CN112850519B - Logistics is with positive crane support arm of heavy cabinet - Google Patents
Logistics is with positive crane support arm of heavy cabinet Download PDFInfo
- Publication number
- CN112850519B CN112850519B CN202110068117.3A CN202110068117A CN112850519B CN 112850519 B CN112850519 B CN 112850519B CN 202110068117 A CN202110068117 A CN 202110068117A CN 112850519 B CN112850519 B CN 112850519B
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- CN
- China
- Prior art keywords
- support arm
- safety
- safe
- telescopic joint
- rope
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
Abstract
The invention relates to the technical field of logistics, in particular to a support arm of a crane on the front side of a heavy cabinet for logistics, which comprises a support arm main body, wherein an expansion joint is connected onto the support arm main body, a front support is fixedly arranged on the expansion joint, a lifting appliance is arranged on the front support, a hydraulic rod is connected onto the support arm main body, a safe box is fixedly arranged on the expansion joint, an end block is fixedly arranged on the safe box, a cavity is arranged in the safe box, a safe disc is fixedly arranged in the cavity, positioning teeth are fixedly arranged on the safe disc, a winding shaft is rotatably connected onto the safe disc, and a safety rope is wound on the winding shaft; the telescopic joint of the support arm main body is provided with a safety mechanism with static reinforcement and dynamic loss stopping functions, the safety mechanism is composed of a safe box and a safety rope connected with the safe box, an overspeed triggering structure is arranged, when the telescopic joint of the crane is broken and falls accidentally, the fallen telescopic joint is braked through the safety rope, and personal injury caused by falling of the telescopic joint is prevented.
Description
Technical Field
The invention relates to the technical field of logistics, in particular to a support arm of a front crane of a heavy cabinet for logistics.
Background
The crane is a common name of a crane, and the crane is one of hoisting machines and is a machine which does circulating and intermittent motion. One simple duty cycle includes: the fetching device lifts the object from the fetching place, then moves horizontally to the designated place to lower the object, and then carries out reverse movement to return the fetching device to the original position so as to carry out the next cycle. The crane generally includes a fixed type rotary crane, a tower crane, a truck crane, a tire, a crawler crane, and the like.
The crane has very important meaning to modern logistics, and is far beyond reach of manpower for the carrying capacity of heavy materials. The current logistics crane is often used for the handling of heavy cabinet, and the transport of crane mainly relies on its support arm structure, and it often includes a plurality of telescopic joints to reach the unsettled transport purpose of material, therefore the support arm structure often is very long and thin, only relies on hydraulic system to support during the use, and the steadiness is not good, has the risk of turning on one's side, especially under some extreme weather. In view of this, we propose a heavy cabinet front crane arm for logistics.
Disclosure of Invention
The invention aims to provide a front crane support arm for a heavy cabinet for logistics, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a commodity circulation is with positive crane support arm of heavy cabinet, includes the support arm main part, be connected with the telescopic joint in the support arm main part, and fixed mounting has the fore-stock on the telescopic joint, install the hoist on the fore-stock, and be connected with the hydraulic stem in the support arm main part, fixed mounting has the safe on the telescopic joint, and fixed mounting has end block on the safe, be provided with the cavity in the safe, and fixed mounting has the safe in the cavity, fixed mounting has the location tooth on the safe, and rotates on the safe and be connected with around the spool, it has the safety rope to wind on the spool, and winds fixedly connected with volute spring and connecting rod on the spool, be provided with the spout in the connecting rod, and fixed mounting has the spring in the spout, and fixedly connected with slider on the spring, fixed mounting has the card post on the slider, and is provided with the side fastener on the slider, and is provided with the non-return groove on the connecting rod, be provided with the rope groove on the safe, and fixedly connected with balanced rope on the safety rope.
Preferably, the telescopic joint is installed at the front end of the support arm main body, the front support is installed at the end part of the telescopic joint, the lifting appliance is composed of a steel wire rope and a lifting hook, the steel wire rope is connected in wire grooves in the support arm main body and the telescopic joint, and the hydraulic rod is connected between the support arm main body and the crane base.
Preferably, the safe is mounted at each joint of the telescopic joint, and the end block is mounted at the side of the safe, the safety line being connected between the end block and the safe.
Preferably, the safety disc is arranged at the center of the cavity, the positioning teeth are annularly arranged at the edge of the safety disc, the winding shaft is connected to the circle center of the safety disc and extends to be arranged on two sides of the safety disc, and the safety rope and the volute spiral spring are respectively arranged on two sides of the safety disc.
