CN109763439B - Semi-automatic spiral elevating gear - Google Patents
Semi-automatic spiral elevating gear Download PDFInfo
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- CN109763439B CN109763439B CN201910072571.9A CN201910072571A CN109763439B CN 109763439 B CN109763439 B CN 109763439B CN 201910072571 A CN201910072571 A CN 201910072571A CN 109763439 B CN109763439 B CN 109763439B
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- 230000003028 elevating effect Effects 0.000 title description 2
- 238000009434 installation Methods 0.000 claims abstract description 79
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 10
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004836 Glue Stick Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a semi-automatic spiral lifting device, which comprises an installation box which is arranged in a concrete pavement, wherein three lifting bodies are arranged in the installation box, and three driving arms are arranged in the installation box; three first rotating shafts are arranged between every two adjacent lifting bodies, driving gears are fixedly arranged on the first rotating shafts, driven gears are further arranged in the installation box, and third rotating shafts are arranged in the installation box; the number of teeth of the driving gear is the same as that of the driven gear. According to the invention, all parts are centralized together through the installation box, and the installation box is embedded into the concrete pavement, so that the infirm problem of dispersed installation is avoided, meanwhile, the lifting body adopts a triangular distribution mode to prevent the vehicle from passing on one hand, and is matched with the three driving arms on the other hand, the synchronous lifting of the three lifting columns, the synchronous lifting of the two lifting columns and the independent lifting of the single lifting column are realized, and the lifting mode of the lifting columns is expanded.
Description
Technical Field
The invention relates to the technical field of lifting columns, in particular to a semi-automatic spiral lifting device.
Background
With the improvement of city management, vehicles are controlled to pass in many places in a lifting column mode, so that the lifting column is widely applied to passage entrances and exits (such as fire passages, parks, pedestrian streets and the like) of infrequently-passing vehicles. The existing lifting column in the market is mainly in a semi-automatic locking type or a full-automatic remote control type. But all have more or less certain problems. Semi-automatic lock catch type, the installation is inconvenient, rocks insecure after the installation. Although the fully automatic lifting column has various lifting modes in the aspect of operation, the manufacturing cost is too high, and for the fully automatic lifting column adopted in places where vehicles do not frequently pass, the fully automatic lifting column rarely carries out lifting work, so that the waste of resources is caused.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a semi-automatic spiral lifting device to adapt to an access channel which does not need frequent lifting, reduce the use cost and simultaneously realize various lifting modes of a full-automatic lifting column so as to meet different field requirements.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a semi-automatic spiral lifting device, which comprises a cuboid-shaped installation box which is arranged in a concrete pavement, wherein three lifting bodies which are distributed in a triangular manner are arranged in the installation box, the connecting line of the centers of the projections of the three lifting bodies on the bottom of the installation box forms an isosceles obtuse triangle, three driving arms for driving the lifting bodies to move are arranged in the installation box, the three driving arms are respectively positioned on three horizontal planes, and when the three driving arms are tightly attached to the lifting bodies, the extension lines of the projections of the three driving arms on the bottom of the installation box are intersected to form a geometric figure which is similar to the isosceles obtuse triangle; the middle of two adjacent lifting bodies is provided with three first rotating shafts which are in one-to-one correspondence with the three driving arms, driving gears for driving the driving arms to move are fixedly arranged on the first rotating shafts, two driven gears meshed with the driving gears are further arranged in the installation box, third rotating shafts which are coaxially fixed with the driven gears are correspondingly arranged in the installation box, the driving gears and the driven gears form an isosceles triangle in the central connecting line of the projection of the driving gears and the driven gears at the bottom of the installation box, and the first rotating shafts and the third rotating shafts are both rotatably arranged in the installation box; the number of teeth of the driving gear is the same as that of the driven gear, and the first rotating shaft and the end part, far away from the bottom of the installation box, of the lifting body extend out of the installation box.
