CN219490678U - Support jacking device with rolling type - Google Patents
Support jacking device with rolling type Download PDFInfo
- Publication number
- CN219490678U CN219490678U CN202223353440.4U CN202223353440U CN219490678U CN 219490678 U CN219490678 U CN 219490678U CN 202223353440 U CN202223353440 U CN 202223353440U CN 219490678 U CN219490678 U CN 219490678U
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- fixed
- block
- sleeve
- jacking device
- jacking
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- 238000005096 rolling process Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 17
- 238000011065 in-situ storage Methods 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 238000009415 formwork Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a support jacking device with a rolling type. The support jacking device with the rolling type comprises a base; a support structure fixed to a center of the base surface; the lifting structure is arranged at the top end of the hollow ejector rod; the supporting structure is arranged at the top end of the threaded sleeve; the erection structure is arranged on the top side wall of the ball; and the adjusting structure is fixed on the side wall of the top block. The rolling type support jacking device provided by the utility model has the advantages of being capable of generating the sliding requirement on the side pier beam body due to temperature difference, preventing concrete from cracking, being suitable for one-time pouring construction of the side span of the variable-section cast-in-situ box beam, and ensuring the construction quality.
Description
Technical Field
The utility model relates to the technical field of support jacking, in particular to a support jacking device with a rolling type.
Background
With the rapid development of real estate construction industry and three-dimensional traffic construction in recent years, the usage amount of formwork supporting tools is rapidly increased as an indispensable means and equipment in construction operation. In the existing building construction formwork field, the commonly used bracket types are: a fastener type steel pipe supporting system, a bowl-buckle type steel pipe supporting system, a portal frame steel pipe supporting system, a disk-buckle type steel pipe supporting system, a common independent steel support and the like.
With the improvement of aesthetic level of people, the design of various special-shaped structures is more and more, and the formwork supporting conditions required to be met for a formwork supporting system are more and more severe. In the cast-in-situ box girder construction of the bridge, when the bridge is erected on the jacking, the whole side span girder body is poured under the influence of factors such as temperature, and the like, and the side pier girder body can generate the requirement of sliding due to temperature difference, so that the special device is designed to prevent concrete cracking, and is suitable for one-time pouring construction of the side span of the variable-section cast-in-situ box girder, thereby ensuring the construction quality.
Therefore, it is necessary to provide a new support jacking device with rolling function to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the rolling bracket jacking device which can prevent concrete cracking when the side pier beam body generates the sliding requirement due to temperature difference and is suitable for one-time pouring construction of the side span of the variable-section cast-in-situ box beam so as to ensure the construction quality.
The utility model provides a support jacking device with a rolling type, comprising: a base; the support structure is fixed at the center of the surface of the base and comprises a hollow ejector rod, corner reinforcing blocks and limiting blocks, wherein the hollow ejector rod is vertically fixed at the center of the surface of the base, the corner reinforcing blocks are fixed on the side walls of the bottom ends of the hollow ejector rod, and the limiting blocks are fixed on the surface of the hollow ejector rod; the lifting structure is arranged at the top end of the hollow ejector rod and comprises a thread sleeve, a fixed block and a chute, the thread sleeve is arranged at the top end of the hollow ejector rod, the fixed block is fixed on the side wall of the thread sleeve, and the chute is arranged in the bottom surface of the thread sleeve; the supporting structure is arranged at the top end of the threaded sleeve and comprises a screw rod, a top block and a ball, the screw rod is arranged at the top end of the threaded sleeve, the top block is fixed at the top end of the screw rod, and the ball is fixed in the top block; the erection structure is arranged on the side wall of the top end of the round ball and comprises a top supporting plate, smooth round steel bars and stop blocks, wherein the top supporting plate is arranged on the top end of the round ball, the smooth round steel bars are arranged at the middle of the inside of the top supporting plate, and the stop blocks are fixed at the two ends of the inside of the top supporting plate; the adjusting structure is fixed on the side wall of the top block and comprises a first fixing rod, a sleeve and a second fixing rod, wherein the first fixing rod is fixed on the side wall of the top block, the sleeve is installed at one end of the first fixing rod, and the second fixing rod is connected to the other end of the sleeve.
