CN111959572A - Logistics trolley with safety improving function - Google Patents
Logistics trolley with safety improving function Download PDFInfo
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- CN111959572A CN111959572A CN202010805909.XA CN202010805909A CN111959572A CN 111959572 A CN111959572 A CN 111959572A CN 202010805909 A CN202010805909 A CN 202010805909A CN 111959572 A CN111959572 A CN 111959572A
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- Prior art keywords
- bottom plate
- trolley
- fixedly connected
- roller
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
- B62B3/005—Details of storage means, e.g. drawers, bins or racks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0404—Braking mechanisms; Locking devices against movement automatic
- B62B5/0414—Braking mechanisms; Locking devices against movement automatic dead man's brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
Abstract
The application relates to the field of logistics transportation machinery, in particular to a logistics trolley for improving safety, which comprises a bottom plate and an installation frame arranged on the bottom plate, wherein a protective net is fixedly connected to the inner wall of the installation frame, and a speed limiting assembly for reducing the speed of the logistics trolley is arranged on one surface of the bottom plate, which is far away from the installation frame; the bottom plate is kept away from and is equipped with the universal wheel on the installing frame one side, and the universal wheel is provided with a plurality ofly side by side, and a plurality of universal wheels are arranged in bottom plate length direction one end, and the bottom plate is kept away from universal wheel one end and is equipped with the mounting bracket, and the mounting bracket is arranged a plurality ofly along bottom plate width direction interval, all rotates on every mounting bracket to be connected with the gyro wheel, is equipped with the scram subassembly that is used for realizing the scram. This application has the sliding speed when reducing the commodity circulation platform truck and gliding from the slope, alleviates the damage that the commodity circulation platform truck collided the people and caused, promotes the effect of the security of commodity circulation platform truck.
Description
Technical Field
The application relates to the field of logistics transportation machinery, in particular to a logistics trolley capable of improving safety.
Background
The logistics trolley is also called a cargo trolley or a cage trolley, and is a unit moving container equipment for transporting and storing materials. The method is commonly used for logistics distribution of a large supermarket or logistics turnover between factory processes.
Currently, chinese patent No. CN201793202U discloses a foldable logistic trolley, which includes a first fixed wall, a second fixed wall, a first movable wall and a second movable wall. The first fixed wall and the second fixed wall are fixedly connected together in a vertical state. One end of the first movable wall is pivoted to the second fixed wall. The first wall piece is pivoted on the second movable wall, the second wall piece is pivoted on the first fixed wall, and the first wall piece is pivoted with the second wall piece. The first movable wall and the second movable wall can be pushed inwards to enable the first movable wall and the second wall sheet on the second movable wall to be in a straight line and be positioned on the inner side of the second fixed wall, the first wall sheet on the second movable wall is positioned on the inner side of the first fixed wall, and the logistics trolley is in an L-shaped folding state.
To the correlation technique among the above-mentioned, the inventor thinks that the logistics trolley is when the transportation goods, often can meet the problem of climbing, and when the staff promoted or pulled the logistics trolley and climbed, if the staff stopped to the logistics trolley application of force under external influence, the logistics trolley slided along the slope. Under the influence of goods on the logistics trolley, the downhill speed of the logistics trolley is faster and faster, and other workers on the slope can be impacted when the logistics trolley slides down from the slope, so that the potential hazard of hurting people exists.
Disclosure of Invention
In order to reduce the slip speed of commodity circulation platform truck when sliding down from the slope, alleviate the damage that the commodity circulation platform truck collided the people and caused, promote the security of commodity circulation platform truck, this application provides a commodity circulation platform truck who promotes the security.
The utility model provides a promote logistics trolley of security adopts following technical scheme:
a logistics trolley for improving safety comprises a bottom plate and an installation frame arranged on the bottom plate, wherein a protective net is fixedly connected to the inner wall of the installation frame, and a speed-limiting assembly used for reducing the speed of the logistics trolley is arranged on one surface of the bottom plate, which is far away from the installation frame; the bottom plate is kept away from and is equipped with the universal wheel in the installing frame one side, the universal wheel is provided with a plurality ofly, and is a plurality of side by side the universal wheel is arranged in bottom plate length direction one end, the bottom plate is kept away from universal wheel one end and is equipped with the mounting bracket, the mounting bracket is arranged a plurality ofly, every along bottom plate width direction interval all rotate on the mounting bracket and be connected with the gyro wheel, be equipped with the scram subassembly that is used for realizing the scram of gyro wheel on the mounting bracket.
