Gravel aggregate grain shape on-line detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to a gravel aggregate grain shape on-line detection device which comprises a sampling pipe, a storage hopper, a dispersing mechanism, a conveying belt mechanism and an image acquisition mechanism, the dispersing mechanism comprises a dispersing box, and the vertical section, perpendicular to the advancing direction of the conveying belt mechanism, of the dispersing box is of an inverted trapezoidal structure with the thick upper portion and the thin lower portion. The upper end of the dispersing box is in flexible connection with the lower end of the storage hopper, a long-strip-shaped material dispersing opening is formed in the lower end of the dispersing box, the length direction of the material dispersing opening is parallel to the advancing direction of the conveying belt mechanism, and a driving assembly for driving the dispersing box and the material dispersing opening to do arc-shaped reciprocating motion is arranged on the outer side of the dispersing box. The axis of the arc-shaped reciprocating motion is parallel to the advancing direction of the conveying belt mechanism. In the advancing process of the conveying belt mechanism, the dispersing box and the material dispersing opening do reciprocating motion in the advancing direction perpendicular to the conveying belt mechanism, so that the gravel aggregate in the storage hopper is dispersed and conveyed to the conveying belt mechanism, and detection through the image collecting mechanism is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, more specifically, especially relate to a sand aggregate grain type on -line detection device. BACKGROUND

[0002] In recent years, with the sustained and rapid development of China's economic society, the demand for construction sand is growing. In the process of rapid development of mechanism sand and gravel aggregate industry, there are various problems, for example, the performance indicators of sand and gravel production equipment are uneven, the produced sand and gravel aggregate is unqualified or unstable, which hides the hidden danger for the project.

[0003] The existing technology mainly stays in identifying and detecting the static sand and gravel, the sampling equipment is used to grab samples from the production line at regular time, and after pretreatment, the static detection is carried out in the detection equipment, and then the conclusion is analyzed and output to the user, the defect is that the detection method has hysteresis, usually more than half an hour is needed from sampling to result, if the detection result finds the problem, a large number of unqualified products have entered the finished product warehouse, which is difficult to separate out.

[0004] The utility model discloses a sand aggregate grain type on -line detection device of CN217404068U, and it includes the conveyer belt device for conveying sand aggregate, the image acquisition device for carrying out image acquisition to the conveyer belt device conveying sand aggregate, the storage hopper arranged on the conveyer belt device top, the sampling tube obliquely arranged on the storage hopper top and the dispersion device for conveying sand aggregate in the storage hopper after dispersing and feeding to the conveyer belt device, the sand aggregate grain type on -line detection device can realize the automatic sampling, dispersion and conveying of sand aggregate, and can collect images and detect in the conveying process, and has the advantages of good sampling representativeness and accurate detection result. However, the dispersion device is separated by the area in the dispersion tank, and the sand aggregate in each area falls on the conveyer belt for dispersion, which still causes the uneven and overlapping of the aggregate on the conveyer belt, so that only the surface sand aggregate can be collected, and detection error is prone to occur. UTILITY MODEL CONTENTS

[0005] The utility model overcomes the above-mentioned situation shortage, aims at providing a sand aggregate grain type on -line detection device that can solve the above-mentioned problems.

[0006] The sand and gravel aggregate particle shape on-line detection device comprises a sampling pipe, a storage hopper, a dispersing mechanism, a conveying belt mechanism and an image acquisition mechanism, the sampling pipe is obliquely arranged and is provided with a sampling port on the lower side, a switchable sampling door is arranged at the sampling port, the storage hopper is arranged below the sampling port, the dispersing mechanism is arranged below the storage hopper and is in communication with the inside of the storage hopper, the conveying belt mechanism is arranged below the dispersing mechanism, and the image acquisition mechanism is arranged above the conveying belt mechanism and is located on the downstream side of the dispersing mechanism.

