CN114575571B - But height-adjusting's portable building construction frame - Google Patents
But height-adjusting's portable building construction frame Download PDFInfo
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- CN114575571B CN114575571B CN202210251556.2A CN202210251556A CN114575571B CN 114575571 B CN114575571 B CN 114575571B CN 202210251556 A CN202210251556 A CN 202210251556A CN 114575571 B CN114575571 B CN 114575571B
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- lifting
- sliding
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- telescopic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/02—Scaffold feet, e.g. with arrangements for adjustment
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a movable building construction frame capable of stably adjusting height, which relates to the field of building construction equipment and comprises a base, wherein a movable wheel is arranged on the lower side of the base, a locking device is further arranged on the lower side of the base and is used for preventing the movable wheel from moving, the locking device is positioned above the movable wheel and is connected with a main power source, a multi-stage power cylinder is arranged on the upper side of the base and is connected with a lifting device, the lifting device is driven by the main power source, four groups of girders are connected to the output end of the multi-stage power cylinder, a plurality of mounting frames are arranged on each group of girders and are used for arranging a supporting platform, the lifting device comprises lifting transmission assemblies with the same number as the girders and are respectively arranged on the four groups of girders, all lifting transmission assemblies are connected with lifting control assemblies, the lifting transmission assemblies are matched with lifting adjustment assemblies, the lifting adjustment assemblies are clamped in telescopic sliding grooves on the inner sides of sliding drums during lifting, and rotate through the lifting transmission assemblies during descending to descend.
Description
Technical Field
The invention relates to the field of building construction equipment, in particular to a movable building construction frame capable of stably adjusting height.
Background
The building construction frame is a working platform erected for ensuring that each construction process is carried out smoothly, and at present, the building construction frame is needed in the building construction process so as to facilitate construction, constructors need to carry out suspended operation sometimes, and the operation danger coefficient is quite high under the condition of no foothold or no firm foothold, so that the construction can be carried out after the firm foothold is properly established.
In the related art, the publication (announcement) number is: the Chinese patent of CN108661298B discloses a construction frame which comprises a vertical pipe, a transverse pipe, an upper connecting seat fixed on the upper end part of the vertical pipe and a lower connecting seat fixed on the lower end part; the upper connecting seat and the lower connecting seat both comprise a seat body and an inner cavity formed in the seat body, and the upper connecting seat and the lower connecting seat are matched with each other; each inner cavity is provided with a clamping groove; the upper connecting seat and the lower connecting seat are respectively provided with a connecting hole and are connected through connecting holes penetrated by the connecting piece; and clamping heads which are clamped with the clamping grooves are respectively arranged at two ends of the transverse tube.
Although the above-mentioned scheme can solve the problem of construction height, because there is the construction point error height and can not carry out secondary adjustment and need constructor overcome by oneself when being less than support length or multiple to and in the altitude mixture control process, can not prevent because of unexpected removal scaffold leads to personnel to rock, fall, still there is the altitude mixture control after can not lock, once nevertheless elevating system breaks down, the scaffold descends fast and causes the shortcoming of casualties, consequently, need a movable building scaffold of adjustable height.
Disclosure of Invention
The invention provides a movable building construction frame capable of stably adjusting the height, which comprises a base, wherein a movable wheel is arranged on the lower side of the base, a locking device is further arranged on the lower side of the base and used for preventing the movable wheel from moving, the locking device is positioned above the movable wheel and connected with a main power source, a multistage power cylinder is arranged on the upper side of the base, the multistage power cylinder is connected with a lifting device, the lifting device is driven by the main power source, four groups of girders are connected to the output end of the multistage power cylinder, the four groups of girders are uniformly distributed along the circumference of the output end of the multistage power cylinder, a plurality of mounting frames are arranged on each group of girders, support perforations are formed in the mounting frames and used for enabling the support frames to pass through, a plurality of support frames form a supporting platform, the lifting device comprises lifting transmission assemblies with the same number as the girders and are respectively arranged on the four groups of girders, all the lifting transmission assemblies are connected with a lifting control assembly, one end of the lifting transmission assembly far away from the multistage power cylinder is arranged in a sliding cylinder and matched with a lifting adjustment assembly, the lifting adjustment assembly is clamped in the inner side of the lifting adjustment assembly when the lifting adjustment assembly ascends, the lifting adjustment assembly is clamped in the sliding cylinder, and the sliding cylinder is arranged on the sliding cylinder when the lifting adjustment assembly is rotated, and the lifting adjustment assembly is arranged on the lifting assembly through a sliding chute.
