CN219449223U

CN219449223U - Lifting bracket convenient to stably support

Info

Publication number: CN219449223U
Application number: CN202320775299.2U
Authority: CN
Inventors: 王海
Original assignee: Jiayuguan Hongsheng Electric Heating Co ltd
Current assignee: Jiayuguan Hongsheng Electric Heating Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-01
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of maintenance lifting brackets, in particular to a lifting bracket convenient for stable support, which comprises a stable support component, wherein the stable support component comprises a rotary support frame and a threaded connecting shaft II, the lower end of the threaded connecting shaft is connected with a bevel gear I, one end of the threaded connecting shaft II, which is close to the threaded connecting shaft I, is connected with a bevel gear II, the bevel gear I is meshed with the bevel gear II, the threaded connecting shaft II is slidingly connected with a movable block, the upper end of the rotary support frame is rotationally connected to a bracket arm of the bracket, the rotary support frame is slidingly and rotationally connected to the movable block, the rotary support frame rotates to support one side of the bracket, which is far away from a mounting frame, the bracket can stably support parts from two side positions when the bracket overhauls, and the stability during integral lifting is improved; the angle of the rotary support frame changes when the bracket moves up and down, so that the bracket can be supported in the whole moving process, and the applicability is stronger.

Description

Lifting bracket convenient to stably support

Technical Field

The utility model relates to the technical field of maintenance lifting brackets, in particular to a lifting bracket convenient for stable support.

Background

Equipment maintenance is an important component in enterprise production, has great influence on the safety and economy of enterprise production, and often needs manpower to carry spare parts when maintenance operation is carried out in places where crown blocks or forklift trucks cannot be used due to limited space, so that labor is wasted, potential safety hazards exist, and a lifting bracket convenient to stably support is needed to be used.

The utility model provides a patent name of prior art patent number 2021204951092 is a lifting bracket for power plant overhauls utility model patent discloses a lifting bracket for power plant overhauls, through setting up lifting bracket main part, can be simple and convenient with waiting to overhaul equipment lifting, through setting up supporting component, can carry out stable support to waiting to overhaul equipment after the lifting, avoid dropping at the in-process equipment that overhauls.

In the prior art, when the support plate is maintained, one side of the support plate is connected with the threaded screw rod through the lifting plate, the support assembly at the bottom of the other side of the support plate can rotate downwards after the support plate rises, and the other side of the support plate can be supported by the threaded column after the support plate is lifted, so that only one side of the support plate is fixedly supported in the whole upward supporting process, and the whole lifting support stability is insufficient; in addition, because the threaded sleeve and the threaded column have certain height, the supporting component can play a supporting role after the supporting plate is lifted by a certain height, and certain limitation exists in use.

Disclosure of Invention

The utility model aims to provide a lifting bracket convenient for stable support, which is more stable in the lifting process and can effectively carry out stable support in the whole lifting process.

The utility model discloses a lifting bracket convenient for stable support, which comprises a support base, wherein the rear part of the top surface of the support base is fixedly connected with a mounting frame, a lifting mechanism is arranged on the support base and comprises a first threaded connecting shaft and a bracket, the mounting frame is provided with a sliding groove, one end of the second threaded connecting shaft, which is close to the first threaded connecting shaft, is rotationally connected in the sliding groove of the mounting frame, the rear part of the bracket is slidably connected on the mounting frame, a sliding block is arranged at the rear part of the bracket and is slidably connected in the sliding groove of the mounting frame, a screw hole is arranged on the sliding block, the screw hole is slidably connected on the first threaded connecting shaft, the front part of the bracket is parallelly extended out of two supporting arms, the lifting bracket further comprises a stable support assembly, the stable support assembly comprises a rotary support frame and a second threaded connecting shaft, the top surface of the support base is provided with the sliding groove, the second threaded connecting shaft is rotationally connected in the sliding groove of the support base, one end of the first threaded connecting shaft is connected with a bevel gear, one end of the second threaded connecting shaft, which is close to the first threaded connecting shaft is rotationally connected with the second bevel gear, the second threaded connecting shaft is slidably connected with a movable block, the movable block is arranged on the movable block, the screw hole is slidably connected on the second threaded connecting shaft, the movable block is slidingly connected in the sliding groove of the support frame, the upper end of the rotary support frame is rotationally connected on the supporting arm, and is rotationally connected on the movable support frame.

Further, the rotary support frame include side branch strip and end branch strip, the side branch strip is equipped with two, two side branch strips and end branch strip constitute the U-shaped, the one end that end branch strip was kept away from to two side branch strips rotates respectively and connects two bracket front ends at the bracket, fixedly connected with connecting block on the end branch strip, the connecting block rotates to be connected on the movable block.

