CN112978416B

CN112978416B - Timber discharge devices

Info

Publication number: CN112978416B
Application number: CN202110132001.1A
Authority: CN
Inventors: 朱石烨
Original assignee: Huangshan Yihua Wood & Bamboo Crafts Co ltd
Current assignee: Huangshan Yihua Wood & Bamboo Crafts Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2022-10-04
Anticipated expiration: 2041-01-30
Also published as: CN112978416A

Abstract

The invention discloses a wood unloading device, which relates to the field of movable dumping, and adopts the technical scheme that the wood unloading device comprises a rack, wherein a plurality of support rods are arranged on the rack, a rotating frame which can carry wood from a high position to a low position and can rotate at a constant speed and an unloading device which is used for rotating the rotating frame at a constant speed and rotating the rotating frame at an angle are arranged on the rack, the unloading device comprises a downward feeding mechanism which rotates the rotating frame according to the weight variation of the rotating frame to enable the wood to fall at a constant speed, the downward feeding mechanism comprises a trigger part which is arranged on the rack and is used for enabling the wood to fall and extrude, and a reverse part which converts the extrusion damping of the trigger part into a reaction force to enable the rotating frame to fall at a reduced speed has the technical effects that the wood unloading is controlled, the falling speed is slow, the safety is realized, and the front and rear woods have gaps, and the woods are not easy to collide.

Description

Timber discharge devices

Technical Field

The invention relates to the field of movable dumping devices, in particular to a timber unloading device.

Background

Wood is one of main materials of various buildings and furniture from ancient times to present, a plurality of different past expression forms appear under the new technical means and the new building thinking, and the demand of the used wood is large along with the continuous development of the society.

Timber has certain length after cutting the delimbing, prevent the natural desiccation simultaneously, directly transport timber to appointed processing factory with the freight train and carry out the post processing after cutting, fresh timber has a large amount of moisture content, the quality is great, current unloading mode is mainly unloaded with artifical discharge and loop wheel machine and is unloaded, the loop wheel machine is huge and expensive because of equipment, the application rate is low, current mainly rely on artifical uninstallation timber, the artifical hang plate that mainly erects behind the freight train, unload through promoting timber, timber falling speed is fast, and is heavy, and is difficult to control the timber motion, it covers danger to have the pressure, extremely dangerous and the easy striking of front and back timber causes timber impaired.

Disclosure of Invention

The invention aims to provide a timber unloading device which has the advantages of controlled timber unloading, slow and safe falling speed, clearance between front timber and rear timber and low possibility of collision.

The technical purpose of the invention is realized by the following technical scheme:

a timber unloading device comprises a stand, wherein a plurality of supporting rods are arranged on the stand, and a rotating frame which is used for conveying timber from a high position to a low position and can rotate at a constant speed and an unloading device used for rotating the rotating frame at a constant speed are arranged on the stand;

the unloading device comprises a downward conveying mechanism which rotates the rotary frame according to the weight variation of the rotary frame so that the wood falls at a constant speed;

the downward feeding mechanism comprises a trigger component arranged on the stand and used for allowing the wood to fall and extrude, and a reverse component which converts the extrusion damping of the trigger component into a reaction force to enable the rotating frame to slow down and fall.

Through adopting above-mentioned technical scheme, the gravity that receives wood is converted into the power that timber gos forward and the gravity that timber received is offset to the resistance that gos forward simultaneously, make timber falling speed reduce, avoid timber whereabouts to cause danger too fast, make the transport safe, timber can directly not land damaged, the uninstallation that timber controlled can not freely roll and cause the pressure to cover danger to the human body, falling speed transportation is suitable, need not the manual work and transport the timber board, timber falls forward one by one, contactless each other, avoid timber to strike damaged mutually.

Further setting: the unloading device also comprises a pressure relief assembly which absorbs the extrusion of the rotating frame through liquid flow so as to reduce the rotating speed.

The pressure relief assembly comprises an induction component and a conversion component, wherein the induction component is arranged on the rotary frame and used for allowing the wood to fall and press down, and the conversion component is used for converting the pressing action of the induction component into liquid flowing power.