Preferably, the lifting body comprises a fixed sleeve fixedly arranged on the installation box, a gear column rotatably arranged at the bottom of the fixed sleeve and a lifting column arranged in the fixed sleeve in a manner of moving up and down, and at least one part of the fixed sleeve protrudes out of the installation box; the driving arm comprises a second rotating shaft which can be rotatably arranged in the installation box, a fixed column which is fixedly arranged on the second rotating shaft and a rack which can be slidably arranged on the fixed column, and a central connecting line of the projection of the second rotating shaft on the bottom of the installation box forms an obtuse triangle; when the three driving arms are tightly attached to the lifting body, the rack is meshed with the driving gear, the rack is separated from a gear column close to the second rotating shaft where the rack is located, the rack is meshed with a gear column far away from the second rotating shaft where the rack is located, and the rack is tightly propped against the fixed column.
Preferably, the fixed screw thread post that is provided with in central point department of putting of gear post, correspond set up on the lift post with the internal thread of screw thread post assembly, the lift post is the step shaft form, the fixed guide block that is provided with a plurality of along circumference evenly distributed on the lift post corresponds set up the confession on the internal perisporium of fixed cover the gliding guide way of guide block.
Preferably, the end part of the fixing sleeve, which is far away from the gear column, is fixedly provided with a limiting ring, and the limiting ring and the lifting column are in dynamic seal.
Preferably, the end part of the second rotating shaft, which is far away from the bottom of the installation box, is provided with a locking nut in a threaded manner, and the locking nut abuts against the installation box.
Preferably, the side wall of the installation box is respectively provided with a telescopic groove for the rack to pass through, the corresponding concrete pavement is internally provided with an extension groove communicated with the telescopic groove, and when the rack is tightly propped against the fixed column, the end part of the rack far away from the second rotating shaft is extended into the telescopic groove.
Preferably, the first rotating shaft protrudes from the end of the installation box, the second rotating shaft protrudes from the end of the installation box, and the fixed sleeve protrudes from the end of the installation box, and the first rotating shaft and the second rotating shaft are both on the same horizontal plane, and the horizontal plane is flush with the road surface formed by the concrete pavement, and the concrete pavement is provided with a reserved groove for the first rotating shaft and the second rotating shaft to rotate.
Preferably, a sealing rubber sleeve is arranged in the reserved groove, and waterproof glue is poured at the joint of the concrete pavement and the fixed sleeve.
The invention has the beneficial effects that:
1. the invention limits vehicles at the entrance and exit of the infrequently-passing vehicles, meets the requirement of blocking the vehicles, and can carry out adaptive operation according to different fields, thereby meeting the requirements of releasing and blocking the vehicles.
2. The invention is suitable for places with infrequent operation, so that a semi-automatic operation mode is adopted, on one hand, various operation modes are realized simply, and on the other hand, the use cost is reduced.
3. According to the invention, all parts are centralized together through the installation box, and the installation box is embedded into the concrete pavement, so that the infirm problem existing in dispersed installation is avoided, and meanwhile, the lifting body adopts a triangular distribution mode to prevent the vehicle from passing on one hand, and is matched with the three driving arms on the other hand, so that the synchronous lifting of the three lifting columns, the synchronous lifting of the two lifting columns and the independent lifting of a single lifting column are realized, the lifting mode of the lifting columns is expanded, and the passing management is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a semi-automatic spiral lifting device according to an embodiment of the present invention (a concrete pavement is not shown);
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a schematic structural diagram (a transparent schematic view of an installation box) of a semi-automatic spiral lifting device provided by an embodiment of the present invention;
FIG. 4 is a schematic structural view (partially in section) of the elevator body;
FIG. 5 is a schematic structural view of the lifting column;
figure 6 is a cross-sectional view of the drive arm;
FIG. 7 is a first view of one of the drive arms of FIG. 3 after rotation;
FIG. 8 is a second view of one of the drive arms of FIG. 3 after rotation;
FIG. 9 is a third view of one of the drive arms of FIG. 3 after rotation;
FIG. 10 is a schematic view of the rack of FIG. 7 after movement;
figure 11 is a schematic view of two of the drive arms after rotation.
