CN214144609U

CN214144609U - Lifting scaffold

Info

Publication number: CN214144609U
Application number: CN202022032123.7U
Authority: CN
Inventors: 成四军; 刘一樑; 赵松松
Original assignee: Shanghai Hongjian Construction Engineering Co ltd
Current assignee: Shanghai Hongjian Construction Engineering Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-09-07
Anticipated expiration: 2030-09-16

Abstract

The application relates to a lifting scaffold, which comprises a support column, a support ring arranged at one end of the support column, a threaded rod arranged in the support column in a sliding manner, a turntable in threaded connection with the threaded rod, and a bearing platform arranged at one end, far away from the support column, of the threaded rod; the lower surface of the turntable is attached to the support ring, when the turntable is rotated, the threaded rod can move axially to drive the bearing table to lift, a clamping piece is hinged to the side surface of the support ring, a clamping groove is formed in the side surface of the turntable along the circumferential direction, and one end, far away from the support ring, of the clamping piece is clamped in the clamping groove and can slide relative to the clamping groove; still be equipped with the spring between joint spare and the support ring, the one end and the joint spare fixed connection of spring, the other end and support ring fixed connection, the spring is in tensile state all the time. This application has the effect of the height that can adjust the scaffold frame in order to adapt to different projects.

Description

Lifting scaffold

Technical Field

The application relates to the technical field of scaffolds, in particular to a lifting scaffold.

Background

The scaffold is a working platform which is built for ensuring the smooth construction process of the building, is used for the external wall of the building, the internal construction or the place where the floor height is too high and the direct construction cannot be carried out, and provides a construction platform which can be operated up and down for constructors; however, in the construction process, because the frame height of the scaffold is fixed, the requirements of different construction height positions are difficult to meet, and the limitation is too large.

SUMMERY OF THE UTILITY MODEL

In order to improve the unable height-adjusting's of scaffold defect, this application provides a lifting scaffold.

The application provides a lifting scaffold adopts following technical scheme:

a lifting scaffold comprises a supporting column, a supporting ring arranged at one end of the supporting column, a threaded rod arranged in the supporting column in a sliding manner, a rotary table in threaded connection with the threaded rod, and a bearing table arranged at one end, far away from the supporting column, of the threaded rod; the lower surface of carousel and the laminating of support ring rotate during the carousel, threaded rod can follow its axial motion to the drive the plummer goes up and down.

By adopting the technical scheme, the threaded rod is connected in the support column in a sliding manner, one end of the threaded rod is always positioned outside the support column and is fixedly connected to the lower surface of the bearing table; the threaded rod can realize the purpose of moving up and down along the axial direction of the threaded rod by rotating the turntable, so that the effect of driving the bearing platform to lift is achieved, and the scaffold has a telescopic function.

Optionally, a clamping piece is hinged to the side surface of the support ring, a clamping groove is formed in the side surface of the turntable along the circumferential direction, and one end, far away from the support ring, of the clamping piece is clamped in the clamping groove and can slide relative to the clamping groove; still be equipped with the spring between joint spare and the support ring, the one end and the joint spare fixed connection of spring, the other end and support ring fixed connection, the spring is in tensile state all the time.

By adopting the technical scheme, one end of the clamping piece is hinged to the support ring, and the other end of the clamping piece is clamped in the clamping groove of the turntable to limit the axial displacement of the turntable; spring one end is connected at joint spare middle part, and other end fixed connection is at the support ring, and the spring is in tensile state all the time, can make joint spare block all the time in the draw-in groove.

Optionally, one end of the clamping piece, which is far away from the hinged shaft of the clamping piece, is rotatably provided with a roller, and the roller abuts against the inside of the clamping groove.

Through adopting above-mentioned technical scheme, keep away from its articulated shaft one end at joint spare and rotate and set up the gyro wheel, the gyro wheel can turn into rolling friction with the sliding friction of joint spare and draw-in groove, reduces the friction loss of joint spare and carousel, increase of service life.

Optionally, a rotating rod is arranged on the side surface of the turntable.

Through adopting above-mentioned technical scheme, the dwang setting has the effect of the extension arm of force at the carousel side surface, and under the same condition of turning moment, the required power of the carousel that rotates can be less than required power when not setting up the dwang, saves user's physical power.

Optionally, a limiting groove is formed in the side surface of the supporting column, a clamping piece is arranged at the bottom end of the threaded rod, and the clamping piece penetrates through the limiting groove and can slide along the limiting groove.

