CN115675689B - Anticreep traction type AGV dolly - Google Patents
Anticreep traction type AGV dolly Download PDFInfo
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- CN115675689B CN115675689B CN202211674681.0A CN202211674681A CN115675689B CN 115675689 B CN115675689 B CN 115675689B CN 202211674681 A CN202211674681 A CN 202211674681A CN 115675689 B CN115675689 B CN 115675689B
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Abstract
The application relates to the field of transport machinery, in particular to an anti-drop traction type AGV trolley, which comprises a frame and a traction device; the traction device comprises a traction pin and an anti-falling assembly; the traction pin is fixedly arranged on the frame; the anti-drop assembly comprises a first mounting seat and limiting blocks, the first mounting seat is fixedly arranged on the traction pin, the limiting blocks are provided with a plurality of limiting blocks, the limiting blocks are hinged on the first mounting seat through torsion springs, the limiting blocks are symmetrically arranged around the center of the axis of the first mounting seat, the traction device further comprises a first buffer assembly, and the first buffer assembly comprises a bearing seat and a first elastic piece; the bearing bracket is slidably arranged on the traction pin; two ends of the first elastic piece are respectively and fixedly connected with the frame and the bearing seat. According to the application, the function of preventing the pulling rod from separating from the pulling pin is realized through the traction device, the effect of protecting the transported materials in the cargo bucket is achieved, the defect that the pulling rod still falls off from the pulling pin when the AGV trolley jolts seriously is overcome, and the protection force of the pulling rod is effectively improved.
Description
Technical Field
The application relates to the field of transport machinery, in particular to an anti-drop traction type AGV.
Background
An unmanned carrier, abbreviated as AGV, is a carrier equipped with an automatic guiding device such as electromagnetic or optical, capable of traveling along a predetermined guiding path one by one, and having safety protection and various transfer functions. The automatic guiding device such as electromagnetic or optical is equipped, the vehicle can travel along a specified guiding path, has safety protection and various transfer functions, and does not need a driver's vehicle in industrial application, and a rechargeable storage battery is used as a power source. Generally, the traveling route and behavior of the vehicle can be controlled by a computer, or the traveling route can be established by using an electromagnetic track, which is stuck on the floor, and the vehicle can move and act according to the information brought by the electromagnetic track. The AGV dolly is connected and is used for carrying the skip of goods through pulling the trailer, but when AGV dolly or skip appear shaking by a wide margin, pull the trailer and can break away from, cause AGV dolly and skip to break away from.
For this reason, chinese patent application CN109533679a discloses AGV draw gear and AGV dolly, and when AGV dolly or skip shake, it can prevent to pull and break away from the towing pin through the barrier effect of anticreep piece to can guarantee that the AGV dolly effectively pulls the skip.
However, when the road surface environment is poor or the obstacles are more, jolting is serious, and the trailer rod still falls off from the traction pin, so that material transportation fails.
Disclosure of Invention
According to the anti-drop traction type AGV trolley, the defect that a traction rod still drops from a traction pin when a traditional AGV trolley jolts seriously is overcome through the frame and the traction device.
In order to solve the problems in the prior art, the application adopts the following technical scheme:
an anti-drop traction type AGV trolley comprises a frame and a traction device; the traction device comprises a traction pin and an anti-falling assembly; the traction pin is fixedly arranged on the frame; the anti-drop subassembly includes first mount pad and stopper, and first mount pad fixed mounting is on the traction pin, and the stopper is equipped with a plurality ofly, and the stopper passes through the torsional spring and articulates on first mount pad, and a plurality of stoppers set up about the axis central symmetry of first mount pad.
Preferably, the traction device further comprises a first cushioning assembly comprising a socket and a first resilient member; the bearing bracket is slidably arranged on the traction pin; two ends of the first elastic piece are respectively and fixedly connected with the frame and the bearing seat.
Preferably, the traction device further comprises a limiting device, wherein the first mounting seat is slidably mounted in the traction pin, the limiting device comprises an adjusting assembly, and the adjusting assembly comprises a support column, an arc-shaped clamping block and a second elastic piece; the traction pins are fixedly provided with a plurality of first sliding rails, and the first sliding rails are in one-to-one correspondence with the limiting blocks; the support is fixedly arranged on the frame, and the axis of the support is collinear with the axis of the traction pin; the arc-shaped clamping blocks and the second elastic pieces are provided with a plurality of elastic pieces and correspond to the first sliding rails one by one, and the arc-shaped clamping blocks are slidably arranged on the first mounting seats; two ends of the second elastic piece are fixedly connected with the arc-shaped clamping block and the first mounting seat respectively; a plurality of grooves matched with the arc-shaped clamping blocks are formed in the support posts, and the grooves are distributed on the support posts in an array mode.
Preferably, the device further comprises a control device, wherein the control device comprises a filling assembly and a rotary driving assembly; the filling assembly comprises a third mounting seat, a main shaft and a synchronous disc; the plurality of third installation seats are arranged, the third installation seats are fixedly installed on the support posts, and the third installation seats are provided with a plurality of first guide rails; the main shaft is rotatably arranged on the frame, and the axis of the main shaft is collinear with the axis of the traction pin; the synchronous disc is fixedly sleeved on the main shaft, and a plurality of arc-shaped second guide rails are arranged on the synchronous disc and correspond to the first guide rails one by one; each second guide rail is provided with a sliding block in a sliding manner, and the sliding blocks are in sliding fit with the first guide rails; the sliding block is fixedly provided with a filling block which is in sliding fit with the groove; the rotary driving assembly is fixedly arranged on the frame, and the driving end of the rotary driving assembly is in transmission connection with the main shaft.
Preferably, the limiting device further comprises a locking assembly, wherein the locking assembly comprises a second mounting seat, a third elastic piece and a handle; the second mounting seat is fixedly arranged on the traction pin; a plurality of locking claws are fixedly arranged on the second mounting seat, and the locking claws are symmetrically arranged about the center of the axis of the second mounting seat; the two ends of the third elastic piece are fixedly connected with the locking claws and the traction pins respectively; the handle is fixedly arranged on the second mounting seat; a plurality of lock catches matched with the lock claws are fixedly arranged on the first mounting seat.