Further, the lifting control assembly comprises a telescopic bracket with one end arranged on the base, the other end of the telescopic bracket is arranged on a fixed head, the main power source is arranged on the telescopic bracket, the fixed head is arranged on the output end of the multi-stage power cylinder, the output shaft of the main power source is further provided with a lifting driving gear, the lifting driving gear is matched with a transmission toothed ring, the transmission toothed ring is provided with plane teeth and plane teeth on the transmission toothed ring, and the end face teeth of the transmission toothed ring are matched with the lifting transmission assembly.
Further, lift drive assembly include that one end sets up the first fixed rotary drum of fixing, the fixed rotary drum other end is connected with fixed gear rotation, fixed gear sets up on the drive rotary drum, fixed gear and transmission gear second cooperation, transmission gear second sets up on the transmission shaft, the transmission shaft rotates and sets up on the girder, girder one end sets up on fixed rotary drum, the girder other end sets up on the balladeur train, be provided with transmission gear first on the transmission shaft one end, the transmission shaft other end rotates and sets up on the balladeur train, transmission gear first with the terminal surface tooth cooperation of transmission ring, be provided with the screw thread section on the transmission shaft, screw thread connecting block slides and sets up on the girder, screw thread connecting block sets up simultaneously on transition rotary drum, the one end outside that the transition rotary drum is close to the fixed head is provided with one section tooth, the inside of one section tooth on the fixed head is provided with the slider, the slider in the fixed head cooperates with the transition chute on the adjustment drive shaft, adjustment drive shaft one end rotates and sets up in fixed rotary drum, the adjustment drive shaft other end passes the balladeur train and is connected with lift adjustment assembly, the balladeur train slides and sets up on the tooth groove.
Furthermore, the transition chute on the adjusting driving shaft is axially arranged.
Further, a limiting flitch is fixedly arranged at the other end of the transition rotary drum, and the limiting flitch is arranged in an arc shape and is in contact fit with the outer surface of the sliding drum.
Further, the lifting adjustment assembly comprises a lifting bearing ring fixedly connected with the adjustment driving shaft, a plurality of bearing sliding blocks are uniformly arranged along the circumference of the lifting bearing ring in a sliding manner, the bearing sliding blocks penetrate through the outer wall of the lifting bearing ring, all the bearing sliding blocks are connected with a central support through telescopic springs, the central support is arranged at the center of the lifting bearing ring, one ends of the bearing sliding blocks, which are located at the outer sides of the lifting bearing ring, are matched with telescopic sliding grooves, the telescopic sliding grooves are arranged on the inner wall of the sliding cylinder, the number and the positions of the telescopic sliding grooves correspond to those of the bearing sliding blocks, slope transition is arranged between the upper ends of the telescopic sliding grooves and the inner wall of the sliding cylinder, the lower ends of the telescopic sliding grooves are plane, lifting sliding grooves are also arranged on the inner wall of the sliding cylinder, the length of the lifting sliding grooves is identical with that of the sliding cylinder, and the part, which is connected with the sliding cylinder, of the bearing sliding grooves is also in slope transition after rotating, of the bearing sliding blocks is matched with the lifting sliding grooves.
Further, the telescopic sliding grooves are uniformly provided with a plurality of groups in the vertical direction of the inner wall of the sliding cylinder.
Further, the locking device comprises friction plates which are arranged on the upper sides of the moving wheels in a sliding mode, each moving wheel is provided with one friction plate in a sliding mode, all the friction plates are connected through a locking connecting frame, threaded holes are formed in the locking connecting frame, the threaded holes in the locking connecting frame are matched with telescopic screws, and the telescopic screws are connected with an output shaft of the main power source.
