CN112853999B - Bridge construction is with hoist for anticollision barrier - Google Patents
Bridge construction is with hoist for anticollision barrier Download PDFInfo
- Publication number
- CN112853999B CN112853999B CN202110173279.3A CN202110173279A CN112853999B CN 112853999 B CN112853999 B CN 112853999B CN 202110173279 A CN202110173279 A CN 202110173279A CN 112853999 B CN112853999 B CN 112853999B
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- China
- Prior art keywords
- lifting
- claw
- collision guardrail
- rod
- seat
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a lifting appliance for an anti-collision guardrail for bridge construction, which relates to the technical field of anti-collision guardrail lifting appliances, and comprises an anti-collision guardrail body, a suspension arm and a lifting rod, wherein the two sides of the top of the anti-collision guardrail body are respectively provided with an anti-collision guardrail jacking pipe, a steel pipe is arranged on the anti-collision guardrail body, the suspension arm is internally provided with a sliding groove, the sliding groove is internally provided with a piston, one side of the piston is provided with a lifting claw, one side of the end part of the lifting claw is provided with a locking assembly, one side of the bottom of the suspension arm is provided with a reinforcing claw, the reinforcing claw is provided with an installation seat, the top of the installation seat is provided with a fixed rod, and the installation seat is provided with a clamping jaw assembly, the friction between the lifting claw and the anti-collision guardrail is reduced, and the service life of the lifting claw is ensured.
Description
Technical Field
The invention belongs to the technical field of anti-collision guardrail lifting appliances, and particularly relates to a lifting appliance for an anti-collision guardrail for bridge construction.
Background
The anti-collision guardrail lifting tool is a tool for lifting and taking anti-collision guardrails, in the bridge construction process, the anti-collision guardrails are installed on two sides of a bridge, so that the safety performance of the bridge is improved, when the anti-collision guardrails are installed, the anti-collision guardrails are heavy in weight and need to be lifted by a crane, a special lifting tool is required to be used, the existing anti-collision guardrail lifting tool is low in safety, lifting claws cannot lock the anti-collision guardrails, the lifting tool cannot firmly grasp the anti-collision guardrails, and based on the problems appearing above, the lifting tool for the anti-collision guardrails for bridge construction is provided.
Disclosure of Invention
In view of this, the present invention provides a lifting appliance for an anti-collision guardrail for bridge construction, so as to effectively solve the problems that the lifting claws provided in the background art cannot lock the anti-collision guardrail, and the lifting appliance cannot firmly grasp the anti-collision guardrail.
In order to achieve the purpose, the invention provides the following technical scheme: a lifting appliance for an anti-collision guardrail for bridge construction comprises an anti-collision guardrail body, lifting arms and lifting rods, wherein anti-collision guardrail jacking pipes are arranged on two sides of the top of the anti-collision guardrail body, and steel pipes are arranged on the anti-collision guardrail body;
a sliding groove is formed in the suspension arm, a piston is arranged in the sliding groove, a suspension claw is arranged on one side of the piston, and a locking assembly is arranged on one side of the end part of the suspension claw;
the reinforcing claw is installed to the bottom one side of davit, and installs the mount pad on the reinforcing claw, the dead lever is installed at the top of mount pad, and installs clamping jaw assembly on the mount pad.
Preferably, the locking assembly comprises a locking claw which is rotatably connected to the lifting claw through a rotating shaft, a first spring is mounted at a position, close to one side of the locking claw, on the lifting claw, and a pull ring is mounted at the end of the lifting claw.
Preferably, the clamping jaw assembly comprises a first metal jaw installed on one side of the installation seat and a second metal jaw installed on the other side of the installation seat, two fixing plates are symmetrically installed on two sides of the installation seat, second springs are installed at the bottoms of the two fixing plates, and the end portions of the second springs are fixedly connected with the first metal jaw and the second metal jaw through bolts respectively.
Preferably, the bottom of the interior of the hanger rod is provided with a mounting groove, a solid ball is mounted in the mounting groove, two main shafts are symmetrically mounted on two sides of the solid ball, and mounting holes are formed in the end parts of the two main shafts;
the outer wall of the solid ball is provided with a gear ring, the bottom of the suspender is provided with a threaded rod, one end of the threaded rod is provided with a pressing block, and the other end of the threaded rod is provided with a hand wheel;
the inside bottom of jib is close to the bilateral symmetry of mounting groove and is installed the bearing, the main shaft runs through in the bearing.
