CN218989931U - Auxiliary tool for unloading curved beam - Google Patents
Auxiliary tool for unloading curved beam Download PDFInfo
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- CN218989931U CN218989931U CN202320081189.6U CN202320081189U CN218989931U CN 218989931 U CN218989931 U CN 218989931U CN 202320081189 U CN202320081189 U CN 202320081189U CN 218989931 U CN218989931 U CN 218989931U
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- wedge block
- blocking seat
- unloading
- wedge
- auxiliary tool
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Abstract
The utility model provides a curved beam unloading auxiliary tool, which relates to the technical field of building construction, and comprises a first wedge block, a second wedge block, a third wedge block, a blocking seat structure and a pushing mechanism, wherein the first wedge block is arranged on a distribution beam, the second wedge block is arranged on a rigid shoveling pad, an upper inclined surface and a lower inclined surface of the third wedge block are respectively attached to the inclined surfaces of the first wedge block and the second wedge block, the blocking seat structure is detachably connected to the distribution beam, the pushing mechanism is arranged on the distribution beam, the pushing mechanism comprises a jack, and after the blocking seat structure is removed, the telescopic end of the jack is connected with the end part of the third wedge block towards the direction of the jack and is used for driving the third wedge block to slide relative to the first wedge block and the second wedge block. Compared with the prior art, the auxiliary tool for unloading the curved beam can enable the curved beam to be more convenient and controllable after rotating.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a landing auxiliary tool for a curved beam.
Background
A curved bridge is generally referred to as a curved bridge, i.e. a bridge with a planar shape that exhibits a certain curved shape. The curved beam bridge is erected by utilizing a curved beam, the curved beam is required to be unloaded onto the distribution beam after being rotated, and because the outer edge bending stress of the curved beam is larger than the inner edge bending stress compared with that of the linear beam, no matter what support arrangement scheme is adopted, torque always exists in the curved beam, so that the unloading requirement of the curved beam cannot be met by adopting a traditional unloading auxiliary tool, the traditional unloading auxiliary tool is complex in unloading procedure, and the unloading process is uncontrollable.
Disclosure of Invention
The utility model aims to solve the problems that: how to provide a more convenient and controllable auxiliary unloading tool for beam falling after a curved beam rotates.
The utility model provides an auxiliary unloading tool for a curved beam, which comprises the following components: the device comprises a first wedge block, a second wedge block, a third wedge block, a blocking seat structure and a pushing mechanism, wherein the first wedge block is used for being arranged on a distribution beam, the second wedge block is used for being arranged on a rigid shoveling pad, the third wedge block is arranged between the first wedge block and the second wedge block, an upper inclined surface and a lower inclined surface of the third wedge block are respectively attached to the inclined surfaces of the first wedge block and the second wedge block, the blocking seat structure is used for being detachably connected to the distribution beam, the blocking seat structure is used for limiting the first wedge block, the second wedge block and the third wedge block, the pushing mechanism is used for being arranged on the distribution beam, the pushing mechanism comprises a jack, and after the blocking seat structure is removed, the telescopic end of the jack is used for being connected with the third wedge block towards the end part of the jack direction and is used for driving the third wedge block to slide relative to the first wedge block and the second wedge block.
Compared with the prior art, the auxiliary tool for unloading the curved beam has the following beneficial effects:
when the auxiliary tool for unloading the curved beam is used for erecting the beam, the first wedge block is firstly arranged on the distribution beam, the second wedge block is arranged on the bottom surface of the rigid shoveling pad, which faces the direction of the first wedge block, the upper inclined surface and the lower inclined surface of the third wedge block are respectively attached to the inclined surfaces of the first wedge block and the second wedge block, then the first wedge block, the second wedge block and the third wedge block are abutted and limited through the baffle seat structure, and the third wedge block is prevented from sliding relative to the first wedge block and the second wedge block in the girder erecting process; when the beam is dismounted, the blocking seat structure is firstly dismounted from the distribution beam, then the pushing mechanism is mounted on the distribution beam, the telescopic end of the jack is connected with the end part of the third wedge block towards the jack direction, and then the third wedge block is driven to slide relative to the first wedge block and the second wedge block through the jack, so that the beam is dismounted according to a preset unloading stroke. Compared with the prior art, the auxiliary tool for unloading the curved beam can enable the curved beam to be more convenient and controllable after rotating.