Compared with the prior art, the invention has the beneficial effects that: (1) The invention sets the supporting platform through the mounting frame, the supporting platform is formed by a plurality of supporting frames movably, and users can freely adjust according to actual conditions; (2) The locking device is matched with the lifting device, so that the moving wheel is locked when the height is adjusted, and the moving wheel is prevented from moving when the height is adjusted, so that unnecessary accidents occur; (3) The multistage power cylinder and the plurality of groups of telescopic sliding grooves in the sliding cylinder can be matched with a lifting adjusting component of the lifting device to carry out multistage height adjustment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the locking device of the present invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
FIG. 4 is a schematic view of the overall structure of the support platform according to the present invention.
FIG. 5 is a schematic view of the whole structure of the mounting frame according to the present invention.
Fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
Fig. 7 is a schematic side view of the present invention.
FIG. 8 is a cross-sectional view taken at position A-A of FIG. 7.
Fig. 9 is an enlarged schematic view of the structure at C in fig. 8.
Fig. 10 is a schematic view of the inner structure of the slide.
Fig. 11 is an enlarged schematic view of the structure at D in fig. 10.
Fig. 12 is a schematic top view of the present invention.
Fig. 13 is an enlarged schematic view of the structure at E in fig. 12.
Reference numerals: 1-a base; 2-moving wheels; 3-locking means; 4-supporting frames; 5-a slide cylinder; 6-a multi-stage power cylinder; 7-lifting devices; 8-mounting frames; 9-a main beam; 10-friction plate; 11-locking the connecting frame; 12-telescoping screw; 13-a primary power source; 14-lifting driving gears; 15-a telescopic bracket; 16-fixing the head; 17-a stationary drum; 18-a transmission gear ring; 19-a first transmission gear; 20-a transmission shaft; 21-a fixed gear; 22-a second transmission gear; 23-driving the drum; 24-adjusting the drive shaft; 25-a threaded connection block; 26-a transition drum; 27-limiting flitch; 28-a carriage; 29-lifting the bearing ring; 30-a telescopic chute; 31-lifting sliding grooves; 32-a central support; 33-a telescopic spring; 34-receiving slide.
Detailed Description
In the following description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the following description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two components. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention will be further described with reference to the drawings and exemplary embodiments, wherein the exemplary embodiments and descriptions of the invention are for purposes of illustration and not for limitation. Wherein like reference numerals refer to like elements throughout. Further, if detailed description of the known art is not necessary to illustrate the features of the present invention, it will be omitted.
Examples: the utility model provides a but height-adjusting's portable construction frame is shown with reference to fig. 1-13, including base 1, remove round 2, locking device 3, the supporting frame 4, slide 5, multistage power cylinder 6, elevating gear 7, mounting bracket 8, girder 9, the main power supply 13, wherein the round 2 is installed to base 1 downside, base 1 is the rectangle, be provided with four in this embodiment and remove round 2, and install respectively on four angles of base 1 downside, base 1 downside still is provided with locking device 3, locking device 3 is located and removes round 2 top and is connected with the main power supply 13, base 1 upside central point puts fixed multi-stage power cylinder 6, multi-stage power cylinder 6 output is connected with elevating gear 7, elevating gear 7 drives through main power supply 13, be connected with four sets of girders 9 on the output of multi-stage power cylinder 6, four sets of girders 9 are evenly distributed along the output circumference of multi-stage power cylinder 6, be provided with a plurality of mounting brackets 8 on each set of girder 9, adopt four 8 in this embodiment respectively on four corners of base 1 downside, the same number of sets of girders 8 and support frame 8 are all provided with perforation sets of girder 8 on the same support frame 8 and the same support frame, and the same number of sets of perforation sets of girder 8 are all set up on the same support frame 8 and the jack-up and are located the jack-up and are crossed at the four sets of girder 6 on the jack-up end, and the jack-up sets is provided with the girder 4 is located on the jack-up and is located the jack mount 5 and is far away from the jack-up with the jack assembly on the same piece, and is 5, and is located the jack-up and is located on the jack assembly is far away from the jack assembly.
