Wedge-shaped height-adjusting type lifting structure for bridge construction

Abstract

The utility model provides a wedge-shaped height-adjusting type lifting structure for bridge construction, which comprises a base block, a top block, a left wedge-shaped extrusion block, a right wedge-shaped extrusion block and a plurality of left-right threaded pull rods, guide inclined planes are arranged at the left end and the right end of the base block, and right guide inclined planes are arranged at the left end and the right end of the top block. The left wedge-shaped extrusion block abuts against the base block and the guide slope at the left end of the top, the right wedge-shaped extrusion block abuts against the base block and the guide slope at the left end of the top, two clamping nuts are connected to the left-right threaded pull rod in a threaded mode, and the left-right threaded pull rod is arranged on the left wedge-shaped extrusion block and the right wedge-shaped extrusion block in a penetrating mode at the same time. And the left wedge-shaped extrusion block and the right wedge-shaped top extrusion block are clamped by the two left clamping nuts. The utility model aims to provide a wedge-shaped height-adjusting type lifting structure for bridge construction, which is used for realizing object lifting during bridge construction.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a wedge-shaped height-adjusting lifting structure for bridge construction. Background Art

[0002] During the construction of a bridge, it is often necessary to adjust the height of related components to meet construction requirements. After the construction is completed, the components for lifting are removed. The existing components for lifting are usually jacks. Due to the small end of the jack, the stability during lifting is poor and it is easy to leak oil and fail. Utility Model Content

[0003] The utility model aims to provide a wedge-shaped height-adjusting lifting structure for bridge construction, which is used for realizing the lifting of objects during bridge construction.

[0004] In order to achieve the above-mentioned utility model object, the utility model adopts the following technology: a wedge-shaped height-adjusting lifting structure for bridge construction, comprising a base block, a top block, a left wedge-shaped extrusion block, a right wedge-shaped top extrusion block and a plurality of left and right threaded pull rods, the left end of the base block is provided with a left guide inclined surface of the base block portion with its right end inclined upward, and the right end is provided with a right guide inclined surface of the base block portion with its left end inclined upward, the left end of the top block is provided with a left guide inclined surface of the top block portion with its right end inclined downward, and the right end is provided with a right guide inclined surface of the top block portion with its left end inclined downward, the right end of the upper end face of the left wedge-shaped extrusion block is provided with an upper guide inclined surface of the left wedge-shaped extrusion block portion with its right end downward, the right end of the lower end face is provided with a lower guide inclined surface of the left wedge-shaped extrusion block portion with its right end upward, and the left end of the upper end face of the right wedge-shaped extrusion block is provided with an upper guide inclined surface of the right wedge-shaped extrusion block portion with its left end downward The left end of the inclined surface and the lower end surface is provided with a lower guide inclined surface of the right wedge-shaped extrusion block with the left end facing upward, and the left clamping nut and the right clamping nut are threadedly connected on the left and right threaded tie rods. The left and right threaded tie rods are simultaneously penetrated on the left and right wedge-shaped extrusion blocks, and the left clamping nut abuts on the left end surface of the left wedge-shaped extrusion block, and the right clamping nut abuts on the right end surface of the right wedge-shaped top extrusion block. The left guide inclined surface of the base block is supported on the lower guide inclined surface of the left wedge-shaped extrusion block, the right guide inclined surface of the base block is supported on the lower guide inclined surface of the right wedge-shaped extrusion block, the left guide inclined surface of the top block is supported on the upper guide inclined surface of the left wedge-shaped extrusion block, and the right guide inclined surface of the top block is supported on the upper guide inclined surface of the right wedge-shaped extrusion block. When in use, the left and right clamping nuts are rotated to separate and combine the left wedge-shaped extrusion block and the right wedge-shaped top extrusion block, thereby lifting and lowering the upper blocks, so as to achieve height adjustment so that reliable support can be achieved during bridge construction.

