Protective type classified conveying device for fruit screening based on visual inspection

Abstract

The invention discloses a protection type classified conveying device for fruit screening based on visual inspection, and belongs to the technical field of protection type classified conveying for fruit screening. The protection type classified conveying device is provided with a conveying support convenient to support, a conveying belt is rotationally arranged on the inner surface of the conveying support, and a supporting plate is connected to the upper side of the inner surface of the conveying belt; comprising a worm which rotates on the right side of the inner surface of the conveying support, a worm gear is connected to the rear side of the outer surface of the worm, a rotating shaft is installed at the center axis of the inner surface of the worm gear, and meanwhile a gear is installed on the lower surface of the rotating shaft. A conveying support convenient to support is arranged, a supporting frame is installed in cooperation with a detachable connecting base, the stability of a visual detector on the supporting frame is controlled, the visual detector is prevented from toppling and shaking, a clamping block is arranged in a matched mode, the stability of the supporting frame is controlled, and through cooperation of an assembled push plate and a flow channel, the visual detector is prevented from toppling and shaking. The stability of fruit screening and classification is improved, and the fruits are prevented from being damaged.

Description

Technical Field

[0001] The invention relates to the technical field of protective sorting and conveying for fruit screening, and in particular to a protective sorting and conveying device for fruit screening based on visual detection. Background Art

[0002] The classification and conveying device for fruit screening is used to classify fruits during screening and distinguish different belts. It cooperates with the set conveying device to form stable conveying, and improves the conveying stability through the corresponding bracket. During use, it is easy to cause unstable conveying during the classification process, affecting the effect of classification and screening.

[0003] In order to overcome the above-mentioned defects, the prior art (Chinese patent application with application number CN202023133132.1 and application date 2020-12-23) is a fruit picking conveying device, which is provided with a conveyor hung at the branch position of the fruit tree, and a conveyor belt rotating around the inner side of the side frame supports the movement of multiple groups of receiving frames to place the fruits harvested from the fruit tree position into the inner side of the receiving frame, and the fruits are transported to the ground position at the bottom of the conveyor by the conveyor, thereby improving the efficiency of fruit picking, and workers do not need to carry fruit storage containers. At the same time, a packaging component for packaging the fruits is provided on one side of the conveyor to improve the practicality of the equipment; there is also the prior art (Chinese patent application with application number CN202322942243.4 and application date 2023-11-01 A fruit conveying structure for fruit screening machines that prevents collisions is provided by setting baffles, sliders, and limit blocks. When adjusting the outlet for different fruit types, the limit block is pressed, and the slider is pushed up and down to move the baffle together. When it moves to the appropriate position, the limit block can be released. The outlet size can be adjusted according to the size of the fruit, and the speed at which the fruit enters the conveyor belt can be adjusted to control the density of the fruit on the conveyor belt to prevent collisions; and the prior art (Chinese patent application with application number CN201821390305.8 and application date 2018-08-28) A fruit conveying device with a compact structure, a reasonable layout of the bracket assembly, the conveyor belt assembly assembly, and the end concentric device assembly, which can swing left and right while achieving pitch adjustment. The end concentric device assembly ensures that the gap with the bridge structure remains unchanged when rotating; although the prior art can complete screening and classification, it is easy to cause unstable size classification during work, resulting in large errors during classification, and it is easy to cause damage to the classified fruits.

[0004] In view of the above problems, it is urgent to carry out innovative design based on the original conveying device for fruit screening. Summary of the invention

[0005] The purpose of the present invention is to provide a protective sorting and conveying device for fruit screening based on visual detection, so as to solve the problems mentioned in the above background technology that the size classification is easily unstable, resulting in large errors in classification, and easily causing damage to the classified fruits.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a protective classification and conveying device for fruit screening based on visual inspection, which is provided with a conveying bracket that is easy to support, and a conveyor belt is rotatably arranged on the inner surface of the conveying bracket, and a support plate is connected to the upper side of the inner surface of the conveying belt; it includes: a worm, which rotates on the right side of the inner surface of the conveying bracket, and a worm wheel is connected to the rear side of the outer surface of the worm, and a rotating shaft is installed at the center axis of the inner surface of the worm wheel, and a gear is installed on the lower surface of the rotating shaft, and the gear is provided with a two-way locking mechanism; a turntable, which rotates on the front side of the outer surface of the conveying bracket, and the turntable is connected to a connecting rod through eccentric rotation, and a push plate is rotatably connected to the rear side of the outer surface of the connecting rod, and the push plate is positioned and rotated on the upper side of the conveying bracket, and the push plate is installed with an anti-collision pad through an embedded nesting piece, and the conveying bracket is provided with a limited conveying mechanism.

