CN112878662B

CN112878662B - Scaffold bottom support device

Info

Publication number: CN112878662B
Application number: CN202110374619.9A
Authority: CN
Inventors: 吴丽敏; 梁双营; 纪东霞; 袁景环; 郭丹丹; 宋京铎; 张莉; 张鹏; 王旭磊
Original assignee: Individual
Current assignee: Guangrao Power Supply Co Of State Grid Shandong Electric Power Co
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2022-10-21
Anticipated expiration: 2041-04-08
Also published as: CN112878662A

Abstract

The invention belongs to the technical field of support, and discloses a scaffold bottom support device which comprises a bottom plate, wherein a fixed barrel is arranged at the center of the top of the bottom plate, a lantern ring is arranged on the outer surface of one end, away from the bottom plate, of the fixed barrel, a fixing ring is arranged at the top of the outer surface of the lantern ring, a plurality of first sliding grooves are formed in the circumferential array of the top of the fixed barrel, a first sliding block is connected to the inner portion of each first sliding groove in a sliding mode, a fixing clamp is arranged at the top of each first sliding block, a plurality of first springs are uniformly arranged in the circumferential array of the inner side surface of the fixing clamp, a semicircular ring is arranged at one end, away from the fixing clamp, of each first spring, the bottom plate is polygonal, a plurality of support columns are arranged in the circumferential array of the outer surface of the fixed barrel, the other sides of the support columns are fixedly connected with the vertexes of the bottom plate, and second sliding grooves are formed in the inner cavities of the support columns. This scaffold frame bottom sprag device has more firmly, can install not equidimension steel pipe, long service life, accurate control slope degree to can carry out self-adaptation regulation to the slope.

Description

Scaffold bottom support device

Technical Field

The invention belongs to the technical field of support, and particularly relates to a scaffold bottom support device.

Background

The scaffold is in order to guarantee that each work progress goes on smoothly and the work platform who sets up, divide into outer scaffold and interior scaffold according to the position of setting up, can divide into wood scaffold frame according to the material difference, bamboo scaffold frame and steel pipe scaffold frame, divide into pole setting formula scaffold frame according to the structural style, bridge type scaffold frame, gate-type scaffold frame, suspension type scaffold frame, hanging type scaffold frame, choose formula scaffold frame and climb formula scaffold frame, the support that the top held in the palm is used for steel pipe and scaffold frame, play and adjust scaffold frame and pipe support height, the balanced support heavy object and bear the strutting arrangement of concrete structure weight effect.

The steel pipes of not equidimension can't be installed to current scaffold frame bottom strutting arrangement, and life is short, can't use on different ground, poor stability, and this strutting arrangement can incline owing to the ground unevenness when in-service use simultaneously, and this slope can lead to the steel pipe scaffold frame at top to incline thereupon, easily causes the incident.

Disclosure of Invention

The invention aims to solve the problems, and provides a scaffold bottom supporting device which has the advantages of being more stable, capable of mounting steel pipes with different sizes, long in service life, capable of adapting to different grounds and enabling the top steel pipe to be in a vertical state all the time.

In order to achieve the purpose, the invention provides the following technical scheme: a bottom supporting device for a scaffold comprises a bottom plate, wherein a fixing barrel is arranged at the center of the top of the bottom plate, a lantern ring is arranged on the outer surface of one end, away from the bottom plate, of the fixing barrel, a fixing ring is arranged on the top of the outer surface of the lantern ring, a plurality of first sliding grooves are formed in the circumference array of the top of the fixing barrel, first sliding blocks are connected inside the first sliding grooves in a sliding mode, fixing clamps are arranged on the tops of the first sliding blocks, a plurality of first springs are uniformly arranged on the circumference array of the inner side surface of each fixing clamp, a semicircular ring is arranged at one end, away from the fixing clamps, of each first spring, the bottom plate is polygonal, a plurality of supporting columns are arranged on the circumference array of the outer surface of the fixing barrel, the other sides of the supporting columns are fixedly connected with the top points of the bottom plate, second sliding grooves are formed in the inner cavities of the supporting columns, push rods are connected inside the second sliding grooves in a sliding mode, and second springs are arranged at the ends, away from the fixing barrel, the other end of the second spring penetrates through the supporting column to be provided with a supporting rod, a lifting rope is arranged at the center of the top of the inner side of the fixed barrel, a heavy hammer is arranged at the bottom of the lifting rope, a fixed column is arranged at the bottom of the inner side of the fixed barrel, a groove is formed in the top of the fixed column, the bottom of the heavy hammer is positioned in the groove, an annular groove is formed in the inner surface of the groove, an annular block is connected in the annular groove in a sliding mode, a plurality of third sliding grooves are uniformly formed in the circumferential array of one end, away from the annular block, of the annular groove, a second sliding block is connected in the third sliding grooves in a sliding mode, the other end of the second sliding block is connected with the push rod in a sliding mode, an inclined groove is formed in the second sliding block, the inclined groove inclines towards two diagonal directions along the diagonal line, the middle of the inclined groove is low, two ends of the inclined groove are high, a clamping ball is connected in the inclined groove in a sliding mode, and a plurality of fixed blocks are arranged on the circumferential array of one side of the fixed column, the fixed block is positioned right above the second sliding block, the fixed block and the second sliding block are the same in width, a concave limiting block is arranged at the bottom of the fixed block, a wedge-shaped rubber plate is arranged at the bottom of the concave limiting block, and the concave limiting block is matched with the middle part of the chute;

