Positioning device for bolt in anchor bolt hole of support padstone in railway engineering

Abstract

The utility model relates to a positioning device for a bolt in an anchor bolt hole of a railway engineering support padstone, which belongs to the technical field of support padstones and comprises a fixed seat, an adjusting rod, an embedded body and a locking piece, the number of the adjusting rods, the number of the embedded bodies and the number of the locking pieces are the same. One end of the adjusting rod is in threaded connection with the vertical side wall of the fixed seat, the other end of the adjusting rod is arranged in an overhanging mode in the direction away from the fixed seat, the embedded body is arranged on the adjusting rod in a sliding mode and slides in a reciprocating mode in the length direction of the adjusting rod, the embedded body is vertically arranged, and the locking piece is used for locking the position of the embedded body relative to the adjusting rod; and the adjacent adjusting rods are located on different vertical side walls of the fixed seat. The device has the effect of ensuring that the positions of the adjacent anchor bolt holes in the same cushion stone are accurate.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of support cushion stones, in particular to a positioning device for railway engineering support cushion stone anchor bolt holes. BACKGROUND

[0002] In railway engineering construction, the support cushion stone is an important component for connecting the upper structure and the lower structure of a bridge, and the construction quality of the support cushion stone directly relates to the stability and safety of the bridge. The accurate positioning of the anchor bolt holes of the support cushion stone is crucial, which directly affects the erection accuracy of the subsequent box girder and the stress performance of the entire bridge structure.

[0003] At present, in the conventional support cushion stone construction, PVC pipes are generally used to pre-bury the anchor bolt holes of the support cushion stone. The demand for anchor bolt holes on a support cushion stone is often multiple according to the construction requirements, and the adjacent anchor bolt holes are arranged at intervals according to the requirements. After pouring, the PVC pipes need to be pulled out, then the bolts are installed and the epoxy resin is poured, at this time, the epoxy resin needs to be effectively connected with the cushion stone concrete to form an integral whole, so as to ensure the firmness after the bolt installation.

[0004] During the concrete pouring process, the pre-buried PVC pipe will be subjected to strong impact of the poured concrete. Under the impact, the PVC pipe may be displaced, resulting in the defect that the positions of the adjacent anchor bolt holes on the same cushion stone are deviated. CONTENT OF THE INVENTION

[0005] In order to ensure the accuracy of the positions of the adjacent anchor bolt holes on the same cushion stone, the application provides a positioning device for railway engineering support cushion stone anchor bolt holes.

[0006] The positioning device for railway engineering support cushion stone anchor bolt holes provided by the application adopts the following technical scheme:

[0007] The positioning device for railway engineering support cushion stone anchor bolt holes comprises a fixing seat, an adjusting rod, a pre-burying body and a locking piece; the adjusting rod, the pre-burying body and the locking piece are arranged in the same number and are provided with multiple ones; one end of the adjusting rod is threadedly connected with the vertical side wall of the fixing seat, and the other end is arranged in a cantilever shape away from the fixing seat; the pre-burying body is slidably arranged on the adjusting rod and reciprocally slides along the length direction of the adjusting rod, and the pre-burying body is arranged in a vertical shape; the locking piece is used for locking the position of the pre-burying body relative to the adjusting rod; the adjacent adjusting rods are located on different vertical side walls of the fixing seat.

[0008] By adopting the technical scheme, the fixing base, the plurality of adjusting rods, the embedded body and the locking piece are arranged, the adjusting rods are threadedly connected with different vertical side walls of the fixing base, the embedded body can slide and be locked on the adjusting rod, the distance and the position between the embedded bodies can be flexibly adjusted according to actual requirements, the accuracy of the positions of the adjacent anchor bolt holes on the same pad stone is effectively ensured, and the problem that the box girder erection and the stress performance of the bridge structure are affected due to the position deviation of the adjacent anchor bolt holes is avoided.

[0009] Optionally, the embedded body has a top end diameter greater than a bottom end diameter and gradually reduces in diameter along a vertical direction.

[0010] By adopting the technical scheme, the embedded body has a top end diameter greater than a bottom end diameter and gradually reduces in diameter along a vertical direction, which can effectively reduce the impact force of the concrete on the embedded body during concrete pouring, and reduce the risk of displacement of the embedded body. At the same time, this shape facilitates the pulling out of the embedded body after pouring, reduces the damage to the surrounding concrete of the anchor bolt hole, further ensures the forming quality of the anchor bolt hole, and improves the stability of bolt installation.