Through adopting above-mentioned technical scheme, utilize the liquid flow to absorb the impact force that great timber pushed down, the gravity that the release timber brought makes huge timber decurrent impact force reduce, reduces the reaction force that the timber surface received, reduces the wearing and tearing of timber surface volume and reduces and destroy the uninstallation device.

Further setting: trigger the part including setting up at the range board of pallet downside, the range board slope is arranged, and range board one side is equipped with the backup pad of relative distribution, and the backup pad upside is equipped with spacing tooth, and spacing intertooth intermittent type is arranged, is equipped with the rotation axis in the backup pad, and the rotation axis is connected with backup pad normal running fit, is equipped with the crank on the rotation axis, and crank one end is equipped with the rocker, and the rocker is connected with crank normal running fit, is equipped with on the balancing pole and separates the tooth, separates the intertooth interval distribution in spacing tooth groove.

The reverse part comprises an input belt pulley which is connected with the rotating shaft in a rotating matching mode, an output belt pulley which is connected with the rotating frame in a rotating matching mode is arranged on the rotating frame, and the input belt pulley is connected with the output belt pulley in a rotating matching mode through an input belt.

Through adopting above-mentioned technical scheme, the gravity that receives wood converts the power that the timber fell and the power that a set of timber removed before into, need not the part that the resistance that external force moved forward simultaneously and the gravity that timber received offset, reduces the speed that timber fell, avoids timber striking and impaired and safety.

Further setting: the induction part comprises a partition plate arranged on a rotating frame, the partition plate is circumferentially distributed and arranged on a supporting shaft, the front end of the partition plate is designed in a circular arc shape, a buffer plate is arranged on the partition plate, a buffer cavity is arranged on the lower side of the buffer plate, the buffer plate is connected with the buffer cavity in a sliding mode, and a limiting ring for limiting the amount of movement of the buffer plate is arranged outside the upper side of the buffer cavity.

The conversion assembly comprises a buffer solution arranged in the buffer cavity, the bottom of the buffer cavity is communicated with a circulation hole, a control valve is arranged in the circulation hole, one end of the control valve is communicated with a flow delivery pipe, and the other end of the flow delivery pipe is communicated with the control valve at the bottom of the opposite buffer cavity.

Through adopting above-mentioned technical scheme, utilize circular arc interval structure, make the timber of whereabouts fall one by one, avoid the mutual collision contact of timber, utilize the buffer solution of circulation, make the impact force of great timber whereabouts absorb the release by liquid, unidirectional circulation rotates, makes the buffer solution be in the upper end, reduces the height that timber falls, reduces the speed that timber falls.

Further setting: the pallet both sides are equipped with the bracing piece of symmetry, and the bracing piece upside is equipped with the sill bar, and the sill bar is the symmetric distribution, and the sill bar downside is equipped with the regulation pole, and it has the regulating ring pole to adjust the pole overcoat, adjusts the pole and is connected with regulating ring pole sliding fit, still is equipped with the handling device of intermittent type transport timber and rotatable pay-off seat and rotation pay-off seat angle on the pallet.

The carrying device comprises a rotating assembly for linking the feeding seat to intermittently rotate, an amplifying assembly linked with the motor and a transmission assembly for converting the rotating power of the amplifying assembly into the intermittent rotating power of the rotating assembly.

Through adopting above-mentioned technical scheme, utilize and separate structural design, make the timber of mutual extrusion push up, receive support piece isolation each other, make timber can not collide each other, it is impaired to reduce the timber surface, utilizes cam structure reciprocating motion to make timber receive intermittent type forward power that makes progress, makes timber progressively move forward, and moving speed is suitable, avoids timber landing, makes timber follow eminence translation, and the timber downside has the support, avoids timber to drop and pounces and decreases the holding surface.

Further setting: the rotating assembly includes the pole that bears that the symmetry was arranged on the bracing piece, bear to be equipped with on the pole and hang the pole, hang the pole and be connected with bearing pole normal running fit, it is equipped with the spacing ring to hang the pole both sides, it is connected with spacing ring normal running fit to hang the pole, it is equipped with the initiative cam to hang pole one end, the initiative cam with hang pole fixed connection, be equipped with the space bar between the horizontal pole, it has the driven support bar of symmetry to hang the pole, driven support bar is the same with initiative support bar height, driven support bar downside is equipped with driven cam, driven cam with hang pole fixed connection.