Further, the movable block top surface on be equipped with the mounting groove, the connecting block rotates and connects in the mounting groove, is equipped with through-hole II on the connecting block, all is connected with the screw shaft on the mounting groove both sides wall, two screw shaft front ends peg graft respectively at the both ends of through-hole II, all are equipped with the screw of connecting the screw shaft on the mounting groove both sides wall.

Further, the one end that two side branch strips kept away from end branch strip all be equipped with through-hole I, two bracket arms of bracket on all be connected with the pivot, the pivot is pegged graft in through-hole I.

Further, the two side walls of the mounting frame are both in sliding connection with the stabilizing frames, and the two stabilizing frames are fixedly connected with the bracket.

Further, the upper end of the threaded connecting shaft is connected with a servo motor, the servo motor is connected to the top of the mounting frame, and an output shaft of the servo motor penetrates through the mounting frame to be connected with the upper end of the threaded connecting shaft.

Furthermore, the bottom surface of the supporting base is provided with a plurality of casters.

Further, one side of the support base away from the mounting frame is provided with a plurality of mounting screw holes, and threaded positioning columns are connected in the plurality of mounting screw holes.

Further, the bottom of the threaded positioning column is fixedly connected with a weighting block, and the weighting block is arranged below the supporting base.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the stabilizing assembly is arranged, the first threaded connecting shaft and the bracket are utilized to lift the part to be maintained during equipment maintenance, the bracket moves upwards to drive the rotary support frame to rotate downwards, the rotary support frame can be hinged with the movable block through the connecting assembly, when the first threaded connecting shaft rotates, the bevel gear I and the bevel gear II are driven to be meshed with each other, the second threaded connecting shaft is driven to rotate, when the second threaded connecting shaft rotates, the movable block is driven to move, the rotary support frame is driven to rotate to support one side of the bracket away from the mounting frame, the bracket can stably support the part from two side positions during maintenance, and the stability during integral lifting is improved.

2. According to the utility model, the angle of the rotary support frame changes when the bracket moves up and down, so that the bracket can be supported in the whole moving process, and the applicability is stronger.

3. Be equipped with the truckle and stop so that the device removes, screw thread reference column and weight can improve whole positioning stability when utilizing the device to overhaul.

4. The utility model is provided with a stabilizing frame to increase the stability of the bracket when sliding up and down.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A of FIG. 1;

FIG. 3 is a schematic view of the structure of the first and second threaded connection shafts according to the present utility model;

FIG. 4 is a cross-sectional view of the swivel support bracket of the present utility model as diagonally supported;

FIG. 5 is a cross-sectional view of the swivel support bracket of the present utility model when vertically supported;

fig. 6 is a schematic structural view of a rotating support frame according to the present utility model.

In the figure: 1. a support base; 2. casters; 3. a mounting frame; 4. the first threaded connection shaft is connected with the first threaded connection shaft; 5. a bracket; 6. rotating the support frame; 601. a side branch strip; 602. a bottom support strip; 603. a through hole I; 7. a stabilizing frame; 8. a threaded positioning column; 9. weighting blocks; 10. a connecting block; 1001. a through hole II; 11. a second threaded connection shaft; 12. a movable block; 13. a mounting groove; 14. a threaded shaft; 15. bevel gears I; 16. and a bevel gear II.