The locking device 3 shown in the reference drawings 1-2 comprises friction plates 10, locking connecting frames 11 and telescopic screws 12, wherein the friction plates 10 are arranged on the upper sides of the moving wheels 2 in a sliding mode, one friction plate 10 is arranged on each moving wheel 2 in a sliding mode, four friction plates 10 are fixedly connected through the locking connecting frames 11, threaded holes are formed in the locking connecting frames 11, the threaded holes in the locking connecting frames 11 are in threaded fit with the telescopic screws 12, the telescopic screws 12 are in a telescopic state, the telescopic screws 12 are fixedly connected with output shafts of main power sources 13, and the main power sources 13 are fixedly arranged on the multi-stage power cylinders 6.
The lifting device 7 shown in the accompanying drawings 1 and 3-13 comprises a lifting driving gear 14, a telescopic bracket 15, a fixed head 16, a fixed rotary drum 17, a transmission toothed ring 18, a transmission gear I19, a transmission shaft 20, a fixed gear 21, a transmission gear II 22, a driving rotary drum 23, an adjusting driving shaft 24, a threaded connecting block 25, a transition rotary drum 26, a limit flitch 27, a sliding frame 28, a lifting bearing ring 29, a telescopic sliding groove 30, a lifting sliding groove 31, a central bracket 32, a telescopic spring 33 and a bearing sliding block 34, wherein the lifting driving gear 14, the telescopic bracket 15, the fixed head 16 and the transmission toothed ring 18 are lifting control components, a main power source 13 is fixedly arranged on the telescopic bracket 15, one end of the telescopic bracket 15 is fixedly arranged on the base 1, the other end of the telescopic bracket 15 is fixedly arranged on the fixed head 16, the fixed head 16 is fixedly arranged at the output end of the multistage power cylinder 6, the telescopic bracket 15 is in a telescopic state, the lifting drive gear 14 is fixedly arranged on the output shaft of the main power source 13, the lifting drive gear 14 is matched with the transmission toothed ring 18 in a gear way, the transmission toothed ring 18 is provided with plane teeth, upper end face teeth and lower end face teeth, the upper end face and the lower end face are matched with the lifting transmission components, due to the position relation, four groups of lifting transmission components on the four groups of main beams 9 are distributed in a cross manner, two groups of lifting transmission components which are arbitrarily symmetrical are matched with the upper end face teeth, the other two groups of lifting transmission components are matched with the lower end face teeth, due to the fact that the lifting drive gear 14 is matched with the plane teeth on the transmission toothed ring 18 in the embodiment, the end face teeth of the transmission toothed ring 18 are matched with the lifting transmission components.
