CN114435435A - Four-wheel linkage type trolley with radius adjustable function - Google Patents
Four-wheel linkage type trolley with radius adjustable function Download PDFInfo
- Publication number
- CN114435435A CN114435435A CN202111643175.0A CN202111643175A CN114435435A CN 114435435 A CN114435435 A CN 114435435A CN 202111643175 A CN202111643175 A CN 202111643175A CN 114435435 A CN114435435 A CN 114435435A
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- China
- Prior art keywords
- connecting rod
- trolley
- wheel
- hinged
- rod
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Links
- 238000009434 installation Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 20
- 238000004804 winding Methods 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/001—Steering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a four-wheel linkage type trolley with a radius adjustable function, which comprises a supporting underframe, wherein linkage shafts capable of rotating are arranged at four corners of the supporting underframe, a first connecting rod is fixedly connected to the upper position of each linkage shaft, a wheel shaft is connected to the outer side position below each linkage shaft, and wheels are arranged on the wheel shafts; the four-wheel linkage mechanism has the advantages that the design structure is simple, the use is convenient, the change of the motion trail of the whole trolley can be realized through the rotation of the driving rod, the requirement for winding of bent pipes with different radians is facilitated, the matching of the motion trail of the trolley and the radian of the bent pipes can be effectively realized through the four-wheel linkage function, the collision between a cladding machine above the trolley and the bent pipes is prevented, the cladding quality is improved, and the working efficiency is also improved.
Description
Technical Field
The invention belongs to the technical field of design of supporting trolleys for winding petrochemical bent pipe heat-shrinkable belts, and particularly relates to a four-wheel linkage type trolley with a radius adjustable function.
Background
At present, in order to prolong the service life of the bent pipe for the petrochemical engineering pipeline, a layer of thermal shrinkage anti-corrosion adhesive tape is usually wound on the surface of the bent pipe so as to resist the corrosion of humid air, ultraviolet rays and corrosive liquid in the environment to the bent pipe. The mode of winding the anticorrosion adhesive tape on the elbow pipe in the prior art is gradually transited to mechanical winding from manual winding in the past, namely, manual winding is replaced by a cladding machine, and during working, the elbow pipe moves into a working hole of the cladding machine, so that the purpose of winding the anticorrosion adhesive tape on the outer wall of the elbow pipe is achieved in the motion process of the elbow pipe.
However, the precision requirement of the motion trail of the bent pipe is high in the above working mode, namely the bent pipe is required to enter a working hole of the cladding machine according to the bending radius of the bent pipe, if deviation is generated in the motion process, the bent pipe is contacted with the cladding machine, and serious consequences are caused; in order to avoid the problems, in the prior art, the bending pipe is fixed, the wrapping machine is moved to wind the heat-shrinkable belt, the wrapping machine moves along the bending track of the bending pipe, and the heat-shrinkable belt is wound in the moving process, so that the moving and supporting conditions of the bending pipe can be replaced, and a good effect is achieved; however, in actual work, it is found that the conventional trolley for supporting the cladding machine cannot move according to the bending radian of the bent pipe, and the situation that the trolley collides with the bent pipe when the cladding machine moves is caused, so that the winding work of the heat-shrinkable belt is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the four-wheel linkage type trolley with the radius adjustable function, the structural design is simple and reasonable, the use is convenient, the change of the motion track of the whole trolley can be realized by rotating the driving rod, the winding work of bent pipes with different radians is favorably met, the matching of the motion track of the trolley and the radian of the bent pipes can be effectively realized by the four-wheel linkage function, the collision between a cladding machine above the trolley and the bent pipes is prevented, the cladding quality is improved, and the working efficiency is also improved.