Preferably, the device further comprises a protection device, wherein the protection device comprises a second buffer assembly, and the second buffer assembly comprises a second sliding rail, a first pressure sensor, a fourth mounting seat and a fourth elastic piece; the second sliding rail is fixedly arranged on the frame; the first pressure sensor is fixedly arranged on the second sliding rail; the fourth installation seat is slidably installed on the second sliding rail, and the traction pin and the adjusting component are fixedly installed on the fourth installation seat; the plurality of second sliding rails are respectively arranged at the two ends of the fourth installation seat; and two ends of the fourth elastic piece are fixedly connected with the second sliding rail and the fourth mounting seat respectively.
Preferably, the rotary driving assembly comprises a mounting plate, a rack, a first rotary shaft and a rotary gear; the mounting plate, the rack, the first rotating shaft and the rotating gear are all provided with two; the mounting plate is fixedly arranged at the bottom of the frame; the two racks are respectively and fixedly arranged on the two mounting plates; the first rotating shaft is rotatably arranged on the fourth mounting seat; the two rotary gears are fixedly sleeved on the two first rotary shafts respectively, and the rotary gears are in transmission connection with the racks in a separable manner; the control device also comprises a transmission assembly, and two ends of the transmission assembly are respectively connected with the first rotating shaft and the main shaft in a transmission way.
Preferably, the transmission assembly comprises a worm gear, a worm, a second rotating shaft, a first bevel gear, a second bevel gear and a third bevel gear, wherein the first bevel gear, the second bevel gear and the third bevel gear are respectively provided with two gears; the worm wheel is fixedly sleeved on the main shaft; the worm is rotatably arranged on the fourth mounting seat and is in transmission connection with the worm wheel; the second rotating shaft is rotatably arranged on the fourth mounting seat; the two first bevel gears are fixedly sleeved on the worm and one of the first rotating shafts respectively, and the two first bevel gears are in meshed connection; the two second bevel gears are fixedly sleeved on the worm and the second rotating shaft respectively, and the two second bevel gear wheels are in meshed connection; the two third bevel gears are fixedly sleeved on the second rotating shaft and the other first rotating shaft respectively, and the two third bevel gear teeth are in meshed connection.
Preferably, the rotary gear is rotatably mounted on the first rotary shaft; the control device also comprises two unidirectional driving components, wherein each unidirectional driving component comprises a ratchet gear and a stop pawl; the ratchet gear is fixedly sleeved on the first rotating shaft; the stop pawl is fixedly arranged on the rotary gear, and the ratchet gear is in unidirectional transmission connection with the stop pawl.
Preferably, the protection device further comprises two anti-collision assemblies, and the two anti-collision assemblies are respectively positioned at the front end and the rear end of the frame; the anti-collision assembly comprises a second pressure sensor, a fifth elastic piece and a guardrail; the second pressure sensor is fixedly arranged on the frame; two ends of the fifth elastic piece are fixedly connected with the second pressure sensor and the guardrail respectively.
Compared with the prior art, the application has the beneficial effects that:
1. according to the application, the function of preventing the pulling rod from being separated from the traction pin is realized through the frame and the traction device, the effect of protecting the transported materials in the cargo bucket is achieved, the defect that the pulling rod still falls off from the traction pin when the traditional AGV trolley is severely jolt is overcome, and the protection force of the pulling rod is effectively improved; firstly loading materials into a cargo bucket, sleeving a pull rod fixedly mounted on the cargo bucket on a traction pin, enabling a torsion spring to rotate when the pull rod passes through a limiting block, enabling the limiting block to rotate, enabling the pull rod to pass through the limiting block smoothly, sleeving the pull rod on the traction pin, and enabling the limiting block to return to the original position under the elastic action of the torsion spring when the pull rod completely passes through the limiting block; in the transportation, the dolly takes place to jolt for the trailer hitch is slided on the traction pin, and after trailer contacted with the stopper, the stopper received the spacing unable upward rotation of first mount pad, thereby effectively avoid the trailer to drop from the traction pin.
2. According to the application, the function of adjusting the position of the first mounting seat is realized through the first sliding rail, the support column, the arc-shaped clamping block, the second elastic piece and the groove, and the effect of automatically increasing the fixing force of the trailer rod along with the jolt degree of the trolley is achieved; firstly completing preparation work of materials, sleeving a pulling rod on a traction pin, then overcoming the elasticity of a first elastic piece to continuously press the pulling rod downwards until the pulling rod passes through a limiting block, then enabling a bearing seat to slide upwards under the action of the elasticity of the first elastic piece, enabling the supporting seat to drive the pulling rod to slide upwards, enabling the pulling rod to be abutted against the limiting block, and reducing shaking of the pulling rod through the support of the bearing seat; in the transportation, the dolly takes place to jolt, and the trailer rod jolts along with the traction pin from top to bottom under jolting, and when the trailer rod moved down, striking support bracket for first elastic component shrink, then first mount pad moves down, in the recess of next row was gone into to arc fixture block card, increased the fixed dynamics to the trailer rod.
3. According to the application, the function of automatically driving the main shaft to rotate according to the acceleration and deceleration conditions of the cargo bucket is realized through the mounting plate, the rack, the first rotating shaft, the rotating gear and the transmission assembly, and the effects of starting, automatically releasing filling and stopping, automatically opening filling are achieved; when the AGV trolley starts, the goods bucket is influenced by inertia, the goods bucket can fall behind the AGV trolley, the fourth installation seat slides along the second sliding rail, when the rotary gear is meshed with the rack, the rack drives the rotary gear to rotate, the rotary gear drives the first rotary shaft to rotate, the first rotary shaft drives the main shaft to rotate through the transmission of the transmission component, the main shaft drives the synchronous disc to rotate, the sliding block is driven to slide along the first guide rail through the cooperation of the second guide rail and the first guide rail along with the rotation of the synchronous disc, the first guide rail drives the filling block to slide towards the axis direction of the main shaft, and the groove is exposed, so that the arc-shaped clamping block can be clamped into the groove; similarly, when the AGV trolley is stopped, the main shaft is driven to rotate through relative movement of the rack and the rotary gear at the other side, so that the filling block fills the groove, and the arc-shaped clamping block is prevented from being clamped into the groove.
