CN113277259B - Safe steel short-distance carrying device - Google Patents
Safe steel short-distance carrying device Download PDFInfo
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- CN113277259B CN113277259B CN202110648991.4A CN202110648991A CN113277259B CN 113277259 B CN113277259 B CN 113277259B CN 202110648991 A CN202110648991 A CN 202110648991A CN 113277259 B CN113277259 B CN 113277259B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/12—Load carriers, e.g. hooks, slings, harness, gloves, modified for load carrying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/0217—Elongated
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Abstract
The invention aims to provide a safe steel short-distance carrying device, which can effectively solve the safety problem of cutting or smashing during the carrying process of a worker on a steel bar; the technical scheme includes that the device comprises a flat plate which is horizontally placed, a vertical rod is fixed on each of the left side and the right side of the upper end face of the flat plate, a rectangular rod is arranged between the two vertical rods, a rotating shaft is arranged in each vertical rod, a cylinder is sleeved at the lower end of the rotating shaft and located on the lower side of the flat plate, a flat rod is fixed at the lower end of the cylinder, a vertical rod is arranged on the cylinder, a rectangular block is fixed at the upper end of each vertical rod, a wedge block is arranged in each rectangular block, one end, away from the vertical rod, of each wedge block is an inclined surface, an extrusion block is arranged in each rectangular block, each extrusion block is arranged above the wedge block, and each extrusion block is in contact with the inclined surface of the wedge block; the steel shovel is ingenious in structure, steel is shoveled into a closed space formed among the flat plate, the rotating shaft, the cylinder and the flat rod through the flat rod and is clamped by the flat rod and the flat plate, so that workers do not need to contact the steel, and the steel bars can be prevented from falling off.
Description
Technical Field
The invention relates to steel conveying, in particular to a safe steel short-distance conveying device.
Background
In the production process of a heavy industry enterprise, the safety of workers is put at the head. As materials in heavy industry enterprises are mostly steel, long-distance supporting and conveying needs to be carried out on a vehicle, and short-distance supporting and conveying are mostly completed by workers.
There are two methods of existing short haul:
according to the first method, a worker carries gloves and carries the steel material by hands, and the steel material is carried by hands, so that the carrying difficulty is increased for the worker; in the carrying process, the edges and the surfaces of the steel materials have burrs, so that the palms of workers are easily stabbed, and the safety of the workers cannot be guaranteed;
clamping the steel from two sides of the steel by using a clamp, then lifting the clamp by a worker for carrying, clamping the steel from the two sides by using the clamp, and easily dropping the steel from the lower side of the clamp to injure the worker; in heavy industry, the steel materials are in a variety of forms, such as: t shaped steel, round steel, square steel, L are just etc. and the clamp is got the shape and is limited, and irregular steel such as T shaped steel and L shaped steel is got with the clamp and is got more difficult, and drops very easily, influences work efficiency promptly and has the potential safety hazard again.
Disclosure of Invention
In view of the above situation, the present invention provides a short-distance steel conveying device for safety, which can effectively solve the safety problem of cutting or smashing during the process of conveying steel bars by workers.
The technical scheme includes that the device comprises a flat plate which is horizontally placed, a vertical rod is respectively fixed on the left side and the right side of the upper end surface of the flat plate, a horizontally placed rectangular rod is arranged between the two vertical rods, the two ends of the rectangular rod are respectively fixedly connected with the vertical rods, a rotatable rotating shaft is respectively arranged in the two vertical rods, the two rotating shafts are vertically placed and synchronously rotate, the lower ends of the rotating shafts extend out of the lower end surface of the flat plate, a coaxial cylinder is respectively sleeved at the lower ends of the two rotating shafts, the cylinder is positioned on the lower side of the flat plate and can rotate along with the rotating shafts, the cylinders can move up and down along the rotating shaft, the lower ends of the two cylinders are respectively fixed with a horizontal flat bar which can scoop up steel, the rotating shaft drives the flat bars to rotate inwards through the cylinders, after the flat bars rotate inwards, a closed space can be formed among the flat plate, the rotating shaft, the cylinder and the flat rod, and the rotating shaft can be fixed after the closed space is formed; the rotating shaft can be rotated and reset after being released from the fixing;
the pole setting is equipped with to the outer fringe of drum, the pole setting can only reciprocate along with the drum, the flat board is passed to the pole setting upper end, the upper end of pole setting is fixed with the rectangular block, the rectangular block can reciprocate along with the pole setting simultaneously, the wedge is equipped with in the rectangular block, the wedge can be visited out the rectangular block and with adjacent montant laminating, the one end that the montant was kept away from to the wedge is the inclined plane, the inclined plane slope is upwards, extrusion block is equipped with in the rectangular block, extrusion block arranges the top of wedge in, extrusion block and wedge's inclined plane contact, rectangular block rebound can drive wedge and extrusion block rebound, extrusion block does not extrude the inclined plane, the rectangular block can drive extrusion block extrusion slope downwards, the wedge can't follow montant rebound, the wedge prevents the rectangular block rebound, relieve extrusion block after to the wedge, the wedge can follow montant rebound, and the extrusion block rebound.
The two ends of the rectangular rod are provided with front and rear through sunk grooves, straight rods in the front and rear directions are respectively arranged at the bottoms of the two sunk grooves, the front ends of the two straight rods are connected through a round rod, the round rod is positioned on the front side of the rectangular rod and drives the two straight rods to move backwards at the same time, a sector gear is arranged at the upper end of the rotating shaft and is arranged in the sunk grooves, tooth grooves are formed in the two straight rods, the sector gear is meshed with the tooth grooves, and the straight rods drive the rotating shaft to rotate through the tooth grooves and the sector gear; the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is fixed on the rotating shaft, the other end of the torsion spring is fixed on a vertical rod, and the torsion spring enables the rotating shaft to rotate and reset.
The outer edge of the lower end of the rotating shaft is provided with a flat key, the flat key is positioned on the lower side of the flat plate, a notch matched with the flat key is formed in the cylinder, and the rotating shaft enables the cylinder to rotate along with the rotating shaft through the flat key.
The two flat rods are rectangular rods, the opposite surfaces of the two flat rods are inclined surfaces, the inclined surfaces incline upwards, and the flat rods can shovel steel materials through the inclined surfaces.