The lifting transmission assembly in the embodiment comprises a fixed rotary drum 17, a first transmission gear 19, a transmission shaft 20, a fixed gear 21, a second transmission gear 22, a driving rotary drum 23, an adjusting driving shaft 24, a threaded connecting block 25, a transition rotary drum 26, a limit flitch 27 and a sliding frame 28 in the lifting device 7, wherein one end of the fixed rotary drum 17 is fixedly arranged on a fixed head 16, the other end of the fixed rotary drum 17 is rotationally connected with the fixed gear 21, the fixed gear 21 is fixedly arranged on the driving rotary drum 23, the fixed gear 21 is matched with the second transmission gear 22 in a gear way, the second transmission gear 22 is fixedly arranged on the transmission shaft 20, the transmission shaft 20 is rotationally arranged on a main beam 9, one end of the main beam 9 is fixedly arranged on the fixed rotary drum 17, the other end of the main beam 9 is fixedly arranged on the sliding frame 28, the first transmission gear 19 is fixedly arranged on one end of the transmission shaft 20, the other end of the transmission shaft 20 is rotationally arranged on the sliding frame 28, the first transmission gear 19 is matched with the end face gear of the transmission gear ring 18, a threaded section is arranged on the transmission shaft 20, the threaded section on the transmission shaft 20 is in threaded fit with a threaded connection block 25, the threaded connection block 25 is arranged on the main beam 9 in a sliding way, the threaded connection block 25 is simultaneously and fixedly arranged on a transition rotary drum 26, as shown in fig. 6 and 9, one section of teeth are arranged on the outer side of one end of the transition rotary drum 26, which is close to the fixed head 16, of the transition rotary drum 23, tooth grooves matched with the teeth on the transition rotary drum 26 are arranged in the driving rotary drum 23, a sliding block is fixedly arranged in one section of teeth on the fixed head 16, the sliding block in the fixed head 16 is matched with a transition sliding groove on the adjusting driving shaft 24, the transition sliding groove on the adjusting driving shaft 24 is axially arranged, the adjusting driving shaft 24 is arranged in the fixed rotary drum 17, the driving rotary drum 23 and the transition rotary drum 26, one end of the adjusting driving shaft 24 is rotationally arranged in the fixed rotary drum 17, the other end of the adjusting driving shaft 24 passes through a sliding frame 28 and is fixedly connected with the lifting adjusting assembly, a limiting flitch 27 is fixedly arranged at the other end of the transition rotary drum 26, the limiting flitch 27 is in arc-shaped arrangement and is in contact fit with the outer surface of the sliding drum 5, and the sliding frame 28 is arranged on the sliding drum 5 in a sliding manner.
The lifting adjustment assembly in this embodiment includes a lifting bearing ring 29, a telescopic chute 30, a lifting chute 31, a central support 32, a telescopic spring 33 and bearing sliding blocks 34 in the lifting device 7, wherein the lifting bearing ring 29 is fixedly connected with the adjustment driving shaft 24, a plurality of bearing sliding blocks 34 are uniformly arranged along the circumference of the lifting bearing ring 29 in a sliding manner, the bearing sliding blocks 34 penetrate through the outer wall of the lifting bearing ring 29, six bearing sliding blocks 34 are selected in this embodiment, all bearing sliding blocks 34 are connected with the central support 32 through the telescopic spring 33, the central support 32 is fixedly arranged at the center of the lifting bearing ring 29, one end of the bearing sliding blocks 34 positioned at the outer side of the lifting bearing ring 29 is matched with the telescopic chute 30, one end of the bearing sliding blocks 34 positioned at the outer side of the lifting bearing ring 29 is in a round head design, the telescopic chute 30 is arranged on the inner wall of the sliding drum 5, the number and positions of the telescopic chute 30 correspond to those of the bearing sliding blocks 34, a slope transition is arranged between the upper end of the telescopic chute 30 and the inner wall of the sliding drum 5, the lower end of the telescopic chute 30 is a plane, the inner wall of the sliding drum 5 is further provided with the lifting sliding chute 31, the length of the lifting chute 31 is identical to the sliding drum 5, one end of the sliding chute 31 is identical to the sliding chute 31, one end of the sliding chute 31 is in a transition portion of the sliding chute 31 and the sliding chute 30 is arranged on the sliding chute 30 in a vertical direction of the sliding chute 30.
When the height is required to be adjusted, the multi-stage power cylinder 6 is driven during lifting, so that the whole slide cylinder 5 slides upwards, the telescopic screw rod 12 and the telescopic bracket 15 are provided with telescopic properties, the lifting driving gear 14 can be always matched with the transmission toothed ring 18, the bearing slide block 34 is retracted into the lifting bearing ring 29 along the slope of the telescopic slide groove 30 due to the matching of the bearing slide block 34 and the transmission shaft 20 during sliding, and the bearing slide block 34 is ejected and clamped on the plane at the bottom of the telescopic slide groove 30 by the telescopic spring 33 during sliding to the next group of telescopic slide grooves 30, so that the falling is prevented.