The amplifying assembly comprises a motor of a stand, an output shaft is arranged at one end of the motor, an output gear is arranged on the output shaft and fixedly connected with the output shaft, an intermediate gear is arranged on one side of the output shaft and meshed with the output gear, a transition shaft is arranged on the intermediate gear and is connected with the transition shaft in a rotating matching mode, and a transmission gear capable of rotating coaxially is arranged at one end of the transition shaft.

The transmission assembly comprises a transmission gear, a transmission chain is arranged on the transmission gear, the transmission chain is meshed with the transmission gear, the other end of the transmission chain is connected with an input gear on the suspension rod, the input gear is fixedly connected with the suspension rod, a driving support shaft is arranged at one end of the driving cam, one end of the driving support shaft is connected with the driving cam in a rotating fit mode, the transverse rod is connected with the driving support shaft in a rotating fit mode, and the driving cam is connected with the driven cam in a rotating fit mode through a connecting rod.

Through adopting above-mentioned technical scheme, timber intermittent type arranges, and contactless each other avoids colliding mutually between the timber impaired with the oppression, and timber is difficult for rolling, steadily lays, prevents that timber from dropping and causing danger, and the width of equipment is adjustable, adapts to the freight train of different dimensions, and is little to the freight train requirement, and the suitability is high.

Further setting: the swivel mount still is equipped with the counting mechanism to timber count, and counting mechanism includes swivelling joint in the count needle of swivel mount one side, locates the inside reaction part that supplies timber gravity to push down of swivel mount and pushes down the action with reaction part and convert the conversion part of counting needle rotation action into.

Through adopting above-mentioned technical scheme, with invisible discharge devices inner structure dress change for the operator is visual, can audio-visually know device inner structure, avoids discharge devices inefficacy to cause danger.

Further setting: the reaction part comprises a power shaft arranged in the middle of the flow transmission pipe, an impeller is arranged on the power shaft, the impeller rotates under the flowing of buffer solution, and a spoiler is arranged on the upper side of the impeller.

Through adopting above-mentioned technical scheme, utilize timber whereabouts extrusion buffer solution, the rotatory impeller of flow drive of buffer solution utilizes the rotation of impeller, becomes the pivoted power with the flow of liquid, counts.

Further setting: the conversion component comprises a display gear arranged on one side of the power shaft, a rotating gear is meshed with the display gear, a reference needle is arranged on the display gear, and the reference needle is fixedly connected with the power shaft.

Through adopting above-mentioned technical scheme, utilize the pointer to show the rotatory angular variation of impeller with liquid flow drive, utilize increase turning radius, enlarge tiny angular variation, make the inside change of observation that the operator can be obvious.

Further setting: the display gear is provided with scales distributed circumferentially, and the upper side of the display gear is provided with a transparent observation window.

Through adopting above-mentioned technical scheme, the dress of the interior structure of the unloading device that will not be visual is changed into that the operator is visual, and the device interior structure that can be audio-visual is known, sets up the reference thing, the timber quantity of clear transport that can be obvious.

In conclusion, the invention has the following beneficial effects: the controlled unloading of the wood can not freely roll to cause the danger of pressing and covering the human body, the falling speed is slow, and the ground can not be injured by smashing; the wood plates do not need to be transported manually, the wood plates fall forwards one by one without contacting with each other, so that the wood plates are prevented from being damaged by mutual collision, the gravity borne by the wood plates is converted into the power for advancing the wood plates, the advancing resistance counteracts the gravity borne by the wood plates, and the falling speed of the wood plates is reduced; the invisible condition in the equipment is converted into the condition that an operator can visually observe the inside of the equipment, so that the problem of the equipment is easy to find and early to stop, and the problem of unloading caused by the error of the equipment is avoided; the rolling friction of the wood is converted into static friction, so that the damage to the surface of the wood is reduced, and the quality of the wood is improved.