The two cylinders are respectively sleeved with a rotating ring, the rotating rings can rotate and move up and down on the cylinders, and the rotating rings are arranged above the flat rods;
the outer edge of each rotating ring is fixedly provided with a horizontally arranged stress rod, each stress rod is a square rod, one end of each stress rod, which is far away from the rotating ring, is fixedly provided with a clamping block, the opposite surface of each clamping block is an arc surface, and the arc surface is made of a rubber layer with large friction force;
the cylinder is sleeved with a spring, the upper end of the spring is fixed on the cylinder, the lower end of the spring is in contact with and not fixed with the rotating ring, and the rotating ring moves downwards and can be in contact with the flat rod;
the opposite surfaces of the two clamping blocks are inclined surfaces, the inclined surfaces incline downwards, the inclined surfaces on the flat rod can be attached to the inclined surfaces on the clamping blocks, the flat rod can push the clamping blocks to rotate and move upwards through the inclined surfaces, a vertically placed cylinder is arranged in the middle of the stress rod, the lower end surface of the cylinder is flush with the lower end surface of the clamping blocks, the cylinder is not in contact with the inclined surfaces of the flat rod, the outer edge of the lower end of the cylinder is provided with a sector block, the upper end surface of the sector block is flush with the upper end surface of the flat rod, the sector block is in contact with one side, far away from the inclined surfaces, of the flat rod, and the lower end surface of the cylinder can be arranged on the upper end surfaces of the sector block;
when the spring downwards extrudes the rotating ring and the rotating ring moves downwards to be contacted with the flat rods, the lower end surface of the clamping block can be flush with the lower end surface of the cylinder, and the clamping block is arranged on the inner sides of the two flat rods; when the cylinder drives the flat rod to rotate inwards, the flat rod can push the clamping block through the inclined surface to enable the arc surface to be in close contact with the steel, the flat rod pushes the clamping block to move upwards through the inclined surface, the clamping block can clamp the steel and lift upwards, and after the inclined surface on the flat rod is separated from the inclined surface on the clamping block, the steel falls on the inclined surface on the flat rod until the steel is arranged above the flat rod, and the clamping block is arranged on the upper side of the flat rod; when the cylinder drives the flat rod to rotate outwards, the stop rod prevents the stress rod from rotating along with the flat rod, and after the flat rod rotates outwards, the spring pushes the rotating ring to move downwards, the clamping block moves downwards, and the inclined plane on the flat rod can be attached to the inclined plane on the clamping block.
The lower ends of the two upright posts are respectively provided with a circular ring, the circular rings are sleeved on the circular cylinder, the circular cylinder can rotate in the circular rings, the outer edge of the upper end of the circular cylinder is provided with two baffle rings which are arranged up and down, the circular rings are arranged between the two baffle rings, the baffle rings prevent the circular rings from sliding up and down on the outer edge of the circular cylinder, the circular cylinder moves up and down and drives the upright posts to move up and down through the circular rings, the flat plate is provided with through holes, and the upright posts penetrate through the through holes and can only move up and down along the through holes;
the outer edge of each ring is fixedly provided with a vertically arranged stop lever, the stop levers are arranged on the outer sides of the two stress rods, the stop levers move up and down along with the vertical rods, the stop levers prevent the stress rods from rotating outwards, and the clamping blocks are arranged on the inner sides of the flat rods.
The end faces of the circular ring and the baffle ring are respectively provided with a limiting hole, a limiting rod in the vertical direction is fixed on the lower end face of the flat plate, the limiting holes in the circular ring are all arranged under the limiting rods, when the limiting holes in the baffle ring are not screwed under the limiting rods, the limiting rods cannot be inserted into the limiting holes, the limiting rods can prevent the cylinder from moving upwards, after the limiting holes in the baffle ring are screwed under the limiting rods, the limiting rods are inserted into the limiting holes in the circular ring and the baffle ring, and after the limiting rods are inserted into the limiting holes, the cylinder stops rotating;
during the rotation of the cylinder, the limiting rod is in contact with the baffle ring, and the limiting rod cannot be inserted into the limiting hole, so that the limiting rod can prevent the cylinder from moving upwards, after the limiting hole on the baffle ring rotates to the position under the limiting rod, the cylinder can move upwards relative to the rotating shaft, the limiting rod is inserted into the abdicating hole to prevent the cylinder from rotating, and then the rotating shaft is prevented from rotating.
The two rectangular blocks are fixed through a connecting rod;
the side surfaces of the two rectangular blocks, which are close to the vertical rod, are provided with horizontal sunken grooves, the wedge blocks are arranged in the sunken grooves, a certain moving space is formed in the wedge blocks in the sunken grooves in the vertical direction, and the wedge blocks are attached to the vertical rod through the sunken grooves; the upper end face of the rectangular block is provided with a vertical groove, the vertical groove is communicated with the sinking groove, the extrusion block is arranged in the vertical groove, the extrusion block is a rectangular block, the upper end face of the extrusion block is parallel to the upper end face of the rectangular block, the lower end of the extrusion block is an inclined face, and the inclined face of the lower end face of the extrusion block is attached to the inclined face on the wedge-shaped block;
the upper end surfaces of the two rectangular blocks are respectively fixed with a limiting block, a through hole in the horizontal direction is formed in each limiting block, a pin which can only move horizontally is arranged in each through hole, a spring is sleeved on each pin, one end of each spring is fixed on each limiting block, the other end of each spring is fixed on each pin, and each spring can push each pin to move above the corresponding extrusion block and to contact with the upper end surface of the corresponding extrusion block, so that the corresponding extrusion block 22 is fixed;
a pull rope is connected between the two pins far away from the extrusion block and is fixed at one end of each pin far away from the extrusion block;
when the rectangular block moves upwards, the wedge block pushes the extrusion block to move upwards through the inclined surface, and the gravity of the extrusion block is not enough to extrude the wedge block to prevent the rectangular block from moving upwards; when the extrusion block moves downwards along with the rectangular block, the pin enables the extrusion block to extrude the wedge block, so that the wedge block is in close contact with the vertical rod and cannot move downwards along the vertical rod, and the wedge block prevents the rectangular block from moving downwards through the extrusion block.
