Top-open type carriage 3D dimension measuring device

Abstract

The embodiment of the utility model relates to a top-open type carriage 3D dimension measuring device. The top-open type carriage 3D dimension measuring device comprises at least three sets of drill rod mechanisms and laser range finder assemblies detachably connected with the drill rod mechanisms. Wherein the two sets of drill rod mechanisms and the laser range finders are oppositely arranged and move front and back in the axial direction of the top-open type carriage, so that the two laser range finders determine the longitudinal coordinates of the carriage tail, then move oppositely in the radial direction, determine the first horizontal coordinates and the second horizontal coordinates of the carriage tail and send the first horizontal coordinates and the second horizontal coordinates to an external processor; and the other drill rod mechanism moves back and forth in the axial direction of the top-open type carriage, so that the laser range finder determines the longitudinal coordinate of the carriage head and the depth coordinate of the carriage and sends the longitudinal coordinate and the depth coordinate to an external processor.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor vehicle top open type carriage 3D size measurement field especially, a kind of top open type carriage 3D size measurement device. BACKGROUND

[0002] Top open type carriage sampling usually refers to the carriage that can be opened at top, sampling inspection is carried out to goods in carriage by specific equipment or method, for example, infrared sensor, ultrasonic radar etc. are measured to the side of carriage, and then sampling point is determined. The problem brought by this is that error is larger, and only the side of carriage and rear frame position can be measured, and such measurement mode has strict requirements to the parking position of vehicle and vehicle type, so as to cause wrong sampling, missing sampling, frequent operation when sampling, so that the efficiency of sampling operation is very low.

[0003] Then, how to quickly calibrate the 3D size of top open type carriage, so as to accurately determine sampling point, provide theoretical basis for subsequent quality inspection and analysis, become the problem to be solved in the field. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of top open type carriage 3D size measurement device, which does not depend on the parking position of vehicle and vehicle type, can determine the 3D size of top open type carriage, and then accurately calculate sampling point.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of top open type carriage 3D size measurement device, the top open type carriage 3D size measurement device includes at least three groups of drill rod mechanism and the laser range finder assembly of detachable connection with the drill rod mechanism;

[0006] Among them, two drill rod mechanisms and laser range finder are oppositely arranged, move along the axial direction of the top open type carriage, so that two laser range finders determine the longitudinal coordinate of carriage tail, then move along the radial direction, determine the first transverse coordinate and the second transverse coordinate of carriage tail, and send to external processor;

[0007] Another drill rod mechanism and laser range finder move along the axial direction of the top open type carriage, so that the laser range finder determines the longitudinal coordinate of carriage head and carriage depth coordinate, and sends to the external processor;

[0008] Each drill rod mechanism includes drill rod guide frame, drill pipe, drill head, drill rod traction plate and drill rod driving mechanism;

[0009] The drill rod guide frame is hollow structure;

[0010] The drill pipe is arranged in the hollow structure, and the bottom end of the drill pipe has external thread structure;

[0011] The drill head has an internal thread structure, which matches the external thread structure, so that the drill head is detachably connected with the drill pipe;

[0012] The drill rod traction plate is connected with the drill rod guide frame;

[0013] The drill rod driving mechanism comprises a driving sprocket, a driven sprocket, a transmission chain, a DC driving motor and a tensioning assembly; the driving sprocket is located at one side of the bottom of the drill rod guide frame;

[0014] The DC driving motor is drivingly connected with the driving sprocket; the driven sprocket is located at one side of the top of the drill rod guide frame and is connected with the driving sprocket through the transmission chain; the tensioning assembly is connected with the driven sprocket and is fixed with the drill rod guide frame; the transmission chain is connected with the drill rod traction plate;

[0015] Each laser range finder assembly comprises a base, a laser range finder, a protective cover and a dustproof lens; the base is fixed with the outside of the bottom of the drill rod guide frame; the laser range finder is fixed with the base; the protective cover is buckled on the base to protect the laser range finder; the protective cover has an opening which is aligned with the lens of the laser range finder; the dustproof lens is located at the opening.

[0016] Preferably, the drill rod mechanism further comprises two limiters;

[0017] The two limiters are respectively located at the upper end and the lower end of the drill rod guide frame.

[0018] Preferably, the drill rod mechanism further comprises a tension sensor;

[0019] The tension sensor is connected with the drill rod guide frame.

[0020] Preferably, the drill rod mechanism further comprises a nylon guide sleeve;

[0021] The nylon guide sleeve is sleeved at the lower end of the drill rod guide frame.

[0022] Preferably, the drill pipe comprises a straight part and a curved part which are integrally connected; the curved part extends out of the top end of the drill rod guide frame.

