CN111332942A - Unpowered lifting appliance - Google Patents
Unpowered lifting appliance Download PDFInfo
- Publication number
- CN111332942A CN111332942A CN201811552289.2A CN201811552289A CN111332942A CN 111332942 A CN111332942 A CN 111332942A CN 201811552289 A CN201811552289 A CN 201811552289A CN 111332942 A CN111332942 A CN 111332942A
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- Prior art keywords
- connecting rod
- rod
- lifting appliance
- fixedly connected
- suspender
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- 210000000078 claw Anatomy 0.000 claims abstract description 58
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an unpowered lifting appliance, which comprises a lifting appliance frame, a telescopic connecting rod, a supporting rod and two claw hand rods which are bilaterally and symmetrically arranged on two sides of the lifting appliance frame, wherein the upper ends of the two claw hand rods are respectively and movably connected with one side of the lifting appliance frame in a rotating mode, the lower ends of the two claw hand rods are respectively and fixedly connected with an automobile body in a releasing mode, the telescopic connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially and movably connected, the left end of the first connecting rod is fixedly connected with the claw hand rod on the left side, the right end of the third connecting rod is fixedly connected with the claw hand rod on the right side, the supporting rod is fixedly arranged in the center of the lifting appliance frame, the lower end of the supporting rod is movably connected with the middle of the second connecting rod, a positioning pull rope with a fixed upper end position is arranged at the joint of. The unpowered lifting appliance is simple in structure and low in cost, reduces the number of operators, shortens hanging and taking time, and eliminates potential safety hazards.
Description
Technical Field
The invention relates to a lifting appliance, in particular to an unpowered lifting appliance.
Background
When the welding operation or the maintenance operation of the automobile body is needed, the automobile body needs to be lifted and moved from one splicing table to the other splicing table for operation. The lifting appliance driven by the hydraulic motor, the hydraulic cylinder or the motor has the advantages of high automation degree, complex structure and high cost, and the arrangement of the power equipment can increase the signal transmission and action time. At present, preceding automobile body uses manual hoist, adopts flexible couple of iron chain and preceding automobile body coupling, and every piece has a staff manual operation, gets to hang the hoist, has following problem:
1. the work is simple, the efficiency is low, and the process of taking and hanging the lifting hook by the staff is accumulated to take 6 seconds;
2. the extrusion risk is higher in the process of manually taking and hanging the lifting hook;
3. other staff in the production line have long waiting time in the process of operating the lifting appliance.
Disclosure of Invention
The invention is completed for solving the defects in the prior art, and aims to provide an unpowered lifting appliance which is simple in structure and low in cost, reduces the number of personnel for operating the lifting appliance, shortens the hanging and taking time of the lifting appliance, and eliminates potential safety hazards in the manual hanging and taking process.
The invention relates to an unpowered lifting appliance, which comprises a lifting appliance frame, a telescopic connecting rod, a supporting rod and two claw hand rods which are bilaterally and symmetrically arranged at two sides of the lifting appliance frame, wherein the upper ends of the two claw hand rods are respectively and movably connected with one side of the lifting appliance frame in a rotating mode, the lower ends of the two claw hand rods are respectively and fixedly connected with a vehicle body in a releasing mode, the telescopic connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, the left end of the first connecting rod is fixedly connected with the claw hand rod at the left side, the right end of the first connecting rod is movably connected with the left end of the second connecting rod, the right end of the second connecting rod is movably connected with the left end of the third connecting rod, the right end of the third connecting rod is fixedly connected with the claw hand rod at the right side, the supporting rod is fixedly arranged in the center of the lifting appliance frame in a penetrating mode, and, and a positioning pull rope with a fixed upper end position is arranged at the joint of the first connecting rod and the second connecting rod, and a spring with a fixed upper end position is arranged at the joint of the second connecting rod and the third connecting rod.
The unpowered lifting appliance can also be as follows:
the lower end of the claw pole is fixedly provided with a hook, and the claw pole is fixedly connected with the vehicle body in a releasable manner through the hook.