Description of reference numerals: 1-installation box, 11-telescopic groove, 2-lifting body, 21-fixing sleeve, 211-guide groove, 22-gear column, 221-threaded column, 23-lifting column, 231-guide block, 24-limit ring, 3-driving arm, 31-second rotating shaft, 311-locking nut, 32-fixing column, 33-rack, 4-first rotating shaft, 41-driving gear, 5-concrete pavement, 51-extension groove, 6-third rotating shaft and 61-driven gear.
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.
As shown in fig. 1 to 11, a semi-automatic spiral lifting device comprises a cuboid-shaped installation box 1 which is arranged in a concrete pavement 5, three lifting bodies 2 which are distributed in a triangular shape are arranged in the installation box 1, the connecting lines of the centers of the projections of the three lifting bodies 2 at the bottom of the installation box 1 form an isosceles obtuse triangle, three driving arms 3 which are used for driving the lifting bodies 2 to move are arranged in the installation box 1, the three driving arms 3 are respectively positioned on three horizontal planes, as shown in fig. 2, the three driving arms 3 are located on three horizontal planes respectively to avoid interference generated when the three driving arms 3 move, when the three driving arms 3 are tightly attached to the lifting body 2, extension lines of projections of the three driving arms 3 on the bottom of the installation box 1 are intersected and form a geometric figure (the geometric figure is also an isosceles obtuse triangle) similar to the isosceles obtuse triangle formed by the lifting body; the middle of two adjacent lifting bodies 2 is provided with three first rotating shafts 4 which are in one-to-one correspondence with the three driving arms 3, the first rotating shafts 4 are provided with driving gears 41 for driving the driving arms 3 to move, two driven gears 61 which are meshed with the driving gears 41 are also arranged in the installation box 1, third rotating shafts 6 which are coaxially fixed with the driven gears 61 are arranged in the corresponding installation box 1, the central connecting lines of the projection centers of the driving gears 41 and the driven gears 61 at the bottom of the installation box 1 form an isosceles triangle, the centers of the projection centers of the two driven gears 61 at the bottom of the installation box 1 respectively fall at the middle points of two waists of the isosceles triangle, and the first rotating shafts 4 and the third rotating shafts 6 are both rotatably arranged in the installation box 1; the driving gear 41 and the driven gear 61 have the same number of teeth, the end portions of the first rotating shaft 4 and the lifting body 2 far away from the bottom of the installation box 1 extend out of the installation box 1, and it should be noted that the three driving arms 3 are on three different horizontal planes, and in order to realize the meshing between the gears, the thicknesses of the driving gear 41 and the driven gear 61 need to be reasonably selected during actual manufacturing, and the meshing is realized by adjusting the thicknesses of the driving gear 41 and the driven gear 61, as shown in fig. 2, it can be seen that the thicknesses of the driving gear 41 and the driven gear 61 are different.
