CN115897971A - Scaffold convenient to adjust - Google Patents

Abstract

The invention relates to a scaffold, in particular to a scaffold convenient to adjust. The scaffold convenient to adjust provided by the invention can adjust the required height more stably and rapidly, is time-saving and labor-saving, has high safety, and can effectively improve the construction efficiency. A scaffold convenient to adjust comprises a lower frame, a vertical shaft, an upper frame, a sliding sleeve and the like; the last rotation type of lower frame is connected with six vertical axes, six the rotation type is connected with the upper ledge between the vertical axis, each the last cover of vertical axis has the sliding sleeve. Two handles of staff's pulling remove, let the fixture block break away from the draw-in groove, highly promote back the type frame according to the construction requirement after that and reciprocate, the height of adjustment bearing frame, then loosen the handle, let in the fixture block card goes into the draw-in groove again, will return the type frame and pin, and then can quick adjustment bearing frame's height to with its locking on the position of construction requirement, make things convenient for the staff to carry out the construction operation to the not co-altitude of construction building, can effectively improve the efficiency of construction like this.

Description

Scaffold convenient to adjust

Technical Field

The invention relates to a scaffold, in particular to a scaffold convenient to adjust.

Background

The scaffold is in order to guarantee that each work progress goes on smoothly and the work platform of setting up, and the staff adopts the scaffold to come the auxiliary operation usually when the aerial work, and the staff can accomplish the operation of take the altitude through stepping on the scaffold, improves the efficiency of construction, and the type of scaffold has a plurality ofly, and the engineering construction of different grade type can choose the scaffold of different usage for use.

In the work progress of some small-size buildings, can come the auxiliary operation with some miniature scaffolds, but because the high position of the requirement of constantly changing the construction that needs according to the construction in the work progress leads to the staff to need frequently to dismantle and reassemble scaffold, and operating procedure is loaded down with trivial details, leads to the efficiency of construction low. At present, some scaffolds can adjust the height through carrying the backup pad, but need a plurality of staff to carry simultaneously, waste time and energy, the backup pad also can be placed not stably enough moreover, the many people of being not convenient for are under construction the operation simultaneously, and danger coefficient is great.

Disclosure of Invention

In view of this, the invention provides a scaffold convenient to adjust, which can adjust the required height more stably and rapidly, is time-saving and labor-saving, has high safety, and can effectively improve the construction efficiency.

The technical implementation scheme of the invention is as follows: the utility model provides a scaffold frame convenient to adjust, includes lower frame, vertical axis, upper ledge, sliding sleeve, time type frame, bearing frame, actuating mechanism and chucking mechanism, the rotation type is connected with six vertical axes on the lower frame, six the rotary type is connected with the upper ledge between the vertical axis, each the last cover of vertical axis has the sliding sleeve, six fixedly connected with time type frame between the sliding sleeve, bearing frame sliding type connection is on time type frame, actuating mechanism establishes on the upper ledge, each all be equipped with chucking mechanism on the sliding sleeve.

In a preferred embodiment of the present invention, the driving mechanism includes a column gear, racks, handles, movable plates, fixed plates, and a return spring, the top end of each vertical shaft is fixedly connected with the column gear, each column gear is located in an upper frame, two racks are slidably connected in the upper frame, the two racks are arranged in a staggered manner, each column gear is engaged with the racks, one end of each rack is rotatably connected with the handle, two movable plates are fixedly connected to each rack, four fixed plates are fixedly connected to the inner wall of the upper frame, and the return spring is connected between the movable plates and the fixed plates.

In a preferred embodiment of the present invention, the clamping mechanism includes a clamping block and a snap spring, two grooves are formed on an inner side of each sliding sleeve, the two grooves on the same sliding sleeve are symmetrically arranged, a clamping block is slidably connected in each groove, a snap spring is connected between each clamping block and the sliding sleeve, a plurality of clamping grooves are formed on each vertical shaft, two clamping grooves form a group, and the clamping block is clamped in one of the clamping grooves.