Through adopting above-mentioned technical scheme, the fastener passes the spacing groove, slides in the spacing groove, and the length of spacing groove is the scope of fastener motion promptly, also is the motion range of threaded rod, through spacing groove restriction fastener motion range, can restrict the lift length of threaded rod, prevents that the threaded rod lifting is too high, leads to threaded rod and support column to be connected unstablely.

Optionally, the clip is in threaded connection with the threaded rod.

Through adopting above-mentioned technical scheme, fastener threaded connection is on the threaded rod, and the person of facilitating the use dismantles the fastener.

Optionally, a groove is axially formed in the side surface of the threaded rod, and scales are arranged in the groove.

Through adopting above-mentioned technical scheme, be carved with the scale in the recess of seting up on the threaded rod, convenience of customers reads the lifting height, and the lifting height that makes the multiunit threaded rod through the adjustment reading is the same, guarantees that the plummer can steadily rise and be on a parallel with ground.

Optionally, the bottom end of the supporting column is provided with a universal wheel; the support column lower extreme vertical connection has the fixed plate, threaded connection has the bracing piece on the fixed plate, the bracing piece is on a parallel with the support column.

Through adopting above-mentioned technical scheme, the universal wheel can improve the mobility of scaffold frame, and bracing piece threaded connection can make the bracing piece butt on the bottom surface on the fixed plate simultaneously to the position of fixed stay post for ground.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the turntable is rotated, the threaded rod can move along the axial direction of the turntable, so that the bearing platform is driven to lift, and the overall height of the scaffold is changed;

2. threaded rod fixed connection's fastener slides in the spacing groove on the support column, can restrict the lifting range of threaded rod, prevents that the threaded rod lifting from too high leading to the threaded rod to deviate from the support column.

Drawings

Fig. 1 is a schematic structural diagram of an overall lifting scaffold according to an embodiment of the present application.

Fig. 2 is a schematic structural view showing the connection relationship between the supporting column and the threaded rod in fig. 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a support pillar; 11. a limiting groove; 12. a universal wheel; 13. a fixing plate; 14. a support bar; 2. a support ring; 21. a clamping piece; 211. a spring; 212. a roller; 3. a threaded rod; 31. a fastener; 32. a groove; 4. a turntable; 41. a card slot; 42. rotating the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a lifting scaffold. Referring to fig. 1, the telescopic scaffold comprises a load-bearing platform 5 and a plurality of sets of support structures, each set of support structures comprising a support column 1, a support ring 2, a threaded rod 3 and a turntable 4. Support ring 2 fixed connection has seted up the blind hole in the upper end of support column 1, one side surface of support ring 2 and the terminal surface parallel and level of support column 1 on the terminal surface of a side of support column 1, and threaded rod 3 inserts and establishes in the blind hole, and one end stretches out outside the blind hole, can slide along 1 axis direction of support column.

The rotary table 4 is in threaded connection with the threaded rod 3, and the bearing table 5 is fixedly connected to the upper end of the threaded rod 3; under the action of the self weight of the threaded rod 3 and the gravity of the bearing table 5, one side surface of the turntable 4 is attached to the support ring 2; when the rotary disc 4 is rotated, the rotary disc 4 only rotates around the axis thereof, so that the threaded rod 3 moves linearly along the direction of the axis thereof; in order to enhance the stability of the overall structure of the scaffold, four sets of support structures can be fixedly connected to the lower surface of the bearing table 5 for supporting.

Referring to fig. 1 and 2, the support pillar 1 is a cylindrical structure with a hollow interior, and the bottom end of the support pillar 1 is fixedly connected with a universal wheel 12, so that the scaffold can be conveniently moved; three fixed plates 13 of lower extreme fixedly connected with of support column 1 side surface, three fixed plates 13 along the circumference evenly distributed of support column 1's side surface, threaded connection has the bracing piece 14 on the fixed plate 13, and the axis of bracing piece 14 is on a parallel with the axis of support column 1, and the bracing piece 14 is rotated, can make the bracing piece 14 butt subaerial, the position of fixed stay column 1.

The lower end of the threaded rod 3 is connected with a clamping piece 31 along the radial direction of the threaded rod 3, and the clamping piece 31 is in threaded connection with the threaded rod 3; a limiting groove 11 is formed in the side surface of the supporting column 1, and the limiting groove 11 is arranged along the axial direction of the supporting column 1; the clamping piece 31 penetrates through the limiting groove 11 and can slide along the limiting groove 11 to limit the lifting range of the threaded rod 3; the side surface of the threaded rod 3 is provided with a groove 32, and the bottom surface of the groove 32 is provided with scales, so that a user can conveniently observe the lifting height of the threaded rod 3.