[0007] The dispersing mechanism comprises a dispersing box, the vertical section of the dispersing box perpendicular to the running direction of the conveying belt mechanism is in the shape of an inverted trapezoid with the upper end being thick and the lower end being thin, the upper end of the dispersing box is connected to the lower end of the storage hopper, the lower end of the dispersing box is provided with a long strip-shaped dispersing port, the length direction of the dispersing port is parallel to the running direction of the conveying belt mechanism, the outer side of the dispersing box is provided with a driving assembly for driving the dispersing box and the dispersing port to make arcuate reciprocating motion, and the axis of the arcuate reciprocating motion is parallel to the running direction of the conveying belt mechanism.

[0008] Further, mounting racks are arranged at the front and rear ends of the dispersing port, the storage hopper is fixedly connected with the mounting racks, rotating shafts are horizontally fixed at the front and rear ends of the dispersing box, the rotating shafts are rotatably connected with the mounting racks, and the driving assembly is used for driving the rotating shafts to rotate forward and backward reciprocatingly.

[0009] Further, the driving assembly comprises a first full gear, a first incomplete gear, a second incomplete gear and a driving motor, the first full gear is fixedly sleeved on one of the rotating shafts, the first incomplete gear and the second incomplete gear are rotatably arranged on the opposite sides of the first full gear, the first incomplete gear and the second incomplete gear are alternately engaged with the first full gear, the rotating directions of the first incomplete gear and the second incomplete gear are opposite, and the driving motor is in transmission connection with the first incomplete gear and the second incomplete gear.

[0010] Further, the first incomplete gear and the second incomplete gear are respectively provided with a first transmission shaft and a second transmission shaft, the first transmission shaft and the second transmission shaft are rotatably connected with the mounting racks, the driving motor is mounted on the mounting rack and has a third transmission shaft fixed on the output shaft, the third transmission shaft is fixedly sleeved with a second full gear, the second full gear is engaged with a third full gear, the third full gear is provided with a fourth transmission shaft, the third transmission shaft and the fourth transmission shaft are rotatably connected with the mounting rack, the third transmission shaft is in belt or chain transmission with the first transmission shaft, and the fourth transmission shaft is in belt or chain transmission with the second transmission shaft.

[0011] Further, the rotating angle of the rotating shaft is 60°-120°.

[0012] Further, the inclined surface of the dispersion box is provided with a vibration motor.

[0013] Further, the dispersion box is connected with the storage hopper through a flexible cylinder.

[0014] Further, the lower side of the sampling pipe and the two sides of the sampling port are provided with sliding grooves, the two side edges of the sampling door are slidably connected with the sliding grooves, and the lower side of the sampling pipe is provided with a hydraulic cylinder or an electric cylinder for driving the sampling door to slide.

[0015] Further, the conveying belt mechanism comprises a support, belt rollers rotatably arranged at two ends of the support, a conveying belt sleeved on the two belt rollers, and a conveying motor for driving one of the belt rollers to rotate, and one end of the support away from the dispersion mechanism is connected with a recycling hopper for receiving the sand and stone aggregates conveyed by the conveying belt.

[0016] Further, the left and right sides of the bulk material port are provided with adjusting plates, the upper ends of the adjusting plates are hingedly connected with the inner wall of the bulk material port, telescopic rods are installed outside the bulk material port, and the telescopic ends of the telescopic rods penetrate the inner wall of the bulk material port and are in contact with the adjusting plates.

[0017] Compared with the prior art, the sand and stone aggregate particle type online detection device has the following beneficial effects:

[0018] The sand and stone aggregate particle type online detection device has the following beneficial effects:

[0019] The sand and stone aggregate particle type online detection device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0021] Figure 1 Figure 1 is a whole structure schematic diagram of the sand and gravel aggregate particle type online detection device in the embodiment one of the utility model.

[0022] Figure 2 Figure 2 is a partial structure schematic diagram of the sand and gravel aggregate particle type online detection device in the embodiment one of the utility model.

[0023] Figure 3 Figure 3 is a structure schematic diagram of the storage hopper and dispersion mechanism in the embodiment one of the utility model.

[0024] Figure 4 Figure 4 is a side view of the storage hopper and dispersion mechanism in the embodiment one of the utility model.

[0025] Figure 5 Figure 5 is a structure schematic diagram of the sampling tube in the embodiment one of the utility model.