In a preferred embodiment of the invention, the bending die further comprises a guide assembly, the guide assembly is arranged on the lower frame and connected with the upper frame, the guide assembly comprises a mounting plate and six-edge slide bars, two mounting plates are fixedly connected to the top of the lower frame and the bottom of the upper frame respectively, the two mounting plates form a group, the two six-edge slide bars are fixedly connected between the two mounting plates, the six-edge slide bars are of a hollow structure, each six-edge slide bar is fixedly connected with the lower frame and the upper frame, and the bending frame is connected with the four six-edge slide bars in a sliding manner.

In a preferred embodiment of the present invention, the adjusting device further comprises an adjusting assembly, the adjusting assembly is disposed on each of the upper frame and the lower frame, the adjusting assembly comprises a horizontal shaft, two hole columns, two reels, and a steel wire rope, the upper frame and the lower frame are rotatably connected to the two horizontal shafts, the two horizontal shafts on the upper frame are symmetrically disposed, the two horizontal shafts on the lower frame are symmetrically disposed, each horizontal shaft is rotatably connected to a hexagonal slide rod, the two ends of each horizontal shaft are fixedly connected to the hole columns, each hole column is provided with a vertical hole, each horizontal shaft is fixedly connected to two reels, each reel passes through the hexagonal slide rod, each reel is fixedly connected to the steel wire rope, the steel wire rope is wound on the reel, the other end of each steel wire rope is fixedly connected to the rectangular frame, the four steel wire ropes on the upper side pass through the upper frame, and the four steel wire ropes on the lower side pass through the lower frame.

In a preferred embodiment of the present invention, the present invention further comprises a control mechanism, the control mechanism is disposed on the vertical shaft, the control mechanism comprises friction circular plates, friction square plates and connecting springs, the friction circular plates are fixedly connected to bottom ends of the vertical shafts disposed on the left and right sides of the lower frame, each friction circular plate is disposed in the lower frame, the friction square plate is slidably connected between lower portions of the two vertical shafts disposed on the same side of the lower frame, each friction square plate is disposed in the lower frame, the friction square plates are disposed above the friction circular plates, openings are disposed on the left and right sides of the lower frame, the two openings are symmetrically disposed, the friction square plates pass through the openings, and two connecting springs are connected between the lower frame and each friction square plate.

In a preferred embodiment of the present invention, the safety mechanism is disposed on the sliding sleeve, and the safety mechanism includes a horizontal sliding rod, an arc friction plate and a horizontal spring, the two sliding sleeves located in the middle of the clip frame are slidably connected with the horizontal sliding rod, the two horizontal sliding rods are both in contact with the bearing frame, the two horizontal sliding rods are both fixedly connected with the arc friction plate, the horizontal spring is connected between the sliding sleeve and the arc friction plate, and the left and right sides of the middle of the bearing frame are both provided with bevel notches.

In a preferred embodiment of the invention, the device further comprises a bearing frame, and the bearing frame is fixedly connected to the bottom of the bearing frame.

Two handles of staff pulling are to the direction removal of keeping away from each other, make the vertical axis rotate ninety degrees, let the fixture block break away from the draw-in groove, the fixture block is no longer spacing to the sliding sleeve, highly promote back type frame according to the construction requirement and reciprocate after that, the height of adjustment bearing frame, then loosen the handle, make vertical axis antiport ninety degrees, let the fixture block go into the draw-in groove again, it is spacing again to the sliding sleeve, will return the type frame and lock, and then can the height of quick adjustment bearing frame, and lock it on the position of construction requirement, make things convenient for the staff to carry out the construction operation to the not co-altitude of construction building, can effectively improve the efficiency of construction like this.