When the lifting driving gear 14 rotates, the first driving gear 19 drives the first driving gear 19 to rotate through the driving gear ring 18, the first driving gear 19 drives the driving shaft 20 to rotate, the threaded connection block 25 is matched with the threaded connection block 25 when the driving shaft 20 rotates, the threaded connection block 25 drives the transition rotary drum 26 to slide, the sliding direction of the transition rotary drum 26 is toward the fixed head 16, when the transition rotary drum 26 starts to slide, the limiting flitch 27 is disconnected with the sliding drum 5 firstly, the limiting flitch 27 is matched with the sliding drum 5 due to the shape, so that the limit flitch 27 can not rotate the transition drum 26 during the joint with the sliding drum 5, the tooth initial position on the transition drum 26 is not matched with the tooth groove in the driving drum 23, the sliding block in the transition drum 26 slides in the transition chute of the adjusting driving shaft 24 all the time gradually in the sliding process, the transmission gear II 22 is driven to rotate when the transmission shaft 20 rotates, the transmission gear II 22 drives the driving drum 23 to rotate through the fixed gear 21, the rotating driving drum 23 can drive the transition drum 26 to rotate when the tooth on the transition drum 26 is matched with the tooth groove in the driving drum 23, meanwhile, the transition drum 26 simultaneously drives the adjusting driving shaft 24 to rotate due to the matching of the sliding block in the transition drum 26 and the transition chute in the adjusting driving shaft 24, the adjusting driving shaft 24 drives the lifting bearing ring 29 to rotate, and before the lifting bearing ring 29 rotates, the multistage power cylinder 6 drives the whole to move upwards for a small distance, so that the bearing slide blocks 34 are disconnected with the plane at the bottom of the telescopic chute 30, and a space for the lifting bearing ring 29 to drive the bearing slide blocks 34 to rotate is provided, when the lifting bearing ring 29 rotates, two bearing slide blocks 34 on the lifting bearing ring 29 are clamped into the lifting chute 31 to facilitate descending, and at the moment, the multistage power cylinder 6 drives the whole to descend again, and after the completion, the operation can be reset to carry out the next operation.
It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present invention, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.
Claims (5)
1. The utility model provides a but height-adjusting's portable construction frame, includes base (1), and movable wheel (2), its characterized in that are installed to base (1) downside: the lower side of the base (1) is also provided with a locking device (3) used for preventing the moving wheel (2) from moving, the locking device (3) is positioned above the moving wheel (2) and is connected with a main power source (13), the upper side of the base (1) is provided with a multi-stage power cylinder (6), the multi-stage power cylinder (6) is connected with a lifting device (7), the lifting device (7) is driven by the main power source (13), the output end of the multi-stage power cylinder (6) is connected with four groups of main beams (9), the four groups of main beams (9) are uniformly distributed along the circumference of the output end of the multi-stage power cylinder (6), each group of main beams (9) is provided with a plurality of mounting frames (8), the mounting frames (8) are provided with bracket perforations for enabling the supporting frames (4) to pass through, the supporting platforms are formed by the supporting frames (4), the lifting device (7) comprises lifting transmission assemblies with the same number as the main beams (9), the lifting transmission assemblies are respectively arranged on the four groups of main beams (9), all the lifting transmission assemblies are connected with a lifting control assembly, the lifting control assembly is arranged at the output end of the multi-stage power cylinder (6), the lifting control assembly is far away from the lifting assembly (6) and is matched with the lifting cylinder (5) in the lifting cylinder (5), when descending, the sliding cylinder (5) is arranged on the base (1) and rotates to descend through the lifting transmission assembly;
the lifting control assembly comprises a telescopic bracket (15) with one end arranged on the base (1), the other end of the telescopic bracket (15) is arranged on a fixed head (16), a main power source (13) is arranged on the telescopic bracket (15), the fixed head (16) is arranged on the output end of the multi-stage power cylinder (6), a lifting driving gear (14) is further arranged on the output shaft of the main power source (13), the lifting driving gear (14) is matched with a transmission toothed ring (18), the transmission toothed ring (18) is provided with plane teeth and plane teeth on the transmission toothed ring (18), the plane teeth on the transmission toothed ring (18) are matched with the lifting driving assembly;