[0007] Preferably, the conveying bracket forms a meshing rotation structure through the worm and the worm wheel, and the worm wheel forms a coaxial rotation structure through the rotating shaft and the gear, and the rotating shaft and the conveying bracket form a positioning rotation structure.

[0008] Through the above structure, effective linkage rotation is formed during use, and a locking effect is achieved after rotation to prevent the gears from reversing.

[0009] Preferably, the outer surface of the gear in the bidirectional locking mechanism is meshed with racks at equal angles on the left and right sides, and a moving rod and a limit piece are installed on the outer surface of the rack, and the limit piece is slidably connected to the inner surface of the conveying bracket, and a clamping block is installed on the outer surface of the moving rod.

[0010] Through the above structure, the stability of the rack movement is improved during use, and the position of the clamping block is controlled for clamping use.

[0011] Preferably, the gear forms an equiangular meshing structure with the moving rod through the rack, and the moving rod forms a sliding structure with the conveying bracket through the limiter, and the moving rod, the limiter and the block form an integrated structure.

[0012] Through the above structure, the stability of the movement of the card block can be improved during use, and the symmetrical card blocks can be moved synchronously to avoid position deviation or unstable engagement.

[0013] Preferably, the outer surface of the card block is snap-connected with a connecting seat, and the connecting seat is nested in the inner surface of the conveying bracket, and the upper surface of the connecting seat is installed with a support frame, and the inner surface of the support frame is installed with a diagonal brace, and at the same time, a locking assembly is installed on the upper surface of the support frame, and the connecting seat forms a limiting snap-fit ​​structure with the conveying bracket through the card block, and the connecting seat, the support frame, the diagonal brace and the locking assembly form an integrated structure.

[0014] Through the above structure, the stability of the support frame is improved during use, and the supported visual detector is prevented from tipping over.

[0015] Preferably, a card is slidably provided on the inner surface of the locking assembly, and a return spring is elastically connected between the card and the locking assembly, and a visual detector is snap-connected to the outer surface of the card. At the same time, the locking assembly forms an elastic snap-fit ​​structure with the visual detector through the return spring and the card.

[0016] The above structure improves the stability of the visual detector assembly during use, prevents it from falling off, and facilitates timely replacement when it is damaged.

[0017] Preferably, an extrusion block 1 is installed on the upper surface of the clamp, and an extrusion block 2 is connected to the side of the outer surface, and a positioning rod is installed on the outer surface of the extrusion block 2, and a push rod is installed on the outer surface of the positioning rod, and the positioning rod forms an oblique extrusion structure with the extrusion block 1 through the positioning rod and the extrusion block 2, and the extrusion block 1 is embedded in the upper surface of the clamp.

[0018] The above structure facilitates effective and quick unlocking during use, thereby improving the convenience of replacing the visual detector.

[0019] Preferably, the turntable and the conveying bracket form a rotating structure, and the turntable and the push plate form a positioning rotating structure through a connecting rod, and the push plate forms a nested protective structure through a nested piece one and an anti-collision pad one.

[0020] Through the above structure, the stability of the turntable during rotation is improved during use, and the anti-collision pad is controlled to promote fruit classification.

[0021] Preferably, a flow channel is installed on the rear side of the outer surface of the conveying bracket in the limiting conveying mechanism, and the inner surface of the flow channel is connected to an anti-collision pad 2 through a nested piece 2, and a buffer strip is installed on the upper surface of the anti-collision pad 2, and a collection box is provided on the lower surface of the flow channel.