In addition, when the staff promoted back the type frame and reciprocated, the hexagonal slide bar can lead back the type frame, lets back the type frame steadily and reciprocate fast for it is more laborsaving when the staff promoted back the type frame and reciprocates, makes six sliding sleeves keep the horizontally state simultaneously, so that the fixture block can be fast and stably block into in the draw-in groove, lock the sliding sleeve fast with returning the type frame, thereby can be fast and stably adjust the height of bearing frame.

In addition, after staff pulling handle removed, the hole post that rotates to be located top or below, and then carries out the rolling to the wire rope that is located top or below, because every wire rope all the atress is even, so wire rope pulling returns the dynamics that the type frame reciprocated also is even, can pull back type frame and bearing frame more steadily like this and reciprocate to reciprocate back type frame more steadily, adjust the height of bearing frame.

In addition, after the staff pulled the handle and removed, stepped on the square board of friction by other two staff and moved downwards, with the vertical axis locking, the staff can loosen the handle like this to vacate the hand and rotate the hole post that is located top or below, only need like this several people just can the quick adjustment return the height of type frame, labour saving and time saving more is applicable to the scene of few people construction operation.

In addition, when a worker stands on the bearing frame, the bearing frame can extrude the horizontal sliding rod to move, so that the arc-shaped friction plate extrudes the vertical shaft, the friction force between the sliding sleeve and the vertical shaft is increased, and the square frame can be locked on the vertical shaft more stably; when more people stand on the bearing frame, the force of the arc friction plate for extruding the vertical shaft is larger, so that the friction force between the sliding sleeve and the vertical shaft is larger, the square-shaped frame is firmly locked on the vertical shaft, the bearing frame can support more people, and simultaneous multi-person operation is supported; when having the people on the bearing frame simultaneously, the arc friction plate can lock the sliding sleeve by oneself for the staff can't carry out the unblock to returning the type frame, can avoid the bearing frame to be locked by mistake and the staff falls like this, lets the scaffold frame safer.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional perspective view of the driving mechanism of the present invention.

FIG. 3 is a partially cut-away perspective view of the drive mechanism and adjustment assembly of the present invention.

Fig. 4 is a schematic sectional perspective view of the present invention.

Fig. 5 is an enlarged perspective view of a in fig. 4 according to the present invention.

Fig. 6 is a partially cut-away perspective view of the chucking mechanism of the present invention.

Fig. 7 is a partially cut-away perspective view of the clamping mechanism and the safety mechanism of the present invention.

Fig. 8 is a schematic view of a first partially cut-away perspective structure of the present invention.

Fig. 9 is a partial perspective view of the control mechanism of the present invention.

Fig. 10 is a partially cut-away perspective view of the control mechanism of the present invention.

Fig. 11 is a schematic partial perspective view of the vertical shaft, the clamping groove and the friction circular plate of the present invention.

Fig. 12 is a schematic cross-sectional perspective view of a guide assembly of the present invention.

Fig. 13 is a schematic view of a first partially cut-away perspective structure of a guide assembly and an adjustment assembly of the present invention.

FIG. 14 is a second partially cut-away perspective view of the guide assembly and adjustment assembly of the present invention.

Fig. 15 is a schematic view of a second partially cut-away perspective structure of the present invention.

Fig. 16 is an enlarged perspective view of B in fig. 15 according to the present invention.

Wherein the figures include the following reference numerals: 1. the device comprises a lower frame, 2, a vertical shaft, 3, an upper frame, 4, a sliding sleeve, 5, a clip frame, 51, a bearing frame, 61, a column gear, 62, a rack, 621, a handle, 63, a movable sheet, 64, a fixed sheet, 65, a return spring, 71, a groove, 72, a clamping block, 73, a clamping spring, 74, a clamping groove, 81, a mounting plate, 82, a hexagonal sliding rod, 91, a transverse shaft, 92, a hole column, 93, a reel, 94, a steel wire rope, 101, a friction circular plate, 102, a friction square plate, 103, an opening, 104, a connecting spring, 111, a horizontal sliding rod, 112, an arc friction plate, 113, a horizontal spring, 114, a bevel opening, 12 and a bearing frame.