the lifting transmission assembly comprises a fixed rotary drum (17) with one end arranged on a fixed head (16), the other end of the fixed rotary drum (17) is rotationally connected with a fixed gear (21), the fixed gear (21) is arranged on a driving rotary drum (23), the fixed gear (21) is matched with a transmission gear II (22), the transmission gear II (22) is arranged on a transmission shaft (9), the transmission shaft (20) is rotationally arranged on a main beam (9), one end of the main beam (9) is arranged on the fixed rotary drum (17), the other end of the main beam (9) is arranged on a sliding frame (28), one end of the transmission shaft (20) is provided with a transmission gear I (19), the other end of the transmission shaft (20) is rotationally arranged on the sliding frame (28), the transmission gear I (19) is matched with end teeth of a transmission toothed ring (18), the transmission shaft (20) is provided with a threaded section, the threaded section on the transmission shaft (20) is matched with a threaded connection block (25), the threaded connection block (25) is slidingly arranged on the main beam (9), the threaded section (25) is simultaneously arranged on a transition rotary drum (26), one end of the transition rotary drum (26) is close to the fixed head (16) and is provided with teeth (23) inside the section of the sliding block (26), the sliding block in the transition rotary drum (26) is matched with the transition sliding chute on the adjustment driving shaft (24), one end of the adjustment driving shaft (24) is rotatably arranged in the fixed rotary drum (17), the other end of the adjustment driving shaft (24) passes through the sliding frame (28) to be connected with the lifting adjustment assembly, and the sliding frame (28) is arranged on the sliding drum (5) in a sliding way;
the lifting adjustment assembly comprises a lifting bearing ring (29) fixedly connected with an adjustment driving shaft (24), a plurality of bearing sliding blocks (34) are uniformly arranged along the circumference of the lifting bearing ring (29) in a sliding manner, the bearing sliding blocks (34) penetrate through the outer wall of the lifting bearing ring (29), all the bearing sliding blocks (34) are connected with a central support (32) through telescopic springs (33), the central support (32) is arranged at the center of the lifting bearing ring (29), one end of the bearing sliding blocks (34) positioned at the outer side of the lifting bearing ring (29) is matched with a telescopic sliding groove (30), the telescopic sliding grooves (30) are arranged on the inner wall of a sliding drum (5), the number and the positions of the telescopic sliding grooves (30) correspond to those of the bearing sliding blocks (34), the upper ends of the telescopic sliding grooves (30) are in slope transition with those of the inner wall of the sliding drum (5), lifting sliding grooves (31) are arranged on the inner wall of the sliding drum (5), the lengths of the lifting sliding grooves (31) are the same as those of the sliding grooves (5), and the sliding grooves (31) are in slope transition states.
2. A mobile construction work frame with stable height adjustment according to claim 1, characterized in that: the transition chute on the adjusting driving shaft (24) is axially arranged.
3. A mobile construction work frame with stable height adjustment according to claim 1, characterized in that: the other end of the transition rotary drum (26) is fixedly provided with a limiting flitch (27), and the limiting flitch (27) is arranged in an arc shape and is in contact fit with the outer surface of the sliding drum (5).
4. A mobile height-adjustable building frame according to claim 3, wherein: the telescopic sliding grooves (30) are uniformly provided with a plurality of groups in the vertical direction of the inner wall of the sliding cylinder (5).
5. A mobile construction work frame with stable height adjustment according to claim 1, characterized in that: the locking device (3) comprises friction plates (10) which are arranged on the upper sides of the movable wheels (2) in a sliding mode, each movable wheel (2) is provided with one friction plate (10) in a sliding mode, all the friction plates (10) are connected through a locking connecting frame (11), threaded holes are formed in the locking connecting frame (11), the threaded holes in the locking connecting frame (11) are matched with a telescopic screw (12), and the telescopic screw (12) is connected with an output shaft of the main power source (13).
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| CN114575571A (en) | 2022-06-03 |
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