The claw hand rod comprises a first hanging rod and a second hanging rod which are vertically arranged, and a cross rod which is horizontally arranged, the first suspender, the second suspender and the cross bar are respectively arranged on two sides of the hanger frame in bilateral symmetry, the cross bar is fixedly arranged between the first suspender and the second suspender, and both ends of the cross bar are respectively fixedly connected with the middle upper part of the first suspender and the middle upper part of the second suspender, the upper ends of the first suspender and the second suspender are respectively movably connected with one side of the hanger frame, the lower ends of the first suspender and the second suspender are respectively fixedly connected with the vehicle body in a releasable way, the left end of the first connecting rod is positioned in the middle of the cross rod on the left side of the hanger frame and is fixedly connected with the cross rod, the right end of the third connecting rod is positioned in the middle of the cross rod on the right side of the lifting appliance frame and is fixedly connected with the middle of the cross rod.
The upper end of the claw hand rod is hinged with one side of the lifting appliance frame.
The lifting appliance is characterized in that hinged shafts are respectively arranged on two sides of the lifting appliance frame, the front end and the rear end of each hinged shaft are respectively fixedly connected with one side of the lifting appliance frame, and the upper ends of the claw hand rods are rotatably connected onto the hinged shafts.
The invention relates to an unpowered lifting appliance, which comprises a lifting appliance frame, a telescopic connecting rod, a supporting rod and two claw hand rods which are bilaterally and symmetrically arranged at two sides of the lifting appliance frame, wherein the upper ends of the two claw hand rods are respectively and movably connected with one side of the lifting appliance frame in a rotating mode, the lower ends of the two claw hand rods are respectively and fixedly connected with a vehicle body in a releasing mode, the telescopic connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, the left end of the first connecting rod is fixedly connected with the claw hand rod at the left side, the right end of the first connecting rod is movably connected with the left end of the second connecting rod, the right end of the second connecting rod is movably connected with the left end of the third connecting rod, the right end of the third connecting rod is fixedly connected with the claw hand rod at the right side, the supporting rod is fixedly arranged in the center of the lifting appliance frame in a penetrating mode, and, and a positioning pull rope with a fixed upper end position is arranged at the joint of the first connecting rod and the second connecting rod, and a spring with a fixed upper end position is arranged at the joint of the second connecting rod and the third connecting rod. Thus, the grabbing and releasing of the car body are realized by opening and clamping two claw hand rods arranged at two sides of the hanger frame, the telescopic connecting rod is used for connecting the claw hand rods at two sides, the telescopic connecting rod contracts to draw the distance between the two claw hand rods (the claw hand rods are clamped) to grab the car body, the telescopic connecting rod extends to enlarge the distance between the two claw hand rods (the claw hand rods are opened) so as to loosen the car body, the contraction and extension of the telescopic connecting rod are realized by the positioning pull rope and the spring, after the specific hanger is descended to a proper position, the positioning pull rope is straightened under the action of gravity, the connection part of the first connecting rod and the second connecting rod is subjected to the upward pulling force of the positioning pull rope at the moment, the second connecting rod can rotate by taking the lower end of the supporting rod as the center, the left end of the second connecting rod moves upwards, the right end of the second connecting rod moves downwards, the spring is in a stretching state so as to realize the contraction of the telescopic connecting rod, the, when the lifting appliance is moved to the position above the operation splicing table and then starts to descend, when the lifting appliance descends to a certain position, the vehicle body is prevented from being placed on the splicing table, the positioning pull rope is not straightened, the spring is in a stretching state, the joint of the second connecting rod and the third connecting rod is subjected to upward pulling force under the action of the spring, the right end of the second connecting rod moves upwards, the telescopic connecting rod extends, and the claw rod is opened so as to be separated from the vehicle body. Like this, the hoist realizes hanging automatically as the power source through the elasticity of dead weight and spring and gets, need not power equipment, and simple structure has the cost reduced, has avoided because of the signal transmission and the action time of power equipment increase, need not being connected of manual operation hoist and automobile body simultaneously, has reduced operation hoist personnel's quantity, has shortened hanging of hoist and has got the time to the artifical potential safety hazard of getting the in-process of hanging has been eliminated. Compared with the prior art, the unpowered lifting appliance has the following advantages: simple structure, it is with low costs, reduced the personnel quantity of operation hoist, shortened hanging of hoist and got the time to the artifical potential safety hazard of getting the in-process of hanging has been eliminated.
