CN116119507B - Triangle displacement lifting appliance capable of automatically inserting and extracting pins - Google Patents
Triangle displacement lifting appliance capable of automatically inserting and extracting pins Download PDFInfo
- Publication number
- CN116119507B CN116119507B CN202211361213.8A CN202211361213A CN116119507B CN 116119507 B CN116119507 B CN 116119507B CN 202211361213 A CN202211361213 A CN 202211361213A CN 116119507 B CN116119507 B CN 116119507B
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- limiting
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a triangle displacement lifting appliance capable of automatically inserting and extracting pins, which comprises: the steel beam is installed, a cross beam is installed on the lower side of the steel beam, and limiting blocks sliding with the cross beam are installed on the front side and the rear side of the travelling mechanism; the installation rod is arranged on the left side of the hydraulic and motor combined installation box and is arranged on the lower side of the travelling mechanism, and a fixed rod is arranged on the lower side of the connecting rod; the mounting hook is arranged on the left side of the compensation rod, the second limiting mechanism is mounted on the upper side of the lifting appliance body, and the fixing frame is mounted on the lower side of the lifting appliance body. This but triangle-shaped displacement hoist of automatic plug round pin can carry out girder steel installation construction in the complex environment that strides across canyon zone, non-navigation area, improves the efficiency of construction, and can carry out automatic plug round pin, reduces manual operation step, eliminates the instability of manual operation, and the transportation of rise steel case roof beam is installed intellectuality, mechanized level, shortens steel case roof beam transportation installation period, reduce cost, promotes quality.
Description
Technical Field
The invention relates to the technical field of bridge erection, in particular to a triangular displacement lifting appliance capable of automatically inserting and extracting pins.
Background
At present, the steel beam installation method comprises a floating crane method, a pushing method, a suspension splicing method, a block assembly method and a turning method, and the steel beam transportation method comprises ship transportation, trestle bridge transportation, automobile crane lifting beams, bridge deck crane lifting beams and the like, and each process can be freely selected and combined according to different environments.
Along with popularization of national infrastructure to remote areas, future combined beam bridges are challenged to larger-span and more complex environments, more and more bridges are pulled out from the ground in the environments of canyon areas, non-navigable water areas and the like, and innovative breakthrough of steel beam transportation and quick installation technology in the areas of the combined beam bridges is imperative.
Therefore, the creation and development of a new process and new equipment have important significance for accelerating bridge construction, reducing cost and enhancing efficiency under the environment.
The bridge deck portal bridge girder erection machine can solve the problem of bridge deck portal bridge girder erection in narrow non-navigable areas in the field of bridge construction equipment with the Chinese patent authority publication number of CN 102330412B. The invention provides the following technical scheme: a bridge deck portal bridge girder erection machine is characterized in that: the lifting device comprises a frame, wherein a movable lifting appliance is arranged on the frame, supporting feet are respectively arranged on two sides of one end of the frame, a guide rail is arranged at the bottom of each supporting foot, the guide rail and the supporting feet can be in sliding fit, and a supporting rod of each supporting foot, which is positioned on one side of the middle of the frame, and a main beam of the same side are positioned on the same straight line. By adopting the scheme, the invention aims to overcome the defects in the prior art and provide the novel bridge deck portal bridge girder erection machine which is designed and constructed for a large-span steel truss stiffening girder suspension bridge and can be used on a bridge with a large span;
a high-level girder falling construction method in box girder erection with the publication number of CN106087757B is disclosed, and belongs to the technical field of bridge construction. The construction steps of the invention are as follows: the pier cap is subjected to concrete pouring for the first time, so that the jack operation conditions in the box girder storage and lifting and girder falling processes are met; erecting a box girder to a design position without pouring support mortar; the box girder is lifted, a girder lifting appliance of a bridge girder erection machine is not dismounted, and a jack is adopted to simulate lifting and girder falling exercise of the box girder through the assistance of the bridge girder erection machine; the bridge girder erection machine retreats to a girder field, the box girder is lifted to be 420mm higher than the design elevation, and the bottom of the box girder is supported by adopting a steel plate layer at four points; stretching the longitudinal prestressed bundles of the continuous beam; pouring support mortar from the high-level beam to the design position; and pouring concrete for the second time. The invention has simple operation and convenient construction, and can shorten the construction period and reduce the construction cost.
