CN217949691U

CN217949691U - Movable support frame

Info

Publication number: CN217949691U
Application number: CN202222242438.3U
Authority: CN
Inventors: 张海亮; 张奉超; 杨东雷; 杨志明; 程立胜; 张宏运; 蒋婷
Original assignee: China Railway First Engineering Group Co Ltd; Construction and Installation Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: China Railway First Engineering Group Co Ltd; Construction and Installation Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-02
Anticipated expiration: 2032-08-24

Abstract

The application relates to the technical field of support frames, in particular to a movable support frame which comprises a base, a plurality of pulleys, a fixing assembly and a support, wherein the pulleys are fixed on one side, close to the ground, of the base; the number of the fixing assemblies is at least two, each fixing assembly comprises a screw and a support plate, the screw is in threaded connection with the base, and one end, close to the ground, of the screw is connected with the support plate; the bracket is fixed on one side of the base, which is far away from the ground; bear the support frame through the backup pad wholly, improve the stability of support frame, provide safe for the personnel.

Description

Movable support frame

Technical Field

The application relates to the technical field of support frames, in particular to a movable support frame.

Background

The support frame is as the commonly used construction tool in constructor work, can set up suitable construction platform for constructor in the construction environment of difference, consequently according to actual demand, needs the position of adjustment support frame in a construction environment.

Among the correlation technique, install the truckle on the support frame, the truckle is the brake truckle of chooseing for use usually, and when needing to remove the support frame wholly, loosen the brake truckle, personnel alright in order to promote support frame moving as a whole, after removing required position with the support frame, fixed with the brake truckle, later carry out the buildding of platform on the support frame.

In view of the above-mentioned related art, the inventor believes that the stability of the support frame is not sufficiently maintained only by the self-braking of the caster, which easily causes the sliding of the support frame, resulting in an accidental injury to the constructor.

SUMMERY OF THE UTILITY MODEL

In order to stabilize the support frame in mounted position, protection personal safety, this application provides a portable support frame, adopts following technical scheme:

a movable support frame comprises a base, a plurality of pulleys, a fixing assembly and a support, wherein the pulleys are fixed on one side, close to the ground, of the base; the number of the fixing assemblies is at least two, each fixing assembly comprises a screw and a support plate, the screw is in threaded connection with the base, and one end, close to the ground, of the screw is connected with the support plate; the support is fixed on one side of the base, which is far away from the ground.

By adopting the technical scheme, after the personnel push the support frame to integrally move to the required position, the personnel sequentially rotate the screw rods, the screw rods drive the support plates to move towards the ground, after the support plates are contacted with the ground, the screw rods are continuously rotated until the pulleys are separated from the ground, and at the moment, the support frame is integrally fixed on the ground; bear the whole weight of support frame by the backup pad, compare in the mode of truckle, it can not take place to roll along ground, therefore the steadiness compares in correlation technique and increases to some extent to when personnel are climbing or are doing business on standing on the support frame, the support frame of higher stability provides safer operation environment for the personnel.

When the overall height of the support frame is not enough, the distance between the base and the ground can be adjusted by rotating the screw rod, and then the overall height of the support frame is adjusted.

Optionally, the support further comprises a first raising member, and the first raising member is rotatably connected to one end of the support far away from the base.

By adopting the technical scheme, the integral height of the support frame is increased by adding the first heightening piece; through first heightening piece and support rotation connection, when meetting the passageway that highly hangs down, with first heightening piece upset get off, reduce the overall height of support frame to this passes through the passageway smoothly.

Optionally, two rotation grooves are formed in one end, away from the ground, of the support, two hinged lugs are fixed on the first heightening piece, each hinged lug is located in one rotation groove, and the first heightening piece is connected with the support in a rotating mode.

Through adopting above-mentioned technical scheme, the cell wall in rotation groove carries on spacingly to articulated auricle, is favorable to first heightening piece stability on the support.

Optionally, the first lifting piece is fixed on the bracket by a fixing piece.

Through adopting above-mentioned technical scheme, when first heightening piece overturned the support top, be fixed in the support through the mounting with first heightening on, avoid first heightening the unexpected upset of piece, influence the stability of support frame.

Optionally, still include a plurality of second with high pieces, the second with high piece with first with high piece is kept away from the support one side can dismantle the connection, and is a plurality of the connection can be dismantled to the second with high piece.

By adopting the technical scheme, the second heightening part is arranged on the first heightening part to increase the overall height of the support frame; through the stack installation of a plurality of second heightening pieces, the overall height of the support frame is increased.