Drawings
FIG. 1 is a schematic perspective view of the application after the trailer hitch bar is connected to a cargo bucket;
FIG. 2 is a front view of the traction device of the present application;
FIG. 3 is a schematic perspective view of the traction device of the present application;
FIG. 4 is a schematic perspective view of the traction device of the present application during a downward movement of the anti-slip assembly;
FIG. 5 is an exploded perspective view of the anti-slip assembly of the present application;
FIG. 6 is an enlarged partial schematic view of the present application at A in FIG. 5;
FIG. 7 is a schematic perspective view of a locking assembly of the present application;
FIG. 8 is a schematic perspective view of a filling assembly of the present application;
FIG. 9 is a schematic perspective view of a control device of the present application;
FIG. 10 is a schematic perspective view of the protective device of the present application;
FIG. 11 is a bottom view of the protective device of the present application;
FIG. 12 is a schematic perspective view of a transmission assembly of the present application;
FIG. 13 is a schematic perspective view of a one-way drive assembly of the present application;
fig. 14 is an exploded perspective view of the bumper assembly of the present application.
The reference numerals in the figures are:
1-a frame;
2-traction means; 2 a-a traction pin; 2 b-an anti-slip assembly; 2b 1-a first mount; 2b 2-limiting blocks; 2 c-a first cushioning component; 2c 1-a support bracket; 2c 2-a first elastic member;
3-a limiting device; 3 a-an adjustment assembly; 3a 1-a first slide rail; 3a 2-struts; 3a 3-arc-shaped clamping blocks; 3a 4-a second elastic member; 3a 5-grooves; 3 b-a locking assembly; 3b 1-a second mount; 3b 2-locking claw; 3b 3-a third elastic member; 3b 4-handle; 3b 5-locking;
4-a control device; 4 a-a filling assembly; 4a 1-a third mount; 4a 2-a first rail; 4a 3-spindle; 4a 4-sync disc; 4a 5-a second rail; 4a 6-slide; 4a 7-filling blocks; 4 b-a rotary drive assembly; 4b 1-mounting plate; 4b 2-rack; 4b 3-a first rotation axis; 4b 4-rotating gears; 4 c-a transmission assembly; 4c 1-worm gear; 4c 2-worm; 4c 3-a second rotation axis; 4c 4-first bevel gear; 4c 5-second bevel gear; 4c 6-third bevel gear; 4 d-a unidirectional drive assembly; 4d 1-ratchet gear; 4d 2-stop pawl;
5-a protection device; 5 a-a second cushioning assembly; 5a 1-a second slide rail; 5a 2-a first pressure sensor; 5a 3-fourth mount; 5a 4-fourth elastic members; 5 b-an anti-collision assembly; 5b 1-a second pressure sensor; 5b 2-fifth elastic member; 5d 3-guard rail;
6-a pulling rod;
7-a cargo bucket.
Detailed Description
The application will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the application and the specific objects and functions achieved.
Referring to fig. 1-14: an anti-drop traction type AGV trolley comprises a frame 1 and a traction device 2; the traction device 2 comprises a traction pin 2a and an anti-falling assembly 2b; the traction pin 2a is fixedly arranged on the frame 1; the anti-drop assembly 2b comprises a first installation seat 2b1 and a limiting block 2b2, the first installation seat 2b1 is fixedly installed on the traction pin 2a, the limiting block 2b2 is provided with a plurality of limiting blocks, the limiting block 2b2 is hinged on the first installation seat 2b1 through a torsion spring, and the limiting blocks 2b2 are symmetrically arranged about the axis center of the first installation seat 2b 1.
According to the application, the function of preventing the pulling rod 6 from being separated from the pulling pin 2a is realized through the frame 1 and the pulling device 2, the effect of protecting the transported materials in the cargo hopper 7 is achieved, the defect that the pulling rod 6 still falls off from the pulling pin 2a when the traditional AGV trolley is severely jolted is overcome, and the protection force of the pulling rod 6 is effectively improved; an operator firstly loads materials into a cargo bucket 7, then a pulling rod 6 fixedly installed on the cargo bucket 7 is sleeved on a traction pin 2a, when passing through a limiting block 2b2, the pulling rod 6 can rotate a torsion spring, so that the limiting block 2b2 rotates, the pulling rod 6 smoothly passes through the limiting block 2b2 and is sleeved on the traction pin 2a, and when the pulling rod 6 completely passes through the limiting block 2b2, the limiting block 2b2 returns to the original position under the action of the elasticity of the torsion spring; in the transportation, the dolly takes place to jolt for trailer hitch 6 slides on towing pin 2a, and after trailer hitch 6 contacted stopper 2b2, stopper 2b2 received the spacing unable upward rotation of first mount pad 2b1, thereby effectively avoid trailer hitch 6 to drop from towing pin 2 a.
Referring to fig. 1, 2 and 3: the traction device 2 further comprises a first cushioning assembly 2c, the first cushioning assembly 2c comprising a socket 2c1 and a first elastic member 2c2; the bearing bracket 2c1 is slidably mounted on the traction pin 2 a; the two ends of the first elastic piece 2c2 are respectively fixedly connected with the frame 1 and the bearing seat 2c 1.
According to the application, the function of buffering the impact caused by shaking of the trailer rod 6 while propping the trailer rod 6 is realized through the supporting seat 2c1 and the first elastic piece 2c2, so that the effect of further protecting the materials in the cargo bucket 7 is achieved; the operator completes the preparation work of the materials firstly, the pulling rod 6 is sheathed on the traction pin 2a, then the pulling rod 6 is continuously pressed downwards against the elasticity of the first elastic piece 2c2 until the pulling rod passes through the limiting block 2b2, then the supporting seat 2c1 slides upwards under the action of the elasticity of the first elastic piece 2c2, the supporting seat 2c1 drives the pulling rod 6 to slide upwards, the pulling rod 6 is abutted against the limiting block 2b2, and the shaking of the pulling rod 6 is reduced through the support of the supporting seat 2c 1.