[0005] Preferably, there are two left-right threaded pull rods, and the two left-right threaded pull rods are located on the same plane and distributed along the front-back direction, so as to improve the structural strength.

[0006] The top block comprises a horizontal top plate, an upper left inclined plate, an upper right inclined plate, an upper front side plate whose upper end is connected to the rear end of the horizontal top plate and whose upper end is connected to the front end of the horizontal top plate, the lower surface of the upper left inclined plate constitutes the left guide inclined surface of the top block part, the front and rear ends of the upper left inclined plate are respectively connected to the upper front side plate and the upper rear side plate, the lower surface of the upper right inclined plate constitutes the right guide inclined surface of the top block part, and the front and rear ends of the upper right inclined plate are respectively connected to the upper front side plate and the upper rear side plate; the base block comprises a horizontal bottom plate, a lower rear side plate connected at the lower end to the rear end of the horizontal bottom plate, a lower front side plate connected at the lower end to the front end of the horizontal bottom plate, a lower left inclined plate and a lower right inclined plate, the upper surface of the lower left inclined plate constitutes the left guide inclined surface of the base block part, the front and rear ends of the lower left inclined plate are respectively connected to the lower front side plate and the lower rear side plate, the upper surface of the lower right inclined plate constitutes the right guide inclined surface of the base block part, and the front and rear ends of the lower right inclined plate are respectively connected to the lower front side plate and the lower rear side plate. It can ensure structural strength and reduce weight.

[0007] Preferably, the left end of the upper left inclined plate is connected to the left end of the top plate through the upper left plate, and the right end of the upper right inclined plate is connected to the right end of the top plate through the upper right plate; the left end of the lower left inclined plate is connected to the left end of the bottom plate through the lower left plate, and the right end of the lower right inclined plate is connected to the right end of the bottom plate through the lower right plate. When the left and right dimensions of the upper base block and the top block are short, the upper base block and the top block can be raised and lowered greatly.

[0008] Preferably, the right end of the upper left inclined plate is connected to the left end of the upper right inclined plate, the upper left inclined plate is provided with an upper left opening, the upper right inclined plate is provided with an upper right opening, the top plate, the upper front side plate, the upper rear side plate, the upper left side plate, the upper left inclined plate, the upper right inclined plate and the upper right side plate form an upper storage cavity; the right end of the lower left inclined plate is connected to the left end of the lower right inclined plate, the lower left inclined plate is provided with a lower left opening, the lower right inclined plate is provided with a lower right opening, the bottom plate, the lower front side plate, the lower rear side plate, the lower left side plate, the lower left inclined plate, the lower right inclined plate and the lower right side plate form a lower storage cavity. The structure has high strength.

[0009] Preferably, the upper storage chamber is provided with an upper left partition and an upper right partition, the lower end of the upper left partition is aligned with the upper left opening, and the lower end of the upper right partition is aligned with the upper right opening; the lower storage chamber is provided with a lower left partition and a lower right partition, the upper end of the lower left partition is aligned with the lower left opening, and the upper end of the lower right partition is aligned with the lower right opening. This can improve the structural strength.

[0010] Preferably, both the upper storage chamber and the lower storage chamber are poured with concrete, so that the structural strength can be improved in an economical way.

[0011] Preferably, the left wedge-shaped extrusion block and the right wedge-shaped top extrusion block are both hollow structures.

[0012] Preferably, the inner cavity of the left wedge-shaped extrusion block is provided with a left supporting sleeve connected to the left end wall and the right end of the left wedge-shaped extrusion block, and the left-right threaded pull rod is passed through the left supporting sleeve; the inner cavity of the right wedge-shaped extrusion block is provided with a right supporting sleeve connected to the left end wall and the right end of the right wedge-shaped extrusion block, and the left-right threaded pull rod is passed through the right supporting sleeve.