Optionally, the lifting device further comprises a lifting assembly, the lifting assembly comprises a first slide rail, a second slide rail, a third slide rail and a plurality of slide blocks, the first slide rail is fixed on one vertical side of the support, one side of the first heightening piece is fixed with the second slide rail, one side of the second heightening piece is fixed with the third slide rail, and the first slide rail, the second slide rail and the third slide rail are communicated;

one side of the second heightening piece, which is far away from the third slide rail, is fixed with one slide block, and the slide block slides along the first slide rail, the second slide rail and the third slide rail.

Through adopting above-mentioned technical scheme, the slider is along first slide rail, second slide rail and the vertical slip in-process of third slide rail, and the slide rail has played the effect of direction to the slip of slider, avoids the second to increase the in-process skew of piece at the slip.

Optionally, the lifting device further comprises a lifting machine, the lifting machine is mounted on the base, and the lifting machine pulls the second lifting piece to move upwards.

Through adopting above-mentioned technical scheme, ground personnel carry the eminence with the second piece that raises through the lifting machine, reduce personnel's work load.

Optionally, the first slide rail is a guide rail with a T-shaped groove formed in one side, a mounting groove for mounting the slider is formed in the first slide rail, and the mounting groove is communicated with the T-shaped groove formed in the first slide rail.

Through adopting above-mentioned technical scheme, ground personnel insert the slider in first slide rail from first slide rail bottom, slide again in first slide rail, ground personnel just transport the second with the high-order through the lifting machine.

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

1. the stability of the sliding support piece is improved through the fixing component, and the safety of the movable support frame is improved;

2. the designed movable support frame is convenient to move through certain height-limited channels through the overturning structure of the first heightening part;

3. the portable support frame of design reduces personnel's work load through the lifting means, improves work efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment 1 of a movable support frame of the present application;

FIG. 2 is a schematic view of the overall structure of an embodiment 2 of the movable support frame of the present application;

FIG. 3 is a schematic view of a first perspective of an embodiment 2 of the mobile support of the present application;

fig. 4 is a schematic structural view of the slider, the third slide rail and the second heightening member.

Reference numerals: 1. a base; 2. a pulley; 3. a fixing assembly; 31. a screw; 32. a support plate; 4. a support; 41. a vertical rod; 411. a rotating groove; 42. a connecting rod; 5. a first elevated member; 51. a hinged tab; 52. a bolt; 6. a fixing member; 61. fastening a bolt; 62. a nut; 7. a second elevated member; 71. hanging holes; 8. a lifting assembly; 81. a first slide rail; 811. mounting grooves; 82. a second slide rail; 83. a third slide rail; 84. a slider; 85. a hoist; 851. a support; 852. a rotating wheel; 853. pulling a rope; 854. and (4) hanging hooks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a movable support frame.

Example 1

Referring to fig. 1, a movable support frame includes a base 1, pulleys 2, a fixing assembly 3, a bracket 4, a first heightening member 5 and a fixing member 6, wherein the base 1 is a horizontally placed square frame, and in this embodiment, four pulleys 2 are provided; each pulley 2 all installs in base 1 bottom surface through the screw, and each pulley 2 is located an edge department of base 1, and pulley 2 is universal brake wheel in this embodiment.

Referring to fig. 1, in the present embodiment, four sets of fixing assemblies 3 are provided, one fixing assembly 3 is provided at each of four corners of a base 1, each fixing assembly 3 includes a screw 31 and a support plate 32, the screw 31 vertically penetrates through the base 1 and is in threaded connection with the base 1, one end of the screw 31 close to the ground is rotatably connected with the support plate 32, and the length of the screw 31 is greater than the height of the pulley 2.

Referring to fig. 1, the bracket 4 includes four vertical bars 41 and a plurality of connecting rods 42, the four vertical bars 41 are distributed in a matrix manner in the horizontal direction, two adjacent vertical bars 41 are connected by at least one connecting rod 42, two ends of each connecting rod 42 are welded to one vertical bar 41, and the bottom ends of the vertical bars 41 are fixed to the base 1 by bolts.

Referring to fig. 1, two vertical rods 41 of the four vertical rods 41 are respectively provided with a rotating slot 411, the two rotating slots 411 are parallel to each other, and the two vertical rods 41 provided with the rotating slots 411 are located on the same side of the bracket 4; the first heightening piece 5 is of a frame structure, two hinged lugs 51 are welded at the bottom end of the first heightening piece 5, each hinged lug 51 is respectively inserted into one rotating groove 411, a bolt 52 penetrates through the vertical rod 41 and the hinged lugs 51, the vertical rod 41 and the hinged lugs 51 are fixed through the bolt 52, and the first heightening piece 5 rotates by taking the bolt 52 as a rotating shaft.