Preferably, a placing groove is formed in one end of the suspension arm, one end of the main shaft is matched with the placing groove for use, a rectangular groove is formed in the outer surface of the suspension arm, and the mounting plate is mounted on the rectangular groove.
Preferably, the top end of the suspender is provided with a hook seat, a through hole is formed in the hook seat, the inner wall of the hook seat is provided with an installation rod, the installation rod is provided with a gear, and the hook seat is provided with a hook.
Preferably, the outer wall of the bottom of the lifting hook is provided with a convex tooth, and the convex tooth is meshed with the gear.
Preferably, a bump is arranged on the surface of the pressing block, and the pressing block is of an arc-shaped structure.
Preferably, the rotating angle range of the main shaft is 0-360 degrees, and the outer wall of the main shaft is provided with an antirust coating.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the lifting claw is set to be in the shape of a cylinder, the locking claw is arranged at the end part of the lifting claw, the lifting claw can penetrate through the anti-collision guardrail jacking pipe, and then the anti-collision guardrail jacking pipe is locked by the locking claw, so that the lifting appliance is prevented from falling off, the safety performance of the lifting appliance is improved, when the lifting appliance is installed, the anti-collision guardrail can be locked only by penetrating the lifting claw through the anti-collision guardrail jacking pipe, and the installation speed is improved.
(2) According to the invention, the reinforcing claw is arranged on the suspension arm, and the anti-collision guardrail is clamped by the reinforcing claw, so that the anti-collision guardrail can be reinforced secondarily, the stability between the lifting appliance and the anti-collision guardrail is improved in the lifting process, the lifting appliance can more firmly grasp the anti-collision guardrail, the friction force between the suspension claw and the anti-collision guardrail is reduced, and the service life of the suspension claw is ensured.
(3) According to the invention, the main shaft is arranged between the suspension arm and the suspension rod, and the suspension arm can rotate on the suspension rod around the main shaft, so that the angle of the suspension arm can be adjusted, the position of the reinforcing claw can be adjusted conveniently, a steel pipe can be grasped by the reinforcing claw, the mounting difficulty of the lifting appliance is reduced, and the mounting speed of the lifting appliance is increased.
(4) According to the invention, the hanger rod is provided with the hanger hook seat, the gear is arranged in the hanger hook seat, the outer wall of the bottom of the hanger hook is provided with the teeth, and the teeth on the outer wall of the hanger hook are meshed with the gear, so that the friction force between the hanger hook and the hanger hook seat is increased, the hanger rod is prevented from being influenced to shake when the hanger hook shakes, the stability of the hanger rod is improved, and the hanger cannot shake violently in the process of hanging and taking the anti-collision guardrail.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a state view of the crash barrier of the present invention with the crash barrier body removed;
FIG. 3 is a schematic view of the boom and spindle of the present invention;
FIG. 4 is a schematic structural diagram of the suspension arm of the present invention;
FIG. 5 is an external view of the boom of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 2;
FIG. 7 is a side view of the hook base of the present invention;
FIG. 8 is an enlarged view of portion B of FIG. 3;
FIG. 9 is an enlarged view of the portion C of FIG. 4;
FIG. 10 is a schematic view of the structure of a reinforcing jaw of the present invention;
FIG. 11 is a schematic view of the construction of the spindle and the solid ball of the present invention;
in the figure: 1-an anti-collision guardrail body; 2-hanging claws; 21-locking claws; 22-a first spring; 3-a pull ring; 4-jacking pipes of the anti-collision guardrails; 5-suspension arm; 51-a mounting plate; 52-rectangular groove; 6-a main shaft; 61-solid sphere; 62-mounting holes; 63-a gear ring; 7-a boom; 71-a hook; 72-hook seat; 73-mounting rods; 74-gear; 75-a via; 8-hand wheel; 81-briquetting; 82-threaded rod; 9-a steel pipe; 10-reinforcing claws; 101-a second spring; 102-a mount; 103-a first metal jaw; 104-a second metal jaw; 105-a fixing plate; 106-a fixation rod; 11-a bearing; 12-a chute; 13-a piston; 14-placing a groove; 15-mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc., indicate orientations or positional relationships based on trivial matters in the drawings, are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, are easy to construct and operate in specific orientations, and thus are not to be construed as limitations on the present invention, and furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like, are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening profiles, or both. To those of ordinary skill in the art, the foregoing may be cleaved with a specific outline to fall within the meaning of the present invention.