Preferably, the connecting rod is mounted on the winding shaft, the sliding block is slidably mounted in the sliding groove, the spring is connected between the sliding block and the groove surface of the sliding groove, the clamping column is mounted at the front end of the sliding block, the side clamping piece is composed of a metal elastic sheet and a clamping block, and the check groove is formed in the groove wall of the sliding groove.
Preferably, the balance ropes are connected to the joints of the safety ropes and the end blocks, and the balance ropes are symmetrically arranged on two sides of the telescopic joint.
Compared with the prior art, the invention has the beneficial effects that:
on one hand, a static reinforcing and dynamic damage-stopping safety mechanism is arranged on the telescopic joint of the support arm main body and comprises a safety box and a safety rope connected with the safety box, an overspeed triggering structure is arranged in the safety box, the safety rope is pulled out slowly when the telescopic joint is normally used and is attached to the side surface of the telescopic joint, the effect of reinforcing the maintenance stability can be achieved, when the telescopic joint of the crane is accidentally broken and falls, the safety rope is pulled out quickly, the connecting rod is driven to rotate in an overspeed manner, the clamping column is popped out by centrifugal force and is clamped with the positioning teeth, the safety rope is prevented from being pulled out continuously, the fallen telescopic joint is braked by the safety rope, and personal injury caused by falling of the safety rope is prevented; on the other hand, still additionally be connected with balanced rope on the safety rope, at the in-process that the safety rope used, balanced rope is connected in the both sides of telescopic joint to directly be connected with the crane base, can increase the stability of telescopic joint and support arm main part.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a schematic view of the telescopic joint structure of the present invention;
FIG. 3 is an enlarged view of area A in FIG. 2;
fig. 4 is a schematic diagram of the structure of the safety disc of the present invention.
In the figure: the safe arm comprises a support arm main body 1, a telescopic joint 2, a front support 3, a lifting appliance 4, a hydraulic rod 5, a safe box 6, an end block 7, a cavity 8, a safe disc 9, a positioning tooth 10, a winding shaft 11, a safe rope 12, a volute spiral spring 13, a connecting rod 14, a sliding groove 15, a spring 16, a sliding block 17, a clamping column 18, a side clamping piece 19, a check groove 20, a rope groove 21 and a balance rope 22.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a commodity circulation is with positive crane support arm of heavy cabinet, including support arm main part 1, be connected with telescopic joint 2 on the support arm main part 1, and fixed mounting has front truck 3 on the telescopic joint 2, install hoist 4 on the front truck 3, and be connected with hydraulic stem 5 on the support arm main part 1, fixed mounting has safe 6 on the telescopic joint 2, and fixed mounting has end block 7 on the safe 6, be provided with cavity 8 in the safe 6, and fixed mounting has safe 9 in the cavity 8, fixed mounting has location tooth 10 on the safe 9, and rotate on the safe 9 and be connected with around spool 11, it has safety rope 12 to wind on the spool 11, and fixedly connected with volute spring 13 and connecting rod 14 on the spool 11, be provided with spout 15 in the connecting rod 14, and fixedly mounted has spring 16 in the spout 15, and fixedly connected with slider 17 on the spring 16, fixedly mounted has card post 18 on the slider 17, and be provided with fastener side 19 on the slider 17, and be provided with non-return groove 20 on the connecting rod 14, be provided with grooving 21 on the safe 6, and fixedly connected with balanced rope 22 on the safety rope 12.