The lifting body 2 comprises a fixed sleeve 21 fixedly arranged on the installation box 1, a gear column 22 rotatably arranged at the bottom of the fixed sleeve 21 and a lifting column 23 arranged in the fixed sleeve 21 in a vertically movable manner, at least one part of the fixed sleeve 21 protrudes out of the installation box 1 and is fixed on the top wall of the installation box 1 (namely, the protruding part of the lifting body 2), namely, the lifting body 2 protrudes out of the installation box 1; the central position of the gear column 22 is fixedly provided with a threaded column 221, the corresponding lifting column 23 is provided with an internal thread assembled with the threaded column 221, and the lifting column 23 is in a stepped shaft shape, as shown in fig. 4, the lifting column 23 is provided with an outer peripheral wall with a larger outer diameter and an outer peripheral wall with a smaller outer diameter, the fixing sleeve 21 is also correspondingly provided with an inner peripheral wall with a larger outer diameter and an inner peripheral wall with a smaller outer diameter, and the outer peripheral wall with the larger outer diameter of the lifting column 23 is attached to the inner peripheral wall with the larger outer diameter of the fixing sleeve 21, wherein the outer peripheral wall with the larger outer diameter of the lifting column 23 is fixedly provided with a plurality of guide blocks 231 uniformly distributed along the circumferential direction, and the corresponding inner peripheral wall with the larger outer diameter of the fixing sleeve 21 is provided with a guide; the structure of the lifting body 2 can refer to the structure of a solid glue stick or lipstick, and the lifting of the solid glue or lipstick can be realized by rotating the bottom;
the driving arm 3 comprises a second rotating shaft 31 which can be rotatably arranged in the installation box 1, a fixed column 32 fixedly arranged on the second rotating shaft 31 and a rack 33 which can be slidably arranged on the fixed column 32, as shown in fig. 6, the rack 33 is nested on the fixed column 32, a blind hole for inserting the fixed column 32 is formed in the rack 33, the fixed column 32 is a square column, wherein the rack 33 and the fixed column 32 have enough friction to avoid driving the rack 33 to move when the driving arm 3 rotates, a central connecting line of a projection of the second rotating shaft 31 on the bottom of the installation box 1 forms an obtuse triangle, a locking nut 311 is screwed on the end part, far away from the bottom of the installation box 1, of the second rotating shaft 31, the locking nut 311 abuts against the installation box 1, and the second rotating shaft 31 is fixed by the arrangement of the locking nut 311 to limit the rotation of the second rotating shaft; when the three driving arms 3 are tightly attached to the lifting body 2, the rack 33 is meshed with the driving gear 41, the rack 33 is separated from the gear column 22 close to the corresponding second rotating shaft 31, is driven by the driving gear 41 to slide towards the other end and is meshed with the gear column 22 at the other end, and the rack 33 is tightly propped against the fixed column 32;
furthermore, telescopic grooves 11 for the racks 33 to pass through are respectively formed in corresponding side walls of the installation box 1, extension grooves 51 communicated with the telescopic grooves 11 are formed in corresponding concrete pavements 5 to realize free movement of the racks 33, when the racks 33 are tightly propped against the fixed columns 32, the end portions, far away from the second rotating shafts 31, of the racks 33 extend into the telescopic grooves 11, and due to the arrangement, one ends of the racks 33 can be supported by the telescopic grooves 11 to further guarantee the stability of movement of the racks 33.
Further, as shown in fig. 2, the end of the installation box 1 protruding from the first rotating shaft 4, the end of the installation box 1 protruding from the second rotating shaft 31, and the end of the fixing sleeve 21 protruding from the installation box 1 are all on the same horizontal plane, which is flush with the road surface formed by the concrete pavement 5, the concrete pavement 5 is provided with a reserved groove for the rotation of the first rotating shaft 4 and the second rotating shaft 31, the locking nut 311 is located in the reserved groove, and a sealing rubber sleeve is arranged in the reserved groove to achieve the protection of the locking nut 311 and have a certain waterproof effect, the sealing rubber sleeve can be plugged into the reserved groove when the first rotating shaft 4 and the second rotating shaft 31 are not rotated, a waterproof adhesive is poured at the joint of the concrete pavement 5 and the fixing sleeve 21, and the waterproof adhesive can adopt a leakage blocking king commonly used in building construction.
Furthermore, in order to prevent the lifting column from being separated from the threaded column when the gear column is rotated, a limit ring 24 is fixedly arranged at the end part of the fixing sleeve 21 far away from the gear column 22, the limit ring 24 and the lifting column 23 are in dynamic seal, and the sealing mode can adopt an O-shaped sealing ring in the prior art for sealing.