Referring to fig. 1-6: the traction device further comprises a limiting device 3, the first mounting seat 2b1 is slidably mounted in the traction pin 2a, the limiting device 3 comprises an adjusting component 3a, and the adjusting component 3a comprises a support column 3a2, an arc-shaped clamping block 3a3 and a second elastic piece 3a4; a plurality of first sliding rails 3a1 are fixedly arranged on the traction pin 2a, and the first sliding rails 3a1 correspond to the limiting blocks 2b2 one by one; the support column 3a2 is fixedly arranged on the frame 1, and the axis of the support column 3a2 is collinear with the axis of the traction pin 2 a; the arc-shaped clamping blocks 3a3 and the second elastic pieces 3a4 are respectively provided with a plurality of elastic pieces and correspond to the first sliding rails 3a1 one by one, and the arc-shaped clamping blocks 3a3 are slidably arranged on the first mounting seats 2b 1; two ends of the second elastic piece 3a4 are fixedly connected with the arc-shaped clamping block 3a3 and the first mounting seat 2b1 respectively; the support column 3a2 is provided with a plurality of grooves 3a5 matched with the arc-shaped clamping blocks 3a3, and the grooves 3a5 are distributed on the support column 3a2 in an array mode.
According to the application, the function of adjusting the position of the first mounting seat 2b1 is realized through the first sliding rail 3a1, the support column 3a2, the arc-shaped clamping block 3a3, the second elastic piece 3a4 and the groove 3a5, and the effect of automatically increasing the fixing force of the trailer rod 6 along with the jolt degree of the trolley is achieved; firstly, an operator completes preparation work of materials, the pulling rod 6 is sleeved on the traction pin 2a, then the pulling rod 6 is continuously pressed downwards against the elasticity of the first elastic piece 2c2 until the pulling rod passes through the limiting block 2b2, then the supporting seat 2c1 slides upwards under the action of the elasticity of the first elastic piece 2c2, the supporting seat 2c1 drives the pulling rod 6 to slide upwards, the pulling rod 6 is abutted against the limiting block 2b2, and shaking of the pulling rod 6 is reduced through the support of the supporting seat 2c 1; in the transportation process, the trolley jolts, the trailer rod 6 jolts up and down along with the traction pin 2a under jolts, when the trailer rod 6 moves downwards, the trailer rod impacts the bearing seat 2c1, so that the first elastic piece 2c2 contracts, then the first mounting seat 2b1 moves downwards, the arc-shaped clamping block 3a3 is clamped into the groove 3a5 of the next row, and the fixing force on the trailer rod 6 is increased; under the condition that some pavements are stable, an operator can also directly push the first mounting seat 2b1 to the limit position, and the traction rod 6 is kept fixed.
Referring to fig. 1, 2, 3, 4, 7, 8 and 9: further comprises a control device 4, wherein the control device 4 comprises a filling assembly 4a and a rotary driving assembly 4b; the filling assembly 4a comprises a third mounting seat 4a1, a main shaft 4a3 and a synchronous disc 4a4; the third installation seats 4a1 are provided with a plurality of first guide rails 4a2, the third installation seats 4a1 are fixedly installed on the support posts 3a2, and the third installation seats 4a1 are provided with a plurality of first guide rails 4a2; the main shaft 4a3 is rotatably arranged on the frame 1, and the axis of the main shaft 4a3 is collinear with the axis of the traction pin 2 a; the synchronous disc 4a4 is fixedly sleeved on the main shaft 4a3, a plurality of arc-shaped second guide rails 4a5 are arranged on the synchronous disc 4a4, and the second guide rails 4a5 are in one-to-one correspondence with the first guide rails 4a2; each second guide rail 4a5 is provided with a sliding block 4a6 in a sliding manner, and the sliding blocks 4a6 are in sliding fit with the first guide rails 4a2; the sliding block 4a6 is fixedly provided with a filling block 4a7, and the filling block 4a7 is in sliding fit with the groove 3a5; the rotary driving assembly 4b is fixedly arranged on the frame 1, and the driving end of the rotary driving assembly 4b is in transmission connection with the main shaft 4a 3.
According to the application, the function of filling the groove 3a5 is realized through the third mounting seat 4a1, the first guide rail 4a2, the main shaft 4a3, the synchronous disc 4a4, the second guide rail 4a5, the sliding block 4a6, the filling block 4a7 and the rotary driving assembly 4b, and the effect of controlling the arc-shaped clamping block 3a3 to be matched with the groove 3a5 is achieved; the rotary driving assembly 4b is electrically connected with the controller; after the AGV trolley is transported, the AGV trolley is limited by the anti-falling assembly 2b, and an operator can hardly take down the traction rod 6 from the traction pin 2a, so that the filling assembly 4a is arranged; the operator firstly connects the pulling rod 6 on the pulling pin 2a, and then fixes the pulling rod 6 through the first mounting seat 2b 1; after the material transportation is completed, an operator sends a signal to the rotary driving assembly 4b through the controller, the rotary driving assembly 4b receives the signal and then drives the main shaft 4a3 in transmission connection with the driving end of the rotary driving assembly to rotate, the main shaft 4a3 drives the synchronous disc 4a4 to rotate, along with the rotation of the synchronous disc 4a4, the second guide rail 4a5 and the matched driving sliding block 4a6 of the first guide rail 4a2 slide along the first guide rail 4a2, the first guide rail 4a2 drives the filling block 4a7 to slide, after the groove 3a5 is filled with the filling block 4a7, the arc-shaped clamping block 3a3 cannot be clamped into the groove 3a5, so that the first mounting seat 2b1 can slide freely along the traction pin 2a, and the first mounting seat 2b1 slides upwards under the elastic action of the first elastic piece 2c2, so that the operator can smoothly detach the traction rod 6 from the traction pin 2 a.