when the bottom plate is placed horizontally, the heavy hammer is not in contact with the annular block, the blocking ball is located between the chute and the concave limiting block, when the bottom plate inclines, the top height of the lifting rope is larger than the height of the annular block, the second sliding block inclines, the blocking ball is separated from the concave limiting block and falls into the chute, the heavy hammer inclines and extrudes the annular block to one side, the annular block drives the second sliding block and the push rod to move, the length change of the push rod drives the bottom plate to deflect, and when the blocking ball rolls to the inside of the chute and the concave limiting block again and reaches limiting, the bottom plate returns to be horizontal.

As a preferable technical scheme of the invention, the inner surface of the semicircular ring is provided with anti-skid grains.

As a preferable technical scheme of the invention, the bottom of the supporting rod is provided with a rubber block, and one end of the rubber block, which is far away from the supporting rod, is provided with an anti-skidding fixing pad.

According to a preferable technical scheme, the bottom of the bottom plate is provided with a drilling column, the surface of the drilling column is provided with spiral threads, and the bottom of the drilling column is provided with a drill bit.

As a preferable technical scheme of the invention, a plurality of reinforcing ribs are arranged between the top of the bottom plate and the fixed barrel in a circumferential array manner.

As a preferable technical scheme of the invention, L-shaped clamping blocks are arranged at two end parts of the fixing clamp, the L-shaped clamping blocks are clamped with the fixing ring, and threaded holes are formed in the L-shaped clamping blocks.

As a preferable technical scheme of the invention, the inner cavity of the threaded hole is in threaded connection with a bolt, and the end part of the bolt is in threaded connection with a nut.

As a preferable embodiment of the present invention, the weight has a mass much larger than that of each member.

As a preferable technical scheme of the invention, the top of the inner side of the groove is provided with a round chamfer.

Compared with the prior art, the invention has the following beneficial effects:

1. the device comprises a bottom plate, a fixing barrel, a fixing clamp, a drilling column, bolts and the like, wherein the bottom plate, the fixing barrel, the fixing clamp, the drilling column, the bolts and the like are arranged in the device, the floor is placed on the ground, the drilling column penetrates into the bottom surface of the device, the steel pipes are placed in the semicircular ring, the bolts penetrate through threaded holes and are matched with nuts to push and tighten the fixing clamp, the fixing clamp drives the first sliding block to slide in the first sliding groove, the first sliding block slides towards the direction of the fixing barrel, the first sliding block drives the fixing clamp to extrude the first spring, the first spring drives the semicircular ring to extrude the steel pipes and fix the steel pipes, and therefore the effect that the whole scaffold bottom supporting device can adapt to the steel pipes with different sizes is achieved.

2. The anti-skidding fixing pad is fixed with the ground after the drilling column is drilled into the ground after the bottom plate is horizontally placed on the inclined ground, the length of the supporting column is changed by the second spring through the extension length of the supporting rod, so that the anti-skidding fixing pad is suitable for the inclined ground, when the top scaffold is inclined, the second spring at the bottom buffers the inclination by means of elastic potential energy stored in the second spring and the reverse acting force of the rubber block at the bottom, so that safety accidents caused by the inclination are avoided.