The prior art solutions described above have the following drawbacks: for complex environments crossing canyon zones and non-navigation areas, the steel beam is difficult to install and construct, the steel beam is difficult to transport by using the corresponding lifting appliance, and manual pin inserting and pulling operation is needed, so that the automation degree is not high.
Disclosure of Invention
The invention aims to provide a triangular displacement lifting appliance capable of automatically inserting and extracting pins, so as to solve the problems that in the prior art, for a complex environment crossing canyon zones and non-navigation areas, steel beam installation and construction are difficult, the steel beam is difficult to transport by utilizing the corresponding lifting appliance, manual pin inserting and extracting operation is needed, and the degree of automation is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: a triangle displacement spreader with automatic pin insertion and extraction, comprising:
the steel beam is installed, the lower side of the steel beam is provided with a cross beam, the outer side of the cross beam is provided with a travelling mechanism, the front side and the rear side of the travelling mechanism are provided with limiting blocks which slide with the cross beam, the left end and the right end of the travelling mechanism are provided with auxiliary supporting hydraulic braking mechanisms, and the lower side of the travelling mechanism is provided with a combined hydraulic and motor installation box for providing power;
the installation rod is arranged on the left side of the hydraulic and motor combined installation box and is arranged on the lower side of the travelling mechanism, the lower end of the installation rod is provided with a connecting rod, the lower side of the connecting rod is provided with a fixed rod, the lower end of the fixed rod is provided with a first limiting mechanism, and the inner side of the first limiting mechanism is provided with a compensating rod;
the installation hook is arranged on the left side of the compensation rod, the outer side of the installation hook is fixedly provided with a lifting appliance body, a second limiting mechanism is arranged on the upper side of the lifting appliance body, a travelling crane steel cable which can provide lifting capacity is arranged on the upper side of the second limiting mechanism, and a fixing frame is arranged on the lower side of the lifting appliance body.
Preferably, the second limiting mechanism comprises a supporting frame, a mounting shaft, a plug pin mechanism, a mounting tube and a traction electromagnet;
the support frame, its inboard is fixed with the installation axle through welded fastening, and the installation tube is installed to the rear side of support frame to the outside of installation tube is provided with traction electromagnet, and plug pin mechanism is installed to the front side of support frame.
Preferably, the plug pin mechanism comprises a mounting shell, a limiting rod, a pin rod, an engagement wheel and a driving rod;
the mounting shell is provided with a limiting rod fixed on the inner side, and a pin rod is arranged on the outer side of the limiting rod;
the engagement wheel is arranged at the outer side of the pin rod, and the driving rod is arranged at the left side of the engagement wheel.
Preferably, the lifting appliance body comprises a mounting frame, a reinforcing rib, a reinforcing plate, a first connecting hole and a second connecting hole;
the mounting bracket, its inboard is fixed with the strengthening rib through welded fastening, and plug pin mechanism is installed in the outside of reinforcing plate, and the second linking hole is installed to the downside of mounting bracket, and the upside of mounting bracket installs first linking hole.
Preferably, the fixing frame comprises a steel frame, a mounting seat, a connecting plate and a positioning block;
the installation seat is installed on the outer side of the steel frame, the connecting plate is installed on the upper side of the steel frame, and the positioning block is installed on the inner side of the connecting plate.
Preferably, the pin rod, the mounting shell and the limiting rod are in sliding connection, the limiting rod is arranged in bilateral symmetry about the center of the pin rod, the outer side of the pin rod is in threaded connection with the inner side of the engagement wheel, and the outer side of the engagement wheel and the driving rod form a worm and gear structure.