[0023] Preferably, the drill rod mechanism further comprises a pressure sensor;

[0024] The pressure sensor is connected with the drill rod guide frame.

[0025] Preferably, the tensioning assembly comprises a fixing frame, a pressure adjusting bolt, a sprocket tension adjusting spring and a positioning stop ring;

[0026] The fixing frame is fixed with the drill rod guide frame;

[0027] The positioning check ring is located at the top end of the fixing frame;

[0028] The pressure adjusting screw is connected with the driven chain wheel;

[0029] The chain wheel tension adjusting spring is located between the pressure adjusting screw and the positioning check ring.

[0030] The top-opening carriage 3D size measuring device provided by the embodiment of the utility model, through the arrangement mode of three groups of drill rod mechanisms and laser range finders, two groups of drill rod mechanisms and laser range finders are oppositely arranged, move along the axial direction of the top-opening carriage, make two laser range finders determine the longitudinal coordinate of the tail, then move along the radial direction oppositely, determine the first transverse coordinate and the second transverse coordinate of the tail; the other group of drill rod mechanism and laser range finder move along the axial direction of the top-opening carriage, and simultaneously under the drive of the drill rod drive mechanism, drive the drill rod guide frame, drill pipe and drill head to move along the vertical direction, make the laser range finder determine the longitudinal coordinate of the head and the carriage depth coordinate, and the external processor can determine the 3D size of the carriage according to the first transverse coordinate, the second transverse coordinate, the longitudinal coordinate and the carriage depth coordinate, and then accurately calculate the sampling point, so that the parking position and the vehicle type of the vehicle are not strictly required, the efficiency of the sampling operation is improved, and a theoretical basis is provided for subsequent quality inspection and analysis. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 The structure schematic view of a group of drill rod mechanisms and laser range finder components provided by the embodiment of the utility model;

[0032] Figure 2 The local structure schematic view of a group of drill rod mechanisms and laser range finder components provided by the embodiment of the utility model;

[0033] Figure 3 The local structure schematic view of a group of drill rod mechanisms and laser range finder components provided by the embodiment of the utility model;

[0034] Figure 4 The structure schematic view of the laser range finder component provided by the embodiment of the utility model;

[0035] Figure 5 The application scenario schematic view of the top-opening carriage 3D size measuring device provided by the embodiment of the utility model;

[0036] Figure 6 The application scenario schematic view of the top-opening carriage 3D size measuring device provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0037] The technical scheme of the utility model is further described in detail below with reference to the drawings and examples.

[0038] Figure 1 The structure schematic diagram of the top-open carriage 3D size measuring device provided by the utility model embodiment is shown in Figure 1 The utility model embodiment provides a kind of top-open carriage 3D size measuring device, including at least three groups of drill rod mechanism 1 and laser range finder component 2.

[0039] Again in combination Figure 2 And Figure 3 Each drill rod mechanism 1 specifically includes drill rod guide frame 10, drill pipe 11, drill head 12, drill rod traction plate 13 and drill rod driving mechanism 14.

[0040] Drill rod guide frame 10 is the support structure and protection structure of drill pipe 11 and drill head 12, and it is hollow structure.

[0041] Drill pipe 11 is arranged in hollow structure, and the bottom end of drill pipe 11 has external thread structure (not shown in the drawing). Drill head 12 has internal thread structure (not shown in the drawing). The internal thread structure and the external thread structure are matched, so that drill head 12 and drill pipe 11 can be detachably connected.

[0042] In a specific example, in combination Figure 2 Drill pipe 11 can include straight part 110 and curved part 111 connected integrally, as shown in

[0043] Drill rod traction plate 13 is connected with the outer side of drill rod guide frame 10.

[0044] In combination Figure 3 Drill rod driving mechanism 14 is the power mechanism of drill rod mechanism 1, and can drive drill rod guide frame 10 to move up and down along the vertical direction, so as to drive drill pipe 11 and drill head 12 to move synchronously. It mainly includes driving sprocket 141, driven sprocket 142, transmission chain 143, DC driving motor 144 and tensioning assembly 145.

[0045] Driving sprocket 141 is located at the bottom side of drill rod guide frame 10. DC driving motor 144 is connected with driving sprocket 141 through driving shaft 1411. Driven sprocket 142 is located at the top side of drill rod guide frame 10, and is connected with driving sprocket 141 through transmission chain 143. Transmission chain 143 is connected with drill rod traction plate 13, tensioning assembly 145 is connected with driven sprocket 142, and is fixed with drill rod guide frame 10.

[0046] In a specific example, the tensioning assembly 145 can include a fixed frame 1451, a pressure adjusting screw 1452, a sprocket tension adjusting spring 1453 and a positioning check ring 1454.