Drawings
Fig. 1 is a schematic structural diagram of an unpowered spreader of the present invention.
Description of the figures
1 … hanger frame 2 … telescopic link 3 … support bar
4 … claw lever 5 … first link 6 … second link
7 … third link 8 … positioning pull rope 9 … spring
10 … hook 11 … first suspender 12 … second suspender
13 … Cross Bar
Detailed Description
An unpowered spreader of the present invention is described in further detail below with reference to fig. 1.
The invention relates to an unpowered lifting appliance, please refer to fig. 1, which comprises a lifting appliance frame 1, a telescopic connecting rod 2, a supporting rod 3 and two claw hand rods 7 symmetrically arranged at the two sides of the lifting appliance frame 1 in a bilateral mode, wherein the upper ends of the two claw hand rods 7 are respectively and movably connected with one side of the lifting appliance frame 1 in a rotatable mode, the lower ends of the two claw hand rods 7 are respectively and fixedly connected with a car body in a releasing mode, the telescopic connecting rod 2 comprises a first connecting rod 5, a second connecting rod 6 and a third connecting rod 7, the left end of the first connecting rod 5 is fixedly connected with the claw hand rod 7 at the left side, the right end of the first connecting rod 5 is movably connected with the left end of the second connecting rod 6, the right end of the second connecting rod 6 is movably connected with the left end of the third connecting rod 7, the right end of the third connecting rod 7 is fixedly connected with the claw hand rod 7 at the right side, the supporting rod 3 is fixedly arranged, the lower end of the supporting rod 3 is movably connected with the middle part of the second connecting rod 6, a positioning pull rope 8 with a fixed upper end position is arranged at the joint of the first connecting rod 5 and the second connecting rod 6, and a spring 9 with a fixed upper end position is arranged at the joint of the second connecting rod 6 and the third connecting rod 7. Thus, the grabbing and releasing of the car body are realized by opening and clamping the two claw hand rods 7 arranged at the two sides of the hanger frame 1, the telescopic connecting rod 2 is used for connecting the claw hand rods 7 at the two sides, the telescopic connecting rod 2 contracts and draws the distance between the two claw hand rods 7 (the claw hand rods 7 are clamped) to grab the car body, the telescopic connecting rod 2 extends and draws the distance between the two claw hand rods 7 (the claw hand rods 7 are opened) to release the car body, the contraction and extension of the telescopic connecting rod 2 are realized by the positioning pull rope 8 and the spring 9, after the specific hanger is descended to a proper position, the positioning pull rope 8 is straightened under the action of gravity, at the moment, the connecting part of the first connecting rod 5 and the second connecting rod 6 is subjected to the upward pulling force of the positioning pull rope 8, the second connecting rod 6 can rotate by taking the lower end of the supporting rod 3 as the center, the left end of the second connecting rod 6 moves upwards, the right end of the, thereby realize the shrink of telescopic link 2, two claw hand bars 7 press from both sides tightly and grab the automobile body and lift the automobile body and move to the operation piece together the platform, begin to descend after the hoist removes to operation piece together the platform top, when the hoist descends to certain position, prevent putting the automobile body on piece together the platform, location stay cord 8 is not straightened this moment, spring 9 is in tensile state, the connecting department of second connecting rod 6 and third connecting rod 7 receives the ascending pulling force of spring 9 effect, the right-hand member of second connecting rod 6 moves upwards, telescopic link 2 extends, thereby claw hand bar 7 opens and breaks away from with the automobile body. Like this, the hoist realizes hanging automatically as the power source through dead weight and spring 9's elasticity and gets, need not power equipment, and simple structure has the cost reduced, has avoided because of the signal transmission and the action time of power equipment increase, need not being connected of manual operation hoist and automobile body simultaneously, has reduced operation hoist personnel's quantity, has shortened hanging of hoist and has got the time to the artifical potential safety hazard of getting the in-process of hanging has been eliminated. Compared with the prior art, the unpowered lifting appliance has the following advantages: simple structure, it is with low costs, reduced the personnel quantity of operation hoist, shortened hanging of hoist and got the time to the artifical potential safety hazard of getting the in-process of hanging has been eliminated.