3. Through the mutual matching of the pull rope, the heavy hammer, the fixed column, the concave limiting block, the annular block, the second slider, the clamping ball, the wedge-shaped rubber plate and other components, the problem that the device accurately controls the inclination of the bottom plate is solved, when the bottom device inclines, the second slider inclines along with the inclination of the bottom device, the clamping ball in the chute rolls away from the lowest position of the center of the chute without the constraint of the wedge-shaped rubber plate, the limiting control on the second slider is cancelled, the heavy hammer keeps vertical due to the self gravity constantly, the heavy hammer can extrude the annular block to enable the annular block to slide in the annular groove to drive the second slider to move, the second slider drives the push rod to move to change the length of the support column so as to support the device, the bottom plate restores to the horizontal state again, when the wedge-shaped rubber plate inclines in the using process, the wedge-shaped rubber plate carries out limiting support protection on the clamping ball, when the power of overturning that causes when the slope surpassed the joint protection scope of wedge rubber slab, the bottom plate take place the slope repeated above-mentioned work to the device buffer protection can, the device is fine accomplish accurate control to the level of bottom plate, after the control range of second spring is surpassed in the scope of slope, with the help of the characteristic of weight self gravity, thereby the length that drives each support column takes place corresponding change, make the bottom plate resume the level again, can adapt to the ground of various condition, control accuracy is high, control is timely, the reaction is rapid, and accomplish last step's support in the slope of top scaffold frame, improve the security and the adaptability of device, the while can regulate and control the slope degree of device through the spacing degree that changes the wedge rubber slab to the card ball, thereby can bear the tilting capability to the device and do accurate control, improve the anti-tilting capability of device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic left-view perspective view of the present invention;

FIG. 3 is a schematic view of a half-section structure of the present invention;

FIG. 4 is a schematic view of the structure of area A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a connection structure of a first slider and a first sliding groove according to the present invention;

FIG. 6 is a schematic view of the structure of the area B in FIG. 3 according to the present invention;

FIG. 7 is a schematic top cross-sectional view of the fixing post of the present invention;

FIG. 8 is a schematic structural view of a second slider according to the present invention;

FIG. 9 is a schematic structural view of a fixing block according to the present invention;

FIG. 10 is a schematic cross-sectional view of the stationary barrel of the present invention when the device is tilted.

In the figure: 1. a base plate; 2. reinforcing ribs; 4. fixing the barrel; 5. a collar; 6. a fixing ring; 7. a fixing clip; 8. a semi-circular ring; 9. a first spring; 10. a support pillar; 11. a support bar; 12. a rubber block; 13. an anti-skid fixing pad; 14. drilling a moving column; 15. a drill bit; 16. a bolt; 17. a nut; 19. a second spring; 20. a first slider; 21. a first chute; 22. helical thread; 23. a second chute; 24. a threaded hole; 25. anti-skid lines; 26. a lifting rope; 27. a weight; 28. fixing a column; 29. a groove; 30. a third chute; 31. a fixed block; 32. a concave limiting block; 33. a ring block; 34. a second slider; 35. a chute; 36. blocking the ball; 37. a push rod; 38. an annular groove; 39. a wedge-shaped rubber plate.

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.

First embodiment

As shown in fig. 1 to 5, the invention provides a scaffold bottom support device, a fixed barrel 4 is arranged at the center of the top of a bottom plate 1, a lantern ring 5 is arranged on the outer surface of one end of the fixed barrel 4 far away from the bottom plate 1, the lantern ring 5 plays a role in supporting, damping and protecting, so as to prevent the external friction influence on the fixed barrel 4 and reduce the use durability, a fixed ring 6 is arranged on the top of the outer surface of the lantern ring 5, a plurality of first sliding grooves 21 are arranged on the circumferential array of the top of the fixed barrel 4, a first sliding block 20 is connected in a sliding manner inside the first sliding grooves 21, a fixed clamp 7 is arranged on the top of the first sliding block 20, L-shaped clamping blocks are arranged at both ends of the fixed clamp 7, and are clamped with the fixed ring 6, so as to well limit the fixed clamp 7 and prevent the fixed clamp from sliding in the use process, a threaded hole 24 is arranged inside the L-shaped clamping block, a bolt 16 is connected with the threaded hole 24 through a thread, a nut 17 is connected with the end of the bolt 16 through a thread, the fixing clamp 7 is locked by bolts 16 and nuts 17, a plurality of first springs 9 are uniformly arranged on the circumferential array of the inner side surface of the fixing clamp 7, a semicircular ring 8 is arranged at one end, far away from the fixing clamp 7, of each first spring 9, the semicircular ring 8 can fix a steel pipe, the first springs 9 can adapt to different pipe diameters of the steel pipe and adapt to the pipe elastically, anti-slip grains 25 are arranged on the inner surface of the semicircular ring 8, gaps between the semicircular ring 8 and the steel pipe can be reduced by arranging the anti-slip grains 25 on the inner surface of the semicircular ring 8, the semicircular ring 8 and the steel pipe can be fixed, the number of the fixing clamps 7 is two, the fixing clamps 7 are arranged on the front cavity surface and the rear cavity surface of the inner cavity of the fixing ring 6, the steel pipe is placed in the semicircular ring 8, the bolts 16 penetrate through threaded holes 24 to be matched with the nuts 17 to push and shrink the fixing clamp 7, and the first sliding blocks 20 are driven by the fixing clamp 7 to slide in the first sliding grooves 21, first slider 20 slides to 4 directions of fixed bucket, and first slider 20 is pushing first spring 9 through driving fixation clamp 7, and first spring 9 drives semicircular ring 8 and extrudes the steel pipe, fixes the steel pipe to reached the effect that can adapt to not equidimension steel pipe to whole scaffold frame bottom sprag device.