The telescopic joint 2 is arranged at the front end of the support arm main body 1, the front support 3 is arranged at the end part of the telescopic joint 2, the lifting appliance 4 is composed of a steel wire rope and a lifting hook, the steel wire rope is connected in wire grooves on the support arm main body 1 and the telescopic joint 2, the hydraulic rod 5 is connected between the support arm main body 1 and a crane base, the support arm main body 1 is extended through the telescopic joint 2, so that a long rod type lifting structure is formed, the lifting appliance 4 on the front support 3 is used for connecting heavy materials, and the hydraulic rod 5 is used for steering lifting of the suspension arm main body 1;
the safe box 6 is arranged at each joint of the telescopic joint 2, the end block 7 is arranged on the side face of the safe box 6, the safe rope 12 is connected between the end block 7 and the safe box 6, when the telescopic joint 2 is stretched, the distance between the adjacent safe boxes 6 is increased, the safe rope 12 can be pulled out of the safe box 6 through the end block 7, and a certain reinforcing effect is achieved on the telescopic joint 2;
the safety disc 9 is arranged at the center of the cavity 8, the positioning teeth 10 are annularly arranged at the edge of the safety disc 9, the winding shaft 11 is connected to the center of the safety disc 9, the winding shaft 11 extends to be arranged on two sides of the safety disc 9, the safety rope 12 and the volute spiral spring 13 are respectively arranged on two sides of the safety disc 9, the winding shaft 11 is arranged through the safety disc 9, the safety rope 12 can be pulled out of the winding shaft 11 at a low speed, and elastic potential energy is continued in the volute spiral spring 13, so that the safety rope 12 is recovered through the elastic potential energy subsequently;
the connecting rod 14 is installed on the winding shaft 11, the sliding block 17 is installed in the sliding groove 15 in a sliding mode, the spring 16 is connected between the sliding block 17 and the groove surface of the sliding groove 15, the clamping column 18 is installed at the front end of the sliding block 17, the side clamping piece 19 is composed of a metal elastic sheet and a clamping block, the check groove 20 is formed in the groove wall of the sliding groove 15, if the telescopic joint 2 is damaged, the telescopic joint 2 is accidentally broken and falls off when the crane is used, the safety rope 12 wound on the winding shaft 11 is rapidly pulled out, so that the connecting rod 14 is driven to rotate in an overspeed mode, the sliding block 17 is subjected to centrifugal force exceeding the limit, the pulling force of the spring 16 can be overcome, the clamping column 18 is driven to extend out of the sliding groove 15 and is clamped with the positioning teeth 10, the safety rope 12 is prevented from being continuously pulled out, the falling telescopic joint 2 is braked by the safety rope 12 to prevent the falling telescopic joint from causing personal injury, and the side clamping piece 19 is clamped with the check groove 20 in a speed reducing mode in the process that the clamping column 18 is thrown out, the clamping column 18 can be prevented from retracting after the connecting rod 14, so that the fixed state of the safety rope 12 is kept;
the balance rope 22 is connected to the joint of the safety rope 12 and the end block 7, the balance rope 22 is symmetrically arranged on two sides of the telescopic joint 2, and in the using process of the safety rope 12, the balance rope 22 can increase the stability of the telescopic joint 2 and the support arm main body 1;
the working principle is as follows: firstly, the extension of the arm main body 1 is carried out through the telescopic joint 2, so as to form a long-rod type hoisting structure, a hoisting tool 4 on the front support 3 is used for connecting heavy materials, the hydraulic rod 5 is used for steering and hoisting the arm main body 1, in the process of normal use of the arm main body 1, along with the extension of the telescopic joint 2, the distance between adjacent safe boxes 6 is increased, the safety rope 12 can be pulled out of the safe boxes 6 through the end block 7, a certain reinforcing effect is achieved on the telescopic joint 2, the balance rope 22 can increase the stability of the telescopic joint 2 and the arm main body 1, in the process, the safety rope 12 is pulled out from the winding shaft 11 at a slow speed, and the elastic potential energy is continued in the spring 13, so that when the telescopic joint 2 retracts, the safety rope 12 is subsequently recovered through the elastic potential energy, if the telescopic joint 2 is damaged, the telescopic joint 2 is broken accidentally and falls off when the crane is used, the safety rope 12 on the winding shaft 11 is pulled out rapidly to drive the connecting rod 14 to rotate at an overspeed, the sliding block 17 therein is subjected to an over-limit centrifugal force and can overcome the tension of the spring 16 to drive the clamping column 18 to extend out of the sliding groove 15 and be clamped with the positioning teeth 10, so that the safety rope 12 is prevented from being pulled out continuously, the falling telescopic joint 2 is braked through the safety rope 12 to prevent the falling telescopic joint from falling off and causing personal injury, and in the process that the clamping column 18 is thrown off, the side clamping piece 19 is clamped with the check groove 20 to prevent the clamping column 18 from retracting after the speed of the connecting rod 14 is reduced, and thus the fixed state of the safety rope 12 is kept.