Optionally, the pushing mechanism further includes a reaction seat, the reaction seat is used for being connected with the distribution beam, and the fixed end of the jack is connected with the reaction seat.
Optionally, the pushing mechanism further comprises a sliding beam, the sliding beam is used for being connected to the distribution beam in a sliding mode, and the sliding beam is used for being detachably connected between the telescopic end of the jack and the end portion, facing the jack direction, of the third wedge block.
Optionally, the blocking seat structure includes a first blocking seat and a second blocking seat, the first blocking seat and the second blocking seat are used for being detachably connected to the distribution beam, the first blocking seat and the second blocking seat are located between the first wedge block, the second wedge block and the third wedge block, and the first blocking seat and the second blocking seat are used for being abutted to the first wedge block, the second wedge block and the third wedge block.
Optionally, the first baffle seat is directed towards the first wedge block, the second wedge block and the side face in the direction of the third wedge block is provided with a groove structure, and the end part of the third wedge block directed towards the first baffle seat is used for being abutted in the groove structure.
Optionally, the device further comprises a leveling pad, wherein the lower surface of the leveling pad is used for being in contact with the distribution beam, and the upper surface of the leveling pad is used for being in contact with the lower surface of the first wedge block.
Optionally, a sliding surface friction coefficient between the third wedge block and the first wedge block and the second wedge block is 0.1 to 0.15.
Optionally, the self-locking angles of the first wedge block, the second wedge block and the third wedge block are all 4-6 degrees.
Optionally, the first wedge block and the second wedge block have the same structure and are both in a right trapezoid structure.
Optionally, the third wedge block has an isosceles trapezoid structure.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary tool for unloading a curved beam according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram II of an auxiliary tool for unloading a curved beam according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram III of an auxiliary tool for unloading a curved beam according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of self-locking angles of the first wedge block, the third wedge block and the second wedge block according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a first wedge block; 3. a second wedge block; 2. a third wedge; 41. a first baffle seat; 42. a second baffle seat; 51. a jack; 52. a counterforce seat; 53. a sliding beam; 6. a distribution beam; 7. a rigid shoveling pad; 8. a curved beam.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Moreover, in the drawings, the Z axis represents vertical, i.e., up and down, and the positive direction of the Z axis (i.e., the arrow of the Z axis points) represents up, and the negative direction of the Z axis (i.e., the direction opposite to the positive direction of the Z axis) represents down; the X-axis in the drawing represents the lateral direction, i.e., the left-right position, and the positive direction of the X-axis (i.e., the arrow pointing along the X-axis) represents the right, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the left.
It should also be noted that the foregoing Z-axis and X-axis are meant to be illustrative only and to simplify the description of the present utility model, and are not meant to indicate or imply that the devices or elements referred to must be in a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 3, the auxiliary tool for unloading a curved beam according to an embodiment of the present utility model includes: the device comprises a first wedge block 1, a second wedge block 3, a third wedge block 2, a baffle seat structure and a pushing mechanism, wherein the first wedge block 1 is used for being arranged on a distribution beam 6, the second wedge block 3 is used for being arranged on a rigid shoveling pad 7, the third wedge block 2 is arranged between the first wedge block 1 and the second wedge block 3, an upper inclined surface and a lower inclined surface of the third wedge block 3 are respectively attached to the inclined surfaces of the first wedge block 1 and the second wedge block 2, the baffle seat structure is used for being detachably connected to the distribution beam 6, the baffle seat structure is used for limiting the first wedge block 1, the second wedge block 3 and the third wedge block 2, the pushing mechanism is used for being arranged on the distribution beam 6, the pushing mechanism comprises a jack 51, after the baffle seat structure is removed, a telescopic end of the jack 51 is used for being connected with an end part of the third wedge block 3 in the direction of the jack 51, and is used for driving the third wedge block 2 to slide relative to the first wedge block 1 and the second wedge block 3.