Bottom plate 1 is the polygon, 4 surface circumference arrays of fixed bucket are equipped with a plurality of support columns 10, the another side of support column 10 and bottom plate 1's summit fixed connection, utilize support column 10 to make it fix the bottom surface, the three supporting role that just possesses of general support column 10 minimum design, consequently, the scheme all explains with three support column 10, circumference array all is equipped with a plurality of strengthening ribs 2 between 1 top of bottom plate and the fixed bucket 4, through consolidating fixed bucket 4 with strengthening rib 2, thereby make whole scaffold frame bottom strutting arrangement reach the effect of durable reinforcing, 1 bottom of bottom plate is equipped with brill moves post 14, it is equipped with spiral line 22 to bore 14 surfaces of post, can make personnel more quick will bore 14 of post and bore into the underground, thereby make whole scaffold frame bottom strutting arrangement more firm, it is equipped with drill bit 15 to bore 14 bottoms of post.

The working principle and the using process of the invention are as follows: at first personnel place bottom plate 1 subaerial, personnel are manual will bore movable column 14 and go into the underground through drill bit 15, insert the device when ground, support column 10 is fixed with ground contact, and support spacing to bottom plate 1, put into semicircular ring 8 with the steel pipe, pass screw hole 24 cooperation nut 17 with bolt 16 again and promote the crimple to fixation clamp 7, drive first slider 20 through fixation clamp 7 and slide in first spout 21, first slider 20 slides to fixed bucket 4 directions, first slider 20 is pushing first spring 9 through driving fixation clamp 7, first spring 9 drives semicircular ring 8 and extrudees the steel pipe, fix the steel pipe, the installation is accomplished, thereby make whole scaffold frame bottom sprag device reach the effect of durable reinforcing through setting up strengthening

rib

2 and 3. The device has reached the effect that can adapt to not equidimension steel pipe to whole scaffold frame bottom sprag device, and the adaptability of device promotes greatly, and whole scaffold frame bottom sprag device's support antiskid is effectual, makes it possess tightness and durability.

Second embodiment

Based on a scaffold frame bottom sprag device that first embodiment provided, in the in-service use in-process because the unevenness on ground to make will take place the slope when fixing device, the emergence of this slope condition can lead to the scaffold frame at top also to take place the slope thereupon, reduces the security performance of scaffold frame, very easily causes great incident, in order to solve this problem, this scaffold frame bottom sprag device still includes: the inner chamber of support column 10 is equipped with second spout 23, the inside sliding connection of second spout 23 has push rod 37, push rod 37 mainly is as supporting component, push rod 37 keeps away from 4 one ends of fixed bucket and is equipped with second spring 19, the other end of second spring 19 passes support column 10 and is equipped with bracing piece 11, bracing piece 11 bottom is equipped with block rubber 12, the one end that bracing piece 11 was kept away from to block rubber 12 is equipped with anti-skidding fixing pad 13, anti-skidding fixing pad 13 not only possesses anti-skidding function, can also realize fine fixed effect with ground with the help of parts such as screw simultaneously, can not break away from with ground easily, help to bore and move post 14 and support spacingly to the top scaffold, make its the device mainly realize supporting through block rubber 12 and ground contact, bracing piece 11 can slide in second spout 23 inside simultaneously, change its protrusion distance through second spring 19 elastic control, in order to satisfy the demand on most slope road surfaces, make bottom plate 1 realize the level better.