Drawings

FIG. 1 is a schematic front view of the first preferred embodiment;

FIG. 2 is an enlarged view of the drive assembly in accordance with the first preferred embodiment;

FIG. 3 isbase:Sub>A schematic structural view ofbase:Sub>A section A-A in the first preferred embodiment;

fig. 4 is a schematic structural view of a section B-B in the first preferred embodiment.

In the figure, 100, supporting rods; 101. a bottom bar; 102. adjusting a rod; 103. adjusting the ring rod; 104. round teeth;

200. a bearing rod; 201. a suspension rod; 202. an input gear; 203. a limiting ring; 204. a driving cam; 206. a driving support shaft; 207. a cross bar; 208. a driven support rod; 209. a driven cam; 210. a connecting rod; 211. a partition plate;

300. a motor; 301. an output shaft; 302. an output gear; 303. an intermediate gear; 304. a transition shaft; 305. a transmission gear; 306. a drive chain;

400. a rotating frame; 401. a support shaft; 402. a partition plate; 403. a buffer plate; 404. a buffer chamber; 405. a limiting ring; 406. a buffer solution; 407. a flow-through hole; 408. a control valve; 409. a fluid delivery pipe; 410. an output pulley; 411. a belt groove; 412. an output belt; 413. an input pulley;

500. arranging the plates; 501. a support plate; 502. a limit tooth; 503. a rotating shaft; 504. a crank; 505. a rocker; 506. a balancing pole; 507. separating teeth;

600. a power shaft; 601. an impeller; 602. a spoiler; 603. a rotating gear; 604. a display gear; 605. calibration; 606. a counting needle; 607. an observation window;

700. a stand; 701. a strut;

1. a discharge device; 2. a carrying device;

10. a feeding mechanism; 20. a pressure relief assembly;

11. a trigger member; 12. a reversing member;

21. an inductive component; 22. a conversion component;

30. a rotating assembly; 40. an amplifying assembly; 50. a transfer assembly;

60. a counting mechanism; 61. a reaction member; 62. and a transition member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First preferred embodiment:

a wood unloading device comprises a stand 700, the stand 700 is placed on a wagon, a conveying device 2 for intermittently conveying wood and rotating a feeding seat 220 and rotating the feeding seat 220 is further arranged on the stand 700, and the conveying device 2 comprises a rotating assembly 30 which is linked with the feeding seat 220 and intermittently rotates, an amplifying assembly 40 linked with a motor 300 and a transmission assembly 50 which converts the rotating power of the amplifying assembly 40 into the intermittent rotating power of the rotating assembly 30.

Stand 700 both sides are equipped with bracing piece 100, bracing piece 100 is triangle-shaped and arranges, make stand 700 atress balanced, increase bearing capacity, timber is generally heavier, it is damaged to avoid the damaged timber that makes of stand 700 to fall, bracing piece 100 upside is equipped with sill bar 101, sill bar 101 surface is equipped with bellied round tooth 104, increase timber frictional force, avoid timber to roll, sill bar 101 is the symmetric distribution, make timber atress balanced, it rolls to reduce timber, sill bar 101 downside is equipped with adjusts pole 102, it has regulation ring pole 103 to adjust pole 102 overcoat, it is cavity to adjust ring pole 103, it is connected with regulation ring pole 103 sliding fit to adjust pole 102, adjust according to actual freight train width, accommodation is wide, be equipped with the rotating assembly 30 who makes timber intermittent type translation between the sill bar 101.