In this embodiment, as shown in fig. 1 to 3, when erecting a beam, first wedge 1 is mounted on distribution beam 6, second wedge 3 is mounted on the bottom surface of rigid shoveling pad 7 facing first wedge 1 (opposite direction of Z-axis in fig. 2), rigid shoveling pad 7 is used for supporting curved beam 8, upper and lower (opposite direction of Z-axis in fig. 2) inclined surfaces of third wedge 2 are respectively attached to inclined surfaces of first wedge 1 and second wedge 3, then first wedge 1, second wedge 3 and third wedge 2 are subjected to abutting limiting (opposite direction of X-axis in fig. 2) through a blocking seat structure, so that third wedge 2 is prevented from sliding relative to first wedge 1 and second wedge 3 in the process of erecting the beam; during beam unloading, the blocking seat structure is firstly detached from the distribution beam, then the pushing mechanism is arranged on the distribution beam, the telescopic end of the jack 51 is connected with the end part of the third wedge block 2 towards the direction of the jack 51 (X-axis direction in the attached drawing 1), and then the third wedge block 2 is driven to slide relative to the first wedge block 1 and the second wedge block 3 through the jack 51, so that the beam unloading is performed according to a preset unloading stroke. The auxiliary tool for unloading the curved beam can enable the curved beam to be more convenient and controllable after rotating.
In the working process, the auxiliary unloading tool for the curved beam can be arranged on different suspension piecing fulcrums according to different working conditions. In addition, when the baffle seat structure is disassembled, the sliding surface of the third wedge-shaped block 3 needs to be ensured not to be scratched.
In other embodiments, in order to prevent the third wedge block 2 from sliding relative to the first wedge block 1 and the second wedge block 3 during girder erection, the fixing plate may be connected to the side surfaces of the first wedge block 1, the second wedge block 3 and the third wedge block 2, and the fixing plate may be welded or bolted to the first wedge block 1, the second wedge block 3 and the third wedge block 2, and it should be noted that the fixing plate needs to be removed during girder unloading.
Optionally, the pushing mechanism further includes a reaction seat 52, the reaction seat 52 is used for being connected with the distribution beam 6, and the fixed end of the jack 51 is connected to the reaction seat 52.
In this embodiment, as shown in fig. 1, the reaction seat 52 is mounted on the distribution beam 6 when being used for beam unloading, the reaction seat 52 can be connected to the distribution beam 6 by a bolt connection mode, wherein a high-strength bolt can be selected as the bolt to ensure the supporting strength of the reaction seat 52, and the fixed end of the jack 51 can be connected to the side surface (the positive direction of the X axis in fig. 1) of the reaction seat 52 by the bolt.
Optionally, the pushing mechanism further comprises a sliding cross beam 53, wherein the sliding cross beam 53 is used for being slidingly connected to the distribution beam 6, and the sliding cross beam 53 is used for being detachably connected between the telescopic end of the jack 51 and the end of the third wedge block 3 facing the direction of the jack 51.
In this embodiment, as shown in fig. 1, the sliding beam 53 may be slidably connected to the distributing beam 6 through a sliding rail, the telescopic end of the jack 51 may be connected to a side of the sliding beam 53 facing the direction of the jack 51 (opposite to the X axis in fig. 1) through a detachable connection manner, and the third wedge block 2 may be connected to a side of the sliding beam 53 facing the direction of the third wedge block 2 through a bolt, so that the jack 51 may conveniently drive the third wedge block 2 to move through setting the sliding beam 53, and the jack 51 and the third wedge block 2 do not need to be located on the same axis, which is convenient and fast to install.
Optionally, the blocking seat structure includes a first blocking seat 41 and a second blocking seat 42, where the first blocking seat 41 and the second blocking seat 42 are used to be detachably connected to the distribution beam 6, the first blocking seat 41 and the second blocking seat 42 are located between the first wedge block 1, the second wedge block 2 and the third wedge block 3, and the first blocking seat 41 and the second blocking seat 42 are used to be abutted to the first wedge block 1, the second wedge block 2 and the third wedge block 3.
