But height-adjusting's stable form engineering construction scaffold
Technical Field
The utility model relates to a construction technical field specifically is a but height-adjusting's stable form engineering construction scaffold.
Background
Along with the development of the urbanization process of China's society, the urban construction amount is increasing day by day, and China, as a strong country of capital construction, always occupies a place in the field of world engineering and construction. In engineering construction, a scaffold is often used for auxiliary construction, such as indoor wall painting, outdoor wall construction and painting or other operations at medium or low heights. When the engineering building with the middle or low height is constructed in the prior art, scaffolds or other frames are mostly used for assisting, when the auxiliary tools are used, most of the auxiliary tools are fixed in height, the engineering building is continuously constructed if the height is required to be increased, and in the construction process, construction personnel need to stop and wait, so that manpower resources and time resources are wasted. Accordingly, one skilled in the art provides a stable type construction scaffold with adjustable height to solve the problems suggested in the background art.
Disclosure of Invention
An object of the utility model is to provide to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a stable type engineering construction scaffold with adjustable height comprises a base, wherein two sides of the top of the base, which are far away from each other, are fixedly connected with first connecting columns, the tops of the two first connecting columns are fixedly connected with first limiting arms, the top of the base, which is positioned between the two first connecting columns, is fixedly connected with limiting columns, the outer walls of the limiting columns are provided with springs, one ends of the springs, which are close to the base, are fixedly connected with the tops of the base, one ends of the springs, which are far away from the base, are fixedly connected with movable columns, mounting grooves are formed in the movable columns, movable shafts are arranged at the top ends and the low ends of the inner walls of the mounting grooves, the two movable shafts are movably connected with the inner walls of the mounting grooves through bearings, gears are fixedly connected with the outer walls of the two movable shafts, the tops of the two gears are engaged with first racks, and one sides of the two first racks, which are far away, the bottoms of the two gears are respectively connected with a second rack in a meshed manner, one side of the two second racks, far away from the gears, penetrates through the mounting groove and then is fixedly connected with a second ejector block, the two first ejector blocks and the two second ejector blocks are respectively in contact with the outer wall of a moving part close to the moving column, one end of the moving column, far away from the spring, is fixedly connected with a support plate, two sides, far away from each other, of the bottom of the support plate are respectively and fixedly connected with a second connecting column, the bottoms of the two second connecting columns are respectively and fixedly connected with a second limiting arm, the two second limiting arms are respectively sleeved and connected with the two first limiting arms, a plurality of support arms are arranged between the two ends, close to each other, of the two first connecting columns and the two second connecting columns, the plurality of support arms are respectively and movably connected with each other through the moving part, and one ends, close to the two first connecting columns and the two second connecting columns, of the moving part, the inner wall fixedly connected with motor of backup pad, the output fixedly connected with action wheel of motor, the loose axle of upper end passes through drive belt transmission in action wheel and the mounting groove, two through driving belt transmission between the loose axle.
As a further aspect of the present invention: two first rack and two the equal fixedly connected with stopper in one side that two gears were kept away from to the second rack, when two first racks and two second racks and two gear engagement moved to certain distance, a plurality of stoppers stopped two first racks and two second racks to continue to move, prevented two first racks and two second racks and two gears disengagement state.
As a further aspect of the present invention: it is a plurality of the outer wall that the moving part is close to one side of two spacing arms of second is in two spacing arms of second respectively to the inner wall contact that is close to one side, and is a plurality of two spacing arms of second provide spacingly during the moving part motion, prevent a plurality of moving part and support arm offset cause the potential safety hazard.
As a further aspect of the present invention: the top of the supporting plate is fixedly connected with a protective guard, and necessary safety protection is provided for constructors on the supporting plate.