A spring is fixed on the end face of the bottom of the horizontal sinking groove, the spring is in contact with and not fixed to the wedge-shaped block, the spring enables the wedge-shaped block to be in contact with the vertical rod all the time, and the wedge-shaped block is not prevented from moving up and down along the vertical rod;
a vertically arranged spring is fixed on the upper end face in the horizontal sinking groove, the upper end face of the wedge-shaped block is a plane, the upper end face of the wedge-shaped block is parallel to the upper end face of the sinking groove, the lower end of the spring is in contact with and not fixed with the upper end face of the wedge-shaped block, and the spring can push the wedge-shaped block to move downwards;
when the pin is separated from the extrusion block, the rectangular block moves downwards, the extrusion block does not apply extrusion force to the wedge block any more, the spring at the bottom of the sinking groove enables the wedge block and the vertical rod to be relatively static, and the spring on the upper end face in the sinking groove can push the wedge block to move downwards in the downward moving process of the rectangular block; the spring of upper side in the heavy groove can prevent that the wedge from promoting the extrusion piece rebound, makes the pin unable to be arranged in the extrusion piece top, and the extrusion piece can't be fixed.
The steel shovel is ingenious in structure, steel is shoveled into a closed space formed among the flat plate, the rotating shaft, the cylinder and the flat rod through the flat rod and is clamped by the flat rod and the flat plate, so that workers do not need to contact the steel, and the steel bars can be prevented from falling off.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is an enlarged view of the invention at a.
FIG. 6 is a top cross-sectional view B-B of the present invention.
FIG. 7 is a top cross-sectional view of C-C of the present invention.
FIG. 8 is a top cross-sectional view of the invention D-D.
FIG. 9 is a view of the cylinder, flat bar and clamp block of the present invention in combination.
Fig. 10 is a visual view of the cylinder and its connection of the present invention.
FIG. 11 is a pictorial view of the clamping blocks and their connection of the present invention.
Figure 12 is a pictorial view of the upright and the ring of the present invention.
Fig. 13 is a top view of the invention in the operating state of fig. 8.
Fig. 14 is a front view of the working state of fig. 13 according to the present invention.
Fig. 15 is an assembly view of the invention in the operating condition of fig. 9.
Fig. 16 is a top view of the underside of the panel of the invention in an operative condition.
Fig. 17 is a front view of the invention in the operating state of fig. 1.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in figures 1 to 17, the steel plate comprises a flat plate 1 which is horizontally placed, wherein a vertical rod 3 is fixed on each of the left side and the right side of the upper end face of the flat plate 1, a horizontally placed rectangular rod 2 is arranged between the two vertical rods 3, the two ends of the rectangular rod 2 are respectively fixedly connected with the vertical rods 3, a rotating shaft 5 capable of rotating is arranged in each of the two vertical rods 3, the two rotating shafts 5 are vertically placed and synchronously rotate, the lower end of each rotating shaft 5 extends out of the lower end face of the flat plate 1, a coaxial cylinder 6 is sleeved on the lower end of each rotating shaft 5, the cylinder 6 is positioned on the lower side of the flat plate 1, the cylinder 6 can rotate along with the rotating shaft 5, the cylinder 6 can move up and down along the rotating shaft 5, a horizontally placed flat rod 7 is fixed on the lower end of each cylinder 6, the flat rod 7 can scoop steel materials, the rotating shaft 5 drives the flat rod 7 to rotate inwards through the cylinder 6, and after the flat rod 7 rotates inwards, the flat plate 1, the rotating shafts 5 and the rotating shafts 5, A closed space can be formed between the cylinder 6 and the flat rod 7, and the rotating shaft 5 can be fixed after the closed space is formed; the rotating shaft 5 can be rotated and reset after being released from the fixing;
the outer edge of the cylinder 6 is provided with an upright rod 8, the upright rod 8 can only move up and down along with the cylinder 6, the upper end of the upright rod 8 penetrates through the flat plate 1, the upper end of the upright rod 8 is fixed with a rectangular block 9, the rectangular block 9 can simultaneously move up and down along with the upright rod 8, a wedge block 10 is arranged in the rectangular block 9, the wedge block 10 can extend out of the rectangular block 9 and is attached to an adjacent upright rod 3, one end, away from the upright rod 3, of the wedge block 10 is an inclined plane, the inclined plane inclines upwards, an extrusion block 22 is arranged in the rectangular block 9, the extrusion block 22 is arranged above the wedge block 10, the extrusion block 22 is in contact with the inclined plane of the wedge block 10, the upward movement of the rectangular block 9 can drive the wedge block 10 and the extrusion block 22 to move upwards, the extrusion block 22 does not extrude the inclined plane, the rectangular block 9 can drive the extrusion block 22 to extrude the inclined plane downwards, the wedge block 10 cannot move downwards along the upright rod 3, the wedge block 10 prevents the rectangular block 9 from moving downwards, after the extrusion of the extrusion block 22 on the wedge block 10 is released, the wedge block 10 can move downwards along the vertical rod 3, and the wedge block 10 does not push the extrusion block to move upwards.
Two ends of the rectangular rod 2 are provided with front and rear through sunk grooves, straight rods 4 in the front and rear directions are respectively arranged at the bottoms of the two sunk grooves, the front ends of the two straight rods 4 are connected through a round rod 11, the round rod 11 is positioned at the front side of the rectangular rod 2, the round rod 11 drives the two straight rods 4 to move backwards simultaneously, a sector gear 12 is arranged at the upper end of the rotating shaft 5, the sector gear 12 is arranged in the sunk grooves, tooth grooves 13 are formed in the two straight rods 4, the sector gear 12 is meshed with the tooth grooves 13, and the straight rods 4 drive the rotating shaft 5 to rotate through the tooth grooves 13 and the sector gear 12; the rotating shaft 5 is sleeved with a torsion spring 14, one end of the torsion spring 14 is fixed on the rotating shaft 5, the other end of the torsion spring 14 is fixed on the vertical rod 3, and the torsion spring 14 enables the rotating shaft 5 to rotate and reset.
The outer edge of the lower end of the rotating shaft 5 is provided with a flat key 15, the flat key 15 is positioned on the lower side of the flat plate 1, a notch matched with the flat key 15 is formed in the cylinder 6, and the rotating shaft 5 enables the cylinder 6 to rotate along with the rotating shaft 5 through the flat key 15.
The two flat rods 7 are rectangular rods, opposite surfaces of the two flat rods 7 are inclined surfaces, the inclined surfaces incline upwards, and the flat rods 7 can shovel steel through the inclined surfaces.