Detailed Description

As shown in fig. 1-6, the lifting bracket convenient for stable support comprises a support base 1, wherein an installation frame 3 is fixedly connected to the rear part of the top surface of the support base 1, a lifting mechanism is arranged on the support base 1, the lifting mechanism comprises a first threaded connecting shaft 4 and a bracket 5, a sliding groove is formed in the installation frame 3, the first threaded connecting shaft 4 is rotatably connected in the sliding groove of the installation frame 3, the rear part of the bracket 5 is slidably connected to the installation frame 3, a sliding block is arranged at the rear part of the bracket 5 and is slidably connected in the sliding groove of the installation frame 3, a screw hole is formed in the sliding block and is slidably connected to the first threaded connecting shaft 4, two side walls of the installation frame 3 are slidably connected to the fixing frames 7, the two fixing frames 7 are fixedly connected with the bracket 5, and two supporting arms extend out of the front part of the bracket 5 in parallel; still including stable supporting component, stable supporting component is including rotating support frame 6 and threaded connection axle two 11, be equipped with the spout on the support base 1 top surface, threaded connection axle two 11 rotate and connect in the spout of support base 1, threaded connection axle one 4 lower extreme is connected with bevel gear one 15, threaded connection axle two 11 is close to threaded connection axle one 4's one end and is connected with bevel gear two 16, bevel gear one 15 and bevel gear two 16 meshing, sliding connection has movable block 12 on the threaded connection axle two 11, be equipped with the screw on the movable block 12, screw sliding connection is on threaded connection axle two 11, movable block 12 sliding connection is in the spout of support base 1, rotating support frame 6 is including side branch 601 and end branch 602, side branch 601 is equipped with two, two side branch 601 and end branch 602 constitute the U shape, two side branch 601 keep away from the one end of end branch 602 and rotate respectively and connect at two bracket 5's bracket arm front ends, two side branch 601 keep away from end of end branch 602 all is equipped with through-hole I603, bracket 5's two bracket arms on all be connected with pivot I in the pivot, 603. The bottom branch 602 is fixedly connected with a connecting block 10, a through hole II 1001 is formed in the connecting block 10, a mounting groove 13 is formed in the top surface of the movable block 12, the connecting block 10 is rotationally connected in the mounting groove 13, threaded shafts 14 are connected to two side walls of the mounting groove 13, the front ends of the two threaded shafts 14 are respectively inserted into two ends of the through hole II 1001, and screw holes for connecting the threaded shafts 14 are formed in two side walls of the mounting groove 13.

The upper end of the first threaded connecting shaft 4 is connected with a servo motor, the servo motor is connected to the top of the mounting frame 3, and an output shaft of the servo motor penetrates through the mounting frame 3 to be connected with the upper end of the first threaded connecting shaft 4.

The bottom surface of the supporting base 1 is provided with casters 2, and the casters 2 are provided with a plurality of casters. In the embodiment, the supporting base 1 is rectangular, four casters 2 are connected to four corners of the bottom surface of the supporting base 1

One side of the support base 1 far away from the installation frame 3 is provided with a plurality of installation screw holes, and a threaded positioning column 8 is connected in each of the installation screw holes. The bottom of the threaded positioning column 8 is fixedly connected with a weighting block 9, and the weighting block 9 is arranged below the supporting base 1.

In this embodiment, two threaded positioning columns 8 and two weighting blocks 9 are provided, and the two threaded positioning columns 8 are symmetrically arranged with respect to the center line of the support base 1.

According to the utility model, the first threaded connecting shaft 4 is driven by the servo motor, and the first threaded connecting shaft 4 rotates to drive the bracket 5 to move up and down due to the arrangement of the sliding groove of the mounting frame 3, the arrangement of the sliding block at the rear part of the bracket 5 and the arrangement of the stabilizing frame 7, so that the part to be overhauled is lifted during overhauling of equipment.

Because the bevel gear I15 is meshed with the bevel gear II 16, the threaded connection shaft I4 is driven to rotate so as to drive the threaded connection shaft II 11 to rotate, and the threaded connection shaft II 11 actively drives the movable block 12 to slide on the threaded connection shaft II 11, so that the rotary support frame 6 is driven to incline and form stable support for the two supporting arms of the bracket 5, as shown in fig. 4 and 5; it should be noted here that the direction of the threads of the threaded connection shaft two 11 and the direction of the threads of the threaded connection shaft one 4 are set such that when the bracket 5 is raised, the movable block 12 moves in a direction away from the threaded connection shaft one 4, and if the direction is reversed, the present utility model cannot work normally.

In the embodiment, the cross section of the stabilizing frame 7 is frame-shaped, the stabilizing frame 7 is fixedly connected with the bracket 5, and the stabilizing frame 7 is slidably connected with the mounting frame 3; by providing the stabilizer 7 to increase the stability of the bracket 5 when sliding up and down, the bracket 5 is prevented from shaking left and right.

In this embodiment, setting up of truckle 2 is convenient for remove, and usable truckle 2 with the brake in order to improve stability in use during the in-service use, the setting up of screw thread reference column 8 and weighting piece 9 on the one hand balances the gravity of mounting bracket 3, screw thread connecting axle one 4 and servo motor so as to improve stability, on the other hand when need not to remove, rotates screw thread reference column 8 and makes weighting piece 9 contact ground improvement stability.