Referring to fig. 1-11, the present invention provides the following technical solutions: a lifting appliance for an anti-collision guardrail for bridge construction comprises an anti-collision guardrail body 1, suspension arms 5 and suspension rods 7, wherein anti-collision guardrail jacking pipes 4 are mounted on two sides of the top of the anti-collision guardrail body 1, and steel pipes 9 are mounted on the anti-collision guardrail body 1;
a sliding groove 12 is formed in the suspension arm 5, a piston 13 is arranged in the sliding groove 12, a suspension claw 2 is arranged on one side of the piston 13, and a locking assembly is arranged on one side of the end part of the suspension claw 2;
a reinforcing claw 10 is installed on one side of the bottom of the suspension arm 5, an installation seat 102 is installed on the reinforcing claw 10, a fixing rod 106 is installed on the top of the installation seat 102, and a clamping jaw assembly is installed on the installation seat 102.
Preferably, the locking assembly comprises a locking claw 21 rotatably connected to the lifting claw 2 through a rotating shaft, a first spring 22 is arranged at a position, close to one side of the locking claw 21, on the lifting claw 2, a pull ring 3 is arranged at the end of the lifting claw 2, the interior of the anti-collision guardrail top pipe 4 is of a hollow structure, the anti-collision guardrail top pipe 4 is arranged at the top end of the anti-collision guardrail body 1 and is mainly used for inserting a golden pipe person so as to be connected with other anti-collision guardrail bodies 1, when the anti-collision guardrail body 1 is lifted, the lifting claw 2 penetrates through the anti-collision guardrail top pipe 4, the lifting claw 2 can be locked by the locking claw 21, when the locking claw 21 is pressed without external force, the locking claw 21 is locked at one side of the anti-collision guardrail top pipe 4, when the lifting claw 2 is dismounted, the locking claw 21 is pressed by the hand into the lifting claw 2, the lifting claw 2 can pass through a hole in the anti-collision guardrail top pipe 4, and the lifting claw 2 is of a hollow cylinder structure, the end of the hanging claw 2 is provided with a groove at the position for installing the locking claw 21, so that the locking claw 21 can be conveniently installed in the groove by a rotating shaft.
Preferably, the clamping jaw assembly comprises a first metal jaw 103 mounted on one side of the mounting seat 102 and a second metal jaw 104 mounted on the other side of the mounting seat 102, two fixing plates 105 are symmetrically mounted on two sides of the mounting seat 102, a second spring 101 is mounted at the bottom of each fixing plate 105, the end portions of each second spring 101 are fixedly connected with the first metal jaw 103 and the second metal jaw 104 through bolts, the first metal jaw 103 and the second metal jaw 104 are mounted on the mounting seat 102 through a rotating shaft, before grabbing the steel pipe 9, a user needs to pull the reinforcing jaw 10 to move to the position of the steel pipe 9 on the crash barrier body 1, then pull the first metal jaw 103 and the second metal jaw 104 to both sides by hand to clamp the steel pipe 9, after releasing the hand, the second spring 101 automatically rebounds the first metal jaw 103 and the second metal jaw 104, when the first metal jaw 103 and the second metal jaw 104 are pulled without external force, the first metallic claw 103 and the second metallic claw 104 do not rotate on the mount 102.
Preferably, the bottom inside the hanger rod 7 is provided with a mounting groove 15, a solid ball 61 is mounted in the mounting groove 15, two main shafts 6 are symmetrically mounted on two sides of the solid ball 61, and mounting holes 62 are formed in the end parts of the two main shafts 6;
the outer wall of the solid ball 61 is provided with a gear ring 63, the bottom of the suspender 7 is provided with a threaded rod 82, one end of the threaded rod 82 is provided with a pressing block 81, and the other end is provided with a hand wheel 8;
Preferably, one end of the suspension arm 5 is provided with a placing groove 14, one end of the main shaft 6 is matched with the placing groove 14 for use, the outer surface of the suspension arm 5 is provided with a rectangular groove 52, and the rectangular groove 52 is provided with an installation plate 51.