Referring to fig. 1 and 3, two sets of clamping pieces 21 are hinged to the side surface of the support ring 2, and a clamping groove 41 is formed in the side surface of the turntable 4; the joint 21 is an arc-shaped rod, one end of the joint 21 is hinged to the lower end of the side surface of the support ring 2, and one end, away from the hinged shaft, of the joint 21 is clamped in the clamping groove 41 and can slide relative to the turntable 4.

Fixedly connected with spring 211 on joint 21, the middle part at joint 21 is connected to the one end of spring 211, the other end is connected on the side surface of support ring 2, spring 211 is in tensile state all the time, the one end that makes joint 21 keep away from its articulated shaft all the time with the bottom surface butt of draw-in groove 41, and exert the backpressure to the bottom surface of draw-in groove 41, prevent that joint 21 from coming off in draw-in groove 41, make carousel 4 laminate with support ring 2 all the time, thereby prevent that carousel 4 from following its axial displacement.

One end of the clamping piece 21, which is far away from the hinge shaft, is rotatably connected with the roller 212, the axis of the roller 212 is parallel to the axis of the support ring 2, the outer peripheral surface of the roller 212 is abutted to the bottom surface of the clamping groove 41, sliding friction between one end of the clamping piece 21 and the bottom surface of the clamping groove 41 is converted into rolling friction, friction loss between the clamping piece 21 and the turntable 4 is reduced, and the service life of the clamping piece 21 and the turntable 4 is prolonged.

The implementation principle of the lifting scaffold in the embodiment of the application is as follows: placing the scaffold at a working position, rotating the support rod 14 at the lower end of the support column 1 to fix the support column 1 on the ground, pushing the rotating rod 42 to rotate the turntable 4, enabling the threaded rod 3 to move along the axial direction of the threaded rod 3 under the interaction of the threads, reading the scales in the groove 32 on the threaded rod 3, adjusting the turntable 4 to enable the lifting heights of the four groups of support structures to be the same, and enabling the bearing table 5 arranged at the upper end of the threaded rod 3 to be parallel to the ground; the fastener 31 that the lower extreme of threaded rod 3 is connected slides in spacing groove 11, and the up-down moving range of restriction threaded rod 3 prevents that threaded rod 3 from lifting too high and deviating from support column 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A lifting scaffold, its characterized in that: the device comprises a support column (1), a support ring (2) arranged at one end of the support column (1), a threaded rod (3) arranged in the support column (1) in a sliding manner, a rotary disc (4) in threaded connection with the threaded rod (3), and a bearing table (5) arranged at one end, far away from the support column (1), of the threaded rod (3); the lower surface of carousel (4) and support ring (2) laminating rotate during carousel (4), threaded rod (3) can be followed its axial motion to the drive plummer (5) goes up and down.

2. The elevating scaffold as claimed in claim 1, wherein: a clamping piece (21) is hinged to the side surface of the support ring (2), a clamping groove (41) is formed in the side surface of the turntable (4) along the circumferential direction, and one end, far away from the support ring (2), of the clamping piece (21) is clamped in the clamping groove (41) and can slide relative to the clamping groove (41);

still be equipped with spring (211) between joint spare (21) and support ring (2), the one end and joint spare (21) fixed connection of spring (211), the other end and support ring (2) fixed connection, spring (211) are in tensile state all the time.

3. A lifting scaffold according to claim 2, wherein: one end, far away from the hinged shaft, of the clamping piece (21) is rotatably provided with a roller (212), and the roller (212) abuts against the clamping groove (41).

4. The elevating scaffold as claimed in claim 1, wherein: and a rotating rod (42) is arranged on the side surface of the rotary disc (4).

5. The elevating scaffold as claimed in claim 1, wherein: the side surface of the support column (1) is provided with a limiting groove (11), the bottom end of the threaded rod (3) is provided with a clamping piece (31), and the clamping piece (31) penetrates through the limiting groove (11) and can slide along the limiting groove (11).

6. The elevating scaffold as claimed in claim 5, wherein: the clamping piece (31) is in threaded connection with the threaded rod (3).

7. The elevating scaffold as claimed in claim 1, wherein: a groove (32) is formed in the side surface of the threaded rod (3) in parallel to the axial direction of the threaded rod, and scales are arranged in the groove (32).

8. The elevating scaffold as claimed in claim 1, wherein: the bottom end of the supporting column (1) is provided with a universal wheel (12); the support column is characterized in that the lower end of the support column (1) is vertically connected with a fixing plate (13), the fixing plate (13) is connected with a support rod (14) in a threaded mode, and the support rod (14) is parallel to the support column (1).