Supporting device for segmented hoisting of large-span steel structure

Abstract

The utility model relates to the technical field of large-span steel structure construction, and discloses a supporting device for segmented hoisting of a large-span steel structure, which comprises a bottom box, an adjusting mechanism arranged on the surface of the bottom box, a rotating mechanism and a plurality of square frames arranged above the bottom box, a connecting plate fixedly connected to the left sides of the square frames, and heat dissipation holes formed in the front surface of the bottom box in a penetrating manner. A filter screen is fixedly connected to the interior of the heat dissipation hole, and an X-shaped supporting frame is fixedly connected to the inner side face of the square frame; the adjusting mechanism comprises a fixing assembly and an adjusting assembly; the adjusting assembly is located on the surface of the fixing assembly. Through the adjusting mechanism and the fixing assembly, the fixing nails can be conveniently moved downwards and pricked into the ground, meanwhile, the fixing nails can be moved downwards, the stability of the shell is enhanced, and therefore the stability of the connecting frame is improved, and when the fixing nails are pricked into the ground downwards, the adjusting assembly can retract universal wheels into the bottom box, so that the fixing nails are more convenient to move. Therefore, the stability of the supporting device for segmented hoisting of the large-span steel structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of large-span steel structure construction, in particular to a supporting device for segmented hoisting of a large-span steel structure. Background Art

[0002] Steel structures with a horizontal span of 60 meters, concrete structures with a span of more than 30 meters, and frame structures with a span of more than 18 meters are large-span steel structures. Their structural forms mainly include five major spatial structures such as grid structure, lattice shell structure, cable suspension structure, membrane structure, and thin shell structure, as well as various combined spatial structures. Large-span steel structures cannot use large lifting machinery or hoisting machinery, and most of them are hoisted in sections.

[0003] According to a Chinese patent, a support device for segmented hoisting of a large-span steel structure, with publication number CN214091147U, includes a shell, two symmetrical mounting blocks are fixedly connected to both side surfaces of the shell, the internal thread of each mounting block is connected to a first screw, the bottom end of each first screw is rotatably connected to a grounding block, rollers are fixedly connected to the four corners of the bottom surface of the shell, a through hole is provided in the center of the bottom surface of the shell, and a ground insertion mechanism is provided inside the shell. The design structure of the utility model is reasonable, and it can effectively ensure the stability of the shell on the ground through the coordination between the mounting block, the first screw, the grounding block and the ground insertion mechanism, thereby improving the stability of the large-span steel structure during hoisting, and the coordination between the frame and the height adjustment mechanism can hoist the large-span steel structure to different heights to meet the different needs of users;

[0004] However, the existing device still has the following problem: in the device, the first screw rod on the side of the rotating shell is adjusted to extend out of the mounting block to make the ground block close to the ground, but the four first threaded rods cannot be rotated with the same force at the same time, which makes the shell prone to tilting, affecting the lifting effect of the large-span steel structure. Therefore, a support device for the segmented lifting of a large-span steel structure is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a support device for the segmented hoisting of a large-span steel structure to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a support device for segmented hoisting of a large-span steel structure, comprising a bottom box, an adjustment mechanism is arranged on the surface of the bottom box, a rotating mechanism and a plurality of square frames are arranged above the bottom box, a connecting plate is fixedly connected to the left side of the square frame, a heat dissipation hole is opened through the front of the bottom box, a filter is fixedly connected inside the heat dissipation hole, and an X-shaped support frame is fixedly connected to the side of the inner side of the frame;

[0007] The adjustment mechanism includes a fixing component and an adjustment component;

[0008] The adjusting component is located on the surface of the fixed component;

[0009] The fixing assembly comprises a double-headed motor, a worm is arranged on the left and right sides of the double-headed motor, the outer end surface of the worm passes through the inner side surface of the bottom box and extends to the outer side of the bottom box, the left and right sides of the bottom box are fixedly connected with fixing blocks, a first threaded rod is arranged above the fixing block, a worm gear is fixedly sleeved on the upper end surface of the first threaded rod, a threaded sleeve is arranged on the lower end surface of the first threaded rod, a connecting rod is arranged on the inner side of the threaded sleeve, a supporting plate is arranged below the threaded sleeve, two fixing nails are fixedly connected to the bottom surface of the supporting plate, a wedge-shaped groove is opened through the left and right sides of the bottom box, and a wedge block is arranged inside the wedge-shaped groove;

[0010] The adjustment assembly includes two second threaded rods, both of which are located inside the bottom box, and the two second threaded rods are symmetrically arranged. The second threaded rods are located below the worm, and bevel gears are fixedly sleeved on the surfaces of the second threaded rods and the worm, and an adjustment plate is arranged below the second threaded rod, and four connecting blocks are fixedly connected to the bottom surface of the adjustment plate, and universal wheels are fixedly connected to the bottom surfaces of the four connecting blocks, and four through holes are opened through the bottom surface of the bottom box.