Preferably, the pin rod penetrates through the inner side of the first connecting hole, and the rear end of the pin rod is provided with a stepped annular groove structure.
Preferably, the connecting plate is arranged symmetrically around the center of the steel frame, the positioning block is elastically connected with the connecting plate through a spring, and the outer side of the inner end of the positioning block is obliquely arranged.
Preferably, the right end longitudinal section of the mounting hook is J-shaped, the right end of the mounting hook is connected with the left end of the compensation rod in a clamping way, the compensation rod is connected with the inner side of the first limiting mechanism in a rotating way, and the first limiting mechanism and the second limiting mechanism are identical in structure.
Preferably, the lower end of the lifting appliance body is rotatably connected with the inner side of the steel frame, and the inner side of the lifting appliance body is in clamping connection with the positioning block.
Compared with the prior art, the invention has the beneficial effects that: the triangular displacement lifting appliance capable of automatically inserting and extracting pins can be used for carrying out steel girder installation construction in a complex environment crossing canyon ground zones and non-navigation areas, so that the construction efficiency is improved, the automatic pin inserting and extracting steps can be carried out, the manual operation steps are reduced, the instability of manual operation is eliminated, the intelligent and mechanical level of steel box girder transportation and installation is realized, the steel box girder transportation and installation period is shortened, the cost is reduced, and the quality is improved;
1. through the transportation of cooperation advancing mechanism and driving cable wire for the hoist body can drive the fixed girder steel of mount downside and transport, makes the girder steel can carry out girder steel installation construction in crossing across the complex environment in canyon zone, non-navigation area, improves the efficiency of construction;
2. the pin rod, the mounting shell and the limiting rod are in sliding connection, the limiting rod is symmetrically arranged left and right relative to the center of the pin rod, the outer side of the pin rod and the inner side of the engagement wheel are in threaded connection, the outer side of the engagement wheel and the driving rod are in a worm and gear structure, so that after the travelling steel cable descends the second limiting mechanism to a certain height, the center of the pin rod and the center of the first engagement hole are opposite, the motor on the upper side of the driving rod is started to enable the pin rod to penetrate through the first engagement hole, then the travel is judged by using the traction electromagnet, after the pin rod reaches the traction electromagnet, the motor is stopped, automatic pin inserting and pulling of the lifting tool body is completed, manual operation steps are reduced, instability of manual operation is eliminated, intelligent and mechanical level of transportation and installation of a lifting steel box girder is shortened, the transportation and installation period of the steel box girder is reduced, and the quality is improved;
3. through first stop gear and second stop gear's structure the same for the second links up the hole and also carries out automatic plug round pin with first stop gear inboard, and cooperates the lift adjustment of driving cable wire, can adjust the running state of hoist body, carries out the angle modulation to it, has reduced the overhead working risk, has improved the efficiency of construction.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a side view of a second spacing mechanism of the present invention connected to a first engagement hole;
FIG. 3 is a schematic top view of the connection of the lug and pin of the present invention;
FIG. 4 is a schematic diagram of the structure of the connection of the pin inserting and pulling mechanism and the supporting frame;
FIG. 5 is a schematic diagram showing the front view of the connection of the first engagement hole and the mounting frame;
FIG. 6 is a schematic side view of the connection of the first engagement hole and the mounting frame;
FIG. 7 is a schematic diagram of a side view of a connection between a positioning block and a connecting plate according to the present invention.