Referring to fig. 1, 3, 5, 6 and 7: the limiting device 3 further comprises a locking assembly 3b, wherein the locking assembly 3b comprises a second mounting seat 3b1, a third elastic piece 3b3 and a handle 3b4; the second mounting seat 3b1 is fixedly mounted on the traction pin 2 a; the second mounting seat 3b1 is fixedly provided with a plurality of locking claws 3b2, and the locking claws 3b2 are arranged symmetrically about the center of the axis of the second mounting seat 3b 1; the third elastic piece 3b3 is provided with a plurality of locking claws 3b2 in one-to-one correspondence, and two ends of the third elastic piece 3b3 are fixedly connected with the locking claws 3b2 and the traction pin 2a respectively; the handle 3b4 is fixedly arranged on the second mounting seat 3b 1; a plurality of lock catches 3b5 matched with the lock claws 3b2 are fixedly arranged on the first mounting seat 2b 1.
According to the application, the second mounting seat 3b1, the locking claw 3b2, the third elastic piece 3b3, the handle 3b4 and the lock catch 3b5 realize the function of manually locking the position of the first mounting seat 2b1, so that the effect of conveniently sleeving the pulling rod 6 by an operator is achieved; since the first mounting seat 2b1 is slidably mounted on the traction pin 2a, an operator needs to manually hold the first mounting seat 2b1 when the traction rod 6 is sleeved, and the operation is extremely inconvenient, and therefore, the locking assembly 3b is arranged; after the AGV trolley completes material transportation, an operator sends a signal to the rotary driving assembly 4b through the controller, the arc-shaped clamping block 3a3 is loosened to fix the first mounting seat 2b1 through driving of the rotary driving assembly 4b, the first mounting seat 2b1 slides upwards under the elastic action of the first elastic piece 2c2, the lock catch 3b5 and the lock claw 3b2 are extruded along with sliding of the first mounting seat 2b1, the third elastic piece 3b3 contracts under the action of pressure, and the lock claw 3b2 is clamped into the lock catch 3b5; when the operator installs the pulling rod 6, the pulling rod 6 is directly sleeved with the pulling pin 2a, then the handle 3b4 is manually rotated, the locking claw 3b2 and the lock catch 3b5 are separated, and then the pulling rod 6 is fixed through the cooperation of the arc-shaped clamping block 3a3 and the groove 3a5.
Referring to fig. 1, 3, 9 and 10: the device further comprises a protection device 5, wherein the protection device 5 comprises a second buffer assembly 5a, and the second buffer assembly 5a comprises a second sliding rail 5a1, a first pressure sensor 5a2, a fourth mounting seat 5a3 and a fourth elastic piece 5a4; the second sliding rail 5a1 is fixedly arranged on the frame 1; the first pressure sensor 5a2 is fixedly arranged on the second slide rail 5a 1; the fourth mounting seat 5a3 is slidably mounted on the second sliding rail 5a1, and the traction pin 2a and the adjusting component 3a are fixedly mounted on the fourth mounting seat 5a 3; the fourth elastic piece 5a4 is provided with a plurality of second sliding rails 5a1 which are respectively arranged at two ends of the fourth installation seat 5a 3; both ends of the fourth elastic piece 5a4 are fixedly connected with the second sliding rail 5a1 and the fourth installation seat 5a3 respectively.
According to the application, the function of buffering impact on the trailer rod 6 during acceleration and deceleration is realized through the second sliding rail 5a1, the first pressure sensor 5a2, the fourth mounting seat 5a3 and the fourth elastic piece 5a4, so that the effect of further protecting materials in the trailer rod 6 is achieved; the first pressure sensor 5a2 is electrically connected with the controller; when the AGV trolley accelerates and decelerates, the dragging rod 6 has a trend of continuously keeping moving under the action of inertia, at the moment, the fourth elastic piece 5a4 in the corresponding direction is extruded to shrink, and impact of the dragging rod 6 on the AGV trolley is buffered; meanwhile, the stress condition between the pulling rod 6 and the traction pin 2a of the AGV trolley in the moving process can be monitored through the first pressure sensor 5a 2; in the moving process, if the condition that the cargo bucket 7 is blocked, the pulling rod 6 on the cargo bucket 7 is separated and the like occurs, the pressure sensed by the first pressure sensor 5a2 can be changed greatly, and the controller makes corresponding reaction after receiving an abnormal signal fed back by the first pressure sensor 5a2, so that larger loss is avoided.
Referring to fig. 9, 11, 12 and 13: the rotation driving assembly 4b includes a mounting plate 4b1, a rack 4b2, a first rotation shaft 4b3, and a rotation gear 4b4; the mounting plate 4b1, the rack 4b2, the first rotary shaft 4b3 and the rotary gear 4b4 are provided with two; the mounting plate 4b1 is fixedly arranged at the bottom of the frame 1; the two racks 4b2 are respectively fixedly arranged on the two mounting plates 4b 1; the first rotation shaft 4b3 is rotatably mounted on the fourth mount 5a 3; the two rotary gears 4b4 are fixedly sleeved on the two first rotary shafts 4b3 respectively, and the rotary gears 4b4 are in transmission connection with the racks 4b2 in a separable manner; the control device 4 further comprises a transmission assembly 4c, and two ends of the transmission assembly 4c are respectively connected with the first rotating shaft 4b3 and the main shaft 4a3 in a transmission manner.
