CN220721218U - Carriage and frame positioning device - Google Patents

Abstract

The utility model relates to the technical field of transportation equipment and discloses a carriage and frame positioning device which comprises a limiting part arranged on a frame, an inserting part fixed on the carriage and corresponding to the limiting part, and a movable limiting structure connected with the limiting part and used for adjusting the position of the limiting part; the limiting plate is provided with an elliptical groove for adjusting the movement of the limiting part; the limiting part comprises a movable plate which is arranged at a distance from the frame fixing plate, and the movable plate is connected with a limiting shell which is matched with the plug-in part; the inserting part comprises a positioning shell which is inserted with the limiting shell; the movable limiting structure further comprises a limiting rod, one end of the limiting rod is rotatably connected with the limiting part, and the other end of the limiting rod upwards penetrates through the elliptical groove; the frame fixing plate is connected with the limiting part through a second spring. According to the utility model, the movable limiting structure is arranged, so that the movable plate can be limited to move forwards and backwards, not only can the left and right limit be realized, but also the left and right limit range can be conveniently adjusted; and simultaneously, the movable plate is more stable in moving.

Description

Carriage and frame positioning device

Technical Field

The utility model relates to the technical field of transportation equipment, in particular to a carriage and frame positioning device.

Background

The carriage and the frame can be separated, so that the transportation is more convenient; however, when the carriage is placed on the frame, the frame and carriage components may be damaged due to the fact that the positions of the carriage cannot be completely corresponding; there is therefore a need for devices that assist in the positioning of the vehicle cabin and the vehicle frame; the utility model patent applied for the design before the company has the application number of 2023212913104 and is named as a rapid positioning, inserting and separating structure for a detachable vehicle box and a chassis; this scheme can assistance-localization real-time, but its fly leaf is difficult to spacing from beginning to end, and the conical head is likely to make the fly leaf take place too big left and right movement when the carriage is installed on the frame, slopes even, so this scheme is spacing about not nimble enough.

Disclosure of Invention

The purpose of the utility model is that: the carriage and frame positioning device has the advantages that the carriage and frame positioning device overcomes the defects in the prior art, the movable limiting structure is arranged, the movable plate can be limited to move forwards and backwards, the left and right limiting range can be limited, and the left and right limiting range can be adjusted conveniently; and simultaneously, the movable plate is more stable in moving.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the carriage and frame positioning device comprises a limiting part arranged on a frame, an inserting part fixed on the carriage and corresponding to the limiting part, and a movable limiting structure connected with the limiting part and used for adjusting the position of the limiting part; the movable limiting structure comprises a frame fixing plate fixed on the frame, a limiting part is arranged close to the frame fixing plate, the limiting part and the inserting part are both positioned between the frame fixing plate and the carriage, one side, close to the limiting part, of the frame fixing plate is connected with the limiting plate, and the limiting plate is provided with an elliptical groove for adjusting the movement of the limiting part; the limiting part comprises a movable plate which is arranged at a distance from the frame fixing plate, and one side of the movable plate, which is far away from the frame fixing plate, is connected with a limiting shell which is matched with the plug-in part; the plug-in part comprises a positioning shell which is plugged with the limit shell, and the limit part is fixedly connected with the plug-in part through a primary connector and a secondary connector; the movable limiting structure further comprises a limiting rod, one end of the limiting rod is rotatably connected with the limiting part, and the other end of the limiting rod upwards penetrates through the elliptical groove; the frame fixing plate is connected with the limiting part through a second spring.

Further, the limiting shell is hollow cone-shaped, the movable plate is fixedly connected with the limiting shell through a limiting shell fixing plate distributed along the circumferential direction of the limiting shell, a spring fixing frame is arranged at the top of the frame fixing plate and connected with one end of a second spring, and the other end of the second spring is fixedly connected with the limiting shell fixing plate.

Further, the diameter of the limiting rod is equivalent to the width of the elliptical groove, and the length of the elliptical groove is greater than the diameter of the limiting rod.

Further, the limiting plate is provided with a limiting cylinder around the elliptical groove, and the limiting rod passes through the limiting cylinder from bottom to top.

Further, the one section cover that the gag lever post is located the limiting plate top is equipped with first sleeve, and first telescopic side is provided with rather than perpendicular that is the spacing axle that the level set up, and spacing axle outside cover is equipped with the second sleeve.

Further, a groove is formed in one side, close to the frame fixing plate, of the movable plate, and balls are arranged in the groove and are in rolling connection with the frame fixing plate when the movable plate moves relative to the frame fixing plate.