The technical scheme adopted by the invention is as follows: a four-wheel linkage type trolley with a radius adjustable function comprises a supporting underframe, linkage shafts capable of rotating are mounted at four corners of the supporting underframe, a first connecting rod is fixedly connected to the upper position of each linkage shaft, a wheel shaft is connected to the outer side position below each linkage shaft, and wheels are mounted on the wheel shafts; two first connecting rods at the same side of the trolley are respectively hinged with a second connecting rod, the tail ends of the two second connecting rods are respectively hinged with a third connecting rod, the middle position of the third connecting rod close to the front of the trolley is fixedly connected with a driving rod, the middle section of the driving rod is hinged on the supporting underframe, the tail end of the driving rod extends to the outer position of the supporting underframe, the middle position of the third connecting rod close to the rear of the trolley is fixedly connected with a fourth connecting rod, and the tail end of the fourth connecting rod is hinged on the supporting underframe; and the third connecting rod is hinged with the two third connecting rods.
The tail end of the fifth connecting rod is hinged to the end parts of the front third connecting rod and the rear third connecting rod, and the two hinge points of the fifth connecting rod are located at the end parts of the two third connecting rods on different sides.
The third connecting rod and the driving rod are perpendicular to each other, and the third connecting rod and the fourth connecting rod are perpendicular to each other.
Two first connecting rods and the driving rod which are positioned in front of the trolley are arranged in parallel, and two first connecting rods and the fourth connecting rod which are positioned behind the trolley are arranged in parallel.
The supporting chassis comprises two parallel cross rods and two parallel longitudinal rods, the adjacent cross rods are welded with the longitudinal rods, the tail end of a fourth connecting rod is hinged to the middle position of the cross rod, and a hinged point in the middle section of the driving rod is located in the middle position of the cross rod in the front.
An arc pole is installed to the horizontal pole department in dolly the place ahead, and the T type groove of arc structure is seted up on the surface of arc pole, and the circular arc center in T type groove is located the intermediate position of the horizontal pole in the place ahead, installs a T type piece on the actuating lever, and the gliding installation of T type piece is at T type inslot, installs locking screw on the T type piece.
When the four-wheel linkage type trolley with the radius adjustable function is used, the cladding machine is fixed on the supporting underframe, and the trolley is moved, so that the cladding machine can be moved; in order to enable the cladding machine to move along the arc of the bent pipe, the rotation angle of the wheel can be adjusted by rotating the driving rod, specifically, after the driving rod is rotated, the third connecting rod connected with the driving rod generates deviation, so that two second connecting rods at two ends of the third connecting rod are driven to move, the two second connecting rods drive the first connecting rod to move, after the first connecting rod moves, the first connecting rod is fixedly connected with the linkage shaft, the lower end of the linkage shaft is connected with the wheel through a wheel shaft, so that the linkage shaft can be driven to rotate, and after the linkage shaft rotates, the two wheels are driven to deflect in the same direction; the front wheels deflect, and meanwhile, the third connecting rod at the rear part of the trolley can deflect under the action of the fifth connecting rod, and because the hinge points of the fifth connecting rod and the two third connecting rods are positioned at the two sides of the central line of the trolley, the two rear wheels can deflect by utilizing the same driving mode, and the deflection angle of the rear wheels is opposite to that of the front wheels; the rotation angle through the adjustment actuating lever can be adjusted dolly motion pitch arc size, when adjusting the back that targets in place, can utilize locking screw to lock T type piece to realize the fastening of actuating lever and support chassis, the during operation promotes the dolly and can realize cladding machine movement track and the crooked radian assorted effect of return bend.
Linkage shafts capable of rotating are mounted at four corners of the supporting underframe, a first connecting rod is fixedly connected to the upper position of each linkage shaft, a wheel shaft is connected to the outer side position below each linkage shaft, and wheels are mounted on the wheel shafts; the purpose of this is: the universal driving shaft is arranged at the position of a mounting hole in the supporting underframe, the effect of rotating along the axis of the universal driving shaft can be realized, when the first connecting rod rotates, the universal driving shaft can be driven to rotate, the wheel shaft below the universal driving shaft drives the wheel shaft to rotate, and the deflection of the wheels can be realized after the wheel shaft rotates, so that the effect of adjusting the motion radius of the trolley is realized.