[0011] Preferably, the top surface of the double-headed motor is fixedly connected to the inner top surface of the bottom box, the outer end surfaces of the left and right output rods of the double-headed motor are respectively fixedly connected to the inner end surfaces of two worms, the surface of the worm is rotatably connected to the inner wall of the bottom box through a bearing seat, and the surface of the worm is meshed with the surface of the worm wheel, thereby improving the stability of the connection of the double-headed motor.

[0012] Preferably, the bottom end surface of the first threaded rod passes through the top surface of the fixed block and extends to below the fixed block. The surface of the first threaded rod is threadedly connected to the inner wall of the fixed block through a bearing seat. The first threaded rod rotates to drive the threaded sleeve to rise and fall.

[0013] Preferably, the surface of the threaded sleeve is fixedly connected to the outer end surface of the connecting rod, the inner end surface of the connecting rod is fixedly connected to the outer side surface of the wedge block, the surface of the wedge block is slidingly connected to the inner wall of the wedge groove, and the bottom surface of the threaded sleeve is fixedly connected to the top surface of the support plate, so that the connecting rod and the wedge block can easily limit the threaded sleeve.

[0014] Preferably, the two bevel gears on the same side are meshed with each other on an inclined plane, the bottom end faces of the two second threaded rods are both threaded through the top surface of the adjustment plate and extend to the bottom of the adjustment plate, the side face of the adjustment plate is slidingly connected to the inner side face of the bottom box, the bottom end face of the second threaded rod is rotatably connected to the inner bottom surface of the bottom box through a bearing seat, the connecting block and the bottom surface of the universal wheel both penetrate the inner bottom surface of the bottom box and the inner wall of the through hole and extend to the bottom of the bottom box, and the universal wheel facilitates driving the bottom box to move.

[0015] Preferably, the top surface of the bottom box is fixedly connected to the bottom surface of the lowermost frame, and the inner walls of two adjacent connecting plates are threadedly connected by bolts, so that the connecting plates are convenient for connecting the frames, thereby facilitating a wide range of adjustment of the height of the connecting frame.

[0016] Preferably, the rotating mechanism includes a placement frame, the bottom surface of the placement frame is fixedly connected to the top surface of the uppermost square frame, the inner bottom surface of the placement frame is fixedly connected to a motor, the top surface of the motor output rod is fixedly connected to a connecting frame, the connecting frame is located above the placement frame, and the connecting frame is rotated by rotating the motor output rod, thereby improving the flexible adjustment effect of the connecting frame.

[0017] Preferably, four support rods are fixedly connected to the bottom surface of the connecting frame, and the bottom end surfaces of the four support rods are slidably connected to the inner bottom surface of the placement frame, and the support rods improve the stability of the connecting frame when it rotates.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the support device for the segmented lifting of the large-span steel structure, through the adjustment mechanism, the fixing component is convenient for the fixing nail to be moved downward and driven into the ground, and the fixing nail can be moved downward at the same time, thereby enhancing the stability of the shell, thereby improving the stability of the connecting frame, and the adjustment component can retract the universal wheel into the bottom box when the fixing nail is driven downward into the ground, thereby improving the stability of the support device for the segmented lifting of the large-span steel structure; the connecting plate on the side of the square frame is connected by bolts, thereby achieving the purpose of adjusting the height of the connecting frame over a large range, and at the same time, the connecting plate on the side is more convenient for connecting to the square frame, and the large-span steel structure can be lifted to different heights to meet the different needs of users; the position of the connecting frame can be rotated by the rotating mechanism, thereby facilitating the lifting of the large-span steel structure to different positions, achieving the effect of flexible adjustment of the position of the connecting frame, without adjusting the position of the bottom box, thereby improving the efficiency of the support device for the segmented lifting of the large-span steel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front cutaway stereoscopic view of the threaded sleeve of the utility model;

[0020] Figure 2 This is a main stereoscopic view of the utility model;

[0021] Figure 3 It is a left-side stereogram of the utility model;

[0022] Figure 4 It is a rear side cutaway stereoscopic view of the second threaded rod of the utility model;

[0023] Figure 5 This is a front perspective view of the support plate of the utility model;

[0024] Figure 6 For this utility model Figure 1 Enlarged stereogram of area A in the middle.