Detailed Description

In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Example 1: the utility model provides a scaffold frame convenient to adjust, as shown in fig. 1-6, including lower frame 1, vertical axis 2, upper ledge 3, sliding sleeve 4, time type frame 5, bearing frame 51, actuating mechanism and chucking mechanism, the rotation type is connected with six vertical axes 2 on lower frame 1, six vertical axis 2 is vertical setting, six the rotary type is connected with upper ledge 3 between the vertical axis 2, six vertical axis 2 all is located between lower frame 1 and the upper ledge 3, each the cover all has sliding sleeve 4 on the vertical axis 2, six fixedly connected with time type frame 5 between the sliding sleeve 4, bearing frame 51 slidingtype is connected on time type frame 5, actuating mechanism establishes on upper ledge 3, actuating mechanism is used for unblock time type frame 5, each all be equipped with chucking mechanism on the sliding sleeve 4, chucking mechanism is used for locking time type frame 5.

Actuating mechanism is including post gear 61, rack 62, handle 621, movable plate 63, stationary blade 64 and reset spring 65, every the top of vertical axis 2 all is connected with post gear 61, each through the parallel key post gear 61 all is located upper ledge 3, 3 internal sliding type of upper ledge has two racks 62, two rack 62 is the dislocation set, two rack 62 is the level setting, each post gear 61 all meshes with rack 62, each rack 62's the equal rotary type of one end is connected with handle 621, each all there are two movable plates 63 through bolted connection on the rack 62, there are four stationary blades 64 through bolted connection on the inner wall of upper ledge 3, there is reset spring 65 through being connected with the couple between movable plate 63 and the stationary blade 64, reset spring 65 is located upper ledge 3.

The clamping mechanism is including fixture block 72 and jump ring 73, every two recesses 71 have all been seted up to sliding sleeve 4 inboard, and two recesses 71 that are located on same sliding sleeve 4 are the symmetry and set up, all are connected with fixture block 72 in each recess 71 slidingly, each all be connected with jump ring 73 through the couple between fixture block 72 and the sliding sleeve 4, each a plurality of draw-in groove 74 has all been seted up on the vertical axis 2, two draw-in groove 74 is a set of, fixture block 72 card is gone into in one of them draw-in groove 74.

In operation, the scaffold is placed beside the construction building, first two workers pull the handle 621 to swing upwards, then pull the two handles 621 to move away from each other simultaneously, the handle 621 moves to drive the rack 62 and the movable plate 63 to move together, the reset spring 65 is stretched, the rack 62 moves to drive the column gear 61 engaged therewith to rotate ninety degrees, the column gear 61 rotates ninety degrees to drive the vertical shaft 2 to rotate ninety degrees, the vertical shaft 2 rotates to press the two blocks 72 to move away from each other, the clamp spring 73 is compressed, the block 72 moves to not block the clamp groove 74 any more, so that the clamp groove 74 no longer limits the sliding sleeve 4, because the sliding sleeve 4 and the vertical shaft 2 have a certain friction force, the sliding sleeve 4 and the return frame 5 do not move downwards under the action of gravity, then other workers push the return frame 5 to move upwards or downwards together, the return frame 5 moves upwards or downwards to drive the rack 51 to move upwards or downwards, thereby adjusting the load-bearing frame 51 to a required height, thereafter, the workers loosen the handles 65, the handles pull the rack 621 move upwards or downwards to drive the return spring 73 to rotate downwards to drive the rack gear 62, the return spring 73 to rotate downwards to drive the rack 51, and the return the rack gear 61 again, when the rack gear 61 rotates to rotate backwards, the vertical shaft 61 again, the clamp spring 73 rotates to rotate downwards, the rack 51, and the rack 62 again, and then can be according to the height quick adjustment of construction requirement bearing frame 51 high, make bearing frame 51 locking on the position of construction requirement, make things convenient for the staff to carry out the construction operation to the co-altitude of construction building, can effectively improve the efficiency of construction like this.