Two first connecting rods at the same side position of the trolley are respectively hinged with a second connecting rod, the tail ends of the two second connecting rods are respectively hinged with a third connecting rod, the middle position of the third connecting rod close to the front of the trolley is fixedly connected with a driving rod, the middle section of the driving rod is hinged on the supporting underframe, the tail end of the driving rod extends to the outer position of the supporting underframe, the middle position of the third connecting rod close to the rear of the trolley is fixedly connected with a fourth connecting rod, and the tail end of the fourth connecting rod is hinged on the supporting underframe; the purpose of this is to: through the link mechanism, two wheels on the same side can deflect at the same deflection angle, and the control of the motion radius can be effectively realized.
The device also comprises a fifth connecting rod which is hinged with the two third connecting rods; the purpose of this is: the fifth connecting rod can be used for connecting the connecting rod mechanism in front of the trolley with the connecting rod mechanism in rear of the trolley, and the connecting rod mechanism in rear can be driven to work when the connecting rod mechanism in front works, so that the effect of four-wheel linkage in front and rear is achieved.
The invention has the beneficial effects that:
the four-wheel linkage mechanism has a simple design structure, is convenient and fast to use, can change the motion trail of the whole trolley through the rotation of the driving rod, is beneficial to meeting the winding work of bent pipes with different radians, can effectively realize the matching of the motion trail of the trolley and the radians of the bent pipes through the four-wheel linkage function, prevents the collision between a cladding machine above the trolley and the bent pipes, improves the cladding quality and also improves the working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the mounting structure of the wheel of the present invention.
The labels in the figure are: 1. a cross bar; 2. a linkage shaft; 3. a wheel; 4. a longitudinal bar; 5. a second link; 6. a first link; 7. a third link; 8. a drive rod; 9. locking the screw; 10. a T-shaped block; 11. a T-shaped groove; 12. an arcuate bar; 13. a fifth link; 14. a fourth link; 15. and (4) a wheel axle.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.
As shown in the figure, the four-wheel linkage type trolley with the radius adjustable function comprises a supporting underframe, linkage shafts 2 capable of rotating are mounted at four corners of the supporting underframe, a first connecting rod 6 is fixedly connected to the upper positions of the linkage shafts 2, a wheel shaft 15 is connected to the outer side position below the linkage shafts 2, and wheels 3 are mounted on the wheel shaft 15; two first connecting rods 6 at the same side position of the trolley are respectively hinged with a second connecting rod 5, the tail ends of the two second connecting rods 5 are respectively hinged with a third connecting rod 7, the middle position of the third connecting rod 7 close to the front of the trolley is fixedly connected with a driving rod 8, the middle section of the driving rod 8 is hinged on the supporting underframe, the tail end of the driving rod 8 extends to the external position of the supporting underframe, the middle position of the third connecting rod 7 close to the rear of the trolley is fixedly connected with a fourth connecting rod 14, and the tail end of the fourth connecting rod 14 is hinged on the supporting underframe; and a fifth connecting rod 13 hinged with the two third connecting rods 7.
The tail end of the fifth connecting rod 13 is hinged to the end portions of the front and the rear third connecting rods 7, two hinged points of the fifth connecting rod 13 are located at the end portions of the two different sides of the two third connecting rods 7, as shown in fig. 1, the fifth connecting rod 13 is used for connecting the front and the rear two groups of connecting rod mechanisms, so that the four wheels 3 can deflect simultaneously, the effect that the front and the rear two groups of wheels 3 deflect at different angles can be achieved, and the trolley can move along a circular arc track when moving.
The third connecting rod 7 and the driving rod 8 are arranged perpendicular to each other, and the third connecting rod 7 and the fourth connecting rod 14 are arranged perpendicular to each other.
Two first connecting rods 6 and the actuating lever 8 that are located dolly the place ahead are parallel arrangement each other, and two first connecting rods 6 and the fourth connecting rod 14 that are located the dolly rear are parallel arrangement each other, can guarantee like this that two wheels 3 of homonymy realize deflecting simultaneously, and the angle of deflection is the same.
The supporting underframe comprises two cross rods 1 which are parallel to each other and two longitudinal rods 4 which are parallel to each other, the adjacent cross rods 1 and the longitudinal rods 4 are welded to each other, the tail end of a fourth connecting rod 14 is hinged to the middle position of the cross rod 1, and the hinge point of the middle section of a driving rod 8 is located in the middle position of the cross rod 1 in front; in addition, the supporting underframe can be designed into a plate-shaped structure so as to meet the use requirements under different conditions.