The rotating component 30 comprises a bearing rod 200 arranged on the supporting rod 100, the bearing rod 200 is distributed in bilateral symmetry, a suspension rod 201 is arranged on the bearing rod 200, the suspension rod 201 is connected with the bearing rod 200 in a rotating fit manner, an input gear 202 is arranged at one end of the suspension rod 201, the suspension rod 201 inputs power through a transmission component 13, limiting rings 203 are arranged on two sides of the suspension rod 201, the suspension rod 201 is connected with the limiting rings 203 in a rotating fit manner to limit the movement of the suspension rod 201, a driving cam 204 is arranged at one end of the suspension rod 201, the driving cam 204 is fixedly connected with the suspension rod 201, a driving supporting shaft 206 is arranged at one end of the driving cam 204, one end of the driving supporting shaft 206 is connected with the driving cam 204 in a rotating fit manner, a cross rod 207 is arranged on the upper side of the driving supporting rod 100, the length of the cross rod 207 is smaller than that of the bottom rod 101, the cross rod 207 is connected with the driving supporting shaft 206 in a rotating fit manner, a driven supporting rod 208 is arranged at the other end of the cross rod 207, the driven support rod 208 and the driving support rod 100 are the same in height, the cross rod 207 is kept in stress balance, a driven cam 209 is arranged on the lower side of the driven support rod 208, the driven cam 209 is fixedly connected with the suspension rod 201, the driving cam 204 and the driven cam 209 are connected in a rotating fit mode through a connecting rod 210, the cross rod 207 is kept in horizontal rotation, partition plates 211 are arranged between the cross rods 207, the partition plates 211 are driven by a cam to reciprocate up and down, the width of the partition plates 211 is smaller than that of a stand 700, wood is enabled to move forwards intermittently, meanwhile, the previous partition plate 211 limits wood to move the wood, when the telecentric circle of the driving cam 204 moves to the horizontal line, the cross rod 207 collides with the bottom of the wood, when the telecentric circle of the driving cam 204 rotates upwards, the wood is jacked to leave the bottom rod 101, the front and back partition plates 211 limit the wood to shake, and simultaneously, the whole row of wood is driven to move forwards synchronously by the same distance, the woods are not contacted with each other, so that the woods are prevented from being collided and damaged; when the driving cam 204 rotates downwards in a telecentric circle, the bottom of the wood is contacted with the bottom rod 101 so as to be separated from the cross rod 207, and the wood stays on the bottom rod 101 still, and meanwhile, the most front wood exceeds the cross rod 207 and falls under the action of gravity.

As shown in fig. 2, the amplifying assembly 40 includes a motor 300 disposed on a stand 700, the motor 300 inputs power, one end of the motor 300 is provided with an output shaft 301, an output gear 302 is disposed on the output shaft 301, one side of the output shaft 301 is provided with an intermediate gear 303, the intermediate gear 303 is meshed with the output gear 302, the number of teeth of the output gear 302 is half of that of the intermediate gear 303, so that the output speed is reduced by half, the intermediate gear 303 is provided with a transition shaft 304, the intermediate gear 303 is connected with the transition shaft in a rotating fit manner, one side of the intermediate gear 303 is provided with a transmission gear 305, the transmission gear 305 inputs power, the transmission gear 305 is provided with a transmission assembly 50, the transmission assembly 50 includes the transmission gear 305 provided with a transmission chain 306, the transmission chain 306 is meshed with a driven gear to transmit power, the other end of the transmission chain 306 is fixedly connected with an input gear 202 on a suspension rod 201, the input gear 202 is fixedly connected with the suspension rod 201, and drives the suspension rod 201 to move.

As shown in fig. 3, a rotating rack 400 which transports wood from a high position to a low position and can rotate at a constant speed and a discharge device 1 which is used for rotating the rotating rack 400 at a constant angle are further arranged on the stand 700, the discharge device 1 comprises a feeding mechanism 10 which rotates the rotating rack 400 according to the weight variation of the rotating rack 400 so that the wood falls at a constant speed, the feeding mechanism 10 comprises a trigger member 11 which is arranged on the stand 700 and used for allowing the wood to fall and extrude, and a reversing member 12 which converts the extrusion damping of the trigger member 11 into a reaction force to make the rotating rack 400 fall at a reduced speed.

The reversing component 12 comprises an input pulley 413 connected with a rotating shaft 503 in a rotating matching manner, an output pulley 410 connected with a rotating matching manner is arranged on the rotating frame 400, and the input pulley 413 is connected with the output pulley 410 in a rotating matching manner through an input belt 412.