Example 2: on embodiment 1's basis, as shown in fig. 5-12, still including the direction subassembly, the direction subassembly is established on lower frame 1 and is connected with upper ledge 3, the direction subassembly is used for leading to returning type frame 5, the direction subassembly is including mounting panel 81 and hexagonal slide bar 82, all there are two mounting panels 81, two through bolted connection lower frame 1 top and upper ledge 3 bottom mounting panel 81 is a set of, two the welding has two hexagonal slide bars 82 between the mounting panel 81, four hexagonal slide bar 82 is vertical setting, hexagonal slide bar 82 is hollow structure, each hexagonal slide bar 82 all with lower frame 1 and upper ledge 3 fixed connection, just returning type frame 5 and four equal sliding connection of hexagonal slide bar 82.

When the worker pushes the clip frame 5 to move upwards or downwards, the hexagonal sliding rod 82 guides the clip frame 5, so that the clip frame 5 cannot be inclined in the process of moving upwards or downwards, and the clip frame 5 can stably and quickly move upwards or downwards, so that the worker can save more labor when pushing the clip frame 5 to move upwards and downwards, and meanwhile, the six sliding sleeves 4 can be kept in a horizontal state, so that the clamping blocks 72 can be quickly and stably clamped into the clamping grooves 74, the sliding sleeves 4 and the clip frame 5 are locked, and the height of the bearing frame 51 can be quickly and stably adjusted.

Example 3: on the basis of embodiment 1, as shown in fig. 2 to 14, the present invention further includes an adjusting assembly, the upper frame 3 and the lower frame 1 are both provided with an adjusting assembly, the adjusting assembly is used for adjusting the height of the loop frame 5, the adjusting assembly includes a cross shaft 91, hole pillars 92, reels 93 and a steel wire rope 94, the upper frame 3 and the lower frame 1 are both rotatably connected with the two cross shafts 91, the two cross shafts 91 on the upper frame 3 are symmetrically arranged, the two cross shafts 91 on the lower frame 1 are symmetrically arranged, the four cross shafts 91 are horizontally arranged, each cross shaft 91 is rotatably connected with a hexagonal rod 82, both ends of each cross shaft 91 are fixedly connected with the hole pillars 92, each hole pillar 92 is provided with a vertical hole, each cross shaft 91 is fixedly connected with two reels 93, each reel 93 passes through the hexagonal rod 82, each reel 93 is fixedly connected with the steel wire rope 94, and the steel wire rope 94 is wound on the reel 93, the other end of each steel wire rope 94 is fixedly connected with the loop frame 5, the four steel wire ropes 94 above pass through the upper frame 3, and pass through the four lower frames 94.