Preferably, a hook base 72 is installed at the top end of the suspension rod 7, a through hole 75 is formed in the hook base 72, an installation rod 73 is installed on the inner wall of the hook base 72, a gear 74 is installed on the installation rod 73, and a hook 71 is installed on the hook base 72.
Preferably, the outer wall of the bottom of the hook 71 is provided with a convex tooth, and the convex tooth is meshed with the gear 74.
Preferably, the surface of briquetting 81 is provided with the lug, briquetting 81 is the convex structure, it rotates to drive threaded rod 82 through rotating hand wheel 8, threaded rod 82 drives briquetting 81 when rotating and removes, connect through the axis of rotation between briquetting 81 and the threaded rod 82, when threaded rod 82 rotates, briquetting 81 does not rotate, when clockwise rotation hand wheel 8, threaded rod 82 is screwed up, briquetting 81 and the tooth meshing of ring gear 63 outer wall, solid ball 61 can't rotate this moment, during anticlockwise rotation hand wheel 8, threaded rod 82 is loosened by the spiral shell, briquetting 81 breaks away from the tooth of ring gear 63 outer wall, solid ball 61 can rotate this moment, be convenient for adjust main shaft 6 and rotate, can the rotation of manual control main shaft 6.
Preferably, the rotation angle range of the main shaft 6 is 0-360 degrees, and the outer wall of the main shaft 6 is provided with an antirust coating.
The working principle and the using process of the invention are as follows: when the anti-collision guardrail is used, a user unscrews the hand wheel 8, the hand wheel 8 drives the threaded rod 82 to rotate, the threaded rod 82 drives the pressing block 81 to move downwards, the pressing block 81 is separated from the gear ring 63, the solid ball 61 can rotate, meanwhile, the main shaft 6 can rotate, the user rotates the main shaft 6 with hands, the reinforcing claw 10 is placed on the steel pipe 9 of the anti-collision guardrail body 1, then the first metal claw 103 and the second metal claw 104 are pulled open with hands, the steel pipe 9 is clamped by the first metal claw 103 and the second metal claw 104, after the hands are loosened, the first metal claw 103 and the second metal claw 104 rebound to the original positions, the steel pipe 9 is clamped by the first metal claw 103 and the second metal claw 104, then the hand wheel 8 is screwed, the pressing block 81 presses the gear ring 63, the solid ball 61 cannot rotate in the mounting groove 15, and the main shaft 6 and the suspension arm 5 cannot rotate;
a user pulls the pull ring 3 with a hand, the lifting claw 2 is aligned to the anti-collision guardrail push pipe 4, then the lifting claw 2 is inserted into the anti-collision guardrail push pipe 4, meanwhile, the inner wall of the anti-collision guardrail push pipe 4 extrudes the locking claw 21, the locking claw 21 extrudes the first spring 22, the locking claw 21 is pressed into the lifting claw 2, the lifting claw 2 can smoothly penetrate through the anti-collision guardrail push pipe 4, after the end part of the lifting claw 2 penetrates through the anti-collision guardrail push pipe 4, the first spring 22 ejects the locking claw 21, the locking claw 21 cannot penetrate through the anti-collision guardrail push pipe 4, and the anti-collision guardrail body 1 is locked by the lifting appliance;
the user passes the in-process of through-hole 75 with lifting hook 71, and gear 74 takes place to rotate, installs lifting hook 71 on the loop wheel machine, and the loop wheel machine hangs and gets lifting hook 71, and the in-process that lifting hook 71 removed, lifting hook 71 drive jib 7, and when lifting hook 71 rocked, the tooth and the gear 74 looks mutual friction of lifting hook 71 bottom, jib 7 can not rock violently, and jib 7 follows lifting hook 71 and removes, and whole hoist can the steady movement simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A lifting appliance for an anti-collision guardrail for bridge construction comprises an anti-collision guardrail body (1), a suspension arm (5) and a suspension rod (7), wherein anti-collision guardrail jacking pipes (4) are mounted on two sides of the top of the anti-collision guardrail body (1), and steel pipes (9) are mounted on the anti-collision guardrail body (1);
