A grain door structure of a grain bin

Abstract

The application relates to a grain blocking door structure of a granary and relates to the technical field of grain storage equipment; the supporting plates are two, are fixed at the back sides of the grain blocking doors respectively; the motors are two, are fixed at the front sides of the grain blocking doors respectively, output shafts of the motors pass through the grain blocking doors, and the output shafts are arranged at the lower sides of the supporting plates; the motors are connected with external power supplies; the lifting assemblies are two, are arranged between the supporting plates and the bottom sections respectively; the locking assemblies are arranged at the bottom front sides of the connecting ends of the left and right bottom sections; when grain is discharged from the granary, the bottom sections of the grain blocking doors do not need to be manually opened or dismounted by workers, and the grain discharging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grain storage equipment, in particular to a grain blocking door structure of a grain depot. BACKGROUND

[0002] At present, the existing grain depot grain blocking door bottom sheet mainly has several types of dismounting type, manual flat opening and folding type, but no matter which opening mode, the grain blocking door bottom sheet needs to be manually opened or dismounted when the grain is discharged in the grain depot, which is time-consuming and laborious and relatively inconvenient. SUMMARY

[0003] The present application aims at the defects and deficiencies of the prior art, and provides a grain blocking door structure of a grain depot, which is simple in structure, reasonable in design and convenient to use, and when the grain is discharged in the grain depot, the bottom section grain blocking door does not need to be manually opened or dismounted by the staff, thereby improving the efficiency of grain discharge.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: it comprises a door frame, a grain blocking door and a bottom section, the door frame is provided with two door frames and is arranged opposite to each other, the rear side inner wall of the door frame is hingedly provided with the grain blocking door through a hinge shaft, the front side between the left and right two grain blocking doors is connected and arranged through a hand wheel, and the rear side of the grain blocking door is provided with the bottom section; it further comprises:

[0005] a support plate, the support plate is provided with two support plates and is fixed to the rear side of the grain blocking door;

[0006] a motor, the motor is provided with two motors and is fixed to the front side of the grain blocking door, and the output shaft of the motor is arranged on the lower side of the support plate after penetrating through the grain blocking door; the motor is connected with an external power supply;

[0007] a lifting assembly, the lifting assembly is provided with two lifting assemblies and is arranged between the support plate and the bottom section;

[0008] a locking assembly, the locking assembly is arranged at the bottom front side of the connecting end of the left and right two bottom sections;

[0009] Through the above technical scheme design, the bottom section is driven by the lifting assembly to realize the opening and closing of the grain depot, and the locking assembly reinforces the two closed bottom sections.

[0010] As a further improvement of the present application, the lifting assembly comprises:

[0011] a worm, the worm is fixed to the rear end of the output shaft of the motor;

[0012] a worm gear, the worm gear is meshingly arranged on one side of the worm, and a support shaft is arranged and fixed in the inside of the worm gear, and the upper end of the support shaft is rotatably arranged in the support plate through a bearing;

[0013] a lead screw, the lead screw is fixed to the bottom end of the support shaft;

[0014] A threaded tube, wherein the threaded tube is sleeved on the screw rod through a threaded connection, and the bottom end of the threaded tube is screwed on the bottom section through a bearing;

[0015] Guide rails, wherein the guide rails are several and fixed at equal intervals on the rear side of the grain retaining door, and the bottom section is slidably arranged on the guide rails through the guide groove opened on the front side thereof;

[0016] Through the above technical solution design, the worm drives the worm wheel to rotate, and the bottom section is moved by thread drive.

[0017] As a further improvement of the present invention, a baffle is fixed to the rear bottom of the support plate, and the baffle is contacted with the rear side of the bottom section;

[0018] Through the above technical solution design, the lifting components are blocked.

[0019] As a further improvement of the present invention, the locking assembly comprises:

[0020] There are two fixing plates, which are fixed to the bottom front sides of the left and right bottom sections respectively;

[0021] An electric push rod, which is fixed to the fixing plate on the right side and is connected to an external power supply;

[0022] A protrusion, the protrusion being fixed to the fixed plate on the left side;

[0023] The card frame is clamped on the protrusion and connected to the pushing end of the electric push rod; the left side of the card frame is flush with the left side of the protrusion;

[0024] A clamping assembly, wherein the clamping assembly is arranged on the upper side of the clamping frame;

[0025] Through the above technical solution design, the connection between the left and right bottom sections is made more stable.