Further, one end of the positioning shell facing the limiting shell is provided with a positioning convex shaft, the limiting shell and the movable plate are provided with positioning holes which are communicated with each other at positions corresponding to the positioning convex shaft, the positioning holes are internally provided with positioning sleeves, and when the inserting part is matched with the limiting part, the positioning convex shaft is positioned in the positioning sleeves; the inserting part also comprises a carriage fixing plate fixed with the carriage, a telescopic sleeve is arranged between the carriage fixing plate and the positioning shell, and the telescopic sleeve comprises an outer sleeve and an inner sleeve which are mutually nested; the outer sleeve and the inner sleeve are internally provided with first springs; an anti-drop structure is arranged between the outer sleeve and the inner sleeve.

Further, the limiting shell fixing plate is provided with a first connecting plate, the first connecting plate is rotationally connected with the fixing rod, and the fixing rod is fixedly connected with the limiting rod; or the first connecting plate is fixedly connected with the fixed rod, and the bottom of the limiting rod is rotationally connected with the fixed rod.

Further, the primary-secondary connector comprises a primary connector fixedly connected with the limiting part and a secondary connector fixedly connected with the plug-in part; one end of the female connector, which is close to the movable plate, is connected with the limiting part through a female first buckle, a female second buckle is arranged at the outer side of the other end of the female connector, and two ends of the air cylinder are respectively connected with the female first buckle and the female second buckle; the sub-connector is connected with the plug-in connection part through a sub-connector buckle, and the female connector is plugged with the sub-connector.

The beneficial effects of the utility model are as follows: the movable limiting structure is formed by arranging the limiting rod, the elliptical grooves and the like, so that the movable plate can be limited to move forwards and backwards, not only can the left and right limiting be realized, but also the left and right limiting range can be conveniently adjusted by setting the elliptical grooves with different lengths; meanwhile, the movable plate is more stable when moving; the conical limiting shell, the conical positioning shell and the conical positioning convex shaft are arranged, so that the limiting part and the plugging part are more convenient to plug, and the error is smaller after the plugging is completed; through setting up the ball, not only can be convenient for the fly leaf remove, can make it keep stable moreover, the spacing portion of being convenient for cooperates with grafting portion.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram showing the combination of the limiting portion and the plugging portion according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram illustrating the connection of the limiting portion of the present utility model;

FIG. 5 is a schematic view of the overall structure of the plugging portion of the present utility model;

FIG. 6 is a schematic cross-sectional view of a mating portion of the present utility model;

FIG. 7 is a schematic diagram of the connection of the primary and secondary connectors according to the present utility model;

FIG. 8 is a schematic view of a first embodiment of a movable stop structure according to the present utility model;

fig. 9 is a schematic diagram of a second embodiment of the movable limiting structure of the present utility model.

In the figure, 1, a movable plate; 2. a ball; 3. a positioning sleeve; 4. a limit housing; 5. a fixed rod; 6. a first connection plate; 7. a limiting shell fixing plate; 8. positioning a shell; 9. positioning the protruding shaft; 10. an outer sleeve; 11. limiting screw holes; 12. an inner sleeve; 13. a spring seat; 14. a barrier strip; 15. a first spring; 16. a carriage fixing plate; 17. a sub-joint; 18. the sub-head is buckled; 19. fixing the screw holes; 20. a mounting base; 21. a cylinder; 22. the female head is provided with a first buckle; 23. the female head is provided with a second buckle; 24. a second connecting plate; 25. a baffle; 26. positioning a touch plate; 27. a frame fixing plate; 28. a limiting plate; 29. a limit rod; 30. a spring fixing frame; 31. a second spring; 32. an elliptical groove; 33. a limiting cylinder; 34. a first sleeve; 35. a limiting shaft; 36. a second sleeve; 37. a headstock; 38. a frame; 39. a carriage; 40. a female connector.