The two cylinders 6 are respectively sleeved with a rotating ring 19, the rotating rings 19 can rotate and move up and down on the cylinders 6, and the rotating rings 19 are arranged above the flat rods 7;
a horizontally arranged stress rod 20 is fixed on the outer edge of each rotating ring 19, the stress rods 20 are square rods, one end of each stress rod 20, which is far away from the rotating ring 19, is fixed with a clamping block 21, the opposite surface of each clamping block 21 is an arc surface, and the arc surface is made of a rubber layer with large friction force;
a spring is sleeved on the cylinder 6, the upper end of the spring is fixed on the cylinder 6, the lower end of the spring is in contact with and not fixed to the rotating ring 19, and the rotating ring 19 moves downwards and can be in contact with the flat rod 7;
the opposite surfaces of the two clamping blocks 21 are inclined surfaces, the inclined surfaces are inclined downwards, the inclined surfaces on the flat rod 7 can be attached to the inclined surfaces on the clamping blocks 21, the flat rod 7 can push the clamping blocks 21 to rotate and move upwards through the inclined surfaces, the middle part of the stress rod 20 is provided with a vertically-arranged cylinder 26, the lower end surface of the cylinder 26 is flush with the lower end surface of the clamping blocks 21, the cylinder 26 is not in contact with the inclined surfaces of the flat rod 7, the outer edge of the lower end of the cylinder 6 is provided with a sector block 28, the upper end surface of the sector block 28 is flush with the upper end surface of the flat rod 7, the sector block 28 is in contact with one side of the flat rod 7, which is far away from the inclined surfaces, and the lower end surface of the cylinder 26 can be arranged on the upper end surface of the sector block 28;
when the spring presses the rotating ring 19 downwards and the rotating ring 19 moves downwards to be contacted with the flat rods 7, the lower end surface of the clamping block 21 can be flush with the lower end surface of the cylinder 6, and the clamping block 21 is arranged on the inner sides of the two flat rods 7; when the cylinder 6 drives the flat rod 7 to rotate inwards, the flat rod 7 can push the clamping block 21 through the inclined surface to enable the arc surface to be in close contact with steel, the flat rod 7 pushes the clamping block 21 to move upwards through the inclined surface, the clamping block 21 can clamp the steel to be lifted upwards, and after the inclined surface on the flat rod 7 is separated from the inclined surface on the clamping block 21, the steel falls on the inclined surface on the flat rod 7 until the steel is arranged above the flat rod 7, and the clamping block 21 is arranged on the upper side of the flat rod 7; when the cylinder 6 drives the flat rod 7 to rotate outwards, the stop lever 27 prevents the stress rod 20 from rotating along with the flat rod 7, and after the flat rod 7 rotates outwards, the spring pushes the rotating ring 19 to move downwards, the clamping block 21 moves downwards, and the inclined surface on the flat rod 7 can be attached to the inclined surface on the clamping block 21.
The lower ends of the two upright posts 8 are respectively provided with a circular ring 17, the circular rings 17 are sleeved on the circular cylinder 6, the circular cylinder 6 can rotate in the circular rings 17, the outer edge of the upper end of the circular cylinder 6 is provided with two baffle rings 18 which are arranged up and down, the circular ring 17 is arranged between the two baffle rings 18, the baffle rings 18 prevent the circular rings 17 from sliding up and down on the outer edge of the circular cylinder 6, the circular cylinder 6 moves up and down and drives the upright posts 8 to move up and down through the circular rings 17, the flat plate 1 is provided with through holes, and the upright posts 8 penetrate through the through holes and can only move up and down along the through holes;
a stop lever 27 which is vertically arranged is fixed on the outer edge of each circular ring 17, the stop lever 27 is arranged on the outer side of the two stress rods 20, the stop lever 27 moves up and down along with the vertical rod 8, the stop lever 27 prevents the stress rods 20 from rotating outwards, and the clamping block 21 is arranged on the inner side of the flat rod 7.
The end surfaces of the circular ring 17 and the baffle ring 18 are respectively provided with a limiting hole, a limiting rod 16 in the vertical direction is fixed on the lower end surface of the flat plate 1, the limiting holes in the circular ring 17 are always arranged under the limiting rod 16, when the limiting holes in the baffle ring 18 are not screwed under the limiting rod 16, the limiting rod 16 cannot be inserted into the limiting holes, the limiting rod 16 can prevent the cylinder 6 from moving upwards, after the limiting holes in the baffle ring 18 are screwed under the limiting rod 16, the limiting rod 16 is inserted into the limiting holes in the circular ring 17 and the baffle ring 18, and the cylinder 6 stops rotating after the limiting rod 16 is inserted into the limiting holes;
during the rotation of the cylinder 6, the limiting rod 16 contacts the stop ring 18, and the limiting rod 16 cannot be inserted into the limiting hole, so that the limiting rod 16 can prevent the cylinder 6 from moving upwards, after the limiting hole on the stop ring 18 rotates to the position under the limiting rod 16, the cylinder 6 can move upwards relative to the rotating shaft 5, and the limiting rod 16 is inserted into the yielding hole to prevent the cylinder 6 from rotating, so that the rotating shaft 5 is prevented from rotating.
The two rectangular blocks 9 are fixed through connecting rods;
the side surfaces, close to the vertical rod 3, of the two rectangular blocks 9 are provided with horizontal sunken grooves, the wedge blocks 10 are arranged in the sunken grooves, a certain moving space can be formed in the wedge blocks 10 in the sunken grooves in the vertical direction, and the wedge blocks 10 are attached to the vertical rod 3 through the sunken grooves; the upper end face of the rectangular block 9 is provided with a vertical groove which is communicated with the sinking groove, the extrusion block 22 is arranged in the vertical groove, the extrusion block 22 is a rectangular block, the upper end face of the extrusion block 22 is parallel to the upper end face of the rectangular block 9, the lower end of the extrusion block 22 is an inclined face, and the inclined face of the lower end face of the extrusion block 22 is attached to the inclined face on the wedge-shaped block 10;
the upper end surfaces of the two rectangular blocks 9 are respectively fixed with a limiting block 23, the limiting blocks 23 are provided with through holes in the horizontal direction, a pin 24 which can only move horizontally is arranged in each through hole, a spring is sleeved on each pin 24, one end of each spring is fixed on each limiting block 23, the other end of each spring is fixed on each pin 24, and each spring can push each pin 24 to move above the corresponding extrusion block 22 and contact with the upper end surface of the corresponding extrusion block 22 to fix the corresponding extrusion block 22;
a pull rope 25 is connected between the two pins 24 far away from the extrusion block 22, and the pull rope 25 is fixed at one end of the pin 24 far away from the extrusion block 22;
when the rectangular block 9 moves upwards, the wedge block 10 pushes the extrusion block 22 to move upwards through the inclined surface, and the gravity of the extrusion block 22 is not enough to extrude the wedge block 10 to prevent the rectangular block 9 from moving upwards; when the rectangular block 9 moves downwards, the wedge block 10 can better extrude the wedge block 10 by the extrusion block 22 through the moving space in the sinking groove, so that the wedge block 10 is in close contact with the vertical rod 3, the wedge block 10 cannot move downwards along the vertical rod 3, and the wedge block 10 prevents the rectangular block 9 from moving downwards through the extrusion block 22.