[0011] Optionally, the fixing base is provided with a positioning rod at the bottom, the positioning rod is vertically arranged, the top end of the positioning rod is threadedly connected with the fixing base, and the distance from the bottom end of the positioning rod to the bottom of the fixing base is less than the distance from the bottom end of the embedded body to the bottom of the fixing base.

[0012] By adopting the technical scheme, the positioning rod arranged at the bottom of the fixing base can quickly determine the position of the fixing base during construction, and plays a role of accurate positioning. The distance from the bottom end of the positioning rod to the bottom of the fixing base is less than the distance from the bottom end of the embedded body to the bottom of the fixing base, which facilitates the observation and determination of the embedding depth of the embedded part by the construction personnel.

[0013] Optionally, a first through hole is formed in the embedded body, and the adjusting rod penetrates through the first through hole. A plurality of first through holes are formed in the embedded body, and adjacent first through holes are arranged at intervals along the vertical direction.

[0014] By adopting the technical scheme, a plurality of first through holes are formed in the embedded body and arranged at intervals along the vertical direction, and the adjusting rod penetrates through the first through hole, so that the embedded body has a plurality of fixable position options on the adjusting rod. The construction personnel can adjust the height of the embedded body on the adjusting rod according to different construction requirements, meet the construction requirements of anchor bolt holes of different depths, and greatly improve the universality and applicability of the positioning device.

[0015] Optionally, the locking piece comprises a bolt, the end portion of the bolt penetrates into the first through hole and abuts against the outer wall of the adjusting rod, and the bolt is threadedly connected with the embedded body.

[0016] By adopting the technical scheme, the locking member is a bolt, the end of the bolt penetrates into the first through hole and abuts against the outer wall of the adjusting rod and is threadedly connected with the embedded body, and the locking manner is simple and convenient to operate. By tightening or loosening the bolt, a construction worker can quickly lock or adjust the position of the embedded body relative to the adjusting rod, thereby ensuring the stability of the embedded body during the construction process and further ensuring the accuracy of the anchor hole position and improving the construction efficiency.

[0017] Optionally, the embedded body is provided with a cavity, the first through hole penetrates the cavity, the embedded body is provided with a second through hole in the horizontal direction, the second through hole is provided in a direction perpendicular to the first through hole and penetrates both sides of the cavity, the locking member comprises a clamping plate, a pressing strip, a spring and a screw, the clamping plate is located in the cavity and slides along the direction in which the second through hole is provided; one end of the pressing strip is fixedly connected with the clamping plate, and the other end penetrates the second through hole on one side of the clamping plate and is located outside the embedded body; the screw is provided with an extension rod, one end of the extension rod is slidably connected with the screw nut of the screw, the other end of the extension rod penetrates the second through hole on the side of the clamping plate away from the pressing strip and abuts against the clamping plate, the screw is threadedly connected with the outer wall of the embedded body and the screw nut of the screw covers the corresponding second through hole; the spring is sleeved on the extension rod, one end of the spring abuts against the clamping plate, and the other end is fixedly connected with the outer wall of the extension rod.

[0018] By adopting the technical scheme, the adjusting rod penetrates the first through hole, and the pushing force of the spring causes the clamping plate to press the adjusting rod in the cavity, thereby achieving the effect of locking the position of the embedded body on the adjusting rod. When it is necessary to cancel the locking, the pressing strip is pushed into the cavity, at this time, the spring is compressed, the clamping plate is separated from the outer wall of the adjusting rod in the cavity, and the embedded body can be moved on the adjusting rod. After the movement is completed, the pressing of the pressing strip is released. After long-term use, the spring ages and needs to be replaced. The screw is twisted to make the screw separate from the embedded body. At this time, the second through hole where the spring is located is exposed. With the removal of the screw, the extension rod and the spring are also removed, facilitating the replacement of the spring.

[0019] Optionally, the top of the fixing seat is fixed with a level.

[0020] By adopting the technical scheme, the level fixed on the top of the fixing seat can monitor the horizontal state of the fixing seat in real time. During the construction process, the construction worker can adjust the fixing seat in time according to the indication of the level, so as to ensure that the entire positioning device is in a horizontal state, avoid the deviation of the anchor hole position caused by the inclination of the fixing seat, thereby ensuring the accuracy of the adjacent anchor hole position and improving the construction quality of the support cushion stone.

[0021] Optionally, the embedded body is made of stainless steel.