[0022] Through the above structure, the safety of fruits passing through is improved during use, and damage caused by direct falling is avoided.

[0023] Preferably, the conveying bracket and the flow channel form an integrated structure, and the flow channel forms a nested structure with the second anti-collision pad through the second nesting piece, and the buffer strip is embedded and installed at an equal distance from the upper surface of the second anti-collision pad.

[0024] The structure can improve the stability of use during use, and the flexible squeezing of the buffer strip in the flow channel can reduce the force of the fruit falling.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. A conveying bracket that is easy to support is provided, and a support frame installed with a detachable connecting seat is used to control the stability of the visual detector on the support frame and prevent the visual detector from tipping over and shaking. The block provided is used to control the stability of the support frame, and the cooperation of the assembled push plate and the flow channel is used to improve the stability of fruit screening and classification and prevent the fruit from being damaged.

[0027] 2. A two-way locking mechanism is provided to facilitate the control of the cooperation between the worm and the worm wheel, control the stability of the rotating gear, avoid the reversal of the gear after rotation, play a locking role, and adjust the position of the card block of the gear control rack assembly to improve the stability of the limit between the card block and the connecting seat, prevent the connecting seat from falling off, and improve the stability of the support frame; further, the card assembled by the limit piece installed by the moving rod installed on the rack can effectively limit the sliding of the card, improve the convenience and stability of the sliding adjustment of the card, and prevent the card from tilting and dislocation when the card moves; further, through the locking assembly of the limit locking, the stability of the visual detector is effectively improved through the use of the card, and the stability of the visual detector assembly is controlled through the cooperation of the push rod and the extrusion block two and the extrusion block one.

[0028] 3. A limited conveying mechanism is set up to facilitate the use of the connecting rod connected by the assembled turntable and the push plate to control the coordination of the anti-collision pad 1 and the anti-collision pad 2 on the flow channel, so as to improve the stability and safety of the fruit screening and pushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the three-dimensional structure of the delivery stent of the present invention;

[0030] Figure 2 This is a schematic diagram of a half-section three-dimensional structure of the delivery stent of the present invention;

[0031] Figure 3 It is a schematic diagram of a partially cutaway three-dimensional structure of the support frame of the present invention;

[0032] Figure 4 It is a schematic diagram of the three-dimensional structure of the moving rod of the present invention;

[0033] Figure 5It is a schematic diagram of a partially cutaway three-dimensional structure of the locking assembly of the present invention;

[0034] Figure 6 It is a schematic diagram of a half-section three-dimensional structure of a turntable of the present invention;

[0035] Figure 7 It is a schematic diagram of a partially cutaway three-dimensional structure of the crash pad of the present invention.

[0036] In the figure: 1. conveying bracket; 2. conveyor belt; 3. support plate; 4. worm; 5. worm wheel; 6. rotating shaft; 7. gear; 8. rack; 9. moving rod; 10. limit piece; 11. clamping block; 12. connecting seat; 13. support frame; 14. diagonal support; 15. locking assembly; 16. clamping piece; 1601. extrusion block one; 1602. extrusion block two; 1603. positioning rod; 1604. push rod; 17. reset spring; 18. visual detector; 19. turntable; 20. connecting rod; 21. push plate; 22. nesting piece one; 23. anti-collision pad one; 24. flow channel; 25. nesting piece two; 26. anti-collision pad two; 27. buffer strip; 28. collection box. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 7 The present invention provides a technical solution: a protective classification conveying device for fruit screening based on visual detection, which is provided with a conveying bracket 1 that is easy to support, and a conveying belt 2 is rotated on the inner surface of the conveying bracket 1, and a support plate 3 is connected to the upper side of the inner surface of the conveying belt 2.