By adopting the technical scheme, the bottom plate is used for arranging the universal wheels and the mounting rack; the mounting frame is used for fixing the protective net; the protective net is used for preventing goods in the logistics trolley from falling; the speed limiting component is used for limiting the speed of the logistics trolley; the universal wheels are used for guiding the logistics trolley; the mounting rack is used for mounting the roller; the roller is used for supporting the logistics trolley; the machine barrel assembly emergently stops the logistics trolley. The goods is placed on the bottom plate, and the protection network blocks the goods in the commodity circulation platform truck, and when promoting the commodity circulation platform truck uphill, the commodity circulation platform truck blocks the gliding trend of goods along the bottom plate at the protection network, prevents that the goods landing from pounding staff on every side. When the accident condition appears, the scram subassembly scrams the commodity circulation platform truck, reduces the gliding distance of commodity circulation platform truck on the slope, and the safety of commodity circulation platform truck is promoted to the damage that leads to the fact to colliding the staff that significantly reduces. When the scram assembly is not triggered, the sliding speed of the logistics trolley on the ramp is gradually increased, the speed limiting assembly limits the speed of the logistics trolley, the logistics trolley is decelerated, damage to the logistics trolley caused by the fact that the logistics trolley collides with workers is reduced, and the safety of the logistics trolley is further improved.
Preferably, the emergency stop component comprises a ratchet wheel and a pawl, the ratchet wheel and the pawl are coaxially arranged with the roller wheel, the pawl is rotatably connected to the mounting frame, the pawl abuts against the ratchet of the ratchet wheel, and multiple groups of ratchet wheels and multiple groups of pawls are arranged corresponding to the roller wheel.
Through adopting above-mentioned technical scheme, when normally promoting the commodity circulation platform truck and carry out the transport of goods, the pawl is beated on the ratchet, and when reverse motion appeared in the commodity circulation platform truck, the ratchet butt on pawl and the ratchet on the ratchet, the ratchet can't continue to rotate, and ratchet stall leads to gyro wheel stall, realizes the scram of commodity circulation platform truck on the slope, further promotes the security of commodity circulation platform truck.
Preferably, the pawl is kept away from ratchet one end fixedly connected with and is used for butt ratchet's conflict piece, the pawl is kept away from and is kept away from the first spring of the one side fixedly connected with of conflict piece, pawl one end and mounting bracket fixed connection are kept away from to first spring, the conflict piece is kept away from the pawl and is kept away from the one side fixedly connected with second spring, conflict piece one end and mounting bracket fixed connection are kept away from to the second spring, the pawl is equipped with the switching-over piece in the clearance of conflict piece, it is connected with the stirring piece to rotate on the mounting bracket, the stirring piece runs through mounting bracket and switching-over piece fixed connection.
By adopting the technical scheme, the collision block is used for abutting against the ratchet on the ratchet wheel; the first spring is used for elastically pressing the pawl; the second spring is used for elastically pressing the abutting block; the reversing block is used for extruding the pawl and the collision block; the stirring block is stirred to adjust the extrusion direction of the reversing block. The ratchet is bidirectional ratchet, rotates and dials the piece and makes the switching-over piece extrude the touch pad, touch pad and ratchet separation, and the pawl is connected with the ratchet, and the gyro wheel only can clockwise or anticlockwise rotate, and the scram of gyro wheel is realized to pawl butt ratchet when gyro wheel antiport. The rotating shifting block is abutted to the pawl, the contact block is connected with the ratchet wheel, the ratchet wheel can only rotate anticlockwise or clockwise, and when the roller rotates reversely, the contact block is abutted to the ratchet on the ratchet wheel, so that reverse scram of the ratchet wheel is realized. Need not worry the direction of commodity circulation platform truck on the ramp when going up the slope, can both realize scram, further promote the security of commodity circulation platform truck.