[0022] By adopting the technical scheme, the embedded body is made of stainless steel material. The stainless steel has good corrosion resistance, can effectively resist the erosion of various chemical substances in the concrete during the concrete pouring and subsequent use process, and prolongs the service life of the embedded body. At the same time, the stainless steel material has high strength and is not easy to deform, ensuring the size accuracy and shape stability of the anchor hole, providing reliable guarantee for the installation of the bolt and the long-term stable operation of the bridge.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. Precise positioning and flexible adjustment: through the cooperative design of the fixed seat, the adjusting rod, the embedded body and the locking piece, the adjusting rod is threadedly connected with the different side walls of the fixed seat, and the embedded body is slidable and lockable. It not only can flexibly adjust the distance and position between adjacent embedded bodies, ensure the precise position of adjacent anchor holes on the same pad stone, avoid affecting the erection of the box girder and the stress of the bridge, but also can realize the height adjustment of the embedded body through the plurality of first through holes, meet the construction requirements of anchor holes with different depths, and improve the versatility of the positioning device.

[0025] 2. Convenient construction and quality improvement: the embedded body has a shape with a large top end and a small bottom end, which reduces the impact force and displacement risk during pouring, is easy to pull out without damaging the surrounding concrete of the anchor hole, ensures the forming quality and bolt installation stability; the positioning rod precisely positions the fixed seat, facilitating the determination of the embedded part depth; the bolt locking mode is simple to operate, can quickly lock or adjust the position of the embedded body, and improves the construction efficiency; the level instrument monitors the horizontal state of the fixed seat in real time, prevents the deviation of the anchor hole position, and improves the construction quality of the support pad stone;

[0026] 3. Durability and stability enhancement: the embedded body is made of stainless steel material, which is corrosion-resistant and has high strength, is not easy to be eroded and deformed in the concrete environment, ensures the size accuracy and shape stability of the anchor hole, prolongs the service life of the embedded body, and provides reliable guarantee for the bolt installation and long-term stable operation of the bridge; the special clamping plate and spring structure in the embedded body can effectively lock the position of the embedded body and facilitate the replacement of the aged spring, ensuring the long-term stable operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of the first locking piece adopted by the embodiment of the present application;

[0028] Figure 2 is a schematic diagram of the overall structure of the second locking piece adopted by the embodiment of the present application;

[0029] Figure 3 is a partial structure sectional view of the second locking piece.

[0030] In the figure, 1, fixed seat; 2, adjusting rod; 3, pre-embedded body; 31, first through hole; 32, second through hole; 33, cavity; 4, locking piece; 41, bolt; 42, clamping plate; 43, pressing strip; 44, spring; 45, screw; 5, positioning rod; 6, telescopic rod; 7, level. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The application is further described in detail.

[0032] The embodiment of the application discloses a positioning device for railway engineering support cushion stone anchor bolt hole bolts.

[0033] Reference Figure 1 A positioning device for railway engineering support cushion stone anchor bolt hole bolts comprises a fixed seat 1, an adjusting rod 2, a pre-embedded body 3 and a locking piece 4. A level 7 is arranged on the top of the fixed seat 1 and is firmly fixed thereon by means of bonding or the like. The level 7 plays a crucial role and can monitor the horizontal state of the fixed seat 1 in real time during the whole construction process. Construction personnel can timely adjust the position of the fixed seat 1 according to the indication of the level 7, so that the whole positioning device is kept in a horizontal state, deviation of the anchor bolt hole position caused by the inclination of the fixed seat 1 is avoided, the precision of the positions of adjacent anchor bolt holes is ensured, and the construction quality of the support cushion stone is effectively improved.

[0034] Reference Figure 1 A single adjusting rod 2, a pre-embedded body 3 and a locking piece 4 are arranged in a group and multiple groups are arranged. One end of the adjusting rod 2 is threadedly connected with the vertical side wall of the fixed seat 1, and the other end is arranged in a cantilever shape away from the fixed seat 1. Adjacent adjusting rods 2 are located on different side walls of the fixed seat 1. In the embodiment of the application, four adjusting rods 2 are correspondingly arranged and distributed on the four vertical side walls of the fixed seat 1, that is, the fixed seat 1 adopts a rectangular shape. The pre-embedded body 3 is vertically arranged and slidably arranged on the adjusting rod 2. The pre-embedded body 3 reciprocally slides along the length direction of the adjusting rod 2. The diameter of the top end of the pre-embedded body 3 is greater than that of the bottom end, and the diameter gradually decreases along the vertical direction. The bottom of the fixed seat 1 is provided with a positioning rod 5. The positioning rod 5 is vertically arranged and the top end is connected with the fixed seat 1 through threads. The distance from the bottom end of the positioning rod 5 to the bottom of the fixed seat 1 is less than the distance from the bottom end of the pre-embedded body 3 to the bottom of the fixed seat 1. The main function of the positioning rod 5 is to accurately position the fixed seat 1. Construction personnel can quickly place the fixed seat 1 to the accurate position according to the construction mark on the site. Meanwhile, the positioning rod 5 also provides a reference for the construction personnel to determine the embedding depth of the pre-embedded body, so that the construction personnel can control the embedding depth of the pre-embedded body 3 and ensure that the construction meets the design requirements.