Preferably, the erection structure further comprises a connecting block, a limiting groove and a clamping groove, wherein the connecting block is fixed on the bottom surface of the top supporting plate, the limiting groove is formed in the middle of the top supporting plate, and the clamping groove is formed in two ends of the bottom surface of the top supporting plate.
Preferably, the shape of the top block is concave, the ball slides in the connecting block, and the connecting block slides in the inner side wall of the top block.
Preferably, the shape of the top supporting plate is U-shaped, the smooth round steel bars rotate in the limiting grooves, and the smooth round steel bars are connected with the top supporting plate in a rotating mode through the limiting grooves.
Preferably, the screw rod is in threaded connection with the threaded sleeve, and the screw rod slides in the hollow ejector rod.
Preferably, the limiting block slides in the sliding groove, and the hollow ejector rod is rotationally connected with the threaded sleeve through the limiting block.
Preferably, one end of the second fixing rod is fixed at the edge of the bottom surface of the top supporting plate, and two ends of the sleeve are respectively in threaded connection with the second fixing rod and the first fixing rod.
Compared with the related art, the support jacking device with the rolling type has the following beneficial effects:
the utility model provides a support jacking device with rolling, which can enable a supporting structure to slide up and down in the supporting structure by rotating the lifting structure, enable the supporting structure to be adjusted to the position of an erecting structure connected with the top end of the supporting structure, enable the direction of the erecting structure to be laid along the longitudinal direction and the bridge direction, then erect a connecting body on the erecting structure, and because the inside of the erecting structure is provided with a smooth steel bar, the smooth steel bar avoids the direct contact between a beam body and the erecting structure, greatly reduces the friction force between the beam body and the erecting structure, can conveniently adjust the erected beam body, meanwhile, the angle of the erection structure can be changed by rotating the adjusting structure, in the construction of the cast-in-situ box girder of the bridge, the longitudinal and transverse gradient of the bridge is larger, the formwork support of the bridge can adapt to the change in height and the change in longitudinal and transverse gradient along the bridge, so that the adjustment is convenient, the precision can be ensured, the top support plate on the erection structure can freely move along with the poured concrete on the top support plate, the tension crack of the finished concrete due to shrinkage deformation and other reasons is prevented, the device has the advantages of being capable of generating the sliding requirement on the side pier girder body due to the temperature difference, preventing the concrete from cracking, and being suitable for the one-time pouring construction of the side span of the cast-in-situ box girder with the variable cross section, thereby ensuring the construction quality.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of a rolling type support jacking device according to the present utility model;
FIG. 2 is a schematic elevational view of the top tray connection of FIG. 1;
FIG. 3 is a schematic view of the structure of the front section shown in FIG. 2;
FIG. 4 is a schematic diagram of a side view in cross section as shown in FIG. 2;
FIG. 5 is a schematic view of the support lift section shown in FIG. 1;
fig. 6 is an enlarged schematic view of the portion a shown in fig. 1.