When the device is used, the device is placed on the ground, the control bottom plate 1 is parallel to the ground, if the ground is inclined and uneven, the device is also in an inclined state, and therefore the bottom plate 1 needs to be adjusted manually to achieve a horizontal state, a person manually drills the drilling column 14 into the ground through the drill bit 15, and in the process of drilling into the ground, the inclined ground is different from the plurality of rubber blocks 12 in distance, so that when the ground is in contact with one of the rubber blocks, the ground is probably not in contact with the other rubber blocks, when the device is further fixed, the rubber blocks 12 in contact with the ground drive the supporting rod 11 to extrude the second spring 19, the supporting rod 11 elastically contracts and controls the supporting rod 11 to slide and contract in the second sliding groove 23, and therefore, the distance between the bottom plate 1 and the rubber blocks 12 at the position is reduced, the device adapts to the inclined condition at the position, and according to the above operations, the rubber blocks 12 at other positions are in contact fixation with the ground in the process that the device continuously drills into the ground, the second springs 19 in the supporting columns 10 are different in expansion and contraction conditions but are in a compression state, the supporting rods 11 are elastically extruded all the time, and accordingly the elastic device is elastically suitable for various inclined grounds, the drilling columns 14 in the middle are vertically drilled into the ground to effectively limit the positions of the supporting columns 10, when the bottom scaffold inclines to one side and the drilling columns 14 at the bottom are not enough to limit and fix the top scaffold, the supporting columns 10 at the side incline, the contact force between the rubber blocks 12 and the ground is increased, according to the principle of acting force and reaction force, the acting force of the ground on the rubber blocks 12 is synchronously increased, the rubber blocks 12 drive the supporting rods 11 to compress the second springs 19, the second springs 19 are compressed by means of the self-stored elastic force and the acting force of the ground, the larger reverse acting force is applied to the push rod 37 to reversely support the side-tilting direction, meanwhile, the support column 10 on the side opposite to the tilting direction has a tendency of tilting in the opposite direction, at the moment, the rubber block 12 is not separated from the ground under the action of the anti-skidding fixing pad 13, so that the ground has a pulling force effect of pulling back the rubber block 12, the rubber block 12 drives the support rod 11 to synchronously stretch the second spring 19, and meanwhile, the second spring 19 in the support column 10 applies a pulling force opposite to the tilting direction to the push rod 37 under the combined action of the self-stored elastic force and the pulling force of the ground, so that the further tilting is avoided. The device is with the help of the fine realization block rubber 12 of second spring 19 elasticity and the elastic contact on ground, thereby realize when ground unevenness and bottom plate 1 level, thereby second spring 19 elastic shrinkage makes each support column 10 length different, carry out elastic support to bottom plate 1 under the mutually supporting effect, make bottom plate 1 realize the level, support the scaffold better, thereby the application scope of device has been enlarged greatly, make it adapt to various ground conditions, when the slope takes place at top scaffold simultaneously, second spring 19 cushions the support to the slope with the help of the common cooperation of its elasticity of storing of self and the effort on ground, thereby avoid it to empty and cause great incident.

Third embodiment

Based on the scaffold bottom supporting device provided by the second embodiment, in the actual use process, the horizontal arrangement of the scaffold bottom supporting device can be well controlled by the aid of the second spring 19 at the bottom, but the bottom plate 1 still needs to be horizontally arranged manually in the initial arrangement stage, the arrangement difficulty is high, and meanwhile, in the process that the drilling column 14 drills into the ground, the position of the bottom plate 1 at the top is changed at all times by using a tool, so that the situation that the bottom plate 1 is horizontal cannot be ensured after the drilling column 14 penetrates into the bottom surface, at this time, even if the bottom plate 1 cannot be corrected by means of the elastic adjustment of the second spring 19, in order to solve the problem, the bottom plate 1 is horizontal at all times, and in combination with fig. 6-10, the scaffold bottom supporting device further comprises: the top center of the inner side of the fixed barrel 4 is provided with a lifting rope 26, the bottom of the lifting rope 26 is provided with a heavy hammer 27, the mass of the heavy hammer 27 is far larger than that of each component, the heavy hammer 27 is generally a lead weight, and has a large mass, and the heavy hammer is instantly in a vertical state according to the action of the gravity of the heavy hammer, so when the bottom plate 1 inclines, the heavy hammer 27 still is in the vertical state and cannot be changed, the inclination condition of the bottom plate 1 can be well monitored and timely fed back by virtue of the characteristic, the inclination memorability of the heavy hammer is effectively corrected, the bottom of the inner side of the fixed barrel 4 is provided with a fixed column 28, the top of the fixed column 28 is provided with a groove 29, the top of the inner side of the groove 29 is provided with a round chamfer, the bottom of the heavy hammer 27 is positioned in the groove 29, the round chamfer is matched with the heavy hammer 27, the bottom plate 1 is mainly prevented from slightly inclining, the heavy hammer 27 is contacted with the top of the groove 29, and a good control effect can not be realized, the inner surface of the groove 29 is provided with an annular groove 38, the annular groove 38 is connected with an annular block 33 in a sliding way, the design of the annular block 33 mainly takes the range problem into consideration, the swing angle of the weight 27 cannot be determined, therefore, by virtue of the annular whole continuous design of the annular block 33, when the bottom plate 1 inclines, the weight 27 presses the annular block 33, the pressing direction and the magnitude are related to the inclination of the bottom plate 1, the weight 27 presses the annular block 33 to enable the annular block 33 to bear the force at any position in the whole annular block 33, and the magnitude direction of the force is diffused to each position of the annular block 33 by the pressing position of the weight 27, for example, when the bottom plate 1 inclines towards the right side, the fixed barrel 4 inclines along with the force, because the height of the inner annular block 33 is lower than the height of the lifting rope 26, the inclined distance of the top of the lifting rope 26 at the same inclined angle is larger, the weight 27 is still in a vertical state, therefore, the weight 27 can press the annular block 33 towards the right side along with the force, the annular block 33 moves towards the right side, so that the right side of the annular block 33 enters the annular groove 38, the annular block 33 on the left side slides rightwards and slides out of the annular groove 38, a plurality of third sliding grooves 30 are uniformly formed in a circumferential array at one end, away from the annular block 33, of the annular groove 38, the positions of the third sliding grooves 30 correspond to those of the supporting column 10, second sliding blocks 34 are connected in the third sliding grooves 30 in a sliding mode, and the other ends of the second sliding blocks 34 are connected with push rods 37 in a sliding mode.