[0026] As a further improvement of the present invention, the clamping assembly comprises:

[0027] A support motor is provided at the rear side of the protrusion and fixed to the fixed plate on the left side; the support motor is connected to an external power supply;

[0028] A threaded rod, wherein the threaded rod is fixed to the output shaft of the supporting motor; a threaded sleeve is provided on the threaded rod via a threaded screw-on sleeve;

[0029] A support block is provided on the upper end of the threaded sleeve through a bearing screw connection, and the rear side of the support block is slidably provided in a slide groove provided on the front side of the left bottom section;

[0030] A limit card, which is arranged on the front side of the support block and is fixed on the card frame;

[0031] Through the above technical solution design, the limit card is driven to move until it is clamped on the card frame and the protrusion.

[0032] As a further improvement of the present invention, limit blocks are relatively provided on the left and right sides of the upper side of the limit card, and the limit blocks are respectively provided on the left and right sides of the support block; the locking rod passes through the limit block and the support block on the left side from left to right in sequence, and is inserted into the limit block on the right side; and a round table is provided at the left end of the limit rod, and the round table is provided on the left side wall of the limit block on the left side; after the locking screw is rotated through the round table through the thread, it is screwed and inserted into the limit block on the left side;

[0033] Through the above technical solution design, the limit card is installed on the support block.

[0034] After adopting the above structure, the beneficial effects of the present invention are:

[0035] 1. The cooperation between the worm and the worm wheel and the thread drive drives the bottom section to open and close the bottom section;

[0036] 2. Through the clamping fit between the bracket and the protrusion, and the reinforced clamping of the limit card, the two bottom sections are firmly fixed after closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0038] Figure 1 It is a structural schematic diagram of the present invention.

[0039] Figure 2 yes Figure 1 Magnified view of part A.

[0040] Figure 3 yes Figure 2 Enlarged view of part B.

[0041] Figure 4 It is a schematic diagram of the connection structure between the grain retaining door, the bottom section and the lifting assembly in the present invention.

[0042] Figure 5 yes Figure 4 Enlarged view of part C.

[0043] Figure 6It is a schematic diagram of the connection structure between the limit card, the card frame and the protrusion in the present invention.

[0044] Figure 7 It is a schematic diagram of the rear structure of the present invention.

[0045] Description of reference numerals:

[0046] Door frame 1, grain blocking door 2, bottom section 3, guide groove 3-1, slide groove 3-2, handwheel 4, support plate 5, motor 6, lifting assembly 7, worm 7-1, worm wheel 7-2, screw 7-3, threaded tube 7-4, guide rail 7-5, locking assembly 8, fixing plate 8-1, electric push rod 8-2, bump 8-3, bracket 8-4, clamping assembly 9, support motor 9-1, threaded rod 9-2, threaded sleeve 9-3, support block 9-4, limit card 9-5, baffle 10, limit block 11, locking rod 12, round table 13, locking screw 14. DETAILED DESCRIPTION

[0047] The present invention will be further described below with reference to the accompanying drawings. Example 1:

[0048] See also Figure 1-Figure 7 In this embodiment, it comprises a door frame 1, a grain blocking door 2 and a bottom section 3. The door frame 1 is provided in pairs and is arranged opposite to each other on the left and right sides. The rear inner wall of the door frame 1 is hingedly provided with a grain blocking door 2 via a hinge shaft. The front sides of the left and right grain blocking doors 2 are connected by a hand wheel 4. The rear side of the grain blocking door 2 is provided with a bottom section 3. It also comprises:

[0049] Support plates 5, there are two support plates 5, each fixed to the rear side of the grain blocking door 2;

[0050] Motor 6, there are two motors 6, each fixed to the front side of the grain blocking door 2, and the output shaft of the motor 6 passes through the grain blocking door 2 and is arranged on the lower side of the support plate 5; the motor 6 is connected to an external power supply; the specific model of the motor 6 is purchased and installed directly from the market according to actual use requirements;

[0051] Lifting components 7, there are two lifting components 7, which are respectively arranged between the support plate 5 and the bottom section 3;

[0052] A locking assembly 8 is provided at the bottom front side of the connecting ends of the left and right bottom sections 3;

[0053] With the above design, the lifting assembly 7 drives the bottom section 3 to open and close the granary, and the locking assembly 8 reinforces the two closed bottom sections 3. Example 2:

[0054] See also Figure 1-Figure 7, further improved on the basis of Example 1, the lifting component 7 comprises:

[0055] A worm 7-1 is fixed to the rear end of the output shaft of the motor 6;

[0056] The worm wheel 7-2 is meshed with the worm 7-1 and has a support shaft passing through and fixed to the inside of the worm wheel 7-2. The upper end of the support shaft is screwed to the support plate 5 through a bearing.

