping structure and a fixed support positioning structure designed to correspond to the size of the chassis; the various components of the chassis are placed and positioned at corresponding positions, the frame positioning structure positions the outer frame of the chassis front, back, left and right, the beam clamping structure fixes and clamps the position of the beam arranged transversely in the outer frame, and the fixed support positioning structure fixes the position of the fixed support arranged longitudinally by means of a card slot, so that after positioning and welding, the overall frame of the chassis is determined, and then it is very convenient to weld other functional components on other devices, and there is no need to always pay attention to the deviation during welding, thereby ensuring welding accuracy and welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 It is a side view structural diagram of the beam clamping structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the existing box car chassis frame structure.

[0017] In the figure: 1. outer frame fixing frame; 2. first baffle; 3. first support frame; 4. second support frame; 5. third support frame; 6. second baffle; 7. eccentric positioning mechanism; 8. fixed support clamping member; 9. beam clamping structure; 901. bottom plate; 902. support plate; 903. base; 904. cylinder; 905. clamping plate; 10. positioning frame; 11. slot; 12. third baffle; 13. positioning shaft; 14. lifting device; 15. outer frame; 16. beam; 17. fixed support; 18. fixed plate. DETAILED DESCRIPTION

[0018] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0019] Example:

[0020] like Figure 1-Figure 4 As shown, a box car underframe assembly device includes a frame positioning structure for positioning an underframe outer frame 15, a beam clamping structure 9 for positioning a sub-beam under the underframe, and a fixed support positioning structure for clamping a fixed support 17 of the underframe; the existing underframe includes a rectangular outer frame 15, two transverse beams 16 and a plurality of longitudinal fixed supports 17 are arranged inside the outer frame 15, the fixed support 17 is connected to a fixed plate 18, and the fixed plate 18 has positioning holes. The existing underframe is also such as the document number CN219406261U, and the name is a Chinese utility model patent for a quick-detachable positioning and fixing device for a detachable car, on which there is an insertion positioning plate designed by our company for the underframe before, and the insertion positioning plate is provided with positioning holes; the insertion positioning plate is the fixed plate 18; the left and right directions in the schematic diagram of the existing box car underframe frame structure of the present application are the transverse directions, and the left and right directions are the length directions of the present application, and this direction definition is also applicable to Figure 1An assembly device; the frame positioning structure includes a rectangular outer frame fixing frame 1 for placing an outer frame 15, the outer frame fixing frame 1 has a certain height for easy operation, the outer frame 15 is placed on the upper surface, and a first baffle 2 is vertically arranged near the edge at the left end or right end of the upper surface of the outer frame fixing frame 1, for blocking the left end or right end of the outer frame 15; an eccentric positioning mechanism 7 is arranged on the front side or rear side of the end opposite to the first baffle 2 on the outer frame fixing frame 1, that is, the first baffle 2 is at the right end, and the eccentric positioning mechanism 7 is at the left end; an inclined plate for clamping the outer frame 15 is arranged on the eccentric positioning mechanism 7, and the inclined plate can simultaneously position the outer frame 15 in the width direction and the up and down direction; a second baffle 6 is arranged on the side of the outer frame fixing frame 1 opposite to the eccentric positioning mechanism 7; the first baffle 2 positions the outer frame 15 from the left and right directions, and the eccentric positioning mechanism 7 and the second baffle 6 position the outer frame from the front and back directions 15; a first support frame 3 is horizontally arranged inside the outer frame fixing frame 1, and there are two first support frames 3 and they are arranged at a distance, and the beam 16 is located between the two first support frames 3; the first support frame 3 is provided with a beam clamping structure 9 for clamping the lower auxiliary beam from the front and rear sides between the two first support frames 3, and the optional scheme is: two beam clamping structures are arranged in the same longitudinal direction or there is a beam clamping structure and a corresponding baffle for cooperating with the clamping is arranged; and the outer frame 15 is positioned in the width and up and down directions at the same time; the fixed support positioning structure includes a positioning frame 10 arranged on the top of the first support frame 3, and the positioning frame 10 is provided with a slot 11 for clamping the fixed support 17 along its length direction, and a fixed support clamping piece 8 used in conjunction with the slot 11; the slot 11 is the same in number and position as the fixed support 17, and a fixed support 17 is horizontally placed in the slot 11 on the same longitudinal direction of the two positioning frames 10.

[0021] The eccentric positioning mechanism 7 includes a fixed frame with openings on both the front and rear sides, a rotatable eccentric shaft is arranged in the fixed frame, a handle is fixedly connected to the side of the eccentric shaft away from the outer frame fixing frame 1, and an inclined plate for clamping the frame 15 is arranged on the side of the eccentric shaft close to the outer frame fixing frame 1. The inclined plate is in the shape of a long strip, and the direction extending from the end close to the eccentric positioning mechanism 7 to the end away from the eccentric positioning mechanism 7 is the length direction of the inclined plate. The inclined plate is higher at one end and lower at the other end along its width direction, and the end close to the outer frame fixing frame 1 is higher, so that it is convenient to press the outer frame 15 when the inclined plate is rotated; the inclined plate can simultaneously position the outer frame 15 from the width direction and the up and down directions; the side of the fixed frame close to the inside of the outer frame fixing frame 1 is flush with the outer side surface of the outer frame fixing frame 1 or the fixed frame is welded to the outer side surface of the outer frame fixing frame 1.