An arc pole 12 is installed to horizontal pole 1 department in dolly the place ahead, T type groove 11 of arc structure is seted up on the surface of arc pole 12, the circular arc center in T type groove 11 is located the intermediate position of place ahead horizontal pole 1, install a T type piece 10 on actuating lever 8, the gliding installation of T type piece 10 is in T type groove 11, install locking screw 9 on the T type piece 10, the purpose that sets up like this, in rotatory actuating lever 8, can utilize T type piece 10 and T type groove 11 to realize the direction, spacing effect, avoid actuating lever 8 to take place the perk problem in the direction of height, in addition, also can be after angular adjustment is good, utilize locking screw 9 to lock the position of T type piece 10, make the dolly move along fixed pitch arc orbit.
When the four-wheel linkage type trolley with the radius adjustable function is used, the cladding machine is fixed on the supporting underframe, and the trolley is moved, so that the cladding machine can be moved; in order to enable the cladding machine to move along the arc of the bent pipe, the rotation angle of the wheel 3 can be adjusted by rotating the driving rod 8, specifically, after the driving rod 8 is rotated, the third connecting rod 7 connected with the driving rod 8 generates deviation, so that the two second connecting rods 5 at two ends of the third connecting rod 7 are driven to move, the two second connecting rods 5 drive the first connecting rod 6 to move, after the first connecting rod 6 moves, because the first connecting rod 6 is fixedly connected with the linkage shaft 2, the lower end of the linkage shaft 2 is connected with the wheel 3 through the wheel shaft 15, the linkage shaft 2 can be driven to rotate, and after the linkage shaft 2 rotates, the two wheels 3 are driven to deflect in the same direction; the third connecting rod 7 at the rear of the trolley can deflect under the action of the fifth connecting rod 13 while the front wheels 3 deflect, and because the hinge points of the fifth connecting rod 13 and the two third connecting rods 7 are positioned at two sides of the central line of the trolley, the two rear wheels 3 can deflect by utilizing the same driving mode, and the deflection angle of the rear wheels 3 is opposite to that of the front wheels 3; the rotation angle through adjustment actuating lever 8 can be adjusted dolly motion arc line size, when adjusting the back that targets in place, can utilize locking screw 9 to lock T type piece 10 to realize actuating lever 8 and the fastening of supporting the chassis, the during operation promotes the dolly and can realize cladding machine movement track and the crooked radian assorted effect of return bend.
Claims (6)
1. The utility model provides a four-wheel coordinated type dolly with adjustable function of radius which characterized in that: the device comprises a supporting underframe, linkage shafts capable of rotating are arranged at four corners of the supporting underframe, a first connecting rod is fixedly connected at the upper position of each linkage shaft, a wheel shaft is connected at the outer side position below each linkage shaft, and wheels are arranged on the wheel shafts; two first connecting rods at the same side of the trolley are respectively hinged with a second connecting rod, the tail ends of the two second connecting rods are respectively hinged with a third connecting rod, the middle position of the third connecting rod close to the front of the trolley is fixedly connected with a driving rod, the middle section of the driving rod is hinged on the supporting underframe, the tail end of the driving rod extends to the outer position of the supporting underframe, the middle position of the third connecting rod close to the rear of the trolley is fixedly connected with a fourth connecting rod, and the tail end of the fourth connecting rod is hinged on the supporting underframe; and the third connecting rod is hinged with the two third connecting rods.
2. The four-wheel linkage type trolley with the radius adjustable function as claimed in claim 1, wherein: the tail end of the fifth connecting rod is hinged with the end parts of the front and the rear third connecting rods, and the two hinged points of the fifth connecting rod are positioned at the end parts of the two third connecting rods at different sides.
3. The four-wheel linkage type trolley with the radius adjustable function as claimed in claim 1, wherein: the third connecting rod and the driving rod are perpendicular to each other, and the third connecting rod and the fourth connecting rod are perpendicular to each other.