Preferably, the rollers are coaxially and fixedly connected with transmission shafts, the transmission shafts are coaxially and fixedly connected with the rollers, the speed limiting assembly comprises a connecting seat fixedly connected to one side, away from the mounting frame, of the bottom plate and a roller rotatably connected with the connecting seat, insertion holes are formed in two ends of the connecting seat in the length direction, clamping teeth are arranged on the inner walls of the insertion holes, the roller is inserted into the insertion holes, the axis of the roller is parallel to that of the transmission shafts, and chain wheels are coaxially and fixedly connected to the roller and the transmission shafts;
the roller is characterized in that first clamping blocks are rotatably connected to the end faces of two ends of the roller in the axis direction, one end of each first clamping block in the length direction is rotatably connected with a connecting rod, one end, far away from the first clamping block, of each connecting rod is rotatably connected with a second clamping block, the second clamping block is rotatably connected with the roller, one end, far away from the connecting rod, of each second clamping block is rotatably connected with a telescopic rod, a limiting spring is sleeved on each telescopic rod, a telescopic sleeve is inserted into each limiting spring, the telescopic rods are inserted into the telescopic sleeves, and the telescopic sleeves.
By adopting the technical scheme, the transmission shaft is used for transmission; the connecting seat is used for connecting the roller; the jack is used for inserting the roller; the chain wheel is used for connecting a chain; the first clamping block and the second clamping block are clamped with the clamping teeth to limit the speed of the logistics trolley; the telescopic rod slides in the telescopic sleeve to realize the clamping connection of the first clamping block and the second clamping block with the clamping teeth; the limiting spring is used for limiting the length of the telescopic rod inserted into the telescopic sleeve and adjusting the influence of centrifugal force on the telescopic rod. When the commodity circulation platform truck is gliding fast on slope, first fixture block and second fixture block are thrown away under the effect of centrifugal force, and first fixture block and second fixture block joint are on the latch, and the cylinder stall leads to transmission shaft stall, and the gyro wheel stall realizes the speed limit to the commodity circulation platform truck, further promotes the security of commodity circulation platform truck.
Preferably, the outer wall of the telescopic rod is fixedly connected with an extrusion plate, the side wall of the telescopic sleeve is fixedly connected with a baffle plate, one end of the limiting spring in the length direction abuts against the extrusion plate, and the other end of the limiting spring abuts against the baffle plate.
Through adopting above-mentioned technical scheme, when the gyro wheel rotated at a high speed, baffle and stripper plate extruded spacing spring, promoted the effective area to spacing spring, and speed variation is bigger to spacing spring's influence, promotes spacing spring to speed variation's sensitivity, and the commodity circulation platform truck realizes the speed limit in shorter time, further promotes the security of commodity circulation platform truck.
Preferably, a balancing weight is arranged at one end, far away from the connecting rod, of the first clamping block and one end, close to the connecting rod, of the second clamping block.
Through adopting above-mentioned technical scheme, the balancing weight promotes the quality of first fixture block and second fixture block, and the balancing weight setting is in the farther place from the cylinder centre of a circle, and the centrifugal force that receives is bigger, further promotes the sensitive degree to speed, promotes the speed limit effect of degree commodity circulation platform truck, further promotes the security of commodity circulation platform truck.
Preferably, damping springs are vertically arranged on the bottom plate, a plurality of damping springs are arranged at intervals, a bearing plate is arranged at one end, far away from the bottom plate, of each damping spring, and the mounting frame is fixedly connected with the bearing plate.
Through adopting above-mentioned technical scheme, the goods is placed on the supporting plate, and damping spring supports the supporting plate, and the supporting plate supports the goods. When transporting goods with the logistics trolley, damping spring reduces the vibrations of goods on the logistics trolley, promotes the stability of goods on the logistics trolley, and the goods remains stable on the logistics trolley, reduces the center incline of logistics trolley, further promotes the security of logistics trolley.
Preferably, a guide post is inserted into each damping spring and is fixedly connected with the bottom surface of the bearing plate.
Through adopting above-mentioned technical scheme, the guide pillar leads the flexible direction of spring, avoids the spring to absorb the goods after vibrations and drives the mounting bracket and rock, further promotes the stability of commodity circulation platform truck, promotes the security of commodity circulation platform truck.
Preferably, one end, close to the bottom plate, of the damping spring is provided with a supporting seat, the supporting seat is fixedly connected with the bottom plate, one end, close to the bearing plate, of the damping spring is sleeved with a supporting sleeve, and the supporting sleeve is fixedly connected with one surface, close to the bottom plate, of the bearing plate.
Through adopting above-mentioned technical scheme, support the cover and insert and establish in the supporting seat, lead damping spring's flexible direction, promote damping spring's shock attenuation effect, further promote the security of commodity circulation platform truck.
Preferably, a plurality of reinforcing ribs are arranged in the mounting frame, and the protective net is fixedly connected with the reinforcing ribs.