In the figure: 1. the steel beam is installed; 2. a travel mechanism; 3. a hydraulic braking mechanism; 4. a limiting block; 5. a hydraulic and motor combined mounting box; 6. a mounting rod; 7. a connecting rod; 8. a fixed rod; 9. a first limiting mechanism; 10. a compensation rod; 11. a travelling crane steel rope; 12. a second limiting mechanism; 1201. a support frame; 1202. a mounting shaft; 1203. a pin inserting and pulling mechanism; 120301, mounting a housing; 120302, a stop lever; 120303, pin rod; 120304, engagement wheel; 120305, active lever; 1204. installing a pipe; 1205. traction electromagnet; 13. a hanger body; 1301. a mounting frame; 1302. reinforcing ribs; 1303. a reinforcing plate; 1304. a first engagement hole; 1305. a second engagement hole; 14. a fixing frame; 1401. a steel frame; 1402. a mounting base; 1403. a splice plate; 1404. a positioning block; 15. a mounting hook; 16. and a cross beam.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the triangular displacement lifting appliance comprises a beam 16, a travelling mechanism 2, limiting blocks 4, auxiliary supporting hydraulic braking mechanisms 3, a hydraulic and motor combined installation box 5, an installation rod 6, a connecting rod 7, a fixing rod 8, a first limiting mechanism 9 and a compensating rod 10, wherein the beam 16 is installed on the lower side of an installed steel beam 1, the travelling mechanism 2 is installed on the outer side of the beam 16, the limiting blocks 4 sliding with the beam 16 are installed on the front side and the rear side of the travelling mechanism 2, the auxiliary supporting hydraulic braking mechanisms 3 are installed on the left end and the right end of the travelling mechanism 2, the hydraulic and motor combined installation box 5 is installed on the lower side of the travelling mechanism 2, the installation rod 6 is arranged on the left side of the hydraulic and motor combined installation box 5, the connecting rod 7 is installed on the lower side of the installation rod 6, the fixing rod 8 is installed on the lower side of the connecting rod 7, the first limiting mechanism 9 is arranged on the lower end of the fixing rod 8, and the compensating rod 10 is installed on the inner side of the first limiting mechanism 9;
the mounting hook 15 is arranged at the left side of the compensation rod 10, the outer side of the mounting hook 15 is fixedly provided with a lifting appliance body 13, the lifting appliance body 13 comprises a mounting frame 1301, a reinforcing rib 1302, a reinforcing plate 1303, a first connecting hole 1304 and a second connecting hole 1305, the reinforcing rib 1302 is fixed at the inner side of the mounting frame 1301 through welding, a plug pin mechanism 1203 is arranged at the outer side of the reinforcing plate 1303, the second connecting hole 1305 is arranged at the lower side of the mounting frame 1301, the first connecting hole 1304 is arranged at the upper side of the mounting frame 1301, the upper side of the lifting appliance body 13 is provided with a second limiting mechanism 12, the upper side of the second limiting mechanism 12 is provided with a travelling crane steel rope 11 for providing lifting capability, the second limiting mechanism 12 comprises a supporting frame 1201, a mounting shaft 1202, a plug pin mechanism 1203, a mounting pipe 1204 and a traction electromagnet 1205, the mounting shaft 1202 is fixed at the inner side of the supporting frame 1201 through welding, the rear side of the supporting frame 1201 is provided with a mounting tube 1204, the outer side of the mounting tube 1204 is provided with a traction electromagnet 1205, the front side of the supporting frame 1201 is provided with a plug pin mechanism 1203, the plug pin mechanism 1203 comprises a mounting shell 120301, a limiting rod 120302, a pin 120303, a joint wheel 120304 and a driving rod 120305, the limiting rod 120302 is fixed on the inner side of the mounting shell 120301, the pin 120303 is arranged on the outer side of the limiting rod 120302, the joint wheel 120304 is arranged on the outer side of the pin 120303, the driving rod 120305 is arranged on the left side of the joint wheel 120304, the lower side of the lifting appliance body 13 is provided with a fixing frame 14, the fixing frame 14 comprises a steel frame 1401, a mounting seat 1402, a joint plate 1403 and a positioning block 1404, the mounting seat 1402 is arranged on the outer side of the steel frame 1401, the upper side of the steel frame 1401 is provided with the joint plate 1403, and the inner side of the joint plate 1403 is provided with the positioning block 1404;
in using the device, as shown in fig. 1, 3 and 4, the second limiting mechanism 12 is not connected with the hanger body 13, the travelling mechanism 2 is utilized to move the first limiting mechanism 9 to the upper side of the steel beam, the travelling mechanism 2 is utilized to hydraulically brake the steel beam by utilizing the hydraulic brake mechanism 3, the steel frame 1401 is manually installed and fixed with the steel beam, then the travelling steel cable 11 is driven to move left and right by the travelling crane installed on the upper side of the travelling steel cable 11, the travelling steel cable 11 is moved to be right above the first connecting hole 1304, the travelling steel cable 11 is controlled to descend, the center of the pin 120303 is aligned with the center of the first connecting hole 1304, the upper motor