[0035] Reference Figure 1The first through holes 31 are arranged in the vertical direction, and two first through holes 31 are arranged in the embodiment. The adjusting rod 2 penetrates the corresponding first through hole 31. The construction personnel can slide the embedded body 3 to the appropriate first through hole 31 according to different construction requirements, such as different anchor hole depth requirements, and then fix it through the locking piece 4. The embedded body 3 is made of stainless steel.

[0036] With reference to Figure 1 The locking piece 4 has two different forms to meet different use requirements. The first locking piece 4 includes a bolt 41, the end of the bolt 41 penetrates into the first through hole 31 and tightly abuts against the outer wall of the adjusting rod 2. The bolt 41 is connected with the embedded body 3 through threads, and this connection method is simple and convenient to operate. The construction personnel can easily tighten or loosen the bolt 41 using common tools such as a wrench. When it is necessary to fix the embedded body 3, the bolt 41 is tightened, so that the end tightly presses the outer wall of the adjusting rod 2, thereby locking the position of the embedded body 3; when it is necessary to adjust the position of the embedded body 3, the bolt 41 is loosened, and the embedded body 3 can slide on the adjusting rod 2. This locking method ensures the stability of the embedded body 3 during the construction process, thereby ensuring the accuracy of the anchor hole position and effectively improving the construction efficiency.

[0037] With reference to Figure 2 and Figure 3The second locking piece 4 comprises a clamping plate 42, a pressing strip 43, a spring 44 and a screw 45. The pre-embedded body 3 is provided with a cavity 33, and the first through hole 31 penetrates the cavity 33. The pre-embedded body 3 is provided with a second through hole 32 in a horizontal direction, and the second through hole 32 is perpendicular to the first through hole 31 and penetrates both sides of the cavity 33. The clamping plate 42 is located in the cavity 33 and is arranged in a sliding manner along the direction in which the second through hole 32 is arranged and is arranged in a sliding manner along the direction of approaching or moving away from the adjusting rod 2. One end of the pressing strip 43 is fixedly connected with the clamping plate 42, and the other end extends to the outside of the pre-embedded body 3 through the second through hole 32 on one side of the clamping plate 42. The screw 45 is provided with an extension rod 6, one end of the extension rod 6 is slidably connected with the screw cap of the screw 45, and the other end of the extension rod 6 abuts against the outer wall of the clamping plate 42 through the second through hole 32 on the side of the clamping plate 42 away from the pressing strip 43. During rotation of the screw 45, the position of the extension rod 6 in the second through hole 32 remains unchanged, that is, the connection position of the extension rod 6 and the screw cap of the screw 45 slides relative to the screw cap. The screw 45 is threadedly connected with the outer wall of the pre-embedded body 3, and the screw cap of the screw 45 covers the second through hole 32, thereby protecting and fixing the internal structure. The spring 44 is sleeved on the extension rod 6, one end of the spring 44 abuts against the clamping plate 42, and the other end of the spring 44 is fixedly connected with the outer wall of the extension rod 6. In normal use, the pushing force of the spring 44 causes the clamping plate 42 to press the adjusting rod 2 located in the cavity 33, thereby achieving the locking of the position of the pre-embedded body 3 on the adjusting rod 2. When it is necessary to adjust the position of the pre-embedded body 3, the construction personnel push the pressing strip 43 into the cavity 33, at this time, the spring 44 is compressed, the clamping plate 42 is separated from the outer wall of the adjusting rod 2, and the construction personnel can move the pre-embedded body 3 on the adjusting rod 2. After being moved to a suitable position, the pressing strip 43 is loosened, the spring 44 returns to the original state, the clamping plate 42 is pushed again to press the adjusting rod 2, and the position of the pre-embedded body 3 is locked again. When the spring 44 needs to be replaced due to aging after long-term use, the construction personnel only need to rotate the screw 45 to make the screw 45 separate from the pre-embedded body 3, at this time, the second through hole 32 in which the spring 44 is located is exposed, and with the screw 45 being removed, the extension rod 6 and the spring 44 can also be removed and replaced, thereby ensuring that the device can work stably for a long time.