Through adopting above-mentioned technical scheme, the strengthening rib promotes the logistics trolley to the support effect of goods, promotes the protective effect of protection network, further promotes the security of logistics trolley.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the logistics trolley runs on a slope, the protective net blocks the tendency that goods in the logistics trolley slide off the logistics trolley, when the logistics trolley slides downwards on the slope, the emergency stop component emergently stops the downward sliding of the logistics trolley, when the emergency stop component fails, the speed limiting component limits the sliding speed of the logistics trolley, the sliding speed of the logistics trolley is reduced, and the safety of the logistics trolley is improved;
2. the mounting plate is arranged on the bottom plate, and the damping spring is arranged between the mounting plate and the bottom plate to damp the logistics trolley, so that the stability of the logistics trolley during operation is improved;
3. set up the strengthening rib in the installing frame, reduce the deformation degree of protection network, promote the protection network and to the effect that blocks of goods, further promote the security of commodity circulation platform truck.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic view showing a positional relationship of the damper spring.
Fig. 3 is a partially enlarged schematic view at a in fig. 2.
FIG. 4 is a schematic diagram showing the connection relationship of the emergency stop component.
FIG. 5 is a schematic diagram showing the structure of the scram assembly.
Fig. 6 is a partially enlarged schematic view at B in fig. 5.
Description of reference numerals: 1. a base plate; 2. installing a frame; 3. a protective net; 4. reinforcing ribs; 5. a universal wheel; 6. a speed limiting component; 61. a connecting seat; 62. a drum; 63. a first clamping block; 64. a connecting rod; 65. a second fixture block; 66. a telescopic rod; 67. a telescopic sleeve; 68. a limiting spring; 69. clamping teeth; 7. a scram component; 71. a ratchet wheel; 72. a pawl; 73. a contact block; 74. a first spring; 75. a second spring; 76. a commutation block; 77. a shifting block; 8. a roller; 9. a support plate; 10. a supporting seat; 11. a support sleeve; 12. a damping spring; 13. a guide post; 14. a mounting frame; 15. a drive shaft; 16. a sprocket; 17. a balancing weight; 18. a jack; 19. a pressing plate; 20. and a baffle plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses promote logistics trolley of security. Referring to fig. 1, the logistics trolley for improving safety comprises a bottom plate 1 and an installation frame 2 arranged on the bottom plate 1, wherein a bearing plate 9 is arranged between the bottom plate 1 and the installation frame 2, and the installation frame 2 is fixedly connected with the bearing plate 9. Horizontal fixedly connected with strengthening rib 4 in the installing frame 2, strengthening rib 4 has many along 2 direction of height interval distribution of installing frame, fixedly connected with protection network 3 on the inner wall of installing frame 2. The bottom plate 1 is provided with universal wheel 5 on keeping away from installing frame 2 one side, and universal wheel 5 is provided with two side by side, and even a universal wheel 5 sets up on two angles of 1 length direction one end of bottom plate. The side, far away from the mounting frame 2, of the bottom plate 1 is provided with two mounting frames 14, the two mounting frames 14 are arranged at intervals along the width direction of the bottom plate 1, the two mounting frames 14 are arranged at two corners, far away from one end of the universal wheel 5, of the bottom plate 1, and each mounting frame 14 is rotatably connected with a roller 8. Place the goods on the layer board 9, the installing frame 2 supports the goods and is convenient for goods to put things in good order and pile up. During transportation goods, protection network 3 blocks the goods that leads to the landing because the ground unevenness, and strengthening rib 4 reduces the deformation degree of protection network 3, blocks the goods in the platform truck of commodity circulation simultaneously, promotes the effect that blocks the goods, further promotes the security performance of platform truck of commodity circulation.
Referring to fig. 2 and 3, fixedly connected with supporting seat 10 is gone up to bottom plate 1 near supporting plate 9 one side, and supporting seat 10 interval sets up on four angles of bottom plate 1, all inserts in every supporting seat 10 and is equipped with damping spring 12, and supporting plate 9 is close to fixedly connected with support cover 11 on bottom plate 1 one side, supports cover 11 and inserts and establish in supporting seat 10, supports cover 11 and corresponds supporting seat 10 and be provided with a plurality ofly, and damping spring 12 keeps away from supporting seat 10 one end and inserts and establish in supporting cover 11. The bearing plate 9 is vertically and fixedly connected with a guide post 13 on one surface close to the bottom plate 1, a plurality of guide posts 13 are arranged corresponding to the damping springs 12, and the guide posts 13 are inserted in the damping springs 12.