[0057] Screw rod 7-3, said screw rod 7-3 is fixed to the bottom end of the support shaft;

[0058] The threaded tube 7-4 is sleeved on the screw rod 7-3 through a threaded connection, and the bottom end of the threaded tube 7-4 is screwed on the bottom section 3 through a bearing;

[0059] Guide rails 7-5, there are several guide rails 7-5, which are evenly spaced and fixed on the rear side of the grain blocking door 2, and the bottom section 3 is slidably arranged on the guide rails 7-5 through the guide groove 3-1 opened on the front side thereof;

[0060] A baffle 10 is fixed to the rear bottom of the support plate 5, and the baffle 10 is arranged in contact with the rear side of the bottom section 3 to block the lifting assembly 7;

[0061] With the above design, the worm 7 - 1 drives the worm wheel 7 - 2 to rotate, and the bottom section 3 is moved by the screw drive. Example 3:

[0062] See also Figure 1-Figure 7 , further improved on the basis of Example 1, the locking assembly 8 comprises:

[0063] There are two fixing plates 8-1, which are fixed to the bottom front sides of the left and right bottom sections 3 respectively;

[0064] Electric push rod 8-2, the electric push rod 8-2 is fixed on the fixed plate 8-1 on the right side, and the electric push rod 8-2 is connected to an external power supply; the specific use model of the electric push rod 8-2 is directly purchased and installed from the market according to actual use requirements;

[0065] A protrusion 8-3, wherein the protrusion 8-3 is fixed to the fixed plate 8-1 on the left side;

[0066] The card frame 8-4 is clamped on the protrusion 8-3, and the card frame 8-4 is connected to the pushing end of the electric push rod 8-2; the left side of the card frame 8-4 is flush with the left side of the protrusion 8-3;

[0067] The clamping assembly 9 is provided on the upper side of the clamping frame 8-4; the clamping assembly 9 comprises:

[0068] Support motor 9-1, said support motor 9-1 is arranged on the rear side of the protrusion 8-3, and the support motor 9-1 is fixed to the left fixed plate 8-1; the support motor 9-1 is connected to an external power supply; the specific model of the support motor 9-1 is directly purchased and installed from the market according to actual use requirements;

[0069] A threaded rod 9-2, wherein the threaded rod 9-2 is fixed to the output shaft of the supporting motor 9-1; a threaded sleeve 9-3 is provided on the threaded rod 9-2 through a threaded connection sleeve;

[0070] Support block 9-4, the support block 9-4 is provided on the upper end of the threaded sleeve 9-3 through a bearing screw connection, and the rear side of the support block 9-4 is slidably provided in the slide groove 3-2 opened on the front side of the left bottom section 3;

[0071] Limiting card 9-5, the limiting card 9-5 is arranged on the front side of the support block 9-4, and the limiting card 9-5 is clamped on the card frame 8-4;

[0072] The upper side of the limit card 9-5 is relatively provided with limit blocks 11, and the limit blocks 11 are respectively contacted with the left and right sides of the support block 9-4; the locking rod 12 passes through the limit block 11 and the support block 9-4 on the left side from left to right, and is inserted into the limit block 11 on the right side; and a round table 13 is provided at the left end of the limit rod, and the round table 13 is contacted with the left side wall of the limit block 11 on the left side; the locking screw 14 is screwed through the round table 13 and is screwed into the limit block 11 on the left side.

[0073] The above design solution makes the connection between the left and right bottom sections 3 more stable.

[0074] When using the present invention, when the granary needs to discharge grain, the support motor 9-1 is first started, so that the corresponding thread drive drives the support block 9-4 upward, so that the limit card 9-5 is upwardly separated from the card frame 8-4, and then the electric push rod 8-2 is started to move the card frame 8-4 to the right, so that the card frame 8-4 is separated from the protrusion 8-3; the motors 6 on both sides are started to rotate and engage with the worm 7-1 to drive the worm wheel 7-2 to rotate, so that the screw rod 7-3 drives the threaded tube 7-4 to rotate and move, and drives the bottom section 3. The bottom section 3 is lifted upward along the guide rail 7-5 to the open state. When the grain in the granary is discharged to the bottom of the grain blocking door 2, the locking handwheel 4 is released to open the grain blocking door 2;

[0075] When the granary needs to be fed with grain, the motor 6 rotates in the reverse direction, causing the bottom section 3 to move downward along the guide rail 7-5 to the closed state, and the locking handwheel 4 is rotated to the locked state; then, the bracket 8-4 is pushed to move to the left until it is clamped on the protrusion 8-3, and the support motor 9-1 is started to rotate in the reverse direction, so that the support block 9-4 drives the limit card 9-5 to clamp downward on the bracket 8-4 and the protrusion 8-3, making the two bottom sections 3 more stable.

[0076] After adopting the above structure, the beneficial effects of this specific embodiment are:

[0077] 1. The worm 7-1 cooperates with the worm wheel 7-2 and the screw drive to drive the bottom section 3 to open and close the bottom section 3;

[0078] 2. Through the clamping fit between the clamping frame 8-4 and the protrusion 8-3, and the reinforced clamping of the limit clamp 9-5, the two bottom sections 3 are firmly secured after closing.