A spring is fixed on the end face of the bottom of the horizontal sinking groove, the spring is in contact with and not fixed with the wedge block 10, the spring enables the wedge block 10 to be in contact with the vertical rod 3 all the time, and the wedge block 10 is not prevented from moving up and down along the vertical rod 3;
a vertically arranged spring is fixed on the upper end face in the horizontal sinking groove, the upper end face of the wedge block 10 is a plane, the upper end face of the wedge block 10 is parallel to the upper end face of the sinking groove, the lower end of the spring is in contact with and not fixed with the upper end face of the wedge block 10, and the spring can push the wedge block 10 to move downwards;
when the pin 24 is separated from the extrusion block 22, the rectangular block 9 moves downwards, the extrusion block 22 does not apply extrusion force to the wedge block 10 any more, the spring at the bottom of the sinking groove enables the wedge block 10 and the vertical rod 3 to be relatively static, and the spring on the upper end face in the sinking groove can push the wedge block 10 to move downwards in the process that the rectangular block 9 moves downwards; the spring above the slot can prevent the wedge 10 from pushing the extrusion block 22 to move upwards, so that the pin 24 cannot be arranged above the extrusion block 22, and the extrusion block 22 cannot be fixed.
The initial state before the work of the invention is that two flat rods 7 are placed back and forth under the action of the torsion spring 14, the spring downwardly extrudes the rotating ring 19 to enable the rotating ring 19 to move downwardly to be contacted with the flat rods 7, the inclined plane on the flat rods 7 is attached to the inclined plane on the clamping block 21, the clamping block 21 is placed on the inner sides of the two flat rods 7, the round rod 11 is far away from the rectangular rod 2 under the action of the torsion spring 14, the limiting rod 16 is separated from the limiting hole, and the pin 24 above the rectangular block 9 is placed above the extruding block 22;
when the clamping device is used for clamping, taking steel placed on the ground as an example, the steel is placed between two flat rods 7 which are placed in front and at the back, so that the lower end surface of a cylinder 6 is flush with the ground;
the rectangular rod 2 is held by hand, the round rod 11 is manually close to the rectangular rod 2, the round rod 11 drives the straight rod 4 to move backwards, the tooth groove 13 on the straight rod 4 drives the rotating rod to rotate through the sector gear 12, the rotating shaft 5 drives the cylinder 6 to simultaneously rotate through the flat key 15, and the flat rod 7 rotates inwards along with the cylinder 6;
when the rotating shaft 5 rotates, the limiting rod 16 cannot be inserted into the limiting hole, and the limiting rod 16 can prevent the cylinder 6 from moving upwards, so that the rotating shaft 5 is more stable in the rotating process;
in the process that the rotating shaft 5 drives the cylinder 6 to rotate, the flat rod 7 firstly pushes the clamping block 21 to rotate inwards through the inclined plane, and when the flat rod rotates inwards, the spring bears a downward force applied to the clamping block 21 by the force rod 20, the downward force of the spring can prevent the flat rod 7 from easily pushing the clamping block 21 to move upwards through the inclined plane, so that the flat rod 7 pushes the clamping block 21 to clamp steel through the arc surface on the clamping block 21;
after the steel is clamped by the arc surface, the rubber layer cannot easily slide off when clamping the steel because the arc surface on the clamping block 21 is made of a rubber layer with large friction force, the clamping block 21 enables the steel to be clamped and does not slide off, the flat rod 7 pushes the clamping block 21 to move upwards through the inclined surface, and the clamping block 21 clamps the steel to lift upwards until the inclined surface on the flat rod 7 is separated from the inclined surface on the clamping block 21;
when the inclined plane on the flat rod 7 is separated from the inclined plane on the clamping block 21, the flat rod 7 does not provide inward rotating force for the clamping block 21 any more, steel falls on the inclined plane on the flat rod 7 due to gravity, the flat rod 7 continues to rotate inward along with the cylinder 6, the steel prevents the clamping block 21 from rotating inward, the cylinder 26 moves onto the fan-shaped block 28 when the flat rod 7 rotates inward, and the clamping block 21 is placed above the flat rod 7 along with the cylinder 26 because the upper end face of the fan-shaped block 28 is flush with the upper end face of the flat plate;
after the flat bar 7 rotates inwards, the limiting hole on the baffle ring 18 is positioned right below the limiting rod 16, the steel is arranged above the flat bar 7, and the flat bar 7 supports the steel to prevent the steel from falling off from the lower side;
when the flat rod 7 rotates inwards to form a closed space, steel is arranged above the flat rod 7, the limiting hole in the baffle ring 18 is positioned right below the limiting rod 16, at the moment, the rectangular rod 2 is pressed downwards, the flat plate 1 moves downwards along with the rectangular rod 2, the rotating shaft 5 moves downwards along with the flat plate 1, and at the moment, the limiting rod 16 is inserted into the limiting holes in the baffle ring 18 and the circular ring 17 to prevent the cylinder 6 from rotating;
in the pressing process, the distance between the flat rod 7 and the flat plate 1 is reduced until the flat rod 7 and the flat plate 1 are in contact with steel to clamp the steel, and the steel can be lifted up through the rectangular rod 2 and the flat rod 7 after clamping;
when the rectangular rod 2 is pressed downwards, the rectangular block 9 moves upwards relative to the vertical rod 3, the rectangular block 9 pushes the wedge block 10 to move upwards, the wedge block 22 pushes the extrusion block 22 to move upwards through the inclined surface, when the extrusion block 22 moves upwards, the rectangular block 9 cannot apply downward force to the extrusion block 22, the extrusion block 22 only has the gravity of the extrusion block to extrude the wedge block 10 towards the vertical rod 3 through component force generated by the inclined surface, the extrusion block 22 extrudes the wedge block 10 and the wedge block 10 through a spring at the bottom of the sinking groove to enable the wedge block 10 to be attached to the vertical rod 3 to form friction force, and the generated maximum friction force is not enough to prevent the rectangular block 9 from moving upwards along the vertical rod 3;
