Precast beam pedestal

Abstract

The utility model discloses a precast beam pedestal, and relates to the technical field of beam pedestals, the precast beam pedestal comprises a slide rail, a base, rollers, a supporting plate and sleepers, the two sides of the base are fixedly connected with slide blocks respectively, the top of the slide rail is provided with two horizontal grooves, and the two slide blocks are slidably connected to the two horizontal grooves respectively; a mounting groove is formed in each sliding block, through holes are formed in the two sides of each mounting groove respectively, an abutting block is slidably connected into each through hole, and the abutting blocks abut against the side walls of the horizontal grooves; a driving mechanism used for driving the abutting block to move towards the outside of the through hole is mounted in the mounting groove, and a reset mechanism used for driving the abutting block to reset towards the inside of the through hole is mounted at one end of the through hole. The base can be conveniently limited, so that the stability of the base can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of beam seats, in particular to a prefabricated beam seat. BACKGROUND

[0002] At present, prefabricated beam seats are widely used in highway, bridge and building engineering. Traditional prefabricated beam seats are mostly cast in place, and have problems of insufficient bearing capacity, short service life, low reuse rate and the like. With the development of engineering technology, the demand for prefabricated beam seats is higher and higher, and the prefabricated beam seats are required to have the characteristics of high strength, high bearing capacity, good durability and reusability.

[0003] For related technologies, please refer to the Chinese Utility Model Patent with the authorized publication number CN213290781U, which discloses a prefabricated beam seat, comprising a sliding rail, a base is arranged at the top of the sliding rail, three rollers are fixedly installed at the bottom of the base, and the base and the sliding rail are connected through the rollers; a supporting surface is arranged at the top of the base, a sleeper is arranged at the top of the supporting surface, damping springs are arranged in the base and the supporting surface, and a jack is arranged in the base and the supporting surface.

[0004] The base is connected with the sliding rail through the rollers, which solves the problem of movement of the base, but the base cannot be limited, so that the stability of the base is poor. UTILITY MODEL CONTENT

[0005] The application provides a prefabricated beam seat, which can limit the base and improve the stability of the base, and adopts the following technical scheme:

[0006] The prefabricated beam seat comprises a sliding rail, a base, rollers, a supporting plate and a sleeper, sliding blocks are fixedly connected to the two sides of the base, two horizontal grooves are formed in the top of the sliding rail, and the two sliding blocks are respectively connected to the two horizontal grooves through sliding; an installation groove is formed in each sliding block, through holes are formed in the two sides of the installation groove, a abutting block is connected to each through hole through sliding, and the abutting block abuts against the side wall of the horizontal groove; a driving mechanism for driving the abutting block to move out of the through hole is installed in the installation groove, and a reset mechanism for driving the abutting block to reset into the through hole is installed at one end of the through hole.

[0007] Preferably, the driving mechanism comprises a driving block connected to the installation groove through vertical sliding, an inclined surface is arranged on the inner side of each abutting block and the driving block, and the two inclined surfaces are matched; a lead screw is rotatably connected to the installation groove, the driving block is threadedly connected to the lead screw, a guide assembly for guiding the driving block is installed in the installation groove, and a transmission assembly for driving the lead screw to rotate is installed on the side wall of the installation groove.

[0008] Preferably, the transmission assembly comprises a horizontal shaft rotatably connected to the side wall of the mounting groove, a first bevel gear fixed to one end of the horizontal shaft, and a hand wheel mounted to the other end of the horizontal shaft; the side wall of the lead screw is sleeved with a second bevel gear, and the first bevel gear is engaged with the second bevel gear.

[0009] Preferably, the guide assembly comprises a sleeve fixed to the top wall of the mounting groove and a guide rod slidably connected to the inner cavity of the sleeve in the vertical direction; one end of the guide rod away from the sleeve is fixed to the top of the driving block.

[0010] Preferably, the top of the driving block is fixed with a vertical rod, the top of the vertical rod is fixed with a reference rod, and the side wall of the mounting groove is provided with a strip-shaped hole for sliding the reference rod.

[0011] Preferably, the strip-shaped hole is fixed with a transparent plate at one end away from the vertical rod.

[0012] Preferably, the reset mechanism comprises a spring fixed to one end of the through hole and a reset block fixed to one end of the spring; the reset block is fixed to the bottom of the abutting block.