On the basis of the technical scheme described above, please refer to fig. 1, the unpowered spreader of the present invention may further include: the lower end of the claw pole 7 is fixedly provided with a hook 10, and the claw pole 7 is fixedly connected with the vehicle body in a releasable manner through the hook 10. Like this, compare with prior art, cancelled original flexible couple 10 of iron chain, adopted rigidity couple 10, need not the connection of manual operation hoist and automobile body, reduced operation hoist personnel's quantity, shortened the time of getting of hanging of hoist.
On the basis of the technical scheme described above, please refer to fig. 1, the unpowered spreader of the present invention may further include: the claw pole 7 comprises a first hanging rod 11 and a second hanging rod 12 which are vertically arranged, and a cross rod 13 which is horizontally arranged, the first suspender 11, the second suspender 12 and the cross bar 13 are respectively arranged on two sides of the hanger frame 1 in bilateral symmetry, the cross bar 13 is fixedly arranged between the first suspension bar 11 and the second suspension bar 12, and both ends of the cross bar 13 are fixedly connected with the middle upper part of the first suspender 11 and the middle upper part of the second suspender 12 respectively, the upper ends of the first suspender 11 and the second suspender 12 are respectively and movably connected with one side of the hanger frame 1, the lower ends of the first boom 11 and the second boom 12 are fixedly connected to the vehicle body in a releasable manner, the left end of the first connecting rod 5 is positioned in the middle of the cross rod 13 on the left side of the hanger frame 1 and fixedly connected, the right end of the third connecting rod 7 is positioned at the middle part of the cross rod 13 at the right side of the lifting appliance frame 1 and is fixedly connected with the middle part of the cross rod. Like this, through setting up 4 poles and vehicle connection, the structure is more stable, and horizontal pole 13 is used for connecting first jib 11 and second jib 12, and telescopic link 2's both ends are connected on horizontal pole 13, and simple structure is stable.
On the basis of the technical scheme described above, please refer to fig. 1, the unpowered spreader of the present invention may further include: the upper end of the claw hand rod 7 is hinged with one side of the lifting appliance frame 1. Thus, the structure is simple, the claw pole 7 can rotate around one side of the hanger frame 1, and the clamping and opening actions between the two claw poles 7 are realized. On the basis of the technical solution described above, it is further preferable that two sides of the hanger frame 1 are respectively provided with a hinge shaft, the front end and the rear end of the hinge shaft are respectively fixedly connected with one side of the hanger frame 1, and the upper end of the claw lever 7 is rotatably connected to the hinge shaft. In this way, by providing hinge shafts at both sides of the hanger frame 1 for connecting the gripper bars 7 at the left and right sides, respectively, the gripper bars 7 can be rotated around the hinge shafts, and the clamping and opening actions between the two gripper bars 7 are realized.
The above description is only for the purpose of illustrating specific embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and all equivalent changes and modifications made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (5)
1. An unpowered hoist, its characterized in that: the lifting appliance comprises a lifting appliance frame, a telescopic connecting rod, a supporting rod and two claw hand rods which are arranged on two sides of the lifting appliance frame in a bilateral symmetry manner, wherein the upper ends of the two claw hand rods are respectively and movably connected with one side of the lifting appliance frame in a rotating manner, the lower ends of the two claw hand rods are respectively and fixedly connected with a car body in a releasing manner, the telescopic connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, the left end of the first connecting rod is fixedly connected with the left claw hand rod, the right end of the first connecting rod is movably connected with the left end of the second connecting rod, the right end of the second connecting rod is movably connected with the left end of the third connecting rod, the right end of the third connecting rod is fixedly connected with the right claw hand rod, the supporting rod is fixedly arranged in the center of the lifting appliance frame in a penetrating manner, the lower end of the supporting rod is movably connected with the middle part of the second connecting rod, and a positioning pull rope with, and a spring with the upper end fixed is arranged at the joint of the second connecting rod and the third connecting rod.