[0047] The fixed frame 1451 and the pressure adjusting screw 1452 are oppositely arranged. The positioning check ring 1454 is located at the top end of the fixed frame 1451. The sprocket tension adjusting spring 1453 is located between the pressure adjusting screw 1452 and the positioning check ring 1454.

[0048] The fixed frame 1451 is fixed with the drill rod guide frame 10. The pressure adjusting screw 1452 is connected with the driven sprocket 142 to adjust the tension of the driven sprocket 142.

[0049] As a preferred solution, the drill rod mechanism 1 further includes two limiters 15. The two limiters 15 are respectively located at the upper end and the lower end of the drill rod guide frame 10, and can limit the up-down movement of the drill rod guide frame 10.

[0050] As an optional solution, the drill rod mechanism 1 further includes a tension sensor 16. The tension sensor 16 is connected with the drill rod guide frame 10, and can detect the resistance received by the drill head 12. When the resistance is greater than the threshold value of the tension sensor 16, an alarm signal can be sent to an external processor to make the external processor send a stop signal to the DC motor.

[0051] In a preferred example, the drill rod mechanism 1 further includes a nylon guide sleeve 17. The nylon guide sleeve 17 is sleeved on the lower end of the drill rod guide frame 10, and mainly plays a protective role for the drill head 12.

[0052] As an optional solution, the drill rod mechanism 1 further includes a pressure sensor 18. The pressure sensor 18 is connected with the drill rod guide frame 10. When the resistance received by the drill head 12 is greater than the force threshold value of the drill head, the pressure sensor 18 can start reverse operation through the set pressure value, and plays a buffering protection role. In combination Figure 4 As shown, each laser range finder assembly 2 can specifically include a base 21, a laser range finder 22, a protective cover 23 and a dustproof lens 24. The base 21 is a fixing and supporting part of the laser range finder assembly 2. The laser range finder 22 is fixed with the base 21. The protective cover 23 is buckled on the base 21 to protect the laser range finder 22. The protective cover 23 has an opening (not shown in the figure), which is aligned with the lens of the laser range finder 22. The dustproof lens 24 is located at the opening, and mainly protects the lens of the laser range finder 22.

[0053] The laser range finder assembly 2 is fixed with the bottom outer side screw of the drill rod guide frame 10 through the base 21, realizes detachable connection with the drill rod mechanism 1, and thus synchronously moves with the drill rod mechanism 1.

[0054] The composition and connection relationship of each group of drill rod mechanism and laser range finder assembly in the top-open carriage 3D size measuring device are introduced above, and the working principle of the top-open carriage 3D size measuring device is briefly introduced below. Figure 5 And Figure 6 The working principle of the top-open carriage 3D size measuring device is briefly introduced below.

[0055] The two drill rod mechanisms 1 are oppositely arranged, and each drill rod mechanism 1 is fixed with a carrying mechanism, and under the driving of the carrying mechanism, the two drill rod mechanisms 1 first move forward and backward along the axial direction of the top-open carriage, so that the two laser range finders 22 determine the longitudinal coordinate of the tail of the carriage, then move in opposite radial directions, that is, move towards the corresponding side edges of the carriage respectively, to determine the first transverse coordinate and the second transverse coordinate of the tail of the carriage, and send to the external processor, so that the external processor determines the two end point coordinates of the tail of the carriage according to the longitudinal coordinate, the first transverse coordinate and the second transverse coordinate of the tail of the carriage.

[0056] In addition, after the other drill rod mechanism 1 is fixed with the moving device, it moves forward and backward along the axial direction of the top-open carriage, at the same time, the DC driving motor 144 drives the driving sprocket 141 to rotate, the driven sprocket 142 is driven to rotate through the transmission chain 143, so as to drive the drill rod traction plate 13 to move along the vertical direction, and then drive the drill rod guide frame 10, the drill pipe 11 and the drill head 12 to move along the vertical direction, so that the laser range finder 22 determines the longitudinal coordinate of the head of the carriage and the depth coordinate of the carriage, and sends to the external processor, so that the external processor determines the two end point coordinates of the head of the carriage according to the longitudinal coordinate, the first transverse coordinate and the second transverse coordinate of the head of the carriage, and then determines the 3D size of the top-open carriage according to the two end point coordinates of the tail of the carriage, the two end point coordinates of the head of the carriage and the depth coordinate of the carriage, and then can accurately determine the sampling point. In this way, the parking position and the vehicle type of the vehicle are not strictly required, the efficiency of the sampling operation is improved, and a theoretical basis is provided for subsequent quality inspection and analysis.