Detailed Description

The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

as shown in fig. 1-8, a carriage and frame positioning device comprises a limit part arranged on a frame 38, an inserting part fixed on a carriage 39 and corresponding to the limit part, and a movable limit structure connected with the limit part and used for adjusting the position of the limit part; the vehicle head 37 is connected with the vehicle frame 38, the movable limiting structure comprises a vehicle frame fixing plate 27 fixed on the vehicle frame 38, the vehicle frame fixing plate 27 is an L-shaped plate and comprises two sections, one end of the vehicle frame fixing plate 27 is horizontally fixed on the vehicle frame 38, the other section of the vehicle frame fixing plate is vertical, a limiting part is arranged close to the vehicle frame fixing plate 27, the limiting part and an inserting part are both positioned between the vehicle frame fixing plate 27 and a carriage 39, one side, close to the limiting part, of the vehicle frame fixing plate 27 is connected with a limiting plate 28, the limiting plate 28 is horizontally arranged, and the limiting plate 28 is provided with an elliptical groove 32 for adjusting the movement of the limiting part; the limiting part comprises a movable plate 1 which is arranged at a certain interval distance from the frame fixing plate 27 vertically, the movable plate 1 is in a thin plate shape which is arranged vertically, and one side of the movable plate 1 away from the frame fixing plate 27 is connected with a limiting shell 4 which is matched with the inserting part; the plug-in part comprises a positioning shell 8 which is plugged with the limit shell 4, has a shape similar to that of the limit shell 4 and is conical, and the limit part is fixedly connected with the plug-in part through a primary connector and a secondary connector; the movable limiting structure further comprises a limiting rod 29, one end of which is rotatably connected with the limiting part, and the other end of which upwards passes through the elliptical groove 32; the frame fixing plate 27 is connected to the stopper portion by a second spring 31.

The spacing casing 4 is hollow toper, and fly leaf 1 is through spacing shell fixed plate 7 and spacing casing 4 fixed connection of arranging along spacing casing 4 circumference, adopts integral type welding often, and spacing casing 4 adopts four pyramid shape often, and spacing shell fixed plate 7 corresponds the setting with the arris of spacing casing 4, and the top of frame fixed plate 27 is provided with spring mount 30, and spring mount 30 is connected with second spring 31 one end, and the second spring 31 other end and spacing shell fixed plate 7 fixed connection.

The diameter of the limiting rod 29 is equal to the width of the elliptical groove 32, the length of the elliptical groove 32 is larger than the diameter of the limiting rod 29, and the limiting rod 29 is limited to move forwards and backwards, so that the movable plate 1 can move left and right to a certain extent.

The upper surface of the limiting plate 28 is provided with a limiting cylinder 33 corresponding to the elliptical groove 32 around the elliptical groove, the limiting rod 29 passes through the limiting cylinder 33 from bottom to top, the limitation on the limiting rod 29 is enhanced, the limiting rod is prevented from being separated from the elliptical groove 32, and the limiting cylinder 33 consists of four vertical plates which are spliced at one time.

A groove is formed in one side, close to the frame fixing plate 27, of the movable plate 1, and a ball 2 is arranged in the groove, when the movable plate 1 moves relative to the frame fixing plate 27, the ball 2 is in rolling connection with the frame fixing plate 27, and the movable plate 1 can move up and down and left and right; the arrangement of the ball 2 can facilitate the movement thereof, further keep stable during the movement, and prevent the movement thereof back and forth.

The positioning shell 8 is provided with a positioning convex shaft 9 towards one end of the limiting shell 4, a communicated positioning hole is formed in the position, corresponding to the positioning convex shaft 9, of the limiting shell 4 and the movable plate 1, a positioning sleeve 3 is arranged in the positioning hole, and when the plug-in part is matched with the limiting part, the positioning convex shaft 9 is positioned in the positioning sleeve 3; the positioning protruding shaft 9 is arranged, so that the matching error of the limiting part and the inserting part is reduced, and the mutual inserting and fixing are facilitated; the plug-in part also comprises a carriage fixing plate 16 fixed with a carriage 39, a telescopic sleeve is arranged between the carriage fixing plate 16 and the positioning shell 8, the telescopic sleeve comprises an outer sleeve 10 and an inner sleeve 12 which are mutually nested, the outer sleeve 10 is welded with the positioning shell 8, and the inner sleeve 12 is welded with the carriage fixing plate 16; the outer sleeve 10 and the inner sleeve 12 are internally provided with a first spring 15, the positioning shell 8 is fixedly connected with a spring seat 13 corresponding to the first spring 15, the end part of the first spring 15 is arranged in the spring seat 13 and is fixed with the spring seat 13, and the spring seat 13 is positioned in the outer sleeve 10 in the vertical direction; an anti-falling structure is arranged between the outer sleeve 10 and the inner sleeve 12, the anti-falling structure comprises a limiting screw hole 11 arranged at one end, far away from the positioning shell 8, of the outer sleeve 10, a screw is connected with the limiting screw hole 11 in a threaded manner, a barrier strip 14 is connected to the outer side of the inner sleeve 12, and the barrier strip 14 is positioned between the screw and the spring seat 13; when the outer sleeve 10 and the inner sleeve 12 are stretched to a certain position, the barrier strip 14 is propped against the screw rod; the side plates corresponding to the limit screw holes 11 of the inner sleeve 12 are connected with the inner parts of other side plates relatively, namely, the side plates and the side plates at the two ends of the side plates form an I shape, and the two limit screw holes 11 are arranged, so that the inner sleeve 12 is in a duplex shape, and the anti-falling structure is convenient to set.