[0026] Figure 6 Figure 6 is a side sectional view of the storage hopper and dispersion mechanism in the embodiment two of the utility model.

[0027] Figure 1 is a whole structure schematic diagram of the sand and gravel aggregate particle type online detection device in the embodiment one of the utility model. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Embodiment one:

[0030] As Figures 1-5As shown, the sand aggregate particle type on-line detection device in the embodiment comprises a sampling pipe 1, a storage hopper 2, a dispersing mechanism, a conveying belt mechanism and an image acquisition mechanism 3. The sampling pipe 1 is arranged obliquely and has a sampling opening 4 formed on the lower side. A switchable sampling door 5 is arranged at the sampling opening 4. The storage hopper 2 is arranged below the sampling opening 4. The dispersing mechanism is arranged below the storage hopper 2 and communicates with the inside of the storage hopper 2. The conveying belt mechanism is arranged below the dispersing mechanism. The image acquisition mechanism 3 is arranged above the conveying belt mechanism and at the downstream side of the dispersing mechanism.

[0031] In the embodiment, the dispersing mechanism comprises a dispersing box 6. The vertical section of the dispersing box 6 perpendicular to the running direction of the conveying belt mechanism has an inverted trapezoidal structure with a wide upper end and a narrow lower end. The upper end of the dispersing box 6 is connected to the lower end of the storage hopper 2. The lower end of the dispersing box 6 is provided with a long strip-shaped dispersing opening 7. The length direction of the dispersing opening 7 is parallel to the running direction of the conveying belt mechanism. The outer side of the dispersing box 6 is provided with a driving assembly for driving the dispersing box 6 and the dispersing opening 7 to make arcuate reciprocating motion. The axis of the arcuate reciprocating motion is parallel to the running direction of the conveying belt mechanism.

[0032] Specifically, the front and rear ends of the dispersing opening 7 are provided with mounting racks 8. The storage hopper 2 is fixedly connected to the mounting racks 8. The front and rear ends of the dispersing box 6 are horizontally fixed with rotating shafts 9. The rotating shafts 9 are rotatably connected to the mounting racks 8. The driving assembly is used for driving the rotating shafts 9 to rotate forward and backward reciprocatingly.

[0033] The driving assembly comprises a first full gear 10, a first incomplete gear 11, a second incomplete gear 12 and a driving motor 13. The first full gear 10 is fixedly sleeved on one of the rotating shafts 9. The first incomplete gear 11 and the second incomplete gear 12 are rotatably arranged on the opposite sides of the first full gear 10, respectively. The first incomplete gear 11 and the second incomplete gear 12 are alternately engaged with the first full gear 10. The rotating directions of the first incomplete gear 11 and the second incomplete gear 12 are opposite. The driving motor 13 is in transmission connection with the first incomplete gear 11 and the second incomplete gear 12.

[0034] Preferably, the first incomplete gear 11 and the second incomplete gear 12 are respectively provided with a first transmission shaft 14 and a second transmission shaft 15. The first transmission shaft 14 and the second transmission shaft 15 are rotatably connected to the mounting racks 8. The driving motor 13 is mounted on the mounting racks 8 and has a third transmission shaft 16 fixedly sleeved on the output shaft. The third transmission shaft 16 is fixedly sleeved with a second full gear 17. The second full gear 17 is engaged with a third full gear 18. The third full gear 18 is provided with a fourth transmission shaft 19. The third transmission shaft 16 and the fourth transmission shaft 19 are rotatably connected to the mounting racks 8. The third transmission shaft 16 is in belt or chain transmission with the first transmission shaft 14. The fourth transmission shaft 19 is in belt or chain transmission with the second transmission shaft 15.

[0035] In the utility model, the rotation angle of the rotation shaft 9 is 60°-120°, preferably, in the embodiment, the rotation angle of the rotation shaft 9 is 90°, that is to say, two groups of teeth are arranged on the first incomplete gear 11 and the second incomplete gear 12, the two groups of teeth are symmetrically arranged, and each group of teeth accounts for one fourth of the outer periphery of the first incomplete gear 11 or the second incomplete gear 12, so that the first complete gear 10 is rotated by 90° when the first incomplete gear 11 and the second incomplete gear 12 are engaged with the first complete gear 10 each time, and the first incomplete gear 11 and the second incomplete gear 12 are arranged on the upper and lower sides of the first complete gear 10 respectively.