when the steel material is lifted, the dead weight of the steel material can provide downward pressure for the flat rod 7, the flat rod 7 provides downward tension for the vertical rod 8 through the cylinder 6, the vertical rod 8 provides downward force for the rectangular block 9, the rectangular block 9 can drive the extrusion block 22 through the pin 24 to apply pressure to the wedge block 10, the wedge block 10 is tightly contacted with the vertical rod 3 through component force generated by the pressure through the inclined plane and generates upward friction force, the sum of the magnitude of the upward friction force formed between the wedge blocks 10 on the left side and the right side and the vertical rod 3 is equal to the gravity of the steel material, the wedge block 10 is prevented from sliding downwards, the rectangular block 9 cannot move downwards, the flat plate 1 and the flat rod 7 cannot change, and the steel material is always clamped by the flat plate 1 and the flat rod 7;
when the steel is lifted and transferred to a destination, the steel is suspended by the device, the pull rope 25 is pulled manually at the moment, the pin 24 is separated from the extrusion block 22 by the pull rope 25, the wedge block 10 is not applied with component force towards the direction of the vertical rod 3 by the rectangular block 9 through the inclined surface on the extrusion block 22, the friction force between the wedge block 10 and the vertical rod 3 is reduced, the friction force is smaller than the gravity of the steel at the moment, the downward gravity of the steel drives the vertical rod 8 to move downwards through the cylinder 6, and the vertical rod 8 drives the wedge block 10 to move downwards through the rectangular block 9;
because the wedge block 10 can have certain movement space in the sink groove in the up-and-down direction, and because the spring at the bottom of the sink groove makes the wedge block 10 and the vertical rod 3 attached to each other and have friction, at the moment when the rectangular block 9 starts to move, the wedge block does not move downwards along with the rectangular block 9, so that the wedge block 10 moves upwards for a certain distance relative to the horizontal sink groove to extrude the spring at the upper end of the wedge block, and meanwhile, the wedge block 10 can also push the extrusion block 22 upwards for a certain distance;
when the rectangular block 9 continues to move downwards, the wedge block 10 moves downwards along the vertical rod 3 along with the rectangular block 9 due to the blocking of the spring, and the wedge block 10 is connected with the vertical rod through the spring;
when the rectangular block 9 moves downwards to be in contact with the flat plate 1, the rectangular block 9 stops moving downwards, the spring above the inside of the sinking groove pushes the wedge block 10 to move downwards, so that the wedge block 10 is reset downwards, and meanwhile, the extrusion block 22 moves downwards along with the wedge block 10 under the action of gravity to reset;
when the rectangular block 9 moves downwards along with the flat rod 7, the limiting rod 16 is separated from the limiting hole, the limiting rod 16 does not prevent the cylinder 6 from rotating after the limiting rod 16 is separated from the limiting hole, the torsion spring 14 on the rotating shaft 5 can drive the rotating shaft 5 to rotate and reset, and meanwhile, the rotating shaft 5 drives the straight rod 4 to move forwards through the sector gear 12, so that the round rod 11 is far away from the rectangular rod 2;
in the process of resetting the rotating shaft 5, the rotating shaft 5 drives the cylinder 6 to rotate, a spring on the cylinder 6 always enables the rotating ring 19 to be subjected to the force of the force rod 20 to push the cylinder 26 to be in close contact with the sector 28, the close contact between the cylinder 26 and the sector 28 enables the force rod 20 to rotate along with the cylinder 6, the force rod 20 enables the extrusion block 21 to rotate outwards along with the cylinder 6, after the force rod 20 is in contact with the stop rod 27, the stop rod 27 prevents the force rod 20 from continuing to rotate outwards along with the cylinder, and the flat rod 7 continues to rotate outwards along with the cylinder 6;
when the flat rod 7 rotates outwards and is placed forwards and backwards, the spring can push the rotating ring 19 to move downwards, so that the clamping block 21 on the stress rod 20 moves downwards, after the downward movement, the inclined surface on the flat rod 7 can be attached to the inclined surface on the clamping block 21, and the clamping block 21 is positioned on the inner side of the flat rod 7;
after the flat bar 7 is separated from the steel, the steel falls to the ground;
after the invention is used, the pull rope 25 is loosened, and the pin 24 is placed above the extrusion block 22 under the action of the spring.
According to the invention, the round rod 11 is manually close to the rectangular rod 2, so that the flat rod 7 rotates inwards, and after the round rod 11 rotates, the round rod 11 does not need to be continuously exerted with moving force to the rectangular rod 2 by a hand, so that the operation is more convenient, and the burden of hand holding of workers is reduced.
According to the invention, through the matching of the limiting rod 16 and the limiting hole, when the limiting rod 16 is not arranged right above the limiting hole, the cylinder 6 can only rotate along with the rotating shaft 5 and can not move upwards, and only after the flat rod 7 rotates to the inner side, the limiting rod 16 is arranged right above the limiting hole, and the cylinder 6 can move upwards and downwards, so that the operation is more stable.
According to the invention, the steel is placed on the flat plate 1 after the flat rod 7 horizontally rotates, the flat rod 7 cannot swing up and down, the steel cannot fall off from the flat rod 7 to cause damage to workers, and the safety of the workers is ensured.
According to the invention, through the matching among the wedge-shaped block 10, the vertical rod 3, the extrusion block 22 and the rectangular block 9, after steel materials are clamped, the steel materials cannot be loosened due to the fact that the steel materials are heavier, and the safety of workers in the consignment process is ensured.
The invention does not use electrical equipment, and usually has more iron cuttings in places with more steel, the electrical equipment is easy to generate electrostatic adsorption iron cuttings, the electrical equipment can be damaged to a certain extent by the iron cuttings after long-time use, and meanwhile, the adsorbed iron cuttings can also scratch workers.