[0022] The second baffle plate 6 is disposed close to the edge, and there are a plurality of second baffle plates 6 , which are sequentially arranged at intervals along the left-right direction of the outer frame fixing frame 1 .

[0023] The beam clamping structure 9 is fixedly connected to the bottom of the first support frame 3 with a bottom plate 901; the bottom plate 901 is arranged longitudinally, and its two ends are respectively located at the front and rear sides of the connected first support frame 3; one end of the bottom plate 901 located between the two first support frames 3 is vertically fixedly connected to a support plate 902, and the end of the bottom plate 901 away from the support plate 902 is fixedly installed with a base 903, and the side of the support plate 902 close to the bottom plate 901 is hinged to the bottom of the clamping plate 905; the base 903 is hinged to one end of the cylinder 904, and the cylinder 904 is hinged to the clamping plate 905 after obliquely passing through the positioning frame 10; the top of the support plate 902 exceeds the top of the positioning frame 10, and when the clamping plate 905 is pushed to a vertical state by the cylinder 904, the top of the clamping plate 905 exceeds the top of the support plate 902, and an upper pressure plate is horizontally arranged on the inner side of the clamping plate 905.

[0024] The upper portion of the vertical cross section of the card slot 11 is a right-angled trapezoid, and the lower portion is a rectangle, and the upper portion and the lower portion are connected as one; the shorter bottom side of the right-angled trapezoid is located at the bottom.

[0025] A second support frame 4 is horizontally arranged inside the outer frame fixing frame 1, and the upper surface of the second support frame 4 is flush with the first support frame 3. There are several second support frames 4, which are arranged in sequence along the left and right directions of the outer frame fixing frame 1 at intervals. The second support frame 4 located in the middle of the outer frame fixing frame 1 is vertically fixedly connected to the third baffle 12 for positioning the lower sub-beam on the side away from the first baffle 2. There is at least one third baffle 12, which is located between the two first support frames 3; a second support plate is arranged on the upper surface of the second support frame 4, and a positioning shaft 13 for positioning the fixing plate 18 is arranged on the upper surface of the second support plate, and the positioning shaft 13 is inserted into the positioning hole of the fixing plate 18; there are two positioning shafts 13, which are located in the same longitudinal direction and located on the outside of the two first support frames 3.

[0026] The fixed support positioning structure also includes a third support frame 5 arranged horizontally inside the outer frame fixing frame 1, and the third support frame 5 is located between the first support frame 3 and the front and rear side plates of the outer frame fixing frame 1. A plurality of fixed support clamping members 8 are arranged on the upper surface of the third support frame 5 at intervals along the left and right directions thereof, and a clamping groove for clamping the fixed support 17 is provided on the side of the fixed support clamping member 8 close to the first baffle plate 2; two clamping grooves in the same longitudinal direction clamp the same fixed support 17 to ensure that the position of the fixed support 17 is consistent; the fixed support clamping member 8 can be arranged along the length direction of the third support frame 5 To the moving position; the connection method of the fixed support clamping member 8 and the third support frame 5 is: a power part is arranged on the side of each fixed support clamping member 8, and the power part is such as a small cylinder, an oil cylinder or an electric push rod. The power part is fixed on the third support frame 5 and does not affect the movement of the fixed support clamping member 8; another connection method is as follows: a plurality of screw holes are opened at intervals in the length direction of the third support frame 5, and the fixed support clamping member 8 is connected to the third support frame 5 by bolt connection. If the position needs to be moved, the bolts are removed, and after moving, the bolts are used to connect the screw holes at the corresponding positions.

[0027] The front side plate and the rear side plate of the outer frame fixing frame 1 are both downwardly provided with a plurality of receiving grooves, and a lifting device 14 for lifting the outer frame 15 is arranged in the receiving groove; the lifting device 14 includes a cylinder hinged to the left end or the right end of the bottom of the receiving groove and a rocker arm hinged to the other end of the bottom of the receiving groove relative to the cylinder, the cylinder and the rocker arm are movably connected, and when the cylinder is extended, the rocker arm is lifted up, and the end of the rocker arm moves in an arc shape; the lifting device 14 facilitates the transportation of the chassis.

[0028] Through the frame positioning structure, beam clamping structure and fixed support positioning structure designed according to the size of the chassis, the various components of the chassis are placed and positioned in corresponding positions, the frame positioning structure positions the outer frame of the chassis front, back, left and right, the beam clamping structure fixes and clamps the position of the beam set horizontally in the outer frame, and the fixed support positioning structure fixes the position of the fixed support set longitudinally by the card slot. After positioning and welding, the overall frame of the chassis is determined, and then it is very convenient to weld other functional components on other devices. There is no need to pay attention to the deviation degree all the time during welding, which ensures the welding accuracy and efficiency.