[0036] In the embodiment, in order to avoid the blockage of the scattering port 7, the vibrating motor 20 is arranged on the inclined surface of the dispersion box 6. In order to make the dispersion box 6 rotate smoothly, the flexible cylinder 21 is connected between the dispersion box 6 and the storage hopper 2, and the flexible cylinder 21 can be made of cloth or rubber material.

[0037] In the embodiment, the chute 22 is arranged on the lower side of the sampling pipe 1 and located on both sides of the sampling port 4, the two side edges of the sampling door 5 are slidably connected with the chute 22, and the lower side of the sampling pipe 1 is provided with the hydraulic cylinder or the electric cylinder for driving the sampling door 5 to slide.

[0038] In the embodiment, the conveying belt mechanism comprises the support 23, the belt rollers 24 rotatably arranged at both ends of the support 23, the conveying belt 25 sleeved on the two belt rollers 24 and the conveying motor 26 for driving one belt roller 24 to rotate, and one end of the support 23 away from the dispersion mechanism is connected with the recycling hopper 27 for receiving the sand and stone aggregates conveyed by the conveying belt 25.

[0039] The working principle of the sand and stone aggregate particle type online detection device in the embodiment is as follows:

[0040] The dispersion box 6 is in the inverted trapezoidal structure of thick upper and thin lower, the dispersion box 6 is provided with the strip-shaped scattering port 7 at the lower end, the driving assembly drives the dispersion box 6 and the scattering port 7 to do the arc reciprocating motion, the axis of the arc reciprocating motion is parallel to the advancing direction of the conveying belt mechanism, so that the dispersion box 6 and the scattering port 7 do the reciprocating motion along the vertical advancing direction of the conveying belt mechanism in the advancing process of the conveying belt mechanism, so as to disperse and convey the sand and stone aggregates in the storage hopper 2 to the conveying belt mechanism, and the detection is facilitated by the image acquisition mechanism 3.

[0041] Embodiment two:

[0042] The sand and stone aggregate particle type online detection device in the embodiment is further improved on the basis of the embodiment one. Specifically, as Figure 6As shown, the adjusting plate 28 is arranged at the left and right sides in the bulk material opening 7, the upper end of the adjusting plate 28 is hinged to the inner wall of the bulk material opening 7, the telescopic rod 29 is installed outside the bulk material opening 7, the telescopic end of the telescopic rod 29 penetrates the inner wall of the bulk material opening 7 and is in contact with the adjusting plate 28.

[0043] The sand and gravel aggregate particle type on-line detection device in the embodiment adjusts the width of the inner side of the bulk material opening 7 by adjusting the length of the telescopic end of the telescopic rod 29, so as to adapt to the detection of sand and gravel aggregates of different particle sizes, so that the sand and gravel aggregates are better dispersed, and the sand and gravel aggregates are prevented from being overlapped in multiple layers on the transmission belt.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for on-line detection of sand and gravel aggregate grain shape, characterized by, The device comprises a sampling tube (1), a storage hopper (2), a dispersing mechanism, a conveying belt mechanism and an image acquisition mechanism (3), the sampling tube (1) is arranged obliquely and has a sampling port (4) on the lower side, a switchable sampling door (5) is arranged at the sampling port (4), the storage hopper (2) is arranged below the sampling port (4), the dispersing mechanism is arranged below the storage hopper (2) and communicates with the inside of the storage hopper (2), the conveying belt mechanism is arranged below the dispersing mechanism, and the image acquisition mechanism (3) is arranged above the conveying belt mechanism and on the downstream side of the dispersing mechanism. The dispersing mechanism comprises a dispersing box (6), the vertical section of the dispersing box (6) perpendicular to the running direction of the conveying belt mechanism is in the shape of an inverted trapezoid with a wide upper end and a narrow lower end, the upper end of the dispersing box (6) is connected to the lower end of the storage hopper (2) in a flexible manner, the lower end of the dispersing box (6) is provided with an elongated dispersing port (7), the length direction of the dispersing port (7) is parallel to the running direction of the conveying belt mechanism, and the outer side of the dispersing box (6) is provided with a driving assembly for driving the dispersing box (6) and the dispersing port (7) to make arcuate reciprocating motion, the axis of the arcuate reciprocating motion is parallel to the running direction of the conveying belt mechanism.