As shown in fig. 4, the triggering component 11 includes an arrangement plate 500 disposed at the lower side of the bottom rod 101, the arrangement plate 500 is arranged in an inclined manner, a support plate 501 is disposed at one side of the arrangement plate 500, a limit tooth 502 is disposed at the upper side of the support plate 501, the limit teeth 502 are arranged intermittently, so that the wood is arranged in a staggered manner, a rotation shaft 503 is disposed on the support plate 501, the rotation shaft 503 is connected with the support plate 501 in a rotating fit manner, a crank 504 is disposed on the rotation shaft 503, an input pulley 413 is disposed at one end of the rotation shaft 503, the input pulley 413 is connected with an output pulley 410 through an input belt to input power, a rocker 505 is disposed at one end of the crank 504, the rocker 505 is connected with the crank 504 in a rotating fit manner, a balance rod 506 is disposed at one end of the rocker 505, a spacing tooth 507 is disposed on the balance rod 506, the spacing tooth 507 is disposed at a groove of the limit tooth 502 at intervals, the upper end of the spacing tooth 507 is arc-shaped, so that the wood is stably stored on the spacing tooth 507, when the power source drives the rocker 504 to rotate, the wood is carried by the rocker 504, the wood is moved forward and the wood is stopped on the support plate 501 by the support plate, so that the wood is moved forward smoothly, and the wood 501, so that the wood 501 moves intermittently.

As shown in fig. 3, the unloading device 1 further comprises a pressure relief assembly 20 for absorbing the pressure of the rotating rack 400 by the liquid flow to reduce the rotating speed, wherein the pressure relief assembly 20 comprises a sensing member 21 disposed on the rotating rack 400 for allowing the wood to fall and press down and a converting member 22 for converting the pressing-down action of the sensing member 21 into the liquid flow power.

Sensing part 21 is including setting up swivel mount 400 at the bottom plate downside, be equipped with back shaft 401 in the middle of swivel mount 400, swivel mount 400 and back shaft 401 normal running fit, be equipped with division board 402 on swivel mount 400, division board 402 is circumference distribution range on back shaft 401, division board 402 front end is the circular arc design, it is spacing to wood has, prevent that timber from getting into too big bounce-back of speed and timber when slowing down to the output, be equipped with buffer board 403 on the division board 402, buffer board 403 downside is equipped with cushion chamber 404, buffer board 403 and cushion chamber 404 sliding connection, there is spacing collar 405 outside the buffer chamber 404 upside, spacing collar 405 restriction buffer board 403 ascending maximum movement volume, prevent the device inefficacy.

The conversion component 22 comprises a buffer chamber 404, a buffer 406 is arranged in the buffer chamber 404, the buffer 406 absorbs the falling impact force of the wood to prevent the wood with huge weight from directly impacting a buffer plate 403, a flow hole 407 is arranged at the bottom of the buffer chamber 404, a control valve 408 is arranged in the flow hole 407, the control valve 408 controls the flow of the buffer 406, a flow pipe 409 is arranged at one end of the control valve 408, and the other end of the flow pipe 409 is communicated with the control valve 408 at the bottom of the opposite buffer chamber 404.

As shown in fig. 3, the rotary rack 400 is further provided with a counting mechanism 60 for counting the wood, and the counting mechanism 60 includes a counting pin 606 rotatably connected to one side of the rotary rack 400, a reaction member 61 provided inside the rotary rack 400 for the wood to be pushed down by gravity, and a conversion member 62 for converting the pushing down operation of the reaction member 61 into the rotating operation of the counting pin 606.

The reaction part 61 comprises a power shaft 600 arranged in the middle of a flow transmission pipe 409, an impeller 601 is arranged on the power shaft 600, the impeller 601 rotates under the flowing of a buffer solution 406, a flow blocking plate 602 is arranged on the upper side of the impeller 601, the flow blocking plate 602 limits the flowing out of the buffer solution 406, the power shaft 600 is connected with the flow blocking plate 602 in a rotating matching mode, a rotating gear 603 is arranged at one end of the flow blocking plate 602, and the rotating gear 603 is fixedly connected with the power shaft 600.