[0079] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A grain-blocking door structure for a granary, comprising a door frame (1), a grain-blocking door (2) and a bottom section (3), wherein the door frame (1) is provided in two pieces and is arranged opposite to each other on the left and right sides, the grain-blocking door (2) is hingedly provided on the inner wall of the rear side of the door frame (1) via a hinge shaft, the front sides of the left and right grain-blocking doors (2) are connected via a hand wheel (4), and the bottom section (3) is provided on the rear side of the grain-blocking door (2); the structure is characterized in that: It also contains: Support plates (5), there are two support plates (5), each fixed to the rear side of the grain blocking door (2); Motor (6), wherein the motor (6) is two and is fixed to the front side of the grain blocking door (2), and the output shaft of the motor (6) passes through the grain blocking door (2) and is arranged on the lower side of the support plate (5); the motor (6) is connected to an external power supply; Lifting components (7), there are two lifting components (7), which are respectively arranged between the support plate (5) and the bottom section (3); A locking assembly (8), wherein the locking assembly (8) is arranged at the bottom front side of the connection ends of the left and right bottom sections (3); the locking assembly (8) comprises: Two fixing plates (8-1) are provided, each fixed to the bottom front side of the left and right bottom sections (3); An electric push rod (8-2), wherein the electric push rod (8-2) is fixed to the fixing plate (8-1) on the right side, and the electric push rod (8-2) is connected to an external power supply; A convex block (8-3), wherein the convex block (8-3) is fixed on the fixed plate (8-1) on the left side; A card frame (8-4), wherein the card frame (8-4) is clamped on the protrusion (8-3), and the card frame (8-4) is connected to the pushing end of the electric push rod (8-2); the left side of the card frame (8-4) is flush with the left side of the protrusion (8-3); A clamping assembly (9), wherein the clamping assembly (9) is arranged on the upper side of the clamping frame (8-4); the clamping assembly (9) comprises: A support motor (9-1), wherein the support motor (9-1) is arranged on the rear side of the protrusion (8-3), and the support motor (9-1) is fixed to the left fixing plate (8-1); the support motor (9-1) is connected to an external power supply; A threaded rod (9-2), wherein the threaded rod (9-2) is fixed to the output shaft of the supporting motor (9-1); a threaded sleeve (9-3) is provided on the threaded rod (9-2) via a threaded sleeve; A support block (9-4), wherein the support block (9-4) is arranged on the upper end of the threaded sleeve (9-3) through a bearing screw connection, and the rear side of the support block (9-4) is slidably arranged in a sliding groove (3-2) opened on the front side of the left bottom section (3); A limit card (9-5), wherein the limit card (9-5) is arranged on the front side of the support block (9-4), and the limit card (9-5) is clamped on the card frame (8-4); limit blocks (11) are relatively arranged on the left and right sides of the upper side of the limit card (9-5), and the limit blocks (11) are respectively contacted and arranged on the left and right sides of the support block (9-4); the locking rod (12) passes through the limit block (11) and the support block (9-4) on the left side from left to right, and is inserted into the limit block (11) on the right side; and a round table (13) is provided at the left end of the limit rod, and the round table (13) is contacted and arranged on the left side wall of the limit block (11) on the left side; the locking screw (14) is screwed through the round table (13) through a thread, and is screwed and inserted into the limit block (11) on the left side.

2. The grain-blocking door structure of a granary according to claim 1, characterized in that: The lifting assembly (7) comprises: A worm (7-1), wherein the worm (7-1) is fixed to the rear end of the output shaft of the motor (6); A worm wheel (7-2) is meshed with and arranged on one side of the worm (7-1), and a support shaft is passed through and fixed to the interior of the worm wheel (7-2), and the upper end of the support shaft is screwed to and arranged in the support plate (5) through a bearing; A screw rod (7-3), wherein the screw rod (7-3) is fixed to the bottom end of the support shaft; A threaded tube (7-4), wherein the threaded tube (7-4) is sleeved on the screw rod (7-3) through a threaded connection, and the bottom end of the threaded tube (7-4) is screwed on the bottom section (3) through a bearing; The guide rails (7-5) are multiple and are fixed at equal intervals on the rear side of the grain blocking door (2), and the bottom section (3) is slidably arranged on the guide rails (7-5) via a guide groove (3-1) provided on the front side thereof.

3. The grain-blocking door structure of a granary according to claim 1, characterized in that: A baffle (10) is fixed to the rear bottom of the support plate (5), and the baffle (10) is arranged in contact with the rear side of the bottom section (3).

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