Reference numerals in the drawings: 1. the device comprises a base, 2, a supporting structure, 21, a hollow ejector rod, 22, corner reinforcing blocks, 23, limiting blocks, 3, a lifting structure, 31, a threaded sleeve, 32, a fixed block, 33, a sliding groove, 4, a supporting structure, 41, a screw rod, 42, an ejector block, 43, a ball, 5, an erection structure, 51, an ejector plate, 52, a smooth round steel bar, 53, a stop block, 54, a connecting block, 55, a limiting groove, 56, a clamping groove, 6, an adjusting structure, 61, a first fixed rod, 62, a sleeve, 63 and a second fixed rod.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a rolling type bracket jacking device according to the present utility model; FIG. 2 is a schematic elevational view of the top tray connection of FIG. 1; FIG. 3 is a schematic view of the structure of the front section shown in FIG. 2; FIG. 4 is a schematic diagram of a side view in cross section as shown in FIG. 2; FIG. 5 is a schematic view of the support lift section shown in FIG. 1; FIG. 6 is an enlarged schematic view of the portion A shown in FIG. 1, and the rolling type bracket jacking device comprises; a base 1; the support structure 2 is fixed at the center of the surface of the base 1, the support structure 2 comprises a hollow ejector rod 21, corner reinforcing blocks 22 and limiting blocks 23, the hollow ejector rod 21 is vertically fixed at the center of the surface of the base 1, the corner reinforcing blocks 22 are fixed on the side walls of the bottom ends of the hollow ejector rod 21, and the limiting blocks 23 are fixed on the surface of the hollow ejector rod; the lifting structure 3 is arranged at the top end of the hollow ejector rod 21, the lifting structure 3 comprises a threaded sleeve 31, a fixed block 32 and a sliding groove 33, the threaded sleeve 31 is arranged at the top end of the hollow ejector rod 21, the fixed block 32 is fixed on the side wall of the threaded sleeve 31, and the sliding groove 33 is arranged in the bottom surface of the threaded sleeve 31; the supporting structure 4 is mounted at the top end of the threaded sleeve 31, the supporting structure 4 comprises a screw rod 41, a top block 42 and a ball 43, the screw rod 41 is mounted at the top end of the threaded sleeve 31, the top block 42 is fixed at the top end of the screw rod 41, and the ball 43 is fixed in the top block 42; the erection structure 5 is mounted on the top end side wall of the round ball 43, the erection structure 5 comprises a top supporting plate 51, smooth steel bars 52 and a stop block 53, the top supporting plate 51 is mounted on the top end of the round ball 43, the smooth steel bars 52 are mounted in the middle of the inside of the top supporting plate 51, and the stop block 53 is fixed at two ends of the inside of the top supporting plate 51; the adjusting structure 6, the adjusting structure 6 is fixed on the side wall of the top block 42, the adjusting structure 6 includes a first fixing rod 61, a sleeve 62 and a second fixing rod 63, the first fixing rod 61 is fixed on the side wall of the top block 42, the sleeve 62 is mounted on one end of the first fixing rod 61, and the second fixing rod 63 is connected to the other end of the sleeve 62.
In the specific implementation process, as shown in fig. 1, 2, 3 and 4, the erection structure 5 further includes a connection block 54, a limit groove 55 and a clamping groove 56, the connection block 54 is fixed on the bottom surface of the top support plate 51, the limit groove 55 is disposed in the middle of the top support plate 51, and the clamping groove 56 is disposed at two ends of the bottom surface of the top support plate 51, so that the girder body is conveniently erected, and the girder body slides along the bridge.
In the implementation process, as shown in fig. 2, 3 and 4, the top block 42 is concave, the ball 43 slides inside the connection block 54, and the connection block 54 slides on the inner side wall of the top block 42, so that the top support plate 51 can adjust the angle through the sliding between the ball 43 and the connection block 54.
In the implementation process, as shown in fig. 2, 3 and 4, the shape of the top support plate 51 is U-shaped, the smooth steel bars 52 rotate inside the limit grooves 55, and the smooth steel bars 52 are rotationally connected with the top support plate 51 through the limit grooves 55, so that the pouring Liang Tihou is facilitated, and the requirement of sliding is met due to the temperature difference.
In the specific implementation process, as shown in fig. 1 and 5, the screw 41 is in threaded connection with the threaded sleeve 31, and the screw 41 slides inside the hollow ejector 21, so that the screw 41 can slide up and down inside the hollow ejector 21 by rotating the threaded sleeve 31.
In the specific implementation process, as shown in fig. 1, 5 and 6, the limiting block 23 slides inside the sliding groove 33, and the hollow ejector rod 21 is rotationally connected with the threaded sleeve 31 through the limiting block 23, so that the hollow ejector rod 21 does not affect the rotation of the threaded sleeve 31.