[0013] In summary, the present application has the following beneficial effects:

[0014] 1. When the base needs to be limited, first drive the abutting block against the side wall of the horizontal groove through the driving mechanism, so that the base can be limited; in summary, by adopting the above scheme, the base can be easily limited, thereby improving the stability of the base;

[0015] 2. When the abutting block needs to be driven to move out of the through hole, first drive the lead screw to rotate through the transmission assembly, and the lead screw drives the driving block to move downward, at this time the driving block can drive the abutting block to move out of the through hole under the action of the inclined surface; the driving mechanism is provided, which facilitates the movement of the abutting block out of the through hole;

[0016] 3. When the driving block is separated from the abutting block under the action of the lead screw, the reset block and the spring are provided, which facilitates the reset of the abutting block. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a schematic view of the overall structure of the embodiment of the present application;

[0018] Fig. 2 is a sectional view of the driving mechanism and the reset mechanism highlighted in the embodiment of the present application.

[0019] Explanation of reference signs: 1, sliding rail; 11, horizontal groove; 2, base; 21, roller; 3, sliding block; 31, mounting groove; 311, through hole; 312, strip hole; 313, transparent plate; 32, abutting block; 4, driving mechanism; 41, driving block; 42, inclined surface; 43, lead screw; 44, horizontal shaft; 45, first bevel gear; 46, hand wheel; 47, second bevel gear; 48, sleeve; 49, guide rod; 5, vertical rod; 51, reference rod; 6, reset mechanism; 61, spring; 62, reset block. DETAILED DESCRIPTION

[0020] The following description will be made in conjunction with the accompanying drawings. Figs. 1-2 The application is further described in detail.

[0021] Wherein the same parts are denoted by the same reference signs. It should be noted that the words "front", "back", "left", "right", "up", "down", "bottom surface" and "top surface" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0022] The application discloses a precast beam pedestal, comprising a sliding rail 1, a base 2, rollers 21, a support plate and a sleeper, two sides of the base 2 are respectively fixedly connected with sliding blocks 3, the top of the sliding rail 1 is provided with two horizontal grooves 11, and the two sliding blocks 3 are respectively connected to the two horizontal grooves 11 in transverse sliding mode; a mounting groove 31 is formed in each sliding block 3, through holes 311 are formed in the two sides of the mounting groove 31, an abutting block 32 is connected to each through hole 311 in longitudinal sliding mode, and the abutting block 32 abuts against the side wall of the horizontal groove 11; a driving mechanism 4 for driving the abutting block 32 to move out of the through hole 311 is mounted in the mounting groove 31, and a reset mechanism 6 for driving the abutting block 32 to reset into the through hole 311 is mounted at one end of the through hole 311. When the base 2 needs to be limited, the abutting block 32 is first made to abut against the side wall of the horizontal groove 11 through the driving mechanism 4, so that the base 2 can be limited; in summary, by adopting the above scheme, the base 2 can be easily limited, so that the stability of the base 2 can be improved.

[0023] The driving mechanism 4 comprises a driving block 41 slidably connected to the mounting groove 31 in the vertical direction, and each of the opposite inner sides of the driving block 41 is provided with a slope 42 matched with the other, and the mounting groove 31 is vertically rotatably connected with a lead screw 43 through a bearing, the driving block 41 is threadedly connected to the lead screw 43, and the mounting groove 31 is provided with a guide assembly for guiding the driving block 41, and the side wall of the mounting groove 31 is provided with a transmission assembly for driving the lead screw 43 to rotate. When the abutting block 32 needs to be driven to move out of the through hole 311, the lead screw 43 is first driven to rotate through the transmission assembly, the driving block 41 is driven to move downward by the rotation of the lead screw 43, and at this time, the driving block 41 can drive the abutting block 32 to move out of the through hole 311 under the action of the slope 42. The driving mechanism 4 is arranged to facilitate the movement of the abutting block 32 out of the through hole 311.

[0024] The transmission assembly comprises a horizontal shaft 44 rotatably connected to the side wall of the mounting groove 31 through a bearing, a first bevel gear 45 fixed to one end of the horizontal shaft 44, and a hand wheel 46 mounted to the other end of the horizontal shaft 44; the side wall of the lead screw 43 is provided with a second bevel gear 47, and the first bevel gear 45 is engaged with the second bevel gear 47. When the lead screw 43 needs to be driven to rotate, the horizontal shaft 44 is first driven to rotate through the hand wheel 46, the first bevel gear 45 is driven to rotate by the rotation of the horizontal shaft 44, the second bevel gear 47 is driven to rotate by the rotation of the first bevel gear 45, and the lead screw 43 is driven to rotate by the second bevel gear 47. In summary, the transmission assembly is arranged to facilitate the rotation of the lead screw 43.

[0025] The guide assembly comprises a sleeve 48 vertically fixed to the top wall of the mounting groove 31 and a guide rod 49 slidably connected to the inner cavity of the sleeve 48 in the vertical direction; one end of the guide rod 49 away from the sleeve 48 is fixed to the top of the driving block 41. The sleeve 48 and the guide rod 49 are arranged to guide the driving block 41.