Furthermore, in order to achieve synchronous lifting of the three lifting columns 23, wherein synchronous lifting of two lifting columns 23 and individual lifting of a single lifting column 23:
as shown in fig. 2, 3 and 4, the initial position of the present application is shown, and it is specified that on the basis of fig. 3, the clockwise rotation of the gear column 22 realizes the ascending of the lifting column 23 (as shown by the rotation arrow in fig. 3), at this time, the lifting column 23 is located inside the fixing sleeve 21 and abuts against the step inside the fixing sleeve 21, the driving gear 41 is engaged with the rack 33, the rack 33 abuts against the fixing column 32, at this time, the rack 33 is disengaged from the gear column 22 close to the second rotation axis 31 where it is located, the rack 33 is engaged with the gear column 22 far from the second rotation axis 31 where it is located, and the rack 33 abuts against the fixing column 32, for example, in fig. 3, the horizontal rack 33 is disengaged from the gear column 22 close to the second rotation axis 31 where it is located (i.e. the gear column 22 on the right side) and is engaged with the gear column 22 far from the second rotation axis 31 where it is located (i.e. the gear column 22, that is, when the rack 33 moves to the left on the basis of fig. 3, the rack 33 is disengaged from the left gear column 22 and the right gear column 22, and when the rack 33 moves to the right on the basis of fig. 3 (actually, the rack 33 cannot move to the right in the state of fig. 3 in this application, and only for convenience of understanding), the rack 33 is disengaged from the left gear column 22 and the right gear column 22; on the basis of fig. 3, when any one of the driving gears 41 is rotated, the three lifting columns 23 can be lifted synchronously, for example, in fig. 3, the pinion 41 engaged with the horizontal rack 33 is rotated clockwise, and at this time, the horizontal rack 33 rotates the left gear column 22 clockwise, the driving gear 41 drives the driven gears 61 on the left and right sides to rotate counterclockwise, so that the driven gear 61 on the left side drives the driving gear 41 on the left side to rotate clockwise, the driven gear 61 on the right side drives the driving gear 41 on the right side to rotate clockwise, so that the left pinion 41 drives the left rack 33 to move, the right pinion 41 drives the right rack 33 to move, and finally the left rack 33 drives the upper gear post 22 to rotate clockwise, the right rack 33 drives the right gear post 22 to rotate clockwise, thereby realizing the work of rotating one driving gear 41 and simultaneously driving the three lifting columns 23 to lift;
as shown in fig. 7, 8, and 9, for a schematic view of respectively rotating one of the driving arms 3, after one of the driving arms 3 rotates, the rack 33 on the driving arm 3 is disengaged from the driving gear 41 engaged therewith and is disengaged from the corresponding gear column 22, in this case, the other driving gear 41 is rotated, so as to achieve synchronous lifting of the two lifting columns 23, for simplicity, we choose a detailed description, for example, on the basis of fig. 7, the left driving arm 3 rotates, the left rack 33 is disengaged, when the driving gear 41 engaged with the horizontal rack 33 is rotated clockwise, the horizontal rack 33 moves leftward and drives the left gear column 22 to rotate clockwise, the driving gear 41 simultaneously drives the driven gears 61 on both sides thereof to rotate counterclockwise, and since the left rack 33 is disengaged, the left driving gear 41 cannot drive the left rack 33 to move, the driving gear 41 on the right side is still meshed with the rack 33 on the right side under the driving of the driven gear 61 on the right side, so that the gear column 22 on the right side rotates clockwise, and the synchronous lifting of the two lifting columns 23 is realized; the same is true in fig. 8 and 9, and in addition, because the operation depends on the meshing of the gear and the rack 33, during the actual lifting, the lifting column 23 needs to be lifted to the right position to ensure that the rack 33 on one driving arm 3 is disengaged from the driving gear 41, and after the driving arm 3 is subsequently returned, the effective meshing can be realized;
as shown in fig. 10, which is a schematic view of fig. 7 after clockwise rotating the pinion 41 engaged with the horizontal rack 33, it can be seen that the horizontal rack 33 and the right rack 33 are moved, thereby achieving the rotation of the left and right gear columns 22;
when two of the driving arms 3 rotate, the two driving arms 3 are disengaged from the corresponding driving gears 41, and at this time, the remaining one driving gear 41 is rotated to independently drive one of the gear columns 22 to rotate, so as to achieve the lifting of an individual lifting column 23, as shown in fig. 11, the driving arms 3 on the left and right sides rotate, only the horizontal driving arm 3 is engaged with the corresponding driving gear 41, and when the driving gear 41 is rotated clockwise, only the horizontal rack 33 moves, and only the gear column 22 on the left side rotates, so as to achieve the lifting of an individual lifting column 23.