2. The apparatus according to claim 1, wherein The front and rear ends of the dispersing port (7) are provided with mounting racks (8), the storage hopper (2) is fixedly connected to the mounting racks (8), the front and rear ends of the dispersing box (6) are horizontally fixed with rotating shafts (9), the rotating shafts (9) are rotatably connected to the mounting racks (8), and the driving assembly is used for driving the rotating shafts (9) to rotate forward and backward reciprocatingly.

3. The apparatus according to claim 2, wherein The driving assembly comprises a first full gear (10), a first incomplete gear (11), a second incomplete gear (12) and a driving motor (13), the first full gear (10) is fixedly sleeved on one of the rotating shafts (9), the first incomplete gear (11) and the second incomplete gear (12) are rotatably arranged on opposite sides of the first full gear (10), the first incomplete gear (11) and the second incomplete gear (12) are alternately engaged with the first full gear (10), the rotating directions of the first incomplete gear (11) and the second incomplete gear (12) are opposite, and the driving motor (13) is in transmission connection with the first incomplete gear (11) and the second incomplete gear (12).

4. The apparatus according to claim 3, wherein The first incomplete gear (11) and the second incomplete gear (12) are respectively provided with a first transmission shaft (14) and a second transmission shaft (15), the first transmission shaft (14) and the second transmission shaft (15) are rotatably connected with the mounting frame (8), the driving motor (13) is mounted on the mounting frame (8) and the output shaft is fixedly provided with a third transmission shaft (16), the third transmission shaft (16) is fixedly provided with a second complete gear (17), the second complete gear (17) is engaged with a third complete gear (18), the third complete gear (18) is provided with a fourth transmission shaft (19), and the third transmission shaft (16) and the fourth transmission shaft (19) are rotatably connected with the mounting frame (8), the third transmission shaft (16) is belt or chain driven with the first transmission shaft (14), and the fourth transmission shaft (19) is belt or chain driven with the second transmission shaft (15).

5. The apparatus according to claim 4, wherein The rotation angle of the rotating shaft (9) is 60°-120°.

6. The apparatus according to claim 5, wherein A vibrating motor (20) is arranged on the inclined surface of the dispersion box (6).

7. The apparatus according to claim 6, wherein A flexible cylinder (21) is connected between the dispersion box (6) and the storage hopper (2).

8. The apparatus according to claim 7, wherein A chute (22) is arranged on the lower side of the sampling pipe (1) and located on both sides of the sampling port (4), the two side edges of the sampling door (5) are slidably connected with the chute (22), and a hydraulic cylinder or an electric cylinder is arranged on the lower side of the sampling pipe (1) to drive the sampling door (5) to slide.

9. The apparatus according to claim 8, wherein The conveying belt mechanism comprises a support (23), a belt roller (24) rotatably arranged at both ends of the support (23), a conveying belt (25) sleeved on the two belt rollers (24), and a conveying motor (26) for driving one of the belt rollers (24) to rotate, one end of the support (23) away from the dispersion mechanism is connected with a recycling hopper (27) for receiving the sand and gravel aggregates conveyed by the conveying belt (25).

10. The apparatus according to claim 9, wherein Adjusting plates (28) are arranged on the left and right sides in the bulk material port (7), the upper end of the adjusting plate (28) is hinged to the inner wall of the bulk material port (7), an extension rod (29) is mounted outside the bulk material port (7), the extension end of the extension rod (29) penetrates the inner wall of the bulk material port (7) and is in contact with the adjusting plate (28).

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