[0025] In the figure: bottom box 1, adjustment mechanism 2, double-headed motor 201, worm 202, fixed block 203, first threaded rod 204, worm wheel 205, connecting rod 206, wedge block 207, support plate 208, fixing nail 209, threaded sleeve 210, bevel gear 211, second threaded rod 212, adjustment plate 213, connecting block 214, universal wheel 215, filter screen 4, frame 5, X-shaped support frame 6, connecting plate 7, rotating mechanism 8, placement frame 801, motor 802, connecting frame 803, support rod 804. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1 - Figure 6 The utility model provides a technical solution: a support device for segmented hoisting of a large-span steel structure, comprising a bottom box 1, an adjustment mechanism 2 is arranged on the surface of the bottom box 1, a rotating mechanism 8 and a plurality of square frames 5 are arranged above the bottom box 1, a connecting plate 7 is fixedly connected to the left side of the square frame 5, a heat dissipation hole is opened through the front of the bottom box 1, a filter 4 is fixedly connected inside the heat dissipation hole, and an X-shaped support frame 6 is fixedly connected to the inner side of the frame 5;

[0029] The adjusting mechanism 2 includes a fixing component and an adjusting component;

[0030] The adjusting component is located on the surface of the fixed component;

[0031] The fixing assembly includes a double-headed motor 201, and a worm 202 is arranged on the left and right sides of the double-headed motor 201. The outer end surface of the worm 202 penetrates the inner side surface of the bottom box 1 and extends to the outside of the bottom box 1. The left and right sides of the bottom box 1 are fixedly connected with a fixing block 203, and a first threaded rod 204 is arranged above the fixing block 203. A worm gear 205 is fixedly sleeved on the upper end surface of the first threaded rod 204, and a threaded sleeve 210 is threadedly sleeved on the lower end surface of the first threaded rod 204. A connecting rod 206 is arranged on the inner side of the threaded sleeve 210, and a support plate 208 is arranged below the threaded sleeve 210. Two fixing nails 209 are fixedly connected to the bottom surface of the support plate 208. Wedge-shaped grooves are opened through the left and right sides of the bottom box 1, and a wedge block 207 is arranged inside the wedge groove.

[0032] The adjustment assembly includes two second threaded rods 212, both of which are located inside the bottom box 1, and the two second threaded rods 212 are symmetrically arranged. The second threaded rods 212 are located below the worm 202, and the surfaces of the second threaded rods 212 and the worm 202 are fixedly sleeved with bevel gears 211. An adjustment plate 213 is arranged below the second threaded rods 212, and the bottom surface of the adjustment plate 213 is fixedly connected to four connecting blocks 214, and the bottom surfaces of the four connecting blocks 214 are fixedly connected to universal wheels 215. The bottom surface of the bottom box 1 is provided with four through holes. The top surface of the double-headed motor 201 is fixedly connected to the top surface of the bottom box 1, the outer end surfaces of the left and right output rods of the double-headed motor 201 are respectively fixedly connected to the inner end surfaces of the two worms 202, the surface of the worm 202 is rotatably connected to the inner wall of the bottom box 1 through the bearing seat, the surface of the worm 202 is meshed with the surface of the worm wheel 205, the bottom end surface of the first threaded rod 204 passes through the top surface of the fixed block 203 and extends to the bottom of the fixed block 203, the surface of the first threaded rod 204 is threadedly connected to the inner wall of the fixed block 203 through the bearing seat, and the surface of the threaded sleeve 210 is connected to the connecting rod 20 6, the inner end surface of the connecting rod 206 is fixedly connected to the outer side surface of the wedge block 207, the surface of the wedge block 207 is slidably connected to the inner wall of the wedge groove, the bottom surface of the threaded sleeve 210 is fixedly connected to the top surface of the support plate 208, the two bevel gears 211 on the same side are meshed with each other, the bottom end surfaces of the two second threaded rods 212 are threaded through the top surface of the adjustment plate 213 and extend to the bottom of the adjustment plate 213, the side surface of the adjustment plate 213 is slidably connected to the inner side surface of the bottom box 1, and the bottom end surface of the second threaded rod 212 is rotatably connected to the inner bottom surface of the bottom box 1 through the bearing seat The bottom surfaces of the connecting block 214 and the universal wheel 215 penetrate the inner bottom surface of the bottom box 1 and the inner wall of the through hole and extend to the bottom of the bottom box 1. Through the adjustment mechanism 2, the fixing component is convenient for the fixing nail 209 to move downward and penetrate into the ground, and the fixing nail 209 can be moved downward at the same time to enhance the stability of the shell 1, thereby improving the stability of the connecting frame 803. The adjustment component can retract the universal wheel 215 into the bottom box 1 when the fixing nail 209 penetrates downward into the ground, thereby improving the stability of the support device for the segmented lifting of the large-span steel structure.