It should be noted that, since the position of the first rotating shaft 4 is limited to be in the middle of the two lifting bodies 2 in the present application, as shown in fig. 3, in order to avoid the disengagement of the rack 33 from the corresponding pinion 41, when the lifting column 23 is lifted to the highest position, it is ensured that the rack 33 and the corresponding pinion 41 can still be engaged, and at this time, when the lifting column 23 is lifted to the highest position, the lifting column 23 will abut against the limit ring 24, so that the lifting column cannot be further lifted, and further the rack 33 cannot be moved to cause disengagement, for example, in actual manufacturing, the state shown in fig. 10 can be defined, and when the lifting column 23 is lifted to the highest position, the lifting column 23 will abut against the limit ring 24, and the rack 33 on the right side will disengage from the pinion 41 on the right side.
The lifting device of the invention plays a role in hindering the lifting of the passageway of the infrequently-passed vehicle, such as a fire fighting passageway, a park, a pedestrian street, a farmer market and the like, and releases the passageway when the vehicle descends in an emergency; the three lifting columns are arranged aiming at the access passage, the blocking of the vehicle can be realized according to field investigation and the consultation of vehicle data, automobiles with different sizes exist in the market according to the consulted automobile data, wherein the minicar basically belongs to the smallest automobile, so that the minicar is selected as a reference automobile, the width of the minicar is about 1650mm, the width of the common automobile is more than about 1.7m, as shown in figure 2, the road surface width is selected from 4m (the size of the lifting column is not specifically limited by the application, the minicar is set by the application in actual production), under the condition of neglecting the size of the lifting column, the three lifting columns equally divide the width of the road surface into 4 sections, the width of each section is 1m, when the three lifting columns lift, the minicar can be successfully blocked, and when one lifting column is lifted, the road surface width of 2m can be obtained, the Changan can pass through, and an ordinary automobile can also pass through; when two adjacent lifting columns are landed, the road surface width of 3m can be obtained, and common automobiles can pass through the road surface width; when three lifting columns are descended, the road surface width of 4m can be obtained, and almost all automobiles with the width can pass through; in addition, the three lifting columns of the present application are distributed in a triangular manner, so the length of the hypotenuse forming the triangle is also considered, as shown in fig. 1, the size of a is reasonably controlled, for example, the value of a does not exceed 1.6m, and then the Changan can be successfully blocked.
For example, on a fire fighting passageway, three lifting columns are in a lifting state at ordinary times to block the passage of other vehicles, and the lifting columns are lowered in an emergency, so that the common vehicles or the fire fighting truck are released, therefore, the use times of the lifting columns are few, and compared with the use of a full-automatic lifting column, the waste of resources is greatly reduced; when the fire fighting truck needs to land, a corresponding number of lifting columns can land according to the size of the fire fighting truck, and the three lifting columns can be lifted in a unified manner due to the large size of the fire fighting truck; if the ordinary vehicle needs to pass in special situations at ordinary times, only one lifting column can be singly descended;
for example, in a park or a pedestrian street, because the place does not allow the passing of automobiles at ordinary times, three lifting columns are also in a lifting state, the entering of the vehicles is limited, the vehicles can be allowed to pass only under special conditions, and most of the vehicles capable of passing through are common vehicles, so that most of the passing can be met only by descending one lifting column during actual descending;
for another example, in a farm trade market, the number of times of lifting is more than that of the two examples, but the lifting is only limited to morning and evening; according to investigation, in the shopping time period, the vehicles need to be restricted from entering, the transport vehicles can be released only when the vehicles are delivered in the morning and evening, and the size of the transport vehicles is larger than that of ordinary automobiles, so that the two adjacent lifting columns can be lifted simultaneously, the middle lifting column can be lifted independently, and the basic passing requirement can be met by only operating the middle lifting column in consideration of daily operation.