Claims (9)
1. A safe short-distance steel carrying device is characterized by comprising a flat plate (1) which is horizontally placed, wherein vertical rods (3) are respectively fixed on the left side and the right side of the upper end face of the flat plate (1), a horizontally placed rectangular rod (2) is arranged between the two vertical rods (3), two ends of the rectangular rod (2) are respectively and fixedly connected with the vertical rods (3), rotatable rotating shafts (5) are respectively arranged in the two vertical rods (3), the two rotating shafts (5) are vertically placed and synchronously rotate, the lower end of each rotating shaft (5) extends out of the lower end face of the flat plate (1), coaxial cylinders (6) are respectively sleeved at the lower ends of the two rotating shafts (5), the cylinders (6) are positioned on the lower side of the flat plate (1), the cylinders (6) can rotate along with the rotating shafts (5), the cylinders (6) can move up and down along the rotating shafts (5), flat rods (7) which are horizontally placed are respectively fixed at the lower ends of the two cylinders (6), the flat rod (7) can shovel steel, the rotating shaft (5) drives the flat rod (7) to rotate inwards through the cylinder (6), and after the flat rod (7) rotates inwards, a closed space can be formed among the flat plate (1), the rotating shaft (5), the cylinder (6) and the flat rod (7), and the rotating shaft (5) can be fixed after the closed space is formed; the rotating shaft (5) can be rotated and reset after being released from the fixing;
the outer edge of the cylinder (6) is provided with a vertical rod (8), the vertical rod (8) can only move up and down along with the cylinder (6), the upper end of the vertical rod (8) penetrates through the flat plate (1), the upper end of the vertical rod (8) is fixedly provided with a rectangular block (9), the rectangular block (9) can simultaneously move up and down along with the vertical rod (8), a wedge block (10) is arranged in the rectangular block (9), the wedge block (10) can stretch out the rectangular block (9) and is attached to an adjacent vertical rod (3), one end, far away from the vertical rod (3), of the wedge block (10) is an inclined plane, the inclined plane inclines upwards, an extrusion block (22) is arranged in the rectangular block (9), the extrusion block (22) is arranged above the wedge block (10), the extrusion block (22) is in contact with the inclined plane of the wedge block (10), the rectangular block (9) moves upwards to drive the wedge block (10) and the extrusion block (22) to move upwards, the extrusion block (22) does not extrude the inclined plane, the rectangular block (9) downwards to drive the extrusion block (22) to extrude the inclined plane, the wedge block (10) cannot move downwards along the vertical rod (3), the wedge block (10) prevents the rectangular block (9) from moving downwards, after the extrusion of the extrusion block (22) on the wedge block (10) is relieved, the wedge block (10) can move downwards along the vertical rod (3), and the wedge block (10) does not push the extrusion block to move upwards.
2. The safe short-distance steel carrying device according to claim 1, characterized in that two ends of the rectangular rod (2) are provided with front and rear through sunk grooves, the bottoms of the two sunk grooves are respectively provided with a front and rear straight rod (4), the front ends of the two straight rods (4) are connected through a round rod (11), the round rod (11) is positioned on the front side of the rectangular rod (2), the round rod (11) drives the two straight rods (4) to move backwards simultaneously, the upper end of the rotating shaft (5) is provided with a sector gear (12), the sector gear (12) is arranged in the sunk grooves, the two straight rods (4) are provided with tooth grooves (13), the sector gear (12) is meshed with the tooth grooves (13), and the straight rods (4) and the sector gear (12) drive the rotating shaft (5) to rotate through the tooth grooves (13); a torsion spring (14) is sleeved on the rotating shaft (5), one end of the torsion spring (14) is fixed on the rotating shaft (5), the other end of the torsion spring (14) is fixed on the vertical rod (3), and the torsion spring (14) enables the rotating shaft (5) to rotate and reset.
3. A short distance carrying apparatus for safety steel according to claim 1, wherein the outer edge of the lower end of the rotating shaft (5) is provided with a flat key (15), the flat key (15) is located at the lower side of the plate (1), the inside of the cylinder (6) is provided with a notch matched with the flat key (15), and the rotating shaft (5) enables the cylinder (6) to rotate along with the rotating shaft (5) through the flat key (15).
4. A short distance carrying device for steel products for safety according to claim 1, characterized in that the two flat bars (7) are rectangular bars, the opposite surfaces of the two flat bars (7) are inclined surfaces, the inclined surfaces are inclined upwards, and the steel products can be scooped up by the flat bars (7) through the inclined surfaces.
5. The device for carrying steel products safely for short distance according to claim 4 is characterized in that a rotating ring (19) is sleeved on each of the two cylinders (6), the rotating ring (19) can rotate and move up and down on the cylinders (6), and the rotating ring (19) is arranged above the flat rod (7);
the outer edge of each rotating ring (19) is fixedly provided with a horizontally placed stress rod (20), each stress rod (20) is a square rod, one end, far away from the rotating ring (19), of each stress rod (20) is fixedly provided with a clamping block (21), the opposite surface of each clamping block (21) is an arc surface, and the arc surface is made of a rubber layer with large friction force;
a spring is sleeved on the cylinder (6), the upper end of the spring is fixed on the cylinder (6), the lower end of the spring is in contact with and not fixed to the rotating ring (19), and the rotating ring (19) moves downwards and can be in contact with the flat rod (7);
the opposite surfaces of the two clamping blocks (21) are inclined surfaces, the inclined surfaces incline downwards, the inclined surfaces on the flat rod (7) can be attached to the inclined surfaces on the clamping blocks (21), the flat rod (7) can push the clamping blocks (21) to rotate and move upwards through the inclined surfaces, the middle of the stress rod (20) is provided with a vertically placed cylinder (26), the lower end face of the cylinder (26) is flush with the lower end face of the clamping blocks (21), the cylinder (26) is not in contact with the inclined surfaces of the flat rod (7), the outer edge of the lower end of the cylinder (6) is provided with a sector block (28), the upper end face of the sector block (28) is flush with the upper end face of the flat rod (7), the sector block (28) is in contact with one side, far away from the inclined surfaces, of the flat rod (7), and the lower end face of the cylinder (26) can be placed on the upper end face of the sector block (28).