[0057] The top-open carriage 3D size measuring device provided by the embodiment of the utility model, through the arrangement mode of three groups of drill rod mechanisms and laser range finders, two groups of drill rod mechanisms and laser range finders are oppositely arranged, move forward and backward along the axial direction of the top-open carriage, so that two laser range finders determine the longitudinal coordinate of the tail of the carriage, then move in opposite radial directions, determine the first transverse coordinate and the second transverse coordinate of the tail of the carriage, and the other group of drill rod mechanisms and laser range finders move forward and backward along the axial direction of the top-open carriage, and drive the drill rod guide frame, the drill pipe and the drill head to move along the vertical direction under the driving of the drill rod driving mechanism, so that the laser range finder determines the longitudinal coordinate of the head of the carriage and the depth coordinate of the carriage, and the external processor can determine the 3D size of the carriage according to the first transverse coordinate, the second transverse coordinate, the longitudinal coordinate and the depth coordinate of the carriage, and then accurately calculate the sampling point, so that the parking position and the vehicle type of the vehicle are not strictly required, the efficiency of the sampling operation is improved, and a theoretical basis is provided for subsequent quality inspection and analysis.

[0058] The above specific embodiments explain the purpose, technical scheme and beneficial effects of the present application in further detail, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A top-opening vehicle compartment 3D dimension measuring device characterized by, The top-opening carriage 3D size measuring device comprises at least three groups of drill rod mechanisms and laser range finder assemblies detachably connected with the drill rod mechanisms; Two groups of drill rod mechanisms and laser range finders are oppositely arranged and move forward and backward along the axial direction of the top-opening carriage, so that two laser range finders determine the longitudinal coordinates of the tail of the carriage, and then move in the opposite radial direction to determine the first and second transverse coordinates of the tail of the carriage and send them to an external processor; Another group of drill rod mechanisms and laser range finders move forward and backward along the axial direction of the top-opening carriage, so that the laser range finder determines the longitudinal coordinates of the head of the carriage and the depth coordinates of the carriage and sends them to the external processor; Each drill rod mechanism comprises a drill rod guide frame, a drill pipe, a drill head, a drill rod traction plate and a drill rod driving mechanism; The drill rod guide frame is a hollow structure; The drill pipe is arranged in the hollow structure, and the bottom end of the drill pipe has an external thread structure; The drill head has an internal thread structure, which matches the external thread structure, so that the drill head is detachably connected with the drill pipe; The drill rod traction plate is connected with the drill rod guide frame; The drill rod driving mechanism comprises a driving sprocket, a driven sprocket, a transmission chain, a DC driving motor and a tensioning assembly; the driving sprocket is located on one side of the bottom of the drill rod guide frame; The DC driving motor is drivingly connected with the driving sprocket; the driven sprocket is located on one side of the top of the drill rod guide frame and is connected with the driving sprocket through the transmission chain; the tensioning assembly is connected with the driven sprocket and fixed with the drill rod guide frame; the transmission chain is connected with the drill rod traction plate; Each laser range finder assembly comprises a base, a laser range finder, a protective cover and a dustproof lens; the base is fixed with the outside of the bottom of the drill rod guide frame; the laser range finder is fixed with the base; the protective cover is buckled on the base to protect the laser range finder; the protective cover has an opening which is aligned with the lens of the laser range finder; and the dustproof lens is located at the opening.

2. The top opening vehicle cabin 3D dimension measuring apparatus according to claim 1, characterized by, The drill rod mechanism further comprises two limiters; The two limiters are respectively located at the upper end and the lower end of the drill rod guide frame.

3. The top opening vehicle compartment 3D dimension measuring apparatus according to claim 1, characterized by, The drill rod mechanism further comprises a tension sensor; The tension sensor is connected with the drill rod guide frame.

4. The top opening vehicle cabin 3D dimension measuring apparatus according to claim 1, characterized by, The drill rod mechanism further comprises a nylon guide sleeve; The nylon guide sleeve is sleeved on the lower end of the drill rod guide frame.

5. The top opening vehicle cabin 3D dimension measuring apparatus according to claim 1, characterized by, The drill pipe comprises a straight part and a curved part which are integrally connected; the curved part extends out of the top end of the drill rod guide frame.

6. The top opening vehicle compartment 3D dimension measuring apparatus according to claim 1, characterized by, The drill rod mechanism further comprises a pressure sensor; The pressure sensor is connected with the drill rod guide frame.

7. The top opening cargo bed 3D dimension measuring apparatus according to claim 1, characterized by, The tensioning assembly comprises a fixing frame, a pressure adjusting bolt, a sprocket tension adjusting spring and a positioning stop ring; The fixing frame is fixed with the drill rod guide frame; The positioning stop ring is located at the top end of the fixing frame; The pressure adjusting bolt is connected with the driven sprocket; The sprocket tension adjusting spring is located between the pressure adjusting bolt and the positioning stop ring.

Images