According to the application, the function of automatically driving the main shaft 4a3 to rotate according to the acceleration and deceleration conditions of the cargo bucket 7 is realized through the mounting plate 4b1, the rack 4b2, the first rotating shaft 4b3, the rotating gear 4b4 and the transmission component 4c, so that the effects of starting, automatically releasing the filling and stopping, automatically opening the filling are achieved; when the AGV trolley starts, due to the influence of inertia, the cargo bucket 7 falls behind the AGV trolley, so that the fourth mounting seat 5a3 slides along the second sliding rail 5a1, when the rotary gear 4b4 is meshed with the rack 4b2, the rack 4b2 drives the rotary gear 4b4 to rotate, the rotary gear 4b4 drives the first rotary shaft 4b3 to rotate, the first rotary shaft 4b3 drives the main shaft 4a3 to rotate through the transmission of the transmission assembly 4c, the main shaft 4a3 drives the synchronous disc 4a4 to rotate, along with the rotation of the synchronous disc 4a4, the slide block 4a6 is driven to slide along the first sliding rail 4a2 through the cooperation of the second sliding rail 4a5 and the first sliding rail 4a2, the first sliding rail 4a2 drives the filling block 4a7 to slide along the axial direction of the main shaft 4a3, the groove 3a5 is exposed, and the arc-shaped clamping block 3a3 can be clamped into the groove 3a5; similarly, when the AGV is stopped, the main shaft 4a3 is driven to rotate through the relative movement of the rack 4b2 and the rotary gear 4b4 at the other side, so that the filling block 4a7 fills the groove 3a5, and the arc-shaped clamping block 3a3 is prevented from being clamped into the groove 3a5.
Referring to fig. 11 and 12: the transmission assembly 4c comprises a worm gear 4c1, a worm 4c2, a second rotating shaft 4c3, a first bevel gear 4c4, a second bevel gear 4c5 and a third bevel gear 4c6, and two first bevel gears 4c4, second bevel gears 4c5 and third bevel gears 4c6 are arranged; the worm wheel 4c1 is fixedly sleeved on the main shaft 4a 3; the worm 4c2 is rotatably arranged on the fourth mounting seat 5a3, and the worm 4c2 is in transmission connection with the worm wheel 4c 1; the second rotation shaft 4c3 is rotatably mounted on the fourth mount 5a 3; the two first bevel gears 4c4 are fixedly sleeved on the worm 4c2 and one of the first rotating shafts 4b3 respectively, and the two first bevel gears 4c4 are in gear engagement connection; the two second bevel gears 4c5 are fixedly sleeved on the worm 4c2 and the second rotating shaft 4c3 respectively, and the two second bevel gears 4c5 are in gear engagement connection; the two third bevel gears 4c6 are fixedly sleeved on the second rotating shaft 4c3 and the other first rotating shaft 4b3 respectively, and the two third bevel gears 4c6 are in gear engagement connection.
The application realizes the function of transmitting the rotation of the first rotating shaft 4b3 to the main shaft 4a3 through the worm wheel 4c1, the worm 4c2, the second rotating shaft 4c3 and the first bevel gear 4c4, and achieves the self-locking effect through the transmission of the worm wheel 4c1 and the worm 4c 2; when the AGV trolley starts, due to the influence of inertia, the cargo bucket 7 falls behind the AGV trolley, so that the fourth mounting seat 5a3 slides along the second sliding rail 5a1, when the rotary gear 4b4 is meshed with the rack 4b2, the rack 4b2 drives the rotary gear 4b4 to rotate, the rotary gear 4b4 drives the first rotary shaft 4b3 to rotate, the first rotary shaft 4b3 is driven by the transmission of the first bevel gear 4c4, the main shaft 4a3 drives the synchronous disc 4a4 to rotate, along with the rotation of the synchronous disc 4a4, the matched driving slide block 4a6 of the second guide rail 4a5 and the first guide rail 4a2 slides along the first guide rail 4a2, the first guide rail 4a2 drives the filling block 4a7 to slide towards the axis direction of the main shaft 4a3, the groove 3a5 is exposed, and the arc-shaped clamping block 3a3 can be clamped into the groove 3a5; similarly, when the AGV is stopped, the main shaft 4a3 is driven to rotate through the relative movement of the rack 4b2 and the rotary gear 4b4 at the other side, so that the filling block 4a7 fills the groove 3a5, and the arc-shaped clamping block 3a3 is prevented from being clamped into the groove 3a5.
Referring to fig. 12 and 13: the rotation gear 4b4 is rotatably mounted on the first rotation shaft 4b 3; the control device 4 further comprises a unidirectional driving assembly 4d, two unidirectional driving assemblies 4d are arranged, and the unidirectional driving assembly 4d comprises a ratchet gear 4d1 and a stop pawl 4d2; the ratchet gear 4d1 is fixedly sleeved on the first rotary shaft 4b 3; the stop pawl 4d2 is fixedly arranged on the rotary gear 4b4, and the ratchet gear 4d1 is in unidirectional transmission connection with the stop pawl 4d 2.
According to the application, the functions of respectively controlling the filling and moving out of the filling block 4a7 by the two rotary gears 4b4 are realized through the ratchet gear 4d1 and the stop pawl 4d2, so that the filling condition of the filling block 4a7 in the moving process of the AGV trolley is avoided; because the trolley starts to reach the highest speed and runs at a constant speed, the fourth mounting seat 5a3 slides to a position close to the middle of the second sliding rail 5a1, so that the rotary gear 4b4 and the rack 4b2 are driven again, the filling block 4a7 is used for filling the groove 3a5 again, the arc-shaped clamping block 3a3 and the groove 3a5 cannot be matched, and the fixation of the pulling rod 6 is loose and has the risk of falling; for this reason, the unidirectional driving assembly 4d is provided, so that the rotating gears 4b4 on two sides can only unidirectional drive the main shaft 4a3, and when the fourth mounting seat 5a3 slides to the middle position of the second sliding rail 5a1, the main shaft 4a3 is not driven to rotate, and the transport process of the AGV is further stabilized.
Referring to fig. 1, 10 and 14: the protection device 5 further comprises two anti-collision assemblies 5b, wherein the two anti-collision assemblies 5b are respectively positioned at the front end and the rear end of the frame 1; the bump guard 5b includes a second pressure sensor 5b1, a fifth elastic member 5b2, and a guardrail 5b3; the second pressure sensor 5b1 is fixedly arranged on the frame 1; both ends of the fifth elastic member 5b2 are fixedly connected with the second pressure sensor 5b1 and the guard rail 5b3, respectively.