[0033] The top surface of the bottom box 1 is fixedly connected to the bottom surface of the lowermost square frame 5, and the inner walls of the two adjacent connecting plates 7 are threadedly connected by bolts, and the connecting plates 7 on the sides of the square frame 5 are connected by bolts, thereby achieving the purpose of adjusting the height of the connecting frame 803 over a large range. At the same time, the side connecting plates 7 are more convenient for connecting to the square frame 5, and large-span steel structures can be hoisted to different heights to meet the different needs of users.

[0034] Embodiment 2

[0035] On the basis of the first embodiment, a preferred embodiment of a support device for segmented hoisting of a large-span steel structure provided by the utility model is as follows: Figure 1 - Figure 4 As shown: the rotating mechanism 8 includes a placement frame 801, the bottom surface of the placement frame 801 is fixedly connected to the top surface of the uppermost square frame 5, the inner bottom surface of the placement frame 801 is fixedly connected to a motor 802, the top surface of the output rod of the motor 802 is fixedly connected to a connecting frame 803, the connecting frame 803 is located above the placement frame 801, and the bottom surface of the connecting frame 803 is fixedly connected to four support rods 804, and the bottom end surfaces of the four support rods 804 are all slidably connected to the inner bottom surface of the placement frame 801. The position of the connecting frame 803 can be rotated by the rotating mechanism 8, so as to facilitate the hoisting of the large-span steel structure to different positions, thereby achieving the effect of flexible adjustment of the position of the connecting frame 803, without adjusting the position of the bottom box 1, thereby improving the efficiency of the support device for segmented hoisting of large-span steel structures.

[0036] When in use, the square frame 5 is stacked, and the connecting plate 7 is connected by bolts, so as to change the height of the connecting frame 803 in a large range; the double-headed motor 201 is turned on, and the output rod of the double-headed motor 201 drives the connected worm 202, and the worm 202 drives the connected bevel gear 211 and the worm wheel 205 to rotate, and the worm wheel 205 drives the connected first threaded rod 204 to rotate, and the two bevel gears 211 are engaged to make the second threaded rod 212 rotate, and the second threaded rod 212 drives the connected adjustment plate 213 to move upward, and the adjustment plate 212 drives the connection block 214 and the universal wheel 215 to slide into the bottom box 1 Internally, the thread directions of the first threaded rod 204 and the second threaded rod 212 are opposite, the first threaded rod 204 drives the threaded sleeve 210 to move downward, the threaded sleeve 210 drives the connecting rod 206 and the support plate 208 to move downward, the connecting rod 206 drives the wedge block 207 to slide inside the wedge groove, and the support plate 208 drives the fixing nail 209 to penetrate into the ground; turn on the motor 802, the output rod of the motor 802 drives the connected connecting frame 803 to rotate, and the connecting frame 803 drives the support rod 804 to slide inside the placement frame 801, thereby achieving the effect of flexible rotation adjustment of the connecting frame 803.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A support device for the segmented hoisting of a large-span steel structure, comprising a bottom box (1), characterized in that: The bottom box (1) is provided with an adjustment mechanism (2) on its surface, a rotating mechanism (8) and a plurality of square frames (5) are provided above the bottom box (1), a connecting plate (7) is fixedly connected to the left side of the square frame (5), a heat dissipation hole is provided through the front of the bottom box (1), a filter screen (4) is fixedly connected inside the heat dissipation hole, and an X-shaped support frame (6) is fixedly connected to the inner side of the square frame (5); The adjusting mechanism (2) comprises a fixing component and an adjusting component; The adjusting component is located on the surface of the fixed component; The fixing assembly comprises a double-headed motor (201), wherein a worm (202) is arranged on the left and right sides of the double-headed motor (201), the outer end surface of the worm (202) penetrates the inner side surface of the bottom box (1) and extends to the outer side of the bottom box (1), the left and right sides of the bottom box (1) are fixedly connected with a fixing block (203), a first threaded rod (204) is arranged above the fixing block (203), a worm gear (205) is fixedly sleeved on the upper end surface of the first threaded rod (204), a threaded sleeve (210) is threadedly sleeved on the lower end surface of the first threaded rod (204), a connecting rod (206) is arranged inside the threaded sleeve (210), a support plate (208) is arranged below the threaded sleeve (210), and two fixing nails (209) are fixedly connected to the bottom surface of the support plate (208), and a wedge-shaped groove is opened through the left and right sides of the bottom box (1), and a wedge-shaped block (207) is arranged inside the wedge-shaped groove; The adjustment component comprises two second threaded rods (212), the two second threaded rods (212) are both located inside the bottom box (1), the two second threaded rods (212) are symmetrically arranged, the second threaded rods (212) are located below the worm (202), the surfaces of the second threaded rods (212) and the surfaces of the worm (202) are both fixedly sleeved with bevel gears (211), an adjustment plate (213) is arranged below the second threaded rods (212), the bottom surface of the adjustment plate (213) is fixedly connected to four connection blocks (214), the bottom surfaces of the four connection blocks (214) are all fixedly connected to universal wheels (215), and the bottom surface of the bottom box (1) is provided with four through holes.