In conclusion, it can be seen that the semi-automatic lifting device is selected for the entrance and the exit of the vehicle which does not pass frequently, so that the cost is greatly improved, on one hand, various operation modes can be simply realized, on the other hand, the use cost is reduced, and meanwhile, the adaptive operation can be carried out according to different places, so that the passing and blocking of the vehicle are met.
When the anti-blocking mounting box is used, a mounting groove with a proper size is excavated in a position needing to be blocked according to construction requirements, the assembled mounting box 1 is placed in the mounting groove, the extension groove 51 is reserved in the telescopic groove 11 of the mounting box 1, then concrete pouring can be carried out, the concrete pavement 5 coated on the mounting box 1 is formed, the reserved grooves are required to be arranged at the first rotating shaft 4 and the second rotating shaft 31 during pouring so as to realize the mounting of the locking bolt 311 and the rotation of the driving gear 41, meanwhile, the joint of the fixed sleeve 21 and the concrete is provided with the plugging king for water prevention, and after the construction is finished, the driving gear 41 can be rotated to drive the lifting column 23 to lift. In addition, in order to rotate the driving gear 41, that is, to rotate the first rotating shaft 4, a square or hexagonal notch may be formed at an end of the first rotating shaft 4, so as to rotate the first rotating shaft 4 conveniently.
According to the invention, all parts are centralized together through the installation box, and the installation box is embedded into the concrete pavement, so that the infirm problem existing in dispersed installation is avoided, and meanwhile, the lifting body adopts a triangular distribution mode to prevent the vehicle from passing on one hand, and is matched with the three driving arms on the other hand, so that the synchronous lifting of the three lifting columns, the synchronous lifting of the two lifting columns and the independent lifting of a single lifting column are realized, the lifting mode of the lifting columns is expanded, and the passing management is facilitated.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A semi-automatic spiral lifting device is characterized by comprising a cuboid-shaped installation box (1) which is arranged in a concrete pavement (5), wherein three lifting bodies (2) which are distributed in a triangular manner are arranged in the installation box (1), the connecting lines of the centers of the projections of the three lifting bodies (2) at the bottom of the installation box (1) form an isosceles obtuse triangle, three driving arms (3) which are used for driving the lifting bodies (2) to move are arranged in the installation box (1), the three driving arms (3) are respectively positioned on three horizontal planes, and when the three driving arms (3) are tightly attached to the lifting bodies (2), the extension lines of the projections of the three driving arms (3) at the bottom of the installation box (1) are intersected and form a geometric figure which is similar to the isosceles obtuse triangle; three first rotating shafts (4) which correspond to the three driving arms (3) one by one are arranged between every two adjacent lifting bodies (2), driving gears (41) which are used for driving the driving arms (3) to move are fixedly arranged on the first rotating shafts (4), two driven gears (61) which are meshed with the driving gears (41) are further arranged in the installation box (1), third rotating shafts (6) which are coaxially fixed with the driven gears (61) are arranged in the corresponding installation box (1), the central connecting lines of the projection of the driving gears (41) and the driven gears (61) at the bottom of the installation box (1) form an isosceles triangle, and the first rotating shafts (4) and the third rotating shafts (6) are both rotatably arranged in the installation box (1); the driving gear (41) and the driven gear (61) are the same in tooth number, and the first rotating shaft (4) and the end part, far away from the bottom of the installation box (1), of the lifting body (2) extend out of the installation box (1).