In the specific implementation process, as shown in fig. 2 and 4, one end of the second fixing rod 63 is fixed to the edge of the bottom surface of the top support plate 51, two ends of the sleeve 62 are respectively in threaded connection with the second fixing rod 63 and the first fixing rod 61, so that the sleeve 62 is convenient to shrink or extend by rotating the sleeve 62, and the distance between the first fixing rod 61 and the second fixing rod 63 is convenient for the second fixing rod 63 to drive the top support plate 31 to adjust the front-back angle.
The working principle of the support jacking device with the rolling type is as follows:
when in use, firstly, the metal stop blocks 53 with the height of 5mm and the length of 100mm are welded on the two sides of the cross section of the U-shaped top support plate 51, a closed space is formed on the upper side of the top support plate 51, then, a phi 20mm smooth steel bar 52 is arranged in the limit groove 55 arranged in the middle of the inside of the top support plate 51, the sliding direction of the smooth steel bar is consistent with the longitudinal edge placing direction, the rolling device is arranged, the base 1 is connected with the supporting brackets, the screw rod 41 slides in the hollow ejector rod 21 by rotating the thread sleeve 31, the screw rod 41 moves up and down through the top support plate 51 connected with the top block 42, then, the top support plate 51 is arranged along the longitudinal edge, the rolling direction of the device is consistent with the longitudinal edge, the beam can slide along the longitudinal edge, the first support rod and the second support rod extend or retract through rotating the sleeve 62, so that the top support plate 51 is stressed on the side wall of the round ball 43 through the connecting block 54, the connecting block 54 slides on the side wall of the round ball 43, the position of the top support plate 51 is adjusted, the top support plate 51 can be more attached to the bottom surface of the beam body, the beam body is supported by the top support plate 51 to be more stable, meanwhile, the beam body erected on the top support plate 51 is not in direct contact with the top support plate, the bottom surface of the beam body can be abutted against the plain round steel bars 52 arranged in the limiting groove 55 arranged in the top support plate 51, the contact area between the beam body and the top support plate 51 can be greatly reduced, meanwhile, the welded stop block 53 can balance the beam body, the beam body can not deviate, one-time pouring construction is required to be carried out on the side span without the folding section, after the whole side span beam body is poured, the side pier beam body can slide due to temperature and other factors, the beam body can slide on the smooth steel bars 52 at the moment, and the smooth steel bars 52 are rotationally connected with the top support plate 51, so that friction force between the smooth steel bars 52 and the top support plate 51 can be greatly reduced, the sliding requirement can be met, concrete cracking is prevented, the side pier beam body can slide due to temperature difference, the concrete cracking is prevented, and the side pier beam body is suitable for one-time casting construction of side spans of variable-section cast-in-situ box beams, so that the construction quality is guaranteed.
Compared with the related art, the support jacking device with the rolling type has the following beneficial effects:
the utility model provides a support jacking device with rolling, which can enable a supporting structure 4 to slide up and down in a supporting structure 2 by rotating a lifting structure 3, enable the supporting structure 4 to be adjusted to the position of a erection structure 5 connected with the top end of the supporting structure 4, enable the direction of the erection structure 5 to be laid along a longitudinal edge and a bridge, then erect a connection body on the erection structure 5, and because the inside of the erection structure 5 is provided with a smooth round steel bar 52, the smooth round steel bar 52 avoids the direct contact between a beam body and the erection structure 5, simultaneously greatly reduces the friction force between the beam body and the erection structure 5, can lightly adjust the erected beam body, meanwhile, the angle of the erection structure 5 can be changed by rotating the adjusting structure 6, in the construction of the cast-in-situ box girder of the bridge, the longitudinal and transverse gradient of the bridge is larger, the formwork support of the device can adapt to the change in height and the change in longitudinal and transverse gradient along the bridge, so that the device is convenient to adjust and can ensure the precision, the top support plate 51 on the erection structure 5 can freely move along with the poured concrete on the top support plate, and the finished concrete is prevented from being pulled and cracked due to shrinkage deformation and other reasons.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a take support jacking device of roll type which characterized in that includes:
a base (1);
the support structure (2), the support structure (2) is fixed in the center of the surface of the base (1), the support structure (2) comprises a hollow ejector rod (21), corner reinforcing blocks (22) and limiting blocks (23), the hollow ejector rod (21) is vertically fixed in the center of the surface of the base (1), the corner reinforcing blocks (22) are fixed on the side wall of the bottom end of the hollow ejector rod (21), and the limiting blocks (23) are fixed on the surface of the hollow ejector rod;
the lifting structure (3), the lifting structure (3) is arranged at the top end of the hollow ejector rod (21), the lifting structure (3) comprises a thread sleeve (31), a fixed block (32) and a sliding groove (33), the thread sleeve (31) is arranged at the top end of the hollow ejector rod (21), the fixed block (32) is fixed on the side wall of the thread sleeve (31), and the sliding groove (33) is arranged in the bottom surface of the thread sleeve (31);
the supporting structure (4), the supporting structure (4) is arranged at the top end of the threaded sleeve (31), the supporting structure (4) comprises a screw rod (41), a top block (42) and a ball (43), the screw rod (41) is arranged at the top end of the threaded sleeve (31), the top block (42) is fixed at the top end of the screw rod (41), and the ball (43) is fixed in the top block (42);
the erection structure (5), the erection structure (5) is installed on the top side wall of the ball (43), the erection structure (5) comprises a top supporting plate (51), smooth round steel bars (52) and a stop block (53), the top supporting plate (51) is installed on the top end of the ball (43), the smooth round steel bars (52) are installed in the middle of the inside of the top supporting plate (51), and the stop block (53) is fixed at two ends of the inside of the top supporting plate (51);
the adjusting structure (6), adjust structure (6) be fixed in the lateral wall of kicking block (42), adjust structure (6) include first dead lever (61), sleeve (62) and second dead lever (63), first dead lever (61) are fixed in the lateral wall of kicking block (42), sleeve (62) install in one end of first dead lever (61), second dead lever (63) connect in the other end of sleeve (62).
2. The support jacking device with rolling type according to claim 1, wherein the erection structure (5) further comprises a connecting block (54), a limiting groove (55) and a clamping groove (56), the connecting block (54) is fixed on the bottom surface of the jacking plate (51), the limiting groove (55) is arranged in the center of the jacking plate (51), and the clamping groove (56) is arranged at two ends of the bottom surface of the jacking plate (51).
3. The rolling bracket jacking device according to claim 2, wherein the jacking block (42) is concave in shape, the ball (43) slides inside the connecting block (54), and the connecting block (54) slides on the inner side wall of the jacking block (42).
4. The rolling bracket jacking device according to claim 2, wherein the jacking plate (51) is U-shaped, the round steel bar (52) rotates in the limiting groove (55), and the round steel bar (52) is rotatably connected with the jacking plate (51) through the limiting groove (55).
5. The bracket jacking device with rolling type according to claim 1, wherein the screw rod (41) is in threaded connection with the threaded sleeve (31), and the screw rod (41) slides inside the hollow ejector rod (21).
6. The support jacking device with rolling type according to claim 1, wherein the limiting block (23) slides in the sliding groove (33), and the hollow ejector rod (21) is rotatably connected with the threaded sleeve (31) through the limiting block (23).
7. The rolling bracket jacking device according to claim 1, wherein one end of the second fixing rod (63) is fixed to the edge of the bottom surface of the jacking plate (51), and two ends of the sleeve (62) are respectively in threaded connection with the second fixing rod (63) and the first fixing rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223353440.4U CN219490678U (en) | 2022-12-14 | 2022-12-14 | Support jacking device with rolling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223353440.4U CN219490678U (en) | 2022-12-14 | 2022-12-14 | Support jacking device with rolling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219490678U true CN219490678U (en) | 2023-08-08 |
Family
ID=87478305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223353440.4U Active CN219490678U (en) | 2022-12-14 | 2022-12-14 | Support jacking device with rolling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219490678U (en) |
-
2022
- 2022-12-14 CN CN202223353440.4U patent/CN219490678U/en active Active
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