of the driving rod 120305 is started, as shown in fig. 2 and 3, the sliding connection is formed by the pin 120303, the installation shell 120301 and the limiting rod 120302, the limiting rod 120302 is symmetrically arranged left and right with respect to the center of the pin rod 120303, the outer side of the pin rod 120303 and the inner side of the engagement wheel 120304 form threaded connection, the outer side of the engagement wheel 120304 and the driving rod 120305 form a worm and gear structure, so that the pin rod 120303 moves backwards and penetrates through the inner side of the first engagement hole 1304, then the travel is judged by the traction electromagnet 1205, the pin rod 120303 reaches the inside of the traction electromagnet 1205, and after the motor stops, the automatic pin inserting and extracting of the lifting appliance body 13 is completed, manual operation steps are reduced, the structure of the first limiting mechanism 9 and the structure of the second limiting mechanism 12 are the same, and the second engagement hole 1305 at the moment and the pin rod 120303 on the outer side of the first limiting mechanism 9 also form penetrating connection;
in fig. 1, fig. 5 and fig. 6, the longitudinal section of the mounting frame 1301 is triangular, so that after the travelling crane steel cable 11 is lifted, a steel frame 1401 installed at the lower end of the mounting frame 1301 not only can be subjected to height change, but also can be subjected to left-right displacement to a certain extent, thereby adjusting the running state of the lifting appliance body 13, and after the lifting appliance body 13 drives the fixing frame 14 to move, the position of the steel beam is adjusted, and then the travelling crane steel cable 11 is controlled to be lifted, and then the steel beam is installed;
when the lifting tool body 13 is recovered, as shown in fig. 2 and 3, the motor on the upper side of the driving rod 120305 is controlled, so that the driving rod 120305 is reversed, the pin rod 120303 is moved forwards, the pin rod 120303 is not limited to the first connecting hole 1304 any more, the lifting tool body 13 is separated from the installation of the second limiting mechanism 12, as shown in fig. 7, the connecting plate 1403 is arranged in a front-back symmetrical manner with respect to the center of the steel frame 1401, the positioning block 1404 is elastically connected with the connecting plate 1403 through a spring, the outer side of the inner end of the positioning block 1404 is obliquely arranged, the positioning block 1404 can be clamped with the mounting frame 1301 at a certain angle, so that the random shaking of the mounting frame 14 in the moving process is avoided, as shown in fig. 1, the right end longitudinal section of the mounting hook 15 is in a J shape, the right end of the mounting hook 15 is clamped with the left end of the compensating rod 10, the compensating rod 10 is in rotary connection with the inner side of the first limiting mechanism 9, the compensating rod 10 and the mounting hook 15 can be subjected to certain length compensation, and the operation change of the lifting tool body 13 can be adapted.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. Triangle-shaped displacement hoist that can automatic plug round pin, its characterized in that includes:
the steel beam is installed, the lower side of the steel beam is provided with a cross beam, the outer side of the cross beam is provided with a travelling mechanism, the front side and the rear side of the travelling mechanism are provided with limiting blocks which slide with the cross beam, the left end and the right end of the travelling mechanism are provided with auxiliary supporting hydraulic braking mechanisms, and the lower side of the travelling mechanism is provided with a combined hydraulic and motor installation box for providing power;
the installation rod is arranged on the left side of the hydraulic and motor combined installation box and is arranged on the lower side of the travelling mechanism, the lower end of the installation rod is provided with a connecting rod, the lower side of the connecting rod is provided with a fixed rod, the lower end of the fixed rod is provided with a first limiting mechanism, and the inner side of the first limiting mechanism is provided with a compensating rod;
the lifting device comprises a compensation rod, a mounting hook, a lifting mechanism and a lifting mechanism, wherein the mounting hook is arranged on the left side of the compensation rod, a lifting appliance body is fixed on the outer side of the mounting hook, a second limiting mechanism is arranged on the upper side of the lifting appliance body, a travelling steel rope capable of providing lifting capacity is arranged on the upper side of the second limiting mechanism, the second limiting mechanism has the same structure as the first limiting mechanism, a fixing frame is arranged on the lower side of the lifting appliance body, and the second limiting mechanism comprises a supporting frame, a mounting shaft, a plug pin mechanism, a mounting tube and a traction electromagnet; the support frame, its inboard is fixed with the installation axle through welded fastening, and the installation tube is installed to the rear side of support frame to the outside of installation tube is provided with traction electromagnet, and plug pin mechanism is installed to the front side of support frame.
2. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 1, wherein: the pin inserting and pulling mechanism comprises a mounting shell, a limiting rod, a pin rod, an engagement wheel and a driving rod;
the mounting shell is provided with a limiting rod fixed on the inner side, and a pin rod is arranged on the outer side of the limiting rod;
the engagement wheel is arranged at the outer side of the pin rod, and the driving rod is arranged at the left side of the engagement wheel.
3. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 1, wherein: the lifting appliance body comprises a mounting frame, reinforcing ribs, a reinforcing plate, a first connecting hole and a second connecting hole;
the mounting bracket, its inboard is fixed with the strengthening rib through welded fastening, and plug pin mechanism is installed in the outside of reinforcing plate, and the second linking hole is installed to the downside of mounting bracket, and the upside of mounting bracket installs first linking hole.
4. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 1, wherein: the fixing frame comprises a steel frame, a mounting seat, a joint plate and a positioning block;
the installation seat is installed on the outer side of the steel frame, the connecting plate is installed on the upper side of the steel frame, and the positioning block is installed on the inner side of the connecting plate.
5. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 2, wherein: the pin rod, the mounting shell and the limiting rod are in sliding connection, the limiting rod is arranged in bilateral symmetry relative to the center of the pin rod, the outer side of the pin rod is in threaded connection with the inner side of the engagement wheel, and the outer side of the engagement wheel and the driving rod form a worm and gear structure.
6. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 2, wherein: the pin rod penetrates through the inner side of the first connecting hole, and the rear end of the pin rod is provided with a stepped annular groove structure.
7. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 4, wherein: the connecting plate is arranged in a front-back symmetrical mode relative to the center of the steel frame, the positioning block is elastically connected with the connecting plate through a spring, and the outer side of the inner end of the positioning block is obliquely arranged.
8. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 1, wherein: the right end longitudinal section of the mounting hook is J-shaped, the right end of the mounting hook is connected with the left end of the compensation rod in a clamping mode, and the compensation rod is connected with the inner side of the first limiting mechanism in a rotating mode.
9. The triangle displacement lifting appliance capable of automatically inserting and extracting pins according to claim 1, wherein: the lower end of the lifting appliance body is rotatably connected with the inner side of the steel frame, and the inner side of the lifting appliance body is in clamping connection with the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361213.8A CN116119507B (en) | 2022-11-02 | 2022-11-02 | Triangle displacement lifting appliance capable of automatically inserting and extracting pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361213.8A CN116119507B (en) | 2022-11-02 | 2022-11-02 | Triangle displacement lifting appliance capable of automatically inserting and extracting pins |
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| Publication Number | Publication Date |
|---|---|
| CN116119507A CN116119507A (en) | 2023-05-16 |
| CN116119507B true CN116119507B (en) | 2024-02-09 |
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| CN202211361213.8A Active CN116119507B (en) | 2022-11-02 | 2022-11-02 | Triangle displacement lifting appliance capable of automatically inserting and extracting pins |
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