6. The safe steel short-distance carrying device according to claim 5, characterized in that the lower ends of the two vertical rods (8) are respectively provided with a ring (17), the ring (17) is sleeved on the cylinder (6), the cylinder (6) can rotate in the ring (17), the outer edge of the upper end of the cylinder (6) is provided with two stop rings (18) which are arranged up and down, the ring (17) is arranged between the two stop rings (18), the stop rings (18) prevent the ring (17) from sliding up and down on the outer edge of the cylinder (6), the cylinder (6) moves up and down and drives the vertical rods (8) to move up and down through the ring (17), the flat plate (1) is provided with through holes, and the vertical rods (8) pass through the through holes and can only move up and down along the through holes;
the outer edge of each circular ring (17) is fixedly provided with a vertically-arranged stop lever (27), the stop levers (27) are arranged on the outer sides of the two stress rods (20), the stop levers (27) move up and down along with the vertical rods (8), the stop levers (27) prevent the stress rods (20) from rotating outwards, and the clamping blocks (21) are arranged on the inner sides of the flat rods (7).
7. The safe steel short-distance carrying device according to claim 6, characterized in that the end surfaces of the ring (17) and the baffle ring (18) are respectively provided with a limiting hole, a vertical limiting rod (16) is fixed on the lower end surface of the flat plate (1), the limiting holes in the ring (17) are always arranged under the limiting rods (16), when the limiting holes in the baffle ring (18) are not screwed under the limiting rods (16), the limiting rods (16) cannot be inserted into the limiting holes, the limiting rods (16) can prevent the cylinder (6) from moving upwards, after the limiting holes in the baffle ring (18) are screwed under the limiting rods (16), the limiting rods (16) are inserted into the limiting holes in the ring (17) and the baffle ring (18), and after the limiting rods (16) are inserted into the limiting holes, the cylinder (6) stops rotating.
8. A short distance handling device for safety steel according to claim 1, characterized in that said two rectangular blocks (9) are fixed by connecting rods;
the side surfaces, close to the vertical rod (3), of the two rectangular blocks (9) are provided with horizontal sinking grooves, the wedge blocks (10) are arranged in the sinking grooves, a certain moving space can be formed in the wedge blocks (10) in the sinking grooves in the vertical direction, and the wedge blocks (10) are attached to the vertical rod (3) through the sinking grooves; a vertical groove is formed in the upper end face of the rectangular block (9), the vertical groove is communicated with the sinking groove, the extrusion block (22) is arranged in the vertical groove, the extrusion block (22) is a rectangular block, the upper end face of the extrusion block (22) is parallel to the upper end face of the rectangular block (9), the lower end of the extrusion block (22) is an inclined face, and the inclined face of the lower end face of the extrusion block (22) is attached to the inclined face of the wedge-shaped block (10);
the upper end faces of the two rectangular blocks (9) are respectively fixed with a limiting block (23), a through hole in the horizontal direction is formed in each limiting block (23), a pin (24) which can only move horizontally is arranged in each through hole, a spring is sleeved on each pin (24), one end of each spring is fixed on each limiting block (23), the other end of each spring is fixed on each pin (24), and each spring can push each pin (24) to move above the corresponding extrusion block (22) and contact with the upper end face of the corresponding extrusion block (22) to enable the corresponding extrusion block (22) to be fixed;
a pull rope (25) is connected between the two pins (24) far away from the extrusion block (22), and the pull rope (25) is fixed at one end of each pin (24) far away from the extrusion block (22).
9. The short-distance carrying device for the safety steel products as claimed in claim 8, wherein a spring is fixed on the end surface of the bottom of the horizontal sinking groove, the spring is in contact with the wedge block (10) and is not fixed, the spring enables the wedge block (10) to be in contact with the vertical rod (3) all the time, and the spring does not prevent the wedge block (10) from moving up and down along the vertical rod (3);
the upper end face in the horizontal sinking groove is fixedly provided with a vertically placed spring, the upper end face of the wedge block (10) is a plane, the upper end face of the wedge block (10) is parallel to the upper end face of the sinking groove, the lower end of the spring is in contact with and not fixed to the upper end face of the wedge block (10), and the spring can push the wedge block (10) to move downwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648991.4A CN113277259B (en) | 2021-06-10 | 2021-06-10 | Safe steel short-distance carrying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648991.4A CN113277259B (en) | 2021-06-10 | 2021-06-10 | Safe steel short-distance carrying device |
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| CN113277259B true CN113277259B (en) | 2022-09-09 |
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| CN118145227A (en) * | 2024-05-11 | 2024-06-07 | 陕西科技大学 | Maintenance conveying device of large-scale precision electromechanical equipment |
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| US9457957B1 (en) * | 2014-12-30 | 2016-10-04 | Scott Blood | Pipe carrying device |
| JP2016124678A (en) * | 2015-01-05 | 2016-07-11 | 共伸鉄工株式会社 | Lifting device for lifting wire coil |
| JP3199773U (en) * | 2015-06-26 | 2015-09-10 | 桂司 村山 | Concrete block tongs |
| JP6914475B2 (en) * | 2017-05-18 | 2021-08-04 | Smc株式会社 | Work gripping device |
| CN207015979U (en) * | 2017-06-02 | 2018-02-16 | 安徽宝路环境工程有限公司 | A kind of construction brick clamp |
| CN211253978U (en) * | 2018-03-23 | 2020-08-14 | 大同新成新材料股份有限公司 | Steel sheet transport anchor clamps |
| CN208135249U (en) * | 2018-04-27 | 2018-11-23 | 青建集团股份公司 | A kind of building brick clamp device |
| US10654690B2 (en) * | 2018-06-30 | 2020-05-19 | Nhon Hoa Nguyen | Automatic locking mechanism and clamping devices with automatic locking mechanism |
| CN209739922U (en) * | 2019-04-11 | 2019-12-06 | 青建集团股份公司 | Portable steel pipe handling device |
| CN210000991U (en) * | 2019-05-17 | 2020-01-31 | 中建七局第一建筑有限公司 | Steel bar carrying clamp holder for building construction |
| CN110980103B (en) * | 2019-12-18 | 2021-06-08 | 安徽长隆建筑工程有限公司 | A supplementary handling device of reinforcing bar for building site |
| CN112079111A (en) * | 2020-09-07 | 2020-12-15 | 衡东欧慕定制家私有限公司 | Timber clamping device |
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