[0013] Beneficial effects: The lifting can be easily realized, making the lifting during the bridge construction process convenient, economical and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model when it is in a contracted state;

[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model in a contracted state;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when it is in an elevated state;

[0017] Figure 4 It is a cross-sectional schematic diagram of the utility model when it is in a raised state.

[0018] In the figure: left and right threaded pull rods, guide screw 2 are connected together, left clamping nut 3, right clamping nut 4, horizontal top plate 5, upper left inclined plate 6, upper right inclined plate 7, upper rear side plate 8, upper front side plate 9, upper left side plate 10, upper right side plate 11, upper left opening 12, upper right opening 13, upper left partition 14, upper right partition 15, horizontal bottom plate 16, lower rear side plate 17, lower front side plate 18, lower left inclined plate 19, lower right inclined plate 20, lower left side plate 21, lower right side plate 22, lower left opening 23, lower right opening 24, lower left partition 25, lower right partition 26, left support sleeve 27, right support sleeve 28, left wedge-shaped extrusion block 29, right wedge-shaped top extrusion block 30. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1 to 4A wedge-shaped height-adjustable lifting structure for bridge construction includes a base block, a top block, a left wedge-shaped extrusion block 29, a right wedge-shaped top extrusion block 30, and two or more left and right threaded tie rods. The base block and the top block are connected together by a guide screw 2. The left end of the base block is provided with a left guide slope of the base block portion with the right end tilted upward, and the right end is provided with a right guide slope of the base block portion with the left end tilted upward. The left end of the top block is provided with a left guide slope of the top block portion with the right end tilted downward, and the right end is provided with a right guide slope of the top block portion with the left end tilted downward. The right end of the upper end face of the left wedge-shaped extrusion block is provided with an upper guide slope of the left wedge-shaped extrusion block portion with the right end downward, and the right end of the lower end face is provided with a lower guide slope of the left wedge-shaped extrusion block portion with the right end upward. The left end of the upper end face of the right wedge-shaped extrusion block is provided with an upper guide slope of the right wedge-shaped extrusion block portion with the left end downward, and the left end of the lower end face is provided with a lower guide slope of the right wedge-shaped extrusion block portion with the left end upward. The left clamping nut 3 and the right clamping nut 4 are threadedly connected on the left and right threaded tie rods. The left and right threaded tie rods are simultaneously passed through the left wedge-shaped extrusion block and the right wedge-shaped extrusion block. The left clamping nut abuts against the left end face of the left wedge-shaped extrusion block, and the right clamping nut abuts against the right end face of the right wedge-shaped top extrusion block. The left guide slope of the base block is supported on the lower guide slope of the left wedge-shaped extrusion block, the right guide slope of the base block is supported on the lower guide slope of the right wedge-shaped extrusion block, the left guide slope of the top block is supported on the upper guide slope of the left wedge-shaped extrusion block, and the right guide slope of the top block is supported on the upper guide slope of the right wedge-shaped extrusion block. When in use, the left and right clamping nuts are rotated to separate and combine the left wedge-shaped extrusion block and the right wedge-shaped top extrusion block, thereby lifting and lowering the top blocks, thereby realizing height adjustment so that reliable support can be achieved during bridge construction. The two left and right threaded tie rods are located on the same plane and distributed along the front-to-back direction. The top block comprises a horizontal top plate 5, an upper left inclined plate 6, an upper right inclined plate 7, an upper rear side plate 8 whose upper end is connected to the rear end of the horizontal top plate, and an upper front side plate 9 whose upper end is connected to the front end of the horizontal top plate. The lower surface of the upper left inclined plate constitutes a left guide inclined surface of the top block portion. The front and rear ends of the upper left inclined plate are respectively connected to the upper front side plate and the upper rear side plate. The lower surface of the upper right inclined plate constitutes a right guide inclined surface of the top block portion. The front and rear ends of the upper left inclined plate are respectively connected to the upper front side plate and the upper rear side plate. The left end of the upper left inclined plate is connected to the left end of the top plate through the upper left side plate 10, and the right end of the upper right inclined plate is connected to the right end of the top plate through the upper right side plate 11. The right end of the upper left inclined plate is connected to the left end of the upper right inclined plate. The upper left inclined plate is provided with an upper left opening 12, and the upper right inclined plate is provided with an upper right opening 13. The top plate, the upper front side plate, the upper rear side plate, the upper left plate, the upper left inclined plate, the upper right inclined plate and the upper right side plate form an upper storage cavity. The upper storage chamber is provided with a left upper partition 14 and a right upper partition 15, the lower end of the left upper partition is aligned with the upper left opening, and the lower end of the right upper partition is aligned with the upper right opening. The right concrete is poured in the upper storage chamber.