4. The four-wheel linkage type trolley with the radius adjustable function as claimed in claim 1, wherein: two first connecting rods and the driving rod which are positioned in front of the trolley are arranged in parallel, and two first connecting rods and the fourth connecting rod which are positioned behind the trolley are arranged in parallel.
5. The four-wheel linkage type trolley with the radius adjustable function as claimed in claim 1, wherein: the supporting chassis comprises two parallel transverse rods and two parallel longitudinal rods, the adjacent transverse rods are welded with the longitudinal rods, the tail end of a fourth connecting rod is hinged to the middle position of the transverse rod, and the hinged point of the middle section of the driving rod is located in the middle position of the transverse rod in the front.
6. The four-wheel linkage type trolley with the radius adjustable function as claimed in claim 1, wherein: an arc pole is installed to the horizontal pole department in dolly the place ahead, and the T type groove of arc structure is seted up on the surface of arc pole, and the circular arc center in T type groove is located the intermediate position of the horizontal pole in the place ahead, installs a T type piece on the actuating lever, and the gliding installation of T type piece is at T type inslot, installs locking screw on the T type piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643175.0A CN114435435A (en) | 2021-12-30 | 2021-12-30 | Four-wheel linkage type trolley with radius adjustable function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643175.0A CN114435435A (en) | 2021-12-30 | 2021-12-30 | Four-wheel linkage type trolley with radius adjustable function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114435435A true CN114435435A (en) | 2022-05-06 |
Family
ID=81365110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111643175.0A Pending CN114435435A (en) | 2021-12-30 | 2021-12-30 | Four-wheel linkage type trolley with radius adjustable function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114435435A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1076976A (en) * | 1996-09-06 | 1998-03-24 | Kimura Unity- Kk | Steering mechanism for truck |
| JPH11217077A (en) * | 1997-11-19 | 1999-08-10 | Toyoda Gosei Co Ltd | Conveyance carriage |
| JP2000159116A (en) * | 1998-11-30 | 2000-06-13 | Sony Corp | Carriage |
| CN106004998A (en) * | 2016-06-30 | 2016-10-12 | 西北农林科技大学 | Four-wheel in-situ steering mechanism and four-wheel in-situ steering trolley |
| CN107933687A (en) * | 2017-12-06 | 2018-04-20 | 西南交通大学 | A kind of comprehensive steering of piping lane routing inspection trolley based on wheel hub motor |
| CN111301561A (en) * | 2020-03-27 | 2020-06-19 | 浙江大学城市学院 | Omnidirectional vision intelligent vehicle convenient for secondary development |
| CN112282459A (en) * | 2020-10-18 | 2021-01-29 | 安徽鸿杰威尔停车设备有限公司 | AGV intelligent transfer robot for stereo parking garage and working method thereof |
-
2021
- 2021-12-30 CN CN202111643175.0A patent/CN114435435A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1076976A (en) * | 1996-09-06 | 1998-03-24 | Kimura Unity- Kk | Steering mechanism for truck |
| JPH11217077A (en) * | 1997-11-19 | 1999-08-10 | Toyoda Gosei Co Ltd | Conveyance carriage |
| JP2000159116A (en) * | 1998-11-30 | 2000-06-13 | Sony Corp | Carriage |
| CN106004998A (en) * | 2016-06-30 | 2016-10-12 | 西北农林科技大学 | Four-wheel in-situ steering mechanism and four-wheel in-situ steering trolley |
| CN107933687A (en) * | 2017-12-06 | 2018-04-20 | 西南交通大学 | A kind of comprehensive steering of piping lane routing inspection trolley based on wheel hub motor |
| CN111301561A (en) * | 2020-03-27 | 2020-06-19 | 浙江大学城市学院 | Omnidirectional vision intelligent vehicle convenient for secondary development |
| CN112282459A (en) * | 2020-10-18 | 2021-01-29 | 安徽鸿杰威尔停车设备有限公司 | AGV intelligent transfer robot for stereo parking garage and working method thereof |
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Application publication date: 20220506 |