Referring to fig. 2 and 3, when the logistics trolley is pushed to run on an uneven road surface, goods in the logistics trolley are constantly vibrated due to bumping of the road surface, the goods slide in a small range in the logistics trolley under the action of the constant vibration and gradually move out of the logistics trolley, and the hidden danger that the goods injure people exists. Shock of the 1 conduction of damping spring 12 absorption bottom plate, alleviate the influence of vibrations to goods in the commodity circulation platform truck, guide pillar 13 leads damping spring 12's compression direction, reduce the offset of damping spring 12 when compressing, supporting seat 10 leads to damping spring 12's resilience direction with supporting cover 11, reduce the offset of offsetting around when the spring is kick-backed, alleviate the influence of vibrations to goods in the commodity circulation platform truck, promote the stability of goods in the commodity circulation platform truck, further promote the security of commodity circulation platform truck.
Referring to fig. 4 and 5, the mounting frame 14 is provided with an emergency stop assembly 7 for realizing emergency stop of the trolley, the emergency stop assembly 7 comprises a ratchet 71 and a pawl 72, the ratchet 71 is coaxial with the roller 8, the pawl 72 is rotatably connected to the mounting frame 14, the pawl 72 abuts against the ratchet on the ratchet 71, and two groups of the ratchet 71 and the pawl 72 are arranged corresponding to the roller 8. When the logistics trolley slides off the slope, the pawl 72 abuts against the ratchet on the ratchet wheel 71, the ratchet wheel 71 stops rotating to cause the roller 8 to stop rotating, the logistics trolley is stopped suddenly, and the safety of the logistics trolley is further improved.
Referring to fig. 4 and 5, an abutting block 73 is arranged at one end of the pawl 72 away from the ratchet 71, the abutting block 73 is integrally formed with the pawl 72, a first spring 74 is fixedly connected to one surface of the pawl 72 away from the abutting block 73, and one end of the first spring 74 away from the pawl 72 is fixedly connected with the mounting frame 14. The surface of the contact block 73 away from the pawl 72 is fixedly connected with a second spring 75, and one end of the second spring 75 away from the contact block 73 is fixedly connected with the mounting frame 14. A reversing block 76 is arranged in an included angle between the pawl 72 and the abutting block 73, a toggle block 77 is rotatably connected to the outer wall of the mounting frame 14, and the toggle block 77 penetrates through the mounting frame 14 and is fixedly connected with the reversing block 76. The ratchet wheel 71 is a bidirectional ratchet wheel 71, the toggle block 77 is rotated to enable the reversing block 76 to abut against the pawl 72, the collision block 73 abuts against the ratchet teeth of the ratchet wheel 71, the roller 8 realizes reverse rotation and cannot run towards the original running direction, the running direction is changed according to the requirement before the uphill, and the transportation efficiency of goods is improved; the scram to the commodity circulation platform truck can both be realized to different advancing direction, further promotes the security of commodity circulation platform truck.
Referring to fig. 5 and 6, a transmission shaft 15 is coaxially and fixedly connected to the roller 8, a sprocket 16 is coaxially and fixedly connected to the transmission shaft 15, and two ends of the transmission shaft 15 in the axial direction are coaxially and fixedly connected to the rotating shafts of the two rollers 8. Bottom plate 1 is kept away from and is equipped with speed limit subassembly 6 that slows down to the commodity circulation platform truck in the one side, speed limit subassembly 6 includes that fixed connection keeps away from connecting seat 61 on the installation frame 2 one side and rotates the cylinder 62 of being connected with connecting seat 61 at bottom plate 1, the axis of cylinder 62 is parallel with the axis of transmission shaft 15, coaxial fixedly connected with sprocket 16 on the cylinder 62, be connected cylinder 62 and transmission shaft 15 with chain winding sprocket 16, connecting seat 61 length direction both ends are run through there is jack 18, cylinder 62 is inserted and is established in jack 18, be equipped with latch 69 on the jack 18 inner wall, latch 69 and connecting seat 61 integrated into one piece. During the driving process of the trolley, the roller 8 rotates to drive the transmission shaft 15 and the chain wheel 16 to rotate, the chain wheel 16 drives the chain to transmit, and the chain drives the roller 62 to rotate in the connecting seat 61.