2. An unpowered spreader according to claim 1, wherein: the lower end of the claw pole is fixedly provided with a hook, and the claw pole is fixedly connected with the vehicle body in a releasable manner through the hook.
3. An unpowered spreader according to claim 1, wherein: the claw hand rod comprises a first hanging rod and a second hanging rod which are vertically arranged, and a cross rod which is horizontally arranged, the first suspender, the second suspender and the cross bar are respectively arranged on two sides of the hanger frame in bilateral symmetry, the cross bar is fixedly arranged between the first suspender and the second suspender, and both ends of the cross bar are respectively fixedly connected with the middle upper part of the first suspender and the middle upper part of the second suspender, the upper ends of the first suspender and the second suspender are respectively movably connected with one side of the hanger frame, the lower ends of the first suspender and the second suspender are respectively fixedly connected with the vehicle body in a releasable way, the left end of the first connecting rod is positioned in the middle of the cross rod on the left side of the hanger frame and is fixedly connected with the cross rod, the right end of the third connecting rod is positioned in the middle of the cross rod on the right side of the lifting appliance frame and is fixedly connected with the middle of the cross rod.
4. An unpowered spreader according to any one of claims 1 to 3, wherein: the upper end of the claw hand rod is hinged with one side of the lifting appliance frame.
5. An unpowered spreader according to claim 4, wherein: the lifting appliance is characterized in that hinged shafts are respectively arranged on two sides of the lifting appliance frame, the front end and the rear end of each hinged shaft are respectively fixedly connected with one side of the lifting appliance frame, and the upper ends of the claw hand rods are rotatably connected onto the hinged shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552289.2A CN111332942A (en) | 2018-12-19 | 2018-12-19 | Unpowered lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552289.2A CN111332942A (en) | 2018-12-19 | 2018-12-19 | Unpowered lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111332942A true CN111332942A (en) | 2020-06-26 |
Family
ID=71177603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811552289.2A Pending CN111332942A (en) | 2018-12-19 | 2018-12-19 | Unpowered lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111332942A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1521694A1 (en) * | 1988-02-10 | 1989-11-15 | Предприятие П/Я А-1950 | Load-engaging device |
| JPH07330278A (en) * | 1994-06-03 | 1995-12-19 | Mitsubishi Heavy Ind Ltd | Automatic hoisting accessory |
| CN104310204A (en) * | 2014-09-17 | 2015-01-28 | 安徽巨一自动化装备有限公司 | Multiple-connecting rod hanger unit |
| CN205740031U (en) * | 2016-06-25 | 2016-11-30 | 江苏卡威汽车研究院有限公司 | A kind of special hanger hanging lower assembly line for vehicle body |
| CN106335843A (en) * | 2016-11-24 | 2017-01-18 | 陈少梅 | Industrial lifting device for high-temperature environment |
| CN209306819U (en) * | 2018-12-19 | 2019-08-27 | 上汽通用五菱汽车股份有限公司 | A kind of Non-power spreader |
-
2018
- 2018-12-19 CN CN201811552289.2A patent/CN111332942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1521694A1 (en) * | 1988-02-10 | 1989-11-15 | Предприятие П/Я А-1950 | Load-engaging device |
| JPH07330278A (en) * | 1994-06-03 | 1995-12-19 | Mitsubishi Heavy Ind Ltd | Automatic hoisting accessory |
| CN104310204A (en) * | 2014-09-17 | 2015-01-28 | 安徽巨一自动化装备有限公司 | Multiple-connecting rod hanger unit |
| CN205740031U (en) * | 2016-06-25 | 2016-11-30 | 江苏卡威汽车研究院有限公司 | A kind of special hanger hanging lower assembly line for vehicle body |
| CN106335843A (en) * | 2016-11-24 | 2017-01-18 | 陈少梅 | Industrial lifting device for high-temperature environment |
| CN209306819U (en) * | 2018-12-19 | 2019-08-27 | 上汽通用五菱汽车股份有限公司 | A kind of Non-power spreader |
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