[0039] Embodiment 1: Figure 1-Figure 4The technical scheme shown in the invention provides the following technical scheme: a protective classification and conveying device for fruit screening based on visual detection is disclosed, comprising: a worm 4, which rotates on the right side of the inner surface of a conveying bracket 1, and a worm wheel 5 is connected to the rear side of the outer surface of the worm 4, and a rotating shaft 6 is installed at the middle axis of the inner surface of the worm wheel 5, and a gear 7 is installed on the lower surface of the rotating shaft 6, and the gear 7 is provided with a two-way engaging mechanism; the conveying bracket 1 forms a meshing rotation structure with the worm wheel 5 through the worm 4, and the worm wheel 5 forms a coaxial rotation structure with the gear 7 through the rotating shaft 6, And the rotating shaft 6 and the conveying bracket 1 form a positioning and rotating structure; the left and right sides of the outer surface of the gear 7 in the two-way locking mechanism are equi-angle meshingly connected with the rack 8, and the outer surface of the rack 8 is installed with a moving rod 9 and a limiter 10, and the limiter 10 is slidably connected to the inner surface of the conveying bracket 1, and the outer surface of the moving rod 9 is installed with a clamping block 11; the gear 7 forms an equi-angle meshing structure with the moving rod 9 through the rack 8, and the moving rod 9 forms a sliding structure with the conveying bracket 1 through the limiter 10, and the moving rod 9, the limiter 10 and the clamping block 11 form an integrated structure.

[0040] When in use, the motor connected to the conveyor belt 2 assembled through the conveying bracket 1 is used to control the conveyor belt 2 to rotate, and the support plate 3 installed on the conveying bracket 1 is used to improve the stability of the conveyor belt 2 in conveying fruits, and the motor built into the conveying bracket 1 is used to drive the worm 4 to rotate, and the rotating shaft 6 installed on the worm wheel 5 assembled by the meshing of the worm 4 is controlled to be positioned and rotated, and the gear 7 coaxially installed on the rotating shaft 6 is controlled to rotate, and when rotating, the rack 8 assembled by the meshing of the gear 7 is controlled to control the moving rod 9 installed on the rack 8 to cooperate with the limiting piece 10 to form a limited sliding, and the block 11 installed on the moving rod 9 is controlled to effectively control the block 11 to form a limited extension and retraction on the inner surface of the conveying bracket 1.

[0041] Embodiment 2: Figure 1 , Figure 2 and Figure 5The technical solution shown, on the basis of the first embodiment, also discloses the stability of the support frame 13 assembly and the positioning engagement of the visual detector 18 on the support frame 13, and its specific contents are as follows: the outer surface of the block 11 is engaged with the connecting seat 12, and the connecting seat 12 is nested in the inner surface of the conveying bracket 1, and the upper surface of the connecting seat 12 is installed with the support frame 13, and the inner surface of the support frame 13 is installed with the diagonal brace 14, and at the same time, the upper surface of the support frame 13 is installed with a locking assembly 15, and the connecting seat 12 forms a limiting engagement structure with the conveying bracket 1 through the block 11, and the connecting seat 12 and the support frame 13, the diagonal brace 14 and the locking assembly 15 form an integrated structure; the inner surface of the locking assembly 15 is slidably provided with a clamp 16, and the clamp 16 is A reset spring 17 is elastically connected between the card 16 and the locking assembly 15, and the outer surface of the card 16 is snap-connected with a visual detector 18, and the locking assembly 15 forms an elastic snap-fit ​​structure with the visual detector 18 through the reset spring 17 and the card 16; an extrusion block 1601 is installed on the upper surface of the card 16, and an extrusion block 2 1602 is connected to the side of the outer surface, and a positioning rod 1603 is installed on the outer surface of the extrusion block 2 1602, and a push rod 1604 is installed on the outer surface of the positioning rod 1603, and the positioning rod 1603 forms an oblique extrusion structure with the extrusion block 1 1601 through the positioning rod 1603 and the extrusion block 2 1602, and the extrusion block 1 1601 is embedded in the upper surface of the card 16.

[0042] When in use, the connecting seat 12 installed on the control support frame 13 is stably engaged with the inner surface of the conveying bracket 1, and the stability of the assembly of the support frame 13 is effectively controlled through the telescopic adjustment of the card block 11, and the visual detector 18 is controlled to pass through the upper surface of the support frame 13 through the oblique support 14 installed on the support frame 13 and the locking assembly 15 assembled therein, and the card 16 elastically assembled by the reset spring 17 connected to the locking assembly 15 is used to elastically engage and fix the visual detector 18, thereby improving the stability of the assembly of the visual detector 18, and through the use of the positioning rod 1603 and the push rod 1604 assembled by the extrusion block 2 1602 slidably assembled by the locking assembly 15, the extrusion block 2 1602 installed by the positioning rod 1603 is controlled to form an oblique extrusion with the extrusion block 1 1601 through the push of the push rod 1604, thereby controlling the unlocking sliding of the card 16, and improving the stability of the assembly of the visual detector 18.