The spacing shell fixing plate 7 is provided with two first connecting plates 6 at intervals, the two first connecting plates 6 are rotationally connected with the fixing rod 5, and the fixing rod 5 is fixedly connected with the spacing rod 29; or the first connecting plate 6 is fixedly connected with the fixed rod 5, and the bottom of the limiting rod 29 is rotationally connected with the fixed rod 5; the carriage 39 is provided with a positioning collision plate 26, the frame 38 is provided with a baffle plate 25, the baffle plate 25 is positioned between the positioning collision plate 26 and the frame fixing plate 27, and when the carriage 39 is arranged on the frame 38, the positioning collision plate 26 is contacted with the baffle plate 25; the positioning part and the plug-in part are matched to form one-time positioning, and meanwhile, a conical pin and a plug-in positioning plate in a quick-release positioning fixing device for a detachable automobile are used for matching to form re-positioning, wherein the reference number of the positioning part and the plug-in part is CN 219406261U.

The primary-secondary connector comprises a primary connector 40 fixedly connected with the limiting part and a secondary connector 17 fixedly connected with the plug-in part; one end of the female connector 40, which is close to the movable plate 1, is connected with the limiting shell fixing plate 7 through a female first buckle 22, a female second buckle 23 is arranged on the outer side of the other end of the female connector, two ends of the air cylinder 21 are respectively connected with the female first buckle 22 and the female second buckle 23, the air cylinder 21 is fixedly connected with the female first buckle 22 through the mounting seat 20, and is fixedly connected with the female second buckle 23 through the second connecting plate 24; the sub-connector 17 is connected with the outer sleeve 10 through a sub-connector buckle 18, and the female connector 40 is spliced with the sub-connector 17; the primary and secondary connector is a directly available tool in the market, and the model LSQ-S1-04PF-1/2-BSP can be adopted, and fixing screw holes are formed in the primary and secondary buckle 18, the primary and secondary first buckle 22 and the secondary buckle 23, and bolts are screwed in for fixing.

The working process comprises the following steps: when a carriage is required to be loaded, a driver falls the carriage into the bottom of the carriage, the positioning shell 8 on the carriage moves towards the limiting shell 4 with the positioning convex shaft 9 within a certain error range, the positioning convex shaft 9 is not necessarily aligned with the limiting sleeve 3, but when the conical positioning shell 8 is inserted into the conical limiting shell 4, the limiting shell 4 is matched with the conical positioning shell 8 more accurately, the limiting shell 4 moves in order to enable the positioning convex shaft 9 to be inserted into the positioning sleeve 3, the limiting shell 4 moves left and right and moves up and down, meanwhile, the limiting rod 29 moves in the elliptical groove 32, the movement of the limiting rod 29 ensures stable matching, the left and right flexible adjustment is carried out, the whole movable plate 1 does not generate excessive displacement or even inclination, the ball 2 rolls on the carriage fixing plate 27, and the inner sleeve and the outer sleeve stretches to assist the positioning part to be matched with the plug part stably; the final positioning convex shaft 9 is inserted into the positioning sleeve 3, and the sub-connector 17 is inserted into the female connector 40 at the same time, so that positioning is completed; when the vehicle needs to be unloaded, the cylinder 21 is started to separate the sub-joint 17 from the main joint 40, and the telescopic support leg carried by the carriage 39 is used for lifting the telescopic support leg, driving the vehicle away and pulling the vehicle frame away.

Embodiment two;

as shown in fig. 9, unlike the first embodiment, a section of the stop lever 29 above the stop plate 28 is sleeved with a first sleeve 34, a side surface of the first sleeve 34 is provided with a stop shaft 35 perpendicular to the first sleeve, that is, horizontally arranged, the outer side of the stop shaft 35 is sleeved with a second sleeve 36, two first stop shafts 35 are symmetrically arranged about the first sleeve 34, and the first sleeve 34 and the second sleeve 36 are rubber sleeves with certain elasticity.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims (9)