The second slide block 34 is internally provided with a chute 35, the chute 35 inclines towards two diagonal directions along a diagonal line, the middle of the chute 35 is low, the two ends of the chute 35 are high, the chute 35 is connected with a clamping ball 36 in a sliding manner, when the bottom plate 1 is placed horizontally, the second slide block 34 is also horizontal, therefore, the clamping ball 36 is positioned at the middle position of the chute 35 under the action of self gravity, when the second slide block 34 inclines, the clamping ball 36 can roll away from the middle position of the chute 35 along with the inclination, when the second slide block 34 recovers to be horizontal again, the clamping ball 36 can enter the middle low position again, a plurality of fixed blocks 31 are arranged in a circumferential array on one side of the fixed column 28, the fixed blocks 31 are positioned right above the second slide block 34, the fixed blocks 31 and the second slide block 34 have the same width, the bottom of the fixed blocks 31 is provided with a concave limiting block 32, the bottom of the concave limiting block 32 is provided with a wedge-shaped rubber plate 39, and the concave limiting block 32 is matched with the middle position of the chute 35, the concave limiting block 32 is mainly used for clamping the clamping ball 36 when the chute 35 is at the lowest position, and limiting the second sliding block 34 when the second sliding block 34 reaches the horizontal position, so as to effectively support the support column 10 and prevent the sliding deviation of the support column, and simultaneously, the two side surfaces of the wedge-shaped rubber plate 39 at the bottom have radians, so that the clamping ball 36 in the concave limiting block 32 can easily enter and be difficultly exited, thereby well limiting the movement of the clamping ball 36, therefore, the control range of the device for inclining and toppling can be realized by designing the inclination angle of the wedge-shaped rubber plate 39 and the maximum inclination angle of the second sliding block 34 when the clamping ball 36 is separated from the wedge-shaped rubber plate 39, thereby regulating the control precision of the inclination of the device, realizing wider application range and enlarging application scenes, and ensuring that the clamping ball 36 can slide out of the concave limiting block 32 under the condition of self weight when the second sliding block 34 inclines, meanwhile, when the second slider 34 is horizontal, the blocking ball 36 rolls into the lowest position in the middle of the chute 35 under the action of the dead weight and is clamped by the concave limiting block 32 again, the chute 35 and the concave limiting block 32 are mainly designed according to actual use conditions along the diagonal direction, because the second slider 34 needs to move during actual use, and the fixing block 31 is fixed, so that no matter how far the second slider 34 slides and inclines towards any direction, the concave limiting block 32 corresponding to the chute 35 can limit the blocking ball 36, the situation that the blocking ball 36 cannot be separated from the concave limiting block 32 and return to the concave limiting block 32 in certain directions due to the single-direction design of the chute 35 is avoided, the adaptability of the chute is improved, when the bottom plate 1 is horizontally placed, the weight 27 does not contact with the annular block 33, the blocking ball 36 is located between the chute 35 and the concave limiting block 32, when the bottom plate 1 inclines, the second slider 34 inclines, the blocking ball 36 is separated from the concave limiting block 32 and the chute 35, the annular block 33 is pressed to one side, the annular block 33 drives the push rod 34 and the push rod 37 to move, when the weight 37 deflects, the length of the bottom plate 1 is changed, the blocking ball 36 rolls into the concave limiting block 32 again, and the chute 35 and the bottom plate 32 again, and the limiting block 32 returns to the horizontal position when the bottom plate 1.