Referring to fig. 5 and 6, the end faces of the two ends of the drum 62 in the axial direction are rotatably connected with a first clamping block 63, one end of the first clamping block 63 in the length direction is rotatably connected with a connecting rod 64, one end of the connecting rod 64 far away from the first clamping block 63 is rotatably connected with a second clamping block 65, and the second clamping block 65 is rotatably connected with the drum 62. Second fixture block 65 is kept away from connecting rod 64 one end and is rotated and be connected with telescopic link 66, be equipped with stripper plate 19 on the lateral wall of telescopic link 66, stripper plate 19 and telescopic link 66 integrated into one piece, telescopic link 66 is gone up the cover futilely and is equipped with spacing spring 68, spacing spring 68 interpolation is equipped with expansion sleeve 67, telescopic link 66 is inserted and is established in expansion sleeve 67, be equipped with baffle 20 on expansion sleeve 67's the lateral wall, baffle 20 and expansion sleeve 67 integrated into one piece, spacing spring 68's both ends offset with baffle 20 and stripper plate 19 respectively, expansion sleeve 67 rotates with cylinder 62 terminal surface to be connected. One end of the first latch 63 far away from the connecting rod 64 and one end of the second latch 65 near the connecting rod 64 are fixedly connected with a counterweight 17. In-process that the commodity circulation platform truck went on slope fast, the gyro wheel 8 rotates fast and drives cylinder 62 and rotate fast, balancing weight 17 drives first fixture block 63 and swings to latch 69 under the effect of centrifugal force, first fixture block 63 drives connecting rod 64 and promotes second fixture block 65 to latch 69, second fixture block 65 drives telescopic link 66 and inserts in the telescope tube 67, stripper plate 19 extrudees spacing spring 68, first fixture block 63 and second fixture block 65 card are gone into in latch 69, cylinder 62 stall leads to transmission shaft 15 stall, the realization is to the speed limit of commodity circulation platform truck, further promote the security of commodity circulation platform truck. In the normal running process of the trolley, the limiting spring 68 pushes the second clamping block 65, so that the second clamping block 65 is prevented from driving the first clamping block 63 to be clamped into the clamping tooth 69 to influence normal use.
The implementation principle of the logistics trolley for improving the safety of the embodiment of the application is as follows: when the logistics trolley is pushed to ascend a slope, the poking block 77 is poked to control the steering of the roller 8 and push the logistics trolley to ascend the slope, when an accident happens, the logistics trolley moves downwards along the slope, the pawl 72 or the contact block 73 abuts against the ratchet on the ratchet wheel 71, the ratchet wheel 71 stops rotating, and the logistics trolley is stopped suddenly on the slope. When the logistics trolley descends, if the speed of the logistics trolley is too high, the first clamping block 63 and the second clamping block 65 are clamped in the clamping teeth 69 due to the fact that the rotating speed of the roller 62 is too high, the speed of the logistics trolley is limited, and the safety of the logistics trolley is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a promote logistics trolley of security, includes bottom plate (1) and sets up installing frame (2) on bottom plate (1), fixed connection protection network (3), its characterized in that on installing frame (2) inner wall: a speed limiting component (6) used for reducing the speed of the trolley is arranged on one surface of the bottom plate (1) far away from the mounting frame (2); install frame (2) are kept away from in bottom plate (1) and are equipped with universal wheel (5) in the one side, universal wheel (5) are provided with a plurality ofly, and are a plurality of universal wheel (5) are arranged in bottom plate (1) length direction one end, universal wheel (5) one end is kept away from in bottom plate (1) is equipped with mounting bracket (14), mounting bracket (14) are along bottom plate (1) width direction interval a plurality ofly, every all rotate on mounting bracket (14) and be connected with gyro wheel (8), be equipped with scram subassembly (7) that are used for realizing gyro wheel (8) scram on mounting bracket (14).
2. A trolley for improving safety as claimed in claim 1, wherein: the emergency stop assembly (7) comprises a ratchet wheel (71) and a pawl (72), wherein the ratchet wheel (71) and the pawl (72) are coaxially arranged with the roller (8) and are rotatably connected to the mounting frame (14), the pawl (72) abuts against the ratchet teeth of the ratchet wheel (71), and multiple groups of ratchet wheels (71) and pawls (72) are arranged corresponding to the roller (8).