2. The support device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The top surface of the double-headed motor (201) is fixedly connected to the inner top surface of the bottom box (1); the outer end surfaces of the left and right output rods of the double-headed motor (201) are respectively fixedly connected to the inner end surfaces of two worms (202); the surface of the worm (202) is rotatably connected to the inner wall of the bottom box (1) via a bearing seat; and the surface of the worm (202) is meshed with the surface of the worm wheel (205).

3. The supporting device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The bottom end surface of the first threaded rod (204) passes through the top surface of the fixing block (203) and extends to below the fixing block (203); the surface of the first threaded rod (204) is threadedly connected to the inner wall of the fixing block (203) via a bearing seat.

4. The supporting device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The surface of the threaded sleeve (210) is fixedly connected to the outer end surface of the connecting rod (206), the inner end surface of the connecting rod (206) is fixedly connected to the outer side surface of the wedge block (207), the surface of the wedge block (207) is slidably connected to the inner wall of the wedge groove, and the bottom surface of the threaded sleeve (210) is fixedly connected to the top surface of the support plate (208).

5. The supporting device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The two bevel gears (211) on the same side are meshed with each other at an inclined surface, the bottom end surfaces of the two second threaded rods (212) are both threadedly penetrated through the top surface of the adjustment plate (213) and extend to the bottom of the adjustment plate (213), the side surface of the adjustment plate (213) is slidably connected to the inner side surface of the bottom box (1), the bottom end surface of the second threaded rod (212) is rotatably connected to the inner bottom surface of the bottom box (1) through a bearing seat, and the bottom surfaces of the connecting block (214) and the universal wheel (215) both penetrate the inner bottom surface of the bottom box (1) and the inner wall of the through hole and extend to the bottom of the bottom box (1).

6. The supporting device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The top surface of the bottom box (1) is fixedly connected to the bottom surface of the lowermost square frame (5), and the inner walls of two adjacent connecting plates (7) are threadedly connected by bolts.

7. The supporting device for segmented hoisting of a large-span steel structure according to claim 1 is characterized in that: The rotating mechanism (8) comprises a placement frame (801), the bottom surface of the placement frame (801) is fixedly connected to the top surface of the uppermost square frame (5), the bottom surface inside the placement frame (801) is fixedly connected to a motor (802), the top surface of the output rod of the motor (802) is fixedly connected to a connecting frame (803), and the connecting frame (803) is located above the placement frame (801).

8. The supporting device for segmented hoisting of a large-span steel structure according to claim 7 is characterized in that: Four support rods (804) are fixedly connected to the bottom surface of the connection frame (803), and the bottom end surfaces of the four support rods (804) are all slidably connected to the inner bottom surface of the placement frame (801).

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