[0043] Embodiment 3: Figure 1 , Figure 2 , Figure 6 and Figure 7The technical solution shown in the embodiment 2 also discloses the moving stability of the push plate 21, and its specific contents are as follows: the turntable 19 rotates on the front side of the outer surface of the conveying bracket 1, and the turntable 19 is connected to the connecting rod 20 through eccentric rotation, and the outer surface rear side of the connecting rod 20 is connected to the push plate 21 through rotation, and the push plate 21 is positioned and rotated on the upper side of the conveying bracket 1, and the push plate 21 is installed with an anti-collision pad 23 through an embedded nesting piece 22, and the conveying bracket 1 is provided with a limited conveying mechanism; the turntable 19 and the conveying bracket 1 form a rotating structure, and the turntable 19 and the push plate 21 form a positioning rotation through the connecting rod 20. Rotation structure, and the push plate 21 forms a nested protection structure with the anti-collision pad 23 through the nesting piece 22; a flow channel 24 is installed on the rear side of the outer surface of the conveying bracket 1 in the limiting conveying mechanism, and the inner surface of the flow channel 24 is nested and connected with the anti-collision pad 26 through the nesting piece 25, and a buffer strip 27 is installed on the upper surface of the anti-collision pad 26, and a collecting box 28 is arranged on the lower surface of the flow channel 24; the conveying bracket 1 and the flow channel 24 form an integrated structure, and the flow channel 24 forms a nested structure with the anti-collision pad 26 through the nesting piece 25, and the buffer strip 27 and the upper surface of the anti-collision pad 26 are embedded and installed at an equal distance.

[0044] When the visual detector 18 detects fruits of different diameters for classification and use, the motor controlled by the front side of the conveying bracket 1 drives the turntable 19 to rotate, and the eccentric control connecting rod 20 of the turntable 19 is used to rotate, which can drive the push plate 21 assembled with the connecting rod 20 to rotate, control the positioning rotation between the push plate 21 and the conveying bracket 1, and control the contact of the anti-collision pad 23 installed on the nested part 22 built into the push plate 21 to avoid damage to the fruit, and the anti-collision pad 26 assembled by the nested part 25 built into the flow channel 24 forms a protective conveyance for the fruit, and the buffer strip 27 assembled with the anti-collision pad 26 forms a falling buffer, and the fruit is effectively conveyed to the collection box 28, thereby improving the transportation safety.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective sorting and conveying device for fruit screening based on visual detection, comprising a conveying support (1) for easy support, a conveying belt (2) rotating on the inner surface of the conveying support (1), and a support plate (3) connected to the upper side of the inner surface of the conveying belt (2); It is characterized in that include: A worm (4) rotates on the right side of the inner surface of the conveying bracket (1), and a worm wheel (5) is connected to the rear side of the outer surface of the worm (4), and a rotating shaft (6) is installed at the center axis of the inner surface of the worm wheel (5), and a gear (7) is installed on the lower surface of the rotating shaft (6), and the gear (7) is provided with a bidirectional locking mechanism; A turntable (19) is rotated on the front side of the outer surface of the conveying bracket (1), and the turntable (19) is connected to a connecting rod (20) by eccentric rotation, and the rear side of the outer surface of the connecting rod (20) is rotatably connected to a push plate (21), and the push plate (21) is positioned and rotated on the upper side of the conveying bracket (1), and at the same time, the push plate (21) is installed with an anti-collision pad (23) through an embedded nesting piece (22), and the conveying bracket (1) is provided with a limited conveying mechanism.