As a further aspect of the present invention: it is a plurality of the moving part includes connecting axle and guard ring, and is a plurality of the connecting axle all runs through a plurality of support arms of swing joint and is close to the one end near the moving part, and is a plurality of the guard ring is semi-circular, works as when the support arm rotates to vertical position, and is a plurality of the guard ring prevents the continuation rotation of support arm, prevents a plurality of the too big equipment damage that causes of support arm turned angle.
As a further aspect of the present invention: the number of teeth of the two first racks is equal to that of the two second racks, and the two first racks and the two second racks move synchronously when the two gears rotate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, through. The bottom plate provides the support, the backup pad provides construction platform for the construction operation person, the rail guard can provide necessary protection for the constructor, provide power through the motor, the motor starts to drive the action wheel and rotates, it rotates to drive the loose axle through the drive belt, it rotates to drive another pivot through the drive area, when two pivots rotate, drive even gear wheel and rotate, two first racks and two second racks simultaneous movement with two gear engagement this moment, in the time of two first racks and two second rack movements, can drive two first kicking blocks and two second kicking blocks respectively to the direction motion of keeping away from the movable column, extrude a plurality of moving parts simultaneously, make a plurality of support arms respectively at the moving part internal rotation, it rises to drive whole backup pad and movable column, reach height-adjusting's purpose. Whole device is simple to use, when providing safe operation platform for constructor, can adjust the height of whole device according to actual construction demand, reduces the time of setting up the scaffold frame, saves artifical resource and time cost, reduces whole construction cycle.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic side sectional view of the present invention;
fig. 4 is a schematic view of the structure of the movable member of the present invention.
In the figure: 1. a base; 2. a support plate; 3. protecting the fence; 4. a first connecting column; 5. a second connecting column; 6. a movable member; 61. a connecting shaft; 62. a guard ring; 7. a support arm; 8. a first spacing arm; 9. a second limiting arm; 10. a limiting column; 11. a spring; 12. a movable post; 13. mounting grooves; 14. a motor; 15. a driving wheel; 16. a transmission belt; 17. a first top block; 18. a second top block; 19. a first rack; 20. a second rack; 21. a movable shaft; 22. a gear; 23. a bearing; 24. driving the belt; 25. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the present invention, a stable type engineering construction scaffold with adjustable height comprises a base 1, wherein two sides of the top of the base 1 away from each other are fixedly connected with first connection columns 4, the tops of the two first connection columns 4 are fixedly connected with first limiting arms 8, the top of the base 1 between the two first connection columns 4 is fixedly connected with a limiting column 10, the outer wall of the limiting column 10 is provided with a spring 11, one end of the spring 11 close to the base 1 is fixedly connected with the top of the base 1, one end of the spring 11 away from the base 1 is fixedly connected with a movable column 12, the inside of the movable column 12 is provided with a mounting groove 13, the top and the low end of the inner wall of the mounting groove 13 are respectively provided with a movable shaft 21, the two movable shafts 21 are movably connected with the inner wall of the mounting groove 13 through a bearing 23, the outer walls of the two movable shafts 21 are respectively fixedly connected with a gear 22, one side of each of the two first racks 19, which is far away from the gear 22, penetrates through the mounting groove 13 and is then fixedly connected with a first ejector block 17, the bottoms of the two gears 22 are respectively meshed with a second rack 20, one side of each of the two second racks 20, which is far away from the gear 22, penetrates through the mounting groove 13 and is then fixedly connected with a second ejector block 18, the two first ejector blocks 17 and the two second ejector blocks 18 are respectively contacted with the outer wall of the moving part 6, which is close to the moving column 12, the end, which is far away from the spring 11, of the moving column 12 is fixedly connected with a support plate 2, the two sides, which are far away from each other, of the bottom of the support plate 2 are respectively and fixedly connected with second connecting columns 5, the bottoms of the two second connecting columns 5 are respectively and fixedly connected with second limiting arms 9, the two second limiting arms 9 are respectively sleeved and connected with the two first limiting arms 8, a plurality of support arms 7 are arranged between the two ends, one end of each of the movable members 6 close to the two first connecting columns 4 and the two second connecting columns 5 is respectively fixedly connected with the top of the first connecting column 4 and the bottom of the second connecting column 5, the inner wall of the supporting plate 2 is fixedly connected with the motor 14, the output end of the motor 14 is fixedly connected with the driving wheel 15, the movable shaft 21 at the upper end in the driving wheel 15 and the mounting groove 13 is driven through the driving belt 16, and the two movable shafts 21 are driven through the driving belt 24.