Initially, after the worker pulls the handle 621 and the rack 62 to move, if the height of the load-bearing frame 51 needs to be adjusted upward, two L-shaped wrenches can be inserted into the vertical hole of one of the hole posts 92 located on the left and right sides of the upper frame 3 by two other workers, and then the two L-shaped wrenches are rotated simultaneously, the rotation of the L-shaped wrenches can drive the hole posts 92 and the cross shafts 91 located on the left and right sides of the upper frame 3 to rotate, the rotation of the cross shafts 91 located on the left and right sides of the upper frame 3 can drive the reels 93 to rotate, the rotation of the reels 93 located on the left and right sides of the upper frame 3 can wind up the steel wire ropes 94 located on the left and right sides of the upper frame 3, the steel wire ropes 94 located on the left and right sides of the upper frame 3 can pull the return frame 5 to move upward simultaneously, the return frame 5 can pull the steel wire ropes 94 located on the left and right sides of the lower frame 1 to unwind simultaneously, and the steel wire ropes 94 located on the left and right sides of the upper frame 3 can be pulled uniformly by the pull the return frame 5, so that the load-bearing frame 51 can be locked when the workers move upward, and the load-bearing frame 51 can be loosened; if the height of the load-bearing frame 51 needs to be adjusted downwards, two L-shaped wrenches can be inserted into one of the vertical holes of the hole columns 92 on the left side and the right side of the lower frame 1 by other two workers, then the two L-shaped wrenches are rotated simultaneously, the hole columns 92 and the transverse shafts 91 on the left side and the right side of the lower frame 1 can be driven to rotate by the rotation of the L-shaped wrenches, the transverse shafts 91 on the left side and the right side of the lower frame 1 can be driven to rotate by the rotation of the transverse shafts 91, the steel wire ropes 94 on the left side and the right side of the lower frame 1 can be wound by the rotation of the coiling mechanisms, the steel wire ropes 94 on the left side and the right side of the lower frame 1 can pull the return frame 5 downwards, the return frame 5 can be pulled downwards by the return frame 5 while the return frame 5 moves downwards, the steel wire ropes 94 on the left side and the right side of the upper frame 3 can be unwound, the steel wire ropes 94 on the left side and the right side of the lower frame 1 can be uniformly stressed, the steel wire ropes 94 can pull the return frame 5 downwards to move downwards, the return frame 51 can be more stably, the L-bearing frame 51 can be locked when the L-shaped wrenches and the load-bearing frame 51 and the L-bearing frame 51 can be more stably adjusted, and the load-bearing frame 51, and the L-bearing frame 51 can be more stably adjusted.

Example 4: on the basis of embodiment 1, as shown in fig. 2 to 11, the present invention further includes a control mechanism, the control mechanism is disposed on the vertical shaft 2, the control mechanism includes a friction circular plate 101, friction square plates 102 and connecting springs 104, the bottom ends of the vertical shaft 2, which are disposed on the left and right sides of the lower frame 1, are connected with the friction circular plate 101 through bolts, each of the friction circular plates 101 is disposed in the lower frame 1, two friction square plates 102 are slidably connected between the lower portions of the vertical shaft 2, which are disposed on the same side of the lower frame 1, each of the friction square plates 102 is disposed in the lower frame 1, the friction square plates 102 are disposed above the friction circular plate 101, openings 103 are disposed on the left and right sides of the lower frame 1, the two openings 103 are symmetrically disposed, the friction square plates 102 pass through the openings 103, and the two connecting springs 104 are connected between the lower frame 1 and each friction square plate 102 through hooks.

Firstly, after the worker pulls the handle 621 and the rack 62 to move, the friction square plate 102 is simultaneously stepped by the other two workers with feet to move downwards, the connecting spring 104 is stretched, the friction square plate 102 moves downwards to be in contact with the friction circular plate 101, and the friction circular plate 101 is downwards extruded, so that a large friction force is generated between the friction square plate 102 and the friction circular plate 101, the friction circular plate 101 can be locked, the vertical shaft 2 is further locked, the rotation of the vertical shaft 2 is avoided, the worker can loosen the handle 621 and vacate the hand to rotate the hole column 92 positioned on the upper frame 3, the height of the return frame 5 can be quickly adjusted by only needing a few people, time and labor are saved, and the device is suitable for the construction operation scene of a few people; after the height of the frame 5 is adjusted, the worker releases the square friction plate 102, the connecting spring 104 resets to drive the square friction plate 102 to reset upward, the square friction plate 102 resets upward to be out of contact with the circular friction plate 101, and the vertical shaft 2 and the circular friction plate 101 are unlocked.

Example 5: on the basis of embodiment 1, as shown in fig. 8 to 16, the slide type frame further includes a safety mechanism, the safety mechanism is disposed on the slide sleeve 4, the safety mechanism includes horizontal sliding rods 111, arc-shaped friction plates 112 and horizontal springs 113, the two slide sleeves 4 located in the middle of the frame 5 are both slidably connected with the horizontal sliding rods 111, the two horizontal sliding rods 111 are both in contact with the bearing frame 51, the two horizontal sliding rods 111 are both connected with the arc-shaped friction plates 112 through bolts, the horizontal springs 113 are connected between the slide sleeves 4 and the arc-shaped friction plates 112 through hooks, the horizontal springs 113 are sleeved on the horizontal sliding rods 111, and the oblique openings 114 are disposed on the left side and the right side of the middle of the bearing frame 51.