The application realizes the function of further protecting the frame 1 through the second pressure sensor 5b1, the fifth elastic piece 5b2 and the guard rail 5b3; in the moving process of the AGV trolley, collision still possibly occurs due to various unexpected situations, therefore, the anti-collision assembly 5b is arranged, the guardrail 5d3 contacts before an obstacle in the collision, then the fifth elastic piece 5b2 is stressed and contracted to form buffer, the frame 1 is protected, the damage to the AGV trolley is greatly reduced through the blocking of the guardrail 5d3 and the buffer of the fifth elastic piece 5b2, the second pressure sensor 5b1 continuously monitors the stress condition of the fifth elastic piece 5b2, and once the collision occurs, the second pressure sensor 5b1 monitors the pressure increase, immediately feeds back a signal to the controller so that the controller can conveniently make corresponding judgment.
The foregoing examples merely illustrate one or more embodiments of the application, which are described in greater detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (8)
1. An anti-drop traction type AGV trolley is characterized by comprising a frame (1) and a traction device (2);
the traction device (2) comprises a traction pin (2 a) and an anti-falling assembly (2 b);
the traction pin (2 a) is fixedly arranged on the frame (1), and the traction rod (6) is prevented from being separated from the traction pin through the frame (1) and the traction device (2);
the anti-falling assembly (2 b) comprises a first mounting seat (2 b 1) and limiting blocks (2 b 2), the first mounting seat (2 b 1) is fixedly arranged on the traction pin (2 a), the limiting blocks (2 b 2) are provided with a plurality of limiting blocks, the limiting blocks (2 b 2) are hinged on the first mounting seat (2 b 1) through torsion springs, and the limiting blocks (2 b 2) are symmetrically arranged about the axis center of the first mounting seat (2 b 1);
after the materials are loaded into the cargo bucket (7), a pulling rod (6) fixedly installed on the cargo bucket (7) is sleeved on the traction pin (2 a), the pulling rod (6) can rotate the torsion spring when passing through the limiting block (2 b 2), so that the limiting block (2 b 2) rotates, the pulling rod (6) passes through the limiting block (2 b 2) and is sleeved on the traction pin (2 a), and when the pulling rod (6) completely passes through the limiting block (2 b 2), the limiting block (2 b 2) returns to the original position under the elastic action of the torsion spring;
the traction device (2) further comprises a first buffer assembly (2 c), wherein the first buffer assembly (2 c) comprises a bearing seat (2 c 1) and a first elastic piece (2 c 2);
the bearing bracket (2 c 1) is slidably arranged on the traction pin (2 a);
two ends of the first elastic piece (2 c 2) are respectively fixedly connected with the frame (1) and the bearing seat (2 c 1);
the traction device further comprises a limiting device (3), the first mounting seat (2 b 1) is slidably mounted in the traction pin (2 a), the limiting device (3) comprises an adjusting component (3 a), and the adjusting component (3 a) comprises a support column (3 a 2), an arc-shaped clamping block (3 a 3) and a second elastic piece (3 a 4);
a plurality of first sliding rails (3 a 1) are fixedly arranged on the traction pin (2 a), and the first sliding rails (3 a 1) are in one-to-one correspondence with the limiting blocks (2 b 2);
the support column (3 a 2) is fixedly arranged on the frame (1), and the axis of the support column (3 a 2) is collinear with the axis of the traction pin (2 a);
the arc-shaped clamping blocks (3 a 3) and the second elastic pieces (3 a 4) are respectively provided with a plurality of elastic pieces and correspond to the first sliding rails (3 a 1) one by one, and the arc-shaped clamping blocks (3 a 3) are slidably arranged on the first mounting seats (2 b 1);
two ends of the second elastic piece (3 a 4) are fixedly connected with the arc-shaped clamping block (3 a 3) and the first mounting seat (2 b 1) respectively;
a plurality of grooves (3 a 5) matched with the arc-shaped clamping blocks (3 a 3) are formed in the support posts (3 a 2), and the grooves (3 a 5) are distributed on the support posts (3 a 2) in an array mode.
2. The anti-slip traction type AGV trolley according to claim 1, further comprising a control device (4), wherein the control device (4) comprises a filling assembly (4 a) and a rotation driving assembly (4 b);
the filling assembly (4 a) comprises a third mounting seat (4 a 1), a main shaft (4 a 3) and a synchronous disc (4 a 4);
the plurality of third installation seats (4 a 1) are arranged, the third installation seats (4 a 1) are fixedly installed on the support posts (3 a 2), and a plurality of first guide rails (4 a 2) are arranged on the third installation seats (4 a 1);
the main shaft (4 a 3) is rotatably arranged on the frame (1), and the axis of the main shaft (4 a 3) is collinear with the axis of the traction pin (2 a);
the synchronous disc (4 a 4) is fixedly sleeved on the main shaft (4 a 3), a plurality of arc-shaped second guide rails (4 a 5) are arranged on the synchronous disc (4 a 4), and the second guide rails (4 a 5) are in one-to-one correspondence with the first guide rails (4 a 2);
each second guide rail (4 a 5) is provided with a sliding block (4 a 6) in a sliding manner, and the sliding blocks (4 a 6) are in sliding fit with the first guide rails (4 a 2);
a filling block (4 a 7) is fixedly arranged on the sliding block (4 a 6), and the filling block (4 a 7) is in sliding fit with the groove (3 a 5);
the rotary driving assembly (4 b) is fixedly arranged on the frame (1), and the driving end of the rotary driving assembly (4 b) is in transmission connection with the main shaft (4 a 3);
through cooperation drive slider (4 a 6) of second guide rail (4 a 5) and first guide rail (4 a 2) along first guide rail (4 a 2) slip, first guide rail (4 a 2) drive fill piece (4 a 7) slip, after fill piece (4 a 7) are full with recess (3 a 5), arc fixture block (3 a 3) can't block recess (3 a 5) for first mount pad (2 b 1) can be along towing pin (2 a) free slip, and first mount pad (2 b 1) upwards slides under the elasticity effect of first elastic component (2 c 2) in order to lift off towing bar (6) from towing pin (2 a).