the method is characterized in that: a sliding groove (12) is formed in the suspension arm (5), a piston (13) is arranged in the sliding groove (12), a lifting claw (2) is arranged on one side of the piston (13), and a locking assembly is arranged on one side of the end part of the lifting claw (2);
a reinforcing claw (10) is installed on one side of the bottom of the suspension arm (5), an installation seat (102) is installed on the reinforcing claw (10), a fixing rod (106) is installed on the top of the installation seat (102), and a clamping jaw assembly is installed on the installation seat (102);
the locking assembly comprises a locking claw (21) which is rotatably connected to the lifting claw (2) through a rotating shaft, a first spring (22) is installed at one side position, close to the locking claw (21), of the lifting claw (2), a pull ring (3) is installed at the end portion of the lifting claw (2), and the lifting claw (2) penetrates through the anti-collision guardrail jacking pipe (4);
the bottom of the interior of the hanger rod (7) is provided with a mounting groove (15), a solid ball (61) is mounted in the mounting groove (15), two main shafts (6) are symmetrically mounted on two sides of the solid ball (61), and mounting holes (62) are formed in the end parts of the two main shafts (6);
a gear ring (63) is installed on the outer wall of the solid ball (61), a threaded rod (82) is installed at the bottom of the suspender (7), a pressing block (81) is installed at one end of the threaded rod (82), and a hand wheel (8) is installed at the other end of the threaded rod;
bearings (11) are symmetrically arranged on two sides of the bottom of the inner part of the suspension rod (7) close to the mounting groove (15), and the main shaft (6) penetrates through the bearings (11);
a placing groove (14) is formed in one end of the suspension arm (5), one end of the main shaft (6) is matched with the placing groove (14) for use, a rectangular groove (52) is formed in the outer surface of the suspension arm (5), and a mounting plate (51) is mounted on the rectangular groove (52).
2. The lifting appliance for the anti-collision guardrail for bridge construction according to claim 1, wherein: the clamping jaw assembly comprises a first metal claw (103) arranged on one side of a mounting seat (102) and a second metal claw (104) arranged on the other side of the mounting seat (102), two fixing plates (105) are symmetrically arranged on two sides of the mounting seat (102), a second spring (101) is arranged at the bottom of each fixing plate (105), and the end portions of the second springs (101) are fixedly connected with the first metal claw (103) and the second metal claw (104) through bolts respectively.
3. The lifting appliance for the anti-collision guardrail for bridge construction according to claim 1, wherein: the lifting hook is characterized in that a lifting hook seat (72) is installed at the top end of the lifting rod (7), a through hole (75) is formed in the lifting hook seat (72), an installation rod (73) is installed on the inner wall of the lifting hook seat (72), a gear (74) is installed on the installation rod (73), and a lifting hook (71) is installed on the lifting hook seat (72).
4. The lifting appliance for the anti-collision guardrail for bridge construction according to claim 3, wherein: the outer wall of the bottom of the lifting hook (71) is provided with convex teeth, and the convex teeth are meshed with the gear (74).
5. The lifting appliance for the anti-collision guardrail for bridge construction according to claim 1, wherein: the surface of the pressing block (81) is provided with a convex block, and the pressing block (81) is of an arc-shaped structure.
6. The lifting appliance for the anti-collision guardrail for bridge construction according to claim 1, wherein: the rotating angle range of the main shaft (6) is 0-360 degrees, and the outer wall of the main shaft (6) is provided with an antirust coating.
Priority Applications (1)
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CN202110173279.3A CN112853999B (en) | 2021-02-05 | 2021-02-05 | Bridge construction is with hoist for anticollision barrier |
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CN202110173279.3A CN112853999B (en) | 2021-02-05 | 2021-02-05 | Bridge construction is with hoist for anticollision barrier |
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CN112853999A CN112853999A (en) | 2021-05-28 |
CN112853999B true CN112853999B (en) | 2022-09-30 |
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