When the bottom plate 1 is inclined to a low degree, the bottom plate 1 can be elastically corrected and limited by the second spring 19 in the support pillar 10, at this time, the ball 36 in the second sliding block 34 is located at the bottom of the inclined groove 35 and limited by the concave limiting block 32, when the bottom plate 1 is inclined to the right side too much, for example, the fixed barrel 4 is inclined to a large extent, the lifting rope 26 at the top of the fixed barrel 4 swings to a larger extent, because the weight 27 has a large mass and keeps a vertical state at the time, the weight 27 swings to the right side more than the ring block 33 at the bottom, the weight 27 presses the ring block 33 to the right side, the ring block 33 is pressed by the whole body, all parts of the ring block 33 are displaced correspondingly at the ring groove 38, specifically, the ring block 33 at the right side slides deep to the right side of the ring groove 38 synchronously, the ring block 33 at the left side slides out to the right side of the ring groove 38, the other positions all slide to different degrees, the annular block 33 extrudes the second sliding block 34, but the second sliding block 34 can not slide under the limiting action of the clamping ball 36, when the acting force of the clamping ball 36 in the second sliding block 34 on the wedge-shaped rubber plate 39 exceeds the braking force of the wedge-shaped rubber plate 39 due to inclination, the clamping ball 36 is separated from the constraint of the concave limiting block 32 and slides to any position of the inclined groove 35, so the wedge-shaped rubber plate 39 can be used as the starting threshold value, the anti-inclination action threshold value of the bottom supporting device can be set by setting the limiting degree of the wedge-shaped rubber plate 39 on the clamping ball 36, the effective inclination range is controlled to adapt to various ground environments to the maximum extent, the push rod 37 can be extruded rightwards when the second sliding block 34 on the right side slides, the push rod 37 can slide downwards in the extruding process and slide out of the second sliding groove 23, so the length of the side supporting column 10 can be increased along with the sliding, therefore, the side is reversely supported by the matching of the second spring 19 and the rubber block 12, meanwhile, the left second slide block 34 slides to the right along with the sliding of the annular block 33, so that the left push rod 37 loses the supporting function, the left push rod 37 contracts inside the second chute 23 under the pushing force of the right side, the length of the support column 10 is reduced, so as to adapt to the inclined ground, under the control of the length change of the plurality of support columns 10, the bottom plate 1 gradually inclines to the reverse direction and gradually restores the horizontal degree, in the gradual restoring process of the bottom plate 1, the second slide block 34 gradually restores to the horizontal degree, the clamping ball 36 in the chute 35 gradually slides to the lowest position in the middle under the self gravity, when the bottom plate 1 completely restores to the horizontal level, the weight 27 does not apply the extrusion force to the annular block 33 any more, the weight 27 is in close contact with the left side of the annular block 33, the second slide block 34 restores to the horizontal degree, the clamping ball 36 enters the lowest position in the center of the chute 35 and slides into the concave stopper 32 through the wedge-shaped rubber plate 39 to perform the limiting, the limiting of the second slide block 34 and the supporting device, at the other side, and the supporting device is prepared for stable clamping of the support column 10 and the middle of the concave stopper 32 by means that the clamping ball 34 and the supporting device is fixed support column 35 and the supporting device.