3. The anti-slip traction type AGV trolley according to claim 2 wherein the limiting device (3) further comprises a locking assembly (3 b), wherein the locking assembly (3 b) comprises a second mounting seat (3 b 1), a third elastic member (3 b 3) and a handle (3 b 4);
the second mounting seat (3 b 1) is fixedly arranged on the traction pin (2 a);
a plurality of locking claws (3 b 2) are fixedly arranged on the second mounting seat (3 b 1), and the locking claws (3 b 2) are symmetrically arranged about the axial center of the second mounting seat (3 b 1);
the third elastic piece (3 b 3) is provided with a plurality of locking claws (3 b 2) which are in one-to-one correspondence, and two ends of the third elastic piece (3 b 3) are fixedly connected with the locking claws (3 b 2) and the traction pins (2 a) respectively;
the handle (3 b 4) is fixedly arranged on the second mounting seat (3 b 1);
a plurality of lock catches (3 b 5) matched with the lock claws (3 b 2) are fixedly arranged on the first mounting seat (2 b 1).
4. The anti-slip traction type AGV according to claim 3 further comprising a protection device (5), wherein the protection device (5) comprises a second buffer assembly (5 a), and wherein the second buffer assembly (5 a) comprises a second slide rail (5 a 1), a first pressure sensor (5 a 2), a fourth mounting seat (5 a 3) and a fourth elastic member (5 a 4);
the second sliding rail (5 a 1) is fixedly arranged on the frame (1);
the first pressure sensor (5 a 2) is fixedly arranged on the second sliding rail (5 a 1);
the fourth mounting seat (5 a 3) is slidably mounted on the second sliding rail (5 a 1), and the traction pin (2 a) and the adjusting component (3 a) are fixedly mounted on the fourth mounting seat (5 a 3);
the plurality of the fourth elastic pieces (5 a 4) are arranged, and the plurality of the second sliding rails (5 a 1) are respectively arranged at two ends of the fourth installation seat (5 a 3); both ends of the fourth elastic piece (5 a 4) are fixedly connected with the second sliding rail (5 a 1) and the fourth installation seat (5 a 3) respectively.
5. The anti-slip traction type AGV trolley according to claim 4, wherein the rotation drive assembly (4 b) comprises a mounting plate (4 b 1), a rack (4 b 2), a first rotation shaft (4 b 3) and a rotation gear (4 b 4); the mounting plate (4 b 1), the rack (4 b 2), the first rotating shaft (4 b 3) and the rotating gear (4 b 4) are respectively provided with two;
the mounting plate (4 b 1) is fixedly arranged at the bottom of the frame (1);
the two racks (4 b 2) are respectively and fixedly arranged on the two mounting plates (4 b 1);
the first rotating shaft (4 b 3) is rotatably arranged on the fourth mounting seat (5 a 3);
the two rotary gears (4 b 4) are fixedly sleeved on the two first rotary shafts (4 b 3) respectively, and the rotary gears (4 b 4) are in separable transmission connection with the racks (4 b 2);
the control device (4) further comprises a transmission assembly (4 c), and two ends of the transmission assembly (4 c) are respectively connected with the first rotating shaft (4 b 3) and the main shaft (4 a 3) in a transmission manner.
6. The anti-slip traction type AGV trolley according to claim 5, wherein the transmission assembly (4 c) comprises a worm wheel (4 c 1), a worm (4 c 2), a second rotation shaft (4 c 3), a first bevel gear (4 c 4), a second bevel gear (4 c 5) and a third bevel gear (4 c 6), and the first bevel gear (4 c 4), the second bevel gear (4 c 5) and the third bevel gear (4 c 6) are provided with two;
the worm wheel (4 c 1) is fixedly sleeved on the main shaft (4 a 3);
the worm (4 c 2) is rotatably arranged on the fourth mounting seat (5 a 3), and the worm (4 c 2) is in transmission connection with the worm wheel (4 c 1);
the second rotating shaft (4 c 3) is rotatably arranged on the fourth mounting seat (5 a 3);
the two first bevel gears (4 c 4) are fixedly sleeved on the worm (4 c 2) and one of the first rotating shafts (4 b 3) respectively, and the two first bevel gears (4 c 4) are in gear engagement connection;
the two second bevel gears (4 c 5) are fixedly sleeved on the worm (4 c 2) and the second rotating shaft (4 c 3) respectively, and the two second bevel gears (4 c 5) are in gear engagement connection;
the two third bevel gears (4 c 6) are fixedly sleeved on the second rotating shaft (4 c 3) and the other first rotating shaft (4 b 3) respectively, and the two third bevel gears (4 c 6) are in gear engagement connection.
7. The anti-slip traction type AGV trolley according to claim 6, wherein the rotation gear (4 b 4) is rotatably installed on the first rotation shaft (4 b 3);
the control device (4) further comprises one-way driving assemblies (4 d), two one-way driving assemblies (4 d) are arranged, and each one-way driving assembly (4 d) comprises a ratchet wheel (4 d 1) and a stop pawl (4 d 2);
the ratchet gear (4 d 1) is fixedly sleeved on the first rotating shaft (4 b 3);
the stop pawl (4 d 2) is fixedly arranged on the rotary gear (4 b 4), and the ratchet gear (4 d 1) is in one-way transmission connection with the stop pawl (4 d 2).
8. The anti-drop traction type AGV trolley according to claim 7, wherein the protection device (5) further comprises two anti-collision assemblies (5 b), and the two anti-collision assemblies (5 b) are respectively positioned at the front end and the rear end of the frame (1);
the anti-collision assembly (5 b) comprises a second pressure sensor (5 b 1), a fifth elastic piece (5 b 2) and a guardrail (5 b 3);
the second pressure sensor (5 b 1) is fixedly arranged on the frame (1);
two ends of the fifth elastic piece (5 b 2) are fixedly connected with the second pressure sensor (5 b 1) and the guardrail (5 b 3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674681.0A CN115675689B (en) | 2022-12-26 | 2022-12-26 | Anticreep traction type AGV dolly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211674681.0A CN115675689B (en) | 2022-12-26 | 2022-12-26 | Anticreep traction type AGV dolly |
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| CN115675689A CN115675689A (en) | 2023-02-03 |
| CN115675689B true CN115675689B (en) | 2023-12-01 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115675689A (en) | 2023-02-03 |
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