[0029] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A box car underframe assembly device, characterized in that: The invention comprises a frame positioning structure for positioning an outer frame (15) of the chassis, a beam clamping structure (9) for positioning a sub-beam under the chassis, and a fixed support positioning structure for clamping a fixed support (17) of the chassis; the frame positioning structure comprises an outer frame fixing frame (1) for placing the outer frame, a first baffle (2) being arranged at one end of the upper surface of the outer frame fixing frame (1); an eccentric positioning mechanism (7) being arranged at the front side or the rear side of the end of the outer frame fixing frame (1) opposite to the first baffle (2), an inclined plate for clamping the outer frame (15) being arranged on the eccentric positioning mechanism (7), the inclined plate being capable of simultaneously positioning the outer frame (15) in the width direction and in the up-down direction; a first baffle (2) being arranged at the front side or the rear side of the end of the outer frame fixing frame (1) opposite to the first baffle (2); a second baffle (2) being arranged at the front side or the rear side of the end of the outer frame fixing frame (1) opposite to the first baffle (2), the ... A second baffle (6) is arranged on one side of the outer frame fixing frame (1); a first support frame (3) is arranged transversely inside the outer frame fixing frame (1); there are two first support frames (3) arranged at a distance, and the beam (16) is located between the two first support frames (3); the first support frame (3) is provided with a beam clamping structure (9) for clamping the lower auxiliary beam from the front and rear sides between the two first support frames (3), and simultaneously positioning the outer frame (15) in the width and up and down directions; the fixed support positioning structure comprises a positioning frame (10) arranged on the top of the first support frame (3), the positioning frame (10) is provided with a clamping groove (11) for clamping the fixed support (17) along its length direction, and a fixed support clamping member (8) used in conjunction with the clamping groove (11).

2. A box car underframe assembly device according to claim 1, characterized in that: The eccentric positioning mechanism (7) comprises a fixed frame with openings on both the front and rear sides. A rotatable eccentric shaft is arranged in the fixed frame, and a handle is fixedly connected to one side of the eccentric shaft.

3. A box car underframe assembly device according to claim 1, characterized in that: The second baffle (6) is arranged close to the edge, and there are a plurality of second baffles (6), which are arranged in sequence at intervals along the left-right direction of the outer frame fixing frame (1).

4. The box car underframe assembly device according to claim 1, characterized in that: The beam clamping structure (9) is fixedly connected to the bottom of the first support frame (3) with a bottom plate (901); the bottom plate (901) is arranged longitudinally, and its two ends are respectively located at the front and rear sides of the connected first support frame (3); one end of the bottom plate (901) located between the two first support frames (3) is vertically fixedly connected to a support plate (902), and one end of the bottom plate (901) away from the support plate (902) is fixedly installed with a base (903), and the side of the support plate (902) close to the bottom plate (901) is hinged to the bottom of the clamping plate (905); the base (903) is hinged to one end of the cylinder (904), and the cylinder (904) is hinged to the clamping plate (905) after obliquely passing through the positioning frame (10); the top of the support plate (902) exceeds the top of the positioning frame (10), and when the clamping plate (905) is pushed to a vertical state by the cylinder (904), the top of the clamping plate (905) exceeds the top of the support plate (902).

5. The box car underframe assembly device according to claim 1, characterized in that: The upper portion of the vertical cross-section of the slot (11) is in a right-angled trapezoidal shape, and the lower portion is in a rectangular shape, and the upper portion and the lower portion are connected in one piece.

6. The box car underframe assembly device according to claim 1, characterized in that: A second support frame (4) is disposed laterally inside the outer frame fixing frame (1); a side of the second support frame (4) away from the first baffle plate (2) is vertically fixedly connected to a third baffle plate (12) for positioning the lower auxiliary beam; a second support plate is disposed on the upper surface of the second support frame (4); a positioning shaft (13) for positioning the fixing plate (18) is disposed on the upper surface of the second support plate.

7. The box car underframe assembly device according to claim 1, characterized in that: The fixed support positioning structure also includes a third support frame (5) arranged transversely inside the outer frame fixed frame (1); a plurality of fixed support clamping members (8) are arranged on the upper surface of the third support frame (5) at intervals along the left-right direction thereof; a clamping groove for clamping the fixed support (17) is provided on a side of the fixed support clamping member (8) close to the first baffle (2); and the fixed support clamping member (8) can be moved along the length direction of the third support frame (5).

8. The box car underframe assembly device according to claim 1, characterized in that: The front side plate and the rear side plate of the outer frame fixing frame (1) are both provided with a plurality of receiving grooves downwardly, and a lifting device (14) for lifting the outer frame (15) is arranged in the receiving groove; the lifting device (14) comprises an oil cylinder hinged to the left end or the right end of the bottom of the receiving groove and a rocker arm hinged to the other end of the bottom of the receiving groove relative to the oil cylinder, and the oil cylinder and the rocker arm are movably connected.

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