The conversion component 62 comprises a display gear 604 arranged on one side of a rotation gear 603, the rotation gear 603 is meshed with the display gear 604, scales 605 distributed circumferentially are arranged on the display gear 604, a counting needle 606 is arranged on the display gear 604, the counting needle 606 is fixedly connected with a spoiler 602, a transparent observation window 607 is arranged on the upper side of the display gear 604, and the buffer solution 406 in the buffer chamber 404 can be changed into a visible state by observing the positions of the display gear 604 and the counting needle 606, so that the buffer solution 406 in the buffer chamber 404 can be clearly known to change relative to the buffer solution 406.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a timber discharge devices, includes stand (700), be equipped with a plurality of branches (701) on stand (700), its characterized in that: the stand (700) is provided with a rotating frame (400) which can carry the wood from a high position to a low position and can rotate at a constant speed, and a discharging device (1) which is used for rotating the rotating frame (400) at a constant speed;

the unloading device (1) comprises a downward conveying mechanism (10) which rotates the rotating frame (400) according to the weight change of the rotating frame (400) so that the wood falls at a constant speed;

the downward feeding mechanism (10) comprises a trigger component (11) which is arranged on the stand (700) and used for allowing the wood to fall and extrude, and a reverse component (12) which converts the extrusion damping of the trigger component (11) into a reaction force and enables the rotating frame (400) to slow down and fall;

the trigger component (11) comprises an arrangement plate (500) arranged on the lower side of a stand (700), the arrangement plate (500) is obliquely arranged, a support plate (501) which is distributed oppositely is arranged on one side of the arrangement plate (500), a limit tooth (502) is arranged on the upper side of the support plate (501), the limit tooth (502) is intermittently arranged, a rotating shaft (503) is arranged on the support plate (501), the rotating shaft (503) is connected with the support plate (501) in a rotating matching manner, a crank (504) is arranged on the rotating shaft (503), a rocker (505) is arranged at one end of the crank (504), the rocker (505) is connected with the crank (504) in a rotating matching manner, a spacing tooth (507) is arranged on the balance rod (506), and the spacing teeth (507) are distributed at the groove of the limit tooth (502) at intervals;

the reversing component (12) comprises an input belt pulley (413) which is connected with a rotating shaft (503) in a rotating matching mode, an output belt pulley (410) which is connected with the rotating frame (400) in a rotating matching mode is arranged on the rotating frame, and the input belt pulley (413) is connected with the output belt pulley (410) in a rotating matching mode through an input belt (412);

the unloading device (1) further comprises a pressure relief assembly (20) which is squeezed by the liquid flow absorption rotating frame (400) so as to reduce the rotating speed;

the pressure relief assembly (20) comprises a sensing part (21) which is arranged on the rotating frame (400) and used for allowing the wood to fall and press down and a conversion part (22) for converting the pressing action of the sensing part (21) into liquid flowing power; the induction part (21) comprises a rotating frame (400), wherein a partition plate (402) is arranged on the rotating frame (400), the partition plate (402) is circumferentially distributed and arranged on a support shaft (401), the front end of the partition plate (402) is designed to be a circular arc, a buffer plate (403) is arranged on the partition plate (402), a buffer cavity (404) is arranged on the lower side of the buffer plate (403), the buffer plate (403) is in sliding connection with the buffer cavity (404), and a limiting ring (405) for limiting the movement amount of the buffer plate (403) is arranged outside the upper side of the buffer cavity (404);

the conversion component (22) comprises a buffer solution (406) arranged in a buffer cavity (404), a circulation hole (407) is formed in the bottom of the buffer cavity (404) in a communicating mode, a control valve (408) is arranged in the circulation hole (407), one end of the control valve (408) is communicated with a flow pipe (409), and the other end of the flow pipe (409) is communicated with the control valve (408) at the bottom of the buffer cavity (404).