Referring to fig. 1, the fixing member 6 includes a fastening bolt 61 and a nut 62, the fastening bolt 61 is located on a side of the first heightening member 5 away from the lug, and the fastening bolt 61 is threaded with the nut 62 after passing through the first heightening member 5 and the connecting rod 42 in the bracket 4 in sequence.

The implementation principle of the embodiment 1 is that after a person integrally pushes the movable support 4 to a required supporting position, the person tramples a brake pad of the pulley 2 to fix the pulley 2, then sequentially rotates the four screws 31, the support plate 32 moves up and down along with the screws 31, when the support plate 32 abuts against the ground, the screws 31 continue to rotate, the screws 31 drive the base 1 to move upwards, so that the pulley 2 is separated from the ground, and when the pulley 2 is separated from the ground, the base 1 is supported on the ground through the fixing assembly 3; when the height of the base 1 needs to be adjusted, the screw 31 is screwed, so that the base 1 can be driven to move up and down, and the overall height of the movable support 4 is adjusted.

When the support height of the bracket 4 is insufficient, the hinge lug 51 of the first heightening piece 5 is inserted into the rotating groove 411 at the top end of the vertical rod 41 and then fixed through the bolt 52; the first heightening member 5 is fixed to the bracket 4 by fixing the first heightening member 5 to the bracket 4 via the fixing member 6.

In the whole movement of the support frame after the personnel promote the installation of first heightening piece 5, when the passageway height is not enough to let the support frame wholly pass through, remove mounting 6, overturn first heightening piece 5 around bolt 52, then promote the whole through passageway of support frame.

Example 2

The difference between the embodiment and the embodiment 1 is that, referring to fig. 1 and fig. 2, the movable support frame further includes a plurality of second heightening members 7 and a lifting assembly 8, the second heightening members 7 are of a frame structure, in a splicing state, the plurality of second heightening members 7 are sequentially distributed in the vertical direction, the upper and lower second heightening members 7 are detachably connected, and the bottom end of the second heightening member 7 located at the bottommost end is fixed to the top end of the first heightening member 5 through a bolt.

Referring to fig. 2 and 3, the lifting assembly 8 includes a first slide rail 81, a second slide rail 82, a third slide rail 83, a slider 84 and a lifter 85, where the first slide rail 81, the second slide rail 82 and the third slide rail 83 are guide rails each having a T-shaped groove on one side, and the cross-sectional areas of the first slide rail 81, the second slide rail 82 and the third slide rail 83 are the same.

Referring to fig. 1 and 2, the first slide rail 81 is welded to a vertical side of the bracket 4 away from the rotating groove 411, and the first slide rail 81 is perpendicular to the base 1; the second slide rail 82 is welded on one side of the first heightening piece 5, and when the first heightening piece 5 is fixed on the bracket 4, the first slide rail 81 is communicated with the T-shaped groove in the second slide rail 82; the third slide rail 83 is welded on one side of the second heightening piece 7, and when the second heightening piece 7 is fixed at the top end of the first heightening piece 5, the third slide rail 83 is communicated with the T-shaped groove in the second slide rail 82; the side of the second heightening part 7 far from the third slide rail 83 is welded with a slide block 84, the length direction of the slide block 84 is perpendicular to the base 1, and the slide block 84 is matched with the first slide rail 81, the second slide rail 82 and the third slide rail 83.

Referring to fig. 2 and 3, an installation groove 811 is formed at one end of the first sliding rail 81 close to the base 1, and the installation groove 811 is used for inserting the sliding block 84 along a length direction perpendicular to the first sliding rail 81.

Referring to 2, lifting machine 85 is fixed in the one side of keeping away from first slide rail 81 through the bolt fastening in base 1 upper surface, and lifting machine 85 includes support 851, runner 852, stay cord 853 and couple 854, and support 851 is fixed in on base 1 through the bolt fastening, and runner 852 rotates with support 851 and is connected, and the welding has the rotation handle on runner 852, and stay cord 853 one end is tied up on runner 852 admittedly, and the other end is tied up on couple 854.

Referring to fig. 2 and 4, a hanging hole 71 is formed at the upper end of the second elevating member 7, and the hook 854 penetrates through the hanging hole 71.

The implementation principle of this application embodiment a portable support frame does: when the height of the support frame is insufficient, a person can fix the second heightening part 7 on the top end of the first heightening part 5 through a bolt so as to increase the height of the support frame, and when the height is still lower, another second heightening part 7 is sequentially stacked on the fixed second heightening part 7 to the required height.