2. According to claim 1, a protective sorting and conveying device for fruit screening based on visual detection is characterized in that: The conveying bracket (1) forms a meshing rotation structure through the worm (4) and the worm wheel (5), and the worm wheel (5) forms a coaxial rotation structure through the rotating shaft (6) and the gear (7), and the rotating shaft (6) and the conveying bracket (1) form a positioning rotation structure.

3. The protective sorting and conveying device for fruit screening based on visual detection according to claim 1 is characterized in that: The left and right sides of the outer surface of the gear (7) in the bidirectional locking mechanism are meshed with racks (8) at equal angles, and the outer surface of the rack (8) is installed with a moving rod (9) and a limiting member (10), and the limiting member (10) is slidably connected to the inner surface of the conveying bracket (1), and a clamping block (11) is installed on the outer surface of the moving rod (9).

4. The protective sorting and conveying device for fruit screening based on visual detection according to claim 2 is characterized in that: The gear (7) forms an equiangular meshing structure with the moving rod (9) through the rack (8), and the moving rod (9) forms a sliding structure with the conveying bracket (1) through the limiting member (10), and the moving rod (9) forms an integrated structure with the limiting member (10) and the clamping block (11).

5. The protective sorting and conveying device for fruit screening based on visual detection according to claim 3 is characterized by: The outer surface of the clamping block (11) is snap-connected with a connecting seat (12), and the connecting seat (12) is nested in the inner surface of the conveying bracket (1), and a supporting frame (13) is installed on the upper surface of the connecting seat (12), and an inclined brace (14) is installed on the inner surface of the supporting frame (13), and a locking assembly (15) is installed on the upper surface of the supporting frame (13), and the connecting seat (12) forms a limiting snap-fit ​​structure with the conveying bracket (1) through the clamping block (11), and the connecting seat (12) and the supporting frame (13), the inclined brace (14) and the locking assembly (15) form an integrated structure.

6. The protective sorting and conveying device for fruit screening based on visual detection according to claim 5 is characterized by: A clamping piece (16) is slidably mounted on the inner surface of the locking assembly (15), and a return spring (17) is elastically connected between the clamping piece (16) and the locking assembly (15), and a visual detector (18) is snap-connected to the outer surface of the clamping piece (16), and the locking assembly (15) forms an elastic snap-fit ​​structure with the visual detector (18) through the return spring (17) and the clamping piece (16).

7. The protective sorting and conveying device for fruit screening based on visual detection according to claim 6 is characterized by: The upper surface of the clamp (16) is installed with an extrusion block 1 (1601), and the side surface of the outer surface is connected with an extrusion block 2 (1602), and the outer surface of the extrusion block 2 (1602) is installed with a positioning rod (1603), and the outer surface of the positioning rod (1603) is installed with a push rod (1604), and the positioning rod (1603) forms an oblique extrusion structure with the extrusion block 1 (1601) through the positioning rod (1603) and the extrusion block 2 (1602), and the extrusion block 1 (1601) is embedded in the upper surface of the clamp (16).

8. The protective sorting and conveying device for fruit screening based on visual detection according to claim 1 is characterized in that: The turntable (19) and the conveying support (1) form a rotating structure, and the turntable (19) forms a positioning rotating structure through a connecting rod (20) and a push plate (21), and the push plate (21) forms a nesting protection structure through a nesting piece (22) and an anti-collision pad (23).

9. The protective sorting and conveying device for fruit screening based on visual detection according to claim 1 is characterized in that: A flow channel (24) is installed on the rear side of the outer surface of the conveying bracket (1) in the position-limiting conveying mechanism, and an anti-collision pad (26) is nested and connected to the inner surface of the flow channel (24) through a nesting piece (25), and a buffer strip (27) is installed on the upper surface of the anti-collision pad (26), and a collection box (28) is provided on the lower surface of the flow channel (24).

10. The protective sorting and conveying device for fruit screening based on visual detection according to claim 1 is characterized in that: The conveying support (1) and the flow channel (24) form an integrated structure, and the flow channel (24) forms a nested structure with the second nesting piece (25) and the second anti-collision pad (26), and the buffer strip (27) and the upper surface of the second anti-collision pad (26) are embedded and installed at an equal distance.

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