3. A trolley for improving safety as claimed in claim 2, wherein: ratchet (71) one end fixedly connected with is kept away from in pawl (72) and is used for butt contact block (73) of butt ratchet (71) ratchet, first spring (74) of fixedly connected with is kept away from in pawl (72) one side, pawl (72) one end and mounting bracket (14) fixed connection are kept away from in first spring (74), fixedly connected with second spring (75) is kept away from in pawl (72) one side in butt contact block (73), butt contact block (73) one end and mounting bracket (14) fixed connection are kept away from in second spring (75), be equipped with switching-over block (76) in pawl (72) and the clearance of butt contact block (73), it is connected with stirring block (77) to rotate on mounting bracket (14), stirring block (77) runs through mounting bracket (14) and switching-over block (76) fixed connection.
4. A trolley for improving safety as claimed in claim 1, wherein: the speed limiting assembly comprises a roller (8), a transmission shaft (15) and a plurality of rollers (8), wherein the transmission shaft (15) is coaxially and fixedly connected with the rollers, the speed limiting assembly (6) comprises a connecting seat (61) fixedly connected to one surface, far away from the mounting frame (2), of the bottom plate (1) and a roller (62) rotatably connected with the connecting seat (61), inserting holes (18) are formed in two ends of the connecting seat (61) in the length direction, clamping teeth (69) are arranged on the inner wall of each inserting hole (18), the roller (62) is inserted into each inserting hole (18), the axis of the roller (62) is parallel to the axis of the transmission shaft (15), and chain wheels (16) are coaxially and fixedly connected onto the roller (62) and the transmission shaft (15);
roller (62) axis direction both ends terminal surface is gone up to rotate and is connected with first fixture block (63), first fixture block (63) length direction one end is rotated and is connected with connecting rod (64), connecting rod (64) are kept away from first fixture block (63) one end and are rotated and be connected with second fixture block (65), second fixture block (65) are rotated with roller (62) and are connected with telescopic link (66), the cover is equipped with limiting spring (68) on telescopic link (66), limiting spring (68) interpolation is equipped with telescopic sleeve (67), telescopic link (66) are inserted and are established in telescopic sleeve (67), telescopic sleeve (67) rotate with roller (62) and are connected.
5. A trolley for improving safety as claimed in claim 4, wherein: fixedly connected with stripper plate (19) on telescopic link (66) outer wall, fixedly connected with baffle (20) on telescopic sleeve (67) lateral wall, spacing spring (68) length direction one end offsets with stripper plate (19), the other end with baffle (20) offset.
6. A trolley for improving safety as claimed in claim 4, wherein: and a balancing weight (17) is arranged at one end of the first clamping block (63) far away from the connecting rod (64) and one end of the second clamping block (65) close to the connecting rod (64).
7. A trolley for improving safety as claimed in claim 1, wherein: the damping spring (12) is vertically arranged on the bottom plate (1), the damping springs (12) are arranged at intervals, the supporting plate (9) is arranged at one end, away from the bottom plate (1), of each damping spring (12), and the mounting frame (2) is fixedly connected with the supporting plate (9).
8. A trolley for improving safety as claimed in claim 7, wherein: each damping spring (12) is internally inserted with a guide post (13), and the guide posts (13) are fixedly connected with the bottom surface of the bearing plate (9).
9. A trolley for improving safety as claimed in claim 7, wherein: damping spring (12) are close to bottom plate (1) one end and are equipped with supporting seat (10), supporting seat (10) and bottom plate (1) fixed connection, damping spring (12) are close to a pot head of bearing board (9) and are equipped with and support cover (11), support cover (11) and bearing board (9) and be close to bottom plate (1) one side fixed connection.
10. A trolley for improving safety as claimed in claim 1, wherein: a plurality of reinforcing ribs (4) are arranged in the mounting frame (2), and the protective net (3) is fixedly connected with the reinforcing ribs (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805909.XA CN111959572A (en) | 2020-08-12 | 2020-08-12 | Logistics trolley with safety improving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805909.XA CN111959572A (en) | 2020-08-12 | 2020-08-12 | Logistics trolley with safety improving function |
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| Publication Number | Publication Date |
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| CN111959572A true CN111959572A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010805909.XA Pending CN111959572A (en) | 2020-08-12 | 2020-08-12 | Logistics trolley with safety improving function |
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| Country | Link |
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| CN (1) | CN111959572A (en) |
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Application publication date: 20201120 |