The device also comprises a bearing frame 12, wherein the bearing frame 12 is connected to the bottom of the bearing frame 51 through a bolt.

When a worker stands on the bearing frame 51, the bearing frame 51 can move downwards under the action of gravity, the bearing frame 51 moves downwards to extrude the two horizontal sliding rods 111 to move towards the direction away from each other, the horizontal sliding rods 111 move to drive the arc-shaped friction plate 112 to move, the horizontal spring 113 is stretched, the arc-shaped friction plate 112 moves to be in contact with the vertical shaft 2 and extrude the vertical shaft 2, the friction force between the sliding sleeve 4 and the vertical shaft 2 is increased, the loop-shaped frame 5 can be stably locked on the vertical shaft 2, the more people stand on the bearing frame 51, the greater the force of the bearing frame 51 extruding the horizontal sliding rods 111 is, the greater the force of the arc-shaped friction plate 112 extruding the vertical shaft 2 is, the greater the friction force between the sliding sleeve 4 and the vertical shaft 2 is, the loop-shaped frame 5 is firmly locked on the vertical shaft 2, the bearing frame 51 can support more people to support simultaneous operation, and when people stand on the bearing frame 51, the arc-shaped friction plate 112 can automatically lock the sliding sleeve 4, the loop-shaped frame 5 cannot be unlocked, the phenomenon that the worker is mistakenly locked by hands and the worker can fall off the safe frame 51 can be avoided; when no person stands on the bearing frame 51, the horizontal spring 113 resets to drive the horizontal sliding rod 111 and the arc-shaped friction plate 112 to reset together, the horizontal sliding rod 111 resets to push the bearing frame 51 to move upwards, and the arc-shaped friction plate 112 resets to be separated from the contact with the vertical shaft 2.

The bearing frame 12 further supports the bearing frame 51, so that the bearing frame 51 can bear larger weight.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. The utility model provides a scaffold frame convenient to adjust, its characterized in that, including lower frame (1), vertical axis (2), upper ledge (3), sliding sleeve (4), time type frame (5), bearing frame (51), actuating mechanism and chucking mechanism, the rotation type is connected with six vertical axes (2), six on lower frame (1) the rotary type is connected with upper ledge (3) between vertical axis (2), each it has sliding sleeve (4), six all to overlap on vertical axis (2) fixedly connected with time type frame (5) between sliding sleeve (4), bearing frame (51) slidingtype is connected on time type frame (5), actuating mechanism establishes on upper ledge (3), each all be equipped with chucking mechanism on sliding sleeve (4).

2. A scaffold convenient to adjust according to claim 1, characterized in that, actuating mechanism includes post gear (61), rack (62), handle (621), movable plate (63), stationary blade (64) and reset spring (65), each the top of vertical axis (2) all fixedly connected with post gear (61), each post gear (61) all is located upper frame (3), upper frame (3) internal sliding is connected with two rack (62), two rack (62) are the dislocation set, each post gear (61) all meshes with rack (62), each the equal rotary type of one end of rack (62) is connected with handle (621), each equal fixedly connected with two movable plate (63) on rack (62), fixedly connected with four stationary blade (64) on the inner wall of upper frame (3), be connected with reset spring (65) between movable plate (63) and stationary blade (64).

3. The scaffold convenient to adjust according to claim 2, wherein the clamping mechanism comprises clamping blocks (72) and clamping springs (73), two grooves (71) are formed in the inner side of each sliding sleeve (4), the two grooves (71) on the same sliding sleeve (4) are symmetrically arranged, each groove (71) is internally and slidably connected with a clamping block (72), each clamping spring (73) is connected between each clamping block (72) and the sliding sleeve (4), each vertical shaft (2) is provided with a plurality of clamping grooves (74), the two clamping grooves (74) form a group, and the clamping block (72) is clamped into one clamping groove (74).