2. A semi-automatic screw-type lifting device according to claim 1, wherein said lifting body (2) comprises a fixing sleeve (21) fixedly disposed on said mounting box (1), a gear column (22) rotatably disposed at the bottom of said fixing sleeve (21), and a lifting column (23) movably disposed in said fixing sleeve (21) up and down, at least a portion of said fixing sleeve (21) protruding out of said mounting box (1); the driving arm (3) comprises a second rotating shaft (31) which can be rotatably arranged in the installation box (1), a fixed column (32) which is fixedly arranged on the second rotating shaft (31) and a rack (33) which can be slidably arranged on the fixed column (32), and a central connecting line of the projection of the second rotating shaft (31) on the bottom of the installation box (1) forms an obtuse triangle; when the three driving arms (3) are tightly attached to the lifting body (2), the rack (33) is meshed with the driving gear (41), the rack (33) is separated from the gear column (22) close to the second rotating shaft (31) where the rack is located, the rack (33) is meshed with the gear column (22) far away from the second rotating shaft (31) where the rack is located, and the rack (33) is tightly propped against the fixed column (32).
3. A semi-automatic spiral lifting device as claimed in claim 2, wherein a threaded column (221) is fixedly disposed at a central position of the gear column (22), a corresponding internal thread assembled with the threaded column (221) is disposed on the lifting column (23), the lifting column (23) is in a stepped shaft shape, a plurality of guide blocks (231) uniformly distributed along a circumferential direction are fixedly disposed on the lifting column (23), and a guide groove (211) for the guide blocks (231) to slide is disposed on an inner circumferential wall of the corresponding fixing sleeve (21).
4. A semi-automatic screw-type lifting device according to claim 2 or 3, wherein a limit ring (24) is fixedly arranged on the end of said fixing sleeve (21) far from said gear column (22), and said limit ring (24) is in dynamic seal with said lifting column (23).
5. A semi-automatic screw lifting device according to claim 4, characterized in that the end of the second rotary shaft (31) remote from the bottom of the installation box (1) is screw fitted with a lock nut (311), the lock nut (311) abutting against the installation box (1).
6. A semi-automatic spiral lifting device according to claim 4, wherein the side walls of the installation box (1) are respectively provided with a telescopic slot (11) for the rack (33) to pass through, the corresponding concrete pavement (5) is internally provided with an extension slot (51) communicated with the telescopic slot (11), and when the rack (33) is pressed against the fixed column (32), the end of the rack (33) far away from the second rotating shaft (31) is extended into the telescopic slot (11).
7. A semi-automatic screw lifting device according to claim 2, wherein the end of said first rotating shaft (4) protruding from said mounting box (1), the end of said second rotating shaft (31) protruding from said mounting box (1) and the end of said fixed sleeve (21) protruding from said mounting box (1) are all at the same level with the surface of the road formed by said concrete pavement (5), said concrete pavement (5) being provided with pre-grooves for the rotation of said first rotating shaft (4) and said second rotating shaft (31).
8. A semi-automatic screw lifting device according to claim 7, characterized in that a sealing rubber sleeve is provided in said pre-groove, and a waterproof glue is poured at the junction of said concrete pavement (5) and said fixed sleeve (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910072571.9A CN109763439B (en) | 2019-01-25 | 2019-01-25 | Semi-automatic spiral elevating gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910072571.9A CN109763439B (en) | 2019-01-25 | 2019-01-25 | Semi-automatic spiral elevating gear |
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| CN109763439A CN109763439A (en) | 2019-05-17 |
| CN109763439B true CN109763439B (en) | 2021-01-01 |
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| KR101477189B1 (en) * | 2013-07-30 | 2014-12-30 | 대명건설산업(주) | An prevent facility for illegal U-turn |
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| CN109763439A (en) | 2019-05-17 |
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