2. A wood unloading device according to claim 1, wherein: the wood-conveying device is characterized in that symmetrical support rods (100) are arranged on two sides of the stand (700), bottom rods (101) are arranged on the upper sides of the support rods (100), the bottom rods (101) are symmetrically distributed, adjusting rods (102) are arranged on the lower sides of the bottom rods (101), adjusting ring rods (103) are sleeved outside the adjusting rods (102), the adjusting rods (102) are connected with the adjusting ring rods (103) in a sliding fit mode, and a conveying device (2) for intermittently conveying wood and capable of rotating a conveying seat (220) and rotating the conveying seat (220) in an angle mode is further arranged on the stand (700);

the carrying device (2) comprises a rotating assembly (30) which is linked with the feeding seat (220) and intermittently rotates, an amplifying assembly (40) which is linked with a motor, and a transmission assembly (50) which converts the rotating power of the amplifying assembly (40) into the intermittent rotating power of the rotating assembly (30).

3. A timber discharge apparatus as claimed in claim 2, wherein: the rotating assembly (30) comprises bearing rods (200) symmetrically arranged on a supporting rod (100), a suspension rod (201) is arranged on the bearing rods (200), the suspension rod (201) is connected with the bearing rods (200) in a rotating fit mode, limiting rings (203) are arranged on two sides of the suspension rod (201), the suspension rod (201) is connected with the limiting rings (203) in a rotating fit mode, a driving cam (204) is arranged at one end of the suspension rod (201), the driving cam (204) is fixedly connected with the suspension rod (201), a spacing plate (211) is arranged between the cross rods (207), symmetrical driven supporting rods (208) are arranged below the suspension rod (201), the heights of the driven supporting rods (208) are the same as those of the supporting rod (100), a driven cam (209) is arranged on the lower side of the driven supporting rods (208), and the driven cam (209) is fixedly connected with the suspension rod (201);

the amplifying assembly (40) comprises a motor (300) of a stand (700), an output shaft (301) is arranged at one end of the motor (300), an output gear (302) is arranged on the output shaft (301), the output gear (302) is fixedly connected with the output shaft (301), an intermediate gear (303) is arranged on one side of the output shaft (301), the intermediate gear (303) is meshed with the output gear (302), a transition shaft (304) is arranged on the intermediate gear (303), the intermediate gear (303) is connected with the transition shaft (304) in a rotating fit mode, and a transmission gear (307) which rotates coaxially is arranged at one end of the transition shaft (304);

the transmission assembly (50) comprises a transmission gear (307), a transmission chain (306) is arranged on the transmission gear (307), the transmission chain (306) is meshed with the transmission gear (307), the other end of the transmission chain (306) is connected with an input gear (305) on the suspension rod (201), the input gear (305) is fixedly connected with the suspension rod (201), a driving support shaft (206) is arranged at one end of the driving cam (204), one end of the driving support shaft (206) is connected with the driving cam (204) in a rotating fit mode, the cross rod (207) is connected with the driving support shaft (206) in a rotating fit mode, and the driving cam (204) is connected with the driven cam (209) in a rotating fit mode through a connecting rod (210).

4. A timber discharge apparatus as claimed in claim 1 wherein: the rotary frame (400) is further provided with a counting mechanism (60) for counting the wood, and the counting mechanism (60) comprises a counting needle (606) rotatably connected to one side of the rotary frame (400), a reaction component (61) arranged in the rotary frame (400) and used for enabling the wood to be pressed downwards by gravity, and a conversion component (62) for converting the pressing action of the reaction component (61) into the rotating action of the counting needle (606).

5. A timber discharge apparatus as claimed in claim 4, wherein: the reaction part (61) comprises a flow transmission pipe (409), a power shaft (600) is arranged in the middle of the flow transmission pipe (409), an impeller (601) is arranged on the power shaft (600), the impeller (601) rotates under the flowing of a buffer solution (406), and a flow blocking plate (602) is arranged on the upper side of the impeller (601).

6. A timber discharge apparatus as claimed in claim 4, wherein: the conversion component (62) comprises a power shaft (600), a display gear (604) is arranged on one side of the power shaft, a rotating gear (603) is meshed with the display gear (604), a counting needle (606) is arranged on the display gear (604), and the counting needle (606) is fixedly connected with the power shaft (600).

7. A timber discharge apparatus as claimed in claim 6, wherein: scales (605) distributed circumferentially are arranged on the display gear (604), and a transparent observation window (607) is arranged on the upper side of the display gear (604).