[0021] The base block includes a horizontal base plate 16, a lower rear side plate 17 whose lower end is connected to the rear end of the horizontal base plate, a lower front side plate 18 whose lower end is connected to the front end of the horizontal base plate, a lower left inclined plate 19 and a lower right inclined plate 20. The upper surface of the lower left inclined plate constitutes a left guide inclined surface of the base block part. The front and rear ends of the lower left inclined plate are respectively connected to the lower front side plate and the lower rear side plate. The upper surface of the lower right inclined plate constitutes a right guide inclined surface of the base block part. The front and rear ends of the lower right inclined plate are respectively connected to the lower front side plate and the lower rear side plate. The left end of the lower left inclined plate is connected to the left end of the base plate through the lower left side plate 21, and the right end of the lower right inclined plate is connected to the right end of the base plate through the lower right side plate 22. The right end of the lower left inclined plate is connected with the left end of the lower right inclined plate. The lower left inclined plate is provided with a lower left opening 23, and the lower right inclined plate is provided with a lower right opening 24. The bottom plate, the lower front side plate, the lower rear side plate, the lower left side plate, the lower left inclined plate, the lower right inclined plate and the lower right side plate form a lower storage cavity. A left lower partition 25 and a right lower partition 26 are provided in the lower storage cavity. The upper end of the left lower partition is aligned with the lower left opening, and the upper end of the right lower partition is aligned with the lower right opening. Right concrete is poured in the lower storage cavity. The left wedge-shaped extrusion block and the right wedge-shaped top extrusion block are both hollow structures. A left support sleeve 27 connected to the left end wall and the right end of the left wedge-shaped extrusion block is provided in the inner cavity of the left wedge-shaped extrusion block, and the left and right threaded pull rods are inserted in the left support sleeve; a right support sleeve 28 connected to the left end wall and the right end of the right wedge-shaped extrusion block is provided in the inner cavity of the right wedge-shaped extrusion block, and the left and right threaded pull rods are inserted in the right support sleeve.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] Although 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 wedge-shaped height-adjustable lifting structure for bridge construction, characterized in that: The invention comprises a base block, a top block, a left wedge-shaped extrusion block, a right wedge-shaped top extrusion block and a plurality of left and right threaded pull rods, wherein the left end of the base block is provided with a left guide inclined surface of the base block part with the right end inclined upward, and the right end is provided with a right guide inclined surface of the base block part with the left end inclined upward, the left end of the top block is provided with a left guide inclined surface of the top block part with the right end inclined downward, and the right end is provided with a right guide inclined surface of the top block part with the left end inclined downward, the right end of the upper end surface of the left wedge-shaped extrusion block is provided with an upper guide inclined surface of the left wedge-shaped extrusion block part with the right end downward, and the right end of the lower end surface is provided with a lower guide inclined surface of the left wedge-shaped extrusion block part with the right end upward, the left end of the upper end surface of the right wedge-shaped extrusion block is provided with an upper guide inclined surface of the right wedge-shaped extrusion block part with the left end downward, and the left end of the lower end surface is provided with a right wedge-shaped extrusion block part with the left end upward. The left and right threaded pull rods are threadedly connected with a left clamping nut and a right clamping nut, and the left and right threaded pull rods are simultaneously passed through the left wedge-shaped extrusion block and the right wedge-shaped extrusion block, the left clamping nut abuts against the left end surface of the left wedge-shaped extrusion block, and the right clamping nut abuts against the right end surface of the right wedge-shaped top extrusion block, the left guide inclined surface of the base block part is supported on the lower guide inclined surface of the left wedge extrusion block part, the right guide inclined surface of the base block part is supported on the lower guide inclined surface of the right wedge extrusion block part, the left guide inclined surface of the top block part is supported on the upper guide inclined surface of the left wedge extrusion block part, and the right guide inclined surface of the top block part is supported on the upper guide inclined surface of the right wedge extrusion block part.

2. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 1, characterized in that: There are two left-right threaded pull rods, and the two left-right threaded pull rods are located on the same plane and distributed along the front-back direction.

3. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 1 or 2, characterized in that: The top block comprises a horizontal top plate, an upper left inclined plate, an upper right inclined plate, an upper rear side plate connected at an upper end to the rear end of the horizontal top plate, and an upper front side plate connected at an upper end to the front end of the horizontal top plate, the lower surface of the upper left inclined plate constitutes the left guide inclined surface of the top block part, the front and rear ends of the upper left inclined plate are respectively connected to the upper front side plate and the upper rear side plate, the lower surface of the upper right inclined plate constitutes the right guide inclined surface of the top block part, and the front and rear ends of the lower right inclined plate are respectively connected to the upper front side plate and the lower rear side plate.

4. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 3, characterized in that: The left end of the upper left inclined plate is connected to the left end of the top plate through the upper left plate, and the right end of the upper right inclined plate is connected to the right end of the top plate through the upper right plate; the left end of the lower left inclined plate is connected to the left end of the bottom plate through the lower left plate, and the right end of the lower right inclined plate is connected to the right end of the bottom plate through the lower right plate.

5. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 4, characterized in that: The right end of the upper left inclined plate is connected to the left end of the upper right inclined plate, the upper left inclined plate is provided with an upper left opening, the upper right inclined plate is provided with an upper right opening, and the top plate, upper front side plate, upper rear side plate, upper left plate, upper left inclined plate, upper right inclined plate and upper right side plate form an upper storage cavity; the right end of the lower left inclined plate is connected to the left end of the lower right inclined plate, the lower left inclined plate is provided with a lower left opening, the lower right inclined plate is provided with a lower right opening, and the bottom plate, lower front side plate, lower rear side plate, lower left plate, lower left inclined plate, lower right inclined plate and lower right side plate form a lower storage cavity.

6. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 5, characterized in that: The upper storage chamber is provided with an upper left partition and an upper right partition, the lower end of the upper left partition is aligned with the upper left opening, and the lower end of the upper right partition is aligned with the upper right opening; the lower storage chamber is provided with a lower left partition and a lower right partition, the upper end of the lower left partition is aligned with the lower left opening, and the upper end of the lower right partition is aligned with the lower right opening.

7. The wedge-shaped height-adjustable lifting structure for bridge construction according to claim 5, characterized in that: The upper storage cavity and the lower storage cavity are both poured with right concrete.

8. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 1 or 2, characterized in that: The left wedge-shaped extrusion block and the right wedge-shaped top extrusion block are both hollow structures.

9. A wedge-shaped height-adjustable lifting structure for bridge construction according to claim 8, characterized in that: The inner cavity of the left wedge-shaped extrusion block is provided with a left supporting sleeve connected to the left end wall and the right end of the left wedge-shaped extrusion block, and the left-right threaded pull rod is passed through the left supporting sleeve; the inner cavity of the right wedge-shaped extrusion block is provided with a right supporting sleeve connected to the left end wall and the right end of the right wedge-shaped extrusion block, and the left-right threaded pull rod is passed through the right supporting sleeve.

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