4. The scaffold convenient to adjust according to claim 3, further comprising a guiding assembly, wherein the guiding assembly is arranged on the lower frame (1) and connected with the upper frame (3), the guiding assembly comprises a mounting plate (81) and six-edge sliding rods (82), two mounting plates (81) are fixedly connected to the top of the lower frame (1) and the bottom of the upper frame (3), two mounting plates (81) are a group, two six-edge sliding rods (82) are fixedly connected between the two mounting plates (81), the six-edge sliding rods (82) are of a hollow structure, each six-edge sliding rod (82) is fixedly connected with the lower frame (1) and the upper frame (3), and the swage frame (5) is slidably connected with the four six-edge sliding rods (82).

5. An adjustable scaffolding according to claim 4 further comprising an adjustment assembly, the upper frame (3) and the lower frame (1) are both provided with adjusting components, the adjusting components comprise a cross shaft (91), a hole column (92), a reel (93) and a steel wire rope (94), all the rotary type is connected with two cross shafts (91) on the upper frame (3) and the lower frame (1), two on the upper frame (3) the cross shafts (91) are symmetrically arranged, two on the lower frame (1) the cross shafts (91) are symmetrically arranged, each the cross shafts (91) are all connected with the hexagonal slide bars (82) in a rotary type, each the two ends of the cross shafts (91) are fixedly connected with hole columns (92), each the hole columns (92) are provided with vertical holes, each the cross shafts (91) are provided with two reels (93), each reel (93) passes through the hexagonal slide bars (82), each reel (93) is fixedly connected with a steel wire rope (94), and the steel wire ropes (94) are wound on the winding wheel (93), the other end of each steel wire rope (94) is fixedly connected with the clip frame (5), the four steel wire ropes (94) positioned at the upper part penetrate through the upper frame (3), and the four steel wire ropes (94) positioned at the lower part penetrate through the lower frame (1).

6. The scaffold convenient to adjust according to claim 5, further comprising a control mechanism, wherein the control mechanism is arranged on the vertical shaft (2), the control mechanism comprises friction circular plates (101), friction square plates (102) and connecting springs (104), the bottom ends of the vertical shaft (2) on the left side and the right side of the lower frame (1) are fixedly connected with the friction circular plates (101), each friction circular plate (101) is arranged in the lower frame (1), the two lower portions of the vertical shaft (2) on the same side of the lower frame (1) are connected with the friction square plates (102) in a sliding manner, each friction square plate (102) is arranged in the lower frame (1), the friction square plates (102) are arranged above the friction circular plates (101), the left side and the right side of the lower frame (1) are provided with openings (103), the two openings (103) are symmetrically arranged, the friction square plates (102) pass through the openings (103), and the two connecting springs (104) are connected between the lower frame (1) and each friction plate (102).

7. The scaffold convenient to adjust according to claim 6, further comprising a safety mechanism, wherein the safety mechanism is arranged on the sliding sleeve (4), the safety mechanism comprises a horizontal sliding rod (111), an arc-shaped friction plate (112) and a horizontal spring (113), the two sliding sleeves (4) positioned in the middle of the frame (5) are all slidably connected with the horizontal sliding rod (111), the two horizontal sliding rods (111) are all in contact with the bearing frame (51), the two horizontal sliding rods (111) are all fixedly connected with the arc-shaped friction plate (112), the horizontal spring (113) is connected between the sliding sleeve (4) and the arc-shaped friction plate (112), and the inclined openings (114) are formed in the left side and the right side of the middle of the bearing frame (51).

8. An adjustable scaffold according to claim 7 further comprising a load bearing frame (12), wherein the load bearing frame (12) is fixedly connected to the bottom of the load bearing frame (51).

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