[0026] The top of the driving block 41 is fixed with a vertical rod 5, the top of the vertical rod 5 is fixed with a reference rod 51, and the side wall of the mounting groove 31 is provided with a strip-shaped hole 312 for the reference rod 51 to slide in the vertical direction; the reference rod 51 is arranged to facilitate the observation of the position of the driving block 41. One end of the strip-shaped hole 312 away from the vertical rod 5 is fixed with a transparent plate 313, and the transparent plate 313 is arranged to reduce the entry of sundries into the mounting groove 31.

[0027] The reset mechanism 6 comprises a spring 61 horizontally fixed to one end of the through hole 311 and a reset block 62 fixed to one end of the spring 61; the reset block 62 is fixed to the bottom of the abutting block 32. When the driving block 41 is separated from the abutting block 32 under the action of the lead screw 43, the reset block 62 and the spring 61 are arranged to reset the abutting block 32.

[0028] Working principle: when the base 2 needs to be limited, first drive horizontal shaft 44 to rotate through hand wheel 46, horizontal shaft 44 drives first bevel gear 45 to rotate, first bevel gear 45 drives second bevel gear 47 to rotate, second bevel gear 47 drives lead screw 43 to rotate, lead screw 43 drives driving block 41 to move down, at this moment driving block 41 drives abutting block 32 to move out of the hole 311 under the action of inclined surface 42, abutting block 32 moves out of the hole 311 can make abutting block 32 abut to the side wall of horizontal groove 11, so as to limit the base 2; in summary, by adopting the above scheme, it is convenient to limit the base 2, so as to improve the stability of the base 2.

[0029] The above are preferred embodiments of the present application, not to limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A prefabricated beam pedestal, comprising a slide rail (1), a base (2), a roller (21), a support plate and a sleeper, characterized in that: Slide blocks (3) are fixedly connected to both sides of the base (2), two horizontal grooves (11) are provided on the top of the slide rail (1), and the two slide blocks (3) are slidably connected to the two horizontal grooves (11); a mounting groove (31) is provided in each slide block (3), and through holes (311) are provided on both sides of the mounting groove (31), and an abutment block (32) is slidably connected in each through hole (311), and the abutment block (32) abuts against the side wall of the horizontal groove (11); a driving mechanism (4) for driving the abutment block (32) to move out of the through hole (311) is installed in the mounting groove (31), and a reset mechanism (6) for driving the abutment block (32) to reset into the through hole (311) is installed at one end of the through hole (311).

2. The prefabricated beam pedestal according to claim 1, characterized in that: The driving mechanism (4) comprises a driving block (41) connected to the mounting groove (31) in a vertical sliding manner, and each of the abutting blocks (32) and the driving block (41) is provided with an inclined surface (42) on the inner side opposite to the driving block (41), and the two inclined surfaces (42) match each other; a lead screw (43) is rotatably connected in the mounting groove (31), the driving block (41) is threadedly connected to the lead screw (43), a guide assembly for guiding the driving block (41) is installed in the mounting groove (31), and a transmission assembly for driving the lead screw (43) to rotate is installed on the side wall of the mounting groove (31).

3. The prefabricated beam pedestal according to claim 2, characterized in that: The transmission assembly comprises a horizontal shaft (44) rotatably connected to the side wall of the mounting groove (31), a first bevel gear (45) fixed to one end of the horizontal shaft (44), and a hand wheel (46) mounted on the other end of the horizontal shaft (44); a second bevel gear (47) is sleeved and fixed on the side wall of the lead screw (43), and the first bevel gear (45) is meshed with the second bevel gear (47).

4. The prefabricated beam pedestal according to claim 2, characterized in that: The guide assembly comprises a sleeve (48) fixed to the top wall of the mounting groove (31) and a guide rod (49) vertically slidably connected to the inner cavity of the sleeve (48); one end of the guide rod (49) away from the sleeve (48) is fixed to the top of the driving block (41).

5. The prefabricated beam pedestal according to claim 2, characterized in that: The top of the driving block (41) is fixedly connected to a vertical rod (5), the top of the vertical rod (5) is fixedly connected to a reference rod (51), and the side wall of the mounting slot (31) is provided with a strip hole (312) for the reference rod (51) to slide.

6. The prefabricated beam pedestal according to claim 5, characterized in that: One end of the strip-shaped hole (312) away from the vertical rod (5) is fixedly connected to a transparent plate (313).

7. The prefabricated beam pedestal according to claim 1, characterized in that: The reset mechanism (6) comprises a spring (61) fixed to one end of the through hole (311) and a reset block (62) fixed to one end of the spring (61); the reset block (62) is fixed to the bottom of the abutment block (32).

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