[0038] The implementation principle of the positioning device for the bolt of the railway engineering support padstone anchor bolt hole is that the pre-embedded body 3 can slide and be locked on the adjusting rod 2 by adjusting the posture of the locking piece 4, so that the construction personnel can flexibly adjust the distance and position between the pre-embedded bodies 3 according to actual needs, effectively ensure the accuracy of the positions of the adjacent anchor bolt holes on the same padstone, and avoid the problem that the box girder erection and the stress performance of the bridge structure are affected due to the position deviation of the adjacent anchor bolt holes.

[0039] The embodiments of the specific implementation mode are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A positioning device for railway engineering abutment footing anchor bolt hole bolts, characterized in that: Including fixed seat (1), adjusting rod (2), pre-embedded body (3) and locking piece (4), adjusting rod (2), pre-embedded body (3) and locking piece (4) are set same number and are provided with multiple, one end of adjusting rod (2) is connected with the vertical side wall of fixed seat (1) in screw thread, the other end is set in cantilever shape along the direction away from fixed seat (1), pre-embedded body (3) is slidably arranged on adjusting rod (2) and reciprocatingly slides along the length direction of adjusting rod (2), pre-embedded body (3) is set in vertical shape, locking piece (4) is used for locking the position of pre-embedded body (3) relative to adjusting rod (2), adjacent adjusting rod (2) is located on the different vertical side walls of fixed seat (1).

2. A positioning device for railway engineering support pad stone anchor bolt hole bolts according to claim 1, characterized in that: The diameter of the top end of the pre-embedded body (3) is greater than the diameter of the bottom end, and the diameter gradually decreases along the vertical direction.

3. A positioning device for railway engineering support abutment anchor bolt hole bolts according to claim 1, characterized in that: The bottom of the fixed seat (1) is provided with a positioning rod (5), the positioning rod (5) is vertically arranged, and the top end of the positioning rod (5) is threadedly connected with the fixed seat (1); the distance from the bottom end of the positioning rod (5) to the bottom of the fixed seat (1) is less than the distance from the bottom end of the pre-embedded body (3) to the bottom of the fixed seat (1).

4. A positioning device for railway engineering support abutment anchor bolt hole bolts according to claim 1, characterized in that: A first through hole (31) is formed in the pre-embedded body (3), and the adjusting rod (2) penetrates the first through hole (31); a plurality of first through holes (31) are formed, and adjacent first through holes (31) are arranged at intervals along the vertical direction.

5. A positioning device for railway engineering support pad stone anchor bolt hole bolts according to claim 4, characterized in that: The locking piece (4) includes a bolt (41), the end of the bolt (41) penetrates into the first through hole (31) and abuts against the outer wall of the adjusting rod (2), and the bolt (41) is threadedly connected with the pre-embedded body (3).

6. A positioning device for railway engineering support pad stone anchor bolt hole bolts according to claim 4, characterized in that: A cavity (33) is formed in the pre-embedded body (3), the first through hole (31) penetrates the cavity (33), a second through hole (32) is formed in the pre-embedded body (3) along the horizontal direction, the second through hole (32) is formed in a direction perpendicular to the first through hole (31) and penetrates both sides of the cavity (33), the locking piece (4) includes a clamping plate (42), a pressing strip (43), a spring (44) and a screw (45), the clamping plate (42) is located in the cavity (33) and slides along the direction in which the second through hole (32) is formed; one end of the pressing strip (43) is fixedly connected with the clamping plate (42), and the other end penetrates the second through hole (32) on one side of the clamping plate (42) and is located outside the pre-embedded body (3); a telescopic rod (6) is arranged on the screw (45), one end of the telescopic rod (6) is slidably connected with the nut of the screw (45), the other end of the telescopic rod (6) penetrates the second through hole (32) on the side of the clamping plate (42) away from the pressing strip (43) and abuts against the clamping plate (42), the screw (45) is threadedly connected with the outer wall of the pre-embedded body (3) and the nut of the screw (45) covers the corresponding second through hole (32); the spring (44) is sleeved on the telescopic rod (6), one end of the spring (44) abuts against the clamping plate (42), and the other end is fixedly connected with the outer wall of the telescopic rod (6).

7. A positioning device for railway engineering support abutment anchor bolt hole bolts as defined in claim 1, wherein: A level (7) is fixed to the top of the fixed seat (1).

8. A positioning device for railway engineering support abutment anchor bolt hole bolts according to claim 1, characterized in that: The pre-embedded body (3) is made of stainless steel.

Images