In this embodiment, referring to fig. 2, during girder erection, the first blocking seat 41 and the second blocking seat 42 may be mounted on the distribution beam 6 in a detachable connection manner through bolts, the first blocking seat 41 and the second blocking seat 42 are symmetrically disposed on two sides (X-axis direction in fig. 2) of the first wedge block 1, the second wedge block 2 and the third wedge block 3, and the first blocking seat 41 and the second blocking seat 42 are respectively abutted on the first wedge block 1, the second wedge block 2 and the third wedge block 3 to prevent the third wedge block 3 from sliding relative to the first wedge block 1 and the second wedge block 2 during girder erection.
Optionally, the side surfaces of the first baffle seat 41 facing the directions of the first wedge block 1, the second wedge block 3 and the third wedge block 2 are provided with groove structures, and the end part of the third wedge block 2 facing the direction of the first baffle seat 41 is used for being abutted in the groove structures.
In this embodiment, as shown in fig. 2, since the overall length of the third wedge 2 is longer than the overall lengths of the first wedge 1 and the second wedge 3, the first blocking seat 41 is configured with a groove structure on the side surface facing the first wedge 1, the second wedge 3 and the third wedge 2, so that the first blocking seat 41 can be simultaneously abutted against the first wedge 1, the second wedge 3 and the third wedge 2.
Optionally, the auxiliary unloading tool for the curved beam further comprises a leveling cushion block, wherein the lower surface of the leveling cushion block is used for being in contact with the distribution beam 6, and the upper surface of the leveling cushion block is used for being in contact with the lower surface of the first wedge block 1.
In this embodiment, since there may be a recess or a protrusion on the upper surface of the distribution beam 6, before the first wedge block 1 is installed, the leveling pad needs to be installed on the distribution beam 6, so that the first wedge block 1 installed on the distribution beam 6 can be ensured to be in a horizontal state, and if the first wedge block 1 is inclined, the horizontal component force is large, so that the beam unloading operation is inconvenient.
Optionally, the sliding surface friction coefficient between the third wedge block 2 and the first wedge block 1 and the second wedge block 3 is 0.1 to 0.15.
In this embodiment, the coefficient of friction refers to the ratio of the friction between two surfaces to the perpendicular force acting on one surface thereof. The friction coefficient of the sliding surface between the third wedge block 2 and the first wedge block 1 and the second wedge block 3 is preferably between 0.1 and 0.15, and the beam unloading operation is directly influenced by the fact that the friction coefficient is too large or too small.
Optionally, the self-locking angles of the first wedge block 1, the second wedge block 3 and the third wedge block 2 are all 4-6 degrees.
In this embodiment, as shown in fig. 4, the self-locking angle of the first wedge block 1, the second wedge block 3 and the third wedge block 2 is preferably 4 degrees to 6 degrees, for example, the self-locking angle is 5 degrees, if the self-locking angle is too large, the horizontal component force is correspondingly increased, and by setting the self-locking angle to 5 degrees, the horizontal component force can be overcome to a certain extent.
Optionally, the first wedge block 1 and the second wedge block 3 have the same structure and are both in right trapezoid structures.
In this embodiment, as shown in fig. 1 or fig. 2, the first wedge block 1 and the second wedge block 3 have two right trapezoid structures, the right-angle side of the first wedge block 1 is used for contacting with the distributing beam 6, and the oblique side of the first wedge block 1 is used for contacting with the oblique side of the third wedge block 2; the right-angle side of the second wedge 3 is intended to be in contact with the rigid pad 7 and the oblique side of the second wedge 3 is intended to be in contact with the oblique side of the third wedge 2.
Optionally, the third wedge block 2 has an isosceles trapezoid structure.