When the device is used, the first threaded connecting shaft 4 and the bracket 5 are utilized to lift a part to be maintained, the bracket 5 moves upwards to drive the rotary support frame 6 to rotate downwards, the rotary support frame 6 can be hinged with the movable block 12 through the connecting component, when the first threaded connecting shaft 4 rotates, the first bevel gear 15 and the second bevel gear 16 are driven to be meshed with each other, the second threaded connecting shaft 11 is driven to rotate, when the second threaded connecting shaft 11 rotates, the movable block 12 is driven to move, the rotary support frame 6 is driven to rotate to support one side of the bracket 5 far away from the mounting frame 3, when the bracket 5 overhauls the part, the two sides of the part can be stably supported, and the stability of the whole lifting is improved.

Claims

1. The utility model provides a lifting bracket convenient to stable support, including supporting base (1), supporting base (1) top surface rear portion fixedly connected with mounting bracket (3), be provided with lifting mechanism on supporting base (1), lifting mechanism includes threaded connection axle one (4) and bracket (5), be equipped with the spout on mounting bracket (3), threaded connection axle one (4) rotate to be connected in the spout of mounting bracket (3), bracket (5) rear portion sliding connection is on mounting bracket (3), bracket (5) rear portion is equipped with the slider, slider sliding connection is in the spout of mounting bracket (3), be equipped with the screw on the slider, screw sliding connection is on threaded connection axle one (4), bracket (5) front portion parallel extension two trailing arms, its characterized in that: still including stable supporting component, stable supporting component is equipped with the spout including revolving support frame (6) and threaded connection axle two (11) on supporting base (1) top surface, threaded connection axle two (11) rotate and connect in the spout of supporting base (1), threaded connection axle one (4) lower extreme is connected with bevel gear one (15), threaded connection axle two (11) are close to the one end of threaded connection axle one (4) and are connected with bevel gear two (16), bevel gear one (15) and bevel gear two (16) meshing, sliding connection has movable block (12) on threaded connection axle two (11), be equipped with the screw on movable block (12), screw sliding connection is on threaded connection axle two (11), movable block (12) sliding connection is in the spout of supporting base (1), revolving support frame (6) upper end rotation is connected on the bracket of bracket (5), revolving support frame (6) sliding connection is on movable block (12).

2. A lifting bracket for facilitating stable support as claimed in claim 1 wherein: the rotary support frame (6) comprises two side branch strips (601) and bottom branch strips (602), wherein the two side branch strips (601) and the bottom branch strips (602) form a U shape, one ends of the two side branch strips (601) far away from the bottom branch strips (602) are respectively connected with the front ends of the two supporting arms of the bracket (5) in a rotating mode, the bottom branch strips (602) are fixedly connected with connecting blocks (10), and the connecting blocks (10) are connected onto the movable blocks (12) in a rotating mode.

3. A lifting bracket for facilitating stable support as claimed in claim 2, wherein: the movable block is characterized in that a mounting groove (13) is formed in the top surface of the movable block (12), the connecting block (10) is rotationally connected in the mounting groove (13), a through hole II (1001) is formed in the connecting block (10), threaded shafts (14) are connected to two side walls of the mounting groove (13), the front ends of the two threaded shafts (14) are respectively inserted into two ends of the through hole II (1001), and screw holes for connecting the threaded shafts (14) are formed in two side walls of the mounting groove (13).

4. A lifting bracket for facilitating stable support according to claim 3, wherein: the two side branch strips (601) are far away from one end of the bottom branch strip (602) and are provided with through holes I (603), two supporting arms of the bracket (5) are connected with rotating shafts, and the rotating shafts are inserted into the through holes I (603).

5. A lifting bracket for facilitating stable support according to claim 3, wherein: the two side walls of the mounting frame (3) are both connected with the stabilizing frames (7) in a sliding way, and the two stabilizing frames (7) are fixedly connected with the bracket (5).

6. A lifting bracket for facilitating stable support according to any one of claims 1 to 5, wherein: the upper end of the first threaded connecting shaft (4) is connected with a servo motor, the servo motor is connected to the top of the mounting frame (3), and an output shaft of the servo motor penetrates through the mounting frame (3) to be connected with the upper end of the first threaded connecting shaft (4).

7. The lifting bracket for facilitating stable support of claim 6, wherein: the bottom surface of the supporting base (1) is provided with casters (2), and the casters (2) are provided with a plurality of casters.

8. The lifting bracket for facilitating stable support of claim 7, wherein: one side of the supporting base (1) far away from the installation frame (3) is provided with a plurality of installation screw holes, and a threaded positioning column (8) is connected in each of the installation screw holes.

9. The lifting bracket for facilitating stable support of claim 8, wherein: the bottom of the threaded positioning column (8) is fixedly connected with a weighting block (9), and the weighting block (9) is arranged below the supporting base (1).