1. A carriage and frame positioner, its characterized in that: comprises a limit part arranged on a frame (38), an inserting part fixed on a carriage (39) and corresponding to the limit part, and a movable limit structure connected with the limit part and used for adjusting the position of the limit part; the movable limiting structure comprises a frame fixing plate (27) fixed on a frame (38), a limiting part is arranged close to the frame fixing plate (27), both the limiting part and an inserting part are positioned between the frame fixing plate (27) and a carriage (39), one side, close to the limiting part, of the frame fixing plate (27) is connected with a limiting plate (28), and the limiting plate (28) is provided with an elliptical groove (32) for adjusting the movement of the limiting part; the limiting part comprises a movable plate (1) which is arranged at a distance from the frame fixing plate (27), and one side of the movable plate (1) away from the frame fixing plate (27) is connected with a limiting shell (4) matched with the plug-in part; the plug-in part comprises a positioning shell (8) which is plugged with the limit shell (4), and a primary-secondary connector for fixing the two parts is arranged between the limit part and the plug-in part; the movable limiting structure also comprises a limiting rod (29) with one end rotatably connected with the limiting part and the other end penetrating through the elliptical groove (32) upwards; the frame fixing plate (27) is connected with the limiting part through a second spring (31).

2. A car and frame positioning device as defined in claim 1, wherein: the limiting shell (4) is hollow cone-shaped, the movable plate (1) is fixedly connected with the limiting shell (4) through limiting shell fixing plates (7) distributed along the circumferential direction of the limiting shell (4), the top of the frame fixing plate (27) is provided with a spring fixing frame (30), the spring fixing frame (30) is connected with one end of a second spring (31), and the other end of the second spring (31) is fixedly connected with the limiting shell fixing plates (7).

3. A car and frame positioning device as defined in claim 1, wherein: the diameter of the limiting rod (29) is equal to the width of the elliptical groove (32), and the length of the elliptical groove (32) is larger than the diameter of the limiting rod (29).

4. A car and frame positioning device as defined in claim 1, wherein: the limiting plate (28) is provided with a limiting cylinder (33) corresponding to the elliptical groove (32) around the limiting plate, and the limiting rod (29) passes through the limiting cylinder (33) from bottom to top.

5. A car and frame positioning device as defined in claim 1, wherein: a first sleeve (34) is sleeved on one section of the limiting rod (29) above the limiting plate (28), a limiting shaft (35) which is vertical to the first sleeve (34) and is arranged horizontally is arranged on the side face of the first sleeve (34), and a second sleeve (36) is sleeved on the outer side of the limiting shaft (35).

6. A car and frame positioning device as defined in claim 1, wherein: a groove is formed in one side, close to the frame fixing plate (27), of the movable plate (1), balls (2) are arranged in the groove, and when the movable plate (1) moves relative to the frame fixing plate (27), the balls (2) are in rolling connection with the frame fixing plate (27).

7. A car and frame positioning device as defined in claim 1, wherein: one end of the positioning shell (8) facing the limiting shell (4) is provided with a positioning convex shaft (9), a communicated positioning hole is formed in the position, corresponding to the positioning convex shaft (9), of the limiting shell (4) and the movable plate (1), a positioning sleeve (3) is arranged in the positioning hole, and when the plug-in part is matched with the limiting part, the positioning convex shaft (9) is positioned in the positioning sleeve (3); the plug-in part also comprises a carriage fixing plate (16) fixed with the carriage (39), a telescopic sleeve is arranged between the carriage fixing plate (16) and the positioning shell (8), and the telescopic sleeve comprises an outer sleeve (10) and an inner sleeve (12) which are mutually nested; the inner sleeve (10) and the outer sleeve (12) are internally provided with a first spring (15); an anti-falling structure is arranged between the outer sleeve (10) and the inner sleeve (12).

8. A car and frame positioning device as defined in claim 1, wherein: the limiting shell fixing plate (7) is provided with a first connecting plate (6), the first connecting plate (6) is rotationally connected with the fixing rod (5), and the fixing rod (5) is fixedly connected with the limiting rod (29); or the first connecting plate (6) is fixedly connected with the fixed rod (5), and the bottom of the limiting rod (29) is rotationally connected with the fixed rod (5).

9. A car and frame positioning device as defined in claim 1, wherein: the primary-secondary connector comprises a primary connector (40) fixedly connected with the limiting part and a secondary connector (17) fixedly connected with the plug-in part; one end of the female connector (40) close to the movable plate (1) is connected with the limiting part through a female first buckle (22), a female second buckle (23) is arranged at the outer side of the other end of the female connector, and two ends of the air cylinder (21) are respectively connected with the female first buckle (22) and the female second buckle (23); the sub-connector (17) is connected with the plug-in connection part through a sub-connector buckle (18), and the female connector (40) is plugged in with the sub-connector (17).