The side, far away from the two gears 22, of each of the two first racks 19 and the two second racks 20 is fixedly connected with a limiting block 25, and when the two first racks 19 and the two second racks 20 move to a certain distance in a meshing manner with the two gears 22, the limiting blocks 25 prevent the two first racks 19 and the two second racks 20 from continuing to move, so that the two first racks 19 and the two second racks 20 are prevented from being disengaged from the two gears 22; the outer walls of the sides, close to the two second limiting arms 9, of the plurality of moving parts 6 are respectively in contact with the inner walls, close to the sides, of the two second limiting arms 9, when the plurality of moving parts 6 move, the two second limiting arms 9 provide limiting, and potential safety hazards caused by position deviation of the plurality of moving parts 6 and the supporting arms 7 are prevented; the top of the supporting plate 2 is fixedly connected with a protective guard 3, so that necessary safety protection is provided for constructors on the supporting plate 2; the movable members 6 comprise connecting shafts 61 and protection rings 62, the connecting shafts 61 are respectively and movably connected with one ends, close to the movable members 6, of the support arms 7 in a penetrating mode, the protection rings 62 are all semicircular, when the support arms 7 rotate to the vertical position, the protection rings 62 prevent the support arms 7 from continuing to rotate, and equipment damage caused by overlarge rotation angles of the support arms 7 is prevented; the two first racks 19 and the two second racks 20 have the same number of teeth, and the two first racks 19 and the two second racks 20 move synchronously when the two gears 22 rotate.
The utility model discloses a theory of operation is: when the device is used, the device is moved to a required position to ensure that the bottom of the base 1 is flat, then a constructor stands on the top of the supporting plate 2 to be positioned in the protective guard 3 to operate, when the operation is required to be performed at a middle-high position, the motor 14 is started to drive the driving wheel 15 to rotate, the driving wheel 15 drives one movable shaft 21 to rotate through the driving belt 16 while rotating, at the same time, the other movable shaft 21 is driven to simultaneously rotate through the driving belt 24, when the two movable shafts 21 rotate, the gears 22 fixedly connected with the two movable shafts 21 simultaneously rotate, when the gears 22 rotate, two first racks 19 and two second racks 20 respectively meshed and connected with the two gears 22 simultaneously move towards the direction far away from the two gears 22 at a constant speed and synchronously, when the two first racks 19 move, the two first ejector blocks 17 fixedly connected with the two first racks 19 push against the movable pieces 6 in contact with the movable pieces, when the two second racks 20 move, the two second top blocks 18 fixedly connected with the two second racks 20 push the moving part 6 in contact with the moving part, and because the two first racks 19 and the two second racks 20 move synchronously, the two first top blocks 17 and the two second top blocks 18 also move synchronously to extrude the moving part 6 in the direction away from the moving column 12, and meanwhile, the plurality of supporting arms 7 rotate on the moving part 6 to drive the supporting plate 2 and the moving column 12 to ascend. When the movable piece 6 moves, the two first limit arms 8 limit the position of the movable piece 6 contacted with the two first limit arms, so that the support plate 2 is prevented from deviating. When the height is raised, the motor 14 is stopped. When the two first racks 19 and the two second racks 20 move to the direction farthest away from the two gears 22, the four limit blocks 25 contact with the outer wall of the gear 22, the moving state of the two first racks 19, the two second racks 20 and the two gears 22 is stopped, and at this time, the device is lifted to the maximum height.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.