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 (1)
1. The utility model provides a commodity circulation is with positive crane arm of heavy cabinet, includes support arm main part (1), its characterized in that: the safety belt is characterized in that an expansion joint (2) is connected to the support arm main body (1), a front support (3) is fixedly mounted on the expansion joint (2), a lifting appliance (4) is mounted on the front support (3), a hydraulic rod (5) is connected to the support arm main body (1), a safe box (6) is fixedly mounted on the expansion joint (2), an end block (7) is fixedly mounted on the safe box (6), a cavity (8) is formed in the safe box (6), a safe disc (9) is fixedly mounted in the cavity (8), a positioning tooth (10) is fixedly mounted on the safe disc (9), a winding reel (11) is rotatably connected to the safe disc (9), a safety rope (12) is wound on the winding reel (11), a volute spring (13) and a connecting rod (14) are fixedly connected to the winding reel (11), a sliding groove (15) is formed in the connecting rod (14), a spring (16) is fixedly mounted in the sliding groove (15), a sliding block (17) is fixedly connected to the spring (16), a clamping column (18) is fixedly mounted on the sliding block (17), a rope groove (19) is formed in the side of the connecting rod (15), and a safety groove (21) is formed in the safe box (6), and a balance rope (22) is fixedly connected to the safety rope (12);
the telescopic joint (2) is arranged at the front end of the support arm main body (1), the front support (3) is arranged at the end part of the telescopic joint (2), the lifting appliance (4) is composed of a steel wire rope and a lifting hook, the steel wire rope is connected to the support arm main body (1) and a wire guide groove on the telescopic joint (2), and the hydraulic rod (5) is connected between the support arm main body (1) and a crane base;
the safe box (6) is arranged at each joint of the telescopic joint (2), the end block (7) is arranged on the side surface of the safe box (6), and the safety rope (12) is connected between the end block (7) and the safe box (6);
the safety disc (9) is arranged at the center of the cavity (8), the positioning teeth (10) are annularly arranged at the edge of the safety disc (9), the winding shaft (11) is connected to the circle center of the safety disc (9) and extends around the winding shaft (11) to be arranged on two sides of the safety disc (9), and the safety rope (12) and the volute springs (13) are respectively positioned on two sides of the safety disc (9);
the connecting rod (14) is installed on the winding shaft (11), the sliding block (17) is installed in the sliding groove (15) in a sliding mode, the spring (16) is connected between the sliding block (17) and the groove surface of the sliding groove (15), the clamping column (18) is installed at the front end of the sliding block (17), the side clamping piece (19) is composed of a metal elastic piece and a clamping block, and the check groove (20) is formed in the groove wall of the sliding groove (15);
the balance ropes (22) are connected to the joints of the safety rope (12) and the end blocks (7), and the balance ropes (22) are symmetrically arranged on two sides of the telescopic joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068117.3A CN112850519B (en) | 2021-01-19 | 2021-01-19 | Logistics is with positive crane support arm of heavy cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068117.3A CN112850519B (en) | 2021-01-19 | 2021-01-19 | Logistics is with positive crane support arm of heavy cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN112850519A CN112850519A (en) | 2021-05-28 |
| CN112850519B true CN112850519B (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110068117.3A Active CN112850519B (en) | 2021-01-19 | 2021-01-19 | Logistics is with positive crane support arm of heavy cabinet |
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| CN209493238U (en) * | 2019-01-07 | 2019-10-15 | 四川永强机械施工股份有限公司 | A kind of anti-fall boom |
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| CN103663196B (en) * | 2013-12-24 | 2016-06-29 | 徐州重型机械有限公司 | Crane and setting-up hoisting hydraulic system thereof |
| CN103922233B (en) * | 2014-04-21 | 2016-08-24 | 徐州重型机械有限公司 | Valve group and hydraulic means |
| CN205527421U (en) * | 2016-04-09 | 2016-08-31 | 江苏贯海重工科技有限公司 | Ship's crane with anti -swing mechanism |
| CN208065604U (en) * | 2017-12-29 | 2018-11-09 | 国家电网公司 | A kind of safety rope and aerial work safety belt from volume locking |
| PL240122B1 (en) * | 2018-05-28 | 2022-02-21 | Jacek Sordyl | Device for automatic lowering after holding back of the fall from height |
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2021
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|---|---|---|---|---|
| CN205442369U (en) * | 2015-12-31 | 2016-08-10 | 天津港国际物流发展有限公司 | Improvement structure of container front hoist |
| CN209493238U (en) * | 2019-01-07 | 2019-10-15 | 四川永强机械施工股份有限公司 | A kind of anti-fall boom |
Non-Patent Citations (1)
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Effective date of registration: 20221208 Address after: 242400 No. 18, Zhouyu Avenue, Jishan Town Economic Development Zone, Nanling County, Wuhu City, Anhui Province Applicant after: Wuhu Shuangcai Intelligent Technology Co.,Ltd. Address before: 341000 No. 86 Hongqi Avenue, Jiangxi, Ganzhou Applicant before: Cheng Hong |
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