In order to reduce the labor force of the personnel for carrying upwards, firstly, the sliding block 84 of the second heightening member 7 is horizontally inserted into the mounting groove 811, then the pull rope 853 is pulled out of the rotating wheel 852 to be lapped on the first heightening member 5, after the first heightening member 5 is wound, the hook 854 is hung in the hanging hole 71, the personnel standing on the ground rotates the rotating wheel 852 through the handle, the pull rope 853 is wound on the rotating wheel 852, the pull rope 853 drives the second heightening member 7 to ascend to the top end of the first heightening member 5 along the first sliding rail 81 and the second sliding rail 82, and then the personnel standing on the high position pushes the second heightening member 7 to the first heightening member 5 and then fixes the second heightening member 7 and the first heightening member 5 by using bolts;

when another second heightening piece 7 needs to be continuously installed, the pulling rope 853 is lapped on the top end of the fixed second heightening piece 7, after the pulling rope 853 bypasses the top end of the second heightening piece 7, the hook 854 is then hooked with the other second heightening piece 7, a person standing on the ground rotates the rotating wheel 852, the pulling rope 853 is wound on the rotating wheel 852, the pulling rope 853 drives the second heightening piece 7 to ascend to the top end of the fixed second heightening piece 7 along the first sliding rail 81, the second sliding rail 82 and the third sliding rail 83, the person standing on the height pushes the second heightening piece 7 to the upper end of the fixed second heightening piece 7, and then the two second heightening pieces 7 are fixed by bolts, so that the labor force of the person for carrying the second heightening piece 7 is reduced, and the needed second heightening pieces 7 are sequentially and repeatedly installed.

Meanwhile, the second heightening part 7 can also play a role in conveying goods, when a person stands higher, the person standing on the ground places the needed goods on the second heightening part 7, then rotates the rotating wheel 852, and the pull rope 853 drives the second heightening part 7 to slide upwards along the first sliding rail 81, the second sliding rail 82 and the third sliding rail 83 so as to convey the goods to the higher position.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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. The movable support frame is characterized by comprising a base (1), a plurality of pulleys (2), a fixing assembly (3) and a support (4), wherein the pulleys (2) are fixed on one side, close to the ground, of the base (1);

at least two fixing assemblies (3) are arranged, each fixing assembly (3) comprises a screw (31) and a supporting plate (32), the screw (31) is in threaded connection with the base (1), and one end, close to the ground, of the screw (31) is connected with the supporting plate (32);

the support (4) is fixed on one side, far away from the ground, of the base (1).

2. A mobile support as claimed in claim 1, further comprising a first elevation member (5), said first elevation member (5) being pivotally connected to an end of said frame (4) remote from said base (1).

3. A movable support according to claim 2, characterized in that the end of the support (4) remote from the ground is provided with two rotation slots (411), the first raising member (5) is fixed with two hinged tabs (51), each hinged tab (51) is located in one of the rotation slots (411), and the first raising member (5) is rotatably connected along the support (4).

4. A mobile support stand according to claim 3, further comprising a fixing member (6), said fixing member (6) fixing said first elevation member (5) to said support frame (4).

5. A mobile support according to claim 3, further comprising a plurality of second raised members (7), said second raised members (7) being removably attached to the side of said first raised member (5) remote from said support (4), a plurality of said second raised members (7) being removably attached.

6. The movable support frame according to claim 5, further comprising a lifting assembly (8), wherein the lifting assembly (8) comprises a first slide rail (81), a second slide rail (82), a third slide rail (83) and a plurality of slide blocks (84), the first slide rail (81) is fixed on one vertical side of the support (4), one second slide rail (82) is fixed on one side of the first heightening member (5), the third slide rail (83) is fixed on one side of the second heightening member (7), and the first slide rail (81), the second slide rail (82) and the third slide rail (83) are communicated;

one side of the second heightening piece (7) far away from the third slide rail (83) is fixed with the slide block (84), and the slide block (84) slides along the first slide rail (81), the second slide rail (82) and the third slide rail (83).

7. A mobile support stand according to claim 6 further comprising a lifter (85), said lifter (85) being mounted on said base (1), said lifter (85) pulling said second riser (7) upward.

8. The movable support frame according to claim 7, wherein the first slide rail (81) is a guide rail with a T-shaped groove formed in one side, a mounting groove (811) for mounting the slide block (84) is formed in the first slide rail (81), and the mounting groove (811) is communicated with the T-shaped groove formed in the first slide rail (81).