In this embodiment, as shown in fig. 1 or fig. 2, the third wedge block 2 has an isosceles trapezoid structure, and two oblique sides of the third wedge block 32 are used to contact with the oblique sides of the first wedge block 1 and the second wedge block 3, and can slide relatively.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. Auxiliary fixtures falls in unloading of curved roof beam, its characterized in that includes: the novel lifting jack comprises a first wedge block (1), a second wedge block (3), a third wedge block (2), a blocking seat structure and a pushing mechanism, wherein the first wedge block (1) is arranged on a distribution beam (6), the second wedge block (3) is arranged on a rigid shoveling pad (7), the third wedge block (2) is arranged between the first wedge block (1) and the second wedge block (3), the upper inclined surface and the lower inclined surface of the third wedge block (2) are respectively attached to the inclined surfaces of the first wedge block (1) and the second wedge block (3), the blocking seat structure is used for being detachably connected to the distribution beam (6), the blocking seat structure is used for limiting the first wedge block (1), the second wedge block (3) and the third wedge block (2), the pushing mechanism is used for being arranged on the distribution beam (6), the mechanism comprises a jack (51), and after the blocking seat structure is detached from the first wedge block (1) and the third wedge block (3) is used for being connected to the end part of the third wedge block (51) in a sliding direction opposite to the first wedge block (1).
2. The auxiliary tool for unloading a curved beam according to claim 1, wherein the pushing mechanism further comprises a reaction seat (52), the reaction seat (52) is used for being connected with the distribution beam (6), and the fixed end of the jack (51) is connected with the reaction seat (52).
3. The auxiliary tool for unloading a curved beam according to claim 1, wherein the pushing mechanism further comprises a sliding cross beam (53), the sliding cross beam (53) is used for being slidingly connected to the distribution beam (6), and the sliding cross beam (53) is used for being detachably connected between a telescopic end of the jack (51) and an end of the third wedge block (2) facing the direction of the jack (51).
4. The auxiliary tool for unloading a curved beam according to claim 1, wherein the blocking seat structure comprises a first blocking seat (41) and a second blocking seat (42), the first blocking seat (41) and the second blocking seat (42) are detachably connected to the distribution beam (6), the first blocking seat (41) and the second blocking seat (42) are respectively arranged on two opposite sides of the first wedge block (1), the second wedge block (3) and the third wedge block (2), and the first blocking seat (41) and the second blocking seat (42) are used for being abutted to the first wedge block (1), the second wedge block (3) and the third wedge block (2).
5. The auxiliary tool for unloading the curved beam according to claim 4, wherein the first blocking seat (41) faces the first wedge block (1), the second wedge block (3) and the side face of the third wedge block (2) in the direction, and the end part of the third wedge block (2) faces the first blocking seat (41) in the direction is used for being abutted in the groove structure.
6. The auxiliary tool for unloading a curved beam according to claim 1, further comprising a leveling pad, the lower surface of which is adapted to be in contact with the distribution beam (6), and the upper surface of which is adapted to be in contact with the lower surface of the first wedge (1).
7. The auxiliary tool for unloading the curved beam according to claim 1, wherein the friction coefficient of the sliding surface between the third wedge block (2) and the first wedge block (1) and the second wedge block (3) is 0.1 to 0.15.
8. The auxiliary tool for unloading the curved beam according to claim 1, wherein the self-locking angles of the first wedge block (1), the second wedge block (3) and the third wedge block (2) are all 4-6 degrees.
9. The auxiliary tool for unloading the curved beam according to claim 1, wherein the first wedge block (1) and the second wedge block (3) have the same structure and are in right trapezoid structures.
10. The auxiliary tool for unloading the curved beam according to claim 1, wherein the third wedge block (2) has an isosceles trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081189.6U CN218989931U (en) | 2023-01-12 | 2023-01-12 | Auxiliary tool for unloading curved beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081189.6U CN218989931U (en) | 2023-01-12 | 2023-01-12 | Auxiliary tool for unloading curved beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989931U true CN218989931U (en) | 2023-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081189.6U Active CN218989931U (en) | 2023-01-12 | 2023-01-12 | Auxiliary tool for unloading curved beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218989931U (en) |
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2023
- 2023-01-12 CN CN202320081189.6U patent/CN218989931U/en active Active
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