When the scaffold on the top of the device inclines, the second spring 19 on the bottom makes proper reverse support for the inclination by using the elasticity of the second spring 19, if the inclination degree exceeds the control capacity of the second spring 19, the push rod 37 in the support column 10 is extruded by the elasticity of the second spring 19 to slide inwards and extrude the second slider 34, the sliding trend of the second slider 34 is limited by the clamping limit of the clamping ball 36 and the concave limit block 32 in the second slider 34, the push rod 37 is reversely supported and limited, the device is prevented from inclining, when the inclination is further increased, the clamping limit capacity of the wedge-shaped rubber plate 39 to the clamping ball 36 is exceeded, the clamping ball 36 is separated from the limit of the wedge-shaped rubber plate 39, so that the second slider 34 slides, the limit of the push rod 37 is cancelled, at the moment, the bottom plate 1 completely loses support and inclines, the support work can be carried out after the inclination occurs, the second slider 34 and the push rod 37 are supported by the gravity of the heavy object, and finally, the top is prevented from suddenly inclining to drive the bottom device to cause a serious safety accident. Accurate control is accomplished to the fine level to bottom plate 1 of the device, after the control range of second spring 19 is surpassed in the slope scope, with the help of the characteristic of weight 27 self gravity, thereby drive the length of each support column 10 and take place corresponding change, make bottom plate 1 resume the level again, can adapt to the ground of various condition, control accuracy is high, control is timely, the reaction is rapid, and accomplish last step support in the slope of top scaffold, the security and the adaptability of improvement device, the slope bearing degree of device can be regulated and control through the spacing degree that changes wedge rubber slab 39 pair card ball 36 simultaneously, thereby can bear the slope ability to the device and do accurate control, improve the anti slope ability of device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scaffold bottom bracing arrangement, includes bottom plate (1), its characterized in that: the improved structure of the lifting device is characterized in that a fixed barrel (4) is arranged at the center of the top of the bottom plate (1), a lantern ring (5) is arranged on the outer surface of one end, away from the bottom plate (1), of the fixed barrel (4), a fixing ring (6) is arranged at the top of the outer surface of the lantern ring (5), a plurality of first sliding grooves (21) are formed in the circumference array of the top of the fixed barrel (4), a first sliding block (20) is connected to the inside of each first sliding groove (21) in a sliding mode, a fixing clamp (7) is arranged at the top of each first sliding block (20), a plurality of first springs (9) are evenly arranged on the circumference array of the inner side surface of the fixing clamp (7), a semicircular ring (8) is arranged at one end, away from the fixing clamp (7), of each first spring (9), a base plate (1) is polygonal, a plurality of supporting columns (10) are arranged on the circumference array of the outer surface of the fixing barrel (4), the other side of each supporting column (10) is fixedly connected with the top of the bottom plate (1), a second sliding groove (23) is arranged in an inner cavity of the supporting column (10), a push rod (37) is connected to the inside in a sliding mode, a second sliding mode is arranged at one end of the second sliding groove (23), a supporting rod (19) is arranged at one end, a lifting rope (19) is arranged at the center of the other end, a lifting rope (19) of the other end of the supporting rod (19), and a lifting rope (11) passes through the fixing barrel (19), and a lifting rope (11) is arranged at the top of the fixing barrel (11), a heavy hammer (27) is arranged at the bottom of the lifting rope (26), a fixed column (28) is arranged at the bottom of the inner side of the fixed barrel (4), a groove (29) is formed in the top of the fixed column (28), the bottom of the heavy hammer (27) is positioned in the groove (29), an annular groove (38) is formed in the inner surface of the groove (29), an annular block (33) is connected in the annular groove (38) in a sliding manner, a plurality of third sliding grooves (30) are uniformly formed in a circumferential array of one end, far away from the annular block (33), of the annular groove (38), a second sliding block (34) is connected in the third sliding groove (30) in a sliding manner, the other end of the second sliding block (34) is connected with a push rod (37) in a sliding manner, a chute (35) is formed in the second sliding block (34), the chute (35) is inclined in the diagonal direction, the middle of the chute (35) is low in the middle, two ends of the chute (35) are high, a clamping ball (36) is connected in the chute (35) in a sliding manner, a plurality of fixed blocks (31) are arranged in a circumferential array of one side of the fixed column (28), the fixed block (31) is positioned right above the second sliding block (34), a wedge-shaped rubber block (31), a concave-shaped rubber plate (32) is arranged at the bottom of the concave-shaped limiting block (31), the concave limiting block (32) is matched with the middle part of the chute (35);

when the bottom plate (1) is placed horizontally, the heavy hammer (27) is not in contact with the annular block (33), the blocking ball (36) is located between the inclined groove (35) and the concave limiting block (32), when the bottom plate (1) inclines, as the top height of the lifting rope (26) is larger than the height of the annular block (33), the second sliding block (34) inclines, the blocking ball (36) is separated from the concave limiting block (32) and falls into the inclined groove (35), the heavy hammer (27) inclines and presses the annular block (33) to one side, the annular block (33) drives the second sliding block (34) and the push rod (37) to move, the length change of the push rod (37) drives the bottom plate (1) to deflect, and when the blocking ball (36) rolls into the inclined groove (35) and the concave limiting block (32) again and reaches limiting, the bottom plate (1) returns to be horizontal.

2. A scaffold bottom support arrangement as claimed in claim 1, wherein: the inner surface of the semicircular ring (8) is provided with anti-skid grains (25).

3. A scaffold bottom support arrangement as claimed in claim 1, wherein: the bottom of the supporting rod (11) is provided with a rubber block (12), and one end, far away from the supporting rod (11), of the rubber block (12) is provided with an anti-skidding fixing pad (13).

4. A scaffold bottom support arrangement as claimed in claim 1, wherein: the drilling tool is characterized in that a drilling moving column (14) is arranged at the bottom of the bottom plate (1), spiral threads (22) are arranged on the surface of the drilling moving column (14), and a drill bit (15) is arranged at the bottom of the drilling moving column (14).

5. A scaffold bottom support arrangement according to claim 1, wherein: the circumference array all is equipped with a plurality of strengthening ribs (2) between bottom plate (1) top and fixed bucket (4).

6. A scaffold bottom support arrangement as claimed in claim 1, wherein: the fixing clamp is characterized in that L-shaped clamping blocks are arranged at two end parts of the fixing clamp (7) and clamped with the fixing rings (6), and threaded holes (24) are formed in the L-shaped clamping blocks.

7. A scaffold bottom support arrangement according to claim 6, wherein: the threaded hole (24) inner chamber threaded connection has bolt (16), bolt (16) tip threaded connection has nut (17).

8. A scaffold bottom support arrangement according to claim 1, wherein: the mass of the weight (27) is much greater than that of each component.

9. A scaffold bottom support arrangement as claimed in claim 1, wherein: and the top of the inner side of the groove (29) is provided with a round chamfer.